/* X Communication module for terminals which understand the X protocol.
- Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001, 2002
+ Copyright (C) 1989, 93, 94, 95, 96, 97, 98, 1999, 2000, 01, 02, 2003
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#define abs(x) ((x) < 0 ? -(x) : (x))
-#define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER))
-
\f
-/* Fringe bitmaps. */
-
-enum fringe_bitmap_type
-{
- NO_FRINGE_BITMAP,
- LEFT_TRUNCATION_BITMAP,
- RIGHT_TRUNCATION_BITMAP,
- OVERLAY_ARROW_BITMAP,
- CONTINUED_LINE_BITMAP,
- CONTINUATION_LINE_BITMAP,
- ZV_LINE_BITMAP
-};
-
-/* Bitmap drawn to indicate lines not displaying text if
- `indicate-empty-lines' is non-nil. */
-
-#define zv_width 8
-#define zv_height 72
-#define zv_period 3
-static unsigned char zv_bits[] = {
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
- 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00};
-
-/* An arrow like this: `<-'. */
-
-#define left_width 8
-#define left_height 8
-static unsigned char left_bits[] = {
- 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18};
-
-/* Right truncation arrow bitmap `->'. */
-
-#define right_width 8
-#define right_height 8
-static unsigned char right_bits[] = {
- 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18};
-
-/* Marker for continued lines. */
-
-#define continued_width 8
-#define continued_height 8
-static unsigned char continued_bits[] = {
- 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c};
-
-/* Marker for continuation lines. */
-
-#define continuation_width 8
-#define continuation_height 8
-static unsigned char continuation_bits[] = {
- 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e};
-
-/* Overlay arrow bitmap. */
-
-#if 0
-/* A bomb. */
-#define ov_width 8
-#define ov_height 8
-static unsigned char ov_bits[] = {
- 0x30, 0x08, 0x3c, 0x7e, 0x7a, 0x7a, 0x62, 0x3c};
-#else
-/* A triangular arrow. */
-#define ov_width 8
-#define ov_height 8
-static unsigned char ov_bits[] = {
- 0x03, 0x0f, 0x1f, 0x3f, 0x3f, 0x1f, 0x0f, 0x03};
-
-#endif
-extern Lisp_Object Qhelp_echo;
-
-\f
/* Non-nil means Emacs uses toolkit scroll bars. */
Lisp_Object Vx_toolkit_scroll_bars;
-/* If a string, XTread_socket generates an event to display that string.
- (The display is done in read_char.) */
-
-static Lisp_Object help_echo;
-static Lisp_Object help_echo_window;
-static Lisp_Object help_echo_object;
-static int help_echo_pos;
-
-/* Temporary variable for XTread_socket. */
-
-static Lisp_Object previous_help_echo;
-
/* Non-zero means that a HELP_EVENT has been generated since Emacs
start. */
static int any_help_event_p;
-/* Non-zero means autoselect window with the mouse cursor. */
-
-int mouse_autoselect_window;
-
/* Last window where we saw the mouse. Used by mouse-autoselect-window. */
static Lisp_Object last_window;
-/* Non-zero means draw block and hollow cursor as wide as the glyph
- under it. For example, if a block cursor is over a tab, it will be
- drawn as wide as that tab on the display. */
-
-int x_stretch_cursor_p;
-
/* Non-zero means make use of UNDERLINE_POSITION font properties. */
int x_use_underline_position_properties;
static String Xt_default_resources[] = {0};
#endif /* USE_X_TOOLKIT */
-/* Nominal cursor position -- where to draw output.
- HPOS and VPOS are window relative glyph matrix coordinates.
- X and Y are window relative pixel coordinates. */
-
-struct cursor_pos output_cursor;
-
/* Non-zero means user is interacting with a toolkit scroll bar. */
static int toolkit_scroll_bar_interaction;
/* Where the mouse was last time we reported a mouse event. */
-FRAME_PTR last_mouse_frame;
static XRectangle last_mouse_glyph;
static Lisp_Object last_mouse_press_frame;
static Lisp_Object Qlatin_1, Qutf_8;
extern XrmDatabase x_load_resources P_ ((Display *, char *, char *, char *));
-extern Lisp_Object x_icon_type P_ ((struct frame *));
-/* Enumeration for overriding/changing the face to use for drawing
- glyphs in x_draw_glyphs. */
-
-enum draw_glyphs_face
-{
- DRAW_NORMAL_TEXT,
- DRAW_INVERSE_VIDEO,
- DRAW_CURSOR,
- DRAW_MOUSE_FACE,
- DRAW_IMAGE_RAISED,
- DRAW_IMAGE_SUNKEN
-};
-
-static int cursor_in_mouse_face_p P_ ((struct window *));
-static int clear_mouse_face P_ ((struct x_display_info *));
static int x_alloc_nearest_color_1 P_ ((Display *, Colormap, XColor *));
static void x_set_window_size_1 P_ ((struct frame *, int, int, int));
static const XColor *x_color_cells P_ ((Display *, int *));
static void x_update_window_end P_ ((struct window *, int, int));
-static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *));
void x_delete_display P_ ((struct x_display_info *));
static unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *,
unsigned));
-static int fast_find_position P_ ((struct window *, int, int *, int *,
- int *, int *, Lisp_Object));
-static int fast_find_string_pos P_ ((struct window *, int, Lisp_Object,
- int *, int *, int *, int *, int));
-static void set_output_cursor P_ ((struct cursor_pos *));
-static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int,
- int *, int *, int *, int));
-static void note_mode_line_or_margin_highlight P_ ((struct window *, int,
- int, int));
-static void note_mouse_highlight P_ ((struct frame *, int, int));
-static void note_tool_bar_highlight P_ ((struct frame *f, int, int));
-static void x_handle_tool_bar_click P_ ((struct frame *, XButtonEvent *));
-static void show_mouse_face P_ ((struct x_display_info *,
- enum draw_glyphs_face));
static int x_io_error_quitter P_ ((Display *));
int x_catch_errors P_ ((Display *));
void x_uncatch_errors P_ ((Display *, int));
void x_initialize P_ ((void));
static void x_font_min_bounds P_ ((XFontStruct *, int *, int *));
static int x_compute_min_glyph_bounds P_ ((struct frame *));
-static void x_draw_phys_cursor_glyph P_ ((struct window *,
- struct glyph_row *,
- enum draw_glyphs_face));
static void x_update_end P_ ((struct frame *));
static void XTframe_up_to_date P_ ((struct frame *));
static void XTset_terminal_modes P_ ((void));
static void XTreset_terminal_modes P_ ((void));
-static void XTcursor_to P_ ((int, int, int, int));
-static void x_write_glyphs P_ ((struct glyph *, int));
-static void x_clear_end_of_line P_ ((int));
static void x_clear_frame P_ ((void));
-static void x_clear_cursor P_ ((struct window *));
static void frame_highlight P_ ((struct frame *));
static void frame_unhighlight P_ ((struct frame *));
static void x_new_focus_frame P_ ((struct x_display_info *, struct frame *));
static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *));
static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int,
enum text_cursor_kinds));
-static int x_intersect_rectangles P_ ((XRectangle *, XRectangle *,
- XRectangle *));
-static void expose_frame P_ ((struct frame *, int, int, int, int));
-static int expose_window_tree P_ ((struct window *, XRectangle *));
-static void expose_overlaps P_ ((struct window *, struct glyph_row *,
- struct glyph_row *));
-static int expose_window P_ ((struct window *, XRectangle *));
-static void expose_area P_ ((struct window *, struct glyph_row *,
- XRectangle *, enum glyph_row_area));
-static int expose_line P_ ((struct window *, struct glyph_row *,
- XRectangle *));
-static void x_update_cursor_in_window_tree P_ ((struct window *, int));
-static void x_update_window_cursor P_ ((struct window *, int));
-static void x_erase_phys_cursor P_ ((struct window *));
-void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int));
-static void x_draw_fringe_bitmap P_ ((struct window *, struct glyph_row *,
- enum fringe_bitmap_type, int left_p));
static void x_clip_to_row P_ ((struct window *, struct glyph_row *,
GC, int));
-static int x_phys_cursor_in_rect_p P_ ((struct window *, XRectangle *));
-static void x_draw_row_fringe_bitmaps P_ ((struct window *, struct glyph_row *));
-static void notice_overwritten_cursor P_ ((struct window *, enum glyph_row_area,
- int, int, int, int));
static void x_flush P_ ((struct frame *f));
static void x_update_begin P_ ((struct frame *));
static void x_update_window_begin P_ ((struct window *));
-static void x_draw_vertical_border P_ ((struct window *));
static void x_after_update_window_line P_ ((struct glyph_row *));
-static INLINE void take_vertical_position_into_account P_ ((struct it *));
-static void x_produce_stretch_glyph P_ ((struct it *));
static struct scroll_bar *x_window_to_scroll_bar P_ ((Window));
static void x_scroll_bar_report_motion P_ ((struct frame **, Lisp_Object *,
enum scroll_bar_part *,
}
-/* Draw a vertical window border to the right of window W if W doesn't
- have vertical scroll bars. */
+/* Draw a vertical window border from (x,y0) to (x,y1) */
static void
-x_draw_vertical_border (w)
+x_draw_vertical_window_border (w, x, y0, y1)
struct window *w;
+ int x, y0, y1;
{
struct frame *f = XFRAME (WINDOW_FRAME (w));
-
- /* Redraw borders between horizontally adjacent windows. Don't
- do it for frames with vertical scroll bars because either the
- right scroll bar of a window, or the left scroll bar of its
- neighbor will suffice as a border. */
- if (!WINDOW_RIGHTMOST_P (w)
- && !FRAME_HAS_VERTICAL_SCROLL_BARS (f))
- {
- int x0, x1, y0, y1;
-
- window_box_edges (w, -1, &x0, &y0, &x1, &y1);
- x1 += FRAME_X_RIGHT_FRINGE_WIDTH (f);
- y1 -= 1;
-
- XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->normal_gc, x1, y0, x1, y1);
- }
+
+ XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ f->output_data.x->normal_gc, x, y0, x, y1);
}
-
/* End update of window W (which is equal to updated_window).
Draw vertical borders between horizontally adjacent windows, and
BLOCK_INPUT;
if (cursor_on_p)
- x_display_and_set_cursor (w, 1, output_cursor.hpos,
- output_cursor.vpos,
- output_cursor.x, output_cursor.y);
+ display_and_set_cursor (w, 1, output_cursor.hpos,
+ output_cursor.vpos,
+ output_cursor.x, output_cursor.y);
x_draw_vertical_border (w);
UNBLOCK_INPUT;
/* Mouse highlight may be displayed again. */
FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0;
+#ifndef XFlush
BLOCK_INPUT;
XFlush (FRAME_X_DISPLAY (f));
UNBLOCK_INPUT;
+#endif
}
if (!desired_row->mode_line_p && !w->pseudo_window_p)
{
BLOCK_INPUT;
- x_draw_row_fringe_bitmaps (w, desired_row);
+ draw_row_fringe_bitmaps (w, desired_row);
UNBLOCK_INPUT;
}
}
}
-
-/* Draw the bitmap WHICH in one of the left or right fringes of
- window W. ROW is the glyph row for which to display the bitmap; it
- determines the vertical position at which the bitmap has to be
- drawn. */
-
static void
-x_draw_fringe_bitmap (w, row, which, left_p)
+x_draw_fringe_bitmap (w, row, p)
struct window *w;
struct glyph_row *row;
- enum fringe_bitmap_type which;
- int left_p;
+ struct draw_fringe_bitmap_params *p;
{
struct frame *f = XFRAME (WINDOW_FRAME (w));
Display *display = FRAME_X_DISPLAY (f);
Window window = FRAME_X_WINDOW (f);
- int x, y, wd, h, dy;
- int b1, b2;
- unsigned char *bits = NULL;
- Pixmap pixmap;
GC gc = f->output_data.x->normal_gc;
- struct face *face;
- int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
+ struct face *face = p->face;
/* Must clip because of partially visible lines. */
x_clip_to_row (w, row, gc, 1);
- /* Convert row to frame coordinates. */
- y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y);
-
- switch (which)
- {
- case NO_FRINGE_BITMAP:
- wd = 0;
- h = 0;
- break;
-
- case LEFT_TRUNCATION_BITMAP:
- wd = left_width;
- h = left_height;
- bits = left_bits;
- break;
-
- case OVERLAY_ARROW_BITMAP:
- wd = ov_width;
- h = ov_height;
- bits = ov_bits;
- break;
-
- case RIGHT_TRUNCATION_BITMAP:
- wd = right_width;
- h = right_height;
- bits = right_bits;
- break;
-
- case CONTINUED_LINE_BITMAP:
- wd = continued_width;
- h = continued_height;
- bits = continued_bits;
- break;
-
- case CONTINUATION_LINE_BITMAP:
- wd = continuation_width;
- h = continuation_height;
- bits = continuation_bits;
- break;
-
- case ZV_LINE_BITMAP:
- wd = zv_width;
- h = zv_height - (y % zv_period);
- bits = zv_bits + (y % zv_period);
- break;
-
- default:
- abort ();
- }
-
- /* Clip bitmap if too high. */
- if (h > row->height)
- h = row->height;
-
- /* Set dy to the offset in the row to start drawing the bitmap. */
- dy = (row->height - h) / 2;
-
- face = FACE_FROM_ID (f, FRINGE_FACE_ID);
- PREPARE_FACE_FOR_DISPLAY (f, face);
-
- /* Clear left fringe if no bitmap to draw or if bitmap doesn't fill
- the fringe. */
- b1 = b2 = -1;
- if (left_p)
- {
- if (wd > FRAME_X_LEFT_FRINGE_WIDTH (f))
- wd = FRAME_X_LEFT_FRINGE_WIDTH (f);
- x = (WINDOW_TO_FRAME_PIXEL_X (w, 0)
- - wd
- - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2);
- if (wd < FRAME_X_LEFT_FRINGE_WIDTH (f) || row->height > h)
- {
- /* If W has a vertical border to its left, don't draw over it. */
- int border = ((XFASTINT (w->left) > 0
- && !FRAME_HAS_VERTICAL_SCROLL_BARS (f))
- ? 1 : 0);
- b1 = (window_box_left (w, -1)
- - FRAME_X_LEFT_FRINGE_WIDTH (f)
- + border);
- b2 = (FRAME_X_LEFT_FRINGE_WIDTH (f) - border);
- }
- }
- else
- {
- if (wd > FRAME_X_RIGHT_FRINGE_WIDTH (f))
- wd = FRAME_X_RIGHT_FRINGE_WIDTH (f);
- x = (window_box_right (w, -1)
- + (FRAME_X_RIGHT_FRINGE_WIDTH (f) - wd) / 2);
- /* Clear right fringe if no bitmap to draw of if bitmap doesn't fill
- the fringe. */
- if (wd < FRAME_X_RIGHT_FRINGE_WIDTH (f) || row->height > h)
- {
- b1 = window_box_right (w, -1);
- b2 = FRAME_X_RIGHT_FRINGE_WIDTH (f);
- }
- }
-
- if (b1 >= 0)
+ if (p->bx >= 0)
{
- int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w);
-
/* In case the same realized face is used for fringes and
for something displayed in the text (e.g. face `region' on
mono-displays, the fill style may have been changed to
XSetForeground (display, face->gc, face->background);
XFillRectangle (display, window, face->gc,
- b1,
- WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height,
- row->y)),
- b2,
- row->visible_height);
+ p->bx, p->by, p->nx, p->ny);
+
if (!face->stipple)
XSetForeground (display, face->gc, face->foreground);
}
- if (which != NO_FRINGE_BITMAP)
+ if (p->which != NO_FRINGE_BITMAP)
{
+ unsigned char *bits = fringe_bitmaps[p->which].bits + p->dh;
+ Pixmap pixmap;
+ int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
+
/* Draw the bitmap. I believe these small pixmaps can be cached
by the server. */
- pixmap = XCreatePixmapFromBitmapData (display, window, bits, wd, h,
+ pixmap = XCreatePixmapFromBitmapData (display, window, bits, p->wd, p->h,
face->foreground,
face->background, depth);
- XCopyArea (display, pixmap, window, gc, 0, 0, wd, h, x, y + dy);
+ XCopyArea (display, pixmap, window, gc, 0, 0,
+ p->wd, p->h, p->x, p->y);
XFreePixmap (display, pixmap);
}
XSetClipMask (display, gc, None);
}
-
-/* Draw fringe bitmaps for glyph row ROW on window W. Call this
- function with input blocked. */
-
-static void
-x_draw_row_fringe_bitmaps (w, row)
- struct window *w;
- struct glyph_row *row;
-{
- struct frame *f = XFRAME (w->frame);
- enum fringe_bitmap_type bitmap;
-
- xassert (interrupt_input_blocked);
-
- /* If row is completely invisible, because of vscrolling, we
- don't have to draw anything. */
- if (row->visible_height <= 0)
- return;
-
- if (FRAME_X_LEFT_FRINGE_WIDTH (f) != 0)
- {
- /* Decide which bitmap to draw in the left fringe. */
- if (row->overlay_arrow_p)
- bitmap = OVERLAY_ARROW_BITMAP;
- else if (row->truncated_on_left_p)
- bitmap = LEFT_TRUNCATION_BITMAP;
- else if (MATRIX_ROW_CONTINUATION_LINE_P (row))
- bitmap = CONTINUATION_LINE_BITMAP;
- else if (row->indicate_empty_line_p)
- bitmap = ZV_LINE_BITMAP;
- else
- bitmap = NO_FRINGE_BITMAP;
-
- x_draw_fringe_bitmap (w, row, bitmap, 1);
- }
-
- if (FRAME_X_RIGHT_FRINGE_WIDTH (f) != 0)
- {
- /* Decide which bitmap to draw in the right fringe. */
- if (row->truncated_on_right_p)
- bitmap = RIGHT_TRUNCATION_BITMAP;
- else if (row->continued_p)
- bitmap = CONTINUED_LINE_BITMAP;
- else if (row->indicate_empty_line_p && FRAME_X_LEFT_FRINGE_WIDTH (f) == 0)
- bitmap = ZV_LINE_BITMAP;
- else
- bitmap = NO_FRINGE_BITMAP;
-
- x_draw_fringe_bitmap (w, row, bitmap, 0);
- }
-}
-
\f
/* This is called when starting Emacs and when restarting after
}
-\f
-/***********************************************************************
- Output Cursor
- ***********************************************************************/
-
-/* Set the global variable output_cursor to CURSOR. All cursor
- positions are relative to updated_window. */
-
-static void
-set_output_cursor (cursor)
- struct cursor_pos *cursor;
-{
- output_cursor.hpos = cursor->hpos;
- output_cursor.vpos = cursor->vpos;
- output_cursor.x = cursor->x;
- output_cursor.y = cursor->y;
-}
-
-
-/* Set a nominal cursor position.
-
- HPOS and VPOS are column/row positions in a window glyph matrix. X
- and Y are window text area relative pixel positions.
-
- If this is done during an update, updated_window will contain the
- window that is being updated and the position is the future output
- cursor position for that window. If updated_window is null, use
- selected_window and display the cursor at the given position. */
-
-static void
-XTcursor_to (vpos, hpos, y, x)
- int vpos, hpos, y, x;
-{
- struct window *w;
-
- /* If updated_window is not set, work on selected_window. */
- if (updated_window)
- w = updated_window;
- else
- w = XWINDOW (selected_window);
-
- /* Set the output cursor. */
- output_cursor.hpos = hpos;
- output_cursor.vpos = vpos;
- output_cursor.x = x;
- output_cursor.y = y;
-
- /* If not called as part of an update, really display the cursor.
- This will also set the cursor position of W. */
- if (updated_window == NULL)
- {
- BLOCK_INPUT;
- x_display_cursor (w, 1, hpos, vpos, x, y);
- XFlush (FRAME_X_DISPLAY (SELECTED_FRAME ()));
- UNBLOCK_INPUT;
- }
-}
-
-
\f
/***********************************************************************
Display Iterator
/* Function prototypes of this page. */
-static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *,
- struct glyph *,
- XChar2b *,
- int *));
-static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int,
- int, XChar2b *, int,
- int));
-static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *));
-static void x_encode_char P_ ((int, XChar2b *, struct font_info *));
-static void x_append_glyph P_ ((struct it *));
-static void x_append_composite_glyph P_ ((struct it *));
-static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object,
- int, int, double));
-static void x_produce_glyphs P_ ((struct it *));
-static void x_produce_image_glyph P_ ((struct it *it));
+static int x_encode_char P_ ((int, XChar2b *, struct font_info *, int *));
/* Get metrics of character CHAR2B in FONT. Value is null if CHAR2B
is not contained in the font. */
-static INLINE XCharStruct *
-x_per_char_metric (font, char2b)
+static XCharStruct *
+x_per_char_metric (font, char2b, font_type)
XFontStruct *font;
XChar2b *char2b;
+ int font_type; /* unused on X */
{
/* The result metric information. */
XCharStruct *pcm = NULL;
/* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
the two-byte form of C. Encoding is returned in *CHAR2B. */
-static INLINE void
-x_encode_char (c, char2b, font_info)
+static int
+x_encode_char (c, char2b, font_info, two_byte_p)
int c;
XChar2b *char2b;
struct font_info *font_info;
+ int *two_byte_p;
{
int charset = CHAR_CHARSET (c);
XFontStruct *font = font_info->font;
if (enc == 1 || enc == 3)
char2b->byte2 |= 0x80;
}
-}
+ if (two_byte_p)
+ *two_byte_p = ((XFontStruct *) (font_info->font))->max_byte1 > 0;
-/* Get face and two-byte form of character C in face FACE_ID on frame
- F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero
- means we want to display multibyte text. DISPLAY_P non-zero means
- make sure that X resources for the face returned are allocated.
- Value is a pointer to a realized face that is ready for display if
- DISPLAY_P is non-zero. */
+ return FONT_TYPE_UNKNOWN;
+}
-static INLINE struct face *
-x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p, display_p)
- struct frame *f;
- int c, face_id;
- XChar2b *char2b;
- int multibyte_p, display_p;
-{
- struct face *face = FACE_FROM_ID (f, face_id);
- if (!multibyte_p)
- {
- /* Unibyte case. We don't have to encode, but we have to make
- sure to use a face suitable for unibyte. */
- char2b->byte1 = 0;
- char2b->byte2 = c;
- face_id = FACE_FOR_CHAR (f, face, c);
- face = FACE_FROM_ID (f, face_id);
- }
- else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL)
- {
- /* Case of ASCII in a face known to fit ASCII. */
- char2b->byte1 = 0;
- char2b->byte2 = c;
- }
- else
- {
- int c1, c2, charset;
+\f
+/***********************************************************************
+ Glyph display
+ ***********************************************************************/
- /* Split characters into bytes. If c2 is -1 afterwards, C is
- really a one-byte character so that byte1 is zero. */
- SPLIT_CHAR (c, charset, c1, c2);
- if (c2 > 0)
- char2b->byte1 = c1, char2b->byte2 = c2;
- else
- char2b->byte1 = 0, char2b->byte2 = c1;
- /* Maybe encode the character in *CHAR2B. */
- if (face->font != NULL)
- {
- struct font_info *font_info
- = FONT_INFO_FROM_ID (f, face->font_info_id);
- if (font_info)
- x_encode_char (c, char2b, font_info);
- }
- }
- /* Make sure X resources of the face are allocated. */
- if (display_p)
- {
- xassert (face != NULL);
- PREPARE_FACE_FOR_DISPLAY (f, face);
- }
+static void x_set_glyph_string_clipping P_ ((struct glyph_string *));
+static void x_set_glyph_string_gc P_ ((struct glyph_string *));
+static void x_draw_glyph_string_background P_ ((struct glyph_string *,
+ int));
+static void x_draw_glyph_string_foreground P_ ((struct glyph_string *));
+static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *));
+static void x_draw_glyph_string_box P_ ((struct glyph_string *));
+static void x_draw_glyph_string P_ ((struct glyph_string *));
+static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *));
+static void x_set_cursor_gc P_ ((struct glyph_string *));
+static void x_set_mode_line_face_gc P_ ((struct glyph_string *));
+static void x_set_mouse_face_gc P_ ((struct glyph_string *));
+static int x_alloc_lighter_color P_ ((struct frame *, Display *, Colormap,
+ unsigned long *, double, int));
+static void x_setup_relief_color P_ ((struct frame *, struct relief *,
+ double, int, unsigned long));
+static void x_setup_relief_colors P_ ((struct glyph_string *));
+static void x_draw_image_glyph_string P_ ((struct glyph_string *));
+static void x_draw_image_relief P_ ((struct glyph_string *));
+static void x_draw_image_foreground P_ ((struct glyph_string *));
+static void x_draw_image_foreground_1 P_ ((struct glyph_string *, Pixmap));
+static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int,
+ int, int, int));
+static void x_draw_relief_rect P_ ((struct frame *, int, int, int, int,
+ int, int, int, int, XRectangle *));
+static void x_draw_box_rect P_ ((struct glyph_string *, int, int, int, int,
+ int, int, int, XRectangle *));
- return face;
-}
+#if GLYPH_DEBUG
+static void x_check_font P_ ((struct frame *, XFontStruct *));
+#endif
-/* Get face and two-byte form of character glyph GLYPH on frame F.
- The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is
- a pointer to a realized face that is ready for display. */
+/* Set S->gc to a suitable GC for drawing glyph string S in cursor
+ face. */
-static INLINE struct face *
-x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p)
- struct frame *f;
- struct glyph *glyph;
- XChar2b *char2b;
- int *two_byte_p;
+static void
+x_set_cursor_gc (s)
+ struct glyph_string *s;
{
- struct face *face;
-
- xassert (glyph->type == CHAR_GLYPH);
- face = FACE_FROM_ID (f, glyph->face_id);
-
- if (two_byte_p)
- *two_byte_p = 0;
-
- if (!glyph->multibyte_p)
- {
- /* Unibyte case. We don't have to encode, but we have to make
- sure to use a face suitable for unibyte. */
- char2b->byte1 = 0;
- char2b->byte2 = glyph->u.ch;
- }
- else if (glyph->u.ch < 128
- && glyph->face_id < BASIC_FACE_ID_SENTINEL)
- {
- /* Case of ASCII in a face known to fit ASCII. */
- char2b->byte1 = 0;
- char2b->byte2 = glyph->u.ch;
- }
+ if (s->font == FRAME_FONT (s->f)
+ && s->face->background == FRAME_BACKGROUND_PIXEL (s->f)
+ && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f)
+ && !s->cmp)
+ s->gc = s->f->output_data.x->cursor_gc;
else
{
- int c1, c2, charset;
+ /* Cursor on non-default face: must merge. */
+ XGCValues xgcv;
+ unsigned long mask;
- /* Split characters into bytes. If c2 is -1 afterwards, C is
- really a one-byte character so that byte1 is zero. */
- SPLIT_CHAR (glyph->u.ch, charset, c1, c2);
- if (c2 > 0)
- char2b->byte1 = c1, char2b->byte2 = c2;
- else
- char2b->byte1 = 0, char2b->byte2 = c1;
+ xgcv.background = s->f->output_data.x->cursor_pixel;
+ xgcv.foreground = s->face->background;
+
+ /* If the glyph would be invisible, try a different foreground. */
+ if (xgcv.foreground == xgcv.background)
+ xgcv.foreground = s->face->foreground;
+ if (xgcv.foreground == xgcv.background)
+ xgcv.foreground = s->f->output_data.x->cursor_foreground_pixel;
+ if (xgcv.foreground == xgcv.background)
+ xgcv.foreground = s->face->foreground;
- /* Maybe encode the character in *CHAR2B. */
- if (charset != CHARSET_ASCII)
+ /* Make sure the cursor is distinct from text in this face. */
+ if (xgcv.background == s->face->background
+ && xgcv.foreground == s->face->foreground)
{
- struct font_info *font_info
- = FONT_INFO_FROM_ID (f, face->font_info_id);
- if (font_info)
- {
- x_encode_char (glyph->u.ch, char2b, font_info);
- if (two_byte_p)
- *two_byte_p
- = ((XFontStruct *) (font_info->font))->max_byte1 > 0;
- }
+ xgcv.background = s->face->foreground;
+ xgcv.foreground = s->face->background;
}
- }
-
- /* Make sure X resources of the face are allocated. */
- xassert (face != NULL);
- PREPARE_FACE_FOR_DISPLAY (f, face);
- return face;
-}
-
-/* Store one glyph for IT->char_to_display in IT->glyph_row.
- Called from x_produce_glyphs when IT->glyph_row is non-null. */
-
-static INLINE void
-x_append_glyph (it)
- struct it *it;
-{
- struct glyph *glyph;
- enum glyph_row_area area = it->area;
+ IF_DEBUG (x_check_font (s->f, s->font));
+ xgcv.font = s->font->fid;
+ xgcv.graphics_exposures = False;
+ mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
- xassert (it->glyph_row);
- xassert (it->char_to_display != '\n' && it->char_to_display != '\t');
+ if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc)
+ XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc,
+ mask, &xgcv);
+ else
+ FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc
+ = XCreateGC (s->display, s->window, mask, &xgcv);
- glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area];
- if (glyph < it->glyph_row->glyphs[area + 1])
- {
- glyph->charpos = CHARPOS (it->position);
- glyph->object = it->object;
- glyph->pixel_width = it->pixel_width;
- glyph->voffset = it->voffset;
- glyph->type = CHAR_GLYPH;
- glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
- glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent
- || it->phys_descent > it->descent);
- glyph->padding_p = 0;
- glyph->glyph_not_available_p = it->glyph_not_available_p;
- glyph->face_id = it->face_id;
- glyph->u.ch = it->char_to_display;
- ++it->glyph_row->used[area];
+ s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc;
}
}
-/* Store one glyph for the composition IT->cmp_id in IT->glyph_row.
- Called from x_produce_glyphs when IT->glyph_row is non-null. */
-
-static INLINE void
-x_append_composite_glyph (it)
- struct it *it;
-{
- struct glyph *glyph;
- enum glyph_row_area area = it->area;
- xassert (it->glyph_row);
+/* Set up S->gc of glyph string S for drawing text in mouse face. */
- glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area];
- if (glyph < it->glyph_row->glyphs[area + 1])
- {
- glyph->charpos = CHARPOS (it->position);
- glyph->object = it->object;
- glyph->pixel_width = it->pixel_width;
- glyph->voffset = it->voffset;
- glyph->type = COMPOSITE_GLYPH;
- glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
- glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent
- || it->phys_descent > it->descent);
- glyph->padding_p = 0;
- glyph->glyph_not_available_p = 0;
- glyph->face_id = it->face_id;
- glyph->u.cmp_id = it->cmp_id;
- ++it->glyph_row->used[area];
- }
-}
+static void
+x_set_mouse_face_gc (s)
+ struct glyph_string *s;
+{
+ int face_id;
+ struct face *face;
+ /* What face has to be used last for the mouse face? */
+ face_id = FRAME_X_DISPLAY_INFO (s->f)->mouse_face_face_id;
+ face = FACE_FROM_ID (s->f, face_id);
+ if (face == NULL)
+ face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
-/* Change IT->ascent and IT->height according to the setting of
- IT->voffset. */
+ if (s->first_glyph->type == CHAR_GLYPH)
+ face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch);
+ else
+ face_id = FACE_FOR_CHAR (s->f, face, 0);
+ s->face = FACE_FROM_ID (s->f, face_id);
+ PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
-static INLINE void
-take_vertical_position_into_account (it)
- struct it *it;
-{
- if (it->voffset)
+ /* If font in this face is same as S->font, use it. */
+ if (s->font == s->face->font)
+ s->gc = s->face->gc;
+ else
{
- if (it->voffset < 0)
- /* Increase the ascent so that we can display the text higher
- in the line. */
- it->ascent += abs (it->voffset);
+ /* Otherwise construct scratch_cursor_gc with values from FACE
+ but font FONT. */
+ XGCValues xgcv;
+ unsigned long mask;
+
+ xgcv.background = s->face->background;
+ xgcv.foreground = s->face->foreground;
+ IF_DEBUG (x_check_font (s->f, s->font));
+ xgcv.font = s->font->fid;
+ xgcv.graphics_exposures = False;
+ mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
+
+ if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc)
+ XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc,
+ mask, &xgcv);
else
- /* Increase the descent so that we can display the text lower
- in the line. */
- it->descent += it->voffset;
+ FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc
+ = XCreateGC (s->display, s->window, mask, &xgcv);
+
+ s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc;
}
+
+ xassert (s->gc != 0);
}
-/* Produce glyphs/get display metrics for the image IT is loaded with.
- See the description of struct display_iterator in dispextern.h for
- an overview of struct display_iterator. */
+/* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
+ Faces to use in the mode line have already been computed when the
+ matrix was built, so there isn't much to do, here. */
-static void
-x_produce_image_glyph (it)
- struct it *it;
+static INLINE void
+x_set_mode_line_face_gc (s)
+ struct glyph_string *s;
{
- struct image *img;
- struct face *face;
-
- xassert (it->what == IT_IMAGE);
-
- face = FACE_FROM_ID (it->f, it->face_id);
- img = IMAGE_FROM_ID (it->f, it->image_id);
- xassert (img);
+ s->gc = s->face->gc;
+}
- /* Make sure X resources of the face and image are loaded. */
- PREPARE_FACE_FOR_DISPLAY (it->f, face);
- prepare_image_for_display (it->f, img);
- it->ascent = it->phys_ascent = image_ascent (img, face);
- it->descent = it->phys_descent = img->height + 2 * img->vmargin - it->ascent;
- it->pixel_width = img->width + 2 * img->hmargin;
+/* Set S->gc of glyph string S for drawing that glyph string. Set
+ S->stippled_p to a non-zero value if the face of S has a stipple
+ pattern. */
- it->nglyphs = 1;
+static INLINE void
+x_set_glyph_string_gc (s)
+ struct glyph_string *s;
+{
+ PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
- if (face->box != FACE_NO_BOX)
+ if (s->hl == DRAW_NORMAL_TEXT)
{
- if (face->box_line_width > 0)
- {
- it->ascent += face->box_line_width;
- it->descent += face->box_line_width;
- }
-
- if (it->start_of_box_run_p)
- it->pixel_width += abs (face->box_line_width);
- if (it->end_of_box_run_p)
- it->pixel_width += abs (face->box_line_width);
+ s->gc = s->face->gc;
+ s->stippled_p = s->face->stipple != 0;
}
-
- take_vertical_position_into_account (it);
-
- if (it->glyph_row)
+ else if (s->hl == DRAW_INVERSE_VIDEO)
{
- struct glyph *glyph;
- enum glyph_row_area area = it->area;
-
- glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area];
- if (glyph < it->glyph_row->glyphs[area + 1])
- {
- glyph->charpos = CHARPOS (it->position);
- glyph->object = it->object;
- glyph->pixel_width = it->pixel_width;
- glyph->voffset = it->voffset;
- glyph->type = IMAGE_GLYPH;
- glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
- glyph->overlaps_vertically_p = 0;
- glyph->padding_p = 0;
- glyph->glyph_not_available_p = 0;
- glyph->face_id = it->face_id;
- glyph->u.img_id = img->id;
- ++it->glyph_row->used[area];
- }
+ x_set_mode_line_face_gc (s);
+ s->stippled_p = s->face->stipple != 0;
+ }
+ else if (s->hl == DRAW_CURSOR)
+ {
+ x_set_cursor_gc (s);
+ s->stippled_p = 0;
+ }
+ else if (s->hl == DRAW_MOUSE_FACE)
+ {
+ x_set_mouse_face_gc (s);
+ s->stippled_p = s->face->stipple != 0;
+ }
+ else if (s->hl == DRAW_IMAGE_RAISED
+ || s->hl == DRAW_IMAGE_SUNKEN)
+ {
+ s->gc = s->face->gc;
+ s->stippled_p = s->face->stipple != 0;
}
+ else
+ {
+ s->gc = s->face->gc;
+ s->stippled_p = s->face->stipple != 0;
+ }
+
+ /* GC must have been set. */
+ xassert (s->gc != 0);
}
-/* Append a stretch glyph to IT->glyph_row. OBJECT is the source
- of the glyph, WIDTH and HEIGHT are the width and height of the
- stretch. ASCENT is the percentage/100 of HEIGHT to use for the
- ascent of the glyph (0 <= ASCENT <= 1). */
+/* Set clipping for output of glyph string S. S may be part of a mode
+ line or menu if we don't have X toolkit support. */
-static void
-x_append_stretch_glyph (it, object, width, height, ascent)
- struct it *it;
- Lisp_Object object;
- int width, height;
- double ascent;
+static INLINE void
+x_set_glyph_string_clipping (s)
+ struct glyph_string *s;
{
- struct glyph *glyph;
- enum glyph_row_area area = it->area;
+ XRectangle r;
+ get_glyph_string_clip_rect (s, &r);
+ XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted);
+}
- xassert (ascent >= 0 && ascent <= 1);
- glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area];
- if (glyph < it->glyph_row->glyphs[area + 1])
+/* RIF:
+ Compute left and right overhang of glyph string S. If S is a glyph
+ string for a composition, assume overhangs don't exist. */
+
+static void
+x_compute_glyph_string_overhangs (s)
+ struct glyph_string *s;
+{
+ if (s->cmp == NULL
+ && s->first_glyph->type == CHAR_GLYPH)
{
- glyph->charpos = CHARPOS (it->position);
- glyph->object = object;
- glyph->pixel_width = width;
- glyph->voffset = it->voffset;
- glyph->type = STRETCH_GLYPH;
- glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
- glyph->overlaps_vertically_p = 0;
- glyph->padding_p = 0;
- glyph->glyph_not_available_p = 0;
- glyph->face_id = it->face_id;
- glyph->u.stretch.ascent = height * ascent;
- glyph->u.stretch.height = height;
- ++it->glyph_row->used[area];
+ XCharStruct cs;
+ int direction, font_ascent, font_descent;
+ XTextExtents16 (s->font, s->char2b, s->nchars, &direction,
+ &font_ascent, &font_descent, &cs);
+ s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0;
+ s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0;
}
}
-/* Produce a stretch glyph for iterator IT. IT->object is the value
- of the glyph property displayed. The value must be a list
- `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs
- being recognized:
-
- 1. `:width WIDTH' specifies that the space should be WIDTH *
- canonical char width wide. WIDTH may be an integer or floating
- point number.
-
- 2. `:relative-width FACTOR' specifies that the width of the stretch
- should be computed from the width of the first character having the
- `glyph' property, and should be FACTOR times that width.
-
- 3. `:align-to HPOS' specifies that the space should be wide enough
- to reach HPOS, a value in canonical character units.
-
- Exactly one of the above pairs must be present.
-
- 4. `:height HEIGHT' specifies that the height of the stretch produced
- should be HEIGHT, measured in canonical character units.
-
- 5. `:relative-height FACTOR' specifies that the height of the
- stretch should be FACTOR times the height of the characters having
- the glyph property.
-
- Either none or exactly one of 4 or 5 must be present.
+/* Fill rectangle X, Y, W, H with background color of glyph string S. */
- 6. `:ascent ASCENT' specifies that ASCENT percent of the height
- of the stretch should be used for the ascent of the stretch.
- ASCENT must be in the range 0 <= ASCENT <= 100. */
+static INLINE void
+x_clear_glyph_string_rect (s, x, y, w, h)
+ struct glyph_string *s;
+ int x, y, w, h;
+{
+ XGCValues xgcv;
+ XGetGCValues (s->display, s->gc, GCForeground | GCBackground, &xgcv);
+ XSetForeground (s->display, s->gc, xgcv.background);
+ XFillRectangle (s->display, s->window, s->gc, x, y, w, h);
+ XSetForeground (s->display, s->gc, xgcv.foreground);
+}
-#define NUMVAL(X) \
- ((INTEGERP (X) || FLOATP (X)) \
- ? XFLOATINT (X) \
- : - 1)
+/* Draw the background of glyph_string S. If S->background_filled_p
+ is non-zero don't draw it. FORCE_P non-zero means draw the
+ background even if it wouldn't be drawn normally. This is used
+ when a string preceding S draws into the background of S, or S
+ contains the first component of a composition. */
static void
-x_produce_stretch_glyph (it)
- struct it *it;
+x_draw_glyph_string_background (s, force_p)
+ struct glyph_string *s;
+ int force_p;
{
- /* (space :width WIDTH :height HEIGHT. */
-#if GLYPH_DEBUG
- extern Lisp_Object Qspace;
-#endif
- extern Lisp_Object QCwidth, QCheight, QCascent;
- extern Lisp_Object QCrelative_width, QCrelative_height;
- extern Lisp_Object QCalign_to;
- Lisp_Object prop, plist;
- double width = 0, height = 0, ascent = 0;
- struct face *face = FACE_FROM_ID (it->f, it->face_id);
- XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f);
-
- PREPARE_FACE_FOR_DISPLAY (it->f, face);
-
- /* List should start with `space'. */
- xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace));
- plist = XCDR (it->object);
-
- /* Compute the width of the stretch. */
- if (prop = Fplist_get (plist, QCwidth),
- NUMVAL (prop) > 0)
- /* Absolute width `:width WIDTH' specified and valid. */
- width = NUMVAL (prop) * CANON_X_UNIT (it->f);
- else if (prop = Fplist_get (plist, QCrelative_width),
- NUMVAL (prop) > 0)
- {
- /* Relative width `:relative-width FACTOR' specified and valid.
- Compute the width of the characters having the `glyph'
- property. */
- struct it it2;
- unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it));
-
- it2 = *it;
- if (it->multibyte_p)
+ /* Nothing to do if background has already been drawn or if it
+ shouldn't be drawn in the first place. */
+ if (!s->background_filled_p)
+ {
+ int box_line_width = max (s->face->box_line_width, 0);
+
+ if (s->stippled_p)
{
- int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT)
- - IT_BYTEPOS (*it));
- it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len);
+ /* Fill background with a stipple pattern. */
+ XSetFillStyle (s->display, s->gc, FillOpaqueStippled);
+ XFillRectangle (s->display, s->window, s->gc, s->x,
+ s->y + box_line_width,
+ s->background_width,
+ s->height - 2 * box_line_width);
+ XSetFillStyle (s->display, s->gc, FillSolid);
+ s->background_filled_p = 1;
+ }
+ else if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
+ || s->font_not_found_p
+ || s->extends_to_end_of_line_p
+ || force_p)
+ {
+ x_clear_glyph_string_rect (s, s->x, s->y + box_line_width,
+ s->background_width,
+ s->height - 2 * box_line_width);
+ s->background_filled_p = 1;
}
- else
- it2.c = *p, it2.len = 1;
-
- it2.glyph_row = NULL;
- it2.what = IT_CHARACTER;
- x_produce_glyphs (&it2);
- width = NUMVAL (prop) * it2.pixel_width;
}
- else if (prop = Fplist_get (plist, QCalign_to),
- NUMVAL (prop) > 0)
- width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x;
- else
- /* Nothing specified -> width defaults to canonical char width. */
- width = CANON_X_UNIT (it->f);
-
- /* Compute height. */
- if (prop = Fplist_get (plist, QCheight),
- NUMVAL (prop) > 0)
- height = NUMVAL (prop) * CANON_Y_UNIT (it->f);
- else if (prop = Fplist_get (plist, QCrelative_height),
- NUMVAL (prop) > 0)
- height = FONT_HEIGHT (font) * NUMVAL (prop);
- else
- height = FONT_HEIGHT (font);
-
- /* Compute percentage of height used for ascent. If
- `:ascent ASCENT' is present and valid, use that. Otherwise,
- derive the ascent from the font in use. */
- if (prop = Fplist_get (plist, QCascent),
- NUMVAL (prop) > 0 && NUMVAL (prop) <= 100)
- ascent = NUMVAL (prop) / 100.0;
- else
- ascent = (double) font->ascent / FONT_HEIGHT (font);
+}
- if (width <= 0)
- width = 1;
- if (height <= 0)
- height = 1;
- if (it->glyph_row)
- {
- Lisp_Object object = it->stack[it->sp - 1].string;
- if (!STRINGP (object))
- object = it->w->buffer;
- x_append_stretch_glyph (it, object, width, height, ascent);
- }
+/* Draw the foreground of glyph string S. */
+
+static void
+x_draw_glyph_string_foreground (s)
+ struct glyph_string *s;
+{
+ int i, x;
- it->pixel_width = width;
- it->ascent = it->phys_ascent = height * ascent;
- it->descent = it->phys_descent = height - it->ascent;
- it->nglyphs = 1;
+ /* If first glyph of S has a left box line, start drawing the text
+ of S to the right of that box line. */
+ if (s->face->box != FACE_NO_BOX
+ && s->first_glyph->left_box_line_p)
+ x = s->x + abs (s->face->box_line_width);
+ else
+ x = s->x;
- if (face->box != FACE_NO_BOX)
+ /* Draw characters of S as rectangles if S's font could not be
+ loaded. */
+ if (s->font_not_found_p)
{
- if (face->box_line_width > 0)
+ for (i = 0; i < s->nchars; ++i)
{
- it->ascent += face->box_line_width;
- it->descent += face->box_line_width;
+ struct glyph *g = s->first_glyph + i;
+ XDrawRectangle (s->display, s->window,
+ s->gc, x, s->y, g->pixel_width - 1,
+ s->height - 1);
+ x += g->pixel_width;
}
+ }
+ else
+ {
+ char *char1b = (char *) s->char2b;
+ int boff = s->font_info->baseline_offset;
- if (it->start_of_box_run_p)
- it->pixel_width += abs (face->box_line_width);
- if (it->end_of_box_run_p)
- it->pixel_width += abs (face->box_line_width);
- }
-
- take_vertical_position_into_account (it);
-}
-
-/* Return proper value to be used as baseline offset of font that has
- ASCENT and DESCENT to draw characters by the font at the vertical
- center of the line of frame F.
-
- Here, out task is to find the value of BOFF in the following figure;
-
- -------------------------+-----------+-
- -+-+---------+-+ | |
- | | | | | |
- | | | | F_ASCENT F_HEIGHT
- | | | ASCENT | |
- HEIGHT | | | | |
- | | |-|-+------+-----------|------- baseline
- | | | | BOFF | |
- | |---------|-+-+ | |
- | | | DESCENT | |
- -+-+---------+-+ F_DESCENT |
- -------------------------+-----------+-
-
- -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT
- BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT
- DESCENT = FONT->descent
- HEIGHT = FONT_HEIGHT (FONT)
- F_DESCENT = (F->output_data.x->font->descent
- - F->output_data.x->baseline_offset)
- F_HEIGHT = FRAME_LINE_HEIGHT (F)
-*/
-
-#define VCENTER_BASELINE_OFFSET(FONT, F) \
- ((FONT)->descent \
- + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT)) \
- + (FRAME_LINE_HEIGHT ((F)) > FONT_HEIGHT ((FONT)))) / 2 \
- - ((F)->output_data.x->font->descent - (F)->output_data.x->baseline_offset))
-
-/* Produce glyphs/get display metrics for the display element IT is
- loaded with. See the description of struct display_iterator in
- dispextern.h for an overview of struct display_iterator. */
-
-static void
-x_produce_glyphs (it)
- struct it *it;
-{
- it->glyph_not_available_p = 0;
-
- if (it->what == IT_CHARACTER)
- {
- XChar2b char2b;
- XFontStruct *font;
- struct face *face = FACE_FROM_ID (it->f, it->face_id);
- XCharStruct *pcm;
- int font_not_found_p;
- struct font_info *font_info;
- int boff; /* baseline offset */
- /* We may change it->multibyte_p upon unibyte<->multibyte
- conversion. So, save the current value now and restore it
- later.
-
- Note: It seems that we don't have to record multibyte_p in
- struct glyph because the character code itself tells if or
- not the character is multibyte. Thus, in the future, we must
- consider eliminating the field `multibyte_p' in the struct
- glyph. */
- int saved_multibyte_p = it->multibyte_p;
-
- /* Maybe translate single-byte characters to multibyte, or the
- other way. */
- it->char_to_display = it->c;
- if (!ASCII_BYTE_P (it->c))
- {
- if (unibyte_display_via_language_environment
- && SINGLE_BYTE_CHAR_P (it->c)
- && (it->c >= 0240
- || !NILP (Vnonascii_translation_table)))
- {
- it->char_to_display = unibyte_char_to_multibyte (it->c);
- it->multibyte_p = 1;
- it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display);
- face = FACE_FROM_ID (it->f, it->face_id);
- }
- else if (!SINGLE_BYTE_CHAR_P (it->c)
- && !it->multibyte_p)
- {
- it->multibyte_p = 1;
- it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display);
- face = FACE_FROM_ID (it->f, it->face_id);
- }
- }
+ if (s->font_info->vertical_centering)
+ boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff;
- /* Get font to use. Encode IT->char_to_display. */
- x_get_char_face_and_encoding (it->f, it->char_to_display,
- it->face_id, &char2b,
- it->multibyte_p, 0);
- font = face->font;
+ /* If we can use 8-bit functions, condense S->char2b. */
+ if (!s->two_byte_p)
+ for (i = 0; i < s->nchars; ++i)
+ char1b[i] = s->char2b[i].byte2;
- /* When no suitable font found, use the default font. */
- font_not_found_p = font == NULL;
- if (font_not_found_p)
+ /* Draw text with XDrawString if background has already been
+ filled. Otherwise, use XDrawImageString. (Note that
+ XDrawImageString is usually faster than XDrawString.) Always
+ use XDrawImageString when drawing the cursor so that there is
+ no chance that characters under a box cursor are invisible. */
+ if (s->for_overlaps_p
+ || (s->background_filled_p && s->hl != DRAW_CURSOR))
{
- font = FRAME_FONT (it->f);
- boff = it->f->output_data.x->baseline_offset;
- font_info = NULL;
+ /* Draw characters with 16-bit or 8-bit functions. */
+ if (s->two_byte_p)
+ XDrawString16 (s->display, s->window, s->gc, x,
+ s->ybase - boff, s->char2b, s->nchars);
+ else
+ XDrawString (s->display, s->window, s->gc, x,
+ s->ybase - boff, char1b, s->nchars);
}
else
{
- font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id);
- boff = font_info->baseline_offset;
- if (font_info->vertical_centering)
- boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff;
+ if (s->two_byte_p)
+ XDrawImageString16 (s->display, s->window, s->gc, x,
+ s->ybase - boff, s->char2b, s->nchars);
+ else
+ XDrawImageString (s->display, s->window, s->gc, x,
+ s->ybase - boff, char1b, s->nchars);
}
- if (it->char_to_display >= ' '
- && (!it->multibyte_p || it->char_to_display < 128))
+ if (s->face->overstrike)
{
- /* Either unibyte or ASCII. */
- int stretched_p;
-
- it->nglyphs = 1;
-
- pcm = x_per_char_metric (font, &char2b);
- it->ascent = font->ascent + boff;
- it->descent = font->descent - boff;
-
- if (pcm)
- {
- it->phys_ascent = pcm->ascent + boff;
- it->phys_descent = pcm->descent - boff;
- it->pixel_width = pcm->width;
- }
+ /* For overstriking (to simulate bold-face), draw the
+ characters again shifted to the right by one pixel. */
+ if (s->two_byte_p)
+ XDrawString16 (s->display, s->window, s->gc, x + 1,
+ s->ybase - boff, s->char2b, s->nchars);
else
- {
- it->glyph_not_available_p = 1;
- it->phys_ascent = font->ascent + boff;
- it->phys_descent = font->descent - boff;
- it->pixel_width = FONT_WIDTH (font);
- }
-
- /* If this is a space inside a region of text with
- `space-width' property, change its width. */
- stretched_p = it->char_to_display == ' ' && !NILP (it->space_width);
- if (stretched_p)
- it->pixel_width *= XFLOATINT (it->space_width);
-
- /* If face has a box, add the box thickness to the character
- height. If character has a box line to the left and/or
- right, add the box line width to the character's width. */
- if (face->box != FACE_NO_BOX)
- {
- int thick = face->box_line_width;
-
- if (thick > 0)
- {
- it->ascent += thick;
- it->descent += thick;
- }
- else
- thick = -thick;
-
- if (it->start_of_box_run_p)
- it->pixel_width += thick;
- if (it->end_of_box_run_p)
- it->pixel_width += thick;
- }
-
- /* If face has an overline, add the height of the overline
- (1 pixel) and a 1 pixel margin to the character height. */
- if (face->overline_p)
- it->ascent += 2;
-
- take_vertical_position_into_account (it);
-
- /* If we have to actually produce glyphs, do it. */
- if (it->glyph_row)
- {
- if (stretched_p)
- {
- /* Translate a space with a `space-width' property
- into a stretch glyph. */
- double ascent = (double) font->ascent / FONT_HEIGHT (font);
- x_append_stretch_glyph (it, it->object, it->pixel_width,
- it->ascent + it->descent, ascent);
- }
- else
- x_append_glyph (it);
-
- /* If characters with lbearing or rbearing are displayed
- in this line, record that fact in a flag of the
- glyph row. This is used to optimize X output code. */
- if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width))
- it->glyph_row->contains_overlapping_glyphs_p = 1;
- }
- }
- else if (it->char_to_display == '\n')
- {
- /* A newline has no width but we need the height of the line. */
- it->pixel_width = 0;
- it->nglyphs = 0;
- it->ascent = it->phys_ascent = font->ascent + boff;
- it->descent = it->phys_descent = font->descent - boff;
-
- if (face->box != FACE_NO_BOX
- && face->box_line_width > 0)
- {
- it->ascent += face->box_line_width;
- it->descent += face->box_line_width;
- }
- }
- else if (it->char_to_display == '\t')
- {
- int tab_width = it->tab_width * CANON_X_UNIT (it->f);
- int x = it->current_x + it->continuation_lines_width;
- int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width;
-
- /* If the distance from the current position to the next tab
- stop is less than a canonical character width, use the
- tab stop after that. */
- if (next_tab_x - x < CANON_X_UNIT (it->f))
- next_tab_x += tab_width;
-
- it->pixel_width = next_tab_x - x;
- it->nglyphs = 1;
- it->ascent = it->phys_ascent = font->ascent + boff;
- it->descent = it->phys_descent = font->descent - boff;
-
- if (it->glyph_row)
- {
- double ascent = (double) it->ascent / (it->ascent + it->descent);
- x_append_stretch_glyph (it, it->object, it->pixel_width,
- it->ascent + it->descent, ascent);
- }
+ XDrawString (s->display, s->window, s->gc, x + 1,
+ s->ybase - boff, char1b, s->nchars);
}
- else
- {
- /* A multi-byte character. Assume that the display width of the
- character is the width of the character multiplied by the
- width of the font. */
-
- /* If we found a font, this font should give us the right
- metrics. If we didn't find a font, use the frame's
- default font and calculate the width of the character
- from the charset width; this is what old redisplay code
- did. */
- pcm = x_per_char_metric (font, &char2b);
- if (font_not_found_p || !pcm)
- {
- int charset = CHAR_CHARSET (it->char_to_display);
-
- it->glyph_not_available_p = 1;
- it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f))
- * CHARSET_WIDTH (charset));
- it->phys_ascent = font->ascent + boff;
- it->phys_descent = font->descent - boff;
- }
- else
- {
- it->pixel_width = pcm->width;
- it->phys_ascent = pcm->ascent + boff;
- it->phys_descent = pcm->descent - boff;
- if (it->glyph_row
- && (pcm->lbearing < 0
- || pcm->rbearing > pcm->width))
- it->glyph_row->contains_overlapping_glyphs_p = 1;
- }
- it->nglyphs = 1;
- it->ascent = font->ascent + boff;
- it->descent = font->descent - boff;
- if (face->box != FACE_NO_BOX)
- {
- int thick = face->box_line_width;
-
- if (thick > 0)
- {
- it->ascent += thick;
- it->descent += thick;
- }
- else
- thick = - thick;
-
- if (it->start_of_box_run_p)
- it->pixel_width += thick;
- if (it->end_of_box_run_p)
- it->pixel_width += thick;
- }
-
- /* If face has an overline, add the height of the overline
- (1 pixel) and a 1 pixel margin to the character height. */
- if (face->overline_p)
- it->ascent += 2;
+ }
+}
- take_vertical_position_into_account (it);
+/* Draw the foreground of composite glyph string S. */
- if (it->glyph_row)
- x_append_glyph (it);
- }
- it->multibyte_p = saved_multibyte_p;
- }
- else if (it->what == IT_COMPOSITION)
- {
- /* Note: A composition is represented as one glyph in the
- glyph matrix. There are no padding glyphs. */
- XChar2b char2b;
- XFontStruct *font;
- struct face *face = FACE_FROM_ID (it->f, it->face_id);
- XCharStruct *pcm;
- int font_not_found_p;
- struct font_info *font_info;
- int boff; /* baseline offset */
- struct composition *cmp = composition_table[it->cmp_id];
-
- /* Maybe translate single-byte characters to multibyte. */
- it->char_to_display = it->c;
- if (unibyte_display_via_language_environment
- && SINGLE_BYTE_CHAR_P (it->c)
- && (it->c >= 0240
- || (it->c >= 0200
- && !NILP (Vnonascii_translation_table))))
- {
- it->char_to_display = unibyte_char_to_multibyte (it->c);
- }
+static void
+x_draw_composite_glyph_string_foreground (s)
+ struct glyph_string *s;
+{
+ int i, x;
- /* Get face and font to use. Encode IT->char_to_display. */
- it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display);
- face = FACE_FROM_ID (it->f, it->face_id);
- x_get_char_face_and_encoding (it->f, it->char_to_display,
- it->face_id, &char2b, it->multibyte_p, 0);
- font = face->font;
+ /* If first glyph of S has a left box line, start drawing the text
+ of S to the right of that box line. */
+ if (s->face->box != FACE_NO_BOX
+ && s->first_glyph->left_box_line_p)
+ x = s->x + abs (s->face->box_line_width);
+ else
+ x = s->x;
- /* When no suitable font found, use the default font. */
- font_not_found_p = font == NULL;
- if (font_not_found_p)
- {
- font = FRAME_FONT (it->f);
- boff = it->f->output_data.x->baseline_offset;
- font_info = NULL;
- }
- else
- {
- font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id);
- boff = font_info->baseline_offset;
- if (font_info->vertical_centering)
- boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff;
- }
+ /* S is a glyph string for a composition. S->gidx is the index of
+ the first character drawn for glyphs of this composition.
+ S->gidx == 0 means we are drawing the very first character of
+ this composition. */
- /* There are no padding glyphs, so there is only one glyph to
- produce for the composition. Important is that pixel_width,
- ascent and descent are the values of what is drawn by
- draw_glyphs (i.e. the values of the overall glyphs composed). */
- it->nglyphs = 1;
-
- /* If we have not yet calculated pixel size data of glyphs of
- the composition for the current face font, calculate them
- now. Theoretically, we have to check all fonts for the
- glyphs, but that requires much time and memory space. So,
- here we check only the font of the first glyph. This leads
- to incorrect display very rarely, and C-l (recenter) can
- correct the display anyway. */
- if (cmp->font != (void *) font)
+ /* Draw a rectangle for the composition if the font for the very
+ first character of the composition could not be loaded. */
+ if (s->font_not_found_p)
+ {
+ if (s->gidx == 0)
+ XDrawRectangle (s->display, s->window, s->gc, x, s->y,
+ s->width - 1, s->height - 1);
+ }
+ else
+ {
+ for (i = 0; i < s->nchars; i++, ++s->gidx)
{
- /* Ascent and descent of the font of the first character of
- this composition (adjusted by baseline offset). Ascent
- and descent of overall glyphs should not be less than
- them respectively. */
- int font_ascent = font->ascent + boff;
- int font_descent = font->descent - boff;
- /* Bounding box of the overall glyphs. */
- int leftmost, rightmost, lowest, highest;
- int i, width, ascent, descent;
-
- cmp->font = (void *) font;
-
- /* Initialize the bounding box. */
- if (font_info
- && (pcm = x_per_char_metric (font, &char2b)))
- {
- width = pcm->width;
- ascent = pcm->ascent;
- descent = pcm->descent;
- }
- else
- {
- width = FONT_WIDTH (font);
- ascent = font->ascent;
- descent = font->descent;
- }
-
- rightmost = width;
- lowest = - descent + boff;
- highest = ascent + boff;
- leftmost = 0;
-
- if (font_info
- && font_info->default_ascent
- && CHAR_TABLE_P (Vuse_default_ascent)
- && !NILP (Faref (Vuse_default_ascent,
- make_number (it->char_to_display))))
- highest = font_info->default_ascent + boff;
-
- /* Draw the first glyph at the normal position. It may be
- shifted to right later if some other glyphs are drawn at
- the left. */
- cmp->offsets[0] = 0;
- cmp->offsets[1] = boff;
-
- /* Set cmp->offsets for the remaining glyphs. */
- for (i = 1; i < cmp->glyph_len; i++)
- {
- int left, right, btm, top;
- int ch = COMPOSITION_GLYPH (cmp, i);
- int face_id = FACE_FOR_CHAR (it->f, face, ch);
-
- face = FACE_FROM_ID (it->f, face_id);
- x_get_char_face_and_encoding (it->f, ch, face->id, &char2b,
- it->multibyte_p, 0);
- font = face->font;
- if (font == NULL)
- {
- font = FRAME_FONT (it->f);
- boff = it->f->output_data.x->baseline_offset;
- font_info = NULL;
- }
- else
- {
- font_info
- = FONT_INFO_FROM_ID (it->f, face->font_info_id);
- boff = font_info->baseline_offset;
- if (font_info->vertical_centering)
- boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff;
- }
-
- if (font_info
- && (pcm = x_per_char_metric (font, &char2b)))
- {
- width = pcm->width;
- ascent = pcm->ascent;
- descent = pcm->descent;
- }
- else
- {
- width = FONT_WIDTH (font);
- ascent = 1;
- descent = 0;
- }
-
- if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS)
- {
- /* Relative composition with or without
- alternate chars. */
- left = (leftmost + rightmost - width) / 2;
- btm = - descent + boff;
- if (font_info && font_info->relative_compose
- && (! CHAR_TABLE_P (Vignore_relative_composition)
- || NILP (Faref (Vignore_relative_composition,
- make_number (ch)))))
- {
-
- if (- descent >= font_info->relative_compose)
- /* One extra pixel between two glyphs. */
- btm = highest + 1;
- else if (ascent <= 0)
- /* One extra pixel between two glyphs. */
- btm = lowest - 1 - ascent - descent;
- }
- }
- else
- {
- /* A composition rule is specified by an integer
- value that encodes global and new reference
- points (GREF and NREF). GREF and NREF are
- specified by numbers as below:
-
- 0---1---2 -- ascent
- | |
- | |
- | |
- 9--10--11 -- center
- | |
- ---3---4---5--- baseline
- | |
- 6---7---8 -- descent
- */
- int rule = COMPOSITION_RULE (cmp, i);
- int gref, nref, grefx, grefy, nrefx, nrefy;
-
- COMPOSITION_DECODE_RULE (rule, gref, nref);
- grefx = gref % 3, nrefx = nref % 3;
- grefy = gref / 3, nrefy = nref / 3;
-
- left = (leftmost
- + grefx * (rightmost - leftmost) / 2
- - nrefx * width / 2);
- btm = ((grefy == 0 ? highest
- : grefy == 1 ? 0
- : grefy == 2 ? lowest
- : (highest + lowest) / 2)
- - (nrefy == 0 ? ascent + descent
- : nrefy == 1 ? descent - boff
- : nrefy == 2 ? 0
- : (ascent + descent) / 2));
- }
-
- cmp->offsets[i * 2] = left;
- cmp->offsets[i * 2 + 1] = btm + descent;
-
- /* Update the bounding box of the overall glyphs. */
- right = left + width;
- top = btm + descent + ascent;
- if (left < leftmost)
- leftmost = left;
- if (right > rightmost)
- rightmost = right;
- if (top > highest)
- highest = top;
- if (btm < lowest)
- lowest = btm;
- }
-
- /* If there are glyphs whose x-offsets are negative,
- shift all glyphs to the right and make all x-offsets
- non-negative. */
- if (leftmost < 0)
- {
- for (i = 0; i < cmp->glyph_len; i++)
- cmp->offsets[i * 2] -= leftmost;
- rightmost -= leftmost;
- }
-
- cmp->pixel_width = rightmost;
- cmp->ascent = highest;
- cmp->descent = - lowest;
- if (cmp->ascent < font_ascent)
- cmp->ascent = font_ascent;
- if (cmp->descent < font_descent)
- cmp->descent = font_descent;
+ XDrawString16 (s->display, s->window, s->gc,
+ x + s->cmp->offsets[s->gidx * 2],
+ s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
+ s->char2b + i, 1);
+ if (s->face->overstrike)
+ XDrawString16 (s->display, s->window, s->gc,
+ x + s->cmp->offsets[s->gidx * 2] + 1,
+ s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
+ s->char2b + i, 1);
}
+ }
+}
- it->pixel_width = cmp->pixel_width;
- it->ascent = it->phys_ascent = cmp->ascent;
- it->descent = it->phys_descent = cmp->descent;
- if (face->box != FACE_NO_BOX)
- {
- int thick = face->box_line_width;
+#ifdef USE_X_TOOLKIT
- if (thick > 0)
- {
- it->ascent += thick;
- it->descent += thick;
- }
- else
- thick = - thick;
+static struct frame *x_frame_of_widget P_ ((Widget));
+static Boolean cvt_string_to_pixel P_ ((Display *, XrmValue *, Cardinal *,
+ XrmValue *, XrmValue *, XtPointer *));
+static void cvt_pixel_dtor P_ ((XtAppContext, XrmValue *, XtPointer,
+ XrmValue *, Cardinal *));
- if (it->start_of_box_run_p)
- it->pixel_width += thick;
- if (it->end_of_box_run_p)
- it->pixel_width += thick;
- }
- /* If face has an overline, add the height of the overline
- (1 pixel) and a 1 pixel margin to the character height. */
- if (face->overline_p)
- it->ascent += 2;
+/* Return the frame on which widget WIDGET is used.. Abort if frame
+ cannot be determined. */
- take_vertical_position_into_account (it);
+static struct frame *
+x_frame_of_widget (widget)
+ Widget widget;
+{
+ struct x_display_info *dpyinfo;
+ Lisp_Object tail;
+ struct frame *f;
- if (it->glyph_row)
- x_append_composite_glyph (it);
- }
- else if (it->what == IT_IMAGE)
- x_produce_image_glyph (it);
- else if (it->what == IT_STRETCH)
- x_produce_stretch_glyph (it);
+ dpyinfo = x_display_info_for_display (XtDisplay (widget));
- /* Accumulate dimensions. Note: can't assume that it->descent > 0
- because this isn't true for images with `:ascent 100'. */
- xassert (it->ascent >= 0 && it->descent >= 0);
- if (it->area == TEXT_AREA)
- it->current_x += it->pixel_width;
+ /* Find the top-level shell of the widget. Note that this function
+ can be called when the widget is not yet realized, so XtWindow
+ (widget) == 0. That's the reason we can't simply use
+ x_any_window_to_frame. */
+ while (!XtIsTopLevelShell (widget))
+ widget = XtParent (widget);
- it->descent += it->extra_line_spacing;
+ /* Look for a frame with that top-level widget. Allocate the color
+ on that frame to get the right gamma correction value. */
+ for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
+ if (GC_FRAMEP (XCAR (tail))
+ && (f = XFRAME (XCAR (tail)),
+ (f->output_data.nothing != 1
+ && FRAME_X_DISPLAY_INFO (f) == dpyinfo))
+ && f->output_data.x->widget == widget)
+ return f;
- it->max_ascent = max (it->max_ascent, it->ascent);
- it->max_descent = max (it->max_descent, it->descent);
- it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent);
- it->max_phys_descent = max (it->max_phys_descent, it->phys_descent);
+ abort ();
}
-/* Estimate the pixel height of the mode or top line on frame F.
- FACE_ID specifies what line's height to estimate. */
+/* Allocate the color COLOR->pixel on the screen and display of
+ widget WIDGET in colormap CMAP. If an exact match cannot be
+ allocated, try the nearest color available. Value is non-zero
+ if successful. This is called from lwlib. */
int
-x_estimate_mode_line_height (f, face_id)
- struct frame *f;
- enum face_id face_id;
+x_alloc_nearest_color_for_widget (widget, cmap, color)
+ Widget widget;
+ Colormap cmap;
+ XColor *color;
{
- int height = FONT_HEIGHT (FRAME_FONT (f));
-
- /* This function is called so early when Emacs starts that the face
- cache and mode line face are not yet initialized. */
- if (FRAME_FACE_CACHE (f))
- {
- struct face *face = FACE_FROM_ID (f, face_id);
- if (face)
- {
- if (face->font)
- height = FONT_HEIGHT (face->font);
- if (face->box_line_width > 0)
- height += 2 * face->box_line_width;
- }
- }
-
- return height;
+ struct frame *f = x_frame_of_widget (widget);
+ return x_alloc_nearest_color (f, cmap, color);
}
-\f
-/***********************************************************************
- Glyph display
- ***********************************************************************/
-
-/* A sequence of glyphs to be drawn in the same face.
- This data structure is not really completely X specific, so it
- could possibly, at least partially, be useful for other systems. It
- is currently not part of the external redisplay interface because
- it's not clear what other systems will need. */
+/* Allocate a color which is lighter or darker than *PIXEL by FACTOR
+ or DELTA. Try a color with RGB values multiplied by FACTOR first.
+ If this produces the same color as PIXEL, try a color where all RGB
+ values have DELTA added. Return the allocated color in *PIXEL.
+ DISPLAY is the X display, CMAP is the colormap to operate on.
+ Value is non-zero if successful. */
-struct glyph_string
+int
+x_alloc_lighter_color_for_widget (widget, display, cmap, pixel, factor, delta)
+ Widget widget;
+ Display *display;
+ Colormap cmap;
+ unsigned long *pixel;
+ double factor;
+ int delta;
{
- /* X-origin of the string. */
- int x;
-
- /* Y-origin and y-position of the base line of this string. */
- int y, ybase;
+ struct frame *f = x_frame_of_widget (widget);
+ return x_alloc_lighter_color (f, display, cmap, pixel, factor, delta);
+}
- /* The width of the string, not including a face extension. */
- int width;
- /* The width of the string, including a face extension. */
- int background_width;
+/* Structure specifying which arguments should be passed by Xt to
+ cvt_string_to_pixel. We want the widget's screen and colormap. */
- /* The height of this string. This is the height of the line this
- string is drawn in, and can be different from the height of the
- font the string is drawn in. */
- int height;
+static XtConvertArgRec cvt_string_to_pixel_args[] =
+ {
+ {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.screen),
+ sizeof (Screen *)},
+ {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.colormap),
+ sizeof (Colormap)}
+ };
- /* Number of pixels this string overwrites in front of its x-origin.
- This number is zero if the string has an lbearing >= 0; it is
- -lbearing, if the string has an lbearing < 0. */
- int left_overhang;
- /* Number of pixels this string overwrites past its right-most
- nominal x-position, i.e. x + width. Zero if the string's
- rbearing is <= its nominal width, rbearing - width otherwise. */
- int right_overhang;
+/* The address of this variable is returned by
+ cvt_string_to_pixel. */
- /* The frame on which the glyph string is drawn. */
- struct frame *f;
+static Pixel cvt_string_to_pixel_value;
- /* The window on which the glyph string is drawn. */
- struct window *w;
- /* X display and window for convenience. */
- Display *display;
- Window window;
+/* Convert a color name to a pixel color.
- /* The glyph row for which this string was built. It determines the
- y-origin and height of the string. */
- struct glyph_row *row;
+ DPY is the display we are working on.
- /* The area within row. */
- enum glyph_row_area area;
+ ARGS is an array of *NARGS XrmValue structures holding additional
+ information about the widget for which the conversion takes place.
+ The contents of this array are determined by the specification
+ in cvt_string_to_pixel_args.
- /* Characters to be drawn, and number of characters. */
- XChar2b *char2b;
- int nchars;
+ FROM is a pointer to an XrmValue which points to the color name to
+ convert. TO is an XrmValue in which to return the pixel color.
- /* A face-override for drawing cursors, mouse face and similar. */
- enum draw_glyphs_face hl;
+ CLOSURE_RET is a pointer to user-data, in which we record if
+ we allocated the color or not.
- /* Face in which this string is to be drawn. */
- struct face *face;
+ Value is True if successful, False otherwise. */
- /* Font in which this string is to be drawn. */
- XFontStruct *font;
+static Boolean
+cvt_string_to_pixel (dpy, args, nargs, from, to, closure_ret)
+ Display *dpy;
+ XrmValue *args;
+ Cardinal *nargs;
+ XrmValue *from, *to;
+ XtPointer *closure_ret;
+{
+ Screen *screen;
+ Colormap cmap;
+ Pixel pixel;
+ String color_name;
+ XColor color;
- /* Font info for this string. */
- struct font_info *font_info;
-
- /* Non-null means this string describes (part of) a composition.
- All characters from char2b are drawn composed. */
- struct composition *cmp;
-
- /* Index of this glyph string's first character in the glyph
- definition of CMP. If this is zero, this glyph string describes
- the first character of a composition. */
- int gidx;
-
- /* 1 means this glyph strings face has to be drawn to the right end
- of the window's drawing area. */
- unsigned extends_to_end_of_line_p : 1;
+ if (*nargs != 2)
+ {
+ XtAppWarningMsg (XtDisplayToApplicationContext (dpy),
+ "wrongParameters", "cvt_string_to_pixel",
+ "XtToolkitError",
+ "Screen and colormap args required", NULL, NULL);
+ return False;
+ }
- /* 1 means the background of this string has been drawn. */
- unsigned background_filled_p : 1;
+ screen = *(Screen **) args[0].addr;
+ cmap = *(Colormap *) args[1].addr;
+ color_name = (String) from->addr;
- /* 1 means glyph string must be drawn with 16-bit functions. */
- unsigned two_byte_p : 1;
+ if (strcmp (color_name, XtDefaultBackground) == 0)
+ {
+ *closure_ret = (XtPointer) False;
+ pixel = WhitePixelOfScreen (screen);
+ }
+ else if (strcmp (color_name, XtDefaultForeground) == 0)
+ {
+ *closure_ret = (XtPointer) False;
+ pixel = BlackPixelOfScreen (screen);
+ }
+ else if (XParseColor (dpy, cmap, color_name, &color)
+ && x_alloc_nearest_color_1 (dpy, cmap, &color))
+ {
+ pixel = color.pixel;
+ *closure_ret = (XtPointer) True;
+ }
+ else
+ {
+ String params[1];
+ Cardinal nparams = 1;
- /* 1 means that the original font determined for drawing this glyph
- string could not be loaded. The member `font' has been set to
- the frame's default font in this case. */
- unsigned font_not_found_p : 1;
+ params[0] = color_name;
+ XtAppWarningMsg (XtDisplayToApplicationContext (dpy),
+ "badValue", "cvt_string_to_pixel",
+ "XtToolkitError", "Invalid color `%s'",
+ params, &nparams);
+ return False;
+ }
- /* 1 means that the face in which this glyph string is drawn has a
- stipple pattern. */
- unsigned stippled_p : 1;
+ if (to->addr != NULL)
+ {
+ if (to->size < sizeof (Pixel))
+ {
+ to->size = sizeof (Pixel);
+ return False;
+ }
- /* 1 means only the foreground of this glyph string must be drawn,
- and we should use the physical height of the line this glyph
- string appears in as clip rect. */
- unsigned for_overlaps_p : 1;
+ *(Pixel *) to->addr = pixel;
+ }
+ else
+ {
+ cvt_string_to_pixel_value = pixel;
+ to->addr = (XtPointer) &cvt_string_to_pixel_value;
+ }
- /* The GC to use for drawing this glyph string. */
- GC gc;
+ to->size = sizeof (Pixel);
+ return True;
+}
- /* A pointer to the first glyph in the string. This glyph
- corresponds to char2b[0]. Needed to draw rectangles if
- font_not_found_p is 1. */
- struct glyph *first_glyph;
- /* Image, if any. */
- struct image *img;
+/* Free a pixel color which was previously allocated via
+ cvt_string_to_pixel. This is registered as the destructor
+ for this type of resource via XtSetTypeConverter.
- struct glyph_string *next, *prev;
-};
+ APP is the application context in which we work.
+ TO is a pointer to an XrmValue holding the color to free.
+ CLOSURE is the value we stored in CLOSURE_RET for this color
+ in cvt_string_to_pixel.
-#if GLYPH_DEBUG
+ ARGS and NARGS are like for cvt_string_to_pixel. */
static void
-x_dump_glyph_string (s)
- struct glyph_string *s;
+cvt_pixel_dtor (app, to, closure, args, nargs)
+ XtAppContext app;
+ XrmValuePtr to;
+ XtPointer closure;
+ XrmValuePtr args;
+ Cardinal *nargs;
{
- fprintf (stderr, "glyph string\n");
- fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n",
- s->x, s->y, s->width, s->height);
- fprintf (stderr, " ybase = %d\n", s->ybase);
- fprintf (stderr, " hl = %d\n", s->hl);
- fprintf (stderr, " left overhang = %d, right = %d\n",
- s->left_overhang, s->right_overhang);
- fprintf (stderr, " nchars = %d\n", s->nchars);
- fprintf (stderr, " extends to end of line = %d\n",
- s->extends_to_end_of_line_p);
- fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font));
- fprintf (stderr, " bg width = %d\n", s->background_width);
-}
-
-#endif /* GLYPH_DEBUG */
-
-
-
-static void x_append_glyph_string_lists P_ ((struct glyph_string **,
- struct glyph_string **,
- struct glyph_string *,
- struct glyph_string *));
-static void x_prepend_glyph_string_lists P_ ((struct glyph_string **,
- struct glyph_string **,
- struct glyph_string *,
- struct glyph_string *));
-static void x_append_glyph_string P_ ((struct glyph_string **,
- struct glyph_string **,
- struct glyph_string *));
-static int x_left_overwritten P_ ((struct glyph_string *));
-static int x_left_overwriting P_ ((struct glyph_string *));
-static int x_right_overwritten P_ ((struct glyph_string *));
-static int x_right_overwriting P_ ((struct glyph_string *));
-static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, int,
- int));
-static void x_init_glyph_string P_ ((struct glyph_string *,
- XChar2b *, struct window *,
- struct glyph_row *,
- enum glyph_row_area, int,
- enum draw_glyphs_face));
-static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *,
- enum glyph_row_area, int, int,
- enum draw_glyphs_face, int));
-static void x_set_glyph_string_clipping P_ ((struct glyph_string *));
-static void x_set_glyph_string_gc P_ ((struct glyph_string *));
-static void x_draw_glyph_string_background P_ ((struct glyph_string *,
- int));
-static void x_draw_glyph_string_foreground P_ ((struct glyph_string *));
-static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *));
-static void x_draw_glyph_string_box P_ ((struct glyph_string *));
-static void x_draw_glyph_string P_ ((struct glyph_string *));
-static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *));
-static void x_set_cursor_gc P_ ((struct glyph_string *));
-static void x_set_mode_line_face_gc P_ ((struct glyph_string *));
-static void x_set_mouse_face_gc P_ ((struct glyph_string *));
-static void x_get_glyph_overhangs P_ ((struct glyph *, struct frame *,
- int *, int *));
-static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int));
-static int x_alloc_lighter_color P_ ((struct frame *, Display *, Colormap,
- unsigned long *, double, int));
-static void x_setup_relief_color P_ ((struct frame *, struct relief *,
- double, int, unsigned long));
-static void x_setup_relief_colors P_ ((struct glyph_string *));
-static void x_draw_image_glyph_string P_ ((struct glyph_string *));
-static void x_draw_image_relief P_ ((struct glyph_string *));
-static void x_draw_image_foreground P_ ((struct glyph_string *));
-static void x_draw_image_foreground_1 P_ ((struct glyph_string *, Pixmap));
-static void x_fill_image_glyph_string P_ ((struct glyph_string *));
-static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int,
- int, int, int));
-static void x_draw_relief_rect P_ ((struct frame *, int, int, int, int,
- int, int, int, int, XRectangle *));
-static void x_draw_box_rect P_ ((struct glyph_string *, int, int, int, int,
- int, int, int, XRectangle *));
-static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *,
- enum glyph_row_area));
-static int x_fill_stretch_glyph_string P_ ((struct glyph_string *,
- struct glyph_row *,
- enum glyph_row_area, int, int));
+ if (*nargs != 2)
+ {
+ XtAppWarningMsg (app, "wrongParameters", "cvt_pixel_dtor",
+ "XtToolkitError",
+ "Screen and colormap arguments required",
+ NULL, NULL);
+ }
+ else if (closure != NULL)
+ {
+ /* We did allocate the pixel, so free it. */
+ Screen *screen = *(Screen **) args[0].addr;
+ Colormap cmap = *(Colormap *) args[1].addr;
+ x_free_dpy_colors (DisplayOfScreen (screen), screen, cmap,
+ (Pixel *) to->addr, 1);
+ }
+}
-#if GLYPH_DEBUG
-static void x_check_font P_ ((struct frame *, XFontStruct *));
-#endif
+#endif /* USE_X_TOOLKIT */
-/* Append the list of glyph strings with head H and tail T to the list
- with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */
-static INLINE void
-x_append_glyph_string_lists (head, tail, h, t)
- struct glyph_string **head, **tail;
- struct glyph_string *h, *t;
+/* Value is an array of XColor structures for the contents of the
+ color map of display DPY. Set *NCELLS to the size of the array.
+ Note that this probably shouldn't be called for large color maps,
+ say a 24-bit TrueColor map. */
+
+static const XColor *
+x_color_cells (dpy, ncells)
+ Display *dpy;
+ int *ncells;
{
- if (h)
+ struct x_display_info *dpyinfo = x_display_info_for_display (dpy);
+
+ if (dpyinfo->color_cells == NULL)
{
- if (*head)
- (*tail)->next = h;
- else
- *head = h;
- h->prev = *tail;
- *tail = t;
+ Screen *screen = dpyinfo->screen;
+ int i;
+
+ dpyinfo->ncolor_cells
+ = XDisplayCells (dpy, XScreenNumberOfScreen (screen));
+ dpyinfo->color_cells
+ = (XColor *) xmalloc (dpyinfo->ncolor_cells
+ * sizeof *dpyinfo->color_cells);
+
+ for (i = 0; i < dpyinfo->ncolor_cells; ++i)
+ dpyinfo->color_cells[i].pixel = i;
+
+ XQueryColors (dpy, dpyinfo->cmap,
+ dpyinfo->color_cells, dpyinfo->ncolor_cells);
}
+
+ *ncells = dpyinfo->ncolor_cells;
+ return dpyinfo->color_cells;
}
-/* Prepend the list of glyph strings with head H and tail T to the
- list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the
- result. */
+/* On frame F, translate pixel colors to RGB values for the NCOLORS
+ colors in COLORS. Use cached information, if available. */
-static INLINE void
-x_prepend_glyph_string_lists (head, tail, h, t)
- struct glyph_string **head, **tail;
- struct glyph_string *h, *t;
+void
+x_query_colors (f, colors, ncolors)
+ struct frame *f;
+ XColor *colors;
+ int ncolors;
{
- if (h)
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+
+ if (dpyinfo->color_cells)
{
- if (*head)
- (*head)->prev = t;
- else
- *tail = t;
- t->next = *head;
- *head = h;
+ int i;
+ for (i = 0; i < ncolors; ++i)
+ {
+ unsigned long pixel = colors[i].pixel;
+ xassert (pixel < dpyinfo->ncolor_cells);
+ xassert (dpyinfo->color_cells[pixel].pixel == pixel);
+ colors[i] = dpyinfo->color_cells[pixel];
+ }
}
+ else
+ XQueryColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), colors, ncolors);
}
-/* Append glyph string S to the list with head *HEAD and tail *TAIL.
- Set *HEAD and *TAIL to the resulting list. */
+/* On frame F, translate pixel color to RGB values for the color in
+ COLOR. Use cached information, if available. */
-static INLINE void
-x_append_glyph_string (head, tail, s)
- struct glyph_string **head, **tail;
- struct glyph_string *s;
+void
+x_query_color (f, color)
+ struct frame *f;
+ XColor *color;
{
- s->next = s->prev = NULL;
- x_append_glyph_string_lists (head, tail, s, s);
+ x_query_colors (f, color, 1);
}
-/* Set S->gc to a suitable GC for drawing glyph string S in cursor
- face. */
+/* Allocate the color COLOR->pixel on DISPLAY, colormap CMAP. If an
+ exact match can't be allocated, try the nearest color available.
+ Value is non-zero if successful. Set *COLOR to the color
+ allocated. */
-static void
-x_set_cursor_gc (s)
- struct glyph_string *s;
+static int
+x_alloc_nearest_color_1 (dpy, cmap, color)
+ Display *dpy;
+ Colormap cmap;
+ XColor *color;
{
- if (s->font == FRAME_FONT (s->f)
- && s->face->background == FRAME_BACKGROUND_PIXEL (s->f)
- && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f)
- && !s->cmp)
- s->gc = s->f->output_data.x->cursor_gc;
- else
- {
- /* Cursor on non-default face: must merge. */
- XGCValues xgcv;
- unsigned long mask;
-
- xgcv.background = s->f->output_data.x->cursor_pixel;
- xgcv.foreground = s->face->background;
+ int rc;
- /* If the glyph would be invisible, try a different foreground. */
- if (xgcv.foreground == xgcv.background)
- xgcv.foreground = s->face->foreground;
- if (xgcv.foreground == xgcv.background)
- xgcv.foreground = s->f->output_data.x->cursor_foreground_pixel;
- if (xgcv.foreground == xgcv.background)
- xgcv.foreground = s->face->foreground;
+ rc = XAllocColor (dpy, cmap, color);
+ if (rc == 0)
+ {
+ /* If we got to this point, the colormap is full, so we're going
+ to try to get the next closest color. The algorithm used is
+ a least-squares matching, which is what X uses for closest
+ color matching with StaticColor visuals. */
+ int nearest, i;
+ unsigned long nearest_delta = ~0;
+ int ncells;
+ const XColor *cells = x_color_cells (dpy, &ncells);
- /* Make sure the cursor is distinct from text in this face. */
- if (xgcv.background == s->face->background
- && xgcv.foreground == s->face->foreground)
+ for (nearest = i = 0; i < ncells; ++i)
{
- xgcv.background = s->face->foreground;
- xgcv.foreground = s->face->background;
- }
+ long dred = (color->red >> 8) - (cells[i].red >> 8);
+ long dgreen = (color->green >> 8) - (cells[i].green >> 8);
+ long dblue = (color->blue >> 8) - (cells[i].blue >> 8);
+ unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue;
- IF_DEBUG (x_check_font (s->f, s->font));
- xgcv.font = s->font->fid;
- xgcv.graphics_exposures = False;
- mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
+ if (delta < nearest_delta)
+ {
+ nearest = i;
+ nearest_delta = delta;
+ }
+ }
- if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc)
- XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc,
- mask, &xgcv);
- else
- FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc
- = XCreateGC (s->display, s->window, mask, &xgcv);
-
- s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc;
+ color->red = cells[nearest].red;
+ color->green = cells[nearest].green;
+ color->blue = cells[nearest].blue;
+ rc = XAllocColor (dpy, cmap, color);
}
-}
-
-
-/* Set up S->gc of glyph string S for drawing text in mouse face. */
-
-static void
-x_set_mouse_face_gc (s)
- struct glyph_string *s;
-{
- int face_id;
- struct face *face;
-
- /* What face has to be used last for the mouse face? */
- face_id = FRAME_X_DISPLAY_INFO (s->f)->mouse_face_face_id;
- face = FACE_FROM_ID (s->f, face_id);
- if (face == NULL)
- face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
-
- if (s->first_glyph->type == CHAR_GLYPH)
- face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch);
- else
- face_id = FACE_FOR_CHAR (s->f, face, 0);
- s->face = FACE_FROM_ID (s->f, face_id);
- PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
-
- /* If font in this face is same as S->font, use it. */
- if (s->font == s->face->font)
- s->gc = s->face->gc;
else
{
- /* Otherwise construct scratch_cursor_gc with values from FACE
- but font FONT. */
- XGCValues xgcv;
- unsigned long mask;
-
- xgcv.background = s->face->background;
- xgcv.foreground = s->face->foreground;
- IF_DEBUG (x_check_font (s->f, s->font));
- xgcv.font = s->font->fid;
- xgcv.graphics_exposures = False;
- mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
-
- if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc)
- XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc,
- mask, &xgcv);
- else
- FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc
- = XCreateGC (s->display, s->window, mask, &xgcv);
+ /* If allocation succeeded, and the allocated pixel color is not
+ equal to a cached pixel color recorded earlier, there was a
+ change in the colormap, so clear the color cache. */
+ struct x_display_info *dpyinfo = x_display_info_for_display (dpy);
+ XColor *cached_color;
- s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc;
+ if (dpyinfo->color_cells
+ && (cached_color = &dpyinfo->color_cells[color->pixel],
+ (cached_color->red != color->red
+ || cached_color->blue != color->blue
+ || cached_color->green != color->green)))
+ {
+ xfree (dpyinfo->color_cells);
+ dpyinfo->color_cells = NULL;
+ dpyinfo->ncolor_cells = 0;
+ }
}
- xassert (s->gc != 0);
+#ifdef DEBUG_X_COLORS
+ if (rc)
+ register_color (color->pixel);
+#endif /* DEBUG_X_COLORS */
+
+ return rc;
}
-/* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
- Faces to use in the mode line have already been computed when the
- matrix was built, so there isn't much to do, here. */
+/* Allocate the color COLOR->pixel on frame F, colormap CMAP. If an
+ exact match can't be allocated, try the nearest color available.
+ Value is non-zero if successful. Set *COLOR to the color
+ allocated. */
-static INLINE void
-x_set_mode_line_face_gc (s)
- struct glyph_string *s;
+int
+x_alloc_nearest_color (f, cmap, color)
+ struct frame *f;
+ Colormap cmap;
+ XColor *color;
{
- s->gc = s->face->gc;
+ gamma_correct (f, color);
+ return x_alloc_nearest_color_1 (FRAME_X_DISPLAY (f), cmap, color);
}
-/* Set S->gc of glyph string S for drawing that glyph string. Set
- S->stippled_p to a non-zero value if the face of S has a stipple
- pattern. */
+/* Allocate color PIXEL on frame F. PIXEL must already be allocated.
+ It's necessary to do this instead of just using PIXEL directly to
+ get color reference counts right. */
-static INLINE void
-x_set_glyph_string_gc (s)
- struct glyph_string *s;
+unsigned long
+x_copy_color (f, pixel)
+ struct frame *f;
+ unsigned long pixel;
{
- PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
-
- if (s->hl == DRAW_NORMAL_TEXT)
- {
- s->gc = s->face->gc;
- s->stippled_p = s->face->stipple != 0;
- }
- else if (s->hl == DRAW_INVERSE_VIDEO)
- {
- x_set_mode_line_face_gc (s);
- s->stippled_p = s->face->stipple != 0;
- }
- else if (s->hl == DRAW_CURSOR)
- {
- x_set_cursor_gc (s);
- s->stippled_p = 0;
- }
- else if (s->hl == DRAW_MOUSE_FACE)
- {
- x_set_mouse_face_gc (s);
- s->stippled_p = s->face->stipple != 0;
- }
- else if (s->hl == DRAW_IMAGE_RAISED
- || s->hl == DRAW_IMAGE_SUNKEN)
- {
- s->gc = s->face->gc;
- s->stippled_p = s->face->stipple != 0;
- }
- else
- {
- s->gc = s->face->gc;
- s->stippled_p = s->face->stipple != 0;
- }
+ XColor color;
- /* GC must have been set. */
- xassert (s->gc != 0);
+ color.pixel = pixel;
+ BLOCK_INPUT;
+ x_query_color (f, &color);
+ XAllocColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color);
+ UNBLOCK_INPUT;
+#ifdef DEBUG_X_COLORS
+ register_color (pixel);
+#endif
+ return color.pixel;
}
-/* Return in *R the clipping rectangle for glyph string S. */
+/* Allocate color PIXEL on display DPY. PIXEL must already be allocated.
+ It's necessary to do this instead of just using PIXEL directly to
+ get color reference counts right. */
-static void
-x_get_glyph_string_clip_rect (s, r)
- struct glyph_string *s;
- XRectangle *r;
+unsigned long
+x_copy_dpy_color (dpy, cmap, pixel)
+ Display *dpy;
+ Colormap cmap;
+ unsigned long pixel;
{
- if (s->row->full_width_p)
- {
- /* Draw full-width. X coordinates are relative to S->w->left. */
- int canon_x = CANON_X_UNIT (s->f);
-
- r->x = WINDOW_LEFT_MARGIN (s->w) * canon_x;
- r->width = XFASTINT (s->w->width) * canon_x;
-
- if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f))
- {
- int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x;
- if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f))
- r->x -= width;
- }
+ XColor color;
- r->x += FRAME_INTERNAL_BORDER_WIDTH (s->f);
+ color.pixel = pixel;
+ BLOCK_INPUT;
+ XQueryColor (dpy, cmap, &color);
+ XAllocColor (dpy, cmap, &color);
+ UNBLOCK_INPUT;
+#ifdef DEBUG_X_COLORS
+ register_color (pixel);
+#endif
+ return color.pixel;
+}
- /* Unless displaying a mode or menu bar line, which are always
- fully visible, clip to the visible part of the row. */
- if (s->w->pseudo_window_p)
- r->height = s->row->visible_height;
- else
- r->height = s->height;
- }
- else
- {
- /* This is a text line that may be partially visible. */
- r->x = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0);
- r->width = window_box_width (s->w, s->area);
- r->height = s->row->visible_height;
- }
- /* If S draws overlapping rows, it's sufficient to use the top and
- bottom of the window for clipping because this glyph string
- intentionally draws over other lines. */
- if (s->for_overlaps_p)
- {
- r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w);
- r->height = window_text_bottom_y (s->w) - r->y;
- }
- else
- {
- /* Don't use S->y for clipping because it doesn't take partially
- visible lines into account. For example, it can be negative for
- partially visible lines at the top of a window. */
- if (!s->row->full_width_p
- && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row))
- r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w);
- else
- r->y = max (0, s->row->y);
+/* Brightness beyond which a color won't have its highlight brightness
+ boosted.
- /* If drawing a tool-bar window, draw it over the internal border
- at the top of the window. */
- if (s->w == XWINDOW (s->f->tool_bar_window))
- r->y -= s->f->output_data.x->internal_border_width;
- }
+ Nominally, highlight colors for `3d' faces are calculated by
+ brightening an object's color by a constant scale factor, but this
+ doesn't yield good results for dark colors, so for colors who's
+ brightness is less than this value (on a scale of 0-65535) have an
+ use an additional additive factor.
- r->y = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->y);
-}
+ The value here is set so that the default menu-bar/mode-line color
+ (grey75) will not have its highlights changed at all. */
+#define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 48000
-/* Set clipping for output of glyph string S. S may be part of a mode
- line or menu if we don't have X toolkit support. */
+/* Allocate a color which is lighter or darker than *PIXEL by FACTOR
+ or DELTA. Try a color with RGB values multiplied by FACTOR first.
+ If this produces the same color as PIXEL, try a color where all RGB
+ values have DELTA added. Return the allocated color in *PIXEL.
+ DISPLAY is the X display, CMAP is the colormap to operate on.
+ Value is non-zero if successful. */
-static INLINE void
-x_set_glyph_string_clipping (s)
- struct glyph_string *s;
+static int
+x_alloc_lighter_color (f, display, cmap, pixel, factor, delta)
+ struct frame *f;
+ Display *display;
+ Colormap cmap;
+ unsigned long *pixel;
+ double factor;
+ int delta;
{
- XRectangle r;
- x_get_glyph_string_clip_rect (s, &r);
- XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted);
-}
-
-
-/* Compute left and right overhang of glyph string S. If S is a glyph
- string for a composition, assume overhangs don't exist. */
+ XColor color, new;
+ long bright;
+ int success_p;
-static INLINE void
-x_compute_glyph_string_overhangs (s)
- struct glyph_string *s;
-{
- if (s->cmp == NULL
- && s->first_glyph->type == CHAR_GLYPH)
- {
- XCharStruct cs;
- int direction, font_ascent, font_descent;
- XTextExtents16 (s->font, s->char2b, s->nchars, &direction,
- &font_ascent, &font_descent, &cs);
- s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0;
- s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0;
- }
-}
+ /* Get RGB color values. */
+ color.pixel = *pixel;
+ x_query_color (f, &color);
+ /* Change RGB values by specified FACTOR. Avoid overflow! */
+ xassert (factor >= 0);
+ new.red = min (0xffff, factor * color.red);
+ new.green = min (0xffff, factor * color.green);
+ new.blue = min (0xffff, factor * color.blue);
-/* Compute overhangs and x-positions for glyph string S and its
- predecessors, or successors. X is the starting x-position for S.
- BACKWARD_P non-zero means process predecessors. */
+ /* Calculate brightness of COLOR. */
+ bright = (2 * color.red + 3 * color.green + color.blue) / 6;
-static void
-x_compute_overhangs_and_x (s, x, backward_p)
- struct glyph_string *s;
- int x;
- int backward_p;
-{
- if (backward_p)
+ /* We only boost colors that are darker than
+ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
+ if (bright < HIGHLIGHT_COLOR_DARK_BOOST_LIMIT)
+ /* Make an additive adjustment to NEW, because it's dark enough so
+ that scaling by FACTOR alone isn't enough. */
{
- while (s)
+ /* How far below the limit this color is (0 - 1, 1 being darker). */
+ double dimness = 1 - (double)bright / HIGHLIGHT_COLOR_DARK_BOOST_LIMIT;
+ /* The additive adjustment. */
+ int min_delta = delta * dimness * factor / 2;
+
+ if (factor < 1)
+ {
+ new.red = max (0, new.red - min_delta);
+ new.green = max (0, new.green - min_delta);
+ new.blue = max (0, new.blue - min_delta);
+ }
+ else
{
- x_compute_glyph_string_overhangs (s);
- x -= s->width;
- s->x = x;
- s = s->prev;
+ new.red = min (0xffff, min_delta + new.red);
+ new.green = min (0xffff, min_delta + new.green);
+ new.blue = min (0xffff, min_delta + new.blue);
}
}
- else
+
+ /* Try to allocate the color. */
+ success_p = x_alloc_nearest_color (f, cmap, &new);
+ if (success_p)
{
- while (s)
+ if (new.pixel == *pixel)
{
- x_compute_glyph_string_overhangs (s);
- s->x = x;
- x += s->width;
- s = s->next;
+ /* If we end up with the same color as before, try adding
+ delta to the RGB values. */
+ x_free_colors (f, &new.pixel, 1);
+
+ new.red = min (0xffff, delta + color.red);
+ new.green = min (0xffff, delta + color.green);
+ new.blue = min (0xffff, delta + color.blue);
+ success_p = x_alloc_nearest_color (f, cmap, &new);
}
+ else
+ success_p = 1;
+ *pixel = new.pixel;
}
+
+ return success_p;
}
-/* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on
- frame F. Overhangs of glyphs other than type CHAR_GLYPH are
- assumed to be zero. */
+/* Set up the foreground color for drawing relief lines of glyph
+ string S. RELIEF is a pointer to a struct relief containing the GC
+ with which lines will be drawn. Use a color that is FACTOR or
+ DELTA lighter or darker than the relief's background which is found
+ in S->f->output_data.x->relief_background. If such a color cannot
+ be allocated, use DEFAULT_PIXEL, instead. */
static void
-x_get_glyph_overhangs (glyph, f, left, right)
- struct glyph *glyph;
+x_setup_relief_color (f, relief, factor, delta, default_pixel)
struct frame *f;
- int *left, *right;
+ struct relief *relief;
+ double factor;
+ int delta;
+ unsigned long default_pixel;
{
- *left = *right = 0;
+ XGCValues xgcv;
+ struct x_output *di = f->output_data.x;
+ unsigned long mask = GCForeground | GCLineWidth | GCGraphicsExposures;
+ unsigned long pixel;
+ unsigned long background = di->relief_background;
+ Colormap cmap = FRAME_X_COLORMAP (f);
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ Display *dpy = FRAME_X_DISPLAY (f);
- if (glyph->type == CHAR_GLYPH)
- {
- XFontStruct *font;
- struct face *face;
- struct font_info *font_info;
- XChar2b char2b;
- XCharStruct *pcm;
+ xgcv.graphics_exposures = False;
+ xgcv.line_width = 1;
- face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL);
- font = face->font;
- font_info = FONT_INFO_FROM_ID (f, face->font_info_id);
- if (font
- && (pcm = x_per_char_metric (font, &char2b)))
- {
- if (pcm->rbearing > pcm->width)
- *right = pcm->rbearing - pcm->width;
- if (pcm->lbearing < 0)
- *left = -pcm->lbearing;
- }
+ /* Free previously allocated color. The color cell will be reused
+ when it has been freed as many times as it was allocated, so this
+ doesn't affect faces using the same colors. */
+ if (relief->gc
+ && relief->allocated_p)
+ {
+ x_free_colors (f, &relief->pixel, 1);
+ relief->allocated_p = 0;
}
-}
-
-
-/* Return the index of the first glyph preceding glyph string S that
- is overwritten by S because of S's left overhang. Value is -1
- if no glyphs are overwritten. */
-
-static int
-x_left_overwritten (s)
- struct glyph_string *s;
-{
- int k;
- if (s->left_overhang)
+ /* Allocate new color. */
+ xgcv.foreground = default_pixel;
+ pixel = background;
+ if (dpyinfo->n_planes != 1
+ && x_alloc_lighter_color (f, dpy, cmap, &pixel, factor, delta))
{
- int x = 0, i;
- struct glyph *glyphs = s->row->glyphs[s->area];
- int first = s->first_glyph - glyphs;
-
- for (i = first - 1; i >= 0 && x > -s->left_overhang; --i)
- x -= glyphs[i].pixel_width;
+ relief->allocated_p = 1;
+ xgcv.foreground = relief->pixel = pixel;
+ }
- k = i + 1;
+ if (relief->gc == 0)
+ {
+ xgcv.stipple = dpyinfo->gray;
+ mask |= GCStipple;
+ relief->gc = XCreateGC (dpy, FRAME_X_WINDOW (f), mask, &xgcv);
}
else
- k = -1;
-
- return k;
+ XChangeGC (dpy, relief->gc, mask, &xgcv);
}
-/* Return the index of the first glyph preceding glyph string S that
- is overwriting S because of its right overhang. Value is -1 if no
- glyph in front of S overwrites S. */
+/* Set up colors for the relief lines around glyph string S. */
-static int
-x_left_overwriting (s)
+static void
+x_setup_relief_colors (s)
struct glyph_string *s;
{
- int i, k, x;
- struct glyph *glyphs = s->row->glyphs[s->area];
- int first = s->first_glyph - glyphs;
+ struct x_output *di = s->f->output_data.x;
+ unsigned long color;
- k = -1;
- x = 0;
- for (i = first - 1; i >= 0; --i)
+ if (s->face->use_box_color_for_shadows_p)
+ color = s->face->box_color;
+ else if (s->first_glyph->type == IMAGE_GLYPH
+ && s->img->pixmap
+ && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0))
+ color = IMAGE_BACKGROUND (s->img, s->f, 0);
+ else
{
- int left, right;
- x_get_glyph_overhangs (glyphs + i, s->f, &left, &right);
- if (x + right > 0)
- k = i;
- x -= glyphs[i].pixel_width;
+ XGCValues xgcv;
+
+ /* Get the background color of the face. */
+ XGetGCValues (s->display, s->gc, GCBackground, &xgcv);
+ color = xgcv.background;
}
- return k;
+ if (di->white_relief.gc == 0
+ || color != di->relief_background)
+ {
+ di->relief_background = color;
+ x_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000,
+ WHITE_PIX_DEFAULT (s->f));
+ x_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000,
+ BLACK_PIX_DEFAULT (s->f));
+ }
}
-/* Return the index of the last glyph following glyph string S that is
- not overwritten by S because of S's right overhang. Value is -1 if
- no such glyph is found. */
+/* Draw a relief on frame F inside the rectangle given by LEFT_X,
+ TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
+ to draw, it must be >= 0. RAISED_P non-zero means draw a raised
+ relief. LEFT_P non-zero means draw a relief on the left side of
+ the rectangle. RIGHT_P non-zero means draw a relief on the right
+ side of the rectangle. CLIP_RECT is the clipping rectangle to use
+ when drawing. */
-static int
-x_right_overwritten (s)
- struct glyph_string *s;
+static void
+x_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width,
+ raised_p, left_p, right_p, clip_rect)
+ struct frame *f;
+ int left_x, top_y, right_x, bottom_y, width, left_p, right_p, raised_p;
+ XRectangle *clip_rect;
{
- int k = -1;
+ Display *dpy = FRAME_X_DISPLAY (f);
+ Window window = FRAME_X_WINDOW (f);
+ int i;
+ GC gc;
- if (s->right_overhang)
- {
- int x = 0, i;
- struct glyph *glyphs = s->row->glyphs[s->area];
- int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars);
- int end = s->row->used[s->area];
+ if (raised_p)
+ gc = f->output_data.x->white_relief.gc;
+ else
+ gc = f->output_data.x->black_relief.gc;
+ XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted);
+
+ /* Top. */
+ for (i = 0; i < width; ++i)
+ XDrawLine (dpy, window, gc,
+ left_x + i * left_p, top_y + i,
+ right_x + 1 - i * right_p, top_y + i);
- for (i = first; i < end && s->right_overhang > x; ++i)
- x += glyphs[i].pixel_width;
+ /* Left. */
+ if (left_p)
+ for (i = 0; i < width; ++i)
+ XDrawLine (dpy, window, gc,
+ left_x + i, top_y + i, left_x + i, bottom_y - i + 1);
- k = i;
- }
+ XSetClipMask (dpy, gc, None);
+ if (raised_p)
+ gc = f->output_data.x->black_relief.gc;
+ else
+ gc = f->output_data.x->white_relief.gc;
+ XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted);
+
+ /* Bottom. */
+ for (i = 0; i < width; ++i)
+ XDrawLine (dpy, window, gc,
+ left_x + i * left_p, bottom_y - i,
+ right_x + 1 - i * right_p, bottom_y - i);
+
+ /* Right. */
+ if (right_p)
+ for (i = 0; i < width; ++i)
+ XDrawLine (dpy, window, gc,
+ right_x - i, top_y + i + 1, right_x - i, bottom_y - i);
- return k;
+ XSetClipMask (dpy, gc, None);
}
-/* Return the index of the last glyph following glyph string S that
- overwrites S because of its left overhang. Value is negative
- if no such glyph is found. */
+/* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
+ RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
+ draw, it must be >= 0. LEFT_P non-zero means draw a line on the
+ left side of the rectangle. RIGHT_P non-zero means draw a line
+ on the right side of the rectangle. CLIP_RECT is the clipping
+ rectangle to use when drawing. */
-static int
-x_right_overwriting (s)
+static void
+x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width,
+ left_p, right_p, clip_rect)
struct glyph_string *s;
+ int left_x, top_y, right_x, bottom_y, width, left_p, right_p;
+ XRectangle *clip_rect;
{
- int i, k, x;
- int end = s->row->used[s->area];
- struct glyph *glyphs = s->row->glyphs[s->area];
- int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars);
+ XGCValues xgcv;
- k = -1;
- x = 0;
- for (i = first; i < end; ++i)
- {
- int left, right;
- x_get_glyph_overhangs (glyphs + i, s->f, &left, &right);
- if (x - left < 0)
- k = i;
- x += glyphs[i].pixel_width;
- }
+ XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
+ XSetForeground (s->display, s->gc, s->face->box_color);
+ XSetClipRectangles (s->display, s->gc, 0, 0, clip_rect, 1, Unsorted);
- return k;
-}
+ /* Top. */
+ XFillRectangle (s->display, s->window, s->gc,
+ left_x, top_y, right_x - left_x + 1, width);
+ /* Left. */
+ if (left_p)
+ XFillRectangle (s->display, s->window, s->gc,
+ left_x, top_y, width, bottom_y - top_y + 1);
-/* Fill rectangle X, Y, W, H with background color of glyph string S. */
+ /* Bottom. */
+ XFillRectangle (s->display, s->window, s->gc,
+ left_x, bottom_y - width + 1, right_x - left_x + 1, width);
+
+ /* Right. */
+ if (right_p)
+ XFillRectangle (s->display, s->window, s->gc,
+ right_x - width + 1, top_y, width, bottom_y - top_y + 1);
-static INLINE void
-x_clear_glyph_string_rect (s, x, y, w, h)
- struct glyph_string *s;
- int x, y, w, h;
-{
- XGCValues xgcv;
- XGetGCValues (s->display, s->gc, GCForeground | GCBackground, &xgcv);
- XSetForeground (s->display, s->gc, xgcv.background);
- XFillRectangle (s->display, s->window, s->gc, x, y, w, h);
XSetForeground (s->display, s->gc, xgcv.foreground);
+ XSetClipMask (s->display, s->gc, None);
}
-/* Draw the background of glyph_string S. If S->background_filled_p
- is non-zero don't draw it. FORCE_P non-zero means draw the
- background even if it wouldn't be drawn normally. This is used
- when a string preceding S draws into the background of S, or S
- contains the first component of a composition. */
+/* Draw a box around glyph string S. */
static void
-x_draw_glyph_string_background (s, force_p)
+x_draw_glyph_string_box (s)
struct glyph_string *s;
- int force_p;
{
- /* Nothing to do if background has already been drawn or if it
- shouldn't be drawn in the first place. */
- if (!s->background_filled_p)
+ int width, left_x, right_x, top_y, bottom_y, last_x, raised_p;
+ int left_p, right_p;
+ struct glyph *last_glyph;
+ XRectangle clip_rect;
+
+ last_x = window_box_right (s->w, s->area);
+ if (s->row->full_width_p
+ && !s->w->pseudo_window_p)
{
- int box_line_width = max (s->face->box_line_width, 0);
+ last_x += FRAME_X_RIGHT_FRINGE_WIDTH (s->f);
+ if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f))
+ last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f);
+ }
- if (s->stippled_p)
- {
- /* Fill background with a stipple pattern. */
- XSetFillStyle (s->display, s->gc, FillOpaqueStippled);
- XFillRectangle (s->display, s->window, s->gc, s->x,
- s->y + box_line_width,
- s->background_width,
- s->height - 2 * box_line_width);
- XSetFillStyle (s->display, s->gc, FillSolid);
- s->background_filled_p = 1;
- }
- else if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
- || s->font_not_found_p
- || s->extends_to_end_of_line_p
- || force_p)
- {
- x_clear_glyph_string_rect (s, s->x, s->y + box_line_width,
- s->background_width,
- s->height - 2 * box_line_width);
- s->background_filled_p = 1;
- }
+ /* The glyph that may have a right box line. */
+ last_glyph = (s->cmp || s->img
+ ? s->first_glyph
+ : s->first_glyph + s->nchars - 1);
+
+ width = abs (s->face->box_line_width);
+ raised_p = s->face->box == FACE_RAISED_BOX;
+ left_x = s->x;
+ right_x = (s->row->full_width_p && s->extends_to_end_of_line_p
+ ? last_x - 1
+ : min (last_x, s->x + s->background_width) - 1);
+ top_y = s->y;
+ bottom_y = top_y + s->height - 1;
+
+ left_p = (s->first_glyph->left_box_line_p
+ || (s->hl == DRAW_MOUSE_FACE
+ && (s->prev == NULL
+ || s->prev->hl != s->hl)));
+ right_p = (last_glyph->right_box_line_p
+ || (s->hl == DRAW_MOUSE_FACE
+ && (s->next == NULL
+ || s->next->hl != s->hl)));
+
+ get_glyph_string_clip_rect (s, &clip_rect);
+
+ if (s->face->box == FACE_SIMPLE_BOX)
+ x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width,
+ left_p, right_p, &clip_rect);
+ else
+ {
+ x_setup_relief_colors (s);
+ x_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y,
+ width, raised_p, left_p, right_p, &clip_rect);
}
}
-/* Draw the foreground of glyph string S. */
+/* Draw foreground of image glyph string S. */
static void
-x_draw_glyph_string_foreground (s)
+x_draw_image_foreground (s)
struct glyph_string *s;
{
- int i, x;
+ int x;
+ int y = s->ybase - image_ascent (s->img, s->face);
- /* If first glyph of S has a left box line, start drawing the text
- of S to the right of that box line. */
+ /* If first glyph of S has a left box line, start drawing it to the
+ right of that line. */
if (s->face->box != FACE_NO_BOX
&& s->first_glyph->left_box_line_p)
x = s->x + abs (s->face->box_line_width);
else
x = s->x;
- /* Draw characters of S as rectangles if S's font could not be
- loaded. */
- if (s->font_not_found_p)
+ /* If there is a margin around the image, adjust x- and y-position
+ by that margin. */
+ x += s->img->hmargin;
+ y += s->img->vmargin;
+
+ if (s->img->pixmap)
{
- for (i = 0; i < s->nchars; ++i)
+ if (s->img->mask)
{
- struct glyph *g = s->first_glyph + i;
- XDrawRectangle (s->display, s->window,
- s->gc, x, s->y, g->pixel_width - 1,
- s->height - 1);
- x += g->pixel_width;
- }
- }
- else
- {
- char *char1b = (char *) s->char2b;
- int boff = s->font_info->baseline_offset;
-
- if (s->font_info->vertical_centering)
- boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff;
+ /* We can't set both a clip mask and use XSetClipRectangles
+ because the latter also sets a clip mask. We also can't
+ trust on the shape extension to be available
+ (XShapeCombineRegion). So, compute the rectangle to draw
+ manually. */
+ unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin
+ | GCFunction);
+ XGCValues xgcv;
+ XRectangle clip_rect, image_rect, r;
- /* If we can use 8-bit functions, condense S->char2b. */
- if (!s->two_byte_p)
- for (i = 0; i < s->nchars; ++i)
- char1b[i] = s->char2b[i].byte2;
+ xgcv.clip_mask = s->img->mask;
+ xgcv.clip_x_origin = x;
+ xgcv.clip_y_origin = y;
+ xgcv.function = GXcopy;
+ XChangeGC (s->display, s->gc, mask, &xgcv);
- /* Draw text with XDrawString if background has already been
- filled. Otherwise, use XDrawImageString. (Note that
- XDrawImageString is usually faster than XDrawString.) Always
- use XDrawImageString when drawing the cursor so that there is
- no chance that characters under a box cursor are invisible. */
- if (s->for_overlaps_p
- || (s->background_filled_p && s->hl != DRAW_CURSOR))
- {
- /* Draw characters with 16-bit or 8-bit functions. */
- if (s->two_byte_p)
- XDrawString16 (s->display, s->window, s->gc, x,
- s->ybase - boff, s->char2b, s->nchars);
- else
- XDrawString (s->display, s->window, s->gc, x,
- s->ybase - boff, char1b, s->nchars);
+ get_glyph_string_clip_rect (s, &clip_rect);
+ image_rect.x = x;
+ image_rect.y = y;
+ image_rect.width = s->img->width;
+ image_rect.height = s->img->height;
+ if (x_intersect_rectangles (&clip_rect, &image_rect, &r))
+ XCopyArea (s->display, s->img->pixmap, s->window, s->gc,
+ r.x - x, r.y - y, r.width, r.height, r.x, r.y);
}
else
{
- if (s->two_byte_p)
- XDrawImageString16 (s->display, s->window, s->gc, x,
- s->ybase - boff, s->char2b, s->nchars);
- else
- XDrawImageString (s->display, s->window, s->gc, x,
- s->ybase - boff, char1b, s->nchars);
- }
+ XRectangle clip_rect, image_rect, r;
- if (s->face->overstrike)
- {
- /* For overstriking (to simulate bold-face), draw the
- characters again shifted to the right by one pixel. */
- if (s->two_byte_p)
- XDrawString16 (s->display, s->window, s->gc, x + 1,
- s->ybase - boff, s->char2b, s->nchars);
- else
- XDrawString (s->display, s->window, s->gc, x + 1,
- s->ybase - boff, char1b, s->nchars);
+ get_glyph_string_clip_rect (s, &clip_rect);
+ image_rect.x = x;
+ image_rect.y = y;
+ image_rect.width = s->img->width;
+ image_rect.height = s->img->height;
+ if (x_intersect_rectangles (&clip_rect, &image_rect, &r))
+ XCopyArea (s->display, s->img->pixmap, s->window, s->gc,
+ r.x - x, r.y - y, r.width, r.height, r.x, r.y);
+
+ /* When the image has a mask, we can expect that at
+ least part of a mouse highlight or a block cursor will
+ be visible. If the image doesn't have a mask, make
+ a block cursor visible by drawing a rectangle around
+ the image. I believe it's looking better if we do
+ nothing here for mouse-face. */
+ if (s->hl == DRAW_CURSOR)
+ {
+ int r = s->img->relief;
+ if (r < 0) r = -r;
+ XDrawRectangle (s->display, s->window, s->gc, x - r, y - r,
+ s->img->width + r*2 - 1, s->img->height + r*2 - 1);
+ }
}
}
+ else
+ /* Draw a rectangle if image could not be loaded. */
+ XDrawRectangle (s->display, s->window, s->gc, x, y,
+ s->img->width - 1, s->img->height - 1);
}
-/* Draw the foreground of composite glyph string S. */
+
+/* Draw a relief around the image glyph string S. */
static void
-x_draw_composite_glyph_string_foreground (s)
+x_draw_image_relief (s)
struct glyph_string *s;
{
- int i, x;
+ int x0, y0, x1, y1, thick, raised_p;
+ XRectangle r;
+ int x;
+ int y = s->ybase - image_ascent (s->img, s->face);
- /* If first glyph of S has a left box line, start drawing the text
- of S to the right of that box line. */
+ /* If first glyph of S has a left box line, start drawing it to the
+ right of that line. */
if (s->face->box != FACE_NO_BOX
&& s->first_glyph->left_box_line_p)
x = s->x + abs (s->face->box_line_width);
else
x = s->x;
- /* S is a glyph string for a composition. S->gidx is the index of
- the first character drawn for glyphs of this composition.
- S->gidx == 0 means we are drawing the very first character of
- this composition. */
+ /* If there is a margin around the image, adjust x- and y-position
+ by that margin. */
+ x += s->img->hmargin;
+ y += s->img->vmargin;
- /* Draw a rectangle for the composition if the font for the very
- first character of the composition could not be loaded. */
- if (s->font_not_found_p)
+ if (s->hl == DRAW_IMAGE_SUNKEN
+ || s->hl == DRAW_IMAGE_RAISED)
{
- if (s->gidx == 0)
- XDrawRectangle (s->display, s->window, s->gc, x, s->y,
- s->width - 1, s->height - 1);
+ thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
+ raised_p = s->hl == DRAW_IMAGE_RAISED;
}
else
{
- for (i = 0; i < s->nchars; i++, ++s->gidx)
- {
- XDrawString16 (s->display, s->window, s->gc,
- x + s->cmp->offsets[s->gidx * 2],
- s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
- s->char2b + i, 1);
- if (s->face->overstrike)
- XDrawString16 (s->display, s->window, s->gc,
- x + s->cmp->offsets[s->gidx * 2] + 1,
- s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
- s->char2b + i, 1);
- }
+ thick = abs (s->img->relief);
+ raised_p = s->img->relief > 0;
}
-}
-
-#ifdef USE_X_TOOLKIT
+ x0 = x - thick;
+ y0 = y - thick;
+ x1 = x + s->img->width + thick - 1;
+ y1 = y + s->img->height + thick - 1;
-static struct frame *x_frame_of_widget P_ ((Widget));
-static Boolean cvt_string_to_pixel P_ ((Display *, XrmValue *, Cardinal *,
- XrmValue *, XrmValue *, XtPointer *));
-static void cvt_pixel_dtor P_ ((XtAppContext, XrmValue *, XtPointer,
- XrmValue *, Cardinal *));
+ x_setup_relief_colors (s);
+ get_glyph_string_clip_rect (s, &r);
+ x_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r);
+}
-/* Return the frame on which widget WIDGET is used.. Abort if frame
- cannot be determined. */
+/* Draw the foreground of image glyph string S to PIXMAP. */
-static struct frame *
-x_frame_of_widget (widget)
- Widget widget;
+static void
+x_draw_image_foreground_1 (s, pixmap)
+ struct glyph_string *s;
+ Pixmap pixmap;
{
- struct x_display_info *dpyinfo;
- Lisp_Object tail;
- struct frame *f;
-
- dpyinfo = x_display_info_for_display (XtDisplay (widget));
+ int x;
+ int y = s->ybase - s->y - image_ascent (s->img, s->face);
- /* Find the top-level shell of the widget. Note that this function
- can be called when the widget is not yet realized, so XtWindow
- (widget) == 0. That's the reason we can't simply use
- x_any_window_to_frame. */
- while (!XtIsTopLevelShell (widget))
- widget = XtParent (widget);
+ /* If first glyph of S has a left box line, start drawing it to the
+ right of that line. */
+ if (s->face->box != FACE_NO_BOX
+ && s->first_glyph->left_box_line_p)
+ x = abs (s->face->box_line_width);
+ else
+ x = 0;
- /* Look for a frame with that top-level widget. Allocate the color
- on that frame to get the right gamma correction value. */
- for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
- if (GC_FRAMEP (XCAR (tail))
- && (f = XFRAME (XCAR (tail)),
- (f->output_data.nothing != 1
- && FRAME_X_DISPLAY_INFO (f) == dpyinfo))
- && f->output_data.x->widget == widget)
- return f;
-
- abort ();
-}
-
-
-/* Allocate the color COLOR->pixel on the screen and display of
- widget WIDGET in colormap CMAP. If an exact match cannot be
- allocated, try the nearest color available. Value is non-zero
- if successful. This is called from lwlib. */
-
-int
-x_alloc_nearest_color_for_widget (widget, cmap, color)
- Widget widget;
- Colormap cmap;
- XColor *color;
-{
- struct frame *f = x_frame_of_widget (widget);
- return x_alloc_nearest_color (f, cmap, color);
-}
-
-
-/* Allocate a color which is lighter or darker than *PIXEL by FACTOR
- or DELTA. Try a color with RGB values multiplied by FACTOR first.
- If this produces the same color as PIXEL, try a color where all RGB
- values have DELTA added. Return the allocated color in *PIXEL.
- DISPLAY is the X display, CMAP is the colormap to operate on.
- Value is non-zero if successful. */
-
-int
-x_alloc_lighter_color_for_widget (widget, display, cmap, pixel, factor, delta)
- Widget widget;
- Display *display;
- Colormap cmap;
- unsigned long *pixel;
- double factor;
- int delta;
-{
- struct frame *f = x_frame_of_widget (widget);
- return x_alloc_lighter_color (f, display, cmap, pixel, factor, delta);
-}
-
-
-/* Structure specifying which arguments should be passed by Xt to
- cvt_string_to_pixel. We want the widget's screen and colormap. */
-
-static XtConvertArgRec cvt_string_to_pixel_args[] =
- {
- {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.screen),
- sizeof (Screen *)},
- {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.colormap),
- sizeof (Colormap)}
- };
-
-
-/* The address of this variable is returned by
- cvt_string_to_pixel. */
-
-static Pixel cvt_string_to_pixel_value;
-
-
-/* Convert a color name to a pixel color.
-
- DPY is the display we are working on.
-
- ARGS is an array of *NARGS XrmValue structures holding additional
- information about the widget for which the conversion takes place.
- The contents of this array are determined by the specification
- in cvt_string_to_pixel_args.
-
- FROM is a pointer to an XrmValue which points to the color name to
- convert. TO is an XrmValue in which to return the pixel color.
-
- CLOSURE_RET is a pointer to user-data, in which we record if
- we allocated the color or not.
-
- Value is True if successful, False otherwise. */
-
-static Boolean
-cvt_string_to_pixel (dpy, args, nargs, from, to, closure_ret)
- Display *dpy;
- XrmValue *args;
- Cardinal *nargs;
- XrmValue *from, *to;
- XtPointer *closure_ret;
-{
- Screen *screen;
- Colormap cmap;
- Pixel pixel;
- String color_name;
- XColor color;
-
- if (*nargs != 2)
- {
- XtAppWarningMsg (XtDisplayToApplicationContext (dpy),
- "wrongParameters", "cvt_string_to_pixel",
- "XtToolkitError",
- "Screen and colormap args required", NULL, NULL);
- return False;
- }
-
- screen = *(Screen **) args[0].addr;
- cmap = *(Colormap *) args[1].addr;
- color_name = (String) from->addr;
-
- if (strcmp (color_name, XtDefaultBackground) == 0)
- {
- *closure_ret = (XtPointer) False;
- pixel = WhitePixelOfScreen (screen);
- }
- else if (strcmp (color_name, XtDefaultForeground) == 0)
- {
- *closure_ret = (XtPointer) False;
- pixel = BlackPixelOfScreen (screen);
- }
- else if (XParseColor (dpy, cmap, color_name, &color)
- && x_alloc_nearest_color_1 (dpy, cmap, &color))
- {
- pixel = color.pixel;
- *closure_ret = (XtPointer) True;
- }
- else
- {
- String params[1];
- Cardinal nparams = 1;
-
- params[0] = color_name;
- XtAppWarningMsg (XtDisplayToApplicationContext (dpy),
- "badValue", "cvt_string_to_pixel",
- "XtToolkitError", "Invalid color `%s'",
- params, &nparams);
- return False;
- }
-
- if (to->addr != NULL)
- {
- if (to->size < sizeof (Pixel))
- {
- to->size = sizeof (Pixel);
- return False;
- }
-
- *(Pixel *) to->addr = pixel;
- }
- else
- {
- cvt_string_to_pixel_value = pixel;
- to->addr = (XtPointer) &cvt_string_to_pixel_value;
- }
-
- to->size = sizeof (Pixel);
- return True;
-}
-
-
-/* Free a pixel color which was previously allocated via
- cvt_string_to_pixel. This is registered as the destructor
- for this type of resource via XtSetTypeConverter.
-
- APP is the application context in which we work.
-
- TO is a pointer to an XrmValue holding the color to free.
- CLOSURE is the value we stored in CLOSURE_RET for this color
- in cvt_string_to_pixel.
-
- ARGS and NARGS are like for cvt_string_to_pixel. */
-
-static void
-cvt_pixel_dtor (app, to, closure, args, nargs)
- XtAppContext app;
- XrmValuePtr to;
- XtPointer closure;
- XrmValuePtr args;
- Cardinal *nargs;
-{
- if (*nargs != 2)
- {
- XtAppWarningMsg (app, "wrongParameters", "cvt_pixel_dtor",
- "XtToolkitError",
- "Screen and colormap arguments required",
- NULL, NULL);
- }
- else if (closure != NULL)
- {
- /* We did allocate the pixel, so free it. */
- Screen *screen = *(Screen **) args[0].addr;
- Colormap cmap = *(Colormap *) args[1].addr;
- x_free_dpy_colors (DisplayOfScreen (screen), screen, cmap,
- (Pixel *) to->addr, 1);
- }
-}
-
-
-#endif /* USE_X_TOOLKIT */
-
-
-/* Value is an array of XColor structures for the contents of the
- color map of display DPY. Set *NCELLS to the size of the array.
- Note that this probably shouldn't be called for large color maps,
- say a 24-bit TrueColor map. */
-
-static const XColor *
-x_color_cells (dpy, ncells)
- Display *dpy;
- int *ncells;
-{
- struct x_display_info *dpyinfo = x_display_info_for_display (dpy);
-
- if (dpyinfo->color_cells == NULL)
- {
- Screen *screen = dpyinfo->screen;
- int i;
-
- dpyinfo->ncolor_cells
- = XDisplayCells (dpy, XScreenNumberOfScreen (screen));
- dpyinfo->color_cells
- = (XColor *) xmalloc (dpyinfo->ncolor_cells
- * sizeof *dpyinfo->color_cells);
-
- for (i = 0; i < dpyinfo->ncolor_cells; ++i)
- dpyinfo->color_cells[i].pixel = i;
-
- XQueryColors (dpy, dpyinfo->cmap,
- dpyinfo->color_cells, dpyinfo->ncolor_cells);
- }
-
- *ncells = dpyinfo->ncolor_cells;
- return dpyinfo->color_cells;
-}
-
-
-/* On frame F, translate pixel colors to RGB values for the NCOLORS
- colors in COLORS. Use cached information, if available. */
-
-void
-x_query_colors (f, colors, ncolors)
- struct frame *f;
- XColor *colors;
- int ncolors;
-{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
-
- if (dpyinfo->color_cells)
- {
- int i;
- for (i = 0; i < ncolors; ++i)
- {
- unsigned long pixel = colors[i].pixel;
- xassert (pixel < dpyinfo->ncolor_cells);
- xassert (dpyinfo->color_cells[pixel].pixel == pixel);
- colors[i] = dpyinfo->color_cells[pixel];
- }
- }
- else
- XQueryColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), colors, ncolors);
-}
-
-
-/* On frame F, translate pixel color to RGB values for the color in
- COLOR. Use cached information, if available. */
-
-void
-x_query_color (f, color)
- struct frame *f;
- XColor *color;
-{
- x_query_colors (f, color, 1);
-}
-
-
-/* Allocate the color COLOR->pixel on DISPLAY, colormap CMAP. If an
- exact match can't be allocated, try the nearest color available.
- Value is non-zero if successful. Set *COLOR to the color
- allocated. */
-
-static int
-x_alloc_nearest_color_1 (dpy, cmap, color)
- Display *dpy;
- Colormap cmap;
- XColor *color;
-{
- int rc;
-
- rc = XAllocColor (dpy, cmap, color);
- if (rc == 0)
- {
- /* If we got to this point, the colormap is full, so we're going
- to try to get the next closest color. The algorithm used is
- a least-squares matching, which is what X uses for closest
- color matching with StaticColor visuals. */
- int nearest, i;
- unsigned long nearest_delta = ~0;
- int ncells;
- const XColor *cells = x_color_cells (dpy, &ncells);
-
- for (nearest = i = 0; i < ncells; ++i)
- {
- long dred = (color->red >> 8) - (cells[i].red >> 8);
- long dgreen = (color->green >> 8) - (cells[i].green >> 8);
- long dblue = (color->blue >> 8) - (cells[i].blue >> 8);
- unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue;
-
- if (delta < nearest_delta)
- {
- nearest = i;
- nearest_delta = delta;
- }
- }
-
- color->red = cells[nearest].red;
- color->green = cells[nearest].green;
- color->blue = cells[nearest].blue;
- rc = XAllocColor (dpy, cmap, color);
- }
- else
- {
- /* If allocation succeeded, and the allocated pixel color is not
- equal to a cached pixel color recorded earlier, there was a
- change in the colormap, so clear the color cache. */
- struct x_display_info *dpyinfo = x_display_info_for_display (dpy);
- XColor *cached_color;
-
- if (dpyinfo->color_cells
- && (cached_color = &dpyinfo->color_cells[color->pixel],
- (cached_color->red != color->red
- || cached_color->blue != color->blue
- || cached_color->green != color->green)))
- {
- xfree (dpyinfo->color_cells);
- dpyinfo->color_cells = NULL;
- dpyinfo->ncolor_cells = 0;
- }
- }
-
-#ifdef DEBUG_X_COLORS
- if (rc)
- register_color (color->pixel);
-#endif /* DEBUG_X_COLORS */
-
- return rc;
-}
-
-
-/* Allocate the color COLOR->pixel on frame F, colormap CMAP. If an
- exact match can't be allocated, try the nearest color available.
- Value is non-zero if successful. Set *COLOR to the color
- allocated. */
-
-int
-x_alloc_nearest_color (f, cmap, color)
- struct frame *f;
- Colormap cmap;
- XColor *color;
-{
- gamma_correct (f, color);
- return x_alloc_nearest_color_1 (FRAME_X_DISPLAY (f), cmap, color);
-}
-
-
-/* Allocate color PIXEL on frame F. PIXEL must already be allocated.
- It's necessary to do this instead of just using PIXEL directly to
- get color reference counts right. */
-
-unsigned long
-x_copy_color (f, pixel)
- struct frame *f;
- unsigned long pixel;
-{
- XColor color;
-
- color.pixel = pixel;
- BLOCK_INPUT;
- x_query_color (f, &color);
- XAllocColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color);
- UNBLOCK_INPUT;
-#ifdef DEBUG_X_COLORS
- register_color (pixel);
-#endif
- return color.pixel;
-}
-
-
-/* Allocate color PIXEL on display DPY. PIXEL must already be allocated.
- It's necessary to do this instead of just using PIXEL directly to
- get color reference counts right. */
-
-unsigned long
-x_copy_dpy_color (dpy, cmap, pixel)
- Display *dpy;
- Colormap cmap;
- unsigned long pixel;
-{
- XColor color;
-
- color.pixel = pixel;
- BLOCK_INPUT;
- XQueryColor (dpy, cmap, &color);
- XAllocColor (dpy, cmap, &color);
- UNBLOCK_INPUT;
-#ifdef DEBUG_X_COLORS
- register_color (pixel);
-#endif
- return color.pixel;
-}
-
-
-/* Brightness beyond which a color won't have its highlight brightness
- boosted.
-
- Nominally, highlight colors for `3d' faces are calculated by
- brightening an object's color by a constant scale factor, but this
- doesn't yield good results for dark colors, so for colors who's
- brightness is less than this value (on a scale of 0-65535) have an
- use an additional additive factor.
-
- The value here is set so that the default menu-bar/mode-line color
- (grey75) will not have its highlights changed at all. */
-#define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 48000
-
-
-/* Allocate a color which is lighter or darker than *PIXEL by FACTOR
- or DELTA. Try a color with RGB values multiplied by FACTOR first.
- If this produces the same color as PIXEL, try a color where all RGB
- values have DELTA added. Return the allocated color in *PIXEL.
- DISPLAY is the X display, CMAP is the colormap to operate on.
- Value is non-zero if successful. */
-
-static int
-x_alloc_lighter_color (f, display, cmap, pixel, factor, delta)
- struct frame *f;
- Display *display;
- Colormap cmap;
- unsigned long *pixel;
- double factor;
- int delta;
-{
- XColor color, new;
- long bright;
- int success_p;
-
- /* Get RGB color values. */
- color.pixel = *pixel;
- x_query_color (f, &color);
-
- /* Change RGB values by specified FACTOR. Avoid overflow! */
- xassert (factor >= 0);
- new.red = min (0xffff, factor * color.red);
- new.green = min (0xffff, factor * color.green);
- new.blue = min (0xffff, factor * color.blue);
-
- /* Calculate brightness of COLOR. */
- bright = (2 * color.red + 3 * color.green + color.blue) / 6;
-
- /* We only boost colors that are darker than
- HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
- if (bright < HIGHLIGHT_COLOR_DARK_BOOST_LIMIT)
- /* Make an additive adjustment to NEW, because it's dark enough so
- that scaling by FACTOR alone isn't enough. */
- {
- /* How far below the limit this color is (0 - 1, 1 being darker). */
- double dimness = 1 - (double)bright / HIGHLIGHT_COLOR_DARK_BOOST_LIMIT;
- /* The additive adjustment. */
- int min_delta = delta * dimness * factor / 2;
-
- if (factor < 1)
- {
- new.red = max (0, new.red - min_delta);
- new.green = max (0, new.green - min_delta);
- new.blue = max (0, new.blue - min_delta);
- }
- else
- {
- new.red = min (0xffff, min_delta + new.red);
- new.green = min (0xffff, min_delta + new.green);
- new.blue = min (0xffff, min_delta + new.blue);
- }
- }
-
- /* Try to allocate the color. */
- success_p = x_alloc_nearest_color (f, cmap, &new);
- if (success_p)
- {
- if (new.pixel == *pixel)
- {
- /* If we end up with the same color as before, try adding
- delta to the RGB values. */
- x_free_colors (f, &new.pixel, 1);
-
- new.red = min (0xffff, delta + color.red);
- new.green = min (0xffff, delta + color.green);
- new.blue = min (0xffff, delta + color.blue);
- success_p = x_alloc_nearest_color (f, cmap, &new);
- }
- else
- success_p = 1;
- *pixel = new.pixel;
- }
-
- return success_p;
-}
-
-
-/* Set up the foreground color for drawing relief lines of glyph
- string S. RELIEF is a pointer to a struct relief containing the GC
- with which lines will be drawn. Use a color that is FACTOR or
- DELTA lighter or darker than the relief's background which is found
- in S->f->output_data.x->relief_background. If such a color cannot
- be allocated, use DEFAULT_PIXEL, instead. */
-
-static void
-x_setup_relief_color (f, relief, factor, delta, default_pixel)
- struct frame *f;
- struct relief *relief;
- double factor;
- int delta;
- unsigned long default_pixel;
-{
- XGCValues xgcv;
- struct x_output *di = f->output_data.x;
- unsigned long mask = GCForeground | GCLineWidth | GCGraphicsExposures;
- unsigned long pixel;
- unsigned long background = di->relief_background;
- Colormap cmap = FRAME_X_COLORMAP (f);
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- Display *dpy = FRAME_X_DISPLAY (f);
-
- xgcv.graphics_exposures = False;
- xgcv.line_width = 1;
-
- /* Free previously allocated color. The color cell will be reused
- when it has been freed as many times as it was allocated, so this
- doesn't affect faces using the same colors. */
- if (relief->gc
- && relief->allocated_p)
- {
- x_free_colors (f, &relief->pixel, 1);
- relief->allocated_p = 0;
- }
-
- /* Allocate new color. */
- xgcv.foreground = default_pixel;
- pixel = background;
- if (dpyinfo->n_planes != 1
- && x_alloc_lighter_color (f, dpy, cmap, &pixel, factor, delta))
- {
- relief->allocated_p = 1;
- xgcv.foreground = relief->pixel = pixel;
- }
-
- if (relief->gc == 0)
- {
- xgcv.stipple = dpyinfo->gray;
- mask |= GCStipple;
- relief->gc = XCreateGC (dpy, FRAME_X_WINDOW (f), mask, &xgcv);
- }
- else
- XChangeGC (dpy, relief->gc, mask, &xgcv);
-}
-
-
-/* Set up colors for the relief lines around glyph string S. */
-
-static void
-x_setup_relief_colors (s)
- struct glyph_string *s;
-{
- struct x_output *di = s->f->output_data.x;
- unsigned long color;
-
- if (s->face->use_box_color_for_shadows_p)
- color = s->face->box_color;
- else if (s->first_glyph->type == IMAGE_GLYPH
- && s->img->pixmap
- && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0))
- color = IMAGE_BACKGROUND (s->img, s->f, 0);
- else
- {
- XGCValues xgcv;
-
- /* Get the background color of the face. */
- XGetGCValues (s->display, s->gc, GCBackground, &xgcv);
- color = xgcv.background;
- }
-
- if (di->white_relief.gc == 0
- || color != di->relief_background)
- {
- di->relief_background = color;
- x_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000,
- WHITE_PIX_DEFAULT (s->f));
- x_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000,
- BLACK_PIX_DEFAULT (s->f));
- }
-}
-
-
-/* Draw a relief on frame F inside the rectangle given by LEFT_X,
- TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
- to draw, it must be >= 0. RAISED_P non-zero means draw a raised
- relief. LEFT_P non-zero means draw a relief on the left side of
- the rectangle. RIGHT_P non-zero means draw a relief on the right
- side of the rectangle. CLIP_RECT is the clipping rectangle to use
- when drawing. */
-
-static void
-x_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width,
- raised_p, left_p, right_p, clip_rect)
- struct frame *f;
- int left_x, top_y, right_x, bottom_y, width, left_p, right_p, raised_p;
- XRectangle *clip_rect;
-{
- Display *dpy = FRAME_X_DISPLAY (f);
- Window window = FRAME_X_WINDOW (f);
- int i;
- GC gc;
-
- if (raised_p)
- gc = f->output_data.x->white_relief.gc;
- else
- gc = f->output_data.x->black_relief.gc;
- XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted);
-
- /* Top. */
- for (i = 0; i < width; ++i)
- XDrawLine (dpy, window, gc,
- left_x + i * left_p, top_y + i,
- right_x + 1 - i * right_p, top_y + i);
-
- /* Left. */
- if (left_p)
- for (i = 0; i < width; ++i)
- XDrawLine (dpy, window, gc,
- left_x + i, top_y + i, left_x + i, bottom_y - i + 1);
-
- XSetClipMask (dpy, gc, None);
- if (raised_p)
- gc = f->output_data.x->black_relief.gc;
- else
- gc = f->output_data.x->white_relief.gc;
- XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted);
-
- /* Bottom. */
- for (i = 0; i < width; ++i)
- XDrawLine (dpy, window, gc,
- left_x + i * left_p, bottom_y - i,
- right_x + 1 - i * right_p, bottom_y - i);
-
- /* Right. */
- if (right_p)
- for (i = 0; i < width; ++i)
- XDrawLine (dpy, window, gc,
- right_x - i, top_y + i + 1, right_x - i, bottom_y - i);
-
- XSetClipMask (dpy, gc, None);
-}
-
-
-/* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
- RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
- draw, it must be >= 0. LEFT_P non-zero means draw a line on the
- left side of the rectangle. RIGHT_P non-zero means draw a line
- on the right side of the rectangle. CLIP_RECT is the clipping
- rectangle to use when drawing. */
-
-static void
-x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width,
- left_p, right_p, clip_rect)
- struct glyph_string *s;
- int left_x, top_y, right_x, bottom_y, width, left_p, right_p;
- XRectangle *clip_rect;
-{
- XGCValues xgcv;
-
- XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
- XSetForeground (s->display, s->gc, s->face->box_color);
- XSetClipRectangles (s->display, s->gc, 0, 0, clip_rect, 1, Unsorted);
-
- /* Top. */
- XFillRectangle (s->display, s->window, s->gc,
- left_x, top_y, right_x - left_x + 1, width);
-
- /* Left. */
- if (left_p)
- XFillRectangle (s->display, s->window, s->gc,
- left_x, top_y, width, bottom_y - top_y + 1);
-
- /* Bottom. */
- XFillRectangle (s->display, s->window, s->gc,
- left_x, bottom_y - width + 1, right_x - left_x + 1, width);
-
- /* Right. */
- if (right_p)
- XFillRectangle (s->display, s->window, s->gc,
- right_x - width + 1, top_y, width, bottom_y - top_y + 1);
-
- XSetForeground (s->display, s->gc, xgcv.foreground);
- XSetClipMask (s->display, s->gc, None);
-}
-
-
-/* Draw a box around glyph string S. */
-
-static void
-x_draw_glyph_string_box (s)
- struct glyph_string *s;
-{
- int width, left_x, right_x, top_y, bottom_y, last_x, raised_p;
- int left_p, right_p;
- struct glyph *last_glyph;
- XRectangle clip_rect;
-
- last_x = window_box_right (s->w, s->area);
- if (s->row->full_width_p
- && !s->w->pseudo_window_p)
- {
- last_x += FRAME_X_RIGHT_FRINGE_WIDTH (s->f);
- if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f))
- last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f);
- }
-
- /* The glyph that may have a right box line. */
- last_glyph = (s->cmp || s->img
- ? s->first_glyph
- : s->first_glyph + s->nchars - 1);
-
- width = abs (s->face->box_line_width);
- raised_p = s->face->box == FACE_RAISED_BOX;
- left_x = s->x;
- right_x = (s->row->full_width_p && s->extends_to_end_of_line_p
- ? last_x - 1
- : min (last_x, s->x + s->background_width) - 1);
- top_y = s->y;
- bottom_y = top_y + s->height - 1;
-
- left_p = (s->first_glyph->left_box_line_p
- || (s->hl == DRAW_MOUSE_FACE
- && (s->prev == NULL
- || s->prev->hl != s->hl)));
- right_p = (last_glyph->right_box_line_p
- || (s->hl == DRAW_MOUSE_FACE
- && (s->next == NULL
- || s->next->hl != s->hl)));
-
- x_get_glyph_string_clip_rect (s, &clip_rect);
-
- if (s->face->box == FACE_SIMPLE_BOX)
- x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width,
- left_p, right_p, &clip_rect);
- else
- {
- x_setup_relief_colors (s);
- x_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y,
- width, raised_p, left_p, right_p, &clip_rect);
- }
-}
-
-
-/* Draw foreground of image glyph string S. */
-
-static void
-x_draw_image_foreground (s)
- struct glyph_string *s;
-{
- int x;
- int y = s->ybase - image_ascent (s->img, s->face);
-
- /* If first glyph of S has a left box line, start drawing it to the
- right of that line. */
- if (s->face->box != FACE_NO_BOX
- && s->first_glyph->left_box_line_p)
- x = s->x + abs (s->face->box_line_width);
- else
- x = s->x;
-
- /* If there is a margin around the image, adjust x- and y-position
- by that margin. */
- x += s->img->hmargin;
- y += s->img->vmargin;
-
- if (s->img->pixmap)
- {
- if (s->img->mask)
- {
- /* We can't set both a clip mask and use XSetClipRectangles
- because the latter also sets a clip mask. We also can't
- trust on the shape extension to be available
- (XShapeCombineRegion). So, compute the rectangle to draw
- manually. */
- unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin
- | GCFunction);
- XGCValues xgcv;
- XRectangle clip_rect, image_rect, r;
-
- xgcv.clip_mask = s->img->mask;
- xgcv.clip_x_origin = x;
- xgcv.clip_y_origin = y;
- xgcv.function = GXcopy;
- XChangeGC (s->display, s->gc, mask, &xgcv);
-
- x_get_glyph_string_clip_rect (s, &clip_rect);
- image_rect.x = x;
- image_rect.y = y;
- image_rect.width = s->img->width;
- image_rect.height = s->img->height;
- if (x_intersect_rectangles (&clip_rect, &image_rect, &r))
- XCopyArea (s->display, s->img->pixmap, s->window, s->gc,
- r.x - x, r.y - y, r.width, r.height, r.x, r.y);
- }
- else
- {
- XRectangle clip_rect, image_rect, r;
-
- x_get_glyph_string_clip_rect (s, &clip_rect);
- image_rect.x = x;
- image_rect.y = y;
- image_rect.width = s->img->width;
- image_rect.height = s->img->height;
- if (x_intersect_rectangles (&clip_rect, &image_rect, &r))
- XCopyArea (s->display, s->img->pixmap, s->window, s->gc,
- r.x - x, r.y - y, r.width, r.height, r.x, r.y);
-
- /* When the image has a mask, we can expect that at
- least part of a mouse highlight or a block cursor will
- be visible. If the image doesn't have a mask, make
- a block cursor visible by drawing a rectangle around
- the image. I believe it's looking better if we do
- nothing here for mouse-face. */
- if (s->hl == DRAW_CURSOR)
- {
- int r = s->img->relief;
- if (r < 0) r = -r;
- XDrawRectangle (s->display, s->window, s->gc, x - r, y - r,
- s->img->width + r*2 - 1, s->img->height + r*2 - 1);
- }
- }
- }
- else
- /* Draw a rectangle if image could not be loaded. */
- XDrawRectangle (s->display, s->window, s->gc, x, y,
- s->img->width - 1, s->img->height - 1);
-}
-
-
-/* Draw a relief around the image glyph string S. */
-
-static void
-x_draw_image_relief (s)
- struct glyph_string *s;
-{
- int x0, y0, x1, y1, thick, raised_p;
- XRectangle r;
- int x;
- int y = s->ybase - image_ascent (s->img, s->face);
-
- /* If first glyph of S has a left box line, start drawing it to the
- right of that line. */
- if (s->face->box != FACE_NO_BOX
- && s->first_glyph->left_box_line_p)
- x = s->x + abs (s->face->box_line_width);
- else
- x = s->x;
-
- /* If there is a margin around the image, adjust x- and y-position
- by that margin. */
- x += s->img->hmargin;
- y += s->img->vmargin;
-
- if (s->hl == DRAW_IMAGE_SUNKEN
- || s->hl == DRAW_IMAGE_RAISED)
- {
- thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
- raised_p = s->hl == DRAW_IMAGE_RAISED;
- }
- else
- {
- thick = abs (s->img->relief);
- raised_p = s->img->relief > 0;
- }
-
- x0 = x - thick;
- y0 = y - thick;
- x1 = x + s->img->width + thick - 1;
- y1 = y + s->img->height + thick - 1;
-
- x_setup_relief_colors (s);
- x_get_glyph_string_clip_rect (s, &r);
- x_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r);
-}
-
-
-/* Draw the foreground of image glyph string S to PIXMAP. */
-
-static void
-x_draw_image_foreground_1 (s, pixmap)
- struct glyph_string *s;
- Pixmap pixmap;
-{
- int x;
- int y = s->ybase - s->y - image_ascent (s->img, s->face);
-
- /* If first glyph of S has a left box line, start drawing it to the
- right of that line. */
- if (s->face->box != FACE_NO_BOX
- && s->first_glyph->left_box_line_p)
- x = abs (s->face->box_line_width);
- else
- x = 0;
-
- /* If there is a margin around the image, adjust x- and y-position
- by that margin. */
- x += s->img->hmargin;
- y += s->img->vmargin;
-
- if (s->img->pixmap)
- {
- if (s->img->mask)
- {
- /* We can't set both a clip mask and use XSetClipRectangles
- because the latter also sets a clip mask. We also can't
- trust on the shape extension to be available
- (XShapeCombineRegion). So, compute the rectangle to draw
- manually. */
- unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin
- | GCFunction);
- XGCValues xgcv;
-
- xgcv.clip_mask = s->img->mask;
- xgcv.clip_x_origin = x;
- xgcv.clip_y_origin = y;
- xgcv.function = GXcopy;
- XChangeGC (s->display, s->gc, mask, &xgcv);
-
- XCopyArea (s->display, s->img->pixmap, pixmap, s->gc,
- 0, 0, s->img->width, s->img->height, x, y);
- XSetClipMask (s->display, s->gc, None);
- }
- else
- {
- XCopyArea (s->display, s->img->pixmap, pixmap, s->gc,
- 0, 0, s->img->width, s->img->height, x, y);
-
- /* When the image has a mask, we can expect that at
- least part of a mouse highlight or a block cursor will
- be visible. If the image doesn't have a mask, make
- a block cursor visible by drawing a rectangle around
- the image. I believe it's looking better if we do
- nothing here for mouse-face. */
- if (s->hl == DRAW_CURSOR)
- {
- int r = s->img->relief;
- if (r < 0) r = -r;
- XDrawRectangle (s->display, s->window, s->gc, x - r, y - r,
- s->img->width + r*2 - 1, s->img->height + r*2 - 1);
- }
- }
- }
- else
- /* Draw a rectangle if image could not be loaded. */
- XDrawRectangle (s->display, pixmap, s->gc, x, y,
- s->img->width - 1, s->img->height - 1);
-}
-
-
-/* Draw part of the background of glyph string S. X, Y, W, and H
- give the rectangle to draw. */
-
-static void
-x_draw_glyph_string_bg_rect (s, x, y, w, h)
- struct glyph_string *s;
- int x, y, w, h;
-{
- if (s->stippled_p)
- {
- /* Fill background with a stipple pattern. */
- XSetFillStyle (s->display, s->gc, FillOpaqueStippled);
- XFillRectangle (s->display, s->window, s->gc, x, y, w, h);
- XSetFillStyle (s->display, s->gc, FillSolid);
- }
- else
- x_clear_glyph_string_rect (s, x, y, w, h);
-}
-
-
-/* Draw image glyph string S.
-
- s->y
- s->x +-------------------------
- | s->face->box
- |
- | +-------------------------
- | | s->img->margin
- | |
- | | +-------------------
- | | | the image
-
- */
-
-static void
-x_draw_image_glyph_string (s)
- struct glyph_string *s;
-{
- int x, y;
- int box_line_hwidth = abs (s->face->box_line_width);
- int box_line_vwidth = max (s->face->box_line_width, 0);
- int height;
- Pixmap pixmap = None;
-
- height = s->height - 2 * box_line_vwidth;
-
-
- /* Fill background with face under the image. Do it only if row is
- taller than image or if image has a clip mask to reduce
- flickering. */
- s->stippled_p = s->face->stipple != 0;
- if (height > s->img->height
- || s->img->hmargin
- || s->img->vmargin
- || s->img->mask
- || s->img->pixmap == 0
- || s->width != s->background_width)
- {
- if (box_line_hwidth && s->first_glyph->left_box_line_p)
- x = s->x + box_line_hwidth;
- else
- x = s->x;
-
- y = s->y + box_line_vwidth;
-
- if (s->img->mask)
- {
- /* Create a pixmap as large as the glyph string. Fill it
- with the background color. Copy the image to it, using
- its mask. Copy the temporary pixmap to the display. */
- Screen *screen = FRAME_X_SCREEN (s->f);
- int depth = DefaultDepthOfScreen (screen);
-
- /* Create a pixmap as large as the glyph string. */
- pixmap = XCreatePixmap (s->display, s->window,
- s->background_width,
- s->height, depth);
-
- /* Don't clip in the following because we're working on the
- pixmap. */
- XSetClipMask (s->display, s->gc, None);
-
- /* Fill the pixmap with the background color/stipple. */
- if (s->stippled_p)
- {
- /* Fill background with a stipple pattern. */
- XSetFillStyle (s->display, s->gc, FillOpaqueStippled);
- XFillRectangle (s->display, pixmap, s->gc,
- 0, 0, s->background_width, s->height);
- XSetFillStyle (s->display, s->gc, FillSolid);
- }
- else
- {
- XGCValues xgcv;
- XGetGCValues (s->display, s->gc, GCForeground | GCBackground,
- &xgcv);
- XSetForeground (s->display, s->gc, xgcv.background);
- XFillRectangle (s->display, pixmap, s->gc,
- 0, 0, s->background_width, s->height);
- XSetForeground (s->display, s->gc, xgcv.foreground);
- }
- }
- else
- x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height);
-
- s->background_filled_p = 1;
- }
-
- /* Draw the foreground. */
- if (pixmap != None)
- {
- x_draw_image_foreground_1 (s, pixmap);
- x_set_glyph_string_clipping (s);
- XCopyArea (s->display, pixmap, s->window, s->gc,
- 0, 0, s->background_width, s->height, s->x, s->y);
- XFreePixmap (s->display, pixmap);
- }
- else
- x_draw_image_foreground (s);
-
- /* If we must draw a relief around the image, do it. */
- if (s->img->relief
- || s->hl == DRAW_IMAGE_RAISED
- || s->hl == DRAW_IMAGE_SUNKEN)
- x_draw_image_relief (s);
-}
-
-
-/* Draw stretch glyph string S. */
-
-static void
-x_draw_stretch_glyph_string (s)
- struct glyph_string *s;
-{
- xassert (s->first_glyph->type == STRETCH_GLYPH);
- s->stippled_p = s->face->stipple != 0;
-
- if (s->hl == DRAW_CURSOR
- && !x_stretch_cursor_p)
- {
- /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
- as wide as the stretch glyph. */
- int width = min (CANON_X_UNIT (s->f), s->background_width);
-
- /* Draw cursor. */
- x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height);
-
- /* Clear rest using the GC of the original non-cursor face. */
- if (width < s->background_width)
- {
- int x = s->x + width, y = s->y;
- int w = s->background_width - width, h = s->height;
- XRectangle r;
- GC gc;
-
- if (s->row->mouse_face_p
- && cursor_in_mouse_face_p (s->w))
- {
- x_set_mouse_face_gc (s);
- gc = s->gc;
- }
- else
- gc = s->face->gc;
-
- x_get_glyph_string_clip_rect (s, &r);
- XSetClipRectangles (s->display, gc, 0, 0, &r, 1, Unsorted);
-
- if (s->face->stipple)
- {
- /* Fill background with a stipple pattern. */
- XSetFillStyle (s->display, gc, FillOpaqueStippled);
- XFillRectangle (s->display, s->window, gc, x, y, w, h);
- XSetFillStyle (s->display, gc, FillSolid);
- }
- else
- {
- XGCValues xgcv;
- XGetGCValues (s->display, gc, GCForeground | GCBackground, &xgcv);
- XSetForeground (s->display, gc, xgcv.background);
- XFillRectangle (s->display, s->window, gc, x, y, w, h);
- XSetForeground (s->display, gc, xgcv.foreground);
- }
- }
- }
- else if (!s->background_filled_p)
- x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width,
- s->height);
-
- s->background_filled_p = 1;
-}
-
-
-/* Draw glyph string S. */
-
-static void
-x_draw_glyph_string (s)
- struct glyph_string *s;
-{
- int relief_drawn_p = 0;
-
- /* If S draws into the background of its successor, draw the
- background of the successor first so that S can draw into it.
- This makes S->next use XDrawString instead of XDrawImageString. */
- if (s->next && s->right_overhang && !s->for_overlaps_p)
- {
- xassert (s->next->img == NULL);
- x_set_glyph_string_gc (s->next);
- x_set_glyph_string_clipping (s->next);
- x_draw_glyph_string_background (s->next, 1);
- }
-
- /* Set up S->gc, set clipping and draw S. */
- x_set_glyph_string_gc (s);
-
- /* Draw relief (if any) in advance for char/composition so that the
- glyph string can be drawn over it. */
- if (!s->for_overlaps_p
- && s->face->box != FACE_NO_BOX
- && (s->first_glyph->type == CHAR_GLYPH
- || s->first_glyph->type == COMPOSITE_GLYPH))
-
- {
- x_set_glyph_string_clipping (s);
- x_draw_glyph_string_background (s, 1);
- x_draw_glyph_string_box (s);
- x_set_glyph_string_clipping (s);
- relief_drawn_p = 1;
- }
- else
- x_set_glyph_string_clipping (s);
-
- switch (s->first_glyph->type)
- {
- case IMAGE_GLYPH:
- x_draw_image_glyph_string (s);
- break;
-
- case STRETCH_GLYPH:
- x_draw_stretch_glyph_string (s);
- break;
-
- case CHAR_GLYPH:
- if (s->for_overlaps_p)
- s->background_filled_p = 1;
- else
- x_draw_glyph_string_background (s, 0);
- x_draw_glyph_string_foreground (s);
- break;
-
- case COMPOSITE_GLYPH:
- if (s->for_overlaps_p || s->gidx > 0)
- s->background_filled_p = 1;
- else
- x_draw_glyph_string_background (s, 1);
- x_draw_composite_glyph_string_foreground (s);
- break;
-
- default:
- abort ();
- }
-
- if (!s->for_overlaps_p)
- {
- /* Draw underline. */
- if (s->face->underline_p)
- {
- unsigned long tem, h;
- int y;
-
- /* Get the underline thickness. Default is 1 pixel. */
- if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h))
- h = 1;
-
- /* Get the underline position. This is the recommended
- vertical offset in pixels from the baseline to the top of
- the underline. This is a signed value according to the
- specs, and its default is
-
- ROUND ((maximum descent) / 2), with
- ROUND(x) = floor (x + 0.5) */
-
- if (x_use_underline_position_properties
- && XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &tem))
- y = s->ybase + (long) tem;
- else if (s->face->font)
- y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2;
- else
- y = s->y + s->height - h;
-
- if (s->face->underline_defaulted_p)
- XFillRectangle (s->display, s->window, s->gc,
- s->x, y, s->width, h);
- else
- {
- XGCValues xgcv;
- XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
- XSetForeground (s->display, s->gc, s->face->underline_color);
- XFillRectangle (s->display, s->window, s->gc,
- s->x, y, s->width, h);
- XSetForeground (s->display, s->gc, xgcv.foreground);
- }
- }
-
- /* Draw overline. */
- if (s->face->overline_p)
- {
- unsigned long dy = 0, h = 1;
-
- if (s->face->overline_color_defaulted_p)
- XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
- s->width, h);
- else
- {
- XGCValues xgcv;
- XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
- XSetForeground (s->display, s->gc, s->face->overline_color);
- XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
- s->width, h);
- XSetForeground (s->display, s->gc, xgcv.foreground);
- }
- }
-
- /* Draw strike-through. */
- if (s->face->strike_through_p)
- {
- unsigned long h = 1;
- unsigned long dy = (s->height - h) / 2;
-
- if (s->face->strike_through_color_defaulted_p)
- XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
- s->width, h);
- else
- {
- XGCValues xgcv;
- XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
- XSetForeground (s->display, s->gc, s->face->strike_through_color);
- XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
- s->width, h);
- XSetForeground (s->display, s->gc, xgcv.foreground);
- }
- }
-
- /* Draw relief if not yet drawn. */
- if (!relief_drawn_p && s->face->box != FACE_NO_BOX)
- x_draw_glyph_string_box (s);
- }
-
- /* Reset clipping. */
- XSetClipMask (s->display, s->gc, None);
-}
-
-
-static int x_fill_composite_glyph_string P_ ((struct glyph_string *,
- struct face **, int));
-
-
-/* Fill glyph string S with composition components specified by S->cmp.
-
- FACES is an array of faces for all components of this composition.
- S->gidx is the index of the first component for S.
- OVERLAPS_P non-zero means S should draw the foreground only, and
- use its physical height for clipping.
-
- Value is the index of a component not in S. */
-
-static int
-x_fill_composite_glyph_string (s, faces, overlaps_p)
- struct glyph_string *s;
- struct face **faces;
- int overlaps_p;
-{
- int i;
-
- xassert (s);
-
- s->for_overlaps_p = overlaps_p;
-
- s->face = faces[s->gidx];
- s->font = s->face->font;
- s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id);
-
- /* For all glyphs of this composition, starting at the offset
- S->gidx, until we reach the end of the definition or encounter a
- glyph that requires the different face, add it to S. */
- ++s->nchars;
- for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i)
- ++s->nchars;
-
- /* All glyph strings for the same composition has the same width,
- i.e. the width set for the first component of the composition. */
-
- s->width = s->first_glyph->pixel_width;
-
- /* If the specified font could not be loaded, use the frame's
- default font, but record the fact that we couldn't load it in
- the glyph string so that we can draw rectangles for the
- characters of the glyph string. */
- if (s->font == NULL)
- {
- s->font_not_found_p = 1;
- s->font = FRAME_FONT (s->f);
- }
-
- /* Adjust base line for subscript/superscript text. */
- s->ybase += s->first_glyph->voffset;
-
- xassert (s->face && s->face->gc);
-
- /* This glyph string must always be drawn with 16-bit functions. */
- s->two_byte_p = 1;
-
- return s->gidx + s->nchars;
-}
-
-
-/* Fill glyph string S from a sequence of character glyphs.
-
- FACE_ID is the face id of the string. START is the index of the
- first glyph to consider, END is the index of the last + 1.
- OVERLAPS_P non-zero means S should draw the foreground only, and
- use its physical height for clipping.
-
- Value is the index of the first glyph not in S. */
-
-static int
-x_fill_glyph_string (s, face_id, start, end, overlaps_p)
- struct glyph_string *s;
- int face_id;
- int start, end, overlaps_p;
-{
- struct glyph *glyph, *last;
- int voffset;
- int glyph_not_available_p;
-
- xassert (s->f == XFRAME (s->w->frame));
- xassert (s->nchars == 0);
- xassert (start >= 0 && end > start);
-
- s->for_overlaps_p = overlaps_p,
- glyph = s->row->glyphs[s->area] + start;
- last = s->row->glyphs[s->area] + end;
- voffset = glyph->voffset;
-
- glyph_not_available_p = glyph->glyph_not_available_p;
-
- while (glyph < last
- && glyph->type == CHAR_GLYPH
- && glyph->voffset == voffset
- /* Same face id implies same font, nowadays. */
- && glyph->face_id == face_id
- && glyph->glyph_not_available_p == glyph_not_available_p)
- {
- int two_byte_p;
-
- s->face = x_get_glyph_face_and_encoding (s->f, glyph,
- s->char2b + s->nchars,
- &two_byte_p);
- s->two_byte_p = two_byte_p;
- ++s->nchars;
- xassert (s->nchars <= end - start);
- s->width += glyph->pixel_width;
- ++glyph;
- }
-
- s->font = s->face->font;
- s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id);
-
- /* If the specified font could not be loaded, use the frame's font,
- but record the fact that we couldn't load it in
- S->font_not_found_p so that we can draw rectangles for the
- characters of the glyph string. */
- if (s->font == NULL || glyph_not_available_p)
- {
- s->font_not_found_p = 1;
- s->font = FRAME_FONT (s->f);
- }
-
- /* Adjust base line for subscript/superscript text. */
- s->ybase += voffset;
-
- xassert (s->face && s->face->gc);
- return glyph - s->row->glyphs[s->area];
-}
-
-
-/* Fill glyph string S from image glyph S->first_glyph. */
-
-static void
-x_fill_image_glyph_string (s)
- struct glyph_string *s;
-{
- xassert (s->first_glyph->type == IMAGE_GLYPH);
- s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id);
- xassert (s->img);
- s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
- s->font = s->face->font;
- s->width = s->first_glyph->pixel_width;
-
- /* Adjust base line for subscript/superscript text. */
- s->ybase += s->first_glyph->voffset;
-}
-
-
-/* Fill glyph string S from a sequence of stretch glyphs.
-
- ROW is the glyph row in which the glyphs are found, AREA is the
- area within the row. START is the index of the first glyph to
- consider, END is the index of the last + 1.
-
- Value is the index of the first glyph not in S. */
-
-static int
-x_fill_stretch_glyph_string (s, row, area, start, end)
- struct glyph_string *s;
- struct glyph_row *row;
- enum glyph_row_area area;
- int start, end;
-{
- struct glyph *glyph, *last;
- int voffset, face_id;
-
- xassert (s->first_glyph->type == STRETCH_GLYPH);
-
- glyph = s->row->glyphs[s->area] + start;
- last = s->row->glyphs[s->area] + end;
- face_id = glyph->face_id;
- s->face = FACE_FROM_ID (s->f, face_id);
- s->font = s->face->font;
- s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id);
- s->width = glyph->pixel_width;
- voffset = glyph->voffset;
-
- for (++glyph;
- (glyph < last
- && glyph->type == STRETCH_GLYPH
- && glyph->voffset == voffset
- && glyph->face_id == face_id);
- ++glyph)
- s->width += glyph->pixel_width;
-
- /* Adjust base line for subscript/superscript text. */
- s->ybase += voffset;
-
- /* The case that face->gc == 0 is handled when drawing the glyph
- string by calling PREPARE_FACE_FOR_DISPLAY. */
- xassert (s->face);
- return glyph - s->row->glyphs[s->area];
-}
-
-
-/* Initialize glyph string S. CHAR2B is a suitably allocated vector
- of XChar2b structures for S; it can't be allocated in
- x_init_glyph_string because it must be allocated via `alloca'. W
- is the window on which S is drawn. ROW and AREA are the glyph row
- and area within the row from which S is constructed. START is the
- index of the first glyph structure covered by S. HL is a
- face-override for drawing S. */
-
-static void
-x_init_glyph_string (s, char2b, w, row, area, start, hl)
- struct glyph_string *s;
- XChar2b *char2b;
- struct window *w;
- struct glyph_row *row;
- enum glyph_row_area area;
- int start;
- enum draw_glyphs_face hl;
-{
- bzero (s, sizeof *s);
- s->w = w;
- s->f = XFRAME (w->frame);
- s->display = FRAME_X_DISPLAY (s->f);
- s->window = FRAME_X_WINDOW (s->f);
- s->char2b = char2b;
- s->hl = hl;
- s->row = row;
- s->area = area;
- s->first_glyph = row->glyphs[area] + start;
- s->height = row->height;
- s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y);
-
- /* Display the internal border below the tool-bar window. */
- if (s->w == XWINDOW (s->f->tool_bar_window))
- s->y -= s->f->output_data.x->internal_border_width;
-
- s->ybase = s->y + row->ascent;
-}
-
-
-/* Set background width of glyph string S. START is the index of the
- first glyph following S. LAST_X is the right-most x-position + 1
- in the drawing area. */
-
-static INLINE void
-x_set_glyph_string_background_width (s, start, last_x)
- struct glyph_string *s;
- int start;
- int last_x;
-{
- /* If the face of this glyph string has to be drawn to the end of
- the drawing area, set S->extends_to_end_of_line_p. */
- struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID);
-
- if (start == s->row->used[s->area]
- && s->area == TEXT_AREA
- && ((s->hl == DRAW_NORMAL_TEXT
- && (s->row->fill_line_p
- || s->face->background != default_face->background
- || s->face->stipple != default_face->stipple
- || s->row->mouse_face_p))
- || s->hl == DRAW_MOUSE_FACE
- || ((s->hl == DRAW_IMAGE_RAISED || s->hl == DRAW_IMAGE_SUNKEN)
- && s->row->fill_line_p)))
- s->extends_to_end_of_line_p = 1;
-
- /* If S extends its face to the end of the line, set its
- background_width to the distance to the right edge of the drawing
- area. */
- if (s->extends_to_end_of_line_p)
- s->background_width = last_x - s->x + 1;
- else
- s->background_width = s->width;
-}
-
-
-/* Add a glyph string for a stretch glyph to the list of strings
- between HEAD and TAIL. START is the index of the stretch glyph in
- row area AREA of glyph row ROW. END is the index of the last glyph
- in that glyph row area. X is the current output position assigned
- to the new glyph string constructed. HL overrides that face of the
- glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X
- is the right-most x-position of the drawing area. */
-
-/* SunOS 4 bundled cc, barfed on continuations in the arg lists here
- and below -- keep them on one line. */
-#define BUILD_STRETCH_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \
- do \
- { \
- s = (struct glyph_string *) alloca (sizeof *s); \
- x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \
- START = x_fill_stretch_glyph_string (s, ROW, AREA, START, END); \
- x_append_glyph_string (&HEAD, &TAIL, s); \
- s->x = (X); \
- } \
- while (0)
-
-
-/* Add a glyph string for an image glyph to the list of strings
- between HEAD and TAIL. START is the index of the image glyph in
- row area AREA of glyph row ROW. END is the index of the last glyph
- in that glyph row area. X is the current output position assigned
- to the new glyph string constructed. HL overrides that face of the
- glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X
- is the right-most x-position of the drawing area. */
-
-#define BUILD_IMAGE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \
- do \
- { \
- s = (struct glyph_string *) alloca (sizeof *s); \
- x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \
- x_fill_image_glyph_string (s); \
- x_append_glyph_string (&HEAD, &TAIL, s); \
- ++START; \
- s->x = (X); \
- } \
- while (0)
-
-
-/* Add a glyph string for a sequence of character glyphs to the list
- of strings between HEAD and TAIL. START is the index of the first
- glyph in row area AREA of glyph row ROW that is part of the new
- glyph string. END is the index of the last glyph in that glyph row
- area. X is the current output position assigned to the new glyph
- string constructed. HL overrides that face of the glyph; e.g. it
- is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the
- right-most x-position of the drawing area. */
-
-#define BUILD_CHAR_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \
- do \
- { \
- int c, face_id; \
- XChar2b *char2b; \
- \
- c = (ROW)->glyphs[AREA][START].u.ch; \
- face_id = (ROW)->glyphs[AREA][START].face_id; \
- \
- s = (struct glyph_string *) alloca (sizeof *s); \
- char2b = (XChar2b *) alloca ((END - START) * sizeof *char2b); \
- x_init_glyph_string (s, char2b, W, ROW, AREA, START, HL); \
- x_append_glyph_string (&HEAD, &TAIL, s); \
- s->x = (X); \
- START = x_fill_glyph_string (s, face_id, START, END, \
- OVERLAPS_P); \
- } \
- while (0)
-
-
-/* Add a glyph string for a composite sequence to the list of strings
- between HEAD and TAIL. START is the index of the first glyph in
- row area AREA of glyph row ROW that is part of the new glyph
- string. END is the index of the last glyph in that glyph row area.
- X is the current output position assigned to the new glyph string
- constructed. HL overrides that face of the glyph; e.g. it is
- DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most
- x-position of the drawing area. */
-
-#define BUILD_COMPOSITE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \
- do { \
- int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \
- int face_id = (ROW)->glyphs[AREA][START].face_id; \
- struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \
- struct composition *cmp = composition_table[cmp_id]; \
- int glyph_len = cmp->glyph_len; \
- XChar2b *char2b; \
- struct face **faces; \
- struct glyph_string *first_s = NULL; \
- int n; \
- \
- base_face = base_face->ascii_face; \
- char2b = (XChar2b *) alloca ((sizeof *char2b) * glyph_len); \
- faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \
- /* At first, fill in `char2b' and `faces'. */ \
- for (n = 0; n < glyph_len; n++) \
- { \
- int c = COMPOSITION_GLYPH (cmp, n); \
- int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \
- faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \
- x_get_char_face_and_encoding (XFRAME (w->frame), c, \
- this_face_id, char2b + n, 1, 1); \
- } \
- \
- /* Make glyph_strings for each glyph sequence that is drawable by \
- the same face, and append them to HEAD/TAIL. */ \
- for (n = 0; n < cmp->glyph_len;) \
- { \
- s = (struct glyph_string *) alloca (sizeof *s); \
- x_init_glyph_string (s, char2b + n, W, ROW, AREA, START, HL); \
- x_append_glyph_string (&(HEAD), &(TAIL), s); \
- s->cmp = cmp; \
- s->gidx = n; \
- s->x = (X); \
- \
- if (n == 0) \
- first_s = s; \
- \
- n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \
- } \
- \
- ++START; \
- s = first_s; \
- } while (0)
-
-
-/* Build a list of glyph strings between HEAD and TAIL for the glyphs
- of AREA of glyph row ROW on window W between indices START and END.
- HL overrides the face for drawing glyph strings, e.g. it is
- DRAW_CURSOR to draw a cursor. X and LAST_X are start and end
- x-positions of the drawing area.
-
- This is an ugly monster macro construct because we must use alloca
- to allocate glyph strings (because x_draw_glyphs can be called
- asynchronously). */
-
-#define BUILD_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \
- do \
- { \
- HEAD = TAIL = NULL; \
- while (START < END) \
- { \
- struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \
- switch (first_glyph->type) \
- { \
- case CHAR_GLYPH: \
- BUILD_CHAR_GLYPH_STRINGS (W, ROW, AREA, START, END, HEAD, \
- TAIL, HL, X, LAST_X, \
- OVERLAPS_P); \
- break; \
- \
- case COMPOSITE_GLYPH: \
- BUILD_COMPOSITE_GLYPH_STRING (W, ROW, AREA, START, END, \
- HEAD, TAIL, HL, X, LAST_X,\
- OVERLAPS_P); \
- break; \
- \
- case STRETCH_GLYPH: \
- BUILD_STRETCH_GLYPH_STRING (W, ROW, AREA, START, END, \
- HEAD, TAIL, HL, X, LAST_X); \
- break; \
- \
- case IMAGE_GLYPH: \
- BUILD_IMAGE_GLYPH_STRING (W, ROW, AREA, START, END, HEAD, \
- TAIL, HL, X, LAST_X); \
- break; \
- \
- default: \
- abort (); \
- } \
- \
- x_set_glyph_string_background_width (s, START, LAST_X); \
- (X) += s->width; \
- } \
- } \
- while (0)
-
-
-/* Draw glyphs between START and END in AREA of ROW on window W,
- starting at x-position X. X is relative to AREA in W. HL is a
- face-override with the following meaning:
-
- DRAW_NORMAL_TEXT draw normally
- DRAW_CURSOR draw in cursor face
- DRAW_MOUSE_FACE draw in mouse face.
- DRAW_INVERSE_VIDEO draw in mode line face
- DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it
- DRAW_IMAGE_RAISED draw an image with a raised relief around it
-
- If OVERLAPS_P is non-zero, draw only the foreground of characters
- and clip to the physical height of ROW.
-
- Value is the x-position reached, relative to AREA of W. */
-
-static int
-x_draw_glyphs (w, x, row, area, start, end, hl, overlaps_p)
- struct window *w;
- int x;
- struct glyph_row *row;
- enum glyph_row_area area;
- int start, end;
- enum draw_glyphs_face hl;
- int overlaps_p;
-{
- struct glyph_string *head, *tail;
- struct glyph_string *s;
- int last_x, area_width;
- int x_reached;
- int i, j;
-
- /* Let's rather be paranoid than getting a SEGV. */
- end = min (end, row->used[area]);
- start = max (0, start);
- start = min (end, start);
-
- /* Translate X to frame coordinates. Set last_x to the right
- end of the drawing area. */
- if (row->full_width_p)
- {
- /* X is relative to the left edge of W, without scroll bars
- or fringes. */
- struct frame *f = XFRAME (w->frame);
- int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f);
-
- x += window_left_x;
- area_width = XFASTINT (w->width) * CANON_X_UNIT (f);
- last_x = window_left_x + area_width;
-
- if (FRAME_HAS_VERTICAL_SCROLL_BARS (f))
- {
- int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f);
- if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f))
- last_x += width;
- else
- x -= width;
- }
-
- x += FRAME_INTERNAL_BORDER_WIDTH (f);
- last_x += FRAME_INTERNAL_BORDER_WIDTH (f);
- }
- else
- {
- x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x);
- area_width = window_box_width (w, area);
- last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width);
- }
-
- /* Build a doubly-linked list of glyph_string structures between
- head and tail from what we have to draw. Note that the macro
- BUILD_GLYPH_STRINGS will modify its start parameter. That's
- the reason we use a separate variable `i'. */
- i = start;
- BUILD_GLYPH_STRINGS (w, row, area, i, end, head, tail, hl, x, last_x,
- overlaps_p);
- if (tail)
- x_reached = tail->x + tail->background_width;
- else
- x_reached = x;
-
- /* If there are any glyphs with lbearing < 0 or rbearing > width in
- the row, redraw some glyphs in front or following the glyph
- strings built above. */
- if (head && !overlaps_p && row->contains_overlapping_glyphs_p)
- {
- int dummy_x = 0;
- struct glyph_string *h, *t;
-
- /* Compute overhangs for all glyph strings. */
- for (s = head; s; s = s->next)
- x_compute_glyph_string_overhangs (s);
-
- /* Prepend glyph strings for glyphs in front of the first glyph
- string that are overwritten because of the first glyph
- string's left overhang. The background of all strings
- prepended must be drawn because the first glyph string
- draws over it. */
- i = x_left_overwritten (head);
- if (i >= 0)
- {
- j = i;
- BUILD_GLYPH_STRINGS (w, row, area, j, start, h, t,
- DRAW_NORMAL_TEXT, dummy_x, last_x,
- overlaps_p);
- start = i;
- x_compute_overhangs_and_x (t, head->x, 1);
- x_prepend_glyph_string_lists (&head, &tail, h, t);
- }
-
- /* Prepend glyph strings for glyphs in front of the first glyph
- string that overwrite that glyph string because of their
- right overhang. For these strings, only the foreground must
- be drawn, because it draws over the glyph string at `head'.
- The background must not be drawn because this would overwrite
- right overhangs of preceding glyphs for which no glyph
- strings exist. */
- i = x_left_overwriting (head);
- if (i >= 0)
- {
- BUILD_GLYPH_STRINGS (w, row, area, i, start, h, t,
- DRAW_NORMAL_TEXT, dummy_x, last_x,
- overlaps_p);
- for (s = h; s; s = s->next)
- s->background_filled_p = 1;
- x_compute_overhangs_and_x (t, head->x, 1);
- x_prepend_glyph_string_lists (&head, &tail, h, t);
- }
-
- /* Append glyphs strings for glyphs following the last glyph
- string tail that are overwritten by tail. The background of
- these strings has to be drawn because tail's foreground draws
- over it. */
- i = x_right_overwritten (tail);
- if (i >= 0)
- {
- BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t,
- DRAW_NORMAL_TEXT, x, last_x,
- overlaps_p);
- x_compute_overhangs_and_x (h, tail->x + tail->width, 0);
- x_append_glyph_string_lists (&head, &tail, h, t);
- }
-
- /* Append glyph strings for glyphs following the last glyph
- string tail that overwrite tail. The foreground of such
- glyphs has to be drawn because it writes into the background
- of tail. The background must not be drawn because it could
- paint over the foreground of following glyphs. */
- i = x_right_overwriting (tail);
- if (i >= 0)
- {
- BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t,
- DRAW_NORMAL_TEXT, x, last_x,
- overlaps_p);
- for (s = h; s; s = s->next)
- s->background_filled_p = 1;
- x_compute_overhangs_and_x (h, tail->x + tail->width, 0);
- x_append_glyph_string_lists (&head, &tail, h, t);
- }
- }
-
- /* Draw all strings. */
- for (s = head; s; s = s->next)
- x_draw_glyph_string (s);
-
- if (area == TEXT_AREA
- && !row->full_width_p
- /* When drawing overlapping rows, only the glyph strings'
- foreground is drawn, which doesn't erase a cursor
- completely. */
- && !overlaps_p)
- {
- int x0 = head ? head->x : x;
- int x1 = tail ? tail->x + tail->background_width : x;
-
- x0 = FRAME_TO_WINDOW_PIXEL_X (w, x0);
- x1 = FRAME_TO_WINDOW_PIXEL_X (w, x1);
-
- if (XFASTINT (w->left_margin_width) != 0)
- {
- int left_area_width = window_box_width (w, LEFT_MARGIN_AREA);
- x0 -= left_area_width;
- x1 -= left_area_width;
- }
-
- notice_overwritten_cursor (w, area, x0, x1,
- row->y, MATRIX_ROW_BOTTOM_Y (row));
- }
-
- /* Value is the x-position up to which drawn, relative to AREA of W.
- This doesn't include parts drawn because of overhangs. */
- x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached);
- if (!row->full_width_p)
- {
- if (area > LEFT_MARGIN_AREA && XFASTINT (w->left_margin_width) != 0)
- x_reached -= window_box_width (w, LEFT_MARGIN_AREA);
- if (area > TEXT_AREA)
- x_reached -= window_box_width (w, TEXT_AREA);
- }
-
- return x_reached;
-}
-
-
-/* Fix the display of area AREA of overlapping row ROW in window W. */
-
-static void
-x_fix_overlapping_area (w, row, area)
- struct window *w;
- struct glyph_row *row;
- enum glyph_row_area area;
-{
- int i, x;
-
- BLOCK_INPUT;
-
- if (area == LEFT_MARGIN_AREA)
- x = 0;
- else if (area == TEXT_AREA)
- x = row->x + window_box_width (w, LEFT_MARGIN_AREA);
- else
- x = (window_box_width (w, LEFT_MARGIN_AREA)
- + window_box_width (w, TEXT_AREA));
-
- for (i = 0; i < row->used[area];)
- {
- if (row->glyphs[area][i].overlaps_vertically_p)
- {
- int start = i, start_x = x;
-
- do
- {
- x += row->glyphs[area][i].pixel_width;
- ++i;
- }
- while (i < row->used[area]
- && row->glyphs[area][i].overlaps_vertically_p);
-
- x_draw_glyphs (w, start_x, row, area, start, i,
- DRAW_NORMAL_TEXT, 1);
- }
- else
- {
- x += row->glyphs[area][i].pixel_width;
- ++i;
- }
- }
-
- UNBLOCK_INPUT;
-}
-
-
-/* Output LEN glyphs starting at START at the nominal cursor position.
- Advance the nominal cursor over the text. The global variable
- updated_window contains the window being updated, updated_row is
- the glyph row being updated, and updated_area is the area of that
- row being updated. */
-
-static void
-x_write_glyphs (start, len)
- struct glyph *start;
- int len;
-{
- int x, hpos;
-
- xassert (updated_window && updated_row);
- BLOCK_INPUT;
-
- /* Write glyphs. */
-
- hpos = start - updated_row->glyphs[updated_area];
- x = x_draw_glyphs (updated_window, output_cursor.x,
- updated_row, updated_area,
- hpos, hpos + len,
- DRAW_NORMAL_TEXT, 0);
-
- /* Invalidate old phys cursor if the glyph at its hpos is redrawn. */
- if (updated_area == TEXT_AREA
- && updated_window->phys_cursor_on_p
- && updated_window->phys_cursor.vpos == output_cursor.vpos
- && updated_window->phys_cursor.hpos >= hpos
- && updated_window->phys_cursor.hpos < hpos + len)
- updated_window->phys_cursor_on_p = 0;
-
- UNBLOCK_INPUT;
-
- /* Advance the output cursor. */
- output_cursor.hpos += len;
- output_cursor.x = x;
-}
-
-
-/* Insert LEN glyphs from START at the nominal cursor position. */
-
-static void
-x_insert_glyphs (start, len)
- struct glyph *start;
- register int len;
-{
- struct frame *f;
- struct window *w;
- int line_height, shift_by_width, shifted_region_width;
- struct glyph_row *row;
- struct glyph *glyph;
- int frame_x, frame_y, hpos;
-
- xassert (updated_window && updated_row);
- BLOCK_INPUT;
- w = updated_window;
- f = XFRAME (WINDOW_FRAME (w));
-
- /* Get the height of the line we are in. */
- row = updated_row;
- line_height = row->height;
-
- /* Get the width of the glyphs to insert. */
- shift_by_width = 0;
- for (glyph = start; glyph < start + len; ++glyph)
- shift_by_width += glyph->pixel_width;
-
- /* Get the width of the region to shift right. */
- shifted_region_width = (window_box_width (w, updated_area)
- - output_cursor.x
- - shift_by_width);
-
- /* Shift right. */
- frame_x = window_box_left (w, updated_area) + output_cursor.x;
- frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y);
- XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), FRAME_X_WINDOW (f),
- f->output_data.x->normal_gc,
- frame_x, frame_y,
- shifted_region_width, line_height,
- frame_x + shift_by_width, frame_y);
-
- /* Write the glyphs. */
- hpos = start - row->glyphs[updated_area];
- x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len,
- DRAW_NORMAL_TEXT, 0);
-
- /* Advance the output cursor. */
- output_cursor.hpos += len;
- output_cursor.x += shift_by_width;
- UNBLOCK_INPUT;
-}
-
-
-/* Delete N glyphs at the nominal cursor position. Not implemented
- for X frames. */
-
-static void
-x_delete_glyphs (n)
- register int n;
-{
- abort ();
-}
-
-
-/* Like XClearArea, but check that WIDTH and HEIGHT are reasonable.
- If they are <= 0, this is probably an error. */
-
-void
-x_clear_area (dpy, window, x, y, width, height, exposures)
- Display *dpy;
- Window window;
- int x, y;
- int width, height;
- int exposures;
-{
- xassert (width > 0 && height > 0);
- XClearArea (dpy, window, x, y, width, height, exposures);
-}
-
-
-/* Erase the current text line from the nominal cursor position
- (inclusive) to pixel column TO_X (exclusive). The idea is that
- everything from TO_X onward is already erased.
-
- TO_X is a pixel position relative to updated_area of
- updated_window. TO_X == -1 means clear to the end of this area. */
-
-static void
-x_clear_end_of_line (to_x)
- int to_x;
-{
- struct frame *f;
- struct window *w = updated_window;
- int max_x, min_y, max_y;
- int from_x, from_y, to_y;
-
- xassert (updated_window && updated_row);
- f = XFRAME (w->frame);
-
- if (updated_row->full_width_p)
- {
- max_x = XFASTINT (w->width) * CANON_X_UNIT (f);
- if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)
- && !w->pseudo_window_p)
- max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f);
- }
- else
- max_x = window_box_width (w, updated_area);
- max_y = window_text_bottom_y (w);
-
- /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end
- of window. For TO_X > 0, truncate to end of drawing area. */
- if (to_x == 0)
- return;
- else if (to_x < 0)
- to_x = max_x;
- else
- to_x = min (to_x, max_x);
-
- to_y = min (max_y, output_cursor.y + updated_row->height);
-
- /* Notice if the cursor will be cleared by this operation. */
- if (!updated_row->full_width_p)
- notice_overwritten_cursor (w, updated_area,
- output_cursor.x, -1,
- updated_row->y,
- MATRIX_ROW_BOTTOM_Y (updated_row));
-
- from_x = output_cursor.x;
-
- /* Translate to frame coordinates. */
- if (updated_row->full_width_p)
- {
- from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x);
- to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x);
- }
- else
- {
- from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x);
- to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x);
- }
-
- min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w);
- from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y));
- to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y);
-
- /* Prevent inadvertently clearing to end of the X window. */
- if (to_x > from_x && to_y > from_y)
- {
- BLOCK_INPUT;
- x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- from_x, from_y, to_x - from_x, to_y - from_y,
- False);
- UNBLOCK_INPUT;
- }
-}
-
-
-/* Clear entire frame. If updating_frame is non-null, clear that
- frame. Otherwise clear the selected frame. */
-
-static void
-x_clear_frame ()
-{
- struct frame *f;
-
- if (updating_frame)
- f = updating_frame;
- else
- f = SELECTED_FRAME ();
-
- /* Clearing the frame will erase any cursor, so mark them all as no
- longer visible. */
- mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f)));
- output_cursor.hpos = output_cursor.vpos = 0;
- output_cursor.x = -1;
-
- /* We don't set the output cursor here because there will always
- follow an explicit cursor_to. */
- BLOCK_INPUT;
- XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
-
- /* We have to clear the scroll bars, too. If we have changed
- colors or something like that, then they should be notified. */
- x_scroll_bar_clear (f);
-
- XFlush (FRAME_X_DISPLAY (f));
- UNBLOCK_INPUT;
-}
-
-
-\f
-/* Invert the middle quarter of the frame for .15 sec. */
-
-/* We use the select system call to do the waiting, so we have to make
- sure it's available. If it isn't, we just won't do visual bells. */
-
-#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
-
-
-/* Subtract the `struct timeval' values X and Y, storing the result in
- *RESULT. Return 1 if the difference is negative, otherwise 0. */
-
-static int
-timeval_subtract (result, x, y)
- struct timeval *result, x, y;
-{
- /* Perform the carry for the later subtraction by updating y. This
- is safer because on some systems the tv_sec member is unsigned. */
- if (x.tv_usec < y.tv_usec)
- {
- int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1;
- y.tv_usec -= 1000000 * nsec;
- y.tv_sec += nsec;
- }
-
- if (x.tv_usec - y.tv_usec > 1000000)
- {
- int nsec = (y.tv_usec - x.tv_usec) / 1000000;
- y.tv_usec += 1000000 * nsec;
- y.tv_sec -= nsec;
- }
-
- /* Compute the time remaining to wait. tv_usec is certainly
- positive. */
- result->tv_sec = x.tv_sec - y.tv_sec;
- result->tv_usec = x.tv_usec - y.tv_usec;
-
- /* Return indication of whether the result should be considered
- negative. */
- return x.tv_sec < y.tv_sec;
-}
-
-void
-XTflash (f)
- struct frame *f;
-{
- BLOCK_INPUT;
-
- {
- GC gc;
-
- /* Create a GC that will use the GXxor function to flip foreground
- pixels into background pixels. */
- {
- XGCValues values;
-
- values.function = GXxor;
- values.foreground = (f->output_data.x->foreground_pixel
- ^ f->output_data.x->background_pixel);
-
- gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- GCFunction | GCForeground, &values);
- }
-
- {
- /* Get the height not including a menu bar widget. */
- int height = CHAR_TO_PIXEL_HEIGHT (f, FRAME_HEIGHT (f));
- /* Height of each line to flash. */
- int flash_height = FRAME_LINE_HEIGHT (f);
- /* These will be the left and right margins of the rectangles. */
- int flash_left = FRAME_INTERNAL_BORDER_WIDTH (f);
- int flash_right = PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f);
-
- int width;
-
- /* Don't flash the area between a scroll bar and the frame
- edge it is next to. */
- switch (FRAME_VERTICAL_SCROLL_BAR_TYPE (f))
- {
- case vertical_scroll_bar_left:
- flash_left += VERTICAL_SCROLL_BAR_WIDTH_TRIM;
- break;
-
- case vertical_scroll_bar_right:
- flash_right -= VERTICAL_SCROLL_BAR_WIDTH_TRIM;
- break;
-
- default:
- break;
- }
-
- width = flash_right - flash_left;
-
- /* If window is tall, flash top and bottom line. */
- if (height > 3 * FRAME_LINE_HEIGHT (f))
- {
- XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- flash_left,
- (FRAME_INTERNAL_BORDER_WIDTH (f)
- + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)),
- width, flash_height);
- XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- flash_left,
- (height - flash_height
- - FRAME_INTERNAL_BORDER_WIDTH (f)),
- width, flash_height);
- }
- else
- /* If it is short, flash it all. */
- XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- flash_left, FRAME_INTERNAL_BORDER_WIDTH (f),
- width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
-
- x_flush (f);
-
- {
- struct timeval wakeup;
-
- EMACS_GET_TIME (wakeup);
-
- /* Compute time to wait until, propagating carry from usecs. */
- wakeup.tv_usec += 150000;
- wakeup.tv_sec += (wakeup.tv_usec / 1000000);
- wakeup.tv_usec %= 1000000;
-
- /* Keep waiting until past the time wakeup or any input gets
- available. */
- while (! detect_input_pending ())
- {
- struct timeval current;
- struct timeval timeout;
-
- EMACS_GET_TIME (current);
-
- /* Break if result would be negative. */
- if (timeval_subtract (¤t, wakeup, current))
- break;
-
- /* How long `select' should wait. */
- timeout.tv_sec = 0;
- timeout.tv_usec = 10000;
-
- /* Try to wait that long--but we might wake up sooner. */
- select (0, NULL, NULL, NULL, &timeout);
- }
- }
-
- /* If window is tall, flash top and bottom line. */
- if (height > 3 * FRAME_LINE_HEIGHT (f))
- {
- XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- flash_left,
- (FRAME_INTERNAL_BORDER_WIDTH (f)
- + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)),
- width, flash_height);
- XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- flash_left,
- (height - flash_height
- - FRAME_INTERNAL_BORDER_WIDTH (f)),
- width, flash_height);
- }
- else
- /* If it is short, flash it all. */
- XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- flash_left, FRAME_INTERNAL_BORDER_WIDTH (f),
- width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
-
- XFreeGC (FRAME_X_DISPLAY (f), gc);
- x_flush (f);
- }
- }
-
- UNBLOCK_INPUT;
-}
-
-#endif /* defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) */
-
-
-/* Make audible bell. */
-
-void
-XTring_bell ()
-{
- struct frame *f = SELECTED_FRAME ();
-
- if (FRAME_X_DISPLAY (f))
- {
-#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
- if (visible_bell)
- XTflash (f);
- else
-#endif
- {
- BLOCK_INPUT;
- XBell (FRAME_X_DISPLAY (f), 0);
- XFlush (FRAME_X_DISPLAY (f));
- UNBLOCK_INPUT;
- }
- }
-}
-
-\f
-/* Specify how many text lines, from the top of the window,
- should be affected by insert-lines and delete-lines operations.
- This, and those operations, are used only within an update
- that is bounded by calls to x_update_begin and x_update_end. */
-
-static void
-XTset_terminal_window (n)
- register int n;
-{
- /* This function intentionally left blank. */
-}
-
-
-\f
-/***********************************************************************
- Line Dance
- ***********************************************************************/
-
-/* Perform an insert-lines or delete-lines operation, inserting N
- lines or deleting -N lines at vertical position VPOS. */
-
-static void
-x_ins_del_lines (vpos, n)
- int vpos, n;
-{
- abort ();
-}
-
-
-/* Scroll part of the display as described by RUN. */
-
-static void
-x_scroll_run (w, run)
- struct window *w;
- struct run *run;
-{
- struct frame *f = XFRAME (w->frame);
- int x, y, width, height, from_y, to_y, bottom_y;
-
- /* Get frame-relative bounding box of the text display area of W,
- without mode lines. Include in this box the left and right
- fringe of W. */
- window_box (w, -1, &x, &y, &width, &height);
- width += FRAME_X_FRINGE_WIDTH (f);
- x -= FRAME_X_LEFT_FRINGE_WIDTH (f);
-
- from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
- to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
- bottom_y = y + height;
-
- if (to_y < from_y)
- {
- /* Scrolling up. Make sure we don't copy part of the mode
- line at the bottom. */
- if (from_y + run->height > bottom_y)
- height = bottom_y - from_y;
- else
- height = run->height;
- }
- else
- {
- /* Scolling down. Make sure we don't copy over the mode line.
- at the bottom. */
- if (to_y + run->height > bottom_y)
- height = bottom_y - to_y;
- else
- height = run->height;
- }
-
- BLOCK_INPUT;
-
- /* Cursor off. Will be switched on again in x_update_window_end. */
- updated_window = w;
- x_clear_cursor (w);
-
- XCopyArea (FRAME_X_DISPLAY (f),
- FRAME_X_WINDOW (f), FRAME_X_WINDOW (f),
- f->output_data.x->normal_gc,
- x, from_y,
- width, height,
- x, to_y);
-
- UNBLOCK_INPUT;
-}
-
-
-\f
-/***********************************************************************
- Exposure Events
- ***********************************************************************/
-
-/* Redisplay an exposed area of frame F. X and Y are the upper-left
- corner of the exposed rectangle. W and H are width and height of
- the exposed area. All are pixel values. W or H zero means redraw
- the entire frame. */
-
-static void
-expose_frame (f, x, y, w, h)
- struct frame *f;
- int x, y, w, h;
-{
- XRectangle r;
- int mouse_face_overwritten_p = 0;
-
- TRACE ((stderr, "expose_frame "));
-
- /* No need to redraw if frame will be redrawn soon. */
- if (FRAME_GARBAGED_P (f))
- {
- TRACE ((stderr, " garbaged\n"));
- return;
- }
-
- /* If basic faces haven't been realized yet, there is no point in
- trying to redraw anything. This can happen when we get an expose
- event while Emacs is starting, e.g. by moving another window. */
- if (FRAME_FACE_CACHE (f) == NULL
- || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL)
- {
- TRACE ((stderr, " no faces\n"));
- return;
- }
-
- if (w == 0 || h == 0)
- {
- r.x = r.y = 0;
- r.width = CANON_X_UNIT (f) * f->width;
- r.height = CANON_Y_UNIT (f) * f->height;
- }
- else
- {
- r.x = x;
- r.y = y;
- r.width = w;
- r.height = h;
- }
-
- TRACE ((stderr, "(%d, %d, %d, %d)\n", r.x, r.y, r.width, r.height));
- mouse_face_overwritten_p = expose_window_tree (XWINDOW (f->root_window), &r);
-
- if (WINDOWP (f->tool_bar_window))
- mouse_face_overwritten_p
- |= expose_window (XWINDOW (f->tool_bar_window), &r);
-
-#ifndef USE_X_TOOLKIT
- if (WINDOWP (f->menu_bar_window))
- mouse_face_overwritten_p
- |= expose_window (XWINDOW (f->menu_bar_window), &r);
-#endif /* not USE_X_TOOLKIT */
-
- /* Some window managers support a focus-follows-mouse style with
- delayed raising of frames. Imagine a partially obscured frame,
- and moving the mouse into partially obscured mouse-face on that
- frame. The visible part of the mouse-face will be highlighted,
- then the WM raises the obscured frame. With at least one WM, KDE
- 2.1, Emacs is not getting any event for the raising of the frame
- (even tried with SubstructureRedirectMask), only Expose events.
- These expose events will draw text normally, i.e. not
- highlighted. Which means we must redo the highlight here.
- Subsume it under ``we love X''. --gerd 2001-08-15 */
- if (mouse_face_overwritten_p && !FRAME_GARBAGED_P (f))
- {
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- if (f == dpyinfo->mouse_face_mouse_frame)
- {
- int x = dpyinfo->mouse_face_mouse_x;
- int y = dpyinfo->mouse_face_mouse_y;
- clear_mouse_face (dpyinfo);
- note_mouse_highlight (f, x, y);
- }
- }
-}
-
-
-/* Redraw (parts) of all windows in the window tree rooted at W that
- intersect R. R contains frame pixel coordinates. Value is
- non-zero if the exposure overwrites mouse-face. */
-
-static int
-expose_window_tree (w, r)
- struct window *w;
- XRectangle *r;
-{
- struct frame *f = XFRAME (w->frame);
- int mouse_face_overwritten_p = 0;
-
- while (w && !FRAME_GARBAGED_P (f))
- {
- if (!NILP (w->hchild))
- mouse_face_overwritten_p
- |= expose_window_tree (XWINDOW (w->hchild), r);
- else if (!NILP (w->vchild))
- mouse_face_overwritten_p
- |= expose_window_tree (XWINDOW (w->vchild), r);
- else
- mouse_face_overwritten_p |= expose_window (w, r);
-
- w = NILP (w->next) ? NULL : XWINDOW (w->next);
- }
-
- return mouse_face_overwritten_p;
-}
-
-
-/* Redraw the part of glyph row area AREA of glyph row ROW on window W
- which intersects rectangle R. R is in window-relative coordinates. */
-
-static void
-expose_area (w, row, r, area)
- struct window *w;
- struct glyph_row *row;
- XRectangle *r;
- enum glyph_row_area area;
-{
- struct glyph *first = row->glyphs[area];
- struct glyph *end = row->glyphs[area] + row->used[area];
- struct glyph *last;
- int first_x, start_x, x;
-
- if (area == TEXT_AREA && row->fill_line_p)
- /* If row extends face to end of line write the whole line. */
- x_draw_glyphs (w, 0, row, area, 0, row->used[area],
- DRAW_NORMAL_TEXT, 0);
- else
- {
- /* Set START_X to the window-relative start position for drawing glyphs of
- AREA. The first glyph of the text area can be partially visible.
- The first glyphs of other areas cannot. */
- if (area == LEFT_MARGIN_AREA)
- start_x = 0;
- else if (area == TEXT_AREA)
- start_x = row->x + window_box_width (w, LEFT_MARGIN_AREA);
- else
- start_x = (window_box_width (w, LEFT_MARGIN_AREA)
- + window_box_width (w, TEXT_AREA));
- x = start_x;
-
- /* Find the first glyph that must be redrawn. */
- while (first < end
- && x + first->pixel_width < r->x)
- {
- x += first->pixel_width;
- ++first;
- }
-
- /* Find the last one. */
- last = first;
- first_x = x;
- while (last < end
- && x < r->x + r->width)
- {
- x += last->pixel_width;
- ++last;
- }
-
- /* Repaint. */
- if (last > first)
- x_draw_glyphs (w, first_x - start_x, row, area,
- first - row->glyphs[area],
- last - row->glyphs[area],
- DRAW_NORMAL_TEXT, 0);
- }
-}
-
-
-/* Redraw the parts of the glyph row ROW on window W intersecting
- rectangle R. R is in window-relative coordinates. Value is
- non-zero if mouse-face was overwritten. */
-
-static int
-expose_line (w, row, r)
- struct window *w;
- struct glyph_row *row;
- XRectangle *r;
-{
- xassert (row->enabled_p);
-
- if (row->mode_line_p || w->pseudo_window_p)
- x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA],
- DRAW_NORMAL_TEXT, 0);
- else
- {
- if (row->used[LEFT_MARGIN_AREA])
- expose_area (w, row, r, LEFT_MARGIN_AREA);
- if (row->used[TEXT_AREA])
- expose_area (w, row, r, TEXT_AREA);
- if (row->used[RIGHT_MARGIN_AREA])
- expose_area (w, row, r, RIGHT_MARGIN_AREA);
- x_draw_row_fringe_bitmaps (w, row);
- }
-
- return row->mouse_face_p;
-}
-
-
-/* Return non-zero if W's cursor intersects rectangle R. */
-
-static int
-x_phys_cursor_in_rect_p (w, r)
- struct window *w;
- XRectangle *r;
-{
- XRectangle cr, result;
- struct glyph *cursor_glyph;
-
- cursor_glyph = get_phys_cursor_glyph (w);
- if (cursor_glyph)
- {
- cr.x = w->phys_cursor.x;
- cr.y = w->phys_cursor.y;
- cr.width = cursor_glyph->pixel_width;
- cr.height = w->phys_cursor_height;
- return x_intersect_rectangles (&cr, r, &result);
- }
- else
- return 0;
-}
-
-
-/* Redraw those parts of glyphs rows during expose event handling that
- overlap other rows. Redrawing of an exposed line writes over parts
- of lines overlapping that exposed line; this function fixes that.
-
- W is the window being exposed. FIRST_OVERLAPPING_ROW is the first
- row in W's current matrix that is exposed and overlaps other rows.
- LAST_OVERLAPPING_ROW is the last such row. */
-
-static void
-expose_overlaps (w, first_overlapping_row, last_overlapping_row)
- struct window *w;
- struct glyph_row *first_overlapping_row;
- struct glyph_row *last_overlapping_row;
-{
- struct glyph_row *row;
-
- for (row = first_overlapping_row; row <= last_overlapping_row; ++row)
- if (row->overlapping_p)
- {
- xassert (row->enabled_p && !row->mode_line_p);
-
- if (row->used[LEFT_MARGIN_AREA])
- x_fix_overlapping_area (w, row, LEFT_MARGIN_AREA);
-
- if (row->used[TEXT_AREA])
- x_fix_overlapping_area (w, row, TEXT_AREA);
-
- if (row->used[RIGHT_MARGIN_AREA])
- x_fix_overlapping_area (w, row, RIGHT_MARGIN_AREA);
- }
-}
-
-
-/* Redraw the part of window W intersection rectangle FR. Pixel
- coordinates in FR are frame-relative. Call this function with
- input blocked. Value is non-zero if the exposure overwrites
- mouse-face. */
-
-static int
-expose_window (w, fr)
- struct window *w;
- XRectangle *fr;
-{
- struct frame *f = XFRAME (w->frame);
- XRectangle wr, r;
- int mouse_face_overwritten_p = 0;
-
- /* If window is not yet fully initialized, do nothing. This can
- happen when toolkit scroll bars are used and a window is split.
- Reconfiguring the scroll bar will generate an expose for a newly
- created window. */
- if (w->current_matrix == NULL)
- return 0;
-
- /* When we're currently updating the window, display and current
- matrix usually don't agree. Arrange for a thorough display
- later. */
- if (w == updated_window)
- {
- SET_FRAME_GARBAGED (f);
- return 0;
- }
-
- /* Frame-relative pixel rectangle of W. */
- wr.x = XFASTINT (w->left) * CANON_X_UNIT (f);
- wr.y = XFASTINT (w->top) * CANON_Y_UNIT (f);
- wr.width = XFASTINT (w->width) * CANON_X_UNIT (f);
- wr.height = XFASTINT (w->height) * CANON_Y_UNIT (f);
+ /* If there is a margin around the image, adjust x- and y-position
+ by that margin. */
+ x += s->img->hmargin;
+ y += s->img->vmargin;
- if (x_intersect_rectangles (fr, &wr, &r))
+ if (s->img->pixmap)
{
- int yb = window_text_bottom_y (w);
- struct glyph_row *row;
- int cursor_cleared_p;
- struct glyph_row *first_overlapping_row, *last_overlapping_row;
-
- TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n",
- r.x, r.y, r.width, r.height));
+ if (s->img->mask)
+ {
+ /* We can't set both a clip mask and use XSetClipRectangles
+ because the latter also sets a clip mask. We also can't
+ trust on the shape extension to be available
+ (XShapeCombineRegion). So, compute the rectangle to draw
+ manually. */
+ unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin
+ | GCFunction);
+ XGCValues xgcv;
- /* Convert to window coordinates. */
- r.x = FRAME_TO_WINDOW_PIXEL_X (w, r.x);
- r.y = FRAME_TO_WINDOW_PIXEL_Y (w, r.y);
+ xgcv.clip_mask = s->img->mask;
+ xgcv.clip_x_origin = x;
+ xgcv.clip_y_origin = y;
+ xgcv.function = GXcopy;
+ XChangeGC (s->display, s->gc, mask, &xgcv);
- /* Turn off the cursor. */
- if (!w->pseudo_window_p
- && x_phys_cursor_in_rect_p (w, &r))
- {
- x_clear_cursor (w);
- cursor_cleared_p = 1;
+ XCopyArea (s->display, s->img->pixmap, pixmap, s->gc,
+ 0, 0, s->img->width, s->img->height, x, y);
+ XSetClipMask (s->display, s->gc, None);
}
else
- cursor_cleared_p = 0;
-
- /* Update lines intersecting rectangle R. */
- first_overlapping_row = last_overlapping_row = NULL;
- for (row = w->current_matrix->rows;
- row->enabled_p;
- ++row)
{
- int y0 = row->y;
- int y1 = MATRIX_ROW_BOTTOM_Y (row);
+ XCopyArea (s->display, s->img->pixmap, pixmap, s->gc,
+ 0, 0, s->img->width, s->img->height, x, y);
- if ((y0 >= r.y && y0 < r.y + r.height)
- || (y1 > r.y && y1 < r.y + r.height)
- || (r.y >= y0 && r.y < y1)
- || (r.y + r.height > y0 && r.y + r.height < y1))
+ /* When the image has a mask, we can expect that at
+ least part of a mouse highlight or a block cursor will
+ be visible. If the image doesn't have a mask, make
+ a block cursor visible by drawing a rectangle around
+ the image. I believe it's looking better if we do
+ nothing here for mouse-face. */
+ if (s->hl == DRAW_CURSOR)
{
- if (row->overlapping_p)
- {
- if (first_overlapping_row == NULL)
- first_overlapping_row = row;
- last_overlapping_row = row;
- }
-
- if (expose_line (w, row, &r))
- mouse_face_overwritten_p = 1;
+ int r = s->img->relief;
+ if (r < 0) r = -r;
+ XDrawRectangle (s->display, s->window, s->gc, x - r, y - r,
+ s->img->width + r*2 - 1, s->img->height + r*2 - 1);
}
-
- if (y1 >= yb)
- break;
- }
-
- /* Display the mode line if there is one. */
- if (WINDOW_WANTS_MODELINE_P (w)
- && (row = MATRIX_MODE_LINE_ROW (w->current_matrix),
- row->enabled_p)
- && row->y < r.y + r.height)
- {
- if (expose_line (w, row, &r))
- mouse_face_overwritten_p = 1;
- }
-
- if (!w->pseudo_window_p)
- {
- /* Fix the display of overlapping rows. */
- if (first_overlapping_row)
- expose_overlaps (w, first_overlapping_row, last_overlapping_row);
-
- /* Draw border between windows. */
- x_draw_vertical_border (w);
-
- /* Turn the cursor on again. */
- if (cursor_cleared_p)
- x_update_window_cursor (w, 1);
}
}
-
- return mouse_face_overwritten_p;
+ else
+ /* Draw a rectangle if image could not be loaded. */
+ XDrawRectangle (s->display, pixmap, s->gc, x, y,
+ s->img->width - 1, s->img->height - 1);
}
-/* Determine the intersection of two rectangles R1 and R2. Return
- the intersection in *RESULT. Value is non-zero if RESULT is not
- empty. */
+/* Draw part of the background of glyph string S. X, Y, W, and H
+ give the rectangle to draw. */
-static int
-x_intersect_rectangles (r1, r2, result)
- XRectangle *r1, *r2, *result;
+static void
+x_draw_glyph_string_bg_rect (s, x, y, w, h)
+ struct glyph_string *s;
+ int x, y, w, h;
{
- XRectangle *left, *right;
- XRectangle *upper, *lower;
- int intersection_p = 0;
-
- /* Rearrange so that R1 is the left-most rectangle. */
- if (r1->x < r2->x)
- left = r1, right = r2;
- else
- left = r2, right = r1;
-
- /* X0 of the intersection is right.x0, if this is inside R1,
- otherwise there is no intersection. */
- if (right->x <= left->x + left->width)
+ if (s->stippled_p)
{
- result->x = right->x;
-
- /* The right end of the intersection is the minimum of the
- the right ends of left and right. */
- result->width = (min (left->x + left->width, right->x + right->width)
- - result->x);
-
- /* Same game for Y. */
- if (r1->y < r2->y)
- upper = r1, lower = r2;
- else
- upper = r2, lower = r1;
-
- /* The upper end of the intersection is lower.y0, if this is inside
- of upper. Otherwise, there is no intersection. */
- if (lower->y <= upper->y + upper->height)
- {
- result->y = lower->y;
-
- /* The lower end of the intersection is the minimum of the lower
- ends of upper and lower. */
- result->height = (min (lower->y + lower->height,
- upper->y + upper->height)
- - result->y);
- intersection_p = 1;
- }
+ /* Fill background with a stipple pattern. */
+ XSetFillStyle (s->display, s->gc, FillOpaqueStippled);
+ XFillRectangle (s->display, s->window, s->gc, x, y, w, h);
+ XSetFillStyle (s->display, s->gc, FillSolid);
}
-
- return intersection_p;
+ else
+ x_clear_glyph_string_rect (s, x, y, w, h);
}
+/* Draw image glyph string S.
+ s->y
+ s->x +-------------------------
+ | s->face->box
+ |
+ | +-------------------------
+ | | s->img->margin
+ | |
+ | | +-------------------
+ | | | the image
-\f
-static void
-frame_highlight (f)
- struct frame *f;
-{
- /* We used to only do this if Vx_no_window_manager was non-nil, but
- the ICCCM (section 4.1.6) says that the window's border pixmap
- and border pixel are window attributes which are "private to the
- client", so we can always change it to whatever we want. */
- BLOCK_INPUT;
- XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->border_pixel);
- UNBLOCK_INPUT;
- x_update_cursor (f, 1);
-}
+ */
static void
-frame_unhighlight (f)
- struct frame *f;
+x_draw_image_glyph_string (s)
+ struct glyph_string *s;
{
- /* We used to only do this if Vx_no_window_manager was non-nil, but
- the ICCCM (section 4.1.6) says that the window's border pixmap
- and border pixel are window attributes which are "private to the
- client", so we can always change it to whatever we want. */
- BLOCK_INPUT;
- XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->border_tile);
- UNBLOCK_INPUT;
- x_update_cursor (f, 1);
-}
+ int x, y;
+ int box_line_hwidth = abs (s->face->box_line_width);
+ int box_line_vwidth = max (s->face->box_line_width, 0);
+ int height;
+ Pixmap pixmap = None;
-/* The focus has changed. Update the frames as necessary to reflect
- the new situation. Note that we can't change the selected frame
- here, because the Lisp code we are interrupting might become confused.
- Each event gets marked with the frame in which it occurred, so the
- Lisp code can tell when the switch took place by examining the events. */
+ height = s->height - 2 * box_line_vwidth;
-static void
-x_new_focus_frame (dpyinfo, frame)
- struct x_display_info *dpyinfo;
- struct frame *frame;
-{
- struct frame *old_focus = dpyinfo->x_focus_frame;
- if (frame != dpyinfo->x_focus_frame)
+ /* Fill background with face under the image. Do it only if row is
+ taller than image or if image has a clip mask to reduce
+ flickering. */
+ s->stippled_p = s->face->stipple != 0;
+ if (height > s->img->height
+ || s->img->hmargin
+ || s->img->vmargin
+ || s->img->mask
+ || s->img->pixmap == 0
+ || s->width != s->background_width)
{
- /* Set this before calling other routines, so that they see
- the correct value of x_focus_frame. */
- dpyinfo->x_focus_frame = frame;
-
- if (old_focus && old_focus->auto_lower)
- x_lower_frame (old_focus);
-
-#if 0
- selected_frame = frame;
- XSETFRAME (XWINDOW (selected_frame->selected_window)->frame,
- selected_frame);
- Fselect_window (selected_frame->selected_window);
- choose_minibuf_frame ();
-#endif /* ! 0 */
-
- if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise)
- pending_autoraise_frame = dpyinfo->x_focus_frame;
+ if (box_line_hwidth && s->first_glyph->left_box_line_p)
+ x = s->x + box_line_hwidth;
else
- pending_autoraise_frame = 0;
- }
-
- x_frame_rehighlight (dpyinfo);
-}
+ x = s->x;
-/* Handle FocusIn and FocusOut state changes for FRAME.
- If FRAME has focus and there exists more than one frame, puts
- a FOCUS_IN_EVENT into BUFP.
- Returns number of events inserted into BUFP. */
+ y = s->y + box_line_vwidth;
-static int
-x_focus_changed (type, state, dpyinfo, frame, bufp, numchars)
- int type;
- int state;
- struct x_display_info *dpyinfo;
- struct frame *frame;
- struct input_event *bufp;
- int numchars;
-{
- int nr_events = 0;
+ if (s->img->mask)
+ {
+ /* Create a pixmap as large as the glyph string. Fill it
+ with the background color. Copy the image to it, using
+ its mask. Copy the temporary pixmap to the display. */
+ Screen *screen = FRAME_X_SCREEN (s->f);
+ int depth = DefaultDepthOfScreen (screen);
- if (type == FocusIn)
- {
- if (dpyinfo->x_focus_event_frame != frame)
- {
- x_new_focus_frame (dpyinfo, frame);
- dpyinfo->x_focus_event_frame = frame;
+ /* Create a pixmap as large as the glyph string. */
+ pixmap = XCreatePixmap (s->display, s->window,
+ s->background_width,
+ s->height, depth);
- /* Don't stop displaying the initial startup message
- for a switch-frame event we don't need. */
- if (numchars > 0
- && GC_NILP (Vterminal_frame)
- && GC_CONSP (Vframe_list)
- && !GC_NILP (XCDR (Vframe_list)))
- {
- bufp->kind = FOCUS_IN_EVENT;
- XSETFRAME (bufp->frame_or_window, frame);
- bufp->arg = Qnil;
- ++bufp;
- numchars--;
- ++nr_events;
- }
- }
+ /* Don't clip in the following because we're working on the
+ pixmap. */
+ XSetClipMask (s->display, s->gc, None);
- frame->output_data.x->focus_state |= state;
+ /* Fill the pixmap with the background color/stipple. */
+ if (s->stippled_p)
+ {
+ /* Fill background with a stipple pattern. */
+ XSetFillStyle (s->display, s->gc, FillOpaqueStippled);
+ XFillRectangle (s->display, pixmap, s->gc,
+ 0, 0, s->background_width, s->height);
+ XSetFillStyle (s->display, s->gc, FillSolid);
+ }
+ else
+ {
+ XGCValues xgcv;
+ XGetGCValues (s->display, s->gc, GCForeground | GCBackground,
+ &xgcv);
+ XSetForeground (s->display, s->gc, xgcv.background);
+ XFillRectangle (s->display, pixmap, s->gc,
+ 0, 0, s->background_width, s->height);
+ XSetForeground (s->display, s->gc, xgcv.foreground);
+ }
+ }
+ else
+ x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height);
-#ifdef HAVE_X_I18N
- if (FRAME_XIC (frame))
- XSetICFocus (FRAME_XIC (frame));
-#endif
+ s->background_filled_p = 1;
}
- else if (type == FocusOut)
- {
- frame->output_data.x->focus_state &= ~state;
-
- if (dpyinfo->x_focus_event_frame == frame)
- {
- dpyinfo->x_focus_event_frame = 0;
- x_new_focus_frame (dpyinfo, 0);
- }
-#ifdef HAVE_X_I18N
- if (FRAME_XIC (frame))
- XUnsetICFocus (FRAME_XIC (frame));
-#endif
+ /* Draw the foreground. */
+ if (pixmap != None)
+ {
+ x_draw_image_foreground_1 (s, pixmap);
+ x_set_glyph_string_clipping (s);
+ XCopyArea (s->display, pixmap, s->window, s->gc,
+ 0, 0, s->background_width, s->height, s->x, s->y);
+ XFreePixmap (s->display, pixmap);
}
+ else
+ x_draw_image_foreground (s);
- return nr_events;
+ /* If we must draw a relief around the image, do it. */
+ if (s->img->relief
+ || s->hl == DRAW_IMAGE_RAISED
+ || s->hl == DRAW_IMAGE_SUNKEN)
+ x_draw_image_relief (s);
}
-/* The focus may have changed. Figure out if it is a real focus change,
- by checking both FocusIn/Out and Enter/LeaveNotify events.
- Returns number of events inserted into BUFP. */
+/* Draw stretch glyph string S. */
-static int
-x_detect_focus_change (dpyinfo, event, bufp, numchars)
- struct x_display_info *dpyinfo;
- XEvent *event;
- struct input_event *bufp;
- int numchars;
+static void
+x_draw_stretch_glyph_string (s)
+ struct glyph_string *s;
{
- struct frame *frame;
- int nr_events = 0;
-
- frame = x_top_window_to_frame (dpyinfo, event->xany.window);
- if (! frame) return nr_events;
+ xassert (s->first_glyph->type == STRETCH_GLYPH);
+ s->stippled_p = s->face->stipple != 0;
- switch (event->type)
+ if (s->hl == DRAW_CURSOR
+ && !x_stretch_cursor_p)
{
- case EnterNotify:
- case LeaveNotify:
- if (event->xcrossing.detail != NotifyInferior
- && event->xcrossing.focus
- && ! (frame->output_data.x->focus_state & FOCUS_EXPLICIT))
- nr_events = x_focus_changed ((event->type == EnterNotify
- ? FocusIn : FocusOut),
- FOCUS_IMPLICIT,
- dpyinfo,
- frame,
- bufp,
- numchars);
- break;
+ /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
+ as wide as the stretch glyph. */
+ int width = min (CANON_X_UNIT (s->f), s->background_width);
- case FocusIn:
- case FocusOut:
- nr_events = x_focus_changed (event->type,
- (event->xfocus.detail == NotifyPointer
- ? FOCUS_IMPLICIT : FOCUS_EXPLICIT),
- dpyinfo,
- frame,
- bufp,
- numchars);
- break;
- }
+ /* Draw cursor. */
+ x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height);
- return nr_events;
-}
+ /* Clear rest using the GC of the original non-cursor face. */
+ if (width < s->background_width)
+ {
+ int x = s->x + width, y = s->y;
+ int w = s->background_width - width, h = s->height;
+ XRectangle r;
+ GC gc;
+ if (s->row->mouse_face_p
+ && cursor_in_mouse_face_p (s->w))
+ {
+ x_set_mouse_face_gc (s);
+ gc = s->gc;
+ }
+ else
+ gc = s->face->gc;
-/* Handle an event saying the mouse has moved out of an Emacs frame. */
+ get_glyph_string_clip_rect (s, &r);
+ XSetClipRectangles (s->display, gc, 0, 0, &r, 1, Unsorted);
-void
-x_mouse_leave (dpyinfo)
- struct x_display_info *dpyinfo;
-{
- x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame);
-}
+ if (s->face->stipple)
+ {
+ /* Fill background with a stipple pattern. */
+ XSetFillStyle (s->display, gc, FillOpaqueStippled);
+ XFillRectangle (s->display, s->window, gc, x, y, w, h);
+ XSetFillStyle (s->display, gc, FillSolid);
+ }
+ else
+ {
+ XGCValues xgcv;
+ XGetGCValues (s->display, gc, GCForeground | GCBackground, &xgcv);
+ XSetForeground (s->display, gc, xgcv.background);
+ XFillRectangle (s->display, s->window, gc, x, y, w, h);
+ XSetForeground (s->display, gc, xgcv.foreground);
+ }
+ }
+ }
+ else if (!s->background_filled_p)
+ x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width,
+ s->height);
-/* The focus has changed, or we have redirected a frame's focus to
- another frame (this happens when a frame uses a surrogate
- mini-buffer frame). Shift the highlight as appropriate.
+ s->background_filled_p = 1;
+}
- The FRAME argument doesn't necessarily have anything to do with which
- frame is being highlighted or un-highlighted; we only use it to find
- the appropriate X display info. */
-static void
-XTframe_rehighlight (frame)
- struct frame *frame;
-{
- x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame));
-}
+/* Draw glyph string S. */
static void
-x_frame_rehighlight (dpyinfo)
- struct x_display_info *dpyinfo;
+x_draw_glyph_string (s)
+ struct glyph_string *s;
{
- struct frame *old_highlight = dpyinfo->x_highlight_frame;
+ int relief_drawn_p = 0;
- if (dpyinfo->x_focus_frame)
+ /* If S draws into the background of its successor, draw the
+ background of the successor first so that S can draw into it.
+ This makes S->next use XDrawString instead of XDrawImageString. */
+ if (s->next && s->right_overhang && !s->for_overlaps_p)
{
- dpyinfo->x_highlight_frame
- = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)))
- ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
- : dpyinfo->x_focus_frame);
- if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame))
- {
- FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil;
- dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame;
- }
+ xassert (s->next->img == NULL);
+ x_set_glyph_string_gc (s->next);
+ x_set_glyph_string_clipping (s->next);
+ x_draw_glyph_string_background (s->next, 1);
}
- else
- dpyinfo->x_highlight_frame = 0;
- if (dpyinfo->x_highlight_frame != old_highlight)
- {
- if (old_highlight)
- frame_unhighlight (old_highlight);
- if (dpyinfo->x_highlight_frame)
- frame_highlight (dpyinfo->x_highlight_frame);
- }
-}
+ /* Set up S->gc, set clipping and draw S. */
+ x_set_glyph_string_gc (s);
+ /* Draw relief (if any) in advance for char/composition so that the
+ glyph string can be drawn over it. */
+ if (!s->for_overlaps_p
+ && s->face->box != FACE_NO_BOX
+ && (s->first_glyph->type == CHAR_GLYPH
+ || s->first_glyph->type == COMPOSITE_GLYPH))
-\f
-/* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */
+ {
+ x_set_glyph_string_clipping (s);
+ x_draw_glyph_string_background (s, 1);
+ x_draw_glyph_string_box (s);
+ x_set_glyph_string_clipping (s);
+ relief_drawn_p = 1;
+ }
+ else
+ x_set_glyph_string_clipping (s);
-/* Initialize mode_switch_bit and modifier_meaning. */
-static void
-x_find_modifier_meanings (dpyinfo)
- struct x_display_info *dpyinfo;
-{
- int min_code, max_code;
- KeySym *syms;
- int syms_per_code;
- XModifierKeymap *mods;
+ switch (s->first_glyph->type)
+ {
+ case IMAGE_GLYPH:
+ x_draw_image_glyph_string (s);
+ break;
- dpyinfo->meta_mod_mask = 0;
- dpyinfo->shift_lock_mask = 0;
- dpyinfo->alt_mod_mask = 0;
- dpyinfo->super_mod_mask = 0;
- dpyinfo->hyper_mod_mask = 0;
+ case STRETCH_GLYPH:
+ x_draw_stretch_glyph_string (s);
+ break;
-#ifdef HAVE_X11R4
- XDisplayKeycodes (dpyinfo->display, &min_code, &max_code);
-#else
- min_code = dpyinfo->display->min_keycode;
- max_code = dpyinfo->display->max_keycode;
-#endif
+ case CHAR_GLYPH:
+ if (s->for_overlaps_p)
+ s->background_filled_p = 1;
+ else
+ x_draw_glyph_string_background (s, 0);
+ x_draw_glyph_string_foreground (s);
+ break;
- syms = XGetKeyboardMapping (dpyinfo->display,
- min_code, max_code - min_code + 1,
- &syms_per_code);
- mods = XGetModifierMapping (dpyinfo->display);
+ case COMPOSITE_GLYPH:
+ if (s->for_overlaps_p || s->gidx > 0)
+ s->background_filled_p = 1;
+ else
+ x_draw_glyph_string_background (s, 1);
+ x_draw_composite_glyph_string_foreground (s);
+ break;
- /* Scan the modifier table to see which modifier bits the Meta and
- Alt keysyms are on. */
- {
- int row, col; /* The row and column in the modifier table. */
+ default:
+ abort ();
+ }
- for (row = 3; row < 8; row++)
- for (col = 0; col < mods->max_keypermod; col++)
+ if (!s->for_overlaps_p)
+ {
+ /* Draw underline. */
+ if (s->face->underline_p)
{
- KeyCode code
- = mods->modifiermap[(row * mods->max_keypermod) + col];
+ unsigned long tem, h;
+ int y;
- /* Zeroes are used for filler. Skip them. */
- if (code == 0)
- continue;
+ /* Get the underline thickness. Default is 1 pixel. */
+ if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h))
+ h = 1;
- /* Are any of this keycode's keysyms a meta key? */
- {
- int code_col;
+ /* Get the underline position. This is the recommended
+ vertical offset in pixels from the baseline to the top of
+ the underline. This is a signed value according to the
+ specs, and its default is
- for (code_col = 0; code_col < syms_per_code; code_col++)
- {
- int sym = syms[((code - min_code) * syms_per_code) + code_col];
+ ROUND ((maximum descent) / 2), with
+ ROUND(x) = floor (x + 0.5) */
- switch (sym)
- {
- case XK_Meta_L:
- case XK_Meta_R:
- dpyinfo->meta_mod_mask |= (1 << row);
- break;
+ if (x_use_underline_position_properties
+ && XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &tem))
+ y = s->ybase + (long) tem;
+ else if (s->face->font)
+ y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2;
+ else
+ y = s->y + s->height - h;
- case XK_Alt_L:
- case XK_Alt_R:
- dpyinfo->alt_mod_mask |= (1 << row);
- break;
+ if (s->face->underline_defaulted_p)
+ XFillRectangle (s->display, s->window, s->gc,
+ s->x, y, s->width, h);
+ else
+ {
+ XGCValues xgcv;
+ XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
+ XSetForeground (s->display, s->gc, s->face->underline_color);
+ XFillRectangle (s->display, s->window, s->gc,
+ s->x, y, s->width, h);
+ XSetForeground (s->display, s->gc, xgcv.foreground);
+ }
+ }
- case XK_Hyper_L:
- case XK_Hyper_R:
- dpyinfo->hyper_mod_mask |= (1 << row);
- break;
+ /* Draw overline. */
+ if (s->face->overline_p)
+ {
+ unsigned long dy = 0, h = 1;
- case XK_Super_L:
- case XK_Super_R:
- dpyinfo->super_mod_mask |= (1 << row);
- break;
+ if (s->face->overline_color_defaulted_p)
+ XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
+ s->width, h);
+ else
+ {
+ XGCValues xgcv;
+ XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
+ XSetForeground (s->display, s->gc, s->face->overline_color);
+ XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
+ s->width, h);
+ XSetForeground (s->display, s->gc, xgcv.foreground);
+ }
+ }
- case XK_Shift_Lock:
- /* Ignore this if it's not on the lock modifier. */
- if ((1 << row) == LockMask)
- dpyinfo->shift_lock_mask = LockMask;
- break;
- }
- }
- }
+ /* Draw strike-through. */
+ if (s->face->strike_through_p)
+ {
+ unsigned long h = 1;
+ unsigned long dy = (s->height - h) / 2;
+
+ if (s->face->strike_through_color_defaulted_p)
+ XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
+ s->width, h);
+ else
+ {
+ XGCValues xgcv;
+ XGetGCValues (s->display, s->gc, GCForeground, &xgcv);
+ XSetForeground (s->display, s->gc, s->face->strike_through_color);
+ XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy,
+ s->width, h);
+ XSetForeground (s->display, s->gc, xgcv.foreground);
+ }
}
- }
- /* If we couldn't find any meta keys, accept any alt keys as meta keys. */
- if (! dpyinfo->meta_mod_mask)
- {
- dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask;
- dpyinfo->alt_mod_mask = 0;
+ /* Draw relief if not yet drawn. */
+ if (!relief_drawn_p && s->face->box != FACE_NO_BOX)
+ x_draw_glyph_string_box (s);
}
- /* If some keys are both alt and meta,
- make them just meta, not alt. */
- if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask)
- {
- dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask;
- }
+ /* Reset clipping. */
+ XSetClipMask (s->display, s->gc, None);
+}
- XFree ((char *) syms);
- XFreeModifiermap (mods);
+/* Shift display to make room for inserted glyphs. */
+
+void
+x_shift_glyphs_for_insert (f, x, y, width, height, shift_by)
+ struct frame *f;
+ int x, y, width, height, shift_by;
+{
+ XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), FRAME_X_WINDOW (f),
+ f->output_data.x->normal_gc,
+ x, y, width, height,
+ x + shift_by, y);
}
-/* Convert between the modifier bits X uses and the modifier bits
- Emacs uses. */
+/* Delete N glyphs at the nominal cursor position. Not implemented
+ for X frames. */
-static unsigned int
-x_x_to_emacs_modifiers (dpyinfo, state)
- struct x_display_info *dpyinfo;
- unsigned int state;
+static void
+x_delete_glyphs (n)
+ register int n;
{
- EMACS_UINT mod_meta = meta_modifier;
- EMACS_UINT mod_alt = alt_modifier;
- EMACS_UINT mod_hyper = hyper_modifier;
- EMACS_UINT mod_super = super_modifier;
- Lisp_Object tem;
+ abort ();
+}
- tem = Fget (Vx_alt_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_alt = XUINT (tem);
- tem = Fget (Vx_meta_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_meta = XUINT (tem);
- tem = Fget (Vx_hyper_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_hyper = XUINT (tem);
- tem = Fget (Vx_super_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_super = XUINT (tem);
+/* Like XClearArea, but check that WIDTH and HEIGHT are reasonable.
+ If they are <= 0, this is probably an error. */
- return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0)
- | ((state & ControlMask) ? ctrl_modifier : 0)
- | ((state & dpyinfo->meta_mod_mask) ? mod_meta : 0)
- | ((state & dpyinfo->alt_mod_mask) ? mod_alt : 0)
- | ((state & dpyinfo->super_mod_mask) ? mod_super : 0)
- | ((state & dpyinfo->hyper_mod_mask) ? mod_hyper : 0));
+void
+x_clear_area (dpy, window, x, y, width, height, exposures)
+ Display *dpy;
+ Window window;
+ int x, y;
+ int width, height;
+ int exposures;
+{
+ xassert (width > 0 && height > 0);
+ XClearArea (dpy, window, x, y, width, height, exposures);
}
-static unsigned int
-x_emacs_to_x_modifiers (dpyinfo, state)
- struct x_display_info *dpyinfo;
- unsigned int state;
+
+/* Clear entire frame. If updating_frame is non-null, clear that
+ frame. Otherwise clear the selected frame. */
+
+static void
+x_clear_frame ()
{
- EMACS_UINT mod_meta = meta_modifier;
- EMACS_UINT mod_alt = alt_modifier;
- EMACS_UINT mod_hyper = hyper_modifier;
- EMACS_UINT mod_super = super_modifier;
+ struct frame *f;
- Lisp_Object tem;
+ if (updating_frame)
+ f = updating_frame;
+ else
+ f = SELECTED_FRAME ();
- tem = Fget (Vx_alt_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_alt = XUINT (tem);
- tem = Fget (Vx_meta_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_meta = XUINT (tem);
- tem = Fget (Vx_hyper_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_hyper = XUINT (tem);
- tem = Fget (Vx_super_keysym, Qmodifier_value);
- if (! EQ (tem, Qnil)) mod_super = XUINT (tem);
+ /* Clearing the frame will erase any cursor, so mark them all as no
+ longer visible. */
+ mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f)));
+ output_cursor.hpos = output_cursor.vpos = 0;
+ output_cursor.x = -1;
+ /* We don't set the output cursor here because there will always
+ follow an explicit cursor_to. */
+ BLOCK_INPUT;
+ XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
- return ( ((state & mod_alt) ? dpyinfo->alt_mod_mask : 0)
- | ((state & mod_super) ? dpyinfo->super_mod_mask : 0)
- | ((state & mod_hyper) ? dpyinfo->hyper_mod_mask : 0)
- | ((state & shift_modifier) ? ShiftMask : 0)
- | ((state & ctrl_modifier) ? ControlMask : 0)
- | ((state & mod_meta) ? dpyinfo->meta_mod_mask : 0));
-}
+ /* We have to clear the scroll bars, too. If we have changed
+ colors or something like that, then they should be notified. */
+ x_scroll_bar_clear (f);
-/* Convert a keysym to its name. */
+ XFlush (FRAME_X_DISPLAY (f));
-char *
-x_get_keysym_name (keysym)
- KeySym keysym;
-{
- char *value;
+#ifdef USE_GTK
+ xg_frame_cleared (f);
+#endif
- BLOCK_INPUT;
- value = XKeysymToString (keysym);
UNBLOCK_INPUT;
-
- return value;
}
\f
-/* Mouse clicks and mouse movement. Rah. */
+/* Invert the middle quarter of the frame for .15 sec. */
-/* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph
- co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the
- glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do
- not force the value into range. */
+/* We use the select system call to do the waiting, so we have to make
+ sure it's available. If it isn't, we just won't do visual bells. */
+
+#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
-void
-pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip)
- FRAME_PTR f;
- register int pix_x, pix_y;
- register int *x, *y;
- XRectangle *bounds;
- int noclip;
-{
- /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down
- even for negative values. */
- if (pix_x < 0)
- pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1;
- if (pix_y < 0)
- pix_y -= (f)->output_data.x->line_height - 1;
- pix_x = PIXEL_TO_CHAR_COL (f, pix_x);
- pix_y = PIXEL_TO_CHAR_ROW (f, pix_y);
+/* Subtract the `struct timeval' values X and Y, storing the result in
+ *RESULT. Return 1 if the difference is negative, otherwise 0. */
- if (bounds)
+static int
+timeval_subtract (result, x, y)
+ struct timeval *result, x, y;
+{
+ /* Perform the carry for the later subtraction by updating y. This
+ is safer because on some systems the tv_sec member is unsigned. */
+ if (x.tv_usec < y.tv_usec)
{
- bounds->width = FONT_WIDTH (f->output_data.x->font);
- bounds->height = f->output_data.x->line_height;
- bounds->x = CHAR_TO_PIXEL_COL (f, pix_x);
- bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y);
+ int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1;
+ y.tv_usec -= 1000000 * nsec;
+ y.tv_sec += nsec;
}
- if (!noclip)
+ if (x.tv_usec - y.tv_usec > 1000000)
{
- if (pix_x < 0)
- pix_x = 0;
- else if (pix_x > FRAME_WINDOW_WIDTH (f))
- pix_x = FRAME_WINDOW_WIDTH (f);
-
- if (pix_y < 0)
- pix_y = 0;
- else if (pix_y > f->height)
- pix_y = f->height;
+ int nsec = (y.tv_usec - x.tv_usec) / 1000000;
+ y.tv_usec += 1000000 * nsec;
+ y.tv_sec -= nsec;
}
- *x = pix_x;
- *y = pix_y;
-}
-
+ /* Compute the time remaining to wait. tv_usec is certainly
+ positive. */
+ result->tv_sec = x.tv_sec - y.tv_sec;
+ result->tv_usec = x.tv_usec - y.tv_usec;
-/* Given HPOS/VPOS in the current matrix of W, return corresponding
- frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we
- can't tell the positions because W's display is not up to date,
- return 0. */
+ /* Return indication of whether the result should be considered
+ negative. */
+ return x.tv_sec < y.tv_sec;
+}
-int
-glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y)
- struct window *w;
- int hpos, vpos;
- int *frame_x, *frame_y;
+void
+XTflash (f)
+ struct frame *f;
{
- int success_p;
+ BLOCK_INPUT;
- xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w);
- xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h);
+ {
+ GC gc;
- if (display_completed)
+ /* Create a GC that will use the GXxor function to flip foreground
+ pixels into background pixels. */
{
- struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos);
- struct glyph *glyph = row->glyphs[TEXT_AREA];
- struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]);
+ XGCValues values;
- *frame_y = row->y;
- *frame_x = row->x;
- while (glyph < end)
- {
- *frame_x += glyph->pixel_width;
- ++glyph;
- }
+ values.function = GXxor;
+ values.foreground = (f->output_data.x->foreground_pixel
+ ^ f->output_data.x->background_pixel);
- success_p = 1;
- }
- else
- {
- *frame_y = *frame_x = 0;
- success_p = 0;
+ gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ GCFunction | GCForeground, &values);
}
- *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y);
- *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x);
- return success_p;
-}
-
-
-/* Prepare a mouse-event in *RESULT for placement in the input queue.
+ {
+ /* Get the height not including a menu bar widget. */
+ int height = CHAR_TO_PIXEL_HEIGHT (f, FRAME_HEIGHT (f));
+ /* Height of each line to flash. */
+ int flash_height = FRAME_LINE_HEIGHT (f);
+ /* These will be the left and right margins of the rectangles. */
+ int flash_left = FRAME_INTERNAL_BORDER_WIDTH (f);
+ int flash_right = PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f);
- If the event is a button press, then note that we have grabbed
- the mouse. */
+ int width;
-static Lisp_Object
-construct_mouse_click (result, event, f)
- struct input_event *result;
- XButtonEvent *event;
- struct frame *f;
-{
- /* Make the event type NO_EVENT; we'll change that when we decide
- otherwise. */
- result->kind = MOUSE_CLICK_EVENT;
- result->code = event->button - Button1;
- result->timestamp = event->time;
- result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
- event->state)
- | (event->type == ButtonRelease
- ? up_modifier
- : down_modifier));
+ /* Don't flash the area between a scroll bar and the frame
+ edge it is next to. */
+ switch (FRAME_VERTICAL_SCROLL_BAR_TYPE (f))
+ {
+ case vertical_scroll_bar_left:
+ flash_left += VERTICAL_SCROLL_BAR_WIDTH_TRIM;
+ break;
- XSETINT (result->x, event->x);
- XSETINT (result->y, event->y);
- XSETFRAME (result->frame_or_window, f);
- result->arg = Qnil;
- return Qnil;
-}
+ case vertical_scroll_bar_right:
+ flash_right -= VERTICAL_SCROLL_BAR_WIDTH_TRIM;
+ break;
-\f
-/* Function to report a mouse movement to the mainstream Emacs code.
- The input handler calls this.
+ default:
+ break;
+ }
- We have received a mouse movement event, which is given in *event.
- If the mouse is over a different glyph than it was last time, tell
- the mainstream emacs code by setting mouse_moved. If not, ask for
- another motion event, so we can check again the next time it moves. */
+ width = flash_right - flash_left;
-static XMotionEvent last_mouse_motion_event;
-static Lisp_Object last_mouse_motion_frame;
+ /* If window is tall, flash top and bottom line. */
+ if (height > 3 * FRAME_LINE_HEIGHT (f))
+ {
+ XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
+ flash_left,
+ (FRAME_INTERNAL_BORDER_WIDTH (f)
+ + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)),
+ width, flash_height);
+ XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
+ flash_left,
+ (height - flash_height
+ - FRAME_INTERNAL_BORDER_WIDTH (f)),
+ width, flash_height);
+ }
+ else
+ /* If it is short, flash it all. */
+ XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
+ flash_left, FRAME_INTERNAL_BORDER_WIDTH (f),
+ width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
-static void
-note_mouse_movement (frame, event)
- FRAME_PTR frame;
- XMotionEvent *event;
-{
- last_mouse_movement_time = event->time;
- last_mouse_motion_event = *event;
- XSETFRAME (last_mouse_motion_frame, frame);
+ x_flush (f);
- if (event->window != FRAME_X_WINDOW (frame))
- {
- frame->mouse_moved = 1;
- last_mouse_scroll_bar = Qnil;
- note_mouse_highlight (frame, -1, -1);
- }
+ {
+ struct timeval wakeup;
- /* Has the mouse moved off the glyph it was on at the last sighting? */
- else if (event->x < last_mouse_glyph.x
- || event->x >= last_mouse_glyph.x + last_mouse_glyph.width
- || event->y < last_mouse_glyph.y
- || event->y >= last_mouse_glyph.y + last_mouse_glyph.height)
- {
- frame->mouse_moved = 1;
- last_mouse_scroll_bar = Qnil;
- note_mouse_highlight (frame, event->x, event->y);
- }
-}
+ EMACS_GET_TIME (wakeup);
-\f
-/************************************************************************
- Mouse Face
- ************************************************************************/
+ /* Compute time to wait until, propagating carry from usecs. */
+ wakeup.tv_usec += 150000;
+ wakeup.tv_sec += (wakeup.tv_usec / 1000000);
+ wakeup.tv_usec %= 1000000;
-/* Find the glyph under window-relative coordinates X/Y in window W.
- Consider only glyphs from buffer text, i.e. no glyphs from overlay
- strings. Return in *HPOS and *VPOS the row and column number of
- the glyph found. Return in *AREA the glyph area containing X.
- Value is a pointer to the glyph found or null if X/Y is not on
- text, or we can't tell because W's current matrix is not up to
- date. */
+ /* Keep waiting until past the time wakeup or any input gets
+ available. */
+ while (! detect_input_pending ())
+ {
+ struct timeval current;
+ struct timeval timeout;
-static struct glyph *
-x_y_to_hpos_vpos (w, x, y, hpos, vpos, area, buffer_only_p)
- struct window *w;
- int x, y;
- int *hpos, *vpos, *area;
- int buffer_only_p;
-{
- struct glyph *glyph, *end;
- struct glyph_row *row = NULL;
- int x0, i, left_area_width;
+ EMACS_GET_TIME (current);
- /* Find row containing Y. Give up if some row is not enabled. */
- for (i = 0; i < w->current_matrix->nrows; ++i)
- {
- row = MATRIX_ROW (w->current_matrix, i);
- if (!row->enabled_p)
- return NULL;
- if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row))
- break;
- }
+ /* Break if result would be negative. */
+ if (timeval_subtract (¤t, wakeup, current))
+ break;
- *vpos = i;
- *hpos = 0;
+ /* How long `select' should wait. */
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 10000;
- /* Give up if Y is not in the window. */
- if (i == w->current_matrix->nrows)
- return NULL;
+ /* Try to wait that long--but we might wake up sooner. */
+ select (0, NULL, NULL, NULL, &timeout);
+ }
+ }
- /* Get the glyph area containing X. */
- if (w->pseudo_window_p)
- {
- *area = TEXT_AREA;
- x0 = 0;
- }
- else
- {
- left_area_width = window_box_width (w, LEFT_MARGIN_AREA);
- if (x < left_area_width)
- {
- *area = LEFT_MARGIN_AREA;
- x0 = 0;
- }
- else if (x < left_area_width + window_box_width (w, TEXT_AREA))
+ /* If window is tall, flash top and bottom line. */
+ if (height > 3 * FRAME_LINE_HEIGHT (f))
{
- *area = TEXT_AREA;
- x0 = row->x + left_area_width;
+ XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
+ flash_left,
+ (FRAME_INTERNAL_BORDER_WIDTH (f)
+ + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)),
+ width, flash_height);
+ XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
+ flash_left,
+ (height - flash_height
+ - FRAME_INTERNAL_BORDER_WIDTH (f)),
+ width, flash_height);
}
else
- {
- *area = RIGHT_MARGIN_AREA;
- x0 = left_area_width + window_box_width (w, TEXT_AREA);
- }
- }
-
- /* Find glyph containing X. */
- glyph = row->glyphs[*area];
- end = glyph + row->used[*area];
- while (glyph < end)
- {
- if (x < x0 + glyph->pixel_width)
- {
- if (w->pseudo_window_p)
- break;
- else if (!buffer_only_p || BUFFERP (glyph->object))
- break;
- }
+ /* If it is short, flash it all. */
+ XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
+ flash_left, FRAME_INTERNAL_BORDER_WIDTH (f),
+ width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
- x0 += glyph->pixel_width;
- ++glyph;
+ XFreeGC (FRAME_X_DISPLAY (f), gc);
+ x_flush (f);
}
+ }
- if (glyph == end)
- return NULL;
-
- *hpos = glyph - row->glyphs[*area];
- return glyph;
+ UNBLOCK_INPUT;
}
-
-/* Convert frame-relative x/y to coordinates relative to window W.
- Takes pseudo-windows into account. */
-
-static void
-frame_to_window_pixel_xy (w, x, y)
- struct window *w;
- int *x, *y;
-{
- if (w->pseudo_window_p)
- {
- /* A pseudo-window is always full-width, and starts at the
- left edge of the frame, plus a frame border. */
- struct frame *f = XFRAME (w->frame);
- *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f);
- *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y);
- }
- else
- {
- *x = FRAME_TO_WINDOW_PIXEL_X (w, *x);
- *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y);
- }
-}
+#endif /* defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) */
-/* Take proper action when mouse has moved to the mode or header line
- or marginal area of window W, x-position X and y-position Y. Area
- is 1, 3, 6 or 7 for the mode line, header line, left and right
- marginal area respectively. X is relative to the start of the text
- display area of W, so the width of bitmap areas and scroll bars
- must be subtracted to get a position relative to the start of the
- mode line. */
+/* Make audible bell. */
-static void
-note_mode_line_or_margin_highlight (w, x, y, portion)
- struct window *w;
- int x, y, portion;
+void
+XTring_bell ()
{
- struct frame *f = XFRAME (w->frame);
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- Cursor cursor = dpyinfo->vertical_scroll_bar_cursor;
- int charpos;
- Lisp_Object string, help, map, pos;
-
- if (portion == 1 || portion == 3)
- string = mode_line_string (w, x, y, portion == 1, &charpos);
- else
- string = marginal_area_string (w, x, y, portion, &charpos);
+ struct frame *f = SELECTED_FRAME ();
- if (STRINGP (string))
+ if (FRAME_X_DISPLAY (f))
{
- pos = make_number (charpos);
-
- /* If we're on a string with `help-echo' text property, arrange
- for the help to be displayed. This is done by setting the
- global variable help_echo to the help string. */
- help = Fget_text_property (pos, Qhelp_echo, string);
- if (!NILP (help))
+#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
+ if (visible_bell)
+ XTflash (f);
+ else
+#endif
{
- help_echo = help;
- XSETWINDOW (help_echo_window, w);
- help_echo_object = string;
- help_echo_pos = charpos;
+ BLOCK_INPUT;
+ XBell (FRAME_X_DISPLAY (f), 0);
+ XFlush (FRAME_X_DISPLAY (f));
+ UNBLOCK_INPUT;
}
-
- /* Change the mouse pointer according to what is under X/Y. */
- map = Fget_text_property (pos, Qlocal_map, string);
- if (!KEYMAPP (map))
- map = Fget_text_property (pos, Qkeymap, string);
- if (KEYMAPP (map))
- cursor = f->output_data.x->nontext_cursor;
}
-
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
}
-
-/* Take proper action when the mouse has moved to position X, Y on
- frame F as regards highlighting characters that have mouse-face
- properties. Also de-highlighting chars where the mouse was before.
- X and Y can be negative or out of range. */
+\f
+/* Specify how many text lines, from the top of the window,
+ should be affected by insert-lines and delete-lines operations.
+ This, and those operations, are used only within an update
+ that is bounded by calls to x_update_begin and x_update_end. */
static void
-note_mouse_highlight (f, x, y)
- struct frame *f;
- int x, y;
+XTset_terminal_window (n)
+ register int n;
{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- int portion;
- Lisp_Object window;
- struct window *w;
- Cursor cursor = None;
- struct buffer *b;
-
- /* When a menu is active, don't highlight because this looks odd. */
-#if defined (USE_X_TOOLKIT) || defined (USE_GTK)
- if (popup_activated ())
- return;
-#endif
+ /* This function intentionally left blank. */
+}
- if (NILP (Vmouse_highlight)
- || !f->glyphs_initialized_p)
- return;
- dpyinfo->mouse_face_mouse_x = x;
- dpyinfo->mouse_face_mouse_y = y;
- dpyinfo->mouse_face_mouse_frame = f;
+\f
+/***********************************************************************
+ Line Dance
+ ***********************************************************************/
- if (dpyinfo->mouse_face_defer)
- return;
+/* Perform an insert-lines or delete-lines operation, inserting N
+ lines or deleting -N lines at vertical position VPOS. */
- if (gc_in_progress)
- {
- dpyinfo->mouse_face_deferred_gc = 1;
- return;
- }
+static void
+x_ins_del_lines (vpos, n)
+ int vpos, n;
+{
+ abort ();
+}
- /* Which window is that in? */
- window = window_from_coordinates (f, x, y, &portion, 1);
- /* If we were displaying active text in another window, clear that. */
- if (! EQ (window, dpyinfo->mouse_face_window))
- clear_mouse_face (dpyinfo);
+/* Scroll part of the display as described by RUN. */
- /* Not on a window -> return. */
- if (!WINDOWP (window))
- return;
+static void
+x_scroll_run (w, run)
+ struct window *w;
+ struct run *run;
+{
+ struct frame *f = XFRAME (w->frame);
+ int x, y, width, height, from_y, to_y, bottom_y;
- /* Convert to window-relative pixel coordinates. */
- w = XWINDOW (window);
- frame_to_window_pixel_xy (w, &x, &y);
+ /* Get frame-relative bounding box of the text display area of W,
+ without mode lines. Include in this box the left and right
+ fringe of W. */
+ window_box (w, -1, &x, &y, &width, &height);
+ width += FRAME_X_FRINGE_WIDTH (f);
+ x -= FRAME_X_LEFT_FRINGE_WIDTH (f);
- /* Handle tool-bar window differently since it doesn't display a
- buffer. */
- if (EQ (window, f->tool_bar_window))
- {
- note_tool_bar_highlight (f, x, y);
- return;
- }
+ from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
+ to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
+ bottom_y = y + height;
- /* Mouse is on the mode, header line or margin? */
- if (portion == 1 || portion == 3 || portion == 6 || portion == 7)
+ if (to_y < from_y)
{
- note_mode_line_or_margin_highlight (w, x, y, portion);
- return;
+ /* Scrolling up. Make sure we don't copy part of the mode
+ line at the bottom. */
+ if (from_y + run->height > bottom_y)
+ height = bottom_y - from_y;
+ else
+ height = run->height;
}
-
- if (portion == 2)
- cursor = f->output_data.x->horizontal_drag_cursor;
else
- cursor = f->output_data.x->text_cursor;
-
- /* Are we in a window whose display is up to date?
- And verify the buffer's text has not changed. */
- b = XBUFFER (w->buffer);
- if (/* Within text portion of the window. */
- portion == 0
- && EQ (w->window_end_valid, w->buffer)
- && XFASTINT (w->last_modified) == BUF_MODIFF (b)
- && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b))
- {
- int hpos, vpos, pos, i, area;
- struct glyph *glyph;
- Lisp_Object object;
- Lisp_Object mouse_face = Qnil, overlay = Qnil, position;
- Lisp_Object *overlay_vec = NULL;
- int len, noverlays;
- struct buffer *obuf;
- int obegv, ozv, same_region;
-
- /* Find the glyph under X/Y. */
- glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area, 0);
-
- /* Clear mouse face if X/Y not over text. */
- if (glyph == NULL
- || area != TEXT_AREA
- || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p)
- {
- if (clear_mouse_face (dpyinfo))
- cursor = None;
- goto set_cursor;
- }
-
- pos = glyph->charpos;
- object = glyph->object;
- if (!STRINGP (object) && !BUFFERP (object))
- goto set_cursor;
-
- /* If we get an out-of-range value, return now; avoid an error. */
- if (BUFFERP (object) && pos > BUF_Z (b))
- goto set_cursor;
-
- /* Make the window's buffer temporarily current for
- overlays_at and compute_char_face. */
- obuf = current_buffer;
- current_buffer = b;
- obegv = BEGV;
- ozv = ZV;
- BEGV = BEG;
- ZV = Z;
-
- /* Is this char mouse-active or does it have help-echo? */
- position = make_number (pos);
-
- if (BUFFERP (object))
- {
- /* Put all the overlays we want in a vector in overlay_vec.
- Store the length in len. If there are more than 10, make
- enough space for all, and try again. */
- len = 10;
- overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
- noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0);
- if (noverlays > len)
- {
- len = noverlays;
- overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
- noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL,0);
- }
-
- /* Sort overlays into increasing priority order. */
- noverlays = sort_overlays (overlay_vec, noverlays, w);
- }
+ {
+ /* Scolling down. Make sure we don't copy over the mode line.
+ at the bottom. */
+ if (to_y + run->height > bottom_y)
+ height = bottom_y - to_y;
else
- noverlays = 0;
-
- same_region = (EQ (window, dpyinfo->mouse_face_window)
- && vpos >= dpyinfo->mouse_face_beg_row
- && vpos <= dpyinfo->mouse_face_end_row
- && (vpos > dpyinfo->mouse_face_beg_row
- || hpos >= dpyinfo->mouse_face_beg_col)
- && (vpos < dpyinfo->mouse_face_end_row
- || hpos < dpyinfo->mouse_face_end_col
- || dpyinfo->mouse_face_past_end));
-
- if (same_region)
- cursor = None;
-
- /* Check mouse-face highlighting. */
- if (! same_region
- /* If there exists an overlay with mouse-face overlapping
- the one we are currently highlighting, we have to
- check if we enter the overlapping overlay, and then
- highlight only that. */
- || (OVERLAYP (dpyinfo->mouse_face_overlay)
- && mouse_face_overlay_overlaps (dpyinfo->mouse_face_overlay)))
- {
- /* Find the highest priority overlay that has a mouse-face
- property. */
- overlay = Qnil;
- for (i = noverlays - 1; i >= 0 && NILP (overlay); --i)
- {
- mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face);
- if (!NILP (mouse_face))
- overlay = overlay_vec[i];
- }
-
- /* If we're actually highlighting the same overlay as
- before, there's no need to do that again. */
- if (!NILP (overlay)
- && EQ (overlay, dpyinfo->mouse_face_overlay))
- goto check_help_echo;
-
- dpyinfo->mouse_face_overlay = overlay;
-
- /* Clear the display of the old active region, if any. */
- if (clear_mouse_face (dpyinfo))
- cursor = None;
-
- /* If no overlay applies, get a text property. */
- if (NILP (overlay))
- mouse_face = Fget_text_property (position, Qmouse_face, object);
-
- /* Handle the overlay case. */
- if (!NILP (overlay))
- {
- /* Find the range of text around this char that
- should be active. */
- Lisp_Object before, after;
- int ignore;
-
- before = Foverlay_start (overlay);
- after = Foverlay_end (overlay);
- /* Record this as the current active region. */
- fast_find_position (w, XFASTINT (before),
- &dpyinfo->mouse_face_beg_col,
- &dpyinfo->mouse_face_beg_row,
- &dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y, Qnil);
-
- dpyinfo->mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y, Qnil);
- dpyinfo->mouse_face_window = window;
- dpyinfo->mouse_face_face_id
- = face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1,
- !dpyinfo->mouse_face_hidden);
-
- /* Display it as active. */
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- cursor = None;
- }
- /* Handle the text property case. */
- else if (!NILP (mouse_face) && BUFFERP (object))
- {
- /* Find the range of text around this char that
- should be active. */
- Lisp_Object before, after, beginning, end;
- int ignore;
-
- beginning = Fmarker_position (w->start);
- end = make_number (BUF_Z (XBUFFER (object))
- - XFASTINT (w->window_end_pos));
- before
- = Fprevious_single_property_change (make_number (pos + 1),
- Qmouse_face,
- object, beginning);
- after
- = Fnext_single_property_change (position, Qmouse_face,
- object, end);
-
- /* Record this as the current active region. */
- fast_find_position (w, XFASTINT (before),
- &dpyinfo->mouse_face_beg_col,
- &dpyinfo->mouse_face_beg_row,
- &dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y, Qnil);
- dpyinfo->mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y, Qnil);
- dpyinfo->mouse_face_window = window;
-
- if (BUFFERP (object))
- dpyinfo->mouse_face_face_id
- = face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1,
- !dpyinfo->mouse_face_hidden);
-
- /* Display it as active. */
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- cursor = None;
- }
- else if (!NILP (mouse_face) && STRINGP (object))
- {
- Lisp_Object b, e;
- int ignore;
-
- b = Fprevious_single_property_change (make_number (pos + 1),
- Qmouse_face,
- object, Qnil);
- e = Fnext_single_property_change (position, Qmouse_face,
- object, Qnil);
- if (NILP (b))
- b = make_number (0);
- if (NILP (e))
- e = make_number (SCHARS (object) - 1);
- fast_find_string_pos (w, XINT (b), object,
- &dpyinfo->mouse_face_beg_col,
- &dpyinfo->mouse_face_beg_row,
- &dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y, 0);
- fast_find_string_pos (w, XINT (e), object,
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y, 1);
- dpyinfo->mouse_face_past_end = 0;
- dpyinfo->mouse_face_window = window;
- dpyinfo->mouse_face_face_id
- = face_at_string_position (w, object, pos, 0, 0, 0, &ignore,
- glyph->face_id, 1);
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- cursor = None;
- }
- else if (STRINGP (object) && NILP (mouse_face))
- {
- /* A string which doesn't have mouse-face, but
- the text ``under'' it might have. */
- struct glyph_row *r = MATRIX_ROW (w->current_matrix, vpos);
- int start = MATRIX_ROW_START_CHARPOS (r);
-
- pos = string_buffer_position (w, object, start);
- if (pos > 0)
- mouse_face = get_char_property_and_overlay (make_number (pos),
- Qmouse_face,
- w->buffer,
- &overlay);
- if (!NILP (mouse_face) && !NILP (overlay))
- {
- Lisp_Object before = Foverlay_start (overlay);
- Lisp_Object after = Foverlay_end (overlay);
- int ignore;
-
- /* Note that we might not be able to find position
- BEFORE in the glyph matrix if the overlay is
- entirely covered by a `display' property. In
- this case, we overshoot. So let's stop in
- the glyph matrix before glyphs for OBJECT. */
- fast_find_position (w, XFASTINT (before),
- &dpyinfo->mouse_face_beg_col,
- &dpyinfo->mouse_face_beg_row,
- &dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y,
- object);
-
- dpyinfo->mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y,
- Qnil);
- dpyinfo->mouse_face_window = window;
- dpyinfo->mouse_face_face_id
- = face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1,
- !dpyinfo->mouse_face_hidden);
-
- /* Display it as active. */
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- cursor = None;
- }
- }
- }
-
- check_help_echo:
-
- /* Look for a `help-echo' property. */
- {
- Lisp_Object help, overlay;
+ height = run->height;
+ }
- /* Check overlays first. */
- help = overlay = Qnil;
- for (i = noverlays - 1; i >= 0 && NILP (help); --i)
- {
- overlay = overlay_vec[i];
- help = Foverlay_get (overlay, Qhelp_echo);
- }
+ BLOCK_INPUT;
- if (!NILP (help))
- {
- help_echo = help;
- help_echo_window = window;
- help_echo_object = overlay;
- help_echo_pos = pos;
- }
- else
- {
- Lisp_Object object = glyph->object;
- int charpos = glyph->charpos;
+ /* Cursor off. Will be switched on again in x_update_window_end. */
+ updated_window = w;
+ x_clear_cursor (w);
- /* Try text properties. */
- if (STRINGP (object)
- && charpos >= 0
- && charpos < SCHARS (object))
- {
- help = Fget_text_property (make_number (charpos),
- Qhelp_echo, object);
- if (NILP (help))
- {
- /* If the string itself doesn't specify a help-echo,
- see if the buffer text ``under'' it does. */
- struct glyph_row *r
- = MATRIX_ROW (w->current_matrix, vpos);
- int start = MATRIX_ROW_START_CHARPOS (r);
- int pos = string_buffer_position (w, object, start);
- if (pos > 0)
- {
- help = Fget_char_property (make_number (pos),
- Qhelp_echo, w->buffer);
- if (!NILP (help))
- {
- charpos = pos;
- object = w->buffer;
- }
- }
- }
- }
- else if (BUFFERP (object)
- && charpos >= BEGV
- && charpos < ZV)
- help = Fget_text_property (make_number (charpos), Qhelp_echo,
- object);
+ XCopyArea (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f), FRAME_X_WINDOW (f),
+ f->output_data.x->normal_gc,
+ x, from_y,
+ width, height,
+ x, to_y);
- if (!NILP (help))
- {
- help_echo = help;
- help_echo_window = window;
- help_echo_object = object;
- help_echo_pos = charpos;
- }
- }
- }
+ UNBLOCK_INPUT;
+}
- BEGV = obegv;
- ZV = ozv;
- current_buffer = obuf;
- }
- set_cursor:
+\f
+/***********************************************************************
+ Exposure Events
+ ***********************************************************************/
- if (cursor != None)
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
+\f
+static void
+frame_highlight (f)
+ struct frame *f;
+{
+ /* We used to only do this if Vx_no_window_manager was non-nil, but
+ the ICCCM (section 4.1.6) says that the window's border pixmap
+ and border pixel are window attributes which are "private to the
+ client", so we can always change it to whatever we want. */
+ BLOCK_INPUT;
+ XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ f->output_data.x->border_pixel);
+ UNBLOCK_INPUT;
+ x_update_cursor (f, 1);
}
static void
-redo_mouse_highlight ()
+frame_unhighlight (f)
+ struct frame *f;
{
- if (!NILP (last_mouse_motion_frame)
- && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame)))
- note_mouse_highlight (XFRAME (last_mouse_motion_frame),
- last_mouse_motion_event.x,
- last_mouse_motion_event.y);
+ /* We used to only do this if Vx_no_window_manager was non-nil, but
+ the ICCCM (section 4.1.6) says that the window's border pixmap
+ and border pixel are window attributes which are "private to the
+ client", so we can always change it to whatever we want. */
+ BLOCK_INPUT;
+ XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ f->output_data.x->border_tile);
+ UNBLOCK_INPUT;
+ x_update_cursor (f, 1);
}
+/* The focus has changed. Update the frames as necessary to reflect
+ the new situation. Note that we can't change the selected frame
+ here, because the Lisp code we are interrupting might become confused.
+ Each event gets marked with the frame in which it occurred, so the
+ Lisp code can tell when the switch took place by examining the events. */
-\f
-/***********************************************************************
- Tool-bars
- ***********************************************************************/
+static void
+x_new_focus_frame (dpyinfo, frame)
+ struct x_display_info *dpyinfo;
+ struct frame *frame;
+{
+ struct frame *old_focus = dpyinfo->x_focus_frame;
-static int x_tool_bar_item P_ ((struct frame *, int, int,
- struct glyph **, int *, int *, int *));
+ if (frame != dpyinfo->x_focus_frame)
+ {
+ /* Set this before calling other routines, so that they see
+ the correct value of x_focus_frame. */
+ dpyinfo->x_focus_frame = frame;
-/* Tool-bar item index of the item on which a mouse button was pressed
- or -1. */
+ if (old_focus && old_focus->auto_lower)
+ x_lower_frame (old_focus);
-static int last_tool_bar_item;
+#if 0
+ selected_frame = frame;
+ XSETFRAME (XWINDOW (selected_frame->selected_window)->frame,
+ selected_frame);
+ Fselect_window (selected_frame->selected_window, Qnil);
+ choose_minibuf_frame ();
+#endif /* ! 0 */
+ if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise)
+ pending_autoraise_frame = dpyinfo->x_focus_frame;
+ else
+ pending_autoraise_frame = 0;
+ }
-/* Get information about the tool-bar item at position X/Y on frame F.
- Return in *GLYPH a pointer to the glyph of the tool-bar item in
- the current matrix of the tool-bar window of F, or NULL if not
- on a tool-bar item. Return in *PROP_IDX the index of the tool-bar
- item in F->tool_bar_items. Value is
+ x_frame_rehighlight (dpyinfo);
+}
- -1 if X/Y is not on a tool-bar item
- 0 if X/Y is on the same item that was highlighted before.
- 1 otherwise. */
+/* Handle FocusIn and FocusOut state changes for FRAME.
+ If FRAME has focus and there exists more than one frame, puts
+ a FOCUS_IN_EVENT into BUFP.
+ Returns number of events inserted into BUFP. */
static int
-x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx)
- struct frame *f;
- int x, y;
- struct glyph **glyph;
- int *hpos, *vpos, *prop_idx;
-{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- struct window *w = XWINDOW (f->tool_bar_window);
- int area;
-
- /* Find the glyph under X/Y. */
- *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area, 0);
- if (*glyph == NULL)
- return -1;
-
- /* Get the start of this tool-bar item's properties in
- f->tool_bar_items. */
- if (!tool_bar_item_info (f, *glyph, prop_idx))
- return -1;
-
- /* Is mouse on the highlighted item? */
- if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window)
- && *vpos >= dpyinfo->mouse_face_beg_row
- && *vpos <= dpyinfo->mouse_face_end_row
- && (*vpos > dpyinfo->mouse_face_beg_row
- || *hpos >= dpyinfo->mouse_face_beg_col)
- && (*vpos < dpyinfo->mouse_face_end_row
- || *hpos < dpyinfo->mouse_face_end_col
- || dpyinfo->mouse_face_past_end))
- return 0;
-
- return 1;
-}
-
+x_focus_changed (type, state, dpyinfo, frame, bufp, numchars)
+ int type;
+ int state;
+ struct x_display_info *dpyinfo;
+ struct frame *frame;
+ struct input_event *bufp;
+ int numchars;
+{
+ int nr_events = 0;
-/* Handle mouse button event on the tool-bar of frame F, at
- frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
- or ButtonRelase. */
+ if (type == FocusIn)
+ {
+ if (dpyinfo->x_focus_event_frame != frame)
+ {
+ x_new_focus_frame (dpyinfo, frame);
+ dpyinfo->x_focus_event_frame = frame;
-static void
-x_handle_tool_bar_click (f, button_event)
- struct frame *f;
- XButtonEvent *button_event;
-{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- struct window *w = XWINDOW (f->tool_bar_window);
- int hpos, vpos, prop_idx;
- struct glyph *glyph;
- Lisp_Object enabled_p;
- int x = button_event->x;
- int y = button_event->y;
-
- /* If not on the highlighted tool-bar item, return. */
- frame_to_window_pixel_xy (w, &x, &y);
- if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0)
- return;
+ /* Don't stop displaying the initial startup message
+ for a switch-frame event we don't need. */
+ if (numchars > 0
+ && GC_NILP (Vterminal_frame)
+ && GC_CONSP (Vframe_list)
+ && !GC_NILP (XCDR (Vframe_list)))
+ {
+ bufp->kind = FOCUS_IN_EVENT;
+ XSETFRAME (bufp->frame_or_window, frame);
+ bufp->arg = Qnil;
+ ++bufp;
+ numchars--;
+ ++nr_events;
+ }
+ }
- /* If item is disabled, do nothing. */
- enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P);
- if (NILP (enabled_p))
- return;
+ frame->output_data.x->focus_state |= state;
- if (button_event->type == ButtonPress)
- {
- /* Show item in pressed state. */
- show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN);
- dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN;
- last_tool_bar_item = prop_idx;
+#ifdef HAVE_X_I18N
+ if (FRAME_XIC (frame))
+ XSetICFocus (FRAME_XIC (frame));
+#endif
}
- else
+ else if (type == FocusOut)
{
- Lisp_Object key, frame;
- struct input_event event;
-
- /* Show item in released state. */
- show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED);
- dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED;
-
- key = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_KEY);
+ frame->output_data.x->focus_state &= ~state;
- XSETFRAME (frame, f);
- event.kind = TOOL_BAR_EVENT;
- event.frame_or_window = frame;
- event.arg = frame;
- kbd_buffer_store_event (&event);
+ if (dpyinfo->x_focus_event_frame == frame)
+ {
+ dpyinfo->x_focus_event_frame = 0;
+ x_new_focus_frame (dpyinfo, 0);
+ }
- event.kind = TOOL_BAR_EVENT;
- event.frame_or_window = frame;
- event.arg = key;
- event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
- button_event->state);
- kbd_buffer_store_event (&event);
- last_tool_bar_item = -1;
+#ifdef HAVE_X_I18N
+ if (FRAME_XIC (frame))
+ XUnsetICFocus (FRAME_XIC (frame));
+#endif
}
+
+ return nr_events;
}
+/* The focus may have changed. Figure out if it is a real focus change,
+ by checking both FocusIn/Out and Enter/LeaveNotify events.
-/* Possibly highlight a tool-bar item on frame F when mouse moves to
- tool-bar window-relative coordinates X/Y. Called from
- note_mouse_highlight. */
+ Returns number of events inserted into BUFP. */
-static void
-note_tool_bar_highlight (f, x, y)
- struct frame *f;
- int x, y;
+static int
+x_detect_focus_change (dpyinfo, event, bufp, numchars)
+ struct x_display_info *dpyinfo;
+ XEvent *event;
+ struct input_event *bufp;
+ int numchars;
{
- Lisp_Object window = f->tool_bar_window;
- struct window *w = XWINDOW (window);
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- int hpos, vpos;
- struct glyph *glyph;
- struct glyph_row *row;
- int i;
- Lisp_Object enabled_p;
- int prop_idx;
- enum draw_glyphs_face draw;
- int mouse_down_p, rc;
+ struct frame *frame;
+ int nr_events = 0;
- /* Function note_mouse_highlight is called with negative x(y
- values when mouse moves outside of the frame. */
- if (x <= 0 || y <= 0)
- {
- clear_mouse_face (dpyinfo);
- return;
- }
+ frame = x_any_window_to_frame (dpyinfo, event->xany.window);
+ if (! frame) return nr_events;
- rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx);
- if (rc < 0)
+ switch (event->type)
{
- /* Not on tool-bar item. */
- clear_mouse_face (dpyinfo);
- return;
- }
- else if (rc == 0)
- goto set_help_echo;
-
- clear_mouse_face (dpyinfo);
+ case EnterNotify:
+ case LeaveNotify:
+ if (event->xcrossing.detail != NotifyInferior
+ && event->xcrossing.focus
+ && ! (frame->output_data.x->focus_state & FOCUS_EXPLICIT))
+ nr_events = x_focus_changed ((event->type == EnterNotify
+ ? FocusIn : FocusOut),
+ FOCUS_IMPLICIT,
+ dpyinfo,
+ frame,
+ bufp,
+ numchars);
+ break;
- /* Mouse is down, but on different tool-bar item? */
- mouse_down_p = (dpyinfo->grabbed
- && f == last_mouse_frame
- && FRAME_LIVE_P (f));
- if (mouse_down_p
- && last_tool_bar_item != prop_idx)
- return;
+ case FocusIn:
+ case FocusOut:
+ nr_events = x_focus_changed (event->type,
+ (event->xfocus.detail == NotifyPointer
+ ? FOCUS_IMPLICIT : FOCUS_EXPLICIT),
+ dpyinfo,
+ frame,
+ bufp,
+ numchars);
+ break;
+ }
- dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT;
- draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED;
+ return nr_events;
+}
- /* If tool-bar item is not enabled, don't highlight it. */
- enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P);
- if (!NILP (enabled_p))
- {
- /* Compute the x-position of the glyph. In front and past the
- image is a space. We include this is the highlighted area. */
- row = MATRIX_ROW (w->current_matrix, vpos);
- for (i = x = 0; i < hpos; ++i)
- x += row->glyphs[TEXT_AREA][i].pixel_width;
- /* Record this as the current active region. */
- dpyinfo->mouse_face_beg_col = hpos;
- dpyinfo->mouse_face_beg_row = vpos;
- dpyinfo->mouse_face_beg_x = x;
- dpyinfo->mouse_face_beg_y = row->y;
- dpyinfo->mouse_face_past_end = 0;
+/* Handle an event saying the mouse has moved out of an Emacs frame. */
- dpyinfo->mouse_face_end_col = hpos + 1;
- dpyinfo->mouse_face_end_row = vpos;
- dpyinfo->mouse_face_end_x = x + glyph->pixel_width;
- dpyinfo->mouse_face_end_y = row->y;
- dpyinfo->mouse_face_window = window;
- dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID;
+void
+x_mouse_leave (dpyinfo)
+ struct x_display_info *dpyinfo;
+{
+ x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame);
+}
- /* Display it as active. */
- show_mouse_face (dpyinfo, draw);
- dpyinfo->mouse_face_image_state = draw;
- }
+/* The focus has changed, or we have redirected a frame's focus to
+ another frame (this happens when a frame uses a surrogate
+ mini-buffer frame). Shift the highlight as appropriate.
- set_help_echo:
+ The FRAME argument doesn't necessarily have anything to do with which
+ frame is being highlighted or un-highlighted; we only use it to find
+ the appropriate X display info. */
- /* Set help_echo to a help string to display for this tool-bar item.
- XTread_socket does the rest. */
- help_echo_object = help_echo_window = Qnil;
- help_echo_pos = -1;
- help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_HELP);
- if (NILP (help_echo))
- help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_CAPTION);
+static void
+XTframe_rehighlight (frame)
+ struct frame *frame;
+{
+ x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame));
}
-
-\f
-/* Find the glyph matrix position of buffer position CHARPOS in window
- *W. HPOS, *VPOS, *X, and *Y are set to the positions found. W's
- current glyphs must be up to date. If CHARPOS is above window
- start return (0, 0, 0, 0). If CHARPOS is after end of W, return end
- of last line in W. In the row containing CHARPOS, stop before glyphs
- having STOP as object. */
-
-#if 0 /* This is a version of fast_find_position that's more correct
- in the presence of hscrolling, for example. I didn't install
- it right away because the problem fixed is minor, it failed
- in 20.x as well, and I think it's too risky to install
- so near the release of 21.1. 2001-09-25 gerd. */
-
-static int
-fast_find_position (w, charpos, hpos, vpos, x, y, stop)
- struct window *w;
- int charpos;
- int *hpos, *vpos, *x, *y;
- Lisp_Object stop;
+static void
+x_frame_rehighlight (dpyinfo)
+ struct x_display_info *dpyinfo;
{
- struct glyph_row *row, *first;
- struct glyph *glyph, *end;
- int i, past_end = 0;
+ struct frame *old_highlight = dpyinfo->x_highlight_frame;
- first = MATRIX_FIRST_TEXT_ROW (w->current_matrix);
- row = row_containing_pos (w, charpos, first, NULL, 0);
- if (row == NULL)
+ if (dpyinfo->x_focus_frame)
{
- if (charpos < MATRIX_ROW_START_CHARPOS (first))
- {
- *x = *y = *hpos = *vpos = 0;
- return 0;
- }
- else
+ dpyinfo->x_highlight_frame
+ = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)))
+ ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
+ : dpyinfo->x_focus_frame);
+ if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame))
{
- row = MATRIX_ROW (w->current_matrix, XFASTINT (w->window_end_vpos));
- past_end = 1;
+ FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil;
+ dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame;
}
}
+ else
+ dpyinfo->x_highlight_frame = 0;
- *x = row->x;
- *y = row->y;
- *vpos = MATRIX_ROW_VPOS (row, w->current_matrix);
-
- glyph = row->glyphs[TEXT_AREA];
- end = glyph + row->used[TEXT_AREA];
-
- /* Skip over glyphs not having an object at the start of the row.
- These are special glyphs like truncation marks on terminal
- frames. */
- if (row->displays_text_p)
- while (glyph < end
- && INTEGERP (glyph->object)
- && !EQ (stop, glyph->object)
- && glyph->charpos < 0)
- {
- *x += glyph->pixel_width;
- ++glyph;
- }
-
- while (glyph < end
- && !INTEGERP (glyph->object)
- && !EQ (stop, glyph->object)
- && (!BUFFERP (glyph->object)
- || glyph->charpos < charpos))
+ if (dpyinfo->x_highlight_frame != old_highlight)
{
- *x += glyph->pixel_width;
- ++glyph;
+ if (old_highlight)
+ frame_unhighlight (old_highlight);
+ if (dpyinfo->x_highlight_frame)
+ frame_highlight (dpyinfo->x_highlight_frame);
}
-
- *hpos = glyph - row->glyphs[TEXT_AREA];
- return past_end;
}
-#else /* not 0 */
-static int
-fast_find_position (w, pos, hpos, vpos, x, y, stop)
- struct window *w;
- int pos;
- int *hpos, *vpos, *x, *y;
- Lisp_Object stop;
-{
- int i;
- int lastcol;
- int maybe_next_line_p = 0;
- int line_start_position;
- int yb = window_text_bottom_y (w);
- struct glyph_row *row, *best_row;
- int row_vpos, best_row_vpos;
- int current_x;
-
- row = best_row = MATRIX_FIRST_TEXT_ROW (w->current_matrix);
- row_vpos = best_row_vpos = MATRIX_ROW_VPOS (row, w->current_matrix);
+\f
+/* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */
- while (row->y < yb)
- {
- if (row->used[TEXT_AREA])
- line_start_position = row->glyphs[TEXT_AREA]->charpos;
- else
- line_start_position = 0;
+/* Initialize mode_switch_bit and modifier_meaning. */
+static void
+x_find_modifier_meanings (dpyinfo)
+ struct x_display_info *dpyinfo;
+{
+ int min_code, max_code;
+ KeySym *syms;
+ int syms_per_code;
+ XModifierKeymap *mods;
- if (line_start_position > pos)
- break;
- /* If the position sought is the end of the buffer,
- don't include the blank lines at the bottom of the window. */
- else if (line_start_position == pos
- && pos == BUF_ZV (XBUFFER (w->buffer)))
- {
- maybe_next_line_p = 1;
- break;
- }
- else if (line_start_position > 0)
- {
- best_row = row;
- best_row_vpos = row_vpos;
- }
+ dpyinfo->meta_mod_mask = 0;
+ dpyinfo->shift_lock_mask = 0;
+ dpyinfo->alt_mod_mask = 0;
+ dpyinfo->super_mod_mask = 0;
+ dpyinfo->hyper_mod_mask = 0;
- if (row->y + row->height >= yb)
- break;
+#ifdef HAVE_X11R4
+ XDisplayKeycodes (dpyinfo->display, &min_code, &max_code);
+#else
+ min_code = dpyinfo->display->min_keycode;
+ max_code = dpyinfo->display->max_keycode;
+#endif
- ++row;
- ++row_vpos;
- }
+ syms = XGetKeyboardMapping (dpyinfo->display,
+ min_code, max_code - min_code + 1,
+ &syms_per_code);
+ mods = XGetModifierMapping (dpyinfo->display);
- /* Find the right column within BEST_ROW. */
- lastcol = 0;
- current_x = best_row->x;
- for (i = 0; i < best_row->used[TEXT_AREA]; i++)
- {
- struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i;
- int charpos = glyph->charpos;
+ /* Scan the modifier table to see which modifier bits the Meta and
+ Alt keysyms are on. */
+ {
+ int row, col; /* The row and column in the modifier table. */
- if (BUFFERP (glyph->object))
+ for (row = 3; row < 8; row++)
+ for (col = 0; col < mods->max_keypermod; col++)
{
- if (charpos == pos)
- {
- *hpos = i;
- *vpos = best_row_vpos;
- *x = current_x;
- *y = best_row->y;
- return 1;
- }
- else if (charpos > pos)
- break;
- }
- else if (EQ (glyph->object, stop))
- break;
-
- if (charpos > 0)
- lastcol = i;
- current_x += glyph->pixel_width;
- }
-
- /* If we're looking for the end of the buffer,
- and we didn't find it in the line we scanned,
- use the start of the following line. */
- if (maybe_next_line_p)
- {
- ++best_row;
- ++best_row_vpos;
- lastcol = 0;
- current_x = best_row->x;
- }
-
- *vpos = best_row_vpos;
- *hpos = lastcol + 1;
- *x = current_x;
- *y = best_row->y;
- return 0;
-}
+ KeyCode code
+ = mods->modifiermap[(row * mods->max_keypermod) + col];
-#endif /* not 0 */
+ /* Zeroes are used for filler. Skip them. */
+ if (code == 0)
+ continue;
+ /* Are any of this keycode's keysyms a meta key? */
+ {
+ int code_col;
-/* Find the position of the glyph for position POS in OBJECT in
- window W's current matrix, and return in *X, *Y the pixel
- coordinates, and return in *HPOS, *VPOS the column/row of the glyph.
+ for (code_col = 0; code_col < syms_per_code; code_col++)
+ {
+ int sym = syms[((code - min_code) * syms_per_code) + code_col];
- RIGHT_P non-zero means return the position of the right edge of the
- glyph, RIGHT_P zero means return the left edge position.
+ switch (sym)
+ {
+ case XK_Meta_L:
+ case XK_Meta_R:
+ dpyinfo->meta_mod_mask |= (1 << row);
+ break;
- If no glyph for POS exists in the matrix, return the position of
- the glyph with the next smaller position that is in the matrix, if
- RIGHT_P is zero. If RIGHT_P is non-zero, and no glyph for POS
- exists in the matrix, return the position of the glyph with the
- next larger position in OBJECT.
+ case XK_Alt_L:
+ case XK_Alt_R:
+ dpyinfo->alt_mod_mask |= (1 << row);
+ break;
- Value is non-zero if a glyph was found. */
+ case XK_Hyper_L:
+ case XK_Hyper_R:
+ dpyinfo->hyper_mod_mask |= (1 << row);
+ break;
-static int
-fast_find_string_pos (w, pos, object, hpos, vpos, x, y, right_p)
- struct window *w;
- int pos;
- Lisp_Object object;
- int *hpos, *vpos, *x, *y;
- int right_p;
-{
- int yb = window_text_bottom_y (w);
- struct glyph_row *r;
- struct glyph *best_glyph = NULL;
- struct glyph_row *best_row = NULL;
- int best_x = 0;
-
- for (r = MATRIX_FIRST_TEXT_ROW (w->current_matrix);
- r->enabled_p && r->y < yb;
- ++r)
- {
- struct glyph *g = r->glyphs[TEXT_AREA];
- struct glyph *e = g + r->used[TEXT_AREA];
- int gx;
-
- for (gx = r->x; g < e; gx += g->pixel_width, ++g)
- if (EQ (g->object, object))
- {
- if (g->charpos == pos)
- {
- best_glyph = g;
- best_x = gx;
- best_row = r;
- goto found;
- }
- else if (best_glyph == NULL
- || ((abs (g->charpos - pos)
- < abs (best_glyph->charpos - pos))
- && (right_p
- ? g->charpos < pos
- : g->charpos > pos)))
- {
- best_glyph = g;
- best_x = gx;
- best_row = r;
+ case XK_Super_L:
+ case XK_Super_R:
+ dpyinfo->super_mod_mask |= (1 << row);
+ break;
+
+ case XK_Shift_Lock:
+ /* Ignore this if it's not on the lock modifier. */
+ if ((1 << row) == LockMask)
+ dpyinfo->shift_lock_mask = LockMask;
+ break;
+ }
}
}
- }
-
- found:
+ }
+ }
- if (best_glyph)
+ /* If we couldn't find any meta keys, accept any alt keys as meta keys. */
+ if (! dpyinfo->meta_mod_mask)
{
- *x = best_x;
- *hpos = best_glyph - best_row->glyphs[TEXT_AREA];
-
- if (right_p)
- {
- *x += best_glyph->pixel_width;
- ++*hpos;
- }
+ dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask;
+ dpyinfo->alt_mod_mask = 0;
+ }
- *y = best_row->y;
- *vpos = best_row - w->current_matrix->rows;
+ /* If some keys are both alt and meta,
+ make them just meta, not alt. */
+ if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask)
+ {
+ dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask;
}
- return best_glyph != NULL;
+ XFree ((char *) syms);
+ XFreeModifiermap (mods);
}
+/* Convert between the modifier bits X uses and the modifier bits
+ Emacs uses. */
-/* Display the active region described by mouse_face_*
- in its mouse-face if HL > 0, in its normal face if HL = 0. */
-
-static void
-show_mouse_face (dpyinfo, draw)
+static unsigned int
+x_x_to_emacs_modifiers (dpyinfo, state)
struct x_display_info *dpyinfo;
- enum draw_glyphs_face draw;
+ unsigned int state;
{
- struct window *w = XWINDOW (dpyinfo->mouse_face_window);
- struct frame *f = XFRAME (WINDOW_FRAME (w));
+ EMACS_UINT mod_meta = meta_modifier;
+ EMACS_UINT mod_alt = alt_modifier;
+ EMACS_UINT mod_hyper = hyper_modifier;
+ EMACS_UINT mod_super = super_modifier;
+ Lisp_Object tem;
- if (/* If window is in the process of being destroyed, don't bother
- to do anything. */
- w->current_matrix != NULL
- /* Don't update mouse highlight if hidden */
- && (draw != DRAW_MOUSE_FACE || !dpyinfo->mouse_face_hidden)
- /* Recognize when we are called to operate on rows that don't exist
- anymore. This can happen when a window is split. */
- && dpyinfo->mouse_face_end_row < w->current_matrix->nrows)
- {
- int phys_cursor_on_p = w->phys_cursor_on_p;
- struct glyph_row *row, *first, *last;
+ tem = Fget (Vx_alt_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_alt = XUINT (tem);
+ tem = Fget (Vx_meta_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_meta = XUINT (tem);
+ tem = Fget (Vx_hyper_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_hyper = XUINT (tem);
+ tem = Fget (Vx_super_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_super = XUINT (tem);
- first = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_beg_row);
- last = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_end_row);
- for (row = first; row <= last && row->enabled_p; ++row)
- {
- int start_hpos, end_hpos, start_x;
+ return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0)
+ | ((state & ControlMask) ? ctrl_modifier : 0)
+ | ((state & dpyinfo->meta_mod_mask) ? mod_meta : 0)
+ | ((state & dpyinfo->alt_mod_mask) ? mod_alt : 0)
+ | ((state & dpyinfo->super_mod_mask) ? mod_super : 0)
+ | ((state & dpyinfo->hyper_mod_mask) ? mod_hyper : 0));
+}
- /* For all but the first row, the highlight starts at column 0. */
- if (row == first)
- {
- start_hpos = dpyinfo->mouse_face_beg_col;
- start_x = dpyinfo->mouse_face_beg_x;
- }
- else
- {
- start_hpos = 0;
- start_x = 0;
- }
+static unsigned int
+x_emacs_to_x_modifiers (dpyinfo, state)
+ struct x_display_info *dpyinfo;
+ unsigned int state;
+{
+ EMACS_UINT mod_meta = meta_modifier;
+ EMACS_UINT mod_alt = alt_modifier;
+ EMACS_UINT mod_hyper = hyper_modifier;
+ EMACS_UINT mod_super = super_modifier;
- if (row == last)
- end_hpos = dpyinfo->mouse_face_end_col;
- else
- end_hpos = row->used[TEXT_AREA];
+ Lisp_Object tem;
- if (end_hpos > start_hpos)
- {
- x_draw_glyphs (w, start_x, row, TEXT_AREA,
- start_hpos, end_hpos, draw, 0);
+ tem = Fget (Vx_alt_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_alt = XUINT (tem);
+ tem = Fget (Vx_meta_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_meta = XUINT (tem);
+ tem = Fget (Vx_hyper_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_hyper = XUINT (tem);
+ tem = Fget (Vx_super_keysym, Qmodifier_value);
+ if (! EQ (tem, Qnil)) mod_super = XUINT (tem);
- row->mouse_face_p
- = draw == DRAW_MOUSE_FACE || draw == DRAW_IMAGE_RAISED;
- }
- }
- /* When we've written over the cursor, arrange for it to
- be displayed again. */
- if (phys_cursor_on_p && !w->phys_cursor_on_p)
- x_display_cursor (w, 1,
- w->phys_cursor.hpos, w->phys_cursor.vpos,
- w->phys_cursor.x, w->phys_cursor.y);
- }
-
- /* Change the mouse cursor. */
- if (draw == DRAW_NORMAL_TEXT)
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->text_cursor);
- else if (draw == DRAW_MOUSE_FACE)
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->cross_cursor);
- else
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->nontext_cursor);
+ return ( ((state & mod_alt) ? dpyinfo->alt_mod_mask : 0)
+ | ((state & mod_super) ? dpyinfo->super_mod_mask : 0)
+ | ((state & mod_hyper) ? dpyinfo->hyper_mod_mask : 0)
+ | ((state & shift_modifier) ? ShiftMask : 0)
+ | ((state & ctrl_modifier) ? ControlMask : 0)
+ | ((state & mod_meta) ? dpyinfo->meta_mod_mask : 0));
}
-/* Clear out the mouse-highlighted active region.
- Redraw it un-highlighted first. Value is non-zero if mouse
- face was actually drawn unhighlighted. */
+/* Convert a keysym to its name. */
-static int
-clear_mouse_face (dpyinfo)
- struct x_display_info *dpyinfo;
+char *
+x_get_keysym_name (keysym)
+ KeySym keysym;
{
- int cleared = 0;
+ char *value;
- if (!NILP (dpyinfo->mouse_face_window))
- {
- show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT);
- cleared = 1;
- }
+ BLOCK_INPUT;
+ value = XKeysymToString (keysym);
+ UNBLOCK_INPUT;
- dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
- dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
- dpyinfo->mouse_face_window = Qnil;
- dpyinfo->mouse_face_overlay = Qnil;
- return cleared;
+ return value;
}
-/* Clear any mouse-face on window W. This function is part of the
- redisplay interface, and is called from try_window_id and similar
- functions to ensure the mouse-highlight is off. */
+\f
+/* Mouse clicks and mouse movement. Rah. */
-static void
-x_clear_mouse_face (w)
- struct window *w;
+/* Prepare a mouse-event in *RESULT for placement in the input queue.
+
+ If the event is a button press, then note that we have grabbed
+ the mouse. */
+
+static Lisp_Object
+construct_mouse_click (result, event, f)
+ struct input_event *result;
+ XButtonEvent *event;
+ struct frame *f;
{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame));
- Lisp_Object window;
+ /* Make the event type NO_EVENT; we'll change that when we decide
+ otherwise. */
+ result->kind = MOUSE_CLICK_EVENT;
+ result->code = event->button - Button1;
+ result->timestamp = event->time;
+ result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
+ event->state)
+ | (event->type == ButtonRelease
+ ? up_modifier
+ : down_modifier));
- BLOCK_INPUT;
- XSETWINDOW (window, w);
- if (EQ (window, dpyinfo->mouse_face_window))
- clear_mouse_face (dpyinfo);
- UNBLOCK_INPUT;
+ XSETINT (result->x, event->x);
+ XSETINT (result->y, event->y);
+ XSETFRAME (result->frame_or_window, f);
+ result->arg = Qnil;
+ return Qnil;
}
+\f
+/* Function to report a mouse movement to the mainstream Emacs code.
+ The input handler calls this.
+
+ We have received a mouse movement event, which is given in *event.
+ If the mouse is over a different glyph than it was last time, tell
+ the mainstream emacs code by setting mouse_moved. If not, ask for
+ another motion event, so we can check again the next time it moves. */
-/* Just discard the mouse face information for frame F, if any.
- This is used when the size of F is changed. */
+static XMotionEvent last_mouse_motion_event;
+static Lisp_Object last_mouse_motion_frame;
-void
-cancel_mouse_face (f)
- FRAME_PTR f;
+static void
+note_mouse_movement (frame, event)
+ FRAME_PTR frame;
+ XMotionEvent *event;
{
- Lisp_Object window;
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ last_mouse_movement_time = event->time;
+ last_mouse_motion_event = *event;
+ XSETFRAME (last_mouse_motion_frame, frame);
- window = dpyinfo->mouse_face_window;
- if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f)
+ if (event->window != FRAME_X_WINDOW (frame))
{
- dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
- dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
- dpyinfo->mouse_face_window = Qnil;
+ frame->mouse_moved = 1;
+ last_mouse_scroll_bar = Qnil;
+ note_mouse_highlight (frame, -1, -1);
+ }
+
+ /* Has the mouse moved off the glyph it was on at the last sighting? */
+ else if (event->x < last_mouse_glyph.x
+ || event->x >= last_mouse_glyph.x + last_mouse_glyph.width
+ || event->y < last_mouse_glyph.y
+ || event->y >= last_mouse_glyph.y + last_mouse_glyph.height)
+ {
+ frame->mouse_moved = 1;
+ last_mouse_scroll_bar = Qnil;
+ note_mouse_highlight (frame, event->x, event->y);
}
}
\f
+/************************************************************************
+ Mouse Face
+ ************************************************************************/
+
+static void
+redo_mouse_highlight ()
+{
+ if (!NILP (last_mouse_motion_frame)
+ && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame)))
+ note_mouse_highlight (XFRAME (last_mouse_motion_frame),
+ last_mouse_motion_event.x,
+ last_mouse_motion_event.y);
+}
+
+
static int glyph_rect P_ ((struct frame *f, int, int, XRectangle *));
XRectangle *rect;
{
Lisp_Object window;
- int part, found = 0;
+ int found = 0;
- window = window_from_coordinates (f, x, y, &part, 0);
+ window = window_from_coordinates (f, x, y, 0, 0);
if (!NILP (window))
{
struct window *w = XWINDOW (window);
}
-#ifdef USE_X_TOOLKIT
-
-/* Atimer callback function for TIMER. Called every 0.1s to process
- Xt timeouts, if needed. We must avoid calling XtAppPending as
- much as possible because that function does an implicit XFlush
- that slows us down. */
-
-static void
-x_process_timeouts (timer)
- struct atimer *timer;
-{
- if (toolkit_scroll_bar_interaction || popup_activated ())
- {
- BLOCK_INPUT;
- while (XtAppPending (Xt_app_con) & XtIMTimer)
- XtAppProcessEvent (Xt_app_con, XtIMTimer);
- UNBLOCK_INPUT;
- }
-}
-
-#endif /* USE_X_TOOLKIT */
-
\f
+/***********************************************************************
+ Scroll bars
+ ***********************************************************************/
+
/* Scroll bar support. */
/* Given an X window ID, find the struct scroll_bar which manages it.
{
Lisp_Object tail;
+#ifdef USE_GTK
+ window_id = (Window) xg_get_scroll_id_for_window (window_id);
+#endif /* USE_GTK */
+
for (tail = Vframe_list;
XGCTYPE (tail) == Lisp_Cons;
tail = XCDR (tail))
static Boolean xaw3d_pick_top;
+extern void set_vertical_scroll_bar P_ ((struct window *));
/* Action hook installed via XtAppAddActionHook when toolkit scroll
bars are used.. The hook is responsible for detecting when
x_send_scroll_bar_event (window_being_scrolled,
scroll_bar_end_scroll, 0, 0);
w = XWINDOW (window_being_scrolled);
- XSCROLL_BAR (w->vertical_scroll_bar)->dragging = Qnil;
+
+ if (!NILP (XSCROLL_BAR (w->vertical_scroll_bar)->dragging))
+ {
+ XSCROLL_BAR (w->vertical_scroll_bar)->dragging = Qnil;
+ /* The thumb size is incorrect while dragging: fix it. */
+ set_vertical_scroll_bar (w);
+ }
window_being_scrolled = Qnil;
last_scroll_bar_part = -1;
/* Minimum and maximum values used for Motif scroll bars. */
-#define XM_SB_MIN 1
#define XM_SB_MAX 10000000
-#define XM_SB_RANGE (XM_SB_MAX - XM_SB_MIN)
/* Scroll bar callback for Motif scroll bars. WIDGET is the scroll
case XmCR_DRAG:
{
int slider_size;
- int dragging_down_p = (INTEGERP (bar->dragging)
- && XINT (bar->dragging) <= cs->value);
/* Get the slider size. */
BLOCK_INPUT;
XtVaGetValues (widget, XmNsliderSize, &slider_size, NULL);
UNBLOCK_INPUT;
- whole = XM_SB_RANGE - slider_size;
- portion = min (cs->value - XM_SB_MIN, whole);
+ whole = XM_SB_MAX - slider_size;
+ portion = min (cs->value, whole);
part = scroll_bar_handle;
bar->dragging = make_number (cs->value);
}
#else /* !USE_MOTIF, i.e. Xaw or GTK */
#ifdef USE_GTK
-/* Scroll bar callback for Gtk scroll bars. WIDGET is the scroll
- bar adjustment widget. DATA is a pointer to the scroll_bar structure. */
+/* Scroll bar callback for GTK scroll bars. WIDGET is the scroll
+ bar widget. DATA is a pointer to the scroll_bar structure. */
static void
xg_scroll_callback (widget, data)
- GtkWidget *widget;
+ GtkRange *widget;
gpointer data;
{
struct scroll_bar *bar = (struct scroll_bar *) data;
gdouble position;
gdouble *p;
int diff;
-
+
int part = -1, whole = 0, portion = 0;
- GtkAdjustment *adj = GTK_ADJUSTMENT (widget);
-
+ GtkAdjustment *adj = GTK_ADJUSTMENT (gtk_range_get_adjustment (widget));
+
if (xg_ignore_gtk_scrollbar) return;
-
+
position = gtk_adjustment_get_value (adj);
p = g_object_get_data (G_OBJECT (widget), XG_LAST_SB_DATA);
*p = position;
diff = (int) (position - previous);
-
+
if (diff == (int) adj->step_increment)
{
part = scroll_bar_down_arrow;
{
part = scroll_bar_handle;
whole = adj->upper - adj->page_size;
- portion = min (position, whole);
- bar->dragging = make_number (portion);
+ portion = min ((int)position, whole);
+ bar->dragging = make_number ((int)portion);
}
-
+
if (part >= 0)
{
- xg_ignore_next_thumb = 1;
window_being_scrolled = bar->window;
last_scroll_bar_part = part;
x_send_scroll_bar_event (bar->window, part, portion, whole);
#ifdef USE_MOTIF
/* Set resources. Create the widget. */
XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac;
- XtSetArg (av[ac], XmNminimum, XM_SB_MIN); ++ac;
+ XtSetArg (av[ac], XmNminimum, 0); ++ac;
XtSetArg (av[ac], XmNmaximum, XM_SB_MAX); ++ac;
XtSetArg (av[ac], XmNorientation, XmVERTICAL); ++ac;
XtSetArg (av[ac], XmNprocessingDirection, XmMAX_ON_BOTTOM), ++ac;
/* Slider size. Must be in the range [1 .. MAX - MIN] where MAX
is the scroll bar's maximum and MIN is the scroll bar's minimum
value. */
- size = shown * XM_SB_RANGE;
- size = min (size, XM_SB_RANGE);
+ size = shown * XM_SB_MAX;
+ size = min (size, XM_SB_MAX);
size = max (size, 1);
/* Position. Must be in the range [MIN .. MAX - SLIDER_SIZE]. */
- value = top * XM_SB_RANGE;
+ value = top * XM_SB_MAX;
value = min (value, XM_SB_MAX - size);
- value = max (value, XM_SB_MIN);
XmScrollBarSetValues (widget, value, size, 0, 0, False);
}
top,
left + VERTICAL_SCROLL_BAR_WIDTH_TRIM,
width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2,
- max (height, 1));
+ max (height, 1),
+ left,
+ width);
xg_show_scroll_bar (SCROLL_BAR_X_WINDOW (bar));
#else /* not USE_GTK */
Widget scroll_bar = SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar);
top,
sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM,
sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2,
- max (height, 1));
+ max (height, 1),
+ left,
+ width);
#else /* not USE_GTK */
/* Since toolkit scroll bars are smaller than the space reserved
}
+#ifndef USE_TOOLKIT_SCROLL_BARS
/* Handle an Expose or GraphicsExpose event on a scroll bar. This
is a no-op when using toolkit scroll bars.
struct scroll_bar *bar;
XEvent *event;
{
-#ifndef USE_TOOLKIT_SCROLL_BARS
-
Window w = SCROLL_BAR_X_WINDOW (bar);
FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
GC gc = f->output_data.x->normal_gc;
UNBLOCK_INPUT;
-#endif /* not USE_TOOLKIT_SCROLL_BARS */
}
+#endif /* not USE_TOOLKIT_SCROLL_BARS */
/* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
is set to something other than NO_EVENT, it is enqueued.
This may be called from a signal handler, so we have to ignore GC
mark bits. */
-#ifndef USE_TOOLKIT_SCROLL_BARS
static void
x_scroll_bar_handle_click (bar, event, emacs_event)
XSETINT (bar->dragging, y - XINT (bar->start));
#endif
+#ifndef USE_TOOLKIT_SCROLL_BARS
/* If the user has released the handle, set it to its final position. */
if (event->type == ButtonRelease
&& ! NILP (bar->dragging))
x_scroll_bar_set_handle (bar, new_start, new_end, 0);
bar->dragging = Qnil;
}
+#endif
/* Same deal here as the other #if 0. */
#if 0
}
}
+#ifndef USE_TOOLKIT_SCROLL_BARS
+
/* Handle some mouse motion while someone is dragging the scroll bar.
This may be called from a signal handler, so we have to ignore GC
X_EVENT_DROP
};
+/* Filter events for the current X input method.
+ DPYINFO is the display this event is for.
+ EVENT is the X event to filter.
+
+ Returns non-zero if the event was filtered, caller shall not process
+ this event further.
+ Returns zero if event is wasn't filtered. */
+
+#ifdef HAVE_X_I18N
+static int
+x_filter_event (dpyinfo, event)
+ struct x_display_info *dpyinfo;
+ XEvent *event;
+{
+ /* XFilterEvent returns non-zero if the input method has
+ consumed the event. We pass the frame's X window to
+ XFilterEvent because that's the one for which the IC
+ was created. */
+
+ struct frame *f1 = x_any_window_to_frame (dpyinfo,
+ event->xclient.window);
+
+ return XFilterEvent (event, f1 ? FRAME_X_WINDOW (f1) : None);
+}
+#endif
+
#ifdef USE_GTK
static struct x_display_info *current_dpyinfo;
static struct input_event **current_bufp;
XEvent *xev = (XEvent*)gxev;
if (current_numcharsp)
- current_count += handle_one_xevent (current_dpyinfo,
- xev,
- current_bufp,
- current_numcharsp,
- ¤t_finish);
+ {
+#ifdef HAVE_X_I18N
+ /* Filter events for the current X input method.
+ GTK calls XFilterEvent but not for key press and release,
+ so we do it here. */
+ if (xev->type == KeyPress || xev->type == KeyRelease)
+ if (x_filter_event (current_dpyinfo, xev))
+ return GDK_FILTER_REMOVE;
+#endif
+ current_count += handle_one_xevent (current_dpyinfo,
+ xev,
+ current_bufp,
+ current_numcharsp,
+ ¤t_finish);
+ }
else
- x_dispatch_event (xev, GDK_DISPLAY ());
+ current_finish = x_dispatch_event (xev, GDK_DISPLAY ());
if (current_finish == X_EVENT_GOTO_OUT || current_finish == X_EVENT_DROP)
return GDK_FILTER_REMOVE;
/* Handles the XEvent EVENT on display DPYINFO.
-
+
*FINISH is X_EVENT_GOTO_OUT if caller should stop reading events.
*FINISH is zero if caller should continue reading events.
*FINISH is X_EVENT_DROP if event should not be passed to the toolkit.
Events representing keys are stored in buffer *BUFP_R,
which can hold up to *NUMCHARSP characters.
We return the number of characters stored into the buffer. */
-
+
static int
handle_one_xevent (dpyinfo, eventp, bufp_r, numcharsp, finish)
struct x_display_info *dpyinfo;
XEvent event = *eventp;
*finish = X_EVENT_NORMAL;
-
+
switch (event.type)
{
case ClientMessage:
x_real_positions (f, &x, &y);
f->output_data.x->left_pos = x;
f->output_data.x->top_pos = y;
- goto OTHER;
}
+ goto OTHER;
break;
case Expose:
int n;
XSETFRAME (frame, f);
- help_echo = Qnil;
+ help_echo_string = Qnil;
n = gen_help_event (bufp, numchars,
Qnil, frame, Qnil, Qnil, 0);
bufp += n, count += n, numchars -= n;
case MotionNotify:
{
- previous_help_echo = help_echo;
- help_echo = help_echo_object = help_echo_window = Qnil;
+ previous_help_echo_string = help_echo_string;
+ help_echo_string = help_echo_object = help_echo_window = Qnil;
help_echo_pos = -1;
if (dpyinfo->grabbed && last_mouse_frame
if (mouse_autoselect_window)
{
Lisp_Object window;
- int area;
window = window_from_coordinates (f,
event.xmotion.x, event.xmotion.y,
- &area, 0);
+ 0, 0);
/* Window will be selected only when it is not selected now and
last mouse movement event was not in it. Minibuffer window
clear_mouse_face (dpyinfo);
}
- /* If the contents of the global variable help_echo
+ /* If the contents of the global variable help_echo_string
has changed, generate a HELP_EVENT. */
- if (!NILP (help_echo)
- || !NILP (previous_help_echo))
+ if (!NILP (help_echo_string)
+ || !NILP (previous_help_echo_string))
{
Lisp_Object frame;
int n;
frame = Qnil;
any_help_event_p = 1;
- n = gen_help_event (bufp, numchars, help_echo, frame,
+ n = gen_help_event (bufp, numchars, help_echo_string, frame,
help_echo_window, help_echo_object,
help_echo_pos);
bufp += n, count += n, numchars -= n;
&& XFASTINT (XWINDOW (f->tool_bar_window)->height))
{
Lisp_Object window;
- int p, x, y;
+ int x = event.xbutton.x;
+ int y = event.xbutton.y;
- x = event.xbutton.x;
- y = event.xbutton.y;
-
- /* Set x and y. */
- window = window_from_coordinates (f, x, y, &p, 1);
+ window = window_from_coordinates (f, x, y, 0, 1);
if (EQ (window, f->tool_bar_window))
{
- x_handle_tool_bar_click (f, &event.xbutton);
- tool_bar_p = 1;
+ if (event.xbutton.type == ButtonPress)
+ handle_tool_bar_click (f, x, y, 1, 0);
+ else
+ handle_tool_bar_click (f, x, y, 0,
+ x_x_to_emacs_modifiers (dpyinfo,
+ event.xbutton.state));
+ tool_bar_p = 1;
}
}
}
else
{
-#ifndef USE_TOOLKIT_SCROLL_BARS
struct scroll_bar *bar
= x_window_to_scroll_bar (event.xbutton.window);
+#ifdef USE_TOOLKIT_SCROLL_BARS
+ /* Make the "Ctrl-Mouse-2 splits window" work for toolkit
+ scroll bars. */
+ if (bar && event.xbutton.state & ControlMask)
+ {
+ x_scroll_bar_handle_click (bar, &event, &emacs_event);
+ *finish = X_EVENT_DROP;
+ }
+#else /* not USE_TOOLKIT_SCROLL_BARS */
if (bar)
x_scroll_bar_handle_click (bar, &event, &emacs_event);
#endif /* not USE_TOOLKIT_SCROLL_BARS */
OTHER:
#ifdef USE_X_TOOLKIT
BLOCK_INPUT;
- XtDispatchEvent (&event);
+ if (*finish != X_EVENT_DROP)
+ XtDispatchEvent (&event);
UNBLOCK_INPUT;
#endif /* USE_X_TOOLKIT */
break;
}
goto ret;
-
+
out:
*finish = X_EVENT_GOTO_OUT;
*bufp_r = bufp;
*numcharsp = numchars;
*eventp = event;
-
+
return count;
}
/* Handles the XEvent EVENT on display DISPLAY.
This is used for event loops outside the normal event handling,
- i.e. looping while a popup menu or a dialog is posted. */
-void
+ i.e. looping while a popup menu or a dialog is posted.
+
+ Returns the value handle_one_xevent sets in the finish argument. */
+int
x_dispatch_event (event, display)
XEvent *event;
Display *display;
struct input_event bufp[10];
struct input_event *bufpp = bufp;
int numchars = 10;
- int finish;
-
+ int finish = X_EVENT_NORMAL;
+
for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
if (dpyinfo->display == display)
break;
-
+
if (dpyinfo)
{
int i, events;
for (i = 0; i < events; ++i)
kbd_buffer_store_event (&bufp[i]);
}
+
+ return finish;
}
int expected;
{
int count = 0;
- int nbytes = 0;
XEvent event;
int event_found = 0;
struct x_display_info *dpyinfo;
We use a bunch of globals to communicate with our filter function,
that is kind of ugly, but it works. */
current_dpyinfo = dpyinfo;
-
+
while (gtk_events_pending ())
{
static int nr = 0;
while (XPending (dpyinfo->display))
{
int finish;
-
+
XNextEvent (dpyinfo->display, &event);
#ifdef HAVE_X_I18N
- {
- /* Filter events for the current X input method.
- XFilterEvent returns non-zero if the input method has
- consumed the event. We pass the frame's X window to
- XFilterEvent because that's the one for which the IC
- was created. */
- struct frame *f1 = x_any_window_to_frame (dpyinfo,
- event.xclient.window);
- if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None))
- break;
- }
+ /* Filter events for the current X input method. */
+ if (x_filter_event (dpyinfo, &event))
+ break;
#endif
event_found = 1;
Text Cursor
***********************************************************************/
-/* Notice when the text cursor of window W has been completely
- overwritten by a drawing operation that outputs glyphs in AREA
- starting at X0 and ending at X1 in the line starting at Y0 and
- ending at Y1. X coordinates are area-relative. X1 < 0 means all
- the rest of the line after X0 has been written. Y coordinates
- are window-relative. */
-
-static void
-notice_overwritten_cursor (w, area, x0, x1, y0, y1)
- struct window *w;
- enum glyph_row_area area;
- int x0, y0, x1, y1;
-{
- if (area == TEXT_AREA && w->phys_cursor_on_p)
- {
- int cx0 = w->phys_cursor.x;
- int cx1 = cx0 + w->phys_cursor_width;
- int cy0 = w->phys_cursor.y;
- int cy1 = cy0 + w->phys_cursor_height;
-
- if (x0 <= cx0 && (x1 < 0 || x1 >= cx1))
- {
- /* The cursor image will be completely removed from the
- screen if the output area intersects the cursor area in
- y-direction. When we draw in [y0 y1[, and some part of
- the cursor is at y < y0, that part must have been drawn
- before. When scrolling, the cursor is erased before
- actually scrolling, so we don't come here. When not
- scrolling, the rows above the old cursor row must have
- changed, and in this case these rows must have written
- over the cursor image.
-
- Likewise if part of the cursor is below y1, with the
- exception of the cursor being in the first blank row at
- the buffer and window end because update_text_area
- doesn't draw that row. (Except when it does, but
- that's handled in update_text_area.) */
-
- if (((y0 >= cy0 && y0 < cy1) || (y1 > cy0 && y1 < cy1))
- && w->current_matrix->rows[w->phys_cursor.vpos].displays_text_p)
- w->phys_cursor_on_p = 0;
- }
- }
-}
-
-
/* Set clipping for output in glyph row ROW. W is the window in which
we operate. GC is the graphics context to set clipping in.
WHOLE_LINE_P non-zero means include the areas used for truncation
{
struct glyph_row *row;
row = MATRIX_ROW (w->current_matrix, w->phys_cursor.vpos);
- x_draw_phys_cursor_glyph (w, row, DRAW_CURSOR);
+ draw_phys_cursor_glyph (w, row, DRAW_CURSOR);
}
else
{
}
-/* Clear the cursor of window W to background color, and mark the
- cursor as not shown. This is used when the text where the cursor
- is is about to be rewritten. */
+/* RIF: Define cursor CURSOR on frame F. */
static void
-x_clear_cursor (w)
- struct window *w;
+x_define_frame_cursor (f, cursor)
+ struct frame *f;
+ Cursor cursor;
{
- if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p)
- x_update_window_cursor (w, 0);
+ XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
}
-/* Draw the cursor glyph of window W in glyph row ROW. See the
- comment of x_draw_glyphs for the meaning of HL. */
+/* RIF: Clear area on frame F. */
static void
-x_draw_phys_cursor_glyph (w, row, hl)
- struct window *w;
- struct glyph_row *row;
- enum draw_glyphs_face hl;
+x_clear_frame_area (f, x, y, width, height)
+ struct frame *f;
+ int x, y, width, height;
{
- /* If cursor hpos is out of bounds, don't draw garbage. This can
- happen in mini-buffer windows when switching between echo area
- glyphs and mini-buffer. */
- if (w->phys_cursor.hpos < row->used[TEXT_AREA])
- {
- int on_p = w->phys_cursor_on_p;
- int x1;
-
- x1 = x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA,
- w->phys_cursor.hpos, w->phys_cursor.hpos + 1,
- hl, 0);
- w->phys_cursor_on_p = on_p;
-
- if (hl == DRAW_CURSOR)
- w->phys_cursor_width = x1 - w->phys_cursor.x;
-
- /* When we erase the cursor, and ROW is overlapped by other
- rows, make sure that these overlapping parts of other rows
- are redrawn. */
- else if (hl == DRAW_NORMAL_TEXT && row->overlapped_p)
- {
- if (row > w->current_matrix->rows
- && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1))
- x_fix_overlapping_area (w, row - 1, TEXT_AREA);
-
- if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w)
- && MATRIX_ROW_OVERLAPS_PRED_P (row + 1))
- x_fix_overlapping_area (w, row + 1, TEXT_AREA);
- }
- }
+ x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ x, y, width, height, False);
}
-/* Erase the image of a cursor of window W from the screen. */
+/* RIF: Draw cursor on window W. */
static void
-x_erase_phys_cursor (w)
- struct window *w;
-{
- struct frame *f = XFRAME (w->frame);
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- int hpos = w->phys_cursor.hpos;
- int vpos = w->phys_cursor.vpos;
- int mouse_face_here_p = 0;
- struct glyph_matrix *active_glyphs = w->current_matrix;
- struct glyph_row *cursor_row;
- struct glyph *cursor_glyph;
- enum draw_glyphs_face hl;
-
- /* No cursor displayed or row invalidated => nothing to do on the
- screen. */
- if (w->phys_cursor_type == NO_CURSOR)
- goto mark_cursor_off;
-
- /* VPOS >= active_glyphs->nrows means that window has been resized.
- Don't bother to erase the cursor. */
- if (vpos >= active_glyphs->nrows)
- goto mark_cursor_off;
-
- /* If row containing cursor is marked invalid, there is nothing we
- can do. */
- cursor_row = MATRIX_ROW (active_glyphs, vpos);
- if (!cursor_row->enabled_p)
- goto mark_cursor_off;
-
- /* If row is completely invisible, don't attempt to delete a cursor which
- isn't there. This can happen if cursor is at top of a window, and
- we switch to a buffer with a header line in that window. */
- if (cursor_row->visible_height <= 0)
- goto mark_cursor_off;
-
- /* This can happen when the new row is shorter than the old one.
- In this case, either x_draw_glyphs or clear_end_of_line
- should have cleared the cursor. Note that we wouldn't be
- able to erase the cursor in this case because we don't have a
- cursor glyph at hand. */
- if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA])
- goto mark_cursor_off;
-
- /* If the cursor is in the mouse face area, redisplay that when
- we clear the cursor. */
- if (! NILP (dpyinfo->mouse_face_window)
- && w == XWINDOW (dpyinfo->mouse_face_window)
- && (vpos > dpyinfo->mouse_face_beg_row
- || (vpos == dpyinfo->mouse_face_beg_row
- && hpos >= dpyinfo->mouse_face_beg_col))
- && (vpos < dpyinfo->mouse_face_end_row
- || (vpos == dpyinfo->mouse_face_end_row
- && hpos < dpyinfo->mouse_face_end_col))
- /* Don't redraw the cursor's spot in mouse face if it is at the
- end of a line (on a newline). The cursor appears there, but
- mouse highlighting does not. */
- && cursor_row->used[TEXT_AREA] > hpos)
- mouse_face_here_p = 1;
-
- /* Maybe clear the display under the cursor. */
- if (w->phys_cursor_type == HOLLOW_BOX_CURSOR)
- {
- int x;
- int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w);
-
- cursor_glyph = get_phys_cursor_glyph (w);
- if (cursor_glyph == NULL)
- goto mark_cursor_off;
-
- x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x);
-
- x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- x,
- WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height,
- cursor_row->y)),
- cursor_glyph->pixel_width,
- cursor_row->visible_height,
- False);
- }
-
- /* Erase the cursor by redrawing the character underneath it. */
- if (mouse_face_here_p)
- hl = DRAW_MOUSE_FACE;
- else
- hl = DRAW_NORMAL_TEXT;
- x_draw_phys_cursor_glyph (w, cursor_row, hl);
-
- mark_cursor_off:
- w->phys_cursor_on_p = 0;
- w->phys_cursor_type = NO_CURSOR;
-}
-
-
-/* Non-zero if physical cursor of window W is within mouse face. */
-
-static int
-cursor_in_mouse_face_p (w)
- struct window *w;
-{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame));
- int in_mouse_face = 0;
-
- if (WINDOWP (dpyinfo->mouse_face_window)
- && XWINDOW (dpyinfo->mouse_face_window) == w)
- {
- int hpos = w->phys_cursor.hpos;
- int vpos = w->phys_cursor.vpos;
-
- if (vpos >= dpyinfo->mouse_face_beg_row
- && vpos <= dpyinfo->mouse_face_end_row
- && (vpos > dpyinfo->mouse_face_beg_row
- || hpos >= dpyinfo->mouse_face_beg_col)
- && (vpos < dpyinfo->mouse_face_end_row
- || hpos < dpyinfo->mouse_face_end_col
- || dpyinfo->mouse_face_past_end))
- in_mouse_face = 1;
- }
-
- return in_mouse_face;
-}
-
-
-/* Display or clear cursor of window W. If ON is zero, clear the
- cursor. If it is non-zero, display the cursor. If ON is nonzero,
- where to put the cursor is specified by HPOS, VPOS, X and Y. */
-
-void
-x_display_and_set_cursor (w, on, hpos, vpos, x, y)
+x_draw_window_cursor (w, glyph_row, x, y, cursor_type, cursor_width, on_p, active_p)
struct window *w;
- int on, hpos, vpos, x, y;
+ struct glyph_row *glyph_row;
+ int x, y;
+ int cursor_type, cursor_width;
+ int on_p, active_p;
{
- struct frame *f = XFRAME (w->frame);
- int new_cursor_type;
- int new_cursor_width;
- int active_cursor;
- struct glyph_matrix *current_glyphs;
- struct glyph_row *glyph_row;
- struct glyph *glyph;
-
- /* This is pointless on invisible frames, and dangerous on garbaged
- windows and frames; in the latter case, the frame or window may
- be in the midst of changing its size, and x and y may be off the
- window. */
- if (! FRAME_VISIBLE_P (f)
- || FRAME_GARBAGED_P (f)
- || vpos >= w->current_matrix->nrows
- || hpos >= w->current_matrix->matrix_w)
- return;
-
- /* If cursor is off and we want it off, return quickly. */
- if (!on && !w->phys_cursor_on_p)
- return;
-
- current_glyphs = w->current_matrix;
- glyph_row = MATRIX_ROW (current_glyphs, vpos);
- glyph = glyph_row->glyphs[TEXT_AREA] + hpos;
+ struct frame *f = XFRAME (WINDOW_FRAME (w));
- /* If cursor row is not enabled, we don't really know where to
- display the cursor. */
- if (!glyph_row->enabled_p)
+ if (on_p)
{
- w->phys_cursor_on_p = 0;
- return;
- }
-
- xassert (interrupt_input_blocked);
-
- /* Set new_cursor_type to the cursor we want to be displayed. */
- new_cursor_type = get_window_cursor_type (w, &new_cursor_width, &active_cursor);
-
- /* If cursor is currently being shown and we don't want it to be or
- it is in the wrong place, or the cursor type is not what we want,
- erase it. */
- if (w->phys_cursor_on_p
- && (!on
- || w->phys_cursor.x != x
- || w->phys_cursor.y != y
- || new_cursor_type != w->phys_cursor_type
- || ((new_cursor_type == BAR_CURSOR || new_cursor_type == HBAR_CURSOR)
- && new_cursor_width != w->phys_cursor_width)))
- x_erase_phys_cursor (w);
-
- /* Don't check phys_cursor_on_p here because that flag is only set
- to zero in some cases where we know that the cursor has been
- completely erased, to avoid the extra work of erasing the cursor
- twice. In other words, phys_cursor_on_p can be 1 and the cursor
- still not be visible, or it has only been partly erased. */
- if (on)
- {
- w->phys_cursor_ascent = glyph_row->ascent;
- w->phys_cursor_height = glyph_row->height;
-
- /* Set phys_cursor_.* before x_draw_.* is called because some
- of them may need the information. */
- w->phys_cursor.x = x;
- w->phys_cursor.y = glyph_row->y;
- w->phys_cursor.hpos = hpos;
- w->phys_cursor.vpos = vpos;
- w->phys_cursor_type = new_cursor_type;
+ w->phys_cursor_type = cursor_type;
w->phys_cursor_on_p = 1;
- switch (new_cursor_type)
+ switch (cursor_type)
{
case HOLLOW_BOX_CURSOR:
x_draw_hollow_cursor (w, glyph_row);
break;
case FILLED_BOX_CURSOR:
- x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
+ draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
break;
case BAR_CURSOR:
- x_draw_bar_cursor (w, glyph_row, new_cursor_width, BAR_CURSOR);
+ x_draw_bar_cursor (w, glyph_row, cursor_width, BAR_CURSOR);
break;
case HBAR_CURSOR:
- x_draw_bar_cursor (w, glyph_row, new_cursor_width, HBAR_CURSOR);
+ x_draw_bar_cursor (w, glyph_row, cursor_width, HBAR_CURSOR);
break;
case NO_CURSOR:
#endif
}
-
-/* Display the cursor on window W, or clear it. X and Y are window
- relative pixel coordinates. HPOS and VPOS are glyph matrix
- positions. If W is not the selected window, display a hollow
- cursor. ON non-zero means display the cursor at X, Y which
- correspond to HPOS, VPOS, otherwise it is cleared. */
-
-void
-x_display_cursor (w, on, hpos, vpos, x, y)
- struct window *w;
- int on, hpos, vpos, x, y;
-{
- BLOCK_INPUT;
- x_display_and_set_cursor (w, on, hpos, vpos, x, y);
- UNBLOCK_INPUT;
-}
-
-
-/* Display the cursor on window W, or clear it, according to ON_P.
- Don't change the cursor's position. */
-
-void
-x_update_cursor (f, on_p)
- struct frame *f;
- int on_p;
-{
- x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p);
-}
-
-
-/* Call x_update_window_cursor with parameter ON_P on all leaf windows
- in the window tree rooted at W. */
-
-static void
-x_update_cursor_in_window_tree (w, on_p)
- struct window *w;
- int on_p;
-{
- while (w)
- {
- if (!NILP (w->hchild))
- x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p);
- else if (!NILP (w->vchild))
- x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p);
- else
- x_update_window_cursor (w, on_p);
-
- w = NILP (w->next) ? 0 : XWINDOW (w->next);
- }
-}
-
-
-/* Switch the display of W's cursor on or off, according to the value
- of ON. */
-
-static void
-x_update_window_cursor (w, on)
- struct window *w;
- int on;
-{
- /* Don't update cursor in windows whose frame is in the process
- of being deleted. */
- if (w->current_matrix)
- {
- BLOCK_INPUT;
- x_display_and_set_cursor (w, on, w->phys_cursor.hpos, w->phys_cursor.vpos,
- w->phys_cursor.x, w->phys_cursor.y);
- UNBLOCK_INPUT;
- }
-}
-
-
-
\f
/* Icons. */
text.encoding = XA_STRING;
text.format = 8;
text.nitems = strlen (icon_name);
-#ifdef USE_X_TOOLKIT
- XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget),
- &text);
-#else /* not USE_X_TOOLKIT */
- XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text);
-#endif /* not USE_X_TOOLKIT */
+ XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text);
}
#else /* not HAVE_X11R4 */
- XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name);
+ XSetIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), icon_name);
#endif /* not HAVE_X11R4 */
if (f->output_data.x->icon_bitmap > 0)
f->output_data.x->baseline_offset = fontp->baseline_offset;
f->output_data.x->fontset = -1;
- x_compute_fringe_widths (f, 1);
+ compute_fringe_widths (f, 1);
/* Compute the scroll bar width in character columns. */
if (f->scroll_bar_pixel_width > 0)
return build_string (fontsetname);
}
-/* Compute actual fringe widths */
-
-void
-x_compute_fringe_widths (f, redraw)
- struct frame *f;
- int redraw;
-{
- int o_left = f->output_data.x->left_fringe_width;
- int o_right = f->output_data.x->right_fringe_width;
- int o_cols = f->output_data.x->fringe_cols;
-
- Lisp_Object left_fringe = Fassq (Qleft_fringe, f->param_alist);
- Lisp_Object right_fringe = Fassq (Qright_fringe, f->param_alist);
- int left_fringe_width, right_fringe_width;
-
- if (!NILP (left_fringe))
- left_fringe = Fcdr (left_fringe);
- if (!NILP (right_fringe))
- right_fringe = Fcdr (right_fringe);
-
- left_fringe_width = ((NILP (left_fringe) || !INTEGERP (left_fringe)) ? 8 :
- XINT (left_fringe));
- right_fringe_width = ((NILP (right_fringe) || !INTEGERP (right_fringe)) ? 8 :
- XINT (right_fringe));
-
- if (left_fringe_width || right_fringe_width)
- {
- int left_wid = left_fringe_width >= 0 ? left_fringe_width : -left_fringe_width;
- int right_wid = right_fringe_width >= 0 ? right_fringe_width : -right_fringe_width;
- int conf_wid = left_wid + right_wid;
- int font_wid = FONT_WIDTH (f->output_data.x->font);
- int cols = (left_wid + right_wid + font_wid-1) / font_wid;
- int real_wid = cols * font_wid;
- if (left_wid && right_wid)
- {
- if (left_fringe_width < 0)
- {
- /* Left fringe width is fixed, adjust right fringe if necessary */
- f->output_data.x->left_fringe_width = left_wid;
- f->output_data.x->right_fringe_width = real_wid - left_wid;
- }
- else if (right_fringe_width < 0)
- {
- /* Right fringe width is fixed, adjust left fringe if necessary */
- f->output_data.x->left_fringe_width = real_wid - right_wid;
- f->output_data.x->right_fringe_width = right_wid;
- }
- else
- {
- /* Adjust both fringes with an equal amount.
- Note that we are doing integer arithmetic here, so don't
- lose a pixel if the total width is an odd number. */
- int fill = real_wid - conf_wid;
- f->output_data.x->left_fringe_width = left_wid + fill/2;
- f->output_data.x->right_fringe_width = right_wid + fill - fill/2;
- }
- }
- else if (left_fringe_width)
- {
- f->output_data.x->left_fringe_width = real_wid;
- f->output_data.x->right_fringe_width = 0;
- }
- else
- {
- f->output_data.x->left_fringe_width = 0;
- f->output_data.x->right_fringe_width = real_wid;
- }
- f->output_data.x->fringe_cols = cols;
- f->output_data.x->fringes_extra = real_wid;
- }
- else
- {
- f->output_data.x->left_fringe_width = 0;
- f->output_data.x->right_fringe_width = 0;
- f->output_data.x->fringe_cols = 0;
- f->output_data.x->fringes_extra = 0;
- }
-
- if (redraw && FRAME_VISIBLE_P (f))
- if (o_left != f->output_data.x->left_fringe_width ||
- o_right != f->output_data.x->right_fringe_width ||
- o_cols != f->output_data.x->fringe_cols)
- redraw_frame (f);
-}
\f
/***********************************************************************
X Input Methods
};
/* XIM instantiate callback function, which is called whenever an XIM
- server is available. DISPLAY is teh display of the XIM.
+ server is available. DISPLAY is the display of the XIM.
CLIENT_DATA contains a pointer to an xim_inst_t structure created
when the callback was registered. */
/* Wait for the change of frame size to occur */
f->output_data.x->want_fullscreen |= FULLSCREEN_WAIT;
-
}
}
}
}
-/* Calculate fullscreen size. Return in *TOP_POS and *LEFT_POS the
- wanted positions of the WM window (not emacs window).
- Return in *WIDTH and *HEIGHT the wanted width and height of Emacs
- window (FRAME_X_WINDOW).
- */
-void
-x_fullscreen_adjust (f, width, height, top_pos, left_pos)
- struct frame *f;
- int *width;
- int *height;
- int *top_pos;
- int *left_pos;
-{
- int newwidth = f->width, newheight = f->height;
-
- *top_pos = f->output_data.x->top_pos;
- *left_pos = f->output_data.x->left_pos;
-
- if (f->output_data.x->want_fullscreen & FULLSCREEN_HEIGHT)
- {
- int ph;
-
- ph = FRAME_X_DISPLAY_INFO (f)->height;
- newheight = PIXEL_TO_CHAR_HEIGHT (f, ph);
- ph = CHAR_TO_PIXEL_HEIGHT (f, newheight)
- - f->output_data.x->y_pixels_diff;
- newheight = PIXEL_TO_CHAR_HEIGHT (f, ph);
- *top_pos = 0;
- }
-
- if (f->output_data.x->want_fullscreen & FULLSCREEN_WIDTH)
- {
- int pw;
-
- pw = FRAME_X_DISPLAY_INFO (f)->width;
- newwidth = PIXEL_TO_CHAR_WIDTH (f, pw);
- pw = CHAR_TO_PIXEL_WIDTH (f, newwidth)
- - f->output_data.x->x_pixels_diff;
- newwidth = PIXEL_TO_CHAR_WIDTH (f, pw);
- *left_pos = 0;
- }
-
- *width = newwidth;
- *height = newheight;
-}
-
-
/* Change the size of frame F's X window to COLS/ROWS in the case F
doesn't have a widget. If CHANGE_GRAVITY is 1, we change to
top-left-corner window gravity for this size change and subsequent
? FRAME_SCROLL_BAR_PIXEL_WIDTH (f)
: (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font)));
- x_compute_fringe_widths (f, 0);
+ compute_fringe_widths (f, 0);
pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols);
pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows);
if (f->async_visible)
{
BLOCK_INPUT;
-#ifdef USE_X_TOOLKIT
- XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget));
-#else /* not USE_X_TOOLKIT */
- XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
-#endif /* not USE_X_TOOLKIT */
+ XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f));
XFlush (FRAME_X_DISPLAY (f));
UNBLOCK_INPUT;
}
if (f->async_visible)
{
BLOCK_INPUT;
-#ifdef USE_X_TOOLKIT
- XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget));
-#else /* not USE_X_TOOLKIT */
- XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
-#endif /* not USE_X_TOOLKIT */
+ XLowerWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f));
XFlush (FRAME_X_DISPLAY (f));
UNBLOCK_INPUT;
}
#else /* not USE_X_TOOLKIT */
#ifdef USE_GTK
gtk_widget_show_all (FRAME_GTK_OUTER_WIDGET (f));
+ gtk_window_deiconify (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
#else
XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
#endif /* not USE_GTK */
{
Window window;
-#ifdef USE_X_TOOLKIT
/* Use the frame's outermost window, not the one we normally draw on. */
- window = XtWindow (f->output_data.x->widget);
-#else /* not USE_X_TOOLKIT */
- window = FRAME_X_WINDOW (f);
-#endif /* not USE_X_TOOLKIT */
+ window = FRAME_OUTER_WINDOW (f);
/* Don't keep the highlight on an invisible frame. */
if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f)
#ifdef USE_GTK
if (FRAME_GTK_OUTER_WIDGET (f))
- {
- gtk_widget_hide (FRAME_GTK_OUTER_WIDGET (f));
- goto out;
- }
+ gtk_widget_hide (FRAME_GTK_OUTER_WIDGET (f));
+ else
#endif
-
+ {
#ifdef HAVE_X11R4
if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window,
/* Unmap the window ourselves. Cheeky! */
XUnmapWindow (FRAME_X_DISPLAY (f), window);
#endif /* ! defined (HAVE_X11R4) */
+ }
- out:
/* We can't distinguish this from iconification
just by the event that we get from the server.
So we can't win using the usual strategy of letting
FRAME_GTK_OUTER_WIDGET (f) = 0;
}
#endif /* USE_GTK */
-
+
if (FRAME_X_WINDOW (f))
XDestroyWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
#endif /* !USE_X_TOOLKIT */
int ac = 0;
Dimension widget_width, widget_height;
#endif
-
+
Window window = FRAME_OUTER_WINDOW (f);
/* Setting PMaxSize caused various problems. */
struct frame *f;
int icon_x, icon_y;
{
-#ifdef USE_X_TOOLKIT
- Window window = XtWindow (f->output_data.x->widget);
-#else
- Window window = FRAME_X_WINDOW (f);
-#endif
+ Window window = FRAME_OUTER_WINDOW (f);
f->output_data.x->wm_hints.flags |= IconPositionHint;
f->output_data.x->wm_hints.icon_x = icon_x;
{
/* We try at least 10 fonts because XListFonts will return
auto-scaled fonts at the head. */
- names = XListFonts (dpy, SDATA (pattern), max (maxnames, 10),
- &num_fonts);
+ if (maxnames < 0)
+ {
+ int limit;
+
+ for (limit = 500;;)
+ {
+ names = XListFonts (dpy, SDATA (pattern), limit, &num_fonts);
+ if (num_fonts == limit)
+ {
+ BLOCK_INPUT;
+ XFreeFontNames (names);
+ UNBLOCK_INPUT;
+ limit *= 2;
+ }
+ else
+ break;
+ }
+ }
+ else
+ names = XListFonts (dpy, SDATA (pattern), max (maxnames, 10),
+ &num_fonts);
+
if (x_had_errors_p (dpy))
{
/* This error is perhaps due to insufficient memory on X
argv[argc++] = "--name";
argv[argc++] = resource_name;
-
+
+#ifdef HAVE_X11R5
+ XSetLocaleModifiers ("");
+#endif
+
gtk_init (&argc, &argv2);
/* gtk_init does set_locale. We must fix locale after calling it. */
xg_initialize ();
dpy = GDK_DISPLAY ();
-
+
/* NULL window -> events for all windows go to our function */
gdk_window_add_filter (NULL, event_handler_gdk, NULL);
char *file = "~/.emacs.d/gtkrc";
Lisp_Object s, abs_file;
- GCPRO2 (str, abs_file);
+ GCPRO2 (s, abs_file);
s = make_string (file, strlen (file));
abs_file = Fexpand_file_name(s, Qnil);
if (! NILP (abs_file) && Ffile_readable_p (abs_file))
gtk_rc_parse (SDATA (abs_file));
-
+
UNGCPRO;
}
-
+
XSetErrorHandler (x_error_handler);
XSetIOErrorHandler (x_io_error_quitter);
}
xfree (dpyinfo);
}
+#ifdef USE_X_TOOLKIT
+
+/* Atimer callback function for TIMER. Called every 0.1s to process
+ Xt timeouts, if needed. We must avoid calling XtAppPending as
+ much as possible because that function does an implicit XFlush
+ that slows us down. */
+
+static void
+x_process_timeouts (timer)
+ struct atimer *timer;
+{
+ if (toolkit_scroll_bar_interaction || popup_activated ())
+ {
+ BLOCK_INPUT;
+ while (XtAppPending (Xt_app_con) & XtIMTimer)
+ XtAppProcessEvent (Xt_app_con, XtIMTimer);
+ UNBLOCK_INPUT;
+ }
+}
+
+#endif /* USE_X_TOOLKIT */
+
\f
/* Set up use of X before we make the first connection. */
+extern frame_parm_handler x_frame_parm_handlers[];
+
static struct redisplay_interface x_redisplay_interface =
{
+ x_frame_parm_handlers,
x_produce_glyphs,
x_write_glyphs,
x_insert_glyphs,
x_after_update_window_line,
x_update_window_begin,
x_update_window_end,
- XTcursor_to,
+ x_cursor_to,
+ x_flush,
+#ifndef XFlush
x_flush,
- x_clear_mouse_face,
+#else
+ 0, /* flush_display_optional */
+#endif
+ x_clear_window_mouse_face,
x_get_glyph_overhangs,
- x_fix_overlapping_area
+ x_fix_overlapping_area,
+ x_draw_fringe_bitmap,
+ x_per_char_metric,
+ x_encode_char,
+ x_compute_glyph_string_overhangs,
+ x_draw_glyph_string,
+ x_define_frame_cursor,
+ x_clear_frame_area,
+ x_draw_window_cursor,
+ x_draw_vertical_window_border,
+ x_shift_glyphs_for_insert
};
void
condemn_scroll_bars_hook = XTcondemn_scroll_bars;
redeem_scroll_bar_hook = XTredeem_scroll_bar;
judge_scroll_bars_hook = XTjudge_scroll_bars;
- estimate_mode_line_height_hook = x_estimate_mode_line_height;
scroll_region_ok = 1; /* we'll scroll partial frames */
char_ins_del_ok = 1;
staticpro (&last_mouse_press_frame);
last_mouse_press_frame = Qnil;
- help_echo = Qnil;
- staticpro (&help_echo);
- help_echo_object = Qnil;
- staticpro (&help_echo_object);
- help_echo_window = Qnil;
- staticpro (&help_echo_window);
- previous_help_echo = Qnil;
- staticpro (&previous_help_echo);
- help_echo_pos = -1;
-
- DEFVAR_BOOL ("mouse-autoselect-window", &mouse_autoselect_window,
- doc: /* *Non-nil means autoselect window with mouse pointer. */);
- mouse_autoselect_window = 0;
-
- DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p,
- doc: /* *Non-nil means draw block cursor as wide as the glyph under it.
-For example, if a block cursor is over a tab, it will be drawn as
-wide as that tab on the display. */);
- x_stretch_cursor_p = 0;
-
DEFVAR_BOOL ("x-use-underline-position-properties",
&x_use_underline_position_properties,
doc: /* *Non-nil means make use of UNDERLINE_POSITION font properties.