#include <X/Xlib.h>
#endif /* HAVE_X11 */
+#ifdef USE_X_TOOLKIT
+#include <X11/StringDefs.h>
+#include <X11/IntrinsicP.h> /* CoreP.h needs this */
+#include <X11/CoreP.h> /* foul, but we need this to use our own
+ window inside a widget instead of one
+ that Xt creates... */
+#include <X11/StringDefs.h>
+#endif
+
/* Define a queue for X-events. One such queue is used for mouse clicks.
Another is used for expose events. */
with X11R3 or X11R4 by looking for the flag macros for R4 structure
members that R3 doesn't have. */
#ifdef PBaseSize
+/* AIX 3.1's X is somewhere between X11R3 and X11R4. It has
+ PBaseSize, but not XWithdrawWindow, XSetWMName, XSetWMNormalHints,
+ XSetWMIconName.
+ AIX 3.2 is at least X11R4. */
+#if (!defined AIX) || (defined AIX3_2)
#define HAVE_X11R4
#endif
+#endif
#ifdef XlibSpecificationRelease
#if XlibSpecificationRelease >= 5
#define HAVE_X11R5
+/* In case someone has X11R5 on AIX 3.1,
+ make sure HAVE_X11R4 is defined as well as HAVE_X11R5. */
+#define HAVE_X11R4
#endif
#endif
#define Color XColor
#define XExposeRegionEvent XExposeEvent
-#define Bitmap Pixmap /* In X11, Bitmaps are are kind of
- Pixmap. */
+#define Bitmap Pixmap /* In X11, Bitmaps are a kind of
+ Pixmap. */
#define WINDOWINFO_TYPE XWindowAttributes
#define XGetWindowInfo(w, i) XGetWindowAttributes (x_current_display, \
(w), (i))
/* Queue for mouse clicks. */
extern struct event_queue x_mouse_queue;
-/* Mechanism for interlocking between main program level
- and input interrupt level. */
-
-/* Nonzero during a critical section. At such a time, an input interrupt
- does nothing but set `x_pending_input'. */
-extern int x_input_blocked;
-
-/* Nonzero means an input interrupt has arrived
- during the current critical section. */
-extern int x_pending_input;
-
-/* Begin critical section. */
-#define BLOCK_INPUT (x_input_blocked++)
-
-/* End critical section. */
-#ifdef SIGIO
-/* If doing interrupt input, and an interrupt came in when input was blocked,
- reinvoke the interrupt handler now to deal with it. */
-#define UNBLOCK_INPUT \
- ((x_input_blocked--, (x_input_blocked < 0 ? (abort (), 0) : 0)), \
- (x_input_blocked == 0 && x_pending_input != 0 ? (kill (0, SIGIO), 0) : 0))
-#else
-#define UNBLOCK_INPUT \
- (x_input_blocked--, (x_input_blocked < 0 ? (abort (), 0) : 0))
-#endif
-
-#define TOTALLY_UNBLOCK_INPUT (x_input_blocked = 0)
-#define UNBLOCK_INPUT_RESIGNAL UNBLOCK_INPUT
-
/* This is the X connection that we are using. */
extern Display *x_current_display;
+/* This checks to make sure we have a display. */
+extern void check_x ();
+
extern struct frame *x_window_to_frame ();
+#ifdef USE_X_TOOLKIT
+extern struct frame *x_any_window_to_frame ();
+extern struct frame *x_top_window_to_frame ();
+#endif
+
/* The frame (if any) which has the X window that has keyboard focus.
Zero if none. This is examined by Ffocus_frame in xfns.c */
-struct frame *x_focus_frame;
+extern struct frame *x_focus_frame;
#ifdef HAVE_X11
/* Variables associated with the X display screen this emacs is using. */
/* Size of the X window in pixels. */
int pixel_height, pixel_width;
+ /* Height of a line, in pixels. */
+ int line_height;
+
#ifdef HAVE_X11
/* The tiled border used when the mouse is out of the frame. */
Pixmap border_tile;
Usually but not always RootWindow. */
Window parent_desc;
+#ifdef USE_X_TOOLKIT
+ /* The widget of this screen. This is the window of a "shell" widget. */
+ Widget widget;
+ /* The XmPanedWindows... */
+ Widget column_widget;
+ /* The widget of the edit portion of this screen; the window in
+ "window_desc" is inside of this. */
+ Widget edit_widget;
+
+ Widget menubar_widget;
+#endif
+
/* 1 for bitmap icon, 0 for text icon. */
int icon_bitmap_flag;
PIX_TYPE cursor_pixel;
PIX_TYPE border_pixel;
PIX_TYPE mouse_pixel;
+ PIX_TYPE cursor_foreground_pixel;
/* Descriptor for the cursor in use for this window. */
#ifdef HAVE_X11
Cursor text_cursor;
Cursor nontext_cursor;
Cursor modeline_cursor;
+ Cursor cross_cursor;
#else
Cursor cursor;
#endif
/* The size of the extra width currently allotted for vertical
scroll bars, in pixels. */
int vertical_scroll_bar_extra;
+
+ /* Table of parameter faces for this frame. Any X resources (pixel
+ values, fonts) referred to here have been allocated explicitly
+ for this face, and should be freed if we change the face. */
+ struct face **param_faces;
+ int n_param_faces;
+
+ /* Table of computed faces for this frame. These are the faces
+ whose indexes go into the upper bits of a glyph, computed by
+ combining the parameter faces specified by overlays, text
+ properties, and what have you. The X resources mentioned here
+ are all shared with parameter faces. */
+ struct face **computed_faces;
+ int n_computed_faces; /* How many are valid */
+ int size_computed_faces; /* How many are allocated */
+
+ /* This is the gravity value for the specified window position. */
+ int win_gravity;
};
+/* Get at the computed faces of an X window frame. */
+#define FRAME_PARAM_FACES(f) ((f)->display.x->param_faces)
+#define FRAME_N_PARAM_FACES(f) ((f)->display.x->n_param_faces)
+#define FRAME_DEFAULT_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[0])
+#define FRAME_MODE_LINE_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[1])
+
+#define FRAME_COMPUTED_FACES(f) ((f)->display.x->computed_faces)
+#define FRAME_N_COMPUTED_FACES(f) ((f)->display.x->n_computed_faces)
+#define FRAME_SIZE_COMPUTED_FACES(f) ((f)->display.x->size_computed_faces)
+#define FRAME_DEFAULT_FACE(f) ((f)->display.x->computed_faces[0])
+#define FRAME_MODE_LINE_FACE(f) ((f)->display.x->computed_faces[1])
+
/* Return the window associated with the frame F. */
#define FRAME_X_WINDOW(f) ((f)->display.x->window_desc)
#define FRAME_DESIRED_CURSOR(f) ((f)->display.x->desired_cursor)
\f
-/* When X windows are used, a glyf may be a 16 bit unsigned datum.
+/* When X windows are used, a glyph may be a 16 bit unsigned datum.
The high order byte is the face number and is used as an index
in the face table. A face is a font plus:
1) the unhighlighted foreground color,
2) the unhighlighted background color.
For highlighting, the two colors are exchanged.
- Face number 0 is unused. The low order byte of a glyf gives
+ Face number 0 is unused. The low order byte of a glyph gives
the character within the font. All fonts are assumed to be
fixed width, and to have the same height and width. */
/* Return the outside pixel height for a vertical scroll bar HEIGHT
rows high on frame F. */
#define VERTICAL_SCROLL_BAR_PIXEL_HEIGHT(f, height) \
- ((height) * FONT_HEIGHT ((f)->display.x->font))
+ ((height) * (f)->display.x->line_height)
/* Return the inside width of a vertical scroll bar, given the outside
width. */
(used when relating to the rest of the screen) and inside width
(used when sizing and drawing the scroll bar window itself).
- The handle moves up and down/back and forth in a rectange inset
+ The handle moves up and down/back and forth in a rectangle inset
from the edges of the scroll bar. These are widths by which we
inset the handle boundaries from the scroll bar edges. */
#define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
-#define VERTICAL_SCROLL_BAR_RIGHT_BORDER (3)
+#define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
#define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
#define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
at ROW/COL. */
#define CHAR_TO_PIXEL_ROW(f, row) \
((f)->display.x->internal_border_width \
- + (row) * FONT_HEIGHT ((f)->display.x->font))
+ + (row) * (f)->display.x->line_height)
#define CHAR_TO_PIXEL_COL(f, col) \
((f)->display.x->internal_border_width \
+ (col) * FONT_WIDTH ((f)->display.x->font))
/* Return the row/column (zero-based) of the character cell containing
the pixel on FRAME at ROW/COL. */
-#define PIXEL_TO_CHAR_ROW(frame, row) \
+#define PIXEL_TO_CHAR_ROW(f, row) \
(((row) - (f)->display.x->internal_border_width) \
- / FONT_HEIGHT ((f)->display.x->font))
-#define PIXEL_TO_CHAR_COL(frame, col) \
+ / (f)->display.x->line_height)
+#define PIXEL_TO_CHAR_COL(f, col) \
(((col) - (f)->display.x->internal_border_width) \
/ FONT_WIDTH ((f)->display.x->font))
(((struct selection_input_event *) (eventp))->property)
#define SELECTION_EVENT_TIME(eventp) \
(((struct selection_input_event *) (eventp))->time)
+
+\f
+/* Interface to the face code functions. */
+
+/* Create the first two computed faces for a frame -- the ones that
+ have GC's. */
+extern void init_frame_faces (/* FRAME_PTR */);
+
+/* Free the resources for the faces associated with a frame. */
+extern void free_frame_faces (/* FRAME_PTR */);
+
+/* Given a computed face, find or make an equivalent display face
+ in face_vector, and return a pointer to it. */
+extern struct face *intern_face (/* FRAME_PTR, struct face * */);
+
+/* Given a frame and a face name, return the face's ID number, or
+ zero if it isn't a recognized face name. */
+extern int face_name_id_number (/* FRAME_PTR, Lisp_Object */);
+
+/* Return non-zero if FONT1 and FONT2 have the same size bounding box.
+ We assume that they're both character-cell fonts. */
+extern int same_size_fonts (/* XFontStruct *, XFontStruct * */);
+
+/* Recompute the GC's for the default and modeline faces.
+ We call this after changing frame parameters on which those GC's
+ depend. */
+extern void recompute_basic_faces (/* FRAME_PTR */);
+
+/* Return the face ID associated with a buffer position POS. Store
+ into *ENDPTR the next position at which a different face is
+ needed. This does not take account of glyphs that specify their
+ own face codes. F is the frame in use for display, and W is a
+ window displaying the current buffer.
+
+ REGION_BEG, REGION_END delimit the region, so it can be highlighted. */
+extern int compute_char_face (/* FRAME_PTR frame,
+ struct window *w,
+ int pos,
+ int region_beg, int region_end,
+ int *endptr */);
+/* Return the face ID to use to display a special glyph which selects
+ FACE_CODE as the face ID, assuming that ordinarily the face would
+ be BASIC_FACE. F is the frame. */
+extern int compute_glyph_face (/* FRAME_PTR, int */);