1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
28 #include "blockinput.h"
47 #include "dispextern.h"
49 #include "termhooks.h"
56 #include "intervals.h"
57 #include "composite.h"
60 #define abs(x) ((x) < 0 ? -(x) : (x))
62 #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER))
67 enum fringe_bitmap_type
70 LEFT_TRUNCATION_BITMAP
,
71 RIGHT_TRUNCATION_BITMAP
,
73 CONTINUED_LINE_BITMAP
,
74 CONTINUATION_LINE_BITMAP
,
78 /* Bitmaps are all unsigned short, as Windows requires bitmap data to
79 be Word aligned. For some reason they are horizontally reflected
80 compared to how they appear on X, so changes in xterm.c should be
83 /* Bitmap drawn to indicate lines not displaying text if
84 `indicate-empty-lines' is non-nil. */
89 static unsigned char zv_bits
[] = {
90 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
91 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
92 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
93 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
94 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
95 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
96 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00,
97 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00};
98 static HBITMAP zv_bmp
;
100 /* An arrow like this: `<-'. */
103 #define left_height 8
104 static unsigned short left_bits
[] = {
105 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18};
106 static HBITMAP left_bmp
;
108 /* Right truncation arrow bitmap `->'. */
110 #define right_width 8
111 #define right_height 8
112 static unsigned short right_bits
[] = {
113 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18};
114 static HBITMAP right_bmp
;
116 /* Marker for continued lines. */
118 #define continued_width 8
119 #define continued_height 8
120 static unsigned short continued_bits
[] = {
121 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e};
122 static HBITMAP continued_bmp
;
124 /* Marker for continuation lines. */
126 #define continuation_width 8
127 #define continuation_height 8
128 static unsigned short continuation_bits
[] = {
129 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c};
130 static HBITMAP continuation_bmp
;
132 /* Overlay arrow bitmap. */
138 static unsigned short ov_bits
[] = {
139 0x0c, 0x10, 0x3c, 0x7e, 0x5e, 0x5e, 0x46, 0x3c};
141 /* A triangular arrow. */
144 static unsigned short ov_bits
[] = {
145 0xc0, 0xf0, 0xf8, 0xfc, 0xfc, 0xf8, 0xf0, 0xc0};
147 static HBITMAP ov_bmp
;
149 extern Lisp_Object Qhelp_echo
;
152 /* Non-nil means Emacs uses toolkit scroll bars. */
154 Lisp_Object Vx_toolkit_scroll_bars
;
156 /* If a string, w32_read_socket generates an event to display that string.
157 (The display is done in read_char.) */
159 static Lisp_Object help_echo
;
160 static Lisp_Object help_echo_window
;
161 static Lisp_Object help_echo_object
;
162 static int help_echo_pos
;
164 /* Temporary variable for w32_read_socket. */
166 static Lisp_Object previous_help_echo
;
168 /* Non-zero means that a HELP_EVENT has been generated since Emacs
171 static int any_help_event_p
;
173 /* Non-zero means autoselect window with the mouse cursor. */
175 int x_autoselect_window_p
;
177 /* Non-zero means draw block and hollow cursor as wide as the glyph
178 under it. For example, if a block cursor is over a tab, it will be
179 drawn as wide as that tab on the display. */
181 int x_stretch_cursor_p
;
183 /* Non-zero means make use of UNDERLINE_POSITION font properties. */
185 int x_use_underline_position_properties
;
187 extern unsigned int msh_mousewheel
;
189 extern void free_frame_menubar ();
191 extern int w32_codepage_for_font (char *fontname
);
193 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
194 unsigned char *text
, int dim
);
195 extern Lisp_Object Vwindow_system
;
197 #define x_any_window_to_frame x_window_to_frame
198 #define x_top_window_to_frame x_window_to_frame
201 /* This is display since w32 does not support multiple ones. */
202 struct w32_display_info one_w32_display_info
;
203 struct w32_display_info
*x_display_list
;
205 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
206 one for each element of w32_display_list and in the same order.
207 NAME is the name of the frame.
208 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
209 Lisp_Object w32_display_name_list
;
211 /* Frame being updated by update_frame. This is declared in term.c.
212 This is set by update_begin and looked at by all the
213 w32 functions. It is zero while not inside an update.
214 In that case, the w32 functions assume that `SELECTED_FRAME ()'
215 is the frame to apply to. */
216 extern struct frame
*updating_frame
;
218 /* This is a frame waiting to be autoraised, within w32_read_socket. */
219 struct frame
*pending_autoraise_frame
;
221 /* Nominal cursor position -- where to draw output.
222 HPOS and VPOS are window relative glyph matrix coordinates.
223 X and Y are window relative pixel coordinates. */
225 struct cursor_pos output_cursor
;
227 /* The handle of the frame that currently owns the system caret. */
228 HWND w32_system_caret_hwnd
;
229 int w32_system_caret_height
;
230 int w32_system_caret_x
;
231 int w32_system_caret_y
;
232 int w32_use_visible_system_caret
;
234 /* Flag to enable Unicode output in case users wish to use programs
235 like Twinbridge on '95 rather than installed system level support
236 for Far East languages. */
237 int w32_enable_unicode_output
;
239 DWORD dwWindowsThreadId
= 0;
240 HANDLE hWindowsThread
= NULL
;
241 DWORD dwMainThreadId
= 0;
242 HANDLE hMainThread
= NULL
;
245 /* These definitions are new with Windows 95. */
246 #define SIF_RANGE 0x0001
247 #define SIF_PAGE 0x0002
248 #define SIF_POS 0x0004
249 #define SIF_DISABLENOSCROLL 0x0008
250 #define SIF_TRACKPOS 0x0010
251 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
253 typedef struct tagSCROLLINFO
262 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
263 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
266 /* Dynamic linking to new proportional scroll bar functions. */
267 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
268 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
270 int vertical_scroll_bar_min_handle
;
271 int vertical_scroll_bar_top_border
;
272 int vertical_scroll_bar_bottom_border
;
274 int last_scroll_bar_drag_pos
;
276 /* Mouse movement. */
278 /* Where the mouse was last time we reported a mouse event. */
280 FRAME_PTR last_mouse_frame
;
281 static RECT last_mouse_glyph
;
282 static Lisp_Object last_mouse_press_frame
;
284 Lisp_Object Vw32_num_mouse_buttons
;
286 Lisp_Object Vw32_swap_mouse_buttons
;
288 /* Control whether x_raise_frame also sets input focus. */
289 Lisp_Object Vw32_grab_focus_on_raise
;
291 /* Control whether Caps Lock affects non-ascii characters. */
292 Lisp_Object Vw32_capslock_is_shiftlock
;
294 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
295 Lisp_Object Vw32_recognize_altgr
;
297 /* The scroll bar in which the last motion event occurred.
299 If the last motion event occurred in a scroll bar, we set this
300 so w32_mouse_position can know whether to report a scroll bar motion or
303 If the last motion event didn't occur in a scroll bar, we set this
304 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
305 static Lisp_Object last_mouse_scroll_bar
;
306 static int last_mouse_scroll_bar_pos
;
308 /* This is a hack. We would really prefer that w32_mouse_position would
309 return the time associated with the position it returns, but there
310 doesn't seem to be any way to wrest the time-stamp from the server
311 along with the position query. So, we just keep track of the time
312 of the last movement we received, and return that in hopes that
313 it's somewhat accurate. */
315 static Time last_mouse_movement_time
;
317 /* Incremented by w32_read_socket whenever it really tries to read
321 static int volatile input_signal_count
;
323 static int input_signal_count
;
326 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
328 extern Lisp_Object Qface
, Qmouse_face
;
334 /* A mask of extra modifier bits to put into every keyboard char. */
336 extern int extra_keyboard_modifiers
;
338 /* Enumeration for overriding/changing the face to use for drawing
339 glyphs in x_draw_glyphs. */
341 enum draw_glyphs_face
351 static void x_update_window_end
P_ ((struct window
*, int, int));
352 static void frame_to_window_pixel_xy
P_ ((struct window
*, int *, int *));
353 void w32_delete_display
P_ ((struct w32_display_info
*));
354 static int fast_find_position
P_ ((struct window
*, int, int *, int *,
355 int *, int *, Lisp_Object
));
356 static int fast_find_string_pos
P_ ((struct window
*, int, Lisp_Object
,
357 int *, int *, int *, int *, int));
358 static void set_output_cursor
P_ ((struct cursor_pos
*));
359 static struct glyph
*x_y_to_hpos_vpos
P_ ((struct window
*, int, int,
360 int *, int *, int *, int));
361 static void note_mode_line_highlight
P_ ((struct window
*, int, int));
362 static void note_mouse_highlight
P_ ((struct frame
*, int, int));
363 static void note_tool_bar_highlight
P_ ((struct frame
*f
, int, int));
364 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
365 struct input_event
*));
366 static void show_mouse_face
P_ ((struct w32_display_info
*,
367 enum draw_glyphs_face
));
368 static int cursor_in_mouse_face_p
P_ ((struct window
*));
369 static int clear_mouse_face
P_ ((struct w32_display_info
*));
371 void x_lower_frame
P_ ((struct frame
*));
372 void x_scroll_bar_clear
P_ ((struct frame
*));
373 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
374 void x_raise_frame
P_ ((struct frame
*));
375 void x_set_window_size
P_ ((struct frame
*, int, int, int));
376 void x_wm_set_window_state
P_ ((struct frame
*, int));
377 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
378 void w32_initialize
P_ ((void));
379 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
380 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
381 static void x_draw_phys_cursor_glyph
P_ ((struct window
*,
383 enum draw_glyphs_face
));
384 static void x_update_end
P_ ((struct frame
*));
385 static void w32_frame_up_to_date
P_ ((struct frame
*));
386 static void w32_set_terminal_modes
P_ ((void));
387 static void w32_reset_terminal_modes
P_ ((void));
388 static void w32_cursor_to
P_ ((int, int, int, int));
389 static void x_write_glyphs
P_ ((struct glyph
*, int));
390 static void x_clear_end_of_line
P_ ((int));
391 static void x_clear_frame
P_ ((void));
392 static void x_clear_cursor
P_ ((struct window
*));
393 static void frame_highlight
P_ ((struct frame
*));
394 static void frame_unhighlight
P_ ((struct frame
*));
395 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
397 static void w32_frame_rehighlight
P_ ((struct frame
*));
398 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
399 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
400 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int));
401 static void expose_frame
P_ ((struct frame
*, int, int, int, int));
402 static int expose_window_tree
P_ ((struct window
*, RECT
*));
403 static int expose_window
P_ ((struct window
*, RECT
*));
404 static void expose_area
P_ ((struct window
*, struct glyph_row
*,
405 RECT
*, enum glyph_row_area
));
406 static int expose_line
P_ ((struct window
*, struct glyph_row
*,
408 void x_update_cursor
P_ ((struct frame
*, int));
409 static void x_update_cursor_in_window_tree
P_ ((struct window
*, int));
410 static void x_update_window_cursor
P_ ((struct window
*, int));
411 static void x_erase_phys_cursor
P_ ((struct window
*));
412 void x_display_cursor
P_ ((struct window
*w
, int, int, int, int, int));
413 void x_display_and_set_cursor
P_ ((struct window
*, int, int, int, int, int));
414 static void w32_draw_fringe_bitmap
P_ ((struct window
*, HDC hdc
,
416 enum fringe_bitmap_type
, int left_p
));
417 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*,
419 static int x_phys_cursor_in_rect_p
P_ ((struct window
*, RECT
*));
420 static void x_draw_row_fringe_bitmaps
P_ ((struct window
*,
421 struct glyph_row
*));
422 static void notice_overwritten_cursor
P_ ((struct window
*,
424 int, int, int, int));
426 static Lisp_Object Qvendor_specific_keysyms
;
429 /***********************************************************************
431 ***********************************************************************/
435 /* This is a function useful for recording debugging information about
436 the sequence of occurrences in this file. */
444 struct record event_record
[100];
446 int event_record_index
;
448 record_event (locus
, type
)
452 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
453 event_record_index
= 0;
455 event_record
[event_record_index
].locus
= locus
;
456 event_record
[event_record_index
].type
= type
;
457 event_record_index
++;
463 void XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
466 if (mask
& GCForeground
)
467 gc
->foreground
= xgcv
->foreground
;
468 if (mask
& GCBackground
)
469 gc
->background
= xgcv
->background
;
471 gc
->font
= xgcv
->font
;
474 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
477 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
478 bzero (gc
, sizeof (XGCValues
));
480 XChangeGC (ignore
, gc
, mask
, xgcv
);
485 void XGetGCValues (void* ignore
, XGCValues
*gc
,
486 unsigned long mask
, XGCValues
*xgcv
)
488 XChangeGC (ignore
, xgcv
, mask
, gc
);
492 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
496 HRGN clip_region
= CreateRectRgnIndirect (rect
);
497 SelectClipRgn (hdc
, clip_region
);
498 DeleteObject (clip_region
);
501 SelectClipRgn (hdc
, NULL
);
505 /* Draw a hollow rectangle at the specified position. */
507 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
508 int width
, int height
)
513 hb
= CreateSolidBrush (gc
->background
);
514 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
515 oldhb
= SelectObject (hdc
, hb
);
516 oldhp
= SelectObject (hdc
, hp
);
518 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
520 SelectObject (hdc
, oldhb
);
521 SelectObject (hdc
, oldhp
);
526 /* Draw a filled rectangle at the specified position. */
528 w32_fill_rect (f
, hdc
, pix
, lprect
)
536 hb
= CreateSolidBrush (pix
);
537 FillRect (hdc
, lprect
, hb
);
546 HDC hdc
= get_frame_dc (f
);
548 /* Under certain conditions, this can be called at startup with
549 a console frame pointer before the GUI frame is created. An HDC
550 of 0 indicates this. */
553 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
554 w32_clear_rect (f
, hdc
, &rect
);
557 release_frame_dc (f
, hdc
);
561 /***********************************************************************
562 Starting and ending an update
563 ***********************************************************************/
565 /* Start an update of frame F. This function is installed as a hook
566 for update_begin, i.e. it is called when update_begin is called.
567 This function is called prior to calls to x_update_window_begin for
568 each window being updated. */
574 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
576 if (! FRAME_W32_P (f
))
579 /* Regenerate display palette before drawing if list of requested
580 colors has changed. */
581 if (display_info
->regen_palette
)
583 w32_regenerate_palette (f
);
584 display_info
->regen_palette
= FALSE
;
589 /* Start update of window W. Set the global variable updated_window
590 to the window being updated and set output_cursor to the cursor
594 x_update_window_begin (w
)
597 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
598 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
600 /* Hide the system caret during an update. */
601 if (w32_use_visible_system_caret
)
602 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
605 set_output_cursor (&w
->cursor
);
609 if (f
== display_info
->mouse_face_mouse_frame
)
611 /* Don't do highlighting for mouse motion during the update. */
612 display_info
->mouse_face_defer
= 1;
614 /* If F needs to be redrawn, simply forget about any prior mouse
616 if (FRAME_GARBAGED_P (f
))
617 display_info
->mouse_face_window
= Qnil
;
619 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
620 their mouse_face_p flag set, which means that they are always
621 unequal to rows in a desired matrix which never have that
622 flag set. So, rows containing mouse-face glyphs are never
623 scrolled, and we don't have to switch the mouse highlight off
624 here to prevent it from being scrolled. */
626 /* Can we tell that this update does not affect the window
627 where the mouse highlight is? If so, no need to turn off.
628 Likewise, don't do anything if the frame is garbaged;
629 in that case, the frame's current matrix that we would use
630 is all wrong, and we will redisplay that line anyway. */
631 if (!NILP (display_info
->mouse_face_window
)
632 && w
== XWINDOW (display_info
->mouse_face_window
))
636 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
637 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
640 if (i
< w
->desired_matrix
->nrows
)
641 clear_mouse_face (display_info
);
650 /* Draw a vertical window border to the right of window W if W doesn't
651 have vertical scroll bars. */
654 x_draw_vertical_border (w
)
657 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
659 /* Redraw borders between horizontally adjacent windows. Don't
660 do it for frames with vertical scroll bars because either the
661 right scroll bar of a window, or the left scroll bar of its
662 neighbor will suffice as a border. */
663 if (!WINDOW_RIGHTMOST_P (w
)
664 && !FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
669 window_box_edges (w
, -1, (int *) &r
.left
, (int *) &r
.top
,
670 (int *) &r
.right
, (int *) &r
.bottom
);
671 r
.left
= r
.right
+ FRAME_X_RIGHT_FRINGE_WIDTH (f
);
672 r
.right
= r
.left
+ 1;
675 hdc
= get_frame_dc (f
);
676 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
677 release_frame_dc (f
, hdc
);
682 /* End update of window W (which is equal to updated_window).
684 Draw vertical borders between horizontally adjacent windows, and
685 display W's cursor if CURSOR_ON_P is non-zero.
687 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
688 glyphs in mouse-face were overwritten. In that case we have to
689 make sure that the mouse-highlight is properly redrawn.
691 W may be a menu bar pseudo-window in case we don't have X toolkit
692 support. Such windows don't have a cursor, so don't display it
696 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
698 int cursor_on_p
, mouse_face_overwritten_p
;
700 struct w32_display_info
*dpyinfo
701 = FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
703 if (!w
->pseudo_window_p
)
708 x_display_and_set_cursor (w
, 1, output_cursor
.hpos
,
710 output_cursor
.x
, output_cursor
.y
);
712 x_draw_vertical_border (w
);
716 /* If a row with mouse-face was overwritten, arrange for
717 XTframe_up_to_date to redisplay the mouse highlight. */
718 if (mouse_face_overwritten_p
)
720 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
721 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
722 dpyinfo
->mouse_face_window
= Qnil
;
725 /* Unhide the caret. This won't actually show the cursor, unless it
726 was visible before the corresponding call to HideCaret in
727 x_update_window_begin. */
728 if (w32_use_visible_system_caret
)
729 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
731 updated_window
= NULL
;
735 /* End update of frame F. This function is installed as a hook in
742 if (! FRAME_W32_P (f
))
745 /* Mouse highlight may be displayed again. */
746 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
750 /* This function is called from various places in xdisp.c whenever a
751 complete update has been performed. The global variable
752 updated_window is not available here. */
755 w32_frame_up_to_date (f
)
760 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
761 if (dpyinfo
->mouse_face_deferred_gc
762 || f
== dpyinfo
->mouse_face_mouse_frame
)
765 if (dpyinfo
->mouse_face_mouse_frame
)
766 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
767 dpyinfo
->mouse_face_mouse_x
,
768 dpyinfo
->mouse_face_mouse_y
);
769 dpyinfo
->mouse_face_deferred_gc
= 0;
776 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
777 arrow bitmaps, or clear the fringes if no bitmaps are required
778 before DESIRED_ROW is made current. The window being updated is
779 found in updated_window. This function is called from
780 update_window_line only if it is known that there are differences
781 between bitmaps to be drawn between current row and DESIRED_ROW. */
784 x_after_update_window_line (desired_row
)
785 struct glyph_row
*desired_row
;
787 struct window
*w
= updated_window
;
793 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
796 x_draw_row_fringe_bitmaps (w
, desired_row
);
800 /* When a window has disappeared, make sure that no rest of
801 full-width rows stays visible in the internal border. Could
802 check here if updated_window is the leftmost/rightmost window,
803 but I guess it's not worth doing since vertically split windows
804 are almost never used, internal border is rarely set, and the
805 overhead is very small. */
806 if (windows_or_buffers_changed
807 && desired_row
->full_width_p
808 && (f
= XFRAME (w
->frame
),
809 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
811 && (height
= desired_row
->visible_height
,
814 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
815 /* Internal border is drawn below the tool bar. */
816 if (WINDOWP (f
->tool_bar_window
)
817 && w
== XWINDOW (f
->tool_bar_window
))
822 HDC hdc
= get_frame_dc (f
);
823 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
824 w32_clear_area (f
, hdc
, f
->output_data
.w32
->pixel_width
- width
,
826 release_frame_dc (f
, hdc
);
833 /* Draw the bitmap WHICH in one of the left or right fringes of
834 window W. ROW is the glyph row for which to display the bitmap; it
835 determines the vertical position at which the bitmap has to be
839 w32_draw_fringe_bitmap (w
, hdc
, row
, which
, left_p
)
842 struct glyph_row
*row
;
843 enum fringe_bitmap_type which
;
846 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
847 Window window
= FRAME_W32_WINDOW (f
);
855 /* Must clip because of partially visible lines. */
856 w32_clip_to_row (w
, row
, hdc
, 1);
858 /* Convert row to frame coordinates. */
859 y
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
863 case NO_FRINGE_BITMAP
:
868 case LEFT_TRUNCATION_BITMAP
:
874 case OVERLAY_ARROW_BITMAP
:
880 case RIGHT_TRUNCATION_BITMAP
:
886 case CONTINUED_LINE_BITMAP
:
887 wd
= continued_width
;
888 h
= continued_height
;
889 pixmap
= continued_bmp
;
892 case CONTINUATION_LINE_BITMAP
:
893 wd
= continuation_width
;
894 h
= continuation_height
;
895 pixmap
= continuation_bmp
;
900 h
= zv_height
- (y
% zv_period
);
908 /* Clip bitmap if too high. */
912 /* Set dy to the offset in the row to start drawing the bitmap. */
913 dy
= (row
->height
- h
) / 2;
915 /* Draw the bitmap. */
916 face
= FACE_FROM_ID (f
, FRINGE_FACE_ID
);
917 PREPARE_FACE_FOR_DISPLAY (f
, face
);
919 /* Clear left fringe if no bitmap to draw or if bitmap doesn't fill
924 if (wd
> FRAME_X_LEFT_FRINGE_WIDTH (f
))
925 wd
= FRAME_X_LEFT_FRINGE_WIDTH (f
);
926 x
= (WINDOW_TO_FRAME_PIXEL_X (w
, 0)
928 - (FRAME_X_LEFT_FRINGE_WIDTH (f
) - wd
) / 2);
929 if (wd
< FRAME_X_LEFT_FRINGE_WIDTH (f
) || row
->height
> h
)
931 /* If W has a vertical border to its left, don't draw over it. */
932 int border
= ((XFASTINT (w
->left
) > 0
933 && !FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
935 b1
= (window_box_left (w
, -1)
936 - FRAME_X_LEFT_FRINGE_WIDTH (f
)
938 b2
= (FRAME_X_LEFT_FRINGE_WIDTH (f
) - border
);
943 if (wd
> FRAME_X_RIGHT_FRINGE_WIDTH (f
))
944 wd
= FRAME_X_RIGHT_FRINGE_WIDTH (f
);
945 x
= (window_box_right (w
, -1)
946 + (FRAME_X_RIGHT_FRINGE_WIDTH (f
) - wd
) / 2);
947 /* Clear right fringe if no bitmap to draw of if bitmap doesn't fill
949 if (wd
< FRAME_X_RIGHT_FRINGE_WIDTH (f
) || row
->height
> h
)
951 b1
= window_box_right (w
, -1);
952 b2
= FRAME_X_RIGHT_FRINGE_WIDTH (f
);
958 int header_line_height
= WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w
);
960 w32_fill_area (f
, hdc
, face
->background
,
962 WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
965 row
->visible_height
);
968 if (which
== NO_FRINGE_BITMAP
)
971 compat_hdc
= CreateCompatibleDC (hdc
);
974 horig_obj
= SelectObject (compat_hdc
, pixmap
);
975 SetTextColor (hdc
, face
->background
);
976 SetBkColor (hdc
, face
->foreground
);
978 BitBlt (hdc
, x
, y
+ dy
, wd
, h
, compat_hdc
, 0,
979 (which
== ZV_LINE_BITMAP
? (row
->y
% zv_period
) : 0),
982 SelectObject (compat_hdc
, horig_obj
);
983 DeleteDC (compat_hdc
);
988 /* Draw fringe bitmaps for glyph row ROW on window W. Call this
989 function with input blocked. */
992 x_draw_row_fringe_bitmaps (w
, row
)
994 struct glyph_row
*row
;
996 struct frame
*f
= XFRAME (w
->frame
);
997 enum fringe_bitmap_type bitmap
;
1000 xassert (interrupt_input_blocked
);
1002 /* If row is completely invisible, because of vscrolling, we
1003 don't have to draw anything. */
1004 if (row
->visible_height
<= 0)
1007 hdc
= get_frame_dc (f
);
1009 if (FRAME_X_LEFT_FRINGE_WIDTH (f
) != 0)
1011 /* Decide which bitmap to draw in the left fringe. */
1012 if (row
->overlay_arrow_p
)
1013 bitmap
= OVERLAY_ARROW_BITMAP
;
1014 else if (row
->truncated_on_left_p
)
1015 bitmap
= LEFT_TRUNCATION_BITMAP
;
1016 else if (MATRIX_ROW_CONTINUATION_LINE_P (row
))
1017 bitmap
= CONTINUATION_LINE_BITMAP
;
1018 else if (row
->indicate_empty_line_p
)
1019 bitmap
= ZV_LINE_BITMAP
;
1021 bitmap
= NO_FRINGE_BITMAP
;
1023 w32_draw_fringe_bitmap (w
, hdc
, row
, bitmap
, 1);
1026 if (FRAME_X_RIGHT_FRINGE_WIDTH (f
) != 0)
1028 /* Decide which bitmap to draw in the right fringe. */
1029 if (row
->truncated_on_right_p
)
1030 bitmap
= RIGHT_TRUNCATION_BITMAP
;
1031 else if (row
->continued_p
)
1032 bitmap
= CONTINUED_LINE_BITMAP
;
1033 else if (row
->indicate_empty_line_p
&& FRAME_X_LEFT_FRINGE_WIDTH (f
) == 0)
1034 bitmap
= ZV_LINE_BITMAP
;
1036 bitmap
= NO_FRINGE_BITMAP
;
1038 w32_draw_fringe_bitmap (w
, hdc
, row
, bitmap
, 0);
1041 release_frame_dc (f
, hdc
);
1045 /* This is called when starting Emacs and when restarting after
1046 suspend. When starting Emacs, no window is mapped. And nothing
1047 must be done to Emacs's own window if it is suspended (though that
1051 w32_set_terminal_modes (void)
1055 /* This is called when exiting or suspending Emacs. Exiting will make
1056 the W32 windows go away, and suspending requires no action. */
1059 w32_reset_terminal_modes (void)
1065 /***********************************************************************
1067 ***********************************************************************/
1069 /* Set the global variable output_cursor to CURSOR. All cursor
1070 positions are relative to updated_window. */
1073 set_output_cursor (cursor
)
1074 struct cursor_pos
*cursor
;
1076 output_cursor
.hpos
= cursor
->hpos
;
1077 output_cursor
.vpos
= cursor
->vpos
;
1078 output_cursor
.x
= cursor
->x
;
1079 output_cursor
.y
= cursor
->y
;
1083 /* Set a nominal cursor position.
1085 HPOS and VPOS are column/row positions in a window glyph matrix. X
1086 and Y are window text area relative pixel positions.
1088 If this is done during an update, updated_window will contain the
1089 window that is being updated and the position is the future output
1090 cursor position for that window. If updated_window is null, use
1091 selected_window and display the cursor at the given position. */
1094 w32_cursor_to (vpos
, hpos
, y
, x
)
1095 int vpos
, hpos
, y
, x
;
1099 /* If updated_window is not set, work on selected_window. */
1103 w
= XWINDOW (selected_window
);
1105 /* Set the output cursor. */
1106 output_cursor
.hpos
= hpos
;
1107 output_cursor
.vpos
= vpos
;
1108 output_cursor
.x
= x
;
1109 output_cursor
.y
= y
;
1111 /* If not called as part of an update, really display the cursor.
1112 This will also set the cursor position of W. */
1113 if (updated_window
== NULL
)
1116 x_display_cursor (w
, 1, hpos
, vpos
, x
, y
);
1123 /***********************************************************************
1125 ***********************************************************************/
1127 /* Function prototypes of this page. */
1129 static struct face
*x_get_glyph_face_and_encoding
P_ ((struct frame
*,
1133 static struct face
*x_get_char_face_and_encoding
P_ ((struct frame
*, int,
1134 int, wchar_t *, int));
1135 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
1137 enum w32_char_font_type
));
1138 static enum w32_char_font_type
1139 w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
1140 static void x_append_glyph
P_ ((struct it
*));
1141 static void x_append_composite_glyph
P_ ((struct it
*));
1142 static void x_append_stretch_glyph
P_ ((struct it
*it
, Lisp_Object
,
1144 static void x_produce_glyphs
P_ ((struct it
*));
1145 static void x_produce_image_glyph
P_ ((struct it
*it
));
1148 /* Dealing with bits of wchar_t as if they were an XChar2B. */
1149 #define BUILD_WCHAR_T(byte1, byte2) \
1150 ((wchar_t)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff)))
1154 (((ch) & 0xff00) >> 8)
1160 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
1161 If CHAR2B is not contained in FONT, the font's default character
1162 metric is returned. */
1165 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
1171 glyph_metric
* bdf_metric
;
1175 buf
[0] = (char)(*char2b
);
1178 buf
[0] = BYTE1 (*char2b
);
1179 buf
[1] = BYTE2 (*char2b
);
1182 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
1186 pcm
->width
= bdf_metric
->dwidth
;
1187 pcm
->lbearing
= bdf_metric
->bbox
;
1188 pcm
->rbearing
= bdf_metric
->dwidth
1189 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
1190 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
1191 pcm
->descent
= -bdf_metric
->bboy
;
1200 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
1203 enum w32_char_font_type font_type
;
1206 HDC hdc
= GetDC (NULL
);
1208 BOOL retval
= FALSE
;
1210 xassert (font
&& char2b
);
1211 xassert (font
->hfont
);
1212 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
1214 old_font
= SelectObject (hdc
, font
->hfont
);
1216 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
1220 if (font_type
== UNICODE_FONT
)
1221 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
1223 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
1228 /* Disabled until we can find a way to get the right results
1229 on all versions of Windows. */
1231 /* Don't trust the ABC widths. For synthesized fonts they are
1232 wrong, and so is the result of GetCharWidth()! */
1234 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
1236 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
1238 /* As far as I can tell, this is the best way to determine what
1239 ExtTextOut will do with the broken font. */
1240 if (pcm
->width
!= real_width
)
1241 pcm
->width
= (pcm
->width
+ real_width
) / 2;
1243 pcm
->lbearing
= char_widths
.abcA
;
1244 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
1245 pcm
->ascent
= FONT_BASE (font
);
1246 pcm
->descent
= FONT_DESCENT (font
);
1252 /* Either font is not a True-type font, or GetCharABCWidthsW
1253 failed (it is not supported on Windows 9x for instance), so we
1254 can't determine the full info we would like. All is not lost
1255 though - we can call GetTextExtentPoint32 to get rbearing and
1256 deduce width based on the font's per-string overhang. lbearing
1257 is assumed to be zero. */
1259 /* TODO: Some Thai characters (and other composites if Windows
1260 supports them) do have lbearing, and report their total width
1261 as zero. Need some way of handling them when
1262 GetCharABCWidthsW fails. */
1265 if (font_type
== UNICODE_FONT
)
1266 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
1268 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
1272 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
1273 pcm
->rbearing
= sz
.cx
;
1275 pcm
->ascent
= FONT_BASE (font
);
1276 pcm
->descent
= FONT_DESCENT (font
);
1281 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
1286 SelectObject (hdc
, old_font
);
1287 ReleaseDC (NULL
, hdc
);
1293 static XCharStruct
*
1294 w32_per_char_metric (font
, char2b
, font_type
)
1297 enum w32_char_font_type font_type
;
1299 /* The result metric information. */
1303 xassert (font
&& char2b
);
1304 xassert (font_type
!= UNKNOWN_FONT
);
1306 /* Handle the common cases quickly. */
1307 if (!font
->bdf
&& font
->per_char
== NULL
)
1308 /* TODO: determine whether char2b exists in font? */
1309 return &font
->max_bounds
;
1310 else if (!font
->bdf
&& *char2b
< 128)
1311 return &font
->per_char
[*char2b
];
1313 pcm
= &font
->scratch
;
1315 if (font_type
== BDF_1D_FONT
)
1316 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1317 else if (font_type
== BDF_2D_FONT
)
1318 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1320 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1329 w32_cache_char_metrics (font
)
1332 wchar_t char2b
= L
'x';
1334 /* Cache char metrics for the common cases. */
1337 /* TODO: determine whether font is fixed-pitch. */
1338 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1340 /* Use the font width and height as max bounds, as not all BDF
1341 fonts contain the letter 'x'. */
1342 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1343 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1344 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1345 font
->max_bounds
.ascent
= FONT_BASE (font
);
1346 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1351 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1352 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1353 though they contain characters of different widths. */
1354 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1356 /* Font is not fixed pitch, so cache per_char info for the
1357 ASCII characters. It would be much more work, and probably
1358 not worth it, to cache other chars, since we may change
1359 between using Unicode and ANSI text drawing functions at
1363 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1364 for (i
= 0; i
< 128; i
++)
1367 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1368 &font
->per_char
[i
]);
1372 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1378 /* Determine if a font is double byte. */
1379 int w32_font_is_double_byte (XFontStruct
*font
)
1381 return font
->double_byte_p
;
1386 w32_use_unicode_for_codepage (codepage
)
1389 /* If the current codepage is supported, use Unicode for output. */
1390 return (w32_enable_unicode_output
1391 && codepage
!= CP_8BIT
1392 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1395 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1396 the two-byte form of C. Encoding is returned in *CHAR2B. */
1398 static INLINE
enum w32_char_font_type
1399 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1402 struct font_info
*font_info
;
1405 int charset
= CHAR_CHARSET (c
);
1409 XFontStruct
*font
= font_info
->font
;
1411 xassert (two_byte_p
);
1413 *two_byte_p
= w32_font_is_double_byte (font
);
1415 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1416 This may be either a program in a special encoder language or a
1418 if (font_info
->font_encoder
)
1420 /* It's a program. */
1421 struct ccl_program
*ccl
= font_info
->font_encoder
;
1423 if (CHARSET_DIMENSION (charset
) == 1)
1425 ccl
->reg
[0] = charset
;
1426 ccl
->reg
[1] = BYTE2 (*char2b
);
1430 ccl
->reg
[0] = charset
;
1431 ccl
->reg
[1] = BYTE1 (*char2b
);
1432 ccl
->reg
[2] = BYTE2 (*char2b
);
1435 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1437 /* We assume that MSBs are appropriately set/reset by CCL
1439 if (!*two_byte_p
) /* 1-byte font */
1440 *char2b
= BUILD_WCHAR_T (0, ccl
->reg
[1]);
1442 *char2b
= BUILD_WCHAR_T (ccl
->reg
[1], ccl
->reg
[2]);
1444 else if (font_info
->encoding
[charset
])
1446 /* Fixed encoding scheme. See fontset.h for the meaning of the
1447 encoding numbers. */
1448 int enc
= font_info
->encoding
[charset
];
1450 if ((enc
== 1 || enc
== 2)
1451 && CHARSET_DIMENSION (charset
) == 2)
1452 *char2b
= BUILD_WCHAR_T (BYTE1 (*char2b
) | 0x80, BYTE2 (*char2b
));
1454 if (enc
== 1 || enc
== 3
1455 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1456 *char2b
= BUILD_WCHAR_T (BYTE1 (*char2b
), BYTE2 (*char2b
) | 0x80);
1461 ENCODE_SJIS (BYTE1 (*char2b
), BYTE2 (*char2b
),
1463 *char2b
= BUILD_WCHAR_T (sjis1
, sjis2
);
1466 codepage
= font_info
->codepage
;
1468 /* If charset is not ASCII or Latin-1, may need to move it into
1470 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1471 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1472 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1475 temp
[0] = BYTE1 (*char2b
);
1476 temp
[1] = BYTE2 (*char2b
);
1478 if (codepage
!= CP_UNICODE
)
1481 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1483 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1489 return UNKNOWN_FONT
;
1490 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1495 return UNICODE_FONT
;
1501 /* Get face and two-byte form of character C in face FACE_ID on frame
1502 F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero
1503 means we want to display multibyte text. Value is a pointer to a
1504 realized face that is ready for display. */
1506 static INLINE
struct face
*
1507 x_get_char_face_and_encoding (f
, c
, face_id
, char2b
, multibyte_p
)
1513 struct face
*face
= FACE_FROM_ID (f
, face_id
);
1517 /* Unibyte case. We don't have to encode, but we have to make
1518 sure to use a face suitable for unibyte. */
1519 *char2b
= BUILD_WCHAR_T (0, c
);
1520 face_id
= FACE_FOR_CHAR (f
, face
, c
);
1521 face
= FACE_FROM_ID (f
, face_id
);
1523 else if (c
< 128 && face_id
< BASIC_FACE_ID_SENTINEL
)
1525 /* Case of ASCII in a face known to fit ASCII. */
1526 *char2b
= BUILD_WCHAR_T (0, c
);
1530 int c1
, c2
, charset
;
1532 /* Split characters into bytes. If c2 is -1 afterwards, C is
1533 really a one-byte character so that byte1 is zero. */
1534 SPLIT_CHAR (c
, charset
, c1
, c2
);
1536 *char2b
= BUILD_WCHAR_T (c1
, c2
);
1538 *char2b
= BUILD_WCHAR_T (0, c1
);
1540 /* Maybe encode the character in *CHAR2B. */
1541 if (face
->font
!= NULL
)
1543 struct font_info
*font_info
1544 = FONT_INFO_FROM_ID (f
, face
->font_info_id
);
1546 w32_encode_char (c
, char2b
, font_info
, &multibyte_p
);
1550 /* Make sure X resources of the face are allocated. */
1551 xassert (face
!= NULL
);
1552 PREPARE_FACE_FOR_DISPLAY (f
, face
);
1558 /* Get face and two-byte form of character glyph GLYPH on frame F.
1559 The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is
1560 a pointer to a realized face that is ready for display. */
1562 static INLINE
struct face
*
1563 x_get_glyph_face_and_encoding (f
, glyph
, char2b
, two_byte_p
)
1565 struct glyph
*glyph
;
1572 xassert (glyph
->type
== CHAR_GLYPH
);
1573 face
= FACE_FROM_ID (f
, glyph
->face_id
);
1578 two_byte_p
= &dummy
;
1580 if (!glyph
->multibyte_p
)
1582 /* Unibyte case. We don't have to encode, but we have to make
1583 sure to use a face suitable for unibyte. */
1584 *char2b
= BUILD_WCHAR_T (0, glyph
->u
.ch
);
1586 else if (glyph
->u
.ch
< 128
1587 && glyph
->face_id
< BASIC_FACE_ID_SENTINEL
)
1589 /* Case of ASCII in a face known to fit ASCII. */
1590 *char2b
= BUILD_WCHAR_T (0, glyph
->u
.ch
);
1594 int c1
, c2
, charset
;
1596 /* Split characters into bytes. If c2 is -1 afterwards, C is
1597 really a one-byte character so that byte1 is zero. */
1598 SPLIT_CHAR (glyph
->u
.ch
, charset
, c1
, c2
);
1600 *char2b
= BUILD_WCHAR_T (c1
, c2
);
1602 *char2b
= BUILD_WCHAR_T (0, c1
);
1604 /* Maybe encode the character in *CHAR2B. */
1605 if (charset
!= CHARSET_ASCII
)
1607 struct font_info
*font_info
1608 = FONT_INFO_FROM_ID (f
, face
->font_info_id
);
1611 glyph
->w32_font_type
1612 = w32_encode_char (glyph
->u
.ch
, char2b
, font_info
, two_byte_p
);
1617 /* Make sure X resources of the face are allocated. */
1618 xassert (face
!= NULL
);
1619 PREPARE_FACE_FOR_DISPLAY (f
, face
);
1624 /* Store one glyph for IT->char_to_display in IT->glyph_row.
1625 Called from x_produce_glyphs when IT->glyph_row is non-null. */
1631 struct glyph
*glyph
;
1632 enum glyph_row_area area
= it
->area
;
1634 xassert (it
->glyph_row
);
1635 xassert (it
->char_to_display
!= '\n' && it
->char_to_display
!= '\t');
1637 glyph
= it
->glyph_row
->glyphs
[area
] + it
->glyph_row
->used
[area
];
1638 if (glyph
< it
->glyph_row
->glyphs
[area
+ 1])
1640 glyph
->charpos
= CHARPOS (it
->position
);
1641 glyph
->object
= it
->object
;
1642 glyph
->pixel_width
= it
->pixel_width
;
1643 glyph
->voffset
= it
->voffset
;
1644 glyph
->type
= CHAR_GLYPH
;
1645 glyph
->multibyte_p
= it
->multibyte_p
;
1646 glyph
->left_box_line_p
= it
->start_of_box_run_p
;
1647 glyph
->right_box_line_p
= it
->end_of_box_run_p
;
1648 glyph
->overlaps_vertically_p
= (it
->phys_ascent
> it
->ascent
1649 || it
->phys_descent
> it
->descent
);
1650 glyph
->padding_p
= 0;
1651 glyph
->glyph_not_available_p
= it
->glyph_not_available_p
;
1652 glyph
->face_id
= it
->face_id
;
1653 glyph
->u
.ch
= it
->char_to_display
;
1654 glyph
->w32_font_type
= UNKNOWN_FONT
;
1655 ++it
->glyph_row
->used
[area
];
1659 /* Store one glyph for the composition IT->cmp_id in IT->glyph_row.
1660 Called from x_produce_glyphs when IT->glyph_row is non-null. */
1663 x_append_composite_glyph (it
)
1666 struct glyph
*glyph
;
1667 enum glyph_row_area area
= it
->area
;
1669 xassert (it
->glyph_row
);
1671 glyph
= it
->glyph_row
->glyphs
[area
] + it
->glyph_row
->used
[area
];
1672 if (glyph
< it
->glyph_row
->glyphs
[area
+ 1])
1674 glyph
->charpos
= CHARPOS (it
->position
);
1675 glyph
->object
= it
->object
;
1676 glyph
->pixel_width
= it
->pixel_width
;
1677 glyph
->voffset
= it
->voffset
;
1678 glyph
->type
= COMPOSITE_GLYPH
;
1679 glyph
->multibyte_p
= it
->multibyte_p
;
1680 glyph
->left_box_line_p
= it
->start_of_box_run_p
;
1681 glyph
->right_box_line_p
= it
->end_of_box_run_p
;
1682 glyph
->overlaps_vertically_p
= (it
->phys_ascent
> it
->ascent
1683 || it
->phys_descent
> it
->descent
);
1684 glyph
->padding_p
= 0;
1685 glyph
->glyph_not_available_p
= 0;
1686 glyph
->face_id
= it
->face_id
;
1687 glyph
->u
.cmp_id
= it
->cmp_id
;
1688 glyph
->w32_font_type
= UNKNOWN_FONT
;
1689 ++it
->glyph_row
->used
[area
];
1694 /* Change IT->ascent and IT->height according to the setting of
1698 take_vertical_position_into_account (it
)
1703 if (it
->voffset
< 0)
1704 /* Increase the ascent so that we can display the text higher
1706 it
->ascent
+= abs (it
->voffset
);
1708 /* Increase the descent so that we can display the text lower
1710 it
->descent
+= it
->voffset
;
1715 /* Produce glyphs/get display metrics for the image IT is loaded with.
1716 See the description of struct display_iterator in dispextern.h for
1717 an overview of struct display_iterator. */
1720 x_produce_image_glyph (it
)
1726 xassert (it
->what
== IT_IMAGE
);
1728 face
= FACE_FROM_ID (it
->f
, it
->face_id
);
1729 img
= IMAGE_FROM_ID (it
->f
, it
->image_id
);
1732 /* Make sure X resources of the face and image are loaded. */
1733 PREPARE_FACE_FOR_DISPLAY (it
->f
, face
);
1734 prepare_image_for_display (it
->f
, img
);
1736 it
->ascent
= it
->phys_ascent
= image_ascent (img
, face
);
1737 it
->descent
= it
->phys_descent
= img
->height
+ 2 * img
->vmargin
- it
->ascent
;
1738 it
->pixel_width
= img
->width
+ 2 * img
->hmargin
;
1742 if (face
->box
!= FACE_NO_BOX
)
1744 if (face
->box_line_width
> 0)
1746 it
->ascent
+= face
->box_line_width
;
1747 it
->descent
+= face
->box_line_width
;
1750 if (it
->start_of_box_run_p
)
1751 it
->pixel_width
+= abs (face
->box_line_width
);
1752 if (it
->end_of_box_run_p
)
1753 it
->pixel_width
+= abs (face
->box_line_width
);
1756 take_vertical_position_into_account (it
);
1760 struct glyph
*glyph
;
1761 enum glyph_row_area area
= it
->area
;
1763 glyph
= it
->glyph_row
->glyphs
[area
] + it
->glyph_row
->used
[area
];
1764 if (glyph
< it
->glyph_row
->glyphs
[area
+ 1])
1766 glyph
->charpos
= CHARPOS (it
->position
);
1767 glyph
->object
= it
->object
;
1768 glyph
->pixel_width
= it
->pixel_width
;
1769 glyph
->voffset
= it
->voffset
;
1770 glyph
->type
= IMAGE_GLYPH
;
1771 glyph
->multibyte_p
= it
->multibyte_p
;
1772 glyph
->left_box_line_p
= it
->start_of_box_run_p
;
1773 glyph
->right_box_line_p
= it
->end_of_box_run_p
;
1774 glyph
->overlaps_vertically_p
= 0;
1775 glyph
->padding_p
= 0;
1776 glyph
->glyph_not_available_p
= 0;
1777 glyph
->face_id
= it
->face_id
;
1778 glyph
->u
.img_id
= img
->id
;
1779 glyph
->w32_font_type
= UNKNOWN_FONT
;
1780 ++it
->glyph_row
->used
[area
];
1786 /* Append a stretch glyph to IT->glyph_row. OBJECT is the source
1787 of the glyph, WIDTH and HEIGHT are the width and height of the
1788 stretch. ASCENT is the percentage/100 of HEIGHT to use for the
1789 ascent of the glyph (0 <= ASCENT <= 1). */
1792 x_append_stretch_glyph (it
, object
, width
, height
, ascent
)
1798 struct glyph
*glyph
;
1799 enum glyph_row_area area
= it
->area
;
1801 xassert (ascent
>= 0 && ascent
<= 1);
1803 glyph
= it
->glyph_row
->glyphs
[area
] + it
->glyph_row
->used
[area
];
1804 if (glyph
< it
->glyph_row
->glyphs
[area
+ 1])
1806 glyph
->charpos
= CHARPOS (it
->position
);
1807 glyph
->object
= object
;
1808 glyph
->pixel_width
= width
;
1809 glyph
->voffset
= it
->voffset
;
1810 glyph
->type
= STRETCH_GLYPH
;
1811 glyph
->multibyte_p
= it
->multibyte_p
;
1812 glyph
->left_box_line_p
= it
->start_of_box_run_p
;
1813 glyph
->right_box_line_p
= it
->end_of_box_run_p
;
1814 glyph
->overlaps_vertically_p
= 0;
1815 glyph
->padding_p
= 0;
1816 glyph
->glyph_not_available_p
= 0;
1817 glyph
->face_id
= it
->face_id
;
1818 glyph
->u
.stretch
.ascent
= height
* ascent
;
1819 glyph
->u
.stretch
.height
= height
;
1820 glyph
->w32_font_type
= UNKNOWN_FONT
;
1821 ++it
->glyph_row
->used
[area
];
1826 /* Produce a stretch glyph for iterator IT. IT->object is the value
1827 of the glyph property displayed. The value must be a list
1828 `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs
1831 1. `:width WIDTH' specifies that the space should be WIDTH *
1832 canonical char width wide. WIDTH may be an integer or floating
1835 2. `:relative-width FACTOR' specifies that the width of the stretch
1836 should be computed from the width of the first character having the
1837 `glyph' property, and should be FACTOR times that width.
1839 3. `:align-to HPOS' specifies that the space should be wide enough
1840 to reach HPOS, a value in canonical character units.
1842 Exactly one of the above pairs must be present.
1844 4. `:height HEIGHT' specifies that the height of the stretch produced
1845 should be HEIGHT, measured in canonical character units.
1847 5. `:relative-height FACTOR' specifies that the height of the
1848 stretch should be FACTOR times the height of the characters having
1851 Either none or exactly one of 4 or 5 must be present.
1853 6. `:ascent ASCENT' specifies that ASCENT percent of the height
1854 of the stretch should be used for the ascent of the stretch.
1855 ASCENT must be in the range 0 <= ASCENT <= 100. */
1858 ((INTEGERP (X) || FLOATP (X)) \
1864 x_produce_stretch_glyph (it
)
1867 /* (space :width WIDTH :height HEIGHT. */
1869 extern Lisp_Object Qspace
;
1871 extern Lisp_Object QCwidth
, QCheight
, QCascent
;
1872 extern Lisp_Object QCrelative_width
, QCrelative_height
;
1873 extern Lisp_Object QCalign_to
;
1874 Lisp_Object prop
, plist
;
1875 double width
= 0, height
= 0, ascent
= 0;
1876 struct face
*face
= FACE_FROM_ID (it
->f
, it
->face_id
);
1877 XFontStruct
*font
= face
->font
? face
->font
: FRAME_FONT (it
->f
);
1879 PREPARE_FACE_FOR_DISPLAY (it
->f
, face
);
1881 /* List should start with `space'. */
1882 xassert (CONSP (it
->object
) && EQ (XCAR (it
->object
), Qspace
));
1883 plist
= XCDR (it
->object
);
1885 /* Compute the width of the stretch. */
1886 if (prop
= Fplist_get (plist
, QCwidth
),
1888 /* Absolute width `:width WIDTH' specified and valid. */
1889 width
= NUMVAL (prop
) * CANON_X_UNIT (it
->f
);
1890 else if (prop
= Fplist_get (plist
, QCrelative_width
),
1893 /* Relative width `:relative-width FACTOR' specified and valid.
1894 Compute the width of the characters having the `glyph'
1897 unsigned char *p
= BYTE_POS_ADDR (IT_BYTEPOS (*it
));
1900 if (it
->multibyte_p
)
1902 int maxlen
= ((IT_BYTEPOS (*it
) >= GPT
? ZV
: GPT
)
1903 - IT_BYTEPOS (*it
));
1904 it2
.c
= STRING_CHAR_AND_LENGTH (p
, maxlen
, it2
.len
);
1907 it2
.c
= *p
, it2
.len
= 1;
1909 it2
.glyph_row
= NULL
;
1910 it2
.what
= IT_CHARACTER
;
1911 x_produce_glyphs (&it2
);
1912 width
= NUMVAL (prop
) * it2
.pixel_width
;
1914 else if (prop
= Fplist_get (plist
, QCalign_to
),
1916 width
= NUMVAL (prop
) * CANON_X_UNIT (it
->f
) - it
->current_x
;
1918 /* Nothing specified -> width defaults to canonical char width. */
1919 width
= CANON_X_UNIT (it
->f
);
1921 /* Compute height. */
1922 if (prop
= Fplist_get (plist
, QCheight
),
1924 height
= NUMVAL (prop
) * CANON_Y_UNIT (it
->f
);
1925 else if (prop
= Fplist_get (plist
, QCrelative_height
),
1927 height
= FONT_HEIGHT (font
) * NUMVAL (prop
);
1929 height
= FONT_HEIGHT (font
);
1931 /* Compute percentage of height used for ascent. If
1932 `:ascent ASCENT' is present and valid, use that. Otherwise,
1933 derive the ascent from the font in use. */
1934 if (prop
= Fplist_get (plist
, QCascent
),
1935 NUMVAL (prop
) > 0 && NUMVAL (prop
) <= 100)
1936 ascent
= NUMVAL (prop
) / 100.0;
1938 ascent
= (double) FONT_BASE (font
) / FONT_HEIGHT (font
);
1947 Lisp_Object object
= it
->stack
[it
->sp
- 1].string
;
1948 if (!STRINGP (object
))
1949 object
= it
->w
->buffer
;
1950 x_append_stretch_glyph (it
, object
, width
, height
, ascent
);
1953 it
->pixel_width
= width
;
1954 it
->ascent
= it
->phys_ascent
= height
* ascent
;
1955 it
->descent
= it
->phys_descent
= height
- it
->ascent
;
1958 if (face
->box
!= FACE_NO_BOX
)
1960 if (face
->box_line_width
> 0)
1962 it
->ascent
+= face
->box_line_width
;
1963 it
->descent
+= face
->box_line_width
;
1966 if (it
->start_of_box_run_p
)
1967 it
->pixel_width
+= abs (face
->box_line_width
);
1968 if (it
->end_of_box_run_p
)
1969 it
->pixel_width
+= abs (face
->box_line_width
);
1972 take_vertical_position_into_account (it
);
1975 /* Return proper value to be used as baseline offset of font that has
1976 ASCENT and DESCENT to draw characters by the font at the vertical
1977 center of the line of frame F.
1979 Here, out task is to find the value of BOFF in the following figure;
1981 -------------------------+-----------+-
1982 -+-+---------+-+ | |
1984 | | | | F_ASCENT F_HEIGHT
1987 | | |-|-+------+-----------|------- baseline
1989 | |---------|-+-+ | |
1991 -+-+---------+-+ F_DESCENT |
1992 -------------------------+-----------+-
1994 -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT
1995 BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT
1996 DESCENT = FONT->descent
1997 HEIGHT = FONT_HEIGHT (FONT)
1998 F_DESCENT = (F->output_data.x->font->descent
1999 - F->output_data.x->baseline_offset)
2000 F_HEIGHT = FRAME_LINE_HEIGHT (F)
2003 #define VCENTER_BASELINE_OFFSET(FONT, F) \
2004 (FONT_DESCENT (FONT) \
2005 + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT)) \
2006 + (FRAME_LINE_HEIGHT ((F)) > FONT_HEIGHT ((FONT)))) / 2 \
2007 - (FONT_DESCENT (FRAME_FONT (F)) - FRAME_BASELINE_OFFSET (F)))
2009 /* Produce glyphs/get display metrics for the display element IT is
2010 loaded with. See the description of struct display_iterator in
2011 dispextern.h for an overview of struct display_iterator. */
2014 x_produce_glyphs (it
)
2017 it
->glyph_not_available_p
= 0;
2019 if (it
->what
== IT_CHARACTER
)
2023 struct face
*face
= FACE_FROM_ID (it
->f
, it
->face_id
);
2025 int font_not_found_p
;
2026 struct font_info
*font_info
;
2027 int boff
; /* baseline offset */
2028 /* We may change it->multibyte_p upon unibyte<->multibyte
2029 conversion. So, save the current value now and restore it
2032 Note: It seems that we don't have to record multibyte_p in
2033 struct glyph because the character code itself tells if or
2034 not the character is multibyte. Thus, in the future, we must
2035 consider eliminating the field `multibyte_p' in the struct
2038 int saved_multibyte_p
= it
->multibyte_p
;
2040 /* Maybe translate single-byte characters to multibyte, or the
2042 it
->char_to_display
= it
->c
;
2043 if (!ASCII_BYTE_P (it
->c
))
2045 if (unibyte_display_via_language_environment
2046 && SINGLE_BYTE_CHAR_P (it
->c
)
2048 || !NILP (Vnonascii_translation_table
)))
2050 it
->char_to_display
= unibyte_char_to_multibyte (it
->c
);
2051 it
->multibyte_p
= 1;
2052 it
->face_id
= FACE_FOR_CHAR (it
->f
, face
, it
->char_to_display
);
2053 face
= FACE_FROM_ID (it
->f
, it
->face_id
);
2055 else if (!SINGLE_BYTE_CHAR_P (it
->c
)
2056 && !it
->multibyte_p
)
2058 it
->multibyte_p
= 1;
2059 it
->face_id
= FACE_FOR_CHAR (it
->f
, face
, it
->char_to_display
);
2060 face
= FACE_FROM_ID (it
->f
, it
->face_id
);
2064 /* Get font to use. Encode IT->char_to_display. */
2065 x_get_char_face_and_encoding (it
->f
, it
->char_to_display
,
2066 it
->face_id
, &char2b
,
2070 /* When no suitable font found, use the default font. */
2071 font_not_found_p
= font
== NULL
;
2072 if (font_not_found_p
)
2074 font
= FRAME_FONT (it
->f
);
2075 boff
= it
->f
->output_data
.w32
->baseline_offset
;
2080 font_info
= FONT_INFO_FROM_ID (it
->f
, face
->font_info_id
);
2081 boff
= font_info
->baseline_offset
;
2082 if (font_info
->vertical_centering
)
2083 boff
= VCENTER_BASELINE_OFFSET (font
, it
->f
) - boff
;
2086 if (it
->char_to_display
>= ' '
2087 && (!it
->multibyte_p
|| it
->char_to_display
< 128))
2089 /* Either unibyte or ASCII. */
2094 pcm
= w32_per_char_metric (font
, &char2b
,
2095 font
->bdf
? BDF_1D_FONT
: ANSI_FONT
);
2096 it
->ascent
= FONT_BASE (font
) + boff
;
2097 it
->descent
= FONT_DESCENT (font
) - boff
;
2101 it
->phys_ascent
= pcm
->ascent
+ boff
;
2102 it
->phys_descent
= pcm
->descent
- boff
;
2103 it
->pixel_width
= pcm
->width
;
2107 it
->glyph_not_available_p
= 1;
2108 it
->phys_ascent
= FONT_BASE (font
) + boff
;
2109 it
->phys_descent
= FONT_DESCENT (font
) - boff
;
2110 it
->pixel_width
= FONT_WIDTH (font
);
2113 /* If this is a space inside a region of text with
2114 `space-width' property, change its width. */
2115 stretched_p
= it
->char_to_display
== ' ' && !NILP (it
->space_width
);
2117 it
->pixel_width
*= XFLOATINT (it
->space_width
);
2119 /* If face has a box, add the box thickness to the character
2120 height. If character has a box line to the left and/or
2121 right, add the box line width to the character's width. */
2122 if (face
->box
!= FACE_NO_BOX
)
2124 int thick
= face
->box_line_width
;
2128 it
->ascent
+= thick
;
2129 it
->descent
+= thick
;
2134 if (it
->start_of_box_run_p
)
2135 it
->pixel_width
+= thick
;
2136 if (it
->end_of_box_run_p
)
2137 it
->pixel_width
+= thick
;
2140 /* If face has an overline, add the height of the overline
2141 (1 pixel) and a 1 pixel margin to the character height. */
2142 if (face
->overline_p
)
2145 take_vertical_position_into_account (it
);
2147 /* If we have to actually produce glyphs, do it. */
2152 /* Translate a space with a `space-width' property
2153 into a stretch glyph. */
2154 double ascent
= (double) FONT_BASE (font
)
2155 / FONT_HEIGHT (font
);
2156 x_append_stretch_glyph (it
, it
->object
, it
->pixel_width
,
2157 it
->ascent
+ it
->descent
, ascent
);
2160 x_append_glyph (it
);
2162 /* If characters with lbearing or rbearing are displayed
2163 in this line, record that fact in a flag of the
2164 glyph row. This is used to optimize X output code. */
2165 if (pcm
&& (pcm
->lbearing
< 0 || pcm
->rbearing
> pcm
->width
))
2166 it
->glyph_row
->contains_overlapping_glyphs_p
= 1;
2169 else if (it
->char_to_display
== '\n')
2171 /* A newline has no width but we need the height of the line. */
2172 it
->pixel_width
= 0;
2174 it
->ascent
= it
->phys_ascent
= FONT_BASE (font
) + boff
;
2175 it
->descent
= it
->phys_descent
= FONT_DESCENT (font
) - boff
;
2177 if (face
->box
!= FACE_NO_BOX
2178 && face
->box_line_width
> 0)
2180 it
->ascent
+= face
->box_line_width
;
2181 it
->descent
+= face
->box_line_width
;
2184 else if (it
->char_to_display
== '\t')
2186 int tab_width
= it
->tab_width
* CANON_X_UNIT (it
->f
);
2187 int x
= it
->current_x
+ it
->continuation_lines_width
;
2188 int next_tab_x
= ((1 + x
+ tab_width
- 1) / tab_width
) * tab_width
;
2190 /* If the distance from the current position to the next tab
2191 stop is less than a canonical character width, use the
2192 tab stop after that. */
2193 if (next_tab_x
- x
< CANON_X_UNIT (it
->f
))
2194 next_tab_x
+= tab_width
;
2196 it
->pixel_width
= next_tab_x
- x
;
2198 it
->ascent
= it
->phys_ascent
= FONT_BASE (font
) + boff
;
2199 it
->descent
= it
->phys_descent
= FONT_DESCENT (font
) - boff
;
2203 double ascent
= (double) it
->ascent
/ (it
->ascent
+ it
->descent
);
2204 x_append_stretch_glyph (it
, it
->object
, it
->pixel_width
,
2205 it
->ascent
+ it
->descent
, ascent
);
2210 /* A multi-byte character.
2211 If we found a font, this font should give us the right
2212 metrics. If we didn't find a font, use the frame's
2213 default font and calculate the width of the character
2214 from the charset width; this is what old redisplay code
2216 enum w32_char_font_type type
;
2218 if (font
->bdf
&& CHARSET_DIMENSION (CHAR_CHARSET (it
->c
)) == 1)
2223 type
= UNICODE_FONT
;
2225 pcm
= w32_per_char_metric (font
, &char2b
, type
);
2227 if (font_not_found_p
|| !pcm
)
2229 int charset
= CHAR_CHARSET (it
->char_to_display
);
2231 it
->glyph_not_available_p
= 1;
2232 it
->pixel_width
= (FONT_WIDTH (FRAME_FONT (it
->f
))
2233 * CHARSET_WIDTH (charset
));
2234 it
->phys_ascent
= FONT_BASE (font
) + boff
;
2235 it
->phys_descent
= FONT_DESCENT (font
) - boff
;
2239 it
->pixel_width
= pcm
->width
;
2240 it
->phys_ascent
= pcm
->ascent
+ boff
;
2241 it
->phys_descent
= pcm
->descent
- boff
;
2243 && (pcm
->lbearing
< 0
2244 || pcm
->rbearing
> pcm
->width
))
2245 it
->glyph_row
->contains_overlapping_glyphs_p
= 1;
2248 it
->ascent
= FONT_BASE (font
) + boff
;
2249 it
->descent
= FONT_DESCENT (font
) - boff
;
2250 if (face
->box
!= FACE_NO_BOX
)
2252 int thick
= face
->box_line_width
;
2256 it
->ascent
+= thick
;
2257 it
->descent
+= thick
;
2262 if (it
->start_of_box_run_p
)
2263 it
->pixel_width
+= thick
;
2264 if (it
->end_of_box_run_p
)
2265 it
->pixel_width
+= thick
;
2268 /* If face has an overline, add the height of the overline
2269 (1 pixel) and a 1 pixel margin to the character height. */
2270 if (face
->overline_p
)
2273 take_vertical_position_into_account (it
);
2276 x_append_glyph (it
);
2278 it
->multibyte_p
= saved_multibyte_p
;
2280 else if (it
->what
== IT_COMPOSITION
)
2282 /* Note: A composition is represented as one glyph in the
2283 glyph matrix. There are no padding glyphs. */
2286 struct face
*face
= FACE_FROM_ID (it
->f
, it
->face_id
);
2288 int font_not_found_p
;
2289 struct font_info
*font_info
;
2290 int boff
; /* baseline offset */
2291 struct composition
*cmp
= composition_table
[it
->cmp_id
];
2293 /* Maybe translate single-byte characters to multibyte. */
2294 it
->char_to_display
= it
->c
;
2295 if (unibyte_display_via_language_environment
2296 && SINGLE_BYTE_CHAR_P (it
->c
)
2299 && !NILP (Vnonascii_translation_table
))))
2301 it
->char_to_display
= unibyte_char_to_multibyte (it
->c
);
2304 /* Get face and font to use. Encode IT->char_to_display. */
2305 it
->face_id
= FACE_FOR_CHAR (it
->f
, face
, it
->char_to_display
);
2306 face
= FACE_FROM_ID (it
->f
, it
->face_id
);
2307 x_get_char_face_and_encoding (it
->f
, it
->char_to_display
,
2308 it
->face_id
, &char2b
, it
->multibyte_p
);
2311 /* When no suitable font found, use the default font. */
2312 font_not_found_p
= font
== NULL
;
2313 if (font_not_found_p
)
2315 font
= FRAME_FONT (it
->f
);
2316 boff
= it
->f
->output_data
.w32
->baseline_offset
;
2321 font_info
= FONT_INFO_FROM_ID (it
->f
, face
->font_info_id
);
2322 boff
= font_info
->baseline_offset
;
2323 if (font_info
->vertical_centering
)
2324 boff
= VCENTER_BASELINE_OFFSET (font
, it
->f
) - boff
;
2327 /* There are no padding glyphs, so there is only one glyph to
2328 produce for the composition. Important is that pixel_width,
2329 ascent and descent are the values of what is drawn by
2330 draw_glyphs (i.e. the values of the overall glyphs composed). */
2333 /* If we have not yet calculated pixel size data of glyphs of
2334 the composition for the current face font, calculate them
2335 now. Theoretically, we have to check all fonts for the
2336 glyphs, but that requires much time and memory space. So,
2337 here we check only the font of the first glyph. This leads
2338 to incorrect display very rarely, and C-l (recenter) can
2339 correct the display anyway. */
2340 if (cmp
->font
!= (void *) font
)
2342 /* Ascent and descent of the font of the first character of
2343 this composition (adjusted by baseline offset). Ascent
2344 and descent of overall glyphs should not be less than
2345 them respectively. */
2346 int font_ascent
= FONT_BASE (font
) + boff
;
2347 int font_descent
= FONT_DESCENT (font
) - boff
;
2348 /* Bounding box of the overall glyphs. */
2349 int leftmost
, rightmost
, lowest
, highest
;
2350 int i
, width
, ascent
, descent
;
2351 enum w32_char_font_type font_type
;
2353 cmp
->font
= (void *) font
;
2355 if (font
->bdf
&& CHARSET_DIMENSION (CHAR_CHARSET (it
->c
)) == 1)
2356 font_type
= BDF_1D_FONT
;
2358 font_type
= BDF_2D_FONT
;
2360 font_type
= UNICODE_FONT
;
2362 /* Initialize the bounding box. */
2364 && (pcm
= w32_per_char_metric (font
, &char2b
, font_type
)))
2367 ascent
= pcm
->ascent
;
2368 descent
= pcm
->descent
;
2372 width
= FONT_WIDTH (font
);
2373 ascent
= FONT_BASE (font
);
2374 descent
= FONT_DESCENT (font
);
2378 lowest
= - descent
+ boff
;
2379 highest
= ascent
+ boff
;
2383 && font_info
->default_ascent
2384 && CHAR_TABLE_P (Vuse_default_ascent
)
2385 && !NILP (Faref (Vuse_default_ascent
,
2386 make_number (it
->char_to_display
))))
2387 highest
= font_info
->default_ascent
+ boff
;
2389 /* Draw the first glyph at the normal position. It may be
2390 shifted to right later if some other glyphs are drawn at
2392 cmp
->offsets
[0] = 0;
2393 cmp
->offsets
[1] = boff
;
2395 /* Set cmp->offsets for the remaining glyphs. */
2396 for (i
= 1; i
< cmp
->glyph_len
; i
++)
2398 int left
, right
, btm
, top
;
2399 int ch
= COMPOSITION_GLYPH (cmp
, i
);
2400 int face_id
= FACE_FOR_CHAR (it
->f
, face
, ch
);
2402 face
= FACE_FROM_ID (it
->f
, face_id
);
2403 x_get_char_face_and_encoding (it
->f
, ch
, face
->id
, &char2b
,
2408 font
= FRAME_FONT (it
->f
);
2409 boff
= it
->f
->output_data
.w32
->baseline_offset
;
2415 = FONT_INFO_FROM_ID (it
->f
, face
->font_info_id
);
2416 boff
= font_info
->baseline_offset
;
2417 if (font_info
->vertical_centering
)
2418 boff
= VCENTER_BASELINE_OFFSET (font
, it
->f
) - boff
;
2421 if (font
->bdf
&& CHARSET_DIMENSION (CHAR_CHARSET (ch
)) == 1)
2422 font_type
= BDF_1D_FONT
;
2424 font_type
= BDF_2D_FONT
;
2426 font_type
= UNICODE_FONT
;
2429 && (pcm
= w32_per_char_metric (font
, &char2b
, font_type
)))
2432 ascent
= pcm
->ascent
;
2433 descent
= pcm
->descent
;
2437 width
= FONT_WIDTH (font
);
2442 if (cmp
->method
!= COMPOSITION_WITH_RULE_ALTCHARS
)
2444 /* Relative composition with or without
2446 left
= (leftmost
+ rightmost
- width
) / 2;
2447 btm
= - descent
+ boff
;
2448 if (font_info
&& font_info
->relative_compose
2449 && (! CHAR_TABLE_P (Vignore_relative_composition
)
2450 || NILP (Faref (Vignore_relative_composition
,
2451 make_number (ch
)))))
2454 if (- descent
>= font_info
->relative_compose
)
2455 /* One extra pixel between two glyphs. */
2457 else if (ascent
<= 0)
2458 /* One extra pixel between two glyphs. */
2459 btm
= lowest
- 1 - ascent
- descent
;
2464 /* A composition rule is specified by an integer
2465 value that encodes global and new reference
2466 points (GREF and NREF). GREF and NREF are
2467 specified by numbers as below:
2475 ---3---4---5--- baseline
2477 6---7---8 -- descent
2479 int rule
= COMPOSITION_RULE (cmp
, i
);
2480 int gref
, nref
, grefx
, grefy
, nrefx
, nrefy
;
2482 COMPOSITION_DECODE_RULE (rule
, gref
, nref
);
2483 grefx
= gref
% 3, nrefx
= nref
% 3;
2484 grefy
= gref
/ 3, nrefy
= nref
/ 3;
2487 + grefx
* (rightmost
- leftmost
) / 2
2488 - nrefx
* width
/ 2);
2489 btm
= ((grefy
== 0 ? highest
2491 : grefy
== 2 ? lowest
2492 : (highest
+ lowest
) / 2)
2493 - (nrefy
== 0 ? ascent
+ descent
2494 : nrefy
== 1 ? descent
- boff
2496 : (ascent
+ descent
) / 2));
2499 cmp
->offsets
[i
* 2] = left
;
2500 cmp
->offsets
[i
* 2 + 1] = btm
+ descent
;
2502 /* Update the bounding box of the overall glyphs. */
2503 right
= left
+ width
;
2504 top
= btm
+ descent
+ ascent
;
2505 if (left
< leftmost
)
2507 if (right
> rightmost
)
2515 /* If there are glyphs whose x-offsets are negative,
2516 shift all glyphs to the right and make all x-offsets
2520 for (i
= 0; i
< cmp
->glyph_len
; i
++)
2521 cmp
->offsets
[i
* 2] -= leftmost
;
2522 rightmost
-= leftmost
;
2525 cmp
->pixel_width
= rightmost
;
2526 cmp
->ascent
= highest
;
2527 cmp
->descent
= - lowest
;
2528 if (cmp
->ascent
< font_ascent
)
2529 cmp
->ascent
= font_ascent
;
2530 if (cmp
->descent
< font_descent
)
2531 cmp
->descent
= font_descent
;
2534 it
->pixel_width
= cmp
->pixel_width
;
2535 it
->ascent
= it
->phys_ascent
= cmp
->ascent
;
2536 it
->descent
= it
->phys_descent
= cmp
->descent
;
2538 if (face
->box
!= FACE_NO_BOX
)
2540 int thick
= face
->box_line_width
;
2544 it
->ascent
+= thick
;
2545 it
->descent
+= thick
;
2550 if (it
->start_of_box_run_p
)
2551 it
->pixel_width
+= thick
;
2552 if (it
->end_of_box_run_p
)
2553 it
->pixel_width
+= thick
;
2556 /* If face has an overline, add the height of the overline
2557 (1 pixel) and a 1 pixel margin to the character height. */
2558 if (face
->overline_p
)
2561 take_vertical_position_into_account (it
);
2564 x_append_composite_glyph (it
);
2566 else if (it
->what
== IT_IMAGE
)
2567 x_produce_image_glyph (it
);
2568 else if (it
->what
== IT_STRETCH
)
2569 x_produce_stretch_glyph (it
);
2571 /* Accumulate dimensions. Note: can't assume that it->descent > 0
2572 because this isn't true for images with `:ascent 100'. */
2573 xassert (it
->ascent
>= 0 && it
->descent
>= 0);
2574 if (it
->area
== TEXT_AREA
)
2575 it
->current_x
+= it
->pixel_width
;
2577 it
->descent
+= it
->extra_line_spacing
;
2579 it
->max_ascent
= max (it
->max_ascent
, it
->ascent
);
2580 it
->max_descent
= max (it
->max_descent
, it
->descent
);
2581 it
->max_phys_ascent
= max (it
->max_phys_ascent
, it
->phys_ascent
);
2582 it
->max_phys_descent
= max (it
->max_phys_descent
, it
->phys_descent
);
2586 /* Estimate the pixel height of the mode or top line on frame F.
2587 FACE_ID specifies what line's height to estimate. */
2590 x_estimate_mode_line_height (f
, face_id
)
2592 enum face_id face_id
;
2594 int height
= FONT_HEIGHT (FRAME_FONT (f
));
2596 /* This function is called so early when Emacs starts that the face
2597 cache and mode line face are not yet initialized. */
2598 if (FRAME_FACE_CACHE (f
))
2600 struct face
*face
= FACE_FROM_ID (f
, face_id
);
2604 height
= FONT_HEIGHT (face
->font
);
2605 if (face
->box_line_width
> 0)
2606 height
+= 2 * face
->box_line_width
;
2614 /***********************************************************************
2616 ***********************************************************************/
2618 /* A sequence of glyphs to be drawn in the same face.
2620 This data structure is not really completely X specific, so it
2621 could possibly, at least partially, be useful for other systems. It
2622 is currently not part of the external redisplay interface because
2623 it's not clear what other systems will need. */
2627 /* X-origin of the string. */
2630 /* Y-origin and y-position of the base line of this string. */
2633 /* The width of the string, not including a face extension. */
2636 /* The width of the string, including a face extension. */
2637 int background_width
;
2639 /* The height of this string. This is the height of the line this
2640 string is drawn in, and can be different from the height of the
2641 font the string is drawn in. */
2644 /* Number of pixels this string overwrites in front of its x-origin.
2645 This number is zero if the string has an lbearing >= 0; it is
2646 -lbearing, if the string has an lbearing < 0. */
2649 /* Number of pixels this string overwrites past its right-most
2650 nominal x-position, i.e. x + width. Zero if the string's
2651 rbearing is <= its nominal width, rbearing - width otherwise. */
2654 /* The frame on which the glyph string is drawn. */
2657 /* The window on which the glyph string is drawn. */
2660 /* X display and window for convenience. */
2663 /* The glyph row for which this string was built. It determines the
2664 y-origin and height of the string. */
2665 struct glyph_row
*row
;
2667 /* The area within row. */
2668 enum glyph_row_area area
;
2670 /* Characters to be drawn, and number of characters. */
2674 /* A face-override for drawing cursors, mouse face and similar. */
2675 enum draw_glyphs_face hl
;
2677 /* Face in which this string is to be drawn. */
2680 /* Font in which this string is to be drawn. */
2683 /* Font info for this string. */
2684 struct font_info
*font_info
;
2686 /* Non-null means this string describes (part of) a composition.
2687 All characters from char2b are drawn composed. */
2688 struct composition
*cmp
;
2690 /* Index of this glyph string's first character in the glyph
2691 definition of CMP. If this is zero, this glyph string describes
2692 the first character of a composition. */
2695 /* 1 means this glyph strings face has to be drawn to the right end
2696 of the window's drawing area. */
2697 unsigned extends_to_end_of_line_p
: 1;
2699 /* 1 means the background of this string has been drawn. */
2700 unsigned background_filled_p
: 1;
2702 /* 1 means glyph string must be drawn with 16-bit functions. */
2703 unsigned two_byte_p
: 1;
2705 /* 1 means that the original font determined for drawing this glyph
2706 string could not be loaded. The member `font' has been set to
2707 the frame's default font in this case. */
2708 unsigned font_not_found_p
: 1;
2710 /* 1 means that the face in which this glyph string is drawn has a
2712 unsigned stippled_p
: 1;
2714 /* 1 means only the foreground of this glyph string must be drawn,
2715 and we should use the physical height of the line this glyph
2716 string appears in as clip rect. */
2717 unsigned for_overlaps_p
: 1;
2719 /* The GC to use for drawing this glyph string. */
2724 /* A pointer to the first glyph in the string. This glyph
2725 corresponds to char2b[0]. Needed to draw rectangles if
2726 font_not_found_p is 1. */
2727 struct glyph
*first_glyph
;
2729 /* Image, if any. */
2732 struct glyph_string
*next
, *prev
;
2736 /* Encapsulate the different ways of displaying text under W32. */
2738 void W32_TEXTOUT (s
, x
, y
,chars
,nchars
)
2739 struct glyph_string
* s
;
2744 int charset_dim
= w32_font_is_double_byte (s
->gc
->font
) ? 2 : 1;
2745 if (s
->gc
->font
->bdf
)
2746 w32_BDF_TextOut (s
->gc
->font
->bdf
, s
->hdc
,
2747 x
, y
, (char *) chars
, charset_dim
,
2748 nchars
* charset_dim
, 0);
2749 else if (s
->first_glyph
->w32_font_type
== UNICODE_FONT
)
2750 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
2752 ExtTextOut (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
2753 nchars
* charset_dim
, NULL
);
2759 x_dump_glyph_string (s
)
2760 struct glyph_string
*s
;
2762 fprintf (stderr
, "glyph string\n");
2763 fprintf (stderr
, " x, y, w, h = %d, %d, %d, %d\n",
2764 s
->x
, s
->y
, s
->width
, s
->height
);
2765 fprintf (stderr
, " ybase = %d\n", s
->ybase
);
2766 fprintf (stderr
, " hl = %d\n", s
->hl
);
2767 fprintf (stderr
, " left overhang = %d, right = %d\n",
2768 s
->left_overhang
, s
->right_overhang
);
2769 fprintf (stderr
, " nchars = %d\n", s
->nchars
);
2770 fprintf (stderr
, " extends to end of line = %d\n",
2771 s
->extends_to_end_of_line_p
);
2772 fprintf (stderr
, " font height = %d\n", FONT_HEIGHT (s
->font
));
2773 fprintf (stderr
, " bg width = %d\n", s
->background_width
);
2776 #endif /* GLYPH_DEBUG */
2780 static void x_append_glyph_string_lists
P_ ((struct glyph_string
**,
2781 struct glyph_string
**,
2782 struct glyph_string
*,
2783 struct glyph_string
*));
2784 static void x_prepend_glyph_string_lists
P_ ((struct glyph_string
**,
2785 struct glyph_string
**,
2786 struct glyph_string
*,
2787 struct glyph_string
*));
2788 static void x_append_glyph_string
P_ ((struct glyph_string
**,
2789 struct glyph_string
**,
2790 struct glyph_string
*));
2791 static int x_left_overwritten
P_ ((struct glyph_string
*));
2792 static int x_left_overwriting
P_ ((struct glyph_string
*));
2793 static int x_right_overwritten
P_ ((struct glyph_string
*));
2794 static int x_right_overwriting
P_ ((struct glyph_string
*));
2795 static int x_fill_glyph_string
P_ ((struct glyph_string
*, int, int, int,
2797 static void w32_init_glyph_string
P_ ((struct glyph_string
*, HDC hdc
,
2798 wchar_t *, struct window
*,
2800 enum glyph_row_area
, int,
2801 enum draw_glyphs_face
));
2802 static int x_draw_glyphs
P_ ((struct window
*, int , struct glyph_row
*,
2803 enum glyph_row_area
, int, int,
2804 enum draw_glyphs_face
, int));
2805 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
2806 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
2807 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
2809 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
2810 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
2811 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
2812 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
2813 static void x_compute_glyph_string_overhangs
P_ ((struct glyph_string
*));
2814 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
2815 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
2816 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
2817 static void w32_get_glyph_overhangs
P_ ((HDC hdc
, struct glyph
*,
2820 static void x_compute_overhangs_and_x
P_ ((struct glyph_string
*, int, int));
2821 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
2822 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
2823 double, int, COLORREF
));
2824 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
2825 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
2826 static void x_draw_image_relief
P_ ((struct glyph_string
*));
2827 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
2828 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
2829 static void x_fill_image_glyph_string
P_ ((struct glyph_string
*));
2830 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
2832 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
2833 int, int, int, int, RECT
*));
2834 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
2835 int, int, int, RECT
*));
2836 static void x_fix_overlapping_area
P_ ((struct window
*, struct glyph_row
*,
2837 enum glyph_row_area
));
2838 static int x_fill_stretch_glyph_string
P_ ((struct glyph_string
*,
2840 enum glyph_row_area
, int, int));
2843 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
2847 /* Append the list of glyph strings with head H and tail T to the list
2848 with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */
2851 x_append_glyph_string_lists (head
, tail
, h
, t
)
2852 struct glyph_string
**head
, **tail
;
2853 struct glyph_string
*h
, *t
;
2867 /* Prepend the list of glyph strings with head H and tail T to the
2868 list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the
2872 x_prepend_glyph_string_lists (head
, tail
, h
, t
)
2873 struct glyph_string
**head
, **tail
;
2874 struct glyph_string
*h
, *t
;
2888 /* Append glyph string S to the list with head *HEAD and tail *TAIL.
2889 Set *HEAD and *TAIL to the resulting list. */
2892 x_append_glyph_string (head
, tail
, s
)
2893 struct glyph_string
**head
, **tail
;
2894 struct glyph_string
*s
;
2896 s
->next
= s
->prev
= NULL
;
2897 x_append_glyph_string_lists (head
, tail
, s
, s
);
2901 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
2906 struct glyph_string
*s
;
2908 if (s
->font
== FRAME_FONT (s
->f
)
2909 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
2910 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
2912 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
2915 /* Cursor on non-default face: must merge. */
2919 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
2920 xgcv
.foreground
= s
->face
->background
;
2922 /* If the glyph would be invisible, try a different foreground. */
2923 if (xgcv
.foreground
== xgcv
.background
)
2924 xgcv
.foreground
= s
->face
->foreground
;
2925 if (xgcv
.foreground
== xgcv
.background
)
2926 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
2927 if (xgcv
.foreground
== xgcv
.background
)
2928 xgcv
.foreground
= s
->face
->foreground
;
2930 /* Make sure the cursor is distinct from text in this face. */
2931 if (xgcv
.background
== s
->face
->background
2932 && xgcv
.foreground
== s
->face
->foreground
)
2934 xgcv
.background
= s
->face
->foreground
;
2935 xgcv
.foreground
= s
->face
->background
;
2938 IF_DEBUG (x_check_font (s
->f
, s
->font
));
2939 xgcv
.font
= s
->font
;
2940 mask
= GCForeground
| GCBackground
| GCFont
;
2942 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
2943 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
2946 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
2947 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
2949 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
2954 /* Set up S->gc of glyph string S for drawing text in mouse face. */
2957 x_set_mouse_face_gc (s
)
2958 struct glyph_string
*s
;
2963 /* What face has to be used last for the mouse face? */
2964 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
2965 face
= FACE_FROM_ID (s
->f
, face_id
);
2967 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
2969 if (s
->first_glyph
->type
== CHAR_GLYPH
)
2970 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
2972 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
2973 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
2974 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
2976 /* If font in this face is same as S->font, use it. */
2977 if (s
->font
== s
->face
->font
)
2978 s
->gc
= s
->face
->gc
;
2981 /* Otherwise construct scratch_cursor_gc with values from FACE
2986 xgcv
.background
= s
->face
->background
;
2987 xgcv
.foreground
= s
->face
->foreground
;
2988 IF_DEBUG (x_check_font (s
->f
, s
->font
));
2989 xgcv
.font
= s
->font
;
2990 mask
= GCForeground
| GCBackground
| GCFont
;
2992 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
2993 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
2996 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
2997 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
2999 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
3002 xassert (s
->gc
!= 0);
3006 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
3007 Faces to use in the mode line have already been computed when the
3008 matrix was built, so there isn't much to do, here. */
3011 x_set_mode_line_face_gc (s
)
3012 struct glyph_string
*s
;
3014 s
->gc
= s
->face
->gc
;
3018 /* Set S->gc of glyph string S for drawing that glyph string. Set
3019 S->stippled_p to a non-zero value if the face of S has a stipple
3023 x_set_glyph_string_gc (s
)
3024 struct glyph_string
*s
;
3026 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
3028 if (s
->hl
== DRAW_NORMAL_TEXT
)
3030 s
->gc
= s
->face
->gc
;
3031 s
->stippled_p
= s
->face
->stipple
!= 0;
3033 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
3035 x_set_mode_line_face_gc (s
);
3036 s
->stippled_p
= s
->face
->stipple
!= 0;
3038 else if (s
->hl
== DRAW_CURSOR
)
3040 x_set_cursor_gc (s
);
3043 else if (s
->hl
== DRAW_MOUSE_FACE
)
3045 x_set_mouse_face_gc (s
);
3046 s
->stippled_p
= s
->face
->stipple
!= 0;
3048 else if (s
->hl
== DRAW_IMAGE_RAISED
3049 || s
->hl
== DRAW_IMAGE_SUNKEN
)
3051 s
->gc
= s
->face
->gc
;
3052 s
->stippled_p
= s
->face
->stipple
!= 0;
3056 s
->gc
= s
->face
->gc
;
3057 s
->stippled_p
= s
->face
->stipple
!= 0;
3060 /* GC must have been set. */
3061 xassert (s
->gc
!= 0);
3065 /* Return in *R the clipping rectangle for glyph string S. */
3068 w32_get_glyph_string_clip_rect (s
, r
)
3069 struct glyph_string
*s
;
3072 int r_height
, r_width
;
3074 if (s
->row
->full_width_p
)
3076 /* Draw full-width. X coordinates are relative to S->w->left. */
3077 int canon_x
= CANON_X_UNIT (s
->f
);
3079 r
->left
= WINDOW_LEFT_MARGIN (s
->w
) * canon_x
;
3080 r_width
= XFASTINT (s
->w
->width
) * canon_x
;
3082 if (FRAME_HAS_VERTICAL_SCROLL_BARS (s
->f
))
3084 int width
= FRAME_SCROLL_BAR_WIDTH (s
->f
) * canon_x
;
3085 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s
->f
))
3089 r
->left
+= FRAME_INTERNAL_BORDER_WIDTH (s
->f
);
3091 /* Unless displaying a mode or menu bar line, which are always
3092 fully visible, clip to the visible part of the row. */
3093 if (s
->w
->pseudo_window_p
)
3094 r_height
= s
->row
->visible_height
;
3096 r_height
= s
->height
;
3100 /* This is a text line that may be partially visible. */
3101 r
->left
= WINDOW_AREA_TO_FRAME_PIXEL_X (s
->w
, s
->area
, 0);
3102 r_width
= window_box_width (s
->w
, s
->area
);
3103 r_height
= s
->row
->visible_height
;
3106 /* If S draws overlapping rows, it's sufficient to use the top and
3107 bottom of the window for clipping because this glyph string
3108 intentionally draws over other lines. */
3109 if (s
->for_overlaps_p
)
3111 r
->top
= WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s
->w
);
3112 r_height
= window_text_bottom_y (s
->w
) - r
->top
;
3116 /* Don't use S->y for clipping because it doesn't take partially
3117 visible lines into account. For example, it can be negative for
3118 partially visible lines at the top of a window. */
3119 if (!s
->row
->full_width_p
3120 && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s
->w
, s
->row
))
3121 r
->top
= WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s
->w
);
3123 r
->top
= max (0, s
->row
->y
);
3125 /* If drawing a tool-bar window, draw it over the internal border
3126 at the top of the window. */
3127 if (s
->w
== XWINDOW (s
->f
->tool_bar_window
))
3128 r
->top
-= s
->f
->output_data
.w32
->internal_border_width
;
3131 r
->top
= WINDOW_TO_FRAME_PIXEL_Y (s
->w
, r
->top
);
3133 r
->bottom
= r
->top
+ r_height
;
3134 r
->right
= r
->left
+ r_width
;
3138 /* Set clipping for output of glyph string S. S may be part of a mode
3139 line or menu if we don't have X toolkit support. */
3142 x_set_glyph_string_clipping (s
)
3143 struct glyph_string
*s
;
3146 w32_get_glyph_string_clip_rect (s
, &r
);
3147 w32_set_clip_rectangle (s
->hdc
, &r
);
3151 /* Compute left and right overhang of glyph string S. If S is a glyph
3152 string for a composition, assume overhangs don't exist. */
3155 x_compute_glyph_string_overhangs (s
)
3156 struct glyph_string
*s
;
3158 /* TODO: Windows does not appear to have a method for
3159 getting this info without getting the ABC widths for each
3160 individual character and working it out manually. */
3164 /* Compute overhangs and x-positions for glyph string S and its
3165 predecessors, or successors. X is the starting x-position for S.
3166 BACKWARD_P non-zero means process predecessors. */
3169 x_compute_overhangs_and_x (s
, x
, backward_p
)
3170 struct glyph_string
*s
;
3178 x_compute_glyph_string_overhangs (s
);
3188 x_compute_glyph_string_overhangs (s
);
3197 /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on
3198 frame F. Overhangs of glyphs other than type CHAR_GLYPH are
3199 assumed to be zero. */
3202 w32_get_glyph_overhangs (hdc
, glyph
, f
, left
, right
)
3204 struct glyph
*glyph
;
3210 if (glyph
->type
== CHAR_GLYPH
)
3217 face
= x_get_glyph_face_and_encoding (f
, glyph
, &char2b
, NULL
);
3221 && (pcm
= w32_per_char_metric (font
, &char2b
,
3222 glyph
->w32_font_type
)))
3224 if (pcm
->rbearing
> pcm
->width
)
3225 *right
= pcm
->rbearing
- pcm
->width
;
3226 if (pcm
->lbearing
< 0)
3227 *left
= -pcm
->lbearing
;
3234 x_get_glyph_overhangs (glyph
, f
, left
, right
)
3235 struct glyph
*glyph
;
3239 HDC hdc
= get_frame_dc (f
);
3240 /* Convert to unicode! */
3241 w32_get_glyph_overhangs (hdc
, glyph
, f
, left
, right
);
3242 release_frame_dc (f
, hdc
);
3246 /* Return the index of the first glyph preceding glyph string S that
3247 is overwritten by S because of S's left overhang. Value is -1
3248 if no glyphs are overwritten. */
3251 x_left_overwritten (s
)
3252 struct glyph_string
*s
;
3256 if (s
->left_overhang
)
3259 struct glyph
*glyphs
= s
->row
->glyphs
[s
->area
];
3260 int first
= s
->first_glyph
- glyphs
;
3262 for (i
= first
- 1; i
>= 0 && x
> -s
->left_overhang
; --i
)
3263 x
-= glyphs
[i
].pixel_width
;
3274 /* Return the index of the first glyph preceding glyph string S that
3275 is overwriting S because of its right overhang. Value is -1 if no
3276 glyph in front of S overwrites S. */
3279 x_left_overwriting (s
)
3280 struct glyph_string
*s
;
3283 struct glyph
*glyphs
= s
->row
->glyphs
[s
->area
];
3284 int first
= s
->first_glyph
- glyphs
;
3288 for (i
= first
- 1; i
>= 0; --i
)
3291 w32_get_glyph_overhangs (s
->hdc
, glyphs
+ i
, s
->f
, &left
, &right
);
3294 x
-= glyphs
[i
].pixel_width
;
3301 /* Return the index of the last glyph following glyph string S that is
3302 not overwritten by S because of S's right overhang. Value is -1 if
3303 no such glyph is found. */
3306 x_right_overwritten (s
)
3307 struct glyph_string
*s
;
3311 if (s
->right_overhang
)
3314 struct glyph
*glyphs
= s
->row
->glyphs
[s
->area
];
3315 int first
= (s
->first_glyph
- glyphs
) + (s
->cmp
? 1 : s
->nchars
);
3316 int end
= s
->row
->used
[s
->area
];
3318 for (i
= first
; i
< end
&& s
->right_overhang
> x
; ++i
)
3319 x
+= glyphs
[i
].pixel_width
;
3328 /* Return the index of the last glyph following glyph string S that
3329 overwrites S because of its left overhang. Value is negative
3330 if no such glyph is found. */
3333 x_right_overwriting (s
)
3334 struct glyph_string
*s
;
3337 int end
= s
->row
->used
[s
->area
];
3338 struct glyph
*glyphs
= s
->row
->glyphs
[s
->area
];
3339 int first
= (s
->first_glyph
- glyphs
) + (s
->cmp
? 1 : s
->nchars
);
3343 for (i
= first
; i
< end
; ++i
)
3346 w32_get_glyph_overhangs (s
->hdc
, glyphs
+ i
, s
->f
, &left
, &right
);
3349 x
+= glyphs
[i
].pixel_width
;
3356 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
3359 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
3360 struct glyph_string
*s
;
3368 /* Take clipping into account. */
3369 if (s
->gc
->clip_mask
== Rect
)
3371 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
3372 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
3373 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
3374 - s
->gc
->clip_rectangle
.left
);
3375 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
3376 - s
->gc
->clip_rectangle
.top
);
3379 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
3384 /* Draw the background of glyph_string S. If S->background_filled_p
3385 is non-zero don't draw it. FORCE_P non-zero means draw the
3386 background even if it wouldn't be drawn normally. This is used
3387 when a string preceding S draws into the background of S, or S
3388 contains the first component of a composition. */
3391 x_draw_glyph_string_background (s
, force_p
)
3392 struct glyph_string
*s
;
3395 /* Nothing to do if background has already been drawn or if it
3396 shouldn't be drawn in the first place. */
3397 if (!s
->background_filled_p
)
3399 int box_line_width
= max (s
->face
->box_line_width
, 0);
3401 #if 0 /* TODO: stipple */
3404 /* Fill background with a stipple pattern. */
3405 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
3406 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
3407 s
->y
+ box_line_width
,
3408 s
->background_width
,
3409 s
->height
- 2 * box_line_width
);
3410 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
3411 s
->background_filled_p
= 1;
3415 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
3416 || s
->font_not_found_p
3417 || s
->extends_to_end_of_line_p
3421 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
3422 s
->background_width
,
3423 s
->height
- 2 * box_line_width
);
3424 s
->background_filled_p
= 1;
3430 /* Draw the foreground of glyph string S. */
3433 x_draw_glyph_string_foreground (s
)
3434 struct glyph_string
*s
;
3439 /* If first glyph of S has a left box line, start drawing the text
3440 of S to the right of that box line. */
3441 if (s
->face
->box
!= FACE_NO_BOX
3442 && s
->first_glyph
->left_box_line_p
)
3443 x
= s
->x
+ abs (s
->face
->box_line_width
);
3447 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
3448 SetBkMode (s
->hdc
, TRANSPARENT
);
3450 SetBkMode (s
->hdc
, OPAQUE
);
3452 SetTextColor (s
->hdc
, s
->gc
->foreground
);
3453 SetBkColor (s
->hdc
, s
->gc
->background
);
3454 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
3456 if (s
->font
&& s
->font
->hfont
)
3457 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
3459 /* Draw characters of S as rectangles if S's font could not be
3461 if (s
->font_not_found_p
)
3463 for (i
= 0; i
< s
->nchars
; ++i
)
3465 struct glyph
*g
= s
->first_glyph
+ i
;
3467 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
3469 x
+= g
->pixel_width
;
3474 char *char1b
= (char *) s
->char2b
;
3475 int boff
= s
->font_info
->baseline_offset
;
3477 if (s
->font_info
->vertical_centering
)
3478 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
3480 /* If we can use 8-bit functions, condense S->char2b. */
3482 for (i
= 0; i
< s
->nchars
; ++i
)
3483 char1b
[i
] = BYTE2 (s
->char2b
[i
]);
3485 /* Draw text with TextOut and friends. */
3486 W32_TEXTOUT (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
3488 if (s
->font
&& s
->font
->hfont
)
3489 SelectObject (s
->hdc
, old_font
);
3492 /* Draw the foreground of composite glyph string S. */
3495 x_draw_composite_glyph_string_foreground (s
)
3496 struct glyph_string
*s
;
3501 /* If first glyph of S has a left box line, start drawing the text
3502 of S to the right of that box line. */
3503 if (s
->face
->box
!= FACE_NO_BOX
3504 && s
->first_glyph
->left_box_line_p
)
3505 x
= s
->x
+ abs (s
->face
->box_line_width
);
3509 /* S is a glyph string for a composition. S->gidx is the index of
3510 the first character drawn for glyphs of this composition.
3511 S->gidx == 0 means we are drawing the very first character of
3512 this composition. */
3514 SetTextColor (s
->hdc
, s
->gc
->foreground
);
3515 SetBkColor (s
->hdc
, s
->gc
->background
);
3516 SetBkMode (s
->hdc
, TRANSPARENT
);
3517 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
3519 if (s
->font
&& s
->font
->hfont
)
3520 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
3522 /* Draw a rectangle for the composition if the font for the very
3523 first character of the composition could not be loaded. */
3524 if (s
->font_not_found_p
)
3527 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
3532 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
3533 W32_TEXTOUT (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
3534 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
3537 if (s
->font
&& s
->font
->hfont
)
3538 SelectObject (s
->hdc
, old_font
);
3542 /* Brightness beyond which a color won't have its highlight brightness
3545 Nominally, highlight colors for `3d' faces are calculated by
3546 brightening an object's color by a constant scale factor, but this
3547 doesn't yield good results for dark colors, so for colors who's
3548 brightness is less than this value (on a scale of 0-255) have to
3549 use an additional additive factor.
3551 The value here is set so that the default menu-bar/mode-line color
3552 (grey75) will not have its highlights changed at all. */
3553 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
3556 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
3557 or DELTA. Try a color with RGB values multiplied by FACTOR first.
3558 If this produces the same color as COLOR, try a color where all RGB
3559 values have DELTA added. Return the allocated color in *COLOR.
3560 DISPLAY is the X display, CMAP is the colormap to operate on.
3561 Value is non-zero if successful. */
3564 w32_alloc_lighter_color (f
, color
, factor
, delta
)
3573 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
3576 /* Change RGB values by specified FACTOR. Avoid overflow! */
3577 xassert (factor
>= 0);
3578 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
3579 min (0xff, factor
* GetGValue (*color
)),
3580 min (0xff, factor
* GetBValue (*color
)));
3582 /* Calculate brightness of COLOR. */
3583 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
3584 + GetBValue (*color
)) / 6;
3586 /* We only boost colors that are darker than
3587 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
3588 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
3589 /* Make an additive adjustment to NEW, because it's dark enough so
3590 that scaling by FACTOR alone isn't enough. */
3592 /* How far below the limit this color is (0 - 1, 1 being darker). */
3593 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
3594 /* The additive adjustment. */
3595 int min_delta
= delta
* dimness
* factor
/ 2;
3598 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
3599 max (0, min (0xff, min_delta
- GetGValue (*color
))),
3600 max (0, min (0xff, min_delta
- GetBValue (*color
))));
3602 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
3603 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
3604 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
3608 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
3609 max (0, min (0xff, delta
+ GetGValue (*color
))),
3610 max (0, min (0xff, delta
+ GetBValue (*color
))));
3612 /* TODO: Map to palette and retry with delta if same? */
3613 /* TODO: Free colors (if using palette)? */
3624 /* Set up the foreground color for drawing relief lines of glyph
3625 string S. RELIEF is a pointer to a struct relief containing the GC
3626 with which lines will be drawn. Use a color that is FACTOR or
3627 DELTA lighter or darker than the relief's background which is found
3628 in S->f->output_data.x->relief_background. If such a color cannot
3629 be allocated, use DEFAULT_PIXEL, instead. */
3632 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
3634 struct relief
*relief
;
3637 COLORREF default_pixel
;
3640 struct w32_output
*di
= f
->output_data
.w32
;
3641 unsigned long mask
= GCForeground
;
3643 COLORREF background
= di
->relief_background
;
3644 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
3646 /* TODO: Free colors (if using palette)? */
3648 /* Allocate new color. */
3649 xgcv
.foreground
= default_pixel
;
3651 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
3653 relief
->allocated_p
= 1;
3654 xgcv
.foreground
= relief
->pixel
= pixel
;
3657 if (relief
->gc
== 0)
3659 #if 0 /* TODO: stipple */
3660 xgcv
.stipple
= dpyinfo
->gray
;
3663 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
3666 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
3670 /* Set up colors for the relief lines around glyph string S. */
3673 x_setup_relief_colors (s
)
3674 struct glyph_string
*s
;
3676 struct w32_output
*di
= s
->f
->output_data
.w32
;
3679 if (s
->face
->use_box_color_for_shadows_p
)
3680 color
= s
->face
->box_color
;
3681 else if (s
->first_glyph
->type
== IMAGE_GLYPH
3683 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
3684 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
3686 color
= s
->gc
->background
;
3688 if (di
->white_relief
.gc
== 0
3689 || color
!= di
->relief_background
)
3691 di
->relief_background
= color
;
3692 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
3693 WHITE_PIX_DEFAULT (s
->f
));
3694 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
3695 BLACK_PIX_DEFAULT (s
->f
));
3700 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
3701 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
3702 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
3703 relief. LEFT_P non-zero means draw a relief on the left side of
3704 the rectangle. RIGHT_P non-zero means draw a relief on the right
3705 side of the rectangle. CLIP_RECT is the clipping rectangle to use
3709 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
3710 raised_p
, left_p
, right_p
, clip_rect
)
3712 int left_x
, top_y
, right_x
, bottom_y
, left_p
, right_p
, raised_p
;
3717 HDC hdc
= get_frame_dc (f
);
3720 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
3722 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
3724 w32_set_clip_rectangle (hdc
, clip_rect
);
3727 for (i
= 0; i
< width
; ++i
)
3728 w32_fill_area (f
, hdc
, gc
.foreground
,
3729 left_x
+ i
* left_p
, top_y
+ i
,
3730 (right_x
+ 1 - i
* right_p
) - (left_x
+ i
* left_p
) + 1, 1);
3734 for (i
= 0; i
< width
; ++i
)
3735 w32_fill_area (f
, hdc
, gc
.foreground
,
3736 left_x
+ i
, top_y
+ i
, 1,
3737 (bottom_y
- i
) - (top_y
+ i
) + 2);
3740 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
3742 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
3745 for (i
= 0; i
< width
; ++i
)
3746 w32_fill_area (f
, hdc
, gc
.foreground
,
3747 left_x
+ i
* left_p
, bottom_y
- i
,
3748 (right_x
- i
* right_p
) - (left_x
+ i
* left_p
) + 2, 1);
3752 for (i
= 0; i
< width
; ++i
)
3753 w32_fill_area (f
, hdc
, gc
.foreground
,
3754 right_x
- i
, top_y
+ i
+ 1, 1,
3755 (bottom_y
- i
) - (top_y
+ i
));
3757 w32_set_clip_rectangle (hdc
, NULL
);
3759 release_frame_dc (f
, hdc
);
3763 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
3764 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
3765 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
3766 left side of the rectangle. RIGHT_P non-zero means draw a line
3767 on the right side of the rectangle. CLIP_RECT is the clipping
3768 rectangle to use when drawing. */
3771 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
3772 left_p
, right_p
, clip_rect
)
3773 struct glyph_string
*s
;
3774 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
3777 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
3780 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
3781 left_x
, top_y
, right_x
- left_x
+ 1, width
);
3786 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
3787 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
3791 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
3792 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
3797 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
3798 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
3801 w32_set_clip_rectangle (s
->hdc
, NULL
);
3805 /* Draw a box around glyph string S. */
3808 x_draw_glyph_string_box (s
)
3809 struct glyph_string
*s
;
3811 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
3812 int left_p
, right_p
;
3813 struct glyph
*last_glyph
;
3816 last_x
= window_box_right (s
->w
, s
->area
);
3817 if (s
->row
->full_width_p
3818 && !s
->w
->pseudo_window_p
)
3820 last_x
+= FRAME_X_RIGHT_FRINGE_WIDTH (s
->f
);
3821 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s
->f
))
3822 last_x
+= FRAME_SCROLL_BAR_WIDTH (s
->f
) * CANON_X_UNIT (s
->f
);
3825 /* The glyph that may have a right box line. */
3826 last_glyph
= (s
->cmp
|| s
->img
3828 : s
->first_glyph
+ s
->nchars
- 1);
3830 width
= abs (s
->face
->box_line_width
);
3831 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
3833 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
3835 : min (last_x
, s
->x
+ s
->background_width
) - 1));
3837 bottom_y
= top_y
+ s
->height
- 1;
3839 left_p
= (s
->first_glyph
->left_box_line_p
3840 || (s
->hl
== DRAW_MOUSE_FACE
3842 || s
->prev
->hl
!= s
->hl
)));
3843 right_p
= (last_glyph
->right_box_line_p
3844 || (s
->hl
== DRAW_MOUSE_FACE
3846 || s
->next
->hl
!= s
->hl
)));
3848 w32_get_glyph_string_clip_rect (s
, &clip_rect
);
3850 if (s
->face
->box
== FACE_SIMPLE_BOX
)
3851 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
3852 left_p
, right_p
, &clip_rect
);
3855 x_setup_relief_colors (s
);
3856 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
3857 width
, raised_p
, left_p
, right_p
, &clip_rect
);
3862 /* Draw foreground of image glyph string S. */
3865 x_draw_image_foreground (s
)
3866 struct glyph_string
*s
;
3869 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
3871 /* If first glyph of S has a left box line, start drawing it to the
3872 right of that line. */
3873 if (s
->face
->box
!= FACE_NO_BOX
3874 && s
->first_glyph
->left_box_line_p
)
3875 x
= s
->x
+ abs (s
->face
->box_line_width
);
3879 /* If there is a margin around the image, adjust x- and y-position
3881 x
+= s
->img
->hmargin
;
3882 y
+= s
->img
->vmargin
;
3888 #if 0 /* TODO: image mask */
3891 /* We can't set both a clip mask and use XSetClipRectangles
3892 because the latter also sets a clip mask. We also can't
3893 trust on the shape extension to be available
3894 (XShapeCombineRegion). So, compute the rectangle to draw
3896 unsigned long mask
= (GCClipMask
| GCClipXOrigin
| GCClipYOrigin
3899 XRectangle clip_rect
, image_rect
, r
;
3901 xgcv
.clip_mask
= s
->img
->mask
;
3902 xgcv
.clip_x_origin
= x
;
3903 xgcv
.clip_y_origin
= y
;
3904 xgcv
.function
= GXcopy
;
3905 XChangeGC (s
->display
, s
->gc
, mask
, &xgcv
);
3907 w32_get_glyph_string_clip_rect (s
, &clip_rect
);
3910 image_rect
.width
= s
->img
->width
;
3911 image_rect
.height
= s
->img
->height
;
3912 if (IntersectRect (&r
, &clip_rect
, &image_rect
))
3913 XCopyArea (s
->display
, s
->img
->pixmap
, s
->window
, s
->gc
,
3914 r
.x
- x
, r
.y
- y
, r
.width
, r
.height
, r
.x
, r
.y
);
3919 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
3920 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
3921 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
3922 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
3923 x_set_glyph_string_clipping (s
);
3925 SetTextColor (s
->hdc
, s
->gc
->foreground
);
3926 SetBkColor (s
->hdc
, s
->gc
->background
);
3927 #if 0 /* From w32bdf.c (which is from Meadow). */
3928 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
3929 compat_hdc
, 0, 0, SRCCOPY
);
3930 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
3931 compat_hdc
, 0, 0, 0xB8074A);
3933 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
3934 compat_hdc
, 0, 0, 0xE20746);
3936 SelectObject (s
->hdc
, orig_brush
);
3937 DeleteObject (fg_brush
);
3938 SelectObject (compat_hdc
, orig_obj
);
3939 DeleteDC (compat_hdc
);
3941 /* When the image has a mask, we can expect that at
3942 least part of a mouse highlight or a block cursor will
3943 be visible. If the image doesn't have a mask, make
3944 a block cursor visible by drawing a rectangle around
3945 the image. I believe it's looking better if we do
3946 nothing here for mouse-face. */
3947 if (s
->hl
== DRAW_CURSOR
)
3948 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
3949 s
->img
->height
- 1);
3950 w32_set_clip_rectangle (s
->hdc
, NULL
);
3954 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
3955 s
->img
->height
- 1);
3957 RestoreDC (s
->hdc
,-1);
3962 /* Draw a relief around the image glyph string S. */
3965 x_draw_image_relief (s
)
3966 struct glyph_string
*s
;
3968 int x0
, y0
, x1
, y1
, thick
, raised_p
;
3971 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
3973 /* If first glyph of S has a left box line, start drawing it to the
3974 right of that line. */
3975 if (s
->face
->box
!= FACE_NO_BOX
3976 && s
->first_glyph
->left_box_line_p
)
3977 x
= s
->x
+ abs (s
->face
->box_line_width
);
3981 /* If there is a margin around the image, adjust x- and y-position
3983 x
+= s
->img
->hmargin
;
3984 y
+= s
->img
->vmargin
;
3986 if (s
->hl
== DRAW_IMAGE_SUNKEN
3987 || s
->hl
== DRAW_IMAGE_RAISED
)
3989 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
3990 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
3994 thick
= abs (s
->img
->relief
);
3995 raised_p
= s
->img
->relief
> 0;
4000 x1
= x
+ s
->img
->width
+ thick
- 1;
4001 y1
= y
+ s
->img
->height
+ thick
- 1;
4003 x_setup_relief_colors (s
);
4004 w32_get_glyph_string_clip_rect (s
, &r
);
4005 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
4009 /* Draw the foreground of image glyph string S to PIXMAP. */
4012 w32_draw_image_foreground_1 (s
, pixmap
)
4013 struct glyph_string
*s
;
4016 HDC hdc
= CreateCompatibleDC (s
->hdc
);
4017 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
4019 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
4021 /* If first glyph of S has a left box line, start drawing it to the
4022 right of that line. */
4023 if (s
->face
->box
!= FACE_NO_BOX
4024 && s
->first_glyph
->left_box_line_p
)
4025 x
= abs (s
->face
->box_line_width
);
4029 /* If there is a margin around the image, adjust x- and y-position
4031 x
+= s
->img
->hmargin
;
4032 y
+= s
->img
->vmargin
;
4036 #if 0 /* TODO: image mask */
4039 /* We can't set both a clip mask and use XSetClipRectangles
4040 because the latter also sets a clip mask. We also can't
4041 trust on the shape extension to be available
4042 (XShapeCombineRegion). So, compute the rectangle to draw
4044 unsigned long mask
= (GCClipMask
| GCClipXOrigin
| GCClipYOrigin
4048 xgcv
.clip_mask
= s
->img
->mask
;
4049 xgcv
.clip_x_origin
= x
;
4050 xgcv
.clip_y_origin
= y
;
4051 xgcv
.function
= GXcopy
;
4052 XChangeGC (s
->display
, s
->gc
, mask
, &xgcv
);
4054 XCopyArea (s
->display
, s
->img
->pixmap
, pixmap
, s
->gc
,
4055 0, 0, s
->img
->width
, s
->img
->height
, x
, y
);
4056 XSetClipMask (s
->display
, s
->gc
, None
);
4061 HDC compat_hdc
= CreateCompatibleDC (hdc
);
4062 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
4063 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
4064 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
4066 SetTextColor (hdc
, s
->gc
->foreground
);
4067 SetBkColor (hdc
, s
->gc
->background
);
4068 #if 0 /* From w32bdf.c (which is from Meadow). */
4069 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
4070 compat_hdc
, 0, 0, SRCCOPY
);
4071 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
4072 compat_hdc
, 0, 0, 0xB8074A);
4074 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
4075 compat_hdc
, 0, 0, 0xE20746);
4077 SelectObject (hdc
, orig_brush
);
4078 DeleteObject (fg_brush
);
4079 SelectObject (compat_hdc
, orig_obj
);
4080 DeleteDC (compat_hdc
);
4082 /* When the image has a mask, we can expect that at
4083 least part of a mouse highlight or a block cursor will
4084 be visible. If the image doesn't have a mask, make
4085 a block cursor visible by drawing a rectangle around
4086 the image. I believe it's looking better if we do
4087 nothing here for mouse-face. */
4088 if (s
->hl
== DRAW_CURSOR
)
4089 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
4090 s
->img
->height
- 1);
4094 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
4095 s
->img
->height
- 1);
4097 SelectObject (hdc
, orig_hdc_obj
);
4102 /* Draw part of the background of glyph string S. X, Y, W, and H
4103 give the rectangle to draw. */
4106 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
4107 struct glyph_string
*s
;
4110 #if 0 /* TODO: stipple */
4113 /* Fill background with a stipple pattern. */
4114 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
4115 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
4116 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
4120 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
4124 /* Draw image glyph string S.
4127 s->x +-------------------------
4130 | +-------------------------
4133 | | +-------------------
4139 x_draw_image_glyph_string (s
)
4140 struct glyph_string
*s
;
4143 int box_line_hwidth
= abs (s
->face
->box_line_width
);
4144 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
4148 height
= s
->height
- 2 * box_line_vwidth
;
4150 /* Fill background with face under the image. Do it only if row is
4151 taller than image or if image has a clip mask to reduce
4153 s
->stippled_p
= s
->face
->stipple
!= 0;
4154 if (height
> s
->img
->height
4157 #if 0 /* TODO: image mask */
4160 || s
->img
->pixmap
== 0
4161 || s
->width
!= s
->background_width
)
4163 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
4164 x
= s
->x
+ box_line_hwidth
;
4168 y
= s
->y
+ box_line_vwidth
;
4169 #if 0 /* TODO: image mask */
4172 /* Create a pixmap as large as the glyph string. Fill it
4173 with the background color. Copy the image to it, using
4174 its mask. Copy the temporary pixmap to the display. */
4175 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
4176 int depth
= DefaultDepthOfScreen (screen
);
4178 /* Create a pixmap as large as the glyph string. */
4179 pixmap
= XCreatePixmap (s
->display
, s
->window
,
4180 s
->background_width
,
4183 /* Don't clip in the following because we're working on the
4185 XSetClipMask (s
->display
, s
->gc
, None
);
4187 /* Fill the pixmap with the background color/stipple. */
4190 /* Fill background with a stipple pattern. */
4191 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
4192 XFillRectangle (s
->display
, pixmap
, s
->gc
,
4193 0, 0, s
->background_width
, s
->height
);
4194 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
4199 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
4201 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
4202 XFillRectangle (s
->display
, pixmap
, s
->gc
,
4203 0, 0, s
->background_width
, s
->height
);
4204 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
4209 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
4211 s
->background_filled_p
= 1;
4214 /* Draw the foreground. */
4217 w32_draw_image_foreground_1 (s
, pixmap
);
4218 x_set_glyph_string_clipping (s
);
4220 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
4221 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
4222 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
4223 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
4225 SetTextColor (s
->hdc
, s
->gc
->foreground
);
4226 SetBkColor (s
->hdc
, s
->gc
->background
);
4227 #if 0 /* From w32bdf.c (which is from Meadow). */
4228 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
4229 compat_hdc
, 0, 0, SRCCOPY
);
4230 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
4231 compat_hdc
, 0, 0, 0xB8074A);
4233 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
4234 compat_hdc
, 0, 0, 0xE20746);
4236 SelectObject (s
->hdc
, orig_brush
);
4237 DeleteObject (fg_brush
);
4238 SelectObject (compat_hdc
, orig_obj
);
4239 DeleteDC (compat_hdc
);
4241 DeleteObject (pixmap
);
4245 x_draw_image_foreground (s
);
4247 /* If we must draw a relief around the image, do it. */
4249 || s
->hl
== DRAW_IMAGE_RAISED
4250 || s
->hl
== DRAW_IMAGE_SUNKEN
)
4251 x_draw_image_relief (s
);
4255 /* Draw stretch glyph string S. */
4258 x_draw_stretch_glyph_string (s
)
4259 struct glyph_string
*s
;
4261 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
4262 s
->stippled_p
= s
->face
->stipple
!= 0;
4264 if (s
->hl
== DRAW_CURSOR
4265 && !x_stretch_cursor_p
)
4267 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
4268 as wide as the stretch glyph. */
4269 int width
= min (CANON_X_UNIT (s
->f
), s
->background_width
);
4272 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
4274 /* Clear rest using the GC of the original non-cursor face. */
4275 if (width
< s
->background_width
)
4277 XGCValues
*gc
= s
->face
->gc
;
4278 int x
= s
->x
+ width
, y
= s
->y
;
4279 int w
= s
->background_width
- width
, h
= s
->height
;
4283 if (s
->row
->mouse_face_p
4284 && cursor_in_mouse_face_p (s
->w
))
4286 x_set_mouse_face_gc (s
);
4292 w32_get_glyph_string_clip_rect (s
, &r
);
4293 w32_set_clip_rectangle (hdc
, &r
);
4295 #if 0 /* TODO: stipple */
4296 if (s
->face
->stipple
)
4298 /* Fill background with a stipple pattern. */
4299 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
4300 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
4301 XSetFillStyle (s
->display
, gc
, FillSolid
);
4306 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
4310 else if (!s
->background_filled_p
)
4311 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
4314 s
->background_filled_p
= 1;
4318 /* Draw glyph string S. */
4321 x_draw_glyph_string (s
)
4322 struct glyph_string
*s
;
4324 int relief_drawn_p
= 0;
4326 /* If S draws into the background of its successor, draw the
4327 background of the successor first so that S can draw into it.
4328 This makes S->next use XDrawString instead of XDrawImageString. */
4329 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
4331 xassert (s
->next
->img
== NULL
);
4332 x_set_glyph_string_gc (s
->next
);
4333 x_set_glyph_string_clipping (s
->next
);
4334 x_draw_glyph_string_background (s
->next
, 1);
4337 /* Set up S->gc, set clipping and draw S. */
4338 x_set_glyph_string_gc (s
);
4340 /* Draw relief (if any) in advance for char/composition so that the
4341 glyph string can be drawn over it. */
4342 if (!s
->for_overlaps_p
4343 && s
->face
->box
!= FACE_NO_BOX
4344 && (s
->first_glyph
->type
== CHAR_GLYPH
4345 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
4348 x_set_glyph_string_clipping (s
);
4349 x_draw_glyph_string_background (s
, 1);
4350 x_draw_glyph_string_box (s
);
4351 x_set_glyph_string_clipping (s
);
4355 x_set_glyph_string_clipping (s
);
4357 switch (s
->first_glyph
->type
)
4360 x_draw_image_glyph_string (s
);
4364 x_draw_stretch_glyph_string (s
);
4368 if (s
->for_overlaps_p
)
4369 s
->background_filled_p
= 1;
4371 x_draw_glyph_string_background (s
, 0);
4372 x_draw_glyph_string_foreground (s
);
4375 case COMPOSITE_GLYPH
:
4376 if (s
->for_overlaps_p
|| s
->gidx
> 0)
4377 s
->background_filled_p
= 1;
4379 x_draw_glyph_string_background (s
, 1);
4380 x_draw_composite_glyph_string_foreground (s
);
4387 if (!s
->for_overlaps_p
)
4389 /* Draw underline. */
4390 if (s
->face
->underline_p
4391 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
4393 unsigned long h
= 1;
4394 unsigned long dy
= s
->height
- h
;
4396 /* TODO: Use font information for positioning and thickness
4397 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
4398 if (s
->face
->underline_defaulted_p
)
4400 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
4401 s
->y
+ dy
, s
->width
, 1);
4405 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
4406 s
->y
+ dy
, s
->width
, 1);
4410 /* Draw overline. */
4411 if (s
->face
->overline_p
)
4413 unsigned long dy
= 0, h
= 1;
4415 if (s
->face
->overline_color_defaulted_p
)
4417 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
4418 s
->y
+ dy
, s
->width
, h
);
4422 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
4423 s
->y
+ dy
, s
->width
, h
);
4427 /* Draw strike-through. */
4428 if (s
->face
->strike_through_p
4429 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
4431 unsigned long h
= 1;
4432 unsigned long dy
= (s
->height
- h
) / 2;
4434 if (s
->face
->strike_through_color_defaulted_p
)
4436 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
4441 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
4442 s
->y
+ dy
, s
->width
, h
);
4447 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
4448 x_draw_glyph_string_box (s
);
4451 /* Reset clipping. */
4452 w32_set_clip_rectangle (s
->hdc
, NULL
);
4456 static int x_fill_composite_glyph_string
P_ ((struct glyph_string
*,
4457 struct face
**, int));
4460 /* Fill glyph string S with composition components specified by S->cmp.
4462 FACES is an array of faces for all components of this composition.
4463 S->gidx is the index of the first component for S.
4464 OVERLAPS_P non-zero means S should draw the foreground only, and
4465 use its physical height for clipping.
4467 Value is the index of a component not in S. */
4470 x_fill_composite_glyph_string (s
, faces
, overlaps_p
)
4471 struct glyph_string
*s
;
4472 struct face
**faces
;
4479 s
->for_overlaps_p
= overlaps_p
;
4481 s
->face
= faces
[s
->gidx
];
4482 s
->font
= s
->face
->font
;
4483 s
->font_info
= FONT_INFO_FROM_ID (s
->f
, s
->face
->font_info_id
);
4485 /* For all glyphs of this composition, starting at the offset
4486 S->gidx, until we reach the end of the definition or encounter a
4487 glyph that requires the different face, add it to S. */
4489 for (i
= s
->gidx
+ 1; i
< s
->cmp
->glyph_len
&& faces
[i
] == s
->face
; ++i
)
4492 /* All glyph strings for the same composition has the same width,
4493 i.e. the width set for the first component of the composition. */
4495 s
->width
= s
->first_glyph
->pixel_width
;
4497 /* If the specified font could not be loaded, use the frame's
4498 default font, but record the fact that we couldn't load it in
4499 the glyph string so that we can draw rectangles for the
4500 characters of the glyph string. */
4501 if (s
->font
== NULL
)
4503 s
->font_not_found_p
= 1;
4504 s
->font
= FRAME_FONT (s
->f
);
4507 /* Adjust base line for subscript/superscript text. */
4508 s
->ybase
+= s
->first_glyph
->voffset
;
4510 xassert (s
->face
&& s
->face
->gc
);
4512 /* This glyph string must always be drawn with 16-bit functions. */
4515 return s
->gidx
+ s
->nchars
;
4519 /* Fill glyph string S from a sequence of character glyphs.
4521 FACE_ID is the face id of the string. START is the index of the
4522 first glyph to consider, END is the index of the last + 1.
4523 OVERLAPS_P non-zero means S should draw the foreground only, and
4524 use its physical height for clipping.
4526 Value is the index of the first glyph not in S. */
4529 x_fill_glyph_string (s
, face_id
, start
, end
, overlaps_p
)
4530 struct glyph_string
*s
;
4532 int start
, end
, overlaps_p
;
4534 struct glyph
*glyph
, *last
;
4536 int glyph_not_available_p
;
4538 xassert (s
->f
== XFRAME (s
->w
->frame
));
4539 xassert (s
->nchars
== 0);
4540 xassert (start
>= 0 && end
> start
);
4542 s
->for_overlaps_p
= overlaps_p
;
4543 glyph
= s
->row
->glyphs
[s
->area
] + start
;
4544 last
= s
->row
->glyphs
[s
->area
] + end
;
4545 voffset
= glyph
->voffset
;
4547 glyph_not_available_p
= glyph
->glyph_not_available_p
;
4550 && glyph
->type
== CHAR_GLYPH
4551 && glyph
->voffset
== voffset
4552 /* Same face id implies same font, nowadays. */
4553 && glyph
->face_id
== face_id
4554 && glyph
->glyph_not_available_p
== glyph_not_available_p
)
4558 s
->face
= x_get_glyph_face_and_encoding (s
->f
, glyph
,
4559 s
->char2b
+ s
->nchars
,
4561 s
->two_byte_p
= two_byte_p
;
4563 xassert (s
->nchars
<= end
- start
);
4564 s
->width
+= glyph
->pixel_width
;
4568 s
->font
= s
->face
->font
;
4569 s
->font_info
= FONT_INFO_FROM_ID (s
->f
, s
->face
->font_info_id
);
4571 /* If the specified font could not be loaded, use the frame's font,
4572 but record the fact that we couldn't load it in
4573 S->font_not_found_p so that we can draw rectangles for the
4574 characters of the glyph string. */
4575 if (s
->font
== NULL
|| glyph_not_available_p
)
4577 s
->font_not_found_p
= 1;
4578 s
->font
= FRAME_FONT (s
->f
);
4581 /* Adjust base line for subscript/superscript text. */
4582 s
->ybase
+= voffset
;
4584 xassert (s
->face
&& s
->face
->gc
);
4585 return glyph
- s
->row
->glyphs
[s
->area
];
4589 /* Fill glyph string S from image glyph S->first_glyph. */
4592 x_fill_image_glyph_string (s
)
4593 struct glyph_string
*s
;
4595 xassert (s
->first_glyph
->type
== IMAGE_GLYPH
);
4596 s
->img
= IMAGE_FROM_ID (s
->f
, s
->first_glyph
->u
.img_id
);
4598 s
->face
= FACE_FROM_ID (s
->f
, s
->first_glyph
->face_id
);
4599 s
->font
= s
->face
->font
;
4600 s
->width
= s
->first_glyph
->pixel_width
;
4602 /* Adjust base line for subscript/superscript text. */
4603 s
->ybase
+= s
->first_glyph
->voffset
;
4607 /* Fill glyph string S from a sequence of stretch glyphs.
4609 ROW is the glyph row in which the glyphs are found, AREA is the
4610 area within the row. START is the index of the first glyph to
4611 consider, END is the index of the last + 1.
4613 Value is the index of the first glyph not in S. */
4616 x_fill_stretch_glyph_string (s
, row
, area
, start
, end
)
4617 struct glyph_string
*s
;
4618 struct glyph_row
*row
;
4619 enum glyph_row_area area
;
4622 struct glyph
*glyph
, *last
;
4623 int voffset
, face_id
;
4625 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
4627 glyph
= s
->row
->glyphs
[s
->area
] + start
;
4628 last
= s
->row
->glyphs
[s
->area
] + end
;
4629 face_id
= glyph
->face_id
;
4630 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
4631 s
->font
= s
->face
->font
;
4632 s
->font_info
= FONT_INFO_FROM_ID (s
->f
, s
->face
->font_info_id
);
4633 s
->width
= glyph
->pixel_width
;
4634 voffset
= glyph
->voffset
;
4638 && glyph
->type
== STRETCH_GLYPH
4639 && glyph
->voffset
== voffset
4640 && glyph
->face_id
== face_id
);
4642 s
->width
+= glyph
->pixel_width
;
4644 /* Adjust base line for subscript/superscript text. */
4645 s
->ybase
+= voffset
;
4648 return glyph
- s
->row
->glyphs
[s
->area
];
4652 /* Initialize glyph string S. CHAR2B is a suitably allocated vector
4653 of XChar2b structures for S; it can't be allocated in
4654 x_init_glyph_string because it must be allocated via `alloca'. W
4655 is the window on which S is drawn. ROW and AREA are the glyph row
4656 and area within the row from which S is constructed. START is the
4657 index of the first glyph structure covered by S. HL is a
4658 face-override for drawing S. */
4661 w32_init_glyph_string (s
, hdc
, char2b
, w
, row
, area
, start
, hl
)
4662 struct glyph_string
*s
;
4666 struct glyph_row
*row
;
4667 enum glyph_row_area area
;
4669 enum draw_glyphs_face hl
;
4671 bzero (s
, sizeof *s
);
4673 s
->f
= XFRAME (w
->frame
);
4675 s
->window
= FRAME_W32_WINDOW (s
->f
);
4680 s
->first_glyph
= row
->glyphs
[area
] + start
;
4681 s
->height
= row
->height
;
4682 s
->y
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4684 /* Display the internal border below the tool-bar window. */
4685 if (s
->w
== XWINDOW (s
->f
->tool_bar_window
))
4686 s
->y
-= s
->f
->output_data
.w32
->internal_border_width
;
4688 s
->ybase
= s
->y
+ row
->ascent
;
4692 /* Set background width of glyph string S. START is the index of the
4693 first glyph following S. LAST_X is the right-most x-position + 1
4694 in the drawing area. */
4697 x_set_glyph_string_background_width (s
, start
, last_x
)
4698 struct glyph_string
*s
;
4702 /* If the face of this glyph string has to be drawn to the end of
4703 the drawing area, set S->extends_to_end_of_line_p. */
4704 struct face
*default_face
= FACE_FROM_ID (s
->f
, DEFAULT_FACE_ID
);
4706 if (start
== s
->row
->used
[s
->area
]
4707 && s
->area
== TEXT_AREA
4708 && ((s
->hl
== DRAW_NORMAL_TEXT
4709 && (s
->row
->fill_line_p
4710 || s
->face
->background
!= default_face
->background
4711 || s
->face
->stipple
!= default_face
->stipple
4712 || s
->row
->mouse_face_p
))
4713 || s
->hl
== DRAW_MOUSE_FACE
4714 || ((s
->hl
== DRAW_IMAGE_RAISED
|| s
->hl
== DRAW_IMAGE_SUNKEN
)
4715 && s
->row
->fill_line_p
)))
4716 s
->extends_to_end_of_line_p
= 1;
4718 /* If S extends its face to the end of the line, set its
4719 background_width to the distance to the right edge of the drawing
4721 if (s
->extends_to_end_of_line_p
)
4722 s
->background_width
= last_x
- s
->x
+ 1;
4724 s
->background_width
= s
->width
;
4728 /* Add a glyph string for a stretch glyph to the list of strings
4729 between HEAD and TAIL. START is the index of the stretch glyph in
4730 row area AREA of glyph row ROW. END is the index of the last glyph
4731 in that glyph row area. X is the current output position assigned
4732 to the new glyph string constructed. HL overrides that face of the
4733 glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X
4734 is the right-most x-position of the drawing area. */
4736 #define BUILD_STRETCH_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \
4739 s = (struct glyph_string *) alloca (sizeof *s); \
4740 w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \
4741 START = x_fill_stretch_glyph_string (s, ROW, AREA, START, END); \
4742 x_append_glyph_string (&HEAD, &TAIL, s); \
4748 /* Add a glyph string for an image glyph to the list of strings
4749 between HEAD and TAIL. START is the index of the image glyph in
4750 row area AREA of glyph row ROW. END is the index of the last glyph
4751 in that glyph row area. X is the current output position assigned
4752 to the new glyph string constructed. HL overrides that face of the
4753 glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X
4754 is the right-most x-position of the drawing area. */
4756 #define BUILD_IMAGE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \
4759 s = (struct glyph_string *) alloca (sizeof *s); \
4760 w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \
4761 x_fill_image_glyph_string (s); \
4762 x_append_glyph_string (&HEAD, &TAIL, s); \
4769 /* Add a glyph string for a sequence of character glyphs to the list
4770 of strings between HEAD and TAIL. START is the index of the first
4771 glyph in row area AREA of glyph row ROW that is part of the new
4772 glyph string. END is the index of the last glyph in that glyph row
4773 area. X is the current output position assigned to the new glyph
4774 string constructed. HL overrides that face of the glyph; e.g. it
4775 is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the
4776 right-most x-position of the drawing area. */
4778 #define BUILD_CHAR_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \
4784 c = (ROW)->glyphs[AREA][START].u.ch; \
4785 face_id = (ROW)->glyphs[AREA][START].face_id; \
4787 s = (struct glyph_string *) alloca (sizeof *s); \
4788 char2b = (wchar_t *) alloca ((END - START) * sizeof *char2b); \
4789 w32_init_glyph_string (s, hdc, char2b, W, ROW, AREA, START, HL); \
4790 x_append_glyph_string (&HEAD, &TAIL, s); \
4792 START = x_fill_glyph_string (s, face_id, START, END, \
4798 /* Add a glyph string for a composite sequence to the list of strings
4799 between HEAD and TAIL. START is the index of the first glyph in
4800 row area AREA of glyph row ROW that is part of the new glyph
4801 string. END is the index of the last glyph in that glyph row area.
4802 X is the current output position assigned to the new glyph string
4803 constructed. HL overrides that face of the glyph; e.g. it is
4804 DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most
4805 x-position of the drawing area. */
4807 #define BUILD_COMPOSITE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \
4809 int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \
4810 int face_id = (ROW)->glyphs[AREA][START].face_id; \
4811 struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \
4812 struct composition *cmp = composition_table[cmp_id]; \
4813 int glyph_len = cmp->glyph_len; \
4815 struct face **faces; \
4816 struct glyph_string *first_s = NULL; \
4819 base_face = base_face->ascii_face; \
4820 char2b = (wchar_t *) alloca ((sizeof *char2b) * glyph_len); \
4821 faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \
4822 /* At first, fill in `char2b' and `faces'. */ \
4823 for (n = 0; n < glyph_len; n++) \
4825 int c = COMPOSITION_GLYPH (cmp, n); \
4826 int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \
4827 faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \
4828 x_get_char_face_and_encoding (XFRAME (w->frame), c, \
4829 this_face_id, char2b + n, 1); \
4832 /* Make glyph_strings for each glyph sequence that is drawable by \
4833 the same face, and append them to HEAD/TAIL. */ \
4834 for (n = 0; n < cmp->glyph_len;) \
4836 s = (struct glyph_string *) alloca (sizeof *s); \
4837 w32_init_glyph_string (s, hdc, char2b + n, W, ROW, AREA, START, HL); \
4838 x_append_glyph_string (&(HEAD), &(TAIL), s); \
4846 n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \
4854 /* Build a list of glyph strings between HEAD and TAIL for the glyphs
4855 of AREA of glyph row ROW on window W between indices START and END.
4856 HL overrides the face for drawing glyph strings, e.g. it is
4857 DRAW_CURSOR to draw a cursor. X and LAST_X are start and end
4858 x-positions of the drawing area.
4860 This is an ugly monster macro construct because we must use alloca
4861 to allocate glyph strings (because x_draw_glyphs can be called
4864 #define BUILD_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \
4867 HEAD = TAIL = NULL; \
4868 while (START < END) \
4870 struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \
4871 switch (first_glyph->type) \
4874 BUILD_CHAR_GLYPH_STRINGS (hdc, W, ROW, AREA, START, END, \
4875 HEAD, TAIL, HL, X, LAST_X, \
4879 case COMPOSITE_GLYPH: \
4880 BUILD_COMPOSITE_GLYPH_STRING (hdc, W, ROW, AREA, START, \
4881 END, HEAD, TAIL, HL, X, \
4882 LAST_X, OVERLAPS_P); \
4885 case STRETCH_GLYPH: \
4886 BUILD_STRETCH_GLYPH_STRING (hdc, W, ROW, AREA, START, END,\
4887 HEAD, TAIL, HL, X, LAST_X); \
4891 BUILD_IMAGE_GLYPH_STRING (hdc, W, ROW, AREA, START, END, \
4892 HEAD, TAIL, HL, X, LAST_X); \
4899 x_set_glyph_string_background_width (s, START, LAST_X); \
4906 /* Draw glyphs between START and END in AREA of ROW on window W,
4907 starting at x-position X. X is relative to AREA in W. HL is a
4908 face-override with the following meaning:
4910 DRAW_NORMAL_TEXT draw normally
4911 DRAW_CURSOR draw in cursor face
4912 DRAW_MOUSE_FACE draw in mouse face.
4913 DRAW_INVERSE_VIDEO draw in mode line face
4914 DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it
4915 DRAW_IMAGE_RAISED draw an image with a raised relief around it
4917 If OVERLAPS_P is non-zero, draw only the foreground of characters
4918 and clip to the physical height of ROW.
4920 Value is the x-position reached, relative to AREA of W. */
4923 x_draw_glyphs (w
, x
, row
, area
, start
, end
, hl
, overlaps_p
)
4926 struct glyph_row
*row
;
4927 enum glyph_row_area area
;
4929 enum draw_glyphs_face hl
;
4932 struct glyph_string
*head
, *tail
;
4933 struct glyph_string
*s
;
4934 int last_x
, area_width
;
4937 HDC hdc
= get_frame_dc (XFRAME (WINDOW_FRAME (w
)));
4939 /* Let's rather be paranoid than getting a SEGV. */
4940 end
= min (end
, row
->used
[area
]);
4941 start
= max (0, start
);
4942 start
= min (end
, start
);
4944 /* Translate X to frame coordinates. Set last_x to the right
4945 end of the drawing area. */
4946 if (row
->full_width_p
)
4948 /* X is relative to the left edge of W, without scroll bars
4950 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4951 int window_left_x
= WINDOW_LEFT_MARGIN (w
) * CANON_X_UNIT (f
);
4954 area_width
= XFASTINT (w
->width
) * CANON_X_UNIT (f
);
4955 last_x
= window_left_x
+ area_width
;
4957 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4959 int width
= FRAME_SCROLL_BAR_WIDTH (f
) * CANON_X_UNIT (f
);
4960 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f
))
4966 x
+= FRAME_INTERNAL_BORDER_WIDTH (f
);
4967 last_x
-= FRAME_INTERNAL_BORDER_WIDTH (f
);
4971 x
= WINDOW_AREA_TO_FRAME_PIXEL_X (w
, area
, x
);
4972 area_width
= window_box_width (w
, area
);
4973 last_x
= WINDOW_AREA_TO_FRAME_PIXEL_X (w
, area
, area_width
);
4976 /* Build a doubly-linked list of glyph_string structures between
4977 head and tail from what we have to draw. Note that the macro
4978 BUILD_GLYPH_STRINGS will modify its start parameter. That's
4979 the reason we use a separate variable `i'. */
4981 BUILD_GLYPH_STRINGS (hdc
, w
, row
, area
, i
, end
, head
, tail
, hl
, x
, last_x
,
4984 x_reached
= tail
->x
+ tail
->background_width
;
4988 /* If there are any glyphs with lbearing < 0 or rbearing > width in
4989 the row, redraw some glyphs in front or following the glyph
4990 strings built above. */
4991 if (head
&& !overlaps_p
&& row
->contains_overlapping_glyphs_p
)
4994 struct glyph_string
*h
, *t
;
4996 /* Compute overhangs for all glyph strings. */
4997 for (s
= head
; s
; s
= s
->next
)
4998 x_compute_glyph_string_overhangs (s
);
5000 /* Prepend glyph strings for glyphs in front of the first glyph
5001 string that are overwritten because of the first glyph
5002 string's left overhang. The background of all strings
5003 prepended must be drawn because the first glyph string
5005 i
= x_left_overwritten (head
);
5009 BUILD_GLYPH_STRINGS (hdc
, w
, row
, area
, j
, start
, h
, t
,
5010 DRAW_NORMAL_TEXT
, dummy_x
, last_x
,
5013 x_compute_overhangs_and_x (t
, head
->x
, 1);
5014 x_prepend_glyph_string_lists (&head
, &tail
, h
, t
);
5017 /* Prepend glyph strings for glyphs in front of the first glyph
5018 string that overwrite that glyph string because of their
5019 right overhang. For these strings, only the foreground must
5020 be drawn, because it draws over the glyph string at `head'.
5021 The background must not be drawn because this would overwrite
5022 right overhangs of preceding glyphs for which no glyph
5024 i
= x_left_overwriting (head
);
5027 BUILD_GLYPH_STRINGS (hdc
, w
, row
, area
, i
, start
, h
, t
,
5028 DRAW_NORMAL_TEXT
, dummy_x
, last_x
,
5030 for (s
= h
; s
; s
= s
->next
)
5031 s
->background_filled_p
= 1;
5032 x_compute_overhangs_and_x (t
, head
->x
, 1);
5033 x_prepend_glyph_string_lists (&head
, &tail
, h
, t
);
5036 /* Append glyphs strings for glyphs following the last glyph
5037 string tail that are overwritten by tail. The background of
5038 these strings has to be drawn because tail's foreground draws
5040 i
= x_right_overwritten (tail
);
5043 BUILD_GLYPH_STRINGS (hdc
, w
, row
, area
, end
, i
, h
, t
,
5044 DRAW_NORMAL_TEXT
, x
, last_x
,
5046 x_compute_overhangs_and_x (h
, tail
->x
+ tail
->width
, 0);
5047 x_append_glyph_string_lists (&head
, &tail
, h
, t
);
5050 /* Append glyph strings for glyphs following the last glyph
5051 string tail that overwrite tail. The foreground of such
5052 glyphs has to be drawn because it writes into the background
5053 of tail. The background must not be drawn because it could
5054 paint over the foreground of following glyphs. */
5055 i
= x_right_overwriting (tail
);
5058 BUILD_GLYPH_STRINGS (hdc
, w
, row
, area
, end
, i
, h
, t
,
5059 DRAW_NORMAL_TEXT
, x
, last_x
,
5061 for (s
= h
; s
; s
= s
->next
)
5062 s
->background_filled_p
= 1;
5063 x_compute_overhangs_and_x (h
, tail
->x
+ tail
->width
, 0);
5064 x_append_glyph_string_lists (&head
, &tail
, h
, t
);
5068 /* Draw all strings. */
5069 for (s
= head
; s
; s
= s
->next
)
5070 x_draw_glyph_string (s
);
5072 if (area
== TEXT_AREA
5073 && !row
->full_width_p
5074 /* When drawing overlapping rows, only the glyph strings'
5075 foreground is drawn, which doesn't erase a cursor
5079 int x0
= head
? head
->x
: x
;
5080 int x1
= tail
? tail
->x
+ tail
->background_width
: x
;
5082 x0
= FRAME_TO_WINDOW_PIXEL_X (w
, x0
);
5083 x1
= FRAME_TO_WINDOW_PIXEL_X (w
, x1
);
5085 if (!row
->full_width_p
&& XFASTINT (w
->left_margin_width
) != 0)
5087 int left_area_width
= window_box_width (w
, LEFT_MARGIN_AREA
);
5088 x0
-= left_area_width
;
5089 x1
-= left_area_width
;
5092 notice_overwritten_cursor (w
, area
, x0
, x1
,
5093 row
->y
, MATRIX_ROW_BOTTOM_Y (row
));
5096 /* Value is the x-position up to which drawn, relative to AREA of W.
5097 This doesn't include parts drawn because of overhangs. */
5098 x_reached
= FRAME_TO_WINDOW_PIXEL_X (w
, x_reached
);
5099 if (!row
->full_width_p
)
5101 if (area
> LEFT_MARGIN_AREA
)
5102 x_reached
-= window_box_width (w
, LEFT_MARGIN_AREA
);
5103 if (area
> TEXT_AREA
)
5104 x_reached
-= window_box_width (w
, TEXT_AREA
);
5107 release_frame_dc (XFRAME (WINDOW_FRAME (w
)), hdc
);
5113 /* Fix the display of area AREA of overlapping row ROW in window W. */
5116 x_fix_overlapping_area (w
, row
, area
)
5118 struct glyph_row
*row
;
5119 enum glyph_row_area area
;
5125 if (area
== LEFT_MARGIN_AREA
)
5127 else if (area
== TEXT_AREA
)
5128 x
= row
->x
+ window_box_width (w
, LEFT_MARGIN_AREA
);
5130 x
= (window_box_width (w
, LEFT_MARGIN_AREA
)
5131 + window_box_width (w
, TEXT_AREA
));
5133 for (i
= 0; i
< row
->used
[area
];)
5135 if (row
->glyphs
[area
][i
].overlaps_vertically_p
)
5137 int start
= i
, start_x
= x
;
5141 x
+= row
->glyphs
[area
][i
].pixel_width
;
5144 while (i
< row
->used
[area
]
5145 && row
->glyphs
[area
][i
].overlaps_vertically_p
);
5147 x_draw_glyphs (w
, start_x
, row
, area
, start
, i
,
5148 DRAW_NORMAL_TEXT
, 1);
5152 x
+= row
->glyphs
[area
][i
].pixel_width
;
5161 /* Output LEN glyphs starting at START at the nominal cursor position.
5162 Advance the nominal cursor over the text. The global variable
5163 updated_window contains the window being updated, updated_row is
5164 the glyph row being updated, and updated_area is the area of that
5165 row being updated. */
5168 x_write_glyphs (start
, len
)
5169 struct glyph
*start
;
5174 xassert (updated_window
&& updated_row
);
5179 hpos
= start
- updated_row
->glyphs
[updated_area
];
5180 x
= x_draw_glyphs (updated_window
, output_cursor
.x
,
5181 updated_row
, updated_area
,
5183 DRAW_NORMAL_TEXT
, 0);
5187 /* Advance the output cursor. */
5188 output_cursor
.hpos
+= len
;
5189 output_cursor
.x
= x
;
5193 /* Insert LEN glyphs from START at the nominal cursor position. */
5196 x_insert_glyphs (start
, len
)
5197 struct glyph
*start
;
5202 int line_height
, shift_by_width
, shifted_region_width
;
5203 struct glyph_row
*row
;
5204 struct glyph
*glyph
;
5205 int frame_x
, frame_y
, hpos
;
5208 xassert (updated_window
&& updated_row
);
5211 f
= XFRAME (WINDOW_FRAME (w
));
5212 hdc
= get_frame_dc (f
);
5214 /* Get the height of the line we are in. */
5216 line_height
= row
->height
;
5218 /* Get the width of the glyphs to insert. */
5220 for (glyph
= start
; glyph
< start
+ len
; ++glyph
)
5221 shift_by_width
+= glyph
->pixel_width
;
5223 /* Get the width of the region to shift right. */
5224 shifted_region_width
= (window_box_width (w
, updated_area
)
5229 frame_x
= window_box_left (w
, updated_area
) + output_cursor
.x
;
5230 frame_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, output_cursor
.y
);
5231 BitBlt (hdc
, frame_x
+ shift_by_width
, frame_y
,
5232 shifted_region_width
, line_height
,
5233 hdc
, frame_x
, frame_y
, SRCCOPY
);
5235 /* Write the glyphs. */
5236 hpos
= start
- row
->glyphs
[updated_area
];
5237 x_draw_glyphs (w
, output_cursor
.x
, row
, updated_area
, hpos
, hpos
+ len
,
5238 DRAW_NORMAL_TEXT
, 0);
5240 /* Advance the output cursor. */
5241 output_cursor
.hpos
+= len
;
5242 output_cursor
.x
+= shift_by_width
;
5243 release_frame_dc (f
, hdc
);
5249 /* Delete N glyphs at the nominal cursor position. Not implemented
5261 f
= SELECTED_FRAME ();
5263 if (! FRAME_W32_P (f
))
5270 /* Erase the current text line from the nominal cursor position
5271 (inclusive) to pixel column TO_X (exclusive). The idea is that
5272 everything from TO_X onward is already erased.
5274 TO_X is a pixel position relative to updated_area of
5275 updated_window. TO_X == -1 means clear to the end of this area. */
5278 x_clear_end_of_line (to_x
)
5282 struct window
*w
= updated_window
;
5283 int max_x
, min_y
, max_y
;
5284 int from_x
, from_y
, to_y
;
5286 xassert (updated_window
&& updated_row
);
5287 f
= XFRAME (w
->frame
);
5289 if (updated_row
->full_width_p
)
5291 max_x
= XFASTINT (w
->width
) * CANON_X_UNIT (f
);
5292 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
)
5293 && !w
->pseudo_window_p
)
5294 max_x
+= FRAME_SCROLL_BAR_WIDTH (f
) * CANON_X_UNIT (f
);
5297 max_x
= window_box_width (w
, updated_area
);
5298 max_y
= window_text_bottom_y (w
);
5300 /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end
5301 of window. For TO_X > 0, truncate to end of drawing area. */
5307 to_x
= min (to_x
, max_x
);
5309 to_y
= min (max_y
, output_cursor
.y
+ updated_row
->height
);
5311 /* Notice if the cursor will be cleared by this operation. */
5312 if (!updated_row
->full_width_p
)
5313 notice_overwritten_cursor (w
, updated_area
,
5314 output_cursor
.x
, -1,
5316 MATRIX_ROW_BOTTOM_Y (updated_row
));
5318 from_x
= output_cursor
.x
;
5320 /* Translate to frame coordinates. */
5321 if (updated_row
->full_width_p
)
5323 from_x
= WINDOW_TO_FRAME_PIXEL_X (w
, from_x
);
5324 to_x
= WINDOW_TO_FRAME_PIXEL_X (w
, to_x
);
5328 from_x
= WINDOW_AREA_TO_FRAME_PIXEL_X (w
, updated_area
, from_x
);
5329 to_x
= WINDOW_AREA_TO_FRAME_PIXEL_X (w
, updated_area
, to_x
);
5332 min_y
= WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w
);
5333 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (min_y
, output_cursor
.y
));
5334 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, to_y
);
5336 /* Prevent inadvertently clearing to end of the X window. */
5337 if (to_x
> from_x
&& to_y
> from_y
)
5341 hdc
= get_frame_dc (f
);
5343 w32_clear_area (f
, hdc
, from_x
, from_y
, to_x
- from_x
, to_y
- from_y
);
5344 release_frame_dc (f
, hdc
);
5350 /* Clear entire frame. If updating_frame is non-null, clear that
5351 frame. Otherwise clear the selected frame. */
5361 f
= SELECTED_FRAME ();
5363 if (! FRAME_W32_P (f
))
5366 /* Clearing the frame will erase any cursor, so mark them all as no
5368 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
5369 output_cursor
.hpos
= output_cursor
.vpos
= 0;
5370 output_cursor
.x
= -1;
5372 /* We don't set the output cursor here because there will always
5373 follow an explicit cursor_to. */
5376 w32_clear_window (f
);
5378 /* We have to clear the scroll bars, too. If we have changed
5379 colors or something like that, then they should be notified. */
5380 x_scroll_bar_clear (f
);
5386 /* Make audible bell. */
5389 w32_ring_bell (void)
5393 f
= SELECTED_FRAME ();
5397 if (FRAME_W32_P (f
) && visible_bell
)
5400 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
5402 for (i
= 0; i
< 5; i
++)
5404 FlashWindow (hwnd
, TRUE
);
5407 FlashWindow (hwnd
, FALSE
);
5410 w32_sys_ring_bell ();
5416 /* Specify how many text lines, from the top of the window,
5417 should be affected by insert-lines and delete-lines operations.
5418 This, and those operations, are used only within an update
5419 that is bounded by calls to x_update_begin and x_update_end. */
5422 w32_set_terminal_window (n
)
5425 /* This function intentionally left blank. */
5430 /***********************************************************************
5432 ***********************************************************************/
5434 /* Perform an insert-lines or delete-lines operation, inserting N
5435 lines or deleting -N lines at vertical position VPOS. */
5438 x_ins_del_lines (vpos
, n
)
5446 f
= SELECTED_FRAME ();
5448 if (! FRAME_W32_P (f
))
5455 /* Scroll part of the display as described by RUN. */
5458 x_scroll_run (w
, run
)
5462 struct frame
*f
= XFRAME (w
->frame
);
5463 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
5464 HWND hwnd
= FRAME_W32_WINDOW (f
);
5467 /* Get frame-relative bounding box of the text display area of W,
5468 without mode lines. Include in this box the left and right
5470 window_box (w
, -1, &x
, &y
, &width
, &height
);
5471 width
+= FRAME_X_FRINGE_WIDTH (f
);
5472 x
-= FRAME_X_LEFT_FRINGE_WIDTH (f
);
5474 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
5475 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
5476 bottom_y
= y
+ height
;
5480 /* Scrolling up. Make sure we don't copy part of the mode
5481 line at the bottom. */
5482 if (from_y
+ run
->height
> bottom_y
)
5483 height
= bottom_y
- from_y
;
5485 height
= run
->height
;
5486 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
5490 /* Scolling down. Make sure we don't copy over the mode line.
5492 if (to_y
+ run
->height
> bottom_y
)
5493 height
= bottom_y
- to_y
;
5495 height
= run
->height
;
5496 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
5501 /* Cursor off. Will be switched on again in x_update_window_end. */
5508 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
5509 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
5511 from
.left
= to
.left
= x
;
5512 from
.right
= to
.right
= x
+ width
;
5514 from
.bottom
= from_y
+ height
;
5516 to
.bottom
= bottom_y
;
5518 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
5519 NULL
, SW_INVALIDATE
);
5521 /* Combine this with what we expect to be dirty. This covers the
5522 case where not all of the region we expect is actually dirty. */
5523 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
5525 /* If the dirty region is not what we expected, redraw the entire frame. */
5526 if (!EqualRgn (combined
, expect_dirty
))
5527 SET_FRAME_GARBAGED (f
);
5535 /***********************************************************************
5537 ***********************************************************************/
5539 /* Redisplay an exposed area of frame F. X and Y are the upper-left
5540 corner of the exposed rectangle. W and H are width and height of
5541 the exposed area. All are pixel values. W or H zero means redraw
5542 the entire frame. */
5545 expose_frame (f
, x
, y
, w
, h
)
5550 int mouse_face_overwritten_p
= 0;
5552 TRACE ((stderr
, "expose_frame "));
5554 /* No need to redraw if frame will be redrawn soon. */
5555 if (FRAME_GARBAGED_P (f
))
5557 TRACE ((stderr
, " garbaged\n"));
5561 /* If basic faces haven't been realized yet, there is no point in
5562 trying to redraw anything. This can happen when we get an expose
5563 event while Emacs is starting, e.g. by moving another window. */
5564 if (FRAME_FACE_CACHE (f
) == NULL
5565 || FRAME_FACE_CACHE (f
)->used
< BASIC_FACE_ID_SENTINEL
)
5567 TRACE ((stderr
, " no faces\n"));
5571 if (w
== 0 || h
== 0)
5574 r
.right
= CANON_X_UNIT (f
) * f
->width
;
5575 r
.bottom
= CANON_Y_UNIT (f
) * f
->height
;
5585 TRACE ((stderr
, "(%d, %d, %d, %d)\n", r
.left
, r
.top
, r
.right
, r
.bottom
));
5586 mouse_face_overwritten_p
= expose_window_tree (XWINDOW (f
->root_window
), &r
);
5588 if (WINDOWP (f
->tool_bar_window
))
5589 mouse_face_overwritten_p
5590 |= expose_window (XWINDOW (f
->tool_bar_window
), &r
);
5592 /* Some window managers support a focus-follows-mouse style with
5593 delayed raising of frames. Imagine a partially obscured frame,
5594 and moving the mouse into partially obscured mouse-face on that
5595 frame. The visible part of the mouse-face will be highlighted,
5596 then the WM raises the obscured frame. With at least one WM, KDE
5597 2.1, Emacs is not getting any event for the raising of the frame
5598 (even tried with SubstructureRedirectMask), only Expose events.
5599 These expose events will draw text normally, i.e. not
5600 highlighted. Which means we must redo the highlight here.
5601 Subsume it under ``we love X''. --gerd 2001-08-15 */
5602 /* Included in Windows version because Windows most likely does not
5603 do the right thing if any third party tool offers
5604 focus-follows-mouse with delayed raise. --jason 2001-10-12 */
5605 if (mouse_face_overwritten_p
&& !FRAME_GARBAGED_P (f
))
5607 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5608 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5610 int x
= dpyinfo
->mouse_face_mouse_x
;
5611 int y
= dpyinfo
->mouse_face_mouse_y
;
5612 clear_mouse_face (dpyinfo
);
5613 note_mouse_highlight (f
, x
, y
);
5619 /* Redraw (parts) of all windows in the window tree rooted at W that
5620 intersect R. R contains frame pixel coordinates. */
5623 expose_window_tree (w
, r
)
5627 struct frame
*f
= XFRAME (w
->frame
);
5628 int mouse_face_overwritten_p
= 0;
5630 while (w
&& !FRAME_GARBAGED_P (f
))
5632 if (!NILP (w
->hchild
))
5633 mouse_face_overwritten_p
5634 |= expose_window_tree (XWINDOW (w
->hchild
), r
);
5635 else if (!NILP (w
->vchild
))
5636 mouse_face_overwritten_p
5637 |= expose_window_tree (XWINDOW (w
->vchild
), r
);
5639 mouse_face_overwritten_p
|= expose_window (w
, r
);
5641 w
= NILP (w
->next
) ? NULL
: XWINDOW (w
->next
);
5644 return mouse_face_overwritten_p
;
5648 /* Redraw the part of glyph row area AREA of glyph row ROW on window W
5649 which intersects rectangle R. R is in window-relative coordinates. */
5652 expose_area (w
, row
, r
, area
)
5654 struct glyph_row
*row
;
5656 enum glyph_row_area area
;
5658 struct glyph
*first
= row
->glyphs
[area
];
5659 struct glyph
*end
= row
->glyphs
[area
] + row
->used
[area
];
5661 int first_x
, start_x
, x
;
5663 if (area
== TEXT_AREA
&& row
->fill_line_p
)
5664 /* If row extends face to end of line write the whole line. */
5665 x_draw_glyphs (w
, 0, row
, area
,
5667 DRAW_NORMAL_TEXT
, 0);
5670 /* Set START_X to the window-relative start position for drawing glyphs of
5671 AREA. The first glyph of the text area can be partially visible.
5672 The first glyphs of other areas cannot. */
5673 if (area
== LEFT_MARGIN_AREA
)
5675 else if (area
== TEXT_AREA
)
5676 start_x
= row
->x
+ window_box_width (w
, LEFT_MARGIN_AREA
);
5678 start_x
= (window_box_width (w
, LEFT_MARGIN_AREA
)
5679 + window_box_width (w
, TEXT_AREA
));
5682 /* Find the first glyph that must be redrawn. */
5684 && x
+ first
->pixel_width
< r
->left
)
5686 x
+= first
->pixel_width
;
5690 /* Find the last one. */
5696 x
+= last
->pixel_width
;
5702 x_draw_glyphs (w
, first_x
- start_x
, row
, area
,
5703 first
- row
->glyphs
[area
],
5704 last
- row
->glyphs
[area
],
5705 DRAW_NORMAL_TEXT
, 0);
5710 /* Redraw the parts of the glyph row ROW on window W intersecting
5711 rectangle R. R is in window-relative coordinates. Value is
5712 non-zero if mouse face was overwritten. */
5715 expose_line (w
, row
, r
)
5717 struct glyph_row
*row
;
5720 xassert (row
->enabled_p
);
5722 if (row
->mode_line_p
|| w
->pseudo_window_p
)
5723 x_draw_glyphs (w
, 0, row
, TEXT_AREA
, 0, row
->used
[TEXT_AREA
],
5724 DRAW_NORMAL_TEXT
, 0);
5727 if (row
->used
[LEFT_MARGIN_AREA
])
5728 expose_area (w
, row
, r
, LEFT_MARGIN_AREA
);
5729 if (row
->used
[TEXT_AREA
])
5730 expose_area (w
, row
, r
, TEXT_AREA
);
5731 if (row
->used
[RIGHT_MARGIN_AREA
])
5732 expose_area (w
, row
, r
, RIGHT_MARGIN_AREA
);
5733 x_draw_row_fringe_bitmaps (w
, row
);
5736 return row
->mouse_face_p
;
5740 /* Return non-zero if W's cursor intersects rectangle R. */
5743 x_phys_cursor_in_rect_p (w
, r
)
5748 struct glyph
*cursor_glyph
;
5750 cursor_glyph
= get_phys_cursor_glyph (w
);
5753 cr
.left
= w
->phys_cursor
.x
;
5754 cr
.top
= w
->phys_cursor
.y
;
5755 cr
.right
= cr
.left
+ cursor_glyph
->pixel_width
;
5756 cr
.bottom
= cr
.top
+ w
->phys_cursor_height
;
5757 return IntersectRect (&result
, &cr
, r
);
5764 /* Redraw the part of window W intersection rectagle FR. Pixel
5765 coordinates in FR are frame relative. Call this function with
5766 input blocked. Value is non-zero if the exposure overwrites
5770 expose_window (w
, fr
)
5774 struct frame
*f
= XFRAME (w
->frame
);
5776 int mouse_face_overwritten_p
= 0;
5778 /* If window is not yet fully initialized, do nothing. This can
5779 happen when toolkit scroll bars are used and a window is split.
5780 Reconfiguring the scroll bar will generate an expose for a newly
5782 if (w
->current_matrix
== NULL
)
5785 /* When we're currently updating the window, display and current
5786 matrix usually don't agree. Arrange for a thorough display
5788 if (w
== updated_window
)
5790 SET_FRAME_GARBAGED (f
);
5794 /* Frame-relative pixel rectangle of W. */
5795 wr
.left
= XFASTINT (w
->left
) * CANON_X_UNIT (f
);
5796 wr
.top
= XFASTINT (w
->top
) * CANON_Y_UNIT (f
);
5797 wr
.right
= wr
.left
+ XFASTINT (w
->width
) * CANON_X_UNIT (f
);
5798 wr
.bottom
= wr
.top
+ XFASTINT (w
->height
) * CANON_Y_UNIT (f
);
5800 if (IntersectRect(&r
, fr
, &wr
))
5802 int yb
= window_text_bottom_y (w
);
5803 struct glyph_row
*row
;
5804 int cursor_cleared_p
;
5806 TRACE ((stderr
, "expose_window (%d, %d, %d, %d)\n",
5807 r
.left
, r
.top
, r
.right
, r
.bottom
));
5809 /* Convert to window coordinates. */
5810 r
.left
= FRAME_TO_WINDOW_PIXEL_X (w
, r
.left
);
5811 r
.right
= FRAME_TO_WINDOW_PIXEL_X (w
, r
.right
);
5812 r
.top
= FRAME_TO_WINDOW_PIXEL_Y (w
, r
.top
);
5813 r
.bottom
= FRAME_TO_WINDOW_PIXEL_Y (w
, r
.bottom
);
5815 /* Turn off the cursor. */
5816 if (!w
->pseudo_window_p
5817 && x_phys_cursor_in_rect_p (w
, &r
))
5820 cursor_cleared_p
= 1;
5823 cursor_cleared_p
= 0;
5825 /* Find the first row intersecting the rectangle R. */
5826 for (row
= w
->current_matrix
->rows
;
5831 int y1
= MATRIX_ROW_BOTTOM_Y (row
);
5833 if ((y0
>= r
.top
&& y0
< r
.bottom
)
5834 || (y1
> r
.top
&& y1
< r
.bottom
)
5835 || (r
.top
>= y0
&& r
.top
< y1
)
5836 || (r
.bottom
> y0
&& r
.bottom
< y1
))
5838 if (expose_line (w
, row
, &r
))
5839 mouse_face_overwritten_p
= 1;
5846 /* Display the mode line if there is one. */
5847 if (WINDOW_WANTS_MODELINE_P (w
)
5848 && (row
= MATRIX_MODE_LINE_ROW (w
->current_matrix
),
5850 && row
->y
< r
.bottom
)
5852 if (expose_line (w
, row
, &r
))
5853 mouse_face_overwritten_p
= 1;
5856 if (!w
->pseudo_window_p
)
5858 /* Draw border between windows. */
5859 x_draw_vertical_border (w
);
5861 /* Turn the cursor on again. */
5862 if (cursor_cleared_p
)
5863 x_update_window_cursor (w
, 1);
5867 return mouse_face_overwritten_p
;
5875 x_update_cursor (f
, 1);
5879 frame_unhighlight (f
)
5882 x_update_cursor (f
, 1);
5885 /* The focus has changed. Update the frames as necessary to reflect
5886 the new situation. Note that we can't change the selected frame
5887 here, because the Lisp code we are interrupting might become confused.
5888 Each event gets marked with the frame in which it occurred, so the
5889 Lisp code can tell when the switch took place by examining the events. */
5892 x_new_focus_frame (dpyinfo
, frame
)
5893 struct w32_display_info
*dpyinfo
;
5894 struct frame
*frame
;
5896 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
5898 if (frame
!= dpyinfo
->w32_focus_frame
)
5900 /* Set this before calling other routines, so that they see
5901 the correct value of w32_focus_frame. */
5902 dpyinfo
->w32_focus_frame
= frame
;
5904 if (old_focus
&& old_focus
->auto_lower
)
5905 x_lower_frame (old_focus
);
5907 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
5908 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
5910 pending_autoraise_frame
= 0;
5913 x_frame_rehighlight (dpyinfo
);
5916 /* Handle an event saying the mouse has moved out of an Emacs frame. */
5919 x_mouse_leave (dpyinfo
)
5920 struct w32_display_info
*dpyinfo
;
5922 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
5925 /* The focus has changed, or we have redirected a frame's focus to
5926 another frame (this happens when a frame uses a surrogate
5927 mini-buffer frame). Shift the highlight as appropriate.
5929 The FRAME argument doesn't necessarily have anything to do with which
5930 frame is being highlighted or un-highlighted; we only use it to find
5931 the appropriate X display info. */
5934 w32_frame_rehighlight (frame
)
5935 struct frame
*frame
;
5937 if (! FRAME_W32_P (frame
))
5939 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
5943 x_frame_rehighlight (dpyinfo
)
5944 struct w32_display_info
*dpyinfo
;
5946 struct frame
*old_highlight
= dpyinfo
->w32_highlight_frame
;
5948 if (dpyinfo
->w32_focus_frame
)
5950 dpyinfo
->w32_highlight_frame
5951 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
5952 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
5953 : dpyinfo
->w32_focus_frame
);
5954 if (! FRAME_LIVE_P (dpyinfo
->w32_highlight_frame
))
5956 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
5957 dpyinfo
->w32_highlight_frame
= dpyinfo
->w32_focus_frame
;
5961 dpyinfo
->w32_highlight_frame
= 0;
5963 if (dpyinfo
->w32_highlight_frame
!= old_highlight
)
5966 frame_unhighlight (old_highlight
);
5967 if (dpyinfo
->w32_highlight_frame
)
5968 frame_highlight (dpyinfo
->w32_highlight_frame
);
5972 /* Keyboard processing - modifier keys, etc. */
5974 /* Convert a keysym to its name. */
5977 x_get_keysym_name (keysym
)
5980 /* Make static so we can always return it */
5981 static char value
[100];
5984 GetKeyNameText (keysym
, value
, 100);
5992 /* Mouse clicks and mouse movement. Rah. */
5994 /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph
5995 co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the
5996 glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do
5997 not force the value into range. */
6000 pixel_to_glyph_coords (f
, pix_x
, pix_y
, x
, y
, bounds
, noclip
)
6002 register int pix_x
, pix_y
;
6003 register int *x
, *y
;
6007 /* Support tty mode: if Vwindow_system is nil, behave correctly. */
6008 if (NILP (Vwindow_system
))
6015 /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down
6016 even for negative values. */
6018 pix_x
-= FONT_WIDTH (FRAME_FONT (f
)) - 1;
6020 pix_y
-= (f
)->output_data
.w32
->line_height
- 1;
6022 pix_x
= PIXEL_TO_CHAR_COL (f
, pix_x
);
6023 pix_y
= PIXEL_TO_CHAR_ROW (f
, pix_y
);
6027 bounds
->left
= CHAR_TO_PIXEL_COL (f
, pix_x
);
6028 bounds
->top
= CHAR_TO_PIXEL_ROW (f
, pix_y
);
6029 bounds
->right
= bounds
->left
+ FONT_WIDTH (FRAME_FONT (f
)) - 1;
6030 bounds
->bottom
= bounds
->top
+ f
->output_data
.w32
->line_height
- 1;
6037 else if (pix_x
> FRAME_WINDOW_WIDTH (f
))
6038 pix_x
= FRAME_WINDOW_WIDTH (f
);
6042 else if (pix_y
> f
->height
)
6051 /* Given HPOS/VPOS in the current matrix of W, return corresponding
6052 frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we
6053 can't tell the positions because W's display is not up to date,
6057 glyph_to_pixel_coords (w
, hpos
, vpos
, frame_x
, frame_y
)
6060 int *frame_x
, *frame_y
;
6064 xassert (hpos
>= 0 && hpos
< w
->current_matrix
->matrix_w
);
6065 xassert (vpos
>= 0 && vpos
< w
->current_matrix
->matrix_h
);
6067 if (display_completed
)
6069 struct glyph_row
*row
= MATRIX_ROW (w
->current_matrix
, vpos
);
6070 struct glyph
*glyph
= row
->glyphs
[TEXT_AREA
];
6071 struct glyph
*end
= glyph
+ min (hpos
, row
->used
[TEXT_AREA
]);
6077 *frame_x
+= glyph
->pixel_width
;
6085 *frame_y
= *frame_x
= 0;
6089 *frame_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, *frame_y
);
6090 *frame_x
= WINDOW_TO_FRAME_PIXEL_X (w
, *frame_x
);
6094 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
6095 the state in PUP. XBUTTON provides extra information for extended mouse
6096 button messages. Returns FALSE if unable to parse the message. */
6098 parse_button (message
, xbutton
, pbutton
, pup
)
6109 case WM_LBUTTONDOWN
:
6117 case WM_MBUTTONDOWN
:
6118 if (NILP (Vw32_swap_mouse_buttons
))
6125 if (NILP (Vw32_swap_mouse_buttons
))
6131 case WM_RBUTTONDOWN
:
6132 if (NILP (Vw32_swap_mouse_buttons
))
6139 if (NILP (Vw32_swap_mouse_buttons
))
6145 case WM_XBUTTONDOWN
:
6146 button
= xbutton
+ 2;
6150 button
= xbutton
+ 2;
6158 if (pbutton
) *pbutton
= button
;
6164 /* Prepare a mouse-event in *RESULT for placement in the input queue.
6166 If the event is a button press, then note that we have grabbed
6170 construct_mouse_click (result
, msg
, f
)
6171 struct input_event
*result
;
6178 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
6181 /* Make the event type no_event; we'll change that when we decide
6183 result
->kind
= mouse_click
;
6184 result
->code
= button
;
6185 result
->timestamp
= msg
->msg
.time
;
6186 result
->modifiers
= (msg
->dwModifiers
6191 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
6192 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
6193 XSETFRAME (result
->frame_or_window
, f
);
6199 construct_mouse_wheel (result
, msg
, f
)
6200 struct input_event
*result
;
6205 result
->kind
= mouse_wheel
;
6206 result
->code
= (short) HIWORD (msg
->msg
.wParam
);
6207 result
->timestamp
= msg
->msg
.time
;
6208 result
->modifiers
= msg
->dwModifiers
;
6209 p
.x
= LOWORD (msg
->msg
.lParam
);
6210 p
.y
= HIWORD (msg
->msg
.lParam
);
6211 ScreenToClient (msg
->msg
.hwnd
, &p
);
6212 XSETINT (result
->x
, p
.x
);
6213 XSETINT (result
->y
, p
.y
);
6214 XSETFRAME (result
->frame_or_window
, f
);
6220 construct_drag_n_drop (result
, msg
, f
)
6221 struct input_event
*result
;
6233 result
->kind
= drag_n_drop
;
6235 result
->timestamp
= msg
->msg
.time
;
6236 result
->modifiers
= msg
->dwModifiers
;
6238 hdrop
= (HDROP
) msg
->msg
.wParam
;
6239 DragQueryPoint (hdrop
, &p
);
6242 p
.x
= LOWORD (msg
->msg
.lParam
);
6243 p
.y
= HIWORD (msg
->msg
.lParam
);
6244 ScreenToClient (msg
->msg
.hwnd
, &p
);
6247 XSETINT (result
->x
, p
.x
);
6248 XSETINT (result
->y
, p
.y
);
6250 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
6253 for (i
= 0; i
< num_files
; i
++)
6255 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
6258 name
= alloca (len
+ 1);
6259 DragQueryFile (hdrop
, i
, name
, len
+ 1);
6260 files
= Fcons (build_string (name
), files
);
6265 XSETFRAME (frame
, f
);
6266 result
->frame_or_window
= Fcons (frame
, files
);
6272 /* Function to report a mouse movement to the mainstream Emacs code.
6273 The input handler calls this.
6275 We have received a mouse movement event, which is given in *event.
6276 If the mouse is over a different glyph than it was last time, tell
6277 the mainstream emacs code by setting mouse_moved. If not, ask for
6278 another motion event, so we can check again the next time it moves. */
6280 static MSG last_mouse_motion_event
;
6281 static Lisp_Object last_mouse_motion_frame
;
6283 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
6286 note_mouse_movement (frame
, msg
)
6290 int mouse_x
= LOWORD (msg
->lParam
);
6291 int mouse_y
= HIWORD (msg
->lParam
);
6293 last_mouse_movement_time
= msg
->time
;
6294 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
6295 XSETFRAME (last_mouse_motion_frame
, frame
);
6297 if (x_autoselect_window_p
)
6301 static Lisp_Object last_window
;
6303 window
= window_from_coordinates (frame
, mouse_x
, mouse_y
, &area
, 0);
6305 /* Window will be selected only when it is not selected now and
6306 last mouse movement event was not in it. Minubuffer window
6307 will be selected iff it is active. */
6308 if (!EQ (window
, last_window
)
6309 && !EQ (window
, selected_window
)
6310 && (!MINI_WINDOW_P (XWINDOW (window
))
6311 || (EQ (window
, minibuf_window
) && minibuf_level
> 0)))
6312 Fselect_window (window
);
6317 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
6319 frame
->mouse_moved
= 1;
6320 last_mouse_scroll_bar
= Qnil
;
6321 note_mouse_highlight (frame
, -1, -1);
6324 /* Has the mouse moved off the glyph it was on at the last sighting? */
6325 else if (mouse_x
< last_mouse_glyph
.left
6326 || mouse_x
> last_mouse_glyph
.right
6327 || mouse_y
< last_mouse_glyph
.top
6328 || mouse_y
> last_mouse_glyph
.bottom
)
6330 frame
->mouse_moved
= 1;
6331 last_mouse_scroll_bar
= Qnil
;
6332 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
6333 /* Remember the mouse position here, as w32_mouse_position only
6334 gets called when mouse tracking is enabled but we also need
6335 to keep track of the mouse for help_echo and highlighting at
6337 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
6342 /************************************************************************
6344 ************************************************************************/
6346 /* Find the glyph under window-relative coordinates X/Y in window W.
6347 Consider only glyphs from buffer text, i.e. no glyphs from overlay
6348 strings. Return in *HPOS and *VPOS the row and column number of
6349 the glyph found. Return in *AREA the glyph area containing X.
6350 Value is a pointer to the glyph found or null if X/Y is not on
6351 text, or we can't tell because W's current matrix is not up to
6354 static struct glyph
*
6355 x_y_to_hpos_vpos (w
, x
, y
, hpos
, vpos
, area
, buffer_only_p
)
6358 int *hpos
, *vpos
, *area
;
6361 struct glyph
*glyph
, *end
;
6362 struct glyph_row
*row
= NULL
;
6363 int x0
, i
, left_area_width
;
6365 /* Find row containing Y. Give up if some row is not enabled. */
6366 for (i
= 0; i
< w
->current_matrix
->nrows
; ++i
)
6368 row
= MATRIX_ROW (w
->current_matrix
, i
);
6369 if (!row
->enabled_p
)
6371 if (y
>= row
->y
&& y
< MATRIX_ROW_BOTTOM_Y (row
))
6378 /* Give up if Y is not in the window. */
6379 if (i
== w
->current_matrix
->nrows
)
6382 /* Get the glyph area containing X. */
6383 if (w
->pseudo_window_p
)
6390 left_area_width
= window_box_width (w
, LEFT_MARGIN_AREA
);
6391 if (x
< left_area_width
)
6393 *area
= LEFT_MARGIN_AREA
;
6396 else if (x
< left_area_width
+ window_box_width (w
, TEXT_AREA
))
6399 x0
= row
->x
+ left_area_width
;
6403 *area
= RIGHT_MARGIN_AREA
;
6404 x0
= left_area_width
+ window_box_width (w
, TEXT_AREA
);
6408 /* Find glyph containing X. */
6409 glyph
= row
->glyphs
[*area
];
6410 end
= glyph
+ row
->used
[*area
];
6413 if (x
< x0
+ glyph
->pixel_width
)
6415 if (w
->pseudo_window_p
)
6417 else if (!buffer_only_p
|| BUFFERP (glyph
->object
))
6421 x0
+= glyph
->pixel_width
;
6428 *hpos
= glyph
- row
->glyphs
[*area
];
6433 /* Convert frame-relative x/y to coordinates relative to window W.
6434 Takes pseudo-windows into account. */
6437 frame_to_window_pixel_xy (w
, x
, y
)
6441 if (w
->pseudo_window_p
)
6443 /* A pseudo-window is always full-width, and starts at the
6444 left edge of the frame, plus a frame border. */
6445 struct frame
*f
= XFRAME (w
->frame
);
6446 *x
-= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f
);
6447 *y
= FRAME_TO_WINDOW_PIXEL_Y (w
, *y
);
6451 *x
= FRAME_TO_WINDOW_PIXEL_X (w
, *x
);
6452 *y
= FRAME_TO_WINDOW_PIXEL_Y (w
, *y
);
6457 /* Take proper action when mouse has moved to the mode or header line of
6458 window W, x-position X. MODE_LINE_P non-zero means mouse is on the
6459 mode line. X is relative to the start of the text display area of
6460 W, so the width of fringes and scroll bars must be subtracted
6461 to get a position relative to the start of the mode line. */
6464 note_mode_line_highlight (w
, x
, mode_line_p
)
6468 struct frame
*f
= XFRAME (w
->frame
);
6469 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6470 Cursor cursor
= dpyinfo
->vertical_scroll_bar_cursor
;
6471 struct glyph_row
*row
;
6474 row
= MATRIX_MODE_LINE_ROW (w
->current_matrix
);
6476 row
= MATRIX_HEADER_LINE_ROW (w
->current_matrix
);
6480 struct glyph
*glyph
, *end
;
6481 Lisp_Object help
, map
;
6484 /* Find the glyph under X. */
6485 glyph
= row
->glyphs
[TEXT_AREA
];
6486 end
= glyph
+ row
->used
[TEXT_AREA
];
6487 x0
= - (FRAME_LEFT_SCROLL_BAR_WIDTH (f
) * CANON_X_UNIT (f
)
6488 + FRAME_X_LEFT_FRINGE_WIDTH (f
));
6491 && x
>= x0
+ glyph
->pixel_width
)
6493 x0
+= glyph
->pixel_width
;
6498 && STRINGP (glyph
->object
)
6499 && XSTRING (glyph
->object
)->intervals
6500 && glyph
->charpos
>= 0
6501 && glyph
->charpos
< XSTRING (glyph
->object
)->size
)
6503 /* If we're on a string with `help-echo' text property,
6504 arrange for the help to be displayed. This is done by
6505 setting the global variable help_echo to the help string. */
6506 help
= Fget_text_property (make_number (glyph
->charpos
),
6507 Qhelp_echo
, glyph
->object
);
6511 XSETWINDOW (help_echo_window
, w
);
6512 help_echo_object
= glyph
->object
;
6513 help_echo_pos
= glyph
->charpos
;
6516 /* Change the mouse pointer according to what is under X/Y. */
6517 map
= Fget_text_property (make_number (glyph
->charpos
),
6518 Qlocal_map
, glyph
->object
);
6520 cursor
= f
->output_data
.w32
->nontext_cursor
;
6523 map
= Fget_text_property (make_number (glyph
->charpos
),
6524 Qkeymap
, glyph
->object
);
6526 cursor
= f
->output_data
.w32
->nontext_cursor
;
6531 #if 0 /* TODO: mouse cursor */
6532 XDefineCursor (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), cursor
);
6537 /* Take proper action when the mouse has moved to position X, Y on
6538 frame F as regards highlighting characters that have mouse-face
6539 properties. Also de-highlighting chars where the mouse was before.
6540 X and Y can be negative or out of range. */
6543 note_mouse_highlight (f
, x
, y
)
6547 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6553 /* When a menu is active, don't highlight because this looks odd. */
6554 if (popup_activated ())
6557 if (NILP (Vmouse_highlight
)
6558 || !f
->glyphs_initialized_p
)
6561 dpyinfo
->mouse_face_mouse_x
= x
;
6562 dpyinfo
->mouse_face_mouse_y
= y
;
6563 dpyinfo
->mouse_face_mouse_frame
= f
;
6565 if (dpyinfo
->mouse_face_defer
)
6570 dpyinfo
->mouse_face_deferred_gc
= 1;
6574 /* Which window is that in? */
6575 window
= window_from_coordinates (f
, x
, y
, &portion
, 1);
6577 /* If we were displaying active text in another window, clear that. */
6578 if (! EQ (window
, dpyinfo
->mouse_face_window
))
6579 clear_mouse_face (dpyinfo
);
6581 /* Not on a window -> return. */
6582 if (!WINDOWP (window
))
6585 /* Reset help_echo. It will get recomputed below. */
6588 /* Convert to window-relative pixel coordinates. */
6589 w
= XWINDOW (window
);
6590 frame_to_window_pixel_xy (w
, &x
, &y
);
6592 /* Handle tool-bar window differently since it doesn't display a
6594 if (EQ (window
, f
->tool_bar_window
))
6596 note_tool_bar_highlight (f
, x
, y
);
6600 /* Mouse is on the mode or header line? */
6601 if (portion
== 1 || portion
== 3)
6603 note_mode_line_highlight (w
, x
, portion
== 1);
6606 #if 0 /* TODO: mouse cursor */
6608 cursor
= f
->output_data
.x
->horizontal_drag_cursor
;
6610 cursor
= f
->output_data
.x
->text_cursor
;
6612 /* Are we in a window whose display is up to date?
6613 And verify the buffer's text has not changed. */
6614 b
= XBUFFER (w
->buffer
);
6615 if (/* Within text portion of the window. */
6617 && EQ (w
->window_end_valid
, w
->buffer
)
6618 && XFASTINT (w
->last_modified
) == BUF_MODIFF (b
)
6619 && XFASTINT (w
->last_overlay_modified
) == BUF_OVERLAY_MODIFF (b
))
6621 int hpos
, vpos
, pos
, i
, area
;
6622 struct glyph
*glyph
;
6624 Lisp_Object mouse_face
= Qnil
, overlay
= Qnil
, position
;
6625 Lisp_Object
*overlay_vec
= NULL
;
6627 struct buffer
*obuf
;
6628 int obegv
, ozv
, same_region
;
6630 /* Find the glyph under X/Y. */
6631 glyph
= x_y_to_hpos_vpos (w
, x
, y
, &hpos
, &vpos
, &area
, 0);
6633 /* Clear mouse face if X/Y not over text. */
6635 || area
!= TEXT_AREA
6636 || !MATRIX_ROW (w
->current_matrix
, vpos
)->displays_text_p
)
6638 clear_mouse_face (dpyinfo
);
6639 /* TODO: mouse cursor */
6643 pos
= glyph
->charpos
;
6644 object
= glyph
->object
;
6645 if (!STRINGP (object
) && !BUFFERP (object
))
6648 /* If we get an out-of-range value, return now; avoid an error. */
6649 if (BUFFERP (object
) && pos
> BUF_Z (b
))
6652 /* Make the window's buffer temporarily current for
6653 overlays_at and compute_char_face. */
6654 obuf
= current_buffer
;
6661 /* Is this char mouse-active or does it have help-echo? */
6662 position
= make_number (pos
);
6664 if (BUFFERP (object
))
6666 /* Put all the overlays we want in a vector in overlay_vec.
6667 Store the length in len. If there are more than 10, make
6668 enough space for all, and try again. */
6670 overlay_vec
= (Lisp_Object
*) alloca (len
* sizeof (Lisp_Object
));
6671 noverlays
= overlays_at (pos
, 0, &overlay_vec
, &len
, NULL
, NULL
, 0);
6672 if (noverlays
> len
)
6675 overlay_vec
= (Lisp_Object
*) alloca (len
* sizeof (Lisp_Object
));
6676 noverlays
= overlays_at (pos
, 0, &overlay_vec
, &len
, NULL
, NULL
,0);
6679 /* Sort overlays into increasing priority order. */
6680 noverlays
= sort_overlays (overlay_vec
, noverlays
, w
);
6685 same_region
= (EQ (window
, dpyinfo
->mouse_face_window
)
6686 && vpos
>= dpyinfo
->mouse_face_beg_row
6687 && vpos
<= dpyinfo
->mouse_face_end_row
6688 && (vpos
> dpyinfo
->mouse_face_beg_row
6689 || hpos
>= dpyinfo
->mouse_face_beg_col
)
6690 && (vpos
< dpyinfo
->mouse_face_end_row
6691 || hpos
< dpyinfo
->mouse_face_end_col
6692 || dpyinfo
->mouse_face_past_end
));
6694 /* TODO: if (same_region)
6697 /* Check mouse-face highlighting. */
6699 /* If there exists an overlay with mouse-face overlapping
6700 the one we are currently highlighting, we have to
6701 check if we enter the overlapping overlay, and then
6703 || (OVERLAYP (dpyinfo
->mouse_face_overlay
)
6704 && mouse_face_overlay_overlaps (dpyinfo
->mouse_face_overlay
)))
6706 /* Find the highest priority overlay that has a mouse-face
6709 for (i
= noverlays
- 1; i
>= 0 && NILP (overlay
); --i
)
6711 mouse_face
= Foverlay_get (overlay_vec
[i
], Qmouse_face
);
6712 if (!NILP (mouse_face
))
6713 overlay
= overlay_vec
[i
];
6716 /* If we're actually highlighting the same overlay as
6717 before, there's no need to do that again. */
6719 && EQ (overlay
, dpyinfo
->mouse_face_overlay
))
6720 goto check_help_echo
;
6722 dpyinfo
->mouse_face_overlay
= overlay
;
6724 /* Clear the display of the old active region, if any. */
6725 clear_mouse_face (dpyinfo
);
6726 /* TODO: mouse cursor changes. */
6728 /* If no overlay applies, get a text property. */
6730 mouse_face
= Fget_text_property (position
, Qmouse_face
, object
);
6732 /* Handle the overlay case. */
6733 if (!NILP (overlay
))
6735 /* Find the range of text around this char that
6736 should be active. */
6737 Lisp_Object before
, after
;
6740 before
= Foverlay_start (overlay
);
6741 after
= Foverlay_end (overlay
);
6742 /* Record this as the current active region. */
6743 fast_find_position (w
, XFASTINT (before
),
6744 &dpyinfo
->mouse_face_beg_col
,
6745 &dpyinfo
->mouse_face_beg_row
,
6746 &dpyinfo
->mouse_face_beg_x
,
6747 &dpyinfo
->mouse_face_beg_y
, Qnil
);
6749 dpyinfo
->mouse_face_past_end
6750 = !fast_find_position (w
, XFASTINT (after
),
6751 &dpyinfo
->mouse_face_end_col
,
6752 &dpyinfo
->mouse_face_end_row
,
6753 &dpyinfo
->mouse_face_end_x
,
6754 &dpyinfo
->mouse_face_end_y
, Qnil
);
6755 dpyinfo
->mouse_face_window
= window
;
6757 dpyinfo
->mouse_face_face_id
6758 = face_at_buffer_position (w
, pos
, 0, 0,
6759 &ignore
, pos
+ 1, 1);
6761 /* Display it as active. */
6762 show_mouse_face (dpyinfo
, DRAW_MOUSE_FACE
);
6763 /* TODO: mouse cursor changes. */
6765 /* Handle the text property case. */
6766 else if (! NILP (mouse_face
) && BUFFERP (object
))
6768 /* Find the range of text around this char that
6769 should be active. */
6770 Lisp_Object before
, after
, beginning
, end
;
6773 beginning
= Fmarker_position (w
->start
);
6774 end
= make_number (BUF_Z (XBUFFER (object
))
6775 - XFASTINT (w
->window_end_pos
));
6777 = Fprevious_single_property_change (make_number (pos
+ 1),
6781 = Fnext_single_property_change (position
, Qmouse_face
,
6784 /* Record this as the current active region. */
6785 fast_find_position (w
, XFASTINT (before
),
6786 &dpyinfo
->mouse_face_beg_col
,
6787 &dpyinfo
->mouse_face_beg_row
,
6788 &dpyinfo
->mouse_face_beg_x
,
6789 &dpyinfo
->mouse_face_beg_y
, Qnil
);
6790 dpyinfo
->mouse_face_past_end
6791 = !fast_find_position (w
, XFASTINT (after
),
6792 &dpyinfo
->mouse_face_end_col
,
6793 &dpyinfo
->mouse_face_end_row
,
6794 &dpyinfo
->mouse_face_end_x
,
6795 &dpyinfo
->mouse_face_end_y
, Qnil
);
6796 dpyinfo
->mouse_face_window
= window
;
6798 if (BUFFERP (object
))
6799 dpyinfo
->mouse_face_face_id
6800 = face_at_buffer_position (w
, pos
, 0, 0,
6801 &ignore
, pos
+ 1, 1);
6803 /* Display it as active. */
6804 show_mouse_face (dpyinfo
, DRAW_MOUSE_FACE
);
6805 /* TODO: mouse cursor changes. */
6807 else if (!NILP (mouse_face
) && STRINGP (object
))
6812 b
= Fprevious_single_property_change (make_number (pos
+ 1),
6815 e
= Fnext_single_property_change (position
, Qmouse_face
,
6818 b
= make_number (0);
6820 e
= make_number (XSTRING (object
)->size
- 1);
6821 fast_find_string_pos (w
, XINT (b
), object
,
6822 &dpyinfo
->mouse_face_beg_col
,
6823 &dpyinfo
->mouse_face_beg_row
,
6824 &dpyinfo
->mouse_face_beg_x
,
6825 &dpyinfo
->mouse_face_beg_y
, 0);
6826 fast_find_string_pos (w
, XINT (e
), object
,
6827 &dpyinfo
->mouse_face_end_col
,
6828 &dpyinfo
->mouse_face_end_row
,
6829 &dpyinfo
->mouse_face_end_x
,
6830 &dpyinfo
->mouse_face_end_y
, 1);
6831 dpyinfo
->mouse_face_past_end
= 0;
6832 dpyinfo
->mouse_face_window
= window
;
6833 dpyinfo
->mouse_face_face_id
6834 = face_at_string_position (w
, object
, pos
, 0, 0, 0, &ignore
,
6836 show_mouse_face (dpyinfo
, DRAW_MOUSE_FACE
);
6837 /* TODO: mouse cursor changes. */
6839 else if (STRINGP (object
) && NILP (mouse_face
))
6841 /* A string which doesn't have mouse-face, but
6842 the text ``under'' it might have. */
6843 struct glyph_row
*r
= MATRIX_ROW (w
->current_matrix
, vpos
);
6844 int start
= MATRIX_ROW_START_CHARPOS (r
);
6846 pos
= string_buffer_position (w
, object
, start
);
6848 mouse_face
= get_char_property_and_overlay (make_number (pos
),
6852 if (!NILP (mouse_face
) && !NILP (overlay
))
6854 Lisp_Object before
= Foverlay_start (overlay
);
6855 Lisp_Object after
= Foverlay_end (overlay
);
6858 /* Note that we might not be able to find position
6859 BEFORE in the glyph matrix if the overlay is
6860 entirely covered by a `display' property. In
6861 this case, we overshoot. So let's stop in
6862 the glyph matrix before glyphs for OBJECT. */
6863 fast_find_position (w
, XFASTINT (before
),
6864 &dpyinfo
->mouse_face_beg_col
,
6865 &dpyinfo
->mouse_face_beg_row
,
6866 &dpyinfo
->mouse_face_beg_x
,
6867 &dpyinfo
->mouse_face_beg_y
,
6870 dpyinfo
->mouse_face_past_end
6871 = !fast_find_position (w
, XFASTINT (after
),
6872 &dpyinfo
->mouse_face_end_col
,
6873 &dpyinfo
->mouse_face_end_row
,
6874 &dpyinfo
->mouse_face_end_x
,
6875 &dpyinfo
->mouse_face_end_y
,
6877 dpyinfo
->mouse_face_window
= window
;
6878 dpyinfo
->mouse_face_face_id
6879 = face_at_buffer_position (w
, pos
, 0, 0,
6880 &ignore
, pos
+ 1, 1);
6882 /* Display it as active. */
6883 show_mouse_face (dpyinfo
, DRAW_MOUSE_FACE
);
6884 /* TODO: mouse cursor changes. */
6891 /* Look for a `help-echo' property. */
6893 Lisp_Object help
, overlay
;
6895 /* Check overlays first. */
6896 help
= overlay
= Qnil
;
6897 for (i
= noverlays
- 1; i
>= 0 && NILP (help
); --i
)
6899 overlay
= overlay_vec
[i
];
6900 help
= Foverlay_get (overlay
, Qhelp_echo
);
6906 help_echo_window
= window
;
6907 help_echo_object
= overlay
;
6908 help_echo_pos
= pos
;
6912 Lisp_Object object
= glyph
->object
;
6913 int charpos
= glyph
->charpos
;
6915 /* Try text properties. */
6916 if (STRINGP (object
)
6918 && charpos
< XSTRING (object
)->size
)
6920 help
= Fget_text_property (make_number (charpos
),
6921 Qhelp_echo
, object
);
6924 /* If the string itself doesn't specify a help-echo,
6925 see if the buffer text ``under'' it does. */
6927 = MATRIX_ROW (w
->current_matrix
, vpos
);
6928 int start
= MATRIX_ROW_START_CHARPOS (r
);
6929 int pos
= string_buffer_position (w
, object
, start
);
6932 help
= Fget_char_property (make_number (pos
),
6933 Qhelp_echo
, w
->buffer
);
6942 else if (BUFFERP (object
)
6945 help
= Fget_text_property (make_number (charpos
), Qhelp_echo
,
6951 help_echo_window
= window
;
6952 help_echo_object
= object
;
6953 help_echo_pos
= charpos
;
6960 current_buffer
= obuf
;
6964 /* TODO: mouse cursor changes. */
6969 redo_mouse_highlight ()
6971 if (!NILP (last_mouse_motion_frame
)
6972 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
6973 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
6974 LOWORD (last_mouse_motion_event
.lParam
),
6975 HIWORD (last_mouse_motion_event
.lParam
));
6980 /***********************************************************************
6982 ***********************************************************************/
6984 static int x_tool_bar_item
P_ ((struct frame
*, int, int,
6985 struct glyph
**, int *, int *, int *));
6987 /* Tool-bar item index of the item on which a mouse button was pressed
6990 static int last_tool_bar_item
;
6993 /* Get information about the tool-bar item at position X/Y on frame F.
6994 Return in *GLYPH a pointer to the glyph of the tool-bar item in
6995 the current matrix of the tool-bar window of F, or NULL if not
6996 on a tool-bar item. Return in *PROP_IDX the index of the tool-bar
6997 item in F->tool_bar_items. Value is
6999 -1 if X/Y is not on a tool-bar item
7000 0 if X/Y is on the same item that was highlighted before.
7004 x_tool_bar_item (f
, x
, y
, glyph
, hpos
, vpos
, prop_idx
)
7007 struct glyph
**glyph
;
7008 int *hpos
, *vpos
, *prop_idx
;
7010 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
7011 struct window
*w
= XWINDOW (f
->tool_bar_window
);
7014 /* Find the glyph under X/Y. */
7015 *glyph
= x_y_to_hpos_vpos (w
, x
, y
, hpos
, vpos
, &area
, 0);
7019 /* Get the start of this tool-bar item's properties in
7020 f->tool_bar_items. */
7021 if (!tool_bar_item_info (f
, *glyph
, prop_idx
))
7024 /* Is mouse on the highlighted item? */
7025 if (EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
)
7026 && *vpos
>= dpyinfo
->mouse_face_beg_row
7027 && *vpos
<= dpyinfo
->mouse_face_end_row
7028 && (*vpos
> dpyinfo
->mouse_face_beg_row
7029 || *hpos
>= dpyinfo
->mouse_face_beg_col
)
7030 && (*vpos
< dpyinfo
->mouse_face_end_row
7031 || *hpos
< dpyinfo
->mouse_face_end_col
7032 || dpyinfo
->mouse_face_past_end
))
7039 /* Handle mouse button event on the tool-bar of frame F, at
7040 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
7044 w32_handle_tool_bar_click (f
, button_event
)
7046 struct input_event
*button_event
;
7048 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
7049 struct window
*w
= XWINDOW (f
->tool_bar_window
);
7050 int hpos
, vpos
, prop_idx
;
7051 struct glyph
*glyph
;
7052 Lisp_Object enabled_p
;
7053 int x
= XFASTINT (button_event
->x
);
7054 int y
= XFASTINT (button_event
->y
);
7056 /* If not on the highlighted tool-bar item, return. */
7057 frame_to_window_pixel_xy (w
, &x
, &y
);
7058 if (x_tool_bar_item (f
, x
, y
, &glyph
, &hpos
, &vpos
, &prop_idx
) != 0)
7061 /* If item is disabled, do nothing. */
7062 enabled_p
= AREF (f
->tool_bar_items
, prop_idx
+ TOOL_BAR_ITEM_ENABLED_P
);
7063 if (NILP (enabled_p
))
7066 if (button_event
->kind
== mouse_click
)
7068 /* Show item in pressed state. */
7069 show_mouse_face (dpyinfo
, DRAW_IMAGE_SUNKEN
);
7070 dpyinfo
->mouse_face_image_state
= DRAW_IMAGE_SUNKEN
;
7071 last_tool_bar_item
= prop_idx
;
7075 Lisp_Object key
, frame
;
7076 struct input_event event
;
7078 /* Show item in released state. */
7079 show_mouse_face (dpyinfo
, DRAW_IMAGE_RAISED
);
7080 dpyinfo
->mouse_face_image_state
= DRAW_IMAGE_RAISED
;
7082 key
= AREF (f
->tool_bar_items
, prop_idx
+ TOOL_BAR_ITEM_KEY
);
7084 XSETFRAME (frame
, f
);
7085 event
.kind
= TOOL_BAR_EVENT
;
7086 event
.frame_or_window
= frame
;
7088 kbd_buffer_store_event (&event
);
7090 event
.kind
= TOOL_BAR_EVENT
;
7091 event
.frame_or_window
= frame
;
7093 event
.modifiers
= button_event
->modifiers
;
7094 kbd_buffer_store_event (&event
);
7095 last_tool_bar_item
= -1;
7100 /* Possibly highlight a tool-bar item on frame F when mouse moves to
7101 tool-bar window-relative coordinates X/Y. Called from
7102 note_mouse_highlight. */
7105 note_tool_bar_highlight (f
, x
, y
)
7109 Lisp_Object window
= f
->tool_bar_window
;
7110 struct window
*w
= XWINDOW (window
);
7111 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
7113 struct glyph
*glyph
;
7114 struct glyph_row
*row
;
7116 Lisp_Object enabled_p
;
7118 enum draw_glyphs_face draw
= DRAW_IMAGE_RAISED
;
7119 int mouse_down_p
, rc
;
7121 /* Function note_mouse_highlight is called with negative x(y
7122 values when mouse moves outside of the frame. */
7123 if (x
<= 0 || y
<= 0)
7125 clear_mouse_face (dpyinfo
);
7129 rc
= x_tool_bar_item (f
, x
, y
, &glyph
, &hpos
, &vpos
, &prop_idx
);
7132 /* Not on tool-bar item. */
7133 clear_mouse_face (dpyinfo
);
7137 /* On same tool-bar item as before. */
7140 clear_mouse_face (dpyinfo
);
7142 /* Mouse is down, but on different tool-bar item? */
7143 mouse_down_p
= (dpyinfo
->grabbed
7144 && f
== last_mouse_frame
7145 && FRAME_LIVE_P (f
));
7147 && last_tool_bar_item
!= prop_idx
)
7150 dpyinfo
->mouse_face_image_state
= DRAW_NORMAL_TEXT
;
7151 draw
= mouse_down_p
? DRAW_IMAGE_SUNKEN
: DRAW_IMAGE_RAISED
;
7153 /* If tool-bar item is not enabled, don't highlight it. */
7154 enabled_p
= AREF (f
->tool_bar_items
, prop_idx
+ TOOL_BAR_ITEM_ENABLED_P
);
7155 if (!NILP (enabled_p
))
7157 /* Compute the x-position of the glyph. In front and past the
7158 image is a space. We include this is the highlighted area. */
7159 row
= MATRIX_ROW (w
->current_matrix
, vpos
);
7160 for (i
= x
= 0; i
< hpos
; ++i
)
7161 x
+= row
->glyphs
[TEXT_AREA
][i
].pixel_width
;
7163 /* Record this as the current active region. */
7164 dpyinfo
->mouse_face_beg_col
= hpos
;
7165 dpyinfo
->mouse_face_beg_row
= vpos
;
7166 dpyinfo
->mouse_face_beg_x
= x
;
7167 dpyinfo
->mouse_face_beg_y
= row
->y
;
7168 dpyinfo
->mouse_face_past_end
= 0;
7170 dpyinfo
->mouse_face_end_col
= hpos
+ 1;
7171 dpyinfo
->mouse_face_end_row
= vpos
;
7172 dpyinfo
->mouse_face_end_x
= x
+ glyph
->pixel_width
;
7173 dpyinfo
->mouse_face_end_y
= row
->y
;
7174 dpyinfo
->mouse_face_window
= window
;
7175 dpyinfo
->mouse_face_face_id
= TOOL_BAR_FACE_ID
;
7177 /* Display it as active. */
7178 show_mouse_face (dpyinfo
, draw
);
7179 dpyinfo
->mouse_face_image_state
= draw
;
7184 /* Set help_echo to a help string.to display for this tool-bar item.
7185 w32_read_socket does the rest. */
7186 help_echo_object
= help_echo_window
= Qnil
;
7188 help_echo
= AREF (f
->tool_bar_items
, prop_idx
+ TOOL_BAR_ITEM_HELP
);
7189 if (NILP (help_echo
))
7190 help_echo
= AREF (f
->tool_bar_items
, prop_idx
+ TOOL_BAR_ITEM_CAPTION
);
7195 /* Find the glyph matrix position of buffer position CHARPOS in window
7196 *W. HPOS, *VPOS, *X, and *Y are set to the positions found. W's
7197 current glyphs must be up to date. If CHARPOS is above window
7198 start return (0, 0, 0, 0). If CHARPOS is after end of W, return end
7199 of last line in W. In the row containing CHARPOS, stop before glyphs
7200 having STOP as object. */
7202 #if 0 /* This is a version of fast_find_position that's more correct
7203 in the presence of hscrolling, for example. I didn't install
7204 it right away because the problem fixed is minor, it failed
7205 in 20.x as well, and I think it's too risky to install
7206 so near the release of 21.1. 2001-09-25 gerd. */
7209 fast_find_position (w
, charpos
, hpos
, vpos
, x
, y
, stop
)
7212 int *hpos
, *vpos
, *x
, *y
;
7215 struct glyph_row
*row
, *first
;
7216 struct glyph
*glyph
, *end
;
7217 int i
, past_end
= 0;
7219 first
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
7220 row
= row_containing_pos (w
, charpos
, first
, NULL
, 0);
7223 if (charpos
< MATRIX_ROW_START_CHARPOS (first
))
7225 *x
= *y
= *hpos
= *vpos
= 0;
7230 row
= MATRIX_ROW (w
->current_matrix
, XFASTINT (w
->window_end_vpos
));
7237 *vpos
= MATRIX_ROW_VPOS (row
, w
->current_matrix
);
7239 glyph
= row
->glyphs
[TEXT_AREA
];
7240 end
= glyph
+ row
->used
[TEXT_AREA
];
7242 /* Skip over glyphs not having an object at the start of the row.
7243 These are special glyphs like truncation marks on terminal
7245 if (row
->displays_text_p
)
7247 && INTEGERP (glyph
->object
)
7248 && !EQ (stop
, glyph
->object
)
7249 && glyph
->charpos
< 0)
7251 *x
+= glyph
->pixel_width
;
7256 && !INTEGERP (glyph
->object
)
7257 && !EQ (stop
, glyph
->object
)
7258 && (!BUFFERP (glyph
->object
)
7259 || glyph
->charpos
< charpos
))
7261 *x
+= glyph
->pixel_width
;
7265 *hpos
= glyph
- row
->glyphs
[TEXT_AREA
];
7272 fast_find_position (w
, pos
, hpos
, vpos
, x
, y
, stop
)
7275 int *hpos
, *vpos
, *x
, *y
;
7280 int maybe_next_line_p
= 0;
7281 int line_start_position
;
7282 int yb
= window_text_bottom_y (w
);
7283 struct glyph_row
*row
, *best_row
;
7284 int row_vpos
, best_row_vpos
;
7287 row
= best_row
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
7288 row_vpos
= best_row_vpos
= MATRIX_ROW_VPOS (row
, w
->current_matrix
);
7292 if (row
->used
[TEXT_AREA
])
7293 line_start_position
= row
->glyphs
[TEXT_AREA
]->charpos
;
7295 line_start_position
= 0;
7297 if (line_start_position
> pos
)
7299 /* If the position sought is the end of the buffer,
7300 don't include the blank lines at the bottom of the window. */
7301 else if (line_start_position
== pos
7302 && pos
== BUF_ZV (XBUFFER (w
->buffer
)))
7304 maybe_next_line_p
= 1;
7307 else if (line_start_position
> 0)
7310 best_row_vpos
= row_vpos
;
7313 if (row
->y
+ row
->height
>= yb
)
7320 /* Find the right column within BEST_ROW. */
7322 current_x
= best_row
->x
;
7323 for (i
= 0; i
< best_row
->used
[TEXT_AREA
]; i
++)
7325 struct glyph
*glyph
= best_row
->glyphs
[TEXT_AREA
] + i
;
7326 int charpos
= glyph
->charpos
;
7328 if (BUFFERP (glyph
->object
))
7333 *vpos
= best_row_vpos
;
7338 else if (charpos
> pos
)
7341 else if (EQ (glyph
->object
, stop
))
7346 current_x
+= glyph
->pixel_width
;
7349 /* If we're looking for the end of the buffer,
7350 and we didn't find it in the line we scanned,
7351 use the start of the following line. */
7352 if (maybe_next_line_p
)
7357 current_x
= best_row
->x
;
7360 *vpos
= best_row_vpos
;
7361 *hpos
= lastcol
+ 1;
7370 /* Find the position of the glyph for position POS in OBJECT in
7371 window W's current matrix, and return in *X/*Y the pixel
7372 coordinates, and return in *HPOS/*VPOS the column/row of the glyph.
7374 RIGHT_P non-zero means return the position of the right edge of the
7375 glyph, RIGHT_P zero means return the left edge position.
7377 If no glyph for POS exists in the matrix, return the position of
7378 the glyph with the next smaller position that is in the matrix, if
7379 RIGHT_P is zero. If RIGHT_P is non-zero, and no glyph for POS
7380 exists in the matrix, return the position of the glyph with the
7381 next larger position in OBJECT.
7383 Value is non-zero if a glyph was found. */
7386 fast_find_string_pos (w
, pos
, object
, hpos
, vpos
, x
, y
, right_p
)
7390 int *hpos
, *vpos
, *x
, *y
;
7393 int yb
= window_text_bottom_y (w
);
7394 struct glyph_row
*r
;
7395 struct glyph
*best_glyph
= NULL
;
7396 struct glyph_row
*best_row
= NULL
;
7399 for (r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
7400 r
->enabled_p
&& r
->y
< yb
;
7403 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
7404 struct glyph
*e
= g
+ r
->used
[TEXT_AREA
];
7407 for (gx
= r
->x
; g
< e
; gx
+= g
->pixel_width
, ++g
)
7408 if (EQ (g
->object
, object
))
7410 if (g
->charpos
== pos
)
7417 else if (best_glyph
== NULL
7418 || ((abs (g
->charpos
- pos
)
7419 < abs (best_glyph
->charpos
- pos
))
7422 : g
->charpos
> pos
)))
7436 *hpos
= best_glyph
- best_row
->glyphs
[TEXT_AREA
];
7440 *x
+= best_glyph
->pixel_width
;
7445 *vpos
= best_row
- w
->current_matrix
->rows
;
7448 return best_glyph
!= NULL
;
7452 /* Display the active region described by mouse_face_*
7453 in its mouse-face if HL > 0, in its normal face if HL = 0. */
7456 show_mouse_face (dpyinfo
, draw
)
7457 struct w32_display_info
*dpyinfo
;
7458 enum draw_glyphs_face draw
;
7460 struct window
*w
= XWINDOW (dpyinfo
->mouse_face_window
);
7461 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
7463 if (/* If window is in the process of being destroyed, don't bother
7465 w
->current_matrix
!= NULL
7466 /* Don't update mouse highlight if hidden */
7467 && (draw
!= DRAW_MOUSE_FACE
|| !dpyinfo
->mouse_face_hidden
)
7468 /* Recognize when we are called to operate on rows that don't exist
7469 anymore. This can happen when a window is split. */
7470 && dpyinfo
->mouse_face_end_row
< w
->current_matrix
->nrows
)
7472 int phys_cursor_on_p
= w
->phys_cursor_on_p
;
7473 struct glyph_row
*row
, *first
, *last
;
7475 first
= MATRIX_ROW (w
->current_matrix
, dpyinfo
->mouse_face_beg_row
);
7476 last
= MATRIX_ROW (w
->current_matrix
, dpyinfo
->mouse_face_end_row
);
7478 for (row
= first
; row
<= last
&& row
->enabled_p
; ++row
)
7480 int start_hpos
, end_hpos
, start_x
;
7482 /* For all but the first row, the highlight starts at column 0. */
7485 start_hpos
= dpyinfo
->mouse_face_beg_col
;
7486 start_x
= dpyinfo
->mouse_face_beg_x
;
7495 end_hpos
= dpyinfo
->mouse_face_end_col
;
7497 end_hpos
= row
->used
[TEXT_AREA
];
7499 if (end_hpos
> start_hpos
)
7501 x_draw_glyphs (w
, start_x
, row
, TEXT_AREA
,
7502 start_hpos
, end_hpos
, draw
, 0);
7505 = draw
== DRAW_MOUSE_FACE
|| draw
== DRAW_IMAGE_RAISED
;
7509 /* When we've written over the cursor, arrange for it to
7510 be displayed again. */
7511 if (phys_cursor_on_p
&& !w
->phys_cursor_on_p
)
7512 x_display_cursor (w
, 1,
7513 w
->phys_cursor
.hpos
, w
->phys_cursor
.vpos
,
7514 w
->phys_cursor
.x
, w
->phys_cursor
.y
);
7517 #if 0 /* TODO: mouse cursor */
7518 /* Change the mouse cursor. */
7519 if (draw
== DRAW_NORMAL_TEXT
)
7520 XDefineCursor (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
7521 f
->output_data
.x
->text_cursor
);
7522 else if (draw
== DRAW_MOUSE_FACE
)
7523 XDefineCursor (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
7524 f
->output_data
.x
->cross_cursor
);
7526 XDefineCursor (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
7527 f
->output_data
.x
->nontext_cursor
);
7531 /* Clear out the mouse-highlighted active region.
7532 Redraw it un-highlighted first. */
7535 clear_mouse_face (dpyinfo
)
7536 struct w32_display_info
*dpyinfo
;
7540 if (! NILP (dpyinfo
->mouse_face_window
))
7542 show_mouse_face (dpyinfo
, DRAW_NORMAL_TEXT
);
7546 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
7547 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
7548 dpyinfo
->mouse_face_window
= Qnil
;
7549 dpyinfo
->mouse_face_overlay
= Qnil
;
7554 /* Clear any mouse-face on window W. This function is part of the
7555 redisplay interface, and is called from try_window_id and similar
7556 functions to ensure the mouse-highlight is off. */
7559 x_clear_mouse_face (w
)
7562 struct w32_display_info
*dpyinfo
7563 = FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
7567 XSETWINDOW (window
, w
);
7568 if (EQ (window
, dpyinfo
->mouse_face_window
))
7569 clear_mouse_face (dpyinfo
);
7574 /* Just discard the mouse face information for frame F, if any.
7575 This is used when the size of F is changed. */
7578 cancel_mouse_face (f
)
7582 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
7584 window
= dpyinfo
->mouse_face_window
;
7585 if (! NILP (window
) && XFRAME (XWINDOW (window
)->frame
) == f
)
7587 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
7588 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
7589 dpyinfo
->mouse_face_window
= Qnil
;
7593 static struct scroll_bar
*x_window_to_scroll_bar ();
7594 static void x_scroll_bar_report_motion ();
7595 static void x_check_fullscreen
P_ ((struct frame
*));
7596 static void x_check_fullscreen_move
P_ ((struct frame
*));
7597 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
7600 /* Try to determine frame pixel position and size of the glyph under
7601 frame pixel coordinates X/Y on frame F . Return the position and
7602 size in *RECT. Value is non-zero if we could compute these
7606 glyph_rect (f
, x
, y
, rect
)
7612 int part
, found
= 0;
7614 window
= window_from_coordinates (f
, x
, y
, &part
, 0);
7617 struct window
*w
= XWINDOW (window
);
7618 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
7619 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
7621 frame_to_window_pixel_xy (w
, &x
, &y
);
7623 for (; !found
&& r
< end
&& r
->enabled_p
; ++r
)
7624 if (r
->y
+ r
->height
>= y
)
7626 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
7627 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
7630 for (gx
= r
->x
; !found
&& g
< end
; gx
+= g
->pixel_width
, ++g
)
7631 if (gx
+ g
->pixel_width
>= x
)
7633 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
7634 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
7635 rect
->right
= rect
->left
+ g
->pixel_width
;
7636 rect
->bottom
= rect
->top
+ r
->height
;
7645 /* Record the position of the mouse in last_mouse_glyph. */
7647 remember_mouse_glyph (f1
, gx
, gy
)
7651 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
7653 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
7654 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
7656 /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to
7657 round down even for negative values. */
7663 /* This was the original code from XTmouse_position, but it seems
7664 to give the position of the glyph diagonally next to the one
7665 the mouse is over. */
7666 gx
= (gx
+ width
- 1) / width
* width
;
7667 gy
= (gy
+ height
- 1) / height
* height
;
7669 gx
= gx
/ width
* width
;
7670 gy
= gy
/ height
* height
;
7673 last_mouse_glyph
.left
= gx
;
7674 last_mouse_glyph
.top
= gy
;
7675 last_mouse_glyph
.right
= gx
+ width
;
7676 last_mouse_glyph
.bottom
= gy
+ height
;
7680 /* Return the current position of the mouse.
7681 *fp should be a frame which indicates which display to ask about.
7683 If the mouse movement started in a scroll bar, set *fp, *bar_window,
7684 and *part to the frame, window, and scroll bar part that the mouse
7685 is over. Set *x and *y to the portion and whole of the mouse's
7686 position on the scroll bar.
7688 If the mouse movement started elsewhere, set *fp to the frame the
7689 mouse is on, *bar_window to nil, and *x and *y to the character cell
7692 Set *time to the server time-stamp for the time at which the mouse
7693 was at this position.
7695 Don't store anything if we don't have a valid set of values to report.
7697 This clears the mouse_moved flag, so we can wait for the next mouse
7701 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
7704 Lisp_Object
*bar_window
;
7705 enum scroll_bar_part
*part
;
7707 unsigned long *time
;
7713 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
7714 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
7719 Lisp_Object frame
, tail
;
7721 /* Clear the mouse-moved flag for every frame on this display. */
7722 FOR_EACH_FRAME (tail
, frame
)
7723 XFRAME (frame
)->mouse_moved
= 0;
7725 last_mouse_scroll_bar
= Qnil
;
7729 /* Now we have a position on the root; find the innermost window
7730 containing the pointer. */
7732 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
7733 && FRAME_LIVE_P (last_mouse_frame
))
7735 /* If mouse was grabbed on a frame, give coords for that frame
7736 even if the mouse is now outside it. */
7737 f1
= last_mouse_frame
;
7741 /* Is window under mouse one of our frames? */
7742 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
7743 WindowFromPoint (pt
));
7746 /* If not, is it one of our scroll bars? */
7749 struct scroll_bar
*bar
7750 = x_window_to_scroll_bar (WindowFromPoint (pt
));
7754 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
7758 if (f1
== 0 && insist
> 0)
7759 f1
= SELECTED_FRAME ();
7763 /* Ok, we found a frame. Store all the values.
7764 last_mouse_glyph is a rectangle used to reduce the
7765 generation of mouse events. To not miss any motion
7766 events, we must divide the frame into rectangles of the
7767 size of the smallest character that could be displayed
7768 on it, i.e. into the same rectangles that matrices on
7769 the frame are divided into. */
7771 #if OLD_REDISPLAY_CODE
7772 int ignore1
, ignore2
;
7774 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
7776 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
7778 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
7781 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
7782 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
7790 *time
= last_mouse_movement_time
;
7799 /* Scroll bar support. */
7801 /* Given a window ID, find the struct scroll_bar which manages it.
7802 This can be called in GC, so we have to make sure to strip off mark
7805 static struct scroll_bar
*
7806 x_window_to_scroll_bar (window_id
)
7811 for (tail
= Vframe_list
;
7812 XGCTYPE (tail
) == Lisp_Cons
;
7815 Lisp_Object frame
, bar
, condemned
;
7817 frame
= XCAR (tail
);
7818 /* All elements of Vframe_list should be frames. */
7819 if (! GC_FRAMEP (frame
))
7822 /* Scan this frame's scroll bar list for a scroll bar with the
7824 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
7825 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
7826 /* This trick allows us to search both the ordinary and
7827 condemned scroll bar lists with one loop. */
7828 ! GC_NILP (bar
) || (bar
= condemned
,
7831 bar
= XSCROLL_BAR (bar
)->next
)
7832 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
7833 return XSCROLL_BAR (bar
);
7841 /* Set the thumb size and position of scroll bar BAR. We are currently
7842 displaying PORTION out of a whole WHOLE, and our position POSITION. */
7845 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
7846 struct scroll_bar
*bar
;
7847 int portion
, position
, whole
;
7849 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
7850 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
7851 int sb_page
, sb_pos
;
7852 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
7856 /* Position scroll bar at rock bottom if the bottom of the
7857 buffer is visible. This avoids shinking the thumb away
7858 to nothing if it is held at the bottom of the buffer. */
7859 if (position
+ portion
>= whole
)
7861 sb_page
= range
* (whole
- position
) / whole
7862 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
7866 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
7867 sb_pos
= position
* range
/ whole
;
7877 if (pfnSetScrollInfo
)
7881 si
.cbSize
= sizeof (si
);
7882 /* Only update page size if currently dragging, to reduce
7885 si
.fMask
= SIF_PAGE
;
7887 si
.fMask
= SIF_PAGE
| SIF_POS
;
7891 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
7894 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
7900 /************************************************************************
7901 Scroll bars, general
7902 ************************************************************************/
7905 my_create_scrollbar (f
, bar
)
7907 struct scroll_bar
* bar
;
7909 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
7910 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
7914 /*#define ATTACH_THREADS*/
7917 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
7919 #ifndef ATTACH_THREADS
7920 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
7921 (WPARAM
) hwnd
, (LPARAM
) how
);
7923 return ShowWindow (hwnd
, how
);
7928 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
7929 int x
, int y
, int cx
, int cy
, UINT flags
)
7931 #ifndef ATTACH_THREADS
7933 pos
.hwndInsertAfter
= hwndAfter
;
7939 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
7941 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
7946 my_set_focus (f
, hwnd
)
7950 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
7955 my_set_foreground_window (hwnd
)
7958 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
7962 my_destroy_window (f
, hwnd
)
7966 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
7970 /* Create a scroll bar and return the scroll bar vector for it. W is
7971 the Emacs window on which to create the scroll bar. TOP, LEFT,
7972 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
7975 static struct scroll_bar
*
7976 x_scroll_bar_create (w
, top
, left
, width
, height
)
7978 int top
, left
, width
, height
;
7980 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
7982 struct scroll_bar
*bar
7983 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
7987 XSETWINDOW (bar
->window
, w
);
7988 XSETINT (bar
->top
, top
);
7989 XSETINT (bar
->left
, left
);
7990 XSETINT (bar
->width
, width
);
7991 XSETINT (bar
->height
, height
);
7992 XSETINT (bar
->start
, 0);
7993 XSETINT (bar
->end
, 0);
7994 bar
->dragging
= Qnil
;
7996 /* Requires geometry to be set before call to create the real window */
7998 hwnd
= my_create_scrollbar (f
, bar
);
8000 if (pfnSetScrollInfo
)
8004 si
.cbSize
= sizeof (si
);
8007 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
8008 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
8012 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
8016 SetScrollRange (hwnd
, SB_CTL
, 0,
8017 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
8018 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
8021 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
8023 /* Add bar to its frame's list of scroll bars. */
8024 bar
->next
= FRAME_SCROLL_BARS (f
);
8026 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
8027 if (! NILP (bar
->next
))
8028 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
8036 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
8040 x_scroll_bar_remove (bar
)
8041 struct scroll_bar
*bar
;
8043 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
8047 /* Destroy the window. */
8048 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
8050 /* Disassociate this scroll bar from its window. */
8051 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
8056 /* Set the handle of the vertical scroll bar for WINDOW to indicate
8057 that we are displaying PORTION characters out of a total of WHOLE
8058 characters, starting at POSITION. If WINDOW has no scroll bar,
8061 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
8063 int portion
, whole
, position
;
8065 struct frame
*f
= XFRAME (w
->frame
);
8066 struct scroll_bar
*bar
;
8067 int top
, height
, left
, sb_left
, width
, sb_width
;
8068 int window_x
, window_y
, window_width
, window_height
;
8070 /* Get window dimensions. */
8071 window_box (w
, -1, &window_x
, &window_y
, &window_width
, &window_height
);
8073 width
= FRAME_SCROLL_BAR_COLS (f
) * CANON_X_UNIT (f
);
8074 height
= window_height
;
8076 /* Compute the left edge of the scroll bar area. */
8077 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f
))
8078 left
= XINT (w
->left
) + XINT (w
->width
) - FRAME_SCROLL_BAR_COLS (f
);
8080 left
= XFASTINT (w
->left
);
8081 left
*= CANON_X_UNIT (f
);
8082 left
+= FRAME_INTERNAL_BORDER_WIDTH (f
);
8084 /* Compute the width of the scroll bar which might be less than
8085 the width of the area reserved for the scroll bar. */
8086 if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f
) > 0)
8087 sb_width
= FRAME_SCROLL_BAR_PIXEL_WIDTH (f
);
8091 /* Compute the left edge of the scroll bar. */
8092 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f
))
8093 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
8095 sb_left
= left
+ (width
- sb_width
) / 2;
8097 /* Does the scroll bar exist yet? */
8098 if (NILP (w
->vertical_scroll_bar
))
8102 if (width
> 0 && height
> 0)
8104 hdc
= get_frame_dc (f
);
8105 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
8106 release_frame_dc (f
, hdc
);
8110 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
8114 /* It may just need to be moved and resized. */
8117 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
8118 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
8120 /* If already correctly positioned, do nothing. */
8121 if ( XINT (bar
->left
) == sb_left
8122 && XINT (bar
->top
) == top
8123 && XINT (bar
->width
) == sb_width
8124 && XINT (bar
->height
) == height
)
8126 /* Redraw after clear_frame. */
8127 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
8128 InvalidateRect (hwnd
, NULL
, FALSE
);
8134 if (width
&& height
)
8136 hdc
= get_frame_dc (f
);
8137 /* Since Windows scroll bars are smaller than the space reserved
8138 for them on the frame, we have to clear "under" them. */
8139 w32_clear_area (f
, hdc
,
8144 release_frame_dc (f
, hdc
);
8146 /* Make sure scroll bar is "visible" before moving, to ensure the
8147 area of the parent window now exposed will be refreshed. */
8148 my_show_window (f
, hwnd
, SW_HIDE
);
8149 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
8150 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
8151 max (height
, 1), TRUE
);
8152 if (pfnSetScrollInfo
)
8156 si
.cbSize
= sizeof (si
);
8157 si
.fMask
= SIF_RANGE
;
8159 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
8160 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
8162 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
8165 SetScrollRange (hwnd
, SB_CTL
, 0,
8166 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
8167 my_show_window (f
, hwnd
, SW_NORMAL
);
8168 /* InvalidateRect (w, NULL, FALSE); */
8170 /* Remember new settings. */
8171 XSETINT (bar
->left
, sb_left
);
8172 XSETINT (bar
->top
, top
);
8173 XSETINT (bar
->width
, sb_width
);
8174 XSETINT (bar
->height
, height
);
8179 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
8181 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
8185 /* The following three hooks are used when we're doing a thorough
8186 redisplay of the frame. We don't explicitly know which scroll bars
8187 are going to be deleted, because keeping track of when windows go
8188 away is a real pain - "Can you say set-window-configuration, boys
8189 and girls?" Instead, we just assert at the beginning of redisplay
8190 that *all* scroll bars are to be removed, and then save a scroll bar
8191 from the fiery pit when we actually redisplay its window. */
8193 /* Arrange for all scroll bars on FRAME to be removed at the next call
8194 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
8195 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
8198 w32_condemn_scroll_bars (frame
)
8201 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
8202 while (! NILP (FRAME_SCROLL_BARS (frame
)))
8205 bar
= FRAME_SCROLL_BARS (frame
);
8206 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
8207 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
8208 XSCROLL_BAR (bar
)->prev
= Qnil
;
8209 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
8210 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
8211 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
8216 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
8217 Note that WINDOW isn't necessarily condemned at all. */
8220 w32_redeem_scroll_bar (window
)
8221 struct window
*window
;
8223 struct scroll_bar
*bar
;
8226 /* We can't redeem this window's scroll bar if it doesn't have one. */
8227 if (NILP (window
->vertical_scroll_bar
))
8230 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
8232 /* Unlink it from the condemned list. */
8233 f
= XFRAME (WINDOW_FRAME (window
));
8234 if (NILP (bar
->prev
))
8236 /* If the prev pointer is nil, it must be the first in one of
8238 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
8239 /* It's not condemned. Everything's fine. */
8241 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
8242 window
->vertical_scroll_bar
))
8243 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
8245 /* If its prev pointer is nil, it must be at the front of
8246 one or the other! */
8250 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
8252 if (! NILP (bar
->next
))
8253 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
8255 bar
->next
= FRAME_SCROLL_BARS (f
);
8257 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
8258 if (! NILP (bar
->next
))
8259 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
8262 /* Remove all scroll bars on FRAME that haven't been saved since the
8263 last call to `*condemn_scroll_bars_hook'. */
8266 w32_judge_scroll_bars (f
)
8269 Lisp_Object bar
, next
;
8271 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
8273 /* Clear out the condemned list now so we won't try to process any
8274 more events on the hapless scroll bars. */
8275 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
8277 for (; ! NILP (bar
); bar
= next
)
8279 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
8281 x_scroll_bar_remove (b
);
8284 b
->next
= b
->prev
= Qnil
;
8287 /* Now there should be no references to the condemned scroll bars,
8288 and they should get garbage-collected. */
8291 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
8292 is set to something other than no_event, it is enqueued.
8294 This may be called from a signal handler, so we have to ignore GC
8298 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
8299 struct scroll_bar
*bar
;
8301 struct input_event
*emacs_event
;
8303 if (! GC_WINDOWP (bar
->window
))
8306 emacs_event
->kind
= w32_scroll_bar_click
;
8307 emacs_event
->code
= 0;
8308 /* not really meaningful to distinguish up/down */
8309 emacs_event
->modifiers
= msg
->dwModifiers
;
8310 emacs_event
->frame_or_window
= bar
->window
;
8311 emacs_event
->arg
= Qnil
;
8312 emacs_event
->timestamp
= msg
->msg
.time
;
8315 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
8317 int dragging
= !NILP (bar
->dragging
);
8319 if (pfnGetScrollInfo
)
8323 si
.cbSize
= sizeof (si
);
8326 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
8330 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
8332 bar
->dragging
= Qnil
;
8335 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
8337 switch (LOWORD (msg
->msg
.wParam
))
8340 emacs_event
->part
= scroll_bar_down_arrow
;
8343 emacs_event
->part
= scroll_bar_up_arrow
;
8346 emacs_event
->part
= scroll_bar_above_handle
;
8349 emacs_event
->part
= scroll_bar_below_handle
;
8352 emacs_event
->part
= scroll_bar_handle
;
8356 emacs_event
->part
= scroll_bar_handle
;
8360 case SB_THUMBPOSITION
:
8361 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
8362 y
= HIWORD (msg
->msg
.wParam
);
8364 emacs_event
->part
= scroll_bar_handle
;
8366 /* "Silently" update current position. */
8367 if (pfnSetScrollInfo
)
8371 si
.cbSize
= sizeof (si
);
8374 /* Remember apparent position (we actually lag behind the real
8375 position, so don't set that directly. */
8376 last_scroll_bar_drag_pos
= y
;
8378 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
8381 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
8384 /* If this is the end of a drag sequence, then reset the scroll
8385 handle size to normal and do a final redraw. Otherwise do
8389 if (pfnSetScrollInfo
)
8392 int start
= XINT (bar
->start
);
8393 int end
= XINT (bar
->end
);
8395 si
.cbSize
= sizeof (si
);
8396 si
.fMask
= SIF_PAGE
| SIF_POS
;
8397 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
8398 si
.nPos
= last_scroll_bar_drag_pos
;
8399 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
8402 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
8406 emacs_event
->kind
= no_event
;
8410 XSETINT (emacs_event
->x
, y
);
8411 XSETINT (emacs_event
->y
, top_range
);
8417 /* Return information to the user about the current position of the mouse
8418 on the scroll bar. */
8421 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
8423 Lisp_Object
*bar_window
;
8424 enum scroll_bar_part
*part
;
8426 unsigned long *time
;
8428 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
8429 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
8430 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
8432 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
8437 *bar_window
= bar
->window
;
8439 if (pfnGetScrollInfo
)
8443 si
.cbSize
= sizeof (si
);
8444 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
8446 pfnGetScrollInfo (w
, SB_CTL
, &si
);
8448 top_range
= si
.nMax
- si
.nPage
+ 1;
8451 pos
= GetScrollPos (w
, SB_CTL
);
8453 switch (LOWORD (last_mouse_scroll_bar_pos
))
8455 case SB_THUMBPOSITION
:
8457 *part
= scroll_bar_handle
;
8458 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
8459 pos
= HIWORD (last_mouse_scroll_bar_pos
);
8462 *part
= scroll_bar_handle
;
8466 *part
= scroll_bar_handle
;
8471 XSETINT (*y
, top_range
);
8474 last_mouse_scroll_bar
= Qnil
;
8476 *time
= last_mouse_movement_time
;
8482 /* The screen has been cleared so we may have changed foreground or
8483 background colors, and the scroll bars may need to be redrawn.
8484 Clear out the scroll bars, and ask for expose events, so we can
8488 x_scroll_bar_clear (f
)
8493 /* We can have scroll bars even if this is 0,
8494 if we just turned off scroll bar mode.
8495 But in that case we should not clear them. */
8496 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
8497 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
8498 bar
= XSCROLL_BAR (bar
)->next
)
8500 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
8501 HDC hdc
= GetDC (window
);
8504 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
8505 arranges to refresh the scroll bar if hidden. */
8506 my_show_window (f
, window
, SW_HIDE
);
8508 GetClientRect (window
, &rect
);
8509 select_palette (f
, hdc
);
8510 w32_clear_rect (f
, hdc
, &rect
);
8511 deselect_palette (f
, hdc
);
8513 ReleaseDC (window
, hdc
);
8518 /* The main W32 event-reading loop - w32_read_socket. */
8520 /* Time stamp of enter window event. This is only used by w32_read_socket,
8521 but we have to put it out here, since static variables within functions
8522 sometimes don't work. */
8524 static Time enter_timestamp
;
8526 /* Record the last 100 characters stored
8527 to help debug the loss-of-chars-during-GC problem. */
8529 static int temp_index
;
8530 static short temp_buffer
[100];
8533 /* Read events coming from the W32 shell.
8534 This routine is called by the SIGIO handler.
8535 We return as soon as there are no more events to be read.
8537 Events representing keys are stored in buffer BUFP,
8538 which can hold up to NUMCHARS characters.
8539 We return the number of characters stored into the buffer,
8540 thus pretending to be `read'.
8542 EXPECTED is nonzero if the caller knows input is available.
8544 Some of these messages are reposted back to the message queue since the
8545 system calls the windows proc directly in a context where we cannot return
8546 the data nor can we guarantee the state we are in. So if we dispatch them
8547 we will get into an infinite loop. To prevent this from ever happening we
8548 will set a variable to indicate we are in the read_socket call and indicate
8549 which message we are processing since the windows proc gets called
8550 recursively with different messages by the system.
8554 w32_read_socket (sd
, bufp
, numchars
, expected
)
8556 /* register */ struct input_event
*bufp
;
8557 /* register */ int numchars
;
8561 int check_visibility
= 0;
8564 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
8566 if (interrupt_input_blocked
)
8568 interrupt_input_pending
= 1;
8572 interrupt_input_pending
= 0;
8575 /* So people can tell when we have read the available input. */
8576 input_signal_count
++;
8579 abort (); /* Don't think this happens. */
8581 /* TODO: tool-bars, ghostscript integration, mouse
8583 while (get_next_msg (&msg
, FALSE
))
8585 switch (msg
.msg
.message
)
8588 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8592 if (msg
.rect
.right
== msg
.rect
.left
||
8593 msg
.rect
.bottom
== msg
.rect
.top
)
8595 /* We may get paint messages even though the client
8596 area is clipped - these are not expose events. */
8597 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
8598 XSTRING (f
->name
)->data
));
8600 else if (f
->async_visible
!= 1)
8602 /* Definitely not obscured, so mark as visible. */
8603 f
->async_visible
= 1;
8604 f
->async_iconified
= 0;
8605 SET_FRAME_GARBAGED (f
);
8606 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
8607 XSTRING (f
->name
)->data
));
8609 /* WM_PAINT serves as MapNotify as well, so report
8610 visibility changes properly. */
8613 bufp
->kind
= deiconify_event
;
8614 XSETFRAME (bufp
->frame_or_window
, f
);
8620 else if (! NILP (Vframe_list
)
8621 && ! NILP (XCDR (Vframe_list
)))
8622 /* Force a redisplay sooner or later to update the
8623 frame titles in case this is the second frame. */
8624 record_asynch_buffer_change ();
8628 HDC hdc
= get_frame_dc (f
);
8630 /* Erase background again for safety. */
8631 w32_clear_rect (f
, hdc
, &msg
.rect
);
8632 release_frame_dc (f
, hdc
);
8636 msg
.rect
.right
- msg
.rect
.left
,
8637 msg
.rect
.bottom
- msg
.rect
.top
);
8642 case WM_INPUTLANGCHANGE
:
8643 /* Generate a language change event. */
8644 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8651 bufp
->kind
= language_change_event
;
8652 XSETFRAME (bufp
->frame_or_window
, f
);
8654 bufp
->code
= msg
.msg
.wParam
;
8655 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
8664 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8666 if (f
&& !f
->iconified
)
8668 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
8670 dpyinfo
->mouse_face_hidden
= 1;
8671 clear_mouse_face (dpyinfo
);
8674 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
8676 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
8677 bufp
->kind
= non_ascii_keystroke
;
8678 bufp
->code
= msg
.msg
.wParam
;
8679 bufp
->modifiers
= msg
.dwModifiers
;
8680 XSETFRAME (bufp
->frame_or_window
, f
);
8682 bufp
->timestamp
= msg
.msg
.time
;
8691 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8693 if (f
&& !f
->iconified
)
8695 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
8697 dpyinfo
->mouse_face_hidden
= 1;
8698 clear_mouse_face (dpyinfo
);
8701 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
8703 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
8704 bufp
->kind
= ascii_keystroke
;
8705 bufp
->code
= msg
.msg
.wParam
;
8706 bufp
->modifiers
= msg
.dwModifiers
;
8707 XSETFRAME (bufp
->frame_or_window
, f
);
8709 bufp
->timestamp
= msg
.msg
.time
;
8717 previous_help_echo
= help_echo
;
8718 help_echo_object
= help_echo_window
= Qnil
;
8721 if (dpyinfo
->grabbed
&& last_mouse_frame
8722 && FRAME_LIVE_P (last_mouse_frame
))
8723 f
= last_mouse_frame
;
8725 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8727 if (dpyinfo
->mouse_face_hidden
)
8729 dpyinfo
->mouse_face_hidden
= 0;
8730 clear_mouse_face (dpyinfo
);
8734 note_mouse_movement (f
, &msg
.msg
);
8737 /* If we move outside the frame, then we're
8738 certainly no longer on any text in the frame. */
8739 clear_mouse_face (dpyinfo
);
8742 /* If the contents of the global variable help_echo
8743 has changed, generate a HELP_EVENT. */
8744 if (help_echo
!= previous_help_echo
)
8750 XSETFRAME (frame
, f
);
8754 any_help_event_p
= 1;
8755 n
= gen_help_event (bufp
, numchars
, help_echo
, frame
,
8756 help_echo_window
, help_echo_object
,
8758 bufp
+= n
, count
+= n
, numchars
-= n
;
8762 case WM_LBUTTONDOWN
:
8764 case WM_MBUTTONDOWN
:
8766 case WM_RBUTTONDOWN
:
8768 case WM_XBUTTONDOWN
:
8771 /* If we decide we want to generate an event to be seen
8772 by the rest of Emacs, we put it here. */
8773 struct input_event emacs_event
;
8778 emacs_event
.kind
= no_event
;
8780 if (dpyinfo
->grabbed
&& last_mouse_frame
8781 && FRAME_LIVE_P (last_mouse_frame
))
8782 f
= last_mouse_frame
;
8784 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8788 construct_mouse_click (&emacs_event
, &msg
, f
);
8790 /* Is this in the tool-bar? */
8791 if (WINDOWP (f
->tool_bar_window
)
8792 && XFASTINT (XWINDOW (f
->tool_bar_window
)->height
))
8798 window
= window_from_coordinates (f
,
8802 if (EQ (window
, f
->tool_bar_window
))
8804 w32_handle_tool_bar_click (f
, &emacs_event
);
8810 if (!dpyinfo
->w32_focus_frame
8811 || f
== dpyinfo
->w32_focus_frame
8814 construct_mouse_click (bufp
, &msg
, f
);
8821 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
8826 dpyinfo
->grabbed
&= ~ (1 << button
);
8830 dpyinfo
->grabbed
|= (1 << button
);
8831 last_mouse_frame
= f
;
8832 /* Ignore any mouse motion that happened
8833 before this event; any subsequent mouse-movement
8834 Emacs events should reflect only motion after
8840 last_tool_bar_item
= -1;
8846 if (dpyinfo
->grabbed
&& last_mouse_frame
8847 && FRAME_LIVE_P (last_mouse_frame
))
8848 f
= last_mouse_frame
;
8850 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8854 if ((!dpyinfo
->w32_focus_frame
8855 || f
== dpyinfo
->w32_focus_frame
)
8858 construct_mouse_wheel (bufp
, &msg
, f
);
8867 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8871 construct_drag_n_drop (bufp
, &msg
, f
);
8880 struct scroll_bar
*bar
=
8881 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
8883 if (bar
&& numchars
>= 1)
8885 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
8895 case WM_WINDOWPOSCHANGED
:
8896 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8899 x_check_fullscreen_move(f
);
8900 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_WAIT
)
8901 f
->output_data
.w32
->want_fullscreen
&=
8902 ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
8904 check_visibility
= 1;
8908 case WM_ACTIVATEAPP
:
8909 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8911 x_check_fullscreen (f
);
8912 check_visibility
= 1;
8916 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8918 if (f
&& !f
->async_iconified
)
8922 x_real_positions (f
, &x
, &y
);
8923 f
->output_data
.w32
->left_pos
= x
;
8924 f
->output_data
.w32
->top_pos
= y
;
8927 check_visibility
= 1;
8931 /* wParam non-zero means Window is about to be shown, 0 means
8932 about to be hidden. */
8933 /* Redo the mouse-highlight after the tooltip has gone. */
8934 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
8937 redo_mouse_highlight ();
8940 /* If window has been obscured or exposed by another window
8941 being maximised or minimised/restored, then recheck
8942 visibility of all frames. Direct changes to our own
8943 windows get handled by WM_SIZE. */
8945 if (msg
.msg
.lParam
!= 0)
8946 check_visibility
= 1;
8949 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8950 f
->async_visible
= msg
.msg
.wParam
;
8954 check_visibility
= 1;
8958 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
8960 /* Inform lisp of whether frame has been iconified etc. */
8963 switch (msg
.msg
.wParam
)
8965 case SIZE_MINIMIZED
:
8966 f
->async_visible
= 0;
8967 f
->async_iconified
= 1;
8969 bufp
->kind
= iconify_event
;
8970 XSETFRAME (bufp
->frame_or_window
, f
);
8977 case SIZE_MAXIMIZED
:
8979 f
->async_visible
= 1;
8980 f
->async_iconified
= 0;
8982 /* wait_reading_process_input will notice this and update
8983 the frame's display structures. */
8984 SET_FRAME_GARBAGED (f
);
8990 /* Reset top and left positions of the Window
8991 here since Windows sends a WM_MOVE message
8992 BEFORE telling us the Window is minimized
8993 when the Window is iconified, with 3000,3000
8995 x_real_positions (f
, &x
, &y
);
8996 f
->output_data
.w32
->left_pos
= x
;
8997 f
->output_data
.w32
->top_pos
= y
;
8999 bufp
->kind
= deiconify_event
;
9000 XSETFRAME (bufp
->frame_or_window
, f
);
9006 else if (! NILP (Vframe_list
)
9007 && ! NILP (XCDR (Vframe_list
)))
9008 /* Force a redisplay sooner or later
9009 to update the frame titles
9010 in case this is the second frame. */
9011 record_asynch_buffer_change ();
9016 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
9024 GetClientRect (msg
.msg
.hwnd
, &rect
);
9026 height
= rect
.bottom
- rect
.top
;
9027 width
= rect
.right
- rect
.left
;
9029 rows
= PIXEL_TO_CHAR_HEIGHT (f
, height
);
9030 columns
= PIXEL_TO_CHAR_WIDTH (f
, width
);
9032 /* TODO: Clip size to the screen dimensions. */
9034 /* Even if the number of character rows and columns has
9035 not changed, the font size may have changed, so we need
9036 to check the pixel dimensions as well. */
9038 if (columns
!= f
->width
9039 || rows
!= f
->height
9040 || width
!= f
->output_data
.w32
->pixel_width
9041 || height
!= f
->output_data
.w32
->pixel_height
)
9043 change_frame_size (f
, rows
, columns
, 0, 1, 0);
9044 SET_FRAME_GARBAGED (f
);
9045 cancel_mouse_face (f
);
9046 f
->output_data
.w32
->pixel_width
= width
;
9047 f
->output_data
.w32
->pixel_height
= height
;
9048 f
->output_data
.w32
->win_gravity
= NorthWestGravity
;
9052 check_visibility
= 1;
9056 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9059 if (f
== dpyinfo
->mouse_face_mouse_frame
)
9061 /* If we move outside the frame, then we're
9062 certainly no longer on any text in the frame. */
9063 clear_mouse_face (dpyinfo
);
9064 dpyinfo
->mouse_face_mouse_frame
= 0;
9067 /* Generate a nil HELP_EVENT to cancel a help-echo.
9068 Do it only if there's something to cancel.
9069 Otherwise, the startup message is cleared when
9070 the mouse leaves the frame. */
9071 if (any_help_event_p
)
9076 XSETFRAME (frame
, f
);
9078 n
= gen_help_event (bufp
, numchars
,
9079 Qnil
, frame
, Qnil
, Qnil
, 0);
9080 bufp
+= n
, count
+= n
, numchars
-= n
;
9086 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9088 dpyinfo
->w32_focus_event_frame
= f
;
9091 x_new_focus_frame (dpyinfo
, f
);
9094 dpyinfo
->grabbed
= 0;
9095 check_visibility
= 1;
9099 /* TODO: some of this belongs in MOUSE_LEAVE */
9100 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9104 if (f
== dpyinfo
->w32_focus_event_frame
)
9105 dpyinfo
->w32_focus_event_frame
= 0;
9107 if (f
== dpyinfo
->w32_focus_frame
)
9108 x_new_focus_frame (dpyinfo
, 0);
9110 if (f
== dpyinfo
->mouse_face_mouse_frame
)
9112 /* If we move outside the frame, then we're
9113 certainly no longer on any text in the frame. */
9114 clear_mouse_face (dpyinfo
);
9115 dpyinfo
->mouse_face_mouse_frame
= 0;
9118 /* Generate a nil HELP_EVENT to cancel a help-echo.
9119 Do it only if there's something to cancel.
9120 Otherwise, the startup message is cleared when
9121 the mouse leaves the frame. */
9122 if (any_help_event_p
)
9127 XSETFRAME (frame
, f
);
9129 n
= gen_help_event (bufp
, numchars
,
9130 Qnil
, frame
, Qnil
, Qnil
, 0);
9131 bufp
+= n
, count
+= n
, numchars
-=n
;
9135 dpyinfo
->grabbed
= 0;
9136 check_visibility
= 1;
9140 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9147 bufp
->kind
= delete_window_event
;
9148 XSETFRAME (bufp
->frame_or_window
, f
);
9157 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9164 bufp
->kind
= menu_bar_activate_event
;
9165 XSETFRAME (bufp
->frame_or_window
, f
);
9174 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9178 extern void menubar_selection_callback
9179 (FRAME_PTR f
, void * client_data
);
9180 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
9183 check_visibility
= 1;
9186 case WM_DISPLAYCHANGE
:
9187 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9191 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
9192 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
9193 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
9194 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
9198 check_visibility
= 1;
9202 /* Check for messages registered at runtime. */
9203 if (msg
.msg
.message
== msh_mousewheel
)
9205 if (dpyinfo
->grabbed
&& last_mouse_frame
9206 && FRAME_LIVE_P (last_mouse_frame
))
9207 f
= last_mouse_frame
;
9209 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
9213 if ((!dpyinfo
->w32_focus_frame
9214 || f
== dpyinfo
->w32_focus_frame
)
9217 construct_mouse_wheel (bufp
, &msg
, f
);
9228 /* If the focus was just given to an autoraising frame,
9230 /* ??? This ought to be able to handle more than one such frame. */
9231 if (pending_autoraise_frame
)
9233 x_raise_frame (pending_autoraise_frame
);
9234 pending_autoraise_frame
= 0;
9237 /* Check which frames are still visisble, if we have enqueued any user
9238 events or been notified of events that may affect visibility. We
9239 do this here because there doesn't seem to be any direct
9240 notification from Windows that the visibility of a window has
9241 changed (at least, not in all cases). */
9242 if (count
> 0 || check_visibility
)
9244 Lisp_Object tail
, frame
;
9246 FOR_EACH_FRAME (tail
, frame
)
9248 FRAME_PTR f
= XFRAME (frame
);
9249 /* The tooltip has been drawn already. Avoid the
9250 SET_FRAME_GARBAGED below. */
9251 if (EQ (frame
, tip_frame
))
9254 /* Check "visible" frames and mark each as obscured or not.
9255 Note that async_visible is nonzero for unobscured and
9256 obscured frames, but zero for hidden and iconified frames. */
9257 if (FRAME_W32_P (f
) && f
->async_visible
)
9263 /* Query clipping rectangle for the entire window area
9264 (GetWindowDC), not just the client portion (GetDC).
9265 Otherwise, the scrollbars and menubar aren't counted as
9266 part of the visible area of the frame, and we may think
9267 the frame is obscured when really a scrollbar is still
9268 visible and gets WM_PAINT messages above. */
9269 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
9270 GetClipBox (hdc
, &clipbox
);
9271 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
9274 if (clipbox
.right
== clipbox
.left
9275 || clipbox
.bottom
== clipbox
.top
)
9277 /* Frame has become completely obscured so mark as
9278 such (we do this by setting async_visible to 2 so
9279 that FRAME_VISIBLE_P is still true, but redisplay
9281 f
->async_visible
= 2;
9283 if (!FRAME_OBSCURED_P (f
))
9285 DebPrint (("frame %p (%s) obscured\n", f
,
9286 XSTRING (f
->name
)->data
));
9291 /* Frame is not obscured, so mark it as such. */
9292 f
->async_visible
= 1;
9294 if (FRAME_OBSCURED_P (f
))
9296 SET_FRAME_GARBAGED (f
);
9297 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
9298 XSTRING (f
->name
)->data
));
9300 /* Force a redisplay sooner or later. */
9301 record_asynch_buffer_change ();
9315 /***********************************************************************
9317 ***********************************************************************/
9319 /* Notice if the text cursor of window W has been overwritten by a
9320 drawing operation that outputs glyphs starting at START_X and
9321 ending at END_X in the line given by output_cursor.vpos.
9322 Coordinates are area-relative. END_X < 0 means all the rest
9323 of the line after START_X has been written. */
9326 notice_overwritten_cursor (w
, area
, x0
, x1
, y0
, y1
)
9328 enum glyph_row_area area
;
9331 if (area
== TEXT_AREA
9332 && w
->phys_cursor_on_p
9333 && y0
<= w
->phys_cursor
.y
9334 && y1
>= w
->phys_cursor
.y
+ w
->phys_cursor_height
9335 && x0
<= w
->phys_cursor
.x
9336 && (x1
< 0 || x1
> w
->phys_cursor
.x
))
9337 w
->phys_cursor_on_p
= 0;
9341 /* Set clipping for output in glyph row ROW. W is the window in which
9342 we operate. GC is the graphics context to set clipping in.
9343 WHOLE_LINE_P non-zero means include the areas used for truncation
9344 mark display and alike in the clipping rectangle.
9346 ROW may be a text row or, e.g., a mode line. Text rows must be
9347 clipped to the interior of the window dedicated to text display,
9348 mode lines must be clipped to the whole window. */
9351 w32_clip_to_row (w
, row
, hdc
, whole_line_p
)
9353 struct glyph_row
*row
;
9357 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
9359 int window_x
, window_y
, window_width
, window_height
;
9361 window_box (w
, -1, &window_x
, &window_y
, &window_width
, &window_height
);
9363 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
9364 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
9365 clip_rect
.top
= max (clip_rect
.top
, window_y
);
9366 clip_rect
.right
= clip_rect
.left
+ window_width
;
9367 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
9369 /* If clipping to the whole line, including trunc marks, extend
9370 the rectangle to the left and increase its width. */
9373 clip_rect
.left
-= FRAME_X_LEFT_FRINGE_WIDTH (f
);
9374 clip_rect
.right
+= FRAME_X_FRINGE_WIDTH (f
);
9377 w32_set_clip_rectangle (hdc
, &clip_rect
);
9381 /* Draw a hollow box cursor on window W in glyph row ROW. */
9384 x_draw_hollow_cursor (w
, row
)
9386 struct glyph_row
*row
;
9388 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
9392 struct glyph
*cursor_glyph
;
9393 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
9395 /* Compute frame-relative coordinates from window-relative
9397 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
9398 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
9399 + row
->ascent
- w
->phys_cursor_ascent
);
9400 rect
.bottom
= rect
.top
+ row
->height
- 1;
9402 /* Get the glyph the cursor is on. If we can't tell because
9403 the current matrix is invalid or such, give up. */
9404 cursor_glyph
= get_phys_cursor_glyph (w
);
9405 if (cursor_glyph
== NULL
)
9408 /* Compute the width of the rectangle to draw. If on a stretch
9409 glyph, and `x-stretch-block-cursor' is nil, don't draw a
9410 rectangle as wide as the glyph, but use a canonical character
9412 wd
= cursor_glyph
->pixel_width
- 1;
9413 if (cursor_glyph
->type
== STRETCH_GLYPH
9414 && !x_stretch_cursor_p
)
9415 wd
= min (CANON_X_UNIT (f
), wd
);
9417 rect
.right
= rect
.left
+ wd
;
9418 hdc
= get_frame_dc (f
);
9419 FrameRect (hdc
, &rect
, hb
);
9422 release_frame_dc (f
, hdc
);
9426 /* Draw a bar cursor on window W in glyph row ROW.
9428 Implementation note: One would like to draw a bar cursor with an
9429 angle equal to the one given by the font property XA_ITALIC_ANGLE.
9430 Unfortunately, I didn't find a font yet that has this property set.
9434 x_draw_bar_cursor (w
, row
, width
)
9436 struct glyph_row
*row
;
9439 struct frame
*f
= XFRAME (w
->frame
);
9440 struct glyph
*cursor_glyph
;
9444 /* If cursor is out of bounds, don't draw garbage. This can happen
9445 in mini-buffer windows when switching between echo area glyphs
9447 cursor_glyph
= get_phys_cursor_glyph (w
);
9448 if (cursor_glyph
== NULL
)
9451 /* If on an image, draw like a normal cursor. That's usually better
9452 visible than drawing a bar, esp. if the image is large so that
9453 the bar might not be in the window. */
9454 if (cursor_glyph
->type
== IMAGE_GLYPH
)
9456 struct glyph_row
*row
;
9457 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
9458 x_draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
9462 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
9463 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
9466 width
= f
->output_data
.w32
->cursor_width
;
9468 /* If the glyph's background equals the color we normally draw
9469 the bar cursor in, the bar cursor in its normal color is
9470 invisible. Use the glyph's foreground color instead in this
9471 case, on the assumption that the glyph's colors are chosen so
9472 that the glyph is legible. */
9473 if (face
->background
== cursor_color
)
9474 cursor_color
= face
->foreground
;
9476 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
9477 hdc
= get_frame_dc (f
);
9478 w32_clip_to_row (w
, row
, hdc
, 0);
9479 w32_fill_area (f
, hdc
, cursor_color
, x
,
9480 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
9481 min (cursor_glyph
->pixel_width
, width
),
9483 release_frame_dc (f
, hdc
);
9488 /* Clear the cursor of window W to background color, and mark the
9489 cursor as not shown. This is used when the text where the cursor
9490 is is about to be rewritten. */
9496 if (FRAME_VISIBLE_P (XFRAME (w
->frame
)) && w
->phys_cursor_on_p
)
9497 x_update_window_cursor (w
, 0);
9501 /* Draw the cursor glyph of window W in glyph row ROW. See the
9502 comment of x_draw_glyphs for the meaning of HL. */
9505 x_draw_phys_cursor_glyph (w
, row
, hl
)
9507 struct glyph_row
*row
;
9508 enum draw_glyphs_face hl
;
9510 /* If cursor hpos is out of bounds, don't draw garbage. This can
9511 happen in mini-buffer windows when switching between echo area
9512 glyphs and mini-buffer. */
9513 if (w
->phys_cursor
.hpos
< row
->used
[TEXT_AREA
])
9515 int on_p
= w
->phys_cursor_on_p
;
9516 x_draw_glyphs (w
, w
->phys_cursor
.x
, row
, TEXT_AREA
,
9517 w
->phys_cursor
.hpos
, w
->phys_cursor
.hpos
+ 1,
9519 w
->phys_cursor_on_p
= on_p
;
9521 /* When we erase the cursor, and ROW is overlapped by other
9522 rows, make sure that these overlapping parts of other rows
9524 if (hl
== DRAW_NORMAL_TEXT
&& row
->overlapped_p
)
9526 if (row
> w
->current_matrix
->rows
9527 && MATRIX_ROW_OVERLAPS_SUCC_P (row
- 1))
9528 x_fix_overlapping_area (w
, row
- 1, TEXT_AREA
);
9530 if (MATRIX_ROW_BOTTOM_Y (row
) < window_text_bottom_y (w
)
9531 && MATRIX_ROW_OVERLAPS_PRED_P (row
+ 1))
9532 x_fix_overlapping_area (w
, row
+ 1, TEXT_AREA
);
9538 /* Erase the image of a cursor of window W from the screen. */
9541 x_erase_phys_cursor (w
)
9544 struct frame
*f
= XFRAME (w
->frame
);
9545 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
9546 int hpos
= w
->phys_cursor
.hpos
;
9547 int vpos
= w
->phys_cursor
.vpos
;
9548 int mouse_face_here_p
= 0;
9549 struct glyph_matrix
*active_glyphs
= w
->current_matrix
;
9550 struct glyph_row
*cursor_row
;
9551 struct glyph
*cursor_glyph
;
9552 enum draw_glyphs_face hl
;
9554 /* No cursor displayed or row invalidated => nothing to do on the
9556 if (w
->phys_cursor_type
== NO_CURSOR
)
9557 goto mark_cursor_off
;
9559 /* VPOS >= active_glyphs->nrows means that window has been resized.
9560 Don't bother to erase the cursor. */
9561 if (vpos
>= active_glyphs
->nrows
)
9562 goto mark_cursor_off
;
9564 /* If row containing cursor is marked invalid, there is nothing we
9566 cursor_row
= MATRIX_ROW (active_glyphs
, vpos
);
9567 if (!cursor_row
->enabled_p
)
9568 goto mark_cursor_off
;
9570 /* If row is completely invisible, don't attempt to delete a cursor which
9571 isn't there. This may happen if cursor is at top of window, and
9572 we switch to a buffer with a header line in that window. */
9573 if (cursor_row
->visible_height
<= 0)
9574 goto mark_cursor_off
;
9576 /* This can happen when the new row is shorter than the old one.
9577 In this case, either x_draw_glyphs or clear_end_of_line
9578 should have cleared the cursor. Note that we wouldn't be
9579 able to erase the cursor in this case because we don't have a
9580 cursor glyph at hand. */
9581 if (w
->phys_cursor
.hpos
>= cursor_row
->used
[TEXT_AREA
])
9582 goto mark_cursor_off
;
9584 /* If the cursor is in the mouse face area, redisplay that when
9585 we clear the cursor. */
9586 if (! NILP (dpyinfo
->mouse_face_window
)
9587 && w
== XWINDOW (dpyinfo
->mouse_face_window
)
9588 && (vpos
> dpyinfo
->mouse_face_beg_row
9589 || (vpos
== dpyinfo
->mouse_face_beg_row
9590 && hpos
>= dpyinfo
->mouse_face_beg_col
))
9591 && (vpos
< dpyinfo
->mouse_face_end_row
9592 || (vpos
== dpyinfo
->mouse_face_end_row
9593 && hpos
< dpyinfo
->mouse_face_end_col
))
9594 /* Don't redraw the cursor's spot in mouse face if it is at the
9595 end of a line (on a newline). The cursor appears there, but
9596 mouse highlighting does not. */
9597 && cursor_row
->used
[TEXT_AREA
] > hpos
)
9598 mouse_face_here_p
= 1;
9600 /* Maybe clear the display under the cursor. */
9601 if (w
->phys_cursor_type
== HOLLOW_BOX_CURSOR
)
9604 int header_line_height
= WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w
);
9607 cursor_glyph
= get_phys_cursor_glyph (w
);
9608 if (cursor_glyph
== NULL
)
9609 goto mark_cursor_off
;
9611 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
9613 hdc
= get_frame_dc (f
);
9614 w32_clear_area (f
, hdc
, x
,
9615 WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
9617 cursor_glyph
->pixel_width
,
9618 cursor_row
->visible_height
);
9619 release_frame_dc (f
, hdc
);
9622 /* Erase the cursor by redrawing the character underneath it. */
9623 if (mouse_face_here_p
)
9624 hl
= DRAW_MOUSE_FACE
;
9626 hl
= DRAW_NORMAL_TEXT
;
9627 x_draw_phys_cursor_glyph (w
, cursor_row
, hl
);
9630 w
->phys_cursor_on_p
= 0;
9631 w
->phys_cursor_type
= NO_CURSOR
;
9635 /* Non-zero if physical cursor of window W is within mouse face. */
9638 cursor_in_mouse_face_p (w
)
9641 struct w32_display_info
*dpyinfo
9642 = FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
9643 int in_mouse_face
= 0;
9645 if (WINDOWP (dpyinfo
->mouse_face_window
)
9646 && XWINDOW (dpyinfo
->mouse_face_window
) == w
)
9648 int hpos
= w
->phys_cursor
.hpos
;
9649 int vpos
= w
->phys_cursor
.vpos
;
9651 if (vpos
>= dpyinfo
->mouse_face_beg_row
9652 && vpos
<= dpyinfo
->mouse_face_end_row
9653 && (vpos
> dpyinfo
->mouse_face_beg_row
9654 || hpos
>= dpyinfo
->mouse_face_beg_col
)
9655 && (vpos
< dpyinfo
->mouse_face_end_row
9656 || hpos
< dpyinfo
->mouse_face_end_col
9657 || dpyinfo
->mouse_face_past_end
))
9661 return in_mouse_face
;
9665 /* Display or clear cursor of window W. If ON is zero, clear the
9666 cursor. If it is non-zero, display the cursor. If ON is nonzero,
9667 where to put the cursor is specified by HPOS, VPOS, X and Y. */
9670 x_display_and_set_cursor (w
, on
, hpos
, vpos
, x
, y
)
9672 int on
, hpos
, vpos
, x
, y
;
9674 struct frame
*f
= XFRAME (w
->frame
);
9675 int new_cursor_type
;
9676 int new_cursor_width
;
9677 struct glyph_matrix
*current_glyphs
;
9678 struct glyph_row
*glyph_row
;
9679 struct glyph
*glyph
;
9680 int cursor_non_selected
;
9681 int active_cursor
= 1;
9683 /* This is pointless on invisible frames, and dangerous on garbaged
9684 windows and frames; in the latter case, the frame or window may
9685 be in the midst of changing its size, and x and y may be off the
9687 if (! FRAME_VISIBLE_P (f
)
9688 || FRAME_GARBAGED_P (f
)
9689 || vpos
>= w
->current_matrix
->nrows
9690 || hpos
>= w
->current_matrix
->matrix_w
)
9693 /* If cursor is off and we want it off, return quickly. */
9694 if (!on
&& !w
->phys_cursor_on_p
)
9697 current_glyphs
= w
->current_matrix
;
9698 glyph_row
= MATRIX_ROW (current_glyphs
, vpos
);
9699 glyph
= glyph_row
->glyphs
[TEXT_AREA
] + hpos
;
9701 /* If cursor row is not enabled, we don't really know where to
9702 display the cursor. */
9703 if (!glyph_row
->enabled_p
)
9705 w
->phys_cursor_on_p
= 0;
9709 xassert (interrupt_input_blocked
);
9711 /* Set new_cursor_type to the cursor we want to be displayed. In a
9712 mini-buffer window, we want the cursor only to appear if we are
9713 reading input from this window. For the selected window, we want
9714 the cursor type given by the frame parameter. If explicitly
9715 marked off, draw no cursor. In all other cases, we want a hollow
9718 = !NILP (Fbuffer_local_value (Qcursor_in_non_selected_windows
,
9720 new_cursor_width
= -1;
9721 if (cursor_in_echo_area
9722 && FRAME_HAS_MINIBUF_P (f
)
9723 && EQ (FRAME_MINIBUF_WINDOW (f
), echo_area_window
))
9725 if (w
== XWINDOW (echo_area_window
))
9726 new_cursor_type
= FRAME_DESIRED_CURSOR (f
);
9729 if (cursor_non_selected
)
9730 new_cursor_type
= HOLLOW_BOX_CURSOR
;
9732 new_cursor_type
= NO_CURSOR
;
9738 if (f
!= FRAME_W32_DISPLAY_INFO (f
)->w32_highlight_frame
9739 || w
!= XWINDOW (f
->selected_window
))
9743 if (MINI_WINDOW_P (w
)
9744 || !cursor_non_selected
9745 || NILP (XBUFFER (w
->buffer
)->cursor_type
))
9746 new_cursor_type
= NO_CURSOR
;
9748 new_cursor_type
= HOLLOW_BOX_CURSOR
;
9750 else if (w
->cursor_off_p
)
9751 new_cursor_type
= NO_CURSOR
;
9754 struct buffer
*b
= XBUFFER (w
->buffer
);
9756 if (EQ (b
->cursor_type
, Qt
))
9757 new_cursor_type
= FRAME_DESIRED_CURSOR (f
);
9759 new_cursor_type
= x_specified_cursor_type (b
->cursor_type
,
9764 /* If cursor is currently being shown and we don't want it to be or
9765 it is in the wrong place, or the cursor type is not what we want,
9767 if (w
->phys_cursor_on_p
9769 || w
->phys_cursor
.x
!= x
9770 || w
->phys_cursor
.y
!= y
9771 || new_cursor_type
!= w
->phys_cursor_type
))
9772 x_erase_phys_cursor (w
);
9774 /* If the cursor is now invisible and we want it to be visible,
9776 if (on
&& !w
->phys_cursor_on_p
)
9778 w
->phys_cursor_ascent
= glyph_row
->ascent
;
9779 w
->phys_cursor_height
= glyph_row
->height
;
9781 /* Set phys_cursor_.* before x_draw_.* is called because some
9782 of them may need the information. */
9783 w
->phys_cursor
.x
= x
;
9784 w
->phys_cursor
.y
= glyph_row
->y
;
9785 w
->phys_cursor
.hpos
= hpos
;
9786 w
->phys_cursor
.vpos
= vpos
;
9788 /* If the user wants to use the system caret, make sure our own
9789 cursor remains invisible. */
9790 if (w32_use_visible_system_caret
)
9792 if (w
->phys_cursor_type
!= NO_CURSOR
)
9793 x_erase_phys_cursor (w
);
9795 new_cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
9798 w
->phys_cursor_type
= new_cursor_type
;
9800 w
->phys_cursor_on_p
= 1;
9802 /* If this is the active cursor, we need to track it with the
9803 system caret, so third party software like screen magnifiers
9804 and speech synthesizers can follow the cursor. */
9807 HWND hwnd
= FRAME_W32_WINDOW (f
);
9810 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
9812 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
9813 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
9815 /* If the size of the active cursor changed, destroy the old
9817 if (w32_system_caret_hwnd
9818 && (w32_system_caret_height
!= w
->phys_cursor_height
))
9819 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
9821 w32_system_caret_height
= w
->phys_cursor_height
;
9823 /* Move the system caret. */
9824 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
9827 switch (new_cursor_type
)
9829 case HOLLOW_BOX_CURSOR
:
9830 x_draw_hollow_cursor (w
, glyph_row
);
9833 case FILLED_BOX_CURSOR
:
9834 x_draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
9838 x_draw_bar_cursor (w
, glyph_row
, new_cursor_width
);
9851 /* Display the cursor on window W, or clear it. X and Y are window
9852 relative pixel coordinates. HPOS and VPOS are glyph matrix
9853 positions. If W is not the selected window, display a hollow
9854 cursor. ON non-zero means display the cursor at X, Y which
9855 correspond to HPOS, VPOS, otherwise it is cleared. */
9858 x_display_cursor (w
, on
, hpos
, vpos
, x
, y
)
9860 int on
, hpos
, vpos
, x
, y
;
9863 x_display_and_set_cursor (w
, on
, hpos
, vpos
, x
, y
);
9868 /* Display the cursor on window W, or clear it, according to ON_P.
9869 Don't change the cursor's position. */
9872 x_update_cursor (f
, on_p
)
9876 x_update_cursor_in_window_tree (XWINDOW (f
->root_window
), on_p
);
9880 /* Call x_update_window_cursor with parameter ON_P on all leaf windows
9881 in the window tree rooted at W. */
9884 x_update_cursor_in_window_tree (w
, on_p
)
9890 if (!NILP (w
->hchild
))
9891 x_update_cursor_in_window_tree (XWINDOW (w
->hchild
), on_p
);
9892 else if (!NILP (w
->vchild
))
9893 x_update_cursor_in_window_tree (XWINDOW (w
->vchild
), on_p
);
9895 x_update_window_cursor (w
, on_p
);
9897 w
= NILP (w
->next
) ? 0 : XWINDOW (w
->next
);
9902 /* Switch the display of W's cursor on or off, according to the value
9906 x_update_window_cursor (w
, on
)
9910 /* Don't update cursor in windows whose frame is in the process
9911 of being deleted. */
9912 if (w
->current_matrix
)
9915 x_display_and_set_cursor (w
, on
, w
->phys_cursor
.hpos
,
9916 w
->phys_cursor
.vpos
, w
->phys_cursor
.x
,
9928 x_bitmap_icon (f
, icon
)
9934 if (FRAME_W32_WINDOW (f
) == 0)
9938 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
9939 else if (STRINGP (icon
))
9940 hicon
= LoadImage (NULL
, (LPCTSTR
) XSTRING (icon
)->data
, IMAGE_ICON
, 0, 0,
9941 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
9942 else if (SYMBOLP (icon
))
9946 if (EQ (icon
, intern ("application")))
9947 name
= (LPCTSTR
) IDI_APPLICATION
;
9948 else if (EQ (icon
, intern ("hand")))
9949 name
= (LPCTSTR
) IDI_HAND
;
9950 else if (EQ (icon
, intern ("question")))
9951 name
= (LPCTSTR
) IDI_QUESTION
;
9952 else if (EQ (icon
, intern ("exclamation")))
9953 name
= (LPCTSTR
) IDI_EXCLAMATION
;
9954 else if (EQ (icon
, intern ("asterisk")))
9955 name
= (LPCTSTR
) IDI_ASTERISK
;
9956 else if (EQ (icon
, intern ("winlogo")))
9957 name
= (LPCTSTR
) IDI_WINLOGO
;
9961 hicon
= LoadIcon (NULL
, name
);
9969 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
9976 /************************************************************************
9978 ************************************************************************/
9980 /* Display Error Handling functions not used on W32. Listing them here
9981 helps diff stay in step when comparing w32term.c with xterm.c.
9983 x_error_catcher (display, error)
9984 x_catch_errors (dpy)
9985 x_catch_errors_unwind (old_val)
9986 x_check_errors (dpy, format)
9987 x_had_errors_p (dpy)
9988 x_clear_errors (dpy)
9989 x_uncatch_errors (dpy, count)
9991 x_connection_signal (signalnum)
9992 x_connection_closed (dpy, error_message)
9993 x_error_quitter (display, error)
9994 x_error_handler (display, error)
9995 x_io_error_quitter (display)
10000 /* Changing the font of the frame. */
10002 /* Give frame F the font named FONTNAME as its default font, and
10003 return the full name of that font. FONTNAME may be a wildcard
10004 pattern; in that case, we choose some font that fits the pattern.
10005 The return value shows which font we chose. */
10008 x_new_font (f
, fontname
)
10010 register char *fontname
;
10012 struct font_info
*fontp
10013 = FS_LOAD_FONT (f
, 0, fontname
, -1);
10018 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
10019 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
10020 FRAME_FONTSET (f
) = -1;
10022 /* Compute the scroll bar width in character columns. */
10023 if (f
->scroll_bar_pixel_width
> 0)
10025 int wid
= FONT_WIDTH (FRAME_FONT (f
));
10026 f
->scroll_bar_cols
= (f
->scroll_bar_pixel_width
+ wid
-1) / wid
;
10030 int wid
= FONT_WIDTH (FRAME_FONT (f
));
10031 f
->scroll_bar_cols
= (14 + wid
- 1) / wid
;
10034 /* Now make the frame display the given font. */
10035 if (FRAME_W32_WINDOW (f
) != 0)
10037 frame_update_line_height (f
);
10038 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
10039 x_set_window_size (f
, 0, f
->width
, f
->height
);
10042 /* If we are setting a new frame's font for the first time,
10043 there are no faces yet, so this font's height is the line height. */
10044 f
->output_data
.w32
->line_height
= FONT_HEIGHT (FRAME_FONT (f
));
10046 return build_string (fontp
->full_name
);
10049 /* Give frame F the fontset named FONTSETNAME as its default font, and
10050 return the full name of that fontset. FONTSETNAME may be a wildcard
10051 pattern; in that case, we choose some fontset that fits the pattern.
10052 The return value shows which fontset we chose. */
10055 x_new_fontset (f
, fontsetname
)
10059 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
10060 Lisp_Object result
;
10065 if (FRAME_FONTSET (f
) == fontset
)
10066 /* This fontset is already set in frame F. There's nothing more
10068 return fontset_name (fontset
);
10070 result
= x_new_font (f
, (XSTRING (fontset_ascii (fontset
))->data
));
10072 if (!STRINGP (result
))
10073 /* Can't load ASCII font. */
10076 /* Since x_new_font doesn't update any fontset information, do it now. */
10077 FRAME_FONTSET(f
) = fontset
;
10079 return build_string (fontsetname
);
10082 /* Compute actual fringe widths */
10085 x_compute_fringe_widths (f
, redraw
)
10089 int o_left
= f
->output_data
.w32
->left_fringe_width
;
10090 int o_right
= f
->output_data
.w32
->right_fringe_width
;
10091 int o_cols
= f
->output_data
.w32
->fringe_cols
;
10093 Lisp_Object left_fringe
= Fassq (Qleft_fringe
, f
->param_alist
);
10094 Lisp_Object right_fringe
= Fassq (Qright_fringe
, f
->param_alist
);
10095 int left_fringe_width
, right_fringe_width
;
10097 if (!NILP (left_fringe
))
10098 left_fringe
= Fcdr (left_fringe
);
10099 if (!NILP (right_fringe
))
10100 right_fringe
= Fcdr (right_fringe
);
10102 left_fringe_width
= ((NILP (left_fringe
) || !INTEGERP (left_fringe
)) ? 8 :
10103 XINT (left_fringe
));
10104 right_fringe_width
= ((NILP (right_fringe
) || !INTEGERP (right_fringe
)) ? 8 :
10105 XINT (right_fringe
));
10107 if (left_fringe_width
|| right_fringe_width
)
10109 int left_wid
= left_fringe_width
>= 0 ? left_fringe_width
: -left_fringe_width
;
10110 int right_wid
= right_fringe_width
>= 0 ? right_fringe_width
: -right_fringe_width
;
10111 int conf_wid
= left_wid
+ right_wid
;
10112 int font_wid
= FONT_WIDTH (f
->output_data
.w32
->font
);
10113 int cols
= (left_wid
+ right_wid
+ font_wid
-1) / font_wid
;
10114 int real_wid
= cols
* font_wid
;
10115 if (left_wid
&& right_wid
)
10117 if (left_fringe_width
< 0)
10119 /* Left fringe width is fixed, adjust right fringe if necessary */
10120 f
->output_data
.w32
->left_fringe_width
= left_wid
;
10121 f
->output_data
.w32
->right_fringe_width
= real_wid
- left_wid
;
10123 else if (right_fringe_width
< 0)
10125 /* Right fringe width is fixed, adjust left fringe if necessary */
10126 f
->output_data
.w32
->left_fringe_width
= real_wid
- right_wid
;
10127 f
->output_data
.w32
->right_fringe_width
= right_wid
;
10131 /* Adjust both fringes with an equal amount.
10132 Note that we are doing integer arithmetic here, so don't
10133 lose a pixel if the total width is an odd number. */
10134 int fill
= real_wid
- conf_wid
;
10135 f
->output_data
.w32
->left_fringe_width
= left_wid
+ fill
/2;
10136 f
->output_data
.w32
->right_fringe_width
= right_wid
+ fill
- fill
/2;
10139 else if (left_fringe_width
)
10141 f
->output_data
.w32
->left_fringe_width
= real_wid
;
10142 f
->output_data
.w32
->right_fringe_width
= 0;
10146 f
->output_data
.w32
->left_fringe_width
= 0;
10147 f
->output_data
.w32
->right_fringe_width
= real_wid
;
10149 f
->output_data
.w32
->fringe_cols
= cols
;
10150 f
->output_data
.w32
->fringes_extra
= real_wid
;
10154 f
->output_data
.w32
->left_fringe_width
= 0;
10155 f
->output_data
.w32
->right_fringe_width
= 0;
10156 f
->output_data
.w32
->fringe_cols
= 0;
10157 f
->output_data
.w32
->fringes_extra
= 0;
10160 if (redraw
&& FRAME_VISIBLE_P (f
))
10161 if (o_left
!= f
->output_data
.w32
->left_fringe_width
||
10162 o_right
!= f
->output_data
.w32
->right_fringe_width
||
10163 o_cols
!= f
->output_data
.w32
->fringe_cols
)
10167 /***********************************************************************
10168 TODO: W32 Input Methods
10169 ***********************************************************************/
10170 /* Listing missing functions from xterm.c helps diff stay in step.
10172 xim_destroy_callback (xim, client_data, call_data)
10173 xim_open_dpy (dpyinfo, resource_name)
10175 xim_instantiate_callback (display, client_data, call_data)
10176 xim_initialize (dpyinfo, resource_name)
10177 xim_close_dpy (dpyinfo)
10182 /* Calculate the absolute position in frame F
10183 from its current recorded position values and gravity. */
10186 x_calc_absolute_position (f
)
10190 int flags
= f
->output_data
.w32
->size_hint_flags
;
10194 /* Find the position of the outside upper-left corner of
10195 the inner window, with respect to the outer window.
10196 But do this only if we will need the results. */
10197 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
10200 MapWindowPoints (FRAME_W32_WINDOW (f
),
10201 f
->output_data
.w32
->parent_desc
,
10208 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
10211 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
10212 FRAME_EXTERNAL_MENU_BAR (f
));
10215 pt
.x
+= (rt
.right
- rt
.left
);
10216 pt
.y
+= (rt
.bottom
- rt
.top
);
10219 /* Treat negative positions as relative to the leftmost bottommost
10220 position that fits on the screen. */
10221 if (flags
& XNegative
)
10222 f
->output_data
.w32
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
10223 - 2 * f
->output_data
.w32
->border_width
- pt
.x
10225 + f
->output_data
.w32
->left_pos
);
10227 if (flags
& YNegative
)
10228 f
->output_data
.w32
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
10229 - 2 * f
->output_data
.w32
->border_width
- pt
.y
10231 + f
->output_data
.w32
->top_pos
);
10232 /* The left_pos and top_pos
10233 are now relative to the top and left screen edges,
10234 so the flags should correspond. */
10235 f
->output_data
.w32
->size_hint_flags
&= ~ (XNegative
| YNegative
);
10238 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
10239 to really change the position, and 0 when calling from
10240 x_make_frame_visible (in that case, XOFF and YOFF are the current
10241 position values). It is -1 when calling from x_set_frame_parameters,
10242 which means, do adjust for borders but don't change the gravity. */
10245 x_set_offset (f
, xoff
, yoff
, change_gravity
)
10247 register int xoff
, yoff
;
10248 int change_gravity
;
10250 int modified_top
, modified_left
;
10252 if (change_gravity
> 0)
10254 f
->output_data
.w32
->top_pos
= yoff
;
10255 f
->output_data
.w32
->left_pos
= xoff
;
10256 f
->output_data
.w32
->size_hint_flags
&= ~ (XNegative
| YNegative
);
10258 f
->output_data
.w32
->size_hint_flags
|= XNegative
;
10260 f
->output_data
.w32
->size_hint_flags
|= YNegative
;
10261 f
->output_data
.w32
->win_gravity
= NorthWestGravity
;
10263 x_calc_absolute_position (f
);
10266 x_wm_set_size_hint (f
, (long) 0, 0);
10268 modified_left
= f
->output_data
.w32
->left_pos
;
10269 modified_top
= f
->output_data
.w32
->top_pos
;
10271 my_set_window_pos (FRAME_W32_WINDOW (f
),
10273 modified_left
, modified_top
,
10275 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
10280 /* Check if we need to resize the frame due to a fullscreen request.
10281 If so needed, resize the frame. */
10283 x_check_fullscreen (f
)
10286 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_BOTH
)
10288 int width
, height
, ign
;
10290 x_real_positions (f
, &f
->output_data
.w32
->left_pos
,
10291 &f
->output_data
.w32
->top_pos
);
10293 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
10295 /* We do not need to move the window, it shall be taken care of
10296 when setting WM manager hints.
10297 If the frame is visible already, the position is checked by
10298 x_check_fullscreen_move. */
10299 if (f
->width
!= width
|| f
->height
!= height
)
10301 change_frame_size (f
, height
, width
, 0, 1, 0);
10302 SET_FRAME_GARBAGED (f
);
10303 cancel_mouse_face (f
);
10305 /* Wait for the change of frame size to occur */
10306 f
->output_data
.w32
->want_fullscreen
|= FULLSCREEN_WAIT
;
10311 /* If frame parameters are set after the frame is mapped, we need to move
10312 the window. This is done in xfns.c.
10313 Some window managers moves the window to the right position, some
10314 moves the outer window manager window to the specified position.
10315 Here we check that we are in the right spot. If not, make a second
10316 move, assuming we are dealing with the second kind of window manager. */
10318 x_check_fullscreen_move (f
)
10321 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_MOVE_WAIT
)
10323 int expect_top
= f
->output_data
.w32
->top_pos
;
10324 int expect_left
= f
->output_data
.w32
->left_pos
;
10326 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_HEIGHT
)
10328 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_WIDTH
)
10331 if (expect_top
!= f
->output_data
.w32
->top_pos
10332 || expect_left
!= f
->output_data
.w32
->left_pos
)
10333 x_set_offset (f
, expect_left
, expect_top
, 1);
10335 /* Just do this once */
10336 f
->output_data
.w32
->want_fullscreen
&= ~FULLSCREEN_MOVE_WAIT
;
10341 /* Calculate fullscreen size. Return in *TOP_POS and *LEFT_POS the
10342 wanted positions of the WM window (not emacs window).
10343 Return in *WIDTH and *HEIGHT the wanted width and height of Emacs
10344 window (FRAME_X_WINDOW).
10347 x_fullscreen_adjust (f
, width
, height
, top_pos
, left_pos
)
10354 int newwidth
= f
->width
, newheight
= f
->height
;
10356 *top_pos
= f
->output_data
.w32
->top_pos
;
10357 *left_pos
= f
->output_data
.w32
->left_pos
;
10359 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_HEIGHT
)
10363 ph
= FRAME_X_DISPLAY_INFO (f
)->height
;
10364 newheight
= PIXEL_TO_CHAR_HEIGHT (f
, ph
);
10365 ph
= CHAR_TO_PIXEL_HEIGHT (f
, newheight
)
10366 - f
->output_data
.w32
->y_pixels_diff
;
10367 newheight
= PIXEL_TO_CHAR_HEIGHT (f
, ph
);
10371 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_WIDTH
)
10375 pw
= FRAME_X_DISPLAY_INFO (f
)->width
;
10376 newwidth
= PIXEL_TO_CHAR_WIDTH (f
, pw
);
10377 pw
= CHAR_TO_PIXEL_WIDTH (f
, newwidth
)
10378 - f
->output_data
.w32
->x_pixels_diff
;
10379 newwidth
= PIXEL_TO_CHAR_WIDTH (f
, pw
);
10384 *height
= newheight
;
10388 /* Call this to change the size of frame F's x-window.
10389 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
10390 for this size change and subsequent size changes.
10391 Otherwise we leave the window gravity unchanged. */
10394 x_set_window_size (f
, change_gravity
, cols
, rows
)
10396 int change_gravity
;
10399 int pixelwidth
, pixelheight
;
10403 check_frame_size (f
, &rows
, &cols
);
10404 f
->output_data
.w32
->vertical_scroll_bar_extra
10405 = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f
)
10407 : (FRAME_SCROLL_BAR_COLS (f
) * FONT_WIDTH (f
->output_data
.w32
->font
)));
10409 x_compute_fringe_widths (f
, 0);
10411 pixelwidth
= CHAR_TO_PIXEL_WIDTH (f
, cols
);
10412 pixelheight
= CHAR_TO_PIXEL_HEIGHT (f
, rows
);
10414 f
->output_data
.w32
->win_gravity
= NorthWestGravity
;
10415 x_wm_set_size_hint (f
, (long) 0, 0);
10420 rect
.left
= rect
.top
= 0;
10421 rect
.right
= pixelwidth
;
10422 rect
.bottom
= pixelheight
;
10424 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
10425 FRAME_EXTERNAL_MENU_BAR (f
));
10427 my_set_window_pos (FRAME_W32_WINDOW (f
),
10430 rect
.right
- rect
.left
,
10431 rect
.bottom
- rect
.top
,
10432 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
10435 /* Now, strictly speaking, we can't be sure that this is accurate,
10436 but the window manager will get around to dealing with the size
10437 change request eventually, and we'll hear how it went when the
10438 ConfigureNotify event gets here.
10440 We could just not bother storing any of this information here,
10441 and let the ConfigureNotify event set everything up, but that
10442 might be kind of confusing to the Lisp code, since size changes
10443 wouldn't be reported in the frame parameters until some random
10444 point in the future when the ConfigureNotify event arrives.
10446 We pass 1 for DELAY since we can't run Lisp code inside of
10448 change_frame_size (f
, rows
, cols
, 0, 1, 0);
10449 PIXEL_WIDTH (f
) = pixelwidth
;
10450 PIXEL_HEIGHT (f
) = pixelheight
;
10452 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
10453 receive in the ConfigureNotify event; if we get what we asked
10454 for, then the event won't cause the screen to become garbaged, so
10455 we have to make sure to do it here. */
10456 SET_FRAME_GARBAGED (f
);
10458 /* If cursor was outside the new size, mark it as off. */
10459 mark_window_cursors_off (XWINDOW (f
->root_window
));
10461 /* Clear out any recollection of where the mouse highlighting was,
10462 since it might be in a place that's outside the new frame size.
10463 Actually checking whether it is outside is a pain in the neck,
10464 so don't try--just let the highlighting be done afresh with new size. */
10465 cancel_mouse_face (f
);
10470 /* Mouse warping. */
10472 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
10475 x_set_mouse_position (f
, x
, y
)
10481 pix_x
= CHAR_TO_PIXEL_COL (f
, x
) + FONT_WIDTH (f
->output_data
.w32
->font
) / 2;
10482 pix_y
= CHAR_TO_PIXEL_ROW (f
, y
) + f
->output_data
.w32
->line_height
/ 2;
10484 if (pix_x
< 0) pix_x
= 0;
10485 if (pix_x
> PIXEL_WIDTH (f
)) pix_x
= PIXEL_WIDTH (f
);
10487 if (pix_y
< 0) pix_y
= 0;
10488 if (pix_y
> PIXEL_HEIGHT (f
)) pix_y
= PIXEL_HEIGHT (f
);
10490 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
10494 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
10503 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
10504 pt
.x
= rect
.left
+ pix_x
;
10505 pt
.y
= rect
.top
+ pix_y
;
10506 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
10508 SetCursorPos (pt
.x
, pt
.y
);
10514 /* focus shifting, raising and lowering. */
10517 x_focus_on_frame (f
)
10520 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
10522 /* Give input focus to frame. */
10525 /* Try not to change its Z-order if possible. */
10526 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
10527 my_set_focus (f
, FRAME_W32_WINDOW (f
));
10530 my_set_foreground_window (FRAME_W32_WINDOW (f
));
10535 x_unfocus_frame (f
)
10540 /* Raise frame F. */
10547 /* Strictly speaking, raise-frame should only change the frame's Z
10548 order, leaving input focus unchanged. This is reasonable behaviour
10549 on X where the usual policy is point-to-focus. However, this
10550 behaviour would be very odd on Windows where the usual policy is
10553 On X, if the mouse happens to be over the raised frame, it gets
10554 input focus anyway (so the window with focus will never be
10555 completely obscured) - if not, then just moving the mouse over it
10556 is sufficient to give it focus. On Windows, the user must actually
10557 click on the frame (preferrably the title bar so as not to move
10558 point), which is more awkward. Also, no other Windows program
10559 raises a window to the top but leaves another window (possibly now
10560 completely obscured) with input focus.
10562 Because there is a system setting on Windows that allows the user
10563 to choose the point to focus policy, we make the strict semantics
10564 optional, but by default we grab focus when raising. */
10566 if (NILP (Vw32_grab_focus_on_raise
))
10568 /* The obvious call to my_set_window_pos doesn't work if Emacs is
10569 not already the foreground application: the frame is raised
10570 above all other frames belonging to us, but not above the
10571 current top window. To achieve that, we have to resort to this
10572 more cumbersome method. */
10574 HDWP handle
= BeginDeferWindowPos (2);
10577 DeferWindowPos (handle
,
10578 FRAME_W32_WINDOW (f
),
10581 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
10583 DeferWindowPos (handle
,
10584 GetForegroundWindow (),
10585 FRAME_W32_WINDOW (f
),
10587 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
10589 EndDeferWindowPos (handle
);
10594 my_set_foreground_window (FRAME_W32_WINDOW (f
));
10600 /* Lower frame F. */
10606 my_set_window_pos (FRAME_W32_WINDOW (f
),
10609 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
10614 w32_frame_raise_lower (f
, raise_flag
)
10618 if (! FRAME_W32_P (f
))
10627 /* Change of visibility. */
10629 /* This tries to wait until the frame is really visible.
10630 However, if the window manager asks the user where to position
10631 the frame, this will return before the user finishes doing that.
10632 The frame will not actually be visible at that time,
10633 but it will become visible later when the window manager
10634 finishes with it. */
10637 x_make_frame_visible (f
)
10644 type
= x_icon_type (f
);
10646 x_bitmap_icon (f
, type
);
10648 if (! FRAME_VISIBLE_P (f
))
10650 /* We test FRAME_GARBAGED_P here to make sure we don't
10651 call x_set_offset a second time
10652 if we get to x_make_frame_visible a second time
10653 before the window gets really visible. */
10654 if (! FRAME_ICONIFIED_P (f
)
10655 && ! f
->output_data
.w32
->asked_for_visible
)
10656 x_set_offset (f
, f
->output_data
.w32
->left_pos
, f
->output_data
.w32
->top_pos
, 0);
10658 f
->output_data
.w32
->asked_for_visible
= 1;
10660 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
10661 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
10664 /* Synchronize to ensure Emacs knows the frame is visible
10665 before we do anything else. We do this loop with input not blocked
10666 so that incoming events are handled. */
10671 /* This must come after we set COUNT. */
10674 XSETFRAME (frame
, f
);
10676 /* Wait until the frame is visible. Process X events until a
10677 MapNotify event has been seen, or until we think we won't get a
10678 MapNotify at all.. */
10679 for (count
= input_signal_count
+ 10;
10680 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
10682 /* Force processing of queued events. */
10683 /* TODO: x_sync equivalent? */
10685 /* Machines that do polling rather than SIGIO have been observed
10686 to go into a busy-wait here. So we'll fake an alarm signal
10687 to let the handler know that there's something to be read.
10688 We used to raise a real alarm, but it seems that the handler
10689 isn't always enabled here. This is probably a bug. */
10690 if (input_polling_used ())
10692 /* It could be confusing if a real alarm arrives while processing
10693 the fake one. Turn it off and let the handler reset it. */
10694 int old_poll_suppress_count
= poll_suppress_count
;
10695 poll_suppress_count
= 1;
10696 poll_for_input_1 ();
10697 poll_suppress_count
= old_poll_suppress_count
;
10700 FRAME_SAMPLE_VISIBILITY (f
);
10704 /* Change from mapped state to withdrawn state. */
10706 /* Make the frame visible (mapped and not iconified). */
10708 x_make_frame_invisible (f
)
10711 /* Don't keep the highlight on an invisible frame. */
10712 if (FRAME_W32_DISPLAY_INFO (f
)->w32_highlight_frame
== f
)
10713 FRAME_W32_DISPLAY_INFO (f
)->w32_highlight_frame
= 0;
10717 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
10719 /* We can't distinguish this from iconification
10720 just by the event that we get from the server.
10721 So we can't win using the usual strategy of letting
10722 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
10723 and synchronize with the server to make sure we agree. */
10725 FRAME_ICONIFIED_P (f
) = 0;
10726 f
->async_visible
= 0;
10727 f
->async_iconified
= 0;
10732 /* Change window state from mapped to iconified. */
10735 x_iconify_frame (f
)
10740 /* Don't keep the highlight on an invisible frame. */
10741 if (FRAME_W32_DISPLAY_INFO (f
)->w32_highlight_frame
== f
)
10742 FRAME_W32_DISPLAY_INFO (f
)->w32_highlight_frame
= 0;
10744 if (f
->async_iconified
)
10749 type
= x_icon_type (f
);
10751 x_bitmap_icon (f
, type
);
10753 /* Simulate the user minimizing the frame. */
10754 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
10760 /* Free X resources of frame F. */
10763 x_free_frame_resources (f
)
10766 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
10770 if (FRAME_W32_WINDOW (f
))
10771 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
10773 free_frame_menubar (f
);
10775 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
10776 unload_color (f
, f
->output_data
.x
->background_pixel
);
10777 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
10778 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
10779 unload_color (f
, f
->output_data
.w32
->border_pixel
);
10780 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
10781 if (f
->output_data
.w32
->white_relief
.allocated_p
)
10782 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
10783 if (f
->output_data
.w32
->black_relief
.allocated_p
)
10784 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
10786 if (FRAME_FACE_CACHE (f
))
10787 free_frame_faces (f
);
10789 xfree (f
->output_data
.w32
);
10790 f
->output_data
.w32
= NULL
;
10792 if (f
== dpyinfo
->w32_focus_frame
)
10793 dpyinfo
->w32_focus_frame
= 0;
10794 if (f
== dpyinfo
->w32_focus_event_frame
)
10795 dpyinfo
->w32_focus_event_frame
= 0;
10796 if (f
== dpyinfo
->w32_highlight_frame
)
10797 dpyinfo
->w32_highlight_frame
= 0;
10799 if (f
== dpyinfo
->mouse_face_mouse_frame
)
10801 dpyinfo
->mouse_face_beg_row
10802 = dpyinfo
->mouse_face_beg_col
= -1;
10803 dpyinfo
->mouse_face_end_row
10804 = dpyinfo
->mouse_face_end_col
= -1;
10805 dpyinfo
->mouse_face_window
= Qnil
;
10806 dpyinfo
->mouse_face_deferred_gc
= 0;
10807 dpyinfo
->mouse_face_mouse_frame
= 0;
10814 /* Destroy the window of frame F. */
10816 x_destroy_window (f
)
10819 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
10821 x_free_frame_resources (f
);
10823 dpyinfo
->reference_count
--;
10827 /* Setting window manager hints. */
10829 /* Set the normal size hints for the window manager, for frame F.
10830 FLAGS is the flags word to use--or 0 meaning preserve the flags
10831 that the window now has.
10832 If USER_POSITION is nonzero, we set the USPosition
10833 flag (this is useful when FLAGS is 0). */
10835 x_wm_set_size_hint (f
, flags
, user_position
)
10840 Window window
= FRAME_W32_WINDOW (f
);
10844 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FONT_WIDTH (f
->output_data
.w32
->font
));
10845 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, f
->output_data
.w32
->line_height
);
10846 SetWindowLong (window
, WND_BORDER_INDEX
, f
->output_data
.w32
->internal_border_width
);
10847 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->output_data
.w32
->vertical_scroll_bar_extra
);
10852 /* Window manager things */
10853 x_wm_set_icon_position (f
, icon_x
, icon_y
)
10855 int icon_x
, icon_y
;
10858 Window window
= FRAME_W32_WINDOW (f
);
10860 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
10861 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
10862 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
10864 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
10869 /***********************************************************************
10871 ***********************************************************************/
10873 /* The following functions are listed here to help diff stay in step
10874 with xterm.c. See w32fns.c for definitions.
10876 x_get_font_info (f, font_idx)
10877 x_list_fonts (f, pattern, size, maxnames)
10883 /* Check that FONT is valid on frame F. It is if it can be found in F's
10887 x_check_font (f
, font
)
10892 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
10894 xassert (font
!= NULL
);
10896 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
10897 if (dpyinfo
->font_table
[i
].name
10898 && font
== dpyinfo
->font_table
[i
].font
)
10901 xassert (i
< dpyinfo
->n_fonts
);
10904 #endif /* GLYPH_DEBUG != 0 */
10906 /* Set *W to the minimum width, *H to the minimum font height of FONT.
10907 Note: There are (broken) X fonts out there with invalid XFontStruct
10908 min_bounds contents. For example, handa@etl.go.jp reports that
10909 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
10910 have font->min_bounds.width == 0. */
10913 x_font_min_bounds (font
, w
, h
)
10918 * TODO: Windows does not appear to offer min bound, only
10919 * average and maximum width, and maximum height.
10921 *h
= FONT_HEIGHT (font
);
10922 *w
= FONT_WIDTH (font
);
10926 /* Compute the smallest character width and smallest font height over
10927 all fonts available on frame F. Set the members smallest_char_width
10928 and smallest_font_height in F's x_display_info structure to
10929 the values computed. Value is non-zero if smallest_font_height or
10930 smallest_char_width become smaller than they were before. */
10933 x_compute_min_glyph_bounds (f
)
10937 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
10939 int old_width
= dpyinfo
->smallest_char_width
;
10940 int old_height
= dpyinfo
->smallest_font_height
;
10942 dpyinfo
->smallest_font_height
= 100000;
10943 dpyinfo
->smallest_char_width
= 100000;
10945 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
10946 if (dpyinfo
->font_table
[i
].name
)
10948 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
10951 font
= (XFontStruct
*) fontp
->font
;
10952 xassert (font
!= (XFontStruct
*) ~0);
10953 x_font_min_bounds (font
, &w
, &h
);
10955 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
10956 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
10959 xassert (dpyinfo
->smallest_char_width
> 0
10960 && dpyinfo
->smallest_font_height
> 0);
10962 return (dpyinfo
->n_fonts
== 1
10963 || dpyinfo
->smallest_char_width
< old_width
10964 || dpyinfo
->smallest_font_height
< old_height
);
10967 /* The following functions are listed here to help diff stay in step
10968 with xterm.c. See w32fns.c for definitions.
10970 x_load_font (f, fontname, size)
10971 x_query_font (f, fontname)
10972 x_find_ccl_program (fontp)
10976 /***********************************************************************
10978 ***********************************************************************/
10980 static int w32_initialized
= 0;
10983 w32_initialize_display_info (display_name
)
10984 Lisp_Object display_name
;
10986 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
10988 bzero (dpyinfo
, sizeof (*dpyinfo
));
10990 /* Put it on w32_display_name_list. */
10991 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
10992 w32_display_name_list
);
10993 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
10995 dpyinfo
->w32_id_name
10996 = (char *) xmalloc (XSTRING (Vinvocation_name
)->size
10997 + XSTRING (Vsystem_name
)->size
10999 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
11000 XSTRING (Vinvocation_name
)->data
, XSTRING (Vsystem_name
)->data
);
11002 /* Default Console mode values - overridden when running in GUI mode
11003 with values obtained from system metrics. */
11006 dpyinfo
->height_in
= 1;
11007 dpyinfo
->width_in
= 1;
11008 dpyinfo
->n_planes
= 1;
11009 dpyinfo
->n_cbits
= 4;
11010 dpyinfo
->n_fonts
= 0;
11011 dpyinfo
->smallest_font_height
= 1;
11012 dpyinfo
->smallest_char_width
= 1;
11014 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
11015 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
11016 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
11017 dpyinfo
->mouse_face_window
= Qnil
;
11018 dpyinfo
->mouse_face_overlay
= Qnil
;
11019 dpyinfo
->mouse_face_hidden
= 0;
11020 /* TODO: dpyinfo->gray */
11024 struct w32_display_info
*
11025 w32_term_init (display_name
, xrm_option
, resource_name
)
11026 Lisp_Object display_name
;
11028 char *resource_name
;
11030 struct w32_display_info
*dpyinfo
;
11035 if (!w32_initialized
)
11038 w32_initialized
= 1;
11049 argv
[argc
++] = "-xrm";
11050 argv
[argc
++] = xrm_option
;
11054 w32_initialize_display_info (display_name
);
11056 dpyinfo
= &one_w32_display_info
;
11058 /* Put this display on the chain. */
11059 dpyinfo
->next
= x_display_list
;
11060 x_display_list
= dpyinfo
;
11062 hdc
= GetDC (GetDesktopWindow ());
11064 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
11065 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
11066 dpyinfo
->root_window
= GetDesktopWindow ();
11067 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
11068 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
11069 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
11070 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
11071 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
11072 dpyinfo
->image_cache
= make_image_cache ();
11073 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
11074 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
11075 ReleaseDC (GetDesktopWindow (), hdc
);
11077 /* initialise palette with white and black */
11080 w32_defined_color (0, "white", &color
, 1);
11081 w32_defined_color (0, "black", &color
, 1);
11084 /* Create Row Bitmaps and store them for later use. */
11085 left_bmp
= CreateBitmap (left_width
, left_height
, 1, 1, left_bits
);
11086 ov_bmp
= CreateBitmap (ov_width
, ov_height
, 1, 1, ov_bits
);
11087 right_bmp
= CreateBitmap (right_width
, right_height
, 1, 1, right_bits
);
11088 continued_bmp
= CreateBitmap (continued_width
, continued_height
, 1,
11089 1, continued_bits
);
11090 continuation_bmp
= CreateBitmap (continuation_width
, continuation_height
,
11091 1, 1, continuation_bits
);
11092 zv_bmp
= CreateBitmap (zv_width
, zv_height
, 1, 1, zv_bits
);
11094 #ifndef F_SETOWN_BUG
11096 #ifdef F_SETOWN_SOCK_NEG
11097 /* stdin is a socket here */
11098 fcntl (connection
, F_SETOWN
, -getpid ());
11099 #else /* ! defined (F_SETOWN_SOCK_NEG) */
11100 fcntl (connection
, F_SETOWN
, getpid ());
11101 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
11102 #endif /* ! defined (F_SETOWN) */
11103 #endif /* F_SETOWN_BUG */
11106 if (interrupt_input
)
11107 init_sigio (connection
);
11108 #endif /* ! defined (SIGIO) */
11115 /* Get rid of display DPYINFO, assuming all frames are already gone. */
11118 x_delete_display (dpyinfo
)
11119 struct w32_display_info
*dpyinfo
;
11121 /* Discard this display from w32_display_name_list and w32_display_list.
11122 We can't use Fdelq because that can quit. */
11123 if (! NILP (w32_display_name_list
)
11124 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
11125 w32_display_name_list
= XCDR (w32_display_name_list
);
11130 tail
= w32_display_name_list
;
11131 while (CONSP (tail
) && CONSP (XCDR (tail
)))
11133 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
11135 XSETCDR (tail
, XCDR (XCDR (tail
)));
11138 tail
= XCDR (tail
);
11142 /* free palette table */
11144 struct w32_palette_entry
* plist
;
11146 plist
= dpyinfo
->color_list
;
11149 struct w32_palette_entry
* pentry
= plist
;
11150 plist
= plist
->next
;
11153 dpyinfo
->color_list
= NULL
;
11154 if (dpyinfo
->palette
)
11155 DeleteObject(dpyinfo
->palette
);
11157 xfree (dpyinfo
->font_table
);
11158 xfree (dpyinfo
->w32_id_name
);
11160 /* Destroy row bitmaps. */
11161 DeleteObject (left_bmp
);
11162 DeleteObject (ov_bmp
);
11163 DeleteObject (right_bmp
);
11164 DeleteObject (continued_bmp
);
11165 DeleteObject (continuation_bmp
);
11166 DeleteObject (zv_bmp
);
11169 /* Set up use of W32. */
11171 DWORD
w32_msg_worker ();
11174 x_flush (struct frame
* f
)
11175 { /* Nothing to do */ }
11177 static struct redisplay_interface w32_redisplay_interface
=
11182 x_clear_end_of_line
,
11184 x_after_update_window_line
,
11185 x_update_window_begin
,
11186 x_update_window_end
,
11189 x_clear_mouse_face
,
11190 x_get_glyph_overhangs
,
11191 x_fix_overlapping_area
11197 rif
= &w32_redisplay_interface
;
11199 /* MSVC does not type K&R functions with no arguments correctly, and
11200 so we must explicitly cast them. */
11201 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
11202 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
11203 update_begin_hook
= x_update_begin
;
11204 update_end_hook
= x_update_end
;
11206 read_socket_hook
= w32_read_socket
;
11208 frame_up_to_date_hook
= w32_frame_up_to_date
;
11210 mouse_position_hook
= w32_mouse_position
;
11211 frame_rehighlight_hook
= w32_frame_rehighlight
;
11212 frame_raise_lower_hook
= w32_frame_raise_lower
;
11213 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
11214 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
11215 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
11216 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
11217 estimate_mode_line_height_hook
= x_estimate_mode_line_height
;
11219 scroll_region_ok
= 1; /* we'll scroll partial frames */
11220 char_ins_del_ok
= 1;
11221 line_ins_del_ok
= 1; /* we'll just blt 'em */
11222 fast_clear_end_of_line
= 1; /* X does this well */
11223 memory_below_frame
= 0; /* we don't remember what scrolls
11227 w32_system_caret_hwnd
= NULL
;
11228 w32_system_caret_height
= 0;
11229 w32_system_caret_x
= 0;
11230 w32_system_caret_y
= 0;
11232 last_tool_bar_item
= -1;
11233 any_help_event_p
= 0;
11235 /* Initialize input mode: interrupt_input off, no flow control, allow
11236 8 bit character input, standard quit char. */
11237 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
11239 /* Create the window thread - it will terminate itself or when the app terminates */
11243 dwMainThreadId
= GetCurrentThreadId ();
11244 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
11245 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
11247 /* Wait for thread to start */
11252 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
11254 hWindowsThread
= CreateThread (NULL
, 0,
11255 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
11256 0, 0, &dwWindowsThreadId
);
11258 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
11261 /* It is desirable that mainThread should have the same notion of
11262 focus window and active window as windowsThread. Unfortunately, the
11263 following call to AttachThreadInput, which should do precisely what
11264 we need, causes major problems when Emacs is linked as a console
11265 program. Unfortunately, we have good reasons for doing that, so
11266 instead we need to send messages to windowsThread to make some API
11267 calls for us (ones that affect, or depend on, the active/focus
11269 #ifdef ATTACH_THREADS
11270 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
11273 /* Dynamically link to optional system components. */
11275 HANDLE user_lib
= LoadLibrary ("user32.dll");
11277 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
11279 /* New proportional scroll bar functions. */
11280 LOAD_PROC (SetScrollInfo
);
11281 LOAD_PROC (GetScrollInfo
);
11285 FreeLibrary (user_lib
);
11287 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
11288 otherwise use the fixed height. */
11289 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
11290 GetSystemMetrics (SM_CYVTHUMB
);
11292 /* For either kind of scroll bar, take account of the arrows; these
11293 effectively form the border of the main scroll bar range. */
11294 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
11295 = GetSystemMetrics (SM_CYVSCROLL
);
11302 staticpro (&w32_display_name_list
);
11303 w32_display_name_list
= Qnil
;
11305 staticpro (&last_mouse_scroll_bar
);
11306 last_mouse_scroll_bar
= Qnil
;
11308 staticpro (&Qvendor_specific_keysyms
);
11309 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
11311 DEFVAR_INT ("w32-num-mouse-buttons",
11312 &Vw32_num_mouse_buttons
,
11313 doc
: /* Number of physical mouse buttons. */);
11314 Vw32_num_mouse_buttons
= Qnil
;
11316 DEFVAR_LISP ("w32-swap-mouse-buttons",
11317 &Vw32_swap_mouse_buttons
,
11318 doc
: /* Swap the mapping of middle and right mouse buttons.
11319 When nil, middle button is mouse-2 and right button is mouse-3. */);
11320 Vw32_swap_mouse_buttons
= Qnil
;
11322 DEFVAR_LISP ("w32-grab-focus-on-raise",
11323 &Vw32_grab_focus_on_raise
,
11324 doc
: /* Raised frame grabs input focus.
11325 When t, `raise-frame' grabs input focus as well. This fits well
11326 with the normal Windows click-to-focus policy, but might not be
11327 desirable when using a point-to-focus policy. */);
11328 Vw32_grab_focus_on_raise
= Qt
;
11330 DEFVAR_LISP ("w32-capslock-is-shiftlock",
11331 &Vw32_capslock_is_shiftlock
,
11332 doc
: /* Apply CapsLock state to non character input keys.
11333 When nil, CapsLock only affects normal character input keys. */);
11334 Vw32_capslock_is_shiftlock
= Qnil
;
11336 DEFVAR_LISP ("w32-recognize-altgr",
11337 &Vw32_recognize_altgr
,
11338 doc
: /* Recognize right-alt and left-ctrl as AltGr.
11339 When nil, the right-alt and left-ctrl key combination is
11340 interpreted normally. */);
11341 Vw32_recognize_altgr
= Qt
;
11343 DEFVAR_BOOL ("w32-enable-unicode-output",
11344 &w32_enable_unicode_output
,
11345 doc
: /* Enable the use of Unicode for text output if non-nil.
11346 Unicode output may prevent some third party applications for displaying
11347 Far-East Languages on Windows 95/98 from working properly.
11348 NT uses Unicode internally anyway, so this flag will probably have no
11349 affect on NT machines. */);
11350 w32_enable_unicode_output
= 1;
11353 staticpro (&help_echo
);
11354 help_echo_object
= Qnil
;
11355 staticpro (&help_echo_object
);
11356 help_echo_window
= Qnil
;
11357 staticpro (&help_echo_window
);
11358 previous_help_echo
= Qnil
;
11359 staticpro (&previous_help_echo
);
11360 help_echo_pos
= -1;
11362 DEFVAR_BOOL ("x-autoselect-window", &x_autoselect_window_p
,
11363 doc
: /* *Non-nil means autoselect window with mouse pointer. */);
11364 x_autoselect_window_p
= 0;
11366 DEFVAR_BOOL ("w32-use-visible-system-caret",
11367 &w32_use_visible_system_caret
,
11368 doc
: /* Flag to make the system caret visible.
11369 When this is non-nil, Emacs will indicate the position of point by
11370 using the system caret instead of drawing its own cursor. Some screen
11371 reader software does not track the system cursor properly when it is
11372 invisible, and gets confused by Emacs drawing its own cursor, so this
11373 variable is initialized to t when Emacs detects that screen reader
11374 software is running as it starts up.
11376 When this variable is set, other variables affecting the appearance of
11377 the cursor have no effect. */);
11379 /* Initialize w32_use_visible_system_caret based on whether a screen
11380 reader is in use. */
11381 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
11382 &w32_use_visible_system_caret
, 0))
11383 w32_use_visible_system_caret
= 0;
11385 DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p
,
11386 doc
: /* *Non-nil means draw block cursor as wide as the glyph under it.
11387 For example, if a block cursor is over a tab, it will be drawn as
11388 wide as that tab on the display. */);
11389 x_stretch_cursor_p
= 0;
11391 #if 0 /* TODO: Setting underline position from font properties. */
11392 DEFVAR_BOOL ("x-use-underline-position-properties",
11393 &x_use_underline_position_properties
,
11394 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
11395 nil means ignore them. If you encounter fonts with bogus
11396 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
11397 to 4.1, set this to nil. */);
11398 x_use_underline_position_properties
= 1;
11401 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
11402 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
11403 Vx_toolkit_scroll_bars
= Qt
;
11405 staticpro (&last_mouse_motion_frame
);
11406 last_mouse_motion_frame
= Qnil
;