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ee78dc32 GV |
1 | /* Implementation of Win32 GUI terminal |
2 | Copyright (C) 1989, 1993, 1994, 1995 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
52cf03a1 | 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
ee78dc32 GV |
19 | |
20 | /* Added by Kevin Gallo */ | |
21 | ||
22 | #include <signal.h> | |
23 | #include <config.h> | |
24 | #include <stdio.h> | |
25 | #include "lisp.h" | |
26 | #include "blockinput.h" | |
27 | ||
28 | #include <w32term.h> | |
29 | ||
30 | #include "systty.h" | |
31 | #include "systime.h" | |
32 | ||
33 | #include <ctype.h> | |
34 | #include <errno.h> | |
35 | #include <setjmp.h> | |
36 | #include <sys/stat.h> | |
37 | ||
38 | #include "frame.h" | |
39 | #include "dispextern.h" | |
40 | #include "termhooks.h" | |
41 | #include "termopts.h" | |
42 | #include "termchar.h" | |
43 | #include "gnu.h" | |
44 | #include "disptab.h" | |
45 | #include "buffer.h" | |
46 | #include "window.h" | |
47 | #include "keyboard.h" | |
48 | #include "intervals.h" | |
49 | ||
50 | extern void free_frame_menubar (); | |
51 | ||
52cf03a1 GV |
52 | extern Lisp_Object Vwindow_system; |
53 | ||
ee78dc32 GV |
54 | #define x_any_window_to_frame x_window_to_frame |
55 | #define x_top_window_to_frame x_window_to_frame | |
56 | ||
57 | \f | |
58 | /* This is display since win32 does not support multiple ones. */ | |
59 | struct win32_display_info one_win32_display_info; | |
60 | ||
61 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
62 | one for each element of win32_display_list and in the same order. | |
63 | NAME is the name of the frame. | |
64 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
65 | Lisp_Object win32_display_name_list; | |
66 | ||
67 | /* Frame being updated by update_frame. This is declared in term.c. | |
68 | This is set by update_begin and looked at by all the | |
69 | win32 functions. It is zero while not inside an update. | |
70 | In that case, the win32 functions assume that `selected_frame' | |
71 | is the frame to apply to. */ | |
72 | extern struct frame *updating_frame; | |
73 | ||
74 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
75 | struct frame *pending_autoraise_frame; | |
76 | ||
77 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
78 | ||
79 | static int flexlines; | |
80 | ||
81 | /* During an update, nonzero if chars output now should be highlighted. */ | |
82 | ||
83 | static int highlight; | |
84 | ||
85 | /* Nominal cursor position -- where to draw output. | |
86 | During an update, these are different from the cursor-box position. */ | |
87 | ||
88 | static int curs_x; | |
89 | static int curs_y; | |
90 | ||
91 | DWORD dwWinThreadId = 0; | |
92 | HANDLE hWinThread = NULL; | |
93 | DWORD dwMainThreadId = 0; | |
94 | HANDLE hMainThread = NULL; | |
95 | ||
96 | /* Mouse movement. */ | |
97 | ||
98 | /* Where the mouse was last time we reported a mouse event. */ | |
99 | static FRAME_PTR last_mouse_frame; | |
100 | static RECT last_mouse_glyph; | |
101 | ||
52cf03a1 GV |
102 | Lisp_Object Vwin32_num_mouse_buttons; |
103 | ||
104 | Lisp_Object Vwin32_swap_mouse_buttons; | |
105 | ||
ee78dc32 GV |
106 | /* The scroll bar in which the last motion event occurred. |
107 | ||
108 | If the last motion event occurred in a scroll bar, we set this | |
109 | so win32_mouse_position can know whether to report a scroll bar motion or | |
110 | an ordinary motion. | |
111 | ||
112 | If the last motion event didn't occur in a scroll bar, we set this | |
113 | to Qnil, to tell win32_mouse_position to return an ordinary motion event. */ | |
114 | Lisp_Object last_mouse_scroll_bar; | |
115 | int last_mouse_scroll_bar_pos; | |
116 | ||
117 | /* This is a hack. We would really prefer that win32_mouse_position would | |
118 | return the time associated with the position it returns, but there | |
119 | doesn't seem to be any way to wrest the timestamp from the server | |
120 | along with the position query. So, we just keep track of the time | |
121 | of the last movement we received, and return that in hopes that | |
122 | it's somewhat accurate. */ | |
123 | Time last_mouse_movement_time; | |
124 | ||
125 | /* Incremented by w32_read_socket whenever it really tries to read events. */ | |
126 | #ifdef __STDC__ | |
127 | static int volatile input_signal_count; | |
128 | #else | |
129 | static int input_signal_count; | |
130 | #endif | |
131 | ||
132 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
133 | ||
134 | extern Lisp_Object Qface, Qmouse_face; | |
135 | ||
136 | extern int errno; | |
137 | ||
138 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
139 | extern int extra_keyboard_modifiers; | |
140 | ||
141 | static Lisp_Object Qvendor_specific_keysyms; | |
142 | ||
143 | void win32_delete_display (); | |
144 | ||
145 | static void redraw_previous_char (); | |
146 | static void redraw_following_char (); | |
147 | static unsigned int win32_get_modifiers (); | |
148 | ||
149 | static int fast_find_position (); | |
150 | static void note_mouse_highlight (); | |
151 | static void clear_mouse_face (); | |
152 | static void show_mouse_face (); | |
153 | static void do_line_dance (); | |
154 | ||
155 | static int win32_cursor_to (); | |
156 | static int win32_clear_end_of_line (); | |
157 | \f | |
158 | #if 0 | |
159 | /* This is a function useful for recording debugging information | |
160 | about the sequence of occurrences in this file. */ | |
161 | ||
162 | struct record | |
163 | { | |
164 | char *locus; | |
165 | int type; | |
166 | }; | |
167 | ||
168 | struct record event_record[100]; | |
169 | ||
170 | int event_record_index; | |
171 | ||
172 | record_event (locus, type) | |
173 | char *locus; | |
174 | int type; | |
175 | { | |
176 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
177 | event_record_index = 0; | |
178 | ||
179 | event_record[event_record_index].locus = locus; | |
180 | event_record[event_record_index].type = type; | |
181 | event_record_index++; | |
182 | } | |
183 | ||
184 | #endif /* 0 */ | |
185 | \f | |
186 | /* Return the struct win32_display_info. */ | |
187 | ||
188 | struct win32_display_info * | |
189 | win32_display_info_for_display () | |
190 | { | |
191 | return (&one_win32_display_info); | |
192 | } | |
193 | ||
194 | void | |
195 | win32_fill_rect (f, _hdc, pix, lprect) | |
196 | FRAME_PTR f; | |
197 | HDC _hdc; | |
198 | COLORREF pix; | |
199 | RECT * lprect; | |
200 | { | |
201 | HDC hdc; | |
202 | HBRUSH hb; | |
ee78dc32 GV |
203 | RECT rect; |
204 | ||
205 | if (_hdc) | |
206 | hdc = _hdc; | |
207 | else | |
208 | { | |
209 | if (!f) return; | |
52cf03a1 | 210 | hdc = get_frame_dc (f); |
ee78dc32 GV |
211 | } |
212 | ||
213 | hb = CreateSolidBrush (pix); | |
ee78dc32 | 214 | FillRect (hdc, lprect, hb); |
ee78dc32 GV |
215 | DeleteObject (hb); |
216 | ||
217 | if (!_hdc) | |
52cf03a1 | 218 | release_frame_dc (f, hdc); |
ee78dc32 GV |
219 | } |
220 | ||
221 | void | |
222 | win32_clear_window (f) | |
223 | FRAME_PTR f; | |
224 | { | |
225 | RECT rect; | |
52cf03a1 | 226 | |
ee78dc32 GV |
227 | GetClientRect (FRAME_WIN32_WINDOW (f), &rect); |
228 | win32_clear_rect (f, NULL, &rect); | |
229 | } | |
230 | ||
231 | \f | |
232 | /* Starting and ending updates. | |
233 | ||
234 | These hooks are called by update_frame at the beginning and end | |
235 | of a frame update. We record in `updating_frame' the identity | |
236 | of the frame being updated, so that the win32_... functions do not | |
237 | need to take a frame as argument. Most of the win32_... functions | |
238 | should never be called except during an update, the only exceptions | |
239 | being win32_cursor_to, win32_write_glyphs and win32_reassert_line_highlight. */ | |
240 | ||
241 | static | |
242 | win32_update_begin (f) | |
243 | struct frame *f; | |
244 | { | |
245 | if (f == 0) | |
246 | abort (); | |
247 | ||
248 | flexlines = f->height; | |
249 | highlight = 0; | |
250 | ||
251 | BLOCK_INPUT; | |
252 | ||
52cf03a1 GV |
253 | /* Regenerate display palette before drawing if list of requested |
254 | colors has changed. */ | |
255 | if (FRAME_WIN32_DISPLAY_INFO (f)->regen_palette) | |
256 | { | |
257 | win32_regenerate_palette (f); | |
258 | FRAME_WIN32_DISPLAY_INFO (f)->regen_palette = FALSE; | |
259 | } | |
260 | ||
ee78dc32 GV |
261 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
262 | { | |
263 | /* Don't do highlighting for mouse motion during the update. */ | |
264 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer = 1; | |
265 | ||
266 | /* If the frame needs to be redrawn, | |
267 | simply forget about any prior mouse highlighting. */ | |
268 | if (FRAME_GARBAGED_P (f)) | |
269 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = Qnil; | |
270 | ||
271 | if (!NILP (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window)) | |
272 | { | |
273 | int firstline, lastline, i; | |
274 | struct window *w = XWINDOW (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window); | |
275 | ||
276 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
277 | for (firstline = 0; firstline < f->height; firstline++) | |
278 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
279 | break; | |
280 | ||
281 | lastline = f->height; | |
282 | for (i = f->height - 1; i >= 0; i--) | |
283 | { | |
284 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
285 | break; | |
286 | else | |
287 | lastline = i; | |
288 | } | |
289 | ||
290 | /* Can we tell that this update does not affect the window | |
291 | where the mouse highlight is? If so, no need to turn off. | |
292 | Likewise, don't do anything if the frame is garbaged; | |
293 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
294 | are all wrong, and we will redisplay that line anyway. */ | |
295 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
296 | || lastline < XFASTINT (w->top))) | |
297 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
298 | } | |
299 | } | |
300 | ||
301 | UNBLOCK_INPUT; | |
302 | } | |
303 | ||
304 | static | |
305 | win32_update_end (f) | |
306 | struct frame *f; | |
307 | { | |
308 | BLOCK_INPUT; | |
309 | ||
310 | do_line_dance (); | |
311 | x_display_cursor (f, 1); | |
312 | ||
313 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
314 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
315 | ||
316 | UNBLOCK_INPUT; | |
317 | } | |
318 | ||
319 | /* This is called after a redisplay on frame F. */ | |
320 | ||
321 | static | |
322 | win32_frame_up_to_date (f) | |
323 | FRAME_PTR f; | |
324 | { | |
325 | if (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc | |
326 | || f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
327 | { | |
328 | note_mouse_highlight (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame, | |
329 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
330 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
331 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
332 | } | |
333 | } | |
334 | \f | |
335 | /* External interface to control of standout mode. | |
336 | Call this when about to modify line at position VPOS | |
337 | and not change whether it is highlighted. */ | |
338 | ||
339 | win32_reassert_line_highlight (new, vpos) | |
340 | int new, vpos; | |
341 | { | |
342 | highlight = new; | |
343 | } | |
344 | ||
345 | /* Call this when about to modify line at position VPOS | |
346 | and change whether it is highlighted. */ | |
347 | ||
348 | static | |
349 | win32_change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
350 | int new_highlight, vpos, first_unused_hpos; | |
351 | { | |
352 | highlight = new_highlight; | |
353 | win32_cursor_to (vpos, 0); | |
354 | win32_clear_end_of_line (updating_frame->width); | |
355 | } | |
356 | ||
357 | /* This is used when starting Emacs and when restarting after suspend. | |
358 | When starting Emacs, no window is mapped. And nothing must be done | |
359 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
360 | ||
361 | static | |
362 | win32_set_terminal_modes () | |
363 | { | |
364 | } | |
365 | ||
366 | /* This is called when exiting or suspending Emacs. | |
367 | Exiting will make the Win32 windows go away, and suspending | |
368 | requires no action. */ | |
369 | ||
370 | static | |
371 | win32_reset_terminal_modes () | |
372 | { | |
373 | } | |
374 | \f | |
375 | /* Set the nominal cursor position of the frame. | |
376 | This is where display update commands will take effect. | |
377 | This does not affect the place where the cursor-box is displayed. */ | |
378 | ||
379 | static int | |
380 | win32_cursor_to (row, col) | |
381 | register int row, col; | |
382 | { | |
383 | int orow = row; | |
384 | ||
385 | curs_x = col; | |
386 | curs_y = row; | |
387 | ||
388 | if (updating_frame == 0) | |
389 | { | |
390 | BLOCK_INPUT; | |
391 | x_display_cursor (selected_frame, 1); | |
392 | UNBLOCK_INPUT; | |
393 | } | |
394 | } | |
395 | \f | |
396 | /* Display a sequence of N glyphs found at GP. | |
397 | WINDOW is the window to output to. LEFT and TOP are starting coords. | |
398 | HL is 1 if this text is highlighted, 2 if the cursor is on it, | |
399 | 3 if should appear in its mouse-face. | |
400 | JUST_FOREGROUND if 1 means draw only the foreground; | |
401 | don't alter the background. | |
402 | ||
403 | FONT is the default font to use (for glyphs whose font-code is 0). | |
404 | ||
405 | Since the display generation code is responsible for calling | |
406 | compute_char_face and compute_glyph_face on everything it puts in | |
407 | the display structure, we can assume that the face code on each | |
408 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one | |
409 | to which we can actually apply intern_face. | |
410 | Call this function with input blocked. */ | |
411 | ||
412 | static void | |
413 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) | |
414 | struct frame *f; | |
415 | int left, top; | |
416 | register GLYPH *gp; /* Points to first GLYPH. */ | |
417 | register int n; /* Number of glyphs to display. */ | |
418 | int hl; | |
419 | int just_foreground; | |
420 | { | |
421 | /* Holds characters to be displayed. */ | |
422 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
423 | register char *cp; /* Steps through buf[]. */ | |
424 | register int tlen = GLYPH_TABLE_LENGTH; | |
425 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
426 | Window window = FRAME_WIN32_WINDOW (f); | |
427 | int orig_left = left; | |
428 | HDC hdc; | |
429 | ||
52cf03a1 | 430 | hdc = get_frame_dc (f); |
ee78dc32 GV |
431 | |
432 | while (n > 0) | |
433 | { | |
434 | /* Get the face-code of the next GLYPH. */ | |
435 | int cf, len; | |
436 | int g = *gp; | |
437 | ||
438 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
439 | cf = FAST_GLYPH_FACE (g); | |
440 | ||
441 | /* Find the run of consecutive glyphs with the same face-code. | |
442 | Extract their character codes into BUF. */ | |
443 | cp = buf; | |
444 | while (n > 0) | |
445 | { | |
446 | g = *gp; | |
447 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
448 | if (FAST_GLYPH_FACE (g) != cf) | |
449 | break; | |
450 | ||
451 | *cp++ = FAST_GLYPH_CHAR (g); | |
452 | --n; | |
453 | ++gp; | |
454 | } | |
455 | ||
456 | /* LEN gets the length of the run. */ | |
457 | len = cp - buf; | |
458 | ||
459 | /* Now output this run of chars, with the font and pixel values | |
460 | determined by the face code CF. */ | |
461 | { | |
462 | struct face *face = FRAME_DEFAULT_FACE (f); | |
463 | XFontStruct *font = FACE_FONT (face); | |
464 | int stippled = 0; | |
465 | COLORREF fg; | |
466 | COLORREF bg; | |
467 | ||
468 | /* HL = 3 means use a mouse face previously chosen. */ | |
469 | if (hl == 3) | |
470 | cf = FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id; | |
471 | ||
472 | /* First look at the face of the text itself. */ | |
473 | if (cf != 0) | |
474 | { | |
475 | /* It's possible for the display table to specify | |
476 | a face code that is out of range. Use 0 in that case. */ | |
477 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) | |
478 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
479 | cf = 0; | |
480 | ||
481 | if (cf == 1) | |
482 | face = FRAME_MODE_LINE_FACE (f); | |
483 | else | |
484 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); | |
485 | font = FACE_FONT (face); | |
486 | if (FACE_STIPPLE (face)) | |
487 | stippled = 1; | |
488 | } | |
489 | ||
490 | /* Then comes the distinction between modeline and normal text. */ | |
491 | else if (hl == 0) | |
492 | ; | |
493 | else if (hl == 1) | |
494 | { | |
495 | face = FRAME_MODE_LINE_FACE (f); | |
496 | font = FACE_FONT (face); | |
497 | if (FACE_STIPPLE (face)) | |
498 | stippled = 1; | |
499 | } | |
500 | ||
501 | fg = face->foreground; | |
502 | bg = face->background; | |
503 | ||
504 | /* Now override that if the cursor's on this character. */ | |
505 | if (hl == 2) | |
506 | { | |
507 | /* The cursor overrides stippling. */ | |
508 | stippled = 0; | |
509 | ||
510 | if ((!face->font | |
511 | || face->font == (XFontStruct *) FACE_DEFAULT | |
512 | || face->font == f->output_data.win32->font) | |
513 | && face->background == f->output_data.win32->background_pixel | |
514 | && face->foreground == f->output_data.win32->foreground_pixel) | |
515 | { | |
516 | bg = f->output_data.win32->cursor_pixel; | |
517 | fg = face->background; | |
518 | } | |
519 | /* Cursor on non-default face: must merge. */ | |
520 | else | |
521 | { | |
522 | bg = f->output_data.win32->cursor_pixel; | |
523 | fg = face->background; | |
524 | /* If the glyph would be invisible, | |
525 | try a different foreground. */ | |
526 | if (fg == bg) | |
527 | fg = face->foreground; | |
528 | if (fg == bg) | |
529 | fg = f->output_data.win32->cursor_foreground_pixel; | |
530 | if (fg == bg) | |
531 | fg = face->foreground; | |
532 | /* Make sure the cursor is distinct from text in this face. */ | |
533 | if (bg == face->background | |
534 | && fg == face->foreground) | |
535 | { | |
536 | bg = face->foreground; | |
537 | fg = face->background; | |
538 | } | |
539 | } | |
540 | } | |
541 | ||
542 | if (font == (XFontStruct *) FACE_DEFAULT) | |
543 | font = f->output_data.win32->font; | |
544 | ||
545 | SetBkMode (hdc, just_foreground ? TRANSPARENT : OPAQUE); | |
546 | ||
547 | SetTextColor (hdc, fg); | |
548 | SetBkColor (hdc, bg); | |
549 | ||
550 | SelectObject (hdc, font->hfont); | |
551 | ||
552 | TextOut (hdc, left, top, buf, len); | |
553 | ||
554 | if (!just_foreground) | |
555 | { | |
556 | /* Clear the rest of the line's height. */ | |
557 | if (f->output_data.win32->line_height != FONT_HEIGHT (font)) | |
558 | win32_fill_area (f, hdc, bg, | |
559 | left, | |
560 | top + FONT_HEIGHT (font), | |
561 | FONT_WIDTH (font) * len, | |
562 | f->output_data.win32->line_height - FONT_HEIGHT (font)); | |
563 | } | |
564 | ||
565 | { | |
566 | int underline_position = 1; | |
567 | ||
568 | if (font->tm.tmDescent <= underline_position) | |
569 | underline_position = font->tm.tmDescent - 1; | |
570 | ||
571 | if (face->underline) | |
572 | win32_fill_area (f, hdc, fg, | |
573 | left, (top | |
574 | + FONT_BASE (font) | |
575 | + underline_position), | |
576 | len * FONT_WIDTH (font), 1); | |
577 | } | |
578 | ||
579 | left += len * FONT_WIDTH (font); | |
580 | } | |
581 | } | |
582 | ||
52cf03a1 | 583 | release_frame_dc (f, hdc); |
ee78dc32 GV |
584 | } |
585 | ||
586 | \f | |
587 | /* Output some text at the nominal frame cursor position. | |
588 | Advance the cursor over the text. | |
589 | Output LEN glyphs at START. | |
590 | ||
591 | `highlight', set up by win32_reassert_line_highlight or win32_change_line_highlight, | |
592 | controls the pixel values used for foreground and background. */ | |
593 | ||
594 | static | |
595 | win32_write_glyphs (start, len) | |
596 | register GLYPH *start; | |
597 | int len; | |
598 | { | |
599 | register int temp_length; | |
600 | struct frame *f; | |
601 | ||
602 | BLOCK_INPUT; | |
603 | ||
604 | do_line_dance (); | |
605 | f = updating_frame; | |
606 | if (f == 0) | |
607 | { | |
608 | f = selected_frame; | |
609 | /* If not within an update, | |
610 | output at the frame's visible cursor. */ | |
611 | curs_x = f->cursor_x; | |
612 | curs_y = f->cursor_y; | |
613 | } | |
614 | ||
615 | dumpglyphs (f, | |
616 | CHAR_TO_PIXEL_COL (f, curs_x), | |
617 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
618 | start, len, highlight, 0); | |
619 | ||
620 | /* If we drew on top of the cursor, note that it is turned off. */ | |
621 | if (curs_y == f->phys_cursor_y | |
622 | && curs_x <= f->phys_cursor_x | |
623 | && curs_x + len > f->phys_cursor_x) | |
624 | f->phys_cursor_x = -1; | |
625 | ||
626 | if (updating_frame == 0) | |
627 | { | |
628 | f->cursor_x += len; | |
629 | x_display_cursor (f, 1); | |
630 | f->cursor_x -= len; | |
631 | } | |
632 | else | |
633 | curs_x += len; | |
634 | ||
635 | UNBLOCK_INPUT; | |
636 | } | |
637 | \f | |
638 | /* Clear to the end of the line. | |
639 | Erase the current text line from the nominal cursor position (inclusive) | |
640 | to column FIRST_UNUSED (exclusive). The idea is that everything | |
641 | from FIRST_UNUSED onward is already erased. */ | |
642 | ||
643 | static | |
644 | win32_clear_end_of_line (first_unused) | |
645 | register int first_unused; | |
646 | { | |
647 | struct frame *f = updating_frame; | |
648 | ||
649 | if (f == 0) | |
650 | abort (); | |
651 | ||
652 | if (curs_y < 0 || curs_y >= f->height) | |
653 | return 1; | |
654 | if (first_unused <= 0) | |
655 | return 1; | |
656 | ||
657 | if (first_unused >= f->width) | |
658 | first_unused = f->width; | |
659 | ||
660 | BLOCK_INPUT; | |
661 | ||
662 | do_line_dance (); | |
663 | ||
664 | /* Notice if the cursor will be cleared by this operation. */ | |
665 | if (curs_y == f->phys_cursor_y | |
666 | && curs_x <= f->phys_cursor_x | |
667 | && f->phys_cursor_x < first_unused) | |
668 | f->phys_cursor_x = -1; | |
669 | ||
670 | win32_clear_area (f, NULL, | |
671 | CHAR_TO_PIXEL_COL (f, curs_x), | |
672 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
673 | FONT_WIDTH (f->output_data.win32->font) * (first_unused - curs_x), | |
674 | f->output_data.win32->line_height); | |
675 | ||
676 | UNBLOCK_INPUT; | |
677 | } | |
678 | ||
679 | static | |
680 | win32_clear_frame () | |
681 | { | |
682 | struct frame *f = updating_frame; | |
683 | ||
684 | if (f == 0) | |
685 | f = selected_frame; | |
686 | ||
687 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
688 | curs_x = 0; /* Nominal cursor position is top left. */ | |
689 | curs_y = 0; | |
690 | ||
691 | BLOCK_INPUT; | |
692 | ||
693 | win32_clear_window (f); | |
694 | ||
695 | /* We have to clear the scroll bars, too. If we have changed | |
696 | colors or something like that, then they should be notified. */ | |
697 | x_scroll_bar_clear (f); | |
698 | ||
699 | UNBLOCK_INPUT; | |
700 | } | |
701 | \f | |
702 | /* Make audible bell. */ | |
703 | ||
704 | win32_ring_bell () | |
705 | { | |
706 | BLOCK_INPUT; | |
707 | ||
708 | if (visible_bell) | |
709 | FlashWindow (FRAME_WIN32_WINDOW (selected_frame), FALSE); | |
710 | else | |
711 | nt_ring_bell (); | |
712 | ||
713 | UNBLOCK_INPUT; | |
714 | ||
715 | return 1; | |
716 | } | |
717 | \f | |
718 | /* Insert and delete character. | |
719 | These are not supposed to be used because we are supposed to turn | |
720 | off the feature of using them. */ | |
721 | ||
722 | static | |
723 | win32_insert_glyphs (start, len) | |
724 | register char *start; | |
725 | register int len; | |
726 | { | |
727 | abort (); | |
728 | } | |
729 | ||
730 | static | |
731 | win32_delete_glyphs (n) | |
732 | register int n; | |
733 | { | |
734 | abort (); | |
735 | } | |
736 | \f | |
737 | /* Specify how many text lines, from the top of the window, | |
738 | should be affected by insert-lines and delete-lines operations. | |
739 | This, and those operations, are used only within an update | |
740 | that is bounded by calls to win32_update_begin and win32_update_end. */ | |
741 | ||
742 | static | |
743 | win32_set_terminal_window (n) | |
744 | register int n; | |
745 | { | |
746 | if (updating_frame == 0) | |
747 | abort (); | |
748 | ||
749 | if ((n <= 0) || (n > updating_frame->height)) | |
750 | flexlines = updating_frame->height; | |
751 | else | |
752 | flexlines = n; | |
753 | } | |
754 | \f | |
755 | /* These variables need not be per frame | |
756 | because redisplay is done on a frame-by-frame basis | |
757 | and the line dance for one frame is finished before | |
758 | anything is done for another frame. */ | |
759 | ||
760 | /* Array of line numbers from cached insert/delete operations. | |
761 | line_dance[i] is the old position of the line that we want | |
762 | to move to line i, or -1 if we want a blank line there. */ | |
763 | static int *line_dance; | |
764 | ||
765 | /* Allocated length of that array. */ | |
766 | static int line_dance_len; | |
767 | ||
768 | /* Flag indicating whether we've done any work. */ | |
769 | static int line_dance_in_progress; | |
770 | ||
771 | /* Perform an insert-lines or delete-lines operation, | |
772 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
773 | win32_ins_del_lines (vpos, n) | |
774 | int vpos, n; | |
775 | { | |
776 | register int fence, i; | |
777 | ||
778 | if (vpos >= flexlines) | |
779 | return 1; | |
780 | ||
781 | if (!line_dance_in_progress) | |
782 | { | |
783 | int ht = updating_frame->height; | |
784 | if (ht > line_dance_len) | |
785 | { | |
786 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
787 | line_dance_len = ht; | |
788 | } | |
789 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
790 | line_dance_in_progress = 1; | |
791 | } | |
792 | if (n >= 0) | |
793 | { | |
794 | if (n > flexlines - vpos) | |
795 | n = flexlines - vpos; | |
796 | fence = vpos + n; | |
797 | for (i = flexlines; --i >= fence;) | |
798 | line_dance[i] = line_dance[i-n]; | |
799 | for (i = fence; --i >= vpos;) | |
800 | line_dance[i] = -1; | |
801 | } | |
802 | else | |
803 | { | |
804 | n = -n; | |
805 | if (n > flexlines - vpos) | |
806 | n = flexlines - vpos; | |
807 | fence = flexlines - n; | |
808 | for (i = vpos; i < fence; ++i) | |
809 | line_dance[i] = line_dance[i + n]; | |
810 | for (i = fence; i < flexlines; ++i) | |
811 | line_dance[i] = -1; | |
812 | } | |
813 | } | |
814 | ||
815 | /* Here's where we actually move the pixels around. | |
816 | Must be called with input blocked. */ | |
817 | static void | |
818 | do_line_dance () | |
819 | { | |
820 | register int i, j, distance; | |
821 | register struct frame *f; | |
822 | int ht; | |
823 | int intborder; | |
824 | HDC hdc; | |
825 | ||
826 | /* Must check this flag first. If it's not set, then not only is the | |
827 | array uninitialized, but we might not even have a frame. */ | |
828 | if (!line_dance_in_progress) | |
829 | return; | |
830 | ||
831 | f = updating_frame; | |
832 | if (f == 0) | |
833 | abort (); | |
834 | ||
835 | ht = f->height; | |
836 | intborder = f->output_data.win32->internal_border_width; | |
837 | ||
838 | x_display_cursor (updating_frame, 0); | |
839 | ||
52cf03a1 | 840 | hdc = get_frame_dc (f); |
ee78dc32 GV |
841 | |
842 | for (i = 0; i < ht; ++i) | |
843 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
844 | { | |
845 | for (j = i; (j < ht && line_dance[j] != -1 | |
846 | && line_dance[j]-j == distance); ++j); | |
847 | /* Copy [i,j) upward from [i+distance, j+distance) */ | |
848 | BitBlt (hdc, | |
849 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
850 | f->width * FONT_WIDTH (f->output_data.win32->font), | |
851 | (j-i) * f->output_data.win32->line_height, | |
852 | hdc, | |
853 | intborder, CHAR_TO_PIXEL_ROW (f, i), | |
854 | SRCCOPY); | |
855 | i = j-1; | |
856 | } | |
857 | ||
858 | for (i = ht; --i >=0; ) | |
859 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
860 | { | |
861 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
862 | && line_dance[j]-j == distance);); | |
863 | /* Copy (j, i] downward from (j+distance, i+distance] */ | |
864 | BitBlt (hdc, | |
865 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
866 | f->width * FONT_WIDTH (f->output_data.win32->font), | |
867 | (i-j) * f->output_data.win32->line_height, | |
868 | hdc, | |
869 | intborder, CHAR_TO_PIXEL_ROW (f, j+1), | |
870 | SRCCOPY); | |
871 | i = j+1; | |
872 | } | |
873 | ||
52cf03a1 | 874 | release_frame_dc (f, hdc); |
ee78dc32 GV |
875 | |
876 | for (i = 0; i < ht; ++i) | |
877 | if (line_dance[i] == -1) | |
878 | { | |
879 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
880 | /* Clear [i,j) */ | |
881 | win32_clear_area (f, NULL, | |
882 | intborder, | |
883 | CHAR_TO_PIXEL_ROW (f, i), | |
884 | f->width * FONT_WIDTH (f->output_data.win32->font), | |
885 | (j-i) * f->output_data.win32->line_height); | |
886 | i = j-1; | |
887 | } | |
888 | line_dance_in_progress = 0; | |
889 | } | |
890 | \f | |
891 | /* Support routines for exposure events. */ | |
892 | static void clear_cursor (); | |
893 | ||
894 | /* Output into a rectangle of a window (for frame F) | |
895 | the characters in f->phys_lines that overlap that rectangle. | |
896 | TOP and LEFT are the position of the upper left corner of the rectangle. | |
897 | ROWS and COLS are the size of the rectangle. | |
898 | Call this function with input blocked. */ | |
899 | ||
900 | void | |
901 | dumprectangle (f, left, top, cols, rows) | |
902 | struct frame *f; | |
903 | register int left, top, cols, rows; | |
904 | { | |
905 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); | |
906 | int cursor_cleared = 0; | |
907 | int bottom, right; | |
908 | register int y; | |
909 | ||
910 | if (FRAME_GARBAGED_P (f)) | |
911 | return; | |
912 | ||
913 | /* Express rectangle as four edges, instead of position-and-size. */ | |
914 | bottom = top + rows; | |
915 | right = left + cols; | |
916 | ||
917 | /* Convert rectangle edges in pixels to edges in chars. | |
918 | Round down for left and top, up for right and bottom. */ | |
919 | top = PIXEL_TO_CHAR_ROW (f, top); | |
920 | left = PIXEL_TO_CHAR_COL (f, left); | |
921 | bottom += (f->output_data.win32->line_height - 1); | |
922 | right += (FONT_WIDTH (f->output_data.win32->font) - 1); | |
923 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); | |
924 | right = PIXEL_TO_CHAR_COL (f, right); | |
925 | ||
926 | /* Clip the rectangle to what can be visible. */ | |
927 | if (left < 0) | |
928 | left = 0; | |
929 | if (top < 0) | |
930 | top = 0; | |
931 | if (right > f->width) | |
932 | right = f->width; | |
933 | if (bottom > f->height) | |
934 | bottom = f->height; | |
935 | ||
936 | /* Get size in chars of the rectangle. */ | |
937 | cols = right - left; | |
938 | rows = bottom - top; | |
939 | ||
940 | /* If rectangle has zero area, return. */ | |
941 | if (rows <= 0) return; | |
942 | if (cols <= 0) return; | |
943 | ||
944 | /* Turn off the cursor if it is in the rectangle. | |
945 | We will turn it back on afterward. */ | |
946 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) | |
947 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
948 | { | |
949 | clear_cursor (f); | |
950 | cursor_cleared = 1; | |
951 | } | |
952 | ||
953 | /* Display the text in the rectangle, one text line at a time. */ | |
954 | ||
955 | for (y = top; y < bottom; y++) | |
956 | { | |
957 | GLYPH *line = &active_frame->glyphs[y][left]; | |
958 | ||
959 | if (! active_frame->enable[y] || left > active_frame->used[y]) | |
960 | continue; | |
961 | ||
962 | dumpglyphs (f, | |
963 | CHAR_TO_PIXEL_COL (f, left), | |
964 | CHAR_TO_PIXEL_ROW (f, y), | |
965 | line, min (cols, active_frame->used[y] - left), | |
966 | active_frame->highlight[y], 0); | |
967 | } | |
968 | ||
969 | /* Turn the cursor on if we turned it off. */ | |
970 | ||
971 | if (cursor_cleared) | |
972 | x_display_cursor (f, 1); | |
973 | } | |
974 | \f | |
975 | static void | |
976 | frame_highlight (f) | |
977 | struct frame *f; | |
978 | { | |
979 | x_display_cursor (f, 1); | |
980 | } | |
981 | ||
982 | static void | |
983 | frame_unhighlight (f) | |
984 | struct frame *f; | |
985 | { | |
986 | x_display_cursor (f, 1); | |
987 | } | |
988 | ||
989 | static void win32_frame_rehighlight (); | |
990 | static void x_frame_rehighlight (); | |
991 | ||
992 | /* The focus has changed. Update the frames as necessary to reflect | |
993 | the new situation. Note that we can't change the selected frame | |
994 | here, because the Lisp code we are interrupting might become confused. | |
995 | Each event gets marked with the frame in which it occurred, so the | |
996 | Lisp code can tell when the switch took place by examining the events. */ | |
997 | ||
998 | void | |
999 | x_new_focus_frame (dpyinfo, frame) | |
1000 | struct win32_display_info *dpyinfo; | |
1001 | struct frame *frame; | |
1002 | { | |
1003 | struct frame *old_focus = dpyinfo->win32_focus_frame; | |
1004 | int events_enqueued = 0; | |
1005 | ||
1006 | if (frame != dpyinfo->win32_focus_frame) | |
1007 | { | |
1008 | /* Set this before calling other routines, so that they see | |
1009 | the correct value of win32_focus_frame. */ | |
1010 | dpyinfo->win32_focus_frame = frame; | |
1011 | ||
1012 | if (old_focus && old_focus->auto_lower) | |
1013 | x_lower_frame (old_focus); | |
1014 | ||
1015 | if (dpyinfo->win32_focus_frame && dpyinfo->win32_focus_frame->auto_raise) | |
1016 | pending_autoraise_frame = dpyinfo->win32_focus_frame; | |
1017 | else | |
1018 | pending_autoraise_frame = 0; | |
1019 | } | |
1020 | ||
1021 | x_frame_rehighlight (dpyinfo); | |
1022 | } | |
1023 | ||
1024 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
1025 | ||
1026 | void | |
1027 | x_mouse_leave (dpyinfo) | |
1028 | struct win32_display_info *dpyinfo; | |
1029 | { | |
1030 | x_new_focus_frame (dpyinfo, dpyinfo->win32_focus_event_frame); | |
1031 | } | |
1032 | ||
1033 | /* The focus has changed, or we have redirected a frame's focus to | |
1034 | another frame (this happens when a frame uses a surrogate | |
1035 | minibuffer frame). Shift the highlight as appropriate. | |
1036 | ||
1037 | The FRAME argument doesn't necessarily have anything to do with which | |
1038 | frame is being highlighted or unhighlighted; we only use it to find | |
1039 | the appropriate display info. */ | |
1040 | static void | |
1041 | win32_frame_rehighlight (frame) | |
1042 | struct frame *frame; | |
1043 | { | |
1044 | x_frame_rehighlight (FRAME_WIN32_DISPLAY_INFO (frame)); | |
1045 | } | |
1046 | ||
1047 | static void | |
1048 | x_frame_rehighlight (dpyinfo) | |
1049 | struct win32_display_info *dpyinfo; | |
1050 | { | |
1051 | struct frame *old_highlight = dpyinfo->win32_highlight_frame; | |
1052 | ||
1053 | if (dpyinfo->win32_focus_frame) | |
1054 | { | |
1055 | dpyinfo->win32_highlight_frame | |
1056 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame))) | |
1057 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame)) | |
1058 | : dpyinfo->win32_focus_frame); | |
1059 | if (! FRAME_LIVE_P (dpyinfo->win32_highlight_frame)) | |
1060 | { | |
1061 | FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame) = Qnil; | |
1062 | dpyinfo->win32_highlight_frame = dpyinfo->win32_focus_frame; | |
1063 | } | |
1064 | } | |
1065 | else | |
1066 | dpyinfo->win32_highlight_frame = 0; | |
1067 | ||
1068 | if (dpyinfo->win32_highlight_frame != old_highlight) | |
1069 | { | |
1070 | if (old_highlight) | |
1071 | frame_unhighlight (old_highlight); | |
1072 | if (dpyinfo->win32_highlight_frame) | |
1073 | frame_highlight (dpyinfo->win32_highlight_frame); | |
1074 | } | |
1075 | } | |
1076 | \f | |
1077 | /* Keyboard processing - modifier keys, etc. */ | |
1078 | ||
1079 | /* Convert a keysym to its name. */ | |
1080 | ||
1081 | char * | |
1082 | x_get_keysym_name (keysym) | |
1083 | int keysym; | |
1084 | { | |
1085 | /* Make static so we can always return it */ | |
1086 | static char value[100]; | |
1087 | ||
1088 | BLOCK_INPUT; | |
1089 | GetKeyNameText(keysym, value, 100); | |
1090 | UNBLOCK_INPUT; | |
1091 | ||
1092 | return value; | |
1093 | } | |
1094 | \f | |
1095 | /* Mouse clicks and mouse movement. Rah. */ | |
1096 | ||
1097 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1098 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
1099 | that the glyph at X, Y occupies, if BOUNDS != 0. | |
1100 | If NOCLIP is nonzero, do not force the value into range. */ | |
1101 | ||
1102 | void | |
1103 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1104 | FRAME_PTR f; | |
1105 | register int pix_x, pix_y; | |
1106 | register int *x, *y; | |
1107 | RECT *bounds; | |
1108 | int noclip; | |
1109 | { | |
52cf03a1 GV |
1110 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1111 | if (NILP (Vwindow_system)) | |
1112 | { | |
1113 | *x = pix_x; | |
1114 | *y = pix_y; | |
1115 | return; | |
1116 | } | |
1117 | ||
ee78dc32 GV |
1118 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1119 | even for negative values. */ | |
1120 | if (pix_x < 0) | |
1121 | pix_x -= FONT_WIDTH ((f)->output_data.win32->font) - 1; | |
1122 | if (pix_y < 0) | |
1123 | pix_y -= (f)->output_data.win32->line_height - 1; | |
1124 | ||
1125 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
1126 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1127 | ||
1128 | if (bounds) | |
1129 | { | |
1130 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
1131 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1132 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.win32->font) - 1; | |
1133 | bounds->bottom = bounds->top + f->output_data.win32->line_height - 1; | |
1134 | } | |
1135 | ||
1136 | if (!noclip) | |
1137 | { | |
1138 | if (pix_x < 0) | |
1139 | pix_x = 0; | |
1140 | else if (pix_x > f->width) | |
1141 | pix_x = f->width; | |
1142 | ||
1143 | if (pix_y < 0) | |
1144 | pix_y = 0; | |
1145 | else if (pix_y > f->height) | |
1146 | pix_y = f->height; | |
1147 | } | |
1148 | ||
1149 | *x = pix_x; | |
1150 | *y = pix_y; | |
1151 | } | |
1152 | ||
1153 | void | |
1154 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1155 | FRAME_PTR f; | |
1156 | register int x, y; | |
1157 | register int *pix_x, *pix_y; | |
1158 | { | |
52cf03a1 GV |
1159 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1160 | if (NILP (Vwindow_system)) | |
1161 | { | |
1162 | *pix_x = x; | |
1163 | *pix_y = y; | |
1164 | return; | |
1165 | } | |
1166 | ||
ee78dc32 GV |
1167 | *pix_x = CHAR_TO_PIXEL_COL (f, x); |
1168 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1169 | } | |
1170 | ||
1171 | BOOL | |
1172 | parse_button (message, pbutton, pup) | |
1173 | int message; | |
1174 | int * pbutton; | |
1175 | int * pup; | |
1176 | { | |
1177 | int button = 0; | |
1178 | int up = 0; | |
1179 | ||
1180 | switch (message) | |
1181 | { | |
1182 | case WM_LBUTTONDOWN: | |
1183 | button = 0; | |
1184 | up = 0; | |
1185 | break; | |
1186 | case WM_LBUTTONUP: | |
1187 | button = 0; | |
1188 | up = 1; | |
1189 | break; | |
1190 | case WM_MBUTTONDOWN: | |
52cf03a1 GV |
1191 | if (NILP (Vwin32_swap_mouse_buttons)) |
1192 | button = 1; | |
1193 | else | |
1194 | button = 2; | |
ee78dc32 GV |
1195 | up = 0; |
1196 | break; | |
1197 | case WM_MBUTTONUP: | |
52cf03a1 GV |
1198 | if (NILP (Vwin32_swap_mouse_buttons)) |
1199 | button = 1; | |
1200 | else | |
1201 | button = 2; | |
ee78dc32 GV |
1202 | up = 1; |
1203 | break; | |
1204 | case WM_RBUTTONDOWN: | |
52cf03a1 GV |
1205 | if (NILP (Vwin32_swap_mouse_buttons)) |
1206 | button = 2; | |
1207 | else | |
1208 | button = 1; | |
ee78dc32 GV |
1209 | up = 0; |
1210 | break; | |
1211 | case WM_RBUTTONUP: | |
52cf03a1 GV |
1212 | if (NILP (Vwin32_swap_mouse_buttons)) |
1213 | button = 2; | |
1214 | else | |
1215 | button = 1; | |
ee78dc32 GV |
1216 | up = 1; |
1217 | break; | |
1218 | default: | |
1219 | return (FALSE); | |
1220 | } | |
1221 | ||
1222 | if (pup) *pup = up; | |
1223 | if (pbutton) *pbutton = button; | |
1224 | ||
1225 | return (TRUE); | |
1226 | } | |
1227 | ||
1228 | ||
1229 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
1230 | ||
1231 | If the event is a button press, then note that we have grabbed | |
1232 | the mouse. */ | |
1233 | ||
1234 | static void | |
1235 | construct_mouse_click (result, msg, f) | |
1236 | struct input_event *result; | |
1237 | Win32Msg *msg; | |
1238 | struct frame *f; | |
1239 | { | |
1240 | int button; | |
1241 | int up; | |
1242 | ||
1243 | parse_button (msg->msg.message, &button, &up); | |
1244 | ||
1245 | /* Make the event type no_event; we'll change that when we decide | |
1246 | otherwise. */ | |
1247 | result->kind = mouse_click; | |
1248 | result->code = button; | |
1249 | result->timestamp = msg->msg.time; | |
1250 | result->modifiers = (msg->dwModifiers | |
1251 | | (up | |
1252 | ? up_modifier | |
1253 | : down_modifier)); | |
1254 | ||
1255 | { | |
1256 | int row, column; | |
1257 | ||
1258 | XSETINT (result->x, LOWORD (msg->msg.lParam)); | |
1259 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
1260 | XSETFRAME (result->frame_or_window, f); | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | \f | |
1265 | /* Function to report a mouse movement to the mainstream Emacs code. | |
1266 | The input handler calls this. | |
1267 | ||
1268 | We have received a mouse movement event, which is given in *event. | |
1269 | If the mouse is over a different glyph than it was last time, tell | |
1270 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1271 | another motion event, so we can check again the next time it moves. */ | |
1272 | ||
1273 | static void | |
1274 | note_mouse_movement (frame, msg) | |
1275 | FRAME_PTR frame; | |
1276 | MSG *msg; | |
1277 | { | |
1278 | last_mouse_movement_time = msg->time; | |
1279 | ||
1280 | if (msg->hwnd != FRAME_WIN32_WINDOW (frame)) | |
1281 | { | |
1282 | frame->mouse_moved = 1; | |
1283 | last_mouse_scroll_bar = Qnil; | |
1284 | ||
1285 | note_mouse_highlight (frame, -1, -1); | |
1286 | } | |
1287 | ||
1288 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
1289 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left | |
1290 | || LOWORD (msg->lParam) > last_mouse_glyph.right | |
9bf7b6aa | 1291 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
ee78dc32 GV |
1292 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
1293 | { | |
1294 | frame->mouse_moved = 1; | |
1295 | last_mouse_scroll_bar = Qnil; | |
1296 | ||
1297 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | /* This is used for debugging, to turn off note_mouse_highlight. */ | |
1302 | static int disable_mouse_highlight; | |
1303 | ||
1304 | /* Take proper action when the mouse has moved to position X, Y on frame F | |
1305 | as regards highlighting characters that have mouse-face properties. | |
1306 | Also dehighlighting chars where the mouse was before. | |
1307 | X and Y can be negative or out of range. */ | |
1308 | ||
1309 | static void | |
1310 | note_mouse_highlight (f, x, y) | |
1311 | FRAME_PTR f; | |
1312 | int x, y; | |
1313 | { | |
1314 | int row, column, portion; | |
1315 | RECT new_glyph; | |
1316 | Lisp_Object window; | |
1317 | struct window *w; | |
1318 | ||
1319 | if (disable_mouse_highlight) | |
1320 | return; | |
1321 | ||
1322 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_x = x; | |
1323 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1324 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
1325 | ||
1326 | if (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer) | |
1327 | return; | |
1328 | ||
1329 | if (gc_in_progress) | |
1330 | { | |
1331 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; | |
1332 | return; | |
1333 | } | |
1334 | ||
1335 | /* Find out which glyph the mouse is on. */ | |
1336 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
1337 | &new_glyph, FRAME_WIN32_DISPLAY_INFO (f)->grabbed); | |
1338 | ||
1339 | /* Which window is that in? */ | |
1340 | window = window_from_coordinates (f, column, row, &portion); | |
1341 | w = XWINDOW (window); | |
1342 | ||
1343 | /* If we were displaying active text in another window, clear that. */ | |
1344 | if (! EQ (window, FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window)) | |
1345 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
1346 | ||
1347 | /* Are we in a window whose display is up to date? | |
1348 | And verify the buffer's text has not changed. */ | |
1349 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 | |
1350 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
1351 | && EQ (w->window_end_valid, w->buffer) | |
1352 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
1353 | { | |
1354 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1355 | int i, pos; | |
1356 | ||
1357 | /* Find which buffer position the mouse corresponds to. */ | |
1358 | for (i = column; i >= 0; i--) | |
1359 | if (ptr[i] > 0) | |
1360 | break; | |
1361 | pos = ptr[i]; | |
1362 | /* Is it outside the displayed active region (if any)? */ | |
1363 | if (pos <= 0) | |
1364 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
1365 | else if (! (EQ (window, FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window) | |
1366 | && row >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
1367 | && row <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
1368 | && (row > FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
1369 | || column >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1370 | && (row < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
1371 | || column < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col | |
1372 | || FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end))) | |
1373 | { | |
1374 | Lisp_Object mouse_face, overlay, position; | |
1375 | Lisp_Object *overlay_vec; | |
1376 | int len, noverlays, ignor1; | |
1377 | struct buffer *obuf; | |
1378 | int obegv, ozv; | |
1379 | ||
1380 | /* If we get an out-of-range value, return now; avoid an error. */ | |
1381 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
1382 | return; | |
1383 | ||
1384 | /* Make the window's buffer temporarily current for | |
1385 | overlays_at and compute_char_face. */ | |
1386 | obuf = current_buffer; | |
1387 | current_buffer = XBUFFER (w->buffer); | |
1388 | obegv = BEGV; | |
1389 | ozv = ZV; | |
1390 | BEGV = BEG; | |
1391 | ZV = Z; | |
1392 | ||
1393 | /* Yes. Clear the display of the old active region, if any. */ | |
1394 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
1395 | ||
1396 | /* Is this char mouse-active? */ | |
1397 | XSETINT (position, pos); | |
1398 | ||
1399 | len = 10; | |
1400 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1401 | ||
1402 | /* Put all the overlays we want in a vector in overlay_vec. | |
1403 | Store the length in len. */ | |
1404 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, | |
1405 | NULL, NULL); | |
1406 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
1407 | ||
1408 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1409 | overlay = Qnil; | |
1410 | for (i = 0; i < noverlays; i++) | |
1411 | { | |
1412 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1413 | if (!NILP (mouse_face)) | |
1414 | { | |
1415 | overlay = overlay_vec[i]; | |
1416 | break; | |
1417 | } | |
1418 | } | |
1419 | free (overlay_vec); | |
1420 | /* If no overlay applies, get a text property. */ | |
1421 | if (NILP (overlay)) | |
1422 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1423 | ||
1424 | /* Handle the overlay case. */ | |
1425 | if (! NILP (overlay)) | |
1426 | { | |
1427 | /* Find the range of text around this char that | |
1428 | should be active. */ | |
1429 | Lisp_Object before, after; | |
1430 | int ignore; | |
1431 | ||
1432 | before = Foverlay_start (overlay); | |
1433 | after = Foverlay_end (overlay); | |
1434 | /* Record this as the current active region. */ | |
1435 | fast_find_position (window, before, | |
1436 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1437 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1438 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end | |
1439 | = !fast_find_position (window, after, | |
1440 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col, | |
1441 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row); | |
1442 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = window; | |
1443 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id | |
1444 | = compute_char_face (f, w, pos, 0, 0, | |
1445 | &ignore, pos + 1, 1); | |
1446 | ||
1447 | /* Display it as active. */ | |
1448 | show_mouse_face (FRAME_WIN32_DISPLAY_INFO (f), 1); | |
1449 | } | |
1450 | /* Handle the text property case. */ | |
1451 | else if (! NILP (mouse_face)) | |
1452 | { | |
1453 | /* Find the range of text around this char that | |
1454 | should be active. */ | |
1455 | Lisp_Object before, after, beginning, end; | |
1456 | int ignore; | |
1457 | ||
1458 | beginning = Fmarker_position (w->start); | |
1459 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
1460 | - XFASTINT (w->window_end_pos))); | |
1461 | before | |
1462 | = Fprevious_single_property_change (make_number (pos + 1), | |
1463 | Qmouse_face, | |
1464 | w->buffer, beginning); | |
1465 | after | |
1466 | = Fnext_single_property_change (position, Qmouse_face, | |
1467 | w->buffer, end); | |
1468 | /* Record this as the current active region. */ | |
1469 | fast_find_position (window, before, | |
1470 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1471 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1472 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end | |
1473 | = !fast_find_position (window, after, | |
1474 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col, | |
1475 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row); | |
1476 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = window; | |
1477 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id | |
1478 | = compute_char_face (f, w, pos, 0, 0, | |
1479 | &ignore, pos + 1, 1); | |
1480 | ||
1481 | /* Display it as active. */ | |
1482 | show_mouse_face (FRAME_WIN32_DISPLAY_INFO (f), 1); | |
1483 | } | |
1484 | BEGV = obegv; | |
1485 | ZV = ozv; | |
1486 | current_buffer = obuf; | |
1487 | } | |
1488 | } | |
1489 | } | |
1490 | \f | |
1491 | /* Find the row and column of position POS in window WINDOW. | |
1492 | Store them in *COLUMNP and *ROWP. | |
1493 | This assumes display in WINDOW is up to date. | |
1494 | If POS is above start of WINDOW, return coords | |
1495 | of start of first screen line. | |
1496 | If POS is after end of WINDOW, return coords of end of last screen line. | |
1497 | ||
1498 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
1499 | ||
1500 | static int | |
1501 | fast_find_position (window, pos, columnp, rowp) | |
1502 | Lisp_Object window; | |
1503 | int pos; | |
1504 | int *columnp, *rowp; | |
1505 | { | |
1506 | struct window *w = XWINDOW (window); | |
1507 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
1508 | int i; | |
1509 | int row = 0; | |
1510 | int left = w->left; | |
1511 | int top = w->top; | |
1512 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
1513 | int width = window_internal_width (w); | |
1514 | int *charstarts; | |
1515 | int lastcol; | |
1516 | int maybe_next_line = 0; | |
1517 | ||
1518 | /* Find the right row. */ | |
1519 | for (i = 0; | |
1520 | i < height; | |
1521 | i++) | |
1522 | { | |
1523 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
1524 | if (linestart > pos) | |
1525 | break; | |
1526 | /* If the position sought is the end of the buffer, | |
1527 | don't include the blank lines at the bottom of the window. */ | |
1528 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
1529 | { | |
1530 | maybe_next_line = 1; | |
1531 | break; | |
1532 | } | |
1533 | if (linestart > 0) | |
1534 | row = i; | |
1535 | } | |
1536 | ||
1537 | /* Find the right column with in it. */ | |
1538 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
1539 | lastcol = left; | |
1540 | for (i = 0; i < width; i++) | |
1541 | { | |
1542 | if (charstarts[left + i] == pos) | |
1543 | { | |
1544 | *rowp = row + top; | |
1545 | *columnp = i + left; | |
1546 | return 1; | |
1547 | } | |
1548 | else if (charstarts[left + i] > pos) | |
1549 | break; | |
1550 | else if (charstarts[left + i] > 0) | |
1551 | lastcol = left + i; | |
1552 | } | |
1553 | ||
1554 | /* If we're looking for the end of the buffer, | |
1555 | and we didn't find it in the line we scanned, | |
1556 | use the start of the following line. */ | |
1557 | if (maybe_next_line) | |
1558 | { | |
1559 | row++; | |
1560 | i = 0; | |
1561 | } | |
1562 | ||
1563 | *rowp = row + top; | |
1564 | *columnp = lastcol; | |
1565 | return 0; | |
1566 | } | |
1567 | ||
1568 | /* Display the active region described by mouse_face_* | |
1569 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
1570 | ||
1571 | static void | |
1572 | show_mouse_face (dpyinfo, hl) | |
1573 | struct win32_display_info *dpyinfo; | |
1574 | int hl; | |
1575 | { | |
1576 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
1577 | int width = window_internal_width (w); | |
1578 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
1579 | int i; | |
1580 | int cursor_off = 0; | |
1581 | int old_curs_x = curs_x; | |
1582 | int old_curs_y = curs_y; | |
1583 | ||
1584 | /* Set these variables temporarily | |
1585 | so that if we have to turn the cursor off and on again | |
1586 | we will put it back at the same place. */ | |
1587 | curs_x = f->phys_cursor_x; | |
1588 | curs_y = f->phys_cursor_y; | |
1589 | ||
1590 | for (i = FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row; | |
1591 | i <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
1592 | { | |
1593 | int column = (i == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
1594 | ? FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col | |
1595 | : w->left); | |
1596 | int endcolumn = (i == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
1597 | ? FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col | |
1598 | : w->left + width); | |
1599 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); | |
1600 | ||
1601 | /* If the cursor's in the text we are about to rewrite, | |
1602 | turn the cursor off. */ | |
1603 | if (i == curs_y | |
1604 | && curs_x >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col - 1 | |
1605 | && curs_x <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col) | |
1606 | { | |
1607 | x_display_cursor (f, 0); | |
1608 | cursor_off = 1; | |
1609 | } | |
1610 | ||
1611 | dumpglyphs (f, | |
1612 | CHAR_TO_PIXEL_COL (f, column), | |
1613 | CHAR_TO_PIXEL_ROW (f, i), | |
1614 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
1615 | endcolumn - column, | |
1616 | /* Highlight with mouse face if hl > 0. */ | |
1617 | hl > 0 ? 3 : 0, 0); | |
1618 | } | |
1619 | ||
1620 | /* If we turned the cursor off, turn it back on. */ | |
1621 | if (cursor_off) | |
1622 | x_display_cursor (f, 1); | |
1623 | ||
1624 | curs_x = old_curs_x; | |
1625 | curs_y = old_curs_y; | |
1626 | ||
1627 | /* Change the mouse cursor according to the value of HL. */ | |
1628 | if (hl > 0) | |
1629 | SetCursor (f->output_data.win32->cross_cursor); | |
1630 | else | |
1631 | SetCursor (f->output_data.win32->text_cursor); | |
1632 | } | |
1633 | ||
1634 | /* Clear out the mouse-highlighted active region. | |
1635 | Redraw it unhighlighted first. */ | |
1636 | ||
1637 | static void | |
1638 | clear_mouse_face (dpyinfo) | |
1639 | struct win32_display_info *dpyinfo; | |
1640 | { | |
1641 | if (! NILP (dpyinfo->mouse_face_window)) | |
1642 | show_mouse_face (dpyinfo, 0); | |
1643 | ||
1644 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
1645 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
1646 | dpyinfo->mouse_face_window = Qnil; | |
1647 | } | |
1648 | \f | |
1649 | struct scroll_bar *x_window_to_scroll_bar (); | |
1650 | static void x_scroll_bar_report_motion (); | |
1651 | ||
1652 | /* Return the current position of the mouse. | |
1653 | *fp should be a frame which indicates which display to ask about. | |
1654 | ||
1655 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
1656 | and *part to the frame, window, and scroll bar part that the mouse | |
1657 | is over. Set *x and *y to the portion and whole of the mouse's | |
1658 | position on the scroll bar. | |
1659 | ||
1660 | If the mouse movement started elsewhere, set *fp to the frame the | |
1661 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1662 | the mouse is over. | |
1663 | ||
1664 | Set *time to the server timestamp for the time at which the mouse | |
1665 | was at this position. | |
1666 | ||
1667 | Don't store anything if we don't have a valid set of values to report. | |
1668 | ||
1669 | This clears the mouse_moved flag, so we can wait for the next mouse | |
1670 | movement. This also calls XQueryPointer, which will cause the | |
1671 | server to give us another MotionNotify when the mouse moves | |
1672 | again. */ | |
1673 | ||
1674 | static void | |
1675 | win32_mouse_position (fp, insist, bar_window, part, x, y, time) | |
1676 | FRAME_PTR *fp; | |
1677 | int insist; | |
1678 | Lisp_Object *bar_window; | |
1679 | enum scroll_bar_part *part; | |
1680 | Lisp_Object *x, *y; | |
1681 | unsigned long *time; | |
1682 | { | |
1683 | FRAME_PTR f1; | |
1684 | ||
1685 | BLOCK_INPUT; | |
1686 | ||
1687 | if (! NILP (last_mouse_scroll_bar)) | |
1688 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); | |
1689 | else | |
1690 | { | |
1691 | POINT pt; | |
1692 | ||
1693 | Lisp_Object frame, tail; | |
1694 | ||
1695 | /* Clear the mouse-moved flag for every frame on this display. */ | |
1696 | FOR_EACH_FRAME (tail, frame) | |
1697 | XFRAME (frame)->mouse_moved = 0; | |
1698 | ||
1699 | last_mouse_scroll_bar = Qnil; | |
1700 | ||
1701 | GetCursorPos (&pt); | |
1702 | ||
1703 | /* Now we have a position on the root; find the innermost window | |
1704 | containing the pointer. */ | |
1705 | { | |
1706 | if (FRAME_WIN32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame | |
1707 | && FRAME_LIVE_P (last_mouse_frame)) | |
1708 | { | |
1709 | f1 = last_mouse_frame; | |
1710 | } | |
1711 | else | |
1712 | { | |
1713 | /* Is win one of our frames? */ | |
1714 | f1 = x_window_to_frame (FRAME_WIN32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); | |
1715 | } | |
1716 | ||
1717 | /* If not, is it one of our scroll bars? */ | |
1718 | if (! f1) | |
1719 | { | |
1720 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); | |
1721 | ||
1722 | if (bar) | |
1723 | { | |
1724 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1725 | } | |
1726 | } | |
1727 | ||
1728 | if (f1 == 0 && insist) | |
1729 | f1 = selected_frame; | |
1730 | ||
1731 | if (f1) | |
1732 | { | |
1733 | int ignore1, ignore2; | |
1734 | ||
1735 | ScreenToClient (FRAME_WIN32_WINDOW (f1), &pt); | |
1736 | ||
1737 | /* Ok, we found a frame. Store all the values. */ | |
1738 | ||
1739 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, | |
1740 | &last_mouse_glyph, | |
1741 | FRAME_WIN32_DISPLAY_INFO (f1)->grabbed | |
1742 | || insist); | |
1743 | ||
1744 | *bar_window = Qnil; | |
1745 | *part = 0; | |
1746 | *fp = f1; | |
1747 | XSETINT (*x, pt.x); | |
1748 | XSETINT (*y, pt.y); | |
1749 | *time = last_mouse_movement_time; | |
1750 | } | |
1751 | } | |
1752 | } | |
1753 | ||
1754 | UNBLOCK_INPUT; | |
1755 | } | |
1756 | \f | |
1757 | /* Scroll bar support. */ | |
1758 | ||
1759 | /* Given an window ID, find the struct scroll_bar which manages it. | |
1760 | This can be called in GC, so we have to make sure to strip off mark | |
1761 | bits. */ | |
1762 | struct scroll_bar * | |
1763 | x_window_to_scroll_bar (window_id) | |
1764 | Window window_id; | |
1765 | { | |
1766 | Lisp_Object tail, frame; | |
1767 | ||
1768 | for (tail = Vframe_list; | |
1769 | XGCTYPE (tail) == Lisp_Cons; | |
1770 | tail = XCONS (tail)->cdr) | |
1771 | { | |
1772 | Lisp_Object frame, bar, condemned; | |
1773 | ||
1774 | frame = XCONS (tail)->car; | |
1775 | /* All elements of Vframe_list should be frames. */ | |
1776 | if (! GC_FRAMEP (frame)) | |
1777 | abort (); | |
1778 | ||
1779 | /* Scan this frame's scroll bar list for a scroll bar with the | |
1780 | right window ID. */ | |
1781 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
1782 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
1783 | /* This trick allows us to search both the ordinary and | |
1784 | condemned scroll bar lists with one loop. */ | |
1785 | ! GC_NILP (bar) || (bar = condemned, | |
1786 | condemned = Qnil, | |
1787 | ! GC_NILP (bar)); | |
1788 | bar = XSCROLL_BAR (bar)->next) | |
1789 | if (SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1790 | return XSCROLL_BAR (bar); | |
1791 | } | |
1792 | ||
1793 | return 0; | |
1794 | } | |
1795 | ||
1796 | HWND | |
1797 | my_create_scrollbar (f, bar) | |
1798 | struct frame * f; | |
1799 | struct scroll_bar * bar; | |
1800 | { | |
1801 | MSG msg; | |
1802 | ||
1803 | PostThreadMessage (dwWinThreadId, WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
1804 | (LPARAM) bar); | |
1805 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
1806 | ||
1807 | return ((HWND) msg.wParam); | |
1808 | } | |
1809 | ||
52cf03a1 GV |
1810 | //#define ATTACH_THREADS |
1811 | ||
1812 | void | |
1813 | my_show_window (HWND hwnd, int how) | |
1814 | { | |
1815 | #ifndef ATTACH_THREADS | |
1816 | SendMessage (hwnd, WM_EMACS_SHOWWINDOW, (WPARAM) how, 0); | |
1817 | #else | |
1818 | ShowWindow (hwnd , how); | |
1819 | #endif | |
1820 | } | |
1821 | ||
1822 | void | |
1823 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
1824 | int x, int y, int cx, int cy, int flags) | |
1825 | { | |
1826 | #ifndef ATTACH_THREADS | |
1827 | Win32WindowPos pos; | |
1828 | pos.hwndAfter = hwndAfter; | |
1829 | pos.x = x; | |
1830 | pos.y = y; | |
1831 | pos.cx = cx; | |
1832 | pos.cy = cy; | |
1833 | pos.flags = flags; | |
1834 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
1835 | #else | |
1836 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
1837 | #endif | |
1838 | } | |
1839 | ||
ee78dc32 GV |
1840 | void |
1841 | my_destroy_window (f, hwnd) | |
1842 | struct frame * f; | |
1843 | HWND hwnd; | |
1844 | { | |
1845 | SendMessage (FRAME_WIN32_WINDOW (f), WM_EMACS_DESTROYWINDOW, | |
1846 | (WPARAM) hwnd, 0); | |
1847 | } | |
1848 | ||
1849 | /* Open a new window to serve as a scroll bar, and return the | |
1850 | scroll bar vector for it. */ | |
1851 | static struct scroll_bar * | |
1852 | x_scroll_bar_create (window, top, left, width, height) | |
1853 | struct window *window; | |
1854 | int top, left, width, height; | |
1855 | { | |
1856 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
1857 | struct scroll_bar *bar | |
1858 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
1859 | HWND hwnd; | |
1860 | ||
1861 | BLOCK_INPUT; | |
1862 | ||
1863 | XSETWINDOW (bar->window, window); | |
1864 | XSETINT (bar->top, top); | |
1865 | XSETINT (bar->left, left); | |
1866 | XSETINT (bar->width, width); | |
1867 | XSETINT (bar->height, height); | |
1868 | XSETINT (bar->start, 0); | |
1869 | XSETINT (bar->end, 0); | |
1870 | bar->dragging = Qnil; | |
1871 | ||
1872 | /* Requires geometry to be set before call to create the real window */ | |
1873 | ||
1874 | hwnd = my_create_scrollbar (f, bar); | |
1875 | ||
1876 | SetScrollRange (hwnd, SB_CTL, 0, height, FALSE); | |
1877 | SetScrollPos (hwnd, SB_CTL, 0, TRUE); | |
1878 | ||
1879 | SET_SCROLL_BAR_WIN32_WINDOW (bar, hwnd); | |
1880 | ||
1881 | /* Add bar to its frame's list of scroll bars. */ | |
1882 | bar->next = FRAME_SCROLL_BARS (f); | |
1883 | bar->prev = Qnil; | |
1884 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
1885 | if (! NILP (bar->next)) | |
1886 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
1887 | ||
1888 | UNBLOCK_INPUT; | |
1889 | ||
1890 | return bar; | |
1891 | } | |
1892 | ||
1893 | /* Draw BAR's handle in the proper position. | |
1894 | If the handle is already drawn from START to END, don't bother | |
1895 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1896 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1897 | events.) | |
1898 | ||
1899 | Normally, we want to constrain the start and end of the handle to | |
1900 | fit inside its rectangle, but if the user is dragging the scroll bar | |
1901 | handle, we want to let them drag it down all the way, so that the | |
1902 | bar's top is as far down as it goes; otherwise, there's no way to | |
1903 | move to the very end of the buffer. */ | |
1904 | static void | |
1905 | x_scroll_bar_set_handle (bar, start, end, rebuild) | |
1906 | struct scroll_bar *bar; | |
1907 | int start, end; | |
1908 | int rebuild; | |
1909 | { | |
1910 | int dragging = ! NILP (bar->dragging); | |
1911 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); | |
1912 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1913 | ||
1914 | /* If the display is already accurate, do nothing. */ | |
1915 | if (! rebuild | |
1916 | && start == XINT (bar->start) | |
1917 | && end == XINT (bar->end)) | |
1918 | return; | |
1919 | ||
1920 | BLOCK_INPUT; | |
1921 | ||
1922 | /* Store the adjusted setting in the scroll bar. */ | |
1923 | XSETINT (bar->start, start); | |
1924 | XSETINT (bar->end, end); | |
1925 | ||
2c28562d | 1926 | SetScrollPos (w, SB_CTL, start, TRUE); |
ee78dc32 GV |
1927 | |
1928 | UNBLOCK_INPUT; | |
1929 | } | |
1930 | ||
1931 | /* Move a scroll bar around on the screen, to accommodate changing | |
1932 | window configurations. */ | |
1933 | static void | |
1934 | x_scroll_bar_move (bar, top, left, width, height) | |
1935 | struct scroll_bar *bar; | |
1936 | int top, left, width, height; | |
1937 | { | |
1938 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); | |
1939 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1940 | ||
1941 | BLOCK_INPUT; | |
1942 | ||
1943 | MoveWindow (w, left, top, width, height, TRUE); | |
1944 | SetScrollRange (w, SB_CTL, 0, height, FALSE); | |
52cf03a1 | 1945 | InvalidateRect (w, NULL, FALSE); |
0b287713 | 1946 | my_show_window (w, SW_NORMAL); |
ee78dc32 GV |
1947 | |
1948 | XSETINT (bar->left, left); | |
1949 | XSETINT (bar->top, top); | |
1950 | XSETINT (bar->width, width); | |
1951 | XSETINT (bar->height, height); | |
1952 | ||
1953 | UNBLOCK_INPUT; | |
1954 | } | |
1955 | ||
1956 | /* Destroy the window for BAR, and set its Emacs window's scroll bar | |
1957 | to nil. */ | |
1958 | static void | |
1959 | x_scroll_bar_remove (bar) | |
1960 | struct scroll_bar *bar; | |
1961 | { | |
1962 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1963 | ||
1964 | BLOCK_INPUT; | |
1965 | ||
1966 | /* Destroy the window. */ | |
1967 | my_destroy_window (f, SCROLL_BAR_WIN32_WINDOW (bar)); | |
1968 | ||
1969 | /* Disassociate this scroll bar from its window. */ | |
1970 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
1971 | ||
1972 | UNBLOCK_INPUT; | |
1973 | } | |
1974 | ||
1975 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
1976 | that we are displaying PORTION characters out of a total of WHOLE | |
1977 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
1978 | create one. */ | |
1979 | static void | |
1980 | win32_set_vertical_scroll_bar (window, portion, whole, position) | |
1981 | struct window *window; | |
1982 | int portion, whole, position; | |
1983 | { | |
1984 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
1985 | int top = XINT (window->top); | |
1986 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); | |
1987 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
1988 | ||
1989 | /* Where should this scroll bar be, pixelwise? */ | |
1990 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); | |
1991 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
1992 | int pixel_width | |
1993 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
1994 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
1995 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.win32->font))); | |
1996 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
1997 | ||
1998 | struct scroll_bar *bar; | |
1999 | ||
2000 | /* Does the scroll bar exist yet? */ | |
2001 | if (NILP (window->vertical_scroll_bar)) | |
2002 | bar = x_scroll_bar_create (window, | |
2003 | pixel_top, pixel_left, | |
2004 | pixel_width, pixel_height); | |
2005 | else | |
2006 | { | |
2007 | /* It may just need to be moved and resized. */ | |
2008 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2009 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
2010 | } | |
2011 | ||
2012 | /* Set the scroll bar's current state, unless we're currently being | |
2013 | dragged. */ | |
2014 | if (NILP (bar->dragging)) | |
2015 | { | |
2016 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); | |
2017 | ||
2018 | if (whole == 0) | |
2019 | x_scroll_bar_set_handle (bar, 0, top_range, 0); | |
2020 | else | |
2021 | { | |
2022 | int start = (int) (((double) position * top_range) / whole); | |
2023 | int end = (int) (((double) (position + portion) * top_range) / whole); | |
2024 | ||
2025 | x_scroll_bar_set_handle (bar, start, end, 0); | |
2026 | } | |
2027 | } | |
2028 | ||
2029 | XSETVECTOR (window->vertical_scroll_bar, bar); | |
2030 | } | |
2031 | ||
2032 | ||
2033 | /* The following three hooks are used when we're doing a thorough | |
2034 | redisplay of the frame. We don't explicitly know which scroll bars | |
2035 | are going to be deleted, because keeping track of when windows go | |
2036 | away is a real pain - "Can you say set-window-configuration, boys | |
2037 | and girls?" Instead, we just assert at the beginning of redisplay | |
2038 | that *all* scroll bars are to be removed, and then save a scroll bar | |
2039 | from the fiery pit when we actually redisplay its window. */ | |
2040 | ||
2041 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
2042 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2043 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
2044 | static void | |
2045 | win32_condemn_scroll_bars (frame) | |
2046 | FRAME_PTR frame; | |
2047 | { | |
2048 | /* The condemned list should be empty at this point; if it's not, | |
2049 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2050 | protocol correctly. */ | |
2051 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2052 | abort (); | |
2053 | ||
2054 | /* Move them all to the "condemned" list. */ | |
2055 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); | |
2056 | FRAME_SCROLL_BARS (frame) = Qnil; | |
2057 | } | |
2058 | ||
2059 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. | |
2060 | Note that WINDOW isn't necessarily condemned at all. */ | |
2061 | static void | |
2062 | win32_redeem_scroll_bar (window) | |
2063 | struct window *window; | |
2064 | { | |
2065 | struct scroll_bar *bar; | |
2066 | ||
2067 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
2068 | if (NILP (window->vertical_scroll_bar)) | |
2069 | abort (); | |
2070 | ||
2071 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2072 | ||
2073 | /* Unlink it from the condemned list. */ | |
2074 | { | |
2075 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2076 | ||
2077 | if (NILP (bar->prev)) | |
2078 | { | |
2079 | /* If the prev pointer is nil, it must be the first in one of | |
2080 | the lists. */ | |
2081 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
2082 | /* It's not condemned. Everything's fine. */ | |
2083 | return; | |
2084 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
2085 | window->vertical_scroll_bar)) | |
2086 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
2087 | else | |
2088 | /* If its prev pointer is nil, it must be at the front of | |
2089 | one or the other! */ | |
2090 | abort (); | |
2091 | } | |
2092 | else | |
2093 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
2094 | ||
2095 | if (! NILP (bar->next)) | |
2096 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
2097 | ||
2098 | bar->next = FRAME_SCROLL_BARS (f); | |
2099 | bar->prev = Qnil; | |
2100 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
2101 | if (! NILP (bar->next)) | |
2102 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
2103 | } | |
2104 | } | |
2105 | ||
2106 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
2107 | last call to `*condemn_scroll_bars_hook'. */ | |
2108 | static void | |
2109 | win32_judge_scroll_bars (f) | |
2110 | FRAME_PTR f; | |
2111 | { | |
2112 | Lisp_Object bar, next; | |
2113 | ||
2114 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
2115 | ||
2116 | /* Clear out the condemned list now so we won't try to process any | |
2117 | more events on the hapless scroll bars. */ | |
2118 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
2119 | ||
2120 | for (; ! NILP (bar); bar = next) | |
2121 | { | |
2122 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
2123 | ||
2124 | x_scroll_bar_remove (b); | |
2125 | ||
2126 | next = b->next; | |
2127 | b->next = b->prev = Qnil; | |
2128 | } | |
2129 | ||
2130 | /* Now there should be no references to the condemned scroll bars, | |
2131 | and they should get garbage-collected. */ | |
2132 | } | |
2133 | ||
2134 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
2135 | is set to something other than no_event, it is enqueued. | |
2136 | ||
2137 | This may be called from a signal handler, so we have to ignore GC | |
2138 | mark bits. */ | |
2c28562d | 2139 | |
52cf03a1 | 2140 | static int |
ee78dc32 GV |
2141 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
2142 | struct scroll_bar *bar; | |
2143 | Win32Msg *msg; | |
2144 | struct input_event *emacs_event; | |
2145 | { | |
2146 | if (! GC_WINDOWP (bar->window)) | |
2147 | abort (); | |
2148 | ||
52cf03a1 | 2149 | emacs_event->kind = win32_scroll_bar_click; |
ee78dc32 | 2150 | emacs_event->code = 0; |
52cf03a1 GV |
2151 | /* not really meaningful to distinguish up/down */ |
2152 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 GV |
2153 | emacs_event->frame_or_window = bar->window; |
2154 | emacs_event->timestamp = msg->msg.time; | |
2155 | ||
2156 | { | |
2157 | int internal_height | |
2158 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2159 | int top_range | |
2160 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2161 | int y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
2162 | ||
2163 | switch (LOWORD (msg->msg.wParam)) | |
2c28562d RS |
2164 | { |
2165 | case SB_THUMBTRACK: | |
ee78dc32 GV |
2166 | emacs_event->part = scroll_bar_handle; |
2167 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) | |
2168 | y = HIWORD (msg->msg.wParam); | |
2169 | break; | |
2c28562d | 2170 | case SB_LINEDOWN: |
52cf03a1 | 2171 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 2172 | break; |
2c28562d | 2173 | case SB_LINEUP: |
52cf03a1 | 2174 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 2175 | break; |
2c28562d | 2176 | case SB_PAGEUP: |
ee78dc32 GV |
2177 | emacs_event->part = scroll_bar_above_handle; |
2178 | break; | |
2c28562d | 2179 | case SB_PAGEDOWN: |
ee78dc32 GV |
2180 | emacs_event->part = scroll_bar_below_handle; |
2181 | break; | |
2c28562d | 2182 | case SB_TOP: |
ee78dc32 GV |
2183 | emacs_event->part = scroll_bar_handle; |
2184 | y = 0; | |
2185 | break; | |
2c28562d | 2186 | case SB_BOTTOM: |
ee78dc32 GV |
2187 | emacs_event->part = scroll_bar_handle; |
2188 | y = top_range; | |
2189 | break; | |
2c28562d | 2190 | case SB_THUMBPOSITION: |
ee78dc32 | 2191 | emacs_event->part = scroll_bar_handle; |
ee78dc32 | 2192 | break; |
2c28562d RS |
2193 | case SB_ENDSCROLL: |
2194 | default: | |
52cf03a1 | 2195 | return FALSE; |
2c28562d | 2196 | } |
52cf03a1 | 2197 | |
ee78dc32 GV |
2198 | XSETINT (emacs_event->x, y); |
2199 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
2200 | |
2201 | return TRUE; | |
ee78dc32 GV |
2202 | } |
2203 | } | |
2204 | ||
2205 | /* Return information to the user about the current position of the mouse | |
2206 | on the scroll bar. */ | |
2207 | static void | |
2208 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
2209 | FRAME_PTR *fp; | |
2210 | Lisp_Object *bar_window; | |
2211 | enum scroll_bar_part *part; | |
2212 | Lisp_Object *x, *y; | |
2213 | unsigned long *time; | |
2214 | { | |
2215 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
2216 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); | |
2217 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2218 | int pos; | |
2219 | ||
2220 | BLOCK_INPUT; | |
2221 | ||
2222 | *fp = f; | |
2223 | *bar_window = bar->window; | |
2224 | ||
2225 | pos = GetScrollPos (w, SB_CTL); | |
2226 | ||
2227 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
2228 | { | |
2229 | case SB_THUMBPOSITION: | |
2230 | case SB_THUMBTRACK: | |
2231 | *part = scroll_bar_handle; | |
2232 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) | |
2233 | pos = HIWORD (last_mouse_scroll_bar_pos); | |
2234 | break; | |
2235 | case SB_LINEDOWN: | |
2236 | *part = scroll_bar_handle; | |
2237 | pos++; | |
2238 | break; | |
2239 | default: | |
2240 | *part = scroll_bar_handle; | |
2241 | break; | |
2242 | } | |
2243 | ||
2244 | XSETINT(*x, pos); | |
2245 | XSETINT(*y, VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height))); | |
2246 | ||
2247 | f->mouse_moved = 0; | |
2248 | last_mouse_scroll_bar = Qnil; | |
2249 | ||
2250 | *time = last_mouse_movement_time; | |
2251 | ||
2252 | UNBLOCK_INPUT; | |
2253 | } | |
2254 | ||
2255 | /* The screen has been cleared so we may have changed foreground or | |
2256 | background colors, and the scroll bars may need to be redrawn. | |
2257 | Clear out the scroll bars, and ask for expose events, so we can | |
2258 | redraw them. */ | |
2259 | ||
2260 | x_scroll_bar_clear (f) | |
2261 | FRAME_PTR f; | |
2262 | { | |
ee78dc32 GV |
2263 | Lisp_Object bar; |
2264 | ||
2265 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
2266 | bar = XSCROLL_BAR (bar)->next) | |
52cf03a1 GV |
2267 | { |
2268 | HWND window = SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)); | |
2269 | HDC hdc = GetDC (window); | |
2270 | RECT rect; | |
2271 | ||
0b287713 | 2272 | my_show_window (window, SW_HIDE); |
52cf03a1 GV |
2273 | GetClientRect (window, &rect); |
2274 | select_palette (f, hdc); | |
2275 | win32_clear_rect (f, hdc, &rect); | |
2276 | deselect_palette (f, hdc); | |
2277 | } | |
2278 | } | |
2279 | ||
2280 | show_scroll_bars (f, how) | |
2281 | FRAME_PTR f; | |
2282 | int how; | |
2283 | { | |
2284 | Lisp_Object bar; | |
2285 | ||
2286 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
2287 | bar = XSCROLL_BAR (bar)->next) | |
2288 | { | |
2289 | HWND window = SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)); | |
2290 | my_show_window (window, how); | |
2291 | } | |
ee78dc32 GV |
2292 | } |
2293 | ||
2294 | \f | |
2295 | /* The main Win32 event-reading loop - w32_read_socket. */ | |
2296 | ||
2297 | /* Timestamp of enter window event. This is only used by w32_read_socket, | |
2298 | but we have to put it out here, since static variables within functions | |
2299 | sometimes don't work. */ | |
2300 | static Time enter_timestamp; | |
2301 | ||
2302 | /* Record the last 100 characters stored | |
2303 | to help debug the loss-of-chars-during-GC problem. */ | |
2304 | int temp_index; | |
2305 | short temp_buffer[100]; | |
2306 | ||
afd153f0 GV |
2307 | extern int key_event (KEY_EVENT_RECORD *, struct input_event *); |
2308 | ||
2309 | /* Map a Win32 WM_CHAR message into a KEY_EVENT_RECORD so that | |
2310 | we can use the same routines to handle input in both console | |
2311 | and window modes. */ | |
2312 | ||
2313 | static void | |
2314 | convert_to_key_event (Win32Msg *msgp, KEY_EVENT_RECORD *eventp) | |
2315 | { | |
2316 | eventp->bKeyDown = TRUE; | |
2317 | eventp->wRepeatCount = 1; | |
2318 | eventp->wVirtualKeyCode = msgp->msg.wParam; | |
2319 | eventp->wVirtualScanCode = (msgp->msg.lParam & 0xFF0000) >> 16; | |
2320 | eventp->uChar.AsciiChar = 0; | |
2321 | eventp->dwControlKeyState = msgp->dwModifiers; | |
2322 | } | |
2323 | ||
2324 | /* Return nonzero if the virtual key is a dead key. */ | |
2325 | ||
2326 | static int | |
2327 | is_dead_key (int wparam) | |
2328 | { | |
2329 | unsigned int code = MapVirtualKey (wparam, 2); | |
2330 | ||
2331 | /* Win95 returns 0x8000, NT returns 0x80000000. */ | |
2332 | if ((code & 0x8000) || (code & 0x80000000)) | |
2333 | return 1; | |
2334 | else | |
2335 | return 0; | |
2336 | } | |
2337 | ||
ee78dc32 GV |
2338 | /* Read events coming from the Win32 shell. |
2339 | This routine is called by the SIGIO handler. | |
2340 | We return as soon as there are no more events to be read. | |
2341 | ||
2342 | Events representing keys are stored in buffer BUFP, | |
2343 | which can hold up to NUMCHARS characters. | |
2344 | We return the number of characters stored into the buffer, | |
2345 | thus pretending to be `read'. | |
2346 | ||
2347 | WAITP is nonzero if we should block until input arrives. | |
2348 | EXPECTED is nonzero if the caller knows input is available. | |
2349 | ||
2350 | Some of these messages are reposted back to the message queue since the | |
2351 | system calls the winproc directly in a context where we cannot return the | |
2352 | data nor can we guarantee the state we are in. So if we dispatch them | |
2353 | we will get into an infinite loop. To prevent this from ever happening we | |
2354 | will set a variable to indicate we are in the read_socket call and indicate | |
2355 | which message we are processing since the winproc gets called recursively with different | |
2356 | messages by the system. | |
2357 | */ | |
2358 | ||
2359 | int | |
2360 | w32_read_socket (sd, bufp, numchars, waitp, expected) | |
2361 | register int sd; | |
2362 | register struct input_event *bufp; | |
2363 | register int numchars; | |
2364 | int waitp; | |
2365 | int expected; | |
2366 | { | |
2367 | int count = 0; | |
2368 | int nbytes = 0; | |
2369 | int items_pending; /* How many items are in the X queue. */ | |
2370 | Win32Msg msg; | |
2371 | struct frame *f; | |
2372 | int event_found = 0; | |
2373 | int prefix; | |
2374 | Lisp_Object part; | |
2375 | struct win32_display_info *dpyinfo = &one_win32_display_info; | |
2376 | ||
2377 | if (interrupt_input_blocked) | |
2378 | { | |
2379 | interrupt_input_pending = 1; | |
2380 | return -1; | |
2381 | } | |
2382 | ||
2383 | interrupt_input_pending = 0; | |
2384 | BLOCK_INPUT; | |
2385 | ||
2386 | /* So people can tell when we have read the available input. */ | |
2387 | input_signal_count++; | |
2388 | ||
2389 | if (numchars <= 0) | |
2390 | abort (); /* Don't think this happens. */ | |
2391 | ||
52cf03a1 | 2392 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
2393 | { |
2394 | switch (msg.msg.message) | |
2395 | { | |
2396 | case WM_ERASEBKGND: | |
2397 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2398 | if (f) | |
2399 | { | |
2400 | win32_clear_rect (f, NULL, &msg.rect); | |
2401 | } | |
2402 | break; | |
2403 | case WM_PAINT: | |
2404 | { | |
2405 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2406 | ||
2407 | if (f) | |
2408 | { | |
2409 | if (f->async_visible == 0) | |
2410 | { | |
2411 | f->async_visible = 1; | |
2412 | f->async_iconified = 0; | |
2413 | SET_FRAME_GARBAGED (f); | |
2414 | } | |
2415 | else | |
2416 | { | |
2417 | dumprectangle (f, | |
2418 | msg.rect.left, | |
2419 | msg.rect.top, | |
2420 | msg.rect.right-msg.rect.left+1, | |
2421 | msg.rect.bottom-msg.rect.top+1); | |
2422 | ||
2423 | } | |
2424 | } | |
2425 | } | |
2426 | ||
2427 | break; | |
52cf03a1 GV |
2428 | case WM_PALETTECHANGED: |
2429 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2430 | if (f) | |
2431 | /* Realize palette - will force update if needed. */ | |
2432 | release_frame_dc (f, get_frame_dc (f)); | |
2433 | break; | |
ee78dc32 GV |
2434 | case WM_KEYDOWN: |
2435 | case WM_SYSKEYDOWN: | |
2436 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2437 | ||
2438 | if (f && !f->iconified) | |
2439 | { | |
2440 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
2441 | temp_index = 0; | |
2442 | temp_buffer[temp_index++] = msg.msg.wParam; | |
2443 | bufp->kind = non_ascii_keystroke; | |
2444 | bufp->code = msg.msg.wParam; | |
52cf03a1 | 2445 | bufp->modifiers = win32_kbd_mods_to_emacs (msg.dwModifiers); |
ee78dc32 GV |
2446 | XSETFRAME (bufp->frame_or_window, f); |
2447 | bufp->timestamp = msg.msg.time; | |
2448 | bufp++; | |
2449 | numchars--; | |
2450 | count++; | |
2451 | } | |
2452 | break; | |
2453 | case WM_SYSCHAR: | |
2454 | case WM_CHAR: | |
2455 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2456 | ||
2457 | if (f && !f->iconified) | |
2458 | { | |
2459 | if (numchars > 1) | |
2460 | { | |
afd153f0 GV |
2461 | int add; |
2462 | KEY_EVENT_RECORD key, *keyp = &key; | |
2463 | ||
ee78dc32 GV |
2464 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2465 | temp_index = 0; | |
afd153f0 GV |
2466 | |
2467 | convert_to_key_event (&msg, keyp); | |
2468 | add = key_event (keyp, bufp); | |
a92989c3 | 2469 | XSETFRAME (bufp->frame_or_window, f); |
afd153f0 GV |
2470 | if (add == -1) |
2471 | { | |
2472 | /* The key pressed generated two characters, most likely | |
2473 | an accent character and a key that could not be | |
2474 | combined with it. Prepend the message on the queue | |
2475 | again to process the second character (which is | |
2476 | being held internally in key_event), and process | |
2477 | the first character now. */ | |
2478 | prepend_msg (&msg); | |
2479 | add = 1; | |
2480 | } | |
2481 | ||
2482 | /* Throw dead keys away. */ | |
2483 | if (is_dead_key (msg.msg.wParam)) | |
2484 | break; | |
2485 | ||
2486 | bufp += add; | |
2487 | numchars -= add; | |
2488 | count += add; | |
ee78dc32 GV |
2489 | } |
2490 | else | |
2491 | { | |
2492 | abort (); | |
2493 | } | |
2494 | } | |
2495 | break; | |
2496 | case WM_MOUSEMOVE: | |
2497 | if (dpyinfo->grabbed && last_mouse_frame | |
2498 | && FRAME_LIVE_P (last_mouse_frame)) | |
2499 | f = last_mouse_frame; | |
2500 | else | |
2501 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2502 | ||
2503 | if (f) | |
2504 | note_mouse_movement (f, &msg.msg); | |
2505 | else | |
2506 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
2507 | ||
2508 | break; | |
2509 | case WM_LBUTTONDOWN: | |
2510 | case WM_LBUTTONUP: | |
2511 | case WM_MBUTTONDOWN: | |
2512 | case WM_MBUTTONUP: | |
2513 | case WM_RBUTTONDOWN: | |
2514 | case WM_RBUTTONUP: | |
2515 | { | |
2516 | int button; | |
2517 | int up; | |
2518 | ||
2519 | if (dpyinfo->grabbed && last_mouse_frame | |
2520 | && FRAME_LIVE_P (last_mouse_frame)) | |
2521 | f = last_mouse_frame; | |
2522 | else | |
2523 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2524 | ||
2525 | if (f) | |
2526 | { | |
2527 | if ((!dpyinfo->win32_focus_frame || f == dpyinfo->win32_focus_frame) | |
2528 | && (numchars >= 1)) | |
2529 | { | |
2530 | construct_mouse_click (bufp, &msg, f); | |
2531 | bufp++; | |
2532 | count++; | |
2533 | numchars--; | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | parse_button (msg.msg.message, &button, &up); | |
2538 | ||
2539 | if (up) | |
2540 | { | |
2541 | dpyinfo->grabbed &= ~ (1 << button); | |
2542 | } | |
2543 | else | |
2544 | { | |
2545 | dpyinfo->grabbed |= (1 << button); | |
2546 | last_mouse_frame = f; | |
2547 | } | |
2548 | } | |
2549 | ||
2550 | break; | |
2551 | case WM_VSCROLL: | |
2552 | { | |
2553 | struct scroll_bar *bar = x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
2554 | ||
2555 | if (bar && numchars >= 1) | |
2556 | { | |
52cf03a1 GV |
2557 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
2558 | { | |
2559 | bufp++; | |
2560 | count++; | |
2561 | numchars--; | |
2562 | } | |
ee78dc32 GV |
2563 | } |
2564 | } | |
2565 | ||
2566 | break; | |
2567 | case WM_MOVE: | |
2568 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2569 | ||
2570 | if (f && !f->async_iconified) | |
2571 | { | |
2572 | f->output_data.win32->left_pos = LOWORD (msg.msg.lParam); | |
2573 | f->output_data.win32->top_pos = HIWORD (msg.msg.lParam); | |
2574 | } | |
2575 | ||
2576 | break; | |
2577 | case WM_SIZE: | |
2578 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2579 | ||
2580 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) | |
2581 | { | |
2582 | RECT rect; | |
2583 | int rows; | |
2584 | int columns; | |
2585 | int width; | |
2586 | int height; | |
2587 | ||
97c23857 | 2588 | GetClientRect(msg.msg.hwnd, &rect); |
ee78dc32 GV |
2589 | |
2590 | height = rect.bottom - rect.top + 1; | |
2591 | width = rect.right - rect.left + 1; | |
2592 | ||
2593 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
2594 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
2595 | ||
2596 | /* Even if the number of character rows and columns has | |
2597 | not changed, the font size may have changed, so we need | |
2598 | to check the pixel dimensions as well. */ | |
2599 | ||
2600 | if (columns != f->width | |
2601 | || rows != f->height | |
2602 | || width != f->output_data.win32->pixel_width | |
2603 | || height != f->output_data.win32->pixel_height) | |
2604 | { | |
2605 | /* I had set this to 0, 0 - I am not sure why?? */ | |
2606 | ||
2607 | change_frame_size (f, rows, columns, 0, 1); | |
2608 | SET_FRAME_GARBAGED (f); | |
2609 | ||
2610 | f->output_data.win32->pixel_width = width; | |
2611 | f->output_data.win32->pixel_height = height; | |
2612 | f->output_data.win32->win_gravity = NorthWestGravity; | |
2613 | } | |
2614 | } | |
2615 | ||
2616 | break; | |
2617 | case WM_SETFOCUS: | |
2618 | case WM_KILLFOCUS: | |
2619 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2620 | ||
2621 | if (msg.msg.message == WM_SETFOCUS) | |
2622 | { | |
2623 | x_new_focus_frame (dpyinfo, f); | |
2624 | } | |
2625 | else if (f == dpyinfo->win32_focus_frame) | |
2626 | x_new_focus_frame (dpyinfo, 0); | |
2627 | ||
2628 | break; | |
2629 | case WM_SYSCOMMAND: | |
2630 | switch (msg.msg.wParam) | |
2631 | { | |
2632 | case SC_CLOSE: | |
2633 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2634 | ||
2635 | if (f) | |
2636 | { | |
2637 | if (numchars == 0) | |
2638 | abort (); | |
2639 | ||
2640 | bufp->kind = delete_window_event; | |
2641 | XSETFRAME (bufp->frame_or_window, f); | |
2642 | bufp++; | |
2643 | count++; | |
2644 | numchars--; | |
2645 | } | |
2646 | ||
2647 | break; | |
2648 | case SC_MINIMIZE: | |
2649 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2650 | ||
2651 | if (f) | |
2652 | { | |
2653 | f->async_visible = 1; | |
2654 | f->async_iconified = 1; | |
2655 | ||
2656 | bufp->kind = iconify_event; | |
2657 | XSETFRAME (bufp->frame_or_window, f); | |
2658 | bufp++; | |
2659 | count++; | |
2660 | numchars--; | |
2661 | } | |
2662 | ||
2663 | break; | |
2664 | case SC_MAXIMIZE: | |
2665 | case SC_RESTORE: | |
2666 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2667 | ||
2668 | if (f) | |
2669 | { | |
2670 | f->async_visible = 1; | |
2671 | f->async_iconified = 0; | |
2672 | ||
2673 | /* wait_reading_process_input will notice this and update | |
2674 | the frame's display structures. */ | |
2675 | SET_FRAME_GARBAGED (f); | |
2676 | ||
2677 | if (f->iconified) | |
2678 | { | |
2679 | bufp->kind = deiconify_event; | |
2680 | XSETFRAME (bufp->frame_or_window, f); | |
2681 | bufp++; | |
2682 | count++; | |
2683 | numchars--; | |
2684 | } | |
2685 | else | |
2686 | /* Force a redisplay sooner or later | |
2687 | to update the frame titles | |
2688 | in case this is the second frame. */ | |
2689 | record_asynch_buffer_change (); | |
2690 | } | |
2691 | ||
2692 | break; | |
2693 | } | |
2694 | ||
2695 | break; | |
2696 | case WM_CLOSE: | |
2697 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2698 | ||
2699 | if (f) | |
2700 | { | |
2701 | if (numchars == 0) | |
2702 | abort (); | |
2703 | ||
2704 | bufp->kind = delete_window_event; | |
2705 | XSETFRAME (bufp->frame_or_window, f); | |
2706 | bufp++; | |
2707 | count++; | |
2708 | numchars--; | |
2709 | } | |
2710 | ||
2711 | break; | |
2712 | case WM_COMMAND: | |
2713 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2714 | ||
2715 | if (f) | |
2716 | { | |
2717 | if (msg.msg.lParam == 0) | |
2718 | { | |
2719 | /* Came from window menu */ | |
2720 | ||
2721 | extern Lisp_Object get_frame_menubar_event (); | |
2722 | Lisp_Object event = get_frame_menubar_event (f, msg.msg.wParam); | |
2723 | struct input_event buf; | |
2724 | Lisp_Object frame; | |
2725 | ||
2726 | XSETFRAME (frame, f); | |
2727 | buf.kind = menu_bar_event; | |
2728 | ||
2729 | /* Store initial menu bar event */ | |
2730 | ||
2731 | if (!NILP (event)) | |
2732 | { | |
2733 | buf.frame_or_window = Fcons (frame, Fcons (Qmenu_bar, Qnil)); | |
2734 | kbd_buffer_store_event (&buf); | |
2735 | } | |
2736 | ||
2737 | /* Enqueue the events */ | |
2738 | ||
2739 | while (!NILP (event)) | |
2740 | { | |
2741 | buf.frame_or_window = Fcons (frame, XCONS (event)->car); | |
2742 | kbd_buffer_store_event (&buf); | |
2743 | event = XCONS (event)->cdr; | |
2744 | } | |
2745 | } | |
2746 | else | |
2747 | { | |
2748 | /* Came from popup menu */ | |
2749 | } | |
2750 | } | |
2751 | break; | |
2752 | } | |
2753 | } | |
2754 | ||
2755 | /* If the focus was just given to an autoraising frame, | |
2756 | raise it now. */ | |
2757 | /* ??? This ought to be able to handle more than one such frame. */ | |
2758 | if (pending_autoraise_frame) | |
2759 | { | |
2760 | x_raise_frame (pending_autoraise_frame); | |
2761 | pending_autoraise_frame = 0; | |
2762 | } | |
2763 | ||
2764 | UNBLOCK_INPUT; | |
2765 | return count; | |
2766 | } | |
2767 | \f | |
2768 | /* Drawing the cursor. */ | |
2769 | ||
2770 | ||
2771 | /* Draw a hollow box cursor. Don't change the inside of the box. */ | |
2772 | ||
2773 | static void | |
2774 | x_draw_box (f) | |
2775 | struct frame *f; | |
2776 | { | |
2777 | RECT rect; | |
2778 | HBRUSH hb; | |
2779 | HDC hdc; | |
2780 | ||
52cf03a1 | 2781 | hdc = get_frame_dc (f); |
ee78dc32 GV |
2782 | |
2783 | hb = CreateSolidBrush (f->output_data.win32->cursor_pixel); | |
2784 | ||
2785 | rect.left = CHAR_TO_PIXEL_COL (f, curs_x); | |
2786 | rect.top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
52cf03a1 GV |
2787 | rect.right = rect.left + FONT_WIDTH (f->output_data.win32->font); |
2788 | rect.bottom = rect.top + f->output_data.win32->line_height; | |
2789 | ||
ee78dc32 | 2790 | FrameRect (hdc, &rect, hb); |
ee78dc32 | 2791 | DeleteObject (hb); |
52cf03a1 GV |
2792 | |
2793 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
2794 | } |
2795 | ||
2796 | /* Clear the cursor of frame F to background color, | |
2797 | and mark the cursor as not shown. | |
2798 | This is used when the text where the cursor is | |
2799 | is about to be rewritten. */ | |
2800 | ||
2801 | static void | |
2802 | clear_cursor (f) | |
2803 | struct frame *f; | |
2804 | { | |
2805 | if (! FRAME_VISIBLE_P (f) | |
2806 | || f->phys_cursor_x < 0) | |
2807 | return; | |
2808 | ||
2809 | x_display_cursor (f, 0); | |
2810 | f->phys_cursor_x = -1; | |
2811 | } | |
2812 | ||
2813 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style | |
2814 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the | |
2815 | glyph drawn. */ | |
2816 | ||
2817 | static void | |
2818 | x_draw_single_glyph (f, row, column, glyph, highlight) | |
2819 | struct frame *f; | |
2820 | int row, column; | |
2821 | GLYPH glyph; | |
2822 | int highlight; | |
2823 | { | |
2824 | dumpglyphs (f, | |
2825 | CHAR_TO_PIXEL_COL (f, column), | |
2826 | CHAR_TO_PIXEL_ROW (f, row), | |
2827 | &glyph, 1, highlight, 0); | |
2828 | } | |
2829 | ||
2830 | static void | |
2831 | x_display_bar_cursor (f, on) | |
2832 | struct frame *f; | |
2833 | int on; | |
2834 | { | |
2835 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
2836 | ||
2837 | /* This is pointless on invisible frames, and dangerous on garbaged | |
2838 | frames; in the latter case, the frame may be in the midst of | |
2839 | changing its size, and curs_x and curs_y may be off the frame. */ | |
2840 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
2841 | return; | |
2842 | ||
2843 | if (! on && f->phys_cursor_x < 0) | |
2844 | return; | |
2845 | ||
2846 | /* If we're not updating, then we want to use the current frame's | |
2847 | cursor position, not our local idea of where the cursor ought to be. */ | |
2848 | if (f != updating_frame) | |
2849 | { | |
2850 | curs_x = FRAME_CURSOR_X (f); | |
2851 | curs_y = FRAME_CURSOR_Y (f); | |
2852 | } | |
2853 | ||
2854 | /* If there is anything wrong with the current cursor state, remove it. */ | |
2855 | if (f->phys_cursor_x >= 0 | |
2856 | && (!on | |
2857 | || f->phys_cursor_x != curs_x | |
2858 | || f->phys_cursor_y != curs_y | |
2859 | || f->output_data.win32->current_cursor != bar_cursor)) | |
2860 | { | |
2861 | /* Erase the cursor by redrawing the character underneath it. */ | |
2862 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
2863 | f->phys_cursor_glyph, | |
2864 | current_glyphs->highlight[f->phys_cursor_y]); | |
2865 | f->phys_cursor_x = -1; | |
2866 | } | |
2867 | ||
2868 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
2869 | if (on | |
2870 | && (f->phys_cursor_x < 0 | |
2871 | || (f->output_data.win32->current_cursor != bar_cursor))) | |
2872 | { | |
2873 | f->phys_cursor_glyph | |
2874 | = ((current_glyphs->enable[curs_y] | |
2875 | && curs_x < current_glyphs->used[curs_y]) | |
2876 | ? current_glyphs->glyphs[curs_y][curs_x] | |
2877 | : SPACEGLYPH); | |
2878 | win32_fill_area (f, NULL, f->output_data.win32->cursor_pixel, | |
2879 | CHAR_TO_PIXEL_COL (f, curs_x), | |
2880 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
2881 | max (f->output_data.win32->cursor_width, 1), | |
2882 | f->output_data.win32->line_height); | |
2883 | ||
2884 | f->phys_cursor_x = curs_x; | |
2885 | f->phys_cursor_y = curs_y; | |
2886 | ||
2887 | f->output_data.win32->current_cursor = bar_cursor; | |
2888 | } | |
2889 | } | |
2890 | ||
2891 | ||
2892 | /* Turn the displayed cursor of frame F on or off according to ON. | |
2893 | If ON is nonzero, where to put the cursor is specified | |
2894 | by F->cursor_x and F->cursor_y. */ | |
2895 | ||
2896 | static void | |
2897 | x_display_box_cursor (f, on) | |
2898 | struct frame *f; | |
2899 | int on; | |
2900 | { | |
2901 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
2902 | ||
2903 | /* This is pointless on invisible frames, and dangerous on garbaged | |
2904 | frames; in the latter case, the frame may be in the midst of | |
2905 | changing its size, and curs_x and curs_y may be off the frame. */ | |
2906 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
2907 | return; | |
2908 | ||
2909 | /* If cursor is off and we want it off, return quickly. */ | |
2910 | if (!on && f->phys_cursor_x < 0) | |
2911 | return; | |
2912 | ||
2913 | /* If we're not updating, then we want to use the current frame's | |
2914 | cursor position, not our local idea of where the cursor ought to be. */ | |
2915 | if (f != updating_frame) | |
2916 | { | |
2917 | curs_x = FRAME_CURSOR_X (f); | |
2918 | curs_y = FRAME_CURSOR_Y (f); | |
2919 | } | |
2920 | ||
2921 | /* If cursor is currently being shown and we don't want it to be | |
2922 | or it is in the wrong place, | |
2923 | or we want a hollow box and it's not so, (pout!) | |
2924 | erase it. */ | |
2925 | if (f->phys_cursor_x >= 0 | |
2926 | && (!on | |
2927 | || f->phys_cursor_x != curs_x | |
2928 | || f->phys_cursor_y != curs_y | |
2929 | || (f->output_data.win32->current_cursor != hollow_box_cursor | |
2930 | && (f != FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame)))) | |
2931 | { | |
2932 | int mouse_face_here = 0; | |
2933 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); | |
2934 | ||
2935 | /* If the cursor is in the mouse face area, redisplay that when | |
2936 | we clear the cursor. */ | |
2937 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame | |
2938 | && | |
2939 | (f->phys_cursor_y > FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2940 | || (f->phys_cursor_y == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2941 | && f->phys_cursor_x >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
2942 | && | |
2943 | (f->phys_cursor_y < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
2944 | || (f->phys_cursor_y == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
2945 | && f->phys_cursor_x < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col)) | |
2946 | /* Don't redraw the cursor's spot in mouse face | |
2947 | if it is at the end of a line (on a newline). | |
2948 | The cursor appears there, but mouse highlighting does not. */ | |
2949 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
2950 | mouse_face_here = 1; | |
2951 | ||
2952 | /* If the font is not as tall as a whole line, | |
2953 | we must explicitly clear the line's whole height. */ | |
2954 | if (FONT_HEIGHT (f->output_data.win32->font) != f->output_data.win32->line_height) | |
2955 | win32_clear_area (f, NULL, | |
2956 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
2957 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
2958 | FONT_WIDTH (f->output_data.win32->font), | |
2959 | f->output_data.win32->line_height); | |
2960 | /* Erase the cursor by redrawing the character underneath it. */ | |
2961 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
2962 | f->phys_cursor_glyph, | |
2963 | (mouse_face_here | |
2964 | ? 3 | |
2965 | : current_glyphs->highlight[f->phys_cursor_y])); | |
2966 | f->phys_cursor_x = -1; | |
2967 | } | |
2968 | ||
2969 | /* If we want to show a cursor, | |
2970 | or we want a box cursor and it's not so, | |
2971 | write it in the right place. */ | |
2972 | if (on | |
2973 | && (f->phys_cursor_x < 0 | |
2974 | || (f->output_data.win32->current_cursor != filled_box_cursor | |
2975 | && f == FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame))) | |
2976 | { | |
2977 | f->phys_cursor_glyph | |
2978 | = ((current_glyphs->enable[curs_y] | |
2979 | && curs_x < current_glyphs->used[curs_y]) | |
2980 | ? current_glyphs->glyphs[curs_y][curs_x] | |
2981 | : SPACEGLYPH); | |
2982 | if (f != FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame) | |
2983 | { | |
2984 | x_draw_box (f); | |
2985 | f->output_data.win32->current_cursor = hollow_box_cursor; | |
2986 | } | |
2987 | else | |
2988 | { | |
2989 | x_draw_single_glyph (f, curs_y, curs_x, | |
2990 | f->phys_cursor_glyph, 2); | |
2991 | f->output_data.win32->current_cursor = filled_box_cursor; | |
2992 | } | |
2993 | ||
2994 | f->phys_cursor_x = curs_x; | |
2995 | f->phys_cursor_y = curs_y; | |
2996 | } | |
2997 | } | |
2998 | ||
2999 | x_display_cursor (f, on) | |
3000 | struct frame *f; | |
3001 | int on; | |
3002 | { | |
3003 | BLOCK_INPUT; | |
3004 | ||
3005 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) | |
3006 | x_display_box_cursor (f, on); | |
3007 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) | |
3008 | x_display_bar_cursor (f, on); | |
3009 | else | |
3010 | /* Those are the only two we have implemented! */ | |
3011 | abort (); | |
3012 | ||
3013 | UNBLOCK_INPUT; | |
3014 | } | |
3015 | \f | |
3016 | /* Changing the font of the frame. */ | |
3017 | ||
3018 | /* Give frame F the font named FONTNAME as its default font, and | |
3019 | return the full name of that font. FONTNAME may be a wildcard | |
3020 | pattern; in that case, we choose some font that fits the pattern. | |
3021 | The return value shows which font we chose. */ | |
3022 | ||
3023 | Lisp_Object | |
3024 | x_new_font (f, fontname) | |
3025 | struct frame *f; | |
3026 | register char *fontname; | |
3027 | { | |
3028 | int already_loaded; | |
3029 | int n_matching_fonts; | |
3030 | XFontStruct *font_info; | |
3031 | char new_font_name[101]; | |
3032 | ||
3033 | /* Get a font which matches this name */ | |
3034 | { | |
3035 | LOGFONT lf; | |
3036 | ||
3037 | if (!x_to_win32_font(fontname, &lf) | |
3038 | || !win32_to_x_font(&lf, new_font_name, 100)) | |
3039 | { | |
3040 | return Qnil; | |
3041 | } | |
3042 | } | |
3043 | ||
3044 | /* See if we've already loaded a matching font. */ | |
3045 | already_loaded = -1; | |
3046 | ||
3047 | { | |
3048 | int i; | |
3049 | ||
3050 | for (i = 0; i < FRAME_WIN32_DISPLAY_INFO (f)->n_fonts; i++) | |
3051 | if (!strcmp (FRAME_WIN32_DISPLAY_INFO (f)->font_table[i].name, new_font_name)) | |
3052 | { | |
3053 | already_loaded = i; | |
3054 | fontname = FRAME_WIN32_DISPLAY_INFO (f)->font_table[i].name; | |
3055 | break; | |
3056 | } | |
3057 | } | |
3058 | ||
3059 | /* If we have, just return it from the table. */ | |
3060 | if (already_loaded >= 0) | |
3061 | f->output_data.win32->font = FRAME_WIN32_DISPLAY_INFO (f)->font_table[already_loaded].font; | |
3062 | /* Otherwise, load the font and add it to the table. */ | |
3063 | else | |
3064 | { | |
3065 | XFontStruct *font; | |
3066 | int n_fonts; | |
3067 | ||
3068 | font = win32_load_font(FRAME_WIN32_DISPLAY_INFO (f), fontname); | |
3069 | ||
3070 | if (! font) | |
3071 | { | |
3072 | return Qnil; | |
3073 | } | |
3074 | ||
3075 | /* Do we need to create the table? */ | |
3076 | if (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size == 0) | |
3077 | { | |
3078 | FRAME_WIN32_DISPLAY_INFO (f)->font_table_size = 16; | |
3079 | FRAME_WIN32_DISPLAY_INFO (f)->font_table | |
3080 | = (struct font_info *) xmalloc (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size | |
3081 | * sizeof (struct font_info)); | |
3082 | } | |
3083 | /* Do we need to grow the table? */ | |
3084 | else if (FRAME_WIN32_DISPLAY_INFO (f)->n_fonts | |
3085 | >= FRAME_WIN32_DISPLAY_INFO (f)->font_table_size) | |
3086 | { | |
3087 | FRAME_WIN32_DISPLAY_INFO (f)->font_table_size *= 2; | |
3088 | FRAME_WIN32_DISPLAY_INFO (f)->font_table | |
3089 | = (struct font_info *) xrealloc (FRAME_WIN32_DISPLAY_INFO (f)->font_table, | |
3090 | (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size | |
3091 | * sizeof (struct font_info))); | |
3092 | } | |
3093 | ||
3094 | n_fonts = FRAME_WIN32_DISPLAY_INFO (f)->n_fonts; | |
3095 | FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
3096 | bcopy (fontname, FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
3097 | f->output_data.win32->font = FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
3098 | FRAME_WIN32_DISPLAY_INFO (f)->n_fonts++; | |
3099 | } | |
3100 | ||
3101 | /* Compute the scroll bar width in character columns. */ | |
3102 | if (f->scroll_bar_pixel_width > 0) | |
3103 | { | |
3104 | int wid = FONT_WIDTH (f->output_data.win32->font); | |
3105 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
3106 | } | |
3107 | else | |
3108 | f->scroll_bar_cols = 2; | |
3109 | ||
3110 | /* Now make the frame display the given font. */ | |
3111 | if (FRAME_WIN32_WINDOW (f) != 0) | |
3112 | { | |
3113 | frame_update_line_height (f); | |
3114 | x_set_window_size (f, 0, f->width, f->height); | |
3115 | } | |
3116 | else | |
3117 | /* If we are setting a new frame's font for the first time, | |
3118 | there are no faces yet, so this font's height is the line height. */ | |
3119 | f->output_data.win32->line_height = FONT_HEIGHT (f->output_data.win32->font); | |
3120 | ||
3121 | { | |
3122 | Lisp_Object lispy_name; | |
3123 | ||
3124 | lispy_name = build_string (fontname); | |
3125 | ||
3126 | return lispy_name; | |
3127 | } | |
3128 | } | |
3129 | \f | |
3130 | x_calc_absolute_position (f) | |
3131 | struct frame *f; | |
3132 | { | |
3133 | Window win, child; | |
3134 | POINT pt; | |
3135 | int flags = f->output_data.win32->size_hint_flags; | |
3136 | ||
3137 | pt.x = pt.y = 0; | |
3138 | ||
3139 | /* Find the position of the outside upper-left corner of | |
3140 | the inner window, with respect to the outer window. */ | |
3141 | if (f->output_data.win32->parent_desc != FRAME_WIN32_DISPLAY_INFO (f)->root_window) | |
3142 | { | |
3143 | BLOCK_INPUT; | |
3144 | MapWindowPoints (FRAME_WIN32_WINDOW (f), | |
3145 | f->output_data.win32->parent_desc, | |
3146 | &pt, 1); | |
3147 | UNBLOCK_INPUT; | |
3148 | } | |
3149 | ||
3150 | { | |
3151 | RECT rt; | |
3152 | rt.left = rt.right = rt.top = rt.bottom = 0; | |
3153 | ||
3154 | BLOCK_INPUT; | |
97c23857 GV |
3155 | AdjustWindowRect(&rt, f->output_data.win32->dwStyle, |
3156 | FRAME_EXTERNAL_MENU_BAR (f)); | |
ee78dc32 GV |
3157 | UNBLOCK_INPUT; |
3158 | ||
3159 | pt.x += (rt.right - rt.left); | |
3160 | pt.y += (rt.bottom - rt.top); | |
3161 | } | |
3162 | ||
3163 | /* Treat negative positions as relative to the leftmost bottommost | |
3164 | position that fits on the screen. */ | |
3165 | if (flags & XNegative) | |
3166 | f->output_data.win32->left_pos = (FRAME_WIN32_DISPLAY_INFO (f)->width | |
3167 | - 2 * f->output_data.win32->border_width - pt.x | |
3168 | - PIXEL_WIDTH (f) | |
3169 | + f->output_data.win32->left_pos); | |
3170 | ||
3171 | if (flags & YNegative) | |
3172 | f->output_data.win32->top_pos = (FRAME_WIN32_DISPLAY_INFO (f)->height | |
3173 | - 2 * f->output_data.win32->border_width - pt.y | |
3174 | - PIXEL_HEIGHT (f) | |
3175 | + f->output_data.win32->top_pos); | |
3176 | /* The left_pos and top_pos | |
3177 | are now relative to the top and left screen edges, | |
3178 | so the flags should correspond. */ | |
3179 | f->output_data.win32->size_hint_flags &= ~ (XNegative | YNegative); | |
3180 | } | |
3181 | ||
3182 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, | |
3183 | to really change the position, and 0 when calling from | |
3184 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
3185 | position values). It is -1 when calling from x_set_frame_parameters, | |
3186 | which means, do adjust for borders but don't change the gravity. */ | |
3187 | ||
3188 | x_set_offset (f, xoff, yoff, change_gravity) | |
3189 | struct frame *f; | |
3190 | register int xoff, yoff; | |
3191 | int change_gravity; | |
3192 | { | |
3193 | int modified_top, modified_left; | |
3194 | ||
3195 | if (change_gravity > 0) | |
3196 | { | |
3197 | f->output_data.win32->top_pos = yoff; | |
3198 | f->output_data.win32->left_pos = xoff; | |
3199 | f->output_data.win32->size_hint_flags &= ~ (XNegative | YNegative); | |
3200 | if (xoff < 0) | |
3201 | f->output_data.win32->size_hint_flags |= XNegative; | |
3202 | if (yoff < 0) | |
3203 | f->output_data.win32->size_hint_flags |= YNegative; | |
3204 | f->output_data.win32->win_gravity = NorthWestGravity; | |
3205 | } | |
3206 | x_calc_absolute_position (f); | |
3207 | ||
3208 | BLOCK_INPUT; | |
3209 | x_wm_set_size_hint (f, (long) 0, 0); | |
3210 | ||
3211 | /* It is a mystery why we need to add the border_width here | |
3212 | when the frame is already visible, but experiment says we do. */ | |
3213 | modified_left = f->output_data.win32->left_pos; | |
3214 | modified_top = f->output_data.win32->top_pos; | |
3215 | if (change_gravity != 0) | |
3216 | { | |
3217 | modified_left += f->output_data.win32->border_width; | |
3218 | modified_top += f->output_data.win32->border_width; | |
3219 | } | |
3220 | ||
52cf03a1 GV |
3221 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3222 | NULL, | |
3223 | modified_left, modified_top, | |
3224 | 0,0, | |
3225 | SWP_NOZORDER | SWP_NOSIZE); | |
ee78dc32 GV |
3226 | UNBLOCK_INPUT; |
3227 | } | |
3228 | ||
3229 | /* Call this to change the size of frame F's x-window. | |
3230 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
3231 | for this size change and subsequent size changes. | |
3232 | Otherwise we leave the window gravity unchanged. */ | |
3233 | ||
3234 | x_set_window_size (f, change_gravity, cols, rows) | |
3235 | struct frame *f; | |
3236 | int change_gravity; | |
3237 | int cols, rows; | |
3238 | { | |
3239 | int pixelwidth, pixelheight; | |
3240 | ||
3241 | BLOCK_INPUT; | |
3242 | ||
3243 | check_frame_size (f, &rows, &cols); | |
3244 | f->output_data.win32->vertical_scroll_bar_extra | |
3245 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3246 | ? 0 | |
3247 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
3248 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
3249 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.win32->font))); | |
3250 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3251 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
3252 | ||
3253 | f->output_data.win32->win_gravity = NorthWestGravity; | |
3254 | x_wm_set_size_hint (f, (long) 0, 0); | |
3255 | ||
3256 | { | |
3257 | RECT rect; | |
3258 | ||
3259 | rect.left = rect.top = 0; | |
3260 | rect.right = pixelwidth; | |
3261 | rect.bottom = pixelheight; | |
3262 | ||
97c23857 GV |
3263 | AdjustWindowRect(&rect, f->output_data.win32->dwStyle, |
3264 | FRAME_EXTERNAL_MENU_BAR (f)); | |
ee78dc32 GV |
3265 | |
3266 | /* All windows have an extra pixel */ | |
3267 | ||
52cf03a1 GV |
3268 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3269 | NULL, | |
3270 | 0, 0, | |
3271 | rect.right - rect.left + 1, | |
3272 | rect.bottom - rect.top + 1, | |
3273 | SWP_NOZORDER | SWP_NOMOVE); | |
ee78dc32 GV |
3274 | } |
3275 | ||
3276 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3277 | but the window manager will get around to dealing with the size | |
3278 | change request eventually, and we'll hear how it went when the | |
3279 | ConfigureNotify event gets here. | |
3280 | ||
3281 | We could just not bother storing any of this information here, | |
3282 | and let the ConfigureNotify event set everything up, but that | |
3283 | might be kind of confusing to the lisp code, since size changes | |
3284 | wouldn't be reported in the frame parameters until some random | |
3285 | point in the future when the ConfigureNotify event arrives. */ | |
3286 | change_frame_size (f, rows, cols, 0, 0); | |
3287 | PIXEL_WIDTH (f) = pixelwidth; | |
3288 | PIXEL_HEIGHT (f) = pixelheight; | |
3289 | ||
3290 | /* If cursor was outside the new size, mark it as off. */ | |
3291 | if (f->phys_cursor_y >= rows | |
3292 | || f->phys_cursor_x >= cols) | |
3293 | { | |
3294 | f->phys_cursor_x = -1; | |
3295 | f->phys_cursor_y = -1; | |
3296 | } | |
3297 | ||
3298 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to | |
3299 | receive in the ConfigureNotify event; if we get what we asked | |
3300 | for, then the event won't cause the screen to become garbaged, so | |
3301 | we have to make sure to do it here. */ | |
3302 | SET_FRAME_GARBAGED (f); | |
3303 | ||
3304 | UNBLOCK_INPUT; | |
3305 | } | |
3306 | \f | |
3307 | /* Mouse warping. */ | |
3308 | ||
3309 | void | |
3310 | x_set_mouse_position (f, x, y) | |
3311 | struct frame *f; | |
3312 | int x, y; | |
3313 | { | |
3314 | int pix_x, pix_y; | |
3315 | ||
3316 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.win32->font) / 2; | |
3317 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.win32->line_height / 2; | |
3318 | ||
3319 | if (pix_x < 0) pix_x = 0; | |
3320 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3321 | ||
3322 | if (pix_y < 0) pix_y = 0; | |
3323 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
3324 | ||
3325 | BLOCK_INPUT; | |
3326 | ||
3327 | SetCursorPos (pix_x, pix_y); | |
3328 | ||
3329 | UNBLOCK_INPUT; | |
3330 | } | |
3331 | ||
3332 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ | |
3333 | ||
3334 | void | |
3335 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
3336 | struct frame *f; | |
3337 | int pix_x, pix_y; | |
3338 | { | |
3339 | BLOCK_INPUT; | |
3340 | ||
3341 | SetCursorPos (pix_x, pix_y); | |
3342 | ||
3343 | UNBLOCK_INPUT; | |
3344 | } | |
3345 | \f | |
3346 | /* focus shifting, raising and lowering. */ | |
3347 | ||
3348 | x_focus_on_frame (f) | |
3349 | struct frame *f; | |
3350 | { | |
3351 | } | |
3352 | ||
3353 | x_unfocus_frame (f) | |
3354 | struct frame *f; | |
3355 | { | |
3356 | } | |
3357 | ||
3358 | /* Raise frame F. */ | |
3359 | ||
3360 | x_raise_frame (f) | |
3361 | struct frame *f; | |
3362 | { | |
52cf03a1 | 3363 | // if (f->async_visible) |
ee78dc32 GV |
3364 | { |
3365 | BLOCK_INPUT; | |
52cf03a1 GV |
3366 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3367 | HWND_TOP, | |
3368 | 0, 0, 0, 0, | |
3369 | SWP_NOSIZE | SWP_NOMOVE); | |
ee78dc32 GV |
3370 | UNBLOCK_INPUT; |
3371 | } | |
3372 | } | |
3373 | ||
3374 | /* Lower frame F. */ | |
3375 | ||
3376 | x_lower_frame (f) | |
3377 | struct frame *f; | |
3378 | { | |
52cf03a1 | 3379 | // if (f->async_visible) |
ee78dc32 GV |
3380 | { |
3381 | BLOCK_INPUT; | |
52cf03a1 GV |
3382 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3383 | HWND_BOTTOM, | |
3384 | 0, 0, 0, 0, | |
3385 | SWP_NOSIZE | SWP_NOMOVE); | |
ee78dc32 GV |
3386 | UNBLOCK_INPUT; |
3387 | } | |
3388 | } | |
3389 | ||
3390 | static void | |
3391 | win32_frame_raise_lower (f, raise) | |
3392 | FRAME_PTR f; | |
3393 | int raise; | |
3394 | { | |
3395 | if (raise) | |
3396 | x_raise_frame (f); | |
3397 | else | |
3398 | x_lower_frame (f); | |
3399 | } | |
3400 | \f | |
3401 | /* Change of visibility. */ | |
3402 | ||
3403 | /* This tries to wait until the frame is really visible. | |
3404 | However, if the window manager asks the user where to position | |
3405 | the frame, this will return before the user finishes doing that. | |
3406 | The frame will not actually be visible at that time, | |
3407 | but it will become visible later when the window manager | |
3408 | finishes with it. */ | |
3409 | ||
3410 | x_make_frame_visible (f) | |
3411 | struct frame *f; | |
3412 | { | |
3413 | BLOCK_INPUT; | |
3414 | ||
3415 | if (! FRAME_VISIBLE_P (f)) | |
3416 | { | |
3417 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
3418 | call x_set_offset a second time | |
3419 | if we get to x_make_frame_visible a second time | |
3420 | before the window gets really visible. */ | |
3421 | if (! FRAME_ICONIFIED_P (f) | |
52cf03a1 GV |
3422 | && ! f->output_data.win32->asked_for_visible) |
3423 | { | |
3424 | x_set_offset (f, f->output_data.win32->left_pos, f->output_data.win32->top_pos, 0); | |
3425 | // SetForegroundWindow (FRAME_WIN32_WINDOW (f)); | |
3426 | } | |
ee78dc32 GV |
3427 | |
3428 | f->output_data.win32->asked_for_visible = 1; | |
52cf03a1 GV |
3429 | |
3430 | my_show_window (FRAME_WIN32_WINDOW (f), SW_SHOWNORMAL); | |
ee78dc32 GV |
3431 | } |
3432 | ||
3433 | /* Synchronize to ensure Emacs knows the frame is visible | |
3434 | before we do anything else. We do this loop with input not blocked | |
3435 | so that incoming events are handled. */ | |
3436 | { | |
3437 | Lisp_Object frame; | |
3438 | int count = input_signal_count; | |
3439 | ||
3440 | /* This must come after we set COUNT. */ | |
3441 | UNBLOCK_INPUT; | |
3442 | ||
3443 | XSETFRAME (frame, f); | |
3444 | ||
3445 | while (1) | |
3446 | { | |
3447 | /* Once we have handled input events, | |
3448 | we should have received the MapNotify if one is coming. | |
3449 | So if we have not got it yet, stop looping. | |
3450 | Some window managers make their own decisions | |
3451 | about visibility. */ | |
3452 | if (input_signal_count != count) | |
3453 | break; | |
3454 | /* Machines that do polling rather than SIGIO have been observed | |
3455 | to go into a busy-wait here. So we'll fake an alarm signal | |
3456 | to let the handler know that there's something to be read. | |
3457 | We used to raise a real alarm, but it seems that the handler | |
3458 | isn't always enabled here. This is probably a bug. */ | |
3459 | if (input_polling_used ()) | |
3460 | { | |
3461 | /* It could be confusing if a real alarm arrives while processing | |
3462 | the fake one. Turn it off and let the handler reset it. */ | |
3463 | alarm (0); | |
3464 | input_poll_signal (); | |
3465 | } | |
3466 | /* Once we have handled input events, | |
3467 | we should have received the MapNotify if one is coming. | |
3468 | So if we have not got it yet, stop looping. | |
3469 | Some window managers make their own decisions | |
3470 | about visibility. */ | |
3471 | if (input_signal_count != count) | |
3472 | break; | |
3473 | } | |
3474 | FRAME_SAMPLE_VISIBILITY (f); | |
3475 | } | |
3476 | } | |
3477 | ||
3478 | /* Change from mapped state to withdrawn state. */ | |
3479 | ||
3480 | /* Make the frame visible (mapped and not iconified). */ | |
3481 | ||
3482 | x_make_frame_invisible (f) | |
3483 | struct frame *f; | |
3484 | { | |
3485 | Window window; | |
3486 | ||
3487 | /* Don't keep the highlight on an invisible frame. */ | |
3488 | if (FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame == f) | |
3489 | FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame = 0; | |
3490 | ||
3491 | BLOCK_INPUT; | |
3492 | ||
52cf03a1 | 3493 | my_show_window (FRAME_WIN32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
3494 | |
3495 | /* We can't distinguish this from iconification | |
3496 | just by the event that we get from the server. | |
3497 | So we can't win using the usual strategy of letting | |
3498 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
3499 | and synchronize with the server to make sure we agree. */ | |
3500 | f->visible = 0; | |
3501 | FRAME_ICONIFIED_P (f) = 0; | |
3502 | f->async_visible = 0; | |
3503 | f->async_iconified = 0; | |
3504 | ||
3505 | UNBLOCK_INPUT; | |
3506 | } | |
3507 | ||
3508 | /* Change window state from mapped to iconified. */ | |
3509 | ||
52cf03a1 GV |
3510 | void |
3511 | x_iconify_frame (f) | |
ee78dc32 GV |
3512 | struct frame *f; |
3513 | { | |
3514 | int result; | |
3515 | ||
3516 | /* Don't keep the highlight on an invisible frame. */ | |
3517 | if (FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame == f) | |
3518 | FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame = 0; | |
3519 | ||
3520 | if (f->async_iconified) | |
3521 | return; | |
3522 | ||
3523 | BLOCK_INPUT; | |
3524 | ||
52cf03a1 GV |
3525 | my_show_window (FRAME_WIN32_WINDOW (f), SW_SHOWMINIMIZED); |
3526 | /* The frame doesn't seem to be lowered automatically. */ | |
3527 | x_lower_frame (f); | |
ee78dc32 GV |
3528 | |
3529 | f->async_iconified = 1; | |
3530 | ||
3531 | UNBLOCK_INPUT; | |
3532 | } | |
3533 | \f | |
3534 | /* Destroy the window of frame F. */ | |
3535 | ||
3536 | x_destroy_window (f) | |
3537 | struct frame *f; | |
3538 | { | |
3539 | struct win32_display_info *dpyinfo = FRAME_WIN32_DISPLAY_INFO (f); | |
3540 | ||
3541 | BLOCK_INPUT; | |
3542 | ||
3543 | my_destroy_window (f, FRAME_WIN32_WINDOW (f)); | |
3544 | free_frame_menubar (f); | |
3545 | free_frame_faces (f); | |
3546 | ||
3547 | xfree (f->output_data.win32); | |
3548 | f->output_data.win32 = 0; | |
3549 | if (f == dpyinfo->win32_focus_frame) | |
3550 | dpyinfo->win32_focus_frame = 0; | |
3551 | if (f == dpyinfo->win32_focus_event_frame) | |
3552 | dpyinfo->win32_focus_event_frame = 0; | |
3553 | if (f == dpyinfo->win32_highlight_frame) | |
3554 | dpyinfo->win32_highlight_frame = 0; | |
3555 | ||
3556 | dpyinfo->reference_count--; | |
3557 | ||
3558 | if (f == dpyinfo->mouse_face_mouse_frame) | |
3559 | { | |
3560 | dpyinfo->mouse_face_beg_row | |
3561 | = dpyinfo->mouse_face_beg_col = -1; | |
3562 | dpyinfo->mouse_face_end_row | |
3563 | = dpyinfo->mouse_face_end_col = -1; | |
3564 | dpyinfo->mouse_face_window = Qnil; | |
3565 | } | |
3566 | ||
3567 | UNBLOCK_INPUT; | |
3568 | } | |
3569 | \f | |
3570 | /* Setting window manager hints. */ | |
3571 | ||
3572 | /* Set the normal size hints for the window manager, for frame F. | |
3573 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
3574 | that the window now has. | |
3575 | If USER_POSITION is nonzero, we set the USPosition | |
3576 | flag (this is useful when FLAGS is 0). */ | |
3577 | ||
3578 | x_wm_set_size_hint (f, flags, user_position) | |
3579 | struct frame *f; | |
3580 | long flags; | |
3581 | int user_position; | |
3582 | { | |
3583 | Window window = FRAME_WIN32_WINDOW (f); | |
3584 | ||
3585 | flexlines = f->height; | |
3586 | ||
97c23857 | 3587 | enter_crit (); |
ee78dc32 GV |
3588 | |
3589 | SetWindowLong (window, WND_X_UNITS_INDEX, FONT_WIDTH (f->output_data.win32->font)); | |
3590 | SetWindowLong (window, WND_Y_UNITS_INDEX, f->output_data.win32->line_height); | |
3591 | ||
97c23857 | 3592 | leave_crit (); |
ee78dc32 GV |
3593 | } |
3594 | ||
3595 | /* Window manager things */ | |
3596 | x_wm_set_icon_position (f, icon_x, icon_y) | |
3597 | struct frame *f; | |
3598 | int icon_x, icon_y; | |
3599 | { | |
3600 | #if 0 | |
3601 | Window window = FRAME_WIN32_WINDOW (f); | |
3602 | ||
3603 | f->display.x->wm_hints.flags |= IconPositionHint; | |
3604 | f->display.x->wm_hints.icon_x = icon_x; | |
3605 | f->display.x->wm_hints.icon_y = icon_y; | |
3606 | ||
3607 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
3608 | #endif | |
3609 | } | |
3610 | ||
3611 | \f | |
3612 | /* Initialization. */ | |
3613 | ||
3614 | #ifdef USE_X_TOOLKIT | |
3615 | static XrmOptionDescRec emacs_options[] = { | |
3616 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
3617 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
3618 | ||
3619 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
3620 | XrmoptionSepArg, NULL}, | |
3621 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
3622 | ||
3623 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
3624 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
3625 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
3626 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
3627 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
3628 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
3629 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
3630 | }; | |
3631 | #endif /* USE_X_TOOLKIT */ | |
3632 | ||
3633 | static int win32_initialized = 0; | |
3634 | ||
3635 | struct win32_display_info * | |
3636 | win32_term_init (display_name, xrm_option, resource_name) | |
3637 | Lisp_Object display_name; | |
3638 | char *xrm_option; | |
3639 | char *resource_name; | |
3640 | { | |
3641 | Lisp_Object frame; | |
3642 | char *defaultvalue; | |
3643 | struct win32_display_info *dpyinfo; | |
3644 | HDC hdc; | |
97c23857 | 3645 | |
ee78dc32 GV |
3646 | BLOCK_INPUT; |
3647 | ||
3648 | if (!win32_initialized) | |
3649 | { | |
3650 | win32_initialize (); | |
3651 | win32_initialized = 1; | |
3652 | } | |
3653 | ||
3654 | { | |
3655 | int argc = 0; | |
3656 | char *argv[3]; | |
3657 | ||
3658 | argv[0] = ""; | |
3659 | argc = 1; | |
3660 | if (xrm_option) | |
3661 | { | |
3662 | argv[argc++] = "-xrm"; | |
3663 | argv[argc++] = xrm_option; | |
3664 | } | |
3665 | } | |
3666 | ||
3667 | dpyinfo = &one_win32_display_info; | |
3668 | ||
3669 | /* Put this display on the chain. */ | |
3670 | dpyinfo->next = NULL; | |
3671 | ||
3672 | /* Put it on win32_display_name_list as well, to keep them parallel. */ | |
3673 | win32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
3674 | win32_display_name_list); | |
3675 | dpyinfo->name_list_element = XCONS (win32_display_name_list)->car; | |
97c23857 | 3676 | |
ee78dc32 GV |
3677 | dpyinfo->win32_id_name |
3678 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
3679 | + XSTRING (Vsystem_name)->size | |
3680 | + 2); | |
3681 | sprintf (dpyinfo->win32_id_name, "%s@%s", | |
3682 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
3683 | ||
3684 | #if 0 | |
3685 | xrdb = x_load_resources (dpyinfo->display, xrm_option, | |
3686 | resource_name, EMACS_CLASS); | |
3687 | ||
3688 | /* Put the rdb where we can find it in a way that works on | |
3689 | all versions. */ | |
3690 | dpyinfo->xrdb = xrdb; | |
3691 | #endif | |
52cf03a1 | 3692 | hdc = GetDC (GetDesktopWindow ()); |
ee78dc32 GV |
3693 | |
3694 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); | |
3695 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
3696 | dpyinfo->root_window = GetDesktopWindow (); | |
3697 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
3698 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
3699 | dpyinfo->height_in = GetDeviceCaps (hdc, LOGPIXELSX); | |
3700 | dpyinfo->width_in = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 3701 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
ee78dc32 GV |
3702 | dpyinfo->grabbed = 0; |
3703 | dpyinfo->reference_count = 0; | |
3704 | dpyinfo->n_fonts = 0; | |
3705 | dpyinfo->font_table_size = 0; | |
3706 | dpyinfo->bitmaps = 0; | |
3707 | dpyinfo->bitmaps_size = 0; | |
3708 | dpyinfo->bitmaps_last = 0; | |
3709 | dpyinfo->mouse_face_mouse_frame = 0; | |
3710 | dpyinfo->mouse_face_deferred_gc = 0; | |
3711 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
3712 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
3713 | dpyinfo->mouse_face_face_id = 0; | |
3714 | dpyinfo->mouse_face_window = Qnil; | |
3715 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
3716 | dpyinfo->mouse_face_defer = 0; | |
3717 | dpyinfo->win32_focus_frame = 0; | |
3718 | dpyinfo->win32_focus_event_frame = 0; | |
3719 | dpyinfo->win32_highlight_frame = 0; | |
3720 | ||
3721 | ReleaseDC (GetDesktopWindow (), hdc); | |
3722 | ||
52cf03a1 GV |
3723 | /* Determine if there is a middle mouse button, to allow parse_button |
3724 | to decide whether right mouse events should be mouse-2 or | |
3725 | mouse-3. */ | |
3726 | XSETINT (Vwin32_num_mouse_buttons, GetSystemMetrics (SM_CMOUSEBUTTONS)); | |
3727 | ||
3728 | /* initialise palette with white and black */ | |
3729 | { | |
3730 | COLORREF color; | |
3731 | defined_color (0, "white", &color, 1); | |
3732 | defined_color (0, "black", &color, 1); | |
3733 | } | |
3734 | ||
ee78dc32 GV |
3735 | #ifndef F_SETOWN_BUG |
3736 | #ifdef F_SETOWN | |
3737 | #ifdef F_SETOWN_SOCK_NEG | |
3738 | /* stdin is a socket here */ | |
3739 | fcntl (connection, F_SETOWN, -getpid ()); | |
3740 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
3741 | fcntl (connection, F_SETOWN, getpid ()); | |
3742 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
3743 | #endif /* ! defined (F_SETOWN) */ | |
3744 | #endif /* F_SETOWN_BUG */ | |
3745 | ||
3746 | #ifdef SIGIO | |
3747 | if (interrupt_input) | |
3748 | init_sigio (connection); | |
3749 | #endif /* ! defined (SIGIO) */ | |
3750 | ||
3751 | UNBLOCK_INPUT; | |
3752 | ||
3753 | return dpyinfo; | |
3754 | } | |
3755 | \f | |
3756 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
3757 | ||
3758 | void | |
3759 | x_delete_display (dpyinfo) | |
3760 | struct win32_display_info *dpyinfo; | |
3761 | { | |
3762 | /* Discard this display from win32_display_name_list and win32_display_list. | |
3763 | We can't use Fdelq because that can quit. */ | |
3764 | if (! NILP (win32_display_name_list) | |
3765 | && EQ (XCONS (win32_display_name_list)->car, dpyinfo->name_list_element)) | |
3766 | win32_display_name_list = XCONS (win32_display_name_list)->cdr; | |
3767 | else | |
3768 | { | |
3769 | Lisp_Object tail; | |
3770 | ||
3771 | tail = win32_display_name_list; | |
3772 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
3773 | { | |
3774 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
3775 | dpyinfo->name_list_element)) | |
3776 | { | |
3777 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
3778 | break; | |
3779 | } | |
3780 | tail = XCONS (tail)->cdr; | |
3781 | } | |
3782 | } | |
3783 | ||
52cf03a1 GV |
3784 | /* free palette table */ |
3785 | { | |
3786 | struct win32_palette_entry * plist; | |
3787 | ||
3788 | plist = dpyinfo->color_list; | |
3789 | while (plist) | |
3790 | { | |
3791 | struct win32_palette_entry * pentry = plist; | |
3792 | plist = plist->next; | |
3793 | xfree(pentry); | |
3794 | } | |
3795 | dpyinfo->color_list = NULL; | |
3796 | if (dpyinfo->palette) | |
3797 | DeleteObject(dpyinfo->palette); | |
3798 | } | |
ee78dc32 GV |
3799 | xfree (dpyinfo->font_table); |
3800 | xfree (dpyinfo->win32_id_name); | |
3801 | } | |
3802 | \f | |
3803 | /* Set up use of Win32. */ | |
3804 | ||
3805 | DWORD win_msg_worker (); | |
3806 | ||
3807 | win32_initialize () | |
3808 | { | |
3809 | clear_frame_hook = win32_clear_frame; | |
3810 | clear_end_of_line_hook = win32_clear_end_of_line; | |
3811 | ins_del_lines_hook = win32_ins_del_lines; | |
3812 | change_line_highlight_hook = win32_change_line_highlight; | |
3813 | insert_glyphs_hook = win32_insert_glyphs; | |
3814 | write_glyphs_hook = win32_write_glyphs; | |
3815 | delete_glyphs_hook = win32_delete_glyphs; | |
3816 | ring_bell_hook = win32_ring_bell; | |
3817 | reset_terminal_modes_hook = win32_reset_terminal_modes; | |
3818 | set_terminal_modes_hook = win32_set_terminal_modes; | |
3819 | update_begin_hook = win32_update_begin; | |
3820 | update_end_hook = win32_update_end; | |
3821 | set_terminal_window_hook = win32_set_terminal_window; | |
3822 | read_socket_hook = w32_read_socket; | |
3823 | frame_up_to_date_hook = win32_frame_up_to_date; | |
3824 | cursor_to_hook = win32_cursor_to; | |
3825 | reassert_line_highlight_hook = win32_reassert_line_highlight; | |
3826 | mouse_position_hook = win32_mouse_position; | |
3827 | frame_rehighlight_hook = win32_frame_rehighlight; | |
3828 | frame_raise_lower_hook = win32_frame_raise_lower; | |
3829 | set_vertical_scroll_bar_hook = win32_set_vertical_scroll_bar; | |
3830 | condemn_scroll_bars_hook = win32_condemn_scroll_bars; | |
3831 | redeem_scroll_bar_hook = win32_redeem_scroll_bar; | |
3832 | judge_scroll_bars_hook = win32_judge_scroll_bars; | |
3833 | ||
3834 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
3835 | char_ins_del_ok = 0; /* just as fast to write the line */ | |
3836 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
3837 | fast_clear_end_of_line = 1; /* X does this well */ | |
3838 | memory_below_frame = 0; /* we don't remember what scrolls | |
3839 | off the bottom */ | |
3840 | baud_rate = 19200; | |
3841 | ||
3842 | /* Try to use interrupt input; if we can't, then start polling. */ | |
3843 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
3844 | ||
3845 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
3846 | ||
3847 | init_crit (); | |
3848 | ||
3849 | dwMainThreadId = GetCurrentThreadId (); | |
3850 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
3851 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
3852 | ||
3853 | /* Wait for thread to start */ | |
3854 | ||
3855 | { | |
3856 | MSG msg; | |
3857 | ||
3858 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
3859 | ||
3860 | hWinThread = CreateThread (NULL, 0, | |
3861 | (LPTHREAD_START_ROUTINE) win_msg_worker, | |
3862 | 0, 0, &dwWinThreadId); | |
3863 | ||
3864 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
3865 | } | |
3866 | ||
52cf03a1 GV |
3867 | /* It is desirable that mainThread should have the same notion of |
3868 | focus window and active window as winThread. Unfortunately, the | |
3869 | following call to AttachThreadInput, which should do precisely what | |
3870 | we need, causes major problems when Emacs is linked as a console | |
3871 | program. Unfortunately, we have good reasons for doing that, so | |
3872 | instead we need to send messages to winThread to make some API | |
3873 | calls for us (ones that affect, or depend on, the active/focus | |
3874 | window state. */ | |
3875 | #ifdef ATTACH_THREADS | |
a92989c3 | 3876 | AttachThreadInput (dwMainThreadId, dwWinThreadId, TRUE); |
52cf03a1 | 3877 | #endif |
ee78dc32 GV |
3878 | } |
3879 | ||
3880 | void | |
3881 | syms_of_win32term () | |
3882 | { | |
3883 | staticpro (&win32_display_name_list); | |
3884 | win32_display_name_list = Qnil; | |
3885 | ||
3886 | staticpro (&last_mouse_scroll_bar); | |
3887 | last_mouse_scroll_bar = Qnil; | |
3888 | ||
3889 | staticpro (&Qvendor_specific_keysyms); | |
3890 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 GV |
3891 | |
3892 | DEFVAR_INT ("win32-num-mouse-buttons", | |
3893 | &Vwin32_num_mouse_buttons, | |
3894 | "Number of physical mouse buttons."); | |
3895 | Vwin32_num_mouse_buttons = Qnil; | |
3896 | ||
3897 | DEFVAR_LISP ("win32-swap-mouse-buttons", | |
3898 | &Vwin32_swap_mouse_buttons, | |
3899 | "Swap the mapping of middle and right mouse buttons.\n\ | |
3900 | When nil, middle button is mouse-2 and right button is mouse-3."); | |
3901 | Vwin32_swap_mouse_buttons = Qnil; | |
ee78dc32 | 3902 | } |