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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 | |
1fb87c77 KH |
17 | along with GNU Emacs; see the file COPYING. If not, write to the |
18 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
ee78dc32 GV |
20 | |
21 | /* Added by Kevin Gallo */ | |
22 | ||
23 | #include <signal.h> | |
24 | #include <config.h> | |
25 | #include <stdio.h> | |
26 | #include "lisp.h" | |
27 | #include "blockinput.h" | |
28 | ||
29 | #include <w32term.h> | |
30 | ||
31 | #include "systty.h" | |
32 | #include "systime.h" | |
33 | ||
34 | #include <ctype.h> | |
35 | #include <errno.h> | |
36 | #include <setjmp.h> | |
37 | #include <sys/stat.h> | |
38 | ||
39 | #include "frame.h" | |
40 | #include "dispextern.h" | |
41 | #include "termhooks.h" | |
42 | #include "termopts.h" | |
43 | #include "termchar.h" | |
44 | #include "gnu.h" | |
45 | #include "disptab.h" | |
46 | #include "buffer.h" | |
47 | #include "window.h" | |
48 | #include "keyboard.h" | |
49 | #include "intervals.h" | |
50 | ||
51 | extern void free_frame_menubar (); | |
52 | ||
52cf03a1 GV |
53 | extern Lisp_Object Vwindow_system; |
54 | ||
ee78dc32 GV |
55 | #define x_any_window_to_frame x_window_to_frame |
56 | #define x_top_window_to_frame x_window_to_frame | |
57 | ||
58 | \f | |
59 | /* This is display since win32 does not support multiple ones. */ | |
60 | struct win32_display_info one_win32_display_info; | |
61 | ||
62 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
63 | one for each element of win32_display_list and in the same order. | |
64 | NAME is the name of the frame. | |
65 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
66 | Lisp_Object win32_display_name_list; | |
67 | ||
68 | /* Frame being updated by update_frame. This is declared in term.c. | |
69 | This is set by update_begin and looked at by all the | |
70 | win32 functions. It is zero while not inside an update. | |
71 | In that case, the win32 functions assume that `selected_frame' | |
72 | is the frame to apply to. */ | |
73 | extern struct frame *updating_frame; | |
74 | ||
75 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
76 | struct frame *pending_autoraise_frame; | |
77 | ||
78 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
79 | ||
80 | static int flexlines; | |
81 | ||
82 | /* During an update, nonzero if chars output now should be highlighted. */ | |
83 | ||
84 | static int highlight; | |
85 | ||
86 | /* Nominal cursor position -- where to draw output. | |
87 | During an update, these are different from the cursor-box position. */ | |
88 | ||
89 | static int curs_x; | |
90 | static int curs_y; | |
91 | ||
92 | DWORD dwWinThreadId = 0; | |
93 | HANDLE hWinThread = NULL; | |
94 | DWORD dwMainThreadId = 0; | |
95 | HANDLE hMainThread = NULL; | |
96 | ||
97 | /* Mouse movement. */ | |
98 | ||
99 | /* Where the mouse was last time we reported a mouse event. */ | |
100 | static FRAME_PTR last_mouse_frame; | |
101 | static RECT last_mouse_glyph; | |
102 | ||
52cf03a1 GV |
103 | Lisp_Object Vwin32_num_mouse_buttons; |
104 | ||
105 | Lisp_Object Vwin32_swap_mouse_buttons; | |
106 | ||
ee78dc32 GV |
107 | /* The scroll bar in which the last motion event occurred. |
108 | ||
109 | If the last motion event occurred in a scroll bar, we set this | |
110 | so win32_mouse_position can know whether to report a scroll bar motion or | |
111 | an ordinary motion. | |
112 | ||
113 | If the last motion event didn't occur in a scroll bar, we set this | |
114 | to Qnil, to tell win32_mouse_position to return an ordinary motion event. */ | |
115 | Lisp_Object last_mouse_scroll_bar; | |
116 | int last_mouse_scroll_bar_pos; | |
117 | ||
118 | /* This is a hack. We would really prefer that win32_mouse_position would | |
119 | return the time associated with the position it returns, but there | |
120 | doesn't seem to be any way to wrest the timestamp from the server | |
121 | along with the position query. So, we just keep track of the time | |
122 | of the last movement we received, and return that in hopes that | |
123 | it's somewhat accurate. */ | |
124 | Time last_mouse_movement_time; | |
125 | ||
126 | /* Incremented by w32_read_socket whenever it really tries to read events. */ | |
127 | #ifdef __STDC__ | |
128 | static int volatile input_signal_count; | |
129 | #else | |
130 | static int input_signal_count; | |
131 | #endif | |
132 | ||
133 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
134 | ||
135 | extern Lisp_Object Qface, Qmouse_face; | |
136 | ||
137 | extern int errno; | |
138 | ||
139 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
140 | extern int extra_keyboard_modifiers; | |
141 | ||
142 | static Lisp_Object Qvendor_specific_keysyms; | |
143 | ||
144 | void win32_delete_display (); | |
145 | ||
146 | static void redraw_previous_char (); | |
147 | static void redraw_following_char (); | |
148 | static unsigned int win32_get_modifiers (); | |
149 | ||
150 | static int fast_find_position (); | |
151 | static void note_mouse_highlight (); | |
152 | static void clear_mouse_face (); | |
153 | static void show_mouse_face (); | |
154 | static void do_line_dance (); | |
155 | ||
156 | static int win32_cursor_to (); | |
157 | static int win32_clear_end_of_line (); | |
158 | \f | |
159 | #if 0 | |
160 | /* This is a function useful for recording debugging information | |
161 | about the sequence of occurrences in this file. */ | |
162 | ||
163 | struct record | |
164 | { | |
165 | char *locus; | |
166 | int type; | |
167 | }; | |
168 | ||
169 | struct record event_record[100]; | |
170 | ||
171 | int event_record_index; | |
172 | ||
173 | record_event (locus, type) | |
174 | char *locus; | |
175 | int type; | |
176 | { | |
177 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
178 | event_record_index = 0; | |
179 | ||
180 | event_record[event_record_index].locus = locus; | |
181 | event_record[event_record_index].type = type; | |
182 | event_record_index++; | |
183 | } | |
184 | ||
185 | #endif /* 0 */ | |
186 | \f | |
187 | /* Return the struct win32_display_info. */ | |
188 | ||
189 | struct win32_display_info * | |
190 | win32_display_info_for_display () | |
191 | { | |
192 | return (&one_win32_display_info); | |
193 | } | |
194 | ||
195 | void | |
196 | win32_fill_rect (f, _hdc, pix, lprect) | |
197 | FRAME_PTR f; | |
198 | HDC _hdc; | |
199 | COLORREF pix; | |
200 | RECT * lprect; | |
201 | { | |
202 | HDC hdc; | |
203 | HBRUSH hb; | |
ee78dc32 GV |
204 | RECT rect; |
205 | ||
206 | if (_hdc) | |
207 | hdc = _hdc; | |
208 | else | |
209 | { | |
210 | if (!f) return; | |
52cf03a1 | 211 | hdc = get_frame_dc (f); |
ee78dc32 GV |
212 | } |
213 | ||
214 | hb = CreateSolidBrush (pix); | |
ee78dc32 | 215 | FillRect (hdc, lprect, hb); |
ee78dc32 GV |
216 | DeleteObject (hb); |
217 | ||
218 | if (!_hdc) | |
52cf03a1 | 219 | release_frame_dc (f, hdc); |
ee78dc32 GV |
220 | } |
221 | ||
222 | void | |
223 | win32_clear_window (f) | |
224 | FRAME_PTR f; | |
225 | { | |
226 | RECT rect; | |
52cf03a1 | 227 | |
ee78dc32 GV |
228 | GetClientRect (FRAME_WIN32_WINDOW (f), &rect); |
229 | win32_clear_rect (f, NULL, &rect); | |
230 | } | |
231 | ||
232 | \f | |
233 | /* Starting and ending updates. | |
234 | ||
235 | These hooks are called by update_frame at the beginning and end | |
236 | of a frame update. We record in `updating_frame' the identity | |
237 | of the frame being updated, so that the win32_... functions do not | |
238 | need to take a frame as argument. Most of the win32_... functions | |
239 | should never be called except during an update, the only exceptions | |
240 | being win32_cursor_to, win32_write_glyphs and win32_reassert_line_highlight. */ | |
241 | ||
242 | static | |
243 | win32_update_begin (f) | |
244 | struct frame *f; | |
245 | { | |
246 | if (f == 0) | |
247 | abort (); | |
248 | ||
249 | flexlines = f->height; | |
250 | highlight = 0; | |
251 | ||
252 | BLOCK_INPUT; | |
253 | ||
52cf03a1 GV |
254 | /* Regenerate display palette before drawing if list of requested |
255 | colors has changed. */ | |
256 | if (FRAME_WIN32_DISPLAY_INFO (f)->regen_palette) | |
257 | { | |
258 | win32_regenerate_palette (f); | |
259 | FRAME_WIN32_DISPLAY_INFO (f)->regen_palette = FALSE; | |
260 | } | |
261 | ||
ee78dc32 GV |
262 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
263 | { | |
264 | /* Don't do highlighting for mouse motion during the update. */ | |
265 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer = 1; | |
266 | ||
267 | /* If the frame needs to be redrawn, | |
268 | simply forget about any prior mouse highlighting. */ | |
269 | if (FRAME_GARBAGED_P (f)) | |
270 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = Qnil; | |
271 | ||
272 | if (!NILP (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window)) | |
273 | { | |
274 | int firstline, lastline, i; | |
275 | struct window *w = XWINDOW (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window); | |
276 | ||
277 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
278 | for (firstline = 0; firstline < f->height; firstline++) | |
279 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
280 | break; | |
281 | ||
282 | lastline = f->height; | |
283 | for (i = f->height - 1; i >= 0; i--) | |
284 | { | |
285 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
286 | break; | |
287 | else | |
288 | lastline = i; | |
289 | } | |
290 | ||
291 | /* Can we tell that this update does not affect the window | |
292 | where the mouse highlight is? If so, no need to turn off. | |
293 | Likewise, don't do anything if the frame is garbaged; | |
294 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
295 | are all wrong, and we will redisplay that line anyway. */ | |
296 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
297 | || lastline < XFASTINT (w->top))) | |
298 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
299 | } | |
300 | } | |
301 | ||
302 | UNBLOCK_INPUT; | |
303 | } | |
304 | ||
305 | static | |
306 | win32_update_end (f) | |
307 | struct frame *f; | |
308 | { | |
309 | BLOCK_INPUT; | |
310 | ||
311 | do_line_dance (); | |
312 | x_display_cursor (f, 1); | |
313 | ||
314 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
315 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
316 | ||
317 | UNBLOCK_INPUT; | |
318 | } | |
319 | ||
320 | /* This is called after a redisplay on frame F. */ | |
321 | ||
322 | static | |
323 | win32_frame_up_to_date (f) | |
324 | FRAME_PTR f; | |
325 | { | |
326 | if (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc | |
327 | || f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
328 | { | |
329 | note_mouse_highlight (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame, | |
330 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
331 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
332 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
333 | } | |
334 | } | |
335 | \f | |
336 | /* External interface to control of standout mode. | |
337 | Call this when about to modify line at position VPOS | |
338 | and not change whether it is highlighted. */ | |
339 | ||
340 | win32_reassert_line_highlight (new, vpos) | |
341 | int new, vpos; | |
342 | { | |
343 | highlight = new; | |
344 | } | |
345 | ||
346 | /* Call this when about to modify line at position VPOS | |
347 | and change whether it is highlighted. */ | |
348 | ||
349 | static | |
350 | win32_change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
351 | int new_highlight, vpos, first_unused_hpos; | |
352 | { | |
353 | highlight = new_highlight; | |
354 | win32_cursor_to (vpos, 0); | |
355 | win32_clear_end_of_line (updating_frame->width); | |
356 | } | |
357 | ||
358 | /* This is used when starting Emacs and when restarting after suspend. | |
359 | When starting Emacs, no window is mapped. And nothing must be done | |
360 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
361 | ||
362 | static | |
363 | win32_set_terminal_modes () | |
364 | { | |
365 | } | |
366 | ||
367 | /* This is called when exiting or suspending Emacs. | |
368 | Exiting will make the Win32 windows go away, and suspending | |
369 | requires no action. */ | |
370 | ||
371 | static | |
372 | win32_reset_terminal_modes () | |
373 | { | |
374 | } | |
375 | \f | |
376 | /* Set the nominal cursor position of the frame. | |
377 | This is where display update commands will take effect. | |
378 | This does not affect the place where the cursor-box is displayed. */ | |
379 | ||
380 | static int | |
381 | win32_cursor_to (row, col) | |
382 | register int row, col; | |
383 | { | |
384 | int orow = row; | |
385 | ||
386 | curs_x = col; | |
387 | curs_y = row; | |
388 | ||
389 | if (updating_frame == 0) | |
390 | { | |
391 | BLOCK_INPUT; | |
392 | x_display_cursor (selected_frame, 1); | |
393 | UNBLOCK_INPUT; | |
394 | } | |
395 | } | |
396 | \f | |
397 | /* Display a sequence of N glyphs found at GP. | |
398 | WINDOW is the window to output to. LEFT and TOP are starting coords. | |
399 | HL is 1 if this text is highlighted, 2 if the cursor is on it, | |
400 | 3 if should appear in its mouse-face. | |
401 | JUST_FOREGROUND if 1 means draw only the foreground; | |
402 | don't alter the background. | |
403 | ||
404 | FONT is the default font to use (for glyphs whose font-code is 0). | |
405 | ||
406 | Since the display generation code is responsible for calling | |
407 | compute_char_face and compute_glyph_face on everything it puts in | |
408 | the display structure, we can assume that the face code on each | |
409 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one | |
410 | to which we can actually apply intern_face. | |
411 | Call this function with input blocked. */ | |
412 | ||
413 | static void | |
414 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) | |
415 | struct frame *f; | |
416 | int left, top; | |
417 | register GLYPH *gp; /* Points to first GLYPH. */ | |
418 | register int n; /* Number of glyphs to display. */ | |
419 | int hl; | |
420 | int just_foreground; | |
421 | { | |
422 | /* Holds characters to be displayed. */ | |
423 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
424 | register char *cp; /* Steps through buf[]. */ | |
425 | register int tlen = GLYPH_TABLE_LENGTH; | |
426 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
427 | Window window = FRAME_WIN32_WINDOW (f); | |
428 | int orig_left = left; | |
429 | HDC hdc; | |
430 | ||
52cf03a1 | 431 | hdc = get_frame_dc (f); |
ee78dc32 GV |
432 | |
433 | while (n > 0) | |
434 | { | |
435 | /* Get the face-code of the next GLYPH. */ | |
436 | int cf, len; | |
437 | int g = *gp; | |
438 | ||
439 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
440 | cf = FAST_GLYPH_FACE (g); | |
441 | ||
442 | /* Find the run of consecutive glyphs with the same face-code. | |
443 | Extract their character codes into BUF. */ | |
444 | cp = buf; | |
445 | while (n > 0) | |
446 | { | |
447 | g = *gp; | |
448 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
449 | if (FAST_GLYPH_FACE (g) != cf) | |
450 | break; | |
451 | ||
452 | *cp++ = FAST_GLYPH_CHAR (g); | |
453 | --n; | |
454 | ++gp; | |
455 | } | |
456 | ||
457 | /* LEN gets the length of the run. */ | |
458 | len = cp - buf; | |
459 | ||
460 | /* Now output this run of chars, with the font and pixel values | |
461 | determined by the face code CF. */ | |
462 | { | |
463 | struct face *face = FRAME_DEFAULT_FACE (f); | |
464 | XFontStruct *font = FACE_FONT (face); | |
465 | int stippled = 0; | |
466 | COLORREF fg; | |
467 | COLORREF bg; | |
468 | ||
469 | /* HL = 3 means use a mouse face previously chosen. */ | |
470 | if (hl == 3) | |
471 | cf = FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id; | |
472 | ||
473 | /* First look at the face of the text itself. */ | |
474 | if (cf != 0) | |
475 | { | |
476 | /* It's possible for the display table to specify | |
477 | a face code that is out of range. Use 0 in that case. */ | |
478 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) | |
479 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
480 | cf = 0; | |
481 | ||
482 | if (cf == 1) | |
483 | face = FRAME_MODE_LINE_FACE (f); | |
484 | else | |
485 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); | |
486 | font = FACE_FONT (face); | |
487 | if (FACE_STIPPLE (face)) | |
488 | stippled = 1; | |
489 | } | |
490 | ||
491 | /* Then comes the distinction between modeline and normal text. */ | |
492 | else if (hl == 0) | |
493 | ; | |
494 | else if (hl == 1) | |
495 | { | |
496 | face = FRAME_MODE_LINE_FACE (f); | |
497 | font = FACE_FONT (face); | |
498 | if (FACE_STIPPLE (face)) | |
499 | stippled = 1; | |
500 | } | |
501 | ||
502 | fg = face->foreground; | |
503 | bg = face->background; | |
504 | ||
505 | /* Now override that if the cursor's on this character. */ | |
506 | if (hl == 2) | |
507 | { | |
508 | /* The cursor overrides stippling. */ | |
509 | stippled = 0; | |
510 | ||
511 | if ((!face->font | |
512 | || face->font == (XFontStruct *) FACE_DEFAULT | |
513 | || face->font == f->output_data.win32->font) | |
514 | && face->background == f->output_data.win32->background_pixel | |
515 | && face->foreground == f->output_data.win32->foreground_pixel) | |
516 | { | |
517 | bg = f->output_data.win32->cursor_pixel; | |
518 | fg = face->background; | |
519 | } | |
520 | /* Cursor on non-default face: must merge. */ | |
521 | else | |
522 | { | |
523 | bg = f->output_data.win32->cursor_pixel; | |
524 | fg = face->background; | |
525 | /* If the glyph would be invisible, | |
526 | try a different foreground. */ | |
527 | if (fg == bg) | |
528 | fg = face->foreground; | |
529 | if (fg == bg) | |
530 | fg = f->output_data.win32->cursor_foreground_pixel; | |
531 | if (fg == bg) | |
532 | fg = face->foreground; | |
533 | /* Make sure the cursor is distinct from text in this face. */ | |
534 | if (bg == face->background | |
535 | && fg == face->foreground) | |
536 | { | |
537 | bg = face->foreground; | |
538 | fg = face->background; | |
539 | } | |
540 | } | |
541 | } | |
542 | ||
543 | if (font == (XFontStruct *) FACE_DEFAULT) | |
544 | font = f->output_data.win32->font; | |
545 | ||
546 | SetBkMode (hdc, just_foreground ? TRANSPARENT : OPAQUE); | |
547 | ||
548 | SetTextColor (hdc, fg); | |
549 | SetBkColor (hdc, bg); | |
550 | ||
551 | SelectObject (hdc, font->hfont); | |
552 | ||
553 | TextOut (hdc, left, top, buf, len); | |
554 | ||
555 | if (!just_foreground) | |
556 | { | |
557 | /* Clear the rest of the line's height. */ | |
558 | if (f->output_data.win32->line_height != FONT_HEIGHT (font)) | |
559 | win32_fill_area (f, hdc, bg, | |
560 | left, | |
561 | top + FONT_HEIGHT (font), | |
562 | FONT_WIDTH (font) * len, | |
563 | f->output_data.win32->line_height - FONT_HEIGHT (font)); | |
564 | } | |
565 | ||
566 | { | |
567 | int underline_position = 1; | |
568 | ||
569 | if (font->tm.tmDescent <= underline_position) | |
570 | underline_position = font->tm.tmDescent - 1; | |
571 | ||
572 | if (face->underline) | |
573 | win32_fill_area (f, hdc, fg, | |
574 | left, (top | |
575 | + FONT_BASE (font) | |
576 | + underline_position), | |
577 | len * FONT_WIDTH (font), 1); | |
578 | } | |
579 | ||
580 | left += len * FONT_WIDTH (font); | |
581 | } | |
582 | } | |
583 | ||
52cf03a1 | 584 | release_frame_dc (f, hdc); |
ee78dc32 GV |
585 | } |
586 | ||
587 | \f | |
588 | /* Output some text at the nominal frame cursor position. | |
589 | Advance the cursor over the text. | |
590 | Output LEN glyphs at START. | |
591 | ||
592 | `highlight', set up by win32_reassert_line_highlight or win32_change_line_highlight, | |
593 | controls the pixel values used for foreground and background. */ | |
594 | ||
595 | static | |
596 | win32_write_glyphs (start, len) | |
597 | register GLYPH *start; | |
598 | int len; | |
599 | { | |
600 | register int temp_length; | |
601 | struct frame *f; | |
602 | ||
603 | BLOCK_INPUT; | |
604 | ||
605 | do_line_dance (); | |
606 | f = updating_frame; | |
607 | if (f == 0) | |
608 | { | |
609 | f = selected_frame; | |
610 | /* If not within an update, | |
611 | output at the frame's visible cursor. */ | |
612 | curs_x = f->cursor_x; | |
613 | curs_y = f->cursor_y; | |
614 | } | |
615 | ||
616 | dumpglyphs (f, | |
617 | CHAR_TO_PIXEL_COL (f, curs_x), | |
618 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
619 | start, len, highlight, 0); | |
620 | ||
621 | /* If we drew on top of the cursor, note that it is turned off. */ | |
622 | if (curs_y == f->phys_cursor_y | |
623 | && curs_x <= f->phys_cursor_x | |
624 | && curs_x + len > f->phys_cursor_x) | |
625 | f->phys_cursor_x = -1; | |
626 | ||
627 | if (updating_frame == 0) | |
628 | { | |
629 | f->cursor_x += len; | |
630 | x_display_cursor (f, 1); | |
631 | f->cursor_x -= len; | |
632 | } | |
633 | else | |
634 | curs_x += len; | |
635 | ||
636 | UNBLOCK_INPUT; | |
637 | } | |
638 | \f | |
639 | /* Clear to the end of the line. | |
640 | Erase the current text line from the nominal cursor position (inclusive) | |
641 | to column FIRST_UNUSED (exclusive). The idea is that everything | |
642 | from FIRST_UNUSED onward is already erased. */ | |
643 | ||
644 | static | |
645 | win32_clear_end_of_line (first_unused) | |
646 | register int first_unused; | |
647 | { | |
648 | struct frame *f = updating_frame; | |
649 | ||
650 | if (f == 0) | |
651 | abort (); | |
652 | ||
653 | if (curs_y < 0 || curs_y >= f->height) | |
654 | return 1; | |
655 | if (first_unused <= 0) | |
656 | return 1; | |
657 | ||
658 | if (first_unused >= f->width) | |
659 | first_unused = f->width; | |
660 | ||
661 | BLOCK_INPUT; | |
662 | ||
663 | do_line_dance (); | |
664 | ||
665 | /* Notice if the cursor will be cleared by this operation. */ | |
666 | if (curs_y == f->phys_cursor_y | |
667 | && curs_x <= f->phys_cursor_x | |
668 | && f->phys_cursor_x < first_unused) | |
669 | f->phys_cursor_x = -1; | |
670 | ||
671 | win32_clear_area (f, NULL, | |
672 | CHAR_TO_PIXEL_COL (f, curs_x), | |
673 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
674 | FONT_WIDTH (f->output_data.win32->font) * (first_unused - curs_x), | |
675 | f->output_data.win32->line_height); | |
676 | ||
677 | UNBLOCK_INPUT; | |
678 | } | |
679 | ||
680 | static | |
681 | win32_clear_frame () | |
682 | { | |
683 | struct frame *f = updating_frame; | |
684 | ||
685 | if (f == 0) | |
686 | f = selected_frame; | |
687 | ||
688 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
689 | curs_x = 0; /* Nominal cursor position is top left. */ | |
690 | curs_y = 0; | |
691 | ||
692 | BLOCK_INPUT; | |
693 | ||
694 | win32_clear_window (f); | |
695 | ||
696 | /* We have to clear the scroll bars, too. If we have changed | |
697 | colors or something like that, then they should be notified. */ | |
698 | x_scroll_bar_clear (f); | |
699 | ||
700 | UNBLOCK_INPUT; | |
701 | } | |
702 | \f | |
703 | /* Make audible bell. */ | |
704 | ||
705 | win32_ring_bell () | |
706 | { | |
707 | BLOCK_INPUT; | |
708 | ||
709 | if (visible_bell) | |
710 | FlashWindow (FRAME_WIN32_WINDOW (selected_frame), FALSE); | |
711 | else | |
712 | nt_ring_bell (); | |
713 | ||
714 | UNBLOCK_INPUT; | |
715 | ||
716 | return 1; | |
717 | } | |
718 | \f | |
719 | /* Insert and delete character. | |
720 | These are not supposed to be used because we are supposed to turn | |
721 | off the feature of using them. */ | |
722 | ||
723 | static | |
724 | win32_insert_glyphs (start, len) | |
725 | register char *start; | |
726 | register int len; | |
727 | { | |
728 | abort (); | |
729 | } | |
730 | ||
731 | static | |
732 | win32_delete_glyphs (n) | |
733 | register int n; | |
734 | { | |
735 | abort (); | |
736 | } | |
737 | \f | |
738 | /* Specify how many text lines, from the top of the window, | |
739 | should be affected by insert-lines and delete-lines operations. | |
740 | This, and those operations, are used only within an update | |
741 | that is bounded by calls to win32_update_begin and win32_update_end. */ | |
742 | ||
743 | static | |
744 | win32_set_terminal_window (n) | |
745 | register int n; | |
746 | { | |
747 | if (updating_frame == 0) | |
748 | abort (); | |
749 | ||
750 | if ((n <= 0) || (n > updating_frame->height)) | |
751 | flexlines = updating_frame->height; | |
752 | else | |
753 | flexlines = n; | |
754 | } | |
755 | \f | |
756 | /* These variables need not be per frame | |
757 | because redisplay is done on a frame-by-frame basis | |
758 | and the line dance for one frame is finished before | |
759 | anything is done for another frame. */ | |
760 | ||
761 | /* Array of line numbers from cached insert/delete operations. | |
762 | line_dance[i] is the old position of the line that we want | |
763 | to move to line i, or -1 if we want a blank line there. */ | |
764 | static int *line_dance; | |
765 | ||
766 | /* Allocated length of that array. */ | |
767 | static int line_dance_len; | |
768 | ||
769 | /* Flag indicating whether we've done any work. */ | |
770 | static int line_dance_in_progress; | |
771 | ||
772 | /* Perform an insert-lines or delete-lines operation, | |
773 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
774 | win32_ins_del_lines (vpos, n) | |
775 | int vpos, n; | |
776 | { | |
777 | register int fence, i; | |
778 | ||
779 | if (vpos >= flexlines) | |
780 | return 1; | |
781 | ||
782 | if (!line_dance_in_progress) | |
783 | { | |
784 | int ht = updating_frame->height; | |
785 | if (ht > line_dance_len) | |
786 | { | |
787 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
788 | line_dance_len = ht; | |
789 | } | |
790 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
791 | line_dance_in_progress = 1; | |
792 | } | |
793 | if (n >= 0) | |
794 | { | |
795 | if (n > flexlines - vpos) | |
796 | n = flexlines - vpos; | |
797 | fence = vpos + n; | |
798 | for (i = flexlines; --i >= fence;) | |
799 | line_dance[i] = line_dance[i-n]; | |
800 | for (i = fence; --i >= vpos;) | |
801 | line_dance[i] = -1; | |
802 | } | |
803 | else | |
804 | { | |
805 | n = -n; | |
806 | if (n > flexlines - vpos) | |
807 | n = flexlines - vpos; | |
808 | fence = flexlines - n; | |
809 | for (i = vpos; i < fence; ++i) | |
810 | line_dance[i] = line_dance[i + n]; | |
811 | for (i = fence; i < flexlines; ++i) | |
812 | line_dance[i] = -1; | |
813 | } | |
814 | } | |
815 | ||
816 | /* Here's where we actually move the pixels around. | |
817 | Must be called with input blocked. */ | |
818 | static void | |
819 | do_line_dance () | |
820 | { | |
821 | register int i, j, distance; | |
822 | register struct frame *f; | |
823 | int ht; | |
824 | int intborder; | |
825 | HDC hdc; | |
826 | ||
827 | /* Must check this flag first. If it's not set, then not only is the | |
828 | array uninitialized, but we might not even have a frame. */ | |
829 | if (!line_dance_in_progress) | |
830 | return; | |
831 | ||
832 | f = updating_frame; | |
833 | if (f == 0) | |
834 | abort (); | |
835 | ||
836 | ht = f->height; | |
837 | intborder = f->output_data.win32->internal_border_width; | |
838 | ||
839 | x_display_cursor (updating_frame, 0); | |
840 | ||
52cf03a1 | 841 | hdc = get_frame_dc (f); |
ee78dc32 GV |
842 | |
843 | for (i = 0; i < ht; ++i) | |
844 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
845 | { | |
846 | for (j = i; (j < ht && line_dance[j] != -1 | |
847 | && line_dance[j]-j == distance); ++j); | |
848 | /* Copy [i,j) upward from [i+distance, j+distance) */ | |
849 | BitBlt (hdc, | |
850 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
851 | f->width * FONT_WIDTH (f->output_data.win32->font), | |
852 | (j-i) * f->output_data.win32->line_height, | |
853 | hdc, | |
854 | intborder, CHAR_TO_PIXEL_ROW (f, i), | |
855 | SRCCOPY); | |
856 | i = j-1; | |
857 | } | |
858 | ||
859 | for (i = ht; --i >=0; ) | |
860 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
861 | { | |
862 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
863 | && line_dance[j]-j == distance);); | |
864 | /* Copy (j, i] downward from (j+distance, i+distance] */ | |
865 | BitBlt (hdc, | |
866 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
867 | f->width * FONT_WIDTH (f->output_data.win32->font), | |
868 | (i-j) * f->output_data.win32->line_height, | |
869 | hdc, | |
870 | intborder, CHAR_TO_PIXEL_ROW (f, j+1), | |
871 | SRCCOPY); | |
872 | i = j+1; | |
873 | } | |
874 | ||
52cf03a1 | 875 | release_frame_dc (f, hdc); |
ee78dc32 GV |
876 | |
877 | for (i = 0; i < ht; ++i) | |
878 | if (line_dance[i] == -1) | |
879 | { | |
880 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
881 | /* Clear [i,j) */ | |
882 | win32_clear_area (f, NULL, | |
883 | intborder, | |
884 | CHAR_TO_PIXEL_ROW (f, i), | |
885 | f->width * FONT_WIDTH (f->output_data.win32->font), | |
886 | (j-i) * f->output_data.win32->line_height); | |
887 | i = j-1; | |
888 | } | |
889 | line_dance_in_progress = 0; | |
890 | } | |
891 | \f | |
892 | /* Support routines for exposure events. */ | |
893 | static void clear_cursor (); | |
894 | ||
895 | /* Output into a rectangle of a window (for frame F) | |
896 | the characters in f->phys_lines that overlap that rectangle. | |
897 | TOP and LEFT are the position of the upper left corner of the rectangle. | |
898 | ROWS and COLS are the size of the rectangle. | |
899 | Call this function with input blocked. */ | |
900 | ||
901 | void | |
902 | dumprectangle (f, left, top, cols, rows) | |
903 | struct frame *f; | |
904 | register int left, top, cols, rows; | |
905 | { | |
906 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); | |
907 | int cursor_cleared = 0; | |
908 | int bottom, right; | |
909 | register int y; | |
910 | ||
911 | if (FRAME_GARBAGED_P (f)) | |
912 | return; | |
913 | ||
914 | /* Express rectangle as four edges, instead of position-and-size. */ | |
915 | bottom = top + rows; | |
916 | right = left + cols; | |
917 | ||
918 | /* Convert rectangle edges in pixels to edges in chars. | |
919 | Round down for left and top, up for right and bottom. */ | |
920 | top = PIXEL_TO_CHAR_ROW (f, top); | |
921 | left = PIXEL_TO_CHAR_COL (f, left); | |
922 | bottom += (f->output_data.win32->line_height - 1); | |
923 | right += (FONT_WIDTH (f->output_data.win32->font) - 1); | |
924 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); | |
925 | right = PIXEL_TO_CHAR_COL (f, right); | |
926 | ||
927 | /* Clip the rectangle to what can be visible. */ | |
928 | if (left < 0) | |
929 | left = 0; | |
930 | if (top < 0) | |
931 | top = 0; | |
932 | if (right > f->width) | |
933 | right = f->width; | |
934 | if (bottom > f->height) | |
935 | bottom = f->height; | |
936 | ||
937 | /* Get size in chars of the rectangle. */ | |
938 | cols = right - left; | |
939 | rows = bottom - top; | |
940 | ||
941 | /* If rectangle has zero area, return. */ | |
942 | if (rows <= 0) return; | |
943 | if (cols <= 0) return; | |
944 | ||
945 | /* Turn off the cursor if it is in the rectangle. | |
946 | We will turn it back on afterward. */ | |
947 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) | |
948 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
949 | { | |
950 | clear_cursor (f); | |
951 | cursor_cleared = 1; | |
952 | } | |
953 | ||
954 | /* Display the text in the rectangle, one text line at a time. */ | |
955 | ||
956 | for (y = top; y < bottom; y++) | |
957 | { | |
958 | GLYPH *line = &active_frame->glyphs[y][left]; | |
959 | ||
960 | if (! active_frame->enable[y] || left > active_frame->used[y]) | |
961 | continue; | |
962 | ||
963 | dumpglyphs (f, | |
964 | CHAR_TO_PIXEL_COL (f, left), | |
965 | CHAR_TO_PIXEL_ROW (f, y), | |
966 | line, min (cols, active_frame->used[y] - left), | |
967 | active_frame->highlight[y], 0); | |
968 | } | |
969 | ||
970 | /* Turn the cursor on if we turned it off. */ | |
971 | ||
972 | if (cursor_cleared) | |
973 | x_display_cursor (f, 1); | |
974 | } | |
975 | \f | |
976 | static void | |
977 | frame_highlight (f) | |
978 | struct frame *f; | |
979 | { | |
980 | x_display_cursor (f, 1); | |
981 | } | |
982 | ||
983 | static void | |
984 | frame_unhighlight (f) | |
985 | struct frame *f; | |
986 | { | |
987 | x_display_cursor (f, 1); | |
988 | } | |
989 | ||
990 | static void win32_frame_rehighlight (); | |
991 | static void x_frame_rehighlight (); | |
992 | ||
993 | /* The focus has changed. Update the frames as necessary to reflect | |
994 | the new situation. Note that we can't change the selected frame | |
995 | here, because the Lisp code we are interrupting might become confused. | |
996 | Each event gets marked with the frame in which it occurred, so the | |
997 | Lisp code can tell when the switch took place by examining the events. */ | |
998 | ||
999 | void | |
1000 | x_new_focus_frame (dpyinfo, frame) | |
1001 | struct win32_display_info *dpyinfo; | |
1002 | struct frame *frame; | |
1003 | { | |
1004 | struct frame *old_focus = dpyinfo->win32_focus_frame; | |
1005 | int events_enqueued = 0; | |
1006 | ||
1007 | if (frame != dpyinfo->win32_focus_frame) | |
1008 | { | |
1009 | /* Set this before calling other routines, so that they see | |
1010 | the correct value of win32_focus_frame. */ | |
1011 | dpyinfo->win32_focus_frame = frame; | |
1012 | ||
1013 | if (old_focus && old_focus->auto_lower) | |
1014 | x_lower_frame (old_focus); | |
1015 | ||
1016 | if (dpyinfo->win32_focus_frame && dpyinfo->win32_focus_frame->auto_raise) | |
1017 | pending_autoraise_frame = dpyinfo->win32_focus_frame; | |
1018 | else | |
1019 | pending_autoraise_frame = 0; | |
1020 | } | |
1021 | ||
1022 | x_frame_rehighlight (dpyinfo); | |
1023 | } | |
1024 | ||
1025 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
1026 | ||
1027 | void | |
1028 | x_mouse_leave (dpyinfo) | |
1029 | struct win32_display_info *dpyinfo; | |
1030 | { | |
1031 | x_new_focus_frame (dpyinfo, dpyinfo->win32_focus_event_frame); | |
1032 | } | |
1033 | ||
1034 | /* The focus has changed, or we have redirected a frame's focus to | |
1035 | another frame (this happens when a frame uses a surrogate | |
1036 | minibuffer frame). Shift the highlight as appropriate. | |
1037 | ||
1038 | The FRAME argument doesn't necessarily have anything to do with which | |
1039 | frame is being highlighted or unhighlighted; we only use it to find | |
1040 | the appropriate display info. */ | |
1041 | static void | |
1042 | win32_frame_rehighlight (frame) | |
1043 | struct frame *frame; | |
1044 | { | |
1045 | x_frame_rehighlight (FRAME_WIN32_DISPLAY_INFO (frame)); | |
1046 | } | |
1047 | ||
1048 | static void | |
1049 | x_frame_rehighlight (dpyinfo) | |
1050 | struct win32_display_info *dpyinfo; | |
1051 | { | |
1052 | struct frame *old_highlight = dpyinfo->win32_highlight_frame; | |
1053 | ||
1054 | if (dpyinfo->win32_focus_frame) | |
1055 | { | |
1056 | dpyinfo->win32_highlight_frame | |
1057 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame))) | |
1058 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame)) | |
1059 | : dpyinfo->win32_focus_frame); | |
1060 | if (! FRAME_LIVE_P (dpyinfo->win32_highlight_frame)) | |
1061 | { | |
1062 | FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame) = Qnil; | |
1063 | dpyinfo->win32_highlight_frame = dpyinfo->win32_focus_frame; | |
1064 | } | |
1065 | } | |
1066 | else | |
1067 | dpyinfo->win32_highlight_frame = 0; | |
1068 | ||
1069 | if (dpyinfo->win32_highlight_frame != old_highlight) | |
1070 | { | |
1071 | if (old_highlight) | |
1072 | frame_unhighlight (old_highlight); | |
1073 | if (dpyinfo->win32_highlight_frame) | |
1074 | frame_highlight (dpyinfo->win32_highlight_frame); | |
1075 | } | |
1076 | } | |
1077 | \f | |
1078 | /* Keyboard processing - modifier keys, etc. */ | |
1079 | ||
1080 | /* Convert a keysym to its name. */ | |
1081 | ||
1082 | char * | |
1083 | x_get_keysym_name (keysym) | |
1084 | int keysym; | |
1085 | { | |
1086 | /* Make static so we can always return it */ | |
1087 | static char value[100]; | |
1088 | ||
1089 | BLOCK_INPUT; | |
1090 | GetKeyNameText(keysym, value, 100); | |
1091 | UNBLOCK_INPUT; | |
1092 | ||
1093 | return value; | |
1094 | } | |
1095 | \f | |
1096 | /* Mouse clicks and mouse movement. Rah. */ | |
1097 | ||
1098 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1099 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
1100 | that the glyph at X, Y occupies, if BOUNDS != 0. | |
1101 | If NOCLIP is nonzero, do not force the value into range. */ | |
1102 | ||
1103 | void | |
1104 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1105 | FRAME_PTR f; | |
1106 | register int pix_x, pix_y; | |
1107 | register int *x, *y; | |
1108 | RECT *bounds; | |
1109 | int noclip; | |
1110 | { | |
52cf03a1 GV |
1111 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1112 | if (NILP (Vwindow_system)) | |
1113 | { | |
1114 | *x = pix_x; | |
1115 | *y = pix_y; | |
1116 | return; | |
1117 | } | |
1118 | ||
ee78dc32 GV |
1119 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1120 | even for negative values. */ | |
1121 | if (pix_x < 0) | |
1122 | pix_x -= FONT_WIDTH ((f)->output_data.win32->font) - 1; | |
1123 | if (pix_y < 0) | |
1124 | pix_y -= (f)->output_data.win32->line_height - 1; | |
1125 | ||
1126 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
1127 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1128 | ||
1129 | if (bounds) | |
1130 | { | |
1131 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
1132 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1133 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.win32->font) - 1; | |
1134 | bounds->bottom = bounds->top + f->output_data.win32->line_height - 1; | |
1135 | } | |
1136 | ||
1137 | if (!noclip) | |
1138 | { | |
1139 | if (pix_x < 0) | |
1140 | pix_x = 0; | |
1141 | else if (pix_x > f->width) | |
1142 | pix_x = f->width; | |
1143 | ||
1144 | if (pix_y < 0) | |
1145 | pix_y = 0; | |
1146 | else if (pix_y > f->height) | |
1147 | pix_y = f->height; | |
1148 | } | |
1149 | ||
1150 | *x = pix_x; | |
1151 | *y = pix_y; | |
1152 | } | |
1153 | ||
1154 | void | |
1155 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1156 | FRAME_PTR f; | |
1157 | register int x, y; | |
1158 | register int *pix_x, *pix_y; | |
1159 | { | |
52cf03a1 GV |
1160 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1161 | if (NILP (Vwindow_system)) | |
1162 | { | |
1163 | *pix_x = x; | |
1164 | *pix_y = y; | |
1165 | return; | |
1166 | } | |
1167 | ||
ee78dc32 GV |
1168 | *pix_x = CHAR_TO_PIXEL_COL (f, x); |
1169 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1170 | } | |
1171 | ||
1172 | BOOL | |
1173 | parse_button (message, pbutton, pup) | |
1174 | int message; | |
1175 | int * pbutton; | |
1176 | int * pup; | |
1177 | { | |
1178 | int button = 0; | |
1179 | int up = 0; | |
1180 | ||
1181 | switch (message) | |
1182 | { | |
1183 | case WM_LBUTTONDOWN: | |
1184 | button = 0; | |
1185 | up = 0; | |
1186 | break; | |
1187 | case WM_LBUTTONUP: | |
1188 | button = 0; | |
1189 | up = 1; | |
1190 | break; | |
1191 | case WM_MBUTTONDOWN: | |
52cf03a1 GV |
1192 | if (NILP (Vwin32_swap_mouse_buttons)) |
1193 | button = 1; | |
1194 | else | |
1195 | button = 2; | |
ee78dc32 GV |
1196 | up = 0; |
1197 | break; | |
1198 | case WM_MBUTTONUP: | |
52cf03a1 GV |
1199 | if (NILP (Vwin32_swap_mouse_buttons)) |
1200 | button = 1; | |
1201 | else | |
1202 | button = 2; | |
ee78dc32 GV |
1203 | up = 1; |
1204 | break; | |
1205 | case WM_RBUTTONDOWN: | |
52cf03a1 GV |
1206 | if (NILP (Vwin32_swap_mouse_buttons)) |
1207 | button = 2; | |
1208 | else | |
1209 | button = 1; | |
ee78dc32 GV |
1210 | up = 0; |
1211 | break; | |
1212 | case WM_RBUTTONUP: | |
52cf03a1 GV |
1213 | if (NILP (Vwin32_swap_mouse_buttons)) |
1214 | button = 2; | |
1215 | else | |
1216 | button = 1; | |
ee78dc32 GV |
1217 | up = 1; |
1218 | break; | |
1219 | default: | |
1220 | return (FALSE); | |
1221 | } | |
1222 | ||
1223 | if (pup) *pup = up; | |
1224 | if (pbutton) *pbutton = button; | |
1225 | ||
1226 | return (TRUE); | |
1227 | } | |
1228 | ||
1229 | ||
1230 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
1231 | ||
1232 | If the event is a button press, then note that we have grabbed | |
1233 | the mouse. */ | |
1234 | ||
1235 | static void | |
1236 | construct_mouse_click (result, msg, f) | |
1237 | struct input_event *result; | |
1238 | Win32Msg *msg; | |
1239 | struct frame *f; | |
1240 | { | |
1241 | int button; | |
1242 | int up; | |
1243 | ||
1244 | parse_button (msg->msg.message, &button, &up); | |
1245 | ||
1246 | /* Make the event type no_event; we'll change that when we decide | |
1247 | otherwise. */ | |
1248 | result->kind = mouse_click; | |
1249 | result->code = button; | |
1250 | result->timestamp = msg->msg.time; | |
1251 | result->modifiers = (msg->dwModifiers | |
1252 | | (up | |
1253 | ? up_modifier | |
1254 | : down_modifier)); | |
1255 | ||
1256 | { | |
1257 | int row, column; | |
1258 | ||
1259 | XSETINT (result->x, LOWORD (msg->msg.lParam)); | |
1260 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
1261 | XSETFRAME (result->frame_or_window, f); | |
1262 | } | |
1263 | } | |
1264 | ||
1265 | \f | |
1266 | /* Function to report a mouse movement to the mainstream Emacs code. | |
1267 | The input handler calls this. | |
1268 | ||
1269 | We have received a mouse movement event, which is given in *event. | |
1270 | If the mouse is over a different glyph than it was last time, tell | |
1271 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1272 | another motion event, so we can check again the next time it moves. */ | |
1273 | ||
1274 | static void | |
1275 | note_mouse_movement (frame, msg) | |
1276 | FRAME_PTR frame; | |
1277 | MSG *msg; | |
1278 | { | |
1279 | last_mouse_movement_time = msg->time; | |
1280 | ||
1281 | if (msg->hwnd != FRAME_WIN32_WINDOW (frame)) | |
1282 | { | |
1283 | frame->mouse_moved = 1; | |
1284 | last_mouse_scroll_bar = Qnil; | |
1285 | ||
1286 | note_mouse_highlight (frame, -1, -1); | |
1287 | } | |
1288 | ||
1289 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
1290 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left | |
1291 | || LOWORD (msg->lParam) > last_mouse_glyph.right | |
9bf7b6aa | 1292 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
ee78dc32 GV |
1293 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
1294 | { | |
1295 | frame->mouse_moved = 1; | |
1296 | last_mouse_scroll_bar = Qnil; | |
1297 | ||
1298 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); | |
1299 | } | |
1300 | } | |
1301 | ||
1302 | /* This is used for debugging, to turn off note_mouse_highlight. */ | |
1303 | static int disable_mouse_highlight; | |
1304 | ||
1305 | /* Take proper action when the mouse has moved to position X, Y on frame F | |
1306 | as regards highlighting characters that have mouse-face properties. | |
1307 | Also dehighlighting chars where the mouse was before. | |
1308 | X and Y can be negative or out of range. */ | |
1309 | ||
1310 | static void | |
1311 | note_mouse_highlight (f, x, y) | |
1312 | FRAME_PTR f; | |
1313 | int x, y; | |
1314 | { | |
1315 | int row, column, portion; | |
1316 | RECT new_glyph; | |
1317 | Lisp_Object window; | |
1318 | struct window *w; | |
1319 | ||
1320 | if (disable_mouse_highlight) | |
1321 | return; | |
1322 | ||
1323 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_x = x; | |
1324 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1325 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
1326 | ||
1327 | if (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer) | |
1328 | return; | |
1329 | ||
1330 | if (gc_in_progress) | |
1331 | { | |
1332 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; | |
1333 | return; | |
1334 | } | |
1335 | ||
1336 | /* Find out which glyph the mouse is on. */ | |
1337 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
1338 | &new_glyph, FRAME_WIN32_DISPLAY_INFO (f)->grabbed); | |
1339 | ||
1340 | /* Which window is that in? */ | |
1341 | window = window_from_coordinates (f, column, row, &portion); | |
1342 | w = XWINDOW (window); | |
1343 | ||
1344 | /* If we were displaying active text in another window, clear that. */ | |
1345 | if (! EQ (window, FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window)) | |
1346 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
1347 | ||
1348 | /* Are we in a window whose display is up to date? | |
1349 | And verify the buffer's text has not changed. */ | |
1350 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 | |
1351 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
1352 | && EQ (w->window_end_valid, w->buffer) | |
bade65fd RS |
1353 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer)) |
1354 | && w->last_overlay_modified == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))) | |
ee78dc32 GV |
1355 | { |
1356 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1357 | int i, pos; | |
1358 | ||
1359 | /* Find which buffer position the mouse corresponds to. */ | |
1360 | for (i = column; i >= 0; i--) | |
1361 | if (ptr[i] > 0) | |
1362 | break; | |
1363 | pos = ptr[i]; | |
1364 | /* Is it outside the displayed active region (if any)? */ | |
1365 | if (pos <= 0) | |
1366 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
1367 | else if (! (EQ (window, FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window) | |
1368 | && row >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
1369 | && row <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
1370 | && (row > FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
1371 | || column >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1372 | && (row < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
1373 | || column < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col | |
1374 | || FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end))) | |
1375 | { | |
1376 | Lisp_Object mouse_face, overlay, position; | |
1377 | Lisp_Object *overlay_vec; | |
1378 | int len, noverlays, ignor1; | |
1379 | struct buffer *obuf; | |
1380 | int obegv, ozv; | |
1381 | ||
1382 | /* If we get an out-of-range value, return now; avoid an error. */ | |
1383 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
1384 | return; | |
1385 | ||
1386 | /* Make the window's buffer temporarily current for | |
1387 | overlays_at and compute_char_face. */ | |
1388 | obuf = current_buffer; | |
1389 | current_buffer = XBUFFER (w->buffer); | |
1390 | obegv = BEGV; | |
1391 | ozv = ZV; | |
1392 | BEGV = BEG; | |
1393 | ZV = Z; | |
1394 | ||
1395 | /* Yes. Clear the display of the old active region, if any. */ | |
1396 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
1397 | ||
1398 | /* Is this char mouse-active? */ | |
1399 | XSETINT (position, pos); | |
1400 | ||
1401 | len = 10; | |
1402 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1403 | ||
1404 | /* Put all the overlays we want in a vector in overlay_vec. | |
1405 | Store the length in len. */ | |
1406 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, | |
1407 | NULL, NULL); | |
1408 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
1409 | ||
1410 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1411 | overlay = Qnil; | |
1412 | for (i = 0; i < noverlays; i++) | |
1413 | { | |
1414 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1415 | if (!NILP (mouse_face)) | |
1416 | { | |
1417 | overlay = overlay_vec[i]; | |
1418 | break; | |
1419 | } | |
1420 | } | |
1421 | free (overlay_vec); | |
1422 | /* If no overlay applies, get a text property. */ | |
1423 | if (NILP (overlay)) | |
1424 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1425 | ||
1426 | /* Handle the overlay case. */ | |
1427 | if (! NILP (overlay)) | |
1428 | { | |
1429 | /* Find the range of text around this char that | |
1430 | should be active. */ | |
1431 | Lisp_Object before, after; | |
1432 | int ignore; | |
1433 | ||
1434 | before = Foverlay_start (overlay); | |
1435 | after = Foverlay_end (overlay); | |
1436 | /* Record this as the current active region. */ | |
1437 | fast_find_position (window, before, | |
1438 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1439 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1440 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end | |
1441 | = !fast_find_position (window, after, | |
1442 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col, | |
1443 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row); | |
1444 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = window; | |
1445 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id | |
1446 | = compute_char_face (f, w, pos, 0, 0, | |
1447 | &ignore, pos + 1, 1); | |
1448 | ||
1449 | /* Display it as active. */ | |
1450 | show_mouse_face (FRAME_WIN32_DISPLAY_INFO (f), 1); | |
1451 | } | |
1452 | /* Handle the text property case. */ | |
1453 | else if (! NILP (mouse_face)) | |
1454 | { | |
1455 | /* Find the range of text around this char that | |
1456 | should be active. */ | |
1457 | Lisp_Object before, after, beginning, end; | |
1458 | int ignore; | |
1459 | ||
1460 | beginning = Fmarker_position (w->start); | |
1461 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
1462 | - XFASTINT (w->window_end_pos))); | |
1463 | before | |
1464 | = Fprevious_single_property_change (make_number (pos + 1), | |
1465 | Qmouse_face, | |
1466 | w->buffer, beginning); | |
1467 | after | |
1468 | = Fnext_single_property_change (position, Qmouse_face, | |
1469 | w->buffer, end); | |
1470 | /* Record this as the current active region. */ | |
1471 | fast_find_position (window, before, | |
1472 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1473 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1474 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end | |
1475 | = !fast_find_position (window, after, | |
1476 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col, | |
1477 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row); | |
1478 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = window; | |
1479 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id | |
1480 | = compute_char_face (f, w, pos, 0, 0, | |
1481 | &ignore, pos + 1, 1); | |
1482 | ||
1483 | /* Display it as active. */ | |
1484 | show_mouse_face (FRAME_WIN32_DISPLAY_INFO (f), 1); | |
1485 | } | |
1486 | BEGV = obegv; | |
1487 | ZV = ozv; | |
1488 | current_buffer = obuf; | |
1489 | } | |
1490 | } | |
1491 | } | |
1492 | \f | |
1493 | /* Find the row and column of position POS in window WINDOW. | |
1494 | Store them in *COLUMNP and *ROWP. | |
1495 | This assumes display in WINDOW is up to date. | |
1496 | If POS is above start of WINDOW, return coords | |
1497 | of start of first screen line. | |
1498 | If POS is after end of WINDOW, return coords of end of last screen line. | |
1499 | ||
1500 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
1501 | ||
1502 | static int | |
1503 | fast_find_position (window, pos, columnp, rowp) | |
1504 | Lisp_Object window; | |
1505 | int pos; | |
1506 | int *columnp, *rowp; | |
1507 | { | |
1508 | struct window *w = XWINDOW (window); | |
1509 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
1510 | int i; | |
1511 | int row = 0; | |
03218728 | 1512 | int left = WINDOW_LEFT_MARGIN (w); |
ee78dc32 GV |
1513 | int top = w->top; |
1514 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
1515 | int width = window_internal_width (w); | |
1516 | int *charstarts; | |
1517 | int lastcol; | |
1518 | int maybe_next_line = 0; | |
1519 | ||
1520 | /* Find the right row. */ | |
1521 | for (i = 0; | |
1522 | i < height; | |
1523 | i++) | |
1524 | { | |
1525 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
1526 | if (linestart > pos) | |
1527 | break; | |
1528 | /* If the position sought is the end of the buffer, | |
1529 | don't include the blank lines at the bottom of the window. */ | |
1530 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
1531 | { | |
1532 | maybe_next_line = 1; | |
1533 | break; | |
1534 | } | |
1535 | if (linestart > 0) | |
1536 | row = i; | |
1537 | } | |
1538 | ||
1539 | /* Find the right column with in it. */ | |
1540 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
1541 | lastcol = left; | |
1542 | for (i = 0; i < width; i++) | |
1543 | { | |
1544 | if (charstarts[left + i] == pos) | |
1545 | { | |
1546 | *rowp = row + top; | |
1547 | *columnp = i + left; | |
1548 | return 1; | |
1549 | } | |
1550 | else if (charstarts[left + i] > pos) | |
1551 | break; | |
1552 | else if (charstarts[left + i] > 0) | |
1553 | lastcol = left + i; | |
1554 | } | |
1555 | ||
1556 | /* If we're looking for the end of the buffer, | |
1557 | and we didn't find it in the line we scanned, | |
1558 | use the start of the following line. */ | |
1559 | if (maybe_next_line) | |
1560 | { | |
1561 | row++; | |
1562 | i = 0; | |
1563 | } | |
1564 | ||
1565 | *rowp = row + top; | |
1566 | *columnp = lastcol; | |
1567 | return 0; | |
1568 | } | |
1569 | ||
1570 | /* Display the active region described by mouse_face_* | |
1571 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
1572 | ||
1573 | static void | |
1574 | show_mouse_face (dpyinfo, hl) | |
1575 | struct win32_display_info *dpyinfo; | |
1576 | int hl; | |
1577 | { | |
1578 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
1579 | int width = window_internal_width (w); | |
1580 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
1581 | int i; | |
1582 | int cursor_off = 0; | |
1583 | int old_curs_x = curs_x; | |
1584 | int old_curs_y = curs_y; | |
1585 | ||
1586 | /* Set these variables temporarily | |
1587 | so that if we have to turn the cursor off and on again | |
1588 | we will put it back at the same place. */ | |
1589 | curs_x = f->phys_cursor_x; | |
1590 | curs_y = f->phys_cursor_y; | |
1591 | ||
1592 | for (i = FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row; | |
1593 | i <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
1594 | { | |
1595 | int column = (i == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
1596 | ? FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col | |
03218728 | 1597 | : WINDOW_LEFT_MARGIN (w)); |
ee78dc32 GV |
1598 | int endcolumn = (i == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row |
1599 | ? FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col | |
03218728 | 1600 | : WINDOW_LEFT_MARGIN (w) + width); |
ee78dc32 GV |
1601 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
1602 | ||
1603 | /* If the cursor's in the text we are about to rewrite, | |
1604 | turn the cursor off. */ | |
1605 | if (i == curs_y | |
1606 | && curs_x >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col - 1 | |
1607 | && curs_x <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col) | |
1608 | { | |
1609 | x_display_cursor (f, 0); | |
1610 | cursor_off = 1; | |
1611 | } | |
1612 | ||
1613 | dumpglyphs (f, | |
1614 | CHAR_TO_PIXEL_COL (f, column), | |
1615 | CHAR_TO_PIXEL_ROW (f, i), | |
1616 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
1617 | endcolumn - column, | |
1618 | /* Highlight with mouse face if hl > 0. */ | |
1619 | hl > 0 ? 3 : 0, 0); | |
1620 | } | |
1621 | ||
1622 | /* If we turned the cursor off, turn it back on. */ | |
1623 | if (cursor_off) | |
1624 | x_display_cursor (f, 1); | |
1625 | ||
1626 | curs_x = old_curs_x; | |
1627 | curs_y = old_curs_y; | |
1628 | ||
1629 | /* Change the mouse cursor according to the value of HL. */ | |
1630 | if (hl > 0) | |
1631 | SetCursor (f->output_data.win32->cross_cursor); | |
1632 | else | |
1633 | SetCursor (f->output_data.win32->text_cursor); | |
1634 | } | |
1635 | ||
1636 | /* Clear out the mouse-highlighted active region. | |
1637 | Redraw it unhighlighted first. */ | |
1638 | ||
1639 | static void | |
1640 | clear_mouse_face (dpyinfo) | |
1641 | struct win32_display_info *dpyinfo; | |
1642 | { | |
1643 | if (! NILP (dpyinfo->mouse_face_window)) | |
1644 | show_mouse_face (dpyinfo, 0); | |
1645 | ||
1646 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
1647 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
1648 | dpyinfo->mouse_face_window = Qnil; | |
1649 | } | |
1650 | \f | |
1651 | struct scroll_bar *x_window_to_scroll_bar (); | |
1652 | static void x_scroll_bar_report_motion (); | |
1653 | ||
1654 | /* Return the current position of the mouse. | |
1655 | *fp should be a frame which indicates which display to ask about. | |
1656 | ||
1657 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
1658 | and *part to the frame, window, and scroll bar part that the mouse | |
1659 | is over. Set *x and *y to the portion and whole of the mouse's | |
1660 | position on the scroll bar. | |
1661 | ||
1662 | If the mouse movement started elsewhere, set *fp to the frame the | |
1663 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1664 | the mouse is over. | |
1665 | ||
1666 | Set *time to the server timestamp for the time at which the mouse | |
1667 | was at this position. | |
1668 | ||
1669 | Don't store anything if we don't have a valid set of values to report. | |
1670 | ||
1671 | This clears the mouse_moved flag, so we can wait for the next mouse | |
1672 | movement. This also calls XQueryPointer, which will cause the | |
1673 | server to give us another MotionNotify when the mouse moves | |
1674 | again. */ | |
1675 | ||
1676 | static void | |
1677 | win32_mouse_position (fp, insist, bar_window, part, x, y, time) | |
1678 | FRAME_PTR *fp; | |
1679 | int insist; | |
1680 | Lisp_Object *bar_window; | |
1681 | enum scroll_bar_part *part; | |
1682 | Lisp_Object *x, *y; | |
1683 | unsigned long *time; | |
1684 | { | |
1685 | FRAME_PTR f1; | |
1686 | ||
1687 | BLOCK_INPUT; | |
1688 | ||
1689 | if (! NILP (last_mouse_scroll_bar)) | |
1690 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); | |
1691 | else | |
1692 | { | |
1693 | POINT pt; | |
1694 | ||
1695 | Lisp_Object frame, tail; | |
1696 | ||
1697 | /* Clear the mouse-moved flag for every frame on this display. */ | |
1698 | FOR_EACH_FRAME (tail, frame) | |
1699 | XFRAME (frame)->mouse_moved = 0; | |
1700 | ||
1701 | last_mouse_scroll_bar = Qnil; | |
1702 | ||
1703 | GetCursorPos (&pt); | |
1704 | ||
1705 | /* Now we have a position on the root; find the innermost window | |
1706 | containing the pointer. */ | |
1707 | { | |
1708 | if (FRAME_WIN32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame | |
1709 | && FRAME_LIVE_P (last_mouse_frame)) | |
1710 | { | |
1711 | f1 = last_mouse_frame; | |
1712 | } | |
1713 | else | |
1714 | { | |
1715 | /* Is win one of our frames? */ | |
1716 | f1 = x_window_to_frame (FRAME_WIN32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); | |
1717 | } | |
1718 | ||
1719 | /* If not, is it one of our scroll bars? */ | |
1720 | if (! f1) | |
1721 | { | |
1722 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); | |
1723 | ||
1724 | if (bar) | |
1725 | { | |
1726 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | if (f1 == 0 && insist) | |
1731 | f1 = selected_frame; | |
1732 | ||
1733 | if (f1) | |
1734 | { | |
1735 | int ignore1, ignore2; | |
1736 | ||
1737 | ScreenToClient (FRAME_WIN32_WINDOW (f1), &pt); | |
1738 | ||
1739 | /* Ok, we found a frame. Store all the values. */ | |
1740 | ||
1741 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, | |
1742 | &last_mouse_glyph, | |
1743 | FRAME_WIN32_DISPLAY_INFO (f1)->grabbed | |
1744 | || insist); | |
1745 | ||
1746 | *bar_window = Qnil; | |
1747 | *part = 0; | |
1748 | *fp = f1; | |
1749 | XSETINT (*x, pt.x); | |
1750 | XSETINT (*y, pt.y); | |
1751 | *time = last_mouse_movement_time; | |
1752 | } | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | UNBLOCK_INPUT; | |
1757 | } | |
1758 | \f | |
1759 | /* Scroll bar support. */ | |
1760 | ||
1761 | /* Given an window ID, find the struct scroll_bar which manages it. | |
1762 | This can be called in GC, so we have to make sure to strip off mark | |
1763 | bits. */ | |
1764 | struct scroll_bar * | |
1765 | x_window_to_scroll_bar (window_id) | |
1766 | Window window_id; | |
1767 | { | |
1768 | Lisp_Object tail, frame; | |
1769 | ||
1770 | for (tail = Vframe_list; | |
1771 | XGCTYPE (tail) == Lisp_Cons; | |
1772 | tail = XCONS (tail)->cdr) | |
1773 | { | |
1774 | Lisp_Object frame, bar, condemned; | |
1775 | ||
1776 | frame = XCONS (tail)->car; | |
1777 | /* All elements of Vframe_list should be frames. */ | |
1778 | if (! GC_FRAMEP (frame)) | |
1779 | abort (); | |
1780 | ||
1781 | /* Scan this frame's scroll bar list for a scroll bar with the | |
1782 | right window ID. */ | |
1783 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
1784 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
1785 | /* This trick allows us to search both the ordinary and | |
1786 | condemned scroll bar lists with one loop. */ | |
1787 | ! GC_NILP (bar) || (bar = condemned, | |
1788 | condemned = Qnil, | |
1789 | ! GC_NILP (bar)); | |
1790 | bar = XSCROLL_BAR (bar)->next) | |
1791 | if (SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1792 | return XSCROLL_BAR (bar); | |
1793 | } | |
1794 | ||
1795 | return 0; | |
1796 | } | |
1797 | ||
1798 | HWND | |
1799 | my_create_scrollbar (f, bar) | |
1800 | struct frame * f; | |
1801 | struct scroll_bar * bar; | |
1802 | { | |
1803 | MSG msg; | |
1804 | ||
1805 | PostThreadMessage (dwWinThreadId, WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
1806 | (LPARAM) bar); | |
1807 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
1808 | ||
1809 | return ((HWND) msg.wParam); | |
1810 | } | |
1811 | ||
52cf03a1 GV |
1812 | //#define ATTACH_THREADS |
1813 | ||
1814 | void | |
1815 | my_show_window (HWND hwnd, int how) | |
1816 | { | |
1817 | #ifndef ATTACH_THREADS | |
1818 | SendMessage (hwnd, WM_EMACS_SHOWWINDOW, (WPARAM) how, 0); | |
1819 | #else | |
1820 | ShowWindow (hwnd , how); | |
1821 | #endif | |
1822 | } | |
1823 | ||
1824 | void | |
1825 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
1826 | int x, int y, int cx, int cy, int flags) | |
1827 | { | |
1828 | #ifndef ATTACH_THREADS | |
1829 | Win32WindowPos pos; | |
1830 | pos.hwndAfter = hwndAfter; | |
1831 | pos.x = x; | |
1832 | pos.y = y; | |
1833 | pos.cx = cx; | |
1834 | pos.cy = cy; | |
1835 | pos.flags = flags; | |
1836 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
1837 | #else | |
1838 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
1839 | #endif | |
1840 | } | |
1841 | ||
ee78dc32 GV |
1842 | void |
1843 | my_destroy_window (f, hwnd) | |
1844 | struct frame * f; | |
1845 | HWND hwnd; | |
1846 | { | |
1847 | SendMessage (FRAME_WIN32_WINDOW (f), WM_EMACS_DESTROYWINDOW, | |
1848 | (WPARAM) hwnd, 0); | |
1849 | } | |
1850 | ||
1851 | /* Open a new window to serve as a scroll bar, and return the | |
1852 | scroll bar vector for it. */ | |
1853 | static struct scroll_bar * | |
1854 | x_scroll_bar_create (window, top, left, width, height) | |
1855 | struct window *window; | |
1856 | int top, left, width, height; | |
1857 | { | |
1858 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
1859 | struct scroll_bar *bar | |
1860 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
1861 | HWND hwnd; | |
1862 | ||
1863 | BLOCK_INPUT; | |
1864 | ||
1865 | XSETWINDOW (bar->window, window); | |
1866 | XSETINT (bar->top, top); | |
1867 | XSETINT (bar->left, left); | |
1868 | XSETINT (bar->width, width); | |
1869 | XSETINT (bar->height, height); | |
1870 | XSETINT (bar->start, 0); | |
1871 | XSETINT (bar->end, 0); | |
1872 | bar->dragging = Qnil; | |
1873 | ||
1874 | /* Requires geometry to be set before call to create the real window */ | |
1875 | ||
1876 | hwnd = my_create_scrollbar (f, bar); | |
1877 | ||
1878 | SetScrollRange (hwnd, SB_CTL, 0, height, FALSE); | |
1879 | SetScrollPos (hwnd, SB_CTL, 0, TRUE); | |
1880 | ||
1881 | SET_SCROLL_BAR_WIN32_WINDOW (bar, hwnd); | |
1882 | ||
1883 | /* Add bar to its frame's list of scroll bars. */ | |
1884 | bar->next = FRAME_SCROLL_BARS (f); | |
1885 | bar->prev = Qnil; | |
1886 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
1887 | if (! NILP (bar->next)) | |
1888 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
1889 | ||
1890 | UNBLOCK_INPUT; | |
1891 | ||
1892 | return bar; | |
1893 | } | |
1894 | ||
1895 | /* Draw BAR's handle in the proper position. | |
1896 | If the handle is already drawn from START to END, don't bother | |
1897 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1898 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1899 | events.) | |
1900 | ||
1901 | Normally, we want to constrain the start and end of the handle to | |
1902 | fit inside its rectangle, but if the user is dragging the scroll bar | |
1903 | handle, we want to let them drag it down all the way, so that the | |
1904 | bar's top is as far down as it goes; otherwise, there's no way to | |
1905 | move to the very end of the buffer. */ | |
1906 | static void | |
1907 | x_scroll_bar_set_handle (bar, start, end, rebuild) | |
1908 | struct scroll_bar *bar; | |
1909 | int start, end; | |
1910 | int rebuild; | |
1911 | { | |
1912 | int dragging = ! NILP (bar->dragging); | |
1913 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); | |
1914 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1915 | ||
1916 | /* If the display is already accurate, do nothing. */ | |
1917 | if (! rebuild | |
1918 | && start == XINT (bar->start) | |
1919 | && end == XINT (bar->end)) | |
1920 | return; | |
1921 | ||
1922 | BLOCK_INPUT; | |
1923 | ||
1924 | /* Store the adjusted setting in the scroll bar. */ | |
1925 | XSETINT (bar->start, start); | |
1926 | XSETINT (bar->end, end); | |
1927 | ||
2c28562d | 1928 | SetScrollPos (w, SB_CTL, start, TRUE); |
ee78dc32 GV |
1929 | |
1930 | UNBLOCK_INPUT; | |
1931 | } | |
1932 | ||
1933 | /* Move a scroll bar around on the screen, to accommodate changing | |
1934 | window configurations. */ | |
1935 | static void | |
1936 | x_scroll_bar_move (bar, top, left, width, height) | |
1937 | struct scroll_bar *bar; | |
1938 | int top, left, width, height; | |
1939 | { | |
1940 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); | |
1941 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1942 | ||
1943 | BLOCK_INPUT; | |
1944 | ||
1945 | MoveWindow (w, left, top, width, height, TRUE); | |
1946 | SetScrollRange (w, SB_CTL, 0, height, FALSE); | |
52cf03a1 | 1947 | InvalidateRect (w, NULL, FALSE); |
0b287713 | 1948 | my_show_window (w, SW_NORMAL); |
ee78dc32 GV |
1949 | |
1950 | XSETINT (bar->left, left); | |
1951 | XSETINT (bar->top, top); | |
1952 | XSETINT (bar->width, width); | |
1953 | XSETINT (bar->height, height); | |
1954 | ||
1955 | UNBLOCK_INPUT; | |
1956 | } | |
1957 | ||
1958 | /* Destroy the window for BAR, and set its Emacs window's scroll bar | |
1959 | to nil. */ | |
1960 | static void | |
1961 | x_scroll_bar_remove (bar) | |
1962 | struct scroll_bar *bar; | |
1963 | { | |
1964 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1965 | ||
1966 | BLOCK_INPUT; | |
1967 | ||
1968 | /* Destroy the window. */ | |
1969 | my_destroy_window (f, SCROLL_BAR_WIN32_WINDOW (bar)); | |
1970 | ||
1971 | /* Disassociate this scroll bar from its window. */ | |
1972 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
1973 | ||
1974 | UNBLOCK_INPUT; | |
1975 | } | |
1976 | ||
1977 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
1978 | that we are displaying PORTION characters out of a total of WHOLE | |
1979 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
1980 | create one. */ | |
1981 | static void | |
1982 | win32_set_vertical_scroll_bar (window, portion, whole, position) | |
1983 | struct window *window; | |
1984 | int portion, whole, position; | |
1985 | { | |
1986 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
1987 | int top = XINT (window->top); | |
1988 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); | |
1989 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
1990 | ||
1991 | /* Where should this scroll bar be, pixelwise? */ | |
1992 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); | |
1993 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
1994 | int pixel_width | |
1995 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
1996 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
1997 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.win32->font))); | |
1998 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
1999 | ||
2000 | struct scroll_bar *bar; | |
2001 | ||
2002 | /* Does the scroll bar exist yet? */ | |
2003 | if (NILP (window->vertical_scroll_bar)) | |
2004 | bar = x_scroll_bar_create (window, | |
2005 | pixel_top, pixel_left, | |
2006 | pixel_width, pixel_height); | |
2007 | else | |
2008 | { | |
2009 | /* It may just need to be moved and resized. */ | |
2010 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2011 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
2012 | } | |
2013 | ||
2014 | /* Set the scroll bar's current state, unless we're currently being | |
2015 | dragged. */ | |
2016 | if (NILP (bar->dragging)) | |
2017 | { | |
2018 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); | |
2019 | ||
2020 | if (whole == 0) | |
2021 | x_scroll_bar_set_handle (bar, 0, top_range, 0); | |
2022 | else | |
2023 | { | |
2024 | int start = (int) (((double) position * top_range) / whole); | |
2025 | int end = (int) (((double) (position + portion) * top_range) / whole); | |
2026 | ||
2027 | x_scroll_bar_set_handle (bar, start, end, 0); | |
2028 | } | |
2029 | } | |
2030 | ||
2031 | XSETVECTOR (window->vertical_scroll_bar, bar); | |
2032 | } | |
2033 | ||
2034 | ||
2035 | /* The following three hooks are used when we're doing a thorough | |
2036 | redisplay of the frame. We don't explicitly know which scroll bars | |
2037 | are going to be deleted, because keeping track of when windows go | |
2038 | away is a real pain - "Can you say set-window-configuration, boys | |
2039 | and girls?" Instead, we just assert at the beginning of redisplay | |
2040 | that *all* scroll bars are to be removed, and then save a scroll bar | |
2041 | from the fiery pit when we actually redisplay its window. */ | |
2042 | ||
2043 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
2044 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2045 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
2046 | static void | |
2047 | win32_condemn_scroll_bars (frame) | |
2048 | FRAME_PTR frame; | |
2049 | { | |
2050 | /* The condemned list should be empty at this point; if it's not, | |
2051 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2052 | protocol correctly. */ | |
2053 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2054 | abort (); | |
2055 | ||
2056 | /* Move them all to the "condemned" list. */ | |
2057 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); | |
2058 | FRAME_SCROLL_BARS (frame) = Qnil; | |
2059 | } | |
2060 | ||
2061 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. | |
2062 | Note that WINDOW isn't necessarily condemned at all. */ | |
2063 | static void | |
2064 | win32_redeem_scroll_bar (window) | |
2065 | struct window *window; | |
2066 | { | |
2067 | struct scroll_bar *bar; | |
2068 | ||
2069 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
2070 | if (NILP (window->vertical_scroll_bar)) | |
2071 | abort (); | |
2072 | ||
2073 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2074 | ||
2075 | /* Unlink it from the condemned list. */ | |
2076 | { | |
2077 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2078 | ||
2079 | if (NILP (bar->prev)) | |
2080 | { | |
2081 | /* If the prev pointer is nil, it must be the first in one of | |
2082 | the lists. */ | |
2083 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
2084 | /* It's not condemned. Everything's fine. */ | |
2085 | return; | |
2086 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
2087 | window->vertical_scroll_bar)) | |
2088 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
2089 | else | |
2090 | /* If its prev pointer is nil, it must be at the front of | |
2091 | one or the other! */ | |
2092 | abort (); | |
2093 | } | |
2094 | else | |
2095 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
2096 | ||
2097 | if (! NILP (bar->next)) | |
2098 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
2099 | ||
2100 | bar->next = FRAME_SCROLL_BARS (f); | |
2101 | bar->prev = Qnil; | |
2102 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
2103 | if (! NILP (bar->next)) | |
2104 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
2105 | } | |
2106 | } | |
2107 | ||
2108 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
2109 | last call to `*condemn_scroll_bars_hook'. */ | |
2110 | static void | |
2111 | win32_judge_scroll_bars (f) | |
2112 | FRAME_PTR f; | |
2113 | { | |
2114 | Lisp_Object bar, next; | |
2115 | ||
2116 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
2117 | ||
2118 | /* Clear out the condemned list now so we won't try to process any | |
2119 | more events on the hapless scroll bars. */ | |
2120 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
2121 | ||
2122 | for (; ! NILP (bar); bar = next) | |
2123 | { | |
2124 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
2125 | ||
2126 | x_scroll_bar_remove (b); | |
2127 | ||
2128 | next = b->next; | |
2129 | b->next = b->prev = Qnil; | |
2130 | } | |
2131 | ||
2132 | /* Now there should be no references to the condemned scroll bars, | |
2133 | and they should get garbage-collected. */ | |
2134 | } | |
2135 | ||
2136 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
2137 | is set to something other than no_event, it is enqueued. | |
2138 | ||
2139 | This may be called from a signal handler, so we have to ignore GC | |
2140 | mark bits. */ | |
2c28562d | 2141 | |
52cf03a1 | 2142 | static int |
ee78dc32 GV |
2143 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
2144 | struct scroll_bar *bar; | |
2145 | Win32Msg *msg; | |
2146 | struct input_event *emacs_event; | |
2147 | { | |
2148 | if (! GC_WINDOWP (bar->window)) | |
2149 | abort (); | |
2150 | ||
52cf03a1 | 2151 | emacs_event->kind = win32_scroll_bar_click; |
ee78dc32 | 2152 | emacs_event->code = 0; |
52cf03a1 GV |
2153 | /* not really meaningful to distinguish up/down */ |
2154 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 GV |
2155 | emacs_event->frame_or_window = bar->window; |
2156 | emacs_event->timestamp = msg->msg.time; | |
2157 | ||
2158 | { | |
2159 | int internal_height | |
2160 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2161 | int top_range | |
2162 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2163 | int y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
2164 | ||
2165 | switch (LOWORD (msg->msg.wParam)) | |
2c28562d RS |
2166 | { |
2167 | case SB_THUMBTRACK: | |
ee78dc32 GV |
2168 | emacs_event->part = scroll_bar_handle; |
2169 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) | |
2170 | y = HIWORD (msg->msg.wParam); | |
2171 | break; | |
2c28562d | 2172 | case SB_LINEDOWN: |
52cf03a1 | 2173 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 2174 | break; |
2c28562d | 2175 | case SB_LINEUP: |
52cf03a1 | 2176 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 2177 | break; |
2c28562d | 2178 | case SB_PAGEUP: |
ee78dc32 GV |
2179 | emacs_event->part = scroll_bar_above_handle; |
2180 | break; | |
2c28562d | 2181 | case SB_PAGEDOWN: |
ee78dc32 GV |
2182 | emacs_event->part = scroll_bar_below_handle; |
2183 | break; | |
2c28562d | 2184 | case SB_TOP: |
ee78dc32 GV |
2185 | emacs_event->part = scroll_bar_handle; |
2186 | y = 0; | |
2187 | break; | |
2c28562d | 2188 | case SB_BOTTOM: |
ee78dc32 GV |
2189 | emacs_event->part = scroll_bar_handle; |
2190 | y = top_range; | |
2191 | break; | |
2c28562d | 2192 | case SB_THUMBPOSITION: |
ee78dc32 | 2193 | emacs_event->part = scroll_bar_handle; |
ee78dc32 | 2194 | break; |
2c28562d RS |
2195 | case SB_ENDSCROLL: |
2196 | default: | |
063b17e5 | 2197 | SetScrollPos (SCROLL_BAR_WIN32_WINDOW (bar), SB_CTL, y, TRUE); |
52cf03a1 | 2198 | return FALSE; |
2c28562d | 2199 | } |
52cf03a1 | 2200 | |
ee78dc32 GV |
2201 | XSETINT (emacs_event->x, y); |
2202 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
2203 | |
2204 | return TRUE; | |
ee78dc32 GV |
2205 | } |
2206 | } | |
2207 | ||
2208 | /* Return information to the user about the current position of the mouse | |
2209 | on the scroll bar. */ | |
2210 | static void | |
2211 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
2212 | FRAME_PTR *fp; | |
2213 | Lisp_Object *bar_window; | |
2214 | enum scroll_bar_part *part; | |
2215 | Lisp_Object *x, *y; | |
2216 | unsigned long *time; | |
2217 | { | |
2218 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
2219 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); | |
2220 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2221 | int pos; | |
2222 | ||
2223 | BLOCK_INPUT; | |
2224 | ||
2225 | *fp = f; | |
2226 | *bar_window = bar->window; | |
2227 | ||
2228 | pos = GetScrollPos (w, SB_CTL); | |
2229 | ||
2230 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
2231 | { | |
2232 | case SB_THUMBPOSITION: | |
2233 | case SB_THUMBTRACK: | |
2234 | *part = scroll_bar_handle; | |
2235 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) | |
2236 | pos = HIWORD (last_mouse_scroll_bar_pos); | |
2237 | break; | |
2238 | case SB_LINEDOWN: | |
2239 | *part = scroll_bar_handle; | |
2240 | pos++; | |
2241 | break; | |
2242 | default: | |
2243 | *part = scroll_bar_handle; | |
2244 | break; | |
2245 | } | |
2246 | ||
2247 | XSETINT(*x, pos); | |
2248 | XSETINT(*y, VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height))); | |
2249 | ||
2250 | f->mouse_moved = 0; | |
2251 | last_mouse_scroll_bar = Qnil; | |
2252 | ||
2253 | *time = last_mouse_movement_time; | |
2254 | ||
2255 | UNBLOCK_INPUT; | |
2256 | } | |
2257 | ||
2258 | /* The screen has been cleared so we may have changed foreground or | |
2259 | background colors, and the scroll bars may need to be redrawn. | |
2260 | Clear out the scroll bars, and ask for expose events, so we can | |
2261 | redraw them. */ | |
2262 | ||
2263 | x_scroll_bar_clear (f) | |
2264 | FRAME_PTR f; | |
2265 | { | |
ee78dc32 GV |
2266 | Lisp_Object bar; |
2267 | ||
2268 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
2269 | bar = XSCROLL_BAR (bar)->next) | |
52cf03a1 GV |
2270 | { |
2271 | HWND window = SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)); | |
2272 | HDC hdc = GetDC (window); | |
2273 | RECT rect; | |
2274 | ||
0b287713 | 2275 | my_show_window (window, SW_HIDE); |
52cf03a1 GV |
2276 | GetClientRect (window, &rect); |
2277 | select_palette (f, hdc); | |
2278 | win32_clear_rect (f, hdc, &rect); | |
2279 | deselect_palette (f, hdc); | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | show_scroll_bars (f, how) | |
2284 | FRAME_PTR f; | |
2285 | int how; | |
2286 | { | |
2287 | Lisp_Object bar; | |
2288 | ||
2289 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
2290 | bar = XSCROLL_BAR (bar)->next) | |
2291 | { | |
2292 | HWND window = SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)); | |
2293 | my_show_window (window, how); | |
2294 | } | |
ee78dc32 GV |
2295 | } |
2296 | ||
2297 | \f | |
2298 | /* The main Win32 event-reading loop - w32_read_socket. */ | |
2299 | ||
2300 | /* Timestamp of enter window event. This is only used by w32_read_socket, | |
2301 | but we have to put it out here, since static variables within functions | |
2302 | sometimes don't work. */ | |
2303 | static Time enter_timestamp; | |
2304 | ||
2305 | /* Record the last 100 characters stored | |
2306 | to help debug the loss-of-chars-during-GC problem. */ | |
2307 | int temp_index; | |
2308 | short temp_buffer[100]; | |
2309 | ||
afd153f0 GV |
2310 | extern int key_event (KEY_EVENT_RECORD *, struct input_event *); |
2311 | ||
2312 | /* Map a Win32 WM_CHAR message into a KEY_EVENT_RECORD so that | |
2313 | we can use the same routines to handle input in both console | |
2314 | and window modes. */ | |
2315 | ||
2316 | static void | |
2317 | convert_to_key_event (Win32Msg *msgp, KEY_EVENT_RECORD *eventp) | |
2318 | { | |
2319 | eventp->bKeyDown = TRUE; | |
2320 | eventp->wRepeatCount = 1; | |
2321 | eventp->wVirtualKeyCode = msgp->msg.wParam; | |
2322 | eventp->wVirtualScanCode = (msgp->msg.lParam & 0xFF0000) >> 16; | |
2323 | eventp->uChar.AsciiChar = 0; | |
2324 | eventp->dwControlKeyState = msgp->dwModifiers; | |
2325 | } | |
2326 | ||
2327 | /* Return nonzero if the virtual key is a dead key. */ | |
2328 | ||
2329 | static int | |
2330 | is_dead_key (int wparam) | |
2331 | { | |
2332 | unsigned int code = MapVirtualKey (wparam, 2); | |
2333 | ||
2334 | /* Win95 returns 0x8000, NT returns 0x80000000. */ | |
2335 | if ((code & 0x8000) || (code & 0x80000000)) | |
2336 | return 1; | |
2337 | else | |
2338 | return 0; | |
2339 | } | |
2340 | ||
ee78dc32 GV |
2341 | /* Read events coming from the Win32 shell. |
2342 | This routine is called by the SIGIO handler. | |
2343 | We return as soon as there are no more events to be read. | |
2344 | ||
2345 | Events representing keys are stored in buffer BUFP, | |
2346 | which can hold up to NUMCHARS characters. | |
2347 | We return the number of characters stored into the buffer, | |
2348 | thus pretending to be `read'. | |
2349 | ||
ee78dc32 GV |
2350 | EXPECTED is nonzero if the caller knows input is available. |
2351 | ||
2352 | Some of these messages are reposted back to the message queue since the | |
2353 | system calls the winproc directly in a context where we cannot return the | |
2354 | data nor can we guarantee the state we are in. So if we dispatch them | |
2355 | we will get into an infinite loop. To prevent this from ever happening we | |
2356 | will set a variable to indicate we are in the read_socket call and indicate | |
2357 | which message we are processing since the winproc gets called recursively with different | |
2358 | messages by the system. | |
2359 | */ | |
2360 | ||
2361 | int | |
3aad7613 | 2362 | w32_read_socket (sd, bufp, numchars, expected) |
ee78dc32 GV |
2363 | register int sd; |
2364 | register struct input_event *bufp; | |
2365 | register int numchars; | |
ee78dc32 GV |
2366 | int expected; |
2367 | { | |
2368 | int count = 0; | |
2369 | int nbytes = 0; | |
2370 | int items_pending; /* How many items are in the X queue. */ | |
2371 | Win32Msg msg; | |
2372 | struct frame *f; | |
2373 | int event_found = 0; | |
2374 | int prefix; | |
2375 | Lisp_Object part; | |
2376 | struct win32_display_info *dpyinfo = &one_win32_display_info; | |
2377 | ||
2378 | if (interrupt_input_blocked) | |
2379 | { | |
2380 | interrupt_input_pending = 1; | |
2381 | return -1; | |
2382 | } | |
2383 | ||
2384 | interrupt_input_pending = 0; | |
2385 | BLOCK_INPUT; | |
2386 | ||
2387 | /* So people can tell when we have read the available input. */ | |
2388 | input_signal_count++; | |
2389 | ||
2390 | if (numchars <= 0) | |
2391 | abort (); /* Don't think this happens. */ | |
2392 | ||
52cf03a1 | 2393 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
2394 | { |
2395 | switch (msg.msg.message) | |
2396 | { | |
ee78dc32 GV |
2397 | case WM_PAINT: |
2398 | { | |
2399 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2400 | ||
2401 | if (f) | |
2402 | { | |
2403 | if (f->async_visible == 0) | |
2404 | { | |
2405 | f->async_visible = 1; | |
2406 | f->async_iconified = 0; | |
2407 | SET_FRAME_GARBAGED (f); | |
2408 | } | |
2409 | else | |
2410 | { | |
97e6de38 KH |
2411 | /* Erase background again for safety. */ |
2412 | win32_clear_rect (f, NULL, &msg.rect); | |
ee78dc32 GV |
2413 | dumprectangle (f, |
2414 | msg.rect.left, | |
2415 | msg.rect.top, | |
2416 | msg.rect.right-msg.rect.left+1, | |
2417 | msg.rect.bottom-msg.rect.top+1); | |
ee78dc32 GV |
2418 | } |
2419 | } | |
2420 | } | |
52cf03a1 | 2421 | break; |
ee78dc32 GV |
2422 | case WM_KEYDOWN: |
2423 | case WM_SYSKEYDOWN: | |
2424 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2425 | ||
2426 | if (f && !f->iconified) | |
2427 | { | |
2428 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
2429 | temp_index = 0; | |
2430 | temp_buffer[temp_index++] = msg.msg.wParam; | |
2431 | bufp->kind = non_ascii_keystroke; | |
2432 | bufp->code = msg.msg.wParam; | |
52cf03a1 | 2433 | bufp->modifiers = win32_kbd_mods_to_emacs (msg.dwModifiers); |
ee78dc32 GV |
2434 | XSETFRAME (bufp->frame_or_window, f); |
2435 | bufp->timestamp = msg.msg.time; | |
2436 | bufp++; | |
2437 | numchars--; | |
2438 | count++; | |
2439 | } | |
2440 | break; | |
2441 | case WM_SYSCHAR: | |
2442 | case WM_CHAR: | |
2443 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2444 | ||
2445 | if (f && !f->iconified) | |
2446 | { | |
2447 | if (numchars > 1) | |
2448 | { | |
afd153f0 GV |
2449 | int add; |
2450 | KEY_EVENT_RECORD key, *keyp = &key; | |
2451 | ||
ee78dc32 GV |
2452 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2453 | temp_index = 0; | |
afd153f0 GV |
2454 | |
2455 | convert_to_key_event (&msg, keyp); | |
2456 | add = key_event (keyp, bufp); | |
a92989c3 | 2457 | XSETFRAME (bufp->frame_or_window, f); |
afd153f0 GV |
2458 | if (add == -1) |
2459 | { | |
2460 | /* The key pressed generated two characters, most likely | |
2461 | an accent character and a key that could not be | |
2462 | combined with it. Prepend the message on the queue | |
2463 | again to process the second character (which is | |
2464 | being held internally in key_event), and process | |
2465 | the first character now. */ | |
2466 | prepend_msg (&msg); | |
2467 | add = 1; | |
2468 | } | |
2469 | ||
7e797bdb RS |
2470 | /* Throw dead keys away. However, be sure not to |
2471 | throw away the dead key if it was produced using | |
2472 | AltGr and there is a valid AltGr scan code for | |
2473 | this key. */ | |
2474 | if (is_dead_key (msg.msg.wParam) | |
ded385e2 | 2475 | && !((VkKeyScan ((char) bufp->code) & 0xff00) == 0x600)) |
afd153f0 GV |
2476 | break; |
2477 | ||
2478 | bufp += add; | |
2479 | numchars -= add; | |
2480 | count += add; | |
ee78dc32 GV |
2481 | } |
2482 | else | |
2483 | { | |
2484 | abort (); | |
2485 | } | |
2486 | } | |
2487 | break; | |
2488 | case WM_MOUSEMOVE: | |
2489 | if (dpyinfo->grabbed && last_mouse_frame | |
2490 | && FRAME_LIVE_P (last_mouse_frame)) | |
2491 | f = last_mouse_frame; | |
2492 | else | |
2493 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2494 | ||
2495 | if (f) | |
2496 | note_mouse_movement (f, &msg.msg); | |
2497 | else | |
2498 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); | |
2499 | ||
2500 | break; | |
2501 | case WM_LBUTTONDOWN: | |
2502 | case WM_LBUTTONUP: | |
2503 | case WM_MBUTTONDOWN: | |
2504 | case WM_MBUTTONUP: | |
2505 | case WM_RBUTTONDOWN: | |
2506 | case WM_RBUTTONUP: | |
2507 | { | |
2508 | int button; | |
2509 | int up; | |
2510 | ||
2511 | if (dpyinfo->grabbed && last_mouse_frame | |
2512 | && FRAME_LIVE_P (last_mouse_frame)) | |
2513 | f = last_mouse_frame; | |
2514 | else | |
2515 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2516 | ||
2517 | if (f) | |
2518 | { | |
2519 | if ((!dpyinfo->win32_focus_frame || f == dpyinfo->win32_focus_frame) | |
2520 | && (numchars >= 1)) | |
2521 | { | |
2522 | construct_mouse_click (bufp, &msg, f); | |
2523 | bufp++; | |
2524 | count++; | |
2525 | numchars--; | |
2526 | } | |
2527 | } | |
2528 | ||
2529 | parse_button (msg.msg.message, &button, &up); | |
2530 | ||
2531 | if (up) | |
2532 | { | |
2533 | dpyinfo->grabbed &= ~ (1 << button); | |
2534 | } | |
2535 | else | |
2536 | { | |
2537 | dpyinfo->grabbed |= (1 << button); | |
2538 | last_mouse_frame = f; | |
2539 | } | |
2540 | } | |
2541 | ||
2542 | break; | |
2543 | case WM_VSCROLL: | |
2544 | { | |
2545 | struct scroll_bar *bar = x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
2546 | ||
2547 | if (bar && numchars >= 1) | |
2548 | { | |
52cf03a1 GV |
2549 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
2550 | { | |
2551 | bufp++; | |
2552 | count++; | |
2553 | numchars--; | |
2554 | } | |
ee78dc32 GV |
2555 | } |
2556 | } | |
2557 | ||
2558 | break; | |
2559 | case WM_MOVE: | |
2560 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2561 | ||
2562 | if (f && !f->async_iconified) | |
2563 | { | |
2564 | f->output_data.win32->left_pos = LOWORD (msg.msg.lParam); | |
2565 | f->output_data.win32->top_pos = HIWORD (msg.msg.lParam); | |
2566 | } | |
2567 | ||
2568 | break; | |
2569 | case WM_SIZE: | |
2570 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2571 | ||
2572 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) | |
2573 | { | |
2574 | RECT rect; | |
2575 | int rows; | |
2576 | int columns; | |
2577 | int width; | |
2578 | int height; | |
2579 | ||
97c23857 | 2580 | GetClientRect(msg.msg.hwnd, &rect); |
ee78dc32 GV |
2581 | |
2582 | height = rect.bottom - rect.top + 1; | |
2583 | width = rect.right - rect.left + 1; | |
2584 | ||
2585 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
2586 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
2587 | ||
2588 | /* Even if the number of character rows and columns has | |
2589 | not changed, the font size may have changed, so we need | |
2590 | to check the pixel dimensions as well. */ | |
2591 | ||
2592 | if (columns != f->width | |
2593 | || rows != f->height | |
2594 | || width != f->output_data.win32->pixel_width | |
2595 | || height != f->output_data.win32->pixel_height) | |
2596 | { | |
2597 | /* I had set this to 0, 0 - I am not sure why?? */ | |
2598 | ||
2599 | change_frame_size (f, rows, columns, 0, 1); | |
2600 | SET_FRAME_GARBAGED (f); | |
2601 | ||
2602 | f->output_data.win32->pixel_width = width; | |
2603 | f->output_data.win32->pixel_height = height; | |
2604 | f->output_data.win32->win_gravity = NorthWestGravity; | |
2605 | } | |
2606 | } | |
2607 | ||
2608 | break; | |
2609 | case WM_SETFOCUS: | |
2610 | case WM_KILLFOCUS: | |
2611 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2612 | ||
2613 | if (msg.msg.message == WM_SETFOCUS) | |
2614 | { | |
2615 | x_new_focus_frame (dpyinfo, f); | |
2616 | } | |
2617 | else if (f == dpyinfo->win32_focus_frame) | |
2618 | x_new_focus_frame (dpyinfo, 0); | |
2619 | ||
2620 | break; | |
2621 | case WM_SYSCOMMAND: | |
ce2d626f | 2622 | switch (msg.msg.wParam & 0xfff0) /* Lower 4 bits used by Windows. */ |
ee78dc32 GV |
2623 | { |
2624 | case SC_CLOSE: | |
2625 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2626 | ||
2627 | if (f) | |
2628 | { | |
2629 | if (numchars == 0) | |
2630 | abort (); | |
2631 | ||
2632 | bufp->kind = delete_window_event; | |
2633 | XSETFRAME (bufp->frame_or_window, f); | |
2634 | bufp++; | |
2635 | count++; | |
2636 | numchars--; | |
2637 | } | |
2638 | ||
2639 | break; | |
2640 | case SC_MINIMIZE: | |
2641 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2642 | ||
2643 | if (f) | |
2644 | { | |
2645 | f->async_visible = 1; | |
2646 | f->async_iconified = 1; | |
2647 | ||
2648 | bufp->kind = iconify_event; | |
2649 | XSETFRAME (bufp->frame_or_window, f); | |
2650 | bufp++; | |
2651 | count++; | |
2652 | numchars--; | |
2653 | } | |
2654 | ||
2655 | break; | |
2656 | case SC_MAXIMIZE: | |
2657 | case SC_RESTORE: | |
2658 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2659 | ||
2660 | if (f) | |
2661 | { | |
2662 | f->async_visible = 1; | |
2663 | f->async_iconified = 0; | |
2664 | ||
2665 | /* wait_reading_process_input will notice this and update | |
2666 | the frame's display structures. */ | |
2667 | SET_FRAME_GARBAGED (f); | |
2668 | ||
2669 | if (f->iconified) | |
2670 | { | |
2671 | bufp->kind = deiconify_event; | |
2672 | XSETFRAME (bufp->frame_or_window, f); | |
2673 | bufp++; | |
2674 | count++; | |
2675 | numchars--; | |
2676 | } | |
2677 | else | |
2678 | /* Force a redisplay sooner or later | |
2679 | to update the frame titles | |
2680 | in case this is the second frame. */ | |
2681 | record_asynch_buffer_change (); | |
2682 | } | |
2683 | ||
2684 | break; | |
2685 | } | |
2686 | ||
2687 | break; | |
2688 | case WM_CLOSE: | |
2689 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2690 | ||
2691 | if (f) | |
2692 | { | |
2693 | if (numchars == 0) | |
2694 | abort (); | |
2695 | ||
2696 | bufp->kind = delete_window_event; | |
2697 | XSETFRAME (bufp->frame_or_window, f); | |
2698 | bufp++; | |
2699 | count++; | |
2700 | numchars--; | |
2701 | } | |
2702 | ||
2703 | break; | |
2704 | case WM_COMMAND: | |
2705 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
2706 | ||
2707 | if (f) | |
2708 | { | |
2709 | if (msg.msg.lParam == 0) | |
2710 | { | |
2711 | /* Came from window menu */ | |
2712 | ||
2713 | extern Lisp_Object get_frame_menubar_event (); | |
2714 | Lisp_Object event = get_frame_menubar_event (f, msg.msg.wParam); | |
2715 | struct input_event buf; | |
2716 | Lisp_Object frame; | |
2717 | ||
2718 | XSETFRAME (frame, f); | |
2719 | buf.kind = menu_bar_event; | |
2720 | ||
2721 | /* Store initial menu bar event */ | |
2722 | ||
2723 | if (!NILP (event)) | |
2724 | { | |
2725 | buf.frame_or_window = Fcons (frame, Fcons (Qmenu_bar, Qnil)); | |
2726 | kbd_buffer_store_event (&buf); | |
2727 | } | |
2728 | ||
2729 | /* Enqueue the events */ | |
2730 | ||
2731 | while (!NILP (event)) | |
2732 | { | |
2733 | buf.frame_or_window = Fcons (frame, XCONS (event)->car); | |
2734 | kbd_buffer_store_event (&buf); | |
2735 | event = XCONS (event)->cdr; | |
2736 | } | |
2737 | } | |
2738 | else | |
2739 | { | |
2740 | /* Came from popup menu */ | |
2741 | } | |
2742 | } | |
2743 | break; | |
2744 | } | |
2745 | } | |
2746 | ||
2747 | /* If the focus was just given to an autoraising frame, | |
2748 | raise it now. */ | |
2749 | /* ??? This ought to be able to handle more than one such frame. */ | |
2750 | if (pending_autoraise_frame) | |
2751 | { | |
2752 | x_raise_frame (pending_autoraise_frame); | |
2753 | pending_autoraise_frame = 0; | |
2754 | } | |
2755 | ||
2756 | UNBLOCK_INPUT; | |
2757 | return count; | |
2758 | } | |
2759 | \f | |
2760 | /* Drawing the cursor. */ | |
2761 | ||
2762 | ||
2763 | /* Draw a hollow box cursor. Don't change the inside of the box. */ | |
2764 | ||
2765 | static void | |
2766 | x_draw_box (f) | |
2767 | struct frame *f; | |
2768 | { | |
2769 | RECT rect; | |
2770 | HBRUSH hb; | |
2771 | HDC hdc; | |
2772 | ||
52cf03a1 | 2773 | hdc = get_frame_dc (f); |
ee78dc32 GV |
2774 | |
2775 | hb = CreateSolidBrush (f->output_data.win32->cursor_pixel); | |
2776 | ||
2777 | rect.left = CHAR_TO_PIXEL_COL (f, curs_x); | |
2778 | rect.top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
52cf03a1 GV |
2779 | rect.right = rect.left + FONT_WIDTH (f->output_data.win32->font); |
2780 | rect.bottom = rect.top + f->output_data.win32->line_height; | |
2781 | ||
ee78dc32 | 2782 | FrameRect (hdc, &rect, hb); |
ee78dc32 | 2783 | DeleteObject (hb); |
52cf03a1 GV |
2784 | |
2785 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
2786 | } |
2787 | ||
2788 | /* Clear the cursor of frame F to background color, | |
2789 | and mark the cursor as not shown. | |
2790 | This is used when the text where the cursor is | |
2791 | is about to be rewritten. */ | |
2792 | ||
2793 | static void | |
2794 | clear_cursor (f) | |
2795 | struct frame *f; | |
2796 | { | |
2797 | if (! FRAME_VISIBLE_P (f) | |
2798 | || f->phys_cursor_x < 0) | |
2799 | return; | |
2800 | ||
2801 | x_display_cursor (f, 0); | |
2802 | f->phys_cursor_x = -1; | |
2803 | } | |
2804 | ||
2805 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style | |
2806 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the | |
2807 | glyph drawn. */ | |
2808 | ||
2809 | static void | |
2810 | x_draw_single_glyph (f, row, column, glyph, highlight) | |
2811 | struct frame *f; | |
2812 | int row, column; | |
2813 | GLYPH glyph; | |
2814 | int highlight; | |
2815 | { | |
2816 | dumpglyphs (f, | |
2817 | CHAR_TO_PIXEL_COL (f, column), | |
2818 | CHAR_TO_PIXEL_ROW (f, row), | |
2819 | &glyph, 1, highlight, 0); | |
2820 | } | |
2821 | ||
2822 | static void | |
2823 | x_display_bar_cursor (f, on) | |
2824 | struct frame *f; | |
2825 | int on; | |
2826 | { | |
2827 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
2828 | ||
2829 | /* This is pointless on invisible frames, and dangerous on garbaged | |
2830 | frames; in the latter case, the frame may be in the midst of | |
2831 | changing its size, and curs_x and curs_y may be off the frame. */ | |
2832 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
2833 | return; | |
2834 | ||
2835 | if (! on && f->phys_cursor_x < 0) | |
2836 | return; | |
2837 | ||
2838 | /* If we're not updating, then we want to use the current frame's | |
2839 | cursor position, not our local idea of where the cursor ought to be. */ | |
2840 | if (f != updating_frame) | |
2841 | { | |
2842 | curs_x = FRAME_CURSOR_X (f); | |
2843 | curs_y = FRAME_CURSOR_Y (f); | |
2844 | } | |
2845 | ||
2846 | /* If there is anything wrong with the current cursor state, remove it. */ | |
2847 | if (f->phys_cursor_x >= 0 | |
2848 | && (!on | |
2849 | || f->phys_cursor_x != curs_x | |
2850 | || f->phys_cursor_y != curs_y | |
2851 | || f->output_data.win32->current_cursor != bar_cursor)) | |
2852 | { | |
2853 | /* Erase the cursor by redrawing the character underneath it. */ | |
2854 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
2855 | f->phys_cursor_glyph, | |
2856 | current_glyphs->highlight[f->phys_cursor_y]); | |
2857 | f->phys_cursor_x = -1; | |
2858 | } | |
2859 | ||
2860 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
2861 | if (on | |
2862 | && (f->phys_cursor_x < 0 | |
2863 | || (f->output_data.win32->current_cursor != bar_cursor))) | |
2864 | { | |
2865 | f->phys_cursor_glyph | |
2866 | = ((current_glyphs->enable[curs_y] | |
2867 | && curs_x < current_glyphs->used[curs_y]) | |
2868 | ? current_glyphs->glyphs[curs_y][curs_x] | |
2869 | : SPACEGLYPH); | |
2870 | win32_fill_area (f, NULL, f->output_data.win32->cursor_pixel, | |
2871 | CHAR_TO_PIXEL_COL (f, curs_x), | |
2872 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
2873 | max (f->output_data.win32->cursor_width, 1), | |
2874 | f->output_data.win32->line_height); | |
2875 | ||
2876 | f->phys_cursor_x = curs_x; | |
2877 | f->phys_cursor_y = curs_y; | |
2878 | ||
2879 | f->output_data.win32->current_cursor = bar_cursor; | |
2880 | } | |
2881 | } | |
2882 | ||
2883 | ||
2884 | /* Turn the displayed cursor of frame F on or off according to ON. | |
2885 | If ON is nonzero, where to put the cursor is specified | |
2886 | by F->cursor_x and F->cursor_y. */ | |
2887 | ||
2888 | static void | |
2889 | x_display_box_cursor (f, on) | |
2890 | struct frame *f; | |
2891 | int on; | |
2892 | { | |
2893 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
2894 | ||
2895 | /* This is pointless on invisible frames, and dangerous on garbaged | |
2896 | frames; in the latter case, the frame may be in the midst of | |
2897 | changing its size, and curs_x and curs_y may be off the frame. */ | |
2898 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
2899 | return; | |
2900 | ||
2901 | /* If cursor is off and we want it off, return quickly. */ | |
2902 | if (!on && f->phys_cursor_x < 0) | |
2903 | return; | |
2904 | ||
2905 | /* If we're not updating, then we want to use the current frame's | |
2906 | cursor position, not our local idea of where the cursor ought to be. */ | |
2907 | if (f != updating_frame) | |
2908 | { | |
2909 | curs_x = FRAME_CURSOR_X (f); | |
2910 | curs_y = FRAME_CURSOR_Y (f); | |
2911 | } | |
2912 | ||
2913 | /* If cursor is currently being shown and we don't want it to be | |
2914 | or it is in the wrong place, | |
2915 | or we want a hollow box and it's not so, (pout!) | |
2916 | erase it. */ | |
2917 | if (f->phys_cursor_x >= 0 | |
2918 | && (!on | |
2919 | || f->phys_cursor_x != curs_x | |
2920 | || f->phys_cursor_y != curs_y | |
2921 | || (f->output_data.win32->current_cursor != hollow_box_cursor | |
2922 | && (f != FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame)))) | |
2923 | { | |
2924 | int mouse_face_here = 0; | |
2925 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); | |
2926 | ||
2927 | /* If the cursor is in the mouse face area, redisplay that when | |
2928 | we clear the cursor. */ | |
2929 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame | |
2930 | && | |
2931 | (f->phys_cursor_y > FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2932 | || (f->phys_cursor_y == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2933 | && f->phys_cursor_x >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
2934 | && | |
2935 | (f->phys_cursor_y < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
2936 | || (f->phys_cursor_y == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row | |
2937 | && f->phys_cursor_x < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col)) | |
2938 | /* Don't redraw the cursor's spot in mouse face | |
2939 | if it is at the end of a line (on a newline). | |
2940 | The cursor appears there, but mouse highlighting does not. */ | |
2941 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
2942 | mouse_face_here = 1; | |
2943 | ||
2944 | /* If the font is not as tall as a whole line, | |
2945 | we must explicitly clear the line's whole height. */ | |
2946 | if (FONT_HEIGHT (f->output_data.win32->font) != f->output_data.win32->line_height) | |
2947 | win32_clear_area (f, NULL, | |
2948 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
2949 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
2950 | FONT_WIDTH (f->output_data.win32->font), | |
2951 | f->output_data.win32->line_height); | |
2952 | /* Erase the cursor by redrawing the character underneath it. */ | |
2953 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
2954 | f->phys_cursor_glyph, | |
2955 | (mouse_face_here | |
2956 | ? 3 | |
2957 | : current_glyphs->highlight[f->phys_cursor_y])); | |
2958 | f->phys_cursor_x = -1; | |
2959 | } | |
2960 | ||
2961 | /* If we want to show a cursor, | |
2962 | or we want a box cursor and it's not so, | |
2963 | write it in the right place. */ | |
2964 | if (on | |
2965 | && (f->phys_cursor_x < 0 | |
2966 | || (f->output_data.win32->current_cursor != filled_box_cursor | |
2967 | && f == FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame))) | |
2968 | { | |
2969 | f->phys_cursor_glyph | |
2970 | = ((current_glyphs->enable[curs_y] | |
2971 | && curs_x < current_glyphs->used[curs_y]) | |
2972 | ? current_glyphs->glyphs[curs_y][curs_x] | |
2973 | : SPACEGLYPH); | |
2974 | if (f != FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame) | |
2975 | { | |
2976 | x_draw_box (f); | |
2977 | f->output_data.win32->current_cursor = hollow_box_cursor; | |
2978 | } | |
2979 | else | |
2980 | { | |
2981 | x_draw_single_glyph (f, curs_y, curs_x, | |
2982 | f->phys_cursor_glyph, 2); | |
2983 | f->output_data.win32->current_cursor = filled_box_cursor; | |
2984 | } | |
2985 | ||
2986 | f->phys_cursor_x = curs_x; | |
2987 | f->phys_cursor_y = curs_y; | |
2988 | } | |
2989 | } | |
2990 | ||
2991 | x_display_cursor (f, on) | |
2992 | struct frame *f; | |
2993 | int on; | |
2994 | { | |
2995 | BLOCK_INPUT; | |
2996 | ||
2997 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) | |
2998 | x_display_box_cursor (f, on); | |
2999 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) | |
3000 | x_display_bar_cursor (f, on); | |
3001 | else | |
3002 | /* Those are the only two we have implemented! */ | |
3003 | abort (); | |
3004 | ||
3005 | UNBLOCK_INPUT; | |
3006 | } | |
3007 | \f | |
3008 | /* Changing the font of the frame. */ | |
3009 | ||
3010 | /* Give frame F the font named FONTNAME as its default font, and | |
3011 | return the full name of that font. FONTNAME may be a wildcard | |
3012 | pattern; in that case, we choose some font that fits the pattern. | |
3013 | The return value shows which font we chose. */ | |
3014 | ||
3015 | Lisp_Object | |
3016 | x_new_font (f, fontname) | |
3017 | struct frame *f; | |
3018 | register char *fontname; | |
3019 | { | |
3020 | int already_loaded; | |
3021 | int n_matching_fonts; | |
3022 | XFontStruct *font_info; | |
3023 | char new_font_name[101]; | |
3024 | ||
3025 | /* Get a font which matches this name */ | |
3026 | { | |
3027 | LOGFONT lf; | |
3028 | ||
3029 | if (!x_to_win32_font(fontname, &lf) | |
3030 | || !win32_to_x_font(&lf, new_font_name, 100)) | |
3031 | { | |
3032 | return Qnil; | |
3033 | } | |
3034 | } | |
3035 | ||
3036 | /* See if we've already loaded a matching font. */ | |
3037 | already_loaded = -1; | |
3038 | ||
3039 | { | |
3040 | int i; | |
3041 | ||
3042 | for (i = 0; i < FRAME_WIN32_DISPLAY_INFO (f)->n_fonts; i++) | |
3043 | if (!strcmp (FRAME_WIN32_DISPLAY_INFO (f)->font_table[i].name, new_font_name)) | |
3044 | { | |
3045 | already_loaded = i; | |
3046 | fontname = FRAME_WIN32_DISPLAY_INFO (f)->font_table[i].name; | |
3047 | break; | |
3048 | } | |
3049 | } | |
3050 | ||
3051 | /* If we have, just return it from the table. */ | |
3052 | if (already_loaded >= 0) | |
3053 | f->output_data.win32->font = FRAME_WIN32_DISPLAY_INFO (f)->font_table[already_loaded].font; | |
3054 | /* Otherwise, load the font and add it to the table. */ | |
3055 | else | |
3056 | { | |
3057 | XFontStruct *font; | |
3058 | int n_fonts; | |
3059 | ||
3060 | font = win32_load_font(FRAME_WIN32_DISPLAY_INFO (f), fontname); | |
3061 | ||
3062 | if (! font) | |
3063 | { | |
3064 | return Qnil; | |
3065 | } | |
3066 | ||
3067 | /* Do we need to create the table? */ | |
3068 | if (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size == 0) | |
3069 | { | |
3070 | FRAME_WIN32_DISPLAY_INFO (f)->font_table_size = 16; | |
3071 | FRAME_WIN32_DISPLAY_INFO (f)->font_table | |
3072 | = (struct font_info *) xmalloc (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size | |
3073 | * sizeof (struct font_info)); | |
3074 | } | |
3075 | /* Do we need to grow the table? */ | |
3076 | else if (FRAME_WIN32_DISPLAY_INFO (f)->n_fonts | |
3077 | >= FRAME_WIN32_DISPLAY_INFO (f)->font_table_size) | |
3078 | { | |
3079 | FRAME_WIN32_DISPLAY_INFO (f)->font_table_size *= 2; | |
3080 | FRAME_WIN32_DISPLAY_INFO (f)->font_table | |
3081 | = (struct font_info *) xrealloc (FRAME_WIN32_DISPLAY_INFO (f)->font_table, | |
3082 | (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size | |
3083 | * sizeof (struct font_info))); | |
3084 | } | |
3085 | ||
3086 | n_fonts = FRAME_WIN32_DISPLAY_INFO (f)->n_fonts; | |
3087 | FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
3088 | bcopy (fontname, FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
3089 | f->output_data.win32->font = FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
3090 | FRAME_WIN32_DISPLAY_INFO (f)->n_fonts++; | |
3091 | } | |
3092 | ||
3093 | /* Compute the scroll bar width in character columns. */ | |
3094 | if (f->scroll_bar_pixel_width > 0) | |
3095 | { | |
3096 | int wid = FONT_WIDTH (f->output_data.win32->font); | |
3097 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
3098 | } | |
3099 | else | |
3100 | f->scroll_bar_cols = 2; | |
3101 | ||
3102 | /* Now make the frame display the given font. */ | |
3103 | if (FRAME_WIN32_WINDOW (f) != 0) | |
3104 | { | |
3105 | frame_update_line_height (f); | |
3106 | x_set_window_size (f, 0, f->width, f->height); | |
3107 | } | |
3108 | else | |
3109 | /* If we are setting a new frame's font for the first time, | |
3110 | there are no faces yet, so this font's height is the line height. */ | |
3111 | f->output_data.win32->line_height = FONT_HEIGHT (f->output_data.win32->font); | |
3112 | ||
3113 | { | |
3114 | Lisp_Object lispy_name; | |
3115 | ||
3116 | lispy_name = build_string (fontname); | |
3117 | ||
3118 | return lispy_name; | |
3119 | } | |
3120 | } | |
3121 | \f | |
3122 | x_calc_absolute_position (f) | |
3123 | struct frame *f; | |
3124 | { | |
3125 | Window win, child; | |
3126 | POINT pt; | |
3127 | int flags = f->output_data.win32->size_hint_flags; | |
3128 | ||
3129 | pt.x = pt.y = 0; | |
3130 | ||
3131 | /* Find the position of the outside upper-left corner of | |
3132 | the inner window, with respect to the outer window. */ | |
3133 | if (f->output_data.win32->parent_desc != FRAME_WIN32_DISPLAY_INFO (f)->root_window) | |
3134 | { | |
3135 | BLOCK_INPUT; | |
3136 | MapWindowPoints (FRAME_WIN32_WINDOW (f), | |
3137 | f->output_data.win32->parent_desc, | |
3138 | &pt, 1); | |
3139 | UNBLOCK_INPUT; | |
3140 | } | |
3141 | ||
3142 | { | |
3143 | RECT rt; | |
3144 | rt.left = rt.right = rt.top = rt.bottom = 0; | |
3145 | ||
3146 | BLOCK_INPUT; | |
97c23857 GV |
3147 | AdjustWindowRect(&rt, f->output_data.win32->dwStyle, |
3148 | FRAME_EXTERNAL_MENU_BAR (f)); | |
ee78dc32 GV |
3149 | UNBLOCK_INPUT; |
3150 | ||
3151 | pt.x += (rt.right - rt.left); | |
3152 | pt.y += (rt.bottom - rt.top); | |
3153 | } | |
3154 | ||
3155 | /* Treat negative positions as relative to the leftmost bottommost | |
3156 | position that fits on the screen. */ | |
3157 | if (flags & XNegative) | |
3158 | f->output_data.win32->left_pos = (FRAME_WIN32_DISPLAY_INFO (f)->width | |
3159 | - 2 * f->output_data.win32->border_width - pt.x | |
3160 | - PIXEL_WIDTH (f) | |
3161 | + f->output_data.win32->left_pos); | |
3162 | ||
3163 | if (flags & YNegative) | |
3164 | f->output_data.win32->top_pos = (FRAME_WIN32_DISPLAY_INFO (f)->height | |
3165 | - 2 * f->output_data.win32->border_width - pt.y | |
3166 | - PIXEL_HEIGHT (f) | |
3167 | + f->output_data.win32->top_pos); | |
3168 | /* The left_pos and top_pos | |
3169 | are now relative to the top and left screen edges, | |
3170 | so the flags should correspond. */ | |
3171 | f->output_data.win32->size_hint_flags &= ~ (XNegative | YNegative); | |
3172 | } | |
3173 | ||
3174 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, | |
3175 | to really change the position, and 0 when calling from | |
3176 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
3177 | position values). It is -1 when calling from x_set_frame_parameters, | |
3178 | which means, do adjust for borders but don't change the gravity. */ | |
3179 | ||
3180 | x_set_offset (f, xoff, yoff, change_gravity) | |
3181 | struct frame *f; | |
3182 | register int xoff, yoff; | |
3183 | int change_gravity; | |
3184 | { | |
3185 | int modified_top, modified_left; | |
3186 | ||
3187 | if (change_gravity > 0) | |
3188 | { | |
3189 | f->output_data.win32->top_pos = yoff; | |
3190 | f->output_data.win32->left_pos = xoff; | |
3191 | f->output_data.win32->size_hint_flags &= ~ (XNegative | YNegative); | |
3192 | if (xoff < 0) | |
3193 | f->output_data.win32->size_hint_flags |= XNegative; | |
3194 | if (yoff < 0) | |
3195 | f->output_data.win32->size_hint_flags |= YNegative; | |
3196 | f->output_data.win32->win_gravity = NorthWestGravity; | |
3197 | } | |
3198 | x_calc_absolute_position (f); | |
3199 | ||
3200 | BLOCK_INPUT; | |
3201 | x_wm_set_size_hint (f, (long) 0, 0); | |
3202 | ||
3203 | /* It is a mystery why we need to add the border_width here | |
3204 | when the frame is already visible, but experiment says we do. */ | |
3205 | modified_left = f->output_data.win32->left_pos; | |
3206 | modified_top = f->output_data.win32->top_pos; | |
3207 | if (change_gravity != 0) | |
3208 | { | |
3209 | modified_left += f->output_data.win32->border_width; | |
3210 | modified_top += f->output_data.win32->border_width; | |
3211 | } | |
3212 | ||
52cf03a1 GV |
3213 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3214 | NULL, | |
3215 | modified_left, modified_top, | |
3216 | 0,0, | |
3217 | SWP_NOZORDER | SWP_NOSIZE); | |
ee78dc32 GV |
3218 | UNBLOCK_INPUT; |
3219 | } | |
3220 | ||
3221 | /* Call this to change the size of frame F's x-window. | |
3222 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
3223 | for this size change and subsequent size changes. | |
3224 | Otherwise we leave the window gravity unchanged. */ | |
3225 | ||
3226 | x_set_window_size (f, change_gravity, cols, rows) | |
3227 | struct frame *f; | |
3228 | int change_gravity; | |
3229 | int cols, rows; | |
3230 | { | |
3231 | int pixelwidth, pixelheight; | |
3232 | ||
3233 | BLOCK_INPUT; | |
3234 | ||
3235 | check_frame_size (f, &rows, &cols); | |
3236 | f->output_data.win32->vertical_scroll_bar_extra | |
3237 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3238 | ? 0 | |
3239 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
3240 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
3241 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.win32->font))); | |
3242 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3243 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
3244 | ||
3245 | f->output_data.win32->win_gravity = NorthWestGravity; | |
3246 | x_wm_set_size_hint (f, (long) 0, 0); | |
3247 | ||
3248 | { | |
3249 | RECT rect; | |
3250 | ||
3251 | rect.left = rect.top = 0; | |
3252 | rect.right = pixelwidth; | |
3253 | rect.bottom = pixelheight; | |
3254 | ||
97c23857 GV |
3255 | AdjustWindowRect(&rect, f->output_data.win32->dwStyle, |
3256 | FRAME_EXTERNAL_MENU_BAR (f)); | |
ee78dc32 GV |
3257 | |
3258 | /* All windows have an extra pixel */ | |
3259 | ||
52cf03a1 GV |
3260 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3261 | NULL, | |
3262 | 0, 0, | |
3263 | rect.right - rect.left + 1, | |
3264 | rect.bottom - rect.top + 1, | |
3265 | SWP_NOZORDER | SWP_NOMOVE); | |
ee78dc32 GV |
3266 | } |
3267 | ||
3268 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3269 | but the window manager will get around to dealing with the size | |
3270 | change request eventually, and we'll hear how it went when the | |
3271 | ConfigureNotify event gets here. | |
3272 | ||
3273 | We could just not bother storing any of this information here, | |
3274 | and let the ConfigureNotify event set everything up, but that | |
3275 | might be kind of confusing to the lisp code, since size changes | |
3276 | wouldn't be reported in the frame parameters until some random | |
3277 | point in the future when the ConfigureNotify event arrives. */ | |
3278 | change_frame_size (f, rows, cols, 0, 0); | |
3279 | PIXEL_WIDTH (f) = pixelwidth; | |
3280 | PIXEL_HEIGHT (f) = pixelheight; | |
3281 | ||
3282 | /* If cursor was outside the new size, mark it as off. */ | |
3283 | if (f->phys_cursor_y >= rows | |
3284 | || f->phys_cursor_x >= cols) | |
3285 | { | |
3286 | f->phys_cursor_x = -1; | |
3287 | f->phys_cursor_y = -1; | |
3288 | } | |
3289 | ||
3290 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to | |
3291 | receive in the ConfigureNotify event; if we get what we asked | |
3292 | for, then the event won't cause the screen to become garbaged, so | |
3293 | we have to make sure to do it here. */ | |
3294 | SET_FRAME_GARBAGED (f); | |
3295 | ||
3296 | UNBLOCK_INPUT; | |
3297 | } | |
3298 | \f | |
3299 | /* Mouse warping. */ | |
3300 | ||
1bcd16f2 MB |
3301 | void |
3302 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
3303 | struct frame *f; | |
3304 | int pix_x, pix_y; | |
3305 | { | |
3306 | BLOCK_INPUT; | |
3307 | ||
3308 | pix_x += f->output_data.win32->left_pos; | |
3309 | pix_y += f->output_data.win32->top_pos; | |
3310 | ||
3311 | SetCursorPos (pix_x, pix_y); | |
3312 | ||
3313 | UNBLOCK_INPUT; | |
3314 | } | |
3315 | ||
ee78dc32 GV |
3316 | void |
3317 | x_set_mouse_position (f, x, y) | |
3318 | struct frame *f; | |
3319 | int x, y; | |
3320 | { | |
3321 | int pix_x, pix_y; | |
3322 | ||
3323 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.win32->font) / 2; | |
3324 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.win32->line_height / 2; | |
3325 | ||
3326 | if (pix_x < 0) pix_x = 0; | |
3327 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3328 | ||
3329 | if (pix_y < 0) pix_y = 0; | |
3330 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
3331 | ||
1bcd16f2 | 3332 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
ee78dc32 GV |
3333 | } |
3334 | \f | |
3335 | /* focus shifting, raising and lowering. */ | |
3336 | ||
3337 | x_focus_on_frame (f) | |
3338 | struct frame *f; | |
3339 | { | |
3340 | } | |
3341 | ||
3342 | x_unfocus_frame (f) | |
3343 | struct frame *f; | |
3344 | { | |
3345 | } | |
3346 | ||
3347 | /* Raise frame F. */ | |
3348 | ||
3349 | x_raise_frame (f) | |
3350 | struct frame *f; | |
3351 | { | |
52cf03a1 | 3352 | // if (f->async_visible) |
ee78dc32 GV |
3353 | { |
3354 | BLOCK_INPUT; | |
52cf03a1 GV |
3355 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3356 | HWND_TOP, | |
3357 | 0, 0, 0, 0, | |
3358 | SWP_NOSIZE | SWP_NOMOVE); | |
ee78dc32 GV |
3359 | UNBLOCK_INPUT; |
3360 | } | |
3361 | } | |
3362 | ||
3363 | /* Lower frame F. */ | |
3364 | ||
3365 | x_lower_frame (f) | |
3366 | struct frame *f; | |
3367 | { | |
52cf03a1 | 3368 | // if (f->async_visible) |
ee78dc32 GV |
3369 | { |
3370 | BLOCK_INPUT; | |
52cf03a1 GV |
3371 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
3372 | HWND_BOTTOM, | |
3373 | 0, 0, 0, 0, | |
3374 | SWP_NOSIZE | SWP_NOMOVE); | |
ee78dc32 GV |
3375 | UNBLOCK_INPUT; |
3376 | } | |
3377 | } | |
3378 | ||
3379 | static void | |
3380 | win32_frame_raise_lower (f, raise) | |
3381 | FRAME_PTR f; | |
3382 | int raise; | |
3383 | { | |
3384 | if (raise) | |
3385 | x_raise_frame (f); | |
3386 | else | |
3387 | x_lower_frame (f); | |
3388 | } | |
3389 | \f | |
3390 | /* Change of visibility. */ | |
3391 | ||
3392 | /* This tries to wait until the frame is really visible. | |
3393 | However, if the window manager asks the user where to position | |
3394 | the frame, this will return before the user finishes doing that. | |
3395 | The frame will not actually be visible at that time, | |
3396 | but it will become visible later when the window manager | |
3397 | finishes with it. */ | |
3398 | ||
3399 | x_make_frame_visible (f) | |
3400 | struct frame *f; | |
3401 | { | |
3402 | BLOCK_INPUT; | |
3403 | ||
3404 | if (! FRAME_VISIBLE_P (f)) | |
3405 | { | |
3406 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
3407 | call x_set_offset a second time | |
3408 | if we get to x_make_frame_visible a second time | |
3409 | before the window gets really visible. */ | |
3410 | if (! FRAME_ICONIFIED_P (f) | |
52cf03a1 GV |
3411 | && ! f->output_data.win32->asked_for_visible) |
3412 | { | |
3413 | x_set_offset (f, f->output_data.win32->left_pos, f->output_data.win32->top_pos, 0); | |
3414 | // SetForegroundWindow (FRAME_WIN32_WINDOW (f)); | |
3415 | } | |
ee78dc32 GV |
3416 | |
3417 | f->output_data.win32->asked_for_visible = 1; | |
52cf03a1 GV |
3418 | |
3419 | my_show_window (FRAME_WIN32_WINDOW (f), SW_SHOWNORMAL); | |
ee78dc32 GV |
3420 | } |
3421 | ||
3422 | /* Synchronize to ensure Emacs knows the frame is visible | |
3423 | before we do anything else. We do this loop with input not blocked | |
3424 | so that incoming events are handled. */ | |
3425 | { | |
3426 | Lisp_Object frame; | |
3427 | int count = input_signal_count; | |
3428 | ||
3429 | /* This must come after we set COUNT. */ | |
3430 | UNBLOCK_INPUT; | |
3431 | ||
3432 | XSETFRAME (frame, f); | |
3433 | ||
3434 | while (1) | |
3435 | { | |
3436 | /* Once we have handled input events, | |
3437 | we should have received the MapNotify if one is coming. | |
3438 | So if we have not got it yet, stop looping. | |
3439 | Some window managers make their own decisions | |
3440 | about visibility. */ | |
3441 | if (input_signal_count != count) | |
3442 | break; | |
3443 | /* Machines that do polling rather than SIGIO have been observed | |
3444 | to go into a busy-wait here. So we'll fake an alarm signal | |
3445 | to let the handler know that there's something to be read. | |
3446 | We used to raise a real alarm, but it seems that the handler | |
3447 | isn't always enabled here. This is probably a bug. */ | |
3448 | if (input_polling_used ()) | |
3449 | { | |
3450 | /* It could be confusing if a real alarm arrives while processing | |
3451 | the fake one. Turn it off and let the handler reset it. */ | |
3452 | alarm (0); | |
3453 | input_poll_signal (); | |
3454 | } | |
3455 | /* Once we have handled input events, | |
3456 | we should have received the MapNotify if one is coming. | |
3457 | So if we have not got it yet, stop looping. | |
3458 | Some window managers make their own decisions | |
3459 | about visibility. */ | |
3460 | if (input_signal_count != count) | |
3461 | break; | |
3462 | } | |
3463 | FRAME_SAMPLE_VISIBILITY (f); | |
3464 | } | |
3465 | } | |
3466 | ||
3467 | /* Change from mapped state to withdrawn state. */ | |
3468 | ||
3469 | /* Make the frame visible (mapped and not iconified). */ | |
3470 | ||
3471 | x_make_frame_invisible (f) | |
3472 | struct frame *f; | |
3473 | { | |
3474 | Window window; | |
3475 | ||
3476 | /* Don't keep the highlight on an invisible frame. */ | |
3477 | if (FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame == f) | |
3478 | FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame = 0; | |
3479 | ||
3480 | BLOCK_INPUT; | |
3481 | ||
52cf03a1 | 3482 | my_show_window (FRAME_WIN32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
3483 | |
3484 | /* We can't distinguish this from iconification | |
3485 | just by the event that we get from the server. | |
3486 | So we can't win using the usual strategy of letting | |
3487 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
3488 | and synchronize with the server to make sure we agree. */ | |
3489 | f->visible = 0; | |
3490 | FRAME_ICONIFIED_P (f) = 0; | |
3491 | f->async_visible = 0; | |
3492 | f->async_iconified = 0; | |
3493 | ||
3494 | UNBLOCK_INPUT; | |
3495 | } | |
3496 | ||
3497 | /* Change window state from mapped to iconified. */ | |
3498 | ||
52cf03a1 GV |
3499 | void |
3500 | x_iconify_frame (f) | |
ee78dc32 GV |
3501 | struct frame *f; |
3502 | { | |
3503 | int result; | |
3504 | ||
3505 | /* Don't keep the highlight on an invisible frame. */ | |
3506 | if (FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame == f) | |
3507 | FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame = 0; | |
3508 | ||
3509 | if (f->async_iconified) | |
3510 | return; | |
3511 | ||
3512 | BLOCK_INPUT; | |
3513 | ||
52cf03a1 GV |
3514 | my_show_window (FRAME_WIN32_WINDOW (f), SW_SHOWMINIMIZED); |
3515 | /* The frame doesn't seem to be lowered automatically. */ | |
3516 | x_lower_frame (f); | |
ee78dc32 GV |
3517 | |
3518 | f->async_iconified = 1; | |
3519 | ||
3520 | UNBLOCK_INPUT; | |
3521 | } | |
3522 | \f | |
3523 | /* Destroy the window of frame F. */ | |
3524 | ||
3525 | x_destroy_window (f) | |
3526 | struct frame *f; | |
3527 | { | |
3528 | struct win32_display_info *dpyinfo = FRAME_WIN32_DISPLAY_INFO (f); | |
3529 | ||
3530 | BLOCK_INPUT; | |
3531 | ||
3532 | my_destroy_window (f, FRAME_WIN32_WINDOW (f)); | |
3533 | free_frame_menubar (f); | |
3534 | free_frame_faces (f); | |
3535 | ||
3536 | xfree (f->output_data.win32); | |
3537 | f->output_data.win32 = 0; | |
3538 | if (f == dpyinfo->win32_focus_frame) | |
3539 | dpyinfo->win32_focus_frame = 0; | |
3540 | if (f == dpyinfo->win32_focus_event_frame) | |
3541 | dpyinfo->win32_focus_event_frame = 0; | |
3542 | if (f == dpyinfo->win32_highlight_frame) | |
3543 | dpyinfo->win32_highlight_frame = 0; | |
3544 | ||
3545 | dpyinfo->reference_count--; | |
3546 | ||
3547 | if (f == dpyinfo->mouse_face_mouse_frame) | |
3548 | { | |
3549 | dpyinfo->mouse_face_beg_row | |
3550 | = dpyinfo->mouse_face_beg_col = -1; | |
3551 | dpyinfo->mouse_face_end_row | |
3552 | = dpyinfo->mouse_face_end_col = -1; | |
3553 | dpyinfo->mouse_face_window = Qnil; | |
3554 | } | |
3555 | ||
3556 | UNBLOCK_INPUT; | |
3557 | } | |
3558 | \f | |
3559 | /* Setting window manager hints. */ | |
3560 | ||
3561 | /* Set the normal size hints for the window manager, for frame F. | |
3562 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
3563 | that the window now has. | |
3564 | If USER_POSITION is nonzero, we set the USPosition | |
3565 | flag (this is useful when FLAGS is 0). */ | |
3566 | ||
3567 | x_wm_set_size_hint (f, flags, user_position) | |
3568 | struct frame *f; | |
3569 | long flags; | |
3570 | int user_position; | |
3571 | { | |
3572 | Window window = FRAME_WIN32_WINDOW (f); | |
3573 | ||
3574 | flexlines = f->height; | |
3575 | ||
97c23857 | 3576 | enter_crit (); |
ee78dc32 GV |
3577 | |
3578 | SetWindowLong (window, WND_X_UNITS_INDEX, FONT_WIDTH (f->output_data.win32->font)); | |
3579 | SetWindowLong (window, WND_Y_UNITS_INDEX, f->output_data.win32->line_height); | |
3580 | ||
97c23857 | 3581 | leave_crit (); |
ee78dc32 GV |
3582 | } |
3583 | ||
3584 | /* Window manager things */ | |
3585 | x_wm_set_icon_position (f, icon_x, icon_y) | |
3586 | struct frame *f; | |
3587 | int icon_x, icon_y; | |
3588 | { | |
3589 | #if 0 | |
3590 | Window window = FRAME_WIN32_WINDOW (f); | |
3591 | ||
3592 | f->display.x->wm_hints.flags |= IconPositionHint; | |
3593 | f->display.x->wm_hints.icon_x = icon_x; | |
3594 | f->display.x->wm_hints.icon_y = icon_y; | |
3595 | ||
3596 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
3597 | #endif | |
3598 | } | |
3599 | ||
3600 | \f | |
3601 | /* Initialization. */ | |
3602 | ||
3603 | #ifdef USE_X_TOOLKIT | |
3604 | static XrmOptionDescRec emacs_options[] = { | |
3605 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
3606 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
3607 | ||
3608 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
3609 | XrmoptionSepArg, NULL}, | |
3610 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
3611 | ||
3612 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
3613 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
3614 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
3615 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
3616 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
3617 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
3618 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
3619 | }; | |
3620 | #endif /* USE_X_TOOLKIT */ | |
3621 | ||
3622 | static int win32_initialized = 0; | |
3623 | ||
3624 | struct win32_display_info * | |
3625 | win32_term_init (display_name, xrm_option, resource_name) | |
3626 | Lisp_Object display_name; | |
3627 | char *xrm_option; | |
3628 | char *resource_name; | |
3629 | { | |
3630 | Lisp_Object frame; | |
3631 | char *defaultvalue; | |
3632 | struct win32_display_info *dpyinfo; | |
3633 | HDC hdc; | |
97c23857 | 3634 | |
ee78dc32 GV |
3635 | BLOCK_INPUT; |
3636 | ||
3637 | if (!win32_initialized) | |
3638 | { | |
3639 | win32_initialize (); | |
3640 | win32_initialized = 1; | |
3641 | } | |
3642 | ||
3643 | { | |
3644 | int argc = 0; | |
3645 | char *argv[3]; | |
3646 | ||
3647 | argv[0] = ""; | |
3648 | argc = 1; | |
3649 | if (xrm_option) | |
3650 | { | |
3651 | argv[argc++] = "-xrm"; | |
3652 | argv[argc++] = xrm_option; | |
3653 | } | |
3654 | } | |
3655 | ||
3656 | dpyinfo = &one_win32_display_info; | |
3657 | ||
3658 | /* Put this display on the chain. */ | |
3659 | dpyinfo->next = NULL; | |
3660 | ||
3661 | /* Put it on win32_display_name_list as well, to keep them parallel. */ | |
3662 | win32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
3663 | win32_display_name_list); | |
3664 | dpyinfo->name_list_element = XCONS (win32_display_name_list)->car; | |
97c23857 | 3665 | |
ee78dc32 GV |
3666 | dpyinfo->win32_id_name |
3667 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
3668 | + XSTRING (Vsystem_name)->size | |
3669 | + 2); | |
3670 | sprintf (dpyinfo->win32_id_name, "%s@%s", | |
3671 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
3672 | ||
3673 | #if 0 | |
3674 | xrdb = x_load_resources (dpyinfo->display, xrm_option, | |
3675 | resource_name, EMACS_CLASS); | |
3676 | ||
3677 | /* Put the rdb where we can find it in a way that works on | |
3678 | all versions. */ | |
3679 | dpyinfo->xrdb = xrdb; | |
3680 | #endif | |
52cf03a1 | 3681 | hdc = GetDC (GetDesktopWindow ()); |
ee78dc32 GV |
3682 | |
3683 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); | |
3684 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
3685 | dpyinfo->root_window = GetDesktopWindow (); | |
3686 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
3687 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
3688 | dpyinfo->height_in = GetDeviceCaps (hdc, LOGPIXELSX); | |
3689 | dpyinfo->width_in = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 3690 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
ee78dc32 GV |
3691 | dpyinfo->grabbed = 0; |
3692 | dpyinfo->reference_count = 0; | |
3693 | dpyinfo->n_fonts = 0; | |
3694 | dpyinfo->font_table_size = 0; | |
3695 | dpyinfo->bitmaps = 0; | |
3696 | dpyinfo->bitmaps_size = 0; | |
3697 | dpyinfo->bitmaps_last = 0; | |
3698 | dpyinfo->mouse_face_mouse_frame = 0; | |
3699 | dpyinfo->mouse_face_deferred_gc = 0; | |
3700 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
3701 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
3702 | dpyinfo->mouse_face_face_id = 0; | |
3703 | dpyinfo->mouse_face_window = Qnil; | |
3704 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
3705 | dpyinfo->mouse_face_defer = 0; | |
3706 | dpyinfo->win32_focus_frame = 0; | |
3707 | dpyinfo->win32_focus_event_frame = 0; | |
3708 | dpyinfo->win32_highlight_frame = 0; | |
3709 | ||
3710 | ReleaseDC (GetDesktopWindow (), hdc); | |
3711 | ||
52cf03a1 GV |
3712 | /* Determine if there is a middle mouse button, to allow parse_button |
3713 | to decide whether right mouse events should be mouse-2 or | |
3714 | mouse-3. */ | |
3715 | XSETINT (Vwin32_num_mouse_buttons, GetSystemMetrics (SM_CMOUSEBUTTONS)); | |
3716 | ||
3717 | /* initialise palette with white and black */ | |
3718 | { | |
3719 | COLORREF color; | |
3720 | defined_color (0, "white", &color, 1); | |
3721 | defined_color (0, "black", &color, 1); | |
3722 | } | |
3723 | ||
ee78dc32 GV |
3724 | #ifndef F_SETOWN_BUG |
3725 | #ifdef F_SETOWN | |
3726 | #ifdef F_SETOWN_SOCK_NEG | |
3727 | /* stdin is a socket here */ | |
3728 | fcntl (connection, F_SETOWN, -getpid ()); | |
3729 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
3730 | fcntl (connection, F_SETOWN, getpid ()); | |
3731 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
3732 | #endif /* ! defined (F_SETOWN) */ | |
3733 | #endif /* F_SETOWN_BUG */ | |
3734 | ||
3735 | #ifdef SIGIO | |
3736 | if (interrupt_input) | |
3737 | init_sigio (connection); | |
3738 | #endif /* ! defined (SIGIO) */ | |
3739 | ||
3740 | UNBLOCK_INPUT; | |
3741 | ||
3742 | return dpyinfo; | |
3743 | } | |
3744 | \f | |
3745 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
3746 | ||
3747 | void | |
3748 | x_delete_display (dpyinfo) | |
3749 | struct win32_display_info *dpyinfo; | |
3750 | { | |
3751 | /* Discard this display from win32_display_name_list and win32_display_list. | |
3752 | We can't use Fdelq because that can quit. */ | |
3753 | if (! NILP (win32_display_name_list) | |
3754 | && EQ (XCONS (win32_display_name_list)->car, dpyinfo->name_list_element)) | |
3755 | win32_display_name_list = XCONS (win32_display_name_list)->cdr; | |
3756 | else | |
3757 | { | |
3758 | Lisp_Object tail; | |
3759 | ||
3760 | tail = win32_display_name_list; | |
3761 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
3762 | { | |
3763 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
3764 | dpyinfo->name_list_element)) | |
3765 | { | |
3766 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
3767 | break; | |
3768 | } | |
3769 | tail = XCONS (tail)->cdr; | |
3770 | } | |
3771 | } | |
3772 | ||
52cf03a1 GV |
3773 | /* free palette table */ |
3774 | { | |
3775 | struct win32_palette_entry * plist; | |
3776 | ||
3777 | plist = dpyinfo->color_list; | |
3778 | while (plist) | |
3779 | { | |
3780 | struct win32_palette_entry * pentry = plist; | |
3781 | plist = plist->next; | |
3782 | xfree(pentry); | |
3783 | } | |
3784 | dpyinfo->color_list = NULL; | |
3785 | if (dpyinfo->palette) | |
3786 | DeleteObject(dpyinfo->palette); | |
3787 | } | |
ee78dc32 GV |
3788 | xfree (dpyinfo->font_table); |
3789 | xfree (dpyinfo->win32_id_name); | |
3790 | } | |
3791 | \f | |
3792 | /* Set up use of Win32. */ | |
3793 | ||
3794 | DWORD win_msg_worker (); | |
3795 | ||
3796 | win32_initialize () | |
3797 | { | |
3798 | clear_frame_hook = win32_clear_frame; | |
3799 | clear_end_of_line_hook = win32_clear_end_of_line; | |
3800 | ins_del_lines_hook = win32_ins_del_lines; | |
3801 | change_line_highlight_hook = win32_change_line_highlight; | |
3802 | insert_glyphs_hook = win32_insert_glyphs; | |
3803 | write_glyphs_hook = win32_write_glyphs; | |
3804 | delete_glyphs_hook = win32_delete_glyphs; | |
3805 | ring_bell_hook = win32_ring_bell; | |
3806 | reset_terminal_modes_hook = win32_reset_terminal_modes; | |
3807 | set_terminal_modes_hook = win32_set_terminal_modes; | |
3808 | update_begin_hook = win32_update_begin; | |
3809 | update_end_hook = win32_update_end; | |
3810 | set_terminal_window_hook = win32_set_terminal_window; | |
3811 | read_socket_hook = w32_read_socket; | |
3812 | frame_up_to_date_hook = win32_frame_up_to_date; | |
3813 | cursor_to_hook = win32_cursor_to; | |
3814 | reassert_line_highlight_hook = win32_reassert_line_highlight; | |
3815 | mouse_position_hook = win32_mouse_position; | |
3816 | frame_rehighlight_hook = win32_frame_rehighlight; | |
3817 | frame_raise_lower_hook = win32_frame_raise_lower; | |
3818 | set_vertical_scroll_bar_hook = win32_set_vertical_scroll_bar; | |
3819 | condemn_scroll_bars_hook = win32_condemn_scroll_bars; | |
3820 | redeem_scroll_bar_hook = win32_redeem_scroll_bar; | |
3821 | judge_scroll_bars_hook = win32_judge_scroll_bars; | |
3822 | ||
3823 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
3824 | char_ins_del_ok = 0; /* just as fast to write the line */ | |
3825 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
3826 | fast_clear_end_of_line = 1; /* X does this well */ | |
3827 | memory_below_frame = 0; /* we don't remember what scrolls | |
3828 | off the bottom */ | |
3829 | baud_rate = 19200; | |
3830 | ||
3831 | /* Try to use interrupt input; if we can't, then start polling. */ | |
3832 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
3833 | ||
3834 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
3835 | ||
3836 | init_crit (); | |
3837 | ||
3838 | dwMainThreadId = GetCurrentThreadId (); | |
3839 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
3840 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
3841 | ||
3842 | /* Wait for thread to start */ | |
3843 | ||
3844 | { | |
3845 | MSG msg; | |
3846 | ||
3847 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
3848 | ||
3849 | hWinThread = CreateThread (NULL, 0, | |
3850 | (LPTHREAD_START_ROUTINE) win_msg_worker, | |
3851 | 0, 0, &dwWinThreadId); | |
3852 | ||
3853 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
3854 | } | |
3855 | ||
52cf03a1 GV |
3856 | /* It is desirable that mainThread should have the same notion of |
3857 | focus window and active window as winThread. Unfortunately, the | |
3858 | following call to AttachThreadInput, which should do precisely what | |
3859 | we need, causes major problems when Emacs is linked as a console | |
3860 | program. Unfortunately, we have good reasons for doing that, so | |
3861 | instead we need to send messages to winThread to make some API | |
3862 | calls for us (ones that affect, or depend on, the active/focus | |
3863 | window state. */ | |
3864 | #ifdef ATTACH_THREADS | |
a92989c3 | 3865 | AttachThreadInput (dwMainThreadId, dwWinThreadId, TRUE); |
52cf03a1 | 3866 | #endif |
ee78dc32 GV |
3867 | } |
3868 | ||
3869 | void | |
3870 | syms_of_win32term () | |
3871 | { | |
3872 | staticpro (&win32_display_name_list); | |
3873 | win32_display_name_list = Qnil; | |
3874 | ||
3875 | staticpro (&last_mouse_scroll_bar); | |
3876 | last_mouse_scroll_bar = Qnil; | |
3877 | ||
3878 | staticpro (&Qvendor_specific_keysyms); | |
3879 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 GV |
3880 | |
3881 | DEFVAR_INT ("win32-num-mouse-buttons", | |
3882 | &Vwin32_num_mouse_buttons, | |
3883 | "Number of physical mouse buttons."); | |
3884 | Vwin32_num_mouse_buttons = Qnil; | |
3885 | ||
3886 | DEFVAR_LISP ("win32-swap-mouse-buttons", | |
3887 | &Vwin32_swap_mouse_buttons, | |
3888 | "Swap the mapping of middle and right mouse buttons.\n\ | |
3889 | When nil, middle button is mouse-2 and right button is mouse-3."); | |
3890 | Vwin32_swap_mouse_buttons = Qnil; | |
ee78dc32 | 3891 | } |