Commit | Line | Data |
---|---|---|
e9e23e23 | 1 | /* Implementation of GUI terminal on the Microsoft W32 API. |
cabb23bc | 2 | Copyright (C) 1989, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc. |
ee78dc32 GV |
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 | 20 | |
ee78dc32 GV |
21 | #include <signal.h> |
22 | #include <config.h> | |
23 | #include <stdio.h> | |
24 | #include "lisp.h" | |
2091aeb2 | 25 | #include "charset.h" |
cabb23bc | 26 | #include "fontset.h" |
ee78dc32 GV |
27 | #include "blockinput.h" |
28 | ||
e12ca9c2 | 29 | #include "w32heap.h" |
689004fa | 30 | #include "w32term.h" |
12857dfd | 31 | #include <shellapi.h> |
ee78dc32 GV |
32 | |
33 | #include "systty.h" | |
34 | #include "systime.h" | |
35 | ||
36 | #include <ctype.h> | |
37 | #include <errno.h> | |
38 | #include <setjmp.h> | |
39 | #include <sys/stat.h> | |
40 | ||
41 | #include "frame.h" | |
42 | #include "dispextern.h" | |
43 | #include "termhooks.h" | |
44 | #include "termopts.h" | |
45 | #include "termchar.h" | |
46 | #include "gnu.h" | |
47 | #include "disptab.h" | |
48 | #include "buffer.h" | |
49 | #include "window.h" | |
50 | #include "keyboard.h" | |
51 | #include "intervals.h" | |
ef0e360f | 52 | #include "coding.h" |
ee78dc32 | 53 | |
03887dd3 KH |
54 | #undef min |
55 | #undef max | |
56 | #define min(x, y) (((x) < (y)) ? (x) : (y)) | |
57 | #define max(x, y) (((x) > (y)) ? (x) : (y)) | |
58 | ||
cabb23bc | 59 | #define CP_DEFAULT 1004 |
cabb23bc | 60 | |
e7efd97e GV |
61 | extern unsigned int msh_mousewheel; |
62 | ||
ee78dc32 GV |
63 | extern void free_frame_menubar (); |
64 | ||
52cf03a1 GV |
65 | extern Lisp_Object Vwindow_system; |
66 | ||
ee78dc32 GV |
67 | #define x_any_window_to_frame x_window_to_frame |
68 | #define x_top_window_to_frame x_window_to_frame | |
69 | ||
70 | \f | |
fbd6baed GV |
71 | /* This is display since w32 does not support multiple ones. */ |
72 | struct w32_display_info one_w32_display_info; | |
ee78dc32 GV |
73 | |
74 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
fbd6baed | 75 | one for each element of w32_display_list and in the same order. |
ee78dc32 GV |
76 | NAME is the name of the frame. |
77 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
fbd6baed | 78 | Lisp_Object w32_display_name_list; |
ee78dc32 GV |
79 | |
80 | /* Frame being updated by update_frame. This is declared in term.c. | |
81 | This is set by update_begin and looked at by all the | |
fbd6baed GV |
82 | w32 functions. It is zero while not inside an update. |
83 | In that case, the w32 functions assume that `selected_frame' | |
ee78dc32 GV |
84 | is the frame to apply to. */ |
85 | extern struct frame *updating_frame; | |
86 | ||
87 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
88 | struct frame *pending_autoraise_frame; | |
89 | ||
90 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
91 | ||
92 | static int flexlines; | |
93 | ||
94 | /* During an update, nonzero if chars output now should be highlighted. */ | |
95 | ||
96 | static int highlight; | |
97 | ||
98 | /* Nominal cursor position -- where to draw output. | |
99 | During an update, these are different from the cursor-box position. */ | |
100 | ||
101 | static int curs_x; | |
102 | static int curs_y; | |
103 | ||
484fa2c1 | 104 | /* Flag to enable Unicode output in case users wish to use programs |
cabb23bc GV |
105 | like Twinbridge on '95 rather than installed system level support |
106 | for Far East languages. */ | |
484fa2c1 | 107 | int w32_enable_unicode_output; |
cabb23bc | 108 | |
e9e23e23 GV |
109 | DWORD dwWindowsThreadId = 0; |
110 | HANDLE hWindowsThread = NULL; | |
ee78dc32 GV |
111 | DWORD dwMainThreadId = 0; |
112 | HANDLE hMainThread = NULL; | |
113 | ||
689004fa GV |
114 | #ifndef SIF_ALL |
115 | /* These definitions are new with Windows 95. */ | |
116 | #define SIF_RANGE 0x0001 | |
117 | #define SIF_PAGE 0x0002 | |
118 | #define SIF_POS 0x0004 | |
119 | #define SIF_DISABLENOSCROLL 0x0008 | |
120 | #define SIF_TRACKPOS 0x0010 | |
121 | #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS) | |
122 | ||
123 | typedef struct tagSCROLLINFO | |
124 | { | |
125 | UINT cbSize; | |
126 | UINT fMask; | |
127 | int nMin; | |
128 | int nMax; | |
129 | UINT nPage; | |
130 | int nPos; | |
131 | int nTrackPos; | |
132 | } SCROLLINFO, FAR *LPSCROLLINFO; | |
133 | typedef SCROLLINFO CONST FAR *LPCSCROLLINFO; | |
134 | #endif /* SIF_ALL */ | |
135 | ||
136 | /* Dynamic linking to new proportional scroll bar functions. */ | |
137 | int (PASCAL *pfnSetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw); | |
138 | BOOL (PASCAL *pfnGetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi); | |
139 | ||
140 | int vertical_scroll_bar_min_handle; | |
141 | int vertical_scroll_bar_top_border; | |
142 | int vertical_scroll_bar_bottom_border; | |
143 | ||
144 | int last_scroll_bar_drag_pos; | |
145 | ||
ee78dc32 GV |
146 | /* Mouse movement. */ |
147 | ||
148 | /* Where the mouse was last time we reported a mouse event. */ | |
149 | static FRAME_PTR last_mouse_frame; | |
150 | static RECT last_mouse_glyph; | |
151 | ||
fbd6baed | 152 | Lisp_Object Vw32_num_mouse_buttons; |
52cf03a1 | 153 | |
fbd6baed | 154 | Lisp_Object Vw32_swap_mouse_buttons; |
52cf03a1 | 155 | |
689004fa GV |
156 | /* Control whether x_raise_frame also sets input focus. */ |
157 | Lisp_Object Vw32_grab_focus_on_raise; | |
158 | ||
159 | /* Control whether Caps Lock affects non-ascii characters. */ | |
160 | Lisp_Object Vw32_capslock_is_shiftlock; | |
161 | ||
ef0e360f GV |
162 | /* Control whether right-alt and left-ctrl should be recognized as AltGr. */ |
163 | Lisp_Object Vw32_recognize_altgr; | |
164 | ||
ee78dc32 GV |
165 | /* The scroll bar in which the last motion event occurred. |
166 | ||
167 | If the last motion event occurred in a scroll bar, we set this | |
fbd6baed | 168 | so w32_mouse_position can know whether to report a scroll bar motion or |
ee78dc32 GV |
169 | an ordinary motion. |
170 | ||
171 | If the last motion event didn't occur in a scroll bar, we set this | |
fbd6baed | 172 | to Qnil, to tell w32_mouse_position to return an ordinary motion event. */ |
ee78dc32 GV |
173 | Lisp_Object last_mouse_scroll_bar; |
174 | int last_mouse_scroll_bar_pos; | |
175 | ||
fbd6baed | 176 | /* This is a hack. We would really prefer that w32_mouse_position would |
ee78dc32 GV |
177 | return the time associated with the position it returns, but there |
178 | doesn't seem to be any way to wrest the timestamp from the server | |
179 | along with the position query. So, we just keep track of the time | |
180 | of the last movement we received, and return that in hopes that | |
181 | it's somewhat accurate. */ | |
182 | Time last_mouse_movement_time; | |
183 | ||
a1b9438c GV |
184 | /* Associative list linking character set strings to Windows codepages. */ |
185 | Lisp_Object Vw32_charset_to_codepage_alist; | |
186 | ||
ee78dc32 GV |
187 | /* Incremented by w32_read_socket whenever it really tries to read events. */ |
188 | #ifdef __STDC__ | |
189 | static int volatile input_signal_count; | |
190 | #else | |
191 | static int input_signal_count; | |
192 | #endif | |
193 | ||
194 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
195 | ||
196 | extern Lisp_Object Qface, Qmouse_face; | |
197 | ||
198 | extern int errno; | |
199 | ||
200 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
201 | extern int extra_keyboard_modifiers; | |
202 | ||
203 | static Lisp_Object Qvendor_specific_keysyms; | |
204 | ||
fbd6baed | 205 | void w32_delete_display (); |
ee78dc32 GV |
206 | |
207 | static void redraw_previous_char (); | |
208 | static void redraw_following_char (); | |
fbd6baed | 209 | static unsigned int w32_get_modifiers (); |
ee78dc32 GV |
210 | |
211 | static int fast_find_position (); | |
212 | static void note_mouse_highlight (); | |
213 | static void clear_mouse_face (); | |
214 | static void show_mouse_face (); | |
215 | static void do_line_dance (); | |
216 | ||
96214669 GV |
217 | /* Forward declarations for term hooks. Consistency with the rest of Emacs |
218 | requires the use of K&R functions prototypes. However, MSVC does not | |
219 | pick up the function prototypes correctly with K&R function definitions, | |
220 | and so we declare them first to give a little help to MSVC. */ | |
221 | static void w32_clear_frame (); | |
222 | static void w32_clear_end_of_line (int); | |
223 | static void w32_ins_del_lines (int, int); | |
224 | static void w32_change_line_highlight (int, int, int); | |
225 | static void w32_insert_glyphs (GLYPH *, int); | |
226 | static void w32_write_glyphs (GLYPH *, int); | |
227 | static void w32_delete_glyphs (int); | |
228 | static void w32_ring_bell (); | |
229 | static void w32_reset_terminal_modes (); | |
230 | static void w32_set_terminal_modes (); | |
231 | static void w32_update_begin (FRAME_PTR); | |
232 | static void w32_update_end (FRAME_PTR); | |
233 | static void w32_set_terminal_window (int); | |
234 | extern int w32_read_socket (int, struct input_event *, int, int); | |
235 | static void w32_frame_up_to_date (FRAME_PTR); | |
236 | static void w32_cursor_to (int, int); | |
237 | static void w32_reassert_line_highlight (int, int); | |
238 | static void w32_mouse_position (FRAME_PTR *, int, Lisp_Object *, | |
239 | enum scroll_bar_part *, Lisp_Object *, | |
240 | Lisp_Object *, unsigned long *); | |
241 | static void w32_frame_rehighlight (FRAME_PTR); | |
242 | static void w32_frame_raise_lower (FRAME_PTR, int); | |
243 | static void w32_set_vertical_scroll_bar (struct window *, int, int, int); | |
244 | static void w32_condemn_scroll_bars (FRAME_PTR); | |
245 | static void w32_redeem_scroll_bar (struct window *); | |
246 | static void w32_judge_scroll_bars (FRAME_PTR); | |
ee78dc32 GV |
247 | \f |
248 | #if 0 | |
249 | /* This is a function useful for recording debugging information | |
250 | about the sequence of occurrences in this file. */ | |
251 | ||
252 | struct record | |
253 | { | |
254 | char *locus; | |
255 | int type; | |
256 | }; | |
257 | ||
258 | struct record event_record[100]; | |
259 | ||
260 | int event_record_index; | |
261 | ||
262 | record_event (locus, type) | |
263 | char *locus; | |
264 | int type; | |
265 | { | |
266 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
267 | event_record_index = 0; | |
268 | ||
269 | event_record[event_record_index].locus = locus; | |
270 | event_record[event_record_index].type = type; | |
271 | event_record_index++; | |
272 | } | |
273 | ||
274 | #endif /* 0 */ | |
275 | \f | |
fbd6baed | 276 | /* Return the struct w32_display_info. */ |
ee78dc32 | 277 | |
fbd6baed GV |
278 | struct w32_display_info * |
279 | w32_display_info_for_display () | |
ee78dc32 | 280 | { |
fbd6baed | 281 | return (&one_w32_display_info); |
ee78dc32 GV |
282 | } |
283 | ||
284 | void | |
fbd6baed | 285 | w32_fill_rect (f, _hdc, pix, lprect) |
ee78dc32 GV |
286 | FRAME_PTR f; |
287 | HDC _hdc; | |
288 | COLORREF pix; | |
289 | RECT * lprect; | |
290 | { | |
291 | HDC hdc; | |
292 | HBRUSH hb; | |
ee78dc32 GV |
293 | RECT rect; |
294 | ||
295 | if (_hdc) | |
296 | hdc = _hdc; | |
297 | else | |
298 | { | |
299 | if (!f) return; | |
52cf03a1 | 300 | hdc = get_frame_dc (f); |
ee78dc32 GV |
301 | } |
302 | ||
303 | hb = CreateSolidBrush (pix); | |
ee78dc32 | 304 | FillRect (hdc, lprect, hb); |
ee78dc32 GV |
305 | DeleteObject (hb); |
306 | ||
307 | if (!_hdc) | |
52cf03a1 | 308 | release_frame_dc (f, hdc); |
ee78dc32 GV |
309 | } |
310 | ||
311 | void | |
fbd6baed | 312 | w32_clear_window (f) |
ee78dc32 GV |
313 | FRAME_PTR f; |
314 | { | |
315 | RECT rect; | |
52cf03a1 | 316 | |
fbd6baed GV |
317 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
318 | w32_clear_rect (f, NULL, &rect); | |
ee78dc32 GV |
319 | } |
320 | ||
321 | \f | |
322 | /* Starting and ending updates. | |
323 | ||
324 | These hooks are called by update_frame at the beginning and end | |
325 | of a frame update. We record in `updating_frame' the identity | |
fbd6baed GV |
326 | of the frame being updated, so that the w32_... functions do not |
327 | need to take a frame as argument. Most of the w32_... functions | |
ee78dc32 | 328 | should never be called except during an update, the only exceptions |
fbd6baed | 329 | being w32_cursor_to, w32_write_glyphs and w32_reassert_line_highlight. */ |
ee78dc32 | 330 | |
96214669 | 331 | static void |
fbd6baed | 332 | w32_update_begin (f) |
ee78dc32 GV |
333 | struct frame *f; |
334 | { | |
335 | if (f == 0) | |
336 | abort (); | |
337 | ||
338 | flexlines = f->height; | |
339 | highlight = 0; | |
340 | ||
341 | BLOCK_INPUT; | |
342 | ||
52cf03a1 GV |
343 | /* Regenerate display palette before drawing if list of requested |
344 | colors has changed. */ | |
fbd6baed | 345 | if (FRAME_W32_DISPLAY_INFO (f)->regen_palette) |
52cf03a1 | 346 | { |
fbd6baed GV |
347 | w32_regenerate_palette (f); |
348 | FRAME_W32_DISPLAY_INFO (f)->regen_palette = FALSE; | |
52cf03a1 GV |
349 | } |
350 | ||
fbd6baed | 351 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
ee78dc32 GV |
352 | { |
353 | /* Don't do highlighting for mouse motion during the update. */ | |
fbd6baed | 354 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 1; |
ee78dc32 GV |
355 | |
356 | /* If the frame needs to be redrawn, | |
357 | simply forget about any prior mouse highlighting. */ | |
358 | if (FRAME_GARBAGED_P (f)) | |
fbd6baed | 359 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
ee78dc32 | 360 | |
fbd6baed | 361 | if (!NILP (FRAME_W32_DISPLAY_INFO (f)->mouse_face_window)) |
ee78dc32 GV |
362 | { |
363 | int firstline, lastline, i; | |
fbd6baed | 364 | struct window *w = XWINDOW (FRAME_W32_DISPLAY_INFO (f)->mouse_face_window); |
ee78dc32 GV |
365 | |
366 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
367 | for (firstline = 0; firstline < f->height; firstline++) | |
368 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
369 | break; | |
370 | ||
371 | lastline = f->height; | |
372 | for (i = f->height - 1; i >= 0; i--) | |
373 | { | |
374 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
375 | break; | |
376 | else | |
377 | lastline = i; | |
378 | } | |
379 | ||
380 | /* Can we tell that this update does not affect the window | |
381 | where the mouse highlight is? If so, no need to turn off. | |
382 | Likewise, don't do anything if the frame is garbaged; | |
383 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
384 | are all wrong, and we will redisplay that line anyway. */ | |
385 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
386 | || lastline < XFASTINT (w->top))) | |
fbd6baed | 387 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
ee78dc32 GV |
388 | } |
389 | } | |
390 | ||
391 | UNBLOCK_INPUT; | |
392 | } | |
393 | ||
96214669 | 394 | static void |
fbd6baed | 395 | w32_update_end (f) |
ee78dc32 GV |
396 | struct frame *f; |
397 | { | |
398 | BLOCK_INPUT; | |
399 | ||
400 | do_line_dance (); | |
401 | x_display_cursor (f, 1); | |
402 | ||
fbd6baed GV |
403 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
404 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
ee78dc32 GV |
405 | |
406 | UNBLOCK_INPUT; | |
407 | } | |
408 | ||
409 | /* This is called after a redisplay on frame F. */ | |
410 | ||
96214669 | 411 | static void |
fbd6baed | 412 | w32_frame_up_to_date (f) |
ee78dc32 GV |
413 | FRAME_PTR f; |
414 | { | |
689004fa | 415 | BLOCK_INPUT; |
fbd6baed GV |
416 | if (FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc |
417 | || f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
ee78dc32 | 418 | { |
fbd6baed GV |
419 | note_mouse_highlight (FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
420 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
421 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
422 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
ee78dc32 | 423 | } |
689004fa | 424 | UNBLOCK_INPUT; |
ee78dc32 GV |
425 | } |
426 | \f | |
427 | /* External interface to control of standout mode. | |
428 | Call this when about to modify line at position VPOS | |
429 | and not change whether it is highlighted. */ | |
430 | ||
96214669 | 431 | static void |
fbd6baed | 432 | w32_reassert_line_highlight (new, vpos) |
ee78dc32 GV |
433 | int new, vpos; |
434 | { | |
435 | highlight = new; | |
436 | } | |
437 | ||
438 | /* Call this when about to modify line at position VPOS | |
439 | and change whether it is highlighted. */ | |
440 | ||
96214669 | 441 | static void |
fbd6baed | 442 | w32_change_line_highlight (new_highlight, vpos, first_unused_hpos) |
ee78dc32 GV |
443 | int new_highlight, vpos, first_unused_hpos; |
444 | { | |
445 | highlight = new_highlight; | |
fbd6baed GV |
446 | w32_cursor_to (vpos, 0); |
447 | w32_clear_end_of_line (updating_frame->width); | |
ee78dc32 GV |
448 | } |
449 | ||
450 | /* This is used when starting Emacs and when restarting after suspend. | |
451 | When starting Emacs, no window is mapped. And nothing must be done | |
452 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
453 | ||
96214669 GV |
454 | static void |
455 | w32_set_terminal_modes (void) | |
ee78dc32 GV |
456 | { |
457 | } | |
458 | ||
459 | /* This is called when exiting or suspending Emacs. | |
fbd6baed | 460 | Exiting will make the W32 windows go away, and suspending |
ee78dc32 GV |
461 | requires no action. */ |
462 | ||
96214669 GV |
463 | static void |
464 | w32_reset_terminal_modes (void) | |
ee78dc32 GV |
465 | { |
466 | } | |
467 | \f | |
468 | /* Set the nominal cursor position of the frame. | |
469 | This is where display update commands will take effect. | |
470 | This does not affect the place where the cursor-box is displayed. */ | |
471 | ||
96214669 | 472 | static void |
fbd6baed | 473 | w32_cursor_to (row, col) |
ee78dc32 GV |
474 | register int row, col; |
475 | { | |
476 | int orow = row; | |
477 | ||
478 | curs_x = col; | |
479 | curs_y = row; | |
480 | ||
481 | if (updating_frame == 0) | |
482 | { | |
483 | BLOCK_INPUT; | |
484 | x_display_cursor (selected_frame, 1); | |
485 | UNBLOCK_INPUT; | |
486 | } | |
487 | } | |
488 | \f | |
a1b9438c GV |
489 | /* Get the Windows codepage corresponding to the specified font. The |
490 | charset info in the font name is used to look up | |
491 | w32-charset-to-codepage-alist. */ | |
cabb23bc | 492 | int |
a1b9438c | 493 | w32_codepage_for_font (char *fontname) |
cabb23bc | 494 | { |
a1b9438c GV |
495 | Lisp_Object codepage; |
496 | char charset_str[20], *charset, *end; | |
497 | ||
498 | /* Extract charset part of font string. */ | |
499 | if (sscanf (fontname, | |
500 | "-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%19s", | |
501 | charset_str) == EOF) | |
502 | return CP_DEFAULT; | |
503 | ||
504 | /* Remove leading "*-". */ | |
505 | if (strncmp ("*-", charset_str, 2) == 0) | |
506 | charset = charset_str + 2; | |
507 | else | |
508 | charset = charset_str; | |
509 | ||
510 | /* Stop match at wildcard (including preceding '-'). */ | |
511 | if (end = strchr (charset, '*')) | |
512 | { | |
513 | if (end > charset && *(end-1) == '-') | |
514 | end--; | |
515 | *end = '\0'; | |
516 | } | |
517 | ||
518 | codepage = Fcdr (Fassoc (build_string(charset), | |
519 | Vw32_charset_to_codepage_alist)); | |
520 | ||
521 | if (INTEGERP (codepage)) | |
522 | return XINT (codepage); | |
523 | else | |
cabb23bc GV |
524 | return CP_DEFAULT; |
525 | } | |
526 | ||
527 | BOOL | |
528 | w32_use_unicode_for_codepage (codepage) | |
529 | { | |
530 | /* If the current codepage is supported, use Unicode for output. */ | |
484fa2c1 | 531 | return (w32_enable_unicode_output |
cabb23bc GV |
532 | && codepage != CP_DEFAULT && IsValidCodePage (codepage)); |
533 | } | |
534 | ||
535 | /* Dealing with bits of wchar_t as if they were an XChar2B. */ | |
536 | #define BUILD_WCHAR_T(byte1, byte2) \ | |
537 | ((wchar_t)(((byte1 & 0x00ff) << 8) | (byte2 & 0x00ff))) | |
538 | ||
539 | ||
540 | #define BYTE1(ch) \ | |
541 | ((ch & 0xff00) >> 8) | |
542 | ||
543 | #define BYTE2(ch) \ | |
544 | (ch & 0x00ff) | |
545 | ||
65c4903c GV |
546 | #define W32_TEXTOUT(start_offset,nchars) \ |
547 | { \ | |
548 | int charset_dim = CHARSET_DIMENSION(charset); \ | |
549 | if (font->bdf) \ | |
550 | w32_BDF_TextOut (font->bdf, hdc, left + xoffset, \ | |
551 | top + yoffset, \ | |
552 | x_1byte_buffer + start_offset, \ | |
5eee6366 | 553 | charset_dim, nchars, 0); \ |
65c4903c GV |
554 | else if (print_via_unicode) \ |
555 | ExtTextOutW (hdc, left + xoffset, top + yoffset, \ | |
556 | fuOptions, clip_region, \ | |
557 | x_2byte_buffer + start_offset, nchars, NULL); \ | |
558 | else \ | |
559 | ExtTextOut (hdc, left + xoffset, top + yoffset, \ | |
560 | fuOptions, clip_region, \ | |
561 | x_1byte_buffer + start_offset, \ | |
562 | nchars * charset_dim, NULL); \ | |
563 | start_offset += nchars * (print_via_unicode ? 1 : charset_dim ); \ | |
564 | xoffset += nchars * glyph_width; \ | |
565 | } | |
cabb23bc | 566 | \f |
ee78dc32 GV |
567 | /* Display a sequence of N glyphs found at GP. |
568 | WINDOW is the window to output to. LEFT and TOP are starting coords. | |
569 | HL is 1 if this text is highlighted, 2 if the cursor is on it, | |
570 | 3 if should appear in its mouse-face. | |
571 | JUST_FOREGROUND if 1 means draw only the foreground; | |
572 | don't alter the background. | |
573 | ||
574 | FONT is the default font to use (for glyphs whose font-code is 0). | |
575 | ||
576 | Since the display generation code is responsible for calling | |
577 | compute_char_face and compute_glyph_face on everything it puts in | |
578 | the display structure, we can assume that the face code on each | |
579 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one | |
580 | to which we can actually apply intern_face. | |
581 | Call this function with input blocked. */ | |
582 | ||
cabb23bc | 583 | static int |
ef0e360f | 584 | dumpglyphs (f, left, top, gp, n, hl, just_foreground, cmpcharp) |
ee78dc32 GV |
585 | struct frame *f; |
586 | int left, top; | |
587 | register GLYPH *gp; /* Points to first GLYPH. */ | |
588 | register int n; /* Number of glyphs to display. */ | |
589 | int hl; | |
590 | int just_foreground; | |
cabb23bc | 591 | struct cmpchar_info *cmpcharp; |
ee78dc32 | 592 | { |
cabb23bc GV |
593 | wchar_t *x_2byte_buffer |
594 | = (wchar_t *) alloca (FRAME_WINDOW_WIDTH (f) * sizeof (*x_2byte_buffer)); | |
595 | register wchar_t *cp; /* Steps through x_2byte_buffer[]. */ | |
596 | ||
597 | /* Allocate double the window width, as this buffer may contain MBCS | |
feba565d GV |
598 | characters under w32. Unsigned to let GetCharABCWidths work. */ |
599 | unsigned char *x_1byte_buffer | |
600 | = (unsigned char *) alloca (2 * FRAME_WINDOW_WIDTH (f) | |
601 | * sizeof (*x_1byte_buffer)); | |
602 | register unsigned char *bp; /* Steps through x_1byte_buffer[]. */ | |
ee78dc32 GV |
603 | register int tlen = GLYPH_TABLE_LENGTH; |
604 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
fbd6baed | 605 | Window window = FRAME_W32_WINDOW (f); |
cabb23bc | 606 | HDC hdc = get_frame_dc (f); |
ee78dc32 | 607 | int orig_left = left; |
cabb23bc GV |
608 | int gidx = 0; |
609 | int i; | |
ee78dc32 GV |
610 | |
611 | while (n > 0) | |
612 | { | |
613 | /* Get the face-code of the next GLYPH. */ | |
cabb23bc | 614 | int cf, len, n_chars; |
ef0e360f GV |
615 | GLYPH g = *gp; |
616 | int ch, charset; | |
cabb23bc GV |
617 | Lisp_Object first_ch; |
618 | /* HIGHEST and LOWEST are used while drawing a composite | |
619 | character. The meanings are described later. */ | |
620 | int highest, lowest; | |
ee78dc32 GV |
621 | |
622 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
ef0e360f GV |
623 | cf = (cmpcharp ? cmpcharp->face_work : FAST_GLYPH_FACE (g)); |
624 | ch = FAST_GLYPH_CHAR (g); | |
cabb23bc GV |
625 | if (unibyte_display_via_language_environment |
626 | && SINGLE_BYTE_CHAR_P (ch) | |
627 | && ch >= 160) | |
628 | ch = unibyte_char_to_multibyte (ch); | |
629 | if (gidx == 0) XSETFASTINT (first_ch, ch); | |
ef0e360f GV |
630 | charset = CHAR_CHARSET (ch); |
631 | if (charset == CHARSET_COMPOSITION) | |
632 | { | |
ef0e360f | 633 | /* We must draw components of the composite character on the |
cabb23bc | 634 | same column. */ |
ef0e360f GV |
635 | cmpcharp = cmpchar_table[COMPOSITE_CHAR_ID (ch)]; |
636 | ||
637 | /* Set the face in the slot for work. */ | |
638 | cmpcharp->face_work = cf; | |
639 | ||
cabb23bc | 640 | /* We don't need the return value ... */ |
ef0e360f GV |
641 | dumpglyphs (f, left, top, cmpcharp->glyph, cmpcharp->glyph_len, |
642 | hl, just_foreground, cmpcharp); | |
cabb23bc GV |
643 | /* ... because the width of just drawn text can be |
644 | calculated as follows. */ | |
645 | left += FONT_WIDTH (FRAME_FONT (f)) * cmpcharp->width; | |
646 | ||
ef0e360f GV |
647 | ++gp, --n; |
648 | while (gp && (*gp & GLYPH_MASK_PADDING)) ++gp, --n; | |
649 | cmpcharp = NULL; | |
650 | continue; | |
651 | } | |
cabb23bc GV |
652 | |
653 | /* Find the run of consecutive glyphs which can be drawn with | |
654 | the same DC (i.e. the same charset and the same face-code). | |
655 | Extract their character codes into X_2BYTE_BUFFER. | |
656 | If CMPCHARP is not NULL, face-code is not checked because we | |
657 | use only the face specified in `cmpcharp->face_work'. */ | |
658 | cp = x_2byte_buffer; | |
ee78dc32 GV |
659 | while (n > 0) |
660 | { | |
cabb23bc | 661 | int this_charset, c1, c2; |
ef0e360f | 662 | |
ee78dc32 GV |
663 | g = *gp; |
664 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
ef0e360f | 665 | ch = FAST_GLYPH_CHAR (g); |
cabb23bc GV |
666 | if (unibyte_display_via_language_environment |
667 | && SINGLE_BYTE_CHAR_P (ch) | |
668 | && ch >= 160) | |
669 | ch = unibyte_char_to_multibyte (ch); | |
670 | SPLIT_CHAR (ch, this_charset, c1, c2); | |
ef0e360f GV |
671 | if (this_charset != charset |
672 | || (cmpcharp == NULL && FAST_GLYPH_FACE (g) != cf)) | |
ee78dc32 GV |
673 | break; |
674 | ||
cabb23bc GV |
675 | if (c2 > 0) |
676 | *cp = BUILD_WCHAR_T (c1, c2); | |
ef0e360f | 677 | else |
cabb23bc GV |
678 | *cp = BUILD_WCHAR_T (0, c1); |
679 | ++cp; | |
ef0e360f | 680 | ++gp, --n; |
ef0e360f GV |
681 | while (gp && (*gp & GLYPH_MASK_PADDING)) |
682 | ++gp, --n; | |
ee78dc32 GV |
683 | } |
684 | ||
685 | /* LEN gets the length of the run. */ | |
cabb23bc | 686 | len = cp - x_2byte_buffer; |
ee78dc32 GV |
687 | /* Now output this run of chars, with the font and pixel values |
688 | determined by the face code CF. */ | |
689 | { | |
690 | struct face *face = FRAME_DEFAULT_FACE (f); | |
cabb23bc | 691 | XFontStruct *font = NULL; |
a1b9438c GV |
692 | int fontset; |
693 | struct font_info *fontp; | |
694 | int font_id; | |
ee78dc32 GV |
695 | COLORREF fg; |
696 | COLORREF bg; | |
cabb23bc GV |
697 | int stippled = 0; |
698 | int line_height = FRAME_LINE_HEIGHT (f); | |
699 | /* Pixel width of each glyph in this run. */ | |
700 | int glyph_width | |
701 | = (FONT_WIDTH (FRAME_FONT (f)) | |
702 | * (cmpcharp ? cmpcharp->width : CHARSET_WIDTH (charset))); | |
703 | /* Overall pixel width of this run. */ | |
704 | int run_width | |
705 | = (FONT_WIDTH (FRAME_FONT (f)) | |
706 | * (cmpcharp ? cmpcharp->width : len * CHARSET_WIDTH (charset))); | |
707 | /* A flag to tell if we have already filled background. We | |
708 | fill background in advance in the following cases: | |
709 | 1) A face has stipple. | |
710 | 2) A height of font is shorter than LINE_HEIGHT. | |
711 | 3) Drawing a composite character. | |
712 | 4) Font has non-zero _MULE_BASELINE_OFFSET property. | |
65c4903c | 713 | 5) Font is a bdf font. |
e3e0e526 | 714 | 6) Font is italic (italic fonts falsely report their height). |
cabb23bc GV |
715 | After filling background, we draw glyphs by XDrawString16. */ |
716 | int background_filled; | |
717 | /* Baseline position of a character, offset from TOP. */ | |
718 | int baseline; | |
719 | /* The property value of `_MULE_RELATIVE_COMPOSE' and | |
720 | `_MULE_DEFAULT_ASCENT'. */ | |
721 | int relative_compose = 0, default_ascent = 0; | |
722 | /* 1 if we find no font or a font of inappropriate size. */ | |
723 | int require_clipping; | |
65c4903c GV |
724 | RECT clip_rectangle; |
725 | LPRECT clip_region = NULL; | |
726 | UINT fuOptions = 0; | |
727 | ||
cabb23bc GV |
728 | int codepage = CP_DEFAULT; |
729 | BOOL print_via_unicode = FALSE; | |
ee78dc32 GV |
730 | |
731 | /* HL = 3 means use a mouse face previously chosen. */ | |
732 | if (hl == 3) | |
fbd6baed | 733 | cf = FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id; |
ee78dc32 GV |
734 | |
735 | /* First look at the face of the text itself. */ | |
736 | if (cf != 0) | |
737 | { | |
738 | /* It's possible for the display table to specify | |
739 | a face code that is out of range. Use 0 in that case. */ | |
740 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) | |
741 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
742 | cf = 0; | |
743 | ||
744 | if (cf == 1) | |
745 | face = FRAME_MODE_LINE_FACE (f); | |
746 | else | |
747 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); | |
ee78dc32 GV |
748 | if (FACE_STIPPLE (face)) |
749 | stippled = 1; | |
750 | } | |
751 | ||
752 | /* Then comes the distinction between modeline and normal text. */ | |
753 | else if (hl == 0) | |
754 | ; | |
755 | else if (hl == 1) | |
756 | { | |
757 | face = FRAME_MODE_LINE_FACE (f); | |
ee78dc32 GV |
758 | if (FACE_STIPPLE (face)) |
759 | stippled = 1; | |
760 | } | |
761 | ||
cabb23bc GV |
762 | /* Setting appropriate font and codepage for this charset. */ |
763 | if (charset != CHARSET_ASCII) | |
764 | { | |
a1b9438c | 765 | fontset = FACE_FONTSET (face); |
cabb23bc GV |
766 | |
767 | if ((fontset < 0 && (fontset = FRAME_FONTSET (f)) < 0) | |
768 | || !(fontp = FS_LOAD_FONT (f, FRAME_W32_FONT_TABLE (f), | |
769 | charset, NULL, fontset))) | |
770 | goto font_not_found; | |
771 | ||
772 | font = (XFontStruct *) (fontp->font); | |
a1b9438c | 773 | codepage = w32_codepage_for_font (fontp->name); |
65c4903c GV |
774 | |
775 | if ( font && !font->bdf ) | |
5eee6366 | 776 | print_via_unicode = w32_use_unicode_for_codepage (codepage); |
cabb23bc | 777 | |
65c4903c | 778 | baseline = FONT_BASE (font) + fontp->baseline_offset; |
cabb23bc GV |
779 | |
780 | if (cmpcharp && cmpcharp->cmp_rule == NULL) | |
781 | { | |
782 | relative_compose = fontp->relative_compose; | |
783 | default_ascent = fontp->default_ascent; | |
784 | } | |
785 | ||
786 | /* We have to change code points in the following cases. */ | |
a1b9438c | 787 | if (fontp->font_encoder) |
cabb23bc GV |
788 | { |
789 | /* This font requires CCL program to calculate code | |
790 | point of characters. */ | |
791 | struct ccl_program *ccl = fontp->font_encoder; | |
792 | ||
793 | if (CHARSET_DIMENSION (charset) == 1) | |
794 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
795 | { | |
796 | ccl->reg[0] = charset; | |
797 | ccl->reg[1] = BYTE2 (*cp); | |
798 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
799 | /* We assume that MSBs are appropriately | |
800 | set/reset by CCL program. */ | |
801 | #if 0 /* this probably works under NT, but not under 95. */ | |
802 | if (font->tm.tmLastChar < 256) /* 1-byte font */ | |
803 | *cp = BUILD_WCHAR_T (0, ccl->reg[1]); | |
804 | else | |
805 | *cp = BUILD_WCHAR_T (ccl->reg[1], ccl->reg[2]); | |
806 | #else /* Assume single dimensional charsets stay so. */ | |
807 | *cp = BUILD_WCHAR_T (0, ccl->reg[1]); | |
808 | #endif | |
809 | } | |
810 | else | |
811 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
812 | { | |
813 | ccl->reg[0] = charset; | |
814 | ccl->reg[1] = BYTE1 (*cp) , ccl->reg[2] = BYTE2 (*cp); | |
815 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
816 | /* We assume that MSBs are appropriately | |
817 | set/reset by CCL program. */ | |
818 | #if 0 /* this probably works under NT, but not under 95. */ | |
819 | if (font->tm.tmLastChar < 256) /* 1-byte font */ | |
820 | *cp = BUILD_WCHAR_T (0, ccl->reg[1]); | |
821 | else | |
822 | *cp = BUILD_WCHAR_T (ccl->reg[1],ccl->reg[2]); | |
823 | #else /* Assume multidimensional charsets stay so. */ | |
824 | *cp = BUILD_WCHAR_T (ccl->reg[1],ccl->reg[2]); | |
825 | #endif | |
826 | } | |
827 | } | |
cabb23bc GV |
828 | else if (fontp->encoding[charset]) |
829 | { | |
830 | int enc = fontp->encoding[charset]; | |
831 | ||
832 | if ((enc == 1 || enc == 2) && CHARSET_DIMENSION (charset) == 2) | |
833 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
834 | *cp = BUILD_WCHAR_T (BYTE1 (*cp) | 0x80, BYTE2 (*cp)); | |
835 | if (enc == 1 || enc == 3) | |
836 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
837 | *cp = BUILD_WCHAR_T (BYTE1 (*cp), BYTE2 (*cp) | 0x80); | |
65c4903c GV |
838 | /* Special encoding for SJIS Kanji. */ |
839 | if (enc == 4) | |
840 | { | |
841 | if (CHARSET_DIMENSION (charset) == 2) | |
842 | { | |
843 | int sjis1, sjis2; | |
844 | for (cp = x_2byte_buffer; | |
845 | cp < x_2byte_buffer + len; cp++) | |
846 | { | |
847 | ENCODE_SJIS (BYTE1 (*cp), BYTE2 (*cp), | |
848 | sjis1, sjis2); | |
849 | *cp = BUILD_WCHAR_T (sjis1, sjis2); | |
850 | } | |
851 | } | |
852 | else | |
853 | for (cp = x_2byte_buffer; | |
854 | cp < x_2byte_buffer + len; cp++) | |
855 | *cp = BUILD_WCHAR_T (BYTE1 (*cp), | |
856 | BYTE2 (*cp) | 0x80); | |
857 | } | |
cabb23bc GV |
858 | } |
859 | } | |
860 | else | |
861 | { | |
862 | font_not_found: | |
863 | if (charset == CHARSET_ASCII || charset == charset_latin_iso8859_1) | |
864 | { | |
865 | font = FACE_FONT (face); | |
866 | if (!font || font == (XFontStruct *) FACE_DEFAULT) | |
867 | font = FRAME_FONT (f); | |
868 | baseline = FONT_BASE (FRAME_FONT (f)); | |
869 | if (charset == charset_latin_iso8859_1) | |
870 | { | |
65c4903c | 871 | if (!font->bdf && font->tm.tmLastChar < 0x80) |
cabb23bc GV |
872 | /* This font can't display Latin1 characters. */ |
873 | font = NULL; | |
874 | else | |
875 | { | |
876 | for (cp = x_2byte_buffer; | |
877 | cp < x_2byte_buffer + len; cp++) | |
878 | *cp = BUILD_WCHAR_T (BYTE1 (*cp), | |
879 | BYTE2 (*cp) | 0x80); | |
880 | } | |
881 | } | |
882 | } | |
883 | } | |
884 | ||
ee78dc32 GV |
885 | fg = face->foreground; |
886 | bg = face->background; | |
887 | ||
888 | /* Now override that if the cursor's on this character. */ | |
889 | if (hl == 2) | |
890 | { | |
891 | /* The cursor overrides stippling. */ | |
892 | stippled = 0; | |
893 | ||
cabb23bc GV |
894 | if (font == FRAME_FONT (f) |
895 | && face->background == FRAME_BACKGROUND_PIXEL (f) | |
896 | && face->foreground == FRAME_FOREGROUND_PIXEL (f) | |
897 | && !cmpcharp) | |
ee78dc32 | 898 | { |
fbd6baed | 899 | bg = f->output_data.w32->cursor_pixel; |
ee78dc32 GV |
900 | fg = face->background; |
901 | } | |
902 | /* Cursor on non-default face: must merge. */ | |
903 | else | |
904 | { | |
fbd6baed | 905 | bg = f->output_data.w32->cursor_pixel; |
ee78dc32 GV |
906 | fg = face->background; |
907 | /* If the glyph would be invisible, | |
908 | try a different foreground. */ | |
909 | if (fg == bg) | |
910 | fg = face->foreground; | |
911 | if (fg == bg) | |
fbd6baed | 912 | fg = f->output_data.w32->cursor_foreground_pixel; |
ee78dc32 GV |
913 | if (fg == bg) |
914 | fg = face->foreground; | |
915 | /* Make sure the cursor is distinct from text in this face. */ | |
916 | if (bg == face->background | |
917 | && fg == face->foreground) | |
918 | { | |
919 | bg = face->foreground; | |
920 | fg = face->background; | |
921 | } | |
922 | } | |
923 | } | |
924 | ||
cabb23bc GV |
925 | if (font) |
926 | require_clipping = (!NILP (Vclip_large_size_font) | |
65c4903c GV |
927 | && ((font->bdf |
928 | ? (font->bdf->ury > baseline | |
929 | || font->bdf->lly > line_height - baseline) | |
930 | : (font->tm.tmAscent > baseline | |
931 | || font->tm.tmDescent > line_height - baseline)) | |
932 | || (!cmpcharp && FONT_MAX_WIDTH (font) > glyph_width))); | |
cabb23bc GV |
933 | |
934 | if (font && (just_foreground || (cmpcharp && gidx > 0))) | |
935 | background_filled = 1; | |
936 | ||
937 | /* Stippling not supported under w32. */ | |
938 | ||
939 | else if (!font | |
65c4903c | 940 | || font->bdf |
cabb23bc GV |
941 | || FONT_HEIGHT (font) < line_height |
942 | || FONT_WIDTH (font) < glyph_width | |
feba565d | 943 | || FONT_MAX_WIDTH (font) != FONT_WIDTH (font) |
e3e0e526 | 944 | || font->tm.tmItalic |
cabb23bc GV |
945 | || cmpcharp) |
946 | { | |
947 | /* Fill in the background for the current run. */ | |
948 | w32_fill_area (f, hdc, bg, | |
949 | left, | |
950 | top, | |
951 | run_width, | |
952 | line_height); | |
953 | background_filled = 1; | |
954 | if (cmpcharp) | |
955 | /* To assure not to fill background while drawing | |
956 | remaining components. */ | |
957 | just_foreground = 1; | |
958 | } | |
959 | else | |
960 | background_filled = 0; | |
ee78dc32 | 961 | |
cabb23bc | 962 | SetBkMode (hdc, background_filled ? TRANSPARENT : OPAQUE); |
ee78dc32 GV |
963 | SetTextColor (hdc, fg); |
964 | SetBkColor (hdc, bg); | |
65c4903c | 965 | SetTextAlign (hdc, TA_BASELINE | TA_LEFT); |
ee78dc32 | 966 | |
e12ca9c2 AI |
967 | /* On NT, where conversion to Unicode has to happen sometime |
968 | when using the normal ExtTextOut facility, we might as well | |
969 | take advantage of x_2byte_buffer which is already allocated, | |
970 | to avoid the allocation overhead for implicit conversion. */ | |
971 | ||
972 | if (!print_via_unicode | |
973 | && codepage == CP_DEFAULT | |
974 | && w32_enable_unicode_output | |
975 | && os_subtype == OS_NT | |
976 | && font && !font->bdf) | |
977 | { | |
978 | print_via_unicode = TRUE; | |
979 | } | |
980 | ||
981 | /* Note that we can special-case the conversion to Unicode when | |
982 | the charset is CHARSET_ASCII (an important case) or Latin-1, | |
983 | because x_2byte_buffer in fact already contains the unicode | |
984 | characters. So avoid setting up x_1byte_buffer in that case. */ | |
985 | if (!print_via_unicode | |
986 | || (charset != CHARSET_ASCII && charset != charset_latin_iso8859_1)) | |
987 | { | |
988 | /* Convert x_2byte_buffer into a buffer of single byte | |
989 | characters - possibly containing MBCS runs. */ | |
990 | bp = x_1byte_buffer; | |
991 | for (i = 0; i < len; i++) | |
992 | { | |
993 | if (BYTE1 (*(x_2byte_buffer + i))) | |
994 | *bp++ = BYTE1 (*(x_2byte_buffer + i)); | |
995 | *bp++ = BYTE2 (*(x_2byte_buffer + i)); | |
996 | } | |
997 | n_chars = bp - x_1byte_buffer; | |
998 | } | |
999 | else | |
1000 | n_chars = len; | |
1001 | ||
1002 | if (print_via_unicode | |
1003 | && charset != CHARSET_ASCII && charset != charset_latin_iso8859_1) | |
1004 | { | |
1005 | i = MultiByteToWideChar | |
1006 | (codepage, 0, x_1byte_buffer, n_chars, | |
1007 | x_2byte_buffer, FRAME_WINDOW_WIDTH (f)); | |
1008 | ||
1009 | /* Make sure we don't display nothing if conversion fails. */ | |
1010 | if (i == 0) | |
1011 | print_via_unicode = FALSE; | |
1012 | else | |
1013 | n_chars = i; | |
1014 | } | |
ee78dc32 | 1015 | |
cabb23bc | 1016 | if (font) |
ee78dc32 | 1017 | { |
65c4903c | 1018 | if (font->hfont) |
b1ae662f | 1019 | SelectObject (hdc, font->hfont); |
cabb23bc GV |
1020 | |
1021 | if (!cmpcharp) | |
1022 | { | |
65c4903c | 1023 | int xoffset = 0, yoffset = baseline; |
feba565d GV |
1024 | if (require_clipping || FONT_WIDTH (font) != glyph_width |
1025 | || FONT_MAX_WIDTH (font) != FONT_WIDTH (font)) | |
cabb23bc | 1026 | { |
65c4903c GV |
1027 | /* The incrementing of i in this loop is done |
1028 | inside the W32_CHAROUT macro. */ | |
1029 | for (i = 0; i < n_chars; ) | |
cabb23bc GV |
1030 | { |
1031 | if (require_clipping) | |
1032 | { | |
1033 | /* Set up a clipping rectangle for ExtTextOut */ | |
1034 | fuOptions |= ETO_CLIPPED; | |
1035 | clip_rectangle.left = left + i * glyph_width; | |
1036 | clip_rectangle.right | |
1037 | = left + (i + 1) * glyph_width; | |
1038 | clip_rectangle.top = top; | |
1039 | clip_rectangle.bottom = top + line_height; | |
1040 | clip_region = &clip_rectangle; | |
1041 | } | |
65c4903c | 1042 | W32_TEXTOUT (i, 1); |
cabb23bc GV |
1043 | } |
1044 | } | |
1045 | else | |
1046 | { | |
65c4903c GV |
1047 | i = 0; |
1048 | W32_TEXTOUT (i, n_chars); | |
cabb23bc GV |
1049 | } |
1050 | } | |
1051 | else | |
1052 | { | |
1053 | /* Handle composite characters. */ | |
1054 | RECT clip_rectangle; | |
1055 | LPRECT clip_region = NULL; | |
1056 | UINT fuOptions = 0; | |
feba565d GV |
1057 | ABC char_placement; |
1058 | int char_width = 0; | |
cabb23bc GV |
1059 | |
1060 | if (require_clipping) | |
1061 | { | |
1062 | /* Set up a clipping rectangle for ExtTextOut */ | |
1063 | fuOptions |= ETO_CLIPPED; | |
1064 | clip_rectangle.left = left; | |
1065 | clip_rectangle.right = left + glyph_width; | |
1066 | clip_rectangle.top = top; | |
1067 | clip_rectangle.bottom = top + line_height; | |
1068 | clip_region = &clip_rectangle; | |
1069 | } | |
1070 | if ((cmpcharp->cmp_rule || relative_compose) | |
1071 | && gidx == 0) | |
1072 | { | |
1073 | /* This is the first character. Initialize variables. | |
1074 | HIGHEST is the highest position of glyphs ever | |
1075 | written, LOWEST the lowest position. */ | |
65c4903c GV |
1076 | int xoffset = 0; |
1077 | int yoffset = baseline; | |
1078 | int start = 0; | |
cabb23bc GV |
1079 | |
1080 | if (default_ascent | |
1081 | && CHAR_TABLE_P (Vuse_default_ascent) | |
1082 | && !NILP (Faref (Vuse_default_ascent, first_ch))) | |
1083 | { | |
1084 | highest = default_ascent; | |
1085 | lowest = 0; | |
1086 | } | |
65c4903c GV |
1087 | /* TODO: per char metrics for Truetype and BDF |
1088 | fonts. */ | |
cabb23bc | 1089 | { |
65c4903c GV |
1090 | highest = FONT_BASE (font) + 1; |
1091 | lowest = - (FONT_HEIGHT (font) - FONT_BASE (font)); | |
cabb23bc GV |
1092 | } |
1093 | ||
1094 | if (cmpcharp->cmp_rule) | |
65c4903c | 1095 | xoffset = (int)(cmpcharp->col_offset[0] |
cabb23bc GV |
1096 | * FONT_WIDTH (FRAME_FONT (f))); |
1097 | ||
1098 | i = 1; | |
1099 | ||
feba565d GV |
1100 | /* Truetype fonts often contain underhangs to |
1101 | handle composition characters. This works | |
1102 | against our attempts to position the characters | |
1103 | manually, so we need to compensate for this. | |
1104 | */ | |
1105 | if (print_via_unicode ? | |
1106 | GetCharABCWidthsW (hdc, *x_2byte_buffer, | |
1107 | *x_2byte_buffer, | |
1108 | &char_placement) | |
1109 | : GetCharABCWidths (hdc, *x_1byte_buffer, | |
1110 | *x_1byte_buffer, | |
1111 | &char_placement)) | |
1112 | { | |
1113 | char_width = char_placement.abcA | |
1114 | + char_placement.abcB + char_placement.abcC; | |
65c4903c | 1115 | xoffset += FONT_WIDTH (font) - char_width; |
feba565d GV |
1116 | } |
1117 | /* Don't let characters go beyond the glyph | |
1118 | boundary whatever their over/underhangs. */ | |
65c4903c GV |
1119 | if (xoffset > glyph_width - char_width) |
1120 | xoffset = glyph_width - char_width; | |
1121 | ||
1122 | if (xoffset < 0) | |
1123 | xoffset = 0; | |
1124 | ||
1125 | /* Draw the first character at the normal | |
1126 | position. */ | |
1127 | W32_TEXTOUT (start, 1); | |
cabb23bc GV |
1128 | gidx++; |
1129 | } | |
1130 | else | |
1131 | i = 0; | |
1132 | ||
65c4903c | 1133 | for (; i < n_chars; gidx++) |
cabb23bc | 1134 | { |
65c4903c | 1135 | int xoffset = 0, yoffset = FONT_BASE (font); |
cabb23bc GV |
1136 | |
1137 | if (relative_compose) | |
1138 | { | |
1139 | /* No per char metrics on w32. */ | |
1140 | if (NILP (Vignore_relative_composition) | |
1141 | || NILP (Faref (Vignore_relative_composition, | |
1142 | make_number (cmpcharp->glyph[gidx])))) | |
1143 | { | |
65c4903c GV |
1144 | if (- (FONT_HEIGHT (font) - FONT_BASE (font)) |
1145 | >= relative_compose) | |
cabb23bc GV |
1146 | { |
1147 | /* Draw above the current glyphs. */ | |
65c4903c GV |
1148 | yoffset = highest + FONT_HEIGHT (font); |
1149 | highest += FONT_HEIGHT (font); | |
cabb23bc | 1150 | } |
65c4903c | 1151 | else if (FONT_BASE (font) <= 0) |
cabb23bc GV |
1152 | { |
1153 | /* Draw beneath the current glyphs. */ | |
65c4903c GV |
1154 | yoffset = lowest; |
1155 | lowest -= FONT_HEIGHT (font); | |
cabb23bc GV |
1156 | } |
1157 | } | |
1158 | else | |
1159 | { | |
1160 | /* Draw the glyph at normal position. If | |
1161 | it sticks out of HIGHEST or LOWEST, | |
1162 | update them appropriately. */ | |
65c4903c GV |
1163 | if (FONT_BASE (font) > highest) |
1164 | highest = FONT_BASE (font); | |
1165 | else if (- (FONT_HEIGHT (font) - FONT_BASE (font)) | |
1166 | < lowest) | |
1167 | lowest = - (FONT_HEIGHT (font) - | |
1168 | FONT_BASE (font)); | |
cabb23bc GV |
1169 | } |
1170 | } | |
1171 | else if (cmpcharp->cmp_rule) | |
1172 | { | |
1173 | int gref = (cmpcharp->cmp_rule[gidx] - 0xA0) / 9; | |
1174 | int nref = (cmpcharp->cmp_rule[gidx] - 0xA0) % 9; | |
1175 | int bottom, top; | |
1176 | ||
1177 | /* Re-encode GREF and NREF so that they specify | |
1178 | only Y-axis information: | |
1179 | 0:top, 1:base, 2:bottom, 3:center */ | |
1180 | gref = gref / 3 + (gref == 4) * 2; | |
1181 | nref = nref / 3 + (nref == 4) * 2; | |
1182 | ||
1183 | /* No per char metrics on w32. */ | |
1184 | bottom = ((gref == 0 ? highest : gref == 1 ? 0 | |
1185 | : gref == 2 ? lowest | |
1186 | : (highest + lowest) / 2) | |
65c4903c GV |
1187 | - (nref == 0 ? FONT_HEIGHT (font) |
1188 | : nref == 1 ? (FONT_HEIGHT (font) - | |
1189 | FONT_BASE (font)) | |
cabb23bc | 1190 | : nref == 2 ? 0 |
65c4903c GV |
1191 | : (FONT_HEIGHT (font) / 2))); |
1192 | top = bottom + FONT_HEIGHT (font); | |
1193 | ||
cabb23bc GV |
1194 | if (top > highest) |
1195 | highest = top; | |
1196 | if (bottom < lowest) | |
1197 | lowest = bottom; | |
65c4903c GV |
1198 | yoffset = bottom + FONT_HEIGHT (font); |
1199 | xoffset = (int)(cmpcharp->col_offset[gidx] | |
cabb23bc GV |
1200 | * FONT_WIDTH (FRAME_FONT(f))); |
1201 | } | |
1202 | ||
feba565d GV |
1203 | /* Truetype fonts often contain underhangs to |
1204 | handle composition characters. This works | |
1205 | against our attempts to position the characters | |
1206 | manually, so we need to compensate for this. | |
1207 | */ | |
1208 | if (print_via_unicode ? | |
1209 | GetCharABCWidthsW (hdc, *(x_2byte_buffer + i), | |
1210 | *(x_2byte_buffer + i), | |
1211 | &char_placement) | |
1212 | : GetCharABCWidths (hdc, *(x_1byte_buffer + i), | |
1213 | *(x_1byte_buffer + i), | |
1214 | &char_placement)) | |
1215 | { | |
1216 | char_width = char_placement.abcA | |
1217 | + char_placement.abcB + char_placement.abcC; | |
65c4903c | 1218 | xoffset += FONT_WIDTH (font) - char_width; |
feba565d GV |
1219 | } |
1220 | /* Don't let characters go beyond the glyph | |
1221 | boundary whatever their over/underhangs. */ | |
65c4903c GV |
1222 | if (xoffset > glyph_width - char_width) |
1223 | xoffset = glyph_width - char_width; | |
1224 | ||
1225 | if (xoffset < 0) | |
1226 | xoffset = 0; | |
1227 | ||
1228 | W32_TEXTOUT (i, 1); | |
cabb23bc GV |
1229 | } |
1230 | } | |
ee78dc32 | 1231 | } |
cabb23bc GV |
1232 | if (!font) |
1233 | { | |
1234 | /* Show rectangles to indicate that we found no font. */ | |
1235 | int limit = cmpcharp ? 1 : len; | |
b1ae662f AI |
1236 | HBRUSH hb, oldhb; |
1237 | HPEN hp, oldhp; | |
1238 | hb = CreateSolidBrush (bg); | |
1239 | hp = CreatePen (PS_SOLID, 0, fg); | |
1240 | oldhb = SelectObject(hdc, hb); | |
1241 | oldhp = SelectObject(hdc, hp); | |
ee78dc32 | 1242 | |
cabb23bc GV |
1243 | for (i = 0; i < limit; i++) |
1244 | Rectangle (hdc, left + glyph_width * i, top, | |
b1ae662f AI |
1245 | left + glyph_width * (i + 1), |
1246 | top + line_height); | |
1247 | ||
1248 | SelectObject(hdc, oldhb); | |
1249 | SelectObject(hdc, oldhp); | |
1250 | DeleteObject (hb); | |
1251 | DeleteObject (hp); | |
cabb23bc GV |
1252 | } |
1253 | else if (require_clipping && !NILP (Vhighlight_wrong_size_font)) | |
1254 | { | |
1255 | /* Indicate that we found a font of inappropriate size. */ | |
1256 | int limit = cmpcharp ? 1 : len; | |
1257 | ||
1258 | for (i = 0; i < limit; i++) | |
1259 | { | |
1260 | w32_fill_area (f, hdc, fg, left + glyph_width * i, | |
1261 | top + line_height - 1, glyph_width, 1); | |
1262 | w32_fill_area (f, hdc, fg, left + glyph_width * i, | |
1263 | top + line_height - 3, 1, 2); | |
1264 | } | |
1265 | } | |
b1ae662f | 1266 | |
ee78dc32 | 1267 | { |
cabb23bc GV |
1268 | /* Setting underline position based on the metric of the |
1269 | current font results in shaky underline if it strides | |
1270 | over different fonts. So, we set the position based only | |
1271 | on the default font of this frame. */ | |
ee78dc32 GV |
1272 | int underline_position = 1; |
1273 | ||
65c4903c GV |
1274 | if (FONT_HEIGHT (FRAME_FONT (f)) - FONT_BASE(FRAME_FONT (f)) |
1275 | <= underline_position) | |
1276 | underline_position = (FONT_HEIGHT (FRAME_FONT (f)) - | |
1277 | FONT_BASE(FRAME_FONT (f))) - 1; | |
ee78dc32 GV |
1278 | |
1279 | if (face->underline) | |
cabb23bc | 1280 | w32_fill_area (f, hdc, fg, left, |
bc6af935 GV |
1281 | top + FONT_BASE (FRAME_FONT (f)) |
1282 | + underline_position, | |
cabb23bc | 1283 | run_width, 1); |
ee78dc32 GV |
1284 | } |
1285 | ||
cabb23bc | 1286 | if (!cmpcharp) |
b1ae662f | 1287 | left += run_width; |
ee78dc32 GV |
1288 | } |
1289 | } | |
52cf03a1 | 1290 | release_frame_dc (f, hdc); |
cabb23bc GV |
1291 | |
1292 | return (left - orig_left); | |
ee78dc32 GV |
1293 | } |
1294 | ||
1295 | \f | |
1296 | /* Output some text at the nominal frame cursor position. | |
1297 | Advance the cursor over the text. | |
1298 | Output LEN glyphs at START. | |
1299 | ||
fbd6baed | 1300 | `highlight', set up by w32_reassert_line_highlight or w32_change_line_highlight, |
ee78dc32 GV |
1301 | controls the pixel values used for foreground and background. */ |
1302 | ||
96214669 | 1303 | static void |
fbd6baed | 1304 | w32_write_glyphs (start, len) |
ee78dc32 GV |
1305 | register GLYPH *start; |
1306 | int len; | |
1307 | { | |
1308 | register int temp_length; | |
1309 | struct frame *f; | |
1310 | ||
1311 | BLOCK_INPUT; | |
1312 | ||
1313 | do_line_dance (); | |
1314 | f = updating_frame; | |
1315 | if (f == 0) | |
1316 | { | |
1317 | f = selected_frame; | |
1318 | /* If not within an update, | |
1319 | output at the frame's visible cursor. */ | |
1320 | curs_x = f->cursor_x; | |
1321 | curs_y = f->cursor_y; | |
1322 | } | |
1323 | ||
1324 | dumpglyphs (f, | |
1325 | CHAR_TO_PIXEL_COL (f, curs_x), | |
1326 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
ef0e360f | 1327 | start, len, highlight, 0, NULL); |
ee78dc32 GV |
1328 | |
1329 | /* If we drew on top of the cursor, note that it is turned off. */ | |
1330 | if (curs_y == f->phys_cursor_y | |
1331 | && curs_x <= f->phys_cursor_x | |
1332 | && curs_x + len > f->phys_cursor_x) | |
e12ca9c2 | 1333 | f->phys_cursor_on = 0; |
ee78dc32 GV |
1334 | |
1335 | if (updating_frame == 0) | |
1336 | { | |
1337 | f->cursor_x += len; | |
1338 | x_display_cursor (f, 1); | |
1339 | f->cursor_x -= len; | |
1340 | } | |
1341 | else | |
1342 | curs_x += len; | |
1343 | ||
1344 | UNBLOCK_INPUT; | |
1345 | } | |
1346 | \f | |
1347 | /* Clear to the end of the line. | |
1348 | Erase the current text line from the nominal cursor position (inclusive) | |
1349 | to column FIRST_UNUSED (exclusive). The idea is that everything | |
1350 | from FIRST_UNUSED onward is already erased. */ | |
1351 | ||
96214669 | 1352 | static void |
fbd6baed | 1353 | w32_clear_end_of_line (first_unused) |
ee78dc32 GV |
1354 | register int first_unused; |
1355 | { | |
1356 | struct frame *f = updating_frame; | |
1357 | ||
1358 | if (f == 0) | |
1359 | abort (); | |
1360 | ||
1361 | if (curs_y < 0 || curs_y >= f->height) | |
96214669 | 1362 | return; |
ee78dc32 | 1363 | if (first_unused <= 0) |
96214669 | 1364 | return; |
ee78dc32 GV |
1365 | |
1366 | if (first_unused >= f->width) | |
1367 | first_unused = f->width; | |
1368 | ||
11606873 GV |
1369 | first_unused += FRAME_LEFT_SCROLL_BAR_WIDTH (f); |
1370 | ||
ee78dc32 GV |
1371 | BLOCK_INPUT; |
1372 | ||
1373 | do_line_dance (); | |
1374 | ||
1375 | /* Notice if the cursor will be cleared by this operation. */ | |
1376 | if (curs_y == f->phys_cursor_y | |
1377 | && curs_x <= f->phys_cursor_x | |
1378 | && f->phys_cursor_x < first_unused) | |
e12ca9c2 | 1379 | f->phys_cursor_on = 0; |
ee78dc32 | 1380 | |
fbd6baed | 1381 | w32_clear_area (f, NULL, |
ee78dc32 GV |
1382 | CHAR_TO_PIXEL_COL (f, curs_x), |
1383 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
fbd6baed GV |
1384 | FONT_WIDTH (f->output_data.w32->font) * (first_unused - curs_x), |
1385 | f->output_data.w32->line_height); | |
ee78dc32 GV |
1386 | |
1387 | UNBLOCK_INPUT; | |
1388 | } | |
1389 | ||
96214669 | 1390 | static void |
fbd6baed | 1391 | w32_clear_frame () |
ee78dc32 GV |
1392 | { |
1393 | struct frame *f = updating_frame; | |
1394 | ||
1395 | if (f == 0) | |
1396 | f = selected_frame; | |
1397 | ||
e12ca9c2 | 1398 | f->phys_cursor_on = 0; /* Cursor not visible. */ |
ee78dc32 GV |
1399 | curs_x = 0; /* Nominal cursor position is top left. */ |
1400 | curs_y = 0; | |
1401 | ||
1402 | BLOCK_INPUT; | |
1403 | ||
fbd6baed | 1404 | w32_clear_window (f); |
ee78dc32 GV |
1405 | |
1406 | /* We have to clear the scroll bars, too. If we have changed | |
1407 | colors or something like that, then they should be notified. */ | |
1408 | x_scroll_bar_clear (f); | |
1409 | ||
1410 | UNBLOCK_INPUT; | |
1411 | } | |
1412 | \f | |
1413 | /* Make audible bell. */ | |
1414 | ||
96214669 GV |
1415 | static void |
1416 | w32_ring_bell (void) | |
ee78dc32 GV |
1417 | { |
1418 | BLOCK_INPUT; | |
1419 | ||
1420 | if (visible_bell) | |
8331e676 GV |
1421 | { |
1422 | int i; | |
1423 | HWND hwnd = FRAME_W32_WINDOW (selected_frame); | |
1424 | ||
1425 | for (i = 0; i < 5; i++) | |
1426 | { | |
1427 | FlashWindow (hwnd, TRUE); | |
1428 | Sleep (10); | |
1429 | } | |
1430 | FlashWindow (hwnd, FALSE); | |
1431 | } | |
ee78dc32 | 1432 | else |
fbd6baed | 1433 | w32_sys_ring_bell (); |
ee78dc32 GV |
1434 | |
1435 | UNBLOCK_INPUT; | |
ee78dc32 GV |
1436 | } |
1437 | \f | |
1438 | /* Insert and delete character. | |
1439 | These are not supposed to be used because we are supposed to turn | |
1440 | off the feature of using them. */ | |
1441 | ||
96214669 | 1442 | static void |
fbd6baed | 1443 | w32_insert_glyphs (start, len) |
96214669 | 1444 | register GLYPH *start; |
ee78dc32 GV |
1445 | register int len; |
1446 | { | |
1447 | abort (); | |
1448 | } | |
1449 | ||
96214669 | 1450 | static void |
fbd6baed | 1451 | w32_delete_glyphs (n) |
ee78dc32 GV |
1452 | register int n; |
1453 | { | |
1454 | abort (); | |
1455 | } | |
1456 | \f | |
1457 | /* Specify how many text lines, from the top of the window, | |
1458 | should be affected by insert-lines and delete-lines operations. | |
1459 | This, and those operations, are used only within an update | |
fbd6baed | 1460 | that is bounded by calls to w32_update_begin and w32_update_end. */ |
ee78dc32 | 1461 | |
96214669 | 1462 | static void |
fbd6baed | 1463 | w32_set_terminal_window (n) |
ee78dc32 GV |
1464 | register int n; |
1465 | { | |
1466 | if (updating_frame == 0) | |
1467 | abort (); | |
1468 | ||
1469 | if ((n <= 0) || (n > updating_frame->height)) | |
1470 | flexlines = updating_frame->height; | |
1471 | else | |
1472 | flexlines = n; | |
1473 | } | |
1474 | \f | |
1475 | /* These variables need not be per frame | |
1476 | because redisplay is done on a frame-by-frame basis | |
1477 | and the line dance for one frame is finished before | |
1478 | anything is done for another frame. */ | |
1479 | ||
1480 | /* Array of line numbers from cached insert/delete operations. | |
1481 | line_dance[i] is the old position of the line that we want | |
1482 | to move to line i, or -1 if we want a blank line there. */ | |
1483 | static int *line_dance; | |
1484 | ||
1485 | /* Allocated length of that array. */ | |
1486 | static int line_dance_len; | |
1487 | ||
1488 | /* Flag indicating whether we've done any work. */ | |
1489 | static int line_dance_in_progress; | |
1490 | ||
1491 | /* Perform an insert-lines or delete-lines operation, | |
1492 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
96214669 GV |
1493 | |
1494 | static void | |
fbd6baed | 1495 | w32_ins_del_lines (vpos, n) |
ee78dc32 GV |
1496 | int vpos, n; |
1497 | { | |
1498 | register int fence, i; | |
1499 | ||
1500 | if (vpos >= flexlines) | |
96214669 | 1501 | return; |
ee78dc32 GV |
1502 | |
1503 | if (!line_dance_in_progress) | |
1504 | { | |
1505 | int ht = updating_frame->height; | |
1506 | if (ht > line_dance_len) | |
1507 | { | |
1508 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1509 | line_dance_len = ht; | |
1510 | } | |
1511 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1512 | line_dance_in_progress = 1; | |
1513 | } | |
1514 | if (n >= 0) | |
1515 | { | |
1516 | if (n > flexlines - vpos) | |
1517 | n = flexlines - vpos; | |
1518 | fence = vpos + n; | |
1519 | for (i = flexlines; --i >= fence;) | |
1520 | line_dance[i] = line_dance[i-n]; | |
1521 | for (i = fence; --i >= vpos;) | |
1522 | line_dance[i] = -1; | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | n = -n; | |
1527 | if (n > flexlines - vpos) | |
1528 | n = flexlines - vpos; | |
1529 | fence = flexlines - n; | |
1530 | for (i = vpos; i < fence; ++i) | |
1531 | line_dance[i] = line_dance[i + n]; | |
1532 | for (i = fence; i < flexlines; ++i) | |
1533 | line_dance[i] = -1; | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | /* Here's where we actually move the pixels around. | |
1538 | Must be called with input blocked. */ | |
1539 | static void | |
1540 | do_line_dance () | |
1541 | { | |
1542 | register int i, j, distance; | |
1543 | register struct frame *f; | |
1544 | int ht; | |
1545 | int intborder; | |
1546 | HDC hdc; | |
1547 | ||
1548 | /* Must check this flag first. If it's not set, then not only is the | |
1549 | array uninitialized, but we might not even have a frame. */ | |
1550 | if (!line_dance_in_progress) | |
1551 | return; | |
1552 | ||
1553 | f = updating_frame; | |
1554 | if (f == 0) | |
1555 | abort (); | |
1556 | ||
1557 | ht = f->height; | |
e12ca9c2 | 1558 | intborder = CHAR_TO_PIXEL_COL (f, FRAME_LEFT_SCROLL_BAR_WIDTH (f)); |
ee78dc32 GV |
1559 | |
1560 | x_display_cursor (updating_frame, 0); | |
1561 | ||
52cf03a1 | 1562 | hdc = get_frame_dc (f); |
ee78dc32 GV |
1563 | |
1564 | for (i = 0; i < ht; ++i) | |
1565 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1566 | { | |
1567 | for (j = i; (j < ht && line_dance[j] != -1 | |
1568 | && line_dance[j]-j == distance); ++j); | |
1569 | /* Copy [i,j) upward from [i+distance, j+distance) */ | |
1570 | BitBlt (hdc, | |
1571 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
e12ca9c2 AI |
1572 | FRAME_WINDOW_WIDTH (f) * FONT_WIDTH (FRAME_FONT (f)), |
1573 | (j-i) * FRAME_LINE_HEIGHT (f), | |
ee78dc32 GV |
1574 | hdc, |
1575 | intborder, CHAR_TO_PIXEL_ROW (f, i), | |
1576 | SRCCOPY); | |
1577 | i = j-1; | |
1578 | } | |
1579 | ||
1580 | for (i = ht; --i >=0; ) | |
1581 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1582 | { | |
1583 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
1584 | && line_dance[j]-j == distance);); | |
1585 | /* Copy (j, i] downward from (j+distance, i+distance] */ | |
1586 | BitBlt (hdc, | |
1587 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
e12ca9c2 AI |
1588 | FRAME_WINDOW_WIDTH (f) * FONT_WIDTH (FRAME_FONT (f)), |
1589 | (i-j) * FRAME_LINE_HEIGHT (f), | |
ee78dc32 GV |
1590 | hdc, |
1591 | intborder, CHAR_TO_PIXEL_ROW (f, j+1), | |
1592 | SRCCOPY); | |
1593 | i = j+1; | |
1594 | } | |
1595 | ||
ee78dc32 GV |
1596 | for (i = 0; i < ht; ++i) |
1597 | if (line_dance[i] == -1) | |
1598 | { | |
1599 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1600 | /* Clear [i,j) */ | |
689004fa | 1601 | w32_clear_area (f, hdc, |
ee78dc32 GV |
1602 | intborder, |
1603 | CHAR_TO_PIXEL_ROW (f, i), | |
e12ca9c2 AI |
1604 | FRAME_WINDOW_WIDTH (f) * FONT_WIDTH (FRAME_FONT (f)), |
1605 | (j-i) * FRAME_LINE_HEIGHT (f)); | |
ee78dc32 GV |
1606 | i = j-1; |
1607 | } | |
1608 | line_dance_in_progress = 0; | |
689004fa GV |
1609 | |
1610 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
1611 | } |
1612 | \f | |
1613 | /* Support routines for exposure events. */ | |
1614 | static void clear_cursor (); | |
1615 | ||
1616 | /* Output into a rectangle of a window (for frame F) | |
1617 | the characters in f->phys_lines that overlap that rectangle. | |
1618 | TOP and LEFT are the position of the upper left corner of the rectangle. | |
1619 | ROWS and COLS are the size of the rectangle. | |
1620 | Call this function with input blocked. */ | |
1621 | ||
1622 | void | |
1623 | dumprectangle (f, left, top, cols, rows) | |
1624 | struct frame *f; | |
1625 | register int left, top, cols, rows; | |
1626 | { | |
1627 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); | |
1628 | int cursor_cleared = 0; | |
1629 | int bottom, right; | |
1630 | register int y; | |
1631 | ||
1632 | if (FRAME_GARBAGED_P (f)) | |
1633 | return; | |
1634 | ||
1635 | /* Express rectangle as four edges, instead of position-and-size. */ | |
1636 | bottom = top + rows; | |
1637 | right = left + cols; | |
1638 | ||
1639 | /* Convert rectangle edges in pixels to edges in chars. | |
1640 | Round down for left and top, up for right and bottom. */ | |
1641 | top = PIXEL_TO_CHAR_ROW (f, top); | |
1642 | left = PIXEL_TO_CHAR_COL (f, left); | |
fbd6baed GV |
1643 | bottom += (f->output_data.w32->line_height - 1); |
1644 | right += (FONT_WIDTH (f->output_data.w32->font) - 1); | |
ee78dc32 GV |
1645 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1646 | right = PIXEL_TO_CHAR_COL (f, right); | |
1647 | ||
1648 | /* Clip the rectangle to what can be visible. */ | |
e12ca9c2 AI |
1649 | if (left < FRAME_LEFT_SCROLL_BAR_WIDTH (f)) |
1650 | left = FRAME_LEFT_SCROLL_BAR_WIDTH (f); | |
ee78dc32 GV |
1651 | if (top < 0) |
1652 | top = 0; | |
e12ca9c2 AI |
1653 | if (right > f->width + FRAME_LEFT_SCROLL_BAR_WIDTH (f)) |
1654 | right = f->width + FRAME_LEFT_SCROLL_BAR_WIDTH (f); | |
ee78dc32 GV |
1655 | if (bottom > f->height) |
1656 | bottom = f->height; | |
1657 | ||
1658 | /* Get size in chars of the rectangle. */ | |
1659 | cols = right - left; | |
1660 | rows = bottom - top; | |
1661 | ||
1662 | /* If rectangle has zero area, return. */ | |
1663 | if (rows <= 0) return; | |
1664 | if (cols <= 0) return; | |
1665 | ||
1666 | /* Turn off the cursor if it is in the rectangle. | |
1667 | We will turn it back on afterward. */ | |
1668 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) | |
1669 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
1670 | { | |
1671 | clear_cursor (f); | |
1672 | cursor_cleared = 1; | |
1673 | } | |
1674 | ||
1675 | /* Display the text in the rectangle, one text line at a time. */ | |
1676 | ||
1677 | for (y = top; y < bottom; y++) | |
1678 | { | |
1679 | GLYPH *line = &active_frame->glyphs[y][left]; | |
1680 | ||
1681 | if (! active_frame->enable[y] || left > active_frame->used[y]) | |
1682 | continue; | |
1683 | ||
1684 | dumpglyphs (f, | |
1685 | CHAR_TO_PIXEL_COL (f, left), | |
1686 | CHAR_TO_PIXEL_ROW (f, y), | |
1687 | line, min (cols, active_frame->used[y] - left), | |
ef0e360f | 1688 | active_frame->highlight[y], 0, NULL); |
ee78dc32 GV |
1689 | } |
1690 | ||
1691 | /* Turn the cursor on if we turned it off. */ | |
1692 | ||
1693 | if (cursor_cleared) | |
1694 | x_display_cursor (f, 1); | |
1695 | } | |
1696 | \f | |
1697 | static void | |
1698 | frame_highlight (f) | |
1699 | struct frame *f; | |
1700 | { | |
1701 | x_display_cursor (f, 1); | |
1702 | } | |
1703 | ||
1704 | static void | |
1705 | frame_unhighlight (f) | |
1706 | struct frame *f; | |
1707 | { | |
1708 | x_display_cursor (f, 1); | |
1709 | } | |
1710 | ||
ee78dc32 GV |
1711 | static void x_frame_rehighlight (); |
1712 | ||
1713 | /* The focus has changed. Update the frames as necessary to reflect | |
1714 | the new situation. Note that we can't change the selected frame | |
1715 | here, because the Lisp code we are interrupting might become confused. | |
1716 | Each event gets marked with the frame in which it occurred, so the | |
1717 | Lisp code can tell when the switch took place by examining the events. */ | |
1718 | ||
1719 | void | |
1720 | x_new_focus_frame (dpyinfo, frame) | |
fbd6baed | 1721 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
1722 | struct frame *frame; |
1723 | { | |
fbd6baed | 1724 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
ee78dc32 GV |
1725 | int events_enqueued = 0; |
1726 | ||
fbd6baed | 1727 | if (frame != dpyinfo->w32_focus_frame) |
ee78dc32 GV |
1728 | { |
1729 | /* Set this before calling other routines, so that they see | |
fbd6baed GV |
1730 | the correct value of w32_focus_frame. */ |
1731 | dpyinfo->w32_focus_frame = frame; | |
ee78dc32 GV |
1732 | |
1733 | if (old_focus && old_focus->auto_lower) | |
1734 | x_lower_frame (old_focus); | |
1735 | ||
fbd6baed GV |
1736 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
1737 | pending_autoraise_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
1738 | else |
1739 | pending_autoraise_frame = 0; | |
1740 | } | |
1741 | ||
1742 | x_frame_rehighlight (dpyinfo); | |
1743 | } | |
1744 | ||
1745 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
1746 | ||
1747 | void | |
1748 | x_mouse_leave (dpyinfo) | |
fbd6baed | 1749 | struct w32_display_info *dpyinfo; |
ee78dc32 | 1750 | { |
fbd6baed | 1751 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
ee78dc32 GV |
1752 | } |
1753 | ||
1754 | /* The focus has changed, or we have redirected a frame's focus to | |
1755 | another frame (this happens when a frame uses a surrogate | |
1756 | minibuffer frame). Shift the highlight as appropriate. | |
1757 | ||
1758 | The FRAME argument doesn't necessarily have anything to do with which | |
1759 | frame is being highlighted or unhighlighted; we only use it to find | |
1760 | the appropriate display info. */ | |
1761 | static void | |
fbd6baed | 1762 | w32_frame_rehighlight (frame) |
ee78dc32 GV |
1763 | struct frame *frame; |
1764 | { | |
fbd6baed | 1765 | x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame)); |
ee78dc32 GV |
1766 | } |
1767 | ||
1768 | static void | |
1769 | x_frame_rehighlight (dpyinfo) | |
fbd6baed | 1770 | struct w32_display_info *dpyinfo; |
ee78dc32 | 1771 | { |
fbd6baed | 1772 | struct frame *old_highlight = dpyinfo->w32_highlight_frame; |
ee78dc32 | 1773 | |
fbd6baed | 1774 | if (dpyinfo->w32_focus_frame) |
ee78dc32 | 1775 | { |
fbd6baed GV |
1776 | dpyinfo->w32_highlight_frame |
1777 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) | |
1778 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) | |
1779 | : dpyinfo->w32_focus_frame); | |
1780 | if (! FRAME_LIVE_P (dpyinfo->w32_highlight_frame)) | |
ee78dc32 | 1781 | { |
fbd6baed GV |
1782 | FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame) = Qnil; |
1783 | dpyinfo->w32_highlight_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
1784 | } |
1785 | } | |
1786 | else | |
fbd6baed | 1787 | dpyinfo->w32_highlight_frame = 0; |
ee78dc32 | 1788 | |
fbd6baed | 1789 | if (dpyinfo->w32_highlight_frame != old_highlight) |
ee78dc32 GV |
1790 | { |
1791 | if (old_highlight) | |
1792 | frame_unhighlight (old_highlight); | |
fbd6baed GV |
1793 | if (dpyinfo->w32_highlight_frame) |
1794 | frame_highlight (dpyinfo->w32_highlight_frame); | |
ee78dc32 GV |
1795 | } |
1796 | } | |
1797 | \f | |
1798 | /* Keyboard processing - modifier keys, etc. */ | |
1799 | ||
1800 | /* Convert a keysym to its name. */ | |
1801 | ||
1802 | char * | |
1803 | x_get_keysym_name (keysym) | |
1804 | int keysym; | |
1805 | { | |
1806 | /* Make static so we can always return it */ | |
1807 | static char value[100]; | |
1808 | ||
1809 | BLOCK_INPUT; | |
1810 | GetKeyNameText(keysym, value, 100); | |
1811 | UNBLOCK_INPUT; | |
1812 | ||
1813 | return value; | |
1814 | } | |
1815 | \f | |
1816 | /* Mouse clicks and mouse movement. Rah. */ | |
1817 | ||
1818 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1819 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
1820 | that the glyph at X, Y occupies, if BOUNDS != 0. | |
1821 | If NOCLIP is nonzero, do not force the value into range. */ | |
1822 | ||
1823 | void | |
1824 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1825 | FRAME_PTR f; | |
1826 | register int pix_x, pix_y; | |
1827 | register int *x, *y; | |
1828 | RECT *bounds; | |
1829 | int noclip; | |
1830 | { | |
52cf03a1 GV |
1831 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1832 | if (NILP (Vwindow_system)) | |
1833 | { | |
1834 | *x = pix_x; | |
1835 | *y = pix_y; | |
1836 | return; | |
1837 | } | |
1838 | ||
ee78dc32 GV |
1839 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1840 | even for negative values. */ | |
1841 | if (pix_x < 0) | |
fbd6baed | 1842 | pix_x -= FONT_WIDTH ((f)->output_data.w32->font) - 1; |
ee78dc32 | 1843 | if (pix_y < 0) |
fbd6baed | 1844 | pix_y -= (f)->output_data.w32->line_height - 1; |
ee78dc32 GV |
1845 | |
1846 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
1847 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1848 | ||
1849 | if (bounds) | |
1850 | { | |
1851 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
1852 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
fbd6baed GV |
1853 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.w32->font) - 1; |
1854 | bounds->bottom = bounds->top + f->output_data.w32->line_height - 1; | |
ee78dc32 GV |
1855 | } |
1856 | ||
1857 | if (!noclip) | |
1858 | { | |
1859 | if (pix_x < 0) | |
1860 | pix_x = 0; | |
1861 | else if (pix_x > f->width) | |
1862 | pix_x = f->width; | |
1863 | ||
1864 | if (pix_y < 0) | |
1865 | pix_y = 0; | |
1866 | else if (pix_y > f->height) | |
1867 | pix_y = f->height; | |
1868 | } | |
1869 | ||
1870 | *x = pix_x; | |
1871 | *y = pix_y; | |
1872 | } | |
1873 | ||
1874 | void | |
1875 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1876 | FRAME_PTR f; | |
1877 | register int x, y; | |
1878 | register int *pix_x, *pix_y; | |
1879 | { | |
52cf03a1 GV |
1880 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1881 | if (NILP (Vwindow_system)) | |
1882 | { | |
1883 | *pix_x = x; | |
1884 | *pix_y = y; | |
1885 | return; | |
1886 | } | |
1887 | ||
ee78dc32 GV |
1888 | *pix_x = CHAR_TO_PIXEL_COL (f, x); |
1889 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1890 | } | |
1891 | ||
1892 | BOOL | |
1893 | parse_button (message, pbutton, pup) | |
1894 | int message; | |
1895 | int * pbutton; | |
1896 | int * pup; | |
1897 | { | |
1898 | int button = 0; | |
1899 | int up = 0; | |
1900 | ||
1901 | switch (message) | |
1902 | { | |
1903 | case WM_LBUTTONDOWN: | |
1904 | button = 0; | |
1905 | up = 0; | |
1906 | break; | |
1907 | case WM_LBUTTONUP: | |
1908 | button = 0; | |
1909 | up = 1; | |
1910 | break; | |
1911 | case WM_MBUTTONDOWN: | |
fbd6baed | 1912 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1913 | button = 1; |
1914 | else | |
1915 | button = 2; | |
ee78dc32 GV |
1916 | up = 0; |
1917 | break; | |
1918 | case WM_MBUTTONUP: | |
fbd6baed | 1919 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1920 | button = 1; |
1921 | else | |
1922 | button = 2; | |
ee78dc32 GV |
1923 | up = 1; |
1924 | break; | |
1925 | case WM_RBUTTONDOWN: | |
fbd6baed | 1926 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1927 | button = 2; |
1928 | else | |
1929 | button = 1; | |
ee78dc32 GV |
1930 | up = 0; |
1931 | break; | |
1932 | case WM_RBUTTONUP: | |
fbd6baed | 1933 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1934 | button = 2; |
1935 | else | |
1936 | button = 1; | |
ee78dc32 GV |
1937 | up = 1; |
1938 | break; | |
1939 | default: | |
1940 | return (FALSE); | |
1941 | } | |
1942 | ||
1943 | if (pup) *pup = up; | |
1944 | if (pbutton) *pbutton = button; | |
1945 | ||
1946 | return (TRUE); | |
1947 | } | |
1948 | ||
1949 | ||
1950 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
1951 | ||
1952 | If the event is a button press, then note that we have grabbed | |
1953 | the mouse. */ | |
1954 | ||
1955 | static void | |
1956 | construct_mouse_click (result, msg, f) | |
1957 | struct input_event *result; | |
fbd6baed | 1958 | W32Msg *msg; |
ee78dc32 GV |
1959 | struct frame *f; |
1960 | { | |
1961 | int button; | |
1962 | int up; | |
1963 | ||
1964 | parse_button (msg->msg.message, &button, &up); | |
1965 | ||
1966 | /* Make the event type no_event; we'll change that when we decide | |
1967 | otherwise. */ | |
1968 | result->kind = mouse_click; | |
1969 | result->code = button; | |
1970 | result->timestamp = msg->msg.time; | |
1971 | result->modifiers = (msg->dwModifiers | |
1972 | | (up | |
1973 | ? up_modifier | |
1974 | : down_modifier)); | |
1975 | ||
1976 | { | |
1977 | int row, column; | |
1978 | ||
1979 | XSETINT (result->x, LOWORD (msg->msg.lParam)); | |
1980 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
1981 | XSETFRAME (result->frame_or_window, f); | |
1982 | } | |
1983 | } | |
1984 | ||
689004fa GV |
1985 | static void |
1986 | construct_mouse_wheel (result, msg, f) | |
1987 | struct input_event *result; | |
1988 | W32Msg *msg; | |
1989 | struct frame *f; | |
1990 | { | |
1991 | POINT p; | |
1992 | result->kind = mouse_wheel; | |
1993 | result->code = (short) HIWORD (msg->msg.wParam); | |
1994 | result->timestamp = msg->msg.time; | |
1995 | result->modifiers = msg->dwModifiers; | |
1996 | p.x = LOWORD (msg->msg.lParam); | |
1997 | p.y = HIWORD (msg->msg.lParam); | |
1998 | ScreenToClient(msg->msg.hwnd, &p); | |
1999 | XSETINT (result->x, p.x); | |
2000 | XSETINT (result->y, p.y); | |
2001 | XSETFRAME (result->frame_or_window, f); | |
2002 | } | |
2003 | ||
12857dfd RS |
2004 | static void |
2005 | construct_drag_n_drop (result, msg, f) | |
2006 | struct input_event *result; | |
2007 | W32Msg *msg; | |
2008 | struct frame *f; | |
2009 | { | |
2010 | Lisp_Object files; | |
2011 | Lisp_Object frame; | |
2012 | HDROP hdrop; | |
2013 | POINT p; | |
2014 | WORD num_files; | |
2015 | char *name; | |
2016 | int i, len; | |
2017 | ||
2018 | result->kind = drag_n_drop; | |
2019 | result->code = 0; | |
2020 | result->timestamp = msg->msg.time; | |
2021 | result->modifiers = msg->dwModifiers; | |
2022 | ||
fb9cc9cc AI |
2023 | hdrop = (HDROP) msg->msg.wParam; |
2024 | DragQueryPoint (hdrop, &p); | |
2025 | ||
e12ca9c2 | 2026 | #if 0 |
12857dfd RS |
2027 | p.x = LOWORD (msg->msg.lParam); |
2028 | p.y = HIWORD (msg->msg.lParam); | |
2029 | ScreenToClient (msg->msg.hwnd, &p); | |
e12ca9c2 AI |
2030 | #endif |
2031 | ||
12857dfd RS |
2032 | XSETINT (result->x, p.x); |
2033 | XSETINT (result->y, p.y); | |
2034 | ||
12857dfd RS |
2035 | num_files = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0); |
2036 | files = Qnil; | |
2037 | ||
2038 | for (i = 0; i < num_files; i++) | |
2039 | { | |
2040 | len = DragQueryFile (hdrop, i, NULL, 0); | |
2041 | if (len <= 0) | |
2042 | continue; | |
2043 | name = alloca (len + 1); | |
2044 | DragQueryFile (hdrop, i, name, len + 1); | |
2045 | files = Fcons (build_string (name), files); | |
2046 | } | |
2047 | ||
2048 | DragFinish (hdrop); | |
2049 | ||
2050 | XSETFRAME (frame, f); | |
2051 | result->frame_or_window = Fcons (frame, files); | |
2052 | } | |
2053 | ||
ee78dc32 GV |
2054 | \f |
2055 | /* Function to report a mouse movement to the mainstream Emacs code. | |
2056 | The input handler calls this. | |
2057 | ||
2058 | We have received a mouse movement event, which is given in *event. | |
2059 | If the mouse is over a different glyph than it was last time, tell | |
2060 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2061 | another motion event, so we can check again the next time it moves. */ | |
2062 | ||
2063 | static void | |
2064 | note_mouse_movement (frame, msg) | |
2065 | FRAME_PTR frame; | |
2066 | MSG *msg; | |
2067 | { | |
2068 | last_mouse_movement_time = msg->time; | |
2069 | ||
fbd6baed | 2070 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
ee78dc32 GV |
2071 | { |
2072 | frame->mouse_moved = 1; | |
2073 | last_mouse_scroll_bar = Qnil; | |
2074 | ||
2075 | note_mouse_highlight (frame, -1, -1); | |
2076 | } | |
2077 | ||
2078 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2079 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left | |
2080 | || LOWORD (msg->lParam) > last_mouse_glyph.right | |
9bf7b6aa | 2081 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
ee78dc32 GV |
2082 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
2083 | { | |
2084 | frame->mouse_moved = 1; | |
2085 | last_mouse_scroll_bar = Qnil; | |
2086 | ||
2087 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); | |
2088 | } | |
2089 | } | |
2090 | ||
2091 | /* This is used for debugging, to turn off note_mouse_highlight. */ | |
2092 | static int disable_mouse_highlight; | |
2093 | ||
2094 | /* Take proper action when the mouse has moved to position X, Y on frame F | |
2095 | as regards highlighting characters that have mouse-face properties. | |
2096 | Also dehighlighting chars where the mouse was before. | |
2097 | X and Y can be negative or out of range. */ | |
2098 | ||
2099 | static void | |
2100 | note_mouse_highlight (f, x, y) | |
2101 | FRAME_PTR f; | |
2102 | int x, y; | |
2103 | { | |
2104 | int row, column, portion; | |
2105 | RECT new_glyph; | |
2106 | Lisp_Object window; | |
2107 | struct window *w; | |
2108 | ||
2109 | if (disable_mouse_highlight) | |
2110 | return; | |
2111 | ||
fbd6baed GV |
2112 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
2113 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
2114 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
ee78dc32 | 2115 | |
fbd6baed | 2116 | if (FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer) |
ee78dc32 GV |
2117 | return; |
2118 | ||
2119 | if (gc_in_progress) | |
2120 | { | |
fbd6baed | 2121 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
ee78dc32 GV |
2122 | return; |
2123 | } | |
2124 | ||
2125 | /* Find out which glyph the mouse is on. */ | |
2126 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
fbd6baed | 2127 | &new_glyph, FRAME_W32_DISPLAY_INFO (f)->grabbed); |
ee78dc32 GV |
2128 | |
2129 | /* Which window is that in? */ | |
2130 | window = window_from_coordinates (f, column, row, &portion); | |
2131 | w = XWINDOW (window); | |
2132 | ||
2133 | /* If we were displaying active text in another window, clear that. */ | |
fbd6baed GV |
2134 | if (! EQ (window, FRAME_W32_DISPLAY_INFO (f)->mouse_face_window)) |
2135 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); | |
ee78dc32 GV |
2136 | |
2137 | /* Are we in a window whose display is up to date? | |
2138 | And verify the buffer's text has not changed. */ | |
2139 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 | |
2140 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
2141 | && EQ (w->window_end_valid, w->buffer) | |
bade65fd RS |
2142 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer)) |
2143 | && w->last_overlay_modified == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))) | |
ee78dc32 GV |
2144 | { |
2145 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2146 | int i, pos; | |
2147 | ||
2148 | /* Find which buffer position the mouse corresponds to. */ | |
2149 | for (i = column; i >= 0; i--) | |
2150 | if (ptr[i] > 0) | |
2151 | break; | |
2152 | pos = ptr[i]; | |
2153 | /* Is it outside the displayed active region (if any)? */ | |
2154 | if (pos <= 0) | |
fbd6baed GV |
2155 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
2156 | else if (! (EQ (window, FRAME_W32_DISPLAY_INFO (f)->mouse_face_window) | |
2157 | && row >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2158 | && row <= FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
2159 | && (row > FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2160 | || column >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col) | |
2161 | && (row < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
2162 | || column < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col | |
2163 | || FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end))) | |
ee78dc32 GV |
2164 | { |
2165 | Lisp_Object mouse_face, overlay, position; | |
2166 | Lisp_Object *overlay_vec; | |
2167 | int len, noverlays, ignor1; | |
2168 | struct buffer *obuf; | |
2169 | int obegv, ozv; | |
2170 | ||
2171 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2172 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
2173 | return; | |
2174 | ||
2175 | /* Make the window's buffer temporarily current for | |
2176 | overlays_at and compute_char_face. */ | |
2177 | obuf = current_buffer; | |
2178 | current_buffer = XBUFFER (w->buffer); | |
2179 | obegv = BEGV; | |
2180 | ozv = ZV; | |
2181 | BEGV = BEG; | |
2182 | ZV = Z; | |
2183 | ||
2184 | /* Yes. Clear the display of the old active region, if any. */ | |
fbd6baed | 2185 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
ee78dc32 GV |
2186 | |
2187 | /* Is this char mouse-active? */ | |
2188 | XSETINT (position, pos); | |
2189 | ||
2190 | len = 10; | |
2191 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2192 | ||
2193 | /* Put all the overlays we want in a vector in overlay_vec. | |
2194 | Store the length in len. */ | |
2195 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, | |
2196 | NULL, NULL); | |
2197 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2198 | ||
2199 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2200 | overlay = Qnil; | |
2201 | for (i = 0; i < noverlays; i++) | |
2202 | { | |
2203 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2204 | if (!NILP (mouse_face)) | |
2205 | { | |
2206 | overlay = overlay_vec[i]; | |
2207 | break; | |
2208 | } | |
2209 | } | |
2210 | free (overlay_vec); | |
2211 | /* If no overlay applies, get a text property. */ | |
2212 | if (NILP (overlay)) | |
2213 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2214 | ||
2215 | /* Handle the overlay case. */ | |
2216 | if (! NILP (overlay)) | |
2217 | { | |
2218 | /* Find the range of text around this char that | |
2219 | should be active. */ | |
2220 | Lisp_Object before, after; | |
2221 | int ignore; | |
2222 | ||
2223 | before = Foverlay_start (overlay); | |
2224 | after = Foverlay_end (overlay); | |
2225 | /* Record this as the current active region. */ | |
2226 | fast_find_position (window, before, | |
fbd6baed GV |
2227 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col, |
2228 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2229 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end | |
ee78dc32 | 2230 | = !fast_find_position (window, after, |
fbd6baed GV |
2231 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col, |
2232 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row); | |
2233 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = window; | |
2234 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id | |
ee78dc32 GV |
2235 | = compute_char_face (f, w, pos, 0, 0, |
2236 | &ignore, pos + 1, 1); | |
2237 | ||
2238 | /* Display it as active. */ | |
fbd6baed | 2239 | show_mouse_face (FRAME_W32_DISPLAY_INFO (f), 1); |
ee78dc32 GV |
2240 | } |
2241 | /* Handle the text property case. */ | |
2242 | else if (! NILP (mouse_face)) | |
2243 | { | |
2244 | /* Find the range of text around this char that | |
2245 | should be active. */ | |
2246 | Lisp_Object before, after, beginning, end; | |
2247 | int ignore; | |
2248 | ||
2249 | beginning = Fmarker_position (w->start); | |
2250 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
2251 | - XFASTINT (w->window_end_pos))); | |
2252 | before | |
2253 | = Fprevious_single_property_change (make_number (pos + 1), | |
2254 | Qmouse_face, | |
2255 | w->buffer, beginning); | |
2256 | after | |
2257 | = Fnext_single_property_change (position, Qmouse_face, | |
2258 | w->buffer, end); | |
2259 | /* Record this as the current active region. */ | |
2260 | fast_find_position (window, before, | |
fbd6baed GV |
2261 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col, |
2262 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2263 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end | |
ee78dc32 | 2264 | = !fast_find_position (window, after, |
fbd6baed GV |
2265 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col, |
2266 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row); | |
2267 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = window; | |
2268 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id | |
ee78dc32 GV |
2269 | = compute_char_face (f, w, pos, 0, 0, |
2270 | &ignore, pos + 1, 1); | |
2271 | ||
2272 | /* Display it as active. */ | |
fbd6baed | 2273 | show_mouse_face (FRAME_W32_DISPLAY_INFO (f), 1); |
ee78dc32 GV |
2274 | } |
2275 | BEGV = obegv; | |
2276 | ZV = ozv; | |
2277 | current_buffer = obuf; | |
2278 | } | |
2279 | } | |
2280 | } | |
2281 | \f | |
2282 | /* Find the row and column of position POS in window WINDOW. | |
2283 | Store them in *COLUMNP and *ROWP. | |
2284 | This assumes display in WINDOW is up to date. | |
2285 | If POS is above start of WINDOW, return coords | |
2286 | of start of first screen line. | |
2287 | If POS is after end of WINDOW, return coords of end of last screen line. | |
2288 | ||
2289 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
2290 | ||
2291 | static int | |
2292 | fast_find_position (window, pos, columnp, rowp) | |
2293 | Lisp_Object window; | |
2294 | int pos; | |
2295 | int *columnp, *rowp; | |
2296 | { | |
2297 | struct window *w = XWINDOW (window); | |
2298 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2299 | int i; | |
2300 | int row = 0; | |
03218728 | 2301 | int left = WINDOW_LEFT_MARGIN (w); |
ee78dc32 GV |
2302 | int top = w->top; |
2303 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2304 | int width = window_internal_width (w); | |
2305 | int *charstarts; | |
2306 | int lastcol; | |
2307 | int maybe_next_line = 0; | |
2308 | ||
2309 | /* Find the right row. */ | |
2310 | for (i = 0; | |
2311 | i < height; | |
2312 | i++) | |
2313 | { | |
2314 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2315 | if (linestart > pos) | |
2316 | break; | |
2317 | /* If the position sought is the end of the buffer, | |
2318 | don't include the blank lines at the bottom of the window. */ | |
2319 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2320 | { | |
2321 | maybe_next_line = 1; | |
2322 | break; | |
2323 | } | |
2324 | if (linestart > 0) | |
2325 | row = i; | |
2326 | } | |
2327 | ||
2328 | /* Find the right column with in it. */ | |
2329 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
2330 | lastcol = left; | |
2331 | for (i = 0; i < width; i++) | |
2332 | { | |
2333 | if (charstarts[left + i] == pos) | |
2334 | { | |
2335 | *rowp = row + top; | |
2336 | *columnp = i + left; | |
2337 | return 1; | |
2338 | } | |
2339 | else if (charstarts[left + i] > pos) | |
2340 | break; | |
2341 | else if (charstarts[left + i] > 0) | |
2342 | lastcol = left + i; | |
2343 | } | |
2344 | ||
2345 | /* If we're looking for the end of the buffer, | |
2346 | and we didn't find it in the line we scanned, | |
2347 | use the start of the following line. */ | |
2348 | if (maybe_next_line) | |
2349 | { | |
2350 | row++; | |
2351 | i = 0; | |
2352 | } | |
2353 | ||
2354 | *rowp = row + top; | |
2355 | *columnp = lastcol; | |
2356 | return 0; | |
2357 | } | |
2358 | ||
2359 | /* Display the active region described by mouse_face_* | |
2360 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2361 | ||
2362 | static void | |
2363 | show_mouse_face (dpyinfo, hl) | |
fbd6baed | 2364 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
2365 | int hl; |
2366 | { | |
2367 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
2368 | int width = window_internal_width (w); | |
2369 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2370 | int i; | |
2371 | int cursor_off = 0; | |
2372 | int old_curs_x = curs_x; | |
2373 | int old_curs_y = curs_y; | |
2374 | ||
2375 | /* Set these variables temporarily | |
2376 | so that if we have to turn the cursor off and on again | |
2377 | we will put it back at the same place. */ | |
2378 | curs_x = f->phys_cursor_x; | |
2379 | curs_y = f->phys_cursor_y; | |
2380 | ||
fbd6baed GV |
2381 | for (i = FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row; |
2382 | i <= FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
ee78dc32 | 2383 | { |
fbd6baed GV |
2384 | int column = (i == FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
2385 | ? FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col | |
03218728 | 2386 | : WINDOW_LEFT_MARGIN (w)); |
fbd6baed GV |
2387 | int endcolumn = (i == FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
2388 | ? FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col | |
03218728 | 2389 | : WINDOW_LEFT_MARGIN (w) + width); |
ee78dc32 GV |
2390 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
2391 | ||
2392 | /* If the cursor's in the text we are about to rewrite, | |
2393 | turn the cursor off. */ | |
2394 | if (i == curs_y | |
689004fa GV |
2395 | && curs_x >= column - 1 |
2396 | && curs_x <= endcolumn) | |
ee78dc32 GV |
2397 | { |
2398 | x_display_cursor (f, 0); | |
2399 | cursor_off = 1; | |
2400 | } | |
2401 | ||
2402 | dumpglyphs (f, | |
2403 | CHAR_TO_PIXEL_COL (f, column), | |
2404 | CHAR_TO_PIXEL_ROW (f, i), | |
2405 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2406 | endcolumn - column, | |
2407 | /* Highlight with mouse face if hl > 0. */ | |
ef0e360f | 2408 | hl > 0 ? 3 : 0, 0, NULL); |
ee78dc32 GV |
2409 | } |
2410 | ||
2411 | /* If we turned the cursor off, turn it back on. */ | |
2412 | if (cursor_off) | |
2413 | x_display_cursor (f, 1); | |
2414 | ||
2415 | curs_x = old_curs_x; | |
2416 | curs_y = old_curs_y; | |
2417 | ||
2418 | /* Change the mouse cursor according to the value of HL. */ | |
2419 | if (hl > 0) | |
fbd6baed | 2420 | SetCursor (f->output_data.w32->cross_cursor); |
ee78dc32 | 2421 | else |
fbd6baed | 2422 | SetCursor (f->output_data.w32->text_cursor); |
ee78dc32 GV |
2423 | } |
2424 | ||
2425 | /* Clear out the mouse-highlighted active region. | |
2426 | Redraw it unhighlighted first. */ | |
2427 | ||
2428 | static void | |
2429 | clear_mouse_face (dpyinfo) | |
fbd6baed | 2430 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
2431 | { |
2432 | if (! NILP (dpyinfo->mouse_face_window)) | |
2433 | show_mouse_face (dpyinfo, 0); | |
2434 | ||
2435 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
2436 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2437 | dpyinfo->mouse_face_window = Qnil; | |
2438 | } | |
2439 | \f | |
2440 | struct scroll_bar *x_window_to_scroll_bar (); | |
2441 | static void x_scroll_bar_report_motion (); | |
2442 | ||
2443 | /* Return the current position of the mouse. | |
2444 | *fp should be a frame which indicates which display to ask about. | |
2445 | ||
2446 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
2447 | and *part to the frame, window, and scroll bar part that the mouse | |
2448 | is over. Set *x and *y to the portion and whole of the mouse's | |
2449 | position on the scroll bar. | |
2450 | ||
2451 | If the mouse movement started elsewhere, set *fp to the frame the | |
2452 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2453 | the mouse is over. | |
2454 | ||
2455 | Set *time to the server timestamp for the time at which the mouse | |
2456 | was at this position. | |
2457 | ||
2458 | Don't store anything if we don't have a valid set of values to report. | |
2459 | ||
2460 | This clears the mouse_moved flag, so we can wait for the next mouse | |
2461 | movement. This also calls XQueryPointer, which will cause the | |
2462 | server to give us another MotionNotify when the mouse moves | |
2463 | again. */ | |
2464 | ||
2465 | static void | |
fbd6baed | 2466 | w32_mouse_position (fp, insist, bar_window, part, x, y, time) |
ee78dc32 GV |
2467 | FRAME_PTR *fp; |
2468 | int insist; | |
2469 | Lisp_Object *bar_window; | |
2470 | enum scroll_bar_part *part; | |
2471 | Lisp_Object *x, *y; | |
2472 | unsigned long *time; | |
2473 | { | |
2474 | FRAME_PTR f1; | |
2475 | ||
2476 | BLOCK_INPUT; | |
2477 | ||
95fa970d | 2478 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
689004fa | 2479 | /* This is never called at the moment. */ |
ee78dc32 GV |
2480 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
2481 | else | |
2482 | { | |
2483 | POINT pt; | |
2484 | ||
2485 | Lisp_Object frame, tail; | |
2486 | ||
2487 | /* Clear the mouse-moved flag for every frame on this display. */ | |
2488 | FOR_EACH_FRAME (tail, frame) | |
2489 | XFRAME (frame)->mouse_moved = 0; | |
2490 | ||
2491 | last_mouse_scroll_bar = Qnil; | |
2492 | ||
2493 | GetCursorPos (&pt); | |
2494 | ||
2495 | /* Now we have a position on the root; find the innermost window | |
2496 | containing the pointer. */ | |
2497 | { | |
fbd6baed | 2498 | if (FRAME_W32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
ee78dc32 GV |
2499 | && FRAME_LIVE_P (last_mouse_frame)) |
2500 | { | |
08712a41 AI |
2501 | /* If mouse was grabbed on a frame, give coords for that frame |
2502 | even if the mouse is now outside it. */ | |
ee78dc32 GV |
2503 | f1 = last_mouse_frame; |
2504 | } | |
2505 | else | |
2506 | { | |
08712a41 | 2507 | /* Is window under mouse one of our frames? */ |
fbd6baed | 2508 | f1 = x_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); |
ee78dc32 GV |
2509 | } |
2510 | ||
2511 | /* If not, is it one of our scroll bars? */ | |
2512 | if (! f1) | |
2513 | { | |
2514 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); | |
2515 | ||
2516 | if (bar) | |
2517 | { | |
2518 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2519 | } | |
2520 | } | |
2521 | ||
95fa970d | 2522 | if (f1 == 0 && insist > 0) |
ee78dc32 GV |
2523 | f1 = selected_frame; |
2524 | ||
2525 | if (f1) | |
2526 | { | |
2527 | int ignore1, ignore2; | |
2528 | ||
fbd6baed | 2529 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
ee78dc32 GV |
2530 | |
2531 | /* Ok, we found a frame. Store all the values. */ | |
2532 | ||
2533 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, | |
2534 | &last_mouse_glyph, | |
fbd6baed | 2535 | FRAME_W32_DISPLAY_INFO (f1)->grabbed |
ee78dc32 GV |
2536 | || insist); |
2537 | ||
2538 | *bar_window = Qnil; | |
2539 | *part = 0; | |
2540 | *fp = f1; | |
2541 | XSETINT (*x, pt.x); | |
2542 | XSETINT (*y, pt.y); | |
2543 | *time = last_mouse_movement_time; | |
2544 | } | |
2545 | } | |
2546 | } | |
2547 | ||
2548 | UNBLOCK_INPUT; | |
2549 | } | |
2550 | \f | |
2551 | /* Scroll bar support. */ | |
2552 | ||
2553 | /* Given an window ID, find the struct scroll_bar which manages it. | |
2554 | This can be called in GC, so we have to make sure to strip off mark | |
2555 | bits. */ | |
2556 | struct scroll_bar * | |
2557 | x_window_to_scroll_bar (window_id) | |
2558 | Window window_id; | |
2559 | { | |
2560 | Lisp_Object tail, frame; | |
2561 | ||
2562 | for (tail = Vframe_list; | |
2563 | XGCTYPE (tail) == Lisp_Cons; | |
2564 | tail = XCONS (tail)->cdr) | |
2565 | { | |
2566 | Lisp_Object frame, bar, condemned; | |
2567 | ||
2568 | frame = XCONS (tail)->car; | |
2569 | /* All elements of Vframe_list should be frames. */ | |
2570 | if (! GC_FRAMEP (frame)) | |
2571 | abort (); | |
2572 | ||
2573 | /* Scan this frame's scroll bar list for a scroll bar with the | |
2574 | right window ID. */ | |
2575 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
2576 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
2577 | /* This trick allows us to search both the ordinary and | |
2578 | condemned scroll bar lists with one loop. */ | |
2579 | ! GC_NILP (bar) || (bar = condemned, | |
2580 | condemned = Qnil, | |
2581 | ! GC_NILP (bar)); | |
2582 | bar = XSCROLL_BAR (bar)->next) | |
fbd6baed | 2583 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
ee78dc32 GV |
2584 | return XSCROLL_BAR (bar); |
2585 | } | |
2586 | ||
2587 | return 0; | |
2588 | } | |
2589 | ||
2590 | HWND | |
2591 | my_create_scrollbar (f, bar) | |
2592 | struct frame * f; | |
2593 | struct scroll_bar * bar; | |
2594 | { | |
689004fa GV |
2595 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
2596 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
2597 | (LPARAM) bar); | |
ee78dc32 GV |
2598 | } |
2599 | ||
52cf03a1 GV |
2600 | //#define ATTACH_THREADS |
2601 | ||
689004fa GV |
2602 | BOOL |
2603 | my_show_window (FRAME_PTR f, HWND hwnd, int how) | |
52cf03a1 GV |
2604 | { |
2605 | #ifndef ATTACH_THREADS | |
689004fa GV |
2606 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
2607 | (WPARAM) hwnd, (LPARAM) how); | |
52cf03a1 | 2608 | #else |
689004fa | 2609 | return ShowWindow (hwnd, how); |
52cf03a1 GV |
2610 | #endif |
2611 | } | |
2612 | ||
2613 | void | |
2614 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
689004fa | 2615 | int x, int y, int cx, int cy, UINT flags) |
52cf03a1 GV |
2616 | { |
2617 | #ifndef ATTACH_THREADS | |
689004fa GV |
2618 | WINDOWPOS pos; |
2619 | pos.hwndInsertAfter = hwndAfter; | |
52cf03a1 GV |
2620 | pos.x = x; |
2621 | pos.y = y; | |
2622 | pos.cx = cx; | |
2623 | pos.cy = cy; | |
2624 | pos.flags = flags; | |
2625 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
2626 | #else | |
2627 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
2628 | #endif | |
2629 | } | |
2630 | ||
689004fa GV |
2631 | BOOL |
2632 | my_set_focus (f, hwnd) | |
2633 | struct frame * f; | |
2634 | HWND hwnd; | |
2635 | { | |
2636 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, | |
2637 | (WPARAM) hwnd, 0); | |
2638 | } | |
2639 | ||
ef0e360f GV |
2640 | BOOL |
2641 | my_set_foreground_window (hwnd) | |
2642 | HWND hwnd; | |
2643 | { | |
2644 | SendMessage (hwnd, WM_EMACS_SETFOREGROUND, (WPARAM) hwnd, 0); | |
2645 | } | |
2646 | ||
ee78dc32 GV |
2647 | void |
2648 | my_destroy_window (f, hwnd) | |
2649 | struct frame * f; | |
2650 | HWND hwnd; | |
2651 | { | |
fbd6baed | 2652 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
ee78dc32 GV |
2653 | (WPARAM) hwnd, 0); |
2654 | } | |
2655 | ||
2656 | /* Open a new window to serve as a scroll bar, and return the | |
2657 | scroll bar vector for it. */ | |
2658 | static struct scroll_bar * | |
2659 | x_scroll_bar_create (window, top, left, width, height) | |
2660 | struct window *window; | |
2661 | int top, left, width, height; | |
2662 | { | |
2663 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2664 | struct scroll_bar *bar | |
2665 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
2666 | HWND hwnd; | |
2667 | ||
2668 | BLOCK_INPUT; | |
2669 | ||
2670 | XSETWINDOW (bar->window, window); | |
2671 | XSETINT (bar->top, top); | |
2672 | XSETINT (bar->left, left); | |
2673 | XSETINT (bar->width, width); | |
2674 | XSETINT (bar->height, height); | |
2675 | XSETINT (bar->start, 0); | |
2676 | XSETINT (bar->end, 0); | |
2677 | bar->dragging = Qnil; | |
2678 | ||
2679 | /* Requires geometry to be set before call to create the real window */ | |
2680 | ||
2681 | hwnd = my_create_scrollbar (f, bar); | |
2682 | ||
689004fa GV |
2683 | if (pfnSetScrollInfo) |
2684 | { | |
2685 | SCROLLINFO si; | |
2686 | ||
2687 | si.cbSize = sizeof (si); | |
2688 | si.fMask = SIF_ALL; | |
2689 | si.nMin = 0; | |
2690 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (height) | |
2691 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
2692 | si.nPage = si.nMax; | |
2693 | si.nPos = 0; | |
2694 | ||
2695 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); | |
2696 | } | |
2697 | else | |
2698 | { | |
2699 | SetScrollRange (hwnd, SB_CTL, 0, VERTICAL_SCROLL_BAR_TOP_RANGE (height), FALSE); | |
2700 | SetScrollPos (hwnd, SB_CTL, 0, FALSE); | |
2701 | } | |
ee78dc32 | 2702 | |
fbd6baed | 2703 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
ee78dc32 GV |
2704 | |
2705 | /* Add bar to its frame's list of scroll bars. */ | |
2706 | bar->next = FRAME_SCROLL_BARS (f); | |
2707 | bar->prev = Qnil; | |
2708 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
2709 | if (! NILP (bar->next)) | |
2710 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
2711 | ||
2712 | UNBLOCK_INPUT; | |
2713 | ||
2714 | return bar; | |
2715 | } | |
2716 | ||
2717 | /* Draw BAR's handle in the proper position. | |
2718 | If the handle is already drawn from START to END, don't bother | |
2719 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2720 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2721 | events.) | |
2722 | ||
2723 | Normally, we want to constrain the start and end of the handle to | |
2724 | fit inside its rectangle, but if the user is dragging the scroll bar | |
2725 | handle, we want to let them drag it down all the way, so that the | |
2726 | bar's top is as far down as it goes; otherwise, there's no way to | |
2727 | move to the very end of the buffer. */ | |
2728 | static void | |
2729 | x_scroll_bar_set_handle (bar, start, end, rebuild) | |
2730 | struct scroll_bar *bar; | |
2731 | int start, end; | |
2732 | int rebuild; | |
2733 | { | |
2734 | int dragging = ! NILP (bar->dragging); | |
fbd6baed | 2735 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
2736 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2737 | ||
2738 | /* If the display is already accurate, do nothing. */ | |
2739 | if (! rebuild | |
2740 | && start == XINT (bar->start) | |
2741 | && end == XINT (bar->end)) | |
2742 | return; | |
2743 | ||
2744 | BLOCK_INPUT; | |
2745 | ||
689004fa GV |
2746 | { |
2747 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2748 | ||
2749 | /* Make sure the values are reasonable, and try to preserve | |
2750 | the distance between start and end. */ | |
2751 | { | |
2752 | int length = end - start; | |
2753 | ||
2754 | if (start < 0) | |
2755 | start = 0; | |
2756 | else if (start > top_range) | |
2757 | start = top_range; | |
2758 | end = start + length; | |
2759 | ||
2760 | if (end < start) | |
2761 | end = start; | |
2762 | else if (end > top_range && ! dragging) | |
2763 | end = top_range; | |
2764 | } | |
2765 | } | |
2766 | ||
ee78dc32 GV |
2767 | /* Store the adjusted setting in the scroll bar. */ |
2768 | XSETINT (bar->start, start); | |
2769 | XSETINT (bar->end, end); | |
2770 | ||
689004fa GV |
2771 | /* If being dragged, let scroll bar update itself. */ |
2772 | if (!dragging) | |
2773 | { | |
2774 | if (pfnSetScrollInfo) | |
2775 | { | |
2776 | SCROLLINFO si; | |
2777 | ||
2778 | si.cbSize = sizeof (si); | |
2779 | si.fMask = SIF_PAGE | SIF_POS; | |
2780 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
2781 | si.nPos = start; | |
2782 | ||
2783 | pfnSetScrollInfo (w, SB_CTL, &si, TRUE); | |
2784 | } | |
2785 | else | |
2786 | SetScrollPos (w, SB_CTL, start, TRUE); | |
2787 | } | |
ee78dc32 GV |
2788 | |
2789 | UNBLOCK_INPUT; | |
2790 | } | |
2791 | ||
2792 | /* Move a scroll bar around on the screen, to accommodate changing | |
2793 | window configurations. */ | |
2794 | static void | |
2795 | x_scroll_bar_move (bar, top, left, width, height) | |
2796 | struct scroll_bar *bar; | |
2797 | int top, left, width, height; | |
2798 | { | |
fbd6baed | 2799 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
2800 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2801 | ||
689004fa GV |
2802 | /* If already correctly positioned, do nothing. */ |
2803 | if ( XINT (bar->left) == left | |
2804 | && XINT (bar->top) == top | |
2805 | && XINT (bar->width) == width | |
2806 | && XINT (bar->height) == height ) | |
2807 | { | |
2808 | /* Redraw after clear_frame. */ | |
2809 | if (!my_show_window (f, w, SW_NORMAL)) | |
2810 | InvalidateRect (w, NULL, FALSE); | |
2811 | return; | |
2812 | } | |
2813 | ||
ee78dc32 GV |
2814 | BLOCK_INPUT; |
2815 | ||
689004fa GV |
2816 | /* Make sure scroll bar is "visible" before moving, to ensure the |
2817 | area of the parent window now exposed will be refreshed. */ | |
2818 | my_show_window (f, w, SW_HIDE); | |
ee78dc32 | 2819 | MoveWindow (w, left, top, width, height, TRUE); |
689004fa GV |
2820 | if (pfnSetScrollInfo) |
2821 | { | |
2822 | SCROLLINFO si; | |
2823 | ||
2824 | si.cbSize = sizeof (si); | |
2825 | si.fMask = SIF_RANGE; | |
2826 | si.nMin = 0; | |
2827 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (height) | |
2828 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
2829 | ||
2830 | pfnSetScrollInfo (w, SB_CTL, &si, FALSE); | |
2831 | } | |
2832 | else | |
2833 | SetScrollRange (w, SB_CTL, 0, VERTICAL_SCROLL_BAR_TOP_RANGE (height), FALSE); | |
2834 | my_show_window (f, w, SW_NORMAL); | |
2835 | // InvalidateRect (w, NULL, FALSE); | |
ee78dc32 GV |
2836 | |
2837 | XSETINT (bar->left, left); | |
2838 | XSETINT (bar->top, top); | |
2839 | XSETINT (bar->width, width); | |
2840 | XSETINT (bar->height, height); | |
2841 | ||
2842 | UNBLOCK_INPUT; | |
2843 | } | |
2844 | ||
2845 | /* Destroy the window for BAR, and set its Emacs window's scroll bar | |
2846 | to nil. */ | |
2847 | static void | |
2848 | x_scroll_bar_remove (bar) | |
2849 | struct scroll_bar *bar; | |
2850 | { | |
2851 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2852 | ||
2853 | BLOCK_INPUT; | |
2854 | ||
2855 | /* Destroy the window. */ | |
fbd6baed | 2856 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
ee78dc32 GV |
2857 | |
2858 | /* Disassociate this scroll bar from its window. */ | |
2859 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
2860 | ||
2861 | UNBLOCK_INPUT; | |
2862 | } | |
2863 | ||
2864 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2865 | that we are displaying PORTION characters out of a total of WHOLE | |
2866 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
2867 | create one. */ | |
2868 | static void | |
fbd6baed | 2869 | w32_set_vertical_scroll_bar (window, portion, whole, position) |
ee78dc32 GV |
2870 | struct window *window; |
2871 | int portion, whole, position; | |
2872 | { | |
2873 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2874 | int top = XINT (window->top); | |
2875 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); | |
2876 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
2877 | ||
2878 | /* Where should this scroll bar be, pixelwise? */ | |
2879 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); | |
2880 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
2881 | int pixel_width | |
2882 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2883 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
fbd6baed | 2884 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
ee78dc32 GV |
2885 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
2886 | ||
2887 | struct scroll_bar *bar; | |
2888 | ||
2889 | /* Does the scroll bar exist yet? */ | |
2890 | if (NILP (window->vertical_scroll_bar)) | |
2891 | bar = x_scroll_bar_create (window, | |
2892 | pixel_top, pixel_left, | |
2893 | pixel_width, pixel_height); | |
2894 | else | |
2895 | { | |
2896 | /* It may just need to be moved and resized. */ | |
2897 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2898 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
2899 | } | |
2900 | ||
689004fa GV |
2901 | /* Set the scroll bar's current state. */ |
2902 | { | |
2903 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); | |
ee78dc32 | 2904 | |
689004fa GV |
2905 | if (whole == 0) |
2906 | x_scroll_bar_set_handle (bar, 0, top_range, 0); | |
2907 | else | |
2908 | { | |
2909 | int start = (int) (((double) position * top_range) / whole); | |
2910 | int end = (int) (((double) (position + portion) * top_range) / whole); | |
ee78dc32 | 2911 | |
689004fa GV |
2912 | x_scroll_bar_set_handle (bar, start, end, 0); |
2913 | } | |
2914 | } | |
ee78dc32 GV |
2915 | |
2916 | XSETVECTOR (window->vertical_scroll_bar, bar); | |
2917 | } | |
2918 | ||
2919 | ||
2920 | /* The following three hooks are used when we're doing a thorough | |
2921 | redisplay of the frame. We don't explicitly know which scroll bars | |
2922 | are going to be deleted, because keeping track of when windows go | |
2923 | away is a real pain - "Can you say set-window-configuration, boys | |
2924 | and girls?" Instead, we just assert at the beginning of redisplay | |
2925 | that *all* scroll bars are to be removed, and then save a scroll bar | |
2926 | from the fiery pit when we actually redisplay its window. */ | |
2927 | ||
2928 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
2929 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2930 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
2931 | static void | |
fbd6baed | 2932 | w32_condemn_scroll_bars (frame) |
ee78dc32 GV |
2933 | FRAME_PTR frame; |
2934 | { | |
ef0e360f GV |
2935 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
2936 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
2937 | { | |
2938 | Lisp_Object bar; | |
2939 | bar = FRAME_SCROLL_BARS (frame); | |
2940 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
2941 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
2942 | XSCROLL_BAR (bar)->prev = Qnil; | |
2943 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2944 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
2945 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
2946 | } | |
2947 | #ifdef PIGSFLY | |
ee78dc32 GV |
2948 | /* The condemned list should be empty at this point; if it's not, |
2949 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2950 | protocol correctly. */ | |
2951 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2952 | abort (); | |
2953 | ||
2954 | /* Move them all to the "condemned" list. */ | |
2955 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); | |
2956 | FRAME_SCROLL_BARS (frame) = Qnil; | |
ef0e360f | 2957 | #endif |
ee78dc32 GV |
2958 | } |
2959 | ||
2960 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. | |
2961 | Note that WINDOW isn't necessarily condemned at all. */ | |
2962 | static void | |
fbd6baed | 2963 | w32_redeem_scroll_bar (window) |
ee78dc32 GV |
2964 | struct window *window; |
2965 | { | |
2966 | struct scroll_bar *bar; | |
2967 | ||
2968 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
2969 | if (NILP (window->vertical_scroll_bar)) | |
2970 | abort (); | |
2971 | ||
2972 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2973 | ||
ef0e360f GV |
2974 | /* Unlink it from the condemned list. */ |
2975 | { | |
2976 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2977 | ||
2978 | if (NILP (bar->prev)) | |
2979 | { | |
2980 | /* If the prev pointer is nil, it must be the first in one of | |
2981 | the lists. */ | |
2982 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
2983 | /* It's not condemned. Everything's fine. */ | |
2984 | return; | |
2985 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
2986 | window->vertical_scroll_bar)) | |
2987 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
2988 | else | |
2989 | /* If its prev pointer is nil, it must be at the front of | |
2990 | one or the other! */ | |
2991 | abort (); | |
2992 | } | |
2993 | else | |
2994 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
2995 | ||
2996 | if (! NILP (bar->next)) | |
2997 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
2998 | ||
2999 | bar->next = FRAME_SCROLL_BARS (f); | |
3000 | bar->prev = Qnil; | |
3001 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
3002 | if (! NILP (bar->next)) | |
3003 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
3004 | } | |
3005 | #ifdef PIGSFLY | |
3006 | struct scroll_bar *bar; | |
3007 | ||
3008 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
3009 | if (NILP (window->vertical_scroll_bar)) | |
3010 | abort (); | |
3011 | ||
3012 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
3013 | ||
ee78dc32 GV |
3014 | /* Unlink it from the condemned list. */ |
3015 | { | |
3016 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
3017 | ||
3018 | if (NILP (bar->prev)) | |
3019 | { | |
3020 | /* If the prev pointer is nil, it must be the first in one of | |
3021 | the lists. */ | |
3022 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
3023 | /* It's not condemned. Everything's fine. */ | |
3024 | return; | |
3025 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
3026 | window->vertical_scroll_bar)) | |
3027 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
3028 | else | |
3029 | /* If its prev pointer is nil, it must be at the front of | |
3030 | one or the other! */ | |
3031 | abort (); | |
3032 | } | |
3033 | else | |
3034 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
3035 | ||
3036 | if (! NILP (bar->next)) | |
3037 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
3038 | ||
3039 | bar->next = FRAME_SCROLL_BARS (f); | |
3040 | bar->prev = Qnil; | |
3041 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
3042 | if (! NILP (bar->next)) | |
3043 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
3044 | } | |
ef0e360f | 3045 | #endif |
ee78dc32 GV |
3046 | } |
3047 | ||
3048 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
3049 | last call to `*condemn_scroll_bars_hook'. */ | |
3050 | static void | |
fbd6baed | 3051 | w32_judge_scroll_bars (f) |
ee78dc32 GV |
3052 | FRAME_PTR f; |
3053 | { | |
3054 | Lisp_Object bar, next; | |
3055 | ||
3056 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
3057 | ||
3058 | /* Clear out the condemned list now so we won't try to process any | |
3059 | more events on the hapless scroll bars. */ | |
3060 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
3061 | ||
3062 | for (; ! NILP (bar); bar = next) | |
3063 | { | |
3064 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
3065 | ||
3066 | x_scroll_bar_remove (b); | |
3067 | ||
3068 | next = b->next; | |
3069 | b->next = b->prev = Qnil; | |
3070 | } | |
3071 | ||
3072 | /* Now there should be no references to the condemned scroll bars, | |
3073 | and they should get garbage-collected. */ | |
ef0e360f GV |
3074 | #ifdef PIGSFLY |
3075 | Lisp_Object bar, next; | |
3076 | ||
3077 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
3078 | ||
3079 | /* Clear out the condemned list now so we won't try to process any | |
3080 | more events on the hapless scroll bars. */ | |
3081 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
3082 | ||
3083 | for (; ! NILP (bar); bar = next) | |
3084 | { | |
3085 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
3086 | ||
3087 | x_scroll_bar_remove (b); | |
3088 | ||
3089 | next = b->next; | |
3090 | b->next = b->prev = Qnil; | |
3091 | } | |
3092 | ||
3093 | /* Now there should be no references to the condemned scroll bars, | |
3094 | and they should get garbage-collected. */ | |
3095 | #endif | |
ee78dc32 GV |
3096 | } |
3097 | ||
3098 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
3099 | is set to something other than no_event, it is enqueued. | |
3100 | ||
3101 | This may be called from a signal handler, so we have to ignore GC | |
3102 | mark bits. */ | |
2c28562d | 3103 | |
52cf03a1 | 3104 | static int |
ee78dc32 GV |
3105 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
3106 | struct scroll_bar *bar; | |
fbd6baed | 3107 | W32Msg *msg; |
ee78dc32 GV |
3108 | struct input_event *emacs_event; |
3109 | { | |
3110 | if (! GC_WINDOWP (bar->window)) | |
3111 | abort (); | |
3112 | ||
fbd6baed | 3113 | emacs_event->kind = w32_scroll_bar_click; |
ee78dc32 | 3114 | emacs_event->code = 0; |
52cf03a1 GV |
3115 | /* not really meaningful to distinguish up/down */ |
3116 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 GV |
3117 | emacs_event->frame_or_window = bar->window; |
3118 | emacs_event->timestamp = msg->msg.time; | |
3119 | ||
3120 | { | |
689004fa GV |
3121 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3122 | int y; | |
3123 | int dragging = !NILP (bar->dragging); | |
3124 | ||
3125 | if (pfnGetScrollInfo) | |
3126 | { | |
3127 | SCROLLINFO si; | |
3128 | ||
3129 | si.cbSize = sizeof (si); | |
3130 | si.fMask = SIF_POS; | |
3131 | ||
3132 | pfnGetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); | |
3133 | y = si.nPos; | |
3134 | } | |
3135 | else | |
3136 | y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
3137 | ||
3138 | bar->dragging = Qnil; | |
ee78dc32 GV |
3139 | |
3140 | switch (LOWORD (msg->msg.wParam)) | |
2c28562d | 3141 | { |
2c28562d | 3142 | case SB_LINEDOWN: |
52cf03a1 | 3143 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 3144 | break; |
2c28562d | 3145 | case SB_LINEUP: |
52cf03a1 | 3146 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 3147 | break; |
2c28562d | 3148 | case SB_PAGEUP: |
ee78dc32 GV |
3149 | emacs_event->part = scroll_bar_above_handle; |
3150 | break; | |
2c28562d | 3151 | case SB_PAGEDOWN: |
ee78dc32 GV |
3152 | emacs_event->part = scroll_bar_below_handle; |
3153 | break; | |
2c28562d | 3154 | case SB_TOP: |
ee78dc32 GV |
3155 | emacs_event->part = scroll_bar_handle; |
3156 | y = 0; | |
3157 | break; | |
2c28562d | 3158 | case SB_BOTTOM: |
ee78dc32 GV |
3159 | emacs_event->part = scroll_bar_handle; |
3160 | y = top_range; | |
3161 | break; | |
689004fa | 3162 | case SB_THUMBTRACK: |
2c28562d | 3163 | case SB_THUMBPOSITION: |
689004fa GV |
3164 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) |
3165 | y = HIWORD (msg->msg.wParam); | |
3166 | bar->dragging = Qt; | |
ee78dc32 | 3167 | emacs_event->part = scroll_bar_handle; |
689004fa GV |
3168 | |
3169 | /* "Silently" update current position. */ | |
3170 | if (pfnSetScrollInfo) | |
3171 | { | |
3172 | SCROLLINFO si; | |
3173 | ||
3174 | si.cbSize = sizeof (si); | |
3175 | si.fMask = SIF_POS; | |
3176 | ||
3177 | #if 0 | |
3178 | /* Shrink handle if necessary to allow full range for position. */ | |
3179 | { | |
3180 | int start = XINT (bar->start); | |
3181 | int end = XINT (bar->end); | |
3182 | int len = end - start; | |
3183 | ||
3184 | /* If new end is nearly hitting bottom, we must shrink | |
3185 | handle. How much we shrink it depends on the relative | |
3186 | sizes of len and top_range. */ | |
3187 | if (y + len > top_range - 2) | |
3188 | { | |
3189 | len -= min (top_range / 10, (len / 3) + 2); | |
3190 | if (len < 0) | |
3191 | len = 0; | |
3192 | } | |
3193 | si.nPage = len + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
3194 | si.fMask |= SIF_PAGE; | |
3195 | } | |
3196 | #endif | |
3197 | si.nPos = y; | |
3198 | /* Remember apparent position (we actually lag behind the real | |
3199 | position, so don't set that directly. */ | |
3200 | last_scroll_bar_drag_pos = y; | |
3201 | ||
3202 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); | |
3203 | } | |
3204 | else | |
3205 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, FALSE); | |
ee78dc32 | 3206 | break; |
2c28562d | 3207 | case SB_ENDSCROLL: |
689004fa GV |
3208 | /* If this is the end of a drag sequence, then reset the scroll |
3209 | handle size to normal and do a final redraw. Otherwise do | |
3210 | nothing. */ | |
3211 | if (dragging) | |
3212 | { | |
3213 | if (pfnSetScrollInfo) | |
3214 | { | |
3215 | SCROLLINFO si; | |
3216 | int start = XINT (bar->start); | |
3217 | int end = XINT (bar->end); | |
3218 | ||
3219 | si.cbSize = sizeof (si); | |
3220 | si.fMask = SIF_PAGE | SIF_POS; | |
3221 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
3222 | si.nPos = last_scroll_bar_drag_pos; | |
3223 | ||
3224 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); | |
3225 | } | |
3226 | else | |
3227 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, TRUE); | |
3228 | } | |
3229 | /* fall through */ | |
2c28562d | 3230 | default: |
689004fa | 3231 | emacs_event->kind = no_event; |
52cf03a1 | 3232 | return FALSE; |
2c28562d | 3233 | } |
52cf03a1 | 3234 | |
ee78dc32 GV |
3235 | XSETINT (emacs_event->x, y); |
3236 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
3237 | |
3238 | return TRUE; | |
ee78dc32 GV |
3239 | } |
3240 | } | |
3241 | ||
3242 | /* Return information to the user about the current position of the mouse | |
3243 | on the scroll bar. */ | |
3244 | static void | |
3245 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
3246 | FRAME_PTR *fp; | |
3247 | Lisp_Object *bar_window; | |
3248 | enum scroll_bar_part *part; | |
3249 | Lisp_Object *x, *y; | |
3250 | unsigned long *time; | |
3251 | { | |
3252 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
fbd6baed | 3253 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
3254 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
3255 | int pos; | |
689004fa | 3256 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
ee78dc32 GV |
3257 | |
3258 | BLOCK_INPUT; | |
3259 | ||
3260 | *fp = f; | |
3261 | *bar_window = bar->window; | |
3262 | ||
689004fa GV |
3263 | if (pfnGetScrollInfo) |
3264 | { | |
3265 | SCROLLINFO si; | |
3266 | ||
3267 | si.cbSize = sizeof (si); | |
3268 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; | |
3269 | ||
3270 | pfnGetScrollInfo (w, SB_CTL, &si); | |
3271 | pos = si.nPos; | |
3272 | top_range = si.nMax - si.nPage + 1; | |
3273 | } | |
3274 | else | |
3275 | pos = GetScrollPos (w, SB_CTL); | |
ee78dc32 GV |
3276 | |
3277 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
3278 | { | |
3279 | case SB_THUMBPOSITION: | |
3280 | case SB_THUMBTRACK: | |
3281 | *part = scroll_bar_handle; | |
3282 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) | |
3283 | pos = HIWORD (last_mouse_scroll_bar_pos); | |
3284 | break; | |
3285 | case SB_LINEDOWN: | |
3286 | *part = scroll_bar_handle; | |
3287 | pos++; | |
3288 | break; | |
3289 | default: | |
3290 | *part = scroll_bar_handle; | |
3291 | break; | |
3292 | } | |
3293 | ||
3294 | XSETINT(*x, pos); | |
689004fa | 3295 | XSETINT(*y, top_range); |
ee78dc32 GV |
3296 | |
3297 | f->mouse_moved = 0; | |
3298 | last_mouse_scroll_bar = Qnil; | |
3299 | ||
3300 | *time = last_mouse_movement_time; | |
3301 | ||
3302 | UNBLOCK_INPUT; | |
3303 | } | |
3304 | ||
3305 | /* The screen has been cleared so we may have changed foreground or | |
3306 | background colors, and the scroll bars may need to be redrawn. | |
3307 | Clear out the scroll bars, and ask for expose events, so we can | |
3308 | redraw them. */ | |
3309 | ||
3310 | x_scroll_bar_clear (f) | |
3311 | FRAME_PTR f; | |
3312 | { | |
ee78dc32 GV |
3313 | Lisp_Object bar; |
3314 | ||
3315 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
3316 | bar = XSCROLL_BAR (bar)->next) | |
52cf03a1 | 3317 | { |
fbd6baed | 3318 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
52cf03a1 GV |
3319 | HDC hdc = GetDC (window); |
3320 | RECT rect; | |
3321 | ||
689004fa GV |
3322 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
3323 | arranges to refresh the scroll bar if hidden. */ | |
3324 | my_show_window (f, window, SW_HIDE); | |
3325 | ||
52cf03a1 GV |
3326 | GetClientRect (window, &rect); |
3327 | select_palette (f, hdc); | |
fbd6baed | 3328 | w32_clear_rect (f, hdc, &rect); |
52cf03a1 | 3329 | deselect_palette (f, hdc); |
689004fa GV |
3330 | |
3331 | ReleaseDC (window, hdc); | |
52cf03a1 GV |
3332 | } |
3333 | } | |
3334 | ||
3335 | show_scroll_bars (f, how) | |
3336 | FRAME_PTR f; | |
3337 | int how; | |
3338 | { | |
3339 | Lisp_Object bar; | |
3340 | ||
3341 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
3342 | bar = XSCROLL_BAR (bar)->next) | |
3343 | { | |
fbd6baed | 3344 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
689004fa | 3345 | my_show_window (f, window, how); |
52cf03a1 | 3346 | } |
ee78dc32 GV |
3347 | } |
3348 | ||
3349 | \f | |
fbd6baed | 3350 | /* The main W32 event-reading loop - w32_read_socket. */ |
ee78dc32 GV |
3351 | |
3352 | /* Timestamp of enter window event. This is only used by w32_read_socket, | |
3353 | but we have to put it out here, since static variables within functions | |
3354 | sometimes don't work. */ | |
3355 | static Time enter_timestamp; | |
3356 | ||
3357 | /* Record the last 100 characters stored | |
3358 | to help debug the loss-of-chars-during-GC problem. */ | |
3359 | int temp_index; | |
3360 | short temp_buffer[100]; | |
3361 | ||
afd153f0 | 3362 | |
fbd6baed | 3363 | /* Read events coming from the W32 shell. |
ee78dc32 GV |
3364 | This routine is called by the SIGIO handler. |
3365 | We return as soon as there are no more events to be read. | |
3366 | ||
3367 | Events representing keys are stored in buffer BUFP, | |
3368 | which can hold up to NUMCHARS characters. | |
3369 | We return the number of characters stored into the buffer, | |
3370 | thus pretending to be `read'. | |
3371 | ||
ee78dc32 GV |
3372 | EXPECTED is nonzero if the caller knows input is available. |
3373 | ||
3374 | Some of these messages are reposted back to the message queue since the | |
e9e23e23 GV |
3375 | system calls the windows proc directly in a context where we cannot return |
3376 | the data nor can we guarantee the state we are in. So if we dispatch them | |
ee78dc32 GV |
3377 | we will get into an infinite loop. To prevent this from ever happening we |
3378 | will set a variable to indicate we are in the read_socket call and indicate | |
e9e23e23 GV |
3379 | which message we are processing since the windows proc gets called |
3380 | recursively with different messages by the system. | |
ee78dc32 GV |
3381 | */ |
3382 | ||
3383 | int | |
3aad7613 | 3384 | w32_read_socket (sd, bufp, numchars, expected) |
ee78dc32 GV |
3385 | register int sd; |
3386 | register struct input_event *bufp; | |
3387 | register int numchars; | |
ee78dc32 GV |
3388 | int expected; |
3389 | { | |
3390 | int count = 0; | |
689004fa | 3391 | int check_visibility = 0; |
fbd6baed | 3392 | W32Msg msg; |
ee78dc32 | 3393 | struct frame *f; |
ee78dc32 | 3394 | Lisp_Object part; |
fbd6baed | 3395 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
3396 | |
3397 | if (interrupt_input_blocked) | |
3398 | { | |
3399 | interrupt_input_pending = 1; | |
3400 | return -1; | |
3401 | } | |
3402 | ||
3403 | interrupt_input_pending = 0; | |
3404 | BLOCK_INPUT; | |
3405 | ||
3406 | /* So people can tell when we have read the available input. */ | |
3407 | input_signal_count++; | |
3408 | ||
3409 | if (numchars <= 0) | |
3410 | abort (); /* Don't think this happens. */ | |
3411 | ||
52cf03a1 | 3412 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
3413 | { |
3414 | switch (msg.msg.message) | |
3415 | { | |
ee78dc32 | 3416 | case WM_PAINT: |
ee78dc32 GV |
3417 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
3418 | ||
3419 | if (f) | |
3420 | { | |
014b6ea1 GV |
3421 | if (msg.rect.right == msg.rect.left || |
3422 | msg.rect.bottom == msg.rect.top) | |
ee78dc32 | 3423 | { |
014b6ea1 GV |
3424 | /* We may get paint messages even though the client |
3425 | area is clipped - these are not expose events. */ | |
3426 | DebPrint (("clipped frame %04x (%s) got WM_PAINT\n", f, | |
3427 | XSTRING (f->name)->data)); | |
3428 | } | |
3429 | else if (f->async_visible != 1) | |
3430 | { | |
3431 | /* Definitely not obscured, so mark as visible. */ | |
ee78dc32 GV |
3432 | f->async_visible = 1; |
3433 | f->async_iconified = 0; | |
3434 | SET_FRAME_GARBAGED (f); | |
014b6ea1 GV |
3435 | DebPrint (("frame %04x (%s) reexposed\n", f, |
3436 | XSTRING (f->name)->data)); | |
689004fa GV |
3437 | |
3438 | /* WM_PAINT serves as MapNotify as well, so report | |
3439 | visibility changes properly. */ | |
3440 | if (f->iconified) | |
3441 | { | |
3442 | bufp->kind = deiconify_event; | |
3443 | XSETFRAME (bufp->frame_or_window, f); | |
3444 | bufp++; | |
3445 | count++; | |
3446 | numchars--; | |
3447 | } | |
3448 | else if (! NILP(Vframe_list) | |
3449 | && ! NILP (XCONS (Vframe_list)->cdr)) | |
3450 | /* Force a redisplay sooner or later to update the | |
3451 | frame titles in case this is the second frame. */ | |
3452 | record_asynch_buffer_change (); | |
ee78dc32 GV |
3453 | } |
3454 | else | |
3455 | { | |
97e6de38 | 3456 | /* Erase background again for safety. */ |
fbd6baed | 3457 | w32_clear_rect (f, NULL, &msg.rect); |
ee78dc32 GV |
3458 | dumprectangle (f, |
3459 | msg.rect.left, | |
3460 | msg.rect.top, | |
689004fa GV |
3461 | msg.rect.right - msg.rect.left, |
3462 | msg.rect.bottom - msg.rect.top); | |
ee78dc32 GV |
3463 | } |
3464 | } | |
52cf03a1 | 3465 | break; |
689004fa | 3466 | |
f98169a0 GV |
3467 | case WM_INPUTLANGCHANGE: |
3468 | /* Generate a language change event. */ | |
3469 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3470 | ||
3471 | if (f) | |
3472 | { | |
3473 | if (numchars == 0) | |
3474 | abort (); | |
3475 | ||
3476 | bufp->kind = language_change_event; | |
3477 | XSETFRAME (bufp->frame_or_window, f); | |
3478 | bufp->code = msg.msg.wParam; | |
3479 | bufp->modifiers = msg.msg.lParam & 0xffff; | |
3480 | bufp++; | |
3481 | count++; | |
3482 | numchars--; | |
3483 | } | |
3484 | break; | |
3485 | ||
ee78dc32 GV |
3486 | case WM_KEYDOWN: |
3487 | case WM_SYSKEYDOWN: | |
3488 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3489 | ||
3490 | if (f && !f->iconified) | |
3491 | { | |
3492 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3493 | temp_index = 0; | |
3494 | temp_buffer[temp_index++] = msg.msg.wParam; | |
3495 | bufp->kind = non_ascii_keystroke; | |
3496 | bufp->code = msg.msg.wParam; | |
f98169a0 | 3497 | bufp->modifiers = msg.dwModifiers; |
ee78dc32 GV |
3498 | XSETFRAME (bufp->frame_or_window, f); |
3499 | bufp->timestamp = msg.msg.time; | |
3500 | bufp++; | |
3501 | numchars--; | |
3502 | count++; | |
3503 | } | |
3504 | break; | |
689004fa | 3505 | |
ee78dc32 GV |
3506 | case WM_SYSCHAR: |
3507 | case WM_CHAR: | |
3508 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3509 | ||
3510 | if (f && !f->iconified) | |
3511 | { | |
f98169a0 GV |
3512 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3513 | temp_index = 0; | |
3514 | temp_buffer[temp_index++] = msg.msg.wParam; | |
3515 | bufp->kind = ascii_keystroke; | |
3516 | bufp->code = msg.msg.wParam; | |
3517 | bufp->modifiers = msg.dwModifiers; | |
3518 | XSETFRAME (bufp->frame_or_window, f); | |
3519 | bufp->timestamp = msg.msg.time; | |
3520 | bufp++; | |
3521 | numchars--; | |
3522 | count++; | |
ee78dc32 GV |
3523 | } |
3524 | break; | |
689004fa | 3525 | |
ee78dc32 GV |
3526 | case WM_MOUSEMOVE: |
3527 | if (dpyinfo->grabbed && last_mouse_frame | |
3528 | && FRAME_LIVE_P (last_mouse_frame)) | |
3529 | f = last_mouse_frame; | |
3530 | else | |
3531 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3532 | ||
3533 | if (f) | |
3534 | note_mouse_movement (f, &msg.msg); | |
3535 | else | |
fbd6baed | 3536 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
ee78dc32 GV |
3537 | |
3538 | break; | |
689004fa | 3539 | |
ee78dc32 GV |
3540 | case WM_LBUTTONDOWN: |
3541 | case WM_LBUTTONUP: | |
3542 | case WM_MBUTTONDOWN: | |
3543 | case WM_MBUTTONUP: | |
3544 | case WM_RBUTTONDOWN: | |
3545 | case WM_RBUTTONUP: | |
3546 | { | |
3547 | int button; | |
3548 | int up; | |
3549 | ||
3550 | if (dpyinfo->grabbed && last_mouse_frame | |
3551 | && FRAME_LIVE_P (last_mouse_frame)) | |
3552 | f = last_mouse_frame; | |
3553 | else | |
3554 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3555 | ||
3556 | if (f) | |
3557 | { | |
fbd6baed | 3558 | if ((!dpyinfo->w32_focus_frame || f == dpyinfo->w32_focus_frame) |
ee78dc32 GV |
3559 | && (numchars >= 1)) |
3560 | { | |
3561 | construct_mouse_click (bufp, &msg, f); | |
3562 | bufp++; | |
3563 | count++; | |
3564 | numchars--; | |
3565 | } | |
3566 | } | |
3567 | ||
3568 | parse_button (msg.msg.message, &button, &up); | |
3569 | ||
3570 | if (up) | |
3571 | { | |
3572 | dpyinfo->grabbed &= ~ (1 << button); | |
3573 | } | |
3574 | else | |
3575 | { | |
3576 | dpyinfo->grabbed |= (1 << button); | |
3577 | last_mouse_frame = f; | |
3578 | } | |
689004fa | 3579 | break; |
ee78dc32 GV |
3580 | } |
3581 | ||
689004fa GV |
3582 | case WM_MOUSEWHEEL: |
3583 | if (dpyinfo->grabbed && last_mouse_frame | |
3584 | && FRAME_LIVE_P (last_mouse_frame)) | |
3585 | f = last_mouse_frame; | |
3586 | else | |
3587 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3588 | ||
3589 | if (f) | |
3590 | { | |
3591 | if ((!dpyinfo->w32_focus_frame | |
3592 | || f == dpyinfo->w32_focus_frame) | |
3593 | && (numchars >= 1)) | |
3594 | { | |
3595 | construct_mouse_wheel (bufp, &msg, f); | |
3596 | bufp++; | |
3597 | count++; | |
3598 | numchars--; | |
3599 | } | |
3600 | } | |
ee78dc32 | 3601 | break; |
689004fa | 3602 | |
12857dfd RS |
3603 | case WM_DROPFILES: |
3604 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3605 | ||
3606 | if (f) | |
3607 | { | |
3608 | construct_drag_n_drop (bufp, &msg, f); | |
3609 | bufp++; | |
3610 | count++; | |
3611 | numchars--; | |
3612 | } | |
3613 | break; | |
3614 | ||
ee78dc32 GV |
3615 | case WM_VSCROLL: |
3616 | { | |
689004fa GV |
3617 | struct scroll_bar *bar = |
3618 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
ee78dc32 GV |
3619 | |
3620 | if (bar && numchars >= 1) | |
3621 | { | |
52cf03a1 GV |
3622 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
3623 | { | |
3624 | bufp++; | |
3625 | count++; | |
3626 | numchars--; | |
3627 | } | |
ee78dc32 | 3628 | } |
689004fa | 3629 | break; |
ee78dc32 GV |
3630 | } |
3631 | ||
689004fa GV |
3632 | case WM_WINDOWPOSCHANGED: |
3633 | case WM_ACTIVATE: | |
3634 | case WM_ACTIVATEAPP: | |
3635 | check_visibility = 1; | |
ee78dc32 | 3636 | break; |
689004fa | 3637 | |
ee78dc32 GV |
3638 | case WM_MOVE: |
3639 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3640 | ||
3641 | if (f && !f->async_iconified) | |
3642 | { | |
689004fa GV |
3643 | int x, y; |
3644 | ||
3645 | x_real_positions (f, &x, &y); | |
3646 | f->output_data.w32->left_pos = x; | |
3647 | f->output_data.w32->top_pos = y; | |
ee78dc32 | 3648 | } |
689004fa GV |
3649 | |
3650 | check_visibility = 1; | |
3651 | break; | |
3652 | ||
3653 | case WM_SHOWWINDOW: | |
3654 | /* If window has been obscured or exposed by another window | |
3655 | being maximised or minimised/restored, then recheck | |
3656 | visibility of all frames. Direct changes to our own | |
3657 | windows get handled by WM_SIZE. */ | |
3658 | #if 0 | |
3659 | if (msg.msg.lParam != 0) | |
3660 | check_visibility = 1; | |
3661 | else | |
3662 | { | |
3663 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3664 | f->async_visible = msg.msg.wParam; | |
3665 | } | |
3666 | #endif | |
3667 | ||
3668 | check_visibility = 1; | |
ee78dc32 | 3669 | break; |
689004fa | 3670 | |
ee78dc32 GV |
3671 | case WM_SIZE: |
3672 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3673 | ||
689004fa GV |
3674 | /* Inform lisp of whether frame has been iconified etc. */ |
3675 | if (f) | |
ee78dc32 | 3676 | { |
689004fa | 3677 | switch (msg.msg.wParam) |
ee78dc32 | 3678 | { |
689004fa GV |
3679 | case SIZE_MINIMIZED: |
3680 | f->async_visible = 0; | |
ee78dc32 GV |
3681 | f->async_iconified = 1; |
3682 | ||
3683 | bufp->kind = iconify_event; | |
3684 | XSETFRAME (bufp->frame_or_window, f); | |
3685 | bufp++; | |
3686 | count++; | |
3687 | numchars--; | |
689004fa GV |
3688 | break; |
3689 | ||
3690 | case SIZE_MAXIMIZED: | |
3691 | case SIZE_RESTORED: | |
ee78dc32 GV |
3692 | f->async_visible = 1; |
3693 | f->async_iconified = 0; | |
3694 | ||
3695 | /* wait_reading_process_input will notice this and update | |
3696 | the frame's display structures. */ | |
3697 | SET_FRAME_GARBAGED (f); | |
3698 | ||
3699 | if (f->iconified) | |
3700 | { | |
3701 | bufp->kind = deiconify_event; | |
3702 | XSETFRAME (bufp->frame_or_window, f); | |
3703 | bufp++; | |
3704 | count++; | |
3705 | numchars--; | |
3706 | } | |
3707 | else | |
3708 | /* Force a redisplay sooner or later | |
3709 | to update the frame titles | |
3710 | in case this is the second frame. */ | |
3711 | record_asynch_buffer_change (); | |
689004fa | 3712 | break; |
ee78dc32 | 3713 | } |
ee78dc32 | 3714 | } |
689004fa | 3715 | |
ef0e360f GV |
3716 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
3717 | { | |
3718 | RECT rect; | |
3719 | int rows; | |
3720 | int columns; | |
3721 | int width; | |
3722 | int height; | |
3723 | ||
3724 | GetClientRect(msg.msg.hwnd, &rect); | |
3725 | ||
3726 | height = rect.bottom - rect.top; | |
3727 | width = rect.right - rect.left; | |
3728 | ||
3729 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
3730 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
3731 | ||
3732 | /* TODO: Clip size to the screen dimensions. */ | |
3733 | ||
3734 | /* Even if the number of character rows and columns has | |
3735 | not changed, the font size may have changed, so we need | |
3736 | to check the pixel dimensions as well. */ | |
3737 | ||
3738 | if (columns != f->width | |
3739 | || rows != f->height | |
3740 | || width != f->output_data.w32->pixel_width | |
3741 | || height != f->output_data.w32->pixel_height) | |
3742 | { | |
3743 | /* I had set this to 0, 0 - I am not sure why?? */ | |
3744 | ||
3745 | change_frame_size (f, rows, columns, 0, 1); | |
3746 | SET_FRAME_GARBAGED (f); | |
3747 | ||
3748 | f->output_data.w32->pixel_width = width; | |
3749 | f->output_data.w32->pixel_height = height; | |
3750 | f->output_data.w32->win_gravity = NorthWestGravity; | |
3751 | } | |
3752 | } | |
3753 | ||
689004fa GV |
3754 | check_visibility = 1; |
3755 | break; | |
3756 | ||
3757 | case WM_SETFOCUS: | |
3758 | case WM_KILLFOCUS: | |
3759 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
ee78dc32 | 3760 | |
689004fa GV |
3761 | if (msg.msg.message == WM_SETFOCUS) |
3762 | { | |
3763 | x_new_focus_frame (dpyinfo, f); | |
3764 | } | |
3765 | else if (f == dpyinfo->w32_focus_frame) | |
3766 | { | |
3767 | x_new_focus_frame (dpyinfo, 0); | |
08712a41 AI |
3768 | |
3769 | if (f == dpyinfo->mouse_face_mouse_frame) | |
3770 | clear_mouse_face (dpyinfo); | |
689004fa GV |
3771 | } |
3772 | ||
08712a41 | 3773 | dpyinfo->grabbed = 0; |
689004fa | 3774 | check_visibility = 1; |
ee78dc32 | 3775 | break; |
689004fa | 3776 | |
ee78dc32 GV |
3777 | case WM_CLOSE: |
3778 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3779 | ||
3780 | if (f) | |
3781 | { | |
3782 | if (numchars == 0) | |
3783 | abort (); | |
3784 | ||
3785 | bufp->kind = delete_window_event; | |
3786 | XSETFRAME (bufp->frame_or_window, f); | |
3787 | bufp++; | |
3788 | count++; | |
3789 | numchars--; | |
3790 | } | |
689004fa GV |
3791 | break; |
3792 | ||
3793 | case WM_INITMENU: | |
3794 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3795 | ||
3796 | if (f) | |
3797 | { | |
3798 | if (numchars == 0) | |
3799 | abort (); | |
ee78dc32 | 3800 | |
689004fa GV |
3801 | bufp->kind = menu_bar_activate_event; |
3802 | XSETFRAME (bufp->frame_or_window, f); | |
3803 | bufp++; | |
3804 | count++; | |
3805 | numchars--; | |
3806 | } | |
ee78dc32 | 3807 | break; |
689004fa | 3808 | |
ee78dc32 GV |
3809 | case WM_COMMAND: |
3810 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
014b6ea1 | 3811 | |
ee78dc32 GV |
3812 | if (f) |
3813 | { | |
f98169a0 GV |
3814 | extern void menubar_selection_callback |
3815 | (FRAME_PTR f, void * client_data); | |
014b6ea1 | 3816 | menubar_selection_callback (f, (void *)msg.msg.wParam); |
ee78dc32 | 3817 | } |
689004fa GV |
3818 | |
3819 | check_visibility = 1; | |
3820 | break; | |
3821 | ||
3822 | case WM_DISPLAYCHANGE: | |
3823 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3824 | ||
3825 | if (f) | |
3826 | { | |
3827 | dpyinfo->width = (short) LOWORD (msg.msg.lParam); | |
3828 | dpyinfo->height = (short) HIWORD (msg.msg.lParam); | |
3829 | dpyinfo->n_cbits = msg.msg.wParam; | |
3830 | DebPrint (("display change: %d %d\n", dpyinfo->width, | |
3831 | dpyinfo->height)); | |
3832 | } | |
3833 | ||
3834 | check_visibility = 1; | |
ee78dc32 | 3835 | break; |
e7efd97e GV |
3836 | |
3837 | default: | |
3838 | /* Check for messages registered at runtime. */ | |
3839 | if (msg.msg.message == msh_mousewheel) | |
3840 | { | |
3841 | if (dpyinfo->grabbed && last_mouse_frame | |
3842 | && FRAME_LIVE_P (last_mouse_frame)) | |
3843 | f = last_mouse_frame; | |
3844 | else | |
3845 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3846 | ||
3847 | if (f) | |
3848 | { | |
3849 | if ((!dpyinfo->w32_focus_frame | |
3850 | || f == dpyinfo->w32_focus_frame) | |
3851 | && (numchars >= 1)) | |
3852 | { | |
3853 | construct_mouse_wheel (bufp, &msg, f); | |
3854 | bufp++; | |
3855 | count++; | |
3856 | numchars--; | |
3857 | } | |
3858 | } | |
3859 | } | |
3860 | break; | |
ee78dc32 GV |
3861 | } |
3862 | } | |
3863 | ||
3864 | /* If the focus was just given to an autoraising frame, | |
3865 | raise it now. */ | |
3866 | /* ??? This ought to be able to handle more than one such frame. */ | |
3867 | if (pending_autoraise_frame) | |
3868 | { | |
3869 | x_raise_frame (pending_autoraise_frame); | |
3870 | pending_autoraise_frame = 0; | |
3871 | } | |
3872 | ||
689004fa GV |
3873 | /* Check which frames are still visisble, if we have enqueued any user |
3874 | events or been notified of events that may affect visibility. We | |
3875 | do this here because there doesn't seem to be any direct | |
3876 | notification from Windows that the visibility of a window has | |
3877 | changed (at least, not in all cases). */ | |
3878 | if (count > 0 || check_visibility) | |
3879 | { | |
3880 | Lisp_Object tail, frame; | |
3881 | ||
3882 | FOR_EACH_FRAME (tail, frame) | |
3883 | { | |
3884 | FRAME_PTR f = XFRAME (frame); | |
3885 | /* Check "visible" frames and mark each as obscured or not. | |
3886 | Note that async_visible is nonzero for unobscured and | |
3887 | obscured frames, but zero for hidden and iconified frames. */ | |
3888 | if (FRAME_W32_P (f) && f->async_visible) | |
3889 | { | |
3890 | RECT clipbox; | |
3891 | HDC hdc = get_frame_dc (f); | |
3892 | GetClipBox (hdc, &clipbox); | |
3893 | release_frame_dc (f, hdc); | |
3894 | ||
3895 | if (clipbox.right == clipbox.left | |
3896 | || clipbox.bottom == clipbox.top) | |
3897 | { | |
3898 | /* Frame has become completely obscured so mark as | |
3899 | such (we do this by setting async_visible to 2 so | |
3900 | that FRAME_VISIBLE_P is still true, but redisplay | |
3901 | will skip it). */ | |
3902 | f->async_visible = 2; | |
3903 | ||
3904 | if (!FRAME_OBSCURED_P (f)) | |
3905 | { | |
3906 | DebPrint (("frame %04x (%s) obscured\n", f, | |
3907 | XSTRING (f->name)->data)); | |
3908 | } | |
3909 | } | |
3910 | else | |
3911 | { | |
3912 | /* Frame is not obscured, so mark it as such. */ | |
3913 | f->async_visible = 1; | |
3914 | ||
3915 | if (FRAME_OBSCURED_P (f)) | |
3916 | { | |
3917 | SET_FRAME_GARBAGED (f); | |
3918 | DebPrint (("frame %04x (%s) reexposed\n", f, | |
3919 | XSTRING (f->name)->data)); | |
3920 | ||
3921 | /* Force a redisplay sooner or later. */ | |
3922 | record_asynch_buffer_change (); | |
3923 | } | |
3924 | } | |
3925 | } | |
3926 | } | |
3927 | } | |
3928 | ||
ee78dc32 GV |
3929 | UNBLOCK_INPUT; |
3930 | return count; | |
3931 | } | |
3932 | \f | |
3933 | /* Drawing the cursor. */ | |
3934 | ||
3935 | ||
3936 | /* Draw a hollow box cursor. Don't change the inside of the box. */ | |
3937 | ||
3938 | static void | |
3939 | x_draw_box (f) | |
3940 | struct frame *f; | |
3941 | { | |
3942 | RECT rect; | |
3943 | HBRUSH hb; | |
3944 | HDC hdc; | |
3945 | ||
52cf03a1 | 3946 | hdc = get_frame_dc (f); |
ee78dc32 | 3947 | |
fbd6baed | 3948 | hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); |
ee78dc32 GV |
3949 | |
3950 | rect.left = CHAR_TO_PIXEL_COL (f, curs_x); | |
3951 | rect.top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
fbd6baed GV |
3952 | rect.right = rect.left + FONT_WIDTH (f->output_data.w32->font); |
3953 | rect.bottom = rect.top + f->output_data.w32->line_height; | |
52cf03a1 | 3954 | |
ee78dc32 | 3955 | FrameRect (hdc, &rect, hb); |
ee78dc32 | 3956 | DeleteObject (hb); |
52cf03a1 GV |
3957 | |
3958 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
3959 | } |
3960 | ||
3961 | /* Clear the cursor of frame F to background color, | |
3962 | and mark the cursor as not shown. | |
3963 | This is used when the text where the cursor is | |
3964 | is about to be rewritten. */ | |
3965 | ||
3966 | static void | |
3967 | clear_cursor (f) | |
3968 | struct frame *f; | |
3969 | { | |
3970 | if (! FRAME_VISIBLE_P (f) | |
e12ca9c2 | 3971 | || !f->phys_cursor_on) |
ee78dc32 GV |
3972 | return; |
3973 | ||
3974 | x_display_cursor (f, 0); | |
e12ca9c2 | 3975 | f->phys_cursor_on = 0; |
ee78dc32 GV |
3976 | } |
3977 | ||
3978 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style | |
3979 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the | |
3980 | glyph drawn. */ | |
3981 | ||
3982 | static void | |
3983 | x_draw_single_glyph (f, row, column, glyph, highlight) | |
3984 | struct frame *f; | |
3985 | int row, column; | |
3986 | GLYPH glyph; | |
3987 | int highlight; | |
3988 | { | |
3989 | dumpglyphs (f, | |
3990 | CHAR_TO_PIXEL_COL (f, column), | |
3991 | CHAR_TO_PIXEL_ROW (f, row), | |
ef0e360f | 3992 | &glyph, 1, highlight, 0, NULL); |
ee78dc32 GV |
3993 | } |
3994 | ||
3995 | static void | |
3996 | x_display_bar_cursor (f, on) | |
3997 | struct frame *f; | |
3998 | int on; | |
3999 | { | |
4000 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4001 | ||
4002 | /* This is pointless on invisible frames, and dangerous on garbaged | |
4003 | frames; in the latter case, the frame may be in the midst of | |
4004 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4005 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
4006 | return; | |
4007 | ||
e12ca9c2 | 4008 | if (! on && ! f->phys_cursor_on) |
ee78dc32 GV |
4009 | return; |
4010 | ||
ee78dc32 | 4011 | /* If there is anything wrong with the current cursor state, remove it. */ |
e12ca9c2 | 4012 | if (f->phys_cursor_on |
ee78dc32 GV |
4013 | && (!on |
4014 | || f->phys_cursor_x != curs_x | |
4015 | || f->phys_cursor_y != curs_y | |
fbd6baed | 4016 | || f->output_data.w32->current_cursor != bar_cursor)) |
ee78dc32 GV |
4017 | { |
4018 | /* Erase the cursor by redrawing the character underneath it. */ | |
4019 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4020 | f->phys_cursor_glyph, | |
4021 | current_glyphs->highlight[f->phys_cursor_y]); | |
e12ca9c2 | 4022 | f->phys_cursor_on = 0; |
ee78dc32 GV |
4023 | } |
4024 | ||
4025 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4026 | if (on | |
e12ca9c2 | 4027 | && (! f->phys_cursor_on |
fbd6baed | 4028 | || (f->output_data.w32->current_cursor != bar_cursor))) |
ee78dc32 GV |
4029 | { |
4030 | f->phys_cursor_glyph | |
4031 | = ((current_glyphs->enable[curs_y] | |
4032 | && curs_x < current_glyphs->used[curs_y]) | |
4033 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4034 | : SPACEGLYPH); | |
fbd6baed | 4035 | w32_fill_area (f, NULL, f->output_data.w32->cursor_pixel, |
ee78dc32 GV |
4036 | CHAR_TO_PIXEL_COL (f, curs_x), |
4037 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
fbd6baed GV |
4038 | max (f->output_data.w32->cursor_width, 1), |
4039 | f->output_data.w32->line_height); | |
ee78dc32 GV |
4040 | |
4041 | f->phys_cursor_x = curs_x; | |
4042 | f->phys_cursor_y = curs_y; | |
e12ca9c2 | 4043 | f->phys_cursor_on = 1; |
ee78dc32 | 4044 | |
fbd6baed | 4045 | f->output_data.w32->current_cursor = bar_cursor; |
ee78dc32 GV |
4046 | } |
4047 | } | |
4048 | ||
4049 | ||
4050 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4051 | If ON is nonzero, where to put the cursor is specified | |
4052 | by F->cursor_x and F->cursor_y. */ | |
4053 | ||
4054 | static void | |
4055 | x_display_box_cursor (f, on) | |
4056 | struct frame *f; | |
4057 | int on; | |
4058 | { | |
4059 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4060 | ||
4061 | /* This is pointless on invisible frames, and dangerous on garbaged | |
4062 | frames; in the latter case, the frame may be in the midst of | |
4063 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4064 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
4065 | return; | |
4066 | ||
4067 | /* If cursor is off and we want it off, return quickly. */ | |
e12ca9c2 | 4068 | if (!on && ! f->phys_cursor_on) |
ee78dc32 GV |
4069 | return; |
4070 | ||
ee78dc32 GV |
4071 | /* If cursor is currently being shown and we don't want it to be |
4072 | or it is in the wrong place, | |
4073 | or we want a hollow box and it's not so, (pout!) | |
4074 | erase it. */ | |
e12ca9c2 | 4075 | if (f->phys_cursor_on |
ee78dc32 GV |
4076 | && (!on |
4077 | || f->phys_cursor_x != curs_x | |
4078 | || f->phys_cursor_y != curs_y | |
fbd6baed GV |
4079 | || (f->output_data.w32->current_cursor != hollow_box_cursor |
4080 | && (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame)))) | |
ee78dc32 GV |
4081 | { |
4082 | int mouse_face_here = 0; | |
4083 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4084 | ||
4085 | /* If the cursor is in the mouse face area, redisplay that when | |
4086 | we clear the cursor. */ | |
fbd6baed | 4087 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame |
689004fa GV |
4088 | && (f->phys_cursor_y > FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
4089 | || (f->phys_cursor_y == FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row | |
4090 | && f->phys_cursor_x >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
4091 | && (f->phys_cursor_y < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
4092 | || (f->phys_cursor_y == FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
4093 | && f->phys_cursor_x < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col)) | |
ee78dc32 GV |
4094 | /* Don't redraw the cursor's spot in mouse face |
4095 | if it is at the end of a line (on a newline). | |
4096 | The cursor appears there, but mouse highlighting does not. */ | |
4097 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
4098 | mouse_face_here = 1; | |
4099 | ||
4100 | /* If the font is not as tall as a whole line, | |
4101 | we must explicitly clear the line's whole height. */ | |
fbd6baed GV |
4102 | if (FONT_HEIGHT (f->output_data.w32->font) != f->output_data.w32->line_height) |
4103 | w32_clear_area (f, NULL, | |
ee78dc32 GV |
4104 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4105 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
fbd6baed GV |
4106 | FONT_WIDTH (f->output_data.w32->font), |
4107 | f->output_data.w32->line_height); | |
ee78dc32 GV |
4108 | /* Erase the cursor by redrawing the character underneath it. */ |
4109 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4110 | f->phys_cursor_glyph, | |
4111 | (mouse_face_here | |
4112 | ? 3 | |
4113 | : current_glyphs->highlight[f->phys_cursor_y])); | |
e12ca9c2 | 4114 | f->phys_cursor_on = 0; |
ee78dc32 GV |
4115 | } |
4116 | ||
4117 | /* If we want to show a cursor, | |
4118 | or we want a box cursor and it's not so, | |
4119 | write it in the right place. */ | |
4120 | if (on | |
e12ca9c2 | 4121 | && (! f->phys_cursor_on |
fbd6baed GV |
4122 | || (f->output_data.w32->current_cursor != filled_box_cursor |
4123 | && f == FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame))) | |
ee78dc32 GV |
4124 | { |
4125 | f->phys_cursor_glyph | |
4126 | = ((current_glyphs->enable[curs_y] | |
4127 | && curs_x < current_glyphs->used[curs_y]) | |
4128 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4129 | : SPACEGLYPH); | |
fbd6baed | 4130 | if (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame) |
ee78dc32 GV |
4131 | { |
4132 | x_draw_box (f); | |
fbd6baed | 4133 | f->output_data.w32->current_cursor = hollow_box_cursor; |
ee78dc32 GV |
4134 | } |
4135 | else | |
4136 | { | |
4137 | x_draw_single_glyph (f, curs_y, curs_x, | |
4138 | f->phys_cursor_glyph, 2); | |
fbd6baed | 4139 | f->output_data.w32->current_cursor = filled_box_cursor; |
ee78dc32 GV |
4140 | } |
4141 | ||
4142 | f->phys_cursor_x = curs_x; | |
4143 | f->phys_cursor_y = curs_y; | |
e12ca9c2 | 4144 | f->phys_cursor_on = 1; |
ee78dc32 GV |
4145 | } |
4146 | } | |
4147 | ||
689004fa GV |
4148 | /* Display the cursor on frame F, or clear it, according to ON. |
4149 | Use the position specified by curs_x and curs_y | |
4150 | if we are doing an update of frame F now. | |
4151 | Otherwise use the position in the FRAME_CURSOR_X and FRAME_CURSOR_Y fields | |
4152 | of F. */ | |
4153 | ||
ee78dc32 GV |
4154 | x_display_cursor (f, on) |
4155 | struct frame *f; | |
4156 | int on; | |
4157 | { | |
4158 | BLOCK_INPUT; | |
4159 | ||
689004fa GV |
4160 | /* If we're not updating, then we want to use the current frame's |
4161 | cursor position, not our local idea of where the cursor ought to be. */ | |
4162 | if (f != updating_frame) | |
4163 | { | |
4164 | curs_x = FRAME_CURSOR_X (f); | |
4165 | curs_y = FRAME_CURSOR_Y (f); | |
4166 | } | |
4167 | ||
ee78dc32 GV |
4168 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
4169 | x_display_box_cursor (f, on); | |
4170 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) | |
4171 | x_display_bar_cursor (f, on); | |
4172 | else | |
4173 | /* Those are the only two we have implemented! */ | |
4174 | abort (); | |
4175 | ||
4176 | UNBLOCK_INPUT; | |
4177 | } | |
4178 | \f | |
4179 | /* Changing the font of the frame. */ | |
4180 | ||
4181 | /* Give frame F the font named FONTNAME as its default font, and | |
4182 | return the full name of that font. FONTNAME may be a wildcard | |
4183 | pattern; in that case, we choose some font that fits the pattern. | |
4184 | The return value shows which font we chose. */ | |
4185 | ||
4186 | Lisp_Object | |
4187 | x_new_font (f, fontname) | |
4188 | struct frame *f; | |
4189 | register char *fontname; | |
4190 | { | |
cabb23bc GV |
4191 | struct font_info *fontp |
4192 | = fs_load_font (f, FRAME_W32_FONT_TABLE (f), CHARSET_ASCII, | |
4193 | fontname, -1); | |
ee78dc32 | 4194 | |
cabb23bc | 4195 | if (!fontp) |
ee78dc32 | 4196 | return Qnil; |
ee78dc32 | 4197 | |
cabb23bc GV |
4198 | FRAME_FONT (f) = (XFontStruct *) (fontp->font); |
4199 | f->output_data.w32->font_baseline | |
65c4903c | 4200 | = FONT_BASE (FRAME_FONT (f)) + fontp->baseline_offset; |
cabb23bc | 4201 | FRAME_FONTSET (f) = -1; |
ee78dc32 GV |
4202 | |
4203 | /* Compute the scroll bar width in character columns. */ | |
4204 | if (f->scroll_bar_pixel_width > 0) | |
4205 | { | |
fbd6baed | 4206 | int wid = FONT_WIDTH (f->output_data.w32->font); |
ee78dc32 GV |
4207 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
4208 | } | |
4209 | else | |
4210 | f->scroll_bar_cols = 2; | |
4211 | ||
4212 | /* Now make the frame display the given font. */ | |
fbd6baed | 4213 | if (FRAME_W32_WINDOW (f) != 0) |
ee78dc32 GV |
4214 | { |
4215 | frame_update_line_height (f); | |
4216 | x_set_window_size (f, 0, f->width, f->height); | |
4217 | } | |
4218 | else | |
4219 | /* If we are setting a new frame's font for the first time, | |
4220 | there are no faces yet, so this font's height is the line height. */ | |
fbd6baed | 4221 | f->output_data.w32->line_height = FONT_HEIGHT (f->output_data.w32->font); |
ee78dc32 GV |
4222 | |
4223 | { | |
4224 | Lisp_Object lispy_name; | |
4225 | ||
4226 | lispy_name = build_string (fontname); | |
4227 | ||
4228 | return lispy_name; | |
4229 | } | |
4230 | } | |
4231 | \f | |
cabb23bc GV |
4232 | /* Give frame F the fontset named FONTSETNAME as its default font, and |
4233 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
4234 | pattern; in that case, we choose some fontset that fits the pattern. | |
4235 | The return value shows which fontset we chose. */ | |
4236 | ||
4237 | Lisp_Object | |
4238 | x_new_fontset (f, fontsetname) | |
4239 | struct frame *f; | |
4240 | char *fontsetname; | |
4241 | { | |
4242 | int fontset = fs_query_fontset (f, fontsetname); | |
4243 | struct fontset_info *fontsetp; | |
4244 | Lisp_Object result; | |
4245 | ||
4246 | if (fontset < 0) | |
4247 | return Qnil; | |
4248 | ||
4249 | if (FRAME_FONTSET (f) == fontset) | |
4250 | /* This fontset is already set in frame F. There's nothing more | |
4251 | to do. */ | |
4252 | return build_string (fontsetname); | |
4253 | ||
4254 | fontsetp = FRAME_FONTSET_DATA (f)->fontset_table[fontset]; | |
4255 | ||
4256 | if (!fontsetp->fontname[CHARSET_ASCII]) | |
4257 | /* This fontset doesn't contain ASCII font. */ | |
4258 | return Qnil; | |
4259 | ||
4260 | result = x_new_font (f, fontsetp->fontname[CHARSET_ASCII]); | |
4261 | ||
4262 | if (!STRINGP (result)) | |
4263 | /* Can't load ASCII font. */ | |
4264 | return Qnil; | |
4265 | ||
4266 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
4267 | FRAME_FONTSET(f) = fontset; | |
4268 | FS_LOAD_FONT (f, FRAME_W32_FONT_TABLE (f), | |
4269 | CHARSET_ASCII, XSTRING (result)->data, fontset); | |
4270 | ||
4271 | return build_string (fontsetname); | |
4272 | } | |
4273 | \f | |
689004fa GV |
4274 | /* Calculate the absolute position in frame F |
4275 | from its current recorded position values and gravity. */ | |
4276 | ||
ee78dc32 GV |
4277 | x_calc_absolute_position (f) |
4278 | struct frame *f; | |
4279 | { | |
4280 | Window win, child; | |
4281 | POINT pt; | |
fbd6baed | 4282 | int flags = f->output_data.w32->size_hint_flags; |
ee78dc32 GV |
4283 | |
4284 | pt.x = pt.y = 0; | |
4285 | ||
4286 | /* Find the position of the outside upper-left corner of | |
4287 | the inner window, with respect to the outer window. */ | |
fbd6baed | 4288 | if (f->output_data.w32->parent_desc != FRAME_W32_DISPLAY_INFO (f)->root_window) |
ee78dc32 GV |
4289 | { |
4290 | BLOCK_INPUT; | |
fbd6baed GV |
4291 | MapWindowPoints (FRAME_W32_WINDOW (f), |
4292 | f->output_data.w32->parent_desc, | |
ee78dc32 GV |
4293 | &pt, 1); |
4294 | UNBLOCK_INPUT; | |
4295 | } | |
4296 | ||
4297 | { | |
4298 | RECT rt; | |
4299 | rt.left = rt.right = rt.top = rt.bottom = 0; | |
4300 | ||
4301 | BLOCK_INPUT; | |
fbd6baed | 4302 | AdjustWindowRect(&rt, f->output_data.w32->dwStyle, |
97c23857 | 4303 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 GV |
4304 | UNBLOCK_INPUT; |
4305 | ||
4306 | pt.x += (rt.right - rt.left); | |
4307 | pt.y += (rt.bottom - rt.top); | |
4308 | } | |
4309 | ||
4310 | /* Treat negative positions as relative to the leftmost bottommost | |
4311 | position that fits on the screen. */ | |
4312 | if (flags & XNegative) | |
fbd6baed GV |
4313 | f->output_data.w32->left_pos = (FRAME_W32_DISPLAY_INFO (f)->width |
4314 | - 2 * f->output_data.w32->border_width - pt.x | |
ee78dc32 | 4315 | - PIXEL_WIDTH (f) |
fbd6baed | 4316 | + f->output_data.w32->left_pos); |
ee78dc32 GV |
4317 | |
4318 | if (flags & YNegative) | |
fbd6baed GV |
4319 | f->output_data.w32->top_pos = (FRAME_W32_DISPLAY_INFO (f)->height |
4320 | - 2 * f->output_data.w32->border_width - pt.y | |
ee78dc32 | 4321 | - PIXEL_HEIGHT (f) |
fbd6baed | 4322 | + f->output_data.w32->top_pos); |
ee78dc32 GV |
4323 | /* The left_pos and top_pos |
4324 | are now relative to the top and left screen edges, | |
4325 | so the flags should correspond. */ | |
fbd6baed | 4326 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
ee78dc32 GV |
4327 | } |
4328 | ||
4329 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, | |
4330 | to really change the position, and 0 when calling from | |
4331 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4332 | position values). It is -1 when calling from x_set_frame_parameters, | |
4333 | which means, do adjust for borders but don't change the gravity. */ | |
4334 | ||
4335 | x_set_offset (f, xoff, yoff, change_gravity) | |
4336 | struct frame *f; | |
4337 | register int xoff, yoff; | |
4338 | int change_gravity; | |
4339 | { | |
4340 | int modified_top, modified_left; | |
4341 | ||
4342 | if (change_gravity > 0) | |
4343 | { | |
fbd6baed GV |
4344 | f->output_data.w32->top_pos = yoff; |
4345 | f->output_data.w32->left_pos = xoff; | |
4346 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); | |
ee78dc32 | 4347 | if (xoff < 0) |
fbd6baed | 4348 | f->output_data.w32->size_hint_flags |= XNegative; |
ee78dc32 | 4349 | if (yoff < 0) |
fbd6baed GV |
4350 | f->output_data.w32->size_hint_flags |= YNegative; |
4351 | f->output_data.w32->win_gravity = NorthWestGravity; | |
ee78dc32 GV |
4352 | } |
4353 | x_calc_absolute_position (f); | |
4354 | ||
4355 | BLOCK_INPUT; | |
4356 | x_wm_set_size_hint (f, (long) 0, 0); | |
4357 | ||
4358 | /* It is a mystery why we need to add the border_width here | |
4359 | when the frame is already visible, but experiment says we do. */ | |
fbd6baed GV |
4360 | modified_left = f->output_data.w32->left_pos; |
4361 | modified_top = f->output_data.w32->top_pos; | |
689004fa GV |
4362 | #ifndef HAVE_NTGUI |
4363 | /* Do not add in border widths under W32. */ | |
ee78dc32 GV |
4364 | if (change_gravity != 0) |
4365 | { | |
fbd6baed GV |
4366 | modified_left += f->output_data.w32->border_width; |
4367 | modified_top += f->output_data.w32->border_width; | |
ee78dc32 | 4368 | } |
689004fa | 4369 | #endif |
ee78dc32 | 4370 | |
fbd6baed | 4371 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
4372 | NULL, |
4373 | modified_left, modified_top, | |
cabb23bc | 4374 | 0, 0, |
689004fa | 4375 | SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE); |
ee78dc32 GV |
4376 | UNBLOCK_INPUT; |
4377 | } | |
4378 | ||
4379 | /* Call this to change the size of frame F's x-window. | |
4380 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4381 | for this size change and subsequent size changes. | |
4382 | Otherwise we leave the window gravity unchanged. */ | |
4383 | ||
4384 | x_set_window_size (f, change_gravity, cols, rows) | |
4385 | struct frame *f; | |
4386 | int change_gravity; | |
4387 | int cols, rows; | |
4388 | { | |
4389 | int pixelwidth, pixelheight; | |
689004fa GV |
4390 | Lisp_Object window; |
4391 | struct w32_display_info *dpyinfo = &one_w32_display_info; | |
ee78dc32 GV |
4392 | |
4393 | BLOCK_INPUT; | |
4394 | ||
4395 | check_frame_size (f, &rows, &cols); | |
fbd6baed | 4396 | f->output_data.w32->vertical_scroll_bar_extra |
ee78dc32 GV |
4397 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4398 | ? 0 | |
4399 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
4400 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
fbd6baed | 4401 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
ee78dc32 GV |
4402 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4403 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
4404 | ||
fbd6baed | 4405 | f->output_data.w32->win_gravity = NorthWestGravity; |
ee78dc32 GV |
4406 | x_wm_set_size_hint (f, (long) 0, 0); |
4407 | ||
4408 | { | |
4409 | RECT rect; | |
4410 | ||
4411 | rect.left = rect.top = 0; | |
4412 | rect.right = pixelwidth; | |
4413 | rect.bottom = pixelheight; | |
4414 | ||
fbd6baed | 4415 | AdjustWindowRect(&rect, f->output_data.w32->dwStyle, |
97c23857 | 4416 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 | 4417 | |
fbd6baed | 4418 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
4419 | NULL, |
4420 | 0, 0, | |
689004fa GV |
4421 | rect.right - rect.left, |
4422 | rect.bottom - rect.top, | |
4423 | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE); | |
ee78dc32 GV |
4424 | } |
4425 | ||
4426 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4427 | but the window manager will get around to dealing with the size | |
4428 | change request eventually, and we'll hear how it went when the | |
4429 | ConfigureNotify event gets here. | |
4430 | ||
4431 | We could just not bother storing any of this information here, | |
4432 | and let the ConfigureNotify event set everything up, but that | |
4433 | might be kind of confusing to the lisp code, since size changes | |
4434 | wouldn't be reported in the frame parameters until some random | |
4435 | point in the future when the ConfigureNotify event arrives. */ | |
4436 | change_frame_size (f, rows, cols, 0, 0); | |
4437 | PIXEL_WIDTH (f) = pixelwidth; | |
4438 | PIXEL_HEIGHT (f) = pixelheight; | |
4439 | ||
689004fa GV |
4440 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4441 | receive in the ConfigureNotify event; if we get what we asked | |
4442 | for, then the event won't cause the screen to become garbaged, so | |
4443 | we have to make sure to do it here. */ | |
4444 | SET_FRAME_GARBAGED (f); | |
4445 | ||
ee78dc32 GV |
4446 | /* If cursor was outside the new size, mark it as off. */ |
4447 | if (f->phys_cursor_y >= rows | |
4448 | || f->phys_cursor_x >= cols) | |
4449 | { | |
e12ca9c2 AI |
4450 | f->phys_cursor_x = 0; |
4451 | f->phys_cursor_y = 0; | |
4452 | f->phys_cursor_on = 0; | |
ee78dc32 GV |
4453 | } |
4454 | ||
689004fa GV |
4455 | /* Clear out any recollection of where the mouse highlighting was, |
4456 | since it might be in a place that's outside the new frame size. | |
4457 | Actually checking whether it is outside is a pain in the neck, | |
4458 | so don't try--just let the highlighting be done afresh with new size. */ | |
4459 | window = dpyinfo->mouse_face_window; | |
4460 | if (! NILP (window) && XFRAME (window) == f) | |
4461 | { | |
4462 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
4463 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
4464 | dpyinfo->mouse_face_window = Qnil; | |
4465 | } | |
ee78dc32 GV |
4466 | |
4467 | UNBLOCK_INPUT; | |
4468 | } | |
4469 | \f | |
4470 | /* Mouse warping. */ | |
4471 | ||
1bcd16f2 MB |
4472 | void |
4473 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4474 | struct frame *f; | |
4475 | int pix_x, pix_y; | |
4476 | { | |
689004fa GV |
4477 | RECT rect; |
4478 | POINT pt; | |
4479 | ||
1bcd16f2 MB |
4480 | BLOCK_INPUT; |
4481 | ||
689004fa GV |
4482 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
4483 | pt.x = rect.left + pix_x; | |
4484 | pt.y = rect.top + pix_y; | |
4485 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); | |
1bcd16f2 | 4486 | |
689004fa | 4487 | SetCursorPos (pt.x, pt.y); |
1bcd16f2 MB |
4488 | |
4489 | UNBLOCK_INPUT; | |
4490 | } | |
4491 | ||
ee78dc32 GV |
4492 | void |
4493 | x_set_mouse_position (f, x, y) | |
4494 | struct frame *f; | |
4495 | int x, y; | |
4496 | { | |
4497 | int pix_x, pix_y; | |
4498 | ||
fbd6baed GV |
4499 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.w32->font) / 2; |
4500 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.w32->line_height / 2; | |
ee78dc32 GV |
4501 | |
4502 | if (pix_x < 0) pix_x = 0; | |
4503 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4504 | ||
4505 | if (pix_y < 0) pix_y = 0; | |
4506 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
4507 | ||
1bcd16f2 | 4508 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
ee78dc32 GV |
4509 | } |
4510 | \f | |
4511 | /* focus shifting, raising and lowering. */ | |
4512 | ||
4513 | x_focus_on_frame (f) | |
4514 | struct frame *f; | |
4515 | { | |
689004fa GV |
4516 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
4517 | ||
4518 | /* Give input focus to frame. */ | |
4519 | BLOCK_INPUT; | |
4520 | #if 0 | |
4521 | /* Try not to change its Z-order if possible. */ | |
4522 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) | |
4523 | my_set_focus (f, FRAME_W32_WINDOW (f)); | |
4524 | else | |
4525 | #endif | |
ef0e360f | 4526 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa | 4527 | UNBLOCK_INPUT; |
ee78dc32 GV |
4528 | } |
4529 | ||
4530 | x_unfocus_frame (f) | |
4531 | struct frame *f; | |
4532 | { | |
4533 | } | |
4534 | ||
4535 | /* Raise frame F. */ | |
4536 | ||
4537 | x_raise_frame (f) | |
4538 | struct frame *f; | |
4539 | { | |
689004fa GV |
4540 | BLOCK_INPUT; |
4541 | ||
4542 | /* Strictly speaking, raise-frame should only change the frame's Z | |
4543 | order, leaving input focus unchanged. This is reasonable behaviour | |
4544 | on X where the usual policy is point-to-focus. However, this | |
4545 | behaviour would be very odd on Windows where the usual policy is | |
4546 | click-to-focus. | |
4547 | ||
4548 | On X, if the mouse happens to be over the raised frame, it gets | |
4549 | input focus anyway (so the window with focus will never be | |
4550 | completely obscured) - if not, then just moving the mouse over it | |
4551 | is sufficient to give it focus. On Windows, the user must actually | |
4552 | click on the frame (preferrably the title bar so as not to move | |
4553 | point), which is more awkward. Also, no other Windows program | |
4554 | raises a window to the top but leaves another window (possibly now | |
4555 | completely obscured) with input focus. | |
4556 | ||
4557 | Because there is a system setting on Windows that allows the user | |
4558 | to choose the point to focus policy, we make the strict semantics | |
4559 | optional, but by default we grab focus when raising. */ | |
4560 | ||
4561 | if (NILP (Vw32_grab_focus_on_raise)) | |
ee78dc32 | 4562 | { |
689004fa GV |
4563 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
4564 | not already the foreground application: the frame is raised | |
4565 | above all other frames belonging to us, but not above the | |
4566 | current top window. To achieve that, we have to resort to this | |
4567 | more cumbersome method. */ | |
4568 | ||
4569 | HDWP handle = BeginDeferWindowPos (2); | |
4570 | if (handle) | |
4571 | { | |
4572 | DeferWindowPos (handle, | |
4573 | FRAME_W32_WINDOW (f), | |
4574 | HWND_TOP, | |
4575 | 0, 0, 0, 0, | |
4576 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
4577 | ||
4578 | DeferWindowPos (handle, | |
4579 | GetForegroundWindow (), | |
4580 | FRAME_W32_WINDOW (f), | |
4581 | 0, 0, 0, 0, | |
4582 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
4583 | ||
4584 | EndDeferWindowPos (handle); | |
4585 | } | |
ee78dc32 | 4586 | } |
689004fa GV |
4587 | else |
4588 | { | |
ef0e360f | 4589 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa GV |
4590 | } |
4591 | ||
4592 | UNBLOCK_INPUT; | |
ee78dc32 GV |
4593 | } |
4594 | ||
4595 | /* Lower frame F. */ | |
4596 | ||
4597 | x_lower_frame (f) | |
4598 | struct frame *f; | |
4599 | { | |
689004fa GV |
4600 | BLOCK_INPUT; |
4601 | my_set_window_pos (FRAME_W32_WINDOW (f), | |
4602 | HWND_BOTTOM, | |
4603 | 0, 0, 0, 0, | |
4604 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
4605 | UNBLOCK_INPUT; | |
ee78dc32 GV |
4606 | } |
4607 | ||
4608 | static void | |
fbd6baed | 4609 | w32_frame_raise_lower (f, raise) |
ee78dc32 GV |
4610 | FRAME_PTR f; |
4611 | int raise; | |
4612 | { | |
4613 | if (raise) | |
4614 | x_raise_frame (f); | |
4615 | else | |
4616 | x_lower_frame (f); | |
4617 | } | |
4618 | \f | |
4619 | /* Change of visibility. */ | |
4620 | ||
4621 | /* This tries to wait until the frame is really visible. | |
4622 | However, if the window manager asks the user where to position | |
4623 | the frame, this will return before the user finishes doing that. | |
4624 | The frame will not actually be visible at that time, | |
4625 | but it will become visible later when the window manager | |
4626 | finishes with it. */ | |
4627 | ||
4628 | x_make_frame_visible (f) | |
4629 | struct frame *f; | |
4630 | { | |
4631 | BLOCK_INPUT; | |
4632 | ||
4633 | if (! FRAME_VISIBLE_P (f)) | |
4634 | { | |
4635 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
4636 | call x_set_offset a second time | |
4637 | if we get to x_make_frame_visible a second time | |
4638 | before the window gets really visible. */ | |
4639 | if (! FRAME_ICONIFIED_P (f) | |
fbd6baed | 4640 | && ! f->output_data.w32->asked_for_visible) |
fbd6baed | 4641 | x_set_offset (f, f->output_data.w32->left_pos, f->output_data.w32->top_pos, 0); |
ee78dc32 | 4642 | |
fbd6baed | 4643 | f->output_data.w32->asked_for_visible = 1; |
52cf03a1 | 4644 | |
689004fa GV |
4645 | // my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); |
4646 | my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); | |
ee78dc32 GV |
4647 | } |
4648 | ||
4649 | /* Synchronize to ensure Emacs knows the frame is visible | |
4650 | before we do anything else. We do this loop with input not blocked | |
4651 | so that incoming events are handled. */ | |
4652 | { | |
4653 | Lisp_Object frame; | |
4654 | int count = input_signal_count; | |
4655 | ||
4656 | /* This must come after we set COUNT. */ | |
4657 | UNBLOCK_INPUT; | |
4658 | ||
4659 | XSETFRAME (frame, f); | |
4660 | ||
4661 | while (1) | |
4662 | { | |
4663 | /* Once we have handled input events, | |
4664 | we should have received the MapNotify if one is coming. | |
4665 | So if we have not got it yet, stop looping. | |
4666 | Some window managers make their own decisions | |
4667 | about visibility. */ | |
4668 | if (input_signal_count != count) | |
4669 | break; | |
4670 | /* Machines that do polling rather than SIGIO have been observed | |
4671 | to go into a busy-wait here. So we'll fake an alarm signal | |
4672 | to let the handler know that there's something to be read. | |
4673 | We used to raise a real alarm, but it seems that the handler | |
4674 | isn't always enabled here. This is probably a bug. */ | |
4675 | if (input_polling_used ()) | |
4676 | { | |
4677 | /* It could be confusing if a real alarm arrives while processing | |
4678 | the fake one. Turn it off and let the handler reset it. */ | |
4679 | alarm (0); | |
96214669 | 4680 | input_poll_signal (0); |
ee78dc32 GV |
4681 | } |
4682 | /* Once we have handled input events, | |
4683 | we should have received the MapNotify if one is coming. | |
4684 | So if we have not got it yet, stop looping. | |
4685 | Some window managers make their own decisions | |
4686 | about visibility. */ | |
4687 | if (input_signal_count != count) | |
4688 | break; | |
4689 | } | |
4690 | FRAME_SAMPLE_VISIBILITY (f); | |
4691 | } | |
4692 | } | |
4693 | ||
4694 | /* Change from mapped state to withdrawn state. */ | |
4695 | ||
4696 | /* Make the frame visible (mapped and not iconified). */ | |
4697 | ||
4698 | x_make_frame_invisible (f) | |
4699 | struct frame *f; | |
4700 | { | |
4701 | Window window; | |
4702 | ||
4703 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
4704 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
4705 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
4706 | |
4707 | BLOCK_INPUT; | |
4708 | ||
689004fa | 4709 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
4710 | |
4711 | /* We can't distinguish this from iconification | |
4712 | just by the event that we get from the server. | |
4713 | So we can't win using the usual strategy of letting | |
4714 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
4715 | and synchronize with the server to make sure we agree. */ | |
4716 | f->visible = 0; | |
4717 | FRAME_ICONIFIED_P (f) = 0; | |
4718 | f->async_visible = 0; | |
4719 | f->async_iconified = 0; | |
4720 | ||
4721 | UNBLOCK_INPUT; | |
4722 | } | |
4723 | ||
4724 | /* Change window state from mapped to iconified. */ | |
4725 | ||
52cf03a1 GV |
4726 | void |
4727 | x_iconify_frame (f) | |
ee78dc32 GV |
4728 | struct frame *f; |
4729 | { | |
4730 | int result; | |
4731 | ||
4732 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
4733 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
4734 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
4735 | |
4736 | if (f->async_iconified) | |
4737 | return; | |
4738 | ||
4739 | BLOCK_INPUT; | |
4740 | ||
689004fa | 4741 | /* Simulate the user minimizing the frame. */ |
4934bcdd | 4742 | SendMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); |
ee78dc32 GV |
4743 | |
4744 | UNBLOCK_INPUT; | |
4745 | } | |
4746 | \f | |
4747 | /* Destroy the window of frame F. */ | |
4748 | ||
4749 | x_destroy_window (f) | |
4750 | struct frame *f; | |
4751 | { | |
fbd6baed | 4752 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
ee78dc32 GV |
4753 | |
4754 | BLOCK_INPUT; | |
4755 | ||
fbd6baed | 4756 | my_destroy_window (f, FRAME_W32_WINDOW (f)); |
ee78dc32 GV |
4757 | free_frame_menubar (f); |
4758 | free_frame_faces (f); | |
4759 | ||
fbd6baed GV |
4760 | xfree (f->output_data.w32); |
4761 | f->output_data.w32 = 0; | |
4762 | if (f == dpyinfo->w32_focus_frame) | |
4763 | dpyinfo->w32_focus_frame = 0; | |
4764 | if (f == dpyinfo->w32_focus_event_frame) | |
4765 | dpyinfo->w32_focus_event_frame = 0; | |
4766 | if (f == dpyinfo->w32_highlight_frame) | |
4767 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 GV |
4768 | |
4769 | dpyinfo->reference_count--; | |
4770 | ||
4771 | if (f == dpyinfo->mouse_face_mouse_frame) | |
4772 | { | |
4773 | dpyinfo->mouse_face_beg_row | |
4774 | = dpyinfo->mouse_face_beg_col = -1; | |
4775 | dpyinfo->mouse_face_end_row | |
4776 | = dpyinfo->mouse_face_end_col = -1; | |
4777 | dpyinfo->mouse_face_window = Qnil; | |
4778 | } | |
4779 | ||
4780 | UNBLOCK_INPUT; | |
4781 | } | |
4782 | \f | |
4783 | /* Setting window manager hints. */ | |
4784 | ||
4785 | /* Set the normal size hints for the window manager, for frame F. | |
4786 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
4787 | that the window now has. | |
4788 | If USER_POSITION is nonzero, we set the USPosition | |
4789 | flag (this is useful when FLAGS is 0). */ | |
4790 | ||
4791 | x_wm_set_size_hint (f, flags, user_position) | |
4792 | struct frame *f; | |
4793 | long flags; | |
4794 | int user_position; | |
4795 | { | |
fbd6baed | 4796 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
4797 | |
4798 | flexlines = f->height; | |
4799 | ||
97c23857 | 4800 | enter_crit (); |
ee78dc32 | 4801 | |
689004fa GV |
4802 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
4803 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); | |
4804 | SetWindowLong (window, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); | |
4805 | SetWindowLong (window, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); | |
ee78dc32 | 4806 | |
97c23857 | 4807 | leave_crit (); |
ee78dc32 GV |
4808 | } |
4809 | ||
4810 | /* Window manager things */ | |
4811 | x_wm_set_icon_position (f, icon_x, icon_y) | |
4812 | struct frame *f; | |
4813 | int icon_x, icon_y; | |
4814 | { | |
4815 | #if 0 | |
fbd6baed | 4816 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
4817 | |
4818 | f->display.x->wm_hints.flags |= IconPositionHint; | |
4819 | f->display.x->wm_hints.icon_x = icon_x; | |
4820 | f->display.x->wm_hints.icon_y = icon_y; | |
4821 | ||
4822 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
4823 | #endif | |
4824 | } | |
4825 | ||
4826 | \f | |
4827 | /* Initialization. */ | |
4828 | ||
4829 | #ifdef USE_X_TOOLKIT | |
4830 | static XrmOptionDescRec emacs_options[] = { | |
4831 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
4832 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
4833 | ||
4834 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
4835 | XrmoptionSepArg, NULL}, | |
4836 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
4837 | ||
4838 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
4839 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
4840 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
4841 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
4842 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
4843 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
4844 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
4845 | }; | |
4846 | #endif /* USE_X_TOOLKIT */ | |
4847 | ||
fbd6baed | 4848 | static int w32_initialized = 0; |
ee78dc32 | 4849 | |
fbd6baed GV |
4850 | struct w32_display_info * |
4851 | w32_term_init (display_name, xrm_option, resource_name) | |
ee78dc32 GV |
4852 | Lisp_Object display_name; |
4853 | char *xrm_option; | |
4854 | char *resource_name; | |
4855 | { | |
4856 | Lisp_Object frame; | |
4857 | char *defaultvalue; | |
fbd6baed | 4858 | struct w32_display_info *dpyinfo; |
ee78dc32 | 4859 | HDC hdc; |
97c23857 | 4860 | |
ee78dc32 GV |
4861 | BLOCK_INPUT; |
4862 | ||
fbd6baed | 4863 | if (!w32_initialized) |
ee78dc32 | 4864 | { |
fbd6baed GV |
4865 | w32_initialize (); |
4866 | w32_initialized = 1; | |
ee78dc32 GV |
4867 | } |
4868 | ||
4869 | { | |
4870 | int argc = 0; | |
4871 | char *argv[3]; | |
4872 | ||
4873 | argv[0] = ""; | |
4874 | argc = 1; | |
4875 | if (xrm_option) | |
4876 | { | |
4877 | argv[argc++] = "-xrm"; | |
4878 | argv[argc++] = xrm_option; | |
4879 | } | |
4880 | } | |
4881 | ||
fbd6baed | 4882 | dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
4883 | |
4884 | /* Put this display on the chain. */ | |
4885 | dpyinfo->next = NULL; | |
4886 | ||
fbd6baed GV |
4887 | /* Put it on w32_display_name_list as well, to keep them parallel. */ |
4888 | w32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
4889 | w32_display_name_list); | |
4890 | dpyinfo->name_list_element = XCONS (w32_display_name_list)->car; | |
97c23857 | 4891 | |
fbd6baed | 4892 | dpyinfo->w32_id_name |
ee78dc32 GV |
4893 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
4894 | + XSTRING (Vsystem_name)->size | |
4895 | + 2); | |
fbd6baed | 4896 | sprintf (dpyinfo->w32_id_name, "%s@%s", |
ee78dc32 GV |
4897 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); |
4898 | ||
4899 | #if 0 | |
4900 | xrdb = x_load_resources (dpyinfo->display, xrm_option, | |
4901 | resource_name, EMACS_CLASS); | |
4902 | ||
4903 | /* Put the rdb where we can find it in a way that works on | |
4904 | all versions. */ | |
4905 | dpyinfo->xrdb = xrdb; | |
4906 | #endif | |
52cf03a1 | 4907 | hdc = GetDC (GetDesktopWindow ()); |
ee78dc32 GV |
4908 | |
4909 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); | |
4910 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
4911 | dpyinfo->root_window = GetDesktopWindow (); | |
4912 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
4913 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
4914 | dpyinfo->height_in = GetDeviceCaps (hdc, LOGPIXELSX); | |
4915 | dpyinfo->width_in = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 4916 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
ee78dc32 GV |
4917 | dpyinfo->grabbed = 0; |
4918 | dpyinfo->reference_count = 0; | |
4919 | dpyinfo->n_fonts = 0; | |
4920 | dpyinfo->font_table_size = 0; | |
4921 | dpyinfo->bitmaps = 0; | |
4922 | dpyinfo->bitmaps_size = 0; | |
4923 | dpyinfo->bitmaps_last = 0; | |
4924 | dpyinfo->mouse_face_mouse_frame = 0; | |
4925 | dpyinfo->mouse_face_deferred_gc = 0; | |
4926 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
4927 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
4928 | dpyinfo->mouse_face_face_id = 0; | |
4929 | dpyinfo->mouse_face_window = Qnil; | |
4930 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
4931 | dpyinfo->mouse_face_defer = 0; | |
fbd6baed GV |
4932 | dpyinfo->w32_focus_frame = 0; |
4933 | dpyinfo->w32_focus_event_frame = 0; | |
4934 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 GV |
4935 | |
4936 | ReleaseDC (GetDesktopWindow (), hdc); | |
4937 | ||
52cf03a1 GV |
4938 | /* Determine if there is a middle mouse button, to allow parse_button |
4939 | to decide whether right mouse events should be mouse-2 or | |
4940 | mouse-3. */ | |
fbd6baed | 4941 | XSETINT (Vw32_num_mouse_buttons, GetSystemMetrics (SM_CMOUSEBUTTONS)); |
52cf03a1 GV |
4942 | |
4943 | /* initialise palette with white and black */ | |
4944 | { | |
4945 | COLORREF color; | |
4946 | defined_color (0, "white", &color, 1); | |
4947 | defined_color (0, "black", &color, 1); | |
4948 | } | |
4949 | ||
ee78dc32 GV |
4950 | #ifndef F_SETOWN_BUG |
4951 | #ifdef F_SETOWN | |
4952 | #ifdef F_SETOWN_SOCK_NEG | |
4953 | /* stdin is a socket here */ | |
4954 | fcntl (connection, F_SETOWN, -getpid ()); | |
4955 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
4956 | fcntl (connection, F_SETOWN, getpid ()); | |
4957 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
4958 | #endif /* ! defined (F_SETOWN) */ | |
4959 | #endif /* F_SETOWN_BUG */ | |
4960 | ||
4961 | #ifdef SIGIO | |
4962 | if (interrupt_input) | |
4963 | init_sigio (connection); | |
4964 | #endif /* ! defined (SIGIO) */ | |
4965 | ||
4966 | UNBLOCK_INPUT; | |
4967 | ||
4968 | return dpyinfo; | |
4969 | } | |
4970 | \f | |
4971 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
4972 | ||
4973 | void | |
4974 | x_delete_display (dpyinfo) | |
fbd6baed | 4975 | struct w32_display_info *dpyinfo; |
ee78dc32 | 4976 | { |
fbd6baed | 4977 | /* Discard this display from w32_display_name_list and w32_display_list. |
ee78dc32 | 4978 | We can't use Fdelq because that can quit. */ |
fbd6baed GV |
4979 | if (! NILP (w32_display_name_list) |
4980 | && EQ (XCONS (w32_display_name_list)->car, dpyinfo->name_list_element)) | |
4981 | w32_display_name_list = XCONS (w32_display_name_list)->cdr; | |
ee78dc32 GV |
4982 | else |
4983 | { | |
4984 | Lisp_Object tail; | |
4985 | ||
fbd6baed | 4986 | tail = w32_display_name_list; |
ee78dc32 GV |
4987 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) |
4988 | { | |
4989 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
4990 | dpyinfo->name_list_element)) | |
4991 | { | |
4992 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
4993 | break; | |
4994 | } | |
4995 | tail = XCONS (tail)->cdr; | |
4996 | } | |
4997 | } | |
4998 | ||
52cf03a1 GV |
4999 | /* free palette table */ |
5000 | { | |
fbd6baed | 5001 | struct w32_palette_entry * plist; |
52cf03a1 GV |
5002 | |
5003 | plist = dpyinfo->color_list; | |
5004 | while (plist) | |
5005 | { | |
fbd6baed | 5006 | struct w32_palette_entry * pentry = plist; |
52cf03a1 GV |
5007 | plist = plist->next; |
5008 | xfree(pentry); | |
5009 | } | |
5010 | dpyinfo->color_list = NULL; | |
5011 | if (dpyinfo->palette) | |
5012 | DeleteObject(dpyinfo->palette); | |
5013 | } | |
ee78dc32 | 5014 | xfree (dpyinfo->font_table); |
fbd6baed | 5015 | xfree (dpyinfo->w32_id_name); |
ee78dc32 GV |
5016 | } |
5017 | \f | |
fbd6baed | 5018 | /* Set up use of W32. */ |
ee78dc32 | 5019 | |
689004fa | 5020 | DWORD w32_msg_worker (); |
ee78dc32 | 5021 | |
fbd6baed GV |
5022 | w32_initialize () |
5023 | { | |
96214669 GV |
5024 | /* MSVC does not type K&R functions with no arguments correctly, and |
5025 | so we must explicitly cast them. */ | |
5026 | clear_frame_hook = (void (*)(void)) w32_clear_frame; | |
fbd6baed GV |
5027 | clear_end_of_line_hook = w32_clear_end_of_line; |
5028 | ins_del_lines_hook = w32_ins_del_lines; | |
5029 | change_line_highlight_hook = w32_change_line_highlight; | |
5030 | insert_glyphs_hook = w32_insert_glyphs; | |
5031 | write_glyphs_hook = w32_write_glyphs; | |
5032 | delete_glyphs_hook = w32_delete_glyphs; | |
96214669 GV |
5033 | ring_bell_hook = (void (*)(void)) w32_ring_bell; |
5034 | reset_terminal_modes_hook = (void (*)(void)) w32_reset_terminal_modes; | |
5035 | set_terminal_modes_hook = (void (*)(void)) w32_set_terminal_modes; | |
fbd6baed GV |
5036 | update_begin_hook = w32_update_begin; |
5037 | update_end_hook = w32_update_end; | |
5038 | set_terminal_window_hook = w32_set_terminal_window; | |
ee78dc32 | 5039 | read_socket_hook = w32_read_socket; |
fbd6baed GV |
5040 | frame_up_to_date_hook = w32_frame_up_to_date; |
5041 | cursor_to_hook = w32_cursor_to; | |
5042 | reassert_line_highlight_hook = w32_reassert_line_highlight; | |
5043 | mouse_position_hook = w32_mouse_position; | |
5044 | frame_rehighlight_hook = w32_frame_rehighlight; | |
5045 | frame_raise_lower_hook = w32_frame_raise_lower; | |
5046 | set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; | |
5047 | condemn_scroll_bars_hook = w32_condemn_scroll_bars; | |
5048 | redeem_scroll_bar_hook = w32_redeem_scroll_bar; | |
5049 | judge_scroll_bars_hook = w32_judge_scroll_bars; | |
ee78dc32 GV |
5050 | |
5051 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
5052 | char_ins_del_ok = 0; /* just as fast to write the line */ | |
5053 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5054 | fast_clear_end_of_line = 1; /* X does this well */ | |
5055 | memory_below_frame = 0; /* we don't remember what scrolls | |
5056 | off the bottom */ | |
5057 | baud_rate = 19200; | |
5058 | ||
689004fa GV |
5059 | /* Initialize input mode: interrupt_input off, no flow control, allow |
5060 | 8 bit character input, standard quit char. */ | |
5061 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
ee78dc32 GV |
5062 | |
5063 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
5064 | ||
5065 | init_crit (); | |
5066 | ||
5067 | dwMainThreadId = GetCurrentThreadId (); | |
5068 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
5069 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
5070 | ||
5071 | /* Wait for thread to start */ | |
5072 | ||
5073 | { | |
5074 | MSG msg; | |
5075 | ||
5076 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
5077 | ||
e9e23e23 | 5078 | hWindowsThread = CreateThread (NULL, 0, |
689004fa | 5079 | (LPTHREAD_START_ROUTINE) w32_msg_worker, |
e9e23e23 | 5080 | 0, 0, &dwWindowsThreadId); |
ee78dc32 GV |
5081 | |
5082 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
5083 | } | |
5084 | ||
52cf03a1 | 5085 | /* It is desirable that mainThread should have the same notion of |
e9e23e23 | 5086 | focus window and active window as windowsThread. Unfortunately, the |
52cf03a1 GV |
5087 | following call to AttachThreadInput, which should do precisely what |
5088 | we need, causes major problems when Emacs is linked as a console | |
5089 | program. Unfortunately, we have good reasons for doing that, so | |
e9e23e23 | 5090 | instead we need to send messages to windowsThread to make some API |
52cf03a1 GV |
5091 | calls for us (ones that affect, or depend on, the active/focus |
5092 | window state. */ | |
5093 | #ifdef ATTACH_THREADS | |
e9e23e23 | 5094 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
52cf03a1 | 5095 | #endif |
689004fa GV |
5096 | |
5097 | /* Dynamically link to optional system components. */ | |
5098 | { | |
5099 | HANDLE user_lib = LoadLibrary ("user32.dll"); | |
5100 | ||
5101 | #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn) | |
5102 | ||
5103 | /* New proportional scroll bar functions. */ | |
5104 | LOAD_PROC( SetScrollInfo ); | |
5105 | LOAD_PROC( GetScrollInfo ); | |
5106 | ||
5107 | #undef LOAD_PROC | |
5108 | ||
5109 | FreeLibrary (user_lib); | |
5110 | ||
5111 | /* If using proportional scroll bars, ensure handle is at least 5 pixels; | |
5112 | otherwise use the fixed height. */ | |
5113 | vertical_scroll_bar_min_handle = (pfnSetScrollInfo != NULL) ? 5 : | |
5114 | GetSystemMetrics (SM_CYVTHUMB); | |
5115 | ||
5116 | /* For either kind of scroll bar, take account of the arrows; these | |
5117 | effectively form the border of the main scroll bar range. */ | |
5118 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border | |
5119 | = GetSystemMetrics (SM_CYVSCROLL); | |
5120 | } | |
ee78dc32 GV |
5121 | } |
5122 | ||
5123 | void | |
fbd6baed | 5124 | syms_of_w32term () |
ee78dc32 | 5125 | { |
a1b9438c GV |
5126 | Lisp_Object codepage; |
5127 | ||
fbd6baed GV |
5128 | staticpro (&w32_display_name_list); |
5129 | w32_display_name_list = Qnil; | |
ee78dc32 GV |
5130 | |
5131 | staticpro (&last_mouse_scroll_bar); | |
5132 | last_mouse_scroll_bar = Qnil; | |
5133 | ||
5134 | staticpro (&Qvendor_specific_keysyms); | |
5135 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 | 5136 | |
fbd6baed GV |
5137 | DEFVAR_INT ("w32-num-mouse-buttons", |
5138 | &Vw32_num_mouse_buttons, | |
52cf03a1 | 5139 | "Number of physical mouse buttons."); |
fbd6baed | 5140 | Vw32_num_mouse_buttons = Qnil; |
52cf03a1 | 5141 | |
fbd6baed GV |
5142 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
5143 | &Vw32_swap_mouse_buttons, | |
52cf03a1 GV |
5144 | "Swap the mapping of middle and right mouse buttons.\n\ |
5145 | When nil, middle button is mouse-2 and right button is mouse-3."); | |
fbd6baed | 5146 | Vw32_swap_mouse_buttons = Qnil; |
689004fa GV |
5147 | |
5148 | DEFVAR_LISP ("w32-grab-focus-on-raise", | |
5149 | &Vw32_grab_focus_on_raise, | |
5150 | "Raised frame grabs input focus.\n\ | |
5151 | When t, `raise-frame' grabs input focus as well. This fits well\n\ | |
5152 | with the normal Windows click-to-focus policy, but might not be\n\ | |
5153 | desirable when using a point-to-focus policy."); | |
5154 | Vw32_grab_focus_on_raise = Qt; | |
5155 | ||
5156 | DEFVAR_LISP ("w32-capslock-is-shiftlock", | |
5157 | &Vw32_capslock_is_shiftlock, | |
5158 | "Apply CapsLock state to non character input keys.\n\ | |
5159 | When nil, CapsLock only affects normal character input keys."); | |
5160 | Vw32_capslock_is_shiftlock = Qnil; | |
ef0e360f GV |
5161 | |
5162 | DEFVAR_LISP ("w32-recognize-altgr", | |
5163 | &Vw32_recognize_altgr, | |
5164 | "Recognize right-alt and left-ctrl as AltGr.\n\ | |
5165 | When nil, the right-alt and left-ctrl key combination is\n\ | |
5166 | interpreted normally."); | |
5167 | Vw32_recognize_altgr = Qt; | |
bc6af935 | 5168 | |
484fa2c1 GV |
5169 | DEFVAR_BOOL ("w32-enable-unicode-output", |
5170 | &w32_enable_unicode_output, | |
5171 | "Enable the use of Unicode for text output if non-nil.\n\ | |
cabb23bc GV |
5172 | Unicode output may prevent some third party applications for displaying\n\ |
5173 | Far-East Languages on Windows 95/98 from working properly.\n\ | |
5174 | NT uses Unicode internally anyway, so this flag will probably have no\n\ | |
5175 | affect on NT machines."); | |
484fa2c1 | 5176 | w32_enable_unicode_output = 1; |
a1b9438c | 5177 | |
a1b9438c GV |
5178 | DEFVAR_LISP ("w32-charset-to-codepage-alist", |
5179 | &Vw32_charset_to_codepage_alist, | |
5180 | "Alist linking character sets to Windows Codepages."); | |
5181 | Vw32_charset_to_codepage_alist = Qnil; | |
5182 | /* Initialise the alist with some defaults. */ | |
5183 | XSETFASTINT (codepage, 936); | |
5184 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5185 | build_string ("gb2312"), codepage); | |
5186 | XSETFASTINT (codepage, 950); | |
5187 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5188 | build_string ("big5"), codepage); | |
5189 | XSETFASTINT (codepage, 949); | |
5190 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
65c4903c GV |
5191 | build_string ("ksc5601.1987"), codepage); |
5192 | XSETFASTINT (codepage, 1361); | |
a1b9438c | 5193 | store_in_alist (&Vw32_charset_to_codepage_alist, |
65c4903c | 5194 | build_string ("ksc5601.1992"), codepage); |
a1b9438c GV |
5195 | XSETFASTINT (codepage, 932); |
5196 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5197 | build_string ("jisx0208-sjis"), codepage); | |
5198 | XSETFASTINT (codepage, 874); | |
5199 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5200 | build_string ("tis620"), codepage); | |
5201 | XSETFASTINT (codepage, 20866); | |
5202 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5203 | build_string ("koi8-r"), codepage); | |
5204 | /* iso8859-13 is not yet officially adopted, but it is conveniently | |
5205 | covered by CP 1257. */ | |
5206 | XSETFASTINT (codepage, 1257); | |
5207 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5208 | build_string ("iso8859-13"), codepage); | |
5209 | XSETFASTINT (codepage, 1254); | |
5210 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5211 | build_string ("iso8859-9"), codepage); | |
5212 | XSETFASTINT (codepage, 1255); | |
5213 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5214 | build_string ("iso8859-8"), codepage); | |
5215 | XSETFASTINT (codepage, 28597); | |
5216 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5217 | build_string ("iso8859-7"), codepage); | |
5218 | XSETFASTINT (codepage, 28596); | |
5219 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5220 | build_string ("iso8859-6"), codepage); | |
5221 | XSETFASTINT (codepage, 28595); | |
5222 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5223 | build_string ("iso8859-5"), codepage); | |
5224 | XSETFASTINT (codepage, 28594); | |
5225 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5226 | build_string ("iso8859-4"), codepage); | |
5227 | XSETFASTINT (codepage, 28593); | |
5228 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5229 | build_string ("iso8859-3"), codepage); | |
5230 | XSETFASTINT (codepage, 28592); | |
5231 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5232 | build_string ("iso8859-2"), codepage); | |
5233 | XSETFASTINT (codepage, 1252); | |
5234 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
5235 | build_string ("iso8859-1"), codepage); | |
ee78dc32 | 5236 | } |