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 | ||
689004fa | 29 | #include "w32term.h" |
12857dfd | 30 | #include <shellapi.h> |
ee78dc32 GV |
31 | |
32 | #include "systty.h" | |
33 | #include "systime.h" | |
34 | ||
35 | #include <ctype.h> | |
36 | #include <errno.h> | |
37 | #include <setjmp.h> | |
38 | #include <sys/stat.h> | |
39 | ||
40 | #include "frame.h" | |
41 | #include "dispextern.h" | |
42 | #include "termhooks.h" | |
43 | #include "termopts.h" | |
44 | #include "termchar.h" | |
45 | #include "gnu.h" | |
46 | #include "disptab.h" | |
47 | #include "buffer.h" | |
48 | #include "window.h" | |
49 | #include "keyboard.h" | |
50 | #include "intervals.h" | |
ef0e360f | 51 | #include "coding.h" |
ee78dc32 | 52 | |
03887dd3 KH |
53 | #undef min |
54 | #undef max | |
55 | #define min(x, y) (((x) < (y)) ? (x) : (y)) | |
56 | #define max(x, y) (((x) > (y)) ? (x) : (y)) | |
57 | ||
cabb23bc GV |
58 | /* Windows libraries do not define codepages other than ANSI and |
59 | Unicode. We need all the ones for the languages that Emacs supports | |
60 | if languages other than that of the current locale are to be | |
61 | displayed under NT. */ | |
62 | #define CP_DEFAULT 1004 | |
63 | #define CP_SJIS 932 | |
64 | #define CP_GB2312 936 | |
65 | #define CP_BIG5 950 | |
66 | #define CP_KOREAN 949 | |
67 | #define CP_THAI 874 | |
68 | #define CP_LATIN1 1252 | |
69 | #define CP_LATIN2 1250 | |
70 | #define CP_LATIN3 1254 | |
71 | #define CP_LATIN4 1257 | |
72 | #define CP_CYRILLIC5 1251 | |
73 | #define CP_ARABIC6 1256 | |
74 | #define CP_GREEK7 1253 | |
75 | #define CP_HEBREW8 1255 | |
76 | #define CP_LATIN9 /*1258?*/ | |
77 | #define CP_VIETNAM /*???*/ | |
78 | ||
79 | /* ENCODE_SJIS is defined in coding.h, but ENCODE_BIG5 is only in | |
80 | coding.c, so need our own copy here */ | |
81 | #define BIG5_SAME_ROW (0xFF - 0xA1 + 0x7F - 0x40) | |
82 | #define ENCODE_BIG5(charset, c1, c2, b1, b2) \ | |
83 | do { \ | |
84 | unsigned int temp = (c1 - 0x21) * (0xFF - 0xA1) + (c2 - 0x21); \ | |
85 | if (charset == charset_big5_2) \ | |
86 | temp += BIG5_SAME_ROW * (0xC9 - 0xA1); \ | |
87 | b1 = temp / BIG5_SAME_ROW + 0xA1; \ | |
88 | b2 = temp % BIG5_SAME_ROW; \ | |
89 | b2 += b2 < 0x3F ? 0x40 : 0x62; \ | |
90 | } while (0) | |
91 | ||
e7efd97e GV |
92 | extern unsigned int msh_mousewheel; |
93 | ||
ee78dc32 GV |
94 | extern void free_frame_menubar (); |
95 | ||
52cf03a1 GV |
96 | extern Lisp_Object Vwindow_system; |
97 | ||
ee78dc32 GV |
98 | #define x_any_window_to_frame x_window_to_frame |
99 | #define x_top_window_to_frame x_window_to_frame | |
100 | ||
101 | \f | |
fbd6baed GV |
102 | /* This is display since w32 does not support multiple ones. */ |
103 | struct w32_display_info one_w32_display_info; | |
ee78dc32 GV |
104 | |
105 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
fbd6baed | 106 | one for each element of w32_display_list and in the same order. |
ee78dc32 GV |
107 | NAME is the name of the frame. |
108 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
fbd6baed | 109 | Lisp_Object w32_display_name_list; |
ee78dc32 GV |
110 | |
111 | /* Frame being updated by update_frame. This is declared in term.c. | |
112 | This is set by update_begin and looked at by all the | |
fbd6baed GV |
113 | w32 functions. It is zero while not inside an update. |
114 | In that case, the w32 functions assume that `selected_frame' | |
ee78dc32 GV |
115 | is the frame to apply to. */ |
116 | extern struct frame *updating_frame; | |
117 | ||
118 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
119 | struct frame *pending_autoraise_frame; | |
120 | ||
121 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
122 | ||
123 | static int flexlines; | |
124 | ||
125 | /* During an update, nonzero if chars output now should be highlighted. */ | |
126 | ||
127 | static int highlight; | |
128 | ||
129 | /* Nominal cursor position -- where to draw output. | |
130 | During an update, these are different from the cursor-box position. */ | |
131 | ||
132 | static int curs_x; | |
133 | static int curs_y; | |
134 | ||
cabb23bc GV |
135 | /* Flag to disable Unicode output in case users wish to use programs |
136 | like Twinbridge on '95 rather than installed system level support | |
137 | for Far East languages. */ | |
138 | int w32_no_unicode_output; | |
139 | ||
e9e23e23 GV |
140 | DWORD dwWindowsThreadId = 0; |
141 | HANDLE hWindowsThread = NULL; | |
ee78dc32 GV |
142 | DWORD dwMainThreadId = 0; |
143 | HANDLE hMainThread = NULL; | |
144 | ||
689004fa GV |
145 | #ifndef SIF_ALL |
146 | /* These definitions are new with Windows 95. */ | |
147 | #define SIF_RANGE 0x0001 | |
148 | #define SIF_PAGE 0x0002 | |
149 | #define SIF_POS 0x0004 | |
150 | #define SIF_DISABLENOSCROLL 0x0008 | |
151 | #define SIF_TRACKPOS 0x0010 | |
152 | #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS) | |
153 | ||
154 | typedef struct tagSCROLLINFO | |
155 | { | |
156 | UINT cbSize; | |
157 | UINT fMask; | |
158 | int nMin; | |
159 | int nMax; | |
160 | UINT nPage; | |
161 | int nPos; | |
162 | int nTrackPos; | |
163 | } SCROLLINFO, FAR *LPSCROLLINFO; | |
164 | typedef SCROLLINFO CONST FAR *LPCSCROLLINFO; | |
165 | #endif /* SIF_ALL */ | |
166 | ||
167 | /* Dynamic linking to new proportional scroll bar functions. */ | |
168 | int (PASCAL *pfnSetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw); | |
169 | BOOL (PASCAL *pfnGetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi); | |
170 | ||
171 | int vertical_scroll_bar_min_handle; | |
172 | int vertical_scroll_bar_top_border; | |
173 | int vertical_scroll_bar_bottom_border; | |
174 | ||
175 | int last_scroll_bar_drag_pos; | |
176 | ||
ee78dc32 GV |
177 | /* Mouse movement. */ |
178 | ||
179 | /* Where the mouse was last time we reported a mouse event. */ | |
180 | static FRAME_PTR last_mouse_frame; | |
181 | static RECT last_mouse_glyph; | |
182 | ||
fbd6baed | 183 | Lisp_Object Vw32_num_mouse_buttons; |
52cf03a1 | 184 | |
fbd6baed | 185 | Lisp_Object Vw32_swap_mouse_buttons; |
52cf03a1 | 186 | |
689004fa GV |
187 | /* Control whether x_raise_frame also sets input focus. */ |
188 | Lisp_Object Vw32_grab_focus_on_raise; | |
189 | ||
190 | /* Control whether Caps Lock affects non-ascii characters. */ | |
191 | Lisp_Object Vw32_capslock_is_shiftlock; | |
192 | ||
ef0e360f GV |
193 | /* Control whether right-alt and left-ctrl should be recognized as AltGr. */ |
194 | Lisp_Object Vw32_recognize_altgr; | |
195 | ||
ee78dc32 GV |
196 | /* The scroll bar in which the last motion event occurred. |
197 | ||
198 | If the last motion event occurred in a scroll bar, we set this | |
fbd6baed | 199 | so w32_mouse_position can know whether to report a scroll bar motion or |
ee78dc32 GV |
200 | an ordinary motion. |
201 | ||
202 | If the last motion event didn't occur in a scroll bar, we set this | |
fbd6baed | 203 | to Qnil, to tell w32_mouse_position to return an ordinary motion event. */ |
ee78dc32 GV |
204 | Lisp_Object last_mouse_scroll_bar; |
205 | int last_mouse_scroll_bar_pos; | |
206 | ||
fbd6baed | 207 | /* This is a hack. We would really prefer that w32_mouse_position would |
ee78dc32 GV |
208 | return the time associated with the position it returns, but there |
209 | doesn't seem to be any way to wrest the timestamp from the server | |
210 | along with the position query. So, we just keep track of the time | |
211 | of the last movement we received, and return that in hopes that | |
212 | it's somewhat accurate. */ | |
213 | Time last_mouse_movement_time; | |
214 | ||
215 | /* Incremented by w32_read_socket whenever it really tries to read events. */ | |
216 | #ifdef __STDC__ | |
217 | static int volatile input_signal_count; | |
218 | #else | |
219 | static int input_signal_count; | |
220 | #endif | |
221 | ||
222 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
223 | ||
224 | extern Lisp_Object Qface, Qmouse_face; | |
225 | ||
226 | extern int errno; | |
227 | ||
228 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
229 | extern int extra_keyboard_modifiers; | |
230 | ||
231 | static Lisp_Object Qvendor_specific_keysyms; | |
232 | ||
fbd6baed | 233 | void w32_delete_display (); |
ee78dc32 GV |
234 | |
235 | static void redraw_previous_char (); | |
236 | static void redraw_following_char (); | |
fbd6baed | 237 | static unsigned int w32_get_modifiers (); |
ee78dc32 GV |
238 | |
239 | static int fast_find_position (); | |
240 | static void note_mouse_highlight (); | |
241 | static void clear_mouse_face (); | |
242 | static void show_mouse_face (); | |
243 | static void do_line_dance (); | |
244 | ||
96214669 GV |
245 | /* Forward declarations for term hooks. Consistency with the rest of Emacs |
246 | requires the use of K&R functions prototypes. However, MSVC does not | |
247 | pick up the function prototypes correctly with K&R function definitions, | |
248 | and so we declare them first to give a little help to MSVC. */ | |
249 | static void w32_clear_frame (); | |
250 | static void w32_clear_end_of_line (int); | |
251 | static void w32_ins_del_lines (int, int); | |
252 | static void w32_change_line_highlight (int, int, int); | |
253 | static void w32_insert_glyphs (GLYPH *, int); | |
254 | static void w32_write_glyphs (GLYPH *, int); | |
255 | static void w32_delete_glyphs (int); | |
256 | static void w32_ring_bell (); | |
257 | static void w32_reset_terminal_modes (); | |
258 | static void w32_set_terminal_modes (); | |
259 | static void w32_update_begin (FRAME_PTR); | |
260 | static void w32_update_end (FRAME_PTR); | |
261 | static void w32_set_terminal_window (int); | |
262 | extern int w32_read_socket (int, struct input_event *, int, int); | |
263 | static void w32_frame_up_to_date (FRAME_PTR); | |
264 | static void w32_cursor_to (int, int); | |
265 | static void w32_reassert_line_highlight (int, int); | |
266 | static void w32_mouse_position (FRAME_PTR *, int, Lisp_Object *, | |
267 | enum scroll_bar_part *, Lisp_Object *, | |
268 | Lisp_Object *, unsigned long *); | |
269 | static void w32_frame_rehighlight (FRAME_PTR); | |
270 | static void w32_frame_raise_lower (FRAME_PTR, int); | |
271 | static void w32_set_vertical_scroll_bar (struct window *, int, int, int); | |
272 | static void w32_condemn_scroll_bars (FRAME_PTR); | |
273 | static void w32_redeem_scroll_bar (struct window *); | |
274 | static void w32_judge_scroll_bars (FRAME_PTR); | |
ee78dc32 GV |
275 | \f |
276 | #if 0 | |
277 | /* This is a function useful for recording debugging information | |
278 | about the sequence of occurrences in this file. */ | |
279 | ||
280 | struct record | |
281 | { | |
282 | char *locus; | |
283 | int type; | |
284 | }; | |
285 | ||
286 | struct record event_record[100]; | |
287 | ||
288 | int event_record_index; | |
289 | ||
290 | record_event (locus, type) | |
291 | char *locus; | |
292 | int type; | |
293 | { | |
294 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
295 | event_record_index = 0; | |
296 | ||
297 | event_record[event_record_index].locus = locus; | |
298 | event_record[event_record_index].type = type; | |
299 | event_record_index++; | |
300 | } | |
301 | ||
302 | #endif /* 0 */ | |
303 | \f | |
fbd6baed | 304 | /* Return the struct w32_display_info. */ |
ee78dc32 | 305 | |
fbd6baed GV |
306 | struct w32_display_info * |
307 | w32_display_info_for_display () | |
ee78dc32 | 308 | { |
fbd6baed | 309 | return (&one_w32_display_info); |
ee78dc32 GV |
310 | } |
311 | ||
312 | void | |
fbd6baed | 313 | w32_fill_rect (f, _hdc, pix, lprect) |
ee78dc32 GV |
314 | FRAME_PTR f; |
315 | HDC _hdc; | |
316 | COLORREF pix; | |
317 | RECT * lprect; | |
318 | { | |
319 | HDC hdc; | |
320 | HBRUSH hb; | |
ee78dc32 GV |
321 | RECT rect; |
322 | ||
323 | if (_hdc) | |
324 | hdc = _hdc; | |
325 | else | |
326 | { | |
327 | if (!f) return; | |
52cf03a1 | 328 | hdc = get_frame_dc (f); |
ee78dc32 GV |
329 | } |
330 | ||
331 | hb = CreateSolidBrush (pix); | |
ee78dc32 | 332 | FillRect (hdc, lprect, hb); |
ee78dc32 GV |
333 | DeleteObject (hb); |
334 | ||
335 | if (!_hdc) | |
52cf03a1 | 336 | release_frame_dc (f, hdc); |
ee78dc32 GV |
337 | } |
338 | ||
339 | void | |
fbd6baed | 340 | w32_clear_window (f) |
ee78dc32 GV |
341 | FRAME_PTR f; |
342 | { | |
343 | RECT rect; | |
52cf03a1 | 344 | |
fbd6baed GV |
345 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
346 | w32_clear_rect (f, NULL, &rect); | |
ee78dc32 GV |
347 | } |
348 | ||
349 | \f | |
350 | /* Starting and ending updates. | |
351 | ||
352 | These hooks are called by update_frame at the beginning and end | |
353 | of a frame update. We record in `updating_frame' the identity | |
fbd6baed GV |
354 | of the frame being updated, so that the w32_... functions do not |
355 | need to take a frame as argument. Most of the w32_... functions | |
ee78dc32 | 356 | should never be called except during an update, the only exceptions |
fbd6baed | 357 | being w32_cursor_to, w32_write_glyphs and w32_reassert_line_highlight. */ |
ee78dc32 | 358 | |
96214669 | 359 | static void |
fbd6baed | 360 | w32_update_begin (f) |
ee78dc32 GV |
361 | struct frame *f; |
362 | { | |
363 | if (f == 0) | |
364 | abort (); | |
365 | ||
366 | flexlines = f->height; | |
367 | highlight = 0; | |
368 | ||
369 | BLOCK_INPUT; | |
370 | ||
52cf03a1 GV |
371 | /* Regenerate display palette before drawing if list of requested |
372 | colors has changed. */ | |
fbd6baed | 373 | if (FRAME_W32_DISPLAY_INFO (f)->regen_palette) |
52cf03a1 | 374 | { |
fbd6baed GV |
375 | w32_regenerate_palette (f); |
376 | FRAME_W32_DISPLAY_INFO (f)->regen_palette = FALSE; | |
52cf03a1 GV |
377 | } |
378 | ||
fbd6baed | 379 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
ee78dc32 GV |
380 | { |
381 | /* Don't do highlighting for mouse motion during the update. */ | |
fbd6baed | 382 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 1; |
ee78dc32 GV |
383 | |
384 | /* If the frame needs to be redrawn, | |
385 | simply forget about any prior mouse highlighting. */ | |
386 | if (FRAME_GARBAGED_P (f)) | |
fbd6baed | 387 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
ee78dc32 | 388 | |
fbd6baed | 389 | if (!NILP (FRAME_W32_DISPLAY_INFO (f)->mouse_face_window)) |
ee78dc32 GV |
390 | { |
391 | int firstline, lastline, i; | |
fbd6baed | 392 | struct window *w = XWINDOW (FRAME_W32_DISPLAY_INFO (f)->mouse_face_window); |
ee78dc32 GV |
393 | |
394 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
395 | for (firstline = 0; firstline < f->height; firstline++) | |
396 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
397 | break; | |
398 | ||
399 | lastline = f->height; | |
400 | for (i = f->height - 1; i >= 0; i--) | |
401 | { | |
402 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
403 | break; | |
404 | else | |
405 | lastline = i; | |
406 | } | |
407 | ||
408 | /* Can we tell that this update does not affect the window | |
409 | where the mouse highlight is? If so, no need to turn off. | |
410 | Likewise, don't do anything if the frame is garbaged; | |
411 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
412 | are all wrong, and we will redisplay that line anyway. */ | |
413 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
414 | || lastline < XFASTINT (w->top))) | |
fbd6baed | 415 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
ee78dc32 GV |
416 | } |
417 | } | |
418 | ||
419 | UNBLOCK_INPUT; | |
420 | } | |
421 | ||
96214669 | 422 | static void |
fbd6baed | 423 | w32_update_end (f) |
ee78dc32 GV |
424 | struct frame *f; |
425 | { | |
426 | BLOCK_INPUT; | |
427 | ||
428 | do_line_dance (); | |
429 | x_display_cursor (f, 1); | |
430 | ||
fbd6baed GV |
431 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
432 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
ee78dc32 GV |
433 | |
434 | UNBLOCK_INPUT; | |
435 | } | |
436 | ||
437 | /* This is called after a redisplay on frame F. */ | |
438 | ||
96214669 | 439 | static void |
fbd6baed | 440 | w32_frame_up_to_date (f) |
ee78dc32 GV |
441 | FRAME_PTR f; |
442 | { | |
689004fa | 443 | BLOCK_INPUT; |
fbd6baed GV |
444 | if (FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc |
445 | || f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
ee78dc32 | 446 | { |
fbd6baed GV |
447 | note_mouse_highlight (FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
448 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
449 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
450 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
ee78dc32 | 451 | } |
689004fa | 452 | UNBLOCK_INPUT; |
ee78dc32 GV |
453 | } |
454 | \f | |
455 | /* External interface to control of standout mode. | |
456 | Call this when about to modify line at position VPOS | |
457 | and not change whether it is highlighted. */ | |
458 | ||
96214669 | 459 | static void |
fbd6baed | 460 | w32_reassert_line_highlight (new, vpos) |
ee78dc32 GV |
461 | int new, vpos; |
462 | { | |
463 | highlight = new; | |
464 | } | |
465 | ||
466 | /* Call this when about to modify line at position VPOS | |
467 | and change whether it is highlighted. */ | |
468 | ||
96214669 | 469 | static void |
fbd6baed | 470 | w32_change_line_highlight (new_highlight, vpos, first_unused_hpos) |
ee78dc32 GV |
471 | int new_highlight, vpos, first_unused_hpos; |
472 | { | |
473 | highlight = new_highlight; | |
fbd6baed GV |
474 | w32_cursor_to (vpos, 0); |
475 | w32_clear_end_of_line (updating_frame->width); | |
ee78dc32 GV |
476 | } |
477 | ||
478 | /* This is used when starting Emacs and when restarting after suspend. | |
479 | When starting Emacs, no window is mapped. And nothing must be done | |
480 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
481 | ||
96214669 GV |
482 | static void |
483 | w32_set_terminal_modes (void) | |
ee78dc32 GV |
484 | { |
485 | } | |
486 | ||
487 | /* This is called when exiting or suspending Emacs. | |
fbd6baed | 488 | Exiting will make the W32 windows go away, and suspending |
ee78dc32 GV |
489 | requires no action. */ |
490 | ||
96214669 GV |
491 | static void |
492 | w32_reset_terminal_modes (void) | |
ee78dc32 GV |
493 | { |
494 | } | |
495 | \f | |
496 | /* Set the nominal cursor position of the frame. | |
497 | This is where display update commands will take effect. | |
498 | This does not affect the place where the cursor-box is displayed. */ | |
499 | ||
96214669 | 500 | static void |
fbd6baed | 501 | w32_cursor_to (row, col) |
ee78dc32 GV |
502 | register int row, col; |
503 | { | |
504 | int orow = row; | |
505 | ||
506 | curs_x = col; | |
507 | curs_y = row; | |
508 | ||
509 | if (updating_frame == 0) | |
510 | { | |
511 | BLOCK_INPUT; | |
512 | x_display_cursor (selected_frame, 1); | |
513 | UNBLOCK_INPUT; | |
514 | } | |
515 | } | |
516 | \f | |
cabb23bc GV |
517 | int |
518 | w32_codepage_for_charset (int charset) | |
519 | { | |
520 | /* The codepage is only used to convert to unicode, so we only need | |
521 | to cover the languages that we may print via unicode. */ | |
522 | if (charset == charset_latin_iso8859_1) | |
523 | return CP_LATIN1; | |
524 | else if (charset == charset_big5_1 || | |
525 | charset == charset_big5_2) | |
526 | return CP_BIG5; | |
527 | else if (charset == charset_jisx0208 | |
528 | || charset == charset_jisx0208_1978 | |
529 | || charset == charset_katakana_jisx0201 | |
530 | || charset == charset_latin_jisx0201 | |
531 | || charset == charset_id_internal ("japanese-jisx0212")) | |
532 | return CP_SJIS; | |
533 | else if (charset == charset_id_internal ("chinese-gb2312")) | |
534 | return CP_GB2312; | |
535 | else if (charset == charset_id_internal ("korean-ksc5601")) | |
536 | return CP_KOREAN; | |
537 | else if (charset == charset_id_internal ("latin-iso8859-2")) | |
538 | return CP_LATIN2; | |
539 | else if (charset == charset_id_internal ("latin-iso8859-3")) | |
540 | return CP_LATIN3; | |
541 | else if (charset == charset_id_internal ("latin-iso8859-4")) | |
542 | return CP_LATIN4; | |
543 | else if (charset == charset_id_internal ("cyrillic-iso8859-5")) | |
544 | return CP_CYRILLIC5; | |
545 | else if (charset == charset_id_internal ("arabic-iso8859-6")) | |
546 | return CP_ARABIC6; | |
547 | else if (charset == charset_id_internal ("greek-iso8859-7")) | |
548 | return CP_GREEK7; | |
549 | else if (charset == charset_id_internal ("hebrew-iso8859-8")) | |
550 | return CP_HEBREW8; | |
551 | else if (charset == charset_id_internal ("thai-tis620")) | |
552 | return CP_THAI; | |
553 | else /* Don't care - return system default. */ | |
554 | return CP_DEFAULT; | |
555 | } | |
556 | ||
557 | BOOL | |
558 | w32_use_unicode_for_codepage (codepage) | |
559 | { | |
560 | /* If the current codepage is supported, use Unicode for output. */ | |
bbdf24fa | 561 | return (!w32_no_unicode_output |
cabb23bc GV |
562 | && codepage != CP_DEFAULT && IsValidCodePage (codepage)); |
563 | } | |
564 | ||
565 | /* Dealing with bits of wchar_t as if they were an XChar2B. */ | |
566 | #define BUILD_WCHAR_T(byte1, byte2) \ | |
567 | ((wchar_t)(((byte1 & 0x00ff) << 8) | (byte2 & 0x00ff))) | |
568 | ||
569 | ||
570 | #define BYTE1(ch) \ | |
571 | ((ch & 0xff00) >> 8) | |
572 | ||
573 | #define BYTE2(ch) \ | |
574 | (ch & 0x00ff) | |
575 | ||
576 | \f | |
ee78dc32 GV |
577 | /* Display a sequence of N glyphs found at GP. |
578 | WINDOW is the window to output to. LEFT and TOP are starting coords. | |
579 | HL is 1 if this text is highlighted, 2 if the cursor is on it, | |
580 | 3 if should appear in its mouse-face. | |
581 | JUST_FOREGROUND if 1 means draw only the foreground; | |
582 | don't alter the background. | |
583 | ||
584 | FONT is the default font to use (for glyphs whose font-code is 0). | |
585 | ||
586 | Since the display generation code is responsible for calling | |
587 | compute_char_face and compute_glyph_face on everything it puts in | |
588 | the display structure, we can assume that the face code on each | |
589 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one | |
590 | to which we can actually apply intern_face. | |
591 | Call this function with input blocked. */ | |
592 | ||
cabb23bc | 593 | static int |
ef0e360f | 594 | dumpglyphs (f, left, top, gp, n, hl, just_foreground, cmpcharp) |
ee78dc32 GV |
595 | struct frame *f; |
596 | int left, top; | |
597 | register GLYPH *gp; /* Points to first GLYPH. */ | |
598 | register int n; /* Number of glyphs to display. */ | |
599 | int hl; | |
600 | int just_foreground; | |
cabb23bc | 601 | struct cmpchar_info *cmpcharp; |
ee78dc32 | 602 | { |
cabb23bc GV |
603 | wchar_t *x_2byte_buffer |
604 | = (wchar_t *) alloca (FRAME_WINDOW_WIDTH (f) * sizeof (*x_2byte_buffer)); | |
605 | register wchar_t *cp; /* Steps through x_2byte_buffer[]. */ | |
606 | ||
607 | /* Allocate double the window width, as this buffer may contain MBCS | |
608 | characters under w32. */ | |
609 | char *x_1byte_buffer | |
610 | = (char *) alloca (2 * FRAME_WINDOW_WIDTH (f) * sizeof (*x_1byte_buffer)); | |
611 | register char *bp; /* Steps through x_1byte_buffer[]. */ | |
ee78dc32 GV |
612 | register int tlen = GLYPH_TABLE_LENGTH; |
613 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
fbd6baed | 614 | Window window = FRAME_W32_WINDOW (f); |
cabb23bc | 615 | HDC hdc = get_frame_dc (f); |
ee78dc32 | 616 | int orig_left = left; |
cabb23bc GV |
617 | int gidx = 0; |
618 | int i; | |
ee78dc32 GV |
619 | |
620 | while (n > 0) | |
621 | { | |
622 | /* Get the face-code of the next GLYPH. */ | |
cabb23bc | 623 | int cf, len, n_chars; |
ef0e360f GV |
624 | GLYPH g = *gp; |
625 | int ch, charset; | |
cabb23bc GV |
626 | Lisp_Object first_ch; |
627 | /* HIGHEST and LOWEST are used while drawing a composite | |
628 | character. The meanings are described later. */ | |
629 | int highest, lowest; | |
ee78dc32 GV |
630 | |
631 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
ef0e360f GV |
632 | cf = (cmpcharp ? cmpcharp->face_work : FAST_GLYPH_FACE (g)); |
633 | ch = FAST_GLYPH_CHAR (g); | |
cabb23bc GV |
634 | if (unibyte_display_via_language_environment |
635 | && SINGLE_BYTE_CHAR_P (ch) | |
636 | && ch >= 160) | |
637 | ch = unibyte_char_to_multibyte (ch); | |
638 | if (gidx == 0) XSETFASTINT (first_ch, ch); | |
ef0e360f GV |
639 | charset = CHAR_CHARSET (ch); |
640 | if (charset == CHARSET_COMPOSITION) | |
641 | { | |
ef0e360f | 642 | /* We must draw components of the composite character on the |
cabb23bc | 643 | same column. */ |
ef0e360f GV |
644 | cmpcharp = cmpchar_table[COMPOSITE_CHAR_ID (ch)]; |
645 | ||
646 | /* Set the face in the slot for work. */ | |
647 | cmpcharp->face_work = cf; | |
648 | ||
cabb23bc | 649 | /* We don't need the return value ... */ |
ef0e360f GV |
650 | dumpglyphs (f, left, top, cmpcharp->glyph, cmpcharp->glyph_len, |
651 | hl, just_foreground, cmpcharp); | |
cabb23bc GV |
652 | /* ... because the width of just drawn text can be |
653 | calculated as follows. */ | |
654 | left += FONT_WIDTH (FRAME_FONT (f)) * cmpcharp->width; | |
655 | ||
ef0e360f GV |
656 | ++gp, --n; |
657 | while (gp && (*gp & GLYPH_MASK_PADDING)) ++gp, --n; | |
658 | cmpcharp = NULL; | |
659 | continue; | |
660 | } | |
cabb23bc GV |
661 | |
662 | /* Find the run of consecutive glyphs which can be drawn with | |
663 | the same DC (i.e. the same charset and the same face-code). | |
664 | Extract their character codes into X_2BYTE_BUFFER. | |
665 | If CMPCHARP is not NULL, face-code is not checked because we | |
666 | use only the face specified in `cmpcharp->face_work'. */ | |
667 | cp = x_2byte_buffer; | |
ee78dc32 GV |
668 | while (n > 0) |
669 | { | |
cabb23bc | 670 | int this_charset, c1, c2; |
ef0e360f | 671 | |
ee78dc32 GV |
672 | g = *gp; |
673 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
ef0e360f | 674 | ch = FAST_GLYPH_CHAR (g); |
cabb23bc GV |
675 | if (unibyte_display_via_language_environment |
676 | && SINGLE_BYTE_CHAR_P (ch) | |
677 | && ch >= 160) | |
678 | ch = unibyte_char_to_multibyte (ch); | |
679 | SPLIT_CHAR (ch, this_charset, c1, c2); | |
ef0e360f GV |
680 | if (this_charset != charset |
681 | || (cmpcharp == NULL && FAST_GLYPH_FACE (g) != cf)) | |
ee78dc32 GV |
682 | break; |
683 | ||
cabb23bc GV |
684 | if (c2 > 0) |
685 | *cp = BUILD_WCHAR_T (c1, c2); | |
ef0e360f | 686 | else |
cabb23bc GV |
687 | *cp = BUILD_WCHAR_T (0, c1); |
688 | ++cp; | |
ef0e360f | 689 | ++gp, --n; |
ef0e360f GV |
690 | while (gp && (*gp & GLYPH_MASK_PADDING)) |
691 | ++gp, --n; | |
ee78dc32 GV |
692 | } |
693 | ||
694 | /* LEN gets the length of the run. */ | |
cabb23bc | 695 | len = cp - x_2byte_buffer; |
ee78dc32 GV |
696 | /* Now output this run of chars, with the font and pixel values |
697 | determined by the face code CF. */ | |
698 | { | |
699 | struct face *face = FRAME_DEFAULT_FACE (f); | |
cabb23bc | 700 | XFontStruct *font = NULL; |
ee78dc32 GV |
701 | COLORREF fg; |
702 | COLORREF bg; | |
cabb23bc GV |
703 | int stippled = 0; |
704 | int line_height = FRAME_LINE_HEIGHT (f); | |
705 | /* Pixel width of each glyph in this run. */ | |
706 | int glyph_width | |
707 | = (FONT_WIDTH (FRAME_FONT (f)) | |
708 | * (cmpcharp ? cmpcharp->width : CHARSET_WIDTH (charset))); | |
709 | /* Overall pixel width of this run. */ | |
710 | int run_width | |
711 | = (FONT_WIDTH (FRAME_FONT (f)) | |
712 | * (cmpcharp ? cmpcharp->width : len * CHARSET_WIDTH (charset))); | |
713 | /* A flag to tell if we have already filled background. We | |
714 | fill background in advance in the following cases: | |
715 | 1) A face has stipple. | |
716 | 2) A height of font is shorter than LINE_HEIGHT. | |
717 | 3) Drawing a composite character. | |
718 | 4) Font has non-zero _MULE_BASELINE_OFFSET property. | |
719 | After filling background, we draw glyphs by XDrawString16. */ | |
720 | int background_filled; | |
721 | /* Baseline position of a character, offset from TOP. */ | |
722 | int baseline; | |
723 | /* The property value of `_MULE_RELATIVE_COMPOSE' and | |
724 | `_MULE_DEFAULT_ASCENT'. */ | |
725 | int relative_compose = 0, default_ascent = 0; | |
726 | /* 1 if we find no font or a font of inappropriate size. */ | |
727 | int require_clipping; | |
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 | { | |
765 | int font_id; | |
766 | int fontset = FACE_FONTSET (face); | |
767 | struct font_info *fontp; | |
768 | ||
769 | if ((fontset < 0 && (fontset = FRAME_FONTSET (f)) < 0) | |
770 | || !(fontp = FS_LOAD_FONT (f, FRAME_W32_FONT_TABLE (f), | |
771 | charset, NULL, fontset))) | |
772 | goto font_not_found; | |
773 | ||
774 | font = (XFontStruct *) (fontp->font); | |
775 | codepage = w32_codepage_for_charset (charset); | |
776 | print_via_unicode = w32_use_unicode_for_codepage (codepage); | |
777 | ||
778 | /* tmLastChar will only exceed 255 if TEXTMETRICW is used | |
779 | (ie on NT but not on 95). In this case there is no harm | |
780 | in being wrong, so have a go anyway. */ | |
781 | baseline = | |
782 | (font->tm.tmLastChar > 255 | |
783 | ? (line_height + font->tm.tmAscent - font->tm.tmDescent) / 2 | |
784 | : f->output_data.w32->font_baseline - fontp->baseline_offset); | |
785 | if (FONT_HEIGHT (font) <= line_height | |
786 | && (font->tm.tmAscent > baseline | |
787 | || font->tm.tmDescent > line_height - baseline)) | |
788 | /* Adjust baseline for this font to show the whole | |
789 | glyphs in a line. */ | |
790 | baseline = line_height - font->tm.tmDescent; | |
791 | ||
792 | if (cmpcharp && cmpcharp->cmp_rule == NULL) | |
793 | { | |
794 | relative_compose = fontp->relative_compose; | |
795 | default_ascent = fontp->default_ascent; | |
796 | } | |
797 | ||
798 | /* We have to change code points in the following cases. */ | |
799 | if (charset == charset_big5_1 | |
800 | || charset == charset_big5_2) | |
801 | { | |
802 | /* Handle Big5 encoding specially rather than | |
803 | requiring a CCL. */ | |
804 | int big1, big2; | |
805 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
806 | { | |
807 | ENCODE_BIG5 (charset, BYTE1 (*cp), BYTE2 (*cp), | |
808 | big1, big2); | |
809 | *cp = BUILD_WCHAR_T (big1, big2); | |
810 | } | |
811 | } | |
812 | else if (fontp->font_encoder) | |
813 | { | |
814 | /* This font requires CCL program to calculate code | |
815 | point of characters. */ | |
816 | struct ccl_program *ccl = fontp->font_encoder; | |
817 | ||
818 | if (CHARSET_DIMENSION (charset) == 1) | |
819 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
820 | { | |
821 | ccl->reg[0] = charset; | |
822 | ccl->reg[1] = BYTE2 (*cp); | |
823 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
824 | /* We assume that MSBs are appropriately | |
825 | set/reset by CCL program. */ | |
826 | #if 0 /* this probably works under NT, but not under 95. */ | |
827 | if (font->tm.tmLastChar < 256) /* 1-byte font */ | |
828 | *cp = BUILD_WCHAR_T (0, ccl->reg[1]); | |
829 | else | |
830 | *cp = BUILD_WCHAR_T (ccl->reg[1], ccl->reg[2]); | |
831 | #else /* Assume single dimensional charsets stay so. */ | |
832 | *cp = BUILD_WCHAR_T (0, ccl->reg[1]); | |
833 | #endif | |
834 | } | |
835 | else | |
836 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
837 | { | |
838 | ccl->reg[0] = charset; | |
839 | ccl->reg[1] = BYTE1 (*cp) , ccl->reg[2] = BYTE2 (*cp); | |
840 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
841 | /* We assume that MSBs are appropriately | |
842 | set/reset by CCL program. */ | |
843 | #if 0 /* this probably works under NT, but not under 95. */ | |
844 | if (font->tm.tmLastChar < 256) /* 1-byte font */ | |
845 | *cp = BUILD_WCHAR_T (0, ccl->reg[1]); | |
846 | else | |
847 | *cp = BUILD_WCHAR_T (ccl->reg[1],ccl->reg[2]); | |
848 | #else /* Assume multidimensional charsets stay so. */ | |
849 | *cp = BUILD_WCHAR_T (ccl->reg[1],ccl->reg[2]); | |
850 | #endif | |
851 | } | |
852 | } | |
853 | /* Japanese Kanji are a special case under w32, as they | |
854 | must be printed in SJIS rather than EUC. */ | |
855 | else if ((charset == charset_jisx0208) | |
856 | || (charset == charset_jisx0208_1978) | |
857 | || (charset == charset_id_internal ("japanese-jisx0212"))) | |
858 | { | |
859 | int sjis1, sjis2; | |
860 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
861 | { | |
862 | ENCODE_SJIS (BYTE1 (*cp), BYTE2 (*cp), sjis1, sjis2); | |
863 | *cp = BUILD_WCHAR_T (sjis1, sjis2); | |
864 | } | |
865 | } | |
866 | else if (fontp->encoding[charset]) | |
867 | { | |
868 | int enc = fontp->encoding[charset]; | |
869 | ||
870 | if ((enc == 1 || enc == 2) && CHARSET_DIMENSION (charset) == 2) | |
871 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
872 | *cp = BUILD_WCHAR_T (BYTE1 (*cp) | 0x80, BYTE2 (*cp)); | |
873 | if (enc == 1 || enc == 3) | |
874 | for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++) | |
875 | *cp = BUILD_WCHAR_T (BYTE1 (*cp), BYTE2 (*cp) | 0x80); | |
876 | } | |
877 | } | |
878 | else | |
879 | { | |
880 | font_not_found: | |
881 | if (charset == CHARSET_ASCII || charset == charset_latin_iso8859_1) | |
882 | { | |
883 | font = FACE_FONT (face); | |
884 | if (!font || font == (XFontStruct *) FACE_DEFAULT) | |
885 | font = FRAME_FONT (f); | |
886 | baseline = FONT_BASE (FRAME_FONT (f)); | |
887 | if (charset == charset_latin_iso8859_1) | |
888 | { | |
889 | if (font->tm.tmLastChar < 0x80) | |
890 | /* This font can't display Latin1 characters. */ | |
891 | font = NULL; | |
892 | else | |
893 | { | |
894 | for (cp = x_2byte_buffer; | |
895 | cp < x_2byte_buffer + len; cp++) | |
896 | *cp = BUILD_WCHAR_T (BYTE1 (*cp), | |
897 | BYTE2 (*cp) | 0x80); | |
898 | } | |
899 | } | |
900 | } | |
901 | } | |
902 | ||
903 | /* Convert x_2byte_buffer into a buffer of single byte | |
904 | characters - possibly containing MBCS runs. */ | |
905 | bp = x_1byte_buffer; | |
906 | for (i = 0; i < len; i++) | |
907 | { | |
908 | if (BYTE1 (*(x_2byte_buffer + i))) | |
909 | *bp++ = BYTE1 (*(x_2byte_buffer + i)); | |
910 | *bp++ = BYTE2 (*(x_2byte_buffer + i)); | |
911 | } | |
912 | n_chars = bp - x_1byte_buffer; | |
913 | ||
ee78dc32 GV |
914 | fg = face->foreground; |
915 | bg = face->background; | |
916 | ||
917 | /* Now override that if the cursor's on this character. */ | |
918 | if (hl == 2) | |
919 | { | |
920 | /* The cursor overrides stippling. */ | |
921 | stippled = 0; | |
922 | ||
cabb23bc GV |
923 | if (font == FRAME_FONT (f) |
924 | && face->background == FRAME_BACKGROUND_PIXEL (f) | |
925 | && face->foreground == FRAME_FOREGROUND_PIXEL (f) | |
926 | && !cmpcharp) | |
ee78dc32 | 927 | { |
fbd6baed | 928 | bg = f->output_data.w32->cursor_pixel; |
ee78dc32 GV |
929 | fg = face->background; |
930 | } | |
931 | /* Cursor on non-default face: must merge. */ | |
932 | else | |
933 | { | |
fbd6baed | 934 | bg = f->output_data.w32->cursor_pixel; |
ee78dc32 GV |
935 | fg = face->background; |
936 | /* If the glyph would be invisible, | |
937 | try a different foreground. */ | |
938 | if (fg == bg) | |
939 | fg = face->foreground; | |
940 | if (fg == bg) | |
fbd6baed | 941 | fg = f->output_data.w32->cursor_foreground_pixel; |
ee78dc32 GV |
942 | if (fg == bg) |
943 | fg = face->foreground; | |
944 | /* Make sure the cursor is distinct from text in this face. */ | |
945 | if (bg == face->background | |
946 | && fg == face->foreground) | |
947 | { | |
948 | bg = face->foreground; | |
949 | fg = face->background; | |
950 | } | |
951 | } | |
952 | } | |
953 | ||
cabb23bc GV |
954 | if (font) |
955 | require_clipping = (!NILP (Vclip_large_size_font) | |
956 | && (font->tm.tmAscent > baseline | |
957 | || font->tm.tmDescent > | |
958 | line_height - baseline | |
959 | || (!cmpcharp | |
960 | && FONT_WIDTH (font) > glyph_width))); | |
961 | ||
962 | if (font && (just_foreground || (cmpcharp && gidx > 0))) | |
963 | background_filled = 1; | |
964 | ||
965 | /* Stippling not supported under w32. */ | |
966 | ||
967 | else if (!font | |
968 | || FONT_HEIGHT (font) < line_height | |
969 | || FONT_WIDTH (font) < glyph_width | |
970 | || cmpcharp) | |
971 | { | |
972 | /* Fill in the background for the current run. */ | |
973 | w32_fill_area (f, hdc, bg, | |
974 | left, | |
975 | top, | |
976 | run_width, | |
977 | line_height); | |
978 | background_filled = 1; | |
979 | if (cmpcharp) | |
980 | /* To assure not to fill background while drawing | |
981 | remaining components. */ | |
982 | just_foreground = 1; | |
983 | } | |
984 | else | |
985 | background_filled = 0; | |
ee78dc32 | 986 | |
cabb23bc | 987 | SetBkMode (hdc, background_filled ? TRANSPARENT : OPAQUE); |
ee78dc32 GV |
988 | SetTextColor (hdc, fg); |
989 | SetBkColor (hdc, bg); | |
990 | ||
cabb23bc GV |
991 | if ( print_via_unicode ) |
992 | n_chars = MultiByteToWideChar | |
993 | (codepage, 0, x_1byte_buffer, n_chars, | |
994 | x_2byte_buffer, FRAME_WINDOW_WIDTH (f)); | |
ee78dc32 | 995 | |
cabb23bc | 996 | if (font) |
ee78dc32 | 997 | { |
cabb23bc GV |
998 | SelectObject (hdc, font->hfont); |
999 | ||
1000 | if (!cmpcharp) | |
1001 | { | |
1002 | int multibyte_pos_offset = 0; | |
1003 | if (require_clipping || FONT_WIDTH (font) != glyph_width) | |
1004 | { | |
1005 | RECT clip_rectangle; | |
1006 | LPRECT clip_region = NULL; | |
1007 | UINT fuOptions = 0; | |
1008 | ||
1009 | for (i = 0; i < n_chars; i++) | |
1010 | { | |
1011 | if (require_clipping) | |
1012 | { | |
1013 | /* Set up a clipping rectangle for ExtTextOut */ | |
1014 | fuOptions |= ETO_CLIPPED; | |
1015 | clip_rectangle.left = left + i * glyph_width; | |
1016 | clip_rectangle.right | |
1017 | = left + (i + 1) * glyph_width; | |
1018 | clip_rectangle.top = top; | |
1019 | clip_rectangle.bottom = top + line_height; | |
1020 | clip_region = &clip_rectangle; | |
1021 | } | |
1022 | ||
1023 | /* baseline works differently on w32 than X, | |
1024 | leave it out for now. */ | |
1025 | if (print_via_unicode) | |
1026 | ExtTextOutW (hdc, left + glyph_width * i, | |
1027 | top /*+ baseline*/, fuOptions, | |
1028 | clip_region, x_2byte_buffer + i, | |
1029 | 1, NULL); | |
1030 | else if (CHARSET_DIMENSION (charset) > 1) | |
1031 | { | |
1032 | /* Keep character together */ | |
1033 | int n = CHARSET_DIMENSION (charset) ; | |
1034 | ExtTextOut (hdc, left + multibyte_pos_offset, | |
1035 | top /*+ baseline*/, fuOptions, | |
1036 | clip_region, x_1byte_buffer + i, | |
1037 | n, NULL); | |
1038 | /* fiddle i. */ | |
1039 | i += n - 1; | |
1040 | multibyte_pos_offset += glyph_width; | |
1041 | } | |
1042 | else | |
1043 | ExtTextOut (hdc, left + glyph_width * i, | |
1044 | top /*+ baseline*/, fuOptions, | |
1045 | clip_region, x_1byte_buffer + i, | |
1046 | 1, NULL); | |
1047 | } | |
1048 | } | |
1049 | else | |
1050 | { | |
1051 | /* Print the whole run of characters. */ | |
1052 | if (print_via_unicode) | |
1053 | TextOutW (hdc, left, top /*+ baseline*/, | |
1054 | x_2byte_buffer, n_chars); | |
1055 | else | |
1056 | TextOut (hdc, left, top /*+ baseline*/, | |
1057 | x_1byte_buffer, n_chars); | |
1058 | } | |
1059 | } | |
1060 | else | |
1061 | { | |
1062 | /* Handle composite characters. */ | |
1063 | RECT clip_rectangle; | |
1064 | LPRECT clip_region = NULL; | |
1065 | UINT fuOptions = 0; | |
1066 | ||
1067 | if (require_clipping) | |
1068 | { | |
1069 | /* Set up a clipping rectangle for ExtTextOut */ | |
1070 | fuOptions |= ETO_CLIPPED; | |
1071 | clip_rectangle.left = left; | |
1072 | clip_rectangle.right = left + glyph_width; | |
1073 | clip_rectangle.top = top; | |
1074 | clip_rectangle.bottom = top + line_height; | |
1075 | clip_region = &clip_rectangle; | |
1076 | } | |
1077 | if ((cmpcharp->cmp_rule || relative_compose) | |
1078 | && gidx == 0) | |
1079 | { | |
1080 | /* This is the first character. Initialize variables. | |
1081 | HIGHEST is the highest position of glyphs ever | |
1082 | written, LOWEST the lowest position. */ | |
1083 | int x_offset = 0; | |
1084 | ||
1085 | if (default_ascent | |
1086 | && CHAR_TABLE_P (Vuse_default_ascent) | |
1087 | && !NILP (Faref (Vuse_default_ascent, first_ch))) | |
1088 | { | |
1089 | highest = default_ascent; | |
1090 | lowest = 0; | |
1091 | } | |
1092 | else | |
1093 | { | |
1094 | /* Per char metrics not supported on w32 - use | |
1095 | font's metrics. */ | |
1096 | highest = font->tm.tmAscent + 1; | |
1097 | lowest = - font->tm.tmDescent; | |
1098 | } | |
1099 | ||
1100 | if (cmpcharp->cmp_rule) | |
1101 | x_offset = (cmpcharp->col_offset[0] | |
1102 | * FONT_WIDTH (FRAME_FONT (f))); | |
1103 | ||
1104 | i = 1; | |
1105 | ||
1106 | /* Draw the first character at the normal position. */ | |
1107 | if (print_via_unicode) | |
1108 | ExtTextOutW (hdc, left + x_offset, top /*+ baseline*/, | |
1109 | fuOptions, clip_region, | |
1110 | x_2byte_buffer, 1, NULL); | |
1111 | else if (CHARSET_DIMENSION (charset) > 1) | |
1112 | { | |
1113 | /* Keep character together */ | |
1114 | int n = CHARSET_DIMENSION (charset) ; | |
1115 | ExtTextOut (hdc, left + x_offset, top /*+ baseline*/, | |
1116 | fuOptions, clip_region, | |
1117 | x_1byte_buffer, n, NULL); | |
1118 | /* fiddle i. */ | |
1119 | i += n - 1; | |
1120 | } | |
1121 | else | |
1122 | ExtTextOut (hdc, left + x_offset, top /*+ baseline*/, | |
1123 | fuOptions, clip_region, | |
1124 | x_1byte_buffer, 1, NULL); | |
1125 | gidx++; | |
1126 | } | |
1127 | else | |
1128 | i = 0; | |
1129 | ||
1130 | for (; i < n_chars; i++, gidx++) | |
1131 | { | |
1132 | int x_offset = 0, y_offset = 0; | |
1133 | ||
1134 | if (relative_compose) | |
1135 | { | |
1136 | /* No per char metrics on w32. */ | |
1137 | if (NILP (Vignore_relative_composition) | |
1138 | || NILP (Faref (Vignore_relative_composition, | |
1139 | make_number (cmpcharp->glyph[gidx])))) | |
1140 | { | |
1141 | if (- font->tm.tmDescent >= relative_compose) | |
1142 | { | |
1143 | /* Draw above the current glyphs. */ | |
1144 | y_offset = highest + font->tm.tmDescent; | |
1145 | highest += font->tm.tmAscent | |
1146 | + font->tm.tmDescent; | |
1147 | } | |
1148 | else if (font->tm.tmAscent <= 0) | |
1149 | { | |
1150 | /* Draw beneath the current glyphs. */ | |
1151 | y_offset = lowest - font->tm.tmAscent; | |
1152 | lowest -= font->tm.tmAscent | |
1153 | + font->tm.tmDescent; | |
1154 | } | |
1155 | } | |
1156 | else | |
1157 | { | |
1158 | /* Draw the glyph at normal position. If | |
1159 | it sticks out of HIGHEST or LOWEST, | |
1160 | update them appropriately. */ | |
1161 | if (font->tm.tmAscent > highest) | |
1162 | highest = font->tm.tmAscent; | |
1163 | else if (- font->tm.tmDescent < lowest) | |
1164 | lowest = - font->tm.tmDescent; | |
1165 | } | |
1166 | } | |
1167 | else if (cmpcharp->cmp_rule) | |
1168 | { | |
1169 | int gref = (cmpcharp->cmp_rule[gidx] - 0xA0) / 9; | |
1170 | int nref = (cmpcharp->cmp_rule[gidx] - 0xA0) % 9; | |
1171 | int bottom, top; | |
1172 | ||
1173 | /* Re-encode GREF and NREF so that they specify | |
1174 | only Y-axis information: | |
1175 | 0:top, 1:base, 2:bottom, 3:center */ | |
1176 | gref = gref / 3 + (gref == 4) * 2; | |
1177 | nref = nref / 3 + (nref == 4) * 2; | |
1178 | ||
1179 | /* No per char metrics on w32. */ | |
1180 | bottom = ((gref == 0 ? highest : gref == 1 ? 0 | |
1181 | : gref == 2 ? lowest | |
1182 | : (highest + lowest) / 2) | |
1183 | - (nref == 0 ? font->tm.tmAscent | |
1184 | + font->tm.tmDescent | |
1185 | : nref == 1 ? font->tm.tmDescent | |
1186 | : nref == 2 ? 0 | |
1187 | : (font->tm.tmAscent + | |
1188 | font->tm.tmDescent) / 2)); | |
1189 | top = bottom + (font->tm.tmAscent + | |
1190 | font->tm.tmDescent); | |
1191 | if (top > highest) | |
1192 | highest = top; | |
1193 | if (bottom < lowest) | |
1194 | lowest = bottom; | |
1195 | y_offset = bottom + font->tm.tmDescent; | |
1196 | x_offset = (cmpcharp->col_offset[gidx] | |
1197 | * FONT_WIDTH (FRAME_FONT(f))); | |
1198 | } | |
1199 | ||
1200 | if (print_via_unicode) | |
1201 | ExtTextOutW (hdc, left + x_offset, | |
1202 | top /*+ baseline - y_offset*/, | |
1203 | fuOptions, clip_region, | |
1204 | x_2byte_buffer + i, 1, NULL); | |
1205 | else if (CHARSET_DIMENSION (charset) > 1) | |
1206 | { | |
1207 | /* Keep character together */ | |
1208 | int n = CHARSET_DIMENSION (charset) ; | |
1209 | ExtTextOut (hdc, left + x_offset, | |
1210 | top /*+ baseline - y_offset*/, | |
1211 | fuOptions, clip_region, | |
1212 | x_1byte_buffer + i, n, NULL); | |
1213 | /* fiddle i. */ | |
1214 | i += n - 1; | |
1215 | } | |
1216 | else | |
1217 | ExtTextOut (hdc, left + x_offset, | |
1218 | top /*+ baseline - y_offset*/, | |
1219 | fuOptions, clip_region, | |
1220 | x_1byte_buffer + i, 1, NULL); | |
1221 | } | |
1222 | } | |
ee78dc32 | 1223 | } |
cabb23bc GV |
1224 | if (!font) |
1225 | { | |
1226 | /* Show rectangles to indicate that we found no font. */ | |
1227 | int limit = cmpcharp ? 1 : len; | |
ee78dc32 | 1228 | |
cabb23bc GV |
1229 | for (i = 0; i < limit; i++) |
1230 | Rectangle (hdc, left + glyph_width * i, top, | |
1231 | left + glyph_width * (i + 1) - 1, | |
1232 | top + line_height - 1); | |
1233 | } | |
1234 | else if (require_clipping && !NILP (Vhighlight_wrong_size_font)) | |
1235 | { | |
1236 | /* Indicate that we found a font of inappropriate size. */ | |
1237 | int limit = cmpcharp ? 1 : len; | |
1238 | ||
1239 | for (i = 0; i < limit; i++) | |
1240 | { | |
1241 | w32_fill_area (f, hdc, fg, left + glyph_width * i, | |
1242 | top + line_height - 1, glyph_width, 1); | |
1243 | w32_fill_area (f, hdc, fg, left + glyph_width * i, | |
1244 | top + line_height - 3, 1, 2); | |
1245 | } | |
1246 | } | |
ee78dc32 | 1247 | { |
cabb23bc GV |
1248 | /* Setting underline position based on the metric of the |
1249 | current font results in shaky underline if it strides | |
1250 | over different fonts. So, we set the position based only | |
1251 | on the default font of this frame. */ | |
ee78dc32 GV |
1252 | int underline_position = 1; |
1253 | ||
cabb23bc GV |
1254 | if (FRAME_FONT (f)->tm.tmDescent <= underline_position) |
1255 | underline_position = FRAME_FONT (f)->tm.tmDescent - 1; | |
ee78dc32 GV |
1256 | |
1257 | if (face->underline) | |
cabb23bc GV |
1258 | w32_fill_area (f, hdc, fg, left, |
1259 | top + FONT_BASE (font) + underline_position, | |
1260 | run_width, 1); | |
ee78dc32 GV |
1261 | } |
1262 | ||
cabb23bc GV |
1263 | if (!cmpcharp) |
1264 | left += run_width; | |
ee78dc32 GV |
1265 | } |
1266 | } | |
52cf03a1 | 1267 | release_frame_dc (f, hdc); |
cabb23bc GV |
1268 | |
1269 | return (left - orig_left); | |
ee78dc32 GV |
1270 | } |
1271 | ||
1272 | \f | |
1273 | /* Output some text at the nominal frame cursor position. | |
1274 | Advance the cursor over the text. | |
1275 | Output LEN glyphs at START. | |
1276 | ||
fbd6baed | 1277 | `highlight', set up by w32_reassert_line_highlight or w32_change_line_highlight, |
ee78dc32 GV |
1278 | controls the pixel values used for foreground and background. */ |
1279 | ||
96214669 | 1280 | static void |
fbd6baed | 1281 | w32_write_glyphs (start, len) |
ee78dc32 GV |
1282 | register GLYPH *start; |
1283 | int len; | |
1284 | { | |
1285 | register int temp_length; | |
1286 | struct frame *f; | |
1287 | ||
1288 | BLOCK_INPUT; | |
1289 | ||
1290 | do_line_dance (); | |
1291 | f = updating_frame; | |
1292 | if (f == 0) | |
1293 | { | |
1294 | f = selected_frame; | |
1295 | /* If not within an update, | |
1296 | output at the frame's visible cursor. */ | |
1297 | curs_x = f->cursor_x; | |
1298 | curs_y = f->cursor_y; | |
1299 | } | |
1300 | ||
1301 | dumpglyphs (f, | |
1302 | CHAR_TO_PIXEL_COL (f, curs_x), | |
1303 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
ef0e360f | 1304 | start, len, highlight, 0, NULL); |
ee78dc32 GV |
1305 | |
1306 | /* If we drew on top of the cursor, note that it is turned off. */ | |
1307 | if (curs_y == f->phys_cursor_y | |
1308 | && curs_x <= f->phys_cursor_x | |
1309 | && curs_x + len > f->phys_cursor_x) | |
1310 | f->phys_cursor_x = -1; | |
1311 | ||
1312 | if (updating_frame == 0) | |
1313 | { | |
1314 | f->cursor_x += len; | |
1315 | x_display_cursor (f, 1); | |
1316 | f->cursor_x -= len; | |
1317 | } | |
1318 | else | |
1319 | curs_x += len; | |
1320 | ||
1321 | UNBLOCK_INPUT; | |
1322 | } | |
1323 | \f | |
1324 | /* Clear to the end of the line. | |
1325 | Erase the current text line from the nominal cursor position (inclusive) | |
1326 | to column FIRST_UNUSED (exclusive). The idea is that everything | |
1327 | from FIRST_UNUSED onward is already erased. */ | |
1328 | ||
96214669 | 1329 | static void |
fbd6baed | 1330 | w32_clear_end_of_line (first_unused) |
ee78dc32 GV |
1331 | register int first_unused; |
1332 | { | |
1333 | struct frame *f = updating_frame; | |
1334 | ||
1335 | if (f == 0) | |
1336 | abort (); | |
1337 | ||
1338 | if (curs_y < 0 || curs_y >= f->height) | |
96214669 | 1339 | return; |
ee78dc32 | 1340 | if (first_unused <= 0) |
96214669 | 1341 | return; |
ee78dc32 GV |
1342 | |
1343 | if (first_unused >= f->width) | |
1344 | first_unused = f->width; | |
1345 | ||
11606873 GV |
1346 | first_unused += FRAME_LEFT_SCROLL_BAR_WIDTH (f); |
1347 | ||
ee78dc32 GV |
1348 | BLOCK_INPUT; |
1349 | ||
1350 | do_line_dance (); | |
1351 | ||
1352 | /* Notice if the cursor will be cleared by this operation. */ | |
1353 | if (curs_y == f->phys_cursor_y | |
1354 | && curs_x <= f->phys_cursor_x | |
1355 | && f->phys_cursor_x < first_unused) | |
1356 | f->phys_cursor_x = -1; | |
1357 | ||
fbd6baed | 1358 | w32_clear_area (f, NULL, |
ee78dc32 GV |
1359 | CHAR_TO_PIXEL_COL (f, curs_x), |
1360 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
fbd6baed GV |
1361 | FONT_WIDTH (f->output_data.w32->font) * (first_unused - curs_x), |
1362 | f->output_data.w32->line_height); | |
ee78dc32 GV |
1363 | |
1364 | UNBLOCK_INPUT; | |
1365 | } | |
1366 | ||
96214669 | 1367 | static void |
fbd6baed | 1368 | w32_clear_frame () |
ee78dc32 GV |
1369 | { |
1370 | struct frame *f = updating_frame; | |
1371 | ||
1372 | if (f == 0) | |
1373 | f = selected_frame; | |
1374 | ||
1375 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
1376 | curs_x = 0; /* Nominal cursor position is top left. */ | |
1377 | curs_y = 0; | |
1378 | ||
1379 | BLOCK_INPUT; | |
1380 | ||
fbd6baed | 1381 | w32_clear_window (f); |
ee78dc32 GV |
1382 | |
1383 | /* We have to clear the scroll bars, too. If we have changed | |
1384 | colors or something like that, then they should be notified. */ | |
1385 | x_scroll_bar_clear (f); | |
1386 | ||
1387 | UNBLOCK_INPUT; | |
1388 | } | |
1389 | \f | |
1390 | /* Make audible bell. */ | |
1391 | ||
96214669 GV |
1392 | static void |
1393 | w32_ring_bell (void) | |
ee78dc32 GV |
1394 | { |
1395 | BLOCK_INPUT; | |
1396 | ||
1397 | if (visible_bell) | |
8331e676 GV |
1398 | { |
1399 | int i; | |
1400 | HWND hwnd = FRAME_W32_WINDOW (selected_frame); | |
1401 | ||
1402 | for (i = 0; i < 5; i++) | |
1403 | { | |
1404 | FlashWindow (hwnd, TRUE); | |
1405 | Sleep (10); | |
1406 | } | |
1407 | FlashWindow (hwnd, FALSE); | |
1408 | } | |
ee78dc32 | 1409 | else |
fbd6baed | 1410 | w32_sys_ring_bell (); |
ee78dc32 GV |
1411 | |
1412 | UNBLOCK_INPUT; | |
ee78dc32 GV |
1413 | } |
1414 | \f | |
1415 | /* Insert and delete character. | |
1416 | These are not supposed to be used because we are supposed to turn | |
1417 | off the feature of using them. */ | |
1418 | ||
96214669 | 1419 | static void |
fbd6baed | 1420 | w32_insert_glyphs (start, len) |
96214669 | 1421 | register GLYPH *start; |
ee78dc32 GV |
1422 | register int len; |
1423 | { | |
1424 | abort (); | |
1425 | } | |
1426 | ||
96214669 | 1427 | static void |
fbd6baed | 1428 | w32_delete_glyphs (n) |
ee78dc32 GV |
1429 | register int n; |
1430 | { | |
1431 | abort (); | |
1432 | } | |
1433 | \f | |
1434 | /* Specify how many text lines, from the top of the window, | |
1435 | should be affected by insert-lines and delete-lines operations. | |
1436 | This, and those operations, are used only within an update | |
fbd6baed | 1437 | that is bounded by calls to w32_update_begin and w32_update_end. */ |
ee78dc32 | 1438 | |
96214669 | 1439 | static void |
fbd6baed | 1440 | w32_set_terminal_window (n) |
ee78dc32 GV |
1441 | register int n; |
1442 | { | |
1443 | if (updating_frame == 0) | |
1444 | abort (); | |
1445 | ||
1446 | if ((n <= 0) || (n > updating_frame->height)) | |
1447 | flexlines = updating_frame->height; | |
1448 | else | |
1449 | flexlines = n; | |
1450 | } | |
1451 | \f | |
1452 | /* These variables need not be per frame | |
1453 | because redisplay is done on a frame-by-frame basis | |
1454 | and the line dance for one frame is finished before | |
1455 | anything is done for another frame. */ | |
1456 | ||
1457 | /* Array of line numbers from cached insert/delete operations. | |
1458 | line_dance[i] is the old position of the line that we want | |
1459 | to move to line i, or -1 if we want a blank line there. */ | |
1460 | static int *line_dance; | |
1461 | ||
1462 | /* Allocated length of that array. */ | |
1463 | static int line_dance_len; | |
1464 | ||
1465 | /* Flag indicating whether we've done any work. */ | |
1466 | static int line_dance_in_progress; | |
1467 | ||
1468 | /* Perform an insert-lines or delete-lines operation, | |
1469 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
96214669 GV |
1470 | |
1471 | static void | |
fbd6baed | 1472 | w32_ins_del_lines (vpos, n) |
ee78dc32 GV |
1473 | int vpos, n; |
1474 | { | |
1475 | register int fence, i; | |
1476 | ||
1477 | if (vpos >= flexlines) | |
96214669 | 1478 | return; |
ee78dc32 GV |
1479 | |
1480 | if (!line_dance_in_progress) | |
1481 | { | |
1482 | int ht = updating_frame->height; | |
1483 | if (ht > line_dance_len) | |
1484 | { | |
1485 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1486 | line_dance_len = ht; | |
1487 | } | |
1488 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1489 | line_dance_in_progress = 1; | |
1490 | } | |
1491 | if (n >= 0) | |
1492 | { | |
1493 | if (n > flexlines - vpos) | |
1494 | n = flexlines - vpos; | |
1495 | fence = vpos + n; | |
1496 | for (i = flexlines; --i >= fence;) | |
1497 | line_dance[i] = line_dance[i-n]; | |
1498 | for (i = fence; --i >= vpos;) | |
1499 | line_dance[i] = -1; | |
1500 | } | |
1501 | else | |
1502 | { | |
1503 | n = -n; | |
1504 | if (n > flexlines - vpos) | |
1505 | n = flexlines - vpos; | |
1506 | fence = flexlines - n; | |
1507 | for (i = vpos; i < fence; ++i) | |
1508 | line_dance[i] = line_dance[i + n]; | |
1509 | for (i = fence; i < flexlines; ++i) | |
1510 | line_dance[i] = -1; | |
1511 | } | |
1512 | } | |
1513 | ||
1514 | /* Here's where we actually move the pixels around. | |
1515 | Must be called with input blocked. */ | |
1516 | static void | |
1517 | do_line_dance () | |
1518 | { | |
1519 | register int i, j, distance; | |
1520 | register struct frame *f; | |
1521 | int ht; | |
1522 | int intborder; | |
1523 | HDC hdc; | |
1524 | ||
1525 | /* Must check this flag first. If it's not set, then not only is the | |
1526 | array uninitialized, but we might not even have a frame. */ | |
1527 | if (!line_dance_in_progress) | |
1528 | return; | |
1529 | ||
1530 | f = updating_frame; | |
1531 | if (f == 0) | |
1532 | abort (); | |
1533 | ||
1534 | ht = f->height; | |
fbd6baed | 1535 | intborder = f->output_data.w32->internal_border_width; |
ee78dc32 GV |
1536 | |
1537 | x_display_cursor (updating_frame, 0); | |
1538 | ||
52cf03a1 | 1539 | hdc = get_frame_dc (f); |
ee78dc32 GV |
1540 | |
1541 | for (i = 0; i < ht; ++i) | |
1542 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1543 | { | |
1544 | for (j = i; (j < ht && line_dance[j] != -1 | |
1545 | && line_dance[j]-j == distance); ++j); | |
1546 | /* Copy [i,j) upward from [i+distance, j+distance) */ | |
1547 | BitBlt (hdc, | |
1548 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
fbd6baed GV |
1549 | f->width * FONT_WIDTH (f->output_data.w32->font), |
1550 | (j-i) * f->output_data.w32->line_height, | |
ee78dc32 GV |
1551 | hdc, |
1552 | intborder, CHAR_TO_PIXEL_ROW (f, i), | |
1553 | SRCCOPY); | |
1554 | i = j-1; | |
1555 | } | |
1556 | ||
1557 | for (i = ht; --i >=0; ) | |
1558 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1559 | { | |
1560 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
1561 | && line_dance[j]-j == distance);); | |
1562 | /* Copy (j, i] downward from (j+distance, i+distance] */ | |
1563 | BitBlt (hdc, | |
1564 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
fbd6baed GV |
1565 | f->width * FONT_WIDTH (f->output_data.w32->font), |
1566 | (i-j) * f->output_data.w32->line_height, | |
ee78dc32 GV |
1567 | hdc, |
1568 | intborder, CHAR_TO_PIXEL_ROW (f, j+1), | |
1569 | SRCCOPY); | |
1570 | i = j+1; | |
1571 | } | |
1572 | ||
ee78dc32 GV |
1573 | for (i = 0; i < ht; ++i) |
1574 | if (line_dance[i] == -1) | |
1575 | { | |
1576 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1577 | /* Clear [i,j) */ | |
689004fa | 1578 | w32_clear_area (f, hdc, |
ee78dc32 GV |
1579 | intborder, |
1580 | CHAR_TO_PIXEL_ROW (f, i), | |
fbd6baed GV |
1581 | f->width * FONT_WIDTH (f->output_data.w32->font), |
1582 | (j-i) * f->output_data.w32->line_height); | |
ee78dc32 GV |
1583 | i = j-1; |
1584 | } | |
1585 | line_dance_in_progress = 0; | |
689004fa GV |
1586 | |
1587 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
1588 | } |
1589 | \f | |
1590 | /* Support routines for exposure events. */ | |
1591 | static void clear_cursor (); | |
1592 | ||
1593 | /* Output into a rectangle of a window (for frame F) | |
1594 | the characters in f->phys_lines that overlap that rectangle. | |
1595 | TOP and LEFT are the position of the upper left corner of the rectangle. | |
1596 | ROWS and COLS are the size of the rectangle. | |
1597 | Call this function with input blocked. */ | |
1598 | ||
1599 | void | |
1600 | dumprectangle (f, left, top, cols, rows) | |
1601 | struct frame *f; | |
1602 | register int left, top, cols, rows; | |
1603 | { | |
1604 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); | |
1605 | int cursor_cleared = 0; | |
1606 | int bottom, right; | |
1607 | register int y; | |
1608 | ||
1609 | if (FRAME_GARBAGED_P (f)) | |
1610 | return; | |
1611 | ||
1612 | /* Express rectangle as four edges, instead of position-and-size. */ | |
1613 | bottom = top + rows; | |
1614 | right = left + cols; | |
1615 | ||
1616 | /* Convert rectangle edges in pixels to edges in chars. | |
1617 | Round down for left and top, up for right and bottom. */ | |
1618 | top = PIXEL_TO_CHAR_ROW (f, top); | |
1619 | left = PIXEL_TO_CHAR_COL (f, left); | |
fbd6baed GV |
1620 | bottom += (f->output_data.w32->line_height - 1); |
1621 | right += (FONT_WIDTH (f->output_data.w32->font) - 1); | |
ee78dc32 GV |
1622 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1623 | right = PIXEL_TO_CHAR_COL (f, right); | |
1624 | ||
1625 | /* Clip the rectangle to what can be visible. */ | |
1626 | if (left < 0) | |
1627 | left = 0; | |
1628 | if (top < 0) | |
1629 | top = 0; | |
1630 | if (right > f->width) | |
1631 | right = f->width; | |
1632 | if (bottom > f->height) | |
1633 | bottom = f->height; | |
1634 | ||
1635 | /* Get size in chars of the rectangle. */ | |
1636 | cols = right - left; | |
1637 | rows = bottom - top; | |
1638 | ||
1639 | /* If rectangle has zero area, return. */ | |
1640 | if (rows <= 0) return; | |
1641 | if (cols <= 0) return; | |
1642 | ||
1643 | /* Turn off the cursor if it is in the rectangle. | |
1644 | We will turn it back on afterward. */ | |
1645 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) | |
1646 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
1647 | { | |
1648 | clear_cursor (f); | |
1649 | cursor_cleared = 1; | |
1650 | } | |
1651 | ||
1652 | /* Display the text in the rectangle, one text line at a time. */ | |
1653 | ||
1654 | for (y = top; y < bottom; y++) | |
1655 | { | |
1656 | GLYPH *line = &active_frame->glyphs[y][left]; | |
1657 | ||
1658 | if (! active_frame->enable[y] || left > active_frame->used[y]) | |
1659 | continue; | |
1660 | ||
1661 | dumpglyphs (f, | |
1662 | CHAR_TO_PIXEL_COL (f, left), | |
1663 | CHAR_TO_PIXEL_ROW (f, y), | |
1664 | line, min (cols, active_frame->used[y] - left), | |
ef0e360f | 1665 | active_frame->highlight[y], 0, NULL); |
ee78dc32 GV |
1666 | } |
1667 | ||
1668 | /* Turn the cursor on if we turned it off. */ | |
1669 | ||
1670 | if (cursor_cleared) | |
1671 | x_display_cursor (f, 1); | |
1672 | } | |
1673 | \f | |
1674 | static void | |
1675 | frame_highlight (f) | |
1676 | struct frame *f; | |
1677 | { | |
1678 | x_display_cursor (f, 1); | |
1679 | } | |
1680 | ||
1681 | static void | |
1682 | frame_unhighlight (f) | |
1683 | struct frame *f; | |
1684 | { | |
1685 | x_display_cursor (f, 1); | |
1686 | } | |
1687 | ||
ee78dc32 GV |
1688 | static void x_frame_rehighlight (); |
1689 | ||
1690 | /* The focus has changed. Update the frames as necessary to reflect | |
1691 | the new situation. Note that we can't change the selected frame | |
1692 | here, because the Lisp code we are interrupting might become confused. | |
1693 | Each event gets marked with the frame in which it occurred, so the | |
1694 | Lisp code can tell when the switch took place by examining the events. */ | |
1695 | ||
1696 | void | |
1697 | x_new_focus_frame (dpyinfo, frame) | |
fbd6baed | 1698 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
1699 | struct frame *frame; |
1700 | { | |
fbd6baed | 1701 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
ee78dc32 GV |
1702 | int events_enqueued = 0; |
1703 | ||
fbd6baed | 1704 | if (frame != dpyinfo->w32_focus_frame) |
ee78dc32 GV |
1705 | { |
1706 | /* Set this before calling other routines, so that they see | |
fbd6baed GV |
1707 | the correct value of w32_focus_frame. */ |
1708 | dpyinfo->w32_focus_frame = frame; | |
ee78dc32 GV |
1709 | |
1710 | if (old_focus && old_focus->auto_lower) | |
1711 | x_lower_frame (old_focus); | |
1712 | ||
fbd6baed GV |
1713 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
1714 | pending_autoraise_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
1715 | else |
1716 | pending_autoraise_frame = 0; | |
1717 | } | |
1718 | ||
1719 | x_frame_rehighlight (dpyinfo); | |
1720 | } | |
1721 | ||
1722 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
1723 | ||
1724 | void | |
1725 | x_mouse_leave (dpyinfo) | |
fbd6baed | 1726 | struct w32_display_info *dpyinfo; |
ee78dc32 | 1727 | { |
fbd6baed | 1728 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
ee78dc32 GV |
1729 | } |
1730 | ||
1731 | /* The focus has changed, or we have redirected a frame's focus to | |
1732 | another frame (this happens when a frame uses a surrogate | |
1733 | minibuffer frame). Shift the highlight as appropriate. | |
1734 | ||
1735 | The FRAME argument doesn't necessarily have anything to do with which | |
1736 | frame is being highlighted or unhighlighted; we only use it to find | |
1737 | the appropriate display info. */ | |
1738 | static void | |
fbd6baed | 1739 | w32_frame_rehighlight (frame) |
ee78dc32 GV |
1740 | struct frame *frame; |
1741 | { | |
fbd6baed | 1742 | x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame)); |
ee78dc32 GV |
1743 | } |
1744 | ||
1745 | static void | |
1746 | x_frame_rehighlight (dpyinfo) | |
fbd6baed | 1747 | struct w32_display_info *dpyinfo; |
ee78dc32 | 1748 | { |
fbd6baed | 1749 | struct frame *old_highlight = dpyinfo->w32_highlight_frame; |
ee78dc32 | 1750 | |
fbd6baed | 1751 | if (dpyinfo->w32_focus_frame) |
ee78dc32 | 1752 | { |
fbd6baed GV |
1753 | dpyinfo->w32_highlight_frame |
1754 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) | |
1755 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) | |
1756 | : dpyinfo->w32_focus_frame); | |
1757 | if (! FRAME_LIVE_P (dpyinfo->w32_highlight_frame)) | |
ee78dc32 | 1758 | { |
fbd6baed GV |
1759 | FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame) = Qnil; |
1760 | dpyinfo->w32_highlight_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
1761 | } |
1762 | } | |
1763 | else | |
fbd6baed | 1764 | dpyinfo->w32_highlight_frame = 0; |
ee78dc32 | 1765 | |
fbd6baed | 1766 | if (dpyinfo->w32_highlight_frame != old_highlight) |
ee78dc32 GV |
1767 | { |
1768 | if (old_highlight) | |
1769 | frame_unhighlight (old_highlight); | |
fbd6baed GV |
1770 | if (dpyinfo->w32_highlight_frame) |
1771 | frame_highlight (dpyinfo->w32_highlight_frame); | |
ee78dc32 GV |
1772 | } |
1773 | } | |
1774 | \f | |
1775 | /* Keyboard processing - modifier keys, etc. */ | |
1776 | ||
1777 | /* Convert a keysym to its name. */ | |
1778 | ||
1779 | char * | |
1780 | x_get_keysym_name (keysym) | |
1781 | int keysym; | |
1782 | { | |
1783 | /* Make static so we can always return it */ | |
1784 | static char value[100]; | |
1785 | ||
1786 | BLOCK_INPUT; | |
1787 | GetKeyNameText(keysym, value, 100); | |
1788 | UNBLOCK_INPUT; | |
1789 | ||
1790 | return value; | |
1791 | } | |
1792 | \f | |
1793 | /* Mouse clicks and mouse movement. Rah. */ | |
1794 | ||
1795 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1796 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
1797 | that the glyph at X, Y occupies, if BOUNDS != 0. | |
1798 | If NOCLIP is nonzero, do not force the value into range. */ | |
1799 | ||
1800 | void | |
1801 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1802 | FRAME_PTR f; | |
1803 | register int pix_x, pix_y; | |
1804 | register int *x, *y; | |
1805 | RECT *bounds; | |
1806 | int noclip; | |
1807 | { | |
52cf03a1 GV |
1808 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1809 | if (NILP (Vwindow_system)) | |
1810 | { | |
1811 | *x = pix_x; | |
1812 | *y = pix_y; | |
1813 | return; | |
1814 | } | |
1815 | ||
ee78dc32 GV |
1816 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1817 | even for negative values. */ | |
1818 | if (pix_x < 0) | |
fbd6baed | 1819 | pix_x -= FONT_WIDTH ((f)->output_data.w32->font) - 1; |
ee78dc32 | 1820 | if (pix_y < 0) |
fbd6baed | 1821 | pix_y -= (f)->output_data.w32->line_height - 1; |
ee78dc32 GV |
1822 | |
1823 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
1824 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1825 | ||
1826 | if (bounds) | |
1827 | { | |
1828 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
1829 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
fbd6baed GV |
1830 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.w32->font) - 1; |
1831 | bounds->bottom = bounds->top + f->output_data.w32->line_height - 1; | |
ee78dc32 GV |
1832 | } |
1833 | ||
1834 | if (!noclip) | |
1835 | { | |
1836 | if (pix_x < 0) | |
1837 | pix_x = 0; | |
1838 | else if (pix_x > f->width) | |
1839 | pix_x = f->width; | |
1840 | ||
1841 | if (pix_y < 0) | |
1842 | pix_y = 0; | |
1843 | else if (pix_y > f->height) | |
1844 | pix_y = f->height; | |
1845 | } | |
1846 | ||
1847 | *x = pix_x; | |
1848 | *y = pix_y; | |
1849 | } | |
1850 | ||
1851 | void | |
1852 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1853 | FRAME_PTR f; | |
1854 | register int x, y; | |
1855 | register int *pix_x, *pix_y; | |
1856 | { | |
52cf03a1 GV |
1857 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
1858 | if (NILP (Vwindow_system)) | |
1859 | { | |
1860 | *pix_x = x; | |
1861 | *pix_y = y; | |
1862 | return; | |
1863 | } | |
1864 | ||
ee78dc32 GV |
1865 | *pix_x = CHAR_TO_PIXEL_COL (f, x); |
1866 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1867 | } | |
1868 | ||
1869 | BOOL | |
1870 | parse_button (message, pbutton, pup) | |
1871 | int message; | |
1872 | int * pbutton; | |
1873 | int * pup; | |
1874 | { | |
1875 | int button = 0; | |
1876 | int up = 0; | |
1877 | ||
1878 | switch (message) | |
1879 | { | |
1880 | case WM_LBUTTONDOWN: | |
1881 | button = 0; | |
1882 | up = 0; | |
1883 | break; | |
1884 | case WM_LBUTTONUP: | |
1885 | button = 0; | |
1886 | up = 1; | |
1887 | break; | |
1888 | case WM_MBUTTONDOWN: | |
fbd6baed | 1889 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1890 | button = 1; |
1891 | else | |
1892 | button = 2; | |
ee78dc32 GV |
1893 | up = 0; |
1894 | break; | |
1895 | case WM_MBUTTONUP: | |
fbd6baed | 1896 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1897 | button = 1; |
1898 | else | |
1899 | button = 2; | |
ee78dc32 GV |
1900 | up = 1; |
1901 | break; | |
1902 | case WM_RBUTTONDOWN: | |
fbd6baed | 1903 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1904 | button = 2; |
1905 | else | |
1906 | button = 1; | |
ee78dc32 GV |
1907 | up = 0; |
1908 | break; | |
1909 | case WM_RBUTTONUP: | |
fbd6baed | 1910 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
1911 | button = 2; |
1912 | else | |
1913 | button = 1; | |
ee78dc32 GV |
1914 | up = 1; |
1915 | break; | |
1916 | default: | |
1917 | return (FALSE); | |
1918 | } | |
1919 | ||
1920 | if (pup) *pup = up; | |
1921 | if (pbutton) *pbutton = button; | |
1922 | ||
1923 | return (TRUE); | |
1924 | } | |
1925 | ||
1926 | ||
1927 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
1928 | ||
1929 | If the event is a button press, then note that we have grabbed | |
1930 | the mouse. */ | |
1931 | ||
1932 | static void | |
1933 | construct_mouse_click (result, msg, f) | |
1934 | struct input_event *result; | |
fbd6baed | 1935 | W32Msg *msg; |
ee78dc32 GV |
1936 | struct frame *f; |
1937 | { | |
1938 | int button; | |
1939 | int up; | |
1940 | ||
1941 | parse_button (msg->msg.message, &button, &up); | |
1942 | ||
1943 | /* Make the event type no_event; we'll change that when we decide | |
1944 | otherwise. */ | |
1945 | result->kind = mouse_click; | |
1946 | result->code = button; | |
1947 | result->timestamp = msg->msg.time; | |
1948 | result->modifiers = (msg->dwModifiers | |
1949 | | (up | |
1950 | ? up_modifier | |
1951 | : down_modifier)); | |
1952 | ||
1953 | { | |
1954 | int row, column; | |
1955 | ||
1956 | XSETINT (result->x, LOWORD (msg->msg.lParam)); | |
1957 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
1958 | XSETFRAME (result->frame_or_window, f); | |
1959 | } | |
1960 | } | |
1961 | ||
689004fa GV |
1962 | static void |
1963 | construct_mouse_wheel (result, msg, f) | |
1964 | struct input_event *result; | |
1965 | W32Msg *msg; | |
1966 | struct frame *f; | |
1967 | { | |
1968 | POINT p; | |
1969 | result->kind = mouse_wheel; | |
1970 | result->code = (short) HIWORD (msg->msg.wParam); | |
1971 | result->timestamp = msg->msg.time; | |
1972 | result->modifiers = msg->dwModifiers; | |
1973 | p.x = LOWORD (msg->msg.lParam); | |
1974 | p.y = HIWORD (msg->msg.lParam); | |
1975 | ScreenToClient(msg->msg.hwnd, &p); | |
1976 | XSETINT (result->x, p.x); | |
1977 | XSETINT (result->y, p.y); | |
1978 | XSETFRAME (result->frame_or_window, f); | |
1979 | } | |
1980 | ||
12857dfd RS |
1981 | static void |
1982 | construct_drag_n_drop (result, msg, f) | |
1983 | struct input_event *result; | |
1984 | W32Msg *msg; | |
1985 | struct frame *f; | |
1986 | { | |
1987 | Lisp_Object files; | |
1988 | Lisp_Object frame; | |
1989 | HDROP hdrop; | |
1990 | POINT p; | |
1991 | WORD num_files; | |
1992 | char *name; | |
1993 | int i, len; | |
1994 | ||
1995 | result->kind = drag_n_drop; | |
1996 | result->code = 0; | |
1997 | result->timestamp = msg->msg.time; | |
1998 | result->modifiers = msg->dwModifiers; | |
1999 | ||
2000 | p.x = LOWORD (msg->msg.lParam); | |
2001 | p.y = HIWORD (msg->msg.lParam); | |
2002 | ScreenToClient (msg->msg.hwnd, &p); | |
2003 | XSETINT (result->x, p.x); | |
2004 | XSETINT (result->y, p.y); | |
2005 | ||
2006 | hdrop = (HDROP) msg->msg.wParam; | |
2007 | DragQueryPoint (hdrop, &p); | |
2008 | num_files = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0); | |
2009 | files = Qnil; | |
2010 | ||
2011 | for (i = 0; i < num_files; i++) | |
2012 | { | |
2013 | len = DragQueryFile (hdrop, i, NULL, 0); | |
2014 | if (len <= 0) | |
2015 | continue; | |
2016 | name = alloca (len + 1); | |
2017 | DragQueryFile (hdrop, i, name, len + 1); | |
2018 | files = Fcons (build_string (name), files); | |
2019 | } | |
2020 | ||
2021 | DragFinish (hdrop); | |
2022 | ||
2023 | XSETFRAME (frame, f); | |
2024 | result->frame_or_window = Fcons (frame, files); | |
2025 | } | |
2026 | ||
ee78dc32 GV |
2027 | \f |
2028 | /* Function to report a mouse movement to the mainstream Emacs code. | |
2029 | The input handler calls this. | |
2030 | ||
2031 | We have received a mouse movement event, which is given in *event. | |
2032 | If the mouse is over a different glyph than it was last time, tell | |
2033 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2034 | another motion event, so we can check again the next time it moves. */ | |
2035 | ||
2036 | static void | |
2037 | note_mouse_movement (frame, msg) | |
2038 | FRAME_PTR frame; | |
2039 | MSG *msg; | |
2040 | { | |
2041 | last_mouse_movement_time = msg->time; | |
2042 | ||
fbd6baed | 2043 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
ee78dc32 GV |
2044 | { |
2045 | frame->mouse_moved = 1; | |
2046 | last_mouse_scroll_bar = Qnil; | |
2047 | ||
2048 | note_mouse_highlight (frame, -1, -1); | |
2049 | } | |
2050 | ||
2051 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2052 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left | |
2053 | || LOWORD (msg->lParam) > last_mouse_glyph.right | |
9bf7b6aa | 2054 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
ee78dc32 GV |
2055 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
2056 | { | |
2057 | frame->mouse_moved = 1; | |
2058 | last_mouse_scroll_bar = Qnil; | |
2059 | ||
2060 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); | |
2061 | } | |
2062 | } | |
2063 | ||
2064 | /* This is used for debugging, to turn off note_mouse_highlight. */ | |
2065 | static int disable_mouse_highlight; | |
2066 | ||
2067 | /* Take proper action when the mouse has moved to position X, Y on frame F | |
2068 | as regards highlighting characters that have mouse-face properties. | |
2069 | Also dehighlighting chars where the mouse was before. | |
2070 | X and Y can be negative or out of range. */ | |
2071 | ||
2072 | static void | |
2073 | note_mouse_highlight (f, x, y) | |
2074 | FRAME_PTR f; | |
2075 | int x, y; | |
2076 | { | |
2077 | int row, column, portion; | |
2078 | RECT new_glyph; | |
2079 | Lisp_Object window; | |
2080 | struct window *w; | |
2081 | ||
2082 | if (disable_mouse_highlight) | |
2083 | return; | |
2084 | ||
fbd6baed GV |
2085 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
2086 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
2087 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
ee78dc32 | 2088 | |
fbd6baed | 2089 | if (FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer) |
ee78dc32 GV |
2090 | return; |
2091 | ||
2092 | if (gc_in_progress) | |
2093 | { | |
fbd6baed | 2094 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
ee78dc32 GV |
2095 | return; |
2096 | } | |
2097 | ||
2098 | /* Find out which glyph the mouse is on. */ | |
2099 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
fbd6baed | 2100 | &new_glyph, FRAME_W32_DISPLAY_INFO (f)->grabbed); |
ee78dc32 GV |
2101 | |
2102 | /* Which window is that in? */ | |
2103 | window = window_from_coordinates (f, column, row, &portion); | |
2104 | w = XWINDOW (window); | |
2105 | ||
2106 | /* If we were displaying active text in another window, clear that. */ | |
fbd6baed GV |
2107 | if (! EQ (window, FRAME_W32_DISPLAY_INFO (f)->mouse_face_window)) |
2108 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); | |
ee78dc32 GV |
2109 | |
2110 | /* Are we in a window whose display is up to date? | |
2111 | And verify the buffer's text has not changed. */ | |
2112 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 | |
2113 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
2114 | && EQ (w->window_end_valid, w->buffer) | |
bade65fd RS |
2115 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer)) |
2116 | && w->last_overlay_modified == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))) | |
ee78dc32 GV |
2117 | { |
2118 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2119 | int i, pos; | |
2120 | ||
2121 | /* Find which buffer position the mouse corresponds to. */ | |
2122 | for (i = column; i >= 0; i--) | |
2123 | if (ptr[i] > 0) | |
2124 | break; | |
2125 | pos = ptr[i]; | |
2126 | /* Is it outside the displayed active region (if any)? */ | |
2127 | if (pos <= 0) | |
fbd6baed GV |
2128 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
2129 | else if (! (EQ (window, FRAME_W32_DISPLAY_INFO (f)->mouse_face_window) | |
2130 | && row >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2131 | && row <= FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
2132 | && (row > FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row | |
2133 | || column >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col) | |
2134 | && (row < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
2135 | || column < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col | |
2136 | || FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end))) | |
ee78dc32 GV |
2137 | { |
2138 | Lisp_Object mouse_face, overlay, position; | |
2139 | Lisp_Object *overlay_vec; | |
2140 | int len, noverlays, ignor1; | |
2141 | struct buffer *obuf; | |
2142 | int obegv, ozv; | |
2143 | ||
2144 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2145 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
2146 | return; | |
2147 | ||
2148 | /* Make the window's buffer temporarily current for | |
2149 | overlays_at and compute_char_face. */ | |
2150 | obuf = current_buffer; | |
2151 | current_buffer = XBUFFER (w->buffer); | |
2152 | obegv = BEGV; | |
2153 | ozv = ZV; | |
2154 | BEGV = BEG; | |
2155 | ZV = Z; | |
2156 | ||
2157 | /* Yes. Clear the display of the old active region, if any. */ | |
fbd6baed | 2158 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
ee78dc32 GV |
2159 | |
2160 | /* Is this char mouse-active? */ | |
2161 | XSETINT (position, pos); | |
2162 | ||
2163 | len = 10; | |
2164 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2165 | ||
2166 | /* Put all the overlays we want in a vector in overlay_vec. | |
2167 | Store the length in len. */ | |
2168 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, | |
2169 | NULL, NULL); | |
2170 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2171 | ||
2172 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2173 | overlay = Qnil; | |
2174 | for (i = 0; i < noverlays; i++) | |
2175 | { | |
2176 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2177 | if (!NILP (mouse_face)) | |
2178 | { | |
2179 | overlay = overlay_vec[i]; | |
2180 | break; | |
2181 | } | |
2182 | } | |
2183 | free (overlay_vec); | |
2184 | /* If no overlay applies, get a text property. */ | |
2185 | if (NILP (overlay)) | |
2186 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2187 | ||
2188 | /* Handle the overlay case. */ | |
2189 | if (! NILP (overlay)) | |
2190 | { | |
2191 | /* Find the range of text around this char that | |
2192 | should be active. */ | |
2193 | Lisp_Object before, after; | |
2194 | int ignore; | |
2195 | ||
2196 | before = Foverlay_start (overlay); | |
2197 | after = Foverlay_end (overlay); | |
2198 | /* Record this as the current active region. */ | |
2199 | fast_find_position (window, before, | |
fbd6baed GV |
2200 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col, |
2201 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2202 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end | |
ee78dc32 | 2203 | = !fast_find_position (window, after, |
fbd6baed GV |
2204 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col, |
2205 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row); | |
2206 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = window; | |
2207 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id | |
ee78dc32 GV |
2208 | = compute_char_face (f, w, pos, 0, 0, |
2209 | &ignore, pos + 1, 1); | |
2210 | ||
2211 | /* Display it as active. */ | |
fbd6baed | 2212 | show_mouse_face (FRAME_W32_DISPLAY_INFO (f), 1); |
ee78dc32 GV |
2213 | } |
2214 | /* Handle the text property case. */ | |
2215 | else if (! NILP (mouse_face)) | |
2216 | { | |
2217 | /* Find the range of text around this char that | |
2218 | should be active. */ | |
2219 | Lisp_Object before, after, beginning, end; | |
2220 | int ignore; | |
2221 | ||
2222 | beginning = Fmarker_position (w->start); | |
2223 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
2224 | - XFASTINT (w->window_end_pos))); | |
2225 | before | |
2226 | = Fprevious_single_property_change (make_number (pos + 1), | |
2227 | Qmouse_face, | |
2228 | w->buffer, beginning); | |
2229 | after | |
2230 | = Fnext_single_property_change (position, Qmouse_face, | |
2231 | w->buffer, end); | |
2232 | /* Record this as the current active region. */ | |
2233 | fast_find_position (window, before, | |
fbd6baed GV |
2234 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col, |
2235 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2236 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end | |
ee78dc32 | 2237 | = !fast_find_position (window, after, |
fbd6baed GV |
2238 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col, |
2239 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row); | |
2240 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = window; | |
2241 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id | |
ee78dc32 GV |
2242 | = compute_char_face (f, w, pos, 0, 0, |
2243 | &ignore, pos + 1, 1); | |
2244 | ||
2245 | /* Display it as active. */ | |
fbd6baed | 2246 | show_mouse_face (FRAME_W32_DISPLAY_INFO (f), 1); |
ee78dc32 GV |
2247 | } |
2248 | BEGV = obegv; | |
2249 | ZV = ozv; | |
2250 | current_buffer = obuf; | |
2251 | } | |
2252 | } | |
2253 | } | |
2254 | \f | |
2255 | /* Find the row and column of position POS in window WINDOW. | |
2256 | Store them in *COLUMNP and *ROWP. | |
2257 | This assumes display in WINDOW is up to date. | |
2258 | If POS is above start of WINDOW, return coords | |
2259 | of start of first screen line. | |
2260 | If POS is after end of WINDOW, return coords of end of last screen line. | |
2261 | ||
2262 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
2263 | ||
2264 | static int | |
2265 | fast_find_position (window, pos, columnp, rowp) | |
2266 | Lisp_Object window; | |
2267 | int pos; | |
2268 | int *columnp, *rowp; | |
2269 | { | |
2270 | struct window *w = XWINDOW (window); | |
2271 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2272 | int i; | |
2273 | int row = 0; | |
03218728 | 2274 | int left = WINDOW_LEFT_MARGIN (w); |
ee78dc32 GV |
2275 | int top = w->top; |
2276 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2277 | int width = window_internal_width (w); | |
2278 | int *charstarts; | |
2279 | int lastcol; | |
2280 | int maybe_next_line = 0; | |
2281 | ||
2282 | /* Find the right row. */ | |
2283 | for (i = 0; | |
2284 | i < height; | |
2285 | i++) | |
2286 | { | |
2287 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2288 | if (linestart > pos) | |
2289 | break; | |
2290 | /* If the position sought is the end of the buffer, | |
2291 | don't include the blank lines at the bottom of the window. */ | |
2292 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2293 | { | |
2294 | maybe_next_line = 1; | |
2295 | break; | |
2296 | } | |
2297 | if (linestart > 0) | |
2298 | row = i; | |
2299 | } | |
2300 | ||
2301 | /* Find the right column with in it. */ | |
2302 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
2303 | lastcol = left; | |
2304 | for (i = 0; i < width; i++) | |
2305 | { | |
2306 | if (charstarts[left + i] == pos) | |
2307 | { | |
2308 | *rowp = row + top; | |
2309 | *columnp = i + left; | |
2310 | return 1; | |
2311 | } | |
2312 | else if (charstarts[left + i] > pos) | |
2313 | break; | |
2314 | else if (charstarts[left + i] > 0) | |
2315 | lastcol = left + i; | |
2316 | } | |
2317 | ||
2318 | /* If we're looking for the end of the buffer, | |
2319 | and we didn't find it in the line we scanned, | |
2320 | use the start of the following line. */ | |
2321 | if (maybe_next_line) | |
2322 | { | |
2323 | row++; | |
2324 | i = 0; | |
2325 | } | |
2326 | ||
2327 | *rowp = row + top; | |
2328 | *columnp = lastcol; | |
2329 | return 0; | |
2330 | } | |
2331 | ||
2332 | /* Display the active region described by mouse_face_* | |
2333 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2334 | ||
2335 | static void | |
2336 | show_mouse_face (dpyinfo, hl) | |
fbd6baed | 2337 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
2338 | int hl; |
2339 | { | |
2340 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
2341 | int width = window_internal_width (w); | |
2342 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2343 | int i; | |
2344 | int cursor_off = 0; | |
2345 | int old_curs_x = curs_x; | |
2346 | int old_curs_y = curs_y; | |
2347 | ||
2348 | /* Set these variables temporarily | |
2349 | so that if we have to turn the cursor off and on again | |
2350 | we will put it back at the same place. */ | |
2351 | curs_x = f->phys_cursor_x; | |
2352 | curs_y = f->phys_cursor_y; | |
2353 | ||
fbd6baed GV |
2354 | for (i = FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row; |
2355 | i <= FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
ee78dc32 | 2356 | { |
fbd6baed GV |
2357 | int column = (i == FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
2358 | ? FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col | |
03218728 | 2359 | : WINDOW_LEFT_MARGIN (w)); |
fbd6baed GV |
2360 | int endcolumn = (i == FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
2361 | ? FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col | |
03218728 | 2362 | : WINDOW_LEFT_MARGIN (w) + width); |
ee78dc32 GV |
2363 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
2364 | ||
2365 | /* If the cursor's in the text we are about to rewrite, | |
2366 | turn the cursor off. */ | |
2367 | if (i == curs_y | |
689004fa GV |
2368 | && curs_x >= column - 1 |
2369 | && curs_x <= endcolumn) | |
ee78dc32 GV |
2370 | { |
2371 | x_display_cursor (f, 0); | |
2372 | cursor_off = 1; | |
2373 | } | |
2374 | ||
2375 | dumpglyphs (f, | |
2376 | CHAR_TO_PIXEL_COL (f, column), | |
2377 | CHAR_TO_PIXEL_ROW (f, i), | |
2378 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2379 | endcolumn - column, | |
2380 | /* Highlight with mouse face if hl > 0. */ | |
ef0e360f | 2381 | hl > 0 ? 3 : 0, 0, NULL); |
ee78dc32 GV |
2382 | } |
2383 | ||
2384 | /* If we turned the cursor off, turn it back on. */ | |
2385 | if (cursor_off) | |
2386 | x_display_cursor (f, 1); | |
2387 | ||
2388 | curs_x = old_curs_x; | |
2389 | curs_y = old_curs_y; | |
2390 | ||
2391 | /* Change the mouse cursor according to the value of HL. */ | |
2392 | if (hl > 0) | |
fbd6baed | 2393 | SetCursor (f->output_data.w32->cross_cursor); |
ee78dc32 | 2394 | else |
fbd6baed | 2395 | SetCursor (f->output_data.w32->text_cursor); |
ee78dc32 GV |
2396 | } |
2397 | ||
2398 | /* Clear out the mouse-highlighted active region. | |
2399 | Redraw it unhighlighted first. */ | |
2400 | ||
2401 | static void | |
2402 | clear_mouse_face (dpyinfo) | |
fbd6baed | 2403 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
2404 | { |
2405 | if (! NILP (dpyinfo->mouse_face_window)) | |
2406 | show_mouse_face (dpyinfo, 0); | |
2407 | ||
2408 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
2409 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2410 | dpyinfo->mouse_face_window = Qnil; | |
2411 | } | |
2412 | \f | |
2413 | struct scroll_bar *x_window_to_scroll_bar (); | |
2414 | static void x_scroll_bar_report_motion (); | |
2415 | ||
2416 | /* Return the current position of the mouse. | |
2417 | *fp should be a frame which indicates which display to ask about. | |
2418 | ||
2419 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
2420 | and *part to the frame, window, and scroll bar part that the mouse | |
2421 | is over. Set *x and *y to the portion and whole of the mouse's | |
2422 | position on the scroll bar. | |
2423 | ||
2424 | If the mouse movement started elsewhere, set *fp to the frame the | |
2425 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2426 | the mouse is over. | |
2427 | ||
2428 | Set *time to the server timestamp for the time at which the mouse | |
2429 | was at this position. | |
2430 | ||
2431 | Don't store anything if we don't have a valid set of values to report. | |
2432 | ||
2433 | This clears the mouse_moved flag, so we can wait for the next mouse | |
2434 | movement. This also calls XQueryPointer, which will cause the | |
2435 | server to give us another MotionNotify when the mouse moves | |
2436 | again. */ | |
2437 | ||
2438 | static void | |
fbd6baed | 2439 | w32_mouse_position (fp, insist, bar_window, part, x, y, time) |
ee78dc32 GV |
2440 | FRAME_PTR *fp; |
2441 | int insist; | |
2442 | Lisp_Object *bar_window; | |
2443 | enum scroll_bar_part *part; | |
2444 | Lisp_Object *x, *y; | |
2445 | unsigned long *time; | |
2446 | { | |
2447 | FRAME_PTR f1; | |
2448 | ||
2449 | BLOCK_INPUT; | |
2450 | ||
95fa970d | 2451 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
689004fa | 2452 | /* This is never called at the moment. */ |
ee78dc32 GV |
2453 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
2454 | else | |
2455 | { | |
2456 | POINT pt; | |
2457 | ||
2458 | Lisp_Object frame, tail; | |
2459 | ||
2460 | /* Clear the mouse-moved flag for every frame on this display. */ | |
2461 | FOR_EACH_FRAME (tail, frame) | |
2462 | XFRAME (frame)->mouse_moved = 0; | |
2463 | ||
2464 | last_mouse_scroll_bar = Qnil; | |
2465 | ||
2466 | GetCursorPos (&pt); | |
2467 | ||
2468 | /* Now we have a position on the root; find the innermost window | |
2469 | containing the pointer. */ | |
2470 | { | |
fbd6baed | 2471 | if (FRAME_W32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
ee78dc32 GV |
2472 | && FRAME_LIVE_P (last_mouse_frame)) |
2473 | { | |
2474 | f1 = last_mouse_frame; | |
2475 | } | |
2476 | else | |
2477 | { | |
2478 | /* Is win one of our frames? */ | |
fbd6baed | 2479 | f1 = x_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); |
ee78dc32 GV |
2480 | } |
2481 | ||
2482 | /* If not, is it one of our scroll bars? */ | |
2483 | if (! f1) | |
2484 | { | |
2485 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); | |
2486 | ||
2487 | if (bar) | |
2488 | { | |
2489 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2490 | } | |
2491 | } | |
2492 | ||
95fa970d | 2493 | if (f1 == 0 && insist > 0) |
ee78dc32 GV |
2494 | f1 = selected_frame; |
2495 | ||
2496 | if (f1) | |
2497 | { | |
2498 | int ignore1, ignore2; | |
2499 | ||
fbd6baed | 2500 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
ee78dc32 GV |
2501 | |
2502 | /* Ok, we found a frame. Store all the values. */ | |
2503 | ||
2504 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, | |
2505 | &last_mouse_glyph, | |
fbd6baed | 2506 | FRAME_W32_DISPLAY_INFO (f1)->grabbed |
ee78dc32 GV |
2507 | || insist); |
2508 | ||
2509 | *bar_window = Qnil; | |
2510 | *part = 0; | |
2511 | *fp = f1; | |
2512 | XSETINT (*x, pt.x); | |
2513 | XSETINT (*y, pt.y); | |
2514 | *time = last_mouse_movement_time; | |
2515 | } | |
2516 | } | |
2517 | } | |
2518 | ||
2519 | UNBLOCK_INPUT; | |
2520 | } | |
2521 | \f | |
2522 | /* Scroll bar support. */ | |
2523 | ||
2524 | /* Given an window ID, find the struct scroll_bar which manages it. | |
2525 | This can be called in GC, so we have to make sure to strip off mark | |
2526 | bits. */ | |
2527 | struct scroll_bar * | |
2528 | x_window_to_scroll_bar (window_id) | |
2529 | Window window_id; | |
2530 | { | |
2531 | Lisp_Object tail, frame; | |
2532 | ||
2533 | for (tail = Vframe_list; | |
2534 | XGCTYPE (tail) == Lisp_Cons; | |
2535 | tail = XCONS (tail)->cdr) | |
2536 | { | |
2537 | Lisp_Object frame, bar, condemned; | |
2538 | ||
2539 | frame = XCONS (tail)->car; | |
2540 | /* All elements of Vframe_list should be frames. */ | |
2541 | if (! GC_FRAMEP (frame)) | |
2542 | abort (); | |
2543 | ||
2544 | /* Scan this frame's scroll bar list for a scroll bar with the | |
2545 | right window ID. */ | |
2546 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
2547 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
2548 | /* This trick allows us to search both the ordinary and | |
2549 | condemned scroll bar lists with one loop. */ | |
2550 | ! GC_NILP (bar) || (bar = condemned, | |
2551 | condemned = Qnil, | |
2552 | ! GC_NILP (bar)); | |
2553 | bar = XSCROLL_BAR (bar)->next) | |
fbd6baed | 2554 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
ee78dc32 GV |
2555 | return XSCROLL_BAR (bar); |
2556 | } | |
2557 | ||
2558 | return 0; | |
2559 | } | |
2560 | ||
2561 | HWND | |
2562 | my_create_scrollbar (f, bar) | |
2563 | struct frame * f; | |
2564 | struct scroll_bar * bar; | |
2565 | { | |
689004fa GV |
2566 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
2567 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
2568 | (LPARAM) bar); | |
ee78dc32 GV |
2569 | } |
2570 | ||
52cf03a1 GV |
2571 | //#define ATTACH_THREADS |
2572 | ||
689004fa GV |
2573 | BOOL |
2574 | my_show_window (FRAME_PTR f, HWND hwnd, int how) | |
52cf03a1 GV |
2575 | { |
2576 | #ifndef ATTACH_THREADS | |
689004fa GV |
2577 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
2578 | (WPARAM) hwnd, (LPARAM) how); | |
52cf03a1 | 2579 | #else |
689004fa | 2580 | return ShowWindow (hwnd, how); |
52cf03a1 GV |
2581 | #endif |
2582 | } | |
2583 | ||
2584 | void | |
2585 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
689004fa | 2586 | int x, int y, int cx, int cy, UINT flags) |
52cf03a1 GV |
2587 | { |
2588 | #ifndef ATTACH_THREADS | |
689004fa GV |
2589 | WINDOWPOS pos; |
2590 | pos.hwndInsertAfter = hwndAfter; | |
52cf03a1 GV |
2591 | pos.x = x; |
2592 | pos.y = y; | |
2593 | pos.cx = cx; | |
2594 | pos.cy = cy; | |
2595 | pos.flags = flags; | |
2596 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
2597 | #else | |
2598 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
2599 | #endif | |
2600 | } | |
2601 | ||
689004fa GV |
2602 | BOOL |
2603 | my_set_focus (f, hwnd) | |
2604 | struct frame * f; | |
2605 | HWND hwnd; | |
2606 | { | |
2607 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, | |
2608 | (WPARAM) hwnd, 0); | |
2609 | } | |
2610 | ||
ef0e360f GV |
2611 | BOOL |
2612 | my_set_foreground_window (hwnd) | |
2613 | HWND hwnd; | |
2614 | { | |
2615 | SendMessage (hwnd, WM_EMACS_SETFOREGROUND, (WPARAM) hwnd, 0); | |
2616 | } | |
2617 | ||
ee78dc32 GV |
2618 | void |
2619 | my_destroy_window (f, hwnd) | |
2620 | struct frame * f; | |
2621 | HWND hwnd; | |
2622 | { | |
fbd6baed | 2623 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
ee78dc32 GV |
2624 | (WPARAM) hwnd, 0); |
2625 | } | |
2626 | ||
2627 | /* Open a new window to serve as a scroll bar, and return the | |
2628 | scroll bar vector for it. */ | |
2629 | static struct scroll_bar * | |
2630 | x_scroll_bar_create (window, top, left, width, height) | |
2631 | struct window *window; | |
2632 | int top, left, width, height; | |
2633 | { | |
2634 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2635 | struct scroll_bar *bar | |
2636 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
2637 | HWND hwnd; | |
2638 | ||
2639 | BLOCK_INPUT; | |
2640 | ||
2641 | XSETWINDOW (bar->window, window); | |
2642 | XSETINT (bar->top, top); | |
2643 | XSETINT (bar->left, left); | |
2644 | XSETINT (bar->width, width); | |
2645 | XSETINT (bar->height, height); | |
2646 | XSETINT (bar->start, 0); | |
2647 | XSETINT (bar->end, 0); | |
2648 | bar->dragging = Qnil; | |
2649 | ||
2650 | /* Requires geometry to be set before call to create the real window */ | |
2651 | ||
2652 | hwnd = my_create_scrollbar (f, bar); | |
2653 | ||
689004fa GV |
2654 | if (pfnSetScrollInfo) |
2655 | { | |
2656 | SCROLLINFO si; | |
2657 | ||
2658 | si.cbSize = sizeof (si); | |
2659 | si.fMask = SIF_ALL; | |
2660 | si.nMin = 0; | |
2661 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (height) | |
2662 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
2663 | si.nPage = si.nMax; | |
2664 | si.nPos = 0; | |
2665 | ||
2666 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); | |
2667 | } | |
2668 | else | |
2669 | { | |
2670 | SetScrollRange (hwnd, SB_CTL, 0, VERTICAL_SCROLL_BAR_TOP_RANGE (height), FALSE); | |
2671 | SetScrollPos (hwnd, SB_CTL, 0, FALSE); | |
2672 | } | |
ee78dc32 | 2673 | |
fbd6baed | 2674 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
ee78dc32 GV |
2675 | |
2676 | /* Add bar to its frame's list of scroll bars. */ | |
2677 | bar->next = FRAME_SCROLL_BARS (f); | |
2678 | bar->prev = Qnil; | |
2679 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
2680 | if (! NILP (bar->next)) | |
2681 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
2682 | ||
2683 | UNBLOCK_INPUT; | |
2684 | ||
2685 | return bar; | |
2686 | } | |
2687 | ||
2688 | /* Draw BAR's handle in the proper position. | |
2689 | If the handle is already drawn from START to END, don't bother | |
2690 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2691 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2692 | events.) | |
2693 | ||
2694 | Normally, we want to constrain the start and end of the handle to | |
2695 | fit inside its rectangle, but if the user is dragging the scroll bar | |
2696 | handle, we want to let them drag it down all the way, so that the | |
2697 | bar's top is as far down as it goes; otherwise, there's no way to | |
2698 | move to the very end of the buffer. */ | |
2699 | static void | |
2700 | x_scroll_bar_set_handle (bar, start, end, rebuild) | |
2701 | struct scroll_bar *bar; | |
2702 | int start, end; | |
2703 | int rebuild; | |
2704 | { | |
2705 | int dragging = ! NILP (bar->dragging); | |
fbd6baed | 2706 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
2707 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2708 | ||
2709 | /* If the display is already accurate, do nothing. */ | |
2710 | if (! rebuild | |
2711 | && start == XINT (bar->start) | |
2712 | && end == XINT (bar->end)) | |
2713 | return; | |
2714 | ||
2715 | BLOCK_INPUT; | |
2716 | ||
689004fa GV |
2717 | { |
2718 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2719 | ||
2720 | /* Make sure the values are reasonable, and try to preserve | |
2721 | the distance between start and end. */ | |
2722 | { | |
2723 | int length = end - start; | |
2724 | ||
2725 | if (start < 0) | |
2726 | start = 0; | |
2727 | else if (start > top_range) | |
2728 | start = top_range; | |
2729 | end = start + length; | |
2730 | ||
2731 | if (end < start) | |
2732 | end = start; | |
2733 | else if (end > top_range && ! dragging) | |
2734 | end = top_range; | |
2735 | } | |
2736 | } | |
2737 | ||
ee78dc32 GV |
2738 | /* Store the adjusted setting in the scroll bar. */ |
2739 | XSETINT (bar->start, start); | |
2740 | XSETINT (bar->end, end); | |
2741 | ||
689004fa GV |
2742 | /* If being dragged, let scroll bar update itself. */ |
2743 | if (!dragging) | |
2744 | { | |
2745 | if (pfnSetScrollInfo) | |
2746 | { | |
2747 | SCROLLINFO si; | |
2748 | ||
2749 | si.cbSize = sizeof (si); | |
2750 | si.fMask = SIF_PAGE | SIF_POS; | |
2751 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
2752 | si.nPos = start; | |
2753 | ||
2754 | pfnSetScrollInfo (w, SB_CTL, &si, TRUE); | |
2755 | } | |
2756 | else | |
2757 | SetScrollPos (w, SB_CTL, start, TRUE); | |
2758 | } | |
ee78dc32 GV |
2759 | |
2760 | UNBLOCK_INPUT; | |
2761 | } | |
2762 | ||
2763 | /* Move a scroll bar around on the screen, to accommodate changing | |
2764 | window configurations. */ | |
2765 | static void | |
2766 | x_scroll_bar_move (bar, top, left, width, height) | |
2767 | struct scroll_bar *bar; | |
2768 | int top, left, width, height; | |
2769 | { | |
fbd6baed | 2770 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
2771 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2772 | ||
689004fa GV |
2773 | /* If already correctly positioned, do nothing. */ |
2774 | if ( XINT (bar->left) == left | |
2775 | && XINT (bar->top) == top | |
2776 | && XINT (bar->width) == width | |
2777 | && XINT (bar->height) == height ) | |
2778 | { | |
2779 | /* Redraw after clear_frame. */ | |
2780 | if (!my_show_window (f, w, SW_NORMAL)) | |
2781 | InvalidateRect (w, NULL, FALSE); | |
2782 | return; | |
2783 | } | |
2784 | ||
ee78dc32 GV |
2785 | BLOCK_INPUT; |
2786 | ||
689004fa GV |
2787 | /* Make sure scroll bar is "visible" before moving, to ensure the |
2788 | area of the parent window now exposed will be refreshed. */ | |
2789 | my_show_window (f, w, SW_HIDE); | |
ee78dc32 | 2790 | MoveWindow (w, left, top, width, height, TRUE); |
689004fa GV |
2791 | if (pfnSetScrollInfo) |
2792 | { | |
2793 | SCROLLINFO si; | |
2794 | ||
2795 | si.cbSize = sizeof (si); | |
2796 | si.fMask = SIF_RANGE; | |
2797 | si.nMin = 0; | |
2798 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (height) | |
2799 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
2800 | ||
2801 | pfnSetScrollInfo (w, SB_CTL, &si, FALSE); | |
2802 | } | |
2803 | else | |
2804 | SetScrollRange (w, SB_CTL, 0, VERTICAL_SCROLL_BAR_TOP_RANGE (height), FALSE); | |
2805 | my_show_window (f, w, SW_NORMAL); | |
2806 | // InvalidateRect (w, NULL, FALSE); | |
ee78dc32 GV |
2807 | |
2808 | XSETINT (bar->left, left); | |
2809 | XSETINT (bar->top, top); | |
2810 | XSETINT (bar->width, width); | |
2811 | XSETINT (bar->height, height); | |
2812 | ||
2813 | UNBLOCK_INPUT; | |
2814 | } | |
2815 | ||
2816 | /* Destroy the window for BAR, and set its Emacs window's scroll bar | |
2817 | to nil. */ | |
2818 | static void | |
2819 | x_scroll_bar_remove (bar) | |
2820 | struct scroll_bar *bar; | |
2821 | { | |
2822 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2823 | ||
2824 | BLOCK_INPUT; | |
2825 | ||
2826 | /* Destroy the window. */ | |
fbd6baed | 2827 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
ee78dc32 GV |
2828 | |
2829 | /* Disassociate this scroll bar from its window. */ | |
2830 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
2831 | ||
2832 | UNBLOCK_INPUT; | |
2833 | } | |
2834 | ||
2835 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2836 | that we are displaying PORTION characters out of a total of WHOLE | |
2837 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
2838 | create one. */ | |
2839 | static void | |
fbd6baed | 2840 | w32_set_vertical_scroll_bar (window, portion, whole, position) |
ee78dc32 GV |
2841 | struct window *window; |
2842 | int portion, whole, position; | |
2843 | { | |
2844 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2845 | int top = XINT (window->top); | |
2846 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); | |
2847 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
2848 | ||
2849 | /* Where should this scroll bar be, pixelwise? */ | |
2850 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); | |
2851 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
2852 | int pixel_width | |
2853 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2854 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
fbd6baed | 2855 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
ee78dc32 GV |
2856 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
2857 | ||
2858 | struct scroll_bar *bar; | |
2859 | ||
2860 | /* Does the scroll bar exist yet? */ | |
2861 | if (NILP (window->vertical_scroll_bar)) | |
2862 | bar = x_scroll_bar_create (window, | |
2863 | pixel_top, pixel_left, | |
2864 | pixel_width, pixel_height); | |
2865 | else | |
2866 | { | |
2867 | /* It may just need to be moved and resized. */ | |
2868 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2869 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
2870 | } | |
2871 | ||
689004fa GV |
2872 | /* Set the scroll bar's current state. */ |
2873 | { | |
2874 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); | |
ee78dc32 | 2875 | |
689004fa GV |
2876 | if (whole == 0) |
2877 | x_scroll_bar_set_handle (bar, 0, top_range, 0); | |
2878 | else | |
2879 | { | |
2880 | int start = (int) (((double) position * top_range) / whole); | |
2881 | int end = (int) (((double) (position + portion) * top_range) / whole); | |
ee78dc32 | 2882 | |
689004fa GV |
2883 | x_scroll_bar_set_handle (bar, start, end, 0); |
2884 | } | |
2885 | } | |
ee78dc32 GV |
2886 | |
2887 | XSETVECTOR (window->vertical_scroll_bar, bar); | |
2888 | } | |
2889 | ||
2890 | ||
2891 | /* The following three hooks are used when we're doing a thorough | |
2892 | redisplay of the frame. We don't explicitly know which scroll bars | |
2893 | are going to be deleted, because keeping track of when windows go | |
2894 | away is a real pain - "Can you say set-window-configuration, boys | |
2895 | and girls?" Instead, we just assert at the beginning of redisplay | |
2896 | that *all* scroll bars are to be removed, and then save a scroll bar | |
2897 | from the fiery pit when we actually redisplay its window. */ | |
2898 | ||
2899 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
2900 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2901 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
2902 | static void | |
fbd6baed | 2903 | w32_condemn_scroll_bars (frame) |
ee78dc32 GV |
2904 | FRAME_PTR frame; |
2905 | { | |
ef0e360f GV |
2906 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
2907 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
2908 | { | |
2909 | Lisp_Object bar; | |
2910 | bar = FRAME_SCROLL_BARS (frame); | |
2911 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
2912 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
2913 | XSCROLL_BAR (bar)->prev = Qnil; | |
2914 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2915 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
2916 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
2917 | } | |
2918 | #ifdef PIGSFLY | |
ee78dc32 GV |
2919 | /* The condemned list should be empty at this point; if it's not, |
2920 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2921 | protocol correctly. */ | |
2922 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2923 | abort (); | |
2924 | ||
2925 | /* Move them all to the "condemned" list. */ | |
2926 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); | |
2927 | FRAME_SCROLL_BARS (frame) = Qnil; | |
ef0e360f | 2928 | #endif |
ee78dc32 GV |
2929 | } |
2930 | ||
2931 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. | |
2932 | Note that WINDOW isn't necessarily condemned at all. */ | |
2933 | static void | |
fbd6baed | 2934 | w32_redeem_scroll_bar (window) |
ee78dc32 GV |
2935 | struct window *window; |
2936 | { | |
2937 | struct scroll_bar *bar; | |
2938 | ||
2939 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
2940 | if (NILP (window->vertical_scroll_bar)) | |
2941 | abort (); | |
2942 | ||
2943 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2944 | ||
ef0e360f GV |
2945 | /* Unlink it from the condemned list. */ |
2946 | { | |
2947 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2948 | ||
2949 | if (NILP (bar->prev)) | |
2950 | { | |
2951 | /* If the prev pointer is nil, it must be the first in one of | |
2952 | the lists. */ | |
2953 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
2954 | /* It's not condemned. Everything's fine. */ | |
2955 | return; | |
2956 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
2957 | window->vertical_scroll_bar)) | |
2958 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
2959 | else | |
2960 | /* If its prev pointer is nil, it must be at the front of | |
2961 | one or the other! */ | |
2962 | abort (); | |
2963 | } | |
2964 | else | |
2965 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
2966 | ||
2967 | if (! NILP (bar->next)) | |
2968 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
2969 | ||
2970 | bar->next = FRAME_SCROLL_BARS (f); | |
2971 | bar->prev = Qnil; | |
2972 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
2973 | if (! NILP (bar->next)) | |
2974 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
2975 | } | |
2976 | #ifdef PIGSFLY | |
2977 | struct scroll_bar *bar; | |
2978 | ||
2979 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
2980 | if (NILP (window->vertical_scroll_bar)) | |
2981 | abort (); | |
2982 | ||
2983 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
2984 | ||
ee78dc32 GV |
2985 | /* Unlink it from the condemned list. */ |
2986 | { | |
2987 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2988 | ||
2989 | if (NILP (bar->prev)) | |
2990 | { | |
2991 | /* If the prev pointer is nil, it must be the first in one of | |
2992 | the lists. */ | |
2993 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
2994 | /* It's not condemned. Everything's fine. */ | |
2995 | return; | |
2996 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
2997 | window->vertical_scroll_bar)) | |
2998 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
2999 | else | |
3000 | /* If its prev pointer is nil, it must be at the front of | |
3001 | one or the other! */ | |
3002 | abort (); | |
3003 | } | |
3004 | else | |
3005 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
3006 | ||
3007 | if (! NILP (bar->next)) | |
3008 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
3009 | ||
3010 | bar->next = FRAME_SCROLL_BARS (f); | |
3011 | bar->prev = Qnil; | |
3012 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
3013 | if (! NILP (bar->next)) | |
3014 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
3015 | } | |
ef0e360f | 3016 | #endif |
ee78dc32 GV |
3017 | } |
3018 | ||
3019 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
3020 | last call to `*condemn_scroll_bars_hook'. */ | |
3021 | static void | |
fbd6baed | 3022 | w32_judge_scroll_bars (f) |
ee78dc32 GV |
3023 | FRAME_PTR f; |
3024 | { | |
3025 | Lisp_Object bar, next; | |
3026 | ||
3027 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
3028 | ||
3029 | /* Clear out the condemned list now so we won't try to process any | |
3030 | more events on the hapless scroll bars. */ | |
3031 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
3032 | ||
3033 | for (; ! NILP (bar); bar = next) | |
3034 | { | |
3035 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
3036 | ||
3037 | x_scroll_bar_remove (b); | |
3038 | ||
3039 | next = b->next; | |
3040 | b->next = b->prev = Qnil; | |
3041 | } | |
3042 | ||
3043 | /* Now there should be no references to the condemned scroll bars, | |
3044 | and they should get garbage-collected. */ | |
ef0e360f GV |
3045 | #ifdef PIGSFLY |
3046 | Lisp_Object bar, next; | |
3047 | ||
3048 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
3049 | ||
3050 | /* Clear out the condemned list now so we won't try to process any | |
3051 | more events on the hapless scroll bars. */ | |
3052 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
3053 | ||
3054 | for (; ! NILP (bar); bar = next) | |
3055 | { | |
3056 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
3057 | ||
3058 | x_scroll_bar_remove (b); | |
3059 | ||
3060 | next = b->next; | |
3061 | b->next = b->prev = Qnil; | |
3062 | } | |
3063 | ||
3064 | /* Now there should be no references to the condemned scroll bars, | |
3065 | and they should get garbage-collected. */ | |
3066 | #endif | |
ee78dc32 GV |
3067 | } |
3068 | ||
3069 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
3070 | is set to something other than no_event, it is enqueued. | |
3071 | ||
3072 | This may be called from a signal handler, so we have to ignore GC | |
3073 | mark bits. */ | |
2c28562d | 3074 | |
52cf03a1 | 3075 | static int |
ee78dc32 GV |
3076 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
3077 | struct scroll_bar *bar; | |
fbd6baed | 3078 | W32Msg *msg; |
ee78dc32 GV |
3079 | struct input_event *emacs_event; |
3080 | { | |
3081 | if (! GC_WINDOWP (bar->window)) | |
3082 | abort (); | |
3083 | ||
fbd6baed | 3084 | emacs_event->kind = w32_scroll_bar_click; |
ee78dc32 | 3085 | emacs_event->code = 0; |
52cf03a1 GV |
3086 | /* not really meaningful to distinguish up/down */ |
3087 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 GV |
3088 | emacs_event->frame_or_window = bar->window; |
3089 | emacs_event->timestamp = msg->msg.time; | |
3090 | ||
3091 | { | |
689004fa GV |
3092 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3093 | int y; | |
3094 | int dragging = !NILP (bar->dragging); | |
3095 | ||
3096 | if (pfnGetScrollInfo) | |
3097 | { | |
3098 | SCROLLINFO si; | |
3099 | ||
3100 | si.cbSize = sizeof (si); | |
3101 | si.fMask = SIF_POS; | |
3102 | ||
3103 | pfnGetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); | |
3104 | y = si.nPos; | |
3105 | } | |
3106 | else | |
3107 | y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
3108 | ||
3109 | bar->dragging = Qnil; | |
ee78dc32 GV |
3110 | |
3111 | switch (LOWORD (msg->msg.wParam)) | |
2c28562d | 3112 | { |
2c28562d | 3113 | case SB_LINEDOWN: |
52cf03a1 | 3114 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 3115 | break; |
2c28562d | 3116 | case SB_LINEUP: |
52cf03a1 | 3117 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 3118 | break; |
2c28562d | 3119 | case SB_PAGEUP: |
ee78dc32 GV |
3120 | emacs_event->part = scroll_bar_above_handle; |
3121 | break; | |
2c28562d | 3122 | case SB_PAGEDOWN: |
ee78dc32 GV |
3123 | emacs_event->part = scroll_bar_below_handle; |
3124 | break; | |
2c28562d | 3125 | case SB_TOP: |
ee78dc32 GV |
3126 | emacs_event->part = scroll_bar_handle; |
3127 | y = 0; | |
3128 | break; | |
2c28562d | 3129 | case SB_BOTTOM: |
ee78dc32 GV |
3130 | emacs_event->part = scroll_bar_handle; |
3131 | y = top_range; | |
3132 | break; | |
689004fa | 3133 | case SB_THUMBTRACK: |
2c28562d | 3134 | case SB_THUMBPOSITION: |
689004fa GV |
3135 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) |
3136 | y = HIWORD (msg->msg.wParam); | |
3137 | bar->dragging = Qt; | |
ee78dc32 | 3138 | emacs_event->part = scroll_bar_handle; |
689004fa GV |
3139 | |
3140 | /* "Silently" update current position. */ | |
3141 | if (pfnSetScrollInfo) | |
3142 | { | |
3143 | SCROLLINFO si; | |
3144 | ||
3145 | si.cbSize = sizeof (si); | |
3146 | si.fMask = SIF_POS; | |
3147 | ||
3148 | #if 0 | |
3149 | /* Shrink handle if necessary to allow full range for position. */ | |
3150 | { | |
3151 | int start = XINT (bar->start); | |
3152 | int end = XINT (bar->end); | |
3153 | int len = end - start; | |
3154 | ||
3155 | /* If new end is nearly hitting bottom, we must shrink | |
3156 | handle. How much we shrink it depends on the relative | |
3157 | sizes of len and top_range. */ | |
3158 | if (y + len > top_range - 2) | |
3159 | { | |
3160 | len -= min (top_range / 10, (len / 3) + 2); | |
3161 | if (len < 0) | |
3162 | len = 0; | |
3163 | } | |
3164 | si.nPage = len + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
3165 | si.fMask |= SIF_PAGE; | |
3166 | } | |
3167 | #endif | |
3168 | si.nPos = y; | |
3169 | /* Remember apparent position (we actually lag behind the real | |
3170 | position, so don't set that directly. */ | |
3171 | last_scroll_bar_drag_pos = y; | |
3172 | ||
3173 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); | |
3174 | } | |
3175 | else | |
3176 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, FALSE); | |
ee78dc32 | 3177 | break; |
2c28562d | 3178 | case SB_ENDSCROLL: |
689004fa GV |
3179 | /* If this is the end of a drag sequence, then reset the scroll |
3180 | handle size to normal and do a final redraw. Otherwise do | |
3181 | nothing. */ | |
3182 | if (dragging) | |
3183 | { | |
3184 | if (pfnSetScrollInfo) | |
3185 | { | |
3186 | SCROLLINFO si; | |
3187 | int start = XINT (bar->start); | |
3188 | int end = XINT (bar->end); | |
3189 | ||
3190 | si.cbSize = sizeof (si); | |
3191 | si.fMask = SIF_PAGE | SIF_POS; | |
3192 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
3193 | si.nPos = last_scroll_bar_drag_pos; | |
3194 | ||
3195 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); | |
3196 | } | |
3197 | else | |
3198 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, TRUE); | |
3199 | } | |
3200 | /* fall through */ | |
2c28562d | 3201 | default: |
689004fa | 3202 | emacs_event->kind = no_event; |
52cf03a1 | 3203 | return FALSE; |
2c28562d | 3204 | } |
52cf03a1 | 3205 | |
ee78dc32 GV |
3206 | XSETINT (emacs_event->x, y); |
3207 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
3208 | |
3209 | return TRUE; | |
ee78dc32 GV |
3210 | } |
3211 | } | |
3212 | ||
3213 | /* Return information to the user about the current position of the mouse | |
3214 | on the scroll bar. */ | |
3215 | static void | |
3216 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
3217 | FRAME_PTR *fp; | |
3218 | Lisp_Object *bar_window; | |
3219 | enum scroll_bar_part *part; | |
3220 | Lisp_Object *x, *y; | |
3221 | unsigned long *time; | |
3222 | { | |
3223 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
fbd6baed | 3224 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
3225 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
3226 | int pos; | |
689004fa | 3227 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
ee78dc32 GV |
3228 | |
3229 | BLOCK_INPUT; | |
3230 | ||
3231 | *fp = f; | |
3232 | *bar_window = bar->window; | |
3233 | ||
689004fa GV |
3234 | if (pfnGetScrollInfo) |
3235 | { | |
3236 | SCROLLINFO si; | |
3237 | ||
3238 | si.cbSize = sizeof (si); | |
3239 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; | |
3240 | ||
3241 | pfnGetScrollInfo (w, SB_CTL, &si); | |
3242 | pos = si.nPos; | |
3243 | top_range = si.nMax - si.nPage + 1; | |
3244 | } | |
3245 | else | |
3246 | pos = GetScrollPos (w, SB_CTL); | |
ee78dc32 GV |
3247 | |
3248 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
3249 | { | |
3250 | case SB_THUMBPOSITION: | |
3251 | case SB_THUMBTRACK: | |
3252 | *part = scroll_bar_handle; | |
3253 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) | |
3254 | pos = HIWORD (last_mouse_scroll_bar_pos); | |
3255 | break; | |
3256 | case SB_LINEDOWN: | |
3257 | *part = scroll_bar_handle; | |
3258 | pos++; | |
3259 | break; | |
3260 | default: | |
3261 | *part = scroll_bar_handle; | |
3262 | break; | |
3263 | } | |
3264 | ||
3265 | XSETINT(*x, pos); | |
689004fa | 3266 | XSETINT(*y, top_range); |
ee78dc32 GV |
3267 | |
3268 | f->mouse_moved = 0; | |
3269 | last_mouse_scroll_bar = Qnil; | |
3270 | ||
3271 | *time = last_mouse_movement_time; | |
3272 | ||
3273 | UNBLOCK_INPUT; | |
3274 | } | |
3275 | ||
3276 | /* The screen has been cleared so we may have changed foreground or | |
3277 | background colors, and the scroll bars may need to be redrawn. | |
3278 | Clear out the scroll bars, and ask for expose events, so we can | |
3279 | redraw them. */ | |
3280 | ||
3281 | x_scroll_bar_clear (f) | |
3282 | FRAME_PTR f; | |
3283 | { | |
ee78dc32 GV |
3284 | Lisp_Object bar; |
3285 | ||
3286 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
3287 | bar = XSCROLL_BAR (bar)->next) | |
52cf03a1 | 3288 | { |
fbd6baed | 3289 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
52cf03a1 GV |
3290 | HDC hdc = GetDC (window); |
3291 | RECT rect; | |
3292 | ||
689004fa GV |
3293 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
3294 | arranges to refresh the scroll bar if hidden. */ | |
3295 | my_show_window (f, window, SW_HIDE); | |
3296 | ||
52cf03a1 GV |
3297 | GetClientRect (window, &rect); |
3298 | select_palette (f, hdc); | |
fbd6baed | 3299 | w32_clear_rect (f, hdc, &rect); |
52cf03a1 | 3300 | deselect_palette (f, hdc); |
689004fa GV |
3301 | |
3302 | ReleaseDC (window, hdc); | |
52cf03a1 GV |
3303 | } |
3304 | } | |
3305 | ||
3306 | show_scroll_bars (f, how) | |
3307 | FRAME_PTR f; | |
3308 | int how; | |
3309 | { | |
3310 | Lisp_Object bar; | |
3311 | ||
3312 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
3313 | bar = XSCROLL_BAR (bar)->next) | |
3314 | { | |
fbd6baed | 3315 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
689004fa | 3316 | my_show_window (f, window, how); |
52cf03a1 | 3317 | } |
ee78dc32 GV |
3318 | } |
3319 | ||
3320 | \f | |
fbd6baed | 3321 | /* The main W32 event-reading loop - w32_read_socket. */ |
ee78dc32 GV |
3322 | |
3323 | /* Timestamp of enter window event. This is only used by w32_read_socket, | |
3324 | but we have to put it out here, since static variables within functions | |
3325 | sometimes don't work. */ | |
3326 | static Time enter_timestamp; | |
3327 | ||
3328 | /* Record the last 100 characters stored | |
3329 | to help debug the loss-of-chars-during-GC problem. */ | |
3330 | int temp_index; | |
3331 | short temp_buffer[100]; | |
3332 | ||
689004fa | 3333 | extern int key_event (KEY_EVENT_RECORD *, struct input_event *, int *isdead); |
afd153f0 | 3334 | |
fbd6baed | 3335 | /* Map a W32 WM_CHAR message into a KEY_EVENT_RECORD so that |
afd153f0 GV |
3336 | we can use the same routines to handle input in both console |
3337 | and window modes. */ | |
3338 | ||
3339 | static void | |
fbd6baed | 3340 | convert_to_key_event (W32Msg *msgp, KEY_EVENT_RECORD *eventp) |
afd153f0 GV |
3341 | { |
3342 | eventp->bKeyDown = TRUE; | |
3343 | eventp->wRepeatCount = 1; | |
3344 | eventp->wVirtualKeyCode = msgp->msg.wParam; | |
3345 | eventp->wVirtualScanCode = (msgp->msg.lParam & 0xFF0000) >> 16; | |
3346 | eventp->uChar.AsciiChar = 0; | |
3347 | eventp->dwControlKeyState = msgp->dwModifiers; | |
3348 | } | |
3349 | ||
3350 | /* Return nonzero if the virtual key is a dead key. */ | |
3351 | ||
3352 | static int | |
3353 | is_dead_key (int wparam) | |
3354 | { | |
3355 | unsigned int code = MapVirtualKey (wparam, 2); | |
3356 | ||
e9e23e23 | 3357 | /* Windows 95 returns 0x8000, NT returns 0x80000000. */ |
afd153f0 GV |
3358 | if ((code & 0x8000) || (code & 0x80000000)) |
3359 | return 1; | |
3360 | else | |
3361 | return 0; | |
3362 | } | |
3363 | ||
fbd6baed | 3364 | /* Read events coming from the W32 shell. |
ee78dc32 GV |
3365 | This routine is called by the SIGIO handler. |
3366 | We return as soon as there are no more events to be read. | |
3367 | ||
3368 | Events representing keys are stored in buffer BUFP, | |
3369 | which can hold up to NUMCHARS characters. | |
3370 | We return the number of characters stored into the buffer, | |
3371 | thus pretending to be `read'. | |
3372 | ||
ee78dc32 GV |
3373 | EXPECTED is nonzero if the caller knows input is available. |
3374 | ||
3375 | Some of these messages are reposted back to the message queue since the | |
e9e23e23 GV |
3376 | system calls the windows proc directly in a context where we cannot return |
3377 | the data nor can we guarantee the state we are in. So if we dispatch them | |
ee78dc32 GV |
3378 | we will get into an infinite loop. To prevent this from ever happening we |
3379 | will set a variable to indicate we are in the read_socket call and indicate | |
e9e23e23 GV |
3380 | which message we are processing since the windows proc gets called |
3381 | recursively with different messages by the system. | |
ee78dc32 GV |
3382 | */ |
3383 | ||
3384 | int | |
3aad7613 | 3385 | w32_read_socket (sd, bufp, numchars, expected) |
ee78dc32 GV |
3386 | register int sd; |
3387 | register struct input_event *bufp; | |
3388 | register int numchars; | |
ee78dc32 GV |
3389 | int expected; |
3390 | { | |
3391 | int count = 0; | |
689004fa | 3392 | int check_visibility = 0; |
fbd6baed | 3393 | W32Msg msg; |
ee78dc32 | 3394 | struct frame *f; |
ee78dc32 | 3395 | Lisp_Object part; |
fbd6baed | 3396 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
3397 | |
3398 | if (interrupt_input_blocked) | |
3399 | { | |
3400 | interrupt_input_pending = 1; | |
3401 | return -1; | |
3402 | } | |
3403 | ||
3404 | interrupt_input_pending = 0; | |
3405 | BLOCK_INPUT; | |
3406 | ||
3407 | /* So people can tell when we have read the available input. */ | |
3408 | input_signal_count++; | |
3409 | ||
3410 | if (numchars <= 0) | |
3411 | abort (); /* Don't think this happens. */ | |
3412 | ||
52cf03a1 | 3413 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
3414 | { |
3415 | switch (msg.msg.message) | |
3416 | { | |
ee78dc32 | 3417 | case WM_PAINT: |
ee78dc32 GV |
3418 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
3419 | ||
3420 | if (f) | |
3421 | { | |
014b6ea1 GV |
3422 | if (msg.rect.right == msg.rect.left || |
3423 | msg.rect.bottom == msg.rect.top) | |
ee78dc32 | 3424 | { |
014b6ea1 GV |
3425 | /* We may get paint messages even though the client |
3426 | area is clipped - these are not expose events. */ | |
3427 | DebPrint (("clipped frame %04x (%s) got WM_PAINT\n", f, | |
3428 | XSTRING (f->name)->data)); | |
3429 | } | |
3430 | else if (f->async_visible != 1) | |
3431 | { | |
3432 | /* Definitely not obscured, so mark as visible. */ | |
ee78dc32 GV |
3433 | f->async_visible = 1; |
3434 | f->async_iconified = 0; | |
3435 | SET_FRAME_GARBAGED (f); | |
014b6ea1 GV |
3436 | DebPrint (("frame %04x (%s) reexposed\n", f, |
3437 | XSTRING (f->name)->data)); | |
689004fa GV |
3438 | |
3439 | /* WM_PAINT serves as MapNotify as well, so report | |
3440 | visibility changes properly. */ | |
3441 | if (f->iconified) | |
3442 | { | |
3443 | bufp->kind = deiconify_event; | |
3444 | XSETFRAME (bufp->frame_or_window, f); | |
3445 | bufp++; | |
3446 | count++; | |
3447 | numchars--; | |
3448 | } | |
3449 | else if (! NILP(Vframe_list) | |
3450 | && ! NILP (XCONS (Vframe_list)->cdr)) | |
3451 | /* Force a redisplay sooner or later to update the | |
3452 | frame titles in case this is the second frame. */ | |
3453 | record_asynch_buffer_change (); | |
ee78dc32 GV |
3454 | } |
3455 | else | |
3456 | { | |
97e6de38 | 3457 | /* Erase background again for safety. */ |
fbd6baed | 3458 | w32_clear_rect (f, NULL, &msg.rect); |
ee78dc32 GV |
3459 | dumprectangle (f, |
3460 | msg.rect.left, | |
3461 | msg.rect.top, | |
689004fa GV |
3462 | msg.rect.right - msg.rect.left, |
3463 | msg.rect.bottom - msg.rect.top); | |
ee78dc32 GV |
3464 | } |
3465 | } | |
52cf03a1 | 3466 | break; |
689004fa | 3467 | |
ee78dc32 GV |
3468 | case WM_KEYDOWN: |
3469 | case WM_SYSKEYDOWN: | |
3470 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3471 | ||
3472 | if (f && !f->iconified) | |
3473 | { | |
3474 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3475 | temp_index = 0; | |
3476 | temp_buffer[temp_index++] = msg.msg.wParam; | |
3477 | bufp->kind = non_ascii_keystroke; | |
3478 | bufp->code = msg.msg.wParam; | |
689004fa GV |
3479 | bufp->modifiers = w32_kbd_mods_to_emacs (msg.dwModifiers, |
3480 | msg.msg.wParam); | |
ee78dc32 GV |
3481 | XSETFRAME (bufp->frame_or_window, f); |
3482 | bufp->timestamp = msg.msg.time; | |
3483 | bufp++; | |
3484 | numchars--; | |
3485 | count++; | |
3486 | } | |
3487 | break; | |
689004fa | 3488 | |
ee78dc32 GV |
3489 | case WM_SYSCHAR: |
3490 | case WM_CHAR: | |
3491 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3492 | ||
3493 | if (f && !f->iconified) | |
3494 | { | |
3495 | if (numchars > 1) | |
3496 | { | |
afd153f0 | 3497 | int add; |
689004fa | 3498 | int isdead = 0; |
afd153f0 GV |
3499 | KEY_EVENT_RECORD key, *keyp = &key; |
3500 | ||
ee78dc32 GV |
3501 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3502 | temp_index = 0; | |
afd153f0 GV |
3503 | |
3504 | convert_to_key_event (&msg, keyp); | |
689004fa | 3505 | add = key_event (keyp, bufp, &isdead); |
a92989c3 | 3506 | XSETFRAME (bufp->frame_or_window, f); |
afd153f0 GV |
3507 | if (add == -1) |
3508 | { | |
3509 | /* The key pressed generated two characters, most likely | |
3510 | an accent character and a key that could not be | |
3511 | combined with it. Prepend the message on the queue | |
3512 | again to process the second character (which is | |
3513 | being held internally in key_event), and process | |
3514 | the first character now. */ | |
3515 | prepend_msg (&msg); | |
3516 | add = 1; | |
3517 | } | |
3518 | ||
689004fa | 3519 | if (isdead) |
afd153f0 GV |
3520 | break; |
3521 | ||
3522 | bufp += add; | |
3523 | numchars -= add; | |
3524 | count += add; | |
ee78dc32 GV |
3525 | } |
3526 | else | |
3527 | { | |
3528 | abort (); | |
3529 | } | |
3530 | } | |
3531 | break; | |
689004fa | 3532 | |
ee78dc32 GV |
3533 | case WM_MOUSEMOVE: |
3534 | if (dpyinfo->grabbed && last_mouse_frame | |
3535 | && FRAME_LIVE_P (last_mouse_frame)) | |
3536 | f = last_mouse_frame; | |
3537 | else | |
3538 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3539 | ||
3540 | if (f) | |
3541 | note_mouse_movement (f, &msg.msg); | |
3542 | else | |
fbd6baed | 3543 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
ee78dc32 GV |
3544 | |
3545 | break; | |
689004fa | 3546 | |
ee78dc32 GV |
3547 | case WM_LBUTTONDOWN: |
3548 | case WM_LBUTTONUP: | |
3549 | case WM_MBUTTONDOWN: | |
3550 | case WM_MBUTTONUP: | |
3551 | case WM_RBUTTONDOWN: | |
3552 | case WM_RBUTTONUP: | |
3553 | { | |
3554 | int button; | |
3555 | int up; | |
3556 | ||
3557 | if (dpyinfo->grabbed && last_mouse_frame | |
3558 | && FRAME_LIVE_P (last_mouse_frame)) | |
3559 | f = last_mouse_frame; | |
3560 | else | |
3561 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3562 | ||
3563 | if (f) | |
3564 | { | |
fbd6baed | 3565 | if ((!dpyinfo->w32_focus_frame || f == dpyinfo->w32_focus_frame) |
ee78dc32 GV |
3566 | && (numchars >= 1)) |
3567 | { | |
3568 | construct_mouse_click (bufp, &msg, f); | |
3569 | bufp++; | |
3570 | count++; | |
3571 | numchars--; | |
3572 | } | |
3573 | } | |
3574 | ||
3575 | parse_button (msg.msg.message, &button, &up); | |
3576 | ||
3577 | if (up) | |
3578 | { | |
3579 | dpyinfo->grabbed &= ~ (1 << button); | |
3580 | } | |
3581 | else | |
3582 | { | |
3583 | dpyinfo->grabbed |= (1 << button); | |
3584 | last_mouse_frame = f; | |
3585 | } | |
689004fa | 3586 | break; |
ee78dc32 GV |
3587 | } |
3588 | ||
689004fa GV |
3589 | case WM_MOUSEWHEEL: |
3590 | if (dpyinfo->grabbed && last_mouse_frame | |
3591 | && FRAME_LIVE_P (last_mouse_frame)) | |
3592 | f = last_mouse_frame; | |
3593 | else | |
3594 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3595 | ||
3596 | if (f) | |
3597 | { | |
3598 | if ((!dpyinfo->w32_focus_frame | |
3599 | || f == dpyinfo->w32_focus_frame) | |
3600 | && (numchars >= 1)) | |
3601 | { | |
3602 | construct_mouse_wheel (bufp, &msg, f); | |
3603 | bufp++; | |
3604 | count++; | |
3605 | numchars--; | |
3606 | } | |
3607 | } | |
ee78dc32 | 3608 | break; |
689004fa | 3609 | |
12857dfd RS |
3610 | case WM_DROPFILES: |
3611 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3612 | ||
3613 | if (f) | |
3614 | { | |
3615 | construct_drag_n_drop (bufp, &msg, f); | |
3616 | bufp++; | |
3617 | count++; | |
3618 | numchars--; | |
3619 | } | |
3620 | break; | |
3621 | ||
ee78dc32 GV |
3622 | case WM_VSCROLL: |
3623 | { | |
689004fa GV |
3624 | struct scroll_bar *bar = |
3625 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
ee78dc32 GV |
3626 | |
3627 | if (bar && numchars >= 1) | |
3628 | { | |
52cf03a1 GV |
3629 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
3630 | { | |
3631 | bufp++; | |
3632 | count++; | |
3633 | numchars--; | |
3634 | } | |
ee78dc32 | 3635 | } |
689004fa | 3636 | break; |
ee78dc32 GV |
3637 | } |
3638 | ||
689004fa GV |
3639 | case WM_WINDOWPOSCHANGED: |
3640 | case WM_ACTIVATE: | |
3641 | case WM_ACTIVATEAPP: | |
3642 | check_visibility = 1; | |
ee78dc32 | 3643 | break; |
689004fa | 3644 | |
ee78dc32 GV |
3645 | case WM_MOVE: |
3646 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3647 | ||
3648 | if (f && !f->async_iconified) | |
3649 | { | |
689004fa GV |
3650 | int x, y; |
3651 | ||
3652 | x_real_positions (f, &x, &y); | |
3653 | f->output_data.w32->left_pos = x; | |
3654 | f->output_data.w32->top_pos = y; | |
ee78dc32 | 3655 | } |
689004fa GV |
3656 | |
3657 | check_visibility = 1; | |
3658 | break; | |
3659 | ||
3660 | case WM_SHOWWINDOW: | |
3661 | /* If window has been obscured or exposed by another window | |
3662 | being maximised or minimised/restored, then recheck | |
3663 | visibility of all frames. Direct changes to our own | |
3664 | windows get handled by WM_SIZE. */ | |
3665 | #if 0 | |
3666 | if (msg.msg.lParam != 0) | |
3667 | check_visibility = 1; | |
3668 | else | |
3669 | { | |
3670 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3671 | f->async_visible = msg.msg.wParam; | |
3672 | } | |
3673 | #endif | |
3674 | ||
3675 | check_visibility = 1; | |
ee78dc32 | 3676 | break; |
689004fa | 3677 | |
ee78dc32 GV |
3678 | case WM_SIZE: |
3679 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3680 | ||
689004fa GV |
3681 | /* Inform lisp of whether frame has been iconified etc. */ |
3682 | if (f) | |
ee78dc32 | 3683 | { |
689004fa | 3684 | switch (msg.msg.wParam) |
ee78dc32 | 3685 | { |
689004fa GV |
3686 | case SIZE_MINIMIZED: |
3687 | f->async_visible = 0; | |
ee78dc32 GV |
3688 | f->async_iconified = 1; |
3689 | ||
3690 | bufp->kind = iconify_event; | |
3691 | XSETFRAME (bufp->frame_or_window, f); | |
3692 | bufp++; | |
3693 | count++; | |
3694 | numchars--; | |
689004fa GV |
3695 | break; |
3696 | ||
3697 | case SIZE_MAXIMIZED: | |
3698 | case SIZE_RESTORED: | |
ee78dc32 GV |
3699 | f->async_visible = 1; |
3700 | f->async_iconified = 0; | |
3701 | ||
3702 | /* wait_reading_process_input will notice this and update | |
3703 | the frame's display structures. */ | |
3704 | SET_FRAME_GARBAGED (f); | |
3705 | ||
3706 | if (f->iconified) | |
3707 | { | |
3708 | bufp->kind = deiconify_event; | |
3709 | XSETFRAME (bufp->frame_or_window, f); | |
3710 | bufp++; | |
3711 | count++; | |
3712 | numchars--; | |
3713 | } | |
3714 | else | |
3715 | /* Force a redisplay sooner or later | |
3716 | to update the frame titles | |
3717 | in case this is the second frame. */ | |
3718 | record_asynch_buffer_change (); | |
689004fa | 3719 | break; |
ee78dc32 | 3720 | } |
ee78dc32 | 3721 | } |
689004fa | 3722 | |
ef0e360f GV |
3723 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
3724 | { | |
3725 | RECT rect; | |
3726 | int rows; | |
3727 | int columns; | |
3728 | int width; | |
3729 | int height; | |
3730 | ||
3731 | GetClientRect(msg.msg.hwnd, &rect); | |
3732 | ||
3733 | height = rect.bottom - rect.top; | |
3734 | width = rect.right - rect.left; | |
3735 | ||
3736 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
3737 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
3738 | ||
3739 | /* TODO: Clip size to the screen dimensions. */ | |
3740 | ||
3741 | /* Even if the number of character rows and columns has | |
3742 | not changed, the font size may have changed, so we need | |
3743 | to check the pixel dimensions as well. */ | |
3744 | ||
3745 | if (columns != f->width | |
3746 | || rows != f->height | |
3747 | || width != f->output_data.w32->pixel_width | |
3748 | || height != f->output_data.w32->pixel_height) | |
3749 | { | |
3750 | /* I had set this to 0, 0 - I am not sure why?? */ | |
3751 | ||
3752 | change_frame_size (f, rows, columns, 0, 1); | |
3753 | SET_FRAME_GARBAGED (f); | |
3754 | ||
3755 | f->output_data.w32->pixel_width = width; | |
3756 | f->output_data.w32->pixel_height = height; | |
3757 | f->output_data.w32->win_gravity = NorthWestGravity; | |
3758 | } | |
3759 | } | |
3760 | ||
689004fa GV |
3761 | check_visibility = 1; |
3762 | break; | |
3763 | ||
3764 | case WM_SETFOCUS: | |
3765 | case WM_KILLFOCUS: | |
3766 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
ee78dc32 | 3767 | |
689004fa GV |
3768 | if (msg.msg.message == WM_SETFOCUS) |
3769 | { | |
3770 | x_new_focus_frame (dpyinfo, f); | |
3771 | } | |
3772 | else if (f == dpyinfo->w32_focus_frame) | |
3773 | { | |
3774 | x_new_focus_frame (dpyinfo, 0); | |
3775 | } | |
3776 | ||
3777 | check_visibility = 1; | |
ee78dc32 | 3778 | break; |
689004fa | 3779 | |
ee78dc32 GV |
3780 | case WM_CLOSE: |
3781 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3782 | ||
3783 | if (f) | |
3784 | { | |
3785 | if (numchars == 0) | |
3786 | abort (); | |
3787 | ||
3788 | bufp->kind = delete_window_event; | |
3789 | XSETFRAME (bufp->frame_or_window, f); | |
3790 | bufp++; | |
3791 | count++; | |
3792 | numchars--; | |
3793 | } | |
689004fa GV |
3794 | break; |
3795 | ||
3796 | case WM_INITMENU: | |
3797 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3798 | ||
3799 | if (f) | |
3800 | { | |
3801 | if (numchars == 0) | |
3802 | abort (); | |
ee78dc32 | 3803 | |
689004fa GV |
3804 | bufp->kind = menu_bar_activate_event; |
3805 | XSETFRAME (bufp->frame_or_window, f); | |
3806 | bufp++; | |
3807 | count++; | |
3808 | numchars--; | |
3809 | } | |
ee78dc32 | 3810 | break; |
689004fa | 3811 | |
ee78dc32 GV |
3812 | case WM_COMMAND: |
3813 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
014b6ea1 | 3814 | |
ee78dc32 GV |
3815 | if (f) |
3816 | { | |
014b6ea1 GV |
3817 | extern void menubar_selection_callback (FRAME_PTR f, void * client_data); |
3818 | menubar_selection_callback (f, (void *)msg.msg.wParam); | |
ee78dc32 | 3819 | } |
689004fa GV |
3820 | |
3821 | check_visibility = 1; | |
3822 | break; | |
3823 | ||
3824 | case WM_DISPLAYCHANGE: | |
3825 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3826 | ||
3827 | if (f) | |
3828 | { | |
3829 | dpyinfo->width = (short) LOWORD (msg.msg.lParam); | |
3830 | dpyinfo->height = (short) HIWORD (msg.msg.lParam); | |
3831 | dpyinfo->n_cbits = msg.msg.wParam; | |
3832 | DebPrint (("display change: %d %d\n", dpyinfo->width, | |
3833 | dpyinfo->height)); | |
3834 | } | |
3835 | ||
3836 | check_visibility = 1; | |
ee78dc32 | 3837 | break; |
e7efd97e GV |
3838 | |
3839 | default: | |
3840 | /* Check for messages registered at runtime. */ | |
3841 | if (msg.msg.message == msh_mousewheel) | |
3842 | { | |
3843 | if (dpyinfo->grabbed && last_mouse_frame | |
3844 | && FRAME_LIVE_P (last_mouse_frame)) | |
3845 | f = last_mouse_frame; | |
3846 | else | |
3847 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
3848 | ||
3849 | if (f) | |
3850 | { | |
3851 | if ((!dpyinfo->w32_focus_frame | |
3852 | || f == dpyinfo->w32_focus_frame) | |
3853 | && (numchars >= 1)) | |
3854 | { | |
3855 | construct_mouse_wheel (bufp, &msg, f); | |
3856 | bufp++; | |
3857 | count++; | |
3858 | numchars--; | |
3859 | } | |
3860 | } | |
3861 | } | |
3862 | break; | |
ee78dc32 GV |
3863 | } |
3864 | } | |
3865 | ||
3866 | /* If the focus was just given to an autoraising frame, | |
3867 | raise it now. */ | |
3868 | /* ??? This ought to be able to handle more than one such frame. */ | |
3869 | if (pending_autoraise_frame) | |
3870 | { | |
3871 | x_raise_frame (pending_autoraise_frame); | |
3872 | pending_autoraise_frame = 0; | |
3873 | } | |
3874 | ||
689004fa GV |
3875 | /* Check which frames are still visisble, if we have enqueued any user |
3876 | events or been notified of events that may affect visibility. We | |
3877 | do this here because there doesn't seem to be any direct | |
3878 | notification from Windows that the visibility of a window has | |
3879 | changed (at least, not in all cases). */ | |
3880 | if (count > 0 || check_visibility) | |
3881 | { | |
3882 | Lisp_Object tail, frame; | |
3883 | ||
3884 | FOR_EACH_FRAME (tail, frame) | |
3885 | { | |
3886 | FRAME_PTR f = XFRAME (frame); | |
3887 | /* Check "visible" frames and mark each as obscured or not. | |
3888 | Note that async_visible is nonzero for unobscured and | |
3889 | obscured frames, but zero for hidden and iconified frames. */ | |
3890 | if (FRAME_W32_P (f) && f->async_visible) | |
3891 | { | |
3892 | RECT clipbox; | |
3893 | HDC hdc = get_frame_dc (f); | |
3894 | GetClipBox (hdc, &clipbox); | |
3895 | release_frame_dc (f, hdc); | |
3896 | ||
3897 | if (clipbox.right == clipbox.left | |
3898 | || clipbox.bottom == clipbox.top) | |
3899 | { | |
3900 | /* Frame has become completely obscured so mark as | |
3901 | such (we do this by setting async_visible to 2 so | |
3902 | that FRAME_VISIBLE_P is still true, but redisplay | |
3903 | will skip it). */ | |
3904 | f->async_visible = 2; | |
3905 | ||
3906 | if (!FRAME_OBSCURED_P (f)) | |
3907 | { | |
3908 | DebPrint (("frame %04x (%s) obscured\n", f, | |
3909 | XSTRING (f->name)->data)); | |
3910 | } | |
3911 | } | |
3912 | else | |
3913 | { | |
3914 | /* Frame is not obscured, so mark it as such. */ | |
3915 | f->async_visible = 1; | |
3916 | ||
3917 | if (FRAME_OBSCURED_P (f)) | |
3918 | { | |
3919 | SET_FRAME_GARBAGED (f); | |
3920 | DebPrint (("frame %04x (%s) reexposed\n", f, | |
3921 | XSTRING (f->name)->data)); | |
3922 | ||
3923 | /* Force a redisplay sooner or later. */ | |
3924 | record_asynch_buffer_change (); | |
3925 | } | |
3926 | } | |
3927 | } | |
3928 | } | |
3929 | } | |
3930 | ||
ee78dc32 GV |
3931 | UNBLOCK_INPUT; |
3932 | return count; | |
3933 | } | |
3934 | \f | |
3935 | /* Drawing the cursor. */ | |
3936 | ||
3937 | ||
3938 | /* Draw a hollow box cursor. Don't change the inside of the box. */ | |
3939 | ||
3940 | static void | |
3941 | x_draw_box (f) | |
3942 | struct frame *f; | |
3943 | { | |
3944 | RECT rect; | |
3945 | HBRUSH hb; | |
3946 | HDC hdc; | |
3947 | ||
52cf03a1 | 3948 | hdc = get_frame_dc (f); |
ee78dc32 | 3949 | |
fbd6baed | 3950 | hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); |
ee78dc32 GV |
3951 | |
3952 | rect.left = CHAR_TO_PIXEL_COL (f, curs_x); | |
3953 | rect.top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
fbd6baed GV |
3954 | rect.right = rect.left + FONT_WIDTH (f->output_data.w32->font); |
3955 | rect.bottom = rect.top + f->output_data.w32->line_height; | |
52cf03a1 | 3956 | |
ee78dc32 | 3957 | FrameRect (hdc, &rect, hb); |
ee78dc32 | 3958 | DeleteObject (hb); |
52cf03a1 GV |
3959 | |
3960 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
3961 | } |
3962 | ||
3963 | /* Clear the cursor of frame F to background color, | |
3964 | and mark the cursor as not shown. | |
3965 | This is used when the text where the cursor is | |
3966 | is about to be rewritten. */ | |
3967 | ||
3968 | static void | |
3969 | clear_cursor (f) | |
3970 | struct frame *f; | |
3971 | { | |
3972 | if (! FRAME_VISIBLE_P (f) | |
3973 | || f->phys_cursor_x < 0) | |
3974 | return; | |
3975 | ||
3976 | x_display_cursor (f, 0); | |
3977 | f->phys_cursor_x = -1; | |
3978 | } | |
3979 | ||
3980 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style | |
3981 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the | |
3982 | glyph drawn. */ | |
3983 | ||
3984 | static void | |
3985 | x_draw_single_glyph (f, row, column, glyph, highlight) | |
3986 | struct frame *f; | |
3987 | int row, column; | |
3988 | GLYPH glyph; | |
3989 | int highlight; | |
3990 | { | |
3991 | dumpglyphs (f, | |
3992 | CHAR_TO_PIXEL_COL (f, column), | |
3993 | CHAR_TO_PIXEL_ROW (f, row), | |
ef0e360f | 3994 | &glyph, 1, highlight, 0, NULL); |
ee78dc32 GV |
3995 | } |
3996 | ||
3997 | static void | |
3998 | x_display_bar_cursor (f, on) | |
3999 | struct frame *f; | |
4000 | int on; | |
4001 | { | |
4002 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4003 | ||
4004 | /* This is pointless on invisible frames, and dangerous on garbaged | |
4005 | frames; in the latter case, the frame may be in the midst of | |
4006 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4007 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
4008 | return; | |
4009 | ||
4010 | if (! on && f->phys_cursor_x < 0) | |
4011 | return; | |
4012 | ||
ee78dc32 GV |
4013 | /* If there is anything wrong with the current cursor state, remove it. */ |
4014 | if (f->phys_cursor_x >= 0 | |
4015 | && (!on | |
4016 | || f->phys_cursor_x != curs_x | |
4017 | || f->phys_cursor_y != curs_y | |
fbd6baed | 4018 | || f->output_data.w32->current_cursor != bar_cursor)) |
ee78dc32 GV |
4019 | { |
4020 | /* Erase the cursor by redrawing the character underneath it. */ | |
4021 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4022 | f->phys_cursor_glyph, | |
4023 | current_glyphs->highlight[f->phys_cursor_y]); | |
4024 | f->phys_cursor_x = -1; | |
4025 | } | |
4026 | ||
4027 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4028 | if (on | |
4029 | && (f->phys_cursor_x < 0 | |
fbd6baed | 4030 | || (f->output_data.w32->current_cursor != bar_cursor))) |
ee78dc32 GV |
4031 | { |
4032 | f->phys_cursor_glyph | |
4033 | = ((current_glyphs->enable[curs_y] | |
4034 | && curs_x < current_glyphs->used[curs_y]) | |
4035 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4036 | : SPACEGLYPH); | |
fbd6baed | 4037 | w32_fill_area (f, NULL, f->output_data.w32->cursor_pixel, |
ee78dc32 GV |
4038 | CHAR_TO_PIXEL_COL (f, curs_x), |
4039 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
fbd6baed GV |
4040 | max (f->output_data.w32->cursor_width, 1), |
4041 | f->output_data.w32->line_height); | |
ee78dc32 GV |
4042 | |
4043 | f->phys_cursor_x = curs_x; | |
4044 | f->phys_cursor_y = curs_y; | |
4045 | ||
fbd6baed | 4046 | f->output_data.w32->current_cursor = bar_cursor; |
ee78dc32 GV |
4047 | } |
4048 | } | |
4049 | ||
4050 | ||
4051 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4052 | If ON is nonzero, where to put the cursor is specified | |
4053 | by F->cursor_x and F->cursor_y. */ | |
4054 | ||
4055 | static void | |
4056 | x_display_box_cursor (f, on) | |
4057 | struct frame *f; | |
4058 | int on; | |
4059 | { | |
4060 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4061 | ||
4062 | /* This is pointless on invisible frames, and dangerous on garbaged | |
4063 | frames; in the latter case, the frame may be in the midst of | |
4064 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4065 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
4066 | return; | |
4067 | ||
4068 | /* If cursor is off and we want it off, return quickly. */ | |
4069 | if (!on && f->phys_cursor_x < 0) | |
4070 | return; | |
4071 | ||
ee78dc32 GV |
4072 | /* If cursor is currently being shown and we don't want it to be |
4073 | or it is in the wrong place, | |
4074 | or we want a hollow box and it's not so, (pout!) | |
4075 | erase it. */ | |
4076 | if (f->phys_cursor_x >= 0 | |
4077 | && (!on | |
4078 | || f->phys_cursor_x != curs_x | |
4079 | || f->phys_cursor_y != curs_y | |
fbd6baed GV |
4080 | || (f->output_data.w32->current_cursor != hollow_box_cursor |
4081 | && (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame)))) | |
ee78dc32 GV |
4082 | { |
4083 | int mouse_face_here = 0; | |
4084 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4085 | ||
4086 | /* If the cursor is in the mouse face area, redisplay that when | |
4087 | we clear the cursor. */ | |
fbd6baed | 4088 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame |
689004fa GV |
4089 | && (f->phys_cursor_y > FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
4090 | || (f->phys_cursor_y == FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row | |
4091 | && f->phys_cursor_x >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
4092 | && (f->phys_cursor_y < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
4093 | || (f->phys_cursor_y == FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row | |
4094 | && f->phys_cursor_x < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col)) | |
ee78dc32 GV |
4095 | /* Don't redraw the cursor's spot in mouse face |
4096 | if it is at the end of a line (on a newline). | |
4097 | The cursor appears there, but mouse highlighting does not. */ | |
4098 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
4099 | mouse_face_here = 1; | |
4100 | ||
4101 | /* If the font is not as tall as a whole line, | |
4102 | we must explicitly clear the line's whole height. */ | |
fbd6baed GV |
4103 | if (FONT_HEIGHT (f->output_data.w32->font) != f->output_data.w32->line_height) |
4104 | w32_clear_area (f, NULL, | |
ee78dc32 GV |
4105 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4106 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
fbd6baed GV |
4107 | FONT_WIDTH (f->output_data.w32->font), |
4108 | f->output_data.w32->line_height); | |
ee78dc32 GV |
4109 | /* Erase the cursor by redrawing the character underneath it. */ |
4110 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4111 | f->phys_cursor_glyph, | |
4112 | (mouse_face_here | |
4113 | ? 3 | |
4114 | : current_glyphs->highlight[f->phys_cursor_y])); | |
4115 | f->phys_cursor_x = -1; | |
4116 | } | |
4117 | ||
4118 | /* If we want to show a cursor, | |
4119 | or we want a box cursor and it's not so, | |
4120 | write it in the right place. */ | |
4121 | if (on | |
4122 | && (f->phys_cursor_x < 0 | |
fbd6baed GV |
4123 | || (f->output_data.w32->current_cursor != filled_box_cursor |
4124 | && f == FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame))) | |
ee78dc32 GV |
4125 | { |
4126 | f->phys_cursor_glyph | |
4127 | = ((current_glyphs->enable[curs_y] | |
4128 | && curs_x < current_glyphs->used[curs_y]) | |
4129 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4130 | : SPACEGLYPH); | |
fbd6baed | 4131 | if (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame) |
ee78dc32 GV |
4132 | { |
4133 | x_draw_box (f); | |
fbd6baed | 4134 | f->output_data.w32->current_cursor = hollow_box_cursor; |
ee78dc32 GV |
4135 | } |
4136 | else | |
4137 | { | |
4138 | x_draw_single_glyph (f, curs_y, curs_x, | |
4139 | f->phys_cursor_glyph, 2); | |
fbd6baed | 4140 | f->output_data.w32->current_cursor = filled_box_cursor; |
ee78dc32 GV |
4141 | } |
4142 | ||
4143 | f->phys_cursor_x = curs_x; | |
4144 | f->phys_cursor_y = curs_y; | |
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 | |
4200 | = FRAME_FONT(f)->tm.tmAscent + fontp->baseline_offset; | |
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 | { | |
4450 | f->phys_cursor_x = -1; | |
4451 | f->phys_cursor_y = -1; | |
4452 | } | |
4453 | ||
689004fa GV |
4454 | /* Clear out any recollection of where the mouse highlighting was, |
4455 | since it might be in a place that's outside the new frame size. | |
4456 | Actually checking whether it is outside is a pain in the neck, | |
4457 | so don't try--just let the highlighting be done afresh with new size. */ | |
4458 | window = dpyinfo->mouse_face_window; | |
4459 | if (! NILP (window) && XFRAME (window) == f) | |
4460 | { | |
4461 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
4462 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
4463 | dpyinfo->mouse_face_window = Qnil; | |
4464 | } | |
ee78dc32 GV |
4465 | |
4466 | UNBLOCK_INPUT; | |
4467 | } | |
4468 | \f | |
4469 | /* Mouse warping. */ | |
4470 | ||
1bcd16f2 MB |
4471 | void |
4472 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4473 | struct frame *f; | |
4474 | int pix_x, pix_y; | |
4475 | { | |
689004fa GV |
4476 | RECT rect; |
4477 | POINT pt; | |
4478 | ||
1bcd16f2 MB |
4479 | BLOCK_INPUT; |
4480 | ||
689004fa GV |
4481 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
4482 | pt.x = rect.left + pix_x; | |
4483 | pt.y = rect.top + pix_y; | |
4484 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); | |
1bcd16f2 | 4485 | |
689004fa | 4486 | SetCursorPos (pt.x, pt.y); |
1bcd16f2 MB |
4487 | |
4488 | UNBLOCK_INPUT; | |
4489 | } | |
4490 | ||
ee78dc32 GV |
4491 | void |
4492 | x_set_mouse_position (f, x, y) | |
4493 | struct frame *f; | |
4494 | int x, y; | |
4495 | { | |
4496 | int pix_x, pix_y; | |
4497 | ||
fbd6baed GV |
4498 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.w32->font) / 2; |
4499 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.w32->line_height / 2; | |
ee78dc32 GV |
4500 | |
4501 | if (pix_x < 0) pix_x = 0; | |
4502 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4503 | ||
4504 | if (pix_y < 0) pix_y = 0; | |
4505 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
4506 | ||
1bcd16f2 | 4507 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
ee78dc32 GV |
4508 | } |
4509 | \f | |
4510 | /* focus shifting, raising and lowering. */ | |
4511 | ||
4512 | x_focus_on_frame (f) | |
4513 | struct frame *f; | |
4514 | { | |
689004fa GV |
4515 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
4516 | ||
4517 | /* Give input focus to frame. */ | |
4518 | BLOCK_INPUT; | |
4519 | #if 0 | |
4520 | /* Try not to change its Z-order if possible. */ | |
4521 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) | |
4522 | my_set_focus (f, FRAME_W32_WINDOW (f)); | |
4523 | else | |
4524 | #endif | |
ef0e360f | 4525 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa | 4526 | UNBLOCK_INPUT; |
ee78dc32 GV |
4527 | } |
4528 | ||
4529 | x_unfocus_frame (f) | |
4530 | struct frame *f; | |
4531 | { | |
4532 | } | |
4533 | ||
4534 | /* Raise frame F. */ | |
4535 | ||
4536 | x_raise_frame (f) | |
4537 | struct frame *f; | |
4538 | { | |
689004fa GV |
4539 | BLOCK_INPUT; |
4540 | ||
4541 | /* Strictly speaking, raise-frame should only change the frame's Z | |
4542 | order, leaving input focus unchanged. This is reasonable behaviour | |
4543 | on X where the usual policy is point-to-focus. However, this | |
4544 | behaviour would be very odd on Windows where the usual policy is | |
4545 | click-to-focus. | |
4546 | ||
4547 | On X, if the mouse happens to be over the raised frame, it gets | |
4548 | input focus anyway (so the window with focus will never be | |
4549 | completely obscured) - if not, then just moving the mouse over it | |
4550 | is sufficient to give it focus. On Windows, the user must actually | |
4551 | click on the frame (preferrably the title bar so as not to move | |
4552 | point), which is more awkward. Also, no other Windows program | |
4553 | raises a window to the top but leaves another window (possibly now | |
4554 | completely obscured) with input focus. | |
4555 | ||
4556 | Because there is a system setting on Windows that allows the user | |
4557 | to choose the point to focus policy, we make the strict semantics | |
4558 | optional, but by default we grab focus when raising. */ | |
4559 | ||
4560 | if (NILP (Vw32_grab_focus_on_raise)) | |
ee78dc32 | 4561 | { |
689004fa GV |
4562 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
4563 | not already the foreground application: the frame is raised | |
4564 | above all other frames belonging to us, but not above the | |
4565 | current top window. To achieve that, we have to resort to this | |
4566 | more cumbersome method. */ | |
4567 | ||
4568 | HDWP handle = BeginDeferWindowPos (2); | |
4569 | if (handle) | |
4570 | { | |
4571 | DeferWindowPos (handle, | |
4572 | FRAME_W32_WINDOW (f), | |
4573 | HWND_TOP, | |
4574 | 0, 0, 0, 0, | |
4575 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
4576 | ||
4577 | DeferWindowPos (handle, | |
4578 | GetForegroundWindow (), | |
4579 | FRAME_W32_WINDOW (f), | |
4580 | 0, 0, 0, 0, | |
4581 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
4582 | ||
4583 | EndDeferWindowPos (handle); | |
4584 | } | |
ee78dc32 | 4585 | } |
689004fa GV |
4586 | else |
4587 | { | |
ef0e360f | 4588 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa GV |
4589 | } |
4590 | ||
4591 | UNBLOCK_INPUT; | |
ee78dc32 GV |
4592 | } |
4593 | ||
4594 | /* Lower frame F. */ | |
4595 | ||
4596 | x_lower_frame (f) | |
4597 | struct frame *f; | |
4598 | { | |
689004fa GV |
4599 | BLOCK_INPUT; |
4600 | my_set_window_pos (FRAME_W32_WINDOW (f), | |
4601 | HWND_BOTTOM, | |
4602 | 0, 0, 0, 0, | |
4603 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
4604 | UNBLOCK_INPUT; | |
ee78dc32 GV |
4605 | } |
4606 | ||
4607 | static void | |
fbd6baed | 4608 | w32_frame_raise_lower (f, raise) |
ee78dc32 GV |
4609 | FRAME_PTR f; |
4610 | int raise; | |
4611 | { | |
4612 | if (raise) | |
4613 | x_raise_frame (f); | |
4614 | else | |
4615 | x_lower_frame (f); | |
4616 | } | |
4617 | \f | |
4618 | /* Change of visibility. */ | |
4619 | ||
4620 | /* This tries to wait until the frame is really visible. | |
4621 | However, if the window manager asks the user where to position | |
4622 | the frame, this will return before the user finishes doing that. | |
4623 | The frame will not actually be visible at that time, | |
4624 | but it will become visible later when the window manager | |
4625 | finishes with it. */ | |
4626 | ||
4627 | x_make_frame_visible (f) | |
4628 | struct frame *f; | |
4629 | { | |
4630 | BLOCK_INPUT; | |
4631 | ||
4632 | if (! FRAME_VISIBLE_P (f)) | |
4633 | { | |
4634 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
4635 | call x_set_offset a second time | |
4636 | if we get to x_make_frame_visible a second time | |
4637 | before the window gets really visible. */ | |
4638 | if (! FRAME_ICONIFIED_P (f) | |
fbd6baed | 4639 | && ! f->output_data.w32->asked_for_visible) |
fbd6baed | 4640 | x_set_offset (f, f->output_data.w32->left_pos, f->output_data.w32->top_pos, 0); |
ee78dc32 | 4641 | |
fbd6baed | 4642 | f->output_data.w32->asked_for_visible = 1; |
52cf03a1 | 4643 | |
689004fa GV |
4644 | // my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); |
4645 | my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); | |
ee78dc32 GV |
4646 | } |
4647 | ||
4648 | /* Synchronize to ensure Emacs knows the frame is visible | |
4649 | before we do anything else. We do this loop with input not blocked | |
4650 | so that incoming events are handled. */ | |
4651 | { | |
4652 | Lisp_Object frame; | |
4653 | int count = input_signal_count; | |
4654 | ||
4655 | /* This must come after we set COUNT. */ | |
4656 | UNBLOCK_INPUT; | |
4657 | ||
4658 | XSETFRAME (frame, f); | |
4659 | ||
4660 | while (1) | |
4661 | { | |
4662 | /* Once we have handled input events, | |
4663 | we should have received the MapNotify if one is coming. | |
4664 | So if we have not got it yet, stop looping. | |
4665 | Some window managers make their own decisions | |
4666 | about visibility. */ | |
4667 | if (input_signal_count != count) | |
4668 | break; | |
4669 | /* Machines that do polling rather than SIGIO have been observed | |
4670 | to go into a busy-wait here. So we'll fake an alarm signal | |
4671 | to let the handler know that there's something to be read. | |
4672 | We used to raise a real alarm, but it seems that the handler | |
4673 | isn't always enabled here. This is probably a bug. */ | |
4674 | if (input_polling_used ()) | |
4675 | { | |
4676 | /* It could be confusing if a real alarm arrives while processing | |
4677 | the fake one. Turn it off and let the handler reset it. */ | |
4678 | alarm (0); | |
96214669 | 4679 | input_poll_signal (0); |
ee78dc32 GV |
4680 | } |
4681 | /* Once we have handled input events, | |
4682 | we should have received the MapNotify if one is coming. | |
4683 | So if we have not got it yet, stop looping. | |
4684 | Some window managers make their own decisions | |
4685 | about visibility. */ | |
4686 | if (input_signal_count != count) | |
4687 | break; | |
4688 | } | |
4689 | FRAME_SAMPLE_VISIBILITY (f); | |
4690 | } | |
4691 | } | |
4692 | ||
4693 | /* Change from mapped state to withdrawn state. */ | |
4694 | ||
4695 | /* Make the frame visible (mapped and not iconified). */ | |
4696 | ||
4697 | x_make_frame_invisible (f) | |
4698 | struct frame *f; | |
4699 | { | |
4700 | Window window; | |
4701 | ||
4702 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
4703 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
4704 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
4705 | |
4706 | BLOCK_INPUT; | |
4707 | ||
689004fa | 4708 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
4709 | |
4710 | /* We can't distinguish this from iconification | |
4711 | just by the event that we get from the server. | |
4712 | So we can't win using the usual strategy of letting | |
4713 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
4714 | and synchronize with the server to make sure we agree. */ | |
4715 | f->visible = 0; | |
4716 | FRAME_ICONIFIED_P (f) = 0; | |
4717 | f->async_visible = 0; | |
4718 | f->async_iconified = 0; | |
4719 | ||
4720 | UNBLOCK_INPUT; | |
4721 | } | |
4722 | ||
4723 | /* Change window state from mapped to iconified. */ | |
4724 | ||
52cf03a1 GV |
4725 | void |
4726 | x_iconify_frame (f) | |
ee78dc32 GV |
4727 | struct frame *f; |
4728 | { | |
4729 | int result; | |
4730 | ||
4731 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
4732 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
4733 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
4734 | |
4735 | if (f->async_iconified) | |
4736 | return; | |
4737 | ||
4738 | BLOCK_INPUT; | |
4739 | ||
689004fa GV |
4740 | /* Simulate the user minimizing the frame. */ |
4741 | PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); | |
ee78dc32 GV |
4742 | |
4743 | f->async_iconified = 1; | |
4744 | ||
4745 | UNBLOCK_INPUT; | |
4746 | } | |
4747 | \f | |
4748 | /* Destroy the window of frame F. */ | |
4749 | ||
4750 | x_destroy_window (f) | |
4751 | struct frame *f; | |
4752 | { | |
fbd6baed | 4753 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
ee78dc32 GV |
4754 | |
4755 | BLOCK_INPUT; | |
4756 | ||
fbd6baed | 4757 | my_destroy_window (f, FRAME_W32_WINDOW (f)); |
ee78dc32 GV |
4758 | free_frame_menubar (f); |
4759 | free_frame_faces (f); | |
4760 | ||
fbd6baed GV |
4761 | xfree (f->output_data.w32); |
4762 | f->output_data.w32 = 0; | |
4763 | if (f == dpyinfo->w32_focus_frame) | |
4764 | dpyinfo->w32_focus_frame = 0; | |
4765 | if (f == dpyinfo->w32_focus_event_frame) | |
4766 | dpyinfo->w32_focus_event_frame = 0; | |
4767 | if (f == dpyinfo->w32_highlight_frame) | |
4768 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 GV |
4769 | |
4770 | dpyinfo->reference_count--; | |
4771 | ||
4772 | if (f == dpyinfo->mouse_face_mouse_frame) | |
4773 | { | |
4774 | dpyinfo->mouse_face_beg_row | |
4775 | = dpyinfo->mouse_face_beg_col = -1; | |
4776 | dpyinfo->mouse_face_end_row | |
4777 | = dpyinfo->mouse_face_end_col = -1; | |
4778 | dpyinfo->mouse_face_window = Qnil; | |
4779 | } | |
4780 | ||
4781 | UNBLOCK_INPUT; | |
4782 | } | |
4783 | \f | |
4784 | /* Setting window manager hints. */ | |
4785 | ||
4786 | /* Set the normal size hints for the window manager, for frame F. | |
4787 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
4788 | that the window now has. | |
4789 | If USER_POSITION is nonzero, we set the USPosition | |
4790 | flag (this is useful when FLAGS is 0). */ | |
4791 | ||
4792 | x_wm_set_size_hint (f, flags, user_position) | |
4793 | struct frame *f; | |
4794 | long flags; | |
4795 | int user_position; | |
4796 | { | |
fbd6baed | 4797 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
4798 | |
4799 | flexlines = f->height; | |
4800 | ||
97c23857 | 4801 | enter_crit (); |
ee78dc32 | 4802 | |
689004fa GV |
4803 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
4804 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); | |
4805 | SetWindowLong (window, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); | |
4806 | SetWindowLong (window, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); | |
ee78dc32 | 4807 | |
97c23857 | 4808 | leave_crit (); |
ee78dc32 GV |
4809 | } |
4810 | ||
4811 | /* Window manager things */ | |
4812 | x_wm_set_icon_position (f, icon_x, icon_y) | |
4813 | struct frame *f; | |
4814 | int icon_x, icon_y; | |
4815 | { | |
4816 | #if 0 | |
fbd6baed | 4817 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
4818 | |
4819 | f->display.x->wm_hints.flags |= IconPositionHint; | |
4820 | f->display.x->wm_hints.icon_x = icon_x; | |
4821 | f->display.x->wm_hints.icon_y = icon_y; | |
4822 | ||
4823 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
4824 | #endif | |
4825 | } | |
4826 | ||
4827 | \f | |
4828 | /* Initialization. */ | |
4829 | ||
4830 | #ifdef USE_X_TOOLKIT | |
4831 | static XrmOptionDescRec emacs_options[] = { | |
4832 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
4833 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
4834 | ||
4835 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
4836 | XrmoptionSepArg, NULL}, | |
4837 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
4838 | ||
4839 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
4840 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
4841 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
4842 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
4843 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
4844 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
4845 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
4846 | }; | |
4847 | #endif /* USE_X_TOOLKIT */ | |
4848 | ||
fbd6baed | 4849 | static int w32_initialized = 0; |
ee78dc32 | 4850 | |
fbd6baed GV |
4851 | struct w32_display_info * |
4852 | w32_term_init (display_name, xrm_option, resource_name) | |
ee78dc32 GV |
4853 | Lisp_Object display_name; |
4854 | char *xrm_option; | |
4855 | char *resource_name; | |
4856 | { | |
4857 | Lisp_Object frame; | |
4858 | char *defaultvalue; | |
fbd6baed | 4859 | struct w32_display_info *dpyinfo; |
ee78dc32 | 4860 | HDC hdc; |
97c23857 | 4861 | |
ee78dc32 GV |
4862 | BLOCK_INPUT; |
4863 | ||
fbd6baed | 4864 | if (!w32_initialized) |
ee78dc32 | 4865 | { |
fbd6baed GV |
4866 | w32_initialize (); |
4867 | w32_initialized = 1; | |
ee78dc32 GV |
4868 | } |
4869 | ||
4870 | { | |
4871 | int argc = 0; | |
4872 | char *argv[3]; | |
4873 | ||
4874 | argv[0] = ""; | |
4875 | argc = 1; | |
4876 | if (xrm_option) | |
4877 | { | |
4878 | argv[argc++] = "-xrm"; | |
4879 | argv[argc++] = xrm_option; | |
4880 | } | |
4881 | } | |
4882 | ||
fbd6baed | 4883 | dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
4884 | |
4885 | /* Put this display on the chain. */ | |
4886 | dpyinfo->next = NULL; | |
4887 | ||
fbd6baed GV |
4888 | /* Put it on w32_display_name_list as well, to keep them parallel. */ |
4889 | w32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
4890 | w32_display_name_list); | |
4891 | dpyinfo->name_list_element = XCONS (w32_display_name_list)->car; | |
97c23857 | 4892 | |
fbd6baed | 4893 | dpyinfo->w32_id_name |
ee78dc32 GV |
4894 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
4895 | + XSTRING (Vsystem_name)->size | |
4896 | + 2); | |
fbd6baed | 4897 | sprintf (dpyinfo->w32_id_name, "%s@%s", |
ee78dc32 GV |
4898 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); |
4899 | ||
4900 | #if 0 | |
4901 | xrdb = x_load_resources (dpyinfo->display, xrm_option, | |
4902 | resource_name, EMACS_CLASS); | |
4903 | ||
4904 | /* Put the rdb where we can find it in a way that works on | |
4905 | all versions. */ | |
4906 | dpyinfo->xrdb = xrdb; | |
4907 | #endif | |
52cf03a1 | 4908 | hdc = GetDC (GetDesktopWindow ()); |
ee78dc32 GV |
4909 | |
4910 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); | |
4911 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
4912 | dpyinfo->root_window = GetDesktopWindow (); | |
4913 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
4914 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
4915 | dpyinfo->height_in = GetDeviceCaps (hdc, LOGPIXELSX); | |
4916 | dpyinfo->width_in = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 4917 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
ee78dc32 GV |
4918 | dpyinfo->grabbed = 0; |
4919 | dpyinfo->reference_count = 0; | |
4920 | dpyinfo->n_fonts = 0; | |
4921 | dpyinfo->font_table_size = 0; | |
4922 | dpyinfo->bitmaps = 0; | |
4923 | dpyinfo->bitmaps_size = 0; | |
4924 | dpyinfo->bitmaps_last = 0; | |
4925 | dpyinfo->mouse_face_mouse_frame = 0; | |
4926 | dpyinfo->mouse_face_deferred_gc = 0; | |
4927 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
4928 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
4929 | dpyinfo->mouse_face_face_id = 0; | |
4930 | dpyinfo->mouse_face_window = Qnil; | |
4931 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
4932 | dpyinfo->mouse_face_defer = 0; | |
fbd6baed GV |
4933 | dpyinfo->w32_focus_frame = 0; |
4934 | dpyinfo->w32_focus_event_frame = 0; | |
4935 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 GV |
4936 | |
4937 | ReleaseDC (GetDesktopWindow (), hdc); | |
4938 | ||
52cf03a1 GV |
4939 | /* Determine if there is a middle mouse button, to allow parse_button |
4940 | to decide whether right mouse events should be mouse-2 or | |
4941 | mouse-3. */ | |
fbd6baed | 4942 | XSETINT (Vw32_num_mouse_buttons, GetSystemMetrics (SM_CMOUSEBUTTONS)); |
52cf03a1 GV |
4943 | |
4944 | /* initialise palette with white and black */ | |
4945 | { | |
4946 | COLORREF color; | |
4947 | defined_color (0, "white", &color, 1); | |
4948 | defined_color (0, "black", &color, 1); | |
4949 | } | |
4950 | ||
ee78dc32 GV |
4951 | #ifndef F_SETOWN_BUG |
4952 | #ifdef F_SETOWN | |
4953 | #ifdef F_SETOWN_SOCK_NEG | |
4954 | /* stdin is a socket here */ | |
4955 | fcntl (connection, F_SETOWN, -getpid ()); | |
4956 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
4957 | fcntl (connection, F_SETOWN, getpid ()); | |
4958 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
4959 | #endif /* ! defined (F_SETOWN) */ | |
4960 | #endif /* F_SETOWN_BUG */ | |
4961 | ||
4962 | #ifdef SIGIO | |
4963 | if (interrupt_input) | |
4964 | init_sigio (connection); | |
4965 | #endif /* ! defined (SIGIO) */ | |
4966 | ||
4967 | UNBLOCK_INPUT; | |
4968 | ||
4969 | return dpyinfo; | |
4970 | } | |
4971 | \f | |
4972 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
4973 | ||
4974 | void | |
4975 | x_delete_display (dpyinfo) | |
fbd6baed | 4976 | struct w32_display_info *dpyinfo; |
ee78dc32 | 4977 | { |
fbd6baed | 4978 | /* Discard this display from w32_display_name_list and w32_display_list. |
ee78dc32 | 4979 | We can't use Fdelq because that can quit. */ |
fbd6baed GV |
4980 | if (! NILP (w32_display_name_list) |
4981 | && EQ (XCONS (w32_display_name_list)->car, dpyinfo->name_list_element)) | |
4982 | w32_display_name_list = XCONS (w32_display_name_list)->cdr; | |
ee78dc32 GV |
4983 | else |
4984 | { | |
4985 | Lisp_Object tail; | |
4986 | ||
fbd6baed | 4987 | tail = w32_display_name_list; |
ee78dc32 GV |
4988 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) |
4989 | { | |
4990 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
4991 | dpyinfo->name_list_element)) | |
4992 | { | |
4993 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
4994 | break; | |
4995 | } | |
4996 | tail = XCONS (tail)->cdr; | |
4997 | } | |
4998 | } | |
4999 | ||
52cf03a1 GV |
5000 | /* free palette table */ |
5001 | { | |
fbd6baed | 5002 | struct w32_palette_entry * plist; |
52cf03a1 GV |
5003 | |
5004 | plist = dpyinfo->color_list; | |
5005 | while (plist) | |
5006 | { | |
fbd6baed | 5007 | struct w32_palette_entry * pentry = plist; |
52cf03a1 GV |
5008 | plist = plist->next; |
5009 | xfree(pentry); | |
5010 | } | |
5011 | dpyinfo->color_list = NULL; | |
5012 | if (dpyinfo->palette) | |
5013 | DeleteObject(dpyinfo->palette); | |
5014 | } | |
ee78dc32 | 5015 | xfree (dpyinfo->font_table); |
fbd6baed | 5016 | xfree (dpyinfo->w32_id_name); |
ee78dc32 GV |
5017 | } |
5018 | \f | |
fbd6baed | 5019 | /* Set up use of W32. */ |
ee78dc32 | 5020 | |
689004fa | 5021 | DWORD w32_msg_worker (); |
ee78dc32 | 5022 | |
fbd6baed GV |
5023 | w32_initialize () |
5024 | { | |
96214669 GV |
5025 | /* MSVC does not type K&R functions with no arguments correctly, and |
5026 | so we must explicitly cast them. */ | |
5027 | clear_frame_hook = (void (*)(void)) w32_clear_frame; | |
fbd6baed GV |
5028 | clear_end_of_line_hook = w32_clear_end_of_line; |
5029 | ins_del_lines_hook = w32_ins_del_lines; | |
5030 | change_line_highlight_hook = w32_change_line_highlight; | |
5031 | insert_glyphs_hook = w32_insert_glyphs; | |
5032 | write_glyphs_hook = w32_write_glyphs; | |
5033 | delete_glyphs_hook = w32_delete_glyphs; | |
96214669 GV |
5034 | ring_bell_hook = (void (*)(void)) w32_ring_bell; |
5035 | reset_terminal_modes_hook = (void (*)(void)) w32_reset_terminal_modes; | |
5036 | set_terminal_modes_hook = (void (*)(void)) w32_set_terminal_modes; | |
fbd6baed GV |
5037 | update_begin_hook = w32_update_begin; |
5038 | update_end_hook = w32_update_end; | |
5039 | set_terminal_window_hook = w32_set_terminal_window; | |
ee78dc32 | 5040 | read_socket_hook = w32_read_socket; |
fbd6baed GV |
5041 | frame_up_to_date_hook = w32_frame_up_to_date; |
5042 | cursor_to_hook = w32_cursor_to; | |
5043 | reassert_line_highlight_hook = w32_reassert_line_highlight; | |
5044 | mouse_position_hook = w32_mouse_position; | |
5045 | frame_rehighlight_hook = w32_frame_rehighlight; | |
5046 | frame_raise_lower_hook = w32_frame_raise_lower; | |
5047 | set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; | |
5048 | condemn_scroll_bars_hook = w32_condemn_scroll_bars; | |
5049 | redeem_scroll_bar_hook = w32_redeem_scroll_bar; | |
5050 | judge_scroll_bars_hook = w32_judge_scroll_bars; | |
ee78dc32 GV |
5051 | |
5052 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
5053 | char_ins_del_ok = 0; /* just as fast to write the line */ | |
5054 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5055 | fast_clear_end_of_line = 1; /* X does this well */ | |
5056 | memory_below_frame = 0; /* we don't remember what scrolls | |
5057 | off the bottom */ | |
5058 | baud_rate = 19200; | |
5059 | ||
689004fa GV |
5060 | /* Initialize input mode: interrupt_input off, no flow control, allow |
5061 | 8 bit character input, standard quit char. */ | |
5062 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
ee78dc32 GV |
5063 | |
5064 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
5065 | ||
5066 | init_crit (); | |
5067 | ||
5068 | dwMainThreadId = GetCurrentThreadId (); | |
5069 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
5070 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
5071 | ||
5072 | /* Wait for thread to start */ | |
5073 | ||
5074 | { | |
5075 | MSG msg; | |
5076 | ||
5077 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
5078 | ||
e9e23e23 | 5079 | hWindowsThread = CreateThread (NULL, 0, |
689004fa | 5080 | (LPTHREAD_START_ROUTINE) w32_msg_worker, |
e9e23e23 | 5081 | 0, 0, &dwWindowsThreadId); |
ee78dc32 GV |
5082 | |
5083 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
5084 | } | |
5085 | ||
52cf03a1 | 5086 | /* It is desirable that mainThread should have the same notion of |
e9e23e23 | 5087 | focus window and active window as windowsThread. Unfortunately, the |
52cf03a1 GV |
5088 | following call to AttachThreadInput, which should do precisely what |
5089 | we need, causes major problems when Emacs is linked as a console | |
5090 | program. Unfortunately, we have good reasons for doing that, so | |
e9e23e23 | 5091 | instead we need to send messages to windowsThread to make some API |
52cf03a1 GV |
5092 | calls for us (ones that affect, or depend on, the active/focus |
5093 | window state. */ | |
5094 | #ifdef ATTACH_THREADS | |
e9e23e23 | 5095 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
52cf03a1 | 5096 | #endif |
689004fa GV |
5097 | |
5098 | /* Dynamically link to optional system components. */ | |
5099 | { | |
5100 | HANDLE user_lib = LoadLibrary ("user32.dll"); | |
5101 | ||
5102 | #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn) | |
5103 | ||
5104 | /* New proportional scroll bar functions. */ | |
5105 | LOAD_PROC( SetScrollInfo ); | |
5106 | LOAD_PROC( GetScrollInfo ); | |
5107 | ||
5108 | #undef LOAD_PROC | |
5109 | ||
5110 | FreeLibrary (user_lib); | |
5111 | ||
5112 | /* If using proportional scroll bars, ensure handle is at least 5 pixels; | |
5113 | otherwise use the fixed height. */ | |
5114 | vertical_scroll_bar_min_handle = (pfnSetScrollInfo != NULL) ? 5 : | |
5115 | GetSystemMetrics (SM_CYVTHUMB); | |
5116 | ||
5117 | /* For either kind of scroll bar, take account of the arrows; these | |
5118 | effectively form the border of the main scroll bar range. */ | |
5119 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border | |
5120 | = GetSystemMetrics (SM_CYVSCROLL); | |
5121 | } | |
ee78dc32 GV |
5122 | } |
5123 | ||
5124 | void | |
fbd6baed | 5125 | syms_of_w32term () |
ee78dc32 | 5126 | { |
fbd6baed GV |
5127 | staticpro (&w32_display_name_list); |
5128 | w32_display_name_list = Qnil; | |
ee78dc32 GV |
5129 | |
5130 | staticpro (&last_mouse_scroll_bar); | |
5131 | last_mouse_scroll_bar = Qnil; | |
5132 | ||
5133 | staticpro (&Qvendor_specific_keysyms); | |
5134 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 | 5135 | |
fbd6baed GV |
5136 | DEFVAR_INT ("w32-num-mouse-buttons", |
5137 | &Vw32_num_mouse_buttons, | |
52cf03a1 | 5138 | "Number of physical mouse buttons."); |
fbd6baed | 5139 | Vw32_num_mouse_buttons = Qnil; |
52cf03a1 | 5140 | |
fbd6baed GV |
5141 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
5142 | &Vw32_swap_mouse_buttons, | |
52cf03a1 GV |
5143 | "Swap the mapping of middle and right mouse buttons.\n\ |
5144 | When nil, middle button is mouse-2 and right button is mouse-3."); | |
fbd6baed | 5145 | Vw32_swap_mouse_buttons = Qnil; |
689004fa GV |
5146 | |
5147 | DEFVAR_LISP ("w32-grab-focus-on-raise", | |
5148 | &Vw32_grab_focus_on_raise, | |
5149 | "Raised frame grabs input focus.\n\ | |
5150 | When t, `raise-frame' grabs input focus as well. This fits well\n\ | |
5151 | with the normal Windows click-to-focus policy, but might not be\n\ | |
5152 | desirable when using a point-to-focus policy."); | |
5153 | Vw32_grab_focus_on_raise = Qt; | |
5154 | ||
5155 | DEFVAR_LISP ("w32-capslock-is-shiftlock", | |
5156 | &Vw32_capslock_is_shiftlock, | |
5157 | "Apply CapsLock state to non character input keys.\n\ | |
5158 | When nil, CapsLock only affects normal character input keys."); | |
5159 | Vw32_capslock_is_shiftlock = Qnil; | |
ef0e360f GV |
5160 | |
5161 | DEFVAR_LISP ("w32-recognize-altgr", | |
5162 | &Vw32_recognize_altgr, | |
5163 | "Recognize right-alt and left-ctrl as AltGr.\n\ | |
5164 | When nil, the right-alt and left-ctrl key combination is\n\ | |
5165 | interpreted normally."); | |
5166 | Vw32_recognize_altgr = Qt; | |
cabb23bc | 5167 | DEFVAR_BOOL ("w32-no-unicode-output", |
bbdf24fa | 5168 | &w32_no_unicode_output, |
cabb23bc GV |
5169 | "Disable the use of Unicode for text output if non-nil.\n\ |
5170 | Unicode output may prevent some third party applications for displaying\n\ | |
5171 | Far-East Languages on Windows 95/98 from working properly.\n\ | |
5172 | NT uses Unicode internally anyway, so this flag will probably have no\n\ | |
5173 | affect on NT machines."); | |
5174 | w32_no_unicode_output = 0; | |
ee78dc32 | 5175 | } |