Commit | Line | Data |
---|---|---|
9da6e765 RS |
1 | /* MS-DOS specific C utilities. |
2 | Copyright (C) 1993, 1994 Free Software Foundation, Inc. | |
1b94449f RS |
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 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
9da6e765 RS |
20 | /* Contributed by Morten Welinder */ |
21 | ||
1b94449f RS |
22 | /* Note: some of the stuff here was taken from end of sysdep.c in demacs. */ |
23 | ||
48984716 | 24 | #include <config.h> |
1b94449f RS |
25 | |
26 | #ifdef MSDOS | |
27 | #include "lisp.h" | |
28 | #include <stdio.h> | |
29 | #include <stdlib.h> | |
30 | #include <sys/param.h> | |
31 | #include <sys/time.h> | |
32 | #include <dos.h> | |
33 | #include "dosfns.h" | |
34 | #include "msdos.h" | |
35 | #include "systime.h" | |
36 | #include "termhooks.h" | |
87485d6f MW |
37 | #include "dispextern.h" |
38 | #include "termopts.h" | |
1b94449f | 39 | #include "frame.h" |
87485d6f | 40 | #include "window.h" |
1b94449f RS |
41 | #include <go32.h> |
42 | #include <pc.h> | |
43 | #include <ctype.h> | |
44 | /* #include <process.h> */ | |
45 | /* Damn that local process.h! Instead we can define P_WAIT ourselves. */ | |
46 | #define P_WAIT 1 | |
47 | ||
48 | static int break_stat; /* BREAK check mode status. */ | |
49 | static int stdin_stat; /* stdin IOCTL status. */ | |
50 | static int extended_kbd; /* 101 (102) keyboard present. */ | |
51 | ||
52 | int have_mouse; /* Mouse present? */ | |
53 | static int mouse_last_x; | |
54 | static int mouse_last_y; | |
55 | ||
56 | /* Turn off Dos' Ctrl-C checking and inhibit interpretation of control chars | |
57 | by Dos. Determine the keyboard type. */ | |
58 | int | |
59 | dos_ttraw () | |
60 | { | |
61 | union REGS inregs, outregs; | |
62 | ||
63 | inregs.h.ah = 0xc0; | |
64 | int86 (0x15, &inregs, &outregs); | |
65 | extended_kbd = (!outregs.x.cflag) && (outregs.h.ah == 0); | |
66 | ||
67 | break_stat = getcbrk (); | |
68 | setcbrk (0); | |
69 | install_ctrl_break_check (); | |
49a09c76 | 70 | have_mouse = mouse_init1 (); |
1b94449f RS |
71 | |
72 | inregs.x.ax = 0x4400; /* Get IOCTL status. */ | |
73 | inregs.x.bx = 0x00; /* 0 = stdin. */ | |
74 | intdos (&inregs, &outregs); | |
75 | stdin_stat = outregs.h.dl; | |
76 | ||
77 | inregs.x.dx = (outregs.x.dx | 0x0020) & 0x0027; /* raw mode */ | |
78 | inregs.h.al = 0x01; | |
79 | intdos (&inregs, &outregs); | |
80 | return !outregs.x.cflag; | |
81 | } | |
82 | ||
83 | /* Restore status of standard input and Ctrl-C checking. */ | |
84 | int | |
85 | dos_ttcooked () | |
86 | { | |
87 | union REGS inregs, outregs; | |
88 | ||
89 | setcbrk (break_stat); | |
49a09c76 | 90 | if (have_mouse) mouse_off (); |
1b94449f RS |
91 | |
92 | inregs.x.ax = 0x4401; /* Set IOCTL status. */ | |
93 | inregs.x.bx = 0x00; /* 0 = stdin. */ | |
94 | inregs.x.dx = stdin_stat; | |
95 | intdos (&inregs, &outregs); | |
96 | return !outregs.x.cflag; | |
97 | } | |
98 | ||
99 | static unsigned short | |
100 | ibmpc_translate_map[] = | |
101 | { | |
102 | /* --------------- 00 to 0f --------------- */ | |
103 | 0, /* Ctrl Break */ | |
104 | 0xff1b, /* Escape */ | |
105 | 0xffb1, /* Keypad 1 */ | |
106 | 0xffb2, /* Keypad 2 */ | |
107 | 0xffb3, /* Keypad 3 */ | |
108 | 0xffb4, /* Keypad 4 */ | |
109 | 0xffb5, /* Keypad 5 */ | |
110 | 0xffb6, /* Keypad 6 */ | |
111 | 0xffb7, /* Keypad 7 */ | |
112 | 0xffb8, /* Keypad 8 */ | |
113 | 0xffb9, /* Keypad 9 */ | |
114 | 0xffb0, /* Keypad 0 */ | |
115 | '-', '=', | |
116 | 0xff08, /* Backspace */ | |
117 | 0xff74, /* (Shift) Tab [Tab doesn't use this table] */ | |
118 | ||
119 | /* --------------- 10 to 1f --------------- */ | |
120 | 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', | |
121 | 0xff8d, /* Keypad Enter */ | |
122 | 0, /* Ctrl */ | |
123 | 'a', 's', | |
124 | ||
125 | /* --------------- 20 to 2f --------------- */ | |
126 | 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', | |
127 | 0, /* Left shift */ | |
128 | '\\', 'z', 'x', 'c', 'v', | |
129 | ||
130 | /* --------------- 30 to 3f --------------- */ | |
131 | 'b', 'n', 'm', ',', '.', | |
132 | 0xffaf, /* Grey / */ | |
133 | 0, /* Right shift */ | |
134 | 0xffaa, /* Grey * */ | |
135 | 0, /* Alt */ | |
136 | ' ', | |
137 | 0, /* Caps Lock */ | |
138 | 0xffbe, /* F1 */ | |
139 | 0xffbf, /* F2 */ | |
140 | 0xffc0, /* F3 */ | |
141 | 0xffc1, /* F4 */ | |
142 | 0xffc2, /* F5 */ | |
143 | ||
144 | /* --------------- 40 to 4f --------------- */ | |
145 | 0xffc3, /* F6 */ | |
146 | 0xffc4, /* F7 */ | |
147 | 0xffc5, /* F8 */ | |
148 | 0xffc6, /* F9 */ | |
149 | 0xffc7, /* F10 */ | |
150 | 0, /* Num Lock */ | |
151 | 0, /* Scroll Lock */ | |
152 | 0xff50, /* Home */ | |
153 | 0xff52, /* Up */ | |
154 | 0xff55, /* Page Up */ | |
155 | 0xffad, /* Grey - */ | |
156 | 0xff51, /* Left */ | |
157 | 0xffb5, /* Keypad 5 */ | |
158 | 0xff53, /* Right */ | |
159 | 0xffab, /* Grey + */ | |
160 | 0xff57, /* End */ | |
161 | ||
162 | /* --------------- 50 to 5f --------------- */ | |
163 | 0xff54, /* Down */ | |
164 | 0xff56, /* Page Down */ | |
165 | 0xff63, /* Insert */ | |
166 | 0xffff, /* Delete */ | |
167 | 0xffbe, /* (Shift) F1 */ | |
168 | 0xffbf, /* (Shift) F2 */ | |
169 | 0xffc0, /* (Shift) F3 */ | |
170 | 0xffc1, /* (Shift) F4 */ | |
171 | 0xffc2, /* (Shift) F5 */ | |
172 | 0xffc3, /* (Shift) F6 */ | |
173 | 0xffc4, /* (Shift) F7 */ | |
174 | 0xffc5, /* (Shift) F8 */ | |
175 | 0xffc6, /* (Shift) F9 */ | |
176 | 0xffc7, /* (Shift) F10 */ | |
177 | 0xffbe, /* (Ctrl) F1 */ | |
178 | 0xffbf, /* (Ctrl) F2 */ | |
179 | ||
180 | /* --------------- 60 to 6f --------------- */ | |
181 | 0xffc0, /* (Ctrl) F3 */ | |
182 | 0xffc1, /* (Ctrl) F4 */ | |
183 | 0xffc2, /* (Ctrl) F5 */ | |
184 | 0xffc3, /* (Ctrl) F6 */ | |
185 | 0xffc4, /* (Ctrl) F7 */ | |
186 | 0xffc5, /* (Ctrl) F8 */ | |
187 | 0xffc6, /* (Ctrl) F9 */ | |
188 | 0xffc7, /* (Ctrl) F10 */ | |
189 | 0xffbe, /* (Alt) F1 */ | |
190 | 0xffbf, /* (Alt) F2 */ | |
191 | 0xffc0, /* (Alt) F3 */ | |
192 | 0xffc1, /* (Alt) F4 */ | |
193 | 0xffc2, /* (Alt) F5 */ | |
194 | 0xffc3, /* (Alt) F6 */ | |
195 | 0xffc4, /* (Alt) F7 */ | |
196 | 0xffc5, /* (Alt) F8 */ | |
197 | ||
198 | /* --------------- 70 to 7f --------------- */ | |
199 | 0xffc6, /* (Alt) F9 */ | |
200 | 0xffc7, /* (Alt) F10 */ | |
201 | 0xff6d, /* (Ctrl) Sys Rq */ | |
202 | 0xff51, /* (Ctrl) Left */ | |
203 | 0xff53, /* (Ctrl) Right */ | |
204 | 0xff57, /* (Ctrl) End */ | |
205 | 0xff56, /* (Ctrl) Page Down */ | |
206 | 0xff50, /* (Ctrl) Home */ | |
207 | '1', '2', '3', '4', '5', '6', '7', '8', /* (Alt) */ | |
208 | ||
209 | /* --------------- 80 to 8f --------------- */ | |
210 | '9', '0', '-', '=', /* (Alt) */ | |
211 | 0xff55, /* (Ctrl) Page Up */ | |
212 | 0xffc8, /* F11 */ | |
213 | 0xffc9, /* F12 */ | |
214 | 0xffc8, /* (Shift) F11 */ | |
215 | 0xffc9, /* (Shift) F12 */ | |
216 | 0xffc8, /* (Ctrl) F11 */ | |
217 | 0xffc9, /* (Ctrl) F12 */ | |
218 | 0xffc8, /* (Alt) F11 */ | |
219 | 0xffc9, /* (Alt) F12 */ | |
220 | 0xff52, /* (Ctrl) Up */ | |
221 | 0xffae, /* (Ctrl) Grey - */ | |
222 | 0xffb5, /* (Ctrl) Keypad 5 */ | |
223 | ||
224 | /* --------------- 90 to 9f --------------- */ | |
225 | 0xffab, /* (Ctrl) Grey + */ | |
226 | 0xff54, /* (Ctrl) Down */ | |
227 | 0xff63, /* (Ctrl) Insert */ | |
228 | 0xffff, /* (Ctrl) Delete */ | |
229 | 0xff09, /* (Ctrl) Tab */ | |
230 | 0xffaf, /* (Ctrl) Grey / */ | |
231 | 0xffaa, /* (Ctrl) Grey * */ | |
232 | 0xff50, /* (Alt) Home */ | |
233 | 0xff52, /* (Alt) Up */ | |
234 | 0xff55, /* (Alt) Page Up */ | |
235 | 0, /* NO KEY */ | |
236 | 0xff51, /* (Alt) Left */ | |
237 | 0, /* NO KEY */ | |
238 | 0xff53, /* (Alt) Right */ | |
239 | 0, /* NO KEY */ | |
240 | 0xff57, /* (Alt) End */ | |
241 | ||
242 | /* --------------- a0 to af --------------- */ | |
243 | 0xff54, /* (Alt) Down */ | |
244 | 0xff56, /* (Alt) Page Down */ | |
245 | 0xff63, /* (Alt) Insert */ | |
246 | 0xffff, /* (Alt) Delete */ | |
247 | 0xffaf, /* (Alt) Grey / */ | |
248 | 0xff09, /* (Alt) Tab */ | |
249 | 0xff0d /* (Alt) Enter */ | |
250 | }; | |
251 | ||
252 | /* Get a char from keyboard. Function keys are put into the event queue. */ | |
253 | static int | |
254 | dos_rawgetc () | |
255 | { | |
256 | struct input_event event; | |
257 | struct timeval tv; | |
258 | union REGS regs; | |
259 | int ctrl_p, alt_p, shift_p; | |
260 | ||
261 | /* Calculate modifier bits */ | |
262 | regs.h.ah = extended_kbd ? 0x12 : 0x02; | |
263 | int86 (0x16, ®s, ®s); | |
264 | ctrl_p = ((regs.h.al & 4) != 0); | |
265 | shift_p = ((regs.h.al & 3) != 0); | |
9da6e765 RS |
266 | /* Please be very careful here not to break international keyboard support. |
267 | When Keyb.Com is loaded, the key marked `Alt Gr' is used for accessing | |
268 | characters like { and } if their positions are overlaid. */ | |
1b94449f RS |
269 | alt_p = ((extended_kbd ? (regs.h.ah & 2) : (regs.h.al & 8)) != 0); |
270 | ||
3ec5651b RS |
271 | /* The following condition is equivalent to `kbhit ()', except that |
272 | it uses the bios to do its job. This pleases DESQview/X. */ | |
273 | while ((regs.h.ah = extended_kbd ? 0x11 : 0x01), | |
274 | int86 (0x16, ®s, ®s), | |
275 | (regs.x.flags & 0x40) == 0) | |
1b94449f RS |
276 | { |
277 | union REGS regs; | |
278 | register unsigned char c; | |
279 | int sc, code; | |
280 | ||
281 | regs.h.ah = extended_kbd ? 0x10 : 0x00; | |
282 | int86 (0x16, ®s, ®s); | |
283 | c = regs.h.al; | |
284 | sc = regs.h.ah; | |
285 | ||
286 | /* Determine from the scan code if a keypad key was pressed. */ | |
287 | if (c >= '0' && c <= '9' && sc > 0xb) | |
288 | sc = (c == '0') ? 0xb : (c - '0' + 1), c = 0; | |
9da6e765 RS |
289 | else if (sc == 0x53 && c != 0xe0) |
290 | { | |
291 | code = 0xffae; /* Keypad decimal point/comma. */ | |
292 | goto nonascii; | |
293 | } | |
1b94449f RS |
294 | else if (sc == 0xe0) |
295 | { | |
296 | switch (c) | |
297 | { | |
298 | case 10: /* Ctrl Enter */ | |
299 | case 13: | |
300 | sc = 0x1c; | |
301 | break; | |
1b94449f RS |
302 | case '/': |
303 | sc = 0x35; | |
304 | break; | |
305 | default: | |
306 | sc = 0; | |
307 | }; | |
308 | c = 0; | |
309 | } | |
310 | ||
311 | if (c == 0 | |
312 | || c == ' ' | |
313 | || alt_p | |
314 | || (ctrl_p && shift_p) | |
315 | || (c == 0xe0 && sc != 0) /* Pseudo-key */ | |
316 | || sc == 0x37 /* Grey * */ | |
317 | || sc == 0x4a /* Grey - */ | |
318 | || sc == 0x4e /* Grey + */ | |
319 | || sc == 0x0e) /* Back space *key*, not Ctrl-h */ | |
320 | { | |
321 | if (sc >= (sizeof (ibmpc_translate_map) / sizeof (short))) | |
322 | code = 0; | |
323 | else | |
324 | code = ibmpc_translate_map[sc]; | |
325 | if (code != 0) | |
326 | { | |
327 | if (code >= 0x100) | |
328 | { | |
9da6e765 | 329 | nonascii: |
1b94449f | 330 | event.kind = non_ascii_keystroke; |
49a09c76 | 331 | event.code = (code & 0xff) + 0xff00; |
1b94449f RS |
332 | } |
333 | else | |
334 | { | |
9da6e765 RS |
335 | /* Don't return S- if we don't have to. `shifted' is |
336 | supposed to be the shifted versions of the characters | |
337 | in `unshifted'. Unfortunately, this is only true for | |
338 | US keyboard layout. If anyone knows how to do this | |
339 | right, please tell us. */ | |
340 | static char *unshifted | |
341 | = "abcdefghijklmnopqrstuvwxyz,./=;[\\]'-`0123456789"; | |
342 | static char *shifted | |
343 | = "ABCDEFGHIJKLMNOPQRSTUVWXYZ<>?+:{|}\"_~)!@#$%^&*("; | |
344 | char *pos; | |
345 | ||
346 | if (shift_p && (pos = strchr (unshifted, code))) | |
1b94449f | 347 | { |
9da6e765 | 348 | c = shifted[pos - unshifted]; |
1b94449f RS |
349 | shift_p = 0; |
350 | } | |
351 | else | |
352 | if (c == 0) c = code; | |
353 | event.kind = ascii_keystroke; | |
354 | event.code = c; | |
355 | } | |
356 | event.modifiers | |
9da6e765 RS |
357 | = (shift_p ? shift_modifier : 0) |
358 | + (ctrl_p ? ctrl_modifier : 0) | |
359 | + (alt_p ? meta_modifier : 0); | |
1b94449f | 360 | /* EMACS == Enter Meta Alt Control Shift */ |
87485d6f | 361 | XSETFRAME (event.frame_or_window, selected_frame); |
1b94449f RS |
362 | gettimeofday (&tv, NULL); |
363 | event.timestamp = tv.tv_usec; | |
364 | kbd_buffer_store_event (&event); | |
365 | } | |
366 | } else | |
367 | return c; | |
368 | } | |
369 | ||
370 | if (have_mouse) | |
371 | { | |
372 | int but, press, x, y, ok; | |
373 | ||
374 | /* Check for mouse movement *before* buttons. */ | |
49a09c76 | 375 | mouse_check_moved (); |
1b94449f RS |
376 | |
377 | for (but = 0; but < NUM_MOUSE_BUTTONS; but++) | |
378 | for (press = 0; press < 2; press++) | |
379 | { | |
380 | if (press) | |
49a09c76 | 381 | ok = mouse_pressed (but, &x, &y); |
1b94449f | 382 | else |
49a09c76 | 383 | ok = mouse_released (but, &x, &y); |
1b94449f RS |
384 | if (ok) |
385 | { | |
386 | event.kind = mouse_click; | |
387 | event.code = but; | |
388 | event.modifiers | |
9da6e765 RS |
389 | = (shift_p ? shift_modifier : 0) |
390 | + (ctrl_p ? ctrl_modifier : 0) | |
391 | + (alt_p ? meta_modifier : 0) | |
392 | + (press ? down_modifier : up_modifier); | |
1b94449f RS |
393 | event.x = x; |
394 | event.y = y; | |
87485d6f | 395 | XSETFRAME (event.frame_or_window, selected_frame); |
1b94449f RS |
396 | gettimeofday (&tv, NULL); |
397 | event.timestamp = tv.tv_usec; | |
398 | kbd_buffer_store_event (&event); | |
399 | } | |
400 | } | |
401 | } | |
402 | ||
403 | return -1; | |
404 | } | |
405 | ||
406 | static int prev_get_char = -1; | |
407 | ||
408 | /* Return 1 if a key is ready to be read without suspending execution. */ | |
409 | dos_keysns () | |
410 | { | |
411 | if (prev_get_char != -1) | |
412 | return 1; | |
413 | else | |
414 | return ((prev_get_char = dos_rawgetc ()) != -1); | |
415 | } | |
416 | ||
417 | /* Read a key. Return -1 if no key is ready. */ | |
418 | dos_keyread () | |
419 | { | |
420 | if (prev_get_char != -1) | |
421 | { | |
422 | int c = prev_get_char; | |
423 | prev_get_char = -1; | |
424 | return c; | |
425 | } | |
426 | else | |
427 | return dos_rawgetc (); | |
428 | } | |
429 | ||
430 | /* Hostnames for a pc are not really funny, but they are used in change log | |
431 | so we emulate the best we can. */ | |
432 | gethostname (p, size) | |
433 | char *p; | |
434 | int size; | |
435 | { | |
436 | char *q = egetenv ("HOSTNAME"); | |
437 | ||
438 | if (!q) q = "pc"; | |
439 | strcpy (p, q); | |
440 | return 0; | |
441 | } | |
442 | ||
443 | /* Destructively turn backslashes into slashes. */ | |
444 | void | |
445 | dostounix_filename (p) | |
446 | register char *p; | |
447 | { | |
448 | while (*p) | |
449 | { | |
450 | if (*p == '\\') | |
451 | *p = '/'; | |
452 | p++; | |
453 | } | |
454 | } | |
455 | ||
456 | /* Destructively turn slashes into backslashes. */ | |
457 | void | |
458 | unixtodos_filename (p) | |
459 | register char *p; | |
460 | { | |
461 | while (*p) | |
462 | { | |
463 | if (*p == '/') | |
464 | *p = '\\'; | |
465 | p++; | |
466 | } | |
467 | } | |
468 | ||
469 | /* Get the default directory for a given drive. 0=def, 1=A, 2=B, ... */ | |
470 | int | |
471 | getdefdir (drive, dst) | |
472 | int drive; | |
473 | char *dst; | |
474 | { | |
475 | union REGS regs; | |
476 | ||
477 | *dst++ = '/'; | |
478 | regs.h.dl = drive; | |
479 | regs.x.si = (int) dst; | |
480 | regs.h.ah = 0x47; | |
481 | intdos (®s, ®s); | |
482 | return !regs.x.cflag; | |
483 | } | |
484 | ||
485 | /* Remove all CR's that are followed by a LF. */ | |
486 | int | |
487 | crlf_to_lf (n, buf) | |
488 | register int n; | |
489 | register unsigned char *buf; | |
490 | { | |
491 | unsigned char *np = buf; | |
492 | unsigned char *startp = buf; | |
493 | unsigned char *endp = buf + n; | |
494 | unsigned char c; | |
495 | ||
496 | if (n == 0) | |
497 | return n; | |
3d4ad6e0 | 498 | while (buf < endp - 1) |
1b94449f RS |
499 | { |
500 | if (*buf == 0x0d) | |
501 | { | |
502 | if (*(++buf) != 0x0a) | |
503 | *np++ = 0x0d; | |
504 | } | |
505 | else | |
506 | *np++ = *buf++; | |
507 | } | |
3d4ad6e0 RS |
508 | if (buf < endp) |
509 | *np++ = *buf++; | |
1b94449f RS |
510 | return np - startp; |
511 | } | |
512 | ||
513 | ||
514 | /* Run command as specified by ARGV in directory DIR. | |
515 | The command is run with input from TEMPIN and output to file TEMPOUT. */ | |
516 | int | |
517 | run_msdos_command (argv, dir, tempin, tempout) | |
518 | unsigned char **argv; | |
519 | Lisp_Object dir; | |
520 | int tempin, tempout; | |
521 | { | |
522 | char *saveargv1, *saveargv2, **envv; | |
523 | char oldwd[MAXPATHLEN + 1]; /* Fixed size is safe on MSDOS. */ | |
524 | int msshell, result = -1; | |
525 | int in, out, inbak, outbak, errbak; | |
526 | Lisp_Object cmd; | |
527 | ||
528 | /* Get current directory as MSDOS cwd is not per-process. */ | |
529 | getwd (oldwd); | |
530 | ||
531 | cmd = Ffile_name_nondirectory (build_string (argv[0])); | |
532 | msshell = !NILP (Fmember (cmd, Fsymbol_value (intern ("msdos-shells")))) | |
533 | && !strcmp ("-c", argv[1]); | |
534 | if (msshell) | |
535 | { | |
536 | saveargv1 = argv[1]; | |
647c32eb | 537 | saveargv2 = argv[2]; |
1b94449f RS |
538 | argv[1] = "/c"; |
539 | if (argv[2]) | |
540 | { | |
647c32eb KH |
541 | char *p = alloca (strlen (argv[2]) + 1); |
542 | ||
543 | strcpy (argv[2] = p, saveargv2); | |
544 | while (*p && isspace (*p)) | |
545 | p++; | |
546 | while (*p && !isspace (*p)) | |
547 | if (*p == '/') | |
548 | *p++ = '\\'; | |
549 | else | |
550 | p++; | |
1b94449f RS |
551 | } |
552 | } | |
553 | ||
554 | /* Build the environment array. */ | |
555 | { | |
556 | extern Lisp_Object Vprocess_environment; | |
091d0bdf KH |
557 | Lisp_Object tmp, lst; |
558 | int i, len; | |
559 | ||
560 | lst = Vprocess_environment; | |
561 | len = XFASTINT (Flength (lst)); | |
1b94449f RS |
562 | |
563 | envv = alloca ((len + 1) * sizeof (char *)); | |
564 | for (i = 0; i < len; i++) | |
565 | { | |
566 | tmp = Fcar (lst); | |
567 | lst = Fcdr (lst); | |
568 | CHECK_STRING (tmp, 0); | |
569 | envv[i] = alloca (XSTRING (tmp)->size + 1); | |
570 | strcpy (envv[i], XSTRING (tmp)->data); | |
571 | } | |
572 | envv[len] = (char *) 0; | |
573 | } | |
574 | ||
30d0f552 | 575 | if (STRINGP (dir)) |
1b94449f RS |
576 | chdir (XSTRING (dir)->data); |
577 | inbak = dup (0); | |
578 | outbak = dup (1); | |
579 | errbak = dup (2); | |
580 | if (inbak < 0 || outbak < 0 || errbak < 0) | |
581 | goto done; /* Allocation might fail due to lack of descriptors. */ | |
582 | dup2 (tempin, 0); | |
583 | dup2 (tempout, 1); | |
584 | dup2 (tempout, 2); | |
585 | dos_ttcooked (); | |
586 | result = spawnve (P_WAIT, argv[0], argv, envv); | |
587 | dos_ttraw (); | |
588 | dup2 (inbak, 0); | |
589 | dup2 (outbak, 1); | |
590 | dup2 (errbak, 2); | |
591 | ||
592 | done: | |
593 | chdir (oldwd); | |
594 | if (msshell) | |
595 | { | |
596 | argv[1] = saveargv1; | |
647c32eb | 597 | argv[2] = saveargv2; |
1b94449f RS |
598 | } |
599 | return result; | |
600 | } | |
601 | ||
602 | ||
603 | croak (badfunc) | |
604 | char *badfunc; | |
605 | { | |
606 | fprintf (stderr, "%s not yet implemented\r\n", badfunc); | |
607 | reset_sys_modes (); | |
608 | exit (1); | |
609 | } | |
610 | ||
611 | /* A list of unimplemented functions that we silently ignore. */ | |
612 | unsigned alarm (s) unsigned s; {} | |
613 | fork () { return 0; } | |
614 | int kill (x, y) int x, y; { return -1; } | |
615 | nice (p) int p; {} | |
616 | void volatile pause () {} | |
617 | request_sigio () {} | |
618 | setpgrp () {return 0; } | |
619 | setpriority (x,y,z) int x,y,z; { return 0; } | |
620 | sigsetmask (x) int x; { return 0; } | |
621 | unrequest_sigio () {} | |
622 | ||
623 | #ifdef chdir | |
624 | #undef chdir | |
625 | #endif | |
626 | ||
627 | int | |
628 | sys_chdir (path) | |
629 | const char* path; | |
630 | { | |
631 | int len = strlen (path); | |
632 | char *tmp = (char *) alloca (len + 1); | |
633 | /* Gotta do this extern here due to the corresponding #define: */ | |
634 | extern int chdir (); | |
635 | ||
636 | if (*path && path[1] == ':' && (getdisk () != tolower (path[0]) - 'a')) | |
637 | setdisk (tolower (path[0]) - 'a'); | |
638 | ||
639 | strcpy (tmp, path); | |
640 | if (strcmp (path, "/") && strcmp (path + 1, ":/") && (path[len - 1] == '/')) | |
641 | tmp[len - 1] = 0; | |
642 | return chdir (tmp); | |
643 | } | |
644 | ||
645 | /* Sleep SECS. If KBDOK also return immediately if a key is pressed. */ | |
646 | void | |
647 | sleep_or_kbd_hit (secs, kbdok) | |
648 | int secs, kbdok; | |
649 | { | |
650 | long clnow, clthen; | |
651 | struct timeval t; | |
652 | ||
653 | gettimeofday (&t, NULL); | |
654 | clnow = t.tv_sec * 100 + t.tv_usec / 10000; | |
655 | clthen = clnow + (100 * secs); | |
656 | ||
657 | do | |
658 | { | |
659 | gettimeofday (&t, NULL); | |
660 | clnow = t.tv_sec * 100 + t.tv_usec / 10000; | |
661 | if (kbdok && detect_input_pending ()) | |
662 | return; | |
663 | } | |
664 | while (clnow < clthen); | |
665 | } | |
666 | ||
88b28483 RS |
667 | /* The Emacs root directory as determined by init_environment. */ |
668 | static char emacsroot[MAXPATHLEN]; | |
669 | ||
670 | char * | |
671 | rootrelativepath (rel) | |
672 | char *rel; | |
673 | { | |
674 | static char result[MAXPATHLEN + 10]; | |
675 | ||
676 | strcpy (result, emacsroot); | |
677 | strcat (result, "/"); | |
678 | strcat (result, rel); | |
679 | return result; | |
680 | } | |
681 | ||
1b94449f RS |
682 | /* Define a lot of environment variables if not already defined. Don't |
683 | remove anything unless you know what you're doing -- lots of code will | |
684 | break if one or more of these are missing. */ | |
685 | void | |
686 | init_environment (argc, argv, skip_args) | |
687 | int argc; | |
688 | char **argv; | |
689 | int skip_args; | |
690 | { | |
88b28483 RS |
691 | char *s, *t, *root; |
692 | int len; | |
693 | ||
694 | /* Find our root from argv[0]. Assuming argv[0] is, say, | |
695 | "c:/emacs/bin/emacs.exe" our root will be "c:/emacs". */ | |
87485d6f MW |
696 | _fixpath (argv[0], root = alloca (MAXPATHLEN + 20)); |
697 | strlwr (root); | |
698 | len = strlen (root); | |
88b28483 RS |
699 | while (len > 0 && root[len] != '/' && root[len] != ':') |
700 | len--; | |
701 | root[len] = '\0'; | |
702 | if (len > 4 && strcmp (root + len - 4, "/bin") == 0) | |
703 | root[len - 4] = '\0'; | |
1b94449f | 704 | else |
88b28483 RS |
705 | strcpy (root, "c:/emacs"); /* Only under debuggers, I think. */ |
706 | len = strlen (root); | |
707 | strcpy (emacsroot, root); | |
708 | ||
709 | /* We default HOME to our root. */ | |
710 | setenv ("HOME", root, 0); | |
711 | ||
712 | /* We default EMACSPATH to root + "/bin". */ | |
713 | strcpy (root + len, "/bin"); | |
714 | setenv ("EMACSPATH", root, 0); | |
1b94449f RS |
715 | |
716 | /* I don't expect anybody to ever use other terminals so the internal | |
717 | terminal is the default. */ | |
718 | setenv ("TERM", "internal", 0); | |
719 | ||
87485d6f MW |
720 | #ifdef HAVE_X_WINDOWS |
721 | /* Emacs expects DISPLAY to be set. */ | |
722 | setenv ("DISPLAY", "unix:0.0", 0); | |
723 | #endif | |
724 | ||
1b94449f RS |
725 | /* SHELL is a bit tricky -- COMSPEC is the closest we come, but we must |
726 | downcase it and mirror the backslashes. */ | |
727 | s = getenv ("COMSPEC"); | |
728 | if (!s) s = "c:/command.com"; | |
729 | t = alloca (strlen (s) + 1); | |
730 | strcpy (t, s); | |
731 | strlwr (t); | |
732 | dostounix_filename (t); | |
733 | setenv ("SHELL", t, 0); | |
734 | ||
735 | /* PATH is also downcased and backslashes mirrored. */ | |
736 | s = getenv ("PATH"); | |
737 | if (!s) s = ""; | |
738 | t = alloca (strlen (s) + 3); | |
739 | /* Current directory is always considered part of MsDos's path but it is | |
740 | not normally mentioned. Now it is. */ | |
741 | strcat (strcpy (t, ".;"), s); | |
742 | strlwr (t); | |
743 | dostounix_filename (t); /* Not a single file name, but this should work. */ | |
744 | setenv ("PATH", t, 1); | |
745 | ||
746 | /* In some sense all dos users have root privileges, so... */ | |
747 | setenv ("USER", "root", 0); | |
748 | setenv ("NAME", getenv ("USER"), 0); | |
749 | ||
750 | /* Time zone determined from country code. To make this possible, the | |
751 | country code may not span more than one time zone. In other words, | |
752 | in the USA, you lose. */ | |
753 | switch (dos_country_code) | |
754 | { | |
755 | case 31: /* Belgium */ | |
756 | case 32: /* The Netherlands */ | |
757 | case 33: /* France */ | |
758 | case 34: /* Spain */ | |
759 | case 36: /* Hungary */ | |
760 | case 38: /* Yugoslavia (or what's left of it?) */ | |
761 | case 39: /* Italy */ | |
762 | case 41: /* Switzerland */ | |
763 | case 42: /* Tjekia */ | |
764 | case 45: /* Denmark */ | |
765 | case 46: /* Sweden */ | |
766 | case 47: /* Norway */ | |
767 | case 48: /* Poland */ | |
768 | case 49: /* Germany */ | |
769 | /* Daylight saving from last Sunday in March to last Sunday in | |
770 | September, both at 2AM. */ | |
771 | setenv ("TZ", "MET-01METDST-02,M3.5.0/02:00,M9.5.0/02:00", 0); | |
772 | break; | |
773 | case 44: /* United Kingdom */ | |
774 | case 351: /* Portugal */ | |
775 | case 354: /* Iceland */ | |
776 | setenv ("TZ", "GMT+00", 0); | |
777 | break; | |
778 | case 81: /* Japan */ | |
779 | case 82: /* Korea */ | |
780 | setenv ("TZ", "???-09", 0); | |
781 | break; | |
782 | case 90: /* Turkey */ | |
783 | case 358: /* Finland */ | |
784 | case 972: /* Israel */ | |
785 | setenv ("TZ", "EET-02", 0); | |
786 | break; | |
787 | } | |
788 | tzset (); | |
b278e52a | 789 | init_gettimeofday (); |
1b94449f RS |
790 | } |
791 | ||
792 | /* Flash the screen as a substitute for BEEPs. */ | |
793 | ||
49a09c76 | 794 | static void |
fcea9cd4 | 795 | do_visible_bell (xorattr) |
1b94449f RS |
796 | unsigned char xorattr; |
797 | { | |
49a09c76 | 798 | asm volatile |
ca986694 | 799 | (" movb $1,%%dl |
1b94449f | 800 | visible_bell_0: |
ca986694 | 801 | movl _ScreenPrimary,%%eax |
49a09c76 | 802 | call dosmemsetup |
ca986694 RS |
803 | movl %%eax,%%ebx |
804 | movl %1,%%ecx | |
805 | movb %0,%%al | |
806 | incl %%ebx | |
1b94449f | 807 | visible_bell_1: |
ca986694 RS |
808 | xorb %%al,%%gs:(%%ebx) |
809 | addl $2,%%ebx | |
810 | decl %%ecx | |
49a09c76 | 811 | jne visible_bell_1 |
ca986694 | 812 | decb %%dl |
49a09c76 | 813 | jne visible_bell_3 |
1b94449f | 814 | visible_bell_2: |
ca986694 RS |
815 | movzwl %%ax,%%eax |
816 | movzwl %%ax,%%eax | |
817 | movzwl %%ax,%%eax | |
818 | movzwl %%ax,%%eax | |
819 | decw %%cx | |
49a09c76 RS |
820 | jne visible_bell_2 |
821 | jmp visible_bell_0 | |
ca986694 RS |
822 | visible_bell_3:" |
823 | : /* no output */ | |
824 | : "m" (xorattr), "g" (ScreenCols () * ScreenRows ()) | |
825 | : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx"); | |
1b94449f RS |
826 | } |
827 | ||
09e2ac30 RS |
828 | /* At screen position (X,Y), output C characters from string S with |
829 | attribute A. Do it fast! */ | |
830 | ||
831 | static void | |
832 | output_string (x, y, s, c, a) | |
833 | int x, y, c; | |
834 | unsigned char *s; | |
835 | unsigned char a; | |
836 | { | |
837 | char *t = (char *)ScreenPrimary + 2 * (x + ScreenCols () * y); | |
838 | asm volatile | |
839 | (" movl %1,%%eax | |
840 | call dosmemsetup | |
841 | movl %%eax,%%edi | |
842 | movb %0,%%ah | |
843 | movl %2,%%ecx | |
844 | movl %3,%%esi | |
845 | output_string1: | |
846 | movb (%%esi),%%al | |
847 | movw %%ax,%%gs:(%%edi) | |
848 | addl $2,%%edi | |
849 | incl %%esi | |
850 | decl %%ecx | |
851 | jne output_string1" | |
852 | : /* no output */ | |
853 | : "m" (a), "g" (t), "g" (c), "g" (s) | |
854 | : "%eax", "%ecx", /* "%gs",*/ "%esi", "%edi"); | |
855 | } | |
856 | ||
1b94449f | 857 | static int internal_terminal = 0; |
87485d6f MW |
858 | static int highlight; |
859 | ||
1b94449f RS |
860 | #undef fflush |
861 | ||
862 | int | |
863 | internal_flush (f) | |
864 | FILE *f; | |
865 | { | |
09e2ac30 | 866 | static char spaces[] = " "; |
1b94449f RS |
867 | static int x; |
868 | static int y; | |
09e2ac30 RS |
869 | unsigned char *cp, *cp0; |
870 | int count, i, j; | |
1b94449f RS |
871 | |
872 | if (internal_terminal && f == stdout) | |
873 | { | |
49a09c76 | 874 | if (have_mouse) mouse_off (); |
1b94449f RS |
875 | cp = stdout->_base; |
876 | count = stdout->_ptr - stdout->_base; | |
877 | while (count > 0) | |
878 | { | |
09e2ac30 | 879 | switch (*cp++) |
1b94449f RS |
880 | { |
881 | case 27: | |
882 | switch (*cp++) | |
883 | { | |
884 | case '@': | |
885 | y = *cp++; | |
886 | x = *cp++; | |
887 | count -= 4; | |
888 | break; | |
889 | case 'A': | |
890 | ScreenAttrib = *cp++; | |
891 | count -= 3; | |
892 | break; | |
893 | case 'B': | |
fcea9cd4 | 894 | do_visible_bell (*cp++); |
1b94449f RS |
895 | count -= 3; |
896 | break; | |
897 | case 'C': | |
898 | ScreenClear (); | |
899 | x = y = 0; | |
900 | count -= 2; | |
901 | break; | |
902 | case 'E': | |
09e2ac30 RS |
903 | i = ScreenCols () - x; |
904 | j = x; | |
905 | while (i >= sizeof spaces) | |
906 | { | |
907 | output_string (j, y, spaces, sizeof spaces, | |
908 | ScreenAttrib); | |
909 | j += sizeof spaces; | |
910 | i -= sizeof spaces; | |
911 | } | |
912 | if (i > 0) | |
913 | output_string (j, y, spaces, i, ScreenAttrib); | |
1b94449f RS |
914 | count -= 2; |
915 | break; | |
916 | case 'R': | |
917 | x++; | |
918 | count -= 2; | |
919 | break; | |
920 | case 'U': | |
921 | y--; | |
922 | count -= 2; | |
923 | break; | |
924 | case 'X': | |
925 | ScreenAttrib ^= *cp++; | |
926 | count -= 3; | |
927 | break; | |
928 | default: | |
929 | count -= 2; | |
930 | } | |
931 | break; | |
fcea9cd4 RS |
932 | case 7: |
933 | write (1, "\007", 1); | |
934 | count--; | |
935 | break; | |
1b94449f RS |
936 | case 8: |
937 | x--; | |
938 | count--; | |
939 | break; | |
940 | case 13: | |
941 | x = 0; | |
942 | count--; | |
943 | break; | |
944 | case 10: | |
945 | y++; | |
946 | count--; | |
947 | break; | |
948 | default: | |
09e2ac30 | 949 | cp0 = cp - 1; |
1b94449f | 950 | count--; |
09e2ac30 RS |
951 | while (count > 0 && *cp >= ' ') |
952 | cp++, count--; | |
953 | output_string (x, y, cp0, cp - cp0, ScreenAttrib); | |
954 | x += (cp - cp0); | |
1b94449f RS |
955 | } |
956 | } | |
957 | fpurge (stdout); | |
958 | ScreenSetCursor (y, x); | |
49a09c76 | 959 | if (have_mouse) mouse_on (); |
1b94449f RS |
960 | } |
961 | else | |
962 | /* This is a call to the original fflush. */ | |
963 | fflush (f); | |
964 | } | |
965 | ||
87485d6f MW |
966 | #ifndef HAVE_X_WINDOWS |
967 | static void | |
968 | rien_du_tout () | |
969 | { | |
970 | /* Rien du tout, cela va sans dire! */ | |
971 | } | |
972 | ||
973 | static | |
974 | IT_ring_bell () | |
975 | { | |
976 | if (visible_bell) | |
977 | { | |
978 | /* This creates an xor-mask that will swap the default fore- and | |
979 | background colors. */ | |
980 | if (have_mouse) mouse_off (); | |
981 | do_visible_bell (((the_only_x_display.foreground_pixel | |
982 | ^ the_only_x_display.background_pixel) | |
983 | * 0x11) & 0x7f); | |
984 | if (have_mouse) mouse_on (); | |
985 | } | |
986 | else | |
987 | /* Write it directly to ms-dos -- don't let it go through our terminal | |
988 | emulator. This way the mouse cursor won't blink. */ | |
989 | write (1, "\007", 1); | |
990 | } | |
991 | ||
992 | static void | |
993 | IT_set_face (int face) | |
994 | { | |
995 | struct face *fp; | |
996 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); | |
997 | ||
998 | if (face == 1 || (face == 0 && highlight)) | |
999 | fp = FRAME_MODE_LINE_FACE (foo); | |
1000 | else if (face <= 0 || face >= FRAME_N_COMPUTED_FACES (foo)) | |
1001 | fp = FRAME_DEFAULT_FACE (foo); | |
1002 | else | |
1003 | fp = intern_face (selected_frame, FRAME_COMPUTED_FACES (foo)[face]); | |
1004 | putchar ('\e'); | |
1005 | putchar ('A'); | |
1006 | putchar ((FACE_BACKGROUND (fp) << 4) | FACE_FOREGROUND (fp)); | |
1007 | } | |
1008 | ||
1009 | static | |
1010 | IT_write_glyphs (GLYPH *str, int len) | |
1011 | { | |
1012 | int face = -1; | |
1013 | int newface; | |
1014 | ||
1015 | while (len > 0) | |
1016 | { | |
1017 | newface = FAST_GLYPH_FACE (*str); | |
1018 | if (newface != face) | |
1019 | IT_set_face ((face = newface)); | |
1020 | putchar (FAST_GLYPH_CHAR (*str)); | |
1021 | str++, len--; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | static | |
1026 | IT_clear_end_of_line (first_unused) | |
1027 | { | |
1028 | putchar ('\e'); | |
1029 | putchar ('E'); | |
1030 | } | |
1031 | ||
1032 | static | |
1033 | IT_cursor_to (int y, int x) | |
1034 | { | |
1035 | putchar ('\e'); | |
1036 | putchar ('@'); | |
1037 | putchar (y); | |
1038 | putchar (x); | |
1039 | } | |
1040 | ||
1041 | IT_reassert_line_highlight (new, vpos) | |
1042 | int new, vpos; | |
1043 | { | |
1044 | highlight = new; | |
1045 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
1046 | } | |
1047 | ||
1048 | static | |
1049 | IT_change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
1050 | { | |
1051 | highlight = new_highlight; | |
1052 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
1053 | IT_cursor_to (vpos, 0); | |
1054 | IT_clear_end_of_line (first_unused_hpos); | |
1055 | } | |
1056 | ||
1057 | static | |
1058 | IT_update_begin () | |
1059 | { | |
1060 | highlight = 0; | |
1061 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
1062 | } | |
1063 | ||
1064 | /* This was more or less copied from xterm.c */ | |
1065 | static void | |
1066 | IT_set_menu_bar_lines (window, n) | |
1067 | Lisp_Object window; | |
1068 | int n; | |
1069 | { | |
1070 | struct window *w = XWINDOW (window); | |
1071 | ||
1072 | XSETFASTINT (w->top, XFASTINT (w->top) + n); | |
1073 | XSETFASTINT (w->height, XFASTINT (w->height) - n); | |
1074 | ||
1075 | /* Handle just the top child in a vertical split. */ | |
1076 | if (!NILP (w->vchild)) | |
1077 | IT_set_menu_bar_lines (w->vchild, n); | |
1078 | ||
1079 | /* Adjust all children in a horizontal split. */ | |
1080 | for (window = w->hchild; !NILP (window); window = w->next) | |
1081 | { | |
1082 | w = XWINDOW (window); | |
1083 | IT_set_menu_bar_lines (window, n); | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | void | |
1088 | IT_set_frame_parameters (frame, alist) | |
1089 | FRAME_PTR frame; | |
1090 | Lisp_Object alist; | |
1091 | { | |
1092 | Lisp_Object tail; | |
1093 | int redraw; | |
1094 | extern unsigned long load_color (); | |
1095 | FRAME_PTR f = (FRAME_PTR) &the_only_frame; | |
1096 | ||
1097 | redraw = 0; | |
1098 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) | |
1099 | { | |
1100 | Lisp_Object elt, prop, val; | |
1101 | ||
1102 | elt = Fcar (tail); | |
1103 | prop = Fcar (elt); | |
1104 | val = Fcdr (elt); | |
1105 | CHECK_SYMBOL (prop, 1); | |
1106 | ||
1107 | if (EQ (prop, intern ("foreground-color"))) | |
1108 | { | |
1109 | unsigned long new_color = load_color (f, val); | |
1110 | if (new_color != ~0) | |
1111 | { | |
1112 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
1113 | redraw = 1; | |
1114 | } | |
1115 | } | |
1116 | else if (EQ (prop, intern ("background-color"))) | |
1117 | { | |
1118 | unsigned long new_color = load_color (f, val); | |
1119 | if (new_color != ~0) | |
1120 | { | |
1121 | FRAME_BACKGROUND_PIXEL (f) = new_color & ~8; | |
1122 | redraw = 1; | |
1123 | } | |
1124 | } | |
1125 | else if (EQ (prop, intern ("menu-bar-lines"))) | |
1126 | { | |
1127 | int new; | |
1128 | int old = FRAME_MENU_BAR_LINES (the_only_frame); | |
1129 | ||
1130 | if (INTEGERP (val)) | |
1131 | new = XINT (val); | |
1132 | else | |
1133 | new = 0; | |
1134 | FRAME_MENU_BAR_LINES (f) = new; | |
1135 | IT_set_menu_bar_lines (the_only_frame.root_window, new - old); | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | if (redraw) | |
1140 | { | |
1141 | recompute_basic_faces (f); | |
1142 | Fredraw_frame (Fselected_frame ()); | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | /* Similar to the_only_frame. */ | |
1147 | struct x_display the_only_x_display; | |
1148 | ||
1149 | /* This is never dereferenced. */ | |
1150 | Display *x_current_display; | |
1151 | ||
1152 | #endif /* !HAVE_X_WINDOWS */ | |
1153 | ||
1b94449f RS |
1154 | /* Do we need the internal terminal? */ |
1155 | void | |
1156 | internal_terminal_init () | |
1157 | { | |
1158 | char *term = getenv ("TERM"); | |
1159 | ||
87485d6f MW |
1160 | #ifdef HAVE_X_WINDOWS |
1161 | if (!inhibit_window_system) | |
1162 | return; | |
1163 | #endif | |
1164 | ||
1b94449f RS |
1165 | internal_terminal |
1166 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
87485d6f MW |
1167 | |
1168 | #ifndef HAVE_X_WINDOWS | |
1169 | if (internal_terminal && !inhibit_window_system) | |
1170 | { | |
1171 | Vwindow_system = intern ("pc"); | |
1172 | Vwindow_system_version = make_number (1); | |
1173 | ||
1174 | bzero (&the_only_x_display, sizeof the_only_x_display); | |
1175 | the_only_x_display.background_pixel = 7; /* White */ | |
1176 | the_only_x_display.foreground_pixel = 0; /* Black */ | |
1177 | the_only_x_display.line_height = 1; | |
1178 | the_only_frame.display.x = &the_only_x_display; | |
1179 | the_only_frame.output_method = output_msdos_raw; | |
1180 | ||
1181 | init_frame_faces ((FRAME_PTR) &the_only_frame); | |
1182 | ||
1183 | ring_bell_hook = IT_ring_bell; | |
1184 | write_glyphs_hook = IT_write_glyphs; | |
1185 | cursor_to_hook = raw_cursor_to_hook = IT_cursor_to; | |
1186 | clear_end_of_line_hook = IT_clear_end_of_line; | |
1187 | change_line_highlight_hook = IT_change_line_highlight; | |
1188 | update_begin_hook = IT_update_begin; | |
1189 | reassert_line_highlight_hook = IT_reassert_line_highlight; | |
1190 | ||
1191 | /* These hooks are called by term.c without being checked. */ | |
1192 | set_terminal_modes_hook | |
1193 | = reset_terminal_modes_hook | |
1194 | = update_end_hook | |
1195 | = set_terminal_window_hook | |
1196 | = (void *)rien_du_tout; | |
1197 | } | |
1198 | else | |
1199 | the_only_frame.output_method = output_termcap; | |
1200 | #endif | |
1b94449f | 1201 | } |
b278e52a RS |
1202 | \f |
1203 | /* When time zones are set from Ms-Dos too may C-libraries are playing | |
1204 | tricks with time values. We solve this by defining our own version | |
1205 | of `gettimeofday' bypassing GO32. Our version needs to be initialized | |
1206 | once and after each call to `tzset' with TZ changed. */ | |
1b94449f | 1207 | |
b278e52a RS |
1208 | static int daylight, gmtoffset; |
1209 | ||
1210 | int | |
1211 | gettimeofday (struct timeval *tp, struct timezone *tzp) | |
1212 | { | |
1213 | if (tp) | |
1214 | { | |
1215 | struct time t; | |
1216 | struct date d; | |
1217 | struct tm tmrec; | |
1218 | ||
1219 | gettime (&t); | |
1220 | getdate (&d); | |
1221 | tmrec.tm_year = d.da_year - 1900; | |
1222 | tmrec.tm_mon = d.da_mon - 1; | |
1223 | tmrec.tm_mday = d.da_day; | |
1224 | tmrec.tm_hour = t.ti_hour; | |
1225 | tmrec.tm_min = t.ti_min; | |
1226 | tmrec.tm_sec = t.ti_sec; | |
1227 | tmrec.tm_gmtoff = gmtoffset; | |
1228 | tmrec.tm_isdst = daylight; | |
1229 | tp->tv_sec = mktime (&tmrec); | |
1230 | tp->tv_usec = t.ti_hund * (1000000 / 100); | |
1231 | } | |
1232 | if (tzp) | |
1233 | { | |
1234 | tzp->tz_minuteswest = gmtoffset; | |
1235 | tzp->tz_dsttime = daylight; | |
1236 | } | |
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | void | |
1241 | init_gettimeofday () | |
1242 | { | |
1243 | time_t ltm, gtm; | |
1244 | struct tm *lstm; | |
1245 | ||
1246 | daylight = 0; | |
1247 | gmtoffset = 0; | |
1248 | ltm = gtm = time (NULL); | |
1249 | ltm = mktime (lstm = localtime (<m)); | |
1250 | gtm = mktime (gmtime (>m)); | |
1251 | daylight = lstm->tm_isdst; | |
1252 | gmtoffset = (int)(gtm - ltm) / 60; | |
1253 | } | |
1254 | \f | |
1b94449f RS |
1255 | /* These must be global. */ |
1256 | static _go32_dpmi_seginfo ctrl_break_vector; | |
1257 | static _go32_dpmi_registers ctrl_break_regs; | |
1258 | static int ctrlbreakinstalled = 0; | |
1259 | ||
1260 | /* Interrupt level detection of Ctrl-Break. Don't do anything fancy here! */ | |
1261 | void | |
1262 | ctrl_break_func (regs) | |
1263 | _go32_dpmi_registers *regs; | |
1264 | { | |
1265 | Vquit_flag = Qt; | |
1266 | } | |
1267 | ||
1268 | void | |
1269 | install_ctrl_break_check () | |
1270 | { | |
1271 | if (!ctrlbreakinstalled) | |
1272 | { | |
1273 | /* Don't press Ctrl-Break if you don't have either DPMI or Emacs | |
ca986694 | 1274 | was compiler with Djgpp 1.11 maintenance level 5 or later! */ |
1b94449f RS |
1275 | ctrlbreakinstalled = 1; |
1276 | ctrl_break_vector.pm_offset = (int) ctrl_break_func; | |
1277 | _go32_dpmi_allocate_real_mode_callback_iret (&ctrl_break_vector, | |
1278 | &ctrl_break_regs); | |
1279 | _go32_dpmi_set_real_mode_interrupt_vector (0x1b, &ctrl_break_vector); | |
1280 | } | |
1281 | } | |
1282 | \f | |
87485d6f MW |
1283 | /* Mouse routines follow. Coordinates are in screen positions and zero |
1284 | based. Mouse buttons are numbered from left to right and also zero | |
1285 | based. */ | |
1b94449f RS |
1286 | |
1287 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; | |
1288 | static int mouse_button_count; | |
1289 | ||
1290 | void | |
1291 | mouse_init () | |
1292 | { | |
1293 | union REGS regs; | |
1294 | ||
1295 | regs.x.ax = 0x0007; | |
1296 | regs.x.cx = 0; | |
1297 | regs.x.dx = 8 * (ScreenCols () - 1); | |
1298 | int86 (0x33, ®s, ®s); | |
1299 | ||
1300 | regs.x.ax = 0x0008; | |
1301 | regs.x.cx = 0; | |
1302 | regs.x.dx = 8 * (ScreenRows () - 1); | |
1303 | int86 (0x33, ®s, ®s); | |
1304 | ||
1305 | mouse_moveto (ScreenCols () - 1, ScreenRows () - 1); | |
1306 | mouse_on (); | |
1307 | } | |
1308 | ||
1309 | void | |
1310 | mouse_on () | |
1311 | { | |
1312 | union REGS regs; | |
1313 | ||
1314 | regs.x.ax = 0x0001; | |
1315 | int86 (0x33, ®s, ®s); | |
1316 | } | |
1317 | ||
1318 | void | |
1319 | mouse_off () | |
1320 | { | |
1321 | union REGS regs; | |
1322 | ||
1323 | regs.x.ax = 0x0002; | |
1324 | int86 (0x33, ®s, ®s); | |
1325 | } | |
1326 | ||
1327 | void | |
1328 | mouse_moveto (x, y) | |
1329 | int x, y; | |
1330 | { | |
1331 | union REGS regs; | |
1332 | ||
1333 | regs.x.ax = 0x0004; | |
1334 | mouse_last_x = regs.x.cx = x * 8; | |
1335 | mouse_last_y = regs.x.dx = y * 8; | |
1336 | int86 (0x33, ®s, ®s); | |
1337 | } | |
1338 | ||
1339 | int | |
1340 | mouse_pressed (b, xp, yp) | |
1341 | int b, *xp, *yp; | |
1342 | { | |
1343 | union REGS regs; | |
1344 | ||
1345 | if (b >= mouse_button_count) | |
1346 | return 0; | |
1347 | regs.x.ax = 0x0005; | |
1348 | regs.x.bx = mouse_button_translate[b]; | |
1349 | int86 (0x33, ®s, ®s); | |
1350 | if (regs.x.bx) | |
ca986694 | 1351 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; |
1b94449f RS |
1352 | return (regs.x.bx != 0); |
1353 | } | |
1354 | ||
1355 | int | |
1356 | mouse_released (b, xp, yp) | |
1357 | int b, *xp, *yp; | |
1358 | { | |
1359 | union REGS regs; | |
1360 | ||
1361 | if (b >= mouse_button_count) | |
1362 | return 0; | |
1363 | regs.x.ax = 0x0006; | |
1364 | regs.x.bx = mouse_button_translate[b]; | |
1365 | int86 (0x33, ®s, ®s); | |
1366 | if (regs.x.bx) | |
1367 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
1368 | return (regs.x.bx != 0); | |
1369 | } | |
1370 | ||
87485d6f MW |
1371 | static void |
1372 | mouse_get_xy (int *x, int *y) | |
1373 | { | |
1374 | union REGS regs; | |
1375 | ||
1376 | regs.x.ax = 0x0003; | |
1377 | int86 (0x33, ®s, ®s); | |
1378 | *x = regs.x.cx / 8; | |
1379 | *y = regs.x.dx / 8; | |
1380 | } | |
1381 | ||
1b94449f RS |
1382 | void |
1383 | mouse_get_pos (f, bar_window, part, x, y, time) | |
1384 | FRAME_PTR *f; | |
1385 | Lisp_Object *bar_window, *x, *y; | |
1386 | enum scroll_bar_part *part; | |
1387 | unsigned long *time; | |
1388 | { | |
87485d6f | 1389 | int ix, iy; |
1b94449f RS |
1390 | union REGS regs; |
1391 | struct timeval tv; | |
1392 | ||
1393 | regs.x.ax = 0x0003; | |
1394 | int86 (0x33, ®s, ®s); | |
1395 | *f = selected_frame; | |
1396 | *bar_window = Qnil; | |
1397 | gettimeofday (&tv, NULL); | |
87485d6f | 1398 | mouse_get_xy (&ix, &iy); |
1b94449f | 1399 | mouse_moved = 0; |
87485d6f MW |
1400 | *x = make_number (ix); |
1401 | *y = make_number (iy); | |
1402 | *time = tv.tv_usec; | |
1b94449f RS |
1403 | } |
1404 | ||
1405 | void | |
1406 | mouse_check_moved () | |
1407 | { | |
87485d6f | 1408 | int x, y; |
1b94449f | 1409 | |
87485d6f MW |
1410 | mouse_get_xy (&x, &y); |
1411 | mouse_moved |= (x != mouse_last_x || y != mouse_last_y); | |
1412 | mouse_last_x = x; | |
1413 | mouse_last_y = y; | |
1b94449f RS |
1414 | } |
1415 | ||
1416 | int | |
1417 | mouse_init1 () | |
1418 | { | |
1419 | union REGS regs; | |
1420 | int present; | |
1421 | ||
87485d6f MW |
1422 | #ifdef HAVE_X_WINDOWS |
1423 | if (!inhibit_window_system) | |
1424 | return 0; | |
1425 | #endif | |
e118d5ef RS |
1426 | if (!internal_terminal) |
1427 | return 0; | |
1428 | ||
1b94449f RS |
1429 | regs.x.ax = 0x0021; |
1430 | int86 (0x33, ®s, ®s); | |
e118d5ef RS |
1431 | present = (regs.x.ax & 0xffff) == 0xffff; |
1432 | if (!present) | |
1433 | { | |
1434 | /* Reportedly, the above doesn't work for some mouse drivers. There | |
1435 | is an additional detection method that should work, but might be | |
1436 | a little slower. Use that as an alternative. */ | |
1437 | regs.x.ax = 0x0000; | |
1438 | int86 (0x33, ®s, ®s); | |
1439 | present = (regs.x.ax & 0xffff) == 0xffff; | |
1440 | } | |
1441 | ||
1b94449f RS |
1442 | if (present) |
1443 | { | |
1444 | if (regs.x.bx == 3) | |
1445 | { | |
1446 | mouse_button_count = 3; | |
1447 | mouse_button_translate[0] = 0; /* Left */ | |
1448 | mouse_button_translate[1] = 2; /* Middle */ | |
1449 | mouse_button_translate[2] = 1; /* Right */ | |
1450 | } | |
1451 | else | |
1452 | { | |
1453 | mouse_button_count = 2; | |
1454 | mouse_button_translate[0] = 0; | |
1455 | mouse_button_translate[1] = 1; | |
1456 | } | |
1457 | mouse_position_hook = &mouse_get_pos; | |
1458 | mouse_init (); | |
1459 | } | |
1460 | return present; | |
1461 | } | |
1462 | ||
87485d6f | 1463 | #ifndef HAVE_X_WINDOWS |
49a09c76 RS |
1464 | /* See xterm.c for more info. */ |
1465 | void | |
1466 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1467 | FRAME_PTR f; | |
1468 | register int pix_x, pix_y; | |
1469 | register int *x, *y; | |
1470 | void /* XRectangle */ *bounds; | |
1471 | int noclip; | |
1472 | { | |
1473 | if (bounds) abort (); | |
1474 | ||
1475 | /* Ignore clipping. */ | |
1476 | ||
1477 | *x = pix_x; | |
1478 | *y = pix_y; | |
1479 | } | |
1480 | ||
1481 | void | |
1482 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1483 | FRAME_PTR f; | |
1484 | register int x, y; | |
1485 | register int *pix_x, *pix_y; | |
1486 | { | |
1487 | *pix_x = x; | |
1488 | *pix_y = y; | |
1489 | } | |
87485d6f MW |
1490 | \f |
1491 | /* Simulation of X's menus. Nothing too fancy here -- just make it work | |
1492 | for now. | |
1493 | ||
1494 | Actually, I don't know the meaning of all the parameters of the functions | |
1495 | here -- I only know how they are called by xmenu.c. I could of course | |
1496 | grab the nearest Xlib manual (down the hall, second-to-last door on the | |
1497 | left), but I don't think it's worth the effort. */ | |
1498 | ||
1499 | static XMenu * | |
1500 | IT_menu_create () | |
1501 | { | |
1502 | XMenu *menu; | |
1503 | ||
1504 | menu = (XMenu *) xmalloc (sizeof (XMenu)); | |
1505 | menu->allocated = menu->count = menu->panecount = menu->width = 0; | |
1506 | return menu; | |
1507 | } | |
1508 | ||
1509 | /* Allocate some (more) memory for MENU ensuring that there is room for one | |
1510 | for item. */ | |
1511 | static void | |
1512 | IT_menu_make_room (XMenu *menu) | |
1513 | { | |
1514 | if (menu->allocated == 0) | |
1515 | { | |
1516 | int count = menu->allocated = 10; | |
1517 | menu->text = (char **) xmalloc (count * sizeof (char *)); | |
1518 | menu->submenu = (XMenu **) xmalloc (count * sizeof (XMenu *)); | |
1519 | menu->panenumber = (int *) xmalloc (count * sizeof (int)); | |
1520 | } | |
1521 | else if (menu->allocated == menu->count) | |
1522 | { | |
1523 | int count = menu->allocated = menu->allocated + 10; | |
1524 | menu->text | |
1525 | = (char **) xrealloc (menu->text, count * sizeof (char *)); | |
1526 | menu->submenu | |
1527 | = (XMenu **) xrealloc (menu->submenu, count * sizeof (XMenu *)); | |
1528 | menu->panenumber | |
1529 | = (int *) xrealloc (menu->panenumber, count * sizeof (int)); | |
1530 | } | |
1531 | } | |
1532 | ||
1533 | /* Search the given menu structure for a given pane number. */ | |
1534 | static XMenu * | |
1535 | IT_menu_search_pane (XMenu *menu, int pane) | |
1536 | { | |
1537 | int i; | |
1538 | XMenu *try; | |
1539 | ||
1540 | for (i = 0; i < menu->count; i++) | |
1541 | if (menu->submenu[i]) | |
1542 | if (pane == menu->panenumber[i]) | |
1543 | return menu->submenu[i]; | |
1544 | else | |
1545 | if ((try = IT_menu_search_pane (menu->submenu[i], pane))) | |
1546 | return try; | |
1547 | return (XMenu *) 0; | |
1548 | } | |
1549 | ||
1550 | /* Determine how much screen space a given menu needs. */ | |
1551 | static void | |
1552 | IT_menu_calc_size (XMenu *menu, int *width, int *height) | |
1553 | { | |
1554 | int i, h2, w2, maxsubwidth, maxheight; | |
1555 | ||
1556 | maxsubwidth = 0; | |
1557 | maxheight = menu->count; | |
1558 | for (i = 0; i < menu->count; i++) | |
1559 | { | |
1560 | if (menu->submenu[i]) | |
1561 | { | |
1562 | IT_menu_calc_size (menu->submenu[i], &w2, &h2); | |
1563 | if (w2 > maxsubwidth) maxsubwidth = w2; | |
1564 | if (i + h2 > maxheight) maxheight = i + h2; | |
1565 | } | |
1566 | } | |
1567 | *width = menu->width + maxsubwidth; | |
1568 | *height = maxheight; | |
1569 | } | |
1570 | ||
1571 | /* Display MENU at (X,Y) using FACES. */ | |
1572 | static void | |
1573 | IT_menu_display (XMenu *menu, int y, int x, int *faces) | |
1574 | { | |
1575 | int i, j, face, width; | |
1576 | GLYPH *text, *p; | |
1577 | char *q; | |
1578 | int mx, my; | |
1579 | int enabled, mousehere; | |
1580 | int row, col; | |
1581 | ||
1582 | width = menu->width; | |
1583 | text = (GLYPH *) xmalloc ((width + 2) * sizeof (GLYPH)); | |
1584 | ScreenGetCursor (&row, &col); | |
1585 | mouse_get_xy (&mx, &my); | |
1586 | mouse_off (); | |
1587 | (*update_begin_hook) (); | |
1588 | for (i = 0; i < menu->count; i++) | |
1589 | { | |
1590 | (*cursor_to_hook) (y + i, x); | |
1591 | enabled | |
1592 | = (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]); | |
1593 | mousehere = (y + i == my && x <= mx && mx < x + width + 2); | |
1594 | face = faces[enabled + mousehere * 2]; | |
1595 | p = text; | |
1596 | *p++ = FAST_MAKE_GLYPH (' ', face); | |
1597 | for (j = 0, q = menu->text[i]; *q; j++) | |
1598 | *p++ = FAST_MAKE_GLYPH (*q++, face); | |
1599 | for (; j < width; j++) | |
1600 | *p++ = FAST_MAKE_GLYPH (' ', face); | |
1601 | *p++ = FAST_MAKE_GLYPH (menu->submenu[i] ? 16 : ' ', face); | |
1602 | (*write_glyphs_hook) (text, width + 2); | |
1603 | } | |
1604 | internal_flush (stdout); | |
1605 | (*update_end_hook) (); | |
1606 | mouse_on (); | |
1607 | ScreenSetCursor (row, col); | |
1608 | xfree (text); | |
1609 | } | |
1610 | ||
1611 | /* Create a brand new menu structure. */ | |
1612 | XMenu * | |
1189e5a2 | 1613 | XMenuCreate (Display *foo1, Window foo2, char *foo3) |
87485d6f MW |
1614 | { |
1615 | return IT_menu_create (); | |
1616 | } | |
1617 | ||
1618 | /* Create a new pane and place it on the outer-most level. It is not | |
1619 | clear that it should be placed out there, but I don't know what else | |
1620 | to do. */ | |
1621 | int | |
1189e5a2 | 1622 | XMenuAddPane (Display *foo, XMenu *menu, char *txt, int enable) |
87485d6f MW |
1623 | { |
1624 | int len; | |
1625 | ||
1626 | if (!enable) | |
1627 | abort (); | |
1628 | ||
1629 | IT_menu_make_room (menu); | |
1630 | menu->submenu[menu->count] = IT_menu_create (); | |
1631 | menu->text[menu->count] = txt; | |
1632 | menu->panenumber[menu->count] = ++menu->panecount; | |
1633 | menu->count++; | |
1634 | if ((len = strlen (txt)) > menu->width) menu->width = len; | |
1635 | return menu->panecount; | |
1636 | } | |
1637 | ||
1638 | /* Create a new item in a menu pane. */ | |
1639 | int | |
1189e5a2 RS |
1640 | XMenuAddSelection (Display *bar, XMenu *menu, int pane, |
1641 | int foo, char *txt, int enable) | |
87485d6f MW |
1642 | { |
1643 | int len; | |
1644 | ||
1645 | if (pane) | |
1646 | if (!(menu = IT_menu_search_pane (menu, pane))) | |
1647 | return XM_FAILURE; | |
1648 | IT_menu_make_room (menu); | |
1649 | menu->submenu[menu->count] = (XMenu *) 0; | |
1650 | menu->text[menu->count] = txt; | |
1651 | menu->panenumber[menu->count] = enable; | |
1652 | menu->count++; | |
1653 | if ((len = strlen (txt)) > menu->width) menu->width = len; | |
1654 | return XM_SUCCESS; | |
1655 | } | |
1656 | ||
1657 | /* Decide where the menu would be placed if requested at (X,Y). */ | |
1189e5a2 RS |
1658 | void |
1659 | XMenuLocate (Display *foo0, XMenu *menu, int foo1, int foo2, int x, int y, | |
87485d6f MW |
1660 | int *ulx, int *uly, int *width, int *height) |
1661 | { | |
1662 | if (menu->count == 1 && menu->submenu[0]) | |
1663 | /* Special case: the menu consists of only one pane. */ | |
1664 | IT_menu_calc_size (menu->submenu[0], width, height); | |
1665 | else | |
1666 | IT_menu_calc_size (menu, width, height); | |
1667 | *ulx = x + 1; | |
1668 | *uly = y; | |
1669 | *width += 2; | |
1670 | } | |
1671 | ||
1672 | typedef struct | |
1673 | { | |
1674 | void *screen_behind; | |
1675 | XMenu *menu; | |
1676 | int pane; | |
1677 | int x, y; | |
1678 | } IT_menu_state; | |
1679 | ||
1680 | ||
1681 | /* Display menu, wait for user's response, and return that response. */ | |
1682 | int | |
1189e5a2 | 1683 | XMenuActivate (Display *foo, XMenu *menu, int *pane, int *selidx, |
87485d6f MW |
1684 | int x0, int y0, unsigned ButtonMask, char **txt) |
1685 | { | |
1686 | IT_menu_state *state; | |
1687 | int statecount; | |
1688 | int x, y, i, b; | |
1689 | int screensize; | |
1690 | int faces[4], selectface; | |
1691 | int leave, result, onepane; | |
1692 | ||
1693 | /* Just in case we got here without a mouse present... */ | |
1694 | if (!have_mouse) | |
1695 | return XM_IA_SELECT; | |
1696 | ||
1697 | state = alloca (menu->panecount * sizeof (IT_menu_state)); | |
1698 | screensize = ScreenRows () * ScreenCols () * 2; | |
1699 | faces[0] | |
1700 | = compute_glyph_face (&the_only_frame, | |
1701 | face_name_id_number | |
1702 | (&the_only_frame, | |
1703 | intern ("msdos-menu-passive-face")), | |
1704 | 0); | |
1705 | faces[1] | |
1706 | = compute_glyph_face (&the_only_frame, | |
1707 | face_name_id_number | |
1708 | (&the_only_frame, | |
1709 | intern ("msdos-menu-active-face")), | |
1710 | 0); | |
1711 | selectface | |
1712 | = face_name_id_number (&the_only_frame, intern ("msdos-menu-select-face")); | |
1713 | faces[2] = compute_glyph_face (&the_only_frame, selectface, faces[0]); | |
1714 | faces[3] = compute_glyph_face (&the_only_frame, selectface, faces[1]); | |
1715 | ||
1716 | statecount = 1; | |
1717 | state[0].menu = menu; | |
1718 | mouse_off (); | |
1719 | ScreenRetrieve (state[0].screen_behind = xmalloc (screensize)); | |
1720 | mouse_on (); | |
1721 | if ((onepane = menu->count == 1 && menu->submenu[0])) | |
1722 | { | |
1723 | menu->width = menu->submenu[0]->width; | |
1724 | state[0].menu = menu->submenu[0]; | |
1725 | } | |
1726 | else | |
1727 | { | |
1728 | state[0].menu = menu; | |
1729 | } | |
1730 | state[0].x = x0 - 1; | |
1731 | state[0].y = y0; | |
1732 | state[0].pane = onepane; | |
1733 | ||
1734 | mouse_last_x = -1; /* A hack that forces display. */ | |
1735 | leave = 0; | |
1736 | while (!leave) | |
1737 | { | |
1738 | mouse_check_moved (); | |
1739 | if (mouse_moved) | |
1740 | { | |
1741 | mouse_moved = 0; | |
1742 | result = XM_IA_SELECT; | |
1743 | mouse_get_xy (&x, &y); | |
1744 | for (i = 0; i < statecount; i++) | |
1745 | if (state[i].x <= x && x < state[i].x + state[i].menu->width + 2) | |
1746 | { | |
1747 | int dy = y - state[i].y; | |
1748 | if (0 <= dy && dy < state[i].menu->count) | |
1749 | { | |
1750 | if (!state[i].menu->submenu[dy]) | |
1751 | if (state[i].menu->panenumber[dy]) | |
1752 | result = XM_SUCCESS; | |
1753 | else | |
1754 | result = XM_IA_SELECT; | |
1755 | *pane = state[i].pane - 1; | |
1756 | *selidx = dy; | |
1757 | /* We hit some part of a menu, so drop extra menues that | |
1758 | have been opened. That does not include an open and | |
1759 | active submenu. */ | |
1760 | if (i != statecount - 2 | |
1761 | || state[i].menu->submenu[dy] != state[i+1].menu) | |
1762 | while (i != statecount - 1) | |
1763 | { | |
1764 | statecount--; | |
1765 | mouse_off (); | |
1766 | ScreenUpdate (state[statecount].screen_behind); | |
1767 | mouse_on (); | |
1768 | xfree (state[statecount].screen_behind); | |
1769 | } | |
1770 | if (i == statecount - 1 && state[i].menu->submenu[dy]) | |
1771 | { | |
1772 | IT_menu_display (state[i].menu, | |
1773 | state[i].y, | |
1774 | state[i].x, | |
1775 | faces); | |
1776 | state[statecount].menu = state[i].menu->submenu[dy]; | |
1777 | state[statecount].pane = state[i].menu->panenumber[dy]; | |
1778 | mouse_off (); | |
1779 | ScreenRetrieve (state[statecount].screen_behind | |
1780 | = xmalloc (screensize)); | |
1781 | mouse_on (); | |
1782 | state[statecount].x | |
1783 | = state[i].x + state[i].menu->width + 2; | |
1784 | state[statecount].y = y; | |
1785 | statecount++; | |
1786 | } | |
1787 | } | |
1788 | } | |
1789 | IT_menu_display (state[statecount - 1].menu, | |
1790 | state[statecount - 1].y, | |
1791 | state[statecount - 1].x, | |
1792 | faces); | |
1793 | } | |
1794 | for (b = 0; b < mouse_button_count; b++) | |
1795 | { | |
1796 | (void) mouse_pressed (b, &x, &y); | |
1797 | if (mouse_released (b, &x, &y)) | |
1798 | leave = 1; | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | mouse_off (); | |
1803 | ScreenUpdate (state[0].screen_behind); | |
1804 | mouse_on (); | |
1805 | while (statecount--) | |
1806 | xfree (state[statecount].screen_behind); | |
1807 | return result; | |
1808 | } | |
1809 | ||
1810 | /* Dispose of a menu. */ | |
1189e5a2 RS |
1811 | void |
1812 | XMenuDestroy (Display *foo, XMenu *menu) | |
87485d6f MW |
1813 | { |
1814 | int i; | |
1815 | if (menu->allocated) | |
1816 | { | |
1817 | for (i = 0; i < menu->count; i++) | |
1818 | if (menu->submenu[i]) | |
1189e5a2 | 1819 | XMenuDestroy (foo, menu->submenu[i]); |
87485d6f MW |
1820 | xfree (menu->text); |
1821 | xfree (menu->submenu); | |
1822 | xfree (menu->panenumber); | |
1823 | } | |
1824 | xfree (menu); | |
1825 | } | |
1826 | ||
1827 | int x_pixel_width (struct frame *f) | |
1828 | { | |
1829 | return FRAME_WIDTH(f); | |
1830 | } | |
1831 | ||
1832 | int x_pixel_height (struct frame *f) | |
1833 | { | |
1834 | return FRAME_HEIGHT(f); | |
1835 | } | |
1836 | #endif /* !HAVE_X_WINDOWS */ | |
49a09c76 | 1837 | |
1b94449f | 1838 | #endif /* MSDOS */ |