Commit | Line | Data |
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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 | |
edfc0d45 | 8 | the Free Software Foundation; either version 2, or (at your option) |
1b94449f RS |
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 | ||
aee81730 RS |
56 | #define DO_TERMSCRIPT /* define if you want open-termscript to work on msdos */ |
57 | ||
58 | /* Standard putchar may call _flsbuf which doesn't go through | |
59 | fflush's overlayed internal_flush routine. */ | |
60 | #undef putchar | |
61 | #define putchar(x) \ | |
62 | (--(stdout)->_cnt>=0? \ | |
63 | ((int)((unsigned char)((*(stdout)->_ptr++=(unsigned)(x))))): \ | |
64 | (internal_flush (stdout), --(stdout)->_cnt, *(stdout)->_ptr++=(unsigned)(x))) | |
65 | ||
66 | static void | |
67 | mouse_get_xy (int *x, int *y); | |
68 | ||
1b94449f RS |
69 | /* Turn off Dos' Ctrl-C checking and inhibit interpretation of control chars |
70 | by Dos. Determine the keyboard type. */ | |
71 | int | |
72 | dos_ttraw () | |
73 | { | |
74 | union REGS inregs, outregs; | |
aee81730 RS |
75 | static int only_once = 1; |
76 | ||
77 | if (only_once) { | |
78 | inregs.h.ah = 0xc0; | |
79 | int86 (0x15, &inregs, &outregs); | |
80 | extended_kbd = (!outregs.x.cflag) && (outregs.h.ah == 0); | |
81 | } | |
82 | ||
1b94449f RS |
83 | break_stat = getcbrk (); |
84 | setcbrk (0); | |
85 | install_ctrl_break_check (); | |
1b94449f | 86 | |
aee81730 RS |
87 | if (only_once) |
88 | have_mouse = mouse_init1 (); | |
89 | ||
90 | inregs.x.ax = 0x4400; /* Get IOCTL status. */ | |
91 | inregs.x.bx = 0x00; /* 0 = stdin. */ | |
1b94449f RS |
92 | intdos (&inregs, &outregs); |
93 | stdin_stat = outregs.h.dl; | |
94 | ||
aee81730 RS |
95 | only_once = 0; |
96 | ||
97 | inregs.x.dx = stdin_stat | 0x0020; /* raw mode */ | |
98 | inregs.x.ax = 0x4401; /* Set IOCTL status */ | |
1b94449f RS |
99 | intdos (&inregs, &outregs); |
100 | return !outregs.x.cflag; | |
101 | } | |
102 | ||
103 | /* Restore status of standard input and Ctrl-C checking. */ | |
104 | int | |
105 | dos_ttcooked () | |
106 | { | |
107 | union REGS inregs, outregs; | |
108 | ||
109 | setcbrk (break_stat); | |
aee81730 | 110 | mouse_off (); |
1b94449f RS |
111 | |
112 | inregs.x.ax = 0x4401; /* Set IOCTL status. */ | |
113 | inregs.x.bx = 0x00; /* 0 = stdin. */ | |
114 | inregs.x.dx = stdin_stat; | |
115 | intdos (&inregs, &outregs); | |
116 | return !outregs.x.cflag; | |
117 | } | |
118 | ||
aee81730 RS |
119 | /* generate a reliable event timestamp, KFS 1995-07-06 */ |
120 | ||
121 | static unsigned long | |
122 | event_timestamp () | |
123 | { | |
124 | struct time t; | |
125 | unsigned long s; | |
126 | ||
127 | gettime (&t); | |
128 | s = t.ti_min; | |
129 | s *= 60; | |
130 | s += t.ti_sec; | |
131 | s *= 1000; | |
132 | s += t.ti_hund * 10; | |
133 | ||
134 | return s; | |
135 | } | |
136 | ||
1b94449f RS |
137 | static unsigned short |
138 | ibmpc_translate_map[] = | |
139 | { | |
140 | /* --------------- 00 to 0f --------------- */ | |
141 | 0, /* Ctrl Break */ | |
142 | 0xff1b, /* Escape */ | |
143 | 0xffb1, /* Keypad 1 */ | |
144 | 0xffb2, /* Keypad 2 */ | |
145 | 0xffb3, /* Keypad 3 */ | |
146 | 0xffb4, /* Keypad 4 */ | |
147 | 0xffb5, /* Keypad 5 */ | |
148 | 0xffb6, /* Keypad 6 */ | |
149 | 0xffb7, /* Keypad 7 */ | |
150 | 0xffb8, /* Keypad 8 */ | |
151 | 0xffb9, /* Keypad 9 */ | |
152 | 0xffb0, /* Keypad 0 */ | |
153 | '-', '=', | |
154 | 0xff08, /* Backspace */ | |
155 | 0xff74, /* (Shift) Tab [Tab doesn't use this table] */ | |
156 | ||
157 | /* --------------- 10 to 1f --------------- */ | |
158 | 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', | |
159 | 0xff8d, /* Keypad Enter */ | |
160 | 0, /* Ctrl */ | |
161 | 'a', 's', | |
162 | ||
163 | /* --------------- 20 to 2f --------------- */ | |
164 | 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', | |
165 | 0, /* Left shift */ | |
166 | '\\', 'z', 'x', 'c', 'v', | |
167 | ||
168 | /* --------------- 30 to 3f --------------- */ | |
169 | 'b', 'n', 'm', ',', '.', | |
170 | 0xffaf, /* Grey / */ | |
171 | 0, /* Right shift */ | |
172 | 0xffaa, /* Grey * */ | |
173 | 0, /* Alt */ | |
174 | ' ', | |
175 | 0, /* Caps Lock */ | |
176 | 0xffbe, /* F1 */ | |
177 | 0xffbf, /* F2 */ | |
178 | 0xffc0, /* F3 */ | |
179 | 0xffc1, /* F4 */ | |
180 | 0xffc2, /* F5 */ | |
181 | ||
182 | /* --------------- 40 to 4f --------------- */ | |
183 | 0xffc3, /* F6 */ | |
184 | 0xffc4, /* F7 */ | |
185 | 0xffc5, /* F8 */ | |
186 | 0xffc6, /* F9 */ | |
187 | 0xffc7, /* F10 */ | |
188 | 0, /* Num Lock */ | |
189 | 0, /* Scroll Lock */ | |
190 | 0xff50, /* Home */ | |
191 | 0xff52, /* Up */ | |
192 | 0xff55, /* Page Up */ | |
193 | 0xffad, /* Grey - */ | |
194 | 0xff51, /* Left */ | |
195 | 0xffb5, /* Keypad 5 */ | |
196 | 0xff53, /* Right */ | |
197 | 0xffab, /* Grey + */ | |
198 | 0xff57, /* End */ | |
199 | ||
200 | /* --------------- 50 to 5f --------------- */ | |
201 | 0xff54, /* Down */ | |
202 | 0xff56, /* Page Down */ | |
203 | 0xff63, /* Insert */ | |
204 | 0xffff, /* Delete */ | |
205 | 0xffbe, /* (Shift) F1 */ | |
206 | 0xffbf, /* (Shift) F2 */ | |
207 | 0xffc0, /* (Shift) F3 */ | |
208 | 0xffc1, /* (Shift) F4 */ | |
209 | 0xffc2, /* (Shift) F5 */ | |
210 | 0xffc3, /* (Shift) F6 */ | |
211 | 0xffc4, /* (Shift) F7 */ | |
212 | 0xffc5, /* (Shift) F8 */ | |
213 | 0xffc6, /* (Shift) F9 */ | |
214 | 0xffc7, /* (Shift) F10 */ | |
215 | 0xffbe, /* (Ctrl) F1 */ | |
216 | 0xffbf, /* (Ctrl) F2 */ | |
217 | ||
218 | /* --------------- 60 to 6f --------------- */ | |
219 | 0xffc0, /* (Ctrl) F3 */ | |
220 | 0xffc1, /* (Ctrl) F4 */ | |
221 | 0xffc2, /* (Ctrl) F5 */ | |
222 | 0xffc3, /* (Ctrl) F6 */ | |
223 | 0xffc4, /* (Ctrl) F7 */ | |
224 | 0xffc5, /* (Ctrl) F8 */ | |
225 | 0xffc6, /* (Ctrl) F9 */ | |
226 | 0xffc7, /* (Ctrl) F10 */ | |
227 | 0xffbe, /* (Alt) F1 */ | |
228 | 0xffbf, /* (Alt) F2 */ | |
229 | 0xffc0, /* (Alt) F3 */ | |
230 | 0xffc1, /* (Alt) F4 */ | |
231 | 0xffc2, /* (Alt) F5 */ | |
232 | 0xffc3, /* (Alt) F6 */ | |
233 | 0xffc4, /* (Alt) F7 */ | |
234 | 0xffc5, /* (Alt) F8 */ | |
235 | ||
236 | /* --------------- 70 to 7f --------------- */ | |
237 | 0xffc6, /* (Alt) F9 */ | |
238 | 0xffc7, /* (Alt) F10 */ | |
239 | 0xff6d, /* (Ctrl) Sys Rq */ | |
240 | 0xff51, /* (Ctrl) Left */ | |
241 | 0xff53, /* (Ctrl) Right */ | |
242 | 0xff57, /* (Ctrl) End */ | |
243 | 0xff56, /* (Ctrl) Page Down */ | |
244 | 0xff50, /* (Ctrl) Home */ | |
245 | '1', '2', '3', '4', '5', '6', '7', '8', /* (Alt) */ | |
246 | ||
247 | /* --------------- 80 to 8f --------------- */ | |
248 | '9', '0', '-', '=', /* (Alt) */ | |
249 | 0xff55, /* (Ctrl) Page Up */ | |
250 | 0xffc8, /* F11 */ | |
251 | 0xffc9, /* F12 */ | |
252 | 0xffc8, /* (Shift) F11 */ | |
253 | 0xffc9, /* (Shift) F12 */ | |
254 | 0xffc8, /* (Ctrl) F11 */ | |
255 | 0xffc9, /* (Ctrl) F12 */ | |
256 | 0xffc8, /* (Alt) F11 */ | |
257 | 0xffc9, /* (Alt) F12 */ | |
258 | 0xff52, /* (Ctrl) Up */ | |
259 | 0xffae, /* (Ctrl) Grey - */ | |
260 | 0xffb5, /* (Ctrl) Keypad 5 */ | |
261 | ||
262 | /* --------------- 90 to 9f --------------- */ | |
263 | 0xffab, /* (Ctrl) Grey + */ | |
264 | 0xff54, /* (Ctrl) Down */ | |
265 | 0xff63, /* (Ctrl) Insert */ | |
266 | 0xffff, /* (Ctrl) Delete */ | |
267 | 0xff09, /* (Ctrl) Tab */ | |
268 | 0xffaf, /* (Ctrl) Grey / */ | |
269 | 0xffaa, /* (Ctrl) Grey * */ | |
270 | 0xff50, /* (Alt) Home */ | |
271 | 0xff52, /* (Alt) Up */ | |
272 | 0xff55, /* (Alt) Page Up */ | |
273 | 0, /* NO KEY */ | |
274 | 0xff51, /* (Alt) Left */ | |
275 | 0, /* NO KEY */ | |
276 | 0xff53, /* (Alt) Right */ | |
277 | 0, /* NO KEY */ | |
278 | 0xff57, /* (Alt) End */ | |
279 | ||
280 | /* --------------- a0 to af --------------- */ | |
281 | 0xff54, /* (Alt) Down */ | |
282 | 0xff56, /* (Alt) Page Down */ | |
283 | 0xff63, /* (Alt) Insert */ | |
284 | 0xffff, /* (Alt) Delete */ | |
285 | 0xffaf, /* (Alt) Grey / */ | |
286 | 0xff09, /* (Alt) Tab */ | |
287 | 0xff0d /* (Alt) Enter */ | |
288 | }; | |
289 | ||
290 | /* Get a char from keyboard. Function keys are put into the event queue. */ | |
291 | static int | |
292 | dos_rawgetc () | |
293 | { | |
294 | struct input_event event; | |
1b94449f RS |
295 | union REGS regs; |
296 | int ctrl_p, alt_p, shift_p; | |
aee81730 | 297 | |
1b94449f RS |
298 | /* Calculate modifier bits */ |
299 | regs.h.ah = extended_kbd ? 0x12 : 0x02; | |
300 | int86 (0x16, ®s, ®s); | |
301 | ctrl_p = ((regs.h.al & 4) != 0); | |
302 | shift_p = ((regs.h.al & 3) != 0); | |
9da6e765 RS |
303 | /* Please be very careful here not to break international keyboard support. |
304 | When Keyb.Com is loaded, the key marked `Alt Gr' is used for accessing | |
305 | characters like { and } if their positions are overlaid. */ | |
1b94449f RS |
306 | alt_p = ((extended_kbd ? (regs.h.ah & 2) : (regs.h.al & 8)) != 0); |
307 | ||
3ec5651b RS |
308 | /* The following condition is equivalent to `kbhit ()', except that |
309 | it uses the bios to do its job. This pleases DESQview/X. */ | |
310 | while ((regs.h.ah = extended_kbd ? 0x11 : 0x01), | |
311 | int86 (0x16, ®s, ®s), | |
312 | (regs.x.flags & 0x40) == 0) | |
1b94449f RS |
313 | { |
314 | union REGS regs; | |
315 | register unsigned char c; | |
316 | int sc, code; | |
317 | ||
318 | regs.h.ah = extended_kbd ? 0x10 : 0x00; | |
319 | int86 (0x16, ®s, ®s); | |
320 | c = regs.h.al; | |
321 | sc = regs.h.ah; | |
322 | ||
323 | /* Determine from the scan code if a keypad key was pressed. */ | |
324 | if (c >= '0' && c <= '9' && sc > 0xb) | |
325 | sc = (c == '0') ? 0xb : (c - '0' + 1), c = 0; | |
9da6e765 RS |
326 | else if (sc == 0x53 && c != 0xe0) |
327 | { | |
aee81730 | 328 | code = 0xffae; /* Keypad decimal point/comma. */ |
9da6e765 RS |
329 | goto nonascii; |
330 | } | |
1b94449f RS |
331 | else if (sc == 0xe0) |
332 | { | |
333 | switch (c) | |
334 | { | |
aee81730 | 335 | case 10: /* Ctrl Enter */ |
1b94449f RS |
336 | case 13: |
337 | sc = 0x1c; | |
338 | break; | |
1b94449f RS |
339 | case '/': |
340 | sc = 0x35; | |
341 | break; | |
342 | default: | |
343 | sc = 0; | |
344 | }; | |
345 | c = 0; | |
346 | } | |
347 | ||
348 | if (c == 0 | |
349 | || c == ' ' | |
350 | || alt_p | |
351 | || (ctrl_p && shift_p) | |
aee81730 RS |
352 | || (c == 0xe0 && sc != 0) /* Pseudo-key */ |
353 | || sc == 0x37 /* Grey * */ | |
354 | || sc == 0x4a /* Grey - */ | |
355 | || sc == 0x4e /* Grey + */ | |
356 | || sc == 0x0e) /* Back space *key*, not Ctrl-h */ | |
357 | { | |
358 | if (sc >= (sizeof (ibmpc_translate_map) / sizeof (short))) | |
359 | code = 0; | |
360 | else | |
361 | code = ibmpc_translate_map[sc]; | |
362 | if (code != 0) | |
363 | { | |
364 | if (code >= 0x100) | |
365 | { | |
366 | nonascii: | |
367 | event.kind = non_ascii_keystroke; | |
368 | event.code = (code & 0xff) + 0xff00; | |
369 | } | |
370 | else | |
371 | { | |
372 | /* Don't return S- if we don't have to. `shifted' is | |
373 | supposed to be the shifted versions of the characters | |
374 | in `unshifted'. Unfortunately, this is only true for | |
375 | US keyboard layout. If anyone knows how to do this | |
376 | right, please tell us. */ | |
377 | static char *unshifted | |
378 | = "abcdefghijklmnopqrstuvwxyz,./=;[\\]'-`0123456789"; | |
379 | static char *shifted | |
380 | = "ABCDEFGHIJKLMNOPQRSTUVWXYZ<>?+:{|}\"_~)!@#$%^&*("; | |
381 | char *pos; | |
382 | ||
383 | if (shift_p && (pos = strchr (unshifted, code))) | |
384 | { | |
385 | c = shifted[pos - unshifted]; | |
386 | shift_p = 0; | |
387 | } | |
388 | else | |
389 | if (c == 0) c = code; | |
390 | event.kind = ascii_keystroke; | |
391 | event.code = c; | |
392 | } | |
393 | event.modifiers | |
394 | = (shift_p ? shift_modifier : 0) | |
395 | + (ctrl_p ? ctrl_modifier : 0) | |
396 | + (alt_p ? meta_modifier : 0); | |
397 | /* EMACS == Enter Meta Alt Control Shift */ | |
398 | XSETFRAME (event.frame_or_window, selected_frame); | |
399 | event.timestamp = event_timestamp (); | |
400 | kbd_buffer_store_event (&event); | |
401 | } | |
402 | } else | |
403 | return c; | |
1b94449f RS |
404 | } |
405 | ||
aee81730 | 406 | if (have_mouse > 0) |
1b94449f RS |
407 | { |
408 | int but, press, x, y, ok; | |
409 | ||
410 | /* Check for mouse movement *before* buttons. */ | |
49a09c76 | 411 | mouse_check_moved (); |
1b94449f RS |
412 | |
413 | for (but = 0; but < NUM_MOUSE_BUTTONS; but++) | |
414 | for (press = 0; press < 2; press++) | |
415 | { | |
416 | if (press) | |
49a09c76 | 417 | ok = mouse_pressed (but, &x, &y); |
1b94449f | 418 | else |
49a09c76 | 419 | ok = mouse_released (but, &x, &y); |
1b94449f RS |
420 | if (ok) |
421 | { | |
422 | event.kind = mouse_click; | |
423 | event.code = but; | |
424 | event.modifiers | |
9da6e765 RS |
425 | = (shift_p ? shift_modifier : 0) |
426 | + (ctrl_p ? ctrl_modifier : 0) | |
427 | + (alt_p ? meta_modifier : 0) | |
428 | + (press ? down_modifier : up_modifier); | |
1b94449f RS |
429 | event.x = x; |
430 | event.y = y; | |
87485d6f | 431 | XSETFRAME (event.frame_or_window, selected_frame); |
aee81730 | 432 | event.timestamp = event_timestamp (); |
1b94449f RS |
433 | kbd_buffer_store_event (&event); |
434 | } | |
435 | } | |
436 | } | |
437 | ||
438 | return -1; | |
439 | } | |
440 | ||
441 | static int prev_get_char = -1; | |
442 | ||
443 | /* Return 1 if a key is ready to be read without suspending execution. */ | |
444 | dos_keysns () | |
445 | { | |
446 | if (prev_get_char != -1) | |
447 | return 1; | |
448 | else | |
449 | return ((prev_get_char = dos_rawgetc ()) != -1); | |
450 | } | |
451 | ||
452 | /* Read a key. Return -1 if no key is ready. */ | |
453 | dos_keyread () | |
454 | { | |
455 | if (prev_get_char != -1) | |
456 | { | |
457 | int c = prev_get_char; | |
458 | prev_get_char = -1; | |
459 | return c; | |
460 | } | |
461 | else | |
462 | return dos_rawgetc (); | |
463 | } | |
464 | ||
465 | /* Hostnames for a pc are not really funny, but they are used in change log | |
466 | so we emulate the best we can. */ | |
467 | gethostname (p, size) | |
468 | char *p; | |
469 | int size; | |
470 | { | |
471 | char *q = egetenv ("HOSTNAME"); | |
472 | ||
473 | if (!q) q = "pc"; | |
474 | strcpy (p, q); | |
475 | return 0; | |
476 | } | |
477 | ||
478 | /* Destructively turn backslashes into slashes. */ | |
479 | void | |
480 | dostounix_filename (p) | |
481 | register char *p; | |
482 | { | |
483 | while (*p) | |
484 | { | |
485 | if (*p == '\\') | |
486 | *p = '/'; | |
487 | p++; | |
488 | } | |
489 | } | |
490 | ||
491 | /* Destructively turn slashes into backslashes. */ | |
492 | void | |
493 | unixtodos_filename (p) | |
494 | register char *p; | |
495 | { | |
496 | while (*p) | |
497 | { | |
498 | if (*p == '/') | |
499 | *p = '\\'; | |
500 | p++; | |
501 | } | |
502 | } | |
503 | ||
504 | /* Get the default directory for a given drive. 0=def, 1=A, 2=B, ... */ | |
505 | int | |
506 | getdefdir (drive, dst) | |
507 | int drive; | |
508 | char *dst; | |
509 | { | |
510 | union REGS regs; | |
511 | ||
512 | *dst++ = '/'; | |
513 | regs.h.dl = drive; | |
514 | regs.x.si = (int) dst; | |
515 | regs.h.ah = 0x47; | |
516 | intdos (®s, ®s); | |
517 | return !regs.x.cflag; | |
518 | } | |
519 | ||
520 | /* Remove all CR's that are followed by a LF. */ | |
521 | int | |
522 | crlf_to_lf (n, buf) | |
523 | register int n; | |
524 | register unsigned char *buf; | |
525 | { | |
526 | unsigned char *np = buf; | |
527 | unsigned char *startp = buf; | |
528 | unsigned char *endp = buf + n; | |
529 | unsigned char c; | |
530 | ||
531 | if (n == 0) | |
532 | return n; | |
3d4ad6e0 | 533 | while (buf < endp - 1) |
1b94449f RS |
534 | { |
535 | if (*buf == 0x0d) | |
536 | { | |
537 | if (*(++buf) != 0x0a) | |
538 | *np++ = 0x0d; | |
539 | } | |
540 | else | |
541 | *np++ = *buf++; | |
542 | } | |
3d4ad6e0 RS |
543 | if (buf < endp) |
544 | *np++ = *buf++; | |
1b94449f RS |
545 | return np - startp; |
546 | } | |
547 | ||
548 | ||
549 | /* Run command as specified by ARGV in directory DIR. | |
550 | The command is run with input from TEMPIN and output to file TEMPOUT. */ | |
551 | int | |
552 | run_msdos_command (argv, dir, tempin, tempout) | |
553 | unsigned char **argv; | |
554 | Lisp_Object dir; | |
555 | int tempin, tempout; | |
556 | { | |
557 | char *saveargv1, *saveargv2, **envv; | |
558 | char oldwd[MAXPATHLEN + 1]; /* Fixed size is safe on MSDOS. */ | |
559 | int msshell, result = -1; | |
560 | int in, out, inbak, outbak, errbak; | |
aee81730 | 561 | int x, y; |
1b94449f RS |
562 | Lisp_Object cmd; |
563 | ||
564 | /* Get current directory as MSDOS cwd is not per-process. */ | |
565 | getwd (oldwd); | |
566 | ||
567 | cmd = Ffile_name_nondirectory (build_string (argv[0])); | |
568 | msshell = !NILP (Fmember (cmd, Fsymbol_value (intern ("msdos-shells")))) | |
569 | && !strcmp ("-c", argv[1]); | |
570 | if (msshell) | |
571 | { | |
572 | saveargv1 = argv[1]; | |
647c32eb | 573 | saveargv2 = argv[2]; |
1b94449f RS |
574 | argv[1] = "/c"; |
575 | if (argv[2]) | |
576 | { | |
647c32eb KH |
577 | char *p = alloca (strlen (argv[2]) + 1); |
578 | ||
579 | strcpy (argv[2] = p, saveargv2); | |
580 | while (*p && isspace (*p)) | |
581 | p++; | |
582 | while (*p && !isspace (*p)) | |
583 | if (*p == '/') | |
584 | *p++ = '\\'; | |
585 | else | |
586 | p++; | |
1b94449f RS |
587 | } |
588 | } | |
589 | ||
590 | /* Build the environment array. */ | |
591 | { | |
592 | extern Lisp_Object Vprocess_environment; | |
091d0bdf KH |
593 | Lisp_Object tmp, lst; |
594 | int i, len; | |
595 | ||
596 | lst = Vprocess_environment; | |
597 | len = XFASTINT (Flength (lst)); | |
1b94449f RS |
598 | |
599 | envv = alloca ((len + 1) * sizeof (char *)); | |
600 | for (i = 0; i < len; i++) | |
601 | { | |
602 | tmp = Fcar (lst); | |
603 | lst = Fcdr (lst); | |
604 | CHECK_STRING (tmp, 0); | |
605 | envv[i] = alloca (XSTRING (tmp)->size + 1); | |
606 | strcpy (envv[i], XSTRING (tmp)->data); | |
607 | } | |
608 | envv[len] = (char *) 0; | |
609 | } | |
610 | ||
30d0f552 | 611 | if (STRINGP (dir)) |
1b94449f RS |
612 | chdir (XSTRING (dir)->data); |
613 | inbak = dup (0); | |
614 | outbak = dup (1); | |
615 | errbak = dup (2); | |
616 | if (inbak < 0 || outbak < 0 || errbak < 0) | |
617 | goto done; /* Allocation might fail due to lack of descriptors. */ | |
aee81730 RS |
618 | |
619 | if (have_mouse > 0) | |
620 | { | |
621 | mouse_get_xy (&x, &y); | |
622 | mouse_off (); | |
623 | } | |
624 | dos_ttcooked(); /* do it here while 0 = stdin */ | |
625 | ||
1b94449f RS |
626 | dup2 (tempin, 0); |
627 | dup2 (tempout, 1); | |
628 | dup2 (tempout, 2); | |
aee81730 | 629 | |
1b94449f | 630 | result = spawnve (P_WAIT, argv[0], argv, envv); |
aee81730 | 631 | |
1b94449f RS |
632 | dup2 (inbak, 0); |
633 | dup2 (outbak, 1); | |
634 | dup2 (errbak, 2); | |
aee81730 RS |
635 | close (inbak); |
636 | close (outbak); | |
637 | close (errbak); | |
638 | ||
639 | dos_ttraw(); | |
640 | if (have_mouse > 0) { | |
641 | mouse_init (); | |
642 | mouse_moveto (x, y); | |
643 | } | |
644 | ||
1b94449f RS |
645 | done: |
646 | chdir (oldwd); | |
647 | if (msshell) | |
648 | { | |
649 | argv[1] = saveargv1; | |
647c32eb | 650 | argv[2] = saveargv2; |
1b94449f RS |
651 | } |
652 | return result; | |
653 | } | |
654 | ||
655 | ||
656 | croak (badfunc) | |
657 | char *badfunc; | |
658 | { | |
659 | fprintf (stderr, "%s not yet implemented\r\n", badfunc); | |
660 | reset_sys_modes (); | |
661 | exit (1); | |
662 | } | |
663 | ||
664 | /* A list of unimplemented functions that we silently ignore. */ | |
665 | unsigned alarm (s) unsigned s; {} | |
666 | fork () { return 0; } | |
667 | int kill (x, y) int x, y; { return -1; } | |
668 | nice (p) int p; {} | |
669 | void volatile pause () {} | |
670 | request_sigio () {} | |
671 | setpgrp () {return 0; } | |
672 | setpriority (x,y,z) int x,y,z; { return 0; } | |
673 | sigsetmask (x) int x; { return 0; } | |
674 | unrequest_sigio () {} | |
675 | ||
676 | #ifdef chdir | |
677 | #undef chdir | |
678 | #endif | |
679 | ||
680 | int | |
681 | sys_chdir (path) | |
682 | const char* path; | |
683 | { | |
684 | int len = strlen (path); | |
aee81730 | 685 | char *tmp = (char *)path; |
1b94449f RS |
686 | /* Gotta do this extern here due to the corresponding #define: */ |
687 | extern int chdir (); | |
688 | ||
aee81730 RS |
689 | if (*tmp && tmp[1] == ':') |
690 | { | |
691 | if (getdisk () != tolower (tmp[0]) - 'a') | |
692 | setdisk (tolower (tmp[0]) - 'a'); | |
693 | tmp += 2; /* strip drive: KFS 1995-07-06 */ | |
694 | len -= 2; | |
695 | } | |
696 | ||
697 | if (len > 1 && (tmp[len - 1] == '/')) | |
698 | { | |
699 | char *tmp1 = (char *) alloca (len + 1); | |
700 | strcpy (tmp1, tmp); | |
701 | tmp1[len - 1] = 0; | |
702 | tmp = tmp1; | |
703 | } | |
1b94449f RS |
704 | return chdir (tmp); |
705 | } | |
706 | ||
aee81730 RS |
707 | #ifndef HAVE_SELECT |
708 | #include "sysselect.h" | |
709 | ||
710 | /* Only event queue is checked. */ | |
711 | int | |
712 | sys_select (nfds, rfds, wfds, efds, timeout) | |
713 | int nfds; | |
714 | SELECT_TYPE *rfds, *wfds, *efds; | |
715 | EMACS_TIME *timeout; | |
1b94449f | 716 | { |
aee81730 RS |
717 | SELECT_TYPE orfds; |
718 | long timeoutval, clnow, cllast; | |
719 | struct time t; | |
1b94449f | 720 | |
aee81730 RS |
721 | FD_ZERO (&orfds); |
722 | if (rfds) | |
723 | { | |
724 | orfds = *rfds; | |
725 | FD_ZERO (rfds); | |
726 | } | |
727 | if (wfds) | |
728 | FD_ZERO (wfds); | |
729 | if (efds) | |
730 | FD_ZERO (efds); | |
1b94449f | 731 | |
aee81730 RS |
732 | if (nfds != 1 || !FD_ISSET (0, &orfds)) |
733 | abort (); | |
734 | ||
735 | /* If we are looking only for the terminal, with no timeout, | |
736 | just read it and wait -- that's more efficient. */ | |
737 | if (!timeout) | |
1b94449f | 738 | { |
aee81730 | 739 | while (! detect_input_pending ()); |
1b94449f | 740 | } |
aee81730 RS |
741 | else |
742 | { | |
743 | timeoutval = EMACS_SECS (*timeout) * 100 + EMACS_USECS (*timeout) / 10000; | |
744 | gettime (&t); | |
745 | cllast = t.ti_sec * 100 + t.ti_hund; | |
746 | ||
747 | while (!detect_input_pending ()) | |
748 | { | |
749 | gettime (&t); | |
750 | clnow = t.ti_sec * 100 + t.ti_hund; | |
751 | if (clnow < cllast) /* time wrap */ | |
752 | timeoutval -= clnow + 6000 - cllast; | |
753 | else | |
754 | timeoutval -= clnow - cllast; | |
755 | if (timeoutval <= 0) /* Stop on timer being cleared */ | |
756 | return 0; | |
757 | cllast = clnow; | |
758 | } | |
759 | } | |
760 | ||
761 | FD_SET (0, rfds); | |
762 | return 1; | |
1b94449f | 763 | } |
aee81730 | 764 | #endif |
1b94449f | 765 | |
88b28483 RS |
766 | /* The Emacs root directory as determined by init_environment. */ |
767 | static char emacsroot[MAXPATHLEN]; | |
768 | ||
769 | char * | |
770 | rootrelativepath (rel) | |
771 | char *rel; | |
772 | { | |
773 | static char result[MAXPATHLEN + 10]; | |
774 | ||
775 | strcpy (result, emacsroot); | |
776 | strcat (result, "/"); | |
777 | strcat (result, rel); | |
778 | return result; | |
779 | } | |
780 | ||
1b94449f RS |
781 | /* Define a lot of environment variables if not already defined. Don't |
782 | remove anything unless you know what you're doing -- lots of code will | |
783 | break if one or more of these are missing. */ | |
784 | void | |
785 | init_environment (argc, argv, skip_args) | |
786 | int argc; | |
787 | char **argv; | |
788 | int skip_args; | |
789 | { | |
88b28483 RS |
790 | char *s, *t, *root; |
791 | int len; | |
792 | ||
793 | /* Find our root from argv[0]. Assuming argv[0] is, say, | |
794 | "c:/emacs/bin/emacs.exe" our root will be "c:/emacs". */ | |
872e2c82 RS |
795 | root = alloca (MAXPATHLEN + 20); |
796 | _fixpath (argv[0], root); | |
87485d6f MW |
797 | strlwr (root); |
798 | len = strlen (root); | |
88b28483 RS |
799 | while (len > 0 && root[len] != '/' && root[len] != ':') |
800 | len--; | |
801 | root[len] = '\0'; | |
802 | if (len > 4 && strcmp (root + len - 4, "/bin") == 0) | |
803 | root[len - 4] = '\0'; | |
1b94449f | 804 | else |
88b28483 RS |
805 | strcpy (root, "c:/emacs"); /* Only under debuggers, I think. */ |
806 | len = strlen (root); | |
807 | strcpy (emacsroot, root); | |
808 | ||
809 | /* We default HOME to our root. */ | |
810 | setenv ("HOME", root, 0); | |
811 | ||
812 | /* We default EMACSPATH to root + "/bin". */ | |
813 | strcpy (root + len, "/bin"); | |
814 | setenv ("EMACSPATH", root, 0); | |
1b94449f RS |
815 | |
816 | /* I don't expect anybody to ever use other terminals so the internal | |
817 | terminal is the default. */ | |
818 | setenv ("TERM", "internal", 0); | |
819 | ||
87485d6f MW |
820 | #ifdef HAVE_X_WINDOWS |
821 | /* Emacs expects DISPLAY to be set. */ | |
822 | setenv ("DISPLAY", "unix:0.0", 0); | |
823 | #endif | |
824 | ||
1b94449f RS |
825 | /* SHELL is a bit tricky -- COMSPEC is the closest we come, but we must |
826 | downcase it and mirror the backslashes. */ | |
827 | s = getenv ("COMSPEC"); | |
828 | if (!s) s = "c:/command.com"; | |
829 | t = alloca (strlen (s) + 1); | |
830 | strcpy (t, s); | |
831 | strlwr (t); | |
832 | dostounix_filename (t); | |
833 | setenv ("SHELL", t, 0); | |
834 | ||
835 | /* PATH is also downcased and backslashes mirrored. */ | |
836 | s = getenv ("PATH"); | |
837 | if (!s) s = ""; | |
838 | t = alloca (strlen (s) + 3); | |
839 | /* Current directory is always considered part of MsDos's path but it is | |
840 | not normally mentioned. Now it is. */ | |
841 | strcat (strcpy (t, ".;"), s); | |
842 | strlwr (t); | |
843 | dostounix_filename (t); /* Not a single file name, but this should work. */ | |
844 | setenv ("PATH", t, 1); | |
845 | ||
846 | /* In some sense all dos users have root privileges, so... */ | |
847 | setenv ("USER", "root", 0); | |
848 | setenv ("NAME", getenv ("USER"), 0); | |
849 | ||
850 | /* Time zone determined from country code. To make this possible, the | |
851 | country code may not span more than one time zone. In other words, | |
852 | in the USA, you lose. */ | |
853 | switch (dos_country_code) | |
854 | { | |
855 | case 31: /* Belgium */ | |
856 | case 32: /* The Netherlands */ | |
857 | case 33: /* France */ | |
858 | case 34: /* Spain */ | |
859 | case 36: /* Hungary */ | |
860 | case 38: /* Yugoslavia (or what's left of it?) */ | |
861 | case 39: /* Italy */ | |
862 | case 41: /* Switzerland */ | |
863 | case 42: /* Tjekia */ | |
864 | case 45: /* Denmark */ | |
865 | case 46: /* Sweden */ | |
866 | case 47: /* Norway */ | |
867 | case 48: /* Poland */ | |
868 | case 49: /* Germany */ | |
869 | /* Daylight saving from last Sunday in March to last Sunday in | |
870 | September, both at 2AM. */ | |
871 | setenv ("TZ", "MET-01METDST-02,M3.5.0/02:00,M9.5.0/02:00", 0); | |
872 | break; | |
873 | case 44: /* United Kingdom */ | |
874 | case 351: /* Portugal */ | |
875 | case 354: /* Iceland */ | |
876 | setenv ("TZ", "GMT+00", 0); | |
877 | break; | |
878 | case 81: /* Japan */ | |
879 | case 82: /* Korea */ | |
880 | setenv ("TZ", "???-09", 0); | |
881 | break; | |
882 | case 90: /* Turkey */ | |
883 | case 358: /* Finland */ | |
884 | case 972: /* Israel */ | |
885 | setenv ("TZ", "EET-02", 0); | |
886 | break; | |
887 | } | |
1b94449f RS |
888 | } |
889 | ||
890 | /* Flash the screen as a substitute for BEEPs. */ | |
891 | ||
49a09c76 | 892 | static void |
fcea9cd4 | 893 | do_visible_bell (xorattr) |
1b94449f RS |
894 | unsigned char xorattr; |
895 | { | |
49a09c76 | 896 | asm volatile |
ca986694 | 897 | (" movb $1,%%dl |
1b94449f | 898 | visible_bell_0: |
ca986694 | 899 | movl _ScreenPrimary,%%eax |
49a09c76 | 900 | call dosmemsetup |
ca986694 RS |
901 | movl %%eax,%%ebx |
902 | movl %1,%%ecx | |
903 | movb %0,%%al | |
904 | incl %%ebx | |
1b94449f | 905 | visible_bell_1: |
ca986694 RS |
906 | xorb %%al,%%gs:(%%ebx) |
907 | addl $2,%%ebx | |
908 | decl %%ecx | |
49a09c76 | 909 | jne visible_bell_1 |
ca986694 | 910 | decb %%dl |
49a09c76 | 911 | jne visible_bell_3 |
1b94449f | 912 | visible_bell_2: |
ca986694 RS |
913 | movzwl %%ax,%%eax |
914 | movzwl %%ax,%%eax | |
915 | movzwl %%ax,%%eax | |
916 | movzwl %%ax,%%eax | |
917 | decw %%cx | |
49a09c76 RS |
918 | jne visible_bell_2 |
919 | jmp visible_bell_0 | |
ca986694 RS |
920 | visible_bell_3:" |
921 | : /* no output */ | |
922 | : "m" (xorattr), "g" (ScreenCols () * ScreenRows ()) | |
923 | : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx"); | |
1b94449f RS |
924 | } |
925 | ||
09e2ac30 RS |
926 | /* At screen position (X,Y), output C characters from string S with |
927 | attribute A. Do it fast! */ | |
928 | ||
929 | static void | |
930 | output_string (x, y, s, c, a) | |
931 | int x, y, c; | |
932 | unsigned char *s; | |
933 | unsigned char a; | |
934 | { | |
935 | char *t = (char *)ScreenPrimary + 2 * (x + ScreenCols () * y); | |
aee81730 RS |
936 | #ifdef DO_TERMSCRIPT |
937 | if (termscript) | |
938 | { | |
939 | fprintf (termscript, "<%d@%dx%d>", c, x, y); | |
940 | fwrite (s, sizeof (unsigned char), c, termscript); | |
941 | } | |
942 | #endif | |
09e2ac30 RS |
943 | asm volatile |
944 | (" movl %1,%%eax | |
945 | call dosmemsetup | |
946 | movl %%eax,%%edi | |
947 | movb %0,%%ah | |
948 | movl %2,%%ecx | |
949 | movl %3,%%esi | |
950 | output_string1: | |
951 | movb (%%esi),%%al | |
952 | movw %%ax,%%gs:(%%edi) | |
953 | addl $2,%%edi | |
954 | incl %%esi | |
955 | decl %%ecx | |
956 | jne output_string1" | |
aee81730 | 957 | : /* no output */ |
09e2ac30 | 958 | : "m" (a), "g" (t), "g" (c), "g" (s) |
aee81730 | 959 | : "%eax", "%ecx", /* "%gs",*/ "%esi", "%edi"); |
09e2ac30 RS |
960 | } |
961 | ||
1b94449f | 962 | static int internal_terminal = 0; |
87485d6f MW |
963 | static int highlight; |
964 | ||
1b94449f RS |
965 | #undef fflush |
966 | ||
aee81730 RS |
967 | static int /* number of characters used by escape; -1 if incomplete */ |
968 | flush_escape (resume, cp, count, xp, yp) | |
969 | int resume; | |
970 | unsigned char *cp; | |
971 | int count; | |
972 | int *xp; | |
973 | int *yp; | |
974 | { | |
975 | static char spaces[] = " "; | |
976 | static unsigned char esc_cmd[8]; | |
977 | static int esc_count = 0; | |
978 | int esc_needed; | |
979 | int i, j, used = 0; | |
980 | ||
981 | if (!resume) | |
982 | { | |
983 | esc_cmd[0] = '\e'; | |
984 | esc_count = 1; | |
985 | used++; | |
986 | } | |
987 | ||
988 | while (esc_count < 2) | |
989 | { | |
990 | if (used == count) | |
991 | return -1; | |
992 | esc_cmd[esc_count++] = *cp++; | |
993 | used++; | |
994 | } | |
995 | ||
996 | switch (esc_cmd[1]) | |
997 | { | |
998 | case '@': | |
999 | esc_needed = 4; | |
1000 | break; | |
1001 | case 'A': | |
1002 | case 'B': | |
1003 | case 'X': | |
1004 | esc_needed = 3; | |
1005 | break; | |
1006 | default: | |
1007 | esc_needed = 2; | |
1008 | break; | |
1009 | } | |
1010 | ||
1011 | while (esc_count < esc_needed) | |
1012 | { | |
1013 | if (used == count) | |
1014 | return -1; | |
1015 | esc_cmd[esc_count++] = *cp++; | |
1016 | used++; | |
1017 | } | |
1018 | ||
1019 | switch (esc_cmd[1]) | |
1020 | { | |
1021 | case '@': | |
1022 | *yp = esc_cmd[2]; | |
1023 | *xp = esc_cmd[3]; | |
1024 | break; | |
1025 | case 'A': | |
1026 | ScreenAttrib = esc_cmd[2]; | |
1027 | break; | |
1028 | case 'B': | |
1029 | do_visible_bell (esc_cmd[2]); | |
1030 | break; | |
1031 | case 'C': | |
1032 | ScreenClear (); | |
1033 | *xp = *yp = 0; | |
1034 | break; | |
1035 | case 'E': | |
1036 | i = ScreenCols () - *xp; | |
1037 | j = *xp; | |
1038 | while (i >= sizeof spaces) | |
1039 | { | |
1040 | output_string (j, *yp, spaces, sizeof spaces, ScreenAttrib); | |
1041 | j += sizeof spaces; | |
1042 | i -= sizeof spaces; | |
1043 | } | |
1044 | if (i > 0) | |
1045 | output_string (j, *yp, spaces, i, ScreenAttrib); | |
1046 | break; | |
1047 | case 'R': | |
1048 | ++*xp; | |
1049 | break; | |
1050 | case 'U': | |
1051 | --*yp; | |
1052 | break; | |
1053 | case 'X': | |
1054 | ScreenAttrib ^= esc_cmd[2]; | |
1055 | break; | |
1056 | case '\e': | |
1057 | output_string (*xp, *yp, &esc_cmd[1], 1, ScreenAttrib); | |
1058 | ++*xp; | |
1059 | break; | |
1060 | } | |
1061 | ||
1062 | esc_count = 0; | |
1063 | return used; | |
1064 | } | |
1065 | ||
1b94449f RS |
1066 | int |
1067 | internal_flush (f) | |
1068 | FILE *f; | |
1069 | { | |
1070 | static int x; | |
1071 | static int y; | |
aee81730 | 1072 | static int resume_esc = 0; |
09e2ac30 | 1073 | unsigned char *cp, *cp0; |
aee81730 | 1074 | int count, i; |
1b94449f | 1075 | |
aee81730 | 1076 | if (!internal_terminal || f != stdout) |
1b94449f | 1077 | { |
aee81730 RS |
1078 | /* This is a call to the original fflush. */ |
1079 | fflush (f); | |
1080 | return; | |
1081 | } | |
1082 | ||
1083 | mouse_off (); | |
1084 | cp = stdout->_base; | |
1085 | count = stdout->_ptr - stdout->_base; | |
1086 | ||
1087 | #ifdef DO_TERMSCRIPT | |
1088 | if (termscript) | |
1089 | fprintf (termscript, "\n<FLUSH%s %d>\n", resume_esc ? " RESUME" : "", count); | |
1090 | #endif | |
1091 | ||
1092 | if (resume_esc) | |
1093 | { | |
1094 | i = flush_escape (1, cp, count, &x, &y); | |
1095 | if (i < 0) | |
1096 | count = 0; | |
1097 | else | |
1b94449f | 1098 | { |
aee81730 RS |
1099 | resume_esc = 0; |
1100 | count -= i; | |
1101 | cp += i; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | while (count > 0) | |
1106 | { | |
1107 | switch (*cp++) | |
1108 | { | |
1109 | case 27: | |
1110 | i = flush_escape (0, cp, count, &x, &y); | |
1111 | if (i < 0) | |
1b94449f | 1112 | { |
aee81730 RS |
1113 | resume_esc = 1; |
1114 | count = 0; | |
1b94449f | 1115 | } |
aee81730 RS |
1116 | else |
1117 | { | |
1118 | count -= i; | |
1119 | cp += i - 1; | |
1120 | } | |
1121 | break; | |
1122 | case 7: | |
1123 | write (1, "\007", 1); | |
1124 | count--; | |
1125 | break; | |
1126 | case 8: | |
1127 | x--; | |
1128 | count--; | |
1129 | break; | |
1130 | case 13: | |
1131 | x = 0; | |
1132 | count--; | |
1133 | break; | |
1134 | case 10: | |
1135 | y++; | |
1136 | count--; | |
1137 | break; | |
1138 | default: | |
1139 | cp0 = cp - 1; | |
1140 | count--; | |
1141 | while (count > 0 && *cp >= ' ') | |
1142 | cp++, count--; | |
1143 | output_string (x, y, cp0, cp - cp0, ScreenAttrib); | |
1144 | x += (cp - cp0); | |
1b94449f | 1145 | } |
1b94449f | 1146 | } |
aee81730 RS |
1147 | fpurge (stdout); |
1148 | ScreenSetCursor (y, x); | |
1149 | mouse_on (); | |
1b94449f RS |
1150 | } |
1151 | ||
87485d6f MW |
1152 | #ifndef HAVE_X_WINDOWS |
1153 | static void | |
1154 | rien_du_tout () | |
1155 | { | |
1156 | /* Rien du tout, cela va sans dire! */ | |
1157 | } | |
1158 | ||
1159 | static | |
1160 | IT_ring_bell () | |
1161 | { | |
1162 | if (visible_bell) | |
1163 | { | |
1164 | /* This creates an xor-mask that will swap the default fore- and | |
1165 | background colors. */ | |
aee81730 | 1166 | mouse_off (); |
87485d6f MW |
1167 | do_visible_bell (((the_only_x_display.foreground_pixel |
1168 | ^ the_only_x_display.background_pixel) | |
1169 | * 0x11) & 0x7f); | |
aee81730 | 1170 | mouse_on (); |
87485d6f MW |
1171 | } |
1172 | else | |
1173 | /* Write it directly to ms-dos -- don't let it go through our terminal | |
1174 | emulator. This way the mouse cursor won't blink. */ | |
1175 | write (1, "\007", 1); | |
1176 | } | |
1177 | ||
1178 | static void | |
1179 | IT_set_face (int face) | |
1180 | { | |
1181 | struct face *fp; | |
1182 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); | |
1183 | ||
1184 | if (face == 1 || (face == 0 && highlight)) | |
1185 | fp = FRAME_MODE_LINE_FACE (foo); | |
1186 | else if (face <= 0 || face >= FRAME_N_COMPUTED_FACES (foo)) | |
1187 | fp = FRAME_DEFAULT_FACE (foo); | |
1188 | else | |
1189 | fp = intern_face (selected_frame, FRAME_COMPUTED_FACES (foo)[face]); | |
aee81730 RS |
1190 | #ifdef DO_TERMSCRIPT |
1191 | if (termscript) | |
1192 | fprintf (termscript, "<FACE:%d:%d>", FACE_FOREGROUND (fp), FACE_BACKGROUND (fp)); | |
1193 | #endif | |
87485d6f MW |
1194 | putchar ('\e'); |
1195 | putchar ('A'); | |
1196 | putchar ((FACE_BACKGROUND (fp) << 4) | FACE_FOREGROUND (fp)); | |
1197 | } | |
1198 | ||
1199 | static | |
1200 | IT_write_glyphs (GLYPH *str, int len) | |
1201 | { | |
1202 | int face = -1; | |
1203 | int newface; | |
aee81730 RS |
1204 | int ch; |
1205 | ||
87485d6f MW |
1206 | while (len > 0) |
1207 | { | |
1208 | newface = FAST_GLYPH_FACE (*str); | |
1209 | if (newface != face) | |
1210 | IT_set_face ((face = newface)); | |
aee81730 RS |
1211 | ch = FAST_GLYPH_CHAR (*str); |
1212 | #ifdef DO_TERMSCRIPT | |
1213 | if (termscript) | |
1214 | fputc (ch, termscript); | |
1215 | #endif | |
1216 | if (ch == '\e') putchar (ch); /* allow esc to be printed */ | |
1217 | putchar (ch); | |
87485d6f MW |
1218 | str++, len--; |
1219 | } | |
1220 | } | |
1221 | ||
1222 | static | |
1223 | IT_clear_end_of_line (first_unused) | |
1224 | { | |
aee81730 RS |
1225 | IT_set_face (0); |
1226 | #ifdef DO_TERMSCRIPT | |
1227 | if (termscript) | |
1228 | fprintf (termscript, "<CLR:EOL>"); | |
1229 | #endif | |
87485d6f MW |
1230 | putchar ('\e'); |
1231 | putchar ('E'); | |
1232 | } | |
1233 | ||
1234 | static | |
1235 | IT_cursor_to (int y, int x) | |
1236 | { | |
aee81730 RS |
1237 | #ifdef DO_TERMSCRIPT |
1238 | if (termscript) | |
1239 | fprintf (termscript, "\n<XY=%dx%d>", x, y); | |
1240 | #endif | |
87485d6f MW |
1241 | putchar ('\e'); |
1242 | putchar ('@'); | |
1243 | putchar (y); | |
1244 | putchar (x); | |
1245 | } | |
1246 | ||
1247 | IT_reassert_line_highlight (new, vpos) | |
1248 | int new, vpos; | |
1249 | { | |
1250 | highlight = new; | |
1251 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
1252 | } | |
1253 | ||
1254 | static | |
1255 | IT_change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
1256 | { | |
1257 | highlight = new_highlight; | |
1258 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
1259 | IT_cursor_to (vpos, 0); | |
1260 | IT_clear_end_of_line (first_unused_hpos); | |
1261 | } | |
1262 | ||
1263 | static | |
1264 | IT_update_begin () | |
1265 | { | |
1266 | highlight = 0; | |
1267 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
1268 | } | |
1269 | ||
1270 | /* This was more or less copied from xterm.c */ | |
1271 | static void | |
1272 | IT_set_menu_bar_lines (window, n) | |
1273 | Lisp_Object window; | |
1274 | int n; | |
1275 | { | |
1276 | struct window *w = XWINDOW (window); | |
1277 | ||
1278 | XSETFASTINT (w->top, XFASTINT (w->top) + n); | |
1279 | XSETFASTINT (w->height, XFASTINT (w->height) - n); | |
1280 | ||
1281 | /* Handle just the top child in a vertical split. */ | |
1282 | if (!NILP (w->vchild)) | |
1283 | IT_set_menu_bar_lines (w->vchild, n); | |
1284 | ||
1285 | /* Adjust all children in a horizontal split. */ | |
1286 | for (window = w->hchild; !NILP (window); window = w->next) | |
1287 | { | |
1288 | w = XWINDOW (window); | |
1289 | IT_set_menu_bar_lines (window, n); | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | void | |
1294 | IT_set_frame_parameters (frame, alist) | |
1295 | FRAME_PTR frame; | |
1296 | Lisp_Object alist; | |
1297 | { | |
1298 | Lisp_Object tail; | |
1299 | int redraw; | |
1300 | extern unsigned long load_color (); | |
1301 | FRAME_PTR f = (FRAME_PTR) &the_only_frame; | |
1302 | ||
1303 | redraw = 0; | |
1304 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) | |
1305 | { | |
1306 | Lisp_Object elt, prop, val; | |
1307 | ||
1308 | elt = Fcar (tail); | |
1309 | prop = Fcar (elt); | |
1310 | val = Fcdr (elt); | |
1311 | CHECK_SYMBOL (prop, 1); | |
1312 | ||
1313 | if (EQ (prop, intern ("foreground-color"))) | |
1314 | { | |
1315 | unsigned long new_color = load_color (f, val); | |
1316 | if (new_color != ~0) | |
1317 | { | |
1318 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
1319 | redraw = 1; | |
1320 | } | |
1321 | } | |
1322 | else if (EQ (prop, intern ("background-color"))) | |
1323 | { | |
1324 | unsigned long new_color = load_color (f, val); | |
1325 | if (new_color != ~0) | |
1326 | { | |
1327 | FRAME_BACKGROUND_PIXEL (f) = new_color & ~8; | |
1328 | redraw = 1; | |
1329 | } | |
1330 | } | |
1331 | else if (EQ (prop, intern ("menu-bar-lines"))) | |
1332 | { | |
1333 | int new; | |
1334 | int old = FRAME_MENU_BAR_LINES (the_only_frame); | |
1335 | ||
1336 | if (INTEGERP (val)) | |
1337 | new = XINT (val); | |
1338 | else | |
1339 | new = 0; | |
1340 | FRAME_MENU_BAR_LINES (f) = new; | |
1341 | IT_set_menu_bar_lines (the_only_frame.root_window, new - old); | |
1342 | } | |
1343 | } | |
1344 | ||
1345 | if (redraw) | |
1346 | { | |
1347 | recompute_basic_faces (f); | |
1348 | Fredraw_frame (Fselected_frame ()); | |
1349 | } | |
1350 | } | |
1351 | ||
1352 | /* Similar to the_only_frame. */ | |
1353 | struct x_display the_only_x_display; | |
1354 | ||
1355 | /* This is never dereferenced. */ | |
1356 | Display *x_current_display; | |
1357 | ||
1358 | #endif /* !HAVE_X_WINDOWS */ | |
1359 | ||
1b94449f RS |
1360 | /* Do we need the internal terminal? */ |
1361 | void | |
1362 | internal_terminal_init () | |
1363 | { | |
1364 | char *term = getenv ("TERM"); | |
aee81730 RS |
1365 | char *colors; |
1366 | ||
87485d6f MW |
1367 | #ifdef HAVE_X_WINDOWS |
1368 | if (!inhibit_window_system) | |
1369 | return; | |
1370 | #endif | |
1371 | ||
1b94449f RS |
1372 | internal_terminal |
1373 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
87485d6f MW |
1374 | |
1375 | #ifndef HAVE_X_WINDOWS | |
1376 | if (internal_terminal && !inhibit_window_system) | |
1377 | { | |
1378 | Vwindow_system = intern ("pc"); | |
1379 | Vwindow_system_version = make_number (1); | |
1380 | ||
1381 | bzero (&the_only_x_display, sizeof the_only_x_display); | |
1382 | the_only_x_display.background_pixel = 7; /* White */ | |
1383 | the_only_x_display.foreground_pixel = 0; /* Black */ | |
aee81730 RS |
1384 | colors = getenv ("EMACSCOLORS"); |
1385 | if (colors && strlen (colors) >=2) | |
1386 | { | |
1387 | the_only_x_display.foreground_pixel = colors[0] & 0x07; | |
1388 | the_only_x_display.background_pixel = colors[1] & 0x07; | |
1389 | } | |
87485d6f MW |
1390 | the_only_x_display.line_height = 1; |
1391 | the_only_frame.display.x = &the_only_x_display; | |
1392 | the_only_frame.output_method = output_msdos_raw; | |
1393 | ||
1394 | init_frame_faces ((FRAME_PTR) &the_only_frame); | |
1395 | ||
1396 | ring_bell_hook = IT_ring_bell; | |
1397 | write_glyphs_hook = IT_write_glyphs; | |
1398 | cursor_to_hook = raw_cursor_to_hook = IT_cursor_to; | |
1399 | clear_end_of_line_hook = IT_clear_end_of_line; | |
1400 | change_line_highlight_hook = IT_change_line_highlight; | |
1401 | update_begin_hook = IT_update_begin; | |
1402 | reassert_line_highlight_hook = IT_reassert_line_highlight; | |
1403 | ||
1404 | /* These hooks are called by term.c without being checked. */ | |
1405 | set_terminal_modes_hook | |
1406 | = reset_terminal_modes_hook | |
1407 | = update_end_hook | |
1408 | = set_terminal_window_hook | |
1409 | = (void *)rien_du_tout; | |
1410 | } | |
1411 | else | |
1412 | the_only_frame.output_method = output_termcap; | |
1413 | #endif | |
1b94449f | 1414 | } |
b278e52a RS |
1415 | \f |
1416 | /* When time zones are set from Ms-Dos too may C-libraries are playing | |
1417 | tricks with time values. We solve this by defining our own version | |
70b13a6c PE |
1418 | of `gettimeofday' bypassing GO32. Our version needs to be initialized |
1419 | once and after each call to `tzset' with TZ changed. */ | |
1420 | ||
1421 | static int daylight, gmtoffset; | |
b278e52a RS |
1422 | |
1423 | int | |
1424 | gettimeofday (struct timeval *tp, struct timezone *tzp) | |
1425 | { | |
1426 | if (tp) | |
1427 | { | |
1428 | struct time t; | |
70b13a6c PE |
1429 | struct date d; |
1430 | struct tm tmrec; | |
b278e52a RS |
1431 | |
1432 | gettime (&t); | |
70b13a6c PE |
1433 | /* If midnight occurs here, the results can be incorrect. */ |
1434 | getdate (&d); | |
1435 | tmrec.tm_year = d.da_year - 1900; | |
1436 | tmrec.tm_mon = d.da_mon - 1; | |
1437 | tmrec.tm_mday = d.da_day; | |
1438 | tmrec.tm_hour = t.ti_hour; | |
1439 | tmrec.tm_min = t.ti_min; | |
1440 | tmrec.tm_sec = t.ti_sec; | |
1441 | tmrec.tm_gmtoff = gmtoffset; | |
1442 | tmrec.tm_isdst = daylight; | |
1443 | tp->tv_sec = mktime (&tmrec); | |
1444 | tp->tv_usec = t.ti_hund * (1000000 / 100); | |
b278e52a | 1445 | } |
ccc4fdaa | 1446 | /* Ignore tzp; it's obsolescent. */ |
b278e52a RS |
1447 | return 0; |
1448 | } | |
70b13a6c PE |
1449 | |
1450 | void | |
1451 | init_gettimeofday () | |
1452 | { | |
1453 | time_t ltm, gtm; | |
1454 | struct tm *lstm; | |
1455 | #undef tzset | |
1456 | extern void tzset (void); | |
1457 | ||
1458 | tzset (); | |
1459 | daylight = 0; | |
1460 | gmtoffset = 0; | |
1461 | ltm = gtm = time (NULL); | |
1462 | ltm = mktime (lstm = localtime (<m)); | |
1463 | gtm = mktime (gmtime (>m)); | |
1464 | daylight = lstm->tm_isdst; | |
1465 | gmtoffset = (int)(gtm - ltm) / 60; | |
1466 | } | |
b278e52a | 1467 | \f |
1b94449f RS |
1468 | /* These must be global. */ |
1469 | static _go32_dpmi_seginfo ctrl_break_vector; | |
1470 | static _go32_dpmi_registers ctrl_break_regs; | |
1471 | static int ctrlbreakinstalled = 0; | |
1472 | ||
1473 | /* Interrupt level detection of Ctrl-Break. Don't do anything fancy here! */ | |
1474 | void | |
1475 | ctrl_break_func (regs) | |
1476 | _go32_dpmi_registers *regs; | |
1477 | { | |
1478 | Vquit_flag = Qt; | |
1479 | } | |
1480 | ||
1481 | void | |
1482 | install_ctrl_break_check () | |
1483 | { | |
1484 | if (!ctrlbreakinstalled) | |
1485 | { | |
1486 | /* Don't press Ctrl-Break if you don't have either DPMI or Emacs | |
ca986694 | 1487 | was compiler with Djgpp 1.11 maintenance level 5 or later! */ |
1b94449f RS |
1488 | ctrlbreakinstalled = 1; |
1489 | ctrl_break_vector.pm_offset = (int) ctrl_break_func; | |
1490 | _go32_dpmi_allocate_real_mode_callback_iret (&ctrl_break_vector, | |
1491 | &ctrl_break_regs); | |
1492 | _go32_dpmi_set_real_mode_interrupt_vector (0x1b, &ctrl_break_vector); | |
1493 | } | |
1494 | } | |
1495 | \f | |
87485d6f MW |
1496 | /* Mouse routines follow. Coordinates are in screen positions and zero |
1497 | based. Mouse buttons are numbered from left to right and also zero | |
1498 | based. */ | |
1b94449f RS |
1499 | |
1500 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; | |
1501 | static int mouse_button_count; | |
1502 | ||
1503 | void | |
1504 | mouse_init () | |
1505 | { | |
1506 | union REGS regs; | |
1507 | ||
1508 | regs.x.ax = 0x0007; | |
1509 | regs.x.cx = 0; | |
1510 | regs.x.dx = 8 * (ScreenCols () - 1); | |
1511 | int86 (0x33, ®s, ®s); | |
1512 | ||
1513 | regs.x.ax = 0x0008; | |
1514 | regs.x.cx = 0; | |
1515 | regs.x.dx = 8 * (ScreenRows () - 1); | |
1516 | int86 (0x33, ®s, ®s); | |
1517 | ||
1518 | mouse_moveto (ScreenCols () - 1, ScreenRows () - 1); | |
1519 | mouse_on (); | |
1520 | } | |
1521 | ||
1522 | void | |
1523 | mouse_on () | |
1524 | { | |
1525 | union REGS regs; | |
1526 | ||
aee81730 RS |
1527 | if (have_mouse > 0) |
1528 | { | |
1529 | regs.x.ax = 0x0001; | |
1530 | int86 (0x33, ®s, ®s); | |
1531 | } | |
1b94449f RS |
1532 | } |
1533 | ||
1534 | void | |
1535 | mouse_off () | |
1536 | { | |
1537 | union REGS regs; | |
1538 | ||
aee81730 RS |
1539 | if (have_mouse > 0) |
1540 | { | |
1541 | regs.x.ax = 0x0002; | |
1542 | int86 (0x33, ®s, ®s); | |
1543 | } | |
1b94449f RS |
1544 | } |
1545 | ||
1546 | void | |
1547 | mouse_moveto (x, y) | |
1548 | int x, y; | |
1549 | { | |
1550 | union REGS regs; | |
1551 | ||
1552 | regs.x.ax = 0x0004; | |
1553 | mouse_last_x = regs.x.cx = x * 8; | |
1554 | mouse_last_y = regs.x.dx = y * 8; | |
1555 | int86 (0x33, ®s, ®s); | |
1556 | } | |
1557 | ||
1558 | int | |
1559 | mouse_pressed (b, xp, yp) | |
1560 | int b, *xp, *yp; | |
1561 | { | |
1562 | union REGS regs; | |
1563 | ||
1564 | if (b >= mouse_button_count) | |
1565 | return 0; | |
1566 | regs.x.ax = 0x0005; | |
1567 | regs.x.bx = mouse_button_translate[b]; | |
1568 | int86 (0x33, ®s, ®s); | |
1569 | if (regs.x.bx) | |
ca986694 | 1570 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; |
1b94449f RS |
1571 | return (regs.x.bx != 0); |
1572 | } | |
1573 | ||
1574 | int | |
1575 | mouse_released (b, xp, yp) | |
1576 | int b, *xp, *yp; | |
1577 | { | |
1578 | union REGS regs; | |
1579 | ||
1580 | if (b >= mouse_button_count) | |
1581 | return 0; | |
1582 | regs.x.ax = 0x0006; | |
1583 | regs.x.bx = mouse_button_translate[b]; | |
1584 | int86 (0x33, ®s, ®s); | |
aee81730 RS |
1585 | #if 0 |
1586 | if (regs.x.ax & (1 << mouse_button_translate[b])) | |
1587 | regs.x.bx = 0; /* if mouse is still pressed, ignore release */ | |
1588 | #endif | |
1b94449f RS |
1589 | if (regs.x.bx) |
1590 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
1591 | return (regs.x.bx != 0); | |
1592 | } | |
1593 | ||
87485d6f MW |
1594 | static void |
1595 | mouse_get_xy (int *x, int *y) | |
1596 | { | |
1597 | union REGS regs; | |
1598 | ||
1599 | regs.x.ax = 0x0003; | |
1600 | int86 (0x33, ®s, ®s); | |
1601 | *x = regs.x.cx / 8; | |
1602 | *y = regs.x.dx / 8; | |
1603 | } | |
1604 | ||
1b94449f | 1605 | void |
fadfaf55 | 1606 | mouse_get_pos (f, insist, bar_window, part, x, y, time) |
1b94449f | 1607 | FRAME_PTR *f; |
fadfaf55 | 1608 | int insist; |
1b94449f RS |
1609 | Lisp_Object *bar_window, *x, *y; |
1610 | enum scroll_bar_part *part; | |
1611 | unsigned long *time; | |
1612 | { | |
87485d6f | 1613 | int ix, iy; |
1b94449f | 1614 | union REGS regs; |
1b94449f RS |
1615 | |
1616 | regs.x.ax = 0x0003; | |
1617 | int86 (0x33, ®s, ®s); | |
1618 | *f = selected_frame; | |
1619 | *bar_window = Qnil; | |
87485d6f | 1620 | mouse_get_xy (&ix, &iy); |
f2f23562 | 1621 | selected_frame->mouse_moved = 0; |
87485d6f MW |
1622 | *x = make_number (ix); |
1623 | *y = make_number (iy); | |
aee81730 | 1624 | *time = event_timestamp (); |
1b94449f RS |
1625 | } |
1626 | ||
1627 | void | |
1628 | mouse_check_moved () | |
1629 | { | |
87485d6f | 1630 | int x, y; |
1b94449f | 1631 | |
87485d6f | 1632 | mouse_get_xy (&x, &y); |
f2f23562 | 1633 | selected_frame->mouse_moved |= (x != mouse_last_x || y != mouse_last_y); |
87485d6f MW |
1634 | mouse_last_x = x; |
1635 | mouse_last_y = y; | |
1b94449f RS |
1636 | } |
1637 | ||
1638 | int | |
1639 | mouse_init1 () | |
1640 | { | |
1641 | union REGS regs; | |
1642 | int present; | |
1643 | ||
87485d6f MW |
1644 | #ifdef HAVE_X_WINDOWS |
1645 | if (!inhibit_window_system) | |
1646 | return 0; | |
1647 | #endif | |
e118d5ef RS |
1648 | if (!internal_terminal) |
1649 | return 0; | |
1650 | ||
1b94449f RS |
1651 | regs.x.ax = 0x0021; |
1652 | int86 (0x33, ®s, ®s); | |
e118d5ef RS |
1653 | present = (regs.x.ax & 0xffff) == 0xffff; |
1654 | if (!present) | |
1655 | { | |
1656 | /* Reportedly, the above doesn't work for some mouse drivers. There | |
1657 | is an additional detection method that should work, but might be | |
1658 | a little slower. Use that as an alternative. */ | |
1659 | regs.x.ax = 0x0000; | |
1660 | int86 (0x33, ®s, ®s); | |
1661 | present = (regs.x.ax & 0xffff) == 0xffff; | |
1662 | } | |
1663 | ||
1b94449f RS |
1664 | if (present) |
1665 | { | |
1666 | if (regs.x.bx == 3) | |
1667 | { | |
1668 | mouse_button_count = 3; | |
1669 | mouse_button_translate[0] = 0; /* Left */ | |
1670 | mouse_button_translate[1] = 2; /* Middle */ | |
1671 | mouse_button_translate[2] = 1; /* Right */ | |
1672 | } | |
1673 | else | |
1674 | { | |
1675 | mouse_button_count = 2; | |
1676 | mouse_button_translate[0] = 0; | |
1677 | mouse_button_translate[1] = 1; | |
1678 | } | |
1679 | mouse_position_hook = &mouse_get_pos; | |
1680 | mouse_init (); | |
aee81730 | 1681 | } |
1b94449f RS |
1682 | return present; |
1683 | } | |
1684 | ||
87485d6f | 1685 | #ifndef HAVE_X_WINDOWS |
49a09c76 RS |
1686 | /* See xterm.c for more info. */ |
1687 | void | |
1688 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1689 | FRAME_PTR f; | |
1690 | register int pix_x, pix_y; | |
1691 | register int *x, *y; | |
1692 | void /* XRectangle */ *bounds; | |
1693 | int noclip; | |
1694 | { | |
1695 | if (bounds) abort (); | |
1696 | ||
1697 | /* Ignore clipping. */ | |
1698 | ||
1699 | *x = pix_x; | |
1700 | *y = pix_y; | |
1701 | } | |
1702 | ||
1703 | void | |
1704 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1705 | FRAME_PTR f; | |
1706 | register int x, y; | |
1707 | register int *pix_x, *pix_y; | |
1708 | { | |
1709 | *pix_x = x; | |
1710 | *pix_y = y; | |
1711 | } | |
87485d6f MW |
1712 | \f |
1713 | /* Simulation of X's menus. Nothing too fancy here -- just make it work | |
1714 | for now. | |
1715 | ||
1716 | Actually, I don't know the meaning of all the parameters of the functions | |
1717 | here -- I only know how they are called by xmenu.c. I could of course | |
1718 | grab the nearest Xlib manual (down the hall, second-to-last door on the | |
1719 | left), but I don't think it's worth the effort. */ | |
1720 | ||
1721 | static XMenu * | |
1722 | IT_menu_create () | |
1723 | { | |
1724 | XMenu *menu; | |
1725 | ||
1726 | menu = (XMenu *) xmalloc (sizeof (XMenu)); | |
1727 | menu->allocated = menu->count = menu->panecount = menu->width = 0; | |
1728 | return menu; | |
1729 | } | |
1730 | ||
1731 | /* Allocate some (more) memory for MENU ensuring that there is room for one | |
1732 | for item. */ | |
aee81730 | 1733 | |
87485d6f MW |
1734 | static void |
1735 | IT_menu_make_room (XMenu *menu) | |
1736 | { | |
1737 | if (menu->allocated == 0) | |
1738 | { | |
1739 | int count = menu->allocated = 10; | |
1740 | menu->text = (char **) xmalloc (count * sizeof (char *)); | |
1741 | menu->submenu = (XMenu **) xmalloc (count * sizeof (XMenu *)); | |
1742 | menu->panenumber = (int *) xmalloc (count * sizeof (int)); | |
1743 | } | |
1744 | else if (menu->allocated == menu->count) | |
1745 | { | |
1746 | int count = menu->allocated = menu->allocated + 10; | |
1747 | menu->text | |
1748 | = (char **) xrealloc (menu->text, count * sizeof (char *)); | |
1749 | menu->submenu | |
1750 | = (XMenu **) xrealloc (menu->submenu, count * sizeof (XMenu *)); | |
1751 | menu->panenumber | |
1752 | = (int *) xrealloc (menu->panenumber, count * sizeof (int)); | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | /* Search the given menu structure for a given pane number. */ | |
aee81730 | 1757 | |
87485d6f MW |
1758 | static XMenu * |
1759 | IT_menu_search_pane (XMenu *menu, int pane) | |
1760 | { | |
1761 | int i; | |
1762 | XMenu *try; | |
1763 | ||
1764 | for (i = 0; i < menu->count; i++) | |
1765 | if (menu->submenu[i]) | |
aee81730 RS |
1766 | { |
1767 | if (pane == menu->panenumber[i]) | |
1768 | return menu->submenu[i]; | |
1769 | else if ((try = IT_menu_search_pane (menu->submenu[i], pane))) | |
87485d6f | 1770 | return try; |
aee81730 | 1771 | } |
87485d6f MW |
1772 | return (XMenu *) 0; |
1773 | } | |
1774 | ||
1775 | /* Determine how much screen space a given menu needs. */ | |
aee81730 | 1776 | |
87485d6f MW |
1777 | static void |
1778 | IT_menu_calc_size (XMenu *menu, int *width, int *height) | |
1779 | { | |
1780 | int i, h2, w2, maxsubwidth, maxheight; | |
1781 | ||
1782 | maxsubwidth = 0; | |
1783 | maxheight = menu->count; | |
1784 | for (i = 0; i < menu->count; i++) | |
1785 | { | |
1786 | if (menu->submenu[i]) | |
1787 | { | |
1788 | IT_menu_calc_size (menu->submenu[i], &w2, &h2); | |
1789 | if (w2 > maxsubwidth) maxsubwidth = w2; | |
1790 | if (i + h2 > maxheight) maxheight = i + h2; | |
1791 | } | |
1792 | } | |
1793 | *width = menu->width + maxsubwidth; | |
1794 | *height = maxheight; | |
1795 | } | |
1796 | ||
1797 | /* Display MENU at (X,Y) using FACES. */ | |
aee81730 | 1798 | |
87485d6f MW |
1799 | static void |
1800 | IT_menu_display (XMenu *menu, int y, int x, int *faces) | |
1801 | { | |
1802 | int i, j, face, width; | |
1803 | GLYPH *text, *p; | |
1804 | char *q; | |
1805 | int mx, my; | |
1806 | int enabled, mousehere; | |
1807 | int row, col; | |
1808 | ||
1809 | width = menu->width; | |
1810 | text = (GLYPH *) xmalloc ((width + 2) * sizeof (GLYPH)); | |
1811 | ScreenGetCursor (&row, &col); | |
1812 | mouse_get_xy (&mx, &my); | |
1813 | mouse_off (); | |
1814 | (*update_begin_hook) (); | |
1815 | for (i = 0; i < menu->count; i++) | |
1816 | { | |
1817 | (*cursor_to_hook) (y + i, x); | |
1818 | enabled | |
1819 | = (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]); | |
1820 | mousehere = (y + i == my && x <= mx && mx < x + width + 2); | |
1821 | face = faces[enabled + mousehere * 2]; | |
1822 | p = text; | |
1823 | *p++ = FAST_MAKE_GLYPH (' ', face); | |
1824 | for (j = 0, q = menu->text[i]; *q; j++) | |
1825 | *p++ = FAST_MAKE_GLYPH (*q++, face); | |
1826 | for (; j < width; j++) | |
1827 | *p++ = FAST_MAKE_GLYPH (' ', face); | |
1828 | *p++ = FAST_MAKE_GLYPH (menu->submenu[i] ? 16 : ' ', face); | |
1829 | (*write_glyphs_hook) (text, width + 2); | |
1830 | } | |
1831 | internal_flush (stdout); | |
1832 | (*update_end_hook) (); | |
1833 | mouse_on (); | |
1834 | ScreenSetCursor (row, col); | |
1835 | xfree (text); | |
1836 | } | |
1837 | ||
1838 | /* Create a brand new menu structure. */ | |
aee81730 | 1839 | |
87485d6f | 1840 | XMenu * |
1189e5a2 | 1841 | XMenuCreate (Display *foo1, Window foo2, char *foo3) |
87485d6f MW |
1842 | { |
1843 | return IT_menu_create (); | |
1844 | } | |
1845 | ||
1846 | /* Create a new pane and place it on the outer-most level. It is not | |
1847 | clear that it should be placed out there, but I don't know what else | |
1848 | to do. */ | |
aee81730 | 1849 | |
87485d6f | 1850 | int |
1189e5a2 | 1851 | XMenuAddPane (Display *foo, XMenu *menu, char *txt, int enable) |
87485d6f MW |
1852 | { |
1853 | int len; | |
1854 | ||
1855 | if (!enable) | |
1856 | abort (); | |
1857 | ||
1858 | IT_menu_make_room (menu); | |
1859 | menu->submenu[menu->count] = IT_menu_create (); | |
1860 | menu->text[menu->count] = txt; | |
1861 | menu->panenumber[menu->count] = ++menu->panecount; | |
1862 | menu->count++; | |
aee81730 RS |
1863 | if ((len = strlen (txt)) > menu->width) |
1864 | menu->width = len; | |
87485d6f MW |
1865 | return menu->panecount; |
1866 | } | |
1867 | ||
1868 | /* Create a new item in a menu pane. */ | |
aee81730 | 1869 | |
87485d6f | 1870 | int |
1189e5a2 RS |
1871 | XMenuAddSelection (Display *bar, XMenu *menu, int pane, |
1872 | int foo, char *txt, int enable) | |
87485d6f MW |
1873 | { |
1874 | int len; | |
1875 | ||
1876 | if (pane) | |
1877 | if (!(menu = IT_menu_search_pane (menu, pane))) | |
1878 | return XM_FAILURE; | |
1879 | IT_menu_make_room (menu); | |
1880 | menu->submenu[menu->count] = (XMenu *) 0; | |
1881 | menu->text[menu->count] = txt; | |
1882 | menu->panenumber[menu->count] = enable; | |
1883 | menu->count++; | |
aee81730 RS |
1884 | if ((len = strlen (txt)) > menu->width) |
1885 | menu->width = len; | |
87485d6f MW |
1886 | return XM_SUCCESS; |
1887 | } | |
1888 | ||
1889 | /* Decide where the menu would be placed if requested at (X,Y). */ | |
aee81730 | 1890 | |
1189e5a2 RS |
1891 | void |
1892 | XMenuLocate (Display *foo0, XMenu *menu, int foo1, int foo2, int x, int y, | |
87485d6f MW |
1893 | int *ulx, int *uly, int *width, int *height) |
1894 | { | |
1895 | if (menu->count == 1 && menu->submenu[0]) | |
1896 | /* Special case: the menu consists of only one pane. */ | |
1897 | IT_menu_calc_size (menu->submenu[0], width, height); | |
1898 | else | |
1899 | IT_menu_calc_size (menu, width, height); | |
1900 | *ulx = x + 1; | |
1901 | *uly = y; | |
1902 | *width += 2; | |
1903 | } | |
1904 | ||
aee81730 | 1905 | struct IT_menu_state |
87485d6f MW |
1906 | { |
1907 | void *screen_behind; | |
1908 | XMenu *menu; | |
1909 | int pane; | |
1910 | int x, y; | |
aee81730 | 1911 | }; |
87485d6f MW |
1912 | |
1913 | ||
1914 | /* Display menu, wait for user's response, and return that response. */ | |
aee81730 | 1915 | |
87485d6f | 1916 | int |
1189e5a2 | 1917 | XMenuActivate (Display *foo, XMenu *menu, int *pane, int *selidx, |
87485d6f MW |
1918 | int x0, int y0, unsigned ButtonMask, char **txt) |
1919 | { | |
aee81730 | 1920 | struct IT_menu_state *state; |
87485d6f MW |
1921 | int statecount; |
1922 | int x, y, i, b; | |
1923 | int screensize; | |
1924 | int faces[4], selectface; | |
1925 | int leave, result, onepane; | |
1926 | ||
1927 | /* Just in case we got here without a mouse present... */ | |
aee81730 | 1928 | if (have_mouse <= 0) |
87485d6f MW |
1929 | return XM_IA_SELECT; |
1930 | ||
aee81730 | 1931 | state = alloca (menu->panecount * sizeof (struct IT_menu_state)); |
87485d6f MW |
1932 | screensize = ScreenRows () * ScreenCols () * 2; |
1933 | faces[0] | |
1934 | = compute_glyph_face (&the_only_frame, | |
1935 | face_name_id_number | |
1936 | (&the_only_frame, | |
1937 | intern ("msdos-menu-passive-face")), | |
1938 | 0); | |
1939 | faces[1] | |
1940 | = compute_glyph_face (&the_only_frame, | |
1941 | face_name_id_number | |
1942 | (&the_only_frame, | |
1943 | intern ("msdos-menu-active-face")), | |
1944 | 0); | |
1945 | selectface | |
1946 | = face_name_id_number (&the_only_frame, intern ("msdos-menu-select-face")); | |
1947 | faces[2] = compute_glyph_face (&the_only_frame, selectface, faces[0]); | |
1948 | faces[3] = compute_glyph_face (&the_only_frame, selectface, faces[1]); | |
1949 | ||
1950 | statecount = 1; | |
1951 | state[0].menu = menu; | |
1952 | mouse_off (); | |
1953 | ScreenRetrieve (state[0].screen_behind = xmalloc (screensize)); | |
1954 | mouse_on (); | |
1955 | if ((onepane = menu->count == 1 && menu->submenu[0])) | |
1956 | { | |
1957 | menu->width = menu->submenu[0]->width; | |
1958 | state[0].menu = menu->submenu[0]; | |
1959 | } | |
1960 | else | |
1961 | { | |
1962 | state[0].menu = menu; | |
1963 | } | |
1964 | state[0].x = x0 - 1; | |
1965 | state[0].y = y0; | |
1966 | state[0].pane = onepane; | |
1967 | ||
1968 | mouse_last_x = -1; /* A hack that forces display. */ | |
1969 | leave = 0; | |
1970 | while (!leave) | |
1971 | { | |
1972 | mouse_check_moved (); | |
f2f23562 | 1973 | if (selected_frame->mouse_moved) |
87485d6f | 1974 | { |
f2f23562 | 1975 | selected_frame->mouse_moved = 0; |
87485d6f MW |
1976 | result = XM_IA_SELECT; |
1977 | mouse_get_xy (&x, &y); | |
1978 | for (i = 0; i < statecount; i++) | |
1979 | if (state[i].x <= x && x < state[i].x + state[i].menu->width + 2) | |
1980 | { | |
1981 | int dy = y - state[i].y; | |
1982 | if (0 <= dy && dy < state[i].menu->count) | |
1983 | { | |
1984 | if (!state[i].menu->submenu[dy]) | |
1985 | if (state[i].menu->panenumber[dy]) | |
1986 | result = XM_SUCCESS; | |
1987 | else | |
1988 | result = XM_IA_SELECT; | |
1989 | *pane = state[i].pane - 1; | |
1990 | *selidx = dy; | |
1991 | /* We hit some part of a menu, so drop extra menues that | |
1992 | have been opened. That does not include an open and | |
1993 | active submenu. */ | |
1994 | if (i != statecount - 2 | |
1995 | || state[i].menu->submenu[dy] != state[i+1].menu) | |
1996 | while (i != statecount - 1) | |
1997 | { | |
1998 | statecount--; | |
1999 | mouse_off (); | |
2000 | ScreenUpdate (state[statecount].screen_behind); | |
2001 | mouse_on (); | |
2002 | xfree (state[statecount].screen_behind); | |
2003 | } | |
2004 | if (i == statecount - 1 && state[i].menu->submenu[dy]) | |
2005 | { | |
2006 | IT_menu_display (state[i].menu, | |
2007 | state[i].y, | |
2008 | state[i].x, | |
2009 | faces); | |
2010 | state[statecount].menu = state[i].menu->submenu[dy]; | |
2011 | state[statecount].pane = state[i].menu->panenumber[dy]; | |
2012 | mouse_off (); | |
2013 | ScreenRetrieve (state[statecount].screen_behind | |
2014 | = xmalloc (screensize)); | |
2015 | mouse_on (); | |
2016 | state[statecount].x | |
2017 | = state[i].x + state[i].menu->width + 2; | |
2018 | state[statecount].y = y; | |
2019 | statecount++; | |
2020 | } | |
2021 | } | |
2022 | } | |
2023 | IT_menu_display (state[statecount - 1].menu, | |
2024 | state[statecount - 1].y, | |
2025 | state[statecount - 1].x, | |
2026 | faces); | |
2027 | } | |
2028 | for (b = 0; b < mouse_button_count; b++) | |
2029 | { | |
2030 | (void) mouse_pressed (b, &x, &y); | |
2031 | if (mouse_released (b, &x, &y)) | |
2032 | leave = 1; | |
2033 | } | |
2034 | } | |
2035 | ||
2036 | mouse_off (); | |
2037 | ScreenUpdate (state[0].screen_behind); | |
2038 | mouse_on (); | |
2039 | while (statecount--) | |
2040 | xfree (state[statecount].screen_behind); | |
2041 | return result; | |
2042 | } | |
2043 | ||
2044 | /* Dispose of a menu. */ | |
aee81730 | 2045 | |
1189e5a2 RS |
2046 | void |
2047 | XMenuDestroy (Display *foo, XMenu *menu) | |
87485d6f MW |
2048 | { |
2049 | int i; | |
2050 | if (menu->allocated) | |
2051 | { | |
2052 | for (i = 0; i < menu->count; i++) | |
2053 | if (menu->submenu[i]) | |
1189e5a2 | 2054 | XMenuDestroy (foo, menu->submenu[i]); |
87485d6f MW |
2055 | xfree (menu->text); |
2056 | xfree (menu->submenu); | |
2057 | xfree (menu->panenumber); | |
2058 | } | |
2059 | xfree (menu); | |
2060 | } | |
2061 | ||
aee81730 RS |
2062 | int |
2063 | x_pixel_width (struct frame *f) | |
87485d6f | 2064 | { |
aee81730 | 2065 | return FRAME_WIDTH (f); |
87485d6f MW |
2066 | } |
2067 | ||
aee81730 RS |
2068 | int |
2069 | x_pixel_height (struct frame *f) | |
87485d6f | 2070 | { |
aee81730 | 2071 | return FRAME_HEIGHT (f); |
87485d6f MW |
2072 | } |
2073 | #endif /* !HAVE_X_WINDOWS */ | |
49a09c76 | 2074 | |
1b94449f | 2075 | #endif /* MSDOS */ |