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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 | |
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" | |
37 | #include "frame.h" | |
38 | #include <go32.h> | |
39 | #include <pc.h> | |
40 | #include <ctype.h> | |
41 | /* #include <process.h> */ | |
42 | /* Damn that local process.h! Instead we can define P_WAIT ourselves. */ | |
43 | #define P_WAIT 1 | |
44 | ||
45 | static int break_stat; /* BREAK check mode status. */ | |
46 | static int stdin_stat; /* stdin IOCTL status. */ | |
47 | static int extended_kbd; /* 101 (102) keyboard present. */ | |
48 | ||
49 | int have_mouse; /* Mouse present? */ | |
50 | static int mouse_last_x; | |
51 | static int mouse_last_y; | |
52 | ||
53 | /* Turn off Dos' Ctrl-C checking and inhibit interpretation of control chars | |
54 | by Dos. Determine the keyboard type. */ | |
55 | int | |
56 | dos_ttraw () | |
57 | { | |
58 | union REGS inregs, outregs; | |
59 | ||
60 | inregs.h.ah = 0xc0; | |
61 | int86 (0x15, &inregs, &outregs); | |
62 | extended_kbd = (!outregs.x.cflag) && (outregs.h.ah == 0); | |
63 | ||
64 | break_stat = getcbrk (); | |
65 | setcbrk (0); | |
66 | install_ctrl_break_check (); | |
49a09c76 | 67 | have_mouse = mouse_init1 (); |
1b94449f RS |
68 | |
69 | inregs.x.ax = 0x4400; /* Get IOCTL status. */ | |
70 | inregs.x.bx = 0x00; /* 0 = stdin. */ | |
71 | intdos (&inregs, &outregs); | |
72 | stdin_stat = outregs.h.dl; | |
73 | ||
74 | inregs.x.dx = (outregs.x.dx | 0x0020) & 0x0027; /* raw mode */ | |
75 | inregs.h.al = 0x01; | |
76 | intdos (&inregs, &outregs); | |
77 | return !outregs.x.cflag; | |
78 | } | |
79 | ||
80 | /* Restore status of standard input and Ctrl-C checking. */ | |
81 | int | |
82 | dos_ttcooked () | |
83 | { | |
84 | union REGS inregs, outregs; | |
85 | ||
86 | setcbrk (break_stat); | |
49a09c76 | 87 | if (have_mouse) mouse_off (); |
1b94449f RS |
88 | |
89 | inregs.x.ax = 0x4401; /* Set IOCTL status. */ | |
90 | inregs.x.bx = 0x00; /* 0 = stdin. */ | |
91 | inregs.x.dx = stdin_stat; | |
92 | intdos (&inregs, &outregs); | |
93 | return !outregs.x.cflag; | |
94 | } | |
95 | ||
96 | static unsigned short | |
97 | ibmpc_translate_map[] = | |
98 | { | |
99 | /* --------------- 00 to 0f --------------- */ | |
100 | 0, /* Ctrl Break */ | |
101 | 0xff1b, /* Escape */ | |
102 | 0xffb1, /* Keypad 1 */ | |
103 | 0xffb2, /* Keypad 2 */ | |
104 | 0xffb3, /* Keypad 3 */ | |
105 | 0xffb4, /* Keypad 4 */ | |
106 | 0xffb5, /* Keypad 5 */ | |
107 | 0xffb6, /* Keypad 6 */ | |
108 | 0xffb7, /* Keypad 7 */ | |
109 | 0xffb8, /* Keypad 8 */ | |
110 | 0xffb9, /* Keypad 9 */ | |
111 | 0xffb0, /* Keypad 0 */ | |
112 | '-', '=', | |
113 | 0xff08, /* Backspace */ | |
114 | 0xff74, /* (Shift) Tab [Tab doesn't use this table] */ | |
115 | ||
116 | /* --------------- 10 to 1f --------------- */ | |
117 | 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', | |
118 | 0xff8d, /* Keypad Enter */ | |
119 | 0, /* Ctrl */ | |
120 | 'a', 's', | |
121 | ||
122 | /* --------------- 20 to 2f --------------- */ | |
123 | 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', | |
124 | 0, /* Left shift */ | |
125 | '\\', 'z', 'x', 'c', 'v', | |
126 | ||
127 | /* --------------- 30 to 3f --------------- */ | |
128 | 'b', 'n', 'm', ',', '.', | |
129 | 0xffaf, /* Grey / */ | |
130 | 0, /* Right shift */ | |
131 | 0xffaa, /* Grey * */ | |
132 | 0, /* Alt */ | |
133 | ' ', | |
134 | 0, /* Caps Lock */ | |
135 | 0xffbe, /* F1 */ | |
136 | 0xffbf, /* F2 */ | |
137 | 0xffc0, /* F3 */ | |
138 | 0xffc1, /* F4 */ | |
139 | 0xffc2, /* F5 */ | |
140 | ||
141 | /* --------------- 40 to 4f --------------- */ | |
142 | 0xffc3, /* F6 */ | |
143 | 0xffc4, /* F7 */ | |
144 | 0xffc5, /* F8 */ | |
145 | 0xffc6, /* F9 */ | |
146 | 0xffc7, /* F10 */ | |
147 | 0, /* Num Lock */ | |
148 | 0, /* Scroll Lock */ | |
149 | 0xff50, /* Home */ | |
150 | 0xff52, /* Up */ | |
151 | 0xff55, /* Page Up */ | |
152 | 0xffad, /* Grey - */ | |
153 | 0xff51, /* Left */ | |
154 | 0xffb5, /* Keypad 5 */ | |
155 | 0xff53, /* Right */ | |
156 | 0xffab, /* Grey + */ | |
157 | 0xff57, /* End */ | |
158 | ||
159 | /* --------------- 50 to 5f --------------- */ | |
160 | 0xff54, /* Down */ | |
161 | 0xff56, /* Page Down */ | |
162 | 0xff63, /* Insert */ | |
163 | 0xffff, /* Delete */ | |
164 | 0xffbe, /* (Shift) F1 */ | |
165 | 0xffbf, /* (Shift) F2 */ | |
166 | 0xffc0, /* (Shift) F3 */ | |
167 | 0xffc1, /* (Shift) F4 */ | |
168 | 0xffc2, /* (Shift) F5 */ | |
169 | 0xffc3, /* (Shift) F6 */ | |
170 | 0xffc4, /* (Shift) F7 */ | |
171 | 0xffc5, /* (Shift) F8 */ | |
172 | 0xffc6, /* (Shift) F9 */ | |
173 | 0xffc7, /* (Shift) F10 */ | |
174 | 0xffbe, /* (Ctrl) F1 */ | |
175 | 0xffbf, /* (Ctrl) F2 */ | |
176 | ||
177 | /* --------------- 60 to 6f --------------- */ | |
178 | 0xffc0, /* (Ctrl) F3 */ | |
179 | 0xffc1, /* (Ctrl) F4 */ | |
180 | 0xffc2, /* (Ctrl) F5 */ | |
181 | 0xffc3, /* (Ctrl) F6 */ | |
182 | 0xffc4, /* (Ctrl) F7 */ | |
183 | 0xffc5, /* (Ctrl) F8 */ | |
184 | 0xffc6, /* (Ctrl) F9 */ | |
185 | 0xffc7, /* (Ctrl) F10 */ | |
186 | 0xffbe, /* (Alt) F1 */ | |
187 | 0xffbf, /* (Alt) F2 */ | |
188 | 0xffc0, /* (Alt) F3 */ | |
189 | 0xffc1, /* (Alt) F4 */ | |
190 | 0xffc2, /* (Alt) F5 */ | |
191 | 0xffc3, /* (Alt) F6 */ | |
192 | 0xffc4, /* (Alt) F7 */ | |
193 | 0xffc5, /* (Alt) F8 */ | |
194 | ||
195 | /* --------------- 70 to 7f --------------- */ | |
196 | 0xffc6, /* (Alt) F9 */ | |
197 | 0xffc7, /* (Alt) F10 */ | |
198 | 0xff6d, /* (Ctrl) Sys Rq */ | |
199 | 0xff51, /* (Ctrl) Left */ | |
200 | 0xff53, /* (Ctrl) Right */ | |
201 | 0xff57, /* (Ctrl) End */ | |
202 | 0xff56, /* (Ctrl) Page Down */ | |
203 | 0xff50, /* (Ctrl) Home */ | |
204 | '1', '2', '3', '4', '5', '6', '7', '8', /* (Alt) */ | |
205 | ||
206 | /* --------------- 80 to 8f --------------- */ | |
207 | '9', '0', '-', '=', /* (Alt) */ | |
208 | 0xff55, /* (Ctrl) Page Up */ | |
209 | 0xffc8, /* F11 */ | |
210 | 0xffc9, /* F12 */ | |
211 | 0xffc8, /* (Shift) F11 */ | |
212 | 0xffc9, /* (Shift) F12 */ | |
213 | 0xffc8, /* (Ctrl) F11 */ | |
214 | 0xffc9, /* (Ctrl) F12 */ | |
215 | 0xffc8, /* (Alt) F11 */ | |
216 | 0xffc9, /* (Alt) F12 */ | |
217 | 0xff52, /* (Ctrl) Up */ | |
218 | 0xffae, /* (Ctrl) Grey - */ | |
219 | 0xffb5, /* (Ctrl) Keypad 5 */ | |
220 | ||
221 | /* --------------- 90 to 9f --------------- */ | |
222 | 0xffab, /* (Ctrl) Grey + */ | |
223 | 0xff54, /* (Ctrl) Down */ | |
224 | 0xff63, /* (Ctrl) Insert */ | |
225 | 0xffff, /* (Ctrl) Delete */ | |
226 | 0xff09, /* (Ctrl) Tab */ | |
227 | 0xffaf, /* (Ctrl) Grey / */ | |
228 | 0xffaa, /* (Ctrl) Grey * */ | |
229 | 0xff50, /* (Alt) Home */ | |
230 | 0xff52, /* (Alt) Up */ | |
231 | 0xff55, /* (Alt) Page Up */ | |
232 | 0, /* NO KEY */ | |
233 | 0xff51, /* (Alt) Left */ | |
234 | 0, /* NO KEY */ | |
235 | 0xff53, /* (Alt) Right */ | |
236 | 0, /* NO KEY */ | |
237 | 0xff57, /* (Alt) End */ | |
238 | ||
239 | /* --------------- a0 to af --------------- */ | |
240 | 0xff54, /* (Alt) Down */ | |
241 | 0xff56, /* (Alt) Page Down */ | |
242 | 0xff63, /* (Alt) Insert */ | |
243 | 0xffff, /* (Alt) Delete */ | |
244 | 0xffaf, /* (Alt) Grey / */ | |
245 | 0xff09, /* (Alt) Tab */ | |
246 | 0xff0d /* (Alt) Enter */ | |
247 | }; | |
248 | ||
249 | /* Get a char from keyboard. Function keys are put into the event queue. */ | |
250 | static int | |
251 | dos_rawgetc () | |
252 | { | |
253 | struct input_event event; | |
254 | struct timeval tv; | |
255 | union REGS regs; | |
256 | int ctrl_p, alt_p, shift_p; | |
257 | ||
258 | /* Calculate modifier bits */ | |
259 | regs.h.ah = extended_kbd ? 0x12 : 0x02; | |
260 | int86 (0x16, ®s, ®s); | |
261 | ctrl_p = ((regs.h.al & 4) != 0); | |
262 | shift_p = ((regs.h.al & 3) != 0); | |
9da6e765 RS |
263 | /* Please be very careful here not to break international keyboard support. |
264 | When Keyb.Com is loaded, the key marked `Alt Gr' is used for accessing | |
265 | characters like { and } if their positions are overlaid. */ | |
1b94449f RS |
266 | alt_p = ((extended_kbd ? (regs.h.ah & 2) : (regs.h.al & 8)) != 0); |
267 | ||
3ec5651b RS |
268 | /* The following condition is equivalent to `kbhit ()', except that |
269 | it uses the bios to do its job. This pleases DESQview/X. */ | |
270 | while ((regs.h.ah = extended_kbd ? 0x11 : 0x01), | |
271 | int86 (0x16, ®s, ®s), | |
272 | (regs.x.flags & 0x40) == 0) | |
1b94449f RS |
273 | { |
274 | union REGS regs; | |
275 | register unsigned char c; | |
276 | int sc, code; | |
277 | ||
278 | regs.h.ah = extended_kbd ? 0x10 : 0x00; | |
279 | int86 (0x16, ®s, ®s); | |
280 | c = regs.h.al; | |
281 | sc = regs.h.ah; | |
282 | ||
283 | /* Determine from the scan code if a keypad key was pressed. */ | |
284 | if (c >= '0' && c <= '9' && sc > 0xb) | |
285 | sc = (c == '0') ? 0xb : (c - '0' + 1), c = 0; | |
9da6e765 RS |
286 | else if (sc == 0x53 && c != 0xe0) |
287 | { | |
288 | code = 0xffae; /* Keypad decimal point/comma. */ | |
289 | goto nonascii; | |
290 | } | |
1b94449f RS |
291 | else if (sc == 0xe0) |
292 | { | |
293 | switch (c) | |
294 | { | |
295 | case 10: /* Ctrl Enter */ | |
296 | case 13: | |
297 | sc = 0x1c; | |
298 | break; | |
1b94449f RS |
299 | case '/': |
300 | sc = 0x35; | |
301 | break; | |
302 | default: | |
303 | sc = 0; | |
304 | }; | |
305 | c = 0; | |
306 | } | |
307 | ||
308 | if (c == 0 | |
309 | || c == ' ' | |
310 | || alt_p | |
311 | || (ctrl_p && shift_p) | |
312 | || (c == 0xe0 && sc != 0) /* Pseudo-key */ | |
313 | || sc == 0x37 /* Grey * */ | |
314 | || sc == 0x4a /* Grey - */ | |
315 | || sc == 0x4e /* Grey + */ | |
316 | || sc == 0x0e) /* Back space *key*, not Ctrl-h */ | |
317 | { | |
318 | if (sc >= (sizeof (ibmpc_translate_map) / sizeof (short))) | |
319 | code = 0; | |
320 | else | |
321 | code = ibmpc_translate_map[sc]; | |
322 | if (code != 0) | |
323 | { | |
324 | if (code >= 0x100) | |
325 | { | |
9da6e765 | 326 | nonascii: |
1b94449f | 327 | event.kind = non_ascii_keystroke; |
49a09c76 | 328 | event.code = (code & 0xff) + 0xff00; |
1b94449f RS |
329 | } |
330 | else | |
331 | { | |
9da6e765 RS |
332 | /* Don't return S- if we don't have to. `shifted' is |
333 | supposed to be the shifted versions of the characters | |
334 | in `unshifted'. Unfortunately, this is only true for | |
335 | US keyboard layout. If anyone knows how to do this | |
336 | right, please tell us. */ | |
337 | static char *unshifted | |
338 | = "abcdefghijklmnopqrstuvwxyz,./=;[\\]'-`0123456789"; | |
339 | static char *shifted | |
340 | = "ABCDEFGHIJKLMNOPQRSTUVWXYZ<>?+:{|}\"_~)!@#$%^&*("; | |
341 | char *pos; | |
342 | ||
343 | if (shift_p && (pos = strchr (unshifted, code))) | |
1b94449f | 344 | { |
9da6e765 | 345 | c = shifted[pos - unshifted]; |
1b94449f RS |
346 | shift_p = 0; |
347 | } | |
348 | else | |
349 | if (c == 0) c = code; | |
350 | event.kind = ascii_keystroke; | |
351 | event.code = c; | |
352 | } | |
353 | event.modifiers | |
9da6e765 RS |
354 | = (shift_p ? shift_modifier : 0) |
355 | + (ctrl_p ? ctrl_modifier : 0) | |
356 | + (alt_p ? meta_modifier : 0); | |
1b94449f RS |
357 | /* EMACS == Enter Meta Alt Control Shift */ |
358 | event.frame_or_window = selected_frame; | |
359 | gettimeofday (&tv, NULL); | |
360 | event.timestamp = tv.tv_usec; | |
361 | kbd_buffer_store_event (&event); | |
362 | } | |
363 | } else | |
364 | return c; | |
365 | } | |
366 | ||
367 | if (have_mouse) | |
368 | { | |
369 | int but, press, x, y, ok; | |
370 | ||
371 | /* Check for mouse movement *before* buttons. */ | |
49a09c76 | 372 | mouse_check_moved (); |
1b94449f RS |
373 | |
374 | for (but = 0; but < NUM_MOUSE_BUTTONS; but++) | |
375 | for (press = 0; press < 2; press++) | |
376 | { | |
377 | if (press) | |
49a09c76 | 378 | ok = mouse_pressed (but, &x, &y); |
1b94449f | 379 | else |
49a09c76 | 380 | ok = mouse_released (but, &x, &y); |
1b94449f RS |
381 | if (ok) |
382 | { | |
383 | event.kind = mouse_click; | |
384 | event.code = but; | |
385 | event.modifiers | |
9da6e765 RS |
386 | = (shift_p ? shift_modifier : 0) |
387 | + (ctrl_p ? ctrl_modifier : 0) | |
388 | + (alt_p ? meta_modifier : 0) | |
389 | + (press ? down_modifier : up_modifier); | |
1b94449f RS |
390 | event.x = x; |
391 | event.y = y; | |
392 | event.frame_or_window = selected_frame; | |
393 | gettimeofday (&tv, NULL); | |
394 | event.timestamp = tv.tv_usec; | |
395 | kbd_buffer_store_event (&event); | |
396 | } | |
397 | } | |
398 | } | |
399 | ||
400 | return -1; | |
401 | } | |
402 | ||
403 | static int prev_get_char = -1; | |
404 | ||
405 | /* Return 1 if a key is ready to be read without suspending execution. */ | |
406 | dos_keysns () | |
407 | { | |
408 | if (prev_get_char != -1) | |
409 | return 1; | |
410 | else | |
411 | return ((prev_get_char = dos_rawgetc ()) != -1); | |
412 | } | |
413 | ||
414 | /* Read a key. Return -1 if no key is ready. */ | |
415 | dos_keyread () | |
416 | { | |
417 | if (prev_get_char != -1) | |
418 | { | |
419 | int c = prev_get_char; | |
420 | prev_get_char = -1; | |
421 | return c; | |
422 | } | |
423 | else | |
424 | return dos_rawgetc (); | |
425 | } | |
426 | ||
427 | /* Hostnames for a pc are not really funny, but they are used in change log | |
428 | so we emulate the best we can. */ | |
429 | gethostname (p, size) | |
430 | char *p; | |
431 | int size; | |
432 | { | |
433 | char *q = egetenv ("HOSTNAME"); | |
434 | ||
435 | if (!q) q = "pc"; | |
436 | strcpy (p, q); | |
437 | return 0; | |
438 | } | |
439 | ||
440 | /* Destructively turn backslashes into slashes. */ | |
441 | void | |
442 | dostounix_filename (p) | |
443 | register char *p; | |
444 | { | |
445 | while (*p) | |
446 | { | |
447 | if (*p == '\\') | |
448 | *p = '/'; | |
449 | p++; | |
450 | } | |
451 | } | |
452 | ||
453 | /* Destructively turn slashes into backslashes. */ | |
454 | void | |
455 | unixtodos_filename (p) | |
456 | register char *p; | |
457 | { | |
458 | while (*p) | |
459 | { | |
460 | if (*p == '/') | |
461 | *p = '\\'; | |
462 | p++; | |
463 | } | |
464 | } | |
465 | ||
466 | /* Get the default directory for a given drive. 0=def, 1=A, 2=B, ... */ | |
467 | int | |
468 | getdefdir (drive, dst) | |
469 | int drive; | |
470 | char *dst; | |
471 | { | |
472 | union REGS regs; | |
473 | ||
474 | *dst++ = '/'; | |
475 | regs.h.dl = drive; | |
476 | regs.x.si = (int) dst; | |
477 | regs.h.ah = 0x47; | |
478 | intdos (®s, ®s); | |
479 | return !regs.x.cflag; | |
480 | } | |
481 | ||
482 | /* Remove all CR's that are followed by a LF. */ | |
483 | int | |
484 | crlf_to_lf (n, buf) | |
485 | register int n; | |
486 | register unsigned char *buf; | |
487 | { | |
488 | unsigned char *np = buf; | |
489 | unsigned char *startp = buf; | |
490 | unsigned char *endp = buf + n; | |
491 | unsigned char c; | |
492 | ||
493 | if (n == 0) | |
494 | return n; | |
3d4ad6e0 | 495 | while (buf < endp - 1) |
1b94449f RS |
496 | { |
497 | if (*buf == 0x0d) | |
498 | { | |
499 | if (*(++buf) != 0x0a) | |
500 | *np++ = 0x0d; | |
501 | } | |
502 | else | |
503 | *np++ = *buf++; | |
504 | } | |
3d4ad6e0 RS |
505 | if (buf < endp) |
506 | *np++ = *buf++; | |
1b94449f RS |
507 | return np - startp; |
508 | } | |
509 | ||
510 | ||
511 | /* Run command as specified by ARGV in directory DIR. | |
512 | The command is run with input from TEMPIN and output to file TEMPOUT. */ | |
513 | int | |
514 | run_msdos_command (argv, dir, tempin, tempout) | |
515 | unsigned char **argv; | |
516 | Lisp_Object dir; | |
517 | int tempin, tempout; | |
518 | { | |
519 | char *saveargv1, *saveargv2, **envv; | |
520 | char oldwd[MAXPATHLEN + 1]; /* Fixed size is safe on MSDOS. */ | |
521 | int msshell, result = -1; | |
522 | int in, out, inbak, outbak, errbak; | |
523 | Lisp_Object cmd; | |
524 | ||
525 | /* Get current directory as MSDOS cwd is not per-process. */ | |
526 | getwd (oldwd); | |
527 | ||
528 | cmd = Ffile_name_nondirectory (build_string (argv[0])); | |
529 | msshell = !NILP (Fmember (cmd, Fsymbol_value (intern ("msdos-shells")))) | |
530 | && !strcmp ("-c", argv[1]); | |
531 | if (msshell) | |
532 | { | |
533 | saveargv1 = argv[1]; | |
647c32eb | 534 | saveargv2 = argv[2]; |
1b94449f RS |
535 | argv[1] = "/c"; |
536 | if (argv[2]) | |
537 | { | |
647c32eb KH |
538 | char *p = alloca (strlen (argv[2]) + 1); |
539 | ||
540 | strcpy (argv[2] = p, saveargv2); | |
541 | while (*p && isspace (*p)) | |
542 | p++; | |
543 | while (*p && !isspace (*p)) | |
544 | if (*p == '/') | |
545 | *p++ = '\\'; | |
546 | else | |
547 | p++; | |
1b94449f RS |
548 | } |
549 | } | |
550 | ||
551 | /* Build the environment array. */ | |
552 | { | |
553 | extern Lisp_Object Vprocess_environment; | |
091d0bdf KH |
554 | Lisp_Object tmp, lst; |
555 | int i, len; | |
556 | ||
557 | lst = Vprocess_environment; | |
558 | len = XFASTINT (Flength (lst)); | |
1b94449f RS |
559 | |
560 | envv = alloca ((len + 1) * sizeof (char *)); | |
561 | for (i = 0; i < len; i++) | |
562 | { | |
563 | tmp = Fcar (lst); | |
564 | lst = Fcdr (lst); | |
565 | CHECK_STRING (tmp, 0); | |
566 | envv[i] = alloca (XSTRING (tmp)->size + 1); | |
567 | strcpy (envv[i], XSTRING (tmp)->data); | |
568 | } | |
569 | envv[len] = (char *) 0; | |
570 | } | |
571 | ||
572 | if (XTYPE (dir) == Lisp_String) | |
573 | chdir (XSTRING (dir)->data); | |
574 | inbak = dup (0); | |
575 | outbak = dup (1); | |
576 | errbak = dup (2); | |
577 | if (inbak < 0 || outbak < 0 || errbak < 0) | |
578 | goto done; /* Allocation might fail due to lack of descriptors. */ | |
579 | dup2 (tempin, 0); | |
580 | dup2 (tempout, 1); | |
581 | dup2 (tempout, 2); | |
582 | dos_ttcooked (); | |
583 | result = spawnve (P_WAIT, argv[0], argv, envv); | |
584 | dos_ttraw (); | |
585 | dup2 (inbak, 0); | |
586 | dup2 (outbak, 1); | |
587 | dup2 (errbak, 2); | |
588 | ||
589 | done: | |
590 | chdir (oldwd); | |
591 | if (msshell) | |
592 | { | |
593 | argv[1] = saveargv1; | |
647c32eb | 594 | argv[2] = saveargv2; |
1b94449f RS |
595 | } |
596 | return result; | |
597 | } | |
598 | ||
599 | ||
600 | croak (badfunc) | |
601 | char *badfunc; | |
602 | { | |
603 | fprintf (stderr, "%s not yet implemented\r\n", badfunc); | |
604 | reset_sys_modes (); | |
605 | exit (1); | |
606 | } | |
607 | ||
608 | /* A list of unimplemented functions that we silently ignore. */ | |
609 | unsigned alarm (s) unsigned s; {} | |
610 | fork () { return 0; } | |
611 | int kill (x, y) int x, y; { return -1; } | |
612 | nice (p) int p; {} | |
613 | void volatile pause () {} | |
614 | request_sigio () {} | |
615 | setpgrp () {return 0; } | |
616 | setpriority (x,y,z) int x,y,z; { return 0; } | |
617 | sigsetmask (x) int x; { return 0; } | |
618 | unrequest_sigio () {} | |
619 | ||
620 | #ifdef chdir | |
621 | #undef chdir | |
622 | #endif | |
623 | ||
624 | int | |
625 | sys_chdir (path) | |
626 | const char* path; | |
627 | { | |
628 | int len = strlen (path); | |
629 | char *tmp = (char *) alloca (len + 1); | |
630 | /* Gotta do this extern here due to the corresponding #define: */ | |
631 | extern int chdir (); | |
632 | ||
633 | if (*path && path[1] == ':' && (getdisk () != tolower (path[0]) - 'a')) | |
634 | setdisk (tolower (path[0]) - 'a'); | |
635 | ||
636 | strcpy (tmp, path); | |
637 | if (strcmp (path, "/") && strcmp (path + 1, ":/") && (path[len - 1] == '/')) | |
638 | tmp[len - 1] = 0; | |
639 | return chdir (tmp); | |
640 | } | |
641 | ||
642 | /* Sleep SECS. If KBDOK also return immediately if a key is pressed. */ | |
643 | void | |
644 | sleep_or_kbd_hit (secs, kbdok) | |
645 | int secs, kbdok; | |
646 | { | |
647 | long clnow, clthen; | |
648 | struct timeval t; | |
649 | ||
650 | gettimeofday (&t, NULL); | |
651 | clnow = t.tv_sec * 100 + t.tv_usec / 10000; | |
652 | clthen = clnow + (100 * secs); | |
653 | ||
654 | do | |
655 | { | |
656 | gettimeofday (&t, NULL); | |
657 | clnow = t.tv_sec * 100 + t.tv_usec / 10000; | |
658 | if (kbdok && detect_input_pending ()) | |
659 | return; | |
660 | } | |
661 | while (clnow < clthen); | |
662 | } | |
663 | ||
88b28483 RS |
664 | /* The Emacs root directory as determined by init_environment. */ |
665 | static char emacsroot[MAXPATHLEN]; | |
666 | ||
667 | char * | |
668 | rootrelativepath (rel) | |
669 | char *rel; | |
670 | { | |
671 | static char result[MAXPATHLEN + 10]; | |
672 | ||
673 | strcpy (result, emacsroot); | |
674 | strcat (result, "/"); | |
675 | strcat (result, rel); | |
676 | return result; | |
677 | } | |
678 | ||
1b94449f RS |
679 | /* Define a lot of environment variables if not already defined. Don't |
680 | remove anything unless you know what you're doing -- lots of code will | |
681 | break if one or more of these are missing. */ | |
682 | void | |
683 | init_environment (argc, argv, skip_args) | |
684 | int argc; | |
685 | char **argv; | |
686 | int skip_args; | |
687 | { | |
88b28483 RS |
688 | char *s, *t, *root; |
689 | int len; | |
690 | ||
691 | /* Find our root from argv[0]. Assuming argv[0] is, say, | |
692 | "c:/emacs/bin/emacs.exe" our root will be "c:/emacs". */ | |
693 | len = strlen (argv[0]); | |
694 | root = alloca (len + 10); /* A little extra space for the stuff below. */ | |
695 | strcpy (root, argv[0]); | |
696 | while (len > 0 && root[len] != '/' && root[len] != ':') | |
697 | len--; | |
698 | root[len] = '\0'; | |
699 | if (len > 4 && strcmp (root + len - 4, "/bin") == 0) | |
700 | root[len - 4] = '\0'; | |
1b94449f | 701 | else |
88b28483 RS |
702 | strcpy (root, "c:/emacs"); /* Only under debuggers, I think. */ |
703 | len = strlen (root); | |
704 | strcpy (emacsroot, root); | |
705 | ||
706 | /* We default HOME to our root. */ | |
707 | setenv ("HOME", root, 0); | |
708 | ||
709 | /* We default EMACSPATH to root + "/bin". */ | |
710 | strcpy (root + len, "/bin"); | |
711 | setenv ("EMACSPATH", root, 0); | |
1b94449f RS |
712 | |
713 | /* I don't expect anybody to ever use other terminals so the internal | |
714 | terminal is the default. */ | |
715 | setenv ("TERM", "internal", 0); | |
716 | ||
717 | /* SHELL is a bit tricky -- COMSPEC is the closest we come, but we must | |
718 | downcase it and mirror the backslashes. */ | |
719 | s = getenv ("COMSPEC"); | |
720 | if (!s) s = "c:/command.com"; | |
721 | t = alloca (strlen (s) + 1); | |
722 | strcpy (t, s); | |
723 | strlwr (t); | |
724 | dostounix_filename (t); | |
725 | setenv ("SHELL", t, 0); | |
726 | ||
727 | /* PATH is also downcased and backslashes mirrored. */ | |
728 | s = getenv ("PATH"); | |
729 | if (!s) s = ""; | |
730 | t = alloca (strlen (s) + 3); | |
731 | /* Current directory is always considered part of MsDos's path but it is | |
732 | not normally mentioned. Now it is. */ | |
733 | strcat (strcpy (t, ".;"), s); | |
734 | strlwr (t); | |
735 | dostounix_filename (t); /* Not a single file name, but this should work. */ | |
736 | setenv ("PATH", t, 1); | |
737 | ||
738 | /* In some sense all dos users have root privileges, so... */ | |
739 | setenv ("USER", "root", 0); | |
740 | setenv ("NAME", getenv ("USER"), 0); | |
741 | ||
742 | /* Time zone determined from country code. To make this possible, the | |
743 | country code may not span more than one time zone. In other words, | |
744 | in the USA, you lose. */ | |
745 | switch (dos_country_code) | |
746 | { | |
747 | case 31: /* Belgium */ | |
748 | case 32: /* The Netherlands */ | |
749 | case 33: /* France */ | |
750 | case 34: /* Spain */ | |
751 | case 36: /* Hungary */ | |
752 | case 38: /* Yugoslavia (or what's left of it?) */ | |
753 | case 39: /* Italy */ | |
754 | case 41: /* Switzerland */ | |
755 | case 42: /* Tjekia */ | |
756 | case 45: /* Denmark */ | |
757 | case 46: /* Sweden */ | |
758 | case 47: /* Norway */ | |
759 | case 48: /* Poland */ | |
760 | case 49: /* Germany */ | |
761 | /* Daylight saving from last Sunday in March to last Sunday in | |
762 | September, both at 2AM. */ | |
763 | setenv ("TZ", "MET-01METDST-02,M3.5.0/02:00,M9.5.0/02:00", 0); | |
764 | break; | |
765 | case 44: /* United Kingdom */ | |
766 | case 351: /* Portugal */ | |
767 | case 354: /* Iceland */ | |
768 | setenv ("TZ", "GMT+00", 0); | |
769 | break; | |
770 | case 81: /* Japan */ | |
771 | case 82: /* Korea */ | |
772 | setenv ("TZ", "???-09", 0); | |
773 | break; | |
774 | case 90: /* Turkey */ | |
775 | case 358: /* Finland */ | |
776 | case 972: /* Israel */ | |
777 | setenv ("TZ", "EET-02", 0); | |
778 | break; | |
779 | } | |
780 | tzset (); | |
b278e52a | 781 | init_gettimeofday (); |
1b94449f RS |
782 | } |
783 | ||
784 | /* Flash the screen as a substitute for BEEPs. */ | |
785 | ||
49a09c76 | 786 | static void |
fcea9cd4 | 787 | do_visible_bell (xorattr) |
1b94449f RS |
788 | unsigned char xorattr; |
789 | { | |
49a09c76 | 790 | asm volatile |
ca986694 | 791 | (" movb $1,%%dl |
1b94449f | 792 | visible_bell_0: |
ca986694 | 793 | movl _ScreenPrimary,%%eax |
49a09c76 | 794 | call dosmemsetup |
ca986694 RS |
795 | movl %%eax,%%ebx |
796 | movl %1,%%ecx | |
797 | movb %0,%%al | |
798 | incl %%ebx | |
1b94449f | 799 | visible_bell_1: |
ca986694 RS |
800 | xorb %%al,%%gs:(%%ebx) |
801 | addl $2,%%ebx | |
802 | decl %%ecx | |
49a09c76 | 803 | jne visible_bell_1 |
ca986694 | 804 | decb %%dl |
49a09c76 | 805 | jne visible_bell_3 |
1b94449f | 806 | visible_bell_2: |
ca986694 RS |
807 | movzwl %%ax,%%eax |
808 | movzwl %%ax,%%eax | |
809 | movzwl %%ax,%%eax | |
810 | movzwl %%ax,%%eax | |
811 | decw %%cx | |
49a09c76 RS |
812 | jne visible_bell_2 |
813 | jmp visible_bell_0 | |
ca986694 RS |
814 | visible_bell_3:" |
815 | : /* no output */ | |
816 | : "m" (xorattr), "g" (ScreenCols () * ScreenRows ()) | |
817 | : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx"); | |
1b94449f RS |
818 | } |
819 | ||
09e2ac30 RS |
820 | /* At screen position (X,Y), output C characters from string S with |
821 | attribute A. Do it fast! */ | |
822 | ||
823 | static void | |
824 | output_string (x, y, s, c, a) | |
825 | int x, y, c; | |
826 | unsigned char *s; | |
827 | unsigned char a; | |
828 | { | |
829 | char *t = (char *)ScreenPrimary + 2 * (x + ScreenCols () * y); | |
830 | asm volatile | |
831 | (" movl %1,%%eax | |
832 | call dosmemsetup | |
833 | movl %%eax,%%edi | |
834 | movb %0,%%ah | |
835 | movl %2,%%ecx | |
836 | movl %3,%%esi | |
837 | output_string1: | |
838 | movb (%%esi),%%al | |
839 | movw %%ax,%%gs:(%%edi) | |
840 | addl $2,%%edi | |
841 | incl %%esi | |
842 | decl %%ecx | |
843 | jne output_string1" | |
844 | : /* no output */ | |
845 | : "m" (a), "g" (t), "g" (c), "g" (s) | |
846 | : "%eax", "%ecx", /* "%gs",*/ "%esi", "%edi"); | |
847 | } | |
848 | ||
1b94449f RS |
849 | static int internal_terminal = 0; |
850 | #undef fflush | |
851 | ||
852 | int | |
853 | internal_flush (f) | |
854 | FILE *f; | |
855 | { | |
09e2ac30 | 856 | static char spaces[] = " "; |
1b94449f RS |
857 | static int x; |
858 | static int y; | |
09e2ac30 RS |
859 | unsigned char *cp, *cp0; |
860 | int count, i, j; | |
1b94449f RS |
861 | |
862 | if (internal_terminal && f == stdout) | |
863 | { | |
49a09c76 | 864 | if (have_mouse) mouse_off (); |
1b94449f RS |
865 | cp = stdout->_base; |
866 | count = stdout->_ptr - stdout->_base; | |
867 | while (count > 0) | |
868 | { | |
09e2ac30 | 869 | switch (*cp++) |
1b94449f RS |
870 | { |
871 | case 27: | |
872 | switch (*cp++) | |
873 | { | |
874 | case '@': | |
875 | y = *cp++; | |
876 | x = *cp++; | |
877 | count -= 4; | |
878 | break; | |
879 | case 'A': | |
880 | ScreenAttrib = *cp++; | |
881 | count -= 3; | |
882 | break; | |
883 | case 'B': | |
fcea9cd4 | 884 | do_visible_bell (*cp++); |
1b94449f RS |
885 | count -= 3; |
886 | break; | |
887 | case 'C': | |
888 | ScreenClear (); | |
889 | x = y = 0; | |
890 | count -= 2; | |
891 | break; | |
892 | case 'E': | |
09e2ac30 RS |
893 | i = ScreenCols () - x; |
894 | j = x; | |
895 | while (i >= sizeof spaces) | |
896 | { | |
897 | output_string (j, y, spaces, sizeof spaces, | |
898 | ScreenAttrib); | |
899 | j += sizeof spaces; | |
900 | i -= sizeof spaces; | |
901 | } | |
902 | if (i > 0) | |
903 | output_string (j, y, spaces, i, ScreenAttrib); | |
1b94449f RS |
904 | count -= 2; |
905 | break; | |
906 | case 'R': | |
907 | x++; | |
908 | count -= 2; | |
909 | break; | |
910 | case 'U': | |
911 | y--; | |
912 | count -= 2; | |
913 | break; | |
914 | case 'X': | |
915 | ScreenAttrib ^= *cp++; | |
916 | count -= 3; | |
917 | break; | |
918 | default: | |
919 | count -= 2; | |
920 | } | |
921 | break; | |
fcea9cd4 RS |
922 | case 7: |
923 | write (1, "\007", 1); | |
924 | count--; | |
925 | break; | |
1b94449f RS |
926 | case 8: |
927 | x--; | |
928 | count--; | |
929 | break; | |
930 | case 13: | |
931 | x = 0; | |
932 | count--; | |
933 | break; | |
934 | case 10: | |
935 | y++; | |
936 | count--; | |
937 | break; | |
938 | default: | |
09e2ac30 | 939 | cp0 = cp - 1; |
1b94449f | 940 | count--; |
09e2ac30 RS |
941 | while (count > 0 && *cp >= ' ') |
942 | cp++, count--; | |
943 | output_string (x, y, cp0, cp - cp0, ScreenAttrib); | |
944 | x += (cp - cp0); | |
1b94449f RS |
945 | } |
946 | } | |
947 | fpurge (stdout); | |
948 | ScreenSetCursor (y, x); | |
49a09c76 | 949 | if (have_mouse) mouse_on (); |
1b94449f RS |
950 | } |
951 | else | |
952 | /* This is a call to the original fflush. */ | |
953 | fflush (f); | |
954 | } | |
955 | ||
956 | /* Do we need the internal terminal? */ | |
957 | void | |
958 | internal_terminal_init () | |
959 | { | |
960 | char *term = getenv ("TERM"); | |
961 | ||
962 | internal_terminal | |
963 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
964 | } | |
b278e52a RS |
965 | \f |
966 | /* When time zones are set from Ms-Dos too may C-libraries are playing | |
967 | tricks with time values. We solve this by defining our own version | |
968 | of `gettimeofday' bypassing GO32. Our version needs to be initialized | |
969 | once and after each call to `tzset' with TZ changed. */ | |
1b94449f | 970 | |
b278e52a RS |
971 | static int daylight, gmtoffset; |
972 | ||
973 | int | |
974 | gettimeofday (struct timeval *tp, struct timezone *tzp) | |
975 | { | |
976 | if (tp) | |
977 | { | |
978 | struct time t; | |
979 | struct date d; | |
980 | struct tm tmrec; | |
981 | ||
982 | gettime (&t); | |
983 | getdate (&d); | |
984 | tmrec.tm_year = d.da_year - 1900; | |
985 | tmrec.tm_mon = d.da_mon - 1; | |
986 | tmrec.tm_mday = d.da_day; | |
987 | tmrec.tm_hour = t.ti_hour; | |
988 | tmrec.tm_min = t.ti_min; | |
989 | tmrec.tm_sec = t.ti_sec; | |
990 | tmrec.tm_gmtoff = gmtoffset; | |
991 | tmrec.tm_isdst = daylight; | |
992 | tp->tv_sec = mktime (&tmrec); | |
993 | tp->tv_usec = t.ti_hund * (1000000 / 100); | |
994 | } | |
995 | if (tzp) | |
996 | { | |
997 | tzp->tz_minuteswest = gmtoffset; | |
998 | tzp->tz_dsttime = daylight; | |
999 | } | |
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | void | |
1004 | init_gettimeofday () | |
1005 | { | |
1006 | time_t ltm, gtm; | |
1007 | struct tm *lstm; | |
1008 | ||
1009 | daylight = 0; | |
1010 | gmtoffset = 0; | |
1011 | ltm = gtm = time (NULL); | |
1012 | ltm = mktime (lstm = localtime (<m)); | |
1013 | gtm = mktime (gmtime (>m)); | |
1014 | daylight = lstm->tm_isdst; | |
1015 | gmtoffset = (int)(gtm - ltm) / 60; | |
1016 | } | |
1017 | \f | |
1b94449f RS |
1018 | /* These must be global. */ |
1019 | static _go32_dpmi_seginfo ctrl_break_vector; | |
1020 | static _go32_dpmi_registers ctrl_break_regs; | |
1021 | static int ctrlbreakinstalled = 0; | |
1022 | ||
1023 | /* Interrupt level detection of Ctrl-Break. Don't do anything fancy here! */ | |
1024 | void | |
1025 | ctrl_break_func (regs) | |
1026 | _go32_dpmi_registers *regs; | |
1027 | { | |
1028 | Vquit_flag = Qt; | |
1029 | } | |
1030 | ||
1031 | void | |
1032 | install_ctrl_break_check () | |
1033 | { | |
1034 | if (!ctrlbreakinstalled) | |
1035 | { | |
1036 | /* Don't press Ctrl-Break if you don't have either DPMI or Emacs | |
ca986694 | 1037 | was compiler with Djgpp 1.11 maintenance level 5 or later! */ |
1b94449f RS |
1038 | ctrlbreakinstalled = 1; |
1039 | ctrl_break_vector.pm_offset = (int) ctrl_break_func; | |
1040 | _go32_dpmi_allocate_real_mode_callback_iret (&ctrl_break_vector, | |
1041 | &ctrl_break_regs); | |
1042 | _go32_dpmi_set_real_mode_interrupt_vector (0x1b, &ctrl_break_vector); | |
1043 | } | |
1044 | } | |
1045 | \f | |
1046 | ||
1047 | /* Mouse routines under devellopment follow. Coordinates are in screen | |
1048 | positions and zero based. Mouse buttons are numbered from left to | |
1049 | right and also zero based. */ | |
1050 | ||
1051 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; | |
1052 | static int mouse_button_count; | |
1053 | ||
1054 | void | |
1055 | mouse_init () | |
1056 | { | |
1057 | union REGS regs; | |
1058 | ||
1059 | regs.x.ax = 0x0007; | |
1060 | regs.x.cx = 0; | |
1061 | regs.x.dx = 8 * (ScreenCols () - 1); | |
1062 | int86 (0x33, ®s, ®s); | |
1063 | ||
1064 | regs.x.ax = 0x0008; | |
1065 | regs.x.cx = 0; | |
1066 | regs.x.dx = 8 * (ScreenRows () - 1); | |
1067 | int86 (0x33, ®s, ®s); | |
1068 | ||
1069 | mouse_moveto (ScreenCols () - 1, ScreenRows () - 1); | |
1070 | mouse_on (); | |
1071 | } | |
1072 | ||
1073 | void | |
1074 | mouse_on () | |
1075 | { | |
1076 | union REGS regs; | |
1077 | ||
1078 | regs.x.ax = 0x0001; | |
1079 | int86 (0x33, ®s, ®s); | |
1080 | } | |
1081 | ||
1082 | void | |
1083 | mouse_off () | |
1084 | { | |
1085 | union REGS regs; | |
1086 | ||
1087 | regs.x.ax = 0x0002; | |
1088 | int86 (0x33, ®s, ®s); | |
1089 | } | |
1090 | ||
1091 | void | |
1092 | mouse_moveto (x, y) | |
1093 | int x, y; | |
1094 | { | |
1095 | union REGS regs; | |
1096 | ||
1097 | regs.x.ax = 0x0004; | |
1098 | mouse_last_x = regs.x.cx = x * 8; | |
1099 | mouse_last_y = regs.x.dx = y * 8; | |
1100 | int86 (0x33, ®s, ®s); | |
1101 | } | |
1102 | ||
1103 | int | |
1104 | mouse_pressed (b, xp, yp) | |
1105 | int b, *xp, *yp; | |
1106 | { | |
1107 | union REGS regs; | |
1108 | ||
1109 | if (b >= mouse_button_count) | |
1110 | return 0; | |
1111 | regs.x.ax = 0x0005; | |
1112 | regs.x.bx = mouse_button_translate[b]; | |
1113 | int86 (0x33, ®s, ®s); | |
1114 | if (regs.x.bx) | |
ca986694 | 1115 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; |
1b94449f RS |
1116 | return (regs.x.bx != 0); |
1117 | } | |
1118 | ||
1119 | int | |
1120 | mouse_released (b, xp, yp) | |
1121 | int b, *xp, *yp; | |
1122 | { | |
1123 | union REGS regs; | |
1124 | ||
1125 | if (b >= mouse_button_count) | |
1126 | return 0; | |
1127 | regs.x.ax = 0x0006; | |
1128 | regs.x.bx = mouse_button_translate[b]; | |
1129 | int86 (0x33, ®s, ®s); | |
1130 | if (regs.x.bx) | |
1131 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
1132 | return (regs.x.bx != 0); | |
1133 | } | |
1134 | ||
1135 | void | |
1136 | mouse_get_pos (f, bar_window, part, x, y, time) | |
1137 | FRAME_PTR *f; | |
1138 | Lisp_Object *bar_window, *x, *y; | |
1139 | enum scroll_bar_part *part; | |
1140 | unsigned long *time; | |
1141 | { | |
1142 | union REGS regs; | |
1143 | struct timeval tv; | |
1144 | ||
1145 | regs.x.ax = 0x0003; | |
1146 | int86 (0x33, ®s, ®s); | |
1147 | *f = selected_frame; | |
1148 | *bar_window = Qnil; | |
1149 | gettimeofday (&tv, NULL); | |
411acee3 RS |
1150 | *x = make_number (regs.x.cx); |
1151 | *y = make_number (regs.x.dx); | |
1b94449f RS |
1152 | *time = tv.tv_usec; |
1153 | mouse_moved = 0; | |
1154 | } | |
1155 | ||
1156 | void | |
1157 | mouse_check_moved () | |
1158 | { | |
1159 | union REGS regs; | |
1160 | ||
1161 | regs.x.ax = 0x0003; | |
1162 | int86 (0x33, ®s, ®s); | |
1163 | if (regs.x.cx != mouse_last_x || regs.x.dx != mouse_last_y) | |
1164 | { | |
1165 | mouse_moved = 1; | |
1166 | mouse_last_x = regs.x.cx; | |
1167 | mouse_last_y = regs.x.dx; | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | int | |
1172 | mouse_init1 () | |
1173 | { | |
1174 | union REGS regs; | |
1175 | int present; | |
1176 | ||
1177 | regs.x.ax = 0x0021; | |
1178 | int86 (0x33, ®s, ®s); | |
1179 | present = internal_terminal && (regs.x.ax & 0xffff) == 0xffff; | |
1180 | if (present) | |
1181 | { | |
1182 | if (regs.x.bx == 3) | |
1183 | { | |
1184 | mouse_button_count = 3; | |
1185 | mouse_button_translate[0] = 0; /* Left */ | |
1186 | mouse_button_translate[1] = 2; /* Middle */ | |
1187 | mouse_button_translate[2] = 1; /* Right */ | |
1188 | } | |
1189 | else | |
1190 | { | |
1191 | mouse_button_count = 2; | |
1192 | mouse_button_translate[0] = 0; | |
1193 | mouse_button_translate[1] = 1; | |
1194 | } | |
1195 | mouse_position_hook = &mouse_get_pos; | |
1196 | mouse_init (); | |
1197 | } | |
1198 | return present; | |
1199 | } | |
1200 | ||
49a09c76 RS |
1201 | /* See xterm.c for more info. */ |
1202 | void | |
1203 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
1204 | FRAME_PTR f; | |
1205 | register int pix_x, pix_y; | |
1206 | register int *x, *y; | |
1207 | void /* XRectangle */ *bounds; | |
1208 | int noclip; | |
1209 | { | |
1210 | if (bounds) abort (); | |
1211 | ||
1212 | /* Ignore clipping. */ | |
1213 | ||
1214 | *x = pix_x; | |
1215 | *y = pix_y; | |
1216 | } | |
1217 | ||
1218 | void | |
1219 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1220 | FRAME_PTR f; | |
1221 | register int x, y; | |
1222 | register int *pix_x, *pix_y; | |
1223 | { | |
1224 | *pix_x = x; | |
1225 | *pix_y = y; | |
1226 | } | |
1227 | ||
1b94449f | 1228 | #endif /* MSDOS */ |