Commit | Line | Data |
---|---|---|
9da6e765 | 1 | /* MS-DOS specific C utilities. |
48ffe371 | 2 | Copyright (C) 1993, 1994, 1995, 1996 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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
1b94449f | 20 | |
9da6e765 | 21 | /* Contributed by Morten Welinder */ |
f32d4091 | 22 | /* New display, keyboard, and mouse control by Kim F. Storm */ |
9da6e765 | 23 | |
1b94449f RS |
24 | /* Note: some of the stuff here was taken from end of sysdep.c in demacs. */ |
25 | ||
48984716 | 26 | #include <config.h> |
1b94449f RS |
27 | |
28 | #ifdef MSDOS | |
29 | #include "lisp.h" | |
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
32 | #include <sys/param.h> | |
33 | #include <sys/time.h> | |
34 | #include <dos.h> | |
d21e67b5 RS |
35 | #include <errno.h> |
36 | #include <sys/stat.h> /* for _fixpath */ | |
1bd7b2c7 RS |
37 | #if __DJGPP__ >= 2 |
38 | #include <fcntl.h> | |
d21e67b5 | 39 | #include <libc/dosio.h> /* for _USE_LFN */ |
1bd7b2c7 RS |
40 | #endif |
41 | ||
1b94449f RS |
42 | #include "dosfns.h" |
43 | #include "msdos.h" | |
44 | #include "systime.h" | |
45 | #include "termhooks.h" | |
87485d6f MW |
46 | #include "dispextern.h" |
47 | #include "termopts.h" | |
1b94449f | 48 | #include "frame.h" |
87485d6f | 49 | #include "window.h" |
1b94449f RS |
50 | #include <go32.h> |
51 | #include <pc.h> | |
52 | #include <ctype.h> | |
53 | /* #include <process.h> */ | |
54 | /* Damn that local process.h! Instead we can define P_WAIT ourselves. */ | |
55 | #define P_WAIT 1 | |
56 | ||
d21e67b5 RS |
57 | #ifndef _USE_LFN |
58 | #define _USE_LFN 0 | |
59 | #endif | |
60 | ||
1bd7b2c7 RS |
61 | #if __DJGPP__ > 1 |
62 | ||
8748735b RS |
63 | #include <signal.h> |
64 | ||
1bd7b2c7 RS |
65 | #ifndef SYSTEM_MALLOC |
66 | ||
67 | #ifdef GNU_MALLOC | |
68 | ||
69 | /* If other `malloc' than ours is used, force our `sbrk' behave like | |
70 | Unix programs expect (resize memory blocks to keep them contiguous). | |
71 | If `sbrk' from `ralloc.c' is NOT used, also zero-out sbrk'ed memory, | |
72 | because that's what `gmalloc' expects to get. */ | |
73 | #include <crt0.h> | |
74 | ||
75 | #ifdef REL_ALLOC | |
76 | int _crt0_startup_flags = _CRT0_FLAG_UNIX_SBRK; | |
77 | #else /* not REL_ALLOC */ | |
78 | int _crt0_startup_flags = (_CRT0_FLAG_UNIX_SBRK | _CRT0_FLAG_FILL_SBRK_MEMORY); | |
79 | #endif /* not REL_ALLOC */ | |
80 | #endif /* GNU_MALLOC */ | |
81 | ||
82 | #endif /* not SYSTEM_MALLOC */ | |
83 | #endif /* __DJGPP__ > 1 */ | |
aee81730 RS |
84 | |
85 | static unsigned long | |
86 | event_timestamp () | |
87 | { | |
88 | struct time t; | |
89 | unsigned long s; | |
f32d4091 | 90 | |
aee81730 RS |
91 | gettime (&t); |
92 | s = t.ti_min; | |
93 | s *= 60; | |
94 | s += t.ti_sec; | |
95 | s *= 1000; | |
96 | s += t.ti_hund * 10; | |
f32d4091 | 97 | |
aee81730 RS |
98 | return s; |
99 | } | |
100 | ||
f32d4091 KS |
101 | \f |
102 | /* ------------------------ Mouse control --------------------------- | |
103 | * | |
104 | * Coordinates are in screen positions and zero based. | |
105 | * Mouse buttons are numbered from left to right and also zero based. | |
106 | */ | |
1b94449f | 107 | |
f32d4091 KS |
108 | int have_mouse; /* 0: no, 1: enabled, -1: disabled */ |
109 | static int mouse_visible; | |
1b94449f | 110 | |
f32d4091 KS |
111 | static int mouse_last_x; |
112 | static int mouse_last_y; | |
1b94449f | 113 | |
f32d4091 KS |
114 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; |
115 | static int mouse_button_count; | |
1b94449f | 116 | |
f32d4091 KS |
117 | void |
118 | mouse_on () | |
1b94449f | 119 | { |
1b94449f | 120 | union REGS regs; |
1b94449f | 121 | |
f32d4091 | 122 | if (have_mouse > 0 && !mouse_visible) |
1b94449f | 123 | { |
f32d4091 KS |
124 | if (termscript) |
125 | fprintf (termscript, "<M_ON>"); | |
126 | regs.x.ax = 0x0001; | |
127 | int86 (0x33, ®s, ®s); | |
128 | mouse_visible = 1; | |
1b94449f | 129 | } |
1b94449f RS |
130 | } |
131 | ||
f32d4091 KS |
132 | void |
133 | mouse_off () | |
1b94449f | 134 | { |
f32d4091 | 135 | union REGS regs; |
1b94449f | 136 | |
f32d4091 | 137 | if (have_mouse > 0 && mouse_visible) |
1b94449f | 138 | { |
f32d4091 KS |
139 | if (termscript) |
140 | fprintf (termscript, "<M_OFF>"); | |
141 | regs.x.ax = 0x0002; | |
142 | int86 (0x33, ®s, ®s); | |
143 | mouse_visible = 0; | |
1b94449f | 144 | } |
1b94449f RS |
145 | } |
146 | ||
f32d4091 KS |
147 | void |
148 | mouse_moveto (x, y) | |
149 | int x, y; | |
1b94449f | 150 | { |
f32d4091 | 151 | union REGS regs; |
1b94449f | 152 | |
f32d4091 KS |
153 | if (termscript) |
154 | fprintf (termscript, "<M_XY=%dx%d>", x, y); | |
155 | regs.x.ax = 0x0004; | |
156 | mouse_last_x = regs.x.cx = x * 8; | |
157 | mouse_last_y = regs.x.dx = y * 8; | |
158 | int86 (0x33, ®s, ®s); | |
1b94449f RS |
159 | } |
160 | ||
f32d4091 KS |
161 | static int |
162 | mouse_pressed (b, xp, yp) | |
163 | int b, *xp, *yp; | |
1b94449f | 164 | { |
f32d4091 | 165 | union REGS regs; |
1b94449f | 166 | |
f32d4091 KS |
167 | if (b >= mouse_button_count) |
168 | return 0; | |
169 | regs.x.ax = 0x0005; | |
170 | regs.x.bx = mouse_button_translate[b]; | |
171 | int86 (0x33, ®s, ®s); | |
172 | if (regs.x.bx) | |
173 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
174 | return (regs.x.bx != 0); | |
1b94449f RS |
175 | } |
176 | ||
f32d4091 KS |
177 | static int |
178 | mouse_released (b, xp, yp) | |
179 | int b, *xp, *yp; | |
1b94449f RS |
180 | { |
181 | union REGS regs; | |
182 | ||
f32d4091 KS |
183 | if (b >= mouse_button_count) |
184 | return 0; | |
185 | regs.x.ax = 0x0006; | |
186 | regs.x.bx = mouse_button_translate[b]; | |
187 | int86 (0x33, ®s, ®s); | |
188 | if (regs.x.bx) | |
189 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
190 | return (regs.x.bx != 0); | |
1b94449f RS |
191 | } |
192 | ||
f32d4091 KS |
193 | static void |
194 | mouse_get_xy (int *x, int *y) | |
1b94449f | 195 | { |
f32d4091 | 196 | union REGS regs; |
1b94449f | 197 | |
f32d4091 KS |
198 | regs.x.ax = 0x0003; |
199 | int86 (0x33, ®s, ®s); | |
200 | *x = regs.x.cx / 8; | |
201 | *y = regs.x.dx / 8; | |
1b94449f RS |
202 | } |
203 | ||
f32d4091 KS |
204 | void |
205 | mouse_get_pos (f, insist, bar_window, part, x, y, time) | |
206 | FRAME_PTR *f; | |
207 | int insist; | |
208 | Lisp_Object *bar_window, *x, *y; | |
209 | enum scroll_bar_part *part; | |
210 | unsigned long *time; | |
211 | { | |
212 | int ix, iy; | |
213 | union REGS regs; | |
214 | ||
215 | regs.x.ax = 0x0003; | |
216 | int86 (0x33, ®s, ®s); | |
217 | *f = selected_frame; | |
218 | *bar_window = Qnil; | |
219 | mouse_get_xy (&ix, &iy); | |
220 | selected_frame->mouse_moved = 0; | |
221 | *x = make_number (ix); | |
222 | *y = make_number (iy); | |
223 | *time = event_timestamp (); | |
224 | } | |
1b94449f | 225 | |
f32d4091 KS |
226 | static void |
227 | mouse_check_moved () | |
1b94449f | 228 | { |
aee81730 | 229 | int x, y; |
1b94449f | 230 | |
f32d4091 KS |
231 | mouse_get_xy (&x, &y); |
232 | selected_frame->mouse_moved |= (x != mouse_last_x || y != mouse_last_y); | |
233 | mouse_last_x = x; | |
234 | mouse_last_y = y; | |
235 | } | |
1b94449f | 236 | |
f32d4091 KS |
237 | void |
238 | mouse_init () | |
239 | { | |
240 | union REGS regs; | |
647c32eb | 241 | |
f32d4091 KS |
242 | if (termscript) |
243 | fprintf (termscript, "<M_INIT>"); | |
1b94449f | 244 | |
f32d4091 KS |
245 | regs.x.ax = 0x0021; |
246 | int86 (0x33, ®s, ®s); | |
091d0bdf | 247 | |
f32d4091 KS |
248 | regs.x.ax = 0x0007; |
249 | regs.x.cx = 0; | |
250 | regs.x.dx = 8 * (ScreenCols () - 1); | |
251 | int86 (0x33, ®s, ®s); | |
1b94449f | 252 | |
f32d4091 KS |
253 | regs.x.ax = 0x0008; |
254 | regs.x.cx = 0; | |
255 | regs.x.dx = 8 * (ScreenRows () - 1); | |
256 | int86 (0x33, ®s, ®s); | |
1b94449f | 257 | |
f32d4091 KS |
258 | mouse_moveto (0, 0); |
259 | mouse_visible = 0; | |
260 | } | |
3eb1dbb6 | 261 | \f |
f32d4091 KS |
262 | /* ------------------------- Screen control ---------------------- |
263 | * | |
264 | */ | |
aee81730 | 265 | |
f32d4091 | 266 | static int internal_terminal = 0; |
aee81730 | 267 | |
f32d4091 KS |
268 | #ifndef HAVE_X_WINDOWS |
269 | extern unsigned char ScreenAttrib; | |
270 | static int screen_face; | |
271 | static int highlight; | |
aee81730 | 272 | |
f32d4091 KS |
273 | static int screen_size_X; |
274 | static int screen_size_Y; | |
275 | static int screen_size; | |
1b94449f | 276 | |
f32d4091 KS |
277 | static int current_pos_X; |
278 | static int current_pos_Y; | |
279 | static int new_pos_X; | |
280 | static int new_pos_Y; | |
1b94449f | 281 | |
f32d4091 KS |
282 | static void *startup_screen_buffer; |
283 | static int startup_screen_size_X; | |
284 | static int startup_screen_size_Y; | |
285 | static int startup_pos_X; | |
286 | static int startup_pos_Y; | |
c9adab25 | 287 | static unsigned char startup_screen_attrib; |
1b94449f | 288 | |
f32d4091 | 289 | static int term_setup_done; |
1b94449f | 290 | |
f32d4091 | 291 | /* Similar to the_only_frame. */ |
f6816f88 | 292 | struct x_output the_only_x_display; |
1b94449f | 293 | |
f32d4091 KS |
294 | /* This is never dereferenced. */ |
295 | Display *x_current_display; | |
1b94449f | 296 | |
1b94449f | 297 | |
f32d4091 KS |
298 | #define SCREEN_SET_CURSOR() \ |
299 | if (current_pos_X != new_pos_X || current_pos_Y != new_pos_Y) \ | |
300 | ScreenSetCursor (current_pos_Y = new_pos_Y, current_pos_X = new_pos_X) | |
aee81730 | 301 | |
f32d4091 KS |
302 | static |
303 | dos_direct_output (y, x, buf, len) | |
304 | int y; | |
305 | int x; | |
306 | char *buf; | |
307 | int len; | |
1b94449f | 308 | { |
f32d4091 | 309 | int t = (int) ScreenPrimary + 2 * (x + y * screen_size_X); |
aee81730 | 310 | |
f32d4091 KS |
311 | while (--len >= 0) { |
312 | dosmemput (buf++, 1, t); | |
313 | t += 2; | |
314 | } | |
1b94449f | 315 | } |
aee81730 | 316 | #endif |
1b94449f | 317 | |
1b94449f RS |
318 | /* Flash the screen as a substitute for BEEPs. */ |
319 | ||
f32d4091 | 320 | #if (__DJGPP__ < 2) |
49a09c76 | 321 | static void |
fcea9cd4 | 322 | do_visible_bell (xorattr) |
1b94449f RS |
323 | unsigned char xorattr; |
324 | { | |
49a09c76 | 325 | asm volatile |
ca986694 | 326 | (" movb $1,%%dl |
1b94449f | 327 | visible_bell_0: |
ca986694 | 328 | movl _ScreenPrimary,%%eax |
49a09c76 | 329 | call dosmemsetup |
ca986694 RS |
330 | movl %%eax,%%ebx |
331 | movl %1,%%ecx | |
332 | movb %0,%%al | |
333 | incl %%ebx | |
1b94449f | 334 | visible_bell_1: |
ca986694 RS |
335 | xorb %%al,%%gs:(%%ebx) |
336 | addl $2,%%ebx | |
337 | decl %%ecx | |
49a09c76 | 338 | jne visible_bell_1 |
ca986694 | 339 | decb %%dl |
49a09c76 | 340 | jne visible_bell_3 |
1b94449f | 341 | visible_bell_2: |
ca986694 RS |
342 | movzwl %%ax,%%eax |
343 | movzwl %%ax,%%eax | |
344 | movzwl %%ax,%%eax | |
345 | movzwl %%ax,%%eax | |
346 | decw %%cx | |
49a09c76 RS |
347 | jne visible_bell_2 |
348 | jmp visible_bell_0 | |
ca986694 RS |
349 | visible_bell_3:" |
350 | : /* no output */ | |
f32d4091 | 351 | : "m" (xorattr), "g" (screen_size) |
ca986694 | 352 | : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx"); |
1b94449f RS |
353 | } |
354 | ||
f32d4091 KS |
355 | static void |
356 | ScreenVisualBell (void) | |
357 | { | |
358 | /* This creates an xor-mask that will swap the default fore- and | |
359 | background colors. */ | |
360 | do_visible_bell (((the_only_x_display.foreground_pixel | |
361 | ^ the_only_x_display.background_pixel) | |
362 | * 0x11) & 0x7f); | |
363 | } | |
364 | #endif | |
365 | ||
366 | #ifndef HAVE_X_WINDOWS | |
367 | ||
76ac1508 RS |
368 | /* Enable bright background colors. */ |
369 | static void | |
370 | bright_bg (void) | |
371 | { | |
372 | union REGS regs; | |
373 | ||
374 | regs.h.bl = 0; | |
375 | regs.x.ax = 0x1003; | |
376 | int86 (0x10, ®s, ®s); | |
377 | } | |
378 | ||
4a96d4d2 KH |
379 | /* Set the screen dimensions so that it can show no less than |
380 | ROWS x COLS frame. */ | |
48ffe371 | 381 | |
4a96d4d2 KH |
382 | void |
383 | dos_set_window_size (rows, cols) | |
384 | int *rows, *cols; | |
385 | { | |
386 | char video_name[30]; | |
387 | Lisp_Object video_mode; | |
388 | int video_mode_value; | |
389 | int have_vga = 0; | |
390 | union REGS regs; | |
391 | int current_rows = ScreenRows (), current_cols = ScreenCols (); | |
392 | ||
393 | if (*rows == current_rows && *cols == current_cols) | |
394 | return; | |
395 | ||
396 | /* Do we have a VGA? */ | |
397 | regs.x.ax = 0x1a00; | |
398 | int86 (0x10, ®s, ®s); | |
399 | if (regs.h.al == 0x1a && regs.h.bl > 5 && regs.h.bl < 13) | |
400 | have_vga = 1; | |
401 | ||
402 | mouse_off (); | |
403 | ||
48ffe371 | 404 | /* If the user specified a special video mode for these dimensions, |
4a96d4d2 KH |
405 | use that mode. */ |
406 | sprintf (video_name, "screen-dimensions-%dx%d", *rows, *cols); | |
407 | video_mode = XSYMBOL (Fintern_soft (build_string (video_name), | |
408 | Qnil))-> value; | |
409 | ||
410 | if (INTEGERP (video_mode) | |
411 | && (video_mode_value = XINT (video_mode)) > 0) | |
412 | { | |
413 | regs.x.ax = video_mode_value; | |
414 | int86 (0x10, ®s, ®s); | |
48ffe371 RS |
415 | |
416 | if (have_mouse) | |
417 | { | |
418 | /* Must hardware-reset the mouse, or else it won't update | |
419 | its notion of screen dimensions for some non-standard | |
420 | video modes. This is *painfully* slow... */ | |
421 | regs.x.ax = 0; | |
422 | int86 (0x33, ®s, ®s); | |
423 | } | |
4a96d4d2 KH |
424 | } |
425 | ||
426 | /* Find one of the dimensions supported by standard EGA/VGA | |
427 | which gives us at least the required dimensions. */ | |
428 | ||
429 | #if __DJGPP__ > 1 | |
430 | ||
431 | else | |
432 | { | |
433 | static struct { | |
434 | int rows; | |
435 | int need_vga; | |
436 | } std_dimension[] = { | |
437 | {25, 0}, | |
438 | {28, 1}, | |
439 | {35, 0}, | |
440 | {40, 1}, | |
441 | {43, 0}, | |
442 | {50, 1} | |
443 | }; | |
444 | int i = 0; | |
445 | ||
446 | while (i < sizeof (std_dimension) / sizeof (std_dimension[0])) | |
447 | { | |
448 | if (std_dimension[i].need_vga <= have_vga | |
449 | && std_dimension[i].rows >= *rows) | |
450 | { | |
451 | if (std_dimension[i].rows != current_rows | |
452 | || *cols != current_cols) | |
48ffe371 | 453 | _set_screen_lines (std_dimension[i].rows); |
4a96d4d2 KH |
454 | break; |
455 | } | |
48ffe371 | 456 | i++; |
4a96d4d2 KH |
457 | } |
458 | } | |
459 | ||
460 | #else /* not __DJGPP__ > 1 */ | |
461 | ||
462 | else if (*rows <= 25) | |
463 | { | |
464 | if (current_rows != 25 || current_cols != 80) | |
465 | { | |
466 | regs.x.ax = 3; | |
467 | int86 (0x10, ®s, ®s); | |
468 | regs.x.ax = 0x1101; | |
469 | regs.h.bl = 0; | |
470 | int86 (0x10, ®s, ®s); | |
471 | regs.x.ax = 0x1200; | |
472 | regs.h.bl = 32; | |
473 | int86 (0x10, ®s, ®s); | |
474 | regs.x.ax = 3; | |
475 | int86 (0x10, ®s, ®s); | |
476 | } | |
477 | } | |
478 | else if (*rows <= 50) | |
479 | if (have_vga && (current_rows != 50 || current_cols != 80) | |
480 | || *rows <= 43 && (current_rows != 43 || current_cols != 80)) | |
481 | { | |
482 | regs.x.ax = 3; | |
483 | int86 (0x10, ®s, ®s); | |
484 | regs.x.ax = 0x1112; | |
485 | regs.h.bl = 0; | |
486 | int86 (0x10, ®s, ®s); | |
487 | regs.x.ax = 0x1200; | |
488 | regs.h.bl = 32; | |
489 | int86 (0x10, ®s, ®s); | |
490 | regs.x.ax = 0x0100; | |
491 | regs.x.cx = 7; | |
492 | int86 (0x10, ®s, ®s); | |
493 | } | |
494 | #endif /* not __DJGPP__ > 1 */ | |
495 | ||
496 | if (have_mouse) | |
497 | { | |
4a96d4d2 KH |
498 | mouse_init (); |
499 | mouse_on (); | |
500 | } | |
501 | ||
502 | /* Tell the caller what dimensions have been REALLY set. */ | |
503 | *rows = ScreenRows (); | |
504 | *cols = ScreenCols (); | |
76ac1508 RS |
505 | |
506 | /* Enable bright background colors. */ | |
507 | bright_bg (); | |
4a96d4d2 KH |
508 | } |
509 | ||
48ffe371 RS |
510 | /* If we write a character in the position where the mouse is, |
511 | the mouse cursor may need to be refreshed. */ | |
09e2ac30 RS |
512 | |
513 | static void | |
f32d4091 | 514 | mouse_off_maybe () |
09e2ac30 | 515 | { |
f32d4091 KS |
516 | int x, y; |
517 | ||
518 | if (!mouse_visible) | |
519 | return; | |
520 | ||
521 | mouse_get_xy (&x, &y); | |
522 | if (y != new_pos_Y || x < new_pos_X) | |
523 | return; | |
524 | ||
525 | mouse_off (); | |
526 | } | |
527 | ||
528 | static | |
529 | IT_ring_bell () | |
530 | { | |
531 | if (visible_bell) | |
aee81730 | 532 | { |
f32d4091 KS |
533 | mouse_off (); |
534 | ScreenVisualBell (); | |
aee81730 | 535 | } |
f32d4091 | 536 | else |
3635be47 RS |
537 | { |
538 | union REGS inregs, outregs; | |
539 | inregs.h.ah = 2; | |
540 | inregs.h.dl = 7; | |
541 | intdos (&inregs, &outregs); | |
542 | } | |
09e2ac30 RS |
543 | } |
544 | ||
f32d4091 KS |
545 | static void |
546 | IT_set_face (int face) | |
547 | { | |
548 | struct face *fp; | |
549 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); | |
550 | ||
551 | if (face == 1 || (face == 0 && highlight)) | |
552 | fp = FRAME_MODE_LINE_FACE (foo); | |
553 | else if (face <= 0 || face >= FRAME_N_COMPUTED_FACES (foo)) | |
554 | fp = FRAME_DEFAULT_FACE (foo); | |
555 | else | |
556 | fp = intern_face (selected_frame, FRAME_COMPUTED_FACES (foo)[face]); | |
557 | if (termscript) | |
558 | fprintf (termscript, "<FACE:%d:%d>", FACE_FOREGROUND (fp), FACE_BACKGROUND (fp)); | |
559 | screen_face = face; | |
560 | ScreenAttrib = (FACE_BACKGROUND (fp) << 4) | FACE_FOREGROUND (fp); | |
561 | } | |
562 | ||
563 | static | |
564 | IT_write_glyphs (GLYPH *str, int len) | |
565 | { | |
566 | int newface; | |
567 | int ch, l = len; | |
568 | unsigned char *buf, *bp; | |
87485d6f | 569 | |
f32d4091 | 570 | if (len == 0) return; |
aee81730 | 571 | |
f32d4091 | 572 | buf = bp = alloca (len * 2); |
aee81730 | 573 | |
f32d4091 | 574 | while (--l >= 0) |
aee81730 | 575 | { |
f32d4091 KS |
576 | newface = FAST_GLYPH_FACE (*str); |
577 | if (newface != screen_face) | |
578 | IT_set_face (newface); | |
579 | ch = FAST_GLYPH_CHAR (*str); | |
580 | *bp++ = (unsigned char)ch; | |
581 | *bp++ = ScreenAttrib; | |
582 | ||
583 | if (termscript) | |
584 | fputc (ch, termscript); | |
585 | str++; | |
aee81730 RS |
586 | } |
587 | ||
f32d4091 KS |
588 | mouse_off_maybe (); |
589 | dosmemput (buf, 2 * len, | |
590 | (int)ScreenPrimary + 2 * (new_pos_X + screen_size_X * new_pos_Y)); | |
591 | new_pos_X += len; | |
592 | } | |
aee81730 | 593 | |
f32d4091 KS |
594 | static |
595 | IT_clear_end_of_line (first_unused) | |
596 | { | |
597 | char *spaces, *sp; | |
598 | int i, j; | |
599 | ||
600 | IT_set_face (0); | |
601 | if (termscript) | |
602 | fprintf (termscript, "<CLR:EOL>"); | |
603 | i = (j = screen_size_X - new_pos_X) * 2; | |
604 | spaces = sp = alloca (i); | |
aee81730 | 605 | |
f32d4091 | 606 | while (--j >= 0) |
aee81730 | 607 | { |
f32d4091 KS |
608 | *sp++ = ' '; |
609 | *sp++ = ScreenAttrib; | |
aee81730 RS |
610 | } |
611 | ||
f32d4091 KS |
612 | mouse_off_maybe (); |
613 | dosmemput (spaces, i, | |
614 | (int)ScreenPrimary + 2 * (new_pos_X + screen_size_X * new_pos_Y)); | |
aee81730 RS |
615 | } |
616 | ||
f32d4091 KS |
617 | static |
618 | IT_clear_screen (void) | |
619 | { | |
620 | if (termscript) | |
621 | fprintf (termscript, "<CLR:SCR>"); | |
622 | IT_set_face (0); | |
623 | mouse_off (); | |
624 | ScreenClear (); | |
625 | new_pos_X = new_pos_Y = 0; | |
626 | } | |
627 | ||
628 | static | |
629 | IT_clear_to_end (void) | |
630 | { | |
631 | if (termscript) | |
632 | fprintf (termscript, "<CLR:EOS>"); | |
633 | ||
634 | while (new_pos_Y < screen_size_Y) { | |
635 | new_pos_X = 0; | |
636 | IT_clear_end_of_line (0); | |
637 | new_pos_Y++; | |
638 | } | |
639 | } | |
640 | ||
641 | static | |
642 | IT_cursor_to (int y, int x) | |
643 | { | |
644 | if (termscript) | |
645 | fprintf (termscript, "\n<XY=%dx%d>", x, y); | |
646 | new_pos_X = x; | |
647 | new_pos_Y = y; | |
648 | } | |
649 | ||
650 | static | |
651 | IT_reassert_line_highlight (new, vpos) | |
652 | int new, vpos; | |
653 | { | |
654 | highlight = new; | |
655 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
656 | } | |
657 | ||
658 | static | |
659 | IT_change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
1b94449f | 660 | { |
f32d4091 KS |
661 | highlight = new_highlight; |
662 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
663 | IT_cursor_to (vpos, 0); | |
664 | IT_clear_end_of_line (first_unused_hpos); | |
665 | } | |
666 | ||
667 | static | |
668 | IT_update_begin () | |
669 | { | |
670 | highlight = 0; | |
671 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
672 | screen_face = -1; | |
673 | } | |
674 | ||
675 | static | |
676 | IT_update_end () | |
677 | { | |
678 | } | |
1b94449f | 679 | |
3bb1f22f RS |
680 | /* This was more or less copied from xterm.c |
681 | ||
682 | Nowadays, the corresponding function under X is `x_set_menu_bar_lines_1' | |
683 | on xfns.c */ | |
48ffe371 | 684 | |
f32d4091 KS |
685 | static void |
686 | IT_set_menu_bar_lines (window, n) | |
48ffe371 RS |
687 | Lisp_Object window; |
688 | int n; | |
f32d4091 KS |
689 | { |
690 | struct window *w = XWINDOW (window); | |
691 | ||
9a166e40 | 692 | XSETFASTINT (w->last_modified, 0); |
f32d4091 KS |
693 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
694 | XSETFASTINT (w->height, XFASTINT (w->height) - n); | |
695 | ||
696 | /* Handle just the top child in a vertical split. */ | |
697 | if (!NILP (w->vchild)) | |
698 | IT_set_menu_bar_lines (w->vchild, n); | |
699 | ||
700 | /* Adjust all children in a horizontal split. */ | |
701 | for (window = w->hchild; !NILP (window); window = w->next) | |
1b94449f | 702 | { |
f32d4091 KS |
703 | w = XWINDOW (window); |
704 | IT_set_menu_bar_lines (window, n); | |
aee81730 | 705 | } |
f32d4091 KS |
706 | } |
707 | ||
3bb1f22f RS |
708 | /* This was copied from xfns.c */ |
709 | ||
710 | void | |
711 | x_set_menu_bar_lines (f, value, oldval) | |
712 | struct frame *f; | |
713 | Lisp_Object value, oldval; | |
714 | { | |
715 | int nlines; | |
716 | int olines = FRAME_MENU_BAR_LINES (f); | |
717 | ||
718 | /* Right now, menu bars don't work properly in minibuf-only frames; | |
719 | most of the commands try to apply themselves to the minibuffer | |
720 | frame itslef, and get an error because you can't switch buffers | |
721 | in or split the minibuffer window. */ | |
722 | if (FRAME_MINIBUF_ONLY_P (f)) | |
723 | return; | |
724 | ||
725 | if (INTEGERP (value)) | |
726 | nlines = XINT (value); | |
727 | else | |
728 | nlines = 0; | |
729 | ||
730 | FRAME_MENU_BAR_LINES (f) = nlines; | |
731 | IT_set_menu_bar_lines (f->root_window, nlines - olines); | |
732 | } | |
733 | ||
48ffe371 RS |
734 | /* IT_set_terminal_modes is called when emacs is started, |
735 | resumed, and whenever the screen is redrawn! */ | |
f32d4091 KS |
736 | |
737 | static | |
738 | IT_set_terminal_modes (void) | |
739 | { | |
740 | char *colors; | |
741 | FRAME_PTR f; | |
742 | struct face *fp; | |
aee81730 | 743 | |
aee81730 | 744 | if (termscript) |
f32d4091 KS |
745 | fprintf (termscript, "\n<SET_TERM>"); |
746 | highlight = 0; | |
747 | ||
748 | screen_size_X = ScreenCols (); | |
749 | screen_size_Y = ScreenRows (); | |
750 | screen_size = screen_size_X * screen_size_Y; | |
aee81730 | 751 | |
f32d4091 KS |
752 | new_pos_X = new_pos_Y = 0; |
753 | current_pos_X = current_pos_Y = -1; | |
754 | ||
755 | if (term_setup_done) | |
756 | return; | |
757 | term_setup_done = 1; | |
aee81730 | 758 | |
f32d4091 KS |
759 | startup_screen_size_X = screen_size_X; |
760 | startup_screen_size_Y = screen_size_Y; | |
c9adab25 | 761 | startup_screen_attrib = ScreenAttrib; |
f32d4091 KS |
762 | |
763 | ScreenGetCursor (&startup_pos_Y, &startup_pos_X); | |
764 | ScreenRetrieve (startup_screen_buffer = xmalloc (screen_size * 2)); | |
765 | ||
766 | if (termscript) | |
c9adab25 KH |
767 | fprintf (termscript, "<SCREEN SAVED (dimensions=%dx%d)>\n", |
768 | screen_size_X, screen_size_Y); | |
76ac1508 RS |
769 | |
770 | bright_bg (); | |
f32d4091 KS |
771 | } |
772 | ||
48ffe371 RS |
773 | /* IT_reset_terminal_modes is called when emacs is |
774 | suspended or killed. */ | |
f32d4091 KS |
775 | |
776 | static | |
777 | IT_reset_terminal_modes (void) | |
778 | { | |
c9adab25 KH |
779 | int display_row_start = (int) ScreenPrimary; |
780 | int saved_row_len = startup_screen_size_X * 2; | |
781 | int update_row_len = ScreenCols () * 2; | |
782 | int current_rows = ScreenRows (); | |
783 | int to_next_row = update_row_len; | |
784 | unsigned char *saved_row = startup_screen_buffer; | |
785 | int cursor_pos_X = ScreenCols () - 1; | |
786 | int cursor_pos_Y = ScreenRows () - 1; | |
787 | ||
f32d4091 | 788 | if (termscript) |
5063b150 | 789 | fprintf (termscript, "\n<RESET_TERM>"); |
f32d4091 KS |
790 | |
791 | highlight = 0; | |
792 | ||
793 | if (!term_setup_done) | |
794 | return; | |
795 | ||
c9adab25 KH |
796 | mouse_off (); |
797 | ||
798 | /* We have a situation here. | |
799 | We cannot just do ScreenUpdate(startup_screen_buffer) because | |
800 | the luser could have changed screen dimensions inside Emacs | |
801 | and failed (or didn't want) to restore them before killing | |
802 | Emacs. ScreenUpdate() uses the *current* screen dimensions and | |
803 | thus will happily use memory outside what was allocated for | |
804 | `startup_screen_buffer'. | |
805 | Thus we only restore as much as the current screen dimensions | |
806 | can hold, and clear the rest (if the saved screen is smaller than | |
807 | the current) with the color attribute saved at startup. The cursor | |
808 | is also restored within the visible dimensions. */ | |
809 | ||
810 | ScreenAttrib = startup_screen_attrib; | |
811 | ScreenClear (); | |
812 | ||
813 | if (update_row_len > saved_row_len) | |
814 | update_row_len = saved_row_len; | |
815 | if (current_rows > startup_screen_size_Y) | |
816 | current_rows = startup_screen_size_Y; | |
f32d4091 KS |
817 | |
818 | if (termscript) | |
c9adab25 KH |
819 | fprintf (termscript, "<SCREEN RESTORED (dimensions=%dx%d)>\n", |
820 | update_row_len / 2, current_rows); | |
821 | ||
822 | while (current_rows--) | |
823 | { | |
824 | dosmemput (saved_row, update_row_len, display_row_start); | |
825 | saved_row += saved_row_len; | |
826 | display_row_start += to_next_row; | |
827 | } | |
828 | if (startup_pos_X < cursor_pos_X) | |
829 | cursor_pos_X = startup_pos_X; | |
830 | if (startup_pos_Y < cursor_pos_Y) | |
831 | cursor_pos_Y = startup_pos_Y; | |
832 | ||
833 | ScreenSetCursor (cursor_pos_Y, cursor_pos_X); | |
834 | xfree (startup_screen_buffer); | |
f32d4091 KS |
835 | |
836 | term_setup_done = 0; | |
837 | } | |
838 | ||
839 | static | |
840 | IT_set_terminal_window (void) | |
841 | { | |
842 | } | |
843 | ||
844 | void | |
3bb1f22f RS |
845 | IT_set_frame_parameters (f, alist) |
846 | FRAME_PTR f; | |
f32d4091 KS |
847 | Lisp_Object alist; |
848 | { | |
849 | Lisp_Object tail; | |
850 | int redraw; | |
851 | extern unsigned long load_color (); | |
f32d4091 KS |
852 | |
853 | redraw = 0; | |
854 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) | |
855 | { | |
856 | Lisp_Object elt, prop, val; | |
857 | ||
858 | elt = Fcar (tail); | |
859 | prop = Fcar (elt); | |
860 | val = Fcdr (elt); | |
861 | CHECK_SYMBOL (prop, 1); | |
862 | ||
863 | if (EQ (prop, intern ("foreground-color"))) | |
864 | { | |
865 | unsigned long new_color = load_color (f, val); | |
866 | if (new_color != ~0) | |
867 | { | |
868 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
869 | redraw = 1; | |
76ac1508 RS |
870 | if (termscript) |
871 | fprintf (termscript, "<FGCOLOR %d>\n", new_color); | |
f32d4091 KS |
872 | } |
873 | } | |
874 | else if (EQ (prop, intern ("background-color"))) | |
875 | { | |
876 | unsigned long new_color = load_color (f, val); | |
877 | if (new_color != ~0) | |
878 | { | |
76ac1508 | 879 | FRAME_BACKGROUND_PIXEL (f) = new_color; |
f32d4091 | 880 | redraw = 1; |
76ac1508 RS |
881 | if (termscript) |
882 | fprintf (termscript, "<BGCOLOR %d>\n", new_color); | |
f32d4091 KS |
883 | } |
884 | } | |
885 | else if (EQ (prop, intern ("menu-bar-lines"))) | |
3bb1f22f | 886 | x_set_menu_bar_lines (f, val, 0); |
f32d4091 KS |
887 | } |
888 | ||
889 | if (redraw) | |
890 | { | |
891 | recompute_basic_faces (f); | |
3bb1f22f RS |
892 | if (f == selected_frame) |
893 | redraw_frame (f); | |
f32d4091 KS |
894 | } |
895 | } | |
896 | ||
897 | #endif /* !HAVE_X_WINDOWS */ | |
898 | ||
899 | ||
48ffe371 RS |
900 | /* Do we need the internal terminal? */ |
901 | ||
f32d4091 KS |
902 | void |
903 | internal_terminal_init () | |
904 | { | |
905 | char *term = getenv ("TERM"); | |
906 | char *colors; | |
907 | ||
908 | #ifdef HAVE_X_WINDOWS | |
909 | if (!inhibit_window_system) | |
910 | return; | |
911 | #endif | |
912 | ||
913 | internal_terminal | |
914 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
915 | ||
916 | if (getenv ("EMACSTEST")) | |
5063b150 | 917 | termscript = fopen (getenv ("EMACSTEST"), "wt"); |
f32d4091 KS |
918 | |
919 | #ifndef HAVE_X_WINDOWS | |
920 | if (!internal_terminal || inhibit_window_system) | |
921 | { | |
3bb1f22f | 922 | selected_frame->output_method = output_termcap; |
f32d4091 KS |
923 | return; |
924 | } | |
925 | ||
926 | Vwindow_system = intern ("pc"); | |
927 | Vwindow_system_version = make_number (1); | |
928 | ||
929 | bzero (&the_only_x_display, sizeof the_only_x_display); | |
930 | the_only_x_display.background_pixel = 7; /* White */ | |
931 | the_only_x_display.foreground_pixel = 0; /* Black */ | |
76ac1508 | 932 | bright_bg (); |
5063b150 | 933 | colors = getenv ("EMACSCOLORS"); |
f32d4091 KS |
934 | if (colors && strlen (colors) >= 2) |
935 | { | |
76ac1508 RS |
936 | /* The colors use 4 bits each (we enable bright background). */ |
937 | if (isdigit (colors[0])) | |
938 | colors[0] -= '0'; | |
939 | else if (isxdigit (colors[0])) | |
940 | colors[0] -= (isupper (colors[0]) ? 'A' : 'a') - 10; | |
1bd7b2c7 RS |
941 | if (colors[0] >= 0 && colors[0] < 16) |
942 | the_only_x_display.foreground_pixel = colors[0]; | |
76ac1508 RS |
943 | if (isdigit (colors[1])) |
944 | colors[1] -= '0'; | |
945 | else if (isxdigit (colors[1])) | |
946 | colors[1] -= (isupper (colors[1]) ? 'A' : 'a') - 10; | |
947 | if (colors[1] >= 0 && colors[1] < 16) | |
1bd7b2c7 | 948 | the_only_x_display.background_pixel = colors[1]; |
f32d4091 KS |
949 | } |
950 | the_only_x_display.line_height = 1; | |
64ec6a02 | 951 | the_only_x_display.font = (XFontStruct *)1; /* must *not* be zero */ |
f32d4091 | 952 | |
3bb1f22f | 953 | init_frame_faces (selected_frame); |
f32d4091 KS |
954 | |
955 | ring_bell_hook = IT_ring_bell; | |
956 | write_glyphs_hook = IT_write_glyphs; | |
957 | cursor_to_hook = raw_cursor_to_hook = IT_cursor_to; | |
958 | clear_to_end_hook = IT_clear_to_end; | |
959 | clear_end_of_line_hook = IT_clear_end_of_line; | |
960 | clear_frame_hook = IT_clear_screen; | |
961 | change_line_highlight_hook = IT_change_line_highlight; | |
962 | update_begin_hook = IT_update_begin; | |
963 | update_end_hook = IT_update_end; | |
964 | reassert_line_highlight_hook = IT_reassert_line_highlight; | |
965 | ||
966 | /* These hooks are called by term.c without being checked. */ | |
967 | set_terminal_modes_hook = IT_set_terminal_modes; | |
968 | reset_terminal_modes_hook = IT_reset_terminal_modes; | |
969 | set_terminal_window_hook = IT_set_terminal_window; | |
970 | #endif | |
971 | } | |
972 | ||
973 | dos_get_saved_screen (screen, rows, cols) | |
974 | char **screen; | |
975 | int *rows; | |
976 | int *cols; | |
977 | { | |
978 | #ifndef HAVE_X_WINDOWS | |
979 | *screen = startup_screen_buffer; | |
980 | *cols = startup_screen_size_X; | |
981 | *rows = startup_screen_size_Y; | |
982 | return 1; | |
983 | #else | |
984 | return 0; | |
985 | #endif | |
986 | } | |
3bb1f22f RS |
987 | |
988 | #ifndef HAVE_X_WINDOWS | |
989 | ||
990 | /* We are not X, but we can emulate it well enough for our needs... */ | |
991 | void | |
992 | check_x (void) | |
993 | { | |
994 | if (! FRAME_MSDOS_P (selected_frame)) | |
995 | error ("Not running under a windows system"); | |
996 | } | |
997 | ||
998 | #endif | |
999 | ||
5063b150 | 1000 | \f |
f32d4091 KS |
1001 | /* ----------------------- Keyboard control ---------------------- |
1002 | * | |
1003 | * Keymaps reflect the following keyboard layout: | |
1004 | * | |
1005 | * 0 1 2 3 4 5 6 7 8 9 10 11 12 BS | |
1006 | * TAB 15 16 17 18 19 20 21 22 23 24 25 26 (41) | |
1007 | * CLOK 30 31 32 33 34 35 36 37 38 39 40 (41) RET | |
1008 | * SH () 45 46 47 48 49 50 51 52 53 54 SHIFT | |
1009 | * SPACE | |
1010 | */ | |
1011 | ||
1012 | static int extended_kbd; /* 101 (102) keyboard present. */ | |
1013 | ||
1014 | struct dos_keyboard_map | |
1015 | { | |
1016 | char *unshifted; | |
1017 | char *shifted; | |
1018 | char *alt_gr; | |
1019 | }; | |
1020 | ||
1021 | ||
1022 | static struct dos_keyboard_map us_keyboard = { | |
1023 | /* 0 1 2 3 4 5 */ | |
1024 | /* 01234567890123456789012345678901234567890 12345678901234 */ | |
1025 | "`1234567890-= qwertyuiop[] asdfghjkl;'\\ zxcvbnm,./ ", | |
1026 | /* 0123456789012345678901234567890123456789 012345678901234 */ | |
1027 | "~!@#$%^&*()_+ QWERTYUIOP{} ASDFGHJKL:\"| ZXCVBNM<>? ", | |
1028 | 0 /* no Alt-Gr key */ | |
1029 | }; | |
1030 | ||
1031 | static struct dos_keyboard_map fr_keyboard = { | |
1032 | /* 0 1 2 3 4 5 */ | |
1033 | /* 012 3456789012345678901234567890123456789012345678901234 */ | |
1034 |