Commit | Line | Data |
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9da6e765 | 1 | /* MS-DOS specific C utilities. |
1d28946c | 2 | Copyright (C) 1993, 1994, 1995 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> | |
35 | #include "dosfns.h" | |
36 | #include "msdos.h" | |
37 | #include "systime.h" | |
38 | #include "termhooks.h" | |
87485d6f MW |
39 | #include "dispextern.h" |
40 | #include "termopts.h" | |
1b94449f | 41 | #include "frame.h" |
87485d6f | 42 | #include "window.h" |
1b94449f RS |
43 | #include <go32.h> |
44 | #include <pc.h> | |
45 | #include <ctype.h> | |
46 | /* #include <process.h> */ | |
47 | /* Damn that local process.h! Instead we can define P_WAIT ourselves. */ | |
48 | #define P_WAIT 1 | |
49 | ||
aee81730 RS |
50 | |
51 | static unsigned long | |
52 | event_timestamp () | |
53 | { | |
54 | struct time t; | |
55 | unsigned long s; | |
f32d4091 | 56 | |
aee81730 RS |
57 | gettime (&t); |
58 | s = t.ti_min; | |
59 | s *= 60; | |
60 | s += t.ti_sec; | |
61 | s *= 1000; | |
62 | s += t.ti_hund * 10; | |
f32d4091 | 63 | |
aee81730 RS |
64 | return s; |
65 | } | |
66 | ||
f32d4091 KS |
67 | \f |
68 | /* ------------------------ Mouse control --------------------------- | |
69 | * | |
70 | * Coordinates are in screen positions and zero based. | |
71 | * Mouse buttons are numbered from left to right and also zero based. | |
72 | */ | |
1b94449f | 73 | |
f32d4091 KS |
74 | int have_mouse; /* 0: no, 1: enabled, -1: disabled */ |
75 | static int mouse_visible; | |
1b94449f | 76 | |
f32d4091 KS |
77 | static int mouse_last_x; |
78 | static int mouse_last_y; | |
1b94449f | 79 | |
f32d4091 KS |
80 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; |
81 | static int mouse_button_count; | |
1b94449f | 82 | |
f32d4091 KS |
83 | void |
84 | mouse_on () | |
1b94449f | 85 | { |
1b94449f | 86 | union REGS regs; |
1b94449f | 87 | |
f32d4091 | 88 | if (have_mouse > 0 && !mouse_visible) |
1b94449f | 89 | { |
f32d4091 KS |
90 | if (termscript) |
91 | fprintf (termscript, "<M_ON>"); | |
92 | regs.x.ax = 0x0001; | |
93 | int86 (0x33, ®s, ®s); | |
94 | mouse_visible = 1; | |
1b94449f | 95 | } |
1b94449f RS |
96 | } |
97 | ||
f32d4091 KS |
98 | void |
99 | mouse_off () | |
1b94449f | 100 | { |
f32d4091 | 101 | union REGS regs; |
1b94449f | 102 | |
f32d4091 | 103 | if (have_mouse > 0 && mouse_visible) |
1b94449f | 104 | { |
f32d4091 KS |
105 | if (termscript) |
106 | fprintf (termscript, "<M_OFF>"); | |
107 | regs.x.ax = 0x0002; | |
108 | int86 (0x33, ®s, ®s); | |
109 | mouse_visible = 0; | |
1b94449f | 110 | } |
1b94449f RS |
111 | } |
112 | ||
f32d4091 KS |
113 | void |
114 | mouse_moveto (x, y) | |
115 | int x, y; | |
1b94449f | 116 | { |
f32d4091 | 117 | union REGS regs; |
1b94449f | 118 | |
f32d4091 KS |
119 | if (termscript) |
120 | fprintf (termscript, "<M_XY=%dx%d>", x, y); | |
121 | regs.x.ax = 0x0004; | |
122 | mouse_last_x = regs.x.cx = x * 8; | |
123 | mouse_last_y = regs.x.dx = y * 8; | |
124 | int86 (0x33, ®s, ®s); | |
1b94449f RS |
125 | } |
126 | ||
f32d4091 KS |
127 | static int |
128 | mouse_pressed (b, xp, yp) | |
129 | int b, *xp, *yp; | |
1b94449f | 130 | { |
f32d4091 | 131 | union REGS regs; |
1b94449f | 132 | |
f32d4091 KS |
133 | if (b >= mouse_button_count) |
134 | return 0; | |
135 | regs.x.ax = 0x0005; | |
136 | regs.x.bx = mouse_button_translate[b]; | |
137 | int86 (0x33, ®s, ®s); | |
138 | if (regs.x.bx) | |
139 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
140 | return (regs.x.bx != 0); | |
1b94449f RS |
141 | } |
142 | ||
f32d4091 KS |
143 | static int |
144 | mouse_released (b, xp, yp) | |
145 | int b, *xp, *yp; | |
1b94449f RS |
146 | { |
147 | union REGS regs; | |
148 | ||
f32d4091 KS |
149 | if (b >= mouse_button_count) |
150 | return 0; | |
151 | regs.x.ax = 0x0006; | |
152 | regs.x.bx = mouse_button_translate[b]; | |
153 | int86 (0x33, ®s, ®s); | |
154 | if (regs.x.bx) | |
155 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
156 | return (regs.x.bx != 0); | |
1b94449f RS |
157 | } |
158 | ||
f32d4091 KS |
159 | static void |
160 | mouse_get_xy (int *x, int *y) | |
1b94449f | 161 | { |
f32d4091 | 162 | union REGS regs; |
1b94449f | 163 | |
f32d4091 KS |
164 | regs.x.ax = 0x0003; |
165 | int86 (0x33, ®s, ®s); | |
166 | *x = regs.x.cx / 8; | |
167 | *y = regs.x.dx / 8; | |
1b94449f RS |
168 | } |
169 | ||
f32d4091 KS |
170 | void |
171 | mouse_get_pos (f, insist, bar_window, part, x, y, time) | |
172 | FRAME_PTR *f; | |
173 | int insist; | |
174 | Lisp_Object *bar_window, *x, *y; | |
175 | enum scroll_bar_part *part; | |
176 | unsigned long *time; | |
177 | { | |
178 | int ix, iy; | |
179 | union REGS regs; | |
180 | ||
181 | regs.x.ax = 0x0003; | |
182 | int86 (0x33, ®s, ®s); | |
183 | *f = selected_frame; | |
184 | *bar_window = Qnil; | |
185 | mouse_get_xy (&ix, &iy); | |
186 | selected_frame->mouse_moved = 0; | |
187 | *x = make_number (ix); | |
188 | *y = make_number (iy); | |
189 | *time = event_timestamp (); | |
190 | } | |
1b94449f | 191 | |
f32d4091 KS |
192 | static void |
193 | mouse_check_moved () | |
1b94449f | 194 | { |
aee81730 | 195 | int x, y; |
1b94449f | 196 | |
f32d4091 KS |
197 | mouse_get_xy (&x, &y); |
198 | selected_frame->mouse_moved |= (x != mouse_last_x || y != mouse_last_y); | |
199 | mouse_last_x = x; | |
200 | mouse_last_y = y; | |
201 | } | |
1b94449f | 202 | |
f32d4091 KS |
203 | void |
204 | mouse_init () | |
205 | { | |
206 | union REGS regs; | |
647c32eb | 207 | |
f32d4091 KS |
208 | if (termscript) |
209 | fprintf (termscript, "<M_INIT>"); | |
1b94449f | 210 | |
f32d4091 KS |
211 | regs.x.ax = 0x0021; |
212 | int86 (0x33, ®s, ®s); | |
091d0bdf | 213 | |
f32d4091 KS |
214 | regs.x.ax = 0x0007; |
215 | regs.x.cx = 0; | |
216 | regs.x.dx = 8 * (ScreenCols () - 1); | |
217 | int86 (0x33, ®s, ®s); | |
1b94449f | 218 | |
f32d4091 KS |
219 | regs.x.ax = 0x0008; |
220 | regs.x.cx = 0; | |
221 | regs.x.dx = 8 * (ScreenRows () - 1); | |
222 | int86 (0x33, ®s, ®s); | |
1b94449f | 223 | |
f32d4091 KS |
224 | mouse_moveto (0, 0); |
225 | mouse_visible = 0; | |
226 | } | |
3eb1dbb6 | 227 | \f |
f32d4091 KS |
228 | /* ------------------------- Screen control ---------------------- |
229 | * | |
230 | */ | |
aee81730 | 231 | |
f32d4091 | 232 | static int internal_terminal = 0; |
aee81730 | 233 | |
f32d4091 KS |
234 | #ifndef HAVE_X_WINDOWS |
235 | extern unsigned char ScreenAttrib; | |
236 | static int screen_face; | |
237 | static int highlight; | |
aee81730 | 238 | |
f32d4091 KS |
239 | static int screen_size_X; |
240 | static int screen_size_Y; | |
241 | static int screen_size; | |
1b94449f | 242 | |
f32d4091 KS |
243 | static int current_pos_X; |
244 | static int current_pos_Y; | |
245 | static int new_pos_X; | |
246 | static int new_pos_Y; | |
1b94449f | 247 | |
f32d4091 KS |
248 | static void *startup_screen_buffer; |
249 | static int startup_screen_size_X; | |
250 | static int startup_screen_size_Y; | |
251 | static int startup_pos_X; | |
252 | static int startup_pos_Y; | |
c9adab25 | 253 | static unsigned char startup_screen_attrib; |
1b94449f | 254 | |
f32d4091 | 255 | static int term_setup_done; |
1b94449f | 256 | |
f32d4091 | 257 | /* Similar to the_only_frame. */ |
f6816f88 | 258 | struct x_output the_only_x_display; |
1b94449f | 259 | |
f32d4091 KS |
260 | /* This is never dereferenced. */ |
261 | Display *x_current_display; | |
1b94449f | 262 | |
1b94449f | 263 | |
f32d4091 KS |
264 | #define SCREEN_SET_CURSOR() \ |
265 | if (current_pos_X != new_pos_X || current_pos_Y != new_pos_Y) \ | |
266 | ScreenSetCursor (current_pos_Y = new_pos_Y, current_pos_X = new_pos_X) | |
aee81730 | 267 | |
f32d4091 KS |
268 | static |
269 | dos_direct_output (y, x, buf, len) | |
270 | int y; | |
271 | int x; | |
272 | char *buf; | |
273 | int len; | |
1b94449f | 274 | { |
f32d4091 | 275 | int t = (int) ScreenPrimary + 2 * (x + y * screen_size_X); |
aee81730 | 276 | |
f32d4091 KS |
277 | while (--len >= 0) { |
278 | dosmemput (buf++, 1, t); | |
279 | t += 2; | |
280 | } | |
1b94449f | 281 | } |
aee81730 | 282 | #endif |
1b94449f | 283 | |
1b94449f RS |
284 | /* Flash the screen as a substitute for BEEPs. */ |
285 | ||
f32d4091 | 286 | #if (__DJGPP__ < 2) |
49a09c76 | 287 | static void |
fcea9cd4 | 288 | do_visible_bell (xorattr) |
1b94449f RS |
289 | unsigned char xorattr; |
290 | { | |
49a09c76 | 291 | asm volatile |
ca986694 | 292 | (" movb $1,%%dl |
1b94449f | 293 | visible_bell_0: |
ca986694 | 294 | movl _ScreenPrimary,%%eax |
49a09c76 | 295 | call dosmemsetup |
ca986694 RS |
296 | movl %%eax,%%ebx |
297 | movl %1,%%ecx | |
298 | movb %0,%%al | |
299 | incl %%ebx | |
1b94449f | 300 | visible_bell_1: |
ca986694 RS |
301 | xorb %%al,%%gs:(%%ebx) |
302 | addl $2,%%ebx | |
303 | decl %%ecx | |
49a09c76 | 304 | jne visible_bell_1 |
ca986694 | 305 | decb %%dl |
49a09c76 | 306 | jne visible_bell_3 |
1b94449f | 307 | visible_bell_2: |
ca986694 RS |
308 | movzwl %%ax,%%eax |
309 | movzwl %%ax,%%eax | |
310 | movzwl %%ax,%%eax | |
311 | movzwl %%ax,%%eax | |
312 | decw %%cx | |
49a09c76 RS |
313 | jne visible_bell_2 |
314 | jmp visible_bell_0 | |
ca986694 RS |
315 | visible_bell_3:" |
316 | : /* no output */ | |
f32d4091 | 317 | : "m" (xorattr), "g" (screen_size) |
ca986694 | 318 | : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx"); |
1b94449f RS |
319 | } |
320 | ||
f32d4091 KS |
321 | static void |
322 | ScreenVisualBell (void) | |
323 | { | |
324 | /* This creates an xor-mask that will swap the default fore- and | |
325 | background colors. */ | |
326 | do_visible_bell (((the_only_x_display.foreground_pixel | |
327 | ^ the_only_x_display.background_pixel) | |
328 | * 0x11) & 0x7f); | |
329 | } | |
330 | #endif | |
331 | ||
332 | #ifndef HAVE_X_WINDOWS | |
333 | ||
334 | /* | |
335 | * If we write a character in the position where the mouse is, | |
336 | * the mouse cursor may need to be refreshed. | |
337 | */ | |
09e2ac30 RS |
338 | |
339 | static void | |
f32d4091 | 340 | mouse_off_maybe () |
09e2ac30 | 341 | { |
f32d4091 KS |
342 | int x, y; |
343 | ||
344 | if (!mouse_visible) | |
345 | return; | |
346 | ||
347 | mouse_get_xy (&x, &y); | |
348 | if (y != new_pos_Y || x < new_pos_X) | |
349 | return; | |
350 | ||
351 | mouse_off (); | |
352 | } | |
353 | ||
354 | static | |
355 | IT_ring_bell () | |
356 | { | |
357 | if (visible_bell) | |
aee81730 | 358 | { |
f32d4091 KS |
359 | mouse_off (); |
360 | ScreenVisualBell (); | |
aee81730 | 361 | } |
f32d4091 | 362 | else |
3635be47 RS |
363 | { |
364 | union REGS inregs, outregs; | |
365 | inregs.h.ah = 2; | |
366 | inregs.h.dl = 7; | |
367 | intdos (&inregs, &outregs); | |
368 | } | |
09e2ac30 RS |
369 | } |
370 | ||
f32d4091 KS |
371 | static void |
372 | IT_set_face (int face) | |
373 | { | |
374 | struct face *fp; | |
375 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); | |
376 | ||
377 | if (face == 1 || (face == 0 && highlight)) | |
378 | fp = FRAME_MODE_LINE_FACE (foo); | |
379 | else if (face <= 0 || face >= FRAME_N_COMPUTED_FACES (foo)) | |
380 | fp = FRAME_DEFAULT_FACE (foo); | |
381 | else | |
382 | fp = intern_face (selected_frame, FRAME_COMPUTED_FACES (foo)[face]); | |
383 | if (termscript) | |
384 | fprintf (termscript, "<FACE:%d:%d>", FACE_FOREGROUND (fp), FACE_BACKGROUND (fp)); | |
385 | screen_face = face; | |
386 | ScreenAttrib = (FACE_BACKGROUND (fp) << 4) | FACE_FOREGROUND (fp); | |
387 | } | |
388 | ||
389 | static | |
390 | IT_write_glyphs (GLYPH *str, int len) | |
391 | { | |
392 | int newface; | |
393 | int ch, l = len; | |
394 | unsigned char *buf, *bp; | |
87485d6f | 395 | |
f32d4091 | 396 | if (len == 0) return; |
aee81730 | 397 | |
f32d4091 | 398 | buf = bp = alloca (len * 2); |
aee81730 | 399 | |
f32d4091 | 400 | while (--l >= 0) |
aee81730 | 401 | { |
f32d4091 KS |
402 | newface = FAST_GLYPH_FACE (*str); |
403 | if (newface != screen_face) | |
404 | IT_set_face (newface); | |
405 | ch = FAST_GLYPH_CHAR (*str); | |
406 | *bp++ = (unsigned char)ch; | |
407 | *bp++ = ScreenAttrib; | |
408 | ||
409 | if (termscript) | |
410 | fputc (ch, termscript); | |
411 | str++; | |
aee81730 RS |
412 | } |
413 | ||
f32d4091 KS |
414 | mouse_off_maybe (); |
415 | dosmemput (buf, 2 * len, | |
416 | (int)ScreenPrimary + 2 * (new_pos_X + screen_size_X * new_pos_Y)); | |
417 | new_pos_X += len; | |
418 | } | |
aee81730 | 419 | |
f32d4091 KS |
420 | static |
421 | IT_clear_end_of_line (first_unused) | |
422 | { | |
423 | char *spaces, *sp; | |
424 | int i, j; | |
425 | ||
426 | IT_set_face (0); | |
427 | if (termscript) | |
428 | fprintf (termscript, "<CLR:EOL>"); | |
429 | i = (j = screen_size_X - new_pos_X) * 2; | |
430 | spaces = sp = alloca (i); | |
aee81730 | 431 | |
f32d4091 | 432 | while (--j >= 0) |
aee81730 | 433 | { |
f32d4091 KS |
434 | *sp++ = ' '; |
435 | *sp++ = ScreenAttrib; | |
aee81730 RS |
436 | } |
437 | ||
f32d4091 KS |
438 | mouse_off_maybe (); |
439 | dosmemput (spaces, i, | |
440 | (int)ScreenPrimary + 2 * (new_pos_X + screen_size_X * new_pos_Y)); | |
aee81730 RS |
441 | } |
442 | ||
f32d4091 KS |
443 | static |
444 | IT_clear_screen (void) | |
445 | { | |
446 | if (termscript) | |
447 | fprintf (termscript, "<CLR:SCR>"); | |
448 | IT_set_face (0); | |
449 | mouse_off (); | |
450 | ScreenClear (); | |
451 | new_pos_X = new_pos_Y = 0; | |
452 | } | |
453 | ||
454 | static | |
455 | IT_clear_to_end (void) | |
456 | { | |
457 | if (termscript) | |
458 | fprintf (termscript, "<CLR:EOS>"); | |
459 | ||
460 | while (new_pos_Y < screen_size_Y) { | |
461 | new_pos_X = 0; | |
462 | IT_clear_end_of_line (0); | |
463 | new_pos_Y++; | |
464 | } | |
465 | } | |
466 | ||
467 | static | |
468 | IT_cursor_to (int y, int x) | |
469 | { | |
470 | if (termscript) | |
471 | fprintf (termscript, "\n<XY=%dx%d>", x, y); | |
472 | new_pos_X = x; | |
473 | new_pos_Y = y; | |
474 | } | |
475 | ||
476 | static | |
477 | IT_reassert_line_highlight (new, vpos) | |
478 | int new, vpos; | |
479 | { | |
480 | highlight = new; | |
481 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
482 | } | |
483 | ||
484 | static | |
485 | IT_change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
1b94449f | 486 | { |
f32d4091 KS |
487 | highlight = new_highlight; |
488 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
489 | IT_cursor_to (vpos, 0); | |
490 | IT_clear_end_of_line (first_unused_hpos); | |
491 | } | |
492 | ||
493 | static | |
494 | IT_update_begin () | |
495 | { | |
496 | highlight = 0; | |
497 | IT_set_face (0); /* To possibly clear the highlighting. */ | |
498 | screen_face = -1; | |
499 | } | |
500 | ||
501 | static | |
502 | IT_update_end () | |
503 | { | |
504 | } | |
1b94449f | 505 | |
f32d4091 KS |
506 | /* This was more or less copied from xterm.c */ |
507 | static void | |
508 | IT_set_menu_bar_lines (window, n) | |
509 | Lisp_Object window; | |
510 | int n; | |
511 | { | |
512 | struct window *w = XWINDOW (window); | |
513 | ||
9a166e40 | 514 | XSETFASTINT (w->last_modified, 0); |
f32d4091 KS |
515 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
516 | XSETFASTINT (w->height, XFASTINT (w->height) - n); | |
517 | ||
518 | /* Handle just the top child in a vertical split. */ | |
519 | if (!NILP (w->vchild)) | |
520 | IT_set_menu_bar_lines (w->vchild, n); | |
521 | ||
522 | /* Adjust all children in a horizontal split. */ | |
523 | for (window = w->hchild; !NILP (window); window = w->next) | |
1b94449f | 524 | { |
f32d4091 KS |
525 | w = XWINDOW (window); |
526 | IT_set_menu_bar_lines (window, n); | |
aee81730 | 527 | } |
f32d4091 KS |
528 | } |
529 | ||
530 | /* | |
531 | * IT_set_terminal_modes is called when emacs is started, | |
532 | * resumed, and whenever the screen is redrawn! | |
533 | */ | |
534 | ||
535 | static | |
536 | IT_set_terminal_modes (void) | |
537 | { | |
538 | char *colors; | |
539 | FRAME_PTR f; | |
540 | struct face *fp; | |
aee81730 | 541 | |
aee81730 | 542 | if (termscript) |
f32d4091 KS |
543 | fprintf (termscript, "\n<SET_TERM>"); |
544 | highlight = 0; | |
545 | ||
546 | screen_size_X = ScreenCols (); | |
547 | screen_size_Y = ScreenRows (); | |
548 | screen_size = screen_size_X * screen_size_Y; | |
aee81730 | 549 | |
f32d4091 KS |
550 | new_pos_X = new_pos_Y = 0; |
551 | current_pos_X = current_pos_Y = -1; | |
552 | ||
553 | if (term_setup_done) | |
554 | return; | |
555 | term_setup_done = 1; | |
aee81730 | 556 | |
f32d4091 KS |
557 | startup_screen_size_X = screen_size_X; |
558 | startup_screen_size_Y = screen_size_Y; | |
c9adab25 | 559 | startup_screen_attrib = ScreenAttrib; |
f32d4091 KS |
560 | |
561 | ScreenGetCursor (&startup_pos_Y, &startup_pos_X); | |
562 | ScreenRetrieve (startup_screen_buffer = xmalloc (screen_size * 2)); | |
563 | ||
564 | if (termscript) | |
c9adab25 KH |
565 | fprintf (termscript, "<SCREEN SAVED (dimensions=%dx%d)>\n", |
566 | screen_size_X, screen_size_Y); | |
f32d4091 KS |
567 | } |
568 | ||
569 | /* | |
570 | * IT_reset_terminal_modes is called when emacs is | |
571 | * suspended or killed. | |
572 | */ | |
573 | ||
574 | static | |
575 | IT_reset_terminal_modes (void) | |
576 | { | |
c9adab25 KH |
577 | int display_row_start = (int) ScreenPrimary; |
578 | int saved_row_len = startup_screen_size_X * 2; | |
579 | int update_row_len = ScreenCols () * 2; | |
580 | int current_rows = ScreenRows (); | |
581 | int to_next_row = update_row_len; | |
582 | unsigned char *saved_row = startup_screen_buffer; | |
583 | int cursor_pos_X = ScreenCols () - 1; | |
584 | int cursor_pos_Y = ScreenRows () - 1; | |
585 | ||
f32d4091 | 586 | if (termscript) |
5063b150 | 587 | fprintf (termscript, "\n<RESET_TERM>"); |
f32d4091 KS |
588 | |
589 | highlight = 0; | |
590 | ||
591 | if (!term_setup_done) | |
592 | return; | |
593 | ||
c9adab25 KH |
594 | mouse_off (); |
595 | ||
596 | /* We have a situation here. | |
597 | We cannot just do ScreenUpdate(startup_screen_buffer) because | |
598 | the luser could have changed screen dimensions inside Emacs | |
599 | and failed (or didn't want) to restore them before killing | |
600 | Emacs. ScreenUpdate() uses the *current* screen dimensions and | |
601 | thus will happily use memory outside what was allocated for | |
602 | `startup_screen_buffer'. | |
603 | Thus we only restore as much as the current screen dimensions | |
604 | can hold, and clear the rest (if the saved screen is smaller than | |
605 | the current) with the color attribute saved at startup. The cursor | |
606 | is also restored within the visible dimensions. */ | |
607 | ||
608 | ScreenAttrib = startup_screen_attrib; | |
609 | ScreenClear (); | |
610 | ||
611 | if (update_row_len > saved_row_len) | |
612 | update_row_len = saved_row_len; | |
613 | if (current_rows > startup_screen_size_Y) | |
614 | current_rows = startup_screen_size_Y; | |
f32d4091 KS |
615 | |
616 | if (termscript) | |
c9adab25 KH |
617 | fprintf (termscript, "<SCREEN RESTORED (dimensions=%dx%d)>\n", |
618 | update_row_len / 2, current_rows); | |
619 | ||
620 | while (current_rows--) | |
621 | { | |
622 | dosmemput (saved_row, update_row_len, display_row_start); | |
623 | saved_row += saved_row_len; | |
624 | display_row_start += to_next_row; | |
625 | } | |
626 | if (startup_pos_X < cursor_pos_X) | |
627 | cursor_pos_X = startup_pos_X; | |
628 | if (startup_pos_Y < cursor_pos_Y) | |
629 | cursor_pos_Y = startup_pos_Y; | |
630 | ||
631 | ScreenSetCursor (cursor_pos_Y, cursor_pos_X); | |
632 | xfree (startup_screen_buffer); | |
f32d4091 KS |
633 | |
634 | term_setup_done = 0; | |
635 | } | |
636 | ||
637 | static | |
638 | IT_set_terminal_window (void) | |
639 | { | |
640 | } | |
641 | ||
642 | void | |
643 | IT_set_frame_parameters (frame, alist) | |
644 | FRAME_PTR frame; | |
645 | Lisp_Object alist; | |
646 | { | |
647 | Lisp_Object tail; | |
648 | int redraw; | |
649 | extern unsigned long load_color (); | |
650 | FRAME_PTR f = (FRAME_PTR) &the_only_frame; | |
651 | ||
652 | redraw = 0; | |
653 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) | |
654 | { | |
655 | Lisp_Object elt, prop, val; | |
656 | ||
657 | elt = Fcar (tail); | |
658 | prop = Fcar (elt); | |
659 | val = Fcdr (elt); | |
660 | CHECK_SYMBOL (prop, 1); | |
661 | ||
662 | if (EQ (prop, intern ("foreground-color"))) | |
663 | { | |
664 | unsigned long new_color = load_color (f, val); | |
665 | if (new_color != ~0) | |
666 | { | |
667 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
668 | redraw = 1; | |
669 | } | |
670 | } | |
671 | else if (EQ (prop, intern ("background-color"))) | |
672 | { | |
673 | unsigned long new_color = load_color (f, val); | |
674 | if (new_color != ~0) | |
675 | { | |
676 | FRAME_BACKGROUND_PIXEL (f) = new_color & ~8; | |
677 | redraw = 1; | |
678 | } | |
679 | } | |
680 | else if (EQ (prop, intern ("menu-bar-lines"))) | |
681 | { | |
682 | int new; | |
683 | int old = FRAME_MENU_BAR_LINES (the_only_frame); | |
684 | ||
685 | if (INTEGERP (val)) | |
686 | new = XINT (val); | |
687 | else | |
688 | new = 0; | |
689 | FRAME_MENU_BAR_LINES (f) = new; | |
690 | IT_set_menu_bar_lines (the_only_frame.root_window, new - old); | |
691 | } | |
692 | } | |
693 | ||
694 | if (redraw) | |
695 | { | |
696 | recompute_basic_faces (f); | |
697 | Fredraw_frame (Fselected_frame ()); | |
698 | } | |
699 | } | |
700 | ||
701 | #endif /* !HAVE_X_WINDOWS */ | |
702 | ||
703 | ||
704 | /* Do we need the internal terminal? */ | |
705 | void | |
706 | internal_terminal_init () | |
707 | { | |
708 | char *term = getenv ("TERM"); | |
709 | char *colors; | |
710 | ||
711 | #ifdef HAVE_X_WINDOWS | |
712 | if (!inhibit_window_system) | |
713 | return; | |
714 | #endif | |
715 | ||
716 | internal_terminal | |
717 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
718 | ||
719 | if (getenv ("EMACSTEST")) | |
5063b150 | 720 | termscript = fopen (getenv ("EMACSTEST"), "wt"); |
f32d4091 KS |
721 | |
722 | #ifndef HAVE_X_WINDOWS | |
723 | if (!internal_terminal || inhibit_window_system) | |
724 | { | |
725 | the_only_frame.output_method = output_termcap; | |
726 | return; | |
727 | } | |
728 | ||
729 | Vwindow_system = intern ("pc"); | |
730 | Vwindow_system_version = make_number (1); | |
731 | ||
732 | bzero (&the_only_x_display, sizeof the_only_x_display); | |
733 | the_only_x_display.background_pixel = 7; /* White */ | |
734 | the_only_x_display.foreground_pixel = 0; /* Black */ | |
5063b150 | 735 | colors = getenv ("EMACSCOLORS"); |
f32d4091 KS |
736 | if (colors && strlen (colors) >= 2) |
737 | { | |
738 | the_only_x_display.foreground_pixel = colors[0] & 0x07; | |
739 | the_only_x_display.background_pixel = colors[1] & 0x07; | |
740 | } | |
741 | the_only_x_display.line_height = 1; | |
f6816f88 | 742 | the_only_frame.output_data.x = &the_only_x_display; |
f32d4091 | 743 | the_only_frame.output_method = output_msdos_raw; |
64ec6a02 | 744 | the_only_x_display.font = (XFontStruct *)1; /* must *not* be zero */ |
f32d4091 KS |
745 | |
746 | init_frame_faces ((FRAME_PTR) &the_only_frame); | |
747 | ||
748 | ring_bell_hook = IT_ring_bell; | |
749 | write_glyphs_hook = IT_write_glyphs; | |
750 | cursor_to_hook = raw_cursor_to_hook = IT_cursor_to; | |
751 | clear_to_end_hook = IT_clear_to_end; | |
752 | clear_end_of_line_hook = IT_clear_end_of_line; | |
753 | clear_frame_hook = IT_clear_screen; | |
754 | change_line_highlight_hook = IT_change_line_highlight; | |
755 | update_begin_hook = IT_update_begin; | |
756 | update_end_hook = IT_update_end; | |
757 | reassert_line_highlight_hook = IT_reassert_line_highlight; | |
758 | ||
759 | /* These hooks are called by term.c without being checked. */ | |
760 | set_terminal_modes_hook = IT_set_terminal_modes; | |
761 | reset_terminal_modes_hook = IT_reset_terminal_modes; | |
762 | set_terminal_window_hook = IT_set_terminal_window; | |
763 | #endif | |
764 | } | |
765 | ||
766 | dos_get_saved_screen (screen, rows, cols) | |
767 | char **screen; | |
768 | int *rows; | |
769 | int *cols; | |
770 | { | |
771 | #ifndef HAVE_X_WINDOWS | |
772 | *screen = startup_screen_buffer; | |
773 | *cols = startup_screen_size_X; | |
774 | *rows = startup_screen_size_Y; | |
775 | return 1; | |
776 | #else | |
777 | return 0; | |
778 | #endif | |
779 | } | |
5063b150 | 780 | \f |
f32d4091 KS |
781 | /* ----------------------- Keyboard control ---------------------- |
782 | * | |
783 | * Keymaps reflect the following keyboard layout: | |
784 | * | |
785 | * 0 1 2 3 4 5 6 7 8 9 10 11 12 BS | |
786 | * TAB 15 16 17 18 19 20 21 22 23 24 25 26 (41) | |
787 | * CLOK 30 31 32 33 34 35 36 37 38 39 40 (41) RET | |
788 | * SH () 45 46 47 48 49 50 51 52 53 54 SHIFT | |
789 | * SPACE | |
790 | */ | |
791 | ||
792 | static int extended_kbd; /* 101 (102) keyboard present. */ | |
793 | ||
794 | struct dos_keyboard_map | |
795 | { | |
796 | char *unshifted; | |
797 | char *shifted; | |
798 | char *alt_gr; | |
799 | }; | |
800 | ||
801 | ||
802 | static struct dos_keyboard_map us_keyboard = { | |
803 | /* 0 1 2 3 4 5 */ | |
804 | /* 01234567890123456789012345678901234567890 12345678901234 */ | |
805 | "`1234567890-= qwertyuiop[] asdfghjkl;'\\ zxcvbnm,./ ", | |
806 | /* 0123456789012345678901234567890123456789 012345678901234 */ | |
807 | "~!@#$%^&*()_+ QWERTYUIOP{} ASDFGHJKL:\"| ZXCVBNM<>? ", | |
808 | 0 /* no Alt-Gr key */ | |
809 | }; | |
810 | ||
811 | static struct dos_keyboard_map fr_keyboard = { | |
812 | /* 0 1 2 3 4 5 */ | |
813 | /* 012 3456789012345678901234567890123456789012345678901234 */ | |
814 |