Commit | Line | Data |
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d26e478e | 1 | /* MS-DOS specific C utilities. -*- coding: cp850 -*- |
95df8112 | 2 | |
ba318903 | 3 | Copyright (C) 1993-1997, 1999-2014 Free Software Foundation, Inc. |
1b94449f RS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
1b94449f | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
1b94449f RS |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
1b94449f | 19 | |
9da6e765 | 20 | /* Contributed by Morten Welinder */ |
f32d4091 | 21 | /* New display, keyboard, and mouse control by Kim F. Storm */ |
9da6e765 | 22 | |
d26e478e EZ |
23 | /* Note: This file MUST use a unibyte encoding, to both display the |
24 | keys on the non-US keyboard layout as their respective labels, and | |
25 | provide the correct byte values for the keyboard input to inject | |
26 | into Emacs. See 'struct dos_keyboard_map' below. As long as there | |
27 | are only European keyboard layouts here, we are OK with DOS | |
28 | codepage 850 encoding. */ | |
29 | ||
1b94449f RS |
30 | /* Note: some of the stuff here was taken from end of sysdep.c in demacs. */ |
31 | ||
48984716 | 32 | #include <config.h> |
1b94449f RS |
33 | |
34 | #ifdef MSDOS | |
d7306fe6 | 35 | #include <setjmp.h> |
1b94449f RS |
36 | #include "lisp.h" |
37 | #include <stdio.h> | |
06b1ea13 | 38 | #include <time.h> |
1b94449f RS |
39 | #include <sys/param.h> |
40 | #include <sys/time.h> | |
e3ac1281 | 41 | /* gettime and settime in dos.h clash with their namesakes from |
0d23c240 EZ |
42 | gnulib, so we move out of our way the prototypes in dos.h. */ |
43 | #define gettime dos_h_gettime_ | |
44 | #define settime dos_h_settime_ | |
1b94449f | 45 | #include <dos.h> |
0d23c240 EZ |
46 | #undef gettime |
47 | #undef settime | |
d21e67b5 RS |
48 | #include <errno.h> |
49 | #include <sys/stat.h> /* for _fixpath */ | |
a7cf9151 | 50 | #include <unistd.h> /* for chdir, dup, dup2, etc. */ |
bf794306 | 51 | #include <dir.h> /* for getdisk */ |
affa509c | 52 | #pragma pack(0) /* dir.h does a pack(4), which isn't GCC's default */ |
bf6b4923 EZ |
53 | #undef opendir |
54 | #include <dirent.h> /* for opendir */ | |
1bd7b2c7 | 55 | #include <fcntl.h> |
a7cf9151 | 56 | #include <io.h> /* for setmode */ |
fc171623 KH |
57 | #include <dpmi.h> /* for __dpmi_xxx stuff */ |
58 | #include <sys/farptr.h> /* for _farsetsel, _farnspokeb */ | |
d21e67b5 | 59 | #include <libc/dosio.h> /* for _USE_LFN */ |
a7cf9151 | 60 | #include <conio.h> /* for cputs */ |
1bd7b2c7 | 61 | |
1b94449f RS |
62 | #include "msdos.h" |
63 | #include "systime.h" | |
3e1944a3 | 64 | #include "frame.h" |
1b94449f | 65 | #include "termhooks.h" |
aa9ce936 | 66 | #include "termchar.h" |
87485d6f | 67 | #include "dispextern.h" |
c77f6f1b | 68 | #include "dosfns.h" |
87485d6f | 69 | #include "termopts.h" |
83be827a | 70 | #include "character.h" |
aa9ce936 EZ |
71 | #include "coding.h" |
72 | #include "disptab.h" | |
87485d6f | 73 | #include "window.h" |
fc171623 KH |
74 | #include "buffer.h" |
75 | #include "commands.h" | |
41ad069b | 76 | #include "blockinput.h" |
97dd288b | 77 | #include "keyboard.h" |
6b61353c | 78 | #include "intervals.h" |
1b94449f RS |
79 | #include <go32.h> |
80 | #include <pc.h> | |
81 | #include <ctype.h> | |
82 | /* #include <process.h> */ | |
891ef8f7 EZ |
83 | /* Damn that local process.h! Instead we can define P_WAIT and |
84 | spawnve ourselves. */ | |
1b94449f | 85 | #define P_WAIT 1 |
891ef8f7 | 86 | extern int spawnve (int, const char *, char *const [], char *const []); |
1b94449f | 87 | |
d21e67b5 RS |
88 | #ifndef _USE_LFN |
89 | #define _USE_LFN 0 | |
90 | #endif | |
91 | ||
b36701cc RS |
92 | #ifndef _dos_ds |
93 | #define _dos_ds _go32_info_block.selector_for_linear_memory | |
94 | #endif | |
95 | ||
8748735b | 96 | #include <signal.h> |
417a04bb | 97 | #include "syssignal.h" |
8748735b | 98 | |
7c106b1e EZ |
99 | #include "careadlinkat.h" |
100 | #include "allocator.h" | |
101 | ||
1bd7b2c7 RS |
102 | #ifndef SYSTEM_MALLOC |
103 | ||
104 | #ifdef GNU_MALLOC | |
105 | ||
106 | /* If other `malloc' than ours is used, force our `sbrk' behave like | |
107 | Unix programs expect (resize memory blocks to keep them contiguous). | |
108 | If `sbrk' from `ralloc.c' is NOT used, also zero-out sbrk'ed memory, | |
109 | because that's what `gmalloc' expects to get. */ | |
110 | #include <crt0.h> | |
111 | ||
112 | #ifdef REL_ALLOC | |
113 | int _crt0_startup_flags = _CRT0_FLAG_UNIX_SBRK; | |
114 | #else /* not REL_ALLOC */ | |
115 | int _crt0_startup_flags = (_CRT0_FLAG_UNIX_SBRK | _CRT0_FLAG_FILL_SBRK_MEMORY); | |
116 | #endif /* not REL_ALLOC */ | |
117 | #endif /* GNU_MALLOC */ | |
118 | ||
119 | #endif /* not SYSTEM_MALLOC */ | |
aee81730 | 120 | |
0d23c240 | 121 | /* Return the current timestamp in milliseconds since midnight. */ |
aee81730 | 122 | static unsigned long |
3a8ce822 | 123 | event_timestamp (void) |
aee81730 | 124 | { |
0d23c240 | 125 | struct timespec t; |
aee81730 | 126 | unsigned long s; |
56e19ec4 | 127 | |
aee81730 | 128 | gettime (&t); |
0d23c240 EZ |
129 | s = t.tv_sec; |
130 | s %= 86400; | |
aee81730 | 131 | s *= 1000; |
0d23c240 | 132 | s += t.tv_nsec * 1000000; |
56e19ec4 | 133 | |
aee81730 RS |
134 | return s; |
135 | } | |
136 | ||
f32d4091 KS |
137 | \f |
138 | /* ------------------------ Mouse control --------------------------- | |
139 | * | |
140 | * Coordinates are in screen positions and zero based. | |
141 | * Mouse buttons are numbered from left to right and also zero based. | |
142 | */ | |
1b94449f | 143 | |
0c3cfc51 EZ |
144 | /* This used to be in termhooks.h, but mainstream Emacs code no longer |
145 | uses it, and it was removed... */ | |
146 | #define NUM_MOUSE_BUTTONS (5) | |
147 | ||
f32d4091 KS |
148 | int have_mouse; /* 0: no, 1: enabled, -1: disabled */ |
149 | static int mouse_visible; | |
1b94449f | 150 | |
f32d4091 KS |
151 | static int mouse_last_x; |
152 | static int mouse_last_y; | |
1b94449f | 153 | |
f32d4091 KS |
154 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; |
155 | static int mouse_button_count; | |
1b94449f | 156 | |
f32d4091 | 157 | void |
3a8ce822 | 158 | mouse_on (void) |
1b94449f | 159 | { |
1b94449f | 160 | union REGS regs; |
1b94449f | 161 | |
f32d4091 | 162 | if (have_mouse > 0 && !mouse_visible) |
1b94449f | 163 | { |
3e1944a3 EZ |
164 | struct tty_display_info *tty = CURTTY (); |
165 | ||
166 | if (tty->termscript) | |
167 | fprintf (tty->termscript, "<M_ON>"); | |
f32d4091 KS |
168 | regs.x.ax = 0x0001; |
169 | int86 (0x33, ®s, ®s); | |
170 | mouse_visible = 1; | |
1b94449f | 171 | } |
1b94449f RS |
172 | } |
173 | ||
f32d4091 | 174 | void |
3a8ce822 | 175 | mouse_off (void) |
1b94449f | 176 | { |
f32d4091 | 177 | union REGS regs; |
1b94449f | 178 | |
f32d4091 | 179 | if (have_mouse > 0 && mouse_visible) |
1b94449f | 180 | { |
3e1944a3 EZ |
181 | struct tty_display_info *tty = CURTTY (); |
182 | ||
183 | if (tty->termscript) | |
184 | fprintf (tty->termscript, "<M_OFF>"); | |
f32d4091 KS |
185 | regs.x.ax = 0x0002; |
186 | int86 (0x33, ®s, ®s); | |
187 | mouse_visible = 0; | |
1b94449f | 188 | } |
1b94449f RS |
189 | } |
190 | ||
8f190436 EZ |
191 | static void |
192 | mouse_setup_buttons (int n_buttons) | |
193 | { | |
194 | if (n_buttons == 3) | |
195 | { | |
196 | mouse_button_count = 3; | |
197 | mouse_button_translate[0] = 0; /* Left */ | |
198 | mouse_button_translate[1] = 2; /* Middle */ | |
199 | mouse_button_translate[2] = 1; /* Right */ | |
200 | } | |
201 | else /* two, what else? */ | |
202 | { | |
203 | mouse_button_count = 2; | |
204 | mouse_button_translate[0] = 0; | |
205 | mouse_button_translate[1] = 1; | |
206 | } | |
207 | } | |
208 | ||
209 | DEFUN ("msdos-set-mouse-buttons", Fmsdos_set_mouse_buttons, Smsdos_set_mouse_buttons, | |
210 | 1, 1, "NSet number of mouse buttons to: ", | |
70da46c3 PJ |
211 | doc: /* Set the number of mouse buttons to use by Emacs. |
212 | This is useful with mice that report the number of buttons inconsistently, | |
213 | e.g., if the number of buttons is reported as 3, but Emacs only sees 2 of | |
214 | them. This happens with wheeled mice on Windows 9X, for example. */) | |
5842a27b | 215 | (Lisp_Object nbuttons) |
8f190436 | 216 | { |
e7522695 EZ |
217 | int n; |
218 | ||
b7826503 | 219 | CHECK_NUMBER (nbuttons); |
e7522695 EZ |
220 | n = XINT (nbuttons); |
221 | if (n < 2 || n > 3) | |
ebe061ca KS |
222 | xsignal2 (Qargs_out_of_range, |
223 | build_string ("only 2 or 3 mouse buttons are supported"), | |
224 | nbuttons); | |
e7522695 | 225 | mouse_setup_buttons (n); |
8f190436 EZ |
226 | return Qnil; |
227 | } | |
228 | ||
211c7152 EZ |
229 | static void |
230 | mouse_get_xy (int *x, int *y) | |
231 | { | |
232 | union REGS regs; | |
233 | ||
234 | regs.x.ax = 0x0003; | |
235 | int86 (0x33, ®s, ®s); | |
236 | *x = regs.x.cx / 8; | |
237 | *y = regs.x.dx / 8; | |
238 | } | |
239 | ||
f32d4091 | 240 | void |
3a8ce822 | 241 | mouse_moveto (int x, int y) |
1b94449f | 242 | { |
f32d4091 | 243 | union REGS regs; |
3e1944a3 | 244 | struct tty_display_info *tty = CURTTY (); |
1b94449f | 245 | |
3e1944a3 EZ |
246 | if (tty->termscript) |
247 | fprintf (tty->termscript, "<M_XY=%dx%d>", x, y); | |
f32d4091 KS |
248 | regs.x.ax = 0x0004; |
249 | mouse_last_x = regs.x.cx = x * 8; | |
250 | mouse_last_y = regs.x.dx = y * 8; | |
251 | int86 (0x33, ®s, ®s); | |
1b94449f RS |
252 | } |
253 | ||
f32d4091 | 254 | static int |
3a8ce822 | 255 | mouse_pressed (int b, int *xp, int *yp) |
1b94449f | 256 | { |
f32d4091 | 257 | union REGS regs; |
1b94449f | 258 | |
f32d4091 KS |
259 | if (b >= mouse_button_count) |
260 | return 0; | |
261 | regs.x.ax = 0x0005; | |
262 | regs.x.bx = mouse_button_translate[b]; | |
263 | int86 (0x33, ®s, ®s); | |
264 | if (regs.x.bx) | |
265 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
266 | return (regs.x.bx != 0); | |
1b94449f RS |
267 | } |
268 | ||
f32d4091 | 269 | static int |
3a8ce822 | 270 | mouse_released (int b, int *xp, int *yp) |
1b94449f RS |
271 | { |
272 | union REGS regs; | |
273 | ||
f32d4091 KS |
274 | if (b >= mouse_button_count) |
275 | return 0; | |
276 | regs.x.ax = 0x0006; | |
277 | regs.x.bx = mouse_button_translate[b]; | |
278 | int86 (0x33, ®s, ®s); | |
279 | if (regs.x.bx) | |
280 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
281 | return (regs.x.bx != 0); | |
1b94449f RS |
282 | } |
283 | ||
0c7bc1aa | 284 | static int |
3a8ce822 | 285 | mouse_button_depressed (int b, int *xp, int *yp) |
0c7bc1aa EZ |
286 | { |
287 | union REGS regs; | |
288 | ||
289 | if (b >= mouse_button_count) | |
290 | return 0; | |
291 | regs.x.ax = 0x0003; | |
292 | int86 (0x33, ®s, ®s); | |
293 | if ((regs.x.bx & (1 << mouse_button_translate[b])) != 0) | |
294 | { | |
295 | *xp = regs.x.cx / 8; | |
296 | *yp = regs.x.dx / 8; | |
297 | return 1; | |
298 | } | |
299 | return 0; | |
300 | } | |
301 | ||
f32d4091 | 302 | void |
a10c8269 | 303 | mouse_get_pos (struct frame **f, int insist, Lisp_Object *bar_window, |
3a8ce822 | 304 | enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y, |
9fbd6841 | 305 | Time *time) |
f32d4091 KS |
306 | { |
307 | int ix, iy; | |
211c7152 EZ |
308 | Lisp_Object frame, tail; |
309 | ||
310 | /* Clear the mouse-moved flag for every frame on this display. */ | |
311 | FOR_EACH_FRAME (tail, frame) | |
312 | XFRAME (frame)->mouse_moved = 0; | |
f32d4091 | 313 | |
5e617bc2 | 314 | *f = SELECTED_FRAME (); |
f32d4091 KS |
315 | *bar_window = Qnil; |
316 | mouse_get_xy (&ix, &iy); | |
f32d4091 | 317 | *time = event_timestamp (); |
211c7152 EZ |
318 | *x = make_number (mouse_last_x = ix); |
319 | *y = make_number (mouse_last_y = iy); | |
f32d4091 | 320 | } |
1b94449f | 321 | |
f32d4091 | 322 | static void |
3a8ce822 | 323 | mouse_check_moved (void) |
1b94449f | 324 | { |
aee81730 | 325 | int x, y; |
1b94449f | 326 | |
f32d4091 | 327 | mouse_get_xy (&x, &y); |
5e617bc2 | 328 | SELECTED_FRAME ()->mouse_moved |= (x != mouse_last_x || y != mouse_last_y); |
f32d4091 KS |
329 | mouse_last_x = x; |
330 | mouse_last_y = y; | |
331 | } | |
1b94449f | 332 | |
97dd288b EZ |
333 | /* Force the mouse driver to ``forget'' about any button clicks until |
334 | now. */ | |
335 | static void | |
336 | mouse_clear_clicks (void) | |
337 | { | |
338 | int b; | |
339 | ||
340 | for (b = 0; b < mouse_button_count; b++) | |
341 | { | |
342 | int dummy_x, dummy_y; | |
343 | ||
344 | (void) mouse_pressed (b, &dummy_x, &dummy_y); | |
345 | (void) mouse_released (b, &dummy_x, &dummy_y); | |
346 | } | |
347 | } | |
348 | ||
f32d4091 | 349 | void |
3a8ce822 | 350 | mouse_init (void) |
f32d4091 KS |
351 | { |
352 | union REGS regs; | |
3e1944a3 | 353 | struct tty_display_info *tty = CURTTY (); |
647c32eb | 354 | |
3e1944a3 EZ |
355 | if (tty->termscript) |
356 | fprintf (tty->termscript, "<M_INIT>"); | |
1b94449f | 357 | |
f32d4091 KS |
358 | regs.x.ax = 0x0021; |
359 | int86 (0x33, ®s, ®s); | |
091d0bdf | 360 | |
0c7bc1aa EZ |
361 | /* Reset the mouse last press/release info. It seems that Windows |
362 | doesn't do that automatically when function 21h is called, which | |
363 | causes Emacs to ``remember'' the click that switched focus to the | |
364 | window just before Emacs was started from that window. */ | |
97dd288b | 365 | mouse_clear_clicks (); |
0c7bc1aa | 366 | |
f32d4091 KS |
367 | regs.x.ax = 0x0007; |
368 | regs.x.cx = 0; | |
369 | regs.x.dx = 8 * (ScreenCols () - 1); | |
370 | int86 (0x33, ®s, ®s); | |
1b94449f | 371 | |
f32d4091 KS |
372 | regs.x.ax = 0x0008; |
373 | regs.x.cx = 0; | |
374 | regs.x.dx = 8 * (ScreenRows () - 1); | |
375 | int86 (0x33, ®s, ®s); | |
1b94449f | 376 | |
f32d4091 KS |
377 | mouse_moveto (0, 0); |
378 | mouse_visible = 0; | |
379 | } | |
3eb1dbb6 | 380 | \f |
f32d4091 KS |
381 | /* ------------------------- Screen control ---------------------- |
382 | * | |
383 | */ | |
aee81730 | 384 | |
f32d4091 | 385 | static int internal_terminal = 0; |
aee81730 | 386 | |
f32d4091 KS |
387 | #ifndef HAVE_X_WINDOWS |
388 | extern unsigned char ScreenAttrib; | |
389 | static int screen_face; | |
aee81730 | 390 | |
f32d4091 KS |
391 | static int screen_size_X; |
392 | static int screen_size_Y; | |
393 | static int screen_size; | |
1b94449f | 394 | |
f32d4091 KS |
395 | static int current_pos_X; |
396 | static int current_pos_Y; | |
397 | static int new_pos_X; | |
398 | static int new_pos_Y; | |
1b94449f | 399 | |
f32d4091 KS |
400 | static void *startup_screen_buffer; |
401 | static int startup_screen_size_X; | |
402 | static int startup_screen_size_Y; | |
403 | static int startup_pos_X; | |
404 | static int startup_pos_Y; | |
c9adab25 | 405 | static unsigned char startup_screen_attrib; |
1b94449f | 406 | |
06b1ea13 EZ |
407 | static clock_t startup_time; |
408 | ||
f32d4091 | 409 | static int term_setup_done; |
1b94449f | 410 | |
8ba01a32 EZ |
411 | static unsigned short outside_cursor; |
412 | ||
5492865b | 413 | /* The only display since MS-DOS does not support multiple ones. */ |
3e1944a3 | 414 | struct tty_display_info the_only_display_info; |
1b94449f | 415 | |
039274cf EZ |
416 | /* Support for DOS/V (allows Japanese characters to be displayed on |
417 | standard, non-Japanese, ATs). Only supported for DJGPP v2 and later. */ | |
418 | ||
419 | /* Holds the address of the text-mode screen buffer. */ | |
420 | static unsigned long screen_old_address = 0; | |
421 | /* Segment and offset of the virtual screen. If 0, DOS/V is NOT loaded. */ | |
422 | static unsigned short screen_virtual_segment = 0; | |
423 | static unsigned short screen_virtual_offset = 0; | |
6b61353c KH |
424 | extern Lisp_Object Qcursor_type; |
425 | extern Lisp_Object Qbar, Qhbar; | |
8ba01a32 | 426 | |
9ccf54e9 | 427 | /* The screen colors of the current frame, which serve as the default |
deece6f5 EZ |
428 | colors for newly-created frames. */ |
429 | static int initial_screen_colors[2]; | |
430 | ||
039274cf EZ |
431 | /* Update the screen from a part of relocated DOS/V screen buffer which |
432 | begins at OFFSET and includes COUNT characters. */ | |
433 | static void | |
434 | dosv_refresh_virtual_screen (int offset, int count) | |
435 | { | |
436 | __dpmi_regs regs; | |
437 | ||
9ab8560d | 438 | if (offset < 0 || count < 0) /* paranoia; invalid values crash DOS/V */ |
40437cf5 EZ |
439 | return; |
440 | ||
039274cf EZ |
441 | regs.h.ah = 0xff; /* update relocated screen */ |
442 | regs.x.es = screen_virtual_segment; | |
443 | regs.x.di = screen_virtual_offset + offset; | |
444 | regs.x.cx = count; | |
445 | __dpmi_int (0x10, ®s); | |
446 | } | |
039274cf | 447 | |
d1d5dc19 | 448 | static void |
3a8ce822 | 449 | dos_direct_output (int y, int x, char *buf, int len) |
1b94449f | 450 | { |
40437cf5 EZ |
451 | int t0 = 2 * (x + y * screen_size_X); |
452 | int t = t0 + (int) ScreenPrimary; | |
039274cf | 453 | int l0 = len; |
fc171623 | 454 | |
fc171623 KH |
455 | /* This is faster. */ |
456 | for (_farsetsel (_dos_ds); --len >= 0; t += 2, buf++) | |
457 | _farnspokeb (t, *buf); | |
039274cf EZ |
458 | |
459 | if (screen_virtual_segment) | |
460 | dosv_refresh_virtual_screen (t0, l0); | |
f32d4091 KS |
461 | } |
462 | #endif | |
463 | ||
464 | #ifndef HAVE_X_WINDOWS | |
465 | ||
b36701cc RS |
466 | static int blink_bit = -1; /* the state of the blink bit at startup */ |
467 | ||
76ac1508 RS |
468 | /* Enable bright background colors. */ |
469 | static void | |
470 | bright_bg (void) | |
471 | { | |
472 | union REGS regs; | |
473 | ||
b36701cc RS |
474 | /* Remember the original state of the blink/bright-background bit. |
475 | It is stored at 0040:0065h in the BIOS data area. */ | |
476 | if (blink_bit == -1) | |
477 | blink_bit = (_farpeekb (_dos_ds, 0x465) & 0x20) == 0x20; | |
478 | ||
76ac1508 RS |
479 | regs.h.bl = 0; |
480 | regs.x.ax = 0x1003; | |
481 | int86 (0x10, ®s, ®s); | |
482 | } | |
483 | ||
b36701cc RS |
484 | /* Disable bright background colors (and enable blinking) if we found |
485 | the video system in that state at startup. */ | |
486 | static void | |
487 | maybe_enable_blinking (void) | |
488 | { | |
489 | if (blink_bit == 1) | |
490 | { | |
491 | union REGS regs; | |
492 | ||
493 | regs.h.bl = 1; | |
494 | regs.x.ax = 0x1003; | |
495 | int86 (0x10, ®s, ®s); | |
496 | } | |
497 | } | |
498 | ||
8ba01a32 EZ |
499 | /* Return non-zero if the system has a VGA adapter. */ |
500 | static int | |
501 | vga_installed (void) | |
502 | { | |
503 | union REGS regs; | |
504 | ||
505 | regs.x.ax = 0x1a00; | |
506 | int86 (0x10, ®s, ®s); | |
507 | if (regs.h.al == 0x1a && regs.h.bl > 5 && regs.h.bl < 13) | |
508 | return 1; | |
509 | return 0; | |
510 | } | |
511 | ||
4a96d4d2 KH |
512 | /* Set the screen dimensions so that it can show no less than |
513 | ROWS x COLS frame. */ | |
48ffe371 | 514 | |
4a96d4d2 | 515 | void |
3a8ce822 | 516 | dos_set_window_size (int *rows, int *cols) |
4a96d4d2 KH |
517 | { |
518 | char video_name[30]; | |
4a96d4d2 | 519 | union REGS regs; |
56e19ec4 EZ |
520 | Lisp_Object video_mode; |
521 | int video_mode_value, have_vga = 0; | |
4a96d4d2 KH |
522 | int current_rows = ScreenRows (), current_cols = ScreenCols (); |
523 | ||
524 | if (*rows == current_rows && *cols == current_cols) | |
525 | return; | |
526 | ||
4a96d4d2 | 527 | mouse_off (); |
8ba01a32 | 528 | have_vga = vga_installed (); |
4a96d4d2 | 529 | |
48ffe371 | 530 | /* If the user specified a special video mode for these dimensions, |
4a96d4d2 | 531 | use that mode. */ |
15dbb4d6 PE |
532 | video_mode |
533 | = Fsymbol_value (Fintern_soft (make_formatted_string | |
a8290ec3 DA |
534 | (video_name, "screen-dimensions-%dx%d", |
535 | *rows, *cols), Qnil)); | |
4a96d4d2 KH |
536 | |
537 | if (INTEGERP (video_mode) | |
538 | && (video_mode_value = XINT (video_mode)) > 0) | |
539 | { | |
540 | regs.x.ax = video_mode_value; | |
541 | int86 (0x10, ®s, ®s); | |
48ffe371 RS |
542 | |
543 | if (have_mouse) | |
544 | { | |
545 | /* Must hardware-reset the mouse, or else it won't update | |
546 | its notion of screen dimensions for some non-standard | |
547 | video modes. This is *painfully* slow... */ | |
548 | regs.x.ax = 0; | |
549 | int86 (0x33, ®s, ®s); | |
550 | } | |
4a96d4d2 KH |
551 | } |
552 | ||
553 | /* Find one of the dimensions supported by standard EGA/VGA | |
554 | which gives us at least the required dimensions. */ | |
4a96d4d2 KH |
555 | else |
556 | { | |
557 | static struct { | |
56e19ec4 | 558 | int rows, need_vga; |
4a96d4d2 KH |
559 | } std_dimension[] = { |
560 | {25, 0}, | |
561 | {28, 1}, | |
562 | {35, 0}, | |
563 | {40, 1}, | |
564 | {43, 0}, | |
565 | {50, 1} | |
566 | }; | |
567 | int i = 0; | |
568 | ||
c72d972c | 569 | while (i < ARRAYELTS (std_dimension)) |
4a96d4d2 KH |
570 | { |
571 | if (std_dimension[i].need_vga <= have_vga | |
572 | && std_dimension[i].rows >= *rows) | |
573 | { | |
574 | if (std_dimension[i].rows != current_rows | |
575 | || *cols != current_cols) | |
48ffe371 | 576 | _set_screen_lines (std_dimension[i].rows); |
4a96d4d2 KH |
577 | break; |
578 | } | |
48ffe371 | 579 | i++; |
4a96d4d2 KH |
580 | } |
581 | } | |
582 | ||
4a96d4d2 KH |
583 | |
584 | if (have_mouse) | |
585 | { | |
4a96d4d2 KH |
586 | mouse_init (); |
587 | mouse_on (); | |
588 | } | |
589 | ||
590 | /* Tell the caller what dimensions have been REALLY set. */ | |
591 | *rows = ScreenRows (); | |
592 | *cols = ScreenCols (); | |
76ac1508 | 593 | |
bed43f1d EZ |
594 | /* Update Emacs' notion of screen dimensions. */ |
595 | screen_size_X = *cols; | |
596 | screen_size_Y = *rows; | |
597 | screen_size = *cols * *rows; | |
598 | ||
41ad069b EZ |
599 | /* If the dimensions changed, the mouse highlight info is invalid. */ |
600 | if (current_rows != *rows || current_cols != *cols) | |
601 | { | |
5e617bc2 | 602 | struct frame *f = SELECTED_FRAME (); |
34574c02 EZ |
603 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f); |
604 | Lisp_Object window = hlinfo->mouse_face_window; | |
41ad069b EZ |
605 | |
606 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
9fed9729 | 607 | reset_mouse_highlight (hlinfo); |
41ad069b | 608 | } |
41ad069b | 609 | |
76ac1508 RS |
610 | /* Enable bright background colors. */ |
611 | bright_bg (); | |
039274cf EZ |
612 | |
613 | /* FIXME: I'm not sure the above will run at all on DOS/V. But let's | |
614 | be defensive anyway. */ | |
615 | if (screen_virtual_segment) | |
616 | dosv_refresh_virtual_screen (0, *cols * *rows); | |
4a96d4d2 KH |
617 | } |
618 | ||
48ffe371 RS |
619 | /* If we write a character in the position where the mouse is, |
620 | the mouse cursor may need to be refreshed. */ | |
09e2ac30 RS |
621 | |
622 | static void | |
3a8ce822 | 623 | mouse_off_maybe (void) |
09e2ac30 | 624 | { |
f32d4091 | 625 | int x, y; |
56e19ec4 | 626 | |
f32d4091 KS |
627 | if (!mouse_visible) |
628 | return; | |
56e19ec4 | 629 | |
f32d4091 KS |
630 | mouse_get_xy (&x, &y); |
631 | if (y != new_pos_Y || x < new_pos_X) | |
632 | return; | |
56e19ec4 | 633 | |
f32d4091 KS |
634 | mouse_off (); |
635 | } | |
636 | ||
8ba01a32 EZ |
637 | #define DEFAULT_CURSOR_START (-1) |
638 | #define DEFAULT_CURSOR_WIDTH (-1) | |
639 | #define BOX_CURSOR_WIDTH (-32) | |
640 | ||
641 | /* Set cursor to begin at scan line START_LINE in the character cell | |
642 | and extend for WIDTH scan lines. Scan lines are counted from top | |
643 | of the character cell, starting from zero. */ | |
644 | static void | |
645 | msdos_set_cursor_shape (struct frame *f, int start_line, int width) | |
646 | { | |
8ba01a32 EZ |
647 | unsigned desired_cursor; |
648 | __dpmi_regs regs; | |
649 | int max_line, top_line, bot_line; | |
3e1944a3 | 650 | struct tty_display_info *tty = FRAME_TTY (f); |
8ba01a32 EZ |
651 | |
652 | /* Avoid the costly BIOS call if F isn't the currently selected | |
653 | frame. Allow for NULL as unconditionally meaning the selected | |
654 | frame. */ | |
5e617bc2 | 655 | if (f && f != SELECTED_FRAME ()) |
8ba01a32 EZ |
656 | return; |
657 | ||
3e1944a3 EZ |
658 | if (tty->termscript) |
659 | fprintf (tty->termscript, "\nCURSOR SHAPE=(%d,%d)", start_line, width); | |
b106731c | 660 | |
8ba01a32 EZ |
661 | /* The character cell size in scan lines is stored at 40:85 in the |
662 | BIOS data area. */ | |
663 | max_line = _farpeekw (_dos_ds, 0x485) - 1; | |
664 | switch (max_line) | |
665 | { | |
666 | default: /* this relies on CGA cursor emulation being ON! */ | |
667 | case 7: | |
668 | bot_line = 7; | |
669 | break; | |
670 | case 9: | |
671 | bot_line = 9; | |
672 | break; | |
673 | case 13: | |
674 | bot_line = 12; | |
675 | break; | |
676 | case 15: | |
677 | bot_line = 14; | |
678 | break; | |
679 | } | |
680 | ||
681 | if (width < 0) | |
682 | { | |
683 | if (width == BOX_CURSOR_WIDTH) | |
684 | { | |
685 | top_line = 0; | |
686 | bot_line = max_line; | |
687 | } | |
688 | else if (start_line != DEFAULT_CURSOR_START) | |
689 | { | |
690 | top_line = start_line; | |
691 | bot_line = top_line - width - 1; | |
692 | } | |
693 | else if (width != DEFAULT_CURSOR_WIDTH) | |
694 | { | |
695 | top_line = 0; | |
696 | bot_line = -1 - width; | |
697 | } | |
698 | else | |
699 | top_line = bot_line + 1; | |
700 | } | |
701 | else if (width == 0) | |
702 | { | |
703 | /* [31, 0] seems to DTRT for all screen sizes. */ | |
704 | top_line = 31; | |
705 | bot_line = 0; | |
706 | } | |
707 | else /* WIDTH is positive */ | |
708 | { | |
709 | if (start_line != DEFAULT_CURSOR_START) | |
710 | bot_line = start_line; | |
711 | top_line = bot_line - (width - 1); | |
712 | } | |
713 | ||
714 | /* If the current cursor shape is already what they want, we are | |
715 | history here. */ | |
716 | desired_cursor = ((top_line & 0x1f) << 8) | (bot_line & 0x1f); | |
717 | if (desired_cursor == _farpeekw (_dos_ds, 0x460)) | |
718 | return; | |
719 | ||
720 | regs.h.ah = 1; | |
721 | regs.x.cx = desired_cursor; | |
722 | __dpmi_int (0x10, ®s); | |
8ba01a32 EZ |
723 | } |
724 | ||
725 | static void | |
726 | IT_set_cursor_type (struct frame *f, Lisp_Object cursor_type) | |
727 | { | |
a0738471 | 728 | if (EQ (cursor_type, Qbar) || EQ (cursor_type, Qhbar)) |
8ba01a32 EZ |
729 | { |
730 | /* Just BAR means the normal EGA/VGA cursor. */ | |
731 | msdos_set_cursor_shape (f, DEFAULT_CURSOR_START, DEFAULT_CURSOR_WIDTH); | |
732 | } | |
a0738471 EZ |
733 | else if (CONSP (cursor_type) |
734 | && (EQ (XCAR (cursor_type), Qbar) | |
735 | || EQ (XCAR (cursor_type), Qhbar))) | |
8ba01a32 EZ |
736 | { |
737 | Lisp_Object bar_parms = XCDR (cursor_type); | |
738 | int width; | |
739 | ||
740 | if (INTEGERP (bar_parms)) | |
741 | { | |
742 | /* Feature: negative WIDTH means cursor at the top | |
743 | of the character cell, zero means invisible cursor. */ | |
744 | width = XINT (bar_parms); | |
745 | msdos_set_cursor_shape (f, width >= 0 ? DEFAULT_CURSOR_START : 0, | |
746 | width); | |
747 | } | |
748 | else if (CONSP (bar_parms) | |
749 | && INTEGERP (XCAR (bar_parms)) | |
750 | && INTEGERP (XCDR (bar_parms))) | |
751 | { | |
752 | int start_line = XINT (XCDR (bar_parms)); | |
753 | ||
754 | width = XINT (XCAR (bar_parms)); | |
755 | msdos_set_cursor_shape (f, start_line, width); | |
756 | } | |
757 | } | |
758 | else | |
b106731c EZ |
759 | { |
760 | /* Treat anything unknown as "box cursor". This includes nil, so | |
761 | that a frame which doesn't specify a cursor type gets a box, | |
762 | which is the default in Emacs. */ | |
763 | msdos_set_cursor_shape (f, 0, BOX_CURSOR_WIDTH); | |
764 | } | |
8ba01a32 EZ |
765 | } |
766 | ||
71f65669 | 767 | static void |
3e1944a3 | 768 | IT_ring_bell (struct frame *f) |
f32d4091 KS |
769 | { |
770 | if (visible_bell) | |
aee81730 | 771 | { |
f32d4091 KS |
772 | mouse_off (); |
773 | ScreenVisualBell (); | |
aee81730 | 774 | } |
f32d4091 | 775 | else |
3635be47 RS |
776 | { |
777 | union REGS inregs, outregs; | |
778 | inregs.h.ah = 2; | |
779 | inregs.h.dl = 7; | |
780 | intdos (&inregs, &outregs); | |
781 | } | |
09e2ac30 RS |
782 | } |
783 | ||
c77f6f1b EZ |
784 | /* Given a face id FACE, extract the face parameters to be used for |
785 | display until the face changes. The face parameters (actually, its | |
786 | color) are used to construct the video attribute byte for each | |
787 | glyph during the construction of the buffer that is then blitted to | |
788 | the video RAM. */ | |
f32d4091 KS |
789 | static void |
790 | IT_set_face (int face) | |
791 | { | |
5e617bc2 | 792 | struct frame *sf = SELECTED_FRAME (); |
546701f5 EZ |
793 | struct face *fp = FACE_FROM_ID (sf, face); |
794 | struct face *dfp = FACE_FROM_ID (sf, DEFAULT_FACE_ID); | |
795 | unsigned long fg, bg, dflt_fg, dflt_bg; | |
3e1944a3 | 796 | struct tty_display_info *tty = FRAME_TTY (sf); |
f32d4091 | 797 | |
c77f6f1b | 798 | if (!fp) |
e30aee93 | 799 | { |
546701f5 | 800 | fp = dfp; |
e30aee93 EZ |
801 | /* The default face for the frame should always be realized and |
802 | cached. */ | |
803 | if (!fp) | |
1088b922 | 804 | emacs_abort (); |
e30aee93 | 805 | } |
f32d4091 | 806 | screen_face = face; |
c77f6f1b EZ |
807 | fg = fp->foreground; |
808 | bg = fp->background; | |
546701f5 EZ |
809 | dflt_fg = dfp->foreground; |
810 | dflt_bg = dfp->background; | |
c77f6f1b | 811 | |
abcce93a MB |
812 | /* Don't use invalid colors. In particular, FACE_TTY_DEFAULT_* colors |
813 | mean use the colors of the default face. Note that we assume all | |
814 | 16 colors to be available for the background, since Emacs switches | |
815 | on this mode (and loses the blinking attribute) at startup. */ | |
f9d2fdc4 | 816 | if (fg == FACE_TTY_DEFAULT_COLOR || fg == FACE_TTY_DEFAULT_FG_COLOR) |
3b620731 | 817 | fg = FRAME_FOREGROUND_PIXEL (sf); |
f9d2fdc4 | 818 | else if (fg == FACE_TTY_DEFAULT_BG_COLOR) |
3b620731 EZ |
819 | fg = FRAME_BACKGROUND_PIXEL (sf); |
820 | if (bg == FACE_TTY_DEFAULT_COLOR || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
821 | bg = FRAME_BACKGROUND_PIXEL (sf); | |
f9d2fdc4 | 822 | else if (bg == FACE_TTY_DEFAULT_FG_COLOR) |
3b620731 EZ |
823 | bg = FRAME_FOREGROUND_PIXEL (sf); |
824 | ||
825 | /* Make sure highlighted lines really stand out, come what may. */ | |
abcce93a | 826 | if (fp->tty_reverse_p && (fg == dflt_fg && bg == dflt_bg)) |
3b620731 EZ |
827 | { |
828 | unsigned long tem = fg; | |
829 | ||
830 | fg = bg; | |
831 | bg = tem; | |
832 | } | |
76648534 EZ |
833 | /* If the user requested inverse video, obey. */ |
834 | if (inverse_video) | |
835 | { | |
836 | unsigned long tem2 = fg; | |
837 | ||
838 | fg = bg; | |
839 | bg = tem2; | |
840 | } | |
3e1944a3 | 841 | if (tty->termscript) |
891ef8f7 | 842 | fprintf (tty->termscript, "<FACE %d: %lu/%lu[FG:%lu/BG:%lu]>", face, |
abcce93a | 843 | fp->foreground, fp->background, fg, bg); |
c77f6f1b EZ |
844 | if (fg >= 0 && fg < 16) |
845 | { | |
846 | ScreenAttrib &= 0xf0; | |
847 | ScreenAttrib |= fg; | |
848 | } | |
849 | if (bg >= 0 && bg < 16) | |
850 | { | |
851 | ScreenAttrib &= 0x0f; | |
852 | ScreenAttrib |= ((bg & 0x0f) << 4); | |
853 | } | |
f32d4091 KS |
854 | } |
855 | ||
aff01dd9 EZ |
856 | /* According to RBIL (INTERRUP.A, V-1000), 160 is the maximum possible |
857 | width of a DOS display in any known text mode. We multiply by 2 to | |
7ee6a1d3 | 858 | accommodate the screen attribute byte. */ |
aff01dd9 EZ |
859 | #define MAX_SCREEN_BUF 160*2 |
860 | ||
3e1944a3 EZ |
861 | extern unsigned char *encode_terminal_code (struct glyph *, int, |
862 | struct coding_system *); | |
7ef4b50c | 863 | |
71f65669 | 864 | static void |
3e1944a3 | 865 | IT_write_glyphs (struct frame *f, struct glyph *str, int str_len) |
f32d4091 | 866 | { |
aff01dd9 | 867 | unsigned char screen_buf[MAX_SCREEN_BUF], *screen_bp, *bp; |
039274cf | 868 | int offset = 2 * (new_pos_X + screen_size_X * new_pos_Y); |
aa9ce936 | 869 | register int sl = str_len; |
3e1944a3 | 870 | struct tty_display_info *tty = FRAME_TTY (f); |
2d764c78 | 871 | struct frame *sf; |
3e1944a3 | 872 | unsigned char *conversion_buffer; |
87485d6f | 873 | |
3e1944a3 EZ |
874 | /* If terminal_coding does any conversion, use it, otherwise use |
875 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
876 | because it always returns 1 if terminal_coding.src_multibyte is 1. */ | |
877 | struct coding_system *coding = FRAME_TERMINAL_CODING (f); | |
878 | ||
879 | if (!(coding->common_flags & CODING_REQUIRE_ENCODING_MASK)) | |
880 | coding = &safe_terminal_coding; | |
648648a9 | 881 | |
3b620731 | 882 | if (str_len <= 0) return; |
56e19ec4 | 883 | |
5e617bc2 | 884 | sf = SELECTED_FRAME (); |
e30aee93 EZ |
885 | |
886 | /* Since faces get cached and uncached behind our back, we can't | |
887 | rely on their indices in the cache being consistent across | |
888 | invocations. So always reset the screen face to the default | |
889 | face of the frame, before writing glyphs, and let the glyphs | |
890 | set the right face if it's different from the default. */ | |
891 | IT_set_face (DEFAULT_FACE_ID); | |
56e19ec4 | 892 | |
aa9ce936 EZ |
893 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
894 | the tail. */ | |
3e1944a3 | 895 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
aff01dd9 | 896 | screen_bp = &screen_buf[0]; |
3e1944a3 | 897 | while (sl > 0) |
aa9ce936 | 898 | { |
3e1944a3 | 899 | int cf; |
aff01dd9 | 900 | int n; |
aa9ce936 | 901 | |
aff01dd9 EZ |
902 | /* If the face of this glyph is different from the current |
903 | screen face, update the screen attribute byte. */ | |
904 | cf = str->face_id; | |
905 | if (cf != screen_face) | |
906 | IT_set_face (cf); /* handles invalid faces gracefully */ | |
907 | ||
908 | /* Identify a run of glyphs with the same face. */ | |
909 | for (n = 1; n < sl; ++n) | |
910 | if (str[n].face_id != cf) | |
911 | break; | |
912 | ||
913 | if (n >= sl) | |
914 | /* This is the last glyph. */ | |
915 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
916 | ||
917 | conversion_buffer = encode_terminal_code (str, n, coding); | |
918 | if (coding->produced > 0) | |
aa9ce936 | 919 | { |
aff01dd9 EZ |
920 | /* Copy the encoded bytes to the screen buffer. */ |
921 | for (bp = conversion_buffer; coding->produced--; bp++) | |
aa9ce936 | 922 | { |
aff01dd9 EZ |
923 | /* Paranoia: discard bytes that would overrun the end of |
924 | the screen buffer. */ | |
925 | if (screen_bp - screen_buf <= MAX_SCREEN_BUF - 2) | |
aa9ce936 | 926 | { |
aff01dd9 EZ |
927 | *screen_bp++ = (unsigned char)*bp; |
928 | *screen_bp++ = ScreenAttrib; | |
aa9ce936 | 929 | } |
aff01dd9 EZ |
930 | if (tty->termscript) |
931 | fputc (*bp, tty->termscript); | |
aa9ce936 EZ |
932 | } |
933 | } | |
aff01dd9 EZ |
934 | /* Update STR and its remaining length. */ |
935 | str += n; | |
936 | sl -= n; | |
aee81730 RS |
937 | } |
938 | ||
aff01dd9 | 939 | /* Dump whatever we have in the screen buffer. */ |
f32d4091 | 940 | mouse_off_maybe (); |
aa9ce936 | 941 | dosmemput (screen_buf, screen_bp - screen_buf, (int)ScreenPrimary + offset); |
039274cf | 942 | if (screen_virtual_segment) |
aa9ce936 EZ |
943 | dosv_refresh_virtual_screen (offset, (screen_bp - screen_buf) / 2); |
944 | new_pos_X += (screen_bp - screen_buf) / 2; | |
f32d4091 | 945 | } |
aee81730 | 946 | |
41ad069b EZ |
947 | /************************************************************************ |
948 | Mouse Highlight (and friends..) | |
949 | ************************************************************************/ | |
950 | ||
41ad069b EZ |
951 | static int mouse_preempted = 0; /* non-zero when XMenu gobbles mouse events */ |
952 | ||
d009ae66 EZ |
953 | int |
954 | popup_activated (void) | |
41ad069b | 955 | { |
d009ae66 | 956 | return mouse_preempted; |
41ad069b EZ |
957 | } |
958 | ||
d009ae66 | 959 | /* Draw TEXT_AREA glyphs between START and END of glyph row ROW on |
28118eb6 EZ |
960 | window W. X is relative to TEXT_AREA in W. HL is a face override |
961 | for drawing the glyphs. */ | |
d009ae66 | 962 | void |
28118eb6 EZ |
963 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, |
964 | int start_hpos, int end_hpos, | |
965 | enum draw_glyphs_face hl) | |
41ad069b | 966 | { |
41ad069b | 967 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
3e1944a3 | 968 | struct tty_display_info *tty = FRAME_TTY (f); |
34574c02 | 969 | Mouse_HLInfo *hlinfo = &tty->mouse_highlight; |
41ad069b | 970 | |
d009ae66 | 971 | if (hl == DRAW_MOUSE_FACE) |
41ad069b | 972 | { |
d009ae66 EZ |
973 | int vpos = row->y + WINDOW_TOP_EDGE_Y (w); |
974 | int kstart = start_hpos + WINDOW_LEFT_EDGE_X (w); | |
975 | int nglyphs = end_hpos - start_hpos; | |
976 | int offset = ScreenPrimary + 2*(vpos*screen_size_X + kstart) + 1; | |
977 | int start_offset = offset; | |
41ad069b | 978 | |
d009ae66 EZ |
979 | if (tty->termscript) |
980 | fprintf (tty->termscript, "\n<MH+ %d-%d:%d>", | |
981 | kstart, kstart + nglyphs - 1, vpos); | |
56e19ec4 | 982 | |
d009ae66 | 983 | mouse_off (); |
34574c02 | 984 | IT_set_face (hlinfo->mouse_face_face_id); |
d009ae66 EZ |
985 | /* Since we are going to change only the _colors_ of already |
986 | displayed text, there's no need to go through all the pain of | |
987 | generating and encoding the text from the glyphs. Instead, | |
988 | we simply poke the attribute byte of each affected position | |
989 | in video memory with the colors computed by IT_set_face! */ | |
990 | _farsetsel (_dos_ds); | |
991 | while (nglyphs--) | |
41ad069b | 992 | { |
d009ae66 EZ |
993 | _farnspokeb (offset, ScreenAttrib); |
994 | offset += 2; | |
41ad069b | 995 | } |
d009ae66 EZ |
996 | if (screen_virtual_segment) |
997 | dosv_refresh_virtual_screen (start_offset, end_hpos - start_hpos); | |
998 | mouse_on (); | |
41ad069b | 999 | } |
d009ae66 | 1000 | else if (hl == DRAW_NORMAL_TEXT) |
41ad069b | 1001 | { |
d009ae66 EZ |
1002 | /* We are removing a previously-drawn mouse highlight. The |
1003 | safest way to do so is to redraw the glyphs anew, since all | |
1004 | kinds of faces and display tables could have changed behind | |
1005 | our back. */ | |
1006 | int nglyphs = end_hpos - start_hpos; | |
1007 | int save_x = new_pos_X, save_y = new_pos_Y; | |
1008 | ||
1009 | if (end_hpos >= row->used[TEXT_AREA]) | |
1010 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
1011 | ||
1012 | /* IT_write_glyphs writes at cursor position, so we need to | |
1013 | temporarily move cursor coordinates to the beginning of | |
1014 | the highlight region. */ | |
1015 | new_pos_X = start_hpos + WINDOW_LEFT_EDGE_X (w); | |
1016 | new_pos_Y = row->y + WINDOW_TOP_EDGE_Y (w); | |
41ad069b | 1017 | |
d009ae66 EZ |
1018 | if (tty->termscript) |
1019 | fprintf (tty->termscript, "<MH- %d-%d:%d>", | |
1020 | new_pos_X, new_pos_X + nglyphs - 1, new_pos_Y); | |
1021 | IT_write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
1022 | if (tty->termscript) | |
1023 | fputs ("\n", tty->termscript); | |
1024 | new_pos_X = save_x; | |
1025 | new_pos_Y = save_y; | |
41ad069b EZ |
1026 | } |
1027 | } | |
1028 | ||
71f65669 | 1029 | static void |
3e1944a3 | 1030 | IT_clear_end_of_line (struct frame *f, int first_unused) |
f32d4091 KS |
1031 | { |
1032 | char *spaces, *sp; | |
56e19ec4 | 1033 | int i, j, offset = 2 * (new_pos_X + screen_size_X * new_pos_Y); |
3e1944a3 | 1034 | struct tty_display_info *tty = FRAME_TTY (f); |
aa9ce936 | 1035 | |
2d764c78 | 1036 | if (new_pos_X >= first_unused || fatal_error_in_progress) |
aa9ce936 | 1037 | return; |
f32d4091 KS |
1038 | |
1039 | IT_set_face (0); | |
2d764c78 | 1040 | i = (j = first_unused - new_pos_X) * 2; |
3e1944a3 EZ |
1041 | if (tty->termscript) |
1042 | fprintf (tty->termscript, "<CLR:EOL[%d..%d)>", new_pos_X, first_unused); | |
f32d4091 | 1043 | spaces = sp = alloca (i); |
56e19ec4 | 1044 | |
f32d4091 | 1045 | while (--j >= 0) |
aee81730 | 1046 | { |
f32d4091 KS |
1047 | *sp++ = ' '; |
1048 | *sp++ = ScreenAttrib; | |
aee81730 RS |
1049 | } |
1050 | ||
f32d4091 | 1051 | mouse_off_maybe (); |
039274cf EZ |
1052 | dosmemput (spaces, i, (int)ScreenPrimary + offset); |
1053 | if (screen_virtual_segment) | |
1054 | dosv_refresh_virtual_screen (offset, i / 2); | |
2d764c78 EZ |
1055 | |
1056 | /* clear_end_of_line_raw on term.c leaves the cursor at first_unused. | |
1057 | Let's follow their lead, in case someone relies on this. */ | |
1058 | new_pos_X = first_unused; | |
aee81730 RS |
1059 | } |
1060 | ||
71f65669 | 1061 | static void |
3e1944a3 | 1062 | IT_clear_screen (struct frame *f) |
f32d4091 | 1063 | { |
3e1944a3 EZ |
1064 | struct tty_display_info *tty = FRAME_TTY (f); |
1065 | ||
1066 | if (tty->termscript) | |
1067 | fprintf (tty->termscript, "<CLR:SCR>"); | |
deece6f5 EZ |
1068 | /* We are sometimes called (from clear_garbaged_frames) when a new |
1069 | frame is being created, but its faces are not yet realized. In | |
1070 | such a case we cannot call IT_set_face, since it will fail to find | |
1071 | any valid faces and will abort. Instead, use the initial screen | |
1072 | colors; that should mimic what a Unix tty does, which simply clears | |
1073 | the screen with whatever default colors are in use. */ | |
1074 | if (FACE_FROM_ID (SELECTED_FRAME (), DEFAULT_FACE_ID) == NULL) | |
1075 | ScreenAttrib = (initial_screen_colors[0] << 4) | initial_screen_colors[1]; | |
1076 | else | |
1077 | IT_set_face (0); | |
f32d4091 KS |
1078 | mouse_off (); |
1079 | ScreenClear (); | |
039274cf EZ |
1080 | if (screen_virtual_segment) |
1081 | dosv_refresh_virtual_screen (0, screen_size); | |
f32d4091 KS |
1082 | new_pos_X = new_pos_Y = 0; |
1083 | } | |
1084 | ||
71f65669 | 1085 | static void |
3e1944a3 | 1086 | IT_clear_to_end (struct frame *f) |
f32d4091 | 1087 | { |
3e1944a3 EZ |
1088 | struct tty_display_info *tty = FRAME_TTY (f); |
1089 | ||
1090 | if (tty->termscript) | |
1091 | fprintf (tty->termscript, "<CLR:EOS>"); | |
f32d4091 KS |
1092 | |
1093 | while (new_pos_Y < screen_size_Y) { | |
1094 | new_pos_X = 0; | |
3e1944a3 | 1095 | IT_clear_end_of_line (f, screen_size_X); |
f32d4091 KS |
1096 | new_pos_Y++; |
1097 | } | |
1098 | } | |
1099 | ||
71f65669 | 1100 | static void |
3e1944a3 | 1101 | IT_cursor_to (struct frame *f, int y, int x) |
f32d4091 | 1102 | { |
3e1944a3 EZ |
1103 | struct tty_display_info *tty = FRAME_TTY (f); |
1104 | ||
1105 | if (tty->termscript) | |
1106 | fprintf (tty->termscript, "\n<XY=%dx%d>", x, y); | |
f32d4091 KS |
1107 | new_pos_X = x; |
1108 | new_pos_Y = y; | |
1109 | } | |
1110 | ||
fc171623 KH |
1111 | static int cursor_cleared; |
1112 | ||
d1d5dc19 | 1113 | static void |
fc171623 KH |
1114 | IT_display_cursor (int on) |
1115 | { | |
3e1944a3 EZ |
1116 | struct tty_display_info *tty = CURTTY (); |
1117 | ||
fc171623 KH |
1118 | if (on && cursor_cleared) |
1119 | { | |
1120 | ScreenSetCursor (current_pos_Y, current_pos_X); | |
1121 | cursor_cleared = 0; | |
b04021eb | 1122 | if (tty->termscript) |
cb4545ad EZ |
1123 | fprintf (tty->termscript, "\nCURSOR ON (%dx%d)", |
1124 | current_pos_Y, current_pos_X); | |
fc171623 KH |
1125 | } |
1126 | else if (!on && !cursor_cleared) | |
1127 | { | |
1128 | ScreenSetCursor (-1, -1); | |
1129 | cursor_cleared = 1; | |
b04021eb | 1130 | if (tty->termscript) |
cb4545ad EZ |
1131 | fprintf (tty->termscript, "\nCURSOR OFF (%dx%d)", |
1132 | current_pos_Y, current_pos_X); | |
fc171623 KH |
1133 | } |
1134 | } | |
1135 | ||
1136 | /* Emacs calls cursor-movement functions a lot when it updates the | |
1137 | display (probably a legacy of old terminals where you cannot | |
1138 | update a screen line without first moving the cursor there). | |
1139 | However, cursor movement is expensive on MSDOS (it calls a slow | |
1140 | BIOS function and requires 2 mode switches), while actual screen | |
1141 | updates access the video memory directly and don't depend on | |
1142 | cursor position. To avoid slowing down the redisplay, we cheat: | |
1143 | all functions that move the cursor only set internal variables | |
1144 | which record the cursor position, whereas the cursor is only | |
1145 | moved to its final position whenever screen update is complete. | |
1146 | ||
1147 | `IT_cmgoto' is called from the keyboard reading loop and when the | |
1148 | frame update is complete. This means that we are ready for user | |
1149 | input, so we update the cursor position to show where the point is, | |
1150 | and also make the mouse pointer visible. | |
1151 | ||
1152 | Special treatment is required when the cursor is in the echo area, | |
1153 | to put the cursor at the end of the text displayed there. */ | |
1154 | ||
71f65669 | 1155 | static void |
a10c8269 | 1156 | IT_cmgoto (struct frame *f) |
fc171623 KH |
1157 | { |
1158 | /* Only set the cursor to where it should be if the display is | |
1159 | already in sync with the window contents. */ | |
2d764c78 | 1160 | int update_cursor_pos = 1; /* MODIFF == unchanged_modified; */ |
3e1944a3 | 1161 | struct tty_display_info *tty = FRAME_TTY (f); |
2d764c78 EZ |
1162 | |
1163 | /* FIXME: This needs to be rewritten for the new redisplay, or | |
1164 | removed. */ | |
1165 | #if 0 | |
06da1de1 EZ |
1166 | static int previous_pos_X = -1; |
1167 | ||
2d764c78 EZ |
1168 | update_cursor_pos = 1; /* temporary!!! */ |
1169 | ||
06da1de1 EZ |
1170 | /* If the display is in sync, forget any previous knowledge about |
1171 | cursor position. This is primarily for unexpected events like | |
1172 | C-g in the minibuffer. */ | |
1173 | if (update_cursor_pos && previous_pos_X >= 0) | |
1174 | previous_pos_X = -1; | |
1175 | /* If we are in the echo area, put the cursor at the | |
1176 | end of the echo area message. */ | |
fc171623 | 1177 | if (!update_cursor_pos |
c655f6fd | 1178 | && WINDOW_TOP_EDGE_LINE (XWINDOW (FRAME_MINIBUF_WINDOW (f))) <= new_pos_Y) |
fc171623 | 1179 | { |
06da1de1 EZ |
1180 | int tem_X = current_pos_X, dummy; |
1181 | ||
1182 | if (echo_area_glyphs) | |
1183 | { | |
1184 | tem_X = echo_area_glyphs_length; | |
1185 | /* Save current cursor position, to be restored after the | |
1186 | echo area message is erased. Only remember one level | |
1187 | of previous cursor position. */ | |
1188 | if (previous_pos_X == -1) | |
1189 | ScreenGetCursor (&dummy, &previous_pos_X); | |
1190 | } | |
1191 | else if (previous_pos_X >= 0) | |
1192 | { | |
1193 | /* We wind up here after the echo area message is erased. | |
1194 | Restore the cursor position we remembered above. */ | |
1195 | tem_X = previous_pos_X; | |
1196 | previous_pos_X = -1; | |
1197 | } | |
9a599a60 | 1198 | |
06da1de1 | 1199 | if (current_pos_X != tem_X) |
9a599a60 EZ |
1200 | { |
1201 | new_pos_X = tem_X; | |
1202 | update_cursor_pos = 1; | |
1203 | } | |
fc171623 | 1204 | } |
2d764c78 | 1205 | #endif |
fc171623 KH |
1206 | |
1207 | if (update_cursor_pos | |
1208 | && (current_pos_X != new_pos_X || current_pos_Y != new_pos_Y)) | |
1209 | { | |
1210 | ScreenSetCursor (current_pos_Y = new_pos_Y, current_pos_X = new_pos_X); | |
3e1944a3 EZ |
1211 | if (tty->termscript) |
1212 | fprintf (tty->termscript, "\n<CURSOR:%dx%d>", current_pos_X, current_pos_Y); | |
fc171623 KH |
1213 | } |
1214 | ||
1215 | /* Maybe cursor is invisible, so make it visible. */ | |
1216 | IT_display_cursor (1); | |
1217 | ||
1218 | /* Mouse pointer should be always visible if we are waiting for | |
1219 | keyboard input. */ | |
1220 | if (!mouse_visible) | |
1221 | mouse_on (); | |
1222 | } | |
1223 | ||
71f65669 | 1224 | static void |
41ad069b | 1225 | IT_update_begin (struct frame *f) |
f32d4091 | 1226 | { |
aad3612f | 1227 | struct tty_display_info *display_info = FRAME_DISPLAY_INFO (f); |
34574c02 EZ |
1228 | Mouse_HLInfo *hlinfo = &display_info->mouse_highlight; |
1229 | struct frame *mouse_face_frame = hlinfo->mouse_face_mouse_frame; | |
41ad069b | 1230 | |
7ccd1daf EZ |
1231 | if (display_info->termscript) |
1232 | fprintf (display_info->termscript, "\n\n<UPDATE_BEGIN"); | |
1233 | ||
4d7e6e51 | 1234 | block_input (); |
41ad069b | 1235 | |
b9f80d41 | 1236 | if (f && f == mouse_face_frame) |
41ad069b EZ |
1237 | { |
1238 | /* Don't do highlighting for mouse motion during the update. */ | |
34574c02 | 1239 | hlinfo->mouse_face_defer = 1; |
41ad069b EZ |
1240 | |
1241 | /* If F needs to be redrawn, simply forget about any prior mouse | |
1242 | highlighting. */ | |
1243 | if (FRAME_GARBAGED_P (f)) | |
34574c02 | 1244 | hlinfo->mouse_face_window = Qnil; |
41ad069b EZ |
1245 | |
1246 | /* Can we tell that this update does not affect the window | |
1247 | where the mouse highlight is? If so, no need to turn off. | |
48c14970 EZ |
1248 | Likewise, don't do anything if none of the enabled rows |
1249 | contains glyphs highlighted in mouse face. */ | |
34574c02 EZ |
1250 | if (!NILP (hlinfo->mouse_face_window) |
1251 | && WINDOWP (hlinfo->mouse_face_window)) | |
41ad069b | 1252 | { |
34574c02 | 1253 | struct window *w = XWINDOW (hlinfo->mouse_face_window); |
41ad069b EZ |
1254 | int i; |
1255 | ||
8ccb9a54 EZ |
1256 | /* If the mouse highlight is in the window that was deleted |
1257 | (e.g., if it was popped by completion), clear highlight | |
1258 | unconditionally. */ | |
e74aeda8 | 1259 | if (NILP (w->contents)) |
34574c02 | 1260 | hlinfo->mouse_face_window = Qnil; |
8ccb9a54 EZ |
1261 | else |
1262 | { | |
1263 | for (i = 0; i < w->desired_matrix->nrows; ++i) | |
48c14970 EZ |
1264 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i) |
1265 | && MATRIX_ROW (w->current_matrix, i)->mouse_face_p) | |
8ccb9a54 EZ |
1266 | break; |
1267 | } | |
41ad069b | 1268 | |
e74aeda8 | 1269 | if (NILP (w->contents) || i < w->desired_matrix->nrows) |
34574c02 | 1270 | clear_mouse_face (hlinfo); |
41ad069b EZ |
1271 | } |
1272 | } | |
b9f80d41 | 1273 | else if (mouse_face_frame && !FRAME_LIVE_P (mouse_face_frame)) |
9fed9729 DA |
1274 | /* If the frame with mouse highlight was deleted, invalidate the |
1275 | highlight info. */ | |
1276 | reset_mouse_highlight (hlinfo); | |
41ad069b | 1277 | |
4d7e6e51 | 1278 | unblock_input (); |
f32d4091 KS |
1279 | } |
1280 | ||
71f65669 | 1281 | static void |
41ad069b | 1282 | IT_update_end (struct frame *f) |
f32d4091 | 1283 | { |
aad3612f | 1284 | struct tty_display_info *dpyinfo = FRAME_DISPLAY_INFO (f); |
7ccd1daf EZ |
1285 | |
1286 | if (dpyinfo->termscript) | |
1287 | fprintf (dpyinfo->termscript, "\n<UPDATE_END\n"); | |
34574c02 | 1288 | dpyinfo->mouse_highlight.mouse_face_defer = 0; |
41ad069b EZ |
1289 | } |
1290 | ||
1291 | static void | |
1292 | IT_frame_up_to_date (struct frame *f) | |
1293 | { | |
0c3cfc51 EZ |
1294 | Lisp_Object new_cursor, frame_desired_cursor; |
1295 | struct window *sw; | |
41ad069b | 1296 | |
5c747675 | 1297 | FRAME_MOUSE_UPDATE (f); |
41ad069b | 1298 | |
0c3cfc51 EZ |
1299 | /* Set the cursor type to whatever they wanted. In a minibuffer |
1300 | window, we want the cursor to appear only if we are reading input | |
1301 | from this window, and we want the cursor to be taken from the | |
1302 | frame parameters. For the selected window, we use either its | |
1303 | buffer-local value or the value from the frame parameters if the | |
1304 | buffer doesn't define its local value for the cursor type. */ | |
1305 | sw = XWINDOW (f->selected_window); | |
1306 | frame_desired_cursor = Fcdr (Fassq (Qcursor_type, f->param_alist)); | |
1307 | if (cursor_in_echo_area | |
1308 | && FRAME_HAS_MINIBUF_P (f) | |
1309 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window) | |
1310 | && sw == XWINDOW (echo_area_window)) | |
1311 | new_cursor = frame_desired_cursor; | |
1312 | else | |
1313 | { | |
e74aeda8 | 1314 | struct buffer *b = XBUFFER (sw->contents); |
0c3cfc51 | 1315 | |
4b4deea2 | 1316 | if (EQ (BVAR (b,cursor_type), Qt)) |
0c3cfc51 | 1317 | new_cursor = frame_desired_cursor; |
4b4deea2 | 1318 | else if (NILP (BVAR (b, cursor_type))) /* nil means no cursor */ |
0c3cfc51 EZ |
1319 | new_cursor = Fcons (Qbar, make_number (0)); |
1320 | else | |
4b4deea2 | 1321 | new_cursor = BVAR (b, cursor_type); |
0c3cfc51 EZ |
1322 | } |
1323 | ||
1324 | IT_set_cursor_type (f, new_cursor); | |
8ba01a32 | 1325 | |
41ad069b | 1326 | IT_cmgoto (f); /* position cursor when update is done */ |
f32d4091 | 1327 | } |
1b94449f | 1328 | |
c77f6f1b EZ |
1329 | /* Copy LEN glyphs displayed on a single line whose vertical position |
1330 | is YPOS, beginning at horizontal position XFROM to horizontal | |
1331 | position XTO, by moving blocks in the video memory. Used by | |
1332 | functions that insert and delete glyphs. */ | |
1333 | static void | |
1334 | IT_copy_glyphs (int xfrom, int xto, size_t len, int ypos) | |
1335 | { | |
1336 | /* The offsets of source and destination relative to the | |
53964682 | 1337 | conventional memory selector. */ |
c77f6f1b EZ |
1338 | int from = 2 * (xfrom + screen_size_X * ypos) + ScreenPrimary; |
1339 | int to = 2 * (xto + screen_size_X * ypos) + ScreenPrimary; | |
1340 | ||
1341 | if (from == to || len <= 0) | |
1342 | return; | |
1343 | ||
1344 | _farsetsel (_dos_ds); | |
1345 | ||
1346 | /* The source and destination might overlap, so we need to move | |
1347 | glyphs non-destructively. */ | |
1348 | if (from > to) | |
1349 | { | |
1350 | for ( ; len; from += 2, to += 2, len--) | |
1351 | _farnspokew (to, _farnspeekw (from)); | |
1352 | } | |
1353 | else | |
1354 | { | |
1355 | from += (len - 1) * 2; | |
1356 | to += (len - 1) * 2; | |
1357 | for ( ; len; from -= 2, to -= 2, len--) | |
1358 | _farnspokew (to, _farnspeekw (from)); | |
1359 | } | |
1360 | if (screen_virtual_segment) | |
1361 | dosv_refresh_virtual_screen (ypos * screen_size_X * 2, screen_size_X); | |
1362 | } | |
1363 | ||
1364 | /* Insert and delete glyphs. */ | |
aa9ce936 | 1365 | static void |
3a8ce822 | 1366 | IT_insert_glyphs (struct frame *f, struct glyph *start, int len) |
aa9ce936 | 1367 | { |
c77f6f1b EZ |
1368 | int shift_by_width = screen_size_X - (new_pos_X + len); |
1369 | ||
1370 | /* Shift right the glyphs from the nominal cursor position to the | |
1371 | end of this line. */ | |
1372 | IT_copy_glyphs (new_pos_X, new_pos_X + len, shift_by_width, new_pos_Y); | |
1373 | ||
1374 | /* Now write the glyphs to be inserted. */ | |
3e1944a3 | 1375 | IT_write_glyphs (f, start, len); |
aa9ce936 EZ |
1376 | } |
1377 | ||
1378 | static void | |
3a8ce822 | 1379 | IT_delete_glyphs (struct frame *f, int n) |
aa9ce936 | 1380 | { |
1088b922 | 1381 | emacs_abort (); |
aa9ce936 EZ |
1382 | } |
1383 | ||
984f5aaa | 1384 | /* This was copied from xfaces.c */ |
3bb1f22f | 1385 | |
984f5aaa EZ |
1386 | extern Lisp_Object Qbackground_color; |
1387 | extern Lisp_Object Qforeground_color; | |
8ba01a32 | 1388 | Lisp_Object Qreverse; |
211c7152 | 1389 | extern Lisp_Object Qtitle; |
3bb1f22f | 1390 | |
48ffe371 RS |
1391 | /* IT_set_terminal_modes is called when emacs is started, |
1392 | resumed, and whenever the screen is redrawn! */ | |
f32d4091 | 1393 | |
71f65669 | 1394 | static void |
3e1944a3 | 1395 | IT_set_terminal_modes (struct terminal *term) |
f32d4091 | 1396 | { |
3e1944a3 EZ |
1397 | struct tty_display_info *tty; |
1398 | ||
1399 | /* If called with initial terminal, it's too early to do anything | |
1400 | useful. */ | |
1401 | if (term->type == output_initial) | |
1402 | return; | |
1403 | ||
1404 | tty = term->display_info.tty; | |
1405 | ||
1406 | if (tty->termscript) | |
1407 | fprintf (tty->termscript, "\n<SET_TERM>"); | |
f32d4091 KS |
1408 | |
1409 | screen_size_X = ScreenCols (); | |
1410 | screen_size_Y = ScreenRows (); | |
1411 | screen_size = screen_size_X * screen_size_Y; | |
56e19ec4 | 1412 | |
f32d4091 KS |
1413 | new_pos_X = new_pos_Y = 0; |
1414 | current_pos_X = current_pos_Y = -1; | |
1415 | ||
1416 | if (term_setup_done) | |
1417 | return; | |
1418 | term_setup_done = 1; | |
56e19ec4 | 1419 | |
f32d4091 KS |
1420 | startup_screen_size_X = screen_size_X; |
1421 | startup_screen_size_Y = screen_size_Y; | |
c9adab25 | 1422 | startup_screen_attrib = ScreenAttrib; |
f32d4091 | 1423 | |
039274cf EZ |
1424 | /* Is DOS/V (or any other RSIS software which relocates |
1425 | the screen) installed? */ | |
1426 | { | |
1427 | unsigned short es_value; | |
1428 | __dpmi_regs regs; | |
1429 | ||
1430 | regs.h.ah = 0xfe; /* get relocated screen address */ | |
1431 | if (ScreenPrimary == 0xb0000UL || ScreenPrimary == 0xb8000UL) | |
1432 | regs.x.es = (ScreenPrimary >> 4) & 0xffff; | |
1433 | else if (screen_old_address) /* already switched to Japanese mode once */ | |
1434 | regs.x.es = (screen_old_address >> 4) & 0xffff; | |
1435 | else | |
1436 | regs.x.es = ScreenMode () == 7 ? 0xb000 : 0xb800; | |
1437 | regs.x.di = 0; | |
1438 | es_value = regs.x.es; | |
1439 | __dpmi_int (0x10, ®s); | |
1440 | ||
d1d5dc19 | 1441 | if (regs.x.es != es_value) |
039274cf | 1442 | { |
d1d5dc19 EZ |
1443 | /* screen_old_address is only set if ScreenPrimary does NOT |
1444 | already point to the relocated buffer address returned by | |
1445 | the Int 10h/AX=FEh call above. DJGPP v2.02 and later sets | |
1446 | ScreenPrimary to that address at startup under DOS/V. */ | |
891ef8f7 | 1447 | if (regs.x.es != ((ScreenPrimary >> 4) & 0xffff)) |
d1d5dc19 | 1448 | screen_old_address = ScreenPrimary; |
039274cf EZ |
1449 | screen_virtual_segment = regs.x.es; |
1450 | screen_virtual_offset = regs.x.di; | |
1451 | ScreenPrimary = (screen_virtual_segment << 4) + screen_virtual_offset; | |
1452 | } | |
1453 | } | |
039274cf | 1454 | |
f32d4091 KS |
1455 | ScreenGetCursor (&startup_pos_Y, &startup_pos_X); |
1456 | ScreenRetrieve (startup_screen_buffer = xmalloc (screen_size * 2)); | |
1457 | ||
76ac1508 | 1458 | bright_bg (); |
f32d4091 KS |
1459 | } |
1460 | ||
48ffe371 RS |
1461 | /* IT_reset_terminal_modes is called when emacs is |
1462 | suspended or killed. */ | |
f32d4091 | 1463 | |
71f65669 | 1464 | static void |
3e1944a3 | 1465 | IT_reset_terminal_modes (struct terminal *term) |
f32d4091 | 1466 | { |
c9adab25 KH |
1467 | int display_row_start = (int) ScreenPrimary; |
1468 | int saved_row_len = startup_screen_size_X * 2; | |
56e19ec4 | 1469 | int update_row_len = ScreenCols () * 2, current_rows = ScreenRows (); |
c9adab25 KH |
1470 | int to_next_row = update_row_len; |
1471 | unsigned char *saved_row = startup_screen_buffer; | |
56e19ec4 | 1472 | int cursor_pos_X = ScreenCols () - 1, cursor_pos_Y = ScreenRows () - 1; |
3e1944a3 | 1473 | struct tty_display_info *tty = term->display_info.tty; |
c9adab25 | 1474 | |
3e1944a3 EZ |
1475 | if (tty->termscript) |
1476 | fprintf (tty->termscript, "\n<RESET_TERM>"); | |
f32d4091 | 1477 | |
f32d4091 KS |
1478 | if (!term_setup_done) |
1479 | return; | |
56e19ec4 | 1480 | |
c9adab25 | 1481 | mouse_off (); |
b36701cc RS |
1482 | |
1483 | /* Leave the video system in the same state as we found it, | |
1484 | as far as the blink/bright-background bit is concerned. */ | |
1485 | maybe_enable_blinking (); | |
06b1ea13 | 1486 | |
c9adab25 KH |
1487 | /* We have a situation here. |
1488 | We cannot just do ScreenUpdate(startup_screen_buffer) because | |
1489 | the luser could have changed screen dimensions inside Emacs | |
1490 | and failed (or didn't want) to restore them before killing | |
1491 | Emacs. ScreenUpdate() uses the *current* screen dimensions and | |
1492 | thus will happily use memory outside what was allocated for | |
1493 | `startup_screen_buffer'. | |
1494 | Thus we only restore as much as the current screen dimensions | |
1495 | can hold, and clear the rest (if the saved screen is smaller than | |
1496 | the current) with the color attribute saved at startup. The cursor | |
1497 | is also restored within the visible dimensions. */ | |
1498 | ||
1499 | ScreenAttrib = startup_screen_attrib; | |
c9adab25 | 1500 | |
06b1ea13 EZ |
1501 | /* Don't restore the screen if we are exiting less than 2 seconds |
1502 | after startup: we might be crashing, and the screen might show | |
1503 | some vital clues to what's wrong. */ | |
1504 | if (clock () - startup_time >= 2*CLOCKS_PER_SEC) | |
c9adab25 | 1505 | { |
06b1ea13 | 1506 | ScreenClear (); |
039274cf | 1507 | if (screen_virtual_segment) |
06b1ea13 EZ |
1508 | dosv_refresh_virtual_screen (0, screen_size); |
1509 | ||
1510 | if (update_row_len > saved_row_len) | |
1511 | update_row_len = saved_row_len; | |
1512 | if (current_rows > startup_screen_size_Y) | |
1513 | current_rows = startup_screen_size_Y; | |
1514 | ||
3e1944a3 EZ |
1515 | if (tty->termscript) |
1516 | fprintf (tty->termscript, "<SCREEN RESTORED (dimensions=%dx%d)>\n", | |
06b1ea13 EZ |
1517 | update_row_len / 2, current_rows); |
1518 | ||
1519 | while (current_rows--) | |
1520 | { | |
1521 | dosmemput (saved_row, update_row_len, display_row_start); | |
1522 | if (screen_virtual_segment) | |
1523 | dosv_refresh_virtual_screen (display_row_start - ScreenPrimary, | |
1524 | update_row_len / 2); | |
1525 | saved_row += saved_row_len; | |
1526 | display_row_start += to_next_row; | |
1527 | } | |
c9adab25 KH |
1528 | } |
1529 | if (startup_pos_X < cursor_pos_X) | |
1530 | cursor_pos_X = startup_pos_X; | |
1531 | if (startup_pos_Y < cursor_pos_Y) | |
1532 | cursor_pos_Y = startup_pos_Y; | |
1533 | ||
1534 | ScreenSetCursor (cursor_pos_Y, cursor_pos_X); | |
1535 | xfree (startup_screen_buffer); | |
3e1944a3 | 1536 | startup_screen_buffer = NULL; |
f32d4091 KS |
1537 | |
1538 | term_setup_done = 0; | |
1539 | } | |
1540 | ||
20db1522 | 1541 | /* Remember the screen colors of the current frame, to serve as the |
2d764c78 | 1542 | default colors for newly-created frames. */ |
2d764c78 EZ |
1543 | DEFUN ("msdos-remember-default-colors", Fmsdos_remember_default_colors, |
1544 | Smsdos_remember_default_colors, 1, 1, 0, | |
70da46c3 | 1545 | doc: /* Remember the screen colors of the current frame. */) |
5842a27b | 1546 | (Lisp_Object frame) |
2d764c78 | 1547 | { |
2d764c78 EZ |
1548 | struct frame *f; |
1549 | ||
b7826503 | 1550 | CHECK_FRAME (frame); |
f12dae2f | 1551 | f = XFRAME (frame); |
2d764c78 | 1552 | |
ff12cd1d EZ |
1553 | /* This function is called after applying default-frame-alist to the |
1554 | initial frame. At that time, if reverse-colors option was | |
1555 | specified in default-frame-alist, it was already applied, and | |
f12dae2f EZ |
1556 | frame colors are reversed. */ |
1557 | initial_screen_colors[0] = FRAME_FOREGROUND_PIXEL (f); | |
1558 | initial_screen_colors[1] = FRAME_BACKGROUND_PIXEL (f); | |
891ef8f7 EZ |
1559 | |
1560 | return Qnil; | |
2d764c78 EZ |
1561 | } |
1562 | ||
f32d4091 | 1563 | void |
3a8ce822 | 1564 | IT_set_frame_parameters (struct frame *f, Lisp_Object alist) |
f32d4091 KS |
1565 | { |
1566 | Lisp_Object tail; | |
56e19ec4 | 1567 | int i, j, length = XINT (Flength (alist)); |
db722735 | 1568 | Lisp_Object *parms |
663e2b3f | 1569 | = (Lisp_Object *) alloca (length * word_size); |
db722735 | 1570 | Lisp_Object *values |
663e2b3f | 1571 | = (Lisp_Object *) alloca (length * word_size); |
2d764c78 | 1572 | /* Do we have to reverse the foreground and background colors? */ |
8ba01a32 | 1573 | int reverse = EQ (Fcdr (Fassq (Qreverse, f->param_alist)), Qt); |
2d764c78 | 1574 | int redraw = 0, fg_set = 0, bg_set = 0; |
56e19ec4 | 1575 | unsigned long orig_fg, orig_bg; |
3e1944a3 | 1576 | struct tty_display_info *tty = FRAME_TTY (f); |
2d764c78 EZ |
1577 | |
1578 | /* If we are creating a new frame, begin with the original screen colors | |
1579 | used for the initial frame. */ | |
76ea4cc9 | 1580 | if (!f->default_face_done_p |
2d764c78 EZ |
1581 | && initial_screen_colors[0] != -1 && initial_screen_colors[1] != -1) |
1582 | { | |
1583 | FRAME_FOREGROUND_PIXEL (f) = initial_screen_colors[0]; | |
1584 | FRAME_BACKGROUND_PIXEL (f) = initial_screen_colors[1]; | |
f12dae2f | 1585 | init_frame_faces (f); |
76ea4cc9 | 1586 | f->default_face_done_p = 1; |
2d764c78 | 1587 | } |
76ea4cc9 EZ |
1588 | orig_fg = reverse ? FRAME_BACKGROUND_PIXEL (f) : FRAME_FOREGROUND_PIXEL (f); |
1589 | orig_bg = reverse ? FRAME_FOREGROUND_PIXEL (f) : FRAME_BACKGROUND_PIXEL (f); | |
db722735 RS |
1590 | |
1591 | /* Extract parm names and values into those vectors. */ | |
1592 | i = 0; | |
7d7bbefd | 1593 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) |
f32d4091 | 1594 | { |
34348bd4 | 1595 | Lisp_Object elt = XCAR (tail); |
db722735 | 1596 | parms[i] = Fcar (elt); |
b7826503 | 1597 | CHECK_SYMBOL (parms[i]); |
db722735 RS |
1598 | values[i] = Fcdr (elt); |
1599 | i++; | |
1600 | } | |
1601 | ||
2d764c78 | 1602 | j = i; |
db722735 | 1603 | |
2d764c78 EZ |
1604 | for (i = 0; i < j; i++) |
1605 | { | |
1e21fe48 EZ |
1606 | Lisp_Object prop, val; |
1607 | ||
1608 | prop = parms[i]; | |
1609 | val = values[i]; | |
2d764c78 | 1610 | |
8ba01a32 | 1611 | if (EQ (prop, Qreverse)) |
2d764c78 EZ |
1612 | reverse = EQ (val, Qt); |
1613 | } | |
546701f5 | 1614 | |
76ea4cc9 | 1615 | if (tty->termscript && reverse) |
3e1944a3 | 1616 | fprintf (tty->termscript, "<INVERSE-VIDEO>\n"); |
2d764c78 EZ |
1617 | |
1618 | /* Now process the alist elements in reverse of specified order. */ | |
db722735 RS |
1619 | for (i--; i >= 0; i--) |
1620 | { | |
76ea4cc9 | 1621 | Lisp_Object prop, val; |
1e21fe48 EZ |
1622 | |
1623 | prop = parms[i]; | |
1624 | val = values[i]; | |
f32d4091 | 1625 | |
4e825084 | 1626 | if (EQ (prop, Qforeground_color)) |
f32d4091 | 1627 | { |
76ea4cc9 | 1628 | unsigned long new_color = load_color (f, NULL, val, reverse |
2d764c78 EZ |
1629 | ? LFACE_BACKGROUND_INDEX |
1630 | : LFACE_FOREGROUND_INDEX); | |
3b620731 EZ |
1631 | if (new_color != FACE_TTY_DEFAULT_COLOR |
1632 | && new_color != FACE_TTY_DEFAULT_FG_COLOR | |
1633 | && new_color != FACE_TTY_DEFAULT_BG_COLOR) | |
f32d4091 | 1634 | { |
76ea4cc9 EZ |
1635 | if (!reverse) |
1636 | { | |
1637 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
1638 | /* Make sure the foreground of the default face for | |
1639 | this frame is changed as well. */ | |
1640 | update_face_from_frame_parameter (f, Qforeground_color, val); | |
1641 | fg_set = 1; | |
1642 | if (tty->termscript) | |
1643 | fprintf (tty->termscript, "<FGCOLOR %lu>\n", new_color); | |
1644 | } | |
1645 | else | |
1646 | { | |
1647 | FRAME_BACKGROUND_PIXEL (f) = new_color; | |
1648 | update_face_from_frame_parameter (f, Qbackground_color, val); | |
1649 | bg_set = 1; | |
1650 | if (tty->termscript) | |
1651 | fprintf (tty->termscript, "<BGCOLOR %lu>\n", new_color); | |
1652 | } | |
f32d4091 KS |
1653 | redraw = 1; |
1654 | } | |
1655 | } | |
4e825084 | 1656 | else if (EQ (prop, Qbackground_color)) |
f32d4091 | 1657 | { |
76ea4cc9 | 1658 | unsigned long new_color = load_color (f, NULL, val, reverse |
2d764c78 EZ |
1659 | ? LFACE_FOREGROUND_INDEX |
1660 | : LFACE_BACKGROUND_INDEX); | |
3b620731 EZ |
1661 | if (new_color != FACE_TTY_DEFAULT_COLOR |
1662 | && new_color != FACE_TTY_DEFAULT_FG_COLOR | |
1663 | && new_color != FACE_TTY_DEFAULT_BG_COLOR) | |
f32d4091 | 1664 | { |
76ea4cc9 EZ |
1665 | if (!reverse) |
1666 | { | |
1667 | FRAME_BACKGROUND_PIXEL (f) = new_color; | |
1668 | /* Make sure the background of the default face for | |
1669 | this frame is changed as well. */ | |
1670 | bg_set = 1; | |
1671 | update_face_from_frame_parameter (f, Qbackground_color, val); | |
1672 | if (tty->termscript) | |
1673 | fprintf (tty->termscript, "<BGCOLOR %lu>\n", new_color); | |
1674 | } | |
1675 | else | |
1676 | { | |
1677 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
1678 | fg_set = 1; | |
1679 | update_face_from_frame_parameter (f, Qforeground_color, val); | |
1680 | if (tty->termscript) | |
1681 | fprintf (tty->termscript, "<FGCOLOR %lu>\n", new_color); | |
1682 | } | |
f32d4091 KS |
1683 | redraw = 1; |
1684 | } | |
1685 | } | |
211c7152 EZ |
1686 | else if (EQ (prop, Qtitle)) |
1687 | { | |
1688 | x_set_title (f, val); | |
3e1944a3 EZ |
1689 | if (tty->termscript) |
1690 | fprintf (tty->termscript, "<TITLE: %s>\n", SDATA (val)); | |
211c7152 | 1691 | } |
8ba01a32 EZ |
1692 | else if (EQ (prop, Qcursor_type)) |
1693 | { | |
1694 | IT_set_cursor_type (f, val); | |
3e1944a3 EZ |
1695 | if (tty->termscript) |
1696 | fprintf (tty->termscript, "<CTYPE: %s>\n", | |
891ef8f7 EZ |
1697 | EQ (val, Qbar) |
1698 | || EQ (val, Qhbar) | |
1699 | || (CONSP (val) && (EQ (XCAR (val), Qbar) | |
1700 | || EQ (XCAR (val), Qhbar))) | |
8ba01a32 EZ |
1701 | ? "bar" : "box"); |
1702 | } | |
3e1944a3 EZ |
1703 | else if (EQ (prop, Qtty_type)) |
1704 | { | |
1705 | internal_terminal_init (); | |
1706 | if (tty->termscript) | |
1707 | fprintf (tty->termscript, "<TERM_INIT done, TTY_TYPE: %.*s>\n", | |
1708 | SBYTES (val), SDATA (val)); | |
1709 | } | |
db722735 | 1710 | store_frame_param (f, prop, val); |
2d764c78 | 1711 | } |
db722735 | 1712 | |
2d764c78 EZ |
1713 | /* If they specified "reverse", but not the colors, we need to swap |
1714 | the current frame colors. */ | |
76ea4cc9 | 1715 | if (reverse) |
2d764c78 EZ |
1716 | { |
1717 | if (!fg_set) | |
1718 | { | |
76ea4cc9 EZ |
1719 | FRAME_FOREGROUND_PIXEL (f) = orig_bg; |
1720 | update_face_from_frame_parameter (f, Qforeground_color, | |
1721 | tty_color_name (f, orig_bg)); | |
2d764c78 EZ |
1722 | redraw = 1; |
1723 | } | |
1724 | if (!bg_set) | |
1725 | { | |
76ea4cc9 EZ |
1726 | FRAME_BACKGROUND_PIXEL (f) = orig_fg; |
1727 | update_face_from_frame_parameter (f, Qbackground_color, | |
1728 | tty_color_name (f, orig_fg)); | |
2d764c78 EZ |
1729 | redraw = 1; |
1730 | } | |
f32d4091 KS |
1731 | } |
1732 | ||
1733 | if (redraw) | |
1734 | { | |
2d764c78 | 1735 | face_change_count++; /* forces xdisp.c to recompute basic faces */ |
5e617bc2 | 1736 | if (f == SELECTED_FRAME ()) |
3bb1f22f | 1737 | redraw_frame (f); |
f32d4091 KS |
1738 | } |
1739 | } | |
1740 | ||
a10c8269 | 1741 | extern void init_frame_faces (struct frame *); |
a7cf9151 | 1742 | |
f32d4091 KS |
1743 | #endif /* !HAVE_X_WINDOWS */ |
1744 | ||
1745 | ||
48ffe371 RS |
1746 | /* Do we need the internal terminal? */ |
1747 | ||
f32d4091 | 1748 | void |
3a8ce822 | 1749 | internal_terminal_init (void) |
f32d4091 | 1750 | { |
2306a735 | 1751 | static int init_needed = 1; |
56e19ec4 | 1752 | char *term = getenv ("TERM"), *colors; |
5e617bc2 | 1753 | struct frame *sf = SELECTED_FRAME (); |
3e1944a3 | 1754 | struct tty_display_info *tty; |
f32d4091 KS |
1755 | |
1756 | #ifdef HAVE_X_WINDOWS | |
1757 | if (!inhibit_window_system) | |
1758 | return; | |
1759 | #endif | |
1760 | ||
3e1944a3 EZ |
1761 | /* If this is the initial terminal, we are done here. */ |
1762 | if (sf->output_method == output_initial) | |
1763 | return; | |
1764 | ||
f32d4091 KS |
1765 | internal_terminal |
1766 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
1767 | ||
f32d4091 KS |
1768 | #ifndef HAVE_X_WINDOWS |
1769 | if (!internal_terminal || inhibit_window_system) | |
1770 | { | |
2d764c78 | 1771 | sf->output_method = output_termcap; |
f32d4091 KS |
1772 | return; |
1773 | } | |
1774 | ||
3e1944a3 | 1775 | tty = FRAME_TTY (sf); |
15dbb4d6 | 1776 | kset_window_system (current_kboard, Qpc); |
f12dae2f | 1777 | sf->output_method = output_msdos_raw; |
2306a735 | 1778 | if (init_needed) |
3e1944a3 | 1779 | { |
2306a735 EZ |
1780 | if (!tty->termscript && getenv ("EMACSTEST")) |
1781 | tty->termscript = fopen (getenv ("EMACSTEST"), "wt"); | |
1782 | if (tty->termscript) | |
1783 | { | |
1784 | time_t now = time (NULL); | |
1785 | struct tm *tnow = localtime (&now); | |
1786 | char tbuf[100]; | |
3e1944a3 | 1787 | |
2306a735 EZ |
1788 | strftime (tbuf, sizeof (tbuf) - 1, "%a %b %e %Y %H:%M:%S %Z", tnow); |
1789 | fprintf (tty->termscript, "\nEmacs session started at %s\n", tbuf); | |
1790 | fprintf (tty->termscript, "=====================\n\n"); | |
1791 | } | |
3e1944a3 | 1792 | |
2306a735 | 1793 | Vinitial_window_system = Qpc; |
23415acf | 1794 | Vwindow_system_version = make_number (24); /* RE Emacs version */ |
2306a735 | 1795 | tty->terminal->type = output_msdos_raw; |
039274cf | 1796 | |
2306a735 EZ |
1797 | /* If Emacs was dumped on DOS/V machine, forget the stale VRAM |
1798 | address. */ | |
1799 | screen_old_address = 0; | |
039274cf | 1800 | |
2306a735 EZ |
1801 | /* Forget the stale screen colors as well. */ |
1802 | initial_screen_colors[0] = initial_screen_colors[1] = -1; | |
2d764c78 | 1803 | |
2306a735 EZ |
1804 | FRAME_BACKGROUND_PIXEL (SELECTED_FRAME ()) = 7; /* White */ |
1805 | FRAME_FOREGROUND_PIXEL (SELECTED_FRAME ()) = 0; /* Black */ | |
1806 | bright_bg (); | |
1807 | colors = getenv ("EMACSCOLORS"); | |
1808 | if (colors && strlen (colors) >= 2) | |
1809 | { | |
1810 | /* The colors use 4 bits each (we enable bright background). */ | |
1811 | if (isdigit (colors[0])) | |
1812 | colors[0] -= '0'; | |
1813 | else if (isxdigit (colors[0])) | |
1814 | colors[0] -= (isupper (colors[0]) ? 'A' : 'a') - 10; | |
1815 | if (colors[0] >= 0 && colors[0] < 16) | |
1816 | FRAME_FOREGROUND_PIXEL (SELECTED_FRAME ()) = colors[0]; | |
1817 | if (isdigit (colors[1])) | |
1818 | colors[1] -= '0'; | |
1819 | else if (isxdigit (colors[1])) | |
1820 | colors[1] -= (isupper (colors[1]) ? 'A' : 'a') - 10; | |
1821 | if (colors[1] >= 0 && colors[1] < 16) | |
1822 | FRAME_BACKGROUND_PIXEL (SELECTED_FRAME ()) = colors[1]; | |
1823 | } | |
9fed9729 DA |
1824 | |
1825 | reset_mouse_highlight (&the_only_display_info.mouse_highlight); | |
2306a735 EZ |
1826 | |
1827 | if (have_mouse) /* detected in dos_ttraw, which see */ | |
1828 | { | |
1829 | have_mouse = 1; /* enable mouse */ | |
1830 | mouse_visible = 0; | |
1831 | mouse_setup_buttons (mouse_button_count); | |
1832 | tty->terminal->mouse_position_hook = &mouse_get_pos; | |
1833 | mouse_init (); | |
1834 | } | |
f32d4091 | 1835 | |
2306a735 EZ |
1836 | if (tty->termscript && screen_size) |
1837 | fprintf (tty->termscript, "<SCREEN SAVED (dimensions=%dx%d)>\n", | |
1838 | screen_size_X, screen_size_Y); | |
f32d4091 | 1839 | |
f12dae2f | 1840 | init_frame_faces (sf); |
2306a735 EZ |
1841 | init_needed = 0; |
1842 | } | |
f32d4091 KS |
1843 | #endif |
1844 | } | |
1845 | ||
3e1944a3 EZ |
1846 | void |
1847 | initialize_msdos_display (struct terminal *term) | |
1848 | { | |
1849 | term->rif = 0; /* we don't support window-based display */ | |
1850 | term->cursor_to_hook = term->raw_cursor_to_hook = IT_cursor_to; | |
1851 | term->clear_to_end_hook = IT_clear_to_end; | |
1852 | term->clear_frame_hook = IT_clear_screen; | |
1853 | term->clear_end_of_line_hook = IT_clear_end_of_line; | |
1854 | term->ins_del_lines_hook = 0; | |
1855 | term->insert_glyphs_hook = IT_insert_glyphs; | |
1856 | term->write_glyphs_hook = IT_write_glyphs; | |
1857 | term->delete_glyphs_hook = IT_delete_glyphs; | |
1858 | term->ring_bell_hook = IT_ring_bell; | |
1859 | term->reset_terminal_modes_hook = IT_reset_terminal_modes; | |
1860 | term->set_terminal_modes_hook = IT_set_terminal_modes; | |
0c7f856e | 1861 | term->set_terminal_window_hook = NULL; |
3e1944a3 EZ |
1862 | term->update_begin_hook = IT_update_begin; |
1863 | term->update_end_hook = IT_update_end; | |
1864 | term->frame_up_to_date_hook = IT_frame_up_to_date; | |
1865 | term->mouse_position_hook = 0; /* set later by dos_ttraw */ | |
cfd794af | 1866 | term->menu_show_hook = x_menu_show; |
3e1944a3 EZ |
1867 | term->frame_rehighlight_hook = 0; |
1868 | term->frame_raise_lower_hook = 0; | |
1869 | term->set_vertical_scroll_bar_hook = 0; | |
1870 | term->condemn_scroll_bars_hook = 0; | |
1871 | term->redeem_scroll_bar_hook = 0; | |
1872 | term->judge_scroll_bars_hook = 0; | |
1873 | term->read_socket_hook = &tty_read_avail_input; /* from keyboard.c */ | |
1874 | } | |
1875 | ||
3a8ce822 EZ |
1876 | int |
1877 | dos_get_saved_screen (char **screen, int *rows, int *cols) | |
f32d4091 KS |
1878 | { |
1879 | #ifndef HAVE_X_WINDOWS | |
1880 | *screen = startup_screen_buffer; | |
1881 | *cols = startup_screen_size_X; | |
1882 | *rows = startup_screen_size_Y; | |
039274cf | 1883 | return *screen != (char *)0; |
f32d4091 KS |
1884 | #else |
1885 | return 0; | |
56e19ec4 | 1886 | #endif |
f32d4091 | 1887 | } |
3bb1f22f | 1888 | |
5063b150 | 1889 | \f |
f32d4091 KS |
1890 | /* ----------------------- Keyboard control ---------------------- |
1891 | * | |
1892 | * Keymaps reflect the following keyboard layout: | |
1893 | * | |
1894 | * 0 1 2 3 4 5 6 7 8 9 10 11 12 BS | |
1895 | * TAB 15 16 17 18 19 20 21 22 23 24 25 26 (41) | |
1896 | * CLOK 30 31 32 33 34 35 36 37 38 39 40 (41) RET | |
1897 | * SH () 45 46 47 48 49 50 51 52 53 54 SHIFT | |
1898 | * SPACE | |
1899 | */ | |
1900 | ||
d1d5dc19 EZ |
1901 | #define Ignore 0x0000 |
1902 | #define Normal 0x0000 /* normal key - alt changes scan-code */ | |
1903 | #define FctKey 0x1000 /* func key if c == 0, else c */ | |
1904 | #define Special 0x2000 /* func key even if c != 0 */ | |
1905 | #define ModFct 0x3000 /* special if mod-keys, else 'c' */ | |
1906 | #define Map 0x4000 /* alt scan-code, map to unshift/shift key */ | |
1907 | #define KeyPad 0x5000 /* map to insert/kp-0 depending on c == 0xe0 */ | |
1908 | #define Grey 0x6000 /* Grey keypad key */ | |
1909 | ||
1910 | #define Alt 0x0100 /* alt scan-code */ | |
1911 | #define Ctrl 0x0200 /* ctrl scan-code */ | |
1912 | #define Shift 0x0400 /* shift scan-code */ | |
1913 | ||
db9cd97a | 1914 | static int extended_kbd; /* 101 (102) keyboard present. */ |
f32d4091 | 1915 | |
d1d5dc19 EZ |
1916 | struct kbd_translate { |
1917 | unsigned char sc; | |
1918 | unsigned char ch; | |
1919 | unsigned short code; | |
1920 | }; | |
1921 | ||
f32d4091 KS |
1922 | struct dos_keyboard_map |
1923 | { | |
1924 | char *unshifted; | |
1925 | char *shifted; | |
1926 | char *alt_gr; | |
d1d5dc19 | 1927 | struct kbd_translate *translate_table; |
f32d4091 KS |
1928 | }; |
1929 | ||
1930 | ||
1931 | static struct dos_keyboard_map us_keyboard = { | |
1932 | /* 0 1 2 3 4 5 */ | |
d26e478e EZ |
1933 | /* 01234567890123456789012345678901234567890 123 45678901234 */ |
1934 | "`1234567890-= qwertyuiop[] asdfghjkl;'\\ \\zxcvbnm,./ ", | |
f32d4091 | 1935 | /* 0123456789012345678901234567890123456789 012345678901234 */ |
d26e478e | 1936 | "~!@#$%^&*()_+ QWERTYUIOP{} ASDFGHJKL:\"| |ZXCVBNM<>? ", |
d1d5dc19 EZ |
1937 | 0, /* no Alt-Gr key */ |
1938 | 0 /* no translate table */ | |
f32d4091 KS |
1939 | }; |
1940 | ||
1941 | static struct dos_keyboard_map fr_keyboard = { | |
1942 | /* 0 1 2 3 4 5 */ | |
1943 | /* 012 3456789012345678901234567890123456789012345678901234 */ | |
d26e478e | 1944 |