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c6a6499f | 1 | /* MS-DOS specific C utilities. -*- coding: raw-text -*- |
95df8112 GM |
2 | |
3 | Copyright (C) 1993-1997, 1999-2011 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 | |
1b94449f RS |
23 | /* Note: some of the stuff here was taken from end of sysdep.c in demacs. */ |
24 | ||
48984716 | 25 | #include <config.h> |
1b94449f RS |
26 | |
27 | #ifdef MSDOS | |
d7306fe6 | 28 | #include <setjmp.h> |
1b94449f RS |
29 | #include "lisp.h" |
30 | #include <stdio.h> | |
06b1ea13 | 31 | #include <time.h> |
1b94449f RS |
32 | #include <sys/param.h> |
33 | #include <sys/time.h> | |
34 | #include <dos.h> | |
d21e67b5 RS |
35 | #include <errno.h> |
36 | #include <sys/stat.h> /* for _fixpath */ | |
a7cf9151 | 37 | #include <unistd.h> /* for chdir, dup, dup2, etc. */ |
bf794306 | 38 | #include <dir.h> /* for getdisk */ |
affa509c | 39 | #pragma pack(0) /* dir.h does a pack(4), which isn't GCC's default */ |
1bd7b2c7 | 40 | #include <fcntl.h> |
a7cf9151 | 41 | #include <io.h> /* for setmode */ |
fc171623 KH |
42 | #include <dpmi.h> /* for __dpmi_xxx stuff */ |
43 | #include <sys/farptr.h> /* for _farsetsel, _farnspokeb */ | |
d21e67b5 | 44 | #include <libc/dosio.h> /* for _USE_LFN */ |
a7cf9151 | 45 | #include <conio.h> /* for cputs */ |
1bd7b2c7 | 46 | |
1b94449f RS |
47 | #include "msdos.h" |
48 | #include "systime.h" | |
3e1944a3 | 49 | #include "frame.h" |
1b94449f | 50 | #include "termhooks.h" |
aa9ce936 | 51 | #include "termchar.h" |
87485d6f | 52 | #include "dispextern.h" |
c77f6f1b | 53 | #include "dosfns.h" |
87485d6f | 54 | #include "termopts.h" |
83be827a | 55 | #include "character.h" |
aa9ce936 EZ |
56 | #include "coding.h" |
57 | #include "disptab.h" | |
87485d6f | 58 | #include "window.h" |
fc171623 KH |
59 | #include "buffer.h" |
60 | #include "commands.h" | |
41ad069b | 61 | #include "blockinput.h" |
97dd288b | 62 | #include "keyboard.h" |
6b61353c | 63 | #include "intervals.h" |
1b94449f RS |
64 | #include <go32.h> |
65 | #include <pc.h> | |
66 | #include <ctype.h> | |
67 | /* #include <process.h> */ | |
891ef8f7 EZ |
68 | /* Damn that local process.h! Instead we can define P_WAIT and |
69 | spawnve ourselves. */ | |
1b94449f | 70 | #define P_WAIT 1 |
891ef8f7 | 71 | extern int spawnve (int, const char *, char *const [], char *const []); |
1b94449f | 72 | |
d21e67b5 RS |
73 | #ifndef _USE_LFN |
74 | #define _USE_LFN 0 | |
75 | #endif | |
76 | ||
b36701cc RS |
77 | #ifndef _dos_ds |
78 | #define _dos_ds _go32_info_block.selector_for_linear_memory | |
79 | #endif | |
80 | ||
8748735b | 81 | #include <signal.h> |
417a04bb | 82 | #include "syssignal.h" |
8748735b | 83 | |
7c106b1e EZ |
84 | #include "careadlinkat.h" |
85 | #include "allocator.h" | |
86 | ||
1bd7b2c7 RS |
87 | #ifndef SYSTEM_MALLOC |
88 | ||
89 | #ifdef GNU_MALLOC | |
90 | ||
91 | /* If other `malloc' than ours is used, force our `sbrk' behave like | |
92 | Unix programs expect (resize memory blocks to keep them contiguous). | |
93 | If `sbrk' from `ralloc.c' is NOT used, also zero-out sbrk'ed memory, | |
94 | because that's what `gmalloc' expects to get. */ | |
95 | #include <crt0.h> | |
96 | ||
97 | #ifdef REL_ALLOC | |
98 | int _crt0_startup_flags = _CRT0_FLAG_UNIX_SBRK; | |
99 | #else /* not REL_ALLOC */ | |
100 | int _crt0_startup_flags = (_CRT0_FLAG_UNIX_SBRK | _CRT0_FLAG_FILL_SBRK_MEMORY); | |
101 | #endif /* not REL_ALLOC */ | |
102 | #endif /* GNU_MALLOC */ | |
103 | ||
104 | #endif /* not SYSTEM_MALLOC */ | |
aee81730 RS |
105 | |
106 | static unsigned long | |
3a8ce822 | 107 | event_timestamp (void) |
aee81730 RS |
108 | { |
109 | struct time t; | |
110 | unsigned long s; | |
56e19ec4 | 111 | |
aee81730 RS |
112 | gettime (&t); |
113 | s = t.ti_min; | |
114 | s *= 60; | |
115 | s += t.ti_sec; | |
116 | s *= 1000; | |
117 | s += t.ti_hund * 10; | |
56e19ec4 | 118 | |
aee81730 RS |
119 | return s; |
120 | } | |
121 | ||
f32d4091 KS |
122 | \f |
123 | /* ------------------------ Mouse control --------------------------- | |
124 | * | |
125 | * Coordinates are in screen positions and zero based. | |
126 | * Mouse buttons are numbered from left to right and also zero based. | |
127 | */ | |
1b94449f | 128 | |
0c3cfc51 EZ |
129 | /* This used to be in termhooks.h, but mainstream Emacs code no longer |
130 | uses it, and it was removed... */ | |
131 | #define NUM_MOUSE_BUTTONS (5) | |
132 | ||
f32d4091 KS |
133 | int have_mouse; /* 0: no, 1: enabled, -1: disabled */ |
134 | static int mouse_visible; | |
1b94449f | 135 | |
f32d4091 KS |
136 | static int mouse_last_x; |
137 | static int mouse_last_y; | |
1b94449f | 138 | |
f32d4091 KS |
139 | static int mouse_button_translate[NUM_MOUSE_BUTTONS]; |
140 | static int mouse_button_count; | |
1b94449f | 141 | |
f32d4091 | 142 | void |
3a8ce822 | 143 | mouse_on (void) |
1b94449f | 144 | { |
1b94449f | 145 | union REGS regs; |
1b94449f | 146 | |
f32d4091 | 147 | if (have_mouse > 0 && !mouse_visible) |
1b94449f | 148 | { |
3e1944a3 EZ |
149 | struct tty_display_info *tty = CURTTY (); |
150 | ||
151 | if (tty->termscript) | |
152 | fprintf (tty->termscript, "<M_ON>"); | |
f32d4091 KS |
153 | regs.x.ax = 0x0001; |
154 | int86 (0x33, ®s, ®s); | |
155 | mouse_visible = 1; | |
1b94449f | 156 | } |
1b94449f RS |
157 | } |
158 | ||
f32d4091 | 159 | void |
3a8ce822 | 160 | mouse_off (void) |
1b94449f | 161 | { |
f32d4091 | 162 | union REGS regs; |
1b94449f | 163 | |
f32d4091 | 164 | if (have_mouse > 0 && mouse_visible) |
1b94449f | 165 | { |
3e1944a3 EZ |
166 | struct tty_display_info *tty = CURTTY (); |
167 | ||
168 | if (tty->termscript) | |
169 | fprintf (tty->termscript, "<M_OFF>"); | |
f32d4091 KS |
170 | regs.x.ax = 0x0002; |
171 | int86 (0x33, ®s, ®s); | |
172 | mouse_visible = 0; | |
1b94449f | 173 | } |
1b94449f RS |
174 | } |
175 | ||
8f190436 EZ |
176 | static void |
177 | mouse_setup_buttons (int n_buttons) | |
178 | { | |
179 | if (n_buttons == 3) | |
180 | { | |
181 | mouse_button_count = 3; | |
182 | mouse_button_translate[0] = 0; /* Left */ | |
183 | mouse_button_translate[1] = 2; /* Middle */ | |
184 | mouse_button_translate[2] = 1; /* Right */ | |
185 | } | |
186 | else /* two, what else? */ | |
187 | { | |
188 | mouse_button_count = 2; | |
189 | mouse_button_translate[0] = 0; | |
190 | mouse_button_translate[1] = 1; | |
191 | } | |
192 | } | |
193 | ||
194 | DEFUN ("msdos-set-mouse-buttons", Fmsdos_set_mouse_buttons, Smsdos_set_mouse_buttons, | |
195 | 1, 1, "NSet number of mouse buttons to: ", | |
70da46c3 PJ |
196 | doc: /* Set the number of mouse buttons to use by Emacs. |
197 | This is useful with mice that report the number of buttons inconsistently, | |
198 | e.g., if the number of buttons is reported as 3, but Emacs only sees 2 of | |
199 | them. This happens with wheeled mice on Windows 9X, for example. */) | |
5842a27b | 200 | (Lisp_Object nbuttons) |
8f190436 | 201 | { |
e7522695 EZ |
202 | int n; |
203 | ||
b7826503 | 204 | CHECK_NUMBER (nbuttons); |
e7522695 EZ |
205 | n = XINT (nbuttons); |
206 | if (n < 2 || n > 3) | |
ebe061ca KS |
207 | xsignal2 (Qargs_out_of_range, |
208 | build_string ("only 2 or 3 mouse buttons are supported"), | |
209 | nbuttons); | |
e7522695 | 210 | mouse_setup_buttons (n); |
8f190436 EZ |
211 | return Qnil; |
212 | } | |
213 | ||
211c7152 EZ |
214 | static void |
215 | mouse_get_xy (int *x, int *y) | |
216 | { | |
217 | union REGS regs; | |
218 | ||
219 | regs.x.ax = 0x0003; | |
220 | int86 (0x33, ®s, ®s); | |
221 | *x = regs.x.cx / 8; | |
222 | *y = regs.x.dx / 8; | |
223 | } | |
224 | ||
f32d4091 | 225 | void |
3a8ce822 | 226 | mouse_moveto (int x, int y) |
1b94449f | 227 | { |
f32d4091 | 228 | union REGS regs; |
3e1944a3 | 229 | struct tty_display_info *tty = CURTTY (); |
1b94449f | 230 | |
3e1944a3 EZ |
231 | if (tty->termscript) |
232 | fprintf (tty->termscript, "<M_XY=%dx%d>", x, y); | |
f32d4091 KS |
233 | regs.x.ax = 0x0004; |
234 | mouse_last_x = regs.x.cx = x * 8; | |
235 | mouse_last_y = regs.x.dx = y * 8; | |
236 | int86 (0x33, ®s, ®s); | |
1b94449f RS |
237 | } |
238 | ||
f32d4091 | 239 | static int |
3a8ce822 | 240 | mouse_pressed (int b, int *xp, int *yp) |
1b94449f | 241 | { |
f32d4091 | 242 | union REGS regs; |
1b94449f | 243 | |
f32d4091 KS |
244 | if (b >= mouse_button_count) |
245 | return 0; | |
246 | regs.x.ax = 0x0005; | |
247 | regs.x.bx = mouse_button_translate[b]; | |
248 | int86 (0x33, ®s, ®s); | |
249 | if (regs.x.bx) | |
250 | *xp = regs.x.cx / 8, *yp = regs.x.dx / 8; | |
251 | return (regs.x.bx != 0); | |
1b94449f RS |
252 | } |
253 | ||
f32d4091 | 254 | static int |
3a8ce822 | 255 | mouse_released (int b, int *xp, int *yp) |
1b94449f RS |
256 | { |
257 | union REGS regs; | |
258 | ||
f32d4091 KS |
259 | if (b >= mouse_button_count) |
260 | return 0; | |
261 | regs.x.ax = 0x0006; | |
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 | ||
0c7bc1aa | 269 | static int |
3a8ce822 | 270 | mouse_button_depressed (int b, int *xp, int *yp) |
0c7bc1aa EZ |
271 | { |
272 | union REGS regs; | |
273 | ||
274 | if (b >= mouse_button_count) | |
275 | return 0; | |
276 | regs.x.ax = 0x0003; | |
277 | int86 (0x33, ®s, ®s); | |
278 | if ((regs.x.bx & (1 << mouse_button_translate[b])) != 0) | |
279 | { | |
280 | *xp = regs.x.cx / 8; | |
281 | *yp = regs.x.dx / 8; | |
282 | return 1; | |
283 | } | |
284 | return 0; | |
285 | } | |
286 | ||
f32d4091 | 287 | void |
3a8ce822 EZ |
288 | mouse_get_pos (FRAME_PTR *f, int insist, Lisp_Object *bar_window, |
289 | enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y, | |
9fbd6841 | 290 | Time *time) |
f32d4091 KS |
291 | { |
292 | int ix, iy; | |
211c7152 EZ |
293 | Lisp_Object frame, tail; |
294 | ||
295 | /* Clear the mouse-moved flag for every frame on this display. */ | |
296 | FOR_EACH_FRAME (tail, frame) | |
297 | XFRAME (frame)->mouse_moved = 0; | |
f32d4091 | 298 | |
2d764c78 | 299 | *f = SELECTED_FRAME(); |
f32d4091 KS |
300 | *bar_window = Qnil; |
301 | mouse_get_xy (&ix, &iy); | |
f32d4091 | 302 | *time = event_timestamp (); |
211c7152 EZ |
303 | *x = make_number (mouse_last_x = ix); |
304 | *y = make_number (mouse_last_y = iy); | |
f32d4091 | 305 | } |
1b94449f | 306 | |
f32d4091 | 307 | static void |
3a8ce822 | 308 | mouse_check_moved (void) |
1b94449f | 309 | { |
aee81730 | 310 | int x, y; |
1b94449f | 311 | |
f32d4091 | 312 | mouse_get_xy (&x, &y); |
2d764c78 | 313 | SELECTED_FRAME()->mouse_moved |= (x != mouse_last_x || y != mouse_last_y); |
f32d4091 KS |
314 | mouse_last_x = x; |
315 | mouse_last_y = y; | |
316 | } | |
1b94449f | 317 | |
97dd288b EZ |
318 | /* Force the mouse driver to ``forget'' about any button clicks until |
319 | now. */ | |
320 | static void | |
321 | mouse_clear_clicks (void) | |
322 | { | |
323 | int b; | |
324 | ||
325 | for (b = 0; b < mouse_button_count; b++) | |
326 | { | |
327 | int dummy_x, dummy_y; | |
328 | ||
329 | (void) mouse_pressed (b, &dummy_x, &dummy_y); | |
330 | (void) mouse_released (b, &dummy_x, &dummy_y); | |
331 | } | |
332 | } | |
333 | ||
f32d4091 | 334 | void |
3a8ce822 | 335 | mouse_init (void) |
f32d4091 KS |
336 | { |
337 | union REGS regs; | |
3e1944a3 | 338 | struct tty_display_info *tty = CURTTY (); |
647c32eb | 339 | |
3e1944a3 EZ |
340 | if (tty->termscript) |
341 | fprintf (tty->termscript, "<M_INIT>"); | |
1b94449f | 342 | |
f32d4091 KS |
343 | regs.x.ax = 0x0021; |
344 | int86 (0x33, ®s, ®s); | |
091d0bdf | 345 | |
0c7bc1aa EZ |
346 | /* Reset the mouse last press/release info. It seems that Windows |
347 | doesn't do that automatically when function 21h is called, which | |
348 | causes Emacs to ``remember'' the click that switched focus to the | |
349 | window just before Emacs was started from that window. */ | |
97dd288b | 350 | mouse_clear_clicks (); |
0c7bc1aa | 351 | |
f32d4091 KS |
352 | regs.x.ax = 0x0007; |
353 | regs.x.cx = 0; | |
354 | regs.x.dx = 8 * (ScreenCols () - 1); | |
355 | int86 (0x33, ®s, ®s); | |
1b94449f | 356 | |
f32d4091 KS |
357 | regs.x.ax = 0x0008; |
358 | regs.x.cx = 0; | |
359 | regs.x.dx = 8 * (ScreenRows () - 1); | |
360 | int86 (0x33, ®s, ®s); | |
1b94449f | 361 | |
f32d4091 KS |
362 | mouse_moveto (0, 0); |
363 | mouse_visible = 0; | |
364 | } | |
3eb1dbb6 | 365 | \f |
f32d4091 KS |
366 | /* ------------------------- Screen control ---------------------- |
367 | * | |
368 | */ | |
aee81730 | 369 | |
f32d4091 | 370 | static int internal_terminal = 0; |
aee81730 | 371 | |
f32d4091 KS |
372 | #ifndef HAVE_X_WINDOWS |
373 | extern unsigned char ScreenAttrib; | |
374 | static int screen_face; | |
aee81730 | 375 | |
f32d4091 KS |
376 | static int screen_size_X; |
377 | static int screen_size_Y; | |
378 | static int screen_size; | |
1b94449f | 379 | |
f32d4091 KS |
380 | static int current_pos_X; |
381 | static int current_pos_Y; | |
382 | static int new_pos_X; | |
383 | static int new_pos_Y; | |
1b94449f | 384 | |
f32d4091 KS |
385 | static void *startup_screen_buffer; |
386 | static int startup_screen_size_X; | |
387 | static int startup_screen_size_Y; | |
388 | static int startup_pos_X; | |
389 | static int startup_pos_Y; | |
c9adab25 | 390 | static unsigned char startup_screen_attrib; |
1b94449f | 391 | |
06b1ea13 EZ |
392 | static clock_t startup_time; |
393 | ||
f32d4091 | 394 | static int term_setup_done; |
1b94449f | 395 | |
8ba01a32 EZ |
396 | static unsigned short outside_cursor; |
397 | ||
f32d4091 | 398 | /* Similar to the_only_frame. */ |
3e1944a3 | 399 | struct tty_display_info the_only_display_info; |
1b94449f | 400 | |
039274cf EZ |
401 | /* Support for DOS/V (allows Japanese characters to be displayed on |
402 | standard, non-Japanese, ATs). Only supported for DJGPP v2 and later. */ | |
403 | ||
404 | /* Holds the address of the text-mode screen buffer. */ | |
405 | static unsigned long screen_old_address = 0; | |
406 | /* Segment and offset of the virtual screen. If 0, DOS/V is NOT loaded. */ | |
407 | static unsigned short screen_virtual_segment = 0; | |
408 | static unsigned short screen_virtual_offset = 0; | |
6b61353c KH |
409 | extern Lisp_Object Qcursor_type; |
410 | extern Lisp_Object Qbar, Qhbar; | |
8ba01a32 | 411 | |
9ccf54e9 | 412 | /* The screen colors of the current frame, which serve as the default |
deece6f5 EZ |
413 | colors for newly-created frames. */ |
414 | static int initial_screen_colors[2]; | |
415 | ||
039274cf EZ |
416 | /* Update the screen from a part of relocated DOS/V screen buffer which |
417 | begins at OFFSET and includes COUNT characters. */ | |
418 | static void | |
419 | dosv_refresh_virtual_screen (int offset, int count) | |
420 | { | |
421 | __dpmi_regs regs; | |
422 | ||
9ab8560d | 423 | if (offset < 0 || count < 0) /* paranoia; invalid values crash DOS/V */ |
40437cf5 EZ |
424 | return; |
425 | ||
039274cf EZ |
426 | regs.h.ah = 0xff; /* update relocated screen */ |
427 | regs.x.es = screen_virtual_segment; | |
428 | regs.x.di = screen_virtual_offset + offset; | |
429 | regs.x.cx = count; | |
430 | __dpmi_int (0x10, ®s); | |
431 | } | |
039274cf | 432 | |
d1d5dc19 | 433 | static void |
3a8ce822 | 434 | dos_direct_output (int y, int x, char *buf, int len) |
1b94449f | 435 | { |
40437cf5 EZ |
436 | int t0 = 2 * (x + y * screen_size_X); |
437 | int t = t0 + (int) ScreenPrimary; | |
039274cf | 438 | int l0 = len; |
fc171623 | 439 | |
fc171623 KH |
440 | /* This is faster. */ |
441 | for (_farsetsel (_dos_ds); --len >= 0; t += 2, buf++) | |
442 | _farnspokeb (t, *buf); | |
039274cf EZ |
443 | |
444 | if (screen_virtual_segment) | |
445 | dosv_refresh_virtual_screen (t0, l0); | |
f32d4091 KS |
446 | } |
447 | #endif | |
448 | ||
449 | #ifndef HAVE_X_WINDOWS | |
450 | ||
b36701cc RS |
451 | static int blink_bit = -1; /* the state of the blink bit at startup */ |
452 | ||
76ac1508 RS |
453 | /* Enable bright background colors. */ |
454 | static void | |
455 | bright_bg (void) | |
456 | { | |
457 | union REGS regs; | |
458 | ||
b36701cc RS |
459 | /* Remember the original state of the blink/bright-background bit. |
460 | It is stored at 0040:0065h in the BIOS data area. */ | |
461 | if (blink_bit == -1) | |
462 | blink_bit = (_farpeekb (_dos_ds, 0x465) & 0x20) == 0x20; | |
463 | ||
76ac1508 RS |
464 | regs.h.bl = 0; |
465 | regs.x.ax = 0x1003; | |
466 | int86 (0x10, ®s, ®s); | |
467 | } | |
468 | ||
b36701cc RS |
469 | /* Disable bright background colors (and enable blinking) if we found |
470 | the video system in that state at startup. */ | |
471 | static void | |
472 | maybe_enable_blinking (void) | |
473 | { | |
474 | if (blink_bit == 1) | |
475 | { | |
476 | union REGS regs; | |
477 | ||
478 | regs.h.bl = 1; | |
479 | regs.x.ax = 0x1003; | |
480 | int86 (0x10, ®s, ®s); | |
481 | } | |
482 | } | |
483 | ||
8ba01a32 EZ |
484 | /* Return non-zero if the system has a VGA adapter. */ |
485 | static int | |
486 | vga_installed (void) | |
487 | { | |
488 | union REGS regs; | |
489 | ||
490 | regs.x.ax = 0x1a00; | |
491 | int86 (0x10, ®s, ®s); | |
492 | if (regs.h.al == 0x1a && regs.h.bl > 5 && regs.h.bl < 13) | |
493 | return 1; | |
494 | return 0; | |
495 | } | |
496 | ||
4a96d4d2 KH |
497 | /* Set the screen dimensions so that it can show no less than |
498 | ROWS x COLS frame. */ | |
48ffe371 | 499 | |
4a96d4d2 | 500 | void |
3a8ce822 | 501 | dos_set_window_size (int *rows, int *cols) |
4a96d4d2 KH |
502 | { |
503 | char video_name[30]; | |
4a96d4d2 | 504 | union REGS regs; |
56e19ec4 EZ |
505 | Lisp_Object video_mode; |
506 | int video_mode_value, have_vga = 0; | |
4a96d4d2 KH |
507 | int current_rows = ScreenRows (), current_cols = ScreenCols (); |
508 | ||
509 | if (*rows == current_rows && *cols == current_cols) | |
510 | return; | |
511 | ||
4a96d4d2 | 512 | mouse_off (); |
8ba01a32 | 513 | have_vga = vga_installed (); |
4a96d4d2 | 514 | |
48ffe371 | 515 | /* If the user specified a special video mode for these dimensions, |
4a96d4d2 KH |
516 | use that mode. */ |
517 | sprintf (video_name, "screen-dimensions-%dx%d", *rows, *cols); | |
d16bdfc3 | 518 | video_mode = Fsymbol_value (Fintern_soft (build_string (video_name), Qnil)); |
4a96d4d2 KH |
519 | |
520 | if (INTEGERP (video_mode) | |
521 | && (video_mode_value = XINT (video_mode)) > 0) | |
522 | { | |
523 | regs.x.ax = video_mode_value; | |
524 | int86 (0x10, ®s, ®s); | |
48ffe371 RS |
525 | |
526 | if (have_mouse) | |
527 | { | |
528 | /* Must hardware-reset the mouse, or else it won't update | |
529 | its notion of screen dimensions for some non-standard | |
530 | video modes. This is *painfully* slow... */ | |
531 | regs.x.ax = 0; | |
532 | int86 (0x33, ®s, ®s); | |
533 | } | |
4a96d4d2 KH |
534 | } |
535 | ||
536 | /* Find one of the dimensions supported by standard EGA/VGA | |
537 | which gives us at least the required dimensions. */ | |
4a96d4d2 KH |
538 | else |
539 | { | |
540 | static struct { | |
56e19ec4 | 541 | int rows, need_vga; |
4a96d4d2 KH |
542 | } std_dimension[] = { |
543 | {25, 0}, | |
544 | {28, 1}, | |
545 | {35, 0}, | |
546 | {40, 1}, | |
547 | {43, 0}, | |
548 | {50, 1} | |
549 | }; | |
550 | int i = 0; | |
551 | ||
552 | while (i < sizeof (std_dimension) / sizeof (std_dimension[0])) | |
553 | { | |
554 | if (std_dimension[i].need_vga <= have_vga | |
555 | && std_dimension[i].rows >= *rows) | |
556 | { | |
557 | if (std_dimension[i].rows != current_rows | |
558 | || *cols != current_cols) | |
48ffe371 | 559 | _set_screen_lines (std_dimension[i].rows); |
4a96d4d2 KH |
560 | break; |
561 | } | |
48ffe371 | 562 | i++; |
4a96d4d2 KH |
563 | } |
564 | } | |
565 | ||
4a96d4d2 KH |
566 | |
567 | if (have_mouse) | |
568 | { | |
4a96d4d2 KH |
569 | mouse_init (); |
570 | mouse_on (); | |
571 | } | |
572 | ||
573 | /* Tell the caller what dimensions have been REALLY set. */ | |
574 | *rows = ScreenRows (); | |
575 | *cols = ScreenCols (); | |
76ac1508 | 576 | |
bed43f1d EZ |
577 | /* Update Emacs' notion of screen dimensions. */ |
578 | screen_size_X = *cols; | |
579 | screen_size_Y = *rows; | |
580 | screen_size = *cols * *rows; | |
581 | ||
41ad069b EZ |
582 | /* If the dimensions changed, the mouse highlight info is invalid. */ |
583 | if (current_rows != *rows || current_cols != *cols) | |
584 | { | |
585 | struct frame *f = SELECTED_FRAME(); | |
34574c02 EZ |
586 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f); |
587 | Lisp_Object window = hlinfo->mouse_face_window; | |
41ad069b EZ |
588 | |
589 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
590 | { | |
34574c02 EZ |
591 | hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1; |
592 | hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1; | |
593 | hlinfo->mouse_face_window = Qnil; | |
41ad069b EZ |
594 | } |
595 | } | |
41ad069b | 596 | |
76ac1508 RS |
597 | /* Enable bright background colors. */ |
598 | bright_bg (); | |
039274cf EZ |
599 | |
600 | /* FIXME: I'm not sure the above will run at all on DOS/V. But let's | |
601 | be defensive anyway. */ | |
602 | if (screen_virtual_segment) | |
603 | dosv_refresh_virtual_screen (0, *cols * *rows); | |
4a96d4d2 KH |
604 | } |
605 | ||
48ffe371 RS |
606 | /* If we write a character in the position where the mouse is, |
607 | the mouse cursor may need to be refreshed. */ | |
09e2ac30 RS |
608 | |
609 | static void | |
3a8ce822 | 610 | mouse_off_maybe (void) |
09e2ac30 | 611 | { |
f32d4091 | 612 | int x, y; |
56e19ec4 | 613 | |
f32d4091 KS |
614 | if (!mouse_visible) |
615 | return; | |
56e19ec4 | 616 | |
f32d4091 KS |
617 | mouse_get_xy (&x, &y); |
618 | if (y != new_pos_Y || x < new_pos_X) | |
619 | return; | |
56e19ec4 | 620 | |
f32d4091 KS |
621 | mouse_off (); |
622 | } | |
623 | ||
8ba01a32 EZ |
624 | #define DEFAULT_CURSOR_START (-1) |
625 | #define DEFAULT_CURSOR_WIDTH (-1) | |
626 | #define BOX_CURSOR_WIDTH (-32) | |
627 | ||
628 | /* Set cursor to begin at scan line START_LINE in the character cell | |
629 | and extend for WIDTH scan lines. Scan lines are counted from top | |
630 | of the character cell, starting from zero. */ | |
631 | static void | |
632 | msdos_set_cursor_shape (struct frame *f, int start_line, int width) | |
633 | { | |
8ba01a32 EZ |
634 | unsigned desired_cursor; |
635 | __dpmi_regs regs; | |
636 | int max_line, top_line, bot_line; | |
3e1944a3 | 637 | struct tty_display_info *tty = FRAME_TTY (f); |
8ba01a32 EZ |
638 | |
639 | /* Avoid the costly BIOS call if F isn't the currently selected | |
640 | frame. Allow for NULL as unconditionally meaning the selected | |
641 | frame. */ | |
642 | if (f && f != SELECTED_FRAME()) | |
643 | return; | |
644 | ||
3e1944a3 EZ |
645 | if (tty->termscript) |
646 | fprintf (tty->termscript, "\nCURSOR SHAPE=(%d,%d)", start_line, width); | |
b106731c | 647 | |
8ba01a32 EZ |
648 | /* The character cell size in scan lines is stored at 40:85 in the |
649 | BIOS data area. */ | |
650 | max_line = _farpeekw (_dos_ds, 0x485) - 1; | |
651 | switch (max_line) | |
652 | { | |
653 | default: /* this relies on CGA cursor emulation being ON! */ | |
654 | case 7: | |
655 | bot_line = 7; | |
656 | break; | |
657 | case 9: | |
658 | bot_line = 9; | |
659 | break; | |
660 | case 13: | |
661 | bot_line = 12; | |
662 | break; | |
663 | case 15: | |
664 | bot_line = 14; | |
665 | break; | |
666 | } | |
667 | ||
668 | if (width < 0) | |
669 | { | |
670 | if (width == BOX_CURSOR_WIDTH) | |
671 | { | |
672 | top_line = 0; | |
673 | bot_line = max_line; | |
674 | } | |
675 | else if (start_line != DEFAULT_CURSOR_START) | |
676 | { | |
677 | top_line = start_line; | |
678 | bot_line = top_line - width - 1; | |
679 | } | |
680 | else if (width != DEFAULT_CURSOR_WIDTH) | |
681 | { | |
682 | top_line = 0; | |
683 | bot_line = -1 - width; | |
684 | } | |
685 | else | |
686 | top_line = bot_line + 1; | |
687 | } | |
688 | else if (width == 0) | |
689 | { | |
690 | /* [31, 0] seems to DTRT for all screen sizes. */ | |
691 | top_line = 31; | |
692 | bot_line = 0; | |
693 | } | |
694 | else /* WIDTH is positive */ | |
695 | { | |
696 | if (start_line != DEFAULT_CURSOR_START) | |
697 | bot_line = start_line; | |
698 | top_line = bot_line - (width - 1); | |
699 | } | |
700 | ||
701 | /* If the current cursor shape is already what they want, we are | |
702 | history here. */ | |
703 | desired_cursor = ((top_line & 0x1f) << 8) | (bot_line & 0x1f); | |
704 | if (desired_cursor == _farpeekw (_dos_ds, 0x460)) | |
705 | return; | |
706 | ||
707 | regs.h.ah = 1; | |
708 | regs.x.cx = desired_cursor; | |
709 | __dpmi_int (0x10, ®s); | |
8ba01a32 EZ |
710 | } |
711 | ||
712 | static void | |
713 | IT_set_cursor_type (struct frame *f, Lisp_Object cursor_type) | |
714 | { | |
a0738471 | 715 | if (EQ (cursor_type, Qbar) || EQ (cursor_type, Qhbar)) |
8ba01a32 EZ |
716 | { |
717 | /* Just BAR means the normal EGA/VGA cursor. */ | |
718 | msdos_set_cursor_shape (f, DEFAULT_CURSOR_START, DEFAULT_CURSOR_WIDTH); | |
719 | } | |
a0738471 EZ |
720 | else if (CONSP (cursor_type) |
721 | && (EQ (XCAR (cursor_type), Qbar) | |
722 | || EQ (XCAR (cursor_type), Qhbar))) | |
8ba01a32 EZ |
723 | { |
724 | Lisp_Object bar_parms = XCDR (cursor_type); | |
725 | int width; | |
726 | ||
727 | if (INTEGERP (bar_parms)) | |
728 | { | |
729 | /* Feature: negative WIDTH means cursor at the top | |
730 | of the character cell, zero means invisible cursor. */ | |
731 | width = XINT (bar_parms); | |
732 | msdos_set_cursor_shape (f, width >= 0 ? DEFAULT_CURSOR_START : 0, | |
733 | width); | |
734 | } | |
735 | else if (CONSP (bar_parms) | |
736 | && INTEGERP (XCAR (bar_parms)) | |
737 | && INTEGERP (XCDR (bar_parms))) | |
738 | { | |
739 | int start_line = XINT (XCDR (bar_parms)); | |
740 | ||
741 | width = XINT (XCAR (bar_parms)); | |
742 | msdos_set_cursor_shape (f, start_line, width); | |
743 | } | |
744 | } | |
745 | else | |
b106731c EZ |
746 | { |
747 | /* Treat anything unknown as "box cursor". This includes nil, so | |
748 | that a frame which doesn't specify a cursor type gets a box, | |
749 | which is the default in Emacs. */ | |
750 | msdos_set_cursor_shape (f, 0, BOX_CURSOR_WIDTH); | |
751 | } | |
8ba01a32 EZ |
752 | } |
753 | ||
71f65669 | 754 | static void |
3e1944a3 | 755 | IT_ring_bell (struct frame *f) |
f32d4091 KS |
756 | { |
757 | if (visible_bell) | |
aee81730 | 758 | { |
f32d4091 KS |
759 | mouse_off (); |
760 | ScreenVisualBell (); | |
aee81730 | 761 | } |
f32d4091 | 762 | else |
3635be47 RS |
763 | { |
764 | union REGS inregs, outregs; | |
765 | inregs.h.ah = 2; | |
766 | inregs.h.dl = 7; | |
767 | intdos (&inregs, &outregs); | |
768 | } | |
09e2ac30 RS |
769 | } |
770 | ||
c77f6f1b EZ |
771 | /* Given a face id FACE, extract the face parameters to be used for |
772 | display until the face changes. The face parameters (actually, its | |
773 | color) are used to construct the video attribute byte for each | |
774 | glyph during the construction of the buffer that is then blitted to | |
775 | the video RAM. */ | |
f32d4091 KS |
776 | static void |
777 | IT_set_face (int face) | |
778 | { | |
2d764c78 | 779 | struct frame *sf = SELECTED_FRAME(); |
546701f5 EZ |
780 | struct face *fp = FACE_FROM_ID (sf, face); |
781 | struct face *dfp = FACE_FROM_ID (sf, DEFAULT_FACE_ID); | |
782 | unsigned long fg, bg, dflt_fg, dflt_bg; | |
3e1944a3 | 783 | struct tty_display_info *tty = FRAME_TTY (sf); |
f32d4091 | 784 | |
c77f6f1b | 785 | if (!fp) |
e30aee93 | 786 | { |
546701f5 | 787 | fp = dfp; |
e30aee93 EZ |
788 | /* The default face for the frame should always be realized and |
789 | cached. */ | |
790 | if (!fp) | |
791 | abort (); | |
792 | } | |
f32d4091 | 793 | screen_face = face; |
c77f6f1b EZ |
794 | fg = fp->foreground; |
795 | bg = fp->background; | |
546701f5 EZ |
796 | dflt_fg = dfp->foreground; |
797 | dflt_bg = dfp->background; | |
c77f6f1b | 798 | |
abcce93a MB |
799 | /* Don't use invalid colors. In particular, FACE_TTY_DEFAULT_* colors |
800 | mean use the colors of the default face. Note that we assume all | |
801 | 16 colors to be available for the background, since Emacs switches | |
802 | on this mode (and loses the blinking attribute) at startup. */ | |
f9d2fdc4 | 803 | if (fg == FACE_TTY_DEFAULT_COLOR || fg == FACE_TTY_DEFAULT_FG_COLOR) |
3b620731 | 804 | fg = FRAME_FOREGROUND_PIXEL (sf); |
f9d2fdc4 | 805 | else if (fg == FACE_TTY_DEFAULT_BG_COLOR) |
3b620731 EZ |
806 | fg = FRAME_BACKGROUND_PIXEL (sf); |
807 | if (bg == FACE_TTY_DEFAULT_COLOR || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
808 | bg = FRAME_BACKGROUND_PIXEL (sf); | |
f9d2fdc4 | 809 | else if (bg == FACE_TTY_DEFAULT_FG_COLOR) |
3b620731 EZ |
810 | bg = FRAME_FOREGROUND_PIXEL (sf); |
811 | ||
812 | /* Make sure highlighted lines really stand out, come what may. */ | |
abcce93a | 813 | if (fp->tty_reverse_p && (fg == dflt_fg && bg == dflt_bg)) |
3b620731 EZ |
814 | { |
815 | unsigned long tem = fg; | |
816 | ||
817 | fg = bg; | |
818 | bg = tem; | |
819 | } | |
76648534 EZ |
820 | /* If the user requested inverse video, obey. */ |
821 | if (inverse_video) | |
822 | { | |
823 | unsigned long tem2 = fg; | |
824 | ||
825 | fg = bg; | |
826 | bg = tem2; | |
827 | } | |
3e1944a3 | 828 | if (tty->termscript) |
891ef8f7 | 829 | fprintf (tty->termscript, "<FACE %d: %lu/%lu[FG:%lu/BG:%lu]>", face, |
abcce93a | 830 | fp->foreground, fp->background, fg, bg); |
c77f6f1b EZ |
831 | if (fg >= 0 && fg < 16) |
832 | { | |
833 | ScreenAttrib &= 0xf0; | |
834 | ScreenAttrib |= fg; | |
835 | } | |
836 | if (bg >= 0 && bg < 16) | |
837 | { | |
838 | ScreenAttrib &= 0x0f; | |
839 | ScreenAttrib |= ((bg & 0x0f) << 4); | |
840 | } | |
f32d4091 KS |
841 | } |
842 | ||
aff01dd9 EZ |
843 | /* According to RBIL (INTERRUP.A, V-1000), 160 is the maximum possible |
844 | width of a DOS display in any known text mode. We multiply by 2 to | |
7ee6a1d3 | 845 | accommodate the screen attribute byte. */ |
aff01dd9 EZ |
846 | #define MAX_SCREEN_BUF 160*2 |
847 | ||
3e1944a3 EZ |
848 | extern unsigned char *encode_terminal_code (struct glyph *, int, |
849 | struct coding_system *); | |
7ef4b50c | 850 | |
71f65669 | 851 | static void |
3e1944a3 | 852 | IT_write_glyphs (struct frame *f, struct glyph *str, int str_len) |
f32d4091 | 853 | { |
aff01dd9 | 854 | unsigned char screen_buf[MAX_SCREEN_BUF], *screen_bp, *bp; |
039274cf | 855 | int offset = 2 * (new_pos_X + screen_size_X * new_pos_Y); |
aa9ce936 | 856 | register int sl = str_len; |
3e1944a3 | 857 | struct tty_display_info *tty = FRAME_TTY (f); |
2d764c78 | 858 | struct frame *sf; |
3e1944a3 | 859 | unsigned char *conversion_buffer; |
87485d6f | 860 | |
3e1944a3 EZ |
861 | /* If terminal_coding does any conversion, use it, otherwise use |
862 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
863 | because it always returns 1 if terminal_coding.src_multibyte is 1. */ | |
864 | struct coding_system *coding = FRAME_TERMINAL_CODING (f); | |
865 | ||
866 | if (!(coding->common_flags & CODING_REQUIRE_ENCODING_MASK)) | |
867 | coding = &safe_terminal_coding; | |
648648a9 | 868 | |
3b620731 | 869 | if (str_len <= 0) return; |
56e19ec4 | 870 | |
2d764c78 | 871 | sf = SELECTED_FRAME(); |
e30aee93 EZ |
872 | |
873 | /* Since faces get cached and uncached behind our back, we can't | |
874 | rely on their indices in the cache being consistent across | |
875 | invocations. So always reset the screen face to the default | |
876 | face of the frame, before writing glyphs, and let the glyphs | |
877 | set the right face if it's different from the default. */ | |
878 | IT_set_face (DEFAULT_FACE_ID); | |
56e19ec4 | 879 | |
aa9ce936 EZ |
880 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
881 | the tail. */ | |
3e1944a3 | 882 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
aff01dd9 | 883 | screen_bp = &screen_buf[0]; |
3e1944a3 | 884 | while (sl > 0) |
aa9ce936 | 885 | { |
3e1944a3 | 886 | int cf; |
aff01dd9 | 887 | int n; |
aa9ce936 | 888 | |
aff01dd9 EZ |
889 | /* If the face of this glyph is different from the current |
890 | screen face, update the screen attribute byte. */ | |
891 | cf = str->face_id; | |
892 | if (cf != screen_face) | |
893 | IT_set_face (cf); /* handles invalid faces gracefully */ | |
894 | ||
895 | /* Identify a run of glyphs with the same face. */ | |
896 | for (n = 1; n < sl; ++n) | |
897 | if (str[n].face_id != cf) | |
898 | break; | |
899 | ||
900 | if (n >= sl) | |
901 | /* This is the last glyph. */ | |
902 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
903 | ||
904 | conversion_buffer = encode_terminal_code (str, n, coding); | |
905 | if (coding->produced > 0) | |
aa9ce936 | 906 | { |
aff01dd9 EZ |
907 | /* Copy the encoded bytes to the screen buffer. */ |
908 | for (bp = conversion_buffer; coding->produced--; bp++) | |
aa9ce936 | 909 | { |
aff01dd9 EZ |
910 | /* Paranoia: discard bytes that would overrun the end of |
911 | the screen buffer. */ | |
912 | if (screen_bp - screen_buf <= MAX_SCREEN_BUF - 2) | |
aa9ce936 | 913 | { |
aff01dd9 EZ |
914 | *screen_bp++ = (unsigned char)*bp; |
915 | *screen_bp++ = ScreenAttrib; | |
aa9ce936 | 916 | } |
aff01dd9 EZ |
917 | if (tty->termscript) |
918 | fputc (*bp, tty->termscript); | |
aa9ce936 EZ |
919 | } |
920 | } | |
aff01dd9 EZ |
921 | /* Update STR and its remaining length. */ |
922 | str += n; | |
923 | sl -= n; | |
aee81730 RS |
924 | } |
925 | ||
aff01dd9 | 926 | /* Dump whatever we have in the screen buffer. */ |
f32d4091 | 927 | mouse_off_maybe (); |
aa9ce936 | 928 | dosmemput (screen_buf, screen_bp - screen_buf, (int)ScreenPrimary + offset); |
039274cf | 929 | if (screen_virtual_segment) |
aa9ce936 EZ |
930 | dosv_refresh_virtual_screen (offset, (screen_bp - screen_buf) / 2); |
931 | new_pos_X += (screen_bp - screen_buf) / 2; | |
f32d4091 | 932 | } |
aee81730 | 933 | |
41ad069b EZ |
934 | /************************************************************************ |
935 | Mouse Highlight (and friends..) | |
936 | ************************************************************************/ | |
937 | ||
ee8ceff8 | 938 | /* Last window where we saw the mouse. Used by mouse-autoselect-window. */ |
9005a471 EZ |
939 | static Lisp_Object last_mouse_window; |
940 | ||
41ad069b EZ |
941 | static int mouse_preempted = 0; /* non-zero when XMenu gobbles mouse events */ |
942 | ||
d009ae66 EZ |
943 | int |
944 | popup_activated (void) | |
41ad069b | 945 | { |
d009ae66 | 946 | return mouse_preempted; |
41ad069b EZ |
947 | } |
948 | ||
d009ae66 | 949 | /* Draw TEXT_AREA glyphs between START and END of glyph row ROW on |
28118eb6 EZ |
950 | window W. X is relative to TEXT_AREA in W. HL is a face override |
951 | for drawing the glyphs. */ | |
d009ae66 | 952 | void |
28118eb6 EZ |
953 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, |
954 | int start_hpos, int end_hpos, | |
955 | enum draw_glyphs_face hl) | |
41ad069b | 956 | { |
41ad069b | 957 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
3e1944a3 | 958 | struct tty_display_info *tty = FRAME_TTY (f); |
34574c02 | 959 | Mouse_HLInfo *hlinfo = &tty->mouse_highlight; |
41ad069b | 960 | |
d009ae66 | 961 | if (hl == DRAW_MOUSE_FACE) |
41ad069b | 962 | { |
d009ae66 EZ |
963 | int vpos = row->y + WINDOW_TOP_EDGE_Y (w); |
964 | int kstart = start_hpos + WINDOW_LEFT_EDGE_X (w); | |
965 | int nglyphs = end_hpos - start_hpos; | |
966 | int offset = ScreenPrimary + 2*(vpos*screen_size_X + kstart) + 1; | |
967 | int start_offset = offset; | |
41ad069b | 968 | |
d009ae66 EZ |
969 | if (tty->termscript) |
970 | fprintf (tty->termscript, "\n<MH+ %d-%d:%d>", | |
971 | kstart, kstart + nglyphs - 1, vpos); | |
56e19ec4 | 972 | |
d009ae66 | 973 | mouse_off (); |
34574c02 | 974 | IT_set_face (hlinfo->mouse_face_face_id); |
d009ae66 EZ |
975 | /* Since we are going to change only the _colors_ of already |
976 | displayed text, there's no need to go through all the pain of | |
977 | generating and encoding the text from the glyphs. Instead, | |
978 | we simply poke the attribute byte of each affected position | |
979 | in video memory with the colors computed by IT_set_face! */ | |
980 | _farsetsel (_dos_ds); | |
981 | while (nglyphs--) | |
41ad069b | 982 | { |
d009ae66 EZ |
983 | _farnspokeb (offset, ScreenAttrib); |
984 | offset += 2; | |
41ad069b | 985 | } |
d009ae66 EZ |
986 | if (screen_virtual_segment) |
987 | dosv_refresh_virtual_screen (start_offset, end_hpos - start_hpos); | |
988 | mouse_on (); | |
41ad069b | 989 | } |
d009ae66 | 990 | else if (hl == DRAW_NORMAL_TEXT) |
41ad069b | 991 | { |
d009ae66 EZ |
992 | /* We are removing a previously-drawn mouse highlight. The |
993 | safest way to do so is to redraw the glyphs anew, since all | |
994 | kinds of faces and display tables could have changed behind | |
995 | our back. */ | |
996 | int nglyphs = end_hpos - start_hpos; | |
997 | int save_x = new_pos_X, save_y = new_pos_Y; | |
998 | ||
999 | if (end_hpos >= row->used[TEXT_AREA]) | |
1000 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
1001 | ||
1002 | /* IT_write_glyphs writes at cursor position, so we need to | |
1003 | temporarily move cursor coordinates to the beginning of | |
1004 | the highlight region. */ | |
1005 | new_pos_X = start_hpos + WINDOW_LEFT_EDGE_X (w); | |
1006 | new_pos_Y = row->y + WINDOW_TOP_EDGE_Y (w); | |
41ad069b | 1007 | |
d009ae66 EZ |
1008 | if (tty->termscript) |
1009 | fprintf (tty->termscript, "<MH- %d-%d:%d>", | |
1010 | new_pos_X, new_pos_X + nglyphs - 1, new_pos_Y); | |
1011 | IT_write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
1012 | if (tty->termscript) | |
1013 | fputs ("\n", tty->termscript); | |
1014 | new_pos_X = save_x; | |
1015 | new_pos_Y = save_y; | |
41ad069b EZ |
1016 | } |
1017 | } | |
1018 | ||
71f65669 | 1019 | static void |
3e1944a3 | 1020 | IT_clear_end_of_line (struct frame *f, int first_unused) |
f32d4091 KS |
1021 | { |
1022 | char *spaces, *sp; | |
56e19ec4 | 1023 | int i, j, offset = 2 * (new_pos_X + screen_size_X * new_pos_Y); |
aa9ce936 | 1024 | extern int fatal_error_in_progress; |
3e1944a3 | 1025 | struct tty_display_info *tty = FRAME_TTY (f); |
aa9ce936 | 1026 | |
2d764c78 | 1027 | if (new_pos_X >= first_unused || fatal_error_in_progress) |
aa9ce936 | 1028 | return; |
f32d4091 KS |
1029 | |
1030 | IT_set_face (0); | |
2d764c78 | 1031 | i = (j = first_unused - new_pos_X) * 2; |
3e1944a3 EZ |
1032 | if (tty->termscript) |
1033 | fprintf (tty->termscript, "<CLR:EOL[%d..%d)>", new_pos_X, first_unused); | |
f32d4091 | 1034 | spaces = sp = alloca (i); |
56e19ec4 | 1035 | |
f32d4091 | 1036 | while (--j >= 0) |
aee81730 | 1037 | { |
f32d4091 KS |
1038 | *sp++ = ' '; |
1039 | *sp++ = ScreenAttrib; | |
aee81730 RS |
1040 | } |
1041 | ||
f32d4091 | 1042 | mouse_off_maybe (); |
039274cf EZ |
1043 | dosmemput (spaces, i, (int)ScreenPrimary + offset); |
1044 | if (screen_virtual_segment) | |
1045 | dosv_refresh_virtual_screen (offset, i / 2); | |
2d764c78 EZ |
1046 | |
1047 | /* clear_end_of_line_raw on term.c leaves the cursor at first_unused. | |
1048 | Let's follow their lead, in case someone relies on this. */ | |
1049 | new_pos_X = first_unused; | |
aee81730 RS |
1050 | } |
1051 | ||
71f65669 | 1052 | static void |
3e1944a3 | 1053 | IT_clear_screen (struct frame *f) |
f32d4091 | 1054 | { |
3e1944a3 EZ |
1055 | struct tty_display_info *tty = FRAME_TTY (f); |
1056 | ||
1057 | if (tty->termscript) | |
1058 | fprintf (tty->termscript, "<CLR:SCR>"); | |
deece6f5 EZ |
1059 | /* We are sometimes called (from clear_garbaged_frames) when a new |
1060 | frame is being created, but its faces are not yet realized. In | |
1061 | such a case we cannot call IT_set_face, since it will fail to find | |
1062 | any valid faces and will abort. Instead, use the initial screen | |
1063 | colors; that should mimic what a Unix tty does, which simply clears | |
1064 | the screen with whatever default colors are in use. */ | |
1065 | if (FACE_FROM_ID (SELECTED_FRAME (), DEFAULT_FACE_ID) == NULL) | |
1066 | ScreenAttrib = (initial_screen_colors[0] << 4) | initial_screen_colors[1]; | |
1067 | else | |
1068 | IT_set_face (0); | |
f32d4091 KS |
1069 | mouse_off (); |
1070 | ScreenClear (); | |
039274cf EZ |
1071 | if (screen_virtual_segment) |
1072 | dosv_refresh_virtual_screen (0, screen_size); | |
f32d4091 KS |
1073 | new_pos_X = new_pos_Y = 0; |
1074 | } | |
1075 | ||
71f65669 | 1076 | static void |
3e1944a3 | 1077 | IT_clear_to_end (struct frame *f) |
f32d4091 | 1078 | { |
3e1944a3 EZ |
1079 | struct tty_display_info *tty = FRAME_TTY (f); |
1080 | ||
1081 | if (tty->termscript) | |
1082 | fprintf (tty->termscript, "<CLR:EOS>"); | |
f32d4091 KS |
1083 | |
1084 | while (new_pos_Y < screen_size_Y) { | |
1085 | new_pos_X = 0; | |
3e1944a3 | 1086 | IT_clear_end_of_line (f, screen_size_X); |
f32d4091 KS |
1087 | new_pos_Y++; |
1088 | } | |
1089 | } | |
1090 | ||
71f65669 | 1091 | static void |
3e1944a3 | 1092 | IT_cursor_to (struct frame *f, int y, int x) |
f32d4091 | 1093 | { |
3e1944a3 EZ |
1094 | struct tty_display_info *tty = FRAME_TTY (f); |
1095 | ||
1096 | if (tty->termscript) | |
1097 | fprintf (tty->termscript, "\n<XY=%dx%d>", x, y); | |
f32d4091 KS |
1098 | new_pos_X = x; |
1099 | new_pos_Y = y; | |
1100 | } | |
1101 | ||
fc171623 KH |
1102 | static int cursor_cleared; |
1103 | ||
d1d5dc19 | 1104 | static void |
fc171623 KH |
1105 | IT_display_cursor (int on) |
1106 | { | |
3e1944a3 EZ |
1107 | struct tty_display_info *tty = CURTTY (); |
1108 | ||
fc171623 KH |
1109 | if (on && cursor_cleared) |
1110 | { | |
1111 | ScreenSetCursor (current_pos_Y, current_pos_X); | |
1112 | cursor_cleared = 0; | |
b04021eb | 1113 | if (tty->termscript) |
cb4545ad EZ |
1114 | fprintf (tty->termscript, "\nCURSOR ON (%dx%d)", |
1115 | current_pos_Y, current_pos_X); | |
fc171623 KH |
1116 | } |
1117 | else if (!on && !cursor_cleared) | |
1118 | { | |
1119 | ScreenSetCursor (-1, -1); | |
1120 | cursor_cleared = 1; | |
b04021eb | 1121 | if (tty->termscript) |
cb4545ad EZ |
1122 | fprintf (tty->termscript, "\nCURSOR OFF (%dx%d)", |
1123 | current_pos_Y, current_pos_X); | |
fc171623 KH |
1124 | } |
1125 | } | |
1126 | ||
1127 | /* Emacs calls cursor-movement functions a lot when it updates the | |
1128 | display (probably a legacy of old terminals where you cannot | |
1129 | update a screen line without first moving the cursor there). | |
1130 | However, cursor movement is expensive on MSDOS (it calls a slow | |
1131 | BIOS function and requires 2 mode switches), while actual screen | |
1132 | updates access the video memory directly and don't depend on | |
1133 | cursor position. To avoid slowing down the redisplay, we cheat: | |
1134 | all functions that move the cursor only set internal variables | |
1135 | which record the cursor position, whereas the cursor is only | |
1136 | moved to its final position whenever screen update is complete. | |
1137 | ||
1138 | `IT_cmgoto' is called from the keyboard reading loop and when the | |
1139 | frame update is complete. This means that we are ready for user | |
1140 | input, so we update the cursor position to show where the point is, | |
1141 | and also make the mouse pointer visible. | |
1142 | ||
1143 | Special treatment is required when the cursor is in the echo area, | |
1144 | to put the cursor at the end of the text displayed there. */ | |
1145 | ||
71f65669 EZ |
1146 | static void |
1147 | IT_cmgoto (FRAME_PTR f) | |
fc171623 KH |
1148 | { |
1149 | /* Only set the cursor to where it should be if the display is | |
1150 | already in sync with the window contents. */ | |
2d764c78 | 1151 | int update_cursor_pos = 1; /* MODIFF == unchanged_modified; */ |
3e1944a3 | 1152 | struct tty_display_info *tty = FRAME_TTY (f); |
2d764c78 EZ |
1153 | |
1154 | /* FIXME: This needs to be rewritten for the new redisplay, or | |
1155 | removed. */ | |
1156 | #if 0 | |
06da1de1 EZ |
1157 | static int previous_pos_X = -1; |
1158 | ||
2d764c78 EZ |
1159 | update_cursor_pos = 1; /* temporary!!! */ |
1160 | ||
06da1de1 EZ |
1161 | /* If the display is in sync, forget any previous knowledge about |
1162 | cursor position. This is primarily for unexpected events like | |
1163 | C-g in the minibuffer. */ | |
1164 | if (update_cursor_pos && previous_pos_X >= 0) | |
1165 | previous_pos_X = -1; | |
1166 | /* If we are in the echo area, put the cursor at the | |
1167 | end of the echo area message. */ | |
fc171623 | 1168 | if (!update_cursor_pos |
c655f6fd | 1169 | && WINDOW_TOP_EDGE_LINE (XWINDOW (FRAME_MINIBUF_WINDOW (f))) <= new_pos_Y) |
fc171623 | 1170 | { |
06da1de1 EZ |
1171 | int tem_X = current_pos_X, dummy; |
1172 | ||
1173 | if (echo_area_glyphs) | |
1174 | { | |
1175 | tem_X = echo_area_glyphs_length; | |
1176 | /* Save current cursor position, to be restored after the | |
1177 | echo area message is erased. Only remember one level | |
1178 | of previous cursor position. */ | |
1179 | if (previous_pos_X == -1) | |
1180 | ScreenGetCursor (&dummy, &previous_pos_X); | |
1181 | } | |
1182 | else if (previous_pos_X >= 0) | |
1183 | { | |
1184 | /* We wind up here after the echo area message is erased. | |
1185 | Restore the cursor position we remembered above. */ | |
1186 | tem_X = previous_pos_X; | |
1187 | previous_pos_X = -1; | |
1188 | } | |
9a599a60 | 1189 | |
06da1de1 | 1190 | if (current_pos_X != tem_X) |
9a599a60 EZ |
1191 | { |
1192 | new_pos_X = tem_X; | |
1193 | update_cursor_pos = 1; | |
1194 | } | |
fc171623 | 1195 | } |
2d764c78 | 1196 | #endif |
fc171623 KH |
1197 | |
1198 | if (update_cursor_pos | |
1199 | && (current_pos_X != new_pos_X || current_pos_Y != new_pos_Y)) | |
1200 | { | |
1201 | ScreenSetCursor (current_pos_Y = new_pos_Y, current_pos_X = new_pos_X); | |
3e1944a3 EZ |
1202 | if (tty->termscript) |
1203 | fprintf (tty->termscript, "\n<CURSOR:%dx%d>", current_pos_X, current_pos_Y); | |
fc171623 KH |
1204 | } |
1205 | ||
1206 | /* Maybe cursor is invisible, so make it visible. */ | |
1207 | IT_display_cursor (1); | |
1208 | ||
1209 | /* Mouse pointer should be always visible if we are waiting for | |
1210 | keyboard input. */ | |
1211 | if (!mouse_visible) | |
1212 | mouse_on (); | |
1213 | } | |
1214 | ||
71f65669 | 1215 | static void |
41ad069b | 1216 | IT_update_begin (struct frame *f) |
f32d4091 | 1217 | { |
3e1944a3 | 1218 | struct tty_display_info *display_info = FRAME_X_DISPLAY_INFO (f); |
34574c02 EZ |
1219 | Mouse_HLInfo *hlinfo = &display_info->mouse_highlight; |
1220 | struct frame *mouse_face_frame = hlinfo->mouse_face_mouse_frame; | |
41ad069b | 1221 | |
7ccd1daf EZ |
1222 | if (display_info->termscript) |
1223 | fprintf (display_info->termscript, "\n\n<UPDATE_BEGIN"); | |
1224 | ||
41ad069b EZ |
1225 | BLOCK_INPUT; |
1226 | ||
b9f80d41 | 1227 | if (f && f == mouse_face_frame) |
41ad069b EZ |
1228 | { |
1229 | /* Don't do highlighting for mouse motion during the update. */ | |
34574c02 | 1230 | hlinfo->mouse_face_defer = 1; |
41ad069b EZ |
1231 | |
1232 | /* If F needs to be redrawn, simply forget about any prior mouse | |
1233 | highlighting. */ | |
1234 | if (FRAME_GARBAGED_P (f)) | |
34574c02 | 1235 | hlinfo->mouse_face_window = Qnil; |
41ad069b EZ |
1236 | |
1237 | /* Can we tell that this update does not affect the window | |
1238 | where the mouse highlight is? If so, no need to turn off. | |
48c14970 EZ |
1239 | Likewise, don't do anything if none of the enabled rows |
1240 | contains glyphs highlighted in mouse face. */ | |
34574c02 EZ |
1241 | if (!NILP (hlinfo->mouse_face_window) |
1242 | && WINDOWP (hlinfo->mouse_face_window)) | |
41ad069b | 1243 | { |
34574c02 | 1244 | struct window *w = XWINDOW (hlinfo->mouse_face_window); |
41ad069b EZ |
1245 | int i; |
1246 | ||
8ccb9a54 EZ |
1247 | /* If the mouse highlight is in the window that was deleted |
1248 | (e.g., if it was popped by completion), clear highlight | |
1249 | unconditionally. */ | |
1250 | if (NILP (w->buffer)) | |
34574c02 | 1251 | hlinfo->mouse_face_window = Qnil; |
8ccb9a54 EZ |
1252 | else |
1253 | { | |
1254 | for (i = 0; i < w->desired_matrix->nrows; ++i) | |
48c14970 EZ |
1255 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i) |
1256 | && MATRIX_ROW (w->current_matrix, i)->mouse_face_p) | |
8ccb9a54 EZ |
1257 | break; |
1258 | } | |
41ad069b | 1259 | |
8ccb9a54 | 1260 | if (NILP (w->buffer) || i < w->desired_matrix->nrows) |
34574c02 | 1261 | clear_mouse_face (hlinfo); |
41ad069b EZ |
1262 | } |
1263 | } | |
b9f80d41 | 1264 | else if (mouse_face_frame && !FRAME_LIVE_P (mouse_face_frame)) |
41ad069b EZ |
1265 | { |
1266 | /* If the frame with mouse highlight was deleted, invalidate the | |
1267 | highlight info. */ | |
34574c02 EZ |
1268 | hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1; |
1269 | hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1; | |
1270 | hlinfo->mouse_face_window = Qnil; | |
1271 | hlinfo->mouse_face_deferred_gc = 0; | |
1272 | hlinfo->mouse_face_mouse_frame = NULL; | |
41ad069b EZ |
1273 | } |
1274 | ||
1275 | UNBLOCK_INPUT; | |
f32d4091 KS |
1276 | } |
1277 | ||
71f65669 | 1278 | static void |
41ad069b | 1279 | IT_update_end (struct frame *f) |
f32d4091 | 1280 | { |
7ccd1daf EZ |
1281 | struct tty_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
1282 | ||
1283 | if (dpyinfo->termscript) | |
1284 | fprintf (dpyinfo->termscript, "\n<UPDATE_END\n"); | |
34574c02 | 1285 | dpyinfo->mouse_highlight.mouse_face_defer = 0; |
41ad069b EZ |
1286 | } |
1287 | ||
1288 | static void | |
1289 | IT_frame_up_to_date (struct frame *f) | |
1290 | { | |
34574c02 | 1291 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f); |
0c3cfc51 EZ |
1292 | Lisp_Object new_cursor, frame_desired_cursor; |
1293 | struct window *sw; | |
41ad069b | 1294 | |
34574c02 EZ |
1295 | if (hlinfo->mouse_face_deferred_gc |
1296 | || (f && f == hlinfo->mouse_face_mouse_frame)) | |
41ad069b EZ |
1297 | { |
1298 | BLOCK_INPUT; | |
34574c02 EZ |
1299 | if (hlinfo->mouse_face_mouse_frame) |
1300 | note_mouse_highlight (hlinfo->mouse_face_mouse_frame, | |
1301 | hlinfo->mouse_face_mouse_x, | |
1302 | hlinfo->mouse_face_mouse_y); | |
1303 | hlinfo->mouse_face_deferred_gc = 0; | |
41ad069b EZ |
1304 | UNBLOCK_INPUT; |
1305 | } | |
1306 | ||
0c3cfc51 EZ |
1307 | /* Set the cursor type to whatever they wanted. In a minibuffer |
1308 | window, we want the cursor to appear only if we are reading input | |
1309 | from this window, and we want the cursor to be taken from the | |
1310 | frame parameters. For the selected window, we use either its | |
1311 | buffer-local value or the value from the frame parameters if the | |
1312 | buffer doesn't define its local value for the cursor type. */ | |
1313 | sw = XWINDOW (f->selected_window); | |
1314 | frame_desired_cursor = Fcdr (Fassq (Qcursor_type, f->param_alist)); | |
1315 | if (cursor_in_echo_area | |
1316 | && FRAME_HAS_MINIBUF_P (f) | |
1317 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window) | |
1318 | && sw == XWINDOW (echo_area_window)) | |
1319 | new_cursor = frame_desired_cursor; | |
1320 | else | |
1321 | { | |
1322 | struct buffer *b = XBUFFER (sw->buffer); | |
1323 | ||
4b4deea2 | 1324 | if (EQ (BVAR (b,cursor_type), Qt)) |
0c3cfc51 | 1325 | new_cursor = frame_desired_cursor; |
4b4deea2 | 1326 | else if (NILP (BVAR (b, cursor_type))) /* nil means no cursor */ |
0c3cfc51 EZ |
1327 | new_cursor = Fcons (Qbar, make_number (0)); |
1328 | else | |
4b4deea2 | 1329 | new_cursor = BVAR (b, cursor_type); |
0c3cfc51 EZ |
1330 | } |
1331 | ||
1332 | IT_set_cursor_type (f, new_cursor); | |
8ba01a32 | 1333 | |
41ad069b | 1334 | IT_cmgoto (f); /* position cursor when update is done */ |
f32d4091 | 1335 | } |
1b94449f | 1336 | |
c77f6f1b EZ |
1337 | /* Copy LEN glyphs displayed on a single line whose vertical position |
1338 | is YPOS, beginning at horizontal position XFROM to horizontal | |
1339 | position XTO, by moving blocks in the video memory. Used by | |
1340 | functions that insert and delete glyphs. */ | |
1341 | static void | |
1342 | IT_copy_glyphs (int xfrom, int xto, size_t len, int ypos) | |
1343 | { | |
1344 | /* The offsets of source and destination relative to the | |
1345 | conventional memorty selector. */ | |
1346 | int from = 2 * (xfrom + screen_size_X * ypos) + ScreenPrimary; | |
1347 | int to = 2 * (xto + screen_size_X * ypos) + ScreenPrimary; | |
1348 | ||
1349 | if (from == to || len <= 0) | |
1350 | return; | |
1351 | ||
1352 | _farsetsel (_dos_ds); | |
1353 | ||
1354 | /* The source and destination might overlap, so we need to move | |
1355 | glyphs non-destructively. */ | |
1356 | if (from > to) | |
1357 | { | |
1358 | for ( ; len; from += 2, to += 2, len--) | |
1359 | _farnspokew (to, _farnspeekw (from)); | |
1360 | } | |
1361 | else | |
1362 | { | |
1363 | from += (len - 1) * 2; | |
1364 | to += (len - 1) * 2; | |
1365 | for ( ; len; from -= 2, to -= 2, len--) | |
1366 | _farnspokew (to, _farnspeekw (from)); | |
1367 | } | |
1368 | if (screen_virtual_segment) | |
1369 | dosv_refresh_virtual_screen (ypos * screen_size_X * 2, screen_size_X); | |
1370 | } | |
1371 | ||
1372 | /* Insert and delete glyphs. */ | |
aa9ce936 | 1373 | static void |
3a8ce822 | 1374 | IT_insert_glyphs (struct frame *f, struct glyph *start, int len) |
aa9ce936 | 1375 | { |
c77f6f1b EZ |
1376 | int shift_by_width = screen_size_X - (new_pos_X + len); |
1377 | ||
1378 | /* Shift right the glyphs from the nominal cursor position to the | |
1379 | end of this line. */ | |
1380 | IT_copy_glyphs (new_pos_X, new_pos_X + len, shift_by_width, new_pos_Y); | |
1381 | ||
1382 | /* Now write the glyphs to be inserted. */ | |
3e1944a3 | 1383 | IT_write_glyphs (f, start, len); |
aa9ce936 EZ |
1384 | } |
1385 | ||
1386 | static void | |
3a8ce822 | 1387 | IT_delete_glyphs (struct frame *f, int n) |
aa9ce936 EZ |
1388 | { |
1389 | abort (); | |
1390 | } | |
1391 | ||
211c7152 | 1392 | /* set-window-configuration on window.c needs this. */ |
3bb1f22f | 1393 | void |
3a8ce822 | 1394 | x_set_menu_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval) |
3bb1f22f | 1395 | { |
211c7152 EZ |
1396 | set_menu_bar_lines (f, value, oldval); |
1397 | } | |
3bb1f22f | 1398 | |
984f5aaa | 1399 | /* This was copied from xfaces.c */ |
3bb1f22f | 1400 | |
984f5aaa EZ |
1401 | extern Lisp_Object Qbackground_color; |
1402 | extern Lisp_Object Qforeground_color; | |
8ba01a32 | 1403 | Lisp_Object Qreverse; |
211c7152 | 1404 | extern Lisp_Object Qtitle; |
3bb1f22f | 1405 | |
48ffe371 RS |
1406 | /* IT_set_terminal_modes is called when emacs is started, |
1407 | resumed, and whenever the screen is redrawn! */ | |
f32d4091 | 1408 | |
71f65669 | 1409 | static void |
3e1944a3 | 1410 | IT_set_terminal_modes (struct terminal *term) |
f32d4091 | 1411 | { |
3e1944a3 EZ |
1412 | struct tty_display_info *tty; |
1413 | ||
1414 | /* If called with initial terminal, it's too early to do anything | |
1415 | useful. */ | |
1416 | if (term->type == output_initial) | |
1417 | return; | |
1418 | ||
1419 | tty = term->display_info.tty; | |
1420 | ||
1421 | if (tty->termscript) | |
1422 | fprintf (tty->termscript, "\n<SET_TERM>"); | |
f32d4091 KS |
1423 | |
1424 | screen_size_X = ScreenCols (); | |
1425 | screen_size_Y = ScreenRows (); | |
1426 | screen_size = screen_size_X * screen_size_Y; | |
56e19ec4 | 1427 | |
f32d4091 KS |
1428 | new_pos_X = new_pos_Y = 0; |
1429 | current_pos_X = current_pos_Y = -1; | |
1430 | ||
1431 | if (term_setup_done) | |
1432 | return; | |
1433 | term_setup_done = 1; | |
56e19ec4 | 1434 | |
f32d4091 KS |
1435 | startup_screen_size_X = screen_size_X; |
1436 | startup_screen_size_Y = screen_size_Y; | |
c9adab25 | 1437 | startup_screen_attrib = ScreenAttrib; |
f32d4091 | 1438 | |
039274cf EZ |
1439 | /* Is DOS/V (or any other RSIS software which relocates |
1440 | the screen) installed? */ | |
1441 | { | |
1442 | unsigned short es_value; | |
1443 | __dpmi_regs regs; | |
1444 | ||
1445 | regs.h.ah = 0xfe; /* get relocated screen address */ | |
1446 | if (ScreenPrimary == 0xb0000UL || ScreenPrimary == 0xb8000UL) | |
1447 | regs.x.es = (ScreenPrimary >> 4) & 0xffff; | |
1448 | else if (screen_old_address) /* already switched to Japanese mode once */ | |
1449 | regs.x.es = (screen_old_address >> 4) & 0xffff; | |
1450 | else | |
1451 | regs.x.es = ScreenMode () == 7 ? 0xb000 : 0xb800; | |
1452 | regs.x.di = 0; | |
1453 | es_value = regs.x.es; | |
1454 | __dpmi_int (0x10, ®s); | |
1455 | ||
d1d5dc19 | 1456 | if (regs.x.es != es_value) |
039274cf | 1457 | { |
d1d5dc19 EZ |
1458 | /* screen_old_address is only set if ScreenPrimary does NOT |
1459 | already point to the relocated buffer address returned by | |
1460 | the Int 10h/AX=FEh call above. DJGPP v2.02 and later sets | |
1461 | ScreenPrimary to that address at startup under DOS/V. */ | |
891ef8f7 | 1462 | if (regs.x.es != ((ScreenPrimary >> 4) & 0xffff)) |
d1d5dc19 | 1463 | screen_old_address = ScreenPrimary; |
039274cf EZ |
1464 | screen_virtual_segment = regs.x.es; |
1465 | screen_virtual_offset = regs.x.di; | |
1466 | ScreenPrimary = (screen_virtual_segment << 4) + screen_virtual_offset; | |
1467 | } | |
1468 | } | |
039274cf | 1469 | |
f32d4091 KS |
1470 | ScreenGetCursor (&startup_pos_Y, &startup_pos_X); |
1471 | ScreenRetrieve (startup_screen_buffer = xmalloc (screen_size * 2)); | |
1472 | ||
76ac1508 | 1473 | bright_bg (); |
f32d4091 KS |
1474 | } |
1475 | ||
48ffe371 RS |
1476 | /* IT_reset_terminal_modes is called when emacs is |
1477 | suspended or killed. */ | |
f32d4091 | 1478 | |
71f65669 | 1479 | static void |
3e1944a3 | 1480 | IT_reset_terminal_modes (struct terminal *term) |
f32d4091 | 1481 | { |
c9adab25 KH |
1482 | int display_row_start = (int) ScreenPrimary; |
1483 | int saved_row_len = startup_screen_size_X * 2; | |
56e19ec4 | 1484 | int update_row_len = ScreenCols () * 2, current_rows = ScreenRows (); |
c9adab25 KH |
1485 | int to_next_row = update_row_len; |
1486 | unsigned char *saved_row = startup_screen_buffer; | |
56e19ec4 | 1487 | int cursor_pos_X = ScreenCols () - 1, cursor_pos_Y = ScreenRows () - 1; |
3e1944a3 | 1488 | struct tty_display_info *tty = term->display_info.tty; |
c9adab25 | 1489 | |
3e1944a3 EZ |
1490 | if (tty->termscript) |
1491 | fprintf (tty->termscript, "\n<RESET_TERM>"); | |
f32d4091 | 1492 | |
f32d4091 KS |
1493 | if (!term_setup_done) |
1494 | return; | |
56e19ec4 | 1495 | |
c9adab25 | 1496 | mouse_off (); |
b36701cc RS |
1497 | |
1498 | /* Leave the video system in the same state as we found it, | |
1499 | as far as the blink/bright-background bit is concerned. */ | |
1500 | maybe_enable_blinking (); | |
06b1ea13 | 1501 | |
c9adab25 KH |
1502 | /* We have a situation here. |
1503 | We cannot just do ScreenUpdate(startup_screen_buffer) because | |
1504 | the luser could have changed screen dimensions inside Emacs | |
1505 | and failed (or didn't want) to restore them before killing | |
1506 | Emacs. ScreenUpdate() uses the *current* screen dimensions and | |
1507 | thus will happily use memory outside what was allocated for | |
1508 | `startup_screen_buffer'. | |
1509 | Thus we only restore as much as the current screen dimensions | |
1510 | can hold, and clear the rest (if the saved screen is smaller than | |
1511 | the current) with the color attribute saved at startup. The cursor | |
1512 | is also restored within the visible dimensions. */ | |
1513 | ||
1514 | ScreenAttrib = startup_screen_attrib; | |
c9adab25 | 1515 | |
06b1ea13 EZ |
1516 | /* Don't restore the screen if we are exiting less than 2 seconds |
1517 | after startup: we might be crashing, and the screen might show | |
1518 | some vital clues to what's wrong. */ | |
1519 | if (clock () - startup_time >= 2*CLOCKS_PER_SEC) | |
c9adab25 | 1520 | { |
06b1ea13 | 1521 | ScreenClear (); |
039274cf | 1522 | if (screen_virtual_segment) |
06b1ea13 EZ |
1523 | dosv_refresh_virtual_screen (0, screen_size); |
1524 | ||
1525 | if (update_row_len > saved_row_len) | |
1526 | update_row_len = saved_row_len; | |
1527 | if (current_rows > startup_screen_size_Y) | |
1528 | current_rows = startup_screen_size_Y; | |
1529 | ||
3e1944a3 EZ |
1530 | if (tty->termscript) |
1531 | fprintf (tty->termscript, "<SCREEN RESTORED (dimensions=%dx%d)>\n", | |
06b1ea13 EZ |
1532 | update_row_len / 2, current_rows); |
1533 | ||
1534 | while (current_rows--) | |
1535 | { | |
1536 | dosmemput (saved_row, update_row_len, display_row_start); | |
1537 | if (screen_virtual_segment) | |
1538 | dosv_refresh_virtual_screen (display_row_start - ScreenPrimary, | |
1539 | update_row_len / 2); | |
1540 | saved_row += saved_row_len; | |
1541 | display_row_start += to_next_row; | |
1542 | } | |
c9adab25 KH |
1543 | } |
1544 | if (startup_pos_X < cursor_pos_X) | |
1545 | cursor_pos_X = startup_pos_X; | |
1546 | if (startup_pos_Y < cursor_pos_Y) | |
1547 | cursor_pos_Y = startup_pos_Y; | |
1548 | ||
1549 | ScreenSetCursor (cursor_pos_Y, cursor_pos_X); | |
1550 | xfree (startup_screen_buffer); | |
3e1944a3 | 1551 | startup_screen_buffer = NULL; |
f32d4091 KS |
1552 | |
1553 | term_setup_done = 0; | |
1554 | } | |
1555 | ||
71f65669 | 1556 | static void |
3e1944a3 | 1557 | IT_set_terminal_window (struct frame *f, int foo) |
f32d4091 KS |
1558 | { |
1559 | } | |
1560 | ||
2d764c78 EZ |
1561 | /* Remember the screen colors of the curent frame, to serve as the |
1562 | default colors for newly-created frames. */ | |
2d764c78 EZ |
1563 | DEFUN ("msdos-remember-default-colors", Fmsdos_remember_default_colors, |
1564 | Smsdos_remember_default_colors, 1, 1, 0, | |
70da46c3 | 1565 | doc: /* Remember the screen colors of the current frame. */) |
5842a27b | 1566 | (Lisp_Object frame) |
2d764c78 | 1567 | { |
2d764c78 EZ |
1568 | struct frame *f; |
1569 | ||
b7826503 | 1570 | CHECK_FRAME (frame); |
f12dae2f | 1571 | f = XFRAME (frame); |
2d764c78 | 1572 | |
ff12cd1d EZ |
1573 | /* This function is called after applying default-frame-alist to the |
1574 | initial frame. At that time, if reverse-colors option was | |
1575 | specified in default-frame-alist, it was already applied, and | |
f12dae2f EZ |
1576 | frame colors are reversed. */ |
1577 | initial_screen_colors[0] = FRAME_FOREGROUND_PIXEL (f); | |
1578 | initial_screen_colors[1] = FRAME_BACKGROUND_PIXEL (f); | |
891ef8f7 EZ |
1579 | |
1580 | return Qnil; | |
2d764c78 EZ |
1581 | } |
1582 | ||
f32d4091 | 1583 | void |
3a8ce822 | 1584 | IT_set_frame_parameters (struct frame *f, Lisp_Object alist) |
f32d4091 KS |
1585 | { |
1586 | Lisp_Object tail; | |
56e19ec4 | 1587 | int i, j, length = XINT (Flength (alist)); |
db722735 RS |
1588 | Lisp_Object *parms |
1589 | = (Lisp_Object *) alloca (length * sizeof (Lisp_Object)); | |
1590 | Lisp_Object *values | |
1591 | = (Lisp_Object *) alloca (length * sizeof (Lisp_Object)); | |
2d764c78 | 1592 | /* Do we have to reverse the foreground and background colors? */ |
8ba01a32 | 1593 | int reverse = EQ (Fcdr (Fassq (Qreverse, f->param_alist)), Qt); |
2d764c78 | 1594 | int redraw = 0, fg_set = 0, bg_set = 0; |
56e19ec4 | 1595 | unsigned long orig_fg, orig_bg; |
3e1944a3 | 1596 | struct tty_display_info *tty = FRAME_TTY (f); |
2d764c78 EZ |
1597 | |
1598 | /* If we are creating a new frame, begin with the original screen colors | |
1599 | used for the initial frame. */ | |
76ea4cc9 | 1600 | if (!f->default_face_done_p |
2d764c78 EZ |
1601 | && initial_screen_colors[0] != -1 && initial_screen_colors[1] != -1) |
1602 | { | |
1603 | FRAME_FOREGROUND_PIXEL (f) = initial_screen_colors[0]; | |
1604 | FRAME_BACKGROUND_PIXEL (f) = initial_screen_colors[1]; | |
f12dae2f | 1605 | init_frame_faces (f); |
76ea4cc9 | 1606 | f->default_face_done_p = 1; |
2d764c78 | 1607 | } |
76ea4cc9 EZ |
1608 | orig_fg = reverse ? FRAME_BACKGROUND_PIXEL (f) : FRAME_FOREGROUND_PIXEL (f); |
1609 | orig_bg = reverse ? FRAME_FOREGROUND_PIXEL (f) : FRAME_BACKGROUND_PIXEL (f); | |
db722735 RS |
1610 | |
1611 | /* Extract parm names and values into those vectors. */ | |
1612 | i = 0; | |
f32d4091 KS |
1613 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
1614 | { | |
db722735 | 1615 | Lisp_Object elt; |
f32d4091 KS |
1616 | |
1617 | elt = Fcar (tail); | |
db722735 | 1618 | parms[i] = Fcar (elt); |
b7826503 | 1619 | CHECK_SYMBOL (parms[i]); |
db722735 RS |
1620 | values[i] = Fcdr (elt); |
1621 | i++; | |
1622 | } | |
1623 | ||
2d764c78 | 1624 | j = i; |
db722735 | 1625 | |
2d764c78 EZ |
1626 | for (i = 0; i < j; i++) |
1627 | { | |
1e21fe48 EZ |
1628 | Lisp_Object prop, val; |
1629 | ||
1630 | prop = parms[i]; | |
1631 | val = values[i]; | |
2d764c78 | 1632 | |
8ba01a32 | 1633 | if (EQ (prop, Qreverse)) |
2d764c78 EZ |
1634 | reverse = EQ (val, Qt); |
1635 | } | |
546701f5 | 1636 | |
76ea4cc9 | 1637 | if (tty->termscript && reverse) |
3e1944a3 | 1638 | fprintf (tty->termscript, "<INVERSE-VIDEO>\n"); |
2d764c78 EZ |
1639 | |
1640 | /* Now process the alist elements in reverse of specified order. */ | |
db722735 RS |
1641 | for (i--; i >= 0; i--) |
1642 | { | |
76ea4cc9 | 1643 | Lisp_Object prop, val; |
1e21fe48 EZ |
1644 | |
1645 | prop = parms[i]; | |
1646 | val = values[i]; | |
f32d4091 | 1647 | |
4e825084 | 1648 | if (EQ (prop, Qforeground_color)) |
f32d4091 | 1649 | { |
76ea4cc9 | 1650 | unsigned long new_color = load_color (f, NULL, val, reverse |
2d764c78 EZ |
1651 | ? LFACE_BACKGROUND_INDEX |
1652 | : LFACE_FOREGROUND_INDEX); | |
3b620731 EZ |
1653 | if (new_color != FACE_TTY_DEFAULT_COLOR |
1654 | && new_color != FACE_TTY_DEFAULT_FG_COLOR | |
1655 | && new_color != FACE_TTY_DEFAULT_BG_COLOR) | |
f32d4091 | 1656 | { |
76ea4cc9 EZ |
1657 | if (!reverse) |
1658 | { | |
1659 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
1660 | /* Make sure the foreground of the default face for | |
1661 | this frame is changed as well. */ | |
1662 | update_face_from_frame_parameter (f, Qforeground_color, val); | |
1663 | fg_set = 1; | |
1664 | if (tty->termscript) | |
1665 | fprintf (tty->termscript, "<FGCOLOR %lu>\n", new_color); | |
1666 | } | |
1667 | else | |
1668 | { | |
1669 | FRAME_BACKGROUND_PIXEL (f) = new_color; | |
1670 | update_face_from_frame_parameter (f, Qbackground_color, val); | |
1671 | bg_set = 1; | |
1672 | if (tty->termscript) | |
1673 | fprintf (tty->termscript, "<BGCOLOR %lu>\n", new_color); | |
1674 | } | |
f32d4091 KS |
1675 | redraw = 1; |
1676 | } | |
1677 | } | |
4e825084 | 1678 | else if (EQ (prop, Qbackground_color)) |
f32d4091 | 1679 | { |
76ea4cc9 | 1680 | unsigned long new_color = load_color (f, NULL, val, reverse |
2d764c78 EZ |
1681 | ? LFACE_FOREGROUND_INDEX |
1682 | : LFACE_BACKGROUND_INDEX); | |
3b620731 EZ |
1683 | if (new_color != FACE_TTY_DEFAULT_COLOR |
1684 | && new_color != FACE_TTY_DEFAULT_FG_COLOR | |
1685 | && new_color != FACE_TTY_DEFAULT_BG_COLOR) | |
f32d4091 | 1686 | { |
76ea4cc9 EZ |
1687 | if (!reverse) |
1688 | { | |
1689 | FRAME_BACKGROUND_PIXEL (f) = new_color; | |
1690 | /* Make sure the background of the default face for | |
1691 | this frame is changed as well. */ | |
1692 | bg_set = 1; | |
1693 | update_face_from_frame_parameter (f, Qbackground_color, val); | |
1694 | if (tty->termscript) | |
1695 | fprintf (tty->termscript, "<BGCOLOR %lu>\n", new_color); | |
1696 | } | |
1697 | else | |
1698 | { | |
1699 | FRAME_FOREGROUND_PIXEL (f) = new_color; | |
1700 | fg_set = 1; | |
1701 | update_face_from_frame_parameter (f, Qforeground_color, val); | |
1702 | if (tty->termscript) | |
1703 | fprintf (tty->termscript, "<FGCOLOR %lu>\n", new_color); | |
1704 | } | |
f32d4091 KS |
1705 | redraw = 1; |
1706 | } | |
1707 | } | |
211c7152 EZ |
1708 | else if (EQ (prop, Qtitle)) |
1709 | { | |
1710 | x_set_title (f, val); | |
3e1944a3 EZ |
1711 | if (tty->termscript) |
1712 | fprintf (tty->termscript, "<TITLE: %s>\n", SDATA (val)); | |
211c7152 | 1713 | } |
8ba01a32 EZ |
1714 | else if (EQ (prop, Qcursor_type)) |
1715 | { | |
1716 | IT_set_cursor_type (f, val); | |
3e1944a3 EZ |
1717 | if (tty->termscript) |
1718 | fprintf (tty->termscript, "<CTYPE: %s>\n", | |
891ef8f7 EZ |
1719 | EQ (val, Qbar) |
1720 | || EQ (val, Qhbar) | |
1721 | || (CONSP (val) && (EQ (XCAR (val), Qbar) | |
1722 | || EQ (XCAR (val), Qhbar))) | |
8ba01a32 EZ |
1723 | ? "bar" : "box"); |
1724 | } | |
3e1944a3 EZ |
1725 | else if (EQ (prop, Qtty_type)) |
1726 | { | |
1727 | internal_terminal_init (); | |
1728 | if (tty->termscript) | |
1729 | fprintf (tty->termscript, "<TERM_INIT done, TTY_TYPE: %.*s>\n", | |
1730 | SBYTES (val), SDATA (val)); | |
1731 | } | |
db722735 | 1732 | store_frame_param (f, prop, val); |
2d764c78 | 1733 | } |
db722735 | 1734 | |
2d764c78 EZ |
1735 | /* If they specified "reverse", but not the colors, we need to swap |
1736 | the current frame colors. */ | |
76ea4cc9 | 1737 | if (reverse) |
2d764c78 EZ |
1738 | { |
1739 | if (!fg_set) | |
1740 | { | |
76ea4cc9 EZ |
1741 | FRAME_FOREGROUND_PIXEL (f) = orig_bg; |
1742 | update_face_from_frame_parameter (f, Qforeground_color, | |
1743 | tty_color_name (f, orig_bg)); | |
2d764c78 EZ |
1744 | redraw = 1; |
1745 | } | |
1746 | if (!bg_set) | |
1747 | { | |
76ea4cc9 EZ |
1748 | FRAME_BACKGROUND_PIXEL (f) = orig_fg; |
1749 | update_face_from_frame_parameter (f, Qbackground_color, | |
1750 | tty_color_name (f, orig_fg)); | |
2d764c78 EZ |
1751 | redraw = 1; |
1752 | } | |
f32d4091 KS |
1753 | } |
1754 | ||
1755 | if (redraw) | |
1756 | { | |
2d764c78 EZ |
1757 | face_change_count++; /* forces xdisp.c to recompute basic faces */ |
1758 | if (f == SELECTED_FRAME()) | |
3bb1f22f | 1759 | redraw_frame (f); |
f32d4091 KS |
1760 | } |
1761 | } | |
1762 | ||
a7cf9151 EZ |
1763 | extern void init_frame_faces (FRAME_PTR); |
1764 | ||
f32d4091 KS |
1765 | #endif /* !HAVE_X_WINDOWS */ |
1766 | ||
1767 | ||
48ffe371 RS |
1768 | /* Do we need the internal terminal? */ |
1769 | ||
f32d4091 | 1770 | void |
3a8ce822 | 1771 | internal_terminal_init (void) |
f32d4091 | 1772 | { |
2306a735 | 1773 | static int init_needed = 1; |
56e19ec4 | 1774 | char *term = getenv ("TERM"), *colors; |
2d764c78 | 1775 | struct frame *sf = SELECTED_FRAME(); |
3e1944a3 | 1776 | struct tty_display_info *tty; |
f32d4091 KS |
1777 | |
1778 | #ifdef HAVE_X_WINDOWS | |
1779 | if (!inhibit_window_system) | |
1780 | return; | |
1781 | #endif | |
1782 | ||
3e1944a3 EZ |
1783 | /* If this is the initial terminal, we are done here. */ |
1784 | if (sf->output_method == output_initial) | |
1785 | return; | |
1786 | ||
f32d4091 KS |
1787 | internal_terminal |
1788 | = (!noninteractive) && term && !strcmp (term, "internal"); | |
1789 | ||
f32d4091 KS |
1790 | #ifndef HAVE_X_WINDOWS |
1791 | if (!internal_terminal || inhibit_window_system) | |
1792 | { | |
2d764c78 | 1793 | sf->output_method = output_termcap; |
f32d4091 KS |
1794 | return; |
1795 | } | |
1796 | ||
3e1944a3 | 1797 | tty = FRAME_TTY (sf); |
026d69ec | 1798 | KVAR (current_kboard, Vwindow_system) = Qpc; |
f12dae2f | 1799 | sf->output_method = output_msdos_raw; |
2306a735 | 1800 | if (init_needed) |
3e1944a3 | 1801 | { |
2306a735 EZ |
1802 | if (!tty->termscript && getenv ("EMACSTEST")) |
1803 | tty->termscript = fopen (getenv ("EMACSTEST"), "wt"); | |
1804 | if (tty->termscript) | |
1805 | { | |
1806 | time_t now = time (NULL); | |
1807 | struct tm *tnow = localtime (&now); | |
1808 | char tbuf[100]; | |
3e1944a3 | 1809 | |
2306a735 EZ |
1810 | strftime (tbuf, sizeof (tbuf) - 1, "%a %b %e %Y %H:%M:%S %Z", tnow); |
1811 | fprintf (tty->termscript, "\nEmacs session started at %s\n", tbuf); | |
1812 | fprintf (tty->termscript, "=====================\n\n"); | |
1813 | } | |
3e1944a3 | 1814 | |
2306a735 EZ |
1815 | Vinitial_window_system = Qpc; |
1816 | Vwindow_system_version = make_number (23); /* RE Emacs version */ | |
1817 | tty->terminal->type = output_msdos_raw; | |
039274cf | 1818 | |
2306a735 EZ |
1819 | /* If Emacs was dumped on DOS/V machine, forget the stale VRAM |
1820 | address. */ | |
1821 | screen_old_address = 0; | |
039274cf | 1822 | |
2306a735 EZ |
1823 | /* Forget the stale screen colors as well. */ |
1824 | initial_screen_colors[0] = initial_screen_colors[1] = -1; | |
2d764c78 | 1825 | |
2306a735 EZ |
1826 | FRAME_BACKGROUND_PIXEL (SELECTED_FRAME ()) = 7; /* White */ |
1827 | FRAME_FOREGROUND_PIXEL (SELECTED_FRAME ()) = 0; /* Black */ | |
1828 | bright_bg (); | |
1829 | colors = getenv ("EMACSCOLORS"); | |
1830 | if (colors && strlen (colors) >= 2) | |
1831 | { | |
1832 | /* The colors use 4 bits each (we enable bright background). */ | |
1833 | if (isdigit (colors[0])) | |
1834 | colors[0] -= '0'; | |
1835 | else if (isxdigit (colors[0])) | |
1836 | colors[0] -= (isupper (colors[0]) ? 'A' : 'a') - 10; | |
1837 | if (colors[0] >= 0 && colors[0] < 16) | |
1838 | FRAME_FOREGROUND_PIXEL (SELECTED_FRAME ()) = colors[0]; | |
1839 | if (isdigit (colors[1])) | |
1840 | colors[1] -= '0'; | |
1841 | else if (isxdigit (colors[1])) | |
1842 | colors[1] -= (isupper (colors[1]) ? 'A' : 'a') - 10; | |
1843 | if (colors[1] >= 0 && colors[1] < 16) | |
1844 | FRAME_BACKGROUND_PIXEL (SELECTED_FRAME ()) = colors[1]; | |
1845 | } | |
34574c02 EZ |
1846 | the_only_display_info.mouse_highlight.mouse_face_mouse_frame = NULL; |
1847 | the_only_display_info.mouse_highlight.mouse_face_deferred_gc = 0; | |
1848 | the_only_display_info.mouse_highlight.mouse_face_beg_row = | |
1849 | the_only_display_info.mouse_highlight.mouse_face_beg_col = -1; | |
1850 | the_only_display_info.mouse_highlight.mouse_face_end_row = | |
1851 | the_only_display_info.mouse_highlight.mouse_face_end_col = -1; | |
1852 | the_only_display_info.mouse_highlight.mouse_face_face_id = DEFAULT_FACE_ID; | |
1853 | the_only_display_info.mouse_highlight.mouse_face_window = Qnil; | |
1854 | the_only_display_info.mouse_highlight.mouse_face_mouse_x = | |
1855 | the_only_display_info.mouse_highlight.mouse_face_mouse_y = 0; | |
1856 | the_only_display_info.mouse_highlight.mouse_face_defer = 0; | |
1857 | the_only_display_info.mouse_highlight.mouse_face_hidden = 0; | |
2306a735 EZ |
1858 | |
1859 | if (have_mouse) /* detected in dos_ttraw, which see */ | |
1860 | { | |
1861 | have_mouse = 1; /* enable mouse */ | |
1862 | mouse_visible = 0; | |
1863 | mouse_setup_buttons (mouse_button_count); | |
1864 | tty->terminal->mouse_position_hook = &mouse_get_pos; | |
1865 | mouse_init (); | |
1866 | } | |
f32d4091 | 1867 | |
2306a735 EZ |
1868 | if (tty->termscript && screen_size) |
1869 | fprintf (tty->termscript, "<SCREEN SAVED (dimensions=%dx%d)>\n", | |
1870 | screen_size_X, screen_size_Y); | |
f32d4091 | 1871 | |
f12dae2f | 1872 | init_frame_faces (sf); |
2306a735 EZ |
1873 | init_needed = 0; |
1874 | } | |
f32d4091 KS |
1875 | #endif |
1876 | } | |
1877 | ||
3e1944a3 EZ |
1878 | void |
1879 | initialize_msdos_display (struct terminal *term) | |
1880 | { | |
1881 | term->rif = 0; /* we don't support window-based display */ | |
1882 | term->cursor_to_hook = term->raw_cursor_to_hook = IT_cursor_to; | |
1883 | term->clear_to_end_hook = IT_clear_to_end; | |
1884 | term->clear_frame_hook = IT_clear_screen; | |
1885 | term->clear_end_of_line_hook = IT_clear_end_of_line; | |
1886 | term->ins_del_lines_hook = 0; | |
1887 | term->insert_glyphs_hook = IT_insert_glyphs; | |
1888 | term->write_glyphs_hook = IT_write_glyphs; | |
1889 | term->delete_glyphs_hook = IT_delete_glyphs; | |
1890 | term->ring_bell_hook = IT_ring_bell; | |
1891 | term->reset_terminal_modes_hook = IT_reset_terminal_modes; | |
1892 | term->set_terminal_modes_hook = IT_set_terminal_modes; | |
1893 | term->set_terminal_window_hook = IT_set_terminal_window; | |
1894 | term->update_begin_hook = IT_update_begin; | |
1895 | term->update_end_hook = IT_update_end; | |
1896 | term->frame_up_to_date_hook = IT_frame_up_to_date; | |
1897 | term->mouse_position_hook = 0; /* set later by dos_ttraw */ | |
1898 | term->frame_rehighlight_hook = 0; | |
1899 | term->frame_raise_lower_hook = 0; | |
1900 | term->set_vertical_scroll_bar_hook = 0; | |
1901 | term->condemn_scroll_bars_hook = 0; | |
1902 | term->redeem_scroll_bar_hook = 0; | |
1903 | term->judge_scroll_bars_hook = 0; | |
1904 | term->read_socket_hook = &tty_read_avail_input; /* from keyboard.c */ | |
1905 | } | |
1906 | ||
3a8ce822 EZ |
1907 | int |
1908 | dos_get_saved_screen (char **screen, int *rows, int *cols) | |
f32d4091 KS |
1909 | { |
1910 | #ifndef HAVE_X_WINDOWS | |
1911 | *screen = startup_screen_buffer; | |
1912 | *cols = startup_screen_size_X; | |
1913 | *rows = startup_screen_size_Y; | |
039274cf | 1914 | return *screen != (char *)0; |
f32d4091 KS |
1915 | #else |
1916 | return 0; | |
56e19ec4 | 1917 | #endif |
f32d4091 | 1918 | } |
3bb1f22f RS |
1919 | |
1920 | #ifndef HAVE_X_WINDOWS | |
1921 | ||
1922 | /* We are not X, but we can emulate it well enough for our needs... */ | |
1923 | void | |
1924 | check_x (void) | |
1925 | { | |
2d764c78 EZ |
1926 | if (! FRAME_MSDOS_P (SELECTED_FRAME())) |
1927 | error ("Not running under a window system"); | |
3bb1f22f RS |
1928 | } |
1929 | ||
1930 | #endif | |
1931 | ||
5063b150 | 1932 | \f |
f32d4091 KS |
1933 | /* ----------------------- Keyboard control ---------------------- |
1934 | * | |
1935 | * Keymaps reflect the following keyboard layout: | |
1936 | * | |
1937 | * 0 1 2 3 4 5 6 7 8 9 10 11 12 BS | |
1938 | * TAB 15 16 17 18 19 20 21 22 23 24 25 26 (41) | |
1939 | * CLOK 30 31 32 33 34 35 36 37 38 39 40 (41) RET | |
1940 | * SH () 45 46 47 48 49 50 51 52 53 54 SHIFT | |
1941 | * SPACE | |
1942 | */ | |
1943 | ||
d1d5dc19 EZ |
1944 | #define Ignore 0x0000 |
1945 | #define Normal 0x0000 /* normal key - alt changes scan-code */ | |
1946 | #define FctKey 0x1000 /* func key if c == 0, else c */ | |
1947 | #define Special 0x2000 /* func key even if c != 0 */ | |
1948 | #define ModFct 0x3000 /* special if mod-keys, else 'c' */ | |
1949 | #define Map 0x4000 /* alt scan-code, map to unshift/shift key */ | |
1950 | #define KeyPad 0x5000 /* map to insert/kp-0 depending on c == 0xe0 */ | |
1951 | #define Grey 0x6000 /* Grey keypad key */ | |
1952 | ||
1953 | #define Alt 0x0100 /* alt scan-code */ | |
1954 | #define Ctrl 0x0200 /* ctrl scan-code */ | |
1955 | #define Shift 0x0400 /* shift scan-code */ | |
1956 | ||
db9cd97a | 1957 | static int extended_kbd; /* 101 (102) keyboard present. */ |
f32d4091 | 1958 | |
d1d5dc19 EZ |
1959 | struct kbd_translate { |
1960 | unsigned char sc; | |
1961 | unsigned char ch; | |
1962 | unsigned short code; | |
1963 | }; | |
1964 | ||
f32d4091 KS |
1965 | struct dos_keyboard_map |
1966 | { | |
1967 | char *unshifted; | |
1968 | char *shifted; | |
1969 | char *alt_gr; | |
d1d5dc19 | 1970 | struct kbd_translate *translate_table; |
f32d4091 KS |
1971 | }; |
1972 | ||
1973 | ||
1974 | static struct dos_keyboard_map us_keyboard = { | |
1975 | /* 0 1 2 3 4 5 */ | |
1976 | /* 01234567890123456789012345678901234567890 12345678901234 */ | |
1977 | "`1234567890-= qwertyuiop[] asdfghjkl;'\\ zxcvbnm,./ ", | |
1978 | /* 0123456789012345678901234567890123456789 012345678901234 */ | |
1979 | "~!@#$%^&*()_+ QWERTYUIOP{} ASDFGHJKL:\"| ZXCVBNM<>? ", | |
d1d5dc19 EZ |
1980 | 0, /* no Alt-Gr key */ |
1981 | 0 /* no translate table */ | |
f32d4091 KS |
1982 | }; |
1983 | ||
1984 | static struct dos_keyboard_map fr_keyboard = { | |
1985 | /* 0 1 2 3 4 5 */ | |
1986 | /* 012 3456789012345678901234567890123456789012345678901234 */ | |
1987 |