Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
4a8130f2 | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002 |
d284f58f | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
10 | any later version. |
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 | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
28d440ab KL |
29 | #include <sys/file.h> |
30 | ||
0c72d684 | 31 | #include <unistd.h> /* For isatty. */ |
67ad74df KL |
32 | |
33 | #if HAVE_TERMIOS_H | |
34 | #include <termios.h> /* For TIOCNOTTY. */ | |
35 | #endif | |
03a1d6bd KL |
36 | |
37 | #include <signal.h> | |
0c72d684 | 38 | |
9628b887 | 39 | #include "lisp.h" |
08a24c47 JB |
40 | #include "termchar.h" |
41 | #include "termopts.h" | |
a4decb7f KH |
42 | #include "charset.h" |
43 | #include "coding.h" | |
2538fae4 | 44 | #include "keyboard.h" |
ff11dfa1 | 45 | #include "frame.h" |
08a24c47 JB |
46 | #include "disptab.h" |
47 | #include "termhooks.h" | |
dfcf069d | 48 | #include "dispextern.h" |
a168702a | 49 | #include "window.h" |
8feddab4 | 50 | #include "keymap.h" |
03a1d6bd KL |
51 | #include "syssignal.h" |
52 | #include "systty.h" | |
a168702a | 53 | |
ff23e1dd GM |
54 | /* For now, don't try to include termcap.h. On some systems, |
55 | configure finds a non-standard termcap.h that the main build | |
56 | won't find. */ | |
57 | ||
58 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 59 | #include <termcap.h> |
46d1b2bc DL |
60 | #else |
61 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
62 | extern int tgetent P_ ((char *, const char *)); | |
63 | extern int tgetflag P_ ((char *id)); | |
64 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
65 | #endif |
66 | ||
eccec691 | 67 | #include "cm.h" |
dfcf069d AS |
68 | #ifdef HAVE_X_WINDOWS |
69 | #include "xterm.h" | |
70 | #endif | |
e0f712ba | 71 | #ifdef MAC_OS |
1a578e9b AC |
72 | #include "macterm.h" |
73 | #endif | |
c8951b18 | 74 | |
28d440ab KL |
75 | #ifndef O_RDWR |
76 | #define O_RDWR 2 | |
77 | #endif | |
78 | ||
0c72d684 KL |
79 | #ifndef O_NOCTTY |
80 | #define O_NOCTTY 0 | |
81 | #endif | |
82 | ||
a168702a GM |
83 | static void turn_on_face P_ ((struct frame *, int face_id)); |
84 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
85 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
86 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
fca177d4 | 87 | |
b6660415 KL |
88 | static struct display *get_tty_display (Lisp_Object display); |
89 | ||
3224dac1 | 90 | void delete_initial_display P_ ((struct display *)); |
428a555e KL |
91 | void create_tty_output P_ ((struct frame *)); |
92 | void delete_tty_output P_ ((struct frame *)); | |
a168702a | 93 | |
6548cf00 KL |
94 | #define OUTPUT(tty, a) \ |
95 | emacs_tputs ((tty), a, \ | |
96 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
97 | - curY (tty)), \ | |
98 | cmputc) | |
99 | ||
28d440ab KL |
100 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
101 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 102 | |
28d440ab | 103 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
104 | do { \ |
105 | if (a) \ | |
106 | emacs_tputs ((tty), a, \ | |
107 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
108 | - curY (tty) ), \ | |
109 | cmputc); \ | |
110 | } while (0) | |
177c0ea7 | 111 | |
28d440ab | 112 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 113 | |
f46c2aff KS |
114 | /* Display space properties */ |
115 | ||
116 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
117 | ||
c291d9ef | 118 | /* Function to use to ring the bell. */ |
a168702a | 119 | |
c291d9ef RS |
120 | Lisp_Object Vring_bell_function; |
121 | ||
0b0d3e0b KL |
122 | /* Functions to call after suspending a tty. */ |
123 | Lisp_Object Vsuspend_tty_functions; | |
124 | ||
125 | /* Functions to call after resuming a tty. */ | |
126 | Lisp_Object Vresume_tty_functions; | |
127 | ||
428a555e KL |
128 | /* Chain of all displays currently in use. */ |
129 | struct display *display_list; | |
28d440ab | 130 | |
3224dac1 KL |
131 | /* The initial display device, created by initial_term_init. */ |
132 | struct display *initial_display; | |
133 | ||
428a555e | 134 | /* Chain of all tty device parameters. */ |
28d7d09f | 135 | struct tty_display_info *tty_list; |
08a24c47 | 136 | |
fca177d4 KL |
137 | /* Nonzero means no need to redraw the entire frame on resuming a |
138 | suspended Emacs. This is useful on terminals with multiple | |
139 | pages, where one page is used for Emacs and another for all | |
140 | else. */ | |
08a24c47 | 141 | int no_redraw_on_reenter; |
819b8f00 | 142 | |
4e6ba4a4 GM |
143 | |
144 | /* Meaning of bits in no_color_video. Each bit set means that the | |
145 | corresponding attribute cannot be combined with colors. */ | |
146 | ||
147 | enum no_color_bit | |
148 | { | |
149 | NC_STANDOUT = 1 << 0, | |
150 | NC_UNDERLINE = 1 << 1, | |
151 | NC_REVERSE = 1 << 2, | |
152 | NC_BLINK = 1 << 3, | |
153 | NC_DIM = 1 << 4, | |
154 | NC_BOLD = 1 << 5, | |
155 | NC_INVIS = 1 << 6, | |
156 | NC_PROTECT = 1 << 7, | |
157 | NC_ALT_CHARSET = 1 << 8 | |
158 | }; | |
159 | ||
08a24c47 JB |
160 | /* internal state */ |
161 | ||
8dd0c7cb | 162 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 163 | |
9882535b | 164 | int max_frame_cols; |
a168702a | 165 | |
8dd0c7cb | 166 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 167 | |
9882535b | 168 | int max_frame_lines; |
8dd0c7cb | 169 | |
0c72d684 KL |
170 | /* Non-zero if we have dropped our controlling tty and therefore |
171 | should not open a frame on stdout. */ | |
172 | static int no_controlling_tty; | |
173 | ||
b6660415 KL |
174 | /* The first unallocated display id. */ |
175 | static int next_display_id; | |
176 | ||
07c57952 | 177 | /* Provided for lisp packages. */ |
a168702a | 178 | |
07c57952 KH |
179 | static int system_uses_terminfo; |
180 | ||
08a24c47 | 181 | char *tparam (); |
e4bfb3b6 RS |
182 | |
183 | extern char *tgetstr (); | |
08a24c47 | 184 | \f |
cb28b9c2 | 185 | |
1a89b7c6 AI |
186 | #ifdef WINDOWSNT |
187 | /* We aren't X windows, but we aren't termcap either. This makes me | |
188 | uncertain as to what value to use for frame.output_method. For | |
189 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
190 | output hooks get called instead of the termcap functions. Probably | |
191 | the best long-term solution is to define an output_windows_nt... */ | |
192 | ||
193 | #undef FRAME_TERMCAP_P | |
194 | #define FRAME_TERMCAP_P(_f_) 0 | |
195 | #endif /* WINDOWSNT */ | |
196 | ||
dfcf069d | 197 | void |
385ed61f | 198 | ring_bell (struct frame *f) |
08a24c47 | 199 | { |
d284f58f | 200 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
201 | { |
202 | Lisp_Object function; | |
203 | ||
204 | /* Temporarily set the global variable to nil | |
205 | so that if we get an error, it stays nil | |
206 | and we don't call it over and over. | |
207 | ||
208 | We don't specbind it, because that would carefully | |
209 | restore the bad value if there's an error | |
210 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 211 | |
c291d9ef RS |
212 | function = Vring_bell_function; |
213 | Vring_bell_function = Qnil; | |
214 | ||
215 | call0 (function); | |
216 | ||
217 | Vring_bell_function = function; | |
08a24c47 | 218 | } |
428a555e | 219 | else if (FRAME_DISPLAY (f)->ring_bell_hook) |
385ed61f | 220 | (*FRAME_DISPLAY (f)->ring_bell_hook) (f); |
08a24c47 JB |
221 | } |
222 | ||
da8e1115 KL |
223 | /* Ring the bell on a tty. */ |
224 | ||
3224dac1 | 225 | void |
385ed61f | 226 | tty_ring_bell (struct frame *f) |
3224dac1 | 227 | { |
3224dac1 KL |
228 | struct tty_display_info *tty = FRAME_TTY (f); |
229 | ||
b6660415 KL |
230 | if (tty->output) |
231 | { | |
232 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
233 | ? tty->TS_visible_bell | |
234 | : tty->TS_bell)); | |
235 | fflush (tty->output); | |
236 | } | |
3224dac1 KL |
237 | } |
238 | ||
da8e1115 KL |
239 | /* Set up termcap modes for Emacs. */ |
240 | ||
241 | void | |
242 | tty_set_terminal_modes (struct display *display) | |
fca177d4 | 243 | { |
3224dac1 KL |
244 | struct tty_display_info *tty = display->display_info.tty; |
245 | ||
0b0d3e0b KL |
246 | if (tty->output) |
247 | { | |
248 | OUTPUT_IF (tty, tty->TS_termcap_modes); | |
249 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
250 | OUTPUT_IF (tty, tty->TS_keypad_mode); | |
251 | losecursor (tty); | |
252 | } | |
fca177d4 KL |
253 | } |
254 | ||
da8e1115 KL |
255 | /* Reset termcap modes before exiting Emacs. */ |
256 | ||
257 | void | |
258 | tty_reset_terminal_modes (struct display *display) | |
fca177d4 | 259 | { |
3224dac1 | 260 | struct tty_display_info *tty = display->display_info.tty; |
0b0d3e0b KL |
261 | |
262 | if (tty->output) | |
263 | { | |
264 | turn_off_highlight (tty); | |
265 | turn_off_insert (tty); | |
266 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); | |
267 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
268 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
269 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
270 | /* Output raw CR so kernel can track the cursor hpos. */ | |
271 | current_tty = tty; | |
272 | cmputc ('\r'); | |
273 | } | |
fca177d4 KL |
274 | } |
275 | ||
dfcf069d | 276 | void |
6839f1e2 | 277 | update_begin (struct frame *f) |
08a24c47 | 278 | { |
428a555e KL |
279 | if (FRAME_DISPLAY (f)->update_begin_hook) |
280 | (*FRAME_DISPLAY (f)->update_begin_hook) (f); | |
08a24c47 JB |
281 | } |
282 | ||
dfcf069d | 283 | void |
6839f1e2 | 284 | update_end (struct frame *f) |
08a24c47 | 285 | { |
428a555e KL |
286 | if (FRAME_DISPLAY (f)->update_end_hook) |
287 | (*FRAME_DISPLAY (f)->update_end_hook) (f); | |
08a24c47 JB |
288 | } |
289 | ||
da8e1115 KL |
290 | /* Flag the end of a display update on a termcap display. */ |
291 | ||
3224dac1 KL |
292 | void |
293 | tty_update_end (struct frame *f) | |
294 | { | |
295 | struct tty_display_info *tty = FRAME_TTY (f); | |
296 | ||
297 | if (!XWINDOW (selected_window)->cursor_off_p) | |
298 | tty_show_cursor (tty); | |
299 | turn_off_insert (tty); | |
300 | background_highlight (tty); | |
301 | } | |
302 | ||
da8e1115 KL |
303 | /* Specify how many text lines, from the top of the window, |
304 | should be affected by insert-lines and delete-lines operations. | |
305 | This, and those operations, are used only within an update | |
306 | that is bounded by calls to update_begin and update_end. */ | |
307 | ||
dfcf069d | 308 | void |
6839f1e2 | 309 | set_terminal_window (struct frame *f, int size) |
08a24c47 | 310 | { |
428a555e | 311 | if (FRAME_DISPLAY (f)->set_terminal_window_hook) |
385ed61f | 312 | (*FRAME_DISPLAY (f)->set_terminal_window_hook) (f, size); |
3224dac1 KL |
313 | } |
314 | ||
da8e1115 KL |
315 | /* The implementation of set_terminal_window for termcap frames. */ |
316 | ||
3224dac1 | 317 | void |
385ed61f | 318 | tty_set_terminal_window (struct frame *f, int size) |
3224dac1 | 319 | { |
3224dac1 KL |
320 | struct tty_display_info *tty = FRAME_TTY (f); |
321 | ||
322 | tty->specified_window = size ? size : FRAME_LINES (f); | |
323 | if (FRAME_SCROLL_REGION_OK (f)) | |
385ed61f | 324 | set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
325 | } |
326 | ||
dfcf069d | 327 | void |
6839f1e2 | 328 | set_scroll_region (struct frame *f, int start, int stop) |
08a24c47 JB |
329 | { |
330 | char *buf; | |
28d7d09f | 331 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 332 | |
fca177d4 KL |
333 | if (tty->TS_set_scroll_region) |
334 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
335 | else if (tty->TS_set_scroll_region_1) | |
336 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
337 | FRAME_LINES (f), start, |
338 | FRAME_LINES (f) - stop, | |
339 | FRAME_LINES (f)); | |
08a24c47 | 340 | else |
fca177d4 | 341 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 342 | |
6548cf00 | 343 | OUTPUT (tty, buf); |
9ac0d9e0 | 344 | xfree (buf); |
6548cf00 | 345 | losecursor (tty); |
08a24c47 | 346 | } |
d284f58f | 347 | |
08a24c47 | 348 | \f |
d284f58f | 349 | static void |
28d7d09f | 350 | turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 351 | { |
fca177d4 KL |
352 | if (!tty->insert_mode) |
353 | OUTPUT (tty, tty->TS_insert_mode); | |
354 | tty->insert_mode = 1; | |
08a24c47 JB |
355 | } |
356 | ||
dfcf069d | 357 | void |
28d7d09f | 358 | turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 359 | { |
fca177d4 KL |
360 | if (tty->insert_mode) |
361 | OUTPUT (tty, tty->TS_end_insert_mode); | |
362 | tty->insert_mode = 0; | |
08a24c47 JB |
363 | } |
364 | \f | |
54800acb | 365 | /* Handle highlighting. */ |
08a24c47 | 366 | |
dfcf069d | 367 | void |
28d7d09f | 368 | turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 369 | { |
fca177d4 KL |
370 | if (tty->standout_mode) |
371 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
372 | tty->standout_mode = 0; | |
08a24c47 JB |
373 | } |
374 | ||
d284f58f | 375 | static void |
28d7d09f | 376 | turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 377 | { |
fca177d4 KL |
378 | if (!tty->standout_mode) |
379 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
380 | tty->standout_mode = 1; | |
08a24c47 JB |
381 | } |
382 | ||
86a7d192 | 383 | static void |
28d7d09f | 384 | toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 385 | { |
fca177d4 KL |
386 | if (tty->standout_mode) |
387 | turn_off_highlight (tty); | |
86a7d192 | 388 | else |
fca177d4 | 389 | turn_on_highlight (tty); |
86a7d192 GM |
390 | } |
391 | ||
a168702a GM |
392 | |
393 | /* Make cursor invisible. */ | |
394 | ||
395 | static void | |
28d7d09f | 396 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 397 | { |
fca177d4 | 398 | if (tty->cursor_hidden == 0) |
d284f58f | 399 | { |
fca177d4 KL |
400 | tty->cursor_hidden = 1; |
401 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 402 | } |
a168702a GM |
403 | } |
404 | ||
405 | ||
406 | /* Ensure that cursor is visible. */ | |
407 | ||
408 | static void | |
28d7d09f | 409 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 410 | { |
fca177d4 | 411 | if (tty->cursor_hidden) |
d284f58f | 412 | { |
fca177d4 KL |
413 | tty->cursor_hidden = 0; |
414 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
415 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
d284f58f | 416 | } |
a168702a GM |
417 | } |
418 | ||
419 | ||
08a24c47 JB |
420 | /* Set standout mode to the state it should be in for |
421 | empty space inside windows. What this is, | |
422 | depends on the user option inverse-video. */ | |
423 | ||
dfcf069d | 424 | void |
28d7d09f | 425 | background_highlight (struct tty_display_info *tty) |
08a24c47 | 426 | { |
08a24c47 | 427 | if (inverse_video) |
fca177d4 | 428 | turn_on_highlight (tty); |
08a24c47 | 429 | else |
fca177d4 | 430 | turn_off_highlight (tty); |
08a24c47 JB |
431 | } |
432 | ||
433 | /* Set standout mode to the mode specified for the text to be output. */ | |
434 | ||
dfcf069d | 435 | static void |
28d7d09f | 436 | highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 437 | { |
8ede64a5 | 438 | if (inverse_video) |
fca177d4 | 439 | turn_on_highlight (tty); |
8ede64a5 | 440 | else |
fca177d4 | 441 | turn_off_highlight (tty); |
08a24c47 JB |
442 | } |
443 | \f | |
444 | ||
a168702a GM |
445 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
446 | frame-relative coordinates. */ | |
08a24c47 | 447 | |
dfcf069d | 448 | void |
6839f1e2 | 449 | cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 450 | { |
428a555e | 451 | if (FRAME_DISPLAY (f)->cursor_to_hook) |
385ed61f | 452 | (*FRAME_DISPLAY (f)->cursor_to_hook) (f, vpos, hpos); |
3224dac1 | 453 | } |
08a24c47 | 454 | |
3224dac1 | 455 | void |
385ed61f | 456 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
3224dac1 | 457 | { |
3224dac1 | 458 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 459 | |
36cae867 KH |
460 | /* Detect the case where we are called from reset_sys_modes |
461 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 462 | if (! tty->costs_set) |
36cae867 KH |
463 | return; |
464 | ||
6548cf00 KL |
465 | if (curY (tty) == vpos |
466 | && curX (tty) == hpos) | |
08a24c47 | 467 | return; |
fca177d4 KL |
468 | if (!tty->TF_standout_motion) |
469 | background_highlight (tty); | |
470 | if (!tty->TF_insmode_motion) | |
471 | turn_off_insert (tty); | |
6548cf00 | 472 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
473 | } |
474 | ||
475 | /* Similar but don't take any account of the wasted characters. */ | |
476 | ||
dfcf069d | 477 | void |
6839f1e2 | 478 | raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 479 | { |
428a555e | 480 | if (FRAME_DISPLAY (f)->raw_cursor_to_hook) |
385ed61f | 481 | (*FRAME_DISPLAY (f)->raw_cursor_to_hook) (f, row, col); |
3224dac1 KL |
482 | } |
483 | ||
484 | void | |
385ed61f | 485 | tty_raw_cursor_to (struct frame *f, int row, int col) |
3224dac1 | 486 | { |
3224dac1 KL |
487 | struct tty_display_info *tty = FRAME_TTY (f); |
488 | ||
6548cf00 KL |
489 | if (curY (tty) == row |
490 | && curX (tty) == col) | |
08a24c47 | 491 | return; |
fca177d4 KL |
492 | if (!tty->TF_standout_motion) |
493 | background_highlight (tty); | |
494 | if (!tty->TF_insmode_motion) | |
495 | turn_off_insert (tty); | |
6548cf00 | 496 | cmgoto (tty, row, col); |
08a24c47 JB |
497 | } |
498 | \f | |
499 | /* Erase operations */ | |
500 | ||
da8e1115 | 501 | /* Clear from cursor to end of frame. */ |
dfcf069d | 502 | void |
385ed61f | 503 | clear_to_end (struct frame *f) |
08a24c47 | 504 | { |
428a555e | 505 | if (FRAME_DISPLAY (f)->clear_to_end_hook) |
385ed61f | 506 | (*FRAME_DISPLAY (f)->clear_to_end_hook) (f); |
3224dac1 KL |
507 | } |
508 | ||
da8e1115 KL |
509 | /* Clear from cursor to end of frame on a termcap device. */ |
510 | ||
3224dac1 | 511 | void |
385ed61f | 512 | tty_clear_to_end (struct frame *f) |
3224dac1 KL |
513 | { |
514 | register int i; | |
3224dac1 KL |
515 | struct tty_display_info *tty = FRAME_TTY (f); |
516 | ||
fca177d4 | 517 | if (tty->TS_clr_to_bottom) |
08a24c47 | 518 | { |
fca177d4 KL |
519 | background_highlight (tty); |
520 | OUTPUT (tty, tty->TS_clr_to_bottom); | |
08a24c47 JB |
521 | } |
522 | else | |
523 | { | |
6548cf00 | 524 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 525 | { |
385ed61f KL |
526 | cursor_to (f, i, 0); |
527 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
528 | } |
529 | } | |
530 | } | |
531 | ||
ff11dfa1 | 532 | /* Clear entire frame */ |
08a24c47 | 533 | |
dfcf069d | 534 | void |
385ed61f | 535 | clear_frame (struct frame *f) |
08a24c47 | 536 | { |
428a555e | 537 | if (FRAME_DISPLAY (f)->clear_frame_hook) |
385ed61f | 538 | (*FRAME_DISPLAY (f)->clear_frame_hook) (f); |
3224dac1 KL |
539 | } |
540 | ||
da8e1115 KL |
541 | /* Clear an entire termcap frame. */ |
542 | ||
3224dac1 | 543 | void |
385ed61f | 544 | tty_clear_frame (struct frame *f) |
3224dac1 | 545 | { |
3224dac1 KL |
546 | struct tty_display_info *tty = FRAME_TTY (f); |
547 | ||
fca177d4 | 548 | if (tty->TS_clr_frame) |
08a24c47 | 549 | { |
fca177d4 KL |
550 | background_highlight (tty); |
551 | OUTPUT (tty, tty->TS_clr_frame); | |
6548cf00 | 552 | cmat (tty, 0, 0); |
08a24c47 JB |
553 | } |
554 | else | |
555 | { | |
385ed61f KL |
556 | cursor_to (f, 0, 0); |
557 | clear_to_end (f); | |
08a24c47 JB |
558 | } |
559 | } | |
560 | ||
08a24c47 JB |
561 | /* Clear from cursor to end of line. |
562 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
563 | |
564 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
565 | ||
dfcf069d | 566 | void |
6839f1e2 | 567 | clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 | 568 | { |
428a555e | 569 | if (FRAME_DISPLAY (f)->clear_end_of_line_hook) |
385ed61f | 570 | (*FRAME_DISPLAY (f)->clear_end_of_line_hook) (f, first_unused_hpos); |
0a125897 | 571 | } |
6548cf00 | 572 | |
da8e1115 KL |
573 | /* An implementation of clear_end_of_line for termcap frames. |
574 | ||
575 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
576 | ||
0a125897 | 577 | void |
385ed61f | 578 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
0a125897 KL |
579 | { |
580 | register int i; | |
3224dac1 KL |
581 | struct tty_display_info *tty = FRAME_TTY (f); |
582 | ||
36cae867 KH |
583 | /* Detect the case where we are called from reset_sys_modes |
584 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 585 | if (! tty->costs_set) |
36cae867 KH |
586 | return; |
587 | ||
6548cf00 | 588 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 589 | return; |
fca177d4 KL |
590 | background_highlight (tty); |
591 | if (tty->TS_clr_line) | |
08a24c47 | 592 | { |
fca177d4 | 593 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
594 | } |
595 | else | |
596 | { /* have to do it the hard way */ | |
fca177d4 | 597 | turn_off_insert (tty); |
08a24c47 | 598 | |
a168702a | 599 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 600 | if (AutoWrap (tty) |
0a125897 KL |
601 | && curY (tty) == FrameRows (tty) - 1 |
602 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
603 | first_unused_hpos--; |
604 | ||
6548cf00 | 605 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 606 | { |
0b0d3e0b KL |
607 | if (tty->termscript) |
608 | fputc (' ', tty->termscript); | |
609 | fputc (' ', tty->output); | |
08a24c47 | 610 | } |
6548cf00 | 611 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
612 | } |
613 | } | |
614 | \f | |
a4decb7f KH |
615 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
616 | store them at DST. Do not write more than DST_LEN bytes. That may | |
617 | require stopping before all SRC_LEN input glyphs have been | |
618 | converted. | |
619 | ||
620 | We store the number of glyphs actually converted in *CONSUMED. The | |
621 | return value is the number of bytes store in DST. */ | |
622 | ||
623 | int | |
10f6d27d KL |
624 | encode_terminal_code (struct coding_system *coding, |
625 | struct glyph *src, | |
626 | unsigned char *dst, | |
627 | int src_len, | |
628 | int dst_len, | |
629 | int *consumed) | |
a4decb7f | 630 | { |
a168702a | 631 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 632 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 633 | register GLYPH g; |
405ea71c KR |
634 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH]; |
635 | const unsigned char *buf; | |
6589fd67 | 636 | int len; |
a4decb7f KH |
637 | register int tlen = GLYPH_TABLE_LENGTH; |
638 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 639 | int result; |
6589fd67 | 640 | |
b8299c66 | 641 | /* If the specified coding does any conversion, use it, otherwise use |
1ac0700a | 642 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here |
b8299c66 KL |
643 | because it always returns 1 if the member src_multibyte is 1. */ |
644 | coding = (coding->common_flags & CODING_REQUIRE_ENCODING_MASK | |
645 | ? coding | |
6589fd67 | 646 | : &safe_terminal_coding); |
a4decb7f KH |
647 | |
648 | while (src < src_end) | |
649 | { | |
a4decb7f | 650 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 651 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 652 | { |
32de38e4 KH |
653 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
654 | ||
655 | if (g < 0 || g >= tlen) | |
085d5908 | 656 | { |
32de38e4 KH |
657 | /* This glyph doesn't has an entry in Vglyph_table. */ |
658 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
659 | { | |
660 | len = 1; | |
661 | buf = " "; | |
f2ba40be | 662 | coding->src_multibyte = 0; |
32de38e4 KH |
663 | } |
664 | else | |
665 | { | |
666 | len = CHAR_STRING (src->u.ch, workbuf); | |
667 | buf = workbuf; | |
f2ba40be | 668 | coding->src_multibyte = 1; |
32de38e4 | 669 | } |
085d5908 | 670 | } |
32de38e4 | 671 | else |
a4decb7f | 672 | { |
32de38e4 | 673 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
674 | so process any alias before testing for simpleness. */ |
675 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
676 | |
677 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
678 | { | |
c989b7be KH |
679 | /* We set the multi-byte form of a character in G |
680 | (that should be an ASCII character) at | |
681 | WORKBUF. */ | |
682 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
683 | len = 1; | |
32de38e4 | 684 | buf = workbuf; |
f2ba40be | 685 | coding->src_multibyte = 0; |
32de38e4 KH |
686 | } |
687 | else | |
688 | { | |
689 | /* We have a string in Vglyph_table. */ | |
690 | len = GLYPH_LENGTH (tbase, g); | |
691 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 692 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 693 | } |
171d7f24 | 694 | } |
177c0ea7 | 695 | |
f3ac545f | 696 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 697 | len -= coding->consumed; |
6589fd67 | 698 | dst += coding->produced; |
f3ac545f KH |
699 | if (result == CODING_FINISH_INSUFFICIENT_DST |
700 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
701 | && len > dst_end - dst)) | |
702 | /* The remaining output buffer is too short. We must | |
703 | break the loop here without increasing SRC so that the | |
704 | next call of this function starts from the same glyph. */ | |
705 | break; | |
706 | ||
c42869c4 KH |
707 | if (len > 0) |
708 | { | |
f3ac545f KH |
709 | /* This is the case that a code of the range 0200..0237 |
710 | exists in buf. We must just write out such a code. */ | |
711 | buf += coding->consumed; | |
712 | while (len--) | |
713 | *dst++ = *buf++; | |
c42869c4 | 714 | } |
a4decb7f KH |
715 | } |
716 | src++; | |
717 | } | |
177c0ea7 | 718 | |
a4decb7f KH |
719 | *consumed = src - src_start; |
720 | return (dst - dst_start); | |
721 | } | |
722 | ||
08a24c47 | 723 | |
da8e1115 KL |
724 | /* Output LEN glyphs starting at STRING at the nominal cursor position. |
725 | Advance the nominal cursor over the text. */ | |
726 | ||
dfcf069d | 727 | void |
6839f1e2 | 728 | write_glyphs (struct frame *f, struct glyph *string, int len) |
3224dac1 | 729 | { |
3224dac1 | 730 | if (FRAME_DISPLAY (f)->write_glyphs_hook) |
385ed61f | 731 | (*FRAME_DISPLAY (f)->write_glyphs_hook) (f, string, len); |
3224dac1 KL |
732 | } |
733 | ||
da8e1115 KL |
734 | /* An implementation of write_glyphs for termcap frames. */ |
735 | ||
3224dac1 | 736 | void |
385ed61f | 737 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 738 | { |
a4decb7f | 739 | int produced, consumed; |
d2fdb076 KH |
740 | unsigned char conversion_buffer[1024]; |
741 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 | 742 | |
3224dac1 | 743 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 744 | |
fca177d4 KL |
745 | turn_off_insert (tty); |
746 | tty_hide_cursor (tty); | |
08a24c47 | 747 | |
a168702a | 748 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 749 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 750 | |
6548cf00 KL |
751 | if (AutoWrap (tty) |
752 | && curY (tty) + 1 == FRAME_LINES (f) | |
753 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 754 | len --; |
a4decb7f KH |
755 | if (len <= 0) |
756 | return; | |
08a24c47 | 757 | |
6548cf00 | 758 | cmplus (tty, len); |
177c0ea7 | 759 | |
6589fd67 KH |
760 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
761 | the tail. */ | |
b8299c66 | 762 | FRAME_TERMINAL_CODING (f)->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 763 | |
a4decb7f | 764 | while (len > 0) |
08a24c47 | 765 | { |
a168702a | 766 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 767 | int face_id = string->face_id; |
a168702a | 768 | int n; |
177c0ea7 | 769 | |
a168702a | 770 | for (n = 1; n < len; ++n) |
32de38e4 | 771 | if (string[n].face_id != face_id) |
a168702a GM |
772 | break; |
773 | ||
774 | /* Turn appearance modes of the face of the run on. */ | |
fca177d4 | 775 | highlight_if_desired (tty); |
a168702a GM |
776 | turn_on_face (f, face_id); |
777 | ||
778 | while (n > 0) | |
08a24c47 | 779 | { |
d2fdb076 KH |
780 | /* We use a fixed size (1024 bytes) of conversion buffer. |
781 | Usually it is sufficient, but if not, we just repeat the | |
782 | loop. */ | |
b8299c66 KL |
783 | produced = encode_terminal_code (FRAME_TERMINAL_CODING (f), |
784 | string, conversion_buffer, | |
a168702a GM |
785 | n, conversion_buffer_size, |
786 | &consumed); | |
787 | if (produced > 0) | |
788 | { | |
28d440ab | 789 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b KL |
790 | tty->output); |
791 | if (ferror (tty->output)) | |
792 | clearerr (tty->output); | |
793 | if (tty->termscript) | |
28d440ab | 794 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b | 795 | tty->termscript); |
a168702a GM |
796 | } |
797 | len -= consumed; | |
798 | n -= consumed; | |
799 | string += consumed; | |
08a24c47 | 800 | } |
a168702a GM |
801 | |
802 | /* Turn appearance modes off. */ | |
803 | turn_off_face (f, face_id); | |
fca177d4 | 804 | turn_off_highlight (tty); |
a4decb7f | 805 | } |
177c0ea7 | 806 | |
a4decb7f | 807 | /* We may have to output some codes to terminate the writing. */ |
b8299c66 | 808 | if (CODING_REQUIRE_FLUSHING (FRAME_TERMINAL_CODING (f))) |
a4decb7f | 809 | { |
b8299c66 KL |
810 | FRAME_TERMINAL_CODING (f)->mode |= CODING_MODE_LAST_BLOCK; |
811 | encode_coding (FRAME_TERMINAL_CODING (f), "", | |
812 | conversion_buffer, 0, conversion_buffer_size); | |
813 | if (FRAME_TERMINAL_CODING (f)->produced > 0) | |
df8bf431 | 814 | { |
b8299c66 KL |
815 | fwrite (conversion_buffer, 1, |
816 | FRAME_TERMINAL_CODING (f)->produced, | |
0b0d3e0b KL |
817 | tty->output); |
818 | if (ferror (tty->output)) | |
819 | clearerr (tty->output); | |
820 | if (tty->termscript) | |
b8299c66 KL |
821 | fwrite (conversion_buffer, 1, |
822 | FRAME_TERMINAL_CODING (f)->produced, | |
0b0d3e0b | 823 | tty->termscript); |
df8bf431 | 824 | } |
08a24c47 | 825 | } |
177c0ea7 | 826 | |
6548cf00 | 827 | cmcheckmagic (tty); |
08a24c47 JB |
828 | } |
829 | ||
da8e1115 KL |
830 | /* Insert LEN glyphs from START at the nominal cursor position. |
831 | ||
832 | If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 833 | |
dfcf069d | 834 | void |
6839f1e2 | 835 | insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 | 836 | { |
a4decb7f KH |
837 | if (len <= 0) |
838 | return; | |
839 | ||
428a555e | 840 | if (FRAME_DISPLAY (f)->insert_glyphs_hook) |
385ed61f | 841 | (*FRAME_DISPLAY (f)->insert_glyphs_hook) (f, start, len); |
3224dac1 | 842 | } |
a168702a | 843 | |
da8e1115 KL |
844 | /* An implementation of insert_glyphs for termcap frames. */ |
845 | ||
3224dac1 | 846 | void |
385ed61f | 847 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
3224dac1 KL |
848 | { |
849 | char *buf; | |
850 | struct glyph *glyph = NULL; | |
3224dac1 KL |
851 | |
852 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 853 | |
fca177d4 | 854 | if (tty->TS_ins_multi_chars) |
08a24c47 | 855 | { |
fca177d4 | 856 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 857 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 858 | xfree (buf); |
08a24c47 | 859 | if (start) |
385ed61f | 860 | write_glyphs (f, start, len); |
08a24c47 JB |
861 | return; |
862 | } | |
863 | ||
fca177d4 | 864 | turn_on_insert (tty); |
6548cf00 | 865 | cmplus (tty, len); |
6589fd67 | 866 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
b8299c66 | 867 | FRAME_TERMINAL_CODING (f)->mode &= ~CODING_MODE_LAST_BLOCK; |
07109bf9 | 868 | while (len-- > 0) |
08a24c47 | 869 | { |
a4decb7f | 870 | int produced, consumed; |
d2fdb076 KH |
871 | unsigned char conversion_buffer[1024]; |
872 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 873 | |
fca177d4 | 874 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 875 | if (!start) |
32de38e4 KH |
876 | { |
877 | conversion_buffer[0] = SPACEGLYPH; | |
878 | produced = 1; | |
879 | } | |
08a24c47 | 880 | else |
08a24c47 | 881 | { |
fca177d4 | 882 | highlight_if_desired (tty); |
32de38e4 | 883 | turn_on_face (f, start->face_id); |
816be8b8 | 884 | glyph = start; |
a168702a | 885 | ++start; |
a4decb7f KH |
886 | /* We must open sufficient space for a character which |
887 | occupies more than one column. */ | |
a168702a | 888 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 889 | { |
fca177d4 | 890 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
891 | start++, len--; |
892 | } | |
a4decb7f | 893 | |
32de38e4 KH |
894 | if (len <= 0) |
895 | /* This is the last glyph. */ | |
b8299c66 | 896 | FRAME_TERMINAL_CODING (f)->mode |= CODING_MODE_LAST_BLOCK; |
32de38e4 | 897 | |
d2fdb076 KH |
898 | /* The size of conversion buffer (1024 bytes) is surely |
899 | sufficient for just one glyph. */ | |
10f6d27d KL |
900 | produced = encode_terminal_code (FRAME_TERMINAL_CODING (f), |
901 | glyph, conversion_buffer, 1, | |
32de38e4 KH |
902 | conversion_buffer_size, &consumed); |
903 | } | |
a4decb7f | 904 | |
a4decb7f | 905 | if (produced > 0) |
08a24c47 | 906 | { |
28d440ab | 907 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b KL |
908 | tty->output); |
909 | if (ferror (tty->output)) | |
910 | clearerr (tty->output); | |
911 | if (tty->termscript) | |
28d440ab | 912 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b | 913 | tty->termscript); |
08a24c47 JB |
914 | } |
915 | ||
fca177d4 | 916 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 917 | if (start) |
65aa5e85 GM |
918 | { |
919 | turn_off_face (f, glyph->face_id); | |
fca177d4 | 920 | turn_off_highlight (tty); |
65aa5e85 | 921 | } |
9a6b6f92 | 922 | } |
177c0ea7 | 923 | |
6548cf00 | 924 | cmcheckmagic (tty); |
08a24c47 JB |
925 | } |
926 | ||
da8e1115 KL |
927 | /* Delete N glyphs at the nominal cursor position. */ |
928 | ||
dfcf069d | 929 | void |
6839f1e2 | 930 | delete_glyphs (struct frame *f, int n) |
08a24c47 | 931 | { |
428a555e | 932 | if (FRAME_DISPLAY (f)->delete_glyphs_hook) |
385ed61f | 933 | (*FRAME_DISPLAY (f)->delete_glyphs_hook) (f, n); |
3224dac1 | 934 | } |
08a24c47 | 935 | |
da8e1115 KL |
936 | /* An implementation of delete_glyphs for termcap frames. */ |
937 | ||
3224dac1 | 938 | void |
385ed61f | 939 | tty_delete_glyphs (struct frame *f, int n) |
3224dac1 KL |
940 | { |
941 | char *buf; | |
942 | register int i; | |
3224dac1 KL |
943 | |
944 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 945 | |
fca177d4 | 946 | if (tty->delete_in_insert_mode) |
08a24c47 | 947 | { |
fca177d4 | 948 | turn_on_insert (tty); |
08a24c47 JB |
949 | } |
950 | else | |
951 | { | |
fca177d4 KL |
952 | turn_off_insert (tty); |
953 | OUTPUT_IF (tty, tty->TS_delete_mode); | |
08a24c47 | 954 | } |
daf01701 | 955 | |
fca177d4 | 956 | if (tty->TS_del_multi_chars) |
08a24c47 | 957 | { |
fca177d4 | 958 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 959 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 960 | xfree (buf); |
08a24c47 JB |
961 | } |
962 | else | |
963 | for (i = 0; i < n; i++) | |
fca177d4 KL |
964 | OUTPUT1 (tty, tty->TS_del_char); |
965 | if (!tty->delete_in_insert_mode) | |
966 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
967 | } |
968 | \f | |
969 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
970 | ||
dfcf069d | 971 | void |
6839f1e2 | 972 | ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 973 | { |
428a555e | 974 | if (FRAME_DISPLAY (f)->ins_del_lines_hook) |
385ed61f | 975 | (*FRAME_DISPLAY (f)->ins_del_lines_hook) (f, vpos, n); |
3224dac1 KL |
976 | } |
977 | ||
da8e1115 KL |
978 | /* An implementation of ins_del_lines for termcap frames. */ |
979 | ||
3224dac1 | 980 | void |
385ed61f | 981 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
3224dac1 | 982 | { |
3224dac1 KL |
983 | struct tty_display_info *tty = FRAME_TTY (f); |
984 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
985 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
986 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
987 | ||
988 | register int i = n > 0 ? n : -n; | |
989 | register char *buf; | |
990 | ||
991 | /* If the lines below the insertion are being pushed | |
992 | into the end of the window, this is the same as clearing; | |
993 | and we know the lines are already clear, since the matching | |
994 | deletion has already been done. So can ignore this. */ | |
995 | /* If the lines below the deletion are blank lines coming | |
996 | out of the end of the window, don't bother, | |
997 | as there will be a matching inslines later that will flush them. */ | |
998 | if (FRAME_SCROLL_REGION_OK (f) | |
999 | && vpos + i >= tty->specified_window) | |
1000 | return; | |
1001 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
1002 | && vpos + i >= FRAME_LINES (f)) | |
1003 | return; | |
1004 | ||
1005 | if (multi) | |
08a24c47 | 1006 | { |
6839f1e2 | 1007 | raw_cursor_to (f, vpos, 0); |
3224dac1 KL |
1008 | background_highlight (tty); |
1009 | buf = tparam (multi, 0, 0, i); | |
1010 | OUTPUT (tty, buf); | |
1011 | xfree (buf); | |
1012 | } | |
1013 | else if (single) | |
1014 | { | |
6839f1e2 | 1015 | raw_cursor_to (f, vpos, 0); |
3224dac1 KL |
1016 | background_highlight (tty); |
1017 | while (--i >= 0) | |
1018 | OUTPUT (tty, single); | |
1019 | if (tty->TF_teleray) | |
1020 | curX (tty) = 0; | |
08a24c47 | 1021 | } |
08a24c47 JB |
1022 | else |
1023 | { | |
385ed61f | 1024 | set_scroll_region (f, vpos, tty->specified_window); |
3224dac1 | 1025 | if (n < 0) |
6839f1e2 | 1026 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1027 | else |
6839f1e2 | 1028 | raw_cursor_to (f, vpos, 0); |
3224dac1 KL |
1029 | background_highlight (tty); |
1030 | while (--i >= 0) | |
1031 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
385ed61f | 1032 | set_scroll_region (f, 0, tty->specified_window); |
3224dac1 KL |
1033 | } |
1034 | ||
1035 | if (!FRAME_SCROLL_REGION_OK (f) | |
1036 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1037 | && n < 0) | |
1038 | { | |
385ed61f KL |
1039 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1040 | clear_to_end (f); | |
08a24c47 JB |
1041 | } |
1042 | } | |
1043 | \f | |
1044 | /* Compute cost of sending "str", in characters, | |
1045 | not counting any line-dependent padding. */ | |
1046 | ||
1047 | int | |
6839f1e2 | 1048 | string_cost (char *str) |
08a24c47 JB |
1049 | { |
1050 | cost = 0; | |
1051 | if (str) | |
1052 | tputs (str, 0, evalcost); | |
1053 | return cost; | |
1054 | } | |
1055 | ||
1056 | /* Compute cost of sending "str", in characters, | |
1057 | counting any line-dependent padding at one line. */ | |
1058 | ||
1059 | static int | |
6839f1e2 | 1060 | string_cost_one_line (char *str) |
08a24c47 JB |
1061 | { |
1062 | cost = 0; | |
1063 | if (str) | |
1064 | tputs (str, 1, evalcost); | |
1065 | return cost; | |
1066 | } | |
1067 | ||
1068 | /* Compute per line amount of line-dependent padding, | |
1069 | in tenths of characters. */ | |
1070 | ||
1071 | int | |
6839f1e2 | 1072 | per_line_cost (char *str) |
08a24c47 JB |
1073 | { |
1074 | cost = 0; | |
1075 | if (str) | |
1076 | tputs (str, 0, evalcost); | |
1077 | cost = - cost; | |
1078 | if (str) | |
1079 | tputs (str, 10, evalcost); | |
1080 | return cost; | |
1081 | } | |
1082 | ||
1083 | #ifndef old | |
1084 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1085 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1086 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1087 | |
1088 | int *char_ins_del_vector; | |
1089 | ||
9882535b | 1090 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1091 | #endif |
1092 | ||
1093 | /* ARGSUSED */ | |
1094 | static void | |
6839f1e2 | 1095 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1096 | { |
28d7d09f | 1097 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1098 | int ins_startup_cost, del_startup_cost; |
1099 | int ins_cost_per_char, del_cost_per_char; | |
1100 | register int i; | |
1101 | register int *p; | |
1102 | ||
fca177d4 | 1103 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1104 | { |
1105 | ins_cost_per_char = 0; | |
fca177d4 | 1106 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1107 | } |
fca177d4 KL |
1108 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1109 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1110 | { |
fca177d4 KL |
1111 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1112 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1113 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1114 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1115 | } |
1116 | else | |
1117 | { | |
1118 | ins_startup_cost = 9999; | |
1119 | ins_cost_per_char = 0; | |
1120 | } | |
1121 | ||
fca177d4 | 1122 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1123 | { |
1124 | del_cost_per_char = 0; | |
fca177d4 | 1125 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1126 | } |
fca177d4 | 1127 | else if (tty->TS_del_char) |
08a24c47 | 1128 | { |
fca177d4 KL |
1129 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1130 | + string_cost (tty->TS_end_delete_mode)); | |
1131 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1132 | del_startup_cost /= 2; |
fca177d4 | 1133 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1134 | } |
1135 | else | |
1136 | { | |
1137 | del_startup_cost = 9999; | |
1138 | del_cost_per_char = 0; | |
1139 | } | |
1140 | ||
1141 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1142 | p = &char_ins_del_cost (f)[0]; |
1143 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1144 | *--p = (del_startup_cost += del_cost_per_char); |
1145 | ||
1146 | /* Doing nothing is free */ | |
fca177d4 | 1147 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1148 | *p++ = 0; |
1149 | ||
1150 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1151 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1152 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1153 | } | |
1154 | ||
dfcf069d | 1155 | void |
6839f1e2 | 1156 | calculate_costs (struct frame *frame) |
08a24c47 | 1157 | { |
9f732a77 | 1158 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1159 | |
28d440ab | 1160 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1161 | { |
1162 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1163 | register char *f = (tty->TS_set_scroll_region | |
1164 | ? tty->TS_set_scroll_region | |
1165 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1166 | |
daf01701 | 1167 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1168 | |
daf01701 | 1169 | tty->costs_set = 1; |
08a24c47 | 1170 | |
daf01701 KL |
1171 | /* These variables are only used for terminal stuff. They are |
1172 | allocated once for the terminal frame of X-windows emacs, but not | |
1173 | used afterwards. | |
8dd0c7cb | 1174 | |
daf01701 KL |
1175 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1176 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1177 | |
daf01701 KL |
1178 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1179 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1180 | |
daf01701 KL |
1181 | if (char_ins_del_vector != 0) |
1182 | char_ins_del_vector | |
1183 | = (int *) xrealloc (char_ins_del_vector, | |
1184 | (sizeof (int) | |
1185 | + 2 * max_frame_cols * sizeof (int))); | |
1186 | else | |
1187 | char_ins_del_vector | |
1188 | = (int *) xmalloc (sizeof (int) | |
1189 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1190 | |
daf01701 KL |
1191 | bzero (char_ins_del_vector, (sizeof (int) |
1192 | + 2 * max_frame_cols * sizeof (int))); | |
1193 | ||
1194 | ||
1195 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1196 | do_line_insertion_deletion_costs (frame, | |
1197 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1198 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1199 | f, f, 1); | |
1200 | else | |
1201 | do_line_insertion_deletion_costs (frame, | |
1202 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1203 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1204 | 0, 0, 1); | |
1205 | ||
1206 | calculate_ins_del_char_costs (frame); | |
1207 | ||
1208 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1209 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1210 | tty->RPov = string_cost (tty->TS_repeat); | |
1211 | else | |
1212 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1213 | |
daf01701 KL |
1214 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1215 | } | |
08a24c47 JB |
1216 | } |
1217 | \f | |
a796ac82 JB |
1218 | struct fkey_table { |
1219 | char *cap, *name; | |
1220 | }; | |
1221 | ||
01d8deb0 ER |
1222 | /* Termcap capability names that correspond directly to X keysyms. |
1223 | Some of these (marked "terminfo") aren't supplied by old-style | |
1224 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1225 | except we put the keypad keys first, so that if they clash with | |
1226 | other keys (as on the IBM PC keyboard) they get overridden. | |
1227 | */ | |
1228 | ||
a168702a GM |
1229 | static struct fkey_table keys[] = |
1230 | { | |
8103ad1a PJ |
1231 | {"kh", "home"}, /* termcap */ |
1232 | {"kl", "left"}, /* termcap */ | |
1233 | {"ku", "up"}, /* termcap */ | |
1234 | {"kr", "right"}, /* termcap */ | |
1235 | {"kd", "down"}, /* termcap */ | |
1236 | {"%8", "prior"}, /* terminfo */ | |
1237 | {"%5", "next"}, /* terminfo */ | |
1238 | {"@7", "end"}, /* terminfo */ | |
1239 | {"@1", "begin"}, /* terminfo */ | |
1240 | {"*6", "select"}, /* terminfo */ | |
1241 | {"%9", "print"}, /* terminfo */ | |
1242 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1243 | /* |
1244 | * "insert" --- see below | |
1245 | */ | |
8103ad1a PJ |
1246 | {"&8", "undo"}, /* terminfo */ |
1247 | {"%0", "redo"}, /* terminfo */ | |
1248 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1249 | {"@0", "find"}, /* terminfo */ | |
1250 | {"@2", "cancel"}, /* terminfo */ | |
1251 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1252 | /* |
1253 | * "break" goes here, but can't be reliably intercepted with termcap | |
1254 | */ | |
8103ad1a | 1255 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1256 | /* |
1257 | * "system" and "user" --- no termcaps | |
1258 | */ | |
8103ad1a PJ |
1259 | {"kE", "clearline"}, /* terminfo */ |
1260 | {"kA", "insertline"}, /* terminfo */ | |
1261 | {"kL", "deleteline"}, /* terminfo */ | |
1262 | {"kI", "insertchar"}, /* terminfo */ | |
1263 | {"kD", "deletechar"}, /* terminfo */ | |
1264 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1265 | /* |
1266 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1267 | */ | |
8103ad1a | 1268 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1269 | /* |
1270 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1271 | * "kp-multiply", "kp-add", "kp-separator", | |
1272 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1273 | * --- no termcaps for any of these. | |
1274 | */ | |
8103ad1a | 1275 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1276 | /* |
1277 | * "kp-2" --- no termcap | |
1278 | */ | |
8103ad1a | 1279 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1280 | /* |
1281 | * "kp-4" --- no termcap | |
1282 | */ | |
8103ad1a | 1283 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1284 | /* |
1285 | * "kp-6" --- no termcap | |
1286 | */ | |
8103ad1a | 1287 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1288 | /* |
1289 | * "kp-8" --- no termcap | |
1290 | */ | |
8103ad1a | 1291 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1292 | /* |
1293 | * "kp-equal" --- no termcap | |
1294 | */ | |
8103ad1a PJ |
1295 | {"k1", "f1"}, |
1296 | {"k2", "f2"}, | |
1297 | {"k3", "f3"}, | |
1298 | {"k4", "f4"}, | |
1299 | {"k5", "f5"}, | |
1300 | {"k6", "f6"}, | |
1301 | {"k7", "f7"}, | |
1302 | {"k8", "f8"}, | |
1303 | {"k9", "f9"} | |
a796ac82 JB |
1304 | }; |
1305 | ||
f2a00342 RM |
1306 | static char **term_get_fkeys_arg; |
1307 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1308 | |
01d8deb0 | 1309 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1310 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1311 | adds entries to Vfunction_key_map for each function key it finds. */ |
1312 | ||
5c2c7893 JB |
1313 | void |
1314 | term_get_fkeys (address) | |
1315 | char **address; | |
f2a00342 RM |
1316 | { |
1317 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1318 | errors during the call. The only errors should be from Fdefine_key | |
1319 | when given a key sequence containing an invalid prefix key. If the | |
1320 | termcap defines function keys which use a prefix that is already bound | |
1321 | to a command by the default bindings, we should silently ignore that | |
1322 | function key specification, rather than giving the user an error and | |
1323 | refusing to run at all on such a terminal. */ | |
1324 | ||
1325 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1326 | term_get_fkeys_arg = address; |
1327 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1328 | } | |
1329 | ||
1330 | static Lisp_Object | |
1331 | term_get_fkeys_1 () | |
5c2c7893 | 1332 | { |
5c2c7893 JB |
1333 | int i; |
1334 | ||
37085233 | 1335 | char **address = term_get_fkeys_arg; |
f778aff2 | 1336 | |
3e65092f RS |
1337 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1338 | if (!initialized) | |
1339 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1340 | ||
5c2c7893 JB |
1341 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1342 | { | |
1343 | char *sequence = tgetstr (keys[i].cap, address); | |
1344 | if (sequence) | |
f2a00342 RM |
1345 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1346 | Fmake_vector (make_number (1), | |
1347 | intern (keys[i].name))); | |
5c2c7893 | 1348 | } |
a796ac82 JB |
1349 | |
1350 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1351 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1352 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1353 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1354 | */ | |
1355 | { | |
1356 | char *k_semi = tgetstr ("k;", address); | |
1357 | char *k0 = tgetstr ("k0", address); | |
1358 | char *k0_name = "f10"; | |
1359 | ||
1360 | if (k_semi) | |
1361 | { | |
95c11956 SM |
1362 | if (k0) |
1363 | /* Define f0 first, so that f10 takes precedence in case the | |
1364 | key sequences happens to be the same. */ | |
1365 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1366 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1367 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1368 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1369 | } |
95c11956 | 1370 | else if (k0) |
f2a00342 RM |
1371 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1372 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1373 | } |
01d8deb0 ER |
1374 | |
1375 | /* Set up cookies for numbered function keys above f10. */ | |
1376 | { | |
1377 | char fcap[3], fkey[4]; | |
1378 | ||
fc4f24da | 1379 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1380 | for (i = 11; i < 64; i++) |
1381 | { | |
1382 | if (i <= 19) | |
1383 | fcap[1] = '1' + i - 11; | |
1384 | else if (i <= 45) | |
b59ab95c | 1385 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1386 | else |
b59ab95c | 1387 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1388 | |
fc4f24da RS |
1389 | { |
1390 | char *sequence = tgetstr (fcap, address); | |
1391 | if (sequence) | |
1392 | { | |
465db27b | 1393 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1394 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1395 | Fmake_vector (make_number (1), | |
1396 | intern (fkey))); | |
fc4f24da RS |
1397 | } |
1398 | } | |
01d8deb0 ER |
1399 | } |
1400 | } | |
1401 | ||
1402 | /* | |
1403 | * Various mappings to try and get a better fit. | |
1404 | */ | |
1405 | { | |
fc4f24da RS |
1406 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1407 | if (!tgetstr (cap1, address)) \ | |
1408 | { \ | |
1409 | char *sequence = tgetstr (cap2, address); \ | |
1410 | if (sequence) \ | |
f2a00342 RM |
1411 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1412 | Fmake_vector (make_number (1), \ | |
1413 | intern (sym))); \ | |
fc4f24da | 1414 | } |
177c0ea7 | 1415 | |
01d8deb0 | 1416 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1417 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1418 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1419 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1420 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1421 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1422 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1423 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1424 | |
1425 | /* IBM has their own non-standard dialect of terminfo. | |
1426 | If the standard name isn't found, try the IBM name. */ | |
1427 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1428 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1429 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1430 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1431 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1432 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1433 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1434 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1435 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1436 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1437 | } |
a168702a GM |
1438 | |
1439 | return Qnil; | |
5c2c7893 JB |
1440 | } |
1441 | ||
1442 | \f | |
a168702a GM |
1443 | /*********************************************************************** |
1444 | Character Display Information | |
1445 | ***********************************************************************/ | |
1446 | ||
1447 | static void append_glyph P_ ((struct it *)); | |
f46c2aff | 1448 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1449 | |
1450 | ||
1451 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1452 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1453 | for which to produce glyphs; IT->face_id contains the character's | |
1454 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1455 | 1. */ | |
177c0ea7 | 1456 | |
a168702a GM |
1457 | static void |
1458 | append_glyph (it) | |
1459 | struct it *it; | |
1460 | { | |
1461 | struct glyph *glyph, *end; | |
1462 | int i; | |
1463 | ||
1464 | xassert (it->glyph_row); | |
1465 | glyph = (it->glyph_row->glyphs[it->area] | |
1466 | + it->glyph_row->used[it->area]); | |
1467 | end = it->glyph_row->glyphs[1 + it->area]; | |
1468 | ||
177c0ea7 JB |
1469 | for (i = 0; |
1470 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1471 | ++i) |
1472 | { | |
1473 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1474 | glyph->pixel_width = 1; |
32de38e4 KH |
1475 | glyph->u.ch = it->c; |
1476 | glyph->face_id = it->face_id; | |
1477 | glyph->padding_p = i > 0; | |
a168702a GM |
1478 | glyph->charpos = CHARPOS (it->position); |
1479 | glyph->object = it->object; | |
177c0ea7 | 1480 | |
a168702a GM |
1481 | ++it->glyph_row->used[it->area]; |
1482 | ++glyph; | |
1483 | } | |
1484 | } | |
1485 | ||
1486 | ||
b50fe468 RS |
1487 | /* Produce glyphs for the display element described by IT. *IT |
1488 | specifies what we want to produce a glyph for (character, image, ...), | |
1489 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1490 | produce_glyphs fills in output fields of *IT with information such as the | |
1491 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1492 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1493 | struct display_iterator in dispextern.h for an overview. |
1494 | ||
1495 | produce_glyphs also stores the result of glyph width, ascent | |
1496 | etc. computations in *IT. | |
1497 | ||
1498 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1499 | actually fill in the glyphs. This is used in the move_* functions | |
1500 | in xdisp.c for text width and height computations. | |
1501 | ||
1502 | Callers usually don't call produce_glyphs directly; | |
1503 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1504 | |
177c0ea7 | 1505 | void |
a168702a GM |
1506 | produce_glyphs (it) |
1507 | struct it *it; | |
1508 | { | |
1509 | /* If a hook is installed, let it do the work. */ | |
1510 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1511 | || it->what == IT_COMPOSITION |
a168702a | 1512 | || it->what == IT_STRETCH); |
177c0ea7 | 1513 | |
f46c2aff KS |
1514 | if (it->what == IT_STRETCH) |
1515 | { | |
1516 | produce_stretch_glyph (it); | |
1517 | goto done; | |
1518 | } | |
1519 | ||
c7cba11d KH |
1520 | /* Nothing but characters are supported on terminal frames. For a |
1521 | composition sequence, it->c is the first character of the | |
1522 | sequence. */ | |
1523 | xassert (it->what == IT_CHARACTER | |
1524 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1525 | |
1526 | if (it->c >= 040 && it->c < 0177) | |
1527 | { | |
1528 | it->pixel_width = it->nglyphs = 1; | |
1529 | if (it->glyph_row) | |
1530 | append_glyph (it); | |
1531 | } | |
1532 | else if (it->c == '\n') | |
1533 | it->pixel_width = it->nglyphs = 0; | |
1534 | else if (it->c == '\t') | |
1535 | { | |
2efdbcdd | 1536 | int absolute_x = (it->current_x |
a168702a | 1537 | + it->continuation_lines_width); |
177c0ea7 JB |
1538 | int next_tab_x |
1539 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1540 | / it->tab_width) |
1541 | * it->tab_width); | |
1542 | int nspaces; | |
1543 | ||
1544 | /* If part of the TAB has been displayed on the previous line | |
1545 | which is continued now, continuation_lines_width will have | |
1546 | been incremented already by the part that fitted on the | |
1547 | continued line. So, we will get the right number of spaces | |
1548 | here. */ | |
1549 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1550 | |
a168702a GM |
1551 | if (it->glyph_row) |
1552 | { | |
1553 | int n = nspaces; | |
177c0ea7 | 1554 | |
a168702a GM |
1555 | it->c = ' '; |
1556 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1557 | |
a168702a GM |
1558 | while (n--) |
1559 | append_glyph (it); | |
177c0ea7 | 1560 | |
a168702a GM |
1561 | it->c = '\t'; |
1562 | } | |
1563 | ||
1564 | it->pixel_width = nspaces; | |
1565 | it->nglyphs = nspaces; | |
1566 | } | |
add44890 EZ |
1567 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1568 | { | |
cf872af5 | 1569 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1570 | must send the code as is to the terminal. Although there's |
1571 | no way to know how many columns it occupies on a screen, it | |
1572 | is a good assumption that a single byte code has 1-column | |
1573 | width. */ | |
1574 | it->pixel_width = it->nglyphs = 1; | |
1575 | if (it->glyph_row) | |
1576 | append_glyph (it); | |
1577 | } | |
a168702a GM |
1578 | else |
1579 | { | |
c7cba11d KH |
1580 | /* A multi-byte character. The display width is fixed for all |
1581 | characters of the set. Some of the glyphs may have to be | |
1582 | ignored because they are already displayed in a continued | |
1583 | line. */ | |
a168702a GM |
1584 | int charset = CHAR_CHARSET (it->c); |
1585 | ||
c7cba11d | 1586 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1587 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1588 | |
a168702a GM |
1589 | if (it->glyph_row) |
1590 | append_glyph (it); | |
1591 | } | |
1592 | ||
f46c2aff | 1593 | done: |
177c0ea7 | 1594 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1595 | the caller. */ |
1596 | if (it->area == TEXT_AREA) | |
1597 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1598 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1599 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1600 | } |
1601 | ||
1602 | ||
f46c2aff KS |
1603 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1604 | of the glyph property displayed. The value must be a list | |
1605 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1606 | being recognized: | |
1607 | ||
1608 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1609 | canonical char width wide. WIDTH may be an integer or floating | |
1610 | point number. | |
1611 | ||
1612 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1613 | to reach HPOS, a value in canonical character units. */ | |
1614 | ||
1615 | static void | |
1616 | produce_stretch_glyph (it) | |
1617 | struct it *it; | |
1618 | { | |
1619 | /* (space :width WIDTH ...) */ | |
1620 | Lisp_Object prop, plist; | |
1621 | int width = 0, align_to = -1; | |
1622 | int zero_width_ok_p = 0; | |
1623 | double tem; | |
1624 | ||
1625 | /* List should start with `space'. */ | |
1626 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1627 | plist = XCDR (it->object); | |
1628 | ||
1629 | /* Compute the width of the stretch. */ | |
1630 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1631 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1632 | { | |
1633 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1634 | zero_width_ok_p = 1; | |
1635 | width = (int)(tem + 0.5); | |
1636 | } | |
1637 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1638 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1639 | { | |
1640 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
1641 | align_to = (align_to < 0 | |
1642 | ? 0 | |
1643 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1644 | else if (align_to < 0) | |
1645 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1646 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1647 | zero_width_ok_p = 1; | |
1648 | } | |
1649 | else | |
1650 | /* Nothing specified -> width defaults to canonical char width. */ | |
1651 | width = FRAME_COLUMN_WIDTH (it->f); | |
1652 | ||
1653 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1654 | width = 1; | |
1655 | ||
1656 | if (width > 0 && it->glyph_row) | |
1657 | { | |
1658 | Lisp_Object o_object = it->object; | |
1659 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1660 | int n = width; | |
1661 | int c = it->c; | |
1662 | ||
1663 | if (!STRINGP (object)) | |
1664 | object = it->w->buffer; | |
1665 | it->object = object; | |
1666 | it->c = ' '; | |
1667 | it->pixel_width = it->len = 1; | |
1668 | while (n--) | |
1669 | append_glyph (it); | |
1670 | it->object = o_object; | |
1671 | it->c = c; | |
1672 | } | |
1673 | it->pixel_width = width; | |
1674 | it->nglyphs = width; | |
1675 | } | |
1676 | ||
1677 | ||
a168702a GM |
1678 | /* Get information about special display element WHAT in an |
1679 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1680 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1681 | non-null glyph_row member. This function ensures that fields like | |
1682 | face_id, c, len of IT are left untouched. */ | |
1683 | ||
1684 | void | |
1685 | produce_special_glyphs (it, what) | |
1686 | struct it *it; | |
1687 | enum display_element_type what; | |
1688 | { | |
1689 | struct it temp_it; | |
177c0ea7 | 1690 | |
a168702a GM |
1691 | temp_it = *it; |
1692 | temp_it.dp = NULL; | |
1693 | temp_it.what = IT_CHARACTER; | |
1694 | temp_it.len = 1; | |
7c752c80 | 1695 | temp_it.object = make_number (0); |
a168702a GM |
1696 | bzero (&temp_it.current, sizeof temp_it.current); |
1697 | ||
1698 | if (what == IT_CONTINUATION) | |
1699 | { | |
1700 | /* Continuation glyph. */ | |
1701 | if (it->dp | |
1702 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1703 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1704 | { | |
1705 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1706 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1707 | } |
1708 | else | |
1709 | temp_it.c = '\\'; | |
177c0ea7 | 1710 | |
a168702a GM |
1711 | produce_glyphs (&temp_it); |
1712 | it->pixel_width = temp_it.pixel_width; | |
1713 | it->nglyphs = temp_it.pixel_width; | |
1714 | } | |
1715 | else if (what == IT_TRUNCATION) | |
1716 | { | |
1717 | /* Truncation glyph. */ | |
1718 | if (it->dp | |
1719 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1720 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1721 | { | |
1722 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1723 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1724 | } |
1725 | else | |
1726 | temp_it.c = '$'; | |
177c0ea7 | 1727 | |
a168702a GM |
1728 | produce_glyphs (&temp_it); |
1729 | it->pixel_width = temp_it.pixel_width; | |
1730 | it->nglyphs = temp_it.pixel_width; | |
1731 | } | |
1732 | else | |
1733 | abort (); | |
1734 | } | |
1735 | ||
1736 | ||
a168702a GM |
1737 | \f |
1738 | /*********************************************************************** | |
1739 | Faces | |
1740 | ***********************************************************************/ | |
1741 | ||
4e6ba4a4 GM |
1742 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1743 | one of the enumerators from enum no_color_bit, or a bit set built | |
1744 | from them. Some display attributes may not be used together with | |
1745 | color; the termcap capability `NC' specifies which ones. */ | |
1746 | ||
fca177d4 KL |
1747 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1748 | (tty->TN_max_colors > 0 \ | |
1749 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1750 | : 1) | |
a168702a GM |
1751 | |
1752 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1753 | ||
1754 | static void | |
1755 | turn_on_face (f, face_id) | |
1756 | struct frame *f; | |
1757 | int face_id; | |
1758 | { | |
1759 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1760 | long fg = face->foreground; |
1761 | long bg = face->background; | |
28d7d09f | 1762 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1763 | |
86a7d192 GM |
1764 | /* Do this first because TS_end_standout_mode may be the same |
1765 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1766 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1767 | { |
fca177d4 | 1768 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1769 | { |
1770 | if (fg >= 0 && bg >= 0) | |
1771 | { | |
1772 | /* If the terminal supports colors, we can set them | |
1773 | below without using reverse video. The face's fg | |
1774 | and bg colors are set as they should appear on | |
1775 | the screen, i.e. they take the inverse-video'ness | |
1776 | of the face already into account. */ | |
1777 | } | |
1778 | else if (inverse_video) | |
1779 | { | |
1780 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1781 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1782 | toggle_highlight (tty); |
86a7d192 GM |
1783 | } |
1784 | else | |
1785 | { | |
1786 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1787 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1788 | toggle_highlight (tty); |
86a7d192 GM |
1789 | } |
1790 | } | |
1791 | else | |
1792 | { | |
1793 | /* If we can't display colors, use reverse video | |
1794 | if the face specifies that. */ | |
37526b42 GM |
1795 | if (inverse_video) |
1796 | { | |
1797 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1798 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1799 | toggle_highlight (tty); |
37526b42 GM |
1800 | } |
1801 | else | |
1802 | { | |
1803 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1804 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1805 | toggle_highlight (tty); |
37526b42 | 1806 | } |
86a7d192 GM |
1807 | } |
1808 | } | |
a168702a GM |
1809 | |
1810 | if (face->tty_bold_p) | |
4e6ba4a4 | 1811 | { |
fca177d4 KL |
1812 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1813 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1814 | } |
a168702a | 1815 | else if (face->tty_dim_p) |
fca177d4 KL |
1816 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1817 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1818 | |
1819 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1820 | if (face->tty_alt_charset_p |
fca177d4 KL |
1821 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1822 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1823 | |
4e6ba4a4 | 1824 | if (face->tty_blinking_p |
fca177d4 KL |
1825 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1826 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1827 | |
fca177d4 KL |
1828 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1829 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1830 | |
fca177d4 | 1831 | if (tty->TN_max_colors > 0) |
a168702a GM |
1832 | { |
1833 | char *p; | |
177c0ea7 | 1834 | |
fca177d4 | 1835 | if (fg >= 0 && tty->TS_set_foreground) |
a168702a | 1836 | { |
fca177d4 | 1837 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) fg); |
6548cf00 | 1838 | OUTPUT (tty, p); |
a168702a GM |
1839 | xfree (p); |
1840 | } | |
1841 | ||
fca177d4 | 1842 | if (bg >= 0 && tty->TS_set_background) |
a168702a | 1843 | { |
fca177d4 | 1844 | p = tparam (tty->TS_set_background, NULL, 0, (int) bg); |
6548cf00 | 1845 | OUTPUT (tty, p); |
a168702a GM |
1846 | xfree (p); |
1847 | } | |
1848 | } | |
1849 | } | |
177c0ea7 | 1850 | |
a168702a GM |
1851 | |
1852 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1853 | ||
1854 | static void | |
1855 | turn_off_face (f, face_id) | |
1856 | struct frame *f; | |
1857 | int face_id; | |
1858 | { | |
1859 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1860 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1861 | |
1862 | xassert (face != NULL); | |
1863 | ||
fca177d4 | 1864 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1865 | { |
1866 | /* Capability "me" will turn off appearance modes double-bright, | |
1867 | half-bright, reverse-video, standout, underline. It may or | |
1868 | may not turn off alt-char-mode. */ | |
1869 | if (face->tty_bold_p | |
1870 | || face->tty_dim_p | |
1871 | || face->tty_reverse_p | |
1872 | || face->tty_alt_charset_p | |
1873 | || face->tty_blinking_p | |
1874 | || face->tty_underline_p) | |
65aa5e85 | 1875 | { |
fca177d4 KL |
1876 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1877 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1878 | tty->standout_mode = 0; | |
65aa5e85 | 1879 | } |
a168702a GM |
1880 | |
1881 | if (face->tty_alt_charset_p) | |
fca177d4 | 1882 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1883 | } |
1884 | else | |
1885 | { | |
1886 | /* If we don't have "me" we can only have those appearances | |
1887 | that have exit sequences defined. */ | |
1888 | if (face->tty_alt_charset_p) | |
fca177d4 | 1889 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1890 | |
54800acb | 1891 | if (face->tty_underline_p) |
fca177d4 | 1892 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1893 | } |
1894 | ||
1895 | /* Switch back to default colors. */ | |
fca177d4 | 1896 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1897 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1898 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1899 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1900 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1901 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1902 | } |
177c0ea7 JB |
1903 | |
1904 | ||
b63a55ac MB |
1905 | /* Return non-zero if the terminal on frame F supports all of the |
1906 | capabilities in CAPS simultaneously, with foreground and background | |
1907 | colors FG and BG. */ | |
1908 | ||
4a8130f2 | 1909 | int |
fca177d4 | 1910 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1911 | struct tty_display_info *tty; |
b63a55ac MB |
1912 | unsigned caps; |
1913 | unsigned long fg, bg; | |
1914 | { | |
fca177d4 KL |
1915 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1916 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1917 | return 0; |
1918 | ||
fca177d4 KL |
1919 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1920 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1921 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1922 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1923 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1924 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1925 | |
1926 | /* We can do it! */ | |
1927 | return 1; | |
1928 | } | |
1929 | ||
a168702a GM |
1930 | /* Return non-zero if the terminal is capable to display colors. */ |
1931 | ||
1932 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1933 | 0, 1, 0, |
b6660415 | 1934 | doc: /* Return non-nil if the tty device that DISPLAY uses can display colors. */) |
99fdd6bc EZ |
1935 | (display) |
1936 | Lisp_Object display; | |
a168702a | 1937 | { |
3224dac1 KL |
1938 | struct display *d = get_tty_display (display); |
1939 | if (!d) | |
428a555e | 1940 | return Qnil; |
3224dac1 KL |
1941 | else |
1942 | return d->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; | |
a168702a GM |
1943 | } |
1944 | ||
bfa62f96 EZ |
1945 | /* Return the number of supported colors. */ |
1946 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1947 | Stty_display_color_cells, 0, 1, 0, | |
b6660415 | 1948 | doc: /* Return the number of colors supported by the tty device that DISPLAY uses. */) |
99fdd6bc EZ |
1949 | (display) |
1950 | Lisp_Object display; | |
bfa62f96 | 1951 | { |
3224dac1 KL |
1952 | struct display *d = get_tty_display (display); |
1953 | if (!d) | |
8c8d5f35 | 1954 | return make_number (0); |
3224dac1 KL |
1955 | else |
1956 | return make_number (d->display_info.tty->TN_max_colors); | |
bfa62f96 EZ |
1957 | } |
1958 | ||
ace28297 | 1959 | #ifndef WINDOWSNT |
a168702a | 1960 | |
ace28297 EZ |
1961 | /* Save or restore the default color-related capabilities of this |
1962 | terminal. */ | |
1963 | static void | |
28d7d09f | 1964 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
1965 | { |
1966 | static char | |
1967 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
1968 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
1969 | ||
1970 | if (save) | |
1971 | { | |
1972 | if (default_orig_pair) | |
1973 | xfree (default_orig_pair); | |
fca177d4 | 1974 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1975 | |
1976 | if (default_set_foreground) | |
1977 | xfree (default_set_foreground); | |
fca177d4 | 1978 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
1979 | : NULL; |
1980 | ||
1981 | if (default_set_background) | |
1982 | xfree (default_set_background); | |
fca177d4 | 1983 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
1984 | : NULL; |
1985 | ||
fca177d4 KL |
1986 | default_max_colors = tty->TN_max_colors; |
1987 | default_max_pairs = tty->TN_max_pairs; | |
1988 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
1989 | } |
1990 | else | |
1991 | { | |
fca177d4 KL |
1992 | tty->TS_orig_pair = default_orig_pair; |
1993 | tty->TS_set_foreground = default_set_foreground; | |
1994 | tty->TS_set_background = default_set_background; | |
1995 | tty->TN_max_colors = default_max_colors; | |
1996 | tty->TN_max_pairs = default_max_pairs; | |
1997 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
1998 | } |
1999 | } | |
2000 | ||
2001 | /* Setup one of the standard tty color schemes according to MODE. | |
2002 | MODE's value is generally the number of colors which we want to | |
2003 | support; zero means set up for the default capabilities, the ones | |
2004 | we saw at term_init time; -1 means turn off color support. */ | |
2005 | void | |
28d7d09f | 2006 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2007 | { |
40409f05 EZ |
2008 | /* Canonicalize all negative values of MODE. */ |
2009 | if (mode < -1) | |
2010 | mode = -1; | |
2011 | ||
ace28297 EZ |
2012 | switch (mode) |
2013 | { | |
2014 | case -1: /* no colors at all */ | |
fca177d4 KL |
2015 | tty->TN_max_colors = 0; |
2016 | tty->TN_max_pairs = 0; | |
2017 | tty->TN_no_color_video = 0; | |
2018 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2019 | break; |
2020 | case 0: /* default colors, if any */ | |
2021 | default: | |
fca177d4 | 2022 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2023 | break; |
2024 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2025 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2026 | #ifdef TERMINFO |
fca177d4 KL |
2027 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2028 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2029 | #else |
fca177d4 KL |
2030 | tty->TS_set_foreground = "\033[3%dm"; |
2031 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2032 | #endif |
fca177d4 KL |
2033 | tty->TN_max_colors = 8; |
2034 | tty->TN_max_pairs = 64; | |
2035 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2036 | break; |
2037 | } | |
2038 | } | |
2039 | ||
2040 | void | |
2041 | set_tty_color_mode (f, val) | |
2042 | struct frame *f; | |
2043 | Lisp_Object val; | |
2044 | { | |
dfc7a077 | 2045 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2046 | Lisp_Object color_mode, current_mode; |
2047 | int mode, old_mode; | |
2048 | extern Lisp_Object Qtty_color_mode; | |
2049 | Lisp_Object tty_color_mode_alist; | |
2050 | ||
2051 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2052 | Qnil); | |
2053 | ||
9ac61a89 | 2054 | if (INTEGERP (val)) |
ace28297 EZ |
2055 | color_mode = val; |
2056 | else | |
2057 | { | |
2058 | if (NILP (tty_color_mode_alist)) | |
2059 | color_mode_spec = Qnil; | |
2060 | else | |
2061 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2062 | |
2063 | if (CONSP (color_mode_spec)) | |
2064 | color_mode = XCDR (color_mode_spec); | |
2065 | else | |
2066 | color_mode = Qnil; | |
2067 | } | |
545d91d5 RS |
2068 | |
2069 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2070 | ||
ace28297 EZ |
2071 | if (CONSP (current_mode_spec)) |
2072 | current_mode = XCDR (current_mode_spec); | |
2073 | else | |
2074 | current_mode = Qnil; | |
9ac61a89 | 2075 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2076 | mode = XINT (color_mode); |
2077 | else | |
2078 | mode = 0; /* meaning default */ | |
9ac61a89 | 2079 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2080 | old_mode = XINT (current_mode); |
2081 | else | |
2082 | old_mode = 0; | |
2083 | ||
2084 | if (mode != old_mode) | |
2085 | { | |
fca177d4 | 2086 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2087 | /* This recomputes all the faces given the new color |
2088 | definitions. */ | |
2089 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2090 | redraw_frame (f); | |
2091 | } | |
2092 | } | |
2093 | ||
2094 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2095 | |
2096 | \f | |
28d440ab | 2097 | |
b6660415 KL |
2098 | /* Return the display object specified by DISPLAY. DISPLAY may be a |
2099 | display id, a frame, or nil for the display device of the current | |
2100 | frame. */ | |
2101 | ||
2102 | struct display * | |
2103 | get_display (Lisp_Object display) | |
2104 | { | |
2105 | if (NILP (display)) | |
2106 | display = selected_frame; | |
2107 | ||
2108 | if (! INTEGERP (display) && ! FRAMEP (display)) | |
2109 | return NULL; | |
2110 | ||
2111 | if (INTEGERP (display)) | |
2112 | { | |
2113 | struct display *d; | |
2114 | ||
2115 | for (d = display_list; d; d = d->next_display) | |
2116 | { | |
2117 | if (d->id == XINT (display)) | |
2118 | return d; | |
2119 | } | |
2120 | return NULL; | |
2121 | } | |
2122 | else if (FRAMEP (display)) | |
2123 | { | |
2124 | return FRAME_DISPLAY (XFRAME (display)); | |
2125 | } | |
2126 | return NULL; | |
2127 | } | |
2128 | ||
2129 | /* Return the tty display object specified by DISPLAY. */ | |
2130 | ||
2131 | static struct display * | |
2132 | get_tty_display (Lisp_Object display) | |
2133 | { | |
2134 | struct display *d = get_display (display); | |
2135 | ||
d7e4838f KL |
2136 | if (d && d->type == output_initial) |
2137 | d = NULL; | |
2138 | ||
b6660415 KL |
2139 | if (d && d->type != output_termcap) |
2140 | { | |
2141 | #if 0 /* XXX We need a predicate as the first argument; find one. */ | |
2142 | wrong_type_argument ("Not a termcap display", display); | |
2143 | #else /* Until we fix the wrong_type_argument call above, simply throw | |
2144 | a dumb error. */ | |
2145 | error ("DISPLAY is not a termcap display"); | |
2146 | #endif | |
2147 | } | |
2148 | ||
2149 | return d; | |
2150 | } | |
2151 | ||
2152 | /* Return the active termcap display that uses the tty device with the | |
2153 | given name. If NAME is NULL, return the display corresponding to | |
2154 | our controlling terminal. | |
2155 | ||
2156 | This function ignores suspended displays. | |
da8e1115 KL |
2157 | |
2158 | Returns NULL if the named terminal device is not opened. */ | |
2159 | ||
3224dac1 | 2160 | struct display * |
428a555e | 2161 | get_named_tty_display (name) |
28d440ab KL |
2162 | char *name; |
2163 | { | |
428a555e KL |
2164 | struct display *d; |
2165 | ||
2166 | for (d = display_list; d; d = d->next_display) { | |
2167 | if (d->type == output_termcap | |
2168 | && ((d->display_info.tty->name == 0 && name == 0) | |
2169 | || (name && d->display_info.tty->name | |
b6660415 KL |
2170 | && !strcmp (d->display_info.tty->name, name))) |
2171 | && DISPLAY_ACTIVE_P (d)) | |
428a555e | 2172 | return d; |
28d440ab KL |
2173 | }; |
2174 | ||
2175 | return 0; | |
2176 | } | |
2177 | ||
2178 | \f | |
819b8f00 | 2179 | |
b6660415 KL |
2180 | DEFUN ("display-name", Fdisplay_name, Sdisplay_name, 0, 1, 0, |
2181 | doc: /* Return the name of the device that DISPLAY uses. | |
2182 | It is not guaranteed that the returned value is unique among opened displays. | |
819b8f00 | 2183 | |
b6660415 KL |
2184 | DISPLAY can be a display, a frame, or nil (meaning the selected |
2185 | frame's display). */) | |
2186 | (display) | |
2187 | Lisp_Object display; | |
2188 | { | |
2189 | struct display *d = get_display (display); | |
819b8f00 | 2190 | |
b6660415 KL |
2191 | if (!d) |
2192 | wrong_type_argument (Qdisplay_live_p, display); | |
819b8f00 | 2193 | |
b6660415 KL |
2194 | if (d->name) |
2195 | return build_string (d->name); | |
819b8f00 KL |
2196 | else |
2197 | return Qnil; | |
2198 | } | |
2199 | ||
b6660415 KL |
2200 | DEFUN ("display-tty-type", Fdisplay_tty_type, Sdisplay_tty_type, 0, 1, 0, |
2201 | doc: /* Return the type of the TTY device that DISPLAY uses. */) | |
2202 | (display) | |
2203 | Lisp_Object display; | |
2204 | { | |
2205 | struct display *d = get_display (display); | |
819b8f00 | 2206 | |
b6660415 KL |
2207 | if (!d) |
2208 | wrong_type_argument (Qdisplay_live_p, display); | |
2209 | if (d->type != output_termcap) | |
2210 | error ("Display %d is not a termcap display", d->id); | |
2211 | ||
2212 | if (d->display_info.tty->type) | |
2213 | return build_string (d->display_info.tty->type); | |
819b8f00 KL |
2214 | else |
2215 | return Qnil; | |
2216 | } | |
2217 | ||
4a933ef8 KL |
2218 | DEFUN ("display-controlling-tty-p", Fdisplay_controlling_tty_p, Sdisplay_controlling_tty_p, 0, 1, 0, |
2219 | doc: /* Return non-nil if DISPLAY is on the controlling tty of the Emacs process. */) | |
2220 | (display) | |
2221 | Lisp_Object display; | |
2222 | { | |
2223 | struct display *d = get_display (display); | |
2224 | ||
2225 | if (!d) | |
2226 | wrong_type_argument (Qdisplay_live_p, display); | |
2227 | ||
2228 | if (d->type != output_termcap || d->display_info.tty->name) | |
2229 | return Qnil; | |
2230 | else | |
2231 | return Qt; | |
2232 | } | |
2233 | ||
819b8f00 | 2234 | \f |
a168702a GM |
2235 | /*********************************************************************** |
2236 | Initialization | |
2237 | ***********************************************************************/ | |
2238 | ||
3224dac1 | 2239 | /* Create the bootstrap display device for the initial frame. |
da8e1115 | 2240 | Returns a display of type output_initial. */ |
3224dac1 | 2241 | |
428a555e | 2242 | struct display * |
3224dac1 | 2243 | init_initial_display (void) |
28d440ab | 2244 | { |
428a555e KL |
2245 | if (initialized || display_list || tty_list) |
2246 | abort (); | |
2247 | ||
3224dac1 KL |
2248 | initial_display = create_display (); |
2249 | initial_display->type = output_initial; | |
b6660415 KL |
2250 | initial_display->name = xstrdup ("initial_display"); |
2251 | ||
3224dac1 KL |
2252 | initial_display->delete_display_hook = &delete_initial_display; |
2253 | /* All other hooks are NULL. */ | |
428a555e | 2254 | |
3224dac1 KL |
2255 | return initial_display; |
2256 | } | |
2257 | ||
2258 | /* Deletes the bootstrap display device. | |
2259 | Called through delete_display_hook. */ | |
da8e1115 | 2260 | |
3224dac1 KL |
2261 | void |
2262 | delete_initial_display (struct display *display) | |
2263 | { | |
2264 | if (display != initial_display) | |
2265 | abort (); | |
2266 | ||
2267 | delete_display (display); | |
2268 | initial_display = NULL; | |
28d440ab KL |
2269 | } |
2270 | ||
03a1d6bd KL |
2271 | /* Drop the controlling terminal if fd is the same device. */ |
2272 | void | |
2273 | dissociate_if_controlling_tty (int fd) | |
2274 | { | |
03a1d6bd | 2275 | int pgid; |
8516815b | 2276 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
2277 | if (pgid != -1) |
2278 | { | |
8516815b | 2279 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
2280 | setpgrp (); |
2281 | no_controlling_tty = 1; | |
03a1d6bd KL |
2282 | #else |
2283 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b KL |
2284 | sigblock (sigmask (SIGTTOU)); |
2285 | fd = emacs_open ("/dev/tty", O_RDWR, 0); | |
2286 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) | |
2287 | { | |
2288 | no_controlling_tty = 1; | |
2289 | } | |
2290 | if (fd != -1) | |
2291 | emacs_close (fd); | |
2292 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 2293 | #else |
8516815b KL |
2294 | /* Unknown system. */ |
2295 | croak (); | |
03a1d6bd KL |
2296 | #endif /* ! TIOCNOTTY */ |
2297 | #endif /* ! USG */ | |
71a96040 | 2298 | } |
03a1d6bd KL |
2299 | } |
2300 | ||
3224dac1 KL |
2301 | /* Create a termcap display on the tty device with the given name and |
2302 | type. | |
2303 | ||
2304 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2305 | Otherwise NAME should be a path to the tty device file, | |
2306 | e.g. "/dev/pts/7". | |
28d440ab | 2307 | |
3224dac1 KL |
2308 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2309 | ||
2310 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2311 | |
428a555e | 2312 | struct display * |
3224dac1 | 2313 | term_init (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2314 | { |
2315 | char *area; | |
2316 | char **address = &area; | |
3a06a6d9 | 2317 | char *buffer = NULL; |
5846981b | 2318 | int buffer_size = 4096; |
08a24c47 JB |
2319 | register char *p; |
2320 | int status; | |
28d7d09f | 2321 | struct tty_display_info *tty; |
428a555e | 2322 | struct display *display; |
28d440ab | 2323 | |
3224dac1 KL |
2324 | static void maybe_fatal(); |
2325 | ||
2326 | if (!terminal_type) | |
2327 | maybe_fatal (must_succeed, 0, 0, | |
2328 | "Unknown terminal type", | |
2329 | "Unknown terminal type"); | |
b6660415 KL |
2330 | |
2331 | /* If we already have an active display on the given device, use that. | |
2332 | If all displays are suspended, create a new one instead. */ | |
2333 | /* XXX Perhaps this should be made explicit by having term_init | |
2334 | always create a new display and separating display and frame | |
2335 | creation on Lisp level. */ | |
428a555e KL |
2336 | display = get_named_tty_display (name); |
2337 | if (display) | |
b6660415 | 2338 | return display; |
428a555e | 2339 | |
3224dac1 KL |
2340 | display = create_display (); |
2341 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); | |
2342 | bzero (tty, sizeof (struct tty_display_info)); | |
2343 | tty->next = tty_list; | |
2344 | tty_list = tty; | |
428a555e | 2345 | |
3224dac1 KL |
2346 | display->type = output_termcap; |
2347 | display->display_info.tty = tty; | |
2348 | tty->display = display; | |
28d440ab | 2349 | |
7b00d185 KL |
2350 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2351 | Wcm_clear (tty); | |
daf01701 | 2352 | |
428a555e | 2353 | display->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 KL |
2354 | |
2355 | display->cursor_to_hook = &tty_cursor_to; | |
2356 | display->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2357 | ||
2358 | display->clear_to_end_hook = &tty_clear_to_end; | |
2359 | display->clear_frame_hook = &tty_clear_frame; | |
2360 | display->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2361 | ||
2362 | display->ins_del_lines_hook = &tty_ins_del_lines; | |
2363 | ||
2364 | display->insert_glyphs_hook = &tty_insert_glyphs; | |
2365 | display->write_glyphs_hook = &tty_write_glyphs; | |
2366 | display->delete_glyphs_hook = &tty_delete_glyphs; | |
2367 | ||
2368 | display->ring_bell_hook = &tty_ring_bell; | |
2369 | ||
2370 | display->reset_terminal_modes_hook = &tty_reset_terminal_modes; | |
2371 | display->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2372 | display->update_begin_hook = 0; /* Not needed. */ | |
2373 | display->update_end_hook = &tty_update_end; | |
2374 | display->set_terminal_window_hook = &tty_set_terminal_window; | |
2375 | ||
2376 | display->mouse_position_hook = 0; /* Not needed. */ | |
2377 | display->frame_rehighlight_hook = 0; /* Not needed. */ | |
2378 | display->frame_raise_lower_hook = 0; /* Not needed. */ | |
2379 | ||
2380 | display->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2381 | display->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2382 | display->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2383 | display->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2384 | ||
8f1ce423 | 2385 | display->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ |
3224dac1 KL |
2386 | display->frame_up_to_date_hook = 0; /* Not needed. */ |
2387 | ||
428a555e KL |
2388 | display->delete_frame_hook = &delete_tty_output; |
2389 | display->delete_display_hook = &delete_tty; | |
2390 | ||
28d440ab KL |
2391 | if (name) |
2392 | { | |
2393 | int fd; | |
0a125897 | 2394 | FILE *file; |
0c72d684 KL |
2395 | |
2396 | #ifdef O_IGNORE_CTTY | |
2397 | /* Open the terminal device. Don't recognize it as our | |
2398 | controlling terminal, and don't make it the controlling tty | |
2399 | if we don't have one at the moment. */ | |
2400 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
2401 | #else | |
2666355c KL |
2402 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
2403 | defined on Hurd. On other systems, we need to dissociate | |
2404 | ourselves from the controlling tty when we want to open a | |
03a1d6bd | 2405 | frame on the same terminal. */ |
0c72d684 KL |
2406 | |
2407 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); | |
03a1d6bd | 2408 | |
0c72d684 KL |
2409 | #endif /* O_IGNORE_CTTY */ |
2410 | ||
28d440ab KL |
2411 | if (fd < 0) |
2412 | { | |
428a555e | 2413 | delete_tty (display); |
fca177d4 | 2414 | error ("Could not open file: %s", name); |
28d440ab | 2415 | } |
0c72d684 KL |
2416 | if (! isatty (fd)) |
2417 | { | |
2418 | close (fd); | |
2419 | error ("Not a tty device: %s", name); | |
2420 | } | |
2421 | ||
03a1d6bd KL |
2422 | dissociate_if_controlling_tty (fd); |
2423 | ||
0a125897 | 2424 | file = fdopen (fd, "w+"); |
28d7d09f | 2425 | tty->name = xstrdup (name); |
b6660415 | 2426 | display->name = xstrdup (name); |
28d7d09f KL |
2427 | tty->input = file; |
2428 | tty->output = file; | |
28d440ab KL |
2429 | } |
2430 | else | |
2431 | { | |
0c72d684 KL |
2432 | if (no_controlling_tty) |
2433 | { | |
2434 | /* Opening a frame on stdout is unsafe if we have | |
2435 | disconnected our controlling terminal. */ | |
2436 | error ("There is no controlling terminal any more"); | |
2437 | } | |
28d7d09f | 2438 | tty->name = 0; |
b6660415 | 2439 | display->name = xstrdup (ttyname (0)); |
28d7d09f KL |
2440 | tty->input = stdin; |
2441 | tty->output = stdout; | |
28d440ab KL |
2442 | } |
2443 | ||
28d7d09f | 2444 | tty->type = xstrdup (terminal_type); |
28d440ab | 2445 | |
819b8f00 | 2446 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2447 | |
cb28b9c2 | 2448 | #ifdef WINDOWSNT |
29f27c39 | 2449 | initialize_w32_display (); |
cb28b9c2 | 2450 | |
fca177d4 | 2451 | Wcm_clear (tty); |
cb28b9c2 | 2452 | |
a678d9ff | 2453 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2454 | |
428a555e KL |
2455 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2456 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2457 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2458 | |
428a555e | 2459 | tty->display->delete_in_insert_mode = 1; |
cb28b9c2 | 2460 | |
daf01701 | 2461 | UseTabs (tty) = 0; |
428a555e | 2462 | display->scroll_region_ok = 0; |
cb28b9c2 RS |
2463 | |
2464 | /* Seems to insert lines when it's not supposed to, messing | |
2465 | up the display. In doing a trace, it didn't seem to be | |
2466 | called much, so I don't think we're losing anything by | |
2467 | turning it off. */ | |
428a555e KL |
2468 | display->line_ins_del_ok = 0; |
2469 | display->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2470 | |
2471 | baud_rate = 19200; | |
2472 | ||
428a555e KL |
2473 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2474 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2475 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2476 | |
428a555e | 2477 | return display; |
eccec691 | 2478 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2479 | |
6548cf00 | 2480 | Wcm_clear (tty); |
08a24c47 | 2481 | |
3a06a6d9 | 2482 | buffer = (char *) xmalloc (buffer_size); |
03a1d6bd KL |
2483 | |
2484 | /* On some systems, tgetent tries to access the controlling | |
2485 | terminal. */ | |
2486 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 2487 | status = tgetent (buffer, terminal_type); |
03a1d6bd KL |
2488 | sigunblock (sigmask (SIGTTOU)); |
2489 | ||
08a24c47 | 2490 | if (status < 0) |
b0347178 KH |
2491 | { |
2492 | #ifdef TERMINFO | |
3224dac1 KL |
2493 | maybe_fatal (must_succeed, buffer, display, |
2494 | "Cannot open terminfo database file", | |
2495 | "Cannot open terminfo database file"); | |
b0347178 | 2496 | #else |
3224dac1 KL |
2497 | maybe_fatal (must_succeed, buffer, display, |
2498 | "Cannot open termcap database file", | |
2499 | "Cannot open termcap database file"); | |
b0347178 KH |
2500 | #endif |
2501 | } | |
08a24c47 | 2502 | if (status == 0) |
b0347178 KH |
2503 | { |
2504 | #ifdef TERMINFO | |
3224dac1 KL |
2505 | maybe_fatal (must_succeed, buffer, display, |
2506 | "Terminal type %s is not defined", | |
2507 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2508 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2509 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2510 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2511 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2512 | terminal_type); |
b0347178 | 2513 | #else |
3224dac1 KL |
2514 | maybe_fatal (must_succeed, buffer, display, |
2515 | "Terminal type %s is not defined", | |
2516 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2517 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2518 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2519 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2520 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2521 | terminal_type); |
b0347178 KH |
2522 | #endif |
2523 | } | |
3a06a6d9 | 2524 | |
f730033e | 2525 | #ifndef TERMINFO |
3a06a6d9 | 2526 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2527 | abort (); |
f730033e | 2528 | buffer_size = strlen (buffer); |
3dd3a502 | 2529 | #endif |
f730033e | 2530 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2531 | |
fca177d4 KL |
2532 | tty->TS_ins_line = tgetstr ("al", address); |
2533 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2534 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2535 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2536 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2537 | tty->TS_clr_line = tgetstr ("ce", address); | |
2538 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2539 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2540 | AbsPosition (tty) = tgetstr ("cm", address); | |
2541 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2542 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2543 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2544 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2545 | tty->TS_del_char = tgetstr ("dc", address); |
2546 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2547 | tty->TS_del_line = tgetstr ("dl", address); | |
2548 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2549 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2550 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2551 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2552 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2553 | tty->TS_ins_char = tgetstr ("ic", address); |
2554 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2555 | tty->TS_insert_mode = tgetstr ("im", address); | |
2556 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2557 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2558 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2559 | LastLine (tty) = tgetstr ("ll", address); |
2560 | Right (tty) = tgetstr ("nd", address); | |
2561 | Down (tty) = tgetstr ("do", address); | |
2562 | if (!Down (tty)) | |
2563 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2564 | #ifdef VMS |
2565 | /* VMS puts a carriage return before each linefeed, | |
2566 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2567 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2568 | Down (tty) = 0; | |
08a24c47 JB |
2569 | #endif /* VMS */ |
2570 | if (tgetflag ("bs")) | |
6548cf00 | 2571 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2572 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2573 | Left (tty) = tgetstr ("le", address); |
2574 | if (!Left (tty)) | |
2575 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2576 | tty->TS_pad_char = tgetstr ("pc", address); |
2577 | tty->TS_repeat = tgetstr ("rp", address); | |
2578 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2579 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2580 | tty->TS_standout_mode = tgetstr ("so", address); | |
2581 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2582 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2583 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2584 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2585 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2586 | tty->TS_visible_bell = tgetstr ("vb", address); |
2587 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2588 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2589 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2590 | tty->TS_set_window = tgetstr ("wi", address); | |
2591 | ||
2592 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2593 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2594 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2595 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2596 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2597 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2598 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2599 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2600 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2601 | |
6548cf00 KL |
2602 | MultiUp (tty) = tgetstr ("UP", address); |
2603 | MultiDown (tty) = tgetstr ("DO", address); | |
2604 | MultiLeft (tty) = tgetstr ("LE", address); | |
2605 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2606 | |
e7f90eab GM |
2607 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2608 | color because we can't switch back to the default foreground and | |
2609 | background. */ | |
fca177d4 KL |
2610 | tty->TS_orig_pair = tgetstr ("op", address); |
2611 | if (tty->TS_orig_pair) | |
a168702a | 2612 | { |
fca177d4 KL |
2613 | tty->TS_set_foreground = tgetstr ("AF", address); |
2614 | tty->TS_set_background = tgetstr ("AB", address); | |
2615 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2616 | { |
2617 | /* SVr4. */ | |
fca177d4 KL |
2618 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2619 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2620 | } |
177c0ea7 | 2621 | |
fca177d4 KL |
2622 | tty->TN_max_colors = tgetnum ("Co"); |
2623 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2624 | |
fca177d4 KL |
2625 | tty->TN_no_color_video = tgetnum ("NC"); |
2626 | if (tty->TN_no_color_video == -1) | |
2627 | tty->TN_no_color_video = 0; | |
a168702a | 2628 | } |
a168702a | 2629 | |
fca177d4 | 2630 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2631 | |
6548cf00 | 2632 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2633 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2634 | the former flag imply the latter. */ | |
6548cf00 | 2635 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
428a555e | 2636 | display->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2637 | tty->TF_hazeltine = tgetflag ("hz"); |
428a555e | 2638 | display->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2639 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2640 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2641 | tty->TF_standout_motion = tgetflag ("ms"); | |
2642 | tty->TF_underscore = tgetflag ("ul"); | |
2643 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2644 | |
5c2c7893 JB |
2645 | term_get_fkeys (address); |
2646 | ||
ff11dfa1 | 2647 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2648 | { |
2649 | int height, width; | |
0b0d3e0b | 2650 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
2651 | FrameCols (tty) = width; |
2652 | FrameRows (tty) = height; | |
3b12ce12 RS |
2653 | } |
2654 | ||
0a125897 KL |
2655 | if (FrameCols (tty) <= 0) |
2656 | FrameCols (tty) = tgetnum ("co"); | |
2657 | if (FrameRows (tty) <= 0) | |
2658 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2659 | |
0a125897 | 2660 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
3224dac1 KL |
2661 | maybe_fatal (must_succeed, NULL, display, |
2662 | "Screen size %dx%d is too small" | |
2663 | "Screen size %dx%d is too small", | |
0a125897 | 2664 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2665 | |
8a56675d | 2666 | #if 0 /* This is not used anywhere. */ |
428a555e | 2667 | tty->display->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2668 | #endif |
28d440ab | 2669 | |
6548cf00 | 2670 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2671 | |
2672 | #ifdef VMS | |
2673 | /* These capabilities commonly use ^J. | |
2674 | I don't know why, but sending them on VMS does not work; | |
2675 | it causes following spaces to be lost, sometimes. | |
2676 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2677 | if (Down (tty) && Down (tty)[0] == '\n') |
2678 | Down (tty) = 0; | |
08a24c47 JB |
2679 | #endif /* VMS */ |
2680 | ||
fca177d4 KL |
2681 | if (!tty->TS_bell) |
2682 | tty->TS_bell = "\07"; | |
08a24c47 | 2683 | |
fca177d4 KL |
2684 | if (!tty->TS_fwd_scroll) |
2685 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2686 | |
fca177d4 | 2687 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2688 | |
6548cf00 KL |
2689 | if (TabWidth (tty) < 0) |
2690 | TabWidth (tty) = 8; | |
177c0ea7 | 2691 | |
08a24c47 JB |
2692 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2693 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2694 | if (!tty->Wcm->cm_tab) |
2695 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2696 | */ |
2697 | ||
54800acb MB |
2698 | /* We don't support standout modes that use `magic cookies', so |
2699 | turn off any that do. */ | |
fca177d4 | 2700 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2701 | { |
fca177d4 KL |
2702 | tty->TS_standout_mode = 0; |
2703 | tty->TS_end_standout_mode = 0; | |
54800acb | 2704 | } |
fca177d4 | 2705 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2706 | { |
fca177d4 KL |
2707 | tty->TS_enter_underline_mode = 0; |
2708 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2709 | } |
2710 | ||
2711 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2712 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2713 | { |
fca177d4 KL |
2714 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2715 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2716 | } |
2717 | ||
afd359c4 RS |
2718 | /* If no `se' string, try using a `me' string instead. |
2719 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2720 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2721 | { |
e4bfb3b6 | 2722 | char *s = tgetstr ("me", address); |
afd359c4 | 2723 | if (s != 0) |
fca177d4 | 2724 | tty->TS_end_standout_mode = s; |
afd359c4 | 2725 | else |
fca177d4 | 2726 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2727 | } |
2728 | ||
fca177d4 | 2729 | if (tty->TF_teleray) |
08a24c47 | 2730 | { |
6548cf00 | 2731 | tty->Wcm->cm_tab = 0; |
54800acb | 2732 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2733 | tty->TS_standout_mode = 0; |
08a24c47 | 2734 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2735 | CR (tty) = 0; |
08a24c47 JB |
2736 | /* LF can't be trusted either -- can alter hpos */ |
2737 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2738 | Down (tty) = 0; |
08a24c47 JB |
2739 | } |
2740 | ||
2741 | /* Special handling for certain terminal types known to need it */ | |
2742 | ||
2743 | if (!strcmp (terminal_type, "supdup")) | |
2744 | { | |
428a555e | 2745 | display->memory_below_frame = 1; |
6548cf00 | 2746 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2747 | } |
2748 | if (!strncmp (terminal_type, "c10", 3) | |
2749 | || !strcmp (terminal_type, "perq")) | |
2750 | { | |
2751 | /* Supply a makeshift :wi string. | |
2752 | This string is not valid in general since it works only | |
2753 | for windows starting at the upper left corner; | |
2754 | but that is all Emacs uses. | |
daf01701 | 2755 | |
ff11dfa1 | 2756 | This string works only if the frame is using |
08a24c47 JB |
2757 | the top of the video memory, because addressing is memory-relative. |
2758 | So first check the :ti string to see if that is true. | |
2759 | ||
2760 | It would be simpler if the :wi string could go in the termcap | |
2761 | entry, but it can't because it is not fully valid. | |
2762 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2763 | if (!tty->TS_set_window) |
08a24c47 | 2764 | { |
fca177d4 | 2765 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2766 | while (*p && strcmp (p, "\033v ")) |
2767 | p++; | |
2768 | if (*p) | |
fca177d4 | 2769 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2770 | } |
2771 | /* Termcap entry often fails to have :in: flag */ | |
428a555e | 2772 | display->must_write_spaces = 1; |
08a24c47 JB |
2773 | /* :ti string typically fails to have \E^G! in it */ |
2774 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2775 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2776 | strcat (area, "\033\007!"); |
fca177d4 | 2777 | tty->TS_termcap_modes = area; |
08a24c47 | 2778 | area += strlen (area) + 1; |
6548cf00 | 2779 | p = AbsPosition (tty); |
08a24c47 | 2780 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2781 | values above 96 correctly for the C100. */ |
08a24c47 | 2782 | while (*p) |
28d440ab KL |
2783 | { |
2784 | if (p[0] == '%' && p[1] == '+') | |
2785 | p[1] = 'C'; | |
2786 | p++; | |
2787 | } | |
08a24c47 JB |
2788 | } |
2789 | ||
0a125897 | 2790 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2791 | |
6548cf00 | 2792 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 KL |
2793 | { |
2794 | maybe_fatal (must_succeed, NULL, display, | |
2795 | "Terminal type \"%s\" is not powerful enough to run Emacs", | |
08a24c47 | 2796 | #ifdef VMS |
3224dac1 | 2797 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2798 | It lacks the ability to position the cursor.\n\ |
2799 | If that is not the actual type of terminal you have, use either the\n\ | |
2800 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2801 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2802 | #else /* not VMS */ |
2803 | # ifdef TERMINFO | |
3224dac1 | 2804 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2805 | It lacks the ability to position the cursor.\n\ |
2806 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2807 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2808 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2809 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2810 | # else /* TERMCAP */ |
3224dac1 | 2811 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2812 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2813 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2814 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2815 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2816 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2817 | # endif /* TERMINFO */ |
2818 | #endif /*VMS */ | |
3224dac1 | 2819 | terminal_type); |
fca177d4 | 2820 | } |
daf01701 | 2821 | |
0a125897 | 2822 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
3224dac1 KL |
2823 | maybe_fatal (must_succeed, NULL, display, |
2824 | "Could not determine the frame size", | |
2825 | "Could not determine the frame size"); | |
08a24c47 | 2826 | |
fca177d4 KL |
2827 | tty->delete_in_insert_mode |
2828 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2829 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2830 | |
fca177d4 KL |
2831 | tty->se_is_so = (tty->TS_standout_mode |
2832 | && tty->TS_end_standout_mode | |
2833 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2834 | |
0b0d3e0b | 2835 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 2836 | |
428a555e | 2837 | display->scroll_region_ok |
6548cf00 | 2838 | = (tty->Wcm->cm_abs |
fca177d4 | 2839 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2840 | |
428a555e | 2841 | display->line_ins_del_ok |
fca177d4 KL |
2842 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2843 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
428a555e | 2844 | || (display->scroll_region_ok |
fca177d4 | 2845 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2846 | |
428a555e | 2847 | display->char_ins_del_ok |
fca177d4 KL |
2848 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2849 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2850 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2851 | |
428a555e | 2852 | display->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2853 | |
0b0d3e0b | 2854 | init_baud_rate (fileno (tty->input)); |
20a558dc | 2855 | |
daf01701 KL |
2856 | #ifdef AIXHFT |
2857 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2858 | really ugly at times. */ | |
428a555e KL |
2859 | display->line_ins_del_ok = 0; |
2860 | display->char_ins_del_ok = 0; | |
daf01701 KL |
2861 | #endif |
2862 | ||
7b00d185 KL |
2863 | #ifdef MULTI_KBOARD |
2864 | tty->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
2865 | init_kboard (tty->kboard); | |
2866 | tty->kboard->next_kboard = all_kboards; | |
2867 | all_kboards = tty->kboard; | |
2868 | /* Don't let the initial kboard remain current longer than necessary. | |
2869 | That would cause problems if a file loaded on startup tries to | |
2870 | prompt in the mini-buffer. */ | |
2871 | if (current_kboard == initial_kboard) | |
2872 | current_kboard = tty->kboard; | |
2873 | tty->kboard->reference_count++; | |
2874 | #endif | |
2875 | ||
0a125897 KL |
2876 | /* Don't do this. I think termcap may still need the buffer. */ |
2877 | /* xfree (buffer); */ | |
28d440ab | 2878 | |
0a125897 KL |
2879 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2880 | init_sys_modes (tty); | |
daf01701 | 2881 | |
428a555e | 2882 | return display; |
7b00d185 | 2883 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2884 | } |
2885 | ||
3224dac1 KL |
2886 | /* Auxiliary error-handling function for term_init. |
2887 | Free BUFFER and delete DISPLAY, then call error or fatal | |
da8e1115 KL |
2888 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
2889 | ||
3224dac1 KL |
2890 | static void |
2891 | maybe_fatal (must_succeed, buffer, display, str1, str2, arg1, arg2) | |
2892 | int must_succeed; | |
2893 | char *buffer; | |
2894 | struct display *display; | |
2895 | char *str1, *str2, *arg1, *arg2; | |
2896 | { | |
2897 | if (buffer) | |
2898 | xfree (buffer); | |
2899 | ||
2900 | if (display) | |
2901 | delete_tty (display); | |
2902 | ||
2903 | if (must_succeed) | |
2904 | fatal (str2, arg1, arg2); | |
2905 | else | |
2906 | error (str1, arg1, arg2); | |
2907 | ||
2908 | abort (); | |
2909 | } | |
2910 | ||
08a24c47 | 2911 | /* VARARGS 1 */ |
dfcf069d | 2912 | void |
08a24c47 | 2913 | fatal (str, arg1, arg2) |
4746118a | 2914 | char *str, *arg1, *arg2; |
08a24c47 JB |
2915 | { |
2916 | fprintf (stderr, "emacs: "); | |
2917 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2918 | fprintf (stderr, "\n"); |
08a24c47 JB |
2919 | fflush (stderr); |
2920 | exit (1); | |
2921 | } | |
07c57952 | 2922 | |
819b8f00 KL |
2923 | \f |
2924 | ||
0a125897 KL |
2925 | static int deleting_tty = 0; |
2926 | ||
da8e1115 KL |
2927 | |
2928 | /* Delete the given terminal device, closing all frames on it. */ | |
2929 | ||
fca177d4 | 2930 | void |
428a555e | 2931 | delete_tty (struct display *display) |
fca177d4 | 2932 | { |
428a555e | 2933 | struct tty_display_info *tty; |
fca177d4 | 2934 | Lisp_Object tail, frame; |
4d553a13 | 2935 | char *tty_name; |
81be1a93 | 2936 | int last_display; |
4d553a13 | 2937 | |
0a125897 KL |
2938 | if (deleting_tty) |
2939 | /* We get a recursive call when we delete the last frame on this | |
428a555e | 2940 | display. */ |
0a125897 | 2941 | return; |
fca177d4 | 2942 | |
428a555e KL |
2943 | if (display->type != output_termcap) |
2944 | abort (); | |
2945 | ||
2946 | tty = display->display_info.tty; | |
2947 | ||
81be1a93 KL |
2948 | last_display = 1; |
2949 | FOR_EACH_FRAME (tail, frame) | |
2950 | { | |
2951 | struct frame *f = XFRAME (frame); | |
2952 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
2953 | { | |
2954 | last_display = 0; | |
2955 | break; | |
2956 | } | |
2957 | } | |
2958 | if (last_display) | |
2959 | error ("Attempt to delete the sole display with live frames"); | |
2960 | ||
fca177d4 KL |
2961 | if (tty == tty_list) |
2962 | tty_list = tty->next; | |
2963 | else | |
2964 | { | |
28d7d09f | 2965 | struct tty_display_info *p; |
fca177d4 KL |
2966 | for (p = tty_list; p && p->next != tty; p = p->next) |
2967 | ; | |
2968 | ||
2969 | if (! p) | |
2970 | /* This should not happen. */ | |
2971 | abort (); | |
2972 | ||
0a125897 KL |
2973 | p->next = tty->next; |
2974 | tty->next = 0; | |
fca177d4 KL |
2975 | } |
2976 | ||
81be1a93 KL |
2977 | deleting_tty = 1; |
2978 | ||
04c3243c KL |
2979 | FOR_EACH_FRAME (tail, frame) |
2980 | { | |
2981 | struct frame *f = XFRAME (frame); | |
daf01701 | 2982 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
2983 | { |
2984 | Fdelete_frame (frame, Qt); | |
04c3243c KL |
2985 | } |
2986 | } | |
daf01701 | 2987 | |
3224dac1 KL |
2988 | /* reset_sys_modes needs a valid display, so this call needs to be |
2989 | before delete_display. */ | |
04c3243c | 2990 | reset_sys_modes (tty); |
fca177d4 | 2991 | |
3224dac1 KL |
2992 | delete_display (display); |
2993 | ||
4d553a13 | 2994 | tty_name = tty->name; |
fca177d4 KL |
2995 | if (tty->type) |
2996 | xfree (tty->type); | |
daf01701 | 2997 | |
fca177d4 | 2998 | if (tty->input) |
819b8f00 KL |
2999 | { |
3000 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3001 | if (tty->input != stdin) | |
3002 | fclose (tty->input); | |
3003 | } | |
3004 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3005 | fclose (tty->output); |
3006 | if (tty->termscript) | |
3007 | fclose (tty->termscript); | |
daf01701 | 3008 | |
fca177d4 | 3009 | if (tty->old_tty) |
0a125897 | 3010 | xfree (tty->old_tty); |
fca177d4 | 3011 | |
0a125897 | 3012 | if (tty->Wcm) |
daf01701 KL |
3013 | xfree (tty->Wcm); |
3014 | ||
7b00d185 KL |
3015 | #ifdef MULTI_KBOARD |
3016 | if (tty->kboard && --tty->kboard->reference_count > 0) | |
3017 | abort (); | |
3018 | if (tty->kboard) | |
3019 | delete_kboard (tty->kboard); | |
3020 | #endif | |
3021 | ||
28d7d09f | 3022 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3023 | xfree (tty); |
0a125897 | 3024 | deleting_tty = 0; |
fca177d4 KL |
3025 | } |
3026 | ||
428a555e KL |
3027 | \f |
3028 | ||
3029 | /* Initialize the tty-dependent part of frame F. The frame must | |
3030 | already have its display initialized. */ | |
da8e1115 | 3031 | |
428a555e KL |
3032 | void |
3033 | create_tty_output (struct frame *f) | |
3034 | { | |
e9cda827 KL |
3035 | struct tty_output *t; |
3036 | ||
428a555e KL |
3037 | if (! FRAME_TERMCAP_P (f)) |
3038 | abort (); | |
3039 | ||
e9cda827 | 3040 | t = xmalloc (sizeof (struct tty_output)); |
428a555e KL |
3041 | bzero (t, sizeof (struct tty_output)); |
3042 | ||
3043 | t->display_info = FRAME_DISPLAY (f)->display_info.tty; | |
3044 | ||
3045 | f->output_data.tty = t; | |
3046 | } | |
3047 | ||
3048 | /* Delete the tty-dependent part of frame F. */ | |
da8e1115 | 3049 | |
428a555e KL |
3050 | void |
3051 | delete_tty_output (struct frame *f) | |
3052 | { | |
3053 | if (! FRAME_TERMCAP_P (f)) | |
3054 | abort (); | |
3055 | ||
3056 | xfree (f->output_data.tty); | |
3057 | } | |
3058 | ||
fca177d4 | 3059 | |
819b8f00 | 3060 | \f |
28d440ab | 3061 | |
28d7d09f | 3062 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3063 | Called by the Fgarbage_collector. */ |
da8e1115 | 3064 | |
fca177d4 | 3065 | void |
819b8f00 | 3066 | mark_ttys () |
fca177d4 | 3067 | { |
28d7d09f | 3068 | struct tty_display_info *tty; |
0c72d684 | 3069 | |
819b8f00 | 3070 | for (tty = tty_list; tty; tty = tty->next) |
fca177d4 | 3071 | { |
819b8f00 KL |
3072 | if (tty->top_frame) |
3073 | mark_object (tty->top_frame); | |
fca177d4 KL |
3074 | } |
3075 | } | |
3076 | ||
428a555e KL |
3077 | \f |
3078 | ||
3079 | /* Create a new display object and add it to the display list. */ | |
da8e1115 | 3080 | |
428a555e KL |
3081 | struct display * |
3082 | create_display (void) | |
3083 | { | |
b8299c66 | 3084 | struct display *display = (struct display *) xmalloc (sizeof (struct display)); |
428a555e | 3085 | |
b8299c66 KL |
3086 | bzero (display, sizeof (struct display)); |
3087 | display->next_display = display_list; | |
3088 | display_list = display; | |
3089 | ||
b6660415 KL |
3090 | display->id = next_display_id++; |
3091 | ||
b8299c66 KL |
3092 | display->keyboard_coding = |
3093 | (struct coding_system *) xmalloc (sizeof (struct coding_system)); | |
3094 | display->terminal_coding = | |
3095 | (struct coding_system *) xmalloc (sizeof (struct coding_system)); | |
3096 | ||
3097 | setup_coding_system (Qnil, display->keyboard_coding); | |
3098 | setup_coding_system (Qnil, display->terminal_coding); | |
3099 | ||
3100 | return display; | |
428a555e KL |
3101 | } |
3102 | ||
3103 | /* Remove a display from the display list and free its memory. */ | |
da8e1115 | 3104 | |
428a555e | 3105 | void |
b8299c66 | 3106 | delete_display (struct display *display) |
428a555e KL |
3107 | { |
3108 | struct display **dp; | |
d448e982 KL |
3109 | Lisp_Object tail, frame; |
3110 | ||
3111 | /* Check for and close live frames that are still on this | |
3112 | display. */ | |
3113 | FOR_EACH_FRAME (tail, frame) | |
3114 | { | |
3115 | struct frame *f = XFRAME (frame); | |
b8299c66 | 3116 | if (FRAME_LIVE_P (f) && f->display == display) |
d448e982 KL |
3117 | { |
3118 | Fdelete_frame (frame, Qt); | |
3119 | } | |
3120 | } | |
3121 | ||
b8299c66 | 3122 | for (dp = &display_list; *dp != display; dp = &(*dp)->next_display) |
428a555e KL |
3123 | if (! *dp) |
3124 | abort (); | |
b8299c66 KL |
3125 | *dp = display->next_display; |
3126 | ||
3127 | if (display->keyboard_coding) | |
3128 | xfree (display->keyboard_coding); | |
3129 | if (display->terminal_coding) | |
3130 | xfree (display->terminal_coding); | |
b6660415 KL |
3131 | if (display->name) |
3132 | xfree (display->name); | |
3133 | ||
b8299c66 KL |
3134 | bzero (display, sizeof (struct display)); |
3135 | xfree (display); | |
428a555e KL |
3136 | } |
3137 | ||
b6660415 KL |
3138 | DEFUN ("delete-display", Fdelete_display, Sdelete_display, 0, 2, 0, |
3139 | doc: /* Delete DISPLAY by deleting all frames on it and closing the device. | |
3140 | DISPLAY may be a display id, a frame, or nil for the display | |
3141 | device of the current frame. | |
3142 | ||
3143 | Normally, you may not delete a display if all other displays are suspended, | |
3144 | but if the second argument FORCE is non-nil, you may do so. */) | |
3145 | (display, force) | |
3146 | Lisp_Object display, force; | |
3147 | { | |
3148 | struct display *d, *p; | |
3149 | ||
3150 | d = get_display (display); | |
3151 | ||
3152 | if (!d) | |
3153 | return Qnil; | |
3154 | ||
3155 | p = display_list; | |
3156 | while (p && (p == d || !DISPLAY_ACTIVE_P (p))) | |
3157 | p = p->next_display; | |
3158 | ||
3159 | if (NILP (force) && !p) | |
3160 | error ("Attempt to delete the sole active display"); | |
3161 | ||
3162 | if (d->delete_display_hook) | |
3163 | (*d->delete_display_hook) (d); | |
3164 | else | |
3165 | delete_display (d); | |
3166 | ||
3167 | return Qnil; | |
3168 | } | |
3169 | ||
3170 | DEFUN ("display-live-p", Fdisplay_live_p, Sdisplay_live_p, 1, 1, 0, | |
3171 | doc: /* Return non-nil if OBJECT is a display which has not been deleted. | |
3172 | Value is nil if OBJECT is not a live display. | |
3173 | If object is a live display, the return value indicates what sort of | |
3174 | output device it uses. See the documentation of `framep' for possible | |
3175 | return values. | |
3176 | ||
3177 | Displays are represented by their integer identifiers. */) | |
3178 | (object) | |
3179 | Lisp_Object object; | |
3180 | { | |
3181 | struct display *d; | |
3182 | ||
3183 | if (!INTEGERP (object)) | |
3184 | return Qnil; | |
3185 | ||
3186 | d = get_display (object); | |
3187 | ||
3188 | if (!d) | |
3189 | return Qnil; | |
3190 | ||
3191 | switch (d->type) | |
3192 | { | |
3193 | case output_initial: /* The initial frame is like a termcap frame. */ | |
3194 | case output_termcap: | |
3195 | return Qt; | |
3196 | case output_x_window: | |
3197 | return Qx; | |
3198 | case output_w32: | |
3199 | return Qw32; | |
3200 | case output_msdos_raw: | |
3201 | return Qpc; | |
3202 | case output_mac: | |
3203 | return Qmac; | |
3204 | default: | |
3205 | abort (); | |
3206 | } | |
3207 | } | |
3208 | ||
3209 | DEFUN ("display-list", Fdisplay_list, Sdisplay_list, 0, 0, 0, | |
3210 | doc: /* Return a list of all displays. | |
3211 | Displays are represented by their integer identifiers. */) | |
3212 | () | |
3213 | { | |
3214 | Lisp_Object displays = Qnil; | |
3215 | struct display *d; | |
3216 | ||
3217 | for (d = display_list; d; d = d->next_display) | |
3218 | displays = Fcons (make_number (d->id), displays); | |
3219 | ||
3220 | return displays; | |
3221 | } | |
3222 | ||
3223 | ||
0b0d3e0b KL |
3224 | \f |
3225 | ||
3226 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
3227 | doc: /* Suspend the terminal device TTY. | |
b6660415 | 3228 | The terminal is restored to its default state, and Emacs ceases all |
0b0d3e0b KL |
3229 | access to the terminal device. Frames that use the device are not |
3230 | deleted, but input is not read from them and if they change, their | |
3231 | display is not updated. | |
3232 | ||
b6660415 KL |
3233 | TTY may be a display id, a frame, or nil for the display device of the |
3234 | currently selected frame. | |
0b0d3e0b KL |
3235 | |
3236 | This function runs `suspend-tty-functions' after suspending the | |
b6660415 KL |
3237 | device. The functions are run with one arg, the id of the suspended |
3238 | display device. | |
0b0d3e0b KL |
3239 | |
3240 | `suspend-tty' does nothing if it is called on an already suspended | |
3241 | device. | |
3242 | ||
3243 | A suspended terminal device may be resumed by calling `resume-tty' on | |
3244 | it. */) | |
3245 | (tty) | |
3246 | Lisp_Object tty; | |
3247 | { | |
3248 | struct display *d = get_tty_display (tty); | |
3249 | FILE *f; | |
3250 | ||
3251 | if (!d) | |
3252 | error ("Unknown tty device"); | |
3253 | ||
3254 | f = d->display_info.tty->input; | |
3255 | ||
3256 | if (f) | |
3257 | { | |
3258 | reset_sys_modes (d->display_info.tty); | |
3259 | ||
3260 | delete_keyboard_wait_descriptor (fileno (f)); | |
3261 | ||
3262 | fclose (f); | |
3263 | if (f != d->display_info.tty->output) | |
3264 | fclose (d->display_info.tty->output); | |
3265 | ||
3266 | d->display_info.tty->input = 0; | |
3267 | d->display_info.tty->output = 0; | |
3268 | ||
3269 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3270 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 0); | |
3271 | ||
3272 | /* Run `suspend-tty-functions'. */ | |
3273 | if (!NILP (Vrun_hooks)) | |
3274 | { | |
3275 | Lisp_Object args[2]; | |
3276 | args[0] = intern ("suspend-tty-functions"); | |
b6660415 | 3277 | args[1] = make_number (d->id); |
0b0d3e0b KL |
3278 | Frun_hook_with_args (2, args); |
3279 | } | |
3280 | } | |
3281 | ||
3282 | return Qnil; | |
3283 | } | |
3284 | ||
3285 | ||
3286 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
3287 | doc: /* Resume the previously suspended terminal device TTY. | |
b6660415 KL |
3288 | The terminal is opened and reinitialized. Frames that are on the |
3289 | suspended display are revived. | |
3290 | ||
3291 | It is an error to resume a display while another display is active on | |
3292 | the same device. | |
0b0d3e0b KL |
3293 | |
3294 | This function runs `resume-tty-functions' after resuming the device. | |
b6660415 KL |
3295 | The functions are run with one arg, the id of the resumed display |
3296 | device. | |
0b0d3e0b KL |
3297 | |
3298 | `resume-tty' does nothing if it is called on a device that is not | |
3299 | suspended. | |
3300 | ||
b6660415 KL |
3301 | TTY may be a display id, a frame, or nil for the display device of the |
3302 | currently selected frame. */) | |
0b0d3e0b KL |
3303 | (tty) |
3304 | Lisp_Object tty; | |
3305 | { | |
3306 | struct display *d = get_tty_display (tty); | |
3307 | int fd; | |
3308 | ||
3309 | if (!d) | |
3310 | error ("Unknown tty device"); | |
3311 | ||
3312 | if (!d->display_info.tty->input) | |
3313 | { | |
b6660415 KL |
3314 | if (get_named_tty_display (d->display_info.tty->name)) |
3315 | error ("Cannot resume display while another display is active on the same device"); | |
3316 | ||
0b0d3e0b | 3317 | fd = emacs_open (d->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
0b0d3e0b | 3318 | |
03a1d6bd KL |
3319 | /* XXX What if open fails? */ |
3320 | ||
3321 | dissociate_if_controlling_tty (fd); | |
3322 | ||
0b0d3e0b KL |
3323 | d->display_info.tty->output = fdopen (fd, "w+"); |
3324 | d->display_info.tty->input = d->display_info.tty->output; | |
3325 | ||
3326 | add_keyboard_wait_descriptor (fd); | |
3327 | ||
3328 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3329 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 1); | |
3330 | ||
3331 | init_sys_modes (d->display_info.tty); | |
3332 | ||
3333 | /* Run `suspend-tty-functions'. */ | |
3334 | if (!NILP (Vrun_hooks)) | |
3335 | { | |
3336 | Lisp_Object args[2]; | |
3337 | args[0] = intern ("resume-tty-functions"); | |
b6660415 | 3338 | args[1] = make_number (d->id); |
0b0d3e0b KL |
3339 | Frun_hook_with_args (2, args); |
3340 | } | |
3341 | } | |
3342 | ||
3343 | return Qnil; | |
3344 | } | |
28d440ab | 3345 | |
819b8f00 KL |
3346 | \f |
3347 | void | |
3348 | syms_of_term () | |
3349 | { | |
3350 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3351 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3352 | This variable can be used by terminal emulator packages. */); | |
3353 | #ifdef TERMINFO | |
3354 | system_uses_terminfo = 1; | |
3355 | #else | |
3356 | system_uses_terminfo = 0; | |
3357 | #endif | |
3358 | ||
3359 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
3360 | doc: /* Non-nil means call this function to ring the bell. | |
3361 | The function should accept no arguments. */); | |
3362 | Vring_bell_function = Qnil; | |
3363 | ||
0b0d3e0b KL |
3364 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3365 | doc: /* Functions to be run after suspending a tty. | |
3366 | The functions are run with one argument, the name of the tty to be suspended. | |
3367 | See `suspend-tty'. */); | |
3368 | Vsuspend_tty_functions = Qnil; | |
3369 | ||
3370 | ||
3371 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, | |
3372 | doc: /* Functions to be run after resuming a tty. | |
3373 | The functions are run with one argument, the name of the tty that was revived. | |
3374 | See `resume-tty'. */); | |
3375 | Vresume_tty_functions = Qnil; | |
3376 | ||
819b8f00 KL |
3377 | defsubr (&Stty_display_color_p); |
3378 | defsubr (&Stty_display_color_cells); | |
b6660415 KL |
3379 | defsubr (&Sdisplay_name); |
3380 | defsubr (&Sdisplay_tty_type); | |
4a933ef8 | 3381 | defsubr (&Sdisplay_controlling_tty_p); |
b6660415 KL |
3382 | defsubr (&Sdelete_display); |
3383 | defsubr (&Sdisplay_live_p); | |
3384 | defsubr (&Sdisplay_list); | |
0b0d3e0b KL |
3385 | defsubr (&Ssuspend_tty); |
3386 | defsubr (&Sresume_tty); | |
daf01701 | 3387 | |
819b8f00 | 3388 | Fprovide (intern ("multi-tty"), Qnil); |
7b00d185 | 3389 | |
819b8f00 KL |
3390 | } |
3391 | ||
3392 | ||
3393 | ||
ab5796a9 MB |
3394 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3395 | (do not change this comment) */ |