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 | ||
9628b887 | 31 | #include "lisp.h" |
08a24c47 JB |
32 | #include "termchar.h" |
33 | #include "termopts.h" | |
a4decb7f KH |
34 | #include "charset.h" |
35 | #include "coding.h" | |
2538fae4 | 36 | #include "keyboard.h" |
ff11dfa1 | 37 | #include "frame.h" |
08a24c47 JB |
38 | #include "disptab.h" |
39 | #include "termhooks.h" | |
dfcf069d | 40 | #include "dispextern.h" |
a168702a | 41 | #include "window.h" |
8feddab4 | 42 | #include "keymap.h" |
a168702a | 43 | |
ff23e1dd GM |
44 | /* For now, don't try to include termcap.h. On some systems, |
45 | configure finds a non-standard termcap.h that the main build | |
46 | won't find. */ | |
47 | ||
48 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 49 | #include <termcap.h> |
46d1b2bc DL |
50 | #else |
51 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
52 | extern int tgetent P_ ((char *, const char *)); | |
53 | extern int tgetflag P_ ((char *id)); | |
54 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
55 | #endif |
56 | ||
eccec691 | 57 | #include "cm.h" |
dfcf069d AS |
58 | #ifdef HAVE_X_WINDOWS |
59 | #include "xterm.h" | |
60 | #endif | |
e0f712ba | 61 | #ifdef MAC_OS |
1a578e9b AC |
62 | #include "macterm.h" |
63 | #endif | |
c8951b18 | 64 | |
28d440ab KL |
65 | #ifndef O_RDWR |
66 | #define O_RDWR 2 | |
67 | #endif | |
68 | ||
a168702a GM |
69 | static void turn_on_face P_ ((struct frame *, int face_id)); |
70 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
71 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
72 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
fca177d4 | 73 | |
3224dac1 | 74 | void delete_initial_display P_ ((struct display *)); |
428a555e KL |
75 | void delete_tty P_ ((struct display *)); |
76 | void create_tty_output P_ ((struct frame *)); | |
77 | void delete_tty_output P_ ((struct frame *)); | |
a168702a | 78 | |
6548cf00 KL |
79 | #define OUTPUT(tty, a) \ |
80 | emacs_tputs ((tty), a, \ | |
81 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
82 | - curY (tty)), \ | |
83 | cmputc) | |
84 | ||
28d440ab KL |
85 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
86 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 87 | |
28d440ab | 88 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
89 | do { \ |
90 | if (a) \ | |
91 | emacs_tputs ((tty), a, \ | |
92 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
93 | - curY (tty) ), \ | |
94 | cmputc); \ | |
95 | } while (0) | |
177c0ea7 | 96 | |
28d440ab | 97 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 98 | |
c291d9ef | 99 | /* Function to use to ring the bell. */ |
a168702a | 100 | |
c291d9ef RS |
101 | Lisp_Object Vring_bell_function; |
102 | ||
4d553a13 KL |
103 | /* Functions to call after a tty was deleted. */ |
104 | Lisp_Object Vdelete_tty_after_functions; | |
105 | ||
428a555e KL |
106 | /* Chain of all displays currently in use. */ |
107 | struct display *display_list; | |
28d440ab | 108 | |
3224dac1 KL |
109 | /* The initial display device, created by initial_term_init. */ |
110 | struct display *initial_display; | |
111 | ||
428a555e | 112 | /* Chain of all tty device parameters. */ |
28d7d09f | 113 | struct tty_display_info *tty_list; |
08a24c47 | 114 | |
fca177d4 KL |
115 | /* Nonzero means no need to redraw the entire frame on resuming a |
116 | suspended Emacs. This is useful on terminals with multiple | |
117 | pages, where one page is used for Emacs and another for all | |
118 | else. */ | |
08a24c47 | 119 | int no_redraw_on_reenter; |
819b8f00 KL |
120 | |
121 | Lisp_Object Qframe_tty_name, Qframe_tty_type; | |
122 | ||
20a558dc | 123 | |
4e6ba4a4 GM |
124 | |
125 | /* Meaning of bits in no_color_video. Each bit set means that the | |
126 | corresponding attribute cannot be combined with colors. */ | |
127 | ||
128 | enum no_color_bit | |
129 | { | |
130 | NC_STANDOUT = 1 << 0, | |
131 | NC_UNDERLINE = 1 << 1, | |
132 | NC_REVERSE = 1 << 2, | |
133 | NC_BLINK = 1 << 3, | |
134 | NC_DIM = 1 << 4, | |
135 | NC_BOLD = 1 << 5, | |
136 | NC_INVIS = 1 << 6, | |
137 | NC_PROTECT = 1 << 7, | |
138 | NC_ALT_CHARSET = 1 << 8 | |
139 | }; | |
140 | ||
08a24c47 JB |
141 | /* internal state */ |
142 | ||
8dd0c7cb | 143 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 144 | |
9882535b | 145 | int max_frame_cols; |
a168702a | 146 | |
8dd0c7cb | 147 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 148 | |
9882535b | 149 | int max_frame_lines; |
8dd0c7cb | 150 | |
ff11dfa1 | 151 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
152 | (Direct output does not count). */ |
153 | ||
ff11dfa1 | 154 | FRAME_PTR updating_frame; |
08a24c47 | 155 | |
07c57952 | 156 | /* Provided for lisp packages. */ |
a168702a | 157 | |
07c57952 KH |
158 | static int system_uses_terminfo; |
159 | ||
08a24c47 | 160 | char *tparam (); |
e4bfb3b6 RS |
161 | |
162 | extern char *tgetstr (); | |
08a24c47 | 163 | \f |
cb28b9c2 | 164 | |
1a89b7c6 AI |
165 | #ifdef WINDOWSNT |
166 | /* We aren't X windows, but we aren't termcap either. This makes me | |
167 | uncertain as to what value to use for frame.output_method. For | |
168 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
169 | output hooks get called instead of the termcap functions. Probably | |
170 | the best long-term solution is to define an output_windows_nt... */ | |
171 | ||
172 | #undef FRAME_TERMCAP_P | |
173 | #define FRAME_TERMCAP_P(_f_) 0 | |
174 | #endif /* WINDOWSNT */ | |
175 | ||
dfcf069d | 176 | void |
08a24c47 JB |
177 | ring_bell () |
178 | { | |
4ca927b4 | 179 | struct frame *f = XFRAME (selected_frame); |
6548cf00 | 180 | |
d284f58f | 181 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
182 | { |
183 | Lisp_Object function; | |
184 | ||
185 | /* Temporarily set the global variable to nil | |
186 | so that if we get an error, it stays nil | |
187 | and we don't call it over and over. | |
188 | ||
189 | We don't specbind it, because that would carefully | |
190 | restore the bad value if there's an error | |
191 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 192 | |
c291d9ef RS |
193 | function = Vring_bell_function; |
194 | Vring_bell_function = Qnil; | |
195 | ||
196 | call0 (function); | |
197 | ||
198 | Vring_bell_function = function; | |
08a24c47 | 199 | } |
428a555e KL |
200 | else if (FRAME_DISPLAY (f)->ring_bell_hook) |
201 | (*FRAME_DISPLAY (f)->ring_bell_hook) (); | |
08a24c47 JB |
202 | } |
203 | ||
3224dac1 KL |
204 | void |
205 | tty_ring_bell () | |
206 | { | |
4ca927b4 | 207 | struct frame *f = XFRAME (selected_frame); |
3224dac1 KL |
208 | struct tty_display_info *tty = FRAME_TTY (f); |
209 | ||
210 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
211 | ? tty->TS_visible_bell | |
212 | : tty->TS_bell)); | |
213 | } | |
214 | ||
215 | void tty_set_terminal_modes (struct display *display) | |
fca177d4 | 216 | { |
3224dac1 KL |
217 | struct tty_display_info *tty = display->display_info.tty; |
218 | ||
fca177d4 KL |
219 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
220 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
221 | OUTPUT_IF (tty, tty->TS_keypad_mode); | |
222 | losecursor (tty); | |
223 | } | |
224 | ||
3224dac1 | 225 | void tty_reset_terminal_modes (struct display *display) |
fca177d4 | 226 | { |
3224dac1 KL |
227 | struct tty_display_info *tty = display->display_info.tty; |
228 | ||
fca177d4 KL |
229 | turn_off_highlight (tty); |
230 | turn_off_insert (tty); | |
231 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); | |
232 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
233 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
234 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
235 | /* Output raw CR so kernel can track the cursor hpos. */ | |
236 | current_tty = tty; | |
237 | cmputc ('\r'); | |
238 | } | |
239 | ||
dfcf069d | 240 | void |
ff11dfa1 | 241 | update_begin (f) |
d284f58f | 242 | struct frame *f; |
08a24c47 | 243 | { |
ff11dfa1 | 244 | updating_frame = f; |
428a555e KL |
245 | if (FRAME_DISPLAY (f)->update_begin_hook) |
246 | (*FRAME_DISPLAY (f)->update_begin_hook) (f); | |
08a24c47 JB |
247 | } |
248 | ||
dfcf069d | 249 | void |
ff11dfa1 | 250 | update_end (f) |
d284f58f | 251 | struct frame *f; |
08a24c47 | 252 | { |
428a555e KL |
253 | if (FRAME_DISPLAY (f)->update_end_hook) |
254 | (*FRAME_DISPLAY (f)->update_end_hook) (f); | |
d284f58f | 255 | updating_frame = NULL; |
08a24c47 JB |
256 | } |
257 | ||
3224dac1 KL |
258 | void |
259 | tty_update_end (struct frame *f) | |
260 | { | |
261 | struct tty_display_info *tty = FRAME_TTY (f); | |
262 | ||
263 | if (!XWINDOW (selected_window)->cursor_off_p) | |
264 | tty_show_cursor (tty); | |
265 | turn_off_insert (tty); | |
266 | background_highlight (tty); | |
267 | } | |
268 | ||
dfcf069d | 269 | void |
08a24c47 JB |
270 | set_terminal_window (size) |
271 | int size; | |
272 | { | |
3224dac1 KL |
273 | struct frame *f = (updating_frame |
274 | ? updating_frame | |
275 | : XFRAME (selected_frame)); | |
276 | ||
428a555e KL |
277 | if (FRAME_DISPLAY (f)->set_terminal_window_hook) |
278 | (*FRAME_DISPLAY (f)->set_terminal_window_hook) (size); | |
3224dac1 KL |
279 | } |
280 | ||
281 | void | |
282 | tty_set_terminal_window (int size) | |
283 | { | |
284 | struct frame *f = (updating_frame | |
285 | ? updating_frame | |
286 | : XFRAME (selected_frame)); | |
287 | ||
288 | struct tty_display_info *tty = FRAME_TTY (f); | |
289 | ||
290 | tty->specified_window = size ? size : FRAME_LINES (f); | |
291 | if (FRAME_SCROLL_REGION_OK (f)) | |
292 | set_scroll_region (0, tty->specified_window); | |
08a24c47 JB |
293 | } |
294 | ||
dfcf069d | 295 | void |
08a24c47 JB |
296 | set_scroll_region (start, stop) |
297 | int start, stop; | |
298 | { | |
299 | char *buf; | |
3224dac1 KL |
300 | struct frame *f = (updating_frame |
301 | ? updating_frame | |
302 | : XFRAME (selected_frame)); | |
303 | ||
28d7d09f | 304 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 305 | |
fca177d4 KL |
306 | if (tty->TS_set_scroll_region) |
307 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
308 | else if (tty->TS_set_scroll_region_1) | |
309 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
310 | FRAME_LINES (f), start, |
311 | FRAME_LINES (f) - stop, | |
312 | FRAME_LINES (f)); | |
08a24c47 | 313 | else |
fca177d4 | 314 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 315 | |
6548cf00 | 316 | OUTPUT (tty, buf); |
9ac0d9e0 | 317 | xfree (buf); |
6548cf00 | 318 | losecursor (tty); |
08a24c47 | 319 | } |
d284f58f | 320 | |
08a24c47 | 321 | \f |
d284f58f | 322 | static void |
28d7d09f | 323 | turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 324 | { |
fca177d4 KL |
325 | if (!tty->insert_mode) |
326 | OUTPUT (tty, tty->TS_insert_mode); | |
327 | tty->insert_mode = 1; | |
08a24c47 JB |
328 | } |
329 | ||
dfcf069d | 330 | void |
28d7d09f | 331 | turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 332 | { |
fca177d4 KL |
333 | if (tty->insert_mode) |
334 | OUTPUT (tty, tty->TS_end_insert_mode); | |
335 | tty->insert_mode = 0; | |
08a24c47 JB |
336 | } |
337 | \f | |
54800acb | 338 | /* Handle highlighting. */ |
08a24c47 | 339 | |
dfcf069d | 340 | void |
28d7d09f | 341 | turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 342 | { |
fca177d4 KL |
343 | if (tty->standout_mode) |
344 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
345 | tty->standout_mode = 0; | |
08a24c47 JB |
346 | } |
347 | ||
d284f58f | 348 | static void |
28d7d09f | 349 | turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 350 | { |
fca177d4 KL |
351 | if (!tty->standout_mode) |
352 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
353 | tty->standout_mode = 1; | |
08a24c47 JB |
354 | } |
355 | ||
86a7d192 | 356 | static void |
28d7d09f | 357 | toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 358 | { |
fca177d4 KL |
359 | if (tty->standout_mode) |
360 | turn_off_highlight (tty); | |
86a7d192 | 361 | else |
fca177d4 | 362 | turn_on_highlight (tty); |
86a7d192 GM |
363 | } |
364 | ||
a168702a GM |
365 | |
366 | /* Make cursor invisible. */ | |
367 | ||
368 | static void | |
28d7d09f | 369 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 370 | { |
fca177d4 | 371 | if (tty->cursor_hidden == 0) |
d284f58f | 372 | { |
fca177d4 KL |
373 | tty->cursor_hidden = 1; |
374 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 375 | } |
a168702a GM |
376 | } |
377 | ||
378 | ||
379 | /* Ensure that cursor is visible. */ | |
380 | ||
381 | static void | |
28d7d09f | 382 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 383 | { |
fca177d4 | 384 | if (tty->cursor_hidden) |
d284f58f | 385 | { |
fca177d4 KL |
386 | tty->cursor_hidden = 0; |
387 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
388 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
d284f58f | 389 | } |
a168702a GM |
390 | } |
391 | ||
392 | ||
08a24c47 JB |
393 | /* Set standout mode to the state it should be in for |
394 | empty space inside windows. What this is, | |
395 | depends on the user option inverse-video. */ | |
396 | ||
dfcf069d | 397 | void |
28d7d09f | 398 | background_highlight (struct tty_display_info *tty) |
08a24c47 | 399 | { |
08a24c47 | 400 | if (inverse_video) |
fca177d4 | 401 | turn_on_highlight (tty); |
08a24c47 | 402 | else |
fca177d4 | 403 | turn_off_highlight (tty); |
08a24c47 JB |
404 | } |
405 | ||
406 | /* Set standout mode to the mode specified for the text to be output. */ | |
407 | ||
dfcf069d | 408 | static void |
28d7d09f | 409 | highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 410 | { |
8ede64a5 | 411 | if (inverse_video) |
fca177d4 | 412 | turn_on_highlight (tty); |
8ede64a5 | 413 | else |
fca177d4 | 414 | turn_off_highlight (tty); |
08a24c47 JB |
415 | } |
416 | \f | |
417 | ||
a168702a GM |
418 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
419 | frame-relative coordinates. */ | |
08a24c47 | 420 | |
dfcf069d | 421 | void |
a168702a GM |
422 | cursor_to (vpos, hpos) |
423 | int vpos, hpos; | |
08a24c47 | 424 | { |
3224dac1 KL |
425 | struct frame *f = (updating_frame |
426 | ? updating_frame | |
427 | : XFRAME (selected_frame)); | |
daf01701 | 428 | |
428a555e | 429 | if (FRAME_DISPLAY (f)->cursor_to_hook) |
3224dac1 KL |
430 | (*FRAME_DISPLAY (f)->cursor_to_hook) (vpos, hpos); |
431 | } | |
08a24c47 | 432 | |
3224dac1 KL |
433 | void |
434 | tty_cursor_to (int vpos, int hpos) | |
435 | { | |
436 | struct frame *f = (updating_frame | |
437 | ? updating_frame | |
438 | : XFRAME (selected_frame)); | |
439 | ||
440 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 441 | |
36cae867 KH |
442 | /* Detect the case where we are called from reset_sys_modes |
443 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 444 | if (! tty->costs_set) |
36cae867 KH |
445 | return; |
446 | ||
6548cf00 KL |
447 | if (curY (tty) == vpos |
448 | && curX (tty) == hpos) | |
08a24c47 | 449 | return; |
fca177d4 KL |
450 | if (!tty->TF_standout_motion) |
451 | background_highlight (tty); | |
452 | if (!tty->TF_insmode_motion) | |
453 | turn_off_insert (tty); | |
6548cf00 | 454 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
455 | } |
456 | ||
457 | /* Similar but don't take any account of the wasted characters. */ | |
458 | ||
dfcf069d | 459 | void |
08a24c47 | 460 | raw_cursor_to (row, col) |
4746118a | 461 | int row, col; |
08a24c47 | 462 | { |
3224dac1 KL |
463 | struct frame *f = (updating_frame |
464 | ? updating_frame | |
465 | : XFRAME (selected_frame)); | |
466 | ||
428a555e | 467 | if (FRAME_DISPLAY (f)->raw_cursor_to_hook) |
3224dac1 KL |
468 | (*FRAME_DISPLAY (f)->raw_cursor_to_hook) (row, col); |
469 | } | |
470 | ||
471 | void | |
472 | tty_raw_cursor_to (int row, int col) | |
473 | { | |
474 | struct frame *f = (updating_frame | |
475 | ? updating_frame | |
476 | : XFRAME (selected_frame)); | |
477 | ||
478 | struct tty_display_info *tty = FRAME_TTY (f); | |
479 | ||
6548cf00 KL |
480 | if (curY (tty) == row |
481 | && curX (tty) == col) | |
08a24c47 | 482 | return; |
fca177d4 KL |
483 | if (!tty->TF_standout_motion) |
484 | background_highlight (tty); | |
485 | if (!tty->TF_insmode_motion) | |
486 | turn_off_insert (tty); | |
6548cf00 | 487 | cmgoto (tty, row, col); |
08a24c47 JB |
488 | } |
489 | \f | |
490 | /* Erase operations */ | |
491 | ||
ff11dfa1 | 492 | /* clear from cursor to end of frame */ |
dfcf069d | 493 | void |
08a24c47 JB |
494 | clear_to_end () |
495 | { | |
3224dac1 KL |
496 | struct frame *f = (updating_frame |
497 | ? updating_frame | |
498 | : XFRAME (selected_frame)); | |
daf01701 | 499 | |
428a555e | 500 | if (FRAME_DISPLAY (f)->clear_to_end_hook) |
3224dac1 KL |
501 | (*FRAME_DISPLAY (f)->clear_to_end_hook) (); |
502 | } | |
503 | ||
504 | void | |
505 | tty_clear_to_end (void) | |
506 | { | |
507 | register int i; | |
508 | struct frame *f = (updating_frame | |
509 | ? updating_frame | |
510 | : XFRAME (selected_frame)); | |
511 | struct tty_display_info *tty = FRAME_TTY (f); | |
512 | ||
fca177d4 | 513 | if (tty->TS_clr_to_bottom) |
08a24c47 | 514 | { |
fca177d4 KL |
515 | background_highlight (tty); |
516 | OUTPUT (tty, tty->TS_clr_to_bottom); | |
08a24c47 JB |
517 | } |
518 | else | |
519 | { | |
6548cf00 | 520 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 JB |
521 | { |
522 | cursor_to (i, 0); | |
ed02974b | 523 | clear_end_of_line (FRAME_COLS (f)); |
08a24c47 JB |
524 | } |
525 | } | |
526 | } | |
527 | ||
ff11dfa1 | 528 | /* Clear entire frame */ |
08a24c47 | 529 | |
dfcf069d | 530 | void |
ff11dfa1 | 531 | clear_frame () |
08a24c47 | 532 | { |
6548cf00 | 533 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 534 | |
428a555e | 535 | if (FRAME_DISPLAY (f)->clear_frame_hook) |
3224dac1 KL |
536 | (*FRAME_DISPLAY (f)->clear_frame_hook) (); |
537 | } | |
538 | ||
539 | void | |
540 | tty_clear_frame () | |
541 | { | |
542 | struct frame *f = (updating_frame | |
543 | ? updating_frame | |
544 | : XFRAME (selected_frame)); | |
545 | ||
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 | { | |
556 | cursor_to (0, 0); | |
557 | clear_to_end (); | |
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 |
8ede64a5 | 567 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
568 | int first_unused_hpos; |
569 | { | |
3224dac1 KL |
570 | struct frame *f = (updating_frame |
571 | ? updating_frame | |
572 | : XFRAME (selected_frame)); | |
daf01701 | 573 | |
428a555e | 574 | if (FRAME_DISPLAY (f)->clear_end_of_line_hook) |
3224dac1 | 575 | (*FRAME_DISPLAY (f)->clear_end_of_line_hook) (first_unused_hpos); |
0a125897 | 576 | } |
6548cf00 | 577 | |
0a125897 | 578 | void |
3224dac1 | 579 | tty_clear_end_of_line (int first_unused_hpos) |
0a125897 KL |
580 | { |
581 | register int i; | |
3224dac1 KL |
582 | struct frame *f = (updating_frame |
583 | ? updating_frame | |
584 | : XFRAME (selected_frame)); | |
585 | struct tty_display_info *tty = FRAME_TTY (f); | |
586 | ||
36cae867 KH |
587 | /* Detect the case where we are called from reset_sys_modes |
588 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 589 | if (! tty->costs_set) |
36cae867 KH |
590 | return; |
591 | ||
6548cf00 | 592 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 593 | return; |
fca177d4 KL |
594 | background_highlight (tty); |
595 | if (tty->TS_clr_line) | |
08a24c47 | 596 | { |
fca177d4 | 597 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
598 | } |
599 | else | |
600 | { /* have to do it the hard way */ | |
fca177d4 | 601 | turn_off_insert (tty); |
08a24c47 | 602 | |
a168702a | 603 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 604 | if (AutoWrap (tty) |
0a125897 KL |
605 | && curY (tty) == FrameRows (tty) - 1 |
606 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
607 | first_unused_hpos--; |
608 | ||
6548cf00 | 609 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 610 | { |
6548cf00 KL |
611 | if (TTY_TERMSCRIPT (tty)) |
612 | fputc (' ', TTY_TERMSCRIPT (tty)); | |
613 | fputc (' ', TTY_OUTPUT (tty)); | |
08a24c47 | 614 | } |
6548cf00 | 615 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
616 | } |
617 | } | |
618 | \f | |
a4decb7f KH |
619 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
620 | store them at DST. Do not write more than DST_LEN bytes. That may | |
621 | require stopping before all SRC_LEN input glyphs have been | |
622 | converted. | |
623 | ||
624 | We store the number of glyphs actually converted in *CONSUMED. The | |
625 | return value is the number of bytes store in DST. */ | |
626 | ||
627 | int | |
628 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 629 | struct glyph *src; |
a4decb7f KH |
630 | int src_len; |
631 | unsigned char *dst; | |
632 | int dst_len, *consumed; | |
633 | { | |
a168702a | 634 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 635 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 636 | register GLYPH g; |
405ea71c KR |
637 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH]; |
638 | const unsigned char *buf; | |
6589fd67 | 639 | int len; |
a4decb7f KH |
640 | register int tlen = GLYPH_TABLE_LENGTH; |
641 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 642 | int result; |
6589fd67 KH |
643 | struct coding_system *coding; |
644 | ||
1ac0700a KH |
645 | /* If terminal_coding does any conversion, use it, otherwise use |
646 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
647 | because it always return 1 if the member src_multibyte is 1. */ | |
648 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
649 | ? &terminal_coding |
650 | : &safe_terminal_coding); | |
a4decb7f KH |
651 | |
652 | while (src < src_end) | |
653 | { | |
a4decb7f | 654 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 655 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 656 | { |
32de38e4 KH |
657 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
658 | ||
659 | if (g < 0 || g >= tlen) | |
085d5908 | 660 | { |
32de38e4 KH |
661 | /* This glyph doesn't has an entry in Vglyph_table. */ |
662 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
663 | { | |
664 | len = 1; | |
665 | buf = " "; | |
f2ba40be | 666 | coding->src_multibyte = 0; |
32de38e4 KH |
667 | } |
668 | else | |
669 | { | |
670 | len = CHAR_STRING (src->u.ch, workbuf); | |
671 | buf = workbuf; | |
f2ba40be | 672 | coding->src_multibyte = 1; |
32de38e4 | 673 | } |
085d5908 | 674 | } |
32de38e4 | 675 | else |
a4decb7f | 676 | { |
32de38e4 | 677 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
678 | so process any alias before testing for simpleness. */ |
679 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
680 | |
681 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
682 | { | |
c989b7be KH |
683 | /* We set the multi-byte form of a character in G |
684 | (that should be an ASCII character) at | |
685 | WORKBUF. */ | |
686 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
687 | len = 1; | |
32de38e4 | 688 | buf = workbuf; |
f2ba40be | 689 | coding->src_multibyte = 0; |
32de38e4 KH |
690 | } |
691 | else | |
692 | { | |
693 | /* We have a string in Vglyph_table. */ | |
694 | len = GLYPH_LENGTH (tbase, g); | |
695 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 696 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 697 | } |
171d7f24 | 698 | } |
177c0ea7 | 699 | |
f3ac545f | 700 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 701 | len -= coding->consumed; |
6589fd67 | 702 | dst += coding->produced; |
f3ac545f KH |
703 | if (result == CODING_FINISH_INSUFFICIENT_DST |
704 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
705 | && len > dst_end - dst)) | |
706 | /* The remaining output buffer is too short. We must | |
707 | break the loop here without increasing SRC so that the | |
708 | next call of this function starts from the same glyph. */ | |
709 | break; | |
710 | ||
c42869c4 KH |
711 | if (len > 0) |
712 | { | |
f3ac545f KH |
713 | /* This is the case that a code of the range 0200..0237 |
714 | exists in buf. We must just write out such a code. */ | |
715 | buf += coding->consumed; | |
716 | while (len--) | |
717 | *dst++ = *buf++; | |
c42869c4 | 718 | } |
a4decb7f KH |
719 | } |
720 | src++; | |
721 | } | |
177c0ea7 | 722 | |
a4decb7f KH |
723 | *consumed = src - src_start; |
724 | return (dst - dst_start); | |
725 | } | |
726 | ||
08a24c47 | 727 | |
dfcf069d | 728 | void |
08a24c47 | 729 | write_glyphs (string, len) |
a168702a | 730 | register struct glyph *string; |
08a24c47 | 731 | register int len; |
3224dac1 KL |
732 | { |
733 | struct frame *f = (updating_frame | |
734 | ? updating_frame | |
735 | : XFRAME (selected_frame)); | |
736 | ||
737 | if (FRAME_DISPLAY (f)->write_glyphs_hook) | |
738 | (*FRAME_DISPLAY (f)->write_glyphs_hook) (string, len); | |
739 | } | |
740 | ||
741 | void | |
742 | tty_write_glyphs (struct glyph *string, int len) | |
08a24c47 | 743 | { |
a4decb7f | 744 | int produced, consumed; |
d2fdb076 KH |
745 | unsigned char conversion_buffer[1024]; |
746 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 | 747 | |
3224dac1 KL |
748 | struct frame *f = (updating_frame |
749 | ? updating_frame | |
750 | : XFRAME (selected_frame)); | |
08a24c47 | 751 | |
3224dac1 | 752 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 753 | |
fca177d4 KL |
754 | turn_off_insert (tty); |
755 | tty_hide_cursor (tty); | |
08a24c47 | 756 | |
a168702a | 757 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 758 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 759 | |
6548cf00 KL |
760 | if (AutoWrap (tty) |
761 | && curY (tty) + 1 == FRAME_LINES (f) | |
762 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 763 | len --; |
a4decb7f KH |
764 | if (len <= 0) |
765 | return; | |
08a24c47 | 766 | |
6548cf00 | 767 | cmplus (tty, len); |
177c0ea7 | 768 | |
6589fd67 KH |
769 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
770 | the tail. */ | |
771 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
177c0ea7 | 772 | |
a4decb7f | 773 | while (len > 0) |
08a24c47 | 774 | { |
a168702a | 775 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 776 | int face_id = string->face_id; |
a168702a | 777 | int n; |
177c0ea7 | 778 | |
a168702a | 779 | for (n = 1; n < len; ++n) |
32de38e4 | 780 | if (string[n].face_id != face_id) |
a168702a GM |
781 | break; |
782 | ||
783 | /* Turn appearance modes of the face of the run on. */ | |
fca177d4 | 784 | highlight_if_desired (tty); |
a168702a GM |
785 | turn_on_face (f, face_id); |
786 | ||
787 | while (n > 0) | |
08a24c47 | 788 | { |
d2fdb076 KH |
789 | /* We use a fixed size (1024 bytes) of conversion buffer. |
790 | Usually it is sufficient, but if not, we just repeat the | |
791 | loop. */ | |
a168702a GM |
792 | produced = encode_terminal_code (string, conversion_buffer, |
793 | n, conversion_buffer_size, | |
794 | &consumed); | |
795 | if (produced > 0) | |
796 | { | |
28d440ab | 797 | fwrite (conversion_buffer, 1, produced, |
6548cf00 KL |
798 | TTY_OUTPUT (tty)); |
799 | if (ferror (TTY_OUTPUT (tty))) | |
800 | clearerr (TTY_OUTPUT (tty)); | |
801 | if (TTY_TERMSCRIPT (tty)) | |
28d440ab | 802 | fwrite (conversion_buffer, 1, produced, |
6548cf00 | 803 | TTY_TERMSCRIPT (tty)); |
a168702a GM |
804 | } |
805 | len -= consumed; | |
806 | n -= consumed; | |
807 | string += consumed; | |
08a24c47 | 808 | } |
a168702a GM |
809 | |
810 | /* Turn appearance modes off. */ | |
811 | turn_off_face (f, face_id); | |
fca177d4 | 812 | turn_off_highlight (tty); |
a4decb7f | 813 | } |
177c0ea7 | 814 | |
a4decb7f | 815 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 816 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 817 | { |
6589fd67 | 818 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 819 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
820 | 0, conversion_buffer_size); |
821 | if (terminal_coding.produced > 0) | |
df8bf431 | 822 | { |
28d440ab | 823 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
6548cf00 KL |
824 | TTY_OUTPUT (tty)); |
825 | if (ferror (TTY_OUTPUT (tty))) | |
826 | clearerr (TTY_OUTPUT (tty)); | |
827 | if (TTY_TERMSCRIPT (tty)) | |
6589fd67 | 828 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
6548cf00 | 829 | TTY_TERMSCRIPT (tty)); |
df8bf431 | 830 | } |
08a24c47 | 831 | } |
177c0ea7 | 832 | |
6548cf00 | 833 | cmcheckmagic (tty); |
08a24c47 JB |
834 | } |
835 | ||
836 | /* If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 837 | |
dfcf069d | 838 | void |
08a24c47 | 839 | insert_glyphs (start, len) |
a168702a | 840 | register struct glyph *start; |
08a24c47 JB |
841 | register int len; |
842 | { | |
3224dac1 KL |
843 | struct frame *f = (updating_frame |
844 | ? updating_frame | |
845 | : XFRAME (selected_frame)); | |
daf01701 | 846 | |
a4decb7f KH |
847 | if (len <= 0) |
848 | return; | |
849 | ||
428a555e | 850 | if (FRAME_DISPLAY (f)->insert_glyphs_hook) |
3224dac1 KL |
851 | (*FRAME_DISPLAY (f)->insert_glyphs_hook) (start, len); |
852 | } | |
a168702a | 853 | |
3224dac1 KL |
854 | void |
855 | tty_insert_glyphs (struct glyph *start, int len) | |
856 | { | |
857 | char *buf; | |
858 | struct glyph *glyph = NULL; | |
859 | struct frame *f = (updating_frame | |
860 | ? updating_frame | |
861 | : XFRAME (selected_frame)); | |
862 | ||
863 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 864 | |
fca177d4 | 865 | if (tty->TS_ins_multi_chars) |
08a24c47 | 866 | { |
fca177d4 | 867 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 868 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 869 | xfree (buf); |
08a24c47 JB |
870 | if (start) |
871 | write_glyphs (start, len); | |
872 | return; | |
873 | } | |
874 | ||
fca177d4 | 875 | turn_on_insert (tty); |
6548cf00 | 876 | cmplus (tty, len); |
6589fd67 KH |
877 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
878 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 879 | while (len-- > 0) |
08a24c47 | 880 | { |
a4decb7f | 881 | int produced, consumed; |
d2fdb076 KH |
882 | unsigned char conversion_buffer[1024]; |
883 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 884 | |
fca177d4 | 885 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 886 | if (!start) |
32de38e4 KH |
887 | { |
888 | conversion_buffer[0] = SPACEGLYPH; | |
889 | produced = 1; | |
890 | } | |
08a24c47 | 891 | else |
08a24c47 | 892 | { |
fca177d4 | 893 | highlight_if_desired (tty); |
32de38e4 | 894 | turn_on_face (f, start->face_id); |
816be8b8 | 895 | glyph = start; |
a168702a | 896 | ++start; |
a4decb7f KH |
897 | /* We must open sufficient space for a character which |
898 | occupies more than one column. */ | |
a168702a | 899 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 900 | { |
fca177d4 | 901 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
902 | start++, len--; |
903 | } | |
a4decb7f | 904 | |
32de38e4 KH |
905 | if (len <= 0) |
906 | /* This is the last glyph. */ | |
907 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
908 | ||
d2fdb076 KH |
909 | /* The size of conversion buffer (1024 bytes) is surely |
910 | sufficient for just one glyph. */ | |
816be8b8 | 911 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
912 | conversion_buffer_size, &consumed); |
913 | } | |
a4decb7f | 914 | |
a4decb7f | 915 | if (produced > 0) |
08a24c47 | 916 | { |
28d440ab | 917 | fwrite (conversion_buffer, 1, produced, |
6548cf00 KL |
918 | TTY_OUTPUT (tty)); |
919 | if (ferror (TTY_OUTPUT (tty))) | |
920 | clearerr (TTY_OUTPUT (tty)); | |
921 | if (TTY_TERMSCRIPT (tty)) | |
28d440ab | 922 | fwrite (conversion_buffer, 1, produced, |
6548cf00 | 923 | TTY_TERMSCRIPT (tty)); |
08a24c47 JB |
924 | } |
925 | ||
fca177d4 | 926 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 927 | if (start) |
65aa5e85 GM |
928 | { |
929 | turn_off_face (f, glyph->face_id); | |
fca177d4 | 930 | turn_off_highlight (tty); |
65aa5e85 | 931 | } |
9a6b6f92 | 932 | } |
177c0ea7 | 933 | |
6548cf00 | 934 | cmcheckmagic (tty); |
08a24c47 JB |
935 | } |
936 | ||
dfcf069d | 937 | void |
08a24c47 JB |
938 | delete_glyphs (n) |
939 | register int n; | |
940 | { | |
3224dac1 KL |
941 | struct frame *f = (updating_frame |
942 | ? updating_frame | |
943 | : XFRAME (selected_frame)); | |
08a24c47 | 944 | |
428a555e | 945 | if (FRAME_DISPLAY (f)->delete_glyphs_hook) |
3224dac1 KL |
946 | (*FRAME_DISPLAY (f)->delete_glyphs_hook) (n); |
947 | } | |
08a24c47 | 948 | |
3224dac1 KL |
949 | void |
950 | tty_delete_glyphs (int n) | |
951 | { | |
952 | char *buf; | |
953 | register int i; | |
954 | struct frame *f = (updating_frame | |
955 | ? updating_frame | |
956 | : XFRAME (selected_frame)); | |
957 | ||
958 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 959 | |
fca177d4 | 960 | if (tty->delete_in_insert_mode) |
08a24c47 | 961 | { |
fca177d4 | 962 | turn_on_insert (tty); |
08a24c47 JB |
963 | } |
964 | else | |
965 | { | |
fca177d4 KL |
966 | turn_off_insert (tty); |
967 | OUTPUT_IF (tty, tty->TS_delete_mode); | |
08a24c47 | 968 | } |
daf01701 | 969 | |
fca177d4 | 970 | if (tty->TS_del_multi_chars) |
08a24c47 | 971 | { |
fca177d4 | 972 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 973 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 974 | xfree (buf); |
08a24c47 JB |
975 | } |
976 | else | |
977 | for (i = 0; i < n; i++) | |
fca177d4 KL |
978 | OUTPUT1 (tty, tty->TS_del_char); |
979 | if (!tty->delete_in_insert_mode) | |
980 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
981 | } |
982 | \f | |
983 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
984 | ||
dfcf069d | 985 | void |
08a24c47 JB |
986 | ins_del_lines (vpos, n) |
987 | int vpos, n; | |
988 | { | |
3224dac1 KL |
989 | struct frame *f = (updating_frame |
990 | ? updating_frame | |
991 | : XFRAME (selected_frame)); | |
992 | ||
428a555e | 993 | if (FRAME_DISPLAY (f)->ins_del_lines_hook) |
3224dac1 KL |
994 | (*FRAME_DISPLAY (f)->ins_del_lines_hook) (vpos, n); |
995 | } | |
996 | ||
997 | void | |
998 | tty_ins_del_lines (int vpos, int n) | |
999 | { | |
1000 | struct frame *f = (updating_frame | |
1001 | ? updating_frame | |
1002 | : XFRAME (selected_frame)); | |
1003 | ||
1004 | struct tty_display_info *tty = FRAME_TTY (f); | |
1005 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1006 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1007 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
1008 | ||
1009 | register int i = n > 0 ? n : -n; | |
1010 | register char *buf; | |
1011 | ||
1012 | /* If the lines below the insertion are being pushed | |
1013 | into the end of the window, this is the same as clearing; | |
1014 | and we know the lines are already clear, since the matching | |
1015 | deletion has already been done. So can ignore this. */ | |
1016 | /* If the lines below the deletion are blank lines coming | |
1017 | out of the end of the window, don't bother, | |
1018 | as there will be a matching inslines later that will flush them. */ | |
1019 | if (FRAME_SCROLL_REGION_OK (f) | |
1020 | && vpos + i >= tty->specified_window) | |
1021 | return; | |
1022 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
1023 | && vpos + i >= FRAME_LINES (f)) | |
1024 | return; | |
1025 | ||
1026 | if (multi) | |
08a24c47 | 1027 | { |
3224dac1 KL |
1028 | raw_cursor_to (vpos, 0); |
1029 | background_highlight (tty); | |
1030 | buf = tparam (multi, 0, 0, i); | |
1031 | OUTPUT (tty, buf); | |
1032 | xfree (buf); | |
1033 | } | |
1034 | else if (single) | |
1035 | { | |
1036 | raw_cursor_to (vpos, 0); | |
1037 | background_highlight (tty); | |
1038 | while (--i >= 0) | |
1039 | OUTPUT (tty, single); | |
1040 | if (tty->TF_teleray) | |
1041 | curX (tty) = 0; | |
08a24c47 | 1042 | } |
08a24c47 JB |
1043 | else |
1044 | { | |
3224dac1 KL |
1045 | set_scroll_region (vpos, tty->specified_window); |
1046 | if (n < 0) | |
1047 | raw_cursor_to (tty->specified_window - 1, 0); | |
08a24c47 | 1048 | else |
3224dac1 KL |
1049 | raw_cursor_to (vpos, 0); |
1050 | background_highlight (tty); | |
1051 | while (--i >= 0) | |
1052 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
1053 | set_scroll_region (0, tty->specified_window); | |
1054 | } | |
1055 | ||
1056 | if (!FRAME_SCROLL_REGION_OK (f) | |
1057 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1058 | && n < 0) | |
1059 | { | |
1060 | cursor_to (FRAME_LINES (f) + n, 0); | |
1061 | clear_to_end (); | |
08a24c47 JB |
1062 | } |
1063 | } | |
1064 | \f | |
1065 | /* Compute cost of sending "str", in characters, | |
1066 | not counting any line-dependent padding. */ | |
1067 | ||
1068 | int | |
1069 | string_cost (str) | |
1070 | char *str; | |
1071 | { | |
1072 | cost = 0; | |
1073 | if (str) | |
1074 | tputs (str, 0, evalcost); | |
1075 | return cost; | |
1076 | } | |
1077 | ||
1078 | /* Compute cost of sending "str", in characters, | |
1079 | counting any line-dependent padding at one line. */ | |
1080 | ||
1081 | static int | |
1082 | string_cost_one_line (str) | |
1083 | char *str; | |
1084 | { | |
1085 | cost = 0; | |
1086 | if (str) | |
1087 | tputs (str, 1, evalcost); | |
1088 | return cost; | |
1089 | } | |
1090 | ||
1091 | /* Compute per line amount of line-dependent padding, | |
1092 | in tenths of characters. */ | |
1093 | ||
1094 | int | |
1095 | per_line_cost (str) | |
1096 | register char *str; | |
1097 | { | |
1098 | cost = 0; | |
1099 | if (str) | |
1100 | tputs (str, 0, evalcost); | |
1101 | cost = - cost; | |
1102 | if (str) | |
1103 | tputs (str, 10, evalcost); | |
1104 | return cost; | |
1105 | } | |
1106 | ||
1107 | #ifndef old | |
1108 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1109 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1110 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1111 | |
1112 | int *char_ins_del_vector; | |
1113 | ||
9882535b | 1114 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1115 | #endif |
1116 | ||
1117 | /* ARGSUSED */ | |
1118 | static void | |
fca177d4 KL |
1119 | calculate_ins_del_char_costs (f) |
1120 | FRAME_PTR f; | |
08a24c47 | 1121 | { |
28d7d09f | 1122 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1123 | int ins_startup_cost, del_startup_cost; |
1124 | int ins_cost_per_char, del_cost_per_char; | |
1125 | register int i; | |
1126 | register int *p; | |
1127 | ||
fca177d4 | 1128 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1129 | { |
1130 | ins_cost_per_char = 0; | |
fca177d4 | 1131 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1132 | } |
fca177d4 KL |
1133 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1134 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1135 | { |
fca177d4 KL |
1136 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1137 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1138 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1139 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1140 | } |
1141 | else | |
1142 | { | |
1143 | ins_startup_cost = 9999; | |
1144 | ins_cost_per_char = 0; | |
1145 | } | |
1146 | ||
fca177d4 | 1147 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1148 | { |
1149 | del_cost_per_char = 0; | |
fca177d4 | 1150 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1151 | } |
fca177d4 | 1152 | else if (tty->TS_del_char) |
08a24c47 | 1153 | { |
fca177d4 KL |
1154 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1155 | + string_cost (tty->TS_end_delete_mode)); | |
1156 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1157 | del_startup_cost /= 2; |
fca177d4 | 1158 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1159 | } |
1160 | else | |
1161 | { | |
1162 | del_startup_cost = 9999; | |
1163 | del_cost_per_char = 0; | |
1164 | } | |
1165 | ||
1166 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1167 | p = &char_ins_del_cost (f)[0]; |
1168 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1169 | *--p = (del_startup_cost += del_cost_per_char); |
1170 | ||
1171 | /* Doing nothing is free */ | |
fca177d4 | 1172 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1173 | *p++ = 0; |
1174 | ||
1175 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1176 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1177 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1178 | } | |
1179 | ||
dfcf069d | 1180 | void |
ff11dfa1 JB |
1181 | calculate_costs (frame) |
1182 | FRAME_PTR frame; | |
08a24c47 | 1183 | { |
9f732a77 | 1184 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1185 | |
28d440ab | 1186 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1187 | { |
1188 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1189 | register char *f = (tty->TS_set_scroll_region | |
1190 | ? tty->TS_set_scroll_region | |
1191 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1192 | |
daf01701 | 1193 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1194 | |
daf01701 | 1195 | tty->costs_set = 1; |
08a24c47 | 1196 | |
daf01701 KL |
1197 | /* These variables are only used for terminal stuff. They are |
1198 | allocated once for the terminal frame of X-windows emacs, but not | |
1199 | used afterwards. | |
8dd0c7cb | 1200 | |
daf01701 KL |
1201 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1202 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1203 | |
daf01701 KL |
1204 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1205 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1206 | |
daf01701 KL |
1207 | if (char_ins_del_vector != 0) |
1208 | char_ins_del_vector | |
1209 | = (int *) xrealloc (char_ins_del_vector, | |
1210 | (sizeof (int) | |
1211 | + 2 * max_frame_cols * sizeof (int))); | |
1212 | else | |
1213 | char_ins_del_vector | |
1214 | = (int *) xmalloc (sizeof (int) | |
1215 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1216 | |
daf01701 KL |
1217 | bzero (char_ins_del_vector, (sizeof (int) |
1218 | + 2 * max_frame_cols * sizeof (int))); | |
1219 | ||
1220 | ||
1221 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1222 | do_line_insertion_deletion_costs (frame, | |
1223 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1224 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1225 | f, f, 1); | |
1226 | else | |
1227 | do_line_insertion_deletion_costs (frame, | |
1228 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1229 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1230 | 0, 0, 1); | |
1231 | ||
1232 | calculate_ins_del_char_costs (frame); | |
1233 | ||
1234 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1235 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1236 | tty->RPov = string_cost (tty->TS_repeat); | |
1237 | else | |
1238 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1239 | |
daf01701 KL |
1240 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1241 | } | |
08a24c47 JB |
1242 | } |
1243 | \f | |
a796ac82 JB |
1244 | struct fkey_table { |
1245 | char *cap, *name; | |
1246 | }; | |
1247 | ||
01d8deb0 ER |
1248 | /* Termcap capability names that correspond directly to X keysyms. |
1249 | Some of these (marked "terminfo") aren't supplied by old-style | |
1250 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1251 | except we put the keypad keys first, so that if they clash with | |
1252 | other keys (as on the IBM PC keyboard) they get overridden. | |
1253 | */ | |
1254 | ||
a168702a GM |
1255 | static struct fkey_table keys[] = |
1256 | { | |
8103ad1a PJ |
1257 | {"kh", "home"}, /* termcap */ |
1258 | {"kl", "left"}, /* termcap */ | |
1259 | {"ku", "up"}, /* termcap */ | |
1260 | {"kr", "right"}, /* termcap */ | |
1261 | {"kd", "down"}, /* termcap */ | |
1262 | {"%8", "prior"}, /* terminfo */ | |
1263 | {"%5", "next"}, /* terminfo */ | |
1264 | {"@7", "end"}, /* terminfo */ | |
1265 | {"@1", "begin"}, /* terminfo */ | |
1266 | {"*6", "select"}, /* terminfo */ | |
1267 | {"%9", "print"}, /* terminfo */ | |
1268 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1269 | /* |
1270 | * "insert" --- see below | |
1271 | */ | |
8103ad1a PJ |
1272 | {"&8", "undo"}, /* terminfo */ |
1273 | {"%0", "redo"}, /* terminfo */ | |
1274 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1275 | {"@0", "find"}, /* terminfo */ | |
1276 | {"@2", "cancel"}, /* terminfo */ | |
1277 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1278 | /* |
1279 | * "break" goes here, but can't be reliably intercepted with termcap | |
1280 | */ | |
8103ad1a | 1281 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1282 | /* |
1283 | * "system" and "user" --- no termcaps | |
1284 | */ | |
8103ad1a PJ |
1285 | {"kE", "clearline"}, /* terminfo */ |
1286 | {"kA", "insertline"}, /* terminfo */ | |
1287 | {"kL", "deleteline"}, /* terminfo */ | |
1288 | {"kI", "insertchar"}, /* terminfo */ | |
1289 | {"kD", "deletechar"}, /* terminfo */ | |
1290 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1291 | /* |
1292 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1293 | */ | |
8103ad1a | 1294 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1295 | /* |
1296 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1297 | * "kp-multiply", "kp-add", "kp-separator", | |
1298 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1299 | * --- no termcaps for any of these. | |
1300 | */ | |
8103ad1a | 1301 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1302 | /* |
1303 | * "kp-2" --- no termcap | |
1304 | */ | |
8103ad1a | 1305 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1306 | /* |
1307 | * "kp-4" --- no termcap | |
1308 | */ | |
8103ad1a | 1309 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1310 | /* |
1311 | * "kp-6" --- no termcap | |
1312 | */ | |
8103ad1a | 1313 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1314 | /* |
1315 | * "kp-8" --- no termcap | |
1316 | */ | |
8103ad1a | 1317 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1318 | /* |
1319 | * "kp-equal" --- no termcap | |
1320 | */ | |
8103ad1a PJ |
1321 | {"k1", "f1"}, |
1322 | {"k2", "f2"}, | |
1323 | {"k3", "f3"}, | |
1324 | {"k4", "f4"}, | |
1325 | {"k5", "f5"}, | |
1326 | {"k6", "f6"}, | |
1327 | {"k7", "f7"}, | |
1328 | {"k8", "f8"}, | |
1329 | {"k9", "f9"} | |
a796ac82 JB |
1330 | }; |
1331 | ||
f2a00342 RM |
1332 | static char **term_get_fkeys_arg; |
1333 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1334 | |
01d8deb0 | 1335 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1336 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1337 | adds entries to Vfunction_key_map for each function key it finds. */ |
1338 | ||
5c2c7893 JB |
1339 | void |
1340 | term_get_fkeys (address) | |
1341 | char **address; | |
f2a00342 RM |
1342 | { |
1343 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1344 | errors during the call. The only errors should be from Fdefine_key | |
1345 | when given a key sequence containing an invalid prefix key. If the | |
1346 | termcap defines function keys which use a prefix that is already bound | |
1347 | to a command by the default bindings, we should silently ignore that | |
1348 | function key specification, rather than giving the user an error and | |
1349 | refusing to run at all on such a terminal. */ | |
1350 | ||
1351 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1352 | term_get_fkeys_arg = address; |
1353 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1354 | } | |
1355 | ||
1356 | static Lisp_Object | |
1357 | term_get_fkeys_1 () | |
5c2c7893 | 1358 | { |
5c2c7893 JB |
1359 | int i; |
1360 | ||
37085233 | 1361 | char **address = term_get_fkeys_arg; |
f778aff2 | 1362 | |
3e65092f RS |
1363 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1364 | if (!initialized) | |
1365 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1366 | ||
5c2c7893 JB |
1367 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1368 | { | |
1369 | char *sequence = tgetstr (keys[i].cap, address); | |
1370 | if (sequence) | |
f2a00342 RM |
1371 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1372 | Fmake_vector (make_number (1), | |
1373 | intern (keys[i].name))); | |
5c2c7893 | 1374 | } |
a796ac82 JB |
1375 | |
1376 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1377 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1378 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1379 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1380 | */ | |
1381 | { | |
1382 | char *k_semi = tgetstr ("k;", address); | |
1383 | char *k0 = tgetstr ("k0", address); | |
1384 | char *k0_name = "f10"; | |
1385 | ||
1386 | if (k_semi) | |
1387 | { | |
95c11956 SM |
1388 | if (k0) |
1389 | /* Define f0 first, so that f10 takes precedence in case the | |
1390 | key sequences happens to be the same. */ | |
1391 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1392 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1393 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1394 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1395 | } |
95c11956 | 1396 | else if (k0) |
f2a00342 RM |
1397 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1398 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1399 | } |
01d8deb0 ER |
1400 | |
1401 | /* Set up cookies for numbered function keys above f10. */ | |
1402 | { | |
1403 | char fcap[3], fkey[4]; | |
1404 | ||
fc4f24da | 1405 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1406 | for (i = 11; i < 64; i++) |
1407 | { | |
1408 | if (i <= 19) | |
1409 | fcap[1] = '1' + i - 11; | |
1410 | else if (i <= 45) | |
b59ab95c | 1411 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1412 | else |
b59ab95c | 1413 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1414 | |
fc4f24da RS |
1415 | { |
1416 | char *sequence = tgetstr (fcap, address); | |
1417 | if (sequence) | |
1418 | { | |
465db27b | 1419 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1420 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1421 | Fmake_vector (make_number (1), | |
1422 | intern (fkey))); | |
fc4f24da RS |
1423 | } |
1424 | } | |
01d8deb0 ER |
1425 | } |
1426 | } | |
1427 | ||
1428 | /* | |
1429 | * Various mappings to try and get a better fit. | |
1430 | */ | |
1431 | { | |
fc4f24da RS |
1432 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1433 | if (!tgetstr (cap1, address)) \ | |
1434 | { \ | |
1435 | char *sequence = tgetstr (cap2, address); \ | |
1436 | if (sequence) \ | |
f2a00342 RM |
1437 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1438 | Fmake_vector (make_number (1), \ | |
1439 | intern (sym))); \ | |
fc4f24da | 1440 | } |
177c0ea7 | 1441 | |
01d8deb0 | 1442 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1443 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1444 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1445 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1446 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1447 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1448 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1449 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1450 | |
1451 | /* IBM has their own non-standard dialect of terminfo. | |
1452 | If the standard name isn't found, try the IBM name. */ | |
1453 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1454 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1455 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1456 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1457 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1458 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1459 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1460 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1461 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1462 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1463 | } |
a168702a GM |
1464 | |
1465 | return Qnil; | |
5c2c7893 JB |
1466 | } |
1467 | ||
1468 | \f | |
a168702a GM |
1469 | /*********************************************************************** |
1470 | Character Display Information | |
1471 | ***********************************************************************/ | |
1472 | ||
1473 | static void append_glyph P_ ((struct it *)); | |
1474 | ||
1475 | ||
1476 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1477 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1478 | for which to produce glyphs; IT->face_id contains the character's | |
1479 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1480 | 1. */ | |
177c0ea7 | 1481 | |
a168702a GM |
1482 | static void |
1483 | append_glyph (it) | |
1484 | struct it *it; | |
1485 | { | |
1486 | struct glyph *glyph, *end; | |
1487 | int i; | |
1488 | ||
1489 | xassert (it->glyph_row); | |
1490 | glyph = (it->glyph_row->glyphs[it->area] | |
1491 | + it->glyph_row->used[it->area]); | |
1492 | end = it->glyph_row->glyphs[1 + it->area]; | |
1493 | ||
177c0ea7 JB |
1494 | for (i = 0; |
1495 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1496 | ++i) |
1497 | { | |
1498 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1499 | glyph->pixel_width = 1; |
32de38e4 KH |
1500 | glyph->u.ch = it->c; |
1501 | glyph->face_id = it->face_id; | |
1502 | glyph->padding_p = i > 0; | |
a168702a GM |
1503 | glyph->charpos = CHARPOS (it->position); |
1504 | glyph->object = it->object; | |
177c0ea7 | 1505 | |
a168702a GM |
1506 | ++it->glyph_row->used[it->area]; |
1507 | ++glyph; | |
1508 | } | |
1509 | } | |
1510 | ||
1511 | ||
b50fe468 RS |
1512 | /* Produce glyphs for the display element described by IT. *IT |
1513 | specifies what we want to produce a glyph for (character, image, ...), | |
1514 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1515 | produce_glyphs fills in output fields of *IT with information such as the | |
1516 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1517 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1518 | struct display_iterator in dispextern.h for an overview. |
1519 | ||
1520 | produce_glyphs also stores the result of glyph width, ascent | |
1521 | etc. computations in *IT. | |
1522 | ||
1523 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1524 | actually fill in the glyphs. This is used in the move_* functions | |
1525 | in xdisp.c for text width and height computations. | |
1526 | ||
1527 | Callers usually don't call produce_glyphs directly; | |
1528 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1529 | |
177c0ea7 | 1530 | void |
a168702a GM |
1531 | produce_glyphs (it) |
1532 | struct it *it; | |
1533 | { | |
1534 | /* If a hook is installed, let it do the work. */ | |
1535 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1536 | || it->what == IT_COMPOSITION |
a168702a GM |
1537 | || it->what == IT_IMAGE |
1538 | || it->what == IT_STRETCH); | |
177c0ea7 | 1539 | |
c7cba11d KH |
1540 | /* Nothing but characters are supported on terminal frames. For a |
1541 | composition sequence, it->c is the first character of the | |
1542 | sequence. */ | |
1543 | xassert (it->what == IT_CHARACTER | |
1544 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1545 | |
1546 | if (it->c >= 040 && it->c < 0177) | |
1547 | { | |
1548 | it->pixel_width = it->nglyphs = 1; | |
1549 | if (it->glyph_row) | |
1550 | append_glyph (it); | |
1551 | } | |
1552 | else if (it->c == '\n') | |
1553 | it->pixel_width = it->nglyphs = 0; | |
1554 | else if (it->c == '\t') | |
1555 | { | |
2efdbcdd | 1556 | int absolute_x = (it->current_x |
a168702a | 1557 | + it->continuation_lines_width); |
177c0ea7 JB |
1558 | int next_tab_x |
1559 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1560 | / it->tab_width) |
1561 | * it->tab_width); | |
1562 | int nspaces; | |
1563 | ||
1564 | /* If part of the TAB has been displayed on the previous line | |
1565 | which is continued now, continuation_lines_width will have | |
1566 | been incremented already by the part that fitted on the | |
1567 | continued line. So, we will get the right number of spaces | |
1568 | here. */ | |
1569 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1570 | |
a168702a GM |
1571 | if (it->glyph_row) |
1572 | { | |
1573 | int n = nspaces; | |
177c0ea7 | 1574 | |
a168702a GM |
1575 | it->c = ' '; |
1576 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1577 | |
a168702a GM |
1578 | while (n--) |
1579 | append_glyph (it); | |
177c0ea7 | 1580 | |
a168702a GM |
1581 | it->c = '\t'; |
1582 | } | |
1583 | ||
1584 | it->pixel_width = nspaces; | |
1585 | it->nglyphs = nspaces; | |
1586 | } | |
add44890 EZ |
1587 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1588 | { | |
cf872af5 | 1589 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1590 | must send the code as is to the terminal. Although there's |
1591 | no way to know how many columns it occupies on a screen, it | |
1592 | is a good assumption that a single byte code has 1-column | |
1593 | width. */ | |
1594 | it->pixel_width = it->nglyphs = 1; | |
1595 | if (it->glyph_row) | |
1596 | append_glyph (it); | |
1597 | } | |
a168702a GM |
1598 | else |
1599 | { | |
c7cba11d KH |
1600 | /* A multi-byte character. The display width is fixed for all |
1601 | characters of the set. Some of the glyphs may have to be | |
1602 | ignored because they are already displayed in a continued | |
1603 | line. */ | |
a168702a GM |
1604 | int charset = CHAR_CHARSET (it->c); |
1605 | ||
c7cba11d | 1606 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1607 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1608 | |
a168702a GM |
1609 | if (it->glyph_row) |
1610 | append_glyph (it); | |
1611 | } | |
1612 | ||
177c0ea7 | 1613 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1614 | the caller. */ |
1615 | if (it->area == TEXT_AREA) | |
1616 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1617 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1618 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1619 | } |
1620 | ||
1621 | ||
1622 | /* Get information about special display element WHAT in an | |
1623 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1624 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1625 | non-null glyph_row member. This function ensures that fields like | |
1626 | face_id, c, len of IT are left untouched. */ | |
1627 | ||
1628 | void | |
1629 | produce_special_glyphs (it, what) | |
1630 | struct it *it; | |
1631 | enum display_element_type what; | |
1632 | { | |
1633 | struct it temp_it; | |
177c0ea7 | 1634 | |
a168702a GM |
1635 | temp_it = *it; |
1636 | temp_it.dp = NULL; | |
1637 | temp_it.what = IT_CHARACTER; | |
1638 | temp_it.len = 1; | |
7c752c80 | 1639 | temp_it.object = make_number (0); |
a168702a GM |
1640 | bzero (&temp_it.current, sizeof temp_it.current); |
1641 | ||
1642 | if (what == IT_CONTINUATION) | |
1643 | { | |
1644 | /* Continuation glyph. */ | |
1645 | if (it->dp | |
1646 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1647 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1648 | { | |
1649 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1650 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1651 | } |
1652 | else | |
1653 | temp_it.c = '\\'; | |
177c0ea7 | 1654 | |
a168702a GM |
1655 | produce_glyphs (&temp_it); |
1656 | it->pixel_width = temp_it.pixel_width; | |
1657 | it->nglyphs = temp_it.pixel_width; | |
1658 | } | |
1659 | else if (what == IT_TRUNCATION) | |
1660 | { | |
1661 | /* Truncation glyph. */ | |
1662 | if (it->dp | |
1663 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1664 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1665 | { | |
1666 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1667 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1668 | } |
1669 | else | |
1670 | temp_it.c = '$'; | |
177c0ea7 | 1671 | |
a168702a GM |
1672 | produce_glyphs (&temp_it); |
1673 | it->pixel_width = temp_it.pixel_width; | |
1674 | it->nglyphs = temp_it.pixel_width; | |
1675 | } | |
1676 | else | |
1677 | abort (); | |
1678 | } | |
1679 | ||
1680 | ||
a168702a GM |
1681 | \f |
1682 | /*********************************************************************** | |
1683 | Faces | |
1684 | ***********************************************************************/ | |
1685 | ||
4e6ba4a4 GM |
1686 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1687 | one of the enumerators from enum no_color_bit, or a bit set built | |
1688 | from them. Some display attributes may not be used together with | |
1689 | color; the termcap capability `NC' specifies which ones. */ | |
1690 | ||
fca177d4 KL |
1691 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1692 | (tty->TN_max_colors > 0 \ | |
1693 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1694 | : 1) | |
a168702a GM |
1695 | |
1696 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1697 | ||
1698 | static void | |
1699 | turn_on_face (f, face_id) | |
1700 | struct frame *f; | |
1701 | int face_id; | |
1702 | { | |
1703 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1704 | long fg = face->foreground; |
1705 | long bg = face->background; | |
28d7d09f | 1706 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1707 | |
86a7d192 GM |
1708 | /* Do this first because TS_end_standout_mode may be the same |
1709 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1710 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1711 | { |
fca177d4 | 1712 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1713 | { |
1714 | if (fg >= 0 && bg >= 0) | |
1715 | { | |
1716 | /* If the terminal supports colors, we can set them | |
1717 | below without using reverse video. The face's fg | |
1718 | and bg colors are set as they should appear on | |
1719 | the screen, i.e. they take the inverse-video'ness | |
1720 | of the face already into account. */ | |
1721 | } | |
1722 | else if (inverse_video) | |
1723 | { | |
1724 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1725 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1726 | toggle_highlight (tty); |
86a7d192 GM |
1727 | } |
1728 | else | |
1729 | { | |
1730 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1731 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1732 | toggle_highlight (tty); |
86a7d192 GM |
1733 | } |
1734 | } | |
1735 | else | |
1736 | { | |
1737 | /* If we can't display colors, use reverse video | |
1738 | if the face specifies that. */ | |
37526b42 GM |
1739 | if (inverse_video) |
1740 | { | |
1741 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1742 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1743 | toggle_highlight (tty); |
37526b42 GM |
1744 | } |
1745 | else | |
1746 | { | |
1747 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1748 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1749 | toggle_highlight (tty); |
37526b42 | 1750 | } |
86a7d192 GM |
1751 | } |
1752 | } | |
a168702a GM |
1753 | |
1754 | if (face->tty_bold_p) | |
4e6ba4a4 | 1755 | { |
fca177d4 KL |
1756 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1757 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1758 | } |
a168702a | 1759 | else if (face->tty_dim_p) |
fca177d4 KL |
1760 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1761 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1762 | |
1763 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1764 | if (face->tty_alt_charset_p |
fca177d4 KL |
1765 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1766 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1767 | |
4e6ba4a4 | 1768 | if (face->tty_blinking_p |
fca177d4 KL |
1769 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1770 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1771 | |
fca177d4 KL |
1772 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1773 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1774 | |
fca177d4 | 1775 | if (tty->TN_max_colors > 0) |
a168702a GM |
1776 | { |
1777 | char *p; | |
177c0ea7 | 1778 | |
fca177d4 | 1779 | if (fg >= 0 && tty->TS_set_foreground) |
a168702a | 1780 | { |
fca177d4 | 1781 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) fg); |
6548cf00 | 1782 | OUTPUT (tty, p); |
a168702a GM |
1783 | xfree (p); |
1784 | } | |
1785 | ||
fca177d4 | 1786 | if (bg >= 0 && tty->TS_set_background) |
a168702a | 1787 | { |
fca177d4 | 1788 | p = tparam (tty->TS_set_background, NULL, 0, (int) bg); |
6548cf00 | 1789 | OUTPUT (tty, p); |
a168702a GM |
1790 | xfree (p); |
1791 | } | |
1792 | } | |
1793 | } | |
177c0ea7 | 1794 | |
a168702a GM |
1795 | |
1796 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1797 | ||
1798 | static void | |
1799 | turn_off_face (f, face_id) | |
1800 | struct frame *f; | |
1801 | int face_id; | |
1802 | { | |
1803 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1804 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1805 | |
1806 | xassert (face != NULL); | |
1807 | ||
fca177d4 | 1808 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1809 | { |
1810 | /* Capability "me" will turn off appearance modes double-bright, | |
1811 | half-bright, reverse-video, standout, underline. It may or | |
1812 | may not turn off alt-char-mode. */ | |
1813 | if (face->tty_bold_p | |
1814 | || face->tty_dim_p | |
1815 | || face->tty_reverse_p | |
1816 | || face->tty_alt_charset_p | |
1817 | || face->tty_blinking_p | |
1818 | || face->tty_underline_p) | |
65aa5e85 | 1819 | { |
fca177d4 KL |
1820 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1821 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1822 | tty->standout_mode = 0; | |
65aa5e85 | 1823 | } |
a168702a GM |
1824 | |
1825 | if (face->tty_alt_charset_p) | |
fca177d4 | 1826 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1827 | } |
1828 | else | |
1829 | { | |
1830 | /* If we don't have "me" we can only have those appearances | |
1831 | that have exit sequences defined. */ | |
1832 | if (face->tty_alt_charset_p) | |
fca177d4 | 1833 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1834 | |
54800acb | 1835 | if (face->tty_underline_p) |
fca177d4 | 1836 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1837 | } |
1838 | ||
1839 | /* Switch back to default colors. */ | |
fca177d4 | 1840 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1841 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1842 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1843 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1844 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1845 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1846 | } |
177c0ea7 JB |
1847 | |
1848 | ||
b63a55ac MB |
1849 | /* Return non-zero if the terminal on frame F supports all of the |
1850 | capabilities in CAPS simultaneously, with foreground and background | |
1851 | colors FG and BG. */ | |
1852 | ||
4a8130f2 | 1853 | int |
fca177d4 | 1854 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1855 | struct tty_display_info *tty; |
b63a55ac MB |
1856 | unsigned caps; |
1857 | unsigned long fg, bg; | |
1858 | { | |
fca177d4 KL |
1859 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1860 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1861 | return 0; |
1862 | ||
fca177d4 KL |
1863 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1864 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1865 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1866 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1867 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1868 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1869 | |
1870 | /* We can do it! */ | |
1871 | return 1; | |
1872 | } | |
1873 | ||
3224dac1 KL |
1874 | /* Return the tty display object specified by DISPLAY. |
1875 | DISPLAY may be a frame or a string. */ | |
1876 | ||
1877 | static struct display * | |
1878 | get_tty_display (Lisp_Object display) | |
1879 | { | |
1880 | struct display *d; | |
1881 | ||
1882 | if (! FRAMEP (display) && ! STRINGP (display)) | |
1883 | return 0; | |
1884 | ||
1885 | /* The initial frame does not support colors. */ | |
1886 | if (FRAMEP (display) && FRAME_INITIAL_P (XFRAME (display))) | |
1887 | return 0; | |
1888 | ||
1889 | if (FRAMEP (display)) | |
1890 | { | |
1891 | if (! FRAME_TERMCAP_P (XFRAME (display))) | |
1892 | #if 0 /* XXX We need a predicate as the first argument; find one. */ | |
1893 | wrong_type_argument ("Not a termcap frame", display); | |
1894 | #else /* Until we fix the wrong_type_argument call above, simply throw | |
1895 | a dumb error. */ | |
1896 | error ("DISPLAY is not a termcap frame"); | |
1897 | #endif | |
1898 | ||
1899 | d = FRAME_DISPLAY (XFRAME (display)); | |
1900 | } | |
1901 | else if (STRINGP (display)) | |
1902 | { | |
1903 | char *name = (char *) alloca (SBYTES (display) + 1); | |
1904 | strncpy (name, SDATA (display), SBYTES (display)); | |
1905 | name[SBYTES (display)] = 0; | |
1906 | ||
1907 | d = get_named_tty_display (name); | |
1908 | ||
1909 | if (!d) | |
1910 | error ("There is no tty display on %s", name); | |
1911 | } | |
1912 | ||
1913 | return d; | |
1914 | } | |
1915 | ||
b63a55ac | 1916 | |
a168702a GM |
1917 | /* Return non-zero if the terminal is capable to display colors. */ |
1918 | ||
1919 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1920 | 0, 1, 0, |
99fdd6bc EZ |
1921 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
1922 | (display) | |
1923 | Lisp_Object display; | |
a168702a | 1924 | { |
3224dac1 KL |
1925 | struct display *d = get_tty_display (display); |
1926 | if (!d) | |
428a555e | 1927 | return Qnil; |
3224dac1 KL |
1928 | else |
1929 | return d->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; | |
a168702a GM |
1930 | } |
1931 | ||
bfa62f96 EZ |
1932 | /* Return the number of supported colors. */ |
1933 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1934 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
1935 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
1936 | (display) | |
1937 | Lisp_Object display; | |
bfa62f96 | 1938 | { |
3224dac1 KL |
1939 | struct display *d = get_tty_display (display); |
1940 | if (!d) | |
428a555e | 1941 | return Qnil; |
3224dac1 KL |
1942 | else |
1943 | return make_number (d->display_info.tty->TN_max_colors); | |
bfa62f96 EZ |
1944 | } |
1945 | ||
ace28297 | 1946 | #ifndef WINDOWSNT |
a168702a | 1947 | |
ace28297 EZ |
1948 | /* Save or restore the default color-related capabilities of this |
1949 | terminal. */ | |
1950 | static void | |
28d7d09f | 1951 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
1952 | { |
1953 | static char | |
1954 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
1955 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
1956 | ||
1957 | if (save) | |
1958 | { | |
1959 | if (default_orig_pair) | |
1960 | xfree (default_orig_pair); | |
fca177d4 | 1961 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1962 | |
1963 | if (default_set_foreground) | |
1964 | xfree (default_set_foreground); | |
fca177d4 | 1965 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
1966 | : NULL; |
1967 | ||
1968 | if (default_set_background) | |
1969 | xfree (default_set_background); | |
fca177d4 | 1970 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
1971 | : NULL; |
1972 | ||
fca177d4 KL |
1973 | default_max_colors = tty->TN_max_colors; |
1974 | default_max_pairs = tty->TN_max_pairs; | |
1975 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
1976 | } |
1977 | else | |
1978 | { | |
fca177d4 KL |
1979 | tty->TS_orig_pair = default_orig_pair; |
1980 | tty->TS_set_foreground = default_set_foreground; | |
1981 | tty->TS_set_background = default_set_background; | |
1982 | tty->TN_max_colors = default_max_colors; | |
1983 | tty->TN_max_pairs = default_max_pairs; | |
1984 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
1985 | } |
1986 | } | |
1987 | ||
1988 | /* Setup one of the standard tty color schemes according to MODE. | |
1989 | MODE's value is generally the number of colors which we want to | |
1990 | support; zero means set up for the default capabilities, the ones | |
1991 | we saw at term_init time; -1 means turn off color support. */ | |
1992 | void | |
28d7d09f | 1993 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 1994 | { |
40409f05 EZ |
1995 | /* Canonicalize all negative values of MODE. */ |
1996 | if (mode < -1) | |
1997 | mode = -1; | |
1998 | ||
ace28297 EZ |
1999 | switch (mode) |
2000 | { | |
2001 | case -1: /* no colors at all */ | |
fca177d4 KL |
2002 | tty->TN_max_colors = 0; |
2003 | tty->TN_max_pairs = 0; | |
2004 | tty->TN_no_color_video = 0; | |
2005 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2006 | break; |
2007 | case 0: /* default colors, if any */ | |
2008 | default: | |
fca177d4 | 2009 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2010 | break; |
2011 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2012 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2013 | #ifdef TERMINFO |
fca177d4 KL |
2014 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2015 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2016 | #else |
fca177d4 KL |
2017 | tty->TS_set_foreground = "\033[3%dm"; |
2018 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2019 | #endif |
fca177d4 KL |
2020 | tty->TN_max_colors = 8; |
2021 | tty->TN_max_pairs = 64; | |
2022 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2023 | break; |
2024 | } | |
2025 | } | |
2026 | ||
2027 | void | |
2028 | set_tty_color_mode (f, val) | |
2029 | struct frame *f; | |
2030 | Lisp_Object val; | |
2031 | { | |
dfc7a077 | 2032 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2033 | Lisp_Object color_mode, current_mode; |
2034 | int mode, old_mode; | |
2035 | extern Lisp_Object Qtty_color_mode; | |
2036 | Lisp_Object tty_color_mode_alist; | |
2037 | ||
2038 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2039 | Qnil); | |
2040 | ||
9ac61a89 | 2041 | if (INTEGERP (val)) |
ace28297 EZ |
2042 | color_mode = val; |
2043 | else | |
2044 | { | |
2045 | if (NILP (tty_color_mode_alist)) | |
2046 | color_mode_spec = Qnil; | |
2047 | else | |
2048 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2049 | |
2050 | if (CONSP (color_mode_spec)) | |
2051 | color_mode = XCDR (color_mode_spec); | |
2052 | else | |
2053 | color_mode = Qnil; | |
2054 | } | |
545d91d5 RS |
2055 | |
2056 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2057 | ||
ace28297 EZ |
2058 | if (CONSP (current_mode_spec)) |
2059 | current_mode = XCDR (current_mode_spec); | |
2060 | else | |
2061 | current_mode = Qnil; | |
9ac61a89 | 2062 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2063 | mode = XINT (color_mode); |
2064 | else | |
2065 | mode = 0; /* meaning default */ | |
9ac61a89 | 2066 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2067 | old_mode = XINT (current_mode); |
2068 | else | |
2069 | old_mode = 0; | |
2070 | ||
2071 | if (mode != old_mode) | |
2072 | { | |
fca177d4 | 2073 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2074 | /* This recomputes all the faces given the new color |
2075 | definitions. */ | |
2076 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2077 | redraw_frame (f); | |
2078 | } | |
2079 | } | |
2080 | ||
2081 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2082 | |
2083 | \f | |
28d440ab | 2084 | |
3224dac1 | 2085 | struct display * |
428a555e | 2086 | get_named_tty_display (name) |
28d440ab KL |
2087 | char *name; |
2088 | { | |
428a555e KL |
2089 | struct display *d; |
2090 | ||
2091 | for (d = display_list; d; d = d->next_display) { | |
2092 | if (d->type == output_termcap | |
2093 | && ((d->display_info.tty->name == 0 && name == 0) | |
2094 | || (name && d->display_info.tty->name | |
2095 | && !strcmp (d->display_info.tty->name, name)))) | |
2096 | return d; | |
28d440ab KL |
2097 | }; |
2098 | ||
2099 | return 0; | |
2100 | } | |
2101 | ||
2102 | \f | |
819b8f00 KL |
2103 | |
2104 | DEFUN ("frame-tty-name", Fframe_tty_name, Sframe_tty_name, 0, 1, 0, | |
2105 | doc: /* Return the name of the TTY device that FRAME is displayed on. */) | |
2106 | (frame) | |
2107 | Lisp_Object frame; | |
2108 | { | |
2109 | struct frame *f; | |
2110 | ||
2111 | if (NILP (frame)) | |
2112 | { | |
2113 | f = XFRAME (selected_frame); | |
2114 | } | |
2115 | else | |
2116 | { | |
2117 | CHECK_LIVE_FRAME (frame); | |
2118 | f = XFRAME (frame); | |
2119 | } | |
2120 | ||
2121 | if (f->output_method != output_termcap) | |
2122 | wrong_type_argument (Qframe_tty_name, frame); | |
2123 | ||
28d7d09f KL |
2124 | if (FRAME_TTY (f)->name) |
2125 | return build_string (FRAME_TTY (f)->name); | |
819b8f00 KL |
2126 | else |
2127 | return Qnil; | |
2128 | } | |
2129 | ||
2130 | DEFUN ("frame-tty-type", Fframe_tty_type, Sframe_tty_type, 0, 1, 0, | |
2131 | doc: /* Return the type of the TTY device that FRAME is displayed on. */) | |
2132 | (frame) | |
2133 | Lisp_Object frame; | |
2134 | { | |
2135 | struct frame *f; | |
daf01701 | 2136 | |
819b8f00 KL |
2137 | if (NILP (frame)) |
2138 | { | |
2139 | f = XFRAME (selected_frame); | |
2140 | } | |
2141 | else | |
2142 | { | |
2143 | CHECK_LIVE_FRAME (frame); | |
2144 | f = XFRAME (frame); | |
2145 | } | |
2146 | ||
2147 | if (f->output_method != output_termcap) | |
2148 | wrong_type_argument (Qframe_tty_type, frame); | |
2149 | ||
28d7d09f KL |
2150 | if (FRAME_TTY (f)->type) |
2151 | return build_string (FRAME_TTY (f)->type); | |
819b8f00 KL |
2152 | else |
2153 | return Qnil; | |
2154 | } | |
2155 | ||
2156 | \f | |
a168702a GM |
2157 | /*********************************************************************** |
2158 | Initialization | |
2159 | ***********************************************************************/ | |
2160 | ||
3224dac1 KL |
2161 | /* Create the bootstrap display device for the initial frame. |
2162 | ||
2163 | Returns a display of type output_initial. */ | |
428a555e | 2164 | struct display * |
3224dac1 | 2165 | init_initial_display (void) |
28d440ab | 2166 | { |
3224dac1 KL |
2167 | struct tty_display_info *tty; |
2168 | ||
428a555e KL |
2169 | if (initialized || display_list || tty_list) |
2170 | abort (); | |
2171 | ||
3224dac1 KL |
2172 | initial_display = create_display (); |
2173 | initial_display->type = output_initial; | |
428a555e | 2174 | |
3224dac1 KL |
2175 | initial_display->delete_display_hook = &delete_initial_display; |
2176 | /* All other hooks are NULL. */ | |
428a555e | 2177 | |
3224dac1 KL |
2178 | return initial_display; |
2179 | } | |
2180 | ||
2181 | /* Deletes the bootstrap display device. | |
2182 | Called through delete_display_hook. */ | |
2183 | void | |
2184 | delete_initial_display (struct display *display) | |
2185 | { | |
2186 | if (display != initial_display) | |
2187 | abort (); | |
2188 | ||
2189 | delete_display (display); | |
2190 | initial_display = NULL; | |
28d440ab KL |
2191 | } |
2192 | ||
3224dac1 KL |
2193 | /* Create a termcap display on the tty device with the given name and |
2194 | type. | |
2195 | ||
2196 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2197 | Otherwise NAME should be a path to the tty device file, | |
2198 | e.g. "/dev/pts/7". | |
28d440ab | 2199 | |
3224dac1 KL |
2200 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2201 | ||
2202 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
428a555e | 2203 | struct display * |
3224dac1 | 2204 | term_init (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2205 | { |
2206 | char *area; | |
2207 | char **address = &area; | |
3a06a6d9 | 2208 | char *buffer = NULL; |
5846981b | 2209 | int buffer_size = 4096; |
08a24c47 JB |
2210 | register char *p; |
2211 | int status; | |
28d7d09f | 2212 | struct tty_display_info *tty; |
428a555e | 2213 | struct display *display; |
28d440ab | 2214 | |
3224dac1 KL |
2215 | static void maybe_fatal(); |
2216 | ||
2217 | if (!terminal_type) | |
2218 | maybe_fatal (must_succeed, 0, 0, | |
2219 | "Unknown terminal type", | |
2220 | "Unknown terminal type"); | |
2221 | ||
428a555e KL |
2222 | display = get_named_tty_display (name); |
2223 | if (display) | |
3224dac1 | 2224 | return display; /* We have already opened a display there. */ |
428a555e | 2225 | |
3224dac1 KL |
2226 | display = create_display (); |
2227 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); | |
2228 | bzero (tty, sizeof (struct tty_display_info)); | |
2229 | tty->next = tty_list; | |
2230 | tty_list = tty; | |
428a555e | 2231 | |
3224dac1 KL |
2232 | display->type = output_termcap; |
2233 | display->display_info.tty = tty; | |
2234 | tty->display = display; | |
28d440ab | 2235 | |
7b00d185 KL |
2236 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2237 | Wcm_clear (tty); | |
daf01701 | 2238 | |
428a555e | 2239 | display->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 KL |
2240 | |
2241 | display->cursor_to_hook = &tty_cursor_to; | |
2242 | display->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2243 | ||
2244 | display->clear_to_end_hook = &tty_clear_to_end; | |
2245 | display->clear_frame_hook = &tty_clear_frame; | |
2246 | display->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2247 | ||
2248 | display->ins_del_lines_hook = &tty_ins_del_lines; | |
2249 | ||
2250 | display->insert_glyphs_hook = &tty_insert_glyphs; | |
2251 | display->write_glyphs_hook = &tty_write_glyphs; | |
2252 | display->delete_glyphs_hook = &tty_delete_glyphs; | |
2253 | ||
2254 | display->ring_bell_hook = &tty_ring_bell; | |
2255 | ||
2256 | display->reset_terminal_modes_hook = &tty_reset_terminal_modes; | |
2257 | display->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2258 | display->update_begin_hook = 0; /* Not needed. */ | |
2259 | display->update_end_hook = &tty_update_end; | |
2260 | display->set_terminal_window_hook = &tty_set_terminal_window; | |
2261 | ||
2262 | display->mouse_position_hook = 0; /* Not needed. */ | |
2263 | display->frame_rehighlight_hook = 0; /* Not needed. */ | |
2264 | display->frame_raise_lower_hook = 0; /* Not needed. */ | |
2265 | ||
2266 | display->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2267 | display->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2268 | display->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2269 | display->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2270 | ||
8f1ce423 | 2271 | display->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ |
3224dac1 KL |
2272 | display->frame_up_to_date_hook = 0; /* Not needed. */ |
2273 | ||
428a555e KL |
2274 | display->delete_frame_hook = &delete_tty_output; |
2275 | display->delete_display_hook = &delete_tty; | |
2276 | ||
28d440ab KL |
2277 | if (name) |
2278 | { | |
2279 | int fd; | |
0a125897 | 2280 | FILE *file; |
28d440ab KL |
2281 | fd = emacs_open (name, O_RDWR, 0); |
2282 | if (fd < 0) | |
2283 | { | |
428a555e | 2284 | delete_tty (display); |
fca177d4 | 2285 | error ("Could not open file: %s", name); |
28d440ab | 2286 | } |
0a125897 | 2287 | file = fdopen (fd, "w+"); |
28d7d09f KL |
2288 | tty->name = xstrdup (name); |
2289 | tty->input = file; | |
2290 | tty->output = file; | |
28d440ab KL |
2291 | } |
2292 | else | |
2293 | { | |
28d7d09f KL |
2294 | tty->name = 0; |
2295 | tty->input = stdin; | |
2296 | tty->output = stdout; | |
28d440ab KL |
2297 | } |
2298 | ||
28d7d09f | 2299 | tty->type = xstrdup (terminal_type); |
28d440ab | 2300 | |
819b8f00 | 2301 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2302 | |
cb28b9c2 | 2303 | #ifdef WINDOWSNT |
29f27c39 | 2304 | initialize_w32_display (); |
cb28b9c2 | 2305 | |
fca177d4 | 2306 | Wcm_clear (tty); |
cb28b9c2 | 2307 | |
a678d9ff | 2308 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2309 | |
428a555e KL |
2310 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2311 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2312 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2313 | |
428a555e | 2314 | tty->display->delete_in_insert_mode = 1; |
cb28b9c2 | 2315 | |
daf01701 | 2316 | UseTabs (tty) = 0; |
428a555e | 2317 | display->scroll_region_ok = 0; |
cb28b9c2 RS |
2318 | |
2319 | /* Seems to insert lines when it's not supposed to, messing | |
2320 | up the display. In doing a trace, it didn't seem to be | |
2321 | called much, so I don't think we're losing anything by | |
2322 | turning it off. */ | |
428a555e KL |
2323 | display->line_ins_del_ok = 0; |
2324 | display->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2325 | |
2326 | baud_rate = 19200; | |
2327 | ||
428a555e KL |
2328 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2329 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2330 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2331 | |
428a555e | 2332 | return display; |
eccec691 | 2333 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2334 | |
6548cf00 | 2335 | Wcm_clear (tty); |
08a24c47 | 2336 | |
3a06a6d9 | 2337 | buffer = (char *) xmalloc (buffer_size); |
08a24c47 JB |
2338 | status = tgetent (buffer, terminal_type); |
2339 | if (status < 0) | |
b0347178 KH |
2340 | { |
2341 | #ifdef TERMINFO | |
3224dac1 KL |
2342 | maybe_fatal (must_succeed, buffer, display, |
2343 | "Cannot open terminfo database file", | |
2344 | "Cannot open terminfo database file"); | |
b0347178 | 2345 | #else |
3224dac1 KL |
2346 | maybe_fatal (must_succeed, buffer, display, |
2347 | "Cannot open termcap database file", | |
2348 | "Cannot open termcap database file"); | |
b0347178 KH |
2349 | #endif |
2350 | } | |
08a24c47 | 2351 | if (status == 0) |
b0347178 KH |
2352 | { |
2353 | #ifdef TERMINFO | |
3224dac1 KL |
2354 | maybe_fatal (must_succeed, buffer, display, |
2355 | "Terminal type %s is not defined", | |
2356 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2357 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2358 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2359 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2360 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2361 | terminal_type); |
b0347178 | 2362 | #else |
3224dac1 KL |
2363 | maybe_fatal (must_succeed, buffer, display, |
2364 | "Terminal type %s is not defined", | |
2365 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2366 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2367 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2368 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2369 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2370 | terminal_type); |
b0347178 KH |
2371 | #endif |
2372 | } | |
3a06a6d9 | 2373 | |
f730033e | 2374 | #ifndef TERMINFO |
3a06a6d9 | 2375 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2376 | abort (); |
f730033e | 2377 | buffer_size = strlen (buffer); |
3dd3a502 | 2378 | #endif |
f730033e | 2379 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2380 | |
fca177d4 KL |
2381 | tty->TS_ins_line = tgetstr ("al", address); |
2382 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2383 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2384 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2385 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2386 | tty->TS_clr_line = tgetstr ("ce", address); | |
2387 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2388 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2389 | AbsPosition (tty) = tgetstr ("cm", address); | |
2390 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2391 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2392 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2393 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2394 | tty->TS_del_char = tgetstr ("dc", address); |
2395 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2396 | tty->TS_del_line = tgetstr ("dl", address); | |
2397 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2398 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2399 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2400 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2401 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2402 | tty->TS_ins_char = tgetstr ("ic", address); |
2403 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2404 | tty->TS_insert_mode = tgetstr ("im", address); | |
2405 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2406 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2407 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2408 | LastLine (tty) = tgetstr ("ll", address); |
2409 | Right (tty) = tgetstr ("nd", address); | |
2410 | Down (tty) = tgetstr ("do", address); | |
2411 | if (!Down (tty)) | |
2412 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2413 | #ifdef VMS |
2414 | /* VMS puts a carriage return before each linefeed, | |
2415 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2416 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2417 | Down (tty) = 0; | |
08a24c47 JB |
2418 | #endif /* VMS */ |
2419 | if (tgetflag ("bs")) | |
6548cf00 | 2420 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2421 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2422 | Left (tty) = tgetstr ("le", address); |
2423 | if (!Left (tty)) | |
2424 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2425 | tty->TS_pad_char = tgetstr ("pc", address); |
2426 | tty->TS_repeat = tgetstr ("rp", address); | |
2427 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2428 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2429 | tty->TS_standout_mode = tgetstr ("so", address); | |
2430 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2431 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2432 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2433 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2434 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2435 | tty->TS_visible_bell = tgetstr ("vb", address); |
2436 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2437 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2438 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2439 | tty->TS_set_window = tgetstr ("wi", address); | |
2440 | ||
2441 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2442 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2443 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2444 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2445 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2446 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2447 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2448 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2449 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2450 | |
6548cf00 KL |
2451 | MultiUp (tty) = tgetstr ("UP", address); |
2452 | MultiDown (tty) = tgetstr ("DO", address); | |
2453 | MultiLeft (tty) = tgetstr ("LE", address); | |
2454 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2455 | |
e7f90eab GM |
2456 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2457 | color because we can't switch back to the default foreground and | |
2458 | background. */ | |
fca177d4 KL |
2459 | tty->TS_orig_pair = tgetstr ("op", address); |
2460 | if (tty->TS_orig_pair) | |
a168702a | 2461 | { |
fca177d4 KL |
2462 | tty->TS_set_foreground = tgetstr ("AF", address); |
2463 | tty->TS_set_background = tgetstr ("AB", address); | |
2464 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2465 | { |
2466 | /* SVr4. */ | |
fca177d4 KL |
2467 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2468 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2469 | } |
177c0ea7 | 2470 | |
fca177d4 KL |
2471 | tty->TN_max_colors = tgetnum ("Co"); |
2472 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2473 | |
fca177d4 KL |
2474 | tty->TN_no_color_video = tgetnum ("NC"); |
2475 | if (tty->TN_no_color_video == -1) | |
2476 | tty->TN_no_color_video = 0; | |
a168702a | 2477 | } |
a168702a | 2478 | |
fca177d4 | 2479 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2480 | |
6548cf00 | 2481 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2482 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2483 | the former flag imply the latter. */ | |
6548cf00 | 2484 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
428a555e | 2485 | display->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2486 | tty->TF_hazeltine = tgetflag ("hz"); |
428a555e | 2487 | display->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2488 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2489 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2490 | tty->TF_standout_motion = tgetflag ("ms"); | |
2491 | tty->TF_underscore = tgetflag ("ul"); | |
2492 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2493 | |
5c2c7893 JB |
2494 | term_get_fkeys (address); |
2495 | ||
ff11dfa1 | 2496 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2497 | { |
2498 | int height, width; | |
16c290d8 | 2499 | get_tty_size (fileno (TTY_INPUT (tty)), &width, &height); |
0a125897 KL |
2500 | FrameCols (tty) = width; |
2501 | FrameRows (tty) = height; | |
3b12ce12 RS |
2502 | } |
2503 | ||
0a125897 KL |
2504 | if (FrameCols (tty) <= 0) |
2505 | FrameCols (tty) = tgetnum ("co"); | |
2506 | if (FrameRows (tty) <= 0) | |
2507 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2508 | |
0a125897 | 2509 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
3224dac1 KL |
2510 | maybe_fatal (must_succeed, NULL, display, |
2511 | "Screen size %dx%d is too small" | |
2512 | "Screen size %dx%d is too small", | |
0a125897 | 2513 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2514 | |
8a56675d | 2515 | #if 0 /* This is not used anywhere. */ |
428a555e | 2516 | tty->display->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2517 | #endif |
28d440ab | 2518 | |
6548cf00 | 2519 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2520 | |
2521 | #ifdef VMS | |
2522 | /* These capabilities commonly use ^J. | |
2523 | I don't know why, but sending them on VMS does not work; | |
2524 | it causes following spaces to be lost, sometimes. | |
2525 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2526 | if (Down (tty) && Down (tty)[0] == '\n') |
2527 | Down (tty) = 0; | |
08a24c47 JB |
2528 | #endif /* VMS */ |
2529 | ||
fca177d4 KL |
2530 | if (!tty->TS_bell) |
2531 | tty->TS_bell = "\07"; | |
08a24c47 | 2532 | |
fca177d4 KL |
2533 | if (!tty->TS_fwd_scroll) |
2534 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2535 | |
fca177d4 | 2536 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2537 | |
6548cf00 KL |
2538 | if (TabWidth (tty) < 0) |
2539 | TabWidth (tty) = 8; | |
177c0ea7 | 2540 | |
08a24c47 JB |
2541 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2542 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2543 | if (!tty->Wcm->cm_tab) |
2544 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2545 | */ |
2546 | ||
54800acb MB |
2547 | /* We don't support standout modes that use `magic cookies', so |
2548 | turn off any that do. */ | |
fca177d4 | 2549 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2550 | { |
fca177d4 KL |
2551 | tty->TS_standout_mode = 0; |
2552 | tty->TS_end_standout_mode = 0; | |
54800acb | 2553 | } |
fca177d4 | 2554 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2555 | { |
fca177d4 KL |
2556 | tty->TS_enter_underline_mode = 0; |
2557 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2558 | } |
2559 | ||
2560 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2561 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2562 | { |
fca177d4 KL |
2563 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2564 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2565 | } |
2566 | ||
afd359c4 RS |
2567 | /* If no `se' string, try using a `me' string instead. |
2568 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2569 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2570 | { |
e4bfb3b6 | 2571 | char *s = tgetstr ("me", address); |
afd359c4 | 2572 | if (s != 0) |
fca177d4 | 2573 | tty->TS_end_standout_mode = s; |
afd359c4 | 2574 | else |
fca177d4 | 2575 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2576 | } |
2577 | ||
fca177d4 | 2578 | if (tty->TF_teleray) |
08a24c47 | 2579 | { |
6548cf00 | 2580 | tty->Wcm->cm_tab = 0; |
54800acb | 2581 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2582 | tty->TS_standout_mode = 0; |
08a24c47 | 2583 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2584 | CR (tty) = 0; |
08a24c47 JB |
2585 | /* LF can't be trusted either -- can alter hpos */ |
2586 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2587 | Down (tty) = 0; |
08a24c47 JB |
2588 | } |
2589 | ||
2590 | /* Special handling for certain terminal types known to need it */ | |
2591 | ||
2592 | if (!strcmp (terminal_type, "supdup")) | |
2593 | { | |
428a555e | 2594 | display->memory_below_frame = 1; |
6548cf00 | 2595 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2596 | } |
2597 | if (!strncmp (terminal_type, "c10", 3) | |
2598 | || !strcmp (terminal_type, "perq")) | |
2599 | { | |
2600 | /* Supply a makeshift :wi string. | |
2601 | This string is not valid in general since it works only | |
2602 | for windows starting at the upper left corner; | |
2603 | but that is all Emacs uses. | |
daf01701 | 2604 | |
ff11dfa1 | 2605 | This string works only if the frame is using |
08a24c47 JB |
2606 | the top of the video memory, because addressing is memory-relative. |
2607 | So first check the :ti string to see if that is true. | |
2608 | ||
2609 | It would be simpler if the :wi string could go in the termcap | |
2610 | entry, but it can't because it is not fully valid. | |
2611 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2612 | if (!tty->TS_set_window) |
08a24c47 | 2613 | { |
fca177d4 | 2614 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2615 | while (*p && strcmp (p, "\033v ")) |
2616 | p++; | |
2617 | if (*p) | |
fca177d4 | 2618 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2619 | } |
2620 | /* Termcap entry often fails to have :in: flag */ | |
428a555e | 2621 | display->must_write_spaces = 1; |
08a24c47 JB |
2622 | /* :ti string typically fails to have \E^G! in it */ |
2623 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2624 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2625 | strcat (area, "\033\007!"); |
fca177d4 | 2626 | tty->TS_termcap_modes = area; |
08a24c47 | 2627 | area += strlen (area) + 1; |
6548cf00 | 2628 | p = AbsPosition (tty); |
08a24c47 | 2629 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2630 | values above 96 correctly for the C100. */ |
08a24c47 | 2631 | while (*p) |
28d440ab KL |
2632 | { |
2633 | if (p[0] == '%' && p[1] == '+') | |
2634 | p[1] = 'C'; | |
2635 | p++; | |
2636 | } | |
08a24c47 JB |
2637 | } |
2638 | ||
0a125897 | 2639 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2640 | |
6548cf00 | 2641 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 KL |
2642 | { |
2643 | maybe_fatal (must_succeed, NULL, display, | |
2644 | "Terminal type \"%s\" is not powerful enough to run Emacs", | |
08a24c47 | 2645 | #ifdef VMS |
3224dac1 | 2646 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2647 | It lacks the ability to position the cursor.\n\ |
2648 | If that is not the actual type of terminal you have, use either the\n\ | |
2649 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2650 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2651 | #else /* not VMS */ |
2652 | # ifdef TERMINFO | |
3224dac1 | 2653 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2654 | It lacks the ability to position the cursor.\n\ |
2655 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2656 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2657 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2658 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2659 | # else /* TERMCAP */ |
3224dac1 | 2660 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2661 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2662 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2663 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2664 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2665 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2666 | # endif /* TERMINFO */ |
2667 | #endif /*VMS */ | |
3224dac1 | 2668 | terminal_type); |
fca177d4 | 2669 | } |
daf01701 | 2670 | |
0a125897 | 2671 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
3224dac1 KL |
2672 | maybe_fatal (must_succeed, NULL, display, |
2673 | "Could not determine the frame size", | |
2674 | "Could not determine the frame size"); | |
08a24c47 | 2675 | |
fca177d4 KL |
2676 | tty->delete_in_insert_mode |
2677 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2678 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2679 | |
fca177d4 KL |
2680 | tty->se_is_so = (tty->TS_standout_mode |
2681 | && tty->TS_end_standout_mode | |
2682 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2683 | |
16c290d8 | 2684 | UseTabs (tty) = tabs_safe_p (fileno (TTY_INPUT (tty))) && TabWidth (tty) == 8; |
08a24c47 | 2685 | |
428a555e | 2686 | display->scroll_region_ok |
6548cf00 | 2687 | = (tty->Wcm->cm_abs |
fca177d4 | 2688 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2689 | |
428a555e | 2690 | display->line_ins_del_ok |
fca177d4 KL |
2691 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2692 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
428a555e | 2693 | || (display->scroll_region_ok |
fca177d4 | 2694 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2695 | |
428a555e | 2696 | display->char_ins_del_ok |
fca177d4 KL |
2697 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2698 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2699 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2700 | |
428a555e | 2701 | display->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2702 | |
16c290d8 | 2703 | init_baud_rate (fileno (TTY_INPUT (tty))); |
20a558dc | 2704 | |
daf01701 KL |
2705 | #ifdef AIXHFT |
2706 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2707 | really ugly at times. */ | |
428a555e KL |
2708 | display->line_ins_del_ok = 0; |
2709 | display->char_ins_del_ok = 0; | |
daf01701 KL |
2710 | #endif |
2711 | ||
7b00d185 KL |
2712 | #ifdef MULTI_KBOARD |
2713 | tty->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
2714 | init_kboard (tty->kboard); | |
2715 | tty->kboard->next_kboard = all_kboards; | |
2716 | all_kboards = tty->kboard; | |
2717 | /* Don't let the initial kboard remain current longer than necessary. | |
2718 | That would cause problems if a file loaded on startup tries to | |
2719 | prompt in the mini-buffer. */ | |
2720 | if (current_kboard == initial_kboard) | |
2721 | current_kboard = tty->kboard; | |
2722 | tty->kboard->reference_count++; | |
2723 | #endif | |
2724 | ||
0a125897 KL |
2725 | /* Don't do this. I think termcap may still need the buffer. */ |
2726 | /* xfree (buffer); */ | |
28d440ab | 2727 | |
0a125897 KL |
2728 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2729 | init_sys_modes (tty); | |
daf01701 | 2730 | |
428a555e | 2731 | return display; |
7b00d185 | 2732 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2733 | } |
2734 | ||
3224dac1 KL |
2735 | /* Auxiliary error-handling function for term_init. |
2736 | Free BUFFER and delete DISPLAY, then call error or fatal | |
2737 | with str1 or str2, respectively, according to MUST_SUCCEED. | |
2738 | */ | |
2739 | static void | |
2740 | maybe_fatal (must_succeed, buffer, display, str1, str2, arg1, arg2) | |
2741 | int must_succeed; | |
2742 | char *buffer; | |
2743 | struct display *display; | |
2744 | char *str1, *str2, *arg1, *arg2; | |
2745 | { | |
2746 | if (buffer) | |
2747 | xfree (buffer); | |
2748 | ||
2749 | if (display) | |
2750 | delete_tty (display); | |
2751 | ||
2752 | if (must_succeed) | |
2753 | fatal (str2, arg1, arg2); | |
2754 | else | |
2755 | error (str1, arg1, arg2); | |
2756 | ||
2757 | abort (); | |
2758 | } | |
2759 | ||
08a24c47 | 2760 | /* VARARGS 1 */ |
dfcf069d | 2761 | void |
08a24c47 | 2762 | fatal (str, arg1, arg2) |
4746118a | 2763 | char *str, *arg1, *arg2; |
08a24c47 JB |
2764 | { |
2765 | fprintf (stderr, "emacs: "); | |
2766 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2767 | fprintf (stderr, "\n"); |
08a24c47 JB |
2768 | fflush (stderr); |
2769 | exit (1); | |
2770 | } | |
07c57952 | 2771 | |
819b8f00 KL |
2772 | \f |
2773 | ||
2774 | DEFUN ("delete-tty", Fdelete_tty, Sdelete_tty, 0, 1, 0, | |
4d553a13 KL |
2775 | doc: /* Delete all frames on the terminal named TTY, and close the device. |
2776 | If omitted, TTY defaults to the controlling terminal. | |
2777 | ||
2778 | This function runs `delete-tty-after-functions' after closing the | |
2779 | tty. The functions are run with one arg, the frame to be deleted. */) | |
819b8f00 KL |
2780 | (tty) |
2781 | Lisp_Object tty; | |
07c57952 | 2782 | { |
428a555e | 2783 | struct display *d; |
819b8f00 | 2784 | char *name = 0; |
c291d9ef | 2785 | |
819b8f00 | 2786 | CHECK_STRING (tty); |
daf01701 | 2787 | |
819b8f00 KL |
2788 | if (SBYTES (tty) > 0) |
2789 | { | |
2790 | name = (char *) alloca (SBYTES (tty) + 1); | |
2791 | strncpy (name, SDATA (tty), SBYTES (tty)); | |
2792 | name[SBYTES (tty)] = 0; | |
2793 | } | |
a168702a | 2794 | |
428a555e | 2795 | d = get_named_tty_display (name); |
6548cf00 | 2796 | |
428a555e KL |
2797 | if (! d) |
2798 | error ("No such terminal device: %s", name); | |
daf01701 | 2799 | |
428a555e | 2800 | delete_tty (d); |
07c57952 | 2801 | } |
a168702a | 2802 | |
0a125897 KL |
2803 | static int deleting_tty = 0; |
2804 | ||
fca177d4 | 2805 | void |
428a555e | 2806 | delete_tty (struct display *display) |
fca177d4 | 2807 | { |
428a555e | 2808 | struct tty_display_info *tty; |
fca177d4 | 2809 | Lisp_Object tail, frame; |
4d553a13 KL |
2810 | char *tty_name; |
2811 | ||
0a125897 KL |
2812 | if (deleting_tty) |
2813 | /* We get a recursive call when we delete the last frame on this | |
428a555e | 2814 | display. */ |
0a125897 | 2815 | return; |
fca177d4 | 2816 | |
0a125897 | 2817 | deleting_tty = 1; |
daf01701 | 2818 | |
428a555e KL |
2819 | if (display->type != output_termcap) |
2820 | abort (); | |
2821 | ||
2822 | tty = display->display_info.tty; | |
2823 | ||
fca177d4 KL |
2824 | if (tty == tty_list) |
2825 | tty_list = tty->next; | |
2826 | else | |
2827 | { | |
28d7d09f | 2828 | struct tty_display_info *p; |
fca177d4 KL |
2829 | for (p = tty_list; p && p->next != tty; p = p->next) |
2830 | ; | |
2831 | ||
2832 | if (! p) | |
2833 | /* This should not happen. */ | |
2834 | abort (); | |
2835 | ||
0a125897 KL |
2836 | p->next = tty->next; |
2837 | tty->next = 0; | |
fca177d4 KL |
2838 | } |
2839 | ||
04c3243c KL |
2840 | FOR_EACH_FRAME (tail, frame) |
2841 | { | |
2842 | struct frame *f = XFRAME (frame); | |
daf01701 | 2843 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
2844 | { |
2845 | Fdelete_frame (frame, Qt); | |
2846 | f->output_data.tty = 0; | |
2847 | } | |
2848 | } | |
daf01701 | 2849 | |
3224dac1 KL |
2850 | /* reset_sys_modes needs a valid display, so this call needs to be |
2851 | before delete_display. */ | |
04c3243c | 2852 | reset_sys_modes (tty); |
fca177d4 | 2853 | |
3224dac1 KL |
2854 | delete_display (display); |
2855 | ||
4d553a13 | 2856 | tty_name = tty->name; |
fca177d4 KL |
2857 | if (tty->type) |
2858 | xfree (tty->type); | |
daf01701 | 2859 | |
fca177d4 | 2860 | if (tty->input) |
819b8f00 KL |
2861 | { |
2862 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
2863 | if (tty->input != stdin) | |
2864 | fclose (tty->input); | |
2865 | } | |
2866 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
2867 | fclose (tty->output); |
2868 | if (tty->termscript) | |
2869 | fclose (tty->termscript); | |
daf01701 | 2870 | |
fca177d4 | 2871 | if (tty->old_tty) |
0a125897 | 2872 | xfree (tty->old_tty); |
fca177d4 | 2873 | |
0a125897 | 2874 | if (tty->Wcm) |
daf01701 KL |
2875 | xfree (tty->Wcm); |
2876 | ||
7b00d185 KL |
2877 | #ifdef MULTI_KBOARD |
2878 | if (tty->kboard && --tty->kboard->reference_count > 0) | |
2879 | abort (); | |
2880 | if (tty->kboard) | |
2881 | delete_kboard (tty->kboard); | |
2882 | #endif | |
2883 | ||
28d7d09f | 2884 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 2885 | xfree (tty); |
0a125897 | 2886 | deleting_tty = 0; |
4d553a13 KL |
2887 | |
2888 | /* Run `delete-tty-after-functions'. */ | |
2889 | if (!NILP (Vrun_hooks)) | |
2890 | { | |
2891 | Lisp_Object args[2]; | |
2892 | args[0] = intern ("delete-tty-after-functions"); | |
2893 | if (tty_name) | |
2894 | { | |
2895 | args[1] = build_string (tty_name); | |
2896 | xfree (tty_name); | |
2897 | } | |
2898 | else | |
2899 | args[1] = Qnil; | |
2900 | Frun_hook_with_args (2, args); | |
2901 | } | |
fca177d4 KL |
2902 | } |
2903 | ||
428a555e KL |
2904 | \f |
2905 | ||
2906 | /* Initialize the tty-dependent part of frame F. The frame must | |
2907 | already have its display initialized. */ | |
2908 | void | |
2909 | create_tty_output (struct frame *f) | |
2910 | { | |
2911 | if (! FRAME_TERMCAP_P (f)) | |
2912 | abort (); | |
2913 | ||
2914 | struct tty_output *t = xmalloc (sizeof (struct tty_output)); | |
2915 | bzero (t, sizeof (struct tty_output)); | |
2916 | ||
2917 | t->display_info = FRAME_DISPLAY (f)->display_info.tty; | |
2918 | ||
2919 | f->output_data.tty = t; | |
2920 | } | |
2921 | ||
2922 | /* Delete the tty-dependent part of frame F. */ | |
2923 | void | |
2924 | delete_tty_output (struct frame *f) | |
2925 | { | |
2926 | if (! FRAME_TERMCAP_P (f)) | |
2927 | abort (); | |
2928 | ||
2929 | xfree (f->output_data.tty); | |
2930 | } | |
2931 | ||
fca177d4 | 2932 | |
819b8f00 | 2933 | \f |
28d440ab | 2934 | |
28d7d09f | 2935 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 2936 | Called by the Fgarbage_collector. */ |
fca177d4 | 2937 | void |
819b8f00 | 2938 | mark_ttys () |
fca177d4 | 2939 | { |
28d7d09f | 2940 | struct tty_display_info *tty; |
819b8f00 KL |
2941 | Lisp_Object *p; |
2942 | for (tty = tty_list; tty; tty = tty->next) | |
fca177d4 | 2943 | { |
819b8f00 KL |
2944 | if (tty->top_frame) |
2945 | mark_object (tty->top_frame); | |
fca177d4 KL |
2946 | } |
2947 | } | |
2948 | ||
428a555e KL |
2949 | \f |
2950 | ||
2951 | /* Create a new display object and add it to the display list. */ | |
2952 | struct display * | |
2953 | create_display (void) | |
2954 | { | |
2955 | struct display *dev = (struct display *) xmalloc (sizeof (struct display)); | |
2956 | ||
2957 | bzero (dev, sizeof (struct display)); | |
2958 | dev->next_display = display_list; | |
2959 | display_list = dev; | |
2960 | ||
2961 | return dev; | |
2962 | } | |
2963 | ||
2964 | /* Remove a display from the display list and free its memory. */ | |
2965 | void | |
2966 | delete_display (struct display *dev) | |
2967 | { | |
2968 | struct display **dp; | |
2969 | for (dp = &display_list; *dp != dev; dp = &(*dp)->next_display) | |
2970 | if (! *dp) | |
2971 | abort (); | |
2972 | *dp = dev->next_display; | |
2973 | ||
2974 | bzero (dev, sizeof (struct display)); | |
2975 | xfree (dev); | |
2976 | } | |
2977 | ||
28d440ab | 2978 | |
819b8f00 KL |
2979 | \f |
2980 | void | |
2981 | syms_of_term () | |
2982 | { | |
2983 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
2984 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
2985 | This variable can be used by terminal emulator packages. */); | |
2986 | #ifdef TERMINFO | |
2987 | system_uses_terminfo = 1; | |
2988 | #else | |
2989 | system_uses_terminfo = 0; | |
2990 | #endif | |
2991 | ||
2992 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
2993 | doc: /* Non-nil means call this function to ring the bell. | |
2994 | The function should accept no arguments. */); | |
2995 | Vring_bell_function = Qnil; | |
2996 | ||
4d553a13 KL |
2997 | DEFVAR_LISP ("delete-tty-after-functions", &Vdelete_tty_after_functions, |
2998 | doc: /* Functions to be run after deleting a tty. | |
2999 | The functions are run with one argument, the name of the tty to be deleted. | |
3000 | See `delete-tty'. */); | |
3001 | Vdelete_tty_after_functions = Qnil; | |
3002 | ||
819b8f00 KL |
3003 | Qframe_tty_name = intern ("frame-tty-name"); |
3004 | staticpro (&Qframe_tty_name); | |
3005 | ||
3006 | Qframe_tty_type = intern ("frame-tty-type"); | |
3007 | staticpro (&Qframe_tty_type); | |
3008 | ||
3009 | defsubr (&Stty_display_color_p); | |
3010 | defsubr (&Stty_display_color_cells); | |
3011 | defsubr (&Sframe_tty_name); | |
3012 | defsubr (&Sframe_tty_type); | |
3013 | defsubr (&Sdelete_tty); | |
daf01701 | 3014 | |
819b8f00 | 3015 | Fprovide (intern ("multi-tty"), Qnil); |
7b00d185 | 3016 | |
819b8f00 KL |
3017 | } |
3018 | ||
3019 | ||
3020 | ||
ab5796a9 MB |
3021 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3022 | (do not change this comment) */ |