Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
4a8130f2 | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002 |
d284f58f | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
28d440ab KL |
29 | #include <sys/file.h> |
30 | ||
0c72d684 KL |
31 | #include <unistd.h> /* For isatty. */ |
32 | #include <sys/ioctl.h> /* For TIOCNOTTY. */ | |
33 | ||
9628b887 | 34 | #include "lisp.h" |
08a24c47 JB |
35 | #include "termchar.h" |
36 | #include "termopts.h" | |
a4decb7f KH |
37 | #include "charset.h" |
38 | #include "coding.h" | |
2538fae4 | 39 | #include "keyboard.h" |
ff11dfa1 | 40 | #include "frame.h" |
08a24c47 JB |
41 | #include "disptab.h" |
42 | #include "termhooks.h" | |
dfcf069d | 43 | #include "dispextern.h" |
a168702a | 44 | #include "window.h" |
8feddab4 | 45 | #include "keymap.h" |
a168702a | 46 | |
ff23e1dd GM |
47 | /* For now, don't try to include termcap.h. On some systems, |
48 | configure finds a non-standard termcap.h that the main build | |
49 | won't find. */ | |
50 | ||
51 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 52 | #include <termcap.h> |
46d1b2bc DL |
53 | #else |
54 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
55 | extern int tgetent P_ ((char *, const char *)); | |
56 | extern int tgetflag P_ ((char *id)); | |
57 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
58 | #endif |
59 | ||
eccec691 | 60 | #include "cm.h" |
dfcf069d AS |
61 | #ifdef HAVE_X_WINDOWS |
62 | #include "xterm.h" | |
63 | #endif | |
e0f712ba | 64 | #ifdef MAC_OS |
1a578e9b AC |
65 | #include "macterm.h" |
66 | #endif | |
c8951b18 | 67 | |
28d440ab KL |
68 | #ifndef O_RDWR |
69 | #define O_RDWR 2 | |
70 | #endif | |
71 | ||
0c72d684 KL |
72 | #ifndef O_NOCTTY |
73 | #define O_NOCTTY 0 | |
74 | #endif | |
75 | ||
a168702a GM |
76 | static void turn_on_face P_ ((struct frame *, int face_id)); |
77 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
78 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
79 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
fca177d4 | 80 | |
3224dac1 | 81 | void delete_initial_display P_ ((struct display *)); |
428a555e KL |
82 | void delete_tty P_ ((struct display *)); |
83 | void create_tty_output P_ ((struct frame *)); | |
84 | void delete_tty_output P_ ((struct frame *)); | |
a168702a | 85 | |
6548cf00 KL |
86 | #define OUTPUT(tty, a) \ |
87 | emacs_tputs ((tty), a, \ | |
88 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
89 | - curY (tty)), \ | |
90 | cmputc) | |
91 | ||
28d440ab KL |
92 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
93 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 94 | |
28d440ab | 95 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
96 | do { \ |
97 | if (a) \ | |
98 | emacs_tputs ((tty), a, \ | |
99 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
100 | - curY (tty) ), \ | |
101 | cmputc); \ | |
102 | } while (0) | |
177c0ea7 | 103 | |
28d440ab | 104 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 105 | |
c291d9ef | 106 | /* Function to use to ring the bell. */ |
a168702a | 107 | |
c291d9ef RS |
108 | Lisp_Object Vring_bell_function; |
109 | ||
4d553a13 KL |
110 | /* Functions to call after a tty was deleted. */ |
111 | Lisp_Object Vdelete_tty_after_functions; | |
112 | ||
428a555e KL |
113 | /* Chain of all displays currently in use. */ |
114 | struct display *display_list; | |
28d440ab | 115 | |
3224dac1 KL |
116 | /* The initial display device, created by initial_term_init. */ |
117 | struct display *initial_display; | |
118 | ||
428a555e | 119 | /* Chain of all tty device parameters. */ |
28d7d09f | 120 | struct tty_display_info *tty_list; |
08a24c47 | 121 | |
fca177d4 KL |
122 | /* Nonzero means no need to redraw the entire frame on resuming a |
123 | suspended Emacs. This is useful on terminals with multiple | |
124 | pages, where one page is used for Emacs and another for all | |
125 | else. */ | |
08a24c47 | 126 | int no_redraw_on_reenter; |
819b8f00 KL |
127 | |
128 | Lisp_Object Qframe_tty_name, Qframe_tty_type; | |
129 | ||
20a558dc | 130 | |
4e6ba4a4 GM |
131 | |
132 | /* Meaning of bits in no_color_video. Each bit set means that the | |
133 | corresponding attribute cannot be combined with colors. */ | |
134 | ||
135 | enum no_color_bit | |
136 | { | |
137 | NC_STANDOUT = 1 << 0, | |
138 | NC_UNDERLINE = 1 << 1, | |
139 | NC_REVERSE = 1 << 2, | |
140 | NC_BLINK = 1 << 3, | |
141 | NC_DIM = 1 << 4, | |
142 | NC_BOLD = 1 << 5, | |
143 | NC_INVIS = 1 << 6, | |
144 | NC_PROTECT = 1 << 7, | |
145 | NC_ALT_CHARSET = 1 << 8 | |
146 | }; | |
147 | ||
08a24c47 JB |
148 | /* internal state */ |
149 | ||
8dd0c7cb | 150 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 151 | |
9882535b | 152 | int max_frame_cols; |
a168702a | 153 | |
8dd0c7cb | 154 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 155 | |
9882535b | 156 | int max_frame_lines; |
8dd0c7cb | 157 | |
ff11dfa1 | 158 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
159 | (Direct output does not count). */ |
160 | ||
ff11dfa1 | 161 | FRAME_PTR updating_frame; |
08a24c47 | 162 | |
0c72d684 KL |
163 | /* Non-zero if we have dropped our controlling tty and therefore |
164 | should not open a frame on stdout. */ | |
165 | static int no_controlling_tty; | |
166 | ||
07c57952 | 167 | /* Provided for lisp packages. */ |
a168702a | 168 | |
07c57952 KH |
169 | static int system_uses_terminfo; |
170 | ||
08a24c47 | 171 | char *tparam (); |
e4bfb3b6 RS |
172 | |
173 | extern char *tgetstr (); | |
08a24c47 | 174 | \f |
cb28b9c2 | 175 | |
1a89b7c6 AI |
176 | #ifdef WINDOWSNT |
177 | /* We aren't X windows, but we aren't termcap either. This makes me | |
178 | uncertain as to what value to use for frame.output_method. For | |
179 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
180 | output hooks get called instead of the termcap functions. Probably | |
181 | the best long-term solution is to define an output_windows_nt... */ | |
182 | ||
183 | #undef FRAME_TERMCAP_P | |
184 | #define FRAME_TERMCAP_P(_f_) 0 | |
185 | #endif /* WINDOWSNT */ | |
186 | ||
dfcf069d | 187 | void |
08a24c47 JB |
188 | ring_bell () |
189 | { | |
4ca927b4 | 190 | struct frame *f = XFRAME (selected_frame); |
6548cf00 | 191 | |
d284f58f | 192 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
193 | { |
194 | Lisp_Object function; | |
195 | ||
196 | /* Temporarily set the global variable to nil | |
197 | so that if we get an error, it stays nil | |
198 | and we don't call it over and over. | |
199 | ||
200 | We don't specbind it, because that would carefully | |
201 | restore the bad value if there's an error | |
202 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 203 | |
c291d9ef RS |
204 | function = Vring_bell_function; |
205 | Vring_bell_function = Qnil; | |
206 | ||
207 | call0 (function); | |
208 | ||
209 | Vring_bell_function = function; | |
08a24c47 | 210 | } |
428a555e KL |
211 | else if (FRAME_DISPLAY (f)->ring_bell_hook) |
212 | (*FRAME_DISPLAY (f)->ring_bell_hook) (); | |
08a24c47 JB |
213 | } |
214 | ||
da8e1115 KL |
215 | /* Ring the bell on a tty. */ |
216 | ||
3224dac1 KL |
217 | void |
218 | tty_ring_bell () | |
219 | { | |
4ca927b4 | 220 | struct frame *f = XFRAME (selected_frame); |
3224dac1 KL |
221 | struct tty_display_info *tty = FRAME_TTY (f); |
222 | ||
223 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
224 | ? tty->TS_visible_bell | |
225 | : tty->TS_bell)); | |
226 | } | |
227 | ||
da8e1115 KL |
228 | /* Set up termcap modes for Emacs. */ |
229 | ||
230 | void | |
231 | tty_set_terminal_modes (struct display *display) | |
fca177d4 | 232 | { |
3224dac1 KL |
233 | struct tty_display_info *tty = display->display_info.tty; |
234 | ||
fca177d4 KL |
235 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
236 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
237 | OUTPUT_IF (tty, tty->TS_keypad_mode); | |
238 | losecursor (tty); | |
239 | } | |
240 | ||
da8e1115 KL |
241 | /* Reset termcap modes before exiting Emacs. */ |
242 | ||
243 | void | |
244 | tty_reset_terminal_modes (struct display *display) | |
fca177d4 | 245 | { |
3224dac1 KL |
246 | struct tty_display_info *tty = display->display_info.tty; |
247 | ||
fca177d4 KL |
248 | turn_off_highlight (tty); |
249 | turn_off_insert (tty); | |
250 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); | |
251 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
252 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
253 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
254 | /* Output raw CR so kernel can track the cursor hpos. */ | |
255 | current_tty = tty; | |
256 | cmputc ('\r'); | |
257 | } | |
258 | ||
dfcf069d | 259 | void |
ff11dfa1 | 260 | update_begin (f) |
d284f58f | 261 | struct frame *f; |
08a24c47 | 262 | { |
ff11dfa1 | 263 | updating_frame = f; |
428a555e KL |
264 | if (FRAME_DISPLAY (f)->update_begin_hook) |
265 | (*FRAME_DISPLAY (f)->update_begin_hook) (f); | |
08a24c47 JB |
266 | } |
267 | ||
dfcf069d | 268 | void |
ff11dfa1 | 269 | update_end (f) |
d284f58f | 270 | struct frame *f; |
08a24c47 | 271 | { |
428a555e KL |
272 | if (FRAME_DISPLAY (f)->update_end_hook) |
273 | (*FRAME_DISPLAY (f)->update_end_hook) (f); | |
d284f58f | 274 | updating_frame = NULL; |
08a24c47 JB |
275 | } |
276 | ||
da8e1115 KL |
277 | /* Flag the end of a display update on a termcap display. */ |
278 | ||
3224dac1 KL |
279 | void |
280 | tty_update_end (struct frame *f) | |
281 | { | |
282 | struct tty_display_info *tty = FRAME_TTY (f); | |
283 | ||
284 | if (!XWINDOW (selected_window)->cursor_off_p) | |
285 | tty_show_cursor (tty); | |
286 | turn_off_insert (tty); | |
287 | background_highlight (tty); | |
288 | } | |
289 | ||
da8e1115 KL |
290 | /* Specify how many text lines, from the top of the window, |
291 | should be affected by insert-lines and delete-lines operations. | |
292 | This, and those operations, are used only within an update | |
293 | that is bounded by calls to update_begin and update_end. */ | |
294 | ||
dfcf069d | 295 | void |
08a24c47 JB |
296 | set_terminal_window (size) |
297 | int size; | |
298 | { | |
c3b4957f | 299 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 300 | |
428a555e KL |
301 | if (FRAME_DISPLAY (f)->set_terminal_window_hook) |
302 | (*FRAME_DISPLAY (f)->set_terminal_window_hook) (size); | |
3224dac1 KL |
303 | } |
304 | ||
da8e1115 KL |
305 | /* The implementation of set_terminal_window for termcap frames. */ |
306 | ||
3224dac1 KL |
307 | void |
308 | tty_set_terminal_window (int size) | |
309 | { | |
c3b4957f | 310 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
311 | |
312 | struct tty_display_info *tty = FRAME_TTY (f); | |
313 | ||
314 | tty->specified_window = size ? size : FRAME_LINES (f); | |
315 | if (FRAME_SCROLL_REGION_OK (f)) | |
316 | set_scroll_region (0, tty->specified_window); | |
08a24c47 JB |
317 | } |
318 | ||
dfcf069d | 319 | void |
08a24c47 JB |
320 | set_scroll_region (start, stop) |
321 | int start, stop; | |
322 | { | |
323 | char *buf; | |
c3b4957f | 324 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 325 | |
28d7d09f | 326 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 327 | |
fca177d4 KL |
328 | if (tty->TS_set_scroll_region) |
329 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
330 | else if (tty->TS_set_scroll_region_1) | |
331 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
332 | FRAME_LINES (f), start, |
333 | FRAME_LINES (f) - stop, | |
334 | FRAME_LINES (f)); | |
08a24c47 | 335 | else |
fca177d4 | 336 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 337 | |
6548cf00 | 338 | OUTPUT (tty, buf); |
9ac0d9e0 | 339 | xfree (buf); |
6548cf00 | 340 | losecursor (tty); |
08a24c47 | 341 | } |
d284f58f | 342 | |
08a24c47 | 343 | \f |
d284f58f | 344 | static void |
28d7d09f | 345 | turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 346 | { |
fca177d4 KL |
347 | if (!tty->insert_mode) |
348 | OUTPUT (tty, tty->TS_insert_mode); | |
349 | tty->insert_mode = 1; | |
08a24c47 JB |
350 | } |
351 | ||
dfcf069d | 352 | void |
28d7d09f | 353 | turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 354 | { |
fca177d4 KL |
355 | if (tty->insert_mode) |
356 | OUTPUT (tty, tty->TS_end_insert_mode); | |
357 | tty->insert_mode = 0; | |
08a24c47 JB |
358 | } |
359 | \f | |
54800acb | 360 | /* Handle highlighting. */ |
08a24c47 | 361 | |
dfcf069d | 362 | void |
28d7d09f | 363 | turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 364 | { |
fca177d4 KL |
365 | if (tty->standout_mode) |
366 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
367 | tty->standout_mode = 0; | |
08a24c47 JB |
368 | } |
369 | ||
d284f58f | 370 | static void |
28d7d09f | 371 | turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 372 | { |
fca177d4 KL |
373 | if (!tty->standout_mode) |
374 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
375 | tty->standout_mode = 1; | |
08a24c47 JB |
376 | } |
377 | ||
86a7d192 | 378 | static void |
28d7d09f | 379 | toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 380 | { |
fca177d4 KL |
381 | if (tty->standout_mode) |
382 | turn_off_highlight (tty); | |
86a7d192 | 383 | else |
fca177d4 | 384 | turn_on_highlight (tty); |
86a7d192 GM |
385 | } |
386 | ||
a168702a GM |
387 | |
388 | /* Make cursor invisible. */ | |
389 | ||
390 | static void | |
28d7d09f | 391 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 392 | { |
fca177d4 | 393 | if (tty->cursor_hidden == 0) |
d284f58f | 394 | { |
fca177d4 KL |
395 | tty->cursor_hidden = 1; |
396 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 397 | } |
a168702a GM |
398 | } |
399 | ||
400 | ||
401 | /* Ensure that cursor is visible. */ | |
402 | ||
403 | static void | |
28d7d09f | 404 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 405 | { |
fca177d4 | 406 | if (tty->cursor_hidden) |
d284f58f | 407 | { |
fca177d4 KL |
408 | tty->cursor_hidden = 0; |
409 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
410 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
d284f58f | 411 | } |
a168702a GM |
412 | } |
413 | ||
414 | ||
08a24c47 JB |
415 | /* Set standout mode to the state it should be in for |
416 | empty space inside windows. What this is, | |
417 | depends on the user option inverse-video. */ | |
418 | ||
dfcf069d | 419 | void |
28d7d09f | 420 | background_highlight (struct tty_display_info *tty) |
08a24c47 | 421 | { |
08a24c47 | 422 | if (inverse_video) |
fca177d4 | 423 | turn_on_highlight (tty); |
08a24c47 | 424 | else |
fca177d4 | 425 | turn_off_highlight (tty); |
08a24c47 JB |
426 | } |
427 | ||
428 | /* Set standout mode to the mode specified for the text to be output. */ | |
429 | ||
dfcf069d | 430 | static void |
28d7d09f | 431 | highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 432 | { |
8ede64a5 | 433 | if (inverse_video) |
fca177d4 | 434 | turn_on_highlight (tty); |
8ede64a5 | 435 | else |
fca177d4 | 436 | turn_off_highlight (tty); |
08a24c47 JB |
437 | } |
438 | \f | |
439 | ||
a168702a GM |
440 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
441 | frame-relative coordinates. */ | |
08a24c47 | 442 | |
dfcf069d | 443 | void |
a168702a GM |
444 | cursor_to (vpos, hpos) |
445 | int vpos, hpos; | |
08a24c47 | 446 | { |
c3b4957f | 447 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 448 | |
428a555e | 449 | if (FRAME_DISPLAY (f)->cursor_to_hook) |
3224dac1 KL |
450 | (*FRAME_DISPLAY (f)->cursor_to_hook) (vpos, hpos); |
451 | } | |
08a24c47 | 452 | |
3224dac1 KL |
453 | void |
454 | tty_cursor_to (int vpos, int hpos) | |
455 | { | |
c3b4957f | 456 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
457 | |
458 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 459 | |
36cae867 KH |
460 | /* Detect the case where we are called from reset_sys_modes |
461 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 462 | if (! tty->costs_set) |
36cae867 KH |
463 | return; |
464 | ||
6548cf00 KL |
465 | if (curY (tty) == vpos |
466 | && curX (tty) == hpos) | |
08a24c47 | 467 | return; |
fca177d4 KL |
468 | if (!tty->TF_standout_motion) |
469 | background_highlight (tty); | |
470 | if (!tty->TF_insmode_motion) | |
471 | turn_off_insert (tty); | |
6548cf00 | 472 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
473 | } |
474 | ||
475 | /* Similar but don't take any account of the wasted characters. */ | |
476 | ||
dfcf069d | 477 | void |
08a24c47 | 478 | raw_cursor_to (row, col) |
4746118a | 479 | int row, col; |
08a24c47 | 480 | { |
c3b4957f | 481 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 482 | |
428a555e | 483 | if (FRAME_DISPLAY (f)->raw_cursor_to_hook) |
3224dac1 KL |
484 | (*FRAME_DISPLAY (f)->raw_cursor_to_hook) (row, col); |
485 | } | |
486 | ||
487 | void | |
488 | tty_raw_cursor_to (int row, int col) | |
489 | { | |
c3b4957f | 490 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
491 | |
492 | struct tty_display_info *tty = FRAME_TTY (f); | |
493 | ||
6548cf00 KL |
494 | if (curY (tty) == row |
495 | && curX (tty) == col) | |
08a24c47 | 496 | return; |
fca177d4 KL |
497 | if (!tty->TF_standout_motion) |
498 | background_highlight (tty); | |
499 | if (!tty->TF_insmode_motion) | |
500 | turn_off_insert (tty); | |
6548cf00 | 501 | cmgoto (tty, row, col); |
08a24c47 JB |
502 | } |
503 | \f | |
504 | /* Erase operations */ | |
505 | ||
da8e1115 | 506 | /* Clear from cursor to end of frame. */ |
dfcf069d | 507 | void |
08a24c47 JB |
508 | clear_to_end () |
509 | { | |
c3b4957f | 510 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 511 | |
428a555e | 512 | if (FRAME_DISPLAY (f)->clear_to_end_hook) |
3224dac1 KL |
513 | (*FRAME_DISPLAY (f)->clear_to_end_hook) (); |
514 | } | |
515 | ||
da8e1115 KL |
516 | /* Clear from cursor to end of frame on a termcap device. */ |
517 | ||
3224dac1 KL |
518 | void |
519 | tty_clear_to_end (void) | |
520 | { | |
521 | register int i; | |
c3b4957f | 522 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
523 | struct tty_display_info *tty = FRAME_TTY (f); |
524 | ||
fca177d4 | 525 | if (tty->TS_clr_to_bottom) |
08a24c47 | 526 | { |
fca177d4 KL |
527 | background_highlight (tty); |
528 | OUTPUT (tty, tty->TS_clr_to_bottom); | |
08a24c47 JB |
529 | } |
530 | else | |
531 | { | |
6548cf00 | 532 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 JB |
533 | { |
534 | cursor_to (i, 0); | |
ed02974b | 535 | clear_end_of_line (FRAME_COLS (f)); |
08a24c47 JB |
536 | } |
537 | } | |
538 | } | |
539 | ||
ff11dfa1 | 540 | /* Clear entire frame */ |
08a24c47 | 541 | |
dfcf069d | 542 | void |
ff11dfa1 | 543 | clear_frame () |
08a24c47 | 544 | { |
6548cf00 | 545 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 546 | |
428a555e | 547 | if (FRAME_DISPLAY (f)->clear_frame_hook) |
3224dac1 KL |
548 | (*FRAME_DISPLAY (f)->clear_frame_hook) (); |
549 | } | |
550 | ||
da8e1115 KL |
551 | /* Clear an entire termcap frame. */ |
552 | ||
3224dac1 KL |
553 | void |
554 | tty_clear_frame () | |
555 | { | |
c3b4957f | 556 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
557 | |
558 | struct tty_display_info *tty = FRAME_TTY (f); | |
559 | ||
fca177d4 | 560 | if (tty->TS_clr_frame) |
08a24c47 | 561 | { |
fca177d4 KL |
562 | background_highlight (tty); |
563 | OUTPUT (tty, tty->TS_clr_frame); | |
6548cf00 | 564 | cmat (tty, 0, 0); |
08a24c47 JB |
565 | } |
566 | else | |
567 | { | |
568 | cursor_to (0, 0); | |
569 | clear_to_end (); | |
570 | } | |
571 | } | |
572 | ||
08a24c47 JB |
573 | /* Clear from cursor to end of line. |
574 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
575 | |
576 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
577 | ||
dfcf069d | 578 | void |
8ede64a5 | 579 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
580 | int first_unused_hpos; |
581 | { | |
c3b4957f | 582 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 583 | |
428a555e | 584 | if (FRAME_DISPLAY (f)->clear_end_of_line_hook) |
3224dac1 | 585 | (*FRAME_DISPLAY (f)->clear_end_of_line_hook) (first_unused_hpos); |
0a125897 | 586 | } |
6548cf00 | 587 | |
da8e1115 KL |
588 | /* An implementation of clear_end_of_line for termcap frames. |
589 | ||
590 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
591 | ||
0a125897 | 592 | void |
3224dac1 | 593 | tty_clear_end_of_line (int first_unused_hpos) |
0a125897 KL |
594 | { |
595 | register int i; | |
c3b4957f | 596 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
597 | struct tty_display_info *tty = FRAME_TTY (f); |
598 | ||
36cae867 KH |
599 | /* Detect the case where we are called from reset_sys_modes |
600 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 601 | if (! tty->costs_set) |
36cae867 KH |
602 | return; |
603 | ||
6548cf00 | 604 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 605 | return; |
fca177d4 KL |
606 | background_highlight (tty); |
607 | if (tty->TS_clr_line) | |
08a24c47 | 608 | { |
fca177d4 | 609 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
610 | } |
611 | else | |
612 | { /* have to do it the hard way */ | |
fca177d4 | 613 | turn_off_insert (tty); |
08a24c47 | 614 | |
a168702a | 615 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 616 | if (AutoWrap (tty) |
0a125897 KL |
617 | && curY (tty) == FrameRows (tty) - 1 |
618 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
619 | first_unused_hpos--; |
620 | ||
6548cf00 | 621 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 622 | { |
6548cf00 KL |
623 | if (TTY_TERMSCRIPT (tty)) |
624 | fputc (' ', TTY_TERMSCRIPT (tty)); | |
625 | fputc (' ', TTY_OUTPUT (tty)); | |
08a24c47 | 626 | } |
6548cf00 | 627 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
628 | } |
629 | } | |
630 | \f | |
a4decb7f KH |
631 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
632 | store them at DST. Do not write more than DST_LEN bytes. That may | |
633 | require stopping before all SRC_LEN input glyphs have been | |
634 | converted. | |
635 | ||
636 | We store the number of glyphs actually converted in *CONSUMED. The | |
637 | return value is the number of bytes store in DST. */ | |
638 | ||
639 | int | |
640 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 641 | struct glyph *src; |
a4decb7f KH |
642 | int src_len; |
643 | unsigned char *dst; | |
644 | int dst_len, *consumed; | |
645 | { | |
a168702a | 646 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 647 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 648 | register GLYPH g; |
405ea71c KR |
649 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH]; |
650 | const unsigned char *buf; | |
6589fd67 | 651 | int len; |
a4decb7f KH |
652 | register int tlen = GLYPH_TABLE_LENGTH; |
653 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 654 | int result; |
6589fd67 KH |
655 | struct coding_system *coding; |
656 | ||
1ac0700a KH |
657 | /* If terminal_coding does any conversion, use it, otherwise use |
658 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
659 | because it always return 1 if the member src_multibyte is 1. */ | |
660 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
661 | ? &terminal_coding |
662 | : &safe_terminal_coding); | |
a4decb7f KH |
663 | |
664 | while (src < src_end) | |
665 | { | |
a4decb7f | 666 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 667 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 668 | { |
32de38e4 KH |
669 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
670 | ||
671 | if (g < 0 || g >= tlen) | |
085d5908 | 672 | { |
32de38e4 KH |
673 | /* This glyph doesn't has an entry in Vglyph_table. */ |
674 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
675 | { | |
676 | len = 1; | |
677 | buf = " "; | |
f2ba40be | 678 | coding->src_multibyte = 0; |
32de38e4 KH |
679 | } |
680 | else | |
681 | { | |
682 | len = CHAR_STRING (src->u.ch, workbuf); | |
683 | buf = workbuf; | |
f2ba40be | 684 | coding->src_multibyte = 1; |
32de38e4 | 685 | } |
085d5908 | 686 | } |
32de38e4 | 687 | else |
a4decb7f | 688 | { |
32de38e4 | 689 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
690 | so process any alias before testing for simpleness. */ |
691 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
692 | |
693 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
694 | { | |
c989b7be KH |
695 | /* We set the multi-byte form of a character in G |
696 | (that should be an ASCII character) at | |
697 | WORKBUF. */ | |
698 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
699 | len = 1; | |
32de38e4 | 700 | buf = workbuf; |
f2ba40be | 701 | coding->src_multibyte = 0; |
32de38e4 KH |
702 | } |
703 | else | |
704 | { | |
705 | /* We have a string in Vglyph_table. */ | |
706 | len = GLYPH_LENGTH (tbase, g); | |
707 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 708 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 709 | } |
171d7f24 | 710 | } |
177c0ea7 | 711 | |
f3ac545f | 712 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 713 | len -= coding->consumed; |
6589fd67 | 714 | dst += coding->produced; |
f3ac545f KH |
715 | if (result == CODING_FINISH_INSUFFICIENT_DST |
716 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
717 | && len > dst_end - dst)) | |
718 | /* The remaining output buffer is too short. We must | |
719 | break the loop here without increasing SRC so that the | |
720 | next call of this function starts from the same glyph. */ | |
721 | break; | |
722 | ||
c42869c4 KH |
723 | if (len > 0) |
724 | { | |
f3ac545f KH |
725 | /* This is the case that a code of the range 0200..0237 |
726 | exists in buf. We must just write out such a code. */ | |
727 | buf += coding->consumed; | |
728 | while (len--) | |
729 | *dst++ = *buf++; | |
c42869c4 | 730 | } |
a4decb7f KH |
731 | } |
732 | src++; | |
733 | } | |
177c0ea7 | 734 | |
a4decb7f KH |
735 | *consumed = src - src_start; |
736 | return (dst - dst_start); | |
737 | } | |
738 | ||
08a24c47 | 739 | |
da8e1115 KL |
740 | /* Output LEN glyphs starting at STRING at the nominal cursor position. |
741 | Advance the nominal cursor over the text. */ | |
742 | ||
dfcf069d | 743 | void |
08a24c47 | 744 | write_glyphs (string, len) |
a168702a | 745 | register struct glyph *string; |
08a24c47 | 746 | register int len; |
3224dac1 | 747 | { |
c3b4957f | 748 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
749 | |
750 | if (FRAME_DISPLAY (f)->write_glyphs_hook) | |
751 | (*FRAME_DISPLAY (f)->write_glyphs_hook) (string, len); | |
752 | } | |
753 | ||
da8e1115 KL |
754 | /* An implementation of write_glyphs for termcap frames. */ |
755 | ||
3224dac1 KL |
756 | void |
757 | tty_write_glyphs (struct glyph *string, int len) | |
08a24c47 | 758 | { |
a4decb7f | 759 | int produced, consumed; |
d2fdb076 KH |
760 | unsigned char conversion_buffer[1024]; |
761 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 | 762 | |
c3b4957f | 763 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
08a24c47 | 764 | |
3224dac1 | 765 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 766 | |
fca177d4 KL |
767 | turn_off_insert (tty); |
768 | tty_hide_cursor (tty); | |
08a24c47 | 769 | |
a168702a | 770 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 771 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 772 | |
6548cf00 KL |
773 | if (AutoWrap (tty) |
774 | && curY (tty) + 1 == FRAME_LINES (f) | |
775 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 776 | len --; |
a4decb7f KH |
777 | if (len <= 0) |
778 | return; | |
08a24c47 | 779 | |
6548cf00 | 780 | cmplus (tty, len); |
177c0ea7 | 781 | |
6589fd67 KH |
782 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
783 | the tail. */ | |
784 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
177c0ea7 | 785 | |
a4decb7f | 786 | while (len > 0) |
08a24c47 | 787 | { |
a168702a | 788 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 789 | int face_id = string->face_id; |
a168702a | 790 | int n; |
177c0ea7 | 791 | |
a168702a | 792 | for (n = 1; n < len; ++n) |
32de38e4 | 793 | if (string[n].face_id != face_id) |
a168702a GM |
794 | break; |
795 | ||
796 | /* Turn appearance modes of the face of the run on. */ | |
fca177d4 | 797 | highlight_if_desired (tty); |
a168702a GM |
798 | turn_on_face (f, face_id); |
799 | ||
800 | while (n > 0) | |
08a24c47 | 801 | { |
d2fdb076 KH |
802 | /* We use a fixed size (1024 bytes) of conversion buffer. |
803 | Usually it is sufficient, but if not, we just repeat the | |
804 | loop. */ | |
a168702a GM |
805 | produced = encode_terminal_code (string, conversion_buffer, |
806 | n, conversion_buffer_size, | |
807 | &consumed); | |
808 | if (produced > 0) | |
809 | { | |
28d440ab | 810 | fwrite (conversion_buffer, 1, produced, |
6548cf00 KL |
811 | TTY_OUTPUT (tty)); |
812 | if (ferror (TTY_OUTPUT (tty))) | |
813 | clearerr (TTY_OUTPUT (tty)); | |
814 | if (TTY_TERMSCRIPT (tty)) | |
28d440ab | 815 | fwrite (conversion_buffer, 1, produced, |
6548cf00 | 816 | TTY_TERMSCRIPT (tty)); |
a168702a GM |
817 | } |
818 | len -= consumed; | |
819 | n -= consumed; | |
820 | string += consumed; | |
08a24c47 | 821 | } |
a168702a GM |
822 | |
823 | /* Turn appearance modes off. */ | |
824 | turn_off_face (f, face_id); | |
fca177d4 | 825 | turn_off_highlight (tty); |
a4decb7f | 826 | } |
177c0ea7 | 827 | |
a4decb7f | 828 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 829 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 830 | { |
6589fd67 | 831 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 832 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
833 | 0, conversion_buffer_size); |
834 | if (terminal_coding.produced > 0) | |
df8bf431 | 835 | { |
28d440ab | 836 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
6548cf00 KL |
837 | TTY_OUTPUT (tty)); |
838 | if (ferror (TTY_OUTPUT (tty))) | |
839 | clearerr (TTY_OUTPUT (tty)); | |
840 | if (TTY_TERMSCRIPT (tty)) | |
6589fd67 | 841 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
6548cf00 | 842 | TTY_TERMSCRIPT (tty)); |
df8bf431 | 843 | } |
08a24c47 | 844 | } |
177c0ea7 | 845 | |
6548cf00 | 846 | cmcheckmagic (tty); |
08a24c47 JB |
847 | } |
848 | ||
da8e1115 KL |
849 | /* Insert LEN glyphs from START at the nominal cursor position. |
850 | ||
851 | If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 852 | |
dfcf069d | 853 | void |
08a24c47 | 854 | insert_glyphs (start, len) |
a168702a | 855 | register struct glyph *start; |
08a24c47 JB |
856 | register int len; |
857 | { | |
c3b4957f | 858 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 859 | |
a4decb7f KH |
860 | if (len <= 0) |
861 | return; | |
862 | ||
428a555e | 863 | if (FRAME_DISPLAY (f)->insert_glyphs_hook) |
3224dac1 KL |
864 | (*FRAME_DISPLAY (f)->insert_glyphs_hook) (start, len); |
865 | } | |
a168702a | 866 | |
da8e1115 KL |
867 | /* An implementation of insert_glyphs for termcap frames. */ |
868 | ||
3224dac1 KL |
869 | void |
870 | tty_insert_glyphs (struct glyph *start, int len) | |
871 | { | |
872 | char *buf; | |
873 | struct glyph *glyph = NULL; | |
c3b4957f | 874 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
875 | |
876 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 877 | |
fca177d4 | 878 | if (tty->TS_ins_multi_chars) |
08a24c47 | 879 | { |
fca177d4 | 880 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 881 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 882 | xfree (buf); |
08a24c47 JB |
883 | if (start) |
884 | write_glyphs (start, len); | |
885 | return; | |
886 | } | |
887 | ||
fca177d4 | 888 | turn_on_insert (tty); |
6548cf00 | 889 | cmplus (tty, len); |
6589fd67 KH |
890 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
891 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 892 | while (len-- > 0) |
08a24c47 | 893 | { |
a4decb7f | 894 | int produced, consumed; |
d2fdb076 KH |
895 | unsigned char conversion_buffer[1024]; |
896 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 897 | |
fca177d4 | 898 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 899 | if (!start) |
32de38e4 KH |
900 | { |
901 | conversion_buffer[0] = SPACEGLYPH; | |
902 | produced = 1; | |
903 | } | |
08a24c47 | 904 | else |
08a24c47 | 905 | { |
fca177d4 | 906 | highlight_if_desired (tty); |
32de38e4 | 907 | turn_on_face (f, start->face_id); |
816be8b8 | 908 | glyph = start; |
a168702a | 909 | ++start; |
a4decb7f KH |
910 | /* We must open sufficient space for a character which |
911 | occupies more than one column. */ | |
a168702a | 912 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 913 | { |
fca177d4 | 914 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
915 | start++, len--; |
916 | } | |
a4decb7f | 917 | |
32de38e4 KH |
918 | if (len <= 0) |
919 | /* This is the last glyph. */ | |
920 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
921 | ||
d2fdb076 KH |
922 | /* The size of conversion buffer (1024 bytes) is surely |
923 | sufficient for just one glyph. */ | |
816be8b8 | 924 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
925 | conversion_buffer_size, &consumed); |
926 | } | |
a4decb7f | 927 | |
a4decb7f | 928 | if (produced > 0) |
08a24c47 | 929 | { |
28d440ab | 930 | fwrite (conversion_buffer, 1, produced, |
6548cf00 KL |
931 | TTY_OUTPUT (tty)); |
932 | if (ferror (TTY_OUTPUT (tty))) | |
933 | clearerr (TTY_OUTPUT (tty)); | |
934 | if (TTY_TERMSCRIPT (tty)) | |
28d440ab | 935 | fwrite (conversion_buffer, 1, produced, |
6548cf00 | 936 | TTY_TERMSCRIPT (tty)); |
08a24c47 JB |
937 | } |
938 | ||
fca177d4 | 939 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 940 | if (start) |
65aa5e85 GM |
941 | { |
942 | turn_off_face (f, glyph->face_id); | |
fca177d4 | 943 | turn_off_highlight (tty); |
65aa5e85 | 944 | } |
9a6b6f92 | 945 | } |
177c0ea7 | 946 | |
6548cf00 | 947 | cmcheckmagic (tty); |
08a24c47 JB |
948 | } |
949 | ||
da8e1115 KL |
950 | /* Delete N glyphs at the nominal cursor position. */ |
951 | ||
dfcf069d | 952 | void |
08a24c47 JB |
953 | delete_glyphs (n) |
954 | register int n; | |
955 | { | |
c3b4957f | 956 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
08a24c47 | 957 | |
428a555e | 958 | if (FRAME_DISPLAY (f)->delete_glyphs_hook) |
3224dac1 KL |
959 | (*FRAME_DISPLAY (f)->delete_glyphs_hook) (n); |
960 | } | |
08a24c47 | 961 | |
da8e1115 KL |
962 | /* An implementation of delete_glyphs for termcap frames. */ |
963 | ||
3224dac1 KL |
964 | void |
965 | tty_delete_glyphs (int n) | |
966 | { | |
967 | char *buf; | |
968 | register int i; | |
c3b4957f | 969 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
970 | |
971 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 972 | |
fca177d4 | 973 | if (tty->delete_in_insert_mode) |
08a24c47 | 974 | { |
fca177d4 | 975 | turn_on_insert (tty); |
08a24c47 JB |
976 | } |
977 | else | |
978 | { | |
fca177d4 KL |
979 | turn_off_insert (tty); |
980 | OUTPUT_IF (tty, tty->TS_delete_mode); | |
08a24c47 | 981 | } |
daf01701 | 982 | |
fca177d4 | 983 | if (tty->TS_del_multi_chars) |
08a24c47 | 984 | { |
fca177d4 | 985 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 986 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 987 | xfree (buf); |
08a24c47 JB |
988 | } |
989 | else | |
990 | for (i = 0; i < n; i++) | |
fca177d4 KL |
991 | OUTPUT1 (tty, tty->TS_del_char); |
992 | if (!tty->delete_in_insert_mode) | |
993 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
994 | } |
995 | \f | |
996 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
997 | ||
dfcf069d | 998 | void |
08a24c47 JB |
999 | ins_del_lines (vpos, n) |
1000 | int vpos, n; | |
1001 | { | |
c3b4957f | 1002 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 1003 | |
428a555e | 1004 | if (FRAME_DISPLAY (f)->ins_del_lines_hook) |
3224dac1 KL |
1005 | (*FRAME_DISPLAY (f)->ins_del_lines_hook) (vpos, n); |
1006 | } | |
1007 | ||
da8e1115 KL |
1008 | /* An implementation of ins_del_lines for termcap frames. */ |
1009 | ||
3224dac1 KL |
1010 | void |
1011 | tty_ins_del_lines (int vpos, int n) | |
1012 | { | |
c3b4957f | 1013 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
1014 | |
1015 | struct tty_display_info *tty = FRAME_TTY (f); | |
1016 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1017 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1018 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
1019 | ||
1020 | register int i = n > 0 ? n : -n; | |
1021 | register char *buf; | |
1022 | ||
1023 | /* If the lines below the insertion are being pushed | |
1024 | into the end of the window, this is the same as clearing; | |
1025 | and we know the lines are already clear, since the matching | |
1026 | deletion has already been done. So can ignore this. */ | |
1027 | /* If the lines below the deletion are blank lines coming | |
1028 | out of the end of the window, don't bother, | |
1029 | as there will be a matching inslines later that will flush them. */ | |
1030 | if (FRAME_SCROLL_REGION_OK (f) | |
1031 | && vpos + i >= tty->specified_window) | |
1032 | return; | |
1033 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
1034 | && vpos + i >= FRAME_LINES (f)) | |
1035 | return; | |
1036 | ||
1037 | if (multi) | |
08a24c47 | 1038 | { |
3224dac1 KL |
1039 | raw_cursor_to (vpos, 0); |
1040 | background_highlight (tty); | |
1041 | buf = tparam (multi, 0, 0, i); | |
1042 | OUTPUT (tty, buf); | |
1043 | xfree (buf); | |
1044 | } | |
1045 | else if (single) | |
1046 | { | |
1047 | raw_cursor_to (vpos, 0); | |
1048 | background_highlight (tty); | |
1049 | while (--i >= 0) | |
1050 | OUTPUT (tty, single); | |
1051 | if (tty->TF_teleray) | |
1052 | curX (tty) = 0; | |
08a24c47 | 1053 | } |
08a24c47 JB |
1054 | else |
1055 | { | |
3224dac1 KL |
1056 | set_scroll_region (vpos, tty->specified_window); |
1057 | if (n < 0) | |
1058 | raw_cursor_to (tty->specified_window - 1, 0); | |
08a24c47 | 1059 | else |
3224dac1 KL |
1060 | raw_cursor_to (vpos, 0); |
1061 | background_highlight (tty); | |
1062 | while (--i >= 0) | |
1063 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
1064 | set_scroll_region (0, tty->specified_window); | |
1065 | } | |
1066 | ||
1067 | if (!FRAME_SCROLL_REGION_OK (f) | |
1068 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1069 | && n < 0) | |
1070 | { | |
1071 | cursor_to (FRAME_LINES (f) + n, 0); | |
1072 | clear_to_end (); | |
08a24c47 JB |
1073 | } |
1074 | } | |
1075 | \f | |
1076 | /* Compute cost of sending "str", in characters, | |
1077 | not counting any line-dependent padding. */ | |
1078 | ||
1079 | int | |
1080 | string_cost (str) | |
1081 | char *str; | |
1082 | { | |
1083 | cost = 0; | |
1084 | if (str) | |
1085 | tputs (str, 0, evalcost); | |
1086 | return cost; | |
1087 | } | |
1088 | ||
1089 | /* Compute cost of sending "str", in characters, | |
1090 | counting any line-dependent padding at one line. */ | |
1091 | ||
1092 | static int | |
1093 | string_cost_one_line (str) | |
1094 | char *str; | |
1095 | { | |
1096 | cost = 0; | |
1097 | if (str) | |
1098 | tputs (str, 1, evalcost); | |
1099 | return cost; | |
1100 | } | |
1101 | ||
1102 | /* Compute per line amount of line-dependent padding, | |
1103 | in tenths of characters. */ | |
1104 | ||
1105 | int | |
1106 | per_line_cost (str) | |
1107 | register char *str; | |
1108 | { | |
1109 | cost = 0; | |
1110 | if (str) | |
1111 | tputs (str, 0, evalcost); | |
1112 | cost = - cost; | |
1113 | if (str) | |
1114 | tputs (str, 10, evalcost); | |
1115 | return cost; | |
1116 | } | |
1117 | ||
1118 | #ifndef old | |
1119 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1120 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1121 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1122 | |
1123 | int *char_ins_del_vector; | |
1124 | ||
9882535b | 1125 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1126 | #endif |
1127 | ||
1128 | /* ARGSUSED */ | |
1129 | static void | |
fca177d4 KL |
1130 | calculate_ins_del_char_costs (f) |
1131 | FRAME_PTR f; | |
08a24c47 | 1132 | { |
28d7d09f | 1133 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1134 | int ins_startup_cost, del_startup_cost; |
1135 | int ins_cost_per_char, del_cost_per_char; | |
1136 | register int i; | |
1137 | register int *p; | |
1138 | ||
fca177d4 | 1139 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1140 | { |
1141 | ins_cost_per_char = 0; | |
fca177d4 | 1142 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1143 | } |
fca177d4 KL |
1144 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1145 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1146 | { |
fca177d4 KL |
1147 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1148 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1149 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1150 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1151 | } |
1152 | else | |
1153 | { | |
1154 | ins_startup_cost = 9999; | |
1155 | ins_cost_per_char = 0; | |
1156 | } | |
1157 | ||
fca177d4 | 1158 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1159 | { |
1160 | del_cost_per_char = 0; | |
fca177d4 | 1161 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1162 | } |
fca177d4 | 1163 | else if (tty->TS_del_char) |
08a24c47 | 1164 | { |
fca177d4 KL |
1165 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1166 | + string_cost (tty->TS_end_delete_mode)); | |
1167 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1168 | del_startup_cost /= 2; |
fca177d4 | 1169 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1170 | } |
1171 | else | |
1172 | { | |
1173 | del_startup_cost = 9999; | |
1174 | del_cost_per_char = 0; | |
1175 | } | |
1176 | ||
1177 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1178 | p = &char_ins_del_cost (f)[0]; |
1179 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1180 | *--p = (del_startup_cost += del_cost_per_char); |
1181 | ||
1182 | /* Doing nothing is free */ | |
fca177d4 | 1183 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1184 | *p++ = 0; |
1185 | ||
1186 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1187 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1188 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1189 | } | |
1190 | ||
dfcf069d | 1191 | void |
ff11dfa1 JB |
1192 | calculate_costs (frame) |
1193 | FRAME_PTR frame; | |
08a24c47 | 1194 | { |
9f732a77 | 1195 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1196 | |
28d440ab | 1197 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1198 | { |
1199 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1200 | register char *f = (tty->TS_set_scroll_region | |
1201 | ? tty->TS_set_scroll_region | |
1202 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1203 | |
daf01701 | 1204 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1205 | |
daf01701 | 1206 | tty->costs_set = 1; |
08a24c47 | 1207 | |
daf01701 KL |
1208 | /* These variables are only used for terminal stuff. They are |
1209 | allocated once for the terminal frame of X-windows emacs, but not | |
1210 | used afterwards. | |
8dd0c7cb | 1211 | |
daf01701 KL |
1212 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1213 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1214 | |
daf01701 KL |
1215 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1216 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1217 | |
daf01701 KL |
1218 | if (char_ins_del_vector != 0) |
1219 | char_ins_del_vector | |
1220 | = (int *) xrealloc (char_ins_del_vector, | |
1221 | (sizeof (int) | |
1222 | + 2 * max_frame_cols * sizeof (int))); | |
1223 | else | |
1224 | char_ins_del_vector | |
1225 | = (int *) xmalloc (sizeof (int) | |
1226 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1227 | |
daf01701 KL |
1228 | bzero (char_ins_del_vector, (sizeof (int) |
1229 | + 2 * max_frame_cols * sizeof (int))); | |
1230 | ||
1231 | ||
1232 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1233 | do_line_insertion_deletion_costs (frame, | |
1234 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1235 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1236 | f, f, 1); | |
1237 | else | |
1238 | do_line_insertion_deletion_costs (frame, | |
1239 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1240 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1241 | 0, 0, 1); | |
1242 | ||
1243 | calculate_ins_del_char_costs (frame); | |
1244 | ||
1245 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1246 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1247 | tty->RPov = string_cost (tty->TS_repeat); | |
1248 | else | |
1249 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1250 | |
daf01701 KL |
1251 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1252 | } | |
08a24c47 JB |
1253 | } |
1254 | \f | |
a796ac82 JB |
1255 | struct fkey_table { |
1256 | char *cap, *name; | |
1257 | }; | |
1258 | ||
01d8deb0 ER |
1259 | /* Termcap capability names that correspond directly to X keysyms. |
1260 | Some of these (marked "terminfo") aren't supplied by old-style | |
1261 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1262 | except we put the keypad keys first, so that if they clash with | |
1263 | other keys (as on the IBM PC keyboard) they get overridden. | |
1264 | */ | |
1265 | ||
a168702a GM |
1266 | static struct fkey_table keys[] = |
1267 | { | |
8103ad1a PJ |
1268 | {"kh", "home"}, /* termcap */ |
1269 | {"kl", "left"}, /* termcap */ | |
1270 | {"ku", "up"}, /* termcap */ | |
1271 | {"kr", "right"}, /* termcap */ | |
1272 | {"kd", "down"}, /* termcap */ | |
1273 | {"%8", "prior"}, /* terminfo */ | |
1274 | {"%5", "next"}, /* terminfo */ | |
1275 | {"@7", "end"}, /* terminfo */ | |
1276 | {"@1", "begin"}, /* terminfo */ | |
1277 | {"*6", "select"}, /* terminfo */ | |
1278 | {"%9", "print"}, /* terminfo */ | |
1279 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1280 | /* |
1281 | * "insert" --- see below | |
1282 | */ | |
8103ad1a PJ |
1283 | {"&8", "undo"}, /* terminfo */ |
1284 | {"%0", "redo"}, /* terminfo */ | |
1285 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1286 | {"@0", "find"}, /* terminfo */ | |
1287 | {"@2", "cancel"}, /* terminfo */ | |
1288 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1289 | /* |
1290 | * "break" goes here, but can't be reliably intercepted with termcap | |
1291 | */ | |
8103ad1a | 1292 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1293 | /* |
1294 | * "system" and "user" --- no termcaps | |
1295 | */ | |
8103ad1a PJ |
1296 | {"kE", "clearline"}, /* terminfo */ |
1297 | {"kA", "insertline"}, /* terminfo */ | |
1298 | {"kL", "deleteline"}, /* terminfo */ | |
1299 | {"kI", "insertchar"}, /* terminfo */ | |
1300 | {"kD", "deletechar"}, /* terminfo */ | |
1301 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1302 | /* |
1303 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1304 | */ | |
8103ad1a | 1305 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1306 | /* |
1307 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1308 | * "kp-multiply", "kp-add", "kp-separator", | |
1309 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1310 | * --- no termcaps for any of these. | |
1311 | */ | |
8103ad1a | 1312 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1313 | /* |
1314 | * "kp-2" --- no termcap | |
1315 | */ | |
8103ad1a | 1316 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1317 | /* |
1318 | * "kp-4" --- no termcap | |
1319 | */ | |
8103ad1a | 1320 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1321 | /* |
1322 | * "kp-6" --- no termcap | |
1323 | */ | |
8103ad1a | 1324 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1325 | /* |
1326 | * "kp-8" --- no termcap | |
1327 | */ | |
8103ad1a | 1328 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1329 | /* |
1330 | * "kp-equal" --- no termcap | |
1331 | */ | |
8103ad1a PJ |
1332 | {"k1", "f1"}, |
1333 | {"k2", "f2"}, | |
1334 | {"k3", "f3"}, | |
1335 | {"k4", "f4"}, | |
1336 | {"k5", "f5"}, | |
1337 | {"k6", "f6"}, | |
1338 | {"k7", "f7"}, | |
1339 | {"k8", "f8"}, | |
1340 | {"k9", "f9"} | |
a796ac82 JB |
1341 | }; |
1342 | ||
f2a00342 RM |
1343 | static char **term_get_fkeys_arg; |
1344 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1345 | |
01d8deb0 | 1346 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1347 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1348 | adds entries to Vfunction_key_map for each function key it finds. */ |
1349 | ||
5c2c7893 JB |
1350 | void |
1351 | term_get_fkeys (address) | |
1352 | char **address; | |
f2a00342 RM |
1353 | { |
1354 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1355 | errors during the call. The only errors should be from Fdefine_key | |
1356 | when given a key sequence containing an invalid prefix key. If the | |
1357 | termcap defines function keys which use a prefix that is already bound | |
1358 | to a command by the default bindings, we should silently ignore that | |
1359 | function key specification, rather than giving the user an error and | |
1360 | refusing to run at all on such a terminal. */ | |
1361 | ||
1362 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1363 | term_get_fkeys_arg = address; |
1364 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1365 | } | |
1366 | ||
1367 | static Lisp_Object | |
1368 | term_get_fkeys_1 () | |
5c2c7893 | 1369 | { |
5c2c7893 JB |
1370 | int i; |
1371 | ||
37085233 | 1372 | char **address = term_get_fkeys_arg; |
f778aff2 | 1373 | |
3e65092f RS |
1374 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1375 | if (!initialized) | |
1376 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1377 | ||
5c2c7893 JB |
1378 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1379 | { | |
1380 | char *sequence = tgetstr (keys[i].cap, address); | |
1381 | if (sequence) | |
f2a00342 RM |
1382 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1383 | Fmake_vector (make_number (1), | |
1384 | intern (keys[i].name))); | |
5c2c7893 | 1385 | } |
a796ac82 JB |
1386 | |
1387 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1388 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1389 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1390 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1391 | */ | |
1392 | { | |
1393 | char *k_semi = tgetstr ("k;", address); | |
1394 | char *k0 = tgetstr ("k0", address); | |
1395 | char *k0_name = "f10"; | |
1396 | ||
1397 | if (k_semi) | |
1398 | { | |
95c11956 SM |
1399 | if (k0) |
1400 | /* Define f0 first, so that f10 takes precedence in case the | |
1401 | key sequences happens to be the same. */ | |
1402 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1403 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1404 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1405 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1406 | } |
95c11956 | 1407 | else if (k0) |
f2a00342 RM |
1408 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1409 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1410 | } |
01d8deb0 ER |
1411 | |
1412 | /* Set up cookies for numbered function keys above f10. */ | |
1413 | { | |
1414 | char fcap[3], fkey[4]; | |
1415 | ||
fc4f24da | 1416 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1417 | for (i = 11; i < 64; i++) |
1418 | { | |
1419 | if (i <= 19) | |
1420 | fcap[1] = '1' + i - 11; | |
1421 | else if (i <= 45) | |
b59ab95c | 1422 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1423 | else |
b59ab95c | 1424 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1425 | |
fc4f24da RS |
1426 | { |
1427 | char *sequence = tgetstr (fcap, address); | |
1428 | if (sequence) | |
1429 | { | |
465db27b | 1430 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1431 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1432 | Fmake_vector (make_number (1), | |
1433 | intern (fkey))); | |
fc4f24da RS |
1434 | } |
1435 | } | |
01d8deb0 ER |
1436 | } |
1437 | } | |
1438 | ||
1439 | /* | |
1440 | * Various mappings to try and get a better fit. | |
1441 | */ | |
1442 | { | |
fc4f24da RS |
1443 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1444 | if (!tgetstr (cap1, address)) \ | |
1445 | { \ | |
1446 | char *sequence = tgetstr (cap2, address); \ | |
1447 | if (sequence) \ | |
f2a00342 RM |
1448 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1449 | Fmake_vector (make_number (1), \ | |
1450 | intern (sym))); \ | |
fc4f24da | 1451 | } |
177c0ea7 | 1452 | |
01d8deb0 | 1453 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1454 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1455 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1456 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1457 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1458 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1459 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1460 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1461 | |
1462 | /* IBM has their own non-standard dialect of terminfo. | |
1463 | If the standard name isn't found, try the IBM name. */ | |
1464 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1465 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1466 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1467 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1468 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1469 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1470 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1471 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1472 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1473 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1474 | } |
a168702a GM |
1475 | |
1476 | return Qnil; | |
5c2c7893 JB |
1477 | } |
1478 | ||
1479 | \f | |
a168702a GM |
1480 | /*********************************************************************** |
1481 | Character Display Information | |
1482 | ***********************************************************************/ | |
1483 | ||
1484 | static void append_glyph P_ ((struct it *)); | |
1485 | ||
1486 | ||
1487 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1488 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1489 | for which to produce glyphs; IT->face_id contains the character's | |
1490 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1491 | 1. */ | |
177c0ea7 | 1492 | |
a168702a GM |
1493 | static void |
1494 | append_glyph (it) | |
1495 | struct it *it; | |
1496 | { | |
1497 | struct glyph *glyph, *end; | |
1498 | int i; | |
1499 | ||
1500 | xassert (it->glyph_row); | |
1501 | glyph = (it->glyph_row->glyphs[it->area] | |
1502 | + it->glyph_row->used[it->area]); | |
1503 | end = it->glyph_row->glyphs[1 + it->area]; | |
1504 | ||
177c0ea7 JB |
1505 | for (i = 0; |
1506 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1507 | ++i) |
1508 | { | |
1509 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1510 | glyph->pixel_width = 1; |
32de38e4 KH |
1511 | glyph->u.ch = it->c; |
1512 | glyph->face_id = it->face_id; | |
1513 | glyph->padding_p = i > 0; | |
a168702a GM |
1514 | glyph->charpos = CHARPOS (it->position); |
1515 | glyph->object = it->object; | |
177c0ea7 | 1516 | |
a168702a GM |
1517 | ++it->glyph_row->used[it->area]; |
1518 | ++glyph; | |
1519 | } | |
1520 | } | |
1521 | ||
1522 | ||
b50fe468 RS |
1523 | /* Produce glyphs for the display element described by IT. *IT |
1524 | specifies what we want to produce a glyph for (character, image, ...), | |
1525 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1526 | produce_glyphs fills in output fields of *IT with information such as the | |
1527 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1528 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1529 | struct display_iterator in dispextern.h for an overview. |
1530 | ||
1531 | produce_glyphs also stores the result of glyph width, ascent | |
1532 | etc. computations in *IT. | |
1533 | ||
1534 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1535 | actually fill in the glyphs. This is used in the move_* functions | |
1536 | in xdisp.c for text width and height computations. | |
1537 | ||
1538 | Callers usually don't call produce_glyphs directly; | |
1539 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1540 | |
177c0ea7 | 1541 | void |
a168702a GM |
1542 | produce_glyphs (it) |
1543 | struct it *it; | |
1544 | { | |
1545 | /* If a hook is installed, let it do the work. */ | |
1546 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1547 | || it->what == IT_COMPOSITION |
a168702a GM |
1548 | || it->what == IT_IMAGE |
1549 | || it->what == IT_STRETCH); | |
177c0ea7 | 1550 | |
c7cba11d KH |
1551 | /* Nothing but characters are supported on terminal frames. For a |
1552 | composition sequence, it->c is the first character of the | |
1553 | sequence. */ | |
1554 | xassert (it->what == IT_CHARACTER | |
1555 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1556 | |
1557 | if (it->c >= 040 && it->c < 0177) | |
1558 | { | |
1559 | it->pixel_width = it->nglyphs = 1; | |
1560 | if (it->glyph_row) | |
1561 | append_glyph (it); | |
1562 | } | |
1563 | else if (it->c == '\n') | |
1564 | it->pixel_width = it->nglyphs = 0; | |
1565 | else if (it->c == '\t') | |
1566 | { | |
2efdbcdd | 1567 | int absolute_x = (it->current_x |
a168702a | 1568 | + it->continuation_lines_width); |
177c0ea7 JB |
1569 | int next_tab_x |
1570 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1571 | / it->tab_width) |
1572 | * it->tab_width); | |
1573 | int nspaces; | |
1574 | ||
1575 | /* If part of the TAB has been displayed on the previous line | |
1576 | which is continued now, continuation_lines_width will have | |
1577 | been incremented already by the part that fitted on the | |
1578 | continued line. So, we will get the right number of spaces | |
1579 | here. */ | |
1580 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1581 | |
a168702a GM |
1582 | if (it->glyph_row) |
1583 | { | |
1584 | int n = nspaces; | |
177c0ea7 | 1585 | |
a168702a GM |
1586 | it->c = ' '; |
1587 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1588 | |
a168702a GM |
1589 | while (n--) |
1590 | append_glyph (it); | |
177c0ea7 | 1591 | |
a168702a GM |
1592 | it->c = '\t'; |
1593 | } | |
1594 | ||
1595 | it->pixel_width = nspaces; | |
1596 | it->nglyphs = nspaces; | |
1597 | } | |
add44890 EZ |
1598 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1599 | { | |
cf872af5 | 1600 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1601 | must send the code as is to the terminal. Although there's |
1602 | no way to know how many columns it occupies on a screen, it | |
1603 | is a good assumption that a single byte code has 1-column | |
1604 | width. */ | |
1605 | it->pixel_width = it->nglyphs = 1; | |
1606 | if (it->glyph_row) | |
1607 | append_glyph (it); | |
1608 | } | |
a168702a GM |
1609 | else |
1610 | { | |
c7cba11d KH |
1611 | /* A multi-byte character. The display width is fixed for all |
1612 | characters of the set. Some of the glyphs may have to be | |
1613 | ignored because they are already displayed in a continued | |
1614 | line. */ | |
a168702a GM |
1615 | int charset = CHAR_CHARSET (it->c); |
1616 | ||
c7cba11d | 1617 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1618 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1619 | |
a168702a GM |
1620 | if (it->glyph_row) |
1621 | append_glyph (it); | |
1622 | } | |
1623 | ||
177c0ea7 | 1624 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1625 | the caller. */ |
1626 | if (it->area == TEXT_AREA) | |
1627 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1628 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1629 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1630 | } |
1631 | ||
1632 | ||
1633 | /* Get information about special display element WHAT in an | |
1634 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1635 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1636 | non-null glyph_row member. This function ensures that fields like | |
1637 | face_id, c, len of IT are left untouched. */ | |
1638 | ||
1639 | void | |
1640 | produce_special_glyphs (it, what) | |
1641 | struct it *it; | |
1642 | enum display_element_type what; | |
1643 | { | |
1644 | struct it temp_it; | |
177c0ea7 | 1645 | |
a168702a GM |
1646 | temp_it = *it; |
1647 | temp_it.dp = NULL; | |
1648 | temp_it.what = IT_CHARACTER; | |
1649 | temp_it.len = 1; | |
7c752c80 | 1650 | temp_it.object = make_number (0); |
a168702a GM |
1651 | bzero (&temp_it.current, sizeof temp_it.current); |
1652 | ||
1653 | if (what == IT_CONTINUATION) | |
1654 | { | |
1655 | /* Continuation glyph. */ | |
1656 | if (it->dp | |
1657 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1658 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1659 | { | |
1660 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1661 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1662 | } |
1663 | else | |
1664 | temp_it.c = '\\'; | |
177c0ea7 | 1665 | |
a168702a GM |
1666 | produce_glyphs (&temp_it); |
1667 | it->pixel_width = temp_it.pixel_width; | |
1668 | it->nglyphs = temp_it.pixel_width; | |
1669 | } | |
1670 | else if (what == IT_TRUNCATION) | |
1671 | { | |
1672 | /* Truncation glyph. */ | |
1673 | if (it->dp | |
1674 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1675 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1676 | { | |
1677 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1678 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1679 | } |
1680 | else | |
1681 | temp_it.c = '$'; | |
177c0ea7 | 1682 | |
a168702a GM |
1683 | produce_glyphs (&temp_it); |
1684 | it->pixel_width = temp_it.pixel_width; | |
1685 | it->nglyphs = temp_it.pixel_width; | |
1686 | } | |
1687 | else | |
1688 | abort (); | |
1689 | } | |
1690 | ||
1691 | ||
a168702a GM |
1692 | \f |
1693 | /*********************************************************************** | |
1694 | Faces | |
1695 | ***********************************************************************/ | |
1696 | ||
4e6ba4a4 GM |
1697 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1698 | one of the enumerators from enum no_color_bit, or a bit set built | |
1699 | from them. Some display attributes may not be used together with | |
1700 | color; the termcap capability `NC' specifies which ones. */ | |
1701 | ||
fca177d4 KL |
1702 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1703 | (tty->TN_max_colors > 0 \ | |
1704 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1705 | : 1) | |
a168702a GM |
1706 | |
1707 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1708 | ||
1709 | static void | |
1710 | turn_on_face (f, face_id) | |
1711 | struct frame *f; | |
1712 | int face_id; | |
1713 | { | |
1714 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1715 | long fg = face->foreground; |
1716 | long bg = face->background; | |
28d7d09f | 1717 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1718 | |
86a7d192 GM |
1719 | /* Do this first because TS_end_standout_mode may be the same |
1720 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1721 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1722 | { |
fca177d4 | 1723 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1724 | { |
1725 | if (fg >= 0 && bg >= 0) | |
1726 | { | |
1727 | /* If the terminal supports colors, we can set them | |
1728 | below without using reverse video. The face's fg | |
1729 | and bg colors are set as they should appear on | |
1730 | the screen, i.e. they take the inverse-video'ness | |
1731 | of the face already into account. */ | |
1732 | } | |
1733 | else if (inverse_video) | |
1734 | { | |
1735 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1736 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1737 | toggle_highlight (tty); |
86a7d192 GM |
1738 | } |
1739 | else | |
1740 | { | |
1741 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1742 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1743 | toggle_highlight (tty); |
86a7d192 GM |
1744 | } |
1745 | } | |
1746 | else | |
1747 | { | |
1748 | /* If we can't display colors, use reverse video | |
1749 | if the face specifies that. */ | |
37526b42 GM |
1750 | if (inverse_video) |
1751 | { | |
1752 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1753 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1754 | toggle_highlight (tty); |
37526b42 GM |
1755 | } |
1756 | else | |
1757 | { | |
1758 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1759 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1760 | toggle_highlight (tty); |
37526b42 | 1761 | } |
86a7d192 GM |
1762 | } |
1763 | } | |
a168702a GM |
1764 | |
1765 | if (face->tty_bold_p) | |
4e6ba4a4 | 1766 | { |
fca177d4 KL |
1767 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1768 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1769 | } |
a168702a | 1770 | else if (face->tty_dim_p) |
fca177d4 KL |
1771 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1772 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1773 | |
1774 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1775 | if (face->tty_alt_charset_p |
fca177d4 KL |
1776 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1777 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1778 | |
4e6ba4a4 | 1779 | if (face->tty_blinking_p |
fca177d4 KL |
1780 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1781 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1782 | |
fca177d4 KL |
1783 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1784 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1785 | |
fca177d4 | 1786 | if (tty->TN_max_colors > 0) |
a168702a GM |
1787 | { |
1788 | char *p; | |
177c0ea7 | 1789 | |
fca177d4 | 1790 | if (fg >= 0 && tty->TS_set_foreground) |
a168702a | 1791 | { |
fca177d4 | 1792 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) fg); |
6548cf00 | 1793 | OUTPUT (tty, p); |
a168702a GM |
1794 | xfree (p); |
1795 | } | |
1796 | ||
fca177d4 | 1797 | if (bg >= 0 && tty->TS_set_background) |
a168702a | 1798 | { |
fca177d4 | 1799 | p = tparam (tty->TS_set_background, NULL, 0, (int) bg); |
6548cf00 | 1800 | OUTPUT (tty, p); |
a168702a GM |
1801 | xfree (p); |
1802 | } | |
1803 | } | |
1804 | } | |
177c0ea7 | 1805 | |
a168702a GM |
1806 | |
1807 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1808 | ||
1809 | static void | |
1810 | turn_off_face (f, face_id) | |
1811 | struct frame *f; | |
1812 | int face_id; | |
1813 | { | |
1814 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1815 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1816 | |
1817 | xassert (face != NULL); | |
1818 | ||
fca177d4 | 1819 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1820 | { |
1821 | /* Capability "me" will turn off appearance modes double-bright, | |
1822 | half-bright, reverse-video, standout, underline. It may or | |
1823 | may not turn off alt-char-mode. */ | |
1824 | if (face->tty_bold_p | |
1825 | || face->tty_dim_p | |
1826 | || face->tty_reverse_p | |
1827 | || face->tty_alt_charset_p | |
1828 | || face->tty_blinking_p | |
1829 | || face->tty_underline_p) | |
65aa5e85 | 1830 | { |
fca177d4 KL |
1831 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1832 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1833 | tty->standout_mode = 0; | |
65aa5e85 | 1834 | } |
a168702a GM |
1835 | |
1836 | if (face->tty_alt_charset_p) | |
fca177d4 | 1837 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1838 | } |
1839 | else | |
1840 | { | |
1841 | /* If we don't have "me" we can only have those appearances | |
1842 | that have exit sequences defined. */ | |
1843 | if (face->tty_alt_charset_p) | |
fca177d4 | 1844 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1845 | |
54800acb | 1846 | if (face->tty_underline_p) |
fca177d4 | 1847 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1848 | } |
1849 | ||
1850 | /* Switch back to default colors. */ | |
fca177d4 | 1851 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1852 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1853 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1854 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1855 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1856 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1857 | } |
177c0ea7 JB |
1858 | |
1859 | ||
b63a55ac MB |
1860 | /* Return non-zero if the terminal on frame F supports all of the |
1861 | capabilities in CAPS simultaneously, with foreground and background | |
1862 | colors FG and BG. */ | |
1863 | ||
4a8130f2 | 1864 | int |
fca177d4 | 1865 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1866 | struct tty_display_info *tty; |
b63a55ac MB |
1867 | unsigned caps; |
1868 | unsigned long fg, bg; | |
1869 | { | |
fca177d4 KL |
1870 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1871 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1872 | return 0; |
1873 | ||
fca177d4 KL |
1874 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1875 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1876 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1877 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1878 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1879 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1880 | |
1881 | /* We can do it! */ | |
1882 | return 1; | |
1883 | } | |
1884 | ||
24268213 KL |
1885 | /* Return the tty display object specified by DISPLAY. DISPLAY may be |
1886 | a frame, a string, or nil for the display device of the current | |
1887 | frame. */ | |
3224dac1 KL |
1888 | |
1889 | static struct display * | |
1890 | get_tty_display (Lisp_Object display) | |
1891 | { | |
1892 | struct display *d; | |
1893 | ||
24268213 KL |
1894 | if (NILP (display)) |
1895 | display = selected_frame; | |
1896 | ||
3224dac1 KL |
1897 | if (! FRAMEP (display) && ! STRINGP (display)) |
1898 | return 0; | |
1899 | ||
1900 | /* The initial frame does not support colors. */ | |
1901 | if (FRAMEP (display) && FRAME_INITIAL_P (XFRAME (display))) | |
1902 | return 0; | |
1903 | ||
1904 | if (FRAMEP (display)) | |
1905 | { | |
1906 | if (! FRAME_TERMCAP_P (XFRAME (display))) | |
1907 | #if 0 /* XXX We need a predicate as the first argument; find one. */ | |
1908 | wrong_type_argument ("Not a termcap frame", display); | |
1909 | #else /* Until we fix the wrong_type_argument call above, simply throw | |
1910 | a dumb error. */ | |
1911 | error ("DISPLAY is not a termcap frame"); | |
1912 | #endif | |
1913 | ||
1914 | d = FRAME_DISPLAY (XFRAME (display)); | |
1915 | } | |
1916 | else if (STRINGP (display)) | |
1917 | { | |
1918 | char *name = (char *) alloca (SBYTES (display) + 1); | |
1919 | strncpy (name, SDATA (display), SBYTES (display)); | |
1920 | name[SBYTES (display)] = 0; | |
1921 | ||
1922 | d = get_named_tty_display (name); | |
1923 | ||
1924 | if (!d) | |
1925 | error ("There is no tty display on %s", name); | |
1926 | } | |
1927 | ||
1928 | return d; | |
1929 | } | |
1930 | ||
b63a55ac | 1931 | |
a168702a GM |
1932 | /* Return non-zero if the terminal is capable to display colors. */ |
1933 | ||
1934 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1935 | 0, 1, 0, |
99fdd6bc EZ |
1936 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
1937 | (display) | |
1938 | Lisp_Object display; | |
a168702a | 1939 | { |
3224dac1 KL |
1940 | struct display *d = get_tty_display (display); |
1941 | if (!d) | |
428a555e | 1942 | return Qnil; |
3224dac1 KL |
1943 | else |
1944 | return d->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; | |
a168702a GM |
1945 | } |
1946 | ||
bfa62f96 EZ |
1947 | /* Return the number of supported colors. */ |
1948 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1949 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
1950 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
1951 | (display) | |
1952 | Lisp_Object display; | |
bfa62f96 | 1953 | { |
3224dac1 KL |
1954 | struct display *d = get_tty_display (display); |
1955 | if (!d) | |
428a555e | 1956 | return Qnil; |
3224dac1 KL |
1957 | else |
1958 | return make_number (d->display_info.tty->TN_max_colors); | |
bfa62f96 EZ |
1959 | } |
1960 | ||
ace28297 | 1961 | #ifndef WINDOWSNT |
a168702a | 1962 | |
ace28297 EZ |
1963 | /* Save or restore the default color-related capabilities of this |
1964 | terminal. */ | |
1965 | static void | |
28d7d09f | 1966 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
1967 | { |
1968 | static char | |
1969 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
1970 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
1971 | ||
1972 | if (save) | |
1973 | { | |
1974 | if (default_orig_pair) | |
1975 | xfree (default_orig_pair); | |
fca177d4 | 1976 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1977 | |
1978 | if (default_set_foreground) | |
1979 | xfree (default_set_foreground); | |
fca177d4 | 1980 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
1981 | : NULL; |
1982 | ||
1983 | if (default_set_background) | |
1984 | xfree (default_set_background); | |
fca177d4 | 1985 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
1986 | : NULL; |
1987 | ||
fca177d4 KL |
1988 | default_max_colors = tty->TN_max_colors; |
1989 | default_max_pairs = tty->TN_max_pairs; | |
1990 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
1991 | } |
1992 | else | |
1993 | { | |
fca177d4 KL |
1994 | tty->TS_orig_pair = default_orig_pair; |
1995 | tty->TS_set_foreground = default_set_foreground; | |
1996 | tty->TS_set_background = default_set_background; | |
1997 | tty->TN_max_colors = default_max_colors; | |
1998 | tty->TN_max_pairs = default_max_pairs; | |
1999 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2000 | } |
2001 | } | |
2002 | ||
2003 | /* Setup one of the standard tty color schemes according to MODE. | |
2004 | MODE's value is generally the number of colors which we want to | |
2005 | support; zero means set up for the default capabilities, the ones | |
2006 | we saw at term_init time; -1 means turn off color support. */ | |
2007 | void | |
28d7d09f | 2008 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2009 | { |
40409f05 EZ |
2010 | /* Canonicalize all negative values of MODE. */ |
2011 | if (mode < -1) | |
2012 | mode = -1; | |
2013 | ||
ace28297 EZ |
2014 | switch (mode) |
2015 | { | |
2016 | case -1: /* no colors at all */ | |
fca177d4 KL |
2017 | tty->TN_max_colors = 0; |
2018 | tty->TN_max_pairs = 0; | |
2019 | tty->TN_no_color_video = 0; | |
2020 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2021 | break; |
2022 | case 0: /* default colors, if any */ | |
2023 | default: | |
fca177d4 | 2024 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2025 | break; |
2026 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2027 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2028 | #ifdef TERMINFO |
fca177d4 KL |
2029 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2030 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2031 | #else |
fca177d4 KL |
2032 | tty->TS_set_foreground = "\033[3%dm"; |
2033 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2034 | #endif |
fca177d4 KL |
2035 | tty->TN_max_colors = 8; |
2036 | tty->TN_max_pairs = 64; | |
2037 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2038 | break; |
2039 | } | |
2040 | } | |
2041 | ||
2042 | void | |
2043 | set_tty_color_mode (f, val) | |
2044 | struct frame *f; | |
2045 | Lisp_Object val; | |
2046 | { | |
dfc7a077 | 2047 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2048 | Lisp_Object color_mode, current_mode; |
2049 | int mode, old_mode; | |
2050 | extern Lisp_Object Qtty_color_mode; | |
2051 | Lisp_Object tty_color_mode_alist; | |
2052 | ||
2053 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2054 | Qnil); | |
2055 | ||
9ac61a89 | 2056 | if (INTEGERP (val)) |
ace28297 EZ |
2057 | color_mode = val; |
2058 | else | |
2059 | { | |
2060 | if (NILP (tty_color_mode_alist)) | |
2061 | color_mode_spec = Qnil; | |
2062 | else | |
2063 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2064 | |
2065 | if (CONSP (color_mode_spec)) | |
2066 | color_mode = XCDR (color_mode_spec); | |
2067 | else | |
2068 | color_mode = Qnil; | |
2069 | } | |
545d91d5 RS |
2070 | |
2071 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2072 | ||
ace28297 EZ |
2073 | if (CONSP (current_mode_spec)) |
2074 | current_mode = XCDR (current_mode_spec); | |
2075 | else | |
2076 | current_mode = Qnil; | |
9ac61a89 | 2077 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2078 | mode = XINT (color_mode); |
2079 | else | |
2080 | mode = 0; /* meaning default */ | |
9ac61a89 | 2081 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2082 | old_mode = XINT (current_mode); |
2083 | else | |
2084 | old_mode = 0; | |
2085 | ||
2086 | if (mode != old_mode) | |
2087 | { | |
fca177d4 | 2088 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2089 | /* This recomputes all the faces given the new color |
2090 | definitions. */ | |
2091 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2092 | redraw_frame (f); | |
2093 | } | |
2094 | } | |
2095 | ||
2096 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2097 | |
2098 | \f | |
28d440ab | 2099 | |
da8e1115 KL |
2100 | /* Return the termcap display with the given name. If NAME is null, |
2101 | return the display corresponding to our controlling terminal. | |
2102 | ||
2103 | Returns NULL if the named terminal device is not opened. */ | |
2104 | ||
3224dac1 | 2105 | struct display * |
428a555e | 2106 | get_named_tty_display (name) |
28d440ab KL |
2107 | char *name; |
2108 | { | |
428a555e KL |
2109 | struct display *d; |
2110 | ||
2111 | for (d = display_list; d; d = d->next_display) { | |
2112 | if (d->type == output_termcap | |
2113 | && ((d->display_info.tty->name == 0 && name == 0) | |
2114 | || (name && d->display_info.tty->name | |
2115 | && !strcmp (d->display_info.tty->name, name)))) | |
2116 | return d; | |
28d440ab KL |
2117 | }; |
2118 | ||
2119 | return 0; | |
2120 | } | |
2121 | ||
2122 | \f | |
819b8f00 KL |
2123 | |
2124 | DEFUN ("frame-tty-name", Fframe_tty_name, Sframe_tty_name, 0, 1, 0, | |
2125 | doc: /* Return the name of the TTY device that FRAME is displayed on. */) | |
2126 | (frame) | |
2127 | Lisp_Object frame; | |
2128 | { | |
2129 | struct frame *f; | |
2130 | ||
2131 | if (NILP (frame)) | |
2132 | { | |
2133 | f = XFRAME (selected_frame); | |
2134 | } | |
2135 | else | |
2136 | { | |
2137 | CHECK_LIVE_FRAME (frame); | |
2138 | f = XFRAME (frame); | |
2139 | } | |
2140 | ||
2141 | if (f->output_method != output_termcap) | |
2142 | wrong_type_argument (Qframe_tty_name, frame); | |
2143 | ||
28d7d09f KL |
2144 | if (FRAME_TTY (f)->name) |
2145 | return build_string (FRAME_TTY (f)->name); | |
819b8f00 KL |
2146 | else |
2147 | return Qnil; | |
2148 | } | |
2149 | ||
2150 | DEFUN ("frame-tty-type", Fframe_tty_type, Sframe_tty_type, 0, 1, 0, | |
2151 | doc: /* Return the type of the TTY device that FRAME is displayed on. */) | |
2152 | (frame) | |
2153 | Lisp_Object frame; | |
2154 | { | |
2155 | struct frame *f; | |
daf01701 | 2156 | |
819b8f00 KL |
2157 | if (NILP (frame)) |
2158 | { | |
2159 | f = XFRAME (selected_frame); | |
2160 | } | |
2161 | else | |
2162 | { | |
2163 | CHECK_LIVE_FRAME (frame); | |
2164 | f = XFRAME (frame); | |
2165 | } | |
2166 | ||
2167 | if (f->output_method != output_termcap) | |
2168 | wrong_type_argument (Qframe_tty_type, frame); | |
2169 | ||
28d7d09f KL |
2170 | if (FRAME_TTY (f)->type) |
2171 | return build_string (FRAME_TTY (f)->type); | |
819b8f00 KL |
2172 | else |
2173 | return Qnil; | |
2174 | } | |
2175 | ||
2176 | \f | |
a168702a GM |
2177 | /*********************************************************************** |
2178 | Initialization | |
2179 | ***********************************************************************/ | |
2180 | ||
3224dac1 | 2181 | /* Create the bootstrap display device for the initial frame. |
da8e1115 | 2182 | Returns a display of type output_initial. */ |
3224dac1 | 2183 | |
428a555e | 2184 | struct display * |
3224dac1 | 2185 | init_initial_display (void) |
28d440ab | 2186 | { |
428a555e KL |
2187 | if (initialized || display_list || tty_list) |
2188 | abort (); | |
2189 | ||
3224dac1 KL |
2190 | initial_display = create_display (); |
2191 | initial_display->type = output_initial; | |
428a555e | 2192 | |
3224dac1 KL |
2193 | initial_display->delete_display_hook = &delete_initial_display; |
2194 | /* All other hooks are NULL. */ | |
428a555e | 2195 | |
3224dac1 KL |
2196 | return initial_display; |
2197 | } | |
2198 | ||
2199 | /* Deletes the bootstrap display device. | |
2200 | Called through delete_display_hook. */ | |
da8e1115 | 2201 | |
3224dac1 KL |
2202 | void |
2203 | delete_initial_display (struct display *display) | |
2204 | { | |
2205 | if (display != initial_display) | |
2206 | abort (); | |
2207 | ||
2208 | delete_display (display); | |
2209 | initial_display = NULL; | |
28d440ab KL |
2210 | } |
2211 | ||
3224dac1 KL |
2212 | /* Create a termcap display on the tty device with the given name and |
2213 | type. | |
2214 | ||
2215 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2216 | Otherwise NAME should be a path to the tty device file, | |
2217 | e.g. "/dev/pts/7". | |
28d440ab | 2218 | |
3224dac1 KL |
2219 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2220 | ||
2221 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2222 | |
428a555e | 2223 | struct display * |
3224dac1 | 2224 | term_init (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2225 | { |
2226 | char *area; | |
2227 | char **address = &area; | |
3a06a6d9 | 2228 | char *buffer = NULL; |
5846981b | 2229 | int buffer_size = 4096; |
08a24c47 JB |
2230 | register char *p; |
2231 | int status; | |
28d7d09f | 2232 | struct tty_display_info *tty; |
428a555e | 2233 | struct display *display; |
28d440ab | 2234 | |
3224dac1 KL |
2235 | static void maybe_fatal(); |
2236 | ||
2237 | if (!terminal_type) | |
2238 | maybe_fatal (must_succeed, 0, 0, | |
2239 | "Unknown terminal type", | |
2240 | "Unknown terminal type"); | |
2241 | ||
428a555e KL |
2242 | display = get_named_tty_display (name); |
2243 | if (display) | |
3224dac1 | 2244 | return display; /* We have already opened a display there. */ |
428a555e | 2245 | |
3224dac1 KL |
2246 | display = create_display (); |
2247 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); | |
2248 | bzero (tty, sizeof (struct tty_display_info)); | |
2249 | tty->next = tty_list; | |
2250 | tty_list = tty; | |
428a555e | 2251 | |
3224dac1 KL |
2252 | display->type = output_termcap; |
2253 | display->display_info.tty = tty; | |
2254 | tty->display = display; | |
28d440ab | 2255 | |
7b00d185 KL |
2256 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2257 | Wcm_clear (tty); | |
daf01701 | 2258 | |
428a555e | 2259 | display->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 KL |
2260 | |
2261 | display->cursor_to_hook = &tty_cursor_to; | |
2262 | display->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2263 | ||
2264 | display->clear_to_end_hook = &tty_clear_to_end; | |
2265 | display->clear_frame_hook = &tty_clear_frame; | |
2266 | display->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2267 | ||
2268 | display->ins_del_lines_hook = &tty_ins_del_lines; | |
2269 | ||
2270 | display->insert_glyphs_hook = &tty_insert_glyphs; | |
2271 | display->write_glyphs_hook = &tty_write_glyphs; | |
2272 | display->delete_glyphs_hook = &tty_delete_glyphs; | |
2273 | ||
2274 | display->ring_bell_hook = &tty_ring_bell; | |
2275 | ||
2276 | display->reset_terminal_modes_hook = &tty_reset_terminal_modes; | |
2277 | display->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2278 | display->update_begin_hook = 0; /* Not needed. */ | |
2279 | display->update_end_hook = &tty_update_end; | |
2280 | display->set_terminal_window_hook = &tty_set_terminal_window; | |
2281 | ||
2282 | display->mouse_position_hook = 0; /* Not needed. */ | |
2283 | display->frame_rehighlight_hook = 0; /* Not needed. */ | |
2284 | display->frame_raise_lower_hook = 0; /* Not needed. */ | |
2285 | ||
2286 | display->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2287 | display->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2288 | display->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2289 | display->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2290 | ||
8f1ce423 | 2291 | display->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ |
3224dac1 KL |
2292 | display->frame_up_to_date_hook = 0; /* Not needed. */ |
2293 | ||
428a555e KL |
2294 | display->delete_frame_hook = &delete_tty_output; |
2295 | display->delete_display_hook = &delete_tty; | |
2296 | ||
28d440ab KL |
2297 | if (name) |
2298 | { | |
2299 | int fd; | |
0a125897 | 2300 | FILE *file; |
0c72d684 KL |
2301 | |
2302 | #ifdef O_IGNORE_CTTY | |
2303 | /* Open the terminal device. Don't recognize it as our | |
2304 | controlling terminal, and don't make it the controlling tty | |
2305 | if we don't have one at the moment. */ | |
2306 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
2307 | #else | |
2308 | /* Alas, O_IGNORE_CTTY is a GNU extension that is only defined | |
2309 | on Hurd. On other systems, we need to dissociate ourselves | |
2310 | from the controlling tty when we want to open a frame on the | |
2311 | same terminal. The function setsid should be used for this, | |
2312 | but it didn't work for me. */ | |
2313 | ||
2314 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); | |
2315 | ||
2316 | #ifdef TIOCNOTTY | |
2317 | /* Drop our controlling tty if it is the same device. */ | |
2318 | if (ioctl (fd, TIOCNOTTY, 0) != -1) | |
2319 | { | |
2320 | no_controlling_tty = 1; | |
2321 | } | |
2322 | #endif | |
2323 | #endif /* O_IGNORE_CTTY */ | |
2324 | ||
28d440ab KL |
2325 | if (fd < 0) |
2326 | { | |
428a555e | 2327 | delete_tty (display); |
fca177d4 | 2328 | error ("Could not open file: %s", name); |
28d440ab | 2329 | } |
0c72d684 KL |
2330 | if (! isatty (fd)) |
2331 | { | |
2332 | close (fd); | |
2333 | error ("Not a tty device: %s", name); | |
2334 | } | |
2335 | ||
0a125897 | 2336 | file = fdopen (fd, "w+"); |
28d7d09f KL |
2337 | tty->name = xstrdup (name); |
2338 | tty->input = file; | |
2339 | tty->output = file; | |
28d440ab KL |
2340 | } |
2341 | else | |
2342 | { | |
0c72d684 KL |
2343 | if (no_controlling_tty) |
2344 | { | |
2345 | /* Opening a frame on stdout is unsafe if we have | |
2346 | disconnected our controlling terminal. */ | |
2347 | error ("There is no controlling terminal any more"); | |
2348 | } | |
28d7d09f KL |
2349 | tty->name = 0; |
2350 | tty->input = stdin; | |
2351 | tty->output = stdout; | |
28d440ab KL |
2352 | } |
2353 | ||
28d7d09f | 2354 | tty->type = xstrdup (terminal_type); |
28d440ab | 2355 | |
819b8f00 | 2356 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2357 | |
cb28b9c2 | 2358 | #ifdef WINDOWSNT |
29f27c39 | 2359 | initialize_w32_display (); |
cb28b9c2 | 2360 | |
fca177d4 | 2361 | Wcm_clear (tty); |
cb28b9c2 | 2362 | |
a678d9ff | 2363 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2364 | |
428a555e KL |
2365 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2366 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2367 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2368 | |
428a555e | 2369 | tty->display->delete_in_insert_mode = 1; |
cb28b9c2 | 2370 | |
daf01701 | 2371 | UseTabs (tty) = 0; |
428a555e | 2372 | display->scroll_region_ok = 0; |
cb28b9c2 RS |
2373 | |
2374 | /* Seems to insert lines when it's not supposed to, messing | |
2375 | up the display. In doing a trace, it didn't seem to be | |
2376 | called much, so I don't think we're losing anything by | |
2377 | turning it off. */ | |
428a555e KL |
2378 | display->line_ins_del_ok = 0; |
2379 | display->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2380 | |
2381 | baud_rate = 19200; | |
2382 | ||
428a555e KL |
2383 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2384 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2385 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2386 | |
428a555e | 2387 | return display; |
eccec691 | 2388 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2389 | |
6548cf00 | 2390 | Wcm_clear (tty); |
08a24c47 | 2391 | |
3a06a6d9 | 2392 | buffer = (char *) xmalloc (buffer_size); |
08a24c47 JB |
2393 | status = tgetent (buffer, terminal_type); |
2394 | if (status < 0) | |
b0347178 KH |
2395 | { |
2396 | #ifdef TERMINFO | |
3224dac1 KL |
2397 | maybe_fatal (must_succeed, buffer, display, |
2398 | "Cannot open terminfo database file", | |
2399 | "Cannot open terminfo database file"); | |
b0347178 | 2400 | #else |
3224dac1 KL |
2401 | maybe_fatal (must_succeed, buffer, display, |
2402 | "Cannot open termcap database file", | |
2403 | "Cannot open termcap database file"); | |
b0347178 KH |
2404 | #endif |
2405 | } | |
08a24c47 | 2406 | if (status == 0) |
b0347178 KH |
2407 | { |
2408 | #ifdef TERMINFO | |
3224dac1 KL |
2409 | maybe_fatal (must_succeed, buffer, display, |
2410 | "Terminal type %s is not defined", | |
2411 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2412 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2413 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2414 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2415 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2416 | terminal_type); |
b0347178 | 2417 | #else |
3224dac1 KL |
2418 | maybe_fatal (must_succeed, buffer, display, |
2419 | "Terminal type %s is not defined", | |
2420 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2421 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2422 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2423 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2424 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2425 | terminal_type); |
b0347178 KH |
2426 | #endif |
2427 | } | |
3a06a6d9 | 2428 | |
f730033e | 2429 | #ifndef TERMINFO |
3a06a6d9 | 2430 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2431 | abort (); |
f730033e | 2432 | buffer_size = strlen (buffer); |
3dd3a502 | 2433 | #endif |
f730033e | 2434 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2435 | |
fca177d4 KL |
2436 | tty->TS_ins_line = tgetstr ("al", address); |
2437 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2438 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2439 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2440 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2441 | tty->TS_clr_line = tgetstr ("ce", address); | |
2442 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2443 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2444 | AbsPosition (tty) = tgetstr ("cm", address); | |
2445 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2446 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2447 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2448 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2449 | tty->TS_del_char = tgetstr ("dc", address); |
2450 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2451 | tty->TS_del_line = tgetstr ("dl", address); | |
2452 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2453 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2454 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2455 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2456 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2457 | tty->TS_ins_char = tgetstr ("ic", address); |
2458 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2459 | tty->TS_insert_mode = tgetstr ("im", address); | |
2460 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2461 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2462 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2463 | LastLine (tty) = tgetstr ("ll", address); |
2464 | Right (tty) = tgetstr ("nd", address); | |
2465 | Down (tty) = tgetstr ("do", address); | |
2466 | if (!Down (tty)) | |
2467 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2468 | #ifdef VMS |
2469 | /* VMS puts a carriage return before each linefeed, | |
2470 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2471 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2472 | Down (tty) = 0; | |
08a24c47 JB |
2473 | #endif /* VMS */ |
2474 | if (tgetflag ("bs")) | |
6548cf00 | 2475 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2476 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2477 | Left (tty) = tgetstr ("le", address); |
2478 | if (!Left (tty)) | |
2479 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2480 | tty->TS_pad_char = tgetstr ("pc", address); |
2481 | tty->TS_repeat = tgetstr ("rp", address); | |
2482 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2483 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2484 | tty->TS_standout_mode = tgetstr ("so", address); | |
2485 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2486 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2487 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2488 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2489 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2490 | tty->TS_visible_bell = tgetstr ("vb", address); |
2491 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2492 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2493 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2494 | tty->TS_set_window = tgetstr ("wi", address); | |
2495 | ||
2496 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2497 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2498 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2499 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2500 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2501 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2502 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2503 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2504 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2505 | |
6548cf00 KL |
2506 | MultiUp (tty) = tgetstr ("UP", address); |
2507 | MultiDown (tty) = tgetstr ("DO", address); | |
2508 | MultiLeft (tty) = tgetstr ("LE", address); | |
2509 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2510 | |
e7f90eab GM |
2511 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2512 | color because we can't switch back to the default foreground and | |
2513 | background. */ | |
fca177d4 KL |
2514 | tty->TS_orig_pair = tgetstr ("op", address); |
2515 | if (tty->TS_orig_pair) | |
a168702a | 2516 | { |
fca177d4 KL |
2517 | tty->TS_set_foreground = tgetstr ("AF", address); |
2518 | tty->TS_set_background = tgetstr ("AB", address); | |
2519 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2520 | { |
2521 | /* SVr4. */ | |
fca177d4 KL |
2522 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2523 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2524 | } |
177c0ea7 | 2525 | |
fca177d4 KL |
2526 | tty->TN_max_colors = tgetnum ("Co"); |
2527 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2528 | |
fca177d4 KL |
2529 | tty->TN_no_color_video = tgetnum ("NC"); |
2530 | if (tty->TN_no_color_video == -1) | |
2531 | tty->TN_no_color_video = 0; | |
a168702a | 2532 | } |
a168702a | 2533 | |
fca177d4 | 2534 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2535 | |
6548cf00 | 2536 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2537 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2538 | the former flag imply the latter. */ | |
6548cf00 | 2539 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
428a555e | 2540 | display->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2541 | tty->TF_hazeltine = tgetflag ("hz"); |
428a555e | 2542 | display->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2543 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2544 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2545 | tty->TF_standout_motion = tgetflag ("ms"); | |
2546 | tty->TF_underscore = tgetflag ("ul"); | |
2547 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2548 | |
5c2c7893 JB |
2549 | term_get_fkeys (address); |
2550 | ||
ff11dfa1 | 2551 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2552 | { |
2553 | int height, width; | |
16c290d8 | 2554 | get_tty_size (fileno (TTY_INPUT (tty)), &width, &height); |
0a125897 KL |
2555 | FrameCols (tty) = width; |
2556 | FrameRows (tty) = height; | |
3b12ce12 RS |
2557 | } |
2558 | ||
0a125897 KL |
2559 | if (FrameCols (tty) <= 0) |
2560 | FrameCols (tty) = tgetnum ("co"); | |
2561 | if (FrameRows (tty) <= 0) | |
2562 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2563 | |
0a125897 | 2564 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
3224dac1 KL |
2565 | maybe_fatal (must_succeed, NULL, display, |
2566 | "Screen size %dx%d is too small" | |
2567 | "Screen size %dx%d is too small", | |
0a125897 | 2568 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2569 | |
8a56675d | 2570 | #if 0 /* This is not used anywhere. */ |
428a555e | 2571 | tty->display->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2572 | #endif |
28d440ab | 2573 | |
6548cf00 | 2574 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2575 | |
2576 | #ifdef VMS | |
2577 | /* These capabilities commonly use ^J. | |
2578 | I don't know why, but sending them on VMS does not work; | |
2579 | it causes following spaces to be lost, sometimes. | |
2580 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2581 | if (Down (tty) && Down (tty)[0] == '\n') |
2582 | Down (tty) = 0; | |
08a24c47 JB |
2583 | #endif /* VMS */ |
2584 | ||
fca177d4 KL |
2585 | if (!tty->TS_bell) |
2586 | tty->TS_bell = "\07"; | |
08a24c47 | 2587 | |
fca177d4 KL |
2588 | if (!tty->TS_fwd_scroll) |
2589 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2590 | |
fca177d4 | 2591 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2592 | |
6548cf00 KL |
2593 | if (TabWidth (tty) < 0) |
2594 | TabWidth (tty) = 8; | |
177c0ea7 | 2595 | |
08a24c47 JB |
2596 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2597 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2598 | if (!tty->Wcm->cm_tab) |
2599 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2600 | */ |
2601 | ||
54800acb MB |
2602 | /* We don't support standout modes that use `magic cookies', so |
2603 | turn off any that do. */ | |
fca177d4 | 2604 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2605 | { |
fca177d4 KL |
2606 | tty->TS_standout_mode = 0; |
2607 | tty->TS_end_standout_mode = 0; | |
54800acb | 2608 | } |
fca177d4 | 2609 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2610 | { |
fca177d4 KL |
2611 | tty->TS_enter_underline_mode = 0; |
2612 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2613 | } |
2614 | ||
2615 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2616 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2617 | { |
fca177d4 KL |
2618 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2619 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2620 | } |
2621 | ||
afd359c4 RS |
2622 | /* If no `se' string, try using a `me' string instead. |
2623 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2624 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2625 | { |
e4bfb3b6 | 2626 | char *s = tgetstr ("me", address); |
afd359c4 | 2627 | if (s != 0) |
fca177d4 | 2628 | tty->TS_end_standout_mode = s; |
afd359c4 | 2629 | else |
fca177d4 | 2630 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2631 | } |
2632 | ||
fca177d4 | 2633 | if (tty->TF_teleray) |
08a24c47 | 2634 | { |
6548cf00 | 2635 | tty->Wcm->cm_tab = 0; |
54800acb | 2636 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2637 | tty->TS_standout_mode = 0; |
08a24c47 | 2638 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2639 | CR (tty) = 0; |
08a24c47 JB |
2640 | /* LF can't be trusted either -- can alter hpos */ |
2641 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2642 | Down (tty) = 0; |
08a24c47 JB |
2643 | } |
2644 | ||
2645 | /* Special handling for certain terminal types known to need it */ | |
2646 | ||
2647 | if (!strcmp (terminal_type, "supdup")) | |
2648 | { | |
428a555e | 2649 | display->memory_below_frame = 1; |
6548cf00 | 2650 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2651 | } |
2652 | if (!strncmp (terminal_type, "c10", 3) | |
2653 | || !strcmp (terminal_type, "perq")) | |
2654 | { | |
2655 | /* Supply a makeshift :wi string. | |
2656 | This string is not valid in general since it works only | |
2657 | for windows starting at the upper left corner; | |
2658 | but that is all Emacs uses. | |
daf01701 | 2659 | |
ff11dfa1 | 2660 | This string works only if the frame is using |
08a24c47 JB |
2661 | the top of the video memory, because addressing is memory-relative. |
2662 | So first check the :ti string to see if that is true. | |
2663 | ||
2664 | It would be simpler if the :wi string could go in the termcap | |
2665 | entry, but it can't because it is not fully valid. | |
2666 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2667 | if (!tty->TS_set_window) |
08a24c47 | 2668 | { |
fca177d4 | 2669 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2670 | while (*p && strcmp (p, "\033v ")) |
2671 | p++; | |
2672 | if (*p) | |
fca177d4 | 2673 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2674 | } |
2675 | /* Termcap entry often fails to have :in: flag */ | |
428a555e | 2676 | display->must_write_spaces = 1; |
08a24c47 JB |
2677 | /* :ti string typically fails to have \E^G! in it */ |
2678 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2679 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2680 | strcat (area, "\033\007!"); |
fca177d4 | 2681 | tty->TS_termcap_modes = area; |
08a24c47 | 2682 | area += strlen (area) + 1; |
6548cf00 | 2683 | p = AbsPosition (tty); |
08a24c47 | 2684 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2685 | values above 96 correctly for the C100. */ |
08a24c47 | 2686 | while (*p) |
28d440ab KL |
2687 | { |
2688 | if (p[0] == '%' && p[1] == '+') | |
2689 | p[1] = 'C'; | |
2690 | p++; | |
2691 | } | |
08a24c47 JB |
2692 | } |
2693 | ||
0a125897 | 2694 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2695 | |
6548cf00 | 2696 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 KL |
2697 | { |
2698 | maybe_fatal (must_succeed, NULL, display, | |
2699 | "Terminal type \"%s\" is not powerful enough to run Emacs", | |
08a24c47 | 2700 | #ifdef VMS |
3224dac1 | 2701 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2702 | It lacks the ability to position the cursor.\n\ |
2703 | If that is not the actual type of terminal you have, use either the\n\ | |
2704 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2705 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2706 | #else /* not VMS */ |
2707 | # ifdef TERMINFO | |
3224dac1 | 2708 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2709 | It lacks the ability to position the cursor.\n\ |
2710 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2711 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2712 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2713 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2714 | # else /* TERMCAP */ |
3224dac1 | 2715 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2716 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2717 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2718 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2719 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2720 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2721 | # endif /* TERMINFO */ |
2722 | #endif /*VMS */ | |
3224dac1 | 2723 | terminal_type); |
fca177d4 | 2724 | } |
daf01701 | 2725 | |
0a125897 | 2726 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
3224dac1 KL |
2727 | maybe_fatal (must_succeed, NULL, display, |
2728 | "Could not determine the frame size", | |
2729 | "Could not determine the frame size"); | |
08a24c47 | 2730 | |
fca177d4 KL |
2731 | tty->delete_in_insert_mode |
2732 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2733 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2734 | |
fca177d4 KL |
2735 | tty->se_is_so = (tty->TS_standout_mode |
2736 | && tty->TS_end_standout_mode | |
2737 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2738 | |
16c290d8 | 2739 | UseTabs (tty) = tabs_safe_p (fileno (TTY_INPUT (tty))) && TabWidth (tty) == 8; |
08a24c47 | 2740 | |
428a555e | 2741 | display->scroll_region_ok |
6548cf00 | 2742 | = (tty->Wcm->cm_abs |
fca177d4 | 2743 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2744 | |
428a555e | 2745 | display->line_ins_del_ok |
fca177d4 KL |
2746 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2747 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
428a555e | 2748 | || (display->scroll_region_ok |
fca177d4 | 2749 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2750 | |
428a555e | 2751 | display->char_ins_del_ok |
fca177d4 KL |
2752 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2753 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2754 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2755 | |
428a555e | 2756 | display->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2757 | |
16c290d8 | 2758 | init_baud_rate (fileno (TTY_INPUT (tty))); |
20a558dc | 2759 | |
daf01701 KL |
2760 | #ifdef AIXHFT |
2761 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2762 | really ugly at times. */ | |
428a555e KL |
2763 | display->line_ins_del_ok = 0; |
2764 | display->char_ins_del_ok = 0; | |
daf01701 KL |
2765 | #endif |
2766 | ||
7b00d185 KL |
2767 | #ifdef MULTI_KBOARD |
2768 | tty->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
2769 | init_kboard (tty->kboard); | |
2770 | tty->kboard->next_kboard = all_kboards; | |
2771 | all_kboards = tty->kboard; | |
2772 | /* Don't let the initial kboard remain current longer than necessary. | |
2773 | That would cause problems if a file loaded on startup tries to | |
2774 | prompt in the mini-buffer. */ | |
2775 | if (current_kboard == initial_kboard) | |
2776 | current_kboard = tty->kboard; | |
2777 | tty->kboard->reference_count++; | |
2778 | #endif | |
2779 | ||
0a125897 KL |
2780 | /* Don't do this. I think termcap may still need the buffer. */ |
2781 | /* xfree (buffer); */ | |
28d440ab | 2782 | |
0a125897 KL |
2783 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2784 | init_sys_modes (tty); | |
daf01701 | 2785 | |
428a555e | 2786 | return display; |
7b00d185 | 2787 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2788 | } |
2789 | ||
3224dac1 KL |
2790 | /* Auxiliary error-handling function for term_init. |
2791 | Free BUFFER and delete DISPLAY, then call error or fatal | |
da8e1115 KL |
2792 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
2793 | ||
3224dac1 KL |
2794 | static void |
2795 | maybe_fatal (must_succeed, buffer, display, str1, str2, arg1, arg2) | |
2796 | int must_succeed; | |
2797 | char *buffer; | |
2798 | struct display *display; | |
2799 | char *str1, *str2, *arg1, *arg2; | |
2800 | { | |
2801 | if (buffer) | |
2802 | xfree (buffer); | |
2803 | ||
2804 | if (display) | |
2805 | delete_tty (display); | |
2806 | ||
2807 | if (must_succeed) | |
2808 | fatal (str2, arg1, arg2); | |
2809 | else | |
2810 | error (str1, arg1, arg2); | |
2811 | ||
2812 | abort (); | |
2813 | } | |
2814 | ||
08a24c47 | 2815 | /* VARARGS 1 */ |
dfcf069d | 2816 | void |
08a24c47 | 2817 | fatal (str, arg1, arg2) |
4746118a | 2818 | char *str, *arg1, *arg2; |
08a24c47 JB |
2819 | { |
2820 | fprintf (stderr, "emacs: "); | |
2821 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2822 | fprintf (stderr, "\n"); |
08a24c47 JB |
2823 | fflush (stderr); |
2824 | exit (1); | |
2825 | } | |
07c57952 | 2826 | |
819b8f00 KL |
2827 | \f |
2828 | ||
2829 | DEFUN ("delete-tty", Fdelete_tty, Sdelete_tty, 0, 1, 0, | |
4d553a13 KL |
2830 | doc: /* Delete all frames on the terminal named TTY, and close the device. |
2831 | If omitted, TTY defaults to the controlling terminal. | |
2832 | ||
2833 | This function runs `delete-tty-after-functions' after closing the | |
2834 | tty. The functions are run with one arg, the frame to be deleted. */) | |
819b8f00 KL |
2835 | (tty) |
2836 | Lisp_Object tty; | |
07c57952 | 2837 | { |
428a555e | 2838 | struct display *d; |
819b8f00 | 2839 | char *name = 0; |
c291d9ef | 2840 | |
819b8f00 | 2841 | CHECK_STRING (tty); |
daf01701 | 2842 | |
819b8f00 KL |
2843 | if (SBYTES (tty) > 0) |
2844 | { | |
2845 | name = (char *) alloca (SBYTES (tty) + 1); | |
2846 | strncpy (name, SDATA (tty), SBYTES (tty)); | |
2847 | name[SBYTES (tty)] = 0; | |
2848 | } | |
a168702a | 2849 | |
428a555e | 2850 | d = get_named_tty_display (name); |
6548cf00 | 2851 | |
428a555e KL |
2852 | if (! d) |
2853 | error ("No such terminal device: %s", name); | |
daf01701 | 2854 | |
428a555e | 2855 | delete_tty (d); |
0c72d684 KL |
2856 | |
2857 | return Qnil; | |
07c57952 | 2858 | } |
a168702a | 2859 | |
0a125897 KL |
2860 | static int deleting_tty = 0; |
2861 | ||
da8e1115 KL |
2862 | |
2863 | /* Delete the given terminal device, closing all frames on it. */ | |
2864 | ||
fca177d4 | 2865 | void |
428a555e | 2866 | delete_tty (struct display *display) |
fca177d4 | 2867 | { |
428a555e | 2868 | struct tty_display_info *tty; |
fca177d4 | 2869 | Lisp_Object tail, frame; |
4d553a13 KL |
2870 | char *tty_name; |
2871 | ||
0a125897 KL |
2872 | if (deleting_tty) |
2873 | /* We get a recursive call when we delete the last frame on this | |
428a555e | 2874 | display. */ |
0a125897 | 2875 | return; |
fca177d4 | 2876 | |
0a125897 | 2877 | deleting_tty = 1; |
daf01701 | 2878 | |
428a555e KL |
2879 | if (display->type != output_termcap) |
2880 | abort (); | |
2881 | ||
2882 | tty = display->display_info.tty; | |
2883 | ||
fca177d4 KL |
2884 | if (tty == tty_list) |
2885 | tty_list = tty->next; | |
2886 | else | |
2887 | { | |
28d7d09f | 2888 | struct tty_display_info *p; |
fca177d4 KL |
2889 | for (p = tty_list; p && p->next != tty; p = p->next) |
2890 | ; | |
2891 | ||
2892 | if (! p) | |
2893 | /* This should not happen. */ | |
2894 | abort (); | |
2895 | ||
0a125897 KL |
2896 | p->next = tty->next; |
2897 | tty->next = 0; | |
fca177d4 KL |
2898 | } |
2899 | ||
04c3243c KL |
2900 | FOR_EACH_FRAME (tail, frame) |
2901 | { | |
2902 | struct frame *f = XFRAME (frame); | |
daf01701 | 2903 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
2904 | { |
2905 | Fdelete_frame (frame, Qt); | |
04c3243c KL |
2906 | } |
2907 | } | |
daf01701 | 2908 | |
3224dac1 KL |
2909 | /* reset_sys_modes needs a valid display, so this call needs to be |
2910 | before delete_display. */ | |
04c3243c | 2911 | reset_sys_modes (tty); |
fca177d4 | 2912 | |
3224dac1 KL |
2913 | delete_display (display); |
2914 | ||
4d553a13 | 2915 | tty_name = tty->name; |
fca177d4 KL |
2916 | if (tty->type) |
2917 | xfree (tty->type); | |
daf01701 | 2918 | |
fca177d4 | 2919 | if (tty->input) |
819b8f00 KL |
2920 | { |
2921 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
2922 | if (tty->input != stdin) | |
2923 | fclose (tty->input); | |
2924 | } | |
2925 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
2926 | fclose (tty->output); |
2927 | if (tty->termscript) | |
2928 | fclose (tty->termscript); | |
daf01701 | 2929 | |
fca177d4 | 2930 | if (tty->old_tty) |
0a125897 | 2931 | xfree (tty->old_tty); |
fca177d4 | 2932 | |
0a125897 | 2933 | if (tty->Wcm) |
daf01701 KL |
2934 | xfree (tty->Wcm); |
2935 | ||
7b00d185 KL |
2936 | #ifdef MULTI_KBOARD |
2937 | if (tty->kboard && --tty->kboard->reference_count > 0) | |
2938 | abort (); | |
2939 | if (tty->kboard) | |
2940 | delete_kboard (tty->kboard); | |
2941 | #endif | |
2942 | ||
28d7d09f | 2943 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 2944 | xfree (tty); |
0a125897 | 2945 | deleting_tty = 0; |
4d553a13 KL |
2946 | |
2947 | /* Run `delete-tty-after-functions'. */ | |
2948 | if (!NILP (Vrun_hooks)) | |
2949 | { | |
2950 | Lisp_Object args[2]; | |
2951 | args[0] = intern ("delete-tty-after-functions"); | |
2952 | if (tty_name) | |
2953 | { | |
2954 | args[1] = build_string (tty_name); | |
2955 | xfree (tty_name); | |
2956 | } | |
2957 | else | |
2958 | args[1] = Qnil; | |
2959 | Frun_hook_with_args (2, args); | |
2960 | } | |
fca177d4 KL |
2961 | } |
2962 | ||
428a555e KL |
2963 | \f |
2964 | ||
2965 | /* Initialize the tty-dependent part of frame F. The frame must | |
2966 | already have its display initialized. */ | |
da8e1115 | 2967 | |
428a555e KL |
2968 | void |
2969 | create_tty_output (struct frame *f) | |
2970 | { | |
e9cda827 KL |
2971 | struct tty_output *t; |
2972 | ||
428a555e KL |
2973 | if (! FRAME_TERMCAP_P (f)) |
2974 | abort (); | |
2975 | ||
e9cda827 | 2976 | t = xmalloc (sizeof (struct tty_output)); |
428a555e KL |
2977 | bzero (t, sizeof (struct tty_output)); |
2978 | ||
2979 | t->display_info = FRAME_DISPLAY (f)->display_info.tty; | |
2980 | ||
2981 | f->output_data.tty = t; | |
2982 | } | |
2983 | ||
2984 | /* Delete the tty-dependent part of frame F. */ | |
da8e1115 | 2985 | |
428a555e KL |
2986 | void |
2987 | delete_tty_output (struct frame *f) | |
2988 | { | |
2989 | if (! FRAME_TERMCAP_P (f)) | |
2990 | abort (); | |
2991 | ||
2992 | xfree (f->output_data.tty); | |
2993 | } | |
2994 | ||
fca177d4 | 2995 | |
819b8f00 | 2996 | \f |
28d440ab | 2997 | |
28d7d09f | 2998 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 2999 | Called by the Fgarbage_collector. */ |
da8e1115 | 3000 | |
fca177d4 | 3001 | void |
819b8f00 | 3002 | mark_ttys () |
fca177d4 | 3003 | { |
28d7d09f | 3004 | struct tty_display_info *tty; |
0c72d684 | 3005 | |
819b8f00 | 3006 | for (tty = tty_list; tty; tty = tty->next) |
fca177d4 | 3007 | { |
819b8f00 KL |
3008 | if (tty->top_frame) |
3009 | mark_object (tty->top_frame); | |
fca177d4 KL |
3010 | } |
3011 | } | |
3012 | ||
428a555e KL |
3013 | \f |
3014 | ||
3015 | /* Create a new display object and add it to the display list. */ | |
da8e1115 | 3016 | |
428a555e KL |
3017 | struct display * |
3018 | create_display (void) | |
3019 | { | |
3020 | struct display *dev = (struct display *) xmalloc (sizeof (struct display)); | |
3021 | ||
3022 | bzero (dev, sizeof (struct display)); | |
3023 | dev->next_display = display_list; | |
3024 | display_list = dev; | |
3025 | ||
3026 | return dev; | |
3027 | } | |
3028 | ||
3029 | /* Remove a display from the display list and free its memory. */ | |
da8e1115 | 3030 | |
428a555e KL |
3031 | void |
3032 | delete_display (struct display *dev) | |
3033 | { | |
3034 | struct display **dp; | |
d448e982 KL |
3035 | Lisp_Object tail, frame; |
3036 | ||
3037 | /* Check for and close live frames that are still on this | |
3038 | display. */ | |
3039 | FOR_EACH_FRAME (tail, frame) | |
3040 | { | |
3041 | struct frame *f = XFRAME (frame); | |
3042 | if (FRAME_LIVE_P (f) && f->display == dev) | |
3043 | { | |
3044 | Fdelete_frame (frame, Qt); | |
3045 | } | |
3046 | } | |
3047 | ||
428a555e KL |
3048 | for (dp = &display_list; *dp != dev; dp = &(*dp)->next_display) |
3049 | if (! *dp) | |
3050 | abort (); | |
3051 | *dp = dev->next_display; | |
3052 | ||
3053 | bzero (dev, sizeof (struct display)); | |
3054 | xfree (dev); | |
3055 | } | |
3056 | ||
28d440ab | 3057 | |
819b8f00 KL |
3058 | \f |
3059 | void | |
3060 | syms_of_term () | |
3061 | { | |
3062 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3063 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3064 | This variable can be used by terminal emulator packages. */); | |
3065 | #ifdef TERMINFO | |
3066 | system_uses_terminfo = 1; | |
3067 | #else | |
3068 | system_uses_terminfo = 0; | |
3069 | #endif | |
3070 | ||
3071 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
3072 | doc: /* Non-nil means call this function to ring the bell. | |
3073 | The function should accept no arguments. */); | |
3074 | Vring_bell_function = Qnil; | |
3075 | ||
4d553a13 KL |
3076 | DEFVAR_LISP ("delete-tty-after-functions", &Vdelete_tty_after_functions, |
3077 | doc: /* Functions to be run after deleting a tty. | |
3078 | The functions are run with one argument, the name of the tty to be deleted. | |
3079 | See `delete-tty'. */); | |
3080 | Vdelete_tty_after_functions = Qnil; | |
3081 | ||
819b8f00 KL |
3082 | Qframe_tty_name = intern ("frame-tty-name"); |
3083 | staticpro (&Qframe_tty_name); | |
3084 | ||
3085 | Qframe_tty_type = intern ("frame-tty-type"); | |
3086 | staticpro (&Qframe_tty_type); | |
3087 | ||
3088 | defsubr (&Stty_display_color_p); | |
3089 | defsubr (&Stty_display_color_cells); | |
3090 | defsubr (&Sframe_tty_name); | |
3091 | defsubr (&Sframe_tty_type); | |
3092 | defsubr (&Sdelete_tty); | |
daf01701 | 3093 | |
819b8f00 | 3094 | Fprovide (intern ("multi-tty"), Qnil); |
7b00d185 | 3095 | |
819b8f00 KL |
3096 | } |
3097 | ||
3098 | ||
3099 | ||
ab5796a9 MB |
3100 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3101 | (do not change this comment) */ |