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 create_tty_output P_ ((struct frame *)); |
83 | void delete_tty_output P_ ((struct frame *)); | |
a168702a | 84 | |
6548cf00 KL |
85 | #define OUTPUT(tty, a) \ |
86 | emacs_tputs ((tty), a, \ | |
87 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
88 | - curY (tty)), \ | |
89 | cmputc) | |
90 | ||
28d440ab KL |
91 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
92 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 93 | |
28d440ab | 94 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
95 | do { \ |
96 | if (a) \ | |
97 | emacs_tputs ((tty), a, \ | |
98 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
99 | - curY (tty) ), \ | |
100 | cmputc); \ | |
101 | } while (0) | |
177c0ea7 | 102 | |
28d440ab | 103 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 104 | |
c291d9ef | 105 | /* Function to use to ring the bell. */ |
a168702a | 106 | |
c291d9ef RS |
107 | Lisp_Object Vring_bell_function; |
108 | ||
0b0d3e0b | 109 | /* Functions to call after deleting a tty. */ |
4d553a13 KL |
110 | Lisp_Object Vdelete_tty_after_functions; |
111 | ||
0b0d3e0b KL |
112 | /* Functions to call after suspending a tty. */ |
113 | Lisp_Object Vsuspend_tty_functions; | |
114 | ||
115 | /* Functions to call after resuming a tty. */ | |
116 | Lisp_Object Vresume_tty_functions; | |
117 | ||
428a555e KL |
118 | /* Chain of all displays currently in use. */ |
119 | struct display *display_list; | |
28d440ab | 120 | |
3224dac1 KL |
121 | /* The initial display device, created by initial_term_init. */ |
122 | struct display *initial_display; | |
123 | ||
428a555e | 124 | /* Chain of all tty device parameters. */ |
28d7d09f | 125 | struct tty_display_info *tty_list; |
08a24c47 | 126 | |
fca177d4 KL |
127 | /* Nonzero means no need to redraw the entire frame on resuming a |
128 | suspended Emacs. This is useful on terminals with multiple | |
129 | pages, where one page is used for Emacs and another for all | |
130 | else. */ | |
08a24c47 | 131 | int no_redraw_on_reenter; |
819b8f00 KL |
132 | |
133 | Lisp_Object Qframe_tty_name, Qframe_tty_type; | |
134 | ||
20a558dc | 135 | |
4e6ba4a4 GM |
136 | |
137 | /* Meaning of bits in no_color_video. Each bit set means that the | |
138 | corresponding attribute cannot be combined with colors. */ | |
139 | ||
140 | enum no_color_bit | |
141 | { | |
142 | NC_STANDOUT = 1 << 0, | |
143 | NC_UNDERLINE = 1 << 1, | |
144 | NC_REVERSE = 1 << 2, | |
145 | NC_BLINK = 1 << 3, | |
146 | NC_DIM = 1 << 4, | |
147 | NC_BOLD = 1 << 5, | |
148 | NC_INVIS = 1 << 6, | |
149 | NC_PROTECT = 1 << 7, | |
150 | NC_ALT_CHARSET = 1 << 8 | |
151 | }; | |
152 | ||
08a24c47 JB |
153 | /* internal state */ |
154 | ||
8dd0c7cb | 155 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 156 | |
9882535b | 157 | int max_frame_cols; |
a168702a | 158 | |
8dd0c7cb | 159 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 160 | |
9882535b | 161 | int max_frame_lines; |
8dd0c7cb | 162 | |
ff11dfa1 | 163 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
164 | (Direct output does not count). */ |
165 | ||
ff11dfa1 | 166 | FRAME_PTR updating_frame; |
08a24c47 | 167 | |
0c72d684 KL |
168 | /* Non-zero if we have dropped our controlling tty and therefore |
169 | should not open a frame on stdout. */ | |
170 | static int no_controlling_tty; | |
171 | ||
07c57952 | 172 | /* Provided for lisp packages. */ |
a168702a | 173 | |
07c57952 KH |
174 | static int system_uses_terminfo; |
175 | ||
08a24c47 | 176 | char *tparam (); |
e4bfb3b6 RS |
177 | |
178 | extern char *tgetstr (); | |
08a24c47 | 179 | \f |
cb28b9c2 | 180 | |
1a89b7c6 AI |
181 | #ifdef WINDOWSNT |
182 | /* We aren't X windows, but we aren't termcap either. This makes me | |
183 | uncertain as to what value to use for frame.output_method. For | |
184 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
185 | output hooks get called instead of the termcap functions. Probably | |
186 | the best long-term solution is to define an output_windows_nt... */ | |
187 | ||
188 | #undef FRAME_TERMCAP_P | |
189 | #define FRAME_TERMCAP_P(_f_) 0 | |
190 | #endif /* WINDOWSNT */ | |
191 | ||
dfcf069d | 192 | void |
08a24c47 JB |
193 | ring_bell () |
194 | { | |
4ca927b4 | 195 | struct frame *f = XFRAME (selected_frame); |
6548cf00 | 196 | |
d284f58f | 197 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
198 | { |
199 | Lisp_Object function; | |
200 | ||
201 | /* Temporarily set the global variable to nil | |
202 | so that if we get an error, it stays nil | |
203 | and we don't call it over and over. | |
204 | ||
205 | We don't specbind it, because that would carefully | |
206 | restore the bad value if there's an error | |
207 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 208 | |
c291d9ef RS |
209 | function = Vring_bell_function; |
210 | Vring_bell_function = Qnil; | |
211 | ||
212 | call0 (function); | |
213 | ||
214 | Vring_bell_function = function; | |
08a24c47 | 215 | } |
428a555e KL |
216 | else if (FRAME_DISPLAY (f)->ring_bell_hook) |
217 | (*FRAME_DISPLAY (f)->ring_bell_hook) (); | |
08a24c47 JB |
218 | } |
219 | ||
da8e1115 KL |
220 | /* Ring the bell on a tty. */ |
221 | ||
3224dac1 KL |
222 | void |
223 | tty_ring_bell () | |
224 | { | |
4ca927b4 | 225 | struct frame *f = XFRAME (selected_frame); |
3224dac1 KL |
226 | struct tty_display_info *tty = FRAME_TTY (f); |
227 | ||
228 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
229 | ? tty->TS_visible_bell | |
230 | : tty->TS_bell)); | |
231 | } | |
232 | ||
da8e1115 KL |
233 | /* Set up termcap modes for Emacs. */ |
234 | ||
235 | void | |
236 | tty_set_terminal_modes (struct display *display) | |
fca177d4 | 237 | { |
3224dac1 KL |
238 | struct tty_display_info *tty = display->display_info.tty; |
239 | ||
0b0d3e0b KL |
240 | if (tty->output) |
241 | { | |
242 | OUTPUT_IF (tty, tty->TS_termcap_modes); | |
243 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
244 | OUTPUT_IF (tty, tty->TS_keypad_mode); | |
245 | losecursor (tty); | |
246 | } | |
fca177d4 KL |
247 | } |
248 | ||
da8e1115 KL |
249 | /* Reset termcap modes before exiting Emacs. */ |
250 | ||
251 | void | |
252 | tty_reset_terminal_modes (struct display *display) | |
fca177d4 | 253 | { |
3224dac1 | 254 | struct tty_display_info *tty = display->display_info.tty; |
0b0d3e0b KL |
255 | |
256 | if (tty->output) | |
257 | { | |
258 | turn_off_highlight (tty); | |
259 | turn_off_insert (tty); | |
260 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); | |
261 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
262 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
263 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
264 | /* Output raw CR so kernel can track the cursor hpos. */ | |
265 | current_tty = tty; | |
266 | cmputc ('\r'); | |
267 | } | |
fca177d4 KL |
268 | } |
269 | ||
dfcf069d | 270 | void |
ff11dfa1 | 271 | update_begin (f) |
d284f58f | 272 | struct frame *f; |
08a24c47 | 273 | { |
ff11dfa1 | 274 | updating_frame = f; |
428a555e KL |
275 | if (FRAME_DISPLAY (f)->update_begin_hook) |
276 | (*FRAME_DISPLAY (f)->update_begin_hook) (f); | |
08a24c47 JB |
277 | } |
278 | ||
dfcf069d | 279 | void |
ff11dfa1 | 280 | update_end (f) |
d284f58f | 281 | struct frame *f; |
08a24c47 | 282 | { |
428a555e KL |
283 | if (FRAME_DISPLAY (f)->update_end_hook) |
284 | (*FRAME_DISPLAY (f)->update_end_hook) (f); | |
d284f58f | 285 | updating_frame = NULL; |
08a24c47 JB |
286 | } |
287 | ||
da8e1115 KL |
288 | /* Flag the end of a display update on a termcap display. */ |
289 | ||
3224dac1 KL |
290 | void |
291 | tty_update_end (struct frame *f) | |
292 | { | |
293 | struct tty_display_info *tty = FRAME_TTY (f); | |
294 | ||
295 | if (!XWINDOW (selected_window)->cursor_off_p) | |
296 | tty_show_cursor (tty); | |
297 | turn_off_insert (tty); | |
298 | background_highlight (tty); | |
299 | } | |
300 | ||
da8e1115 KL |
301 | /* Specify how many text lines, from the top of the window, |
302 | should be affected by insert-lines and delete-lines operations. | |
303 | This, and those operations, are used only within an update | |
304 | that is bounded by calls to update_begin and update_end. */ | |
305 | ||
dfcf069d | 306 | void |
08a24c47 JB |
307 | set_terminal_window (size) |
308 | int size; | |
309 | { | |
c3b4957f | 310 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 311 | |
428a555e KL |
312 | if (FRAME_DISPLAY (f)->set_terminal_window_hook) |
313 | (*FRAME_DISPLAY (f)->set_terminal_window_hook) (size); | |
3224dac1 KL |
314 | } |
315 | ||
da8e1115 KL |
316 | /* The implementation of set_terminal_window for termcap frames. */ |
317 | ||
3224dac1 KL |
318 | void |
319 | tty_set_terminal_window (int size) | |
320 | { | |
c3b4957f | 321 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
322 | |
323 | struct tty_display_info *tty = FRAME_TTY (f); | |
324 | ||
325 | tty->specified_window = size ? size : FRAME_LINES (f); | |
326 | if (FRAME_SCROLL_REGION_OK (f)) | |
327 | set_scroll_region (0, tty->specified_window); | |
08a24c47 JB |
328 | } |
329 | ||
dfcf069d | 330 | void |
08a24c47 JB |
331 | set_scroll_region (start, stop) |
332 | int start, stop; | |
333 | { | |
334 | char *buf; | |
c3b4957f | 335 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 336 | |
28d7d09f | 337 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 338 | |
fca177d4 KL |
339 | if (tty->TS_set_scroll_region) |
340 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
341 | else if (tty->TS_set_scroll_region_1) | |
342 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
343 | FRAME_LINES (f), start, |
344 | FRAME_LINES (f) - stop, | |
345 | FRAME_LINES (f)); | |
08a24c47 | 346 | else |
fca177d4 | 347 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 348 | |
6548cf00 | 349 | OUTPUT (tty, buf); |
9ac0d9e0 | 350 | xfree (buf); |
6548cf00 | 351 | losecursor (tty); |
08a24c47 | 352 | } |
d284f58f | 353 | |
08a24c47 | 354 | \f |
d284f58f | 355 | static void |
28d7d09f | 356 | turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 357 | { |
fca177d4 KL |
358 | if (!tty->insert_mode) |
359 | OUTPUT (tty, tty->TS_insert_mode); | |
360 | tty->insert_mode = 1; | |
08a24c47 JB |
361 | } |
362 | ||
dfcf069d | 363 | void |
28d7d09f | 364 | turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 365 | { |
fca177d4 KL |
366 | if (tty->insert_mode) |
367 | OUTPUT (tty, tty->TS_end_insert_mode); | |
368 | tty->insert_mode = 0; | |
08a24c47 JB |
369 | } |
370 | \f | |
54800acb | 371 | /* Handle highlighting. */ |
08a24c47 | 372 | |
dfcf069d | 373 | void |
28d7d09f | 374 | turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 375 | { |
fca177d4 KL |
376 | if (tty->standout_mode) |
377 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
378 | tty->standout_mode = 0; | |
08a24c47 JB |
379 | } |
380 | ||
d284f58f | 381 | static void |
28d7d09f | 382 | turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 383 | { |
fca177d4 KL |
384 | if (!tty->standout_mode) |
385 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
386 | tty->standout_mode = 1; | |
08a24c47 JB |
387 | } |
388 | ||
86a7d192 | 389 | static void |
28d7d09f | 390 | toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 391 | { |
fca177d4 KL |
392 | if (tty->standout_mode) |
393 | turn_off_highlight (tty); | |
86a7d192 | 394 | else |
fca177d4 | 395 | turn_on_highlight (tty); |
86a7d192 GM |
396 | } |
397 | ||
a168702a GM |
398 | |
399 | /* Make cursor invisible. */ | |
400 | ||
401 | static void | |
28d7d09f | 402 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 403 | { |
fca177d4 | 404 | if (tty->cursor_hidden == 0) |
d284f58f | 405 | { |
fca177d4 KL |
406 | tty->cursor_hidden = 1; |
407 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 408 | } |
a168702a GM |
409 | } |
410 | ||
411 | ||
412 | /* Ensure that cursor is visible. */ | |
413 | ||
414 | static void | |
28d7d09f | 415 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 416 | { |
fca177d4 | 417 | if (tty->cursor_hidden) |
d284f58f | 418 | { |
fca177d4 KL |
419 | tty->cursor_hidden = 0; |
420 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
421 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
d284f58f | 422 | } |
a168702a GM |
423 | } |
424 | ||
425 | ||
08a24c47 JB |
426 | /* Set standout mode to the state it should be in for |
427 | empty space inside windows. What this is, | |
428 | depends on the user option inverse-video. */ | |
429 | ||
dfcf069d | 430 | void |
28d7d09f | 431 | background_highlight (struct tty_display_info *tty) |
08a24c47 | 432 | { |
08a24c47 | 433 | if (inverse_video) |
fca177d4 | 434 | turn_on_highlight (tty); |
08a24c47 | 435 | else |
fca177d4 | 436 | turn_off_highlight (tty); |
08a24c47 JB |
437 | } |
438 | ||
439 | /* Set standout mode to the mode specified for the text to be output. */ | |
440 | ||
dfcf069d | 441 | static void |
28d7d09f | 442 | highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 443 | { |
8ede64a5 | 444 | if (inverse_video) |
fca177d4 | 445 | turn_on_highlight (tty); |
8ede64a5 | 446 | else |
fca177d4 | 447 | turn_off_highlight (tty); |
08a24c47 JB |
448 | } |
449 | \f | |
450 | ||
a168702a GM |
451 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
452 | frame-relative coordinates. */ | |
08a24c47 | 453 | |
dfcf069d | 454 | void |
a168702a GM |
455 | cursor_to (vpos, hpos) |
456 | int vpos, hpos; | |
08a24c47 | 457 | { |
c3b4957f | 458 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 459 | |
428a555e | 460 | if (FRAME_DISPLAY (f)->cursor_to_hook) |
3224dac1 KL |
461 | (*FRAME_DISPLAY (f)->cursor_to_hook) (vpos, hpos); |
462 | } | |
08a24c47 | 463 | |
3224dac1 KL |
464 | void |
465 | tty_cursor_to (int vpos, int hpos) | |
466 | { | |
c3b4957f | 467 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
468 | |
469 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 470 | |
36cae867 KH |
471 | /* Detect the case where we are called from reset_sys_modes |
472 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 473 | if (! tty->costs_set) |
36cae867 KH |
474 | return; |
475 | ||
6548cf00 KL |
476 | if (curY (tty) == vpos |
477 | && curX (tty) == hpos) | |
08a24c47 | 478 | return; |
fca177d4 KL |
479 | if (!tty->TF_standout_motion) |
480 | background_highlight (tty); | |
481 | if (!tty->TF_insmode_motion) | |
482 | turn_off_insert (tty); | |
6548cf00 | 483 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
484 | } |
485 | ||
486 | /* Similar but don't take any account of the wasted characters. */ | |
487 | ||
dfcf069d | 488 | void |
08a24c47 | 489 | raw_cursor_to (row, col) |
4746118a | 490 | int row, col; |
08a24c47 | 491 | { |
c3b4957f | 492 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 493 | |
428a555e | 494 | if (FRAME_DISPLAY (f)->raw_cursor_to_hook) |
3224dac1 KL |
495 | (*FRAME_DISPLAY (f)->raw_cursor_to_hook) (row, col); |
496 | } | |
497 | ||
498 | void | |
499 | tty_raw_cursor_to (int row, int col) | |
500 | { | |
c3b4957f | 501 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
502 | |
503 | struct tty_display_info *tty = FRAME_TTY (f); | |
504 | ||
6548cf00 KL |
505 | if (curY (tty) == row |
506 | && curX (tty) == col) | |
08a24c47 | 507 | return; |
fca177d4 KL |
508 | if (!tty->TF_standout_motion) |
509 | background_highlight (tty); | |
510 | if (!tty->TF_insmode_motion) | |
511 | turn_off_insert (tty); | |
6548cf00 | 512 | cmgoto (tty, row, col); |
08a24c47 JB |
513 | } |
514 | \f | |
515 | /* Erase operations */ | |
516 | ||
da8e1115 | 517 | /* Clear from cursor to end of frame. */ |
dfcf069d | 518 | void |
08a24c47 JB |
519 | clear_to_end () |
520 | { | |
c3b4957f | 521 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 522 | |
428a555e | 523 | if (FRAME_DISPLAY (f)->clear_to_end_hook) |
3224dac1 KL |
524 | (*FRAME_DISPLAY (f)->clear_to_end_hook) (); |
525 | } | |
526 | ||
da8e1115 KL |
527 | /* Clear from cursor to end of frame on a termcap device. */ |
528 | ||
3224dac1 KL |
529 | void |
530 | tty_clear_to_end (void) | |
531 | { | |
532 | register int i; | |
c3b4957f | 533 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
534 | struct tty_display_info *tty = FRAME_TTY (f); |
535 | ||
fca177d4 | 536 | if (tty->TS_clr_to_bottom) |
08a24c47 | 537 | { |
fca177d4 KL |
538 | background_highlight (tty); |
539 | OUTPUT (tty, tty->TS_clr_to_bottom); | |
08a24c47 JB |
540 | } |
541 | else | |
542 | { | |
6548cf00 | 543 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 JB |
544 | { |
545 | cursor_to (i, 0); | |
ed02974b | 546 | clear_end_of_line (FRAME_COLS (f)); |
08a24c47 JB |
547 | } |
548 | } | |
549 | } | |
550 | ||
ff11dfa1 | 551 | /* Clear entire frame */ |
08a24c47 | 552 | |
dfcf069d | 553 | void |
ff11dfa1 | 554 | clear_frame () |
08a24c47 | 555 | { |
6548cf00 | 556 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 557 | |
428a555e | 558 | if (FRAME_DISPLAY (f)->clear_frame_hook) |
3224dac1 KL |
559 | (*FRAME_DISPLAY (f)->clear_frame_hook) (); |
560 | } | |
561 | ||
da8e1115 KL |
562 | /* Clear an entire termcap frame. */ |
563 | ||
3224dac1 KL |
564 | void |
565 | tty_clear_frame () | |
566 | { | |
c3b4957f | 567 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
568 | |
569 | struct tty_display_info *tty = FRAME_TTY (f); | |
570 | ||
fca177d4 | 571 | if (tty->TS_clr_frame) |
08a24c47 | 572 | { |
fca177d4 KL |
573 | background_highlight (tty); |
574 | OUTPUT (tty, tty->TS_clr_frame); | |
6548cf00 | 575 | cmat (tty, 0, 0); |
08a24c47 JB |
576 | } |
577 | else | |
578 | { | |
579 | cursor_to (0, 0); | |
580 | clear_to_end (); | |
581 | } | |
582 | } | |
583 | ||
08a24c47 JB |
584 | /* Clear from cursor to end of line. |
585 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
586 | |
587 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
588 | ||
dfcf069d | 589 | void |
8ede64a5 | 590 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
591 | int first_unused_hpos; |
592 | { | |
c3b4957f | 593 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 594 | |
428a555e | 595 | if (FRAME_DISPLAY (f)->clear_end_of_line_hook) |
3224dac1 | 596 | (*FRAME_DISPLAY (f)->clear_end_of_line_hook) (first_unused_hpos); |
0a125897 | 597 | } |
6548cf00 | 598 | |
da8e1115 KL |
599 | /* An implementation of clear_end_of_line for termcap frames. |
600 | ||
601 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
602 | ||
0a125897 | 603 | void |
3224dac1 | 604 | tty_clear_end_of_line (int first_unused_hpos) |
0a125897 KL |
605 | { |
606 | register int i; | |
c3b4957f | 607 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
608 | struct tty_display_info *tty = FRAME_TTY (f); |
609 | ||
36cae867 KH |
610 | /* Detect the case where we are called from reset_sys_modes |
611 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 612 | if (! tty->costs_set) |
36cae867 KH |
613 | return; |
614 | ||
6548cf00 | 615 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 616 | return; |
fca177d4 KL |
617 | background_highlight (tty); |
618 | if (tty->TS_clr_line) | |
08a24c47 | 619 | { |
fca177d4 | 620 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
621 | } |
622 | else | |
623 | { /* have to do it the hard way */ | |
fca177d4 | 624 | turn_off_insert (tty); |
08a24c47 | 625 | |
a168702a | 626 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 627 | if (AutoWrap (tty) |
0a125897 KL |
628 | && curY (tty) == FrameRows (tty) - 1 |
629 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
630 | first_unused_hpos--; |
631 | ||
6548cf00 | 632 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 633 | { |
0b0d3e0b KL |
634 | if (tty->termscript) |
635 | fputc (' ', tty->termscript); | |
636 | fputc (' ', tty->output); | |
08a24c47 | 637 | } |
6548cf00 | 638 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
639 | } |
640 | } | |
641 | \f | |
a4decb7f KH |
642 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
643 | store them at DST. Do not write more than DST_LEN bytes. That may | |
644 | require stopping before all SRC_LEN input glyphs have been | |
645 | converted. | |
646 | ||
647 | We store the number of glyphs actually converted in *CONSUMED. The | |
648 | return value is the number of bytes store in DST. */ | |
649 | ||
650 | int | |
651 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 652 | struct glyph *src; |
a4decb7f KH |
653 | int src_len; |
654 | unsigned char *dst; | |
655 | int dst_len, *consumed; | |
656 | { | |
a168702a | 657 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 658 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 659 | register GLYPH g; |
405ea71c KR |
660 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH]; |
661 | const unsigned char *buf; | |
6589fd67 | 662 | int len; |
a4decb7f KH |
663 | register int tlen = GLYPH_TABLE_LENGTH; |
664 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 665 | int result; |
6589fd67 KH |
666 | struct coding_system *coding; |
667 | ||
1ac0700a KH |
668 | /* If terminal_coding does any conversion, use it, otherwise use |
669 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
670 | because it always return 1 if the member src_multibyte is 1. */ | |
671 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
672 | ? &terminal_coding |
673 | : &safe_terminal_coding); | |
a4decb7f KH |
674 | |
675 | while (src < src_end) | |
676 | { | |
a4decb7f | 677 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 678 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 679 | { |
32de38e4 KH |
680 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
681 | ||
682 | if (g < 0 || g >= tlen) | |
085d5908 | 683 | { |
32de38e4 KH |
684 | /* This glyph doesn't has an entry in Vglyph_table. */ |
685 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
686 | { | |
687 | len = 1; | |
688 | buf = " "; | |
f2ba40be | 689 | coding->src_multibyte = 0; |
32de38e4 KH |
690 | } |
691 | else | |
692 | { | |
693 | len = CHAR_STRING (src->u.ch, workbuf); | |
694 | buf = workbuf; | |
f2ba40be | 695 | coding->src_multibyte = 1; |
32de38e4 | 696 | } |
085d5908 | 697 | } |
32de38e4 | 698 | else |
a4decb7f | 699 | { |
32de38e4 | 700 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
701 | so process any alias before testing for simpleness. */ |
702 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
703 | |
704 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
705 | { | |
c989b7be KH |
706 | /* We set the multi-byte form of a character in G |
707 | (that should be an ASCII character) at | |
708 | WORKBUF. */ | |
709 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
710 | len = 1; | |
32de38e4 | 711 | buf = workbuf; |
f2ba40be | 712 | coding->src_multibyte = 0; |
32de38e4 KH |
713 | } |
714 | else | |
715 | { | |
716 | /* We have a string in Vglyph_table. */ | |
717 | len = GLYPH_LENGTH (tbase, g); | |
718 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 719 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 720 | } |
171d7f24 | 721 | } |
177c0ea7 | 722 | |
f3ac545f | 723 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 724 | len -= coding->consumed; |
6589fd67 | 725 | dst += coding->produced; |
f3ac545f KH |
726 | if (result == CODING_FINISH_INSUFFICIENT_DST |
727 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
728 | && len > dst_end - dst)) | |
729 | /* The remaining output buffer is too short. We must | |
730 | break the loop here without increasing SRC so that the | |
731 | next call of this function starts from the same glyph. */ | |
732 | break; | |
733 | ||
c42869c4 KH |
734 | if (len > 0) |
735 | { | |
f3ac545f KH |
736 | /* This is the case that a code of the range 0200..0237 |
737 | exists in buf. We must just write out such a code. */ | |
738 | buf += coding->consumed; | |
739 | while (len--) | |
740 | *dst++ = *buf++; | |
c42869c4 | 741 | } |
a4decb7f KH |
742 | } |
743 | src++; | |
744 | } | |
177c0ea7 | 745 | |
a4decb7f KH |
746 | *consumed = src - src_start; |
747 | return (dst - dst_start); | |
748 | } | |
749 | ||
08a24c47 | 750 | |
da8e1115 KL |
751 | /* Output LEN glyphs starting at STRING at the nominal cursor position. |
752 | Advance the nominal cursor over the text. */ | |
753 | ||
dfcf069d | 754 | void |
08a24c47 | 755 | write_glyphs (string, len) |
a168702a | 756 | register struct glyph *string; |
08a24c47 | 757 | register int len; |
3224dac1 | 758 | { |
c3b4957f | 759 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
760 | |
761 | if (FRAME_DISPLAY (f)->write_glyphs_hook) | |
762 | (*FRAME_DISPLAY (f)->write_glyphs_hook) (string, len); | |
763 | } | |
764 | ||
da8e1115 KL |
765 | /* An implementation of write_glyphs for termcap frames. */ |
766 | ||
3224dac1 KL |
767 | void |
768 | tty_write_glyphs (struct glyph *string, int len) | |
08a24c47 | 769 | { |
a4decb7f | 770 | int produced, consumed; |
d2fdb076 KH |
771 | unsigned char conversion_buffer[1024]; |
772 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 | 773 | |
c3b4957f | 774 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
08a24c47 | 775 | |
3224dac1 | 776 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 777 | |
fca177d4 KL |
778 | turn_off_insert (tty); |
779 | tty_hide_cursor (tty); | |
08a24c47 | 780 | |
a168702a | 781 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 782 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 783 | |
6548cf00 KL |
784 | if (AutoWrap (tty) |
785 | && curY (tty) + 1 == FRAME_LINES (f) | |
786 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 787 | len --; |
a4decb7f KH |
788 | if (len <= 0) |
789 | return; | |
08a24c47 | 790 | |
6548cf00 | 791 | cmplus (tty, len); |
177c0ea7 | 792 | |
6589fd67 KH |
793 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
794 | the tail. */ | |
795 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
177c0ea7 | 796 | |
a4decb7f | 797 | while (len > 0) |
08a24c47 | 798 | { |
a168702a | 799 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 800 | int face_id = string->face_id; |
a168702a | 801 | int n; |
177c0ea7 | 802 | |
a168702a | 803 | for (n = 1; n < len; ++n) |
32de38e4 | 804 | if (string[n].face_id != face_id) |
a168702a GM |
805 | break; |
806 | ||
807 | /* Turn appearance modes of the face of the run on. */ | |
fca177d4 | 808 | highlight_if_desired (tty); |
a168702a GM |
809 | turn_on_face (f, face_id); |
810 | ||
811 | while (n > 0) | |
08a24c47 | 812 | { |
d2fdb076 KH |
813 | /* We use a fixed size (1024 bytes) of conversion buffer. |
814 | Usually it is sufficient, but if not, we just repeat the | |
815 | loop. */ | |
a168702a GM |
816 | produced = encode_terminal_code (string, conversion_buffer, |
817 | n, conversion_buffer_size, | |
818 | &consumed); | |
819 | if (produced > 0) | |
820 | { | |
28d440ab | 821 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b KL |
822 | tty->output); |
823 | if (ferror (tty->output)) | |
824 | clearerr (tty->output); | |
825 | if (tty->termscript) | |
28d440ab | 826 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b | 827 | tty->termscript); |
a168702a GM |
828 | } |
829 | len -= consumed; | |
830 | n -= consumed; | |
831 | string += consumed; | |
08a24c47 | 832 | } |
a168702a GM |
833 | |
834 | /* Turn appearance modes off. */ | |
835 | turn_off_face (f, face_id); | |
fca177d4 | 836 | turn_off_highlight (tty); |
a4decb7f | 837 | } |
177c0ea7 | 838 | |
a4decb7f | 839 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 840 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 841 | { |
6589fd67 | 842 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 843 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
844 | 0, conversion_buffer_size); |
845 | if (terminal_coding.produced > 0) | |
df8bf431 | 846 | { |
28d440ab | 847 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
0b0d3e0b KL |
848 | tty->output); |
849 | if (ferror (tty->output)) | |
850 | clearerr (tty->output); | |
851 | if (tty->termscript) | |
6589fd67 | 852 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
0b0d3e0b | 853 | tty->termscript); |
df8bf431 | 854 | } |
08a24c47 | 855 | } |
177c0ea7 | 856 | |
6548cf00 | 857 | cmcheckmagic (tty); |
08a24c47 JB |
858 | } |
859 | ||
da8e1115 KL |
860 | /* Insert LEN glyphs from START at the nominal cursor position. |
861 | ||
862 | If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 863 | |
dfcf069d | 864 | void |
08a24c47 | 865 | insert_glyphs (start, len) |
a168702a | 866 | register struct glyph *start; |
08a24c47 JB |
867 | register int len; |
868 | { | |
c3b4957f | 869 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
daf01701 | 870 | |
a4decb7f KH |
871 | if (len <= 0) |
872 | return; | |
873 | ||
428a555e | 874 | if (FRAME_DISPLAY (f)->insert_glyphs_hook) |
3224dac1 KL |
875 | (*FRAME_DISPLAY (f)->insert_glyphs_hook) (start, len); |
876 | } | |
a168702a | 877 | |
da8e1115 KL |
878 | /* An implementation of insert_glyphs for termcap frames. */ |
879 | ||
3224dac1 KL |
880 | void |
881 | tty_insert_glyphs (struct glyph *start, int len) | |
882 | { | |
883 | char *buf; | |
884 | struct glyph *glyph = NULL; | |
c3b4957f | 885 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
886 | |
887 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 888 | |
fca177d4 | 889 | if (tty->TS_ins_multi_chars) |
08a24c47 | 890 | { |
fca177d4 | 891 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 892 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 893 | xfree (buf); |
08a24c47 JB |
894 | if (start) |
895 | write_glyphs (start, len); | |
896 | return; | |
897 | } | |
898 | ||
fca177d4 | 899 | turn_on_insert (tty); |
6548cf00 | 900 | cmplus (tty, len); |
6589fd67 KH |
901 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
902 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 903 | while (len-- > 0) |
08a24c47 | 904 | { |
a4decb7f | 905 | int produced, consumed; |
d2fdb076 KH |
906 | unsigned char conversion_buffer[1024]; |
907 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 908 | |
fca177d4 | 909 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 910 | if (!start) |
32de38e4 KH |
911 | { |
912 | conversion_buffer[0] = SPACEGLYPH; | |
913 | produced = 1; | |
914 | } | |
08a24c47 | 915 | else |
08a24c47 | 916 | { |
fca177d4 | 917 | highlight_if_desired (tty); |
32de38e4 | 918 | turn_on_face (f, start->face_id); |
816be8b8 | 919 | glyph = start; |
a168702a | 920 | ++start; |
a4decb7f KH |
921 | /* We must open sufficient space for a character which |
922 | occupies more than one column. */ | |
a168702a | 923 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 924 | { |
fca177d4 | 925 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
926 | start++, len--; |
927 | } | |
a4decb7f | 928 | |
32de38e4 KH |
929 | if (len <= 0) |
930 | /* This is the last glyph. */ | |
931 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
932 | ||
d2fdb076 KH |
933 | /* The size of conversion buffer (1024 bytes) is surely |
934 | sufficient for just one glyph. */ | |
816be8b8 | 935 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
936 | conversion_buffer_size, &consumed); |
937 | } | |
a4decb7f | 938 | |
a4decb7f | 939 | if (produced > 0) |
08a24c47 | 940 | { |
28d440ab | 941 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b KL |
942 | tty->output); |
943 | if (ferror (tty->output)) | |
944 | clearerr (tty->output); | |
945 | if (tty->termscript) | |
28d440ab | 946 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b | 947 | tty->termscript); |
08a24c47 JB |
948 | } |
949 | ||
fca177d4 | 950 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 951 | if (start) |
65aa5e85 GM |
952 | { |
953 | turn_off_face (f, glyph->face_id); | |
fca177d4 | 954 | turn_off_highlight (tty); |
65aa5e85 | 955 | } |
9a6b6f92 | 956 | } |
177c0ea7 | 957 | |
6548cf00 | 958 | cmcheckmagic (tty); |
08a24c47 JB |
959 | } |
960 | ||
da8e1115 KL |
961 | /* Delete N glyphs at the nominal cursor position. */ |
962 | ||
dfcf069d | 963 | void |
08a24c47 JB |
964 | delete_glyphs (n) |
965 | register int n; | |
966 | { | |
c3b4957f | 967 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
08a24c47 | 968 | |
428a555e | 969 | if (FRAME_DISPLAY (f)->delete_glyphs_hook) |
3224dac1 KL |
970 | (*FRAME_DISPLAY (f)->delete_glyphs_hook) (n); |
971 | } | |
08a24c47 | 972 | |
da8e1115 KL |
973 | /* An implementation of delete_glyphs for termcap frames. */ |
974 | ||
3224dac1 KL |
975 | void |
976 | tty_delete_glyphs (int n) | |
977 | { | |
978 | char *buf; | |
979 | register int i; | |
c3b4957f | 980 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
981 | |
982 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 983 | |
fca177d4 | 984 | if (tty->delete_in_insert_mode) |
08a24c47 | 985 | { |
fca177d4 | 986 | turn_on_insert (tty); |
08a24c47 JB |
987 | } |
988 | else | |
989 | { | |
fca177d4 KL |
990 | turn_off_insert (tty); |
991 | OUTPUT_IF (tty, tty->TS_delete_mode); | |
08a24c47 | 992 | } |
daf01701 | 993 | |
fca177d4 | 994 | if (tty->TS_del_multi_chars) |
08a24c47 | 995 | { |
fca177d4 | 996 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 997 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 998 | xfree (buf); |
08a24c47 JB |
999 | } |
1000 | else | |
1001 | for (i = 0; i < n; i++) | |
fca177d4 KL |
1002 | OUTPUT1 (tty, tty->TS_del_char); |
1003 | if (!tty->delete_in_insert_mode) | |
1004 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
1005 | } |
1006 | \f | |
1007 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1008 | ||
dfcf069d | 1009 | void |
08a24c47 JB |
1010 | ins_del_lines (vpos, n) |
1011 | int vpos, n; | |
1012 | { | |
c3b4957f | 1013 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 | 1014 | |
428a555e | 1015 | if (FRAME_DISPLAY (f)->ins_del_lines_hook) |
3224dac1 KL |
1016 | (*FRAME_DISPLAY (f)->ins_del_lines_hook) (vpos, n); |
1017 | } | |
1018 | ||
da8e1115 KL |
1019 | /* An implementation of ins_del_lines for termcap frames. */ |
1020 | ||
3224dac1 KL |
1021 | void |
1022 | tty_ins_del_lines (int vpos, int n) | |
1023 | { | |
c3b4957f | 1024 | struct frame *f = (updating_frame ? updating_frame : XFRAME (selected_frame)); |
3224dac1 KL |
1025 | |
1026 | struct tty_display_info *tty = FRAME_TTY (f); | |
1027 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1028 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1029 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
1030 | ||
1031 | register int i = n > 0 ? n : -n; | |
1032 | register char *buf; | |
1033 | ||
1034 | /* If the lines below the insertion are being pushed | |
1035 | into the end of the window, this is the same as clearing; | |
1036 | and we know the lines are already clear, since the matching | |
1037 | deletion has already been done. So can ignore this. */ | |
1038 | /* If the lines below the deletion are blank lines coming | |
1039 | out of the end of the window, don't bother, | |
1040 | as there will be a matching inslines later that will flush them. */ | |
1041 | if (FRAME_SCROLL_REGION_OK (f) | |
1042 | && vpos + i >= tty->specified_window) | |
1043 | return; | |
1044 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
1045 | && vpos + i >= FRAME_LINES (f)) | |
1046 | return; | |
1047 | ||
1048 | if (multi) | |
08a24c47 | 1049 | { |
3224dac1 KL |
1050 | raw_cursor_to (vpos, 0); |
1051 | background_highlight (tty); | |
1052 | buf = tparam (multi, 0, 0, i); | |
1053 | OUTPUT (tty, buf); | |
1054 | xfree (buf); | |
1055 | } | |
1056 | else if (single) | |
1057 | { | |
1058 | raw_cursor_to (vpos, 0); | |
1059 | background_highlight (tty); | |
1060 | while (--i >= 0) | |
1061 | OUTPUT (tty, single); | |
1062 | if (tty->TF_teleray) | |
1063 | curX (tty) = 0; | |
08a24c47 | 1064 | } |
08a24c47 JB |
1065 | else |
1066 | { | |
3224dac1 KL |
1067 | set_scroll_region (vpos, tty->specified_window); |
1068 | if (n < 0) | |
1069 | raw_cursor_to (tty->specified_window - 1, 0); | |
08a24c47 | 1070 | else |
3224dac1 KL |
1071 | raw_cursor_to (vpos, 0); |
1072 | background_highlight (tty); | |
1073 | while (--i >= 0) | |
1074 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
1075 | set_scroll_region (0, tty->specified_window); | |
1076 | } | |
1077 | ||
1078 | if (!FRAME_SCROLL_REGION_OK (f) | |
1079 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1080 | && n < 0) | |
1081 | { | |
1082 | cursor_to (FRAME_LINES (f) + n, 0); | |
1083 | clear_to_end (); | |
08a24c47 JB |
1084 | } |
1085 | } | |
1086 | \f | |
1087 | /* Compute cost of sending "str", in characters, | |
1088 | not counting any line-dependent padding. */ | |
1089 | ||
1090 | int | |
1091 | string_cost (str) | |
1092 | char *str; | |
1093 | { | |
1094 | cost = 0; | |
1095 | if (str) | |
1096 | tputs (str, 0, evalcost); | |
1097 | return cost; | |
1098 | } | |
1099 | ||
1100 | /* Compute cost of sending "str", in characters, | |
1101 | counting any line-dependent padding at one line. */ | |
1102 | ||
1103 | static int | |
1104 | string_cost_one_line (str) | |
1105 | char *str; | |
1106 | { | |
1107 | cost = 0; | |
1108 | if (str) | |
1109 | tputs (str, 1, evalcost); | |
1110 | return cost; | |
1111 | } | |
1112 | ||
1113 | /* Compute per line amount of line-dependent padding, | |
1114 | in tenths of characters. */ | |
1115 | ||
1116 | int | |
1117 | per_line_cost (str) | |
1118 | register char *str; | |
1119 | { | |
1120 | cost = 0; | |
1121 | if (str) | |
1122 | tputs (str, 0, evalcost); | |
1123 | cost = - cost; | |
1124 | if (str) | |
1125 | tputs (str, 10, evalcost); | |
1126 | return cost; | |
1127 | } | |
1128 | ||
1129 | #ifndef old | |
1130 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1131 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1132 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1133 | |
1134 | int *char_ins_del_vector; | |
1135 | ||
9882535b | 1136 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1137 | #endif |
1138 | ||
1139 | /* ARGSUSED */ | |
1140 | static void | |
fca177d4 KL |
1141 | calculate_ins_del_char_costs (f) |
1142 | FRAME_PTR f; | |
08a24c47 | 1143 | { |
28d7d09f | 1144 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1145 | int ins_startup_cost, del_startup_cost; |
1146 | int ins_cost_per_char, del_cost_per_char; | |
1147 | register int i; | |
1148 | register int *p; | |
1149 | ||
fca177d4 | 1150 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1151 | { |
1152 | ins_cost_per_char = 0; | |
fca177d4 | 1153 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1154 | } |
fca177d4 KL |
1155 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1156 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1157 | { |
fca177d4 KL |
1158 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1159 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1160 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1161 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1162 | } |
1163 | else | |
1164 | { | |
1165 | ins_startup_cost = 9999; | |
1166 | ins_cost_per_char = 0; | |
1167 | } | |
1168 | ||
fca177d4 | 1169 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1170 | { |
1171 | del_cost_per_char = 0; | |
fca177d4 | 1172 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1173 | } |
fca177d4 | 1174 | else if (tty->TS_del_char) |
08a24c47 | 1175 | { |
fca177d4 KL |
1176 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1177 | + string_cost (tty->TS_end_delete_mode)); | |
1178 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1179 | del_startup_cost /= 2; |
fca177d4 | 1180 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1181 | } |
1182 | else | |
1183 | { | |
1184 | del_startup_cost = 9999; | |
1185 | del_cost_per_char = 0; | |
1186 | } | |
1187 | ||
1188 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1189 | p = &char_ins_del_cost (f)[0]; |
1190 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1191 | *--p = (del_startup_cost += del_cost_per_char); |
1192 | ||
1193 | /* Doing nothing is free */ | |
fca177d4 | 1194 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1195 | *p++ = 0; |
1196 | ||
1197 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1198 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1199 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1200 | } | |
1201 | ||
dfcf069d | 1202 | void |
ff11dfa1 JB |
1203 | calculate_costs (frame) |
1204 | FRAME_PTR frame; | |
08a24c47 | 1205 | { |
9f732a77 | 1206 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1207 | |
28d440ab | 1208 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1209 | { |
1210 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1211 | register char *f = (tty->TS_set_scroll_region | |
1212 | ? tty->TS_set_scroll_region | |
1213 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1214 | |
daf01701 | 1215 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1216 | |
daf01701 | 1217 | tty->costs_set = 1; |
08a24c47 | 1218 | |
daf01701 KL |
1219 | /* These variables are only used for terminal stuff. They are |
1220 | allocated once for the terminal frame of X-windows emacs, but not | |
1221 | used afterwards. | |
8dd0c7cb | 1222 | |
daf01701 KL |
1223 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1224 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1225 | |
daf01701 KL |
1226 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1227 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1228 | |
daf01701 KL |
1229 | if (char_ins_del_vector != 0) |
1230 | char_ins_del_vector | |
1231 | = (int *) xrealloc (char_ins_del_vector, | |
1232 | (sizeof (int) | |
1233 | + 2 * max_frame_cols * sizeof (int))); | |
1234 | else | |
1235 | char_ins_del_vector | |
1236 | = (int *) xmalloc (sizeof (int) | |
1237 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1238 | |
daf01701 KL |
1239 | bzero (char_ins_del_vector, (sizeof (int) |
1240 | + 2 * max_frame_cols * sizeof (int))); | |
1241 | ||
1242 | ||
1243 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1244 | do_line_insertion_deletion_costs (frame, | |
1245 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1246 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1247 | f, f, 1); | |
1248 | else | |
1249 | do_line_insertion_deletion_costs (frame, | |
1250 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1251 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1252 | 0, 0, 1); | |
1253 | ||
1254 | calculate_ins_del_char_costs (frame); | |
1255 | ||
1256 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1257 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1258 | tty->RPov = string_cost (tty->TS_repeat); | |
1259 | else | |
1260 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1261 | |
daf01701 KL |
1262 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1263 | } | |
08a24c47 JB |
1264 | } |
1265 | \f | |
a796ac82 JB |
1266 | struct fkey_table { |
1267 | char *cap, *name; | |
1268 | }; | |
1269 | ||
01d8deb0 ER |
1270 | /* Termcap capability names that correspond directly to X keysyms. |
1271 | Some of these (marked "terminfo") aren't supplied by old-style | |
1272 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1273 | except we put the keypad keys first, so that if they clash with | |
1274 | other keys (as on the IBM PC keyboard) they get overridden. | |
1275 | */ | |
1276 | ||
a168702a GM |
1277 | static struct fkey_table keys[] = |
1278 | { | |
8103ad1a PJ |
1279 | {"kh", "home"}, /* termcap */ |
1280 | {"kl", "left"}, /* termcap */ | |
1281 | {"ku", "up"}, /* termcap */ | |
1282 | {"kr", "right"}, /* termcap */ | |
1283 | {"kd", "down"}, /* termcap */ | |
1284 | {"%8", "prior"}, /* terminfo */ | |
1285 | {"%5", "next"}, /* terminfo */ | |
1286 | {"@7", "end"}, /* terminfo */ | |
1287 | {"@1", "begin"}, /* terminfo */ | |
1288 | {"*6", "select"}, /* terminfo */ | |
1289 | {"%9", "print"}, /* terminfo */ | |
1290 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1291 | /* |
1292 | * "insert" --- see below | |
1293 | */ | |
8103ad1a PJ |
1294 | {"&8", "undo"}, /* terminfo */ |
1295 | {"%0", "redo"}, /* terminfo */ | |
1296 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1297 | {"@0", "find"}, /* terminfo */ | |
1298 | {"@2", "cancel"}, /* terminfo */ | |
1299 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1300 | /* |
1301 | * "break" goes here, but can't be reliably intercepted with termcap | |
1302 | */ | |
8103ad1a | 1303 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1304 | /* |
1305 | * "system" and "user" --- no termcaps | |
1306 | */ | |
8103ad1a PJ |
1307 | {"kE", "clearline"}, /* terminfo */ |
1308 | {"kA", "insertline"}, /* terminfo */ | |
1309 | {"kL", "deleteline"}, /* terminfo */ | |
1310 | {"kI", "insertchar"}, /* terminfo */ | |
1311 | {"kD", "deletechar"}, /* terminfo */ | |
1312 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1313 | /* |
1314 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1315 | */ | |
8103ad1a | 1316 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1317 | /* |
1318 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1319 | * "kp-multiply", "kp-add", "kp-separator", | |
1320 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1321 | * --- no termcaps for any of these. | |
1322 | */ | |
8103ad1a | 1323 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1324 | /* |
1325 | * "kp-2" --- no termcap | |
1326 | */ | |
8103ad1a | 1327 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1328 | /* |
1329 | * "kp-4" --- no termcap | |
1330 | */ | |
8103ad1a | 1331 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1332 | /* |
1333 | * "kp-6" --- no termcap | |
1334 | */ | |
8103ad1a | 1335 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1336 | /* |
1337 | * "kp-8" --- no termcap | |
1338 | */ | |
8103ad1a | 1339 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1340 | /* |
1341 | * "kp-equal" --- no termcap | |
1342 | */ | |
8103ad1a PJ |
1343 | {"k1", "f1"}, |
1344 | {"k2", "f2"}, | |
1345 | {"k3", "f3"}, | |
1346 | {"k4", "f4"}, | |
1347 | {"k5", "f5"}, | |
1348 | {"k6", "f6"}, | |
1349 | {"k7", "f7"}, | |
1350 | {"k8", "f8"}, | |
1351 | {"k9", "f9"} | |
a796ac82 JB |
1352 | }; |
1353 | ||
f2a00342 RM |
1354 | static char **term_get_fkeys_arg; |
1355 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1356 | |
01d8deb0 | 1357 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1358 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1359 | adds entries to Vfunction_key_map for each function key it finds. */ |
1360 | ||
5c2c7893 JB |
1361 | void |
1362 | term_get_fkeys (address) | |
1363 | char **address; | |
f2a00342 RM |
1364 | { |
1365 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1366 | errors during the call. The only errors should be from Fdefine_key | |
1367 | when given a key sequence containing an invalid prefix key. If the | |
1368 | termcap defines function keys which use a prefix that is already bound | |
1369 | to a command by the default bindings, we should silently ignore that | |
1370 | function key specification, rather than giving the user an error and | |
1371 | refusing to run at all on such a terminal. */ | |
1372 | ||
1373 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1374 | term_get_fkeys_arg = address; |
1375 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1376 | } | |
1377 | ||
1378 | static Lisp_Object | |
1379 | term_get_fkeys_1 () | |
5c2c7893 | 1380 | { |
5c2c7893 JB |
1381 | int i; |
1382 | ||
37085233 | 1383 | char **address = term_get_fkeys_arg; |
f778aff2 | 1384 | |
3e65092f RS |
1385 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1386 | if (!initialized) | |
1387 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1388 | ||
5c2c7893 JB |
1389 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1390 | { | |
1391 | char *sequence = tgetstr (keys[i].cap, address); | |
1392 | if (sequence) | |
f2a00342 RM |
1393 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1394 | Fmake_vector (make_number (1), | |
1395 | intern (keys[i].name))); | |
5c2c7893 | 1396 | } |
a796ac82 JB |
1397 | |
1398 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1399 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1400 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1401 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1402 | */ | |
1403 | { | |
1404 | char *k_semi = tgetstr ("k;", address); | |
1405 | char *k0 = tgetstr ("k0", address); | |
1406 | char *k0_name = "f10"; | |
1407 | ||
1408 | if (k_semi) | |
1409 | { | |
95c11956 SM |
1410 | if (k0) |
1411 | /* Define f0 first, so that f10 takes precedence in case the | |
1412 | key sequences happens to be the same. */ | |
1413 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1414 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1415 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1416 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1417 | } |
95c11956 | 1418 | else if (k0) |
f2a00342 RM |
1419 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1420 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1421 | } |
01d8deb0 ER |
1422 | |
1423 | /* Set up cookies for numbered function keys above f10. */ | |
1424 | { | |
1425 | char fcap[3], fkey[4]; | |
1426 | ||
fc4f24da | 1427 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1428 | for (i = 11; i < 64; i++) |
1429 | { | |
1430 | if (i <= 19) | |
1431 | fcap[1] = '1' + i - 11; | |
1432 | else if (i <= 45) | |
b59ab95c | 1433 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1434 | else |
b59ab95c | 1435 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1436 | |
fc4f24da RS |
1437 | { |
1438 | char *sequence = tgetstr (fcap, address); | |
1439 | if (sequence) | |
1440 | { | |
465db27b | 1441 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1442 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1443 | Fmake_vector (make_number (1), | |
1444 | intern (fkey))); | |
fc4f24da RS |
1445 | } |
1446 | } | |
01d8deb0 ER |
1447 | } |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * Various mappings to try and get a better fit. | |
1452 | */ | |
1453 | { | |
fc4f24da RS |
1454 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1455 | if (!tgetstr (cap1, address)) \ | |
1456 | { \ | |
1457 | char *sequence = tgetstr (cap2, address); \ | |
1458 | if (sequence) \ | |
f2a00342 RM |
1459 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1460 | Fmake_vector (make_number (1), \ | |
1461 | intern (sym))); \ | |
fc4f24da | 1462 | } |
177c0ea7 | 1463 | |
01d8deb0 | 1464 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1465 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1466 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1467 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1468 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1469 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1470 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1471 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1472 | |
1473 | /* IBM has their own non-standard dialect of terminfo. | |
1474 | If the standard name isn't found, try the IBM name. */ | |
1475 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1476 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1477 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1478 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1479 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1480 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1481 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1482 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1483 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1484 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1485 | } |
a168702a GM |
1486 | |
1487 | return Qnil; | |
5c2c7893 JB |
1488 | } |
1489 | ||
1490 | \f | |
a168702a GM |
1491 | /*********************************************************************** |
1492 | Character Display Information | |
1493 | ***********************************************************************/ | |
1494 | ||
1495 | static void append_glyph P_ ((struct it *)); | |
1496 | ||
1497 | ||
1498 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1499 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1500 | for which to produce glyphs; IT->face_id contains the character's | |
1501 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1502 | 1. */ | |
177c0ea7 | 1503 | |
a168702a GM |
1504 | static void |
1505 | append_glyph (it) | |
1506 | struct it *it; | |
1507 | { | |
1508 | struct glyph *glyph, *end; | |
1509 | int i; | |
1510 | ||
1511 | xassert (it->glyph_row); | |
1512 | glyph = (it->glyph_row->glyphs[it->area] | |
1513 | + it->glyph_row->used[it->area]); | |
1514 | end = it->glyph_row->glyphs[1 + it->area]; | |
1515 | ||
177c0ea7 JB |
1516 | for (i = 0; |
1517 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1518 | ++i) |
1519 | { | |
1520 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1521 | glyph->pixel_width = 1; |
32de38e4 KH |
1522 | glyph->u.ch = it->c; |
1523 | glyph->face_id = it->face_id; | |
1524 | glyph->padding_p = i > 0; | |
a168702a GM |
1525 | glyph->charpos = CHARPOS (it->position); |
1526 | glyph->object = it->object; | |
177c0ea7 | 1527 | |
a168702a GM |
1528 | ++it->glyph_row->used[it->area]; |
1529 | ++glyph; | |
1530 | } | |
1531 | } | |
1532 | ||
1533 | ||
b50fe468 RS |
1534 | /* Produce glyphs for the display element described by IT. *IT |
1535 | specifies what we want to produce a glyph for (character, image, ...), | |
1536 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1537 | produce_glyphs fills in output fields of *IT with information such as the | |
1538 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1539 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1540 | struct display_iterator in dispextern.h for an overview. |
1541 | ||
1542 | produce_glyphs also stores the result of glyph width, ascent | |
1543 | etc. computations in *IT. | |
1544 | ||
1545 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1546 | actually fill in the glyphs. This is used in the move_* functions | |
1547 | in xdisp.c for text width and height computations. | |
1548 | ||
1549 | Callers usually don't call produce_glyphs directly; | |
1550 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1551 | |
177c0ea7 | 1552 | void |
a168702a GM |
1553 | produce_glyphs (it) |
1554 | struct it *it; | |
1555 | { | |
1556 | /* If a hook is installed, let it do the work. */ | |
1557 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1558 | || it->what == IT_COMPOSITION |
a168702a GM |
1559 | || it->what == IT_IMAGE |
1560 | || it->what == IT_STRETCH); | |
177c0ea7 | 1561 | |
c7cba11d KH |
1562 | /* Nothing but characters are supported on terminal frames. For a |
1563 | composition sequence, it->c is the first character of the | |
1564 | sequence. */ | |
1565 | xassert (it->what == IT_CHARACTER | |
1566 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1567 | |
1568 | if (it->c >= 040 && it->c < 0177) | |
1569 | { | |
1570 | it->pixel_width = it->nglyphs = 1; | |
1571 | if (it->glyph_row) | |
1572 | append_glyph (it); | |
1573 | } | |
1574 | else if (it->c == '\n') | |
1575 | it->pixel_width = it->nglyphs = 0; | |
1576 | else if (it->c == '\t') | |
1577 | { | |
2efdbcdd | 1578 | int absolute_x = (it->current_x |
a168702a | 1579 | + it->continuation_lines_width); |
177c0ea7 JB |
1580 | int next_tab_x |
1581 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1582 | / it->tab_width) |
1583 | * it->tab_width); | |
1584 | int nspaces; | |
1585 | ||
1586 | /* If part of the TAB has been displayed on the previous line | |
1587 | which is continued now, continuation_lines_width will have | |
1588 | been incremented already by the part that fitted on the | |
1589 | continued line. So, we will get the right number of spaces | |
1590 | here. */ | |
1591 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1592 | |
a168702a GM |
1593 | if (it->glyph_row) |
1594 | { | |
1595 | int n = nspaces; | |
177c0ea7 | 1596 | |
a168702a GM |
1597 | it->c = ' '; |
1598 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1599 | |
a168702a GM |
1600 | while (n--) |
1601 | append_glyph (it); | |
177c0ea7 | 1602 | |
a168702a GM |
1603 | it->c = '\t'; |
1604 | } | |
1605 | ||
1606 | it->pixel_width = nspaces; | |
1607 | it->nglyphs = nspaces; | |
1608 | } | |
add44890 EZ |
1609 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1610 | { | |
cf872af5 | 1611 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1612 | must send the code as is to the terminal. Although there's |
1613 | no way to know how many columns it occupies on a screen, it | |
1614 | is a good assumption that a single byte code has 1-column | |
1615 | width. */ | |
1616 | it->pixel_width = it->nglyphs = 1; | |
1617 | if (it->glyph_row) | |
1618 | append_glyph (it); | |
1619 | } | |
a168702a GM |
1620 | else |
1621 | { | |
c7cba11d KH |
1622 | /* A multi-byte character. The display width is fixed for all |
1623 | characters of the set. Some of the glyphs may have to be | |
1624 | ignored because they are already displayed in a continued | |
1625 | line. */ | |
a168702a GM |
1626 | int charset = CHAR_CHARSET (it->c); |
1627 | ||
c7cba11d | 1628 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1629 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1630 | |
a168702a GM |
1631 | if (it->glyph_row) |
1632 | append_glyph (it); | |
1633 | } | |
1634 | ||
177c0ea7 | 1635 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1636 | the caller. */ |
1637 | if (it->area == TEXT_AREA) | |
1638 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1639 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1640 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1641 | } |
1642 | ||
1643 | ||
1644 | /* Get information about special display element WHAT in an | |
1645 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1646 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1647 | non-null glyph_row member. This function ensures that fields like | |
1648 | face_id, c, len of IT are left untouched. */ | |
1649 | ||
1650 | void | |
1651 | produce_special_glyphs (it, what) | |
1652 | struct it *it; | |
1653 | enum display_element_type what; | |
1654 | { | |
1655 | struct it temp_it; | |
177c0ea7 | 1656 | |
a168702a GM |
1657 | temp_it = *it; |
1658 | temp_it.dp = NULL; | |
1659 | temp_it.what = IT_CHARACTER; | |
1660 | temp_it.len = 1; | |
7c752c80 | 1661 | temp_it.object = make_number (0); |
a168702a GM |
1662 | bzero (&temp_it.current, sizeof temp_it.current); |
1663 | ||
1664 | if (what == IT_CONTINUATION) | |
1665 | { | |
1666 | /* Continuation glyph. */ | |
1667 | if (it->dp | |
1668 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1669 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1670 | { | |
1671 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1672 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1673 | } |
1674 | else | |
1675 | temp_it.c = '\\'; | |
177c0ea7 | 1676 | |
a168702a GM |
1677 | produce_glyphs (&temp_it); |
1678 | it->pixel_width = temp_it.pixel_width; | |
1679 | it->nglyphs = temp_it.pixel_width; | |
1680 | } | |
1681 | else if (what == IT_TRUNCATION) | |
1682 | { | |
1683 | /* Truncation glyph. */ | |
1684 | if (it->dp | |
1685 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1686 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1687 | { | |
1688 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1689 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1690 | } |
1691 | else | |
1692 | temp_it.c = '$'; | |
177c0ea7 | 1693 | |
a168702a GM |
1694 | produce_glyphs (&temp_it); |
1695 | it->pixel_width = temp_it.pixel_width; | |
1696 | it->nglyphs = temp_it.pixel_width; | |
1697 | } | |
1698 | else | |
1699 | abort (); | |
1700 | } | |
1701 | ||
1702 | ||
a168702a GM |
1703 | \f |
1704 | /*********************************************************************** | |
1705 | Faces | |
1706 | ***********************************************************************/ | |
1707 | ||
4e6ba4a4 GM |
1708 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1709 | one of the enumerators from enum no_color_bit, or a bit set built | |
1710 | from them. Some display attributes may not be used together with | |
1711 | color; the termcap capability `NC' specifies which ones. */ | |
1712 | ||
fca177d4 KL |
1713 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1714 | (tty->TN_max_colors > 0 \ | |
1715 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1716 | : 1) | |
a168702a GM |
1717 | |
1718 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1719 | ||
1720 | static void | |
1721 | turn_on_face (f, face_id) | |
1722 | struct frame *f; | |
1723 | int face_id; | |
1724 | { | |
1725 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1726 | long fg = face->foreground; |
1727 | long bg = face->background; | |
28d7d09f | 1728 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1729 | |
86a7d192 GM |
1730 | /* Do this first because TS_end_standout_mode may be the same |
1731 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1732 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1733 | { |
fca177d4 | 1734 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1735 | { |
1736 | if (fg >= 0 && bg >= 0) | |
1737 | { | |
1738 | /* If the terminal supports colors, we can set them | |
1739 | below without using reverse video. The face's fg | |
1740 | and bg colors are set as they should appear on | |
1741 | the screen, i.e. they take the inverse-video'ness | |
1742 | of the face already into account. */ | |
1743 | } | |
1744 | else if (inverse_video) | |
1745 | { | |
1746 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1747 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1748 | toggle_highlight (tty); |
86a7d192 GM |
1749 | } |
1750 | else | |
1751 | { | |
1752 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1753 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1754 | toggle_highlight (tty); |
86a7d192 GM |
1755 | } |
1756 | } | |
1757 | else | |
1758 | { | |
1759 | /* If we can't display colors, use reverse video | |
1760 | if the face specifies that. */ | |
37526b42 GM |
1761 | if (inverse_video) |
1762 | { | |
1763 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1764 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1765 | toggle_highlight (tty); |
37526b42 GM |
1766 | } |
1767 | else | |
1768 | { | |
1769 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1770 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1771 | toggle_highlight (tty); |
37526b42 | 1772 | } |
86a7d192 GM |
1773 | } |
1774 | } | |
a168702a GM |
1775 | |
1776 | if (face->tty_bold_p) | |
4e6ba4a4 | 1777 | { |
fca177d4 KL |
1778 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1779 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1780 | } |
a168702a | 1781 | else if (face->tty_dim_p) |
fca177d4 KL |
1782 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1783 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1784 | |
1785 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1786 | if (face->tty_alt_charset_p |
fca177d4 KL |
1787 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1788 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1789 | |
4e6ba4a4 | 1790 | if (face->tty_blinking_p |
fca177d4 KL |
1791 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1792 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1793 | |
fca177d4 KL |
1794 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1795 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1796 | |
fca177d4 | 1797 | if (tty->TN_max_colors > 0) |
a168702a GM |
1798 | { |
1799 | char *p; | |
177c0ea7 | 1800 | |
fca177d4 | 1801 | if (fg >= 0 && tty->TS_set_foreground) |
a168702a | 1802 | { |
fca177d4 | 1803 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) fg); |
6548cf00 | 1804 | OUTPUT (tty, p); |
a168702a GM |
1805 | xfree (p); |
1806 | } | |
1807 | ||
fca177d4 | 1808 | if (bg >= 0 && tty->TS_set_background) |
a168702a | 1809 | { |
fca177d4 | 1810 | p = tparam (tty->TS_set_background, NULL, 0, (int) bg); |
6548cf00 | 1811 | OUTPUT (tty, p); |
a168702a GM |
1812 | xfree (p); |
1813 | } | |
1814 | } | |
1815 | } | |
177c0ea7 | 1816 | |
a168702a GM |
1817 | |
1818 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1819 | ||
1820 | static void | |
1821 | turn_off_face (f, face_id) | |
1822 | struct frame *f; | |
1823 | int face_id; | |
1824 | { | |
1825 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1826 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1827 | |
1828 | xassert (face != NULL); | |
1829 | ||
fca177d4 | 1830 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1831 | { |
1832 | /* Capability "me" will turn off appearance modes double-bright, | |
1833 | half-bright, reverse-video, standout, underline. It may or | |
1834 | may not turn off alt-char-mode. */ | |
1835 | if (face->tty_bold_p | |
1836 | || face->tty_dim_p | |
1837 | || face->tty_reverse_p | |
1838 | || face->tty_alt_charset_p | |
1839 | || face->tty_blinking_p | |
1840 | || face->tty_underline_p) | |
65aa5e85 | 1841 | { |
fca177d4 KL |
1842 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1843 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1844 | tty->standout_mode = 0; | |
65aa5e85 | 1845 | } |
a168702a GM |
1846 | |
1847 | if (face->tty_alt_charset_p) | |
fca177d4 | 1848 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1849 | } |
1850 | else | |
1851 | { | |
1852 | /* If we don't have "me" we can only have those appearances | |
1853 | that have exit sequences defined. */ | |
1854 | if (face->tty_alt_charset_p) | |
fca177d4 | 1855 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1856 | |
54800acb | 1857 | if (face->tty_underline_p) |
fca177d4 | 1858 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1859 | } |
1860 | ||
1861 | /* Switch back to default colors. */ | |
fca177d4 | 1862 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1863 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1864 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1865 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1866 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1867 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1868 | } |
177c0ea7 JB |
1869 | |
1870 | ||
b63a55ac MB |
1871 | /* Return non-zero if the terminal on frame F supports all of the |
1872 | capabilities in CAPS simultaneously, with foreground and background | |
1873 | colors FG and BG. */ | |
1874 | ||
4a8130f2 | 1875 | int |
fca177d4 | 1876 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1877 | struct tty_display_info *tty; |
b63a55ac MB |
1878 | unsigned caps; |
1879 | unsigned long fg, bg; | |
1880 | { | |
fca177d4 KL |
1881 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1882 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1883 | return 0; |
1884 | ||
fca177d4 KL |
1885 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1886 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1887 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1888 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1889 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1890 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1891 | |
1892 | /* We can do it! */ | |
1893 | return 1; | |
1894 | } | |
1895 | ||
24268213 KL |
1896 | /* Return the tty display object specified by DISPLAY. DISPLAY may be |
1897 | a frame, a string, or nil for the display device of the current | |
1898 | frame. */ | |
3224dac1 KL |
1899 | |
1900 | static struct display * | |
1901 | get_tty_display (Lisp_Object display) | |
1902 | { | |
1903 | struct display *d; | |
1904 | ||
24268213 KL |
1905 | if (NILP (display)) |
1906 | display = selected_frame; | |
1907 | ||
3224dac1 KL |
1908 | if (! FRAMEP (display) && ! STRINGP (display)) |
1909 | return 0; | |
1910 | ||
1911 | /* The initial frame does not support colors. */ | |
1912 | if (FRAMEP (display) && FRAME_INITIAL_P (XFRAME (display))) | |
1913 | return 0; | |
1914 | ||
1915 | if (FRAMEP (display)) | |
1916 | { | |
1917 | if (! FRAME_TERMCAP_P (XFRAME (display))) | |
1918 | #if 0 /* XXX We need a predicate as the first argument; find one. */ | |
1919 | wrong_type_argument ("Not a termcap frame", display); | |
1920 | #else /* Until we fix the wrong_type_argument call above, simply throw | |
1921 | a dumb error. */ | |
1922 | error ("DISPLAY is not a termcap frame"); | |
1923 | #endif | |
1924 | ||
1925 | d = FRAME_DISPLAY (XFRAME (display)); | |
1926 | } | |
1927 | else if (STRINGP (display)) | |
1928 | { | |
1929 | char *name = (char *) alloca (SBYTES (display) + 1); | |
1930 | strncpy (name, SDATA (display), SBYTES (display)); | |
1931 | name[SBYTES (display)] = 0; | |
1932 | ||
1933 | d = get_named_tty_display (name); | |
1934 | ||
1935 | if (!d) | |
1936 | error ("There is no tty display on %s", name); | |
1937 | } | |
1938 | ||
1939 | return d; | |
1940 | } | |
1941 | ||
b63a55ac | 1942 | |
a168702a GM |
1943 | /* Return non-zero if the terminal is capable to display colors. */ |
1944 | ||
1945 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1946 | 0, 1, 0, |
99fdd6bc EZ |
1947 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
1948 | (display) | |
1949 | Lisp_Object display; | |
a168702a | 1950 | { |
3224dac1 KL |
1951 | struct display *d = get_tty_display (display); |
1952 | if (!d) | |
428a555e | 1953 | return Qnil; |
3224dac1 KL |
1954 | else |
1955 | return d->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; | |
a168702a GM |
1956 | } |
1957 | ||
bfa62f96 EZ |
1958 | /* Return the number of supported colors. */ |
1959 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1960 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
1961 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
1962 | (display) | |
1963 | Lisp_Object display; | |
bfa62f96 | 1964 | { |
3224dac1 KL |
1965 | struct display *d = get_tty_display (display); |
1966 | if (!d) | |
428a555e | 1967 | return Qnil; |
3224dac1 KL |
1968 | else |
1969 | return make_number (d->display_info.tty->TN_max_colors); | |
bfa62f96 EZ |
1970 | } |
1971 | ||
ace28297 | 1972 | #ifndef WINDOWSNT |
a168702a | 1973 | |
ace28297 EZ |
1974 | /* Save or restore the default color-related capabilities of this |
1975 | terminal. */ | |
1976 | static void | |
28d7d09f | 1977 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
1978 | { |
1979 | static char | |
1980 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
1981 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
1982 | ||
1983 | if (save) | |
1984 | { | |
1985 | if (default_orig_pair) | |
1986 | xfree (default_orig_pair); | |
fca177d4 | 1987 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1988 | |
1989 | if (default_set_foreground) | |
1990 | xfree (default_set_foreground); | |
fca177d4 | 1991 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
1992 | : NULL; |
1993 | ||
1994 | if (default_set_background) | |
1995 | xfree (default_set_background); | |
fca177d4 | 1996 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
1997 | : NULL; |
1998 | ||
fca177d4 KL |
1999 | default_max_colors = tty->TN_max_colors; |
2000 | default_max_pairs = tty->TN_max_pairs; | |
2001 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2002 | } |
2003 | else | |
2004 | { | |
fca177d4 KL |
2005 | tty->TS_orig_pair = default_orig_pair; |
2006 | tty->TS_set_foreground = default_set_foreground; | |
2007 | tty->TS_set_background = default_set_background; | |
2008 | tty->TN_max_colors = default_max_colors; | |
2009 | tty->TN_max_pairs = default_max_pairs; | |
2010 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2011 | } |
2012 | } | |
2013 | ||
2014 | /* Setup one of the standard tty color schemes according to MODE. | |
2015 | MODE's value is generally the number of colors which we want to | |
2016 | support; zero means set up for the default capabilities, the ones | |
2017 | we saw at term_init time; -1 means turn off color support. */ | |
2018 | void | |
28d7d09f | 2019 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2020 | { |
40409f05 EZ |
2021 | /* Canonicalize all negative values of MODE. */ |
2022 | if (mode < -1) | |
2023 | mode = -1; | |
2024 | ||
ace28297 EZ |
2025 | switch (mode) |
2026 | { | |
2027 | case -1: /* no colors at all */ | |
fca177d4 KL |
2028 | tty->TN_max_colors = 0; |
2029 | tty->TN_max_pairs = 0; | |
2030 | tty->TN_no_color_video = 0; | |
2031 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2032 | break; |
2033 | case 0: /* default colors, if any */ | |
2034 | default: | |
fca177d4 | 2035 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2036 | break; |
2037 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2038 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2039 | #ifdef TERMINFO |
fca177d4 KL |
2040 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2041 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2042 | #else |
fca177d4 KL |
2043 | tty->TS_set_foreground = "\033[3%dm"; |
2044 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2045 | #endif |
fca177d4 KL |
2046 | tty->TN_max_colors = 8; |
2047 | tty->TN_max_pairs = 64; | |
2048 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2049 | break; |
2050 | } | |
2051 | } | |
2052 | ||
2053 | void | |
2054 | set_tty_color_mode (f, val) | |
2055 | struct frame *f; | |
2056 | Lisp_Object val; | |
2057 | { | |
dfc7a077 | 2058 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2059 | Lisp_Object color_mode, current_mode; |
2060 | int mode, old_mode; | |
2061 | extern Lisp_Object Qtty_color_mode; | |
2062 | Lisp_Object tty_color_mode_alist; | |
2063 | ||
2064 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2065 | Qnil); | |
2066 | ||
9ac61a89 | 2067 | if (INTEGERP (val)) |
ace28297 EZ |
2068 | color_mode = val; |
2069 | else | |
2070 | { | |
2071 | if (NILP (tty_color_mode_alist)) | |
2072 | color_mode_spec = Qnil; | |
2073 | else | |
2074 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2075 | |
2076 | if (CONSP (color_mode_spec)) | |
2077 | color_mode = XCDR (color_mode_spec); | |
2078 | else | |
2079 | color_mode = Qnil; | |
2080 | } | |
545d91d5 RS |
2081 | |
2082 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2083 | ||
ace28297 EZ |
2084 | if (CONSP (current_mode_spec)) |
2085 | current_mode = XCDR (current_mode_spec); | |
2086 | else | |
2087 | current_mode = Qnil; | |
9ac61a89 | 2088 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2089 | mode = XINT (color_mode); |
2090 | else | |
2091 | mode = 0; /* meaning default */ | |
9ac61a89 | 2092 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2093 | old_mode = XINT (current_mode); |
2094 | else | |
2095 | old_mode = 0; | |
2096 | ||
2097 | if (mode != old_mode) | |
2098 | { | |
fca177d4 | 2099 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2100 | /* This recomputes all the faces given the new color |
2101 | definitions. */ | |
2102 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2103 | redraw_frame (f); | |
2104 | } | |
2105 | } | |
2106 | ||
2107 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2108 | |
2109 | \f | |
28d440ab | 2110 | |
da8e1115 KL |
2111 | /* Return the termcap display with the given name. If NAME is null, |
2112 | return the display corresponding to our controlling terminal. | |
2113 | ||
2114 | Returns NULL if the named terminal device is not opened. */ | |
2115 | ||
3224dac1 | 2116 | struct display * |
428a555e | 2117 | get_named_tty_display (name) |
28d440ab KL |
2118 | char *name; |
2119 | { | |
428a555e KL |
2120 | struct display *d; |
2121 | ||
2122 | for (d = display_list; d; d = d->next_display) { | |
2123 | if (d->type == output_termcap | |
2124 | && ((d->display_info.tty->name == 0 && name == 0) | |
2125 | || (name && d->display_info.tty->name | |
2126 | && !strcmp (d->display_info.tty->name, name)))) | |
2127 | return d; | |
28d440ab KL |
2128 | }; |
2129 | ||
2130 | return 0; | |
2131 | } | |
2132 | ||
2133 | \f | |
819b8f00 KL |
2134 | |
2135 | DEFUN ("frame-tty-name", Fframe_tty_name, Sframe_tty_name, 0, 1, 0, | |
2136 | doc: /* Return the name of the TTY device that FRAME is displayed on. */) | |
2137 | (frame) | |
2138 | Lisp_Object frame; | |
2139 | { | |
2140 | struct frame *f; | |
2141 | ||
2142 | if (NILP (frame)) | |
2143 | { | |
2144 | f = XFRAME (selected_frame); | |
2145 | } | |
2146 | else | |
2147 | { | |
2148 | CHECK_LIVE_FRAME (frame); | |
2149 | f = XFRAME (frame); | |
2150 | } | |
2151 | ||
2152 | if (f->output_method != output_termcap) | |
2153 | wrong_type_argument (Qframe_tty_name, frame); | |
2154 | ||
28d7d09f KL |
2155 | if (FRAME_TTY (f)->name) |
2156 | return build_string (FRAME_TTY (f)->name); | |
819b8f00 KL |
2157 | else |
2158 | return Qnil; | |
2159 | } | |
2160 | ||
2161 | DEFUN ("frame-tty-type", Fframe_tty_type, Sframe_tty_type, 0, 1, 0, | |
2162 | doc: /* Return the type of the TTY device that FRAME is displayed on. */) | |
2163 | (frame) | |
2164 | Lisp_Object frame; | |
2165 | { | |
2166 | struct frame *f; | |
daf01701 | 2167 | |
819b8f00 KL |
2168 | if (NILP (frame)) |
2169 | { | |
2170 | f = XFRAME (selected_frame); | |
2171 | } | |
2172 | else | |
2173 | { | |
2174 | CHECK_LIVE_FRAME (frame); | |
2175 | f = XFRAME (frame); | |
2176 | } | |
2177 | ||
2178 | if (f->output_method != output_termcap) | |
2179 | wrong_type_argument (Qframe_tty_type, frame); | |
2180 | ||
28d7d09f KL |
2181 | if (FRAME_TTY (f)->type) |
2182 | return build_string (FRAME_TTY (f)->type); | |
819b8f00 KL |
2183 | else |
2184 | return Qnil; | |
2185 | } | |
2186 | ||
2187 | \f | |
a168702a GM |
2188 | /*********************************************************************** |
2189 | Initialization | |
2190 | ***********************************************************************/ | |
2191 | ||
3224dac1 | 2192 | /* Create the bootstrap display device for the initial frame. |
da8e1115 | 2193 | Returns a display of type output_initial. */ |
3224dac1 | 2194 | |
428a555e | 2195 | struct display * |
3224dac1 | 2196 | init_initial_display (void) |
28d440ab | 2197 | { |
428a555e KL |
2198 | if (initialized || display_list || tty_list) |
2199 | abort (); | |
2200 | ||
3224dac1 KL |
2201 | initial_display = create_display (); |
2202 | initial_display->type = output_initial; | |
428a555e | 2203 | |
3224dac1 KL |
2204 | initial_display->delete_display_hook = &delete_initial_display; |
2205 | /* All other hooks are NULL. */ | |
428a555e | 2206 | |
3224dac1 KL |
2207 | return initial_display; |
2208 | } | |
2209 | ||
2210 | /* Deletes the bootstrap display device. | |
2211 | Called through delete_display_hook. */ | |
da8e1115 | 2212 | |
3224dac1 KL |
2213 | void |
2214 | delete_initial_display (struct display *display) | |
2215 | { | |
2216 | if (display != initial_display) | |
2217 | abort (); | |
2218 | ||
2219 | delete_display (display); | |
2220 | initial_display = NULL; | |
28d440ab KL |
2221 | } |
2222 | ||
3224dac1 KL |
2223 | /* Create a termcap display on the tty device with the given name and |
2224 | type. | |
2225 | ||
2226 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2227 | Otherwise NAME should be a path to the tty device file, | |
2228 | e.g. "/dev/pts/7". | |
28d440ab | 2229 | |
3224dac1 KL |
2230 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2231 | ||
2232 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2233 | |
428a555e | 2234 | struct display * |
3224dac1 | 2235 | term_init (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2236 | { |
2237 | char *area; | |
2238 | char **address = &area; | |
3a06a6d9 | 2239 | char *buffer = NULL; |
5846981b | 2240 | int buffer_size = 4096; |
08a24c47 JB |
2241 | register char *p; |
2242 | int status; | |
28d7d09f | 2243 | struct tty_display_info *tty; |
428a555e | 2244 | struct display *display; |
28d440ab | 2245 | |
3224dac1 KL |
2246 | static void maybe_fatal(); |
2247 | ||
2248 | if (!terminal_type) | |
2249 | maybe_fatal (must_succeed, 0, 0, | |
2250 | "Unknown terminal type", | |
2251 | "Unknown terminal type"); | |
2252 | ||
428a555e KL |
2253 | display = get_named_tty_display (name); |
2254 | if (display) | |
0b0d3e0b KL |
2255 | { |
2256 | if (! display->display_info.tty->input) | |
2257 | error ("%s already has a suspended frame on it, can't open it twice", name); | |
2258 | return display; | |
2259 | } | |
428a555e | 2260 | |
3224dac1 KL |
2261 | display = create_display (); |
2262 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); | |
2263 | bzero (tty, sizeof (struct tty_display_info)); | |
2264 | tty->next = tty_list; | |
2265 | tty_list = tty; | |
428a555e | 2266 | |
3224dac1 KL |
2267 | display->type = output_termcap; |
2268 | display->display_info.tty = tty; | |
2269 | tty->display = display; | |
28d440ab | 2270 | |
7b00d185 KL |
2271 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2272 | Wcm_clear (tty); | |
daf01701 | 2273 | |
428a555e | 2274 | display->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 KL |
2275 | |
2276 | display->cursor_to_hook = &tty_cursor_to; | |
2277 | display->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2278 | ||
2279 | display->clear_to_end_hook = &tty_clear_to_end; | |
2280 | display->clear_frame_hook = &tty_clear_frame; | |
2281 | display->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2282 | ||
2283 | display->ins_del_lines_hook = &tty_ins_del_lines; | |
2284 | ||
2285 | display->insert_glyphs_hook = &tty_insert_glyphs; | |
2286 | display->write_glyphs_hook = &tty_write_glyphs; | |
2287 | display->delete_glyphs_hook = &tty_delete_glyphs; | |
2288 | ||
2289 | display->ring_bell_hook = &tty_ring_bell; | |
2290 | ||
2291 | display->reset_terminal_modes_hook = &tty_reset_terminal_modes; | |
2292 | display->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2293 | display->update_begin_hook = 0; /* Not needed. */ | |
2294 | display->update_end_hook = &tty_update_end; | |
2295 | display->set_terminal_window_hook = &tty_set_terminal_window; | |
2296 | ||
2297 | display->mouse_position_hook = 0; /* Not needed. */ | |
2298 | display->frame_rehighlight_hook = 0; /* Not needed. */ | |
2299 | display->frame_raise_lower_hook = 0; /* Not needed. */ | |
2300 | ||
2301 | display->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2302 | display->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2303 | display->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2304 | display->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2305 | ||
8f1ce423 | 2306 | display->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ |
3224dac1 KL |
2307 | display->frame_up_to_date_hook = 0; /* Not needed. */ |
2308 | ||
428a555e KL |
2309 | display->delete_frame_hook = &delete_tty_output; |
2310 | display->delete_display_hook = &delete_tty; | |
2311 | ||
28d440ab KL |
2312 | if (name) |
2313 | { | |
2314 | int fd; | |
0a125897 | 2315 | FILE *file; |
0c72d684 KL |
2316 | |
2317 | #ifdef O_IGNORE_CTTY | |
2318 | /* Open the terminal device. Don't recognize it as our | |
2319 | controlling terminal, and don't make it the controlling tty | |
2320 | if we don't have one at the moment. */ | |
2321 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
2322 | #else | |
2323 | /* Alas, O_IGNORE_CTTY is a GNU extension that is only defined | |
2324 | on Hurd. On other systems, we need to dissociate ourselves | |
2325 | from the controlling tty when we want to open a frame on the | |
2326 | same terminal. The function setsid should be used for this, | |
2327 | but it didn't work for me. */ | |
2328 | ||
2329 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); | |
2330 | ||
2331 | #ifdef TIOCNOTTY | |
2332 | /* Drop our controlling tty if it is the same device. */ | |
2333 | if (ioctl (fd, TIOCNOTTY, 0) != -1) | |
2334 | { | |
2335 | no_controlling_tty = 1; | |
2336 | } | |
2337 | #endif | |
2338 | #endif /* O_IGNORE_CTTY */ | |
2339 | ||
28d440ab KL |
2340 | if (fd < 0) |
2341 | { | |
428a555e | 2342 | delete_tty (display); |
fca177d4 | 2343 | error ("Could not open file: %s", name); |
28d440ab | 2344 | } |
0c72d684 KL |
2345 | if (! isatty (fd)) |
2346 | { | |
2347 | close (fd); | |
2348 | error ("Not a tty device: %s", name); | |
2349 | } | |
2350 | ||
0a125897 | 2351 | file = fdopen (fd, "w+"); |
28d7d09f KL |
2352 | tty->name = xstrdup (name); |
2353 | tty->input = file; | |
2354 | tty->output = file; | |
28d440ab KL |
2355 | } |
2356 | else | |
2357 | { | |
0c72d684 KL |
2358 | if (no_controlling_tty) |
2359 | { | |
2360 | /* Opening a frame on stdout is unsafe if we have | |
2361 | disconnected our controlling terminal. */ | |
2362 | error ("There is no controlling terminal any more"); | |
2363 | } | |
28d7d09f KL |
2364 | tty->name = 0; |
2365 | tty->input = stdin; | |
2366 | tty->output = stdout; | |
28d440ab KL |
2367 | } |
2368 | ||
28d7d09f | 2369 | tty->type = xstrdup (terminal_type); |
28d440ab | 2370 | |
819b8f00 | 2371 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2372 | |
cb28b9c2 | 2373 | #ifdef WINDOWSNT |
29f27c39 | 2374 | initialize_w32_display (); |
cb28b9c2 | 2375 | |
fca177d4 | 2376 | Wcm_clear (tty); |
cb28b9c2 | 2377 | |
a678d9ff | 2378 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2379 | |
428a555e KL |
2380 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2381 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2382 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2383 | |
428a555e | 2384 | tty->display->delete_in_insert_mode = 1; |
cb28b9c2 | 2385 | |
daf01701 | 2386 | UseTabs (tty) = 0; |
428a555e | 2387 | display->scroll_region_ok = 0; |
cb28b9c2 RS |
2388 | |
2389 | /* Seems to insert lines when it's not supposed to, messing | |
2390 | up the display. In doing a trace, it didn't seem to be | |
2391 | called much, so I don't think we're losing anything by | |
2392 | turning it off. */ | |
428a555e KL |
2393 | display->line_ins_del_ok = 0; |
2394 | display->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2395 | |
2396 | baud_rate = 19200; | |
2397 | ||
428a555e KL |
2398 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2399 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2400 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2401 | |
428a555e | 2402 | return display; |
eccec691 | 2403 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2404 | |
6548cf00 | 2405 | Wcm_clear (tty); |
08a24c47 | 2406 | |
3a06a6d9 | 2407 | buffer = (char *) xmalloc (buffer_size); |
08a24c47 JB |
2408 | status = tgetent (buffer, terminal_type); |
2409 | if (status < 0) | |
b0347178 KH |
2410 | { |
2411 | #ifdef TERMINFO | |
3224dac1 KL |
2412 | maybe_fatal (must_succeed, buffer, display, |
2413 | "Cannot open terminfo database file", | |
2414 | "Cannot open terminfo database file"); | |
b0347178 | 2415 | #else |
3224dac1 KL |
2416 | maybe_fatal (must_succeed, buffer, display, |
2417 | "Cannot open termcap database file", | |
2418 | "Cannot open termcap database file"); | |
b0347178 KH |
2419 | #endif |
2420 | } | |
08a24c47 | 2421 | if (status == 0) |
b0347178 KH |
2422 | { |
2423 | #ifdef TERMINFO | |
3224dac1 KL |
2424 | maybe_fatal (must_succeed, buffer, display, |
2425 | "Terminal type %s is not defined", | |
2426 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2427 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2428 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2429 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2430 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2431 | terminal_type); |
b0347178 | 2432 | #else |
3224dac1 KL |
2433 | maybe_fatal (must_succeed, buffer, display, |
2434 | "Terminal type %s is not defined", | |
2435 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2436 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2437 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2438 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2439 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2440 | terminal_type); |
b0347178 KH |
2441 | #endif |
2442 | } | |
3a06a6d9 | 2443 | |
f730033e | 2444 | #ifndef TERMINFO |
3a06a6d9 | 2445 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2446 | abort (); |
f730033e | 2447 | buffer_size = strlen (buffer); |
3dd3a502 | 2448 | #endif |
f730033e | 2449 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2450 | |
fca177d4 KL |
2451 | tty->TS_ins_line = tgetstr ("al", address); |
2452 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2453 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2454 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2455 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2456 | tty->TS_clr_line = tgetstr ("ce", address); | |
2457 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2458 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2459 | AbsPosition (tty) = tgetstr ("cm", address); | |
2460 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2461 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2462 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2463 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2464 | tty->TS_del_char = tgetstr ("dc", address); |
2465 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2466 | tty->TS_del_line = tgetstr ("dl", address); | |
2467 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2468 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2469 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2470 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2471 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2472 | tty->TS_ins_char = tgetstr ("ic", address); |
2473 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2474 | tty->TS_insert_mode = tgetstr ("im", address); | |
2475 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2476 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2477 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2478 | LastLine (tty) = tgetstr ("ll", address); |
2479 | Right (tty) = tgetstr ("nd", address); | |
2480 | Down (tty) = tgetstr ("do", address); | |
2481 | if (!Down (tty)) | |
2482 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2483 | #ifdef VMS |
2484 | /* VMS puts a carriage return before each linefeed, | |
2485 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2486 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2487 | Down (tty) = 0; | |
08a24c47 JB |
2488 | #endif /* VMS */ |
2489 | if (tgetflag ("bs")) | |
6548cf00 | 2490 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2491 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2492 | Left (tty) = tgetstr ("le", address); |
2493 | if (!Left (tty)) | |
2494 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2495 | tty->TS_pad_char = tgetstr ("pc", address); |
2496 | tty->TS_repeat = tgetstr ("rp", address); | |
2497 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2498 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2499 | tty->TS_standout_mode = tgetstr ("so", address); | |
2500 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2501 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2502 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2503 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2504 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2505 | tty->TS_visible_bell = tgetstr ("vb", address); |
2506 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2507 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2508 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2509 | tty->TS_set_window = tgetstr ("wi", address); | |
2510 | ||
2511 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2512 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2513 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2514 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2515 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2516 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2517 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2518 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2519 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2520 | |
6548cf00 KL |
2521 | MultiUp (tty) = tgetstr ("UP", address); |
2522 | MultiDown (tty) = tgetstr ("DO", address); | |
2523 | MultiLeft (tty) = tgetstr ("LE", address); | |
2524 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2525 | |
e7f90eab GM |
2526 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2527 | color because we can't switch back to the default foreground and | |
2528 | background. */ | |
fca177d4 KL |
2529 | tty->TS_orig_pair = tgetstr ("op", address); |
2530 | if (tty->TS_orig_pair) | |
a168702a | 2531 | { |
fca177d4 KL |
2532 | tty->TS_set_foreground = tgetstr ("AF", address); |
2533 | tty->TS_set_background = tgetstr ("AB", address); | |
2534 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2535 | { |
2536 | /* SVr4. */ | |
fca177d4 KL |
2537 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2538 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2539 | } |
177c0ea7 | 2540 | |
fca177d4 KL |
2541 | tty->TN_max_colors = tgetnum ("Co"); |
2542 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2543 | |
fca177d4 KL |
2544 | tty->TN_no_color_video = tgetnum ("NC"); |
2545 | if (tty->TN_no_color_video == -1) | |
2546 | tty->TN_no_color_video = 0; | |
a168702a | 2547 | } |
a168702a | 2548 | |
fca177d4 | 2549 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2550 | |
6548cf00 | 2551 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2552 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2553 | the former flag imply the latter. */ | |
6548cf00 | 2554 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
428a555e | 2555 | display->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2556 | tty->TF_hazeltine = tgetflag ("hz"); |
428a555e | 2557 | display->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2558 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2559 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2560 | tty->TF_standout_motion = tgetflag ("ms"); | |
2561 | tty->TF_underscore = tgetflag ("ul"); | |
2562 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2563 | |
5c2c7893 JB |
2564 | term_get_fkeys (address); |
2565 | ||
ff11dfa1 | 2566 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2567 | { |
2568 | int height, width; | |
0b0d3e0b | 2569 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
2570 | FrameCols (tty) = width; |
2571 | FrameRows (tty) = height; | |
3b12ce12 RS |
2572 | } |
2573 | ||
0a125897 KL |
2574 | if (FrameCols (tty) <= 0) |
2575 | FrameCols (tty) = tgetnum ("co"); | |
2576 | if (FrameRows (tty) <= 0) | |
2577 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2578 | |
0a125897 | 2579 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
3224dac1 KL |
2580 | maybe_fatal (must_succeed, NULL, display, |
2581 | "Screen size %dx%d is too small" | |
2582 | "Screen size %dx%d is too small", | |
0a125897 | 2583 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2584 | |
8a56675d | 2585 | #if 0 /* This is not used anywhere. */ |
428a555e | 2586 | tty->display->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2587 | #endif |
28d440ab | 2588 | |
6548cf00 | 2589 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2590 | |
2591 | #ifdef VMS | |
2592 | /* These capabilities commonly use ^J. | |
2593 | I don't know why, but sending them on VMS does not work; | |
2594 | it causes following spaces to be lost, sometimes. | |
2595 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2596 | if (Down (tty) && Down (tty)[0] == '\n') |
2597 | Down (tty) = 0; | |
08a24c47 JB |
2598 | #endif /* VMS */ |
2599 | ||
fca177d4 KL |
2600 | if (!tty->TS_bell) |
2601 | tty->TS_bell = "\07"; | |
08a24c47 | 2602 | |
fca177d4 KL |
2603 | if (!tty->TS_fwd_scroll) |
2604 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2605 | |
fca177d4 | 2606 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2607 | |
6548cf00 KL |
2608 | if (TabWidth (tty) < 0) |
2609 | TabWidth (tty) = 8; | |
177c0ea7 | 2610 | |
08a24c47 JB |
2611 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2612 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2613 | if (!tty->Wcm->cm_tab) |
2614 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2615 | */ |
2616 | ||
54800acb MB |
2617 | /* We don't support standout modes that use `magic cookies', so |
2618 | turn off any that do. */ | |
fca177d4 | 2619 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2620 | { |
fca177d4 KL |
2621 | tty->TS_standout_mode = 0; |
2622 | tty->TS_end_standout_mode = 0; | |
54800acb | 2623 | } |
fca177d4 | 2624 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2625 | { |
fca177d4 KL |
2626 | tty->TS_enter_underline_mode = 0; |
2627 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2628 | } |
2629 | ||
2630 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2631 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2632 | { |
fca177d4 KL |
2633 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2634 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2635 | } |
2636 | ||
afd359c4 RS |
2637 | /* If no `se' string, try using a `me' string instead. |
2638 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2639 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2640 | { |
e4bfb3b6 | 2641 | char *s = tgetstr ("me", address); |
afd359c4 | 2642 | if (s != 0) |
fca177d4 | 2643 | tty->TS_end_standout_mode = s; |
afd359c4 | 2644 | else |
fca177d4 | 2645 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2646 | } |
2647 | ||
fca177d4 | 2648 | if (tty->TF_teleray) |
08a24c47 | 2649 | { |
6548cf00 | 2650 | tty->Wcm->cm_tab = 0; |
54800acb | 2651 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2652 | tty->TS_standout_mode = 0; |
08a24c47 | 2653 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2654 | CR (tty) = 0; |
08a24c47 JB |
2655 | /* LF can't be trusted either -- can alter hpos */ |
2656 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2657 | Down (tty) = 0; |
08a24c47 JB |
2658 | } |
2659 | ||
2660 | /* Special handling for certain terminal types known to need it */ | |
2661 | ||
2662 | if (!strcmp (terminal_type, "supdup")) | |
2663 | { | |
428a555e | 2664 | display->memory_below_frame = 1; |
6548cf00 | 2665 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2666 | } |
2667 | if (!strncmp (terminal_type, "c10", 3) | |
2668 | || !strcmp (terminal_type, "perq")) | |
2669 | { | |
2670 | /* Supply a makeshift :wi string. | |
2671 | This string is not valid in general since it works only | |
2672 | for windows starting at the upper left corner; | |
2673 | but that is all Emacs uses. | |
daf01701 | 2674 | |
ff11dfa1 | 2675 | This string works only if the frame is using |
08a24c47 JB |
2676 | the top of the video memory, because addressing is memory-relative. |
2677 | So first check the :ti string to see if that is true. | |
2678 | ||
2679 | It would be simpler if the :wi string could go in the termcap | |
2680 | entry, but it can't because it is not fully valid. | |
2681 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2682 | if (!tty->TS_set_window) |
08a24c47 | 2683 | { |
fca177d4 | 2684 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2685 | while (*p && strcmp (p, "\033v ")) |
2686 | p++; | |
2687 | if (*p) | |
fca177d4 | 2688 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2689 | } |
2690 | /* Termcap entry often fails to have :in: flag */ | |
428a555e | 2691 | display->must_write_spaces = 1; |
08a24c47 JB |
2692 | /* :ti string typically fails to have \E^G! in it */ |
2693 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2694 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2695 | strcat (area, "\033\007!"); |
fca177d4 | 2696 | tty->TS_termcap_modes = area; |
08a24c47 | 2697 | area += strlen (area) + 1; |
6548cf00 | 2698 | p = AbsPosition (tty); |
08a24c47 | 2699 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2700 | values above 96 correctly for the C100. */ |
08a24c47 | 2701 | while (*p) |
28d440ab KL |
2702 | { |
2703 | if (p[0] == '%' && p[1] == '+') | |
2704 | p[1] = 'C'; | |
2705 | p++; | |
2706 | } | |
08a24c47 JB |
2707 | } |
2708 | ||
0a125897 | 2709 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2710 | |
6548cf00 | 2711 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 KL |
2712 | { |
2713 | maybe_fatal (must_succeed, NULL, display, | |
2714 | "Terminal type \"%s\" is not powerful enough to run Emacs", | |
08a24c47 | 2715 | #ifdef VMS |
3224dac1 | 2716 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2717 | It lacks the ability to position the cursor.\n\ |
2718 | If that is not the actual type of terminal you have, use either the\n\ | |
2719 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2720 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2721 | #else /* not VMS */ |
2722 | # ifdef TERMINFO | |
3224dac1 | 2723 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2724 | It lacks the ability to position the cursor.\n\ |
2725 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2726 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2727 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2728 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2729 | # else /* TERMCAP */ |
3224dac1 | 2730 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2731 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2732 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2733 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2734 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2735 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2736 | # endif /* TERMINFO */ |
2737 | #endif /*VMS */ | |
3224dac1 | 2738 | terminal_type); |
fca177d4 | 2739 | } |
daf01701 | 2740 | |
0a125897 | 2741 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
3224dac1 KL |
2742 | maybe_fatal (must_succeed, NULL, display, |
2743 | "Could not determine the frame size", | |
2744 | "Could not determine the frame size"); | |
08a24c47 | 2745 | |
fca177d4 KL |
2746 | tty->delete_in_insert_mode |
2747 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2748 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2749 | |
fca177d4 KL |
2750 | tty->se_is_so = (tty->TS_standout_mode |
2751 | && tty->TS_end_standout_mode | |
2752 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2753 | |
0b0d3e0b | 2754 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 2755 | |
428a555e | 2756 | display->scroll_region_ok |
6548cf00 | 2757 | = (tty->Wcm->cm_abs |
fca177d4 | 2758 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2759 | |
428a555e | 2760 | display->line_ins_del_ok |
fca177d4 KL |
2761 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2762 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
428a555e | 2763 | || (display->scroll_region_ok |
fca177d4 | 2764 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2765 | |
428a555e | 2766 | display->char_ins_del_ok |
fca177d4 KL |
2767 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2768 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2769 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2770 | |
428a555e | 2771 | display->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2772 | |
0b0d3e0b | 2773 | init_baud_rate (fileno (tty->input)); |
20a558dc | 2774 | |
daf01701 KL |
2775 | #ifdef AIXHFT |
2776 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2777 | really ugly at times. */ | |
428a555e KL |
2778 | display->line_ins_del_ok = 0; |
2779 | display->char_ins_del_ok = 0; | |
daf01701 KL |
2780 | #endif |
2781 | ||
7b00d185 KL |
2782 | #ifdef MULTI_KBOARD |
2783 | tty->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
2784 | init_kboard (tty->kboard); | |
2785 | tty->kboard->next_kboard = all_kboards; | |
2786 | all_kboards = tty->kboard; | |
2787 | /* Don't let the initial kboard remain current longer than necessary. | |
2788 | That would cause problems if a file loaded on startup tries to | |
2789 | prompt in the mini-buffer. */ | |
2790 | if (current_kboard == initial_kboard) | |
2791 | current_kboard = tty->kboard; | |
2792 | tty->kboard->reference_count++; | |
2793 | #endif | |
2794 | ||
0a125897 KL |
2795 | /* Don't do this. I think termcap may still need the buffer. */ |
2796 | /* xfree (buffer); */ | |
28d440ab | 2797 | |
0a125897 KL |
2798 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2799 | init_sys_modes (tty); | |
daf01701 | 2800 | |
428a555e | 2801 | return display; |
7b00d185 | 2802 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2803 | } |
2804 | ||
3224dac1 KL |
2805 | /* Auxiliary error-handling function for term_init. |
2806 | Free BUFFER and delete DISPLAY, then call error or fatal | |
da8e1115 KL |
2807 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
2808 | ||
3224dac1 KL |
2809 | static void |
2810 | maybe_fatal (must_succeed, buffer, display, str1, str2, arg1, arg2) | |
2811 | int must_succeed; | |
2812 | char *buffer; | |
2813 | struct display *display; | |
2814 | char *str1, *str2, *arg1, *arg2; | |
2815 | { | |
2816 | if (buffer) | |
2817 | xfree (buffer); | |
2818 | ||
2819 | if (display) | |
2820 | delete_tty (display); | |
2821 | ||
2822 | if (must_succeed) | |
2823 | fatal (str2, arg1, arg2); | |
2824 | else | |
2825 | error (str1, arg1, arg2); | |
2826 | ||
2827 | abort (); | |
2828 | } | |
2829 | ||
08a24c47 | 2830 | /* VARARGS 1 */ |
dfcf069d | 2831 | void |
08a24c47 | 2832 | fatal (str, arg1, arg2) |
4746118a | 2833 | char *str, *arg1, *arg2; |
08a24c47 JB |
2834 | { |
2835 | fprintf (stderr, "emacs: "); | |
2836 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2837 | fprintf (stderr, "\n"); |
08a24c47 JB |
2838 | fflush (stderr); |
2839 | exit (1); | |
2840 | } | |
07c57952 | 2841 | |
819b8f00 KL |
2842 | \f |
2843 | ||
2844 | DEFUN ("delete-tty", Fdelete_tty, Sdelete_tty, 0, 1, 0, | |
4d553a13 KL |
2845 | doc: /* Delete all frames on the terminal named TTY, and close the device. |
2846 | If omitted, TTY defaults to the controlling terminal. | |
2847 | ||
2848 | This function runs `delete-tty-after-functions' after closing the | |
2849 | tty. The functions are run with one arg, the frame to be deleted. */) | |
819b8f00 KL |
2850 | (tty) |
2851 | Lisp_Object tty; | |
07c57952 | 2852 | { |
428a555e | 2853 | struct display *d; |
819b8f00 | 2854 | char *name = 0; |
c291d9ef | 2855 | |
819b8f00 | 2856 | CHECK_STRING (tty); |
daf01701 | 2857 | |
819b8f00 KL |
2858 | if (SBYTES (tty) > 0) |
2859 | { | |
2860 | name = (char *) alloca (SBYTES (tty) + 1); | |
2861 | strncpy (name, SDATA (tty), SBYTES (tty)); | |
2862 | name[SBYTES (tty)] = 0; | |
2863 | } | |
a168702a | 2864 | |
428a555e | 2865 | d = get_named_tty_display (name); |
6548cf00 | 2866 | |
428a555e KL |
2867 | if (! d) |
2868 | error ("No such terminal device: %s", name); | |
daf01701 | 2869 | |
428a555e | 2870 | delete_tty (d); |
0c72d684 KL |
2871 | |
2872 | return Qnil; | |
07c57952 | 2873 | } |
a168702a | 2874 | |
0a125897 KL |
2875 | static int deleting_tty = 0; |
2876 | ||
da8e1115 KL |
2877 | |
2878 | /* Delete the given terminal device, closing all frames on it. */ | |
2879 | ||
fca177d4 | 2880 | void |
428a555e | 2881 | delete_tty (struct display *display) |
fca177d4 | 2882 | { |
428a555e | 2883 | struct tty_display_info *tty; |
fca177d4 | 2884 | Lisp_Object tail, frame; |
4d553a13 | 2885 | char *tty_name; |
81be1a93 | 2886 | int last_display; |
4d553a13 | 2887 | |
0a125897 KL |
2888 | if (deleting_tty) |
2889 | /* We get a recursive call when we delete the last frame on this | |
428a555e | 2890 | display. */ |
0a125897 | 2891 | return; |
fca177d4 | 2892 | |
428a555e KL |
2893 | if (display->type != output_termcap) |
2894 | abort (); | |
2895 | ||
2896 | tty = display->display_info.tty; | |
2897 | ||
81be1a93 KL |
2898 | last_display = 1; |
2899 | FOR_EACH_FRAME (tail, frame) | |
2900 | { | |
2901 | struct frame *f = XFRAME (frame); | |
2902 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
2903 | { | |
2904 | last_display = 0; | |
2905 | break; | |
2906 | } | |
2907 | } | |
2908 | if (last_display) | |
2909 | error ("Attempt to delete the sole display with live frames"); | |
2910 | ||
fca177d4 KL |
2911 | if (tty == tty_list) |
2912 | tty_list = tty->next; | |
2913 | else | |
2914 | { | |
28d7d09f | 2915 | struct tty_display_info *p; |
fca177d4 KL |
2916 | for (p = tty_list; p && p->next != tty; p = p->next) |
2917 | ; | |
2918 | ||
2919 | if (! p) | |
2920 | /* This should not happen. */ | |
2921 | abort (); | |
2922 | ||
0a125897 KL |
2923 | p->next = tty->next; |
2924 | tty->next = 0; | |
fca177d4 KL |
2925 | } |
2926 | ||
81be1a93 KL |
2927 | deleting_tty = 1; |
2928 | ||
04c3243c KL |
2929 | FOR_EACH_FRAME (tail, frame) |
2930 | { | |
2931 | struct frame *f = XFRAME (frame); | |
daf01701 | 2932 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
2933 | { |
2934 | Fdelete_frame (frame, Qt); | |
04c3243c KL |
2935 | } |
2936 | } | |
daf01701 | 2937 | |
3224dac1 KL |
2938 | /* reset_sys_modes needs a valid display, so this call needs to be |
2939 | before delete_display. */ | |
04c3243c | 2940 | reset_sys_modes (tty); |
fca177d4 | 2941 | |
3224dac1 KL |
2942 | delete_display (display); |
2943 | ||
4d553a13 | 2944 | tty_name = tty->name; |
fca177d4 KL |
2945 | if (tty->type) |
2946 | xfree (tty->type); | |
daf01701 | 2947 | |
fca177d4 | 2948 | if (tty->input) |
819b8f00 KL |
2949 | { |
2950 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
2951 | if (tty->input != stdin) | |
2952 | fclose (tty->input); | |
2953 | } | |
2954 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
2955 | fclose (tty->output); |
2956 | if (tty->termscript) | |
2957 | fclose (tty->termscript); | |
daf01701 | 2958 | |
fca177d4 | 2959 | if (tty->old_tty) |
0a125897 | 2960 | xfree (tty->old_tty); |
fca177d4 | 2961 | |
0a125897 | 2962 | if (tty->Wcm) |
daf01701 KL |
2963 | xfree (tty->Wcm); |
2964 | ||
7b00d185 KL |
2965 | #ifdef MULTI_KBOARD |
2966 | if (tty->kboard && --tty->kboard->reference_count > 0) | |
2967 | abort (); | |
2968 | if (tty->kboard) | |
2969 | delete_kboard (tty->kboard); | |
2970 | #endif | |
2971 | ||
28d7d09f | 2972 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 2973 | xfree (tty); |
0a125897 | 2974 | deleting_tty = 0; |
4d553a13 KL |
2975 | |
2976 | /* Run `delete-tty-after-functions'. */ | |
2977 | if (!NILP (Vrun_hooks)) | |
2978 | { | |
2979 | Lisp_Object args[2]; | |
2980 | args[0] = intern ("delete-tty-after-functions"); | |
2981 | if (tty_name) | |
2982 | { | |
2983 | args[1] = build_string (tty_name); | |
2984 | xfree (tty_name); | |
2985 | } | |
2986 | else | |
2987 | args[1] = Qnil; | |
2988 | Frun_hook_with_args (2, args); | |
2989 | } | |
fca177d4 KL |
2990 | } |
2991 | ||
428a555e KL |
2992 | \f |
2993 | ||
2994 | /* Initialize the tty-dependent part of frame F. The frame must | |
2995 | already have its display initialized. */ | |
da8e1115 | 2996 | |
428a555e KL |
2997 | void |
2998 | create_tty_output (struct frame *f) | |
2999 | { | |
e9cda827 KL |
3000 | struct tty_output *t; |
3001 | ||
428a555e KL |
3002 | if (! FRAME_TERMCAP_P (f)) |
3003 | abort (); | |
3004 | ||
e9cda827 | 3005 | t = xmalloc (sizeof (struct tty_output)); |
428a555e KL |
3006 | bzero (t, sizeof (struct tty_output)); |
3007 | ||
3008 | t->display_info = FRAME_DISPLAY (f)->display_info.tty; | |
3009 | ||
3010 | f->output_data.tty = t; | |
3011 | } | |
3012 | ||
3013 | /* Delete the tty-dependent part of frame F. */ | |
da8e1115 | 3014 | |
428a555e KL |
3015 | void |
3016 | delete_tty_output (struct frame *f) | |
3017 | { | |
3018 | if (! FRAME_TERMCAP_P (f)) | |
3019 | abort (); | |
3020 | ||
3021 | xfree (f->output_data.tty); | |
3022 | } | |
3023 | ||
fca177d4 | 3024 | |
819b8f00 | 3025 | \f |
28d440ab | 3026 | |
28d7d09f | 3027 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3028 | Called by the Fgarbage_collector. */ |
da8e1115 | 3029 | |
fca177d4 | 3030 | void |
819b8f00 | 3031 | mark_ttys () |
fca177d4 | 3032 | { |
28d7d09f | 3033 | struct tty_display_info *tty; |
0c72d684 | 3034 | |
819b8f00 | 3035 | for (tty = tty_list; tty; tty = tty->next) |
fca177d4 | 3036 | { |
819b8f00 KL |
3037 | if (tty->top_frame) |
3038 | mark_object (tty->top_frame); | |
fca177d4 KL |
3039 | } |
3040 | } | |
3041 | ||
428a555e KL |
3042 | \f |
3043 | ||
3044 | /* Create a new display object and add it to the display list. */ | |
da8e1115 | 3045 | |
428a555e KL |
3046 | struct display * |
3047 | create_display (void) | |
3048 | { | |
3049 | struct display *dev = (struct display *) xmalloc (sizeof (struct display)); | |
3050 | ||
3051 | bzero (dev, sizeof (struct display)); | |
3052 | dev->next_display = display_list; | |
3053 | display_list = dev; | |
3054 | ||
3055 | return dev; | |
3056 | } | |
3057 | ||
3058 | /* Remove a display from the display list and free its memory. */ | |
da8e1115 | 3059 | |
428a555e KL |
3060 | void |
3061 | delete_display (struct display *dev) | |
3062 | { | |
3063 | struct display **dp; | |
d448e982 KL |
3064 | Lisp_Object tail, frame; |
3065 | ||
3066 | /* Check for and close live frames that are still on this | |
3067 | display. */ | |
3068 | FOR_EACH_FRAME (tail, frame) | |
3069 | { | |
3070 | struct frame *f = XFRAME (frame); | |
3071 | if (FRAME_LIVE_P (f) && f->display == dev) | |
3072 | { | |
3073 | Fdelete_frame (frame, Qt); | |
3074 | } | |
3075 | } | |
3076 | ||
428a555e KL |
3077 | for (dp = &display_list; *dp != dev; dp = &(*dp)->next_display) |
3078 | if (! *dp) | |
3079 | abort (); | |
3080 | *dp = dev->next_display; | |
3081 | ||
3082 | bzero (dev, sizeof (struct display)); | |
3083 | xfree (dev); | |
3084 | } | |
3085 | ||
0b0d3e0b KL |
3086 | \f |
3087 | ||
3088 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
3089 | doc: /* Suspend the terminal device TTY. | |
3090 | The terminal is restored to its default state, and Emacs closes all | |
3091 | access to the terminal device. Frames that use the device are not | |
3092 | deleted, but input is not read from them and if they change, their | |
3093 | display is not updated. | |
3094 | ||
3095 | TTY may a string (a device name), a frame, or nil for the display | |
3096 | device of the currently selected frame. | |
3097 | ||
3098 | This function runs `suspend-tty-functions' after suspending the | |
3099 | device. The functions are run with one arg, the name of the terminal | |
3100 | device. | |
3101 | ||
3102 | `suspend-tty' does nothing if it is called on an already suspended | |
3103 | device. | |
3104 | ||
3105 | A suspended terminal device may be resumed by calling `resume-tty' on | |
3106 | it. */) | |
3107 | (tty) | |
3108 | Lisp_Object tty; | |
3109 | { | |
3110 | struct display *d = get_tty_display (tty); | |
3111 | FILE *f; | |
3112 | ||
3113 | if (!d) | |
3114 | error ("Unknown tty device"); | |
3115 | ||
3116 | f = d->display_info.tty->input; | |
3117 | ||
3118 | if (f) | |
3119 | { | |
3120 | reset_sys_modes (d->display_info.tty); | |
3121 | ||
3122 | delete_keyboard_wait_descriptor (fileno (f)); | |
3123 | ||
3124 | fclose (f); | |
3125 | if (f != d->display_info.tty->output) | |
3126 | fclose (d->display_info.tty->output); | |
3127 | ||
3128 | d->display_info.tty->input = 0; | |
3129 | d->display_info.tty->output = 0; | |
3130 | ||
3131 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3132 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 0); | |
3133 | ||
3134 | /* Run `suspend-tty-functions'. */ | |
3135 | if (!NILP (Vrun_hooks)) | |
3136 | { | |
3137 | Lisp_Object args[2]; | |
3138 | args[0] = intern ("suspend-tty-functions"); | |
3139 | if (d->display_info.tty->name) | |
3140 | { | |
3141 | args[1] = build_string (d->display_info.tty->name); | |
3142 | } | |
3143 | else | |
3144 | args[1] = Qnil; | |
3145 | Frun_hook_with_args (2, args); | |
3146 | } | |
3147 | } | |
3148 | ||
3149 | return Qnil; | |
3150 | } | |
3151 | ||
3152 | ||
3153 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
3154 | doc: /* Resume the previously suspended terminal device TTY. | |
3155 | The terminal is opened and reinitialized. Frames that used the | |
3156 | suspended device are revived. | |
3157 | ||
3158 | This function runs `resume-tty-functions' after resuming the device. | |
3159 | The functions are run with one arg, the name of the terminal device. | |
3160 | ||
3161 | `resume-tty' does nothing if it is called on a device that is not | |
3162 | suspended. | |
3163 | ||
3164 | TTY may a string (a device name), a frame, or nil for the display | |
3165 | device of the currently selected frame. */) | |
3166 | (tty) | |
3167 | Lisp_Object tty; | |
3168 | { | |
3169 | struct display *d = get_tty_display (tty); | |
3170 | int fd; | |
3171 | ||
3172 | if (!d) | |
3173 | error ("Unknown tty device"); | |
3174 | ||
3175 | if (!d->display_info.tty->input) | |
3176 | { | |
3177 | fd = emacs_open (d->display_info.tty->name, O_RDWR | O_NOCTTY, 0); | |
3178 | ||
3179 | #ifdef TIOCNOTTY | |
3180 | /* Drop our controlling tty if it is the same device. */ | |
3181 | if (ioctl (fd, TIOCNOTTY, 0) != -1) | |
3182 | { | |
3183 | no_controlling_tty = 1; | |
3184 | } | |
3185 | #endif | |
3186 | ||
3187 | d->display_info.tty->output = fdopen (fd, "w+"); | |
3188 | d->display_info.tty->input = d->display_info.tty->output; | |
3189 | ||
3190 | add_keyboard_wait_descriptor (fd); | |
3191 | ||
3192 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3193 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 1); | |
3194 | ||
3195 | init_sys_modes (d->display_info.tty); | |
3196 | ||
3197 | /* Run `suspend-tty-functions'. */ | |
3198 | if (!NILP (Vrun_hooks)) | |
3199 | { | |
3200 | Lisp_Object args[2]; | |
3201 | args[0] = intern ("resume-tty-functions"); | |
3202 | if (d->display_info.tty->name) | |
3203 | { | |
3204 | args[1] = build_string (d->display_info.tty->name); | |
3205 | } | |
3206 | else | |
3207 | args[1] = Qnil; | |
3208 | Frun_hook_with_args (2, args); | |
3209 | } | |
3210 | } | |
3211 | ||
3212 | return Qnil; | |
3213 | } | |
28d440ab | 3214 | |
819b8f00 KL |
3215 | \f |
3216 | void | |
3217 | syms_of_term () | |
3218 | { | |
3219 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3220 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3221 | This variable can be used by terminal emulator packages. */); | |
3222 | #ifdef TERMINFO | |
3223 | system_uses_terminfo = 1; | |
3224 | #else | |
3225 | system_uses_terminfo = 0; | |
3226 | #endif | |
3227 | ||
3228 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
3229 | doc: /* Non-nil means call this function to ring the bell. | |
3230 | The function should accept no arguments. */); | |
3231 | Vring_bell_function = Qnil; | |
3232 | ||
4d553a13 KL |
3233 | DEFVAR_LISP ("delete-tty-after-functions", &Vdelete_tty_after_functions, |
3234 | doc: /* Functions to be run after deleting a tty. | |
3235 | The functions are run with one argument, the name of the tty to be deleted. | |
3236 | See `delete-tty'. */); | |
3237 | Vdelete_tty_after_functions = Qnil; | |
3238 | ||
0b0d3e0b KL |
3239 | |
3240 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, | |
3241 | doc: /* Functions to be run after suspending a tty. | |
3242 | The functions are run with one argument, the name of the tty to be suspended. | |
3243 | See `suspend-tty'. */); | |
3244 | Vsuspend_tty_functions = Qnil; | |
3245 | ||
3246 | ||
3247 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, | |
3248 | doc: /* Functions to be run after resuming a tty. | |
3249 | The functions are run with one argument, the name of the tty that was revived. | |
3250 | See `resume-tty'. */); | |
3251 | Vresume_tty_functions = Qnil; | |
3252 | ||
819b8f00 KL |
3253 | Qframe_tty_name = intern ("frame-tty-name"); |
3254 | staticpro (&Qframe_tty_name); | |
3255 | ||
3256 | Qframe_tty_type = intern ("frame-tty-type"); | |
3257 | staticpro (&Qframe_tty_type); | |
3258 | ||
3259 | defsubr (&Stty_display_color_p); | |
3260 | defsubr (&Stty_display_color_cells); | |
3261 | defsubr (&Sframe_tty_name); | |
3262 | defsubr (&Sframe_tty_type); | |
3263 | defsubr (&Sdelete_tty); | |
0b0d3e0b KL |
3264 | defsubr (&Ssuspend_tty); |
3265 | defsubr (&Sresume_tty); | |
daf01701 | 3266 | |
819b8f00 | 3267 | Fprovide (intern ("multi-tty"), Qnil); |
7b00d185 | 3268 | |
819b8f00 KL |
3269 | } |
3270 | ||
3271 | ||
3272 | ||
ab5796a9 MB |
3273 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3274 | (do not change this comment) */ |