Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
fd4a9f8f | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002, 2005 |
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 | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
28d440ab KL |
29 | #include <sys/file.h> |
30 | ||
0c72d684 | 31 | #include <unistd.h> /* For isatty. */ |
67ad74df KL |
32 | |
33 | #if HAVE_TERMIOS_H | |
34 | #include <termios.h> /* For TIOCNOTTY. */ | |
35 | #endif | |
03a1d6bd KL |
36 | |
37 | #include <signal.h> | |
0c72d684 | 38 | |
9628b887 | 39 | #include "lisp.h" |
08a24c47 JB |
40 | #include "termchar.h" |
41 | #include "termopts.h" | |
a4decb7f KH |
42 | #include "charset.h" |
43 | #include "coding.h" | |
2538fae4 | 44 | #include "keyboard.h" |
ff11dfa1 | 45 | #include "frame.h" |
08a24c47 JB |
46 | #include "disptab.h" |
47 | #include "termhooks.h" | |
dfcf069d | 48 | #include "dispextern.h" |
a168702a | 49 | #include "window.h" |
8feddab4 | 50 | #include "keymap.h" |
03a1d6bd KL |
51 | #include "syssignal.h" |
52 | #include "systty.h" | |
a168702a | 53 | |
ff23e1dd GM |
54 | /* For now, don't try to include termcap.h. On some systems, |
55 | configure finds a non-standard termcap.h that the main build | |
56 | won't find. */ | |
57 | ||
58 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 59 | #include <termcap.h> |
46d1b2bc DL |
60 | #else |
61 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
62 | extern int tgetent P_ ((char *, const char *)); | |
63 | extern int tgetflag P_ ((char *id)); | |
64 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
65 | #endif |
66 | ||
eccec691 | 67 | #include "cm.h" |
dfcf069d AS |
68 | #ifdef HAVE_X_WINDOWS |
69 | #include "xterm.h" | |
70 | #endif | |
e0f712ba | 71 | #ifdef MAC_OS |
1a578e9b AC |
72 | #include "macterm.h" |
73 | #endif | |
c8951b18 | 74 | |
28d440ab KL |
75 | #ifndef O_RDWR |
76 | #define O_RDWR 2 | |
77 | #endif | |
78 | ||
0c72d684 KL |
79 | #ifndef O_NOCTTY |
80 | #define O_NOCTTY 0 | |
81 | #endif | |
82 | ||
a168702a GM |
83 | static void turn_on_face P_ ((struct frame *, int face_id)); |
84 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
85 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
86 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
fca177d4 | 87 | |
7e59217d | 88 | static struct device *get_tty_device (Lisp_Object device); |
b6660415 | 89 | |
7e59217d | 90 | void delete_initial_device P_ ((struct device *)); |
428a555e KL |
91 | void create_tty_output P_ ((struct frame *)); |
92 | void delete_tty_output P_ ((struct frame *)); | |
a168702a | 93 | |
6548cf00 KL |
94 | #define OUTPUT(tty, a) \ |
95 | emacs_tputs ((tty), a, \ | |
96 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
97 | - curY (tty)), \ | |
98 | cmputc) | |
99 | ||
28d440ab KL |
100 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
101 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 102 | |
28d440ab | 103 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
104 | do { \ |
105 | if (a) \ | |
106 | emacs_tputs ((tty), a, \ | |
107 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
108 | - curY (tty) ), \ | |
109 | cmputc); \ | |
110 | } while (0) | |
177c0ea7 | 111 | |
28d440ab | 112 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 113 | |
f46c2aff KS |
114 | /* Display space properties */ |
115 | ||
116 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
117 | ||
c291d9ef | 118 | /* Function to use to ring the bell. */ |
a168702a | 119 | |
c291d9ef RS |
120 | Lisp_Object Vring_bell_function; |
121 | ||
0b0d3e0b KL |
122 | /* Functions to call after suspending a tty. */ |
123 | Lisp_Object Vsuspend_tty_functions; | |
124 | ||
125 | /* Functions to call after resuming a tty. */ | |
126 | Lisp_Object Vresume_tty_functions; | |
127 | ||
428a555e | 128 | /* Chain of all displays currently in use. */ |
7e59217d | 129 | struct device *device_list; |
28d440ab | 130 | |
3224dac1 | 131 | /* The initial display device, created by initial_term_init. */ |
7e59217d | 132 | struct device *initial_device; |
3224dac1 | 133 | |
428a555e | 134 | /* Chain of all tty device parameters. */ |
28d7d09f | 135 | struct tty_display_info *tty_list; |
08a24c47 | 136 | |
fca177d4 KL |
137 | /* Nonzero means no need to redraw the entire frame on resuming a |
138 | suspended Emacs. This is useful on terminals with multiple | |
139 | pages, where one page is used for Emacs and another for all | |
140 | else. */ | |
08a24c47 | 141 | int no_redraw_on_reenter; |
819b8f00 | 142 | |
4e6ba4a4 GM |
143 | |
144 | /* Meaning of bits in no_color_video. Each bit set means that the | |
145 | corresponding attribute cannot be combined with colors. */ | |
146 | ||
147 | enum no_color_bit | |
148 | { | |
149 | NC_STANDOUT = 1 << 0, | |
150 | NC_UNDERLINE = 1 << 1, | |
151 | NC_REVERSE = 1 << 2, | |
152 | NC_BLINK = 1 << 3, | |
153 | NC_DIM = 1 << 4, | |
154 | NC_BOLD = 1 << 5, | |
155 | NC_INVIS = 1 << 6, | |
156 | NC_PROTECT = 1 << 7, | |
157 | NC_ALT_CHARSET = 1 << 8 | |
158 | }; | |
159 | ||
08a24c47 JB |
160 | /* internal state */ |
161 | ||
8dd0c7cb | 162 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 163 | |
9882535b | 164 | int max_frame_cols; |
a168702a | 165 | |
8dd0c7cb | 166 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 167 | |
9882535b | 168 | int max_frame_lines; |
8dd0c7cb | 169 | |
0c72d684 KL |
170 | /* Non-zero if we have dropped our controlling tty and therefore |
171 | should not open a frame on stdout. */ | |
172 | static int no_controlling_tty; | |
173 | ||
b6660415 | 174 | /* The first unallocated display id. */ |
7e59217d | 175 | static int next_device_id; |
b6660415 | 176 | |
07c57952 | 177 | /* Provided for lisp packages. */ |
a168702a | 178 | |
07c57952 KH |
179 | static int system_uses_terminfo; |
180 | ||
08a24c47 | 181 | char *tparam (); |
e4bfb3b6 RS |
182 | |
183 | extern char *tgetstr (); | |
08a24c47 | 184 | \f |
cb28b9c2 | 185 | |
1a89b7c6 AI |
186 | #ifdef WINDOWSNT |
187 | /* We aren't X windows, but we aren't termcap either. This makes me | |
188 | uncertain as to what value to use for frame.output_method. For | |
189 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
190 | output hooks get called instead of the termcap functions. Probably | |
191 | the best long-term solution is to define an output_windows_nt... */ | |
192 | ||
193 | #undef FRAME_TERMCAP_P | |
194 | #define FRAME_TERMCAP_P(_f_) 0 | |
195 | #endif /* WINDOWSNT */ | |
196 | ||
dfcf069d | 197 | void |
385ed61f | 198 | ring_bell (struct frame *f) |
08a24c47 | 199 | { |
d284f58f | 200 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
201 | { |
202 | Lisp_Object function; | |
203 | ||
204 | /* Temporarily set the global variable to nil | |
205 | so that if we get an error, it stays nil | |
206 | and we don't call it over and over. | |
207 | ||
208 | We don't specbind it, because that would carefully | |
209 | restore the bad value if there's an error | |
210 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 211 | |
c291d9ef RS |
212 | function = Vring_bell_function; |
213 | Vring_bell_function = Qnil; | |
214 | ||
215 | call0 (function); | |
216 | ||
217 | Vring_bell_function = function; | |
08a24c47 | 218 | } |
7e59217d KL |
219 | else if (FRAME_DEVICE (f)->ring_bell_hook) |
220 | (*FRAME_DEVICE (f)->ring_bell_hook) (f); | |
08a24c47 JB |
221 | } |
222 | ||
da8e1115 KL |
223 | /* Ring the bell on a tty. */ |
224 | ||
3224dac1 | 225 | void |
385ed61f | 226 | tty_ring_bell (struct frame *f) |
3224dac1 | 227 | { |
3224dac1 KL |
228 | struct tty_display_info *tty = FRAME_TTY (f); |
229 | ||
b6660415 KL |
230 | if (tty->output) |
231 | { | |
232 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
233 | ? tty->TS_visible_bell | |
234 | : tty->TS_bell)); | |
235 | fflush (tty->output); | |
236 | } | |
3224dac1 KL |
237 | } |
238 | ||
da8e1115 KL |
239 | /* Set up termcap modes for Emacs. */ |
240 | ||
241 | void | |
7e59217d | 242 | tty_set_terminal_modes (struct device *display) |
fca177d4 | 243 | { |
3224dac1 KL |
244 | struct tty_display_info *tty = display->display_info.tty; |
245 | ||
0b0d3e0b KL |
246 | if (tty->output) |
247 | { | |
248 | OUTPUT_IF (tty, tty->TS_termcap_modes); | |
249 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
250 | OUTPUT_IF (tty, tty->TS_keypad_mode); | |
251 | losecursor (tty); | |
2f98e6e3 | 252 | fflush (tty->output); |
0b0d3e0b | 253 | } |
fca177d4 KL |
254 | } |
255 | ||
da8e1115 KL |
256 | /* Reset termcap modes before exiting Emacs. */ |
257 | ||
258 | void | |
7e59217d | 259 | tty_reset_terminal_modes (struct device *display) |
fca177d4 | 260 | { |
3224dac1 | 261 | struct tty_display_info *tty = display->display_info.tty; |
0b0d3e0b KL |
262 | |
263 | if (tty->output) | |
264 | { | |
265 | turn_off_highlight (tty); | |
266 | turn_off_insert (tty); | |
267 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); | |
268 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
269 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
270 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
271 | /* Output raw CR so kernel can track the cursor hpos. */ | |
272 | current_tty = tty; | |
273 | cmputc ('\r'); | |
2f98e6e3 | 274 | fflush (tty->output); |
0b0d3e0b | 275 | } |
fca177d4 KL |
276 | } |
277 | ||
dfcf069d | 278 | void |
6839f1e2 | 279 | update_begin (struct frame *f) |
08a24c47 | 280 | { |
7e59217d KL |
281 | if (FRAME_DEVICE (f)->update_begin_hook) |
282 | (*FRAME_DEVICE (f)->update_begin_hook) (f); | |
08a24c47 JB |
283 | } |
284 | ||
dfcf069d | 285 | void |
6839f1e2 | 286 | update_end (struct frame *f) |
08a24c47 | 287 | { |
7e59217d KL |
288 | if (FRAME_DEVICE (f)->update_end_hook) |
289 | (*FRAME_DEVICE (f)->update_end_hook) (f); | |
08a24c47 JB |
290 | } |
291 | ||
da8e1115 KL |
292 | /* Flag the end of a display update on a termcap display. */ |
293 | ||
3224dac1 KL |
294 | void |
295 | tty_update_end (struct frame *f) | |
296 | { | |
297 | struct tty_display_info *tty = FRAME_TTY (f); | |
298 | ||
299 | if (!XWINDOW (selected_window)->cursor_off_p) | |
300 | tty_show_cursor (tty); | |
301 | turn_off_insert (tty); | |
302 | background_highlight (tty); | |
303 | } | |
304 | ||
da8e1115 KL |
305 | /* Specify how many text lines, from the top of the window, |
306 | should be affected by insert-lines and delete-lines operations. | |
307 | This, and those operations, are used only within an update | |
308 | that is bounded by calls to update_begin and update_end. */ | |
309 | ||
dfcf069d | 310 | void |
6839f1e2 | 311 | set_terminal_window (struct frame *f, int size) |
08a24c47 | 312 | { |
7e59217d KL |
313 | if (FRAME_DEVICE (f)->set_terminal_window_hook) |
314 | (*FRAME_DEVICE (f)->set_terminal_window_hook) (f, size); | |
3224dac1 KL |
315 | } |
316 | ||
da8e1115 KL |
317 | /* The implementation of set_terminal_window for termcap frames. */ |
318 | ||
3224dac1 | 319 | void |
385ed61f | 320 | tty_set_terminal_window (struct frame *f, int size) |
3224dac1 | 321 | { |
3224dac1 KL |
322 | struct tty_display_info *tty = FRAME_TTY (f); |
323 | ||
324 | tty->specified_window = size ? size : FRAME_LINES (f); | |
325 | if (FRAME_SCROLL_REGION_OK (f)) | |
385ed61f | 326 | set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
327 | } |
328 | ||
dfcf069d | 329 | void |
6839f1e2 | 330 | set_scroll_region (struct frame *f, int start, int stop) |
08a24c47 JB |
331 | { |
332 | char *buf; | |
28d7d09f | 333 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 334 | |
fca177d4 KL |
335 | if (tty->TS_set_scroll_region) |
336 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
337 | else if (tty->TS_set_scroll_region_1) | |
338 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
339 | FRAME_LINES (f), start, |
340 | FRAME_LINES (f) - stop, | |
341 | FRAME_LINES (f)); | |
08a24c47 | 342 | else |
fca177d4 | 343 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 344 | |
6548cf00 | 345 | OUTPUT (tty, buf); |
9ac0d9e0 | 346 | xfree (buf); |
6548cf00 | 347 | losecursor (tty); |
08a24c47 | 348 | } |
d284f58f | 349 | |
08a24c47 | 350 | \f |
d284f58f | 351 | static void |
28d7d09f | 352 | turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 353 | { |
fca177d4 KL |
354 | if (!tty->insert_mode) |
355 | OUTPUT (tty, tty->TS_insert_mode); | |
356 | tty->insert_mode = 1; | |
08a24c47 JB |
357 | } |
358 | ||
dfcf069d | 359 | void |
28d7d09f | 360 | turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 361 | { |
fca177d4 KL |
362 | if (tty->insert_mode) |
363 | OUTPUT (tty, tty->TS_end_insert_mode); | |
364 | tty->insert_mode = 0; | |
08a24c47 JB |
365 | } |
366 | \f | |
54800acb | 367 | /* Handle highlighting. */ |
08a24c47 | 368 | |
dfcf069d | 369 | void |
28d7d09f | 370 | turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 371 | { |
fca177d4 KL |
372 | if (tty->standout_mode) |
373 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
374 | tty->standout_mode = 0; | |
08a24c47 JB |
375 | } |
376 | ||
d284f58f | 377 | static void |
28d7d09f | 378 | turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 379 | { |
fca177d4 KL |
380 | if (!tty->standout_mode) |
381 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
382 | tty->standout_mode = 1; | |
08a24c47 JB |
383 | } |
384 | ||
86a7d192 | 385 | static void |
28d7d09f | 386 | toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 387 | { |
fca177d4 KL |
388 | if (tty->standout_mode) |
389 | turn_off_highlight (tty); | |
86a7d192 | 390 | else |
fca177d4 | 391 | turn_on_highlight (tty); |
86a7d192 GM |
392 | } |
393 | ||
a168702a GM |
394 | |
395 | /* Make cursor invisible. */ | |
396 | ||
397 | static void | |
28d7d09f | 398 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 399 | { |
fca177d4 | 400 | if (tty->cursor_hidden == 0) |
d284f58f | 401 | { |
fca177d4 KL |
402 | tty->cursor_hidden = 1; |
403 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 404 | } |
a168702a GM |
405 | } |
406 | ||
407 | ||
408 | /* Ensure that cursor is visible. */ | |
409 | ||
410 | static void | |
28d7d09f | 411 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 412 | { |
fca177d4 | 413 | if (tty->cursor_hidden) |
d284f58f | 414 | { |
fca177d4 KL |
415 | tty->cursor_hidden = 0; |
416 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
417 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
d284f58f | 418 | } |
a168702a GM |
419 | } |
420 | ||
421 | ||
08a24c47 JB |
422 | /* Set standout mode to the state it should be in for |
423 | empty space inside windows. What this is, | |
424 | depends on the user option inverse-video. */ | |
425 | ||
dfcf069d | 426 | void |
28d7d09f | 427 | background_highlight (struct tty_display_info *tty) |
08a24c47 | 428 | { |
08a24c47 | 429 | if (inverse_video) |
fca177d4 | 430 | turn_on_highlight (tty); |
08a24c47 | 431 | else |
fca177d4 | 432 | turn_off_highlight (tty); |
08a24c47 JB |
433 | } |
434 | ||
435 | /* Set standout mode to the mode specified for the text to be output. */ | |
436 | ||
dfcf069d | 437 | static void |
28d7d09f | 438 | highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 439 | { |
8ede64a5 | 440 | if (inverse_video) |
fca177d4 | 441 | turn_on_highlight (tty); |
8ede64a5 | 442 | else |
fca177d4 | 443 | turn_off_highlight (tty); |
08a24c47 JB |
444 | } |
445 | \f | |
446 | ||
a168702a GM |
447 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
448 | frame-relative coordinates. */ | |
08a24c47 | 449 | |
dfcf069d | 450 | void |
6839f1e2 | 451 | cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 452 | { |
7e59217d KL |
453 | if (FRAME_DEVICE (f)->cursor_to_hook) |
454 | (*FRAME_DEVICE (f)->cursor_to_hook) (f, vpos, hpos); | |
3224dac1 | 455 | } |
08a24c47 | 456 | |
3224dac1 | 457 | void |
385ed61f | 458 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
3224dac1 | 459 | { |
3224dac1 | 460 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 461 | |
36cae867 KH |
462 | /* Detect the case where we are called from reset_sys_modes |
463 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 464 | if (! tty->costs_set) |
36cae867 KH |
465 | return; |
466 | ||
6548cf00 KL |
467 | if (curY (tty) == vpos |
468 | && curX (tty) == hpos) | |
08a24c47 | 469 | return; |
fca177d4 KL |
470 | if (!tty->TF_standout_motion) |
471 | background_highlight (tty); | |
472 | if (!tty->TF_insmode_motion) | |
473 | turn_off_insert (tty); | |
6548cf00 | 474 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
475 | } |
476 | ||
477 | /* Similar but don't take any account of the wasted characters. */ | |
478 | ||
dfcf069d | 479 | void |
6839f1e2 | 480 | raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 481 | { |
7e59217d KL |
482 | if (FRAME_DEVICE (f)->raw_cursor_to_hook) |
483 | (*FRAME_DEVICE (f)->raw_cursor_to_hook) (f, row, col); | |
3224dac1 KL |
484 | } |
485 | ||
486 | void | |
385ed61f | 487 | tty_raw_cursor_to (struct frame *f, int row, int col) |
3224dac1 | 488 | { |
3224dac1 KL |
489 | struct tty_display_info *tty = FRAME_TTY (f); |
490 | ||
6548cf00 KL |
491 | if (curY (tty) == row |
492 | && curX (tty) == col) | |
08a24c47 | 493 | return; |
fca177d4 KL |
494 | if (!tty->TF_standout_motion) |
495 | background_highlight (tty); | |
496 | if (!tty->TF_insmode_motion) | |
497 | turn_off_insert (tty); | |
6548cf00 | 498 | cmgoto (tty, row, col); |
08a24c47 JB |
499 | } |
500 | \f | |
501 | /* Erase operations */ | |
502 | ||
da8e1115 | 503 | /* Clear from cursor to end of frame. */ |
dfcf069d | 504 | void |
385ed61f | 505 | clear_to_end (struct frame *f) |
08a24c47 | 506 | { |
7e59217d KL |
507 | if (FRAME_DEVICE (f)->clear_to_end_hook) |
508 | (*FRAME_DEVICE (f)->clear_to_end_hook) (f); | |
3224dac1 KL |
509 | } |
510 | ||
da8e1115 KL |
511 | /* Clear from cursor to end of frame on a termcap device. */ |
512 | ||
3224dac1 | 513 | void |
385ed61f | 514 | tty_clear_to_end (struct frame *f) |
3224dac1 KL |
515 | { |
516 | register int i; | |
3224dac1 KL |
517 | struct tty_display_info *tty = FRAME_TTY (f); |
518 | ||
fca177d4 | 519 | if (tty->TS_clr_to_bottom) |
08a24c47 | 520 | { |
fca177d4 KL |
521 | background_highlight (tty); |
522 | OUTPUT (tty, tty->TS_clr_to_bottom); | |
08a24c47 JB |
523 | } |
524 | else | |
525 | { | |
6548cf00 | 526 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 527 | { |
385ed61f KL |
528 | cursor_to (f, i, 0); |
529 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
530 | } |
531 | } | |
532 | } | |
533 | ||
ff11dfa1 | 534 | /* Clear entire frame */ |
08a24c47 | 535 | |
dfcf069d | 536 | void |
385ed61f | 537 | clear_frame (struct frame *f) |
08a24c47 | 538 | { |
7e59217d KL |
539 | if (FRAME_DEVICE (f)->clear_frame_hook) |
540 | (*FRAME_DEVICE (f)->clear_frame_hook) (f); | |
3224dac1 KL |
541 | } |
542 | ||
da8e1115 KL |
543 | /* Clear an entire termcap frame. */ |
544 | ||
3224dac1 | 545 | void |
385ed61f | 546 | tty_clear_frame (struct frame *f) |
3224dac1 | 547 | { |
3224dac1 KL |
548 | struct tty_display_info *tty = FRAME_TTY (f); |
549 | ||
fca177d4 | 550 | if (tty->TS_clr_frame) |
08a24c47 | 551 | { |
fca177d4 KL |
552 | background_highlight (tty); |
553 | OUTPUT (tty, tty->TS_clr_frame); | |
6548cf00 | 554 | cmat (tty, 0, 0); |
08a24c47 JB |
555 | } |
556 | else | |
557 | { | |
385ed61f KL |
558 | cursor_to (f, 0, 0); |
559 | clear_to_end (f); | |
08a24c47 JB |
560 | } |
561 | } | |
562 | ||
08a24c47 JB |
563 | /* Clear from cursor to end of line. |
564 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
565 | |
566 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
567 | ||
dfcf069d | 568 | void |
6839f1e2 | 569 | clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 | 570 | { |
7e59217d KL |
571 | if (FRAME_DEVICE (f)->clear_end_of_line_hook) |
572 | (*FRAME_DEVICE (f)->clear_end_of_line_hook) (f, first_unused_hpos); | |
0a125897 | 573 | } |
6548cf00 | 574 | |
da8e1115 KL |
575 | /* An implementation of clear_end_of_line for termcap frames. |
576 | ||
577 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
578 | ||
0a125897 | 579 | void |
385ed61f | 580 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
0a125897 KL |
581 | { |
582 | register int i; | |
3224dac1 KL |
583 | struct tty_display_info *tty = FRAME_TTY (f); |
584 | ||
36cae867 KH |
585 | /* Detect the case where we are called from reset_sys_modes |
586 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 587 | if (! tty->costs_set) |
36cae867 KH |
588 | return; |
589 | ||
6548cf00 | 590 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 591 | return; |
fca177d4 KL |
592 | background_highlight (tty); |
593 | if (tty->TS_clr_line) | |
08a24c47 | 594 | { |
fca177d4 | 595 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
596 | } |
597 | else | |
598 | { /* have to do it the hard way */ | |
fca177d4 | 599 | turn_off_insert (tty); |
08a24c47 | 600 | |
a168702a | 601 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 602 | if (AutoWrap (tty) |
0a125897 KL |
603 | && curY (tty) == FrameRows (tty) - 1 |
604 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
605 | first_unused_hpos--; |
606 | ||
6548cf00 | 607 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 608 | { |
0b0d3e0b KL |
609 | if (tty->termscript) |
610 | fputc (' ', tty->termscript); | |
611 | fputc (' ', tty->output); | |
08a24c47 | 612 | } |
6548cf00 | 613 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
614 | } |
615 | } | |
616 | \f | |
af645abf KH |
617 | /* Buffer to store the source and result of code conversion for terminal. */ |
618 | static unsigned char *encode_terminal_buf; | |
619 | /* Allocated size of the above buffer. */ | |
620 | static int encode_terminal_bufsize; | |
a4decb7f | 621 | |
af645abf KH |
622 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. |
623 | Set CODING->produced to the byte-length of the resulting byte | |
624 | sequence, and return a pointer to that byte sequence. */ | |
a4decb7f | 625 | |
302db699 | 626 | unsigned char * |
af645abf | 627 | encode_terminal_code (src, src_len, coding) |
a168702a | 628 | struct glyph *src; |
a4decb7f | 629 | int src_len; |
af645abf | 630 | struct coding_system *coding; |
a4decb7f | 631 | { |
a168702a | 632 | struct glyph *src_start = src, *src_end = src + src_len; |
085d5908 | 633 | register GLYPH g; |
af645abf KH |
634 | unsigned char *buf; |
635 | int nchars, nbytes, required; | |
a4decb7f KH |
636 | register int tlen = GLYPH_TABLE_LENGTH; |
637 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 | 638 | |
af645abf KH |
639 | /* Allocate sufficient size of buffer to store all characters in |
640 | multibyte-form. But, it may be enlarged on demand if | |
641 | Vglyph_table contains a string. */ | |
642 | required = MAX_MULTIBYTE_LENGTH * src_len; | |
643 | if (encode_terminal_bufsize < required) | |
644 | { | |
af645abf KH |
645 | if (encode_terminal_bufsize == 0) |
646 | encode_terminal_buf = xmalloc (required); | |
647 | else | |
648 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
d6d31e57 | 649 | encode_terminal_bufsize = required; |
af645abf | 650 | } |
a4decb7f | 651 | |
af645abf KH |
652 | buf = encode_terminal_buf; |
653 | nchars = 0; | |
a4decb7f KH |
654 | while (src < src_end) |
655 | { | |
a4decb7f | 656 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 657 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 658 | { |
32de38e4 KH |
659 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
660 | ||
661 | if (g < 0 || g >= tlen) | |
085d5908 | 662 | { |
32de38e4 | 663 | /* This glyph doesn't has an entry in Vglyph_table. */ |
af645abf KH |
664 | if (CHAR_VALID_P (src->u.ch, 0)) |
665 | buf += CHAR_STRING (src->u.ch, buf); | |
32de38e4 | 666 | else |
af645abf KH |
667 | *buf++ = SPACEGLYPH; |
668 | nchars++; | |
085d5908 | 669 | } |
32de38e4 | 670 | else |
a4decb7f | 671 | { |
32de38e4 | 672 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
673 | so process any alias before testing for simpleness. */ |
674 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
675 | |
676 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
677 | { | |
af645abf KH |
678 | int c = FAST_GLYPH_CHAR (g); |
679 | ||
680 | if (CHAR_VALID_P (c, 0)) | |
681 | buf += CHAR_STRING (c, buf); | |
682 | else | |
683 | *buf++ = SPACEGLYPH; | |
684 | nchars++; | |
32de38e4 KH |
685 | } |
686 | else | |
687 | { | |
688 | /* We have a string in Vglyph_table. */ | |
af645abf KH |
689 | Lisp_Object string; |
690 | ||
691 | string = tbase[g]; | |
692 | if (! STRING_MULTIBYTE (string)) | |
693 | string = string_to_multibyte (string); | |
694 | nbytes = buf - encode_terminal_buf; | |
fd4a9f8f | 695 | if (encode_terminal_bufsize < nbytes + SBYTES (string)) |
af645abf KH |
696 | { |
697 | encode_terminal_bufsize = nbytes + SBYTES (string); | |
698 | encode_terminal_buf = xrealloc (encode_terminal_buf, | |
699 | encode_terminal_bufsize); | |
700 | buf = encode_terminal_buf + nbytes; | |
701 | } | |
702 | bcopy (SDATA (string), buf, SBYTES (string)); | |
703 | buf += SBYTES (string); | |
704 | nchars += SCHARS (string); | |
32de38e4 | 705 | } |
171d7f24 | 706 | } |
a4decb7f KH |
707 | } |
708 | src++; | |
709 | } | |
177c0ea7 | 710 | |
af645abf KH |
711 | nbytes = buf - encode_terminal_buf; |
712 | coding->src_multibyte = 1; | |
713 | coding->dst_multibyte = 0; | |
714 | if (SYMBOLP (coding->pre_write_conversion) | |
715 | && ! NILP (Ffboundp (coding->pre_write_conversion))) | |
716 | { | |
717 | run_pre_write_conversin_on_c_str (&encode_terminal_buf, | |
718 | &encode_terminal_bufsize, | |
719 | nchars, nbytes, coding); | |
720 | nchars = coding->produced_char; | |
721 | nbytes = coding->produced; | |
722 | } | |
723 | required = nbytes + encoding_buffer_size (coding, nbytes); | |
724 | if (encode_terminal_bufsize < required) | |
725 | { | |
726 | encode_terminal_bufsize = required; | |
727 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
728 | } | |
a4decb7f | 729 | |
af645abf KH |
730 | encode_coding (coding, encode_terminal_buf, encode_terminal_buf + nbytes, |
731 | nbytes, encode_terminal_bufsize - nbytes); | |
732 | return encode_terminal_buf + nbytes; | |
a4decb7f KH |
733 | } |
734 | ||
08a24c47 | 735 | |
da8e1115 KL |
736 | /* Output LEN glyphs starting at STRING at the nominal cursor position. |
737 | Advance the nominal cursor over the text. */ | |
738 | ||
dfcf069d | 739 | void |
6839f1e2 | 740 | write_glyphs (struct frame *f, struct glyph *string, int len) |
3224dac1 | 741 | { |
7e59217d KL |
742 | if (FRAME_DEVICE (f)->write_glyphs_hook) |
743 | (*FRAME_DEVICE (f)->write_glyphs_hook) (f, string, len); | |
3224dac1 KL |
744 | } |
745 | ||
da8e1115 KL |
746 | /* An implementation of write_glyphs for termcap frames. */ |
747 | ||
3224dac1 | 748 | void |
385ed61f | 749 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 750 | { |
af645abf KH |
751 | unsigned char *conversion_buffer; |
752 | struct coding_system *coding; | |
08a24c47 | 753 | |
3224dac1 | 754 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 755 | |
fca177d4 KL |
756 | turn_off_insert (tty); |
757 | tty_hide_cursor (tty); | |
08a24c47 | 758 | |
a168702a | 759 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 760 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 761 | |
6548cf00 KL |
762 | if (AutoWrap (tty) |
763 | && curY (tty) + 1 == FRAME_LINES (f) | |
764 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 765 | len --; |
a4decb7f KH |
766 | if (len <= 0) |
767 | return; | |
08a24c47 | 768 | |
6548cf00 | 769 | cmplus (tty, len); |
177c0ea7 | 770 | |
af645abf KH |
771 | /* If terminal_coding does any conversion, use it, otherwise use |
772 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
773 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
774 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
775 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
776 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
777 | the tail. */ | |
af645abf | 778 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 779 | |
a4decb7f | 780 | while (len > 0) |
08a24c47 | 781 | { |
a168702a | 782 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 783 | int face_id = string->face_id; |
a168702a | 784 | int n; |
177c0ea7 | 785 | |
a168702a | 786 | for (n = 1; n < len; ++n) |
32de38e4 | 787 | if (string[n].face_id != face_id) |
a168702a GM |
788 | break; |
789 | ||
790 | /* Turn appearance modes of the face of the run on. */ | |
fca177d4 | 791 | highlight_if_desired (tty); |
a168702a GM |
792 | turn_on_face (f, face_id); |
793 | ||
af645abf KH |
794 | if (n == len) |
795 | /* This is the last run. */ | |
796 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
797 | conversion_buffer = encode_terminal_code (string, n, coding); | |
798 | if (coding->produced > 0) | |
08a24c47 | 799 | { |
fad2f685 KL |
800 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
801 | if (ferror (tty->output)) | |
802 | clearerr (tty->output); | |
803 | if (tty->termscript) | |
804 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
08a24c47 | 805 | } |
af645abf KH |
806 | len -= n; |
807 | string += n; | |
a168702a GM |
808 | |
809 | /* Turn appearance modes off. */ | |
810 | turn_off_face (f, face_id); | |
fca177d4 | 811 | turn_off_highlight (tty); |
a4decb7f | 812 | } |
177c0ea7 | 813 | |
6548cf00 | 814 | cmcheckmagic (tty); |
08a24c47 JB |
815 | } |
816 | ||
da8e1115 KL |
817 | /* Insert LEN glyphs from START at the nominal cursor position. |
818 | ||
819 | If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 820 | |
dfcf069d | 821 | void |
6839f1e2 | 822 | insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 | 823 | { |
a4decb7f KH |
824 | if (len <= 0) |
825 | return; | |
826 | ||
7e59217d KL |
827 | if (FRAME_DEVICE (f)->insert_glyphs_hook) |
828 | (*FRAME_DEVICE (f)->insert_glyphs_hook) (f, start, len); | |
3224dac1 | 829 | } |
a168702a | 830 | |
da8e1115 KL |
831 | /* An implementation of insert_glyphs for termcap frames. */ |
832 | ||
3224dac1 | 833 | void |
385ed61f | 834 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
3224dac1 KL |
835 | { |
836 | char *buf; | |
837 | struct glyph *glyph = NULL; | |
af645abf KH |
838 | unsigned char *conversion_buffer; |
839 | unsigned char space[1]; | |
840 | struct coding_system *coding; | |
3224dac1 KL |
841 | |
842 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 843 | |
fca177d4 | 844 | if (tty->TS_ins_multi_chars) |
08a24c47 | 845 | { |
fca177d4 | 846 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 847 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 848 | xfree (buf); |
08a24c47 | 849 | if (start) |
385ed61f | 850 | write_glyphs (f, start, len); |
08a24c47 JB |
851 | return; |
852 | } | |
853 | ||
fca177d4 | 854 | turn_on_insert (tty); |
6548cf00 | 855 | cmplus (tty, len); |
af645abf KH |
856 | |
857 | if (! start) | |
858 | space[0] = SPACEGLYPH; | |
859 | ||
860 | /* If terminal_coding does any conversion, use it, otherwise use | |
861 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
862 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
863 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
864 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
af645abf KH |
865 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
866 | the tail. */ | |
867 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
868 | ||
07109bf9 | 869 | while (len-- > 0) |
08a24c47 | 870 | { |
fca177d4 | 871 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 872 | if (!start) |
32de38e4 | 873 | { |
af645abf KH |
874 | conversion_buffer = space; |
875 | coding->produced = 1; | |
32de38e4 | 876 | } |
08a24c47 | 877 | else |
08a24c47 | 878 | { |
fca177d4 | 879 | highlight_if_desired (tty); |
32de38e4 | 880 | turn_on_face (f, start->face_id); |
816be8b8 | 881 | glyph = start; |
a168702a | 882 | ++start; |
a4decb7f KH |
883 | /* We must open sufficient space for a character which |
884 | occupies more than one column. */ | |
a168702a | 885 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 886 | { |
fca177d4 | 887 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
888 | start++, len--; |
889 | } | |
a4decb7f | 890 | |
32de38e4 KH |
891 | if (len <= 0) |
892 | /* This is the last glyph. */ | |
af645abf | 893 | coding->mode |= CODING_MODE_LAST_BLOCK; |
32de38e4 | 894 | |
fad2f685 | 895 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 896 | } |
a4decb7f | 897 | |
af645abf | 898 | if (coding->produced > 0) |
08a24c47 | 899 | { |
fad2f685 | 900 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
901 | if (ferror (tty->output)) |
902 | clearerr (tty->output); | |
903 | if (tty->termscript) | |
fad2f685 | 904 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
08a24c47 JB |
905 | } |
906 | ||
fca177d4 | 907 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 908 | if (start) |
65aa5e85 GM |
909 | { |
910 | turn_off_face (f, glyph->face_id); | |
fca177d4 | 911 | turn_off_highlight (tty); |
65aa5e85 | 912 | } |
9a6b6f92 | 913 | } |
177c0ea7 | 914 | |
6548cf00 | 915 | cmcheckmagic (tty); |
08a24c47 JB |
916 | } |
917 | ||
da8e1115 KL |
918 | /* Delete N glyphs at the nominal cursor position. */ |
919 | ||
dfcf069d | 920 | void |
6839f1e2 | 921 | delete_glyphs (struct frame *f, int n) |
08a24c47 | 922 | { |
7e59217d KL |
923 | if (FRAME_DEVICE (f)->delete_glyphs_hook) |
924 | (*FRAME_DEVICE (f)->delete_glyphs_hook) (f, n); | |
3224dac1 | 925 | } |
08a24c47 | 926 | |
da8e1115 KL |
927 | /* An implementation of delete_glyphs for termcap frames. */ |
928 | ||
3224dac1 | 929 | void |
385ed61f | 930 | tty_delete_glyphs (struct frame *f, int n) |
3224dac1 KL |
931 | { |
932 | char *buf; | |
933 | register int i; | |
3224dac1 KL |
934 | |
935 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 936 | |
fca177d4 | 937 | if (tty->delete_in_insert_mode) |
08a24c47 | 938 | { |
fca177d4 | 939 | turn_on_insert (tty); |
08a24c47 JB |
940 | } |
941 | else | |
942 | { | |
fca177d4 KL |
943 | turn_off_insert (tty); |
944 | OUTPUT_IF (tty, tty->TS_delete_mode); | |
08a24c47 | 945 | } |
daf01701 | 946 | |
fca177d4 | 947 | if (tty->TS_del_multi_chars) |
08a24c47 | 948 | { |
fca177d4 | 949 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 950 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 951 | xfree (buf); |
08a24c47 JB |
952 | } |
953 | else | |
954 | for (i = 0; i < n; i++) | |
fca177d4 KL |
955 | OUTPUT1 (tty, tty->TS_del_char); |
956 | if (!tty->delete_in_insert_mode) | |
957 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
958 | } |
959 | \f | |
960 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
961 | ||
dfcf069d | 962 | void |
6839f1e2 | 963 | ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 964 | { |
7e59217d KL |
965 | if (FRAME_DEVICE (f)->ins_del_lines_hook) |
966 | (*FRAME_DEVICE (f)->ins_del_lines_hook) (f, vpos, n); | |
3224dac1 KL |
967 | } |
968 | ||
da8e1115 KL |
969 | /* An implementation of ins_del_lines for termcap frames. */ |
970 | ||
3224dac1 | 971 | void |
385ed61f | 972 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
3224dac1 | 973 | { |
3224dac1 KL |
974 | struct tty_display_info *tty = FRAME_TTY (f); |
975 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
976 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
977 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
978 | ||
979 | register int i = n > 0 ? n : -n; | |
980 | register char *buf; | |
981 | ||
982 | /* If the lines below the insertion are being pushed | |
983 | into the end of the window, this is the same as clearing; | |
984 | and we know the lines are already clear, since the matching | |
985 | deletion has already been done. So can ignore this. */ | |
986 | /* If the lines below the deletion are blank lines coming | |
987 | out of the end of the window, don't bother, | |
988 | as there will be a matching inslines later that will flush them. */ | |
989 | if (FRAME_SCROLL_REGION_OK (f) | |
990 | && vpos + i >= tty->specified_window) | |
991 | return; | |
992 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
993 | && vpos + i >= FRAME_LINES (f)) | |
994 | return; | |
995 | ||
996 | if (multi) | |
08a24c47 | 997 | { |
6839f1e2 | 998 | raw_cursor_to (f, vpos, 0); |
3224dac1 KL |
999 | background_highlight (tty); |
1000 | buf = tparam (multi, 0, 0, i); | |
1001 | OUTPUT (tty, buf); | |
1002 | xfree (buf); | |
1003 | } | |
1004 | else if (single) | |
1005 | { | |
6839f1e2 | 1006 | raw_cursor_to (f, vpos, 0); |
3224dac1 KL |
1007 | background_highlight (tty); |
1008 | while (--i >= 0) | |
1009 | OUTPUT (tty, single); | |
1010 | if (tty->TF_teleray) | |
1011 | curX (tty) = 0; | |
08a24c47 | 1012 | } |
08a24c47 JB |
1013 | else |
1014 | { | |
385ed61f | 1015 | set_scroll_region (f, vpos, tty->specified_window); |
3224dac1 | 1016 | if (n < 0) |
6839f1e2 | 1017 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1018 | else |
6839f1e2 | 1019 | raw_cursor_to (f, vpos, 0); |
3224dac1 KL |
1020 | background_highlight (tty); |
1021 | while (--i >= 0) | |
1022 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
385ed61f | 1023 | set_scroll_region (f, 0, tty->specified_window); |
3224dac1 KL |
1024 | } |
1025 | ||
1026 | if (!FRAME_SCROLL_REGION_OK (f) | |
1027 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1028 | && n < 0) | |
1029 | { | |
385ed61f KL |
1030 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1031 | clear_to_end (f); | |
08a24c47 JB |
1032 | } |
1033 | } | |
1034 | \f | |
1035 | /* Compute cost of sending "str", in characters, | |
1036 | not counting any line-dependent padding. */ | |
1037 | ||
1038 | int | |
6839f1e2 | 1039 | string_cost (char *str) |
08a24c47 JB |
1040 | { |
1041 | cost = 0; | |
1042 | if (str) | |
1043 | tputs (str, 0, evalcost); | |
1044 | return cost; | |
1045 | } | |
1046 | ||
1047 | /* Compute cost of sending "str", in characters, | |
1048 | counting any line-dependent padding at one line. */ | |
1049 | ||
1050 | static int | |
6839f1e2 | 1051 | string_cost_one_line (char *str) |
08a24c47 JB |
1052 | { |
1053 | cost = 0; | |
1054 | if (str) | |
1055 | tputs (str, 1, evalcost); | |
1056 | return cost; | |
1057 | } | |
1058 | ||
1059 | /* Compute per line amount of line-dependent padding, | |
1060 | in tenths of characters. */ | |
1061 | ||
1062 | int | |
6839f1e2 | 1063 | per_line_cost (char *str) |
08a24c47 JB |
1064 | { |
1065 | cost = 0; | |
1066 | if (str) | |
1067 | tputs (str, 0, evalcost); | |
1068 | cost = - cost; | |
1069 | if (str) | |
1070 | tputs (str, 10, evalcost); | |
1071 | return cost; | |
1072 | } | |
1073 | ||
1074 | #ifndef old | |
1075 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1076 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1077 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1078 | |
1079 | int *char_ins_del_vector; | |
1080 | ||
9882535b | 1081 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1082 | #endif |
1083 | ||
1084 | /* ARGSUSED */ | |
1085 | static void | |
6839f1e2 | 1086 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1087 | { |
28d7d09f | 1088 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1089 | int ins_startup_cost, del_startup_cost; |
1090 | int ins_cost_per_char, del_cost_per_char; | |
1091 | register int i; | |
1092 | register int *p; | |
1093 | ||
fca177d4 | 1094 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1095 | { |
1096 | ins_cost_per_char = 0; | |
fca177d4 | 1097 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1098 | } |
fca177d4 KL |
1099 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1100 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1101 | { |
fca177d4 KL |
1102 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1103 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1104 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1105 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1106 | } |
1107 | else | |
1108 | { | |
1109 | ins_startup_cost = 9999; | |
1110 | ins_cost_per_char = 0; | |
1111 | } | |
1112 | ||
fca177d4 | 1113 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1114 | { |
1115 | del_cost_per_char = 0; | |
fca177d4 | 1116 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1117 | } |
fca177d4 | 1118 | else if (tty->TS_del_char) |
08a24c47 | 1119 | { |
fca177d4 KL |
1120 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1121 | + string_cost (tty->TS_end_delete_mode)); | |
1122 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1123 | del_startup_cost /= 2; |
fca177d4 | 1124 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1125 | } |
1126 | else | |
1127 | { | |
1128 | del_startup_cost = 9999; | |
1129 | del_cost_per_char = 0; | |
1130 | } | |
1131 | ||
1132 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1133 | p = &char_ins_del_cost (f)[0]; |
1134 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1135 | *--p = (del_startup_cost += del_cost_per_char); |
1136 | ||
1137 | /* Doing nothing is free */ | |
fca177d4 | 1138 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1139 | *p++ = 0; |
1140 | ||
1141 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1142 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1143 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1144 | } | |
1145 | ||
dfcf069d | 1146 | void |
6839f1e2 | 1147 | calculate_costs (struct frame *frame) |
08a24c47 | 1148 | { |
9f732a77 | 1149 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1150 | |
28d440ab | 1151 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1152 | { |
1153 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1154 | register char *f = (tty->TS_set_scroll_region | |
1155 | ? tty->TS_set_scroll_region | |
1156 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1157 | |
daf01701 | 1158 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1159 | |
daf01701 | 1160 | tty->costs_set = 1; |
08a24c47 | 1161 | |
daf01701 KL |
1162 | /* These variables are only used for terminal stuff. They are |
1163 | allocated once for the terminal frame of X-windows emacs, but not | |
1164 | used afterwards. | |
8dd0c7cb | 1165 | |
daf01701 KL |
1166 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1167 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1168 | |
daf01701 KL |
1169 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1170 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1171 | |
daf01701 KL |
1172 | if (char_ins_del_vector != 0) |
1173 | char_ins_del_vector | |
1174 | = (int *) xrealloc (char_ins_del_vector, | |
1175 | (sizeof (int) | |
1176 | + 2 * max_frame_cols * sizeof (int))); | |
1177 | else | |
1178 | char_ins_del_vector | |
1179 | = (int *) xmalloc (sizeof (int) | |
1180 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1181 | |
daf01701 KL |
1182 | bzero (char_ins_del_vector, (sizeof (int) |
1183 | + 2 * max_frame_cols * sizeof (int))); | |
1184 | ||
1185 | ||
1186 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1187 | do_line_insertion_deletion_costs (frame, | |
1188 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1189 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1190 | f, f, 1); | |
1191 | else | |
1192 | do_line_insertion_deletion_costs (frame, | |
1193 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1194 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1195 | 0, 0, 1); | |
1196 | ||
1197 | calculate_ins_del_char_costs (frame); | |
1198 | ||
1199 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1200 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1201 | tty->RPov = string_cost (tty->TS_repeat); | |
1202 | else | |
1203 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1204 | |
daf01701 KL |
1205 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1206 | } | |
08a24c47 JB |
1207 | } |
1208 | \f | |
a796ac82 JB |
1209 | struct fkey_table { |
1210 | char *cap, *name; | |
1211 | }; | |
1212 | ||
01d8deb0 ER |
1213 | /* Termcap capability names that correspond directly to X keysyms. |
1214 | Some of these (marked "terminfo") aren't supplied by old-style | |
1215 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1216 | except we put the keypad keys first, so that if they clash with | |
1217 | other keys (as on the IBM PC keyboard) they get overridden. | |
1218 | */ | |
1219 | ||
a168702a GM |
1220 | static struct fkey_table keys[] = |
1221 | { | |
8103ad1a PJ |
1222 | {"kh", "home"}, /* termcap */ |
1223 | {"kl", "left"}, /* termcap */ | |
1224 | {"ku", "up"}, /* termcap */ | |
1225 | {"kr", "right"}, /* termcap */ | |
1226 | {"kd", "down"}, /* termcap */ | |
1227 | {"%8", "prior"}, /* terminfo */ | |
1228 | {"%5", "next"}, /* terminfo */ | |
1229 | {"@7", "end"}, /* terminfo */ | |
1230 | {"@1", "begin"}, /* terminfo */ | |
1231 | {"*6", "select"}, /* terminfo */ | |
1232 | {"%9", "print"}, /* terminfo */ | |
1233 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1234 | /* |
1235 | * "insert" --- see below | |
1236 | */ | |
8103ad1a PJ |
1237 | {"&8", "undo"}, /* terminfo */ |
1238 | {"%0", "redo"}, /* terminfo */ | |
1239 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1240 | {"@0", "find"}, /* terminfo */ | |
1241 | {"@2", "cancel"}, /* terminfo */ | |
1242 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1243 | /* |
1244 | * "break" goes here, but can't be reliably intercepted with termcap | |
1245 | */ | |
8103ad1a | 1246 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1247 | /* |
1248 | * "system" and "user" --- no termcaps | |
1249 | */ | |
8103ad1a PJ |
1250 | {"kE", "clearline"}, /* terminfo */ |
1251 | {"kA", "insertline"}, /* terminfo */ | |
1252 | {"kL", "deleteline"}, /* terminfo */ | |
1253 | {"kI", "insertchar"}, /* terminfo */ | |
1254 | {"kD", "deletechar"}, /* terminfo */ | |
1255 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1256 | /* |
1257 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1258 | */ | |
8103ad1a | 1259 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1260 | /* |
1261 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1262 | * "kp-multiply", "kp-add", "kp-separator", | |
1263 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1264 | * --- no termcaps for any of these. | |
1265 | */ | |
8103ad1a | 1266 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1267 | /* |
1268 | * "kp-2" --- no termcap | |
1269 | */ | |
8103ad1a | 1270 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1271 | /* |
1272 | * "kp-4" --- no termcap | |
1273 | */ | |
8103ad1a | 1274 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1275 | /* |
1276 | * "kp-6" --- no termcap | |
1277 | */ | |
8103ad1a | 1278 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1279 | /* |
1280 | * "kp-8" --- no termcap | |
1281 | */ | |
8103ad1a | 1282 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1283 | /* |
1284 | * "kp-equal" --- no termcap | |
1285 | */ | |
8103ad1a PJ |
1286 | {"k1", "f1"}, |
1287 | {"k2", "f2"}, | |
1288 | {"k3", "f3"}, | |
1289 | {"k4", "f4"}, | |
1290 | {"k5", "f5"}, | |
1291 | {"k6", "f6"}, | |
1292 | {"k7", "f7"}, | |
1293 | {"k8", "f8"}, | |
60ec7b7e DN |
1294 | {"k9", "f9"}, |
1295 | ||
1296 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1297 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1298 | {"*0", "S-find"}, /*shifted find key*/ | |
1299 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1300 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1301 | {"*7", "S-end"}, /*shifted end key*/ | |
1302 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1303 | {"#1", "S-help"}, /*shifted help key*/ | |
1304 | {"#2", "S-home"}, /*shifted home key*/ | |
1305 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1306 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1307 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1308 | {"%c", "S-next"}, /*shifted next key*/ | |
1309 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1310 | {"%f", "S-print"}, /*shifted print key*/ | |
1311 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1312 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1313 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1314 | }; |
1315 | ||
e7cf0fa0 KL |
1316 | static char **term_get_fkeys_address; |
1317 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1318 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1319 | |
01d8deb0 | 1320 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1321 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1322 | adds entries to Vfunction_key_map for each function key it finds. */ |
1323 | ||
5c2c7893 | 1324 | void |
e7cf0fa0 | 1325 | term_get_fkeys (address, kboard) |
5c2c7893 | 1326 | char **address; |
e7cf0fa0 | 1327 | KBOARD *kboard; |
f2a00342 RM |
1328 | { |
1329 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1330 | errors during the call. The only errors should be from Fdefine_key | |
1331 | when given a key sequence containing an invalid prefix key. If the | |
1332 | termcap defines function keys which use a prefix that is already bound | |
1333 | to a command by the default bindings, we should silently ignore that | |
1334 | function key specification, rather than giving the user an error and | |
1335 | refusing to run at all on such a terminal. */ | |
1336 | ||
1337 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1338 | term_get_fkeys_address = address; |
1339 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1340 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1341 | } | |
1342 | ||
1343 | static Lisp_Object | |
1344 | term_get_fkeys_1 () | |
5c2c7893 | 1345 | { |
5c2c7893 JB |
1346 | int i; |
1347 | ||
e7cf0fa0 KL |
1348 | char **address = term_get_fkeys_address; |
1349 | KBOARD *kboard = term_get_fkeys_kboard; | |
1350 | ||
3e65092f RS |
1351 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1352 | if (!initialized) | |
e7cf0fa0 | 1353 | kboard->Vfunction_key_map = Fmake_sparse_keymap (Qnil); |
3e65092f | 1354 | |
5c2c7893 JB |
1355 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1356 | { | |
1357 | char *sequence = tgetstr (keys[i].cap, address); | |
1358 | if (sequence) | |
e7cf0fa0 | 1359 | Fdefine_key (kboard->Vfunction_key_map, build_string (sequence), |
f2a00342 RM |
1360 | Fmake_vector (make_number (1), |
1361 | intern (keys[i].name))); | |
5c2c7893 | 1362 | } |
a796ac82 JB |
1363 | |
1364 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1365 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1366 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1367 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1368 | */ | |
1369 | { | |
1370 | char *k_semi = tgetstr ("k;", address); | |
1371 | char *k0 = tgetstr ("k0", address); | |
1372 | char *k0_name = "f10"; | |
1373 | ||
1374 | if (k_semi) | |
1375 | { | |
95c11956 SM |
1376 | if (k0) |
1377 | /* Define f0 first, so that f10 takes precedence in case the | |
1378 | key sequences happens to be the same. */ | |
e7cf0fa0 | 1379 | Fdefine_key (kboard->Vfunction_key_map, build_string (k0), |
95c11956 | 1380 | Fmake_vector (make_number (1), intern ("f0"))); |
e7cf0fa0 | 1381 | Fdefine_key (kboard->Vfunction_key_map, build_string (k_semi), |
f2a00342 | 1382 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1383 | } |
95c11956 | 1384 | else if (k0) |
e7cf0fa0 | 1385 | Fdefine_key (kboard->Vfunction_key_map, build_string (k0), |
f2a00342 | 1386 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1387 | } |
01d8deb0 ER |
1388 | |
1389 | /* Set up cookies for numbered function keys above f10. */ | |
1390 | { | |
1391 | char fcap[3], fkey[4]; | |
1392 | ||
fc4f24da | 1393 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1394 | for (i = 11; i < 64; i++) |
1395 | { | |
1396 | if (i <= 19) | |
1397 | fcap[1] = '1' + i - 11; | |
1398 | else if (i <= 45) | |
b59ab95c | 1399 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1400 | else |
b59ab95c | 1401 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1402 | |
fc4f24da RS |
1403 | { |
1404 | char *sequence = tgetstr (fcap, address); | |
1405 | if (sequence) | |
1406 | { | |
465db27b | 1407 | sprintf (fkey, "f%d", i); |
e7cf0fa0 | 1408 | Fdefine_key (kboard->Vfunction_key_map, build_string (sequence), |
f2a00342 RM |
1409 | Fmake_vector (make_number (1), |
1410 | intern (fkey))); | |
fc4f24da RS |
1411 | } |
1412 | } | |
01d8deb0 ER |
1413 | } |
1414 | } | |
1415 | ||
1416 | /* | |
1417 | * Various mappings to try and get a better fit. | |
1418 | */ | |
1419 | { | |
fc4f24da RS |
1420 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1421 | if (!tgetstr (cap1, address)) \ | |
1422 | { \ | |
1423 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 KL |
1424 | if (sequence) \ |
1425 | Fdefine_key (kboard->Vfunction_key_map, build_string (sequence), \ | |
1426 | Fmake_vector (make_number (1), \ | |
1427 | intern (sym))); \ | |
fc4f24da | 1428 | } |
177c0ea7 | 1429 | |
01d8deb0 | 1430 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1431 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1432 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1433 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1434 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1435 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1436 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1437 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1438 | |
1439 | /* IBM has their own non-standard dialect of terminfo. | |
1440 | If the standard name isn't found, try the IBM name. */ | |
1441 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1442 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1443 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1444 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1445 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1446 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1447 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1448 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1449 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1450 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1451 | } |
a168702a GM |
1452 | |
1453 | return Qnil; | |
5c2c7893 JB |
1454 | } |
1455 | ||
1456 | \f | |
a168702a GM |
1457 | /*********************************************************************** |
1458 | Character Display Information | |
1459 | ***********************************************************************/ | |
1460 | ||
1461 | static void append_glyph P_ ((struct it *)); | |
f46c2aff | 1462 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1463 | |
1464 | ||
1465 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1466 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1467 | for which to produce glyphs; IT->face_id contains the character's | |
1468 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1469 | 1. */ | |
177c0ea7 | 1470 | |
a168702a GM |
1471 | static void |
1472 | append_glyph (it) | |
1473 | struct it *it; | |
1474 | { | |
1475 | struct glyph *glyph, *end; | |
1476 | int i; | |
1477 | ||
1478 | xassert (it->glyph_row); | |
1479 | glyph = (it->glyph_row->glyphs[it->area] | |
1480 | + it->glyph_row->used[it->area]); | |
1481 | end = it->glyph_row->glyphs[1 + it->area]; | |
1482 | ||
177c0ea7 JB |
1483 | for (i = 0; |
1484 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1485 | ++i) |
1486 | { | |
1487 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1488 | glyph->pixel_width = 1; |
32de38e4 KH |
1489 | glyph->u.ch = it->c; |
1490 | glyph->face_id = it->face_id; | |
1491 | glyph->padding_p = i > 0; | |
a168702a GM |
1492 | glyph->charpos = CHARPOS (it->position); |
1493 | glyph->object = it->object; | |
177c0ea7 | 1494 | |
a168702a GM |
1495 | ++it->glyph_row->used[it->area]; |
1496 | ++glyph; | |
1497 | } | |
1498 | } | |
1499 | ||
1500 | ||
b50fe468 RS |
1501 | /* Produce glyphs for the display element described by IT. *IT |
1502 | specifies what we want to produce a glyph for (character, image, ...), | |
1503 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1504 | produce_glyphs fills in output fields of *IT with information such as the | |
1505 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1506 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1507 | struct display_iterator in dispextern.h for an overview. |
1508 | ||
1509 | produce_glyphs also stores the result of glyph width, ascent | |
1510 | etc. computations in *IT. | |
1511 | ||
1512 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1513 | actually fill in the glyphs. This is used in the move_* functions | |
1514 | in xdisp.c for text width and height computations. | |
1515 | ||
1516 | Callers usually don't call produce_glyphs directly; | |
1517 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1518 | |
177c0ea7 | 1519 | void |
a168702a GM |
1520 | produce_glyphs (it) |
1521 | struct it *it; | |
1522 | { | |
1523 | /* If a hook is installed, let it do the work. */ | |
1524 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1525 | || it->what == IT_COMPOSITION |
a168702a | 1526 | || it->what == IT_STRETCH); |
177c0ea7 | 1527 | |
f46c2aff KS |
1528 | if (it->what == IT_STRETCH) |
1529 | { | |
1530 | produce_stretch_glyph (it); | |
1531 | goto done; | |
1532 | } | |
1533 | ||
c7cba11d KH |
1534 | /* Nothing but characters are supported on terminal frames. For a |
1535 | composition sequence, it->c is the first character of the | |
1536 | sequence. */ | |
1537 | xassert (it->what == IT_CHARACTER | |
1538 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1539 | |
1540 | if (it->c >= 040 && it->c < 0177) | |
1541 | { | |
1542 | it->pixel_width = it->nglyphs = 1; | |
1543 | if (it->glyph_row) | |
1544 | append_glyph (it); | |
1545 | } | |
1546 | else if (it->c == '\n') | |
1547 | it->pixel_width = it->nglyphs = 0; | |
1548 | else if (it->c == '\t') | |
1549 | { | |
2efdbcdd | 1550 | int absolute_x = (it->current_x |
a168702a | 1551 | + it->continuation_lines_width); |
177c0ea7 JB |
1552 | int next_tab_x |
1553 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1554 | / it->tab_width) |
1555 | * it->tab_width); | |
1556 | int nspaces; | |
1557 | ||
1558 | /* If part of the TAB has been displayed on the previous line | |
1559 | which is continued now, continuation_lines_width will have | |
1560 | been incremented already by the part that fitted on the | |
1561 | continued line. So, we will get the right number of spaces | |
1562 | here. */ | |
1563 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1564 | |
a168702a GM |
1565 | if (it->glyph_row) |
1566 | { | |
1567 | int n = nspaces; | |
177c0ea7 | 1568 | |
a168702a GM |
1569 | it->c = ' '; |
1570 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1571 | |
a168702a GM |
1572 | while (n--) |
1573 | append_glyph (it); | |
177c0ea7 | 1574 | |
a168702a GM |
1575 | it->c = '\t'; |
1576 | } | |
1577 | ||
1578 | it->pixel_width = nspaces; | |
1579 | it->nglyphs = nspaces; | |
1580 | } | |
add44890 EZ |
1581 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1582 | { | |
cf872af5 | 1583 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1584 | must send the code as is to the terminal. Although there's |
1585 | no way to know how many columns it occupies on a screen, it | |
1586 | is a good assumption that a single byte code has 1-column | |
1587 | width. */ | |
1588 | it->pixel_width = it->nglyphs = 1; | |
1589 | if (it->glyph_row) | |
1590 | append_glyph (it); | |
1591 | } | |
a168702a GM |
1592 | else |
1593 | { | |
c7cba11d KH |
1594 | /* A multi-byte character. The display width is fixed for all |
1595 | characters of the set. Some of the glyphs may have to be | |
1596 | ignored because they are already displayed in a continued | |
1597 | line. */ | |
a168702a GM |
1598 | int charset = CHAR_CHARSET (it->c); |
1599 | ||
c7cba11d | 1600 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1601 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1602 | |
a168702a GM |
1603 | if (it->glyph_row) |
1604 | append_glyph (it); | |
1605 | } | |
1606 | ||
f46c2aff | 1607 | done: |
177c0ea7 | 1608 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1609 | the caller. */ |
1610 | if (it->area == TEXT_AREA) | |
1611 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1612 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1613 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1614 | } |
1615 | ||
1616 | ||
f46c2aff KS |
1617 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1618 | of the glyph property displayed. The value must be a list | |
1619 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1620 | being recognized: | |
1621 | ||
1622 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1623 | canonical char width wide. WIDTH may be an integer or floating | |
1624 | point number. | |
1625 | ||
1626 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1627 | to reach HPOS, a value in canonical character units. */ | |
1628 | ||
1629 | static void | |
1630 | produce_stretch_glyph (it) | |
1631 | struct it *it; | |
1632 | { | |
1633 | /* (space :width WIDTH ...) */ | |
1634 | Lisp_Object prop, plist; | |
1635 | int width = 0, align_to = -1; | |
1636 | int zero_width_ok_p = 0; | |
1637 | double tem; | |
1638 | ||
1639 | /* List should start with `space'. */ | |
1640 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1641 | plist = XCDR (it->object); | |
1642 | ||
1643 | /* Compute the width of the stretch. */ | |
1644 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1645 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1646 | { | |
1647 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1648 | zero_width_ok_p = 1; | |
1649 | width = (int)(tem + 0.5); | |
1650 | } | |
1651 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1652 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1653 | { | |
1654 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
1655 | align_to = (align_to < 0 | |
1656 | ? 0 | |
1657 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1658 | else if (align_to < 0) | |
1659 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1660 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1661 | zero_width_ok_p = 1; | |
1662 | } | |
1663 | else | |
1664 | /* Nothing specified -> width defaults to canonical char width. */ | |
1665 | width = FRAME_COLUMN_WIDTH (it->f); | |
1666 | ||
1667 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1668 | width = 1; | |
1669 | ||
1670 | if (width > 0 && it->glyph_row) | |
1671 | { | |
1672 | Lisp_Object o_object = it->object; | |
1673 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1674 | int n = width; | |
1675 | int c = it->c; | |
1676 | ||
1677 | if (!STRINGP (object)) | |
1678 | object = it->w->buffer; | |
1679 | it->object = object; | |
1680 | it->c = ' '; | |
1681 | it->pixel_width = it->len = 1; | |
1682 | while (n--) | |
1683 | append_glyph (it); | |
1684 | it->object = o_object; | |
1685 | it->c = c; | |
1686 | } | |
1687 | it->pixel_width = width; | |
1688 | it->nglyphs = width; | |
1689 | } | |
1690 | ||
1691 | ||
a168702a GM |
1692 | /* Get information about special display element WHAT in an |
1693 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1694 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1695 | non-null glyph_row member. This function ensures that fields like | |
1696 | face_id, c, len of IT are left untouched. */ | |
1697 | ||
1698 | void | |
1699 | produce_special_glyphs (it, what) | |
1700 | struct it *it; | |
1701 | enum display_element_type what; | |
1702 | { | |
1703 | struct it temp_it; | |
072d84a6 | 1704 | GLYPH glyph; |
177c0ea7 | 1705 | |
a168702a GM |
1706 | temp_it = *it; |
1707 | temp_it.dp = NULL; | |
1708 | temp_it.what = IT_CHARACTER; | |
1709 | temp_it.len = 1; | |
7c752c80 | 1710 | temp_it.object = make_number (0); |
a168702a GM |
1711 | bzero (&temp_it.current, sizeof temp_it.current); |
1712 | ||
1713 | if (what == IT_CONTINUATION) | |
1714 | { | |
1715 | /* Continuation glyph. */ | |
1716 | if (it->dp | |
1717 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1718 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1719 | { | |
072d84a6 RS |
1720 | glyph = XINT (DISP_CONTINUE_GLYPH (it->dp)); |
1721 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1722 | } |
1723 | else | |
072d84a6 | 1724 | glyph = '\\'; |
a168702a GM |
1725 | } |
1726 | else if (what == IT_TRUNCATION) | |
1727 | { | |
1728 | /* Truncation glyph. */ | |
1729 | if (it->dp | |
1730 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1731 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1732 | { | |
072d84a6 RS |
1733 | glyph = XINT (DISP_TRUNC_GLYPH (it->dp)); |
1734 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1735 | } |
1736 | else | |
072d84a6 | 1737 | glyph = '$'; |
a168702a GM |
1738 | } |
1739 | else | |
1740 | abort (); | |
072d84a6 RS |
1741 | |
1742 | temp_it.c = FAST_GLYPH_CHAR (glyph); | |
1743 | temp_it.face_id = FAST_GLYPH_FACE (glyph); | |
1744 | temp_it.len = CHAR_BYTES (temp_it.c); | |
1745 | ||
1746 | produce_glyphs (&temp_it); | |
1747 | it->pixel_width = temp_it.pixel_width; | |
1748 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1749 | } |
1750 | ||
1751 | ||
a168702a GM |
1752 | \f |
1753 | /*********************************************************************** | |
1754 | Faces | |
1755 | ***********************************************************************/ | |
1756 | ||
4e6ba4a4 GM |
1757 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1758 | one of the enumerators from enum no_color_bit, or a bit set built | |
1759 | from them. Some display attributes may not be used together with | |
1760 | color; the termcap capability `NC' specifies which ones. */ | |
1761 | ||
fca177d4 KL |
1762 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1763 | (tty->TN_max_colors > 0 \ | |
1764 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1765 | : 1) | |
a168702a | 1766 | |
072d84a6 RS |
1767 | /* Turn appearances of face FACE_ID on tty frame F on. |
1768 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1769 | |
1770 | static void | |
1771 | turn_on_face (f, face_id) | |
1772 | struct frame *f; | |
1773 | int face_id; | |
1774 | { | |
1775 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1776 | long fg = face->foreground; |
1777 | long bg = face->background; | |
28d7d09f | 1778 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1779 | |
86a7d192 GM |
1780 | /* Do this first because TS_end_standout_mode may be the same |
1781 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1782 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1783 | { |
fca177d4 | 1784 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1785 | { |
1786 | if (fg >= 0 && bg >= 0) | |
1787 | { | |
1788 | /* If the terminal supports colors, we can set them | |
1789 | below without using reverse video. The face's fg | |
1790 | and bg colors are set as they should appear on | |
1791 | the screen, i.e. they take the inverse-video'ness | |
1792 | of the face already into account. */ | |
1793 | } | |
1794 | else if (inverse_video) | |
1795 | { | |
1796 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1797 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1798 | toggle_highlight (tty); |
86a7d192 GM |
1799 | } |
1800 | else | |
1801 | { | |
1802 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1803 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1804 | toggle_highlight (tty); |
86a7d192 GM |
1805 | } |
1806 | } | |
1807 | else | |
1808 | { | |
1809 | /* If we can't display colors, use reverse video | |
1810 | if the face specifies that. */ | |
37526b42 GM |
1811 | if (inverse_video) |
1812 | { | |
1813 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1814 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1815 | toggle_highlight (tty); |
37526b42 GM |
1816 | } |
1817 | else | |
1818 | { | |
1819 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1820 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1821 | toggle_highlight (tty); |
37526b42 | 1822 | } |
86a7d192 GM |
1823 | } |
1824 | } | |
a168702a GM |
1825 | |
1826 | if (face->tty_bold_p) | |
4e6ba4a4 | 1827 | { |
fca177d4 KL |
1828 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1829 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1830 | } |
a168702a | 1831 | else if (face->tty_dim_p) |
fca177d4 KL |
1832 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1833 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1834 | |
1835 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1836 | if (face->tty_alt_charset_p |
fca177d4 KL |
1837 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1838 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1839 | |
4e6ba4a4 | 1840 | if (face->tty_blinking_p |
fca177d4 KL |
1841 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1842 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1843 | |
fca177d4 KL |
1844 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1845 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1846 | |
fca177d4 | 1847 | if (tty->TN_max_colors > 0) |
a168702a GM |
1848 | { |
1849 | char *p; | |
177c0ea7 | 1850 | |
fca177d4 | 1851 | if (fg >= 0 && tty->TS_set_foreground) |
a168702a | 1852 | { |
41be4f66 KL |
1853 | if (tty->standout_mode) |
1854 | p = tparam (tty->TS_set_background, NULL, 0, (int) fg); | |
1855 | else | |
1856 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) fg); | |
6548cf00 | 1857 | OUTPUT (tty, p); |
a168702a GM |
1858 | xfree (p); |
1859 | } | |
1860 | ||
fca177d4 | 1861 | if (bg >= 0 && tty->TS_set_background) |
a168702a | 1862 | { |
41be4f66 KL |
1863 | if (tty->standout_mode) |
1864 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) bg); | |
1865 | else | |
1866 | p = tparam (tty->TS_set_background, NULL, 0, (int) bg); | |
6548cf00 | 1867 | OUTPUT (tty, p); |
a168702a GM |
1868 | xfree (p); |
1869 | } | |
1870 | } | |
1871 | } | |
177c0ea7 | 1872 | |
a168702a GM |
1873 | |
1874 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1875 | ||
1876 | static void | |
1877 | turn_off_face (f, face_id) | |
1878 | struct frame *f; | |
1879 | int face_id; | |
1880 | { | |
1881 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1882 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1883 | |
1884 | xassert (face != NULL); | |
1885 | ||
fca177d4 | 1886 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1887 | { |
1888 | /* Capability "me" will turn off appearance modes double-bright, | |
1889 | half-bright, reverse-video, standout, underline. It may or | |
1890 | may not turn off alt-char-mode. */ | |
1891 | if (face->tty_bold_p | |
1892 | || face->tty_dim_p | |
1893 | || face->tty_reverse_p | |
1894 | || face->tty_alt_charset_p | |
1895 | || face->tty_blinking_p | |
1896 | || face->tty_underline_p) | |
65aa5e85 | 1897 | { |
fca177d4 KL |
1898 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1899 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1900 | tty->standout_mode = 0; | |
65aa5e85 | 1901 | } |
a168702a GM |
1902 | |
1903 | if (face->tty_alt_charset_p) | |
fca177d4 | 1904 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1905 | } |
1906 | else | |
1907 | { | |
1908 | /* If we don't have "me" we can only have those appearances | |
1909 | that have exit sequences defined. */ | |
1910 | if (face->tty_alt_charset_p) | |
fca177d4 | 1911 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1912 | |
54800acb | 1913 | if (face->tty_underline_p) |
fca177d4 | 1914 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1915 | } |
1916 | ||
1917 | /* Switch back to default colors. */ | |
fca177d4 | 1918 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1919 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1920 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1921 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1922 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1923 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1924 | } |
177c0ea7 JB |
1925 | |
1926 | ||
b63a55ac MB |
1927 | /* Return non-zero if the terminal on frame F supports all of the |
1928 | capabilities in CAPS simultaneously, with foreground and background | |
1929 | colors FG and BG. */ | |
1930 | ||
4a8130f2 | 1931 | int |
fca177d4 | 1932 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1933 | struct tty_display_info *tty; |
b63a55ac MB |
1934 | unsigned caps; |
1935 | unsigned long fg, bg; | |
1936 | { | |
fca177d4 KL |
1937 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1938 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1939 | return 0; |
1940 | ||
fca177d4 KL |
1941 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1942 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1943 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1944 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1945 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1946 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1947 | |
1948 | /* We can do it! */ | |
1949 | return 1; | |
1950 | } | |
1951 | ||
a168702a GM |
1952 | /* Return non-zero if the terminal is capable to display colors. */ |
1953 | ||
1954 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1955 | 0, 1, 0, |
7e59217d KL |
1956 | doc: /* Return non-nil if the display device DEVICE can display colors. |
1957 | DEVICE must be a tty device. */) | |
1958 | (device) | |
1959 | Lisp_Object device; | |
a168702a | 1960 | { |
7e59217d | 1961 | struct device *d = get_tty_device (device); |
3224dac1 | 1962 | if (!d) |
428a555e | 1963 | return Qnil; |
3224dac1 KL |
1964 | else |
1965 | return d->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; | |
a168702a GM |
1966 | } |
1967 | ||
bfa62f96 EZ |
1968 | /* Return the number of supported colors. */ |
1969 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1970 | Stty_display_color_cells, 0, 1, 0, | |
7e59217d KL |
1971 | doc: /* Return the number of colors supported by the tty device DEVICE. */) |
1972 | (device) | |
1973 | Lisp_Object device; | |
bfa62f96 | 1974 | { |
7e59217d | 1975 | struct device *d = get_tty_device (device); |
3224dac1 | 1976 | if (!d) |
8c8d5f35 | 1977 | return make_number (0); |
3224dac1 KL |
1978 | else |
1979 | return make_number (d->display_info.tty->TN_max_colors); | |
bfa62f96 EZ |
1980 | } |
1981 | ||
ace28297 | 1982 | #ifndef WINDOWSNT |
a168702a | 1983 | |
ace28297 EZ |
1984 | /* Save or restore the default color-related capabilities of this |
1985 | terminal. */ | |
1986 | static void | |
28d7d09f | 1987 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
1988 | { |
1989 | static char | |
1990 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
1991 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
1992 | ||
1993 | if (save) | |
1994 | { | |
1995 | if (default_orig_pair) | |
1996 | xfree (default_orig_pair); | |
fca177d4 | 1997 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1998 | |
1999 | if (default_set_foreground) | |
2000 | xfree (default_set_foreground); | |
fca177d4 | 2001 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2002 | : NULL; |
2003 | ||
2004 | if (default_set_background) | |
2005 | xfree (default_set_background); | |
fca177d4 | 2006 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2007 | : NULL; |
2008 | ||
fca177d4 KL |
2009 | default_max_colors = tty->TN_max_colors; |
2010 | default_max_pairs = tty->TN_max_pairs; | |
2011 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2012 | } |
2013 | else | |
2014 | { | |
fca177d4 KL |
2015 | tty->TS_orig_pair = default_orig_pair; |
2016 | tty->TS_set_foreground = default_set_foreground; | |
2017 | tty->TS_set_background = default_set_background; | |
2018 | tty->TN_max_colors = default_max_colors; | |
2019 | tty->TN_max_pairs = default_max_pairs; | |
2020 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2021 | } |
2022 | } | |
2023 | ||
2024 | /* Setup one of the standard tty color schemes according to MODE. | |
2025 | MODE's value is generally the number of colors which we want to | |
2026 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2027 | we saw at init_tty time; -1 means turn off color support. */ |
ace28297 | 2028 | void |
28d7d09f | 2029 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2030 | { |
40409f05 EZ |
2031 | /* Canonicalize all negative values of MODE. */ |
2032 | if (mode < -1) | |
2033 | mode = -1; | |
2034 | ||
ace28297 EZ |
2035 | switch (mode) |
2036 | { | |
2037 | case -1: /* no colors at all */ | |
fca177d4 KL |
2038 | tty->TN_max_colors = 0; |
2039 | tty->TN_max_pairs = 0; | |
2040 | tty->TN_no_color_video = 0; | |
2041 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2042 | break; |
2043 | case 0: /* default colors, if any */ | |
2044 | default: | |
fca177d4 | 2045 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2046 | break; |
2047 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2048 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2049 | #ifdef TERMINFO |
fca177d4 KL |
2050 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2051 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2052 | #else |
fca177d4 KL |
2053 | tty->TS_set_foreground = "\033[3%dm"; |
2054 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2055 | #endif |
fca177d4 KL |
2056 | tty->TN_max_colors = 8; |
2057 | tty->TN_max_pairs = 64; | |
2058 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2059 | break; |
2060 | } | |
2061 | } | |
2062 | ||
2063 | void | |
2064 | set_tty_color_mode (f, val) | |
2065 | struct frame *f; | |
2066 | Lisp_Object val; | |
2067 | { | |
dfc7a077 | 2068 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2069 | Lisp_Object color_mode, current_mode; |
2070 | int mode, old_mode; | |
2071 | extern Lisp_Object Qtty_color_mode; | |
2072 | Lisp_Object tty_color_mode_alist; | |
2073 | ||
2074 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2075 | Qnil); | |
2076 | ||
9ac61a89 | 2077 | if (INTEGERP (val)) |
ace28297 EZ |
2078 | color_mode = val; |
2079 | else | |
2080 | { | |
2081 | if (NILP (tty_color_mode_alist)) | |
2082 | color_mode_spec = Qnil; | |
2083 | else | |
2084 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2085 | |
2086 | if (CONSP (color_mode_spec)) | |
2087 | color_mode = XCDR (color_mode_spec); | |
2088 | else | |
2089 | color_mode = Qnil; | |
2090 | } | |
545d91d5 RS |
2091 | |
2092 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2093 | ||
ace28297 EZ |
2094 | if (CONSP (current_mode_spec)) |
2095 | current_mode = XCDR (current_mode_spec); | |
2096 | else | |
2097 | current_mode = Qnil; | |
9ac61a89 | 2098 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2099 | mode = XINT (color_mode); |
2100 | else | |
2101 | mode = 0; /* meaning default */ | |
9ac61a89 | 2102 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2103 | old_mode = XINT (current_mode); |
2104 | else | |
2105 | old_mode = 0; | |
2106 | ||
2107 | if (mode != old_mode) | |
2108 | { | |
fca177d4 | 2109 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2110 | /* This recomputes all the faces given the new color |
2111 | definitions. */ | |
2112 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2113 | redraw_frame (f); | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2118 | |
2119 | \f | |
28d440ab | 2120 | |
7e59217d | 2121 | /* Return the display object specified by DEVICE. DEVICE may be a |
b6660415 | 2122 | display id, a frame, or nil for the display device of the current |
68bba4e4 KL |
2123 | frame. If THROW is zero, return NULL for failure, otherwise throw |
2124 | an error. */ | |
b6660415 | 2125 | |
7e59217d KL |
2126 | struct device * |
2127 | get_device (Lisp_Object device, int throw) | |
b6660415 | 2128 | { |
7e59217d | 2129 | struct device *result = NULL; |
68bba4e4 | 2130 | |
7e59217d KL |
2131 | if (NILP (device)) |
2132 | device = selected_frame; | |
b6660415 | 2133 | |
7e59217d | 2134 | if (INTEGERP (device)) |
b6660415 | 2135 | { |
7e59217d | 2136 | struct device *d; |
b6660415 | 2137 | |
7e59217d | 2138 | for (d = device_list; d; d = d->next_device) |
b6660415 | 2139 | { |
7e59217d | 2140 | if (d->id == XINT (device)) |
68bba4e4 KL |
2141 | { |
2142 | result = d; | |
2143 | break; | |
2144 | } | |
b6660415 | 2145 | } |
b6660415 | 2146 | } |
7e59217d | 2147 | else if (FRAMEP (device)) |
b6660415 | 2148 | { |
7e59217d | 2149 | result = FRAME_DEVICE (XFRAME (device)); |
b6660415 | 2150 | } |
68bba4e4 KL |
2151 | |
2152 | if (result == NULL && throw) | |
7e59217d | 2153 | wrong_type_argument (Qdisplay_live_p, device); |
68bba4e4 KL |
2154 | |
2155 | return result; | |
b6660415 KL |
2156 | } |
2157 | ||
7e59217d | 2158 | /* Return the tty display object specified by DEVICE. */ |
b6660415 | 2159 | |
7e59217d KL |
2160 | static struct device * |
2161 | get_tty_device (Lisp_Object device) | |
b6660415 | 2162 | { |
7e59217d | 2163 | struct device *d = get_device (device, 0); |
b6660415 | 2164 | |
d7e4838f KL |
2165 | if (d && d->type == output_initial) |
2166 | d = NULL; | |
2167 | ||
b6660415 | 2168 | if (d && d->type != output_termcap) |
7e59217d | 2169 | error ("Device %d is not a termcap display device", d->id); |
b6660415 KL |
2170 | |
2171 | return d; | |
2172 | } | |
2173 | ||
7e59217d KL |
2174 | /* Return the active termcap device that uses the tty device with the |
2175 | given name. If NAME is NULL, return the device corresponding to | |
b6660415 KL |
2176 | our controlling terminal. |
2177 | ||
7e59217d | 2178 | This function ignores suspended devices. |
da8e1115 KL |
2179 | |
2180 | Returns NULL if the named terminal device is not opened. */ | |
2181 | ||
7e59217d KL |
2182 | struct device * |
2183 | get_named_tty (name) | |
28d440ab KL |
2184 | char *name; |
2185 | { | |
7e59217d | 2186 | struct device *d; |
428a555e | 2187 | |
7e59217d | 2188 | for (d = device_list; d; d = d->next_device) { |
428a555e KL |
2189 | if (d->type == output_termcap |
2190 | && ((d->display_info.tty->name == 0 && name == 0) | |
2191 | || (name && d->display_info.tty->name | |
b6660415 | 2192 | && !strcmp (d->display_info.tty->name, name))) |
7e59217d | 2193 | && DEVICE_ACTIVE_P (d)) |
428a555e | 2194 | return d; |
28d440ab KL |
2195 | }; |
2196 | ||
2197 | return 0; | |
2198 | } | |
2199 | ||
2200 | \f | |
819b8f00 | 2201 | |
b6660415 | 2202 | DEFUN ("display-name", Fdisplay_name, Sdisplay_name, 0, 1, 0, |
7e59217d KL |
2203 | doc: /* Return the name of the display device DEVICE. |
2204 | It is not guaranteed that the returned value is unique among opened devices. | |
819b8f00 | 2205 | |
7e59217d KL |
2206 | DEVICE may be a display device id, a frame, or nil (meaning the |
2207 | selected frame's display device). */) | |
2208 | (device) | |
2209 | Lisp_Object device; | |
b6660415 | 2210 | { |
7e59217d | 2211 | struct device *d = get_device (device, 1); |
819b8f00 | 2212 | |
b6660415 KL |
2213 | if (d->name) |
2214 | return build_string (d->name); | |
819b8f00 KL |
2215 | else |
2216 | return Qnil; | |
2217 | } | |
2218 | ||
b6660415 | 2219 | DEFUN ("display-tty-type", Fdisplay_tty_type, Sdisplay_tty_type, 0, 1, 0, |
7e59217d | 2220 | doc: /* Return the type of the tty device that DEVICE uses. |
a3fbb897 | 2221 | |
7e59217d KL |
2222 | DEVICE may be a display device id, a frame, or nil (meaning the |
2223 | selected frame's display device). */) | |
2224 | (device) | |
2225 | Lisp_Object device; | |
b6660415 | 2226 | { |
7e59217d | 2227 | struct device *d = get_device (device, 1); |
819b8f00 | 2228 | |
b6660415 KL |
2229 | if (d->type != output_termcap) |
2230 | error ("Display %d is not a termcap display", d->id); | |
2231 | ||
2232 | if (d->display_info.tty->type) | |
2233 | return build_string (d->display_info.tty->type); | |
819b8f00 KL |
2234 | else |
2235 | return Qnil; | |
2236 | } | |
2237 | ||
4a933ef8 | 2238 | DEFUN ("display-controlling-tty-p", Fdisplay_controlling_tty_p, Sdisplay_controlling_tty_p, 0, 1, 0, |
7e59217d | 2239 | doc: /* Return non-nil if DEVICE is on the controlling tty of the Emacs process. |
a3fbb897 | 2240 | |
7e59217d KL |
2241 | DEVICE may be a display device id, a frame, or nil (meaning the |
2242 | selected frame's display device). */) | |
2243 | (device) | |
2244 | Lisp_Object device; | |
4a933ef8 | 2245 | { |
7e59217d | 2246 | struct device *d = get_device (device, 1); |
4a933ef8 KL |
2247 | |
2248 | if (d->type != output_termcap || d->display_info.tty->name) | |
2249 | return Qnil; | |
2250 | else | |
2251 | return Qt; | |
2252 | } | |
2253 | ||
a3fbb897 | 2254 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
7e59217d | 2255 | doc: /* Declare that the tty used by DEVICE does not handle underlining. |
a3fbb897 KL |
2256 | This is used to override the terminfo data, for certain terminals that |
2257 | do not really do underlining, but say that they do. This function has | |
2258 | no effect if used on a non-tty display. | |
2259 | ||
7e59217d KL |
2260 | DEVICE may be a display device id, a frame, or nil (meaning the |
2261 | selected frame's display device). */) | |
2262 | (device) | |
2263 | Lisp_Object device; | |
a3fbb897 | 2264 | { |
7e59217d | 2265 | struct device *d = get_device (device, 1); |
a3fbb897 KL |
2266 | |
2267 | if (d->type == output_termcap) | |
2268 | d->display_info.tty->TS_enter_underline_mode = 0; | |
2269 | return Qnil; | |
2270 | } | |
2271 | ||
2272 | ||
819b8f00 | 2273 | \f |
a168702a GM |
2274 | /*********************************************************************** |
2275 | Initialization | |
2276 | ***********************************************************************/ | |
2277 | ||
3224dac1 | 2278 | /* Create the bootstrap display device for the initial frame. |
7e59217d | 2279 | Returns a device of type output_initial. */ |
3224dac1 | 2280 | |
7e59217d KL |
2281 | struct device * |
2282 | init_initial_device (void) | |
28d440ab | 2283 | { |
7e59217d | 2284 | if (initialized || device_list || tty_list) |
428a555e KL |
2285 | abort (); |
2286 | ||
7e59217d KL |
2287 | initial_device = create_device (); |
2288 | initial_device->type = output_initial; | |
2289 | initial_device->name = xstrdup ("initial_device"); | |
2290 | initial_device->kboard = initial_kboard; | |
b6660415 | 2291 | |
7e59217d | 2292 | initial_device->delete_device_hook = &delete_initial_device; |
3224dac1 | 2293 | /* All other hooks are NULL. */ |
bedb9c0e | 2294 | |
7e59217d | 2295 | return initial_device; |
3224dac1 KL |
2296 | } |
2297 | ||
2298 | /* Deletes the bootstrap display device. | |
7e59217d | 2299 | Called through delete_device_hook. */ |
da8e1115 | 2300 | |
3224dac1 | 2301 | void |
7e59217d | 2302 | delete_initial_device (struct device *device) |
3224dac1 | 2303 | { |
7e59217d | 2304 | if (device != initial_device) |
3224dac1 KL |
2305 | abort (); |
2306 | ||
7e59217d KL |
2307 | delete_device (device); |
2308 | initial_device = NULL; | |
28d440ab KL |
2309 | } |
2310 | ||
03a1d6bd KL |
2311 | /* Drop the controlling terminal if fd is the same device. */ |
2312 | void | |
2313 | dissociate_if_controlling_tty (int fd) | |
2314 | { | |
03a1d6bd | 2315 | int pgid; |
8516815b | 2316 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
2317 | if (pgid != -1) |
2318 | { | |
8516815b | 2319 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
2320 | setpgrp (); |
2321 | no_controlling_tty = 1; | |
03a1d6bd KL |
2322 | #else |
2323 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b KL |
2324 | sigblock (sigmask (SIGTTOU)); |
2325 | fd = emacs_open ("/dev/tty", O_RDWR, 0); | |
2326 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) | |
2327 | { | |
2328 | no_controlling_tty = 1; | |
2329 | } | |
2330 | if (fd != -1) | |
2331 | emacs_close (fd); | |
2332 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 2333 | #else |
8516815b KL |
2334 | /* Unknown system. */ |
2335 | croak (); | |
03a1d6bd KL |
2336 | #endif /* ! TIOCNOTTY */ |
2337 | #endif /* ! USG */ | |
71a96040 | 2338 | } |
03a1d6bd KL |
2339 | } |
2340 | ||
520c4dfd KL |
2341 | static void maybe_fatal(); |
2342 | ||
3224dac1 KL |
2343 | /* Create a termcap display on the tty device with the given name and |
2344 | type. | |
2345 | ||
2346 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2347 | Otherwise NAME should be a path to the tty device file, | |
2348 | e.g. "/dev/pts/7". | |
28d440ab | 2349 | |
3224dac1 KL |
2350 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2351 | ||
2352 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2353 | |
7e59217d | 2354 | struct device * |
a4c6993d | 2355 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2356 | { |
2357 | char *area; | |
2358 | char **address = &area; | |
3a06a6d9 | 2359 | char *buffer = NULL; |
5846981b | 2360 | int buffer_size = 4096; |
08a24c47 JB |
2361 | register char *p; |
2362 | int status; | |
28d7d09f | 2363 | struct tty_display_info *tty; |
7e59217d | 2364 | struct device *device; |
28d440ab | 2365 | |
3224dac1 KL |
2366 | if (!terminal_type) |
2367 | maybe_fatal (must_succeed, 0, 0, | |
2368 | "Unknown terminal type", | |
2369 | "Unknown terminal type"); | |
b6660415 | 2370 | |
7e59217d KL |
2371 | /* If we already have a display on the given device, use that. If |
2372 | all such displays are suspended, create a new one instead. */ | |
a4c6993d | 2373 | /* XXX Perhaps this should be made explicit by having init_tty |
7e59217d | 2374 | always create a new display and separating device and frame |
b6660415 | 2375 | creation on Lisp level. */ |
7e59217d KL |
2376 | device = get_named_tty (name); |
2377 | if (device) | |
2378 | return device; | |
428a555e | 2379 | |
7e59217d | 2380 | device = create_device (); |
3224dac1 KL |
2381 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
2382 | bzero (tty, sizeof (struct tty_display_info)); | |
2383 | tty->next = tty_list; | |
2384 | tty_list = tty; | |
428a555e | 2385 | |
7e59217d KL |
2386 | device->type = output_termcap; |
2387 | device->display_info.tty = tty; | |
2388 | tty->device = device; | |
28d440ab | 2389 | |
7b00d185 KL |
2390 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2391 | Wcm_clear (tty); | |
daf01701 | 2392 | |
7e59217d | 2393 | device->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 | 2394 | |
7e59217d KL |
2395 | device->cursor_to_hook = &tty_cursor_to; |
2396 | device->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3224dac1 | 2397 | |
7e59217d KL |
2398 | device->clear_to_end_hook = &tty_clear_to_end; |
2399 | device->clear_frame_hook = &tty_clear_frame; | |
2400 | device->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3224dac1 | 2401 | |
7e59217d | 2402 | device->ins_del_lines_hook = &tty_ins_del_lines; |
3224dac1 | 2403 | |
7e59217d KL |
2404 | device->insert_glyphs_hook = &tty_insert_glyphs; |
2405 | device->write_glyphs_hook = &tty_write_glyphs; | |
2406 | device->delete_glyphs_hook = &tty_delete_glyphs; | |
3224dac1 | 2407 | |
7e59217d | 2408 | device->ring_bell_hook = &tty_ring_bell; |
3224dac1 | 2409 | |
7e59217d KL |
2410 | device->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2411 | device->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2412 | device->update_begin_hook = 0; /* Not needed. */ | |
2413 | device->update_end_hook = &tty_update_end; | |
2414 | device->set_terminal_window_hook = &tty_set_terminal_window; | |
2415 | ||
2416 | device->mouse_position_hook = 0; /* Not needed. */ | |
2417 | device->frame_rehighlight_hook = 0; /* Not needed. */ | |
2418 | device->frame_raise_lower_hook = 0; /* Not needed. */ | |
2419 | ||
2420 | device->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2421 | device->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2422 | device->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2423 | device->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2424 | ||
2425 | device->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2426 | device->frame_up_to_date_hook = 0; /* Not needed. */ | |
3224dac1 | 2427 | |
7e59217d KL |
2428 | device->delete_frame_hook = &delete_tty_output; |
2429 | device->delete_device_hook = &delete_tty; | |
428a555e | 2430 | |
28d440ab KL |
2431 | if (name) |
2432 | { | |
2433 | int fd; | |
0a125897 | 2434 | FILE *file; |
0c72d684 KL |
2435 | |
2436 | #ifdef O_IGNORE_CTTY | |
2437 | /* Open the terminal device. Don't recognize it as our | |
2438 | controlling terminal, and don't make it the controlling tty | |
2439 | if we don't have one at the moment. */ | |
2440 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
2441 | #else | |
2666355c KL |
2442 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
2443 | defined on Hurd. On other systems, we need to dissociate | |
2444 | ourselves from the controlling tty when we want to open a | |
03a1d6bd | 2445 | frame on the same terminal. */ |
0c72d684 KL |
2446 | |
2447 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); | |
03a1d6bd | 2448 | |
0c72d684 KL |
2449 | #endif /* O_IGNORE_CTTY */ |
2450 | ||
28d440ab KL |
2451 | if (fd < 0) |
2452 | { | |
7e59217d | 2453 | delete_tty (device); |
fca177d4 | 2454 | error ("Could not open file: %s", name); |
28d440ab | 2455 | } |
e7cf0fa0 | 2456 | if (!isatty (fd)) |
0c72d684 KL |
2457 | { |
2458 | close (fd); | |
2459 | error ("Not a tty device: %s", name); | |
2460 | } | |
2461 | ||
03a1d6bd KL |
2462 | dissociate_if_controlling_tty (fd); |
2463 | ||
0a125897 | 2464 | file = fdopen (fd, "w+"); |
28d7d09f | 2465 | tty->name = xstrdup (name); |
7e59217d | 2466 | device->name = xstrdup (name); |
28d7d09f KL |
2467 | tty->input = file; |
2468 | tty->output = file; | |
28d440ab KL |
2469 | } |
2470 | else | |
2471 | { | |
0c72d684 KL |
2472 | if (no_controlling_tty) |
2473 | { | |
2474 | /* Opening a frame on stdout is unsafe if we have | |
2475 | disconnected our controlling terminal. */ | |
2476 | error ("There is no controlling terminal any more"); | |
2477 | } | |
28d7d09f | 2478 | tty->name = 0; |
7e59217d | 2479 | device->name = xstrdup (ttyname (0)); |
28d7d09f KL |
2480 | tty->input = stdin; |
2481 | tty->output = stdout; | |
28d440ab KL |
2482 | } |
2483 | ||
28d7d09f | 2484 | tty->type = xstrdup (terminal_type); |
28d440ab | 2485 | |
819b8f00 | 2486 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2487 | |
af645abf KH |
2488 | encode_terminal_bufsize = 0; |
2489 | ||
cb28b9c2 | 2490 | #ifdef WINDOWSNT |
29f27c39 | 2491 | initialize_w32_display (); |
cb28b9c2 | 2492 | |
fca177d4 | 2493 | Wcm_clear (tty); |
cb28b9c2 | 2494 | |
a678d9ff | 2495 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2496 | |
428a555e KL |
2497 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2498 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2499 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2500 | |
7e59217d | 2501 | tty->device->delete_in_insert_mode = 1; |
cb28b9c2 | 2502 | |
daf01701 | 2503 | UseTabs (tty) = 0; |
7e59217d | 2504 | device->scroll_region_ok = 0; |
cb28b9c2 | 2505 | |
7e59217d KL |
2506 | /* Seems to insert lines when it's not supposed to, messing up the |
2507 | device. In doing a trace, it didn't seem to be called much, so I | |
2508 | don't think we're losing anything by turning it off. */ | |
2509 | device->line_ins_del_ok = 0; | |
2510 | device->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2511 | |
2512 | baud_rate = 19200; | |
2513 | ||
428a555e KL |
2514 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2515 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2516 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2517 | |
7e59217d | 2518 | return device; |
eccec691 | 2519 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2520 | |
6548cf00 | 2521 | Wcm_clear (tty); |
08a24c47 | 2522 | |
3a06a6d9 | 2523 | buffer = (char *) xmalloc (buffer_size); |
03a1d6bd KL |
2524 | |
2525 | /* On some systems, tgetent tries to access the controlling | |
2526 | terminal. */ | |
2527 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 2528 | status = tgetent (buffer, terminal_type); |
03a1d6bd KL |
2529 | sigunblock (sigmask (SIGTTOU)); |
2530 | ||
08a24c47 | 2531 | if (status < 0) |
b0347178 KH |
2532 | { |
2533 | #ifdef TERMINFO | |
7e59217d | 2534 | maybe_fatal (must_succeed, buffer, device, |
3224dac1 KL |
2535 | "Cannot open terminfo database file", |
2536 | "Cannot open terminfo database file"); | |
b0347178 | 2537 | #else |
7e59217d | 2538 | maybe_fatal (must_succeed, buffer, device, |
3224dac1 KL |
2539 | "Cannot open termcap database file", |
2540 | "Cannot open termcap database file"); | |
b0347178 KH |
2541 | #endif |
2542 | } | |
08a24c47 | 2543 | if (status == 0) |
b0347178 KH |
2544 | { |
2545 | #ifdef TERMINFO | |
7e59217d | 2546 | maybe_fatal (must_succeed, buffer, device, |
3224dac1 KL |
2547 | "Terminal type %s is not defined", |
2548 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2549 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2550 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2551 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2552 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2553 | terminal_type); |
b0347178 | 2554 | #else |
7e59217d | 2555 | maybe_fatal (must_succeed, buffer, device, |
3224dac1 KL |
2556 | "Terminal type %s is not defined", |
2557 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2558 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2559 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2560 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2561 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2562 | terminal_type); |
b0347178 KH |
2563 | #endif |
2564 | } | |
3a06a6d9 | 2565 | |
f730033e | 2566 | #ifndef TERMINFO |
3a06a6d9 | 2567 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2568 | abort (); |
f730033e | 2569 | buffer_size = strlen (buffer); |
3dd3a502 | 2570 | #endif |
f730033e | 2571 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2572 | |
fca177d4 KL |
2573 | tty->TS_ins_line = tgetstr ("al", address); |
2574 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2575 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2576 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2577 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2578 | tty->TS_clr_line = tgetstr ("ce", address); | |
2579 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2580 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2581 | AbsPosition (tty) = tgetstr ("cm", address); | |
2582 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2583 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2584 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2585 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2586 | tty->TS_del_char = tgetstr ("dc", address); |
2587 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2588 | tty->TS_del_line = tgetstr ("dl", address); | |
2589 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2590 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2591 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2592 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2593 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2594 | tty->TS_ins_char = tgetstr ("ic", address); |
2595 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2596 | tty->TS_insert_mode = tgetstr ("im", address); | |
2597 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2598 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2599 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2600 | LastLine (tty) = tgetstr ("ll", address); |
2601 | Right (tty) = tgetstr ("nd", address); | |
2602 | Down (tty) = tgetstr ("do", address); | |
2603 | if (!Down (tty)) | |
2604 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2605 | #ifdef VMS |
2606 | /* VMS puts a carriage return before each linefeed, | |
2607 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2608 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2609 | Down (tty) = 0; | |
08a24c47 JB |
2610 | #endif /* VMS */ |
2611 | if (tgetflag ("bs")) | |
6548cf00 | 2612 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2613 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2614 | Left (tty) = tgetstr ("le", address); |
2615 | if (!Left (tty)) | |
2616 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2617 | tty->TS_pad_char = tgetstr ("pc", address); |
2618 | tty->TS_repeat = tgetstr ("rp", address); | |
2619 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2620 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2621 | tty->TS_standout_mode = tgetstr ("so", address); | |
2622 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2623 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2624 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2625 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2626 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2627 | tty->TS_visible_bell = tgetstr ("vb", address); |
2628 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2629 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2630 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2631 | tty->TS_set_window = tgetstr ("wi", address); | |
2632 | ||
2633 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2634 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2635 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2636 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2637 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2638 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2639 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2640 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2641 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2642 | |
6548cf00 KL |
2643 | MultiUp (tty) = tgetstr ("UP", address); |
2644 | MultiDown (tty) = tgetstr ("DO", address); | |
2645 | MultiLeft (tty) = tgetstr ("LE", address); | |
2646 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2647 | |
e7f90eab GM |
2648 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2649 | color because we can't switch back to the default foreground and | |
2650 | background. */ | |
fca177d4 KL |
2651 | tty->TS_orig_pair = tgetstr ("op", address); |
2652 | if (tty->TS_orig_pair) | |
a168702a | 2653 | { |
fca177d4 KL |
2654 | tty->TS_set_foreground = tgetstr ("AF", address); |
2655 | tty->TS_set_background = tgetstr ("AB", address); | |
2656 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2657 | { |
2658 | /* SVr4. */ | |
fca177d4 KL |
2659 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2660 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2661 | } |
177c0ea7 | 2662 | |
fca177d4 KL |
2663 | tty->TN_max_colors = tgetnum ("Co"); |
2664 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2665 | |
fca177d4 KL |
2666 | tty->TN_no_color_video = tgetnum ("NC"); |
2667 | if (tty->TN_no_color_video == -1) | |
2668 | tty->TN_no_color_video = 0; | |
a168702a | 2669 | } |
a168702a | 2670 | |
fca177d4 | 2671 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2672 | |
6548cf00 | 2673 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2674 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2675 | the former flag imply the latter. */ | |
6548cf00 | 2676 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
7e59217d | 2677 | device->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2678 | tty->TF_hazeltine = tgetflag ("hz"); |
7e59217d | 2679 | device->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2680 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2681 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2682 | tty->TF_standout_motion = tgetflag ("ms"); | |
2683 | tty->TF_underscore = tgetflag ("ul"); | |
2684 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2685 | |
e7cf0fa0 | 2686 | #ifdef MULTI_KBOARD |
7e59217d KL |
2687 | device->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
2688 | init_kboard (device->kboard); | |
2689 | device->kboard->next_kboard = all_kboards; | |
2690 | all_kboards = device->kboard; | |
2691 | device->kboard->reference_count++; | |
e7cf0fa0 KL |
2692 | /* Don't let the initial kboard remain current longer than necessary. |
2693 | That would cause problems if a file loaded on startup tries to | |
2694 | prompt in the mini-buffer. */ | |
2695 | if (current_kboard == initial_kboard) | |
7e59217d | 2696 | current_kboard = device->kboard; |
e7cf0fa0 KL |
2697 | #endif |
2698 | ||
7e59217d | 2699 | term_get_fkeys (address, device->kboard); |
5c2c7893 | 2700 | |
ff11dfa1 | 2701 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2702 | { |
2703 | int height, width; | |
0b0d3e0b | 2704 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
2705 | FrameCols (tty) = width; |
2706 | FrameRows (tty) = height; | |
3b12ce12 RS |
2707 | } |
2708 | ||
0a125897 KL |
2709 | if (FrameCols (tty) <= 0) |
2710 | FrameCols (tty) = tgetnum ("co"); | |
2711 | if (FrameRows (tty) <= 0) | |
2712 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2713 | |
0a125897 | 2714 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
7e59217d | 2715 | maybe_fatal (must_succeed, NULL, device, |
3224dac1 KL |
2716 | "Screen size %dx%d is too small" |
2717 | "Screen size %dx%d is too small", | |
0a125897 | 2718 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2719 | |
8a56675d | 2720 | #if 0 /* This is not used anywhere. */ |
7e59217d | 2721 | tty->device->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2722 | #endif |
28d440ab | 2723 | |
6548cf00 | 2724 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2725 | |
2726 | #ifdef VMS | |
2727 | /* These capabilities commonly use ^J. | |
2728 | I don't know why, but sending them on VMS does not work; | |
2729 | it causes following spaces to be lost, sometimes. | |
2730 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2731 | if (Down (tty) && Down (tty)[0] == '\n') |
2732 | Down (tty) = 0; | |
08a24c47 JB |
2733 | #endif /* VMS */ |
2734 | ||
fca177d4 KL |
2735 | if (!tty->TS_bell) |
2736 | tty->TS_bell = "\07"; | |
08a24c47 | 2737 | |
fca177d4 KL |
2738 | if (!tty->TS_fwd_scroll) |
2739 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2740 | |
fca177d4 | 2741 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2742 | |
6548cf00 KL |
2743 | if (TabWidth (tty) < 0) |
2744 | TabWidth (tty) = 8; | |
177c0ea7 | 2745 | |
08a24c47 JB |
2746 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2747 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2748 | if (!tty->Wcm->cm_tab) |
2749 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2750 | */ |
2751 | ||
54800acb MB |
2752 | /* We don't support standout modes that use `magic cookies', so |
2753 | turn off any that do. */ | |
fca177d4 | 2754 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2755 | { |
fca177d4 KL |
2756 | tty->TS_standout_mode = 0; |
2757 | tty->TS_end_standout_mode = 0; | |
54800acb | 2758 | } |
fca177d4 | 2759 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2760 | { |
fca177d4 KL |
2761 | tty->TS_enter_underline_mode = 0; |
2762 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2763 | } |
2764 | ||
2765 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2766 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2767 | { |
fca177d4 KL |
2768 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2769 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2770 | } |
2771 | ||
afd359c4 RS |
2772 | /* If no `se' string, try using a `me' string instead. |
2773 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2774 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2775 | { |
e4bfb3b6 | 2776 | char *s = tgetstr ("me", address); |
afd359c4 | 2777 | if (s != 0) |
fca177d4 | 2778 | tty->TS_end_standout_mode = s; |
afd359c4 | 2779 | else |
fca177d4 | 2780 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2781 | } |
2782 | ||
fca177d4 | 2783 | if (tty->TF_teleray) |
08a24c47 | 2784 | { |
6548cf00 | 2785 | tty->Wcm->cm_tab = 0; |
54800acb | 2786 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2787 | tty->TS_standout_mode = 0; |
08a24c47 | 2788 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2789 | CR (tty) = 0; |
08a24c47 JB |
2790 | /* LF can't be trusted either -- can alter hpos */ |
2791 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2792 | Down (tty) = 0; |
08a24c47 JB |
2793 | } |
2794 | ||
2795 | /* Special handling for certain terminal types known to need it */ | |
2796 | ||
2797 | if (!strcmp (terminal_type, "supdup")) | |
2798 | { | |
7e59217d | 2799 | device->memory_below_frame = 1; |
6548cf00 | 2800 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2801 | } |
2802 | if (!strncmp (terminal_type, "c10", 3) | |
2803 | || !strcmp (terminal_type, "perq")) | |
2804 | { | |
2805 | /* Supply a makeshift :wi string. | |
2806 | This string is not valid in general since it works only | |
2807 | for windows starting at the upper left corner; | |
2808 | but that is all Emacs uses. | |
daf01701 | 2809 | |
ff11dfa1 | 2810 | This string works only if the frame is using |
08a24c47 JB |
2811 | the top of the video memory, because addressing is memory-relative. |
2812 | So first check the :ti string to see if that is true. | |
2813 | ||
2814 | It would be simpler if the :wi string could go in the termcap | |
2815 | entry, but it can't because it is not fully valid. | |
2816 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2817 | if (!tty->TS_set_window) |
08a24c47 | 2818 | { |
fca177d4 | 2819 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2820 | while (*p && strcmp (p, "\033v ")) |
2821 | p++; | |
2822 | if (*p) | |
fca177d4 | 2823 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2824 | } |
2825 | /* Termcap entry often fails to have :in: flag */ | |
7e59217d | 2826 | device->must_write_spaces = 1; |
08a24c47 JB |
2827 | /* :ti string typically fails to have \E^G! in it */ |
2828 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2829 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2830 | strcat (area, "\033\007!"); |
fca177d4 | 2831 | tty->TS_termcap_modes = area; |
08a24c47 | 2832 | area += strlen (area) + 1; |
6548cf00 | 2833 | p = AbsPosition (tty); |
08a24c47 | 2834 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2835 | values above 96 correctly for the C100. */ |
08a24c47 | 2836 | while (*p) |
28d440ab KL |
2837 | { |
2838 | if (p[0] == '%' && p[1] == '+') | |
2839 | p[1] = 'C'; | |
2840 | p++; | |
2841 | } | |
08a24c47 JB |
2842 | } |
2843 | ||
0a125897 | 2844 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2845 | |
6548cf00 | 2846 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 2847 | { |
7e59217d | 2848 | maybe_fatal (must_succeed, NULL, device, |
3224dac1 | 2849 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
08a24c47 | 2850 | #ifdef VMS |
3224dac1 | 2851 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2852 | It lacks the ability to position the cursor.\n\ |
2853 | If that is not the actual type of terminal you have, use either the\n\ | |
2854 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2855 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2856 | #else /* not VMS */ |
2857 | # ifdef TERMINFO | |
3224dac1 | 2858 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2859 | It lacks the ability to position the cursor.\n\ |
2860 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2861 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2862 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2863 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2864 | # else /* TERMCAP */ |
3224dac1 | 2865 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2866 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2867 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2868 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2869 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2870 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2871 | # endif /* TERMINFO */ |
2872 | #endif /*VMS */ | |
3224dac1 | 2873 | terminal_type); |
fca177d4 | 2874 | } |
daf01701 | 2875 | |
0a125897 | 2876 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
7e59217d | 2877 | maybe_fatal (must_succeed, NULL, device, |
3224dac1 KL |
2878 | "Could not determine the frame size", |
2879 | "Could not determine the frame size"); | |
08a24c47 | 2880 | |
fca177d4 KL |
2881 | tty->delete_in_insert_mode |
2882 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2883 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2884 | |
fca177d4 KL |
2885 | tty->se_is_so = (tty->TS_standout_mode |
2886 | && tty->TS_end_standout_mode | |
2887 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2888 | |
0b0d3e0b | 2889 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 2890 | |
7e59217d | 2891 | device->scroll_region_ok |
6548cf00 | 2892 | = (tty->Wcm->cm_abs |
fca177d4 | 2893 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2894 | |
7e59217d | 2895 | device->line_ins_del_ok |
fca177d4 KL |
2896 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2897 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
7e59217d | 2898 | || (device->scroll_region_ok |
fca177d4 | 2899 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2900 | |
7e59217d | 2901 | device->char_ins_del_ok |
fca177d4 KL |
2902 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2903 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2904 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2905 | |
7e59217d | 2906 | device->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2907 | |
0b0d3e0b | 2908 | init_baud_rate (fileno (tty->input)); |
20a558dc | 2909 | |
daf01701 KL |
2910 | #ifdef AIXHFT |
2911 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2912 | really ugly at times. */ | |
7e59217d KL |
2913 | device->line_ins_del_ok = 0; |
2914 | device->char_ins_del_ok = 0; | |
daf01701 KL |
2915 | #endif |
2916 | ||
0a125897 KL |
2917 | /* Don't do this. I think termcap may still need the buffer. */ |
2918 | /* xfree (buffer); */ | |
28d440ab | 2919 | |
0a125897 KL |
2920 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2921 | init_sys_modes (tty); | |
daf01701 | 2922 | |
7e59217d | 2923 | return device; |
7b00d185 | 2924 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2925 | } |
2926 | ||
a4c6993d | 2927 | /* Auxiliary error-handling function for init_tty. |
7e59217d | 2928 | Free BUFFER and delete DEVICE, then call error or fatal |
da8e1115 KL |
2929 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
2930 | ||
3224dac1 | 2931 | static void |
7e59217d | 2932 | maybe_fatal (must_succeed, buffer, device, str1, str2, arg1, arg2) |
3224dac1 KL |
2933 | int must_succeed; |
2934 | char *buffer; | |
7e59217d | 2935 | struct device *device; |
3224dac1 KL |
2936 | char *str1, *str2, *arg1, *arg2; |
2937 | { | |
2938 | if (buffer) | |
2939 | xfree (buffer); | |
2940 | ||
7e59217d KL |
2941 | if (device) |
2942 | delete_tty (device); | |
3224dac1 KL |
2943 | |
2944 | if (must_succeed) | |
2945 | fatal (str2, arg1, arg2); | |
2946 | else | |
2947 | error (str1, arg1, arg2); | |
2948 | ||
2949 | abort (); | |
2950 | } | |
2951 | ||
08a24c47 | 2952 | /* VARARGS 1 */ |
dfcf069d | 2953 | void |
08a24c47 | 2954 | fatal (str, arg1, arg2) |
4746118a | 2955 | char *str, *arg1, *arg2; |
08a24c47 JB |
2956 | { |
2957 | fprintf (stderr, "emacs: "); | |
2958 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2959 | fprintf (stderr, "\n"); |
08a24c47 JB |
2960 | fflush (stderr); |
2961 | exit (1); | |
2962 | } | |
07c57952 | 2963 | |
819b8f00 KL |
2964 | \f |
2965 | ||
0a125897 KL |
2966 | static int deleting_tty = 0; |
2967 | ||
da8e1115 KL |
2968 | |
2969 | /* Delete the given terminal device, closing all frames on it. */ | |
2970 | ||
fca177d4 | 2971 | void |
7e59217d | 2972 | delete_tty (struct device *device) |
fca177d4 | 2973 | { |
428a555e | 2974 | struct tty_display_info *tty; |
fca177d4 | 2975 | Lisp_Object tail, frame; |
4d553a13 | 2976 | char *tty_name; |
7e59217d | 2977 | int last_device; |
4d553a13 | 2978 | |
0a125897 KL |
2979 | if (deleting_tty) |
2980 | /* We get a recursive call when we delete the last frame on this | |
7e59217d | 2981 | device. */ |
0a125897 | 2982 | return; |
fca177d4 | 2983 | |
7e59217d | 2984 | if (device->type != output_termcap) |
428a555e KL |
2985 | abort (); |
2986 | ||
7e59217d | 2987 | tty = device->display_info.tty; |
428a555e | 2988 | |
7e59217d | 2989 | last_device = 1; |
81be1a93 KL |
2990 | FOR_EACH_FRAME (tail, frame) |
2991 | { | |
2992 | struct frame *f = XFRAME (frame); | |
2993 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
2994 | { | |
7e59217d | 2995 | last_device = 0; |
81be1a93 KL |
2996 | break; |
2997 | } | |
2998 | } | |
7e59217d KL |
2999 | if (last_device) |
3000 | error ("Attempt to delete the sole display device with live frames"); | |
81be1a93 | 3001 | |
fca177d4 KL |
3002 | if (tty == tty_list) |
3003 | tty_list = tty->next; | |
3004 | else | |
3005 | { | |
28d7d09f | 3006 | struct tty_display_info *p; |
fca177d4 KL |
3007 | for (p = tty_list; p && p->next != tty; p = p->next) |
3008 | ; | |
3009 | ||
3010 | if (! p) | |
3011 | /* This should not happen. */ | |
3012 | abort (); | |
3013 | ||
0a125897 KL |
3014 | p->next = tty->next; |
3015 | tty->next = 0; | |
fca177d4 KL |
3016 | } |
3017 | ||
81be1a93 KL |
3018 | deleting_tty = 1; |
3019 | ||
04c3243c KL |
3020 | FOR_EACH_FRAME (tail, frame) |
3021 | { | |
3022 | struct frame *f = XFRAME (frame); | |
daf01701 | 3023 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
3024 | { |
3025 | Fdelete_frame (frame, Qt); | |
04c3243c KL |
3026 | } |
3027 | } | |
daf01701 | 3028 | |
7e59217d KL |
3029 | /* reset_sys_modes needs a valid device, so this call needs to be |
3030 | before delete_device. */ | |
04c3243c | 3031 | reset_sys_modes (tty); |
fca177d4 | 3032 | |
7e59217d | 3033 | delete_device (device); |
3224dac1 | 3034 | |
4d553a13 | 3035 | tty_name = tty->name; |
fca177d4 KL |
3036 | if (tty->type) |
3037 | xfree (tty->type); | |
daf01701 | 3038 | |
fca177d4 | 3039 | if (tty->input) |
819b8f00 KL |
3040 | { |
3041 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3042 | if (tty->input != stdin) | |
3043 | fclose (tty->input); | |
3044 | } | |
3045 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3046 | fclose (tty->output); |
3047 | if (tty->termscript) | |
3048 | fclose (tty->termscript); | |
daf01701 | 3049 | |
fca177d4 | 3050 | if (tty->old_tty) |
0a125897 | 3051 | xfree (tty->old_tty); |
fca177d4 | 3052 | |
0a125897 | 3053 | if (tty->Wcm) |
daf01701 KL |
3054 | xfree (tty->Wcm); |
3055 | ||
28d7d09f | 3056 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3057 | xfree (tty); |
0a125897 | 3058 | deleting_tty = 0; |
fca177d4 KL |
3059 | } |
3060 | ||
428a555e KL |
3061 | \f |
3062 | ||
3063 | /* Initialize the tty-dependent part of frame F. The frame must | |
7e59217d | 3064 | already have its device initialized. */ |
da8e1115 | 3065 | |
428a555e KL |
3066 | void |
3067 | create_tty_output (struct frame *f) | |
3068 | { | |
e9cda827 KL |
3069 | struct tty_output *t; |
3070 | ||
428a555e KL |
3071 | if (! FRAME_TERMCAP_P (f)) |
3072 | abort (); | |
3073 | ||
e9cda827 | 3074 | t = xmalloc (sizeof (struct tty_output)); |
428a555e KL |
3075 | bzero (t, sizeof (struct tty_output)); |
3076 | ||
7e59217d | 3077 | t->display_info = FRAME_DEVICE (f)->display_info.tty; |
428a555e KL |
3078 | |
3079 | f->output_data.tty = t; | |
3080 | } | |
3081 | ||
3082 | /* Delete the tty-dependent part of frame F. */ | |
da8e1115 | 3083 | |
428a555e KL |
3084 | void |
3085 | delete_tty_output (struct frame *f) | |
3086 | { | |
3087 | if (! FRAME_TERMCAP_P (f)) | |
3088 | abort (); | |
3089 | ||
3090 | xfree (f->output_data.tty); | |
3091 | } | |
3092 | ||
fca177d4 | 3093 | |
819b8f00 | 3094 | \f |
28d440ab | 3095 | |
28d7d09f | 3096 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3097 | Called by the Fgarbage_collector. */ |
da8e1115 | 3098 | |
fca177d4 | 3099 | void |
819b8f00 | 3100 | mark_ttys () |
fca177d4 | 3101 | { |
28d7d09f | 3102 | struct tty_display_info *tty; |
0c72d684 | 3103 | |
819b8f00 | 3104 | for (tty = tty_list; tty; tty = tty->next) |
fca177d4 | 3105 | { |
819b8f00 KL |
3106 | if (tty->top_frame) |
3107 | mark_object (tty->top_frame); | |
fca177d4 KL |
3108 | } |
3109 | } | |
3110 | ||
428a555e KL |
3111 | \f |
3112 | ||
7e59217d | 3113 | /* Create a new device object and add it to the device list. */ |
da8e1115 | 3114 | |
7e59217d KL |
3115 | struct device * |
3116 | create_device (void) | |
428a555e | 3117 | { |
7e59217d | 3118 | struct device *device = (struct device *) xmalloc (sizeof (struct device)); |
428a555e | 3119 | |
7e59217d KL |
3120 | bzero (device, sizeof (struct device)); |
3121 | device->next_device = device_list; | |
3122 | device_list = device; | |
b8299c66 | 3123 | |
7e59217d | 3124 | device->id = next_device_id++; |
b6660415 | 3125 | |
7e59217d | 3126 | device->keyboard_coding = |
b8299c66 | 3127 | (struct coding_system *) xmalloc (sizeof (struct coding_system)); |
7e59217d | 3128 | device->terminal_coding = |
b8299c66 KL |
3129 | (struct coding_system *) xmalloc (sizeof (struct coding_system)); |
3130 | ||
7e59217d KL |
3131 | setup_coding_system (Qnil, device->keyboard_coding); |
3132 | setup_coding_system (Qnil, device->terminal_coding); | |
b8299c66 | 3133 | |
7e59217d | 3134 | return device; |
428a555e KL |
3135 | } |
3136 | ||
7e59217d | 3137 | /* Remove a device from the device list and free its memory. */ |
da8e1115 | 3138 | |
428a555e | 3139 | void |
7e59217d | 3140 | delete_device (struct device *device) |
428a555e | 3141 | { |
7e59217d | 3142 | struct device **dp; |
d448e982 KL |
3143 | Lisp_Object tail, frame; |
3144 | ||
3145 | /* Check for and close live frames that are still on this | |
7e59217d | 3146 | device. */ |
d448e982 KL |
3147 | FOR_EACH_FRAME (tail, frame) |
3148 | { | |
3149 | struct frame *f = XFRAME (frame); | |
7e59217d | 3150 | if (FRAME_LIVE_P (f) && f->device == device) |
d448e982 KL |
3151 | { |
3152 | Fdelete_frame (frame, Qt); | |
3153 | } | |
3154 | } | |
3155 | ||
7e59217d | 3156 | for (dp = &device_list; *dp != device; dp = &(*dp)->next_device) |
428a555e KL |
3157 | if (! *dp) |
3158 | abort (); | |
7e59217d KL |
3159 | *dp = device->next_device; |
3160 | ||
3161 | if (device->keyboard_coding) | |
3162 | xfree (device->keyboard_coding); | |
3163 | if (device->terminal_coding) | |
3164 | xfree (device->terminal_coding); | |
3165 | if (device->name) | |
3166 | xfree (device->name); | |
b6660415 | 3167 | |
bedb9c0e | 3168 | #ifdef MULTI_KBOARD |
7e59217d KL |
3169 | if (device->kboard && --device->kboard->reference_count == 0) |
3170 | delete_kboard (device->kboard); | |
bedb9c0e KL |
3171 | #endif |
3172 | ||
7e59217d KL |
3173 | bzero (device, sizeof (struct device)); |
3174 | xfree (device); | |
428a555e KL |
3175 | } |
3176 | ||
b6660415 | 3177 | DEFUN ("delete-display", Fdelete_display, Sdelete_display, 0, 2, 0, |
7e59217d KL |
3178 | doc: /* Delete DEVICE by deleting all frames on it and closing the device. |
3179 | DEVICE may be a display device id, a frame, or nil (meaning the | |
3180 | selected frame's display device). | |
b6660415 KL |
3181 | |
3182 | Normally, you may not delete a display if all other displays are suspended, | |
3183 | but if the second argument FORCE is non-nil, you may do so. */) | |
7e59217d KL |
3184 | (device, force) |
3185 | Lisp_Object device, force; | |
b6660415 | 3186 | { |
7e59217d | 3187 | struct device *d, *p; |
b6660415 | 3188 | |
7e59217d | 3189 | d = get_device (device, 0); |
b6660415 KL |
3190 | |
3191 | if (!d) | |
3192 | return Qnil; | |
3193 | ||
7e59217d KL |
3194 | p = device_list; |
3195 | while (p && (p == d || !DEVICE_ACTIVE_P (p))) | |
3196 | p = p->next_device; | |
b6660415 KL |
3197 | |
3198 | if (NILP (force) && !p) | |
7e59217d | 3199 | error ("Attempt to delete the sole active display device"); |
b6660415 | 3200 | |
7e59217d KL |
3201 | if (d->delete_device_hook) |
3202 | (*d->delete_device_hook) (d); | |
b6660415 | 3203 | else |
7e59217d | 3204 | delete_device (d); |
b6660415 KL |
3205 | |
3206 | return Qnil; | |
3207 | } | |
3208 | ||
3209 | DEFUN ("display-live-p", Fdisplay_live_p, Sdisplay_live_p, 1, 1, 0, | |
7e59217d KL |
3210 | doc: /* Return non-nil if OBJECT is a device which has not been deleted. |
3211 | Value is nil if OBJECT is not a live display device. | |
3212 | If object is a live display device, the return value indicates what | |
3213 | sort of output device it uses. See the documentation of `framep' for | |
3214 | possible return values. | |
b6660415 | 3215 | |
7e59217d | 3216 | Display devices are represented by their integer identifiers. */) |
b6660415 KL |
3217 | (object) |
3218 | Lisp_Object object; | |
3219 | { | |
7e59217d | 3220 | struct device *d; |
b6660415 KL |
3221 | |
3222 | if (!INTEGERP (object)) | |
3223 | return Qnil; | |
3224 | ||
7e59217d | 3225 | d = get_device (object, 0); |
b6660415 KL |
3226 | |
3227 | if (!d) | |
3228 | return Qnil; | |
3229 | ||
3230 | switch (d->type) | |
3231 | { | |
3232 | case output_initial: /* The initial frame is like a termcap frame. */ | |
3233 | case output_termcap: | |
3234 | return Qt; | |
3235 | case output_x_window: | |
3236 | return Qx; | |
3237 | case output_w32: | |
3238 | return Qw32; | |
3239 | case output_msdos_raw: | |
3240 | return Qpc; | |
3241 | case output_mac: | |
3242 | return Qmac; | |
3243 | default: | |
3244 | abort (); | |
3245 | } | |
3246 | } | |
3247 | ||
3248 | DEFUN ("display-list", Fdisplay_list, Sdisplay_list, 0, 0, 0, | |
7e59217d KL |
3249 | doc: /* Return a list of all display devices. |
3250 | Display devices are represented by their integer identifiers. */) | |
b6660415 KL |
3251 | () |
3252 | { | |
7e59217d KL |
3253 | Lisp_Object devices = Qnil; |
3254 | struct device *d; | |
b6660415 | 3255 | |
7e59217d KL |
3256 | for (d = device_list; d; d = d->next_device) |
3257 | devices = Fcons (make_number (d->id), devices); | |
b6660415 | 3258 | |
7e59217d | 3259 | return devices; |
b6660415 KL |
3260 | } |
3261 | ||
3262 | ||
0b0d3e0b KL |
3263 | \f |
3264 | ||
3265 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
3266 | doc: /* Suspend the terminal device TTY. | |
b6660415 | 3267 | The terminal is restored to its default state, and Emacs ceases all |
0b0d3e0b KL |
3268 | access to the terminal device. Frames that use the device are not |
3269 | deleted, but input is not read from them and if they change, their | |
3270 | display is not updated. | |
3271 | ||
b6660415 KL |
3272 | TTY may be a display id, a frame, or nil for the display device of the |
3273 | currently selected frame. | |
0b0d3e0b KL |
3274 | |
3275 | This function runs `suspend-tty-functions' after suspending the | |
b6660415 KL |
3276 | device. The functions are run with one arg, the id of the suspended |
3277 | display device. | |
0b0d3e0b KL |
3278 | |
3279 | `suspend-tty' does nothing if it is called on an already suspended | |
3280 | device. | |
3281 | ||
3282 | A suspended terminal device may be resumed by calling `resume-tty' on | |
3283 | it. */) | |
3284 | (tty) | |
3285 | Lisp_Object tty; | |
3286 | { | |
7e59217d | 3287 | struct device *d = get_tty_device (tty); |
0b0d3e0b KL |
3288 | FILE *f; |
3289 | ||
3290 | if (!d) | |
3291 | error ("Unknown tty device"); | |
3292 | ||
3293 | f = d->display_info.tty->input; | |
3294 | ||
3295 | if (f) | |
3296 | { | |
3297 | reset_sys_modes (d->display_info.tty); | |
3298 | ||
3299 | delete_keyboard_wait_descriptor (fileno (f)); | |
3300 | ||
3301 | fclose (f); | |
3302 | if (f != d->display_info.tty->output) | |
3303 | fclose (d->display_info.tty->output); | |
3304 | ||
3305 | d->display_info.tty->input = 0; | |
3306 | d->display_info.tty->output = 0; | |
3307 | ||
3308 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3309 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 0); | |
3310 | ||
3311 | /* Run `suspend-tty-functions'. */ | |
3312 | if (!NILP (Vrun_hooks)) | |
3313 | { | |
3314 | Lisp_Object args[2]; | |
3315 | args[0] = intern ("suspend-tty-functions"); | |
b6660415 | 3316 | args[1] = make_number (d->id); |
0b0d3e0b KL |
3317 | Frun_hook_with_args (2, args); |
3318 | } | |
3319 | } | |
3320 | ||
3321 | return Qnil; | |
3322 | } | |
3323 | ||
3324 | ||
3325 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
3326 | doc: /* Resume the previously suspended terminal device TTY. | |
b6660415 KL |
3327 | The terminal is opened and reinitialized. Frames that are on the |
3328 | suspended display are revived. | |
3329 | ||
3330 | It is an error to resume a display while another display is active on | |
3331 | the same device. | |
0b0d3e0b KL |
3332 | |
3333 | This function runs `resume-tty-functions' after resuming the device. | |
b6660415 KL |
3334 | The functions are run with one arg, the id of the resumed display |
3335 | device. | |
0b0d3e0b KL |
3336 | |
3337 | `resume-tty' does nothing if it is called on a device that is not | |
3338 | suspended. | |
3339 | ||
6d93dbff KL |
3340 | TTY may be a display device id, a frame, or nil for the display device |
3341 | of the currently selected frame. */) | |
0b0d3e0b KL |
3342 | (tty) |
3343 | Lisp_Object tty; | |
3344 | { | |
7e59217d | 3345 | struct device *d = get_tty_device (tty); |
0b0d3e0b KL |
3346 | int fd; |
3347 | ||
3348 | if (!d) | |
3349 | error ("Unknown tty device"); | |
3350 | ||
3351 | if (!d->display_info.tty->input) | |
3352 | { | |
7e59217d | 3353 | if (get_named_tty (d->display_info.tty->name)) |
b6660415 KL |
3354 | error ("Cannot resume display while another display is active on the same device"); |
3355 | ||
0b0d3e0b | 3356 | fd = emacs_open (d->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
0b0d3e0b | 3357 | |
03a1d6bd KL |
3358 | /* XXX What if open fails? */ |
3359 | ||
3360 | dissociate_if_controlling_tty (fd); | |
3361 | ||
0b0d3e0b KL |
3362 | d->display_info.tty->output = fdopen (fd, "w+"); |
3363 | d->display_info.tty->input = d->display_info.tty->output; | |
3364 | ||
3365 | add_keyboard_wait_descriptor (fd); | |
3366 | ||
3367 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3368 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 1); | |
3369 | ||
3370 | init_sys_modes (d->display_info.tty); | |
3371 | ||
3372 | /* Run `suspend-tty-functions'. */ | |
3373 | if (!NILP (Vrun_hooks)) | |
3374 | { | |
3375 | Lisp_Object args[2]; | |
3376 | args[0] = intern ("resume-tty-functions"); | |
b6660415 | 3377 | args[1] = make_number (d->id); |
0b0d3e0b KL |
3378 | Frun_hook_with_args (2, args); |
3379 | } | |
3380 | } | |
3381 | ||
3382 | return Qnil; | |
3383 | } | |
28d440ab | 3384 | |
819b8f00 KL |
3385 | \f |
3386 | void | |
3387 | syms_of_term () | |
3388 | { | |
3389 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3390 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3391 | This variable can be used by terminal emulator packages. */); | |
3392 | #ifdef TERMINFO | |
3393 | system_uses_terminfo = 1; | |
3394 | #else | |
3395 | system_uses_terminfo = 0; | |
3396 | #endif | |
3397 | ||
3398 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
3399 | doc: /* Non-nil means call this function to ring the bell. | |
3400 | The function should accept no arguments. */); | |
3401 | Vring_bell_function = Qnil; | |
3402 | ||
0b0d3e0b KL |
3403 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3404 | doc: /* Functions to be run after suspending a tty. | |
3405 | The functions are run with one argument, the name of the tty to be suspended. | |
3406 | See `suspend-tty'. */); | |
3407 | Vsuspend_tty_functions = Qnil; | |
3408 | ||
3409 | ||
3410 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, | |
3411 | doc: /* Functions to be run after resuming a tty. | |
3412 | The functions are run with one argument, the name of the tty that was revived. | |
3413 | See `resume-tty'. */); | |
3414 | Vresume_tty_functions = Qnil; | |
3415 | ||
819b8f00 KL |
3416 | defsubr (&Stty_display_color_p); |
3417 | defsubr (&Stty_display_color_cells); | |
072d84a6 | 3418 | defsubr (&Stty_no_underline); |
b6660415 KL |
3419 | defsubr (&Sdisplay_name); |
3420 | defsubr (&Sdisplay_tty_type); | |
4a933ef8 | 3421 | defsubr (&Sdisplay_controlling_tty_p); |
b6660415 KL |
3422 | defsubr (&Sdelete_display); |
3423 | defsubr (&Sdisplay_live_p); | |
3424 | defsubr (&Sdisplay_list); | |
0b0d3e0b KL |
3425 | defsubr (&Ssuspend_tty); |
3426 | defsubr (&Sresume_tty); | |
daf01701 | 3427 | |
819b8f00 | 3428 | Fprovide (intern ("multi-tty"), Qnil); |
7b00d185 | 3429 | |
819b8f00 KL |
3430 | } |
3431 | ||
3432 | ||
3433 | ||
ab5796a9 MB |
3434 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3435 | (do not change this comment) */ |