Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
4a8130f2 | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002 |
d284f58f | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
28d440ab KL |
29 | #include <sys/file.h> |
30 | ||
0c72d684 | 31 | #include <unistd.h> /* For isatty. */ |
67ad74df KL |
32 | |
33 | #if HAVE_TERMIOS_H | |
34 | #include <termios.h> /* For TIOCNOTTY. */ | |
35 | #endif | |
03a1d6bd KL |
36 | |
37 | #include <signal.h> | |
0c72d684 | 38 | |
9628b887 | 39 | #include "lisp.h" |
08a24c47 JB |
40 | #include "termchar.h" |
41 | #include "termopts.h" | |
a4decb7f KH |
42 | #include "charset.h" |
43 | #include "coding.h" | |
2538fae4 | 44 | #include "keyboard.h" |
ff11dfa1 | 45 | #include "frame.h" |
08a24c47 JB |
46 | #include "disptab.h" |
47 | #include "termhooks.h" | |
dfcf069d | 48 | #include "dispextern.h" |
a168702a | 49 | #include "window.h" |
8feddab4 | 50 | #include "keymap.h" |
03a1d6bd KL |
51 | #include "syssignal.h" |
52 | #include "systty.h" | |
a168702a | 53 | |
ff23e1dd GM |
54 | /* For now, don't try to include termcap.h. On some systems, |
55 | configure finds a non-standard termcap.h that the main build | |
56 | won't find. */ | |
57 | ||
58 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 59 | #include <termcap.h> |
46d1b2bc DL |
60 | #else |
61 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
62 | extern int tgetent P_ ((char *, const char *)); | |
63 | extern int tgetflag P_ ((char *id)); | |
64 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
65 | #endif |
66 | ||
eccec691 | 67 | #include "cm.h" |
dfcf069d AS |
68 | #ifdef HAVE_X_WINDOWS |
69 | #include "xterm.h" | |
70 | #endif | |
e0f712ba | 71 | #ifdef MAC_OS |
1a578e9b AC |
72 | #include "macterm.h" |
73 | #endif | |
c8951b18 | 74 | |
28d440ab KL |
75 | #ifndef O_RDWR |
76 | #define O_RDWR 2 | |
77 | #endif | |
78 | ||
0c72d684 KL |
79 | #ifndef O_NOCTTY |
80 | #define O_NOCTTY 0 | |
81 | #endif | |
82 | ||
a168702a GM |
83 | static void turn_on_face P_ ((struct frame *, int face_id)); |
84 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
85 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
86 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
fca177d4 | 87 | |
3224dac1 | 88 | void delete_initial_display P_ ((struct display *)); |
428a555e KL |
89 | void create_tty_output P_ ((struct frame *)); |
90 | void delete_tty_output P_ ((struct frame *)); | |
a168702a | 91 | |
6548cf00 KL |
92 | #define OUTPUT(tty, a) \ |
93 | emacs_tputs ((tty), a, \ | |
94 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
95 | - curY (tty)), \ | |
96 | cmputc) | |
97 | ||
28d440ab KL |
98 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
99 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 100 | |
28d440ab | 101 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
102 | do { \ |
103 | if (a) \ | |
104 | emacs_tputs ((tty), a, \ | |
105 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
106 | - curY (tty) ), \ | |
107 | cmputc); \ | |
108 | } while (0) | |
177c0ea7 | 109 | |
28d440ab | 110 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 111 | |
f46c2aff KS |
112 | /* Display space properties */ |
113 | ||
114 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
115 | ||
c291d9ef | 116 | /* Function to use to ring the bell. */ |
a168702a | 117 | |
c291d9ef RS |
118 | Lisp_Object Vring_bell_function; |
119 | ||
0b0d3e0b | 120 | /* Functions to call after deleting a tty. */ |
4d553a13 KL |
121 | Lisp_Object Vdelete_tty_after_functions; |
122 | ||
0b0d3e0b KL |
123 | /* Functions to call after suspending a tty. */ |
124 | Lisp_Object Vsuspend_tty_functions; | |
125 | ||
126 | /* Functions to call after resuming a tty. */ | |
127 | Lisp_Object Vresume_tty_functions; | |
128 | ||
428a555e KL |
129 | /* Chain of all displays currently in use. */ |
130 | struct display *display_list; | |
28d440ab | 131 | |
3224dac1 KL |
132 | /* The initial display device, created by initial_term_init. */ |
133 | struct display *initial_display; | |
134 | ||
428a555e | 135 | /* Chain of all tty device parameters. */ |
28d7d09f | 136 | struct tty_display_info *tty_list; |
08a24c47 | 137 | |
fca177d4 KL |
138 | /* Nonzero means no need to redraw the entire frame on resuming a |
139 | suspended Emacs. This is useful on terminals with multiple | |
140 | pages, where one page is used for Emacs and another for all | |
141 | else. */ | |
08a24c47 | 142 | int no_redraw_on_reenter; |
819b8f00 KL |
143 | |
144 | Lisp_Object Qframe_tty_name, Qframe_tty_type; | |
145 | ||
20a558dc | 146 | |
4e6ba4a4 GM |
147 | |
148 | /* Meaning of bits in no_color_video. Each bit set means that the | |
149 | corresponding attribute cannot be combined with colors. */ | |
150 | ||
151 | enum no_color_bit | |
152 | { | |
153 | NC_STANDOUT = 1 << 0, | |
154 | NC_UNDERLINE = 1 << 1, | |
155 | NC_REVERSE = 1 << 2, | |
156 | NC_BLINK = 1 << 3, | |
157 | NC_DIM = 1 << 4, | |
158 | NC_BOLD = 1 << 5, | |
159 | NC_INVIS = 1 << 6, | |
160 | NC_PROTECT = 1 << 7, | |
161 | NC_ALT_CHARSET = 1 << 8 | |
162 | }; | |
163 | ||
08a24c47 JB |
164 | /* internal state */ |
165 | ||
8dd0c7cb | 166 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 167 | |
9882535b | 168 | int max_frame_cols; |
a168702a | 169 | |
8dd0c7cb | 170 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 171 | |
9882535b | 172 | int max_frame_lines; |
8dd0c7cb | 173 | |
0c72d684 KL |
174 | /* Non-zero if we have dropped our controlling tty and therefore |
175 | should not open a frame on stdout. */ | |
176 | static int no_controlling_tty; | |
177 | ||
07c57952 | 178 | /* Provided for lisp packages. */ |
a168702a | 179 | |
07c57952 KH |
180 | static int system_uses_terminfo; |
181 | ||
08a24c47 | 182 | char *tparam (); |
e4bfb3b6 RS |
183 | |
184 | extern char *tgetstr (); | |
08a24c47 | 185 | \f |
cb28b9c2 | 186 | |
1a89b7c6 AI |
187 | #ifdef WINDOWSNT |
188 | /* We aren't X windows, but we aren't termcap either. This makes me | |
189 | uncertain as to what value to use for frame.output_method. For | |
190 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
191 | output hooks get called instead of the termcap functions. Probably | |
192 | the best long-term solution is to define an output_windows_nt... */ | |
193 | ||
194 | #undef FRAME_TERMCAP_P | |
195 | #define FRAME_TERMCAP_P(_f_) 0 | |
196 | #endif /* WINDOWSNT */ | |
197 | ||
dfcf069d | 198 | void |
385ed61f | 199 | ring_bell (struct frame *f) |
08a24c47 | 200 | { |
d284f58f | 201 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
202 | { |
203 | Lisp_Object function; | |
204 | ||
205 | /* Temporarily set the global variable to nil | |
206 | so that if we get an error, it stays nil | |
207 | and we don't call it over and over. | |
208 | ||
209 | We don't specbind it, because that would carefully | |
210 | restore the bad value if there's an error | |
211 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 212 | |
c291d9ef RS |
213 | function = Vring_bell_function; |
214 | Vring_bell_function = Qnil; | |
215 | ||
216 | call0 (function); | |
217 | ||
218 | Vring_bell_function = function; | |
08a24c47 | 219 | } |
428a555e | 220 | else if (FRAME_DISPLAY (f)->ring_bell_hook) |
385ed61f | 221 | (*FRAME_DISPLAY (f)->ring_bell_hook) (f); |
08a24c47 JB |
222 | } |
223 | ||
da8e1115 KL |
224 | /* Ring the bell on a tty. */ |
225 | ||
3224dac1 | 226 | void |
385ed61f | 227 | tty_ring_bell (struct frame *f) |
3224dac1 | 228 | { |
3224dac1 KL |
229 | struct tty_display_info *tty = FRAME_TTY (f); |
230 | ||
231 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
232 | ? tty->TS_visible_bell | |
233 | : tty->TS_bell)); | |
385ed61f | 234 | fflush (tty->output); |
3224dac1 KL |
235 | } |
236 | ||
da8e1115 KL |
237 | /* Set up termcap modes for Emacs. */ |
238 | ||
239 | void | |
240 | tty_set_terminal_modes (struct display *display) | |
fca177d4 | 241 | { |
3224dac1 KL |
242 | struct tty_display_info *tty = display->display_info.tty; |
243 | ||
0b0d3e0b KL |
244 | if (tty->output) |
245 | { | |
246 | OUTPUT_IF (tty, tty->TS_termcap_modes); | |
247 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
248 | OUTPUT_IF (tty, tty->TS_keypad_mode); | |
249 | losecursor (tty); | |
250 | } | |
fca177d4 KL |
251 | } |
252 | ||
da8e1115 KL |
253 | /* Reset termcap modes before exiting Emacs. */ |
254 | ||
255 | void | |
256 | tty_reset_terminal_modes (struct display *display) | |
fca177d4 | 257 | { |
3224dac1 | 258 | struct tty_display_info *tty = display->display_info.tty; |
0b0d3e0b KL |
259 | |
260 | if (tty->output) | |
261 | { | |
262 | turn_off_highlight (tty); | |
263 | turn_off_insert (tty); | |
264 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); | |
265 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
266 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
267 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
268 | /* Output raw CR so kernel can track the cursor hpos. */ | |
269 | current_tty = tty; | |
270 | cmputc ('\r'); | |
271 | } | |
fca177d4 KL |
272 | } |
273 | ||
dfcf069d | 274 | void |
ff11dfa1 | 275 | update_begin (f) |
d284f58f | 276 | struct frame *f; |
08a24c47 | 277 | { |
428a555e KL |
278 | if (FRAME_DISPLAY (f)->update_begin_hook) |
279 | (*FRAME_DISPLAY (f)->update_begin_hook) (f); | |
08a24c47 JB |
280 | } |
281 | ||
dfcf069d | 282 | void |
ff11dfa1 | 283 | update_end (f) |
d284f58f | 284 | struct frame *f; |
08a24c47 | 285 | { |
428a555e KL |
286 | if (FRAME_DISPLAY (f)->update_end_hook) |
287 | (*FRAME_DISPLAY (f)->update_end_hook) (f); | |
08a24c47 JB |
288 | } |
289 | ||
da8e1115 KL |
290 | /* Flag the end of a display update on a termcap display. */ |
291 | ||
3224dac1 KL |
292 | void |
293 | tty_update_end (struct frame *f) | |
294 | { | |
295 | struct tty_display_info *tty = FRAME_TTY (f); | |
296 | ||
297 | if (!XWINDOW (selected_window)->cursor_off_p) | |
298 | tty_show_cursor (tty); | |
299 | turn_off_insert (tty); | |
300 | background_highlight (tty); | |
301 | } | |
302 | ||
da8e1115 KL |
303 | /* Specify how many text lines, from the top of the window, |
304 | should be affected by insert-lines and delete-lines operations. | |
305 | This, and those operations, are used only within an update | |
306 | that is bounded by calls to update_begin and update_end. */ | |
307 | ||
dfcf069d | 308 | void |
385ed61f KL |
309 | set_terminal_window (f, size) |
310 | struct frame *f; | |
08a24c47 JB |
311 | int size; |
312 | { | |
428a555e | 313 | if (FRAME_DISPLAY (f)->set_terminal_window_hook) |
385ed61f | 314 | (*FRAME_DISPLAY (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 |
385ed61f KL |
330 | set_scroll_region (f, start, stop) |
331 | struct frame *f; | |
08a24c47 JB |
332 | int start, stop; |
333 | { | |
334 | char *buf; | |
28d7d09f | 335 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 336 | |
fca177d4 KL |
337 | if (tty->TS_set_scroll_region) |
338 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
339 | else if (tty->TS_set_scroll_region_1) | |
340 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
341 | FRAME_LINES (f), start, |
342 | FRAME_LINES (f) - stop, | |
343 | FRAME_LINES (f)); | |
08a24c47 | 344 | else |
fca177d4 | 345 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 346 | |
6548cf00 | 347 | OUTPUT (tty, buf); |
9ac0d9e0 | 348 | xfree (buf); |
6548cf00 | 349 | losecursor (tty); |
08a24c47 | 350 | } |
d284f58f | 351 | |
08a24c47 | 352 | \f |
d284f58f | 353 | static void |
28d7d09f | 354 | turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 355 | { |
fca177d4 KL |
356 | if (!tty->insert_mode) |
357 | OUTPUT (tty, tty->TS_insert_mode); | |
358 | tty->insert_mode = 1; | |
08a24c47 JB |
359 | } |
360 | ||
dfcf069d | 361 | void |
28d7d09f | 362 | turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 363 | { |
fca177d4 KL |
364 | if (tty->insert_mode) |
365 | OUTPUT (tty, tty->TS_end_insert_mode); | |
366 | tty->insert_mode = 0; | |
08a24c47 JB |
367 | } |
368 | \f | |
54800acb | 369 | /* Handle highlighting. */ |
08a24c47 | 370 | |
dfcf069d | 371 | void |
28d7d09f | 372 | turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 373 | { |
fca177d4 KL |
374 | if (tty->standout_mode) |
375 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
376 | tty->standout_mode = 0; | |
08a24c47 JB |
377 | } |
378 | ||
d284f58f | 379 | static void |
28d7d09f | 380 | turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 381 | { |
fca177d4 KL |
382 | if (!tty->standout_mode) |
383 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
384 | tty->standout_mode = 1; | |
08a24c47 JB |
385 | } |
386 | ||
86a7d192 | 387 | static void |
28d7d09f | 388 | toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 389 | { |
fca177d4 KL |
390 | if (tty->standout_mode) |
391 | turn_off_highlight (tty); | |
86a7d192 | 392 | else |
fca177d4 | 393 | turn_on_highlight (tty); |
86a7d192 GM |
394 | } |
395 | ||
a168702a GM |
396 | |
397 | /* Make cursor invisible. */ | |
398 | ||
399 | static void | |
28d7d09f | 400 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 401 | { |
fca177d4 | 402 | if (tty->cursor_hidden == 0) |
d284f58f | 403 | { |
fca177d4 KL |
404 | tty->cursor_hidden = 1; |
405 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 406 | } |
a168702a GM |
407 | } |
408 | ||
409 | ||
410 | /* Ensure that cursor is visible. */ | |
411 | ||
412 | static void | |
28d7d09f | 413 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 414 | { |
fca177d4 | 415 | if (tty->cursor_hidden) |
d284f58f | 416 | { |
fca177d4 KL |
417 | tty->cursor_hidden = 0; |
418 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
419 | OUTPUT_IF (tty, tty->TS_cursor_visible); | |
d284f58f | 420 | } |
a168702a GM |
421 | } |
422 | ||
423 | ||
08a24c47 JB |
424 | /* Set standout mode to the state it should be in for |
425 | empty space inside windows. What this is, | |
426 | depends on the user option inverse-video. */ | |
427 | ||
dfcf069d | 428 | void |
28d7d09f | 429 | background_highlight (struct tty_display_info *tty) |
08a24c47 | 430 | { |
08a24c47 | 431 | if (inverse_video) |
fca177d4 | 432 | turn_on_highlight (tty); |
08a24c47 | 433 | else |
fca177d4 | 434 | turn_off_highlight (tty); |
08a24c47 JB |
435 | } |
436 | ||
437 | /* Set standout mode to the mode specified for the text to be output. */ | |
438 | ||
dfcf069d | 439 | static void |
28d7d09f | 440 | highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 441 | { |
8ede64a5 | 442 | if (inverse_video) |
fca177d4 | 443 | turn_on_highlight (tty); |
8ede64a5 | 444 | else |
fca177d4 | 445 | turn_off_highlight (tty); |
08a24c47 JB |
446 | } |
447 | \f | |
448 | ||
a168702a GM |
449 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
450 | frame-relative coordinates. */ | |
08a24c47 | 451 | |
dfcf069d | 452 | void |
385ed61f KL |
453 | cursor_to (f, vpos, hpos) |
454 | struct frame *f; | |
a168702a | 455 | int vpos, hpos; |
08a24c47 | 456 | { |
428a555e | 457 | if (FRAME_DISPLAY (f)->cursor_to_hook) |
385ed61f | 458 | (*FRAME_DISPLAY (f)->cursor_to_hook) (f, vpos, hpos); |
3224dac1 | 459 | } |
08a24c47 | 460 | |
3224dac1 | 461 | void |
385ed61f | 462 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
3224dac1 | 463 | { |
3224dac1 | 464 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 465 | |
36cae867 KH |
466 | /* Detect the case where we are called from reset_sys_modes |
467 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 468 | if (! tty->costs_set) |
36cae867 KH |
469 | return; |
470 | ||
6548cf00 KL |
471 | if (curY (tty) == vpos |
472 | && curX (tty) == hpos) | |
08a24c47 | 473 | return; |
fca177d4 KL |
474 | if (!tty->TF_standout_motion) |
475 | background_highlight (tty); | |
476 | if (!tty->TF_insmode_motion) | |
477 | turn_off_insert (tty); | |
6548cf00 | 478 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
479 | } |
480 | ||
481 | /* Similar but don't take any account of the wasted characters. */ | |
482 | ||
dfcf069d | 483 | void |
385ed61f KL |
484 | raw_cursor_to (f, row, col) |
485 | struct frame *f; | |
4746118a | 486 | int row, col; |
08a24c47 | 487 | { |
428a555e | 488 | if (FRAME_DISPLAY (f)->raw_cursor_to_hook) |
385ed61f | 489 | (*FRAME_DISPLAY (f)->raw_cursor_to_hook) (f, row, col); |
3224dac1 KL |
490 | } |
491 | ||
492 | void | |
385ed61f | 493 | tty_raw_cursor_to (struct frame *f, int row, int col) |
3224dac1 | 494 | { |
3224dac1 KL |
495 | struct tty_display_info *tty = FRAME_TTY (f); |
496 | ||
6548cf00 KL |
497 | if (curY (tty) == row |
498 | && curX (tty) == col) | |
08a24c47 | 499 | return; |
fca177d4 KL |
500 | if (!tty->TF_standout_motion) |
501 | background_highlight (tty); | |
502 | if (!tty->TF_insmode_motion) | |
503 | turn_off_insert (tty); | |
6548cf00 | 504 | cmgoto (tty, row, col); |
08a24c47 JB |
505 | } |
506 | \f | |
507 | /* Erase operations */ | |
508 | ||
da8e1115 | 509 | /* Clear from cursor to end of frame. */ |
dfcf069d | 510 | void |
385ed61f | 511 | clear_to_end (struct frame *f) |
08a24c47 | 512 | { |
428a555e | 513 | if (FRAME_DISPLAY (f)->clear_to_end_hook) |
385ed61f | 514 | (*FRAME_DISPLAY (f)->clear_to_end_hook) (f); |
3224dac1 KL |
515 | } |
516 | ||
da8e1115 KL |
517 | /* Clear from cursor to end of frame on a termcap device. */ |
518 | ||
3224dac1 | 519 | void |
385ed61f | 520 | tty_clear_to_end (struct frame *f) |
3224dac1 KL |
521 | { |
522 | register int i; | |
3224dac1 KL |
523 | struct tty_display_info *tty = FRAME_TTY (f); |
524 | ||
fca177d4 | 525 | if (tty->TS_clr_to_bottom) |
08a24c47 | 526 | { |
fca177d4 KL |
527 | background_highlight (tty); |
528 | OUTPUT (tty, tty->TS_clr_to_bottom); | |
08a24c47 JB |
529 | } |
530 | else | |
531 | { | |
6548cf00 | 532 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 533 | { |
385ed61f KL |
534 | cursor_to (f, i, 0); |
535 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
536 | } |
537 | } | |
538 | } | |
539 | ||
ff11dfa1 | 540 | /* Clear entire frame */ |
08a24c47 | 541 | |
dfcf069d | 542 | void |
385ed61f | 543 | clear_frame (struct frame *f) |
08a24c47 | 544 | { |
428a555e | 545 | if (FRAME_DISPLAY (f)->clear_frame_hook) |
385ed61f | 546 | (*FRAME_DISPLAY (f)->clear_frame_hook) (f); |
3224dac1 KL |
547 | } |
548 | ||
da8e1115 KL |
549 | /* Clear an entire termcap frame. */ |
550 | ||
3224dac1 | 551 | void |
385ed61f | 552 | tty_clear_frame (struct frame *f) |
3224dac1 | 553 | { |
3224dac1 KL |
554 | struct tty_display_info *tty = FRAME_TTY (f); |
555 | ||
fca177d4 | 556 | if (tty->TS_clr_frame) |
08a24c47 | 557 | { |
fca177d4 KL |
558 | background_highlight (tty); |
559 | OUTPUT (tty, tty->TS_clr_frame); | |
6548cf00 | 560 | cmat (tty, 0, 0); |
08a24c47 JB |
561 | } |
562 | else | |
563 | { | |
385ed61f KL |
564 | cursor_to (f, 0, 0); |
565 | clear_to_end (f); | |
08a24c47 JB |
566 | } |
567 | } | |
568 | ||
08a24c47 JB |
569 | /* Clear from cursor to end of line. |
570 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
571 | |
572 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
573 | ||
dfcf069d | 574 | void |
385ed61f KL |
575 | clear_end_of_line (f, first_unused_hpos) |
576 | struct frame *f; | |
08a24c47 JB |
577 | int first_unused_hpos; |
578 | { | |
428a555e | 579 | if (FRAME_DISPLAY (f)->clear_end_of_line_hook) |
385ed61f | 580 | (*FRAME_DISPLAY (f)->clear_end_of_line_hook) (f, first_unused_hpos); |
0a125897 | 581 | } |
6548cf00 | 582 | |
da8e1115 KL |
583 | /* An implementation of clear_end_of_line for termcap frames. |
584 | ||
585 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
586 | ||
0a125897 | 587 | void |
385ed61f | 588 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
0a125897 KL |
589 | { |
590 | register int i; | |
3224dac1 KL |
591 | struct tty_display_info *tty = FRAME_TTY (f); |
592 | ||
36cae867 KH |
593 | /* Detect the case where we are called from reset_sys_modes |
594 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 595 | if (! tty->costs_set) |
36cae867 KH |
596 | return; |
597 | ||
6548cf00 | 598 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 599 | return; |
fca177d4 KL |
600 | background_highlight (tty); |
601 | if (tty->TS_clr_line) | |
08a24c47 | 602 | { |
fca177d4 | 603 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
604 | } |
605 | else | |
606 | { /* have to do it the hard way */ | |
fca177d4 | 607 | turn_off_insert (tty); |
08a24c47 | 608 | |
a168702a | 609 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 610 | if (AutoWrap (tty) |
0a125897 KL |
611 | && curY (tty) == FrameRows (tty) - 1 |
612 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
613 | first_unused_hpos--; |
614 | ||
6548cf00 | 615 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 616 | { |
0b0d3e0b KL |
617 | if (tty->termscript) |
618 | fputc (' ', tty->termscript); | |
619 | fputc (' ', tty->output); | |
08a24c47 | 620 | } |
6548cf00 | 621 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
622 | } |
623 | } | |
624 | \f | |
a4decb7f KH |
625 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
626 | store them at DST. Do not write more than DST_LEN bytes. That may | |
627 | require stopping before all SRC_LEN input glyphs have been | |
628 | converted. | |
629 | ||
630 | We store the number of glyphs actually converted in *CONSUMED. The | |
631 | return value is the number of bytes store in DST. */ | |
632 | ||
633 | int | |
634 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 635 | struct glyph *src; |
a4decb7f KH |
636 | int src_len; |
637 | unsigned char *dst; | |
638 | int dst_len, *consumed; | |
639 | { | |
a168702a | 640 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 641 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 642 | register GLYPH g; |
405ea71c KR |
643 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH]; |
644 | const unsigned char *buf; | |
6589fd67 | 645 | int len; |
a4decb7f KH |
646 | register int tlen = GLYPH_TABLE_LENGTH; |
647 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 648 | int result; |
6589fd67 KH |
649 | struct coding_system *coding; |
650 | ||
1ac0700a KH |
651 | /* If terminal_coding does any conversion, use it, otherwise use |
652 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
653 | because it always return 1 if the member src_multibyte is 1. */ | |
654 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
655 | ? &terminal_coding |
656 | : &safe_terminal_coding); | |
a4decb7f KH |
657 | |
658 | while (src < src_end) | |
659 | { | |
a4decb7f | 660 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 661 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 662 | { |
32de38e4 KH |
663 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
664 | ||
665 | if (g < 0 || g >= tlen) | |
085d5908 | 666 | { |
32de38e4 KH |
667 | /* This glyph doesn't has an entry in Vglyph_table. */ |
668 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
669 | { | |
670 | len = 1; | |
671 | buf = " "; | |
f2ba40be | 672 | coding->src_multibyte = 0; |
32de38e4 KH |
673 | } |
674 | else | |
675 | { | |
676 | len = CHAR_STRING (src->u.ch, workbuf); | |
677 | buf = workbuf; | |
f2ba40be | 678 | coding->src_multibyte = 1; |
32de38e4 | 679 | } |
085d5908 | 680 | } |
32de38e4 | 681 | else |
a4decb7f | 682 | { |
32de38e4 | 683 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
684 | so process any alias before testing for simpleness. */ |
685 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
686 | |
687 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
688 | { | |
c989b7be KH |
689 | /* We set the multi-byte form of a character in G |
690 | (that should be an ASCII character) at | |
691 | WORKBUF. */ | |
692 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
693 | len = 1; | |
32de38e4 | 694 | buf = workbuf; |
f2ba40be | 695 | coding->src_multibyte = 0; |
32de38e4 KH |
696 | } |
697 | else | |
698 | { | |
699 | /* We have a string in Vglyph_table. */ | |
700 | len = GLYPH_LENGTH (tbase, g); | |
701 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 702 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 703 | } |
171d7f24 | 704 | } |
177c0ea7 | 705 | |
f3ac545f | 706 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 707 | len -= coding->consumed; |
6589fd67 | 708 | dst += coding->produced; |
f3ac545f KH |
709 | if (result == CODING_FINISH_INSUFFICIENT_DST |
710 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
711 | && len > dst_end - dst)) | |
712 | /* The remaining output buffer is too short. We must | |
713 | break the loop here without increasing SRC so that the | |
714 | next call of this function starts from the same glyph. */ | |
715 | break; | |
716 | ||
c42869c4 KH |
717 | if (len > 0) |
718 | { | |
f3ac545f KH |
719 | /* This is the case that a code of the range 0200..0237 |
720 | exists in buf. We must just write out such a code. */ | |
721 | buf += coding->consumed; | |
722 | while (len--) | |
723 | *dst++ = *buf++; | |
c42869c4 | 724 | } |
a4decb7f KH |
725 | } |
726 | src++; | |
727 | } | |
177c0ea7 | 728 | |
a4decb7f KH |
729 | *consumed = src - src_start; |
730 | return (dst - dst_start); | |
731 | } | |
732 | ||
08a24c47 | 733 | |
da8e1115 KL |
734 | /* Output LEN glyphs starting at STRING at the nominal cursor position. |
735 | Advance the nominal cursor over the text. */ | |
736 | ||
dfcf069d | 737 | void |
385ed61f KL |
738 | write_glyphs (f, string, len) |
739 | struct frame *f; | |
a168702a | 740 | register struct glyph *string; |
08a24c47 | 741 | register int len; |
3224dac1 | 742 | { |
3224dac1 | 743 | if (FRAME_DISPLAY (f)->write_glyphs_hook) |
385ed61f | 744 | (*FRAME_DISPLAY (f)->write_glyphs_hook) (f, string, len); |
3224dac1 KL |
745 | } |
746 | ||
da8e1115 KL |
747 | /* An implementation of write_glyphs for termcap frames. */ |
748 | ||
3224dac1 | 749 | void |
385ed61f | 750 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 751 | { |
a4decb7f | 752 | int produced, consumed; |
d2fdb076 KH |
753 | unsigned char conversion_buffer[1024]; |
754 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 | 755 | |
3224dac1 | 756 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 757 | |
fca177d4 KL |
758 | turn_off_insert (tty); |
759 | tty_hide_cursor (tty); | |
08a24c47 | 760 | |
a168702a | 761 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 762 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 763 | |
6548cf00 KL |
764 | if (AutoWrap (tty) |
765 | && curY (tty) + 1 == FRAME_LINES (f) | |
766 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 767 | len --; |
a4decb7f KH |
768 | if (len <= 0) |
769 | return; | |
08a24c47 | 770 | |
6548cf00 | 771 | cmplus (tty, len); |
177c0ea7 | 772 | |
6589fd67 KH |
773 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
774 | the tail. */ | |
775 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
177c0ea7 | 776 | |
a4decb7f | 777 | while (len > 0) |
08a24c47 | 778 | { |
a168702a | 779 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 780 | int face_id = string->face_id; |
a168702a | 781 | int n; |
177c0ea7 | 782 | |
a168702a | 783 | for (n = 1; n < len; ++n) |
32de38e4 | 784 | if (string[n].face_id != face_id) |
a168702a GM |
785 | break; |
786 | ||
787 | /* Turn appearance modes of the face of the run on. */ | |
fca177d4 | 788 | highlight_if_desired (tty); |
a168702a GM |
789 | turn_on_face (f, face_id); |
790 | ||
791 | while (n > 0) | |
08a24c47 | 792 | { |
d2fdb076 KH |
793 | /* We use a fixed size (1024 bytes) of conversion buffer. |
794 | Usually it is sufficient, but if not, we just repeat the | |
795 | loop. */ | |
a168702a GM |
796 | produced = encode_terminal_code (string, conversion_buffer, |
797 | n, conversion_buffer_size, | |
798 | &consumed); | |
799 | if (produced > 0) | |
800 | { | |
28d440ab | 801 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b KL |
802 | tty->output); |
803 | if (ferror (tty->output)) | |
804 | clearerr (tty->output); | |
805 | if (tty->termscript) | |
28d440ab | 806 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b | 807 | tty->termscript); |
a168702a GM |
808 | } |
809 | len -= consumed; | |
810 | n -= consumed; | |
811 | string += consumed; | |
08a24c47 | 812 | } |
a168702a GM |
813 | |
814 | /* Turn appearance modes off. */ | |
815 | turn_off_face (f, face_id); | |
fca177d4 | 816 | turn_off_highlight (tty); |
a4decb7f | 817 | } |
177c0ea7 | 818 | |
a4decb7f | 819 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 820 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 821 | { |
6589fd67 | 822 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 823 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
824 | 0, conversion_buffer_size); |
825 | if (terminal_coding.produced > 0) | |
df8bf431 | 826 | { |
28d440ab | 827 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
0b0d3e0b KL |
828 | tty->output); |
829 | if (ferror (tty->output)) | |
830 | clearerr (tty->output); | |
831 | if (tty->termscript) | |
6589fd67 | 832 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
0b0d3e0b | 833 | tty->termscript); |
df8bf431 | 834 | } |
08a24c47 | 835 | } |
177c0ea7 | 836 | |
6548cf00 | 837 | cmcheckmagic (tty); |
08a24c47 JB |
838 | } |
839 | ||
da8e1115 KL |
840 | /* Insert LEN glyphs from START at the nominal cursor position. |
841 | ||
842 | If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 843 | |
dfcf069d | 844 | void |
385ed61f KL |
845 | insert_glyphs (f, start, len) |
846 | struct frame *f; | |
a168702a | 847 | register struct glyph *start; |
08a24c47 JB |
848 | register int len; |
849 | { | |
a4decb7f KH |
850 | if (len <= 0) |
851 | return; | |
852 | ||
428a555e | 853 | if (FRAME_DISPLAY (f)->insert_glyphs_hook) |
385ed61f | 854 | (*FRAME_DISPLAY (f)->insert_glyphs_hook) (f, start, len); |
3224dac1 | 855 | } |
a168702a | 856 | |
da8e1115 KL |
857 | /* An implementation of insert_glyphs for termcap frames. */ |
858 | ||
3224dac1 | 859 | void |
385ed61f | 860 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
3224dac1 KL |
861 | { |
862 | char *buf; | |
863 | struct glyph *glyph = NULL; | |
3224dac1 KL |
864 | |
865 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 866 | |
fca177d4 | 867 | if (tty->TS_ins_multi_chars) |
08a24c47 | 868 | { |
fca177d4 | 869 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 870 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 871 | xfree (buf); |
08a24c47 | 872 | if (start) |
385ed61f | 873 | write_glyphs (f, start, len); |
08a24c47 JB |
874 | return; |
875 | } | |
876 | ||
fca177d4 | 877 | turn_on_insert (tty); |
6548cf00 | 878 | cmplus (tty, len); |
6589fd67 KH |
879 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
880 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 881 | while (len-- > 0) |
08a24c47 | 882 | { |
a4decb7f | 883 | int produced, consumed; |
d2fdb076 KH |
884 | unsigned char conversion_buffer[1024]; |
885 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 886 | |
fca177d4 | 887 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 888 | if (!start) |
32de38e4 KH |
889 | { |
890 | conversion_buffer[0] = SPACEGLYPH; | |
891 | produced = 1; | |
892 | } | |
08a24c47 | 893 | else |
08a24c47 | 894 | { |
fca177d4 | 895 | highlight_if_desired (tty); |
32de38e4 | 896 | turn_on_face (f, start->face_id); |
816be8b8 | 897 | glyph = start; |
a168702a | 898 | ++start; |
a4decb7f KH |
899 | /* We must open sufficient space for a character which |
900 | occupies more than one column. */ | |
a168702a | 901 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 902 | { |
fca177d4 | 903 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
904 | start++, len--; |
905 | } | |
a4decb7f | 906 | |
32de38e4 KH |
907 | if (len <= 0) |
908 | /* This is the last glyph. */ | |
909 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
910 | ||
d2fdb076 KH |
911 | /* The size of conversion buffer (1024 bytes) is surely |
912 | sufficient for just one glyph. */ | |
816be8b8 | 913 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
914 | conversion_buffer_size, &consumed); |
915 | } | |
a4decb7f | 916 | |
a4decb7f | 917 | if (produced > 0) |
08a24c47 | 918 | { |
28d440ab | 919 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b KL |
920 | tty->output); |
921 | if (ferror (tty->output)) | |
922 | clearerr (tty->output); | |
923 | if (tty->termscript) | |
28d440ab | 924 | fwrite (conversion_buffer, 1, produced, |
0b0d3e0b | 925 | tty->termscript); |
08a24c47 JB |
926 | } |
927 | ||
fca177d4 | 928 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 929 | if (start) |
65aa5e85 GM |
930 | { |
931 | turn_off_face (f, glyph->face_id); | |
fca177d4 | 932 | turn_off_highlight (tty); |
65aa5e85 | 933 | } |
9a6b6f92 | 934 | } |
177c0ea7 | 935 | |
6548cf00 | 936 | cmcheckmagic (tty); |
08a24c47 JB |
937 | } |
938 | ||
da8e1115 KL |
939 | /* Delete N glyphs at the nominal cursor position. */ |
940 | ||
dfcf069d | 941 | void |
385ed61f KL |
942 | delete_glyphs (f, n) |
943 | struct frame *f; | |
08a24c47 JB |
944 | register int n; |
945 | { | |
428a555e | 946 | if (FRAME_DISPLAY (f)->delete_glyphs_hook) |
385ed61f | 947 | (*FRAME_DISPLAY (f)->delete_glyphs_hook) (f, n); |
3224dac1 | 948 | } |
08a24c47 | 949 | |
da8e1115 KL |
950 | /* An implementation of delete_glyphs for termcap frames. */ |
951 | ||
3224dac1 | 952 | void |
385ed61f | 953 | tty_delete_glyphs (struct frame *f, int n) |
3224dac1 KL |
954 | { |
955 | char *buf; | |
956 | register int i; | |
3224dac1 KL |
957 | |
958 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 959 | |
fca177d4 | 960 | if (tty->delete_in_insert_mode) |
08a24c47 | 961 | { |
fca177d4 | 962 | turn_on_insert (tty); |
08a24c47 JB |
963 | } |
964 | else | |
965 | { | |
fca177d4 KL |
966 | turn_off_insert (tty); |
967 | OUTPUT_IF (tty, tty->TS_delete_mode); | |
08a24c47 | 968 | } |
daf01701 | 969 | |
fca177d4 | 970 | if (tty->TS_del_multi_chars) |
08a24c47 | 971 | { |
fca177d4 | 972 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 973 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 974 | xfree (buf); |
08a24c47 JB |
975 | } |
976 | else | |
977 | for (i = 0; i < n; i++) | |
fca177d4 KL |
978 | OUTPUT1 (tty, tty->TS_del_char); |
979 | if (!tty->delete_in_insert_mode) | |
980 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
981 | } |
982 | \f | |
983 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
984 | ||
dfcf069d | 985 | void |
385ed61f KL |
986 | ins_del_lines (f, vpos, n) |
987 | struct frame *f; | |
08a24c47 JB |
988 | int vpos, n; |
989 | { | |
428a555e | 990 | if (FRAME_DISPLAY (f)->ins_del_lines_hook) |
385ed61f | 991 | (*FRAME_DISPLAY (f)->ins_del_lines_hook) (f, vpos, n); |
3224dac1 KL |
992 | } |
993 | ||
da8e1115 KL |
994 | /* An implementation of ins_del_lines for termcap frames. */ |
995 | ||
3224dac1 | 996 | void |
385ed61f | 997 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
3224dac1 | 998 | { |
3224dac1 KL |
999 | struct tty_display_info *tty = FRAME_TTY (f); |
1000 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1001 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1002 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
1003 | ||
1004 | register int i = n > 0 ? n : -n; | |
1005 | register char *buf; | |
1006 | ||
1007 | /* If the lines below the insertion are being pushed | |
1008 | into the end of the window, this is the same as clearing; | |
1009 | and we know the lines are already clear, since the matching | |
1010 | deletion has already been done. So can ignore this. */ | |
1011 | /* If the lines below the deletion are blank lines coming | |
1012 | out of the end of the window, don't bother, | |
1013 | as there will be a matching inslines later that will flush them. */ | |
1014 | if (FRAME_SCROLL_REGION_OK (f) | |
1015 | && vpos + i >= tty->specified_window) | |
1016 | return; | |
1017 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
1018 | && vpos + i >= FRAME_LINES (f)) | |
1019 | return; | |
1020 | ||
1021 | if (multi) | |
08a24c47 | 1022 | { |
3224dac1 KL |
1023 | raw_cursor_to (vpos, 0); |
1024 | background_highlight (tty); | |
1025 | buf = tparam (multi, 0, 0, i); | |
1026 | OUTPUT (tty, buf); | |
1027 | xfree (buf); | |
1028 | } | |
1029 | else if (single) | |
1030 | { | |
1031 | raw_cursor_to (vpos, 0); | |
1032 | background_highlight (tty); | |
1033 | while (--i >= 0) | |
1034 | OUTPUT (tty, single); | |
1035 | if (tty->TF_teleray) | |
1036 | curX (tty) = 0; | |
08a24c47 | 1037 | } |
08a24c47 JB |
1038 | else |
1039 | { | |
385ed61f | 1040 | set_scroll_region (f, vpos, tty->specified_window); |
3224dac1 KL |
1041 | if (n < 0) |
1042 | raw_cursor_to (tty->specified_window - 1, 0); | |
08a24c47 | 1043 | else |
3224dac1 KL |
1044 | raw_cursor_to (vpos, 0); |
1045 | background_highlight (tty); | |
1046 | while (--i >= 0) | |
1047 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
385ed61f | 1048 | set_scroll_region (f, 0, tty->specified_window); |
3224dac1 KL |
1049 | } |
1050 | ||
1051 | if (!FRAME_SCROLL_REGION_OK (f) | |
1052 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1053 | && n < 0) | |
1054 | { | |
385ed61f KL |
1055 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1056 | clear_to_end (f); | |
08a24c47 JB |
1057 | } |
1058 | } | |
1059 | \f | |
1060 | /* Compute cost of sending "str", in characters, | |
1061 | not counting any line-dependent padding. */ | |
1062 | ||
1063 | int | |
1064 | string_cost (str) | |
1065 | char *str; | |
1066 | { | |
1067 | cost = 0; | |
1068 | if (str) | |
1069 | tputs (str, 0, evalcost); | |
1070 | return cost; | |
1071 | } | |
1072 | ||
1073 | /* Compute cost of sending "str", in characters, | |
1074 | counting any line-dependent padding at one line. */ | |
1075 | ||
1076 | static int | |
1077 | string_cost_one_line (str) | |
1078 | char *str; | |
1079 | { | |
1080 | cost = 0; | |
1081 | if (str) | |
1082 | tputs (str, 1, evalcost); | |
1083 | return cost; | |
1084 | } | |
1085 | ||
1086 | /* Compute per line amount of line-dependent padding, | |
1087 | in tenths of characters. */ | |
1088 | ||
1089 | int | |
1090 | per_line_cost (str) | |
1091 | register char *str; | |
1092 | { | |
1093 | cost = 0; | |
1094 | if (str) | |
1095 | tputs (str, 0, evalcost); | |
1096 | cost = - cost; | |
1097 | if (str) | |
1098 | tputs (str, 10, evalcost); | |
1099 | return cost; | |
1100 | } | |
1101 | ||
1102 | #ifndef old | |
1103 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1104 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1105 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1106 | |
1107 | int *char_ins_del_vector; | |
1108 | ||
9882535b | 1109 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1110 | #endif |
1111 | ||
1112 | /* ARGSUSED */ | |
1113 | static void | |
fca177d4 KL |
1114 | calculate_ins_del_char_costs (f) |
1115 | FRAME_PTR f; | |
08a24c47 | 1116 | { |
28d7d09f | 1117 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1118 | int ins_startup_cost, del_startup_cost; |
1119 | int ins_cost_per_char, del_cost_per_char; | |
1120 | register int i; | |
1121 | register int *p; | |
1122 | ||
fca177d4 | 1123 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1124 | { |
1125 | ins_cost_per_char = 0; | |
fca177d4 | 1126 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1127 | } |
fca177d4 KL |
1128 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1129 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1130 | { |
fca177d4 KL |
1131 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1132 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1133 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1134 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1135 | } |
1136 | else | |
1137 | { | |
1138 | ins_startup_cost = 9999; | |
1139 | ins_cost_per_char = 0; | |
1140 | } | |
1141 | ||
fca177d4 | 1142 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1143 | { |
1144 | del_cost_per_char = 0; | |
fca177d4 | 1145 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1146 | } |
fca177d4 | 1147 | else if (tty->TS_del_char) |
08a24c47 | 1148 | { |
fca177d4 KL |
1149 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1150 | + string_cost (tty->TS_end_delete_mode)); | |
1151 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1152 | del_startup_cost /= 2; |
fca177d4 | 1153 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1154 | } |
1155 | else | |
1156 | { | |
1157 | del_startup_cost = 9999; | |
1158 | del_cost_per_char = 0; | |
1159 | } | |
1160 | ||
1161 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1162 | p = &char_ins_del_cost (f)[0]; |
1163 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1164 | *--p = (del_startup_cost += del_cost_per_char); |
1165 | ||
1166 | /* Doing nothing is free */ | |
fca177d4 | 1167 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1168 | *p++ = 0; |
1169 | ||
1170 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1171 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1172 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1173 | } | |
1174 | ||
dfcf069d | 1175 | void |
ff11dfa1 JB |
1176 | calculate_costs (frame) |
1177 | FRAME_PTR frame; | |
08a24c47 | 1178 | { |
9f732a77 | 1179 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1180 | |
28d440ab | 1181 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1182 | { |
1183 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1184 | register char *f = (tty->TS_set_scroll_region | |
1185 | ? tty->TS_set_scroll_region | |
1186 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1187 | |
daf01701 | 1188 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1189 | |
daf01701 | 1190 | tty->costs_set = 1; |
08a24c47 | 1191 | |
daf01701 KL |
1192 | /* These variables are only used for terminal stuff. They are |
1193 | allocated once for the terminal frame of X-windows emacs, but not | |
1194 | used afterwards. | |
8dd0c7cb | 1195 | |
daf01701 KL |
1196 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1197 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1198 | |
daf01701 KL |
1199 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1200 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1201 | |
daf01701 KL |
1202 | if (char_ins_del_vector != 0) |
1203 | char_ins_del_vector | |
1204 | = (int *) xrealloc (char_ins_del_vector, | |
1205 | (sizeof (int) | |
1206 | + 2 * max_frame_cols * sizeof (int))); | |
1207 | else | |
1208 | char_ins_del_vector | |
1209 | = (int *) xmalloc (sizeof (int) | |
1210 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1211 | |
daf01701 KL |
1212 | bzero (char_ins_del_vector, (sizeof (int) |
1213 | + 2 * max_frame_cols * sizeof (int))); | |
1214 | ||
1215 | ||
1216 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1217 | do_line_insertion_deletion_costs (frame, | |
1218 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1219 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1220 | f, f, 1); | |
1221 | else | |
1222 | do_line_insertion_deletion_costs (frame, | |
1223 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1224 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1225 | 0, 0, 1); | |
1226 | ||
1227 | calculate_ins_del_char_costs (frame); | |
1228 | ||
1229 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1230 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1231 | tty->RPov = string_cost (tty->TS_repeat); | |
1232 | else | |
1233 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1234 | |
daf01701 KL |
1235 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1236 | } | |
08a24c47 JB |
1237 | } |
1238 | \f | |
a796ac82 JB |
1239 | struct fkey_table { |
1240 | char *cap, *name; | |
1241 | }; | |
1242 | ||
01d8deb0 ER |
1243 | /* Termcap capability names that correspond directly to X keysyms. |
1244 | Some of these (marked "terminfo") aren't supplied by old-style | |
1245 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1246 | except we put the keypad keys first, so that if they clash with | |
1247 | other keys (as on the IBM PC keyboard) they get overridden. | |
1248 | */ | |
1249 | ||
a168702a GM |
1250 | static struct fkey_table keys[] = |
1251 | { | |
8103ad1a PJ |
1252 | {"kh", "home"}, /* termcap */ |
1253 | {"kl", "left"}, /* termcap */ | |
1254 | {"ku", "up"}, /* termcap */ | |
1255 | {"kr", "right"}, /* termcap */ | |
1256 | {"kd", "down"}, /* termcap */ | |
1257 | {"%8", "prior"}, /* terminfo */ | |
1258 | {"%5", "next"}, /* terminfo */ | |
1259 | {"@7", "end"}, /* terminfo */ | |
1260 | {"@1", "begin"}, /* terminfo */ | |
1261 | {"*6", "select"}, /* terminfo */ | |
1262 | {"%9", "print"}, /* terminfo */ | |
1263 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1264 | /* |
1265 | * "insert" --- see below | |
1266 | */ | |
8103ad1a PJ |
1267 | {"&8", "undo"}, /* terminfo */ |
1268 | {"%0", "redo"}, /* terminfo */ | |
1269 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1270 | {"@0", "find"}, /* terminfo */ | |
1271 | {"@2", "cancel"}, /* terminfo */ | |
1272 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1273 | /* |
1274 | * "break" goes here, but can't be reliably intercepted with termcap | |
1275 | */ | |
8103ad1a | 1276 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1277 | /* |
1278 | * "system" and "user" --- no termcaps | |
1279 | */ | |
8103ad1a PJ |
1280 | {"kE", "clearline"}, /* terminfo */ |
1281 | {"kA", "insertline"}, /* terminfo */ | |
1282 | {"kL", "deleteline"}, /* terminfo */ | |
1283 | {"kI", "insertchar"}, /* terminfo */ | |
1284 | {"kD", "deletechar"}, /* terminfo */ | |
1285 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1286 | /* |
1287 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1288 | */ | |
8103ad1a | 1289 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1290 | /* |
1291 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1292 | * "kp-multiply", "kp-add", "kp-separator", | |
1293 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1294 | * --- no termcaps for any of these. | |
1295 | */ | |
8103ad1a | 1296 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1297 | /* |
1298 | * "kp-2" --- no termcap | |
1299 | */ | |
8103ad1a | 1300 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1301 | /* |
1302 | * "kp-4" --- no termcap | |
1303 | */ | |
8103ad1a | 1304 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1305 | /* |
1306 | * "kp-6" --- no termcap | |
1307 | */ | |
8103ad1a | 1308 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1309 | /* |
1310 | * "kp-8" --- no termcap | |
1311 | */ | |
8103ad1a | 1312 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1313 | /* |
1314 | * "kp-equal" --- no termcap | |
1315 | */ | |
8103ad1a PJ |
1316 | {"k1", "f1"}, |
1317 | {"k2", "f2"}, | |
1318 | {"k3", "f3"}, | |
1319 | {"k4", "f4"}, | |
1320 | {"k5", "f5"}, | |
1321 | {"k6", "f6"}, | |
1322 | {"k7", "f7"}, | |
1323 | {"k8", "f8"}, | |
1324 | {"k9", "f9"} | |
a796ac82 JB |
1325 | }; |
1326 | ||
f2a00342 RM |
1327 | static char **term_get_fkeys_arg; |
1328 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1329 | |
01d8deb0 | 1330 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1331 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1332 | adds entries to Vfunction_key_map for each function key it finds. */ |
1333 | ||
5c2c7893 JB |
1334 | void |
1335 | term_get_fkeys (address) | |
1336 | char **address; | |
f2a00342 RM |
1337 | { |
1338 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1339 | errors during the call. The only errors should be from Fdefine_key | |
1340 | when given a key sequence containing an invalid prefix key. If the | |
1341 | termcap defines function keys which use a prefix that is already bound | |
1342 | to a command by the default bindings, we should silently ignore that | |
1343 | function key specification, rather than giving the user an error and | |
1344 | refusing to run at all on such a terminal. */ | |
1345 | ||
1346 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1347 | term_get_fkeys_arg = address; |
1348 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1349 | } | |
1350 | ||
1351 | static Lisp_Object | |
1352 | term_get_fkeys_1 () | |
5c2c7893 | 1353 | { |
5c2c7893 JB |
1354 | int i; |
1355 | ||
37085233 | 1356 | char **address = term_get_fkeys_arg; |
f778aff2 | 1357 | |
3e65092f RS |
1358 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1359 | if (!initialized) | |
1360 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1361 | ||
5c2c7893 JB |
1362 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1363 | { | |
1364 | char *sequence = tgetstr (keys[i].cap, address); | |
1365 | if (sequence) | |
f2a00342 RM |
1366 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1367 | Fmake_vector (make_number (1), | |
1368 | intern (keys[i].name))); | |
5c2c7893 | 1369 | } |
a796ac82 JB |
1370 | |
1371 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1372 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1373 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1374 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1375 | */ | |
1376 | { | |
1377 | char *k_semi = tgetstr ("k;", address); | |
1378 | char *k0 = tgetstr ("k0", address); | |
1379 | char *k0_name = "f10"; | |
1380 | ||
1381 | if (k_semi) | |
1382 | { | |
95c11956 SM |
1383 | if (k0) |
1384 | /* Define f0 first, so that f10 takes precedence in case the | |
1385 | key sequences happens to be the same. */ | |
1386 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1387 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1388 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1389 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1390 | } |
95c11956 | 1391 | else if (k0) |
f2a00342 RM |
1392 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1393 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1394 | } |
01d8deb0 ER |
1395 | |
1396 | /* Set up cookies for numbered function keys above f10. */ | |
1397 | { | |
1398 | char fcap[3], fkey[4]; | |
1399 | ||
fc4f24da | 1400 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1401 | for (i = 11; i < 64; i++) |
1402 | { | |
1403 | if (i <= 19) | |
1404 | fcap[1] = '1' + i - 11; | |
1405 | else if (i <= 45) | |
b59ab95c | 1406 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1407 | else |
b59ab95c | 1408 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1409 | |
fc4f24da RS |
1410 | { |
1411 | char *sequence = tgetstr (fcap, address); | |
1412 | if (sequence) | |
1413 | { | |
465db27b | 1414 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1415 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1416 | Fmake_vector (make_number (1), | |
1417 | intern (fkey))); | |
fc4f24da RS |
1418 | } |
1419 | } | |
01d8deb0 ER |
1420 | } |
1421 | } | |
1422 | ||
1423 | /* | |
1424 | * Various mappings to try and get a better fit. | |
1425 | */ | |
1426 | { | |
fc4f24da RS |
1427 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1428 | if (!tgetstr (cap1, address)) \ | |
1429 | { \ | |
1430 | char *sequence = tgetstr (cap2, address); \ | |
1431 | if (sequence) \ | |
f2a00342 RM |
1432 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1433 | Fmake_vector (make_number (1), \ | |
1434 | intern (sym))); \ | |
fc4f24da | 1435 | } |
177c0ea7 | 1436 | |
01d8deb0 | 1437 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1438 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1439 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1440 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1441 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1442 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1443 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1444 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1445 | |
1446 | /* IBM has their own non-standard dialect of terminfo. | |
1447 | If the standard name isn't found, try the IBM name. */ | |
1448 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1449 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1450 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1451 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1452 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1453 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1454 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1455 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1456 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1457 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1458 | } |
a168702a GM |
1459 | |
1460 | return Qnil; | |
5c2c7893 JB |
1461 | } |
1462 | ||
1463 | \f | |
a168702a GM |
1464 | /*********************************************************************** |
1465 | Character Display Information | |
1466 | ***********************************************************************/ | |
1467 | ||
1468 | static void append_glyph P_ ((struct it *)); | |
f46c2aff | 1469 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1470 | |
1471 | ||
1472 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1473 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1474 | for which to produce glyphs; IT->face_id contains the character's | |
1475 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1476 | 1. */ | |
177c0ea7 | 1477 | |
a168702a GM |
1478 | static void |
1479 | append_glyph (it) | |
1480 | struct it *it; | |
1481 | { | |
1482 | struct glyph *glyph, *end; | |
1483 | int i; | |
1484 | ||
1485 | xassert (it->glyph_row); | |
1486 | glyph = (it->glyph_row->glyphs[it->area] | |
1487 | + it->glyph_row->used[it->area]); | |
1488 | end = it->glyph_row->glyphs[1 + it->area]; | |
1489 | ||
177c0ea7 JB |
1490 | for (i = 0; |
1491 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1492 | ++i) |
1493 | { | |
1494 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1495 | glyph->pixel_width = 1; |
32de38e4 KH |
1496 | glyph->u.ch = it->c; |
1497 | glyph->face_id = it->face_id; | |
1498 | glyph->padding_p = i > 0; | |
a168702a GM |
1499 | glyph->charpos = CHARPOS (it->position); |
1500 | glyph->object = it->object; | |
177c0ea7 | 1501 | |
a168702a GM |
1502 | ++it->glyph_row->used[it->area]; |
1503 | ++glyph; | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | ||
b50fe468 RS |
1508 | /* Produce glyphs for the display element described by IT. *IT |
1509 | specifies what we want to produce a glyph for (character, image, ...), | |
1510 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1511 | produce_glyphs fills in output fields of *IT with information such as the | |
1512 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1513 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1514 | struct display_iterator in dispextern.h for an overview. |
1515 | ||
1516 | produce_glyphs also stores the result of glyph width, ascent | |
1517 | etc. computations in *IT. | |
1518 | ||
1519 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1520 | actually fill in the glyphs. This is used in the move_* functions | |
1521 | in xdisp.c for text width and height computations. | |
1522 | ||
1523 | Callers usually don't call produce_glyphs directly; | |
1524 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1525 | |
177c0ea7 | 1526 | void |
a168702a GM |
1527 | produce_glyphs (it) |
1528 | struct it *it; | |
1529 | { | |
1530 | /* If a hook is installed, let it do the work. */ | |
1531 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1532 | || it->what == IT_COMPOSITION |
a168702a | 1533 | || it->what == IT_STRETCH); |
177c0ea7 | 1534 | |
f46c2aff KS |
1535 | if (it->what == IT_STRETCH) |
1536 | { | |
1537 | produce_stretch_glyph (it); | |
1538 | goto done; | |
1539 | } | |
1540 | ||
c7cba11d KH |
1541 | /* Nothing but characters are supported on terminal frames. For a |
1542 | composition sequence, it->c is the first character of the | |
1543 | sequence. */ | |
1544 | xassert (it->what == IT_CHARACTER | |
1545 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1546 | |
1547 | if (it->c >= 040 && it->c < 0177) | |
1548 | { | |
1549 | it->pixel_width = it->nglyphs = 1; | |
1550 | if (it->glyph_row) | |
1551 | append_glyph (it); | |
1552 | } | |
1553 | else if (it->c == '\n') | |
1554 | it->pixel_width = it->nglyphs = 0; | |
1555 | else if (it->c == '\t') | |
1556 | { | |
2efdbcdd | 1557 | int absolute_x = (it->current_x |
a168702a | 1558 | + it->continuation_lines_width); |
177c0ea7 JB |
1559 | int next_tab_x |
1560 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1561 | / it->tab_width) |
1562 | * it->tab_width); | |
1563 | int nspaces; | |
1564 | ||
1565 | /* If part of the TAB has been displayed on the previous line | |
1566 | which is continued now, continuation_lines_width will have | |
1567 | been incremented already by the part that fitted on the | |
1568 | continued line. So, we will get the right number of spaces | |
1569 | here. */ | |
1570 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1571 | |
a168702a GM |
1572 | if (it->glyph_row) |
1573 | { | |
1574 | int n = nspaces; | |
177c0ea7 | 1575 | |
a168702a GM |
1576 | it->c = ' '; |
1577 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1578 | |
a168702a GM |
1579 | while (n--) |
1580 | append_glyph (it); | |
177c0ea7 | 1581 | |
a168702a GM |
1582 | it->c = '\t'; |
1583 | } | |
1584 | ||
1585 | it->pixel_width = nspaces; | |
1586 | it->nglyphs = nspaces; | |
1587 | } | |
add44890 EZ |
1588 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1589 | { | |
cf872af5 | 1590 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1591 | must send the code as is to the terminal. Although there's |
1592 | no way to know how many columns it occupies on a screen, it | |
1593 | is a good assumption that a single byte code has 1-column | |
1594 | width. */ | |
1595 | it->pixel_width = it->nglyphs = 1; | |
1596 | if (it->glyph_row) | |
1597 | append_glyph (it); | |
1598 | } | |
a168702a GM |
1599 | else |
1600 | { | |
c7cba11d KH |
1601 | /* A multi-byte character. The display width is fixed for all |
1602 | characters of the set. Some of the glyphs may have to be | |
1603 | ignored because they are already displayed in a continued | |
1604 | line. */ | |
a168702a GM |
1605 | int charset = CHAR_CHARSET (it->c); |
1606 | ||
c7cba11d | 1607 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1608 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1609 | |
a168702a GM |
1610 | if (it->glyph_row) |
1611 | append_glyph (it); | |
1612 | } | |
1613 | ||
f46c2aff | 1614 | done: |
177c0ea7 | 1615 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1616 | the caller. */ |
1617 | if (it->area == TEXT_AREA) | |
1618 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1619 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1620 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1621 | } |
1622 | ||
1623 | ||
f46c2aff KS |
1624 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1625 | of the glyph property displayed. The value must be a list | |
1626 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1627 | being recognized: | |
1628 | ||
1629 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1630 | canonical char width wide. WIDTH may be an integer or floating | |
1631 | point number. | |
1632 | ||
1633 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1634 | to reach HPOS, a value in canonical character units. */ | |
1635 | ||
1636 | static void | |
1637 | produce_stretch_glyph (it) | |
1638 | struct it *it; | |
1639 | { | |
1640 | /* (space :width WIDTH ...) */ | |
1641 | Lisp_Object prop, plist; | |
1642 | int width = 0, align_to = -1; | |
1643 | int zero_width_ok_p = 0; | |
1644 | double tem; | |
1645 | ||
1646 | /* List should start with `space'. */ | |
1647 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1648 | plist = XCDR (it->object); | |
1649 | ||
1650 | /* Compute the width of the stretch. */ | |
1651 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1652 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1653 | { | |
1654 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1655 | zero_width_ok_p = 1; | |
1656 | width = (int)(tem + 0.5); | |
1657 | } | |
1658 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1659 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1660 | { | |
1661 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
1662 | align_to = (align_to < 0 | |
1663 | ? 0 | |
1664 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1665 | else if (align_to < 0) | |
1666 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1667 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1668 | zero_width_ok_p = 1; | |
1669 | } | |
1670 | else | |
1671 | /* Nothing specified -> width defaults to canonical char width. */ | |
1672 | width = FRAME_COLUMN_WIDTH (it->f); | |
1673 | ||
1674 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1675 | width = 1; | |
1676 | ||
1677 | if (width > 0 && it->glyph_row) | |
1678 | { | |
1679 | Lisp_Object o_object = it->object; | |
1680 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1681 | int n = width; | |
1682 | int c = it->c; | |
1683 | ||
1684 | if (!STRINGP (object)) | |
1685 | object = it->w->buffer; | |
1686 | it->object = object; | |
1687 | it->c = ' '; | |
1688 | it->pixel_width = it->len = 1; | |
1689 | while (n--) | |
1690 | append_glyph (it); | |
1691 | it->object = o_object; | |
1692 | it->c = c; | |
1693 | } | |
1694 | it->pixel_width = width; | |
1695 | it->nglyphs = width; | |
1696 | } | |
1697 | ||
1698 | ||
a168702a GM |
1699 | /* Get information about special display element WHAT in an |
1700 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1701 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1702 | non-null glyph_row member. This function ensures that fields like | |
1703 | face_id, c, len of IT are left untouched. */ | |
1704 | ||
1705 | void | |
1706 | produce_special_glyphs (it, what) | |
1707 | struct it *it; | |
1708 | enum display_element_type what; | |
1709 | { | |
1710 | struct it temp_it; | |
177c0ea7 | 1711 | |
a168702a GM |
1712 | temp_it = *it; |
1713 | temp_it.dp = NULL; | |
1714 | temp_it.what = IT_CHARACTER; | |
1715 | temp_it.len = 1; | |
7c752c80 | 1716 | temp_it.object = make_number (0); |
a168702a GM |
1717 | bzero (&temp_it.current, sizeof temp_it.current); |
1718 | ||
1719 | if (what == IT_CONTINUATION) | |
1720 | { | |
1721 | /* Continuation glyph. */ | |
1722 | if (it->dp | |
1723 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1724 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1725 | { | |
1726 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1727 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1728 | } |
1729 | else | |
1730 | temp_it.c = '\\'; | |
177c0ea7 | 1731 | |
a168702a GM |
1732 | produce_glyphs (&temp_it); |
1733 | it->pixel_width = temp_it.pixel_width; | |
1734 | it->nglyphs = temp_it.pixel_width; | |
1735 | } | |
1736 | else if (what == IT_TRUNCATION) | |
1737 | { | |
1738 | /* Truncation glyph. */ | |
1739 | if (it->dp | |
1740 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1741 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1742 | { | |
1743 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1744 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1745 | } |
1746 | else | |
1747 | temp_it.c = '$'; | |
177c0ea7 | 1748 | |
a168702a GM |
1749 | produce_glyphs (&temp_it); |
1750 | it->pixel_width = temp_it.pixel_width; | |
1751 | it->nglyphs = temp_it.pixel_width; | |
1752 | } | |
1753 | else | |
1754 | abort (); | |
1755 | } | |
1756 | ||
1757 | ||
a168702a GM |
1758 | \f |
1759 | /*********************************************************************** | |
1760 | Faces | |
1761 | ***********************************************************************/ | |
1762 | ||
4e6ba4a4 GM |
1763 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1764 | one of the enumerators from enum no_color_bit, or a bit set built | |
1765 | from them. Some display attributes may not be used together with | |
1766 | color; the termcap capability `NC' specifies which ones. */ | |
1767 | ||
fca177d4 KL |
1768 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1769 | (tty->TN_max_colors > 0 \ | |
1770 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1771 | : 1) | |
a168702a GM |
1772 | |
1773 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1774 | ||
1775 | static void | |
1776 | turn_on_face (f, face_id) | |
1777 | struct frame *f; | |
1778 | int face_id; | |
1779 | { | |
1780 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1781 | long fg = face->foreground; |
1782 | long bg = face->background; | |
28d7d09f | 1783 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1784 | |
86a7d192 GM |
1785 | /* Do this first because TS_end_standout_mode may be the same |
1786 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1787 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1788 | { |
fca177d4 | 1789 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1790 | { |
1791 | if (fg >= 0 && bg >= 0) | |
1792 | { | |
1793 | /* If the terminal supports colors, we can set them | |
1794 | below without using reverse video. The face's fg | |
1795 | and bg colors are set as they should appear on | |
1796 | the screen, i.e. they take the inverse-video'ness | |
1797 | of the face already into account. */ | |
1798 | } | |
1799 | else if (inverse_video) | |
1800 | { | |
1801 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1802 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1803 | toggle_highlight (tty); |
86a7d192 GM |
1804 | } |
1805 | else | |
1806 | { | |
1807 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1808 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1809 | toggle_highlight (tty); |
86a7d192 GM |
1810 | } |
1811 | } | |
1812 | else | |
1813 | { | |
1814 | /* If we can't display colors, use reverse video | |
1815 | if the face specifies that. */ | |
37526b42 GM |
1816 | if (inverse_video) |
1817 | { | |
1818 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1819 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
fca177d4 | 1820 | toggle_highlight (tty); |
37526b42 GM |
1821 | } |
1822 | else | |
1823 | { | |
1824 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1825 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
fca177d4 | 1826 | toggle_highlight (tty); |
37526b42 | 1827 | } |
86a7d192 GM |
1828 | } |
1829 | } | |
a168702a GM |
1830 | |
1831 | if (face->tty_bold_p) | |
4e6ba4a4 | 1832 | { |
fca177d4 KL |
1833 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1834 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1835 | } |
a168702a | 1836 | else if (face->tty_dim_p) |
fca177d4 KL |
1837 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1838 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1839 | |
1840 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1841 | if (face->tty_alt_charset_p |
fca177d4 KL |
1842 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1843 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1844 | |
4e6ba4a4 | 1845 | if (face->tty_blinking_p |
fca177d4 KL |
1846 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1847 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1848 | |
fca177d4 KL |
1849 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1850 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1851 | |
fca177d4 | 1852 | if (tty->TN_max_colors > 0) |
a168702a GM |
1853 | { |
1854 | char *p; | |
177c0ea7 | 1855 | |
fca177d4 | 1856 | if (fg >= 0 && tty->TS_set_foreground) |
a168702a | 1857 | { |
fca177d4 | 1858 | p = tparam (tty->TS_set_foreground, NULL, 0, (int) fg); |
6548cf00 | 1859 | OUTPUT (tty, p); |
a168702a GM |
1860 | xfree (p); |
1861 | } | |
1862 | ||
fca177d4 | 1863 | if (bg >= 0 && tty->TS_set_background) |
a168702a | 1864 | { |
fca177d4 | 1865 | p = tparam (tty->TS_set_background, NULL, 0, (int) bg); |
6548cf00 | 1866 | OUTPUT (tty, p); |
a168702a GM |
1867 | xfree (p); |
1868 | } | |
1869 | } | |
1870 | } | |
177c0ea7 | 1871 | |
a168702a GM |
1872 | |
1873 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1874 | ||
1875 | static void | |
1876 | turn_off_face (f, face_id) | |
1877 | struct frame *f; | |
1878 | int face_id; | |
1879 | { | |
1880 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1881 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1882 | |
1883 | xassert (face != NULL); | |
1884 | ||
fca177d4 | 1885 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1886 | { |
1887 | /* Capability "me" will turn off appearance modes double-bright, | |
1888 | half-bright, reverse-video, standout, underline. It may or | |
1889 | may not turn off alt-char-mode. */ | |
1890 | if (face->tty_bold_p | |
1891 | || face->tty_dim_p | |
1892 | || face->tty_reverse_p | |
1893 | || face->tty_alt_charset_p | |
1894 | || face->tty_blinking_p | |
1895 | || face->tty_underline_p) | |
65aa5e85 | 1896 | { |
fca177d4 KL |
1897 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1898 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1899 | tty->standout_mode = 0; | |
65aa5e85 | 1900 | } |
a168702a GM |
1901 | |
1902 | if (face->tty_alt_charset_p) | |
fca177d4 | 1903 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1904 | } |
1905 | else | |
1906 | { | |
1907 | /* If we don't have "me" we can only have those appearances | |
1908 | that have exit sequences defined. */ | |
1909 | if (face->tty_alt_charset_p) | |
fca177d4 | 1910 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1911 | |
54800acb | 1912 | if (face->tty_underline_p) |
fca177d4 | 1913 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1914 | } |
1915 | ||
1916 | /* Switch back to default colors. */ | |
fca177d4 | 1917 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1918 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1919 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1920 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1921 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1922 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1923 | } |
177c0ea7 JB |
1924 | |
1925 | ||
b63a55ac MB |
1926 | /* Return non-zero if the terminal on frame F supports all of the |
1927 | capabilities in CAPS simultaneously, with foreground and background | |
1928 | colors FG and BG. */ | |
1929 | ||
4a8130f2 | 1930 | int |
fca177d4 | 1931 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1932 | struct tty_display_info *tty; |
b63a55ac MB |
1933 | unsigned caps; |
1934 | unsigned long fg, bg; | |
1935 | { | |
fca177d4 KL |
1936 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1937 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1938 | return 0; |
1939 | ||
fca177d4 KL |
1940 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1941 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1942 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1943 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1944 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1945 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1946 | |
1947 | /* We can do it! */ | |
1948 | return 1; | |
1949 | } | |
1950 | ||
24268213 KL |
1951 | /* Return the tty display object specified by DISPLAY. DISPLAY may be |
1952 | a frame, a string, or nil for the display device of the current | |
1953 | frame. */ | |
3224dac1 KL |
1954 | |
1955 | static struct display * | |
1956 | get_tty_display (Lisp_Object display) | |
1957 | { | |
1958 | struct display *d; | |
1959 | ||
24268213 KL |
1960 | if (NILP (display)) |
1961 | display = selected_frame; | |
1962 | ||
3224dac1 KL |
1963 | if (! FRAMEP (display) && ! STRINGP (display)) |
1964 | return 0; | |
1965 | ||
1966 | /* The initial frame does not support colors. */ | |
1967 | if (FRAMEP (display) && FRAME_INITIAL_P (XFRAME (display))) | |
1968 | return 0; | |
1969 | ||
1970 | if (FRAMEP (display)) | |
1971 | { | |
1972 | if (! FRAME_TERMCAP_P (XFRAME (display))) | |
1973 | #if 0 /* XXX We need a predicate as the first argument; find one. */ | |
1974 | wrong_type_argument ("Not a termcap frame", display); | |
1975 | #else /* Until we fix the wrong_type_argument call above, simply throw | |
1976 | a dumb error. */ | |
1977 | error ("DISPLAY is not a termcap frame"); | |
1978 | #endif | |
1979 | ||
1980 | d = FRAME_DISPLAY (XFRAME (display)); | |
1981 | } | |
1982 | else if (STRINGP (display)) | |
1983 | { | |
1984 | char *name = (char *) alloca (SBYTES (display) + 1); | |
1985 | strncpy (name, SDATA (display), SBYTES (display)); | |
1986 | name[SBYTES (display)] = 0; | |
1987 | ||
1988 | d = get_named_tty_display (name); | |
1989 | ||
1990 | if (!d) | |
1991 | error ("There is no tty display on %s", name); | |
1992 | } | |
1993 | ||
1994 | return d; | |
1995 | } | |
1996 | ||
b63a55ac | 1997 | |
a168702a GM |
1998 | /* Return non-zero if the terminal is capable to display colors. */ |
1999 | ||
2000 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2001 | 0, 1, 0, |
99fdd6bc EZ |
2002 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
2003 | (display) | |
2004 | Lisp_Object display; | |
a168702a | 2005 | { |
3224dac1 KL |
2006 | struct display *d = get_tty_display (display); |
2007 | if (!d) | |
428a555e | 2008 | return Qnil; |
3224dac1 KL |
2009 | else |
2010 | return d->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; | |
a168702a GM |
2011 | } |
2012 | ||
bfa62f96 EZ |
2013 | /* Return the number of supported colors. */ |
2014 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2015 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
2016 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
2017 | (display) | |
2018 | Lisp_Object display; | |
bfa62f96 | 2019 | { |
3224dac1 KL |
2020 | struct display *d = get_tty_display (display); |
2021 | if (!d) | |
428a555e | 2022 | return Qnil; |
3224dac1 KL |
2023 | else |
2024 | return make_number (d->display_info.tty->TN_max_colors); | |
bfa62f96 EZ |
2025 | } |
2026 | ||
ace28297 | 2027 | #ifndef WINDOWSNT |
a168702a | 2028 | |
ace28297 EZ |
2029 | /* Save or restore the default color-related capabilities of this |
2030 | terminal. */ | |
2031 | static void | |
28d7d09f | 2032 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
2033 | { |
2034 | static char | |
2035 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
2036 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
2037 | ||
2038 | if (save) | |
2039 | { | |
2040 | if (default_orig_pair) | |
2041 | xfree (default_orig_pair); | |
fca177d4 | 2042 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
2043 | |
2044 | if (default_set_foreground) | |
2045 | xfree (default_set_foreground); | |
fca177d4 | 2046 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2047 | : NULL; |
2048 | ||
2049 | if (default_set_background) | |
2050 | xfree (default_set_background); | |
fca177d4 | 2051 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2052 | : NULL; |
2053 | ||
fca177d4 KL |
2054 | default_max_colors = tty->TN_max_colors; |
2055 | default_max_pairs = tty->TN_max_pairs; | |
2056 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2057 | } |
2058 | else | |
2059 | { | |
fca177d4 KL |
2060 | tty->TS_orig_pair = default_orig_pair; |
2061 | tty->TS_set_foreground = default_set_foreground; | |
2062 | tty->TS_set_background = default_set_background; | |
2063 | tty->TN_max_colors = default_max_colors; | |
2064 | tty->TN_max_pairs = default_max_pairs; | |
2065 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2066 | } |
2067 | } | |
2068 | ||
2069 | /* Setup one of the standard tty color schemes according to MODE. | |
2070 | MODE's value is generally the number of colors which we want to | |
2071 | support; zero means set up for the default capabilities, the ones | |
2072 | we saw at term_init time; -1 means turn off color support. */ | |
2073 | void | |
28d7d09f | 2074 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2075 | { |
40409f05 EZ |
2076 | /* Canonicalize all negative values of MODE. */ |
2077 | if (mode < -1) | |
2078 | mode = -1; | |
2079 | ||
ace28297 EZ |
2080 | switch (mode) |
2081 | { | |
2082 | case -1: /* no colors at all */ | |
fca177d4 KL |
2083 | tty->TN_max_colors = 0; |
2084 | tty->TN_max_pairs = 0; | |
2085 | tty->TN_no_color_video = 0; | |
2086 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2087 | break; |
2088 | case 0: /* default colors, if any */ | |
2089 | default: | |
fca177d4 | 2090 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2091 | break; |
2092 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2093 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2094 | #ifdef TERMINFO |
fca177d4 KL |
2095 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2096 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2097 | #else |
fca177d4 KL |
2098 | tty->TS_set_foreground = "\033[3%dm"; |
2099 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2100 | #endif |
fca177d4 KL |
2101 | tty->TN_max_colors = 8; |
2102 | tty->TN_max_pairs = 64; | |
2103 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2104 | break; |
2105 | } | |
2106 | } | |
2107 | ||
2108 | void | |
2109 | set_tty_color_mode (f, val) | |
2110 | struct frame *f; | |
2111 | Lisp_Object val; | |
2112 | { | |
dfc7a077 | 2113 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2114 | Lisp_Object color_mode, current_mode; |
2115 | int mode, old_mode; | |
2116 | extern Lisp_Object Qtty_color_mode; | |
2117 | Lisp_Object tty_color_mode_alist; | |
2118 | ||
2119 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2120 | Qnil); | |
2121 | ||
9ac61a89 | 2122 | if (INTEGERP (val)) |
ace28297 EZ |
2123 | color_mode = val; |
2124 | else | |
2125 | { | |
2126 | if (NILP (tty_color_mode_alist)) | |
2127 | color_mode_spec = Qnil; | |
2128 | else | |
2129 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2130 | |
2131 | if (CONSP (color_mode_spec)) | |
2132 | color_mode = XCDR (color_mode_spec); | |
2133 | else | |
2134 | color_mode = Qnil; | |
2135 | } | |
545d91d5 RS |
2136 | |
2137 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2138 | ||
ace28297 EZ |
2139 | if (CONSP (current_mode_spec)) |
2140 | current_mode = XCDR (current_mode_spec); | |
2141 | else | |
2142 | current_mode = Qnil; | |
9ac61a89 | 2143 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2144 | mode = XINT (color_mode); |
2145 | else | |
2146 | mode = 0; /* meaning default */ | |
9ac61a89 | 2147 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2148 | old_mode = XINT (current_mode); |
2149 | else | |
2150 | old_mode = 0; | |
2151 | ||
2152 | if (mode != old_mode) | |
2153 | { | |
fca177d4 | 2154 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2155 | /* This recomputes all the faces given the new color |
2156 | definitions. */ | |
2157 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2158 | redraw_frame (f); | |
2159 | } | |
2160 | } | |
2161 | ||
2162 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2163 | |
2164 | \f | |
28d440ab | 2165 | |
da8e1115 KL |
2166 | /* Return the termcap display with the given name. If NAME is null, |
2167 | return the display corresponding to our controlling terminal. | |
2168 | ||
2169 | Returns NULL if the named terminal device is not opened. */ | |
2170 | ||
3224dac1 | 2171 | struct display * |
428a555e | 2172 | get_named_tty_display (name) |
28d440ab KL |
2173 | char *name; |
2174 | { | |
428a555e KL |
2175 | struct display *d; |
2176 | ||
2177 | for (d = display_list; d; d = d->next_display) { | |
2178 | if (d->type == output_termcap | |
2179 | && ((d->display_info.tty->name == 0 && name == 0) | |
2180 | || (name && d->display_info.tty->name | |
2181 | && !strcmp (d->display_info.tty->name, name)))) | |
2182 | return d; | |
28d440ab KL |
2183 | }; |
2184 | ||
2185 | return 0; | |
2186 | } | |
2187 | ||
2188 | \f | |
819b8f00 KL |
2189 | |
2190 | DEFUN ("frame-tty-name", Fframe_tty_name, Sframe_tty_name, 0, 1, 0, | |
2191 | doc: /* Return the name of the TTY device that FRAME is displayed on. */) | |
2192 | (frame) | |
2193 | Lisp_Object frame; | |
2194 | { | |
2195 | struct frame *f; | |
2196 | ||
2197 | if (NILP (frame)) | |
2198 | { | |
2199 | f = XFRAME (selected_frame); | |
2200 | } | |
2201 | else | |
2202 | { | |
2203 | CHECK_LIVE_FRAME (frame); | |
2204 | f = XFRAME (frame); | |
2205 | } | |
2206 | ||
2207 | if (f->output_method != output_termcap) | |
2208 | wrong_type_argument (Qframe_tty_name, frame); | |
2209 | ||
28d7d09f KL |
2210 | if (FRAME_TTY (f)->name) |
2211 | return build_string (FRAME_TTY (f)->name); | |
819b8f00 KL |
2212 | else |
2213 | return Qnil; | |
2214 | } | |
2215 | ||
2216 | DEFUN ("frame-tty-type", Fframe_tty_type, Sframe_tty_type, 0, 1, 0, | |
2217 | doc: /* Return the type of the TTY device that FRAME is displayed on. */) | |
2218 | (frame) | |
2219 | Lisp_Object frame; | |
2220 | { | |
2221 | struct frame *f; | |
daf01701 | 2222 | |
819b8f00 KL |
2223 | if (NILP (frame)) |
2224 | { | |
2225 | f = XFRAME (selected_frame); | |
2226 | } | |
2227 | else | |
2228 | { | |
2229 | CHECK_LIVE_FRAME (frame); | |
2230 | f = XFRAME (frame); | |
2231 | } | |
2232 | ||
2233 | if (f->output_method != output_termcap) | |
2234 | wrong_type_argument (Qframe_tty_type, frame); | |
2235 | ||
28d7d09f KL |
2236 | if (FRAME_TTY (f)->type) |
2237 | return build_string (FRAME_TTY (f)->type); | |
819b8f00 KL |
2238 | else |
2239 | return Qnil; | |
2240 | } | |
2241 | ||
2242 | \f | |
a168702a GM |
2243 | /*********************************************************************** |
2244 | Initialization | |
2245 | ***********************************************************************/ | |
2246 | ||
3224dac1 | 2247 | /* Create the bootstrap display device for the initial frame. |
da8e1115 | 2248 | Returns a display of type output_initial. */ |
3224dac1 | 2249 | |
428a555e | 2250 | struct display * |
3224dac1 | 2251 | init_initial_display (void) |
28d440ab | 2252 | { |
428a555e KL |
2253 | if (initialized || display_list || tty_list) |
2254 | abort (); | |
2255 | ||
3224dac1 KL |
2256 | initial_display = create_display (); |
2257 | initial_display->type = output_initial; | |
428a555e | 2258 | |
3224dac1 KL |
2259 | initial_display->delete_display_hook = &delete_initial_display; |
2260 | /* All other hooks are NULL. */ | |
428a555e | 2261 | |
3224dac1 KL |
2262 | return initial_display; |
2263 | } | |
2264 | ||
2265 | /* Deletes the bootstrap display device. | |
2266 | Called through delete_display_hook. */ | |
da8e1115 | 2267 | |
3224dac1 KL |
2268 | void |
2269 | delete_initial_display (struct display *display) | |
2270 | { | |
2271 | if (display != initial_display) | |
2272 | abort (); | |
2273 | ||
2274 | delete_display (display); | |
2275 | initial_display = NULL; | |
28d440ab KL |
2276 | } |
2277 | ||
03a1d6bd KL |
2278 | /* Drop the controlling terminal if fd is the same device. */ |
2279 | void | |
2280 | dissociate_if_controlling_tty (int fd) | |
2281 | { | |
2282 | #if defined (USG) && !defined (BSD_PGRPS) | |
2283 | int pgid; | |
2284 | EMACS_GET_TTY_PGRP (fd, &pgid); | |
2285 | if (pgid != -1) | |
2286 | { | |
2287 | setpgrp (); | |
2288 | no_controlling_tty = 1; | |
2289 | } | |
2290 | #else | |
2291 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
2292 | sigblock (sigmask (SIGTTOU)); | |
2293 | if (ioctl (fd, TIOCNOTTY, 0) != -1) | |
2294 | { | |
2295 | no_controlling_tty = 1; | |
2296 | } | |
2297 | sigunblock (sigmask (SIGTTOU)); | |
2298 | #else | |
2299 | /* Unknown system. */ | |
2300 | croak (); | |
2301 | #endif /* ! TIOCNOTTY */ | |
2302 | #endif /* ! USG */ | |
2303 | } | |
2304 | ||
3224dac1 KL |
2305 | /* Create a termcap display on the tty device with the given name and |
2306 | type. | |
2307 | ||
2308 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2309 | Otherwise NAME should be a path to the tty device file, | |
2310 | e.g. "/dev/pts/7". | |
28d440ab | 2311 | |
3224dac1 KL |
2312 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2313 | ||
2314 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2315 | |
428a555e | 2316 | struct display * |
3224dac1 | 2317 | term_init (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2318 | { |
2319 | char *area; | |
2320 | char **address = &area; | |
3a06a6d9 | 2321 | char *buffer = NULL; |
5846981b | 2322 | int buffer_size = 4096; |
08a24c47 JB |
2323 | register char *p; |
2324 | int status; | |
28d7d09f | 2325 | struct tty_display_info *tty; |
428a555e | 2326 | struct display *display; |
28d440ab | 2327 | |
3224dac1 KL |
2328 | static void maybe_fatal(); |
2329 | ||
2330 | if (!terminal_type) | |
2331 | maybe_fatal (must_succeed, 0, 0, | |
2332 | "Unknown terminal type", | |
2333 | "Unknown terminal type"); | |
2334 | ||
428a555e KL |
2335 | display = get_named_tty_display (name); |
2336 | if (display) | |
0b0d3e0b | 2337 | { |
2666355c KL |
2338 | /* XXX We would be able to support multiple emacsclients from |
2339 | the same terminal if display devices were Lisp objects. | |
2340 | (Lisp code must know the difference between two separate | |
2341 | displays on the same terminal device.) -- lorentey */ | |
0b0d3e0b KL |
2342 | if (! display->display_info.tty->input) |
2343 | error ("%s already has a suspended frame on it, can't open it twice", name); | |
2344 | return display; | |
2345 | } | |
428a555e | 2346 | |
3224dac1 KL |
2347 | display = create_display (); |
2348 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); | |
2349 | bzero (tty, sizeof (struct tty_display_info)); | |
2350 | tty->next = tty_list; | |
2351 | tty_list = tty; | |
428a555e | 2352 | |
3224dac1 KL |
2353 | display->type = output_termcap; |
2354 | display->display_info.tty = tty; | |
2355 | tty->display = display; | |
28d440ab | 2356 | |
7b00d185 KL |
2357 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2358 | Wcm_clear (tty); | |
daf01701 | 2359 | |
428a555e | 2360 | display->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 KL |
2361 | |
2362 | display->cursor_to_hook = &tty_cursor_to; | |
2363 | display->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2364 | ||
2365 | display->clear_to_end_hook = &tty_clear_to_end; | |
2366 | display->clear_frame_hook = &tty_clear_frame; | |
2367 | display->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2368 | ||
2369 | display->ins_del_lines_hook = &tty_ins_del_lines; | |
2370 | ||
2371 | display->insert_glyphs_hook = &tty_insert_glyphs; | |
2372 | display->write_glyphs_hook = &tty_write_glyphs; | |
2373 | display->delete_glyphs_hook = &tty_delete_glyphs; | |
2374 | ||
2375 | display->ring_bell_hook = &tty_ring_bell; | |
2376 | ||
2377 | display->reset_terminal_modes_hook = &tty_reset_terminal_modes; | |
2378 | display->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2379 | display->update_begin_hook = 0; /* Not needed. */ | |
2380 | display->update_end_hook = &tty_update_end; | |
2381 | display->set_terminal_window_hook = &tty_set_terminal_window; | |
2382 | ||
2383 | display->mouse_position_hook = 0; /* Not needed. */ | |
2384 | display->frame_rehighlight_hook = 0; /* Not needed. */ | |
2385 | display->frame_raise_lower_hook = 0; /* Not needed. */ | |
2386 | ||
2387 | display->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2388 | display->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2389 | display->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2390 | display->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2391 | ||
8f1ce423 | 2392 | display->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ |
3224dac1 KL |
2393 | display->frame_up_to_date_hook = 0; /* Not needed. */ |
2394 | ||
428a555e KL |
2395 | display->delete_frame_hook = &delete_tty_output; |
2396 | display->delete_display_hook = &delete_tty; | |
2397 | ||
28d440ab KL |
2398 | if (name) |
2399 | { | |
2400 | int fd; | |
0a125897 | 2401 | FILE *file; |
0c72d684 KL |
2402 | |
2403 | #ifdef O_IGNORE_CTTY | |
2404 | /* Open the terminal device. Don't recognize it as our | |
2405 | controlling terminal, and don't make it the controlling tty | |
2406 | if we don't have one at the moment. */ | |
2407 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
2408 | #else | |
2666355c KL |
2409 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
2410 | defined on Hurd. On other systems, we need to dissociate | |
2411 | ourselves from the controlling tty when we want to open a | |
03a1d6bd | 2412 | frame on the same terminal. */ |
0c72d684 KL |
2413 | |
2414 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); | |
03a1d6bd | 2415 | |
0c72d684 KL |
2416 | #endif /* O_IGNORE_CTTY */ |
2417 | ||
28d440ab KL |
2418 | if (fd < 0) |
2419 | { | |
428a555e | 2420 | delete_tty (display); |
fca177d4 | 2421 | error ("Could not open file: %s", name); |
28d440ab | 2422 | } |
0c72d684 KL |
2423 | if (! isatty (fd)) |
2424 | { | |
2425 | close (fd); | |
2426 | error ("Not a tty device: %s", name); | |
2427 | } | |
2428 | ||
03a1d6bd KL |
2429 | dissociate_if_controlling_tty (fd); |
2430 | ||
0a125897 | 2431 | file = fdopen (fd, "w+"); |
28d7d09f KL |
2432 | tty->name = xstrdup (name); |
2433 | tty->input = file; | |
2434 | tty->output = file; | |
28d440ab KL |
2435 | } |
2436 | else | |
2437 | { | |
0c72d684 KL |
2438 | if (no_controlling_tty) |
2439 | { | |
2440 | /* Opening a frame on stdout is unsafe if we have | |
2441 | disconnected our controlling terminal. */ | |
2442 | error ("There is no controlling terminal any more"); | |
2443 | } | |
28d7d09f KL |
2444 | tty->name = 0; |
2445 | tty->input = stdin; | |
2446 | tty->output = stdout; | |
28d440ab KL |
2447 | } |
2448 | ||
28d7d09f | 2449 | tty->type = xstrdup (terminal_type); |
28d440ab | 2450 | |
819b8f00 | 2451 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2452 | |
cb28b9c2 | 2453 | #ifdef WINDOWSNT |
29f27c39 | 2454 | initialize_w32_display (); |
cb28b9c2 | 2455 | |
fca177d4 | 2456 | Wcm_clear (tty); |
cb28b9c2 | 2457 | |
a678d9ff | 2458 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2459 | |
428a555e KL |
2460 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2461 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2462 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2463 | |
428a555e | 2464 | tty->display->delete_in_insert_mode = 1; |
cb28b9c2 | 2465 | |
daf01701 | 2466 | UseTabs (tty) = 0; |
428a555e | 2467 | display->scroll_region_ok = 0; |
cb28b9c2 RS |
2468 | |
2469 | /* Seems to insert lines when it's not supposed to, messing | |
2470 | up the display. In doing a trace, it didn't seem to be | |
2471 | called much, so I don't think we're losing anything by | |
2472 | turning it off. */ | |
428a555e KL |
2473 | display->line_ins_del_ok = 0; |
2474 | display->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2475 | |
2476 | baud_rate = 19200; | |
2477 | ||
428a555e KL |
2478 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2479 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2480 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2481 | |
428a555e | 2482 | return display; |
eccec691 | 2483 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2484 | |
6548cf00 | 2485 | Wcm_clear (tty); |
08a24c47 | 2486 | |
3a06a6d9 | 2487 | buffer = (char *) xmalloc (buffer_size); |
03a1d6bd KL |
2488 | |
2489 | /* On some systems, tgetent tries to access the controlling | |
2490 | terminal. */ | |
2491 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 2492 | status = tgetent (buffer, terminal_type); |
03a1d6bd KL |
2493 | sigunblock (sigmask (SIGTTOU)); |
2494 | ||
08a24c47 | 2495 | if (status < 0) |
b0347178 KH |
2496 | { |
2497 | #ifdef TERMINFO | |
3224dac1 KL |
2498 | maybe_fatal (must_succeed, buffer, display, |
2499 | "Cannot open terminfo database file", | |
2500 | "Cannot open terminfo database file"); | |
b0347178 | 2501 | #else |
3224dac1 KL |
2502 | maybe_fatal (must_succeed, buffer, display, |
2503 | "Cannot open termcap database file", | |
2504 | "Cannot open termcap database file"); | |
b0347178 KH |
2505 | #endif |
2506 | } | |
08a24c47 | 2507 | if (status == 0) |
b0347178 KH |
2508 | { |
2509 | #ifdef TERMINFO | |
3224dac1 KL |
2510 | maybe_fatal (must_succeed, buffer, display, |
2511 | "Terminal type %s is not defined", | |
2512 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2513 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2514 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2515 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2516 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2517 | terminal_type); |
b0347178 | 2518 | #else |
3224dac1 KL |
2519 | maybe_fatal (must_succeed, buffer, display, |
2520 | "Terminal type %s is not defined", | |
2521 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2522 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2523 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2524 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2525 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2526 | terminal_type); |
b0347178 KH |
2527 | #endif |
2528 | } | |
3a06a6d9 | 2529 | |
f730033e | 2530 | #ifndef TERMINFO |
3a06a6d9 | 2531 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2532 | abort (); |
f730033e | 2533 | buffer_size = strlen (buffer); |
3dd3a502 | 2534 | #endif |
f730033e | 2535 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2536 | |
fca177d4 KL |
2537 | tty->TS_ins_line = tgetstr ("al", address); |
2538 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2539 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2540 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2541 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2542 | tty->TS_clr_line = tgetstr ("ce", address); | |
2543 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2544 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2545 | AbsPosition (tty) = tgetstr ("cm", address); | |
2546 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2547 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2548 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2549 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2550 | tty->TS_del_char = tgetstr ("dc", address); |
2551 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2552 | tty->TS_del_line = tgetstr ("dl", address); | |
2553 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2554 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2555 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2556 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2557 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2558 | tty->TS_ins_char = tgetstr ("ic", address); |
2559 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2560 | tty->TS_insert_mode = tgetstr ("im", address); | |
2561 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2562 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2563 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2564 | LastLine (tty) = tgetstr ("ll", address); |
2565 | Right (tty) = tgetstr ("nd", address); | |
2566 | Down (tty) = tgetstr ("do", address); | |
2567 | if (!Down (tty)) | |
2568 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2569 | #ifdef VMS |
2570 | /* VMS puts a carriage return before each linefeed, | |
2571 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2572 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2573 | Down (tty) = 0; | |
08a24c47 JB |
2574 | #endif /* VMS */ |
2575 | if (tgetflag ("bs")) | |
6548cf00 | 2576 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2577 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2578 | Left (tty) = tgetstr ("le", address); |
2579 | if (!Left (tty)) | |
2580 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2581 | tty->TS_pad_char = tgetstr ("pc", address); |
2582 | tty->TS_repeat = tgetstr ("rp", address); | |
2583 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2584 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2585 | tty->TS_standout_mode = tgetstr ("so", address); | |
2586 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2587 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2588 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2589 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2590 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2591 | tty->TS_visible_bell = tgetstr ("vb", address); |
2592 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2593 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2594 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2595 | tty->TS_set_window = tgetstr ("wi", address); | |
2596 | ||
2597 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2598 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2599 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2600 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2601 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2602 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2603 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2604 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2605 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2606 | |
6548cf00 KL |
2607 | MultiUp (tty) = tgetstr ("UP", address); |
2608 | MultiDown (tty) = tgetstr ("DO", address); | |
2609 | MultiLeft (tty) = tgetstr ("LE", address); | |
2610 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2611 | |
e7f90eab GM |
2612 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2613 | color because we can't switch back to the default foreground and | |
2614 | background. */ | |
fca177d4 KL |
2615 | tty->TS_orig_pair = tgetstr ("op", address); |
2616 | if (tty->TS_orig_pair) | |
a168702a | 2617 | { |
fca177d4 KL |
2618 | tty->TS_set_foreground = tgetstr ("AF", address); |
2619 | tty->TS_set_background = tgetstr ("AB", address); | |
2620 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2621 | { |
2622 | /* SVr4. */ | |
fca177d4 KL |
2623 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2624 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2625 | } |
177c0ea7 | 2626 | |
fca177d4 KL |
2627 | tty->TN_max_colors = tgetnum ("Co"); |
2628 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2629 | |
fca177d4 KL |
2630 | tty->TN_no_color_video = tgetnum ("NC"); |
2631 | if (tty->TN_no_color_video == -1) | |
2632 | tty->TN_no_color_video = 0; | |
a168702a | 2633 | } |
a168702a | 2634 | |
fca177d4 | 2635 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2636 | |
6548cf00 | 2637 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2638 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2639 | the former flag imply the latter. */ | |
6548cf00 | 2640 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
428a555e | 2641 | display->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2642 | tty->TF_hazeltine = tgetflag ("hz"); |
428a555e | 2643 | display->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2644 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2645 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2646 | tty->TF_standout_motion = tgetflag ("ms"); | |
2647 | tty->TF_underscore = tgetflag ("ul"); | |
2648 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2649 | |
5c2c7893 JB |
2650 | term_get_fkeys (address); |
2651 | ||
ff11dfa1 | 2652 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2653 | { |
2654 | int height, width; | |
0b0d3e0b | 2655 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
2656 | FrameCols (tty) = width; |
2657 | FrameRows (tty) = height; | |
3b12ce12 RS |
2658 | } |
2659 | ||
0a125897 KL |
2660 | if (FrameCols (tty) <= 0) |
2661 | FrameCols (tty) = tgetnum ("co"); | |
2662 | if (FrameRows (tty) <= 0) | |
2663 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2664 | |
0a125897 | 2665 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
3224dac1 KL |
2666 | maybe_fatal (must_succeed, NULL, display, |
2667 | "Screen size %dx%d is too small" | |
2668 | "Screen size %dx%d is too small", | |
0a125897 | 2669 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2670 | |
8a56675d | 2671 | #if 0 /* This is not used anywhere. */ |
428a555e | 2672 | tty->display->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2673 | #endif |
28d440ab | 2674 | |
6548cf00 | 2675 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2676 | |
2677 | #ifdef VMS | |
2678 | /* These capabilities commonly use ^J. | |
2679 | I don't know why, but sending them on VMS does not work; | |
2680 | it causes following spaces to be lost, sometimes. | |
2681 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2682 | if (Down (tty) && Down (tty)[0] == '\n') |
2683 | Down (tty) = 0; | |
08a24c47 JB |
2684 | #endif /* VMS */ |
2685 | ||
fca177d4 KL |
2686 | if (!tty->TS_bell) |
2687 | tty->TS_bell = "\07"; | |
08a24c47 | 2688 | |
fca177d4 KL |
2689 | if (!tty->TS_fwd_scroll) |
2690 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2691 | |
fca177d4 | 2692 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2693 | |
6548cf00 KL |
2694 | if (TabWidth (tty) < 0) |
2695 | TabWidth (tty) = 8; | |
177c0ea7 | 2696 | |
08a24c47 JB |
2697 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2698 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2699 | if (!tty->Wcm->cm_tab) |
2700 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2701 | */ |
2702 | ||
54800acb MB |
2703 | /* We don't support standout modes that use `magic cookies', so |
2704 | turn off any that do. */ | |
fca177d4 | 2705 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2706 | { |
fca177d4 KL |
2707 | tty->TS_standout_mode = 0; |
2708 | tty->TS_end_standout_mode = 0; | |
54800acb | 2709 | } |
fca177d4 | 2710 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2711 | { |
fca177d4 KL |
2712 | tty->TS_enter_underline_mode = 0; |
2713 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2714 | } |
2715 | ||
2716 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2717 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2718 | { |
fca177d4 KL |
2719 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2720 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2721 | } |
2722 | ||
afd359c4 RS |
2723 | /* If no `se' string, try using a `me' string instead. |
2724 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2725 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2726 | { |
e4bfb3b6 | 2727 | char *s = tgetstr ("me", address); |
afd359c4 | 2728 | if (s != 0) |
fca177d4 | 2729 | tty->TS_end_standout_mode = s; |
afd359c4 | 2730 | else |
fca177d4 | 2731 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2732 | } |
2733 | ||
fca177d4 | 2734 | if (tty->TF_teleray) |
08a24c47 | 2735 | { |
6548cf00 | 2736 | tty->Wcm->cm_tab = 0; |
54800acb | 2737 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2738 | tty->TS_standout_mode = 0; |
08a24c47 | 2739 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2740 | CR (tty) = 0; |
08a24c47 JB |
2741 | /* LF can't be trusted either -- can alter hpos */ |
2742 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2743 | Down (tty) = 0; |
08a24c47 JB |
2744 | } |
2745 | ||
2746 | /* Special handling for certain terminal types known to need it */ | |
2747 | ||
2748 | if (!strcmp (terminal_type, "supdup")) | |
2749 | { | |
428a555e | 2750 | display->memory_below_frame = 1; |
6548cf00 | 2751 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2752 | } |
2753 | if (!strncmp (terminal_type, "c10", 3) | |
2754 | || !strcmp (terminal_type, "perq")) | |
2755 | { | |
2756 | /* Supply a makeshift :wi string. | |
2757 | This string is not valid in general since it works only | |
2758 | for windows starting at the upper left corner; | |
2759 | but that is all Emacs uses. | |
daf01701 | 2760 | |
ff11dfa1 | 2761 | This string works only if the frame is using |
08a24c47 JB |
2762 | the top of the video memory, because addressing is memory-relative. |
2763 | So first check the :ti string to see if that is true. | |
2764 | ||
2765 | It would be simpler if the :wi string could go in the termcap | |
2766 | entry, but it can't because it is not fully valid. | |
2767 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2768 | if (!tty->TS_set_window) |
08a24c47 | 2769 | { |
fca177d4 | 2770 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2771 | while (*p && strcmp (p, "\033v ")) |
2772 | p++; | |
2773 | if (*p) | |
fca177d4 | 2774 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2775 | } |
2776 | /* Termcap entry often fails to have :in: flag */ | |
428a555e | 2777 | display->must_write_spaces = 1; |
08a24c47 JB |
2778 | /* :ti string typically fails to have \E^G! in it */ |
2779 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2780 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2781 | strcat (area, "\033\007!"); |
fca177d4 | 2782 | tty->TS_termcap_modes = area; |
08a24c47 | 2783 | area += strlen (area) + 1; |
6548cf00 | 2784 | p = AbsPosition (tty); |
08a24c47 | 2785 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2786 | values above 96 correctly for the C100. */ |
08a24c47 | 2787 | while (*p) |
28d440ab KL |
2788 | { |
2789 | if (p[0] == '%' && p[1] == '+') | |
2790 | p[1] = 'C'; | |
2791 | p++; | |
2792 | } | |
08a24c47 JB |
2793 | } |
2794 | ||
0a125897 | 2795 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2796 | |
6548cf00 | 2797 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 KL |
2798 | { |
2799 | maybe_fatal (must_succeed, NULL, display, | |
2800 | "Terminal type \"%s\" is not powerful enough to run Emacs", | |
08a24c47 | 2801 | #ifdef VMS |
3224dac1 | 2802 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2803 | It lacks the ability to position the cursor.\n\ |
2804 | If that is not the actual type of terminal you have, use either the\n\ | |
2805 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2806 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2807 | #else /* not VMS */ |
2808 | # ifdef TERMINFO | |
3224dac1 | 2809 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2810 | It lacks the ability to position the cursor.\n\ |
2811 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2812 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2813 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2814 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2815 | # else /* TERMCAP */ |
3224dac1 | 2816 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2817 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2818 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2819 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2820 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2821 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2822 | # endif /* TERMINFO */ |
2823 | #endif /*VMS */ | |
3224dac1 | 2824 | terminal_type); |
fca177d4 | 2825 | } |
daf01701 | 2826 | |
0a125897 | 2827 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
3224dac1 KL |
2828 | maybe_fatal (must_succeed, NULL, display, |
2829 | "Could not determine the frame size", | |
2830 | "Could not determine the frame size"); | |
08a24c47 | 2831 | |
fca177d4 KL |
2832 | tty->delete_in_insert_mode |
2833 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2834 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2835 | |
fca177d4 KL |
2836 | tty->se_is_so = (tty->TS_standout_mode |
2837 | && tty->TS_end_standout_mode | |
2838 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2839 | |
0b0d3e0b | 2840 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 2841 | |
428a555e | 2842 | display->scroll_region_ok |
6548cf00 | 2843 | = (tty->Wcm->cm_abs |
fca177d4 | 2844 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2845 | |
428a555e | 2846 | display->line_ins_del_ok |
fca177d4 KL |
2847 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2848 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
428a555e | 2849 | || (display->scroll_region_ok |
fca177d4 | 2850 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2851 | |
428a555e | 2852 | display->char_ins_del_ok |
fca177d4 KL |
2853 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2854 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2855 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2856 | |
428a555e | 2857 | display->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2858 | |
0b0d3e0b | 2859 | init_baud_rate (fileno (tty->input)); |
20a558dc | 2860 | |
daf01701 KL |
2861 | #ifdef AIXHFT |
2862 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2863 | really ugly at times. */ | |
428a555e KL |
2864 | display->line_ins_del_ok = 0; |
2865 | display->char_ins_del_ok = 0; | |
daf01701 KL |
2866 | #endif |
2867 | ||
7b00d185 KL |
2868 | #ifdef MULTI_KBOARD |
2869 | tty->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
2870 | init_kboard (tty->kboard); | |
2871 | tty->kboard->next_kboard = all_kboards; | |
2872 | all_kboards = tty->kboard; | |
2873 | /* Don't let the initial kboard remain current longer than necessary. | |
2874 | That would cause problems if a file loaded on startup tries to | |
2875 | prompt in the mini-buffer. */ | |
2876 | if (current_kboard == initial_kboard) | |
2877 | current_kboard = tty->kboard; | |
2878 | tty->kboard->reference_count++; | |
2879 | #endif | |
2880 | ||
0a125897 KL |
2881 | /* Don't do this. I think termcap may still need the buffer. */ |
2882 | /* xfree (buffer); */ | |
28d440ab | 2883 | |
0a125897 KL |
2884 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2885 | init_sys_modes (tty); | |
daf01701 | 2886 | |
428a555e | 2887 | return display; |
7b00d185 | 2888 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2889 | } |
2890 | ||
3224dac1 KL |
2891 | /* Auxiliary error-handling function for term_init. |
2892 | Free BUFFER and delete DISPLAY, then call error or fatal | |
da8e1115 KL |
2893 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
2894 | ||
3224dac1 KL |
2895 | static void |
2896 | maybe_fatal (must_succeed, buffer, display, str1, str2, arg1, arg2) | |
2897 | int must_succeed; | |
2898 | char *buffer; | |
2899 | struct display *display; | |
2900 | char *str1, *str2, *arg1, *arg2; | |
2901 | { | |
2902 | if (buffer) | |
2903 | xfree (buffer); | |
2904 | ||
2905 | if (display) | |
2906 | delete_tty (display); | |
2907 | ||
2908 | if (must_succeed) | |
2909 | fatal (str2, arg1, arg2); | |
2910 | else | |
2911 | error (str1, arg1, arg2); | |
2912 | ||
2913 | abort (); | |
2914 | } | |
2915 | ||
08a24c47 | 2916 | /* VARARGS 1 */ |
dfcf069d | 2917 | void |
08a24c47 | 2918 | fatal (str, arg1, arg2) |
4746118a | 2919 | char *str, *arg1, *arg2; |
08a24c47 JB |
2920 | { |
2921 | fprintf (stderr, "emacs: "); | |
2922 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2923 | fprintf (stderr, "\n"); |
08a24c47 JB |
2924 | fflush (stderr); |
2925 | exit (1); | |
2926 | } | |
07c57952 | 2927 | |
819b8f00 KL |
2928 | \f |
2929 | ||
2930 | DEFUN ("delete-tty", Fdelete_tty, Sdelete_tty, 0, 1, 0, | |
4d553a13 KL |
2931 | doc: /* Delete all frames on the terminal named TTY, and close the device. |
2932 | If omitted, TTY defaults to the controlling terminal. | |
2933 | ||
2934 | This function runs `delete-tty-after-functions' after closing the | |
2935 | tty. The functions are run with one arg, the frame to be deleted. */) | |
819b8f00 KL |
2936 | (tty) |
2937 | Lisp_Object tty; | |
07c57952 | 2938 | { |
428a555e | 2939 | struct display *d; |
819b8f00 | 2940 | char *name = 0; |
c291d9ef | 2941 | |
819b8f00 | 2942 | CHECK_STRING (tty); |
daf01701 | 2943 | |
819b8f00 KL |
2944 | if (SBYTES (tty) > 0) |
2945 | { | |
2946 | name = (char *) alloca (SBYTES (tty) + 1); | |
2947 | strncpy (name, SDATA (tty), SBYTES (tty)); | |
2948 | name[SBYTES (tty)] = 0; | |
2949 | } | |
a168702a | 2950 | |
428a555e | 2951 | d = get_named_tty_display (name); |
6548cf00 | 2952 | |
428a555e KL |
2953 | if (! d) |
2954 | error ("No such terminal device: %s", name); | |
daf01701 | 2955 | |
428a555e | 2956 | delete_tty (d); |
0c72d684 KL |
2957 | |
2958 | return Qnil; | |
07c57952 | 2959 | } |
a168702a | 2960 | |
0a125897 KL |
2961 | static int deleting_tty = 0; |
2962 | ||
da8e1115 KL |
2963 | |
2964 | /* Delete the given terminal device, closing all frames on it. */ | |
2965 | ||
fca177d4 | 2966 | void |
428a555e | 2967 | delete_tty (struct display *display) |
fca177d4 | 2968 | { |
428a555e | 2969 | struct tty_display_info *tty; |
fca177d4 | 2970 | Lisp_Object tail, frame; |
4d553a13 | 2971 | char *tty_name; |
81be1a93 | 2972 | int last_display; |
4d553a13 | 2973 | |
0a125897 KL |
2974 | if (deleting_tty) |
2975 | /* We get a recursive call when we delete the last frame on this | |
428a555e | 2976 | display. */ |
0a125897 | 2977 | return; |
fca177d4 | 2978 | |
428a555e KL |
2979 | if (display->type != output_termcap) |
2980 | abort (); | |
2981 | ||
2982 | tty = display->display_info.tty; | |
2983 | ||
81be1a93 KL |
2984 | last_display = 1; |
2985 | FOR_EACH_FRAME (tail, frame) | |
2986 | { | |
2987 | struct frame *f = XFRAME (frame); | |
2988 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
2989 | { | |
2990 | last_display = 0; | |
2991 | break; | |
2992 | } | |
2993 | } | |
2994 | if (last_display) | |
2995 | error ("Attempt to delete the sole display with live frames"); | |
2996 | ||
fca177d4 KL |
2997 | if (tty == tty_list) |
2998 | tty_list = tty->next; | |
2999 | else | |
3000 | { | |
28d7d09f | 3001 | struct tty_display_info *p; |
fca177d4 KL |
3002 | for (p = tty_list; p && p->next != tty; p = p->next) |
3003 | ; | |
3004 | ||
3005 | if (! p) | |
3006 | /* This should not happen. */ | |
3007 | abort (); | |
3008 | ||
0a125897 KL |
3009 | p->next = tty->next; |
3010 | tty->next = 0; | |
fca177d4 KL |
3011 | } |
3012 | ||
81be1a93 KL |
3013 | deleting_tty = 1; |
3014 | ||
04c3243c KL |
3015 | FOR_EACH_FRAME (tail, frame) |
3016 | { | |
3017 | struct frame *f = XFRAME (frame); | |
daf01701 | 3018 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
3019 | { |
3020 | Fdelete_frame (frame, Qt); | |
04c3243c KL |
3021 | } |
3022 | } | |
daf01701 | 3023 | |
3224dac1 KL |
3024 | /* reset_sys_modes needs a valid display, so this call needs to be |
3025 | before delete_display. */ | |
04c3243c | 3026 | reset_sys_modes (tty); |
fca177d4 | 3027 | |
3224dac1 KL |
3028 | delete_display (display); |
3029 | ||
4d553a13 | 3030 | tty_name = tty->name; |
fca177d4 KL |
3031 | if (tty->type) |
3032 | xfree (tty->type); | |
daf01701 | 3033 | |
fca177d4 | 3034 | if (tty->input) |
819b8f00 KL |
3035 | { |
3036 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3037 | if (tty->input != stdin) | |
3038 | fclose (tty->input); | |
3039 | } | |
3040 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3041 | fclose (tty->output); |
3042 | if (tty->termscript) | |
3043 | fclose (tty->termscript); | |
daf01701 | 3044 | |
fca177d4 | 3045 | if (tty->old_tty) |
0a125897 | 3046 | xfree (tty->old_tty); |
fca177d4 | 3047 | |
0a125897 | 3048 | if (tty->Wcm) |
daf01701 KL |
3049 | xfree (tty->Wcm); |
3050 | ||
7b00d185 KL |
3051 | #ifdef MULTI_KBOARD |
3052 | if (tty->kboard && --tty->kboard->reference_count > 0) | |
3053 | abort (); | |
3054 | if (tty->kboard) | |
3055 | delete_kboard (tty->kboard); | |
3056 | #endif | |
3057 | ||
28d7d09f | 3058 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3059 | xfree (tty); |
0a125897 | 3060 | deleting_tty = 0; |
4d553a13 KL |
3061 | |
3062 | /* Run `delete-tty-after-functions'. */ | |
3063 | if (!NILP (Vrun_hooks)) | |
3064 | { | |
3065 | Lisp_Object args[2]; | |
3066 | args[0] = intern ("delete-tty-after-functions"); | |
3067 | if (tty_name) | |
3068 | { | |
3069 | args[1] = build_string (tty_name); | |
3070 | xfree (tty_name); | |
3071 | } | |
3072 | else | |
3073 | args[1] = Qnil; | |
3074 | Frun_hook_with_args (2, args); | |
3075 | } | |
fca177d4 KL |
3076 | } |
3077 | ||
428a555e KL |
3078 | \f |
3079 | ||
3080 | /* Initialize the tty-dependent part of frame F. The frame must | |
3081 | already have its display initialized. */ | |
da8e1115 | 3082 | |
428a555e KL |
3083 | void |
3084 | create_tty_output (struct frame *f) | |
3085 | { | |
e9cda827 KL |
3086 | struct tty_output *t; |
3087 | ||
428a555e KL |
3088 | if (! FRAME_TERMCAP_P (f)) |
3089 | abort (); | |
3090 | ||
e9cda827 | 3091 | t = xmalloc (sizeof (struct tty_output)); |
428a555e KL |
3092 | bzero (t, sizeof (struct tty_output)); |
3093 | ||
3094 | t->display_info = FRAME_DISPLAY (f)->display_info.tty; | |
3095 | ||
3096 | f->output_data.tty = t; | |
3097 | } | |
3098 | ||
3099 | /* Delete the tty-dependent part of frame F. */ | |
da8e1115 | 3100 | |
428a555e KL |
3101 | void |
3102 | delete_tty_output (struct frame *f) | |
3103 | { | |
3104 | if (! FRAME_TERMCAP_P (f)) | |
3105 | abort (); | |
3106 | ||
3107 | xfree (f->output_data.tty); | |
3108 | } | |
3109 | ||
fca177d4 | 3110 | |
819b8f00 | 3111 | \f |
28d440ab | 3112 | |
28d7d09f | 3113 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3114 | Called by the Fgarbage_collector. */ |
da8e1115 | 3115 | |
fca177d4 | 3116 | void |
819b8f00 | 3117 | mark_ttys () |
fca177d4 | 3118 | { |
28d7d09f | 3119 | struct tty_display_info *tty; |
0c72d684 | 3120 | |
819b8f00 | 3121 | for (tty = tty_list; tty; tty = tty->next) |
fca177d4 | 3122 | { |
819b8f00 KL |
3123 | if (tty->top_frame) |
3124 | mark_object (tty->top_frame); | |
fca177d4 KL |
3125 | } |
3126 | } | |
3127 | ||
428a555e KL |
3128 | \f |
3129 | ||
3130 | /* Create a new display object and add it to the display list. */ | |
da8e1115 | 3131 | |
428a555e KL |
3132 | struct display * |
3133 | create_display (void) | |
3134 | { | |
3135 | struct display *dev = (struct display *) xmalloc (sizeof (struct display)); | |
3136 | ||
3137 | bzero (dev, sizeof (struct display)); | |
3138 | dev->next_display = display_list; | |
3139 | display_list = dev; | |
3140 | ||
3141 | return dev; | |
3142 | } | |
3143 | ||
3144 | /* Remove a display from the display list and free its memory. */ | |
da8e1115 | 3145 | |
428a555e KL |
3146 | void |
3147 | delete_display (struct display *dev) | |
3148 | { | |
3149 | struct display **dp; | |
d448e982 KL |
3150 | Lisp_Object tail, frame; |
3151 | ||
3152 | /* Check for and close live frames that are still on this | |
3153 | display. */ | |
3154 | FOR_EACH_FRAME (tail, frame) | |
3155 | { | |
3156 | struct frame *f = XFRAME (frame); | |
3157 | if (FRAME_LIVE_P (f) && f->display == dev) | |
3158 | { | |
3159 | Fdelete_frame (frame, Qt); | |
3160 | } | |
3161 | } | |
3162 | ||
428a555e KL |
3163 | for (dp = &display_list; *dp != dev; dp = &(*dp)->next_display) |
3164 | if (! *dp) | |
3165 | abort (); | |
3166 | *dp = dev->next_display; | |
3167 | ||
3168 | bzero (dev, sizeof (struct display)); | |
3169 | xfree (dev); | |
3170 | } | |
3171 | ||
0b0d3e0b KL |
3172 | \f |
3173 | ||
3174 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
3175 | doc: /* Suspend the terminal device TTY. | |
3176 | The terminal is restored to its default state, and Emacs closes all | |
3177 | access to the terminal device. Frames that use the device are not | |
3178 | deleted, but input is not read from them and if they change, their | |
3179 | display is not updated. | |
3180 | ||
3181 | TTY may a string (a device name), a frame, or nil for the display | |
3182 | device of the currently selected frame. | |
3183 | ||
3184 | This function runs `suspend-tty-functions' after suspending the | |
3185 | device. The functions are run with one arg, the name of the terminal | |
3186 | device. | |
3187 | ||
3188 | `suspend-tty' does nothing if it is called on an already suspended | |
3189 | device. | |
3190 | ||
3191 | A suspended terminal device may be resumed by calling `resume-tty' on | |
3192 | it. */) | |
3193 | (tty) | |
3194 | Lisp_Object tty; | |
3195 | { | |
3196 | struct display *d = get_tty_display (tty); | |
3197 | FILE *f; | |
3198 | ||
3199 | if (!d) | |
3200 | error ("Unknown tty device"); | |
3201 | ||
3202 | f = d->display_info.tty->input; | |
3203 | ||
3204 | if (f) | |
3205 | { | |
3206 | reset_sys_modes (d->display_info.tty); | |
3207 | ||
3208 | delete_keyboard_wait_descriptor (fileno (f)); | |
3209 | ||
3210 | fclose (f); | |
3211 | if (f != d->display_info.tty->output) | |
3212 | fclose (d->display_info.tty->output); | |
3213 | ||
3214 | d->display_info.tty->input = 0; | |
3215 | d->display_info.tty->output = 0; | |
3216 | ||
3217 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3218 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 0); | |
3219 | ||
3220 | /* Run `suspend-tty-functions'. */ | |
3221 | if (!NILP (Vrun_hooks)) | |
3222 | { | |
3223 | Lisp_Object args[2]; | |
3224 | args[0] = intern ("suspend-tty-functions"); | |
3225 | if (d->display_info.tty->name) | |
3226 | { | |
3227 | args[1] = build_string (d->display_info.tty->name); | |
3228 | } | |
3229 | else | |
3230 | args[1] = Qnil; | |
3231 | Frun_hook_with_args (2, args); | |
3232 | } | |
3233 | } | |
3234 | ||
3235 | return Qnil; | |
3236 | } | |
3237 | ||
3238 | ||
3239 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
3240 | doc: /* Resume the previously suspended terminal device TTY. | |
3241 | The terminal is opened and reinitialized. Frames that used the | |
3242 | suspended device are revived. | |
3243 | ||
3244 | This function runs `resume-tty-functions' after resuming the device. | |
3245 | The functions are run with one arg, the name of the terminal device. | |
3246 | ||
3247 | `resume-tty' does nothing if it is called on a device that is not | |
3248 | suspended. | |
3249 | ||
3250 | TTY may a string (a device name), a frame, or nil for the display | |
3251 | device of the currently selected frame. */) | |
3252 | (tty) | |
3253 | Lisp_Object tty; | |
3254 | { | |
3255 | struct display *d = get_tty_display (tty); | |
3256 | int fd; | |
3257 | ||
3258 | if (!d) | |
3259 | error ("Unknown tty device"); | |
3260 | ||
3261 | if (!d->display_info.tty->input) | |
3262 | { | |
3263 | fd = emacs_open (d->display_info.tty->name, O_RDWR | O_NOCTTY, 0); | |
0b0d3e0b | 3264 | |
03a1d6bd KL |
3265 | /* XXX What if open fails? */ |
3266 | ||
3267 | dissociate_if_controlling_tty (fd); | |
3268 | ||
0b0d3e0b KL |
3269 | d->display_info.tty->output = fdopen (fd, "w+"); |
3270 | d->display_info.tty->input = d->display_info.tty->output; | |
3271 | ||
3272 | add_keyboard_wait_descriptor (fd); | |
3273 | ||
3274 | if (FRAMEP (d->display_info.tty->top_frame)) | |
3275 | FRAME_SET_VISIBLE (XFRAME (d->display_info.tty->top_frame), 1); | |
3276 | ||
3277 | init_sys_modes (d->display_info.tty); | |
3278 | ||
3279 | /* Run `suspend-tty-functions'. */ | |
3280 | if (!NILP (Vrun_hooks)) | |
3281 | { | |
3282 | Lisp_Object args[2]; | |
3283 | args[0] = intern ("resume-tty-functions"); | |
3284 | if (d->display_info.tty->name) | |
3285 | { | |
3286 | args[1] = build_string (d->display_info.tty->name); | |
3287 | } | |
3288 | else | |
3289 | args[1] = Qnil; | |
3290 | Frun_hook_with_args (2, args); | |
3291 | } | |
3292 | } | |
3293 | ||
3294 | return Qnil; | |
3295 | } | |
28d440ab | 3296 | |
819b8f00 KL |
3297 | \f |
3298 | void | |
3299 | syms_of_term () | |
3300 | { | |
3301 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3302 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3303 | This variable can be used by terminal emulator packages. */); | |
3304 | #ifdef TERMINFO | |
3305 | system_uses_terminfo = 1; | |
3306 | #else | |
3307 | system_uses_terminfo = 0; | |
3308 | #endif | |
3309 | ||
3310 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
3311 | doc: /* Non-nil means call this function to ring the bell. | |
3312 | The function should accept no arguments. */); | |
3313 | Vring_bell_function = Qnil; | |
3314 | ||
4d553a13 KL |
3315 | DEFVAR_LISP ("delete-tty-after-functions", &Vdelete_tty_after_functions, |
3316 | doc: /* Functions to be run after deleting a tty. | |
3317 | The functions are run with one argument, the name of the tty to be deleted. | |
3318 | See `delete-tty'. */); | |
3319 | Vdelete_tty_after_functions = Qnil; | |
3320 | ||
0b0d3e0b KL |
3321 | |
3322 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, | |
3323 | doc: /* Functions to be run after suspending a tty. | |
3324 | The functions are run with one argument, the name of the tty to be suspended. | |
3325 | See `suspend-tty'. */); | |
3326 | Vsuspend_tty_functions = Qnil; | |
3327 | ||
3328 | ||
3329 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, | |
3330 | doc: /* Functions to be run after resuming a tty. | |
3331 | The functions are run with one argument, the name of the tty that was revived. | |
3332 | See `resume-tty'. */); | |
3333 | Vresume_tty_functions = Qnil; | |
3334 | ||
819b8f00 KL |
3335 | Qframe_tty_name = intern ("frame-tty-name"); |
3336 | staticpro (&Qframe_tty_name); | |
3337 | ||
3338 | Qframe_tty_type = intern ("frame-tty-type"); | |
3339 | staticpro (&Qframe_tty_type); | |
3340 | ||
3341 | defsubr (&Stty_display_color_p); | |
3342 | defsubr (&Stty_display_color_cells); | |
3343 | defsubr (&Sframe_tty_name); | |
3344 | defsubr (&Sframe_tty_type); | |
3345 | defsubr (&Sdelete_tty); | |
0b0d3e0b KL |
3346 | defsubr (&Ssuspend_tty); |
3347 | defsubr (&Sresume_tty); | |
daf01701 | 3348 | |
819b8f00 | 3349 | Fprovide (intern ("multi-tty"), Qnil); |
7b00d185 | 3350 | |
819b8f00 KL |
3351 | } |
3352 | ||
3353 | ||
3354 | ||
ab5796a9 MB |
3355 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3356 | (do not change this comment) */ |