Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
aaef169d | 3 | 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
28d440ab KL |
29 | #include <sys/file.h> |
30 | ||
0c72d684 | 31 | #include <unistd.h> /* For isatty. */ |
67ad74df KL |
32 | |
33 | #if HAVE_TERMIOS_H | |
34 | #include <termios.h> /* For TIOCNOTTY. */ | |
35 | #endif | |
03a1d6bd KL |
36 | |
37 | #include <signal.h> | |
0c72d684 | 38 | |
9628b887 | 39 | #include "lisp.h" |
08a24c47 JB |
40 | #include "termchar.h" |
41 | #include "termopts.h" | |
a4decb7f KH |
42 | #include "charset.h" |
43 | #include "coding.h" | |
2538fae4 | 44 | #include "keyboard.h" |
ff11dfa1 | 45 | #include "frame.h" |
08a24c47 JB |
46 | #include "disptab.h" |
47 | #include "termhooks.h" | |
dfcf069d | 48 | #include "dispextern.h" |
a168702a | 49 | #include "window.h" |
8feddab4 | 50 | #include "keymap.h" |
03a1d6bd KL |
51 | #include "syssignal.h" |
52 | #include "systty.h" | |
a168702a | 53 | |
ff23e1dd GM |
54 | /* For now, don't try to include termcap.h. On some systems, |
55 | configure finds a non-standard termcap.h that the main build | |
56 | won't find. */ | |
57 | ||
58 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 59 | #include <termcap.h> |
46d1b2bc DL |
60 | #else |
61 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
62 | extern int tgetent P_ ((char *, const char *)); | |
63 | extern int tgetflag P_ ((char *id)); | |
64 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
65 | #endif |
66 | ||
eccec691 | 67 | #include "cm.h" |
dfcf069d AS |
68 | #ifdef HAVE_X_WINDOWS |
69 | #include "xterm.h" | |
70 | #endif | |
e0f712ba | 71 | #ifdef MAC_OS |
1a578e9b AC |
72 | #include "macterm.h" |
73 | #endif | |
c8951b18 | 74 | |
28d440ab KL |
75 | #ifndef O_RDWR |
76 | #define O_RDWR 2 | |
77 | #endif | |
78 | ||
0c72d684 KL |
79 | #ifndef O_NOCTTY |
80 | #define O_NOCTTY 0 | |
81 | #endif | |
82 | ||
ed8dad6b | 83 | static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop)); |
a168702a GM |
84 | static void turn_on_face P_ ((struct frame *, int face_id)); |
85 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
86 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
87 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
ed8dad6b KL |
88 | static void tty_background_highlight P_ ((struct tty_display_info *tty)); |
89 | static void dissociate_if_controlling_tty P_ ((int fd)); | |
6ed8eeff | 90 | static void delete_tty P_ ((struct terminal *)); |
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 | |
b58cb614 | 112 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
177c0ea7 | 113 | |
b58cb614 | 114 | static int visible_cursor; |
08a24c47 | 115 | |
f46c2aff KS |
116 | /* Display space properties */ |
117 | ||
118 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
119 | ||
0b0d3e0b KL |
120 | /* Functions to call after suspending a tty. */ |
121 | Lisp_Object Vsuspend_tty_functions; | |
122 | ||
123 | /* Functions to call after resuming a tty. */ | |
124 | Lisp_Object Vresume_tty_functions; | |
125 | ||
428a555e | 126 | /* Chain of all tty device parameters. */ |
28d7d09f | 127 | struct tty_display_info *tty_list; |
08a24c47 | 128 | |
fca177d4 KL |
129 | /* Nonzero means no need to redraw the entire frame on resuming a |
130 | suspended Emacs. This is useful on terminals with multiple | |
131 | pages, where one page is used for Emacs and another for all | |
132 | else. */ | |
08a24c47 | 133 | int no_redraw_on_reenter; |
819b8f00 | 134 | |
4e6ba4a4 GM |
135 | /* Meaning of bits in no_color_video. Each bit set means that the |
136 | corresponding attribute cannot be combined with colors. */ | |
137 | ||
138 | enum no_color_bit | |
139 | { | |
140 | NC_STANDOUT = 1 << 0, | |
141 | NC_UNDERLINE = 1 << 1, | |
142 | NC_REVERSE = 1 << 2, | |
143 | NC_BLINK = 1 << 3, | |
144 | NC_DIM = 1 << 4, | |
145 | NC_BOLD = 1 << 5, | |
146 | NC_INVIS = 1 << 6, | |
147 | NC_PROTECT = 1 << 7, | |
148 | NC_ALT_CHARSET = 1 << 8 | |
149 | }; | |
150 | ||
08a24c47 JB |
151 | /* internal state */ |
152 | ||
8dd0c7cb | 153 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 154 | |
9882535b | 155 | int max_frame_cols; |
a168702a | 156 | |
8dd0c7cb | 157 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 158 | |
9882535b | 159 | int max_frame_lines; |
8dd0c7cb | 160 | |
0c72d684 KL |
161 | /* Non-zero if we have dropped our controlling tty and therefore |
162 | should not open a frame on stdout. */ | |
163 | static int no_controlling_tty; | |
164 | ||
07c57952 | 165 | /* Provided for lisp packages. */ |
a168702a | 166 | |
07c57952 KH |
167 | static int system_uses_terminfo; |
168 | ||
08a24c47 | 169 | char *tparam (); |
e4bfb3b6 RS |
170 | |
171 | extern char *tgetstr (); | |
08a24c47 | 172 | \f |
cb28b9c2 | 173 | |
1a89b7c6 AI |
174 | #ifdef WINDOWSNT |
175 | /* We aren't X windows, but we aren't termcap either. This makes me | |
176 | uncertain as to what value to use for frame.output_method. For | |
177 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
178 | output hooks get called instead of the termcap functions. Probably | |
179 | the best long-term solution is to define an output_windows_nt... */ | |
180 | ||
181 | #undef FRAME_TERMCAP_P | |
182 | #define FRAME_TERMCAP_P(_f_) 0 | |
183 | #endif /* WINDOWSNT */ | |
184 | ||
08a24c47 | 185 | |
da8e1115 KL |
186 | /* Ring the bell on a tty. */ |
187 | ||
ed8dad6b | 188 | static void |
385ed61f | 189 | tty_ring_bell (struct frame *f) |
3224dac1 | 190 | { |
3224dac1 KL |
191 | struct tty_display_info *tty = FRAME_TTY (f); |
192 | ||
b6660415 KL |
193 | if (tty->output) |
194 | { | |
195 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
196 | ? tty->TS_visible_bell | |
197 | : tty->TS_bell)); | |
198 | fflush (tty->output); | |
199 | } | |
3224dac1 KL |
200 | } |
201 | ||
da8e1115 KL |
202 | /* Set up termcap modes for Emacs. */ |
203 | ||
204 | void | |
6ed8eeff | 205 | tty_set_terminal_modes (struct terminal *terminal) |
fca177d4 | 206 | { |
6ed8eeff | 207 | struct tty_display_info *tty = terminal->display_info.tty; |
3224dac1 | 208 | |
0b0d3e0b KL |
209 | if (tty->output) |
210 | { | |
fbf34973 KL |
211 | if (tty->TS_termcap_modes) |
212 | OUTPUT (tty, tty->TS_termcap_modes); | |
213 | else | |
214 | { | |
215 | /* Output enough newlines to scroll all the old screen contents | |
216 | off the screen, so it won't be overwritten and lost. */ | |
217 | int i; | |
a3c07f68 | 218 | current_tty = tty; |
fbf34973 | 219 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 220 | cmputc ('\n'); |
fbf34973 KL |
221 | } |
222 | ||
0b0d3e0b | 223 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
b58cb614 | 224 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
225 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
226 | losecursor (tty); | |
2f98e6e3 | 227 | fflush (tty->output); |
0b0d3e0b | 228 | } |
fca177d4 KL |
229 | } |
230 | ||
da8e1115 KL |
231 | /* Reset termcap modes before exiting Emacs. */ |
232 | ||
233 | void | |
6ed8eeff | 234 | tty_reset_terminal_modes (struct terminal *terminal) |
fca177d4 | 235 | { |
6ed8eeff | 236 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
237 | |
238 | if (tty->output) | |
239 | { | |
ed8dad6b KL |
240 | tty_turn_off_highlight (tty); |
241 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
242 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
243 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
244 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
245 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
246 | /* Output raw CR so kernel can track the cursor hpos. */ | |
247 | current_tty = tty; | |
248 | cmputc ('\r'); | |
2f98e6e3 | 249 | fflush (tty->output); |
0b0d3e0b | 250 | } |
fca177d4 KL |
251 | } |
252 | ||
6ed8eeff | 253 | /* Flag the end of a display update on a termcap terminal. */ |
da8e1115 | 254 | |
ed8dad6b | 255 | static void |
3224dac1 KL |
256 | tty_update_end (struct frame *f) |
257 | { | |
258 | struct tty_display_info *tty = FRAME_TTY (f); | |
259 | ||
260 | if (!XWINDOW (selected_window)->cursor_off_p) | |
261 | tty_show_cursor (tty); | |
ed8dad6b KL |
262 | tty_turn_off_insert (tty); |
263 | tty_background_highlight (tty); | |
3224dac1 KL |
264 | } |
265 | ||
da8e1115 KL |
266 | /* The implementation of set_terminal_window for termcap frames. */ |
267 | ||
ed8dad6b | 268 | static void |
385ed61f | 269 | tty_set_terminal_window (struct frame *f, int size) |
3224dac1 | 270 | { |
3224dac1 KL |
271 | struct tty_display_info *tty = FRAME_TTY (f); |
272 | ||
273 | tty->specified_window = size ? size : FRAME_LINES (f); | |
274 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 275 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
276 | } |
277 | ||
ed8dad6b KL |
278 | static void |
279 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
280 | { |
281 | char *buf; | |
28d7d09f | 282 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 283 | |
fca177d4 KL |
284 | if (tty->TS_set_scroll_region) |
285 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
286 | else if (tty->TS_set_scroll_region_1) | |
287 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
288 | FRAME_LINES (f), start, |
289 | FRAME_LINES (f) - stop, | |
290 | FRAME_LINES (f)); | |
08a24c47 | 291 | else |
fca177d4 | 292 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 293 | |
6548cf00 | 294 | OUTPUT (tty, buf); |
9ac0d9e0 | 295 | xfree (buf); |
6548cf00 | 296 | losecursor (tty); |
08a24c47 | 297 | } |
d284f58f | 298 | |
08a24c47 | 299 | \f |
d284f58f | 300 | static void |
ed8dad6b | 301 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 302 | { |
fca177d4 KL |
303 | if (!tty->insert_mode) |
304 | OUTPUT (tty, tty->TS_insert_mode); | |
305 | tty->insert_mode = 1; | |
08a24c47 JB |
306 | } |
307 | ||
dfcf069d | 308 | void |
ed8dad6b | 309 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 310 | { |
fca177d4 KL |
311 | if (tty->insert_mode) |
312 | OUTPUT (tty, tty->TS_end_insert_mode); | |
313 | tty->insert_mode = 0; | |
08a24c47 JB |
314 | } |
315 | \f | |
54800acb | 316 | /* Handle highlighting. */ |
08a24c47 | 317 | |
dfcf069d | 318 | void |
ed8dad6b | 319 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 320 | { |
fca177d4 KL |
321 | if (tty->standout_mode) |
322 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
323 | tty->standout_mode = 0; | |
08a24c47 JB |
324 | } |
325 | ||
d284f58f | 326 | static void |
ed8dad6b | 327 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 328 | { |
fca177d4 KL |
329 | if (!tty->standout_mode) |
330 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
331 | tty->standout_mode = 1; | |
08a24c47 JB |
332 | } |
333 | ||
86a7d192 | 334 | static void |
ed8dad6b | 335 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 336 | { |
fca177d4 | 337 | if (tty->standout_mode) |
ed8dad6b | 338 | tty_turn_off_highlight (tty); |
86a7d192 | 339 | else |
ed8dad6b | 340 | tty_turn_on_highlight (tty); |
86a7d192 GM |
341 | } |
342 | ||
a168702a GM |
343 | |
344 | /* Make cursor invisible. */ | |
345 | ||
346 | static void | |
28d7d09f | 347 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 348 | { |
fca177d4 | 349 | if (tty->cursor_hidden == 0) |
d284f58f | 350 | { |
fca177d4 KL |
351 | tty->cursor_hidden = 1; |
352 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 353 | } |
a168702a GM |
354 | } |
355 | ||
356 | ||
357 | /* Ensure that cursor is visible. */ | |
358 | ||
359 | static void | |
28d7d09f | 360 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 361 | { |
fca177d4 | 362 | if (tty->cursor_hidden) |
d284f58f | 363 | { |
fca177d4 KL |
364 | tty->cursor_hidden = 0; |
365 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 366 | if (visible_cursor) |
b58cb614 | 367 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 368 | } |
a168702a GM |
369 | } |
370 | ||
371 | ||
08a24c47 JB |
372 | /* Set standout mode to the state it should be in for |
373 | empty space inside windows. What this is, | |
374 | depends on the user option inverse-video. */ | |
375 | ||
ed8dad6b KL |
376 | static void |
377 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 378 | { |
08a24c47 | 379 | if (inverse_video) |
ed8dad6b | 380 | tty_turn_on_highlight (tty); |
08a24c47 | 381 | else |
ed8dad6b | 382 | tty_turn_off_highlight (tty); |
08a24c47 JB |
383 | } |
384 | ||
385 | /* Set standout mode to the mode specified for the text to be output. */ | |
386 | ||
dfcf069d | 387 | static void |
ed8dad6b | 388 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 389 | { |
8ede64a5 | 390 | if (inverse_video) |
ed8dad6b | 391 | tty_turn_on_highlight (tty); |
8ede64a5 | 392 | else |
ed8dad6b | 393 | tty_turn_off_highlight (tty); |
08a24c47 JB |
394 | } |
395 | \f | |
396 | ||
a168702a GM |
397 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
398 | frame-relative coordinates. */ | |
08a24c47 | 399 | |
ed8dad6b | 400 | static void |
385ed61f | 401 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
3224dac1 | 402 | { |
3224dac1 | 403 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 404 | |
36cae867 KH |
405 | /* Detect the case where we are called from reset_sys_modes |
406 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 407 | if (! tty->costs_set) |
36cae867 KH |
408 | return; |
409 | ||
6548cf00 KL |
410 | if (curY (tty) == vpos |
411 | && curX (tty) == hpos) | |
08a24c47 | 412 | return; |
fca177d4 | 413 | if (!tty->TF_standout_motion) |
ed8dad6b | 414 | tty_background_highlight (tty); |
fca177d4 | 415 | if (!tty->TF_insmode_motion) |
ed8dad6b | 416 | tty_turn_off_insert (tty); |
6548cf00 | 417 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
418 | } |
419 | ||
420 | /* Similar but don't take any account of the wasted characters. */ | |
421 | ||
ed8dad6b | 422 | static void |
385ed61f | 423 | tty_raw_cursor_to (struct frame *f, int row, int col) |
3224dac1 | 424 | { |
3224dac1 KL |
425 | struct tty_display_info *tty = FRAME_TTY (f); |
426 | ||
6548cf00 KL |
427 | if (curY (tty) == row |
428 | && curX (tty) == col) | |
08a24c47 | 429 | return; |
fca177d4 | 430 | if (!tty->TF_standout_motion) |
ed8dad6b | 431 | tty_background_highlight (tty); |
fca177d4 | 432 | if (!tty->TF_insmode_motion) |
ed8dad6b | 433 | tty_turn_off_insert (tty); |
6548cf00 | 434 | cmgoto (tty, row, col); |
08a24c47 JB |
435 | } |
436 | \f | |
437 | /* Erase operations */ | |
438 | ||
da8e1115 KL |
439 | /* Clear from cursor to end of frame on a termcap device. */ |
440 | ||
ed8dad6b | 441 | static void |
385ed61f | 442 | tty_clear_to_end (struct frame *f) |
3224dac1 KL |
443 | { |
444 | register int i; | |
3224dac1 KL |
445 | struct tty_display_info *tty = FRAME_TTY (f); |
446 | ||
fca177d4 | 447 | if (tty->TS_clr_to_bottom) |
08a24c47 | 448 | { |
ed8dad6b | 449 | tty_background_highlight (tty); |
fca177d4 | 450 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
451 | } |
452 | else | |
453 | { | |
6548cf00 | 454 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 455 | { |
385ed61f KL |
456 | cursor_to (f, i, 0); |
457 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
458 | } |
459 | } | |
460 | } | |
461 | ||
da8e1115 KL |
462 | /* Clear an entire termcap frame. */ |
463 | ||
ed8dad6b | 464 | static void |
385ed61f | 465 | tty_clear_frame (struct frame *f) |
3224dac1 | 466 | { |
3224dac1 KL |
467 | struct tty_display_info *tty = FRAME_TTY (f); |
468 | ||
fca177d4 | 469 | if (tty->TS_clr_frame) |
08a24c47 | 470 | { |
ed8dad6b | 471 | tty_background_highlight (tty); |
fca177d4 | 472 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 473 | cmat (tty, 0, 0); |
08a24c47 JB |
474 | } |
475 | else | |
476 | { | |
385ed61f KL |
477 | cursor_to (f, 0, 0); |
478 | clear_to_end (f); | |
08a24c47 JB |
479 | } |
480 | } | |
481 | ||
da8e1115 KL |
482 | /* An implementation of clear_end_of_line for termcap frames. |
483 | ||
484 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
485 | ||
ed8dad6b | 486 | static void |
385ed61f | 487 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
0a125897 KL |
488 | { |
489 | register int i; | |
3224dac1 KL |
490 | struct tty_display_info *tty = FRAME_TTY (f); |
491 | ||
36cae867 KH |
492 | /* Detect the case where we are called from reset_sys_modes |
493 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 494 | if (! tty->costs_set) |
36cae867 KH |
495 | return; |
496 | ||
6548cf00 | 497 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 498 | return; |
ed8dad6b | 499 | tty_background_highlight (tty); |
fca177d4 | 500 | if (tty->TS_clr_line) |
08a24c47 | 501 | { |
fca177d4 | 502 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
503 | } |
504 | else | |
505 | { /* have to do it the hard way */ | |
ed8dad6b | 506 | tty_turn_off_insert (tty); |
08a24c47 | 507 | |
a168702a | 508 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 509 | if (AutoWrap (tty) |
0a125897 KL |
510 | && curY (tty) == FrameRows (tty) - 1 |
511 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
512 | first_unused_hpos--; |
513 | ||
6548cf00 | 514 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 515 | { |
0b0d3e0b KL |
516 | if (tty->termscript) |
517 | fputc (' ', tty->termscript); | |
518 | fputc (' ', tty->output); | |
08a24c47 | 519 | } |
6548cf00 | 520 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
521 | } |
522 | } | |
523 | \f | |
af645abf KH |
524 | /* Buffer to store the source and result of code conversion for terminal. */ |
525 | static unsigned char *encode_terminal_buf; | |
526 | /* Allocated size of the above buffer. */ | |
527 | static int encode_terminal_bufsize; | |
a4decb7f | 528 | |
af645abf KH |
529 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. |
530 | Set CODING->produced to the byte-length of the resulting byte | |
531 | sequence, and return a pointer to that byte sequence. */ | |
a4decb7f | 532 | |
302db699 | 533 | unsigned char * |
af645abf | 534 | encode_terminal_code (src, src_len, coding) |
a168702a | 535 | struct glyph *src; |
a4decb7f | 536 | int src_len; |
af645abf | 537 | struct coding_system *coding; |
a4decb7f | 538 | { |
feef4f84 | 539 | struct glyph *src_end = src + src_len; |
085d5908 | 540 | register GLYPH g; |
af645abf KH |
541 | unsigned char *buf; |
542 | int nchars, nbytes, required; | |
a4decb7f KH |
543 | register int tlen = GLYPH_TABLE_LENGTH; |
544 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 | 545 | |
af645abf KH |
546 | /* Allocate sufficient size of buffer to store all characters in |
547 | multibyte-form. But, it may be enlarged on demand if | |
548 | Vglyph_table contains a string. */ | |
549 | required = MAX_MULTIBYTE_LENGTH * src_len; | |
550 | if (encode_terminal_bufsize < required) | |
551 | { | |
af645abf KH |
552 | if (encode_terminal_bufsize == 0) |
553 | encode_terminal_buf = xmalloc (required); | |
554 | else | |
555 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
d6d31e57 | 556 | encode_terminal_bufsize = required; |
af645abf | 557 | } |
a4decb7f | 558 | |
af645abf KH |
559 | buf = encode_terminal_buf; |
560 | nchars = 0; | |
a4decb7f KH |
561 | while (src < src_end) |
562 | { | |
a4decb7f | 563 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 564 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 565 | { |
32de38e4 KH |
566 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
567 | ||
568 | if (g < 0 || g >= tlen) | |
085d5908 | 569 | { |
32de38e4 | 570 | /* This glyph doesn't has an entry in Vglyph_table. */ |
af645abf KH |
571 | if (CHAR_VALID_P (src->u.ch, 0)) |
572 | buf += CHAR_STRING (src->u.ch, buf); | |
32de38e4 | 573 | else |
af645abf KH |
574 | *buf++ = SPACEGLYPH; |
575 | nchars++; | |
085d5908 | 576 | } |
32de38e4 | 577 | else |
a4decb7f | 578 | { |
32de38e4 | 579 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
580 | so process any alias before testing for simpleness. */ |
581 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
582 | |
583 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
584 | { | |
af645abf KH |
585 | int c = FAST_GLYPH_CHAR (g); |
586 | ||
587 | if (CHAR_VALID_P (c, 0)) | |
588 | buf += CHAR_STRING (c, buf); | |
589 | else | |
590 | *buf++ = SPACEGLYPH; | |
591 | nchars++; | |
32de38e4 KH |
592 | } |
593 | else | |
594 | { | |
595 | /* We have a string in Vglyph_table. */ | |
af645abf KH |
596 | Lisp_Object string; |
597 | ||
598 | string = tbase[g]; | |
599 | if (! STRING_MULTIBYTE (string)) | |
600 | string = string_to_multibyte (string); | |
601 | nbytes = buf - encode_terminal_buf; | |
fd4a9f8f | 602 | if (encode_terminal_bufsize < nbytes + SBYTES (string)) |
af645abf KH |
603 | { |
604 | encode_terminal_bufsize = nbytes + SBYTES (string); | |
605 | encode_terminal_buf = xrealloc (encode_terminal_buf, | |
606 | encode_terminal_bufsize); | |
607 | buf = encode_terminal_buf + nbytes; | |
608 | } | |
609 | bcopy (SDATA (string), buf, SBYTES (string)); | |
610 | buf += SBYTES (string); | |
611 | nchars += SCHARS (string); | |
32de38e4 | 612 | } |
171d7f24 | 613 | } |
a4decb7f KH |
614 | } |
615 | src++; | |
616 | } | |
177c0ea7 | 617 | |
af645abf KH |
618 | nbytes = buf - encode_terminal_buf; |
619 | coding->src_multibyte = 1; | |
620 | coding->dst_multibyte = 0; | |
621 | if (SYMBOLP (coding->pre_write_conversion) | |
622 | && ! NILP (Ffboundp (coding->pre_write_conversion))) | |
623 | { | |
feef4f84 | 624 | run_pre_write_conversin_on_c_str (&encode_terminal_buf, |
af645abf KH |
625 | &encode_terminal_bufsize, |
626 | nchars, nbytes, coding); | |
627 | nchars = coding->produced_char; | |
628 | nbytes = coding->produced; | |
629 | } | |
630 | required = nbytes + encoding_buffer_size (coding, nbytes); | |
631 | if (encode_terminal_bufsize < required) | |
632 | { | |
633 | encode_terminal_bufsize = required; | |
634 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
635 | } | |
a4decb7f | 636 | |
af645abf KH |
637 | encode_coding (coding, encode_terminal_buf, encode_terminal_buf + nbytes, |
638 | nbytes, encode_terminal_bufsize - nbytes); | |
639 | return encode_terminal_buf + nbytes; | |
a4decb7f KH |
640 | } |
641 | ||
08a24c47 | 642 | |
da8e1115 KL |
643 | /* An implementation of write_glyphs for termcap frames. */ |
644 | ||
ed8dad6b | 645 | static void |
385ed61f | 646 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 647 | { |
af645abf KH |
648 | unsigned char *conversion_buffer; |
649 | struct coding_system *coding; | |
08a24c47 | 650 | |
3224dac1 | 651 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 652 | |
ed8dad6b | 653 | tty_turn_off_insert (tty); |
fca177d4 | 654 | tty_hide_cursor (tty); |
08a24c47 | 655 | |
a168702a | 656 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 657 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 658 | |
6548cf00 KL |
659 | if (AutoWrap (tty) |
660 | && curY (tty) + 1 == FRAME_LINES (f) | |
661 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 662 | len --; |
a4decb7f KH |
663 | if (len <= 0) |
664 | return; | |
08a24c47 | 665 | |
6548cf00 | 666 | cmplus (tty, len); |
177c0ea7 | 667 | |
af645abf KH |
668 | /* If terminal_coding does any conversion, use it, otherwise use |
669 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
670 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
671 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
672 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
673 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
674 | the tail. */ | |
af645abf | 675 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 676 | |
a4decb7f | 677 | while (len > 0) |
08a24c47 | 678 | { |
a168702a | 679 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 680 | int face_id = string->face_id; |
a168702a | 681 | int n; |
177c0ea7 | 682 | |
a168702a | 683 | for (n = 1; n < len; ++n) |
32de38e4 | 684 | if (string[n].face_id != face_id) |
a168702a GM |
685 | break; |
686 | ||
687 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 688 | tty_highlight_if_desired (tty); |
a168702a GM |
689 | turn_on_face (f, face_id); |
690 | ||
af645abf KH |
691 | if (n == len) |
692 | /* This is the last run. */ | |
693 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
694 | conversion_buffer = encode_terminal_code (string, n, coding); | |
695 | if (coding->produced > 0) | |
08a24c47 | 696 | { |
fad2f685 KL |
697 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
698 | if (ferror (tty->output)) | |
699 | clearerr (tty->output); | |
700 | if (tty->termscript) | |
701 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
08a24c47 | 702 | } |
af645abf KH |
703 | len -= n; |
704 | string += n; | |
a168702a GM |
705 | |
706 | /* Turn appearance modes off. */ | |
707 | turn_off_face (f, face_id); | |
ed8dad6b | 708 | tty_turn_off_highlight (tty); |
a4decb7f | 709 | } |
177c0ea7 | 710 | |
6548cf00 | 711 | cmcheckmagic (tty); |
08a24c47 JB |
712 | } |
713 | ||
da8e1115 KL |
714 | /* An implementation of insert_glyphs for termcap frames. */ |
715 | ||
ed8dad6b | 716 | static void |
385ed61f | 717 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
3224dac1 KL |
718 | { |
719 | char *buf; | |
720 | struct glyph *glyph = NULL; | |
af645abf KH |
721 | unsigned char *conversion_buffer; |
722 | unsigned char space[1]; | |
723 | struct coding_system *coding; | |
3224dac1 KL |
724 | |
725 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 726 | |
fca177d4 | 727 | if (tty->TS_ins_multi_chars) |
08a24c47 | 728 | { |
fca177d4 | 729 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 730 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 731 | xfree (buf); |
08a24c47 | 732 | if (start) |
385ed61f | 733 | write_glyphs (f, start, len); |
08a24c47 JB |
734 | return; |
735 | } | |
736 | ||
ed8dad6b | 737 | tty_turn_on_insert (tty); |
6548cf00 | 738 | cmplus (tty, len); |
af645abf KH |
739 | |
740 | if (! start) | |
741 | space[0] = SPACEGLYPH; | |
742 | ||
743 | /* If terminal_coding does any conversion, use it, otherwise use | |
744 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
745 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
746 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
747 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
af645abf KH |
748 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
749 | the tail. */ | |
750 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
751 | ||
07109bf9 | 752 | while (len-- > 0) |
08a24c47 | 753 | { |
fca177d4 | 754 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 755 | if (!start) |
32de38e4 | 756 | { |
af645abf KH |
757 | conversion_buffer = space; |
758 | coding->produced = 1; | |
32de38e4 | 759 | } |
08a24c47 | 760 | else |
08a24c47 | 761 | { |
ed8dad6b | 762 | tty_highlight_if_desired (tty); |
32de38e4 | 763 | turn_on_face (f, start->face_id); |
816be8b8 | 764 | glyph = start; |
a168702a | 765 | ++start; |
a4decb7f KH |
766 | /* We must open sufficient space for a character which |
767 | occupies more than one column. */ | |
a168702a | 768 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 769 | { |
fca177d4 | 770 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
771 | start++, len--; |
772 | } | |
a4decb7f | 773 | |
32de38e4 KH |
774 | if (len <= 0) |
775 | /* This is the last glyph. */ | |
af645abf | 776 | coding->mode |= CODING_MODE_LAST_BLOCK; |
32de38e4 | 777 | |
fad2f685 | 778 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 779 | } |
a4decb7f | 780 | |
af645abf | 781 | if (coding->produced > 0) |
08a24c47 | 782 | { |
fad2f685 | 783 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
784 | if (ferror (tty->output)) |
785 | clearerr (tty->output); | |
786 | if (tty->termscript) | |
fad2f685 | 787 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
08a24c47 JB |
788 | } |
789 | ||
fca177d4 | 790 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 791 | if (start) |
65aa5e85 GM |
792 | { |
793 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 794 | tty_turn_off_highlight (tty); |
65aa5e85 | 795 | } |
9a6b6f92 | 796 | } |
177c0ea7 | 797 | |
6548cf00 | 798 | cmcheckmagic (tty); |
08a24c47 JB |
799 | } |
800 | ||
da8e1115 KL |
801 | /* An implementation of delete_glyphs for termcap frames. */ |
802 | ||
ed8dad6b | 803 | static void |
385ed61f | 804 | tty_delete_glyphs (struct frame *f, int n) |
3224dac1 KL |
805 | { |
806 | char *buf; | |
807 | register int i; | |
3224dac1 KL |
808 | |
809 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 810 | |
fca177d4 | 811 | if (tty->delete_in_insert_mode) |
08a24c47 | 812 | { |
ed8dad6b | 813 | tty_turn_on_insert (tty); |
08a24c47 JB |
814 | } |
815 | else | |
816 | { | |
ed8dad6b | 817 | tty_turn_off_insert (tty); |
fca177d4 | 818 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 | 819 | } |
daf01701 | 820 | |
fca177d4 | 821 | if (tty->TS_del_multi_chars) |
08a24c47 | 822 | { |
fca177d4 | 823 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 824 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 825 | xfree (buf); |
08a24c47 JB |
826 | } |
827 | else | |
828 | for (i = 0; i < n; i++) | |
fca177d4 KL |
829 | OUTPUT1 (tty, tty->TS_del_char); |
830 | if (!tty->delete_in_insert_mode) | |
831 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
832 | } |
833 | \f | |
da8e1115 KL |
834 | /* An implementation of ins_del_lines for termcap frames. */ |
835 | ||
ed8dad6b | 836 | static void |
385ed61f | 837 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
3224dac1 | 838 | { |
3224dac1 KL |
839 | struct tty_display_info *tty = FRAME_TTY (f); |
840 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
841 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
842 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
843 | ||
844 | register int i = n > 0 ? n : -n; | |
845 | register char *buf; | |
846 | ||
847 | /* If the lines below the insertion are being pushed | |
848 | into the end of the window, this is the same as clearing; | |
849 | and we know the lines are already clear, since the matching | |
850 | deletion has already been done. So can ignore this. */ | |
851 | /* If the lines below the deletion are blank lines coming | |
852 | out of the end of the window, don't bother, | |
853 | as there will be a matching inslines later that will flush them. */ | |
854 | if (FRAME_SCROLL_REGION_OK (f) | |
855 | && vpos + i >= tty->specified_window) | |
856 | return; | |
857 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
858 | && vpos + i >= FRAME_LINES (f)) | |
859 | return; | |
860 | ||
861 | if (multi) | |
08a24c47 | 862 | { |
6839f1e2 | 863 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 864 | tty_background_highlight (tty); |
3224dac1 KL |
865 | buf = tparam (multi, 0, 0, i); |
866 | OUTPUT (tty, buf); | |
867 | xfree (buf); | |
868 | } | |
869 | else if (single) | |
870 | { | |
6839f1e2 | 871 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 872 | tty_background_highlight (tty); |
3224dac1 KL |
873 | while (--i >= 0) |
874 | OUTPUT (tty, single); | |
875 | if (tty->TF_teleray) | |
876 | curX (tty) = 0; | |
08a24c47 | 877 | } |
08a24c47 JB |
878 | else |
879 | { | |
ed8dad6b | 880 | tty_set_scroll_region (f, vpos, tty->specified_window); |
3224dac1 | 881 | if (n < 0) |
6839f1e2 | 882 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 883 | else |
6839f1e2 | 884 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 885 | tty_background_highlight (tty); |
3224dac1 KL |
886 | while (--i >= 0) |
887 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
ed8dad6b | 888 | tty_set_scroll_region (f, 0, tty->specified_window); |
3224dac1 KL |
889 | } |
890 | ||
891 | if (!FRAME_SCROLL_REGION_OK (f) | |
892 | && FRAME_MEMORY_BELOW_FRAME (f) | |
893 | && n < 0) | |
894 | { | |
385ed61f KL |
895 | cursor_to (f, FRAME_LINES (f) + n, 0); |
896 | clear_to_end (f); | |
08a24c47 JB |
897 | } |
898 | } | |
899 | \f | |
900 | /* Compute cost of sending "str", in characters, | |
901 | not counting any line-dependent padding. */ | |
902 | ||
903 | int | |
6839f1e2 | 904 | string_cost (char *str) |
08a24c47 JB |
905 | { |
906 | cost = 0; | |
907 | if (str) | |
908 | tputs (str, 0, evalcost); | |
909 | return cost; | |
910 | } | |
911 | ||
912 | /* Compute cost of sending "str", in characters, | |
913 | counting any line-dependent padding at one line. */ | |
914 | ||
915 | static int | |
6839f1e2 | 916 | string_cost_one_line (char *str) |
08a24c47 JB |
917 | { |
918 | cost = 0; | |
919 | if (str) | |
920 | tputs (str, 1, evalcost); | |
921 | return cost; | |
922 | } | |
923 | ||
924 | /* Compute per line amount of line-dependent padding, | |
925 | in tenths of characters. */ | |
926 | ||
927 | int | |
6839f1e2 | 928 | per_line_cost (char *str) |
08a24c47 JB |
929 | { |
930 | cost = 0; | |
931 | if (str) | |
932 | tputs (str, 0, evalcost); | |
933 | cost = - cost; | |
934 | if (str) | |
935 | tputs (str, 10, evalcost); | |
936 | return cost; | |
937 | } | |
938 | ||
939 | #ifndef old | |
940 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 941 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 942 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
943 | |
944 | int *char_ins_del_vector; | |
945 | ||
9882535b | 946 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
947 | #endif |
948 | ||
949 | /* ARGSUSED */ | |
950 | static void | |
6839f1e2 | 951 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 952 | { |
28d7d09f | 953 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
954 | int ins_startup_cost, del_startup_cost; |
955 | int ins_cost_per_char, del_cost_per_char; | |
956 | register int i; | |
957 | register int *p; | |
958 | ||
fca177d4 | 959 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
960 | { |
961 | ins_cost_per_char = 0; | |
fca177d4 | 962 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 963 | } |
fca177d4 KL |
964 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
965 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 966 | { |
fca177d4 KL |
967 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
968 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
969 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
970 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
971 | } |
972 | else | |
973 | { | |
974 | ins_startup_cost = 9999; | |
975 | ins_cost_per_char = 0; | |
976 | } | |
977 | ||
fca177d4 | 978 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
979 | { |
980 | del_cost_per_char = 0; | |
fca177d4 | 981 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 982 | } |
fca177d4 | 983 | else if (tty->TS_del_char) |
08a24c47 | 984 | { |
fca177d4 KL |
985 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
986 | + string_cost (tty->TS_end_delete_mode)); | |
987 | if (tty->delete_in_insert_mode) | |
08a24c47 | 988 | del_startup_cost /= 2; |
fca177d4 | 989 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
990 | } |
991 | else | |
992 | { | |
993 | del_startup_cost = 9999; | |
994 | del_cost_per_char = 0; | |
995 | } | |
996 | ||
997 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
998 | p = &char_ins_del_cost (f)[0]; |
999 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1000 | *--p = (del_startup_cost += del_cost_per_char); |
1001 | ||
1002 | /* Doing nothing is free */ | |
fca177d4 | 1003 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1004 | *p++ = 0; |
1005 | ||
1006 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1007 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1008 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1009 | } | |
1010 | ||
dfcf069d | 1011 | void |
6839f1e2 | 1012 | calculate_costs (struct frame *frame) |
08a24c47 | 1013 | { |
9f732a77 | 1014 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1015 | |
28d440ab | 1016 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1017 | { |
1018 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1019 | register char *f = (tty->TS_set_scroll_region | |
1020 | ? tty->TS_set_scroll_region | |
1021 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1022 | |
daf01701 | 1023 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1024 | |
daf01701 | 1025 | tty->costs_set = 1; |
08a24c47 | 1026 | |
daf01701 KL |
1027 | /* These variables are only used for terminal stuff. They are |
1028 | allocated once for the terminal frame of X-windows emacs, but not | |
1029 | used afterwards. | |
8dd0c7cb | 1030 | |
daf01701 KL |
1031 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1032 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1033 | |
daf01701 KL |
1034 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1035 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1036 | |
daf01701 KL |
1037 | if (char_ins_del_vector != 0) |
1038 | char_ins_del_vector | |
1039 | = (int *) xrealloc (char_ins_del_vector, | |
1040 | (sizeof (int) | |
1041 | + 2 * max_frame_cols * sizeof (int))); | |
1042 | else | |
1043 | char_ins_del_vector | |
1044 | = (int *) xmalloc (sizeof (int) | |
1045 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1046 | |
daf01701 KL |
1047 | bzero (char_ins_del_vector, (sizeof (int) |
1048 | + 2 * max_frame_cols * sizeof (int))); | |
1049 | ||
1050 | ||
1051 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1052 | do_line_insertion_deletion_costs (frame, | |
1053 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1054 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1055 | f, f, 1); | |
1056 | else | |
1057 | do_line_insertion_deletion_costs (frame, | |
1058 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1059 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1060 | 0, 0, 1); | |
1061 | ||
1062 | calculate_ins_del_char_costs (frame); | |
1063 | ||
1064 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1065 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1066 | tty->RPov = string_cost (tty->TS_repeat); | |
1067 | else | |
1068 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1069 | |
daf01701 KL |
1070 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1071 | } | |
08a24c47 JB |
1072 | } |
1073 | \f | |
a796ac82 JB |
1074 | struct fkey_table { |
1075 | char *cap, *name; | |
1076 | }; | |
1077 | ||
01d8deb0 ER |
1078 | /* Termcap capability names that correspond directly to X keysyms. |
1079 | Some of these (marked "terminfo") aren't supplied by old-style | |
1080 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1081 | except we put the keypad keys first, so that if they clash with | |
1082 | other keys (as on the IBM PC keyboard) they get overridden. | |
1083 | */ | |
1084 | ||
a168702a GM |
1085 | static struct fkey_table keys[] = |
1086 | { | |
8103ad1a PJ |
1087 | {"kh", "home"}, /* termcap */ |
1088 | {"kl", "left"}, /* termcap */ | |
1089 | {"ku", "up"}, /* termcap */ | |
1090 | {"kr", "right"}, /* termcap */ | |
1091 | {"kd", "down"}, /* termcap */ | |
1092 | {"%8", "prior"}, /* terminfo */ | |
1093 | {"%5", "next"}, /* terminfo */ | |
1094 | {"@7", "end"}, /* terminfo */ | |
1095 | {"@1", "begin"}, /* terminfo */ | |
1096 | {"*6", "select"}, /* terminfo */ | |
1097 | {"%9", "print"}, /* terminfo */ | |
1098 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1099 | /* |
1100 | * "insert" --- see below | |
1101 | */ | |
8103ad1a PJ |
1102 | {"&8", "undo"}, /* terminfo */ |
1103 | {"%0", "redo"}, /* terminfo */ | |
1104 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1105 | {"@0", "find"}, /* terminfo */ | |
1106 | {"@2", "cancel"}, /* terminfo */ | |
1107 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1108 | /* |
1109 | * "break" goes here, but can't be reliably intercepted with termcap | |
1110 | */ | |
8103ad1a | 1111 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1112 | /* |
1113 | * "system" and "user" --- no termcaps | |
1114 | */ | |
8103ad1a PJ |
1115 | {"kE", "clearline"}, /* terminfo */ |
1116 | {"kA", "insertline"}, /* terminfo */ | |
1117 | {"kL", "deleteline"}, /* terminfo */ | |
1118 | {"kI", "insertchar"}, /* terminfo */ | |
1119 | {"kD", "deletechar"}, /* terminfo */ | |
1120 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1121 | /* |
1122 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1123 | */ | |
8103ad1a | 1124 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1125 | /* |
1126 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1127 | * "kp-multiply", "kp-add", "kp-separator", | |
1128 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1129 | * --- no termcaps for any of these. | |
1130 | */ | |
8103ad1a | 1131 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1132 | /* |
1133 | * "kp-2" --- no termcap | |
1134 | */ | |
8103ad1a | 1135 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1136 | /* |
1137 | * "kp-4" --- no termcap | |
1138 | */ | |
8103ad1a | 1139 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1140 | /* |
1141 | * "kp-6" --- no termcap | |
1142 | */ | |
8103ad1a | 1143 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1144 | /* |
1145 | * "kp-8" --- no termcap | |
1146 | */ | |
8103ad1a | 1147 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1148 | /* |
1149 | * "kp-equal" --- no termcap | |
1150 | */ | |
8103ad1a PJ |
1151 | {"k1", "f1"}, |
1152 | {"k2", "f2"}, | |
1153 | {"k3", "f3"}, | |
1154 | {"k4", "f4"}, | |
1155 | {"k5", "f5"}, | |
1156 | {"k6", "f6"}, | |
1157 | {"k7", "f7"}, | |
1158 | {"k8", "f8"}, | |
60ec7b7e DN |
1159 | {"k9", "f9"}, |
1160 | ||
1161 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1162 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1163 | {"*0", "S-find"}, /*shifted find key*/ | |
1164 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1165 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1166 | {"*7", "S-end"}, /*shifted end key*/ | |
1167 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1168 | {"#1", "S-help"}, /*shifted help key*/ | |
1169 | {"#2", "S-home"}, /*shifted home key*/ | |
1170 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1171 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1172 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1173 | {"%c", "S-next"}, /*shifted next key*/ | |
1174 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1175 | {"%f", "S-print"}, /*shifted print key*/ | |
1176 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1177 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1178 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1179 | }; |
1180 | ||
e7cf0fa0 KL |
1181 | static char **term_get_fkeys_address; |
1182 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1183 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1184 | |
01d8deb0 | 1185 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1186 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1187 | adds entries to Vfunction_key_map for each function key it finds. */ |
1188 | ||
ed8dad6b | 1189 | static void |
e7cf0fa0 | 1190 | term_get_fkeys (address, kboard) |
5c2c7893 | 1191 | char **address; |
e7cf0fa0 | 1192 | KBOARD *kboard; |
f2a00342 RM |
1193 | { |
1194 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1195 | errors during the call. The only errors should be from Fdefine_key | |
1196 | when given a key sequence containing an invalid prefix key. If the | |
1197 | termcap defines function keys which use a prefix that is already bound | |
1198 | to a command by the default bindings, we should silently ignore that | |
1199 | function key specification, rather than giving the user an error and | |
1200 | refusing to run at all on such a terminal. */ | |
1201 | ||
1202 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1203 | term_get_fkeys_address = address; |
1204 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1205 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1206 | } | |
1207 | ||
1208 | static Lisp_Object | |
1209 | term_get_fkeys_1 () | |
5c2c7893 | 1210 | { |
5c2c7893 JB |
1211 | int i; |
1212 | ||
e7cf0fa0 KL |
1213 | char **address = term_get_fkeys_address; |
1214 | KBOARD *kboard = term_get_fkeys_kboard; | |
1215 | ||
3e65092f RS |
1216 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1217 | if (!initialized) | |
ac09dc1e | 1218 | kboard->Vlocal_function_key_map = Fmake_sparse_keymap (Qnil); |
3e65092f | 1219 | |
5c2c7893 JB |
1220 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1221 | { | |
1222 | char *sequence = tgetstr (keys[i].cap, address); | |
1223 | if (sequence) | |
ac09dc1e | 1224 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (sequence), |
f2a00342 RM |
1225 | Fmake_vector (make_number (1), |
1226 | intern (keys[i].name))); | |
5c2c7893 | 1227 | } |
a796ac82 JB |
1228 | |
1229 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1230 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1231 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1232 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1233 | */ | |
1234 | { | |
1235 | char *k_semi = tgetstr ("k;", address); | |
1236 | char *k0 = tgetstr ("k0", address); | |
1237 | char *k0_name = "f10"; | |
1238 | ||
1239 | if (k_semi) | |
1240 | { | |
95c11956 SM |
1241 | if (k0) |
1242 | /* Define f0 first, so that f10 takes precedence in case the | |
1243 | key sequences happens to be the same. */ | |
ac09dc1e | 1244 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (k0), |
95c11956 | 1245 | Fmake_vector (make_number (1), intern ("f0"))); |
ac09dc1e | 1246 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (k_semi), |
f2a00342 | 1247 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1248 | } |
95c11956 | 1249 | else if (k0) |
ac09dc1e | 1250 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (k0), |
f2a00342 | 1251 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1252 | } |
01d8deb0 ER |
1253 | |
1254 | /* Set up cookies for numbered function keys above f10. */ | |
1255 | { | |
1256 | char fcap[3], fkey[4]; | |
1257 | ||
fc4f24da | 1258 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1259 | for (i = 11; i < 64; i++) |
1260 | { | |
1261 | if (i <= 19) | |
1262 | fcap[1] = '1' + i - 11; | |
1263 | else if (i <= 45) | |
b59ab95c | 1264 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1265 | else |
b59ab95c | 1266 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1267 | |
fc4f24da RS |
1268 | { |
1269 | char *sequence = tgetstr (fcap, address); | |
1270 | if (sequence) | |
1271 | { | |
465db27b | 1272 | sprintf (fkey, "f%d", i); |
ac09dc1e | 1273 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (sequence), |
f2a00342 RM |
1274 | Fmake_vector (make_number (1), |
1275 | intern (fkey))); | |
fc4f24da RS |
1276 | } |
1277 | } | |
01d8deb0 ER |
1278 | } |
1279 | } | |
1280 | ||
1281 | /* | |
1282 | * Various mappings to try and get a better fit. | |
1283 | */ | |
1284 | { | |
fc4f24da RS |
1285 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1286 | if (!tgetstr (cap1, address)) \ | |
1287 | { \ | |
1288 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1289 | if (sequence) \ |
ac09dc1e | 1290 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (sequence), \ |
e7cf0fa0 KL |
1291 | Fmake_vector (make_number (1), \ |
1292 | intern (sym))); \ | |
fc4f24da | 1293 | } |
177c0ea7 | 1294 | |
01d8deb0 | 1295 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1296 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1297 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1298 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1299 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1300 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1301 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1302 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1303 | |
1304 | /* IBM has their own non-standard dialect of terminfo. | |
1305 | If the standard name isn't found, try the IBM name. */ | |
1306 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1307 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1308 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1309 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1310 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1311 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1312 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1313 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1314 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1315 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1316 | } |
a168702a GM |
1317 | |
1318 | return Qnil; | |
5c2c7893 JB |
1319 | } |
1320 | ||
1321 | \f | |
a168702a GM |
1322 | /*********************************************************************** |
1323 | Character Display Information | |
1324 | ***********************************************************************/ | |
1325 | ||
1326 | static void append_glyph P_ ((struct it *)); | |
f46c2aff | 1327 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1328 | |
1329 | ||
1330 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1331 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1332 | the character for which to produce glyphs; IT->face_id contains the | |
1333 | character's face. Padding glyphs are appended if IT->c has a | |
1334 | IT->pixel_width > 1. */ | |
177c0ea7 | 1335 | |
a168702a GM |
1336 | static void |
1337 | append_glyph (it) | |
1338 | struct it *it; | |
1339 | { | |
1340 | struct glyph *glyph, *end; | |
1341 | int i; | |
1342 | ||
1343 | xassert (it->glyph_row); | |
1344 | glyph = (it->glyph_row->glyphs[it->area] | |
1345 | + it->glyph_row->used[it->area]); | |
1346 | end = it->glyph_row->glyphs[1 + it->area]; | |
1347 | ||
177c0ea7 JB |
1348 | for (i = 0; |
1349 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1350 | ++i) |
1351 | { | |
1352 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1353 | glyph->pixel_width = 1; |
d2b4c17d | 1354 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1355 | glyph->face_id = it->face_id; |
1356 | glyph->padding_p = i > 0; | |
a168702a GM |
1357 | glyph->charpos = CHARPOS (it->position); |
1358 | glyph->object = it->object; | |
177c0ea7 | 1359 | |
a168702a GM |
1360 | ++it->glyph_row->used[it->area]; |
1361 | ++glyph; | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | ||
b50fe468 RS |
1366 | /* Produce glyphs for the display element described by IT. *IT |
1367 | specifies what we want to produce a glyph for (character, image, ...), | |
1368 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1369 | produce_glyphs fills in output fields of *IT with information such as the | |
1370 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1371 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1372 | struct display_iterator in dispextern.h for an overview. |
1373 | ||
1374 | produce_glyphs also stores the result of glyph width, ascent | |
1375 | etc. computations in *IT. | |
1376 | ||
1377 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1378 | actually fill in the glyphs. This is used in the move_* functions | |
1379 | in xdisp.c for text width and height computations. | |
1380 | ||
1381 | Callers usually don't call produce_glyphs directly; | |
1382 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1383 | |
177c0ea7 | 1384 | void |
a168702a GM |
1385 | produce_glyphs (it) |
1386 | struct it *it; | |
1387 | { | |
1388 | /* If a hook is installed, let it do the work. */ | |
1389 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1390 | || it->what == IT_COMPOSITION |
a168702a | 1391 | || it->what == IT_STRETCH); |
177c0ea7 | 1392 | |
f46c2aff KS |
1393 | if (it->what == IT_STRETCH) |
1394 | { | |
1395 | produce_stretch_glyph (it); | |
1396 | goto done; | |
1397 | } | |
1398 | ||
c7cba11d KH |
1399 | /* Nothing but characters are supported on terminal frames. For a |
1400 | composition sequence, it->c is the first character of the | |
1401 | sequence. */ | |
1402 | xassert (it->what == IT_CHARACTER | |
1403 | || it->what == IT_COMPOSITION); | |
a168702a | 1404 | |
d2b4c17d KH |
1405 | /* Maybe translate single-byte characters to multibyte. */ |
1406 | it->char_to_display = it->c; | |
1407 | ||
a168702a GM |
1408 | if (it->c >= 040 && it->c < 0177) |
1409 | { | |
1410 | it->pixel_width = it->nglyphs = 1; | |
1411 | if (it->glyph_row) | |
1412 | append_glyph (it); | |
1413 | } | |
1414 | else if (it->c == '\n') | |
1415 | it->pixel_width = it->nglyphs = 0; | |
1416 | else if (it->c == '\t') | |
1417 | { | |
2efdbcdd | 1418 | int absolute_x = (it->current_x |
a168702a | 1419 | + it->continuation_lines_width); |
177c0ea7 JB |
1420 | int next_tab_x |
1421 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1422 | / it->tab_width) |
1423 | * it->tab_width); | |
1424 | int nspaces; | |
1425 | ||
1426 | /* If part of the TAB has been displayed on the previous line | |
1427 | which is continued now, continuation_lines_width will have | |
1428 | been incremented already by the part that fitted on the | |
1429 | continued line. So, we will get the right number of spaces | |
1430 | here. */ | |
1431 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1432 | |
a168702a GM |
1433 | if (it->glyph_row) |
1434 | { | |
1435 | int n = nspaces; | |
177c0ea7 | 1436 | |
d2b4c17d | 1437 | it->char_to_display = ' '; |
a168702a | 1438 | it->pixel_width = it->len = 1; |
177c0ea7 | 1439 | |
a168702a GM |
1440 | while (n--) |
1441 | append_glyph (it); | |
a168702a GM |
1442 | } |
1443 | ||
1444 | it->pixel_width = nspaces; | |
1445 | it->nglyphs = nspaces; | |
1446 | } | |
add44890 EZ |
1447 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1448 | { | |
d2b4c17d KH |
1449 | if (unibyte_display_via_language_environment |
1450 | && (it->c >= 0240 | |
1451 | || !NILP (Vnonascii_translation_table))) | |
1452 | { | |
1453 | int charset; | |
1454 | ||
1455 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1456 | charset = CHAR_CHARSET (it->char_to_display); | |
1457 | it->pixel_width = CHARSET_WIDTH (charset); | |
1458 | it->nglyphs = it->pixel_width; | |
1459 | if (it->glyph_row) | |
1460 | append_glyph (it); | |
1461 | } | |
1462 | else | |
1463 | { | |
1464 | /* Coming here means that it->c is from display table, thus we | |
1465 | must send the code as is to the terminal. Although there's | |
1466 | no way to know how many columns it occupies on a screen, it | |
1467 | is a good assumption that a single byte code has 1-column | |
1468 | width. */ | |
1469 | it->pixel_width = it->nglyphs = 1; | |
1470 | if (it->glyph_row) | |
1471 | append_glyph (it); | |
1472 | } | |
add44890 | 1473 | } |
a168702a GM |
1474 | else |
1475 | { | |
c7cba11d KH |
1476 | /* A multi-byte character. The display width is fixed for all |
1477 | characters of the set. Some of the glyphs may have to be | |
1478 | ignored because they are already displayed in a continued | |
1479 | line. */ | |
a168702a GM |
1480 | int charset = CHAR_CHARSET (it->c); |
1481 | ||
c7cba11d | 1482 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1483 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1484 | |
a168702a GM |
1485 | if (it->glyph_row) |
1486 | append_glyph (it); | |
1487 | } | |
1488 | ||
f46c2aff | 1489 | done: |
177c0ea7 | 1490 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1491 | the caller. */ |
1492 | if (it->area == TEXT_AREA) | |
1493 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1494 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1495 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1496 | } |
1497 | ||
1498 | ||
f46c2aff KS |
1499 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1500 | of the glyph property displayed. The value must be a list | |
1501 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1502 | being recognized: | |
1503 | ||
1504 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1505 | canonical char width wide. WIDTH may be an integer or floating | |
1506 | point number. | |
1507 | ||
1508 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1509 | to reach HPOS, a value in canonical character units. */ | |
1510 | ||
1511 | static void | |
1512 | produce_stretch_glyph (it) | |
1513 | struct it *it; | |
1514 | { | |
1515 | /* (space :width WIDTH ...) */ | |
1516 | Lisp_Object prop, plist; | |
1517 | int width = 0, align_to = -1; | |
1518 | int zero_width_ok_p = 0; | |
1519 | double tem; | |
1520 | ||
1521 | /* List should start with `space'. */ | |
1522 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1523 | plist = XCDR (it->object); | |
1524 | ||
1525 | /* Compute the width of the stretch. */ | |
1526 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1527 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1528 | { | |
1529 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1530 | zero_width_ok_p = 1; | |
1531 | width = (int)(tem + 0.5); | |
1532 | } | |
1533 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1534 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1535 | { | |
1536 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1537 | align_to = (align_to < 0 |
f46c2aff KS |
1538 | ? 0 |
1539 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1540 | else if (align_to < 0) | |
1541 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1542 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1543 | zero_width_ok_p = 1; | |
1544 | } | |
1545 | else | |
1546 | /* Nothing specified -> width defaults to canonical char width. */ | |
1547 | width = FRAME_COLUMN_WIDTH (it->f); | |
1548 | ||
1549 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1550 | width = 1; | |
1551 | ||
1552 | if (width > 0 && it->glyph_row) | |
1553 | { | |
1554 | Lisp_Object o_object = it->object; | |
1555 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1556 | int n = width; | |
f46c2aff KS |
1557 | |
1558 | if (!STRINGP (object)) | |
1559 | object = it->w->buffer; | |
1560 | it->object = object; | |
d2b4c17d | 1561 | it->char_to_display = ' '; |
f46c2aff KS |
1562 | it->pixel_width = it->len = 1; |
1563 | while (n--) | |
1564 | append_glyph (it); | |
1565 | it->object = o_object; | |
f46c2aff KS |
1566 | } |
1567 | it->pixel_width = width; | |
1568 | it->nglyphs = width; | |
1569 | } | |
1570 | ||
1571 | ||
a168702a GM |
1572 | /* Get information about special display element WHAT in an |
1573 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1574 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1575 | non-null glyph_row member. This function ensures that fields like | |
1576 | face_id, c, len of IT are left untouched. */ | |
1577 | ||
1578 | void | |
1579 | produce_special_glyphs (it, what) | |
1580 | struct it *it; | |
1581 | enum display_element_type what; | |
1582 | { | |
1583 | struct it temp_it; | |
072d84a6 | 1584 | GLYPH glyph; |
177c0ea7 | 1585 | |
a168702a GM |
1586 | temp_it = *it; |
1587 | temp_it.dp = NULL; | |
1588 | temp_it.what = IT_CHARACTER; | |
1589 | temp_it.len = 1; | |
7c752c80 | 1590 | temp_it.object = make_number (0); |
a168702a GM |
1591 | bzero (&temp_it.current, sizeof temp_it.current); |
1592 | ||
1593 | if (what == IT_CONTINUATION) | |
1594 | { | |
1595 | /* Continuation glyph. */ | |
1596 | if (it->dp | |
1597 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1598 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1599 | { | |
072d84a6 RS |
1600 | glyph = XINT (DISP_CONTINUE_GLYPH (it->dp)); |
1601 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1602 | } |
1603 | else | |
072d84a6 | 1604 | glyph = '\\'; |
a168702a GM |
1605 | } |
1606 | else if (what == IT_TRUNCATION) | |
1607 | { | |
1608 | /* Truncation glyph. */ | |
1609 | if (it->dp | |
1610 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1611 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1612 | { | |
072d84a6 RS |
1613 | glyph = XINT (DISP_TRUNC_GLYPH (it->dp)); |
1614 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1615 | } |
1616 | else | |
072d84a6 | 1617 | glyph = '$'; |
a168702a GM |
1618 | } |
1619 | else | |
1620 | abort (); | |
072d84a6 RS |
1621 | |
1622 | temp_it.c = FAST_GLYPH_CHAR (glyph); | |
1623 | temp_it.face_id = FAST_GLYPH_FACE (glyph); | |
1624 | temp_it.len = CHAR_BYTES (temp_it.c); | |
1625 | ||
1626 | produce_glyphs (&temp_it); | |
1627 | it->pixel_width = temp_it.pixel_width; | |
1628 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1629 | } |
1630 | ||
1631 | ||
a168702a GM |
1632 | \f |
1633 | /*********************************************************************** | |
1634 | Faces | |
1635 | ***********************************************************************/ | |
1636 | ||
4e6ba4a4 GM |
1637 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1638 | one of the enumerators from enum no_color_bit, or a bit set built | |
1639 | from them. Some display attributes may not be used together with | |
1640 | color; the termcap capability `NC' specifies which ones. */ | |
1641 | ||
fca177d4 KL |
1642 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1643 | (tty->TN_max_colors > 0 \ | |
1644 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1645 | : 1) | |
a168702a | 1646 | |
072d84a6 RS |
1647 | /* Turn appearances of face FACE_ID on tty frame F on. |
1648 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1649 | |
1650 | static void | |
1651 | turn_on_face (f, face_id) | |
1652 | struct frame *f; | |
1653 | int face_id; | |
1654 | { | |
1655 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1656 | long fg = face->foreground; |
1657 | long bg = face->background; | |
28d7d09f | 1658 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1659 | |
86a7d192 GM |
1660 | /* Do this first because TS_end_standout_mode may be the same |
1661 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1662 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1663 | { |
fca177d4 | 1664 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1665 | { |
1666 | if (fg >= 0 && bg >= 0) | |
1667 | { | |
1668 | /* If the terminal supports colors, we can set them | |
1669 | below without using reverse video. The face's fg | |
1670 | and bg colors are set as they should appear on | |
1671 | the screen, i.e. they take the inverse-video'ness | |
1672 | of the face already into account. */ | |
1673 | } | |
1674 | else if (inverse_video) | |
1675 | { | |
1676 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1677 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1678 | tty_toggle_highlight (tty); |
86a7d192 GM |
1679 | } |
1680 | else | |
1681 | { | |
1682 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1683 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1684 | tty_toggle_highlight (tty); |
86a7d192 GM |
1685 | } |
1686 | } | |
1687 | else | |
1688 | { | |
1689 | /* If we can't display colors, use reverse video | |
1690 | if the face specifies that. */ | |
37526b42 GM |
1691 | if (inverse_video) |
1692 | { | |
1693 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1694 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1695 | tty_toggle_highlight (tty); |
37526b42 GM |
1696 | } |
1697 | else | |
1698 | { | |
1699 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1700 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1701 | tty_toggle_highlight (tty); |
37526b42 | 1702 | } |
86a7d192 GM |
1703 | } |
1704 | } | |
a168702a GM |
1705 | |
1706 | if (face->tty_bold_p) | |
4e6ba4a4 | 1707 | { |
fca177d4 KL |
1708 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1709 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1710 | } |
a168702a | 1711 | else if (face->tty_dim_p) |
fca177d4 KL |
1712 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1713 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1714 | |
1715 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1716 | if (face->tty_alt_charset_p |
fca177d4 KL |
1717 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1718 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1719 | |
4e6ba4a4 | 1720 | if (face->tty_blinking_p |
fca177d4 KL |
1721 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1722 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1723 | |
fca177d4 KL |
1724 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1725 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1726 | |
fca177d4 | 1727 | if (tty->TN_max_colors > 0) |
a168702a | 1728 | { |
753d161b | 1729 | char *ts, *p; |
177c0ea7 | 1730 | |
fbf34973 | 1731 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1732 | if (fg >= 0 && ts) |
a168702a | 1733 | { |
fbf34973 | 1734 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 1735 | OUTPUT (tty, p); |
a168702a GM |
1736 | xfree (p); |
1737 | } | |
1738 | ||
fbf34973 | 1739 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1740 | if (bg >= 0 && ts) |
a168702a | 1741 | { |
fbf34973 | 1742 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 1743 | OUTPUT (tty, p); |
a168702a GM |
1744 | xfree (p); |
1745 | } | |
1746 | } | |
1747 | } | |
177c0ea7 | 1748 | |
a168702a GM |
1749 | |
1750 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1751 | ||
1752 | static void | |
1753 | turn_off_face (f, face_id) | |
1754 | struct frame *f; | |
1755 | int face_id; | |
1756 | { | |
1757 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1758 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1759 | |
1760 | xassert (face != NULL); | |
1761 | ||
fca177d4 | 1762 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1763 | { |
1764 | /* Capability "me" will turn off appearance modes double-bright, | |
1765 | half-bright, reverse-video, standout, underline. It may or | |
1766 | may not turn off alt-char-mode. */ | |
1767 | if (face->tty_bold_p | |
1768 | || face->tty_dim_p | |
1769 | || face->tty_reverse_p | |
1770 | || face->tty_alt_charset_p | |
1771 | || face->tty_blinking_p | |
1772 | || face->tty_underline_p) | |
65aa5e85 | 1773 | { |
fca177d4 KL |
1774 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1775 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1776 | tty->standout_mode = 0; | |
65aa5e85 | 1777 | } |
a168702a GM |
1778 | |
1779 | if (face->tty_alt_charset_p) | |
fca177d4 | 1780 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1781 | } |
1782 | else | |
1783 | { | |
1784 | /* If we don't have "me" we can only have those appearances | |
1785 | that have exit sequences defined. */ | |
1786 | if (face->tty_alt_charset_p) | |
fca177d4 | 1787 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1788 | |
54800acb | 1789 | if (face->tty_underline_p) |
fca177d4 | 1790 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1791 | } |
1792 | ||
1793 | /* Switch back to default colors. */ | |
fca177d4 | 1794 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1795 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1796 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1797 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1798 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1799 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1800 | } |
177c0ea7 JB |
1801 | |
1802 | ||
b63a55ac MB |
1803 | /* Return non-zero if the terminal on frame F supports all of the |
1804 | capabilities in CAPS simultaneously, with foreground and background | |
1805 | colors FG and BG. */ | |
1806 | ||
4a8130f2 | 1807 | int |
fca177d4 | 1808 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1809 | struct tty_display_info *tty; |
b63a55ac MB |
1810 | unsigned caps; |
1811 | unsigned long fg, bg; | |
1812 | { | |
fca177d4 KL |
1813 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1814 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1815 | return 0; |
1816 | ||
fca177d4 KL |
1817 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1818 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1819 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1820 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1821 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1822 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1823 | |
1824 | /* We can do it! */ | |
1825 | return 1; | |
1826 | } | |
1827 | ||
a168702a GM |
1828 | /* Return non-zero if the terminal is capable to display colors. */ |
1829 | ||
1830 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1831 | 0, 1, 0, |
6ed8eeff KL |
1832 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
1833 | ||
1834 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
1835 | frame's terminal). This function always returns nil if TERMINAL | |
1836 | is not on a tty device. */) | |
1837 | (terminal) | |
1838 | Lisp_Object terminal; | |
a168702a | 1839 | { |
6ed8eeff KL |
1840 | struct terminal *t = get_tty_terminal (terminal); |
1841 | if (!t) | |
428a555e | 1842 | return Qnil; |
3224dac1 | 1843 | else |
6ed8eeff | 1844 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
1845 | } |
1846 | ||
bfa62f96 EZ |
1847 | /* Return the number of supported colors. */ |
1848 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1849 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
1850 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
1851 | ||
1852 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
1853 | frame's terminal). This function always returns nil if TERMINAL | |
1854 | is not on a tty device. */) | |
1855 | (terminal) | |
1856 | Lisp_Object terminal; | |
bfa62f96 | 1857 | { |
6ed8eeff KL |
1858 | struct terminal *t = get_tty_terminal (terminal); |
1859 | if (!t) | |
8c8d5f35 | 1860 | return make_number (0); |
3224dac1 | 1861 | else |
6ed8eeff | 1862 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
1863 | } |
1864 | ||
ace28297 | 1865 | #ifndef WINDOWSNT |
a168702a | 1866 | |
ace28297 EZ |
1867 | /* Save or restore the default color-related capabilities of this |
1868 | terminal. */ | |
1869 | static void | |
28d7d09f | 1870 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 EZ |
1871 | { |
1872 | static char | |
1873 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
1874 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
1875 | ||
1876 | if (save) | |
1877 | { | |
1878 | if (default_orig_pair) | |
1879 | xfree (default_orig_pair); | |
fca177d4 | 1880 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1881 | |
1882 | if (default_set_foreground) | |
1883 | xfree (default_set_foreground); | |
fca177d4 | 1884 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
1885 | : NULL; |
1886 | ||
1887 | if (default_set_background) | |
1888 | xfree (default_set_background); | |
fca177d4 | 1889 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
1890 | : NULL; |
1891 | ||
fca177d4 KL |
1892 | default_max_colors = tty->TN_max_colors; |
1893 | default_max_pairs = tty->TN_max_pairs; | |
1894 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
1895 | } |
1896 | else | |
1897 | { | |
fca177d4 KL |
1898 | tty->TS_orig_pair = default_orig_pair; |
1899 | tty->TS_set_foreground = default_set_foreground; | |
1900 | tty->TS_set_background = default_set_background; | |
1901 | tty->TN_max_colors = default_max_colors; | |
1902 | tty->TN_max_pairs = default_max_pairs; | |
1903 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
1904 | } |
1905 | } | |
1906 | ||
1907 | /* Setup one of the standard tty color schemes according to MODE. | |
1908 | MODE's value is generally the number of colors which we want to | |
1909 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 1910 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 1911 | static void |
28d7d09f | 1912 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 1913 | { |
40409f05 EZ |
1914 | /* Canonicalize all negative values of MODE. */ |
1915 | if (mode < -1) | |
1916 | mode = -1; | |
1917 | ||
ace28297 EZ |
1918 | switch (mode) |
1919 | { | |
1920 | case -1: /* no colors at all */ | |
fca177d4 KL |
1921 | tty->TN_max_colors = 0; |
1922 | tty->TN_max_pairs = 0; | |
1923 | tty->TN_no_color_video = 0; | |
1924 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
1925 | break; |
1926 | case 0: /* default colors, if any */ | |
1927 | default: | |
fca177d4 | 1928 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
1929 | break; |
1930 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 1931 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 1932 | #ifdef TERMINFO |
fca177d4 KL |
1933 | tty->TS_set_foreground = "\033[3%p1%dm"; |
1934 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 1935 | #else |
fca177d4 KL |
1936 | tty->TS_set_foreground = "\033[3%dm"; |
1937 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 1938 | #endif |
fca177d4 KL |
1939 | tty->TN_max_colors = 8; |
1940 | tty->TN_max_pairs = 64; | |
1941 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
1942 | break; |
1943 | } | |
1944 | } | |
1945 | ||
1946 | void | |
1947 | set_tty_color_mode (f, val) | |
1948 | struct frame *f; | |
1949 | Lisp_Object val; | |
1950 | { | |
dfc7a077 | 1951 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
1952 | Lisp_Object color_mode, current_mode; |
1953 | int mode, old_mode; | |
1954 | extern Lisp_Object Qtty_color_mode; | |
1955 | Lisp_Object tty_color_mode_alist; | |
1956 | ||
1957 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
1958 | Qnil); | |
1959 | ||
9ac61a89 | 1960 | if (INTEGERP (val)) |
ace28297 EZ |
1961 | color_mode = val; |
1962 | else | |
1963 | { | |
1964 | if (NILP (tty_color_mode_alist)) | |
1965 | color_mode_spec = Qnil; | |
1966 | else | |
1967 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
1968 | |
1969 | if (CONSP (color_mode_spec)) | |
1970 | color_mode = XCDR (color_mode_spec); | |
1971 | else | |
1972 | color_mode = Qnil; | |
1973 | } | |
545d91d5 RS |
1974 | |
1975 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
1976 | ||
ace28297 EZ |
1977 | if (CONSP (current_mode_spec)) |
1978 | current_mode = XCDR (current_mode_spec); | |
1979 | else | |
1980 | current_mode = Qnil; | |
9ac61a89 | 1981 | if (INTEGERP (color_mode)) |
ace28297 EZ |
1982 | mode = XINT (color_mode); |
1983 | else | |
1984 | mode = 0; /* meaning default */ | |
9ac61a89 | 1985 | if (INTEGERP (current_mode)) |
ace28297 EZ |
1986 | old_mode = XINT (current_mode); |
1987 | else | |
1988 | old_mode = 0; | |
1989 | ||
1990 | if (mode != old_mode) | |
1991 | { | |
fca177d4 | 1992 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
1993 | /* This recomputes all the faces given the new color |
1994 | definitions. */ | |
1995 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
1996 | redraw_frame (f); | |
1997 | } | |
1998 | } | |
1999 | ||
2000 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2001 | |
2002 | \f | |
28d440ab | 2003 | |
6ed8eeff | 2004 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2005 | |
6ed8eeff KL |
2006 | struct terminal * |
2007 | get_tty_terminal (Lisp_Object terminal) | |
b6660415 | 2008 | { |
6ed8eeff | 2009 | struct terminal *t = get_terminal (terminal, 0); |
62af879c | 2010 | |
6ed8eeff KL |
2011 | if (t && t->type == output_initial) |
2012 | t = NULL; | |
d7e4838f | 2013 | |
6ed8eeff KL |
2014 | if (t && t->type != output_termcap) |
2015 | error ("Device %d is not a termcap terminal device", t->id); | |
b6660415 | 2016 | |
6ed8eeff | 2017 | return t; |
b6660415 KL |
2018 | } |
2019 | ||
7e59217d KL |
2020 | /* Return the active termcap device that uses the tty device with the |
2021 | given name. If NAME is NULL, return the device corresponding to | |
b6660415 KL |
2022 | our controlling terminal. |
2023 | ||
7e59217d | 2024 | This function ignores suspended devices. |
da8e1115 KL |
2025 | |
2026 | Returns NULL if the named terminal device is not opened. */ | |
2027 | ||
6ed8eeff | 2028 | struct terminal * |
7e59217d | 2029 | get_named_tty (name) |
28d440ab KL |
2030 | char *name; |
2031 | { | |
6ed8eeff KL |
2032 | struct terminal *t; |
2033 | ||
2034 | for (t = terminal_list; t; t = t->next_terminal) { | |
2035 | if (t->type == output_termcap | |
2036 | && ((t->display_info.tty->name == 0 && name == 0) | |
2037 | || (name && t->display_info.tty->name | |
2038 | && !strcmp (t->display_info.tty->name, name))) | |
2039 | && TERMINAL_ACTIVE_P (t)) | |
2040 | return t; | |
28d440ab KL |
2041 | }; |
2042 | ||
2043 | return 0; | |
2044 | } | |
2045 | ||
2046 | \f | |
6ed8eeff KL |
2047 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2048 | doc: /* Return the type of the tty device that TERMINAL uses. | |
a3fbb897 | 2049 | |
6ed8eeff KL |
2050 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2051 | frame's terminal). */) | |
2052 | (terminal) | |
2053 | Lisp_Object terminal; | |
b6660415 | 2054 | { |
6ed8eeff | 2055 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2056 | |
6ed8eeff KL |
2057 | if (t->type != output_termcap) |
2058 | error ("Terminal %d is not a termcap terminal", t->id); | |
b6660415 | 2059 | |
6ed8eeff KL |
2060 | if (t->display_info.tty->type) |
2061 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2062 | else |
2063 | return Qnil; | |
2064 | } | |
2065 | ||
6ed8eeff KL |
2066 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
2067 | doc: /* Return non-nil if TERMINAL is on the controlling tty of the Emacs process. | |
a3fbb897 | 2068 | |
6ed8eeff KL |
2069 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2070 | frame's terminal). This function always returns nil if TERMINAL | |
2071 | is not on a tty device. */) | |
2072 | (terminal) | |
2073 | Lisp_Object terminal; | |
4a933ef8 | 2074 | { |
6ed8eeff | 2075 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2076 | |
6ed8eeff | 2077 | if (t->type != output_termcap || t->display_info.tty->name) |
4a933ef8 KL |
2078 | return Qnil; |
2079 | else | |
2080 | return Qt; | |
2081 | } | |
2082 | ||
a3fbb897 | 2083 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2084 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2085 | This is used to override the terminfo data, for certain terminals that |
2086 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2087 | no effect if used on a non-tty terminal. |
a3fbb897 | 2088 | |
6ed8eeff KL |
2089 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2090 | frame's terminal). This function always returns nil if TERMINAL | |
2091 | is not on a tty device. */) | |
2092 | (terminal) | |
2093 | Lisp_Object terminal; | |
a3fbb897 | 2094 | { |
6ed8eeff | 2095 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2096 | |
6ed8eeff KL |
2097 | if (t->type == output_termcap) |
2098 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2099 | return Qnil; |
2100 | } | |
2101 | ||
ed8dad6b KL |
2102 | \f |
2103 | ||
2104 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2105 | doc: /* Suspend the terminal device TTY. | |
2106 | ||
2107 | The device is restored to its default state, and Emacs ceases all | |
2108 | access to the tty device. Frames that use the device are not deleted, | |
2109 | but input is not read from them and if they change, their display is | |
2110 | not updated. | |
2111 | ||
2112 | TTY may be a terminal id, a frame, or nil for the terminal device of | |
2113 | the currently selected frame. | |
2114 | ||
2115 | This function runs `suspend-tty-functions' after suspending the | |
2116 | device. The functions are run with one arg, the id of the suspended | |
2117 | terminal device. | |
2118 | ||
2119 | `suspend-tty' does nothing if it is called on a device that is already | |
2120 | suspended. | |
2121 | ||
2122 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2123 | (tty) | |
2124 | Lisp_Object tty; | |
2125 | { | |
6ed8eeff | 2126 | struct terminal *t = get_tty_terminal (tty); |
ed8dad6b KL |
2127 | FILE *f; |
2128 | ||
6ed8eeff | 2129 | if (!t) |
ed8dad6b KL |
2130 | error ("Unknown tty device"); |
2131 | ||
6ed8eeff | 2132 | f = t->display_info.tty->input; |
ed8dad6b KL |
2133 | |
2134 | if (f) | |
2135 | { | |
6ed8eeff | 2136 | reset_sys_modes (t->display_info.tty); |
ed8dad6b KL |
2137 | |
2138 | delete_keyboard_wait_descriptor (fileno (f)); | |
2139 | ||
2140 | fclose (f); | |
6ed8eeff KL |
2141 | if (f != t->display_info.tty->output) |
2142 | fclose (t->display_info.tty->output); | |
ed8dad6b | 2143 | |
6ed8eeff KL |
2144 | t->display_info.tty->input = 0; |
2145 | t->display_info.tty->output = 0; | |
ed8dad6b | 2146 | |
6ed8eeff KL |
2147 | if (FRAMEP (t->display_info.tty->top_frame)) |
2148 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
ed8dad6b KL |
2149 | |
2150 | /* Run `suspend-tty-functions'. */ | |
2151 | if (!NILP (Vrun_hooks)) | |
2152 | { | |
2153 | Lisp_Object args[2]; | |
2154 | args[0] = intern ("suspend-tty-functions"); | |
6ed8eeff | 2155 | args[1] = make_number (t->id); |
ed8dad6b KL |
2156 | Frun_hook_with_args (2, args); |
2157 | } | |
2158 | } | |
2159 | ||
2160 | return Qnil; | |
2161 | } | |
2162 | ||
2163 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2164 | doc: /* Resume the previously suspended terminal device TTY. | |
2165 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2166 | suspended terminal are revived. |
ed8dad6b | 2167 | |
6ed8eeff KL |
2168 | It is an error to resume a terminal while another terminal is active |
2169 | on the same device. | |
ed8dad6b | 2170 | |
6ed8eeff KL |
2171 | This function runs `resume-tty-functions' after resuming the terminal. |
2172 | The functions are run with one arg, the id of the resumed terminal | |
ed8dad6b KL |
2173 | device. |
2174 | ||
2175 | `resume-tty' does nothing if it is called on a device that is not | |
2176 | suspended. | |
2177 | ||
6ed8eeff KL |
2178 | TTY may be a terminal id, a frame, or nil for the terminal device of |
2179 | the currently selected frame. */) | |
ed8dad6b KL |
2180 | (tty) |
2181 | Lisp_Object tty; | |
2182 | { | |
6ed8eeff | 2183 | struct terminal *t = get_tty_terminal (tty); |
ed8dad6b KL |
2184 | int fd; |
2185 | ||
6ed8eeff | 2186 | if (!t) |
ed8dad6b KL |
2187 | error ("Unknown tty device"); |
2188 | ||
6ed8eeff | 2189 | if (!t->display_info.tty->input) |
ed8dad6b | 2190 | { |
6ed8eeff | 2191 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2192 | error ("Cannot resume display while another display is active on the same device"); |
2193 | ||
6ed8eeff | 2194 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b KL |
2195 | |
2196 | /* XXX What if open fails? */ | |
2197 | ||
2198 | dissociate_if_controlling_tty (fd); | |
2199 | ||
6ed8eeff KL |
2200 | t->display_info.tty->output = fdopen (fd, "w+"); |
2201 | t->display_info.tty->input = t->display_info.tty->output; | |
ed8dad6b KL |
2202 | |
2203 | add_keyboard_wait_descriptor (fd); | |
2204 | ||
6ed8eeff KL |
2205 | if (FRAMEP (t->display_info.tty->top_frame)) |
2206 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
ed8dad6b | 2207 | |
6ed8eeff | 2208 | init_sys_modes (t->display_info.tty); |
ed8dad6b KL |
2209 | |
2210 | /* Run `suspend-tty-functions'. */ | |
2211 | if (!NILP (Vrun_hooks)) | |
2212 | { | |
2213 | Lisp_Object args[2]; | |
2214 | args[0] = intern ("resume-tty-functions"); | |
6ed8eeff | 2215 | args[1] = make_number (t->id); |
ed8dad6b KL |
2216 | Frun_hook_with_args (2, args); |
2217 | } | |
2218 | } | |
2219 | ||
2220 | return Qnil; | |
2221 | } | |
a3fbb897 | 2222 | |
819b8f00 | 2223 | \f |
a168702a GM |
2224 | /*********************************************************************** |
2225 | Initialization | |
2226 | ***********************************************************************/ | |
2227 | ||
ed8dad6b KL |
2228 | /* Initialize the tty-dependent part of frame F. The frame must |
2229 | already have its device initialized. */ | |
3224dac1 | 2230 | |
ed8dad6b KL |
2231 | void |
2232 | create_tty_output (struct frame *f) | |
28d440ab | 2233 | { |
ed8dad6b KL |
2234 | struct tty_output *t; |
2235 | ||
2236 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2237 | abort (); |
2238 | ||
ed8dad6b KL |
2239 | t = xmalloc (sizeof (struct tty_output)); |
2240 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 2241 | |
6ed8eeff | 2242 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2243 | |
ed8dad6b | 2244 | f->output_data.tty = t; |
3224dac1 KL |
2245 | } |
2246 | ||
ed8dad6b | 2247 | /* Delete the tty-dependent part of frame F. */ |
da8e1115 | 2248 | |
ed8dad6b KL |
2249 | static void |
2250 | delete_tty_output (struct frame *f) | |
3224dac1 | 2251 | { |
ed8dad6b | 2252 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2253 | abort (); |
2254 | ||
ed8dad6b | 2255 | xfree (f->output_data.tty); |
28d440ab KL |
2256 | } |
2257 | ||
ed8dad6b KL |
2258 | \f |
2259 | ||
03a1d6bd | 2260 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 2261 | static void |
03a1d6bd KL |
2262 | dissociate_if_controlling_tty (int fd) |
2263 | { | |
03a1d6bd | 2264 | int pgid; |
8516815b | 2265 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
2266 | if (pgid != -1) |
2267 | { | |
8516815b | 2268 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
2269 | setpgrp (); |
2270 | no_controlling_tty = 1; | |
03a1d6bd KL |
2271 | #else |
2272 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b KL |
2273 | sigblock (sigmask (SIGTTOU)); |
2274 | fd = emacs_open ("/dev/tty", O_RDWR, 0); | |
2275 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) | |
2276 | { | |
2277 | no_controlling_tty = 1; | |
2278 | } | |
2279 | if (fd != -1) | |
2280 | emacs_close (fd); | |
2281 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 2282 | #else |
8516815b KL |
2283 | /* Unknown system. */ |
2284 | croak (); | |
03a1d6bd KL |
2285 | #endif /* ! TIOCNOTTY */ |
2286 | #endif /* ! USG */ | |
71a96040 | 2287 | } |
03a1d6bd KL |
2288 | } |
2289 | ||
520c4dfd KL |
2290 | static void maybe_fatal(); |
2291 | ||
3224dac1 KL |
2292 | /* Create a termcap display on the tty device with the given name and |
2293 | type. | |
2294 | ||
2295 | If NAME is NULL, then use the controlling tty, i.e., stdin/stdout. | |
2296 | Otherwise NAME should be a path to the tty device file, | |
2297 | e.g. "/dev/pts/7". | |
28d440ab | 2298 | |
3224dac1 KL |
2299 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2300 | ||
2301 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2302 | |
6ed8eeff | 2303 | struct terminal * |
a4c6993d | 2304 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 JB |
2305 | { |
2306 | char *area; | |
2307 | char **address = &area; | |
3a06a6d9 | 2308 | char *buffer = NULL; |
5846981b | 2309 | int buffer_size = 4096; |
08a24c47 JB |
2310 | register char *p; |
2311 | int status; | |
28d7d09f | 2312 | struct tty_display_info *tty; |
6ed8eeff | 2313 | struct terminal *terminal; |
28d440ab | 2314 | |
3224dac1 KL |
2315 | if (!terminal_type) |
2316 | maybe_fatal (must_succeed, 0, 0, | |
2317 | "Unknown terminal type", | |
2318 | "Unknown terminal type"); | |
b6660415 | 2319 | |
6ed8eeff KL |
2320 | /* If we already have a terminal on the given device, use that. If |
2321 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 2322 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 2323 | always create a new terminal and separating terminal and frame |
b6660415 | 2324 | creation on Lisp level. */ |
6ed8eeff KL |
2325 | terminal = get_named_tty (name); |
2326 | if (terminal) | |
2327 | return terminal; | |
428a555e | 2328 | |
6ed8eeff | 2329 | terminal = create_terminal (); |
3224dac1 KL |
2330 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
2331 | bzero (tty, sizeof (struct tty_display_info)); | |
2332 | tty->next = tty_list; | |
2333 | tty_list = tty; | |
428a555e | 2334 | |
6ed8eeff KL |
2335 | terminal->type = output_termcap; |
2336 | terminal->display_info.tty = tty; | |
2337 | tty->terminal = terminal; | |
28d440ab | 2338 | |
7b00d185 KL |
2339 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
2340 | Wcm_clear (tty); | |
daf01701 | 2341 | |
6ed8eeff | 2342 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ |
3224dac1 | 2343 | |
6ed8eeff KL |
2344 | terminal->cursor_to_hook = &tty_cursor_to; |
2345 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3224dac1 | 2346 | |
6ed8eeff KL |
2347 | terminal->clear_to_end_hook = &tty_clear_to_end; |
2348 | terminal->clear_frame_hook = &tty_clear_frame; | |
2349 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3224dac1 | 2350 | |
6ed8eeff | 2351 | terminal->ins_del_lines_hook = &tty_ins_del_lines; |
3224dac1 | 2352 | |
6ed8eeff KL |
2353 | terminal->insert_glyphs_hook = &tty_insert_glyphs; |
2354 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
2355 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3224dac1 | 2356 | |
6ed8eeff | 2357 | terminal->ring_bell_hook = &tty_ring_bell; |
3224dac1 | 2358 | |
6ed8eeff KL |
2359 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2360 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2361 | terminal->update_begin_hook = 0; /* Not needed. */ | |
2362 | terminal->update_end_hook = &tty_update_end; | |
2363 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
2364 | ||
2365 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
2366 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
2367 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
2368 | ||
2369 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2370 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2371 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2372 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2373 | ||
2374 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2375 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
3224dac1 | 2376 | |
6ed8eeff KL |
2377 | terminal->delete_frame_hook = &delete_tty_output; |
2378 | terminal->delete_terminal_hook = &delete_tty; | |
428a555e | 2379 | |
28d440ab KL |
2380 | if (name) |
2381 | { | |
2382 | int fd; | |
0a125897 | 2383 | FILE *file; |
0c72d684 KL |
2384 | |
2385 | #ifdef O_IGNORE_CTTY | |
2386 | /* Open the terminal device. Don't recognize it as our | |
2387 | controlling terminal, and don't make it the controlling tty | |
2388 | if we don't have one at the moment. */ | |
2389 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
2390 | #else | |
2666355c KL |
2391 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
2392 | defined on Hurd. On other systems, we need to dissociate | |
2393 | ourselves from the controlling tty when we want to open a | |
03a1d6bd | 2394 | frame on the same terminal. */ |
0c72d684 KL |
2395 | |
2396 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); | |
03a1d6bd | 2397 | |
0c72d684 KL |
2398 | #endif /* O_IGNORE_CTTY */ |
2399 | ||
28d440ab KL |
2400 | if (fd < 0) |
2401 | { | |
6ed8eeff | 2402 | delete_tty (terminal); |
fca177d4 | 2403 | error ("Could not open file: %s", name); |
28d440ab | 2404 | } |
e7cf0fa0 | 2405 | if (!isatty (fd)) |
0c72d684 KL |
2406 | { |
2407 | close (fd); | |
2408 | error ("Not a tty device: %s", name); | |
2409 | } | |
2410 | ||
03a1d6bd KL |
2411 | dissociate_if_controlling_tty (fd); |
2412 | ||
0a125897 | 2413 | file = fdopen (fd, "w+"); |
28d7d09f | 2414 | tty->name = xstrdup (name); |
6ed8eeff | 2415 | terminal->name = xstrdup (name); |
28d7d09f KL |
2416 | tty->input = file; |
2417 | tty->output = file; | |
28d440ab KL |
2418 | } |
2419 | else | |
2420 | { | |
0c72d684 KL |
2421 | if (no_controlling_tty) |
2422 | { | |
2423 | /* Opening a frame on stdout is unsafe if we have | |
2424 | disconnected our controlling terminal. */ | |
2425 | error ("There is no controlling terminal any more"); | |
2426 | } | |
28d7d09f | 2427 | tty->name = 0; |
6ed8eeff | 2428 | terminal->name = xstrdup (ttyname (0)); |
28d7d09f KL |
2429 | tty->input = stdin; |
2430 | tty->output = stdout; | |
28d440ab KL |
2431 | } |
2432 | ||
28d7d09f | 2433 | tty->type = xstrdup (terminal_type); |
28d440ab | 2434 | |
819b8f00 | 2435 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 2436 | |
af645abf KH |
2437 | encode_terminal_bufsize = 0; |
2438 | ||
cb28b9c2 | 2439 | #ifdef WINDOWSNT |
29f27c39 | 2440 | initialize_w32_display (); |
cb28b9c2 | 2441 | |
fca177d4 | 2442 | Wcm_clear (tty); |
cb28b9c2 | 2443 | |
a678d9ff | 2444 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2445 | |
428a555e KL |
2446 | FrameRows (tty) = FRAME_LINES (f); /* XXX */ |
2447 | FrameCols (tty) = FRAME_COLS (f); /* XXX */ | |
2448 | tty->specified_window = FRAME_LINES (f); /* XXX */ | |
cb28b9c2 | 2449 | |
6ed8eeff | 2450 | tty->terminal->delete_in_insert_mode = 1; |
cb28b9c2 | 2451 | |
daf01701 | 2452 | UseTabs (tty) = 0; |
6ed8eeff | 2453 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 2454 | |
7e59217d | 2455 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 2456 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 2457 | don't think we're losing anything by turning it off. */ |
6ed8eeff KL |
2458 | terminal->line_ins_del_ok = 0; |
2459 | terminal->char_ins_del_ok = 1; | |
cb28b9c2 RS |
2460 | |
2461 | baud_rate = 19200; | |
2462 | ||
428a555e KL |
2463 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; /* XXX */ |
2464 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; /* XXX */ | |
acfcd5cd | 2465 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 2466 | |
6ed8eeff | 2467 | return terminal; |
eccec691 | 2468 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2469 | |
6548cf00 | 2470 | Wcm_clear (tty); |
08a24c47 | 2471 | |
3a06a6d9 | 2472 | buffer = (char *) xmalloc (buffer_size); |
03a1d6bd KL |
2473 | |
2474 | /* On some systems, tgetent tries to access the controlling | |
2475 | terminal. */ | |
2476 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 2477 | status = tgetent (buffer, terminal_type); |
03a1d6bd KL |
2478 | sigunblock (sigmask (SIGTTOU)); |
2479 | ||
08a24c47 | 2480 | if (status < 0) |
b0347178 KH |
2481 | { |
2482 | #ifdef TERMINFO | |
6ed8eeff | 2483 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
2484 | "Cannot open terminfo database file", |
2485 | "Cannot open terminfo database file"); | |
b0347178 | 2486 | #else |
6ed8eeff | 2487 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
2488 | "Cannot open termcap database file", |
2489 | "Cannot open termcap database file"); | |
b0347178 KH |
2490 | #endif |
2491 | } | |
08a24c47 | 2492 | if (status == 0) |
b0347178 KH |
2493 | { |
2494 | #ifdef TERMINFO | |
6ed8eeff | 2495 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
2496 | "Terminal type %s is not defined", |
2497 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2498 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
2499 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2500 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2501 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 2502 | terminal_type); |
b0347178 | 2503 | #else |
6ed8eeff | 2504 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
2505 | "Terminal type %s is not defined", |
2506 | "Terminal type %s is not defined.\n\ | |
0a125897 | 2507 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2508 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2509 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2510 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 2511 | terminal_type); |
b0347178 KH |
2512 | #endif |
2513 | } | |
3a06a6d9 | 2514 | |
f730033e | 2515 | #ifndef TERMINFO |
3a06a6d9 | 2516 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2517 | abort (); |
f730033e | 2518 | buffer_size = strlen (buffer); |
3dd3a502 | 2519 | #endif |
f730033e | 2520 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 2521 | |
fca177d4 KL |
2522 | tty->TS_ins_line = tgetstr ("al", address); |
2523 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
2524 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 2525 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
2526 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
2527 | tty->TS_clr_line = tgetstr ("ce", address); | |
2528 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
2529 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
2530 | AbsPosition (tty) = tgetstr ("cm", address); | |
2531 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
2532 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
2533 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 2534 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
2535 | tty->TS_del_char = tgetstr ("dc", address); |
2536 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
2537 | tty->TS_del_line = tgetstr ("dl", address); | |
2538 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
2539 | tty->TS_delete_mode = tgetstr ("dm", address); | |
2540 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
2541 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 2542 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
2543 | tty->TS_ins_char = tgetstr ("ic", address); |
2544 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
2545 | tty->TS_insert_mode = tgetstr ("im", address); | |
2546 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
2547 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
2548 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
2549 | LastLine (tty) = tgetstr ("ll", address); |
2550 | Right (tty) = tgetstr ("nd", address); | |
2551 | Down (tty) = tgetstr ("do", address); | |
2552 | if (!Down (tty)) | |
2553 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
2554 | #ifdef VMS |
2555 | /* VMS puts a carriage return before each linefeed, | |
2556 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
2557 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
2558 | Down (tty) = 0; | |
08a24c47 JB |
2559 | #endif /* VMS */ |
2560 | if (tgetflag ("bs")) | |
6548cf00 | 2561 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 2562 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
2563 | Left (tty) = tgetstr ("le", address); |
2564 | if (!Left (tty)) | |
2565 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
2566 | tty->TS_pad_char = tgetstr ("pc", address); |
2567 | tty->TS_repeat = tgetstr ("rp", address); | |
2568 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
2569 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
2570 | tty->TS_standout_mode = tgetstr ("so", address); | |
2571 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 2572 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
2573 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
2574 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 2575 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
2576 | tty->TS_visible_bell = tgetstr ("vb", address); |
2577 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
2578 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
2579 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
2580 | tty->TS_set_window = tgetstr ("wi", address); | |
2581 | ||
2582 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
2583 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
2584 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
2585 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
2586 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
2587 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
2588 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2589 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2590 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2591 | |
6548cf00 KL |
2592 | MultiUp (tty) = tgetstr ("UP", address); |
2593 | MultiDown (tty) = tgetstr ("DO", address); | |
2594 | MultiLeft (tty) = tgetstr ("LE", address); | |
2595 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 2596 | |
e7f90eab GM |
2597 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2598 | color because we can't switch back to the default foreground and | |
2599 | background. */ | |
fca177d4 KL |
2600 | tty->TS_orig_pair = tgetstr ("op", address); |
2601 | if (tty->TS_orig_pair) | |
a168702a | 2602 | { |
fca177d4 KL |
2603 | tty->TS_set_foreground = tgetstr ("AF", address); |
2604 | tty->TS_set_background = tgetstr ("AB", address); | |
2605 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
2606 | { |
2607 | /* SVr4. */ | |
fca177d4 KL |
2608 | tty->TS_set_foreground = tgetstr ("Sf", address); |
2609 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 2610 | } |
177c0ea7 | 2611 | |
fca177d4 KL |
2612 | tty->TN_max_colors = tgetnum ("Co"); |
2613 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2614 | |
fca177d4 KL |
2615 | tty->TN_no_color_video = tgetnum ("NC"); |
2616 | if (tty->TN_no_color_video == -1) | |
2617 | tty->TN_no_color_video = 0; | |
a168702a | 2618 | } |
a168702a | 2619 | |
fca177d4 | 2620 | tty_default_color_capabilities (tty, 1); |
ace28297 | 2621 | |
6548cf00 | 2622 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
2623 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
2624 | the former flag imply the latter. */ | |
6548cf00 | 2625 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 2626 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 2627 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 2628 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
2629 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
2630 | tty->TF_insmode_motion = tgetflag ("mi"); | |
2631 | tty->TF_standout_motion = tgetflag ("ms"); | |
2632 | tty->TF_underscore = tgetflag ("ul"); | |
2633 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 2634 | |
e7cf0fa0 | 2635 | #ifdef MULTI_KBOARD |
6ed8eeff KL |
2636 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
2637 | init_kboard (terminal->kboard); | |
2638 | terminal->kboard->next_kboard = all_kboards; | |
2639 | all_kboards = terminal->kboard; | |
2640 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
2641 | /* Don't let the initial kboard remain current longer than necessary. |
2642 | That would cause problems if a file loaded on startup tries to | |
2643 | prompt in the mini-buffer. */ | |
2644 | if (current_kboard == initial_kboard) | |
6ed8eeff | 2645 | current_kboard = terminal->kboard; |
e7cf0fa0 KL |
2646 | #endif |
2647 | ||
6ed8eeff | 2648 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 2649 | |
ff11dfa1 | 2650 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2651 | { |
2652 | int height, width; | |
0b0d3e0b | 2653 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
2654 | FrameCols (tty) = width; |
2655 | FrameRows (tty) = height; | |
3b12ce12 RS |
2656 | } |
2657 | ||
0a125897 KL |
2658 | if (FrameCols (tty) <= 0) |
2659 | FrameCols (tty) = tgetnum ("co"); | |
2660 | if (FrameRows (tty) <= 0) | |
2661 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 2662 | |
0a125897 | 2663 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
6ed8eeff | 2664 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
2665 | "Screen size %dx%d is too small" |
2666 | "Screen size %dx%d is too small", | |
0a125897 | 2667 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 2668 | |
8a56675d | 2669 | #if 0 /* This is not used anywhere. */ |
6ed8eeff | 2670 | tty->terminal->min_padding_speed = tgetnum ("pb"); |
8a56675d | 2671 | #endif |
28d440ab | 2672 | |
6548cf00 | 2673 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
2674 | |
2675 | #ifdef VMS | |
2676 | /* These capabilities commonly use ^J. | |
2677 | I don't know why, but sending them on VMS does not work; | |
2678 | it causes following spaces to be lost, sometimes. | |
2679 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
2680 | if (Down (tty) && Down (tty)[0] == '\n') |
2681 | Down (tty) = 0; | |
08a24c47 JB |
2682 | #endif /* VMS */ |
2683 | ||
fca177d4 KL |
2684 | if (!tty->TS_bell) |
2685 | tty->TS_bell = "\07"; | |
08a24c47 | 2686 | |
fca177d4 KL |
2687 | if (!tty->TS_fwd_scroll) |
2688 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 2689 | |
fca177d4 | 2690 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 2691 | |
6548cf00 KL |
2692 | if (TabWidth (tty) < 0) |
2693 | TabWidth (tty) = 8; | |
177c0ea7 | 2694 | |
08a24c47 JB |
2695 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2696 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
2697 | if (!tty->Wcm->cm_tab) |
2698 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
2699 | */ |
2700 | ||
54800acb MB |
2701 | /* We don't support standout modes that use `magic cookies', so |
2702 | turn off any that do. */ | |
fca177d4 | 2703 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 2704 | { |
fca177d4 KL |
2705 | tty->TS_standout_mode = 0; |
2706 | tty->TS_end_standout_mode = 0; | |
54800acb | 2707 | } |
fca177d4 | 2708 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 2709 | { |
fca177d4 KL |
2710 | tty->TS_enter_underline_mode = 0; |
2711 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
2712 | } |
2713 | ||
2714 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 2715 | if (tty->TS_standout_mode == 0) |
08a24c47 | 2716 | { |
fca177d4 KL |
2717 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
2718 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
2719 | } |
2720 | ||
afd359c4 RS |
2721 | /* If no `se' string, try using a `me' string instead. |
2722 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 2723 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 2724 | { |
e4bfb3b6 | 2725 | char *s = tgetstr ("me", address); |
afd359c4 | 2726 | if (s != 0) |
fca177d4 | 2727 | tty->TS_end_standout_mode = s; |
afd359c4 | 2728 | else |
fca177d4 | 2729 | tty->TS_standout_mode = 0; |
afd359c4 RS |
2730 | } |
2731 | ||
fca177d4 | 2732 | if (tty->TF_teleray) |
08a24c47 | 2733 | { |
6548cf00 | 2734 | tty->Wcm->cm_tab = 0; |
54800acb | 2735 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 2736 | tty->TS_standout_mode = 0; |
08a24c47 | 2737 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 2738 | CR (tty) = 0; |
08a24c47 JB |
2739 | /* LF can't be trusted either -- can alter hpos */ |
2740 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 2741 | Down (tty) = 0; |
08a24c47 JB |
2742 | } |
2743 | ||
2744 | /* Special handling for certain terminal types known to need it */ | |
2745 | ||
2746 | if (!strcmp (terminal_type, "supdup")) | |
2747 | { | |
6ed8eeff | 2748 | terminal->memory_below_frame = 1; |
6548cf00 | 2749 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
2750 | } |
2751 | if (!strncmp (terminal_type, "c10", 3) | |
2752 | || !strcmp (terminal_type, "perq")) | |
2753 | { | |
2754 | /* Supply a makeshift :wi string. | |
2755 | This string is not valid in general since it works only | |
2756 | for windows starting at the upper left corner; | |
2757 | but that is all Emacs uses. | |
daf01701 | 2758 | |
ff11dfa1 | 2759 | This string works only if the frame is using |
08a24c47 JB |
2760 | the top of the video memory, because addressing is memory-relative. |
2761 | So first check the :ti string to see if that is true. | |
2762 | ||
2763 | It would be simpler if the :wi string could go in the termcap | |
2764 | entry, but it can't because it is not fully valid. | |
2765 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 2766 | if (!tty->TS_set_window) |
08a24c47 | 2767 | { |
fca177d4 | 2768 | p = tty->TS_termcap_modes; |
08a24c47 JB |
2769 | while (*p && strcmp (p, "\033v ")) |
2770 | p++; | |
2771 | if (*p) | |
fca177d4 | 2772 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
2773 | } |
2774 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 2775 | terminal->must_write_spaces = 1; |
08a24c47 JB |
2776 | /* :ti string typically fails to have \E^G! in it */ |
2777 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 2778 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 2779 | strcat (area, "\033\007!"); |
fca177d4 | 2780 | tty->TS_termcap_modes = area; |
08a24c47 | 2781 | area += strlen (area) + 1; |
6548cf00 | 2782 | p = AbsPosition (tty); |
08a24c47 | 2783 | /* Change all %+ parameters to %C, to handle |
28d440ab | 2784 | values above 96 correctly for the C100. */ |
08a24c47 | 2785 | while (*p) |
28d440ab KL |
2786 | { |
2787 | if (p[0] == '%' && p[1] == '+') | |
2788 | p[1] = 'C'; | |
2789 | p++; | |
2790 | } | |
08a24c47 JB |
2791 | } |
2792 | ||
0a125897 | 2793 | tty->specified_window = FrameRows (tty); |
08a24c47 | 2794 | |
6548cf00 | 2795 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 2796 | { |
6ed8eeff | 2797 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 | 2798 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
08a24c47 | 2799 | #ifdef VMS |
3224dac1 | 2800 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
2801 | It lacks the ability to position the cursor.\n\ |
2802 | If that is not the actual type of terminal you have, use either the\n\ | |
2803 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2804 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
2805 | #else /* not VMS */ |
2806 | # ifdef TERMINFO | |
3224dac1 | 2807 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
2808 | It lacks the ability to position the cursor.\n\ |
2809 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
2810 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2811 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2812 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 2813 | # else /* TERMCAP */ |
3224dac1 | 2814 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 2815 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 2816 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
2817 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2818 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2819 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
2820 | # endif /* TERMINFO */ |
2821 | #endif /*VMS */ | |
3224dac1 | 2822 | terminal_type); |
fca177d4 | 2823 | } |
daf01701 | 2824 | |
0a125897 | 2825 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
6ed8eeff | 2826 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
2827 | "Could not determine the frame size", |
2828 | "Could not determine the frame size"); | |
08a24c47 | 2829 | |
fca177d4 KL |
2830 | tty->delete_in_insert_mode |
2831 | = tty->TS_delete_mode && tty->TS_insert_mode | |
2832 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 2833 | |
fca177d4 KL |
2834 | tty->se_is_so = (tty->TS_standout_mode |
2835 | && tty->TS_end_standout_mode | |
2836 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 2837 | |
0b0d3e0b | 2838 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 2839 | |
6ed8eeff | 2840 | terminal->scroll_region_ok |
6548cf00 | 2841 | = (tty->Wcm->cm_abs |
fca177d4 | 2842 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 2843 | |
6ed8eeff | 2844 | terminal->line_ins_del_ok |
fca177d4 KL |
2845 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
2846 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 2847 | || (terminal->scroll_region_ok |
fca177d4 | 2848 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 2849 | |
6ed8eeff | 2850 | terminal->char_ins_del_ok |
fca177d4 KL |
2851 | = ((tty->TS_ins_char || tty->TS_insert_mode |
2852 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
2853 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 2854 | |
6ed8eeff | 2855 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 2856 | |
0b0d3e0b | 2857 | init_baud_rate (fileno (tty->input)); |
20a558dc | 2858 | |
daf01701 KL |
2859 | #ifdef AIXHFT |
2860 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
2861 | really ugly at times. */ | |
6ed8eeff KL |
2862 | terminal->line_ins_del_ok = 0; |
2863 | terminal->char_ins_del_ok = 0; | |
daf01701 KL |
2864 | #endif |
2865 | ||
0a125897 KL |
2866 | /* Don't do this. I think termcap may still need the buffer. */ |
2867 | /* xfree (buffer); */ | |
28d440ab | 2868 | |
0a125897 KL |
2869 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
2870 | init_sys_modes (tty); | |
daf01701 | 2871 | |
6ed8eeff | 2872 | return terminal; |
7b00d185 | 2873 | #endif /* not WINDOWSNT */ |
08a24c47 JB |
2874 | } |
2875 | ||
a4c6993d | 2876 | /* Auxiliary error-handling function for init_tty. |
6ed8eeff | 2877 | Free BUFFER and delete TERMINAL, then call error or fatal |
da8e1115 KL |
2878 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
2879 | ||
3224dac1 | 2880 | static void |
6ed8eeff | 2881 | maybe_fatal (must_succeed, buffer, terminal, str1, str2, arg1, arg2) |
3224dac1 KL |
2882 | int must_succeed; |
2883 | char *buffer; | |
6ed8eeff | 2884 | struct terminal *terminal; |
3224dac1 KL |
2885 | char *str1, *str2, *arg1, *arg2; |
2886 | { | |
2887 | if (buffer) | |
2888 | xfree (buffer); | |
2889 | ||
6ed8eeff KL |
2890 | if (terminal) |
2891 | delete_tty (terminal); | |
3224dac1 KL |
2892 | |
2893 | if (must_succeed) | |
2894 | fatal (str2, arg1, arg2); | |
2895 | else | |
2896 | error (str1, arg1, arg2); | |
2897 | ||
2898 | abort (); | |
2899 | } | |
2900 | ||
08a24c47 | 2901 | /* VARARGS 1 */ |
dfcf069d | 2902 | void |
08a24c47 | 2903 | fatal (str, arg1, arg2) |
4746118a | 2904 | char *str, *arg1, *arg2; |
08a24c47 JB |
2905 | { |
2906 | fprintf (stderr, "emacs: "); | |
2907 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2908 | fprintf (stderr, "\n"); |
08a24c47 JB |
2909 | fflush (stderr); |
2910 | exit (1); | |
2911 | } | |
07c57952 | 2912 | |
819b8f00 KL |
2913 | \f |
2914 | ||
0a125897 KL |
2915 | static int deleting_tty = 0; |
2916 | ||
da8e1115 | 2917 | |
6ed8eeff | 2918 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 2919 | |
ed8dad6b | 2920 | static void |
6ed8eeff | 2921 | delete_tty (struct terminal *terminal) |
fca177d4 | 2922 | { |
428a555e | 2923 | struct tty_display_info *tty; |
fca177d4 | 2924 | Lisp_Object tail, frame; |
4d553a13 | 2925 | char *tty_name; |
6ed8eeff | 2926 | int last_terminal; |
4d553a13 | 2927 | |
0a125897 KL |
2928 | if (deleting_tty) |
2929 | /* We get a recursive call when we delete the last frame on this | |
6ed8eeff | 2930 | terminal. */ |
0a125897 | 2931 | return; |
fca177d4 | 2932 | |
6ed8eeff | 2933 | if (terminal->type != output_termcap) |
428a555e KL |
2934 | abort (); |
2935 | ||
6ed8eeff | 2936 | tty = terminal->display_info.tty; |
428a555e | 2937 | |
6ed8eeff | 2938 | last_terminal = 1; |
81be1a93 KL |
2939 | FOR_EACH_FRAME (tail, frame) |
2940 | { | |
2941 | struct frame *f = XFRAME (frame); | |
2942 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
2943 | { | |
6ed8eeff | 2944 | last_terminal = 0; |
81be1a93 KL |
2945 | break; |
2946 | } | |
2947 | } | |
6ed8eeff KL |
2948 | if (last_terminal) |
2949 | error ("Attempt to delete the sole terminal device with live frames"); | |
81be1a93 | 2950 | |
fca177d4 KL |
2951 | if (tty == tty_list) |
2952 | tty_list = tty->next; | |
2953 | else | |
2954 | { | |
28d7d09f | 2955 | struct tty_display_info *p; |
fca177d4 KL |
2956 | for (p = tty_list; p && p->next != tty; p = p->next) |
2957 | ; | |
2958 | ||
2959 | if (! p) | |
2960 | /* This should not happen. */ | |
2961 | abort (); | |
2962 | ||
0a125897 KL |
2963 | p->next = tty->next; |
2964 | tty->next = 0; | |
fca177d4 KL |
2965 | } |
2966 | ||
81be1a93 KL |
2967 | deleting_tty = 1; |
2968 | ||
04c3243c KL |
2969 | FOR_EACH_FRAME (tail, frame) |
2970 | { | |
2971 | struct frame *f = XFRAME (frame); | |
daf01701 | 2972 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f) && FRAME_TTY (f) == tty) |
04c3243c KL |
2973 | { |
2974 | Fdelete_frame (frame, Qt); | |
04c3243c KL |
2975 | } |
2976 | } | |
daf01701 | 2977 | |
7e59217d | 2978 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 2979 | before delete_terminal. */ |
04c3243c | 2980 | reset_sys_modes (tty); |
fca177d4 | 2981 | |
6ed8eeff | 2982 | delete_terminal (terminal); |
3224dac1 | 2983 | |
4d553a13 | 2984 | tty_name = tty->name; |
fca177d4 KL |
2985 | if (tty->type) |
2986 | xfree (tty->type); | |
daf01701 | 2987 | |
fca177d4 | 2988 | if (tty->input) |
819b8f00 KL |
2989 | { |
2990 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
2991 | if (tty->input != stdin) | |
2992 | fclose (tty->input); | |
2993 | } | |
2994 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
2995 | fclose (tty->output); |
2996 | if (tty->termscript) | |
2997 | fclose (tty->termscript); | |
daf01701 | 2998 | |
fca177d4 | 2999 | if (tty->old_tty) |
0a125897 | 3000 | xfree (tty->old_tty); |
fca177d4 | 3001 | |
0a125897 | 3002 | if (tty->Wcm) |
daf01701 KL |
3003 | xfree (tty->Wcm); |
3004 | ||
28d7d09f | 3005 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3006 | xfree (tty); |
0a125897 | 3007 | deleting_tty = 0; |
fca177d4 KL |
3008 | } |
3009 | ||
428a555e KL |
3010 | \f |
3011 | ||
28d7d09f | 3012 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3013 | Called by the Fgarbage_collector. */ |
da8e1115 | 3014 | |
fca177d4 | 3015 | void |
ed8dad6b | 3016 | mark_ttys (void) |
fca177d4 | 3017 | { |
28d7d09f | 3018 | struct tty_display_info *tty; |
0c72d684 | 3019 | |
819b8f00 | 3020 | for (tty = tty_list; tty; tty = tty->next) |
fca177d4 | 3021 | { |
819b8f00 KL |
3022 | if (tty->top_frame) |
3023 | mark_object (tty->top_frame); | |
fca177d4 KL |
3024 | } |
3025 | } | |
3026 | ||
428a555e KL |
3027 | \f |
3028 | ||
819b8f00 KL |
3029 | void |
3030 | syms_of_term () | |
3031 | { | |
3032 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3033 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3034 | This variable can be used by terminal emulator packages. */); | |
3035 | #ifdef TERMINFO | |
3036 | system_uses_terminfo = 1; | |
3037 | #else | |
3038 | system_uses_terminfo = 0; | |
3039 | #endif | |
3040 | ||
0b0d3e0b KL |
3041 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3042 | doc: /* Functions to be run after suspending a tty. | |
3043 | The functions are run with one argument, the name of the tty to be suspended. | |
3044 | See `suspend-tty'. */); | |
3045 | Vsuspend_tty_functions = Qnil; | |
3046 | ||
3047 | ||
3048 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, | |
3049 | doc: /* Functions to be run after resuming a tty. | |
3050 | The functions are run with one argument, the name of the tty that was revived. | |
3051 | See `resume-tty'. */); | |
3052 | Vresume_tty_functions = Qnil; | |
3053 | ||
0db017c0 SM |
3054 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
3055 | doc: /* Non-nil means to make the cursor very visible. | |
3056 | This only has an effect when running in a text terminal. | |
3057 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3058 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3059 | visible_cursor = 1; | |
3060 | ||
819b8f00 KL |
3061 | defsubr (&Stty_display_color_p); |
3062 | defsubr (&Stty_display_color_cells); | |
072d84a6 | 3063 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3064 | defsubr (&Stty_type); |
3065 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3066 | defsubr (&Ssuspend_tty); |
3067 | defsubr (&Sresume_tty); | |
819b8f00 KL |
3068 | } |
3069 | ||
3070 | ||
3071 | ||
ab5796a9 MB |
3072 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3073 | (do not change this comment) */ |