Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
73b0cd50 | 2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2011 |
8cabe764 | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
08a24c47 JB |
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 | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 19 | |
d284f58f | 20 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 21 | |
565620a5 | 22 | #include <config.h> |
08a24c47 JB |
23 | #include <stdio.h> |
24 | #include <ctype.h> | |
59b3194c | 25 | #include <errno.h> |
28d440ab | 26 | #include <sys/file.h> |
1ec5dc77 | 27 | #include <unistd.h> |
03a1d6bd | 28 | #include <signal.h> |
7c401d15 | 29 | #include <stdarg.h> |
d7306fe6 | 30 | #include <setjmp.h> |
0c72d684 | 31 | |
9628b887 | 32 | #include "lisp.h" |
08a24c47 JB |
33 | #include "termchar.h" |
34 | #include "termopts.h" | |
9332ea03 KH |
35 | #include "buffer.h" |
36 | #include "character.h" | |
a4decb7f KH |
37 | #include "charset.h" |
38 | #include "coding.h" | |
4c12d738 | 39 | #include "composite.h" |
2538fae4 | 40 | #include "keyboard.h" |
ff11dfa1 | 41 | #include "frame.h" |
08a24c47 JB |
42 | #include "disptab.h" |
43 | #include "termhooks.h" | |
dfcf069d | 44 | #include "dispextern.h" |
a168702a | 45 | #include "window.h" |
8feddab4 | 46 | #include "keymap.h" |
1a935bfd | 47 | #include "blockinput.h" |
03a1d6bd KL |
48 | #include "syssignal.h" |
49 | #include "systty.h" | |
c9612b8e | 50 | #include "intervals.h" |
84704c5c EZ |
51 | #ifdef MSDOS |
52 | #include "msdos.h" | |
53 | static int been_here = -1; | |
54 | #endif | |
a168702a | 55 | |
ff23e1dd GM |
56 | /* For now, don't try to include termcap.h. On some systems, |
57 | configure finds a non-standard termcap.h that the main build | |
58 | won't find. */ | |
f57e2426 J |
59 | extern void tputs (const char *, int, int (*)(int)); |
60 | extern int tgetent (char *, const char *); | |
61 | extern int tgetflag (char *id); | |
62 | extern int tgetnum (char *id); | |
b0f61f15 | 63 | |
b932f8b1 DN |
64 | char *tparam (char *, char *, int, int, ...); |
65 | ||
66 | extern char *tgetstr (char *, char **); | |
67 | ||
eccec691 | 68 | #include "cm.h" |
dfcf069d AS |
69 | #ifdef HAVE_X_WINDOWS |
70 | #include "xterm.h" | |
71 | #endif | |
c8951b18 | 72 | |
28d440ab KL |
73 | #ifndef O_RDWR |
74 | #define O_RDWR 2 | |
75 | #endif | |
6b61353c | 76 | |
0c72d684 KL |
77 | #ifndef O_NOCTTY |
78 | #define O_NOCTTY 0 | |
79 | #endif | |
6b61353c | 80 | |
78048085 EZ |
81 | /* The name of the default console device. */ |
82 | #ifdef WINDOWSNT | |
83 | #define DEV_TTY "CONOUT$" | |
84 | #else | |
85 | #define DEV_TTY "/dev/tty" | |
86 | #endif | |
a168702a | 87 | |
f57e2426 J |
88 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
89 | static void turn_on_face (struct frame *, int face_id); | |
90 | static void turn_off_face (struct frame *, int face_id); | |
91 | static void tty_show_cursor (struct tty_display_info *); | |
92 | static void tty_hide_cursor (struct tty_display_info *); | |
93 | static void tty_background_highlight (struct tty_display_info *tty); | |
94 | static void clear_tty_hooks (struct terminal *terminal); | |
95 | static void set_tty_hooks (struct terminal *terminal); | |
96 | static void dissociate_if_controlling_tty (int fd); | |
97 | static void delete_tty (struct terminal *); | |
b3ffc17c DN |
98 | static void maybe_fatal (int must_succeed, struct terminal *terminal, |
99 | const char *str1, const char *str2, ...) NO_RETURN; | |
100 | static void vfatal (const char *str, va_list ap) NO_RETURN; | |
101 | ||
a168702a | 102 | |
6548cf00 KL |
103 | #define OUTPUT(tty, a) \ |
104 | emacs_tputs ((tty), a, \ | |
105 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
106 | - curY (tty)), \ | |
107 | cmputc) | |
108 | ||
28d440ab KL |
109 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
110 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 111 | |
28d440ab | 112 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
113 | do { \ |
114 | if (a) \ | |
115 | emacs_tputs ((tty), a, \ | |
116 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
117 | - curY (tty) ), \ | |
118 | cmputc); \ | |
119 | } while (0) | |
177c0ea7 | 120 | |
28d440ab | 121 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 122 | |
f46c2aff | 123 | /* Display space properties */ |
08a24c47 | 124 | |
428a555e | 125 | /* Chain of all tty device parameters. */ |
28d7d09f | 126 | struct tty_display_info *tty_list; |
08a24c47 | 127 | |
4e6ba4a4 GM |
128 | /* Meaning of bits in no_color_video. Each bit set means that the |
129 | corresponding attribute cannot be combined with colors. */ | |
130 | ||
131 | enum no_color_bit | |
132 | { | |
133 | NC_STANDOUT = 1 << 0, | |
134 | NC_UNDERLINE = 1 << 1, | |
135 | NC_REVERSE = 1 << 2, | |
136 | NC_BLINK = 1 << 3, | |
137 | NC_DIM = 1 << 4, | |
138 | NC_BOLD = 1 << 5, | |
139 | NC_INVIS = 1 << 6, | |
140 | NC_PROTECT = 1 << 7, | |
141 | NC_ALT_CHARSET = 1 << 8 | |
142 | }; | |
143 | ||
08a24c47 JB |
144 | /* internal state */ |
145 | ||
8dd0c7cb | 146 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 147 | |
9882535b | 148 | int max_frame_cols; |
a168702a | 149 | |
8dd0c7cb | 150 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 151 | |
9882535b | 152 | int max_frame_lines; |
8dd0c7cb | 153 | |
0c72d684 KL |
154 | /* Non-zero if we have dropped our controlling tty and therefore |
155 | should not open a frame on stdout. */ | |
156 | static int no_controlling_tty; | |
08a24c47 | 157 | |
08a24c47 | 158 | \f |
cb28b9c2 | 159 | |
7e5a23bd | 160 | #ifdef HAVE_GPM |
e882229c | 161 | #include <sys/fcntl.h> |
e882229c | 162 | |
71f44e7a SM |
163 | /* The device for which we have enabled gpm support (or NULL). */ |
164 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 165 | |
cf482c50 | 166 | /* Last recorded mouse coordinates. */ |
e882229c | 167 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 168 | #endif /* HAVE_GPM */ |
e882229c | 169 | |
da8e1115 | 170 | /* Ring the bell on a tty. */ |
c291d9ef | 171 | |
ed8dad6b | 172 | static void |
385ed61f | 173 | tty_ring_bell (struct frame *f) |
3224dac1 | 174 | { |
3224dac1 | 175 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 176 | |
b6660415 KL |
177 | if (tty->output) |
178 | { | |
179 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
180 | ? tty->TS_visible_bell | |
181 | : tty->TS_bell)); | |
182 | fflush (tty->output); | |
08a24c47 | 183 | } |
08a24c47 JB |
184 | } |
185 | ||
da8e1115 KL |
186 | /* Set up termcap modes for Emacs. */ |
187 | ||
dfcf069d | 188 | void |
6ed8eeff | 189 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 190 | { |
6ed8eeff | 191 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 192 | |
0b0d3e0b | 193 | if (tty->output) |
08a24c47 | 194 | { |
fbf34973 KL |
195 | if (tty->TS_termcap_modes) |
196 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 197 | else |
fbf34973 KL |
198 | { |
199 | /* Output enough newlines to scroll all the old screen contents | |
200 | off the screen, so it won't be overwritten and lost. */ | |
201 | int i; | |
a3c07f68 | 202 | current_tty = tty; |
fbf34973 | 203 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 204 | cmputc ('\n'); |
fbf34973 KL |
205 | } |
206 | ||
b58cb614 | 207 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
208 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
209 | losecursor (tty); | |
2f98e6e3 | 210 | fflush (tty->output); |
08a24c47 | 211 | } |
08a24c47 JB |
212 | } |
213 | ||
da8e1115 KL |
214 | /* Reset termcap modes before exiting Emacs. */ |
215 | ||
dfcf069d | 216 | void |
6ed8eeff | 217 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 218 | { |
6ed8eeff | 219 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
220 | |
221 | if (tty->output) | |
08a24c47 | 222 | { |
ed8dad6b KL |
223 | tty_turn_off_highlight (tty); |
224 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
225 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
226 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
227 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
228 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 229 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 230 | current_tty = tty; |
d284f58f | 231 | cmputc ('\r'); |
2f98e6e3 | 232 | fflush (tty->output); |
08a24c47 | 233 | } |
08a24c47 JB |
234 | } |
235 | ||
6ed8eeff | 236 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 237 | |
ed8dad6b | 238 | static void |
3224dac1 | 239 | tty_update_end (struct frame *f) |
08a24c47 | 240 | { |
3224dac1 | 241 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 242 | |
3224dac1 KL |
243 | if (!XWINDOW (selected_window)->cursor_off_p) |
244 | tty_show_cursor (tty); | |
ed8dad6b KL |
245 | tty_turn_off_insert (tty); |
246 | tty_background_highlight (tty); | |
08a24c47 JB |
247 | } |
248 | ||
da8e1115 KL |
249 | /* The implementation of set_terminal_window for termcap frames. */ |
250 | ||
ed8dad6b | 251 | static void |
385ed61f | 252 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 253 | { |
3224dac1 KL |
254 | struct tty_display_info *tty = FRAME_TTY (f); |
255 | ||
256 | tty->specified_window = size ? size : FRAME_LINES (f); | |
257 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 258 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
259 | } |
260 | ||
ed8dad6b KL |
261 | static void |
262 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
263 | { |
264 | char *buf; | |
28d7d09f | 265 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 266 | |
fca177d4 KL |
267 | if (tty->TS_set_scroll_region) |
268 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
269 | else if (tty->TS_set_scroll_region_1) | |
270 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
271 | FRAME_LINES (f), start, |
272 | FRAME_LINES (f) - stop, | |
273 | FRAME_LINES (f)); | |
08a24c47 | 274 | else |
fca177d4 | 275 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 276 | |
6548cf00 | 277 | OUTPUT (tty, buf); |
9ac0d9e0 | 278 | xfree (buf); |
6548cf00 | 279 | losecursor (tty); |
08a24c47 | 280 | } |
d284f58f | 281 | |
08a24c47 | 282 | \f |
d284f58f | 283 | static void |
ed8dad6b | 284 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 285 | { |
fca177d4 KL |
286 | if (!tty->insert_mode) |
287 | OUTPUT (tty, tty->TS_insert_mode); | |
288 | tty->insert_mode = 1; | |
08a24c47 JB |
289 | } |
290 | ||
dfcf069d | 291 | void |
ed8dad6b | 292 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 293 | { |
fca177d4 KL |
294 | if (tty->insert_mode) |
295 | OUTPUT (tty, tty->TS_end_insert_mode); | |
296 | tty->insert_mode = 0; | |
08a24c47 JB |
297 | } |
298 | \f | |
54800acb | 299 | /* Handle highlighting. */ |
08a24c47 | 300 | |
dfcf069d | 301 | void |
ed8dad6b | 302 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 303 | { |
fca177d4 KL |
304 | if (tty->standout_mode) |
305 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
306 | tty->standout_mode = 0; | |
08a24c47 JB |
307 | } |
308 | ||
d284f58f | 309 | static void |
ed8dad6b | 310 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 311 | { |
fca177d4 KL |
312 | if (!tty->standout_mode) |
313 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
314 | tty->standout_mode = 1; | |
08a24c47 JB |
315 | } |
316 | ||
86a7d192 | 317 | static void |
ed8dad6b | 318 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 319 | { |
fca177d4 | 320 | if (tty->standout_mode) |
ed8dad6b | 321 | tty_turn_off_highlight (tty); |
86a7d192 | 322 | else |
ed8dad6b | 323 | tty_turn_on_highlight (tty); |
86a7d192 GM |
324 | } |
325 | ||
a168702a GM |
326 | |
327 | /* Make cursor invisible. */ | |
328 | ||
329 | static void | |
28d7d09f | 330 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 331 | { |
fca177d4 | 332 | if (tty->cursor_hidden == 0) |
d284f58f | 333 | { |
fca177d4 KL |
334 | tty->cursor_hidden = 1; |
335 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 336 | } |
a168702a GM |
337 | } |
338 | ||
339 | ||
340 | /* Ensure that cursor is visible. */ | |
341 | ||
342 | static void | |
28d7d09f | 343 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 344 | { |
fca177d4 | 345 | if (tty->cursor_hidden) |
d284f58f | 346 | { |
fca177d4 KL |
347 | tty->cursor_hidden = 0; |
348 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 349 | if (visible_cursor) |
b58cb614 | 350 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 351 | } |
a168702a GM |
352 | } |
353 | ||
354 | ||
08a24c47 JB |
355 | /* Set standout mode to the state it should be in for |
356 | empty space inside windows. What this is, | |
357 | depends on the user option inverse-video. */ | |
358 | ||
ed8dad6b KL |
359 | static void |
360 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 361 | { |
08a24c47 | 362 | if (inverse_video) |
ed8dad6b | 363 | tty_turn_on_highlight (tty); |
08a24c47 | 364 | else |
ed8dad6b | 365 | tty_turn_off_highlight (tty); |
08a24c47 JB |
366 | } |
367 | ||
368 | /* Set standout mode to the mode specified for the text to be output. */ | |
369 | ||
dfcf069d | 370 | static void |
ed8dad6b | 371 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 372 | { |
8ede64a5 | 373 | if (inverse_video) |
ed8dad6b | 374 | tty_turn_on_highlight (tty); |
8ede64a5 | 375 | else |
ed8dad6b | 376 | tty_turn_off_highlight (tty); |
08a24c47 JB |
377 | } |
378 | \f | |
379 | ||
a168702a GM |
380 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
381 | frame-relative coordinates. */ | |
08a24c47 | 382 | |
ed8dad6b | 383 | static void |
385ed61f | 384 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 385 | { |
3224dac1 | 386 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 387 | |
36cae867 KH |
388 | /* Detect the case where we are called from reset_sys_modes |
389 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 390 | if (! tty->costs_set) |
36cae867 KH |
391 | return; |
392 | ||
6548cf00 KL |
393 | if (curY (tty) == vpos |
394 | && curX (tty) == hpos) | |
08a24c47 | 395 | return; |
fca177d4 | 396 | if (!tty->TF_standout_motion) |
ed8dad6b | 397 | tty_background_highlight (tty); |
fca177d4 | 398 | if (!tty->TF_insmode_motion) |
ed8dad6b | 399 | tty_turn_off_insert (tty); |
6548cf00 | 400 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
401 | } |
402 | ||
403 | /* Similar but don't take any account of the wasted characters. */ | |
404 | ||
ed8dad6b | 405 | static void |
385ed61f | 406 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 407 | { |
3224dac1 KL |
408 | struct tty_display_info *tty = FRAME_TTY (f); |
409 | ||
6548cf00 KL |
410 | if (curY (tty) == row |
411 | && curX (tty) == col) | |
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, row, col); |
08a24c47 JB |
418 | } |
419 | \f | |
420 | /* Erase operations */ | |
421 | ||
da8e1115 KL |
422 | /* Clear from cursor to end of frame on a termcap device. */ |
423 | ||
ed8dad6b | 424 | static void |
385ed61f | 425 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
426 | { |
427 | register int i; | |
3224dac1 | 428 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 429 | |
fca177d4 | 430 | if (tty->TS_clr_to_bottom) |
08a24c47 | 431 | { |
ed8dad6b | 432 | tty_background_highlight (tty); |
fca177d4 | 433 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
434 | } |
435 | else | |
436 | { | |
6548cf00 | 437 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 438 | { |
385ed61f KL |
439 | cursor_to (f, i, 0); |
440 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
441 | } |
442 | } | |
443 | } | |
444 | ||
da8e1115 | 445 | /* Clear an entire termcap frame. */ |
08a24c47 | 446 | |
ed8dad6b | 447 | static void |
385ed61f | 448 | tty_clear_frame (struct frame *f) |
08a24c47 | 449 | { |
3224dac1 | 450 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 451 | |
fca177d4 | 452 | if (tty->TS_clr_frame) |
08a24c47 | 453 | { |
ed8dad6b | 454 | tty_background_highlight (tty); |
fca177d4 | 455 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 456 | cmat (tty, 0, 0); |
08a24c47 JB |
457 | } |
458 | else | |
459 | { | |
385ed61f KL |
460 | cursor_to (f, 0, 0); |
461 | clear_to_end (f); | |
08a24c47 JB |
462 | } |
463 | } | |
464 | ||
da8e1115 | 465 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
466 | |
467 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
468 | ||
ed8dad6b | 469 | static void |
385ed61f | 470 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
471 | { |
472 | register int i; | |
3224dac1 | 473 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 474 | |
36cae867 KH |
475 | /* Detect the case where we are called from reset_sys_modes |
476 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 477 | if (! tty->costs_set) |
36cae867 KH |
478 | return; |
479 | ||
6548cf00 | 480 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 481 | return; |
ed8dad6b | 482 | tty_background_highlight (tty); |
fca177d4 | 483 | if (tty->TS_clr_line) |
08a24c47 | 484 | { |
fca177d4 | 485 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
486 | } |
487 | else | |
488 | { /* have to do it the hard way */ | |
ed8dad6b | 489 | tty_turn_off_insert (tty); |
08a24c47 | 490 | |
a168702a | 491 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 492 | if (AutoWrap (tty) |
0a125897 KL |
493 | && curY (tty) == FrameRows (tty) - 1 |
494 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
495 | first_unused_hpos--; |
496 | ||
6548cf00 | 497 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 498 | { |
0b0d3e0b KL |
499 | if (tty->termscript) |
500 | fputc (' ', tty->termscript); | |
501 | fputc (' ', tty->output); | |
08a24c47 | 502 | } |
6548cf00 | 503 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
504 | } |
505 | } | |
506 | \f | |
288d5132 KH |
507 | /* Buffers to store the source and result of code conversion for terminal. */ |
508 | static unsigned char *encode_terminal_src; | |
509 | static unsigned char *encode_terminal_dst; | |
510 | /* Allocated sizes of the above buffers. */ | |
511 | static int encode_terminal_src_size; | |
512 | static int encode_terminal_dst_size; | |
513 | ||
514 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
515 | Set CODING->produced to the byte-length of the resulting byte | |
516 | sequence, and return a pointer to that byte sequence. */ | |
517 | ||
518 | unsigned char * | |
d3da34e0 | 519 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 520 | { |
feef4f84 | 521 | struct glyph *src_end = src + src_len; |
288d5132 KH |
522 | unsigned char *buf; |
523 | int nchars, nbytes, required; | |
a4decb7f KH |
524 | register int tlen = GLYPH_TABLE_LENGTH; |
525 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 526 | Lisp_Object charset_list; |
c5a518df | 527 | |
288d5132 KH |
528 | /* Allocate sufficient size of buffer to store all characters in |
529 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
530 | Vglyph_table contains a string or a composite glyph is |
531 | encountered. */ | |
288d5132 KH |
532 | required = MAX_MULTIBYTE_LENGTH * src_len; |
533 | if (encode_terminal_src_size < required) | |
534 | { | |
d31eee5e | 535 | if (encode_terminal_src) |
288d5132 | 536 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
537 | else |
538 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
539 | encode_terminal_src_size = required; |
540 | } | |
6589fd67 | 541 | |
288d5132 | 542 | charset_list = coding_charset_list (coding); |
a4decb7f | 543 | |
288d5132 KH |
544 | buf = encode_terminal_src; |
545 | nchars = 0; | |
546 | while (src < src_end) | |
a4decb7f | 547 | { |
4c12d738 KH |
548 | if (src->type == COMPOSITE_GLYPH) |
549 | { | |
75a10786 KH |
550 | struct composition *cmp; |
551 | Lisp_Object gstring; | |
4c12d738 KH |
552 | int i; |
553 | ||
554 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
555 | if (src->u.cmp.automatic) |
556 | { | |
557 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
4be9765d | 558 | required = src->slice.cmp.to + 1 - src->slice.cmp.from; |
75a10786 KH |
559 | } |
560 | else | |
561 | { | |
562 | cmp = composition_table[src->u.cmp.id]; | |
563 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
564 | } | |
4c12d738 KH |
565 | |
566 | if (encode_terminal_src_size < nbytes + required) | |
567 | { | |
568 | encode_terminal_src_size = nbytes + required; | |
569 | encode_terminal_src = xrealloc (encode_terminal_src, | |
570 | encode_terminal_src_size); | |
571 | buf = encode_terminal_src + nbytes; | |
572 | } | |
573 | ||
75a10786 | 574 | if (src->u.cmp.automatic) |
4be9765d | 575 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
576 | { |
577 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
578 | int c = LGLYPH_CHAR (g); | |
579 | ||
580 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 581 | c = '?'; |
75a10786 KH |
582 | buf += CHAR_STRING (c, buf); |
583 | nchars++; | |
584 | } | |
585 | else | |
586 | for (i = 0; i < cmp->glyph_len; i++) | |
587 | { | |
588 | int c = COMPOSITION_GLYPH (cmp, i); | |
589 | ||
d0984aff KH |
590 | if (c == '\t') |
591 | continue; | |
592 | if (char_charset (c, charset_list, NULL)) | |
593 | { | |
594 | if (CHAR_WIDTH (c) == 0 | |
595 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
596 | /* Should be left-padded */ | |
597 | { | |
598 | buf += CHAR_STRING (' ', buf); | |
599 | nchars++; | |
600 | } | |
601 | } | |
602 | else | |
603 | c = '?'; | |
75a10786 KH |
604 | buf += CHAR_STRING (c, buf); |
605 | nchars++; | |
606 | } | |
4c12d738 | 607 | } |
a4decb7f | 608 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 609 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 610 | { |
f4d953fc | 611 | GLYPH g; |
288d5132 KH |
612 | int c; |
613 | Lisp_Object string; | |
614 | ||
4ae0a2c0 | 615 | string = Qnil; |
f4d953fc | 616 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 617 | |
f4d953fc | 618 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 619 | { |
f185a758 | 620 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
621 | c = src->u.ch; |
622 | } | |
32de38e4 | 623 | else |
a4decb7f | 624 | { |
32de38e4 | 625 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
626 | so process any alias before testing for simpleness. */ |
627 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
628 | |
629 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
630 | /* We set the multi-byte form of a character in G |
631 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 632 | c = GLYPH_CHAR (g); |
32de38e4 | 633 | else |
4ae0a2c0 | 634 | /* We have a string in Vglyph_table. */ |
f4d953fc | 635 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 636 | } |
177c0ea7 | 637 | |
4ae0a2c0 | 638 | if (NILP (string)) |
c42869c4 | 639 | { |
4c12d738 KH |
640 | nbytes = buf - encode_terminal_src; |
641 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
642 | { | |
643 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
644 | encode_terminal_src = xrealloc (encode_terminal_src, | |
645 | encode_terminal_src_size); | |
646 | buf = encode_terminal_src + nbytes; | |
647 | } | |
d419e1d9 KH |
648 | if (CHAR_BYTE8_P (c) |
649 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 650 | { |
288d5132 KH |
651 | /* Store the multibyte form of C at BUF. */ |
652 | buf += CHAR_STRING (c, buf); | |
653 | nchars++; | |
c5a518df KH |
654 | } |
655 | else | |
656 | { | |
288d5132 KH |
657 | /* C is not encodable. */ |
658 | *buf++ = '?'; | |
c5a518df | 659 | nchars++; |
288d5132 KH |
660 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
661 | { | |
662 | *buf++ = '?'; | |
663 | nchars++; | |
664 | src++; | |
665 | } | |
c5a518df | 666 | } |
4ae0a2c0 KH |
667 | } |
668 | else | |
669 | { | |
37254dc1 | 670 | unsigned char *p = SDATA (string); |
288d5132 KH |
671 | |
672 | if (! STRING_MULTIBYTE (string)) | |
673 | string = string_to_multibyte (string); | |
674 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 675 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 676 | { |
288d5132 KH |
677 | encode_terminal_src_size = nbytes + SBYTES (string); |
678 | encode_terminal_src = xrealloc (encode_terminal_src, | |
679 | encode_terminal_src_size); | |
680 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 681 | } |
72af86bd | 682 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
683 | buf += SBYTES (string); |
684 | nchars += SCHARS (string); | |
c42869c4 | 685 | } |
a4decb7f | 686 | } |
288d5132 KH |
687 | src++; |
688 | } | |
689 | ||
690 | if (nchars == 0) | |
691 | { | |
692 | coding->produced = 0; | |
693 | return NULL; | |
a4decb7f | 694 | } |
177c0ea7 | 695 | |
288d5132 KH |
696 | nbytes = buf - encode_terminal_src; |
697 | coding->source = encode_terminal_src; | |
698 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 699 | { |
288d5132 | 700 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
701 | if (encode_terminal_dst) |
702 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
703 | encode_terminal_dst_size); | |
704 | else | |
705 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 706 | } |
288d5132 KH |
707 | coding->destination = encode_terminal_dst; |
708 | coding->dst_bytes = encode_terminal_dst_size; | |
709 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 710 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
711 | encode_terminal_dst = coding->destination; |
712 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 713 | |
288d5132 | 714 | return (encode_terminal_dst); |
a4decb7f KH |
715 | } |
716 | ||
08a24c47 | 717 | |
c73bd236 | 718 | |
da8e1115 KL |
719 | /* An implementation of write_glyphs for termcap frames. */ |
720 | ||
ed8dad6b | 721 | static void |
385ed61f | 722 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 723 | { |
288d5132 KH |
724 | unsigned char *conversion_buffer; |
725 | struct coding_system *coding; | |
08a24c47 | 726 | |
3224dac1 | 727 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 728 | |
ed8dad6b | 729 | tty_turn_off_insert (tty); |
fca177d4 | 730 | tty_hide_cursor (tty); |
08a24c47 | 731 | |
a168702a | 732 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 733 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 734 | |
6548cf00 KL |
735 | if (AutoWrap (tty) |
736 | && curY (tty) + 1 == FRAME_LINES (f) | |
737 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 738 | len --; |
a4decb7f KH |
739 | if (len <= 0) |
740 | return; | |
08a24c47 | 741 | |
6548cf00 | 742 | cmplus (tty, len); |
177c0ea7 | 743 | |
af645abf KH |
744 | /* If terminal_coding does any conversion, use it, otherwise use |
745 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
746 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
747 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
748 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
749 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
750 | the tail. */ | |
af645abf | 751 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 752 | |
a4decb7f | 753 | while (len > 0) |
08a24c47 | 754 | { |
a168702a | 755 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 756 | int face_id = string->face_id; |
a168702a | 757 | int n; |
177c0ea7 | 758 | |
a168702a | 759 | for (n = 1; n < len; ++n) |
32de38e4 | 760 | if (string[n].face_id != face_id) |
a168702a GM |
761 | break; |
762 | ||
763 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 764 | tty_highlight_if_desired (tty); |
a168702a GM |
765 | turn_on_face (f, face_id); |
766 | ||
288d5132 KH |
767 | if (n == len) |
768 | /* This is the last run. */ | |
769 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
770 | conversion_buffer = encode_terminal_code (string, n, coding); | |
771 | if (coding->produced > 0) | |
08a24c47 | 772 | { |
1a935bfd | 773 | BLOCK_INPUT; |
fad2f685 KL |
774 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
775 | if (ferror (tty->output)) | |
776 | clearerr (tty->output); | |
777 | if (tty->termscript) | |
778 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 779 | UNBLOCK_INPUT; |
08a24c47 | 780 | } |
288d5132 KH |
781 | len -= n; |
782 | string += n; | |
a168702a GM |
783 | |
784 | /* Turn appearance modes off. */ | |
785 | turn_off_face (f, face_id); | |
ed8dad6b | 786 | tty_turn_off_highlight (tty); |
a4decb7f | 787 | } |
177c0ea7 | 788 | |
6548cf00 | 789 | cmcheckmagic (tty); |
08a24c47 JB |
790 | } |
791 | ||
b870aa61 SM |
792 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
793 | ||
7be1c21a | 794 | static void |
d3da34e0 JB |
795 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
796 | register int len, register int face_id) | |
e882229c | 797 | { |
e882229c NR |
798 | unsigned char *conversion_buffer; |
799 | struct coding_system *coding; | |
800 | ||
7be1c21a MB |
801 | struct tty_display_info *tty = FRAME_TTY (f); |
802 | ||
803 | tty_turn_off_insert (tty); | |
804 | tty_hide_cursor (tty); | |
e882229c NR |
805 | |
806 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
807 | since that would scroll the whole frame on some terminals. */ | |
808 | ||
7be1c21a MB |
809 | if (AutoWrap (tty) |
810 | && curY (tty) + 1 == FRAME_LINES (f) | |
811 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
812 | len --; |
813 | if (len <= 0) | |
814 | return; | |
815 | ||
7be1c21a | 816 | cmplus (tty, len); |
e882229c NR |
817 | |
818 | /* If terminal_coding does any conversion, use it, otherwise use | |
819 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
820 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
821 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
822 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
823 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
824 | the tail. */ | |
825 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
826 | ||
e882229c | 827 | /* Turn appearance modes of the face. */ |
7be1c21a | 828 | tty_highlight_if_desired (tty); |
e882229c NR |
829 | turn_on_face (f, face_id); |
830 | ||
831 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
832 | conversion_buffer = encode_terminal_code (string, len, coding); | |
833 | if (coding->produced > 0) | |
834 | { | |
835 | BLOCK_INPUT; | |
7be1c21a MB |
836 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
837 | if (ferror (tty->output)) | |
838 | clearerr (tty->output); | |
839 | if (tty->termscript) | |
840 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
841 | UNBLOCK_INPUT; |
842 | } | |
843 | ||
844 | /* Turn appearance modes off. */ | |
845 | turn_off_face (f, face_id); | |
7be1c21a | 846 | tty_turn_off_highlight (tty); |
e882229c | 847 | |
7be1c21a | 848 | cmcheckmagic (tty); |
e882229c | 849 | } |
b870aa61 | 850 | #endif |
e882229c | 851 | |
da8e1115 | 852 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 853 | |
ed8dad6b | 854 | static void |
385ed61f | 855 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
856 | { |
857 | char *buf; | |
6bbd7a29 | 858 | struct glyph *glyph = NULL; |
af645abf KH |
859 | unsigned char *conversion_buffer; |
860 | unsigned char space[1]; | |
861 | struct coding_system *coding; | |
08a24c47 | 862 | |
3224dac1 | 863 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 864 | |
fca177d4 | 865 | if (tty->TS_ins_multi_chars) |
08a24c47 | 866 | { |
fca177d4 | 867 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 868 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 869 | xfree (buf); |
08a24c47 | 870 | if (start) |
385ed61f | 871 | write_glyphs (f, start, len); |
08a24c47 JB |
872 | return; |
873 | } | |
874 | ||
ed8dad6b | 875 | tty_turn_on_insert (tty); |
6548cf00 | 876 | cmplus (tty, len); |
288d5132 KH |
877 | |
878 | if (! start) | |
879 | space[0] = SPACEGLYPH; | |
880 | ||
881 | /* If terminal_coding does any conversion, use it, otherwise use | |
882 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
883 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
884 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
885 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
886 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
887 | the tail. */ | |
888 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
889 | ||
07109bf9 | 890 | while (len-- > 0) |
08a24c47 | 891 | { |
fca177d4 | 892 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 893 | if (!start) |
32de38e4 | 894 | { |
288d5132 KH |
895 | conversion_buffer = space; |
896 | coding->produced = 1; | |
32de38e4 | 897 | } |
08a24c47 | 898 | else |
08a24c47 | 899 | { |
ed8dad6b | 900 | tty_highlight_if_desired (tty); |
32de38e4 | 901 | turn_on_face (f, start->face_id); |
816be8b8 | 902 | glyph = start; |
a168702a | 903 | ++start; |
a4decb7f KH |
904 | /* We must open sufficient space for a character which |
905 | occupies more than one column. */ | |
a168702a | 906 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 907 | { |
fca177d4 | 908 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
909 | start++, len--; |
910 | } | |
288d5132 KH |
911 | |
912 | if (len <= 0) | |
913 | /* This is the last glyph. */ | |
914 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
915 | ||
fad2f685 | 916 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 917 | } |
a4decb7f | 918 | |
288d5132 | 919 | if (coding->produced > 0) |
08a24c47 | 920 | { |
1a935bfd | 921 | BLOCK_INPUT; |
fad2f685 | 922 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
923 | if (ferror (tty->output)) |
924 | clearerr (tty->output); | |
925 | if (tty->termscript) | |
fad2f685 | 926 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 927 | UNBLOCK_INPUT; |
08a24c47 JB |
928 | } |
929 | ||
fca177d4 | 930 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 931 | if (start) |
65aa5e85 GM |
932 | { |
933 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 934 | tty_turn_off_highlight (tty); |
65aa5e85 | 935 | } |
9a6b6f92 | 936 | } |
177c0ea7 | 937 | |
6548cf00 | 938 | cmcheckmagic (tty); |
08a24c47 JB |
939 | } |
940 | ||
da8e1115 KL |
941 | /* An implementation of delete_glyphs for termcap frames. */ |
942 | ||
ed8dad6b | 943 | static void |
385ed61f | 944 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
945 | { |
946 | char *buf; | |
947 | register int i; | |
948 | ||
3224dac1 | 949 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 950 | |
fca177d4 | 951 | if (tty->delete_in_insert_mode) |
08a24c47 | 952 | { |
ed8dad6b | 953 | tty_turn_on_insert (tty); |
08a24c47 JB |
954 | } |
955 | else | |
956 | { | |
ed8dad6b | 957 | tty_turn_off_insert (tty); |
fca177d4 | 958 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
959 | } |
960 | ||
fca177d4 | 961 | if (tty->TS_del_multi_chars) |
08a24c47 | 962 | { |
fca177d4 | 963 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 964 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 965 | xfree (buf); |
08a24c47 JB |
966 | } |
967 | else | |
968 | for (i = 0; i < n; i++) | |
fca177d4 KL |
969 | OUTPUT1 (tty, tty->TS_del_char); |
970 | if (!tty->delete_in_insert_mode) | |
971 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
972 | } |
973 | \f | |
da8e1115 | 974 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 975 | |
ed8dad6b | 976 | static void |
385ed61f | 977 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 978 | { |
3224dac1 KL |
979 | struct tty_display_info *tty = FRAME_TTY (f); |
980 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
981 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
982 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
983 | |
984 | register int i = n > 0 ? n : -n; | |
985 | register char *buf; | |
986 | ||
08a24c47 JB |
987 | /* If the lines below the insertion are being pushed |
988 | into the end of the window, this is the same as clearing; | |
989 | and we know the lines are already clear, since the matching | |
990 | deletion has already been done. So can ignore this. */ | |
991 | /* If the lines below the deletion are blank lines coming | |
992 | out of the end of the window, don't bother, | |
993 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
994 | if (FRAME_SCROLL_REGION_OK (f) |
995 | && vpos + i >= tty->specified_window) | |
08a24c47 | 996 | return; |
3224dac1 KL |
997 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
998 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 999 | return; |
f4d953fc | 1000 | |
08a24c47 JB |
1001 | if (multi) |
1002 | { | |
6839f1e2 | 1003 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1004 | tty_background_highlight (tty); |
08a24c47 | 1005 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1006 | OUTPUT (tty, buf); |
9ac0d9e0 | 1007 | xfree (buf); |
08a24c47 JB |
1008 | } |
1009 | else if (single) | |
1010 | { | |
6839f1e2 | 1011 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1012 | tty_background_highlight (tty); |
08a24c47 | 1013 | while (--i >= 0) |
3224dac1 KL |
1014 | OUTPUT (tty, single); |
1015 | if (tty->TF_teleray) | |
1016 | curX (tty) = 0; | |
08a24c47 JB |
1017 | } |
1018 | else | |
1019 | { | |
ed8dad6b | 1020 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1021 | if (n < 0) |
6839f1e2 | 1022 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1023 | else |
6839f1e2 | 1024 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1025 | tty_background_highlight (tty); |
08a24c47 | 1026 | while (--i >= 0) |
3224dac1 | 1027 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1028 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1029 | } |
f4d953fc | 1030 | |
3224dac1 KL |
1031 | if (!FRAME_SCROLL_REGION_OK (f) |
1032 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1033 | && n < 0) | |
08a24c47 | 1034 | { |
385ed61f KL |
1035 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1036 | clear_to_end (f); | |
08a24c47 JB |
1037 | } |
1038 | } | |
1039 | \f | |
1040 | /* Compute cost of sending "str", in characters, | |
1041 | not counting any line-dependent padding. */ | |
1042 | ||
1043 | int | |
8ea90aa3 | 1044 | string_cost (const char *str) |
08a24c47 JB |
1045 | { |
1046 | cost = 0; | |
1047 | if (str) | |
1048 | tputs (str, 0, evalcost); | |
1049 | return cost; | |
1050 | } | |
1051 | ||
1052 | /* Compute cost of sending "str", in characters, | |
1053 | counting any line-dependent padding at one line. */ | |
1054 | ||
1055 | static int | |
8ea90aa3 | 1056 | string_cost_one_line (const char *str) |
08a24c47 JB |
1057 | { |
1058 | cost = 0; | |
1059 | if (str) | |
1060 | tputs (str, 1, evalcost); | |
1061 | return cost; | |
1062 | } | |
1063 | ||
1064 | /* Compute per line amount of line-dependent padding, | |
1065 | in tenths of characters. */ | |
1066 | ||
1067 | int | |
8ea90aa3 | 1068 | per_line_cost (const char *str) |
08a24c47 JB |
1069 | { |
1070 | cost = 0; | |
1071 | if (str) | |
1072 | tputs (str, 0, evalcost); | |
1073 | cost = - cost; | |
1074 | if (str) | |
1075 | tputs (str, 10, evalcost); | |
1076 | return cost; | |
1077 | } | |
1078 | ||
08a24c47 | 1079 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1080 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1081 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1082 | |
1083 | int *char_ins_del_vector; | |
1084 | ||
9882535b | 1085 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1086 | |
1087 | /* ARGSUSED */ | |
1088 | static void | |
6839f1e2 | 1089 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1090 | { |
28d7d09f | 1091 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1092 | int ins_startup_cost, del_startup_cost; |
1093 | int ins_cost_per_char, del_cost_per_char; | |
1094 | register int i; | |
1095 | register int *p; | |
1096 | ||
fca177d4 | 1097 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1098 | { |
1099 | ins_cost_per_char = 0; | |
fca177d4 | 1100 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1101 | } |
fca177d4 KL |
1102 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1103 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1104 | { |
fca177d4 KL |
1105 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1106 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1107 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1108 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1109 | } |
1110 | else | |
1111 | { | |
1112 | ins_startup_cost = 9999; | |
1113 | ins_cost_per_char = 0; | |
1114 | } | |
1115 | ||
fca177d4 | 1116 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1117 | { |
1118 | del_cost_per_char = 0; | |
fca177d4 | 1119 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1120 | } |
fca177d4 | 1121 | else if (tty->TS_del_char) |
08a24c47 | 1122 | { |
fca177d4 KL |
1123 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1124 | + string_cost (tty->TS_end_delete_mode)); | |
1125 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1126 | del_startup_cost /= 2; |
fca177d4 | 1127 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1128 | } |
1129 | else | |
1130 | { | |
1131 | del_startup_cost = 9999; | |
1132 | del_cost_per_char = 0; | |
1133 | } | |
1134 | ||
1135 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1136 | p = &char_ins_del_cost (f)[0]; |
1137 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1138 | *--p = (del_startup_cost += del_cost_per_char); |
1139 | ||
1140 | /* Doing nothing is free */ | |
fca177d4 | 1141 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1142 | *p++ = 0; |
1143 | ||
1144 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1145 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1146 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1147 | } | |
1148 | ||
dfcf069d | 1149 | void |
6839f1e2 | 1150 | calculate_costs (struct frame *frame) |
08a24c47 | 1151 | { |
9f732a77 | 1152 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1153 | |
28d440ab | 1154 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1155 | { |
1156 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1157 | register char *f = (tty->TS_set_scroll_region | |
1158 | ? tty->TS_set_scroll_region | |
1159 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1160 | |
daf01701 | 1161 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1162 | |
daf01701 | 1163 | tty->costs_set = 1; |
08a24c47 | 1164 | |
daf01701 KL |
1165 | /* These variables are only used for terminal stuff. They are |
1166 | allocated once for the terminal frame of X-windows emacs, but not | |
1167 | used afterwards. | |
8dd0c7cb | 1168 | |
daf01701 KL |
1169 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1170 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1171 | |
daf01701 KL |
1172 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1173 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1174 | |
daf01701 KL |
1175 | if (char_ins_del_vector != 0) |
1176 | char_ins_del_vector | |
1177 | = (int *) xrealloc (char_ins_del_vector, | |
1178 | (sizeof (int) | |
1179 | + 2 * max_frame_cols * sizeof (int))); | |
1180 | else | |
1181 | char_ins_del_vector | |
1182 | = (int *) xmalloc (sizeof (int) | |
1183 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1184 | |
72af86bd AS |
1185 | memset (char_ins_del_vector, 0, |
1186 | (sizeof (int) + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1187 | |
daf01701 KL |
1188 | |
1189 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1190 | do_line_insertion_deletion_costs (frame, | |
1191 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1192 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1193 | f, f, 1); | |
1194 | else | |
1195 | do_line_insertion_deletion_costs (frame, | |
1196 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1197 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1198 | 0, 0, 1); | |
1199 | ||
1200 | calculate_ins_del_char_costs (frame); | |
1201 | ||
1202 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1203 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1204 | tty->RPov = string_cost (tty->TS_repeat); | |
1205 | else | |
1206 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1207 | |
daf01701 KL |
1208 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1209 | } | |
08a24c47 JB |
1210 | } |
1211 | \f | |
a796ac82 JB |
1212 | struct fkey_table { |
1213 | char *cap, *name; | |
1214 | }; | |
1215 | ||
01d8deb0 ER |
1216 | /* Termcap capability names that correspond directly to X keysyms. |
1217 | Some of these (marked "terminfo") aren't supplied by old-style | |
1218 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1219 | except we put the keypad keys first, so that if they clash with | |
1220 | other keys (as on the IBM PC keyboard) they get overridden. | |
1221 | */ | |
1222 | ||
648801d1 | 1223 | static const struct fkey_table keys[] = |
a168702a | 1224 | { |
8103ad1a PJ |
1225 | {"kh", "home"}, /* termcap */ |
1226 | {"kl", "left"}, /* termcap */ | |
1227 | {"ku", "up"}, /* termcap */ | |
1228 | {"kr", "right"}, /* termcap */ | |
1229 | {"kd", "down"}, /* termcap */ | |
1230 | {"%8", "prior"}, /* terminfo */ | |
1231 | {"%5", "next"}, /* terminfo */ | |
1232 | {"@7", "end"}, /* terminfo */ | |
1233 | {"@1", "begin"}, /* terminfo */ | |
1234 | {"*6", "select"}, /* terminfo */ | |
1235 | {"%9", "print"}, /* terminfo */ | |
1236 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1237 | /* |
1238 | * "insert" --- see below | |
1239 | */ | |
8103ad1a PJ |
1240 | {"&8", "undo"}, /* terminfo */ |
1241 | {"%0", "redo"}, /* terminfo */ | |
1242 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1243 | {"@0", "find"}, /* terminfo */ | |
1244 | {"@2", "cancel"}, /* terminfo */ | |
1245 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1246 | /* |
1247 | * "break" goes here, but can't be reliably intercepted with termcap | |
1248 | */ | |
8103ad1a | 1249 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1250 | /* |
1251 | * "system" and "user" --- no termcaps | |
1252 | */ | |
8103ad1a PJ |
1253 | {"kE", "clearline"}, /* terminfo */ |
1254 | {"kA", "insertline"}, /* terminfo */ | |
1255 | {"kL", "deleteline"}, /* terminfo */ | |
1256 | {"kI", "insertchar"}, /* terminfo */ | |
1257 | {"kD", "deletechar"}, /* terminfo */ | |
1258 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1259 | /* |
1260 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1261 | */ | |
8103ad1a | 1262 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1263 | /* |
1264 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1265 | * "kp-multiply", "kp-add", "kp-separator", | |
1266 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1267 | * --- no termcaps for any of these. | |
1268 | */ | |
8103ad1a | 1269 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1270 | /* |
1271 | * "kp-2" --- no termcap | |
1272 | */ | |
8103ad1a | 1273 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1274 | /* |
1275 | * "kp-4" --- no termcap | |
1276 | */ | |
8103ad1a | 1277 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1278 | /* |
1279 | * "kp-6" --- no termcap | |
1280 | */ | |
8103ad1a | 1281 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1282 | /* |
1283 | * "kp-8" --- no termcap | |
1284 | */ | |
8103ad1a | 1285 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1286 | /* |
1287 | * "kp-equal" --- no termcap | |
1288 | */ | |
8103ad1a PJ |
1289 | {"k1", "f1"}, |
1290 | {"k2", "f2"}, | |
1291 | {"k3", "f3"}, | |
1292 | {"k4", "f4"}, | |
1293 | {"k5", "f5"}, | |
1294 | {"k6", "f6"}, | |
1295 | {"k7", "f7"}, | |
1296 | {"k8", "f8"}, | |
60ec7b7e DN |
1297 | {"k9", "f9"}, |
1298 | ||
1299 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1300 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1301 | {"*0", "S-find"}, /*shifted find key*/ | |
1302 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1303 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1304 | {"*7", "S-end"}, /*shifted end key*/ | |
1305 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1306 | {"#1", "S-help"}, /*shifted help key*/ | |
1307 | {"#2", "S-home"}, /*shifted home key*/ | |
1308 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1309 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1310 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1311 | {"%c", "S-next"}, /*shifted next key*/ | |
1312 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1313 | {"%f", "S-print"}, /*shifted print key*/ | |
1314 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1315 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1316 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1317 | }; |
1318 | ||
361358ea | 1319 | #ifndef DOS_NT |
e7cf0fa0 KL |
1320 | static char **term_get_fkeys_address; |
1321 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1322 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1323 | |
4f4a84ec | 1324 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1325 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1326 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1327 | |
ed8dad6b | 1328 | static void |
d3da34e0 | 1329 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1330 | { |
1331 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1332 | errors during the call. The only errors should be from Fdefine_key | |
1333 | when given a key sequence containing an invalid prefix key. If the | |
1334 | termcap defines function keys which use a prefix that is already bound | |
1335 | to a command by the default bindings, we should silently ignore that | |
1336 | function key specification, rather than giving the user an error and | |
1337 | refusing to run at all on such a terminal. */ | |
1338 | ||
e7cf0fa0 KL |
1339 | term_get_fkeys_address = address; |
1340 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1341 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1342 | } | |
1343 | ||
1344 | static Lisp_Object | |
d3da34e0 | 1345 | term_get_fkeys_1 (void) |
5c2c7893 | 1346 | { |
5c2c7893 JB |
1347 | int i; |
1348 | ||
e7cf0fa0 KL |
1349 | char **address = term_get_fkeys_address; |
1350 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1351 | |
3e65092f | 1352 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1353 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1354 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1355 | |
5c2c7893 JB |
1356 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1357 | { | |
1358 | char *sequence = tgetstr (keys[i].cap, address); | |
1359 | if (sequence) | |
4f4a84ec | 1360 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1361 | Fmake_vector (make_number (1), |
1362 | intern (keys[i].name))); | |
5c2c7893 | 1363 | } |
a796ac82 JB |
1364 | |
1365 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1366 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1367 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1368 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1369 | */ | |
1370 | { | |
1371 | char *k_semi = tgetstr ("k;", address); | |
1372 | char *k0 = tgetstr ("k0", address); | |
1373 | char *k0_name = "f10"; | |
1374 | ||
1375 | if (k_semi) | |
1376 | { | |
95c11956 SM |
1377 | if (k0) |
1378 | /* Define f0 first, so that f10 takes precedence in case the | |
1379 | key sequences happens to be the same. */ | |
4f4a84ec | 1380 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1381 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1382 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1383 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1384 | } |
95c11956 | 1385 | else if (k0) |
4f4a84ec | 1386 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1387 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1388 | } |
01d8deb0 ER |
1389 | |
1390 | /* Set up cookies for numbered function keys above f10. */ | |
1391 | { | |
1392 | char fcap[3], fkey[4]; | |
1393 | ||
fc4f24da | 1394 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1395 | for (i = 11; i < 64; i++) |
1396 | { | |
1397 | if (i <= 19) | |
1398 | fcap[1] = '1' + i - 11; | |
1399 | else if (i <= 45) | |
b59ab95c | 1400 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1401 | else |
b59ab95c | 1402 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1403 | |
fc4f24da RS |
1404 | { |
1405 | char *sequence = tgetstr (fcap, address); | |
1406 | if (sequence) | |
1407 | { | |
465db27b | 1408 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1409 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1410 | Fmake_vector (make_number (1), |
1411 | intern (fkey))); | |
fc4f24da RS |
1412 | } |
1413 | } | |
01d8deb0 ER |
1414 | } |
1415 | } | |
1416 | ||
1417 | /* | |
1418 | * Various mappings to try and get a better fit. | |
1419 | */ | |
1420 | { | |
fc4f24da RS |
1421 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1422 | if (!tgetstr (cap1, address)) \ | |
1423 | { \ | |
1424 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1425 | if (sequence) \ |
4f4a84ec | 1426 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1427 | Fmake_vector (make_number (1), \ |
1428 | intern (sym))); \ | |
fc4f24da | 1429 | } |
177c0ea7 | 1430 | |
01d8deb0 | 1431 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1432 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1433 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1434 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1435 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1436 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1437 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1438 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1439 | |
1440 | /* IBM has their own non-standard dialect of terminfo. | |
1441 | If the standard name isn't found, try the IBM name. */ | |
1442 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1443 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1444 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1445 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1446 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1447 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1448 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1449 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1450 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1451 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1452 | } |
a168702a GM |
1453 | |
1454 | return Qnil; | |
5c2c7893 | 1455 | } |
361358ea | 1456 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1457 | |
1458 | \f | |
a168702a GM |
1459 | /*********************************************************************** |
1460 | Character Display Information | |
1461 | ***********************************************************************/ | |
f57e2426 J |
1462 | static void append_glyph (struct it *); |
1463 | static void produce_stretch_glyph (struct it *); | |
1464 | static void append_composite_glyph (struct it *); | |
1465 | static void produce_composite_glyph (struct it *); | |
b18fad6d KH |
1466 | static void append_glyphless_glyph (struct it *, int, char *); |
1467 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); | |
a168702a GM |
1468 | |
1469 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1470 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1471 | the character for which to produce glyphs; IT->face_id contains the | |
1472 | character's face. Padding glyphs are appended if IT->c has a | |
1473 | IT->pixel_width > 1. */ | |
177c0ea7 | 1474 | |
a168702a | 1475 | static void |
d3da34e0 | 1476 | append_glyph (struct it *it) |
a168702a GM |
1477 | { |
1478 | struct glyph *glyph, *end; | |
1479 | int i; | |
1480 | ||
1481 | xassert (it->glyph_row); | |
1482 | glyph = (it->glyph_row->glyphs[it->area] | |
1483 | + it->glyph_row->used[it->area]); | |
1484 | end = it->glyph_row->glyphs[1 + it->area]; | |
1485 | ||
5e65aec0 EZ |
1486 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1487 | than append it. */ | |
1488 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1489 | { | |
1490 | struct glyph *g; | |
1491 | int move_by = it->pixel_width; | |
1492 | ||
1493 | /* Make room for the new glyphs. */ | |
1494 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1495 | move_by = end - glyph; | |
1496 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1497 | g[move_by] = *g; | |
1498 | glyph = it->glyph_row->glyphs[it->area]; | |
1499 | end = glyph + move_by; | |
1500 | } | |
1501 | ||
1502 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1503 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1504 | identical, and (b) the PADDING_P flag needs to be set for the | |
1505 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1506 | for (i = 0; |
1507 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1508 | ++i) |
1509 | { | |
1510 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1511 | glyph->pixel_width = 1; |
d2b4c17d | 1512 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1513 | glyph->face_id = it->face_id; |
1514 | glyph->padding_p = i > 0; | |
a168702a GM |
1515 | glyph->charpos = CHARPOS (it->position); |
1516 | glyph->object = it->object; | |
5e65aec0 EZ |
1517 | if (it->bidi_p) |
1518 | { | |
1519 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1520 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1521 | abort (); | |
5e65aec0 EZ |
1522 | glyph->bidi_type = it->bidi_it.type; |
1523 | } | |
9443b3c7 EZ |
1524 | else |
1525 | { | |
1526 | glyph->resolved_level = 0; | |
1527 | glyph->bidi_type = UNKNOWN_BT; | |
1528 | } | |
177c0ea7 | 1529 | |
a168702a GM |
1530 | ++it->glyph_row->used[it->area]; |
1531 | ++glyph; | |
1532 | } | |
1533 | } | |
1534 | ||
b50fe468 RS |
1535 | /* Produce glyphs for the display element described by IT. *IT |
1536 | specifies what we want to produce a glyph for (character, image, ...), | |
1537 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1538 | produce_glyphs fills in output fields of *IT with information such as the | |
1539 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1540 | the same time if IT->glyph_row is non-null. For an overview, see |
1541 | the explanation in dispextern.h, before the definition of the | |
1542 | display_element_type enumeration. | |
b50fe468 RS |
1543 | |
1544 | produce_glyphs also stores the result of glyph width, ascent | |
1545 | etc. computations in *IT. | |
1546 | ||
1547 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1548 | actually fill in the glyphs. This is used in the move_* functions | |
1549 | in xdisp.c for text width and height computations. | |
1550 | ||
1551 | Callers usually don't call produce_glyphs directly; | |
1552 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1553 | |
177c0ea7 | 1554 | void |
d3da34e0 | 1555 | produce_glyphs (struct it *it) |
a168702a GM |
1556 | { |
1557 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1558 | |
1559 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1560 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1561 | || it->what == IT_COMPOSITION |
a168702a | 1562 | || it->what == IT_STRETCH); |
177c0ea7 | 1563 | |
6b61353c KH |
1564 | if (it->what == IT_STRETCH) |
1565 | { | |
1566 | produce_stretch_glyph (it); | |
1567 | goto done; | |
1568 | } | |
1569 | ||
4c12d738 KH |
1570 | if (it->what == IT_COMPOSITION) |
1571 | { | |
1572 | produce_composite_glyph (it); | |
1573 | goto done; | |
1574 | } | |
a168702a | 1575 | |
b18fad6d KH |
1576 | if (it->what == IT_GLYPHLESS) |
1577 | { | |
1578 | produce_glyphless_glyph (it, 0, Qnil); | |
1579 | goto done; | |
1580 | } | |
1581 | ||
d419e1d9 | 1582 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1583 | { |
1584 | it->pixel_width = it->nglyphs = 1; | |
1585 | if (it->glyph_row) | |
1586 | append_glyph (it); | |
1587 | } | |
d419e1d9 | 1588 | else if (it->char_to_display == '\n') |
a168702a | 1589 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1590 | else if (it->char_to_display == '\t') |
a168702a | 1591 | { |
2efdbcdd | 1592 | int absolute_x = (it->current_x |
a168702a | 1593 | + it->continuation_lines_width); |
177c0ea7 JB |
1594 | int next_tab_x |
1595 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1596 | / it->tab_width) |
1597 | * it->tab_width); | |
1598 | int nspaces; | |
1599 | ||
1600 | /* If part of the TAB has been displayed on the previous line | |
1601 | which is continued now, continuation_lines_width will have | |
1602 | been incremented already by the part that fitted on the | |
1603 | continued line. So, we will get the right number of spaces | |
1604 | here. */ | |
1605 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1606 | |
a168702a GM |
1607 | if (it->glyph_row) |
1608 | { | |
1609 | int n = nspaces; | |
177c0ea7 | 1610 | |
d2b4c17d | 1611 | it->char_to_display = ' '; |
a168702a | 1612 | it->pixel_width = it->len = 1; |
177c0ea7 | 1613 | |
a168702a GM |
1614 | while (n--) |
1615 | append_glyph (it); | |
a168702a GM |
1616 | } |
1617 | ||
1618 | it->pixel_width = nspaces; | |
1619 | it->nglyphs = nspaces; | |
1620 | } | |
d419e1d9 | 1621 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1622 | { |
d419e1d9 KH |
1623 | /* Coming here means that we must send the raw 8-bit byte as is |
1624 | to the terminal. Although there's no way to know how many | |
1625 | columns it occupies on a screen, it is a good assumption that | |
1626 | a single byte code has 1-column width. */ | |
1627 | it->pixel_width = it->nglyphs = 1; | |
1628 | if (it->glyph_row) | |
1629 | append_glyph (it); | |
add44890 | 1630 | } |
a168702a GM |
1631 | else |
1632 | { | |
b18fad6d | 1633 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1634 | |
b18fad6d KH |
1635 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1636 | { | |
1637 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1638 | it->nglyphs = it->pixel_width; | |
1639 | if (it->glyph_row) | |
1640 | append_glyph (it); | |
1641 | } | |
1642 | else | |
1643 | { | |
1644 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1645 | ||
1646 | xassert (it->what == IT_GLYPHLESS); | |
1647 | produce_glyphless_glyph (it, 1, acronym); | |
1648 | } | |
a168702a GM |
1649 | } |
1650 | ||
6b61353c | 1651 | done: |
177c0ea7 | 1652 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1653 | the caller. */ |
1654 | if (it->area == TEXT_AREA) | |
1655 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1656 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1657 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1658 | } |
1659 | ||
1660 | ||
6b61353c KH |
1661 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1662 | of the glyph property displayed. The value must be a list | |
1663 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1664 | being recognized: | |
1665 | ||
1666 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1667 | canonical char width wide. WIDTH may be an integer or floating | |
1668 | point number. | |
1669 | ||
1670 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1671 | to reach HPOS, a value in canonical character units. */ | |
1672 | ||
1673 | static void | |
d3da34e0 | 1674 | produce_stretch_glyph (struct it *it) |
6b61353c KH |
1675 | { |
1676 | /* (space :width WIDTH ...) */ | |
1677 | Lisp_Object prop, plist; | |
1678 | int width = 0, align_to = -1; | |
1679 | int zero_width_ok_p = 0; | |
1680 | double tem; | |
1681 | ||
1682 | /* List should start with `space'. */ | |
1683 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1684 | plist = XCDR (it->object); | |
1685 | ||
1686 | /* Compute the width of the stretch. */ | |
1687 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1688 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1689 | { | |
1690 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1691 | zero_width_ok_p = 1; | |
1692 | width = (int)(tem + 0.5); | |
1693 | } | |
1694 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1695 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1696 | { | |
1697 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1698 | align_to = (align_to < 0 |
6b61353c KH |
1699 | ? 0 |
1700 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1701 | else if (align_to < 0) | |
1702 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1703 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1704 | zero_width_ok_p = 1; | |
1705 | } | |
1706 | else | |
1707 | /* Nothing specified -> width defaults to canonical char width. */ | |
1708 | width = FRAME_COLUMN_WIDTH (it->f); | |
1709 | ||
1710 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1711 | width = 1; | |
1712 | ||
d5221487 CY |
1713 | if (width > 0 && it->line_wrap != TRUNCATE |
1714 | && it->current_x + width > it->last_visible_x) | |
1715 | width = it->last_visible_x - it->current_x - 1; | |
1716 | ||
6b61353c KH |
1717 | if (width > 0 && it->glyph_row) |
1718 | { | |
1719 | Lisp_Object o_object = it->object; | |
1720 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1721 | int n = width; | |
6b61353c KH |
1722 | |
1723 | if (!STRINGP (object)) | |
1724 | object = it->w->buffer; | |
1725 | it->object = object; | |
d2b4c17d | 1726 | it->char_to_display = ' '; |
6b61353c KH |
1727 | it->pixel_width = it->len = 1; |
1728 | while (n--) | |
1729 | append_glyph (it); | |
1730 | it->object = o_object; | |
6b61353c KH |
1731 | } |
1732 | it->pixel_width = width; | |
1733 | it->nglyphs = width; | |
1734 | } | |
1735 | ||
1736 | ||
4c12d738 KH |
1737 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1738 | Called from produce_composite_glyph for terminal frames if | |
1739 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1740 | face. */ | |
1741 | ||
1742 | static void | |
d3da34e0 | 1743 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1744 | { |
1745 | struct glyph *glyph; | |
1746 | ||
1747 | xassert (it->glyph_row); | |
1748 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1749 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1750 | { | |
93d68d0c EZ |
1751 | /* If the glyph row is reversed, we need to prepend the glyph |
1752 | rather than append it. */ | |
1753 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1754 | { | |
1755 | struct glyph *g; | |
1756 | ||
1757 | /* Make room for the new glyph. */ | |
1758 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1759 | g[1] = *g; | |
1760 | glyph = it->glyph_row->glyphs[it->area]; | |
1761 | } | |
4c12d738 KH |
1762 | glyph->type = COMPOSITE_GLYPH; |
1763 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1764 | glyph->u.cmp.id = it->cmp_it.id; |
1765 | if (it->cmp_it.ch < 0) | |
1766 | { | |
1767 | glyph->u.cmp.automatic = 0; | |
1768 | glyph->u.cmp.id = it->cmp_it.id; | |
1769 | } | |
1770 | else | |
1771 | { | |
1772 | glyph->u.cmp.automatic = 1; | |
1773 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1774 | glyph->slice.cmp.from = it->cmp_it.from; |
1775 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1776 | } |
1777 | ||
4c12d738 KH |
1778 | glyph->face_id = it->face_id; |
1779 | glyph->padding_p = 0; | |
1780 | glyph->charpos = CHARPOS (it->position); | |
1781 | glyph->object = it->object; | |
93d68d0c EZ |
1782 | if (it->bidi_p) |
1783 | { | |
1784 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1785 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1786 | abort (); | |
1787 | glyph->bidi_type = it->bidi_it.type; | |
1788 | } | |
1789 | else | |
1790 | { | |
1791 | glyph->resolved_level = 0; | |
1792 | glyph->bidi_type = UNKNOWN_BT; | |
1793 | } | |
4c12d738 KH |
1794 | |
1795 | ++it->glyph_row->used[it->area]; | |
1796 | ++glyph; | |
1797 | } | |
1798 | } | |
1799 | ||
1800 | ||
1801 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1802 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1803 | assuming that the terminal has a capability to layout/render it |
1804 | correctly. */ | |
4c12d738 KH |
1805 | |
1806 | static void | |
d3da34e0 | 1807 | produce_composite_glyph (struct it *it) |
4c12d738 | 1808 | { |
75a10786 KH |
1809 | if (it->cmp_it.ch < 0) |
1810 | { | |
1811 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1812 | ||
d0984aff | 1813 | it->pixel_width = cmp->width; |
75a10786 KH |
1814 | } |
1815 | else | |
1816 | { | |
1817 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1818 | |
75a10786 KH |
1819 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1820 | it->cmp_it.to, NULL); | |
1821 | } | |
1822 | it->nglyphs = 1; | |
4c12d738 KH |
1823 | if (it->glyph_row) |
1824 | append_composite_glyph (it); | |
1825 | } | |
1826 | ||
1827 | ||
b18fad6d | 1828 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1829 | is a face ID to be used for the glyph. What is actually appended |
1830 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1831 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1832 | |
1833 | static void | |
1834 | append_glyphless_glyph (struct it *it, int face_id, char *str) | |
1835 | { | |
1836 | struct glyph *glyph, *end; | |
b18fad6d KH |
1837 | int i; |
1838 | ||
1839 | xassert (it->glyph_row); | |
1840 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1841 | end = it->glyph_row->glyphs[1 + it->area]; | |
1842 | ||
1843 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1844 | than append it. */ | |
1845 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1846 | { | |
1847 | struct glyph *g; | |
1848 | int move_by = it->pixel_width; | |
1849 | ||
1850 | /* Make room for the new glyphs. */ | |
1851 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1852 | move_by = end - glyph; | |
1853 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1854 | g[move_by] = *g; | |
1855 | glyph = it->glyph_row->glyphs[it->area]; | |
1856 | end = glyph + move_by; | |
1857 | } | |
1858 | ||
1859 | if (glyph >= end) | |
1860 | return; | |
1861 | glyph->type = CHAR_GLYPH; | |
1862 | glyph->pixel_width = 1; | |
1863 | glyph->face_id = face_id; | |
1864 | glyph->padding_p = 0; | |
1865 | glyph->charpos = CHARPOS (it->position); | |
1866 | glyph->object = it->object; | |
1867 | if (it->bidi_p) | |
1868 | { | |
1869 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1870 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1871 | abort (); | |
1872 | glyph->bidi_type = it->bidi_it.type; | |
1873 | } | |
1874 | else | |
1875 | { | |
1876 | glyph->resolved_level = 0; | |
1877 | glyph->bidi_type = UNKNOWN_BT; | |
1878 | } | |
1879 | ||
1880 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1881 | the REVERSED_P case because we write to the terminal | |
1882 | left-to-right. */ | |
1883 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1884 | { | |
1885 | if (i > 0) | |
1886 | glyph[0] = glyph[-1]; | |
1887 | glyph->u.ch = str[i]; | |
1888 | ++it->glyph_row->used[it->area]; | |
1889 | ++glyph; | |
1890 | } | |
1891 | } | |
1892 | ||
b18fad6d KH |
1893 | /* Produce glyphs for a glyphless character for iterator IT. |
1894 | IT->glyphless_method specifies which method to use for displaying | |
1895 | the character. See the description of enum | |
0eb025fb | 1896 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1897 | |
1898 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
1899 | is not supproted by the coding system of the terminal. ACRONYM, if | |
1900 | non-nil, is an acronym string for the character. | |
1901 | ||
1902 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1903 | ||
1904 | static void | |
1905 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1906 | { | |
1907 | int face_id; | |
0eb025fb | 1908 | int len; |
7c2d713b | 1909 | char buf[9], *str = " "; |
b18fad6d KH |
1910 | |
1911 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1912 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1913 | if (it->f == last_glyphless_glyph_frame |
1914 | && it->face_id == last_glyphless_glyph_face_id) | |
1915 | { | |
1916 | face_id = last_glyphless_glyph_merged_face_id; | |
1917 | } | |
1918 | else | |
1919 | { | |
1920 | /* Merge the `glyphless-char' face into the current face. */ | |
1921 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1922 | last_glyphless_glyph_frame = it->f; | |
1923 | last_glyphless_glyph_face_id = it->face_id; | |
1924 | last_glyphless_glyph_merged_face_id = face_id; | |
1925 | } | |
1926 | ||
1927 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1928 | { | |
0eb025fb EZ |
1929 | /* As there's no way to produce a thin space, we produce a space |
1930 | of canonical width. */ | |
b18fad6d KH |
1931 | len = 1; |
1932 | } | |
1933 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1934 | { | |
1935 | len = CHAR_WIDTH (it->c); | |
1936 | if (len == 0) | |
1937 | len = 1; | |
0eb025fb | 1938 | else if (len > 4) |
b18fad6d | 1939 | len = 4; |
0eb025fb EZ |
1940 | sprintf (buf, "[%.*s]", len, str); |
1941 | len += 2; | |
1942 | str = buf; | |
b18fad6d KH |
1943 | } |
1944 | else | |
1945 | { | |
1946 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1947 | { | |
b18fad6d KH |
1948 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1949 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
1950 | buf[0] = '['; | |
51b59d79 | 1951 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1952 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1953 | buf[1 + len] = str[len]; | |
1954 | buf[1 + len] = ']'; | |
1955 | len += 2; | |
1956 | } | |
1957 | else | |
1958 | { | |
0eb025fb | 1959 | xassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1960 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1961 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1962 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1963 | } |
1964 | str = buf; | |
1965 | } | |
1966 | ||
1967 | it->pixel_width = len; | |
1968 | it->nglyphs = len; | |
1969 | if (len > 0 && it->glyph_row) | |
1970 | append_glyphless_glyph (it, face_id, str); | |
1971 | } | |
1972 | ||
1973 | ||
a168702a GM |
1974 | /* Get information about special display element WHAT in an |
1975 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1976 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1977 | non-null glyph_row member. This function ensures that fields like | |
1978 | face_id, c, len of IT are left untouched. */ | |
1979 | ||
1980 | void | |
d3da34e0 | 1981 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
1982 | { |
1983 | struct it temp_it; | |
f4d953fc | 1984 | Lisp_Object gc; |
072d84a6 | 1985 | GLYPH glyph; |
177c0ea7 | 1986 | |
a168702a GM |
1987 | temp_it = *it; |
1988 | temp_it.dp = NULL; | |
1989 | temp_it.what = IT_CHARACTER; | |
1990 | temp_it.len = 1; | |
7c752c80 | 1991 | temp_it.object = make_number (0); |
72af86bd | 1992 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
1993 | |
1994 | if (what == IT_CONTINUATION) | |
1995 | { | |
26cdf528 EZ |
1996 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
1997 | if (it->bidi_it.paragraph_dir == R2L) | |
1998 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
1999 | else | |
2000 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 2001 | if (it->dp |
f4d953fc KS |
2002 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2003 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2004 | { |
26cdf528 | 2005 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2006 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2007 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2008 | } |
a168702a GM |
2009 | } |
2010 | else if (what == IT_TRUNCATION) | |
2011 | { | |
2012 | /* Truncation glyph. */ | |
f4d953fc | 2013 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 2014 | if (it->dp |
f4d953fc KS |
2015 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2016 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2017 | { |
26cdf528 | 2018 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2019 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2020 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2021 | } |
a168702a GM |
2022 | } |
2023 | else | |
2024 | abort (); | |
072d84a6 | 2025 | |
d419e1d9 | 2026 | temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph); |
f4d953fc | 2027 | temp_it.face_id = GLYPH_FACE (glyph); |
072d84a6 RS |
2028 | temp_it.len = CHAR_BYTES (temp_it.c); |
2029 | ||
2030 | produce_glyphs (&temp_it); | |
2031 | it->pixel_width = temp_it.pixel_width; | |
2032 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
2033 | } |
2034 | ||
2035 | ||
a168702a GM |
2036 | \f |
2037 | /*********************************************************************** | |
2038 | Faces | |
2039 | ***********************************************************************/ | |
2040 | ||
4e6ba4a4 GM |
2041 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2042 | one of the enumerators from enum no_color_bit, or a bit set built | |
2043 | from them. Some display attributes may not be used together with | |
2044 | color; the termcap capability `NC' specifies which ones. */ | |
2045 | ||
fca177d4 KL |
2046 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
2047 | (tty->TN_max_colors > 0 \ | |
2048 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
2049 | : 1) | |
a168702a | 2050 | |
072d84a6 RS |
2051 | /* Turn appearances of face FACE_ID on tty frame F on. |
2052 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
2053 | |
2054 | static void | |
d3da34e0 | 2055 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
2056 | { |
2057 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2058 | long fg = face->foreground; |
2059 | long bg = face->background; | |
28d7d09f | 2060 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2061 | |
86a7d192 GM |
2062 | /* Do this first because TS_end_standout_mode may be the same |
2063 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 2064 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 2065 | { |
fca177d4 | 2066 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
2067 | { |
2068 | if (fg >= 0 && bg >= 0) | |
2069 | { | |
2070 | /* If the terminal supports colors, we can set them | |
2071 | below without using reverse video. The face's fg | |
2072 | and bg colors are set as they should appear on | |
2073 | the screen, i.e. they take the inverse-video'ness | |
2074 | of the face already into account. */ | |
2075 | } | |
2076 | else if (inverse_video) | |
2077 | { | |
2078 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2079 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2080 | tty_toggle_highlight (tty); |
86a7d192 GM |
2081 | } |
2082 | else | |
2083 | { | |
2084 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2085 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2086 | tty_toggle_highlight (tty); |
86a7d192 GM |
2087 | } |
2088 | } | |
2089 | else | |
2090 | { | |
2091 | /* If we can't display colors, use reverse video | |
2092 | if the face specifies that. */ | |
37526b42 GM |
2093 | if (inverse_video) |
2094 | { | |
2095 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2096 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2097 | tty_toggle_highlight (tty); |
37526b42 GM |
2098 | } |
2099 | else | |
2100 | { | |
2101 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2102 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2103 | tty_toggle_highlight (tty); |
37526b42 | 2104 | } |
86a7d192 GM |
2105 | } |
2106 | } | |
a168702a | 2107 | |
4189ed40 CY |
2108 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2109 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2110 | ||
2111 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
2112 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
2113 | |
2114 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 2115 | if (face->tty_alt_charset_p |
fca177d4 KL |
2116 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
2117 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 2118 | |
4e6ba4a4 | 2119 | if (face->tty_blinking_p |
fca177d4 KL |
2120 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
2121 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 2122 | |
fca177d4 KL |
2123 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2124 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2125 | |
fca177d4 | 2126 | if (tty->TN_max_colors > 0) |
a168702a | 2127 | { |
753d161b | 2128 | char *ts, *p; |
177c0ea7 | 2129 | |
fbf34973 | 2130 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2131 | if (fg >= 0 && ts) |
a168702a | 2132 | { |
fbf34973 | 2133 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 2134 | OUTPUT (tty, p); |
a168702a GM |
2135 | xfree (p); |
2136 | } | |
2137 | ||
fbf34973 | 2138 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2139 | if (bg >= 0 && ts) |
a168702a | 2140 | { |
fbf34973 | 2141 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2142 | OUTPUT (tty, p); |
a168702a GM |
2143 | xfree (p); |
2144 | } | |
2145 | } | |
2146 | } | |
177c0ea7 | 2147 | |
a168702a GM |
2148 | |
2149 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2150 | ||
2151 | static void | |
d3da34e0 | 2152 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2153 | { |
2154 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2155 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2156 | |
2157 | xassert (face != NULL); | |
2158 | ||
fca177d4 | 2159 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2160 | { |
2161 | /* Capability "me" will turn off appearance modes double-bright, | |
2162 | half-bright, reverse-video, standout, underline. It may or | |
2163 | may not turn off alt-char-mode. */ | |
2164 | if (face->tty_bold_p | |
2165 | || face->tty_dim_p | |
2166 | || face->tty_reverse_p | |
2167 | || face->tty_alt_charset_p | |
2168 | || face->tty_blinking_p | |
2169 | || face->tty_underline_p) | |
65aa5e85 | 2170 | { |
fca177d4 KL |
2171 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2172 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2173 | tty->standout_mode = 0; | |
65aa5e85 | 2174 | } |
a168702a GM |
2175 | |
2176 | if (face->tty_alt_charset_p) | |
fca177d4 | 2177 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2178 | } |
2179 | else | |
2180 | { | |
2181 | /* If we don't have "me" we can only have those appearances | |
2182 | that have exit sequences defined. */ | |
2183 | if (face->tty_alt_charset_p) | |
fca177d4 | 2184 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2185 | |
54800acb | 2186 | if (face->tty_underline_p) |
fca177d4 | 2187 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2188 | } |
2189 | ||
2190 | /* Switch back to default colors. */ | |
fca177d4 | 2191 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2192 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2193 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2194 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2195 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2196 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2197 | } |
177c0ea7 JB |
2198 | |
2199 | ||
b63a55ac MB |
2200 | /* Return non-zero if the terminal on frame F supports all of the |
2201 | capabilities in CAPS simultaneously, with foreground and background | |
2202 | colors FG and BG. */ | |
2203 | ||
4a8130f2 | 2204 | int |
d3da34e0 JB |
2205 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2206 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2207 | { |
fca177d4 KL |
2208 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2209 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2210 | return 0; |
2211 | ||
fca177d4 KL |
2212 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2213 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2214 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2215 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2216 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2217 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2218 | |
2219 | /* We can do it! */ | |
2220 | return 1; | |
2221 | } | |
2222 | ||
a168702a GM |
2223 | /* Return non-zero if the terminal is capable to display colors. */ |
2224 | ||
2225 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2226 | 0, 1, 0, |
6ed8eeff KL |
2227 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2228 | ||
401e9e57 CY |
2229 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2230 | selected frame's terminal). This function always returns nil if | |
2231 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2232 | (Lisp_Object terminal) |
a168702a | 2233 | { |
717a00ef | 2234 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2235 | if (!t) |
428a555e | 2236 | return Qnil; |
3224dac1 | 2237 | else |
6ed8eeff | 2238 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2239 | } |
2240 | ||
bfa62f96 EZ |
2241 | /* Return the number of supported colors. */ |
2242 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2243 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2244 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2245 | ||
401e9e57 CY |
2246 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2247 | selected frame's terminal). This function always returns 0 if | |
2248 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2249 | (Lisp_Object terminal) |
bfa62f96 | 2250 | { |
717a00ef | 2251 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2252 | if (!t) |
8c8d5f35 | 2253 | return make_number (0); |
3224dac1 | 2254 | else |
6ed8eeff | 2255 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2256 | } |
2257 | ||
84704c5c | 2258 | #ifndef DOS_NT |
a168702a | 2259 | |
5205ee62 GM |
2260 | /* Declare here rather than in the function, as in the rest of Emacs, |
2261 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2262 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2263 | static int default_max_colors; |
2264 | static int default_max_pairs; | |
2265 | static int default_no_color_video; | |
2266 | static char *default_orig_pair; | |
2267 | static char *default_set_foreground; | |
2268 | static char *default_set_background; | |
fcf8ff2e | 2269 | |
ace28297 EZ |
2270 | /* Save or restore the default color-related capabilities of this |
2271 | terminal. */ | |
2272 | static void | |
28d7d09f | 2273 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2274 | { |
ace28297 EZ |
2275 | |
2276 | if (save) | |
2277 | { | |
70fdbb46 | 2278 | xfree (default_orig_pair); |
fca177d4 | 2279 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2280 | |
70fdbb46 | 2281 | xfree (default_set_foreground); |
fca177d4 | 2282 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2283 | : NULL; |
2284 | ||
70fdbb46 | 2285 | xfree (default_set_background); |
fca177d4 | 2286 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2287 | : NULL; |
2288 | ||
fca177d4 KL |
2289 | default_max_colors = tty->TN_max_colors; |
2290 | default_max_pairs = tty->TN_max_pairs; | |
2291 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2292 | } |
2293 | else | |
2294 | { | |
fca177d4 KL |
2295 | tty->TS_orig_pair = default_orig_pair; |
2296 | tty->TS_set_foreground = default_set_foreground; | |
2297 | tty->TS_set_background = default_set_background; | |
2298 | tty->TN_max_colors = default_max_colors; | |
2299 | tty->TN_max_pairs = default_max_pairs; | |
2300 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2301 | } |
2302 | } | |
2303 | ||
2304 | /* Setup one of the standard tty color schemes according to MODE. | |
2305 | MODE's value is generally the number of colors which we want to | |
2306 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2307 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2308 | static void |
28d7d09f | 2309 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2310 | { |
6b61353c KH |
2311 | /* Canonicalize all negative values of MODE. */ |
2312 | if (mode < -1) | |
2313 | mode = -1; | |
2314 | ||
ace28297 EZ |
2315 | switch (mode) |
2316 | { | |
2317 | case -1: /* no colors at all */ | |
fca177d4 KL |
2318 | tty->TN_max_colors = 0; |
2319 | tty->TN_max_pairs = 0; | |
2320 | tty->TN_no_color_video = 0; | |
2321 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2322 | break; |
2323 | case 0: /* default colors, if any */ | |
2324 | default: | |
fca177d4 | 2325 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2326 | break; |
2327 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2328 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2329 | #ifdef TERMINFO |
fca177d4 KL |
2330 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2331 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2332 | #else |
fca177d4 KL |
2333 | tty->TS_set_foreground = "\033[3%dm"; |
2334 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2335 | #endif |
fca177d4 KL |
2336 | tty->TN_max_colors = 8; |
2337 | tty->TN_max_pairs = 64; | |
2338 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2339 | break; |
2340 | } | |
2341 | } | |
2342 | ||
2343 | void | |
d3da34e0 | 2344 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2345 | { |
ce5b453a | 2346 | Lisp_Object tem, val; |
9b2cd403 SM |
2347 | Lisp_Object color_mode; |
2348 | int mode; | |
9b2cd403 SM |
2349 | Lisp_Object tty_color_mode_alist |
2350 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2351 | |
c23b5410 | 2352 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2353 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2354 | |
6b61353c | 2355 | if (INTEGERP (val)) |
ace28297 | 2356 | color_mode = val; |
ce5b453a | 2357 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2358 | { |
ce5b453a | 2359 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2360 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2361 | } |
ce5b453a SM |
2362 | else |
2363 | color_mode = Qnil; | |
6b61353c | 2364 | |
9b2cd403 | 2365 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2366 | |
9b2cd403 | 2367 | if (mode != tty->previous_color_mode) |
ace28297 | 2368 | { |
9b2cd403 SM |
2369 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2370 | tty->previous_color_mode = mode; | |
2371 | tty_setup_colors (tty , mode); | |
2372 | /* This recomputes all the faces given the new color definitions. */ | |
2373 | safe_call (1, &funsym); | |
ace28297 EZ |
2374 | } |
2375 | } | |
2376 | ||
84704c5c | 2377 | #endif /* !DOS_NT */ |
a168702a GM |
2378 | |
2379 | \f | |
28d440ab | 2380 | |
6ed8eeff | 2381 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2382 | |
6ed8eeff | 2383 | struct terminal * |
717a00ef | 2384 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2385 | { |
717a00ef | 2386 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2387 | |
84704c5c | 2388 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2389 | { |
2390 | if (throw) | |
2391 | error ("Device %d is not a termcap terminal device", t->id); | |
2392 | else | |
2393 | return NULL; | |
2394 | } | |
b6660415 | 2395 | |
6ed8eeff | 2396 | return t; |
b6660415 KL |
2397 | } |
2398 | ||
ab797f65 KL |
2399 | /* Return an active termcap device that uses the tty device with the |
2400 | given name. | |
b6660415 | 2401 | |
7e59217d | 2402 | This function ignores suspended devices. |
da8e1115 KL |
2403 | |
2404 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2405 | |
6ed8eeff | 2406 | struct terminal * |
8ea90aa3 | 2407 | get_named_tty (const char *name) |
28d440ab | 2408 | { |
6ed8eeff KL |
2409 | struct terminal *t; |
2410 | ||
ab797f65 KL |
2411 | if (!name) |
2412 | abort (); | |
2413 | ||
2414 | for (t = terminal_list; t; t = t->next_terminal) | |
2415 | { | |
5cc67f65 | 2416 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2417 | && !strcmp (t->display_info.tty->name, name) |
2418 | && TERMINAL_ACTIVE_P (t)) | |
2419 | return t; | |
2420 | } | |
28d440ab KL |
2421 | |
2422 | return 0; | |
2423 | } | |
2424 | ||
2425 | \f | |
6ed8eeff KL |
2426 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2427 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2428 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2429 | |
401e9e57 CY |
2430 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2431 | selected frame's terminal). */) | |
5842a27b | 2432 | (Lisp_Object terminal) |
b6660415 | 2433 | { |
6ed8eeff | 2434 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2435 | |
84704c5c | 2436 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2437 | return Qnil; |
2438 | ||
6ed8eeff KL |
2439 | if (t->display_info.tty->type) |
2440 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2441 | else |
2442 | return Qnil; | |
2443 | } | |
2444 | ||
6ed8eeff | 2445 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2446 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2447 | |
401e9e57 CY |
2448 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2449 | selected frame's terminal). This function always returns nil if | |
2450 | TERMINAL is not on a tty device. */) | |
5842a27b | 2451 | (Lisp_Object terminal) |
4a933ef8 | 2452 | { |
6ed8eeff | 2453 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2454 | |
84704c5c EZ |
2455 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2456 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2457 | return Qnil; |
2458 | else | |
2459 | return Qt; | |
2460 | } | |
2461 | ||
a3fbb897 | 2462 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2463 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2464 | This is used to override the terminfo data, for certain terminals that |
2465 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2466 | no effect if used on a non-tty terminal. |
a3fbb897 | 2467 | |
401e9e57 CY |
2468 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2469 | selected frame's terminal). This function always returns nil if | |
2470 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2471 | (Lisp_Object terminal) |
a3fbb897 | 2472 | { |
6ed8eeff | 2473 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2474 | |
6ed8eeff KL |
2475 | if (t->type == output_termcap) |
2476 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2477 | return Qnil; |
2478 | } | |
2479 | ||
ed8dad6b KL |
2480 | \f |
2481 | ||
2482 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2483 | doc: /* Suspend the terminal device TTY. | |
2484 | ||
2485 | The device is restored to its default state, and Emacs ceases all | |
2486 | access to the tty device. Frames that use the device are not deleted, | |
2487 | but input is not read from them and if they change, their display is | |
2488 | not updated. | |
2489 | ||
401e9e57 CY |
2490 | TTY may be a terminal object, a frame, or nil for the terminal device |
2491 | of the currently selected frame. | |
ed8dad6b | 2492 | |
e4019195 | 2493 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2494 | device. The functions are run with one arg, the id of the suspended |
2495 | terminal device. | |
2496 | ||
2497 | `suspend-tty' does nothing if it is called on a device that is already | |
2498 | suspended. | |
2499 | ||
2500 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2501 | (Lisp_Object tty) |
ed8dad6b | 2502 | { |
717a00ef | 2503 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2504 | FILE *f; |
f4d953fc | 2505 | |
6ed8eeff | 2506 | if (!t) |
ed8dad6b KL |
2507 | error ("Unknown tty device"); |
2508 | ||
6ed8eeff | 2509 | f = t->display_info.tty->input; |
f4d953fc | 2510 | |
ed8dad6b KL |
2511 | if (f) |
2512 | { | |
23d4cba5 DN |
2513 | /* First run `suspend-tty-functions' and then clean up the tty |
2514 | state because `suspend-tty-functions' might need to change | |
2515 | the tty state. */ | |
2516 | if (!NILP (Vrun_hooks)) | |
2517 | { | |
2518 | Lisp_Object args[2]; | |
2519 | args[0] = intern ("suspend-tty-functions"); | |
2520 | XSETTERMINAL (args[1], t); | |
2521 | Frun_hook_with_args (2, args); | |
2522 | } | |
2523 | ||
6ed8eeff | 2524 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2525 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2526 | |
84704c5c | 2527 | #ifndef MSDOS |
ed8dad6b | 2528 | fclose (f); |
6ed8eeff KL |
2529 | if (f != t->display_info.tty->output) |
2530 | fclose (t->display_info.tty->output); | |
84704c5c | 2531 | #endif |
f4d953fc | 2532 | |
6ed8eeff KL |
2533 | t->display_info.tty->input = 0; |
2534 | t->display_info.tty->output = 0; | |
ed8dad6b | 2535 | |
6ed8eeff KL |
2536 | if (FRAMEP (t->display_info.tty->top_frame)) |
2537 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2538 | |
ed8dad6b KL |
2539 | } |
2540 | ||
4a665758 KL |
2541 | /* Clear display hooks to prevent further output. */ |
2542 | clear_tty_hooks (t); | |
2543 | ||
ed8dad6b KL |
2544 | return Qnil; |
2545 | } | |
2546 | ||
2547 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2548 | doc: /* Resume the previously suspended terminal device TTY. | |
2549 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2550 | suspended terminal are revived. |
ed8dad6b | 2551 | |
6ed8eeff KL |
2552 | It is an error to resume a terminal while another terminal is active |
2553 | on the same device. | |
ed8dad6b | 2554 | |
e4019195 | 2555 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2556 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2557 | device. |
2558 | ||
2559 | `resume-tty' does nothing if it is called on a device that is not | |
2560 | suspended. | |
2561 | ||
401e9e57 CY |
2562 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2563 | frame's terminal). */) | |
5842a27b | 2564 | (Lisp_Object tty) |
ed8dad6b | 2565 | { |
717a00ef | 2566 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2567 | int fd; |
2568 | ||
6ed8eeff | 2569 | if (!t) |
ed8dad6b KL |
2570 | error ("Unknown tty device"); |
2571 | ||
6ed8eeff | 2572 | if (!t->display_info.tty->input) |
ed8dad6b | 2573 | { |
6ed8eeff | 2574 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2575 | error ("Cannot resume display while another display is active on the same device"); |
2576 | ||
84704c5c EZ |
2577 | #ifdef MSDOS |
2578 | t->display_info.tty->output = stdout; | |
2579 | t->display_info.tty->input = stdin; | |
2580 | #else /* !MSDOS */ | |
6ed8eeff | 2581 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2582 | |
59b3194c KL |
2583 | if (fd == -1) |
2584 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2585 | |
78048085 | 2586 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2587 | dissociate_if_controlling_tty (fd); |
78048085 | 2588 | |
6ed8eeff KL |
2589 | t->display_info.tty->output = fdopen (fd, "w+"); |
2590 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2591 | #endif |
78048085 | 2592 | |
ed8dad6b KL |
2593 | add_keyboard_wait_descriptor (fd); |
2594 | ||
6ed8eeff | 2595 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2596 | { |
2597 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2598 | int width, height; | |
2599 | int old_height = FRAME_COLS (f); | |
2600 | int old_width = FRAME_LINES (f); | |
2601 | ||
2602 | /* Check if terminal/window size has changed while the frame | |
2603 | was suspended. */ | |
2604 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2605 | if (width != old_width || height != old_height) | |
2606 | change_frame_size (f, height, width, 0, 0, 0); | |
2607 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2608 | } | |
ed8dad6b | 2609 | |
6ed8eeff | 2610 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2611 | |
e4019195 | 2612 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2613 | if (!NILP (Vrun_hooks)) |
2614 | { | |
2615 | Lisp_Object args[2]; | |
e4019195 | 2616 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2617 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2618 | Frun_hook_with_args (2, args); |
2619 | } | |
2620 | } | |
2621 | ||
4a665758 KL |
2622 | set_tty_hooks (t); |
2623 | ||
ed8dad6b KL |
2624 | return Qnil; |
2625 | } | |
a3fbb897 | 2626 | |
819b8f00 | 2627 | \f |
e882229c NR |
2628 | /*********************************************************************** |
2629 | Mouse | |
2630 | ***********************************************************************/ | |
2631 | ||
7e5a23bd | 2632 | #ifdef HAVE_GPM |
5faa03ba RS |
2633 | void |
2634 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2635 | { |
1ec5dc77 | 2636 | /* TODO: how to set mouse position? |
94da14a0 NR |
2637 | const char *name; |
2638 | int fd; | |
2639 | name = (const char *) ttyname (0); | |
2640 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2641 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2642 | close (fd); |
2643 | last_mouse_x = x; | |
80fb2ce0 | 2644 | last_mouse_y = y; */ |
94da14a0 NR |
2645 | } |
2646 | ||
cf482c50 EZ |
2647 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2648 | void | |
2649 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2650 | int start_hpos, int end_hpos, | |
2651 | enum draw_glyphs_face draw) | |
e882229c | 2652 | { |
cf482c50 EZ |
2653 | int nglyphs = end_hpos - start_hpos; |
2654 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2655 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2656 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2657 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2658 | |
cf482c50 EZ |
2659 | if (end_hpos >= row->used[TEXT_AREA]) |
2660 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2661 | |
cf482c50 EZ |
2662 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2663 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2664 | |
cf482c50 EZ |
2665 | /* Save current cursor co-ordinates. */ |
2666 | save_y = curY (tty); | |
2667 | save_x = curX (tty); | |
2668 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2669 | |
cf482c50 EZ |
2670 | if (draw == DRAW_MOUSE_FACE) |
2671 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2672 | nglyphs, face_id); | |
2673 | else if (draw == DRAW_NORMAL_TEXT) | |
2674 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2675 | |
cf482c50 | 2676 | cursor_to (f, save_y, save_x); |
e882229c NR |
2677 | } |
2678 | ||
2679 | static int | |
2680 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2681 | { | |
2682 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2683 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2684 | { | |
2685 | frame->mouse_moved = 1; | |
cf482c50 | 2686 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2687 | /* Remember which glyph we're now on. */ |
2688 | last_mouse_x = event->x; | |
2689 | last_mouse_y = event->y; | |
2690 | return 1; | |
2691 | } | |
2692 | return 0; | |
2693 | } | |
2694 | ||
2695 | /* Return the current position of the mouse. | |
2696 | ||
2697 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2698 | Emacs frame. If it is set to zero, all the other arguments are | |
2699 | garbage. | |
2700 | ||
2701 | Set *bar_window to Qnil, and *x and *y to the column and | |
2702 | row of the character cell the mouse is over. | |
2703 | ||
2704 | Set *time to the time the mouse was at the returned position. | |
2705 | ||
80fb2ce0 | 2706 | This clears mouse_moved until the next motion |
94da14a0 | 2707 | event arrives. */ |
e882229c NR |
2708 | static void |
2709 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2710 | enum scroll_bar_part *part, Lisp_Object *x, | |
2711 | Lisp_Object *y, unsigned long *time) | |
2712 | { | |
e882229c | 2713 | struct timeval now; |
e882229c NR |
2714 | |
2715 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2716 | (*fp)->mouse_moved = 0; |
e882229c NR |
2717 | |
2718 | *bar_window = Qnil; | |
2719 | *part = 0; | |
2720 | ||
80fb2ce0 | 2721 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2722 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2723 | gettimeofday(&now, 0); |
2724 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2725 | } |
2726 | ||
2727 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2728 | ||
2729 | If the event is a button press, then note that we have grabbed | |
2730 | the mouse. */ | |
2731 | ||
2732 | static Lisp_Object | |
2733 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2734 | struct frame *f) | |
2735 | { | |
2736 | struct timeval now; | |
2737 | int i, j; | |
2738 | ||
2739 | result->kind = GPM_CLICK_EVENT; | |
2740 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2741 | { | |
2742 | if (event->buttons & j) { | |
2743 | result->code = i; /* button number */ | |
2744 | break; | |
2745 | } | |
2746 | } | |
2747 | gettimeofday(&now, 0); | |
2748 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2749 | ||
2750 | if (event->type & GPM_UP) | |
2751 | result->modifiers = up_modifier; | |
2752 | else if (event->type & GPM_DOWN) | |
2753 | result->modifiers = down_modifier; | |
2754 | else | |
2755 | result->modifiers = 0; | |
f4d953fc | 2756 | |
e882229c NR |
2757 | if (event->type & GPM_SINGLE) |
2758 | result->modifiers |= click_modifier; | |
f4d953fc | 2759 | |
e882229c NR |
2760 | if (event->type & GPM_DOUBLE) |
2761 | result->modifiers |= double_modifier; | |
2762 | ||
2763 | if (event->type & GPM_TRIPLE) | |
2764 | result->modifiers |= triple_modifier; | |
2765 | ||
2766 | if (event->type & GPM_DRAG) | |
2767 | result->modifiers |= drag_modifier; | |
2768 | ||
80fb2ce0 | 2769 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2770 | |
2771 | /* 1 << KG_SHIFT */ | |
2772 | if (event->modifiers & (1 << 0)) | |
2773 | result->modifiers |= shift_modifier; | |
2774 | ||
2775 | /* 1 << KG_CTRL */ | |
2776 | if (event->modifiers & (1 << 2)) | |
2777 | result->modifiers |= ctrl_modifier; | |
2778 | ||
2779 | /* 1 << KG_ALT || KG_ALTGR */ | |
2780 | if (event->modifiers & (1 << 3) | |
2781 | || event->modifiers & (1 << 1)) | |
2782 | result->modifiers |= meta_modifier; | |
2783 | } | |
2784 | ||
80fb2ce0 NR |
2785 | XSETINT (result->x, event->x); |
2786 | XSETINT (result->y, event->y); | |
e882229c NR |
2787 | XSETFRAME (result->frame_or_window, f); |
2788 | result->arg = Qnil; | |
2789 | return Qnil; | |
2790 | } | |
2791 | ||
f4d953fc | 2792 | int |
7be1c21a | 2793 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2794 | { |
7be1c21a | 2795 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2796 | struct input_event ie; |
2797 | int do_help = 0; | |
2798 | int count = 0; | |
2799 | ||
2800 | EVENT_INIT (ie); | |
2801 | ie.kind = NO_EVENT; | |
2802 | ie.arg = Qnil; | |
2803 | ||
80fb2ce0 | 2804 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2805 | previous_help_echo_string = help_echo_string; |
2806 | help_echo_string = Qnil; | |
2807 | ||
6178ce5e | 2808 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2809 | |
80fb2ce0 NR |
2810 | if (!term_mouse_movement (f, event)) |
2811 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2812 | |
2813 | /* If the contents of the global variable help_echo_string | |
2814 | has changed, generate a HELP_EVENT. */ | |
2815 | if (!NILP (help_echo_string) | |
2816 | || !NILP (previous_help_echo_string)) | |
2817 | do_help = 1; | |
2818 | ||
2819 | goto done; | |
2820 | } | |
2821 | else { | |
2822 | f->mouse_moved = 0; | |
2823 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2824 | } |
2825 | ||
2826 | done: | |
2827 | if (ie.kind != NO_EVENT) | |
2828 | { | |
2829 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2830 | count++; | |
2831 | } | |
2832 | ||
2833 | if (do_help | |
2834 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2835 | { | |
2836 | Lisp_Object frame; | |
2837 | ||
2838 | if (f) | |
2839 | XSETFRAME (frame, f); | |
2840 | else | |
2841 | frame = Qnil; | |
2842 | ||
2843 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2844 | help_echo_object, help_echo_pos); | |
2845 | count++; | |
2846 | } | |
2847 | ||
2848 | return count; | |
2849 | } | |
2850 | ||
6178ce5e | 2851 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2852 | 0, 0, 0, |
71f44e7a | 2853 | doc: /* Open a connection to Gpm. |
6178ce5e | 2854 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2855 | (void) |
e882229c | 2856 | { |
71f44e7a SM |
2857 | struct frame *f = SELECTED_FRAME (); |
2858 | struct tty_display_info *tty | |
2859 | = ((f)->output_method == output_termcap | |
2860 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2861 | Gpm_Connect connection; |
2862 | ||
6178ce5e SM |
2863 | if (!tty) |
2864 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2865 | if (gpm_tty == tty) |
2866 | return Qnil; /* Already activated, nothing to do. */ | |
2867 | if (gpm_tty) | |
2868 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2869 | |
e882229c NR |
2870 | connection.eventMask = ~0; |
2871 | connection.defaultMask = ~GPM_HARD; | |
2872 | connection.maxMod = ~0; | |
2873 | connection.minMod = 0; | |
80fb2ce0 | 2874 | gpm_zerobased = 1; |
e882229c NR |
2875 | |
2876 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2877 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2878 | else |
2879 | { | |
71f44e7a | 2880 | gpm_tty = tty; |
1023cbed SM |
2881 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2882 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2883 | before calling init_sys_modes. */ | |
7be1c21a MB |
2884 | reset_sys_modes (tty); |
2885 | init_sys_modes (tty); | |
e882229c | 2886 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2887 | return Qnil; |
e882229c NR |
2888 | } |
2889 | } | |
2890 | ||
ed5ff21d | 2891 | void |
d347e494 | 2892 | close_gpm (int fd) |
ed5ff21d | 2893 | { |
d347e494 SM |
2894 | if (fd >= 0) |
2895 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2896 | while (Gpm_Close()); /* close all the stack */ |
2897 | gpm_tty = NULL; | |
2898 | } | |
2899 | ||
6178ce5e | 2900 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2901 | 0, 0, 0, |
2902 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2903 | (void) |
e882229c | 2904 | { |
4ce5ab77 SM |
2905 | struct frame *f = SELECTED_FRAME (); |
2906 | struct tty_display_info *tty | |
2907 | = ((f)->output_method == output_termcap | |
2908 | ? (f)->terminal->display_info.tty : NULL); | |
2909 | ||
2910 | if (!tty || gpm_tty != tty) | |
2911 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2912 | |
d347e494 | 2913 | close_gpm (gpm_fd); |
6178ce5e | 2914 | return Qnil; |
e882229c | 2915 | } |
7e5a23bd | 2916 | #endif /* HAVE_GPM */ |
e882229c NR |
2917 | |
2918 | \f | |
89ba96f4 | 2919 | #ifndef MSDOS |
a168702a GM |
2920 | /*********************************************************************** |
2921 | Initialization | |
2922 | ***********************************************************************/ | |
2923 | ||
ed8dad6b KL |
2924 | /* Initialize the tty-dependent part of frame F. The frame must |
2925 | already have its device initialized. */ | |
3224dac1 | 2926 | |
dfcf069d | 2927 | void |
ed8dad6b | 2928 | create_tty_output (struct frame *f) |
28d440ab | 2929 | { |
ed8dad6b KL |
2930 | struct tty_output *t; |
2931 | ||
2932 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2933 | abort (); |
2934 | ||
ed8dad6b | 2935 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 2936 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 2937 | |
6ed8eeff | 2938 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2939 | |
ed8dad6b | 2940 | f->output_data.tty = t; |
3224dac1 KL |
2941 | } |
2942 | ||
9f215d25 | 2943 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2944 | |
ed8dad6b | 2945 | static void |
9f215d25 | 2946 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2947 | { |
ed8dad6b | 2948 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2949 | abort (); |
2950 | ||
9f215d25 CY |
2951 | if (FRAME_FACE_CACHE (f)) |
2952 | free_frame_faces (f); | |
2953 | ||
ed8dad6b | 2954 | xfree (f->output_data.tty); |
28d440ab KL |
2955 | } |
2956 | ||
89ba96f4 EZ |
2957 | #else /* MSDOS */ |
2958 | ||
2959 | /* Delete frame F's face cache. */ | |
2960 | ||
2961 | static void | |
2962 | tty_free_frame_resources (struct frame *f) | |
2963 | { | |
2964 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
2965 | abort (); | |
2966 | ||
2967 | if (FRAME_FACE_CACHE (f)) | |
2968 | free_frame_faces (f); | |
2969 | } | |
2970 | #endif /* MSDOS */ | |
ed8dad6b | 2971 | \f |
47cc8819 | 2972 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2973 | |
4a665758 KL |
2974 | static void |
2975 | clear_tty_hooks (struct terminal *terminal) | |
2976 | { | |
2977 | terminal->rif = 0; | |
2978 | terminal->cursor_to_hook = 0; | |
2979 | terminal->raw_cursor_to_hook = 0; | |
2980 | terminal->clear_to_end_hook = 0; | |
2981 | terminal->clear_frame_hook = 0; | |
2982 | terminal->clear_end_of_line_hook = 0; | |
2983 | terminal->ins_del_lines_hook = 0; | |
2984 | terminal->insert_glyphs_hook = 0; | |
2985 | terminal->write_glyphs_hook = 0; | |
2986 | terminal->delete_glyphs_hook = 0; | |
2987 | terminal->ring_bell_hook = 0; | |
2988 | terminal->reset_terminal_modes_hook = 0; | |
2989 | terminal->set_terminal_modes_hook = 0; | |
2990 | terminal->update_begin_hook = 0; | |
2991 | terminal->update_end_hook = 0; | |
2992 | terminal->set_terminal_window_hook = 0; | |
2993 | terminal->mouse_position_hook = 0; | |
2994 | terminal->frame_rehighlight_hook = 0; | |
2995 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2996 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2997 | terminal->set_vertical_scroll_bar_hook = 0; |
2998 | terminal->condemn_scroll_bars_hook = 0; | |
2999 | terminal->redeem_scroll_bar_hook = 0; | |
3000 | terminal->judge_scroll_bars_hook = 0; | |
3001 | terminal->read_socket_hook = 0; | |
3002 | terminal->frame_up_to_date_hook = 0; | |
3003 | ||
3004 | /* Leave these two set, or suspended frames are not deleted | |
3005 | correctly. */ | |
9f215d25 | 3006 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3007 | terminal->delete_terminal_hook = &delete_tty; |
3008 | } | |
3009 | ||
47cc8819 DN |
3010 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3011 | ||
4a665758 KL |
3012 | static void |
3013 | set_tty_hooks (struct terminal *terminal) | |
3014 | { | |
3015 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3016 | ||
3017 | terminal->cursor_to_hook = &tty_cursor_to; | |
3018 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3019 | ||
3020 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3021 | terminal->clear_frame_hook = &tty_clear_frame; | |
3022 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3023 | ||
3024 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3025 | ||
3026 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3027 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3028 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3029 | ||
3030 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3031 | |
4a665758 KL |
3032 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3033 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3034 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3035 | terminal->update_end_hook = &tty_update_end; | |
3036 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3037 | ||
3038 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3039 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3040 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3041 | ||
3042 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3043 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3044 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3045 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3046 | ||
3047 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3048 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3049 | |
9f215d25 | 3050 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3051 | terminal->delete_terminal_hook = &delete_tty; |
3052 | } | |
3053 | ||
03a1d6bd | 3054 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3055 | static void |
03a1d6bd KL |
3056 | dissociate_if_controlling_tty (int fd) |
3057 | { | |
84704c5c | 3058 | #ifndef DOS_NT |
12e610e8 | 3059 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3060 | if (pgid != -1) |
3061 | { | |
6254cdda | 3062 | #if defined (USG5) |
03a1d6bd KL |
3063 | setpgrp (); |
3064 | no_controlling_tty = 1; | |
de52dcbb DN |
3065 | #elif defined (CYGWIN) |
3066 | setsid (); | |
3067 | no_controlling_tty = 1; | |
03a1d6bd KL |
3068 | #else |
3069 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3070 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3071 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3072 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3073 | { | |
3074 | no_controlling_tty = 1; | |
3075 | } | |
3076 | if (fd != -1) | |
3077 | emacs_close (fd); | |
3078 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3079 | #else |
8516815b KL |
3080 | /* Unknown system. */ |
3081 | croak (); | |
03a1d6bd KL |
3082 | #endif /* ! TIOCNOTTY */ |
3083 | #endif /* ! USG */ | |
71a96040 | 3084 | } |
84704c5c | 3085 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3086 | } |
3087 | ||
3224dac1 KL |
3088 | /* Create a termcap display on the tty device with the given name and |
3089 | type. | |
3090 | ||
ab797f65 | 3091 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3092 | Otherwise NAME should be a path to the tty device file, |
3093 | e.g. "/dev/pts/7". | |
28d440ab | 3094 | |
3224dac1 KL |
3095 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3096 | ||
3097 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3098 | |
6ed8eeff | 3099 | struct terminal * |
8ea90aa3 | 3100 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 3101 | { |
59b3194c | 3102 | char *area = NULL; |
08a24c47 | 3103 | char **address = &area; |
6b61353c | 3104 | int buffer_size = 4096; |
59b3194c | 3105 | register char *p = NULL; |
08a24c47 | 3106 | int status; |
59b3194c KL |
3107 | struct tty_display_info *tty = NULL; |
3108 | struct terminal *terminal = NULL; | |
3109 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3110 | |
3224dac1 | 3111 | if (!terminal_type) |
d31eee5e | 3112 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3113 | "Unknown terminal type", |
3114 | "Unknown terminal type"); | |
b6660415 | 3115 | |
ab797f65 | 3116 | if (name == NULL) |
78048085 EZ |
3117 | name = DEV_TTY; |
3118 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3119 | ctty = 1; |
3120 | ||
6ed8eeff KL |
3121 | /* If we already have a terminal on the given device, use that. If |
3122 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3123 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3124 | always create a new terminal and separating terminal and frame |
b6660415 | 3125 | creation on Lisp level. */ |
6ed8eeff KL |
3126 | terminal = get_named_tty (name); |
3127 | if (terminal) | |
3128 | return terminal; | |
78048085 | 3129 | |
6ed8eeff | 3130 | terminal = create_terminal (); |
84704c5c EZ |
3131 | #ifdef MSDOS |
3132 | if (been_here > 0) | |
d31eee5e | 3133 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3134 | name, ""); |
3135 | been_here = 1; | |
3136 | tty = &the_only_display_info; | |
3137 | #else | |
3224dac1 | 3138 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3139 | #endif |
72af86bd | 3140 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3141 | tty->next = tty_list; |
3142 | tty_list = tty; | |
428a555e | 3143 | |
6ed8eeff KL |
3144 | terminal->type = output_termcap; |
3145 | terminal->display_info.tty = tty; | |
3146 | tty->terminal = terminal; | |
28d440ab | 3147 | |
7b00d185 KL |
3148 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3149 | Wcm_clear (tty); | |
daf01701 | 3150 | |
dce4c2ac DN |
3151 | encode_terminal_src_size = 0; |
3152 | encode_terminal_dst_size = 0; | |
3153 | ||
3154 | #ifdef HAVE_GPM | |
3155 | terminal->mouse_position_hook = term_mouse_position; | |
cf482c50 | 3156 | tty->mouse_highlight.mouse_face_window = Qnil; |
dce4c2ac DN |
3157 | #endif |
3158 | ||
51b59d79 | 3159 | |
84704c5c | 3160 | #ifndef DOS_NT |
4a665758 | 3161 | set_tty_hooks (terminal); |
78048085 | 3162 | |
59b3194c KL |
3163 | { |
3164 | int fd; | |
3165 | FILE *file; | |
0c72d684 KL |
3166 | |
3167 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3168 | if (!ctty) |
0c72d684 KL |
3169 | /* Open the terminal device. Don't recognize it as our |
3170 | controlling terminal, and don't make it the controlling tty | |
3171 | if we don't have one at the moment. */ | |
3172 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3173 | else |
0c72d684 | 3174 | #else |
2666355c | 3175 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3176 | defined on Hurd. On other systems, we need to explicitly |
3177 | dissociate ourselves from the controlling tty when we want to | |
3178 | open a frame on the same terminal. */ | |
0c72d684 | 3179 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3180 | #endif /* O_IGNORE_CTTY */ |
3181 | ||
97c6058a DN |
3182 | tty->name = xstrdup (name); |
3183 | terminal->name = xstrdup (name); | |
3184 | ||
59b3194c | 3185 | if (fd < 0) |
d31eee5e | 3186 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3187 | "Could not open file: %s", |
3188 | "Could not open file: %s", | |
3189 | name); | |
3190 | if (!isatty (fd)) | |
3191 | { | |
3192 | close (fd); | |
d31eee5e | 3193 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3194 | "Not a tty device: %s", |
3195 | "Not a tty device: %s", | |
3196 | name); | |
3197 | } | |
0c72d684 | 3198 | |
59b3194c KL |
3199 | #ifndef O_IGNORE_CTTY |
3200 | if (!ctty) | |
03a1d6bd | 3201 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3202 | #endif |
3203 | ||
3204 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3205 | tty->input = file; |
3206 | tty->output = file; | |
3207 | } | |
78048085 | 3208 | |
28d7d09f | 3209 | tty->type = xstrdup (terminal_type); |
28d440ab | 3210 | |
819b8f00 | 3211 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3212 | |
6548cf00 | 3213 | Wcm_clear (tty); |
08a24c47 | 3214 | |
d31eee5e | 3215 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3216 | |
03a1d6bd KL |
3217 | /* On some systems, tgetent tries to access the controlling |
3218 | terminal. */ | |
3219 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3220 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3221 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3222 | |
08a24c47 | 3223 | if (status < 0) |
b0347178 KH |
3224 | { |
3225 | #ifdef TERMINFO | |
d31eee5e | 3226 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3227 | "Cannot open terminfo database file", |
3228 | "Cannot open terminfo database file"); | |
b0347178 | 3229 | #else |
d31eee5e | 3230 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3231 | "Cannot open termcap database file", |
3232 | "Cannot open termcap database file"); | |
b0347178 KH |
3233 | #endif |
3234 | } | |
08a24c47 | 3235 | if (status == 0) |
b0347178 | 3236 | { |
d31eee5e | 3237 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3238 | "Terminal type %s is not defined", |
3239 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3240 | If that is not the actual type of terminal you have,\n\ |
3241 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3242 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3243 | #ifdef TERMINFO | |
3244 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3245 | #else |
84164a0d | 3246 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3247 | #endif |
84164a0d | 3248 | terminal_type); |
b0347178 | 3249 | } |
6b61353c KH |
3250 | |
3251 | #ifndef TERMINFO | |
d31eee5e | 3252 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3253 | abort (); |
d31eee5e | 3254 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3255 | #endif |
d31eee5e | 3256 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3257 | tty->TS_ins_line = tgetstr ("al", address); |
3258 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3259 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3260 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3261 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3262 | tty->TS_clr_line = tgetstr ("ce", address); | |
3263 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3264 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3265 | AbsPosition (tty) = tgetstr ("cm", address); | |
3266 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3267 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3268 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3269 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3270 | tty->TS_del_char = tgetstr ("dc", address); |
3271 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3272 | tty->TS_del_line = tgetstr ("dl", address); | |
3273 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3274 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3275 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3276 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3277 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3278 | tty->TS_ins_char = tgetstr ("ic", address); |
3279 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3280 | tty->TS_insert_mode = tgetstr ("im", address); | |
3281 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3282 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3283 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3284 | LastLine (tty) = tgetstr ("ll", address); |
3285 | Right (tty) = tgetstr ("nd", address); | |
3286 | Down (tty) = tgetstr ("do", address); | |
3287 | if (!Down (tty)) | |
3288 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3289 | if (tgetflag ("bs")) |
6548cf00 | 3290 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3291 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3292 | Left (tty) = tgetstr ("le", address); |
3293 | if (!Left (tty)) | |
3294 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3295 | tty->TS_pad_char = tgetstr ("pc", address); |
3296 | tty->TS_repeat = tgetstr ("rp", address); | |
3297 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3298 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3299 | tty->TS_standout_mode = tgetstr ("so", address); | |
3300 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3301 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3302 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3303 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3304 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3305 | tty->TS_visible_bell = tgetstr ("vb", address); |
3306 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3307 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3308 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3309 | tty->TS_set_window = tgetstr ("wi", address); | |
3310 | ||
3311 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3312 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3313 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3314 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3315 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3316 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3317 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3318 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3319 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3320 | |
6548cf00 KL |
3321 | MultiUp (tty) = tgetstr ("UP", address); |
3322 | MultiDown (tty) = tgetstr ("DO", address); | |
3323 | MultiLeft (tty) = tgetstr ("LE", address); | |
3324 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3325 | |
e7f90eab GM |
3326 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3327 | color because we can't switch back to the default foreground and | |
3328 | background. */ | |
fca177d4 KL |
3329 | tty->TS_orig_pair = tgetstr ("op", address); |
3330 | if (tty->TS_orig_pair) | |
a168702a | 3331 | { |
fca177d4 KL |
3332 | tty->TS_set_foreground = tgetstr ("AF", address); |
3333 | tty->TS_set_background = tgetstr ("AB", address); | |
3334 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3335 | { |
3336 | /* SVr4. */ | |
fca177d4 KL |
3337 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3338 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3339 | } |
177c0ea7 | 3340 | |
fca177d4 KL |
3341 | tty->TN_max_colors = tgetnum ("Co"); |
3342 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3343 | |
fca177d4 KL |
3344 | tty->TN_no_color_video = tgetnum ("NC"); |
3345 | if (tty->TN_no_color_video == -1) | |
3346 | tty->TN_no_color_video = 0; | |
a168702a | 3347 | } |
a168702a | 3348 | |
fca177d4 | 3349 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3350 | |
6548cf00 | 3351 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3352 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3353 | the former flag imply the latter. */ | |
6548cf00 | 3354 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3355 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3356 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3357 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3358 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3359 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3360 | tty->TF_standout_motion = tgetflag ("ms"); | |
3361 | tty->TF_underscore = tgetflag ("ul"); | |
3362 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3363 | |
dce4c2ac DN |
3364 | #else /* DOS_NT */ |
3365 | #ifdef WINDOWSNT | |
3366 | { | |
3367 | struct frame *f = XFRAME (selected_frame); | |
3368 | ||
3369 | initialize_w32_display (terminal); | |
3370 | ||
3371 | FrameRows (tty) = FRAME_LINES (f); | |
3372 | FrameCols (tty) = FRAME_COLS (f); | |
3373 | tty->specified_window = FRAME_LINES (f); | |
3374 | ||
3375 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3376 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3377 | terminal->char_ins_del_ok = 1; | |
3378 | baud_rate = 19200; | |
3379 | } | |
3380 | #else /* MSDOS */ | |
3381 | { | |
3382 | int height, width; | |
3383 | if (strcmp (terminal_type, "internal") == 0) | |
3384 | terminal->type = output_msdos_raw; | |
3385 | initialize_msdos_display (terminal); | |
3386 | ||
3387 | get_tty_size (fileno (tty->input), &width, &height); | |
3388 | FrameCols (tty) = width; | |
3389 | FrameRows (tty) = height; | |
3390 | terminal->char_ins_del_ok = 0; | |
3391 | init_baud_rate (fileno (tty->input)); | |
3392 | } | |
3393 | #endif /* MSDOS */ | |
3394 | tty->output = stdout; | |
3395 | tty->input = stdin; | |
3396 | /* The following two are inaccessible from w32console.c. */ | |
3397 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3398 | terminal->delete_terminal_hook = &delete_tty; | |
3399 | ||
3400 | tty->name = xstrdup (name); | |
3401 | terminal->name = xstrdup (name); | |
3402 | tty->type = xstrdup (terminal_type); | |
3403 | ||
3404 | add_keyboard_wait_descriptor (0); | |
3405 | ||
dce4c2ac DN |
3406 | tty->delete_in_insert_mode = 1; |
3407 | ||
3408 | UseTabs (tty) = 0; | |
3409 | terminal->scroll_region_ok = 0; | |
3410 | ||
3411 | /* Seems to insert lines when it's not supposed to, messing up the | |
3412 | display. In doing a trace, it didn't seem to be called much, so I | |
3413 | don't think we're losing anything by turning it off. */ | |
3414 | terminal->line_ins_del_ok = 0; | |
3415 | ||
3416 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3417 | #endif /* DOS_NT */ | |
3418 | ||
6ed8eeff KL |
3419 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3420 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3421 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3422 | terminal->kboard->next_kboard = all_kboards; |
3423 | all_kboards = terminal->kboard; | |
3424 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3425 | /* Don't let the initial kboard remain current longer than necessary. |
3426 | That would cause problems if a file loaded on startup tries to | |
3427 | prompt in the mini-buffer. */ | |
3428 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3429 | current_kboard = terminal->kboard; |
84704c5c | 3430 | #ifndef DOS_NT |
6ed8eeff | 3431 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3432 | |
ff11dfa1 | 3433 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3434 | { |
3435 | int height, width; | |
0b0d3e0b | 3436 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3437 | FrameCols (tty) = width; |
3438 | FrameRows (tty) = height; | |
3b12ce12 RS |
3439 | } |
3440 | ||
0a125897 KL |
3441 | if (FrameCols (tty) <= 0) |
3442 | FrameCols (tty) = tgetnum ("co"); | |
3443 | if (FrameRows (tty) <= 0) | |
3444 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3445 | |
0a125897 | 3446 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3447 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3448 | "Screen size %dx%d is too small", |
3224dac1 | 3449 | "Screen size %dx%d is too small", |
0a125897 | 3450 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3451 | |
6548cf00 | 3452 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3453 | |
fca177d4 KL |
3454 | if (!tty->TS_bell) |
3455 | tty->TS_bell = "\07"; | |
08a24c47 | 3456 | |
fca177d4 KL |
3457 | if (!tty->TS_fwd_scroll) |
3458 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3459 | |
fca177d4 | 3460 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3461 | |
6548cf00 KL |
3462 | if (TabWidth (tty) < 0) |
3463 | TabWidth (tty) = 8; | |
177c0ea7 | 3464 | |
08a24c47 JB |
3465 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3466 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3467 | if (!tty->Wcm->cm_tab) |
3468 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3469 | */ |
3470 | ||
54800acb MB |
3471 | /* We don't support standout modes that use `magic cookies', so |
3472 | turn off any that do. */ | |
fca177d4 | 3473 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3474 | { |
fca177d4 KL |
3475 | tty->TS_standout_mode = 0; |
3476 | tty->TS_end_standout_mode = 0; | |
54800acb | 3477 | } |
fca177d4 | 3478 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3479 | { |
fca177d4 KL |
3480 | tty->TS_enter_underline_mode = 0; |
3481 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3482 | } |
3483 | ||
3484 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3485 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3486 | { |
fca177d4 KL |
3487 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3488 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3489 | } |
3490 | ||
afd359c4 RS |
3491 | /* If no `se' string, try using a `me' string instead. |
3492 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3493 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3494 | { |
e4bfb3b6 | 3495 | char *s = tgetstr ("me", address); |
afd359c4 | 3496 | if (s != 0) |
fca177d4 | 3497 | tty->TS_end_standout_mode = s; |
afd359c4 | 3498 | else |
fca177d4 | 3499 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3500 | } |
3501 | ||
fca177d4 | 3502 | if (tty->TF_teleray) |
08a24c47 | 3503 | { |
6548cf00 | 3504 | tty->Wcm->cm_tab = 0; |
54800acb | 3505 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3506 | tty->TS_standout_mode = 0; |
08a24c47 | 3507 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3508 | CR (tty) = 0; |
08a24c47 JB |
3509 | /* LF can't be trusted either -- can alter hpos */ |
3510 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3511 | Down (tty) = 0; |
08a24c47 JB |
3512 | } |
3513 | ||
3514 | /* Special handling for certain terminal types known to need it */ | |
3515 | ||
3516 | if (!strcmp (terminal_type, "supdup")) | |
3517 | { | |
6ed8eeff | 3518 | terminal->memory_below_frame = 1; |
6548cf00 | 3519 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3520 | } |
3521 | if (!strncmp (terminal_type, "c10", 3) | |
3522 | || !strcmp (terminal_type, "perq")) | |
3523 | { | |
3524 | /* Supply a makeshift :wi string. | |
3525 | This string is not valid in general since it works only | |
3526 | for windows starting at the upper left corner; | |
3527 | but that is all Emacs uses. | |
3528 | ||
ff11dfa1 | 3529 | This string works only if the frame is using |
08a24c47 JB |
3530 | the top of the video memory, because addressing is memory-relative. |
3531 | So first check the :ti string to see if that is true. | |
3532 | ||
3533 | It would be simpler if the :wi string could go in the termcap | |
3534 | entry, but it can't because it is not fully valid. | |
3535 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3536 | if (!tty->TS_set_window) |
08a24c47 | 3537 | { |
fca177d4 | 3538 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3539 | while (*p && strcmp (p, "\033v ")) |
3540 | p++; | |
3541 | if (*p) | |
fca177d4 | 3542 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3543 | } |
3544 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3545 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3546 | /* :ti string typically fails to have \E^G! in it */ |
3547 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3548 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3549 | strcat (area, "\033\007!"); |
fca177d4 | 3550 | tty->TS_termcap_modes = area; |
08a24c47 | 3551 | area += strlen (area) + 1; |
6548cf00 | 3552 | p = AbsPosition (tty); |
08a24c47 | 3553 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3554 | values above 96 correctly for the C100. */ |
08a24c47 | 3555 | while (*p) |
28d440ab KL |
3556 | { |
3557 | if (p[0] == '%' && p[1] == '+') | |
3558 | p[1] = 'C'; | |
3559 | p++; | |
3560 | } | |
08a24c47 JB |
3561 | } |
3562 | ||
0a125897 | 3563 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3564 | |
6548cf00 | 3565 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3566 | { |
d31eee5e | 3567 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3568 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3569 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3570 | It lacks the ability to position the cursor.\n\ |
3571 | If that is not the actual type of terminal you have,\n\ | |
3572 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3573 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3574 | # ifdef TERMINFO | |
3575 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3576 | # else /* TERMCAP */ |
84164a0d | 3577 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3578 | # endif /* TERMINFO */ |
3224dac1 | 3579 | terminal_type); |
fca177d4 | 3580 | } |
daf01701 | 3581 | |
0a125897 | 3582 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3583 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3584 | "Could not determine the frame size", |
3585 | "Could not determine the frame size"); | |
08a24c47 | 3586 | |
fca177d4 KL |
3587 | tty->delete_in_insert_mode |
3588 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3589 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3590 | |
fca177d4 KL |
3591 | tty->se_is_so = (tty->TS_standout_mode |
3592 | && tty->TS_end_standout_mode | |
3593 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3594 | |
0b0d3e0b | 3595 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3596 | |
6ed8eeff | 3597 | terminal->scroll_region_ok |
6548cf00 | 3598 | = (tty->Wcm->cm_abs |
fca177d4 | 3599 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3600 | |
6ed8eeff | 3601 | terminal->line_ins_del_ok |
fca177d4 KL |
3602 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3603 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3604 | || (terminal->scroll_region_ok |
fca177d4 | 3605 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3606 | |
6ed8eeff | 3607 | terminal->char_ins_del_ok |
fca177d4 KL |
3608 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3609 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3610 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3611 | |
6ed8eeff | 3612 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3613 | |
0b0d3e0b | 3614 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3615 | |
84704c5c | 3616 | #endif /* not DOS_NT */ |
635e3b29 | 3617 | |
0a125897 KL |
3618 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3619 | init_sys_modes (tty); | |
daf01701 | 3620 | |
6ed8eeff | 3621 | return terminal; |
08a24c47 JB |
3622 | } |
3623 | ||
b3ffc17c DN |
3624 | |
3625 | static void | |
3626 | vfatal (const char *str, va_list ap) | |
3627 | { | |
3628 | fprintf (stderr, "emacs: "); | |
3629 | vfprintf (stderr, str, ap); | |
3630 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3631 | fprintf (stderr, "\n"); | |
3632 | va_end (ap); | |
3633 | fflush (stderr); | |
3634 | exit (1); | |
3635 | } | |
3636 | ||
3637 | ||
a4c6993d | 3638 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3639 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3640 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3641 | |
3224dac1 | 3642 | static void |
b3ffc17c DN |
3643 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3644 | const char *str1, const char *str2, ...) | |
3224dac1 | 3645 | { |
b3ffc17c DN |
3646 | va_list ap; |
3647 | va_start (ap, str2); | |
6ed8eeff KL |
3648 | if (terminal) |
3649 | delete_tty (terminal); | |
f4d953fc | 3650 | |
3224dac1 | 3651 | if (must_succeed) |
b3ffc17c | 3652 | vfatal (str2, ap); |
3224dac1 | 3653 | else |
b3ffc17c | 3654 | verror (str1, ap); |
3224dac1 | 3655 | |
b3ffc17c | 3656 | va_end (ap); |
3224dac1 | 3657 | abort (); |
08a24c47 JB |
3658 | } |
3659 | ||
dfcf069d | 3660 | void |
7c401d15 | 3661 | fatal (const char *str, ...) |
08a24c47 | 3662 | { |
7c401d15 DN |
3663 | va_list ap; |
3664 | va_start (ap, str); | |
b3ffc17c | 3665 | vfatal (str, ap); |
7c401d15 | 3666 | va_end (ap); |
08a24c47 | 3667 | } |
07c57952 | 3668 | |
819b8f00 KL |
3669 | \f |
3670 | ||
6ed8eeff | 3671 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3672 | |
ed8dad6b | 3673 | static void |
6ed8eeff | 3674 | delete_tty (struct terminal *terminal) |
072d84a6 | 3675 | { |
428a555e | 3676 | struct tty_display_info *tty; |
f4d953fc | 3677 | |
e2749141 | 3678 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3679 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3680 | if (!terminal->name) |
0a125897 | 3681 | return; |
fca177d4 | 3682 | |
6ed8eeff | 3683 | if (terminal->type != output_termcap) |
428a555e KL |
3684 | abort (); |
3685 | ||
6ed8eeff | 3686 | tty = terminal->display_info.tty; |
f4d953fc | 3687 | |
fca177d4 KL |
3688 | if (tty == tty_list) |
3689 | tty_list = tty->next; | |
3690 | else | |
3691 | { | |
28d7d09f | 3692 | struct tty_display_info *p; |
fca177d4 KL |
3693 | for (p = tty_list; p && p->next != tty; p = p->next) |
3694 | ; | |
3695 | ||
3696 | if (! p) | |
3697 | /* This should not happen. */ | |
3698 | abort (); | |
3699 | ||
0a125897 KL |
3700 | p->next = tty->next; |
3701 | tty->next = 0; | |
fca177d4 KL |
3702 | } |
3703 | ||
7e59217d | 3704 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3705 | before delete_terminal. */ |
04c3243c | 3706 | reset_sys_modes (tty); |
fca177d4 | 3707 | |
6ed8eeff | 3708 | delete_terminal (terminal); |
3224dac1 | 3709 | |
70fdbb46 JM |
3710 | xfree (tty->name); |
3711 | xfree (tty->type); | |
daf01701 | 3712 | |
fca177d4 | 3713 | if (tty->input) |
819b8f00 KL |
3714 | { |
3715 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3716 | if (tty->input != stdin) | |
3717 | fclose (tty->input); | |
3718 | } | |
3719 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3720 | fclose (tty->output); |
3721 | if (tty->termscript) | |
3722 | fclose (tty->termscript); | |
daf01701 | 3723 | |
70fdbb46 JM |
3724 | xfree (tty->old_tty); |
3725 | xfree (tty->Wcm); | |
5f445726 JM |
3726 | xfree (tty->termcap_strings_buffer); |
3727 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3728 | |
72af86bd | 3729 | memset (tty, 0, sizeof (struct tty_display_info)); |
fca177d4 | 3730 | xfree (tty); |
fca177d4 KL |
3731 | } |
3732 | ||
428a555e KL |
3733 | \f |
3734 | ||
28d7d09f | 3735 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3736 | Called by the Fgarbage_collector. */ |
da8e1115 | 3737 | |
fca177d4 | 3738 | void |
ed8dad6b | 3739 | mark_ttys (void) |
fca177d4 | 3740 | { |
28d7d09f | 3741 | struct tty_display_info *tty; |
0c72d684 | 3742 | |
819b8f00 | 3743 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3744 | mark_object (tty->top_frame); |
072d84a6 RS |
3745 | } |
3746 | ||
428a555e KL |
3747 | \f |
3748 | ||
dfcf069d | 3749 | void |
d3da34e0 | 3750 | syms_of_term (void) |
07c57952 | 3751 | { |
29208e82 | 3752 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3753 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3754 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3755 | #ifdef TERMINFO |
3756 | system_uses_terminfo = 1; | |
3757 | #else | |
3758 | system_uses_terminfo = 0; | |
3759 | #endif | |
c291d9ef | 3760 | |
29208e82 | 3761 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e4019195 | 3762 | doc: /* Functions to be run after suspending a tty. |
fdc496e7 | 3763 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3764 | See `suspend-tty'. */); |
e4019195 | 3765 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3766 | |
3767 | ||
29208e82 | 3768 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e4019195 | 3769 | doc: /* Functions to be run after resuming a tty. |
fdc496e7 | 3770 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3771 | See `resume-tty'. */); |
e4019195 | 3772 | Vresume_tty_functions = Qnil; |
a168702a | 3773 | |
29208e82 | 3774 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3775 | doc: /* Non-nil means to make the cursor very visible. |
3776 | This only has an effect when running in a text terminal. | |
3777 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3778 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3779 | visible_cursor = 1; | |
3780 | ||
a168702a | 3781 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3782 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3783 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3784 | defsubr (&Stty_type); |
3785 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3786 | defsubr (&Ssuspend_tty); |
3787 | defsubr (&Sresume_tty); | |
7e5a23bd | 3788 | #ifdef HAVE_GPM |
6178ce5e SM |
3789 | defsubr (&Sgpm_mouse_start); |
3790 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3791 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3792 | |
84704c5c | 3793 | #ifndef DOS_NT |
3a7c5d40 CY |
3794 | default_orig_pair = NULL; |
3795 | default_set_foreground = NULL; | |
3796 | default_set_background = NULL; | |
84704c5c | 3797 | #endif /* !DOS_NT */ |
d31eee5e CY |
3798 | |
3799 | encode_terminal_src = NULL; | |
3800 | encode_terminal_dst = NULL; | |
07c57952 | 3801 | } |