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) \ | |
b286858c | 115 | OUTPUT (tty, a); \ |
6548cf00 | 116 | } while (0) |
177c0ea7 | 117 | |
28d440ab | 118 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 119 | |
f46c2aff | 120 | /* Display space properties */ |
08a24c47 | 121 | |
428a555e | 122 | /* Chain of all tty device parameters. */ |
28d7d09f | 123 | struct tty_display_info *tty_list; |
08a24c47 | 124 | |
4e6ba4a4 GM |
125 | /* Meaning of bits in no_color_video. Each bit set means that the |
126 | corresponding attribute cannot be combined with colors. */ | |
127 | ||
128 | enum no_color_bit | |
129 | { | |
130 | NC_STANDOUT = 1 << 0, | |
131 | NC_UNDERLINE = 1 << 1, | |
132 | NC_REVERSE = 1 << 2, | |
133 | NC_BLINK = 1 << 3, | |
134 | NC_DIM = 1 << 4, | |
135 | NC_BOLD = 1 << 5, | |
136 | NC_INVIS = 1 << 6, | |
137 | NC_PROTECT = 1 << 7, | |
138 | NC_ALT_CHARSET = 1 << 8 | |
139 | }; | |
140 | ||
08a24c47 JB |
141 | /* internal state */ |
142 | ||
8dd0c7cb | 143 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 144 | |
9882535b | 145 | int max_frame_cols; |
a168702a | 146 | |
8dd0c7cb | 147 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 148 | |
9882535b | 149 | int max_frame_lines; |
8dd0c7cb | 150 | |
0c72d684 KL |
151 | /* Non-zero if we have dropped our controlling tty and therefore |
152 | should not open a frame on stdout. */ | |
153 | static int no_controlling_tty; | |
08a24c47 | 154 | |
08a24c47 | 155 | \f |
cb28b9c2 | 156 | |
7e5a23bd | 157 | #ifdef HAVE_GPM |
e882229c | 158 | #include <sys/fcntl.h> |
e882229c | 159 | |
71f44e7a SM |
160 | /* The device for which we have enabled gpm support (or NULL). */ |
161 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 162 | |
cf482c50 | 163 | /* Last recorded mouse coordinates. */ |
e882229c | 164 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 165 | #endif /* HAVE_GPM */ |
e882229c | 166 | |
da8e1115 | 167 | /* Ring the bell on a tty. */ |
c291d9ef | 168 | |
ed8dad6b | 169 | static void |
385ed61f | 170 | tty_ring_bell (struct frame *f) |
3224dac1 | 171 | { |
3224dac1 | 172 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 173 | |
b6660415 KL |
174 | if (tty->output) |
175 | { | |
176 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
177 | ? tty->TS_visible_bell | |
178 | : tty->TS_bell)); | |
179 | fflush (tty->output); | |
08a24c47 | 180 | } |
08a24c47 JB |
181 | } |
182 | ||
da8e1115 KL |
183 | /* Set up termcap modes for Emacs. */ |
184 | ||
dfcf069d | 185 | void |
6ed8eeff | 186 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 187 | { |
6ed8eeff | 188 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 189 | |
0b0d3e0b | 190 | if (tty->output) |
08a24c47 | 191 | { |
fbf34973 KL |
192 | if (tty->TS_termcap_modes) |
193 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 194 | else |
fbf34973 KL |
195 | { |
196 | /* Output enough newlines to scroll all the old screen contents | |
197 | off the screen, so it won't be overwritten and lost. */ | |
198 | int i; | |
a3c07f68 | 199 | current_tty = tty; |
fbf34973 | 200 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 201 | cmputc ('\n'); |
fbf34973 KL |
202 | } |
203 | ||
b58cb614 | 204 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
205 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
206 | losecursor (tty); | |
2f98e6e3 | 207 | fflush (tty->output); |
08a24c47 | 208 | } |
08a24c47 JB |
209 | } |
210 | ||
da8e1115 KL |
211 | /* Reset termcap modes before exiting Emacs. */ |
212 | ||
dfcf069d | 213 | void |
6ed8eeff | 214 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 215 | { |
6ed8eeff | 216 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
217 | |
218 | if (tty->output) | |
08a24c47 | 219 | { |
ed8dad6b KL |
220 | tty_turn_off_highlight (tty); |
221 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
222 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
223 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
224 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
225 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 226 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 227 | current_tty = tty; |
d284f58f | 228 | cmputc ('\r'); |
2f98e6e3 | 229 | fflush (tty->output); |
08a24c47 | 230 | } |
08a24c47 JB |
231 | } |
232 | ||
6ed8eeff | 233 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 234 | |
ed8dad6b | 235 | static void |
3224dac1 | 236 | tty_update_end (struct frame *f) |
08a24c47 | 237 | { |
3224dac1 | 238 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 239 | |
3224dac1 KL |
240 | if (!XWINDOW (selected_window)->cursor_off_p) |
241 | tty_show_cursor (tty); | |
ed8dad6b KL |
242 | tty_turn_off_insert (tty); |
243 | tty_background_highlight (tty); | |
08a24c47 JB |
244 | } |
245 | ||
da8e1115 KL |
246 | /* The implementation of set_terminal_window for termcap frames. */ |
247 | ||
ed8dad6b | 248 | static void |
385ed61f | 249 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 250 | { |
3224dac1 KL |
251 | struct tty_display_info *tty = FRAME_TTY (f); |
252 | ||
253 | tty->specified_window = size ? size : FRAME_LINES (f); | |
254 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 255 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
256 | } |
257 | ||
ed8dad6b KL |
258 | static void |
259 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
260 | { |
261 | char *buf; | |
28d7d09f | 262 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 263 | |
fca177d4 KL |
264 | if (tty->TS_set_scroll_region) |
265 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
266 | else if (tty->TS_set_scroll_region_1) | |
267 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
268 | FRAME_LINES (f), start, |
269 | FRAME_LINES (f) - stop, | |
270 | FRAME_LINES (f)); | |
08a24c47 | 271 | else |
fca177d4 | 272 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 273 | |
6548cf00 | 274 | OUTPUT (tty, buf); |
9ac0d9e0 | 275 | xfree (buf); |
6548cf00 | 276 | losecursor (tty); |
08a24c47 | 277 | } |
d284f58f | 278 | |
08a24c47 | 279 | \f |
d284f58f | 280 | static void |
ed8dad6b | 281 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 282 | { |
fca177d4 KL |
283 | if (!tty->insert_mode) |
284 | OUTPUT (tty, tty->TS_insert_mode); | |
285 | tty->insert_mode = 1; | |
08a24c47 JB |
286 | } |
287 | ||
dfcf069d | 288 | void |
ed8dad6b | 289 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 290 | { |
fca177d4 KL |
291 | if (tty->insert_mode) |
292 | OUTPUT (tty, tty->TS_end_insert_mode); | |
293 | tty->insert_mode = 0; | |
08a24c47 JB |
294 | } |
295 | \f | |
54800acb | 296 | /* Handle highlighting. */ |
08a24c47 | 297 | |
dfcf069d | 298 | void |
ed8dad6b | 299 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 300 | { |
fca177d4 KL |
301 | if (tty->standout_mode) |
302 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
303 | tty->standout_mode = 0; | |
08a24c47 JB |
304 | } |
305 | ||
d284f58f | 306 | static void |
ed8dad6b | 307 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 308 | { |
fca177d4 KL |
309 | if (!tty->standout_mode) |
310 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
311 | tty->standout_mode = 1; | |
08a24c47 JB |
312 | } |
313 | ||
86a7d192 | 314 | static void |
ed8dad6b | 315 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 316 | { |
fca177d4 | 317 | if (tty->standout_mode) |
ed8dad6b | 318 | tty_turn_off_highlight (tty); |
86a7d192 | 319 | else |
ed8dad6b | 320 | tty_turn_on_highlight (tty); |
86a7d192 GM |
321 | } |
322 | ||
a168702a GM |
323 | |
324 | /* Make cursor invisible. */ | |
325 | ||
326 | static void | |
28d7d09f | 327 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 328 | { |
fca177d4 | 329 | if (tty->cursor_hidden == 0) |
d284f58f | 330 | { |
fca177d4 KL |
331 | tty->cursor_hidden = 1; |
332 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 333 | } |
a168702a GM |
334 | } |
335 | ||
336 | ||
337 | /* Ensure that cursor is visible. */ | |
338 | ||
339 | static void | |
28d7d09f | 340 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 341 | { |
fca177d4 | 342 | if (tty->cursor_hidden) |
d284f58f | 343 | { |
fca177d4 KL |
344 | tty->cursor_hidden = 0; |
345 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 346 | if (visible_cursor) |
b58cb614 | 347 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 348 | } |
a168702a GM |
349 | } |
350 | ||
351 | ||
08a24c47 JB |
352 | /* Set standout mode to the state it should be in for |
353 | empty space inside windows. What this is, | |
354 | depends on the user option inverse-video. */ | |
355 | ||
ed8dad6b KL |
356 | static void |
357 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 358 | { |
08a24c47 | 359 | if (inverse_video) |
ed8dad6b | 360 | tty_turn_on_highlight (tty); |
08a24c47 | 361 | else |
ed8dad6b | 362 | tty_turn_off_highlight (tty); |
08a24c47 JB |
363 | } |
364 | ||
365 | /* Set standout mode to the mode specified for the text to be output. */ | |
366 | ||
dfcf069d | 367 | static void |
ed8dad6b | 368 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 369 | { |
8ede64a5 | 370 | if (inverse_video) |
ed8dad6b | 371 | tty_turn_on_highlight (tty); |
8ede64a5 | 372 | else |
ed8dad6b | 373 | tty_turn_off_highlight (tty); |
08a24c47 JB |
374 | } |
375 | \f | |
376 | ||
a168702a GM |
377 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
378 | frame-relative coordinates. */ | |
08a24c47 | 379 | |
ed8dad6b | 380 | static void |
385ed61f | 381 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 382 | { |
3224dac1 | 383 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 384 | |
36cae867 KH |
385 | /* Detect the case where we are called from reset_sys_modes |
386 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 387 | if (! tty->costs_set) |
36cae867 KH |
388 | return; |
389 | ||
6548cf00 KL |
390 | if (curY (tty) == vpos |
391 | && curX (tty) == hpos) | |
08a24c47 | 392 | return; |
fca177d4 | 393 | if (!tty->TF_standout_motion) |
ed8dad6b | 394 | tty_background_highlight (tty); |
fca177d4 | 395 | if (!tty->TF_insmode_motion) |
ed8dad6b | 396 | tty_turn_off_insert (tty); |
6548cf00 | 397 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
398 | } |
399 | ||
400 | /* Similar but don't take any account of the wasted characters. */ | |
401 | ||
ed8dad6b | 402 | static void |
385ed61f | 403 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 404 | { |
3224dac1 KL |
405 | struct tty_display_info *tty = FRAME_TTY (f); |
406 | ||
6548cf00 KL |
407 | if (curY (tty) == row |
408 | && curX (tty) == col) | |
08a24c47 | 409 | return; |
fca177d4 | 410 | if (!tty->TF_standout_motion) |
ed8dad6b | 411 | tty_background_highlight (tty); |
fca177d4 | 412 | if (!tty->TF_insmode_motion) |
ed8dad6b | 413 | tty_turn_off_insert (tty); |
6548cf00 | 414 | cmgoto (tty, row, col); |
08a24c47 JB |
415 | } |
416 | \f | |
417 | /* Erase operations */ | |
418 | ||
da8e1115 KL |
419 | /* Clear from cursor to end of frame on a termcap device. */ |
420 | ||
ed8dad6b | 421 | static void |
385ed61f | 422 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
423 | { |
424 | register int i; | |
3224dac1 | 425 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 426 | |
fca177d4 | 427 | if (tty->TS_clr_to_bottom) |
08a24c47 | 428 | { |
ed8dad6b | 429 | tty_background_highlight (tty); |
fca177d4 | 430 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
431 | } |
432 | else | |
433 | { | |
6548cf00 | 434 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 435 | { |
385ed61f KL |
436 | cursor_to (f, i, 0); |
437 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
438 | } |
439 | } | |
440 | } | |
441 | ||
da8e1115 | 442 | /* Clear an entire termcap frame. */ |
08a24c47 | 443 | |
ed8dad6b | 444 | static void |
385ed61f | 445 | tty_clear_frame (struct frame *f) |
08a24c47 | 446 | { |
3224dac1 | 447 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 448 | |
fca177d4 | 449 | if (tty->TS_clr_frame) |
08a24c47 | 450 | { |
ed8dad6b | 451 | tty_background_highlight (tty); |
fca177d4 | 452 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 453 | cmat (tty, 0, 0); |
08a24c47 JB |
454 | } |
455 | else | |
456 | { | |
385ed61f KL |
457 | cursor_to (f, 0, 0); |
458 | clear_to_end (f); | |
08a24c47 JB |
459 | } |
460 | } | |
461 | ||
da8e1115 | 462 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
463 | |
464 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
465 | ||
ed8dad6b | 466 | static void |
385ed61f | 467 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
468 | { |
469 | register int i; | |
3224dac1 | 470 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 471 | |
36cae867 KH |
472 | /* Detect the case where we are called from reset_sys_modes |
473 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 474 | if (! tty->costs_set) |
36cae867 KH |
475 | return; |
476 | ||
6548cf00 | 477 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 478 | return; |
ed8dad6b | 479 | tty_background_highlight (tty); |
fca177d4 | 480 | if (tty->TS_clr_line) |
08a24c47 | 481 | { |
fca177d4 | 482 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
483 | } |
484 | else | |
485 | { /* have to do it the hard way */ | |
ed8dad6b | 486 | tty_turn_off_insert (tty); |
08a24c47 | 487 | |
a168702a | 488 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 489 | if (AutoWrap (tty) |
0a125897 KL |
490 | && curY (tty) == FrameRows (tty) - 1 |
491 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
492 | first_unused_hpos--; |
493 | ||
6548cf00 | 494 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 495 | { |
0b0d3e0b KL |
496 | if (tty->termscript) |
497 | fputc (' ', tty->termscript); | |
498 | fputc (' ', tty->output); | |
08a24c47 | 499 | } |
6548cf00 | 500 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
501 | } |
502 | } | |
503 | \f | |
288d5132 KH |
504 | /* Buffers to store the source and result of code conversion for terminal. */ |
505 | static unsigned char *encode_terminal_src; | |
506 | static unsigned char *encode_terminal_dst; | |
507 | /* Allocated sizes of the above buffers. */ | |
508 | static int encode_terminal_src_size; | |
509 | static int encode_terminal_dst_size; | |
510 | ||
511 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
512 | Set CODING->produced to the byte-length of the resulting byte | |
513 | sequence, and return a pointer to that byte sequence. */ | |
514 | ||
515 | unsigned char * | |
d3da34e0 | 516 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 517 | { |
feef4f84 | 518 | struct glyph *src_end = src + src_len; |
288d5132 KH |
519 | unsigned char *buf; |
520 | int nchars, nbytes, required; | |
a4decb7f KH |
521 | register int tlen = GLYPH_TABLE_LENGTH; |
522 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 523 | Lisp_Object charset_list; |
c5a518df | 524 | |
288d5132 KH |
525 | /* Allocate sufficient size of buffer to store all characters in |
526 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
527 | Vglyph_table contains a string or a composite glyph is |
528 | encountered. */ | |
288d5132 KH |
529 | required = MAX_MULTIBYTE_LENGTH * src_len; |
530 | if (encode_terminal_src_size < required) | |
531 | { | |
d31eee5e | 532 | if (encode_terminal_src) |
288d5132 | 533 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
534 | else |
535 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
536 | encode_terminal_src_size = required; |
537 | } | |
6589fd67 | 538 | |
288d5132 | 539 | charset_list = coding_charset_list (coding); |
a4decb7f | 540 | |
288d5132 KH |
541 | buf = encode_terminal_src; |
542 | nchars = 0; | |
543 | while (src < src_end) | |
a4decb7f | 544 | { |
4c12d738 KH |
545 | if (src->type == COMPOSITE_GLYPH) |
546 | { | |
75a10786 KH |
547 | struct composition *cmp; |
548 | Lisp_Object gstring; | |
4c12d738 KH |
549 | int i; |
550 | ||
551 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
552 | if (src->u.cmp.automatic) |
553 | { | |
554 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
4be9765d | 555 | required = src->slice.cmp.to + 1 - src->slice.cmp.from; |
75a10786 KH |
556 | } |
557 | else | |
558 | { | |
559 | cmp = composition_table[src->u.cmp.id]; | |
560 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
561 | } | |
4c12d738 KH |
562 | |
563 | if (encode_terminal_src_size < nbytes + required) | |
564 | { | |
565 | encode_terminal_src_size = nbytes + required; | |
566 | encode_terminal_src = xrealloc (encode_terminal_src, | |
567 | encode_terminal_src_size); | |
568 | buf = encode_terminal_src + nbytes; | |
569 | } | |
570 | ||
75a10786 | 571 | if (src->u.cmp.automatic) |
4be9765d | 572 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
573 | { |
574 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
575 | int c = LGLYPH_CHAR (g); | |
576 | ||
577 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 578 | c = '?'; |
75a10786 KH |
579 | buf += CHAR_STRING (c, buf); |
580 | nchars++; | |
581 | } | |
582 | else | |
583 | for (i = 0; i < cmp->glyph_len; i++) | |
584 | { | |
585 | int c = COMPOSITION_GLYPH (cmp, i); | |
586 | ||
d0984aff KH |
587 | if (c == '\t') |
588 | continue; | |
589 | if (char_charset (c, charset_list, NULL)) | |
590 | { | |
591 | if (CHAR_WIDTH (c) == 0 | |
592 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
593 | /* Should be left-padded */ | |
594 | { | |
595 | buf += CHAR_STRING (' ', buf); | |
596 | nchars++; | |
597 | } | |
598 | } | |
599 | else | |
600 | c = '?'; | |
75a10786 KH |
601 | buf += CHAR_STRING (c, buf); |
602 | nchars++; | |
603 | } | |
4c12d738 | 604 | } |
a4decb7f | 605 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 606 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 607 | { |
f4d953fc | 608 | GLYPH g; |
288d5132 KH |
609 | int c; |
610 | Lisp_Object string; | |
611 | ||
4ae0a2c0 | 612 | string = Qnil; |
f4d953fc | 613 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 614 | |
f4d953fc | 615 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 616 | { |
f185a758 | 617 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
618 | c = src->u.ch; |
619 | } | |
32de38e4 | 620 | else |
a4decb7f | 621 | { |
32de38e4 | 622 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
623 | so process any alias before testing for simpleness. */ |
624 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
625 | |
626 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
627 | /* We set the multi-byte form of a character in G |
628 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 629 | c = GLYPH_CHAR (g); |
32de38e4 | 630 | else |
4ae0a2c0 | 631 | /* We have a string in Vglyph_table. */ |
f4d953fc | 632 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 633 | } |
177c0ea7 | 634 | |
4ae0a2c0 | 635 | if (NILP (string)) |
c42869c4 | 636 | { |
4c12d738 KH |
637 | nbytes = buf - encode_terminal_src; |
638 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
639 | { | |
640 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
641 | encode_terminal_src = xrealloc (encode_terminal_src, | |
642 | encode_terminal_src_size); | |
643 | buf = encode_terminal_src + nbytes; | |
644 | } | |
d419e1d9 KH |
645 | if (CHAR_BYTE8_P (c) |
646 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 647 | { |
288d5132 KH |
648 | /* Store the multibyte form of C at BUF. */ |
649 | buf += CHAR_STRING (c, buf); | |
650 | nchars++; | |
c5a518df KH |
651 | } |
652 | else | |
653 | { | |
288d5132 KH |
654 | /* C is not encodable. */ |
655 | *buf++ = '?'; | |
c5a518df | 656 | nchars++; |
288d5132 KH |
657 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
658 | { | |
659 | *buf++ = '?'; | |
660 | nchars++; | |
661 | src++; | |
662 | } | |
c5a518df | 663 | } |
4ae0a2c0 KH |
664 | } |
665 | else | |
666 | { | |
37254dc1 | 667 | unsigned char *p = SDATA (string); |
288d5132 KH |
668 | |
669 | if (! STRING_MULTIBYTE (string)) | |
670 | string = string_to_multibyte (string); | |
671 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 672 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 673 | { |
288d5132 KH |
674 | encode_terminal_src_size = nbytes + SBYTES (string); |
675 | encode_terminal_src = xrealloc (encode_terminal_src, | |
676 | encode_terminal_src_size); | |
677 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 678 | } |
72af86bd | 679 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
680 | buf += SBYTES (string); |
681 | nchars += SCHARS (string); | |
c42869c4 | 682 | } |
a4decb7f | 683 | } |
288d5132 KH |
684 | src++; |
685 | } | |
686 | ||
687 | if (nchars == 0) | |
688 | { | |
689 | coding->produced = 0; | |
690 | return NULL; | |
a4decb7f | 691 | } |
177c0ea7 | 692 | |
288d5132 KH |
693 | nbytes = buf - encode_terminal_src; |
694 | coding->source = encode_terminal_src; | |
695 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 696 | { |
288d5132 | 697 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
698 | if (encode_terminal_dst) |
699 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
700 | encode_terminal_dst_size); | |
701 | else | |
702 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 703 | } |
288d5132 KH |
704 | coding->destination = encode_terminal_dst; |
705 | coding->dst_bytes = encode_terminal_dst_size; | |
706 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 707 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
708 | encode_terminal_dst = coding->destination; |
709 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 710 | |
288d5132 | 711 | return (encode_terminal_dst); |
a4decb7f KH |
712 | } |
713 | ||
08a24c47 | 714 | |
c73bd236 | 715 | |
da8e1115 KL |
716 | /* An implementation of write_glyphs for termcap frames. */ |
717 | ||
ed8dad6b | 718 | static void |
385ed61f | 719 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 720 | { |
288d5132 KH |
721 | unsigned char *conversion_buffer; |
722 | struct coding_system *coding; | |
08a24c47 | 723 | |
3224dac1 | 724 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 725 | |
ed8dad6b | 726 | tty_turn_off_insert (tty); |
fca177d4 | 727 | tty_hide_cursor (tty); |
08a24c47 | 728 | |
a168702a | 729 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 730 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 731 | |
6548cf00 KL |
732 | if (AutoWrap (tty) |
733 | && curY (tty) + 1 == FRAME_LINES (f) | |
734 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 735 | len --; |
a4decb7f KH |
736 | if (len <= 0) |
737 | return; | |
08a24c47 | 738 | |
6548cf00 | 739 | cmplus (tty, len); |
177c0ea7 | 740 | |
af645abf KH |
741 | /* If terminal_coding does any conversion, use it, otherwise use |
742 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
743 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
744 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
745 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
746 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
747 | the tail. */ | |
af645abf | 748 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 749 | |
a4decb7f | 750 | while (len > 0) |
08a24c47 | 751 | { |
a168702a | 752 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 753 | int face_id = string->face_id; |
a168702a | 754 | int n; |
177c0ea7 | 755 | |
a168702a | 756 | for (n = 1; n < len; ++n) |
32de38e4 | 757 | if (string[n].face_id != face_id) |
a168702a GM |
758 | break; |
759 | ||
760 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 761 | tty_highlight_if_desired (tty); |
a168702a GM |
762 | turn_on_face (f, face_id); |
763 | ||
288d5132 KH |
764 | if (n == len) |
765 | /* This is the last run. */ | |
766 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
767 | conversion_buffer = encode_terminal_code (string, n, coding); | |
768 | if (coding->produced > 0) | |
08a24c47 | 769 | { |
1a935bfd | 770 | BLOCK_INPUT; |
fad2f685 KL |
771 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
772 | if (ferror (tty->output)) | |
773 | clearerr (tty->output); | |
774 | if (tty->termscript) | |
775 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 776 | UNBLOCK_INPUT; |
08a24c47 | 777 | } |
288d5132 KH |
778 | len -= n; |
779 | string += n; | |
a168702a GM |
780 | |
781 | /* Turn appearance modes off. */ | |
782 | turn_off_face (f, face_id); | |
ed8dad6b | 783 | tty_turn_off_highlight (tty); |
a4decb7f | 784 | } |
177c0ea7 | 785 | |
6548cf00 | 786 | cmcheckmagic (tty); |
08a24c47 JB |
787 | } |
788 | ||
b870aa61 SM |
789 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
790 | ||
7be1c21a | 791 | static void |
d3da34e0 JB |
792 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
793 | register int len, register int face_id) | |
e882229c | 794 | { |
e882229c NR |
795 | unsigned char *conversion_buffer; |
796 | struct coding_system *coding; | |
797 | ||
7be1c21a MB |
798 | struct tty_display_info *tty = FRAME_TTY (f); |
799 | ||
800 | tty_turn_off_insert (tty); | |
801 | tty_hide_cursor (tty); | |
e882229c NR |
802 | |
803 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
804 | since that would scroll the whole frame on some terminals. */ | |
805 | ||
7be1c21a MB |
806 | if (AutoWrap (tty) |
807 | && curY (tty) + 1 == FRAME_LINES (f) | |
808 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
809 | len --; |
810 | if (len <= 0) | |
811 | return; | |
812 | ||
7be1c21a | 813 | cmplus (tty, len); |
e882229c NR |
814 | |
815 | /* If terminal_coding does any conversion, use it, otherwise use | |
816 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
817 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
818 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
819 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
820 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
821 | the tail. */ | |
822 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
823 | ||
e882229c | 824 | /* Turn appearance modes of the face. */ |
7be1c21a | 825 | tty_highlight_if_desired (tty); |
e882229c NR |
826 | turn_on_face (f, face_id); |
827 | ||
828 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
829 | conversion_buffer = encode_terminal_code (string, len, coding); | |
830 | if (coding->produced > 0) | |
831 | { | |
832 | BLOCK_INPUT; | |
7be1c21a MB |
833 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
834 | if (ferror (tty->output)) | |
835 | clearerr (tty->output); | |
836 | if (tty->termscript) | |
837 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
838 | UNBLOCK_INPUT; |
839 | } | |
840 | ||
841 | /* Turn appearance modes off. */ | |
842 | turn_off_face (f, face_id); | |
7be1c21a | 843 | tty_turn_off_highlight (tty); |
e882229c | 844 | |
7be1c21a | 845 | cmcheckmagic (tty); |
e882229c | 846 | } |
b870aa61 | 847 | #endif |
e882229c | 848 | |
da8e1115 | 849 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 850 | |
ed8dad6b | 851 | static void |
385ed61f | 852 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
853 | { |
854 | char *buf; | |
6bbd7a29 | 855 | struct glyph *glyph = NULL; |
af645abf KH |
856 | unsigned char *conversion_buffer; |
857 | unsigned char space[1]; | |
858 | struct coding_system *coding; | |
08a24c47 | 859 | |
3224dac1 | 860 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 861 | |
fca177d4 | 862 | if (tty->TS_ins_multi_chars) |
08a24c47 | 863 | { |
fca177d4 | 864 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 865 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 866 | xfree (buf); |
08a24c47 | 867 | if (start) |
385ed61f | 868 | write_glyphs (f, start, len); |
08a24c47 JB |
869 | return; |
870 | } | |
871 | ||
ed8dad6b | 872 | tty_turn_on_insert (tty); |
6548cf00 | 873 | cmplus (tty, len); |
288d5132 KH |
874 | |
875 | if (! start) | |
876 | space[0] = SPACEGLYPH; | |
877 | ||
878 | /* If terminal_coding does any conversion, use it, otherwise use | |
879 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
880 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
881 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
882 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
883 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
884 | the tail. */ | |
885 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
886 | ||
07109bf9 | 887 | while (len-- > 0) |
08a24c47 | 888 | { |
fca177d4 | 889 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 890 | if (!start) |
32de38e4 | 891 | { |
288d5132 KH |
892 | conversion_buffer = space; |
893 | coding->produced = 1; | |
32de38e4 | 894 | } |
08a24c47 | 895 | else |
08a24c47 | 896 | { |
ed8dad6b | 897 | tty_highlight_if_desired (tty); |
32de38e4 | 898 | turn_on_face (f, start->face_id); |
816be8b8 | 899 | glyph = start; |
a168702a | 900 | ++start; |
a4decb7f KH |
901 | /* We must open sufficient space for a character which |
902 | occupies more than one column. */ | |
a168702a | 903 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 904 | { |
fca177d4 | 905 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
906 | start++, len--; |
907 | } | |
288d5132 KH |
908 | |
909 | if (len <= 0) | |
910 | /* This is the last glyph. */ | |
911 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
912 | ||
fad2f685 | 913 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 914 | } |
a4decb7f | 915 | |
288d5132 | 916 | if (coding->produced > 0) |
08a24c47 | 917 | { |
1a935bfd | 918 | BLOCK_INPUT; |
fad2f685 | 919 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
920 | if (ferror (tty->output)) |
921 | clearerr (tty->output); | |
922 | if (tty->termscript) | |
fad2f685 | 923 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 924 | UNBLOCK_INPUT; |
08a24c47 JB |
925 | } |
926 | ||
fca177d4 | 927 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 928 | if (start) |
65aa5e85 GM |
929 | { |
930 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 931 | tty_turn_off_highlight (tty); |
65aa5e85 | 932 | } |
9a6b6f92 | 933 | } |
177c0ea7 | 934 | |
6548cf00 | 935 | cmcheckmagic (tty); |
08a24c47 JB |
936 | } |
937 | ||
da8e1115 KL |
938 | /* An implementation of delete_glyphs for termcap frames. */ |
939 | ||
ed8dad6b | 940 | static void |
385ed61f | 941 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
942 | { |
943 | char *buf; | |
944 | register int i; | |
945 | ||
3224dac1 | 946 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 947 | |
fca177d4 | 948 | if (tty->delete_in_insert_mode) |
08a24c47 | 949 | { |
ed8dad6b | 950 | tty_turn_on_insert (tty); |
08a24c47 JB |
951 | } |
952 | else | |
953 | { | |
ed8dad6b | 954 | tty_turn_off_insert (tty); |
fca177d4 | 955 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
956 | } |
957 | ||
fca177d4 | 958 | if (tty->TS_del_multi_chars) |
08a24c47 | 959 | { |
fca177d4 | 960 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 961 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 962 | xfree (buf); |
08a24c47 JB |
963 | } |
964 | else | |
965 | for (i = 0; i < n; i++) | |
fca177d4 KL |
966 | OUTPUT1 (tty, tty->TS_del_char); |
967 | if (!tty->delete_in_insert_mode) | |
968 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
969 | } |
970 | \f | |
da8e1115 | 971 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 972 | |
ed8dad6b | 973 | static void |
385ed61f | 974 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 975 | { |
3224dac1 KL |
976 | struct tty_display_info *tty = FRAME_TTY (f); |
977 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
978 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
979 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
980 | |
981 | register int i = n > 0 ? n : -n; | |
982 | register char *buf; | |
983 | ||
08a24c47 JB |
984 | /* If the lines below the insertion are being pushed |
985 | into the end of the window, this is the same as clearing; | |
986 | and we know the lines are already clear, since the matching | |
987 | deletion has already been done. So can ignore this. */ | |
988 | /* If the lines below the deletion are blank lines coming | |
989 | out of the end of the window, don't bother, | |
990 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
991 | if (FRAME_SCROLL_REGION_OK (f) |
992 | && vpos + i >= tty->specified_window) | |
08a24c47 | 993 | return; |
3224dac1 KL |
994 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
995 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 996 | return; |
f4d953fc | 997 | |
08a24c47 JB |
998 | if (multi) |
999 | { | |
6839f1e2 | 1000 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1001 | tty_background_highlight (tty); |
08a24c47 | 1002 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1003 | OUTPUT (tty, buf); |
9ac0d9e0 | 1004 | xfree (buf); |
08a24c47 JB |
1005 | } |
1006 | else if (single) | |
1007 | { | |
6839f1e2 | 1008 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1009 | tty_background_highlight (tty); |
08a24c47 | 1010 | while (--i >= 0) |
3224dac1 KL |
1011 | OUTPUT (tty, single); |
1012 | if (tty->TF_teleray) | |
1013 | curX (tty) = 0; | |
08a24c47 JB |
1014 | } |
1015 | else | |
1016 | { | |
ed8dad6b | 1017 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1018 | if (n < 0) |
6839f1e2 | 1019 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1020 | else |
6839f1e2 | 1021 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1022 | tty_background_highlight (tty); |
08a24c47 | 1023 | while (--i >= 0) |
3224dac1 | 1024 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1025 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1026 | } |
f4d953fc | 1027 | |
3224dac1 KL |
1028 | if (!FRAME_SCROLL_REGION_OK (f) |
1029 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1030 | && n < 0) | |
08a24c47 | 1031 | { |
385ed61f KL |
1032 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1033 | clear_to_end (f); | |
08a24c47 JB |
1034 | } |
1035 | } | |
1036 | \f | |
1037 | /* Compute cost of sending "str", in characters, | |
1038 | not counting any line-dependent padding. */ | |
1039 | ||
1040 | int | |
8ea90aa3 | 1041 | string_cost (const char *str) |
08a24c47 JB |
1042 | { |
1043 | cost = 0; | |
1044 | if (str) | |
1045 | tputs (str, 0, evalcost); | |
1046 | return cost; | |
1047 | } | |
1048 | ||
1049 | /* Compute cost of sending "str", in characters, | |
1050 | counting any line-dependent padding at one line. */ | |
1051 | ||
1052 | static int | |
8ea90aa3 | 1053 | string_cost_one_line (const char *str) |
08a24c47 JB |
1054 | { |
1055 | cost = 0; | |
1056 | if (str) | |
1057 | tputs (str, 1, evalcost); | |
1058 | return cost; | |
1059 | } | |
1060 | ||
1061 | /* Compute per line amount of line-dependent padding, | |
1062 | in tenths of characters. */ | |
1063 | ||
1064 | int | |
8ea90aa3 | 1065 | per_line_cost (const char *str) |
08a24c47 JB |
1066 | { |
1067 | cost = 0; | |
1068 | if (str) | |
1069 | tputs (str, 0, evalcost); | |
1070 | cost = - cost; | |
1071 | if (str) | |
1072 | tputs (str, 10, evalcost); | |
1073 | return cost; | |
1074 | } | |
1075 | ||
08a24c47 | 1076 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1077 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1078 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1079 | |
1080 | int *char_ins_del_vector; | |
1081 | ||
9882535b | 1082 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1083 | |
1084 | /* ARGSUSED */ | |
1085 | static void | |
6839f1e2 | 1086 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1087 | { |
28d7d09f | 1088 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1089 | int ins_startup_cost, del_startup_cost; |
1090 | int ins_cost_per_char, del_cost_per_char; | |
1091 | register int i; | |
1092 | register int *p; | |
1093 | ||
fca177d4 | 1094 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1095 | { |
1096 | ins_cost_per_char = 0; | |
fca177d4 | 1097 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1098 | } |
fca177d4 KL |
1099 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1100 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1101 | { |
fca177d4 KL |
1102 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1103 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1104 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1105 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1106 | } |
1107 | else | |
1108 | { | |
1109 | ins_startup_cost = 9999; | |
1110 | ins_cost_per_char = 0; | |
1111 | } | |
1112 | ||
fca177d4 | 1113 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1114 | { |
1115 | del_cost_per_char = 0; | |
fca177d4 | 1116 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1117 | } |
fca177d4 | 1118 | else if (tty->TS_del_char) |
08a24c47 | 1119 | { |
fca177d4 KL |
1120 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1121 | + string_cost (tty->TS_end_delete_mode)); | |
1122 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1123 | del_startup_cost /= 2; |
fca177d4 | 1124 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1125 | } |
1126 | else | |
1127 | { | |
1128 | del_startup_cost = 9999; | |
1129 | del_cost_per_char = 0; | |
1130 | } | |
1131 | ||
1132 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1133 | p = &char_ins_del_cost (f)[0]; |
1134 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1135 | *--p = (del_startup_cost += del_cost_per_char); |
1136 | ||
1137 | /* Doing nothing is free */ | |
fca177d4 | 1138 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1139 | *p++ = 0; |
1140 | ||
1141 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1142 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1143 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1144 | } | |
1145 | ||
dfcf069d | 1146 | void |
6839f1e2 | 1147 | calculate_costs (struct frame *frame) |
08a24c47 | 1148 | { |
9f732a77 | 1149 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1150 | |
28d440ab | 1151 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1152 | { |
1153 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1154 | register char *f = (tty->TS_set_scroll_region | |
1155 | ? tty->TS_set_scroll_region | |
1156 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1157 | |
daf01701 | 1158 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1159 | |
daf01701 | 1160 | tty->costs_set = 1; |
08a24c47 | 1161 | |
daf01701 KL |
1162 | /* These variables are only used for terminal stuff. They are |
1163 | allocated once for the terminal frame of X-windows emacs, but not | |
1164 | used afterwards. | |
8dd0c7cb | 1165 | |
daf01701 KL |
1166 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1167 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1168 | |
daf01701 KL |
1169 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1170 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1171 | |
daf01701 KL |
1172 | if (char_ins_del_vector != 0) |
1173 | char_ins_del_vector | |
1174 | = (int *) xrealloc (char_ins_del_vector, | |
1175 | (sizeof (int) | |
1176 | + 2 * max_frame_cols * sizeof (int))); | |
1177 | else | |
1178 | char_ins_del_vector | |
1179 | = (int *) xmalloc (sizeof (int) | |
1180 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1181 | |
72af86bd AS |
1182 | memset (char_ins_del_vector, 0, |
1183 | (sizeof (int) + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1184 | |
daf01701 KL |
1185 | |
1186 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1187 | do_line_insertion_deletion_costs (frame, | |
1188 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1189 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1190 | f, f, 1); | |
1191 | else | |
1192 | do_line_insertion_deletion_costs (frame, | |
1193 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1194 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1195 | 0, 0, 1); | |
1196 | ||
1197 | calculate_ins_del_char_costs (frame); | |
1198 | ||
1199 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1200 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1201 | tty->RPov = string_cost (tty->TS_repeat); | |
1202 | else | |
1203 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1204 | |
daf01701 KL |
1205 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1206 | } | |
08a24c47 JB |
1207 | } |
1208 | \f | |
a796ac82 JB |
1209 | struct fkey_table { |
1210 | char *cap, *name; | |
1211 | }; | |
1212 | ||
01d8deb0 ER |
1213 | /* Termcap capability names that correspond directly to X keysyms. |
1214 | Some of these (marked "terminfo") aren't supplied by old-style | |
1215 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1216 | except we put the keypad keys first, so that if they clash with | |
1217 | other keys (as on the IBM PC keyboard) they get overridden. | |
1218 | */ | |
1219 | ||
648801d1 | 1220 | static const struct fkey_table keys[] = |
a168702a | 1221 | { |
8103ad1a PJ |
1222 | {"kh", "home"}, /* termcap */ |
1223 | {"kl", "left"}, /* termcap */ | |
1224 | {"ku", "up"}, /* termcap */ | |
1225 | {"kr", "right"}, /* termcap */ | |
1226 | {"kd", "down"}, /* termcap */ | |
1227 | {"%8", "prior"}, /* terminfo */ | |
1228 | {"%5", "next"}, /* terminfo */ | |
1229 | {"@7", "end"}, /* terminfo */ | |
1230 | {"@1", "begin"}, /* terminfo */ | |
1231 | {"*6", "select"}, /* terminfo */ | |
1232 | {"%9", "print"}, /* terminfo */ | |
1233 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1234 | /* |
1235 | * "insert" --- see below | |
1236 | */ | |
8103ad1a PJ |
1237 | {"&8", "undo"}, /* terminfo */ |
1238 | {"%0", "redo"}, /* terminfo */ | |
1239 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1240 | {"@0", "find"}, /* terminfo */ | |
1241 | {"@2", "cancel"}, /* terminfo */ | |
1242 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1243 | /* |
1244 | * "break" goes here, but can't be reliably intercepted with termcap | |
1245 | */ | |
8103ad1a | 1246 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1247 | /* |
1248 | * "system" and "user" --- no termcaps | |
1249 | */ | |
8103ad1a PJ |
1250 | {"kE", "clearline"}, /* terminfo */ |
1251 | {"kA", "insertline"}, /* terminfo */ | |
1252 | {"kL", "deleteline"}, /* terminfo */ | |
1253 | {"kI", "insertchar"}, /* terminfo */ | |
1254 | {"kD", "deletechar"}, /* terminfo */ | |
1255 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1256 | /* |
1257 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1258 | */ | |
8103ad1a | 1259 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1260 | /* |
1261 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1262 | * "kp-multiply", "kp-add", "kp-separator", | |
1263 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1264 | * --- no termcaps for any of these. | |
1265 | */ | |
8103ad1a | 1266 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1267 | /* |
1268 | * "kp-2" --- no termcap | |
1269 | */ | |
8103ad1a | 1270 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1271 | /* |
1272 | * "kp-4" --- no termcap | |
1273 | */ | |
8103ad1a | 1274 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1275 | /* |
1276 | * "kp-6" --- no termcap | |
1277 | */ | |
8103ad1a | 1278 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1279 | /* |
1280 | * "kp-8" --- no termcap | |
1281 | */ | |
8103ad1a | 1282 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1283 | /* |
1284 | * "kp-equal" --- no termcap | |
1285 | */ | |
8103ad1a PJ |
1286 | {"k1", "f1"}, |
1287 | {"k2", "f2"}, | |
1288 | {"k3", "f3"}, | |
1289 | {"k4", "f4"}, | |
1290 | {"k5", "f5"}, | |
1291 | {"k6", "f6"}, | |
1292 | {"k7", "f7"}, | |
1293 | {"k8", "f8"}, | |
60ec7b7e DN |
1294 | {"k9", "f9"}, |
1295 | ||
1296 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1297 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1298 | {"*0", "S-find"}, /*shifted find key*/ | |
1299 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1300 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1301 | {"*7", "S-end"}, /*shifted end key*/ | |
1302 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1303 | {"#1", "S-help"}, /*shifted help key*/ | |
1304 | {"#2", "S-home"}, /*shifted home key*/ | |
1305 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1306 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1307 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1308 | {"%c", "S-next"}, /*shifted next key*/ | |
1309 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1310 | {"%f", "S-print"}, /*shifted print key*/ | |
1311 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1312 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1313 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1314 | }; |
1315 | ||
361358ea | 1316 | #ifndef DOS_NT |
e7cf0fa0 KL |
1317 | static char **term_get_fkeys_address; |
1318 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1319 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1320 | |
4f4a84ec | 1321 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1322 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1323 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1324 | |
ed8dad6b | 1325 | static void |
d3da34e0 | 1326 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1327 | { |
1328 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1329 | errors during the call. The only errors should be from Fdefine_key | |
1330 | when given a key sequence containing an invalid prefix key. If the | |
1331 | termcap defines function keys which use a prefix that is already bound | |
1332 | to a command by the default bindings, we should silently ignore that | |
1333 | function key specification, rather than giving the user an error and | |
1334 | refusing to run at all on such a terminal. */ | |
1335 | ||
e7cf0fa0 KL |
1336 | term_get_fkeys_address = address; |
1337 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1338 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1339 | } | |
1340 | ||
1341 | static Lisp_Object | |
d3da34e0 | 1342 | term_get_fkeys_1 (void) |
5c2c7893 | 1343 | { |
5c2c7893 JB |
1344 | int i; |
1345 | ||
e7cf0fa0 KL |
1346 | char **address = term_get_fkeys_address; |
1347 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1348 | |
3e65092f | 1349 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 TT |
1350 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
1351 | KVAR (kboard, Vinput_decode_map) = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1352 | |
5c2c7893 JB |
1353 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1354 | { | |
1355 | char *sequence = tgetstr (keys[i].cap, address); | |
1356 | if (sequence) | |
1344aad4 | 1357 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1358 | Fmake_vector (make_number (1), |
1359 | intern (keys[i].name))); | |
5c2c7893 | 1360 | } |
a796ac82 JB |
1361 | |
1362 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1363 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1364 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1365 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1366 | */ | |
1367 | { | |
1368 | char *k_semi = tgetstr ("k;", address); | |
1369 | char *k0 = tgetstr ("k0", address); | |
1370 | char *k0_name = "f10"; | |
1371 | ||
1372 | if (k_semi) | |
1373 | { | |
95c11956 SM |
1374 | if (k0) |
1375 | /* Define f0 first, so that f10 takes precedence in case the | |
1376 | key sequences happens to be the same. */ | |
1344aad4 | 1377 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1378 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1379 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1380 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1381 | } |
95c11956 | 1382 | else if (k0) |
1344aad4 | 1383 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1384 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1385 | } |
01d8deb0 ER |
1386 | |
1387 | /* Set up cookies for numbered function keys above f10. */ | |
1388 | { | |
1389 | char fcap[3], fkey[4]; | |
1390 | ||
fc4f24da | 1391 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1392 | for (i = 11; i < 64; i++) |
1393 | { | |
1394 | if (i <= 19) | |
1395 | fcap[1] = '1' + i - 11; | |
1396 | else if (i <= 45) | |
b59ab95c | 1397 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1398 | else |
b59ab95c | 1399 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1400 | |
fc4f24da RS |
1401 | { |
1402 | char *sequence = tgetstr (fcap, address); | |
1403 | if (sequence) | |
1404 | { | |
465db27b | 1405 | sprintf (fkey, "f%d", i); |
1344aad4 | 1406 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1407 | Fmake_vector (make_number (1), |
1408 | intern (fkey))); | |
fc4f24da RS |
1409 | } |
1410 | } | |
01d8deb0 ER |
1411 | } |
1412 | } | |
1413 | ||
1414 | /* | |
1415 | * Various mappings to try and get a better fit. | |
1416 | */ | |
1417 | { | |
fc4f24da RS |
1418 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1419 | if (!tgetstr (cap1, address)) \ | |
1420 | { \ | |
1421 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1422 | if (sequence) \ |
1344aad4 | 1423 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1424 | Fmake_vector (make_number (1), \ |
1425 | intern (sym))); \ | |
fc4f24da | 1426 | } |
177c0ea7 | 1427 | |
01d8deb0 | 1428 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1429 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1430 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1431 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1432 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1433 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1434 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1435 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1436 | |
1437 | /* IBM has their own non-standard dialect of terminfo. | |
1438 | If the standard name isn't found, try the IBM name. */ | |
1439 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1440 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1441 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1442 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1443 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1444 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1445 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1446 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1447 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1448 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1449 | } |
a168702a GM |
1450 | |
1451 | return Qnil; | |
5c2c7893 | 1452 | } |
361358ea | 1453 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1454 | |
1455 | \f | |
a168702a GM |
1456 | /*********************************************************************** |
1457 | Character Display Information | |
1458 | ***********************************************************************/ | |
f57e2426 J |
1459 | static void append_glyph (struct it *); |
1460 | static void produce_stretch_glyph (struct it *); | |
1461 | static void append_composite_glyph (struct it *); | |
1462 | static void produce_composite_glyph (struct it *); | |
b18fad6d KH |
1463 | static void append_glyphless_glyph (struct it *, int, char *); |
1464 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); | |
a168702a GM |
1465 | |
1466 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1467 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1468 | the character for which to produce glyphs; IT->face_id contains the | |
1469 | character's face. Padding glyphs are appended if IT->c has a | |
1470 | IT->pixel_width > 1. */ | |
177c0ea7 | 1471 | |
a168702a | 1472 | static void |
d3da34e0 | 1473 | append_glyph (struct it *it) |
a168702a GM |
1474 | { |
1475 | struct glyph *glyph, *end; | |
1476 | int i; | |
1477 | ||
1478 | xassert (it->glyph_row); | |
1479 | glyph = (it->glyph_row->glyphs[it->area] | |
1480 | + it->glyph_row->used[it->area]); | |
1481 | end = it->glyph_row->glyphs[1 + it->area]; | |
1482 | ||
5e65aec0 EZ |
1483 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1484 | than append it. */ | |
1485 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1486 | { | |
1487 | struct glyph *g; | |
1488 | int move_by = it->pixel_width; | |
1489 | ||
1490 | /* Make room for the new glyphs. */ | |
1491 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1492 | move_by = end - glyph; | |
1493 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1494 | g[move_by] = *g; | |
1495 | glyph = it->glyph_row->glyphs[it->area]; | |
1496 | end = glyph + move_by; | |
1497 | } | |
1498 | ||
1499 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1500 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1501 | identical, and (b) the PADDING_P flag needs to be set for the | |
1502 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1503 | for (i = 0; |
1504 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1505 | ++i) |
1506 | { | |
1507 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1508 | glyph->pixel_width = 1; |
d2b4c17d | 1509 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1510 | glyph->face_id = it->face_id; |
1511 | glyph->padding_p = i > 0; | |
a168702a GM |
1512 | glyph->charpos = CHARPOS (it->position); |
1513 | glyph->object = it->object; | |
5e65aec0 EZ |
1514 | if (it->bidi_p) |
1515 | { | |
1516 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1517 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1518 | abort (); | |
5e65aec0 EZ |
1519 | glyph->bidi_type = it->bidi_it.type; |
1520 | } | |
9443b3c7 EZ |
1521 | else |
1522 | { | |
1523 | glyph->resolved_level = 0; | |
1524 | glyph->bidi_type = UNKNOWN_BT; | |
1525 | } | |
177c0ea7 | 1526 | |
a168702a GM |
1527 | ++it->glyph_row->used[it->area]; |
1528 | ++glyph; | |
1529 | } | |
1530 | } | |
1531 | ||
b50fe468 RS |
1532 | /* Produce glyphs for the display element described by IT. *IT |
1533 | specifies what we want to produce a glyph for (character, image, ...), | |
1534 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1535 | produce_glyphs fills in output fields of *IT with information such as the | |
1536 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1537 | the same time if IT->glyph_row is non-null. For an overview, see |
1538 | the explanation in dispextern.h, before the definition of the | |
1539 | display_element_type enumeration. | |
b50fe468 RS |
1540 | |
1541 | produce_glyphs also stores the result of glyph width, ascent | |
1542 | etc. computations in *IT. | |
1543 | ||
1544 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1545 | actually fill in the glyphs. This is used in the move_* functions | |
1546 | in xdisp.c for text width and height computations. | |
1547 | ||
1548 | Callers usually don't call produce_glyphs directly; | |
1549 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1550 | |
177c0ea7 | 1551 | void |
d3da34e0 | 1552 | produce_glyphs (struct it *it) |
a168702a GM |
1553 | { |
1554 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1555 | |
1556 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1557 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1558 | || it->what == IT_COMPOSITION |
a168702a | 1559 | || it->what == IT_STRETCH); |
177c0ea7 | 1560 | |
6b61353c KH |
1561 | if (it->what == IT_STRETCH) |
1562 | { | |
1563 | produce_stretch_glyph (it); | |
1564 | goto done; | |
1565 | } | |
1566 | ||
4c12d738 KH |
1567 | if (it->what == IT_COMPOSITION) |
1568 | { | |
1569 | produce_composite_glyph (it); | |
1570 | goto done; | |
1571 | } | |
a168702a | 1572 | |
b18fad6d KH |
1573 | if (it->what == IT_GLYPHLESS) |
1574 | { | |
1575 | produce_glyphless_glyph (it, 0, Qnil); | |
1576 | goto done; | |
1577 | } | |
1578 | ||
d419e1d9 | 1579 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1580 | { |
1581 | it->pixel_width = it->nglyphs = 1; | |
1582 | if (it->glyph_row) | |
1583 | append_glyph (it); | |
1584 | } | |
d419e1d9 | 1585 | else if (it->char_to_display == '\n') |
a168702a | 1586 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1587 | else if (it->char_to_display == '\t') |
a168702a | 1588 | { |
2efdbcdd | 1589 | int absolute_x = (it->current_x |
a168702a | 1590 | + it->continuation_lines_width); |
177c0ea7 JB |
1591 | int next_tab_x |
1592 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1593 | / it->tab_width) |
1594 | * it->tab_width); | |
1595 | int nspaces; | |
1596 | ||
1597 | /* If part of the TAB has been displayed on the previous line | |
1598 | which is continued now, continuation_lines_width will have | |
1599 | been incremented already by the part that fitted on the | |
1600 | continued line. So, we will get the right number of spaces | |
1601 | here. */ | |
1602 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1603 | |
a168702a GM |
1604 | if (it->glyph_row) |
1605 | { | |
1606 | int n = nspaces; | |
177c0ea7 | 1607 | |
d2b4c17d | 1608 | it->char_to_display = ' '; |
a168702a | 1609 | it->pixel_width = it->len = 1; |
177c0ea7 | 1610 | |
a168702a GM |
1611 | while (n--) |
1612 | append_glyph (it); | |
a168702a GM |
1613 | } |
1614 | ||
1615 | it->pixel_width = nspaces; | |
1616 | it->nglyphs = nspaces; | |
1617 | } | |
d419e1d9 | 1618 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1619 | { |
d419e1d9 KH |
1620 | /* Coming here means that we must send the raw 8-bit byte as is |
1621 | to the terminal. Although there's no way to know how many | |
1622 | columns it occupies on a screen, it is a good assumption that | |
1623 | a single byte code has 1-column width. */ | |
1624 | it->pixel_width = it->nglyphs = 1; | |
1625 | if (it->glyph_row) | |
1626 | append_glyph (it); | |
add44890 | 1627 | } |
a168702a GM |
1628 | else |
1629 | { | |
b18fad6d | 1630 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1631 | |
b18fad6d KH |
1632 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1633 | { | |
1634 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1635 | it->nglyphs = it->pixel_width; | |
1636 | if (it->glyph_row) | |
1637 | append_glyph (it); | |
1638 | } | |
1639 | else | |
1640 | { | |
1641 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1642 | ||
1643 | xassert (it->what == IT_GLYPHLESS); | |
1644 | produce_glyphless_glyph (it, 1, acronym); | |
1645 | } | |
a168702a GM |
1646 | } |
1647 | ||
6b61353c | 1648 | done: |
177c0ea7 | 1649 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1650 | the caller. */ |
1651 | if (it->area == TEXT_AREA) | |
1652 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1653 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1654 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1655 | } |
1656 | ||
1657 | ||
6b61353c KH |
1658 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1659 | of the glyph property displayed. The value must be a list | |
1660 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1661 | being recognized: | |
1662 | ||
1663 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1664 | canonical char width wide. WIDTH may be an integer or floating | |
1665 | point number. | |
1666 | ||
1667 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1668 | to reach HPOS, a value in canonical character units. */ | |
1669 | ||
1670 | static void | |
d3da34e0 | 1671 | produce_stretch_glyph (struct it *it) |
6b61353c KH |
1672 | { |
1673 | /* (space :width WIDTH ...) */ | |
1674 | Lisp_Object prop, plist; | |
1675 | int width = 0, align_to = -1; | |
1676 | int zero_width_ok_p = 0; | |
1677 | double tem; | |
1678 | ||
1679 | /* List should start with `space'. */ | |
1680 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1681 | plist = XCDR (it->object); | |
1682 | ||
1683 | /* Compute the width of the stretch. */ | |
1684 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1685 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1686 | { | |
1687 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1688 | zero_width_ok_p = 1; | |
1689 | width = (int)(tem + 0.5); | |
1690 | } | |
1691 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1692 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1693 | { | |
1694 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1695 | align_to = (align_to < 0 |
6b61353c KH |
1696 | ? 0 |
1697 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1698 | else if (align_to < 0) | |
1699 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1700 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1701 | zero_width_ok_p = 1; | |
1702 | } | |
1703 | else | |
1704 | /* Nothing specified -> width defaults to canonical char width. */ | |
1705 | width = FRAME_COLUMN_WIDTH (it->f); | |
1706 | ||
1707 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1708 | width = 1; | |
1709 | ||
d5221487 CY |
1710 | if (width > 0 && it->line_wrap != TRUNCATE |
1711 | && it->current_x + width > it->last_visible_x) | |
1712 | width = it->last_visible_x - it->current_x - 1; | |
1713 | ||
6b61353c KH |
1714 | if (width > 0 && it->glyph_row) |
1715 | { | |
1716 | Lisp_Object o_object = it->object; | |
1717 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1718 | int n = width; | |
6b61353c KH |
1719 | |
1720 | if (!STRINGP (object)) | |
1721 | object = it->w->buffer; | |
1722 | it->object = object; | |
d2b4c17d | 1723 | it->char_to_display = ' '; |
6b61353c KH |
1724 | it->pixel_width = it->len = 1; |
1725 | while (n--) | |
1726 | append_glyph (it); | |
1727 | it->object = o_object; | |
6b61353c KH |
1728 | } |
1729 | it->pixel_width = width; | |
1730 | it->nglyphs = width; | |
1731 | } | |
1732 | ||
1733 | ||
4c12d738 KH |
1734 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1735 | Called from produce_composite_glyph for terminal frames if | |
1736 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1737 | face. */ | |
1738 | ||
1739 | static void | |
d3da34e0 | 1740 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1741 | { |
1742 | struct glyph *glyph; | |
1743 | ||
1744 | xassert (it->glyph_row); | |
1745 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1746 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1747 | { | |
93d68d0c EZ |
1748 | /* If the glyph row is reversed, we need to prepend the glyph |
1749 | rather than append it. */ | |
1750 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1751 | { | |
1752 | struct glyph *g; | |
1753 | ||
1754 | /* Make room for the new glyph. */ | |
1755 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1756 | g[1] = *g; | |
1757 | glyph = it->glyph_row->glyphs[it->area]; | |
1758 | } | |
4c12d738 KH |
1759 | glyph->type = COMPOSITE_GLYPH; |
1760 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1761 | glyph->u.cmp.id = it->cmp_it.id; |
1762 | if (it->cmp_it.ch < 0) | |
1763 | { | |
1764 | glyph->u.cmp.automatic = 0; | |
1765 | glyph->u.cmp.id = it->cmp_it.id; | |
1766 | } | |
1767 | else | |
1768 | { | |
1769 | glyph->u.cmp.automatic = 1; | |
1770 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1771 | glyph->slice.cmp.from = it->cmp_it.from; |
1772 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1773 | } |
1774 | ||
4c12d738 KH |
1775 | glyph->face_id = it->face_id; |
1776 | glyph->padding_p = 0; | |
1777 | glyph->charpos = CHARPOS (it->position); | |
1778 | glyph->object = it->object; | |
93d68d0c EZ |
1779 | if (it->bidi_p) |
1780 | { | |
1781 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1782 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1783 | abort (); | |
1784 | glyph->bidi_type = it->bidi_it.type; | |
1785 | } | |
1786 | else | |
1787 | { | |
1788 | glyph->resolved_level = 0; | |
1789 | glyph->bidi_type = UNKNOWN_BT; | |
1790 | } | |
4c12d738 KH |
1791 | |
1792 | ++it->glyph_row->used[it->area]; | |
1793 | ++glyph; | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | ||
1798 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1799 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1800 | assuming that the terminal has a capability to layout/render it |
1801 | correctly. */ | |
4c12d738 KH |
1802 | |
1803 | static void | |
d3da34e0 | 1804 | produce_composite_glyph (struct it *it) |
4c12d738 | 1805 | { |
75a10786 KH |
1806 | if (it->cmp_it.ch < 0) |
1807 | { | |
1808 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1809 | ||
d0984aff | 1810 | it->pixel_width = cmp->width; |
75a10786 KH |
1811 | } |
1812 | else | |
1813 | { | |
1814 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1815 | |
75a10786 KH |
1816 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1817 | it->cmp_it.to, NULL); | |
1818 | } | |
1819 | it->nglyphs = 1; | |
4c12d738 KH |
1820 | if (it->glyph_row) |
1821 | append_composite_glyph (it); | |
1822 | } | |
1823 | ||
1824 | ||
b18fad6d | 1825 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1826 | is a face ID to be used for the glyph. What is actually appended |
1827 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1828 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1829 | |
1830 | static void | |
1831 | append_glyphless_glyph (struct it *it, int face_id, char *str) | |
1832 | { | |
1833 | struct glyph *glyph, *end; | |
b18fad6d KH |
1834 | int i; |
1835 | ||
1836 | xassert (it->glyph_row); | |
1837 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1838 | end = it->glyph_row->glyphs[1 + it->area]; | |
1839 | ||
1840 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1841 | than append it. */ | |
1842 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1843 | { | |
1844 | struct glyph *g; | |
1845 | int move_by = it->pixel_width; | |
1846 | ||
1847 | /* Make room for the new glyphs. */ | |
1848 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1849 | move_by = end - glyph; | |
1850 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1851 | g[move_by] = *g; | |
1852 | glyph = it->glyph_row->glyphs[it->area]; | |
1853 | end = glyph + move_by; | |
1854 | } | |
1855 | ||
1856 | if (glyph >= end) | |
1857 | return; | |
1858 | glyph->type = CHAR_GLYPH; | |
1859 | glyph->pixel_width = 1; | |
1860 | glyph->face_id = face_id; | |
1861 | glyph->padding_p = 0; | |
1862 | glyph->charpos = CHARPOS (it->position); | |
1863 | glyph->object = it->object; | |
1864 | if (it->bidi_p) | |
1865 | { | |
1866 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1867 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1868 | abort (); | |
1869 | glyph->bidi_type = it->bidi_it.type; | |
1870 | } | |
1871 | else | |
1872 | { | |
1873 | glyph->resolved_level = 0; | |
1874 | glyph->bidi_type = UNKNOWN_BT; | |
1875 | } | |
1876 | ||
1877 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1878 | the REVERSED_P case because we write to the terminal | |
1879 | left-to-right. */ | |
1880 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1881 | { | |
1882 | if (i > 0) | |
1883 | glyph[0] = glyph[-1]; | |
1884 | glyph->u.ch = str[i]; | |
1885 | ++it->glyph_row->used[it->area]; | |
1886 | ++glyph; | |
1887 | } | |
1888 | } | |
1889 | ||
b18fad6d KH |
1890 | /* Produce glyphs for a glyphless character for iterator IT. |
1891 | IT->glyphless_method specifies which method to use for displaying | |
1892 | the character. See the description of enum | |
0eb025fb | 1893 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1894 | |
1895 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
1896 | is not supproted by the coding system of the terminal. ACRONYM, if | |
1897 | non-nil, is an acronym string for the character. | |
1898 | ||
1899 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1900 | ||
1901 | static void | |
1902 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1903 | { | |
1904 | int face_id; | |
0eb025fb | 1905 | int len; |
7c2d713b | 1906 | char buf[9], *str = " "; |
b18fad6d KH |
1907 | |
1908 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1909 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1910 | if (it->f == last_glyphless_glyph_frame |
1911 | && it->face_id == last_glyphless_glyph_face_id) | |
1912 | { | |
1913 | face_id = last_glyphless_glyph_merged_face_id; | |
1914 | } | |
1915 | else | |
1916 | { | |
1917 | /* Merge the `glyphless-char' face into the current face. */ | |
1918 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1919 | last_glyphless_glyph_frame = it->f; | |
1920 | last_glyphless_glyph_face_id = it->face_id; | |
1921 | last_glyphless_glyph_merged_face_id = face_id; | |
1922 | } | |
1923 | ||
1924 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1925 | { | |
0eb025fb EZ |
1926 | /* As there's no way to produce a thin space, we produce a space |
1927 | of canonical width. */ | |
b18fad6d KH |
1928 | len = 1; |
1929 | } | |
1930 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1931 | { | |
1932 | len = CHAR_WIDTH (it->c); | |
1933 | if (len == 0) | |
1934 | len = 1; | |
0eb025fb | 1935 | else if (len > 4) |
b18fad6d | 1936 | len = 4; |
0eb025fb EZ |
1937 | sprintf (buf, "[%.*s]", len, str); |
1938 | len += 2; | |
1939 | str = buf; | |
b18fad6d KH |
1940 | } |
1941 | else | |
1942 | { | |
1943 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1944 | { | |
b18fad6d KH |
1945 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1946 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
1947 | buf[0] = '['; | |
51b59d79 | 1948 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1949 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1950 | buf[1 + len] = str[len]; | |
1951 | buf[1 + len] = ']'; | |
1952 | len += 2; | |
1953 | } | |
1954 | else | |
1955 | { | |
0eb025fb | 1956 | xassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1957 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1958 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1959 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1960 | } |
1961 | str = buf; | |
1962 | } | |
1963 | ||
1964 | it->pixel_width = len; | |
1965 | it->nglyphs = len; | |
1966 | if (len > 0 && it->glyph_row) | |
1967 | append_glyphless_glyph (it, face_id, str); | |
1968 | } | |
1969 | ||
1970 | ||
a168702a GM |
1971 | /* Get information about special display element WHAT in an |
1972 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1973 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1974 | non-null glyph_row member. This function ensures that fields like | |
1975 | face_id, c, len of IT are left untouched. */ | |
1976 | ||
1977 | void | |
d3da34e0 | 1978 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
1979 | { |
1980 | struct it temp_it; | |
f4d953fc | 1981 | Lisp_Object gc; |
072d84a6 | 1982 | GLYPH glyph; |
177c0ea7 | 1983 | |
a168702a GM |
1984 | temp_it = *it; |
1985 | temp_it.dp = NULL; | |
1986 | temp_it.what = IT_CHARACTER; | |
1987 | temp_it.len = 1; | |
7c752c80 | 1988 | temp_it.object = make_number (0); |
72af86bd | 1989 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
1990 | |
1991 | if (what == IT_CONTINUATION) | |
1992 | { | |
26cdf528 EZ |
1993 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
1994 | if (it->bidi_it.paragraph_dir == R2L) | |
1995 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
1996 | else | |
1997 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 1998 | if (it->dp |
f4d953fc KS |
1999 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2000 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2001 | { |
26cdf528 | 2002 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2003 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2004 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2005 | } |
a168702a GM |
2006 | } |
2007 | else if (what == IT_TRUNCATION) | |
2008 | { | |
2009 | /* Truncation glyph. */ | |
f4d953fc | 2010 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 2011 | if (it->dp |
f4d953fc KS |
2012 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2013 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2014 | { |
26cdf528 | 2015 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2016 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2017 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2018 | } |
a168702a GM |
2019 | } |
2020 | else | |
2021 | abort (); | |
072d84a6 | 2022 | |
d419e1d9 | 2023 | temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph); |
f4d953fc | 2024 | temp_it.face_id = GLYPH_FACE (glyph); |
072d84a6 RS |
2025 | temp_it.len = CHAR_BYTES (temp_it.c); |
2026 | ||
2027 | produce_glyphs (&temp_it); | |
2028 | it->pixel_width = temp_it.pixel_width; | |
2029 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
2030 | } |
2031 | ||
2032 | ||
a168702a GM |
2033 | \f |
2034 | /*********************************************************************** | |
2035 | Faces | |
2036 | ***********************************************************************/ | |
2037 | ||
4e6ba4a4 GM |
2038 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2039 | one of the enumerators from enum no_color_bit, or a bit set built | |
2040 | from them. Some display attributes may not be used together with | |
2041 | color; the termcap capability `NC' specifies which ones. */ | |
2042 | ||
fca177d4 KL |
2043 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
2044 | (tty->TN_max_colors > 0 \ | |
2045 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
2046 | : 1) | |
a168702a | 2047 | |
072d84a6 RS |
2048 | /* Turn appearances of face FACE_ID on tty frame F on. |
2049 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
2050 | |
2051 | static void | |
d3da34e0 | 2052 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
2053 | { |
2054 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2055 | long fg = face->foreground; |
2056 | long bg = face->background; | |
28d7d09f | 2057 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2058 | |
86a7d192 GM |
2059 | /* Do this first because TS_end_standout_mode may be the same |
2060 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 2061 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 2062 | { |
fca177d4 | 2063 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
2064 | { |
2065 | if (fg >= 0 && bg >= 0) | |
2066 | { | |
2067 | /* If the terminal supports colors, we can set them | |
2068 | below without using reverse video. The face's fg | |
2069 | and bg colors are set as they should appear on | |
2070 | the screen, i.e. they take the inverse-video'ness | |
2071 | of the face already into account. */ | |
2072 | } | |
2073 | else if (inverse_video) | |
2074 | { | |
2075 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2076 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2077 | tty_toggle_highlight (tty); |
86a7d192 GM |
2078 | } |
2079 | else | |
2080 | { | |
2081 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2082 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2083 | tty_toggle_highlight (tty); |
86a7d192 GM |
2084 | } |
2085 | } | |
2086 | else | |
2087 | { | |
2088 | /* If we can't display colors, use reverse video | |
2089 | if the face specifies that. */ | |
37526b42 GM |
2090 | if (inverse_video) |
2091 | { | |
2092 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2093 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2094 | tty_toggle_highlight (tty); |
37526b42 GM |
2095 | } |
2096 | else | |
2097 | { | |
2098 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2099 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2100 | tty_toggle_highlight (tty); |
37526b42 | 2101 | } |
86a7d192 GM |
2102 | } |
2103 | } | |
a168702a | 2104 | |
4189ed40 CY |
2105 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2106 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2107 | ||
2108 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
2109 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
2110 | |
2111 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 2112 | if (face->tty_alt_charset_p |
fca177d4 KL |
2113 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
2114 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 2115 | |
4e6ba4a4 | 2116 | if (face->tty_blinking_p |
fca177d4 KL |
2117 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
2118 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 2119 | |
fca177d4 KL |
2120 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2121 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2122 | |
fca177d4 | 2123 | if (tty->TN_max_colors > 0) |
a168702a | 2124 | { |
753d161b | 2125 | char *ts, *p; |
177c0ea7 | 2126 | |
fbf34973 | 2127 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2128 | if (fg >= 0 && ts) |
a168702a | 2129 | { |
fbf34973 | 2130 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 2131 | OUTPUT (tty, p); |
a168702a GM |
2132 | xfree (p); |
2133 | } | |
2134 | ||
fbf34973 | 2135 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2136 | if (bg >= 0 && ts) |
a168702a | 2137 | { |
fbf34973 | 2138 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2139 | OUTPUT (tty, p); |
a168702a GM |
2140 | xfree (p); |
2141 | } | |
2142 | } | |
2143 | } | |
177c0ea7 | 2144 | |
a168702a GM |
2145 | |
2146 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2147 | ||
2148 | static void | |
d3da34e0 | 2149 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2150 | { |
2151 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2152 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2153 | |
2154 | xassert (face != NULL); | |
2155 | ||
fca177d4 | 2156 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2157 | { |
2158 | /* Capability "me" will turn off appearance modes double-bright, | |
2159 | half-bright, reverse-video, standout, underline. It may or | |
2160 | may not turn off alt-char-mode. */ | |
2161 | if (face->tty_bold_p | |
2162 | || face->tty_dim_p | |
2163 | || face->tty_reverse_p | |
2164 | || face->tty_alt_charset_p | |
2165 | || face->tty_blinking_p | |
2166 | || face->tty_underline_p) | |
65aa5e85 | 2167 | { |
fca177d4 KL |
2168 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2169 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2170 | tty->standout_mode = 0; | |
65aa5e85 | 2171 | } |
a168702a GM |
2172 | |
2173 | if (face->tty_alt_charset_p) | |
fca177d4 | 2174 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2175 | } |
2176 | else | |
2177 | { | |
2178 | /* If we don't have "me" we can only have those appearances | |
2179 | that have exit sequences defined. */ | |
2180 | if (face->tty_alt_charset_p) | |
fca177d4 | 2181 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2182 | |
54800acb | 2183 | if (face->tty_underline_p) |
fca177d4 | 2184 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2185 | } |
2186 | ||
2187 | /* Switch back to default colors. */ | |
fca177d4 | 2188 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2189 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2190 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2191 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2192 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2193 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2194 | } |
177c0ea7 JB |
2195 | |
2196 | ||
b63a55ac MB |
2197 | /* Return non-zero if the terminal on frame F supports all of the |
2198 | capabilities in CAPS simultaneously, with foreground and background | |
2199 | colors FG and BG. */ | |
2200 | ||
4a8130f2 | 2201 | int |
d3da34e0 JB |
2202 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2203 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2204 | { |
fca177d4 KL |
2205 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2206 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2207 | return 0; |
2208 | ||
fca177d4 KL |
2209 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2210 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2211 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2212 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2213 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2214 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2215 | |
2216 | /* We can do it! */ | |
2217 | return 1; | |
2218 | } | |
2219 | ||
a168702a GM |
2220 | /* Return non-zero if the terminal is capable to display colors. */ |
2221 | ||
2222 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2223 | 0, 1, 0, |
6ed8eeff KL |
2224 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2225 | ||
401e9e57 CY |
2226 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2227 | selected frame's terminal). This function always returns nil if | |
2228 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2229 | (Lisp_Object terminal) |
a168702a | 2230 | { |
717a00ef | 2231 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2232 | if (!t) |
428a555e | 2233 | return Qnil; |
3224dac1 | 2234 | else |
6ed8eeff | 2235 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2236 | } |
2237 | ||
bfa62f96 EZ |
2238 | /* Return the number of supported colors. */ |
2239 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2240 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2241 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2242 | ||
401e9e57 CY |
2243 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2244 | selected frame's terminal). This function always returns 0 if | |
2245 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2246 | (Lisp_Object terminal) |
bfa62f96 | 2247 | { |
717a00ef | 2248 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2249 | if (!t) |
8c8d5f35 | 2250 | return make_number (0); |
3224dac1 | 2251 | else |
6ed8eeff | 2252 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2253 | } |
2254 | ||
84704c5c | 2255 | #ifndef DOS_NT |
a168702a | 2256 | |
5205ee62 GM |
2257 | /* Declare here rather than in the function, as in the rest of Emacs, |
2258 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2259 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2260 | static int default_max_colors; |
2261 | static int default_max_pairs; | |
2262 | static int default_no_color_video; | |
2263 | static char *default_orig_pair; | |
2264 | static char *default_set_foreground; | |
2265 | static char *default_set_background; | |
fcf8ff2e | 2266 | |
ace28297 EZ |
2267 | /* Save or restore the default color-related capabilities of this |
2268 | terminal. */ | |
2269 | static void | |
28d7d09f | 2270 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2271 | { |
ace28297 EZ |
2272 | |
2273 | if (save) | |
2274 | { | |
70fdbb46 | 2275 | xfree (default_orig_pair); |
fca177d4 | 2276 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2277 | |
70fdbb46 | 2278 | xfree (default_set_foreground); |
fca177d4 | 2279 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2280 | : NULL; |
2281 | ||
70fdbb46 | 2282 | xfree (default_set_background); |
fca177d4 | 2283 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2284 | : NULL; |
2285 | ||
fca177d4 KL |
2286 | default_max_colors = tty->TN_max_colors; |
2287 | default_max_pairs = tty->TN_max_pairs; | |
2288 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2289 | } |
2290 | else | |
2291 | { | |
fca177d4 KL |
2292 | tty->TS_orig_pair = default_orig_pair; |
2293 | tty->TS_set_foreground = default_set_foreground; | |
2294 | tty->TS_set_background = default_set_background; | |
2295 | tty->TN_max_colors = default_max_colors; | |
2296 | tty->TN_max_pairs = default_max_pairs; | |
2297 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2298 | } |
2299 | } | |
2300 | ||
2301 | /* Setup one of the standard tty color schemes according to MODE. | |
2302 | MODE's value is generally the number of colors which we want to | |
2303 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2304 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2305 | static void |
28d7d09f | 2306 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2307 | { |
6b61353c KH |
2308 | /* Canonicalize all negative values of MODE. */ |
2309 | if (mode < -1) | |
2310 | mode = -1; | |
2311 | ||
ace28297 EZ |
2312 | switch (mode) |
2313 | { | |
2314 | case -1: /* no colors at all */ | |
fca177d4 KL |
2315 | tty->TN_max_colors = 0; |
2316 | tty->TN_max_pairs = 0; | |
2317 | tty->TN_no_color_video = 0; | |
2318 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2319 | break; |
2320 | case 0: /* default colors, if any */ | |
2321 | default: | |
fca177d4 | 2322 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2323 | break; |
2324 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2325 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2326 | #ifdef TERMINFO |
fca177d4 KL |
2327 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2328 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2329 | #else |
fca177d4 KL |
2330 | tty->TS_set_foreground = "\033[3%dm"; |
2331 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2332 | #endif |
fca177d4 KL |
2333 | tty->TN_max_colors = 8; |
2334 | tty->TN_max_pairs = 64; | |
2335 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2336 | break; |
2337 | } | |
2338 | } | |
2339 | ||
2340 | void | |
d3da34e0 | 2341 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2342 | { |
ce5b453a | 2343 | Lisp_Object tem, val; |
9b2cd403 SM |
2344 | Lisp_Object color_mode; |
2345 | int mode; | |
9b2cd403 SM |
2346 | Lisp_Object tty_color_mode_alist |
2347 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2348 | |
c23b5410 | 2349 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2350 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2351 | |
6b61353c | 2352 | if (INTEGERP (val)) |
ace28297 | 2353 | color_mode = val; |
ce5b453a | 2354 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2355 | { |
ce5b453a | 2356 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2357 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2358 | } |
ce5b453a SM |
2359 | else |
2360 | color_mode = Qnil; | |
6b61353c | 2361 | |
9b2cd403 | 2362 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2363 | |
9b2cd403 | 2364 | if (mode != tty->previous_color_mode) |
ace28297 | 2365 | { |
9b2cd403 SM |
2366 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2367 | tty->previous_color_mode = mode; | |
2368 | tty_setup_colors (tty , mode); | |
2369 | /* This recomputes all the faces given the new color definitions. */ | |
2370 | safe_call (1, &funsym); | |
ace28297 EZ |
2371 | } |
2372 | } | |
2373 | ||
84704c5c | 2374 | #endif /* !DOS_NT */ |
a168702a GM |
2375 | |
2376 | \f | |
28d440ab | 2377 | |
6ed8eeff | 2378 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2379 | |
6ed8eeff | 2380 | struct terminal * |
717a00ef | 2381 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2382 | { |
717a00ef | 2383 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2384 | |
84704c5c | 2385 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2386 | { |
2387 | if (throw) | |
2388 | error ("Device %d is not a termcap terminal device", t->id); | |
2389 | else | |
2390 | return NULL; | |
2391 | } | |
b6660415 | 2392 | |
6ed8eeff | 2393 | return t; |
b6660415 KL |
2394 | } |
2395 | ||
ab797f65 KL |
2396 | /* Return an active termcap device that uses the tty device with the |
2397 | given name. | |
b6660415 | 2398 | |
7e59217d | 2399 | This function ignores suspended devices. |
da8e1115 KL |
2400 | |
2401 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2402 | |
6ed8eeff | 2403 | struct terminal * |
8ea90aa3 | 2404 | get_named_tty (const char *name) |
28d440ab | 2405 | { |
6ed8eeff KL |
2406 | struct terminal *t; |
2407 | ||
ab797f65 KL |
2408 | if (!name) |
2409 | abort (); | |
2410 | ||
2411 | for (t = terminal_list; t; t = t->next_terminal) | |
2412 | { | |
5cc67f65 | 2413 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2414 | && !strcmp (t->display_info.tty->name, name) |
2415 | && TERMINAL_ACTIVE_P (t)) | |
2416 | return t; | |
2417 | } | |
28d440ab KL |
2418 | |
2419 | return 0; | |
2420 | } | |
2421 | ||
2422 | \f | |
6ed8eeff KL |
2423 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2424 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2425 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2426 | |
401e9e57 CY |
2427 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2428 | selected frame's terminal). */) | |
5842a27b | 2429 | (Lisp_Object terminal) |
b6660415 | 2430 | { |
6ed8eeff | 2431 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2432 | |
84704c5c | 2433 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2434 | return Qnil; |
2435 | ||
6ed8eeff KL |
2436 | if (t->display_info.tty->type) |
2437 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2438 | else |
2439 | return Qnil; | |
2440 | } | |
2441 | ||
6ed8eeff | 2442 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2443 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2444 | |
401e9e57 CY |
2445 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2446 | selected frame's terminal). This function always returns nil if | |
2447 | TERMINAL is not on a tty device. */) | |
5842a27b | 2448 | (Lisp_Object terminal) |
4a933ef8 | 2449 | { |
6ed8eeff | 2450 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2451 | |
84704c5c EZ |
2452 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2453 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2454 | return Qnil; |
2455 | else | |
2456 | return Qt; | |
2457 | } | |
2458 | ||
a3fbb897 | 2459 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2460 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2461 | This is used to override the terminfo data, for certain terminals that |
2462 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2463 | no effect if used on a non-tty terminal. |
a3fbb897 | 2464 | |
401e9e57 CY |
2465 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2466 | selected frame's terminal). This function always returns nil if | |
2467 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2468 | (Lisp_Object terminal) |
a3fbb897 | 2469 | { |
6ed8eeff | 2470 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2471 | |
6ed8eeff KL |
2472 | if (t->type == output_termcap) |
2473 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2474 | return Qnil; |
2475 | } | |
2476 | ||
ed8dad6b KL |
2477 | \f |
2478 | ||
2479 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2480 | doc: /* Suspend the terminal device TTY. | |
2481 | ||
2482 | The device is restored to its default state, and Emacs ceases all | |
2483 | access to the tty device. Frames that use the device are not deleted, | |
2484 | but input is not read from them and if they change, their display is | |
2485 | not updated. | |
2486 | ||
401e9e57 CY |
2487 | TTY may be a terminal object, a frame, or nil for the terminal device |
2488 | of the currently selected frame. | |
ed8dad6b | 2489 | |
e4019195 | 2490 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2491 | device. The functions are run with one arg, the id of the suspended |
2492 | terminal device. | |
2493 | ||
2494 | `suspend-tty' does nothing if it is called on a device that is already | |
2495 | suspended. | |
2496 | ||
2497 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2498 | (Lisp_Object tty) |
ed8dad6b | 2499 | { |
717a00ef | 2500 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2501 | FILE *f; |
f4d953fc | 2502 | |
6ed8eeff | 2503 | if (!t) |
ed8dad6b KL |
2504 | error ("Unknown tty device"); |
2505 | ||
6ed8eeff | 2506 | f = t->display_info.tty->input; |
f4d953fc | 2507 | |
ed8dad6b KL |
2508 | if (f) |
2509 | { | |
23d4cba5 DN |
2510 | /* First run `suspend-tty-functions' and then clean up the tty |
2511 | state because `suspend-tty-functions' might need to change | |
2512 | the tty state. */ | |
2513 | if (!NILP (Vrun_hooks)) | |
2514 | { | |
2515 | Lisp_Object args[2]; | |
2516 | args[0] = intern ("suspend-tty-functions"); | |
2517 | XSETTERMINAL (args[1], t); | |
2518 | Frun_hook_with_args (2, args); | |
2519 | } | |
2520 | ||
6ed8eeff | 2521 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2522 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2523 | |
84704c5c | 2524 | #ifndef MSDOS |
ed8dad6b | 2525 | fclose (f); |
6ed8eeff KL |
2526 | if (f != t->display_info.tty->output) |
2527 | fclose (t->display_info.tty->output); | |
84704c5c | 2528 | #endif |
f4d953fc | 2529 | |
6ed8eeff KL |
2530 | t->display_info.tty->input = 0; |
2531 | t->display_info.tty->output = 0; | |
ed8dad6b | 2532 | |
6ed8eeff KL |
2533 | if (FRAMEP (t->display_info.tty->top_frame)) |
2534 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2535 | |
ed8dad6b KL |
2536 | } |
2537 | ||
4a665758 KL |
2538 | /* Clear display hooks to prevent further output. */ |
2539 | clear_tty_hooks (t); | |
2540 | ||
ed8dad6b KL |
2541 | return Qnil; |
2542 | } | |
2543 | ||
2544 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2545 | doc: /* Resume the previously suspended terminal device TTY. | |
2546 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2547 | suspended terminal are revived. |
ed8dad6b | 2548 | |
6ed8eeff KL |
2549 | It is an error to resume a terminal while another terminal is active |
2550 | on the same device. | |
ed8dad6b | 2551 | |
e4019195 | 2552 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2553 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2554 | device. |
2555 | ||
2556 | `resume-tty' does nothing if it is called on a device that is not | |
2557 | suspended. | |
2558 | ||
401e9e57 CY |
2559 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2560 | frame's terminal). */) | |
5842a27b | 2561 | (Lisp_Object tty) |
ed8dad6b | 2562 | { |
717a00ef | 2563 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2564 | int fd; |
2565 | ||
6ed8eeff | 2566 | if (!t) |
ed8dad6b KL |
2567 | error ("Unknown tty device"); |
2568 | ||
6ed8eeff | 2569 | if (!t->display_info.tty->input) |
ed8dad6b | 2570 | { |
6ed8eeff | 2571 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2572 | error ("Cannot resume display while another display is active on the same device"); |
2573 | ||
84704c5c EZ |
2574 | #ifdef MSDOS |
2575 | t->display_info.tty->output = stdout; | |
2576 | t->display_info.tty->input = stdin; | |
2577 | #else /* !MSDOS */ | |
6ed8eeff | 2578 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2579 | |
59b3194c KL |
2580 | if (fd == -1) |
2581 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2582 | |
78048085 | 2583 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2584 | dissociate_if_controlling_tty (fd); |
78048085 | 2585 | |
6ed8eeff KL |
2586 | t->display_info.tty->output = fdopen (fd, "w+"); |
2587 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2588 | #endif |
78048085 | 2589 | |
ed8dad6b KL |
2590 | add_keyboard_wait_descriptor (fd); |
2591 | ||
6ed8eeff | 2592 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2593 | { |
2594 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2595 | int width, height; | |
2596 | int old_height = FRAME_COLS (f); | |
2597 | int old_width = FRAME_LINES (f); | |
2598 | ||
2599 | /* Check if terminal/window size has changed while the frame | |
2600 | was suspended. */ | |
2601 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2602 | if (width != old_width || height != old_height) | |
2603 | change_frame_size (f, height, width, 0, 0, 0); | |
2604 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2605 | } | |
ed8dad6b | 2606 | |
6ed8eeff | 2607 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2608 | |
e4019195 | 2609 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2610 | if (!NILP (Vrun_hooks)) |
2611 | { | |
2612 | Lisp_Object args[2]; | |
e4019195 | 2613 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2614 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2615 | Frun_hook_with_args (2, args); |
2616 | } | |
2617 | } | |
2618 | ||
4a665758 KL |
2619 | set_tty_hooks (t); |
2620 | ||
ed8dad6b KL |
2621 | return Qnil; |
2622 | } | |
a3fbb897 | 2623 | |
819b8f00 | 2624 | \f |
e882229c NR |
2625 | /*********************************************************************** |
2626 | Mouse | |
2627 | ***********************************************************************/ | |
2628 | ||
7e5a23bd | 2629 | #ifdef HAVE_GPM |
5faa03ba RS |
2630 | void |
2631 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2632 | { |
1ec5dc77 | 2633 | /* TODO: how to set mouse position? |
94da14a0 NR |
2634 | const char *name; |
2635 | int fd; | |
2636 | name = (const char *) ttyname (0); | |
2637 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2638 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2639 | close (fd); |
2640 | last_mouse_x = x; | |
80fb2ce0 | 2641 | last_mouse_y = y; */ |
94da14a0 NR |
2642 | } |
2643 | ||
cf482c50 EZ |
2644 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2645 | void | |
2646 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2647 | int start_hpos, int end_hpos, | |
2648 | enum draw_glyphs_face draw) | |
e882229c | 2649 | { |
cf482c50 EZ |
2650 | int nglyphs = end_hpos - start_hpos; |
2651 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2652 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2653 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2654 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2655 | |
cf482c50 EZ |
2656 | if (end_hpos >= row->used[TEXT_AREA]) |
2657 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2658 | |
cf482c50 EZ |
2659 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2660 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2661 | |
cf482c50 EZ |
2662 | /* Save current cursor co-ordinates. */ |
2663 | save_y = curY (tty); | |
2664 | save_x = curX (tty); | |
2665 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2666 | |
cf482c50 EZ |
2667 | if (draw == DRAW_MOUSE_FACE) |
2668 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2669 | nglyphs, face_id); | |
2670 | else if (draw == DRAW_NORMAL_TEXT) | |
2671 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2672 | |
cf482c50 | 2673 | cursor_to (f, save_y, save_x); |
e882229c NR |
2674 | } |
2675 | ||
2676 | static int | |
2677 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2678 | { | |
2679 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2680 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2681 | { | |
2682 | frame->mouse_moved = 1; | |
cf482c50 | 2683 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2684 | /* Remember which glyph we're now on. */ |
2685 | last_mouse_x = event->x; | |
2686 | last_mouse_y = event->y; | |
2687 | return 1; | |
2688 | } | |
2689 | return 0; | |
2690 | } | |
2691 | ||
2692 | /* Return the current position of the mouse. | |
2693 | ||
2694 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2695 | Emacs frame. If it is set to zero, all the other arguments are | |
2696 | garbage. | |
2697 | ||
2698 | Set *bar_window to Qnil, and *x and *y to the column and | |
2699 | row of the character cell the mouse is over. | |
2700 | ||
2701 | Set *time to the time the mouse was at the returned position. | |
2702 | ||
80fb2ce0 | 2703 | This clears mouse_moved until the next motion |
94da14a0 | 2704 | event arrives. */ |
e882229c NR |
2705 | static void |
2706 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2707 | enum scroll_bar_part *part, Lisp_Object *x, | |
2708 | Lisp_Object *y, unsigned long *time) | |
2709 | { | |
e882229c | 2710 | struct timeval now; |
e882229c NR |
2711 | |
2712 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2713 | (*fp)->mouse_moved = 0; |
e882229c NR |
2714 | |
2715 | *bar_window = Qnil; | |
2716 | *part = 0; | |
2717 | ||
80fb2ce0 | 2718 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2719 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2720 | gettimeofday(&now, 0); |
2721 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2722 | } |
2723 | ||
2724 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2725 | ||
2726 | If the event is a button press, then note that we have grabbed | |
2727 | the mouse. */ | |
2728 | ||
2729 | static Lisp_Object | |
2730 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2731 | struct frame *f) | |
2732 | { | |
2733 | struct timeval now; | |
2734 | int i, j; | |
2735 | ||
2736 | result->kind = GPM_CLICK_EVENT; | |
2737 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2738 | { | |
2739 | if (event->buttons & j) { | |
2740 | result->code = i; /* button number */ | |
2741 | break; | |
2742 | } | |
2743 | } | |
2744 | gettimeofday(&now, 0); | |
2745 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2746 | ||
2747 | if (event->type & GPM_UP) | |
2748 | result->modifiers = up_modifier; | |
2749 | else if (event->type & GPM_DOWN) | |
2750 | result->modifiers = down_modifier; | |
2751 | else | |
2752 | result->modifiers = 0; | |
f4d953fc | 2753 | |
e882229c NR |
2754 | if (event->type & GPM_SINGLE) |
2755 | result->modifiers |= click_modifier; | |
f4d953fc | 2756 | |
e882229c NR |
2757 | if (event->type & GPM_DOUBLE) |
2758 | result->modifiers |= double_modifier; | |
2759 | ||
2760 | if (event->type & GPM_TRIPLE) | |
2761 | result->modifiers |= triple_modifier; | |
2762 | ||
2763 | if (event->type & GPM_DRAG) | |
2764 | result->modifiers |= drag_modifier; | |
2765 | ||
80fb2ce0 | 2766 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2767 | |
2768 | /* 1 << KG_SHIFT */ | |
2769 | if (event->modifiers & (1 << 0)) | |
2770 | result->modifiers |= shift_modifier; | |
2771 | ||
2772 | /* 1 << KG_CTRL */ | |
2773 | if (event->modifiers & (1 << 2)) | |
2774 | result->modifiers |= ctrl_modifier; | |
2775 | ||
2776 | /* 1 << KG_ALT || KG_ALTGR */ | |
2777 | if (event->modifiers & (1 << 3) | |
2778 | || event->modifiers & (1 << 1)) | |
2779 | result->modifiers |= meta_modifier; | |
2780 | } | |
2781 | ||
80fb2ce0 NR |
2782 | XSETINT (result->x, event->x); |
2783 | XSETINT (result->y, event->y); | |
e882229c NR |
2784 | XSETFRAME (result->frame_or_window, f); |
2785 | result->arg = Qnil; | |
2786 | return Qnil; | |
2787 | } | |
2788 | ||
f4d953fc | 2789 | int |
7be1c21a | 2790 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2791 | { |
7be1c21a | 2792 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2793 | struct input_event ie; |
2794 | int do_help = 0; | |
2795 | int count = 0; | |
2796 | ||
2797 | EVENT_INIT (ie); | |
2798 | ie.kind = NO_EVENT; | |
2799 | ie.arg = Qnil; | |
2800 | ||
80fb2ce0 | 2801 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2802 | previous_help_echo_string = help_echo_string; |
2803 | help_echo_string = Qnil; | |
2804 | ||
6178ce5e | 2805 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2806 | |
80fb2ce0 NR |
2807 | if (!term_mouse_movement (f, event)) |
2808 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2809 | |
2810 | /* If the contents of the global variable help_echo_string | |
2811 | has changed, generate a HELP_EVENT. */ | |
2812 | if (!NILP (help_echo_string) | |
2813 | || !NILP (previous_help_echo_string)) | |
2814 | do_help = 1; | |
2815 | ||
2816 | goto done; | |
2817 | } | |
2818 | else { | |
2819 | f->mouse_moved = 0; | |
2820 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2821 | } |
2822 | ||
2823 | done: | |
2824 | if (ie.kind != NO_EVENT) | |
2825 | { | |
2826 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2827 | count++; | |
2828 | } | |
2829 | ||
2830 | if (do_help | |
2831 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2832 | { | |
2833 | Lisp_Object frame; | |
2834 | ||
2835 | if (f) | |
2836 | XSETFRAME (frame, f); | |
2837 | else | |
2838 | frame = Qnil; | |
2839 | ||
2840 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2841 | help_echo_object, help_echo_pos); | |
2842 | count++; | |
2843 | } | |
2844 | ||
2845 | return count; | |
2846 | } | |
2847 | ||
6178ce5e | 2848 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2849 | 0, 0, 0, |
71f44e7a | 2850 | doc: /* Open a connection to Gpm. |
6178ce5e | 2851 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2852 | (void) |
e882229c | 2853 | { |
71f44e7a SM |
2854 | struct frame *f = SELECTED_FRAME (); |
2855 | struct tty_display_info *tty | |
2856 | = ((f)->output_method == output_termcap | |
2857 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2858 | Gpm_Connect connection; |
2859 | ||
6178ce5e SM |
2860 | if (!tty) |
2861 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2862 | if (gpm_tty == tty) |
2863 | return Qnil; /* Already activated, nothing to do. */ | |
2864 | if (gpm_tty) | |
2865 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2866 | |
e882229c NR |
2867 | connection.eventMask = ~0; |
2868 | connection.defaultMask = ~GPM_HARD; | |
2869 | connection.maxMod = ~0; | |
2870 | connection.minMod = 0; | |
80fb2ce0 | 2871 | gpm_zerobased = 1; |
e882229c NR |
2872 | |
2873 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2874 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2875 | else |
2876 | { | |
71f44e7a | 2877 | gpm_tty = tty; |
1023cbed SM |
2878 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2879 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2880 | before calling init_sys_modes. */ | |
7be1c21a MB |
2881 | reset_sys_modes (tty); |
2882 | init_sys_modes (tty); | |
e882229c | 2883 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2884 | return Qnil; |
e882229c NR |
2885 | } |
2886 | } | |
2887 | ||
ed5ff21d | 2888 | void |
d347e494 | 2889 | close_gpm (int fd) |
ed5ff21d | 2890 | { |
d347e494 SM |
2891 | if (fd >= 0) |
2892 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2893 | while (Gpm_Close()); /* close all the stack */ |
2894 | gpm_tty = NULL; | |
2895 | } | |
2896 | ||
6178ce5e | 2897 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2898 | 0, 0, 0, |
2899 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2900 | (void) |
e882229c | 2901 | { |
4ce5ab77 SM |
2902 | struct frame *f = SELECTED_FRAME (); |
2903 | struct tty_display_info *tty | |
2904 | = ((f)->output_method == output_termcap | |
2905 | ? (f)->terminal->display_info.tty : NULL); | |
2906 | ||
2907 | if (!tty || gpm_tty != tty) | |
2908 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2909 | |
d347e494 | 2910 | close_gpm (gpm_fd); |
6178ce5e | 2911 | return Qnil; |
e882229c | 2912 | } |
7e5a23bd | 2913 | #endif /* HAVE_GPM */ |
e882229c NR |
2914 | |
2915 | \f | |
89ba96f4 | 2916 | #ifndef MSDOS |
a168702a GM |
2917 | /*********************************************************************** |
2918 | Initialization | |
2919 | ***********************************************************************/ | |
2920 | ||
ed8dad6b KL |
2921 | /* Initialize the tty-dependent part of frame F. The frame must |
2922 | already have its device initialized. */ | |
3224dac1 | 2923 | |
dfcf069d | 2924 | void |
ed8dad6b | 2925 | create_tty_output (struct frame *f) |
28d440ab | 2926 | { |
ed8dad6b KL |
2927 | struct tty_output *t; |
2928 | ||
2929 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2930 | abort (); |
2931 | ||
ed8dad6b | 2932 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 2933 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 2934 | |
6ed8eeff | 2935 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2936 | |
ed8dad6b | 2937 | f->output_data.tty = t; |
3224dac1 KL |
2938 | } |
2939 | ||
9f215d25 | 2940 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2941 | |
ed8dad6b | 2942 | static void |
9f215d25 | 2943 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2944 | { |
ed8dad6b | 2945 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2946 | abort (); |
2947 | ||
9f215d25 CY |
2948 | if (FRAME_FACE_CACHE (f)) |
2949 | free_frame_faces (f); | |
2950 | ||
ed8dad6b | 2951 | xfree (f->output_data.tty); |
28d440ab KL |
2952 | } |
2953 | ||
89ba96f4 EZ |
2954 | #else /* MSDOS */ |
2955 | ||
2956 | /* Delete frame F's face cache. */ | |
2957 | ||
2958 | static void | |
2959 | tty_free_frame_resources (struct frame *f) | |
2960 | { | |
2961 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
2962 | abort (); | |
2963 | ||
2964 | if (FRAME_FACE_CACHE (f)) | |
2965 | free_frame_faces (f); | |
2966 | } | |
2967 | #endif /* MSDOS */ | |
ed8dad6b | 2968 | \f |
47cc8819 | 2969 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2970 | |
4a665758 KL |
2971 | static void |
2972 | clear_tty_hooks (struct terminal *terminal) | |
2973 | { | |
2974 | terminal->rif = 0; | |
2975 | terminal->cursor_to_hook = 0; | |
2976 | terminal->raw_cursor_to_hook = 0; | |
2977 | terminal->clear_to_end_hook = 0; | |
2978 | terminal->clear_frame_hook = 0; | |
2979 | terminal->clear_end_of_line_hook = 0; | |
2980 | terminal->ins_del_lines_hook = 0; | |
2981 | terminal->insert_glyphs_hook = 0; | |
2982 | terminal->write_glyphs_hook = 0; | |
2983 | terminal->delete_glyphs_hook = 0; | |
2984 | terminal->ring_bell_hook = 0; | |
2985 | terminal->reset_terminal_modes_hook = 0; | |
2986 | terminal->set_terminal_modes_hook = 0; | |
2987 | terminal->update_begin_hook = 0; | |
2988 | terminal->update_end_hook = 0; | |
2989 | terminal->set_terminal_window_hook = 0; | |
2990 | terminal->mouse_position_hook = 0; | |
2991 | terminal->frame_rehighlight_hook = 0; | |
2992 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2993 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2994 | terminal->set_vertical_scroll_bar_hook = 0; |
2995 | terminal->condemn_scroll_bars_hook = 0; | |
2996 | terminal->redeem_scroll_bar_hook = 0; | |
2997 | terminal->judge_scroll_bars_hook = 0; | |
2998 | terminal->read_socket_hook = 0; | |
2999 | terminal->frame_up_to_date_hook = 0; | |
3000 | ||
3001 | /* Leave these two set, or suspended frames are not deleted | |
3002 | correctly. */ | |
9f215d25 | 3003 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3004 | terminal->delete_terminal_hook = &delete_tty; |
3005 | } | |
3006 | ||
47cc8819 DN |
3007 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3008 | ||
4a665758 KL |
3009 | static void |
3010 | set_tty_hooks (struct terminal *terminal) | |
3011 | { | |
3012 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3013 | ||
3014 | terminal->cursor_to_hook = &tty_cursor_to; | |
3015 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3016 | ||
3017 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3018 | terminal->clear_frame_hook = &tty_clear_frame; | |
3019 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3020 | ||
3021 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3022 | ||
3023 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3024 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3025 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3026 | ||
3027 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3028 | |
4a665758 KL |
3029 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3030 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3031 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3032 | terminal->update_end_hook = &tty_update_end; | |
3033 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3034 | ||
3035 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3036 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3037 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3038 | ||
3039 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3040 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3041 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3042 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3043 | ||
3044 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3045 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3046 | |
9f215d25 | 3047 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3048 | terminal->delete_terminal_hook = &delete_tty; |
3049 | } | |
3050 | ||
03a1d6bd | 3051 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3052 | static void |
03a1d6bd KL |
3053 | dissociate_if_controlling_tty (int fd) |
3054 | { | |
84704c5c | 3055 | #ifndef DOS_NT |
12e610e8 | 3056 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3057 | if (pgid != -1) |
3058 | { | |
6254cdda | 3059 | #if defined (USG5) |
03a1d6bd KL |
3060 | setpgrp (); |
3061 | no_controlling_tty = 1; | |
de52dcbb DN |
3062 | #elif defined (CYGWIN) |
3063 | setsid (); | |
3064 | no_controlling_tty = 1; | |
03a1d6bd KL |
3065 | #else |
3066 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3067 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3068 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3069 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3070 | { | |
3071 | no_controlling_tty = 1; | |
3072 | } | |
3073 | if (fd != -1) | |
3074 | emacs_close (fd); | |
3075 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3076 | #else |
8516815b KL |
3077 | /* Unknown system. */ |
3078 | croak (); | |
03a1d6bd KL |
3079 | #endif /* ! TIOCNOTTY */ |
3080 | #endif /* ! USG */ | |
71a96040 | 3081 | } |
84704c5c | 3082 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3083 | } |
3084 | ||
3224dac1 KL |
3085 | /* Create a termcap display on the tty device with the given name and |
3086 | type. | |
3087 | ||
ab797f65 | 3088 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3089 | Otherwise NAME should be a path to the tty device file, |
3090 | e.g. "/dev/pts/7". | |
28d440ab | 3091 | |
3224dac1 KL |
3092 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3093 | ||
3094 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3095 | |
6ed8eeff | 3096 | struct terminal * |
8ea90aa3 | 3097 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 3098 | { |
59b3194c | 3099 | char *area = NULL; |
08a24c47 | 3100 | char **address = &area; |
6b61353c | 3101 | int buffer_size = 4096; |
59b3194c | 3102 | register char *p = NULL; |
08a24c47 | 3103 | int status; |
59b3194c KL |
3104 | struct tty_display_info *tty = NULL; |
3105 | struct terminal *terminal = NULL; | |
3106 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3107 | |
3224dac1 | 3108 | if (!terminal_type) |
d31eee5e | 3109 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3110 | "Unknown terminal type", |
3111 | "Unknown terminal type"); | |
b6660415 | 3112 | |
ab797f65 | 3113 | if (name == NULL) |
78048085 EZ |
3114 | name = DEV_TTY; |
3115 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3116 | ctty = 1; |
3117 | ||
6ed8eeff KL |
3118 | /* If we already have a terminal on the given device, use that. If |
3119 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3120 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3121 | always create a new terminal and separating terminal and frame |
b6660415 | 3122 | creation on Lisp level. */ |
6ed8eeff KL |
3123 | terminal = get_named_tty (name); |
3124 | if (terminal) | |
3125 | return terminal; | |
78048085 | 3126 | |
6ed8eeff | 3127 | terminal = create_terminal (); |
84704c5c EZ |
3128 | #ifdef MSDOS |
3129 | if (been_here > 0) | |
d31eee5e | 3130 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3131 | name, ""); |
3132 | been_here = 1; | |
3133 | tty = &the_only_display_info; | |
3134 | #else | |
3224dac1 | 3135 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3136 | #endif |
72af86bd | 3137 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3138 | tty->next = tty_list; |
3139 | tty_list = tty; | |
428a555e | 3140 | |
6ed8eeff KL |
3141 | terminal->type = output_termcap; |
3142 | terminal->display_info.tty = tty; | |
3143 | tty->terminal = terminal; | |
28d440ab | 3144 | |
7b00d185 KL |
3145 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3146 | Wcm_clear (tty); | |
daf01701 | 3147 | |
dce4c2ac DN |
3148 | encode_terminal_src_size = 0; |
3149 | encode_terminal_dst_size = 0; | |
3150 | ||
3151 | #ifdef HAVE_GPM | |
3152 | terminal->mouse_position_hook = term_mouse_position; | |
cf482c50 | 3153 | tty->mouse_highlight.mouse_face_window = Qnil; |
dce4c2ac DN |
3154 | #endif |
3155 | ||
51b59d79 | 3156 | |
84704c5c | 3157 | #ifndef DOS_NT |
4a665758 | 3158 | set_tty_hooks (terminal); |
78048085 | 3159 | |
59b3194c KL |
3160 | { |
3161 | int fd; | |
3162 | FILE *file; | |
0c72d684 KL |
3163 | |
3164 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3165 | if (!ctty) |
0c72d684 KL |
3166 | /* Open the terminal device. Don't recognize it as our |
3167 | controlling terminal, and don't make it the controlling tty | |
3168 | if we don't have one at the moment. */ | |
3169 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3170 | else |
0c72d684 | 3171 | #else |
2666355c | 3172 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3173 | defined on Hurd. On other systems, we need to explicitly |
3174 | dissociate ourselves from the controlling tty when we want to | |
3175 | open a frame on the same terminal. */ | |
0c72d684 | 3176 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3177 | #endif /* O_IGNORE_CTTY */ |
3178 | ||
97c6058a DN |
3179 | tty->name = xstrdup (name); |
3180 | terminal->name = xstrdup (name); | |
3181 | ||
59b3194c | 3182 | if (fd < 0) |
d31eee5e | 3183 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3184 | "Could not open file: %s", |
3185 | "Could not open file: %s", | |
3186 | name); | |
3187 | if (!isatty (fd)) | |
3188 | { | |
3189 | close (fd); | |
d31eee5e | 3190 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3191 | "Not a tty device: %s", |
3192 | "Not a tty device: %s", | |
3193 | name); | |
3194 | } | |
0c72d684 | 3195 | |
59b3194c KL |
3196 | #ifndef O_IGNORE_CTTY |
3197 | if (!ctty) | |
03a1d6bd | 3198 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3199 | #endif |
3200 | ||
3201 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3202 | tty->input = file; |
3203 | tty->output = file; | |
3204 | } | |
78048085 | 3205 | |
28d7d09f | 3206 | tty->type = xstrdup (terminal_type); |
28d440ab | 3207 | |
819b8f00 | 3208 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3209 | |
6548cf00 | 3210 | Wcm_clear (tty); |
08a24c47 | 3211 | |
d31eee5e | 3212 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3213 | |
03a1d6bd KL |
3214 | /* On some systems, tgetent tries to access the controlling |
3215 | terminal. */ | |
3216 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3217 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3218 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3219 | |
08a24c47 | 3220 | if (status < 0) |
b0347178 KH |
3221 | { |
3222 | #ifdef TERMINFO | |
d31eee5e | 3223 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3224 | "Cannot open terminfo database file", |
3225 | "Cannot open terminfo database file"); | |
b0347178 | 3226 | #else |
d31eee5e | 3227 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3228 | "Cannot open termcap database file", |
3229 | "Cannot open termcap database file"); | |
b0347178 KH |
3230 | #endif |
3231 | } | |
08a24c47 | 3232 | if (status == 0) |
b0347178 | 3233 | { |
d31eee5e | 3234 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3235 | "Terminal type %s is not defined", |
3236 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3237 | If that is not the actual type of terminal you have,\n\ |
3238 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3239 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3240 | #ifdef TERMINFO | |
3241 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3242 | #else |
84164a0d | 3243 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3244 | #endif |
84164a0d | 3245 | terminal_type); |
b0347178 | 3246 | } |
6b61353c KH |
3247 | |
3248 | #ifndef TERMINFO | |
d31eee5e | 3249 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3250 | abort (); |
d31eee5e | 3251 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3252 | #endif |
d31eee5e | 3253 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3254 | tty->TS_ins_line = tgetstr ("al", address); |
3255 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3256 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3257 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3258 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3259 | tty->TS_clr_line = tgetstr ("ce", address); | |
3260 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3261 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3262 | AbsPosition (tty) = tgetstr ("cm", address); | |
3263 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3264 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3265 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3266 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3267 | tty->TS_del_char = tgetstr ("dc", address); |
3268 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3269 | tty->TS_del_line = tgetstr ("dl", address); | |
3270 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3271 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3272 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3273 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3274 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3275 | tty->TS_ins_char = tgetstr ("ic", address); |
3276 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3277 | tty->TS_insert_mode = tgetstr ("im", address); | |
3278 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3279 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3280 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3281 | LastLine (tty) = tgetstr ("ll", address); |
3282 | Right (tty) = tgetstr ("nd", address); | |
3283 | Down (tty) = tgetstr ("do", address); | |
3284 | if (!Down (tty)) | |
3285 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3286 | if (tgetflag ("bs")) |
6548cf00 | 3287 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3288 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3289 | Left (tty) = tgetstr ("le", address); |
3290 | if (!Left (tty)) | |
3291 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3292 | tty->TS_pad_char = tgetstr ("pc", address); |
3293 | tty->TS_repeat = tgetstr ("rp", address); | |
3294 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3295 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3296 | tty->TS_standout_mode = tgetstr ("so", address); | |
3297 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3298 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3299 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3300 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3301 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3302 | tty->TS_visible_bell = tgetstr ("vb", address); |
3303 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3304 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3305 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3306 | tty->TS_set_window = tgetstr ("wi", address); | |
3307 | ||
3308 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3309 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3310 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3311 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3312 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3313 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3314 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3315 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3316 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3317 | |
6548cf00 KL |
3318 | MultiUp (tty) = tgetstr ("UP", address); |
3319 | MultiDown (tty) = tgetstr ("DO", address); | |
3320 | MultiLeft (tty) = tgetstr ("LE", address); | |
3321 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3322 | |
e7f90eab GM |
3323 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3324 | color because we can't switch back to the default foreground and | |
3325 | background. */ | |
fca177d4 KL |
3326 | tty->TS_orig_pair = tgetstr ("op", address); |
3327 | if (tty->TS_orig_pair) | |
a168702a | 3328 | { |
fca177d4 KL |
3329 | tty->TS_set_foreground = tgetstr ("AF", address); |
3330 | tty->TS_set_background = tgetstr ("AB", address); | |
3331 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3332 | { |
3333 | /* SVr4. */ | |
fca177d4 KL |
3334 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3335 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3336 | } |
177c0ea7 | 3337 | |
fca177d4 KL |
3338 | tty->TN_max_colors = tgetnum ("Co"); |
3339 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3340 | |
fca177d4 KL |
3341 | tty->TN_no_color_video = tgetnum ("NC"); |
3342 | if (tty->TN_no_color_video == -1) | |
3343 | tty->TN_no_color_video = 0; | |
a168702a | 3344 | } |
a168702a | 3345 | |
fca177d4 | 3346 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3347 | |
6548cf00 | 3348 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3349 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3350 | the former flag imply the latter. */ | |
6548cf00 | 3351 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3352 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3353 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3354 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3355 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3356 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3357 | tty->TF_standout_motion = tgetflag ("ms"); | |
3358 | tty->TF_underscore = tgetflag ("ul"); | |
3359 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3360 | |
dce4c2ac DN |
3361 | #else /* DOS_NT */ |
3362 | #ifdef WINDOWSNT | |
3363 | { | |
3364 | struct frame *f = XFRAME (selected_frame); | |
3365 | ||
3366 | initialize_w32_display (terminal); | |
3367 | ||
3368 | FrameRows (tty) = FRAME_LINES (f); | |
3369 | FrameCols (tty) = FRAME_COLS (f); | |
3370 | tty->specified_window = FRAME_LINES (f); | |
3371 | ||
3372 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3373 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3374 | terminal->char_ins_del_ok = 1; | |
3375 | baud_rate = 19200; | |
3376 | } | |
3377 | #else /* MSDOS */ | |
3378 | { | |
3379 | int height, width; | |
3380 | if (strcmp (terminal_type, "internal") == 0) | |
3381 | terminal->type = output_msdos_raw; | |
3382 | initialize_msdos_display (terminal); | |
3383 | ||
3384 | get_tty_size (fileno (tty->input), &width, &height); | |
3385 | FrameCols (tty) = width; | |
3386 | FrameRows (tty) = height; | |
3387 | terminal->char_ins_del_ok = 0; | |
3388 | init_baud_rate (fileno (tty->input)); | |
3389 | } | |
3390 | #endif /* MSDOS */ | |
3391 | tty->output = stdout; | |
3392 | tty->input = stdin; | |
3393 | /* The following two are inaccessible from w32console.c. */ | |
3394 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3395 | terminal->delete_terminal_hook = &delete_tty; | |
3396 | ||
3397 | tty->name = xstrdup (name); | |
3398 | terminal->name = xstrdup (name); | |
3399 | tty->type = xstrdup (terminal_type); | |
3400 | ||
3401 | add_keyboard_wait_descriptor (0); | |
3402 | ||
dce4c2ac DN |
3403 | tty->delete_in_insert_mode = 1; |
3404 | ||
3405 | UseTabs (tty) = 0; | |
3406 | terminal->scroll_region_ok = 0; | |
3407 | ||
3408 | /* Seems to insert lines when it's not supposed to, messing up the | |
3409 | display. In doing a trace, it didn't seem to be called much, so I | |
3410 | don't think we're losing anything by turning it off. */ | |
3411 | terminal->line_ins_del_ok = 0; | |
3412 | ||
3413 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3414 | #endif /* DOS_NT */ | |
3415 | ||
6ed8eeff KL |
3416 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3417 | init_kboard (terminal->kboard); | |
1344aad4 | 3418 | KVAR (terminal->kboard, Vwindow_system) = Qnil; |
6ed8eeff KL |
3419 | terminal->kboard->next_kboard = all_kboards; |
3420 | all_kboards = terminal->kboard; | |
3421 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3422 | /* Don't let the initial kboard remain current longer than necessary. |
3423 | That would cause problems if a file loaded on startup tries to | |
3424 | prompt in the mini-buffer. */ | |
3425 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3426 | current_kboard = terminal->kboard; |
84704c5c | 3427 | #ifndef DOS_NT |
6ed8eeff | 3428 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3429 | |
ff11dfa1 | 3430 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3431 | { |
3432 | int height, width; | |
0b0d3e0b | 3433 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3434 | FrameCols (tty) = width; |
3435 | FrameRows (tty) = height; | |
3b12ce12 RS |
3436 | } |
3437 | ||
0a125897 KL |
3438 | if (FrameCols (tty) <= 0) |
3439 | FrameCols (tty) = tgetnum ("co"); | |
3440 | if (FrameRows (tty) <= 0) | |
3441 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3442 | |
0a125897 | 3443 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3444 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3445 | "Screen size %dx%d is too small", |
3224dac1 | 3446 | "Screen size %dx%d is too small", |
0a125897 | 3447 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3448 | |
6548cf00 | 3449 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3450 | |
fca177d4 KL |
3451 | if (!tty->TS_bell) |
3452 | tty->TS_bell = "\07"; | |
08a24c47 | 3453 | |
fca177d4 KL |
3454 | if (!tty->TS_fwd_scroll) |
3455 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3456 | |
fca177d4 | 3457 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3458 | |
6548cf00 KL |
3459 | if (TabWidth (tty) < 0) |
3460 | TabWidth (tty) = 8; | |
177c0ea7 | 3461 | |
08a24c47 JB |
3462 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3463 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3464 | if (!tty->Wcm->cm_tab) |
3465 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3466 | */ |
3467 | ||
54800acb MB |
3468 | /* We don't support standout modes that use `magic cookies', so |
3469 | turn off any that do. */ | |
fca177d4 | 3470 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3471 | { |
fca177d4 KL |
3472 | tty->TS_standout_mode = 0; |
3473 | tty->TS_end_standout_mode = 0; | |
54800acb | 3474 | } |
fca177d4 | 3475 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3476 | { |
fca177d4 KL |
3477 | tty->TS_enter_underline_mode = 0; |
3478 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3479 | } |
3480 | ||
3481 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3482 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3483 | { |
fca177d4 KL |
3484 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3485 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3486 | } |
3487 | ||
afd359c4 RS |
3488 | /* If no `se' string, try using a `me' string instead. |
3489 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3490 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3491 | { |
e4bfb3b6 | 3492 | char *s = tgetstr ("me", address); |
afd359c4 | 3493 | if (s != 0) |
fca177d4 | 3494 | tty->TS_end_standout_mode = s; |
afd359c4 | 3495 | else |
fca177d4 | 3496 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3497 | } |
3498 | ||
fca177d4 | 3499 | if (tty->TF_teleray) |
08a24c47 | 3500 | { |
6548cf00 | 3501 | tty->Wcm->cm_tab = 0; |
54800acb | 3502 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3503 | tty->TS_standout_mode = 0; |
08a24c47 | 3504 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3505 | CR (tty) = 0; |
08a24c47 JB |
3506 | /* LF can't be trusted either -- can alter hpos */ |
3507 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3508 | Down (tty) = 0; |
08a24c47 JB |
3509 | } |
3510 | ||
3511 | /* Special handling for certain terminal types known to need it */ | |
3512 | ||
3513 | if (!strcmp (terminal_type, "supdup")) | |
3514 | { | |
6ed8eeff | 3515 | terminal->memory_below_frame = 1; |
6548cf00 | 3516 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3517 | } |
3518 | if (!strncmp (terminal_type, "c10", 3) | |
3519 | || !strcmp (terminal_type, "perq")) | |
3520 | { | |
3521 | /* Supply a makeshift :wi string. | |
3522 | This string is not valid in general since it works only | |
3523 | for windows starting at the upper left corner; | |
3524 | but that is all Emacs uses. | |
3525 | ||
ff11dfa1 | 3526 | This string works only if the frame is using |
08a24c47 JB |
3527 | the top of the video memory, because addressing is memory-relative. |
3528 | So first check the :ti string to see if that is true. | |
3529 | ||
3530 | It would be simpler if the :wi string could go in the termcap | |
3531 | entry, but it can't because it is not fully valid. | |
3532 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3533 | if (!tty->TS_set_window) |
08a24c47 | 3534 | { |
fca177d4 | 3535 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3536 | while (*p && strcmp (p, "\033v ")) |
3537 | p++; | |
3538 | if (*p) | |
fca177d4 | 3539 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3540 | } |
3541 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3542 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3543 | /* :ti string typically fails to have \E^G! in it */ |
3544 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3545 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3546 | strcat (area, "\033\007!"); |
fca177d4 | 3547 | tty->TS_termcap_modes = area; |
08a24c47 | 3548 | area += strlen (area) + 1; |
6548cf00 | 3549 | p = AbsPosition (tty); |
08a24c47 | 3550 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3551 | values above 96 correctly for the C100. */ |
08a24c47 | 3552 | while (*p) |
28d440ab KL |
3553 | { |
3554 | if (p[0] == '%' && p[1] == '+') | |
3555 | p[1] = 'C'; | |
3556 | p++; | |
3557 | } | |
08a24c47 JB |
3558 | } |
3559 | ||
0a125897 | 3560 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3561 | |
6548cf00 | 3562 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3563 | { |
d31eee5e | 3564 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3565 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3566 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3567 | It lacks the ability to position the cursor.\n\ |
3568 | If that is not the actual type of terminal you have,\n\ | |
3569 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3570 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3571 | # ifdef TERMINFO | |
3572 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3573 | # else /* TERMCAP */ |
84164a0d | 3574 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3575 | # endif /* TERMINFO */ |
3224dac1 | 3576 | terminal_type); |
fca177d4 | 3577 | } |
daf01701 | 3578 | |
0a125897 | 3579 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3580 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3581 | "Could not determine the frame size", |
3582 | "Could not determine the frame size"); | |
08a24c47 | 3583 | |
fca177d4 KL |
3584 | tty->delete_in_insert_mode |
3585 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3586 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3587 | |
fca177d4 KL |
3588 | tty->se_is_so = (tty->TS_standout_mode |
3589 | && tty->TS_end_standout_mode | |
3590 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3591 | |
0b0d3e0b | 3592 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3593 | |
6ed8eeff | 3594 | terminal->scroll_region_ok |
6548cf00 | 3595 | = (tty->Wcm->cm_abs |
fca177d4 | 3596 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3597 | |
6ed8eeff | 3598 | terminal->line_ins_del_ok |
fca177d4 KL |
3599 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3600 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3601 | || (terminal->scroll_region_ok |
fca177d4 | 3602 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3603 | |
6ed8eeff | 3604 | terminal->char_ins_del_ok |
fca177d4 KL |
3605 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3606 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3607 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3608 | |
6ed8eeff | 3609 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3610 | |
0b0d3e0b | 3611 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3612 | |
84704c5c | 3613 | #endif /* not DOS_NT */ |
635e3b29 | 3614 | |
0a125897 KL |
3615 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3616 | init_sys_modes (tty); | |
daf01701 | 3617 | |
6ed8eeff | 3618 | return terminal; |
08a24c47 JB |
3619 | } |
3620 | ||
b3ffc17c DN |
3621 | |
3622 | static void | |
3623 | vfatal (const char *str, va_list ap) | |
3624 | { | |
3625 | fprintf (stderr, "emacs: "); | |
3626 | vfprintf (stderr, str, ap); | |
3627 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3628 | fprintf (stderr, "\n"); | |
3629 | va_end (ap); | |
3630 | fflush (stderr); | |
3631 | exit (1); | |
3632 | } | |
3633 | ||
3634 | ||
a4c6993d | 3635 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3636 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3637 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3638 | |
3224dac1 | 3639 | static void |
b3ffc17c DN |
3640 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3641 | const char *str1, const char *str2, ...) | |
3224dac1 | 3642 | { |
b3ffc17c DN |
3643 | va_list ap; |
3644 | va_start (ap, str2); | |
6ed8eeff KL |
3645 | if (terminal) |
3646 | delete_tty (terminal); | |
f4d953fc | 3647 | |
3224dac1 | 3648 | if (must_succeed) |
b3ffc17c | 3649 | vfatal (str2, ap); |
3224dac1 | 3650 | else |
b3ffc17c | 3651 | verror (str1, ap); |
3224dac1 | 3652 | |
b3ffc17c | 3653 | va_end (ap); |
3224dac1 | 3654 | abort (); |
08a24c47 JB |
3655 | } |
3656 | ||
dfcf069d | 3657 | void |
7c401d15 | 3658 | fatal (const char *str, ...) |
08a24c47 | 3659 | { |
7c401d15 DN |
3660 | va_list ap; |
3661 | va_start (ap, str); | |
b3ffc17c | 3662 | vfatal (str, ap); |
7c401d15 | 3663 | va_end (ap); |
08a24c47 | 3664 | } |
07c57952 | 3665 | |
819b8f00 KL |
3666 | \f |
3667 | ||
6ed8eeff | 3668 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3669 | |
ed8dad6b | 3670 | static void |
6ed8eeff | 3671 | delete_tty (struct terminal *terminal) |
072d84a6 | 3672 | { |
428a555e | 3673 | struct tty_display_info *tty; |
f4d953fc | 3674 | |
e2749141 | 3675 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3676 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3677 | if (!terminal->name) |
0a125897 | 3678 | return; |
fca177d4 | 3679 | |
6ed8eeff | 3680 | if (terminal->type != output_termcap) |
428a555e KL |
3681 | abort (); |
3682 | ||
6ed8eeff | 3683 | tty = terminal->display_info.tty; |
f4d953fc | 3684 | |
fca177d4 KL |
3685 | if (tty == tty_list) |
3686 | tty_list = tty->next; | |
3687 | else | |
3688 | { | |
28d7d09f | 3689 | struct tty_display_info *p; |
fca177d4 KL |
3690 | for (p = tty_list; p && p->next != tty; p = p->next) |
3691 | ; | |
3692 | ||
3693 | if (! p) | |
3694 | /* This should not happen. */ | |
3695 | abort (); | |
3696 | ||
0a125897 KL |
3697 | p->next = tty->next; |
3698 | tty->next = 0; | |
fca177d4 KL |
3699 | } |
3700 | ||
7e59217d | 3701 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3702 | before delete_terminal. */ |
04c3243c | 3703 | reset_sys_modes (tty); |
fca177d4 | 3704 | |
6ed8eeff | 3705 | delete_terminal (terminal); |
3224dac1 | 3706 | |
70fdbb46 JM |
3707 | xfree (tty->name); |
3708 | xfree (tty->type); | |
daf01701 | 3709 | |
fca177d4 | 3710 | if (tty->input) |
819b8f00 KL |
3711 | { |
3712 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3713 | if (tty->input != stdin) | |
3714 | fclose (tty->input); | |
3715 | } | |
3716 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3717 | fclose (tty->output); |
3718 | if (tty->termscript) | |
3719 | fclose (tty->termscript); | |
daf01701 | 3720 | |
70fdbb46 JM |
3721 | xfree (tty->old_tty); |
3722 | xfree (tty->Wcm); | |
5f445726 JM |
3723 | xfree (tty->termcap_strings_buffer); |
3724 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3725 | |
72af86bd | 3726 | memset (tty, 0, sizeof (struct tty_display_info)); |
fca177d4 | 3727 | xfree (tty); |
fca177d4 KL |
3728 | } |
3729 | ||
428a555e KL |
3730 | \f |
3731 | ||
28d7d09f | 3732 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3733 | Called by the Fgarbage_collector. */ |
da8e1115 | 3734 | |
fca177d4 | 3735 | void |
ed8dad6b | 3736 | mark_ttys (void) |
fca177d4 | 3737 | { |
28d7d09f | 3738 | struct tty_display_info *tty; |
0c72d684 | 3739 | |
819b8f00 | 3740 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3741 | mark_object (tty->top_frame); |
072d84a6 RS |
3742 | } |
3743 | ||
428a555e KL |
3744 | \f |
3745 | ||
dfcf069d | 3746 | void |
d3da34e0 | 3747 | syms_of_term (void) |
07c57952 | 3748 | { |
29208e82 | 3749 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3750 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3751 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3752 | #ifdef TERMINFO |
3753 | system_uses_terminfo = 1; | |
3754 | #else | |
3755 | system_uses_terminfo = 0; | |
3756 | #endif | |
c291d9ef | 3757 | |
29208e82 | 3758 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e4019195 | 3759 | doc: /* Functions to be run after suspending a tty. |
fdc496e7 | 3760 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3761 | See `suspend-tty'. */); |
e4019195 | 3762 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3763 | |
3764 | ||
29208e82 | 3765 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e4019195 | 3766 | doc: /* Functions to be run after resuming a tty. |
fdc496e7 | 3767 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3768 | See `resume-tty'. */); |
e4019195 | 3769 | Vresume_tty_functions = Qnil; |
a168702a | 3770 | |
29208e82 | 3771 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3772 | doc: /* Non-nil means to make the cursor very visible. |
3773 | This only has an effect when running in a text terminal. | |
3774 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3775 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3776 | visible_cursor = 1; | |
3777 | ||
a168702a | 3778 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3779 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3780 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3781 | defsubr (&Stty_type); |
3782 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3783 | defsubr (&Ssuspend_tty); |
3784 | defsubr (&Sresume_tty); | |
7e5a23bd | 3785 | #ifdef HAVE_GPM |
6178ce5e SM |
3786 | defsubr (&Sgpm_mouse_start); |
3787 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3788 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3789 | |
84704c5c | 3790 | #ifndef DOS_NT |
3a7c5d40 CY |
3791 | default_orig_pair = NULL; |
3792 | default_set_foreground = NULL; | |
3793 | default_set_background = NULL; | |
84704c5c | 3794 | #endif /* !DOS_NT */ |
d31eee5e CY |
3795 | |
3796 | encode_terminal_src = NULL; | |
3797 | encode_terminal_dst = NULL; | |
07c57952 | 3798 | } |