Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
acaf905b | 2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2012 |
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> |
d35af63c | 27 | #include <sys/time.h> |
1ec5dc77 | 28 | #include <unistd.h> |
03a1d6bd | 29 | #include <signal.h> |
d7306fe6 | 30 | #include <setjmp.h> |
0c72d684 | 31 | |
9628b887 | 32 | #include "lisp.h" |
08a24c47 JB |
33 | #include "termchar.h" |
34 | #include "termopts.h" | |
50938595 | 35 | #include "tparam.h" |
9332ea03 | 36 | #include "character.h" |
e5560ff7 | 37 | #include "buffer.h" |
a4decb7f KH |
38 | #include "charset.h" |
39 | #include "coding.h" | |
4c12d738 | 40 | #include "composite.h" |
2538fae4 | 41 | #include "keyboard.h" |
ff11dfa1 | 42 | #include "frame.h" |
08a24c47 JB |
43 | #include "disptab.h" |
44 | #include "termhooks.h" | |
dfcf069d | 45 | #include "dispextern.h" |
a168702a | 46 | #include "window.h" |
8feddab4 | 47 | #include "keymap.h" |
1a935bfd | 48 | #include "blockinput.h" |
03a1d6bd KL |
49 | #include "syssignal.h" |
50 | #include "systty.h" | |
c9612b8e | 51 | #include "intervals.h" |
84704c5c EZ |
52 | #ifdef MSDOS |
53 | #include "msdos.h" | |
54 | static int been_here = -1; | |
55 | #endif | |
a168702a | 56 | |
eccec691 | 57 | #include "cm.h" |
dfcf069d AS |
58 | #ifdef HAVE_X_WINDOWS |
59 | #include "xterm.h" | |
60 | #endif | |
c8951b18 | 61 | |
28d440ab KL |
62 | #ifndef O_RDWR |
63 | #define O_RDWR 2 | |
64 | #endif | |
6b61353c | 65 | |
0c72d684 KL |
66 | #ifndef O_NOCTTY |
67 | #define O_NOCTTY 0 | |
68 | #endif | |
6b61353c | 69 | |
78048085 EZ |
70 | /* The name of the default console device. */ |
71 | #ifdef WINDOWSNT | |
72 | #define DEV_TTY "CONOUT$" | |
73 | #else | |
74 | #define DEV_TTY "/dev/tty" | |
75 | #endif | |
a168702a | 76 | |
f57e2426 J |
77 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
78 | static void turn_on_face (struct frame *, int face_id); | |
79 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 80 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
81 | static void tty_show_cursor (struct tty_display_info *); |
82 | static void tty_hide_cursor (struct tty_display_info *); | |
83 | static void tty_background_highlight (struct tty_display_info *tty); | |
64520e5c | 84 | static struct terminal *get_tty_terminal (Lisp_Object, int); |
f57e2426 J |
85 | static void clear_tty_hooks (struct terminal *terminal); |
86 | static void set_tty_hooks (struct terminal *terminal); | |
87 | static void dissociate_if_controlling_tty (int fd); | |
88 | static void delete_tty (struct terminal *); | |
845ca893 PE |
89 | static _Noreturn void maybe_fatal (int must_succeed, struct terminal *terminal, |
90 | const char *str1, const char *str2, ...) | |
91 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); | |
92 | static _Noreturn void vfatal (const char *str, va_list ap) | |
93 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 94 | |
a168702a | 95 | |
6548cf00 KL |
96 | #define OUTPUT(tty, a) \ |
97 | emacs_tputs ((tty), a, \ | |
98 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
99 | - curY (tty)), \ | |
100 | cmputc) | |
101 | ||
28d440ab KL |
102 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
103 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 104 | |
28d440ab | 105 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
106 | do { \ |
107 | if (a) \ | |
b286858c | 108 | OUTPUT (tty, a); \ |
6548cf00 | 109 | } while (0) |
177c0ea7 | 110 | |
28d440ab | 111 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 112 | |
f46c2aff | 113 | /* Display space properties */ |
08a24c47 | 114 | |
428a555e | 115 | /* Chain of all tty device parameters. */ |
28d7d09f | 116 | struct tty_display_info *tty_list; |
08a24c47 | 117 | |
4e6ba4a4 GM |
118 | /* Meaning of bits in no_color_video. Each bit set means that the |
119 | corresponding attribute cannot be combined with colors. */ | |
120 | ||
121 | enum no_color_bit | |
122 | { | |
123 | NC_STANDOUT = 1 << 0, | |
124 | NC_UNDERLINE = 1 << 1, | |
125 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 126 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
127 | NC_DIM = 1 << 4, |
128 | NC_BOLD = 1 << 5, | |
129 | NC_INVIS = 1 << 6, | |
cd4eb164 | 130 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
131 | }; |
132 | ||
08a24c47 JB |
133 | /* internal state */ |
134 | ||
8dd0c7cb | 135 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 136 | |
64520e5c | 137 | static int max_frame_cols; |
a168702a | 138 | |
0c72d684 KL |
139 | /* Non-zero if we have dropped our controlling tty and therefore |
140 | should not open a frame on stdout. */ | |
141 | static int no_controlling_tty; | |
08a24c47 | 142 | |
08a24c47 | 143 | \f |
cb28b9c2 | 144 | |
7e5a23bd | 145 | #ifdef HAVE_GPM |
e882229c | 146 | #include <sys/fcntl.h> |
e882229c | 147 | |
71f44e7a SM |
148 | /* The device for which we have enabled gpm support (or NULL). */ |
149 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 150 | |
cf482c50 | 151 | /* Last recorded mouse coordinates. */ |
e882229c | 152 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 153 | #endif /* HAVE_GPM */ |
e882229c | 154 | |
da8e1115 | 155 | /* Ring the bell on a tty. */ |
c291d9ef | 156 | |
ed8dad6b | 157 | static void |
385ed61f | 158 | tty_ring_bell (struct frame *f) |
3224dac1 | 159 | { |
3224dac1 | 160 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 161 | |
b6660415 KL |
162 | if (tty->output) |
163 | { | |
164 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
165 | ? tty->TS_visible_bell | |
166 | : tty->TS_bell)); | |
167 | fflush (tty->output); | |
08a24c47 | 168 | } |
08a24c47 JB |
169 | } |
170 | ||
da8e1115 KL |
171 | /* Set up termcap modes for Emacs. */ |
172 | ||
64520e5c | 173 | static void |
6ed8eeff | 174 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 175 | { |
6ed8eeff | 176 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 177 | |
0b0d3e0b | 178 | if (tty->output) |
08a24c47 | 179 | { |
fbf34973 KL |
180 | if (tty->TS_termcap_modes) |
181 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 182 | else |
fbf34973 KL |
183 | { |
184 | /* Output enough newlines to scroll all the old screen contents | |
185 | off the screen, so it won't be overwritten and lost. */ | |
186 | int i; | |
a3c07f68 | 187 | current_tty = tty; |
fbf34973 | 188 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 189 | cmputc ('\n'); |
fbf34973 KL |
190 | } |
191 | ||
b58cb614 | 192 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
193 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
194 | losecursor (tty); | |
2f98e6e3 | 195 | fflush (tty->output); |
08a24c47 | 196 | } |
08a24c47 JB |
197 | } |
198 | ||
da8e1115 KL |
199 | /* Reset termcap modes before exiting Emacs. */ |
200 | ||
64520e5c | 201 | static void |
6ed8eeff | 202 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 203 | { |
6ed8eeff | 204 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
205 | |
206 | if (tty->output) | |
08a24c47 | 207 | { |
ed8dad6b KL |
208 | tty_turn_off_highlight (tty); |
209 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
210 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
211 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
212 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
213 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 214 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 215 | current_tty = tty; |
d284f58f | 216 | cmputc ('\r'); |
2f98e6e3 | 217 | fflush (tty->output); |
08a24c47 | 218 | } |
08a24c47 JB |
219 | } |
220 | ||
6ed8eeff | 221 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 222 | |
ed8dad6b | 223 | static void |
3224dac1 | 224 | tty_update_end (struct frame *f) |
08a24c47 | 225 | { |
3224dac1 | 226 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 227 | |
3224dac1 KL |
228 | if (!XWINDOW (selected_window)->cursor_off_p) |
229 | tty_show_cursor (tty); | |
ed8dad6b KL |
230 | tty_turn_off_insert (tty); |
231 | tty_background_highlight (tty); | |
08a24c47 JB |
232 | } |
233 | ||
da8e1115 KL |
234 | /* The implementation of set_terminal_window for termcap frames. */ |
235 | ||
ed8dad6b | 236 | static void |
385ed61f | 237 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 238 | { |
3224dac1 KL |
239 | struct tty_display_info *tty = FRAME_TTY (f); |
240 | ||
241 | tty->specified_window = size ? size : FRAME_LINES (f); | |
242 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 243 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
244 | } |
245 | ||
ed8dad6b KL |
246 | static void |
247 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
248 | { |
249 | char *buf; | |
28d7d09f | 250 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 251 | |
fca177d4 | 252 | if (tty->TS_set_scroll_region) |
50938595 | 253 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
254 | else if (tty->TS_set_scroll_region_1) |
255 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
256 | FRAME_LINES (f), start, |
257 | FRAME_LINES (f) - stop, | |
258 | FRAME_LINES (f)); | |
08a24c47 | 259 | else |
fca177d4 | 260 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 261 | |
6548cf00 | 262 | OUTPUT (tty, buf); |
9ac0d9e0 | 263 | xfree (buf); |
6548cf00 | 264 | losecursor (tty); |
08a24c47 | 265 | } |
d284f58f | 266 | |
08a24c47 | 267 | \f |
d284f58f | 268 | static void |
ed8dad6b | 269 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 270 | { |
fca177d4 KL |
271 | if (!tty->insert_mode) |
272 | OUTPUT (tty, tty->TS_insert_mode); | |
273 | tty->insert_mode = 1; | |
08a24c47 JB |
274 | } |
275 | ||
dfcf069d | 276 | void |
ed8dad6b | 277 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 278 | { |
fca177d4 KL |
279 | if (tty->insert_mode) |
280 | OUTPUT (tty, tty->TS_end_insert_mode); | |
281 | tty->insert_mode = 0; | |
08a24c47 JB |
282 | } |
283 | \f | |
54800acb | 284 | /* Handle highlighting. */ |
08a24c47 | 285 | |
64520e5c | 286 | static void |
ed8dad6b | 287 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 288 | { |
fca177d4 KL |
289 | if (tty->standout_mode) |
290 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
291 | tty->standout_mode = 0; | |
08a24c47 JB |
292 | } |
293 | ||
d284f58f | 294 | static void |
ed8dad6b | 295 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 296 | { |
fca177d4 KL |
297 | if (!tty->standout_mode) |
298 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
299 | tty->standout_mode = 1; | |
08a24c47 JB |
300 | } |
301 | ||
86a7d192 | 302 | static void |
ed8dad6b | 303 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 304 | { |
fca177d4 | 305 | if (tty->standout_mode) |
ed8dad6b | 306 | tty_turn_off_highlight (tty); |
86a7d192 | 307 | else |
ed8dad6b | 308 | tty_turn_on_highlight (tty); |
86a7d192 GM |
309 | } |
310 | ||
a168702a GM |
311 | |
312 | /* Make cursor invisible. */ | |
313 | ||
314 | static void | |
28d7d09f | 315 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 316 | { |
fca177d4 | 317 | if (tty->cursor_hidden == 0) |
d284f58f | 318 | { |
fca177d4 KL |
319 | tty->cursor_hidden = 1; |
320 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 321 | } |
a168702a GM |
322 | } |
323 | ||
324 | ||
325 | /* Ensure that cursor is visible. */ | |
326 | ||
327 | static void | |
28d7d09f | 328 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 329 | { |
fca177d4 | 330 | if (tty->cursor_hidden) |
d284f58f | 331 | { |
fca177d4 KL |
332 | tty->cursor_hidden = 0; |
333 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 334 | if (visible_cursor) |
b58cb614 | 335 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 336 | } |
a168702a GM |
337 | } |
338 | ||
339 | ||
08a24c47 JB |
340 | /* Set standout mode to the state it should be in for |
341 | empty space inside windows. What this is, | |
342 | depends on the user option inverse-video. */ | |
343 | ||
ed8dad6b KL |
344 | static void |
345 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 346 | { |
08a24c47 | 347 | if (inverse_video) |
ed8dad6b | 348 | tty_turn_on_highlight (tty); |
08a24c47 | 349 | else |
ed8dad6b | 350 | tty_turn_off_highlight (tty); |
08a24c47 JB |
351 | } |
352 | ||
353 | /* Set standout mode to the mode specified for the text to be output. */ | |
354 | ||
dfcf069d | 355 | static void |
ed8dad6b | 356 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 357 | { |
8ede64a5 | 358 | if (inverse_video) |
ed8dad6b | 359 | tty_turn_on_highlight (tty); |
8ede64a5 | 360 | else |
ed8dad6b | 361 | tty_turn_off_highlight (tty); |
08a24c47 JB |
362 | } |
363 | \f | |
364 | ||
a168702a GM |
365 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
366 | frame-relative coordinates. */ | |
08a24c47 | 367 | |
ed8dad6b | 368 | static void |
385ed61f | 369 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 370 | { |
3224dac1 | 371 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 372 | |
36cae867 KH |
373 | /* Detect the case where we are called from reset_sys_modes |
374 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 375 | if (! tty->costs_set) |
36cae867 KH |
376 | return; |
377 | ||
6548cf00 KL |
378 | if (curY (tty) == vpos |
379 | && curX (tty) == hpos) | |
08a24c47 | 380 | return; |
fca177d4 | 381 | if (!tty->TF_standout_motion) |
ed8dad6b | 382 | tty_background_highlight (tty); |
fca177d4 | 383 | if (!tty->TF_insmode_motion) |
ed8dad6b | 384 | tty_turn_off_insert (tty); |
6548cf00 | 385 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
386 | } |
387 | ||
388 | /* Similar but don't take any account of the wasted characters. */ | |
389 | ||
ed8dad6b | 390 | static void |
385ed61f | 391 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 392 | { |
3224dac1 KL |
393 | struct tty_display_info *tty = FRAME_TTY (f); |
394 | ||
6548cf00 KL |
395 | if (curY (tty) == row |
396 | && curX (tty) == col) | |
08a24c47 | 397 | return; |
fca177d4 | 398 | if (!tty->TF_standout_motion) |
ed8dad6b | 399 | tty_background_highlight (tty); |
fca177d4 | 400 | if (!tty->TF_insmode_motion) |
ed8dad6b | 401 | tty_turn_off_insert (tty); |
6548cf00 | 402 | cmgoto (tty, row, col); |
08a24c47 JB |
403 | } |
404 | \f | |
405 | /* Erase operations */ | |
406 | ||
da8e1115 KL |
407 | /* Clear from cursor to end of frame on a termcap device. */ |
408 | ||
ed8dad6b | 409 | static void |
385ed61f | 410 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
411 | { |
412 | register int i; | |
3224dac1 | 413 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 414 | |
fca177d4 | 415 | if (tty->TS_clr_to_bottom) |
08a24c47 | 416 | { |
ed8dad6b | 417 | tty_background_highlight (tty); |
fca177d4 | 418 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
419 | } |
420 | else | |
421 | { | |
6548cf00 | 422 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 423 | { |
385ed61f KL |
424 | cursor_to (f, i, 0); |
425 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
426 | } |
427 | } | |
428 | } | |
429 | ||
da8e1115 | 430 | /* Clear an entire termcap frame. */ |
08a24c47 | 431 | |
ed8dad6b | 432 | static void |
385ed61f | 433 | tty_clear_frame (struct frame *f) |
08a24c47 | 434 | { |
3224dac1 | 435 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 436 | |
fca177d4 | 437 | if (tty->TS_clr_frame) |
08a24c47 | 438 | { |
ed8dad6b | 439 | tty_background_highlight (tty); |
fca177d4 | 440 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 441 | cmat (tty, 0, 0); |
08a24c47 JB |
442 | } |
443 | else | |
444 | { | |
385ed61f KL |
445 | cursor_to (f, 0, 0); |
446 | clear_to_end (f); | |
08a24c47 JB |
447 | } |
448 | } | |
449 | ||
da8e1115 | 450 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
451 | |
452 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
453 | ||
ed8dad6b | 454 | static void |
385ed61f | 455 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
456 | { |
457 | register int i; | |
3224dac1 | 458 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 459 | |
36cae867 KH |
460 | /* Detect the case where we are called from reset_sys_modes |
461 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 462 | if (! tty->costs_set) |
36cae867 KH |
463 | return; |
464 | ||
6548cf00 | 465 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 466 | return; |
ed8dad6b | 467 | tty_background_highlight (tty); |
fca177d4 | 468 | if (tty->TS_clr_line) |
08a24c47 | 469 | { |
fca177d4 | 470 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
471 | } |
472 | else | |
473 | { /* have to do it the hard way */ | |
ed8dad6b | 474 | tty_turn_off_insert (tty); |
08a24c47 | 475 | |
a168702a | 476 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 477 | if (AutoWrap (tty) |
0a125897 KL |
478 | && curY (tty) == FrameRows (tty) - 1 |
479 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
480 | first_unused_hpos--; |
481 | ||
6548cf00 | 482 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 483 | { |
0b0d3e0b KL |
484 | if (tty->termscript) |
485 | fputc (' ', tty->termscript); | |
486 | fputc (' ', tty->output); | |
08a24c47 | 487 | } |
6548cf00 | 488 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
489 | } |
490 | } | |
491 | \f | |
288d5132 KH |
492 | /* Buffers to store the source and result of code conversion for terminal. */ |
493 | static unsigned char *encode_terminal_src; | |
494 | static unsigned char *encode_terminal_dst; | |
495 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
496 | static ptrdiff_t encode_terminal_src_size; |
497 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
498 | |
499 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
500 | Set CODING->produced to the byte-length of the resulting byte | |
501 | sequence, and return a pointer to that byte sequence. */ | |
502 | ||
7ef4b50c | 503 | unsigned char * |
d3da34e0 | 504 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 505 | { |
feef4f84 | 506 | struct glyph *src_end = src + src_len; |
288d5132 | 507 | unsigned char *buf; |
fee31f82 PE |
508 | ptrdiff_t nchars, nbytes, required; |
509 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 510 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 511 | Lisp_Object charset_list; |
c5a518df | 512 | |
288d5132 KH |
513 | /* Allocate sufficient size of buffer to store all characters in |
514 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
515 | Vglyph_table contains a string or a composite glyph is |
516 | encountered. */ | |
fee31f82 PE |
517 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
518 | memory_full (SIZE_MAX); | |
519 | required = src_len; | |
520 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
521 | if (encode_terminal_src_size < required) |
522 | { | |
fee31f82 | 523 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
524 | encode_terminal_src_size = required; |
525 | } | |
6589fd67 | 526 | |
288d5132 | 527 | charset_list = coding_charset_list (coding); |
a4decb7f | 528 | |
288d5132 KH |
529 | buf = encode_terminal_src; |
530 | nchars = 0; | |
531 | while (src < src_end) | |
a4decb7f | 532 | { |
4c12d738 KH |
533 | if (src->type == COMPOSITE_GLYPH) |
534 | { | |
c2ed9c8b PE |
535 | struct composition *cmp IF_LINT (= NULL); |
536 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
537 | int i; |
538 | ||
539 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
540 | if (src->u.cmp.automatic) |
541 | { | |
542 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 543 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
544 | } |
545 | else | |
546 | { | |
547 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
548 | required = cmp->glyph_len; |
549 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 550 | } |
4c12d738 | 551 | |
fee31f82 | 552 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 553 | { |
0065d054 PE |
554 | encode_terminal_src = |
555 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
556 | required - (encode_terminal_src_size - nbytes), | |
557 | -1, 1); | |
4c12d738 KH |
558 | buf = encode_terminal_src + nbytes; |
559 | } | |
560 | ||
75a10786 | 561 | if (src->u.cmp.automatic) |
4be9765d | 562 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
563 | { |
564 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
565 | int c = LGLYPH_CHAR (g); | |
566 | ||
567 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 568 | c = '?'; |
75a10786 KH |
569 | buf += CHAR_STRING (c, buf); |
570 | nchars++; | |
571 | } | |
572 | else | |
573 | for (i = 0; i < cmp->glyph_len; i++) | |
574 | { | |
575 | int c = COMPOSITION_GLYPH (cmp, i); | |
576 | ||
bd01620e EZ |
577 | /* TAB in a composition means display glyphs with |
578 | padding space on the left or right. */ | |
d0984aff KH |
579 | if (c == '\t') |
580 | continue; | |
581 | if (char_charset (c, charset_list, NULL)) | |
582 | { | |
583 | if (CHAR_WIDTH (c) == 0 | |
584 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
585 | /* Should be left-padded */ | |
586 | { | |
587 | buf += CHAR_STRING (' ', buf); | |
588 | nchars++; | |
589 | } | |
590 | } | |
591 | else | |
592 | c = '?'; | |
75a10786 KH |
593 | buf += CHAR_STRING (c, buf); |
594 | nchars++; | |
595 | } | |
4c12d738 | 596 | } |
a4decb7f | 597 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 598 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 599 | { |
f4d953fc | 600 | GLYPH g; |
c2ed9c8b | 601 | int c IF_LINT (= 0); |
288d5132 KH |
602 | Lisp_Object string; |
603 | ||
4ae0a2c0 | 604 | string = Qnil; |
f4d953fc | 605 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 606 | |
f4d953fc | 607 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 608 | { |
f185a758 | 609 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
610 | c = src->u.ch; |
611 | } | |
32de38e4 | 612 | else |
a4decb7f | 613 | { |
32de38e4 | 614 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
615 | so process any alias before testing for simpleness. */ |
616 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
617 | |
618 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
619 | /* We set the multi-byte form of a character in G |
620 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 621 | c = GLYPH_CHAR (g); |
32de38e4 | 622 | else |
4ae0a2c0 | 623 | /* We have a string in Vglyph_table. */ |
f4d953fc | 624 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 625 | } |
177c0ea7 | 626 | |
4ae0a2c0 | 627 | if (NILP (string)) |
c42869c4 | 628 | { |
4c12d738 | 629 | nbytes = buf - encode_terminal_src; |
fee31f82 | 630 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 631 | { |
0065d054 PE |
632 | encode_terminal_src = |
633 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
634 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
635 | buf = encode_terminal_src + nbytes; |
636 | } | |
d419e1d9 KH |
637 | if (CHAR_BYTE8_P (c) |
638 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 639 | { |
288d5132 KH |
640 | /* Store the multibyte form of C at BUF. */ |
641 | buf += CHAR_STRING (c, buf); | |
642 | nchars++; | |
c5a518df KH |
643 | } |
644 | else | |
645 | { | |
288d5132 KH |
646 | /* C is not encodable. */ |
647 | *buf++ = '?'; | |
c5a518df | 648 | nchars++; |
288d5132 KH |
649 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
650 | { | |
651 | *buf++ = '?'; | |
652 | nchars++; | |
653 | src++; | |
654 | } | |
c5a518df | 655 | } |
4ae0a2c0 KH |
656 | } |
657 | else | |
658 | { | |
288d5132 KH |
659 | if (! STRING_MULTIBYTE (string)) |
660 | string = string_to_multibyte (string); | |
661 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 662 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 663 | { |
0065d054 PE |
664 | encode_terminal_src = |
665 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
666 | (SBYTES (string) | |
667 | - (encode_terminal_src_size - nbytes)), | |
668 | -1, 1); | |
288d5132 | 669 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 670 | } |
72af86bd | 671 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
672 | buf += SBYTES (string); |
673 | nchars += SCHARS (string); | |
c42869c4 | 674 | } |
a4decb7f | 675 | } |
288d5132 KH |
676 | src++; |
677 | } | |
678 | ||
679 | if (nchars == 0) | |
680 | { | |
681 | coding->produced = 0; | |
682 | return NULL; | |
a4decb7f | 683 | } |
177c0ea7 | 684 | |
288d5132 KH |
685 | nbytes = buf - encode_terminal_src; |
686 | coding->source = encode_terminal_src; | |
687 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 688 | { |
fee31f82 PE |
689 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
690 | encode_terminal_src_size); | |
288d5132 | 691 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 692 | } |
288d5132 KH |
693 | coding->destination = encode_terminal_dst; |
694 | coding->dst_bytes = encode_terminal_dst_size; | |
695 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 696 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
697 | encode_terminal_dst = coding->destination; |
698 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 699 | |
288d5132 | 700 | return (encode_terminal_dst); |
a4decb7f KH |
701 | } |
702 | ||
08a24c47 | 703 | |
c73bd236 | 704 | |
da8e1115 KL |
705 | /* An implementation of write_glyphs for termcap frames. */ |
706 | ||
ed8dad6b | 707 | static void |
385ed61f | 708 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 709 | { |
288d5132 KH |
710 | unsigned char *conversion_buffer; |
711 | struct coding_system *coding; | |
5c5cdd39 | 712 | size_t n, stringlen; |
08a24c47 | 713 | |
3224dac1 | 714 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 715 | |
ed8dad6b | 716 | tty_turn_off_insert (tty); |
fca177d4 | 717 | tty_hide_cursor (tty); |
08a24c47 | 718 | |
a168702a | 719 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 720 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 721 | |
6548cf00 KL |
722 | if (AutoWrap (tty) |
723 | && curY (tty) + 1 == FRAME_LINES (f) | |
724 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 725 | len --; |
a4decb7f KH |
726 | if (len <= 0) |
727 | return; | |
08a24c47 | 728 | |
6548cf00 | 729 | cmplus (tty, len); |
177c0ea7 | 730 | |
af645abf KH |
731 | /* If terminal_coding does any conversion, use it, otherwise use |
732 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
733 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
734 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
735 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
736 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
737 | the tail. */ | |
af645abf | 738 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 739 | |
5c5cdd39 | 740 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 741 | { |
a168702a | 742 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 743 | int face_id = string->face_id; |
177c0ea7 | 744 | |
5c5cdd39 | 745 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 746 | if (string[n].face_id != face_id) |
a168702a GM |
747 | break; |
748 | ||
749 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 750 | tty_highlight_if_desired (tty); |
a168702a GM |
751 | turn_on_face (f, face_id); |
752 | ||
5c5cdd39 | 753 | if (n == stringlen) |
288d5132 KH |
754 | /* This is the last run. */ |
755 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
756 | conversion_buffer = encode_terminal_code (string, n, coding); | |
757 | if (coding->produced > 0) | |
08a24c47 | 758 | { |
1a935bfd | 759 | BLOCK_INPUT; |
fad2f685 KL |
760 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
761 | if (ferror (tty->output)) | |
762 | clearerr (tty->output); | |
763 | if (tty->termscript) | |
764 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 765 | UNBLOCK_INPUT; |
08a24c47 | 766 | } |
288d5132 | 767 | string += n; |
a168702a GM |
768 | |
769 | /* Turn appearance modes off. */ | |
770 | turn_off_face (f, face_id); | |
ed8dad6b | 771 | tty_turn_off_highlight (tty); |
a4decb7f | 772 | } |
177c0ea7 | 773 | |
6548cf00 | 774 | cmcheckmagic (tty); |
08a24c47 JB |
775 | } |
776 | ||
b870aa61 SM |
777 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
778 | ||
7be1c21a | 779 | static void |
d3da34e0 JB |
780 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
781 | register int len, register int face_id) | |
e882229c | 782 | { |
e882229c NR |
783 | unsigned char *conversion_buffer; |
784 | struct coding_system *coding; | |
785 | ||
7be1c21a MB |
786 | struct tty_display_info *tty = FRAME_TTY (f); |
787 | ||
788 | tty_turn_off_insert (tty); | |
789 | tty_hide_cursor (tty); | |
e882229c NR |
790 | |
791 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
792 | since that would scroll the whole frame on some terminals. */ | |
793 | ||
7be1c21a MB |
794 | if (AutoWrap (tty) |
795 | && curY (tty) + 1 == FRAME_LINES (f) | |
796 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
797 | len --; |
798 | if (len <= 0) | |
799 | return; | |
800 | ||
7be1c21a | 801 | cmplus (tty, len); |
e882229c NR |
802 | |
803 | /* If terminal_coding does any conversion, use it, otherwise use | |
804 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
805 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
806 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
807 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
808 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
809 | the tail. */ | |
810 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
811 | ||
e882229c | 812 | /* Turn appearance modes of the face. */ |
7be1c21a | 813 | tty_highlight_if_desired (tty); |
e882229c NR |
814 | turn_on_face (f, face_id); |
815 | ||
816 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
817 | conversion_buffer = encode_terminal_code (string, len, coding); | |
818 | if (coding->produced > 0) | |
819 | { | |
820 | BLOCK_INPUT; | |
7be1c21a MB |
821 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
822 | if (ferror (tty->output)) | |
823 | clearerr (tty->output); | |
824 | if (tty->termscript) | |
825 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
826 | UNBLOCK_INPUT; |
827 | } | |
828 | ||
829 | /* Turn appearance modes off. */ | |
830 | turn_off_face (f, face_id); | |
7be1c21a | 831 | tty_turn_off_highlight (tty); |
e882229c | 832 | |
7be1c21a | 833 | cmcheckmagic (tty); |
e882229c | 834 | } |
b870aa61 | 835 | #endif |
e882229c | 836 | |
da8e1115 | 837 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 838 | |
ed8dad6b | 839 | static void |
385ed61f | 840 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
841 | { |
842 | char *buf; | |
6bbd7a29 | 843 | struct glyph *glyph = NULL; |
af645abf KH |
844 | unsigned char *conversion_buffer; |
845 | unsigned char space[1]; | |
846 | struct coding_system *coding; | |
08a24c47 | 847 | |
3224dac1 | 848 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 849 | |
fca177d4 | 850 | if (tty->TS_ins_multi_chars) |
08a24c47 | 851 | { |
50938595 | 852 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 853 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 854 | xfree (buf); |
08a24c47 | 855 | if (start) |
385ed61f | 856 | write_glyphs (f, start, len); |
08a24c47 JB |
857 | return; |
858 | } | |
859 | ||
ed8dad6b | 860 | tty_turn_on_insert (tty); |
6548cf00 | 861 | cmplus (tty, len); |
288d5132 KH |
862 | |
863 | if (! start) | |
864 | space[0] = SPACEGLYPH; | |
865 | ||
866 | /* If terminal_coding does any conversion, use it, otherwise use | |
867 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
868 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
869 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
870 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
871 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
872 | the tail. */ | |
873 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
874 | ||
07109bf9 | 875 | while (len-- > 0) |
08a24c47 | 876 | { |
fca177d4 | 877 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 878 | if (!start) |
32de38e4 | 879 | { |
288d5132 KH |
880 | conversion_buffer = space; |
881 | coding->produced = 1; | |
32de38e4 | 882 | } |
08a24c47 | 883 | else |
08a24c47 | 884 | { |
ed8dad6b | 885 | tty_highlight_if_desired (tty); |
32de38e4 | 886 | turn_on_face (f, start->face_id); |
816be8b8 | 887 | glyph = start; |
a168702a | 888 | ++start; |
a4decb7f KH |
889 | /* We must open sufficient space for a character which |
890 | occupies more than one column. */ | |
a168702a | 891 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 892 | { |
fca177d4 | 893 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
894 | start++, len--; |
895 | } | |
288d5132 KH |
896 | |
897 | if (len <= 0) | |
898 | /* This is the last glyph. */ | |
899 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
900 | ||
fad2f685 | 901 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 902 | } |
a4decb7f | 903 | |
288d5132 | 904 | if (coding->produced > 0) |
08a24c47 | 905 | { |
1a935bfd | 906 | BLOCK_INPUT; |
fad2f685 | 907 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
908 | if (ferror (tty->output)) |
909 | clearerr (tty->output); | |
910 | if (tty->termscript) | |
fad2f685 | 911 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 912 | UNBLOCK_INPUT; |
08a24c47 JB |
913 | } |
914 | ||
fca177d4 | 915 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 916 | if (start) |
65aa5e85 GM |
917 | { |
918 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 919 | tty_turn_off_highlight (tty); |
65aa5e85 | 920 | } |
9a6b6f92 | 921 | } |
177c0ea7 | 922 | |
6548cf00 | 923 | cmcheckmagic (tty); |
08a24c47 JB |
924 | } |
925 | ||
da8e1115 KL |
926 | /* An implementation of delete_glyphs for termcap frames. */ |
927 | ||
ed8dad6b | 928 | static void |
385ed61f | 929 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
930 | { |
931 | char *buf; | |
932 | register int i; | |
933 | ||
3224dac1 | 934 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 935 | |
fca177d4 | 936 | if (tty->delete_in_insert_mode) |
08a24c47 | 937 | { |
ed8dad6b | 938 | tty_turn_on_insert (tty); |
08a24c47 JB |
939 | } |
940 | else | |
941 | { | |
ed8dad6b | 942 | tty_turn_off_insert (tty); |
fca177d4 | 943 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
944 | } |
945 | ||
fca177d4 | 946 | if (tty->TS_del_multi_chars) |
08a24c47 | 947 | { |
50938595 | 948 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 949 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 950 | xfree (buf); |
08a24c47 JB |
951 | } |
952 | else | |
953 | for (i = 0; i < n; i++) | |
fca177d4 KL |
954 | OUTPUT1 (tty, tty->TS_del_char); |
955 | if (!tty->delete_in_insert_mode) | |
956 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
957 | } |
958 | \f | |
da8e1115 | 959 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 960 | |
ed8dad6b | 961 | static void |
385ed61f | 962 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 963 | { |
3224dac1 | 964 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
965 | const char *multi = |
966 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
967 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
968 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
969 | |
970 | register int i = n > 0 ? n : -n; | |
971 | register char *buf; | |
972 | ||
08a24c47 JB |
973 | /* If the lines below the insertion are being pushed |
974 | into the end of the window, this is the same as clearing; | |
975 | and we know the lines are already clear, since the matching | |
976 | deletion has already been done. So can ignore this. */ | |
977 | /* If the lines below the deletion are blank lines coming | |
978 | out of the end of the window, don't bother, | |
979 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
980 | if (FRAME_SCROLL_REGION_OK (f) |
981 | && vpos + i >= tty->specified_window) | |
08a24c47 | 982 | return; |
3224dac1 KL |
983 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
984 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 985 | return; |
f4d953fc | 986 | |
08a24c47 JB |
987 | if (multi) |
988 | { | |
6839f1e2 | 989 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 990 | tty_background_highlight (tty); |
50938595 | 991 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 992 | OUTPUT (tty, buf); |
9ac0d9e0 | 993 | xfree (buf); |
08a24c47 JB |
994 | } |
995 | else if (single) | |
996 | { | |
6839f1e2 | 997 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 998 | tty_background_highlight (tty); |
08a24c47 | 999 | while (--i >= 0) |
3224dac1 KL |
1000 | OUTPUT (tty, single); |
1001 | if (tty->TF_teleray) | |
1002 | curX (tty) = 0; | |
08a24c47 JB |
1003 | } |
1004 | else | |
1005 | { | |
ed8dad6b | 1006 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1007 | if (n < 0) |
6839f1e2 | 1008 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1009 | else |
6839f1e2 | 1010 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1011 | tty_background_highlight (tty); |
08a24c47 | 1012 | while (--i >= 0) |
3224dac1 | 1013 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1014 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1015 | } |
f4d953fc | 1016 | |
3224dac1 KL |
1017 | if (!FRAME_SCROLL_REGION_OK (f) |
1018 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1019 | && n < 0) | |
08a24c47 | 1020 | { |
385ed61f KL |
1021 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1022 | clear_to_end (f); | |
08a24c47 JB |
1023 | } |
1024 | } | |
1025 | \f | |
1026 | /* Compute cost of sending "str", in characters, | |
1027 | not counting any line-dependent padding. */ | |
1028 | ||
1029 | int | |
8ea90aa3 | 1030 | string_cost (const char *str) |
08a24c47 JB |
1031 | { |
1032 | cost = 0; | |
1033 | if (str) | |
1034 | tputs (str, 0, evalcost); | |
1035 | return cost; | |
1036 | } | |
1037 | ||
1038 | /* Compute cost of sending "str", in characters, | |
1039 | counting any line-dependent padding at one line. */ | |
1040 | ||
1041 | static int | |
8ea90aa3 | 1042 | string_cost_one_line (const char *str) |
08a24c47 JB |
1043 | { |
1044 | cost = 0; | |
1045 | if (str) | |
1046 | tputs (str, 1, evalcost); | |
1047 | return cost; | |
1048 | } | |
1049 | ||
1050 | /* Compute per line amount of line-dependent padding, | |
1051 | in tenths of characters. */ | |
1052 | ||
1053 | int | |
8ea90aa3 | 1054 | per_line_cost (const char *str) |
08a24c47 JB |
1055 | { |
1056 | cost = 0; | |
1057 | if (str) | |
1058 | tputs (str, 0, evalcost); | |
1059 | cost = - cost; | |
1060 | if (str) | |
1061 | tputs (str, 10, evalcost); | |
1062 | return cost; | |
1063 | } | |
1064 | ||
08a24c47 | 1065 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1066 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1067 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1068 | |
1069 | int *char_ins_del_vector; | |
1070 | ||
9882535b | 1071 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1072 | |
1073 | /* ARGSUSED */ | |
1074 | static void | |
6839f1e2 | 1075 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1076 | { |
28d7d09f | 1077 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1078 | int ins_startup_cost, del_startup_cost; |
1079 | int ins_cost_per_char, del_cost_per_char; | |
1080 | register int i; | |
1081 | register int *p; | |
1082 | ||
fca177d4 | 1083 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1084 | { |
1085 | ins_cost_per_char = 0; | |
fca177d4 | 1086 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1087 | } |
fca177d4 KL |
1088 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1089 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1090 | { |
fca177d4 KL |
1091 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1092 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1093 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1094 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1095 | } |
1096 | else | |
1097 | { | |
1098 | ins_startup_cost = 9999; | |
1099 | ins_cost_per_char = 0; | |
1100 | } | |
1101 | ||
fca177d4 | 1102 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1103 | { |
1104 | del_cost_per_char = 0; | |
fca177d4 | 1105 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1106 | } |
fca177d4 | 1107 | else if (tty->TS_del_char) |
08a24c47 | 1108 | { |
fca177d4 KL |
1109 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1110 | + string_cost (tty->TS_end_delete_mode)); | |
1111 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1112 | del_startup_cost /= 2; |
fca177d4 | 1113 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1114 | } |
1115 | else | |
1116 | { | |
1117 | del_startup_cost = 9999; | |
1118 | del_cost_per_char = 0; | |
1119 | } | |
1120 | ||
1121 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1122 | p = &char_ins_del_cost (f)[0]; |
1123 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1124 | *--p = (del_startup_cost += del_cost_per_char); |
1125 | ||
1126 | /* Doing nothing is free */ | |
fca177d4 | 1127 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1128 | *p++ = 0; |
1129 | ||
1130 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1131 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1132 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1133 | } | |
1134 | ||
dfcf069d | 1135 | void |
6839f1e2 | 1136 | calculate_costs (struct frame *frame) |
08a24c47 | 1137 | { |
9f732a77 | 1138 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1139 | |
28d440ab | 1140 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1141 | { |
1142 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1143 | register const char *f = (tty->TS_set_scroll_region |
1144 | ? tty->TS_set_scroll_region | |
1145 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1146 | |
daf01701 | 1147 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1148 | |
daf01701 | 1149 | tty->costs_set = 1; |
08a24c47 | 1150 | |
daf01701 KL |
1151 | /* These variables are only used for terminal stuff. They are |
1152 | allocated once for the terminal frame of X-windows emacs, but not | |
1153 | used afterwards. | |
8dd0c7cb | 1154 | |
daf01701 KL |
1155 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1156 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1157 | |
daf01701 | 1158 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1159 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1160 | < max_frame_cols) | |
fee31f82 | 1161 | memory_full (SIZE_MAX); |
08a24c47 | 1162 | |
0065d054 PE |
1163 | char_ins_del_vector = |
1164 | xrealloc (char_ins_del_vector, | |
1165 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1166 | |
72af86bd | 1167 | memset (char_ins_del_vector, 0, |
0065d054 | 1168 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1169 | |
daf01701 KL |
1170 | |
1171 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1172 | do_line_insertion_deletion_costs (frame, | |
1173 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1174 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1175 | f, f, 1); | |
1176 | else | |
1177 | do_line_insertion_deletion_costs (frame, | |
1178 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1179 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1180 | 0, 0, 1); | |
1181 | ||
1182 | calculate_ins_del_char_costs (frame); | |
1183 | ||
1184 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1185 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1186 | tty->RPov = string_cost (tty->TS_repeat); | |
1187 | else | |
1188 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1189 | |
daf01701 KL |
1190 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1191 | } | |
08a24c47 JB |
1192 | } |
1193 | \f | |
a796ac82 | 1194 | struct fkey_table { |
fbceeba2 | 1195 | const char *cap, *name; |
a796ac82 JB |
1196 | }; |
1197 | ||
01d8deb0 ER |
1198 | /* Termcap capability names that correspond directly to X keysyms. |
1199 | Some of these (marked "terminfo") aren't supplied by old-style | |
1200 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1201 | except we put the keypad keys first, so that if they clash with | |
1202 | other keys (as on the IBM PC keyboard) they get overridden. | |
1203 | */ | |
1204 | ||
648801d1 | 1205 | static const struct fkey_table keys[] = |
a168702a | 1206 | { |
8103ad1a PJ |
1207 | {"kh", "home"}, /* termcap */ |
1208 | {"kl", "left"}, /* termcap */ | |
1209 | {"ku", "up"}, /* termcap */ | |
1210 | {"kr", "right"}, /* termcap */ | |
1211 | {"kd", "down"}, /* termcap */ | |
1212 | {"%8", "prior"}, /* terminfo */ | |
1213 | {"%5", "next"}, /* terminfo */ | |
1214 | {"@7", "end"}, /* terminfo */ | |
1215 | {"@1", "begin"}, /* terminfo */ | |
1216 | {"*6", "select"}, /* terminfo */ | |
1217 | {"%9", "print"}, /* terminfo */ | |
1218 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1219 | /* |
1220 | * "insert" --- see below | |
1221 | */ | |
8103ad1a PJ |
1222 | {"&8", "undo"}, /* terminfo */ |
1223 | {"%0", "redo"}, /* terminfo */ | |
1224 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1225 | {"@0", "find"}, /* terminfo */ | |
1226 | {"@2", "cancel"}, /* terminfo */ | |
1227 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1228 | /* |
1229 | * "break" goes here, but can't be reliably intercepted with termcap | |
1230 | */ | |
8103ad1a | 1231 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1232 | /* |
1233 | * "system" and "user" --- no termcaps | |
1234 | */ | |
8103ad1a PJ |
1235 | {"kE", "clearline"}, /* terminfo */ |
1236 | {"kA", "insertline"}, /* terminfo */ | |
1237 | {"kL", "deleteline"}, /* terminfo */ | |
1238 | {"kI", "insertchar"}, /* terminfo */ | |
1239 | {"kD", "deletechar"}, /* terminfo */ | |
1240 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1241 | /* |
1242 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1243 | */ | |
8103ad1a | 1244 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1245 | /* |
1246 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1247 | * "kp-multiply", "kp-add", "kp-separator", | |
1248 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1249 | * --- no termcaps for any of these. | |
1250 | */ | |
8103ad1a | 1251 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1252 | /* |
1253 | * "kp-2" --- no termcap | |
1254 | */ | |
8103ad1a | 1255 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1256 | /* |
1257 | * "kp-4" --- no termcap | |
1258 | */ | |
8103ad1a | 1259 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1260 | /* |
1261 | * "kp-6" --- no termcap | |
1262 | */ | |
8103ad1a | 1263 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1264 | /* |
1265 | * "kp-8" --- no termcap | |
1266 | */ | |
8103ad1a | 1267 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1268 | /* |
1269 | * "kp-equal" --- no termcap | |
1270 | */ | |
8103ad1a PJ |
1271 | {"k1", "f1"}, |
1272 | {"k2", "f2"}, | |
1273 | {"k3", "f3"}, | |
1274 | {"k4", "f4"}, | |
1275 | {"k5", "f5"}, | |
1276 | {"k6", "f6"}, | |
1277 | {"k7", "f7"}, | |
1278 | {"k8", "f8"}, | |
60ec7b7e DN |
1279 | {"k9", "f9"}, |
1280 | ||
1281 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1282 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1283 | {"*0", "S-find"}, /*shifted find key*/ | |
1284 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1285 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1286 | {"*7", "S-end"}, /*shifted end key*/ | |
1287 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1288 | {"#1", "S-help"}, /*shifted help key*/ | |
1289 | {"#2", "S-home"}, /*shifted home key*/ | |
1290 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1291 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1292 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1293 | {"%c", "S-next"}, /*shifted next key*/ | |
1294 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1295 | {"%f", "S-print"}, /*shifted print key*/ | |
1296 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1297 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1298 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1299 | }; |
1300 | ||
361358ea | 1301 | #ifndef DOS_NT |
e7cf0fa0 KL |
1302 | static char **term_get_fkeys_address; |
1303 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1304 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1305 | |
4f4a84ec | 1306 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1307 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1308 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1309 | |
ed8dad6b | 1310 | static void |
d3da34e0 | 1311 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1312 | { |
1313 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1314 | errors during the call. The only errors should be from Fdefine_key | |
1315 | when given a key sequence containing an invalid prefix key. If the | |
1316 | termcap defines function keys which use a prefix that is already bound | |
1317 | to a command by the default bindings, we should silently ignore that | |
1318 | function key specification, rather than giving the user an error and | |
1319 | refusing to run at all on such a terminal. */ | |
1320 | ||
e7cf0fa0 KL |
1321 | term_get_fkeys_address = address; |
1322 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1323 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1324 | } | |
1325 | ||
1326 | static Lisp_Object | |
d3da34e0 | 1327 | term_get_fkeys_1 (void) |
5c2c7893 | 1328 | { |
5c2c7893 JB |
1329 | int i; |
1330 | ||
e7cf0fa0 KL |
1331 | char **address = term_get_fkeys_address; |
1332 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1333 | |
3e65092f | 1334 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 TT |
1335 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
1336 | KVAR (kboard, Vinput_decode_map) = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1337 | |
5c2c7893 JB |
1338 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1339 | { | |
1340 | char *sequence = tgetstr (keys[i].cap, address); | |
1341 | if (sequence) | |
1344aad4 | 1342 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1343 | Fmake_vector (make_number (1), |
1344 | intern (keys[i].name))); | |
5c2c7893 | 1345 | } |
a796ac82 JB |
1346 | |
1347 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1348 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1349 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1350 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1351 | */ | |
1352 | { | |
fbceeba2 PE |
1353 | const char *k_semi = tgetstr ("k;", address); |
1354 | const char *k0 = tgetstr ("k0", address); | |
1355 | const char *k0_name = "f10"; | |
a796ac82 JB |
1356 | |
1357 | if (k_semi) | |
1358 | { | |
95c11956 SM |
1359 | if (k0) |
1360 | /* Define f0 first, so that f10 takes precedence in case the | |
1361 | key sequences happens to be the same. */ | |
1344aad4 | 1362 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1363 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1364 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1365 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1366 | } |
95c11956 | 1367 | else if (k0) |
1344aad4 | 1368 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1369 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1370 | } |
01d8deb0 ER |
1371 | |
1372 | /* Set up cookies for numbered function keys above f10. */ | |
1373 | { | |
1374 | char fcap[3], fkey[4]; | |
1375 | ||
fc4f24da | 1376 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1377 | for (i = 11; i < 64; i++) |
1378 | { | |
1379 | if (i <= 19) | |
1380 | fcap[1] = '1' + i - 11; | |
1381 | else if (i <= 45) | |
b59ab95c | 1382 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1383 | else |
b59ab95c | 1384 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1385 | |
fc4f24da RS |
1386 | { |
1387 | char *sequence = tgetstr (fcap, address); | |
1388 | if (sequence) | |
1389 | { | |
465db27b | 1390 | sprintf (fkey, "f%d", i); |
1344aad4 | 1391 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1392 | Fmake_vector (make_number (1), |
1393 | intern (fkey))); | |
fc4f24da RS |
1394 | } |
1395 | } | |
01d8deb0 ER |
1396 | } |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * Various mappings to try and get a better fit. | |
1401 | */ | |
1402 | { | |
fc4f24da RS |
1403 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1404 | if (!tgetstr (cap1, address)) \ | |
1405 | { \ | |
1406 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1407 | if (sequence) \ |
1344aad4 | 1408 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1409 | Fmake_vector (make_number (1), \ |
1410 | intern (sym))); \ | |
fc4f24da | 1411 | } |
177c0ea7 | 1412 | |
01d8deb0 | 1413 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1414 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1415 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1416 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1417 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1418 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1419 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1420 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1421 | |
1422 | /* IBM has their own non-standard dialect of terminfo. | |
1423 | If the standard name isn't found, try the IBM name. */ | |
1424 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1425 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1426 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1427 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1428 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1429 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1430 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1431 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1432 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1433 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1434 | } |
a168702a GM |
1435 | |
1436 | return Qnil; | |
5c2c7893 | 1437 | } |
361358ea | 1438 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1439 | |
1440 | \f | |
a168702a GM |
1441 | /*********************************************************************** |
1442 | Character Display Information | |
1443 | ***********************************************************************/ | |
f57e2426 | 1444 | static void append_glyph (struct it *); |
f57e2426 J |
1445 | static void append_composite_glyph (struct it *); |
1446 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1447 | static void append_glyphless_glyph (struct it *, int, const char *); |
b18fad6d | 1448 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); |
a168702a GM |
1449 | |
1450 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1451 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1452 | the character for which to produce glyphs; IT->face_id contains the | |
1453 | character's face. Padding glyphs are appended if IT->c has a | |
1454 | IT->pixel_width > 1. */ | |
177c0ea7 | 1455 | |
a168702a | 1456 | static void |
d3da34e0 | 1457 | append_glyph (struct it *it) |
a168702a GM |
1458 | { |
1459 | struct glyph *glyph, *end; | |
1460 | int i; | |
1461 | ||
a54e2c05 | 1462 | eassert (it->glyph_row); |
a168702a GM |
1463 | glyph = (it->glyph_row->glyphs[it->area] |
1464 | + it->glyph_row->used[it->area]); | |
1465 | end = it->glyph_row->glyphs[1 + it->area]; | |
1466 | ||
5e65aec0 EZ |
1467 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1468 | than append it. */ | |
1469 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1470 | { | |
1471 | struct glyph *g; | |
1472 | int move_by = it->pixel_width; | |
1473 | ||
1474 | /* Make room for the new glyphs. */ | |
1475 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1476 | move_by = end - glyph; | |
1477 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1478 | g[move_by] = *g; | |
1479 | glyph = it->glyph_row->glyphs[it->area]; | |
1480 | end = glyph + move_by; | |
1481 | } | |
1482 | ||
1483 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1484 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1485 | identical, and (b) the PADDING_P flag needs to be set for the | |
1486 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1487 | for (i = 0; |
1488 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1489 | ++i) |
1490 | { | |
1491 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1492 | glyph->pixel_width = 1; |
d2b4c17d | 1493 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1494 | glyph->face_id = it->face_id; |
1495 | glyph->padding_p = i > 0; | |
a168702a GM |
1496 | glyph->charpos = CHARPOS (it->position); |
1497 | glyph->object = it->object; | |
5e65aec0 EZ |
1498 | if (it->bidi_p) |
1499 | { | |
1500 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1501 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1502 | abort (); | |
5e65aec0 EZ |
1503 | glyph->bidi_type = it->bidi_it.type; |
1504 | } | |
9443b3c7 EZ |
1505 | else |
1506 | { | |
1507 | glyph->resolved_level = 0; | |
1508 | glyph->bidi_type = UNKNOWN_BT; | |
1509 | } | |
177c0ea7 | 1510 | |
a168702a GM |
1511 | ++it->glyph_row->used[it->area]; |
1512 | ++glyph; | |
1513 | } | |
1514 | } | |
1515 | ||
148ae00e EZ |
1516 | /* For external use. */ |
1517 | void | |
1518 | tty_append_glyph (struct it *it) | |
1519 | { | |
1520 | append_glyph (it); | |
1521 | } | |
1522 | ||
1523 | ||
b50fe468 RS |
1524 | /* Produce glyphs for the display element described by IT. *IT |
1525 | specifies what we want to produce a glyph for (character, image, ...), | |
1526 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1527 | produce_glyphs fills in output fields of *IT with information such as the | |
1528 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1529 | the same time if IT->glyph_row is non-null. For an overview, see |
1530 | the explanation in dispextern.h, before the definition of the | |
1531 | display_element_type enumeration. | |
b50fe468 RS |
1532 | |
1533 | produce_glyphs also stores the result of glyph width, ascent | |
1534 | etc. computations in *IT. | |
1535 | ||
1536 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1537 | actually fill in the glyphs. This is used in the move_* functions | |
1538 | in xdisp.c for text width and height computations. | |
1539 | ||
1540 | Callers usually don't call produce_glyphs directly; | |
1541 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1542 | |
177c0ea7 | 1543 | void |
d3da34e0 | 1544 | produce_glyphs (struct it *it) |
a168702a GM |
1545 | { |
1546 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1547 | |
1548 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1549 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1550 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1551 | || it->what == IT_STRETCH |
1552 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1553 | |
6b61353c KH |
1554 | if (it->what == IT_STRETCH) |
1555 | { | |
1556 | produce_stretch_glyph (it); | |
1557 | goto done; | |
1558 | } | |
1559 | ||
4c12d738 KH |
1560 | if (it->what == IT_COMPOSITION) |
1561 | { | |
1562 | produce_composite_glyph (it); | |
1563 | goto done; | |
1564 | } | |
a168702a | 1565 | |
b18fad6d KH |
1566 | if (it->what == IT_GLYPHLESS) |
1567 | { | |
1568 | produce_glyphless_glyph (it, 0, Qnil); | |
1569 | goto done; | |
1570 | } | |
1571 | ||
d419e1d9 | 1572 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1573 | { |
1574 | it->pixel_width = it->nglyphs = 1; | |
1575 | if (it->glyph_row) | |
1576 | append_glyph (it); | |
1577 | } | |
d419e1d9 | 1578 | else if (it->char_to_display == '\n') |
a168702a | 1579 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1580 | else if (it->char_to_display == '\t') |
a168702a | 1581 | { |
2efdbcdd | 1582 | int absolute_x = (it->current_x |
a168702a | 1583 | + it->continuation_lines_width); |
177c0ea7 JB |
1584 | int next_tab_x |
1585 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1586 | / it->tab_width) |
1587 | * it->tab_width); | |
1588 | int nspaces; | |
1589 | ||
1590 | /* If part of the TAB has been displayed on the previous line | |
1591 | which is continued now, continuation_lines_width will have | |
1592 | been incremented already by the part that fitted on the | |
1593 | continued line. So, we will get the right number of spaces | |
1594 | here. */ | |
1595 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1596 | |
a168702a GM |
1597 | if (it->glyph_row) |
1598 | { | |
1599 | int n = nspaces; | |
177c0ea7 | 1600 | |
d2b4c17d | 1601 | it->char_to_display = ' '; |
a168702a | 1602 | it->pixel_width = it->len = 1; |
177c0ea7 | 1603 | |
a168702a GM |
1604 | while (n--) |
1605 | append_glyph (it); | |
a168702a GM |
1606 | } |
1607 | ||
1608 | it->pixel_width = nspaces; | |
1609 | it->nglyphs = nspaces; | |
1610 | } | |
d419e1d9 | 1611 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1612 | { |
d419e1d9 KH |
1613 | /* Coming here means that we must send the raw 8-bit byte as is |
1614 | to the terminal. Although there's no way to know how many | |
1615 | columns it occupies on a screen, it is a good assumption that | |
1616 | a single byte code has 1-column width. */ | |
1617 | it->pixel_width = it->nglyphs = 1; | |
1618 | if (it->glyph_row) | |
1619 | append_glyph (it); | |
add44890 | 1620 | } |
a168702a GM |
1621 | else |
1622 | { | |
b18fad6d | 1623 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1624 | |
b18fad6d KH |
1625 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1626 | { | |
1627 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1628 | it->nglyphs = it->pixel_width; | |
1629 | if (it->glyph_row) | |
1630 | append_glyph (it); | |
1631 | } | |
1632 | else | |
1633 | { | |
1634 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1635 | ||
a54e2c05 | 1636 | eassert (it->what == IT_GLYPHLESS); |
b18fad6d KH |
1637 | produce_glyphless_glyph (it, 1, acronym); |
1638 | } | |
a168702a GM |
1639 | } |
1640 | ||
6b61353c | 1641 | done: |
177c0ea7 | 1642 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1643 | the caller. */ |
1644 | if (it->area == TEXT_AREA) | |
1645 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1646 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1647 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1648 | } |
1649 | ||
4c12d738 KH |
1650 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1651 | Called from produce_composite_glyph for terminal frames if | |
1652 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1653 | face. */ | |
1654 | ||
1655 | static void | |
d3da34e0 | 1656 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1657 | { |
1658 | struct glyph *glyph; | |
1659 | ||
a54e2c05 | 1660 | eassert (it->glyph_row); |
4c12d738 KH |
1661 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1662 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1663 | { | |
93d68d0c EZ |
1664 | /* If the glyph row is reversed, we need to prepend the glyph |
1665 | rather than append it. */ | |
1666 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1667 | { | |
1668 | struct glyph *g; | |
1669 | ||
1670 | /* Make room for the new glyph. */ | |
1671 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1672 | g[1] = *g; | |
1673 | glyph = it->glyph_row->glyphs[it->area]; | |
1674 | } | |
4c12d738 KH |
1675 | glyph->type = COMPOSITE_GLYPH; |
1676 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1677 | glyph->u.cmp.id = it->cmp_it.id; |
1678 | if (it->cmp_it.ch < 0) | |
1679 | { | |
1680 | glyph->u.cmp.automatic = 0; | |
1681 | glyph->u.cmp.id = it->cmp_it.id; | |
1682 | } | |
1683 | else | |
1684 | { | |
1685 | glyph->u.cmp.automatic = 1; | |
1686 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1687 | glyph->slice.cmp.from = it->cmp_it.from; |
1688 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1689 | } |
1690 | ||
4c12d738 KH |
1691 | glyph->face_id = it->face_id; |
1692 | glyph->padding_p = 0; | |
1693 | glyph->charpos = CHARPOS (it->position); | |
1694 | glyph->object = it->object; | |
93d68d0c EZ |
1695 | if (it->bidi_p) |
1696 | { | |
1697 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1698 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1699 | abort (); | |
1700 | glyph->bidi_type = it->bidi_it.type; | |
1701 | } | |
1702 | else | |
1703 | { | |
1704 | glyph->resolved_level = 0; | |
1705 | glyph->bidi_type = UNKNOWN_BT; | |
1706 | } | |
4c12d738 KH |
1707 | |
1708 | ++it->glyph_row->used[it->area]; | |
1709 | ++glyph; | |
1710 | } | |
1711 | } | |
1712 | ||
1713 | ||
1714 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1715 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1716 | assuming that the terminal has a capability to layout/render it |
1717 | correctly. */ | |
4c12d738 KH |
1718 | |
1719 | static void | |
d3da34e0 | 1720 | produce_composite_glyph (struct it *it) |
4c12d738 | 1721 | { |
75a10786 KH |
1722 | if (it->cmp_it.ch < 0) |
1723 | { | |
1724 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1725 | ||
d0984aff | 1726 | it->pixel_width = cmp->width; |
75a10786 KH |
1727 | } |
1728 | else | |
1729 | { | |
1730 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1731 | |
75a10786 KH |
1732 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1733 | it->cmp_it.to, NULL); | |
1734 | } | |
1735 | it->nglyphs = 1; | |
4c12d738 KH |
1736 | if (it->glyph_row) |
1737 | append_composite_glyph (it); | |
1738 | } | |
1739 | ||
1740 | ||
b18fad6d | 1741 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1742 | is a face ID to be used for the glyph. What is actually appended |
1743 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1744 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1745 | |
1746 | static void | |
fbceeba2 | 1747 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1748 | { |
1749 | struct glyph *glyph, *end; | |
b18fad6d KH |
1750 | int i; |
1751 | ||
a54e2c05 | 1752 | eassert (it->glyph_row); |
b18fad6d KH |
1753 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1754 | end = it->glyph_row->glyphs[1 + it->area]; | |
1755 | ||
1756 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1757 | than append it. */ | |
1758 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1759 | { | |
1760 | struct glyph *g; | |
1761 | int move_by = it->pixel_width; | |
1762 | ||
1763 | /* Make room for the new glyphs. */ | |
1764 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1765 | move_by = end - glyph; | |
1766 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1767 | g[move_by] = *g; | |
1768 | glyph = it->glyph_row->glyphs[it->area]; | |
1769 | end = glyph + move_by; | |
1770 | } | |
1771 | ||
1772 | if (glyph >= end) | |
1773 | return; | |
1774 | glyph->type = CHAR_GLYPH; | |
1775 | glyph->pixel_width = 1; | |
1776 | glyph->face_id = face_id; | |
1777 | glyph->padding_p = 0; | |
1778 | glyph->charpos = CHARPOS (it->position); | |
1779 | glyph->object = it->object; | |
1780 | if (it->bidi_p) | |
1781 | { | |
1782 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1783 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1784 | abort (); | |
1785 | glyph->bidi_type = it->bidi_it.type; | |
1786 | } | |
1787 | else | |
1788 | { | |
1789 | glyph->resolved_level = 0; | |
1790 | glyph->bidi_type = UNKNOWN_BT; | |
1791 | } | |
1792 | ||
1793 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1794 | the REVERSED_P case because we write to the terminal | |
1795 | left-to-right. */ | |
1796 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1797 | { | |
1798 | if (i > 0) | |
1799 | glyph[0] = glyph[-1]; | |
1800 | glyph->u.ch = str[i]; | |
1801 | ++it->glyph_row->used[it->area]; | |
1802 | ++glyph; | |
1803 | } | |
1804 | } | |
1805 | ||
b18fad6d KH |
1806 | /* Produce glyphs for a glyphless character for iterator IT. |
1807 | IT->glyphless_method specifies which method to use for displaying | |
1808 | the character. See the description of enum | |
0eb025fb | 1809 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1810 | |
1811 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
22bcf204 | 1812 | is not supported by the coding system of the terminal. ACRONYM, if |
b18fad6d KH |
1813 | non-nil, is an acronym string for the character. |
1814 | ||
1815 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1816 | ||
1817 | static void | |
1818 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1819 | { | |
1820 | int face_id; | |
0eb025fb | 1821 | int len; |
80f2e268 | 1822 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1823 | char const *str = " "; |
b18fad6d KH |
1824 | |
1825 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1826 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1827 | if (it->f == last_glyphless_glyph_frame |
1828 | && it->face_id == last_glyphless_glyph_face_id) | |
1829 | { | |
1830 | face_id = last_glyphless_glyph_merged_face_id; | |
1831 | } | |
1832 | else | |
1833 | { | |
1834 | /* Merge the `glyphless-char' face into the current face. */ | |
1835 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1836 | last_glyphless_glyph_frame = it->f; | |
1837 | last_glyphless_glyph_face_id = it->face_id; | |
1838 | last_glyphless_glyph_merged_face_id = face_id; | |
1839 | } | |
1840 | ||
1841 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1842 | { | |
0eb025fb EZ |
1843 | /* As there's no way to produce a thin space, we produce a space |
1844 | of canonical width. */ | |
b18fad6d KH |
1845 | len = 1; |
1846 | } | |
1847 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1848 | { | |
1849 | len = CHAR_WIDTH (it->c); | |
1850 | if (len == 0) | |
1851 | len = 1; | |
0eb025fb | 1852 | else if (len > 4) |
b18fad6d | 1853 | len = 4; |
99027bdd | 1854 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1855 | str = buf; |
b18fad6d KH |
1856 | } |
1857 | else | |
1858 | { | |
1859 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1860 | { | |
b18fad6d KH |
1861 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1862 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1863 | if (CONSP (acronym)) |
1864 | acronym = XCDR (acronym); | |
b18fad6d | 1865 | buf[0] = '['; |
51b59d79 | 1866 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1867 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1868 | buf[1 + len] = str[len]; | |
1869 | buf[1 + len] = ']'; | |
1870 | len += 2; | |
1871 | } | |
1872 | else | |
1873 | { | |
a54e2c05 | 1874 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1875 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1876 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1877 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1878 | } |
1879 | str = buf; | |
1880 | } | |
1881 | ||
1882 | it->pixel_width = len; | |
1883 | it->nglyphs = len; | |
d284567f | 1884 | if (it->glyph_row) |
b18fad6d KH |
1885 | append_glyphless_glyph (it, face_id, str); |
1886 | } | |
1887 | ||
1888 | ||
a168702a GM |
1889 | /* Get information about special display element WHAT in an |
1890 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1891 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1892 | non-null glyph_row member. This function ensures that fields like | |
1893 | face_id, c, len of IT are left untouched. */ | |
1894 | ||
1895 | void | |
d3da34e0 | 1896 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
1897 | { |
1898 | struct it temp_it; | |
f4d953fc | 1899 | Lisp_Object gc; |
072d84a6 | 1900 | GLYPH glyph; |
177c0ea7 | 1901 | |
a168702a GM |
1902 | temp_it = *it; |
1903 | temp_it.dp = NULL; | |
1904 | temp_it.what = IT_CHARACTER; | |
1905 | temp_it.len = 1; | |
7c752c80 | 1906 | temp_it.object = make_number (0); |
72af86bd | 1907 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
1908 | |
1909 | if (what == IT_CONTINUATION) | |
1910 | { | |
26cdf528 EZ |
1911 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
1912 | if (it->bidi_it.paragraph_dir == R2L) | |
1913 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
1914 | else | |
1915 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 1916 | if (it->dp |
d311d28c | 1917 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc))) |
a168702a | 1918 | { |
26cdf528 | 1919 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
1920 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1921 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1922 | } |
a168702a GM |
1923 | } |
1924 | else if (what == IT_TRUNCATION) | |
1925 | { | |
1926 | /* Truncation glyph. */ | |
f4d953fc | 1927 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1928 | if (it->dp |
d311d28c | 1929 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc))) |
a168702a | 1930 | { |
26cdf528 | 1931 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
1932 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1933 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1934 | } |
a168702a GM |
1935 | } |
1936 | else | |
1937 | abort (); | |
072d84a6 | 1938 | |
d419e1d9 | 1939 | temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph); |
f4d953fc | 1940 | temp_it.face_id = GLYPH_FACE (glyph); |
072d84a6 RS |
1941 | temp_it.len = CHAR_BYTES (temp_it.c); |
1942 | ||
1943 | produce_glyphs (&temp_it); | |
1944 | it->pixel_width = temp_it.pixel_width; | |
1945 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1946 | } |
1947 | ||
1948 | ||
a168702a GM |
1949 | \f |
1950 | /*********************************************************************** | |
1951 | Faces | |
1952 | ***********************************************************************/ | |
1953 | ||
4e6ba4a4 GM |
1954 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1955 | one of the enumerators from enum no_color_bit, or a bit set built | |
1956 | from them. Some display attributes may not be used together with | |
1957 | color; the termcap capability `NC' specifies which ones. */ | |
1958 | ||
fca177d4 KL |
1959 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1960 | (tty->TN_max_colors > 0 \ | |
1961 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1962 | : 1) | |
a168702a | 1963 | |
072d84a6 RS |
1964 | /* Turn appearances of face FACE_ID on tty frame F on. |
1965 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1966 | |
1967 | static void | |
d3da34e0 | 1968 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1969 | { |
1970 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1971 | long fg = face->foreground; |
1972 | long bg = face->background; | |
28d7d09f | 1973 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1974 | |
86a7d192 GM |
1975 | /* Do this first because TS_end_standout_mode may be the same |
1976 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1977 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1978 | { |
fca177d4 | 1979 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1980 | { |
1981 | if (fg >= 0 && bg >= 0) | |
1982 | { | |
1983 | /* If the terminal supports colors, we can set them | |
1984 | below without using reverse video. The face's fg | |
1985 | and bg colors are set as they should appear on | |
1986 | the screen, i.e. they take the inverse-video'ness | |
1987 | of the face already into account. */ | |
1988 | } | |
1989 | else if (inverse_video) | |
1990 | { | |
1991 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1992 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1993 | tty_toggle_highlight (tty); |
86a7d192 GM |
1994 | } |
1995 | else | |
1996 | { | |
1997 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1998 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1999 | tty_toggle_highlight (tty); |
86a7d192 GM |
2000 | } |
2001 | } | |
2002 | else | |
2003 | { | |
2004 | /* If we can't display colors, use reverse video | |
2005 | if the face specifies that. */ | |
37526b42 GM |
2006 | if (inverse_video) |
2007 | { | |
2008 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2009 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2010 | tty_toggle_highlight (tty); |
37526b42 GM |
2011 | } |
2012 | else | |
2013 | { | |
2014 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2015 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2016 | tty_toggle_highlight (tty); |
37526b42 | 2017 | } |
86a7d192 GM |
2018 | } |
2019 | } | |
a168702a | 2020 | |
4189ed40 CY |
2021 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2022 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2023 | ||
cd4eb164 CY |
2024 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
2025 | { | |
2026 | if (tty->TS_enter_italic_mode) | |
2027 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
2028 | else | |
2029 | /* Italics mode is unavailable on many terminals. In that | |
2030 | case, map slant to dimmed text; we want italic text to | |
2031 | appear different and dimming is not otherwise used. */ | |
2032 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
2033 | } | |
a168702a | 2034 | |
fca177d4 KL |
2035 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2036 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2037 | |
fca177d4 | 2038 | if (tty->TN_max_colors > 0) |
a168702a | 2039 | { |
fbceeba2 PE |
2040 | const char *ts; |
2041 | char *p; | |
177c0ea7 | 2042 | |
fbf34973 | 2043 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2044 | if (fg >= 0 && ts) |
a168702a | 2045 | { |
50938595 | 2046 | p = tparam (ts, NULL, 0, (int) fg, 0, 0, 0); |
6548cf00 | 2047 | OUTPUT (tty, p); |
a168702a GM |
2048 | xfree (p); |
2049 | } | |
2050 | ||
fbf34973 | 2051 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2052 | if (bg >= 0 && ts) |
a168702a | 2053 | { |
50938595 | 2054 | p = tparam (ts, NULL, 0, (int) bg, 0, 0, 0); |
6548cf00 | 2055 | OUTPUT (tty, p); |
a168702a GM |
2056 | xfree (p); |
2057 | } | |
2058 | } | |
2059 | } | |
177c0ea7 | 2060 | |
a168702a GM |
2061 | |
2062 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2063 | ||
2064 | static void | |
d3da34e0 | 2065 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2066 | { |
2067 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2068 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2069 | |
a54e2c05 | 2070 | eassert (face != NULL); |
a168702a | 2071 | |
fca177d4 | 2072 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2073 | { |
2074 | /* Capability "me" will turn off appearance modes double-bright, | |
2075 | half-bright, reverse-video, standout, underline. It may or | |
2076 | may not turn off alt-char-mode. */ | |
2077 | if (face->tty_bold_p | |
cd4eb164 | 2078 | || face->tty_italic_p |
a168702a | 2079 | || face->tty_reverse_p |
a168702a | 2080 | || face->tty_underline_p) |
65aa5e85 | 2081 | { |
fca177d4 KL |
2082 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2083 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2084 | tty->standout_mode = 0; | |
65aa5e85 | 2085 | } |
a168702a GM |
2086 | } |
2087 | else | |
2088 | { | |
2089 | /* If we don't have "me" we can only have those appearances | |
2090 | that have exit sequences defined. */ | |
54800acb | 2091 | if (face->tty_underline_p) |
fca177d4 | 2092 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2093 | } |
2094 | ||
2095 | /* Switch back to default colors. */ | |
fca177d4 | 2096 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2097 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2098 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2099 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2100 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2101 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2102 | } |
177c0ea7 JB |
2103 | |
2104 | ||
b63a55ac MB |
2105 | /* Return non-zero if the terminal on frame F supports all of the |
2106 | capabilities in CAPS simultaneously, with foreground and background | |
2107 | colors FG and BG. */ | |
2108 | ||
4a8130f2 | 2109 | int |
d3da34e0 JB |
2110 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2111 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2112 | { |
fca177d4 KL |
2113 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2114 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2115 | return 0; |
2116 | ||
fca177d4 KL |
2117 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2118 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2119 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2120 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2121 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2122 | |
2123 | /* We can do it! */ | |
2124 | return 1; | |
2125 | } | |
2126 | ||
a168702a GM |
2127 | /* Return non-zero if the terminal is capable to display colors. */ |
2128 | ||
2129 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2130 | 0, 1, 0, |
6ed8eeff KL |
2131 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2132 | ||
401e9e57 CY |
2133 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2134 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2135 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2136 | (Lisp_Object terminal) |
a168702a | 2137 | { |
717a00ef | 2138 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2139 | if (!t) |
428a555e | 2140 | return Qnil; |
3224dac1 | 2141 | else |
6ed8eeff | 2142 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2143 | } |
2144 | ||
bfa62f96 EZ |
2145 | /* Return the number of supported colors. */ |
2146 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2147 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2148 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2149 | ||
401e9e57 CY |
2150 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2151 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2152 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2153 | (Lisp_Object terminal) |
bfa62f96 | 2154 | { |
717a00ef | 2155 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2156 | if (!t) |
8c8d5f35 | 2157 | return make_number (0); |
3224dac1 | 2158 | else |
6ed8eeff | 2159 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2160 | } |
2161 | ||
84704c5c | 2162 | #ifndef DOS_NT |
a168702a | 2163 | |
5205ee62 GM |
2164 | /* Declare here rather than in the function, as in the rest of Emacs, |
2165 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2166 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2167 | static int default_max_colors; |
2168 | static int default_max_pairs; | |
2169 | static int default_no_color_video; | |
2170 | static char *default_orig_pair; | |
2171 | static char *default_set_foreground; | |
2172 | static char *default_set_background; | |
fcf8ff2e | 2173 | |
ace28297 EZ |
2174 | /* Save or restore the default color-related capabilities of this |
2175 | terminal. */ | |
2176 | static void | |
28d7d09f | 2177 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2178 | { |
ace28297 EZ |
2179 | |
2180 | if (save) | |
2181 | { | |
70fdbb46 | 2182 | xfree (default_orig_pair); |
fca177d4 | 2183 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2184 | |
70fdbb46 | 2185 | xfree (default_set_foreground); |
fca177d4 | 2186 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2187 | : NULL; |
2188 | ||
70fdbb46 | 2189 | xfree (default_set_background); |
fca177d4 | 2190 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2191 | : NULL; |
2192 | ||
fca177d4 KL |
2193 | default_max_colors = tty->TN_max_colors; |
2194 | default_max_pairs = tty->TN_max_pairs; | |
2195 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2196 | } |
2197 | else | |
2198 | { | |
fca177d4 KL |
2199 | tty->TS_orig_pair = default_orig_pair; |
2200 | tty->TS_set_foreground = default_set_foreground; | |
2201 | tty->TS_set_background = default_set_background; | |
2202 | tty->TN_max_colors = default_max_colors; | |
2203 | tty->TN_max_pairs = default_max_pairs; | |
2204 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2205 | } |
2206 | } | |
2207 | ||
2208 | /* Setup one of the standard tty color schemes according to MODE. | |
2209 | MODE's value is generally the number of colors which we want to | |
2210 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2211 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2212 | static void |
28d7d09f | 2213 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2214 | { |
6b61353c KH |
2215 | /* Canonicalize all negative values of MODE. */ |
2216 | if (mode < -1) | |
2217 | mode = -1; | |
2218 | ||
ace28297 EZ |
2219 | switch (mode) |
2220 | { | |
2221 | case -1: /* no colors at all */ | |
fca177d4 KL |
2222 | tty->TN_max_colors = 0; |
2223 | tty->TN_max_pairs = 0; | |
2224 | tty->TN_no_color_video = 0; | |
2225 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2226 | break; |
2227 | case 0: /* default colors, if any */ | |
2228 | default: | |
fca177d4 | 2229 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2230 | break; |
2231 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2232 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2233 | #ifdef TERMINFO |
fca177d4 KL |
2234 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2235 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2236 | #else |
fca177d4 KL |
2237 | tty->TS_set_foreground = "\033[3%dm"; |
2238 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2239 | #endif |
fca177d4 KL |
2240 | tty->TN_max_colors = 8; |
2241 | tty->TN_max_pairs = 64; | |
2242 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2243 | break; |
2244 | } | |
2245 | } | |
2246 | ||
2247 | void | |
d3da34e0 | 2248 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2249 | { |
ce5b453a | 2250 | Lisp_Object tem, val; |
9b2cd403 SM |
2251 | Lisp_Object color_mode; |
2252 | int mode; | |
9b2cd403 SM |
2253 | Lisp_Object tty_color_mode_alist |
2254 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2255 | |
c23b5410 | 2256 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2257 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2258 | |
6b61353c | 2259 | if (INTEGERP (val)) |
ace28297 | 2260 | color_mode = val; |
ce5b453a | 2261 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2262 | { |
ce5b453a | 2263 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2264 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2265 | } |
ce5b453a SM |
2266 | else |
2267 | color_mode = Qnil; | |
6b61353c | 2268 | |
d311d28c | 2269 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2270 | |
9b2cd403 | 2271 | if (mode != tty->previous_color_mode) |
ace28297 | 2272 | { |
9b2cd403 SM |
2273 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2274 | tty->previous_color_mode = mode; | |
2275 | tty_setup_colors (tty , mode); | |
2276 | /* This recomputes all the faces given the new color definitions. */ | |
2277 | safe_call (1, &funsym); | |
ace28297 EZ |
2278 | } |
2279 | } | |
2280 | ||
84704c5c | 2281 | #endif /* !DOS_NT */ |
a168702a GM |
2282 | |
2283 | \f | |
28d440ab | 2284 | |
6ed8eeff | 2285 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2286 | |
64520e5c | 2287 | static struct terminal * |
717a00ef | 2288 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2289 | { |
717a00ef | 2290 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2291 | |
84704c5c | 2292 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2293 | { |
2294 | if (throw) | |
2295 | error ("Device %d is not a termcap terminal device", t->id); | |
2296 | else | |
2297 | return NULL; | |
2298 | } | |
b6660415 | 2299 | |
6ed8eeff | 2300 | return t; |
b6660415 KL |
2301 | } |
2302 | ||
ab797f65 KL |
2303 | /* Return an active termcap device that uses the tty device with the |
2304 | given name. | |
b6660415 | 2305 | |
7e59217d | 2306 | This function ignores suspended devices. |
da8e1115 KL |
2307 | |
2308 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2309 | |
6ed8eeff | 2310 | struct terminal * |
8ea90aa3 | 2311 | get_named_tty (const char *name) |
28d440ab | 2312 | { |
6ed8eeff KL |
2313 | struct terminal *t; |
2314 | ||
ab797f65 KL |
2315 | if (!name) |
2316 | abort (); | |
2317 | ||
2318 | for (t = terminal_list; t; t = t->next_terminal) | |
2319 | { | |
5cc67f65 | 2320 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2321 | && !strcmp (t->display_info.tty->name, name) |
2322 | && TERMINAL_ACTIVE_P (t)) | |
2323 | return t; | |
2324 | } | |
28d440ab KL |
2325 | |
2326 | return 0; | |
2327 | } | |
2328 | ||
2329 | \f | |
a7ca3326 | 2330 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2331 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2332 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2333 | |
401e9e57 CY |
2334 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2335 | selected frame's terminal). */) | |
5842a27b | 2336 | (Lisp_Object terminal) |
b6660415 | 2337 | { |
6ed8eeff | 2338 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2339 | |
84704c5c | 2340 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2341 | return Qnil; |
2342 | ||
6ed8eeff KL |
2343 | if (t->display_info.tty->type) |
2344 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2345 | else |
2346 | return Qnil; | |
2347 | } | |
2348 | ||
6ed8eeff | 2349 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2350 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2351 | |
401e9e57 CY |
2352 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2353 | selected frame's terminal). This function always returns nil if | |
2354 | TERMINAL is not on a tty device. */) | |
5842a27b | 2355 | (Lisp_Object terminal) |
4a933ef8 | 2356 | { |
6ed8eeff | 2357 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2358 | |
84704c5c EZ |
2359 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2360 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2361 | return Qnil; |
2362 | else | |
2363 | return Qt; | |
2364 | } | |
2365 | ||
a3fbb897 | 2366 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2367 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2368 | This is used to override the terminfo data, for certain terminals that |
2369 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2370 | no effect if used on a non-tty terminal. |
a3fbb897 | 2371 | |
401e9e57 CY |
2372 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2373 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2374 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2375 | (Lisp_Object terminal) |
a3fbb897 | 2376 | { |
6ed8eeff | 2377 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2378 | |
6ed8eeff KL |
2379 | if (t->type == output_termcap) |
2380 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2381 | return Qnil; |
2382 | } | |
2383 | ||
c6bf3022 CY |
2384 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2385 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2386 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2387 | selected frame's terminal). This function returns nil if TERMINAL | |
2388 | does not refer to a text terminal. Otherwise, it returns the | |
2389 | top-most frame on the text terminal. */) | |
2390 | (Lisp_Object terminal) | |
2391 | { | |
2392 | struct terminal *t = get_terminal (terminal, 1); | |
2393 | ||
2394 | if (t->type == output_termcap) | |
2395 | return t->display_info.tty->top_frame; | |
2396 | return Qnil; | |
2397 | } | |
2398 | ||
ed8dad6b KL |
2399 | \f |
2400 | ||
2401 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2402 | doc: /* Suspend the terminal device TTY. | |
2403 | ||
2404 | The device is restored to its default state, and Emacs ceases all | |
2405 | access to the tty device. Frames that use the device are not deleted, | |
2406 | but input is not read from them and if they change, their display is | |
2407 | not updated. | |
2408 | ||
401e9e57 CY |
2409 | TTY may be a terminal object, a frame, or nil for the terminal device |
2410 | of the currently selected frame. | |
ed8dad6b | 2411 | |
e4019195 | 2412 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2413 | device. The functions are run with one arg, the id of the suspended |
2414 | terminal device. | |
2415 | ||
2416 | `suspend-tty' does nothing if it is called on a device that is already | |
2417 | suspended. | |
2418 | ||
2419 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2420 | (Lisp_Object tty) |
ed8dad6b | 2421 | { |
717a00ef | 2422 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2423 | FILE *f; |
f4d953fc | 2424 | |
6ed8eeff | 2425 | if (!t) |
ed8dad6b KL |
2426 | error ("Unknown tty device"); |
2427 | ||
6ed8eeff | 2428 | f = t->display_info.tty->input; |
f4d953fc | 2429 | |
ed8dad6b KL |
2430 | if (f) |
2431 | { | |
23d4cba5 DN |
2432 | /* First run `suspend-tty-functions' and then clean up the tty |
2433 | state because `suspend-tty-functions' might need to change | |
2434 | the tty state. */ | |
dee091a3 JD |
2435 | Lisp_Object args[2]; |
2436 | args[0] = intern ("suspend-tty-functions"); | |
2437 | XSETTERMINAL (args[1], t); | |
2438 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2439 | |
6ed8eeff | 2440 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2441 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2442 | |
84704c5c | 2443 | #ifndef MSDOS |
ed8dad6b | 2444 | fclose (f); |
6ed8eeff KL |
2445 | if (f != t->display_info.tty->output) |
2446 | fclose (t->display_info.tty->output); | |
84704c5c | 2447 | #endif |
f4d953fc | 2448 | |
6ed8eeff KL |
2449 | t->display_info.tty->input = 0; |
2450 | t->display_info.tty->output = 0; | |
ed8dad6b | 2451 | |
6ed8eeff KL |
2452 | if (FRAMEP (t->display_info.tty->top_frame)) |
2453 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2454 | |
ed8dad6b KL |
2455 | } |
2456 | ||
4a665758 KL |
2457 | /* Clear display hooks to prevent further output. */ |
2458 | clear_tty_hooks (t); | |
2459 | ||
ed8dad6b KL |
2460 | return Qnil; |
2461 | } | |
2462 | ||
2463 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2464 | doc: /* Resume the previously suspended terminal device TTY. | |
2465 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2466 | suspended terminal are revived. |
ed8dad6b | 2467 | |
6ed8eeff KL |
2468 | It is an error to resume a terminal while another terminal is active |
2469 | on the same device. | |
ed8dad6b | 2470 | |
e4019195 | 2471 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2472 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2473 | device. |
2474 | ||
2475 | `resume-tty' does nothing if it is called on a device that is not | |
2476 | suspended. | |
2477 | ||
401e9e57 CY |
2478 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2479 | frame's terminal). */) | |
5842a27b | 2480 | (Lisp_Object tty) |
ed8dad6b | 2481 | { |
717a00ef | 2482 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2483 | int fd; |
2484 | ||
6ed8eeff | 2485 | if (!t) |
ed8dad6b KL |
2486 | error ("Unknown tty device"); |
2487 | ||
6ed8eeff | 2488 | if (!t->display_info.tty->input) |
ed8dad6b | 2489 | { |
6ed8eeff | 2490 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2491 | error ("Cannot resume display while another display is active on the same device"); |
2492 | ||
84704c5c EZ |
2493 | #ifdef MSDOS |
2494 | t->display_info.tty->output = stdout; | |
2495 | t->display_info.tty->input = stdin; | |
2496 | #else /* !MSDOS */ | |
6ed8eeff | 2497 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2498 | |
59b3194c KL |
2499 | if (fd == -1) |
2500 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2501 | |
78048085 | 2502 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2503 | dissociate_if_controlling_tty (fd); |
78048085 | 2504 | |
6ed8eeff KL |
2505 | t->display_info.tty->output = fdopen (fd, "w+"); |
2506 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2507 | #endif |
78048085 | 2508 | |
ed8dad6b KL |
2509 | add_keyboard_wait_descriptor (fd); |
2510 | ||
6ed8eeff | 2511 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2512 | { |
2513 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2514 | int width, height; | |
2515 | int old_height = FRAME_COLS (f); | |
2516 | int old_width = FRAME_LINES (f); | |
2517 | ||
2518 | /* Check if terminal/window size has changed while the frame | |
2519 | was suspended. */ | |
2520 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2521 | if (width != old_width || height != old_height) | |
2522 | change_frame_size (f, height, width, 0, 0, 0); | |
2523 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2524 | } | |
ed8dad6b | 2525 | |
04f2d78b | 2526 | set_tty_hooks (t); |
6ed8eeff | 2527 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2528 | |
dee091a3 JD |
2529 | { |
2530 | /* Run `resume-tty-functions'. */ | |
2531 | Lisp_Object args[2]; | |
2532 | args[0] = intern ("resume-tty-functions"); | |
2533 | XSETTERMINAL (args[1], t); | |
2534 | Frun_hook_with_args (2, args); | |
2535 | } | |
ed8dad6b KL |
2536 | } |
2537 | ||
4a665758 KL |
2538 | set_tty_hooks (t); |
2539 | ||
ed8dad6b KL |
2540 | return Qnil; |
2541 | } | |
a3fbb897 | 2542 | |
819b8f00 | 2543 | \f |
e882229c NR |
2544 | /*********************************************************************** |
2545 | Mouse | |
2546 | ***********************************************************************/ | |
2547 | ||
7e5a23bd | 2548 | #ifdef HAVE_GPM |
64520e5c PE |
2549 | |
2550 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2551 | void |
2552 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2553 | { |
1ec5dc77 | 2554 | /* TODO: how to set mouse position? |
94da14a0 NR |
2555 | const char *name; |
2556 | int fd; | |
2557 | name = (const char *) ttyname (0); | |
2558 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2559 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2560 | close (fd); |
2561 | last_mouse_x = x; | |
80fb2ce0 | 2562 | last_mouse_y = y; */ |
94da14a0 | 2563 | } |
64520e5c | 2564 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2565 | |
cf482c50 EZ |
2566 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2567 | void | |
2568 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2569 | int start_hpos, int end_hpos, | |
2570 | enum draw_glyphs_face draw) | |
e882229c | 2571 | { |
cf482c50 EZ |
2572 | int nglyphs = end_hpos - start_hpos; |
2573 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2574 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2575 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2576 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2577 | |
cf482c50 EZ |
2578 | if (end_hpos >= row->used[TEXT_AREA]) |
2579 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2580 | |
cf482c50 EZ |
2581 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2582 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2583 | |
cf482c50 EZ |
2584 | /* Save current cursor co-ordinates. */ |
2585 | save_y = curY (tty); | |
2586 | save_x = curX (tty); | |
2587 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2588 | |
cf482c50 EZ |
2589 | if (draw == DRAW_MOUSE_FACE) |
2590 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2591 | nglyphs, face_id); | |
2592 | else if (draw == DRAW_NORMAL_TEXT) | |
2593 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2594 | |
cf482c50 | 2595 | cursor_to (f, save_y, save_x); |
e882229c NR |
2596 | } |
2597 | ||
2598 | static int | |
2599 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2600 | { | |
2601 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2602 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2603 | { | |
2604 | frame->mouse_moved = 1; | |
cf482c50 | 2605 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2606 | /* Remember which glyph we're now on. */ |
2607 | last_mouse_x = event->x; | |
2608 | last_mouse_y = event->y; | |
2609 | return 1; | |
2610 | } | |
2611 | return 0; | |
2612 | } | |
2613 | ||
d35af63c PE |
2614 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2615 | static Time | |
2616 | timeval_to_Time (struct timeval const *t) | |
2617 | { | |
2618 | Time s_1000, ms; | |
2619 | ||
2620 | s_1000 = t->tv_sec; | |
2621 | s_1000 *= 1000; | |
2622 | ms = t->tv_usec / 1000; | |
2623 | return s_1000 + ms; | |
2624 | } | |
2625 | ||
e882229c NR |
2626 | /* Return the current position of the mouse. |
2627 | ||
2628 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2629 | Emacs frame. If it is set to zero, all the other arguments are | |
2630 | garbage. | |
2631 | ||
2632 | Set *bar_window to Qnil, and *x and *y to the column and | |
2633 | row of the character cell the mouse is over. | |
2634 | ||
7f3f1250 | 2635 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2636 | |
80fb2ce0 | 2637 | This clears mouse_moved until the next motion |
94da14a0 | 2638 | event arrives. */ |
e882229c NR |
2639 | static void |
2640 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2641 | enum scroll_bar_part *part, Lisp_Object *x, | |
08dc5ae6 | 2642 | Lisp_Object *y, Time *timeptr) |
e882229c | 2643 | { |
e882229c | 2644 | struct timeval now; |
e882229c NR |
2645 | |
2646 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2647 | (*fp)->mouse_moved = 0; |
e882229c NR |
2648 | |
2649 | *bar_window = Qnil; | |
2650 | *part = 0; | |
2651 | ||
80fb2ce0 | 2652 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2653 | XSETINT (*y, last_mouse_y); |
e882229c | 2654 | gettimeofday(&now, 0); |
d35af63c | 2655 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2656 | } |
2657 | ||
2658 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2659 | ||
2660 | If the event is a button press, then note that we have grabbed | |
2661 | the mouse. */ | |
2662 | ||
2663 | static Lisp_Object | |
2664 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2665 | struct frame *f) | |
2666 | { | |
2667 | struct timeval now; | |
2668 | int i, j; | |
2669 | ||
2670 | result->kind = GPM_CLICK_EVENT; | |
2671 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2672 | { | |
2673 | if (event->buttons & j) { | |
2674 | result->code = i; /* button number */ | |
2675 | break; | |
2676 | } | |
2677 | } | |
2678 | gettimeofday(&now, 0); | |
d35af63c | 2679 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2680 | |
2681 | if (event->type & GPM_UP) | |
2682 | result->modifiers = up_modifier; | |
2683 | else if (event->type & GPM_DOWN) | |
2684 | result->modifiers = down_modifier; | |
2685 | else | |
2686 | result->modifiers = 0; | |
f4d953fc | 2687 | |
e882229c NR |
2688 | if (event->type & GPM_SINGLE) |
2689 | result->modifiers |= click_modifier; | |
f4d953fc | 2690 | |
e882229c NR |
2691 | if (event->type & GPM_DOUBLE) |
2692 | result->modifiers |= double_modifier; | |
2693 | ||
2694 | if (event->type & GPM_TRIPLE) | |
2695 | result->modifiers |= triple_modifier; | |
2696 | ||
2697 | if (event->type & GPM_DRAG) | |
2698 | result->modifiers |= drag_modifier; | |
2699 | ||
80fb2ce0 | 2700 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2701 | |
2702 | /* 1 << KG_SHIFT */ | |
2703 | if (event->modifiers & (1 << 0)) | |
2704 | result->modifiers |= shift_modifier; | |
2705 | ||
2706 | /* 1 << KG_CTRL */ | |
2707 | if (event->modifiers & (1 << 2)) | |
2708 | result->modifiers |= ctrl_modifier; | |
2709 | ||
2710 | /* 1 << KG_ALT || KG_ALTGR */ | |
2711 | if (event->modifiers & (1 << 3) | |
2712 | || event->modifiers & (1 << 1)) | |
2713 | result->modifiers |= meta_modifier; | |
2714 | } | |
2715 | ||
80fb2ce0 NR |
2716 | XSETINT (result->x, event->x); |
2717 | XSETINT (result->y, event->y); | |
e882229c NR |
2718 | XSETFRAME (result->frame_or_window, f); |
2719 | result->arg = Qnil; | |
2720 | return Qnil; | |
2721 | } | |
2722 | ||
f4d953fc | 2723 | int |
7be1c21a | 2724 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2725 | { |
7be1c21a | 2726 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2727 | struct input_event ie; |
2728 | int do_help = 0; | |
2729 | int count = 0; | |
2730 | ||
2731 | EVENT_INIT (ie); | |
2732 | ie.kind = NO_EVENT; | |
2733 | ie.arg = Qnil; | |
2734 | ||
80fb2ce0 | 2735 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2736 | previous_help_echo_string = help_echo_string; |
2737 | help_echo_string = Qnil; | |
2738 | ||
6178ce5e | 2739 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2740 | |
80fb2ce0 NR |
2741 | if (!term_mouse_movement (f, event)) |
2742 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2743 | |
2744 | /* If the contents of the global variable help_echo_string | |
2745 | has changed, generate a HELP_EVENT. */ | |
2746 | if (!NILP (help_echo_string) | |
2747 | || !NILP (previous_help_echo_string)) | |
2748 | do_help = 1; | |
2749 | ||
2750 | goto done; | |
2751 | } | |
2752 | else { | |
2753 | f->mouse_moved = 0; | |
2754 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2755 | } |
2756 | ||
2757 | done: | |
2758 | if (ie.kind != NO_EVENT) | |
2759 | { | |
2760 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2761 | count++; | |
2762 | } | |
2763 | ||
2764 | if (do_help | |
2765 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2766 | { | |
2767 | Lisp_Object frame; | |
2768 | ||
2769 | if (f) | |
2770 | XSETFRAME (frame, f); | |
2771 | else | |
2772 | frame = Qnil; | |
2773 | ||
2774 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2775 | help_echo_object, help_echo_pos); | |
2776 | count++; | |
2777 | } | |
2778 | ||
2779 | return count; | |
2780 | } | |
2781 | ||
6178ce5e | 2782 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2783 | 0, 0, 0, |
71f44e7a | 2784 | doc: /* Open a connection to Gpm. |
6178ce5e | 2785 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2786 | (void) |
e882229c | 2787 | { |
71f44e7a SM |
2788 | struct frame *f = SELECTED_FRAME (); |
2789 | struct tty_display_info *tty | |
2790 | = ((f)->output_method == output_termcap | |
2791 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2792 | Gpm_Connect connection; |
2793 | ||
6178ce5e SM |
2794 | if (!tty) |
2795 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2796 | if (gpm_tty == tty) |
2797 | return Qnil; /* Already activated, nothing to do. */ | |
2798 | if (gpm_tty) | |
2799 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2800 | |
e882229c NR |
2801 | connection.eventMask = ~0; |
2802 | connection.defaultMask = ~GPM_HARD; | |
2803 | connection.maxMod = ~0; | |
2804 | connection.minMod = 0; | |
80fb2ce0 | 2805 | gpm_zerobased = 1; |
e882229c NR |
2806 | |
2807 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2808 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2809 | else |
2810 | { | |
71f44e7a | 2811 | gpm_tty = tty; |
1023cbed SM |
2812 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2813 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2814 | before calling init_sys_modes. */ | |
7be1c21a MB |
2815 | reset_sys_modes (tty); |
2816 | init_sys_modes (tty); | |
e882229c | 2817 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2818 | return Qnil; |
e882229c NR |
2819 | } |
2820 | } | |
2821 | ||
ed5ff21d | 2822 | void |
d347e494 | 2823 | close_gpm (int fd) |
ed5ff21d | 2824 | { |
d347e494 SM |
2825 | if (fd >= 0) |
2826 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2827 | while (Gpm_Close()); /* close all the stack */ |
2828 | gpm_tty = NULL; | |
2829 | } | |
2830 | ||
6178ce5e | 2831 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2832 | 0, 0, 0, |
2833 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2834 | (void) |
e882229c | 2835 | { |
4ce5ab77 SM |
2836 | struct frame *f = SELECTED_FRAME (); |
2837 | struct tty_display_info *tty | |
2838 | = ((f)->output_method == output_termcap | |
2839 | ? (f)->terminal->display_info.tty : NULL); | |
2840 | ||
2841 | if (!tty || gpm_tty != tty) | |
2842 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2843 | |
d347e494 | 2844 | close_gpm (gpm_fd); |
6178ce5e | 2845 | return Qnil; |
e882229c | 2846 | } |
7e5a23bd | 2847 | #endif /* HAVE_GPM */ |
e882229c NR |
2848 | |
2849 | \f | |
89ba96f4 | 2850 | #ifndef MSDOS |
a168702a GM |
2851 | /*********************************************************************** |
2852 | Initialization | |
2853 | ***********************************************************************/ | |
2854 | ||
ed8dad6b KL |
2855 | /* Initialize the tty-dependent part of frame F. The frame must |
2856 | already have its device initialized. */ | |
3224dac1 | 2857 | |
dfcf069d | 2858 | void |
ed8dad6b | 2859 | create_tty_output (struct frame *f) |
28d440ab | 2860 | { |
ed8dad6b KL |
2861 | struct tty_output *t; |
2862 | ||
2863 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2864 | abort (); |
2865 | ||
ed8dad6b | 2866 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 2867 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 2868 | |
6ed8eeff | 2869 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2870 | |
ed8dad6b | 2871 | f->output_data.tty = t; |
3224dac1 KL |
2872 | } |
2873 | ||
9f215d25 | 2874 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2875 | |
ed8dad6b | 2876 | static void |
9f215d25 | 2877 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2878 | { |
ed8dad6b | 2879 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2880 | abort (); |
2881 | ||
9f215d25 CY |
2882 | if (FRAME_FACE_CACHE (f)) |
2883 | free_frame_faces (f); | |
2884 | ||
ed8dad6b | 2885 | xfree (f->output_data.tty); |
28d440ab KL |
2886 | } |
2887 | ||
89ba96f4 EZ |
2888 | #else /* MSDOS */ |
2889 | ||
2890 | /* Delete frame F's face cache. */ | |
2891 | ||
2892 | static void | |
2893 | tty_free_frame_resources (struct frame *f) | |
2894 | { | |
2895 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
2896 | abort (); | |
2897 | ||
2898 | if (FRAME_FACE_CACHE (f)) | |
2899 | free_frame_faces (f); | |
2900 | } | |
2901 | #endif /* MSDOS */ | |
ed8dad6b | 2902 | \f |
47cc8819 | 2903 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2904 | |
4a665758 KL |
2905 | static void |
2906 | clear_tty_hooks (struct terminal *terminal) | |
2907 | { | |
2908 | terminal->rif = 0; | |
2909 | terminal->cursor_to_hook = 0; | |
2910 | terminal->raw_cursor_to_hook = 0; | |
2911 | terminal->clear_to_end_hook = 0; | |
2912 | terminal->clear_frame_hook = 0; | |
2913 | terminal->clear_end_of_line_hook = 0; | |
2914 | terminal->ins_del_lines_hook = 0; | |
2915 | terminal->insert_glyphs_hook = 0; | |
2916 | terminal->write_glyphs_hook = 0; | |
2917 | terminal->delete_glyphs_hook = 0; | |
2918 | terminal->ring_bell_hook = 0; | |
2919 | terminal->reset_terminal_modes_hook = 0; | |
2920 | terminal->set_terminal_modes_hook = 0; | |
2921 | terminal->update_begin_hook = 0; | |
2922 | terminal->update_end_hook = 0; | |
2923 | terminal->set_terminal_window_hook = 0; | |
2924 | terminal->mouse_position_hook = 0; | |
2925 | terminal->frame_rehighlight_hook = 0; | |
2926 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2927 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2928 | terminal->set_vertical_scroll_bar_hook = 0; |
2929 | terminal->condemn_scroll_bars_hook = 0; | |
2930 | terminal->redeem_scroll_bar_hook = 0; | |
2931 | terminal->judge_scroll_bars_hook = 0; | |
2932 | terminal->read_socket_hook = 0; | |
2933 | terminal->frame_up_to_date_hook = 0; | |
2934 | ||
2935 | /* Leave these two set, or suspended frames are not deleted | |
2936 | correctly. */ | |
9f215d25 | 2937 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2938 | terminal->delete_terminal_hook = &delete_tty; |
2939 | } | |
2940 | ||
47cc8819 DN |
2941 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2942 | ||
4a665758 KL |
2943 | static void |
2944 | set_tty_hooks (struct terminal *terminal) | |
2945 | { | |
2946 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
2947 | ||
2948 | terminal->cursor_to_hook = &tty_cursor_to; | |
2949 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2950 | ||
2951 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
2952 | terminal->clear_frame_hook = &tty_clear_frame; | |
2953 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2954 | ||
2955 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
2956 | ||
2957 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
2958 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
2959 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
2960 | ||
2961 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 2962 | |
4a665758 KL |
2963 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2964 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2965 | terminal->update_begin_hook = 0; /* Not needed. */ | |
2966 | terminal->update_end_hook = &tty_update_end; | |
2967 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
2968 | ||
2969 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
2970 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
2971 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
2972 | ||
2973 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2974 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2975 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2976 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2977 | ||
2978 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2979 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 2980 | |
9f215d25 | 2981 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2982 | terminal->delete_terminal_hook = &delete_tty; |
2983 | } | |
2984 | ||
03a1d6bd | 2985 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 2986 | static void |
03a1d6bd KL |
2987 | dissociate_if_controlling_tty (int fd) |
2988 | { | |
84704c5c | 2989 | #ifndef DOS_NT |
12e610e8 | 2990 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
2991 | if (pgid != -1) |
2992 | { | |
6254cdda | 2993 | #if defined (USG5) |
03a1d6bd KL |
2994 | setpgrp (); |
2995 | no_controlling_tty = 1; | |
de52dcbb DN |
2996 | #elif defined (CYGWIN) |
2997 | setsid (); | |
2998 | no_controlling_tty = 1; | |
03a1d6bd KL |
2999 | #else |
3000 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3001 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3002 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3003 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3004 | { | |
3005 | no_controlling_tty = 1; | |
3006 | } | |
3007 | if (fd != -1) | |
3008 | emacs_close (fd); | |
3009 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3010 | #else |
8516815b KL |
3011 | /* Unknown system. */ |
3012 | croak (); | |
03a1d6bd KL |
3013 | #endif /* ! TIOCNOTTY */ |
3014 | #endif /* ! USG */ | |
71a96040 | 3015 | } |
84704c5c | 3016 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3017 | } |
3018 | ||
3224dac1 KL |
3019 | /* Create a termcap display on the tty device with the given name and |
3020 | type. | |
3021 | ||
ab797f65 | 3022 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3023 | Otherwise NAME should be a path to the tty device file, |
3024 | e.g. "/dev/pts/7". | |
28d440ab | 3025 | |
3224dac1 KL |
3026 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3027 | ||
3028 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3029 | |
6ed8eeff | 3030 | struct terminal * |
8ea90aa3 | 3031 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 3032 | { |
59b3194c | 3033 | char *area = NULL; |
08a24c47 | 3034 | char **address = &area; |
6b61353c | 3035 | int buffer_size = 4096; |
08a24c47 | 3036 | int status; |
59b3194c KL |
3037 | struct tty_display_info *tty = NULL; |
3038 | struct terminal *terminal = NULL; | |
3039 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3040 | |
3224dac1 | 3041 | if (!terminal_type) |
d31eee5e | 3042 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3043 | "Unknown terminal type", |
3044 | "Unknown terminal type"); | |
b6660415 | 3045 | |
ab797f65 | 3046 | if (name == NULL) |
78048085 EZ |
3047 | name = DEV_TTY; |
3048 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3049 | ctty = 1; |
3050 | ||
6ed8eeff KL |
3051 | /* If we already have a terminal on the given device, use that. If |
3052 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3053 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3054 | always create a new terminal and separating terminal and frame |
b6660415 | 3055 | creation on Lisp level. */ |
6ed8eeff KL |
3056 | terminal = get_named_tty (name); |
3057 | if (terminal) | |
3058 | return terminal; | |
78048085 | 3059 | |
6ed8eeff | 3060 | terminal = create_terminal (); |
84704c5c EZ |
3061 | #ifdef MSDOS |
3062 | if (been_here > 0) | |
762b15be | 3063 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3064 | name, ""); |
3065 | been_here = 1; | |
3066 | tty = &the_only_display_info; | |
3067 | #else | |
3224dac1 | 3068 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3069 | #endif |
72af86bd | 3070 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3071 | tty->next = tty_list; |
3072 | tty_list = tty; | |
428a555e | 3073 | |
6ed8eeff KL |
3074 | terminal->type = output_termcap; |
3075 | terminal->display_info.tty = tty; | |
3076 | tty->terminal = terminal; | |
28d440ab | 3077 | |
7b00d185 KL |
3078 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3079 | Wcm_clear (tty); | |
daf01701 | 3080 | |
dce4c2ac DN |
3081 | encode_terminal_src_size = 0; |
3082 | encode_terminal_dst_size = 0; | |
3083 | ||
51b59d79 | 3084 | |
84704c5c | 3085 | #ifndef DOS_NT |
4a665758 | 3086 | set_tty_hooks (terminal); |
78048085 | 3087 | |
59b3194c KL |
3088 | { |
3089 | int fd; | |
3090 | FILE *file; | |
0c72d684 KL |
3091 | |
3092 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3093 | if (!ctty) |
0c72d684 KL |
3094 | /* Open the terminal device. Don't recognize it as our |
3095 | controlling terminal, and don't make it the controlling tty | |
3096 | if we don't have one at the moment. */ | |
3097 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3098 | else |
0080dc6b | 3099 | #endif /* O_IGNORE_CTTY */ |
2666355c | 3100 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3101 | defined on Hurd. On other systems, we need to explicitly |
3102 | dissociate ourselves from the controlling tty when we want to | |
3103 | open a frame on the same terminal. */ | |
0c72d684 | 3104 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 | 3105 | |
97c6058a DN |
3106 | tty->name = xstrdup (name); |
3107 | terminal->name = xstrdup (name); | |
3108 | ||
59b3194c | 3109 | if (fd < 0) |
d31eee5e | 3110 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3111 | "Could not open file: %s", |
3112 | "Could not open file: %s", | |
3113 | name); | |
3114 | if (!isatty (fd)) | |
3115 | { | |
3116 | close (fd); | |
d31eee5e | 3117 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3118 | "Not a tty device: %s", |
3119 | "Not a tty device: %s", | |
3120 | name); | |
3121 | } | |
0c72d684 | 3122 | |
59b3194c KL |
3123 | #ifndef O_IGNORE_CTTY |
3124 | if (!ctty) | |
03a1d6bd | 3125 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3126 | #endif |
3127 | ||
3128 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3129 | tty->input = file; |
3130 | tty->output = file; | |
3131 | } | |
78048085 | 3132 | |
28d7d09f | 3133 | tty->type = xstrdup (terminal_type); |
28d440ab | 3134 | |
819b8f00 | 3135 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3136 | |
6548cf00 | 3137 | Wcm_clear (tty); |
08a24c47 | 3138 | |
d31eee5e | 3139 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3140 | |
03a1d6bd KL |
3141 | /* On some systems, tgetent tries to access the controlling |
3142 | terminal. */ | |
3143 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3144 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3145 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3146 | |
08a24c47 | 3147 | if (status < 0) |
b0347178 KH |
3148 | { |
3149 | #ifdef TERMINFO | |
d31eee5e | 3150 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3151 | "Cannot open terminfo database file", |
3152 | "Cannot open terminfo database file"); | |
b0347178 | 3153 | #else |
d31eee5e | 3154 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3155 | "Cannot open termcap database file", |
3156 | "Cannot open termcap database file"); | |
b0347178 KH |
3157 | #endif |
3158 | } | |
08a24c47 | 3159 | if (status == 0) |
b0347178 | 3160 | { |
d31eee5e | 3161 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3162 | "Terminal type %s is not defined", |
3163 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3164 | If that is not the actual type of terminal you have,\n\ |
3165 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3166 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3167 | #ifdef TERMINFO | |
3168 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3169 | #else |
84164a0d | 3170 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3171 | #endif |
84164a0d | 3172 | terminal_type); |
b0347178 | 3173 | } |
6b61353c KH |
3174 | |
3175 | #ifndef TERMINFO | |
d31eee5e | 3176 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3177 | abort (); |
d31eee5e | 3178 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3179 | #endif |
d31eee5e | 3180 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3181 | tty->TS_ins_line = tgetstr ("al", address); |
3182 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3183 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3184 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3185 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3186 | tty->TS_clr_line = tgetstr ("ce", address); | |
3187 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3188 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3189 | AbsPosition (tty) = tgetstr ("cm", address); | |
3190 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3191 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3192 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3193 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3194 | tty->TS_del_char = tgetstr ("dc", address); |
3195 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3196 | tty->TS_del_line = tgetstr ("dl", address); | |
3197 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3198 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3199 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3200 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3201 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3202 | tty->TS_ins_char = tgetstr ("ic", address); |
3203 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3204 | tty->TS_insert_mode = tgetstr ("im", address); | |
3205 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3206 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3207 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3208 | LastLine (tty) = tgetstr ("ll", address); |
3209 | Right (tty) = tgetstr ("nd", address); | |
3210 | Down (tty) = tgetstr ("do", address); | |
3211 | if (!Down (tty)) | |
3212 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3213 | if (tgetflag ("bs")) |
6548cf00 | 3214 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3215 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3216 | Left (tty) = tgetstr ("le", address); |
3217 | if (!Left (tty)) | |
3218 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3219 | tty->TS_pad_char = tgetstr ("pc", address); |
3220 | tty->TS_repeat = tgetstr ("rp", address); | |
3221 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3222 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3223 | tty->TS_standout_mode = tgetstr ("so", address); | |
3224 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3225 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3226 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3227 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3228 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3229 | tty->TS_visible_bell = tgetstr ("vb", address); |
3230 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3231 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3232 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3233 | tty->TS_set_window = tgetstr ("wi", address); | |
3234 | ||
3235 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3236 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3237 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 3238 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 3239 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
3240 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
3241 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3242 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3243 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3244 | |
6548cf00 KL |
3245 | MultiUp (tty) = tgetstr ("UP", address); |
3246 | MultiDown (tty) = tgetstr ("DO", address); | |
3247 | MultiLeft (tty) = tgetstr ("LE", address); | |
3248 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3249 | |
5c32d3f2 | 3250 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
3251 | color because we can't switch back to the default foreground and |
3252 | background. */ | |
fca177d4 KL |
3253 | tty->TS_orig_pair = tgetstr ("op", address); |
3254 | if (tty->TS_orig_pair) | |
a168702a | 3255 | { |
fca177d4 KL |
3256 | tty->TS_set_foreground = tgetstr ("AF", address); |
3257 | tty->TS_set_background = tgetstr ("AB", address); | |
3258 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3259 | { |
3260 | /* SVr4. */ | |
fca177d4 KL |
3261 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3262 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3263 | } |
177c0ea7 | 3264 | |
fca177d4 KL |
3265 | tty->TN_max_colors = tgetnum ("Co"); |
3266 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3267 | |
fca177d4 KL |
3268 | tty->TN_no_color_video = tgetnum ("NC"); |
3269 | if (tty->TN_no_color_video == -1) | |
3270 | tty->TN_no_color_video = 0; | |
a168702a | 3271 | } |
a168702a | 3272 | |
fca177d4 | 3273 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3274 | |
6548cf00 | 3275 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3276 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3277 | the former flag imply the latter. */ | |
6548cf00 | 3278 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3279 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3280 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3281 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3282 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3283 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3284 | tty->TF_standout_motion = tgetflag ("ms"); | |
3285 | tty->TF_underscore = tgetflag ("ul"); | |
3286 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3287 | |
dce4c2ac DN |
3288 | #else /* DOS_NT */ |
3289 | #ifdef WINDOWSNT | |
3290 | { | |
3291 | struct frame *f = XFRAME (selected_frame); | |
3292 | ||
3293 | initialize_w32_display (terminal); | |
3294 | ||
3295 | FrameRows (tty) = FRAME_LINES (f); | |
3296 | FrameCols (tty) = FRAME_COLS (f); | |
3297 | tty->specified_window = FRAME_LINES (f); | |
3298 | ||
3299 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3300 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3301 | terminal->char_ins_del_ok = 1; | |
3302 | baud_rate = 19200; | |
3303 | } | |
3304 | #else /* MSDOS */ | |
3305 | { | |
3306 | int height, width; | |
3307 | if (strcmp (terminal_type, "internal") == 0) | |
3308 | terminal->type = output_msdos_raw; | |
3309 | initialize_msdos_display (terminal); | |
3310 | ||
3311 | get_tty_size (fileno (tty->input), &width, &height); | |
3312 | FrameCols (tty) = width; | |
3313 | FrameRows (tty) = height; | |
3314 | terminal->char_ins_del_ok = 0; | |
3315 | init_baud_rate (fileno (tty->input)); | |
3316 | } | |
3317 | #endif /* MSDOS */ | |
3318 | tty->output = stdout; | |
3319 | tty->input = stdin; | |
3320 | /* The following two are inaccessible from w32console.c. */ | |
3321 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3322 | terminal->delete_terminal_hook = &delete_tty; | |
3323 | ||
3324 | tty->name = xstrdup (name); | |
3325 | terminal->name = xstrdup (name); | |
3326 | tty->type = xstrdup (terminal_type); | |
3327 | ||
3328 | add_keyboard_wait_descriptor (0); | |
3329 | ||
dce4c2ac DN |
3330 | tty->delete_in_insert_mode = 1; |
3331 | ||
3332 | UseTabs (tty) = 0; | |
3333 | terminal->scroll_region_ok = 0; | |
3334 | ||
3335 | /* Seems to insert lines when it's not supposed to, messing up the | |
3336 | display. In doing a trace, it didn't seem to be called much, so I | |
3337 | don't think we're losing anything by turning it off. */ | |
3338 | terminal->line_ins_del_ok = 0; | |
3339 | ||
3340 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3341 | #endif /* DOS_NT */ | |
3342 | ||
6bc8cd65 JB |
3343 | #ifdef HAVE_GPM |
3344 | terminal->mouse_position_hook = term_mouse_position; | |
3345 | tty->mouse_highlight.mouse_face_window = Qnil; | |
3346 | #endif | |
3347 | ||
6ed8eeff KL |
3348 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3349 | init_kboard (terminal->kboard); | |
1344aad4 | 3350 | KVAR (terminal->kboard, Vwindow_system) = Qnil; |
6ed8eeff KL |
3351 | terminal->kboard->next_kboard = all_kboards; |
3352 | all_kboards = terminal->kboard; | |
3353 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3354 | /* Don't let the initial kboard remain current longer than necessary. |
3355 | That would cause problems if a file loaded on startup tries to | |
3356 | prompt in the mini-buffer. */ | |
3357 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3358 | current_kboard = terminal->kboard; |
84704c5c | 3359 | #ifndef DOS_NT |
6ed8eeff | 3360 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3361 | |
ff11dfa1 | 3362 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3363 | { |
3364 | int height, width; | |
0b0d3e0b | 3365 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3366 | FrameCols (tty) = width; |
3367 | FrameRows (tty) = height; | |
3b12ce12 RS |
3368 | } |
3369 | ||
0a125897 KL |
3370 | if (FrameCols (tty) <= 0) |
3371 | FrameCols (tty) = tgetnum ("co"); | |
3372 | if (FrameRows (tty) <= 0) | |
3373 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3374 | |
0a125897 | 3375 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3376 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3377 | "Screen size %dx%d is too small", |
3224dac1 | 3378 | "Screen size %dx%d is too small", |
0a125897 | 3379 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3380 | |
6548cf00 | 3381 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3382 | |
fca177d4 KL |
3383 | if (!tty->TS_bell) |
3384 | tty->TS_bell = "\07"; | |
08a24c47 | 3385 | |
fca177d4 KL |
3386 | if (!tty->TS_fwd_scroll) |
3387 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3388 | |
fca177d4 | 3389 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3390 | |
6548cf00 KL |
3391 | if (TabWidth (tty) < 0) |
3392 | TabWidth (tty) = 8; | |
177c0ea7 | 3393 | |
08a24c47 JB |
3394 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3395 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3396 | if (!tty->Wcm->cm_tab) |
3397 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3398 | */ |
3399 | ||
54800acb MB |
3400 | /* We don't support standout modes that use `magic cookies', so |
3401 | turn off any that do. */ | |
fca177d4 | 3402 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3403 | { |
fca177d4 KL |
3404 | tty->TS_standout_mode = 0; |
3405 | tty->TS_end_standout_mode = 0; | |
54800acb | 3406 | } |
fca177d4 | 3407 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3408 | { |
fca177d4 KL |
3409 | tty->TS_enter_underline_mode = 0; |
3410 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3411 | } |
3412 | ||
3413 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3414 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3415 | { |
fca177d4 KL |
3416 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3417 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3418 | } |
3419 | ||
afd359c4 RS |
3420 | /* If no `se' string, try using a `me' string instead. |
3421 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3422 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3423 | { |
e4bfb3b6 | 3424 | char *s = tgetstr ("me", address); |
afd359c4 | 3425 | if (s != 0) |
fca177d4 | 3426 | tty->TS_end_standout_mode = s; |
afd359c4 | 3427 | else |
fca177d4 | 3428 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3429 | } |
3430 | ||
fca177d4 | 3431 | if (tty->TF_teleray) |
08a24c47 | 3432 | { |
6548cf00 | 3433 | tty->Wcm->cm_tab = 0; |
54800acb | 3434 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3435 | tty->TS_standout_mode = 0; |
08a24c47 | 3436 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3437 | CR (tty) = 0; |
08a24c47 JB |
3438 | /* LF can't be trusted either -- can alter hpos */ |
3439 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3440 | Down (tty) = 0; |
08a24c47 JB |
3441 | } |
3442 | ||
0a125897 | 3443 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3444 | |
6548cf00 | 3445 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3446 | { |
d31eee5e | 3447 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3448 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3449 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3450 | It lacks the ability to position the cursor.\n\ |
3451 | If that is not the actual type of terminal you have,\n\ | |
3452 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3453 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3454 | # ifdef TERMINFO | |
3455 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3456 | # else /* TERMCAP */ |
84164a0d | 3457 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3458 | # endif /* TERMINFO */ |
3224dac1 | 3459 | terminal_type); |
fca177d4 | 3460 | } |
daf01701 | 3461 | |
0a125897 | 3462 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3463 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3464 | "Could not determine the frame size", |
3465 | "Could not determine the frame size"); | |
08a24c47 | 3466 | |
fca177d4 KL |
3467 | tty->delete_in_insert_mode |
3468 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3469 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3470 | |
fca177d4 KL |
3471 | tty->se_is_so = (tty->TS_standout_mode |
3472 | && tty->TS_end_standout_mode | |
3473 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3474 | |
0b0d3e0b | 3475 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3476 | |
6ed8eeff | 3477 | terminal->scroll_region_ok |
6548cf00 | 3478 | = (tty->Wcm->cm_abs |
fca177d4 | 3479 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3480 | |
6ed8eeff | 3481 | terminal->line_ins_del_ok |
fca177d4 KL |
3482 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3483 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3484 | || (terminal->scroll_region_ok |
fca177d4 | 3485 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3486 | |
6ed8eeff | 3487 | terminal->char_ins_del_ok |
fca177d4 KL |
3488 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3489 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3490 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3491 | |
6ed8eeff | 3492 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3493 | |
0b0d3e0b | 3494 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3495 | |
84704c5c | 3496 | #endif /* not DOS_NT */ |
635e3b29 | 3497 | |
0a125897 KL |
3498 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3499 | init_sys_modes (tty); | |
daf01701 | 3500 | |
6ed8eeff | 3501 | return terminal; |
08a24c47 JB |
3502 | } |
3503 | ||
b3ffc17c DN |
3504 | |
3505 | static void | |
3506 | vfatal (const char *str, va_list ap) | |
3507 | { | |
3508 | fprintf (stderr, "emacs: "); | |
3509 | vfprintf (stderr, str, ap); | |
3510 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3511 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
3512 | fflush (stderr); |
3513 | exit (1); | |
3514 | } | |
3515 | ||
3516 | ||
a4c6993d | 3517 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 3518 | Delete TERMINAL, then call error or fatal with str1 or str2, |
762b15be | 3519 | respectively, according to whether MUST_SUCCEED is zero or not. */ |
6b61353c | 3520 | |
3224dac1 | 3521 | static void |
b3ffc17c DN |
3522 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3523 | const char *str1, const char *str2, ...) | |
3224dac1 | 3524 | { |
b3ffc17c DN |
3525 | va_list ap; |
3526 | va_start (ap, str2); | |
6ed8eeff KL |
3527 | if (terminal) |
3528 | delete_tty (terminal); | |
f4d953fc | 3529 | |
3224dac1 | 3530 | if (must_succeed) |
b3ffc17c | 3531 | vfatal (str2, ap); |
3224dac1 | 3532 | else |
b3ffc17c | 3533 | verror (str1, ap); |
3224dac1 | 3534 | |
b3ffc17c | 3535 | va_end (ap); |
3224dac1 | 3536 | abort (); |
08a24c47 JB |
3537 | } |
3538 | ||
dfcf069d | 3539 | void |
7c401d15 | 3540 | fatal (const char *str, ...) |
08a24c47 | 3541 | { |
7c401d15 DN |
3542 | va_list ap; |
3543 | va_start (ap, str); | |
b3ffc17c | 3544 | vfatal (str, ap); |
7c401d15 | 3545 | va_end (ap); |
08a24c47 | 3546 | } |
07c57952 | 3547 | |
819b8f00 KL |
3548 | \f |
3549 | ||
6ed8eeff | 3550 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3551 | |
ed8dad6b | 3552 | static void |
6ed8eeff | 3553 | delete_tty (struct terminal *terminal) |
072d84a6 | 3554 | { |
428a555e | 3555 | struct tty_display_info *tty; |
f4d953fc | 3556 | |
e2749141 | 3557 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3558 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3559 | if (!terminal->name) |
0a125897 | 3560 | return; |
fca177d4 | 3561 | |
6ed8eeff | 3562 | if (terminal->type != output_termcap) |
428a555e KL |
3563 | abort (); |
3564 | ||
6ed8eeff | 3565 | tty = terminal->display_info.tty; |
f4d953fc | 3566 | |
fca177d4 KL |
3567 | if (tty == tty_list) |
3568 | tty_list = tty->next; | |
3569 | else | |
3570 | { | |
28d7d09f | 3571 | struct tty_display_info *p; |
fca177d4 KL |
3572 | for (p = tty_list; p && p->next != tty; p = p->next) |
3573 | ; | |
3574 | ||
3575 | if (! p) | |
3576 | /* This should not happen. */ | |
3577 | abort (); | |
3578 | ||
0a125897 KL |
3579 | p->next = tty->next; |
3580 | tty->next = 0; | |
fca177d4 KL |
3581 | } |
3582 | ||
7e59217d | 3583 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3584 | before delete_terminal. */ |
04c3243c | 3585 | reset_sys_modes (tty); |
fca177d4 | 3586 | |
6ed8eeff | 3587 | delete_terminal (terminal); |
3224dac1 | 3588 | |
70fdbb46 JM |
3589 | xfree (tty->name); |
3590 | xfree (tty->type); | |
daf01701 | 3591 | |
fca177d4 | 3592 | if (tty->input) |
819b8f00 KL |
3593 | { |
3594 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3595 | if (tty->input != stdin) | |
3596 | fclose (tty->input); | |
3597 | } | |
3598 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3599 | fclose (tty->output); |
3600 | if (tty->termscript) | |
3601 | fclose (tty->termscript); | |
daf01701 | 3602 | |
70fdbb46 JM |
3603 | xfree (tty->old_tty); |
3604 | xfree (tty->Wcm); | |
5f445726 JM |
3605 | xfree (tty->termcap_strings_buffer); |
3606 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3607 | |
fca177d4 | 3608 | xfree (tty); |
fca177d4 KL |
3609 | } |
3610 | ||
428a555e KL |
3611 | \f |
3612 | ||
28d7d09f | 3613 | /* Mark the pointers in the tty_display_info objects. |
0ba2624f | 3614 | Called by Fgarbage_collect. */ |
da8e1115 | 3615 | |
fca177d4 | 3616 | void |
ed8dad6b | 3617 | mark_ttys (void) |
fca177d4 | 3618 | { |
28d7d09f | 3619 | struct tty_display_info *tty; |
0c72d684 | 3620 | |
819b8f00 | 3621 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3622 | mark_object (tty->top_frame); |
072d84a6 RS |
3623 | } |
3624 | ||
428a555e KL |
3625 | \f |
3626 | ||
dfcf069d | 3627 | void |
d3da34e0 | 3628 | syms_of_term (void) |
07c57952 | 3629 | { |
29208e82 | 3630 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3631 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3632 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3633 | #ifdef TERMINFO |
3634 | system_uses_terminfo = 1; | |
3635 | #else | |
3636 | system_uses_terminfo = 0; | |
3637 | #endif | |
c291d9ef | 3638 | |
29208e82 | 3639 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e4019195 | 3640 | doc: /* Functions to be run after suspending a tty. |
fdc496e7 | 3641 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3642 | See `suspend-tty'. */); |
e4019195 | 3643 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3644 | |
3645 | ||
29208e82 | 3646 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e4019195 | 3647 | doc: /* Functions to be run after resuming a tty. |
fdc496e7 | 3648 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3649 | See `resume-tty'. */); |
e4019195 | 3650 | Vresume_tty_functions = Qnil; |
a168702a | 3651 | |
29208e82 | 3652 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3653 | doc: /* Non-nil means to make the cursor very visible. |
3654 | This only has an effect when running in a text terminal. | |
3655 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3656 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3657 | visible_cursor = 1; | |
3658 | ||
a168702a | 3659 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3660 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3661 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3662 | defsubr (&Stty_type); |
3663 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 3664 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
3665 | defsubr (&Ssuspend_tty); |
3666 | defsubr (&Sresume_tty); | |
7e5a23bd | 3667 | #ifdef HAVE_GPM |
6178ce5e SM |
3668 | defsubr (&Sgpm_mouse_start); |
3669 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3670 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3671 | |
84704c5c | 3672 | #ifndef DOS_NT |
3a7c5d40 CY |
3673 | default_orig_pair = NULL; |
3674 | default_set_foreground = NULL; | |
3675 | default_set_background = NULL; | |
84704c5c | 3676 | #endif /* !DOS_NT */ |
d31eee5e CY |
3677 | |
3678 | encode_terminal_src = NULL; | |
3679 | encode_terminal_dst = NULL; | |
07c57952 | 3680 | } |