Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
73b0cd50 | 2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2011 |
8cabe764 | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
08a24c47 JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 19 | |
d284f58f | 20 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 21 | |
565620a5 | 22 | #include <config.h> |
08a24c47 JB |
23 | #include <stdio.h> |
24 | #include <ctype.h> | |
59b3194c | 25 | #include <errno.h> |
28d440ab | 26 | #include <sys/file.h> |
1ec5dc77 | 27 | #include <unistd.h> |
03a1d6bd | 28 | #include <signal.h> |
d7306fe6 | 29 | #include <setjmp.h> |
0c72d684 | 30 | |
9628b887 | 31 | #include "lisp.h" |
08a24c47 JB |
32 | #include "termchar.h" |
33 | #include "termopts.h" | |
50938595 | 34 | #include "tparam.h" |
9332ea03 KH |
35 | #include "buffer.h" |
36 | #include "character.h" | |
a4decb7f KH |
37 | #include "charset.h" |
38 | #include "coding.h" | |
4c12d738 | 39 | #include "composite.h" |
2538fae4 | 40 | #include "keyboard.h" |
ff11dfa1 | 41 | #include "frame.h" |
08a24c47 JB |
42 | #include "disptab.h" |
43 | #include "termhooks.h" | |
dfcf069d | 44 | #include "dispextern.h" |
a168702a | 45 | #include "window.h" |
8feddab4 | 46 | #include "keymap.h" |
1a935bfd | 47 | #include "blockinput.h" |
03a1d6bd KL |
48 | #include "syssignal.h" |
49 | #include "systty.h" | |
c9612b8e | 50 | #include "intervals.h" |
84704c5c EZ |
51 | #ifdef MSDOS |
52 | #include "msdos.h" | |
53 | static int been_here = -1; | |
54 | #endif | |
a168702a | 55 | |
eccec691 | 56 | #include "cm.h" |
dfcf069d AS |
57 | #ifdef HAVE_X_WINDOWS |
58 | #include "xterm.h" | |
59 | #endif | |
c8951b18 | 60 | |
28d440ab KL |
61 | #ifndef O_RDWR |
62 | #define O_RDWR 2 | |
63 | #endif | |
6b61353c | 64 | |
0c72d684 KL |
65 | #ifndef O_NOCTTY |
66 | #define O_NOCTTY 0 | |
67 | #endif | |
6b61353c | 68 | |
78048085 EZ |
69 | /* The name of the default console device. */ |
70 | #ifdef WINDOWSNT | |
71 | #define DEV_TTY "CONOUT$" | |
72 | #else | |
73 | #define DEV_TTY "/dev/tty" | |
74 | #endif | |
a168702a | 75 | |
f57e2426 J |
76 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
77 | static void turn_on_face (struct frame *, int face_id); | |
78 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 79 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
80 | static void tty_show_cursor (struct tty_display_info *); |
81 | static void tty_hide_cursor (struct tty_display_info *); | |
82 | static void tty_background_highlight (struct tty_display_info *tty); | |
64520e5c | 83 | static struct terminal *get_tty_terminal (Lisp_Object, int); |
f57e2426 J |
84 | static void clear_tty_hooks (struct terminal *terminal); |
85 | static void set_tty_hooks (struct terminal *terminal); | |
86 | static void dissociate_if_controlling_tty (int fd); | |
87 | static void delete_tty (struct terminal *); | |
b3ffc17c | 88 | static void maybe_fatal (int must_succeed, struct terminal *terminal, |
13841b55 | 89 | const char *str1, const char *str2, ...) |
266c9547 | 90 | NO_RETURN ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); |
13841b55 PE |
91 | static void vfatal (const char *str, va_list ap) |
92 | NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 93 | |
a168702a | 94 | |
6548cf00 KL |
95 | #define OUTPUT(tty, a) \ |
96 | emacs_tputs ((tty), a, \ | |
97 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
98 | - curY (tty)), \ | |
99 | cmputc) | |
100 | ||
28d440ab KL |
101 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
102 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 103 | |
28d440ab | 104 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
105 | do { \ |
106 | if (a) \ | |
b286858c | 107 | OUTPUT (tty, a); \ |
6548cf00 | 108 | } while (0) |
177c0ea7 | 109 | |
28d440ab | 110 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 111 | |
f46c2aff | 112 | /* Display space properties */ |
08a24c47 | 113 | |
428a555e | 114 | /* Chain of all tty device parameters. */ |
28d7d09f | 115 | struct tty_display_info *tty_list; |
08a24c47 | 116 | |
4e6ba4a4 GM |
117 | /* Meaning of bits in no_color_video. Each bit set means that the |
118 | corresponding attribute cannot be combined with colors. */ | |
119 | ||
120 | enum no_color_bit | |
121 | { | |
122 | NC_STANDOUT = 1 << 0, | |
123 | NC_UNDERLINE = 1 << 1, | |
124 | NC_REVERSE = 1 << 2, | |
125 | NC_BLINK = 1 << 3, | |
126 | NC_DIM = 1 << 4, | |
127 | NC_BOLD = 1 << 5, | |
128 | NC_INVIS = 1 << 6, | |
129 | NC_PROTECT = 1 << 7, | |
130 | NC_ALT_CHARSET = 1 << 8 | |
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 | ||
d0984aff KH |
577 | if (c == '\t') |
578 | continue; | |
579 | if (char_charset (c, charset_list, NULL)) | |
580 | { | |
581 | if (CHAR_WIDTH (c) == 0 | |
582 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
583 | /* Should be left-padded */ | |
584 | { | |
585 | buf += CHAR_STRING (' ', buf); | |
586 | nchars++; | |
587 | } | |
588 | } | |
589 | else | |
590 | c = '?'; | |
75a10786 KH |
591 | buf += CHAR_STRING (c, buf); |
592 | nchars++; | |
593 | } | |
4c12d738 | 594 | } |
a4decb7f | 595 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 596 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 597 | { |
f4d953fc | 598 | GLYPH g; |
c2ed9c8b | 599 | int c IF_LINT (= 0); |
288d5132 KH |
600 | Lisp_Object string; |
601 | ||
4ae0a2c0 | 602 | string = Qnil; |
f4d953fc | 603 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 604 | |
f4d953fc | 605 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 606 | { |
f185a758 | 607 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
608 | c = src->u.ch; |
609 | } | |
32de38e4 | 610 | else |
a4decb7f | 611 | { |
32de38e4 | 612 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
613 | so process any alias before testing for simpleness. */ |
614 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
615 | |
616 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
617 | /* We set the multi-byte form of a character in G |
618 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 619 | c = GLYPH_CHAR (g); |
32de38e4 | 620 | else |
4ae0a2c0 | 621 | /* We have a string in Vglyph_table. */ |
f4d953fc | 622 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 623 | } |
177c0ea7 | 624 | |
4ae0a2c0 | 625 | if (NILP (string)) |
c42869c4 | 626 | { |
4c12d738 | 627 | nbytes = buf - encode_terminal_src; |
fee31f82 | 628 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 629 | { |
0065d054 PE |
630 | encode_terminal_src = |
631 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
632 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
633 | buf = encode_terminal_src + nbytes; |
634 | } | |
d419e1d9 KH |
635 | if (CHAR_BYTE8_P (c) |
636 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 637 | { |
288d5132 KH |
638 | /* Store the multibyte form of C at BUF. */ |
639 | buf += CHAR_STRING (c, buf); | |
640 | nchars++; | |
c5a518df KH |
641 | } |
642 | else | |
643 | { | |
288d5132 KH |
644 | /* C is not encodable. */ |
645 | *buf++ = '?'; | |
c5a518df | 646 | nchars++; |
288d5132 KH |
647 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
648 | { | |
649 | *buf++ = '?'; | |
650 | nchars++; | |
651 | src++; | |
652 | } | |
c5a518df | 653 | } |
4ae0a2c0 KH |
654 | } |
655 | else | |
656 | { | |
288d5132 KH |
657 | if (! STRING_MULTIBYTE (string)) |
658 | string = string_to_multibyte (string); | |
659 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 660 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 661 | { |
0065d054 PE |
662 | encode_terminal_src = |
663 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
664 | (SBYTES (string) | |
665 | - (encode_terminal_src_size - nbytes)), | |
666 | -1, 1); | |
288d5132 | 667 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 668 | } |
72af86bd | 669 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
670 | buf += SBYTES (string); |
671 | nchars += SCHARS (string); | |
c42869c4 | 672 | } |
a4decb7f | 673 | } |
288d5132 KH |
674 | src++; |
675 | } | |
676 | ||
677 | if (nchars == 0) | |
678 | { | |
679 | coding->produced = 0; | |
680 | return NULL; | |
a4decb7f | 681 | } |
177c0ea7 | 682 | |
288d5132 KH |
683 | nbytes = buf - encode_terminal_src; |
684 | coding->source = encode_terminal_src; | |
685 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 686 | { |
fee31f82 PE |
687 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
688 | encode_terminal_src_size); | |
288d5132 | 689 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 690 | } |
288d5132 KH |
691 | coding->destination = encode_terminal_dst; |
692 | coding->dst_bytes = encode_terminal_dst_size; | |
693 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 694 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
695 | encode_terminal_dst = coding->destination; |
696 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 697 | |
288d5132 | 698 | return (encode_terminal_dst); |
a4decb7f KH |
699 | } |
700 | ||
08a24c47 | 701 | |
c73bd236 | 702 | |
da8e1115 KL |
703 | /* An implementation of write_glyphs for termcap frames. */ |
704 | ||
ed8dad6b | 705 | static void |
385ed61f | 706 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 707 | { |
288d5132 KH |
708 | unsigned char *conversion_buffer; |
709 | struct coding_system *coding; | |
5c5cdd39 | 710 | size_t n, stringlen; |
08a24c47 | 711 | |
3224dac1 | 712 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 713 | |
ed8dad6b | 714 | tty_turn_off_insert (tty); |
fca177d4 | 715 | tty_hide_cursor (tty); |
08a24c47 | 716 | |
a168702a | 717 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 718 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 719 | |
6548cf00 KL |
720 | if (AutoWrap (tty) |
721 | && curY (tty) + 1 == FRAME_LINES (f) | |
722 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 723 | len --; |
a4decb7f KH |
724 | if (len <= 0) |
725 | return; | |
08a24c47 | 726 | |
6548cf00 | 727 | cmplus (tty, len); |
177c0ea7 | 728 | |
af645abf KH |
729 | /* If terminal_coding does any conversion, use it, otherwise use |
730 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
731 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
732 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
733 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
734 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
735 | the tail. */ | |
af645abf | 736 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 737 | |
5c5cdd39 | 738 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 739 | { |
a168702a | 740 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 741 | int face_id = string->face_id; |
177c0ea7 | 742 | |
5c5cdd39 | 743 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 744 | if (string[n].face_id != face_id) |
a168702a GM |
745 | break; |
746 | ||
747 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 748 | tty_highlight_if_desired (tty); |
a168702a GM |
749 | turn_on_face (f, face_id); |
750 | ||
5c5cdd39 | 751 | if (n == stringlen) |
288d5132 KH |
752 | /* This is the last run. */ |
753 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
754 | conversion_buffer = encode_terminal_code (string, n, coding); | |
755 | if (coding->produced > 0) | |
08a24c47 | 756 | { |
1a935bfd | 757 | BLOCK_INPUT; |
fad2f685 KL |
758 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
759 | if (ferror (tty->output)) | |
760 | clearerr (tty->output); | |
761 | if (tty->termscript) | |
762 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 763 | UNBLOCK_INPUT; |
08a24c47 | 764 | } |
288d5132 | 765 | string += n; |
a168702a GM |
766 | |
767 | /* Turn appearance modes off. */ | |
768 | turn_off_face (f, face_id); | |
ed8dad6b | 769 | tty_turn_off_highlight (tty); |
a4decb7f | 770 | } |
177c0ea7 | 771 | |
6548cf00 | 772 | cmcheckmagic (tty); |
08a24c47 JB |
773 | } |
774 | ||
b870aa61 SM |
775 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
776 | ||
7be1c21a | 777 | static void |
d3da34e0 JB |
778 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
779 | register int len, register int face_id) | |
e882229c | 780 | { |
e882229c NR |
781 | unsigned char *conversion_buffer; |
782 | struct coding_system *coding; | |
783 | ||
7be1c21a MB |
784 | struct tty_display_info *tty = FRAME_TTY (f); |
785 | ||
786 | tty_turn_off_insert (tty); | |
787 | tty_hide_cursor (tty); | |
e882229c NR |
788 | |
789 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
790 | since that would scroll the whole frame on some terminals. */ | |
791 | ||
7be1c21a MB |
792 | if (AutoWrap (tty) |
793 | && curY (tty) + 1 == FRAME_LINES (f) | |
794 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
795 | len --; |
796 | if (len <= 0) | |
797 | return; | |
798 | ||
7be1c21a | 799 | cmplus (tty, len); |
e882229c NR |
800 | |
801 | /* If terminal_coding does any conversion, use it, otherwise use | |
802 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
803 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
804 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
805 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
806 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
807 | the tail. */ | |
808 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
809 | ||
e882229c | 810 | /* Turn appearance modes of the face. */ |
7be1c21a | 811 | tty_highlight_if_desired (tty); |
e882229c NR |
812 | turn_on_face (f, face_id); |
813 | ||
814 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
815 | conversion_buffer = encode_terminal_code (string, len, coding); | |
816 | if (coding->produced > 0) | |
817 | { | |
818 | BLOCK_INPUT; | |
7be1c21a MB |
819 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
820 | if (ferror (tty->output)) | |
821 | clearerr (tty->output); | |
822 | if (tty->termscript) | |
823 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
824 | UNBLOCK_INPUT; |
825 | } | |
826 | ||
827 | /* Turn appearance modes off. */ | |
828 | turn_off_face (f, face_id); | |
7be1c21a | 829 | tty_turn_off_highlight (tty); |
e882229c | 830 | |
7be1c21a | 831 | cmcheckmagic (tty); |
e882229c | 832 | } |
b870aa61 | 833 | #endif |
e882229c | 834 | |
da8e1115 | 835 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 836 | |
ed8dad6b | 837 | static void |
385ed61f | 838 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
839 | { |
840 | char *buf; | |
6bbd7a29 | 841 | struct glyph *glyph = NULL; |
af645abf KH |
842 | unsigned char *conversion_buffer; |
843 | unsigned char space[1]; | |
844 | struct coding_system *coding; | |
08a24c47 | 845 | |
3224dac1 | 846 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 847 | |
fca177d4 | 848 | if (tty->TS_ins_multi_chars) |
08a24c47 | 849 | { |
50938595 | 850 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 851 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 852 | xfree (buf); |
08a24c47 | 853 | if (start) |
385ed61f | 854 | write_glyphs (f, start, len); |
08a24c47 JB |
855 | return; |
856 | } | |
857 | ||
ed8dad6b | 858 | tty_turn_on_insert (tty); |
6548cf00 | 859 | cmplus (tty, len); |
288d5132 KH |
860 | |
861 | if (! start) | |
862 | space[0] = SPACEGLYPH; | |
863 | ||
864 | /* If terminal_coding does any conversion, use it, otherwise use | |
865 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
866 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
867 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
868 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
869 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
870 | the tail. */ | |
871 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
872 | ||
07109bf9 | 873 | while (len-- > 0) |
08a24c47 | 874 | { |
fca177d4 | 875 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 876 | if (!start) |
32de38e4 | 877 | { |
288d5132 KH |
878 | conversion_buffer = space; |
879 | coding->produced = 1; | |
32de38e4 | 880 | } |
08a24c47 | 881 | else |
08a24c47 | 882 | { |
ed8dad6b | 883 | tty_highlight_if_desired (tty); |
32de38e4 | 884 | turn_on_face (f, start->face_id); |
816be8b8 | 885 | glyph = start; |
a168702a | 886 | ++start; |
a4decb7f KH |
887 | /* We must open sufficient space for a character which |
888 | occupies more than one column. */ | |
a168702a | 889 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 890 | { |
fca177d4 | 891 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
892 | start++, len--; |
893 | } | |
288d5132 KH |
894 | |
895 | if (len <= 0) | |
896 | /* This is the last glyph. */ | |
897 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
898 | ||
fad2f685 | 899 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 900 | } |
a4decb7f | 901 | |
288d5132 | 902 | if (coding->produced > 0) |
08a24c47 | 903 | { |
1a935bfd | 904 | BLOCK_INPUT; |
fad2f685 | 905 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
906 | if (ferror (tty->output)) |
907 | clearerr (tty->output); | |
908 | if (tty->termscript) | |
fad2f685 | 909 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 910 | UNBLOCK_INPUT; |
08a24c47 JB |
911 | } |
912 | ||
fca177d4 | 913 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 914 | if (start) |
65aa5e85 GM |
915 | { |
916 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 917 | tty_turn_off_highlight (tty); |
65aa5e85 | 918 | } |
9a6b6f92 | 919 | } |
177c0ea7 | 920 | |
6548cf00 | 921 | cmcheckmagic (tty); |
08a24c47 JB |
922 | } |
923 | ||
da8e1115 KL |
924 | /* An implementation of delete_glyphs for termcap frames. */ |
925 | ||
ed8dad6b | 926 | static void |
385ed61f | 927 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
928 | { |
929 | char *buf; | |
930 | register int i; | |
931 | ||
3224dac1 | 932 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 933 | |
fca177d4 | 934 | if (tty->delete_in_insert_mode) |
08a24c47 | 935 | { |
ed8dad6b | 936 | tty_turn_on_insert (tty); |
08a24c47 JB |
937 | } |
938 | else | |
939 | { | |
ed8dad6b | 940 | tty_turn_off_insert (tty); |
fca177d4 | 941 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
942 | } |
943 | ||
fca177d4 | 944 | if (tty->TS_del_multi_chars) |
08a24c47 | 945 | { |
50938595 | 946 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 947 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 948 | xfree (buf); |
08a24c47 JB |
949 | } |
950 | else | |
951 | for (i = 0; i < n; i++) | |
fca177d4 KL |
952 | OUTPUT1 (tty, tty->TS_del_char); |
953 | if (!tty->delete_in_insert_mode) | |
954 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
955 | } |
956 | \f | |
da8e1115 | 957 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 958 | |
ed8dad6b | 959 | static void |
385ed61f | 960 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 961 | { |
3224dac1 | 962 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
963 | const char *multi = |
964 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
965 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
966 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
967 | |
968 | register int i = n > 0 ? n : -n; | |
969 | register char *buf; | |
970 | ||
08a24c47 JB |
971 | /* If the lines below the insertion are being pushed |
972 | into the end of the window, this is the same as clearing; | |
973 | and we know the lines are already clear, since the matching | |
974 | deletion has already been done. So can ignore this. */ | |
975 | /* If the lines below the deletion are blank lines coming | |
976 | out of the end of the window, don't bother, | |
977 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
978 | if (FRAME_SCROLL_REGION_OK (f) |
979 | && vpos + i >= tty->specified_window) | |
08a24c47 | 980 | return; |
3224dac1 KL |
981 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
982 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 983 | return; |
f4d953fc | 984 | |
08a24c47 JB |
985 | if (multi) |
986 | { | |
6839f1e2 | 987 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 988 | tty_background_highlight (tty); |
50938595 | 989 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 990 | OUTPUT (tty, buf); |
9ac0d9e0 | 991 | xfree (buf); |
08a24c47 JB |
992 | } |
993 | else if (single) | |
994 | { | |
6839f1e2 | 995 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 996 | tty_background_highlight (tty); |
08a24c47 | 997 | while (--i >= 0) |
3224dac1 KL |
998 | OUTPUT (tty, single); |
999 | if (tty->TF_teleray) | |
1000 | curX (tty) = 0; | |
08a24c47 JB |
1001 | } |
1002 | else | |
1003 | { | |
ed8dad6b | 1004 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1005 | if (n < 0) |
6839f1e2 | 1006 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1007 | else |
6839f1e2 | 1008 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1009 | tty_background_highlight (tty); |
08a24c47 | 1010 | while (--i >= 0) |
3224dac1 | 1011 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1012 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1013 | } |
f4d953fc | 1014 | |
3224dac1 KL |
1015 | if (!FRAME_SCROLL_REGION_OK (f) |
1016 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1017 | && n < 0) | |
08a24c47 | 1018 | { |
385ed61f KL |
1019 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1020 | clear_to_end (f); | |
08a24c47 JB |
1021 | } |
1022 | } | |
1023 | \f | |
1024 | /* Compute cost of sending "str", in characters, | |
1025 | not counting any line-dependent padding. */ | |
1026 | ||
1027 | int | |
8ea90aa3 | 1028 | string_cost (const char *str) |
08a24c47 JB |
1029 | { |
1030 | cost = 0; | |
1031 | if (str) | |
1032 | tputs (str, 0, evalcost); | |
1033 | return cost; | |
1034 | } | |
1035 | ||
1036 | /* Compute cost of sending "str", in characters, | |
1037 | counting any line-dependent padding at one line. */ | |
1038 | ||
1039 | static int | |
8ea90aa3 | 1040 | string_cost_one_line (const char *str) |
08a24c47 JB |
1041 | { |
1042 | cost = 0; | |
1043 | if (str) | |
1044 | tputs (str, 1, evalcost); | |
1045 | return cost; | |
1046 | } | |
1047 | ||
1048 | /* Compute per line amount of line-dependent padding, | |
1049 | in tenths of characters. */ | |
1050 | ||
1051 | int | |
8ea90aa3 | 1052 | per_line_cost (const char *str) |
08a24c47 JB |
1053 | { |
1054 | cost = 0; | |
1055 | if (str) | |
1056 | tputs (str, 0, evalcost); | |
1057 | cost = - cost; | |
1058 | if (str) | |
1059 | tputs (str, 10, evalcost); | |
1060 | return cost; | |
1061 | } | |
1062 | ||
08a24c47 | 1063 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1064 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1065 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1066 | |
1067 | int *char_ins_del_vector; | |
1068 | ||
9882535b | 1069 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1070 | |
1071 | /* ARGSUSED */ | |
1072 | static void | |
6839f1e2 | 1073 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1074 | { |
28d7d09f | 1075 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1076 | int ins_startup_cost, del_startup_cost; |
1077 | int ins_cost_per_char, del_cost_per_char; | |
1078 | register int i; | |
1079 | register int *p; | |
1080 | ||
fca177d4 | 1081 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1082 | { |
1083 | ins_cost_per_char = 0; | |
fca177d4 | 1084 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1085 | } |
fca177d4 KL |
1086 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1087 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1088 | { |
fca177d4 KL |
1089 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1090 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1091 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1092 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1093 | } |
1094 | else | |
1095 | { | |
1096 | ins_startup_cost = 9999; | |
1097 | ins_cost_per_char = 0; | |
1098 | } | |
1099 | ||
fca177d4 | 1100 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1101 | { |
1102 | del_cost_per_char = 0; | |
fca177d4 | 1103 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1104 | } |
fca177d4 | 1105 | else if (tty->TS_del_char) |
08a24c47 | 1106 | { |
fca177d4 KL |
1107 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1108 | + string_cost (tty->TS_end_delete_mode)); | |
1109 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1110 | del_startup_cost /= 2; |
fca177d4 | 1111 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1112 | } |
1113 | else | |
1114 | { | |
1115 | del_startup_cost = 9999; | |
1116 | del_cost_per_char = 0; | |
1117 | } | |
1118 | ||
1119 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1120 | p = &char_ins_del_cost (f)[0]; |
1121 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1122 | *--p = (del_startup_cost += del_cost_per_char); |
1123 | ||
1124 | /* Doing nothing is free */ | |
fca177d4 | 1125 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1126 | *p++ = 0; |
1127 | ||
1128 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1129 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1130 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1131 | } | |
1132 | ||
dfcf069d | 1133 | void |
6839f1e2 | 1134 | calculate_costs (struct frame *frame) |
08a24c47 | 1135 | { |
9f732a77 | 1136 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1137 | |
28d440ab | 1138 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1139 | { |
1140 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1141 | register const char *f = (tty->TS_set_scroll_region |
1142 | ? tty->TS_set_scroll_region | |
1143 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1144 | |
daf01701 | 1145 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1146 | |
daf01701 | 1147 | tty->costs_set = 1; |
08a24c47 | 1148 | |
daf01701 KL |
1149 | /* These variables are only used for terminal stuff. They are |
1150 | allocated once for the terminal frame of X-windows emacs, but not | |
1151 | used afterwards. | |
8dd0c7cb | 1152 | |
daf01701 KL |
1153 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1154 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1155 | |
daf01701 | 1156 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1157 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1158 | < max_frame_cols) | |
fee31f82 | 1159 | memory_full (SIZE_MAX); |
08a24c47 | 1160 | |
0065d054 PE |
1161 | char_ins_del_vector = |
1162 | xrealloc (char_ins_del_vector, | |
1163 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1164 | |
72af86bd | 1165 | memset (char_ins_del_vector, 0, |
0065d054 | 1166 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1167 | |
daf01701 KL |
1168 | |
1169 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1170 | do_line_insertion_deletion_costs (frame, | |
1171 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1172 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1173 | f, f, 1); | |
1174 | else | |
1175 | do_line_insertion_deletion_costs (frame, | |
1176 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1177 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1178 | 0, 0, 1); | |
1179 | ||
1180 | calculate_ins_del_char_costs (frame); | |
1181 | ||
1182 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1183 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1184 | tty->RPov = string_cost (tty->TS_repeat); | |
1185 | else | |
1186 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1187 | |
daf01701 KL |
1188 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1189 | } | |
08a24c47 JB |
1190 | } |
1191 | \f | |
a796ac82 | 1192 | struct fkey_table { |
fbceeba2 | 1193 | const char *cap, *name; |
a796ac82 JB |
1194 | }; |
1195 | ||
01d8deb0 ER |
1196 | /* Termcap capability names that correspond directly to X keysyms. |
1197 | Some of these (marked "terminfo") aren't supplied by old-style | |
1198 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1199 | except we put the keypad keys first, so that if they clash with | |
1200 | other keys (as on the IBM PC keyboard) they get overridden. | |
1201 | */ | |
1202 | ||
648801d1 | 1203 | static const struct fkey_table keys[] = |
a168702a | 1204 | { |
8103ad1a PJ |
1205 | {"kh", "home"}, /* termcap */ |
1206 | {"kl", "left"}, /* termcap */ | |
1207 | {"ku", "up"}, /* termcap */ | |
1208 | {"kr", "right"}, /* termcap */ | |
1209 | {"kd", "down"}, /* termcap */ | |
1210 | {"%8", "prior"}, /* terminfo */ | |
1211 | {"%5", "next"}, /* terminfo */ | |
1212 | {"@7", "end"}, /* terminfo */ | |
1213 | {"@1", "begin"}, /* terminfo */ | |
1214 | {"*6", "select"}, /* terminfo */ | |
1215 | {"%9", "print"}, /* terminfo */ | |
1216 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1217 | /* |
1218 | * "insert" --- see below | |
1219 | */ | |
8103ad1a PJ |
1220 | {"&8", "undo"}, /* terminfo */ |
1221 | {"%0", "redo"}, /* terminfo */ | |
1222 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1223 | {"@0", "find"}, /* terminfo */ | |
1224 | {"@2", "cancel"}, /* terminfo */ | |
1225 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1226 | /* |
1227 | * "break" goes here, but can't be reliably intercepted with termcap | |
1228 | */ | |
8103ad1a | 1229 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1230 | /* |
1231 | * "system" and "user" --- no termcaps | |
1232 | */ | |
8103ad1a PJ |
1233 | {"kE", "clearline"}, /* terminfo */ |
1234 | {"kA", "insertline"}, /* terminfo */ | |
1235 | {"kL", "deleteline"}, /* terminfo */ | |
1236 | {"kI", "insertchar"}, /* terminfo */ | |
1237 | {"kD", "deletechar"}, /* terminfo */ | |
1238 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1239 | /* |
1240 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1241 | */ | |
8103ad1a | 1242 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1243 | /* |
1244 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1245 | * "kp-multiply", "kp-add", "kp-separator", | |
1246 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1247 | * --- no termcaps for any of these. | |
1248 | */ | |
8103ad1a | 1249 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1250 | /* |
1251 | * "kp-2" --- no termcap | |
1252 | */ | |
8103ad1a | 1253 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1254 | /* |
1255 | * "kp-4" --- no termcap | |
1256 | */ | |
8103ad1a | 1257 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1258 | /* |
1259 | * "kp-6" --- no termcap | |
1260 | */ | |
8103ad1a | 1261 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1262 | /* |
1263 | * "kp-8" --- no termcap | |
1264 | */ | |
8103ad1a | 1265 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1266 | /* |
1267 | * "kp-equal" --- no termcap | |
1268 | */ | |
8103ad1a PJ |
1269 | {"k1", "f1"}, |
1270 | {"k2", "f2"}, | |
1271 | {"k3", "f3"}, | |
1272 | {"k4", "f4"}, | |
1273 | {"k5", "f5"}, | |
1274 | {"k6", "f6"}, | |
1275 | {"k7", "f7"}, | |
1276 | {"k8", "f8"}, | |
60ec7b7e DN |
1277 | {"k9", "f9"}, |
1278 | ||
1279 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1280 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1281 | {"*0", "S-find"}, /*shifted find key*/ | |
1282 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1283 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1284 | {"*7", "S-end"}, /*shifted end key*/ | |
1285 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1286 | {"#1", "S-help"}, /*shifted help key*/ | |
1287 | {"#2", "S-home"}, /*shifted home key*/ | |
1288 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1289 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1290 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1291 | {"%c", "S-next"}, /*shifted next key*/ | |
1292 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1293 | {"%f", "S-print"}, /*shifted print key*/ | |
1294 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1295 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1296 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1297 | }; |
1298 | ||
361358ea | 1299 | #ifndef DOS_NT |
e7cf0fa0 KL |
1300 | static char **term_get_fkeys_address; |
1301 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1302 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1303 | |
4f4a84ec | 1304 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1305 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1306 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1307 | |
ed8dad6b | 1308 | static void |
d3da34e0 | 1309 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1310 | { |
1311 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1312 | errors during the call. The only errors should be from Fdefine_key | |
1313 | when given a key sequence containing an invalid prefix key. If the | |
1314 | termcap defines function keys which use a prefix that is already bound | |
1315 | to a command by the default bindings, we should silently ignore that | |
1316 | function key specification, rather than giving the user an error and | |
1317 | refusing to run at all on such a terminal. */ | |
1318 | ||
e7cf0fa0 KL |
1319 | term_get_fkeys_address = address; |
1320 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1321 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1322 | } | |
1323 | ||
1324 | static Lisp_Object | |
d3da34e0 | 1325 | term_get_fkeys_1 (void) |
5c2c7893 | 1326 | { |
5c2c7893 JB |
1327 | int i; |
1328 | ||
e7cf0fa0 KL |
1329 | char **address = term_get_fkeys_address; |
1330 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1331 | |
3e65092f | 1332 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 TT |
1333 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
1334 | KVAR (kboard, Vinput_decode_map) = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1335 | |
5c2c7893 JB |
1336 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1337 | { | |
1338 | char *sequence = tgetstr (keys[i].cap, address); | |
1339 | if (sequence) | |
1344aad4 | 1340 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1341 | Fmake_vector (make_number (1), |
1342 | intern (keys[i].name))); | |
5c2c7893 | 1343 | } |
a796ac82 JB |
1344 | |
1345 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1346 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1347 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1348 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1349 | */ | |
1350 | { | |
fbceeba2 PE |
1351 | const char *k_semi = tgetstr ("k;", address); |
1352 | const char *k0 = tgetstr ("k0", address); | |
1353 | const char *k0_name = "f10"; | |
a796ac82 JB |
1354 | |
1355 | if (k_semi) | |
1356 | { | |
95c11956 SM |
1357 | if (k0) |
1358 | /* Define f0 first, so that f10 takes precedence in case the | |
1359 | key sequences happens to be the same. */ | |
1344aad4 | 1360 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1361 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1362 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1363 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1364 | } |
95c11956 | 1365 | else if (k0) |
1344aad4 | 1366 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1367 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1368 | } |
01d8deb0 ER |
1369 | |
1370 | /* Set up cookies for numbered function keys above f10. */ | |
1371 | { | |
1372 | char fcap[3], fkey[4]; | |
1373 | ||
fc4f24da | 1374 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1375 | for (i = 11; i < 64; i++) |
1376 | { | |
1377 | if (i <= 19) | |
1378 | fcap[1] = '1' + i - 11; | |
1379 | else if (i <= 45) | |
b59ab95c | 1380 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1381 | else |
b59ab95c | 1382 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1383 | |
fc4f24da RS |
1384 | { |
1385 | char *sequence = tgetstr (fcap, address); | |
1386 | if (sequence) | |
1387 | { | |
465db27b | 1388 | sprintf (fkey, "f%d", i); |
1344aad4 | 1389 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1390 | Fmake_vector (make_number (1), |
1391 | intern (fkey))); | |
fc4f24da RS |
1392 | } |
1393 | } | |
01d8deb0 ER |
1394 | } |
1395 | } | |
1396 | ||
1397 | /* | |
1398 | * Various mappings to try and get a better fit. | |
1399 | */ | |
1400 | { | |
fc4f24da RS |
1401 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1402 | if (!tgetstr (cap1, address)) \ | |
1403 | { \ | |
1404 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1405 | if (sequence) \ |
1344aad4 | 1406 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1407 | Fmake_vector (make_number (1), \ |
1408 | intern (sym))); \ | |
fc4f24da | 1409 | } |
177c0ea7 | 1410 | |
01d8deb0 | 1411 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1412 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1413 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1414 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1415 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1416 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1417 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1418 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1419 | |
1420 | /* IBM has their own non-standard dialect of terminfo. | |
1421 | If the standard name isn't found, try the IBM name. */ | |
1422 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1423 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1424 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1425 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1426 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1427 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1428 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1429 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1430 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1431 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1432 | } |
a168702a GM |
1433 | |
1434 | return Qnil; | |
5c2c7893 | 1435 | } |
361358ea | 1436 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1437 | |
1438 | \f | |
a168702a GM |
1439 | /*********************************************************************** |
1440 | Character Display Information | |
1441 | ***********************************************************************/ | |
f57e2426 J |
1442 | static void append_glyph (struct it *); |
1443 | static void produce_stretch_glyph (struct it *); | |
1444 | static void append_composite_glyph (struct it *); | |
1445 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1446 | static void append_glyphless_glyph (struct it *, int, const char *); |
b18fad6d | 1447 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); |
a168702a GM |
1448 | |
1449 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1450 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1451 | the character for which to produce glyphs; IT->face_id contains the | |
1452 | character's face. Padding glyphs are appended if IT->c has a | |
1453 | IT->pixel_width > 1. */ | |
177c0ea7 | 1454 | |
a168702a | 1455 | static void |
d3da34e0 | 1456 | append_glyph (struct it *it) |
a168702a GM |
1457 | { |
1458 | struct glyph *glyph, *end; | |
1459 | int i; | |
1460 | ||
1461 | xassert (it->glyph_row); | |
1462 | glyph = (it->glyph_row->glyphs[it->area] | |
1463 | + it->glyph_row->used[it->area]); | |
1464 | end = it->glyph_row->glyphs[1 + it->area]; | |
1465 | ||
5e65aec0 EZ |
1466 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1467 | than append it. */ | |
1468 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1469 | { | |
1470 | struct glyph *g; | |
1471 | int move_by = it->pixel_width; | |
1472 | ||
1473 | /* Make room for the new glyphs. */ | |
1474 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1475 | move_by = end - glyph; | |
1476 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1477 | g[move_by] = *g; | |
1478 | glyph = it->glyph_row->glyphs[it->area]; | |
1479 | end = glyph + move_by; | |
1480 | } | |
1481 | ||
1482 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1483 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1484 | identical, and (b) the PADDING_P flag needs to be set for the | |
1485 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1486 | for (i = 0; |
1487 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1488 | ++i) |
1489 | { | |
1490 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1491 | glyph->pixel_width = 1; |
d2b4c17d | 1492 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1493 | glyph->face_id = it->face_id; |
1494 | glyph->padding_p = i > 0; | |
a168702a GM |
1495 | glyph->charpos = CHARPOS (it->position); |
1496 | glyph->object = it->object; | |
5e65aec0 EZ |
1497 | if (it->bidi_p) |
1498 | { | |
1499 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1500 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1501 | abort (); | |
5e65aec0 EZ |
1502 | glyph->bidi_type = it->bidi_it.type; |
1503 | } | |
9443b3c7 EZ |
1504 | else |
1505 | { | |
1506 | glyph->resolved_level = 0; | |
1507 | glyph->bidi_type = UNKNOWN_BT; | |
1508 | } | |
177c0ea7 | 1509 | |
a168702a GM |
1510 | ++it->glyph_row->used[it->area]; |
1511 | ++glyph; | |
1512 | } | |
1513 | } | |
1514 | ||
b50fe468 RS |
1515 | /* Produce glyphs for the display element described by IT. *IT |
1516 | specifies what we want to produce a glyph for (character, image, ...), | |
1517 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1518 | produce_glyphs fills in output fields of *IT with information such as the | |
1519 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1520 | the same time if IT->glyph_row is non-null. For an overview, see |
1521 | the explanation in dispextern.h, before the definition of the | |
1522 | display_element_type enumeration. | |
b50fe468 RS |
1523 | |
1524 | produce_glyphs also stores the result of glyph width, ascent | |
1525 | etc. computations in *IT. | |
1526 | ||
1527 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1528 | actually fill in the glyphs. This is used in the move_* functions | |
1529 | in xdisp.c for text width and height computations. | |
1530 | ||
1531 | Callers usually don't call produce_glyphs directly; | |
1532 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1533 | |
177c0ea7 | 1534 | void |
d3da34e0 | 1535 | produce_glyphs (struct it *it) |
a168702a GM |
1536 | { |
1537 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1538 | |
1539 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1540 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1541 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1542 | || it->what == IT_STRETCH |
1543 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1544 | |
6b61353c KH |
1545 | if (it->what == IT_STRETCH) |
1546 | { | |
1547 | produce_stretch_glyph (it); | |
1548 | goto done; | |
1549 | } | |
1550 | ||
4c12d738 KH |
1551 | if (it->what == IT_COMPOSITION) |
1552 | { | |
1553 | produce_composite_glyph (it); | |
1554 | goto done; | |
1555 | } | |
a168702a | 1556 | |
b18fad6d KH |
1557 | if (it->what == IT_GLYPHLESS) |
1558 | { | |
1559 | produce_glyphless_glyph (it, 0, Qnil); | |
1560 | goto done; | |
1561 | } | |
1562 | ||
d419e1d9 | 1563 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1564 | { |
1565 | it->pixel_width = it->nglyphs = 1; | |
1566 | if (it->glyph_row) | |
1567 | append_glyph (it); | |
1568 | } | |
d419e1d9 | 1569 | else if (it->char_to_display == '\n') |
a168702a | 1570 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1571 | else if (it->char_to_display == '\t') |
a168702a | 1572 | { |
2efdbcdd | 1573 | int absolute_x = (it->current_x |
a168702a | 1574 | + it->continuation_lines_width); |
177c0ea7 JB |
1575 | int next_tab_x |
1576 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1577 | / it->tab_width) |
1578 | * it->tab_width); | |
1579 | int nspaces; | |
1580 | ||
1581 | /* If part of the TAB has been displayed on the previous line | |
1582 | which is continued now, continuation_lines_width will have | |
1583 | been incremented already by the part that fitted on the | |
1584 | continued line. So, we will get the right number of spaces | |
1585 | here. */ | |
1586 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1587 | |
a168702a GM |
1588 | if (it->glyph_row) |
1589 | { | |
1590 | int n = nspaces; | |
177c0ea7 | 1591 | |
d2b4c17d | 1592 | it->char_to_display = ' '; |
a168702a | 1593 | it->pixel_width = it->len = 1; |
177c0ea7 | 1594 | |
a168702a GM |
1595 | while (n--) |
1596 | append_glyph (it); | |
a168702a GM |
1597 | } |
1598 | ||
1599 | it->pixel_width = nspaces; | |
1600 | it->nglyphs = nspaces; | |
1601 | } | |
d419e1d9 | 1602 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1603 | { |
d419e1d9 KH |
1604 | /* Coming here means that we must send the raw 8-bit byte as is |
1605 | to the terminal. Although there's no way to know how many | |
1606 | columns it occupies on a screen, it is a good assumption that | |
1607 | a single byte code has 1-column width. */ | |
1608 | it->pixel_width = it->nglyphs = 1; | |
1609 | if (it->glyph_row) | |
1610 | append_glyph (it); | |
add44890 | 1611 | } |
a168702a GM |
1612 | else |
1613 | { | |
b18fad6d | 1614 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1615 | |
b18fad6d KH |
1616 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1617 | { | |
1618 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1619 | it->nglyphs = it->pixel_width; | |
1620 | if (it->glyph_row) | |
1621 | append_glyph (it); | |
1622 | } | |
1623 | else | |
1624 | { | |
1625 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1626 | ||
1627 | xassert (it->what == IT_GLYPHLESS); | |
1628 | produce_glyphless_glyph (it, 1, acronym); | |
1629 | } | |
a168702a GM |
1630 | } |
1631 | ||
6b61353c | 1632 | done: |
177c0ea7 | 1633 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1634 | the caller. */ |
1635 | if (it->area == TEXT_AREA) | |
1636 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1637 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1638 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1639 | } |
1640 | ||
1641 | ||
6b61353c KH |
1642 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1643 | of the glyph property displayed. The value must be a list | |
1644 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1645 | being recognized: | |
1646 | ||
1647 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1648 | canonical char width wide. WIDTH may be an integer or floating | |
1649 | point number. | |
1650 | ||
1651 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1652 | to reach HPOS, a value in canonical character units. */ | |
1653 | ||
1654 | static void | |
d3da34e0 | 1655 | produce_stretch_glyph (struct it *it) |
6b61353c KH |
1656 | { |
1657 | /* (space :width WIDTH ...) */ | |
1658 | Lisp_Object prop, plist; | |
1659 | int width = 0, align_to = -1; | |
1660 | int zero_width_ok_p = 0; | |
1661 | double tem; | |
1662 | ||
1663 | /* List should start with `space'. */ | |
1664 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1665 | plist = XCDR (it->object); | |
1666 | ||
1667 | /* Compute the width of the stretch. */ | |
1668 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1669 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1670 | { | |
1671 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1672 | zero_width_ok_p = 1; | |
1673 | width = (int)(tem + 0.5); | |
1674 | } | |
1675 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1676 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1677 | { | |
1678 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1679 | align_to = (align_to < 0 |
6b61353c KH |
1680 | ? 0 |
1681 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1682 | else if (align_to < 0) | |
1683 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1684 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1685 | zero_width_ok_p = 1; | |
1686 | } | |
1687 | else | |
1688 | /* Nothing specified -> width defaults to canonical char width. */ | |
1689 | width = FRAME_COLUMN_WIDTH (it->f); | |
1690 | ||
1691 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1692 | width = 1; | |
1693 | ||
d5221487 CY |
1694 | if (width > 0 && it->line_wrap != TRUNCATE |
1695 | && it->current_x + width > it->last_visible_x) | |
1696 | width = it->last_visible_x - it->current_x - 1; | |
1697 | ||
6b61353c KH |
1698 | if (width > 0 && it->glyph_row) |
1699 | { | |
1700 | Lisp_Object o_object = it->object; | |
1701 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1702 | int n = width; | |
6b61353c KH |
1703 | |
1704 | if (!STRINGP (object)) | |
1705 | object = it->w->buffer; | |
1706 | it->object = object; | |
d2b4c17d | 1707 | it->char_to_display = ' '; |
6b61353c KH |
1708 | it->pixel_width = it->len = 1; |
1709 | while (n--) | |
1710 | append_glyph (it); | |
1711 | it->object = o_object; | |
6b61353c KH |
1712 | } |
1713 | it->pixel_width = width; | |
1714 | it->nglyphs = width; | |
1715 | } | |
1716 | ||
1717 | ||
4c12d738 KH |
1718 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1719 | Called from produce_composite_glyph for terminal frames if | |
1720 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1721 | face. */ | |
1722 | ||
1723 | static void | |
d3da34e0 | 1724 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1725 | { |
1726 | struct glyph *glyph; | |
1727 | ||
1728 | xassert (it->glyph_row); | |
1729 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1730 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1731 | { | |
93d68d0c EZ |
1732 | /* If the glyph row is reversed, we need to prepend the glyph |
1733 | rather than append it. */ | |
1734 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1735 | { | |
1736 | struct glyph *g; | |
1737 | ||
1738 | /* Make room for the new glyph. */ | |
1739 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1740 | g[1] = *g; | |
1741 | glyph = it->glyph_row->glyphs[it->area]; | |
1742 | } | |
4c12d738 KH |
1743 | glyph->type = COMPOSITE_GLYPH; |
1744 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1745 | glyph->u.cmp.id = it->cmp_it.id; |
1746 | if (it->cmp_it.ch < 0) | |
1747 | { | |
1748 | glyph->u.cmp.automatic = 0; | |
1749 | glyph->u.cmp.id = it->cmp_it.id; | |
1750 | } | |
1751 | else | |
1752 | { | |
1753 | glyph->u.cmp.automatic = 1; | |
1754 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1755 | glyph->slice.cmp.from = it->cmp_it.from; |
1756 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1757 | } |
1758 | ||
4c12d738 KH |
1759 | glyph->face_id = it->face_id; |
1760 | glyph->padding_p = 0; | |
1761 | glyph->charpos = CHARPOS (it->position); | |
1762 | glyph->object = it->object; | |
93d68d0c EZ |
1763 | if (it->bidi_p) |
1764 | { | |
1765 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1766 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1767 | abort (); | |
1768 | glyph->bidi_type = it->bidi_it.type; | |
1769 | } | |
1770 | else | |
1771 | { | |
1772 | glyph->resolved_level = 0; | |
1773 | glyph->bidi_type = UNKNOWN_BT; | |
1774 | } | |
4c12d738 KH |
1775 | |
1776 | ++it->glyph_row->used[it->area]; | |
1777 | ++glyph; | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | ||
1782 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1783 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1784 | assuming that the terminal has a capability to layout/render it |
1785 | correctly. */ | |
4c12d738 KH |
1786 | |
1787 | static void | |
d3da34e0 | 1788 | produce_composite_glyph (struct it *it) |
4c12d738 | 1789 | { |
75a10786 KH |
1790 | if (it->cmp_it.ch < 0) |
1791 | { | |
1792 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1793 | ||
d0984aff | 1794 | it->pixel_width = cmp->width; |
75a10786 KH |
1795 | } |
1796 | else | |
1797 | { | |
1798 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1799 | |
75a10786 KH |
1800 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1801 | it->cmp_it.to, NULL); | |
1802 | } | |
1803 | it->nglyphs = 1; | |
4c12d738 KH |
1804 | if (it->glyph_row) |
1805 | append_composite_glyph (it); | |
1806 | } | |
1807 | ||
1808 | ||
b18fad6d | 1809 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1810 | is a face ID to be used for the glyph. What is actually appended |
1811 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1812 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1813 | |
1814 | static void | |
fbceeba2 | 1815 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1816 | { |
1817 | struct glyph *glyph, *end; | |
b18fad6d KH |
1818 | int i; |
1819 | ||
1820 | xassert (it->glyph_row); | |
1821 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1822 | end = it->glyph_row->glyphs[1 + it->area]; | |
1823 | ||
1824 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1825 | than append it. */ | |
1826 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1827 | { | |
1828 | struct glyph *g; | |
1829 | int move_by = it->pixel_width; | |
1830 | ||
1831 | /* Make room for the new glyphs. */ | |
1832 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1833 | move_by = end - glyph; | |
1834 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1835 | g[move_by] = *g; | |
1836 | glyph = it->glyph_row->glyphs[it->area]; | |
1837 | end = glyph + move_by; | |
1838 | } | |
1839 | ||
1840 | if (glyph >= end) | |
1841 | return; | |
1842 | glyph->type = CHAR_GLYPH; | |
1843 | glyph->pixel_width = 1; | |
1844 | glyph->face_id = face_id; | |
1845 | glyph->padding_p = 0; | |
1846 | glyph->charpos = CHARPOS (it->position); | |
1847 | glyph->object = it->object; | |
1848 | if (it->bidi_p) | |
1849 | { | |
1850 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1851 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1852 | abort (); | |
1853 | glyph->bidi_type = it->bidi_it.type; | |
1854 | } | |
1855 | else | |
1856 | { | |
1857 | glyph->resolved_level = 0; | |
1858 | glyph->bidi_type = UNKNOWN_BT; | |
1859 | } | |
1860 | ||
1861 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1862 | the REVERSED_P case because we write to the terminal | |
1863 | left-to-right. */ | |
1864 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1865 | { | |
1866 | if (i > 0) | |
1867 | glyph[0] = glyph[-1]; | |
1868 | glyph->u.ch = str[i]; | |
1869 | ++it->glyph_row->used[it->area]; | |
1870 | ++glyph; | |
1871 | } | |
1872 | } | |
1873 | ||
b18fad6d KH |
1874 | /* Produce glyphs for a glyphless character for iterator IT. |
1875 | IT->glyphless_method specifies which method to use for displaying | |
1876 | the character. See the description of enum | |
0eb025fb | 1877 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1878 | |
1879 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
1880 | is not supproted by the coding system of the terminal. ACRONYM, if | |
1881 | non-nil, is an acronym string for the character. | |
1882 | ||
1883 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1884 | ||
1885 | static void | |
1886 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1887 | { | |
1888 | int face_id; | |
0eb025fb | 1889 | int len; |
80f2e268 | 1890 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1891 | char const *str = " "; |
b18fad6d KH |
1892 | |
1893 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1894 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1895 | if (it->f == last_glyphless_glyph_frame |
1896 | && it->face_id == last_glyphless_glyph_face_id) | |
1897 | { | |
1898 | face_id = last_glyphless_glyph_merged_face_id; | |
1899 | } | |
1900 | else | |
1901 | { | |
1902 | /* Merge the `glyphless-char' face into the current face. */ | |
1903 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1904 | last_glyphless_glyph_frame = it->f; | |
1905 | last_glyphless_glyph_face_id = it->face_id; | |
1906 | last_glyphless_glyph_merged_face_id = face_id; | |
1907 | } | |
1908 | ||
1909 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1910 | { | |
0eb025fb EZ |
1911 | /* As there's no way to produce a thin space, we produce a space |
1912 | of canonical width. */ | |
b18fad6d KH |
1913 | len = 1; |
1914 | } | |
1915 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1916 | { | |
1917 | len = CHAR_WIDTH (it->c); | |
1918 | if (len == 0) | |
1919 | len = 1; | |
0eb025fb | 1920 | else if (len > 4) |
b18fad6d | 1921 | len = 4; |
0eb025fb EZ |
1922 | sprintf (buf, "[%.*s]", len, str); |
1923 | len += 2; | |
1924 | str = buf; | |
b18fad6d KH |
1925 | } |
1926 | else | |
1927 | { | |
1928 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1929 | { | |
b18fad6d KH |
1930 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1931 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1932 | if (CONSP (acronym)) |
1933 | acronym = XCDR (acronym); | |
b18fad6d | 1934 | buf[0] = '['; |
51b59d79 | 1935 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1936 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1937 | buf[1 + len] = str[len]; | |
1938 | buf[1 + len] = ']'; | |
1939 | len += 2; | |
1940 | } | |
1941 | else | |
1942 | { | |
0eb025fb | 1943 | xassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1944 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1945 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1946 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1947 | } |
1948 | str = buf; | |
1949 | } | |
1950 | ||
1951 | it->pixel_width = len; | |
1952 | it->nglyphs = len; | |
d284567f | 1953 | if (it->glyph_row) |
b18fad6d KH |
1954 | append_glyphless_glyph (it, face_id, str); |
1955 | } | |
1956 | ||
1957 | ||
a168702a GM |
1958 | /* Get information about special display element WHAT in an |
1959 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1960 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1961 | non-null glyph_row member. This function ensures that fields like | |
1962 | face_id, c, len of IT are left untouched. */ | |
1963 | ||
1964 | void | |
d3da34e0 | 1965 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
1966 | { |
1967 | struct it temp_it; | |
f4d953fc | 1968 | Lisp_Object gc; |
072d84a6 | 1969 | GLYPH glyph; |
177c0ea7 | 1970 | |
a168702a GM |
1971 | temp_it = *it; |
1972 | temp_it.dp = NULL; | |
1973 | temp_it.what = IT_CHARACTER; | |
1974 | temp_it.len = 1; | |
7c752c80 | 1975 | temp_it.object = make_number (0); |
72af86bd | 1976 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
1977 | |
1978 | if (what == IT_CONTINUATION) | |
1979 | { | |
26cdf528 EZ |
1980 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
1981 | if (it->bidi_it.paragraph_dir == R2L) | |
1982 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
1983 | else | |
1984 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 1985 | if (it->dp |
f4d953fc KS |
1986 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1987 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1988 | { |
26cdf528 | 1989 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
1990 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1991 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1992 | } |
a168702a GM |
1993 | } |
1994 | else if (what == IT_TRUNCATION) | |
1995 | { | |
1996 | /* Truncation glyph. */ | |
f4d953fc | 1997 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1998 | if (it->dp |
f4d953fc KS |
1999 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2000 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2001 | { |
26cdf528 | 2002 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2003 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2004 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2005 | } |
a168702a GM |
2006 | } |
2007 | else | |
2008 | abort (); | |
072d84a6 | 2009 | |
d419e1d9 | 2010 | temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph); |
f4d953fc | 2011 | temp_it.face_id = GLYPH_FACE (glyph); |
072d84a6 RS |
2012 | temp_it.len = CHAR_BYTES (temp_it.c); |
2013 | ||
2014 | produce_glyphs (&temp_it); | |
2015 | it->pixel_width = temp_it.pixel_width; | |
2016 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
2017 | } |
2018 | ||
2019 | ||
a168702a GM |
2020 | \f |
2021 | /*********************************************************************** | |
2022 | Faces | |
2023 | ***********************************************************************/ | |
2024 | ||
4e6ba4a4 GM |
2025 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2026 | one of the enumerators from enum no_color_bit, or a bit set built | |
2027 | from them. Some display attributes may not be used together with | |
2028 | color; the termcap capability `NC' specifies which ones. */ | |
2029 | ||
fca177d4 KL |
2030 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
2031 | (tty->TN_max_colors > 0 \ | |
2032 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
2033 | : 1) | |
a168702a | 2034 | |
072d84a6 RS |
2035 | /* Turn appearances of face FACE_ID on tty frame F on. |
2036 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
2037 | |
2038 | static void | |
d3da34e0 | 2039 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
2040 | { |
2041 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2042 | long fg = face->foreground; |
2043 | long bg = face->background; | |
28d7d09f | 2044 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2045 | |
86a7d192 GM |
2046 | /* Do this first because TS_end_standout_mode may be the same |
2047 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 2048 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 2049 | { |
fca177d4 | 2050 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
2051 | { |
2052 | if (fg >= 0 && bg >= 0) | |
2053 | { | |
2054 | /* If the terminal supports colors, we can set them | |
2055 | below without using reverse video. The face's fg | |
2056 | and bg colors are set as they should appear on | |
2057 | the screen, i.e. they take the inverse-video'ness | |
2058 | of the face already into account. */ | |
2059 | } | |
2060 | else if (inverse_video) | |
2061 | { | |
2062 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2063 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2064 | tty_toggle_highlight (tty); |
86a7d192 GM |
2065 | } |
2066 | else | |
2067 | { | |
2068 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2069 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2070 | tty_toggle_highlight (tty); |
86a7d192 GM |
2071 | } |
2072 | } | |
2073 | else | |
2074 | { | |
2075 | /* If we can't display colors, use reverse video | |
2076 | if the face specifies that. */ | |
37526b42 GM |
2077 | if (inverse_video) |
2078 | { | |
2079 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2080 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2081 | tty_toggle_highlight (tty); |
37526b42 GM |
2082 | } |
2083 | else | |
2084 | { | |
2085 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2086 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2087 | tty_toggle_highlight (tty); |
37526b42 | 2088 | } |
86a7d192 GM |
2089 | } |
2090 | } | |
a168702a | 2091 | |
4189ed40 CY |
2092 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2093 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2094 | ||
2095 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
2096 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
2097 | |
2098 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 2099 | if (face->tty_alt_charset_p |
fca177d4 KL |
2100 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
2101 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 2102 | |
4e6ba4a4 | 2103 | if (face->tty_blinking_p |
fca177d4 KL |
2104 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
2105 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 2106 | |
fca177d4 KL |
2107 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2108 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2109 | |
fca177d4 | 2110 | if (tty->TN_max_colors > 0) |
a168702a | 2111 | { |
fbceeba2 PE |
2112 | const char *ts; |
2113 | char *p; | |
177c0ea7 | 2114 | |
fbf34973 | 2115 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2116 | if (fg >= 0 && ts) |
a168702a | 2117 | { |
50938595 | 2118 | p = tparam (ts, NULL, 0, (int) fg, 0, 0, 0); |
6548cf00 | 2119 | OUTPUT (tty, p); |
a168702a GM |
2120 | xfree (p); |
2121 | } | |
2122 | ||
fbf34973 | 2123 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2124 | if (bg >= 0 && ts) |
a168702a | 2125 | { |
50938595 | 2126 | p = tparam (ts, NULL, 0, (int) bg, 0, 0, 0); |
6548cf00 | 2127 | OUTPUT (tty, p); |
a168702a GM |
2128 | xfree (p); |
2129 | } | |
2130 | } | |
2131 | } | |
177c0ea7 | 2132 | |
a168702a GM |
2133 | |
2134 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2135 | ||
2136 | static void | |
d3da34e0 | 2137 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2138 | { |
2139 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2140 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2141 | |
2142 | xassert (face != NULL); | |
2143 | ||
fca177d4 | 2144 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2145 | { |
2146 | /* Capability "me" will turn off appearance modes double-bright, | |
2147 | half-bright, reverse-video, standout, underline. It may or | |
2148 | may not turn off alt-char-mode. */ | |
2149 | if (face->tty_bold_p | |
2150 | || face->tty_dim_p | |
2151 | || face->tty_reverse_p | |
2152 | || face->tty_alt_charset_p | |
2153 | || face->tty_blinking_p | |
2154 | || face->tty_underline_p) | |
65aa5e85 | 2155 | { |
fca177d4 KL |
2156 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2157 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2158 | tty->standout_mode = 0; | |
65aa5e85 | 2159 | } |
a168702a GM |
2160 | |
2161 | if (face->tty_alt_charset_p) | |
fca177d4 | 2162 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2163 | } |
2164 | else | |
2165 | { | |
2166 | /* If we don't have "me" we can only have those appearances | |
2167 | that have exit sequences defined. */ | |
2168 | if (face->tty_alt_charset_p) | |
fca177d4 | 2169 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2170 | |
54800acb | 2171 | if (face->tty_underline_p) |
fca177d4 | 2172 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2173 | } |
2174 | ||
2175 | /* Switch back to default colors. */ | |
fca177d4 | 2176 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2177 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2178 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2179 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2180 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2181 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2182 | } |
177c0ea7 JB |
2183 | |
2184 | ||
b63a55ac MB |
2185 | /* Return non-zero if the terminal on frame F supports all of the |
2186 | capabilities in CAPS simultaneously, with foreground and background | |
2187 | colors FG and BG. */ | |
2188 | ||
4a8130f2 | 2189 | int |
d3da34e0 JB |
2190 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2191 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2192 | { |
fca177d4 KL |
2193 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2194 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2195 | return 0; |
2196 | ||
fca177d4 KL |
2197 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2198 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2199 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2200 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2201 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2202 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2203 | |
2204 | /* We can do it! */ | |
2205 | return 1; | |
2206 | } | |
2207 | ||
a168702a GM |
2208 | /* Return non-zero if the terminal is capable to display colors. */ |
2209 | ||
2210 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2211 | 0, 1, 0, |
6ed8eeff KL |
2212 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2213 | ||
401e9e57 CY |
2214 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2215 | selected frame's terminal). This function always returns nil if | |
2216 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2217 | (Lisp_Object terminal) |
a168702a | 2218 | { |
717a00ef | 2219 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2220 | if (!t) |
428a555e | 2221 | return Qnil; |
3224dac1 | 2222 | else |
6ed8eeff | 2223 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2224 | } |
2225 | ||
bfa62f96 EZ |
2226 | /* Return the number of supported colors. */ |
2227 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2228 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2229 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2230 | ||
401e9e57 CY |
2231 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2232 | selected frame's terminal). This function always returns 0 if | |
2233 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2234 | (Lisp_Object terminal) |
bfa62f96 | 2235 | { |
717a00ef | 2236 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2237 | if (!t) |
8c8d5f35 | 2238 | return make_number (0); |
3224dac1 | 2239 | else |
6ed8eeff | 2240 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2241 | } |
2242 | ||
84704c5c | 2243 | #ifndef DOS_NT |
a168702a | 2244 | |
5205ee62 GM |
2245 | /* Declare here rather than in the function, as in the rest of Emacs, |
2246 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2247 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2248 | static int default_max_colors; |
2249 | static int default_max_pairs; | |
2250 | static int default_no_color_video; | |
2251 | static char *default_orig_pair; | |
2252 | static char *default_set_foreground; | |
2253 | static char *default_set_background; | |
fcf8ff2e | 2254 | |
ace28297 EZ |
2255 | /* Save or restore the default color-related capabilities of this |
2256 | terminal. */ | |
2257 | static void | |
28d7d09f | 2258 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2259 | { |
ace28297 EZ |
2260 | |
2261 | if (save) | |
2262 | { | |
70fdbb46 | 2263 | xfree (default_orig_pair); |
fca177d4 | 2264 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2265 | |
70fdbb46 | 2266 | xfree (default_set_foreground); |
fca177d4 | 2267 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2268 | : NULL; |
2269 | ||
70fdbb46 | 2270 | xfree (default_set_background); |
fca177d4 | 2271 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2272 | : NULL; |
2273 | ||
fca177d4 KL |
2274 | default_max_colors = tty->TN_max_colors; |
2275 | default_max_pairs = tty->TN_max_pairs; | |
2276 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2277 | } |
2278 | else | |
2279 | { | |
fca177d4 KL |
2280 | tty->TS_orig_pair = default_orig_pair; |
2281 | tty->TS_set_foreground = default_set_foreground; | |
2282 | tty->TS_set_background = default_set_background; | |
2283 | tty->TN_max_colors = default_max_colors; | |
2284 | tty->TN_max_pairs = default_max_pairs; | |
2285 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2286 | } |
2287 | } | |
2288 | ||
2289 | /* Setup one of the standard tty color schemes according to MODE. | |
2290 | MODE's value is generally the number of colors which we want to | |
2291 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2292 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2293 | static void |
28d7d09f | 2294 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2295 | { |
6b61353c KH |
2296 | /* Canonicalize all negative values of MODE. */ |
2297 | if (mode < -1) | |
2298 | mode = -1; | |
2299 | ||
ace28297 EZ |
2300 | switch (mode) |
2301 | { | |
2302 | case -1: /* no colors at all */ | |
fca177d4 KL |
2303 | tty->TN_max_colors = 0; |
2304 | tty->TN_max_pairs = 0; | |
2305 | tty->TN_no_color_video = 0; | |
2306 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2307 | break; |
2308 | case 0: /* default colors, if any */ | |
2309 | default: | |
fca177d4 | 2310 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2311 | break; |
2312 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2313 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2314 | #ifdef TERMINFO |
fca177d4 KL |
2315 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2316 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2317 | #else |
fca177d4 KL |
2318 | tty->TS_set_foreground = "\033[3%dm"; |
2319 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2320 | #endif |
fca177d4 KL |
2321 | tty->TN_max_colors = 8; |
2322 | tty->TN_max_pairs = 64; | |
2323 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2324 | break; |
2325 | } | |
2326 | } | |
2327 | ||
2328 | void | |
d3da34e0 | 2329 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2330 | { |
ce5b453a | 2331 | Lisp_Object tem, val; |
9b2cd403 SM |
2332 | Lisp_Object color_mode; |
2333 | int mode; | |
9b2cd403 SM |
2334 | Lisp_Object tty_color_mode_alist |
2335 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2336 | |
c23b5410 | 2337 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2338 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2339 | |
6b61353c | 2340 | if (INTEGERP (val)) |
ace28297 | 2341 | color_mode = val; |
ce5b453a | 2342 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2343 | { |
ce5b453a | 2344 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2345 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2346 | } |
ce5b453a SM |
2347 | else |
2348 | color_mode = Qnil; | |
6b61353c | 2349 | |
9b2cd403 | 2350 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2351 | |
9b2cd403 | 2352 | if (mode != tty->previous_color_mode) |
ace28297 | 2353 | { |
9b2cd403 SM |
2354 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2355 | tty->previous_color_mode = mode; | |
2356 | tty_setup_colors (tty , mode); | |
2357 | /* This recomputes all the faces given the new color definitions. */ | |
2358 | safe_call (1, &funsym); | |
ace28297 EZ |
2359 | } |
2360 | } | |
2361 | ||
84704c5c | 2362 | #endif /* !DOS_NT */ |
a168702a GM |
2363 | |
2364 | \f | |
28d440ab | 2365 | |
6ed8eeff | 2366 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2367 | |
64520e5c | 2368 | static struct terminal * |
717a00ef | 2369 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2370 | { |
717a00ef | 2371 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2372 | |
84704c5c | 2373 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2374 | { |
2375 | if (throw) | |
2376 | error ("Device %d is not a termcap terminal device", t->id); | |
2377 | else | |
2378 | return NULL; | |
2379 | } | |
b6660415 | 2380 | |
6ed8eeff | 2381 | return t; |
b6660415 KL |
2382 | } |
2383 | ||
ab797f65 KL |
2384 | /* Return an active termcap device that uses the tty device with the |
2385 | given name. | |
b6660415 | 2386 | |
7e59217d | 2387 | This function ignores suspended devices. |
da8e1115 KL |
2388 | |
2389 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2390 | |
6ed8eeff | 2391 | struct terminal * |
8ea90aa3 | 2392 | get_named_tty (const char *name) |
28d440ab | 2393 | { |
6ed8eeff KL |
2394 | struct terminal *t; |
2395 | ||
ab797f65 KL |
2396 | if (!name) |
2397 | abort (); | |
2398 | ||
2399 | for (t = terminal_list; t; t = t->next_terminal) | |
2400 | { | |
5cc67f65 | 2401 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2402 | && !strcmp (t->display_info.tty->name, name) |
2403 | && TERMINAL_ACTIVE_P (t)) | |
2404 | return t; | |
2405 | } | |
28d440ab KL |
2406 | |
2407 | return 0; | |
2408 | } | |
2409 | ||
2410 | \f | |
a7ca3326 | 2411 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2412 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2413 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2414 | |
401e9e57 CY |
2415 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2416 | selected frame's terminal). */) | |
5842a27b | 2417 | (Lisp_Object terminal) |
b6660415 | 2418 | { |
6ed8eeff | 2419 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2420 | |
84704c5c | 2421 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2422 | return Qnil; |
2423 | ||
6ed8eeff KL |
2424 | if (t->display_info.tty->type) |
2425 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2426 | else |
2427 | return Qnil; | |
2428 | } | |
2429 | ||
6ed8eeff | 2430 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2431 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2432 | |
401e9e57 CY |
2433 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2434 | selected frame's terminal). This function always returns nil if | |
2435 | TERMINAL is not on a tty device. */) | |
5842a27b | 2436 | (Lisp_Object terminal) |
4a933ef8 | 2437 | { |
6ed8eeff | 2438 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2439 | |
84704c5c EZ |
2440 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2441 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2442 | return Qnil; |
2443 | else | |
2444 | return Qt; | |
2445 | } | |
2446 | ||
a3fbb897 | 2447 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2448 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2449 | This is used to override the terminfo data, for certain terminals that |
2450 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2451 | no effect if used on a non-tty terminal. |
a3fbb897 | 2452 | |
401e9e57 CY |
2453 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2454 | selected frame's terminal). This function always returns nil if | |
2455 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2456 | (Lisp_Object terminal) |
a3fbb897 | 2457 | { |
6ed8eeff | 2458 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2459 | |
6ed8eeff KL |
2460 | if (t->type == output_termcap) |
2461 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2462 | return Qnil; |
2463 | } | |
2464 | ||
ed8dad6b KL |
2465 | \f |
2466 | ||
2467 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2468 | doc: /* Suspend the terminal device TTY. | |
2469 | ||
2470 | The device is restored to its default state, and Emacs ceases all | |
2471 | access to the tty device. Frames that use the device are not deleted, | |
2472 | but input is not read from them and if they change, their display is | |
2473 | not updated. | |
2474 | ||
401e9e57 CY |
2475 | TTY may be a terminal object, a frame, or nil for the terminal device |
2476 | of the currently selected frame. | |
ed8dad6b | 2477 | |
e4019195 | 2478 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2479 | device. The functions are run with one arg, the id of the suspended |
2480 | terminal device. | |
2481 | ||
2482 | `suspend-tty' does nothing if it is called on a device that is already | |
2483 | suspended. | |
2484 | ||
2485 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2486 | (Lisp_Object tty) |
ed8dad6b | 2487 | { |
717a00ef | 2488 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2489 | FILE *f; |
f4d953fc | 2490 | |
6ed8eeff | 2491 | if (!t) |
ed8dad6b KL |
2492 | error ("Unknown tty device"); |
2493 | ||
6ed8eeff | 2494 | f = t->display_info.tty->input; |
f4d953fc | 2495 | |
ed8dad6b KL |
2496 | if (f) |
2497 | { | |
23d4cba5 DN |
2498 | /* First run `suspend-tty-functions' and then clean up the tty |
2499 | state because `suspend-tty-functions' might need to change | |
2500 | the tty state. */ | |
dee091a3 JD |
2501 | Lisp_Object args[2]; |
2502 | args[0] = intern ("suspend-tty-functions"); | |
2503 | XSETTERMINAL (args[1], t); | |
2504 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2505 | |
6ed8eeff | 2506 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2507 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2508 | |
84704c5c | 2509 | #ifndef MSDOS |
ed8dad6b | 2510 | fclose (f); |
6ed8eeff KL |
2511 | if (f != t->display_info.tty->output) |
2512 | fclose (t->display_info.tty->output); | |
84704c5c | 2513 | #endif |
f4d953fc | 2514 | |
6ed8eeff KL |
2515 | t->display_info.tty->input = 0; |
2516 | t->display_info.tty->output = 0; | |
ed8dad6b | 2517 | |
6ed8eeff KL |
2518 | if (FRAMEP (t->display_info.tty->top_frame)) |
2519 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2520 | |
ed8dad6b KL |
2521 | } |
2522 | ||
4a665758 KL |
2523 | /* Clear display hooks to prevent further output. */ |
2524 | clear_tty_hooks (t); | |
2525 | ||
ed8dad6b KL |
2526 | return Qnil; |
2527 | } | |
2528 | ||
2529 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2530 | doc: /* Resume the previously suspended terminal device TTY. | |
2531 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2532 | suspended terminal are revived. |
ed8dad6b | 2533 | |
6ed8eeff KL |
2534 | It is an error to resume a terminal while another terminal is active |
2535 | on the same device. | |
ed8dad6b | 2536 | |
e4019195 | 2537 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2538 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2539 | device. |
2540 | ||
2541 | `resume-tty' does nothing if it is called on a device that is not | |
2542 | suspended. | |
2543 | ||
401e9e57 CY |
2544 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2545 | frame's terminal). */) | |
5842a27b | 2546 | (Lisp_Object tty) |
ed8dad6b | 2547 | { |
717a00ef | 2548 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2549 | int fd; |
2550 | ||
6ed8eeff | 2551 | if (!t) |
ed8dad6b KL |
2552 | error ("Unknown tty device"); |
2553 | ||
6ed8eeff | 2554 | if (!t->display_info.tty->input) |
ed8dad6b | 2555 | { |
6ed8eeff | 2556 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2557 | error ("Cannot resume display while another display is active on the same device"); |
2558 | ||
84704c5c EZ |
2559 | #ifdef MSDOS |
2560 | t->display_info.tty->output = stdout; | |
2561 | t->display_info.tty->input = stdin; | |
2562 | #else /* !MSDOS */ | |
6ed8eeff | 2563 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2564 | |
59b3194c KL |
2565 | if (fd == -1) |
2566 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2567 | |
78048085 | 2568 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2569 | dissociate_if_controlling_tty (fd); |
78048085 | 2570 | |
6ed8eeff KL |
2571 | t->display_info.tty->output = fdopen (fd, "w+"); |
2572 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2573 | #endif |
78048085 | 2574 | |
ed8dad6b KL |
2575 | add_keyboard_wait_descriptor (fd); |
2576 | ||
6ed8eeff | 2577 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2578 | { |
2579 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2580 | int width, height; | |
2581 | int old_height = FRAME_COLS (f); | |
2582 | int old_width = FRAME_LINES (f); | |
2583 | ||
2584 | /* Check if terminal/window size has changed while the frame | |
2585 | was suspended. */ | |
2586 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2587 | if (width != old_width || height != old_height) | |
2588 | change_frame_size (f, height, width, 0, 0, 0); | |
2589 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2590 | } | |
ed8dad6b | 2591 | |
04f2d78b | 2592 | set_tty_hooks (t); |
6ed8eeff | 2593 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2594 | |
dee091a3 JD |
2595 | { |
2596 | /* Run `resume-tty-functions'. */ | |
2597 | Lisp_Object args[2]; | |
2598 | args[0] = intern ("resume-tty-functions"); | |
2599 | XSETTERMINAL (args[1], t); | |
2600 | Frun_hook_with_args (2, args); | |
2601 | } | |
ed8dad6b KL |
2602 | } |
2603 | ||
4a665758 KL |
2604 | set_tty_hooks (t); |
2605 | ||
ed8dad6b KL |
2606 | return Qnil; |
2607 | } | |
a3fbb897 | 2608 | |
819b8f00 | 2609 | \f |
e882229c NR |
2610 | /*********************************************************************** |
2611 | Mouse | |
2612 | ***********************************************************************/ | |
2613 | ||
7e5a23bd | 2614 | #ifdef HAVE_GPM |
64520e5c PE |
2615 | |
2616 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2617 | void |
2618 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2619 | { |
1ec5dc77 | 2620 | /* TODO: how to set mouse position? |
94da14a0 NR |
2621 | const char *name; |
2622 | int fd; | |
2623 | name = (const char *) ttyname (0); | |
2624 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2625 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2626 | close (fd); |
2627 | last_mouse_x = x; | |
80fb2ce0 | 2628 | last_mouse_y = y; */ |
94da14a0 | 2629 | } |
64520e5c | 2630 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2631 | |
cf482c50 EZ |
2632 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2633 | void | |
2634 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2635 | int start_hpos, int end_hpos, | |
2636 | enum draw_glyphs_face draw) | |
e882229c | 2637 | { |
cf482c50 EZ |
2638 | int nglyphs = end_hpos - start_hpos; |
2639 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2640 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2641 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2642 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2643 | |
cf482c50 EZ |
2644 | if (end_hpos >= row->used[TEXT_AREA]) |
2645 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2646 | |
cf482c50 EZ |
2647 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2648 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2649 | |
cf482c50 EZ |
2650 | /* Save current cursor co-ordinates. */ |
2651 | save_y = curY (tty); | |
2652 | save_x = curX (tty); | |
2653 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2654 | |
cf482c50 EZ |
2655 | if (draw == DRAW_MOUSE_FACE) |
2656 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2657 | nglyphs, face_id); | |
2658 | else if (draw == DRAW_NORMAL_TEXT) | |
2659 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2660 | |
cf482c50 | 2661 | cursor_to (f, save_y, save_x); |
e882229c NR |
2662 | } |
2663 | ||
2664 | static int | |
2665 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2666 | { | |
2667 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2668 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2669 | { | |
2670 | frame->mouse_moved = 1; | |
cf482c50 | 2671 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2672 | /* Remember which glyph we're now on. */ |
2673 | last_mouse_x = event->x; | |
2674 | last_mouse_y = event->y; | |
2675 | return 1; | |
2676 | } | |
2677 | return 0; | |
2678 | } | |
2679 | ||
2680 | /* Return the current position of the mouse. | |
2681 | ||
2682 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2683 | Emacs frame. If it is set to zero, all the other arguments are | |
2684 | garbage. | |
2685 | ||
2686 | Set *bar_window to Qnil, and *x and *y to the column and | |
2687 | row of the character cell the mouse is over. | |
2688 | ||
7f3f1250 | 2689 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2690 | |
80fb2ce0 | 2691 | This clears mouse_moved until the next motion |
94da14a0 | 2692 | event arrives. */ |
e882229c NR |
2693 | static void |
2694 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2695 | enum scroll_bar_part *part, Lisp_Object *x, | |
08dc5ae6 | 2696 | Lisp_Object *y, Time *timeptr) |
e882229c | 2697 | { |
e882229c | 2698 | struct timeval now; |
f6a24d19 | 2699 | Time sec, usec; |
e882229c NR |
2700 | |
2701 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2702 | (*fp)->mouse_moved = 0; |
e882229c NR |
2703 | |
2704 | *bar_window = Qnil; | |
2705 | *part = 0; | |
2706 | ||
80fb2ce0 | 2707 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2708 | XSETINT (*y, last_mouse_y); |
e882229c | 2709 | gettimeofday(&now, 0); |
f6a24d19 PE |
2710 | sec = now.tv_sec; |
2711 | usec = now.tv_usec; | |
2712 | *timeptr = (sec * 1000) + (usec / 1000); | |
e882229c NR |
2713 | } |
2714 | ||
2715 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2716 | ||
2717 | If the event is a button press, then note that we have grabbed | |
2718 | the mouse. */ | |
2719 | ||
2720 | static Lisp_Object | |
2721 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2722 | struct frame *f) | |
2723 | { | |
2724 | struct timeval now; | |
2725 | int i, j; | |
2726 | ||
2727 | result->kind = GPM_CLICK_EVENT; | |
2728 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2729 | { | |
2730 | if (event->buttons & j) { | |
2731 | result->code = i; /* button number */ | |
2732 | break; | |
2733 | } | |
2734 | } | |
2735 | gettimeofday(&now, 0); | |
2736 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2737 | ||
2738 | if (event->type & GPM_UP) | |
2739 | result->modifiers = up_modifier; | |
2740 | else if (event->type & GPM_DOWN) | |
2741 | result->modifiers = down_modifier; | |
2742 | else | |
2743 | result->modifiers = 0; | |
f4d953fc | 2744 | |
e882229c NR |
2745 | if (event->type & GPM_SINGLE) |
2746 | result->modifiers |= click_modifier; | |
f4d953fc | 2747 | |
e882229c NR |
2748 | if (event->type & GPM_DOUBLE) |
2749 | result->modifiers |= double_modifier; | |
2750 | ||
2751 | if (event->type & GPM_TRIPLE) | |
2752 | result->modifiers |= triple_modifier; | |
2753 | ||
2754 | if (event->type & GPM_DRAG) | |
2755 | result->modifiers |= drag_modifier; | |
2756 | ||
80fb2ce0 | 2757 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2758 | |
2759 | /* 1 << KG_SHIFT */ | |
2760 | if (event->modifiers & (1 << 0)) | |
2761 | result->modifiers |= shift_modifier; | |
2762 | ||
2763 | /* 1 << KG_CTRL */ | |
2764 | if (event->modifiers & (1 << 2)) | |
2765 | result->modifiers |= ctrl_modifier; | |
2766 | ||
2767 | /* 1 << KG_ALT || KG_ALTGR */ | |
2768 | if (event->modifiers & (1 << 3) | |
2769 | || event->modifiers & (1 << 1)) | |
2770 | result->modifiers |= meta_modifier; | |
2771 | } | |
2772 | ||
80fb2ce0 NR |
2773 | XSETINT (result->x, event->x); |
2774 | XSETINT (result->y, event->y); | |
e882229c NR |
2775 | XSETFRAME (result->frame_or_window, f); |
2776 | result->arg = Qnil; | |
2777 | return Qnil; | |
2778 | } | |
2779 | ||
f4d953fc | 2780 | int |
7be1c21a | 2781 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2782 | { |
7be1c21a | 2783 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2784 | struct input_event ie; |
2785 | int do_help = 0; | |
2786 | int count = 0; | |
2787 | ||
2788 | EVENT_INIT (ie); | |
2789 | ie.kind = NO_EVENT; | |
2790 | ie.arg = Qnil; | |
2791 | ||
80fb2ce0 | 2792 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2793 | previous_help_echo_string = help_echo_string; |
2794 | help_echo_string = Qnil; | |
2795 | ||
6178ce5e | 2796 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2797 | |
80fb2ce0 NR |
2798 | if (!term_mouse_movement (f, event)) |
2799 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2800 | |
2801 | /* If the contents of the global variable help_echo_string | |
2802 | has changed, generate a HELP_EVENT. */ | |
2803 | if (!NILP (help_echo_string) | |
2804 | || !NILP (previous_help_echo_string)) | |
2805 | do_help = 1; | |
2806 | ||
2807 | goto done; | |
2808 | } | |
2809 | else { | |
2810 | f->mouse_moved = 0; | |
2811 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2812 | } |
2813 | ||
2814 | done: | |
2815 | if (ie.kind != NO_EVENT) | |
2816 | { | |
2817 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2818 | count++; | |
2819 | } | |
2820 | ||
2821 | if (do_help | |
2822 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2823 | { | |
2824 | Lisp_Object frame; | |
2825 | ||
2826 | if (f) | |
2827 | XSETFRAME (frame, f); | |
2828 | else | |
2829 | frame = Qnil; | |
2830 | ||
2831 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2832 | help_echo_object, help_echo_pos); | |
2833 | count++; | |
2834 | } | |
2835 | ||
2836 | return count; | |
2837 | } | |
2838 | ||
6178ce5e | 2839 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2840 | 0, 0, 0, |
71f44e7a | 2841 | doc: /* Open a connection to Gpm. |
6178ce5e | 2842 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2843 | (void) |
e882229c | 2844 | { |
71f44e7a SM |
2845 | struct frame *f = SELECTED_FRAME (); |
2846 | struct tty_display_info *tty | |
2847 | = ((f)->output_method == output_termcap | |
2848 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2849 | Gpm_Connect connection; |
2850 | ||
6178ce5e SM |
2851 | if (!tty) |
2852 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2853 | if (gpm_tty == tty) |
2854 | return Qnil; /* Already activated, nothing to do. */ | |
2855 | if (gpm_tty) | |
2856 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2857 | |
e882229c NR |
2858 | connection.eventMask = ~0; |
2859 | connection.defaultMask = ~GPM_HARD; | |
2860 | connection.maxMod = ~0; | |
2861 | connection.minMod = 0; | |
80fb2ce0 | 2862 | gpm_zerobased = 1; |
e882229c NR |
2863 | |
2864 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2865 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2866 | else |
2867 | { | |
71f44e7a | 2868 | gpm_tty = tty; |
1023cbed SM |
2869 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2870 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2871 | before calling init_sys_modes. */ | |
7be1c21a MB |
2872 | reset_sys_modes (tty); |
2873 | init_sys_modes (tty); | |
e882229c | 2874 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2875 | return Qnil; |
e882229c NR |
2876 | } |
2877 | } | |
2878 | ||
ed5ff21d | 2879 | void |
d347e494 | 2880 | close_gpm (int fd) |
ed5ff21d | 2881 | { |
d347e494 SM |
2882 | if (fd >= 0) |
2883 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2884 | while (Gpm_Close()); /* close all the stack */ |
2885 | gpm_tty = NULL; | |
2886 | } | |
2887 | ||
6178ce5e | 2888 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2889 | 0, 0, 0, |
2890 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2891 | (void) |
e882229c | 2892 | { |
4ce5ab77 SM |
2893 | struct frame *f = SELECTED_FRAME (); |
2894 | struct tty_display_info *tty | |
2895 | = ((f)->output_method == output_termcap | |
2896 | ? (f)->terminal->display_info.tty : NULL); | |
2897 | ||
2898 | if (!tty || gpm_tty != tty) | |
2899 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2900 | |
d347e494 | 2901 | close_gpm (gpm_fd); |
6178ce5e | 2902 | return Qnil; |
e882229c | 2903 | } |
7e5a23bd | 2904 | #endif /* HAVE_GPM */ |
e882229c NR |
2905 | |
2906 | \f | |
89ba96f4 | 2907 | #ifndef MSDOS |
a168702a GM |
2908 | /*********************************************************************** |
2909 | Initialization | |
2910 | ***********************************************************************/ | |
2911 | ||
ed8dad6b KL |
2912 | /* Initialize the tty-dependent part of frame F. The frame must |
2913 | already have its device initialized. */ | |
3224dac1 | 2914 | |
dfcf069d | 2915 | void |
ed8dad6b | 2916 | create_tty_output (struct frame *f) |
28d440ab | 2917 | { |
ed8dad6b KL |
2918 | struct tty_output *t; |
2919 | ||
2920 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2921 | abort (); |
2922 | ||
ed8dad6b | 2923 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 2924 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 2925 | |
6ed8eeff | 2926 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2927 | |
ed8dad6b | 2928 | f->output_data.tty = t; |
3224dac1 KL |
2929 | } |
2930 | ||
9f215d25 | 2931 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2932 | |
ed8dad6b | 2933 | static void |
9f215d25 | 2934 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2935 | { |
ed8dad6b | 2936 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2937 | abort (); |
2938 | ||
9f215d25 CY |
2939 | if (FRAME_FACE_CACHE (f)) |
2940 | free_frame_faces (f); | |
2941 | ||
ed8dad6b | 2942 | xfree (f->output_data.tty); |
28d440ab KL |
2943 | } |
2944 | ||
89ba96f4 EZ |
2945 | #else /* MSDOS */ |
2946 | ||
2947 | /* Delete frame F's face cache. */ | |
2948 | ||
2949 | static void | |
2950 | tty_free_frame_resources (struct frame *f) | |
2951 | { | |
2952 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
2953 | abort (); | |
2954 | ||
2955 | if (FRAME_FACE_CACHE (f)) | |
2956 | free_frame_faces (f); | |
2957 | } | |
2958 | #endif /* MSDOS */ | |
ed8dad6b | 2959 | \f |
47cc8819 | 2960 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2961 | |
4a665758 KL |
2962 | static void |
2963 | clear_tty_hooks (struct terminal *terminal) | |
2964 | { | |
2965 | terminal->rif = 0; | |
2966 | terminal->cursor_to_hook = 0; | |
2967 | terminal->raw_cursor_to_hook = 0; | |
2968 | terminal->clear_to_end_hook = 0; | |
2969 | terminal->clear_frame_hook = 0; | |
2970 | terminal->clear_end_of_line_hook = 0; | |
2971 | terminal->ins_del_lines_hook = 0; | |
2972 | terminal->insert_glyphs_hook = 0; | |
2973 | terminal->write_glyphs_hook = 0; | |
2974 | terminal->delete_glyphs_hook = 0; | |
2975 | terminal->ring_bell_hook = 0; | |
2976 | terminal->reset_terminal_modes_hook = 0; | |
2977 | terminal->set_terminal_modes_hook = 0; | |
2978 | terminal->update_begin_hook = 0; | |
2979 | terminal->update_end_hook = 0; | |
2980 | terminal->set_terminal_window_hook = 0; | |
2981 | terminal->mouse_position_hook = 0; | |
2982 | terminal->frame_rehighlight_hook = 0; | |
2983 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2984 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2985 | terminal->set_vertical_scroll_bar_hook = 0; |
2986 | terminal->condemn_scroll_bars_hook = 0; | |
2987 | terminal->redeem_scroll_bar_hook = 0; | |
2988 | terminal->judge_scroll_bars_hook = 0; | |
2989 | terminal->read_socket_hook = 0; | |
2990 | terminal->frame_up_to_date_hook = 0; | |
2991 | ||
2992 | /* Leave these two set, or suspended frames are not deleted | |
2993 | correctly. */ | |
9f215d25 | 2994 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2995 | terminal->delete_terminal_hook = &delete_tty; |
2996 | } | |
2997 | ||
47cc8819 DN |
2998 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2999 | ||
4a665758 KL |
3000 | static void |
3001 | set_tty_hooks (struct terminal *terminal) | |
3002 | { | |
3003 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3004 | ||
3005 | terminal->cursor_to_hook = &tty_cursor_to; | |
3006 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3007 | ||
3008 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3009 | terminal->clear_frame_hook = &tty_clear_frame; | |
3010 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3011 | ||
3012 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3013 | ||
3014 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3015 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3016 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3017 | ||
3018 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3019 | |
4a665758 KL |
3020 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3021 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3022 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3023 | terminal->update_end_hook = &tty_update_end; | |
3024 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3025 | ||
3026 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3027 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3028 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3029 | ||
3030 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3031 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3032 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3033 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3034 | ||
3035 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3036 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3037 | |
9f215d25 | 3038 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3039 | terminal->delete_terminal_hook = &delete_tty; |
3040 | } | |
3041 | ||
03a1d6bd | 3042 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3043 | static void |
03a1d6bd KL |
3044 | dissociate_if_controlling_tty (int fd) |
3045 | { | |
84704c5c | 3046 | #ifndef DOS_NT |
12e610e8 | 3047 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3048 | if (pgid != -1) |
3049 | { | |
6254cdda | 3050 | #if defined (USG5) |
03a1d6bd KL |
3051 | setpgrp (); |
3052 | no_controlling_tty = 1; | |
de52dcbb DN |
3053 | #elif defined (CYGWIN) |
3054 | setsid (); | |
3055 | no_controlling_tty = 1; | |
03a1d6bd KL |
3056 | #else |
3057 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3058 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3059 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3060 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3061 | { | |
3062 | no_controlling_tty = 1; | |
3063 | } | |
3064 | if (fd != -1) | |
3065 | emacs_close (fd); | |
3066 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3067 | #else |
8516815b KL |
3068 | /* Unknown system. */ |
3069 | croak (); | |
03a1d6bd KL |
3070 | #endif /* ! TIOCNOTTY */ |
3071 | #endif /* ! USG */ | |
71a96040 | 3072 | } |
84704c5c | 3073 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3074 | } |
3075 | ||
3224dac1 KL |
3076 | /* Create a termcap display on the tty device with the given name and |
3077 | type. | |
3078 | ||
ab797f65 | 3079 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3080 | Otherwise NAME should be a path to the tty device file, |
3081 | e.g. "/dev/pts/7". | |
28d440ab | 3082 | |
3224dac1 KL |
3083 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3084 | ||
3085 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3086 | |
6ed8eeff | 3087 | struct terminal * |
8ea90aa3 | 3088 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 3089 | { |
59b3194c | 3090 | char *area = NULL; |
08a24c47 | 3091 | char **address = &area; |
6b61353c | 3092 | int buffer_size = 4096; |
08a24c47 | 3093 | int status; |
59b3194c KL |
3094 | struct tty_display_info *tty = NULL; |
3095 | struct terminal *terminal = NULL; | |
3096 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3097 | |
3224dac1 | 3098 | if (!terminal_type) |
d31eee5e | 3099 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3100 | "Unknown terminal type", |
3101 | "Unknown terminal type"); | |
b6660415 | 3102 | |
ab797f65 | 3103 | if (name == NULL) |
78048085 EZ |
3104 | name = DEV_TTY; |
3105 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3106 | ctty = 1; |
3107 | ||
6ed8eeff KL |
3108 | /* If we already have a terminal on the given device, use that. If |
3109 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3110 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3111 | always create a new terminal and separating terminal and frame |
b6660415 | 3112 | creation on Lisp level. */ |
6ed8eeff KL |
3113 | terminal = get_named_tty (name); |
3114 | if (terminal) | |
3115 | return terminal; | |
78048085 | 3116 | |
6ed8eeff | 3117 | terminal = create_terminal (); |
84704c5c EZ |
3118 | #ifdef MSDOS |
3119 | if (been_here > 0) | |
762b15be | 3120 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3121 | name, ""); |
3122 | been_here = 1; | |
3123 | tty = &the_only_display_info; | |
3124 | #else | |
3224dac1 | 3125 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3126 | #endif |
72af86bd | 3127 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3128 | tty->next = tty_list; |
3129 | tty_list = tty; | |
428a555e | 3130 | |
6ed8eeff KL |
3131 | terminal->type = output_termcap; |
3132 | terminal->display_info.tty = tty; | |
3133 | tty->terminal = terminal; | |
28d440ab | 3134 | |
7b00d185 KL |
3135 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3136 | Wcm_clear (tty); | |
daf01701 | 3137 | |
dce4c2ac DN |
3138 | encode_terminal_src_size = 0; |
3139 | encode_terminal_dst_size = 0; | |
3140 | ||
51b59d79 | 3141 | |
84704c5c | 3142 | #ifndef DOS_NT |
4a665758 | 3143 | set_tty_hooks (terminal); |
78048085 | 3144 | |
59b3194c KL |
3145 | { |
3146 | int fd; | |
3147 | FILE *file; | |
0c72d684 KL |
3148 | |
3149 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3150 | if (!ctty) |
0c72d684 KL |
3151 | /* Open the terminal device. Don't recognize it as our |
3152 | controlling terminal, and don't make it the controlling tty | |
3153 | if we don't have one at the moment. */ | |
3154 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3155 | else |
0080dc6b | 3156 | #endif /* O_IGNORE_CTTY */ |
2666355c | 3157 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3158 | defined on Hurd. On other systems, we need to explicitly |
3159 | dissociate ourselves from the controlling tty when we want to | |
3160 | open a frame on the same terminal. */ | |
0c72d684 | 3161 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 | 3162 | |
97c6058a DN |
3163 | tty->name = xstrdup (name); |
3164 | terminal->name = xstrdup (name); | |
3165 | ||
59b3194c | 3166 | if (fd < 0) |
d31eee5e | 3167 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3168 | "Could not open file: %s", |
3169 | "Could not open file: %s", | |
3170 | name); | |
3171 | if (!isatty (fd)) | |
3172 | { | |
3173 | close (fd); | |
d31eee5e | 3174 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3175 | "Not a tty device: %s", |
3176 | "Not a tty device: %s", | |
3177 | name); | |
3178 | } | |
0c72d684 | 3179 | |
59b3194c KL |
3180 | #ifndef O_IGNORE_CTTY |
3181 | if (!ctty) | |
03a1d6bd | 3182 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3183 | #endif |
3184 | ||
3185 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3186 | tty->input = file; |
3187 | tty->output = file; | |
3188 | } | |
78048085 | 3189 | |
28d7d09f | 3190 | tty->type = xstrdup (terminal_type); |
28d440ab | 3191 | |
819b8f00 | 3192 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3193 | |
6548cf00 | 3194 | Wcm_clear (tty); |
08a24c47 | 3195 | |
d31eee5e | 3196 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3197 | |
03a1d6bd KL |
3198 | /* On some systems, tgetent tries to access the controlling |
3199 | terminal. */ | |
3200 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3201 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3202 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3203 | |
08a24c47 | 3204 | if (status < 0) |
b0347178 KH |
3205 | { |
3206 | #ifdef TERMINFO | |
d31eee5e | 3207 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3208 | "Cannot open terminfo database file", |
3209 | "Cannot open terminfo database file"); | |
b0347178 | 3210 | #else |
d31eee5e | 3211 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3212 | "Cannot open termcap database file", |
3213 | "Cannot open termcap database file"); | |
b0347178 KH |
3214 | #endif |
3215 | } | |
08a24c47 | 3216 | if (status == 0) |
b0347178 | 3217 | { |
d31eee5e | 3218 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3219 | "Terminal type %s is not defined", |
3220 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3221 | If that is not the actual type of terminal you have,\n\ |
3222 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3223 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3224 | #ifdef TERMINFO | |
3225 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3226 | #else |
84164a0d | 3227 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3228 | #endif |
84164a0d | 3229 | terminal_type); |
b0347178 | 3230 | } |
6b61353c KH |
3231 | |
3232 | #ifndef TERMINFO | |
d31eee5e | 3233 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3234 | abort (); |
d31eee5e | 3235 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3236 | #endif |
d31eee5e | 3237 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3238 | tty->TS_ins_line = tgetstr ("al", address); |
3239 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3240 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3241 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3242 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3243 | tty->TS_clr_line = tgetstr ("ce", address); | |
3244 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3245 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3246 | AbsPosition (tty) = tgetstr ("cm", address); | |
3247 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3248 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3249 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3250 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3251 | tty->TS_del_char = tgetstr ("dc", address); |
3252 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3253 | tty->TS_del_line = tgetstr ("dl", address); | |
3254 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3255 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3256 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3257 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3258 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3259 | tty->TS_ins_char = tgetstr ("ic", address); |
3260 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3261 | tty->TS_insert_mode = tgetstr ("im", address); | |
3262 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3263 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3264 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3265 | LastLine (tty) = tgetstr ("ll", address); |
3266 | Right (tty) = tgetstr ("nd", address); | |
3267 | Down (tty) = tgetstr ("do", address); | |
3268 | if (!Down (tty)) | |
3269 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3270 | if (tgetflag ("bs")) |
6548cf00 | 3271 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3272 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3273 | Left (tty) = tgetstr ("le", address); |
3274 | if (!Left (tty)) | |
3275 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3276 | tty->TS_pad_char = tgetstr ("pc", address); |
3277 | tty->TS_repeat = tgetstr ("rp", address); | |
3278 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3279 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3280 | tty->TS_standout_mode = tgetstr ("so", address); | |
3281 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3282 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3283 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3284 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3285 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3286 | tty->TS_visible_bell = tgetstr ("vb", address); |
3287 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3288 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3289 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3290 | tty->TS_set_window = tgetstr ("wi", address); | |
3291 | ||
3292 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3293 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3294 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3295 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3296 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3297 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3298 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3299 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3300 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3301 | |
6548cf00 KL |
3302 | MultiUp (tty) = tgetstr ("UP", address); |
3303 | MultiDown (tty) = tgetstr ("DO", address); | |
3304 | MultiLeft (tty) = tgetstr ("LE", address); | |
3305 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3306 | |
e7f90eab GM |
3307 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3308 | color because we can't switch back to the default foreground and | |
3309 | background. */ | |
fca177d4 KL |
3310 | tty->TS_orig_pair = tgetstr ("op", address); |
3311 | if (tty->TS_orig_pair) | |
a168702a | 3312 | { |
fca177d4 KL |
3313 | tty->TS_set_foreground = tgetstr ("AF", address); |
3314 | tty->TS_set_background = tgetstr ("AB", address); | |
3315 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3316 | { |
3317 | /* SVr4. */ | |
fca177d4 KL |
3318 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3319 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3320 | } |
177c0ea7 | 3321 | |
fca177d4 KL |
3322 | tty->TN_max_colors = tgetnum ("Co"); |
3323 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3324 | |
fca177d4 KL |
3325 | tty->TN_no_color_video = tgetnum ("NC"); |
3326 | if (tty->TN_no_color_video == -1) | |
3327 | tty->TN_no_color_video = 0; | |
a168702a | 3328 | } |
a168702a | 3329 | |
fca177d4 | 3330 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3331 | |
6548cf00 | 3332 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3333 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3334 | the former flag imply the latter. */ | |
6548cf00 | 3335 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3336 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3337 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3338 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3339 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3340 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3341 | tty->TF_standout_motion = tgetflag ("ms"); | |
3342 | tty->TF_underscore = tgetflag ("ul"); | |
3343 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3344 | |
dce4c2ac DN |
3345 | #else /* DOS_NT */ |
3346 | #ifdef WINDOWSNT | |
3347 | { | |
3348 | struct frame *f = XFRAME (selected_frame); | |
3349 | ||
3350 | initialize_w32_display (terminal); | |
3351 | ||
3352 | FrameRows (tty) = FRAME_LINES (f); | |
3353 | FrameCols (tty) = FRAME_COLS (f); | |
3354 | tty->specified_window = FRAME_LINES (f); | |
3355 | ||
3356 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3357 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3358 | terminal->char_ins_del_ok = 1; | |
3359 | baud_rate = 19200; | |
3360 | } | |
3361 | #else /* MSDOS */ | |
3362 | { | |
3363 | int height, width; | |
3364 | if (strcmp (terminal_type, "internal") == 0) | |
3365 | terminal->type = output_msdos_raw; | |
3366 | initialize_msdos_display (terminal); | |
3367 | ||
3368 | get_tty_size (fileno (tty->input), &width, &height); | |
3369 | FrameCols (tty) = width; | |
3370 | FrameRows (tty) = height; | |
3371 | terminal->char_ins_del_ok = 0; | |
3372 | init_baud_rate (fileno (tty->input)); | |
3373 | } | |
3374 | #endif /* MSDOS */ | |
3375 | tty->output = stdout; | |
3376 | tty->input = stdin; | |
3377 | /* The following two are inaccessible from w32console.c. */ | |
3378 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3379 | terminal->delete_terminal_hook = &delete_tty; | |
3380 | ||
3381 | tty->name = xstrdup (name); | |
3382 | terminal->name = xstrdup (name); | |
3383 | tty->type = xstrdup (terminal_type); | |
3384 | ||
3385 | add_keyboard_wait_descriptor (0); | |
3386 | ||
dce4c2ac DN |
3387 | tty->delete_in_insert_mode = 1; |
3388 | ||
3389 | UseTabs (tty) = 0; | |
3390 | terminal->scroll_region_ok = 0; | |
3391 | ||
3392 | /* Seems to insert lines when it's not supposed to, messing up the | |
3393 | display. In doing a trace, it didn't seem to be called much, so I | |
3394 | don't think we're losing anything by turning it off. */ | |
3395 | terminal->line_ins_del_ok = 0; | |
3396 | ||
3397 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3398 | #endif /* DOS_NT */ | |
3399 | ||
6bc8cd65 JB |
3400 | #ifdef HAVE_GPM |
3401 | terminal->mouse_position_hook = term_mouse_position; | |
3402 | tty->mouse_highlight.mouse_face_window = Qnil; | |
3403 | #endif | |
3404 | ||
6ed8eeff KL |
3405 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3406 | init_kboard (terminal->kboard); | |
1344aad4 | 3407 | KVAR (terminal->kboard, Vwindow_system) = Qnil; |
6ed8eeff KL |
3408 | terminal->kboard->next_kboard = all_kboards; |
3409 | all_kboards = terminal->kboard; | |
3410 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3411 | /* Don't let the initial kboard remain current longer than necessary. |
3412 | That would cause problems if a file loaded on startup tries to | |
3413 | prompt in the mini-buffer. */ | |
3414 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3415 | current_kboard = terminal->kboard; |
84704c5c | 3416 | #ifndef DOS_NT |
6ed8eeff | 3417 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3418 | |
ff11dfa1 | 3419 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3420 | { |
3421 | int height, width; | |
0b0d3e0b | 3422 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3423 | FrameCols (tty) = width; |
3424 | FrameRows (tty) = height; | |
3b12ce12 RS |
3425 | } |
3426 | ||
0a125897 KL |
3427 | if (FrameCols (tty) <= 0) |
3428 | FrameCols (tty) = tgetnum ("co"); | |
3429 | if (FrameRows (tty) <= 0) | |
3430 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3431 | |
0a125897 | 3432 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3433 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3434 | "Screen size %dx%d is too small", |
3224dac1 | 3435 | "Screen size %dx%d is too small", |
0a125897 | 3436 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3437 | |
6548cf00 | 3438 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3439 | |
fca177d4 KL |
3440 | if (!tty->TS_bell) |
3441 | tty->TS_bell = "\07"; | |
08a24c47 | 3442 | |
fca177d4 KL |
3443 | if (!tty->TS_fwd_scroll) |
3444 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3445 | |
fca177d4 | 3446 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3447 | |
6548cf00 KL |
3448 | if (TabWidth (tty) < 0) |
3449 | TabWidth (tty) = 8; | |
177c0ea7 | 3450 | |
08a24c47 JB |
3451 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3452 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3453 | if (!tty->Wcm->cm_tab) |
3454 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3455 | */ |
3456 | ||
54800acb MB |
3457 | /* We don't support standout modes that use `magic cookies', so |
3458 | turn off any that do. */ | |
fca177d4 | 3459 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3460 | { |
fca177d4 KL |
3461 | tty->TS_standout_mode = 0; |
3462 | tty->TS_end_standout_mode = 0; | |
54800acb | 3463 | } |
fca177d4 | 3464 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3465 | { |
fca177d4 KL |
3466 | tty->TS_enter_underline_mode = 0; |
3467 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3468 | } |
3469 | ||
3470 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3471 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3472 | { |
fca177d4 KL |
3473 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3474 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3475 | } |
3476 | ||
afd359c4 RS |
3477 | /* If no `se' string, try using a `me' string instead. |
3478 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3479 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3480 | { |
e4bfb3b6 | 3481 | char *s = tgetstr ("me", address); |
afd359c4 | 3482 | if (s != 0) |
fca177d4 | 3483 | tty->TS_end_standout_mode = s; |
afd359c4 | 3484 | else |
fca177d4 | 3485 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3486 | } |
3487 | ||
fca177d4 | 3488 | if (tty->TF_teleray) |
08a24c47 | 3489 | { |
6548cf00 | 3490 | tty->Wcm->cm_tab = 0; |
54800acb | 3491 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3492 | tty->TS_standout_mode = 0; |
08a24c47 | 3493 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3494 | CR (tty) = 0; |
08a24c47 JB |
3495 | /* LF can't be trusted either -- can alter hpos */ |
3496 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3497 | Down (tty) = 0; |
08a24c47 JB |
3498 | } |
3499 | ||
0a125897 | 3500 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3501 | |
6548cf00 | 3502 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3503 | { |
d31eee5e | 3504 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3505 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3506 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3507 | It lacks the ability to position the cursor.\n\ |
3508 | If that is not the actual type of terminal you have,\n\ | |
3509 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3510 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3511 | # ifdef TERMINFO | |
3512 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3513 | # else /* TERMCAP */ |
84164a0d | 3514 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3515 | # endif /* TERMINFO */ |
3224dac1 | 3516 | terminal_type); |
fca177d4 | 3517 | } |
daf01701 | 3518 | |
0a125897 | 3519 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3520 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3521 | "Could not determine the frame size", |
3522 | "Could not determine the frame size"); | |
08a24c47 | 3523 | |
fca177d4 KL |
3524 | tty->delete_in_insert_mode |
3525 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3526 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3527 | |
fca177d4 KL |
3528 | tty->se_is_so = (tty->TS_standout_mode |
3529 | && tty->TS_end_standout_mode | |
3530 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3531 | |
0b0d3e0b | 3532 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3533 | |
6ed8eeff | 3534 | terminal->scroll_region_ok |
6548cf00 | 3535 | = (tty->Wcm->cm_abs |
fca177d4 | 3536 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3537 | |
6ed8eeff | 3538 | terminal->line_ins_del_ok |
fca177d4 KL |
3539 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3540 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3541 | || (terminal->scroll_region_ok |
fca177d4 | 3542 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3543 | |
6ed8eeff | 3544 | terminal->char_ins_del_ok |
fca177d4 KL |
3545 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3546 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3547 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3548 | |
6ed8eeff | 3549 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3550 | |
0b0d3e0b | 3551 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3552 | |
84704c5c | 3553 | #endif /* not DOS_NT */ |
635e3b29 | 3554 | |
0a125897 KL |
3555 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3556 | init_sys_modes (tty); | |
daf01701 | 3557 | |
6ed8eeff | 3558 | return terminal; |
08a24c47 JB |
3559 | } |
3560 | ||
b3ffc17c DN |
3561 | |
3562 | static void | |
3563 | vfatal (const char *str, va_list ap) | |
3564 | { | |
3565 | fprintf (stderr, "emacs: "); | |
3566 | vfprintf (stderr, str, ap); | |
3567 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3568 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
3569 | fflush (stderr); |
3570 | exit (1); | |
3571 | } | |
3572 | ||
3573 | ||
a4c6993d | 3574 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 3575 | Delete TERMINAL, then call error or fatal with str1 or str2, |
762b15be | 3576 | respectively, according to whether MUST_SUCCEED is zero or not. */ |
6b61353c | 3577 | |
3224dac1 | 3578 | static void |
b3ffc17c DN |
3579 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3580 | const char *str1, const char *str2, ...) | |
3224dac1 | 3581 | { |
b3ffc17c DN |
3582 | va_list ap; |
3583 | va_start (ap, str2); | |
6ed8eeff KL |
3584 | if (terminal) |
3585 | delete_tty (terminal); | |
f4d953fc | 3586 | |
3224dac1 | 3587 | if (must_succeed) |
b3ffc17c | 3588 | vfatal (str2, ap); |
3224dac1 | 3589 | else |
b3ffc17c | 3590 | verror (str1, ap); |
3224dac1 | 3591 | |
b3ffc17c | 3592 | va_end (ap); |
3224dac1 | 3593 | abort (); |
08a24c47 JB |
3594 | } |
3595 | ||
dfcf069d | 3596 | void |
7c401d15 | 3597 | fatal (const char *str, ...) |
08a24c47 | 3598 | { |
7c401d15 DN |
3599 | va_list ap; |
3600 | va_start (ap, str); | |
b3ffc17c | 3601 | vfatal (str, ap); |
7c401d15 | 3602 | va_end (ap); |
08a24c47 | 3603 | } |
07c57952 | 3604 | |
819b8f00 KL |
3605 | \f |
3606 | ||
6ed8eeff | 3607 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3608 | |
ed8dad6b | 3609 | static void |
6ed8eeff | 3610 | delete_tty (struct terminal *terminal) |
072d84a6 | 3611 | { |
428a555e | 3612 | struct tty_display_info *tty; |
f4d953fc | 3613 | |
e2749141 | 3614 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3615 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3616 | if (!terminal->name) |
0a125897 | 3617 | return; |
fca177d4 | 3618 | |
6ed8eeff | 3619 | if (terminal->type != output_termcap) |
428a555e KL |
3620 | abort (); |
3621 | ||
6ed8eeff | 3622 | tty = terminal->display_info.tty; |
f4d953fc | 3623 | |
fca177d4 KL |
3624 | if (tty == tty_list) |
3625 | tty_list = tty->next; | |
3626 | else | |
3627 | { | |
28d7d09f | 3628 | struct tty_display_info *p; |
fca177d4 KL |
3629 | for (p = tty_list; p && p->next != tty; p = p->next) |
3630 | ; | |
3631 | ||
3632 | if (! p) | |
3633 | /* This should not happen. */ | |
3634 | abort (); | |
3635 | ||
0a125897 KL |
3636 | p->next = tty->next; |
3637 | tty->next = 0; | |
fca177d4 KL |
3638 | } |
3639 | ||
7e59217d | 3640 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3641 | before delete_terminal. */ |
04c3243c | 3642 | reset_sys_modes (tty); |
fca177d4 | 3643 | |
6ed8eeff | 3644 | delete_terminal (terminal); |
3224dac1 | 3645 | |
70fdbb46 JM |
3646 | xfree (tty->name); |
3647 | xfree (tty->type); | |
daf01701 | 3648 | |
fca177d4 | 3649 | if (tty->input) |
819b8f00 KL |
3650 | { |
3651 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3652 | if (tty->input != stdin) | |
3653 | fclose (tty->input); | |
3654 | } | |
3655 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3656 | fclose (tty->output); |
3657 | if (tty->termscript) | |
3658 | fclose (tty->termscript); | |
daf01701 | 3659 | |
70fdbb46 JM |
3660 | xfree (tty->old_tty); |
3661 | xfree (tty->Wcm); | |
5f445726 JM |
3662 | xfree (tty->termcap_strings_buffer); |
3663 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3664 | |
72af86bd | 3665 | memset (tty, 0, sizeof (struct tty_display_info)); |
fca177d4 | 3666 | xfree (tty); |
fca177d4 KL |
3667 | } |
3668 | ||
428a555e KL |
3669 | \f |
3670 | ||
28d7d09f | 3671 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3672 | Called by the Fgarbage_collector. */ |
da8e1115 | 3673 | |
fca177d4 | 3674 | void |
ed8dad6b | 3675 | mark_ttys (void) |
fca177d4 | 3676 | { |
28d7d09f | 3677 | struct tty_display_info *tty; |
0c72d684 | 3678 | |
819b8f00 | 3679 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3680 | mark_object (tty->top_frame); |
072d84a6 RS |
3681 | } |
3682 | ||
428a555e KL |
3683 | \f |
3684 | ||
dfcf069d | 3685 | void |
d3da34e0 | 3686 | syms_of_term (void) |
07c57952 | 3687 | { |
29208e82 | 3688 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3689 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3690 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3691 | #ifdef TERMINFO |
3692 | system_uses_terminfo = 1; | |
3693 | #else | |
3694 | system_uses_terminfo = 0; | |
3695 | #endif | |
c291d9ef | 3696 | |
29208e82 | 3697 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e4019195 | 3698 | doc: /* Functions to be run after suspending a tty. |
fdc496e7 | 3699 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3700 | See `suspend-tty'. */); |
e4019195 | 3701 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3702 | |
3703 | ||
29208e82 | 3704 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e4019195 | 3705 | doc: /* Functions to be run after resuming a tty. |
fdc496e7 | 3706 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3707 | See `resume-tty'. */); |
e4019195 | 3708 | Vresume_tty_functions = Qnil; |
a168702a | 3709 | |
29208e82 | 3710 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3711 | doc: /* Non-nil means to make the cursor very visible. |
3712 | This only has an effect when running in a text terminal. | |
3713 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3714 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3715 | visible_cursor = 1; | |
3716 | ||
a168702a | 3717 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3718 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3719 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3720 | defsubr (&Stty_type); |
3721 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3722 | defsubr (&Ssuspend_tty); |
3723 | defsubr (&Sresume_tty); | |
7e5a23bd | 3724 | #ifdef HAVE_GPM |
6178ce5e SM |
3725 | defsubr (&Sgpm_mouse_start); |
3726 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3727 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3728 | |
84704c5c | 3729 | #ifndef DOS_NT |
3a7c5d40 CY |
3730 | default_orig_pair = NULL; |
3731 | default_set_foreground = NULL; | |
3732 | default_set_background = NULL; | |
84704c5c | 3733 | #endif /* !DOS_NT */ |
d31eee5e CY |
3734 | |
3735 | encode_terminal_src = NULL; | |
3736 | encode_terminal_dst = NULL; | |
07c57952 | 3737 | } |