Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
73b0cd50 | 2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2011 |
8cabe764 | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
08a24c47 JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 19 | |
d284f58f | 20 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 21 | |
565620a5 | 22 | #include <config.h> |
08a24c47 JB |
23 | #include <stdio.h> |
24 | #include <ctype.h> | |
59b3194c | 25 | #include <errno.h> |
28d440ab | 26 | #include <sys/file.h> |
1ec5dc77 | 27 | #include <unistd.h> |
03a1d6bd | 28 | #include <signal.h> |
7c401d15 | 29 | #include <stdarg.h> |
d7306fe6 | 30 | #include <setjmp.h> |
0c72d684 | 31 | |
9628b887 | 32 | #include "lisp.h" |
08a24c47 JB |
33 | #include "termchar.h" |
34 | #include "termopts.h" | |
50938595 | 35 | #include "tparam.h" |
9332ea03 KH |
36 | #include "buffer.h" |
37 | #include "character.h" | |
a4decb7f KH |
38 | #include "charset.h" |
39 | #include "coding.h" | |
4c12d738 | 40 | #include "composite.h" |
2538fae4 | 41 | #include "keyboard.h" |
ff11dfa1 | 42 | #include "frame.h" |
08a24c47 JB |
43 | #include "disptab.h" |
44 | #include "termhooks.h" | |
dfcf069d | 45 | #include "dispextern.h" |
a168702a | 46 | #include "window.h" |
8feddab4 | 47 | #include "keymap.h" |
1a935bfd | 48 | #include "blockinput.h" |
03a1d6bd KL |
49 | #include "syssignal.h" |
50 | #include "systty.h" | |
c9612b8e | 51 | #include "intervals.h" |
84704c5c EZ |
52 | #ifdef MSDOS |
53 | #include "msdos.h" | |
54 | static int been_here = -1; | |
55 | #endif | |
a168702a | 56 | |
eccec691 | 57 | #include "cm.h" |
dfcf069d AS |
58 | #ifdef HAVE_X_WINDOWS |
59 | #include "xterm.h" | |
60 | #endif | |
c8951b18 | 61 | |
28d440ab KL |
62 | #ifndef O_RDWR |
63 | #define O_RDWR 2 | |
64 | #endif | |
6b61353c | 65 | |
0c72d684 KL |
66 | #ifndef O_NOCTTY |
67 | #define O_NOCTTY 0 | |
68 | #endif | |
6b61353c | 69 | |
78048085 EZ |
70 | /* The name of the default console device. */ |
71 | #ifdef WINDOWSNT | |
72 | #define DEV_TTY "CONOUT$" | |
73 | #else | |
74 | #define DEV_TTY "/dev/tty" | |
75 | #endif | |
a168702a | 76 | |
f57e2426 J |
77 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
78 | static void turn_on_face (struct frame *, int face_id); | |
79 | static void turn_off_face (struct frame *, int face_id); | |
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); | |
83 | static void clear_tty_hooks (struct terminal *terminal); | |
84 | static void set_tty_hooks (struct terminal *terminal); | |
85 | static void dissociate_if_controlling_tty (int fd); | |
86 | static void delete_tty (struct terminal *); | |
b3ffc17c | 87 | static void maybe_fatal (int must_succeed, struct terminal *terminal, |
13841b55 | 88 | const char *str1, const char *str2, ...) |
266c9547 | 89 | NO_RETURN ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); |
13841b55 PE |
90 | static void vfatal (const char *str, va_list ap) |
91 | NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 92 | |
a168702a | 93 | |
6548cf00 KL |
94 | #define OUTPUT(tty, a) \ |
95 | emacs_tputs ((tty), a, \ | |
96 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
97 | - curY (tty)), \ | |
98 | cmputc) | |
99 | ||
28d440ab KL |
100 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
101 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 102 | |
28d440ab | 103 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
104 | do { \ |
105 | if (a) \ | |
b286858c | 106 | OUTPUT (tty, a); \ |
6548cf00 | 107 | } while (0) |
177c0ea7 | 108 | |
28d440ab | 109 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 110 | |
f46c2aff | 111 | /* Display space properties */ |
08a24c47 | 112 | |
428a555e | 113 | /* Chain of all tty device parameters. */ |
28d7d09f | 114 | struct tty_display_info *tty_list; |
08a24c47 | 115 | |
4e6ba4a4 GM |
116 | /* Meaning of bits in no_color_video. Each bit set means that the |
117 | corresponding attribute cannot be combined with colors. */ | |
118 | ||
119 | enum no_color_bit | |
120 | { | |
121 | NC_STANDOUT = 1 << 0, | |
122 | NC_UNDERLINE = 1 << 1, | |
123 | NC_REVERSE = 1 << 2, | |
124 | NC_BLINK = 1 << 3, | |
125 | NC_DIM = 1 << 4, | |
126 | NC_BOLD = 1 << 5, | |
127 | NC_INVIS = 1 << 6, | |
128 | NC_PROTECT = 1 << 7, | |
129 | NC_ALT_CHARSET = 1 << 8 | |
130 | }; | |
131 | ||
08a24c47 JB |
132 | /* internal state */ |
133 | ||
8dd0c7cb | 134 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 135 | |
9882535b | 136 | int max_frame_cols; |
a168702a | 137 | |
8dd0c7cb | 138 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 139 | |
9882535b | 140 | int max_frame_lines; |
8dd0c7cb | 141 | |
0c72d684 KL |
142 | /* Non-zero if we have dropped our controlling tty and therefore |
143 | should not open a frame on stdout. */ | |
144 | static int no_controlling_tty; | |
08a24c47 | 145 | |
08a24c47 | 146 | \f |
cb28b9c2 | 147 | |
7e5a23bd | 148 | #ifdef HAVE_GPM |
e882229c | 149 | #include <sys/fcntl.h> |
e882229c | 150 | |
71f44e7a SM |
151 | /* The device for which we have enabled gpm support (or NULL). */ |
152 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 153 | |
cf482c50 | 154 | /* Last recorded mouse coordinates. */ |
e882229c | 155 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 156 | #endif /* HAVE_GPM */ |
e882229c | 157 | |
da8e1115 | 158 | /* Ring the bell on a tty. */ |
c291d9ef | 159 | |
ed8dad6b | 160 | static void |
385ed61f | 161 | tty_ring_bell (struct frame *f) |
3224dac1 | 162 | { |
3224dac1 | 163 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 164 | |
b6660415 KL |
165 | if (tty->output) |
166 | { | |
167 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
168 | ? tty->TS_visible_bell | |
169 | : tty->TS_bell)); | |
170 | fflush (tty->output); | |
08a24c47 | 171 | } |
08a24c47 JB |
172 | } |
173 | ||
da8e1115 KL |
174 | /* Set up termcap modes for Emacs. */ |
175 | ||
dfcf069d | 176 | void |
6ed8eeff | 177 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 178 | { |
6ed8eeff | 179 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 180 | |
0b0d3e0b | 181 | if (tty->output) |
08a24c47 | 182 | { |
fbf34973 KL |
183 | if (tty->TS_termcap_modes) |
184 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 185 | else |
fbf34973 KL |
186 | { |
187 | /* Output enough newlines to scroll all the old screen contents | |
188 | off the screen, so it won't be overwritten and lost. */ | |
189 | int i; | |
a3c07f68 | 190 | current_tty = tty; |
fbf34973 | 191 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 192 | cmputc ('\n'); |
fbf34973 KL |
193 | } |
194 | ||
b58cb614 | 195 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
196 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
197 | losecursor (tty); | |
2f98e6e3 | 198 | fflush (tty->output); |
08a24c47 | 199 | } |
08a24c47 JB |
200 | } |
201 | ||
da8e1115 KL |
202 | /* Reset termcap modes before exiting Emacs. */ |
203 | ||
dfcf069d | 204 | void |
6ed8eeff | 205 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 206 | { |
6ed8eeff | 207 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
208 | |
209 | if (tty->output) | |
08a24c47 | 210 | { |
ed8dad6b KL |
211 | tty_turn_off_highlight (tty); |
212 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
213 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
214 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
215 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
216 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 217 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 218 | current_tty = tty; |
d284f58f | 219 | cmputc ('\r'); |
2f98e6e3 | 220 | fflush (tty->output); |
08a24c47 | 221 | } |
08a24c47 JB |
222 | } |
223 | ||
6ed8eeff | 224 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 225 | |
ed8dad6b | 226 | static void |
3224dac1 | 227 | tty_update_end (struct frame *f) |
08a24c47 | 228 | { |
3224dac1 | 229 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 230 | |
3224dac1 KL |
231 | if (!XWINDOW (selected_window)->cursor_off_p) |
232 | tty_show_cursor (tty); | |
ed8dad6b KL |
233 | tty_turn_off_insert (tty); |
234 | tty_background_highlight (tty); | |
08a24c47 JB |
235 | } |
236 | ||
da8e1115 KL |
237 | /* The implementation of set_terminal_window for termcap frames. */ |
238 | ||
ed8dad6b | 239 | static void |
385ed61f | 240 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 241 | { |
3224dac1 KL |
242 | struct tty_display_info *tty = FRAME_TTY (f); |
243 | ||
244 | tty->specified_window = size ? size : FRAME_LINES (f); | |
245 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 246 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
247 | } |
248 | ||
ed8dad6b KL |
249 | static void |
250 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
251 | { |
252 | char *buf; | |
28d7d09f | 253 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 254 | |
fca177d4 | 255 | if (tty->TS_set_scroll_region) |
50938595 | 256 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
257 | else if (tty->TS_set_scroll_region_1) |
258 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
259 | FRAME_LINES (f), start, |
260 | FRAME_LINES (f) - stop, | |
261 | FRAME_LINES (f)); | |
08a24c47 | 262 | else |
fca177d4 | 263 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 264 | |
6548cf00 | 265 | OUTPUT (tty, buf); |
9ac0d9e0 | 266 | xfree (buf); |
6548cf00 | 267 | losecursor (tty); |
08a24c47 | 268 | } |
d284f58f | 269 | |
08a24c47 | 270 | \f |
d284f58f | 271 | static void |
ed8dad6b | 272 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 273 | { |
fca177d4 KL |
274 | if (!tty->insert_mode) |
275 | OUTPUT (tty, tty->TS_insert_mode); | |
276 | tty->insert_mode = 1; | |
08a24c47 JB |
277 | } |
278 | ||
dfcf069d | 279 | void |
ed8dad6b | 280 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 281 | { |
fca177d4 KL |
282 | if (tty->insert_mode) |
283 | OUTPUT (tty, tty->TS_end_insert_mode); | |
284 | tty->insert_mode = 0; | |
08a24c47 JB |
285 | } |
286 | \f | |
54800acb | 287 | /* Handle highlighting. */ |
08a24c47 | 288 | |
dfcf069d | 289 | void |
ed8dad6b | 290 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 291 | { |
fca177d4 KL |
292 | if (tty->standout_mode) |
293 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
294 | tty->standout_mode = 0; | |
08a24c47 JB |
295 | } |
296 | ||
d284f58f | 297 | static void |
ed8dad6b | 298 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 299 | { |
fca177d4 KL |
300 | if (!tty->standout_mode) |
301 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
302 | tty->standout_mode = 1; | |
08a24c47 JB |
303 | } |
304 | ||
86a7d192 | 305 | static void |
ed8dad6b | 306 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 307 | { |
fca177d4 | 308 | if (tty->standout_mode) |
ed8dad6b | 309 | tty_turn_off_highlight (tty); |
86a7d192 | 310 | else |
ed8dad6b | 311 | tty_turn_on_highlight (tty); |
86a7d192 GM |
312 | } |
313 | ||
a168702a GM |
314 | |
315 | /* Make cursor invisible. */ | |
316 | ||
317 | static void | |
28d7d09f | 318 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 319 | { |
fca177d4 | 320 | if (tty->cursor_hidden == 0) |
d284f58f | 321 | { |
fca177d4 KL |
322 | tty->cursor_hidden = 1; |
323 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 324 | } |
a168702a GM |
325 | } |
326 | ||
327 | ||
328 | /* Ensure that cursor is visible. */ | |
329 | ||
330 | static void | |
28d7d09f | 331 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 332 | { |
fca177d4 | 333 | if (tty->cursor_hidden) |
d284f58f | 334 | { |
fca177d4 KL |
335 | tty->cursor_hidden = 0; |
336 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 337 | if (visible_cursor) |
b58cb614 | 338 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 339 | } |
a168702a GM |
340 | } |
341 | ||
342 | ||
08a24c47 JB |
343 | /* Set standout mode to the state it should be in for |
344 | empty space inside windows. What this is, | |
345 | depends on the user option inverse-video. */ | |
346 | ||
ed8dad6b KL |
347 | static void |
348 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 349 | { |
08a24c47 | 350 | if (inverse_video) |
ed8dad6b | 351 | tty_turn_on_highlight (tty); |
08a24c47 | 352 | else |
ed8dad6b | 353 | tty_turn_off_highlight (tty); |
08a24c47 JB |
354 | } |
355 | ||
356 | /* Set standout mode to the mode specified for the text to be output. */ | |
357 | ||
dfcf069d | 358 | static void |
ed8dad6b | 359 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 360 | { |
8ede64a5 | 361 | if (inverse_video) |
ed8dad6b | 362 | tty_turn_on_highlight (tty); |
8ede64a5 | 363 | else |
ed8dad6b | 364 | tty_turn_off_highlight (tty); |
08a24c47 JB |
365 | } |
366 | \f | |
367 | ||
a168702a GM |
368 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
369 | frame-relative coordinates. */ | |
08a24c47 | 370 | |
ed8dad6b | 371 | static void |
385ed61f | 372 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 373 | { |
3224dac1 | 374 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 375 | |
36cae867 KH |
376 | /* Detect the case where we are called from reset_sys_modes |
377 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 378 | if (! tty->costs_set) |
36cae867 KH |
379 | return; |
380 | ||
6548cf00 KL |
381 | if (curY (tty) == vpos |
382 | && curX (tty) == hpos) | |
08a24c47 | 383 | return; |
fca177d4 | 384 | if (!tty->TF_standout_motion) |
ed8dad6b | 385 | tty_background_highlight (tty); |
fca177d4 | 386 | if (!tty->TF_insmode_motion) |
ed8dad6b | 387 | tty_turn_off_insert (tty); |
6548cf00 | 388 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
389 | } |
390 | ||
391 | /* Similar but don't take any account of the wasted characters. */ | |
392 | ||
ed8dad6b | 393 | static void |
385ed61f | 394 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 395 | { |
3224dac1 KL |
396 | struct tty_display_info *tty = FRAME_TTY (f); |
397 | ||
6548cf00 KL |
398 | if (curY (tty) == row |
399 | && curX (tty) == col) | |
08a24c47 | 400 | return; |
fca177d4 | 401 | if (!tty->TF_standout_motion) |
ed8dad6b | 402 | tty_background_highlight (tty); |
fca177d4 | 403 | if (!tty->TF_insmode_motion) |
ed8dad6b | 404 | tty_turn_off_insert (tty); |
6548cf00 | 405 | cmgoto (tty, row, col); |
08a24c47 JB |
406 | } |
407 | \f | |
408 | /* Erase operations */ | |
409 | ||
da8e1115 KL |
410 | /* Clear from cursor to end of frame on a termcap device. */ |
411 | ||
ed8dad6b | 412 | static void |
385ed61f | 413 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
414 | { |
415 | register int i; | |
3224dac1 | 416 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 417 | |
fca177d4 | 418 | if (tty->TS_clr_to_bottom) |
08a24c47 | 419 | { |
ed8dad6b | 420 | tty_background_highlight (tty); |
fca177d4 | 421 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
422 | } |
423 | else | |
424 | { | |
6548cf00 | 425 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 426 | { |
385ed61f KL |
427 | cursor_to (f, i, 0); |
428 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
429 | } |
430 | } | |
431 | } | |
432 | ||
da8e1115 | 433 | /* Clear an entire termcap frame. */ |
08a24c47 | 434 | |
ed8dad6b | 435 | static void |
385ed61f | 436 | tty_clear_frame (struct frame *f) |
08a24c47 | 437 | { |
3224dac1 | 438 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 439 | |
fca177d4 | 440 | if (tty->TS_clr_frame) |
08a24c47 | 441 | { |
ed8dad6b | 442 | tty_background_highlight (tty); |
fca177d4 | 443 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 444 | cmat (tty, 0, 0); |
08a24c47 JB |
445 | } |
446 | else | |
447 | { | |
385ed61f KL |
448 | cursor_to (f, 0, 0); |
449 | clear_to_end (f); | |
08a24c47 JB |
450 | } |
451 | } | |
452 | ||
da8e1115 | 453 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
454 | |
455 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
456 | ||
ed8dad6b | 457 | static void |
385ed61f | 458 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
459 | { |
460 | register int i; | |
3224dac1 | 461 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 462 | |
36cae867 KH |
463 | /* Detect the case where we are called from reset_sys_modes |
464 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 465 | if (! tty->costs_set) |
36cae867 KH |
466 | return; |
467 | ||
6548cf00 | 468 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 469 | return; |
ed8dad6b | 470 | tty_background_highlight (tty); |
fca177d4 | 471 | if (tty->TS_clr_line) |
08a24c47 | 472 | { |
fca177d4 | 473 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
474 | } |
475 | else | |
476 | { /* have to do it the hard way */ | |
ed8dad6b | 477 | tty_turn_off_insert (tty); |
08a24c47 | 478 | |
a168702a | 479 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 480 | if (AutoWrap (tty) |
0a125897 KL |
481 | && curY (tty) == FrameRows (tty) - 1 |
482 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
483 | first_unused_hpos--; |
484 | ||
6548cf00 | 485 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 486 | { |
0b0d3e0b KL |
487 | if (tty->termscript) |
488 | fputc (' ', tty->termscript); | |
489 | fputc (' ', tty->output); | |
08a24c47 | 490 | } |
6548cf00 | 491 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
492 | } |
493 | } | |
494 | \f | |
288d5132 KH |
495 | /* Buffers to store the source and result of code conversion for terminal. */ |
496 | static unsigned char *encode_terminal_src; | |
497 | static unsigned char *encode_terminal_dst; | |
498 | /* Allocated sizes of the above buffers. */ | |
499 | static int encode_terminal_src_size; | |
500 | static int encode_terminal_dst_size; | |
501 | ||
502 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
503 | Set CODING->produced to the byte-length of the resulting byte | |
504 | sequence, and return a pointer to that byte sequence. */ | |
505 | ||
7ef4b50c | 506 | unsigned char * |
d3da34e0 | 507 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 508 | { |
feef4f84 | 509 | struct glyph *src_end = src + src_len; |
288d5132 KH |
510 | unsigned char *buf; |
511 | int nchars, nbytes, required; | |
a4decb7f KH |
512 | register int tlen = GLYPH_TABLE_LENGTH; |
513 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 514 | Lisp_Object charset_list; |
c5a518df | 515 | |
288d5132 KH |
516 | /* Allocate sufficient size of buffer to store all characters in |
517 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
518 | Vglyph_table contains a string or a composite glyph is |
519 | encountered. */ | |
288d5132 KH |
520 | required = MAX_MULTIBYTE_LENGTH * src_len; |
521 | if (encode_terminal_src_size < required) | |
522 | { | |
d31eee5e | 523 | if (encode_terminal_src) |
288d5132 | 524 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
525 | else |
526 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
527 | encode_terminal_src_size = required; |
528 | } | |
6589fd67 | 529 | |
288d5132 | 530 | charset_list = coding_charset_list (coding); |
a4decb7f | 531 | |
288d5132 KH |
532 | buf = encode_terminal_src; |
533 | nchars = 0; | |
534 | while (src < src_end) | |
a4decb7f | 535 | { |
4c12d738 KH |
536 | if (src->type == COMPOSITE_GLYPH) |
537 | { | |
c2ed9c8b PE |
538 | struct composition *cmp IF_LINT (= NULL); |
539 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
540 | int i; |
541 | ||
542 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
543 | if (src->u.cmp.automatic) |
544 | { | |
545 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
4be9765d | 546 | required = src->slice.cmp.to + 1 - src->slice.cmp.from; |
75a10786 KH |
547 | } |
548 | else | |
549 | { | |
550 | cmp = composition_table[src->u.cmp.id]; | |
551 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
552 | } | |
4c12d738 KH |
553 | |
554 | if (encode_terminal_src_size < nbytes + required) | |
555 | { | |
556 | encode_terminal_src_size = nbytes + required; | |
557 | encode_terminal_src = xrealloc (encode_terminal_src, | |
558 | encode_terminal_src_size); | |
559 | buf = encode_terminal_src + nbytes; | |
560 | } | |
561 | ||
75a10786 | 562 | if (src->u.cmp.automatic) |
4be9765d | 563 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
564 | { |
565 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
566 | int c = LGLYPH_CHAR (g); | |
567 | ||
568 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 569 | c = '?'; |
75a10786 KH |
570 | buf += CHAR_STRING (c, buf); |
571 | nchars++; | |
572 | } | |
573 | else | |
574 | for (i = 0; i < cmp->glyph_len; i++) | |
575 | { | |
576 | int c = COMPOSITION_GLYPH (cmp, i); | |
577 | ||
d0984aff KH |
578 | if (c == '\t') |
579 | continue; | |
580 | if (char_charset (c, charset_list, NULL)) | |
581 | { | |
582 | if (CHAR_WIDTH (c) == 0 | |
583 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
584 | /* Should be left-padded */ | |
585 | { | |
586 | buf += CHAR_STRING (' ', buf); | |
587 | nchars++; | |
588 | } | |
589 | } | |
590 | else | |
591 | c = '?'; | |
75a10786 KH |
592 | buf += CHAR_STRING (c, buf); |
593 | nchars++; | |
594 | } | |
4c12d738 | 595 | } |
a4decb7f | 596 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 597 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 598 | { |
f4d953fc | 599 | GLYPH g; |
c2ed9c8b | 600 | int c IF_LINT (= 0); |
288d5132 KH |
601 | Lisp_Object string; |
602 | ||
4ae0a2c0 | 603 | string = Qnil; |
f4d953fc | 604 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 605 | |
f4d953fc | 606 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 607 | { |
f185a758 | 608 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
609 | c = src->u.ch; |
610 | } | |
32de38e4 | 611 | else |
a4decb7f | 612 | { |
32de38e4 | 613 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
614 | so process any alias before testing for simpleness. */ |
615 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
616 | |
617 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
618 | /* We set the multi-byte form of a character in G |
619 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 620 | c = GLYPH_CHAR (g); |
32de38e4 | 621 | else |
4ae0a2c0 | 622 | /* We have a string in Vglyph_table. */ |
f4d953fc | 623 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 624 | } |
177c0ea7 | 625 | |
4ae0a2c0 | 626 | if (NILP (string)) |
c42869c4 | 627 | { |
4c12d738 KH |
628 | nbytes = buf - encode_terminal_src; |
629 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
630 | { | |
631 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
632 | encode_terminal_src = xrealloc (encode_terminal_src, | |
633 | encode_terminal_src_size); | |
634 | buf = encode_terminal_src + nbytes; | |
635 | } | |
d419e1d9 KH |
636 | if (CHAR_BYTE8_P (c) |
637 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 638 | { |
288d5132 KH |
639 | /* Store the multibyte form of C at BUF. */ |
640 | buf += CHAR_STRING (c, buf); | |
641 | nchars++; | |
c5a518df KH |
642 | } |
643 | else | |
644 | { | |
288d5132 KH |
645 | /* C is not encodable. */ |
646 | *buf++ = '?'; | |
c5a518df | 647 | nchars++; |
288d5132 KH |
648 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
649 | { | |
650 | *buf++ = '?'; | |
651 | nchars++; | |
652 | src++; | |
653 | } | |
c5a518df | 654 | } |
4ae0a2c0 KH |
655 | } |
656 | else | |
657 | { | |
288d5132 KH |
658 | if (! STRING_MULTIBYTE (string)) |
659 | string = string_to_multibyte (string); | |
660 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 661 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 662 | { |
288d5132 KH |
663 | encode_terminal_src_size = nbytes + SBYTES (string); |
664 | encode_terminal_src = xrealloc (encode_terminal_src, | |
665 | encode_terminal_src_size); | |
666 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 667 | } |
72af86bd | 668 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
669 | buf += SBYTES (string); |
670 | nchars += SCHARS (string); | |
c42869c4 | 671 | } |
a4decb7f | 672 | } |
288d5132 KH |
673 | src++; |
674 | } | |
675 | ||
676 | if (nchars == 0) | |
677 | { | |
678 | coding->produced = 0; | |
679 | return NULL; | |
a4decb7f | 680 | } |
177c0ea7 | 681 | |
288d5132 KH |
682 | nbytes = buf - encode_terminal_src; |
683 | coding->source = encode_terminal_src; | |
684 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 685 | { |
288d5132 | 686 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
687 | if (encode_terminal_dst) |
688 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
689 | encode_terminal_dst_size); | |
690 | else | |
691 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 692 | } |
288d5132 KH |
693 | coding->destination = encode_terminal_dst; |
694 | coding->dst_bytes = encode_terminal_dst_size; | |
695 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 696 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
697 | encode_terminal_dst = coding->destination; |
698 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 699 | |
288d5132 | 700 | return (encode_terminal_dst); |
a4decb7f KH |
701 | } |
702 | ||
08a24c47 | 703 | |
c73bd236 | 704 | |
da8e1115 KL |
705 | /* An implementation of write_glyphs for termcap frames. */ |
706 | ||
ed8dad6b | 707 | static void |
385ed61f | 708 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 709 | { |
288d5132 KH |
710 | unsigned char *conversion_buffer; |
711 | struct coding_system *coding; | |
5c5cdd39 | 712 | size_t n, stringlen; |
08a24c47 | 713 | |
3224dac1 | 714 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 715 | |
ed8dad6b | 716 | tty_turn_off_insert (tty); |
fca177d4 | 717 | tty_hide_cursor (tty); |
08a24c47 | 718 | |
a168702a | 719 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 720 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 721 | |
6548cf00 KL |
722 | if (AutoWrap (tty) |
723 | && curY (tty) + 1 == FRAME_LINES (f) | |
724 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 725 | len --; |
a4decb7f KH |
726 | if (len <= 0) |
727 | return; | |
08a24c47 | 728 | |
6548cf00 | 729 | cmplus (tty, len); |
177c0ea7 | 730 | |
af645abf KH |
731 | /* If terminal_coding does any conversion, use it, otherwise use |
732 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
733 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
734 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
735 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
736 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
737 | the tail. */ | |
af645abf | 738 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 739 | |
5c5cdd39 | 740 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 741 | { |
a168702a | 742 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 743 | int face_id = string->face_id; |
177c0ea7 | 744 | |
5c5cdd39 | 745 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 746 | if (string[n].face_id != face_id) |
a168702a GM |
747 | break; |
748 | ||
749 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 750 | tty_highlight_if_desired (tty); |
a168702a GM |
751 | turn_on_face (f, face_id); |
752 | ||
5c5cdd39 | 753 | if (n == stringlen) |
288d5132 KH |
754 | /* This is the last run. */ |
755 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
756 | conversion_buffer = encode_terminal_code (string, n, coding); | |
757 | if (coding->produced > 0) | |
08a24c47 | 758 | { |
1a935bfd | 759 | BLOCK_INPUT; |
fad2f685 KL |
760 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
761 | if (ferror (tty->output)) | |
762 | clearerr (tty->output); | |
763 | if (tty->termscript) | |
764 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 765 | UNBLOCK_INPUT; |
08a24c47 | 766 | } |
288d5132 | 767 | string += n; |
a168702a GM |
768 | |
769 | /* Turn appearance modes off. */ | |
770 | turn_off_face (f, face_id); | |
ed8dad6b | 771 | tty_turn_off_highlight (tty); |
a4decb7f | 772 | } |
177c0ea7 | 773 | |
6548cf00 | 774 | cmcheckmagic (tty); |
08a24c47 JB |
775 | } |
776 | ||
b870aa61 SM |
777 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
778 | ||
7be1c21a | 779 | static void |
d3da34e0 JB |
780 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
781 | register int len, register int face_id) | |
e882229c | 782 | { |
e882229c NR |
783 | unsigned char *conversion_buffer; |
784 | struct coding_system *coding; | |
785 | ||
7be1c21a MB |
786 | struct tty_display_info *tty = FRAME_TTY (f); |
787 | ||
788 | tty_turn_off_insert (tty); | |
789 | tty_hide_cursor (tty); | |
e882229c NR |
790 | |
791 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
792 | since that would scroll the whole frame on some terminals. */ | |
793 | ||
7be1c21a MB |
794 | if (AutoWrap (tty) |
795 | && curY (tty) + 1 == FRAME_LINES (f) | |
796 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
797 | len --; |
798 | if (len <= 0) | |
799 | return; | |
800 | ||
7be1c21a | 801 | cmplus (tty, len); |
e882229c NR |
802 | |
803 | /* If terminal_coding does any conversion, use it, otherwise use | |
804 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
805 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
806 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
807 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
808 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
809 | the tail. */ | |
810 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
811 | ||
e882229c | 812 | /* Turn appearance modes of the face. */ |
7be1c21a | 813 | tty_highlight_if_desired (tty); |
e882229c NR |
814 | turn_on_face (f, face_id); |
815 | ||
816 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
817 | conversion_buffer = encode_terminal_code (string, len, coding); | |
818 | if (coding->produced > 0) | |
819 | { | |
820 | BLOCK_INPUT; | |
7be1c21a MB |
821 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
822 | if (ferror (tty->output)) | |
823 | clearerr (tty->output); | |
824 | if (tty->termscript) | |
825 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
826 | UNBLOCK_INPUT; |
827 | } | |
828 | ||
829 | /* Turn appearance modes off. */ | |
830 | turn_off_face (f, face_id); | |
7be1c21a | 831 | tty_turn_off_highlight (tty); |
e882229c | 832 | |
7be1c21a | 833 | cmcheckmagic (tty); |
e882229c | 834 | } |
b870aa61 | 835 | #endif |
e882229c | 836 | |
da8e1115 | 837 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 838 | |
ed8dad6b | 839 | static void |
385ed61f | 840 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
841 | { |
842 | char *buf; | |
6bbd7a29 | 843 | struct glyph *glyph = NULL; |
af645abf KH |
844 | unsigned char *conversion_buffer; |
845 | unsigned char space[1]; | |
846 | struct coding_system *coding; | |
08a24c47 | 847 | |
3224dac1 | 848 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 849 | |
fca177d4 | 850 | if (tty->TS_ins_multi_chars) |
08a24c47 | 851 | { |
50938595 | 852 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 853 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 854 | xfree (buf); |
08a24c47 | 855 | if (start) |
385ed61f | 856 | write_glyphs (f, start, len); |
08a24c47 JB |
857 | return; |
858 | } | |
859 | ||
ed8dad6b | 860 | tty_turn_on_insert (tty); |
6548cf00 | 861 | cmplus (tty, len); |
288d5132 KH |
862 | |
863 | if (! start) | |
864 | space[0] = SPACEGLYPH; | |
865 | ||
866 | /* If terminal_coding does any conversion, use it, otherwise use | |
867 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
868 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
869 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
870 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
871 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
872 | the tail. */ | |
873 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
874 | ||
07109bf9 | 875 | while (len-- > 0) |
08a24c47 | 876 | { |
fca177d4 | 877 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 878 | if (!start) |
32de38e4 | 879 | { |
288d5132 KH |
880 | conversion_buffer = space; |
881 | coding->produced = 1; | |
32de38e4 | 882 | } |
08a24c47 | 883 | else |
08a24c47 | 884 | { |
ed8dad6b | 885 | tty_highlight_if_desired (tty); |
32de38e4 | 886 | turn_on_face (f, start->face_id); |
816be8b8 | 887 | glyph = start; |
a168702a | 888 | ++start; |
a4decb7f KH |
889 | /* We must open sufficient space for a character which |
890 | occupies more than one column. */ | |
a168702a | 891 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 892 | { |
fca177d4 | 893 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
894 | start++, len--; |
895 | } | |
288d5132 KH |
896 | |
897 | if (len <= 0) | |
898 | /* This is the last glyph. */ | |
899 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
900 | ||
fad2f685 | 901 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 902 | } |
a4decb7f | 903 | |
288d5132 | 904 | if (coding->produced > 0) |
08a24c47 | 905 | { |
1a935bfd | 906 | BLOCK_INPUT; |
fad2f685 | 907 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
908 | if (ferror (tty->output)) |
909 | clearerr (tty->output); | |
910 | if (tty->termscript) | |
fad2f685 | 911 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 912 | UNBLOCK_INPUT; |
08a24c47 JB |
913 | } |
914 | ||
fca177d4 | 915 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 916 | if (start) |
65aa5e85 GM |
917 | { |
918 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 919 | tty_turn_off_highlight (tty); |
65aa5e85 | 920 | } |
9a6b6f92 | 921 | } |
177c0ea7 | 922 | |
6548cf00 | 923 | cmcheckmagic (tty); |
08a24c47 JB |
924 | } |
925 | ||
da8e1115 KL |
926 | /* An implementation of delete_glyphs for termcap frames. */ |
927 | ||
ed8dad6b | 928 | static void |
385ed61f | 929 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
930 | { |
931 | char *buf; | |
932 | register int i; | |
933 | ||
3224dac1 | 934 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 935 | |
fca177d4 | 936 | if (tty->delete_in_insert_mode) |
08a24c47 | 937 | { |
ed8dad6b | 938 | tty_turn_on_insert (tty); |
08a24c47 JB |
939 | } |
940 | else | |
941 | { | |
ed8dad6b | 942 | tty_turn_off_insert (tty); |
fca177d4 | 943 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
944 | } |
945 | ||
fca177d4 | 946 | if (tty->TS_del_multi_chars) |
08a24c47 | 947 | { |
50938595 | 948 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 949 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 950 | xfree (buf); |
08a24c47 JB |
951 | } |
952 | else | |
953 | for (i = 0; i < n; i++) | |
fca177d4 KL |
954 | OUTPUT1 (tty, tty->TS_del_char); |
955 | if (!tty->delete_in_insert_mode) | |
956 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
957 | } |
958 | \f | |
da8e1115 | 959 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 960 | |
ed8dad6b | 961 | static void |
385ed61f | 962 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 963 | { |
3224dac1 | 964 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
965 | const char *multi = |
966 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
967 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
968 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
969 | |
970 | register int i = n > 0 ? n : -n; | |
971 | register char *buf; | |
972 | ||
08a24c47 JB |
973 | /* If the lines below the insertion are being pushed |
974 | into the end of the window, this is the same as clearing; | |
975 | and we know the lines are already clear, since the matching | |
976 | deletion has already been done. So can ignore this. */ | |
977 | /* If the lines below the deletion are blank lines coming | |
978 | out of the end of the window, don't bother, | |
979 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
980 | if (FRAME_SCROLL_REGION_OK (f) |
981 | && vpos + i >= tty->specified_window) | |
08a24c47 | 982 | return; |
3224dac1 KL |
983 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
984 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 985 | return; |
f4d953fc | 986 | |
08a24c47 JB |
987 | if (multi) |
988 | { | |
6839f1e2 | 989 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 990 | tty_background_highlight (tty); |
50938595 | 991 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 992 | OUTPUT (tty, buf); |
9ac0d9e0 | 993 | xfree (buf); |
08a24c47 JB |
994 | } |
995 | else if (single) | |
996 | { | |
6839f1e2 | 997 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 998 | tty_background_highlight (tty); |
08a24c47 | 999 | while (--i >= 0) |
3224dac1 KL |
1000 | OUTPUT (tty, single); |
1001 | if (tty->TF_teleray) | |
1002 | curX (tty) = 0; | |
08a24c47 JB |
1003 | } |
1004 | else | |
1005 | { | |
ed8dad6b | 1006 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1007 | if (n < 0) |
6839f1e2 | 1008 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1009 | else |
6839f1e2 | 1010 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1011 | tty_background_highlight (tty); |
08a24c47 | 1012 | while (--i >= 0) |
3224dac1 | 1013 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1014 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1015 | } |
f4d953fc | 1016 | |
3224dac1 KL |
1017 | if (!FRAME_SCROLL_REGION_OK (f) |
1018 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1019 | && n < 0) | |
08a24c47 | 1020 | { |
385ed61f KL |
1021 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1022 | clear_to_end (f); | |
08a24c47 JB |
1023 | } |
1024 | } | |
1025 | \f | |
1026 | /* Compute cost of sending "str", in characters, | |
1027 | not counting any line-dependent padding. */ | |
1028 | ||
1029 | int | |
8ea90aa3 | 1030 | string_cost (const char *str) |
08a24c47 JB |
1031 | { |
1032 | cost = 0; | |
1033 | if (str) | |
1034 | tputs (str, 0, evalcost); | |
1035 | return cost; | |
1036 | } | |
1037 | ||
1038 | /* Compute cost of sending "str", in characters, | |
1039 | counting any line-dependent padding at one line. */ | |
1040 | ||
1041 | static int | |
8ea90aa3 | 1042 | string_cost_one_line (const char *str) |
08a24c47 JB |
1043 | { |
1044 | cost = 0; | |
1045 | if (str) | |
1046 | tputs (str, 1, evalcost); | |
1047 | return cost; | |
1048 | } | |
1049 | ||
1050 | /* Compute per line amount of line-dependent padding, | |
1051 | in tenths of characters. */ | |
1052 | ||
1053 | int | |
8ea90aa3 | 1054 | per_line_cost (const char *str) |
08a24c47 JB |
1055 | { |
1056 | cost = 0; | |
1057 | if (str) | |
1058 | tputs (str, 0, evalcost); | |
1059 | cost = - cost; | |
1060 | if (str) | |
1061 | tputs (str, 10, evalcost); | |
1062 | return cost; | |
1063 | } | |
1064 | ||
08a24c47 | 1065 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1066 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1067 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1068 | |
1069 | int *char_ins_del_vector; | |
1070 | ||
9882535b | 1071 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1072 | |
1073 | /* ARGSUSED */ | |
1074 | static void | |
6839f1e2 | 1075 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1076 | { |
28d7d09f | 1077 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1078 | int ins_startup_cost, del_startup_cost; |
1079 | int ins_cost_per_char, del_cost_per_char; | |
1080 | register int i; | |
1081 | register int *p; | |
1082 | ||
fca177d4 | 1083 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1084 | { |
1085 | ins_cost_per_char = 0; | |
fca177d4 | 1086 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1087 | } |
fca177d4 KL |
1088 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1089 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1090 | { |
fca177d4 KL |
1091 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1092 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1093 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1094 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1095 | } |
1096 | else | |
1097 | { | |
1098 | ins_startup_cost = 9999; | |
1099 | ins_cost_per_char = 0; | |
1100 | } | |
1101 | ||
fca177d4 | 1102 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1103 | { |
1104 | del_cost_per_char = 0; | |
fca177d4 | 1105 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1106 | } |
fca177d4 | 1107 | else if (tty->TS_del_char) |
08a24c47 | 1108 | { |
fca177d4 KL |
1109 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1110 | + string_cost (tty->TS_end_delete_mode)); | |
1111 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1112 | del_startup_cost /= 2; |
fca177d4 | 1113 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1114 | } |
1115 | else | |
1116 | { | |
1117 | del_startup_cost = 9999; | |
1118 | del_cost_per_char = 0; | |
1119 | } | |
1120 | ||
1121 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1122 | p = &char_ins_del_cost (f)[0]; |
1123 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1124 | *--p = (del_startup_cost += del_cost_per_char); |
1125 | ||
1126 | /* Doing nothing is free */ | |
fca177d4 | 1127 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1128 | *p++ = 0; |
1129 | ||
1130 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1131 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1132 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1133 | } | |
1134 | ||
dfcf069d | 1135 | void |
6839f1e2 | 1136 | calculate_costs (struct frame *frame) |
08a24c47 | 1137 | { |
9f732a77 | 1138 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1139 | |
28d440ab | 1140 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1141 | { |
1142 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1143 | register const char *f = (tty->TS_set_scroll_region |
1144 | ? tty->TS_set_scroll_region | |
1145 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1146 | |
daf01701 | 1147 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1148 | |
daf01701 | 1149 | tty->costs_set = 1; |
08a24c47 | 1150 | |
daf01701 KL |
1151 | /* These variables are only used for terminal stuff. They are |
1152 | allocated once for the terminal frame of X-windows emacs, but not | |
1153 | used afterwards. | |
8dd0c7cb | 1154 | |
daf01701 KL |
1155 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1156 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1157 | |
daf01701 KL |
1158 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1159 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1160 | |
daf01701 KL |
1161 | if (char_ins_del_vector != 0) |
1162 | char_ins_del_vector | |
1163 | = (int *) xrealloc (char_ins_del_vector, | |
1164 | (sizeof (int) | |
1165 | + 2 * max_frame_cols * sizeof (int))); | |
1166 | else | |
1167 | char_ins_del_vector | |
1168 | = (int *) xmalloc (sizeof (int) | |
1169 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1170 | |
72af86bd AS |
1171 | memset (char_ins_del_vector, 0, |
1172 | (sizeof (int) + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1173 | |
daf01701 KL |
1174 | |
1175 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1176 | do_line_insertion_deletion_costs (frame, | |
1177 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1178 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1179 | f, f, 1); | |
1180 | else | |
1181 | do_line_insertion_deletion_costs (frame, | |
1182 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1183 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1184 | 0, 0, 1); | |
1185 | ||
1186 | calculate_ins_del_char_costs (frame); | |
1187 | ||
1188 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1189 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1190 | tty->RPov = string_cost (tty->TS_repeat); | |
1191 | else | |
1192 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1193 | |
daf01701 KL |
1194 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1195 | } | |
08a24c47 JB |
1196 | } |
1197 | \f | |
a796ac82 | 1198 | struct fkey_table { |
fbceeba2 | 1199 | const char *cap, *name; |
a796ac82 JB |
1200 | }; |
1201 | ||
01d8deb0 ER |
1202 | /* Termcap capability names that correspond directly to X keysyms. |
1203 | Some of these (marked "terminfo") aren't supplied by old-style | |
1204 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1205 | except we put the keypad keys first, so that if they clash with | |
1206 | other keys (as on the IBM PC keyboard) they get overridden. | |
1207 | */ | |
1208 | ||
648801d1 | 1209 | static const struct fkey_table keys[] = |
a168702a | 1210 | { |
8103ad1a PJ |
1211 | {"kh", "home"}, /* termcap */ |
1212 | {"kl", "left"}, /* termcap */ | |
1213 | {"ku", "up"}, /* termcap */ | |
1214 | {"kr", "right"}, /* termcap */ | |
1215 | {"kd", "down"}, /* termcap */ | |
1216 | {"%8", "prior"}, /* terminfo */ | |
1217 | {"%5", "next"}, /* terminfo */ | |
1218 | {"@7", "end"}, /* terminfo */ | |
1219 | {"@1", "begin"}, /* terminfo */ | |
1220 | {"*6", "select"}, /* terminfo */ | |
1221 | {"%9", "print"}, /* terminfo */ | |
1222 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1223 | /* |
1224 | * "insert" --- see below | |
1225 | */ | |
8103ad1a PJ |
1226 | {"&8", "undo"}, /* terminfo */ |
1227 | {"%0", "redo"}, /* terminfo */ | |
1228 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1229 | {"@0", "find"}, /* terminfo */ | |
1230 | {"@2", "cancel"}, /* terminfo */ | |
1231 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1232 | /* |
1233 | * "break" goes here, but can't be reliably intercepted with termcap | |
1234 | */ | |
8103ad1a | 1235 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1236 | /* |
1237 | * "system" and "user" --- no termcaps | |
1238 | */ | |
8103ad1a PJ |
1239 | {"kE", "clearline"}, /* terminfo */ |
1240 | {"kA", "insertline"}, /* terminfo */ | |
1241 | {"kL", "deleteline"}, /* terminfo */ | |
1242 | {"kI", "insertchar"}, /* terminfo */ | |
1243 | {"kD", "deletechar"}, /* terminfo */ | |
1244 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1245 | /* |
1246 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1247 | */ | |
8103ad1a | 1248 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1249 | /* |
1250 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1251 | * "kp-multiply", "kp-add", "kp-separator", | |
1252 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1253 | * --- no termcaps for any of these. | |
1254 | */ | |
8103ad1a | 1255 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1256 | /* |
1257 | * "kp-2" --- no termcap | |
1258 | */ | |
8103ad1a | 1259 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1260 | /* |
1261 | * "kp-4" --- no termcap | |
1262 | */ | |
8103ad1a | 1263 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1264 | /* |
1265 | * "kp-6" --- no termcap | |
1266 | */ | |
8103ad1a | 1267 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1268 | /* |
1269 | * "kp-8" --- no termcap | |
1270 | */ | |
8103ad1a | 1271 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1272 | /* |
1273 | * "kp-equal" --- no termcap | |
1274 | */ | |
8103ad1a PJ |
1275 | {"k1", "f1"}, |
1276 | {"k2", "f2"}, | |
1277 | {"k3", "f3"}, | |
1278 | {"k4", "f4"}, | |
1279 | {"k5", "f5"}, | |
1280 | {"k6", "f6"}, | |
1281 | {"k7", "f7"}, | |
1282 | {"k8", "f8"}, | |
60ec7b7e DN |
1283 | {"k9", "f9"}, |
1284 | ||
1285 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1286 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1287 | {"*0", "S-find"}, /*shifted find key*/ | |
1288 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1289 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1290 | {"*7", "S-end"}, /*shifted end key*/ | |
1291 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1292 | {"#1", "S-help"}, /*shifted help key*/ | |
1293 | {"#2", "S-home"}, /*shifted home key*/ | |
1294 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1295 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1296 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1297 | {"%c", "S-next"}, /*shifted next key*/ | |
1298 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1299 | {"%f", "S-print"}, /*shifted print key*/ | |
1300 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1301 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1302 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1303 | }; |
1304 | ||
361358ea | 1305 | #ifndef DOS_NT |
e7cf0fa0 KL |
1306 | static char **term_get_fkeys_address; |
1307 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1308 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1309 | |
4f4a84ec | 1310 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1311 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1312 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1313 | |
ed8dad6b | 1314 | static void |
d3da34e0 | 1315 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1316 | { |
1317 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1318 | errors during the call. The only errors should be from Fdefine_key | |
1319 | when given a key sequence containing an invalid prefix key. If the | |
1320 | termcap defines function keys which use a prefix that is already bound | |
1321 | to a command by the default bindings, we should silently ignore that | |
1322 | function key specification, rather than giving the user an error and | |
1323 | refusing to run at all on such a terminal. */ | |
1324 | ||
e7cf0fa0 KL |
1325 | term_get_fkeys_address = address; |
1326 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1327 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1328 | } | |
1329 | ||
1330 | static Lisp_Object | |
d3da34e0 | 1331 | term_get_fkeys_1 (void) |
5c2c7893 | 1332 | { |
5c2c7893 JB |
1333 | int i; |
1334 | ||
e7cf0fa0 KL |
1335 | char **address = term_get_fkeys_address; |
1336 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1337 | |
3e65092f | 1338 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 TT |
1339 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
1340 | KVAR (kboard, Vinput_decode_map) = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1341 | |
5c2c7893 JB |
1342 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1343 | { | |
1344 | char *sequence = tgetstr (keys[i].cap, address); | |
1345 | if (sequence) | |
1344aad4 | 1346 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1347 | Fmake_vector (make_number (1), |
1348 | intern (keys[i].name))); | |
5c2c7893 | 1349 | } |
a796ac82 JB |
1350 | |
1351 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1352 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1353 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1354 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1355 | */ | |
1356 | { | |
fbceeba2 PE |
1357 | const char *k_semi = tgetstr ("k;", address); |
1358 | const char *k0 = tgetstr ("k0", address); | |
1359 | const char *k0_name = "f10"; | |
a796ac82 JB |
1360 | |
1361 | if (k_semi) | |
1362 | { | |
95c11956 SM |
1363 | if (k0) |
1364 | /* Define f0 first, so that f10 takes precedence in case the | |
1365 | key sequences happens to be the same. */ | |
1344aad4 | 1366 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1367 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1368 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1369 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1370 | } |
95c11956 | 1371 | else if (k0) |
1344aad4 | 1372 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1373 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1374 | } |
01d8deb0 ER |
1375 | |
1376 | /* Set up cookies for numbered function keys above f10. */ | |
1377 | { | |
1378 | char fcap[3], fkey[4]; | |
1379 | ||
fc4f24da | 1380 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1381 | for (i = 11; i < 64; i++) |
1382 | { | |
1383 | if (i <= 19) | |
1384 | fcap[1] = '1' + i - 11; | |
1385 | else if (i <= 45) | |
b59ab95c | 1386 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1387 | else |
b59ab95c | 1388 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1389 | |
fc4f24da RS |
1390 | { |
1391 | char *sequence = tgetstr (fcap, address); | |
1392 | if (sequence) | |
1393 | { | |
465db27b | 1394 | sprintf (fkey, "f%d", i); |
1344aad4 | 1395 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1396 | Fmake_vector (make_number (1), |
1397 | intern (fkey))); | |
fc4f24da RS |
1398 | } |
1399 | } | |
01d8deb0 ER |
1400 | } |
1401 | } | |
1402 | ||
1403 | /* | |
1404 | * Various mappings to try and get a better fit. | |
1405 | */ | |
1406 | { | |
fc4f24da RS |
1407 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1408 | if (!tgetstr (cap1, address)) \ | |
1409 | { \ | |
1410 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1411 | if (sequence) \ |
1344aad4 | 1412 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1413 | Fmake_vector (make_number (1), \ |
1414 | intern (sym))); \ | |
fc4f24da | 1415 | } |
177c0ea7 | 1416 | |
01d8deb0 | 1417 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1418 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1419 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1420 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1421 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1422 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1423 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1424 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1425 | |
1426 | /* IBM has their own non-standard dialect of terminfo. | |
1427 | If the standard name isn't found, try the IBM name. */ | |
1428 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1429 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1430 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1431 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1432 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1433 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1434 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1435 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1436 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1437 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1438 | } |
a168702a GM |
1439 | |
1440 | return Qnil; | |
5c2c7893 | 1441 | } |
361358ea | 1442 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1443 | |
1444 | \f | |
a168702a GM |
1445 | /*********************************************************************** |
1446 | Character Display Information | |
1447 | ***********************************************************************/ | |
f57e2426 J |
1448 | static void append_glyph (struct it *); |
1449 | static void produce_stretch_glyph (struct it *); | |
1450 | static void append_composite_glyph (struct it *); | |
1451 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1452 | static void append_glyphless_glyph (struct it *, int, const char *); |
b18fad6d | 1453 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); |
a168702a GM |
1454 | |
1455 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1456 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1457 | the character for which to produce glyphs; IT->face_id contains the | |
1458 | character's face. Padding glyphs are appended if IT->c has a | |
1459 | IT->pixel_width > 1. */ | |
177c0ea7 | 1460 | |
a168702a | 1461 | static void |
d3da34e0 | 1462 | append_glyph (struct it *it) |
a168702a GM |
1463 | { |
1464 | struct glyph *glyph, *end; | |
1465 | int i; | |
1466 | ||
1467 | xassert (it->glyph_row); | |
1468 | glyph = (it->glyph_row->glyphs[it->area] | |
1469 | + it->glyph_row->used[it->area]); | |
1470 | end = it->glyph_row->glyphs[1 + it->area]; | |
1471 | ||
5e65aec0 EZ |
1472 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1473 | than append it. */ | |
1474 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1475 | { | |
1476 | struct glyph *g; | |
1477 | int move_by = it->pixel_width; | |
1478 | ||
1479 | /* Make room for the new glyphs. */ | |
1480 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1481 | move_by = end - glyph; | |
1482 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1483 | g[move_by] = *g; | |
1484 | glyph = it->glyph_row->glyphs[it->area]; | |
1485 | end = glyph + move_by; | |
1486 | } | |
1487 | ||
1488 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1489 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1490 | identical, and (b) the PADDING_P flag needs to be set for the | |
1491 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1492 | for (i = 0; |
1493 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1494 | ++i) |
1495 | { | |
1496 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1497 | glyph->pixel_width = 1; |
d2b4c17d | 1498 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1499 | glyph->face_id = it->face_id; |
1500 | glyph->padding_p = i > 0; | |
a168702a GM |
1501 | glyph->charpos = CHARPOS (it->position); |
1502 | glyph->object = it->object; | |
5e65aec0 EZ |
1503 | if (it->bidi_p) |
1504 | { | |
1505 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1506 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1507 | abort (); | |
5e65aec0 EZ |
1508 | glyph->bidi_type = it->bidi_it.type; |
1509 | } | |
9443b3c7 EZ |
1510 | else |
1511 | { | |
1512 | glyph->resolved_level = 0; | |
1513 | glyph->bidi_type = UNKNOWN_BT; | |
1514 | } | |
177c0ea7 | 1515 | |
a168702a GM |
1516 | ++it->glyph_row->used[it->area]; |
1517 | ++glyph; | |
1518 | } | |
1519 | } | |
1520 | ||
b50fe468 RS |
1521 | /* Produce glyphs for the display element described by IT. *IT |
1522 | specifies what we want to produce a glyph for (character, image, ...), | |
1523 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1524 | produce_glyphs fills in output fields of *IT with information such as the | |
1525 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1526 | the same time if IT->glyph_row is non-null. For an overview, see |
1527 | the explanation in dispextern.h, before the definition of the | |
1528 | display_element_type enumeration. | |
b50fe468 RS |
1529 | |
1530 | produce_glyphs also stores the result of glyph width, ascent | |
1531 | etc. computations in *IT. | |
1532 | ||
1533 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1534 | actually fill in the glyphs. This is used in the move_* functions | |
1535 | in xdisp.c for text width and height computations. | |
1536 | ||
1537 | Callers usually don't call produce_glyphs directly; | |
1538 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1539 | |
177c0ea7 | 1540 | void |
d3da34e0 | 1541 | produce_glyphs (struct it *it) |
a168702a GM |
1542 | { |
1543 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1544 | |
1545 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1546 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1547 | || it->what == IT_COMPOSITION |
a168702a | 1548 | || it->what == IT_STRETCH); |
177c0ea7 | 1549 | |
6b61353c KH |
1550 | if (it->what == IT_STRETCH) |
1551 | { | |
1552 | produce_stretch_glyph (it); | |
1553 | goto done; | |
1554 | } | |
1555 | ||
4c12d738 KH |
1556 | if (it->what == IT_COMPOSITION) |
1557 | { | |
1558 | produce_composite_glyph (it); | |
1559 | goto done; | |
1560 | } | |
a168702a | 1561 | |
b18fad6d KH |
1562 | if (it->what == IT_GLYPHLESS) |
1563 | { | |
1564 | produce_glyphless_glyph (it, 0, Qnil); | |
1565 | goto done; | |
1566 | } | |
1567 | ||
d419e1d9 | 1568 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1569 | { |
1570 | it->pixel_width = it->nglyphs = 1; | |
1571 | if (it->glyph_row) | |
1572 | append_glyph (it); | |
1573 | } | |
d419e1d9 | 1574 | else if (it->char_to_display == '\n') |
a168702a | 1575 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1576 | else if (it->char_to_display == '\t') |
a168702a | 1577 | { |
2efdbcdd | 1578 | int absolute_x = (it->current_x |
a168702a | 1579 | + it->continuation_lines_width); |
177c0ea7 JB |
1580 | int next_tab_x |
1581 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1582 | / it->tab_width) |
1583 | * it->tab_width); | |
1584 | int nspaces; | |
1585 | ||
1586 | /* If part of the TAB has been displayed on the previous line | |
1587 | which is continued now, continuation_lines_width will have | |
1588 | been incremented already by the part that fitted on the | |
1589 | continued line. So, we will get the right number of spaces | |
1590 | here. */ | |
1591 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1592 | |
a168702a GM |
1593 | if (it->glyph_row) |
1594 | { | |
1595 | int n = nspaces; | |
177c0ea7 | 1596 | |
d2b4c17d | 1597 | it->char_to_display = ' '; |
a168702a | 1598 | it->pixel_width = it->len = 1; |
177c0ea7 | 1599 | |
a168702a GM |
1600 | while (n--) |
1601 | append_glyph (it); | |
a168702a GM |
1602 | } |
1603 | ||
1604 | it->pixel_width = nspaces; | |
1605 | it->nglyphs = nspaces; | |
1606 | } | |
d419e1d9 | 1607 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1608 | { |
d419e1d9 KH |
1609 | /* Coming here means that we must send the raw 8-bit byte as is |
1610 | to the terminal. Although there's no way to know how many | |
1611 | columns it occupies on a screen, it is a good assumption that | |
1612 | a single byte code has 1-column width. */ | |
1613 | it->pixel_width = it->nglyphs = 1; | |
1614 | if (it->glyph_row) | |
1615 | append_glyph (it); | |
add44890 | 1616 | } |
a168702a GM |
1617 | else |
1618 | { | |
b18fad6d | 1619 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1620 | |
b18fad6d KH |
1621 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1622 | { | |
1623 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1624 | it->nglyphs = it->pixel_width; | |
1625 | if (it->glyph_row) | |
1626 | append_glyph (it); | |
1627 | } | |
1628 | else | |
1629 | { | |
1630 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1631 | ||
1632 | xassert (it->what == IT_GLYPHLESS); | |
1633 | produce_glyphless_glyph (it, 1, acronym); | |
1634 | } | |
a168702a GM |
1635 | } |
1636 | ||
6b61353c | 1637 | done: |
177c0ea7 | 1638 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1639 | the caller. */ |
1640 | if (it->area == TEXT_AREA) | |
1641 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1642 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1643 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1644 | } |
1645 | ||
1646 | ||
6b61353c KH |
1647 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1648 | of the glyph property displayed. The value must be a list | |
1649 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1650 | being recognized: | |
1651 | ||
1652 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1653 | canonical char width wide. WIDTH may be an integer or floating | |
1654 | point number. | |
1655 | ||
1656 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1657 | to reach HPOS, a value in canonical character units. */ | |
1658 | ||
1659 | static void | |
d3da34e0 | 1660 | produce_stretch_glyph (struct it *it) |
6b61353c KH |
1661 | { |
1662 | /* (space :width WIDTH ...) */ | |
1663 | Lisp_Object prop, plist; | |
1664 | int width = 0, align_to = -1; | |
1665 | int zero_width_ok_p = 0; | |
1666 | double tem; | |
1667 | ||
1668 | /* List should start with `space'. */ | |
1669 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1670 | plist = XCDR (it->object); | |
1671 | ||
1672 | /* Compute the width of the stretch. */ | |
1673 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1674 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1675 | { | |
1676 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1677 | zero_width_ok_p = 1; | |
1678 | width = (int)(tem + 0.5); | |
1679 | } | |
1680 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1681 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1682 | { | |
1683 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1684 | align_to = (align_to < 0 |
6b61353c KH |
1685 | ? 0 |
1686 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1687 | else if (align_to < 0) | |
1688 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1689 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1690 | zero_width_ok_p = 1; | |
1691 | } | |
1692 | else | |
1693 | /* Nothing specified -> width defaults to canonical char width. */ | |
1694 | width = FRAME_COLUMN_WIDTH (it->f); | |
1695 | ||
1696 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1697 | width = 1; | |
1698 | ||
d5221487 CY |
1699 | if (width > 0 && it->line_wrap != TRUNCATE |
1700 | && it->current_x + width > it->last_visible_x) | |
1701 | width = it->last_visible_x - it->current_x - 1; | |
1702 | ||
6b61353c KH |
1703 | if (width > 0 && it->glyph_row) |
1704 | { | |
1705 | Lisp_Object o_object = it->object; | |
1706 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1707 | int n = width; | |
6b61353c KH |
1708 | |
1709 | if (!STRINGP (object)) | |
1710 | object = it->w->buffer; | |
1711 | it->object = object; | |
d2b4c17d | 1712 | it->char_to_display = ' '; |
6b61353c KH |
1713 | it->pixel_width = it->len = 1; |
1714 | while (n--) | |
1715 | append_glyph (it); | |
1716 | it->object = o_object; | |
6b61353c KH |
1717 | } |
1718 | it->pixel_width = width; | |
1719 | it->nglyphs = width; | |
1720 | } | |
1721 | ||
1722 | ||
4c12d738 KH |
1723 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1724 | Called from produce_composite_glyph for terminal frames if | |
1725 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1726 | face. */ | |
1727 | ||
1728 | static void | |
d3da34e0 | 1729 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1730 | { |
1731 | struct glyph *glyph; | |
1732 | ||
1733 | xassert (it->glyph_row); | |
1734 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1735 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1736 | { | |
93d68d0c EZ |
1737 | /* If the glyph row is reversed, we need to prepend the glyph |
1738 | rather than append it. */ | |
1739 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1740 | { | |
1741 | struct glyph *g; | |
1742 | ||
1743 | /* Make room for the new glyph. */ | |
1744 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1745 | g[1] = *g; | |
1746 | glyph = it->glyph_row->glyphs[it->area]; | |
1747 | } | |
4c12d738 KH |
1748 | glyph->type = COMPOSITE_GLYPH; |
1749 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1750 | glyph->u.cmp.id = it->cmp_it.id; |
1751 | if (it->cmp_it.ch < 0) | |
1752 | { | |
1753 | glyph->u.cmp.automatic = 0; | |
1754 | glyph->u.cmp.id = it->cmp_it.id; | |
1755 | } | |
1756 | else | |
1757 | { | |
1758 | glyph->u.cmp.automatic = 1; | |
1759 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1760 | glyph->slice.cmp.from = it->cmp_it.from; |
1761 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1762 | } |
1763 | ||
4c12d738 KH |
1764 | glyph->face_id = it->face_id; |
1765 | glyph->padding_p = 0; | |
1766 | glyph->charpos = CHARPOS (it->position); | |
1767 | glyph->object = it->object; | |
93d68d0c EZ |
1768 | if (it->bidi_p) |
1769 | { | |
1770 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1771 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1772 | abort (); | |
1773 | glyph->bidi_type = it->bidi_it.type; | |
1774 | } | |
1775 | else | |
1776 | { | |
1777 | glyph->resolved_level = 0; | |
1778 | glyph->bidi_type = UNKNOWN_BT; | |
1779 | } | |
4c12d738 KH |
1780 | |
1781 | ++it->glyph_row->used[it->area]; | |
1782 | ++glyph; | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | ||
1787 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1788 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1789 | assuming that the terminal has a capability to layout/render it |
1790 | correctly. */ | |
4c12d738 KH |
1791 | |
1792 | static void | |
d3da34e0 | 1793 | produce_composite_glyph (struct it *it) |
4c12d738 | 1794 | { |
75a10786 KH |
1795 | if (it->cmp_it.ch < 0) |
1796 | { | |
1797 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1798 | ||
d0984aff | 1799 | it->pixel_width = cmp->width; |
75a10786 KH |
1800 | } |
1801 | else | |
1802 | { | |
1803 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1804 | |
75a10786 KH |
1805 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1806 | it->cmp_it.to, NULL); | |
1807 | } | |
1808 | it->nglyphs = 1; | |
4c12d738 KH |
1809 | if (it->glyph_row) |
1810 | append_composite_glyph (it); | |
1811 | } | |
1812 | ||
1813 | ||
b18fad6d | 1814 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1815 | is a face ID to be used for the glyph. What is actually appended |
1816 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1817 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1818 | |
1819 | static void | |
fbceeba2 | 1820 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1821 | { |
1822 | struct glyph *glyph, *end; | |
b18fad6d KH |
1823 | int i; |
1824 | ||
1825 | xassert (it->glyph_row); | |
1826 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1827 | end = it->glyph_row->glyphs[1 + it->area]; | |
1828 | ||
1829 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1830 | than append it. */ | |
1831 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1832 | { | |
1833 | struct glyph *g; | |
1834 | int move_by = it->pixel_width; | |
1835 | ||
1836 | /* Make room for the new glyphs. */ | |
1837 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1838 | move_by = end - glyph; | |
1839 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1840 | g[move_by] = *g; | |
1841 | glyph = it->glyph_row->glyphs[it->area]; | |
1842 | end = glyph + move_by; | |
1843 | } | |
1844 | ||
1845 | if (glyph >= end) | |
1846 | return; | |
1847 | glyph->type = CHAR_GLYPH; | |
1848 | glyph->pixel_width = 1; | |
1849 | glyph->face_id = face_id; | |
1850 | glyph->padding_p = 0; | |
1851 | glyph->charpos = CHARPOS (it->position); | |
1852 | glyph->object = it->object; | |
1853 | if (it->bidi_p) | |
1854 | { | |
1855 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1856 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1857 | abort (); | |
1858 | glyph->bidi_type = it->bidi_it.type; | |
1859 | } | |
1860 | else | |
1861 | { | |
1862 | glyph->resolved_level = 0; | |
1863 | glyph->bidi_type = UNKNOWN_BT; | |
1864 | } | |
1865 | ||
1866 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1867 | the REVERSED_P case because we write to the terminal | |
1868 | left-to-right. */ | |
1869 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1870 | { | |
1871 | if (i > 0) | |
1872 | glyph[0] = glyph[-1]; | |
1873 | glyph->u.ch = str[i]; | |
1874 | ++it->glyph_row->used[it->area]; | |
1875 | ++glyph; | |
1876 | } | |
1877 | } | |
1878 | ||
b18fad6d KH |
1879 | /* Produce glyphs for a glyphless character for iterator IT. |
1880 | IT->glyphless_method specifies which method to use for displaying | |
1881 | the character. See the description of enum | |
0eb025fb | 1882 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1883 | |
1884 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
1885 | is not supproted by the coding system of the terminal. ACRONYM, if | |
1886 | non-nil, is an acronym string for the character. | |
1887 | ||
1888 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1889 | ||
1890 | static void | |
1891 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1892 | { | |
1893 | int face_id; | |
0eb025fb | 1894 | int len; |
fbceeba2 PE |
1895 | char buf[9]; |
1896 | char const *str = " "; | |
b18fad6d KH |
1897 | |
1898 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1899 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1900 | if (it->f == last_glyphless_glyph_frame |
1901 | && it->face_id == last_glyphless_glyph_face_id) | |
1902 | { | |
1903 | face_id = last_glyphless_glyph_merged_face_id; | |
1904 | } | |
1905 | else | |
1906 | { | |
1907 | /* Merge the `glyphless-char' face into the current face. */ | |
1908 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1909 | last_glyphless_glyph_frame = it->f; | |
1910 | last_glyphless_glyph_face_id = it->face_id; | |
1911 | last_glyphless_glyph_merged_face_id = face_id; | |
1912 | } | |
1913 | ||
1914 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1915 | { | |
0eb025fb EZ |
1916 | /* As there's no way to produce a thin space, we produce a space |
1917 | of canonical width. */ | |
b18fad6d KH |
1918 | len = 1; |
1919 | } | |
1920 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1921 | { | |
1922 | len = CHAR_WIDTH (it->c); | |
1923 | if (len == 0) | |
1924 | len = 1; | |
0eb025fb | 1925 | else if (len > 4) |
b18fad6d | 1926 | len = 4; |
0eb025fb EZ |
1927 | sprintf (buf, "[%.*s]", len, str); |
1928 | len += 2; | |
1929 | str = buf; | |
b18fad6d KH |
1930 | } |
1931 | else | |
1932 | { | |
1933 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1934 | { | |
b18fad6d KH |
1935 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1936 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
1937 | buf[0] = '['; | |
51b59d79 | 1938 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1939 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1940 | buf[1 + len] = str[len]; | |
1941 | buf[1 + len] = ']'; | |
1942 | len += 2; | |
1943 | } | |
1944 | else | |
1945 | { | |
0eb025fb | 1946 | xassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1947 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1948 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1949 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1950 | } |
1951 | str = buf; | |
1952 | } | |
1953 | ||
1954 | it->pixel_width = len; | |
1955 | it->nglyphs = len; | |
d284567f | 1956 | if (it->glyph_row) |
b18fad6d KH |
1957 | append_glyphless_glyph (it, face_id, str); |
1958 | } | |
1959 | ||
1960 | ||
a168702a GM |
1961 | /* Get information about special display element WHAT in an |
1962 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1963 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1964 | non-null glyph_row member. This function ensures that fields like | |
1965 | face_id, c, len of IT are left untouched. */ | |
1966 | ||
1967 | void | |
d3da34e0 | 1968 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
1969 | { |
1970 | struct it temp_it; | |
f4d953fc | 1971 | Lisp_Object gc; |
072d84a6 | 1972 | GLYPH glyph; |
177c0ea7 | 1973 | |
a168702a GM |
1974 | temp_it = *it; |
1975 | temp_it.dp = NULL; | |
1976 | temp_it.what = IT_CHARACTER; | |
1977 | temp_it.len = 1; | |
7c752c80 | 1978 | temp_it.object = make_number (0); |
72af86bd | 1979 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
1980 | |
1981 | if (what == IT_CONTINUATION) | |
1982 | { | |
26cdf528 EZ |
1983 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
1984 | if (it->bidi_it.paragraph_dir == R2L) | |
1985 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
1986 | else | |
1987 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 1988 | if (it->dp |
f4d953fc KS |
1989 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1990 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1991 | { |
26cdf528 | 1992 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
1993 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1994 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1995 | } |
a168702a GM |
1996 | } |
1997 | else if (what == IT_TRUNCATION) | |
1998 | { | |
1999 | /* Truncation glyph. */ | |
f4d953fc | 2000 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 2001 | if (it->dp |
f4d953fc KS |
2002 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2003 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2004 | { |
26cdf528 | 2005 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2006 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2007 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2008 | } |
a168702a GM |
2009 | } |
2010 | else | |
2011 | abort (); | |
072d84a6 | 2012 | |
d419e1d9 | 2013 | temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph); |
f4d953fc | 2014 | temp_it.face_id = GLYPH_FACE (glyph); |
072d84a6 RS |
2015 | temp_it.len = CHAR_BYTES (temp_it.c); |
2016 | ||
2017 | produce_glyphs (&temp_it); | |
2018 | it->pixel_width = temp_it.pixel_width; | |
2019 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
2020 | } |
2021 | ||
2022 | ||
a168702a GM |
2023 | \f |
2024 | /*********************************************************************** | |
2025 | Faces | |
2026 | ***********************************************************************/ | |
2027 | ||
4e6ba4a4 GM |
2028 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2029 | one of the enumerators from enum no_color_bit, or a bit set built | |
2030 | from them. Some display attributes may not be used together with | |
2031 | color; the termcap capability `NC' specifies which ones. */ | |
2032 | ||
fca177d4 KL |
2033 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
2034 | (tty->TN_max_colors > 0 \ | |
2035 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
2036 | : 1) | |
a168702a | 2037 | |
072d84a6 RS |
2038 | /* Turn appearances of face FACE_ID on tty frame F on. |
2039 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
2040 | |
2041 | static void | |
d3da34e0 | 2042 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
2043 | { |
2044 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2045 | long fg = face->foreground; |
2046 | long bg = face->background; | |
28d7d09f | 2047 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2048 | |
86a7d192 GM |
2049 | /* Do this first because TS_end_standout_mode may be the same |
2050 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 2051 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 2052 | { |
fca177d4 | 2053 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
2054 | { |
2055 | if (fg >= 0 && bg >= 0) | |
2056 | { | |
2057 | /* If the terminal supports colors, we can set them | |
2058 | below without using reverse video. The face's fg | |
2059 | and bg colors are set as they should appear on | |
2060 | the screen, i.e. they take the inverse-video'ness | |
2061 | of the face already into account. */ | |
2062 | } | |
2063 | else if (inverse_video) | |
2064 | { | |
2065 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2066 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2067 | tty_toggle_highlight (tty); |
86a7d192 GM |
2068 | } |
2069 | else | |
2070 | { | |
2071 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2072 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2073 | tty_toggle_highlight (tty); |
86a7d192 GM |
2074 | } |
2075 | } | |
2076 | else | |
2077 | { | |
2078 | /* If we can't display colors, use reverse video | |
2079 | if the face specifies that. */ | |
37526b42 GM |
2080 | if (inverse_video) |
2081 | { | |
2082 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2083 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2084 | tty_toggle_highlight (tty); |
37526b42 GM |
2085 | } |
2086 | else | |
2087 | { | |
2088 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2089 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2090 | tty_toggle_highlight (tty); |
37526b42 | 2091 | } |
86a7d192 GM |
2092 | } |
2093 | } | |
a168702a | 2094 | |
4189ed40 CY |
2095 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2096 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2097 | ||
2098 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
2099 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
2100 | |
2101 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 2102 | if (face->tty_alt_charset_p |
fca177d4 KL |
2103 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
2104 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 2105 | |
4e6ba4a4 | 2106 | if (face->tty_blinking_p |
fca177d4 KL |
2107 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
2108 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 2109 | |
fca177d4 KL |
2110 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2111 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2112 | |
fca177d4 | 2113 | if (tty->TN_max_colors > 0) |
a168702a | 2114 | { |
fbceeba2 PE |
2115 | const char *ts; |
2116 | char *p; | |
177c0ea7 | 2117 | |
fbf34973 | 2118 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2119 | if (fg >= 0 && ts) |
a168702a | 2120 | { |
50938595 | 2121 | p = tparam (ts, NULL, 0, (int) fg, 0, 0, 0); |
6548cf00 | 2122 | OUTPUT (tty, p); |
a168702a GM |
2123 | xfree (p); |
2124 | } | |
2125 | ||
fbf34973 | 2126 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2127 | if (bg >= 0 && ts) |
a168702a | 2128 | { |
50938595 | 2129 | p = tparam (ts, NULL, 0, (int) bg, 0, 0, 0); |
6548cf00 | 2130 | OUTPUT (tty, p); |
a168702a GM |
2131 | xfree (p); |
2132 | } | |
2133 | } | |
2134 | } | |
177c0ea7 | 2135 | |
a168702a GM |
2136 | |
2137 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2138 | ||
2139 | static void | |
d3da34e0 | 2140 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2141 | { |
2142 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2143 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2144 | |
2145 | xassert (face != NULL); | |
2146 | ||
fca177d4 | 2147 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2148 | { |
2149 | /* Capability "me" will turn off appearance modes double-bright, | |
2150 | half-bright, reverse-video, standout, underline. It may or | |
2151 | may not turn off alt-char-mode. */ | |
2152 | if (face->tty_bold_p | |
2153 | || face->tty_dim_p | |
2154 | || face->tty_reverse_p | |
2155 | || face->tty_alt_charset_p | |
2156 | || face->tty_blinking_p | |
2157 | || face->tty_underline_p) | |
65aa5e85 | 2158 | { |
fca177d4 KL |
2159 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2160 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2161 | tty->standout_mode = 0; | |
65aa5e85 | 2162 | } |
a168702a GM |
2163 | |
2164 | if (face->tty_alt_charset_p) | |
fca177d4 | 2165 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2166 | } |
2167 | else | |
2168 | { | |
2169 | /* If we don't have "me" we can only have those appearances | |
2170 | that have exit sequences defined. */ | |
2171 | if (face->tty_alt_charset_p) | |
fca177d4 | 2172 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2173 | |
54800acb | 2174 | if (face->tty_underline_p) |
fca177d4 | 2175 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2176 | } |
2177 | ||
2178 | /* Switch back to default colors. */ | |
fca177d4 | 2179 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2180 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2181 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2182 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2183 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2184 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2185 | } |
177c0ea7 JB |
2186 | |
2187 | ||
b63a55ac MB |
2188 | /* Return non-zero if the terminal on frame F supports all of the |
2189 | capabilities in CAPS simultaneously, with foreground and background | |
2190 | colors FG and BG. */ | |
2191 | ||
4a8130f2 | 2192 | int |
d3da34e0 JB |
2193 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2194 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2195 | { |
fca177d4 KL |
2196 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2197 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2198 | return 0; |
2199 | ||
fca177d4 KL |
2200 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2201 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2202 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2203 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2204 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2205 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2206 | |
2207 | /* We can do it! */ | |
2208 | return 1; | |
2209 | } | |
2210 | ||
a168702a GM |
2211 | /* Return non-zero if the terminal is capable to display colors. */ |
2212 | ||
2213 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2214 | 0, 1, 0, |
6ed8eeff KL |
2215 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2216 | ||
401e9e57 CY |
2217 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2218 | selected frame's terminal). This function always returns nil if | |
2219 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2220 | (Lisp_Object terminal) |
a168702a | 2221 | { |
717a00ef | 2222 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2223 | if (!t) |
428a555e | 2224 | return Qnil; |
3224dac1 | 2225 | else |
6ed8eeff | 2226 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2227 | } |
2228 | ||
bfa62f96 EZ |
2229 | /* Return the number of supported colors. */ |
2230 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2231 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2232 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2233 | ||
401e9e57 CY |
2234 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2235 | selected frame's terminal). This function always returns 0 if | |
2236 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2237 | (Lisp_Object terminal) |
bfa62f96 | 2238 | { |
717a00ef | 2239 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2240 | if (!t) |
8c8d5f35 | 2241 | return make_number (0); |
3224dac1 | 2242 | else |
6ed8eeff | 2243 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2244 | } |
2245 | ||
84704c5c | 2246 | #ifndef DOS_NT |
a168702a | 2247 | |
5205ee62 GM |
2248 | /* Declare here rather than in the function, as in the rest of Emacs, |
2249 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2250 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2251 | static int default_max_colors; |
2252 | static int default_max_pairs; | |
2253 | static int default_no_color_video; | |
2254 | static char *default_orig_pair; | |
2255 | static char *default_set_foreground; | |
2256 | static char *default_set_background; | |
fcf8ff2e | 2257 | |
ace28297 EZ |
2258 | /* Save or restore the default color-related capabilities of this |
2259 | terminal. */ | |
2260 | static void | |
28d7d09f | 2261 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2262 | { |
ace28297 EZ |
2263 | |
2264 | if (save) | |
2265 | { | |
70fdbb46 | 2266 | xfree (default_orig_pair); |
fca177d4 | 2267 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2268 | |
70fdbb46 | 2269 | xfree (default_set_foreground); |
fca177d4 | 2270 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2271 | : NULL; |
2272 | ||
70fdbb46 | 2273 | xfree (default_set_background); |
fca177d4 | 2274 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2275 | : NULL; |
2276 | ||
fca177d4 KL |
2277 | default_max_colors = tty->TN_max_colors; |
2278 | default_max_pairs = tty->TN_max_pairs; | |
2279 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2280 | } |
2281 | else | |
2282 | { | |
fca177d4 KL |
2283 | tty->TS_orig_pair = default_orig_pair; |
2284 | tty->TS_set_foreground = default_set_foreground; | |
2285 | tty->TS_set_background = default_set_background; | |
2286 | tty->TN_max_colors = default_max_colors; | |
2287 | tty->TN_max_pairs = default_max_pairs; | |
2288 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2289 | } |
2290 | } | |
2291 | ||
2292 | /* Setup one of the standard tty color schemes according to MODE. | |
2293 | MODE's value is generally the number of colors which we want to | |
2294 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2295 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2296 | static void |
28d7d09f | 2297 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2298 | { |
6b61353c KH |
2299 | /* Canonicalize all negative values of MODE. */ |
2300 | if (mode < -1) | |
2301 | mode = -1; | |
2302 | ||
ace28297 EZ |
2303 | switch (mode) |
2304 | { | |
2305 | case -1: /* no colors at all */ | |
fca177d4 KL |
2306 | tty->TN_max_colors = 0; |
2307 | tty->TN_max_pairs = 0; | |
2308 | tty->TN_no_color_video = 0; | |
2309 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2310 | break; |
2311 | case 0: /* default colors, if any */ | |
2312 | default: | |
fca177d4 | 2313 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2314 | break; |
2315 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2316 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2317 | #ifdef TERMINFO |
fca177d4 KL |
2318 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2319 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2320 | #else |
fca177d4 KL |
2321 | tty->TS_set_foreground = "\033[3%dm"; |
2322 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2323 | #endif |
fca177d4 KL |
2324 | tty->TN_max_colors = 8; |
2325 | tty->TN_max_pairs = 64; | |
2326 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2327 | break; |
2328 | } | |
2329 | } | |
2330 | ||
2331 | void | |
d3da34e0 | 2332 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2333 | { |
ce5b453a | 2334 | Lisp_Object tem, val; |
9b2cd403 SM |
2335 | Lisp_Object color_mode; |
2336 | int mode; | |
9b2cd403 SM |
2337 | Lisp_Object tty_color_mode_alist |
2338 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2339 | |
c23b5410 | 2340 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2341 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2342 | |
6b61353c | 2343 | if (INTEGERP (val)) |
ace28297 | 2344 | color_mode = val; |
ce5b453a | 2345 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2346 | { |
ce5b453a | 2347 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2348 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2349 | } |
ce5b453a SM |
2350 | else |
2351 | color_mode = Qnil; | |
6b61353c | 2352 | |
9b2cd403 | 2353 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2354 | |
9b2cd403 | 2355 | if (mode != tty->previous_color_mode) |
ace28297 | 2356 | { |
9b2cd403 SM |
2357 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2358 | tty->previous_color_mode = mode; | |
2359 | tty_setup_colors (tty , mode); | |
2360 | /* This recomputes all the faces given the new color definitions. */ | |
2361 | safe_call (1, &funsym); | |
ace28297 EZ |
2362 | } |
2363 | } | |
2364 | ||
84704c5c | 2365 | #endif /* !DOS_NT */ |
a168702a GM |
2366 | |
2367 | \f | |
28d440ab | 2368 | |
6ed8eeff | 2369 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2370 | |
6ed8eeff | 2371 | struct terminal * |
717a00ef | 2372 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2373 | { |
717a00ef | 2374 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2375 | |
84704c5c | 2376 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2377 | { |
2378 | if (throw) | |
2379 | error ("Device %d is not a termcap terminal device", t->id); | |
2380 | else | |
2381 | return NULL; | |
2382 | } | |
b6660415 | 2383 | |
6ed8eeff | 2384 | return t; |
b6660415 KL |
2385 | } |
2386 | ||
ab797f65 KL |
2387 | /* Return an active termcap device that uses the tty device with the |
2388 | given name. | |
b6660415 | 2389 | |
7e59217d | 2390 | This function ignores suspended devices. |
da8e1115 KL |
2391 | |
2392 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2393 | |
6ed8eeff | 2394 | struct terminal * |
8ea90aa3 | 2395 | get_named_tty (const char *name) |
28d440ab | 2396 | { |
6ed8eeff KL |
2397 | struct terminal *t; |
2398 | ||
ab797f65 KL |
2399 | if (!name) |
2400 | abort (); | |
2401 | ||
2402 | for (t = terminal_list; t; t = t->next_terminal) | |
2403 | { | |
5cc67f65 | 2404 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2405 | && !strcmp (t->display_info.tty->name, name) |
2406 | && TERMINAL_ACTIVE_P (t)) | |
2407 | return t; | |
2408 | } | |
28d440ab KL |
2409 | |
2410 | return 0; | |
2411 | } | |
2412 | ||
2413 | \f | |
6ed8eeff KL |
2414 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2415 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2416 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2417 | |
401e9e57 CY |
2418 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2419 | selected frame's terminal). */) | |
5842a27b | 2420 | (Lisp_Object terminal) |
b6660415 | 2421 | { |
6ed8eeff | 2422 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2423 | |
84704c5c | 2424 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2425 | return Qnil; |
2426 | ||
6ed8eeff KL |
2427 | if (t->display_info.tty->type) |
2428 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2429 | else |
2430 | return Qnil; | |
2431 | } | |
2432 | ||
6ed8eeff | 2433 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2434 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2435 | |
401e9e57 CY |
2436 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2437 | selected frame's terminal). This function always returns nil if | |
2438 | TERMINAL is not on a tty device. */) | |
5842a27b | 2439 | (Lisp_Object terminal) |
4a933ef8 | 2440 | { |
6ed8eeff | 2441 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2442 | |
84704c5c EZ |
2443 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2444 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2445 | return Qnil; |
2446 | else | |
2447 | return Qt; | |
2448 | } | |
2449 | ||
a3fbb897 | 2450 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2451 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2452 | This is used to override the terminfo data, for certain terminals that |
2453 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2454 | no effect if used on a non-tty terminal. |
a3fbb897 | 2455 | |
401e9e57 CY |
2456 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2457 | selected frame's terminal). This function always returns nil if | |
2458 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2459 | (Lisp_Object terminal) |
a3fbb897 | 2460 | { |
6ed8eeff | 2461 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2462 | |
6ed8eeff KL |
2463 | if (t->type == output_termcap) |
2464 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2465 | return Qnil; |
2466 | } | |
2467 | ||
ed8dad6b KL |
2468 | \f |
2469 | ||
2470 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2471 | doc: /* Suspend the terminal device TTY. | |
2472 | ||
2473 | The device is restored to its default state, and Emacs ceases all | |
2474 | access to the tty device. Frames that use the device are not deleted, | |
2475 | but input is not read from them and if they change, their display is | |
2476 | not updated. | |
2477 | ||
401e9e57 CY |
2478 | TTY may be a terminal object, a frame, or nil for the terminal device |
2479 | of the currently selected frame. | |
ed8dad6b | 2480 | |
e4019195 | 2481 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2482 | device. The functions are run with one arg, the id of the suspended |
2483 | terminal device. | |
2484 | ||
2485 | `suspend-tty' does nothing if it is called on a device that is already | |
2486 | suspended. | |
2487 | ||
2488 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2489 | (Lisp_Object tty) |
ed8dad6b | 2490 | { |
717a00ef | 2491 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2492 | FILE *f; |
f4d953fc | 2493 | |
6ed8eeff | 2494 | if (!t) |
ed8dad6b KL |
2495 | error ("Unknown tty device"); |
2496 | ||
6ed8eeff | 2497 | f = t->display_info.tty->input; |
f4d953fc | 2498 | |
ed8dad6b KL |
2499 | if (f) |
2500 | { | |
23d4cba5 DN |
2501 | /* First run `suspend-tty-functions' and then clean up the tty |
2502 | state because `suspend-tty-functions' might need to change | |
2503 | the tty state. */ | |
dee091a3 JD |
2504 | Lisp_Object args[2]; |
2505 | args[0] = intern ("suspend-tty-functions"); | |
2506 | XSETTERMINAL (args[1], t); | |
2507 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2508 | |
6ed8eeff | 2509 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2510 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2511 | |
84704c5c | 2512 | #ifndef MSDOS |
ed8dad6b | 2513 | fclose (f); |
6ed8eeff KL |
2514 | if (f != t->display_info.tty->output) |
2515 | fclose (t->display_info.tty->output); | |
84704c5c | 2516 | #endif |
f4d953fc | 2517 | |
6ed8eeff KL |
2518 | t->display_info.tty->input = 0; |
2519 | t->display_info.tty->output = 0; | |
ed8dad6b | 2520 | |
6ed8eeff KL |
2521 | if (FRAMEP (t->display_info.tty->top_frame)) |
2522 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2523 | |
ed8dad6b KL |
2524 | } |
2525 | ||
4a665758 KL |
2526 | /* Clear display hooks to prevent further output. */ |
2527 | clear_tty_hooks (t); | |
2528 | ||
ed8dad6b KL |
2529 | return Qnil; |
2530 | } | |
2531 | ||
2532 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2533 | doc: /* Resume the previously suspended terminal device TTY. | |
2534 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2535 | suspended terminal are revived. |
ed8dad6b | 2536 | |
6ed8eeff KL |
2537 | It is an error to resume a terminal while another terminal is active |
2538 | on the same device. | |
ed8dad6b | 2539 | |
e4019195 | 2540 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2541 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2542 | device. |
2543 | ||
2544 | `resume-tty' does nothing if it is called on a device that is not | |
2545 | suspended. | |
2546 | ||
401e9e57 CY |
2547 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2548 | frame's terminal). */) | |
5842a27b | 2549 | (Lisp_Object tty) |
ed8dad6b | 2550 | { |
717a00ef | 2551 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2552 | int fd; |
2553 | ||
6ed8eeff | 2554 | if (!t) |
ed8dad6b KL |
2555 | error ("Unknown tty device"); |
2556 | ||
6ed8eeff | 2557 | if (!t->display_info.tty->input) |
ed8dad6b | 2558 | { |
6ed8eeff | 2559 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2560 | error ("Cannot resume display while another display is active on the same device"); |
2561 | ||
84704c5c EZ |
2562 | #ifdef MSDOS |
2563 | t->display_info.tty->output = stdout; | |
2564 | t->display_info.tty->input = stdin; | |
2565 | #else /* !MSDOS */ | |
6ed8eeff | 2566 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2567 | |
59b3194c KL |
2568 | if (fd == -1) |
2569 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2570 | |
78048085 | 2571 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2572 | dissociate_if_controlling_tty (fd); |
78048085 | 2573 | |
6ed8eeff KL |
2574 | t->display_info.tty->output = fdopen (fd, "w+"); |
2575 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2576 | #endif |
78048085 | 2577 | |
ed8dad6b KL |
2578 | add_keyboard_wait_descriptor (fd); |
2579 | ||
6ed8eeff | 2580 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2581 | { |
2582 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2583 | int width, height; | |
2584 | int old_height = FRAME_COLS (f); | |
2585 | int old_width = FRAME_LINES (f); | |
2586 | ||
2587 | /* Check if terminal/window size has changed while the frame | |
2588 | was suspended. */ | |
2589 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2590 | if (width != old_width || height != old_height) | |
2591 | change_frame_size (f, height, width, 0, 0, 0); | |
2592 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2593 | } | |
ed8dad6b | 2594 | |
6ed8eeff | 2595 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2596 | |
dee091a3 JD |
2597 | { |
2598 | /* Run `resume-tty-functions'. */ | |
2599 | Lisp_Object args[2]; | |
2600 | args[0] = intern ("resume-tty-functions"); | |
2601 | XSETTERMINAL (args[1], t); | |
2602 | Frun_hook_with_args (2, args); | |
2603 | } | |
ed8dad6b KL |
2604 | } |
2605 | ||
4a665758 KL |
2606 | set_tty_hooks (t); |
2607 | ||
ed8dad6b KL |
2608 | return Qnil; |
2609 | } | |
a3fbb897 | 2610 | |
819b8f00 | 2611 | \f |
e882229c NR |
2612 | /*********************************************************************** |
2613 | Mouse | |
2614 | ***********************************************************************/ | |
2615 | ||
7e5a23bd | 2616 | #ifdef HAVE_GPM |
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 NR |
2629 | } |
2630 | ||
cf482c50 EZ |
2631 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2632 | void | |
2633 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2634 | int start_hpos, int end_hpos, | |
2635 | enum draw_glyphs_face draw) | |
e882229c | 2636 | { |
cf482c50 EZ |
2637 | int nglyphs = end_hpos - start_hpos; |
2638 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2639 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2640 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2641 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2642 | |
cf482c50 EZ |
2643 | if (end_hpos >= row->used[TEXT_AREA]) |
2644 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2645 | |
cf482c50 EZ |
2646 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2647 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2648 | |
cf482c50 EZ |
2649 | /* Save current cursor co-ordinates. */ |
2650 | save_y = curY (tty); | |
2651 | save_x = curX (tty); | |
2652 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2653 | |
cf482c50 EZ |
2654 | if (draw == DRAW_MOUSE_FACE) |
2655 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2656 | nglyphs, face_id); | |
2657 | else if (draw == DRAW_NORMAL_TEXT) | |
2658 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2659 | |
cf482c50 | 2660 | cursor_to (f, save_y, save_x); |
e882229c NR |
2661 | } |
2662 | ||
2663 | static int | |
2664 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2665 | { | |
2666 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2667 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2668 | { | |
2669 | frame->mouse_moved = 1; | |
cf482c50 | 2670 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2671 | /* Remember which glyph we're now on. */ |
2672 | last_mouse_x = event->x; | |
2673 | last_mouse_y = event->y; | |
2674 | return 1; | |
2675 | } | |
2676 | return 0; | |
2677 | } | |
2678 | ||
2679 | /* Return the current position of the mouse. | |
2680 | ||
2681 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2682 | Emacs frame. If it is set to zero, all the other arguments are | |
2683 | garbage. | |
2684 | ||
2685 | Set *bar_window to Qnil, and *x and *y to the column and | |
2686 | row of the character cell the mouse is over. | |
2687 | ||
7f3f1250 | 2688 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2689 | |
80fb2ce0 | 2690 | This clears mouse_moved until the next motion |
94da14a0 | 2691 | event arrives. */ |
e882229c NR |
2692 | static void |
2693 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2694 | enum scroll_bar_part *part, Lisp_Object *x, | |
7f3f1250 | 2695 | Lisp_Object *y, unsigned long *timeptr) |
e882229c | 2696 | { |
e882229c | 2697 | struct timeval now; |
e882229c NR |
2698 | |
2699 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2700 | (*fp)->mouse_moved = 0; |
e882229c NR |
2701 | |
2702 | *bar_window = Qnil; | |
2703 | *part = 0; | |
2704 | ||
80fb2ce0 | 2705 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2706 | XSETINT (*y, last_mouse_y); |
e882229c | 2707 | gettimeofday(&now, 0); |
7f3f1250 | 2708 | *timeptr = (now.tv_sec * 1000) + (now.tv_usec / 1000); |
e882229c NR |
2709 | } |
2710 | ||
2711 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2712 | ||
2713 | If the event is a button press, then note that we have grabbed | |
2714 | the mouse. */ | |
2715 | ||
2716 | static Lisp_Object | |
2717 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2718 | struct frame *f) | |
2719 | { | |
2720 | struct timeval now; | |
2721 | int i, j; | |
2722 | ||
2723 | result->kind = GPM_CLICK_EVENT; | |
2724 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2725 | { | |
2726 | if (event->buttons & j) { | |
2727 | result->code = i; /* button number */ | |
2728 | break; | |
2729 | } | |
2730 | } | |
2731 | gettimeofday(&now, 0); | |
2732 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2733 | ||
2734 | if (event->type & GPM_UP) | |
2735 | result->modifiers = up_modifier; | |
2736 | else if (event->type & GPM_DOWN) | |
2737 | result->modifiers = down_modifier; | |
2738 | else | |
2739 | result->modifiers = 0; | |
f4d953fc | 2740 | |
e882229c NR |
2741 | if (event->type & GPM_SINGLE) |
2742 | result->modifiers |= click_modifier; | |
f4d953fc | 2743 | |
e882229c NR |
2744 | if (event->type & GPM_DOUBLE) |
2745 | result->modifiers |= double_modifier; | |
2746 | ||
2747 | if (event->type & GPM_TRIPLE) | |
2748 | result->modifiers |= triple_modifier; | |
2749 | ||
2750 | if (event->type & GPM_DRAG) | |
2751 | result->modifiers |= drag_modifier; | |
2752 | ||
80fb2ce0 | 2753 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2754 | |
2755 | /* 1 << KG_SHIFT */ | |
2756 | if (event->modifiers & (1 << 0)) | |
2757 | result->modifiers |= shift_modifier; | |
2758 | ||
2759 | /* 1 << KG_CTRL */ | |
2760 | if (event->modifiers & (1 << 2)) | |
2761 | result->modifiers |= ctrl_modifier; | |
2762 | ||
2763 | /* 1 << KG_ALT || KG_ALTGR */ | |
2764 | if (event->modifiers & (1 << 3) | |
2765 | || event->modifiers & (1 << 1)) | |
2766 | result->modifiers |= meta_modifier; | |
2767 | } | |
2768 | ||
80fb2ce0 NR |
2769 | XSETINT (result->x, event->x); |
2770 | XSETINT (result->y, event->y); | |
e882229c NR |
2771 | XSETFRAME (result->frame_or_window, f); |
2772 | result->arg = Qnil; | |
2773 | return Qnil; | |
2774 | } | |
2775 | ||
f4d953fc | 2776 | int |
7be1c21a | 2777 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2778 | { |
7be1c21a | 2779 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2780 | struct input_event ie; |
2781 | int do_help = 0; | |
2782 | int count = 0; | |
2783 | ||
2784 | EVENT_INIT (ie); | |
2785 | ie.kind = NO_EVENT; | |
2786 | ie.arg = Qnil; | |
2787 | ||
80fb2ce0 | 2788 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2789 | previous_help_echo_string = help_echo_string; |
2790 | help_echo_string = Qnil; | |
2791 | ||
6178ce5e | 2792 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2793 | |
80fb2ce0 NR |
2794 | if (!term_mouse_movement (f, event)) |
2795 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2796 | |
2797 | /* If the contents of the global variable help_echo_string | |
2798 | has changed, generate a HELP_EVENT. */ | |
2799 | if (!NILP (help_echo_string) | |
2800 | || !NILP (previous_help_echo_string)) | |
2801 | do_help = 1; | |
2802 | ||
2803 | goto done; | |
2804 | } | |
2805 | else { | |
2806 | f->mouse_moved = 0; | |
2807 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2808 | } |
2809 | ||
2810 | done: | |
2811 | if (ie.kind != NO_EVENT) | |
2812 | { | |
2813 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2814 | count++; | |
2815 | } | |
2816 | ||
2817 | if (do_help | |
2818 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2819 | { | |
2820 | Lisp_Object frame; | |
2821 | ||
2822 | if (f) | |
2823 | XSETFRAME (frame, f); | |
2824 | else | |
2825 | frame = Qnil; | |
2826 | ||
2827 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2828 | help_echo_object, help_echo_pos); | |
2829 | count++; | |
2830 | } | |
2831 | ||
2832 | return count; | |
2833 | } | |
2834 | ||
6178ce5e | 2835 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2836 | 0, 0, 0, |
71f44e7a | 2837 | doc: /* Open a connection to Gpm. |
6178ce5e | 2838 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2839 | (void) |
e882229c | 2840 | { |
71f44e7a SM |
2841 | struct frame *f = SELECTED_FRAME (); |
2842 | struct tty_display_info *tty | |
2843 | = ((f)->output_method == output_termcap | |
2844 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2845 | Gpm_Connect connection; |
2846 | ||
6178ce5e SM |
2847 | if (!tty) |
2848 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2849 | if (gpm_tty == tty) |
2850 | return Qnil; /* Already activated, nothing to do. */ | |
2851 | if (gpm_tty) | |
2852 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2853 | |
e882229c NR |
2854 | connection.eventMask = ~0; |
2855 | connection.defaultMask = ~GPM_HARD; | |
2856 | connection.maxMod = ~0; | |
2857 | connection.minMod = 0; | |
80fb2ce0 | 2858 | gpm_zerobased = 1; |
e882229c NR |
2859 | |
2860 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2861 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2862 | else |
2863 | { | |
71f44e7a | 2864 | gpm_tty = tty; |
1023cbed SM |
2865 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2866 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2867 | before calling init_sys_modes. */ | |
7be1c21a MB |
2868 | reset_sys_modes (tty); |
2869 | init_sys_modes (tty); | |
e882229c | 2870 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2871 | return Qnil; |
e882229c NR |
2872 | } |
2873 | } | |
2874 | ||
ed5ff21d | 2875 | void |
d347e494 | 2876 | close_gpm (int fd) |
ed5ff21d | 2877 | { |
d347e494 SM |
2878 | if (fd >= 0) |
2879 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2880 | while (Gpm_Close()); /* close all the stack */ |
2881 | gpm_tty = NULL; | |
2882 | } | |
2883 | ||
6178ce5e | 2884 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2885 | 0, 0, 0, |
2886 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2887 | (void) |
e882229c | 2888 | { |
4ce5ab77 SM |
2889 | struct frame *f = SELECTED_FRAME (); |
2890 | struct tty_display_info *tty | |
2891 | = ((f)->output_method == output_termcap | |
2892 | ? (f)->terminal->display_info.tty : NULL); | |
2893 | ||
2894 | if (!tty || gpm_tty != tty) | |
2895 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2896 | |
d347e494 | 2897 | close_gpm (gpm_fd); |
6178ce5e | 2898 | return Qnil; |
e882229c | 2899 | } |
7e5a23bd | 2900 | #endif /* HAVE_GPM */ |
e882229c NR |
2901 | |
2902 | \f | |
89ba96f4 | 2903 | #ifndef MSDOS |
a168702a GM |
2904 | /*********************************************************************** |
2905 | Initialization | |
2906 | ***********************************************************************/ | |
2907 | ||
ed8dad6b KL |
2908 | /* Initialize the tty-dependent part of frame F. The frame must |
2909 | already have its device initialized. */ | |
3224dac1 | 2910 | |
dfcf069d | 2911 | void |
ed8dad6b | 2912 | create_tty_output (struct frame *f) |
28d440ab | 2913 | { |
ed8dad6b KL |
2914 | struct tty_output *t; |
2915 | ||
2916 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2917 | abort (); |
2918 | ||
ed8dad6b | 2919 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 2920 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 2921 | |
6ed8eeff | 2922 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2923 | |
ed8dad6b | 2924 | f->output_data.tty = t; |
3224dac1 KL |
2925 | } |
2926 | ||
9f215d25 | 2927 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2928 | |
ed8dad6b | 2929 | static void |
9f215d25 | 2930 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2931 | { |
ed8dad6b | 2932 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2933 | abort (); |
2934 | ||
9f215d25 CY |
2935 | if (FRAME_FACE_CACHE (f)) |
2936 | free_frame_faces (f); | |
2937 | ||
ed8dad6b | 2938 | xfree (f->output_data.tty); |
28d440ab KL |
2939 | } |
2940 | ||
89ba96f4 EZ |
2941 | #else /* MSDOS */ |
2942 | ||
2943 | /* Delete frame F's face cache. */ | |
2944 | ||
2945 | static void | |
2946 | tty_free_frame_resources (struct frame *f) | |
2947 | { | |
2948 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
2949 | abort (); | |
2950 | ||
2951 | if (FRAME_FACE_CACHE (f)) | |
2952 | free_frame_faces (f); | |
2953 | } | |
2954 | #endif /* MSDOS */ | |
ed8dad6b | 2955 | \f |
47cc8819 | 2956 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2957 | |
4a665758 KL |
2958 | static void |
2959 | clear_tty_hooks (struct terminal *terminal) | |
2960 | { | |
2961 | terminal->rif = 0; | |
2962 | terminal->cursor_to_hook = 0; | |
2963 | terminal->raw_cursor_to_hook = 0; | |
2964 | terminal->clear_to_end_hook = 0; | |
2965 | terminal->clear_frame_hook = 0; | |
2966 | terminal->clear_end_of_line_hook = 0; | |
2967 | terminal->ins_del_lines_hook = 0; | |
2968 | terminal->insert_glyphs_hook = 0; | |
2969 | terminal->write_glyphs_hook = 0; | |
2970 | terminal->delete_glyphs_hook = 0; | |
2971 | terminal->ring_bell_hook = 0; | |
2972 | terminal->reset_terminal_modes_hook = 0; | |
2973 | terminal->set_terminal_modes_hook = 0; | |
2974 | terminal->update_begin_hook = 0; | |
2975 | terminal->update_end_hook = 0; | |
2976 | terminal->set_terminal_window_hook = 0; | |
2977 | terminal->mouse_position_hook = 0; | |
2978 | terminal->frame_rehighlight_hook = 0; | |
2979 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2980 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2981 | terminal->set_vertical_scroll_bar_hook = 0; |
2982 | terminal->condemn_scroll_bars_hook = 0; | |
2983 | terminal->redeem_scroll_bar_hook = 0; | |
2984 | terminal->judge_scroll_bars_hook = 0; | |
2985 | terminal->read_socket_hook = 0; | |
2986 | terminal->frame_up_to_date_hook = 0; | |
2987 | ||
2988 | /* Leave these two set, or suspended frames are not deleted | |
2989 | correctly. */ | |
9f215d25 | 2990 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2991 | terminal->delete_terminal_hook = &delete_tty; |
2992 | } | |
2993 | ||
47cc8819 DN |
2994 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2995 | ||
4a665758 KL |
2996 | static void |
2997 | set_tty_hooks (struct terminal *terminal) | |
2998 | { | |
2999 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3000 | ||
3001 | terminal->cursor_to_hook = &tty_cursor_to; | |
3002 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3003 | ||
3004 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3005 | terminal->clear_frame_hook = &tty_clear_frame; | |
3006 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3007 | ||
3008 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3009 | ||
3010 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3011 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3012 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3013 | ||
3014 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3015 | |
4a665758 KL |
3016 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3017 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3018 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3019 | terminal->update_end_hook = &tty_update_end; | |
3020 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3021 | ||
3022 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3023 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3024 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3025 | ||
3026 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3027 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3028 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3029 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3030 | ||
3031 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3032 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3033 | |
9f215d25 | 3034 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3035 | terminal->delete_terminal_hook = &delete_tty; |
3036 | } | |
3037 | ||
03a1d6bd | 3038 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3039 | static void |
03a1d6bd KL |
3040 | dissociate_if_controlling_tty (int fd) |
3041 | { | |
84704c5c | 3042 | #ifndef DOS_NT |
12e610e8 | 3043 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3044 | if (pgid != -1) |
3045 | { | |
6254cdda | 3046 | #if defined (USG5) |
03a1d6bd KL |
3047 | setpgrp (); |
3048 | no_controlling_tty = 1; | |
de52dcbb DN |
3049 | #elif defined (CYGWIN) |
3050 | setsid (); | |
3051 | no_controlling_tty = 1; | |
03a1d6bd KL |
3052 | #else |
3053 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3054 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3055 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3056 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3057 | { | |
3058 | no_controlling_tty = 1; | |
3059 | } | |
3060 | if (fd != -1) | |
3061 | emacs_close (fd); | |
3062 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3063 | #else |
8516815b KL |
3064 | /* Unknown system. */ |
3065 | croak (); | |
03a1d6bd KL |
3066 | #endif /* ! TIOCNOTTY */ |
3067 | #endif /* ! USG */ | |
71a96040 | 3068 | } |
84704c5c | 3069 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3070 | } |
3071 | ||
3224dac1 KL |
3072 | /* Create a termcap display on the tty device with the given name and |
3073 | type. | |
3074 | ||
ab797f65 | 3075 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3076 | Otherwise NAME should be a path to the tty device file, |
3077 | e.g. "/dev/pts/7". | |
28d440ab | 3078 | |
3224dac1 KL |
3079 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3080 | ||
3081 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3082 | |
6ed8eeff | 3083 | struct terminal * |
8ea90aa3 | 3084 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 3085 | { |
59b3194c | 3086 | char *area = NULL; |
08a24c47 | 3087 | char **address = &area; |
6b61353c | 3088 | int buffer_size = 4096; |
59b3194c | 3089 | register char *p = NULL; |
08a24c47 | 3090 | int status; |
59b3194c KL |
3091 | struct tty_display_info *tty = NULL; |
3092 | struct terminal *terminal = NULL; | |
3093 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3094 | |
3224dac1 | 3095 | if (!terminal_type) |
d31eee5e | 3096 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3097 | "Unknown terminal type", |
3098 | "Unknown terminal type"); | |
b6660415 | 3099 | |
ab797f65 | 3100 | if (name == NULL) |
78048085 EZ |
3101 | name = DEV_TTY; |
3102 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3103 | ctty = 1; |
3104 | ||
6ed8eeff KL |
3105 | /* If we already have a terminal on the given device, use that. If |
3106 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3107 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3108 | always create a new terminal and separating terminal and frame |
b6660415 | 3109 | creation on Lisp level. */ |
6ed8eeff KL |
3110 | terminal = get_named_tty (name); |
3111 | if (terminal) | |
3112 | return terminal; | |
78048085 | 3113 | |
6ed8eeff | 3114 | terminal = create_terminal (); |
84704c5c EZ |
3115 | #ifdef MSDOS |
3116 | if (been_here > 0) | |
d31eee5e | 3117 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3118 | name, ""); |
3119 | been_here = 1; | |
3120 | tty = &the_only_display_info; | |
3121 | #else | |
3224dac1 | 3122 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3123 | #endif |
72af86bd | 3124 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3125 | tty->next = tty_list; |
3126 | tty_list = tty; | |
428a555e | 3127 | |
6ed8eeff KL |
3128 | terminal->type = output_termcap; |
3129 | terminal->display_info.tty = tty; | |
3130 | tty->terminal = terminal; | |
28d440ab | 3131 | |
7b00d185 KL |
3132 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3133 | Wcm_clear (tty); | |
daf01701 | 3134 | |
dce4c2ac DN |
3135 | encode_terminal_src_size = 0; |
3136 | encode_terminal_dst_size = 0; | |
3137 | ||
3138 | #ifdef HAVE_GPM | |
3139 | terminal->mouse_position_hook = term_mouse_position; | |
cf482c50 | 3140 | tty->mouse_highlight.mouse_face_window = Qnil; |
dce4c2ac DN |
3141 | #endif |
3142 | ||
51b59d79 | 3143 | |
84704c5c | 3144 | #ifndef DOS_NT |
4a665758 | 3145 | set_tty_hooks (terminal); |
78048085 | 3146 | |
59b3194c KL |
3147 | { |
3148 | int fd; | |
3149 | FILE *file; | |
0c72d684 KL |
3150 | |
3151 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3152 | if (!ctty) |
0c72d684 KL |
3153 | /* Open the terminal device. Don't recognize it as our |
3154 | controlling terminal, and don't make it the controlling tty | |
3155 | if we don't have one at the moment. */ | |
3156 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3157 | else |
0080dc6b | 3158 | #endif /* O_IGNORE_CTTY */ |
2666355c | 3159 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3160 | defined on Hurd. On other systems, we need to explicitly |
3161 | dissociate ourselves from the controlling tty when we want to | |
3162 | open a frame on the same terminal. */ | |
0c72d684 | 3163 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 | 3164 | |
97c6058a DN |
3165 | tty->name = xstrdup (name); |
3166 | terminal->name = xstrdup (name); | |
3167 | ||
59b3194c | 3168 | if (fd < 0) |
d31eee5e | 3169 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3170 | "Could not open file: %s", |
3171 | "Could not open file: %s", | |
3172 | name); | |
3173 | if (!isatty (fd)) | |
3174 | { | |
3175 | close (fd); | |
d31eee5e | 3176 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3177 | "Not a tty device: %s", |
3178 | "Not a tty device: %s", | |
3179 | name); | |
3180 | } | |
0c72d684 | 3181 | |
59b3194c KL |
3182 | #ifndef O_IGNORE_CTTY |
3183 | if (!ctty) | |
03a1d6bd | 3184 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3185 | #endif |
3186 | ||
3187 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3188 | tty->input = file; |
3189 | tty->output = file; | |
3190 | } | |
78048085 | 3191 | |
28d7d09f | 3192 | tty->type = xstrdup (terminal_type); |
28d440ab | 3193 | |
819b8f00 | 3194 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3195 | |
6548cf00 | 3196 | Wcm_clear (tty); |
08a24c47 | 3197 | |
d31eee5e | 3198 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3199 | |
03a1d6bd KL |
3200 | /* On some systems, tgetent tries to access the controlling |
3201 | terminal. */ | |
3202 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3203 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3204 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3205 | |
08a24c47 | 3206 | if (status < 0) |
b0347178 KH |
3207 | { |
3208 | #ifdef TERMINFO | |
d31eee5e | 3209 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3210 | "Cannot open terminfo database file", |
3211 | "Cannot open terminfo database file"); | |
b0347178 | 3212 | #else |
d31eee5e | 3213 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3214 | "Cannot open termcap database file", |
3215 | "Cannot open termcap database file"); | |
b0347178 KH |
3216 | #endif |
3217 | } | |
08a24c47 | 3218 | if (status == 0) |
b0347178 | 3219 | { |
d31eee5e | 3220 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3221 | "Terminal type %s is not defined", |
3222 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3223 | If that is not the actual type of terminal you have,\n\ |
3224 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3225 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3226 | #ifdef TERMINFO | |
3227 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3228 | #else |
84164a0d | 3229 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3230 | #endif |
84164a0d | 3231 | terminal_type); |
b0347178 | 3232 | } |
6b61353c KH |
3233 | |
3234 | #ifndef TERMINFO | |
d31eee5e | 3235 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3236 | abort (); |
d31eee5e | 3237 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3238 | #endif |
d31eee5e | 3239 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3240 | tty->TS_ins_line = tgetstr ("al", address); |
3241 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3242 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3243 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3244 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3245 | tty->TS_clr_line = tgetstr ("ce", address); | |
3246 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3247 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3248 | AbsPosition (tty) = tgetstr ("cm", address); | |
3249 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3250 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3251 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3252 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3253 | tty->TS_del_char = tgetstr ("dc", address); |
3254 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3255 | tty->TS_del_line = tgetstr ("dl", address); | |
3256 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3257 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3258 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3259 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3260 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3261 | tty->TS_ins_char = tgetstr ("ic", address); |
3262 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3263 | tty->TS_insert_mode = tgetstr ("im", address); | |
3264 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3265 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3266 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3267 | LastLine (tty) = tgetstr ("ll", address); |
3268 | Right (tty) = tgetstr ("nd", address); | |
3269 | Down (tty) = tgetstr ("do", address); | |
3270 | if (!Down (tty)) | |
3271 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3272 | if (tgetflag ("bs")) |
6548cf00 | 3273 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3274 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3275 | Left (tty) = tgetstr ("le", address); |
3276 | if (!Left (tty)) | |
3277 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3278 | tty->TS_pad_char = tgetstr ("pc", address); |
3279 | tty->TS_repeat = tgetstr ("rp", address); | |
3280 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3281 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3282 | tty->TS_standout_mode = tgetstr ("so", address); | |
3283 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3284 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3285 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3286 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3287 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3288 | tty->TS_visible_bell = tgetstr ("vb", address); |
3289 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3290 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3291 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3292 | tty->TS_set_window = tgetstr ("wi", address); | |
3293 | ||
3294 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3295 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3296 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3297 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3298 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3299 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3300 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3301 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3302 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3303 | |
6548cf00 KL |
3304 | MultiUp (tty) = tgetstr ("UP", address); |
3305 | MultiDown (tty) = tgetstr ("DO", address); | |
3306 | MultiLeft (tty) = tgetstr ("LE", address); | |
3307 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3308 | |
e7f90eab GM |
3309 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3310 | color because we can't switch back to the default foreground and | |
3311 | background. */ | |
fca177d4 KL |
3312 | tty->TS_orig_pair = tgetstr ("op", address); |
3313 | if (tty->TS_orig_pair) | |
a168702a | 3314 | { |
fca177d4 KL |
3315 | tty->TS_set_foreground = tgetstr ("AF", address); |
3316 | tty->TS_set_background = tgetstr ("AB", address); | |
3317 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3318 | { |
3319 | /* SVr4. */ | |
fca177d4 KL |
3320 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3321 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3322 | } |
177c0ea7 | 3323 | |
fca177d4 KL |
3324 | tty->TN_max_colors = tgetnum ("Co"); |
3325 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3326 | |
fca177d4 KL |
3327 | tty->TN_no_color_video = tgetnum ("NC"); |
3328 | if (tty->TN_no_color_video == -1) | |
3329 | tty->TN_no_color_video = 0; | |
a168702a | 3330 | } |
a168702a | 3331 | |
fca177d4 | 3332 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3333 | |
6548cf00 | 3334 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3335 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3336 | the former flag imply the latter. */ | |
6548cf00 | 3337 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3338 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3339 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3340 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3341 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3342 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3343 | tty->TF_standout_motion = tgetflag ("ms"); | |
3344 | tty->TF_underscore = tgetflag ("ul"); | |
3345 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3346 | |
dce4c2ac DN |
3347 | #else /* DOS_NT */ |
3348 | #ifdef WINDOWSNT | |
3349 | { | |
3350 | struct frame *f = XFRAME (selected_frame); | |
3351 | ||
3352 | initialize_w32_display (terminal); | |
3353 | ||
3354 | FrameRows (tty) = FRAME_LINES (f); | |
3355 | FrameCols (tty) = FRAME_COLS (f); | |
3356 | tty->specified_window = FRAME_LINES (f); | |
3357 | ||
3358 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3359 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3360 | terminal->char_ins_del_ok = 1; | |
3361 | baud_rate = 19200; | |
3362 | } | |
3363 | #else /* MSDOS */ | |
3364 | { | |
3365 | int height, width; | |
3366 | if (strcmp (terminal_type, "internal") == 0) | |
3367 | terminal->type = output_msdos_raw; | |
3368 | initialize_msdos_display (terminal); | |
3369 | ||
3370 | get_tty_size (fileno (tty->input), &width, &height); | |
3371 | FrameCols (tty) = width; | |
3372 | FrameRows (tty) = height; | |
3373 | terminal->char_ins_del_ok = 0; | |
3374 | init_baud_rate (fileno (tty->input)); | |
3375 | } | |
3376 | #endif /* MSDOS */ | |
3377 | tty->output = stdout; | |
3378 | tty->input = stdin; | |
3379 | /* The following two are inaccessible from w32console.c. */ | |
3380 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3381 | terminal->delete_terminal_hook = &delete_tty; | |
3382 | ||
3383 | tty->name = xstrdup (name); | |
3384 | terminal->name = xstrdup (name); | |
3385 | tty->type = xstrdup (terminal_type); | |
3386 | ||
3387 | add_keyboard_wait_descriptor (0); | |
3388 | ||
dce4c2ac DN |
3389 | tty->delete_in_insert_mode = 1; |
3390 | ||
3391 | UseTabs (tty) = 0; | |
3392 | terminal->scroll_region_ok = 0; | |
3393 | ||
3394 | /* Seems to insert lines when it's not supposed to, messing up the | |
3395 | display. In doing a trace, it didn't seem to be called much, so I | |
3396 | don't think we're losing anything by turning it off. */ | |
3397 | terminal->line_ins_del_ok = 0; | |
3398 | ||
3399 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3400 | #endif /* DOS_NT */ | |
3401 | ||
6ed8eeff KL |
3402 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3403 | init_kboard (terminal->kboard); | |
1344aad4 | 3404 | KVAR (terminal->kboard, Vwindow_system) = Qnil; |
6ed8eeff KL |
3405 | terminal->kboard->next_kboard = all_kboards; |
3406 | all_kboards = terminal->kboard; | |
3407 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3408 | /* Don't let the initial kboard remain current longer than necessary. |
3409 | That would cause problems if a file loaded on startup tries to | |
3410 | prompt in the mini-buffer. */ | |
3411 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3412 | current_kboard = terminal->kboard; |
84704c5c | 3413 | #ifndef DOS_NT |
6ed8eeff | 3414 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3415 | |
ff11dfa1 | 3416 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3417 | { |
3418 | int height, width; | |
0b0d3e0b | 3419 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3420 | FrameCols (tty) = width; |
3421 | FrameRows (tty) = height; | |
3b12ce12 RS |
3422 | } |
3423 | ||
0a125897 KL |
3424 | if (FrameCols (tty) <= 0) |
3425 | FrameCols (tty) = tgetnum ("co"); | |
3426 | if (FrameRows (tty) <= 0) | |
3427 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3428 | |
0a125897 | 3429 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3430 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3431 | "Screen size %dx%d is too small", |
3224dac1 | 3432 | "Screen size %dx%d is too small", |
0a125897 | 3433 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3434 | |
6548cf00 | 3435 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3436 | |
fca177d4 KL |
3437 | if (!tty->TS_bell) |
3438 | tty->TS_bell = "\07"; | |
08a24c47 | 3439 | |
fca177d4 KL |
3440 | if (!tty->TS_fwd_scroll) |
3441 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3442 | |
fca177d4 | 3443 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3444 | |
6548cf00 KL |
3445 | if (TabWidth (tty) < 0) |
3446 | TabWidth (tty) = 8; | |
177c0ea7 | 3447 | |
08a24c47 JB |
3448 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3449 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3450 | if (!tty->Wcm->cm_tab) |
3451 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3452 | */ |
3453 | ||
54800acb MB |
3454 | /* We don't support standout modes that use `magic cookies', so |
3455 | turn off any that do. */ | |
fca177d4 | 3456 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3457 | { |
fca177d4 KL |
3458 | tty->TS_standout_mode = 0; |
3459 | tty->TS_end_standout_mode = 0; | |
54800acb | 3460 | } |
fca177d4 | 3461 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3462 | { |
fca177d4 KL |
3463 | tty->TS_enter_underline_mode = 0; |
3464 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3465 | } |
3466 | ||
3467 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3468 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3469 | { |
fca177d4 KL |
3470 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3471 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3472 | } |
3473 | ||
afd359c4 RS |
3474 | /* If no `se' string, try using a `me' string instead. |
3475 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3476 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3477 | { |
e4bfb3b6 | 3478 | char *s = tgetstr ("me", address); |
afd359c4 | 3479 | if (s != 0) |
fca177d4 | 3480 | tty->TS_end_standout_mode = s; |
afd359c4 | 3481 | else |
fca177d4 | 3482 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3483 | } |
3484 | ||
fca177d4 | 3485 | if (tty->TF_teleray) |
08a24c47 | 3486 | { |
6548cf00 | 3487 | tty->Wcm->cm_tab = 0; |
54800acb | 3488 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3489 | tty->TS_standout_mode = 0; |
08a24c47 | 3490 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3491 | CR (tty) = 0; |
08a24c47 JB |
3492 | /* LF can't be trusted either -- can alter hpos */ |
3493 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3494 | Down (tty) = 0; |
08a24c47 JB |
3495 | } |
3496 | ||
3497 | /* Special handling for certain terminal types known to need it */ | |
3498 | ||
3499 | if (!strcmp (terminal_type, "supdup")) | |
3500 | { | |
6ed8eeff | 3501 | terminal->memory_below_frame = 1; |
6548cf00 | 3502 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3503 | } |
3504 | if (!strncmp (terminal_type, "c10", 3) | |
3505 | || !strcmp (terminal_type, "perq")) | |
3506 | { | |
3507 | /* Supply a makeshift :wi string. | |
3508 | This string is not valid in general since it works only | |
3509 | for windows starting at the upper left corner; | |
3510 | but that is all Emacs uses. | |
3511 | ||
ff11dfa1 | 3512 | This string works only if the frame is using |
08a24c47 JB |
3513 | the top of the video memory, because addressing is memory-relative. |
3514 | So first check the :ti string to see if that is true. | |
3515 | ||
3516 | It would be simpler if the :wi string could go in the termcap | |
3517 | entry, but it can't because it is not fully valid. | |
3518 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3519 | if (!tty->TS_set_window) |
08a24c47 | 3520 | { |
fbceeba2 PE |
3521 | const char *m = tty->TS_termcap_modes; |
3522 | while (*m && strcmp (m, "\033v ")) | |
3523 | m++; | |
3524 | if (*m) | |
fca177d4 | 3525 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3526 | } |
3527 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3528 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3529 | /* :ti string typically fails to have \E^G! in it */ |
3530 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3531 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3532 | strcat (area, "\033\007!"); |
fca177d4 | 3533 | tty->TS_termcap_modes = area; |
08a24c47 | 3534 | area += strlen (area) + 1; |
6548cf00 | 3535 | p = AbsPosition (tty); |
08a24c47 | 3536 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3537 | values above 96 correctly for the C100. */ |
08a24c47 | 3538 | while (*p) |
28d440ab KL |
3539 | { |
3540 | if (p[0] == '%' && p[1] == '+') | |
3541 | p[1] = 'C'; | |
3542 | p++; | |
3543 | } | |
08a24c47 JB |
3544 | } |
3545 | ||
0a125897 | 3546 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3547 | |
6548cf00 | 3548 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3549 | { |
d31eee5e | 3550 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3551 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3552 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3553 | It lacks the ability to position the cursor.\n\ |
3554 | If that is not the actual type of terminal you have,\n\ | |
3555 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3556 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3557 | # ifdef TERMINFO | |
3558 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3559 | # else /* TERMCAP */ |
84164a0d | 3560 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3561 | # endif /* TERMINFO */ |
3224dac1 | 3562 | terminal_type); |
fca177d4 | 3563 | } |
daf01701 | 3564 | |
0a125897 | 3565 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3566 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3567 | "Could not determine the frame size", |
3568 | "Could not determine the frame size"); | |
08a24c47 | 3569 | |
fca177d4 KL |
3570 | tty->delete_in_insert_mode |
3571 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3572 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3573 | |
fca177d4 KL |
3574 | tty->se_is_so = (tty->TS_standout_mode |
3575 | && tty->TS_end_standout_mode | |
3576 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3577 | |
0b0d3e0b | 3578 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3579 | |
6ed8eeff | 3580 | terminal->scroll_region_ok |
6548cf00 | 3581 | = (tty->Wcm->cm_abs |
fca177d4 | 3582 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3583 | |
6ed8eeff | 3584 | terminal->line_ins_del_ok |
fca177d4 KL |
3585 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3586 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3587 | || (terminal->scroll_region_ok |
fca177d4 | 3588 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3589 | |
6ed8eeff | 3590 | terminal->char_ins_del_ok |
fca177d4 KL |
3591 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3592 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3593 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3594 | |
6ed8eeff | 3595 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3596 | |
0b0d3e0b | 3597 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3598 | |
84704c5c | 3599 | #endif /* not DOS_NT */ |
635e3b29 | 3600 | |
0a125897 KL |
3601 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3602 | init_sys_modes (tty); | |
daf01701 | 3603 | |
6ed8eeff | 3604 | return terminal; |
08a24c47 JB |
3605 | } |
3606 | ||
b3ffc17c DN |
3607 | |
3608 | static void | |
3609 | vfatal (const char *str, va_list ap) | |
3610 | { | |
3611 | fprintf (stderr, "emacs: "); | |
3612 | vfprintf (stderr, str, ap); | |
3613 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3614 | fprintf (stderr, "\n"); | |
3615 | va_end (ap); | |
3616 | fflush (stderr); | |
3617 | exit (1); | |
3618 | } | |
3619 | ||
3620 | ||
a4c6993d | 3621 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3622 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3623 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3624 | |
3224dac1 | 3625 | static void |
b3ffc17c DN |
3626 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3627 | const char *str1, const char *str2, ...) | |
3224dac1 | 3628 | { |
b3ffc17c DN |
3629 | va_list ap; |
3630 | va_start (ap, str2); | |
6ed8eeff KL |
3631 | if (terminal) |
3632 | delete_tty (terminal); | |
f4d953fc | 3633 | |
3224dac1 | 3634 | if (must_succeed) |
b3ffc17c | 3635 | vfatal (str2, ap); |
3224dac1 | 3636 | else |
b3ffc17c | 3637 | verror (str1, ap); |
3224dac1 | 3638 | |
b3ffc17c | 3639 | va_end (ap); |
3224dac1 | 3640 | abort (); |
08a24c47 JB |
3641 | } |
3642 | ||
dfcf069d | 3643 | void |
7c401d15 | 3644 | fatal (const char *str, ...) |
08a24c47 | 3645 | { |
7c401d15 DN |
3646 | va_list ap; |
3647 | va_start (ap, str); | |
b3ffc17c | 3648 | vfatal (str, ap); |
7c401d15 | 3649 | va_end (ap); |
08a24c47 | 3650 | } |
07c57952 | 3651 | |
819b8f00 KL |
3652 | \f |
3653 | ||
6ed8eeff | 3654 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3655 | |
ed8dad6b | 3656 | static void |
6ed8eeff | 3657 | delete_tty (struct terminal *terminal) |
072d84a6 | 3658 | { |
428a555e | 3659 | struct tty_display_info *tty; |
f4d953fc | 3660 | |
e2749141 | 3661 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3662 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3663 | if (!terminal->name) |
0a125897 | 3664 | return; |
fca177d4 | 3665 | |
6ed8eeff | 3666 | if (terminal->type != output_termcap) |
428a555e KL |
3667 | abort (); |
3668 | ||
6ed8eeff | 3669 | tty = terminal->display_info.tty; |
f4d953fc | 3670 | |
fca177d4 KL |
3671 | if (tty == tty_list) |
3672 | tty_list = tty->next; | |
3673 | else | |
3674 | { | |
28d7d09f | 3675 | struct tty_display_info *p; |
fca177d4 KL |
3676 | for (p = tty_list; p && p->next != tty; p = p->next) |
3677 | ; | |
3678 | ||
3679 | if (! p) | |
3680 | /* This should not happen. */ | |
3681 | abort (); | |
3682 | ||
0a125897 KL |
3683 | p->next = tty->next; |
3684 | tty->next = 0; | |
fca177d4 KL |
3685 | } |
3686 | ||
7e59217d | 3687 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3688 | before delete_terminal. */ |
04c3243c | 3689 | reset_sys_modes (tty); |
fca177d4 | 3690 | |
6ed8eeff | 3691 | delete_terminal (terminal); |
3224dac1 | 3692 | |
70fdbb46 JM |
3693 | xfree (tty->name); |
3694 | xfree (tty->type); | |
daf01701 | 3695 | |
fca177d4 | 3696 | if (tty->input) |
819b8f00 KL |
3697 | { |
3698 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3699 | if (tty->input != stdin) | |
3700 | fclose (tty->input); | |
3701 | } | |
3702 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3703 | fclose (tty->output); |
3704 | if (tty->termscript) | |
3705 | fclose (tty->termscript); | |
daf01701 | 3706 | |
70fdbb46 JM |
3707 | xfree (tty->old_tty); |
3708 | xfree (tty->Wcm); | |
5f445726 JM |
3709 | xfree (tty->termcap_strings_buffer); |
3710 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3711 | |
72af86bd | 3712 | memset (tty, 0, sizeof (struct tty_display_info)); |
fca177d4 | 3713 | xfree (tty); |
fca177d4 KL |
3714 | } |
3715 | ||
428a555e KL |
3716 | \f |
3717 | ||
28d7d09f | 3718 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3719 | Called by the Fgarbage_collector. */ |
da8e1115 | 3720 | |
fca177d4 | 3721 | void |
ed8dad6b | 3722 | mark_ttys (void) |
fca177d4 | 3723 | { |
28d7d09f | 3724 | struct tty_display_info *tty; |
0c72d684 | 3725 | |
819b8f00 | 3726 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3727 | mark_object (tty->top_frame); |
072d84a6 RS |
3728 | } |
3729 | ||
428a555e KL |
3730 | \f |
3731 | ||
dfcf069d | 3732 | void |
d3da34e0 | 3733 | syms_of_term (void) |
07c57952 | 3734 | { |
29208e82 | 3735 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3736 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3737 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3738 | #ifdef TERMINFO |
3739 | system_uses_terminfo = 1; | |
3740 | #else | |
3741 | system_uses_terminfo = 0; | |
3742 | #endif | |
c291d9ef | 3743 | |
29208e82 | 3744 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e4019195 | 3745 | doc: /* Functions to be run after suspending a tty. |
fdc496e7 | 3746 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3747 | See `suspend-tty'. */); |
e4019195 | 3748 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3749 | |
3750 | ||
29208e82 | 3751 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e4019195 | 3752 | doc: /* Functions to be run after resuming a tty. |
fdc496e7 | 3753 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3754 | See `resume-tty'. */); |
e4019195 | 3755 | Vresume_tty_functions = Qnil; |
a168702a | 3756 | |
29208e82 | 3757 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3758 | doc: /* Non-nil means to make the cursor very visible. |
3759 | This only has an effect when running in a text terminal. | |
3760 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3761 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3762 | visible_cursor = 1; | |
3763 | ||
a168702a | 3764 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3765 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3766 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3767 | defsubr (&Stty_type); |
3768 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3769 | defsubr (&Ssuspend_tty); |
3770 | defsubr (&Sresume_tty); | |
7e5a23bd | 3771 | #ifdef HAVE_GPM |
6178ce5e SM |
3772 | defsubr (&Sgpm_mouse_start); |
3773 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3774 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3775 | |
84704c5c | 3776 | #ifndef DOS_NT |
3a7c5d40 CY |
3777 | default_orig_pair = NULL; |
3778 | default_set_foreground = NULL; | |
3779 | default_set_background = NULL; | |
84704c5c | 3780 | #endif /* !DOS_NT */ |
d31eee5e CY |
3781 | |
3782 | encode_terminal_src = NULL; | |
3783 | encode_terminal_dst = NULL; | |
07c57952 | 3784 | } |