Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
acaf905b | 2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2012 |
8cabe764 | 3 | Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
08a24c47 JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 19 | |
d284f58f | 20 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 21 | |
565620a5 | 22 | #include <config.h> |
08a24c47 | 23 | #include <stdio.h> |
59b3194c | 24 | #include <errno.h> |
28d440ab | 25 | #include <sys/file.h> |
d35af63c | 26 | #include <sys/time.h> |
1ec5dc77 | 27 | #include <unistd.h> |
0c72d684 | 28 | |
9628b887 | 29 | #include "lisp.h" |
08a24c47 | 30 | #include "termchar.h" |
50938595 | 31 | #include "tparam.h" |
9332ea03 | 32 | #include "character.h" |
e5560ff7 | 33 | #include "buffer.h" |
a4decb7f KH |
34 | #include "charset.h" |
35 | #include "coding.h" | |
4c12d738 | 36 | #include "composite.h" |
2538fae4 | 37 | #include "keyboard.h" |
ff11dfa1 | 38 | #include "frame.h" |
08a24c47 JB |
39 | #include "disptab.h" |
40 | #include "termhooks.h" | |
dfcf069d | 41 | #include "dispextern.h" |
a168702a | 42 | #include "window.h" |
8feddab4 | 43 | #include "keymap.h" |
1a935bfd | 44 | #include "blockinput.h" |
03a1d6bd KL |
45 | #include "syssignal.h" |
46 | #include "systty.h" | |
c9612b8e | 47 | #include "intervals.h" |
84704c5c EZ |
48 | #ifdef MSDOS |
49 | #include "msdos.h" | |
50 | static int been_here = -1; | |
51 | #endif | |
a168702a | 52 | |
eccec691 | 53 | #include "cm.h" |
dfcf069d AS |
54 | #ifdef HAVE_X_WINDOWS |
55 | #include "xterm.h" | |
56 | #endif | |
c8951b18 | 57 | |
28d440ab KL |
58 | #ifndef O_RDWR |
59 | #define O_RDWR 2 | |
60 | #endif | |
6b61353c | 61 | |
0c72d684 KL |
62 | #ifndef O_NOCTTY |
63 | #define O_NOCTTY 0 | |
64 | #endif | |
6b61353c | 65 | |
78048085 EZ |
66 | /* The name of the default console device. */ |
67 | #ifdef WINDOWSNT | |
68 | #define DEV_TTY "CONOUT$" | |
a68089e4 | 69 | #include "w32term.h" |
78048085 EZ |
70 | #else |
71 | #define DEV_TTY "/dev/tty" | |
72 | #endif | |
a168702a | 73 | |
f57e2426 J |
74 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
75 | static void turn_on_face (struct frame *, int face_id); | |
76 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 77 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
78 | static void tty_show_cursor (struct tty_display_info *); |
79 | static void tty_hide_cursor (struct tty_display_info *); | |
80 | static void tty_background_highlight (struct tty_display_info *tty); | |
64520e5c | 81 | static struct terminal *get_tty_terminal (Lisp_Object, int); |
f57e2426 J |
82 | static void clear_tty_hooks (struct terminal *terminal); |
83 | static void set_tty_hooks (struct terminal *terminal); | |
84 | static void dissociate_if_controlling_tty (int fd); | |
85 | static void delete_tty (struct terminal *); | |
845ca893 PE |
86 | static _Noreturn void maybe_fatal (int must_succeed, struct terminal *terminal, |
87 | const char *str1, const char *str2, ...) | |
88 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); | |
89 | static _Noreturn void vfatal (const char *str, va_list ap) | |
90 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 91 | |
a168702a | 92 | |
6548cf00 KL |
93 | #define OUTPUT(tty, a) \ |
94 | emacs_tputs ((tty), a, \ | |
95 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
96 | - curY (tty)), \ | |
97 | cmputc) | |
98 | ||
28d440ab KL |
99 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
100 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 101 | |
28d440ab | 102 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
103 | do { \ |
104 | if (a) \ | |
b286858c | 105 | OUTPUT (tty, a); \ |
6548cf00 | 106 | } while (0) |
177c0ea7 | 107 | |
28d440ab | 108 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 109 | |
f46c2aff | 110 | /* Display space properties */ |
08a24c47 | 111 | |
428a555e | 112 | /* Chain of all tty device parameters. */ |
28d7d09f | 113 | struct tty_display_info *tty_list; |
08a24c47 | 114 | |
4e6ba4a4 GM |
115 | /* Meaning of bits in no_color_video. Each bit set means that the |
116 | corresponding attribute cannot be combined with colors. */ | |
117 | ||
118 | enum no_color_bit | |
119 | { | |
120 | NC_STANDOUT = 1 << 0, | |
121 | NC_UNDERLINE = 1 << 1, | |
122 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 123 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
124 | NC_DIM = 1 << 4, |
125 | NC_BOLD = 1 << 5, | |
126 | NC_INVIS = 1 << 6, | |
cd4eb164 | 127 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
128 | }; |
129 | ||
08a24c47 JB |
130 | /* internal state */ |
131 | ||
8dd0c7cb | 132 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 133 | |
64520e5c | 134 | static int max_frame_cols; |
a168702a | 135 | |
08a24c47 | 136 | \f |
cb28b9c2 | 137 | |
7e5a23bd | 138 | #ifdef HAVE_GPM |
e882229c | 139 | #include <sys/fcntl.h> |
e882229c | 140 | |
71f44e7a SM |
141 | /* The device for which we have enabled gpm support (or NULL). */ |
142 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 143 | |
cf482c50 | 144 | /* Last recorded mouse coordinates. */ |
e882229c | 145 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 146 | #endif /* HAVE_GPM */ |
e882229c | 147 | |
da8e1115 | 148 | /* Ring the bell on a tty. */ |
c291d9ef | 149 | |
ed8dad6b | 150 | static void |
385ed61f | 151 | tty_ring_bell (struct frame *f) |
3224dac1 | 152 | { |
3224dac1 | 153 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 154 | |
b6660415 KL |
155 | if (tty->output) |
156 | { | |
157 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
158 | ? tty->TS_visible_bell | |
159 | : tty->TS_bell)); | |
160 | fflush (tty->output); | |
08a24c47 | 161 | } |
08a24c47 JB |
162 | } |
163 | ||
da8e1115 KL |
164 | /* Set up termcap modes for Emacs. */ |
165 | ||
64520e5c | 166 | static void |
6ed8eeff | 167 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 168 | { |
6ed8eeff | 169 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 170 | |
0b0d3e0b | 171 | if (tty->output) |
08a24c47 | 172 | { |
fbf34973 KL |
173 | if (tty->TS_termcap_modes) |
174 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 175 | else |
fbf34973 KL |
176 | { |
177 | /* Output enough newlines to scroll all the old screen contents | |
178 | off the screen, so it won't be overwritten and lost. */ | |
179 | int i; | |
a3c07f68 | 180 | current_tty = tty; |
fbf34973 | 181 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 182 | cmputc ('\n'); |
fbf34973 KL |
183 | } |
184 | ||
b58cb614 | 185 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
186 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
187 | losecursor (tty); | |
2f98e6e3 | 188 | fflush (tty->output); |
08a24c47 | 189 | } |
08a24c47 JB |
190 | } |
191 | ||
da8e1115 KL |
192 | /* Reset termcap modes before exiting Emacs. */ |
193 | ||
64520e5c | 194 | static void |
6ed8eeff | 195 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 196 | { |
6ed8eeff | 197 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
198 | |
199 | if (tty->output) | |
08a24c47 | 200 | { |
ed8dad6b KL |
201 | tty_turn_off_highlight (tty); |
202 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
203 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
204 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
205 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
206 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 207 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 208 | current_tty = tty; |
d284f58f | 209 | cmputc ('\r'); |
2f98e6e3 | 210 | fflush (tty->output); |
08a24c47 | 211 | } |
08a24c47 JB |
212 | } |
213 | ||
6ed8eeff | 214 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 215 | |
ed8dad6b | 216 | static void |
3224dac1 | 217 | tty_update_end (struct frame *f) |
08a24c47 | 218 | { |
3224dac1 | 219 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 220 | |
3224dac1 KL |
221 | if (!XWINDOW (selected_window)->cursor_off_p) |
222 | tty_show_cursor (tty); | |
ed8dad6b KL |
223 | tty_turn_off_insert (tty); |
224 | tty_background_highlight (tty); | |
08a24c47 JB |
225 | } |
226 | ||
da8e1115 KL |
227 | /* The implementation of set_terminal_window for termcap frames. */ |
228 | ||
ed8dad6b | 229 | static void |
385ed61f | 230 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 231 | { |
3224dac1 KL |
232 | struct tty_display_info *tty = FRAME_TTY (f); |
233 | ||
234 | tty->specified_window = size ? size : FRAME_LINES (f); | |
235 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 236 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
237 | } |
238 | ||
ed8dad6b KL |
239 | static void |
240 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
241 | { |
242 | char *buf; | |
28d7d09f | 243 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 244 | |
fca177d4 | 245 | if (tty->TS_set_scroll_region) |
50938595 | 246 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
247 | else if (tty->TS_set_scroll_region_1) |
248 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
249 | FRAME_LINES (f), start, |
250 | FRAME_LINES (f) - stop, | |
251 | FRAME_LINES (f)); | |
08a24c47 | 252 | else |
fca177d4 | 253 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 254 | |
6548cf00 | 255 | OUTPUT (tty, buf); |
9ac0d9e0 | 256 | xfree (buf); |
6548cf00 | 257 | losecursor (tty); |
08a24c47 | 258 | } |
d284f58f | 259 | |
08a24c47 | 260 | \f |
d284f58f | 261 | static void |
ed8dad6b | 262 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 263 | { |
fca177d4 KL |
264 | if (!tty->insert_mode) |
265 | OUTPUT (tty, tty->TS_insert_mode); | |
266 | tty->insert_mode = 1; | |
08a24c47 JB |
267 | } |
268 | ||
dfcf069d | 269 | void |
ed8dad6b | 270 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 271 | { |
fca177d4 KL |
272 | if (tty->insert_mode) |
273 | OUTPUT (tty, tty->TS_end_insert_mode); | |
274 | tty->insert_mode = 0; | |
08a24c47 JB |
275 | } |
276 | \f | |
54800acb | 277 | /* Handle highlighting. */ |
08a24c47 | 278 | |
64520e5c | 279 | static void |
ed8dad6b | 280 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 281 | { |
fca177d4 KL |
282 | if (tty->standout_mode) |
283 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
284 | tty->standout_mode = 0; | |
08a24c47 JB |
285 | } |
286 | ||
d284f58f | 287 | static void |
ed8dad6b | 288 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 289 | { |
fca177d4 KL |
290 | if (!tty->standout_mode) |
291 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
292 | tty->standout_mode = 1; | |
08a24c47 JB |
293 | } |
294 | ||
86a7d192 | 295 | static void |
ed8dad6b | 296 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 297 | { |
fca177d4 | 298 | if (tty->standout_mode) |
ed8dad6b | 299 | tty_turn_off_highlight (tty); |
86a7d192 | 300 | else |
ed8dad6b | 301 | tty_turn_on_highlight (tty); |
86a7d192 GM |
302 | } |
303 | ||
a168702a GM |
304 | |
305 | /* Make cursor invisible. */ | |
306 | ||
307 | static void | |
28d7d09f | 308 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 309 | { |
fca177d4 | 310 | if (tty->cursor_hidden == 0) |
d284f58f | 311 | { |
fca177d4 KL |
312 | tty->cursor_hidden = 1; |
313 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 314 | } |
a168702a GM |
315 | } |
316 | ||
317 | ||
318 | /* Ensure that cursor is visible. */ | |
319 | ||
320 | static void | |
28d7d09f | 321 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 322 | { |
fca177d4 | 323 | if (tty->cursor_hidden) |
d284f58f | 324 | { |
fca177d4 KL |
325 | tty->cursor_hidden = 0; |
326 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 327 | if (visible_cursor) |
b58cb614 | 328 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 329 | } |
a168702a GM |
330 | } |
331 | ||
332 | ||
08a24c47 JB |
333 | /* Set standout mode to the state it should be in for |
334 | empty space inside windows. What this is, | |
335 | depends on the user option inverse-video. */ | |
336 | ||
ed8dad6b KL |
337 | static void |
338 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 339 | { |
08a24c47 | 340 | if (inverse_video) |
ed8dad6b | 341 | tty_turn_on_highlight (tty); |
08a24c47 | 342 | else |
ed8dad6b | 343 | tty_turn_off_highlight (tty); |
08a24c47 JB |
344 | } |
345 | ||
346 | /* Set standout mode to the mode specified for the text to be output. */ | |
347 | ||
dfcf069d | 348 | static void |
ed8dad6b | 349 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 350 | { |
8ede64a5 | 351 | if (inverse_video) |
ed8dad6b | 352 | tty_turn_on_highlight (tty); |
8ede64a5 | 353 | else |
ed8dad6b | 354 | tty_turn_off_highlight (tty); |
08a24c47 JB |
355 | } |
356 | \f | |
357 | ||
a168702a GM |
358 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
359 | frame-relative coordinates. */ | |
08a24c47 | 360 | |
ed8dad6b | 361 | static void |
385ed61f | 362 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 363 | { |
3224dac1 | 364 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 365 | |
36cae867 KH |
366 | /* Detect the case where we are called from reset_sys_modes |
367 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 368 | if (! tty->costs_set) |
36cae867 KH |
369 | return; |
370 | ||
6548cf00 KL |
371 | if (curY (tty) == vpos |
372 | && curX (tty) == hpos) | |
08a24c47 | 373 | return; |
fca177d4 | 374 | if (!tty->TF_standout_motion) |
ed8dad6b | 375 | tty_background_highlight (tty); |
fca177d4 | 376 | if (!tty->TF_insmode_motion) |
ed8dad6b | 377 | tty_turn_off_insert (tty); |
6548cf00 | 378 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
379 | } |
380 | ||
381 | /* Similar but don't take any account of the wasted characters. */ | |
382 | ||
ed8dad6b | 383 | static void |
385ed61f | 384 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 385 | { |
3224dac1 KL |
386 | struct tty_display_info *tty = FRAME_TTY (f); |
387 | ||
6548cf00 KL |
388 | if (curY (tty) == row |
389 | && curX (tty) == col) | |
08a24c47 | 390 | return; |
fca177d4 | 391 | if (!tty->TF_standout_motion) |
ed8dad6b | 392 | tty_background_highlight (tty); |
fca177d4 | 393 | if (!tty->TF_insmode_motion) |
ed8dad6b | 394 | tty_turn_off_insert (tty); |
6548cf00 | 395 | cmgoto (tty, row, col); |
08a24c47 JB |
396 | } |
397 | \f | |
398 | /* Erase operations */ | |
399 | ||
da8e1115 KL |
400 | /* Clear from cursor to end of frame on a termcap device. */ |
401 | ||
ed8dad6b | 402 | static void |
385ed61f | 403 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
404 | { |
405 | register int i; | |
3224dac1 | 406 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 407 | |
fca177d4 | 408 | if (tty->TS_clr_to_bottom) |
08a24c47 | 409 | { |
ed8dad6b | 410 | tty_background_highlight (tty); |
fca177d4 | 411 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
412 | } |
413 | else | |
414 | { | |
6548cf00 | 415 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 416 | { |
385ed61f KL |
417 | cursor_to (f, i, 0); |
418 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
419 | } |
420 | } | |
421 | } | |
422 | ||
da8e1115 | 423 | /* Clear an entire termcap frame. */ |
08a24c47 | 424 | |
ed8dad6b | 425 | static void |
385ed61f | 426 | tty_clear_frame (struct frame *f) |
08a24c47 | 427 | { |
3224dac1 | 428 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 429 | |
fca177d4 | 430 | if (tty->TS_clr_frame) |
08a24c47 | 431 | { |
ed8dad6b | 432 | tty_background_highlight (tty); |
fca177d4 | 433 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 434 | cmat (tty, 0, 0); |
08a24c47 JB |
435 | } |
436 | else | |
437 | { | |
385ed61f KL |
438 | cursor_to (f, 0, 0); |
439 | clear_to_end (f); | |
08a24c47 JB |
440 | } |
441 | } | |
442 | ||
da8e1115 | 443 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
444 | |
445 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
446 | ||
ed8dad6b | 447 | static void |
385ed61f | 448 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
449 | { |
450 | register int i; | |
3224dac1 | 451 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 452 | |
36cae867 KH |
453 | /* Detect the case where we are called from reset_sys_modes |
454 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 455 | if (! tty->costs_set) |
36cae867 KH |
456 | return; |
457 | ||
6548cf00 | 458 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 459 | return; |
ed8dad6b | 460 | tty_background_highlight (tty); |
fca177d4 | 461 | if (tty->TS_clr_line) |
08a24c47 | 462 | { |
fca177d4 | 463 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
464 | } |
465 | else | |
466 | { /* have to do it the hard way */ | |
ed8dad6b | 467 | tty_turn_off_insert (tty); |
08a24c47 | 468 | |
a168702a | 469 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 470 | if (AutoWrap (tty) |
0a125897 KL |
471 | && curY (tty) == FrameRows (tty) - 1 |
472 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
473 | first_unused_hpos--; |
474 | ||
6548cf00 | 475 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 476 | { |
0b0d3e0b KL |
477 | if (tty->termscript) |
478 | fputc (' ', tty->termscript); | |
479 | fputc (' ', tty->output); | |
08a24c47 | 480 | } |
6548cf00 | 481 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
482 | } |
483 | } | |
484 | \f | |
288d5132 KH |
485 | /* Buffers to store the source and result of code conversion for terminal. */ |
486 | static unsigned char *encode_terminal_src; | |
487 | static unsigned char *encode_terminal_dst; | |
488 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
489 | static ptrdiff_t encode_terminal_src_size; |
490 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
491 | |
492 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
493 | Set CODING->produced to the byte-length of the resulting byte | |
494 | sequence, and return a pointer to that byte sequence. */ | |
495 | ||
7ef4b50c | 496 | unsigned char * |
d3da34e0 | 497 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 498 | { |
feef4f84 | 499 | struct glyph *src_end = src + src_len; |
288d5132 | 500 | unsigned char *buf; |
fee31f82 PE |
501 | ptrdiff_t nchars, nbytes, required; |
502 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 503 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 504 | Lisp_Object charset_list; |
c5a518df | 505 | |
288d5132 KH |
506 | /* Allocate sufficient size of buffer to store all characters in |
507 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
508 | Vglyph_table contains a string or a composite glyph is |
509 | encountered. */ | |
fee31f82 PE |
510 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
511 | memory_full (SIZE_MAX); | |
512 | required = src_len; | |
513 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
514 | if (encode_terminal_src_size < required) |
515 | { | |
fee31f82 | 516 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
517 | encode_terminal_src_size = required; |
518 | } | |
6589fd67 | 519 | |
288d5132 | 520 | charset_list = coding_charset_list (coding); |
a4decb7f | 521 | |
288d5132 KH |
522 | buf = encode_terminal_src; |
523 | nchars = 0; | |
524 | while (src < src_end) | |
a4decb7f | 525 | { |
4c12d738 KH |
526 | if (src->type == COMPOSITE_GLYPH) |
527 | { | |
c2ed9c8b PE |
528 | struct composition *cmp IF_LINT (= NULL); |
529 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
530 | int i; |
531 | ||
532 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
533 | if (src->u.cmp.automatic) |
534 | { | |
535 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 536 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
537 | } |
538 | else | |
539 | { | |
540 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
541 | required = cmp->glyph_len; |
542 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 543 | } |
4c12d738 | 544 | |
fee31f82 | 545 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 546 | { |
0065d054 PE |
547 | encode_terminal_src = |
548 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
549 | required - (encode_terminal_src_size - nbytes), | |
550 | -1, 1); | |
4c12d738 KH |
551 | buf = encode_terminal_src + nbytes; |
552 | } | |
553 | ||
75a10786 | 554 | if (src->u.cmp.automatic) |
4be9765d | 555 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
556 | { |
557 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
558 | int c = LGLYPH_CHAR (g); | |
559 | ||
560 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 561 | c = '?'; |
75a10786 KH |
562 | buf += CHAR_STRING (c, buf); |
563 | nchars++; | |
564 | } | |
565 | else | |
566 | for (i = 0; i < cmp->glyph_len; i++) | |
567 | { | |
568 | int c = COMPOSITION_GLYPH (cmp, i); | |
569 | ||
bd01620e EZ |
570 | /* TAB in a composition means display glyphs with |
571 | padding space on the left or right. */ | |
d0984aff KH |
572 | if (c == '\t') |
573 | continue; | |
574 | if (char_charset (c, charset_list, NULL)) | |
575 | { | |
576 | if (CHAR_WIDTH (c) == 0 | |
577 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
578 | /* Should be left-padded */ | |
579 | { | |
580 | buf += CHAR_STRING (' ', buf); | |
581 | nchars++; | |
582 | } | |
583 | } | |
584 | else | |
585 | c = '?'; | |
75a10786 KH |
586 | buf += CHAR_STRING (c, buf); |
587 | nchars++; | |
588 | } | |
4c12d738 | 589 | } |
a4decb7f | 590 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 591 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 592 | { |
f4d953fc | 593 | GLYPH g; |
c2ed9c8b | 594 | int c IF_LINT (= 0); |
288d5132 KH |
595 | Lisp_Object string; |
596 | ||
4ae0a2c0 | 597 | string = Qnil; |
f4d953fc | 598 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 599 | |
f4d953fc | 600 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 601 | { |
f185a758 | 602 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
603 | c = src->u.ch; |
604 | } | |
32de38e4 | 605 | else |
a4decb7f | 606 | { |
32de38e4 | 607 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
608 | so process any alias before testing for simpleness. */ |
609 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
610 | |
611 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
612 | /* We set the multi-byte form of a character in G |
613 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 614 | c = GLYPH_CHAR (g); |
32de38e4 | 615 | else |
4ae0a2c0 | 616 | /* We have a string in Vglyph_table. */ |
f4d953fc | 617 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 618 | } |
177c0ea7 | 619 | |
4ae0a2c0 | 620 | if (NILP (string)) |
c42869c4 | 621 | { |
4c12d738 | 622 | nbytes = buf - encode_terminal_src; |
fee31f82 | 623 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 624 | { |
0065d054 PE |
625 | encode_terminal_src = |
626 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
627 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
628 | buf = encode_terminal_src + nbytes; |
629 | } | |
d419e1d9 KH |
630 | if (CHAR_BYTE8_P (c) |
631 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 632 | { |
288d5132 KH |
633 | /* Store the multibyte form of C at BUF. */ |
634 | buf += CHAR_STRING (c, buf); | |
635 | nchars++; | |
c5a518df KH |
636 | } |
637 | else | |
638 | { | |
288d5132 KH |
639 | /* C is not encodable. */ |
640 | *buf++ = '?'; | |
c5a518df | 641 | nchars++; |
288d5132 KH |
642 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
643 | { | |
644 | *buf++ = '?'; | |
645 | nchars++; | |
646 | src++; | |
647 | } | |
c5a518df | 648 | } |
4ae0a2c0 KH |
649 | } |
650 | else | |
651 | { | |
288d5132 KH |
652 | if (! STRING_MULTIBYTE (string)) |
653 | string = string_to_multibyte (string); | |
654 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 655 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 656 | { |
0065d054 PE |
657 | encode_terminal_src = |
658 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
659 | (SBYTES (string) | |
660 | - (encode_terminal_src_size - nbytes)), | |
661 | -1, 1); | |
288d5132 | 662 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 663 | } |
72af86bd | 664 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
665 | buf += SBYTES (string); |
666 | nchars += SCHARS (string); | |
c42869c4 | 667 | } |
a4decb7f | 668 | } |
288d5132 KH |
669 | src++; |
670 | } | |
671 | ||
672 | if (nchars == 0) | |
673 | { | |
674 | coding->produced = 0; | |
675 | return NULL; | |
a4decb7f | 676 | } |
177c0ea7 | 677 | |
288d5132 KH |
678 | nbytes = buf - encode_terminal_src; |
679 | coding->source = encode_terminal_src; | |
680 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 681 | { |
fee31f82 PE |
682 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
683 | encode_terminal_src_size); | |
288d5132 | 684 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 685 | } |
288d5132 KH |
686 | coding->destination = encode_terminal_dst; |
687 | coding->dst_bytes = encode_terminal_dst_size; | |
688 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 689 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
690 | encode_terminal_dst = coding->destination; |
691 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 692 | |
288d5132 | 693 | return (encode_terminal_dst); |
a4decb7f KH |
694 | } |
695 | ||
08a24c47 | 696 | |
c73bd236 | 697 | |
da8e1115 KL |
698 | /* An implementation of write_glyphs for termcap frames. */ |
699 | ||
ed8dad6b | 700 | static void |
385ed61f | 701 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 702 | { |
288d5132 KH |
703 | unsigned char *conversion_buffer; |
704 | struct coding_system *coding; | |
5c5cdd39 | 705 | size_t n, stringlen; |
08a24c47 | 706 | |
3224dac1 | 707 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 708 | |
ed8dad6b | 709 | tty_turn_off_insert (tty); |
fca177d4 | 710 | tty_hide_cursor (tty); |
08a24c47 | 711 | |
a168702a | 712 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 713 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 714 | |
6548cf00 KL |
715 | if (AutoWrap (tty) |
716 | && curY (tty) + 1 == FRAME_LINES (f) | |
717 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 718 | len --; |
a4decb7f KH |
719 | if (len <= 0) |
720 | return; | |
08a24c47 | 721 | |
6548cf00 | 722 | cmplus (tty, len); |
177c0ea7 | 723 | |
af645abf KH |
724 | /* If terminal_coding does any conversion, use it, otherwise use |
725 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
726 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
727 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
728 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
729 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
730 | the tail. */ | |
af645abf | 731 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 732 | |
5c5cdd39 | 733 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 734 | { |
a168702a | 735 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 736 | int face_id = string->face_id; |
177c0ea7 | 737 | |
5c5cdd39 | 738 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 739 | if (string[n].face_id != face_id) |
a168702a GM |
740 | break; |
741 | ||
742 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 743 | tty_highlight_if_desired (tty); |
a168702a GM |
744 | turn_on_face (f, face_id); |
745 | ||
5c5cdd39 | 746 | if (n == stringlen) |
288d5132 KH |
747 | /* This is the last run. */ |
748 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
749 | conversion_buffer = encode_terminal_code (string, n, coding); | |
750 | if (coding->produced > 0) | |
08a24c47 | 751 | { |
4d7e6e51 | 752 | block_input (); |
fad2f685 KL |
753 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
754 | if (ferror (tty->output)) | |
755 | clearerr (tty->output); | |
756 | if (tty->termscript) | |
757 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 758 | unblock_input (); |
08a24c47 | 759 | } |
288d5132 | 760 | string += n; |
a168702a GM |
761 | |
762 | /* Turn appearance modes off. */ | |
763 | turn_off_face (f, face_id); | |
ed8dad6b | 764 | tty_turn_off_highlight (tty); |
a4decb7f | 765 | } |
177c0ea7 | 766 | |
6548cf00 | 767 | cmcheckmagic (tty); |
08a24c47 JB |
768 | } |
769 | ||
b870aa61 SM |
770 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
771 | ||
7be1c21a | 772 | static void |
d3da34e0 JB |
773 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
774 | register int len, register int face_id) | |
e882229c | 775 | { |
e882229c NR |
776 | unsigned char *conversion_buffer; |
777 | struct coding_system *coding; | |
778 | ||
7be1c21a MB |
779 | struct tty_display_info *tty = FRAME_TTY (f); |
780 | ||
781 | tty_turn_off_insert (tty); | |
782 | tty_hide_cursor (tty); | |
e882229c NR |
783 | |
784 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
785 | since that would scroll the whole frame on some terminals. */ | |
786 | ||
7be1c21a MB |
787 | if (AutoWrap (tty) |
788 | && curY (tty) + 1 == FRAME_LINES (f) | |
789 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
790 | len --; |
791 | if (len <= 0) | |
792 | return; | |
793 | ||
7be1c21a | 794 | cmplus (tty, len); |
e882229c NR |
795 | |
796 | /* If terminal_coding does any conversion, use it, otherwise use | |
797 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
798 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
799 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
800 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
801 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
802 | the tail. */ | |
803 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
804 | ||
e882229c | 805 | /* Turn appearance modes of the face. */ |
7be1c21a | 806 | tty_highlight_if_desired (tty); |
e882229c NR |
807 | turn_on_face (f, face_id); |
808 | ||
809 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
810 | conversion_buffer = encode_terminal_code (string, len, coding); | |
811 | if (coding->produced > 0) | |
812 | { | |
4d7e6e51 | 813 | block_input (); |
7be1c21a MB |
814 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
815 | if (ferror (tty->output)) | |
816 | clearerr (tty->output); | |
817 | if (tty->termscript) | |
818 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 819 | unblock_input (); |
e882229c NR |
820 | } |
821 | ||
822 | /* Turn appearance modes off. */ | |
823 | turn_off_face (f, face_id); | |
7be1c21a | 824 | tty_turn_off_highlight (tty); |
e882229c | 825 | |
7be1c21a | 826 | cmcheckmagic (tty); |
e882229c | 827 | } |
b870aa61 | 828 | #endif |
e882229c | 829 | |
da8e1115 | 830 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 831 | |
ed8dad6b | 832 | static void |
385ed61f | 833 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
834 | { |
835 | char *buf; | |
6bbd7a29 | 836 | struct glyph *glyph = NULL; |
af645abf KH |
837 | unsigned char *conversion_buffer; |
838 | unsigned char space[1]; | |
839 | struct coding_system *coding; | |
08a24c47 | 840 | |
3224dac1 | 841 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 842 | |
fca177d4 | 843 | if (tty->TS_ins_multi_chars) |
08a24c47 | 844 | { |
50938595 | 845 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 846 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 847 | xfree (buf); |
08a24c47 | 848 | if (start) |
385ed61f | 849 | write_glyphs (f, start, len); |
08a24c47 JB |
850 | return; |
851 | } | |
852 | ||
ed8dad6b | 853 | tty_turn_on_insert (tty); |
6548cf00 | 854 | cmplus (tty, len); |
288d5132 KH |
855 | |
856 | if (! start) | |
857 | space[0] = SPACEGLYPH; | |
858 | ||
859 | /* If terminal_coding does any conversion, use it, otherwise use | |
860 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
861 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
862 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
863 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
864 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
865 | the tail. */ | |
866 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
867 | ||
07109bf9 | 868 | while (len-- > 0) |
08a24c47 | 869 | { |
fca177d4 | 870 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 871 | if (!start) |
32de38e4 | 872 | { |
288d5132 KH |
873 | conversion_buffer = space; |
874 | coding->produced = 1; | |
32de38e4 | 875 | } |
08a24c47 | 876 | else |
08a24c47 | 877 | { |
ed8dad6b | 878 | tty_highlight_if_desired (tty); |
32de38e4 | 879 | turn_on_face (f, start->face_id); |
816be8b8 | 880 | glyph = start; |
a168702a | 881 | ++start; |
a4decb7f KH |
882 | /* We must open sufficient space for a character which |
883 | occupies more than one column. */ | |
a168702a | 884 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 885 | { |
fca177d4 | 886 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
887 | start++, len--; |
888 | } | |
288d5132 KH |
889 | |
890 | if (len <= 0) | |
891 | /* This is the last glyph. */ | |
892 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
893 | ||
fad2f685 | 894 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 895 | } |
a4decb7f | 896 | |
288d5132 | 897 | if (coding->produced > 0) |
08a24c47 | 898 | { |
4d7e6e51 | 899 | block_input (); |
fad2f685 | 900 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
901 | if (ferror (tty->output)) |
902 | clearerr (tty->output); | |
903 | if (tty->termscript) | |
fad2f685 | 904 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
4d7e6e51 | 905 | unblock_input (); |
08a24c47 JB |
906 | } |
907 | ||
fca177d4 | 908 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 909 | if (start) |
65aa5e85 GM |
910 | { |
911 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 912 | tty_turn_off_highlight (tty); |
65aa5e85 | 913 | } |
9a6b6f92 | 914 | } |
177c0ea7 | 915 | |
6548cf00 | 916 | cmcheckmagic (tty); |
08a24c47 JB |
917 | } |
918 | ||
da8e1115 KL |
919 | /* An implementation of delete_glyphs for termcap frames. */ |
920 | ||
ed8dad6b | 921 | static void |
385ed61f | 922 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
923 | { |
924 | char *buf; | |
925 | register int i; | |
926 | ||
3224dac1 | 927 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 928 | |
fca177d4 | 929 | if (tty->delete_in_insert_mode) |
08a24c47 | 930 | { |
ed8dad6b | 931 | tty_turn_on_insert (tty); |
08a24c47 JB |
932 | } |
933 | else | |
934 | { | |
ed8dad6b | 935 | tty_turn_off_insert (tty); |
fca177d4 | 936 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
937 | } |
938 | ||
fca177d4 | 939 | if (tty->TS_del_multi_chars) |
08a24c47 | 940 | { |
50938595 | 941 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 942 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 943 | xfree (buf); |
08a24c47 JB |
944 | } |
945 | else | |
946 | for (i = 0; i < n; i++) | |
fca177d4 KL |
947 | OUTPUT1 (tty, tty->TS_del_char); |
948 | if (!tty->delete_in_insert_mode) | |
949 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
950 | } |
951 | \f | |
da8e1115 | 952 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 953 | |
ed8dad6b | 954 | static void |
385ed61f | 955 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 956 | { |
3224dac1 | 957 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
958 | const char *multi = |
959 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
960 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
961 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
962 | |
963 | register int i = n > 0 ? n : -n; | |
964 | register char *buf; | |
965 | ||
08a24c47 JB |
966 | /* If the lines below the insertion are being pushed |
967 | into the end of the window, this is the same as clearing; | |
968 | and we know the lines are already clear, since the matching | |
969 | deletion has already been done. So can ignore this. */ | |
970 | /* If the lines below the deletion are blank lines coming | |
971 | out of the end of the window, don't bother, | |
972 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
973 | if (FRAME_SCROLL_REGION_OK (f) |
974 | && vpos + i >= tty->specified_window) | |
08a24c47 | 975 | return; |
3224dac1 KL |
976 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
977 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 978 | return; |
f4d953fc | 979 | |
08a24c47 JB |
980 | if (multi) |
981 | { | |
6839f1e2 | 982 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 983 | tty_background_highlight (tty); |
50938595 | 984 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 985 | OUTPUT (tty, buf); |
9ac0d9e0 | 986 | xfree (buf); |
08a24c47 JB |
987 | } |
988 | else if (single) | |
989 | { | |
6839f1e2 | 990 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 991 | tty_background_highlight (tty); |
08a24c47 | 992 | while (--i >= 0) |
3224dac1 KL |
993 | OUTPUT (tty, single); |
994 | if (tty->TF_teleray) | |
995 | curX (tty) = 0; | |
08a24c47 JB |
996 | } |
997 | else | |
998 | { | |
ed8dad6b | 999 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1000 | if (n < 0) |
6839f1e2 | 1001 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1002 | else |
6839f1e2 | 1003 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1004 | tty_background_highlight (tty); |
08a24c47 | 1005 | while (--i >= 0) |
3224dac1 | 1006 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1007 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1008 | } |
f4d953fc | 1009 | |
3224dac1 KL |
1010 | if (!FRAME_SCROLL_REGION_OK (f) |
1011 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1012 | && n < 0) | |
08a24c47 | 1013 | { |
385ed61f KL |
1014 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1015 | clear_to_end (f); | |
08a24c47 JB |
1016 | } |
1017 | } | |
1018 | \f | |
1019 | /* Compute cost of sending "str", in characters, | |
1020 | not counting any line-dependent padding. */ | |
1021 | ||
1022 | int | |
8ea90aa3 | 1023 | string_cost (const char *str) |
08a24c47 JB |
1024 | { |
1025 | cost = 0; | |
1026 | if (str) | |
1027 | tputs (str, 0, evalcost); | |
1028 | return cost; | |
1029 | } | |
1030 | ||
1031 | /* Compute cost of sending "str", in characters, | |
1032 | counting any line-dependent padding at one line. */ | |
1033 | ||
1034 | static int | |
8ea90aa3 | 1035 | string_cost_one_line (const char *str) |
08a24c47 JB |
1036 | { |
1037 | cost = 0; | |
1038 | if (str) | |
1039 | tputs (str, 1, evalcost); | |
1040 | return cost; | |
1041 | } | |
1042 | ||
1043 | /* Compute per line amount of line-dependent padding, | |
1044 | in tenths of characters. */ | |
1045 | ||
1046 | int | |
8ea90aa3 | 1047 | per_line_cost (const char *str) |
08a24c47 JB |
1048 | { |
1049 | cost = 0; | |
1050 | if (str) | |
1051 | tputs (str, 0, evalcost); | |
1052 | cost = - cost; | |
1053 | if (str) | |
1054 | tputs (str, 10, evalcost); | |
1055 | return cost; | |
1056 | } | |
1057 | ||
08a24c47 | 1058 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1059 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1060 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1061 | |
1062 | int *char_ins_del_vector; | |
1063 | ||
9882535b | 1064 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1065 | |
1066 | /* ARGSUSED */ | |
1067 | static void | |
6839f1e2 | 1068 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1069 | { |
28d7d09f | 1070 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1071 | int ins_startup_cost, del_startup_cost; |
1072 | int ins_cost_per_char, del_cost_per_char; | |
1073 | register int i; | |
1074 | register int *p; | |
1075 | ||
fca177d4 | 1076 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1077 | { |
1078 | ins_cost_per_char = 0; | |
fca177d4 | 1079 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1080 | } |
fca177d4 KL |
1081 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1082 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1083 | { |
fca177d4 KL |
1084 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1085 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1086 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1087 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1088 | } |
1089 | else | |
1090 | { | |
1091 | ins_startup_cost = 9999; | |
1092 | ins_cost_per_char = 0; | |
1093 | } | |
1094 | ||
fca177d4 | 1095 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1096 | { |
1097 | del_cost_per_char = 0; | |
fca177d4 | 1098 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1099 | } |
fca177d4 | 1100 | else if (tty->TS_del_char) |
08a24c47 | 1101 | { |
fca177d4 KL |
1102 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1103 | + string_cost (tty->TS_end_delete_mode)); | |
1104 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1105 | del_startup_cost /= 2; |
fca177d4 | 1106 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1107 | } |
1108 | else | |
1109 | { | |
1110 | del_startup_cost = 9999; | |
1111 | del_cost_per_char = 0; | |
1112 | } | |
1113 | ||
1114 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1115 | p = &char_ins_del_cost (f)[0]; |
1116 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1117 | *--p = (del_startup_cost += del_cost_per_char); |
1118 | ||
1119 | /* Doing nothing is free */ | |
fca177d4 | 1120 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1121 | *p++ = 0; |
1122 | ||
1123 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1124 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1125 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1126 | } | |
1127 | ||
dfcf069d | 1128 | void |
6839f1e2 | 1129 | calculate_costs (struct frame *frame) |
08a24c47 | 1130 | { |
9f732a77 | 1131 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1132 | |
28d440ab | 1133 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1134 | { |
1135 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1136 | register const char *f = (tty->TS_set_scroll_region |
1137 | ? tty->TS_set_scroll_region | |
1138 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1139 | |
daf01701 | 1140 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1141 | |
daf01701 | 1142 | tty->costs_set = 1; |
08a24c47 | 1143 | |
daf01701 KL |
1144 | /* These variables are only used for terminal stuff. They are |
1145 | allocated once for the terminal frame of X-windows emacs, but not | |
1146 | used afterwards. | |
8dd0c7cb | 1147 | |
daf01701 KL |
1148 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1149 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1150 | |
daf01701 | 1151 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1152 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1153 | < max_frame_cols) | |
fee31f82 | 1154 | memory_full (SIZE_MAX); |
08a24c47 | 1155 | |
0065d054 PE |
1156 | char_ins_del_vector = |
1157 | xrealloc (char_ins_del_vector, | |
1158 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1159 | |
72af86bd | 1160 | memset (char_ins_del_vector, 0, |
0065d054 | 1161 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1162 | |
daf01701 KL |
1163 | |
1164 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1165 | do_line_insertion_deletion_costs (frame, | |
1166 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1167 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1168 | f, f, 1); | |
1169 | else | |
1170 | do_line_insertion_deletion_costs (frame, | |
1171 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1172 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1173 | 0, 0, 1); | |
1174 | ||
1175 | calculate_ins_del_char_costs (frame); | |
1176 | ||
1177 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1178 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1179 | tty->RPov = string_cost (tty->TS_repeat); | |
1180 | else | |
1181 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1182 | |
daf01701 KL |
1183 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1184 | } | |
08a24c47 JB |
1185 | } |
1186 | \f | |
a796ac82 | 1187 | struct fkey_table { |
fbceeba2 | 1188 | const char *cap, *name; |
a796ac82 JB |
1189 | }; |
1190 | ||
01d8deb0 ER |
1191 | /* Termcap capability names that correspond directly to X keysyms. |
1192 | Some of these (marked "terminfo") aren't supplied by old-style | |
1193 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1194 | except we put the keypad keys first, so that if they clash with | |
1195 | other keys (as on the IBM PC keyboard) they get overridden. | |
1196 | */ | |
1197 | ||
648801d1 | 1198 | static const struct fkey_table keys[] = |
a168702a | 1199 | { |
8103ad1a PJ |
1200 | {"kh", "home"}, /* termcap */ |
1201 | {"kl", "left"}, /* termcap */ | |
1202 | {"ku", "up"}, /* termcap */ | |
1203 | {"kr", "right"}, /* termcap */ | |
1204 | {"kd", "down"}, /* termcap */ | |
1205 | {"%8", "prior"}, /* terminfo */ | |
1206 | {"%5", "next"}, /* terminfo */ | |
1207 | {"@7", "end"}, /* terminfo */ | |
1208 | {"@1", "begin"}, /* terminfo */ | |
1209 | {"*6", "select"}, /* terminfo */ | |
1210 | {"%9", "print"}, /* terminfo */ | |
1211 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1212 | /* |
1213 | * "insert" --- see below | |
1214 | */ | |
8103ad1a PJ |
1215 | {"&8", "undo"}, /* terminfo */ |
1216 | {"%0", "redo"}, /* terminfo */ | |
1217 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1218 | {"@0", "find"}, /* terminfo */ | |
1219 | {"@2", "cancel"}, /* terminfo */ | |
1220 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1221 | /* |
1222 | * "break" goes here, but can't be reliably intercepted with termcap | |
1223 | */ | |
8103ad1a | 1224 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1225 | /* |
1226 | * "system" and "user" --- no termcaps | |
1227 | */ | |
8103ad1a PJ |
1228 | {"kE", "clearline"}, /* terminfo */ |
1229 | {"kA", "insertline"}, /* terminfo */ | |
1230 | {"kL", "deleteline"}, /* terminfo */ | |
1231 | {"kI", "insertchar"}, /* terminfo */ | |
1232 | {"kD", "deletechar"}, /* terminfo */ | |
1233 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1234 | /* |
1235 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1236 | */ | |
8103ad1a | 1237 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1238 | /* |
1239 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1240 | * "kp-multiply", "kp-add", "kp-separator", | |
1241 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1242 | * --- no termcaps for any of these. | |
1243 | */ | |
8103ad1a | 1244 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1245 | /* |
1246 | * "kp-2" --- no termcap | |
1247 | */ | |
8103ad1a | 1248 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1249 | /* |
1250 | * "kp-4" --- no termcap | |
1251 | */ | |
8103ad1a | 1252 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1253 | /* |
1254 | * "kp-6" --- no termcap | |
1255 | */ | |
8103ad1a | 1256 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1257 | /* |
1258 | * "kp-8" --- no termcap | |
1259 | */ | |
8103ad1a | 1260 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1261 | /* |
1262 | * "kp-equal" --- no termcap | |
1263 | */ | |
8103ad1a PJ |
1264 | {"k1", "f1"}, |
1265 | {"k2", "f2"}, | |
1266 | {"k3", "f3"}, | |
1267 | {"k4", "f4"}, | |
1268 | {"k5", "f5"}, | |
1269 | {"k6", "f6"}, | |
1270 | {"k7", "f7"}, | |
1271 | {"k8", "f8"}, | |
60ec7b7e DN |
1272 | {"k9", "f9"}, |
1273 | ||
1274 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1275 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1276 | {"*0", "S-find"}, /*shifted find key*/ | |
1277 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1278 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1279 | {"*7", "S-end"}, /*shifted end key*/ | |
1280 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1281 | {"#1", "S-help"}, /*shifted help key*/ | |
1282 | {"#2", "S-home"}, /*shifted home key*/ | |
1283 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1284 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1285 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1286 | {"%c", "S-next"}, /*shifted next key*/ | |
1287 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1288 | {"%f", "S-print"}, /*shifted print key*/ | |
1289 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1290 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1291 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1292 | }; |
1293 | ||
361358ea | 1294 | #ifndef DOS_NT |
e7cf0fa0 KL |
1295 | static char **term_get_fkeys_address; |
1296 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1297 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1298 | |
4f4a84ec | 1299 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1300 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1301 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1302 | |
ed8dad6b | 1303 | static void |
d3da34e0 | 1304 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1305 | { |
1306 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1307 | errors during the call. The only errors should be from Fdefine_key | |
1308 | when given a key sequence containing an invalid prefix key. If the | |
1309 | termcap defines function keys which use a prefix that is already bound | |
1310 | to a command by the default bindings, we should silently ignore that | |
1311 | function key specification, rather than giving the user an error and | |
1312 | refusing to run at all on such a terminal. */ | |
1313 | ||
e7cf0fa0 KL |
1314 | term_get_fkeys_address = address; |
1315 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1316 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1317 | } | |
1318 | ||
1319 | static Lisp_Object | |
d3da34e0 | 1320 | term_get_fkeys_1 (void) |
5c2c7893 | 1321 | { |
5c2c7893 JB |
1322 | int i; |
1323 | ||
e7cf0fa0 KL |
1324 | char **address = term_get_fkeys_address; |
1325 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1326 | |
3e65092f | 1327 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1328 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1329 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1330 | |
5c2c7893 JB |
1331 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1332 | { | |
1333 | char *sequence = tgetstr (keys[i].cap, address); | |
1334 | if (sequence) | |
1344aad4 | 1335 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1336 | Fmake_vector (make_number (1), |
1337 | intern (keys[i].name))); | |
5c2c7893 | 1338 | } |
a796ac82 JB |
1339 | |
1340 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1341 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1342 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1343 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1344 | */ | |
1345 | { | |
fbceeba2 PE |
1346 | const char *k_semi = tgetstr ("k;", address); |
1347 | const char *k0 = tgetstr ("k0", address); | |
1348 | const char *k0_name = "f10"; | |
a796ac82 JB |
1349 | |
1350 | if (k_semi) | |
1351 | { | |
95c11956 SM |
1352 | if (k0) |
1353 | /* Define f0 first, so that f10 takes precedence in case the | |
1354 | key sequences happens to be the same. */ | |
1344aad4 | 1355 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1356 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1357 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1358 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1359 | } |
95c11956 | 1360 | else if (k0) |
1344aad4 | 1361 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1362 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1363 | } |
01d8deb0 ER |
1364 | |
1365 | /* Set up cookies for numbered function keys above f10. */ | |
1366 | { | |
1367 | char fcap[3], fkey[4]; | |
1368 | ||
fc4f24da | 1369 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1370 | for (i = 11; i < 64; i++) |
1371 | { | |
1372 | if (i <= 19) | |
1373 | fcap[1] = '1' + i - 11; | |
1374 | else if (i <= 45) | |
b59ab95c | 1375 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1376 | else |
b59ab95c | 1377 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1378 | |
fc4f24da RS |
1379 | { |
1380 | char *sequence = tgetstr (fcap, address); | |
1381 | if (sequence) | |
1382 | { | |
465db27b | 1383 | sprintf (fkey, "f%d", i); |
1344aad4 | 1384 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1385 | Fmake_vector (make_number (1), |
1386 | intern (fkey))); | |
fc4f24da RS |
1387 | } |
1388 | } | |
01d8deb0 ER |
1389 | } |
1390 | } | |
1391 | ||
1392 | /* | |
1393 | * Various mappings to try and get a better fit. | |
1394 | */ | |
1395 | { | |
fc4f24da RS |
1396 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1397 | if (!tgetstr (cap1, address)) \ | |
1398 | { \ | |
1399 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1400 | if (sequence) \ |
1344aad4 | 1401 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1402 | Fmake_vector (make_number (1), \ |
1403 | intern (sym))); \ | |
fc4f24da | 1404 | } |
177c0ea7 | 1405 | |
01d8deb0 | 1406 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1407 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1408 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1409 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1410 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1411 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1412 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1413 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1414 | |
1415 | /* IBM has their own non-standard dialect of terminfo. | |
1416 | If the standard name isn't found, try the IBM name. */ | |
1417 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1418 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1419 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1420 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1421 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1422 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1423 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1424 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1425 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1426 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1427 | } |
a168702a GM |
1428 | |
1429 | return Qnil; | |
5c2c7893 | 1430 | } |
361358ea | 1431 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1432 | |
1433 | \f | |
a168702a GM |
1434 | /*********************************************************************** |
1435 | Character Display Information | |
1436 | ***********************************************************************/ | |
f57e2426 | 1437 | static void append_glyph (struct it *); |
f57e2426 J |
1438 | static void append_composite_glyph (struct it *); |
1439 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1440 | static void append_glyphless_glyph (struct it *, int, const char *); |
b18fad6d | 1441 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); |
a168702a GM |
1442 | |
1443 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1444 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1445 | the character for which to produce glyphs; IT->face_id contains the | |
1446 | character's face. Padding glyphs are appended if IT->c has a | |
1447 | IT->pixel_width > 1. */ | |
177c0ea7 | 1448 | |
a168702a | 1449 | static void |
d3da34e0 | 1450 | append_glyph (struct it *it) |
a168702a GM |
1451 | { |
1452 | struct glyph *glyph, *end; | |
1453 | int i; | |
1454 | ||
a54e2c05 | 1455 | eassert (it->glyph_row); |
a168702a GM |
1456 | glyph = (it->glyph_row->glyphs[it->area] |
1457 | + it->glyph_row->used[it->area]); | |
1458 | end = it->glyph_row->glyphs[1 + it->area]; | |
1459 | ||
5e65aec0 EZ |
1460 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1461 | than append it. */ | |
1462 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1463 | { | |
1464 | struct glyph *g; | |
1465 | int move_by = it->pixel_width; | |
1466 | ||
1467 | /* Make room for the new glyphs. */ | |
1468 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1469 | move_by = end - glyph; | |
1470 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1471 | g[move_by] = *g; | |
1472 | glyph = it->glyph_row->glyphs[it->area]; | |
1473 | end = glyph + move_by; | |
1474 | } | |
1475 | ||
1476 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1477 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1478 | identical, and (b) the PADDING_P flag needs to be set for the | |
1479 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1480 | for (i = 0; |
1481 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1482 | ++i) |
1483 | { | |
1484 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1485 | glyph->pixel_width = 1; |
d2b4c17d | 1486 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1487 | glyph->face_id = it->face_id; |
1488 | glyph->padding_p = i > 0; | |
a168702a GM |
1489 | glyph->charpos = CHARPOS (it->position); |
1490 | glyph->object = it->object; | |
5e65aec0 EZ |
1491 | if (it->bidi_p) |
1492 | { | |
1493 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1494 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1495 | emacs_abort (); |
5e65aec0 EZ |
1496 | glyph->bidi_type = it->bidi_it.type; |
1497 | } | |
9443b3c7 EZ |
1498 | else |
1499 | { | |
1500 | glyph->resolved_level = 0; | |
1501 | glyph->bidi_type = UNKNOWN_BT; | |
1502 | } | |
177c0ea7 | 1503 | |
a168702a GM |
1504 | ++it->glyph_row->used[it->area]; |
1505 | ++glyph; | |
1506 | } | |
1507 | } | |
1508 | ||
148ae00e EZ |
1509 | /* For external use. */ |
1510 | void | |
1511 | tty_append_glyph (struct it *it) | |
1512 | { | |
1513 | append_glyph (it); | |
1514 | } | |
1515 | ||
1516 | ||
b50fe468 RS |
1517 | /* Produce glyphs for the display element described by IT. *IT |
1518 | specifies what we want to produce a glyph for (character, image, ...), | |
1519 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1520 | produce_glyphs fills in output fields of *IT with information such as the | |
1521 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1522 | the same time if IT->glyph_row is non-null. For an overview, see |
1523 | the explanation in dispextern.h, before the definition of the | |
1524 | display_element_type enumeration. | |
b50fe468 RS |
1525 | |
1526 | produce_glyphs also stores the result of glyph width, ascent | |
1527 | etc. computations in *IT. | |
1528 | ||
1529 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1530 | actually fill in the glyphs. This is used in the move_* functions | |
1531 | in xdisp.c for text width and height computations. | |
1532 | ||
1533 | Callers usually don't call produce_glyphs directly; | |
1534 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1535 | |
177c0ea7 | 1536 | void |
d3da34e0 | 1537 | produce_glyphs (struct it *it) |
a168702a GM |
1538 | { |
1539 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1540 | |
1541 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1542 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1543 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1544 | || it->what == IT_STRETCH |
1545 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1546 | |
6b61353c KH |
1547 | if (it->what == IT_STRETCH) |
1548 | { | |
1549 | produce_stretch_glyph (it); | |
1550 | goto done; | |
1551 | } | |
1552 | ||
4c12d738 KH |
1553 | if (it->what == IT_COMPOSITION) |
1554 | { | |
1555 | produce_composite_glyph (it); | |
1556 | goto done; | |
1557 | } | |
a168702a | 1558 | |
b18fad6d KH |
1559 | if (it->what == IT_GLYPHLESS) |
1560 | { | |
1561 | produce_glyphless_glyph (it, 0, Qnil); | |
1562 | goto done; | |
1563 | } | |
1564 | ||
d419e1d9 | 1565 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1566 | { |
1567 | it->pixel_width = it->nglyphs = 1; | |
1568 | if (it->glyph_row) | |
1569 | append_glyph (it); | |
1570 | } | |
d419e1d9 | 1571 | else if (it->char_to_display == '\n') |
a168702a | 1572 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1573 | else if (it->char_to_display == '\t') |
a168702a | 1574 | { |
2efdbcdd | 1575 | int absolute_x = (it->current_x |
a168702a | 1576 | + it->continuation_lines_width); |
177c0ea7 JB |
1577 | int next_tab_x |
1578 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1579 | / it->tab_width) |
1580 | * it->tab_width); | |
1581 | int nspaces; | |
1582 | ||
1583 | /* If part of the TAB has been displayed on the previous line | |
1584 | which is continued now, continuation_lines_width will have | |
1585 | been incremented already by the part that fitted on the | |
1586 | continued line. So, we will get the right number of spaces | |
1587 | here. */ | |
1588 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1589 | |
a168702a GM |
1590 | if (it->glyph_row) |
1591 | { | |
1592 | int n = nspaces; | |
177c0ea7 | 1593 | |
d2b4c17d | 1594 | it->char_to_display = ' '; |
a168702a | 1595 | it->pixel_width = it->len = 1; |
177c0ea7 | 1596 | |
a168702a GM |
1597 | while (n--) |
1598 | append_glyph (it); | |
a168702a GM |
1599 | } |
1600 | ||
1601 | it->pixel_width = nspaces; | |
1602 | it->nglyphs = nspaces; | |
1603 | } | |
d419e1d9 | 1604 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1605 | { |
d419e1d9 KH |
1606 | /* Coming here means that we must send the raw 8-bit byte as is |
1607 | to the terminal. Although there's no way to know how many | |
1608 | columns it occupies on a screen, it is a good assumption that | |
1609 | a single byte code has 1-column width. */ | |
1610 | it->pixel_width = it->nglyphs = 1; | |
1611 | if (it->glyph_row) | |
1612 | append_glyph (it); | |
add44890 | 1613 | } |
a168702a GM |
1614 | else |
1615 | { | |
b18fad6d | 1616 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1617 | |
b18fad6d KH |
1618 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1619 | { | |
1620 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1621 | it->nglyphs = it->pixel_width; | |
1622 | if (it->glyph_row) | |
1623 | append_glyph (it); | |
1624 | } | |
1625 | else | |
1626 | { | |
1627 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1628 | ||
a54e2c05 | 1629 | eassert (it->what == IT_GLYPHLESS); |
b18fad6d KH |
1630 | produce_glyphless_glyph (it, 1, acronym); |
1631 | } | |
a168702a GM |
1632 | } |
1633 | ||
6b61353c | 1634 | done: |
177c0ea7 | 1635 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1636 | the caller. */ |
1637 | if (it->area == TEXT_AREA) | |
1638 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1639 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1640 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1641 | } |
1642 | ||
4c12d738 KH |
1643 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1644 | Called from produce_composite_glyph for terminal frames if | |
1645 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1646 | face. */ | |
1647 | ||
1648 | static void | |
d3da34e0 | 1649 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1650 | { |
1651 | struct glyph *glyph; | |
1652 | ||
a54e2c05 | 1653 | eassert (it->glyph_row); |
4c12d738 KH |
1654 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1655 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1656 | { | |
93d68d0c EZ |
1657 | /* If the glyph row is reversed, we need to prepend the glyph |
1658 | rather than append it. */ | |
1659 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1660 | { | |
1661 | struct glyph *g; | |
1662 | ||
1663 | /* Make room for the new glyph. */ | |
1664 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1665 | g[1] = *g; | |
1666 | glyph = it->glyph_row->glyphs[it->area]; | |
1667 | } | |
4c12d738 KH |
1668 | glyph->type = COMPOSITE_GLYPH; |
1669 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1670 | glyph->u.cmp.id = it->cmp_it.id; |
1671 | if (it->cmp_it.ch < 0) | |
1672 | { | |
1673 | glyph->u.cmp.automatic = 0; | |
1674 | glyph->u.cmp.id = it->cmp_it.id; | |
1675 | } | |
1676 | else | |
1677 | { | |
1678 | glyph->u.cmp.automatic = 1; | |
1679 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1680 | glyph->slice.cmp.from = it->cmp_it.from; |
1681 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1682 | } |
1683 | ||
4c12d738 KH |
1684 | glyph->face_id = it->face_id; |
1685 | glyph->padding_p = 0; | |
1686 | glyph->charpos = CHARPOS (it->position); | |
1687 | glyph->object = it->object; | |
93d68d0c EZ |
1688 | if (it->bidi_p) |
1689 | { | |
1690 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1691 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1692 | emacs_abort (); |
93d68d0c EZ |
1693 | glyph->bidi_type = it->bidi_it.type; |
1694 | } | |
1695 | else | |
1696 | { | |
1697 | glyph->resolved_level = 0; | |
1698 | glyph->bidi_type = UNKNOWN_BT; | |
1699 | } | |
4c12d738 KH |
1700 | |
1701 | ++it->glyph_row->used[it->area]; | |
1702 | ++glyph; | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | ||
1707 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1708 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1709 | assuming that the terminal has a capability to layout/render it |
1710 | correctly. */ | |
4c12d738 KH |
1711 | |
1712 | static void | |
d3da34e0 | 1713 | produce_composite_glyph (struct it *it) |
4c12d738 | 1714 | { |
75a10786 KH |
1715 | if (it->cmp_it.ch < 0) |
1716 | { | |
1717 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1718 | ||
d0984aff | 1719 | it->pixel_width = cmp->width; |
75a10786 KH |
1720 | } |
1721 | else | |
1722 | { | |
1723 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1724 | |
75a10786 KH |
1725 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1726 | it->cmp_it.to, NULL); | |
1727 | } | |
1728 | it->nglyphs = 1; | |
4c12d738 KH |
1729 | if (it->glyph_row) |
1730 | append_composite_glyph (it); | |
1731 | } | |
1732 | ||
1733 | ||
b18fad6d | 1734 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1735 | is a face ID to be used for the glyph. What is actually appended |
1736 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1737 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1738 | |
1739 | static void | |
fbceeba2 | 1740 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1741 | { |
1742 | struct glyph *glyph, *end; | |
b18fad6d KH |
1743 | int i; |
1744 | ||
a54e2c05 | 1745 | eassert (it->glyph_row); |
b18fad6d KH |
1746 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1747 | end = it->glyph_row->glyphs[1 + it->area]; | |
1748 | ||
1749 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1750 | than append it. */ | |
1751 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1752 | { | |
1753 | struct glyph *g; | |
1754 | int move_by = it->pixel_width; | |
1755 | ||
1756 | /* Make room for the new glyphs. */ | |
1757 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1758 | move_by = end - glyph; | |
1759 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1760 | g[move_by] = *g; | |
1761 | glyph = it->glyph_row->glyphs[it->area]; | |
1762 | end = glyph + move_by; | |
1763 | } | |
1764 | ||
1765 | if (glyph >= end) | |
1766 | return; | |
1767 | glyph->type = CHAR_GLYPH; | |
1768 | glyph->pixel_width = 1; | |
1769 | glyph->face_id = face_id; | |
1770 | glyph->padding_p = 0; | |
1771 | glyph->charpos = CHARPOS (it->position); | |
1772 | glyph->object = it->object; | |
1773 | if (it->bidi_p) | |
1774 | { | |
1775 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1776 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1777 | emacs_abort (); |
b18fad6d KH |
1778 | glyph->bidi_type = it->bidi_it.type; |
1779 | } | |
1780 | else | |
1781 | { | |
1782 | glyph->resolved_level = 0; | |
1783 | glyph->bidi_type = UNKNOWN_BT; | |
1784 | } | |
1785 | ||
1786 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1787 | the REVERSED_P case because we write to the terminal | |
1788 | left-to-right. */ | |
1789 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1790 | { | |
1791 | if (i > 0) | |
1792 | glyph[0] = glyph[-1]; | |
1793 | glyph->u.ch = str[i]; | |
1794 | ++it->glyph_row->used[it->area]; | |
1795 | ++glyph; | |
1796 | } | |
1797 | } | |
1798 | ||
b18fad6d KH |
1799 | /* Produce glyphs for a glyphless character for iterator IT. |
1800 | IT->glyphless_method specifies which method to use for displaying | |
1801 | the character. See the description of enum | |
0eb025fb | 1802 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1803 | |
1804 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
22bcf204 | 1805 | is not supported by the coding system of the terminal. ACRONYM, if |
b18fad6d KH |
1806 | non-nil, is an acronym string for the character. |
1807 | ||
1808 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1809 | ||
1810 | static void | |
1811 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1812 | { | |
1813 | int face_id; | |
0eb025fb | 1814 | int len; |
80f2e268 | 1815 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1816 | char const *str = " "; |
b18fad6d KH |
1817 | |
1818 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1819 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1820 | if (it->f == last_glyphless_glyph_frame |
1821 | && it->face_id == last_glyphless_glyph_face_id) | |
1822 | { | |
1823 | face_id = last_glyphless_glyph_merged_face_id; | |
1824 | } | |
1825 | else | |
1826 | { | |
1827 | /* Merge the `glyphless-char' face into the current face. */ | |
1828 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1829 | last_glyphless_glyph_frame = it->f; | |
1830 | last_glyphless_glyph_face_id = it->face_id; | |
1831 | last_glyphless_glyph_merged_face_id = face_id; | |
1832 | } | |
1833 | ||
1834 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1835 | { | |
0eb025fb EZ |
1836 | /* As there's no way to produce a thin space, we produce a space |
1837 | of canonical width. */ | |
b18fad6d KH |
1838 | len = 1; |
1839 | } | |
1840 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1841 | { | |
1842 | len = CHAR_WIDTH (it->c); | |
1843 | if (len == 0) | |
1844 | len = 1; | |
0eb025fb | 1845 | else if (len > 4) |
b18fad6d | 1846 | len = 4; |
99027bdd | 1847 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1848 | str = buf; |
b18fad6d KH |
1849 | } |
1850 | else | |
1851 | { | |
1852 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1853 | { | |
b18fad6d KH |
1854 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1855 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1856 | if (CONSP (acronym)) |
1857 | acronym = XCDR (acronym); | |
b18fad6d | 1858 | buf[0] = '['; |
51b59d79 | 1859 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1860 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1861 | buf[1 + len] = str[len]; | |
1862 | buf[1 + len] = ']'; | |
1863 | len += 2; | |
1864 | } | |
1865 | else | |
1866 | { | |
a54e2c05 | 1867 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1868 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1869 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1870 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1871 | } |
1872 | str = buf; | |
1873 | } | |
1874 | ||
1875 | it->pixel_width = len; | |
1876 | it->nglyphs = len; | |
d284567f | 1877 | if (it->glyph_row) |
b18fad6d KH |
1878 | append_glyphless_glyph (it, face_id, str); |
1879 | } | |
1880 | ||
a168702a GM |
1881 | \f |
1882 | /*********************************************************************** | |
1883 | Faces | |
1884 | ***********************************************************************/ | |
1885 | ||
4e6ba4a4 GM |
1886 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1887 | one of the enumerators from enum no_color_bit, or a bit set built | |
1888 | from them. Some display attributes may not be used together with | |
1889 | color; the termcap capability `NC' specifies which ones. */ | |
1890 | ||
fca177d4 KL |
1891 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1892 | (tty->TN_max_colors > 0 \ | |
1893 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1894 | : 1) | |
a168702a | 1895 | |
072d84a6 RS |
1896 | /* Turn appearances of face FACE_ID on tty frame F on. |
1897 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1898 | |
1899 | static void | |
d3da34e0 | 1900 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1901 | { |
1902 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1903 | long fg = face->foreground; |
1904 | long bg = face->background; | |
28d7d09f | 1905 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1906 | |
86a7d192 GM |
1907 | /* Do this first because TS_end_standout_mode may be the same |
1908 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1909 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1910 | { |
fca177d4 | 1911 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1912 | { |
1913 | if (fg >= 0 && bg >= 0) | |
1914 | { | |
1915 | /* If the terminal supports colors, we can set them | |
1916 | below without using reverse video. The face's fg | |
1917 | and bg colors are set as they should appear on | |
1918 | the screen, i.e. they take the inverse-video'ness | |
1919 | of the face already into account. */ | |
1920 | } | |
1921 | else if (inverse_video) | |
1922 | { | |
1923 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1924 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1925 | tty_toggle_highlight (tty); |
86a7d192 GM |
1926 | } |
1927 | else | |
1928 | { | |
1929 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1930 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1931 | tty_toggle_highlight (tty); |
86a7d192 GM |
1932 | } |
1933 | } | |
1934 | else | |
1935 | { | |
1936 | /* If we can't display colors, use reverse video | |
1937 | if the face specifies that. */ | |
37526b42 GM |
1938 | if (inverse_video) |
1939 | { | |
1940 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1941 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1942 | tty_toggle_highlight (tty); |
37526b42 GM |
1943 | } |
1944 | else | |
1945 | { | |
1946 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1947 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1948 | tty_toggle_highlight (tty); |
37526b42 | 1949 | } |
86a7d192 GM |
1950 | } |
1951 | } | |
a168702a | 1952 | |
4189ed40 CY |
1953 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1954 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1955 | ||
cd4eb164 CY |
1956 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1957 | { | |
1958 | if (tty->TS_enter_italic_mode) | |
1959 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1960 | else | |
1961 | /* Italics mode is unavailable on many terminals. In that | |
1962 | case, map slant to dimmed text; we want italic text to | |
1963 | appear different and dimming is not otherwise used. */ | |
1964 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1965 | } | |
a168702a | 1966 | |
fca177d4 KL |
1967 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1968 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1969 | |
fca177d4 | 1970 | if (tty->TN_max_colors > 0) |
a168702a | 1971 | { |
fbceeba2 PE |
1972 | const char *ts; |
1973 | char *p; | |
177c0ea7 | 1974 | |
fbf34973 | 1975 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1976 | if (fg >= 0 && ts) |
a168702a | 1977 | { |
50938595 | 1978 | p = tparam (ts, NULL, 0, (int) fg, 0, 0, 0); |
6548cf00 | 1979 | OUTPUT (tty, p); |
a168702a GM |
1980 | xfree (p); |
1981 | } | |
1982 | ||
fbf34973 | 1983 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1984 | if (bg >= 0 && ts) |
a168702a | 1985 | { |
50938595 | 1986 | p = tparam (ts, NULL, 0, (int) bg, 0, 0, 0); |
6548cf00 | 1987 | OUTPUT (tty, p); |
a168702a GM |
1988 | xfree (p); |
1989 | } | |
1990 | } | |
1991 | } | |
177c0ea7 | 1992 | |
a168702a GM |
1993 | |
1994 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1995 | ||
1996 | static void | |
d3da34e0 | 1997 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
1998 | { |
1999 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2000 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2001 | |
a54e2c05 | 2002 | eassert (face != NULL); |
a168702a | 2003 | |
fca177d4 | 2004 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2005 | { |
2006 | /* Capability "me" will turn off appearance modes double-bright, | |
2007 | half-bright, reverse-video, standout, underline. It may or | |
2008 | may not turn off alt-char-mode. */ | |
2009 | if (face->tty_bold_p | |
cd4eb164 | 2010 | || face->tty_italic_p |
a168702a | 2011 | || face->tty_reverse_p |
a168702a | 2012 | || face->tty_underline_p) |
65aa5e85 | 2013 | { |
fca177d4 KL |
2014 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2015 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2016 | tty->standout_mode = 0; | |
65aa5e85 | 2017 | } |
a168702a GM |
2018 | } |
2019 | else | |
2020 | { | |
2021 | /* If we don't have "me" we can only have those appearances | |
2022 | that have exit sequences defined. */ | |
54800acb | 2023 | if (face->tty_underline_p) |
fca177d4 | 2024 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2025 | } |
2026 | ||
2027 | /* Switch back to default colors. */ | |
fca177d4 | 2028 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2029 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2030 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2031 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2032 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2033 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2034 | } |
177c0ea7 JB |
2035 | |
2036 | ||
b63a55ac MB |
2037 | /* Return non-zero if the terminal on frame F supports all of the |
2038 | capabilities in CAPS simultaneously, with foreground and background | |
2039 | colors FG and BG. */ | |
2040 | ||
4a8130f2 | 2041 | int |
d3da34e0 JB |
2042 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2043 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2044 | { |
fca177d4 KL |
2045 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2046 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2047 | return 0; |
2048 | ||
fca177d4 KL |
2049 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2050 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2051 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2052 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2053 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2054 | |
2055 | /* We can do it! */ | |
2056 | return 1; | |
2057 | } | |
2058 | ||
a168702a GM |
2059 | /* Return non-zero if the terminal is capable to display colors. */ |
2060 | ||
2061 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2062 | 0, 1, 0, |
6ed8eeff KL |
2063 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2064 | ||
401e9e57 CY |
2065 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2066 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2067 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2068 | (Lisp_Object terminal) |
a168702a | 2069 | { |
717a00ef | 2070 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2071 | if (!t) |
428a555e | 2072 | return Qnil; |
3224dac1 | 2073 | else |
6ed8eeff | 2074 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2075 | } |
2076 | ||
bfa62f96 EZ |
2077 | /* Return the number of supported colors. */ |
2078 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2079 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2080 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2081 | ||
401e9e57 CY |
2082 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2083 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2084 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2085 | (Lisp_Object terminal) |
bfa62f96 | 2086 | { |
717a00ef | 2087 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2088 | if (!t) |
8c8d5f35 | 2089 | return make_number (0); |
3224dac1 | 2090 | else |
6ed8eeff | 2091 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2092 | } |
2093 | ||
84704c5c | 2094 | #ifndef DOS_NT |
a168702a | 2095 | |
5205ee62 GM |
2096 | /* Declare here rather than in the function, as in the rest of Emacs, |
2097 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2098 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2099 | static int default_max_colors; |
2100 | static int default_max_pairs; | |
2101 | static int default_no_color_video; | |
2102 | static char *default_orig_pair; | |
2103 | static char *default_set_foreground; | |
2104 | static char *default_set_background; | |
fcf8ff2e | 2105 | |
ace28297 EZ |
2106 | /* Save or restore the default color-related capabilities of this |
2107 | terminal. */ | |
2108 | static void | |
28d7d09f | 2109 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2110 | { |
ace28297 EZ |
2111 | |
2112 | if (save) | |
2113 | { | |
70fdbb46 | 2114 | xfree (default_orig_pair); |
fca177d4 | 2115 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2116 | |
70fdbb46 | 2117 | xfree (default_set_foreground); |
fca177d4 | 2118 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2119 | : NULL; |
2120 | ||
70fdbb46 | 2121 | xfree (default_set_background); |
fca177d4 | 2122 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2123 | : NULL; |
2124 | ||
fca177d4 KL |
2125 | default_max_colors = tty->TN_max_colors; |
2126 | default_max_pairs = tty->TN_max_pairs; | |
2127 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2128 | } |
2129 | else | |
2130 | { | |
fca177d4 KL |
2131 | tty->TS_orig_pair = default_orig_pair; |
2132 | tty->TS_set_foreground = default_set_foreground; | |
2133 | tty->TS_set_background = default_set_background; | |
2134 | tty->TN_max_colors = default_max_colors; | |
2135 | tty->TN_max_pairs = default_max_pairs; | |
2136 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2137 | } |
2138 | } | |
2139 | ||
2140 | /* Setup one of the standard tty color schemes according to MODE. | |
2141 | MODE's value is generally the number of colors which we want to | |
2142 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2143 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2144 | static void |
28d7d09f | 2145 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2146 | { |
6b61353c KH |
2147 | /* Canonicalize all negative values of MODE. */ |
2148 | if (mode < -1) | |
2149 | mode = -1; | |
2150 | ||
ace28297 EZ |
2151 | switch (mode) |
2152 | { | |
2153 | case -1: /* no colors at all */ | |
fca177d4 KL |
2154 | tty->TN_max_colors = 0; |
2155 | tty->TN_max_pairs = 0; | |
2156 | tty->TN_no_color_video = 0; | |
2157 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2158 | break; |
2159 | case 0: /* default colors, if any */ | |
2160 | default: | |
fca177d4 | 2161 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2162 | break; |
2163 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2164 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2165 | #ifdef TERMINFO |
fca177d4 KL |
2166 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2167 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2168 | #else |
fca177d4 KL |
2169 | tty->TS_set_foreground = "\033[3%dm"; |
2170 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2171 | #endif |
fca177d4 KL |
2172 | tty->TN_max_colors = 8; |
2173 | tty->TN_max_pairs = 64; | |
2174 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2175 | break; |
2176 | } | |
2177 | } | |
2178 | ||
2179 | void | |
d3da34e0 | 2180 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2181 | { |
ce5b453a | 2182 | Lisp_Object tem, val; |
9b2cd403 SM |
2183 | Lisp_Object color_mode; |
2184 | int mode; | |
9b2cd403 SM |
2185 | Lisp_Object tty_color_mode_alist |
2186 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2187 | |
e69b0960 | 2188 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2189 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2190 | |
6b61353c | 2191 | if (INTEGERP (val)) |
ace28297 | 2192 | color_mode = val; |
ce5b453a | 2193 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2194 | { |
ce5b453a | 2195 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2196 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2197 | } |
ce5b453a SM |
2198 | else |
2199 | color_mode = Qnil; | |
6b61353c | 2200 | |
d311d28c | 2201 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2202 | |
9b2cd403 | 2203 | if (mode != tty->previous_color_mode) |
ace28297 | 2204 | { |
9b2cd403 SM |
2205 | tty->previous_color_mode = mode; |
2206 | tty_setup_colors (tty , mode); | |
2207 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2208 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2209 | } |
2210 | } | |
2211 | ||
84704c5c | 2212 | #endif /* !DOS_NT */ |
a168702a GM |
2213 | |
2214 | \f | |
28d440ab | 2215 | |
6ed8eeff | 2216 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2217 | |
64520e5c | 2218 | static struct terminal * |
717a00ef | 2219 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2220 | { |
717a00ef | 2221 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2222 | |
84704c5c | 2223 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2224 | { |
2225 | if (throw) | |
2226 | error ("Device %d is not a termcap terminal device", t->id); | |
2227 | else | |
2228 | return NULL; | |
2229 | } | |
b6660415 | 2230 | |
6ed8eeff | 2231 | return t; |
b6660415 KL |
2232 | } |
2233 | ||
ab797f65 KL |
2234 | /* Return an active termcap device that uses the tty device with the |
2235 | given name. | |
b6660415 | 2236 | |
7e59217d | 2237 | This function ignores suspended devices. |
da8e1115 KL |
2238 | |
2239 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2240 | |
6ed8eeff | 2241 | struct terminal * |
8ea90aa3 | 2242 | get_named_tty (const char *name) |
28d440ab | 2243 | { |
6ed8eeff KL |
2244 | struct terminal *t; |
2245 | ||
ab797f65 | 2246 | if (!name) |
1088b922 | 2247 | emacs_abort (); |
ab797f65 KL |
2248 | |
2249 | for (t = terminal_list; t; t = t->next_terminal) | |
2250 | { | |
5cc67f65 | 2251 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2252 | && !strcmp (t->display_info.tty->name, name) |
2253 | && TERMINAL_ACTIVE_P (t)) | |
2254 | return t; | |
2255 | } | |
28d440ab KL |
2256 | |
2257 | return 0; | |
2258 | } | |
2259 | ||
2260 | \f | |
a7ca3326 | 2261 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2262 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2263 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2264 | |
401e9e57 CY |
2265 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2266 | selected frame's terminal). */) | |
5842a27b | 2267 | (Lisp_Object terminal) |
b6660415 | 2268 | { |
6ed8eeff | 2269 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2270 | |
84704c5c | 2271 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2272 | return Qnil; |
2273 | ||
6ed8eeff KL |
2274 | if (t->display_info.tty->type) |
2275 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2276 | else |
2277 | return Qnil; | |
2278 | } | |
2279 | ||
6ed8eeff | 2280 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2281 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2282 | |
401e9e57 CY |
2283 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2284 | selected frame's terminal). This function always returns nil if | |
2285 | TERMINAL is not on a tty device. */) | |
5842a27b | 2286 | (Lisp_Object terminal) |
4a933ef8 | 2287 | { |
6ed8eeff | 2288 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2289 | |
84704c5c EZ |
2290 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2291 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2292 | return Qnil; |
2293 | else | |
2294 | return Qt; | |
2295 | } | |
2296 | ||
a3fbb897 | 2297 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2298 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2299 | This is used to override the terminfo data, for certain terminals that |
2300 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2301 | no effect if used on a non-tty terminal. |
a3fbb897 | 2302 | |
401e9e57 CY |
2303 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2304 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2305 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2306 | (Lisp_Object terminal) |
a3fbb897 | 2307 | { |
6ed8eeff | 2308 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2309 | |
6ed8eeff KL |
2310 | if (t->type == output_termcap) |
2311 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2312 | return Qnil; |
2313 | } | |
2314 | ||
c6bf3022 CY |
2315 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2316 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2317 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2318 | selected frame's terminal). This function returns nil if TERMINAL | |
2319 | does not refer to a text terminal. Otherwise, it returns the | |
2320 | top-most frame on the text terminal. */) | |
2321 | (Lisp_Object terminal) | |
2322 | { | |
2323 | struct terminal *t = get_terminal (terminal, 1); | |
2324 | ||
2325 | if (t->type == output_termcap) | |
2326 | return t->display_info.tty->top_frame; | |
2327 | return Qnil; | |
2328 | } | |
2329 | ||
ed8dad6b KL |
2330 | \f |
2331 | ||
2332 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2333 | doc: /* Suspend the terminal device TTY. | |
2334 | ||
2335 | The device is restored to its default state, and Emacs ceases all | |
2336 | access to the tty device. Frames that use the device are not deleted, | |
2337 | but input is not read from them and if they change, their display is | |
2338 | not updated. | |
2339 | ||
401e9e57 CY |
2340 | TTY may be a terminal object, a frame, or nil for the terminal device |
2341 | of the currently selected frame. | |
ed8dad6b | 2342 | |
e4019195 | 2343 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2344 | device. The functions are run with one arg, the id of the suspended |
2345 | terminal device. | |
2346 | ||
2347 | `suspend-tty' does nothing if it is called on a device that is already | |
2348 | suspended. | |
2349 | ||
2350 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2351 | (Lisp_Object tty) |
ed8dad6b | 2352 | { |
717a00ef | 2353 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2354 | FILE *f; |
f4d953fc | 2355 | |
6ed8eeff | 2356 | if (!t) |
ed8dad6b KL |
2357 | error ("Unknown tty device"); |
2358 | ||
6ed8eeff | 2359 | f = t->display_info.tty->input; |
f4d953fc | 2360 | |
ed8dad6b KL |
2361 | if (f) |
2362 | { | |
23d4cba5 DN |
2363 | /* First run `suspend-tty-functions' and then clean up the tty |
2364 | state because `suspend-tty-functions' might need to change | |
2365 | the tty state. */ | |
dee091a3 JD |
2366 | Lisp_Object args[2]; |
2367 | args[0] = intern ("suspend-tty-functions"); | |
2368 | XSETTERMINAL (args[1], t); | |
2369 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2370 | |
6ed8eeff | 2371 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2372 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2373 | |
84704c5c | 2374 | #ifndef MSDOS |
ed8dad6b | 2375 | fclose (f); |
6ed8eeff KL |
2376 | if (f != t->display_info.tty->output) |
2377 | fclose (t->display_info.tty->output); | |
84704c5c | 2378 | #endif |
f4d953fc | 2379 | |
6ed8eeff KL |
2380 | t->display_info.tty->input = 0; |
2381 | t->display_info.tty->output = 0; | |
ed8dad6b | 2382 | |
6ed8eeff KL |
2383 | if (FRAMEP (t->display_info.tty->top_frame)) |
2384 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2385 | |
ed8dad6b KL |
2386 | } |
2387 | ||
4a665758 KL |
2388 | /* Clear display hooks to prevent further output. */ |
2389 | clear_tty_hooks (t); | |
2390 | ||
ed8dad6b KL |
2391 | return Qnil; |
2392 | } | |
2393 | ||
2394 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2395 | doc: /* Resume the previously suspended terminal device TTY. | |
2396 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2397 | suspended terminal are revived. |
ed8dad6b | 2398 | |
6ed8eeff KL |
2399 | It is an error to resume a terminal while another terminal is active |
2400 | on the same device. | |
ed8dad6b | 2401 | |
e4019195 | 2402 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2403 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2404 | device. |
2405 | ||
2406 | `resume-tty' does nothing if it is called on a device that is not | |
2407 | suspended. | |
2408 | ||
401e9e57 CY |
2409 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2410 | frame's terminal). */) | |
5842a27b | 2411 | (Lisp_Object tty) |
ed8dad6b | 2412 | { |
717a00ef | 2413 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2414 | int fd; |
2415 | ||
6ed8eeff | 2416 | if (!t) |
ed8dad6b KL |
2417 | error ("Unknown tty device"); |
2418 | ||
6ed8eeff | 2419 | if (!t->display_info.tty->input) |
ed8dad6b | 2420 | { |
6ed8eeff | 2421 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2422 | error ("Cannot resume display while another display is active on the same device"); |
2423 | ||
84704c5c EZ |
2424 | #ifdef MSDOS |
2425 | t->display_info.tty->output = stdout; | |
2426 | t->display_info.tty->input = stdin; | |
2427 | #else /* !MSDOS */ | |
6ed8eeff | 2428 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2429 | |
59b3194c KL |
2430 | if (fd == -1) |
2431 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2432 | |
78048085 | 2433 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2434 | dissociate_if_controlling_tty (fd); |
78048085 | 2435 | |
6ed8eeff KL |
2436 | t->display_info.tty->output = fdopen (fd, "w+"); |
2437 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2438 | #endif |
78048085 | 2439 | |
ed8dad6b KL |
2440 | add_keyboard_wait_descriptor (fd); |
2441 | ||
6ed8eeff | 2442 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2443 | { |
2444 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2445 | int width, height; | |
2446 | int old_height = FRAME_COLS (f); | |
2447 | int old_width = FRAME_LINES (f); | |
2448 | ||
2449 | /* Check if terminal/window size has changed while the frame | |
2450 | was suspended. */ | |
2451 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2452 | if (width != old_width || height != old_height) | |
2453 | change_frame_size (f, height, width, 0, 0, 0); | |
2454 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2455 | } | |
ed8dad6b | 2456 | |
04f2d78b | 2457 | set_tty_hooks (t); |
6ed8eeff | 2458 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2459 | |
dee091a3 JD |
2460 | { |
2461 | /* Run `resume-tty-functions'. */ | |
2462 | Lisp_Object args[2]; | |
2463 | args[0] = intern ("resume-tty-functions"); | |
2464 | XSETTERMINAL (args[1], t); | |
2465 | Frun_hook_with_args (2, args); | |
2466 | } | |
ed8dad6b KL |
2467 | } |
2468 | ||
4a665758 KL |
2469 | set_tty_hooks (t); |
2470 | ||
ed8dad6b KL |
2471 | return Qnil; |
2472 | } | |
a3fbb897 | 2473 | |
819b8f00 | 2474 | \f |
e882229c NR |
2475 | /*********************************************************************** |
2476 | Mouse | |
2477 | ***********************************************************************/ | |
2478 | ||
7e5a23bd | 2479 | #ifdef HAVE_GPM |
64520e5c PE |
2480 | |
2481 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2482 | void |
2483 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2484 | { |
1ec5dc77 | 2485 | /* TODO: how to set mouse position? |
94da14a0 NR |
2486 | const char *name; |
2487 | int fd; | |
2488 | name = (const char *) ttyname (0); | |
2489 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2490 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2491 | close (fd); |
2492 | last_mouse_x = x; | |
80fb2ce0 | 2493 | last_mouse_y = y; */ |
94da14a0 | 2494 | } |
64520e5c | 2495 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2496 | |
cf482c50 EZ |
2497 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2498 | void | |
2499 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2500 | int start_hpos, int end_hpos, | |
2501 | enum draw_glyphs_face draw) | |
e882229c | 2502 | { |
cf482c50 EZ |
2503 | int nglyphs = end_hpos - start_hpos; |
2504 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2505 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2506 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2507 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2508 | |
cf482c50 EZ |
2509 | if (end_hpos >= row->used[TEXT_AREA]) |
2510 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2511 | |
cf482c50 EZ |
2512 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2513 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2514 | |
cf482c50 EZ |
2515 | /* Save current cursor co-ordinates. */ |
2516 | save_y = curY (tty); | |
2517 | save_x = curX (tty); | |
2518 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2519 | |
cf482c50 EZ |
2520 | if (draw == DRAW_MOUSE_FACE) |
2521 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2522 | nglyphs, face_id); | |
2523 | else if (draw == DRAW_NORMAL_TEXT) | |
2524 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2525 | |
cf482c50 | 2526 | cursor_to (f, save_y, save_x); |
e882229c NR |
2527 | } |
2528 | ||
2529 | static int | |
2530 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2531 | { | |
2532 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2533 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2534 | { | |
2535 | frame->mouse_moved = 1; | |
cf482c50 | 2536 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2537 | /* Remember which glyph we're now on. */ |
2538 | last_mouse_x = event->x; | |
2539 | last_mouse_y = event->y; | |
2540 | return 1; | |
2541 | } | |
2542 | return 0; | |
2543 | } | |
2544 | ||
d35af63c PE |
2545 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2546 | static Time | |
2547 | timeval_to_Time (struct timeval const *t) | |
2548 | { | |
2549 | Time s_1000, ms; | |
2550 | ||
2551 | s_1000 = t->tv_sec; | |
2552 | s_1000 *= 1000; | |
2553 | ms = t->tv_usec / 1000; | |
2554 | return s_1000 + ms; | |
2555 | } | |
2556 | ||
e882229c NR |
2557 | /* Return the current position of the mouse. |
2558 | ||
2559 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2560 | Emacs frame. If it is set to zero, all the other arguments are | |
2561 | garbage. | |
2562 | ||
2563 | Set *bar_window to Qnil, and *x and *y to the column and | |
2564 | row of the character cell the mouse is over. | |
2565 | ||
7f3f1250 | 2566 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2567 | |
80fb2ce0 | 2568 | This clears mouse_moved until the next motion |
94da14a0 | 2569 | event arrives. */ |
e882229c NR |
2570 | static void |
2571 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2572 | enum scroll_bar_part *part, Lisp_Object *x, | |
08dc5ae6 | 2573 | Lisp_Object *y, Time *timeptr) |
e882229c | 2574 | { |
e882229c | 2575 | struct timeval now; |
e882229c NR |
2576 | |
2577 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2578 | (*fp)->mouse_moved = 0; |
e882229c NR |
2579 | |
2580 | *bar_window = Qnil; | |
2581 | *part = 0; | |
2582 | ||
80fb2ce0 | 2583 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2584 | XSETINT (*y, last_mouse_y); |
e882229c | 2585 | gettimeofday(&now, 0); |
d35af63c | 2586 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2587 | } |
2588 | ||
2589 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2590 | ||
2591 | If the event is a button press, then note that we have grabbed | |
2592 | the mouse. */ | |
2593 | ||
2594 | static Lisp_Object | |
2595 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2596 | struct frame *f) | |
2597 | { | |
2598 | struct timeval now; | |
2599 | int i, j; | |
2600 | ||
2601 | result->kind = GPM_CLICK_EVENT; | |
2602 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2603 | { | |
2604 | if (event->buttons & j) { | |
2605 | result->code = i; /* button number */ | |
2606 | break; | |
2607 | } | |
2608 | } | |
2609 | gettimeofday(&now, 0); | |
d35af63c | 2610 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2611 | |
2612 | if (event->type & GPM_UP) | |
2613 | result->modifiers = up_modifier; | |
2614 | else if (event->type & GPM_DOWN) | |
2615 | result->modifiers = down_modifier; | |
2616 | else | |
2617 | result->modifiers = 0; | |
f4d953fc | 2618 | |
e882229c NR |
2619 | if (event->type & GPM_SINGLE) |
2620 | result->modifiers |= click_modifier; | |
f4d953fc | 2621 | |
e882229c NR |
2622 | if (event->type & GPM_DOUBLE) |
2623 | result->modifiers |= double_modifier; | |
2624 | ||
2625 | if (event->type & GPM_TRIPLE) | |
2626 | result->modifiers |= triple_modifier; | |
2627 | ||
2628 | if (event->type & GPM_DRAG) | |
2629 | result->modifiers |= drag_modifier; | |
2630 | ||
80fb2ce0 | 2631 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2632 | |
2633 | /* 1 << KG_SHIFT */ | |
2634 | if (event->modifiers & (1 << 0)) | |
2635 | result->modifiers |= shift_modifier; | |
2636 | ||
2637 | /* 1 << KG_CTRL */ | |
2638 | if (event->modifiers & (1 << 2)) | |
2639 | result->modifiers |= ctrl_modifier; | |
2640 | ||
2641 | /* 1 << KG_ALT || KG_ALTGR */ | |
2642 | if (event->modifiers & (1 << 3) | |
2643 | || event->modifiers & (1 << 1)) | |
2644 | result->modifiers |= meta_modifier; | |
2645 | } | |
2646 | ||
80fb2ce0 NR |
2647 | XSETINT (result->x, event->x); |
2648 | XSETINT (result->y, event->y); | |
e882229c NR |
2649 | XSETFRAME (result->frame_or_window, f); |
2650 | result->arg = Qnil; | |
2651 | return Qnil; | |
2652 | } | |
2653 | ||
f4d953fc | 2654 | int |
7be1c21a | 2655 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2656 | { |
7be1c21a | 2657 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2658 | struct input_event ie; |
2659 | int do_help = 0; | |
2660 | int count = 0; | |
2661 | ||
2662 | EVENT_INIT (ie); | |
2663 | ie.kind = NO_EVENT; | |
2664 | ie.arg = Qnil; | |
2665 | ||
80fb2ce0 | 2666 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2667 | previous_help_echo_string = help_echo_string; |
2668 | help_echo_string = Qnil; | |
2669 | ||
6178ce5e | 2670 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2671 | |
80fb2ce0 NR |
2672 | if (!term_mouse_movement (f, event)) |
2673 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2674 | |
2675 | /* If the contents of the global variable help_echo_string | |
2676 | has changed, generate a HELP_EVENT. */ | |
2677 | if (!NILP (help_echo_string) | |
2678 | || !NILP (previous_help_echo_string)) | |
2679 | do_help = 1; | |
2680 | ||
2681 | goto done; | |
2682 | } | |
2683 | else { | |
2684 | f->mouse_moved = 0; | |
2685 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2686 | } |
2687 | ||
2688 | done: | |
2689 | if (ie.kind != NO_EVENT) | |
2690 | { | |
2691 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2692 | count++; | |
2693 | } | |
2694 | ||
2695 | if (do_help | |
2696 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2697 | { | |
2698 | Lisp_Object frame; | |
2699 | ||
2700 | if (f) | |
2701 | XSETFRAME (frame, f); | |
2702 | else | |
2703 | frame = Qnil; | |
2704 | ||
2705 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2706 | help_echo_object, help_echo_pos); | |
2707 | count++; | |
2708 | } | |
2709 | ||
2710 | return count; | |
2711 | } | |
2712 | ||
6178ce5e | 2713 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2714 | 0, 0, 0, |
71f44e7a | 2715 | doc: /* Open a connection to Gpm. |
6178ce5e | 2716 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2717 | (void) |
e882229c | 2718 | { |
71f44e7a SM |
2719 | struct frame *f = SELECTED_FRAME (); |
2720 | struct tty_display_info *tty | |
2721 | = ((f)->output_method == output_termcap | |
2722 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2723 | Gpm_Connect connection; |
2724 | ||
6178ce5e SM |
2725 | if (!tty) |
2726 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2727 | if (gpm_tty == tty) |
2728 | return Qnil; /* Already activated, nothing to do. */ | |
2729 | if (gpm_tty) | |
2730 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2731 | |
e882229c NR |
2732 | connection.eventMask = ~0; |
2733 | connection.defaultMask = ~GPM_HARD; | |
2734 | connection.maxMod = ~0; | |
2735 | connection.minMod = 0; | |
80fb2ce0 | 2736 | gpm_zerobased = 1; |
e882229c NR |
2737 | |
2738 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2739 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2740 | else |
2741 | { | |
71f44e7a | 2742 | gpm_tty = tty; |
1023cbed SM |
2743 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2744 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2745 | before calling init_sys_modes. */ | |
7be1c21a MB |
2746 | reset_sys_modes (tty); |
2747 | init_sys_modes (tty); | |
e882229c | 2748 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2749 | return Qnil; |
e882229c NR |
2750 | } |
2751 | } | |
2752 | ||
ed5ff21d | 2753 | void |
d347e494 | 2754 | close_gpm (int fd) |
ed5ff21d | 2755 | { |
d347e494 SM |
2756 | if (fd >= 0) |
2757 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2758 | while (Gpm_Close()); /* close all the stack */ |
2759 | gpm_tty = NULL; | |
2760 | } | |
2761 | ||
6178ce5e | 2762 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2763 | 0, 0, 0, |
2764 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2765 | (void) |
e882229c | 2766 | { |
4ce5ab77 SM |
2767 | struct frame *f = SELECTED_FRAME (); |
2768 | struct tty_display_info *tty | |
2769 | = ((f)->output_method == output_termcap | |
2770 | ? (f)->terminal->display_info.tty : NULL); | |
2771 | ||
2772 | if (!tty || gpm_tty != tty) | |
2773 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2774 | |
d347e494 | 2775 | close_gpm (gpm_fd); |
6178ce5e | 2776 | return Qnil; |
e882229c | 2777 | } |
7e5a23bd | 2778 | #endif /* HAVE_GPM */ |
e882229c NR |
2779 | |
2780 | \f | |
89ba96f4 | 2781 | #ifndef MSDOS |
a168702a GM |
2782 | /*********************************************************************** |
2783 | Initialization | |
2784 | ***********************************************************************/ | |
2785 | ||
ed8dad6b KL |
2786 | /* Initialize the tty-dependent part of frame F. The frame must |
2787 | already have its device initialized. */ | |
3224dac1 | 2788 | |
dfcf069d | 2789 | void |
ed8dad6b | 2790 | create_tty_output (struct frame *f) |
28d440ab | 2791 | { |
38182d90 | 2792 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b KL |
2793 | |
2794 | if (! FRAME_TERMCAP_P (f)) | |
1088b922 | 2795 | emacs_abort (); |
428a555e | 2796 | |
6ed8eeff | 2797 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2798 | |
ed8dad6b | 2799 | f->output_data.tty = t; |
3224dac1 KL |
2800 | } |
2801 | ||
9f215d25 | 2802 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2803 | |
ed8dad6b | 2804 | static void |
9f215d25 | 2805 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2806 | { |
ed8dad6b | 2807 | if (! FRAME_TERMCAP_P (f)) |
1088b922 | 2808 | emacs_abort (); |
3224dac1 | 2809 | |
9f215d25 CY |
2810 | if (FRAME_FACE_CACHE (f)) |
2811 | free_frame_faces (f); | |
2812 | ||
ed8dad6b | 2813 | xfree (f->output_data.tty); |
28d440ab KL |
2814 | } |
2815 | ||
89ba96f4 EZ |
2816 | #else /* MSDOS */ |
2817 | ||
2818 | /* Delete frame F's face cache. */ | |
2819 | ||
2820 | static void | |
2821 | tty_free_frame_resources (struct frame *f) | |
2822 | { | |
2823 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
1088b922 | 2824 | emacs_abort (); |
89ba96f4 EZ |
2825 | |
2826 | if (FRAME_FACE_CACHE (f)) | |
2827 | free_frame_faces (f); | |
2828 | } | |
2829 | #endif /* MSDOS */ | |
ed8dad6b | 2830 | \f |
47cc8819 | 2831 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2832 | |
4a665758 KL |
2833 | static void |
2834 | clear_tty_hooks (struct terminal *terminal) | |
2835 | { | |
2836 | terminal->rif = 0; | |
2837 | terminal->cursor_to_hook = 0; | |
2838 | terminal->raw_cursor_to_hook = 0; | |
2839 | terminal->clear_to_end_hook = 0; | |
2840 | terminal->clear_frame_hook = 0; | |
2841 | terminal->clear_end_of_line_hook = 0; | |
2842 | terminal->ins_del_lines_hook = 0; | |
2843 | terminal->insert_glyphs_hook = 0; | |
2844 | terminal->write_glyphs_hook = 0; | |
2845 | terminal->delete_glyphs_hook = 0; | |
2846 | terminal->ring_bell_hook = 0; | |
2847 | terminal->reset_terminal_modes_hook = 0; | |
2848 | terminal->set_terminal_modes_hook = 0; | |
2849 | terminal->update_begin_hook = 0; | |
2850 | terminal->update_end_hook = 0; | |
2851 | terminal->set_terminal_window_hook = 0; | |
2852 | terminal->mouse_position_hook = 0; | |
2853 | terminal->frame_rehighlight_hook = 0; | |
2854 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2855 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2856 | terminal->set_vertical_scroll_bar_hook = 0; |
2857 | terminal->condemn_scroll_bars_hook = 0; | |
2858 | terminal->redeem_scroll_bar_hook = 0; | |
2859 | terminal->judge_scroll_bars_hook = 0; | |
2860 | terminal->read_socket_hook = 0; | |
2861 | terminal->frame_up_to_date_hook = 0; | |
2862 | ||
2863 | /* Leave these two set, or suspended frames are not deleted | |
2864 | correctly. */ | |
9f215d25 | 2865 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2866 | terminal->delete_terminal_hook = &delete_tty; |
2867 | } | |
2868 | ||
47cc8819 DN |
2869 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2870 | ||
4a665758 KL |
2871 | static void |
2872 | set_tty_hooks (struct terminal *terminal) | |
2873 | { | |
2874 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
2875 | ||
2876 | terminal->cursor_to_hook = &tty_cursor_to; | |
2877 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2878 | ||
2879 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
2880 | terminal->clear_frame_hook = &tty_clear_frame; | |
2881 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2882 | ||
2883 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
2884 | ||
2885 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
2886 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
2887 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
2888 | ||
2889 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 2890 | |
4a665758 KL |
2891 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2892 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2893 | terminal->update_begin_hook = 0; /* Not needed. */ | |
2894 | terminal->update_end_hook = &tty_update_end; | |
2895 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
2896 | ||
2897 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
2898 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
2899 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
2900 | ||
2901 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2902 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2903 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2904 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2905 | ||
2906 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2907 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 2908 | |
9f215d25 | 2909 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2910 | terminal->delete_terminal_hook = &delete_tty; |
2911 | } | |
2912 | ||
03a1d6bd | 2913 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 2914 | static void |
03a1d6bd KL |
2915 | dissociate_if_controlling_tty (int fd) |
2916 | { | |
69deda53 | 2917 | pid_t pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
dd0333b6 PE |
2918 | if (0 <= pgid) |
2919 | setsid (); | |
03a1d6bd KL |
2920 | } |
2921 | ||
3224dac1 KL |
2922 | /* Create a termcap display on the tty device with the given name and |
2923 | type. | |
2924 | ||
ab797f65 | 2925 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
2926 | Otherwise NAME should be a path to the tty device file, |
2927 | e.g. "/dev/pts/7". | |
28d440ab | 2928 | |
3224dac1 KL |
2929 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2930 | ||
2931 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2932 | |
6ed8eeff | 2933 | struct terminal * |
8ea90aa3 | 2934 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 2935 | { |
59b3194c | 2936 | char *area = NULL; |
08a24c47 | 2937 | char **address = &area; |
6b61353c | 2938 | int buffer_size = 4096; |
08a24c47 | 2939 | int status; |
59b3194c KL |
2940 | struct tty_display_info *tty = NULL; |
2941 | struct terminal *terminal = NULL; | |
2942 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 2943 | |
3224dac1 | 2944 | if (!terminal_type) |
d31eee5e | 2945 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
2946 | "Unknown terminal type", |
2947 | "Unknown terminal type"); | |
b6660415 | 2948 | |
ab797f65 | 2949 | if (name == NULL) |
78048085 EZ |
2950 | name = DEV_TTY; |
2951 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
2952 | ctty = 1; |
2953 | ||
6ed8eeff KL |
2954 | /* If we already have a terminal on the given device, use that. If |
2955 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 2956 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 2957 | always create a new terminal and separating terminal and frame |
b6660415 | 2958 | creation on Lisp level. */ |
6ed8eeff KL |
2959 | terminal = get_named_tty (name); |
2960 | if (terminal) | |
2961 | return terminal; | |
78048085 | 2962 | |
6ed8eeff | 2963 | terminal = create_terminal (); |
84704c5c EZ |
2964 | #ifdef MSDOS |
2965 | if (been_here > 0) | |
762b15be | 2966 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
2967 | name, ""); |
2968 | been_here = 1; | |
2969 | tty = &the_only_display_info; | |
2970 | #else | |
38182d90 | 2971 | tty = xzalloc (sizeof *tty); |
84704c5c | 2972 | #endif |
c650a5de | 2973 | tty->top_frame = Qnil; |
3224dac1 KL |
2974 | tty->next = tty_list; |
2975 | tty_list = tty; | |
428a555e | 2976 | |
6ed8eeff KL |
2977 | terminal->type = output_termcap; |
2978 | terminal->display_info.tty = tty; | |
2979 | tty->terminal = terminal; | |
28d440ab | 2980 | |
38182d90 | 2981 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 2982 | Wcm_clear (tty); |
daf01701 | 2983 | |
dce4c2ac DN |
2984 | encode_terminal_src_size = 0; |
2985 | encode_terminal_dst_size = 0; | |
2986 | ||
51b59d79 | 2987 | |
84704c5c | 2988 | #ifndef DOS_NT |
4a665758 | 2989 | set_tty_hooks (terminal); |
78048085 | 2990 | |
59b3194c KL |
2991 | { |
2992 | int fd; | |
2993 | FILE *file; | |
0c72d684 | 2994 | |
73dcdb9f | 2995 | #if O_IGNORE_CTTY |
59b3194c | 2996 | if (!ctty) |
0c72d684 KL |
2997 | /* Open the terminal device. Don't recognize it as our |
2998 | controlling terminal, and don't make it the controlling tty | |
2999 | if we don't have one at the moment. */ | |
3000 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3001 | else |
0080dc6b | 3002 | #endif /* O_IGNORE_CTTY */ |
2666355c | 3003 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3004 | defined on Hurd. On other systems, we need to explicitly |
3005 | dissociate ourselves from the controlling tty when we want to | |
3006 | open a frame on the same terminal. */ | |
0c72d684 | 3007 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 | 3008 | |
97c6058a DN |
3009 | tty->name = xstrdup (name); |
3010 | terminal->name = xstrdup (name); | |
3011 | ||
59b3194c | 3012 | if (fd < 0) |
d31eee5e | 3013 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3014 | "Could not open file: %s", |
3015 | "Could not open file: %s", | |
3016 | name); | |
3017 | if (!isatty (fd)) | |
3018 | { | |
3019 | close (fd); | |
d31eee5e | 3020 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3021 | "Not a tty device: %s", |
3022 | "Not a tty device: %s", | |
3023 | name); | |
3024 | } | |
0c72d684 | 3025 | |
73dcdb9f | 3026 | #if !O_IGNORE_CTTY |
59b3194c | 3027 | if (!ctty) |
03a1d6bd | 3028 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3029 | #endif |
3030 | ||
3031 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3032 | tty->input = file; |
3033 | tty->output = file; | |
3034 | } | |
78048085 | 3035 | |
28d7d09f | 3036 | tty->type = xstrdup (terminal_type); |
28d440ab | 3037 | |
819b8f00 | 3038 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3039 | |
6548cf00 | 3040 | Wcm_clear (tty); |
08a24c47 | 3041 | |
23f86fce | 3042 | tty->termcap_term_buffer = xmalloc (buffer_size); |
78048085 | 3043 | |
03a1d6bd KL |
3044 | /* On some systems, tgetent tries to access the controlling |
3045 | terminal. */ | |
2fe28299 PE |
3046 | { |
3047 | sigset_t blocked; | |
3048 | sigemptyset (&blocked); | |
3049 | sigaddset (&blocked, SIGTTOU); | |
3050 | pthread_sigmask (SIG_BLOCK, &blocked, 0); | |
3051 | status = tgetent (tty->termcap_term_buffer, terminal_type); | |
3052 | pthread_sigmask (SIG_UNBLOCK, &blocked, 0); | |
3053 | } | |
78048085 | 3054 | |
08a24c47 | 3055 | if (status < 0) |
b0347178 KH |
3056 | { |
3057 | #ifdef TERMINFO | |
d31eee5e | 3058 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3059 | "Cannot open terminfo database file", |
3060 | "Cannot open terminfo database file"); | |
b0347178 | 3061 | #else |
d31eee5e | 3062 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3063 | "Cannot open termcap database file", |
3064 | "Cannot open termcap database file"); | |
b0347178 KH |
3065 | #endif |
3066 | } | |
08a24c47 | 3067 | if (status == 0) |
b0347178 | 3068 | { |
d31eee5e | 3069 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3070 | "Terminal type %s is not defined", |
3071 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3072 | If that is not the actual type of terminal you have,\n\ |
3073 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3074 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3075 | #ifdef TERMINFO | |
3076 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3077 | #else |
84164a0d | 3078 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3079 | #endif |
84164a0d | 3080 | terminal_type); |
b0347178 | 3081 | } |
6b61353c KH |
3082 | |
3083 | #ifndef TERMINFO | |
d31eee5e | 3084 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
1088b922 | 3085 | emacs_abort (); |
d31eee5e | 3086 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3087 | #endif |
23f86fce | 3088 | tty->termcap_strings_buffer = area = xmalloc (buffer_size); |
fca177d4 KL |
3089 | tty->TS_ins_line = tgetstr ("al", address); |
3090 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3091 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3092 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3093 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3094 | tty->TS_clr_line = tgetstr ("ce", address); | |
3095 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3096 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3097 | AbsPosition (tty) = tgetstr ("cm", address); | |
3098 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3099 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3100 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3101 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3102 | tty->TS_del_char = tgetstr ("dc", address); |
3103 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3104 | tty->TS_del_line = tgetstr ("dl", address); | |
3105 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3106 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3107 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3108 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3109 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3110 | tty->TS_ins_char = tgetstr ("ic", address); |
3111 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3112 | tty->TS_insert_mode = tgetstr ("im", address); | |
3113 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3114 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3115 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3116 | LastLine (tty) = tgetstr ("ll", address); |
3117 | Right (tty) = tgetstr ("nd", address); | |
3118 | Down (tty) = tgetstr ("do", address); | |
3119 | if (!Down (tty)) | |
3120 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3121 | if (tgetflag ("bs")) |
6548cf00 | 3122 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3123 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3124 | Left (tty) = tgetstr ("le", address); |
3125 | if (!Left (tty)) | |
3126 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3127 | tty->TS_pad_char = tgetstr ("pc", address); |
3128 | tty->TS_repeat = tgetstr ("rp", address); | |
3129 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3130 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3131 | tty->TS_standout_mode = tgetstr ("so", address); | |
3132 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3133 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3134 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3135 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3136 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3137 | tty->TS_visible_bell = tgetstr ("vb", address); |
3138 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3139 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3140 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3141 | tty->TS_set_window = tgetstr ("wi", address); | |
3142 | ||
3143 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3144 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3145 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 3146 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 3147 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
3148 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
3149 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3150 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3151 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3152 | |
6548cf00 KL |
3153 | MultiUp (tty) = tgetstr ("UP", address); |
3154 | MultiDown (tty) = tgetstr ("DO", address); | |
3155 | MultiLeft (tty) = tgetstr ("LE", address); | |
3156 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3157 | |
5c32d3f2 | 3158 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
3159 | color because we can't switch back to the default foreground and |
3160 | background. */ | |
fca177d4 KL |
3161 | tty->TS_orig_pair = tgetstr ("op", address); |
3162 | if (tty->TS_orig_pair) | |
a168702a | 3163 | { |
fca177d4 KL |
3164 | tty->TS_set_foreground = tgetstr ("AF", address); |
3165 | tty->TS_set_background = tgetstr ("AB", address); | |
3166 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3167 | { |
3168 | /* SVr4. */ | |
fca177d4 KL |
3169 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3170 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3171 | } |
177c0ea7 | 3172 | |
fca177d4 KL |
3173 | tty->TN_max_colors = tgetnum ("Co"); |
3174 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3175 | |
fca177d4 KL |
3176 | tty->TN_no_color_video = tgetnum ("NC"); |
3177 | if (tty->TN_no_color_video == -1) | |
3178 | tty->TN_no_color_video = 0; | |
a168702a | 3179 | } |
a168702a | 3180 | |
fca177d4 | 3181 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3182 | |
6548cf00 | 3183 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3184 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3185 | the former flag imply the latter. */ | |
6548cf00 | 3186 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3187 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3188 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3189 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3190 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3191 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3192 | tty->TF_standout_motion = tgetflag ("ms"); | |
3193 | tty->TF_underscore = tgetflag ("ul"); | |
3194 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3195 | |
dce4c2ac DN |
3196 | #else /* DOS_NT */ |
3197 | #ifdef WINDOWSNT | |
3198 | { | |
3199 | struct frame *f = XFRAME (selected_frame); | |
3200 | ||
3201 | initialize_w32_display (terminal); | |
3202 | ||
3203 | FrameRows (tty) = FRAME_LINES (f); | |
3204 | FrameCols (tty) = FRAME_COLS (f); | |
3205 | tty->specified_window = FRAME_LINES (f); | |
3206 | ||
dce4c2ac DN |
3207 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; |
3208 | terminal->char_ins_del_ok = 1; | |
3209 | baud_rate = 19200; | |
3210 | } | |
3211 | #else /* MSDOS */ | |
3212 | { | |
3213 | int height, width; | |
3214 | if (strcmp (terminal_type, "internal") == 0) | |
3215 | terminal->type = output_msdos_raw; | |
3216 | initialize_msdos_display (terminal); | |
3217 | ||
3218 | get_tty_size (fileno (tty->input), &width, &height); | |
3219 | FrameCols (tty) = width; | |
3220 | FrameRows (tty) = height; | |
3221 | terminal->char_ins_del_ok = 0; | |
3222 | init_baud_rate (fileno (tty->input)); | |
3223 | } | |
3224 | #endif /* MSDOS */ | |
3225 | tty->output = stdout; | |
3226 | tty->input = stdin; | |
3227 | /* The following two are inaccessible from w32console.c. */ | |
3228 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3229 | terminal->delete_terminal_hook = &delete_tty; | |
3230 | ||
3231 | tty->name = xstrdup (name); | |
3232 | terminal->name = xstrdup (name); | |
3233 | tty->type = xstrdup (terminal_type); | |
3234 | ||
3235 | add_keyboard_wait_descriptor (0); | |
3236 | ||
dce4c2ac DN |
3237 | tty->delete_in_insert_mode = 1; |
3238 | ||
3239 | UseTabs (tty) = 0; | |
3240 | terminal->scroll_region_ok = 0; | |
3241 | ||
3242 | /* Seems to insert lines when it's not supposed to, messing up the | |
3243 | display. In doing a trace, it didn't seem to be called much, so I | |
3244 | don't think we're losing anything by turning it off. */ | |
3245 | terminal->line_ins_del_ok = 0; | |
3246 | ||
3247 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3248 | #endif /* DOS_NT */ | |
3249 | ||
6bc8cd65 JB |
3250 | #ifdef HAVE_GPM |
3251 | terminal->mouse_position_hook = term_mouse_position; | |
3252 | tty->mouse_highlight.mouse_face_window = Qnil; | |
3253 | #endif | |
3254 | ||
38182d90 | 3255 | terminal->kboard = xmalloc (sizeof *terminal->kboard); |
6ed8eeff | 3256 | init_kboard (terminal->kboard); |
15dbb4d6 | 3257 | kset_window_system (terminal->kboard, Qnil); |
6ed8eeff KL |
3258 | terminal->kboard->next_kboard = all_kboards; |
3259 | all_kboards = terminal->kboard; | |
3260 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3261 | /* Don't let the initial kboard remain current longer than necessary. |
3262 | That would cause problems if a file loaded on startup tries to | |
3263 | prompt in the mini-buffer. */ | |
3264 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3265 | current_kboard = terminal->kboard; |
84704c5c | 3266 | #ifndef DOS_NT |
6ed8eeff | 3267 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3268 | |
ff11dfa1 | 3269 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3270 | { |
3271 | int height, width; | |
0b0d3e0b | 3272 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3273 | FrameCols (tty) = width; |
3274 | FrameRows (tty) = height; | |
3b12ce12 RS |
3275 | } |
3276 | ||
0a125897 KL |
3277 | if (FrameCols (tty) <= 0) |
3278 | FrameCols (tty) = tgetnum ("co"); | |
3279 | if (FrameRows (tty) <= 0) | |
3280 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3281 | |
0a125897 | 3282 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3283 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3284 | "Screen size %dx%d is too small", |
3224dac1 | 3285 | "Screen size %dx%d is too small", |
0a125897 | 3286 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3287 | |
6548cf00 | 3288 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3289 | |
fca177d4 KL |
3290 | if (!tty->TS_bell) |
3291 | tty->TS_bell = "\07"; | |
08a24c47 | 3292 | |
fca177d4 KL |
3293 | if (!tty->TS_fwd_scroll) |
3294 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3295 | |
fca177d4 | 3296 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3297 | |
6548cf00 KL |
3298 | if (TabWidth (tty) < 0) |
3299 | TabWidth (tty) = 8; | |
177c0ea7 | 3300 | |
08a24c47 JB |
3301 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3302 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3303 | if (!tty->Wcm->cm_tab) |
3304 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3305 | */ |
3306 | ||
54800acb MB |
3307 | /* We don't support standout modes that use `magic cookies', so |
3308 | turn off any that do. */ | |
fca177d4 | 3309 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3310 | { |
fca177d4 KL |
3311 | tty->TS_standout_mode = 0; |
3312 | tty->TS_end_standout_mode = 0; | |
54800acb | 3313 | } |
fca177d4 | 3314 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3315 | { |
fca177d4 KL |
3316 | tty->TS_enter_underline_mode = 0; |
3317 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3318 | } |
3319 | ||
3320 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3321 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3322 | { |
fca177d4 KL |
3323 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3324 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3325 | } |
3326 | ||
afd359c4 RS |
3327 | /* If no `se' string, try using a `me' string instead. |
3328 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3329 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3330 | { |
e4bfb3b6 | 3331 | char *s = tgetstr ("me", address); |
afd359c4 | 3332 | if (s != 0) |
fca177d4 | 3333 | tty->TS_end_standout_mode = s; |
afd359c4 | 3334 | else |
fca177d4 | 3335 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3336 | } |
3337 | ||
fca177d4 | 3338 | if (tty->TF_teleray) |
08a24c47 | 3339 | { |
6548cf00 | 3340 | tty->Wcm->cm_tab = 0; |
54800acb | 3341 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3342 | tty->TS_standout_mode = 0; |
08a24c47 | 3343 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3344 | CR (tty) = 0; |
08a24c47 JB |
3345 | /* LF can't be trusted either -- can alter hpos */ |
3346 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3347 | Down (tty) = 0; |
08a24c47 JB |
3348 | } |
3349 | ||
0a125897 | 3350 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3351 | |
6548cf00 | 3352 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3353 | { |
d31eee5e | 3354 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3355 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3356 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3357 | It lacks the ability to position the cursor.\n\ |
3358 | If that is not the actual type of terminal you have,\n\ | |
3359 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3360 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3361 | # ifdef TERMINFO | |
3362 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3363 | # else /* TERMCAP */ |
84164a0d | 3364 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3365 | # endif /* TERMINFO */ |
3224dac1 | 3366 | terminal_type); |
fca177d4 | 3367 | } |
daf01701 | 3368 | |
0a125897 | 3369 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3370 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3371 | "Could not determine the frame size", |
3372 | "Could not determine the frame size"); | |
08a24c47 | 3373 | |
fca177d4 KL |
3374 | tty->delete_in_insert_mode |
3375 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3376 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3377 | |
fca177d4 KL |
3378 | tty->se_is_so = (tty->TS_standout_mode |
3379 | && tty->TS_end_standout_mode | |
3380 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3381 | |
0b0d3e0b | 3382 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3383 | |
6ed8eeff | 3384 | terminal->scroll_region_ok |
6548cf00 | 3385 | = (tty->Wcm->cm_abs |
fca177d4 | 3386 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3387 | |
6ed8eeff | 3388 | terminal->line_ins_del_ok |
fca177d4 KL |
3389 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3390 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3391 | || (terminal->scroll_region_ok |
fca177d4 | 3392 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3393 | |
6ed8eeff | 3394 | terminal->char_ins_del_ok |
fca177d4 KL |
3395 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3396 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3397 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3398 | |
6ed8eeff | 3399 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3400 | |
0b0d3e0b | 3401 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3402 | |
84704c5c | 3403 | #endif /* not DOS_NT */ |
635e3b29 | 3404 | |
0a125897 KL |
3405 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3406 | init_sys_modes (tty); | |
daf01701 | 3407 | |
6ed8eeff | 3408 | return terminal; |
08a24c47 JB |
3409 | } |
3410 | ||
b3ffc17c DN |
3411 | |
3412 | static void | |
3413 | vfatal (const char *str, va_list ap) | |
3414 | { | |
3415 | fprintf (stderr, "emacs: "); | |
3416 | vfprintf (stderr, str, ap); | |
3417 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3418 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
3419 | fflush (stderr); |
3420 | exit (1); | |
3421 | } | |
3422 | ||
3423 | ||
a4c6993d | 3424 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 3425 | Delete TERMINAL, then call error or fatal with str1 or str2, |
762b15be | 3426 | respectively, according to whether MUST_SUCCEED is zero or not. */ |
6b61353c | 3427 | |
3224dac1 | 3428 | static void |
b3ffc17c DN |
3429 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3430 | const char *str1, const char *str2, ...) | |
3224dac1 | 3431 | { |
b3ffc17c DN |
3432 | va_list ap; |
3433 | va_start (ap, str2); | |
6ed8eeff KL |
3434 | if (terminal) |
3435 | delete_tty (terminal); | |
f4d953fc | 3436 | |
3224dac1 | 3437 | if (must_succeed) |
b3ffc17c | 3438 | vfatal (str2, ap); |
3224dac1 | 3439 | else |
b3ffc17c | 3440 | verror (str1, ap); |
3224dac1 | 3441 | |
b3ffc17c | 3442 | va_end (ap); |
1088b922 | 3443 | emacs_abort (); |
08a24c47 JB |
3444 | } |
3445 | ||
dfcf069d | 3446 | void |
7c401d15 | 3447 | fatal (const char *str, ...) |
08a24c47 | 3448 | { |
7c401d15 DN |
3449 | va_list ap; |
3450 | va_start (ap, str); | |
b3ffc17c | 3451 | vfatal (str, ap); |
7c401d15 | 3452 | va_end (ap); |
08a24c47 | 3453 | } |
07c57952 | 3454 | |
819b8f00 KL |
3455 | \f |
3456 | ||
6ed8eeff | 3457 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3458 | |
ed8dad6b | 3459 | static void |
6ed8eeff | 3460 | delete_tty (struct terminal *terminal) |
072d84a6 | 3461 | { |
428a555e | 3462 | struct tty_display_info *tty; |
f4d953fc | 3463 | |
e2749141 | 3464 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3465 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3466 | if (!terminal->name) |
0a125897 | 3467 | return; |
fca177d4 | 3468 | |
6ed8eeff | 3469 | if (terminal->type != output_termcap) |
1088b922 | 3470 | emacs_abort (); |
428a555e | 3471 | |
6ed8eeff | 3472 | tty = terminal->display_info.tty; |
f4d953fc | 3473 | |
fca177d4 KL |
3474 | if (tty == tty_list) |
3475 | tty_list = tty->next; | |
3476 | else | |
3477 | { | |
28d7d09f | 3478 | struct tty_display_info *p; |
fca177d4 KL |
3479 | for (p = tty_list; p && p->next != tty; p = p->next) |
3480 | ; | |
3481 | ||
3482 | if (! p) | |
3483 | /* This should not happen. */ | |
1088b922 | 3484 | emacs_abort (); |
fca177d4 | 3485 | |
0a125897 KL |
3486 | p->next = tty->next; |
3487 | tty->next = 0; | |
fca177d4 KL |
3488 | } |
3489 | ||
7e59217d | 3490 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3491 | before delete_terminal. */ |
04c3243c | 3492 | reset_sys_modes (tty); |
fca177d4 | 3493 | |
6ed8eeff | 3494 | delete_terminal (terminal); |
3224dac1 | 3495 | |
70fdbb46 JM |
3496 | xfree (tty->name); |
3497 | xfree (tty->type); | |
daf01701 | 3498 | |
fca177d4 | 3499 | if (tty->input) |
819b8f00 KL |
3500 | { |
3501 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3502 | if (tty->input != stdin) | |
3503 | fclose (tty->input); | |
3504 | } | |
3505 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3506 | fclose (tty->output); |
3507 | if (tty->termscript) | |
3508 | fclose (tty->termscript); | |
daf01701 | 3509 | |
70fdbb46 JM |
3510 | xfree (tty->old_tty); |
3511 | xfree (tty->Wcm); | |
5f445726 JM |
3512 | xfree (tty->termcap_strings_buffer); |
3513 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3514 | |
fca177d4 | 3515 | xfree (tty); |
fca177d4 KL |
3516 | } |
3517 | ||
dfcf069d | 3518 | void |
d3da34e0 | 3519 | syms_of_term (void) |
07c57952 | 3520 | { |
29208e82 | 3521 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3522 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3523 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3524 | #ifdef TERMINFO |
3525 | system_uses_terminfo = 1; | |
3526 | #else | |
3527 | system_uses_terminfo = 0; | |
3528 | #endif | |
c291d9ef | 3529 | |
29208e82 | 3530 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 3531 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 3532 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3533 | See `suspend-tty'. */); |
e4019195 | 3534 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3535 | |
3536 | ||
29208e82 | 3537 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 3538 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 3539 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3540 | See `resume-tty'. */); |
e4019195 | 3541 | Vresume_tty_functions = Qnil; |
a168702a | 3542 | |
29208e82 | 3543 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3544 | doc: /* Non-nil means to make the cursor very visible. |
3545 | This only has an effect when running in a text terminal. | |
3546 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3547 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3548 | visible_cursor = 1; | |
3549 | ||
a168702a | 3550 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3551 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3552 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3553 | defsubr (&Stty_type); |
3554 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 3555 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
3556 | defsubr (&Ssuspend_tty); |
3557 | defsubr (&Sresume_tty); | |
7e5a23bd | 3558 | #ifdef HAVE_GPM |
6178ce5e SM |
3559 | defsubr (&Sgpm_mouse_start); |
3560 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3561 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3562 | |
84704c5c | 3563 | #ifndef DOS_NT |
3a7c5d40 CY |
3564 | default_orig_pair = NULL; |
3565 | default_set_foreground = NULL; | |
3566 | default_set_background = NULL; | |
84704c5c | 3567 | #endif /* !DOS_NT */ |
d31eee5e CY |
3568 | |
3569 | encode_terminal_src = NULL; | |
3570 | encode_terminal_dst = NULL; | |
07c57952 | 3571 | } |