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> |
03a1d6bd | 28 | #include <signal.h> |
d7306fe6 | 29 | #include <setjmp.h> |
0c72d684 | 30 | |
9628b887 | 31 | #include "lisp.h" |
08a24c47 JB |
32 | #include "termchar.h" |
33 | #include "termopts.h" | |
50938595 | 34 | #include "tparam.h" |
9332ea03 | 35 | #include "character.h" |
e5560ff7 | 36 | #include "buffer.h" |
a4decb7f KH |
37 | #include "charset.h" |
38 | #include "coding.h" | |
4c12d738 | 39 | #include "composite.h" |
2538fae4 | 40 | #include "keyboard.h" |
ff11dfa1 | 41 | #include "frame.h" |
08a24c47 JB |
42 | #include "disptab.h" |
43 | #include "termhooks.h" | |
dfcf069d | 44 | #include "dispextern.h" |
a168702a | 45 | #include "window.h" |
8feddab4 | 46 | #include "keymap.h" |
1a935bfd | 47 | #include "blockinput.h" |
03a1d6bd KL |
48 | #include "syssignal.h" |
49 | #include "systty.h" | |
c9612b8e | 50 | #include "intervals.h" |
84704c5c EZ |
51 | #ifdef MSDOS |
52 | #include "msdos.h" | |
53 | static int been_here = -1; | |
54 | #endif | |
a168702a | 55 | |
eccec691 | 56 | #include "cm.h" |
dfcf069d AS |
57 | #ifdef HAVE_X_WINDOWS |
58 | #include "xterm.h" | |
59 | #endif | |
c8951b18 | 60 | |
28d440ab KL |
61 | #ifndef O_RDWR |
62 | #define O_RDWR 2 | |
63 | #endif | |
6b61353c | 64 | |
0c72d684 KL |
65 | #ifndef O_NOCTTY |
66 | #define O_NOCTTY 0 | |
67 | #endif | |
6b61353c | 68 | |
78048085 EZ |
69 | /* The name of the default console device. */ |
70 | #ifdef WINDOWSNT | |
71 | #define DEV_TTY "CONOUT$" | |
72 | #else | |
73 | #define DEV_TTY "/dev/tty" | |
74 | #endif | |
a168702a | 75 | |
f57e2426 J |
76 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
77 | static void turn_on_face (struct frame *, int face_id); | |
78 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 79 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
80 | static void tty_show_cursor (struct tty_display_info *); |
81 | static void tty_hide_cursor (struct tty_display_info *); | |
82 | static void tty_background_highlight (struct tty_display_info *tty); | |
64520e5c | 83 | static struct terminal *get_tty_terminal (Lisp_Object, int); |
f57e2426 J |
84 | static void clear_tty_hooks (struct terminal *terminal); |
85 | static void set_tty_hooks (struct terminal *terminal); | |
86 | static void dissociate_if_controlling_tty (int fd); | |
87 | static void delete_tty (struct terminal *); | |
845ca893 PE |
88 | static _Noreturn void maybe_fatal (int must_succeed, struct terminal *terminal, |
89 | const char *str1, const char *str2, ...) | |
90 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); | |
91 | static _Noreturn void vfatal (const char *str, va_list ap) | |
92 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 93 | |
a168702a | 94 | |
6548cf00 KL |
95 | #define OUTPUT(tty, a) \ |
96 | emacs_tputs ((tty), a, \ | |
97 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
98 | - curY (tty)), \ | |
99 | cmputc) | |
100 | ||
28d440ab KL |
101 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
102 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 103 | |
28d440ab | 104 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
105 | do { \ |
106 | if (a) \ | |
b286858c | 107 | OUTPUT (tty, a); \ |
6548cf00 | 108 | } while (0) |
177c0ea7 | 109 | |
28d440ab | 110 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 111 | |
f46c2aff | 112 | /* Display space properties */ |
08a24c47 | 113 | |
428a555e | 114 | /* Chain of all tty device parameters. */ |
28d7d09f | 115 | struct tty_display_info *tty_list; |
08a24c47 | 116 | |
4e6ba4a4 GM |
117 | /* Meaning of bits in no_color_video. Each bit set means that the |
118 | corresponding attribute cannot be combined with colors. */ | |
119 | ||
120 | enum no_color_bit | |
121 | { | |
122 | NC_STANDOUT = 1 << 0, | |
123 | NC_UNDERLINE = 1 << 1, | |
124 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 125 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
126 | NC_DIM = 1 << 4, |
127 | NC_BOLD = 1 << 5, | |
128 | NC_INVIS = 1 << 6, | |
cd4eb164 | 129 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
130 | }; |
131 | ||
08a24c47 JB |
132 | /* internal state */ |
133 | ||
8dd0c7cb | 134 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 135 | |
64520e5c | 136 | static int max_frame_cols; |
a168702a | 137 | |
0c72d684 KL |
138 | /* Non-zero if we have dropped our controlling tty and therefore |
139 | should not open a frame on stdout. */ | |
140 | static int no_controlling_tty; | |
08a24c47 | 141 | |
08a24c47 | 142 | \f |
cb28b9c2 | 143 | |
7e5a23bd | 144 | #ifdef HAVE_GPM |
e882229c | 145 | #include <sys/fcntl.h> |
e882229c | 146 | |
71f44e7a SM |
147 | /* The device for which we have enabled gpm support (or NULL). */ |
148 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 149 | |
cf482c50 | 150 | /* Last recorded mouse coordinates. */ |
e882229c | 151 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 152 | #endif /* HAVE_GPM */ |
e882229c | 153 | |
da8e1115 | 154 | /* Ring the bell on a tty. */ |
c291d9ef | 155 | |
ed8dad6b | 156 | static void |
385ed61f | 157 | tty_ring_bell (struct frame *f) |
3224dac1 | 158 | { |
3224dac1 | 159 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 160 | |
b6660415 KL |
161 | if (tty->output) |
162 | { | |
163 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
164 | ? tty->TS_visible_bell | |
165 | : tty->TS_bell)); | |
166 | fflush (tty->output); | |
08a24c47 | 167 | } |
08a24c47 JB |
168 | } |
169 | ||
da8e1115 KL |
170 | /* Set up termcap modes for Emacs. */ |
171 | ||
64520e5c | 172 | static void |
6ed8eeff | 173 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 174 | { |
6ed8eeff | 175 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 176 | |
0b0d3e0b | 177 | if (tty->output) |
08a24c47 | 178 | { |
fbf34973 KL |
179 | if (tty->TS_termcap_modes) |
180 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 181 | else |
fbf34973 KL |
182 | { |
183 | /* Output enough newlines to scroll all the old screen contents | |
184 | off the screen, so it won't be overwritten and lost. */ | |
185 | int i; | |
a3c07f68 | 186 | current_tty = tty; |
fbf34973 | 187 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 188 | cmputc ('\n'); |
fbf34973 KL |
189 | } |
190 | ||
b58cb614 | 191 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
192 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
193 | losecursor (tty); | |
2f98e6e3 | 194 | fflush (tty->output); |
08a24c47 | 195 | } |
08a24c47 JB |
196 | } |
197 | ||
da8e1115 KL |
198 | /* Reset termcap modes before exiting Emacs. */ |
199 | ||
64520e5c | 200 | static void |
6ed8eeff | 201 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 202 | { |
6ed8eeff | 203 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
204 | |
205 | if (tty->output) | |
08a24c47 | 206 | { |
ed8dad6b KL |
207 | tty_turn_off_highlight (tty); |
208 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
209 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
210 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
211 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
212 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 213 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 214 | current_tty = tty; |
d284f58f | 215 | cmputc ('\r'); |
2f98e6e3 | 216 | fflush (tty->output); |
08a24c47 | 217 | } |
08a24c47 JB |
218 | } |
219 | ||
6ed8eeff | 220 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 221 | |
ed8dad6b | 222 | static void |
3224dac1 | 223 | tty_update_end (struct frame *f) |
08a24c47 | 224 | { |
3224dac1 | 225 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 226 | |
3224dac1 KL |
227 | if (!XWINDOW (selected_window)->cursor_off_p) |
228 | tty_show_cursor (tty); | |
ed8dad6b KL |
229 | tty_turn_off_insert (tty); |
230 | tty_background_highlight (tty); | |
08a24c47 JB |
231 | } |
232 | ||
da8e1115 KL |
233 | /* The implementation of set_terminal_window for termcap frames. */ |
234 | ||
ed8dad6b | 235 | static void |
385ed61f | 236 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 237 | { |
3224dac1 KL |
238 | struct tty_display_info *tty = FRAME_TTY (f); |
239 | ||
240 | tty->specified_window = size ? size : FRAME_LINES (f); | |
241 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 242 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
243 | } |
244 | ||
ed8dad6b KL |
245 | static void |
246 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
247 | { |
248 | char *buf; | |
28d7d09f | 249 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 250 | |
fca177d4 | 251 | if (tty->TS_set_scroll_region) |
50938595 | 252 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
253 | else if (tty->TS_set_scroll_region_1) |
254 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
255 | FRAME_LINES (f), start, |
256 | FRAME_LINES (f) - stop, | |
257 | FRAME_LINES (f)); | |
08a24c47 | 258 | else |
fca177d4 | 259 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 260 | |
6548cf00 | 261 | OUTPUT (tty, buf); |
9ac0d9e0 | 262 | xfree (buf); |
6548cf00 | 263 | losecursor (tty); |
08a24c47 | 264 | } |
d284f58f | 265 | |
08a24c47 | 266 | \f |
d284f58f | 267 | static void |
ed8dad6b | 268 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 269 | { |
fca177d4 KL |
270 | if (!tty->insert_mode) |
271 | OUTPUT (tty, tty->TS_insert_mode); | |
272 | tty->insert_mode = 1; | |
08a24c47 JB |
273 | } |
274 | ||
dfcf069d | 275 | void |
ed8dad6b | 276 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 277 | { |
fca177d4 KL |
278 | if (tty->insert_mode) |
279 | OUTPUT (tty, tty->TS_end_insert_mode); | |
280 | tty->insert_mode = 0; | |
08a24c47 JB |
281 | } |
282 | \f | |
54800acb | 283 | /* Handle highlighting. */ |
08a24c47 | 284 | |
64520e5c | 285 | static void |
ed8dad6b | 286 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 287 | { |
fca177d4 KL |
288 | if (tty->standout_mode) |
289 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
290 | tty->standout_mode = 0; | |
08a24c47 JB |
291 | } |
292 | ||
d284f58f | 293 | static void |
ed8dad6b | 294 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 295 | { |
fca177d4 KL |
296 | if (!tty->standout_mode) |
297 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
298 | tty->standout_mode = 1; | |
08a24c47 JB |
299 | } |
300 | ||
86a7d192 | 301 | static void |
ed8dad6b | 302 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 303 | { |
fca177d4 | 304 | if (tty->standout_mode) |
ed8dad6b | 305 | tty_turn_off_highlight (tty); |
86a7d192 | 306 | else |
ed8dad6b | 307 | tty_turn_on_highlight (tty); |
86a7d192 GM |
308 | } |
309 | ||
a168702a GM |
310 | |
311 | /* Make cursor invisible. */ | |
312 | ||
313 | static void | |
28d7d09f | 314 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 315 | { |
fca177d4 | 316 | if (tty->cursor_hidden == 0) |
d284f58f | 317 | { |
fca177d4 KL |
318 | tty->cursor_hidden = 1; |
319 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 320 | } |
a168702a GM |
321 | } |
322 | ||
323 | ||
324 | /* Ensure that cursor is visible. */ | |
325 | ||
326 | static void | |
28d7d09f | 327 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 328 | { |
fca177d4 | 329 | if (tty->cursor_hidden) |
d284f58f | 330 | { |
fca177d4 KL |
331 | tty->cursor_hidden = 0; |
332 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 333 | if (visible_cursor) |
b58cb614 | 334 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 335 | } |
a168702a GM |
336 | } |
337 | ||
338 | ||
08a24c47 JB |
339 | /* Set standout mode to the state it should be in for |
340 | empty space inside windows. What this is, | |
341 | depends on the user option inverse-video. */ | |
342 | ||
ed8dad6b KL |
343 | static void |
344 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 345 | { |
08a24c47 | 346 | if (inverse_video) |
ed8dad6b | 347 | tty_turn_on_highlight (tty); |
08a24c47 | 348 | else |
ed8dad6b | 349 | tty_turn_off_highlight (tty); |
08a24c47 JB |
350 | } |
351 | ||
352 | /* Set standout mode to the mode specified for the text to be output. */ | |
353 | ||
dfcf069d | 354 | static void |
ed8dad6b | 355 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 356 | { |
8ede64a5 | 357 | if (inverse_video) |
ed8dad6b | 358 | tty_turn_on_highlight (tty); |
8ede64a5 | 359 | else |
ed8dad6b | 360 | tty_turn_off_highlight (tty); |
08a24c47 JB |
361 | } |
362 | \f | |
363 | ||
a168702a GM |
364 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
365 | frame-relative coordinates. */ | |
08a24c47 | 366 | |
ed8dad6b | 367 | static void |
385ed61f | 368 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 369 | { |
3224dac1 | 370 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 371 | |
36cae867 KH |
372 | /* Detect the case where we are called from reset_sys_modes |
373 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 374 | if (! tty->costs_set) |
36cae867 KH |
375 | return; |
376 | ||
6548cf00 KL |
377 | if (curY (tty) == vpos |
378 | && curX (tty) == hpos) | |
08a24c47 | 379 | return; |
fca177d4 | 380 | if (!tty->TF_standout_motion) |
ed8dad6b | 381 | tty_background_highlight (tty); |
fca177d4 | 382 | if (!tty->TF_insmode_motion) |
ed8dad6b | 383 | tty_turn_off_insert (tty); |
6548cf00 | 384 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
385 | } |
386 | ||
387 | /* Similar but don't take any account of the wasted characters. */ | |
388 | ||
ed8dad6b | 389 | static void |
385ed61f | 390 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 391 | { |
3224dac1 KL |
392 | struct tty_display_info *tty = FRAME_TTY (f); |
393 | ||
6548cf00 KL |
394 | if (curY (tty) == row |
395 | && curX (tty) == col) | |
08a24c47 | 396 | return; |
fca177d4 | 397 | if (!tty->TF_standout_motion) |
ed8dad6b | 398 | tty_background_highlight (tty); |
fca177d4 | 399 | if (!tty->TF_insmode_motion) |
ed8dad6b | 400 | tty_turn_off_insert (tty); |
6548cf00 | 401 | cmgoto (tty, row, col); |
08a24c47 JB |
402 | } |
403 | \f | |
404 | /* Erase operations */ | |
405 | ||
da8e1115 KL |
406 | /* Clear from cursor to end of frame on a termcap device. */ |
407 | ||
ed8dad6b | 408 | static void |
385ed61f | 409 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
410 | { |
411 | register int i; | |
3224dac1 | 412 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 413 | |
fca177d4 | 414 | if (tty->TS_clr_to_bottom) |
08a24c47 | 415 | { |
ed8dad6b | 416 | tty_background_highlight (tty); |
fca177d4 | 417 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
418 | } |
419 | else | |
420 | { | |
6548cf00 | 421 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 422 | { |
385ed61f KL |
423 | cursor_to (f, i, 0); |
424 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
425 | } |
426 | } | |
427 | } | |
428 | ||
da8e1115 | 429 | /* Clear an entire termcap frame. */ |
08a24c47 | 430 | |
ed8dad6b | 431 | static void |
385ed61f | 432 | tty_clear_frame (struct frame *f) |
08a24c47 | 433 | { |
3224dac1 | 434 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 435 | |
fca177d4 | 436 | if (tty->TS_clr_frame) |
08a24c47 | 437 | { |
ed8dad6b | 438 | tty_background_highlight (tty); |
fca177d4 | 439 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 440 | cmat (tty, 0, 0); |
08a24c47 JB |
441 | } |
442 | else | |
443 | { | |
385ed61f KL |
444 | cursor_to (f, 0, 0); |
445 | clear_to_end (f); | |
08a24c47 JB |
446 | } |
447 | } | |
448 | ||
da8e1115 | 449 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
450 | |
451 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
452 | ||
ed8dad6b | 453 | static void |
385ed61f | 454 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
455 | { |
456 | register int i; | |
3224dac1 | 457 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 458 | |
36cae867 KH |
459 | /* Detect the case where we are called from reset_sys_modes |
460 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 461 | if (! tty->costs_set) |
36cae867 KH |
462 | return; |
463 | ||
6548cf00 | 464 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 465 | return; |
ed8dad6b | 466 | tty_background_highlight (tty); |
fca177d4 | 467 | if (tty->TS_clr_line) |
08a24c47 | 468 | { |
fca177d4 | 469 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
470 | } |
471 | else | |
472 | { /* have to do it the hard way */ | |
ed8dad6b | 473 | tty_turn_off_insert (tty); |
08a24c47 | 474 | |
a168702a | 475 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 476 | if (AutoWrap (tty) |
0a125897 KL |
477 | && curY (tty) == FrameRows (tty) - 1 |
478 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
479 | first_unused_hpos--; |
480 | ||
6548cf00 | 481 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 482 | { |
0b0d3e0b KL |
483 | if (tty->termscript) |
484 | fputc (' ', tty->termscript); | |
485 | fputc (' ', tty->output); | |
08a24c47 | 486 | } |
6548cf00 | 487 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
488 | } |
489 | } | |
490 | \f | |
288d5132 KH |
491 | /* Buffers to store the source and result of code conversion for terminal. */ |
492 | static unsigned char *encode_terminal_src; | |
493 | static unsigned char *encode_terminal_dst; | |
494 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
495 | static ptrdiff_t encode_terminal_src_size; |
496 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
497 | |
498 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
499 | Set CODING->produced to the byte-length of the resulting byte | |
500 | sequence, and return a pointer to that byte sequence. */ | |
501 | ||
7ef4b50c | 502 | unsigned char * |
d3da34e0 | 503 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 504 | { |
feef4f84 | 505 | struct glyph *src_end = src + src_len; |
288d5132 | 506 | unsigned char *buf; |
fee31f82 PE |
507 | ptrdiff_t nchars, nbytes, required; |
508 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 509 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 510 | Lisp_Object charset_list; |
c5a518df | 511 | |
288d5132 KH |
512 | /* Allocate sufficient size of buffer to store all characters in |
513 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
514 | Vglyph_table contains a string or a composite glyph is |
515 | encountered. */ | |
fee31f82 PE |
516 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
517 | memory_full (SIZE_MAX); | |
518 | required = src_len; | |
519 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
520 | if (encode_terminal_src_size < required) |
521 | { | |
fee31f82 | 522 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
523 | encode_terminal_src_size = required; |
524 | } | |
6589fd67 | 525 | |
288d5132 | 526 | charset_list = coding_charset_list (coding); |
a4decb7f | 527 | |
288d5132 KH |
528 | buf = encode_terminal_src; |
529 | nchars = 0; | |
530 | while (src < src_end) | |
a4decb7f | 531 | { |
4c12d738 KH |
532 | if (src->type == COMPOSITE_GLYPH) |
533 | { | |
c2ed9c8b PE |
534 | struct composition *cmp IF_LINT (= NULL); |
535 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
536 | int i; |
537 | ||
538 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
539 | if (src->u.cmp.automatic) |
540 | { | |
541 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 542 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
543 | } |
544 | else | |
545 | { | |
546 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
547 | required = cmp->glyph_len; |
548 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 549 | } |
4c12d738 | 550 | |
fee31f82 | 551 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 552 | { |
0065d054 PE |
553 | encode_terminal_src = |
554 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
555 | required - (encode_terminal_src_size - nbytes), | |
556 | -1, 1); | |
4c12d738 KH |
557 | buf = encode_terminal_src + nbytes; |
558 | } | |
559 | ||
75a10786 | 560 | if (src->u.cmp.automatic) |
4be9765d | 561 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
562 | { |
563 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
564 | int c = LGLYPH_CHAR (g); | |
565 | ||
566 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 567 | c = '?'; |
75a10786 KH |
568 | buf += CHAR_STRING (c, buf); |
569 | nchars++; | |
570 | } | |
571 | else | |
572 | for (i = 0; i < cmp->glyph_len; i++) | |
573 | { | |
574 | int c = COMPOSITION_GLYPH (cmp, i); | |
575 | ||
bd01620e EZ |
576 | /* TAB in a composition means display glyphs with |
577 | padding space on the left or right. */ | |
d0984aff KH |
578 | if (c == '\t') |
579 | continue; | |
580 | if (char_charset (c, charset_list, NULL)) | |
581 | { | |
582 | if (CHAR_WIDTH (c) == 0 | |
583 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
584 | /* Should be left-padded */ | |
585 | { | |
586 | buf += CHAR_STRING (' ', buf); | |
587 | nchars++; | |
588 | } | |
589 | } | |
590 | else | |
591 | c = '?'; | |
75a10786 KH |
592 | buf += CHAR_STRING (c, buf); |
593 | nchars++; | |
594 | } | |
4c12d738 | 595 | } |
a4decb7f | 596 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 597 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 598 | { |
f4d953fc | 599 | GLYPH g; |
c2ed9c8b | 600 | int c IF_LINT (= 0); |
288d5132 KH |
601 | Lisp_Object string; |
602 | ||
4ae0a2c0 | 603 | string = Qnil; |
f4d953fc | 604 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 605 | |
f4d953fc | 606 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 607 | { |
f185a758 | 608 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
609 | c = src->u.ch; |
610 | } | |
32de38e4 | 611 | else |
a4decb7f | 612 | { |
32de38e4 | 613 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
614 | so process any alias before testing for simpleness. */ |
615 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
616 | |
617 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
618 | /* We set the multi-byte form of a character in G |
619 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 620 | c = GLYPH_CHAR (g); |
32de38e4 | 621 | else |
4ae0a2c0 | 622 | /* We have a string in Vglyph_table. */ |
f4d953fc | 623 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 624 | } |
177c0ea7 | 625 | |
4ae0a2c0 | 626 | if (NILP (string)) |
c42869c4 | 627 | { |
4c12d738 | 628 | nbytes = buf - encode_terminal_src; |
fee31f82 | 629 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 630 | { |
0065d054 PE |
631 | encode_terminal_src = |
632 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
633 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
634 | buf = encode_terminal_src + nbytes; |
635 | } | |
d419e1d9 KH |
636 | if (CHAR_BYTE8_P (c) |
637 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 638 | { |
288d5132 KH |
639 | /* Store the multibyte form of C at BUF. */ |
640 | buf += CHAR_STRING (c, buf); | |
641 | nchars++; | |
c5a518df KH |
642 | } |
643 | else | |
644 | { | |
288d5132 KH |
645 | /* C is not encodable. */ |
646 | *buf++ = '?'; | |
c5a518df | 647 | nchars++; |
288d5132 KH |
648 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
649 | { | |
650 | *buf++ = '?'; | |
651 | nchars++; | |
652 | src++; | |
653 | } | |
c5a518df | 654 | } |
4ae0a2c0 KH |
655 | } |
656 | else | |
657 | { | |
288d5132 KH |
658 | if (! STRING_MULTIBYTE (string)) |
659 | string = string_to_multibyte (string); | |
660 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 661 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 662 | { |
0065d054 PE |
663 | encode_terminal_src = |
664 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
665 | (SBYTES (string) | |
666 | - (encode_terminal_src_size - nbytes)), | |
667 | -1, 1); | |
288d5132 | 668 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 669 | } |
72af86bd | 670 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
671 | buf += SBYTES (string); |
672 | nchars += SCHARS (string); | |
c42869c4 | 673 | } |
a4decb7f | 674 | } |
288d5132 KH |
675 | src++; |
676 | } | |
677 | ||
678 | if (nchars == 0) | |
679 | { | |
680 | coding->produced = 0; | |
681 | return NULL; | |
a4decb7f | 682 | } |
177c0ea7 | 683 | |
288d5132 KH |
684 | nbytes = buf - encode_terminal_src; |
685 | coding->source = encode_terminal_src; | |
686 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 687 | { |
fee31f82 PE |
688 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
689 | encode_terminal_src_size); | |
288d5132 | 690 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 691 | } |
288d5132 KH |
692 | coding->destination = encode_terminal_dst; |
693 | coding->dst_bytes = encode_terminal_dst_size; | |
694 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 695 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
696 | encode_terminal_dst = coding->destination; |
697 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 698 | |
288d5132 | 699 | return (encode_terminal_dst); |
a4decb7f KH |
700 | } |
701 | ||
08a24c47 | 702 | |
c73bd236 | 703 | |
da8e1115 KL |
704 | /* An implementation of write_glyphs for termcap frames. */ |
705 | ||
ed8dad6b | 706 | static void |
385ed61f | 707 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 708 | { |
288d5132 KH |
709 | unsigned char *conversion_buffer; |
710 | struct coding_system *coding; | |
5c5cdd39 | 711 | size_t n, stringlen; |
08a24c47 | 712 | |
3224dac1 | 713 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 714 | |
ed8dad6b | 715 | tty_turn_off_insert (tty); |
fca177d4 | 716 | tty_hide_cursor (tty); |
08a24c47 | 717 | |
a168702a | 718 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 719 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 720 | |
6548cf00 KL |
721 | if (AutoWrap (tty) |
722 | && curY (tty) + 1 == FRAME_LINES (f) | |
723 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 724 | len --; |
a4decb7f KH |
725 | if (len <= 0) |
726 | return; | |
08a24c47 | 727 | |
6548cf00 | 728 | cmplus (tty, len); |
177c0ea7 | 729 | |
af645abf KH |
730 | /* If terminal_coding does any conversion, use it, otherwise use |
731 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
732 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
733 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
734 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
735 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
736 | the tail. */ | |
af645abf | 737 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 738 | |
5c5cdd39 | 739 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 740 | { |
a168702a | 741 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 742 | int face_id = string->face_id; |
177c0ea7 | 743 | |
5c5cdd39 | 744 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 745 | if (string[n].face_id != face_id) |
a168702a GM |
746 | break; |
747 | ||
748 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 749 | tty_highlight_if_desired (tty); |
a168702a GM |
750 | turn_on_face (f, face_id); |
751 | ||
5c5cdd39 | 752 | if (n == stringlen) |
288d5132 KH |
753 | /* This is the last run. */ |
754 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
755 | conversion_buffer = encode_terminal_code (string, n, coding); | |
756 | if (coding->produced > 0) | |
08a24c47 | 757 | { |
1a935bfd | 758 | BLOCK_INPUT; |
fad2f685 KL |
759 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
760 | if (ferror (tty->output)) | |
761 | clearerr (tty->output); | |
762 | if (tty->termscript) | |
763 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 764 | UNBLOCK_INPUT; |
08a24c47 | 765 | } |
288d5132 | 766 | string += n; |
a168702a GM |
767 | |
768 | /* Turn appearance modes off. */ | |
769 | turn_off_face (f, face_id); | |
ed8dad6b | 770 | tty_turn_off_highlight (tty); |
a4decb7f | 771 | } |
177c0ea7 | 772 | |
6548cf00 | 773 | cmcheckmagic (tty); |
08a24c47 JB |
774 | } |
775 | ||
b870aa61 SM |
776 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
777 | ||
7be1c21a | 778 | static void |
d3da34e0 JB |
779 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
780 | register int len, register int face_id) | |
e882229c | 781 | { |
e882229c NR |
782 | unsigned char *conversion_buffer; |
783 | struct coding_system *coding; | |
784 | ||
7be1c21a MB |
785 | struct tty_display_info *tty = FRAME_TTY (f); |
786 | ||
787 | tty_turn_off_insert (tty); | |
788 | tty_hide_cursor (tty); | |
e882229c NR |
789 | |
790 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
791 | since that would scroll the whole frame on some terminals. */ | |
792 | ||
7be1c21a MB |
793 | if (AutoWrap (tty) |
794 | && curY (tty) + 1 == FRAME_LINES (f) | |
795 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
796 | len --; |
797 | if (len <= 0) | |
798 | return; | |
799 | ||
7be1c21a | 800 | cmplus (tty, len); |
e882229c NR |
801 | |
802 | /* If terminal_coding does any conversion, use it, otherwise use | |
803 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
804 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
805 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
806 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
807 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
808 | the tail. */ | |
809 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
810 | ||
e882229c | 811 | /* Turn appearance modes of the face. */ |
7be1c21a | 812 | tty_highlight_if_desired (tty); |
e882229c NR |
813 | turn_on_face (f, face_id); |
814 | ||
815 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
816 | conversion_buffer = encode_terminal_code (string, len, coding); | |
817 | if (coding->produced > 0) | |
818 | { | |
819 | BLOCK_INPUT; | |
7be1c21a MB |
820 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
821 | if (ferror (tty->output)) | |
822 | clearerr (tty->output); | |
823 | if (tty->termscript) | |
824 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
825 | UNBLOCK_INPUT; |
826 | } | |
827 | ||
828 | /* Turn appearance modes off. */ | |
829 | turn_off_face (f, face_id); | |
7be1c21a | 830 | tty_turn_off_highlight (tty); |
e882229c | 831 | |
7be1c21a | 832 | cmcheckmagic (tty); |
e882229c | 833 | } |
b870aa61 | 834 | #endif |
e882229c | 835 | |
da8e1115 | 836 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 837 | |
ed8dad6b | 838 | static void |
385ed61f | 839 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
840 | { |
841 | char *buf; | |
6bbd7a29 | 842 | struct glyph *glyph = NULL; |
af645abf KH |
843 | unsigned char *conversion_buffer; |
844 | unsigned char space[1]; | |
845 | struct coding_system *coding; | |
08a24c47 | 846 | |
3224dac1 | 847 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 848 | |
fca177d4 | 849 | if (tty->TS_ins_multi_chars) |
08a24c47 | 850 | { |
50938595 | 851 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 852 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 853 | xfree (buf); |
08a24c47 | 854 | if (start) |
385ed61f | 855 | write_glyphs (f, start, len); |
08a24c47 JB |
856 | return; |
857 | } | |
858 | ||
ed8dad6b | 859 | tty_turn_on_insert (tty); |
6548cf00 | 860 | cmplus (tty, len); |
288d5132 KH |
861 | |
862 | if (! start) | |
863 | space[0] = SPACEGLYPH; | |
864 | ||
865 | /* If terminal_coding does any conversion, use it, otherwise use | |
866 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
867 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
868 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
869 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
870 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
871 | the tail. */ | |
872 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
873 | ||
07109bf9 | 874 | while (len-- > 0) |
08a24c47 | 875 | { |
fca177d4 | 876 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 877 | if (!start) |
32de38e4 | 878 | { |
288d5132 KH |
879 | conversion_buffer = space; |
880 | coding->produced = 1; | |
32de38e4 | 881 | } |
08a24c47 | 882 | else |
08a24c47 | 883 | { |
ed8dad6b | 884 | tty_highlight_if_desired (tty); |
32de38e4 | 885 | turn_on_face (f, start->face_id); |
816be8b8 | 886 | glyph = start; |
a168702a | 887 | ++start; |
a4decb7f KH |
888 | /* We must open sufficient space for a character which |
889 | occupies more than one column. */ | |
a168702a | 890 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 891 | { |
fca177d4 | 892 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
893 | start++, len--; |
894 | } | |
288d5132 KH |
895 | |
896 | if (len <= 0) | |
897 | /* This is the last glyph. */ | |
898 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
899 | ||
fad2f685 | 900 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 901 | } |
a4decb7f | 902 | |
288d5132 | 903 | if (coding->produced > 0) |
08a24c47 | 904 | { |
1a935bfd | 905 | BLOCK_INPUT; |
fad2f685 | 906 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
907 | if (ferror (tty->output)) |
908 | clearerr (tty->output); | |
909 | if (tty->termscript) | |
fad2f685 | 910 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 911 | UNBLOCK_INPUT; |
08a24c47 JB |
912 | } |
913 | ||
fca177d4 | 914 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 915 | if (start) |
65aa5e85 GM |
916 | { |
917 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 918 | tty_turn_off_highlight (tty); |
65aa5e85 | 919 | } |
9a6b6f92 | 920 | } |
177c0ea7 | 921 | |
6548cf00 | 922 | cmcheckmagic (tty); |
08a24c47 JB |
923 | } |
924 | ||
da8e1115 KL |
925 | /* An implementation of delete_glyphs for termcap frames. */ |
926 | ||
ed8dad6b | 927 | static void |
385ed61f | 928 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
929 | { |
930 | char *buf; | |
931 | register int i; | |
932 | ||
3224dac1 | 933 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 934 | |
fca177d4 | 935 | if (tty->delete_in_insert_mode) |
08a24c47 | 936 | { |
ed8dad6b | 937 | tty_turn_on_insert (tty); |
08a24c47 JB |
938 | } |
939 | else | |
940 | { | |
ed8dad6b | 941 | tty_turn_off_insert (tty); |
fca177d4 | 942 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
943 | } |
944 | ||
fca177d4 | 945 | if (tty->TS_del_multi_chars) |
08a24c47 | 946 | { |
50938595 | 947 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 948 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 949 | xfree (buf); |
08a24c47 JB |
950 | } |
951 | else | |
952 | for (i = 0; i < n; i++) | |
fca177d4 KL |
953 | OUTPUT1 (tty, tty->TS_del_char); |
954 | if (!tty->delete_in_insert_mode) | |
955 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
956 | } |
957 | \f | |
da8e1115 | 958 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 959 | |
ed8dad6b | 960 | static void |
385ed61f | 961 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 962 | { |
3224dac1 | 963 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
964 | const char *multi = |
965 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
966 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
967 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
968 | |
969 | register int i = n > 0 ? n : -n; | |
970 | register char *buf; | |
971 | ||
08a24c47 JB |
972 | /* If the lines below the insertion are being pushed |
973 | into the end of the window, this is the same as clearing; | |
974 | and we know the lines are already clear, since the matching | |
975 | deletion has already been done. So can ignore this. */ | |
976 | /* If the lines below the deletion are blank lines coming | |
977 | out of the end of the window, don't bother, | |
978 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
979 | if (FRAME_SCROLL_REGION_OK (f) |
980 | && vpos + i >= tty->specified_window) | |
08a24c47 | 981 | return; |
3224dac1 KL |
982 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
983 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 984 | return; |
f4d953fc | 985 | |
08a24c47 JB |
986 | if (multi) |
987 | { | |
6839f1e2 | 988 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 989 | tty_background_highlight (tty); |
50938595 | 990 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 991 | OUTPUT (tty, buf); |
9ac0d9e0 | 992 | xfree (buf); |
08a24c47 JB |
993 | } |
994 | else if (single) | |
995 | { | |
6839f1e2 | 996 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 997 | tty_background_highlight (tty); |
08a24c47 | 998 | while (--i >= 0) |
3224dac1 KL |
999 | OUTPUT (tty, single); |
1000 | if (tty->TF_teleray) | |
1001 | curX (tty) = 0; | |
08a24c47 JB |
1002 | } |
1003 | else | |
1004 | { | |
ed8dad6b | 1005 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1006 | if (n < 0) |
6839f1e2 | 1007 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1008 | else |
6839f1e2 | 1009 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1010 | tty_background_highlight (tty); |
08a24c47 | 1011 | while (--i >= 0) |
3224dac1 | 1012 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1013 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1014 | } |
f4d953fc | 1015 | |
3224dac1 KL |
1016 | if (!FRAME_SCROLL_REGION_OK (f) |
1017 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1018 | && n < 0) | |
08a24c47 | 1019 | { |
385ed61f KL |
1020 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1021 | clear_to_end (f); | |
08a24c47 JB |
1022 | } |
1023 | } | |
1024 | \f | |
1025 | /* Compute cost of sending "str", in characters, | |
1026 | not counting any line-dependent padding. */ | |
1027 | ||
1028 | int | |
8ea90aa3 | 1029 | string_cost (const char *str) |
08a24c47 JB |
1030 | { |
1031 | cost = 0; | |
1032 | if (str) | |
1033 | tputs (str, 0, evalcost); | |
1034 | return cost; | |
1035 | } | |
1036 | ||
1037 | /* Compute cost of sending "str", in characters, | |
1038 | counting any line-dependent padding at one line. */ | |
1039 | ||
1040 | static int | |
8ea90aa3 | 1041 | string_cost_one_line (const char *str) |
08a24c47 JB |
1042 | { |
1043 | cost = 0; | |
1044 | if (str) | |
1045 | tputs (str, 1, evalcost); | |
1046 | return cost; | |
1047 | } | |
1048 | ||
1049 | /* Compute per line amount of line-dependent padding, | |
1050 | in tenths of characters. */ | |
1051 | ||
1052 | int | |
8ea90aa3 | 1053 | per_line_cost (const char *str) |
08a24c47 JB |
1054 | { |
1055 | cost = 0; | |
1056 | if (str) | |
1057 | tputs (str, 0, evalcost); | |
1058 | cost = - cost; | |
1059 | if (str) | |
1060 | tputs (str, 10, evalcost); | |
1061 | return cost; | |
1062 | } | |
1063 | ||
08a24c47 | 1064 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1065 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1066 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1067 | |
1068 | int *char_ins_del_vector; | |
1069 | ||
9882535b | 1070 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1071 | |
1072 | /* ARGSUSED */ | |
1073 | static void | |
6839f1e2 | 1074 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1075 | { |
28d7d09f | 1076 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1077 | int ins_startup_cost, del_startup_cost; |
1078 | int ins_cost_per_char, del_cost_per_char; | |
1079 | register int i; | |
1080 | register int *p; | |
1081 | ||
fca177d4 | 1082 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1083 | { |
1084 | ins_cost_per_char = 0; | |
fca177d4 | 1085 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1086 | } |
fca177d4 KL |
1087 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1088 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1089 | { |
fca177d4 KL |
1090 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1091 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1092 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1093 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1094 | } |
1095 | else | |
1096 | { | |
1097 | ins_startup_cost = 9999; | |
1098 | ins_cost_per_char = 0; | |
1099 | } | |
1100 | ||
fca177d4 | 1101 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1102 | { |
1103 | del_cost_per_char = 0; | |
fca177d4 | 1104 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1105 | } |
fca177d4 | 1106 | else if (tty->TS_del_char) |
08a24c47 | 1107 | { |
fca177d4 KL |
1108 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1109 | + string_cost (tty->TS_end_delete_mode)); | |
1110 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1111 | del_startup_cost /= 2; |
fca177d4 | 1112 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1113 | } |
1114 | else | |
1115 | { | |
1116 | del_startup_cost = 9999; | |
1117 | del_cost_per_char = 0; | |
1118 | } | |
1119 | ||
1120 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1121 | p = &char_ins_del_cost (f)[0]; |
1122 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1123 | *--p = (del_startup_cost += del_cost_per_char); |
1124 | ||
1125 | /* Doing nothing is free */ | |
fca177d4 | 1126 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1127 | *p++ = 0; |
1128 | ||
1129 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1130 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1131 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1132 | } | |
1133 | ||
dfcf069d | 1134 | void |
6839f1e2 | 1135 | calculate_costs (struct frame *frame) |
08a24c47 | 1136 | { |
9f732a77 | 1137 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1138 | |
28d440ab | 1139 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1140 | { |
1141 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1142 | register const char *f = (tty->TS_set_scroll_region |
1143 | ? tty->TS_set_scroll_region | |
1144 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1145 | |
daf01701 | 1146 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1147 | |
daf01701 | 1148 | tty->costs_set = 1; |
08a24c47 | 1149 | |
daf01701 KL |
1150 | /* These variables are only used for terminal stuff. They are |
1151 | allocated once for the terminal frame of X-windows emacs, but not | |
1152 | used afterwards. | |
8dd0c7cb | 1153 | |
daf01701 KL |
1154 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1155 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1156 | |
daf01701 | 1157 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1158 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1159 | < max_frame_cols) | |
fee31f82 | 1160 | memory_full (SIZE_MAX); |
08a24c47 | 1161 | |
0065d054 PE |
1162 | char_ins_del_vector = |
1163 | xrealloc (char_ins_del_vector, | |
1164 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1165 | |
72af86bd | 1166 | memset (char_ins_del_vector, 0, |
0065d054 | 1167 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1168 | |
daf01701 KL |
1169 | |
1170 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1171 | do_line_insertion_deletion_costs (frame, | |
1172 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1173 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1174 | f, f, 1); | |
1175 | else | |
1176 | do_line_insertion_deletion_costs (frame, | |
1177 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1178 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1179 | 0, 0, 1); | |
1180 | ||
1181 | calculate_ins_del_char_costs (frame); | |
1182 | ||
1183 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1184 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1185 | tty->RPov = string_cost (tty->TS_repeat); | |
1186 | else | |
1187 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1188 | |
daf01701 KL |
1189 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1190 | } | |
08a24c47 JB |
1191 | } |
1192 | \f | |
a796ac82 | 1193 | struct fkey_table { |
fbceeba2 | 1194 | const char *cap, *name; |
a796ac82 JB |
1195 | }; |
1196 | ||
01d8deb0 ER |
1197 | /* Termcap capability names that correspond directly to X keysyms. |
1198 | Some of these (marked "terminfo") aren't supplied by old-style | |
1199 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1200 | except we put the keypad keys first, so that if they clash with | |
1201 | other keys (as on the IBM PC keyboard) they get overridden. | |
1202 | */ | |
1203 | ||
648801d1 | 1204 | static const struct fkey_table keys[] = |
a168702a | 1205 | { |
8103ad1a PJ |
1206 | {"kh", "home"}, /* termcap */ |
1207 | {"kl", "left"}, /* termcap */ | |
1208 | {"ku", "up"}, /* termcap */ | |
1209 | {"kr", "right"}, /* termcap */ | |
1210 | {"kd", "down"}, /* termcap */ | |
1211 | {"%8", "prior"}, /* terminfo */ | |
1212 | {"%5", "next"}, /* terminfo */ | |
1213 | {"@7", "end"}, /* terminfo */ | |
1214 | {"@1", "begin"}, /* terminfo */ | |
1215 | {"*6", "select"}, /* terminfo */ | |
1216 | {"%9", "print"}, /* terminfo */ | |
1217 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1218 | /* |
1219 | * "insert" --- see below | |
1220 | */ | |
8103ad1a PJ |
1221 | {"&8", "undo"}, /* terminfo */ |
1222 | {"%0", "redo"}, /* terminfo */ | |
1223 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1224 | {"@0", "find"}, /* terminfo */ | |
1225 | {"@2", "cancel"}, /* terminfo */ | |
1226 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1227 | /* |
1228 | * "break" goes here, but can't be reliably intercepted with termcap | |
1229 | */ | |
8103ad1a | 1230 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1231 | /* |
1232 | * "system" and "user" --- no termcaps | |
1233 | */ | |
8103ad1a PJ |
1234 | {"kE", "clearline"}, /* terminfo */ |
1235 | {"kA", "insertline"}, /* terminfo */ | |
1236 | {"kL", "deleteline"}, /* terminfo */ | |
1237 | {"kI", "insertchar"}, /* terminfo */ | |
1238 | {"kD", "deletechar"}, /* terminfo */ | |
1239 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1240 | /* |
1241 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1242 | */ | |
8103ad1a | 1243 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1244 | /* |
1245 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1246 | * "kp-multiply", "kp-add", "kp-separator", | |
1247 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1248 | * --- no termcaps for any of these. | |
1249 | */ | |
8103ad1a | 1250 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1251 | /* |
1252 | * "kp-2" --- no termcap | |
1253 | */ | |
8103ad1a | 1254 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1255 | /* |
1256 | * "kp-4" --- no termcap | |
1257 | */ | |
8103ad1a | 1258 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1259 | /* |
1260 | * "kp-6" --- no termcap | |
1261 | */ | |
8103ad1a | 1262 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1263 | /* |
1264 | * "kp-8" --- no termcap | |
1265 | */ | |
8103ad1a | 1266 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1267 | /* |
1268 | * "kp-equal" --- no termcap | |
1269 | */ | |
8103ad1a PJ |
1270 | {"k1", "f1"}, |
1271 | {"k2", "f2"}, | |
1272 | {"k3", "f3"}, | |
1273 | {"k4", "f4"}, | |
1274 | {"k5", "f5"}, | |
1275 | {"k6", "f6"}, | |
1276 | {"k7", "f7"}, | |
1277 | {"k8", "f8"}, | |
60ec7b7e DN |
1278 | {"k9", "f9"}, |
1279 | ||
1280 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1281 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1282 | {"*0", "S-find"}, /*shifted find key*/ | |
1283 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1284 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1285 | {"*7", "S-end"}, /*shifted end key*/ | |
1286 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1287 | {"#1", "S-help"}, /*shifted help key*/ | |
1288 | {"#2", "S-home"}, /*shifted home key*/ | |
1289 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1290 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1291 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1292 | {"%c", "S-next"}, /*shifted next key*/ | |
1293 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1294 | {"%f", "S-print"}, /*shifted print key*/ | |
1295 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1296 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1297 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1298 | }; |
1299 | ||
361358ea | 1300 | #ifndef DOS_NT |
e7cf0fa0 KL |
1301 | static char **term_get_fkeys_address; |
1302 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1303 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1304 | |
4f4a84ec | 1305 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1306 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1307 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1308 | |
ed8dad6b | 1309 | static void |
d3da34e0 | 1310 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1311 | { |
1312 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1313 | errors during the call. The only errors should be from Fdefine_key | |
1314 | when given a key sequence containing an invalid prefix key. If the | |
1315 | termcap defines function keys which use a prefix that is already bound | |
1316 | to a command by the default bindings, we should silently ignore that | |
1317 | function key specification, rather than giving the user an error and | |
1318 | refusing to run at all on such a terminal. */ | |
1319 | ||
e7cf0fa0 KL |
1320 | term_get_fkeys_address = address; |
1321 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1322 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1323 | } | |
1324 | ||
1325 | static Lisp_Object | |
d3da34e0 | 1326 | term_get_fkeys_1 (void) |
5c2c7893 | 1327 | { |
5c2c7893 JB |
1328 | int i; |
1329 | ||
e7cf0fa0 KL |
1330 | char **address = term_get_fkeys_address; |
1331 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1332 | |
3e65092f | 1333 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1334 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1335 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1336 | |
5c2c7893 JB |
1337 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1338 | { | |
1339 | char *sequence = tgetstr (keys[i].cap, address); | |
1340 | if (sequence) | |
1344aad4 | 1341 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1342 | Fmake_vector (make_number (1), |
1343 | intern (keys[i].name))); | |
5c2c7893 | 1344 | } |
a796ac82 JB |
1345 | |
1346 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1347 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1348 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1349 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1350 | */ | |
1351 | { | |
fbceeba2 PE |
1352 | const char *k_semi = tgetstr ("k;", address); |
1353 | const char *k0 = tgetstr ("k0", address); | |
1354 | const char *k0_name = "f10"; | |
a796ac82 JB |
1355 | |
1356 | if (k_semi) | |
1357 | { | |
95c11956 SM |
1358 | if (k0) |
1359 | /* Define f0 first, so that f10 takes precedence in case the | |
1360 | key sequences happens to be the same. */ | |
1344aad4 | 1361 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1362 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1363 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1364 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1365 | } |
95c11956 | 1366 | else if (k0) |
1344aad4 | 1367 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1368 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1369 | } |
01d8deb0 ER |
1370 | |
1371 | /* Set up cookies for numbered function keys above f10. */ | |
1372 | { | |
1373 | char fcap[3], fkey[4]; | |
1374 | ||
fc4f24da | 1375 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1376 | for (i = 11; i < 64; i++) |
1377 | { | |
1378 | if (i <= 19) | |
1379 | fcap[1] = '1' + i - 11; | |
1380 | else if (i <= 45) | |
b59ab95c | 1381 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1382 | else |
b59ab95c | 1383 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1384 | |
fc4f24da RS |
1385 | { |
1386 | char *sequence = tgetstr (fcap, address); | |
1387 | if (sequence) | |
1388 | { | |
465db27b | 1389 | sprintf (fkey, "f%d", i); |
1344aad4 | 1390 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1391 | Fmake_vector (make_number (1), |
1392 | intern (fkey))); | |
fc4f24da RS |
1393 | } |
1394 | } | |
01d8deb0 ER |
1395 | } |
1396 | } | |
1397 | ||
1398 | /* | |
1399 | * Various mappings to try and get a better fit. | |
1400 | */ | |
1401 | { | |
fc4f24da RS |
1402 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1403 | if (!tgetstr (cap1, address)) \ | |
1404 | { \ | |
1405 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1406 | if (sequence) \ |
1344aad4 | 1407 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1408 | Fmake_vector (make_number (1), \ |
1409 | intern (sym))); \ | |
fc4f24da | 1410 | } |
177c0ea7 | 1411 | |
01d8deb0 | 1412 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1413 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1414 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1415 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1416 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1417 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1418 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1419 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1420 | |
1421 | /* IBM has their own non-standard dialect of terminfo. | |
1422 | If the standard name isn't found, try the IBM name. */ | |
1423 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1424 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1425 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1426 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1427 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1428 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1429 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1430 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1431 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1432 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1433 | } |
a168702a GM |
1434 | |
1435 | return Qnil; | |
5c2c7893 | 1436 | } |
361358ea | 1437 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1438 | |
1439 | \f | |
a168702a GM |
1440 | /*********************************************************************** |
1441 | Character Display Information | |
1442 | ***********************************************************************/ | |
f57e2426 | 1443 | static void append_glyph (struct it *); |
f57e2426 J |
1444 | static void append_composite_glyph (struct it *); |
1445 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1446 | static void append_glyphless_glyph (struct it *, int, const char *); |
b18fad6d | 1447 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); |
a168702a GM |
1448 | |
1449 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1450 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1451 | the character for which to produce glyphs; IT->face_id contains the | |
1452 | character's face. Padding glyphs are appended if IT->c has a | |
1453 | IT->pixel_width > 1. */ | |
177c0ea7 | 1454 | |
a168702a | 1455 | static void |
d3da34e0 | 1456 | append_glyph (struct it *it) |
a168702a GM |
1457 | { |
1458 | struct glyph *glyph, *end; | |
1459 | int i; | |
1460 | ||
a54e2c05 | 1461 | eassert (it->glyph_row); |
a168702a GM |
1462 | glyph = (it->glyph_row->glyphs[it->area] |
1463 | + it->glyph_row->used[it->area]); | |
1464 | end = it->glyph_row->glyphs[1 + it->area]; | |
1465 | ||
5e65aec0 EZ |
1466 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1467 | than append it. */ | |
1468 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1469 | { | |
1470 | struct glyph *g; | |
1471 | int move_by = it->pixel_width; | |
1472 | ||
1473 | /* Make room for the new glyphs. */ | |
1474 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1475 | move_by = end - glyph; | |
1476 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1477 | g[move_by] = *g; | |
1478 | glyph = it->glyph_row->glyphs[it->area]; | |
1479 | end = glyph + move_by; | |
1480 | } | |
1481 | ||
1482 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1483 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1484 | identical, and (b) the PADDING_P flag needs to be set for the | |
1485 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1486 | for (i = 0; |
1487 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1488 | ++i) |
1489 | { | |
1490 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1491 | glyph->pixel_width = 1; |
d2b4c17d | 1492 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1493 | glyph->face_id = it->face_id; |
1494 | glyph->padding_p = i > 0; | |
a168702a GM |
1495 | glyph->charpos = CHARPOS (it->position); |
1496 | glyph->object = it->object; | |
5e65aec0 EZ |
1497 | if (it->bidi_p) |
1498 | { | |
1499 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1500 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1501 | emacs_abort (); |
5e65aec0 EZ |
1502 | glyph->bidi_type = it->bidi_it.type; |
1503 | } | |
9443b3c7 EZ |
1504 | else |
1505 | { | |
1506 | glyph->resolved_level = 0; | |
1507 | glyph->bidi_type = UNKNOWN_BT; | |
1508 | } | |
177c0ea7 | 1509 | |
a168702a GM |
1510 | ++it->glyph_row->used[it->area]; |
1511 | ++glyph; | |
1512 | } | |
1513 | } | |
1514 | ||
148ae00e EZ |
1515 | /* For external use. */ |
1516 | void | |
1517 | tty_append_glyph (struct it *it) | |
1518 | { | |
1519 | append_glyph (it); | |
1520 | } | |
1521 | ||
1522 | ||
b50fe468 RS |
1523 | /* Produce glyphs for the display element described by IT. *IT |
1524 | specifies what we want to produce a glyph for (character, image, ...), | |
1525 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1526 | produce_glyphs fills in output fields of *IT with information such as the | |
1527 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1528 | the same time if IT->glyph_row is non-null. For an overview, see |
1529 | the explanation in dispextern.h, before the definition of the | |
1530 | display_element_type enumeration. | |
b50fe468 RS |
1531 | |
1532 | produce_glyphs also stores the result of glyph width, ascent | |
1533 | etc. computations in *IT. | |
1534 | ||
1535 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1536 | actually fill in the glyphs. This is used in the move_* functions | |
1537 | in xdisp.c for text width and height computations. | |
1538 | ||
1539 | Callers usually don't call produce_glyphs directly; | |
1540 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1541 | |
177c0ea7 | 1542 | void |
d3da34e0 | 1543 | produce_glyphs (struct it *it) |
a168702a GM |
1544 | { |
1545 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1546 | |
1547 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1548 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1549 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1550 | || it->what == IT_STRETCH |
1551 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1552 | |
6b61353c KH |
1553 | if (it->what == IT_STRETCH) |
1554 | { | |
1555 | produce_stretch_glyph (it); | |
1556 | goto done; | |
1557 | } | |
1558 | ||
4c12d738 KH |
1559 | if (it->what == IT_COMPOSITION) |
1560 | { | |
1561 | produce_composite_glyph (it); | |
1562 | goto done; | |
1563 | } | |
a168702a | 1564 | |
b18fad6d KH |
1565 | if (it->what == IT_GLYPHLESS) |
1566 | { | |
1567 | produce_glyphless_glyph (it, 0, Qnil); | |
1568 | goto done; | |
1569 | } | |
1570 | ||
d419e1d9 | 1571 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1572 | { |
1573 | it->pixel_width = it->nglyphs = 1; | |
1574 | if (it->glyph_row) | |
1575 | append_glyph (it); | |
1576 | } | |
d419e1d9 | 1577 | else if (it->char_to_display == '\n') |
a168702a | 1578 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1579 | else if (it->char_to_display == '\t') |
a168702a | 1580 | { |
2efdbcdd | 1581 | int absolute_x = (it->current_x |
a168702a | 1582 | + it->continuation_lines_width); |
177c0ea7 JB |
1583 | int next_tab_x |
1584 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1585 | / it->tab_width) |
1586 | * it->tab_width); | |
1587 | int nspaces; | |
1588 | ||
1589 | /* If part of the TAB has been displayed on the previous line | |
1590 | which is continued now, continuation_lines_width will have | |
1591 | been incremented already by the part that fitted on the | |
1592 | continued line. So, we will get the right number of spaces | |
1593 | here. */ | |
1594 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1595 | |
a168702a GM |
1596 | if (it->glyph_row) |
1597 | { | |
1598 | int n = nspaces; | |
177c0ea7 | 1599 | |
d2b4c17d | 1600 | it->char_to_display = ' '; |
a168702a | 1601 | it->pixel_width = it->len = 1; |
177c0ea7 | 1602 | |
a168702a GM |
1603 | while (n--) |
1604 | append_glyph (it); | |
a168702a GM |
1605 | } |
1606 | ||
1607 | it->pixel_width = nspaces; | |
1608 | it->nglyphs = nspaces; | |
1609 | } | |
d419e1d9 | 1610 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1611 | { |
d419e1d9 KH |
1612 | /* Coming here means that we must send the raw 8-bit byte as is |
1613 | to the terminal. Although there's no way to know how many | |
1614 | columns it occupies on a screen, it is a good assumption that | |
1615 | a single byte code has 1-column width. */ | |
1616 | it->pixel_width = it->nglyphs = 1; | |
1617 | if (it->glyph_row) | |
1618 | append_glyph (it); | |
add44890 | 1619 | } |
a168702a GM |
1620 | else |
1621 | { | |
b18fad6d | 1622 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1623 | |
b18fad6d KH |
1624 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1625 | { | |
1626 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1627 | it->nglyphs = it->pixel_width; | |
1628 | if (it->glyph_row) | |
1629 | append_glyph (it); | |
1630 | } | |
1631 | else | |
1632 | { | |
1633 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1634 | ||
a54e2c05 | 1635 | eassert (it->what == IT_GLYPHLESS); |
b18fad6d KH |
1636 | produce_glyphless_glyph (it, 1, acronym); |
1637 | } | |
a168702a GM |
1638 | } |
1639 | ||
6b61353c | 1640 | done: |
177c0ea7 | 1641 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1642 | the caller. */ |
1643 | if (it->area == TEXT_AREA) | |
1644 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1645 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1646 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1647 | } |
1648 | ||
4c12d738 KH |
1649 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1650 | Called from produce_composite_glyph for terminal frames if | |
1651 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1652 | face. */ | |
1653 | ||
1654 | static void | |
d3da34e0 | 1655 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1656 | { |
1657 | struct glyph *glyph; | |
1658 | ||
a54e2c05 | 1659 | eassert (it->glyph_row); |
4c12d738 KH |
1660 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1661 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1662 | { | |
93d68d0c EZ |
1663 | /* If the glyph row is reversed, we need to prepend the glyph |
1664 | rather than append it. */ | |
1665 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1666 | { | |
1667 | struct glyph *g; | |
1668 | ||
1669 | /* Make room for the new glyph. */ | |
1670 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1671 | g[1] = *g; | |
1672 | glyph = it->glyph_row->glyphs[it->area]; | |
1673 | } | |
4c12d738 KH |
1674 | glyph->type = COMPOSITE_GLYPH; |
1675 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1676 | glyph->u.cmp.id = it->cmp_it.id; |
1677 | if (it->cmp_it.ch < 0) | |
1678 | { | |
1679 | glyph->u.cmp.automatic = 0; | |
1680 | glyph->u.cmp.id = it->cmp_it.id; | |
1681 | } | |
1682 | else | |
1683 | { | |
1684 | glyph->u.cmp.automatic = 1; | |
1685 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1686 | glyph->slice.cmp.from = it->cmp_it.from; |
1687 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1688 | } |
1689 | ||
4c12d738 KH |
1690 | glyph->face_id = it->face_id; |
1691 | glyph->padding_p = 0; | |
1692 | glyph->charpos = CHARPOS (it->position); | |
1693 | glyph->object = it->object; | |
93d68d0c EZ |
1694 | if (it->bidi_p) |
1695 | { | |
1696 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1697 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1698 | emacs_abort (); |
93d68d0c EZ |
1699 | glyph->bidi_type = it->bidi_it.type; |
1700 | } | |
1701 | else | |
1702 | { | |
1703 | glyph->resolved_level = 0; | |
1704 | glyph->bidi_type = UNKNOWN_BT; | |
1705 | } | |
4c12d738 KH |
1706 | |
1707 | ++it->glyph_row->used[it->area]; | |
1708 | ++glyph; | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | ||
1713 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1714 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1715 | assuming that the terminal has a capability to layout/render it |
1716 | correctly. */ | |
4c12d738 KH |
1717 | |
1718 | static void | |
d3da34e0 | 1719 | produce_composite_glyph (struct it *it) |
4c12d738 | 1720 | { |
75a10786 KH |
1721 | if (it->cmp_it.ch < 0) |
1722 | { | |
1723 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1724 | ||
d0984aff | 1725 | it->pixel_width = cmp->width; |
75a10786 KH |
1726 | } |
1727 | else | |
1728 | { | |
1729 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1730 | |
75a10786 KH |
1731 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1732 | it->cmp_it.to, NULL); | |
1733 | } | |
1734 | it->nglyphs = 1; | |
4c12d738 KH |
1735 | if (it->glyph_row) |
1736 | append_composite_glyph (it); | |
1737 | } | |
1738 | ||
1739 | ||
b18fad6d | 1740 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1741 | is a face ID to be used for the glyph. What is actually appended |
1742 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1743 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1744 | |
1745 | static void | |
fbceeba2 | 1746 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1747 | { |
1748 | struct glyph *glyph, *end; | |
b18fad6d KH |
1749 | int i; |
1750 | ||
a54e2c05 | 1751 | eassert (it->glyph_row); |
b18fad6d KH |
1752 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1753 | end = it->glyph_row->glyphs[1 + it->area]; | |
1754 | ||
1755 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1756 | than append it. */ | |
1757 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1758 | { | |
1759 | struct glyph *g; | |
1760 | int move_by = it->pixel_width; | |
1761 | ||
1762 | /* Make room for the new glyphs. */ | |
1763 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1764 | move_by = end - glyph; | |
1765 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1766 | g[move_by] = *g; | |
1767 | glyph = it->glyph_row->glyphs[it->area]; | |
1768 | end = glyph + move_by; | |
1769 | } | |
1770 | ||
1771 | if (glyph >= end) | |
1772 | return; | |
1773 | glyph->type = CHAR_GLYPH; | |
1774 | glyph->pixel_width = 1; | |
1775 | glyph->face_id = face_id; | |
1776 | glyph->padding_p = 0; | |
1777 | glyph->charpos = CHARPOS (it->position); | |
1778 | glyph->object = it->object; | |
1779 | if (it->bidi_p) | |
1780 | { | |
1781 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1782 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1783 | emacs_abort (); |
b18fad6d KH |
1784 | glyph->bidi_type = it->bidi_it.type; |
1785 | } | |
1786 | else | |
1787 | { | |
1788 | glyph->resolved_level = 0; | |
1789 | glyph->bidi_type = UNKNOWN_BT; | |
1790 | } | |
1791 | ||
1792 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1793 | the REVERSED_P case because we write to the terminal | |
1794 | left-to-right. */ | |
1795 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1796 | { | |
1797 | if (i > 0) | |
1798 | glyph[0] = glyph[-1]; | |
1799 | glyph->u.ch = str[i]; | |
1800 | ++it->glyph_row->used[it->area]; | |
1801 | ++glyph; | |
1802 | } | |
1803 | } | |
1804 | ||
b18fad6d KH |
1805 | /* Produce glyphs for a glyphless character for iterator IT. |
1806 | IT->glyphless_method specifies which method to use for displaying | |
1807 | the character. See the description of enum | |
0eb025fb | 1808 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1809 | |
1810 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
22bcf204 | 1811 | is not supported by the coding system of the terminal. ACRONYM, if |
b18fad6d KH |
1812 | non-nil, is an acronym string for the character. |
1813 | ||
1814 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1815 | ||
1816 | static void | |
1817 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1818 | { | |
1819 | int face_id; | |
0eb025fb | 1820 | int len; |
80f2e268 | 1821 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1822 | char const *str = " "; |
b18fad6d KH |
1823 | |
1824 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1825 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1826 | if (it->f == last_glyphless_glyph_frame |
1827 | && it->face_id == last_glyphless_glyph_face_id) | |
1828 | { | |
1829 | face_id = last_glyphless_glyph_merged_face_id; | |
1830 | } | |
1831 | else | |
1832 | { | |
1833 | /* Merge the `glyphless-char' face into the current face. */ | |
1834 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1835 | last_glyphless_glyph_frame = it->f; | |
1836 | last_glyphless_glyph_face_id = it->face_id; | |
1837 | last_glyphless_glyph_merged_face_id = face_id; | |
1838 | } | |
1839 | ||
1840 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1841 | { | |
0eb025fb EZ |
1842 | /* As there's no way to produce a thin space, we produce a space |
1843 | of canonical width. */ | |
b18fad6d KH |
1844 | len = 1; |
1845 | } | |
1846 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1847 | { | |
1848 | len = CHAR_WIDTH (it->c); | |
1849 | if (len == 0) | |
1850 | len = 1; | |
0eb025fb | 1851 | else if (len > 4) |
b18fad6d | 1852 | len = 4; |
99027bdd | 1853 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1854 | str = buf; |
b18fad6d KH |
1855 | } |
1856 | else | |
1857 | { | |
1858 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1859 | { | |
b18fad6d KH |
1860 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1861 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1862 | if (CONSP (acronym)) |
1863 | acronym = XCDR (acronym); | |
b18fad6d | 1864 | buf[0] = '['; |
51b59d79 | 1865 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1866 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1867 | buf[1 + len] = str[len]; | |
1868 | buf[1 + len] = ']'; | |
1869 | len += 2; | |
1870 | } | |
1871 | else | |
1872 | { | |
a54e2c05 | 1873 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1874 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1875 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1876 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1877 | } |
1878 | str = buf; | |
1879 | } | |
1880 | ||
1881 | it->pixel_width = len; | |
1882 | it->nglyphs = len; | |
d284567f | 1883 | if (it->glyph_row) |
b18fad6d KH |
1884 | append_glyphless_glyph (it, face_id, str); |
1885 | } | |
1886 | ||
a168702a GM |
1887 | \f |
1888 | /*********************************************************************** | |
1889 | Faces | |
1890 | ***********************************************************************/ | |
1891 | ||
4e6ba4a4 GM |
1892 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1893 | one of the enumerators from enum no_color_bit, or a bit set built | |
1894 | from them. Some display attributes may not be used together with | |
1895 | color; the termcap capability `NC' specifies which ones. */ | |
1896 | ||
fca177d4 KL |
1897 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1898 | (tty->TN_max_colors > 0 \ | |
1899 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1900 | : 1) | |
a168702a | 1901 | |
072d84a6 RS |
1902 | /* Turn appearances of face FACE_ID on tty frame F on. |
1903 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1904 | |
1905 | static void | |
d3da34e0 | 1906 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1907 | { |
1908 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1909 | long fg = face->foreground; |
1910 | long bg = face->background; | |
28d7d09f | 1911 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1912 | |
86a7d192 GM |
1913 | /* Do this first because TS_end_standout_mode may be the same |
1914 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1915 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1916 | { |
fca177d4 | 1917 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1918 | { |
1919 | if (fg >= 0 && bg >= 0) | |
1920 | { | |
1921 | /* If the terminal supports colors, we can set them | |
1922 | below without using reverse video. The face's fg | |
1923 | and bg colors are set as they should appear on | |
1924 | the screen, i.e. they take the inverse-video'ness | |
1925 | of the face already into account. */ | |
1926 | } | |
1927 | else if (inverse_video) | |
1928 | { | |
1929 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1930 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1931 | tty_toggle_highlight (tty); |
86a7d192 GM |
1932 | } |
1933 | else | |
1934 | { | |
1935 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1936 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1937 | tty_toggle_highlight (tty); |
86a7d192 GM |
1938 | } |
1939 | } | |
1940 | else | |
1941 | { | |
1942 | /* If we can't display colors, use reverse video | |
1943 | if the face specifies that. */ | |
37526b42 GM |
1944 | if (inverse_video) |
1945 | { | |
1946 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1947 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1948 | tty_toggle_highlight (tty); |
37526b42 GM |
1949 | } |
1950 | else | |
1951 | { | |
1952 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1953 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1954 | tty_toggle_highlight (tty); |
37526b42 | 1955 | } |
86a7d192 GM |
1956 | } |
1957 | } | |
a168702a | 1958 | |
4189ed40 CY |
1959 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1960 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1961 | ||
cd4eb164 CY |
1962 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1963 | { | |
1964 | if (tty->TS_enter_italic_mode) | |
1965 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1966 | else | |
1967 | /* Italics mode is unavailable on many terminals. In that | |
1968 | case, map slant to dimmed text; we want italic text to | |
1969 | appear different and dimming is not otherwise used. */ | |
1970 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1971 | } | |
a168702a | 1972 | |
fca177d4 KL |
1973 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1974 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1975 | |
fca177d4 | 1976 | if (tty->TN_max_colors > 0) |
a168702a | 1977 | { |
fbceeba2 PE |
1978 | const char *ts; |
1979 | char *p; | |
177c0ea7 | 1980 | |
fbf34973 | 1981 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1982 | if (fg >= 0 && ts) |
a168702a | 1983 | { |
50938595 | 1984 | p = tparam (ts, NULL, 0, (int) fg, 0, 0, 0); |
6548cf00 | 1985 | OUTPUT (tty, p); |
a168702a GM |
1986 | xfree (p); |
1987 | } | |
1988 | ||
fbf34973 | 1989 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1990 | if (bg >= 0 && ts) |
a168702a | 1991 | { |
50938595 | 1992 | p = tparam (ts, NULL, 0, (int) bg, 0, 0, 0); |
6548cf00 | 1993 | OUTPUT (tty, p); |
a168702a GM |
1994 | xfree (p); |
1995 | } | |
1996 | } | |
1997 | } | |
177c0ea7 | 1998 | |
a168702a GM |
1999 | |
2000 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2001 | ||
2002 | static void | |
d3da34e0 | 2003 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2004 | { |
2005 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2006 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2007 | |
a54e2c05 | 2008 | eassert (face != NULL); |
a168702a | 2009 | |
fca177d4 | 2010 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2011 | { |
2012 | /* Capability "me" will turn off appearance modes double-bright, | |
2013 | half-bright, reverse-video, standout, underline. It may or | |
2014 | may not turn off alt-char-mode. */ | |
2015 | if (face->tty_bold_p | |
cd4eb164 | 2016 | || face->tty_italic_p |
a168702a | 2017 | || face->tty_reverse_p |
a168702a | 2018 | || face->tty_underline_p) |
65aa5e85 | 2019 | { |
fca177d4 KL |
2020 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2021 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2022 | tty->standout_mode = 0; | |
65aa5e85 | 2023 | } |
a168702a GM |
2024 | } |
2025 | else | |
2026 | { | |
2027 | /* If we don't have "me" we can only have those appearances | |
2028 | that have exit sequences defined. */ | |
54800acb | 2029 | if (face->tty_underline_p) |
fca177d4 | 2030 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2031 | } |
2032 | ||
2033 | /* Switch back to default colors. */ | |
fca177d4 | 2034 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2035 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2036 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2037 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2038 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2039 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2040 | } |
177c0ea7 JB |
2041 | |
2042 | ||
b63a55ac MB |
2043 | /* Return non-zero if the terminal on frame F supports all of the |
2044 | capabilities in CAPS simultaneously, with foreground and background | |
2045 | colors FG and BG. */ | |
2046 | ||
4a8130f2 | 2047 | int |
d3da34e0 JB |
2048 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2049 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2050 | { |
fca177d4 KL |
2051 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2052 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2053 | return 0; |
2054 | ||
fca177d4 KL |
2055 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2056 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2057 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2058 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2059 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2060 | |
2061 | /* We can do it! */ | |
2062 | return 1; | |
2063 | } | |
2064 | ||
a168702a GM |
2065 | /* Return non-zero if the terminal is capable to display colors. */ |
2066 | ||
2067 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2068 | 0, 1, 0, |
6ed8eeff KL |
2069 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2070 | ||
401e9e57 CY |
2071 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2072 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2073 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2074 | (Lisp_Object terminal) |
a168702a | 2075 | { |
717a00ef | 2076 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2077 | if (!t) |
428a555e | 2078 | return Qnil; |
3224dac1 | 2079 | else |
6ed8eeff | 2080 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2081 | } |
2082 | ||
bfa62f96 EZ |
2083 | /* Return the number of supported colors. */ |
2084 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2085 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2086 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2087 | ||
401e9e57 CY |
2088 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2089 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2090 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2091 | (Lisp_Object terminal) |
bfa62f96 | 2092 | { |
717a00ef | 2093 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2094 | if (!t) |
8c8d5f35 | 2095 | return make_number (0); |
3224dac1 | 2096 | else |
6ed8eeff | 2097 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2098 | } |
2099 | ||
84704c5c | 2100 | #ifndef DOS_NT |
a168702a | 2101 | |
5205ee62 GM |
2102 | /* Declare here rather than in the function, as in the rest of Emacs, |
2103 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2104 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2105 | static int default_max_colors; |
2106 | static int default_max_pairs; | |
2107 | static int default_no_color_video; | |
2108 | static char *default_orig_pair; | |
2109 | static char *default_set_foreground; | |
2110 | static char *default_set_background; | |
fcf8ff2e | 2111 | |
ace28297 EZ |
2112 | /* Save or restore the default color-related capabilities of this |
2113 | terminal. */ | |
2114 | static void | |
28d7d09f | 2115 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2116 | { |
ace28297 EZ |
2117 | |
2118 | if (save) | |
2119 | { | |
70fdbb46 | 2120 | xfree (default_orig_pair); |
fca177d4 | 2121 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2122 | |
70fdbb46 | 2123 | xfree (default_set_foreground); |
fca177d4 | 2124 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2125 | : NULL; |
2126 | ||
70fdbb46 | 2127 | xfree (default_set_background); |
fca177d4 | 2128 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2129 | : NULL; |
2130 | ||
fca177d4 KL |
2131 | default_max_colors = tty->TN_max_colors; |
2132 | default_max_pairs = tty->TN_max_pairs; | |
2133 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2134 | } |
2135 | else | |
2136 | { | |
fca177d4 KL |
2137 | tty->TS_orig_pair = default_orig_pair; |
2138 | tty->TS_set_foreground = default_set_foreground; | |
2139 | tty->TS_set_background = default_set_background; | |
2140 | tty->TN_max_colors = default_max_colors; | |
2141 | tty->TN_max_pairs = default_max_pairs; | |
2142 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2143 | } |
2144 | } | |
2145 | ||
2146 | /* Setup one of the standard tty color schemes according to MODE. | |
2147 | MODE's value is generally the number of colors which we want to | |
2148 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2149 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2150 | static void |
28d7d09f | 2151 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2152 | { |
6b61353c KH |
2153 | /* Canonicalize all negative values of MODE. */ |
2154 | if (mode < -1) | |
2155 | mode = -1; | |
2156 | ||
ace28297 EZ |
2157 | switch (mode) |
2158 | { | |
2159 | case -1: /* no colors at all */ | |
fca177d4 KL |
2160 | tty->TN_max_colors = 0; |
2161 | tty->TN_max_pairs = 0; | |
2162 | tty->TN_no_color_video = 0; | |
2163 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2164 | break; |
2165 | case 0: /* default colors, if any */ | |
2166 | default: | |
fca177d4 | 2167 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2168 | break; |
2169 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2170 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2171 | #ifdef TERMINFO |
fca177d4 KL |
2172 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2173 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2174 | #else |
fca177d4 KL |
2175 | tty->TS_set_foreground = "\033[3%dm"; |
2176 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2177 | #endif |
fca177d4 KL |
2178 | tty->TN_max_colors = 8; |
2179 | tty->TN_max_pairs = 64; | |
2180 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2181 | break; |
2182 | } | |
2183 | } | |
2184 | ||
2185 | void | |
d3da34e0 | 2186 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2187 | { |
ce5b453a | 2188 | Lisp_Object tem, val; |
9b2cd403 SM |
2189 | Lisp_Object color_mode; |
2190 | int mode; | |
9b2cd403 SM |
2191 | Lisp_Object tty_color_mode_alist |
2192 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2193 | |
e69b0960 | 2194 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2195 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2196 | |
6b61353c | 2197 | if (INTEGERP (val)) |
ace28297 | 2198 | color_mode = val; |
ce5b453a | 2199 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2200 | { |
ce5b453a | 2201 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2202 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2203 | } |
ce5b453a SM |
2204 | else |
2205 | color_mode = Qnil; | |
6b61353c | 2206 | |
d311d28c | 2207 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2208 | |
9b2cd403 | 2209 | if (mode != tty->previous_color_mode) |
ace28297 | 2210 | { |
9b2cd403 SM |
2211 | tty->previous_color_mode = mode; |
2212 | tty_setup_colors (tty , mode); | |
2213 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2214 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2215 | } |
2216 | } | |
2217 | ||
84704c5c | 2218 | #endif /* !DOS_NT */ |
a168702a GM |
2219 | |
2220 | \f | |
28d440ab | 2221 | |
6ed8eeff | 2222 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2223 | |
64520e5c | 2224 | static struct terminal * |
717a00ef | 2225 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2226 | { |
717a00ef | 2227 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2228 | |
84704c5c | 2229 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2230 | { |
2231 | if (throw) | |
2232 | error ("Device %d is not a termcap terminal device", t->id); | |
2233 | else | |
2234 | return NULL; | |
2235 | } | |
b6660415 | 2236 | |
6ed8eeff | 2237 | return t; |
b6660415 KL |
2238 | } |
2239 | ||
ab797f65 KL |
2240 | /* Return an active termcap device that uses the tty device with the |
2241 | given name. | |
b6660415 | 2242 | |
7e59217d | 2243 | This function ignores suspended devices. |
da8e1115 KL |
2244 | |
2245 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2246 | |
6ed8eeff | 2247 | struct terminal * |
8ea90aa3 | 2248 | get_named_tty (const char *name) |
28d440ab | 2249 | { |
6ed8eeff KL |
2250 | struct terminal *t; |
2251 | ||
ab797f65 | 2252 | if (!name) |
1088b922 | 2253 | emacs_abort (); |
ab797f65 KL |
2254 | |
2255 | for (t = terminal_list; t; t = t->next_terminal) | |
2256 | { | |
5cc67f65 | 2257 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2258 | && !strcmp (t->display_info.tty->name, name) |
2259 | && TERMINAL_ACTIVE_P (t)) | |
2260 | return t; | |
2261 | } | |
28d440ab KL |
2262 | |
2263 | return 0; | |
2264 | } | |
2265 | ||
2266 | \f | |
a7ca3326 | 2267 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2268 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2269 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2270 | |
401e9e57 CY |
2271 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2272 | selected frame's terminal). */) | |
5842a27b | 2273 | (Lisp_Object terminal) |
b6660415 | 2274 | { |
6ed8eeff | 2275 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2276 | |
84704c5c | 2277 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2278 | return Qnil; |
2279 | ||
6ed8eeff KL |
2280 | if (t->display_info.tty->type) |
2281 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2282 | else |
2283 | return Qnil; | |
2284 | } | |
2285 | ||
6ed8eeff | 2286 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2287 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2288 | |
401e9e57 CY |
2289 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2290 | selected frame's terminal). This function always returns nil if | |
2291 | TERMINAL is not on a tty device. */) | |
5842a27b | 2292 | (Lisp_Object terminal) |
4a933ef8 | 2293 | { |
6ed8eeff | 2294 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2295 | |
84704c5c EZ |
2296 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2297 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2298 | return Qnil; |
2299 | else | |
2300 | return Qt; | |
2301 | } | |
2302 | ||
a3fbb897 | 2303 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2304 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2305 | This is used to override the terminfo data, for certain terminals that |
2306 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2307 | no effect if used on a non-tty terminal. |
a3fbb897 | 2308 | |
401e9e57 CY |
2309 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2310 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2311 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2312 | (Lisp_Object terminal) |
a3fbb897 | 2313 | { |
6ed8eeff | 2314 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2315 | |
6ed8eeff KL |
2316 | if (t->type == output_termcap) |
2317 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2318 | return Qnil; |
2319 | } | |
2320 | ||
c6bf3022 CY |
2321 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2322 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2323 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2324 | selected frame's terminal). This function returns nil if TERMINAL | |
2325 | does not refer to a text terminal. Otherwise, it returns the | |
2326 | top-most frame on the text terminal. */) | |
2327 | (Lisp_Object terminal) | |
2328 | { | |
2329 | struct terminal *t = get_terminal (terminal, 1); | |
2330 | ||
2331 | if (t->type == output_termcap) | |
2332 | return t->display_info.tty->top_frame; | |
2333 | return Qnil; | |
2334 | } | |
2335 | ||
ed8dad6b KL |
2336 | \f |
2337 | ||
2338 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2339 | doc: /* Suspend the terminal device TTY. | |
2340 | ||
2341 | The device is restored to its default state, and Emacs ceases all | |
2342 | access to the tty device. Frames that use the device are not deleted, | |
2343 | but input is not read from them and if they change, their display is | |
2344 | not updated. | |
2345 | ||
401e9e57 CY |
2346 | TTY may be a terminal object, a frame, or nil for the terminal device |
2347 | of the currently selected frame. | |
ed8dad6b | 2348 | |
e4019195 | 2349 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2350 | device. The functions are run with one arg, the id of the suspended |
2351 | terminal device. | |
2352 | ||
2353 | `suspend-tty' does nothing if it is called on a device that is already | |
2354 | suspended. | |
2355 | ||
2356 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2357 | (Lisp_Object tty) |
ed8dad6b | 2358 | { |
717a00ef | 2359 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2360 | FILE *f; |
f4d953fc | 2361 | |
6ed8eeff | 2362 | if (!t) |
ed8dad6b KL |
2363 | error ("Unknown tty device"); |
2364 | ||
6ed8eeff | 2365 | f = t->display_info.tty->input; |
f4d953fc | 2366 | |
ed8dad6b KL |
2367 | if (f) |
2368 | { | |
23d4cba5 DN |
2369 | /* First run `suspend-tty-functions' and then clean up the tty |
2370 | state because `suspend-tty-functions' might need to change | |
2371 | the tty state. */ | |
dee091a3 JD |
2372 | Lisp_Object args[2]; |
2373 | args[0] = intern ("suspend-tty-functions"); | |
2374 | XSETTERMINAL (args[1], t); | |
2375 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2376 | |
6ed8eeff | 2377 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2378 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2379 | |
84704c5c | 2380 | #ifndef MSDOS |
ed8dad6b | 2381 | fclose (f); |
6ed8eeff KL |
2382 | if (f != t->display_info.tty->output) |
2383 | fclose (t->display_info.tty->output); | |
84704c5c | 2384 | #endif |
f4d953fc | 2385 | |
6ed8eeff KL |
2386 | t->display_info.tty->input = 0; |
2387 | t->display_info.tty->output = 0; | |
ed8dad6b | 2388 | |
6ed8eeff KL |
2389 | if (FRAMEP (t->display_info.tty->top_frame)) |
2390 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2391 | |
ed8dad6b KL |
2392 | } |
2393 | ||
4a665758 KL |
2394 | /* Clear display hooks to prevent further output. */ |
2395 | clear_tty_hooks (t); | |
2396 | ||
ed8dad6b KL |
2397 | return Qnil; |
2398 | } | |
2399 | ||
2400 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2401 | doc: /* Resume the previously suspended terminal device TTY. | |
2402 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2403 | suspended terminal are revived. |
ed8dad6b | 2404 | |
6ed8eeff KL |
2405 | It is an error to resume a terminal while another terminal is active |
2406 | on the same device. | |
ed8dad6b | 2407 | |
e4019195 | 2408 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2409 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2410 | device. |
2411 | ||
2412 | `resume-tty' does nothing if it is called on a device that is not | |
2413 | suspended. | |
2414 | ||
401e9e57 CY |
2415 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2416 | frame's terminal). */) | |
5842a27b | 2417 | (Lisp_Object tty) |
ed8dad6b | 2418 | { |
717a00ef | 2419 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2420 | int fd; |
2421 | ||
6ed8eeff | 2422 | if (!t) |
ed8dad6b KL |
2423 | error ("Unknown tty device"); |
2424 | ||
6ed8eeff | 2425 | if (!t->display_info.tty->input) |
ed8dad6b | 2426 | { |
6ed8eeff | 2427 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2428 | error ("Cannot resume display while another display is active on the same device"); |
2429 | ||
84704c5c EZ |
2430 | #ifdef MSDOS |
2431 | t->display_info.tty->output = stdout; | |
2432 | t->display_info.tty->input = stdin; | |
2433 | #else /* !MSDOS */ | |
6ed8eeff | 2434 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2435 | |
59b3194c KL |
2436 | if (fd == -1) |
2437 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2438 | |
78048085 | 2439 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2440 | dissociate_if_controlling_tty (fd); |
78048085 | 2441 | |
6ed8eeff KL |
2442 | t->display_info.tty->output = fdopen (fd, "w+"); |
2443 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2444 | #endif |
78048085 | 2445 | |
ed8dad6b KL |
2446 | add_keyboard_wait_descriptor (fd); |
2447 | ||
6ed8eeff | 2448 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2449 | { |
2450 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2451 | int width, height; | |
2452 | int old_height = FRAME_COLS (f); | |
2453 | int old_width = FRAME_LINES (f); | |
2454 | ||
2455 | /* Check if terminal/window size has changed while the frame | |
2456 | was suspended. */ | |
2457 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2458 | if (width != old_width || height != old_height) | |
2459 | change_frame_size (f, height, width, 0, 0, 0); | |
2460 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2461 | } | |
ed8dad6b | 2462 | |
04f2d78b | 2463 | set_tty_hooks (t); |
6ed8eeff | 2464 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2465 | |
dee091a3 JD |
2466 | { |
2467 | /* Run `resume-tty-functions'. */ | |
2468 | Lisp_Object args[2]; | |
2469 | args[0] = intern ("resume-tty-functions"); | |
2470 | XSETTERMINAL (args[1], t); | |
2471 | Frun_hook_with_args (2, args); | |
2472 | } | |
ed8dad6b KL |
2473 | } |
2474 | ||
4a665758 KL |
2475 | set_tty_hooks (t); |
2476 | ||
ed8dad6b KL |
2477 | return Qnil; |
2478 | } | |
a3fbb897 | 2479 | |
819b8f00 | 2480 | \f |
e882229c NR |
2481 | /*********************************************************************** |
2482 | Mouse | |
2483 | ***********************************************************************/ | |
2484 | ||
7e5a23bd | 2485 | #ifdef HAVE_GPM |
64520e5c PE |
2486 | |
2487 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2488 | void |
2489 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2490 | { |
1ec5dc77 | 2491 | /* TODO: how to set mouse position? |
94da14a0 NR |
2492 | const char *name; |
2493 | int fd; | |
2494 | name = (const char *) ttyname (0); | |
2495 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2496 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2497 | close (fd); |
2498 | last_mouse_x = x; | |
80fb2ce0 | 2499 | last_mouse_y = y; */ |
94da14a0 | 2500 | } |
64520e5c | 2501 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2502 | |
cf482c50 EZ |
2503 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2504 | void | |
2505 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2506 | int start_hpos, int end_hpos, | |
2507 | enum draw_glyphs_face draw) | |
e882229c | 2508 | { |
cf482c50 EZ |
2509 | int nglyphs = end_hpos - start_hpos; |
2510 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2511 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2512 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2513 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2514 | |
cf482c50 EZ |
2515 | if (end_hpos >= row->used[TEXT_AREA]) |
2516 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2517 | |
cf482c50 EZ |
2518 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2519 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2520 | |
cf482c50 EZ |
2521 | /* Save current cursor co-ordinates. */ |
2522 | save_y = curY (tty); | |
2523 | save_x = curX (tty); | |
2524 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2525 | |
cf482c50 EZ |
2526 | if (draw == DRAW_MOUSE_FACE) |
2527 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2528 | nglyphs, face_id); | |
2529 | else if (draw == DRAW_NORMAL_TEXT) | |
2530 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2531 | |
cf482c50 | 2532 | cursor_to (f, save_y, save_x); |
e882229c NR |
2533 | } |
2534 | ||
2535 | static int | |
2536 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2537 | { | |
2538 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2539 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2540 | { | |
2541 | frame->mouse_moved = 1; | |
cf482c50 | 2542 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2543 | /* Remember which glyph we're now on. */ |
2544 | last_mouse_x = event->x; | |
2545 | last_mouse_y = event->y; | |
2546 | return 1; | |
2547 | } | |
2548 | return 0; | |
2549 | } | |
2550 | ||
d35af63c PE |
2551 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2552 | static Time | |
2553 | timeval_to_Time (struct timeval const *t) | |
2554 | { | |
2555 | Time s_1000, ms; | |
2556 | ||
2557 | s_1000 = t->tv_sec; | |
2558 | s_1000 *= 1000; | |
2559 | ms = t->tv_usec / 1000; | |
2560 | return s_1000 + ms; | |
2561 | } | |
2562 | ||
e882229c NR |
2563 | /* Return the current position of the mouse. |
2564 | ||
2565 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2566 | Emacs frame. If it is set to zero, all the other arguments are | |
2567 | garbage. | |
2568 | ||
2569 | Set *bar_window to Qnil, and *x and *y to the column and | |
2570 | row of the character cell the mouse is over. | |
2571 | ||
7f3f1250 | 2572 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2573 | |
80fb2ce0 | 2574 | This clears mouse_moved until the next motion |
94da14a0 | 2575 | event arrives. */ |
e882229c NR |
2576 | static void |
2577 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2578 | enum scroll_bar_part *part, Lisp_Object *x, | |
08dc5ae6 | 2579 | Lisp_Object *y, Time *timeptr) |
e882229c | 2580 | { |
e882229c | 2581 | struct timeval now; |
e882229c NR |
2582 | |
2583 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2584 | (*fp)->mouse_moved = 0; |
e882229c NR |
2585 | |
2586 | *bar_window = Qnil; | |
2587 | *part = 0; | |
2588 | ||
80fb2ce0 | 2589 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2590 | XSETINT (*y, last_mouse_y); |
e882229c | 2591 | gettimeofday(&now, 0); |
d35af63c | 2592 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2593 | } |
2594 | ||
2595 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2596 | ||
2597 | If the event is a button press, then note that we have grabbed | |
2598 | the mouse. */ | |
2599 | ||
2600 | static Lisp_Object | |
2601 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2602 | struct frame *f) | |
2603 | { | |
2604 | struct timeval now; | |
2605 | int i, j; | |
2606 | ||
2607 | result->kind = GPM_CLICK_EVENT; | |
2608 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2609 | { | |
2610 | if (event->buttons & j) { | |
2611 | result->code = i; /* button number */ | |
2612 | break; | |
2613 | } | |
2614 | } | |
2615 | gettimeofday(&now, 0); | |
d35af63c | 2616 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2617 | |
2618 | if (event->type & GPM_UP) | |
2619 | result->modifiers = up_modifier; | |
2620 | else if (event->type & GPM_DOWN) | |
2621 | result->modifiers = down_modifier; | |
2622 | else | |
2623 | result->modifiers = 0; | |
f4d953fc | 2624 | |
e882229c NR |
2625 | if (event->type & GPM_SINGLE) |
2626 | result->modifiers |= click_modifier; | |
f4d953fc | 2627 | |
e882229c NR |
2628 | if (event->type & GPM_DOUBLE) |
2629 | result->modifiers |= double_modifier; | |
2630 | ||
2631 | if (event->type & GPM_TRIPLE) | |
2632 | result->modifiers |= triple_modifier; | |
2633 | ||
2634 | if (event->type & GPM_DRAG) | |
2635 | result->modifiers |= drag_modifier; | |
2636 | ||
80fb2ce0 | 2637 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2638 | |
2639 | /* 1 << KG_SHIFT */ | |
2640 | if (event->modifiers & (1 << 0)) | |
2641 | result->modifiers |= shift_modifier; | |
2642 | ||
2643 | /* 1 << KG_CTRL */ | |
2644 | if (event->modifiers & (1 << 2)) | |
2645 | result->modifiers |= ctrl_modifier; | |
2646 | ||
2647 | /* 1 << KG_ALT || KG_ALTGR */ | |
2648 | if (event->modifiers & (1 << 3) | |
2649 | || event->modifiers & (1 << 1)) | |
2650 | result->modifiers |= meta_modifier; | |
2651 | } | |
2652 | ||
80fb2ce0 NR |
2653 | XSETINT (result->x, event->x); |
2654 | XSETINT (result->y, event->y); | |
e882229c NR |
2655 | XSETFRAME (result->frame_or_window, f); |
2656 | result->arg = Qnil; | |
2657 | return Qnil; | |
2658 | } | |
2659 | ||
f4d953fc | 2660 | int |
7be1c21a | 2661 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2662 | { |
7be1c21a | 2663 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2664 | struct input_event ie; |
2665 | int do_help = 0; | |
2666 | int count = 0; | |
2667 | ||
2668 | EVENT_INIT (ie); | |
2669 | ie.kind = NO_EVENT; | |
2670 | ie.arg = Qnil; | |
2671 | ||
80fb2ce0 | 2672 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2673 | previous_help_echo_string = help_echo_string; |
2674 | help_echo_string = Qnil; | |
2675 | ||
6178ce5e | 2676 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2677 | |
80fb2ce0 NR |
2678 | if (!term_mouse_movement (f, event)) |
2679 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2680 | |
2681 | /* If the contents of the global variable help_echo_string | |
2682 | has changed, generate a HELP_EVENT. */ | |
2683 | if (!NILP (help_echo_string) | |
2684 | || !NILP (previous_help_echo_string)) | |
2685 | do_help = 1; | |
2686 | ||
2687 | goto done; | |
2688 | } | |
2689 | else { | |
2690 | f->mouse_moved = 0; | |
2691 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2692 | } |
2693 | ||
2694 | done: | |
2695 | if (ie.kind != NO_EVENT) | |
2696 | { | |
2697 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2698 | count++; | |
2699 | } | |
2700 | ||
2701 | if (do_help | |
2702 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2703 | { | |
2704 | Lisp_Object frame; | |
2705 | ||
2706 | if (f) | |
2707 | XSETFRAME (frame, f); | |
2708 | else | |
2709 | frame = Qnil; | |
2710 | ||
2711 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2712 | help_echo_object, help_echo_pos); | |
2713 | count++; | |
2714 | } | |
2715 | ||
2716 | return count; | |
2717 | } | |
2718 | ||
6178ce5e | 2719 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2720 | 0, 0, 0, |
71f44e7a | 2721 | doc: /* Open a connection to Gpm. |
6178ce5e | 2722 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2723 | (void) |
e882229c | 2724 | { |
71f44e7a SM |
2725 | struct frame *f = SELECTED_FRAME (); |
2726 | struct tty_display_info *tty | |
2727 | = ((f)->output_method == output_termcap | |
2728 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2729 | Gpm_Connect connection; |
2730 | ||
6178ce5e SM |
2731 | if (!tty) |
2732 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2733 | if (gpm_tty == tty) |
2734 | return Qnil; /* Already activated, nothing to do. */ | |
2735 | if (gpm_tty) | |
2736 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2737 | |
e882229c NR |
2738 | connection.eventMask = ~0; |
2739 | connection.defaultMask = ~GPM_HARD; | |
2740 | connection.maxMod = ~0; | |
2741 | connection.minMod = 0; | |
80fb2ce0 | 2742 | gpm_zerobased = 1; |
e882229c NR |
2743 | |
2744 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2745 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2746 | else |
2747 | { | |
71f44e7a | 2748 | gpm_tty = tty; |
1023cbed SM |
2749 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2750 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2751 | before calling init_sys_modes. */ | |
7be1c21a MB |
2752 | reset_sys_modes (tty); |
2753 | init_sys_modes (tty); | |
e882229c | 2754 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2755 | return Qnil; |
e882229c NR |
2756 | } |
2757 | } | |
2758 | ||
ed5ff21d | 2759 | void |
d347e494 | 2760 | close_gpm (int fd) |
ed5ff21d | 2761 | { |
d347e494 SM |
2762 | if (fd >= 0) |
2763 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2764 | while (Gpm_Close()); /* close all the stack */ |
2765 | gpm_tty = NULL; | |
2766 | } | |
2767 | ||
6178ce5e | 2768 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2769 | 0, 0, 0, |
2770 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2771 | (void) |
e882229c | 2772 | { |
4ce5ab77 SM |
2773 | struct frame *f = SELECTED_FRAME (); |
2774 | struct tty_display_info *tty | |
2775 | = ((f)->output_method == output_termcap | |
2776 | ? (f)->terminal->display_info.tty : NULL); | |
2777 | ||
2778 | if (!tty || gpm_tty != tty) | |
2779 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2780 | |
d347e494 | 2781 | close_gpm (gpm_fd); |
6178ce5e | 2782 | return Qnil; |
e882229c | 2783 | } |
7e5a23bd | 2784 | #endif /* HAVE_GPM */ |
e882229c NR |
2785 | |
2786 | \f | |
89ba96f4 | 2787 | #ifndef MSDOS |
a168702a GM |
2788 | /*********************************************************************** |
2789 | Initialization | |
2790 | ***********************************************************************/ | |
2791 | ||
ed8dad6b KL |
2792 | /* Initialize the tty-dependent part of frame F. The frame must |
2793 | already have its device initialized. */ | |
3224dac1 | 2794 | |
dfcf069d | 2795 | void |
ed8dad6b | 2796 | create_tty_output (struct frame *f) |
28d440ab | 2797 | { |
38182d90 | 2798 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b KL |
2799 | |
2800 | if (! FRAME_TERMCAP_P (f)) | |
1088b922 | 2801 | emacs_abort (); |
428a555e | 2802 | |
6ed8eeff | 2803 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2804 | |
ed8dad6b | 2805 | f->output_data.tty = t; |
3224dac1 KL |
2806 | } |
2807 | ||
9f215d25 | 2808 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2809 | |
ed8dad6b | 2810 | static void |
9f215d25 | 2811 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2812 | { |
ed8dad6b | 2813 | if (! FRAME_TERMCAP_P (f)) |
1088b922 | 2814 | emacs_abort (); |
3224dac1 | 2815 | |
9f215d25 CY |
2816 | if (FRAME_FACE_CACHE (f)) |
2817 | free_frame_faces (f); | |
2818 | ||
ed8dad6b | 2819 | xfree (f->output_data.tty); |
28d440ab KL |
2820 | } |
2821 | ||
89ba96f4 EZ |
2822 | #else /* MSDOS */ |
2823 | ||
2824 | /* Delete frame F's face cache. */ | |
2825 | ||
2826 | static void | |
2827 | tty_free_frame_resources (struct frame *f) | |
2828 | { | |
2829 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
1088b922 | 2830 | emacs_abort (); |
89ba96f4 EZ |
2831 | |
2832 | if (FRAME_FACE_CACHE (f)) | |
2833 | free_frame_faces (f); | |
2834 | } | |
2835 | #endif /* MSDOS */ | |
ed8dad6b | 2836 | \f |
47cc8819 | 2837 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2838 | |
4a665758 KL |
2839 | static void |
2840 | clear_tty_hooks (struct terminal *terminal) | |
2841 | { | |
2842 | terminal->rif = 0; | |
2843 | terminal->cursor_to_hook = 0; | |
2844 | terminal->raw_cursor_to_hook = 0; | |
2845 | terminal->clear_to_end_hook = 0; | |
2846 | terminal->clear_frame_hook = 0; | |
2847 | terminal->clear_end_of_line_hook = 0; | |
2848 | terminal->ins_del_lines_hook = 0; | |
2849 | terminal->insert_glyphs_hook = 0; | |
2850 | terminal->write_glyphs_hook = 0; | |
2851 | terminal->delete_glyphs_hook = 0; | |
2852 | terminal->ring_bell_hook = 0; | |
2853 | terminal->reset_terminal_modes_hook = 0; | |
2854 | terminal->set_terminal_modes_hook = 0; | |
2855 | terminal->update_begin_hook = 0; | |
2856 | terminal->update_end_hook = 0; | |
2857 | terminal->set_terminal_window_hook = 0; | |
2858 | terminal->mouse_position_hook = 0; | |
2859 | terminal->frame_rehighlight_hook = 0; | |
2860 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2861 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2862 | terminal->set_vertical_scroll_bar_hook = 0; |
2863 | terminal->condemn_scroll_bars_hook = 0; | |
2864 | terminal->redeem_scroll_bar_hook = 0; | |
2865 | terminal->judge_scroll_bars_hook = 0; | |
2866 | terminal->read_socket_hook = 0; | |
2867 | terminal->frame_up_to_date_hook = 0; | |
2868 | ||
2869 | /* Leave these two set, or suspended frames are not deleted | |
2870 | correctly. */ | |
9f215d25 | 2871 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2872 | terminal->delete_terminal_hook = &delete_tty; |
2873 | } | |
2874 | ||
47cc8819 DN |
2875 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2876 | ||
4a665758 KL |
2877 | static void |
2878 | set_tty_hooks (struct terminal *terminal) | |
2879 | { | |
2880 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
2881 | ||
2882 | terminal->cursor_to_hook = &tty_cursor_to; | |
2883 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2884 | ||
2885 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
2886 | terminal->clear_frame_hook = &tty_clear_frame; | |
2887 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2888 | ||
2889 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
2890 | ||
2891 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
2892 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
2893 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
2894 | ||
2895 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 2896 | |
4a665758 KL |
2897 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2898 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2899 | terminal->update_begin_hook = 0; /* Not needed. */ | |
2900 | terminal->update_end_hook = &tty_update_end; | |
2901 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
2902 | ||
2903 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
2904 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
2905 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
2906 | ||
2907 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2908 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2909 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2910 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2911 | ||
2912 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2913 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 2914 | |
9f215d25 | 2915 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2916 | terminal->delete_terminal_hook = &delete_tty; |
2917 | } | |
2918 | ||
03a1d6bd | 2919 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 2920 | static void |
03a1d6bd KL |
2921 | dissociate_if_controlling_tty (int fd) |
2922 | { | |
84704c5c | 2923 | #ifndef DOS_NT |
12e610e8 | 2924 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
2925 | if (pgid != -1) |
2926 | { | |
6254cdda | 2927 | #if defined (USG5) |
03a1d6bd KL |
2928 | setpgrp (); |
2929 | no_controlling_tty = 1; | |
de52dcbb DN |
2930 | #elif defined (CYGWIN) |
2931 | setsid (); | |
2932 | no_controlling_tty = 1; | |
03a1d6bd KL |
2933 | #else |
2934 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 2935 | sigblock (sigmask (SIGTTOU)); |
78048085 | 2936 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
2937 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
2938 | { | |
2939 | no_controlling_tty = 1; | |
2940 | } | |
2941 | if (fd != -1) | |
2942 | emacs_close (fd); | |
2943 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 2944 | #else |
8516815b KL |
2945 | /* Unknown system. */ |
2946 | croak (); | |
03a1d6bd KL |
2947 | #endif /* ! TIOCNOTTY */ |
2948 | #endif /* ! USG */ | |
71a96040 | 2949 | } |
84704c5c | 2950 | #endif /* !DOS_NT */ |
03a1d6bd KL |
2951 | } |
2952 | ||
3224dac1 KL |
2953 | /* Create a termcap display on the tty device with the given name and |
2954 | type. | |
2955 | ||
ab797f65 | 2956 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
2957 | Otherwise NAME should be a path to the tty device file, |
2958 | e.g. "/dev/pts/7". | |
28d440ab | 2959 | |
3224dac1 KL |
2960 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2961 | ||
2962 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2963 | |
6ed8eeff | 2964 | struct terminal * |
8ea90aa3 | 2965 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 2966 | { |
59b3194c | 2967 | char *area = NULL; |
08a24c47 | 2968 | char **address = &area; |
6b61353c | 2969 | int buffer_size = 4096; |
08a24c47 | 2970 | int status; |
59b3194c KL |
2971 | struct tty_display_info *tty = NULL; |
2972 | struct terminal *terminal = NULL; | |
2973 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 2974 | |
3224dac1 | 2975 | if (!terminal_type) |
d31eee5e | 2976 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
2977 | "Unknown terminal type", |
2978 | "Unknown terminal type"); | |
b6660415 | 2979 | |
ab797f65 | 2980 | if (name == NULL) |
78048085 EZ |
2981 | name = DEV_TTY; |
2982 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
2983 | ctty = 1; |
2984 | ||
6ed8eeff KL |
2985 | /* If we already have a terminal on the given device, use that. If |
2986 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 2987 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 2988 | always create a new terminal and separating terminal and frame |
b6660415 | 2989 | creation on Lisp level. */ |
6ed8eeff KL |
2990 | terminal = get_named_tty (name); |
2991 | if (terminal) | |
2992 | return terminal; | |
78048085 | 2993 | |
6ed8eeff | 2994 | terminal = create_terminal (); |
84704c5c EZ |
2995 | #ifdef MSDOS |
2996 | if (been_here > 0) | |
762b15be | 2997 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
2998 | name, ""); |
2999 | been_here = 1; | |
3000 | tty = &the_only_display_info; | |
3001 | #else | |
38182d90 | 3002 | tty = xzalloc (sizeof *tty); |
84704c5c | 3003 | #endif |
c650a5de | 3004 | tty->top_frame = Qnil; |
3224dac1 KL |
3005 | tty->next = tty_list; |
3006 | tty_list = tty; | |
428a555e | 3007 | |
6ed8eeff KL |
3008 | terminal->type = output_termcap; |
3009 | terminal->display_info.tty = tty; | |
3010 | tty->terminal = terminal; | |
28d440ab | 3011 | |
38182d90 | 3012 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 3013 | Wcm_clear (tty); |
daf01701 | 3014 | |
dce4c2ac DN |
3015 | encode_terminal_src_size = 0; |
3016 | encode_terminal_dst_size = 0; | |
3017 | ||
51b59d79 | 3018 | |
84704c5c | 3019 | #ifndef DOS_NT |
4a665758 | 3020 | set_tty_hooks (terminal); |
78048085 | 3021 | |
59b3194c KL |
3022 | { |
3023 | int fd; | |
3024 | FILE *file; | |
0c72d684 KL |
3025 | |
3026 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3027 | if (!ctty) |
0c72d684 KL |
3028 | /* Open the terminal device. Don't recognize it as our |
3029 | controlling terminal, and don't make it the controlling tty | |
3030 | if we don't have one at the moment. */ | |
3031 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3032 | else |
0080dc6b | 3033 | #endif /* O_IGNORE_CTTY */ |
2666355c | 3034 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3035 | defined on Hurd. On other systems, we need to explicitly |
3036 | dissociate ourselves from the controlling tty when we want to | |
3037 | open a frame on the same terminal. */ | |
0c72d684 | 3038 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 | 3039 | |
97c6058a DN |
3040 | tty->name = xstrdup (name); |
3041 | terminal->name = xstrdup (name); | |
3042 | ||
59b3194c | 3043 | if (fd < 0) |
d31eee5e | 3044 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3045 | "Could not open file: %s", |
3046 | "Could not open file: %s", | |
3047 | name); | |
3048 | if (!isatty (fd)) | |
3049 | { | |
3050 | close (fd); | |
d31eee5e | 3051 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3052 | "Not a tty device: %s", |
3053 | "Not a tty device: %s", | |
3054 | name); | |
3055 | } | |
0c72d684 | 3056 | |
59b3194c KL |
3057 | #ifndef O_IGNORE_CTTY |
3058 | if (!ctty) | |
03a1d6bd | 3059 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3060 | #endif |
3061 | ||
3062 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3063 | tty->input = file; |
3064 | tty->output = file; | |
3065 | } | |
78048085 | 3066 | |
28d7d09f | 3067 | tty->type = xstrdup (terminal_type); |
28d440ab | 3068 | |
819b8f00 | 3069 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3070 | |
6548cf00 | 3071 | Wcm_clear (tty); |
08a24c47 | 3072 | |
23f86fce | 3073 | tty->termcap_term_buffer = xmalloc (buffer_size); |
78048085 | 3074 | |
03a1d6bd KL |
3075 | /* On some systems, tgetent tries to access the controlling |
3076 | terminal. */ | |
3077 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3078 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3079 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3080 | |
08a24c47 | 3081 | if (status < 0) |
b0347178 KH |
3082 | { |
3083 | #ifdef TERMINFO | |
d31eee5e | 3084 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3085 | "Cannot open terminfo database file", |
3086 | "Cannot open terminfo database file"); | |
b0347178 | 3087 | #else |
d31eee5e | 3088 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3089 | "Cannot open termcap database file", |
3090 | "Cannot open termcap database file"); | |
b0347178 KH |
3091 | #endif |
3092 | } | |
08a24c47 | 3093 | if (status == 0) |
b0347178 | 3094 | { |
d31eee5e | 3095 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3096 | "Terminal type %s is not defined", |
3097 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3098 | If that is not the actual type of terminal you have,\n\ |
3099 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3100 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3101 | #ifdef TERMINFO | |
3102 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3103 | #else |
84164a0d | 3104 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3105 | #endif |
84164a0d | 3106 | terminal_type); |
b0347178 | 3107 | } |
6b61353c KH |
3108 | |
3109 | #ifndef TERMINFO | |
d31eee5e | 3110 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
1088b922 | 3111 | emacs_abort (); |
d31eee5e | 3112 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3113 | #endif |
23f86fce | 3114 | tty->termcap_strings_buffer = area = xmalloc (buffer_size); |
fca177d4 KL |
3115 | tty->TS_ins_line = tgetstr ("al", address); |
3116 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3117 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3118 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3119 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3120 | tty->TS_clr_line = tgetstr ("ce", address); | |
3121 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3122 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3123 | AbsPosition (tty) = tgetstr ("cm", address); | |
3124 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3125 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3126 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3127 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3128 | tty->TS_del_char = tgetstr ("dc", address); |
3129 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3130 | tty->TS_del_line = tgetstr ("dl", address); | |
3131 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3132 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3133 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3134 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3135 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3136 | tty->TS_ins_char = tgetstr ("ic", address); |
3137 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3138 | tty->TS_insert_mode = tgetstr ("im", address); | |
3139 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3140 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3141 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3142 | LastLine (tty) = tgetstr ("ll", address); |
3143 | Right (tty) = tgetstr ("nd", address); | |
3144 | Down (tty) = tgetstr ("do", address); | |
3145 | if (!Down (tty)) | |
3146 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3147 | if (tgetflag ("bs")) |
6548cf00 | 3148 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3149 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3150 | Left (tty) = tgetstr ("le", address); |
3151 | if (!Left (tty)) | |
3152 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3153 | tty->TS_pad_char = tgetstr ("pc", address); |
3154 | tty->TS_repeat = tgetstr ("rp", address); | |
3155 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3156 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3157 | tty->TS_standout_mode = tgetstr ("so", address); | |
3158 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3159 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3160 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3161 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3162 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3163 | tty->TS_visible_bell = tgetstr ("vb", address); |
3164 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3165 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3166 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3167 | tty->TS_set_window = tgetstr ("wi", address); | |
3168 | ||
3169 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3170 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3171 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 3172 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 3173 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
3174 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
3175 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3176 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3177 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3178 | |
6548cf00 KL |
3179 | MultiUp (tty) = tgetstr ("UP", address); |
3180 | MultiDown (tty) = tgetstr ("DO", address); | |
3181 | MultiLeft (tty) = tgetstr ("LE", address); | |
3182 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3183 | |
5c32d3f2 | 3184 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
3185 | color because we can't switch back to the default foreground and |
3186 | background. */ | |
fca177d4 KL |
3187 | tty->TS_orig_pair = tgetstr ("op", address); |
3188 | if (tty->TS_orig_pair) | |
a168702a | 3189 | { |
fca177d4 KL |
3190 | tty->TS_set_foreground = tgetstr ("AF", address); |
3191 | tty->TS_set_background = tgetstr ("AB", address); | |
3192 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3193 | { |
3194 | /* SVr4. */ | |
fca177d4 KL |
3195 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3196 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3197 | } |
177c0ea7 | 3198 | |
fca177d4 KL |
3199 | tty->TN_max_colors = tgetnum ("Co"); |
3200 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3201 | |
fca177d4 KL |
3202 | tty->TN_no_color_video = tgetnum ("NC"); |
3203 | if (tty->TN_no_color_video == -1) | |
3204 | tty->TN_no_color_video = 0; | |
a168702a | 3205 | } |
a168702a | 3206 | |
fca177d4 | 3207 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3208 | |
6548cf00 | 3209 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3210 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3211 | the former flag imply the latter. */ | |
6548cf00 | 3212 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3213 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3214 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3215 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3216 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3217 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3218 | tty->TF_standout_motion = tgetflag ("ms"); | |
3219 | tty->TF_underscore = tgetflag ("ul"); | |
3220 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3221 | |
dce4c2ac DN |
3222 | #else /* DOS_NT */ |
3223 | #ifdef WINDOWSNT | |
3224 | { | |
3225 | struct frame *f = XFRAME (selected_frame); | |
3226 | ||
3227 | initialize_w32_display (terminal); | |
3228 | ||
3229 | FrameRows (tty) = FRAME_LINES (f); | |
3230 | FrameCols (tty) = FRAME_COLS (f); | |
3231 | tty->specified_window = FRAME_LINES (f); | |
3232 | ||
3233 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3234 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3235 | terminal->char_ins_del_ok = 1; | |
3236 | baud_rate = 19200; | |
3237 | } | |
3238 | #else /* MSDOS */ | |
3239 | { | |
3240 | int height, width; | |
3241 | if (strcmp (terminal_type, "internal") == 0) | |
3242 | terminal->type = output_msdos_raw; | |
3243 | initialize_msdos_display (terminal); | |
3244 | ||
3245 | get_tty_size (fileno (tty->input), &width, &height); | |
3246 | FrameCols (tty) = width; | |
3247 | FrameRows (tty) = height; | |
3248 | terminal->char_ins_del_ok = 0; | |
3249 | init_baud_rate (fileno (tty->input)); | |
3250 | } | |
3251 | #endif /* MSDOS */ | |
3252 | tty->output = stdout; | |
3253 | tty->input = stdin; | |
3254 | /* The following two are inaccessible from w32console.c. */ | |
3255 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3256 | terminal->delete_terminal_hook = &delete_tty; | |
3257 | ||
3258 | tty->name = xstrdup (name); | |
3259 | terminal->name = xstrdup (name); | |
3260 | tty->type = xstrdup (terminal_type); | |
3261 | ||
3262 | add_keyboard_wait_descriptor (0); | |
3263 | ||
dce4c2ac DN |
3264 | tty->delete_in_insert_mode = 1; |
3265 | ||
3266 | UseTabs (tty) = 0; | |
3267 | terminal->scroll_region_ok = 0; | |
3268 | ||
3269 | /* Seems to insert lines when it's not supposed to, messing up the | |
3270 | display. In doing a trace, it didn't seem to be called much, so I | |
3271 | don't think we're losing anything by turning it off. */ | |
3272 | terminal->line_ins_del_ok = 0; | |
3273 | ||
3274 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3275 | #endif /* DOS_NT */ | |
3276 | ||
6bc8cd65 JB |
3277 | #ifdef HAVE_GPM |
3278 | terminal->mouse_position_hook = term_mouse_position; | |
3279 | tty->mouse_highlight.mouse_face_window = Qnil; | |
3280 | #endif | |
3281 | ||
38182d90 | 3282 | terminal->kboard = xmalloc (sizeof *terminal->kboard); |
6ed8eeff | 3283 | init_kboard (terminal->kboard); |
15dbb4d6 | 3284 | kset_window_system (terminal->kboard, Qnil); |
6ed8eeff KL |
3285 | terminal->kboard->next_kboard = all_kboards; |
3286 | all_kboards = terminal->kboard; | |
3287 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3288 | /* Don't let the initial kboard remain current longer than necessary. |
3289 | That would cause problems if a file loaded on startup tries to | |
3290 | prompt in the mini-buffer. */ | |
3291 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3292 | current_kboard = terminal->kboard; |
84704c5c | 3293 | #ifndef DOS_NT |
6ed8eeff | 3294 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3295 | |
ff11dfa1 | 3296 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3297 | { |
3298 | int height, width; | |
0b0d3e0b | 3299 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3300 | FrameCols (tty) = width; |
3301 | FrameRows (tty) = height; | |
3b12ce12 RS |
3302 | } |
3303 | ||
0a125897 KL |
3304 | if (FrameCols (tty) <= 0) |
3305 | FrameCols (tty) = tgetnum ("co"); | |
3306 | if (FrameRows (tty) <= 0) | |
3307 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3308 | |
0a125897 | 3309 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3310 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3311 | "Screen size %dx%d is too small", |
3224dac1 | 3312 | "Screen size %dx%d is too small", |
0a125897 | 3313 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3314 | |
6548cf00 | 3315 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3316 | |
fca177d4 KL |
3317 | if (!tty->TS_bell) |
3318 | tty->TS_bell = "\07"; | |
08a24c47 | 3319 | |
fca177d4 KL |
3320 | if (!tty->TS_fwd_scroll) |
3321 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3322 | |
fca177d4 | 3323 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3324 | |
6548cf00 KL |
3325 | if (TabWidth (tty) < 0) |
3326 | TabWidth (tty) = 8; | |
177c0ea7 | 3327 | |
08a24c47 JB |
3328 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3329 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3330 | if (!tty->Wcm->cm_tab) |
3331 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3332 | */ |
3333 | ||
54800acb MB |
3334 | /* We don't support standout modes that use `magic cookies', so |
3335 | turn off any that do. */ | |
fca177d4 | 3336 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3337 | { |
fca177d4 KL |
3338 | tty->TS_standout_mode = 0; |
3339 | tty->TS_end_standout_mode = 0; | |
54800acb | 3340 | } |
fca177d4 | 3341 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3342 | { |
fca177d4 KL |
3343 | tty->TS_enter_underline_mode = 0; |
3344 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3345 | } |
3346 | ||
3347 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3348 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3349 | { |
fca177d4 KL |
3350 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3351 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3352 | } |
3353 | ||
afd359c4 RS |
3354 | /* If no `se' string, try using a `me' string instead. |
3355 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3356 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3357 | { |
e4bfb3b6 | 3358 | char *s = tgetstr ("me", address); |
afd359c4 | 3359 | if (s != 0) |
fca177d4 | 3360 | tty->TS_end_standout_mode = s; |
afd359c4 | 3361 | else |
fca177d4 | 3362 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3363 | } |
3364 | ||
fca177d4 | 3365 | if (tty->TF_teleray) |
08a24c47 | 3366 | { |
6548cf00 | 3367 | tty->Wcm->cm_tab = 0; |
54800acb | 3368 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3369 | tty->TS_standout_mode = 0; |
08a24c47 | 3370 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3371 | CR (tty) = 0; |
08a24c47 JB |
3372 | /* LF can't be trusted either -- can alter hpos */ |
3373 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3374 | Down (tty) = 0; |
08a24c47 JB |
3375 | } |
3376 | ||
0a125897 | 3377 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3378 | |
6548cf00 | 3379 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3380 | { |
d31eee5e | 3381 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3382 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3383 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3384 | It lacks the ability to position the cursor.\n\ |
3385 | If that is not the actual type of terminal you have,\n\ | |
3386 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3387 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3388 | # ifdef TERMINFO | |
3389 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3390 | # else /* TERMCAP */ |
84164a0d | 3391 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3392 | # endif /* TERMINFO */ |
3224dac1 | 3393 | terminal_type); |
fca177d4 | 3394 | } |
daf01701 | 3395 | |
0a125897 | 3396 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3397 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3398 | "Could not determine the frame size", |
3399 | "Could not determine the frame size"); | |
08a24c47 | 3400 | |
fca177d4 KL |
3401 | tty->delete_in_insert_mode |
3402 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3403 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3404 | |
fca177d4 KL |
3405 | tty->se_is_so = (tty->TS_standout_mode |
3406 | && tty->TS_end_standout_mode | |
3407 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3408 | |
0b0d3e0b | 3409 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3410 | |
6ed8eeff | 3411 | terminal->scroll_region_ok |
6548cf00 | 3412 | = (tty->Wcm->cm_abs |
fca177d4 | 3413 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3414 | |
6ed8eeff | 3415 | terminal->line_ins_del_ok |
fca177d4 KL |
3416 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3417 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3418 | || (terminal->scroll_region_ok |
fca177d4 | 3419 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3420 | |
6ed8eeff | 3421 | terminal->char_ins_del_ok |
fca177d4 KL |
3422 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3423 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3424 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3425 | |
6ed8eeff | 3426 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3427 | |
0b0d3e0b | 3428 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3429 | |
84704c5c | 3430 | #endif /* not DOS_NT */ |
635e3b29 | 3431 | |
0a125897 KL |
3432 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3433 | init_sys_modes (tty); | |
daf01701 | 3434 | |
6ed8eeff | 3435 | return terminal; |
08a24c47 JB |
3436 | } |
3437 | ||
b3ffc17c DN |
3438 | |
3439 | static void | |
3440 | vfatal (const char *str, va_list ap) | |
3441 | { | |
3442 | fprintf (stderr, "emacs: "); | |
3443 | vfprintf (stderr, str, ap); | |
3444 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3445 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
3446 | fflush (stderr); |
3447 | exit (1); | |
3448 | } | |
3449 | ||
3450 | ||
a4c6993d | 3451 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 3452 | Delete TERMINAL, then call error or fatal with str1 or str2, |
762b15be | 3453 | respectively, according to whether MUST_SUCCEED is zero or not. */ |
6b61353c | 3454 | |
3224dac1 | 3455 | static void |
b3ffc17c DN |
3456 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3457 | const char *str1, const char *str2, ...) | |
3224dac1 | 3458 | { |
b3ffc17c DN |
3459 | va_list ap; |
3460 | va_start (ap, str2); | |
6ed8eeff KL |
3461 | if (terminal) |
3462 | delete_tty (terminal); | |
f4d953fc | 3463 | |
3224dac1 | 3464 | if (must_succeed) |
b3ffc17c | 3465 | vfatal (str2, ap); |
3224dac1 | 3466 | else |
b3ffc17c | 3467 | verror (str1, ap); |
3224dac1 | 3468 | |
b3ffc17c | 3469 | va_end (ap); |
1088b922 | 3470 | emacs_abort (); |
08a24c47 JB |
3471 | } |
3472 | ||
dfcf069d | 3473 | void |
7c401d15 | 3474 | fatal (const char *str, ...) |
08a24c47 | 3475 | { |
7c401d15 DN |
3476 | va_list ap; |
3477 | va_start (ap, str); | |
b3ffc17c | 3478 | vfatal (str, ap); |
7c401d15 | 3479 | va_end (ap); |
08a24c47 | 3480 | } |
07c57952 | 3481 | |
819b8f00 KL |
3482 | \f |
3483 | ||
6ed8eeff | 3484 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3485 | |
ed8dad6b | 3486 | static void |
6ed8eeff | 3487 | delete_tty (struct terminal *terminal) |
072d84a6 | 3488 | { |
428a555e | 3489 | struct tty_display_info *tty; |
f4d953fc | 3490 | |
e2749141 | 3491 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3492 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3493 | if (!terminal->name) |
0a125897 | 3494 | return; |
fca177d4 | 3495 | |
6ed8eeff | 3496 | if (terminal->type != output_termcap) |
1088b922 | 3497 | emacs_abort (); |
428a555e | 3498 | |
6ed8eeff | 3499 | tty = terminal->display_info.tty; |
f4d953fc | 3500 | |
fca177d4 KL |
3501 | if (tty == tty_list) |
3502 | tty_list = tty->next; | |
3503 | else | |
3504 | { | |
28d7d09f | 3505 | struct tty_display_info *p; |
fca177d4 KL |
3506 | for (p = tty_list; p && p->next != tty; p = p->next) |
3507 | ; | |
3508 | ||
3509 | if (! p) | |
3510 | /* This should not happen. */ | |
1088b922 | 3511 | emacs_abort (); |
fca177d4 | 3512 | |
0a125897 KL |
3513 | p->next = tty->next; |
3514 | tty->next = 0; | |
fca177d4 KL |
3515 | } |
3516 | ||
7e59217d | 3517 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3518 | before delete_terminal. */ |
04c3243c | 3519 | reset_sys_modes (tty); |
fca177d4 | 3520 | |
6ed8eeff | 3521 | delete_terminal (terminal); |
3224dac1 | 3522 | |
70fdbb46 JM |
3523 | xfree (tty->name); |
3524 | xfree (tty->type); | |
daf01701 | 3525 | |
fca177d4 | 3526 | if (tty->input) |
819b8f00 KL |
3527 | { |
3528 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3529 | if (tty->input != stdin) | |
3530 | fclose (tty->input); | |
3531 | } | |
3532 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3533 | fclose (tty->output); |
3534 | if (tty->termscript) | |
3535 | fclose (tty->termscript); | |
daf01701 | 3536 | |
70fdbb46 JM |
3537 | xfree (tty->old_tty); |
3538 | xfree (tty->Wcm); | |
5f445726 JM |
3539 | xfree (tty->termcap_strings_buffer); |
3540 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3541 | |
fca177d4 | 3542 | xfree (tty); |
fca177d4 KL |
3543 | } |
3544 | ||
dfcf069d | 3545 | void |
d3da34e0 | 3546 | syms_of_term (void) |
07c57952 | 3547 | { |
29208e82 | 3548 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3549 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3550 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3551 | #ifdef TERMINFO |
3552 | system_uses_terminfo = 1; | |
3553 | #else | |
3554 | system_uses_terminfo = 0; | |
3555 | #endif | |
c291d9ef | 3556 | |
29208e82 | 3557 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 3558 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 3559 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3560 | See `suspend-tty'. */); |
e4019195 | 3561 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3562 | |
3563 | ||
29208e82 | 3564 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 3565 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 3566 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3567 | See `resume-tty'. */); |
e4019195 | 3568 | Vresume_tty_functions = Qnil; |
a168702a | 3569 | |
29208e82 | 3570 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3571 | doc: /* Non-nil means to make the cursor very visible. |
3572 | This only has an effect when running in a text terminal. | |
3573 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3574 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3575 | visible_cursor = 1; | |
3576 | ||
a168702a | 3577 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3578 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3579 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3580 | defsubr (&Stty_type); |
3581 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 3582 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
3583 | defsubr (&Ssuspend_tty); |
3584 | defsubr (&Sresume_tty); | |
7e5a23bd | 3585 | #ifdef HAVE_GPM |
6178ce5e SM |
3586 | defsubr (&Sgpm_mouse_start); |
3587 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3588 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3589 | |
84704c5c | 3590 | #ifndef DOS_NT |
3a7c5d40 CY |
3591 | default_orig_pair = NULL; |
3592 | default_set_foreground = NULL; | |
3593 | default_set_background = NULL; | |
84704c5c | 3594 | #endif /* !DOS_NT */ |
d31eee5e CY |
3595 | |
3596 | encode_terminal_src = NULL; | |
3597 | encode_terminal_dst = NULL; | |
07c57952 | 3598 | } |