Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
ab422c4d PE |
2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2013 Free Software |
3 | 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> |
59b3194c | 23 | #include <errno.h> |
49cdacda PE |
24 | #include <fcntl.h> |
25 | #include <stdio.h> | |
28d440ab | 26 | #include <sys/file.h> |
d35af63c | 27 | #include <sys/time.h> |
1ec5dc77 | 28 | #include <unistd.h> |
0c72d684 | 29 | |
9628b887 | 30 | #include "lisp.h" |
08a24c47 | 31 | #include "termchar.h" |
50938595 | 32 | #include "tparam.h" |
9332ea03 | 33 | #include "character.h" |
e5560ff7 | 34 | #include "buffer.h" |
a4decb7f KH |
35 | #include "charset.h" |
36 | #include "coding.h" | |
4c12d738 | 37 | #include "composite.h" |
2538fae4 | 38 | #include "keyboard.h" |
ff11dfa1 | 39 | #include "frame.h" |
08a24c47 JB |
40 | #include "disptab.h" |
41 | #include "termhooks.h" | |
dfcf069d | 42 | #include "dispextern.h" |
a168702a | 43 | #include "window.h" |
8feddab4 | 44 | #include "keymap.h" |
1a935bfd | 45 | #include "blockinput.h" |
03a1d6bd KL |
46 | #include "syssignal.h" |
47 | #include "systty.h" | |
c9612b8e | 48 | #include "intervals.h" |
84704c5c EZ |
49 | #ifdef MSDOS |
50 | #include "msdos.h" | |
51 | static int been_here = -1; | |
52 | #endif | |
a168702a | 53 | |
eccec691 | 54 | #include "cm.h" |
dfcf069d AS |
55 | #ifdef HAVE_X_WINDOWS |
56 | #include "xterm.h" | |
57 | #endif | |
c8951b18 | 58 | |
78048085 EZ |
59 | /* The name of the default console device. */ |
60 | #ifdef WINDOWSNT | |
61 | #define DEV_TTY "CONOUT$" | |
a68089e4 | 62 | #include "w32term.h" |
78048085 EZ |
63 | #else |
64 | #define DEV_TTY "/dev/tty" | |
65 | #endif | |
a168702a | 66 | |
f57e2426 J |
67 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
68 | static void turn_on_face (struct frame *, int face_id); | |
69 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 70 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
71 | static void tty_show_cursor (struct tty_display_info *); |
72 | static void tty_hide_cursor (struct tty_display_info *); | |
73 | static void tty_background_highlight (struct tty_display_info *tty); | |
64520e5c | 74 | static struct terminal *get_tty_terminal (Lisp_Object, int); |
f57e2426 J |
75 | static void clear_tty_hooks (struct terminal *terminal); |
76 | static void set_tty_hooks (struct terminal *terminal); | |
77 | static void dissociate_if_controlling_tty (int fd); | |
78 | static void delete_tty (struct terminal *); | |
845ca893 PE |
79 | static _Noreturn void maybe_fatal (int must_succeed, struct terminal *terminal, |
80 | const char *str1, const char *str2, ...) | |
81 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); | |
82 | static _Noreturn void vfatal (const char *str, va_list ap) | |
83 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 84 | |
a168702a | 85 | |
6548cf00 KL |
86 | #define OUTPUT(tty, a) \ |
87 | emacs_tputs ((tty), a, \ | |
88 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
89 | - curY (tty)), \ | |
90 | cmputc) | |
91 | ||
28d440ab KL |
92 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
93 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 94 | |
28d440ab | 95 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
96 | do { \ |
97 | if (a) \ | |
b286858c | 98 | OUTPUT (tty, a); \ |
6548cf00 | 99 | } while (0) |
177c0ea7 | 100 | |
28d440ab | 101 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 102 | |
f46c2aff | 103 | /* Display space properties */ |
08a24c47 | 104 | |
428a555e | 105 | /* Chain of all tty device parameters. */ |
28d7d09f | 106 | struct tty_display_info *tty_list; |
08a24c47 | 107 | |
4e6ba4a4 GM |
108 | /* Meaning of bits in no_color_video. Each bit set means that the |
109 | corresponding attribute cannot be combined with colors. */ | |
110 | ||
111 | enum no_color_bit | |
112 | { | |
113 | NC_STANDOUT = 1 << 0, | |
114 | NC_UNDERLINE = 1 << 1, | |
115 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 116 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
117 | NC_DIM = 1 << 4, |
118 | NC_BOLD = 1 << 5, | |
119 | NC_INVIS = 1 << 6, | |
cd4eb164 | 120 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
121 | }; |
122 | ||
08a24c47 JB |
123 | /* internal state */ |
124 | ||
8dd0c7cb | 125 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 126 | |
64520e5c | 127 | static int max_frame_cols; |
a168702a | 128 | |
08a24c47 | 129 | \f |
cb28b9c2 | 130 | |
7e5a23bd | 131 | #ifdef HAVE_GPM |
e882229c | 132 | #include <sys/fcntl.h> |
e882229c | 133 | |
71f44e7a SM |
134 | /* The device for which we have enabled gpm support (or NULL). */ |
135 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 136 | |
cf482c50 | 137 | /* Last recorded mouse coordinates. */ |
e882229c | 138 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 139 | #endif /* HAVE_GPM */ |
e882229c | 140 | |
da8e1115 | 141 | /* Ring the bell on a tty. */ |
c291d9ef | 142 | |
ed8dad6b | 143 | static void |
385ed61f | 144 | tty_ring_bell (struct frame *f) |
3224dac1 | 145 | { |
3224dac1 | 146 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 147 | |
b6660415 KL |
148 | if (tty->output) |
149 | { | |
150 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
151 | ? tty->TS_visible_bell | |
152 | : tty->TS_bell)); | |
153 | fflush (tty->output); | |
08a24c47 | 154 | } |
08a24c47 JB |
155 | } |
156 | ||
da8e1115 KL |
157 | /* Set up termcap modes for Emacs. */ |
158 | ||
64520e5c | 159 | static void |
6ed8eeff | 160 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 161 | { |
6ed8eeff | 162 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 163 | |
0b0d3e0b | 164 | if (tty->output) |
08a24c47 | 165 | { |
fbf34973 KL |
166 | if (tty->TS_termcap_modes) |
167 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 168 | else |
fbf34973 KL |
169 | { |
170 | /* Output enough newlines to scroll all the old screen contents | |
171 | off the screen, so it won't be overwritten and lost. */ | |
172 | int i; | |
a3c07f68 | 173 | current_tty = tty; |
fbf34973 | 174 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 175 | cmputc ('\n'); |
fbf34973 KL |
176 | } |
177 | ||
b58cb614 | 178 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
179 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
180 | losecursor (tty); | |
2f98e6e3 | 181 | fflush (tty->output); |
08a24c47 | 182 | } |
08a24c47 JB |
183 | } |
184 | ||
da8e1115 KL |
185 | /* Reset termcap modes before exiting Emacs. */ |
186 | ||
64520e5c | 187 | static void |
6ed8eeff | 188 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 189 | { |
6ed8eeff | 190 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
191 | |
192 | if (tty->output) | |
08a24c47 | 193 | { |
ed8dad6b KL |
194 | tty_turn_off_highlight (tty); |
195 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
196 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
197 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
198 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
199 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 200 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 201 | current_tty = tty; |
d284f58f | 202 | cmputc ('\r'); |
2f98e6e3 | 203 | fflush (tty->output); |
08a24c47 | 204 | } |
08a24c47 JB |
205 | } |
206 | ||
6ed8eeff | 207 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 208 | |
ed8dad6b | 209 | static void |
3224dac1 | 210 | tty_update_end (struct frame *f) |
08a24c47 | 211 | { |
3224dac1 | 212 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 213 | |
3224dac1 KL |
214 | if (!XWINDOW (selected_window)->cursor_off_p) |
215 | tty_show_cursor (tty); | |
ed8dad6b KL |
216 | tty_turn_off_insert (tty); |
217 | tty_background_highlight (tty); | |
08a24c47 JB |
218 | } |
219 | ||
da8e1115 KL |
220 | /* The implementation of set_terminal_window for termcap frames. */ |
221 | ||
ed8dad6b | 222 | static void |
385ed61f | 223 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 224 | { |
3224dac1 KL |
225 | struct tty_display_info *tty = FRAME_TTY (f); |
226 | ||
227 | tty->specified_window = size ? size : FRAME_LINES (f); | |
228 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 229 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
230 | } |
231 | ||
ed8dad6b KL |
232 | static void |
233 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
234 | { |
235 | char *buf; | |
28d7d09f | 236 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 237 | |
fca177d4 | 238 | if (tty->TS_set_scroll_region) |
50938595 | 239 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
240 | else if (tty->TS_set_scroll_region_1) |
241 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
242 | FRAME_LINES (f), start, |
243 | FRAME_LINES (f) - stop, | |
244 | FRAME_LINES (f)); | |
08a24c47 | 245 | else |
fca177d4 | 246 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 247 | |
6548cf00 | 248 | OUTPUT (tty, buf); |
9ac0d9e0 | 249 | xfree (buf); |
6548cf00 | 250 | losecursor (tty); |
08a24c47 | 251 | } |
d284f58f | 252 | |
08a24c47 | 253 | \f |
d284f58f | 254 | static void |
ed8dad6b | 255 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 256 | { |
fca177d4 KL |
257 | if (!tty->insert_mode) |
258 | OUTPUT (tty, tty->TS_insert_mode); | |
259 | tty->insert_mode = 1; | |
08a24c47 JB |
260 | } |
261 | ||
dfcf069d | 262 | void |
ed8dad6b | 263 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 264 | { |
fca177d4 KL |
265 | if (tty->insert_mode) |
266 | OUTPUT (tty, tty->TS_end_insert_mode); | |
267 | tty->insert_mode = 0; | |
08a24c47 JB |
268 | } |
269 | \f | |
54800acb | 270 | /* Handle highlighting. */ |
08a24c47 | 271 | |
64520e5c | 272 | static void |
ed8dad6b | 273 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 274 | { |
fca177d4 KL |
275 | if (tty->standout_mode) |
276 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
277 | tty->standout_mode = 0; | |
08a24c47 JB |
278 | } |
279 | ||
d284f58f | 280 | static void |
ed8dad6b | 281 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 282 | { |
fca177d4 KL |
283 | if (!tty->standout_mode) |
284 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
285 | tty->standout_mode = 1; | |
08a24c47 JB |
286 | } |
287 | ||
86a7d192 | 288 | static void |
ed8dad6b | 289 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 290 | { |
fca177d4 | 291 | if (tty->standout_mode) |
ed8dad6b | 292 | tty_turn_off_highlight (tty); |
86a7d192 | 293 | else |
ed8dad6b | 294 | tty_turn_on_highlight (tty); |
86a7d192 GM |
295 | } |
296 | ||
a168702a GM |
297 | |
298 | /* Make cursor invisible. */ | |
299 | ||
300 | static void | |
28d7d09f | 301 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 302 | { |
fca177d4 | 303 | if (tty->cursor_hidden == 0) |
d284f58f | 304 | { |
fca177d4 KL |
305 | tty->cursor_hidden = 1; |
306 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 307 | } |
a168702a GM |
308 | } |
309 | ||
310 | ||
311 | /* Ensure that cursor is visible. */ | |
312 | ||
313 | static void | |
28d7d09f | 314 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 315 | { |
fca177d4 | 316 | if (tty->cursor_hidden) |
d284f58f | 317 | { |
fca177d4 KL |
318 | tty->cursor_hidden = 0; |
319 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 320 | if (visible_cursor) |
b58cb614 | 321 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 322 | } |
a168702a GM |
323 | } |
324 | ||
325 | ||
08a24c47 JB |
326 | /* Set standout mode to the state it should be in for |
327 | empty space inside windows. What this is, | |
328 | depends on the user option inverse-video. */ | |
329 | ||
ed8dad6b KL |
330 | static void |
331 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 332 | { |
08a24c47 | 333 | if (inverse_video) |
ed8dad6b | 334 | tty_turn_on_highlight (tty); |
08a24c47 | 335 | else |
ed8dad6b | 336 | tty_turn_off_highlight (tty); |
08a24c47 JB |
337 | } |
338 | ||
339 | /* Set standout mode to the mode specified for the text to be output. */ | |
340 | ||
dfcf069d | 341 | static void |
ed8dad6b | 342 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 343 | { |
8ede64a5 | 344 | if (inverse_video) |
ed8dad6b | 345 | tty_turn_on_highlight (tty); |
8ede64a5 | 346 | else |
ed8dad6b | 347 | tty_turn_off_highlight (tty); |
08a24c47 JB |
348 | } |
349 | \f | |
350 | ||
a168702a GM |
351 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
352 | frame-relative coordinates. */ | |
08a24c47 | 353 | |
ed8dad6b | 354 | static void |
385ed61f | 355 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 356 | { |
3224dac1 | 357 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 358 | |
36cae867 KH |
359 | /* Detect the case where we are called from reset_sys_modes |
360 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 361 | if (! tty->costs_set) |
36cae867 KH |
362 | return; |
363 | ||
6548cf00 KL |
364 | if (curY (tty) == vpos |
365 | && curX (tty) == hpos) | |
08a24c47 | 366 | return; |
fca177d4 | 367 | if (!tty->TF_standout_motion) |
ed8dad6b | 368 | tty_background_highlight (tty); |
fca177d4 | 369 | if (!tty->TF_insmode_motion) |
ed8dad6b | 370 | tty_turn_off_insert (tty); |
6548cf00 | 371 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
372 | } |
373 | ||
374 | /* Similar but don't take any account of the wasted characters. */ | |
375 | ||
ed8dad6b | 376 | static void |
385ed61f | 377 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 378 | { |
3224dac1 KL |
379 | struct tty_display_info *tty = FRAME_TTY (f); |
380 | ||
6548cf00 KL |
381 | if (curY (tty) == row |
382 | && curX (tty) == col) | |
08a24c47 | 383 | return; |
fca177d4 | 384 | if (!tty->TF_standout_motion) |
ed8dad6b | 385 | tty_background_highlight (tty); |
fca177d4 | 386 | if (!tty->TF_insmode_motion) |
ed8dad6b | 387 | tty_turn_off_insert (tty); |
6548cf00 | 388 | cmgoto (tty, row, col); |
08a24c47 JB |
389 | } |
390 | \f | |
391 | /* Erase operations */ | |
392 | ||
da8e1115 KL |
393 | /* Clear from cursor to end of frame on a termcap device. */ |
394 | ||
ed8dad6b | 395 | static void |
385ed61f | 396 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
397 | { |
398 | register int i; | |
3224dac1 | 399 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 400 | |
fca177d4 | 401 | if (tty->TS_clr_to_bottom) |
08a24c47 | 402 | { |
ed8dad6b | 403 | tty_background_highlight (tty); |
fca177d4 | 404 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
405 | } |
406 | else | |
407 | { | |
6548cf00 | 408 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 409 | { |
385ed61f KL |
410 | cursor_to (f, i, 0); |
411 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
412 | } |
413 | } | |
414 | } | |
415 | ||
da8e1115 | 416 | /* Clear an entire termcap frame. */ |
08a24c47 | 417 | |
ed8dad6b | 418 | static void |
385ed61f | 419 | tty_clear_frame (struct frame *f) |
08a24c47 | 420 | { |
3224dac1 | 421 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 422 | |
fca177d4 | 423 | if (tty->TS_clr_frame) |
08a24c47 | 424 | { |
ed8dad6b | 425 | tty_background_highlight (tty); |
fca177d4 | 426 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 427 | cmat (tty, 0, 0); |
08a24c47 JB |
428 | } |
429 | else | |
430 | { | |
385ed61f KL |
431 | cursor_to (f, 0, 0); |
432 | clear_to_end (f); | |
08a24c47 JB |
433 | } |
434 | } | |
435 | ||
da8e1115 | 436 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
437 | |
438 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
439 | ||
ed8dad6b | 440 | static void |
385ed61f | 441 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
442 | { |
443 | register int i; | |
3224dac1 | 444 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 445 | |
36cae867 KH |
446 | /* Detect the case where we are called from reset_sys_modes |
447 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 448 | if (! tty->costs_set) |
36cae867 KH |
449 | return; |
450 | ||
6548cf00 | 451 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 452 | return; |
ed8dad6b | 453 | tty_background_highlight (tty); |
fca177d4 | 454 | if (tty->TS_clr_line) |
08a24c47 | 455 | { |
fca177d4 | 456 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
457 | } |
458 | else | |
459 | { /* have to do it the hard way */ | |
ed8dad6b | 460 | tty_turn_off_insert (tty); |
08a24c47 | 461 | |
a168702a | 462 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 463 | if (AutoWrap (tty) |
0a125897 KL |
464 | && curY (tty) == FrameRows (tty) - 1 |
465 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
466 | first_unused_hpos--; |
467 | ||
6548cf00 | 468 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 469 | { |
0b0d3e0b KL |
470 | if (tty->termscript) |
471 | fputc (' ', tty->termscript); | |
472 | fputc (' ', tty->output); | |
08a24c47 | 473 | } |
6548cf00 | 474 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
475 | } |
476 | } | |
477 | \f | |
288d5132 KH |
478 | /* Buffers to store the source and result of code conversion for terminal. */ |
479 | static unsigned char *encode_terminal_src; | |
480 | static unsigned char *encode_terminal_dst; | |
481 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
482 | static ptrdiff_t encode_terminal_src_size; |
483 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
484 | |
485 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
486 | Set CODING->produced to the byte-length of the resulting byte | |
487 | sequence, and return a pointer to that byte sequence. */ | |
488 | ||
7ef4b50c | 489 | unsigned char * |
d3da34e0 | 490 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 491 | { |
feef4f84 | 492 | struct glyph *src_end = src + src_len; |
288d5132 | 493 | unsigned char *buf; |
fee31f82 PE |
494 | ptrdiff_t nchars, nbytes, required; |
495 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 496 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 497 | Lisp_Object charset_list; |
c5a518df | 498 | |
288d5132 KH |
499 | /* Allocate sufficient size of buffer to store all characters in |
500 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
501 | Vglyph_table contains a string or a composite glyph is |
502 | encountered. */ | |
fee31f82 PE |
503 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
504 | memory_full (SIZE_MAX); | |
505 | required = src_len; | |
506 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
507 | if (encode_terminal_src_size < required) |
508 | { | |
fee31f82 | 509 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
510 | encode_terminal_src_size = required; |
511 | } | |
6589fd67 | 512 | |
288d5132 | 513 | charset_list = coding_charset_list (coding); |
a4decb7f | 514 | |
288d5132 KH |
515 | buf = encode_terminal_src; |
516 | nchars = 0; | |
517 | while (src < src_end) | |
a4decb7f | 518 | { |
4c12d738 KH |
519 | if (src->type == COMPOSITE_GLYPH) |
520 | { | |
c2ed9c8b PE |
521 | struct composition *cmp IF_LINT (= NULL); |
522 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
523 | int i; |
524 | ||
525 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
526 | if (src->u.cmp.automatic) |
527 | { | |
528 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 529 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
530 | } |
531 | else | |
532 | { | |
533 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
534 | required = cmp->glyph_len; |
535 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 536 | } |
4c12d738 | 537 | |
fee31f82 | 538 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 539 | { |
0065d054 PE |
540 | encode_terminal_src = |
541 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
542 | required - (encode_terminal_src_size - nbytes), | |
543 | -1, 1); | |
4c12d738 KH |
544 | buf = encode_terminal_src + nbytes; |
545 | } | |
546 | ||
75a10786 | 547 | if (src->u.cmp.automatic) |
4be9765d | 548 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
549 | { |
550 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
551 | int c = LGLYPH_CHAR (g); | |
552 | ||
553 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 554 | c = '?'; |
75a10786 KH |
555 | buf += CHAR_STRING (c, buf); |
556 | nchars++; | |
557 | } | |
558 | else | |
559 | for (i = 0; i < cmp->glyph_len; i++) | |
560 | { | |
561 | int c = COMPOSITION_GLYPH (cmp, i); | |
562 | ||
bd01620e EZ |
563 | /* TAB in a composition means display glyphs with |
564 | padding space on the left or right. */ | |
d0984aff KH |
565 | if (c == '\t') |
566 | continue; | |
567 | if (char_charset (c, charset_list, NULL)) | |
568 | { | |
569 | if (CHAR_WIDTH (c) == 0 | |
570 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
571 | /* Should be left-padded */ | |
572 | { | |
573 | buf += CHAR_STRING (' ', buf); | |
574 | nchars++; | |
575 | } | |
576 | } | |
577 | else | |
578 | c = '?'; | |
75a10786 KH |
579 | buf += CHAR_STRING (c, buf); |
580 | nchars++; | |
581 | } | |
4c12d738 | 582 | } |
a4decb7f | 583 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 584 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 585 | { |
f4d953fc | 586 | GLYPH g; |
c2ed9c8b | 587 | int c IF_LINT (= 0); |
288d5132 KH |
588 | Lisp_Object string; |
589 | ||
4ae0a2c0 | 590 | string = Qnil; |
f4d953fc | 591 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 592 | |
f4d953fc | 593 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 594 | { |
f185a758 | 595 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
596 | c = src->u.ch; |
597 | } | |
32de38e4 | 598 | else |
a4decb7f | 599 | { |
32de38e4 | 600 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
601 | so process any alias before testing for simpleness. */ |
602 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
603 | |
604 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
605 | /* We set the multi-byte form of a character in G |
606 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 607 | c = GLYPH_CHAR (g); |
32de38e4 | 608 | else |
4ae0a2c0 | 609 | /* We have a string in Vglyph_table. */ |
f4d953fc | 610 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 611 | } |
177c0ea7 | 612 | |
4ae0a2c0 | 613 | if (NILP (string)) |
c42869c4 | 614 | { |
4c12d738 | 615 | nbytes = buf - encode_terminal_src; |
fee31f82 | 616 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 617 | { |
0065d054 PE |
618 | encode_terminal_src = |
619 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
620 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
621 | buf = encode_terminal_src + nbytes; |
622 | } | |
d419e1d9 KH |
623 | if (CHAR_BYTE8_P (c) |
624 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 625 | { |
288d5132 KH |
626 | /* Store the multibyte form of C at BUF. */ |
627 | buf += CHAR_STRING (c, buf); | |
628 | nchars++; | |
c5a518df KH |
629 | } |
630 | else | |
631 | { | |
288d5132 KH |
632 | /* C is not encodable. */ |
633 | *buf++ = '?'; | |
c5a518df | 634 | nchars++; |
288d5132 KH |
635 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
636 | { | |
637 | *buf++ = '?'; | |
638 | nchars++; | |
639 | src++; | |
640 | } | |
c5a518df | 641 | } |
4ae0a2c0 KH |
642 | } |
643 | else | |
644 | { | |
288d5132 KH |
645 | if (! STRING_MULTIBYTE (string)) |
646 | string = string_to_multibyte (string); | |
647 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 648 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 649 | { |
0065d054 PE |
650 | encode_terminal_src = |
651 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
652 | (SBYTES (string) | |
653 | - (encode_terminal_src_size - nbytes)), | |
654 | -1, 1); | |
288d5132 | 655 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 656 | } |
72af86bd | 657 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
658 | buf += SBYTES (string); |
659 | nchars += SCHARS (string); | |
c42869c4 | 660 | } |
a4decb7f | 661 | } |
288d5132 KH |
662 | src++; |
663 | } | |
664 | ||
665 | if (nchars == 0) | |
666 | { | |
667 | coding->produced = 0; | |
668 | return NULL; | |
a4decb7f | 669 | } |
177c0ea7 | 670 | |
288d5132 KH |
671 | nbytes = buf - encode_terminal_src; |
672 | coding->source = encode_terminal_src; | |
673 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 674 | { |
fee31f82 PE |
675 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
676 | encode_terminal_src_size); | |
288d5132 | 677 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 678 | } |
288d5132 KH |
679 | coding->destination = encode_terminal_dst; |
680 | coding->dst_bytes = encode_terminal_dst_size; | |
681 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 682 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
683 | encode_terminal_dst = coding->destination; |
684 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 685 | |
288d5132 | 686 | return (encode_terminal_dst); |
a4decb7f KH |
687 | } |
688 | ||
08a24c47 | 689 | |
c73bd236 | 690 | |
da8e1115 KL |
691 | /* An implementation of write_glyphs for termcap frames. */ |
692 | ||
ed8dad6b | 693 | static void |
385ed61f | 694 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 695 | { |
288d5132 KH |
696 | unsigned char *conversion_buffer; |
697 | struct coding_system *coding; | |
5c5cdd39 | 698 | size_t n, stringlen; |
08a24c47 | 699 | |
3224dac1 | 700 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 701 | |
ed8dad6b | 702 | tty_turn_off_insert (tty); |
fca177d4 | 703 | tty_hide_cursor (tty); |
08a24c47 | 704 | |
a168702a | 705 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 706 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 707 | |
6548cf00 KL |
708 | if (AutoWrap (tty) |
709 | && curY (tty) + 1 == FRAME_LINES (f) | |
710 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 711 | len --; |
a4decb7f KH |
712 | if (len <= 0) |
713 | return; | |
08a24c47 | 714 | |
6548cf00 | 715 | cmplus (tty, len); |
177c0ea7 | 716 | |
af645abf KH |
717 | /* If terminal_coding does any conversion, use it, otherwise use |
718 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
719 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
720 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
721 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
722 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
723 | the tail. */ | |
af645abf | 724 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 725 | |
5c5cdd39 | 726 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 727 | { |
a168702a | 728 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 729 | int face_id = string->face_id; |
177c0ea7 | 730 | |
5c5cdd39 | 731 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 732 | if (string[n].face_id != face_id) |
a168702a GM |
733 | break; |
734 | ||
735 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 736 | tty_highlight_if_desired (tty); |
a168702a GM |
737 | turn_on_face (f, face_id); |
738 | ||
5c5cdd39 | 739 | if (n == stringlen) |
288d5132 KH |
740 | /* This is the last run. */ |
741 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
742 | conversion_buffer = encode_terminal_code (string, n, coding); | |
743 | if (coding->produced > 0) | |
08a24c47 | 744 | { |
4d7e6e51 | 745 | block_input (); |
fad2f685 KL |
746 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
747 | if (ferror (tty->output)) | |
748 | clearerr (tty->output); | |
749 | if (tty->termscript) | |
750 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 751 | unblock_input (); |
08a24c47 | 752 | } |
288d5132 | 753 | string += n; |
a168702a GM |
754 | |
755 | /* Turn appearance modes off. */ | |
756 | turn_off_face (f, face_id); | |
ed8dad6b | 757 | tty_turn_off_highlight (tty); |
a4decb7f | 758 | } |
177c0ea7 | 759 | |
6548cf00 | 760 | cmcheckmagic (tty); |
08a24c47 JB |
761 | } |
762 | ||
b870aa61 SM |
763 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
764 | ||
7be1c21a | 765 | static void |
d3da34e0 JB |
766 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
767 | register int len, register int face_id) | |
e882229c | 768 | { |
e882229c NR |
769 | unsigned char *conversion_buffer; |
770 | struct coding_system *coding; | |
771 | ||
7be1c21a MB |
772 | struct tty_display_info *tty = FRAME_TTY (f); |
773 | ||
774 | tty_turn_off_insert (tty); | |
775 | tty_hide_cursor (tty); | |
e882229c NR |
776 | |
777 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
778 | since that would scroll the whole frame on some terminals. */ | |
779 | ||
7be1c21a MB |
780 | if (AutoWrap (tty) |
781 | && curY (tty) + 1 == FRAME_LINES (f) | |
782 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
783 | len --; |
784 | if (len <= 0) | |
785 | return; | |
786 | ||
7be1c21a | 787 | cmplus (tty, len); |
e882229c NR |
788 | |
789 | /* If terminal_coding does any conversion, use it, otherwise use | |
790 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
791 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
792 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
793 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
794 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
795 | the tail. */ | |
796 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
797 | ||
e882229c | 798 | /* Turn appearance modes of the face. */ |
7be1c21a | 799 | tty_highlight_if_desired (tty); |
e882229c NR |
800 | turn_on_face (f, face_id); |
801 | ||
802 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
803 | conversion_buffer = encode_terminal_code (string, len, coding); | |
804 | if (coding->produced > 0) | |
805 | { | |
4d7e6e51 | 806 | block_input (); |
7be1c21a MB |
807 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
808 | if (ferror (tty->output)) | |
809 | clearerr (tty->output); | |
810 | if (tty->termscript) | |
811 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 812 | unblock_input (); |
e882229c NR |
813 | } |
814 | ||
815 | /* Turn appearance modes off. */ | |
816 | turn_off_face (f, face_id); | |
7be1c21a | 817 | tty_turn_off_highlight (tty); |
e882229c | 818 | |
7be1c21a | 819 | cmcheckmagic (tty); |
e882229c | 820 | } |
b870aa61 | 821 | #endif |
e882229c | 822 | |
da8e1115 | 823 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 824 | |
ed8dad6b | 825 | static void |
385ed61f | 826 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
827 | { |
828 | char *buf; | |
6bbd7a29 | 829 | struct glyph *glyph = NULL; |
af645abf KH |
830 | unsigned char *conversion_buffer; |
831 | unsigned char space[1]; | |
832 | struct coding_system *coding; | |
08a24c47 | 833 | |
3224dac1 | 834 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 835 | |
fca177d4 | 836 | if (tty->TS_ins_multi_chars) |
08a24c47 | 837 | { |
50938595 | 838 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 839 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 840 | xfree (buf); |
08a24c47 | 841 | if (start) |
385ed61f | 842 | write_glyphs (f, start, len); |
08a24c47 JB |
843 | return; |
844 | } | |
845 | ||
ed8dad6b | 846 | tty_turn_on_insert (tty); |
6548cf00 | 847 | cmplus (tty, len); |
288d5132 KH |
848 | |
849 | if (! start) | |
850 | space[0] = SPACEGLYPH; | |
851 | ||
852 | /* If terminal_coding does any conversion, use it, otherwise use | |
853 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
854 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
855 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
856 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
857 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
858 | the tail. */ | |
859 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
860 | ||
07109bf9 | 861 | while (len-- > 0) |
08a24c47 | 862 | { |
fca177d4 | 863 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 864 | if (!start) |
32de38e4 | 865 | { |
288d5132 KH |
866 | conversion_buffer = space; |
867 | coding->produced = 1; | |
32de38e4 | 868 | } |
08a24c47 | 869 | else |
08a24c47 | 870 | { |
ed8dad6b | 871 | tty_highlight_if_desired (tty); |
32de38e4 | 872 | turn_on_face (f, start->face_id); |
816be8b8 | 873 | glyph = start; |
a168702a | 874 | ++start; |
a4decb7f KH |
875 | /* We must open sufficient space for a character which |
876 | occupies more than one column. */ | |
a168702a | 877 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 878 | { |
fca177d4 | 879 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
880 | start++, len--; |
881 | } | |
288d5132 KH |
882 | |
883 | if (len <= 0) | |
884 | /* This is the last glyph. */ | |
885 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
886 | ||
fad2f685 | 887 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 888 | } |
a4decb7f | 889 | |
288d5132 | 890 | if (coding->produced > 0) |
08a24c47 | 891 | { |
4d7e6e51 | 892 | block_input (); |
fad2f685 | 893 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
894 | if (ferror (tty->output)) |
895 | clearerr (tty->output); | |
896 | if (tty->termscript) | |
fad2f685 | 897 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
4d7e6e51 | 898 | unblock_input (); |
08a24c47 JB |
899 | } |
900 | ||
fca177d4 | 901 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 902 | if (start) |
65aa5e85 GM |
903 | { |
904 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 905 | tty_turn_off_highlight (tty); |
65aa5e85 | 906 | } |
9a6b6f92 | 907 | } |
177c0ea7 | 908 | |
6548cf00 | 909 | cmcheckmagic (tty); |
08a24c47 JB |
910 | } |
911 | ||
da8e1115 KL |
912 | /* An implementation of delete_glyphs for termcap frames. */ |
913 | ||
ed8dad6b | 914 | static void |
385ed61f | 915 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
916 | { |
917 | char *buf; | |
918 | register int i; | |
919 | ||
3224dac1 | 920 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 921 | |
fca177d4 | 922 | if (tty->delete_in_insert_mode) |
08a24c47 | 923 | { |
ed8dad6b | 924 | tty_turn_on_insert (tty); |
08a24c47 JB |
925 | } |
926 | else | |
927 | { | |
ed8dad6b | 928 | tty_turn_off_insert (tty); |
fca177d4 | 929 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
930 | } |
931 | ||
fca177d4 | 932 | if (tty->TS_del_multi_chars) |
08a24c47 | 933 | { |
50938595 | 934 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 935 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 936 | xfree (buf); |
08a24c47 JB |
937 | } |
938 | else | |
939 | for (i = 0; i < n; i++) | |
fca177d4 KL |
940 | OUTPUT1 (tty, tty->TS_del_char); |
941 | if (!tty->delete_in_insert_mode) | |
942 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
943 | } |
944 | \f | |
da8e1115 | 945 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 946 | |
ed8dad6b | 947 | static void |
385ed61f | 948 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 949 | { |
3224dac1 | 950 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
951 | const char *multi = |
952 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
953 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
954 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 | 955 | |
71376d4b PE |
956 | int i = eabs (n); |
957 | char *buf; | |
08a24c47 | 958 | |
08a24c47 JB |
959 | /* If the lines below the insertion are being pushed |
960 | into the end of the window, this is the same as clearing; | |
961 | and we know the lines are already clear, since the matching | |
962 | deletion has already been done. So can ignore this. */ | |
963 | /* If the lines below the deletion are blank lines coming | |
964 | out of the end of the window, don't bother, | |
965 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
966 | if (FRAME_SCROLL_REGION_OK (f) |
967 | && vpos + i >= tty->specified_window) | |
08a24c47 | 968 | return; |
3224dac1 KL |
969 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
970 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 971 | return; |
f4d953fc | 972 | |
08a24c47 JB |
973 | if (multi) |
974 | { | |
6839f1e2 | 975 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 976 | tty_background_highlight (tty); |
50938595 | 977 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 978 | OUTPUT (tty, buf); |
9ac0d9e0 | 979 | xfree (buf); |
08a24c47 JB |
980 | } |
981 | else if (single) | |
982 | { | |
6839f1e2 | 983 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 984 | tty_background_highlight (tty); |
08a24c47 | 985 | while (--i >= 0) |
3224dac1 KL |
986 | OUTPUT (tty, single); |
987 | if (tty->TF_teleray) | |
988 | curX (tty) = 0; | |
08a24c47 JB |
989 | } |
990 | else | |
991 | { | |
ed8dad6b | 992 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 993 | if (n < 0) |
6839f1e2 | 994 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 995 | else |
6839f1e2 | 996 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 997 | tty_background_highlight (tty); |
08a24c47 | 998 | while (--i >= 0) |
3224dac1 | 999 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1000 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1001 | } |
f4d953fc | 1002 | |
3224dac1 KL |
1003 | if (!FRAME_SCROLL_REGION_OK (f) |
1004 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1005 | && n < 0) | |
08a24c47 | 1006 | { |
385ed61f KL |
1007 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1008 | clear_to_end (f); | |
08a24c47 JB |
1009 | } |
1010 | } | |
1011 | \f | |
1012 | /* Compute cost of sending "str", in characters, | |
1013 | not counting any line-dependent padding. */ | |
1014 | ||
1015 | int | |
8ea90aa3 | 1016 | string_cost (const char *str) |
08a24c47 JB |
1017 | { |
1018 | cost = 0; | |
1019 | if (str) | |
1020 | tputs (str, 0, evalcost); | |
1021 | return cost; | |
1022 | } | |
1023 | ||
1024 | /* Compute cost of sending "str", in characters, | |
1025 | counting any line-dependent padding at one line. */ | |
1026 | ||
1027 | static int | |
8ea90aa3 | 1028 | string_cost_one_line (const char *str) |
08a24c47 JB |
1029 | { |
1030 | cost = 0; | |
1031 | if (str) | |
1032 | tputs (str, 1, evalcost); | |
1033 | return cost; | |
1034 | } | |
1035 | ||
1036 | /* Compute per line amount of line-dependent padding, | |
1037 | in tenths of characters. */ | |
1038 | ||
1039 | int | |
8ea90aa3 | 1040 | per_line_cost (const char *str) |
08a24c47 JB |
1041 | { |
1042 | cost = 0; | |
1043 | if (str) | |
1044 | tputs (str, 0, evalcost); | |
1045 | cost = - cost; | |
1046 | if (str) | |
1047 | tputs (str, 10, evalcost); | |
1048 | return cost; | |
1049 | } | |
1050 | ||
08a24c47 | 1051 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1052 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1053 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1054 | |
1055 | int *char_ins_del_vector; | |
1056 | ||
9882535b | 1057 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1058 | |
1059 | /* ARGSUSED */ | |
1060 | static void | |
6839f1e2 | 1061 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1062 | { |
28d7d09f | 1063 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1064 | int ins_startup_cost, del_startup_cost; |
1065 | int ins_cost_per_char, del_cost_per_char; | |
1066 | register int i; | |
1067 | register int *p; | |
1068 | ||
fca177d4 | 1069 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1070 | { |
1071 | ins_cost_per_char = 0; | |
fca177d4 | 1072 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1073 | } |
fca177d4 KL |
1074 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1075 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1076 | { |
fca177d4 KL |
1077 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1078 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1079 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1080 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1081 | } |
1082 | else | |
1083 | { | |
1084 | ins_startup_cost = 9999; | |
1085 | ins_cost_per_char = 0; | |
1086 | } | |
1087 | ||
fca177d4 | 1088 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1089 | { |
1090 | del_cost_per_char = 0; | |
fca177d4 | 1091 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1092 | } |
fca177d4 | 1093 | else if (tty->TS_del_char) |
08a24c47 | 1094 | { |
fca177d4 KL |
1095 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1096 | + string_cost (tty->TS_end_delete_mode)); | |
1097 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1098 | del_startup_cost /= 2; |
fca177d4 | 1099 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1100 | } |
1101 | else | |
1102 | { | |
1103 | del_startup_cost = 9999; | |
1104 | del_cost_per_char = 0; | |
1105 | } | |
1106 | ||
1107 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1108 | p = &char_ins_del_cost (f)[0]; |
1109 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1110 | *--p = (del_startup_cost += del_cost_per_char); |
1111 | ||
1112 | /* Doing nothing is free */ | |
fca177d4 | 1113 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1114 | *p++ = 0; |
1115 | ||
1116 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1117 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1118 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1119 | } | |
1120 | ||
dfcf069d | 1121 | void |
6839f1e2 | 1122 | calculate_costs (struct frame *frame) |
08a24c47 | 1123 | { |
9f732a77 | 1124 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1125 | |
28d440ab | 1126 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1127 | { |
1128 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1129 | register const char *f = (tty->TS_set_scroll_region |
1130 | ? tty->TS_set_scroll_region | |
1131 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1132 | |
daf01701 | 1133 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1134 | |
daf01701 | 1135 | tty->costs_set = 1; |
08a24c47 | 1136 | |
daf01701 KL |
1137 | /* These variables are only used for terminal stuff. They are |
1138 | allocated once for the terminal frame of X-windows emacs, but not | |
1139 | used afterwards. | |
8dd0c7cb | 1140 | |
daf01701 KL |
1141 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1142 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1143 | |
daf01701 | 1144 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1145 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1146 | < max_frame_cols) | |
fee31f82 | 1147 | memory_full (SIZE_MAX); |
08a24c47 | 1148 | |
0065d054 PE |
1149 | char_ins_del_vector = |
1150 | xrealloc (char_ins_del_vector, | |
1151 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1152 | |
72af86bd | 1153 | memset (char_ins_del_vector, 0, |
0065d054 | 1154 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1155 | |
daf01701 KL |
1156 | |
1157 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1158 | do_line_insertion_deletion_costs (frame, | |
1159 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1160 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1161 | f, f, 1); | |
1162 | else | |
1163 | do_line_insertion_deletion_costs (frame, | |
1164 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1165 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1166 | 0, 0, 1); | |
1167 | ||
1168 | calculate_ins_del_char_costs (frame); | |
1169 | ||
1170 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1171 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1172 | tty->RPov = string_cost (tty->TS_repeat); | |
1173 | else | |
1174 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1175 | |
daf01701 KL |
1176 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1177 | } | |
08a24c47 JB |
1178 | } |
1179 | \f | |
a796ac82 | 1180 | struct fkey_table { |
fbceeba2 | 1181 | const char *cap, *name; |
a796ac82 JB |
1182 | }; |
1183 | ||
01d8deb0 ER |
1184 | /* Termcap capability names that correspond directly to X keysyms. |
1185 | Some of these (marked "terminfo") aren't supplied by old-style | |
1186 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1187 | except we put the keypad keys first, so that if they clash with | |
1188 | other keys (as on the IBM PC keyboard) they get overridden. | |
1189 | */ | |
1190 | ||
648801d1 | 1191 | static const struct fkey_table keys[] = |
a168702a | 1192 | { |
8103ad1a PJ |
1193 | {"kh", "home"}, /* termcap */ |
1194 | {"kl", "left"}, /* termcap */ | |
1195 | {"ku", "up"}, /* termcap */ | |
1196 | {"kr", "right"}, /* termcap */ | |
1197 | {"kd", "down"}, /* termcap */ | |
1198 | {"%8", "prior"}, /* terminfo */ | |
1199 | {"%5", "next"}, /* terminfo */ | |
1200 | {"@7", "end"}, /* terminfo */ | |
1201 | {"@1", "begin"}, /* terminfo */ | |
1202 | {"*6", "select"}, /* terminfo */ | |
1203 | {"%9", "print"}, /* terminfo */ | |
1204 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1205 | /* |
1206 | * "insert" --- see below | |
1207 | */ | |
8103ad1a PJ |
1208 | {"&8", "undo"}, /* terminfo */ |
1209 | {"%0", "redo"}, /* terminfo */ | |
1210 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1211 | {"@0", "find"}, /* terminfo */ | |
1212 | {"@2", "cancel"}, /* terminfo */ | |
1213 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1214 | /* |
1215 | * "break" goes here, but can't be reliably intercepted with termcap | |
1216 | */ | |
8103ad1a | 1217 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1218 | /* |
1219 | * "system" and "user" --- no termcaps | |
1220 | */ | |
8103ad1a PJ |
1221 | {"kE", "clearline"}, /* terminfo */ |
1222 | {"kA", "insertline"}, /* terminfo */ | |
1223 | {"kL", "deleteline"}, /* terminfo */ | |
1224 | {"kI", "insertchar"}, /* terminfo */ | |
1225 | {"kD", "deletechar"}, /* terminfo */ | |
1226 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1227 | /* |
1228 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1229 | */ | |
8103ad1a | 1230 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1231 | /* |
1232 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1233 | * "kp-multiply", "kp-add", "kp-separator", | |
1234 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1235 | * --- no termcaps for any of these. | |
1236 | */ | |
8103ad1a | 1237 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1238 | /* |
1239 | * "kp-2" --- no termcap | |
1240 | */ | |
8103ad1a | 1241 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1242 | /* |
1243 | * "kp-4" --- no termcap | |
1244 | */ | |
8103ad1a | 1245 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1246 | /* |
1247 | * "kp-6" --- no termcap | |
1248 | */ | |
8103ad1a | 1249 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1250 | /* |
1251 | * "kp-8" --- no termcap | |
1252 | */ | |
8103ad1a | 1253 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1254 | /* |
1255 | * "kp-equal" --- no termcap | |
1256 | */ | |
8103ad1a PJ |
1257 | {"k1", "f1"}, |
1258 | {"k2", "f2"}, | |
1259 | {"k3", "f3"}, | |
1260 | {"k4", "f4"}, | |
1261 | {"k5", "f5"}, | |
1262 | {"k6", "f6"}, | |
1263 | {"k7", "f7"}, | |
1264 | {"k8", "f8"}, | |
60ec7b7e DN |
1265 | {"k9", "f9"}, |
1266 | ||
1267 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1268 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1269 | {"*0", "S-find"}, /*shifted find key*/ | |
1270 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1271 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1272 | {"*7", "S-end"}, /*shifted end key*/ | |
1273 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1274 | {"#1", "S-help"}, /*shifted help key*/ | |
1275 | {"#2", "S-home"}, /*shifted home key*/ | |
1276 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1277 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1278 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1279 | {"%c", "S-next"}, /*shifted next key*/ | |
1280 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1281 | {"%f", "S-print"}, /*shifted print key*/ | |
1282 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1283 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1284 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1285 | }; |
1286 | ||
361358ea | 1287 | #ifndef DOS_NT |
e7cf0fa0 KL |
1288 | static char **term_get_fkeys_address; |
1289 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1290 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1291 | |
4f4a84ec | 1292 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1293 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1294 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1295 | |
ed8dad6b | 1296 | static void |
d3da34e0 | 1297 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1298 | { |
1299 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1300 | errors during the call. The only errors should be from Fdefine_key | |
1301 | when given a key sequence containing an invalid prefix key. If the | |
1302 | termcap defines function keys which use a prefix that is already bound | |
1303 | to a command by the default bindings, we should silently ignore that | |
1304 | function key specification, rather than giving the user an error and | |
1305 | refusing to run at all on such a terminal. */ | |
1306 | ||
e7cf0fa0 KL |
1307 | term_get_fkeys_address = address; |
1308 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1309 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1310 | } | |
1311 | ||
1312 | static Lisp_Object | |
d3da34e0 | 1313 | term_get_fkeys_1 (void) |
5c2c7893 | 1314 | { |
5c2c7893 JB |
1315 | int i; |
1316 | ||
e7cf0fa0 KL |
1317 | char **address = term_get_fkeys_address; |
1318 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1319 | |
3e65092f | 1320 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1321 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1322 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1323 | |
5c2c7893 JB |
1324 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1325 | { | |
1326 | char *sequence = tgetstr (keys[i].cap, address); | |
1327 | if (sequence) | |
1344aad4 | 1328 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1329 | Fmake_vector (make_number (1), |
1330 | intern (keys[i].name))); | |
5c2c7893 | 1331 | } |
a796ac82 JB |
1332 | |
1333 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1334 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1335 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1336 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1337 | */ | |
1338 | { | |
fbceeba2 PE |
1339 | const char *k_semi = tgetstr ("k;", address); |
1340 | const char *k0 = tgetstr ("k0", address); | |
1341 | const char *k0_name = "f10"; | |
a796ac82 JB |
1342 | |
1343 | if (k_semi) | |
1344 | { | |
95c11956 SM |
1345 | if (k0) |
1346 | /* Define f0 first, so that f10 takes precedence in case the | |
1347 | key sequences happens to be the same. */ | |
1344aad4 | 1348 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1349 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1350 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1351 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1352 | } |
95c11956 | 1353 | else if (k0) |
1344aad4 | 1354 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1355 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1356 | } |
01d8deb0 ER |
1357 | |
1358 | /* Set up cookies for numbered function keys above f10. */ | |
1359 | { | |
1360 | char fcap[3], fkey[4]; | |
1361 | ||
fc4f24da | 1362 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1363 | for (i = 11; i < 64; i++) |
1364 | { | |
1365 | if (i <= 19) | |
1366 | fcap[1] = '1' + i - 11; | |
1367 | else if (i <= 45) | |
b59ab95c | 1368 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1369 | else |
b59ab95c | 1370 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1371 | |
fc4f24da RS |
1372 | { |
1373 | char *sequence = tgetstr (fcap, address); | |
1374 | if (sequence) | |
1375 | { | |
465db27b | 1376 | sprintf (fkey, "f%d", i); |
1344aad4 | 1377 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1378 | Fmake_vector (make_number (1), |
1379 | intern (fkey))); | |
fc4f24da RS |
1380 | } |
1381 | } | |
01d8deb0 ER |
1382 | } |
1383 | } | |
1384 | ||
1385 | /* | |
1386 | * Various mappings to try and get a better fit. | |
1387 | */ | |
1388 | { | |
fc4f24da RS |
1389 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1390 | if (!tgetstr (cap1, address)) \ | |
1391 | { \ | |
1392 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1393 | if (sequence) \ |
1344aad4 | 1394 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1395 | Fmake_vector (make_number (1), \ |
1396 | intern (sym))); \ | |
fc4f24da | 1397 | } |
177c0ea7 | 1398 | |
01d8deb0 | 1399 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1400 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1401 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1402 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1403 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1404 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1405 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1406 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1407 | |
1408 | /* IBM has their own non-standard dialect of terminfo. | |
1409 | If the standard name isn't found, try the IBM name. */ | |
1410 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1411 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1412 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1413 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1414 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1415 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1416 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1417 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1418 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1419 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1420 | } |
a168702a GM |
1421 | |
1422 | return Qnil; | |
5c2c7893 | 1423 | } |
361358ea | 1424 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1425 | |
1426 | \f | |
a168702a GM |
1427 | /*********************************************************************** |
1428 | Character Display Information | |
1429 | ***********************************************************************/ | |
f57e2426 | 1430 | static void append_glyph (struct it *); |
f57e2426 J |
1431 | static void append_composite_glyph (struct it *); |
1432 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1433 | static void append_glyphless_glyph (struct it *, int, const char *); |
b18fad6d | 1434 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); |
a168702a GM |
1435 | |
1436 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1437 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1438 | the character for which to produce glyphs; IT->face_id contains the | |
1439 | character's face. Padding glyphs are appended if IT->c has a | |
1440 | IT->pixel_width > 1. */ | |
177c0ea7 | 1441 | |
a168702a | 1442 | static void |
d3da34e0 | 1443 | append_glyph (struct it *it) |
a168702a GM |
1444 | { |
1445 | struct glyph *glyph, *end; | |
1446 | int i; | |
1447 | ||
a54e2c05 | 1448 | eassert (it->glyph_row); |
a168702a GM |
1449 | glyph = (it->glyph_row->glyphs[it->area] |
1450 | + it->glyph_row->used[it->area]); | |
1451 | end = it->glyph_row->glyphs[1 + it->area]; | |
1452 | ||
5e65aec0 EZ |
1453 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1454 | than append it. */ | |
1455 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1456 | { | |
1457 | struct glyph *g; | |
1458 | int move_by = it->pixel_width; | |
1459 | ||
1460 | /* Make room for the new glyphs. */ | |
1461 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1462 | move_by = end - glyph; | |
1463 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1464 | g[move_by] = *g; | |
1465 | glyph = it->glyph_row->glyphs[it->area]; | |
1466 | end = glyph + move_by; | |
1467 | } | |
1468 | ||
1469 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1470 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1471 | identical, and (b) the PADDING_P flag needs to be set for the | |
1472 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1473 | for (i = 0; |
1474 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1475 | ++i) |
1476 | { | |
1477 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1478 | glyph->pixel_width = 1; |
d2b4c17d | 1479 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1480 | glyph->face_id = it->face_id; |
1481 | glyph->padding_p = i > 0; | |
a168702a GM |
1482 | glyph->charpos = CHARPOS (it->position); |
1483 | glyph->object = it->object; | |
5e65aec0 EZ |
1484 | if (it->bidi_p) |
1485 | { | |
1486 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1487 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1488 | emacs_abort (); |
5e65aec0 EZ |
1489 | glyph->bidi_type = it->bidi_it.type; |
1490 | } | |
9443b3c7 EZ |
1491 | else |
1492 | { | |
1493 | glyph->resolved_level = 0; | |
1494 | glyph->bidi_type = UNKNOWN_BT; | |
1495 | } | |
177c0ea7 | 1496 | |
a168702a GM |
1497 | ++it->glyph_row->used[it->area]; |
1498 | ++glyph; | |
1499 | } | |
1500 | } | |
1501 | ||
148ae00e EZ |
1502 | /* For external use. */ |
1503 | void | |
1504 | tty_append_glyph (struct it *it) | |
1505 | { | |
1506 | append_glyph (it); | |
1507 | } | |
1508 | ||
1509 | ||
b50fe468 RS |
1510 | /* Produce glyphs for the display element described by IT. *IT |
1511 | specifies what we want to produce a glyph for (character, image, ...), | |
1512 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1513 | produce_glyphs fills in output fields of *IT with information such as the | |
1514 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1515 | the same time if IT->glyph_row is non-null. For an overview, see |
1516 | the explanation in dispextern.h, before the definition of the | |
1517 | display_element_type enumeration. | |
b50fe468 RS |
1518 | |
1519 | produce_glyphs also stores the result of glyph width, ascent | |
1520 | etc. computations in *IT. | |
1521 | ||
1522 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1523 | actually fill in the glyphs. This is used in the move_* functions | |
1524 | in xdisp.c for text width and height computations. | |
1525 | ||
1526 | Callers usually don't call produce_glyphs directly; | |
1527 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1528 | |
177c0ea7 | 1529 | void |
d3da34e0 | 1530 | produce_glyphs (struct it *it) |
a168702a GM |
1531 | { |
1532 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1533 | |
1534 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1535 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1536 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1537 | || it->what == IT_STRETCH |
1538 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1539 | |
6b61353c KH |
1540 | if (it->what == IT_STRETCH) |
1541 | { | |
1542 | produce_stretch_glyph (it); | |
1543 | goto done; | |
1544 | } | |
1545 | ||
4c12d738 KH |
1546 | if (it->what == IT_COMPOSITION) |
1547 | { | |
1548 | produce_composite_glyph (it); | |
1549 | goto done; | |
1550 | } | |
a168702a | 1551 | |
b18fad6d KH |
1552 | if (it->what == IT_GLYPHLESS) |
1553 | { | |
1554 | produce_glyphless_glyph (it, 0, Qnil); | |
1555 | goto done; | |
1556 | } | |
1557 | ||
d419e1d9 | 1558 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1559 | { |
1560 | it->pixel_width = it->nglyphs = 1; | |
1561 | if (it->glyph_row) | |
1562 | append_glyph (it); | |
1563 | } | |
d419e1d9 | 1564 | else if (it->char_to_display == '\n') |
a168702a | 1565 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1566 | else if (it->char_to_display == '\t') |
a168702a | 1567 | { |
2efdbcdd | 1568 | int absolute_x = (it->current_x |
a168702a | 1569 | + it->continuation_lines_width); |
177c0ea7 JB |
1570 | int next_tab_x |
1571 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1572 | / it->tab_width) |
1573 | * it->tab_width); | |
1574 | int nspaces; | |
1575 | ||
1576 | /* If part of the TAB has been displayed on the previous line | |
1577 | which is continued now, continuation_lines_width will have | |
1578 | been incremented already by the part that fitted on the | |
1579 | continued line. So, we will get the right number of spaces | |
1580 | here. */ | |
1581 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1582 | |
a168702a GM |
1583 | if (it->glyph_row) |
1584 | { | |
1585 | int n = nspaces; | |
177c0ea7 | 1586 | |
d2b4c17d | 1587 | it->char_to_display = ' '; |
a168702a | 1588 | it->pixel_width = it->len = 1; |
177c0ea7 | 1589 | |
a168702a GM |
1590 | while (n--) |
1591 | append_glyph (it); | |
a168702a GM |
1592 | } |
1593 | ||
1594 | it->pixel_width = nspaces; | |
1595 | it->nglyphs = nspaces; | |
1596 | } | |
d419e1d9 | 1597 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1598 | { |
d419e1d9 KH |
1599 | /* Coming here means that we must send the raw 8-bit byte as is |
1600 | to the terminal. Although there's no way to know how many | |
1601 | columns it occupies on a screen, it is a good assumption that | |
1602 | a single byte code has 1-column width. */ | |
1603 | it->pixel_width = it->nglyphs = 1; | |
1604 | if (it->glyph_row) | |
1605 | append_glyph (it); | |
add44890 | 1606 | } |
a168702a GM |
1607 | else |
1608 | { | |
b18fad6d | 1609 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1610 | |
b18fad6d KH |
1611 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1612 | { | |
1613 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1614 | it->nglyphs = it->pixel_width; | |
1615 | if (it->glyph_row) | |
1616 | append_glyph (it); | |
1617 | } | |
1618 | else | |
1619 | { | |
1620 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1621 | ||
a54e2c05 | 1622 | eassert (it->what == IT_GLYPHLESS); |
b18fad6d KH |
1623 | produce_glyphless_glyph (it, 1, acronym); |
1624 | } | |
a168702a GM |
1625 | } |
1626 | ||
6b61353c | 1627 | done: |
177c0ea7 | 1628 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1629 | the caller. */ |
1630 | if (it->area == TEXT_AREA) | |
1631 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1632 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1633 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1634 | } |
1635 | ||
4c12d738 KH |
1636 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1637 | Called from produce_composite_glyph for terminal frames if | |
1638 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1639 | face. */ | |
1640 | ||
1641 | static void | |
d3da34e0 | 1642 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1643 | { |
1644 | struct glyph *glyph; | |
1645 | ||
a54e2c05 | 1646 | eassert (it->glyph_row); |
4c12d738 KH |
1647 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1648 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1649 | { | |
93d68d0c EZ |
1650 | /* If the glyph row is reversed, we need to prepend the glyph |
1651 | rather than append it. */ | |
1652 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1653 | { | |
1654 | struct glyph *g; | |
1655 | ||
1656 | /* Make room for the new glyph. */ | |
1657 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1658 | g[1] = *g; | |
1659 | glyph = it->glyph_row->glyphs[it->area]; | |
1660 | } | |
4c12d738 KH |
1661 | glyph->type = COMPOSITE_GLYPH; |
1662 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1663 | glyph->u.cmp.id = it->cmp_it.id; |
1664 | if (it->cmp_it.ch < 0) | |
1665 | { | |
1666 | glyph->u.cmp.automatic = 0; | |
1667 | glyph->u.cmp.id = it->cmp_it.id; | |
1668 | } | |
1669 | else | |
1670 | { | |
1671 | glyph->u.cmp.automatic = 1; | |
1672 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1673 | glyph->slice.cmp.from = it->cmp_it.from; |
1674 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1675 | } |
1676 | ||
4c12d738 KH |
1677 | glyph->face_id = it->face_id; |
1678 | glyph->padding_p = 0; | |
1679 | glyph->charpos = CHARPOS (it->position); | |
1680 | glyph->object = it->object; | |
93d68d0c EZ |
1681 | if (it->bidi_p) |
1682 | { | |
1683 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1684 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1685 | emacs_abort (); |
93d68d0c EZ |
1686 | glyph->bidi_type = it->bidi_it.type; |
1687 | } | |
1688 | else | |
1689 | { | |
1690 | glyph->resolved_level = 0; | |
1691 | glyph->bidi_type = UNKNOWN_BT; | |
1692 | } | |
4c12d738 KH |
1693 | |
1694 | ++it->glyph_row->used[it->area]; | |
1695 | ++glyph; | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | ||
1700 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1701 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1702 | assuming that the terminal has a capability to layout/render it |
1703 | correctly. */ | |
4c12d738 KH |
1704 | |
1705 | static void | |
d3da34e0 | 1706 | produce_composite_glyph (struct it *it) |
4c12d738 | 1707 | { |
75a10786 KH |
1708 | if (it->cmp_it.ch < 0) |
1709 | { | |
1710 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1711 | ||
d0984aff | 1712 | it->pixel_width = cmp->width; |
75a10786 KH |
1713 | } |
1714 | else | |
1715 | { | |
1716 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1717 | |
75a10786 KH |
1718 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1719 | it->cmp_it.to, NULL); | |
1720 | } | |
1721 | it->nglyphs = 1; | |
4c12d738 KH |
1722 | if (it->glyph_row) |
1723 | append_composite_glyph (it); | |
1724 | } | |
1725 | ||
1726 | ||
b18fad6d | 1727 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1728 | is a face ID to be used for the glyph. What is actually appended |
1729 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1730 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1731 | |
1732 | static void | |
fbceeba2 | 1733 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1734 | { |
1735 | struct glyph *glyph, *end; | |
b18fad6d KH |
1736 | int i; |
1737 | ||
a54e2c05 | 1738 | eassert (it->glyph_row); |
b18fad6d KH |
1739 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1740 | end = it->glyph_row->glyphs[1 + it->area]; | |
1741 | ||
1742 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1743 | than append it. */ | |
1744 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1745 | { | |
1746 | struct glyph *g; | |
1747 | int move_by = it->pixel_width; | |
1748 | ||
1749 | /* Make room for the new glyphs. */ | |
1750 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1751 | move_by = end - glyph; | |
1752 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1753 | g[move_by] = *g; | |
1754 | glyph = it->glyph_row->glyphs[it->area]; | |
1755 | end = glyph + move_by; | |
1756 | } | |
1757 | ||
1758 | if (glyph >= end) | |
1759 | return; | |
1760 | glyph->type = CHAR_GLYPH; | |
1761 | glyph->pixel_width = 1; | |
1762 | glyph->face_id = face_id; | |
1763 | glyph->padding_p = 0; | |
1764 | glyph->charpos = CHARPOS (it->position); | |
1765 | glyph->object = it->object; | |
1766 | if (it->bidi_p) | |
1767 | { | |
1768 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1769 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1770 | emacs_abort (); |
b18fad6d KH |
1771 | glyph->bidi_type = it->bidi_it.type; |
1772 | } | |
1773 | else | |
1774 | { | |
1775 | glyph->resolved_level = 0; | |
1776 | glyph->bidi_type = UNKNOWN_BT; | |
1777 | } | |
1778 | ||
1779 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1780 | the REVERSED_P case because we write to the terminal | |
1781 | left-to-right. */ | |
1782 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1783 | { | |
1784 | if (i > 0) | |
1785 | glyph[0] = glyph[-1]; | |
1786 | glyph->u.ch = str[i]; | |
1787 | ++it->glyph_row->used[it->area]; | |
1788 | ++glyph; | |
1789 | } | |
1790 | } | |
1791 | ||
b18fad6d KH |
1792 | /* Produce glyphs for a glyphless character for iterator IT. |
1793 | IT->glyphless_method specifies which method to use for displaying | |
1794 | the character. See the description of enum | |
0eb025fb | 1795 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1796 | |
1797 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
22bcf204 | 1798 | is not supported by the coding system of the terminal. ACRONYM, if |
b18fad6d KH |
1799 | non-nil, is an acronym string for the character. |
1800 | ||
1801 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1802 | ||
1803 | static void | |
1804 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1805 | { | |
1806 | int face_id; | |
0eb025fb | 1807 | int len; |
80f2e268 | 1808 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1809 | char const *str = " "; |
b18fad6d KH |
1810 | |
1811 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1812 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1813 | if (it->f == last_glyphless_glyph_frame |
1814 | && it->face_id == last_glyphless_glyph_face_id) | |
1815 | { | |
1816 | face_id = last_glyphless_glyph_merged_face_id; | |
1817 | } | |
1818 | else | |
1819 | { | |
1820 | /* Merge the `glyphless-char' face into the current face. */ | |
1821 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1822 | last_glyphless_glyph_frame = it->f; | |
1823 | last_glyphless_glyph_face_id = it->face_id; | |
1824 | last_glyphless_glyph_merged_face_id = face_id; | |
1825 | } | |
1826 | ||
1827 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1828 | { | |
0eb025fb EZ |
1829 | /* As there's no way to produce a thin space, we produce a space |
1830 | of canonical width. */ | |
b18fad6d KH |
1831 | len = 1; |
1832 | } | |
1833 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1834 | { | |
1835 | len = CHAR_WIDTH (it->c); | |
1836 | if (len == 0) | |
1837 | len = 1; | |
0eb025fb | 1838 | else if (len > 4) |
b18fad6d | 1839 | len = 4; |
99027bdd | 1840 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1841 | str = buf; |
b18fad6d KH |
1842 | } |
1843 | else | |
1844 | { | |
1845 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1846 | { | |
b18fad6d KH |
1847 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1848 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1849 | if (CONSP (acronym)) |
1850 | acronym = XCDR (acronym); | |
b18fad6d | 1851 | buf[0] = '['; |
51b59d79 | 1852 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1853 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1854 | buf[1 + len] = str[len]; | |
1855 | buf[1 + len] = ']'; | |
1856 | len += 2; | |
1857 | } | |
1858 | else | |
1859 | { | |
a54e2c05 | 1860 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1861 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1862 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1863 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1864 | } |
1865 | str = buf; | |
1866 | } | |
1867 | ||
1868 | it->pixel_width = len; | |
1869 | it->nglyphs = len; | |
d284567f | 1870 | if (it->glyph_row) |
b18fad6d KH |
1871 | append_glyphless_glyph (it, face_id, str); |
1872 | } | |
1873 | ||
a168702a GM |
1874 | \f |
1875 | /*********************************************************************** | |
1876 | Faces | |
1877 | ***********************************************************************/ | |
1878 | ||
4e6ba4a4 GM |
1879 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1880 | one of the enumerators from enum no_color_bit, or a bit set built | |
1881 | from them. Some display attributes may not be used together with | |
1882 | color; the termcap capability `NC' specifies which ones. */ | |
1883 | ||
fca177d4 KL |
1884 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1885 | (tty->TN_max_colors > 0 \ | |
1886 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1887 | : 1) | |
a168702a | 1888 | |
072d84a6 RS |
1889 | /* Turn appearances of face FACE_ID on tty frame F on. |
1890 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1891 | |
1892 | static void | |
d3da34e0 | 1893 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1894 | { |
1895 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1896 | long fg = face->foreground; |
1897 | long bg = face->background; | |
28d7d09f | 1898 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1899 | |
86a7d192 GM |
1900 | /* Do this first because TS_end_standout_mode may be the same |
1901 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1902 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1903 | { |
fca177d4 | 1904 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1905 | { |
1906 | if (fg >= 0 && bg >= 0) | |
1907 | { | |
1908 | /* If the terminal supports colors, we can set them | |
1909 | below without using reverse video. The face's fg | |
1910 | and bg colors are set as they should appear on | |
1911 | the screen, i.e. they take the inverse-video'ness | |
1912 | of the face already into account. */ | |
1913 | } | |
1914 | else if (inverse_video) | |
1915 | { | |
1916 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1917 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1918 | tty_toggle_highlight (tty); |
86a7d192 GM |
1919 | } |
1920 | else | |
1921 | { | |
1922 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1923 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1924 | tty_toggle_highlight (tty); |
86a7d192 GM |
1925 | } |
1926 | } | |
1927 | else | |
1928 | { | |
1929 | /* If we can't display colors, use reverse video | |
1930 | if the face specifies that. */ | |
37526b42 GM |
1931 | if (inverse_video) |
1932 | { | |
1933 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1934 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1935 | tty_toggle_highlight (tty); |
37526b42 GM |
1936 | } |
1937 | else | |
1938 | { | |
1939 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1940 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1941 | tty_toggle_highlight (tty); |
37526b42 | 1942 | } |
86a7d192 GM |
1943 | } |
1944 | } | |
a168702a | 1945 | |
4189ed40 CY |
1946 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1947 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1948 | ||
cd4eb164 CY |
1949 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1950 | { | |
1951 | if (tty->TS_enter_italic_mode) | |
1952 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1953 | else | |
1954 | /* Italics mode is unavailable on many terminals. In that | |
1955 | case, map slant to dimmed text; we want italic text to | |
1956 | appear different and dimming is not otherwise used. */ | |
1957 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1958 | } | |
a168702a | 1959 | |
fca177d4 KL |
1960 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1961 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1962 | |
fca177d4 | 1963 | if (tty->TN_max_colors > 0) |
a168702a | 1964 | { |
fbceeba2 PE |
1965 | const char *ts; |
1966 | char *p; | |
177c0ea7 | 1967 | |
fbf34973 | 1968 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1969 | if (fg >= 0 && ts) |
a168702a | 1970 | { |
50938595 | 1971 | p = tparam (ts, NULL, 0, (int) fg, 0, 0, 0); |
6548cf00 | 1972 | OUTPUT (tty, p); |
a168702a GM |
1973 | xfree (p); |
1974 | } | |
1975 | ||
fbf34973 | 1976 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1977 | if (bg >= 0 && ts) |
a168702a | 1978 | { |
50938595 | 1979 | p = tparam (ts, NULL, 0, (int) bg, 0, 0, 0); |
6548cf00 | 1980 | OUTPUT (tty, p); |
a168702a GM |
1981 | xfree (p); |
1982 | } | |
1983 | } | |
1984 | } | |
177c0ea7 | 1985 | |
a168702a GM |
1986 | |
1987 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1988 | ||
1989 | static void | |
d3da34e0 | 1990 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
1991 | { |
1992 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1993 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1994 | |
a54e2c05 | 1995 | eassert (face != NULL); |
a168702a | 1996 | |
fca177d4 | 1997 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1998 | { |
1999 | /* Capability "me" will turn off appearance modes double-bright, | |
2000 | half-bright, reverse-video, standout, underline. It may or | |
2001 | may not turn off alt-char-mode. */ | |
2002 | if (face->tty_bold_p | |
cd4eb164 | 2003 | || face->tty_italic_p |
a168702a | 2004 | || face->tty_reverse_p |
a168702a | 2005 | || face->tty_underline_p) |
65aa5e85 | 2006 | { |
fca177d4 KL |
2007 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2008 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2009 | tty->standout_mode = 0; | |
65aa5e85 | 2010 | } |
a168702a GM |
2011 | } |
2012 | else | |
2013 | { | |
2014 | /* If we don't have "me" we can only have those appearances | |
2015 | that have exit sequences defined. */ | |
54800acb | 2016 | if (face->tty_underline_p) |
fca177d4 | 2017 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2018 | } |
2019 | ||
2020 | /* Switch back to default colors. */ | |
fca177d4 | 2021 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2022 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2023 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2024 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2025 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2026 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2027 | } |
177c0ea7 JB |
2028 | |
2029 | ||
b63a55ac MB |
2030 | /* Return non-zero if the terminal on frame F supports all of the |
2031 | capabilities in CAPS simultaneously, with foreground and background | |
2032 | colors FG and BG. */ | |
2033 | ||
4a8130f2 | 2034 | int |
d3da34e0 JB |
2035 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2036 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2037 | { |
fca177d4 KL |
2038 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2039 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2040 | return 0; |
2041 | ||
fca177d4 KL |
2042 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2043 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2044 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2045 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2046 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2047 | |
2048 | /* We can do it! */ | |
2049 | return 1; | |
2050 | } | |
2051 | ||
a168702a GM |
2052 | /* Return non-zero if the terminal is capable to display colors. */ |
2053 | ||
2054 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2055 | 0, 1, 0, |
6ed8eeff KL |
2056 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2057 | ||
401e9e57 CY |
2058 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2059 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2060 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2061 | (Lisp_Object terminal) |
a168702a | 2062 | { |
717a00ef | 2063 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2064 | if (!t) |
428a555e | 2065 | return Qnil; |
3224dac1 | 2066 | else |
6ed8eeff | 2067 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2068 | } |
2069 | ||
bfa62f96 EZ |
2070 | /* Return the number of supported colors. */ |
2071 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2072 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2073 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2074 | ||
401e9e57 CY |
2075 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2076 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2077 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2078 | (Lisp_Object terminal) |
bfa62f96 | 2079 | { |
717a00ef | 2080 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2081 | if (!t) |
8c8d5f35 | 2082 | return make_number (0); |
3224dac1 | 2083 | else |
6ed8eeff | 2084 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2085 | } |
2086 | ||
84704c5c | 2087 | #ifndef DOS_NT |
a168702a | 2088 | |
5205ee62 GM |
2089 | /* Declare here rather than in the function, as in the rest of Emacs, |
2090 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2091 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2092 | static int default_max_colors; |
2093 | static int default_max_pairs; | |
2094 | static int default_no_color_video; | |
2095 | static char *default_orig_pair; | |
2096 | static char *default_set_foreground; | |
2097 | static char *default_set_background; | |
fcf8ff2e | 2098 | |
ace28297 EZ |
2099 | /* Save or restore the default color-related capabilities of this |
2100 | terminal. */ | |
2101 | static void | |
28d7d09f | 2102 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2103 | { |
ace28297 EZ |
2104 | |
2105 | if (save) | |
2106 | { | |
70fdbb46 | 2107 | xfree (default_orig_pair); |
fca177d4 | 2108 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2109 | |
70fdbb46 | 2110 | xfree (default_set_foreground); |
fca177d4 | 2111 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2112 | : NULL; |
2113 | ||
70fdbb46 | 2114 | xfree (default_set_background); |
fca177d4 | 2115 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2116 | : NULL; |
2117 | ||
fca177d4 KL |
2118 | default_max_colors = tty->TN_max_colors; |
2119 | default_max_pairs = tty->TN_max_pairs; | |
2120 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2121 | } |
2122 | else | |
2123 | { | |
fca177d4 KL |
2124 | tty->TS_orig_pair = default_orig_pair; |
2125 | tty->TS_set_foreground = default_set_foreground; | |
2126 | tty->TS_set_background = default_set_background; | |
2127 | tty->TN_max_colors = default_max_colors; | |
2128 | tty->TN_max_pairs = default_max_pairs; | |
2129 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2130 | } |
2131 | } | |
2132 | ||
2133 | /* Setup one of the standard tty color schemes according to MODE. | |
2134 | MODE's value is generally the number of colors which we want to | |
2135 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2136 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2137 | static void |
28d7d09f | 2138 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2139 | { |
6b61353c KH |
2140 | /* Canonicalize all negative values of MODE. */ |
2141 | if (mode < -1) | |
2142 | mode = -1; | |
2143 | ||
ace28297 EZ |
2144 | switch (mode) |
2145 | { | |
2146 | case -1: /* no colors at all */ | |
fca177d4 KL |
2147 | tty->TN_max_colors = 0; |
2148 | tty->TN_max_pairs = 0; | |
2149 | tty->TN_no_color_video = 0; | |
2150 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2151 | break; |
2152 | case 0: /* default colors, if any */ | |
2153 | default: | |
fca177d4 | 2154 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2155 | break; |
2156 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2157 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2158 | #ifdef TERMINFO |
fca177d4 KL |
2159 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2160 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2161 | #else |
fca177d4 KL |
2162 | tty->TS_set_foreground = "\033[3%dm"; |
2163 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2164 | #endif |
fca177d4 KL |
2165 | tty->TN_max_colors = 8; |
2166 | tty->TN_max_pairs = 64; | |
2167 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2168 | break; |
2169 | } | |
2170 | } | |
2171 | ||
2172 | void | |
d3da34e0 | 2173 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2174 | { |
ce5b453a | 2175 | Lisp_Object tem, val; |
9b2cd403 SM |
2176 | Lisp_Object color_mode; |
2177 | int mode; | |
9b2cd403 SM |
2178 | Lisp_Object tty_color_mode_alist |
2179 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2180 | |
e69b0960 | 2181 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2182 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2183 | |
6b61353c | 2184 | if (INTEGERP (val)) |
ace28297 | 2185 | color_mode = val; |
ce5b453a | 2186 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2187 | { |
ce5b453a | 2188 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2189 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2190 | } |
ce5b453a SM |
2191 | else |
2192 | color_mode = Qnil; | |
6b61353c | 2193 | |
d311d28c | 2194 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2195 | |
9b2cd403 | 2196 | if (mode != tty->previous_color_mode) |
ace28297 | 2197 | { |
9b2cd403 SM |
2198 | tty->previous_color_mode = mode; |
2199 | tty_setup_colors (tty , mode); | |
2200 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2201 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2202 | } |
2203 | } | |
2204 | ||
84704c5c | 2205 | #endif /* !DOS_NT */ |
a168702a GM |
2206 | |
2207 | \f | |
28d440ab | 2208 | |
6ed8eeff | 2209 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2210 | |
64520e5c | 2211 | static struct terminal * |
717a00ef | 2212 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2213 | { |
717a00ef | 2214 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2215 | |
84704c5c | 2216 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2217 | { |
2218 | if (throw) | |
2219 | error ("Device %d is not a termcap terminal device", t->id); | |
2220 | else | |
2221 | return NULL; | |
2222 | } | |
b6660415 | 2223 | |
6ed8eeff | 2224 | return t; |
b6660415 KL |
2225 | } |
2226 | ||
ab797f65 KL |
2227 | /* Return an active termcap device that uses the tty device with the |
2228 | given name. | |
b6660415 | 2229 | |
7e59217d | 2230 | This function ignores suspended devices. |
da8e1115 KL |
2231 | |
2232 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2233 | |
6ed8eeff | 2234 | struct terminal * |
8ea90aa3 | 2235 | get_named_tty (const char *name) |
28d440ab | 2236 | { |
6ed8eeff KL |
2237 | struct terminal *t; |
2238 | ||
ab797f65 | 2239 | if (!name) |
1088b922 | 2240 | emacs_abort (); |
ab797f65 KL |
2241 | |
2242 | for (t = terminal_list; t; t = t->next_terminal) | |
2243 | { | |
5cc67f65 | 2244 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2245 | && !strcmp (t->display_info.tty->name, name) |
2246 | && TERMINAL_ACTIVE_P (t)) | |
2247 | return t; | |
2248 | } | |
28d440ab KL |
2249 | |
2250 | return 0; | |
2251 | } | |
2252 | ||
2253 | \f | |
a7ca3326 | 2254 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2255 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2256 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2257 | |
401e9e57 CY |
2258 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2259 | selected frame's terminal). */) | |
5842a27b | 2260 | (Lisp_Object terminal) |
b6660415 | 2261 | { |
6ed8eeff | 2262 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2263 | |
84704c5c | 2264 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2265 | return Qnil; |
2266 | ||
6ed8eeff KL |
2267 | if (t->display_info.tty->type) |
2268 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2269 | else |
2270 | return Qnil; | |
2271 | } | |
2272 | ||
6ed8eeff | 2273 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2274 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2275 | |
401e9e57 CY |
2276 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2277 | selected frame's terminal). This function always returns nil if | |
2278 | TERMINAL is not on a tty device. */) | |
5842a27b | 2279 | (Lisp_Object terminal) |
4a933ef8 | 2280 | { |
6ed8eeff | 2281 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2282 | |
84704c5c EZ |
2283 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2284 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2285 | return Qnil; |
2286 | else | |
2287 | return Qt; | |
2288 | } | |
2289 | ||
a3fbb897 | 2290 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2291 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2292 | This is used to override the terminfo data, for certain terminals that |
2293 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2294 | no effect if used on a non-tty terminal. |
a3fbb897 | 2295 | |
401e9e57 CY |
2296 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2297 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2298 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2299 | (Lisp_Object terminal) |
a3fbb897 | 2300 | { |
6ed8eeff | 2301 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2302 | |
6ed8eeff KL |
2303 | if (t->type == output_termcap) |
2304 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2305 | return Qnil; |
2306 | } | |
2307 | ||
c6bf3022 CY |
2308 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2309 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2310 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2311 | selected frame's terminal). This function returns nil if TERMINAL | |
2312 | does not refer to a text terminal. Otherwise, it returns the | |
2313 | top-most frame on the text terminal. */) | |
2314 | (Lisp_Object terminal) | |
2315 | { | |
2316 | struct terminal *t = get_terminal (terminal, 1); | |
2317 | ||
2318 | if (t->type == output_termcap) | |
2319 | return t->display_info.tty->top_frame; | |
2320 | return Qnil; | |
2321 | } | |
2322 | ||
ed8dad6b KL |
2323 | \f |
2324 | ||
2325 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2326 | doc: /* Suspend the terminal device TTY. | |
2327 | ||
2328 | The device is restored to its default state, and Emacs ceases all | |
2329 | access to the tty device. Frames that use the device are not deleted, | |
2330 | but input is not read from them and if they change, their display is | |
2331 | not updated. | |
2332 | ||
401e9e57 CY |
2333 | TTY may be a terminal object, a frame, or nil for the terminal device |
2334 | of the currently selected frame. | |
ed8dad6b | 2335 | |
e4019195 | 2336 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2337 | device. The functions are run with one arg, the id of the suspended |
2338 | terminal device. | |
2339 | ||
2340 | `suspend-tty' does nothing if it is called on a device that is already | |
2341 | suspended. | |
2342 | ||
2343 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2344 | (Lisp_Object tty) |
ed8dad6b | 2345 | { |
717a00ef | 2346 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2347 | FILE *f; |
f4d953fc | 2348 | |
6ed8eeff | 2349 | if (!t) |
ed8dad6b KL |
2350 | error ("Unknown tty device"); |
2351 | ||
6ed8eeff | 2352 | f = t->display_info.tty->input; |
f4d953fc | 2353 | |
ed8dad6b KL |
2354 | if (f) |
2355 | { | |
23d4cba5 DN |
2356 | /* First run `suspend-tty-functions' and then clean up the tty |
2357 | state because `suspend-tty-functions' might need to change | |
2358 | the tty state. */ | |
dee091a3 JD |
2359 | Lisp_Object args[2]; |
2360 | args[0] = intern ("suspend-tty-functions"); | |
2361 | XSETTERMINAL (args[1], t); | |
2362 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2363 | |
6ed8eeff | 2364 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2365 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2366 | |
84704c5c | 2367 | #ifndef MSDOS |
ed8dad6b | 2368 | fclose (f); |
6ed8eeff KL |
2369 | if (f != t->display_info.tty->output) |
2370 | fclose (t->display_info.tty->output); | |
84704c5c | 2371 | #endif |
f4d953fc | 2372 | |
6ed8eeff KL |
2373 | t->display_info.tty->input = 0; |
2374 | t->display_info.tty->output = 0; | |
ed8dad6b | 2375 | |
6ed8eeff KL |
2376 | if (FRAMEP (t->display_info.tty->top_frame)) |
2377 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2378 | |
ed8dad6b KL |
2379 | } |
2380 | ||
4a665758 KL |
2381 | /* Clear display hooks to prevent further output. */ |
2382 | clear_tty_hooks (t); | |
2383 | ||
ed8dad6b KL |
2384 | return Qnil; |
2385 | } | |
2386 | ||
2387 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2388 | doc: /* Resume the previously suspended terminal device TTY. | |
2389 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2390 | suspended terminal are revived. |
ed8dad6b | 2391 | |
6ed8eeff KL |
2392 | It is an error to resume a terminal while another terminal is active |
2393 | on the same device. | |
ed8dad6b | 2394 | |
e4019195 | 2395 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2396 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2397 | device. |
2398 | ||
2399 | `resume-tty' does nothing if it is called on a device that is not | |
2400 | suspended. | |
2401 | ||
401e9e57 CY |
2402 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2403 | frame's terminal). */) | |
5842a27b | 2404 | (Lisp_Object tty) |
ed8dad6b | 2405 | { |
717a00ef | 2406 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2407 | int fd; |
2408 | ||
6ed8eeff | 2409 | if (!t) |
ed8dad6b KL |
2410 | error ("Unknown tty device"); |
2411 | ||
6ed8eeff | 2412 | if (!t->display_info.tty->input) |
ed8dad6b | 2413 | { |
6ed8eeff | 2414 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2415 | error ("Cannot resume display while another display is active on the same device"); |
2416 | ||
84704c5c EZ |
2417 | #ifdef MSDOS |
2418 | t->display_info.tty->output = stdout; | |
2419 | t->display_info.tty->input = stdin; | |
2420 | #else /* !MSDOS */ | |
6ed8eeff | 2421 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2422 | |
59b3194c KL |
2423 | if (fd == -1) |
2424 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2425 | |
78048085 | 2426 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2427 | dissociate_if_controlling_tty (fd); |
78048085 | 2428 | |
6ed8eeff KL |
2429 | t->display_info.tty->output = fdopen (fd, "w+"); |
2430 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2431 | #endif |
78048085 | 2432 | |
ed8dad6b KL |
2433 | add_keyboard_wait_descriptor (fd); |
2434 | ||
6ed8eeff | 2435 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2436 | { |
2437 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2438 | int width, height; | |
2439 | int old_height = FRAME_COLS (f); | |
2440 | int old_width = FRAME_LINES (f); | |
2441 | ||
2442 | /* Check if terminal/window size has changed while the frame | |
2443 | was suspended. */ | |
2444 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2445 | if (width != old_width || height != old_height) | |
2446 | change_frame_size (f, height, width, 0, 0, 0); | |
2447 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2448 | } | |
ed8dad6b | 2449 | |
04f2d78b | 2450 | set_tty_hooks (t); |
6ed8eeff | 2451 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2452 | |
dee091a3 JD |
2453 | { |
2454 | /* Run `resume-tty-functions'. */ | |
2455 | Lisp_Object args[2]; | |
2456 | args[0] = intern ("resume-tty-functions"); | |
2457 | XSETTERMINAL (args[1], t); | |
2458 | Frun_hook_with_args (2, args); | |
2459 | } | |
ed8dad6b KL |
2460 | } |
2461 | ||
4a665758 KL |
2462 | set_tty_hooks (t); |
2463 | ||
ed8dad6b KL |
2464 | return Qnil; |
2465 | } | |
a3fbb897 | 2466 | |
819b8f00 | 2467 | \f |
e882229c NR |
2468 | /*********************************************************************** |
2469 | Mouse | |
2470 | ***********************************************************************/ | |
2471 | ||
7e5a23bd | 2472 | #ifdef HAVE_GPM |
64520e5c PE |
2473 | |
2474 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2475 | void |
2476 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2477 | { |
1ec5dc77 | 2478 | /* TODO: how to set mouse position? |
94da14a0 NR |
2479 | const char *name; |
2480 | int fd; | |
2481 | name = (const char *) ttyname (0); | |
2482 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2483 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2484 | close (fd); |
2485 | last_mouse_x = x; | |
80fb2ce0 | 2486 | last_mouse_y = y; */ |
94da14a0 | 2487 | } |
64520e5c | 2488 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2489 | |
cf482c50 EZ |
2490 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2491 | void | |
2492 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2493 | int start_hpos, int end_hpos, | |
2494 | enum draw_glyphs_face draw) | |
e882229c | 2495 | { |
cf482c50 EZ |
2496 | int nglyphs = end_hpos - start_hpos; |
2497 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2498 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2499 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2500 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2501 | |
cf482c50 EZ |
2502 | if (end_hpos >= row->used[TEXT_AREA]) |
2503 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2504 | |
cf482c50 EZ |
2505 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2506 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2507 | |
cf482c50 EZ |
2508 | /* Save current cursor co-ordinates. */ |
2509 | save_y = curY (tty); | |
2510 | save_x = curX (tty); | |
2511 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2512 | |
cf482c50 EZ |
2513 | if (draw == DRAW_MOUSE_FACE) |
2514 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2515 | nglyphs, face_id); | |
2516 | else if (draw == DRAW_NORMAL_TEXT) | |
2517 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2518 | |
cf482c50 | 2519 | cursor_to (f, save_y, save_x); |
e882229c NR |
2520 | } |
2521 | ||
2522 | static int | |
2523 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2524 | { | |
2525 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2526 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2527 | { | |
2528 | frame->mouse_moved = 1; | |
cf482c50 | 2529 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2530 | /* Remember which glyph we're now on. */ |
2531 | last_mouse_x = event->x; | |
2532 | last_mouse_y = event->y; | |
2533 | return 1; | |
2534 | } | |
2535 | return 0; | |
2536 | } | |
2537 | ||
d35af63c PE |
2538 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2539 | static Time | |
2540 | timeval_to_Time (struct timeval const *t) | |
2541 | { | |
2542 | Time s_1000, ms; | |
2543 | ||
2544 | s_1000 = t->tv_sec; | |
2545 | s_1000 *= 1000; | |
2546 | ms = t->tv_usec / 1000; | |
2547 | return s_1000 + ms; | |
2548 | } | |
2549 | ||
e882229c NR |
2550 | /* Return the current position of the mouse. |
2551 | ||
2552 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2553 | Emacs frame. If it is set to zero, all the other arguments are | |
2554 | garbage. | |
2555 | ||
2556 | Set *bar_window to Qnil, and *x and *y to the column and | |
2557 | row of the character cell the mouse is over. | |
2558 | ||
7f3f1250 | 2559 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2560 | |
80fb2ce0 | 2561 | This clears mouse_moved until the next motion |
94da14a0 | 2562 | event arrives. */ |
e882229c NR |
2563 | static void |
2564 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2565 | enum scroll_bar_part *part, Lisp_Object *x, | |
08dc5ae6 | 2566 | Lisp_Object *y, Time *timeptr) |
e882229c | 2567 | { |
e882229c | 2568 | struct timeval now; |
e882229c NR |
2569 | |
2570 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2571 | (*fp)->mouse_moved = 0; |
e882229c NR |
2572 | |
2573 | *bar_window = Qnil; | |
2574 | *part = 0; | |
2575 | ||
80fb2ce0 | 2576 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2577 | XSETINT (*y, last_mouse_y); |
e882229c | 2578 | gettimeofday(&now, 0); |
d35af63c | 2579 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2580 | } |
2581 | ||
2582 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2583 | ||
2584 | If the event is a button press, then note that we have grabbed | |
2585 | the mouse. */ | |
2586 | ||
2587 | static Lisp_Object | |
2588 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2589 | struct frame *f) | |
2590 | { | |
2591 | struct timeval now; | |
2592 | int i, j; | |
2593 | ||
2594 | result->kind = GPM_CLICK_EVENT; | |
2595 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2596 | { | |
2597 | if (event->buttons & j) { | |
2598 | result->code = i; /* button number */ | |
2599 | break; | |
2600 | } | |
2601 | } | |
2602 | gettimeofday(&now, 0); | |
d35af63c | 2603 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2604 | |
2605 | if (event->type & GPM_UP) | |
2606 | result->modifiers = up_modifier; | |
2607 | else if (event->type & GPM_DOWN) | |
2608 | result->modifiers = down_modifier; | |
2609 | else | |
2610 | result->modifiers = 0; | |
f4d953fc | 2611 | |
e882229c NR |
2612 | if (event->type & GPM_SINGLE) |
2613 | result->modifiers |= click_modifier; | |
f4d953fc | 2614 | |
e882229c NR |
2615 | if (event->type & GPM_DOUBLE) |
2616 | result->modifiers |= double_modifier; | |
2617 | ||
2618 | if (event->type & GPM_TRIPLE) | |
2619 | result->modifiers |= triple_modifier; | |
2620 | ||
2621 | if (event->type & GPM_DRAG) | |
2622 | result->modifiers |= drag_modifier; | |
2623 | ||
80fb2ce0 | 2624 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2625 | |
2626 | /* 1 << KG_SHIFT */ | |
2627 | if (event->modifiers & (1 << 0)) | |
2628 | result->modifiers |= shift_modifier; | |
2629 | ||
2630 | /* 1 << KG_CTRL */ | |
2631 | if (event->modifiers & (1 << 2)) | |
2632 | result->modifiers |= ctrl_modifier; | |
2633 | ||
2634 | /* 1 << KG_ALT || KG_ALTGR */ | |
2635 | if (event->modifiers & (1 << 3) | |
2636 | || event->modifiers & (1 << 1)) | |
2637 | result->modifiers |= meta_modifier; | |
2638 | } | |
2639 | ||
80fb2ce0 NR |
2640 | XSETINT (result->x, event->x); |
2641 | XSETINT (result->y, event->y); | |
e882229c NR |
2642 | XSETFRAME (result->frame_or_window, f); |
2643 | result->arg = Qnil; | |
2644 | return Qnil; | |
2645 | } | |
2646 | ||
f4d953fc | 2647 | int |
7be1c21a | 2648 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2649 | { |
7be1c21a | 2650 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2651 | struct input_event ie; |
2652 | int do_help = 0; | |
2653 | int count = 0; | |
2654 | ||
2655 | EVENT_INIT (ie); | |
2656 | ie.kind = NO_EVENT; | |
2657 | ie.arg = Qnil; | |
2658 | ||
80fb2ce0 | 2659 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2660 | previous_help_echo_string = help_echo_string; |
2661 | help_echo_string = Qnil; | |
2662 | ||
6178ce5e | 2663 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2664 | |
80fb2ce0 NR |
2665 | if (!term_mouse_movement (f, event)) |
2666 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2667 | |
2668 | /* If the contents of the global variable help_echo_string | |
2669 | has changed, generate a HELP_EVENT. */ | |
2670 | if (!NILP (help_echo_string) | |
2671 | || !NILP (previous_help_echo_string)) | |
2672 | do_help = 1; | |
2673 | ||
2674 | goto done; | |
2675 | } | |
2676 | else { | |
2677 | f->mouse_moved = 0; | |
2678 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2679 | } |
2680 | ||
2681 | done: | |
2682 | if (ie.kind != NO_EVENT) | |
2683 | { | |
2684 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2685 | count++; | |
2686 | } | |
2687 | ||
2688 | if (do_help | |
2689 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2690 | { | |
2691 | Lisp_Object frame; | |
2692 | ||
2693 | if (f) | |
2694 | XSETFRAME (frame, f); | |
2695 | else | |
2696 | frame = Qnil; | |
2697 | ||
2698 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2699 | help_echo_object, help_echo_pos); | |
2700 | count++; | |
2701 | } | |
2702 | ||
2703 | return count; | |
2704 | } | |
2705 | ||
6178ce5e | 2706 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2707 | 0, 0, 0, |
71f44e7a | 2708 | doc: /* Open a connection to Gpm. |
6178ce5e | 2709 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2710 | (void) |
e882229c | 2711 | { |
71f44e7a SM |
2712 | struct frame *f = SELECTED_FRAME (); |
2713 | struct tty_display_info *tty | |
2714 | = ((f)->output_method == output_termcap | |
2715 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2716 | Gpm_Connect connection; |
2717 | ||
6178ce5e SM |
2718 | if (!tty) |
2719 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2720 | if (gpm_tty == tty) |
2721 | return Qnil; /* Already activated, nothing to do. */ | |
2722 | if (gpm_tty) | |
2723 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2724 | |
e882229c NR |
2725 | connection.eventMask = ~0; |
2726 | connection.defaultMask = ~GPM_HARD; | |
2727 | connection.maxMod = ~0; | |
2728 | connection.minMod = 0; | |
80fb2ce0 | 2729 | gpm_zerobased = 1; |
e882229c NR |
2730 | |
2731 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2732 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2733 | else |
2734 | { | |
71f44e7a | 2735 | gpm_tty = tty; |
1023cbed SM |
2736 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2737 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2738 | before calling init_sys_modes. */ | |
7be1c21a MB |
2739 | reset_sys_modes (tty); |
2740 | init_sys_modes (tty); | |
e882229c | 2741 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2742 | return Qnil; |
e882229c NR |
2743 | } |
2744 | } | |
2745 | ||
ed5ff21d | 2746 | void |
d347e494 | 2747 | close_gpm (int fd) |
ed5ff21d | 2748 | { |
d347e494 SM |
2749 | if (fd >= 0) |
2750 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2751 | while (Gpm_Close()); /* close all the stack */ |
2752 | gpm_tty = NULL; | |
2753 | } | |
2754 | ||
6178ce5e | 2755 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2756 | 0, 0, 0, |
2757 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2758 | (void) |
e882229c | 2759 | { |
4ce5ab77 SM |
2760 | struct frame *f = SELECTED_FRAME (); |
2761 | struct tty_display_info *tty | |
2762 | = ((f)->output_method == output_termcap | |
2763 | ? (f)->terminal->display_info.tty : NULL); | |
2764 | ||
2765 | if (!tty || gpm_tty != tty) | |
2766 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2767 | |
d347e494 | 2768 | close_gpm (gpm_fd); |
6178ce5e | 2769 | return Qnil; |
e882229c | 2770 | } |
7e5a23bd | 2771 | #endif /* HAVE_GPM */ |
e882229c NR |
2772 | |
2773 | \f | |
89ba96f4 | 2774 | #ifndef MSDOS |
a168702a GM |
2775 | /*********************************************************************** |
2776 | Initialization | |
2777 | ***********************************************************************/ | |
2778 | ||
ed8dad6b KL |
2779 | /* Initialize the tty-dependent part of frame F. The frame must |
2780 | already have its device initialized. */ | |
3224dac1 | 2781 | |
dfcf069d | 2782 | void |
ed8dad6b | 2783 | create_tty_output (struct frame *f) |
28d440ab | 2784 | { |
38182d90 | 2785 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b KL |
2786 | |
2787 | if (! FRAME_TERMCAP_P (f)) | |
1088b922 | 2788 | emacs_abort (); |
428a555e | 2789 | |
6ed8eeff | 2790 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2791 | |
ed8dad6b | 2792 | f->output_data.tty = t; |
3224dac1 KL |
2793 | } |
2794 | ||
9f215d25 | 2795 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2796 | |
ed8dad6b | 2797 | static void |
9f215d25 | 2798 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2799 | { |
ed8dad6b | 2800 | if (! FRAME_TERMCAP_P (f)) |
1088b922 | 2801 | emacs_abort (); |
3224dac1 | 2802 | |
9f215d25 CY |
2803 | if (FRAME_FACE_CACHE (f)) |
2804 | free_frame_faces (f); | |
2805 | ||
ed8dad6b | 2806 | xfree (f->output_data.tty); |
28d440ab KL |
2807 | } |
2808 | ||
89ba96f4 EZ |
2809 | #else /* MSDOS */ |
2810 | ||
2811 | /* Delete frame F's face cache. */ | |
2812 | ||
2813 | static void | |
2814 | tty_free_frame_resources (struct frame *f) | |
2815 | { | |
2816 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
1088b922 | 2817 | emacs_abort (); |
89ba96f4 EZ |
2818 | |
2819 | if (FRAME_FACE_CACHE (f)) | |
2820 | free_frame_faces (f); | |
2821 | } | |
2822 | #endif /* MSDOS */ | |
ed8dad6b | 2823 | \f |
47cc8819 | 2824 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2825 | |
4a665758 KL |
2826 | static void |
2827 | clear_tty_hooks (struct terminal *terminal) | |
2828 | { | |
2829 | terminal->rif = 0; | |
2830 | terminal->cursor_to_hook = 0; | |
2831 | terminal->raw_cursor_to_hook = 0; | |
2832 | terminal->clear_to_end_hook = 0; | |
2833 | terminal->clear_frame_hook = 0; | |
2834 | terminal->clear_end_of_line_hook = 0; | |
2835 | terminal->ins_del_lines_hook = 0; | |
2836 | terminal->insert_glyphs_hook = 0; | |
2837 | terminal->write_glyphs_hook = 0; | |
2838 | terminal->delete_glyphs_hook = 0; | |
2839 | terminal->ring_bell_hook = 0; | |
2840 | terminal->reset_terminal_modes_hook = 0; | |
2841 | terminal->set_terminal_modes_hook = 0; | |
2842 | terminal->update_begin_hook = 0; | |
2843 | terminal->update_end_hook = 0; | |
2844 | terminal->set_terminal_window_hook = 0; | |
2845 | terminal->mouse_position_hook = 0; | |
2846 | terminal->frame_rehighlight_hook = 0; | |
2847 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2848 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2849 | terminal->set_vertical_scroll_bar_hook = 0; |
2850 | terminal->condemn_scroll_bars_hook = 0; | |
2851 | terminal->redeem_scroll_bar_hook = 0; | |
2852 | terminal->judge_scroll_bars_hook = 0; | |
2853 | terminal->read_socket_hook = 0; | |
2854 | terminal->frame_up_to_date_hook = 0; | |
2855 | ||
2856 | /* Leave these two set, or suspended frames are not deleted | |
2857 | correctly. */ | |
9f215d25 | 2858 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2859 | terminal->delete_terminal_hook = &delete_tty; |
2860 | } | |
2861 | ||
47cc8819 DN |
2862 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2863 | ||
4a665758 KL |
2864 | static void |
2865 | set_tty_hooks (struct terminal *terminal) | |
2866 | { | |
2867 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
2868 | ||
2869 | terminal->cursor_to_hook = &tty_cursor_to; | |
2870 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2871 | ||
2872 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
2873 | terminal->clear_frame_hook = &tty_clear_frame; | |
2874 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2875 | ||
2876 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
2877 | ||
2878 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
2879 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
2880 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
2881 | ||
2882 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 2883 | |
4a665758 KL |
2884 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2885 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2886 | terminal->update_begin_hook = 0; /* Not needed. */ | |
2887 | terminal->update_end_hook = &tty_update_end; | |
2888 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
2889 | ||
2890 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
2891 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
2892 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
2893 | ||
2894 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2895 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2896 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2897 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2898 | ||
2899 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2900 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 2901 | |
9f215d25 | 2902 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2903 | terminal->delete_terminal_hook = &delete_tty; |
2904 | } | |
2905 | ||
03a1d6bd | 2906 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 2907 | static void |
03a1d6bd KL |
2908 | dissociate_if_controlling_tty (int fd) |
2909 | { | |
69deda53 | 2910 | pid_t pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
dd0333b6 PE |
2911 | if (0 <= pgid) |
2912 | setsid (); | |
03a1d6bd KL |
2913 | } |
2914 | ||
3224dac1 KL |
2915 | /* Create a termcap display on the tty device with the given name and |
2916 | type. | |
2917 | ||
ab797f65 | 2918 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
2919 | Otherwise NAME should be a path to the tty device file, |
2920 | e.g. "/dev/pts/7". | |
28d440ab | 2921 | |
3224dac1 KL |
2922 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2923 | ||
2924 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 2925 | |
6ed8eeff | 2926 | struct terminal * |
8ea90aa3 | 2927 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 2928 | { |
59b3194c | 2929 | char *area = NULL; |
08a24c47 | 2930 | char **address = &area; |
6b61353c | 2931 | int buffer_size = 4096; |
08a24c47 | 2932 | int status; |
59b3194c KL |
2933 | struct tty_display_info *tty = NULL; |
2934 | struct terminal *terminal = NULL; | |
2935 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 2936 | |
3224dac1 | 2937 | if (!terminal_type) |
d31eee5e | 2938 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
2939 | "Unknown terminal type", |
2940 | "Unknown terminal type"); | |
b6660415 | 2941 | |
ab797f65 | 2942 | if (name == NULL) |
78048085 EZ |
2943 | name = DEV_TTY; |
2944 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
2945 | ctty = 1; |
2946 | ||
6ed8eeff KL |
2947 | /* If we already have a terminal on the given device, use that. If |
2948 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 2949 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 2950 | always create a new terminal and separating terminal and frame |
b6660415 | 2951 | creation on Lisp level. */ |
6ed8eeff KL |
2952 | terminal = get_named_tty (name); |
2953 | if (terminal) | |
2954 | return terminal; | |
78048085 | 2955 | |
6ed8eeff | 2956 | terminal = create_terminal (); |
84704c5c EZ |
2957 | #ifdef MSDOS |
2958 | if (been_here > 0) | |
762b15be | 2959 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
2960 | name, ""); |
2961 | been_here = 1; | |
2962 | tty = &the_only_display_info; | |
2963 | #else | |
38182d90 | 2964 | tty = xzalloc (sizeof *tty); |
84704c5c | 2965 | #endif |
c650a5de | 2966 | tty->top_frame = Qnil; |
3224dac1 KL |
2967 | tty->next = tty_list; |
2968 | tty_list = tty; | |
428a555e | 2969 | |
6ed8eeff KL |
2970 | terminal->type = output_termcap; |
2971 | terminal->display_info.tty = tty; | |
2972 | tty->terminal = terminal; | |
28d440ab | 2973 | |
38182d90 | 2974 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 2975 | Wcm_clear (tty); |
daf01701 | 2976 | |
dce4c2ac DN |
2977 | encode_terminal_src_size = 0; |
2978 | encode_terminal_dst_size = 0; | |
2979 | ||
51b59d79 | 2980 | |
84704c5c | 2981 | #ifndef DOS_NT |
4a665758 | 2982 | set_tty_hooks (terminal); |
78048085 | 2983 | |
59b3194c | 2984 | { |
49cdacda | 2985 | /* Open the terminal device. */ |
59b3194c | 2986 | FILE *file; |
0c72d684 | 2987 | |
49cdacda PE |
2988 | /* If !ctty, don't recognize it as our controlling terminal, and |
2989 | don't make it the controlling tty if we don't have one now. | |
2990 | ||
2991 | Alas, O_IGNORE_CTTY is a GNU extension that seems to be only | |
2992 | defined on Hurd. On other systems, we need to explicitly | |
2993 | dissociate ourselves from the controlling tty when we want to | |
2994 | open a frame on the same terminal. */ | |
2995 | int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY); | |
2996 | int fd = emacs_open (name, flags, 0); | |
0c72d684 | 2997 | |
97c6058a DN |
2998 | tty->name = xstrdup (name); |
2999 | terminal->name = xstrdup (name); | |
3000 | ||
59b3194c | 3001 | if (fd < 0) |
d31eee5e | 3002 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3003 | "Could not open file: %s", |
3004 | "Could not open file: %s", | |
3005 | name); | |
3006 | if (!isatty (fd)) | |
3007 | { | |
3008 | close (fd); | |
d31eee5e | 3009 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3010 | "Not a tty device: %s", |
3011 | "Not a tty device: %s", | |
3012 | name); | |
3013 | } | |
0c72d684 | 3014 | |
49cdacda | 3015 | if (!O_IGNORE_CTTY && !ctty) |
03a1d6bd | 3016 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3017 | |
3018 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3019 | tty->input = file; |
3020 | tty->output = file; | |
3021 | } | |
78048085 | 3022 | |
28d7d09f | 3023 | tty->type = xstrdup (terminal_type); |
28d440ab | 3024 | |
819b8f00 | 3025 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3026 | |
6548cf00 | 3027 | Wcm_clear (tty); |
08a24c47 | 3028 | |
23f86fce | 3029 | tty->termcap_term_buffer = xmalloc (buffer_size); |
78048085 | 3030 | |
03a1d6bd KL |
3031 | /* On some systems, tgetent tries to access the controlling |
3032 | terminal. */ | |
2fe28299 PE |
3033 | { |
3034 | sigset_t blocked; | |
3035 | sigemptyset (&blocked); | |
3036 | sigaddset (&blocked, SIGTTOU); | |
3037 | pthread_sigmask (SIG_BLOCK, &blocked, 0); | |
3038 | status = tgetent (tty->termcap_term_buffer, terminal_type); | |
3039 | pthread_sigmask (SIG_UNBLOCK, &blocked, 0); | |
3040 | } | |
78048085 | 3041 | |
08a24c47 | 3042 | if (status < 0) |
b0347178 KH |
3043 | { |
3044 | #ifdef TERMINFO | |
d31eee5e | 3045 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3046 | "Cannot open terminfo database file", |
3047 | "Cannot open terminfo database file"); | |
b0347178 | 3048 | #else |
d31eee5e | 3049 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3050 | "Cannot open termcap database file", |
3051 | "Cannot open termcap database file"); | |
b0347178 KH |
3052 | #endif |
3053 | } | |
08a24c47 | 3054 | if (status == 0) |
b0347178 | 3055 | { |
d31eee5e | 3056 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3057 | "Terminal type %s is not defined", |
3058 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3059 | If that is not the actual type of terminal you have,\n\ |
3060 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3061 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3062 | #ifdef TERMINFO | |
3063 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3064 | #else |
84164a0d | 3065 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3066 | #endif |
84164a0d | 3067 | terminal_type); |
b0347178 | 3068 | } |
6b61353c KH |
3069 | |
3070 | #ifndef TERMINFO | |
d31eee5e | 3071 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
1088b922 | 3072 | emacs_abort (); |
d31eee5e | 3073 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3074 | #endif |
23f86fce | 3075 | tty->termcap_strings_buffer = area = xmalloc (buffer_size); |
fca177d4 KL |
3076 | tty->TS_ins_line = tgetstr ("al", address); |
3077 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3078 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3079 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3080 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3081 | tty->TS_clr_line = tgetstr ("ce", address); | |
3082 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3083 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3084 | AbsPosition (tty) = tgetstr ("cm", address); | |
3085 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3086 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3087 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3088 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3089 | tty->TS_del_char = tgetstr ("dc", address); |
3090 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3091 | tty->TS_del_line = tgetstr ("dl", address); | |
3092 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3093 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3094 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3095 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3096 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3097 | tty->TS_ins_char = tgetstr ("ic", address); |
3098 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3099 | tty->TS_insert_mode = tgetstr ("im", address); | |
3100 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3101 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3102 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3103 | LastLine (tty) = tgetstr ("ll", address); |
3104 | Right (tty) = tgetstr ("nd", address); | |
3105 | Down (tty) = tgetstr ("do", address); | |
3106 | if (!Down (tty)) | |
3107 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3108 | if (tgetflag ("bs")) |
6548cf00 | 3109 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3110 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3111 | Left (tty) = tgetstr ("le", address); |
3112 | if (!Left (tty)) | |
3113 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3114 | tty->TS_pad_char = tgetstr ("pc", address); |
3115 | tty->TS_repeat = tgetstr ("rp", address); | |
3116 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3117 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3118 | tty->TS_standout_mode = tgetstr ("so", address); | |
3119 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3120 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3121 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3122 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3123 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3124 | tty->TS_visible_bell = tgetstr ("vb", address); |
3125 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3126 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3127 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3128 | tty->TS_set_window = tgetstr ("wi", address); | |
3129 | ||
3130 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3131 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3132 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 3133 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 3134 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
3135 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
3136 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3137 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3138 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3139 | |
6548cf00 KL |
3140 | MultiUp (tty) = tgetstr ("UP", address); |
3141 | MultiDown (tty) = tgetstr ("DO", address); | |
3142 | MultiLeft (tty) = tgetstr ("LE", address); | |
3143 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3144 | |
5c32d3f2 | 3145 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
3146 | color because we can't switch back to the default foreground and |
3147 | background. */ | |
fca177d4 KL |
3148 | tty->TS_orig_pair = tgetstr ("op", address); |
3149 | if (tty->TS_orig_pair) | |
a168702a | 3150 | { |
fca177d4 KL |
3151 | tty->TS_set_foreground = tgetstr ("AF", address); |
3152 | tty->TS_set_background = tgetstr ("AB", address); | |
3153 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3154 | { |
3155 | /* SVr4. */ | |
fca177d4 KL |
3156 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3157 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3158 | } |
177c0ea7 | 3159 | |
fca177d4 KL |
3160 | tty->TN_max_colors = tgetnum ("Co"); |
3161 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3162 | |
fca177d4 KL |
3163 | tty->TN_no_color_video = tgetnum ("NC"); |
3164 | if (tty->TN_no_color_video == -1) | |
3165 | tty->TN_no_color_video = 0; | |
a168702a | 3166 | } |
a168702a | 3167 | |
fca177d4 | 3168 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3169 | |
6548cf00 | 3170 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3171 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3172 | the former flag imply the latter. */ | |
6548cf00 | 3173 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3174 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3175 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3176 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3177 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3178 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3179 | tty->TF_standout_motion = tgetflag ("ms"); | |
3180 | tty->TF_underscore = tgetflag ("ul"); | |
3181 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3182 | |
dce4c2ac DN |
3183 | #else /* DOS_NT */ |
3184 | #ifdef WINDOWSNT | |
3185 | { | |
3186 | struct frame *f = XFRAME (selected_frame); | |
3187 | ||
3188 | initialize_w32_display (terminal); | |
3189 | ||
3190 | FrameRows (tty) = FRAME_LINES (f); | |
3191 | FrameCols (tty) = FRAME_COLS (f); | |
3192 | tty->specified_window = FRAME_LINES (f); | |
3193 | ||
dce4c2ac DN |
3194 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; |
3195 | terminal->char_ins_del_ok = 1; | |
3196 | baud_rate = 19200; | |
3197 | } | |
3198 | #else /* MSDOS */ | |
3199 | { | |
3200 | int height, width; | |
3201 | if (strcmp (terminal_type, "internal") == 0) | |
3202 | terminal->type = output_msdos_raw; | |
3203 | initialize_msdos_display (terminal); | |
3204 | ||
3205 | get_tty_size (fileno (tty->input), &width, &height); | |
3206 | FrameCols (tty) = width; | |
3207 | FrameRows (tty) = height; | |
3208 | terminal->char_ins_del_ok = 0; | |
3209 | init_baud_rate (fileno (tty->input)); | |
3210 | } | |
3211 | #endif /* MSDOS */ | |
3212 | tty->output = stdout; | |
3213 | tty->input = stdin; | |
3214 | /* The following two are inaccessible from w32console.c. */ | |
3215 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3216 | terminal->delete_terminal_hook = &delete_tty; | |
3217 | ||
3218 | tty->name = xstrdup (name); | |
3219 | terminal->name = xstrdup (name); | |
3220 | tty->type = xstrdup (terminal_type); | |
3221 | ||
3222 | add_keyboard_wait_descriptor (0); | |
3223 | ||
dce4c2ac DN |
3224 | tty->delete_in_insert_mode = 1; |
3225 | ||
3226 | UseTabs (tty) = 0; | |
3227 | terminal->scroll_region_ok = 0; | |
3228 | ||
3229 | /* Seems to insert lines when it's not supposed to, messing up the | |
3230 | display. In doing a trace, it didn't seem to be called much, so I | |
3231 | don't think we're losing anything by turning it off. */ | |
3232 | terminal->line_ins_del_ok = 0; | |
3233 | ||
3234 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3235 | #endif /* DOS_NT */ | |
3236 | ||
6bc8cd65 JB |
3237 | #ifdef HAVE_GPM |
3238 | terminal->mouse_position_hook = term_mouse_position; | |
3239 | tty->mouse_highlight.mouse_face_window = Qnil; | |
3240 | #endif | |
3241 | ||
38182d90 | 3242 | terminal->kboard = xmalloc (sizeof *terminal->kboard); |
6ed8eeff | 3243 | init_kboard (terminal->kboard); |
15dbb4d6 | 3244 | kset_window_system (terminal->kboard, Qnil); |
6ed8eeff KL |
3245 | terminal->kboard->next_kboard = all_kboards; |
3246 | all_kboards = terminal->kboard; | |
3247 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3248 | /* Don't let the initial kboard remain current longer than necessary. |
3249 | That would cause problems if a file loaded on startup tries to | |
3250 | prompt in the mini-buffer. */ | |
3251 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3252 | current_kboard = terminal->kboard; |
84704c5c | 3253 | #ifndef DOS_NT |
6ed8eeff | 3254 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3255 | |
ff11dfa1 | 3256 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3257 | { |
3258 | int height, width; | |
0b0d3e0b | 3259 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3260 | FrameCols (tty) = width; |
3261 | FrameRows (tty) = height; | |
3b12ce12 RS |
3262 | } |
3263 | ||
0a125897 KL |
3264 | if (FrameCols (tty) <= 0) |
3265 | FrameCols (tty) = tgetnum ("co"); | |
3266 | if (FrameRows (tty) <= 0) | |
3267 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3268 | |
0a125897 | 3269 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3270 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3271 | "Screen size %dx%d is too small", |
3224dac1 | 3272 | "Screen size %dx%d is too small", |
0a125897 | 3273 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3274 | |
6548cf00 | 3275 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3276 | |
fca177d4 KL |
3277 | if (!tty->TS_bell) |
3278 | tty->TS_bell = "\07"; | |
08a24c47 | 3279 | |
fca177d4 KL |
3280 | if (!tty->TS_fwd_scroll) |
3281 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3282 | |
fca177d4 | 3283 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3284 | |
6548cf00 KL |
3285 | if (TabWidth (tty) < 0) |
3286 | TabWidth (tty) = 8; | |
177c0ea7 | 3287 | |
08a24c47 JB |
3288 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3289 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3290 | if (!tty->Wcm->cm_tab) |
3291 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3292 | */ |
3293 | ||
54800acb MB |
3294 | /* We don't support standout modes that use `magic cookies', so |
3295 | turn off any that do. */ | |
fca177d4 | 3296 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3297 | { |
fca177d4 KL |
3298 | tty->TS_standout_mode = 0; |
3299 | tty->TS_end_standout_mode = 0; | |
54800acb | 3300 | } |
fca177d4 | 3301 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3302 | { |
fca177d4 KL |
3303 | tty->TS_enter_underline_mode = 0; |
3304 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3305 | } |
3306 | ||
3307 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3308 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3309 | { |
fca177d4 KL |
3310 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3311 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3312 | } |
3313 | ||
afd359c4 RS |
3314 | /* If no `se' string, try using a `me' string instead. |
3315 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3316 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3317 | { |
e4bfb3b6 | 3318 | char *s = tgetstr ("me", address); |
afd359c4 | 3319 | if (s != 0) |
fca177d4 | 3320 | tty->TS_end_standout_mode = s; |
afd359c4 | 3321 | else |
fca177d4 | 3322 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3323 | } |
3324 | ||
fca177d4 | 3325 | if (tty->TF_teleray) |
08a24c47 | 3326 | { |
6548cf00 | 3327 | tty->Wcm->cm_tab = 0; |
54800acb | 3328 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3329 | tty->TS_standout_mode = 0; |
08a24c47 | 3330 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3331 | CR (tty) = 0; |
08a24c47 JB |
3332 | /* LF can't be trusted either -- can alter hpos */ |
3333 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3334 | Down (tty) = 0; |
08a24c47 JB |
3335 | } |
3336 | ||
0a125897 | 3337 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3338 | |
6548cf00 | 3339 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3340 | { |
d31eee5e | 3341 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3342 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3343 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3344 | It lacks the ability to position the cursor.\n\ |
3345 | If that is not the actual type of terminal you have,\n\ | |
3346 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3347 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3348 | # ifdef TERMINFO | |
3349 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3350 | # else /* TERMCAP */ |
84164a0d | 3351 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3352 | # endif /* TERMINFO */ |
3224dac1 | 3353 | terminal_type); |
fca177d4 | 3354 | } |
daf01701 | 3355 | |
0a125897 | 3356 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3357 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3358 | "Could not determine the frame size", |
3359 | "Could not determine the frame size"); | |
08a24c47 | 3360 | |
fca177d4 KL |
3361 | tty->delete_in_insert_mode |
3362 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3363 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3364 | |
0b0d3e0b | 3365 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3366 | |
6ed8eeff | 3367 | terminal->scroll_region_ok |
6548cf00 | 3368 | = (tty->Wcm->cm_abs |
fca177d4 | 3369 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3370 | |
6ed8eeff | 3371 | terminal->line_ins_del_ok |
fca177d4 KL |
3372 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3373 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3374 | || (terminal->scroll_region_ok |
fca177d4 | 3375 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3376 | |
6ed8eeff | 3377 | terminal->char_ins_del_ok |
fca177d4 KL |
3378 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3379 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3380 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3381 | |
6ed8eeff | 3382 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3383 | |
0b0d3e0b | 3384 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3385 | |
84704c5c | 3386 | #endif /* not DOS_NT */ |
635e3b29 | 3387 | |
0a125897 KL |
3388 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3389 | init_sys_modes (tty); | |
daf01701 | 3390 | |
6ed8eeff | 3391 | return terminal; |
08a24c47 JB |
3392 | } |
3393 | ||
b3ffc17c DN |
3394 | |
3395 | static void | |
3396 | vfatal (const char *str, va_list ap) | |
3397 | { | |
3398 | fprintf (stderr, "emacs: "); | |
3399 | vfprintf (stderr, str, ap); | |
3400 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3401 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
3402 | fflush (stderr); |
3403 | exit (1); | |
3404 | } | |
3405 | ||
3406 | ||
a4c6993d | 3407 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 3408 | Delete TERMINAL, then call error or fatal with str1 or str2, |
762b15be | 3409 | respectively, according to whether MUST_SUCCEED is zero or not. */ |
6b61353c | 3410 | |
3224dac1 | 3411 | static void |
b3ffc17c DN |
3412 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3413 | const char *str1, const char *str2, ...) | |
3224dac1 | 3414 | { |
b3ffc17c DN |
3415 | va_list ap; |
3416 | va_start (ap, str2); | |
6ed8eeff KL |
3417 | if (terminal) |
3418 | delete_tty (terminal); | |
f4d953fc | 3419 | |
3224dac1 | 3420 | if (must_succeed) |
b3ffc17c | 3421 | vfatal (str2, ap); |
3224dac1 | 3422 | else |
b3ffc17c | 3423 | verror (str1, ap); |
3224dac1 | 3424 | |
b3ffc17c | 3425 | va_end (ap); |
1088b922 | 3426 | emacs_abort (); |
08a24c47 JB |
3427 | } |
3428 | ||
dfcf069d | 3429 | void |
7c401d15 | 3430 | fatal (const char *str, ...) |
08a24c47 | 3431 | { |
7c401d15 DN |
3432 | va_list ap; |
3433 | va_start (ap, str); | |
b3ffc17c | 3434 | vfatal (str, ap); |
7c401d15 | 3435 | va_end (ap); |
08a24c47 | 3436 | } |
07c57952 | 3437 | |
819b8f00 KL |
3438 | \f |
3439 | ||
6ed8eeff | 3440 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3441 | |
ed8dad6b | 3442 | static void |
6ed8eeff | 3443 | delete_tty (struct terminal *terminal) |
072d84a6 | 3444 | { |
428a555e | 3445 | struct tty_display_info *tty; |
f4d953fc | 3446 | |
e2749141 | 3447 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3448 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3449 | if (!terminal->name) |
0a125897 | 3450 | return; |
fca177d4 | 3451 | |
6ed8eeff | 3452 | if (terminal->type != output_termcap) |
1088b922 | 3453 | emacs_abort (); |
428a555e | 3454 | |
6ed8eeff | 3455 | tty = terminal->display_info.tty; |
f4d953fc | 3456 | |
fca177d4 KL |
3457 | if (tty == tty_list) |
3458 | tty_list = tty->next; | |
3459 | else | |
3460 | { | |
28d7d09f | 3461 | struct tty_display_info *p; |
fca177d4 KL |
3462 | for (p = tty_list; p && p->next != tty; p = p->next) |
3463 | ; | |
3464 | ||
3465 | if (! p) | |
3466 | /* This should not happen. */ | |
1088b922 | 3467 | emacs_abort (); |
fca177d4 | 3468 | |
0a125897 KL |
3469 | p->next = tty->next; |
3470 | tty->next = 0; | |
fca177d4 KL |
3471 | } |
3472 | ||
7e59217d | 3473 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3474 | before delete_terminal. */ |
04c3243c | 3475 | reset_sys_modes (tty); |
fca177d4 | 3476 | |
6ed8eeff | 3477 | delete_terminal (terminal); |
3224dac1 | 3478 | |
70fdbb46 JM |
3479 | xfree (tty->name); |
3480 | xfree (tty->type); | |
daf01701 | 3481 | |
fca177d4 | 3482 | if (tty->input) |
819b8f00 KL |
3483 | { |
3484 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3485 | if (tty->input != stdin) | |
3486 | fclose (tty->input); | |
3487 | } | |
3488 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3489 | fclose (tty->output); |
3490 | if (tty->termscript) | |
3491 | fclose (tty->termscript); | |
daf01701 | 3492 | |
70fdbb46 JM |
3493 | xfree (tty->old_tty); |
3494 | xfree (tty->Wcm); | |
5f445726 JM |
3495 | xfree (tty->termcap_strings_buffer); |
3496 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3497 | |
fca177d4 | 3498 | xfree (tty); |
fca177d4 KL |
3499 | } |
3500 | ||
dfcf069d | 3501 | void |
d3da34e0 | 3502 | syms_of_term (void) |
07c57952 | 3503 | { |
29208e82 | 3504 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3505 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3506 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3507 | #ifdef TERMINFO |
3508 | system_uses_terminfo = 1; | |
3509 | #else | |
3510 | system_uses_terminfo = 0; | |
3511 | #endif | |
c291d9ef | 3512 | |
29208e82 | 3513 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 3514 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 3515 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3516 | See `suspend-tty'. */); |
e4019195 | 3517 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3518 | |
3519 | ||
29208e82 | 3520 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 3521 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 3522 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3523 | See `resume-tty'. */); |
e4019195 | 3524 | Vresume_tty_functions = Qnil; |
a168702a | 3525 | |
29208e82 | 3526 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3527 | doc: /* Non-nil means to make the cursor very visible. |
3528 | This only has an effect when running in a text terminal. | |
3529 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3530 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3531 | visible_cursor = 1; | |
3532 | ||
a168702a | 3533 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3534 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3535 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3536 | defsubr (&Stty_type); |
3537 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 3538 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
3539 | defsubr (&Ssuspend_tty); |
3540 | defsubr (&Sresume_tty); | |
7e5a23bd | 3541 | #ifdef HAVE_GPM |
6178ce5e SM |
3542 | defsubr (&Sgpm_mouse_start); |
3543 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3544 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3545 | |
84704c5c | 3546 | #ifndef DOS_NT |
3a7c5d40 CY |
3547 | default_orig_pair = NULL; |
3548 | default_set_foreground = NULL; | |
3549 | default_set_background = NULL; | |
84704c5c | 3550 | #endif /* !DOS_NT */ |
d31eee5e CY |
3551 | |
3552 | encode_terminal_src = NULL; | |
3553 | encode_terminal_dst = NULL; | |
07c57952 | 3554 | } |