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 | |
b5e9cbb6 | 59 | #include "menu.h" |
6b61353c | 60 | |
78048085 EZ |
61 | /* The name of the default console device. */ |
62 | #ifdef WINDOWSNT | |
63 | #define DEV_TTY "CONOUT$" | |
a68089e4 | 64 | #include "w32term.h" |
78048085 EZ |
65 | #else |
66 | #define DEV_TTY "/dev/tty" | |
67 | #endif | |
a168702a | 68 | |
f57e2426 J |
69 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
70 | static void turn_on_face (struct frame *, int face_id); | |
71 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 72 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
73 | static void tty_show_cursor (struct tty_display_info *); |
74 | static void tty_hide_cursor (struct tty_display_info *); | |
75 | static void tty_background_highlight (struct tty_display_info *tty); | |
653d4f43 | 76 | static struct terminal *get_tty_terminal (Lisp_Object, bool); |
f57e2426 J |
77 | static void clear_tty_hooks (struct terminal *terminal); |
78 | static void set_tty_hooks (struct terminal *terminal); | |
79 | static void dissociate_if_controlling_tty (int fd); | |
80 | static void delete_tty (struct terminal *); | |
653d4f43 PE |
81 | static _Noreturn void maybe_fatal (bool, struct terminal *, |
82 | const char *, const char *, ...) | |
845ca893 PE |
83 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); |
84 | static _Noreturn void vfatal (const char *str, va_list ap) | |
85 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 86 | |
a168702a | 87 | |
6548cf00 KL |
88 | #define OUTPUT(tty, a) \ |
89 | emacs_tputs ((tty), a, \ | |
653d4f43 | 90 | FRAME_LINES (XFRAME (selected_frame)) - curY (tty), \ |
6548cf00 KL |
91 | cmputc) |
92 | ||
28d440ab KL |
93 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
94 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 95 | |
28d440ab | 96 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
97 | do { \ |
98 | if (a) \ | |
b286858c | 99 | OUTPUT (tty, a); \ |
6548cf00 | 100 | } while (0) |
177c0ea7 | 101 | |
28d440ab | 102 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 103 | |
f46c2aff | 104 | /* Display space properties */ |
08a24c47 | 105 | |
428a555e | 106 | /* Chain of all tty device parameters. */ |
28d7d09f | 107 | struct tty_display_info *tty_list; |
08a24c47 | 108 | |
4e6ba4a4 GM |
109 | /* Meaning of bits in no_color_video. Each bit set means that the |
110 | corresponding attribute cannot be combined with colors. */ | |
111 | ||
112 | enum no_color_bit | |
113 | { | |
114 | NC_STANDOUT = 1 << 0, | |
115 | NC_UNDERLINE = 1 << 1, | |
116 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 117 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
118 | NC_DIM = 1 << 4, |
119 | NC_BOLD = 1 << 5, | |
120 | NC_INVIS = 1 << 6, | |
cd4eb164 | 121 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
122 | }; |
123 | ||
08a24c47 JB |
124 | /* internal state */ |
125 | ||
8dd0c7cb | 126 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 127 | |
64520e5c | 128 | static int max_frame_cols; |
a168702a | 129 | |
08a24c47 | 130 | \f |
cb28b9c2 | 131 | |
7e5a23bd | 132 | #ifdef HAVE_GPM |
e882229c | 133 | #include <sys/fcntl.h> |
e882229c | 134 | |
71f44e7a SM |
135 | /* The device for which we have enabled gpm support (or NULL). */ |
136 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 137 | |
cf482c50 | 138 | /* Last recorded mouse coordinates. */ |
e882229c | 139 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 140 | #endif /* HAVE_GPM */ |
e882229c | 141 | |
da8e1115 | 142 | /* Ring the bell on a tty. */ |
c291d9ef | 143 | |
ed8dad6b | 144 | static void |
385ed61f | 145 | tty_ring_bell (struct frame *f) |
3224dac1 | 146 | { |
3224dac1 | 147 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 148 | |
b6660415 KL |
149 | if (tty->output) |
150 | { | |
151 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
152 | ? tty->TS_visible_bell | |
153 | : tty->TS_bell)); | |
154 | fflush (tty->output); | |
08a24c47 | 155 | } |
08a24c47 JB |
156 | } |
157 | ||
da8e1115 KL |
158 | /* Set up termcap modes for Emacs. */ |
159 | ||
64520e5c | 160 | static void |
6ed8eeff | 161 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 162 | { |
6ed8eeff | 163 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 164 | |
0b0d3e0b | 165 | if (tty->output) |
08a24c47 | 166 | { |
fbf34973 KL |
167 | if (tty->TS_termcap_modes) |
168 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 169 | else |
fbf34973 KL |
170 | { |
171 | /* Output enough newlines to scroll all the old screen contents | |
172 | off the screen, so it won't be overwritten and lost. */ | |
173 | int i; | |
a3c07f68 | 174 | current_tty = tty; |
fbf34973 | 175 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 176 | cmputc ('\n'); |
fbf34973 KL |
177 | } |
178 | ||
b58cb614 | 179 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
180 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
181 | losecursor (tty); | |
2f98e6e3 | 182 | fflush (tty->output); |
08a24c47 | 183 | } |
08a24c47 JB |
184 | } |
185 | ||
da8e1115 KL |
186 | /* Reset termcap modes before exiting Emacs. */ |
187 | ||
64520e5c | 188 | static void |
6ed8eeff | 189 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 190 | { |
6ed8eeff | 191 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
192 | |
193 | if (tty->output) | |
08a24c47 | 194 | { |
ed8dad6b KL |
195 | tty_turn_off_highlight (tty); |
196 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
197 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
198 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
199 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
200 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 201 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 202 | current_tty = tty; |
d284f58f | 203 | cmputc ('\r'); |
2f98e6e3 | 204 | fflush (tty->output); |
08a24c47 | 205 | } |
08a24c47 JB |
206 | } |
207 | ||
6ed8eeff | 208 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 209 | |
ed8dad6b | 210 | static void |
3224dac1 | 211 | tty_update_end (struct frame *f) |
08a24c47 | 212 | { |
3224dac1 | 213 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 214 | |
3224dac1 KL |
215 | if (!XWINDOW (selected_window)->cursor_off_p) |
216 | tty_show_cursor (tty); | |
ed8dad6b KL |
217 | tty_turn_off_insert (tty); |
218 | tty_background_highlight (tty); | |
08a24c47 JB |
219 | } |
220 | ||
da8e1115 KL |
221 | /* The implementation of set_terminal_window for termcap frames. */ |
222 | ||
ed8dad6b | 223 | static void |
385ed61f | 224 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 225 | { |
3224dac1 KL |
226 | struct tty_display_info *tty = FRAME_TTY (f); |
227 | ||
228 | tty->specified_window = size ? size : FRAME_LINES (f); | |
229 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 230 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
231 | } |
232 | ||
ed8dad6b KL |
233 | static void |
234 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
235 | { |
236 | char *buf; | |
28d7d09f | 237 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 238 | |
fca177d4 | 239 | if (tty->TS_set_scroll_region) |
50938595 | 240 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
241 | else if (tty->TS_set_scroll_region_1) |
242 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
243 | FRAME_LINES (f), start, |
244 | FRAME_LINES (f) - stop, | |
245 | FRAME_LINES (f)); | |
08a24c47 | 246 | else |
fca177d4 | 247 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 248 | |
6548cf00 | 249 | OUTPUT (tty, buf); |
9ac0d9e0 | 250 | xfree (buf); |
6548cf00 | 251 | losecursor (tty); |
08a24c47 | 252 | } |
d284f58f | 253 | |
08a24c47 | 254 | \f |
d284f58f | 255 | static void |
ed8dad6b | 256 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 257 | { |
fca177d4 KL |
258 | if (!tty->insert_mode) |
259 | OUTPUT (tty, tty->TS_insert_mode); | |
260 | tty->insert_mode = 1; | |
08a24c47 JB |
261 | } |
262 | ||
dfcf069d | 263 | void |
ed8dad6b | 264 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 265 | { |
fca177d4 KL |
266 | if (tty->insert_mode) |
267 | OUTPUT (tty, tty->TS_end_insert_mode); | |
268 | tty->insert_mode = 0; | |
08a24c47 JB |
269 | } |
270 | \f | |
54800acb | 271 | /* Handle highlighting. */ |
08a24c47 | 272 | |
64520e5c | 273 | static void |
ed8dad6b | 274 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 275 | { |
fca177d4 KL |
276 | if (tty->standout_mode) |
277 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
278 | tty->standout_mode = 0; | |
08a24c47 JB |
279 | } |
280 | ||
d284f58f | 281 | static void |
ed8dad6b | 282 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 283 | { |
fca177d4 KL |
284 | if (!tty->standout_mode) |
285 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
286 | tty->standout_mode = 1; | |
08a24c47 JB |
287 | } |
288 | ||
86a7d192 | 289 | static void |
ed8dad6b | 290 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 291 | { |
fca177d4 | 292 | if (tty->standout_mode) |
ed8dad6b | 293 | tty_turn_off_highlight (tty); |
86a7d192 | 294 | else |
ed8dad6b | 295 | tty_turn_on_highlight (tty); |
86a7d192 GM |
296 | } |
297 | ||
a168702a GM |
298 | |
299 | /* Make cursor invisible. */ | |
300 | ||
301 | static void | |
28d7d09f | 302 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 303 | { |
fca177d4 | 304 | if (tty->cursor_hidden == 0) |
d284f58f | 305 | { |
fca177d4 | 306 | tty->cursor_hidden = 1; |
28a16449 EZ |
307 | #ifdef WINDOWSNT |
308 | w32con_hide_cursor (); | |
309 | #else | |
fca177d4 | 310 | OUTPUT_IF (tty, tty->TS_cursor_invisible); |
28a16449 | 311 | #endif |
d284f58f | 312 | } |
a168702a GM |
313 | } |
314 | ||
315 | ||
316 | /* Ensure that cursor is visible. */ | |
317 | ||
318 | static void | |
28d7d09f | 319 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 320 | { |
fca177d4 | 321 | if (tty->cursor_hidden) |
d284f58f | 322 | { |
fca177d4 | 323 | tty->cursor_hidden = 0; |
28a16449 EZ |
324 | #ifdef WINDOWSNT |
325 | w32con_show_cursor (); | |
326 | #else | |
fca177d4 | 327 | OUTPUT_IF (tty, tty->TS_cursor_normal); |
0db017c0 | 328 | if (visible_cursor) |
b58cb614 | 329 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
28a16449 | 330 | #endif |
d284f58f | 331 | } |
a168702a GM |
332 | } |
333 | ||
334 | ||
08a24c47 JB |
335 | /* Set standout mode to the state it should be in for |
336 | empty space inside windows. What this is, | |
337 | depends on the user option inverse-video. */ | |
338 | ||
ed8dad6b KL |
339 | static void |
340 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 341 | { |
08a24c47 | 342 | if (inverse_video) |
ed8dad6b | 343 | tty_turn_on_highlight (tty); |
08a24c47 | 344 | else |
ed8dad6b | 345 | tty_turn_off_highlight (tty); |
08a24c47 JB |
346 | } |
347 | ||
348 | /* Set standout mode to the mode specified for the text to be output. */ | |
349 | ||
dfcf069d | 350 | static void |
ed8dad6b | 351 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 352 | { |
8ede64a5 | 353 | if (inverse_video) |
ed8dad6b | 354 | tty_turn_on_highlight (tty); |
8ede64a5 | 355 | else |
ed8dad6b | 356 | tty_turn_off_highlight (tty); |
08a24c47 JB |
357 | } |
358 | \f | |
359 | ||
a168702a GM |
360 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
361 | frame-relative coordinates. */ | |
08a24c47 | 362 | |
ed8dad6b | 363 | static void |
385ed61f | 364 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 365 | { |
3224dac1 | 366 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 367 | |
36cae867 KH |
368 | /* Detect the case where we are called from reset_sys_modes |
369 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 370 | if (! tty->costs_set) |
36cae867 KH |
371 | return; |
372 | ||
6548cf00 KL |
373 | if (curY (tty) == vpos |
374 | && curX (tty) == hpos) | |
08a24c47 | 375 | return; |
fca177d4 | 376 | if (!tty->TF_standout_motion) |
ed8dad6b | 377 | tty_background_highlight (tty); |
fca177d4 | 378 | if (!tty->TF_insmode_motion) |
ed8dad6b | 379 | tty_turn_off_insert (tty); |
6548cf00 | 380 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
381 | } |
382 | ||
383 | /* Similar but don't take any account of the wasted characters. */ | |
384 | ||
ed8dad6b | 385 | static void |
385ed61f | 386 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 387 | { |
3224dac1 KL |
388 | struct tty_display_info *tty = FRAME_TTY (f); |
389 | ||
6548cf00 KL |
390 | if (curY (tty) == row |
391 | && curX (tty) == col) | |
08a24c47 | 392 | return; |
fca177d4 | 393 | if (!tty->TF_standout_motion) |
ed8dad6b | 394 | tty_background_highlight (tty); |
fca177d4 | 395 | if (!tty->TF_insmode_motion) |
ed8dad6b | 396 | tty_turn_off_insert (tty); |
6548cf00 | 397 | cmgoto (tty, row, col); |
08a24c47 JB |
398 | } |
399 | \f | |
400 | /* Erase operations */ | |
401 | ||
da8e1115 KL |
402 | /* Clear from cursor to end of frame on a termcap device. */ |
403 | ||
ed8dad6b | 404 | static void |
385ed61f | 405 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
406 | { |
407 | register int i; | |
3224dac1 | 408 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 409 | |
fca177d4 | 410 | if (tty->TS_clr_to_bottom) |
08a24c47 | 411 | { |
ed8dad6b | 412 | tty_background_highlight (tty); |
fca177d4 | 413 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
414 | } |
415 | else | |
416 | { | |
6548cf00 | 417 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 418 | { |
385ed61f KL |
419 | cursor_to (f, i, 0); |
420 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
421 | } |
422 | } | |
423 | } | |
424 | ||
da8e1115 | 425 | /* Clear an entire termcap frame. */ |
08a24c47 | 426 | |
ed8dad6b | 427 | static void |
385ed61f | 428 | tty_clear_frame (struct frame *f) |
08a24c47 | 429 | { |
3224dac1 | 430 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 431 | |
fca177d4 | 432 | if (tty->TS_clr_frame) |
08a24c47 | 433 | { |
ed8dad6b | 434 | tty_background_highlight (tty); |
fca177d4 | 435 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 436 | cmat (tty, 0, 0); |
08a24c47 JB |
437 | } |
438 | else | |
439 | { | |
385ed61f KL |
440 | cursor_to (f, 0, 0); |
441 | clear_to_end (f); | |
08a24c47 JB |
442 | } |
443 | } | |
444 | ||
da8e1115 | 445 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
446 | |
447 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
448 | ||
ed8dad6b | 449 | static void |
385ed61f | 450 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
451 | { |
452 | register int i; | |
3224dac1 | 453 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 454 | |
36cae867 KH |
455 | /* Detect the case where we are called from reset_sys_modes |
456 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 457 | if (! tty->costs_set) |
36cae867 KH |
458 | return; |
459 | ||
6548cf00 | 460 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 461 | return; |
ed8dad6b | 462 | tty_background_highlight (tty); |
fca177d4 | 463 | if (tty->TS_clr_line) |
08a24c47 | 464 | { |
fca177d4 | 465 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
466 | } |
467 | else | |
468 | { /* have to do it the hard way */ | |
ed8dad6b | 469 | tty_turn_off_insert (tty); |
08a24c47 | 470 | |
a168702a | 471 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 472 | if (AutoWrap (tty) |
0a125897 KL |
473 | && curY (tty) == FrameRows (tty) - 1 |
474 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
475 | first_unused_hpos--; |
476 | ||
6548cf00 | 477 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 478 | { |
0b0d3e0b KL |
479 | if (tty->termscript) |
480 | fputc (' ', tty->termscript); | |
481 | fputc (' ', tty->output); | |
08a24c47 | 482 | } |
6548cf00 | 483 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
484 | } |
485 | } | |
486 | \f | |
288d5132 KH |
487 | /* Buffers to store the source and result of code conversion for terminal. */ |
488 | static unsigned char *encode_terminal_src; | |
489 | static unsigned char *encode_terminal_dst; | |
490 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
491 | static ptrdiff_t encode_terminal_src_size; |
492 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
493 | |
494 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
495 | Set CODING->produced to the byte-length of the resulting byte | |
496 | sequence, and return a pointer to that byte sequence. */ | |
497 | ||
7ef4b50c | 498 | unsigned char * |
d3da34e0 | 499 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 500 | { |
feef4f84 | 501 | struct glyph *src_end = src + src_len; |
288d5132 | 502 | unsigned char *buf; |
fee31f82 PE |
503 | ptrdiff_t nchars, nbytes, required; |
504 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 505 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 506 | Lisp_Object charset_list; |
c5a518df | 507 | |
288d5132 KH |
508 | /* Allocate sufficient size of buffer to store all characters in |
509 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
510 | Vglyph_table contains a string or a composite glyph is |
511 | encountered. */ | |
fee31f82 PE |
512 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
513 | memory_full (SIZE_MAX); | |
514 | required = src_len; | |
515 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
516 | if (encode_terminal_src_size < required) |
517 | { | |
fee31f82 | 518 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
519 | encode_terminal_src_size = required; |
520 | } | |
6589fd67 | 521 | |
288d5132 | 522 | charset_list = coding_charset_list (coding); |
a4decb7f | 523 | |
288d5132 KH |
524 | buf = encode_terminal_src; |
525 | nchars = 0; | |
526 | while (src < src_end) | |
a4decb7f | 527 | { |
4c12d738 KH |
528 | if (src->type == COMPOSITE_GLYPH) |
529 | { | |
c2ed9c8b PE |
530 | struct composition *cmp IF_LINT (= NULL); |
531 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
532 | int i; |
533 | ||
534 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
535 | if (src->u.cmp.automatic) |
536 | { | |
537 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 538 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
539 | } |
540 | else | |
541 | { | |
542 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
543 | required = cmp->glyph_len; |
544 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 545 | } |
4c12d738 | 546 | |
fee31f82 | 547 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 548 | { |
0065d054 PE |
549 | encode_terminal_src = |
550 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
551 | required - (encode_terminal_src_size - nbytes), | |
552 | -1, 1); | |
4c12d738 KH |
553 | buf = encode_terminal_src + nbytes; |
554 | } | |
555 | ||
75a10786 | 556 | if (src->u.cmp.automatic) |
4be9765d | 557 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
558 | { |
559 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
560 | int c = LGLYPH_CHAR (g); | |
561 | ||
562 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 563 | c = '?'; |
75a10786 KH |
564 | buf += CHAR_STRING (c, buf); |
565 | nchars++; | |
566 | } | |
567 | else | |
568 | for (i = 0; i < cmp->glyph_len; i++) | |
569 | { | |
570 | int c = COMPOSITION_GLYPH (cmp, i); | |
571 | ||
bd01620e EZ |
572 | /* TAB in a composition means display glyphs with |
573 | padding space on the left or right. */ | |
d0984aff KH |
574 | if (c == '\t') |
575 | continue; | |
576 | if (char_charset (c, charset_list, NULL)) | |
577 | { | |
578 | if (CHAR_WIDTH (c) == 0 | |
579 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
580 | /* Should be left-padded */ | |
581 | { | |
582 | buf += CHAR_STRING (' ', buf); | |
583 | nchars++; | |
584 | } | |
585 | } | |
586 | else | |
587 | c = '?'; | |
75a10786 KH |
588 | buf += CHAR_STRING (c, buf); |
589 | nchars++; | |
590 | } | |
4c12d738 | 591 | } |
a4decb7f | 592 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 593 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 594 | { |
f4d953fc | 595 | GLYPH g; |
c2ed9c8b | 596 | int c IF_LINT (= 0); |
288d5132 KH |
597 | Lisp_Object string; |
598 | ||
4ae0a2c0 | 599 | string = Qnil; |
f4d953fc | 600 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 601 | |
f4d953fc | 602 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 603 | { |
f185a758 | 604 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
605 | c = src->u.ch; |
606 | } | |
32de38e4 | 607 | else |
a4decb7f | 608 | { |
32de38e4 | 609 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
610 | so process any alias before testing for simpleness. */ |
611 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
612 | |
613 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
614 | /* We set the multi-byte form of a character in G |
615 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 616 | c = GLYPH_CHAR (g); |
32de38e4 | 617 | else |
4ae0a2c0 | 618 | /* We have a string in Vglyph_table. */ |
f4d953fc | 619 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 620 | } |
177c0ea7 | 621 | |
4ae0a2c0 | 622 | if (NILP (string)) |
c42869c4 | 623 | { |
4c12d738 | 624 | nbytes = buf - encode_terminal_src; |
fee31f82 | 625 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 626 | { |
0065d054 PE |
627 | encode_terminal_src = |
628 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
629 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
630 | buf = encode_terminal_src + nbytes; |
631 | } | |
d419e1d9 KH |
632 | if (CHAR_BYTE8_P (c) |
633 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 634 | { |
288d5132 KH |
635 | /* Store the multibyte form of C at BUF. */ |
636 | buf += CHAR_STRING (c, buf); | |
637 | nchars++; | |
c5a518df KH |
638 | } |
639 | else | |
640 | { | |
288d5132 KH |
641 | /* C is not encodable. */ |
642 | *buf++ = '?'; | |
c5a518df | 643 | nchars++; |
288d5132 KH |
644 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
645 | { | |
646 | *buf++ = '?'; | |
647 | nchars++; | |
648 | src++; | |
649 | } | |
c5a518df | 650 | } |
4ae0a2c0 KH |
651 | } |
652 | else | |
653 | { | |
288d5132 KH |
654 | if (! STRING_MULTIBYTE (string)) |
655 | string = string_to_multibyte (string); | |
656 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 657 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 658 | { |
0065d054 PE |
659 | encode_terminal_src = |
660 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
661 | (SBYTES (string) | |
662 | - (encode_terminal_src_size - nbytes)), | |
663 | -1, 1); | |
288d5132 | 664 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 665 | } |
72af86bd | 666 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
667 | buf += SBYTES (string); |
668 | nchars += SCHARS (string); | |
c42869c4 | 669 | } |
a4decb7f | 670 | } |
288d5132 KH |
671 | src++; |
672 | } | |
673 | ||
674 | if (nchars == 0) | |
675 | { | |
676 | coding->produced = 0; | |
677 | return NULL; | |
a4decb7f | 678 | } |
177c0ea7 | 679 | |
288d5132 KH |
680 | nbytes = buf - encode_terminal_src; |
681 | coding->source = encode_terminal_src; | |
682 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 683 | { |
fee31f82 PE |
684 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
685 | encode_terminal_src_size); | |
288d5132 | 686 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 687 | } |
288d5132 KH |
688 | coding->destination = encode_terminal_dst; |
689 | coding->dst_bytes = encode_terminal_dst_size; | |
690 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 691 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
692 | encode_terminal_dst = coding->destination; |
693 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 694 | |
288d5132 | 695 | return (encode_terminal_dst); |
a4decb7f KH |
696 | } |
697 | ||
08a24c47 | 698 | |
c73bd236 | 699 | |
da8e1115 KL |
700 | /* An implementation of write_glyphs for termcap frames. */ |
701 | ||
ed8dad6b | 702 | static void |
385ed61f | 703 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 704 | { |
288d5132 KH |
705 | unsigned char *conversion_buffer; |
706 | struct coding_system *coding; | |
653d4f43 | 707 | int n, stringlen; |
08a24c47 | 708 | |
3224dac1 | 709 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 710 | |
ed8dad6b | 711 | tty_turn_off_insert (tty); |
fca177d4 | 712 | tty_hide_cursor (tty); |
08a24c47 | 713 | |
a168702a | 714 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 715 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 716 | |
6548cf00 KL |
717 | if (AutoWrap (tty) |
718 | && curY (tty) + 1 == FRAME_LINES (f) | |
719 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 720 | len --; |
a4decb7f KH |
721 | if (len <= 0) |
722 | return; | |
08a24c47 | 723 | |
6548cf00 | 724 | cmplus (tty, len); |
177c0ea7 | 725 | |
af645abf KH |
726 | /* If terminal_coding does any conversion, use it, otherwise use |
727 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
728 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
729 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
730 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
731 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
732 | the tail. */ | |
af645abf | 733 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 734 | |
5c5cdd39 | 735 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 736 | { |
a168702a | 737 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 738 | int face_id = string->face_id; |
177c0ea7 | 739 | |
5c5cdd39 | 740 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 741 | if (string[n].face_id != face_id) |
a168702a GM |
742 | break; |
743 | ||
744 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 745 | tty_highlight_if_desired (tty); |
a168702a GM |
746 | turn_on_face (f, face_id); |
747 | ||
5c5cdd39 | 748 | if (n == stringlen) |
288d5132 KH |
749 | /* This is the last run. */ |
750 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
751 | conversion_buffer = encode_terminal_code (string, n, coding); | |
752 | if (coding->produced > 0) | |
08a24c47 | 753 | { |
4d7e6e51 | 754 | block_input (); |
fad2f685 KL |
755 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
756 | if (ferror (tty->output)) | |
757 | clearerr (tty->output); | |
758 | if (tty->termscript) | |
759 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 760 | unblock_input (); |
08a24c47 | 761 | } |
288d5132 | 762 | string += n; |
a168702a GM |
763 | |
764 | /* Turn appearance modes off. */ | |
765 | turn_off_face (f, face_id); | |
ed8dad6b | 766 | tty_turn_off_highlight (tty); |
a4decb7f | 767 | } |
177c0ea7 | 768 | |
6548cf00 | 769 | cmcheckmagic (tty); |
08a24c47 JB |
770 | } |
771 | ||
b870aa61 SM |
772 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
773 | ||
7be1c21a | 774 | static void |
d3da34e0 JB |
775 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
776 | register int len, register int face_id) | |
e882229c | 777 | { |
e882229c NR |
778 | unsigned char *conversion_buffer; |
779 | struct coding_system *coding; | |
780 | ||
7be1c21a MB |
781 | struct tty_display_info *tty = FRAME_TTY (f); |
782 | ||
783 | tty_turn_off_insert (tty); | |
784 | tty_hide_cursor (tty); | |
e882229c NR |
785 | |
786 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
787 | since that would scroll the whole frame on some terminals. */ | |
788 | ||
7be1c21a MB |
789 | if (AutoWrap (tty) |
790 | && curY (tty) + 1 == FRAME_LINES (f) | |
791 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
792 | len --; |
793 | if (len <= 0) | |
794 | return; | |
795 | ||
7be1c21a | 796 | cmplus (tty, len); |
e882229c NR |
797 | |
798 | /* If terminal_coding does any conversion, use it, otherwise use | |
799 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
800 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
801 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
802 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
803 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
804 | the tail. */ | |
805 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
806 | ||
e882229c | 807 | /* Turn appearance modes of the face. */ |
7be1c21a | 808 | tty_highlight_if_desired (tty); |
e882229c NR |
809 | turn_on_face (f, face_id); |
810 | ||
811 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
812 | conversion_buffer = encode_terminal_code (string, len, coding); | |
813 | if (coding->produced > 0) | |
814 | { | |
4d7e6e51 | 815 | block_input (); |
7be1c21a MB |
816 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
817 | if (ferror (tty->output)) | |
818 | clearerr (tty->output); | |
819 | if (tty->termscript) | |
820 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 821 | unblock_input (); |
e882229c NR |
822 | } |
823 | ||
824 | /* Turn appearance modes off. */ | |
825 | turn_off_face (f, face_id); | |
7be1c21a | 826 | tty_turn_off_highlight (tty); |
e882229c | 827 | |
7be1c21a | 828 | cmcheckmagic (tty); |
e882229c | 829 | } |
b870aa61 | 830 | #endif |
e882229c | 831 | |
da8e1115 | 832 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 833 | |
ed8dad6b | 834 | static void |
385ed61f | 835 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
836 | { |
837 | char *buf; | |
6bbd7a29 | 838 | struct glyph *glyph = NULL; |
af645abf KH |
839 | unsigned char *conversion_buffer; |
840 | unsigned char space[1]; | |
841 | struct coding_system *coding; | |
08a24c47 | 842 | |
3224dac1 | 843 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 844 | |
fca177d4 | 845 | if (tty->TS_ins_multi_chars) |
08a24c47 | 846 | { |
50938595 | 847 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 848 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 849 | xfree (buf); |
08a24c47 | 850 | if (start) |
385ed61f | 851 | write_glyphs (f, start, len); |
08a24c47 JB |
852 | return; |
853 | } | |
854 | ||
ed8dad6b | 855 | tty_turn_on_insert (tty); |
6548cf00 | 856 | cmplus (tty, len); |
288d5132 KH |
857 | |
858 | if (! start) | |
859 | space[0] = SPACEGLYPH; | |
860 | ||
861 | /* If terminal_coding does any conversion, use it, otherwise use | |
862 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
863 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
864 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
865 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
866 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
867 | the tail. */ | |
868 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
869 | ||
07109bf9 | 870 | while (len-- > 0) |
08a24c47 | 871 | { |
fca177d4 | 872 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 873 | if (!start) |
32de38e4 | 874 | { |
288d5132 KH |
875 | conversion_buffer = space; |
876 | coding->produced = 1; | |
32de38e4 | 877 | } |
08a24c47 | 878 | else |
08a24c47 | 879 | { |
ed8dad6b | 880 | tty_highlight_if_desired (tty); |
32de38e4 | 881 | turn_on_face (f, start->face_id); |
816be8b8 | 882 | glyph = start; |
a168702a | 883 | ++start; |
a4decb7f KH |
884 | /* We must open sufficient space for a character which |
885 | occupies more than one column. */ | |
a168702a | 886 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 887 | { |
fca177d4 | 888 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
889 | start++, len--; |
890 | } | |
288d5132 KH |
891 | |
892 | if (len <= 0) | |
893 | /* This is the last glyph. */ | |
894 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
895 | ||
fad2f685 | 896 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 897 | } |
a4decb7f | 898 | |
288d5132 | 899 | if (coding->produced > 0) |
08a24c47 | 900 | { |
4d7e6e51 | 901 | block_input (); |
fad2f685 | 902 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
903 | if (ferror (tty->output)) |
904 | clearerr (tty->output); | |
905 | if (tty->termscript) | |
fad2f685 | 906 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
4d7e6e51 | 907 | unblock_input (); |
08a24c47 JB |
908 | } |
909 | ||
fca177d4 | 910 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 911 | if (start) |
65aa5e85 GM |
912 | { |
913 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 914 | tty_turn_off_highlight (tty); |
65aa5e85 | 915 | } |
9a6b6f92 | 916 | } |
177c0ea7 | 917 | |
6548cf00 | 918 | cmcheckmagic (tty); |
08a24c47 JB |
919 | } |
920 | ||
da8e1115 KL |
921 | /* An implementation of delete_glyphs for termcap frames. */ |
922 | ||
ed8dad6b | 923 | static void |
385ed61f | 924 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
925 | { |
926 | char *buf; | |
927 | register int i; | |
928 | ||
3224dac1 | 929 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 930 | |
fca177d4 | 931 | if (tty->delete_in_insert_mode) |
08a24c47 | 932 | { |
ed8dad6b | 933 | tty_turn_on_insert (tty); |
08a24c47 JB |
934 | } |
935 | else | |
936 | { | |
ed8dad6b | 937 | tty_turn_off_insert (tty); |
fca177d4 | 938 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
939 | } |
940 | ||
fca177d4 | 941 | if (tty->TS_del_multi_chars) |
08a24c47 | 942 | { |
50938595 | 943 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 944 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 945 | xfree (buf); |
08a24c47 JB |
946 | } |
947 | else | |
948 | for (i = 0; i < n; i++) | |
fca177d4 KL |
949 | OUTPUT1 (tty, tty->TS_del_char); |
950 | if (!tty->delete_in_insert_mode) | |
951 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
952 | } |
953 | \f | |
da8e1115 | 954 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 955 | |
ed8dad6b | 956 | static void |
385ed61f | 957 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 958 | { |
3224dac1 | 959 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
960 | const char *multi = |
961 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
962 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
963 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 | 964 | |
71376d4b PE |
965 | int i = eabs (n); |
966 | char *buf; | |
08a24c47 | 967 | |
08a24c47 JB |
968 | /* If the lines below the insertion are being pushed |
969 | into the end of the window, this is the same as clearing; | |
970 | and we know the lines are already clear, since the matching | |
971 | deletion has already been done. So can ignore this. */ | |
972 | /* If the lines below the deletion are blank lines coming | |
973 | out of the end of the window, don't bother, | |
974 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
975 | if (FRAME_SCROLL_REGION_OK (f) |
976 | && vpos + i >= tty->specified_window) | |
08a24c47 | 977 | return; |
3224dac1 KL |
978 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
979 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 980 | return; |
f4d953fc | 981 | |
08a24c47 JB |
982 | if (multi) |
983 | { | |
6839f1e2 | 984 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 985 | tty_background_highlight (tty); |
50938595 | 986 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 987 | OUTPUT (tty, buf); |
9ac0d9e0 | 988 | xfree (buf); |
08a24c47 JB |
989 | } |
990 | else if (single) | |
991 | { | |
6839f1e2 | 992 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 993 | tty_background_highlight (tty); |
08a24c47 | 994 | while (--i >= 0) |
3224dac1 KL |
995 | OUTPUT (tty, single); |
996 | if (tty->TF_teleray) | |
997 | curX (tty) = 0; | |
08a24c47 JB |
998 | } |
999 | else | |
1000 | { | |
ed8dad6b | 1001 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1002 | if (n < 0) |
6839f1e2 | 1003 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1004 | else |
6839f1e2 | 1005 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1006 | tty_background_highlight (tty); |
08a24c47 | 1007 | while (--i >= 0) |
3224dac1 | 1008 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1009 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1010 | } |
f4d953fc | 1011 | |
3224dac1 KL |
1012 | if (!FRAME_SCROLL_REGION_OK (f) |
1013 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1014 | && n < 0) | |
08a24c47 | 1015 | { |
385ed61f KL |
1016 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1017 | clear_to_end (f); | |
08a24c47 JB |
1018 | } |
1019 | } | |
1020 | \f | |
1021 | /* Compute cost of sending "str", in characters, | |
1022 | not counting any line-dependent padding. */ | |
1023 | ||
1024 | int | |
8ea90aa3 | 1025 | string_cost (const char *str) |
08a24c47 JB |
1026 | { |
1027 | cost = 0; | |
1028 | if (str) | |
1029 | tputs (str, 0, evalcost); | |
1030 | return cost; | |
1031 | } | |
1032 | ||
1033 | /* Compute cost of sending "str", in characters, | |
1034 | counting any line-dependent padding at one line. */ | |
1035 | ||
1036 | static int | |
8ea90aa3 | 1037 | string_cost_one_line (const char *str) |
08a24c47 JB |
1038 | { |
1039 | cost = 0; | |
1040 | if (str) | |
1041 | tputs (str, 1, evalcost); | |
1042 | return cost; | |
1043 | } | |
1044 | ||
1045 | /* Compute per line amount of line-dependent padding, | |
1046 | in tenths of characters. */ | |
1047 | ||
1048 | int | |
8ea90aa3 | 1049 | per_line_cost (const char *str) |
08a24c47 JB |
1050 | { |
1051 | cost = 0; | |
1052 | if (str) | |
1053 | tputs (str, 0, evalcost); | |
1054 | cost = - cost; | |
1055 | if (str) | |
1056 | tputs (str, 10, evalcost); | |
1057 | return cost; | |
1058 | } | |
1059 | ||
08a24c47 | 1060 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1061 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1062 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1063 | |
1064 | int *char_ins_del_vector; | |
1065 | ||
9882535b | 1066 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1067 | |
1068 | /* ARGSUSED */ | |
1069 | static void | |
6839f1e2 | 1070 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1071 | { |
28d7d09f | 1072 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1073 | int ins_startup_cost, del_startup_cost; |
1074 | int ins_cost_per_char, del_cost_per_char; | |
1075 | register int i; | |
1076 | register int *p; | |
1077 | ||
fca177d4 | 1078 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1079 | { |
1080 | ins_cost_per_char = 0; | |
fca177d4 | 1081 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1082 | } |
fca177d4 KL |
1083 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1084 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1085 | { |
fca177d4 KL |
1086 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1087 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1088 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1089 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1090 | } |
1091 | else | |
1092 | { | |
1093 | ins_startup_cost = 9999; | |
1094 | ins_cost_per_char = 0; | |
1095 | } | |
1096 | ||
fca177d4 | 1097 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1098 | { |
1099 | del_cost_per_char = 0; | |
fca177d4 | 1100 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1101 | } |
fca177d4 | 1102 | else if (tty->TS_del_char) |
08a24c47 | 1103 | { |
fca177d4 KL |
1104 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1105 | + string_cost (tty->TS_end_delete_mode)); | |
1106 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1107 | del_startup_cost /= 2; |
fca177d4 | 1108 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1109 | } |
1110 | else | |
1111 | { | |
1112 | del_startup_cost = 9999; | |
1113 | del_cost_per_char = 0; | |
1114 | } | |
1115 | ||
1116 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1117 | p = &char_ins_del_cost (f)[0]; |
1118 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1119 | *--p = (del_startup_cost += del_cost_per_char); |
1120 | ||
1121 | /* Doing nothing is free */ | |
fca177d4 | 1122 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1123 | *p++ = 0; |
1124 | ||
1125 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1126 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1127 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1128 | } | |
1129 | ||
dfcf069d | 1130 | void |
6839f1e2 | 1131 | calculate_costs (struct frame *frame) |
08a24c47 | 1132 | { |
9f732a77 | 1133 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1134 | |
28d440ab | 1135 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1136 | { |
1137 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1138 | register const char *f = (tty->TS_set_scroll_region |
1139 | ? tty->TS_set_scroll_region | |
1140 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1141 | |
daf01701 | 1142 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1143 | |
daf01701 | 1144 | tty->costs_set = 1; |
08a24c47 | 1145 | |
daf01701 KL |
1146 | /* These variables are only used for terminal stuff. They are |
1147 | allocated once for the terminal frame of X-windows emacs, but not | |
1148 | used afterwards. | |
8dd0c7cb | 1149 | |
daf01701 KL |
1150 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1151 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1152 | |
daf01701 | 1153 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1154 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1155 | < max_frame_cols) | |
fee31f82 | 1156 | memory_full (SIZE_MAX); |
08a24c47 | 1157 | |
0065d054 PE |
1158 | char_ins_del_vector = |
1159 | xrealloc (char_ins_del_vector, | |
1160 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1161 | |
72af86bd | 1162 | memset (char_ins_del_vector, 0, |
0065d054 | 1163 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1164 | |
daf01701 KL |
1165 | |
1166 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1167 | do_line_insertion_deletion_costs (frame, | |
1168 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1169 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1170 | f, f, 1); | |
1171 | else | |
1172 | do_line_insertion_deletion_costs (frame, | |
1173 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1174 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1175 | 0, 0, 1); | |
1176 | ||
1177 | calculate_ins_del_char_costs (frame); | |
1178 | ||
1179 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1180 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1181 | tty->RPov = string_cost (tty->TS_repeat); | |
1182 | else | |
1183 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1184 | |
daf01701 KL |
1185 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1186 | } | |
08a24c47 JB |
1187 | } |
1188 | \f | |
a796ac82 | 1189 | struct fkey_table { |
fbceeba2 | 1190 | const char *cap, *name; |
a796ac82 JB |
1191 | }; |
1192 | ||
01d8deb0 ER |
1193 | /* Termcap capability names that correspond directly to X keysyms. |
1194 | Some of these (marked "terminfo") aren't supplied by old-style | |
1195 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1196 | except we put the keypad keys first, so that if they clash with | |
1197 | other keys (as on the IBM PC keyboard) they get overridden. | |
1198 | */ | |
1199 | ||
648801d1 | 1200 | static const struct fkey_table keys[] = |
a168702a | 1201 | { |
8103ad1a PJ |
1202 | {"kh", "home"}, /* termcap */ |
1203 | {"kl", "left"}, /* termcap */ | |
1204 | {"ku", "up"}, /* termcap */ | |
1205 | {"kr", "right"}, /* termcap */ | |
1206 | {"kd", "down"}, /* termcap */ | |
1207 | {"%8", "prior"}, /* terminfo */ | |
1208 | {"%5", "next"}, /* terminfo */ | |
1209 | {"@7", "end"}, /* terminfo */ | |
1210 | {"@1", "begin"}, /* terminfo */ | |
1211 | {"*6", "select"}, /* terminfo */ | |
1212 | {"%9", "print"}, /* terminfo */ | |
1213 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1214 | /* |
1215 | * "insert" --- see below | |
1216 | */ | |
8103ad1a PJ |
1217 | {"&8", "undo"}, /* terminfo */ |
1218 | {"%0", "redo"}, /* terminfo */ | |
1219 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1220 | {"@0", "find"}, /* terminfo */ | |
1221 | {"@2", "cancel"}, /* terminfo */ | |
1222 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1223 | /* |
1224 | * "break" goes here, but can't be reliably intercepted with termcap | |
1225 | */ | |
8103ad1a | 1226 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1227 | /* |
1228 | * "system" and "user" --- no termcaps | |
1229 | */ | |
8103ad1a PJ |
1230 | {"kE", "clearline"}, /* terminfo */ |
1231 | {"kA", "insertline"}, /* terminfo */ | |
1232 | {"kL", "deleteline"}, /* terminfo */ | |
1233 | {"kI", "insertchar"}, /* terminfo */ | |
1234 | {"kD", "deletechar"}, /* terminfo */ | |
1235 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1236 | /* |
1237 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1238 | */ | |
8103ad1a | 1239 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1240 | /* |
1241 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1242 | * "kp-multiply", "kp-add", "kp-separator", | |
1243 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1244 | * --- no termcaps for any of these. | |
1245 | */ | |
8103ad1a | 1246 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1247 | /* |
1248 | * "kp-2" --- no termcap | |
1249 | */ | |
8103ad1a | 1250 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1251 | /* |
1252 | * "kp-4" --- no termcap | |
1253 | */ | |
8103ad1a | 1254 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1255 | /* |
1256 | * "kp-6" --- no termcap | |
1257 | */ | |
8103ad1a | 1258 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1259 | /* |
1260 | * "kp-8" --- no termcap | |
1261 | */ | |
8103ad1a | 1262 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1263 | /* |
1264 | * "kp-equal" --- no termcap | |
1265 | */ | |
8103ad1a PJ |
1266 | {"k1", "f1"}, |
1267 | {"k2", "f2"}, | |
1268 | {"k3", "f3"}, | |
1269 | {"k4", "f4"}, | |
1270 | {"k5", "f5"}, | |
1271 | {"k6", "f6"}, | |
1272 | {"k7", "f7"}, | |
1273 | {"k8", "f8"}, | |
60ec7b7e DN |
1274 | {"k9", "f9"}, |
1275 | ||
1276 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1277 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1278 | {"*0", "S-find"}, /*shifted find key*/ | |
1279 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1280 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1281 | {"*7", "S-end"}, /*shifted end key*/ | |
1282 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1283 | {"#1", "S-help"}, /*shifted help key*/ | |
1284 | {"#2", "S-home"}, /*shifted home key*/ | |
1285 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1286 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1287 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1288 | {"%c", "S-next"}, /*shifted next key*/ | |
1289 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1290 | {"%f", "S-print"}, /*shifted print key*/ | |
1291 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1292 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1293 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1294 | }; |
1295 | ||
361358ea | 1296 | #ifndef DOS_NT |
e7cf0fa0 KL |
1297 | static char **term_get_fkeys_address; |
1298 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1299 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1300 | |
4f4a84ec | 1301 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1302 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1303 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1304 | |
ed8dad6b | 1305 | static void |
d3da34e0 | 1306 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1307 | { |
1308 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1309 | errors during the call. The only errors should be from Fdefine_key | |
1310 | when given a key sequence containing an invalid prefix key. If the | |
1311 | termcap defines function keys which use a prefix that is already bound | |
1312 | to a command by the default bindings, we should silently ignore that | |
1313 | function key specification, rather than giving the user an error and | |
1314 | refusing to run at all on such a terminal. */ | |
1315 | ||
e7cf0fa0 KL |
1316 | term_get_fkeys_address = address; |
1317 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1318 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1319 | } | |
1320 | ||
1321 | static Lisp_Object | |
d3da34e0 | 1322 | term_get_fkeys_1 (void) |
5c2c7893 | 1323 | { |
5c2c7893 JB |
1324 | int i; |
1325 | ||
e7cf0fa0 KL |
1326 | char **address = term_get_fkeys_address; |
1327 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1328 | |
3e65092f | 1329 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1330 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1331 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1332 | |
cbae07d5 | 1333 | for (i = 0; i < (sizeof (keys) / sizeof (keys[0])); i++) |
5c2c7893 JB |
1334 | { |
1335 | char *sequence = tgetstr (keys[i].cap, address); | |
1336 | if (sequence) | |
1344aad4 | 1337 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1338 | Fmake_vector (make_number (1), |
1339 | intern (keys[i].name))); | |
5c2c7893 | 1340 | } |
a796ac82 JB |
1341 | |
1342 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1343 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1344 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1345 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1346 | */ | |
1347 | { | |
fbceeba2 PE |
1348 | const char *k_semi = tgetstr ("k;", address); |
1349 | const char *k0 = tgetstr ("k0", address); | |
1350 | const char *k0_name = "f10"; | |
a796ac82 JB |
1351 | |
1352 | if (k_semi) | |
1353 | { | |
95c11956 SM |
1354 | if (k0) |
1355 | /* Define f0 first, so that f10 takes precedence in case the | |
1356 | key sequences happens to be the same. */ | |
1344aad4 | 1357 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1358 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1359 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1360 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1361 | } |
95c11956 | 1362 | else if (k0) |
1344aad4 | 1363 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1364 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1365 | } |
01d8deb0 ER |
1366 | |
1367 | /* Set up cookies for numbered function keys above f10. */ | |
1368 | { | |
1369 | char fcap[3], fkey[4]; | |
1370 | ||
fc4f24da | 1371 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1372 | for (i = 11; i < 64; i++) |
1373 | { | |
1374 | if (i <= 19) | |
1375 | fcap[1] = '1' + i - 11; | |
1376 | else if (i <= 45) | |
b59ab95c | 1377 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1378 | else |
b59ab95c | 1379 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1380 | |
fc4f24da RS |
1381 | { |
1382 | char *sequence = tgetstr (fcap, address); | |
1383 | if (sequence) | |
1384 | { | |
465db27b | 1385 | sprintf (fkey, "f%d", i); |
1344aad4 | 1386 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1387 | Fmake_vector (make_number (1), |
1388 | intern (fkey))); | |
fc4f24da RS |
1389 | } |
1390 | } | |
01d8deb0 ER |
1391 | } |
1392 | } | |
1393 | ||
1394 | /* | |
1395 | * Various mappings to try and get a better fit. | |
1396 | */ | |
1397 | { | |
fc4f24da RS |
1398 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1399 | if (!tgetstr (cap1, address)) \ | |
1400 | { \ | |
1401 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1402 | if (sequence) \ |
1344aad4 | 1403 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1404 | Fmake_vector (make_number (1), \ |
1405 | intern (sym))); \ | |
fc4f24da | 1406 | } |
177c0ea7 | 1407 | |
01d8deb0 | 1408 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1409 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1410 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1411 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1412 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1413 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1414 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1415 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1416 | |
1417 | /* IBM has their own non-standard dialect of terminfo. | |
1418 | If the standard name isn't found, try the IBM name. */ | |
1419 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1420 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1421 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1422 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1423 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1424 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1425 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1426 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1427 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1428 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1429 | } |
a168702a GM |
1430 | |
1431 | return Qnil; | |
5c2c7893 | 1432 | } |
361358ea | 1433 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1434 | |
1435 | \f | |
a168702a GM |
1436 | /*********************************************************************** |
1437 | Character Display Information | |
1438 | ***********************************************************************/ | |
f57e2426 | 1439 | static void append_glyph (struct it *); |
f57e2426 J |
1440 | static void append_composite_glyph (struct it *); |
1441 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1442 | static void append_glyphless_glyph (struct it *, int, const char *); |
653d4f43 | 1443 | static void produce_glyphless_glyph (struct it *, Lisp_Object); |
a168702a GM |
1444 | |
1445 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1446 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1447 | the character for which to produce glyphs; IT->face_id contains the | |
1448 | character's face. Padding glyphs are appended if IT->c has a | |
1449 | IT->pixel_width > 1. */ | |
177c0ea7 | 1450 | |
a168702a | 1451 | static void |
d3da34e0 | 1452 | append_glyph (struct it *it) |
a168702a GM |
1453 | { |
1454 | struct glyph *glyph, *end; | |
1455 | int i; | |
1456 | ||
a54e2c05 | 1457 | eassert (it->glyph_row); |
a168702a GM |
1458 | glyph = (it->glyph_row->glyphs[it->area] |
1459 | + it->glyph_row->used[it->area]); | |
1460 | end = it->glyph_row->glyphs[1 + it->area]; | |
1461 | ||
5e65aec0 EZ |
1462 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1463 | than append it. */ | |
1464 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1465 | { | |
1466 | struct glyph *g; | |
1467 | int move_by = it->pixel_width; | |
1468 | ||
1469 | /* Make room for the new glyphs. */ | |
1470 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1471 | move_by = end - glyph; | |
1472 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1473 | g[move_by] = *g; | |
1474 | glyph = it->glyph_row->glyphs[it->area]; | |
1475 | end = glyph + move_by; | |
1476 | } | |
1477 | ||
1478 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1479 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1480 | identical, and (b) the PADDING_P flag needs to be set for the | |
1481 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1482 | for (i = 0; |
1483 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1484 | ++i) |
1485 | { | |
1486 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1487 | glyph->pixel_width = 1; |
d2b4c17d | 1488 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1489 | glyph->face_id = it->face_id; |
1490 | glyph->padding_p = i > 0; | |
a168702a GM |
1491 | glyph->charpos = CHARPOS (it->position); |
1492 | glyph->object = it->object; | |
5e65aec0 EZ |
1493 | if (it->bidi_p) |
1494 | { | |
1495 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1496 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1497 | emacs_abort (); |
5e65aec0 EZ |
1498 | glyph->bidi_type = it->bidi_it.type; |
1499 | } | |
9443b3c7 EZ |
1500 | else |
1501 | { | |
1502 | glyph->resolved_level = 0; | |
1503 | glyph->bidi_type = UNKNOWN_BT; | |
1504 | } | |
177c0ea7 | 1505 | |
a168702a GM |
1506 | ++it->glyph_row->used[it->area]; |
1507 | ++glyph; | |
1508 | } | |
1509 | } | |
1510 | ||
148ae00e EZ |
1511 | /* For external use. */ |
1512 | void | |
1513 | tty_append_glyph (struct it *it) | |
1514 | { | |
1515 | append_glyph (it); | |
1516 | } | |
1517 | ||
1518 | ||
b50fe468 RS |
1519 | /* Produce glyphs for the display element described by IT. *IT |
1520 | specifies what we want to produce a glyph for (character, image, ...), | |
1521 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1522 | produce_glyphs fills in output fields of *IT with information such as the | |
1523 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1524 | the same time if IT->glyph_row is non-null. For an overview, see |
1525 | the explanation in dispextern.h, before the definition of the | |
1526 | display_element_type enumeration. | |
b50fe468 RS |
1527 | |
1528 | produce_glyphs also stores the result of glyph width, ascent | |
1529 | etc. computations in *IT. | |
1530 | ||
1531 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1532 | actually fill in the glyphs. This is used in the move_* functions | |
1533 | in xdisp.c for text width and height computations. | |
1534 | ||
1535 | Callers usually don't call produce_glyphs directly; | |
1536 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1537 | |
177c0ea7 | 1538 | void |
d3da34e0 | 1539 | produce_glyphs (struct it *it) |
a168702a GM |
1540 | { |
1541 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1542 | |
1543 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1544 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1545 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1546 | || it->what == IT_STRETCH |
1547 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1548 | |
6b61353c KH |
1549 | if (it->what == IT_STRETCH) |
1550 | { | |
1551 | produce_stretch_glyph (it); | |
1552 | goto done; | |
1553 | } | |
1554 | ||
4c12d738 KH |
1555 | if (it->what == IT_COMPOSITION) |
1556 | { | |
1557 | produce_composite_glyph (it); | |
1558 | goto done; | |
1559 | } | |
a168702a | 1560 | |
b18fad6d KH |
1561 | if (it->what == IT_GLYPHLESS) |
1562 | { | |
653d4f43 | 1563 | produce_glyphless_glyph (it, Qnil); |
b18fad6d KH |
1564 | goto done; |
1565 | } | |
1566 | ||
d419e1d9 | 1567 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1568 | { |
1569 | it->pixel_width = it->nglyphs = 1; | |
1570 | if (it->glyph_row) | |
1571 | append_glyph (it); | |
1572 | } | |
d419e1d9 | 1573 | else if (it->char_to_display == '\n') |
a168702a | 1574 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1575 | else if (it->char_to_display == '\t') |
a168702a | 1576 | { |
2efdbcdd | 1577 | int absolute_x = (it->current_x |
a168702a | 1578 | + it->continuation_lines_width); |
177c0ea7 JB |
1579 | int next_tab_x |
1580 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1581 | / it->tab_width) |
1582 | * it->tab_width); | |
1583 | int nspaces; | |
1584 | ||
1585 | /* If part of the TAB has been displayed on the previous line | |
1586 | which is continued now, continuation_lines_width will have | |
1587 | been incremented already by the part that fitted on the | |
1588 | continued line. So, we will get the right number of spaces | |
1589 | here. */ | |
1590 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1591 | |
a168702a GM |
1592 | if (it->glyph_row) |
1593 | { | |
1594 | int n = nspaces; | |
177c0ea7 | 1595 | |
d2b4c17d | 1596 | it->char_to_display = ' '; |
a168702a | 1597 | it->pixel_width = it->len = 1; |
177c0ea7 | 1598 | |
a168702a GM |
1599 | while (n--) |
1600 | append_glyph (it); | |
a168702a GM |
1601 | } |
1602 | ||
1603 | it->pixel_width = nspaces; | |
1604 | it->nglyphs = nspaces; | |
1605 | } | |
d419e1d9 | 1606 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1607 | { |
d419e1d9 KH |
1608 | /* Coming here means that we must send the raw 8-bit byte as is |
1609 | to the terminal. Although there's no way to know how many | |
1610 | columns it occupies on a screen, it is a good assumption that | |
1611 | a single byte code has 1-column width. */ | |
1612 | it->pixel_width = it->nglyphs = 1; | |
1613 | if (it->glyph_row) | |
1614 | append_glyph (it); | |
add44890 | 1615 | } |
a168702a GM |
1616 | else |
1617 | { | |
b18fad6d | 1618 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1619 | |
b18fad6d KH |
1620 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1621 | { | |
1622 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1623 | it->nglyphs = it->pixel_width; | |
1624 | if (it->glyph_row) | |
1625 | append_glyph (it); | |
1626 | } | |
1627 | else | |
1628 | { | |
1629 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1630 | ||
a54e2c05 | 1631 | eassert (it->what == IT_GLYPHLESS); |
653d4f43 | 1632 | produce_glyphless_glyph (it, acronym); |
b18fad6d | 1633 | } |
a168702a GM |
1634 | } |
1635 | ||
6b61353c | 1636 | done: |
177c0ea7 | 1637 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1638 | the caller. */ |
1639 | if (it->area == TEXT_AREA) | |
1640 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1641 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1642 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1643 | } |
1644 | ||
4c12d738 KH |
1645 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1646 | Called from produce_composite_glyph for terminal frames if | |
1647 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1648 | face. */ | |
1649 | ||
1650 | static void | |
d3da34e0 | 1651 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1652 | { |
1653 | struct glyph *glyph; | |
1654 | ||
a54e2c05 | 1655 | eassert (it->glyph_row); |
4c12d738 KH |
1656 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1657 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1658 | { | |
93d68d0c EZ |
1659 | /* If the glyph row is reversed, we need to prepend the glyph |
1660 | rather than append it. */ | |
1661 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1662 | { | |
1663 | struct glyph *g; | |
1664 | ||
1665 | /* Make room for the new glyph. */ | |
1666 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1667 | g[1] = *g; | |
1668 | glyph = it->glyph_row->glyphs[it->area]; | |
1669 | } | |
4c12d738 KH |
1670 | glyph->type = COMPOSITE_GLYPH; |
1671 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1672 | glyph->u.cmp.id = it->cmp_it.id; |
1673 | if (it->cmp_it.ch < 0) | |
1674 | { | |
1675 | glyph->u.cmp.automatic = 0; | |
1676 | glyph->u.cmp.id = it->cmp_it.id; | |
1677 | } | |
1678 | else | |
1679 | { | |
1680 | glyph->u.cmp.automatic = 1; | |
1681 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1682 | glyph->slice.cmp.from = it->cmp_it.from; |
1683 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1684 | } |
1685 | ||
4c12d738 KH |
1686 | glyph->face_id = it->face_id; |
1687 | glyph->padding_p = 0; | |
1688 | glyph->charpos = CHARPOS (it->position); | |
1689 | glyph->object = it->object; | |
93d68d0c EZ |
1690 | if (it->bidi_p) |
1691 | { | |
1692 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1693 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1694 | emacs_abort (); |
93d68d0c EZ |
1695 | glyph->bidi_type = it->bidi_it.type; |
1696 | } | |
1697 | else | |
1698 | { | |
1699 | glyph->resolved_level = 0; | |
1700 | glyph->bidi_type = UNKNOWN_BT; | |
1701 | } | |
4c12d738 KH |
1702 | |
1703 | ++it->glyph_row->used[it->area]; | |
1704 | ++glyph; | |
1705 | } | |
1706 | } | |
1707 | ||
1708 | ||
1709 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1710 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1711 | assuming that the terminal has a capability to layout/render it |
1712 | correctly. */ | |
4c12d738 KH |
1713 | |
1714 | static void | |
d3da34e0 | 1715 | produce_composite_glyph (struct it *it) |
4c12d738 | 1716 | { |
75a10786 KH |
1717 | if (it->cmp_it.ch < 0) |
1718 | { | |
1719 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1720 | ||
d0984aff | 1721 | it->pixel_width = cmp->width; |
75a10786 KH |
1722 | } |
1723 | else | |
1724 | { | |
1725 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1726 | |
75a10786 KH |
1727 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1728 | it->cmp_it.to, NULL); | |
1729 | } | |
1730 | it->nglyphs = 1; | |
4c12d738 KH |
1731 | if (it->glyph_row) |
1732 | append_composite_glyph (it); | |
1733 | } | |
1734 | ||
1735 | ||
b18fad6d | 1736 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1737 | is a face ID to be used for the glyph. What is actually appended |
1738 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1739 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1740 | |
1741 | static void | |
fbceeba2 | 1742 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1743 | { |
1744 | struct glyph *glyph, *end; | |
b18fad6d KH |
1745 | int i; |
1746 | ||
a54e2c05 | 1747 | eassert (it->glyph_row); |
b18fad6d KH |
1748 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1749 | end = it->glyph_row->glyphs[1 + it->area]; | |
1750 | ||
1751 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1752 | than append it. */ | |
1753 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1754 | { | |
1755 | struct glyph *g; | |
1756 | int move_by = it->pixel_width; | |
1757 | ||
1758 | /* Make room for the new glyphs. */ | |
1759 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1760 | move_by = end - glyph; | |
1761 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1762 | g[move_by] = *g; | |
1763 | glyph = it->glyph_row->glyphs[it->area]; | |
1764 | end = glyph + move_by; | |
1765 | } | |
1766 | ||
1767 | if (glyph >= end) | |
1768 | return; | |
1769 | glyph->type = CHAR_GLYPH; | |
1770 | glyph->pixel_width = 1; | |
1771 | glyph->face_id = face_id; | |
1772 | glyph->padding_p = 0; | |
1773 | glyph->charpos = CHARPOS (it->position); | |
1774 | glyph->object = it->object; | |
1775 | if (it->bidi_p) | |
1776 | { | |
1777 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1778 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1779 | emacs_abort (); |
b18fad6d KH |
1780 | glyph->bidi_type = it->bidi_it.type; |
1781 | } | |
1782 | else | |
1783 | { | |
1784 | glyph->resolved_level = 0; | |
1785 | glyph->bidi_type = UNKNOWN_BT; | |
1786 | } | |
1787 | ||
1788 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1789 | the REVERSED_P case because we write to the terminal | |
1790 | left-to-right. */ | |
1791 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1792 | { | |
1793 | if (i > 0) | |
1794 | glyph[0] = glyph[-1]; | |
1795 | glyph->u.ch = str[i]; | |
1796 | ++it->glyph_row->used[it->area]; | |
1797 | ++glyph; | |
1798 | } | |
1799 | } | |
1800 | ||
b18fad6d KH |
1801 | /* Produce glyphs for a glyphless character for iterator IT. |
1802 | IT->glyphless_method specifies which method to use for displaying | |
1803 | the character. See the description of enum | |
0eb025fb | 1804 | glyphless_display_method in dispextern.h for the details. |
b18fad6d | 1805 | |
653d4f43 | 1806 | ACRONYM, if non-nil, is an acronym string for the character. |
b18fad6d KH |
1807 | |
1808 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1809 | ||
1810 | static void | |
653d4f43 | 1811 | produce_glyphless_glyph (struct it *it, Lisp_Object acronym) |
b18fad6d KH |
1812 | { |
1813 | int face_id; | |
0eb025fb | 1814 | int len; |
80f2e268 | 1815 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1816 | char const *str = " "; |
b18fad6d KH |
1817 | |
1818 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1819 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1820 | if (it->f == last_glyphless_glyph_frame |
1821 | && it->face_id == last_glyphless_glyph_face_id) | |
1822 | { | |
1823 | face_id = last_glyphless_glyph_merged_face_id; | |
1824 | } | |
1825 | else | |
1826 | { | |
1827 | /* Merge the `glyphless-char' face into the current face. */ | |
1828 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1829 | last_glyphless_glyph_frame = it->f; | |
1830 | last_glyphless_glyph_face_id = it->face_id; | |
1831 | last_glyphless_glyph_merged_face_id = face_id; | |
1832 | } | |
1833 | ||
1834 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1835 | { | |
0eb025fb EZ |
1836 | /* As there's no way to produce a thin space, we produce a space |
1837 | of canonical width. */ | |
b18fad6d KH |
1838 | len = 1; |
1839 | } | |
1840 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1841 | { | |
1842 | len = CHAR_WIDTH (it->c); | |
1843 | if (len == 0) | |
1844 | len = 1; | |
0eb025fb | 1845 | else if (len > 4) |
b18fad6d | 1846 | len = 4; |
99027bdd | 1847 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1848 | str = buf; |
b18fad6d KH |
1849 | } |
1850 | else | |
1851 | { | |
1852 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1853 | { | |
b18fad6d KH |
1854 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1855 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1856 | if (CONSP (acronym)) |
1857 | acronym = XCDR (acronym); | |
b18fad6d | 1858 | buf[0] = '['; |
51b59d79 | 1859 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1860 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1861 | buf[1 + len] = str[len]; | |
1862 | buf[1 + len] = ']'; | |
1863 | len += 2; | |
1864 | } | |
1865 | else | |
1866 | { | |
a54e2c05 | 1867 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1868 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1869 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1870 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1871 | } |
1872 | str = buf; | |
1873 | } | |
1874 | ||
1875 | it->pixel_width = len; | |
1876 | it->nglyphs = len; | |
d284567f | 1877 | if (it->glyph_row) |
b18fad6d KH |
1878 | append_glyphless_glyph (it, face_id, str); |
1879 | } | |
1880 | ||
a168702a GM |
1881 | \f |
1882 | /*********************************************************************** | |
1883 | Faces | |
1884 | ***********************************************************************/ | |
1885 | ||
4e6ba4a4 GM |
1886 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1887 | one of the enumerators from enum no_color_bit, or a bit set built | |
1888 | from them. Some display attributes may not be used together with | |
1889 | color; the termcap capability `NC' specifies which ones. */ | |
1890 | ||
fca177d4 KL |
1891 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1892 | (tty->TN_max_colors > 0 \ | |
1893 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1894 | : 1) | |
a168702a | 1895 | |
072d84a6 RS |
1896 | /* Turn appearances of face FACE_ID on tty frame F on. |
1897 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1898 | |
1899 | static void | |
d3da34e0 | 1900 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1901 | { |
1902 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1903 | long fg = face->foreground; |
1904 | long bg = face->background; | |
28d7d09f | 1905 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1906 | |
86a7d192 GM |
1907 | /* Do this first because TS_end_standout_mode may be the same |
1908 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1909 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1910 | { |
fca177d4 | 1911 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1912 | { |
1913 | if (fg >= 0 && bg >= 0) | |
1914 | { | |
1915 | /* If the terminal supports colors, we can set them | |
1916 | below without using reverse video. The face's fg | |
1917 | and bg colors are set as they should appear on | |
1918 | the screen, i.e. they take the inverse-video'ness | |
1919 | of the face already into account. */ | |
1920 | } | |
1921 | else if (inverse_video) | |
1922 | { | |
1923 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1924 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1925 | tty_toggle_highlight (tty); |
86a7d192 GM |
1926 | } |
1927 | else | |
1928 | { | |
1929 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1930 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1931 | tty_toggle_highlight (tty); |
86a7d192 GM |
1932 | } |
1933 | } | |
1934 | else | |
1935 | { | |
1936 | /* If we can't display colors, use reverse video | |
1937 | if the face specifies that. */ | |
37526b42 GM |
1938 | if (inverse_video) |
1939 | { | |
1940 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1941 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1942 | tty_toggle_highlight (tty); |
37526b42 GM |
1943 | } |
1944 | else | |
1945 | { | |
1946 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1947 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1948 | tty_toggle_highlight (tty); |
37526b42 | 1949 | } |
86a7d192 GM |
1950 | } |
1951 | } | |
a168702a | 1952 | |
4189ed40 CY |
1953 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1954 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1955 | ||
cd4eb164 CY |
1956 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1957 | { | |
1958 | if (tty->TS_enter_italic_mode) | |
1959 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1960 | else | |
1961 | /* Italics mode is unavailable on many terminals. In that | |
1962 | case, map slant to dimmed text; we want italic text to | |
1963 | appear different and dimming is not otherwise used. */ | |
1964 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1965 | } | |
a168702a | 1966 | |
fca177d4 KL |
1967 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1968 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1969 | |
fca177d4 | 1970 | if (tty->TN_max_colors > 0) |
a168702a | 1971 | { |
fbceeba2 PE |
1972 | const char *ts; |
1973 | char *p; | |
177c0ea7 | 1974 | |
fbf34973 | 1975 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1976 | if (fg >= 0 && ts) |
a168702a | 1977 | { |
653d4f43 | 1978 | p = tparam (ts, NULL, 0, fg, 0, 0, 0); |
6548cf00 | 1979 | OUTPUT (tty, p); |
a168702a GM |
1980 | xfree (p); |
1981 | } | |
1982 | ||
fbf34973 | 1983 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1984 | if (bg >= 0 && ts) |
a168702a | 1985 | { |
653d4f43 | 1986 | p = tparam (ts, NULL, 0, bg, 0, 0, 0); |
6548cf00 | 1987 | OUTPUT (tty, p); |
a168702a GM |
1988 | xfree (p); |
1989 | } | |
1990 | } | |
1991 | } | |
177c0ea7 | 1992 | |
a168702a GM |
1993 | |
1994 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1995 | ||
1996 | static void | |
d3da34e0 | 1997 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
1998 | { |
1999 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2000 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2001 | |
a54e2c05 | 2002 | eassert (face != NULL); |
a168702a | 2003 | |
fca177d4 | 2004 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2005 | { |
2006 | /* Capability "me" will turn off appearance modes double-bright, | |
2007 | half-bright, reverse-video, standout, underline. It may or | |
2008 | may not turn off alt-char-mode. */ | |
2009 | if (face->tty_bold_p | |
cd4eb164 | 2010 | || face->tty_italic_p |
a168702a | 2011 | || face->tty_reverse_p |
a168702a | 2012 | || face->tty_underline_p) |
65aa5e85 | 2013 | { |
fca177d4 KL |
2014 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2015 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2016 | tty->standout_mode = 0; | |
65aa5e85 | 2017 | } |
a168702a GM |
2018 | } |
2019 | else | |
2020 | { | |
2021 | /* If we don't have "me" we can only have those appearances | |
2022 | that have exit sequences defined. */ | |
54800acb | 2023 | if (face->tty_underline_p) |
fca177d4 | 2024 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2025 | } |
2026 | ||
2027 | /* Switch back to default colors. */ | |
fca177d4 | 2028 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2029 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2030 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2031 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2032 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2033 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2034 | } |
177c0ea7 JB |
2035 | |
2036 | ||
653d4f43 | 2037 | /* Return true if the terminal on frame F supports all of the |
b63a55ac MB |
2038 | capabilities in CAPS simultaneously, with foreground and background |
2039 | colors FG and BG. */ | |
2040 | ||
653d4f43 | 2041 | bool |
d3da34e0 JB |
2042 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2043 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2044 | { |
fca177d4 KL |
2045 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2046 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2047 | return 0; |
2048 | ||
fca177d4 KL |
2049 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2050 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2051 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2052 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2053 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2054 | |
2055 | /* We can do it! */ | |
2056 | return 1; | |
2057 | } | |
2058 | ||
a168702a GM |
2059 | /* Return non-zero if the terminal is capable to display colors. */ |
2060 | ||
2061 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2062 | 0, 1, 0, |
6ed8eeff KL |
2063 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2064 | ||
401e9e57 CY |
2065 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2066 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2067 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2068 | (Lisp_Object terminal) |
a168702a | 2069 | { |
717a00ef | 2070 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2071 | if (!t) |
428a555e | 2072 | return Qnil; |
3224dac1 | 2073 | else |
6ed8eeff | 2074 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2075 | } |
2076 | ||
bfa62f96 EZ |
2077 | /* Return the number of supported colors. */ |
2078 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2079 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2080 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2081 | ||
401e9e57 CY |
2082 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2083 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2084 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2085 | (Lisp_Object terminal) |
bfa62f96 | 2086 | { |
717a00ef | 2087 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2088 | if (!t) |
8c8d5f35 | 2089 | return make_number (0); |
3224dac1 | 2090 | else |
6ed8eeff | 2091 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2092 | } |
2093 | ||
84704c5c | 2094 | #ifndef DOS_NT |
a168702a | 2095 | |
5205ee62 GM |
2096 | /* Declare here rather than in the function, as in the rest of Emacs, |
2097 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2098 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2099 | static int default_max_colors; |
2100 | static int default_max_pairs; | |
2101 | static int default_no_color_video; | |
2102 | static char *default_orig_pair; | |
2103 | static char *default_set_foreground; | |
2104 | static char *default_set_background; | |
fcf8ff2e | 2105 | |
ace28297 EZ |
2106 | /* Save or restore the default color-related capabilities of this |
2107 | terminal. */ | |
2108 | static void | |
653d4f43 | 2109 | tty_default_color_capabilities (struct tty_display_info *tty, bool save) |
ace28297 | 2110 | { |
ace28297 EZ |
2111 | |
2112 | if (save) | |
2113 | { | |
70fdbb46 | 2114 | xfree (default_orig_pair); |
fca177d4 | 2115 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2116 | |
70fdbb46 | 2117 | xfree (default_set_foreground); |
fca177d4 | 2118 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2119 | : NULL; |
2120 | ||
70fdbb46 | 2121 | xfree (default_set_background); |
fca177d4 | 2122 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2123 | : NULL; |
2124 | ||
fca177d4 KL |
2125 | default_max_colors = tty->TN_max_colors; |
2126 | default_max_pairs = tty->TN_max_pairs; | |
2127 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2128 | } |
2129 | else | |
2130 | { | |
fca177d4 KL |
2131 | tty->TS_orig_pair = default_orig_pair; |
2132 | tty->TS_set_foreground = default_set_foreground; | |
2133 | tty->TS_set_background = default_set_background; | |
2134 | tty->TN_max_colors = default_max_colors; | |
2135 | tty->TN_max_pairs = default_max_pairs; | |
2136 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2137 | } |
2138 | } | |
2139 | ||
2140 | /* Setup one of the standard tty color schemes according to MODE. | |
2141 | MODE's value is generally the number of colors which we want to | |
2142 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2143 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2144 | static void |
28d7d09f | 2145 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2146 | { |
6b61353c KH |
2147 | /* Canonicalize all negative values of MODE. */ |
2148 | if (mode < -1) | |
2149 | mode = -1; | |
2150 | ||
ace28297 EZ |
2151 | switch (mode) |
2152 | { | |
2153 | case -1: /* no colors at all */ | |
fca177d4 KL |
2154 | tty->TN_max_colors = 0; |
2155 | tty->TN_max_pairs = 0; | |
2156 | tty->TN_no_color_video = 0; | |
2157 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2158 | break; |
2159 | case 0: /* default colors, if any */ | |
2160 | default: | |
fca177d4 | 2161 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2162 | break; |
2163 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2164 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2165 | #ifdef TERMINFO |
fca177d4 KL |
2166 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2167 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2168 | #else |
fca177d4 KL |
2169 | tty->TS_set_foreground = "\033[3%dm"; |
2170 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2171 | #endif |
fca177d4 KL |
2172 | tty->TN_max_colors = 8; |
2173 | tty->TN_max_pairs = 64; | |
2174 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2175 | break; |
2176 | } | |
2177 | } | |
2178 | ||
2179 | void | |
d3da34e0 | 2180 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2181 | { |
ce5b453a | 2182 | Lisp_Object tem, val; |
9b2cd403 SM |
2183 | Lisp_Object color_mode; |
2184 | int mode; | |
9b2cd403 SM |
2185 | Lisp_Object tty_color_mode_alist |
2186 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2187 | |
c23b5410 | 2188 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2189 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2190 | |
6b61353c | 2191 | if (INTEGERP (val)) |
ace28297 | 2192 | color_mode = val; |
ce5b453a | 2193 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2194 | { |
ce5b453a | 2195 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2196 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2197 | } |
ce5b453a SM |
2198 | else |
2199 | color_mode = Qnil; | |
6b61353c | 2200 | |
d311d28c | 2201 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2202 | |
9b2cd403 | 2203 | if (mode != tty->previous_color_mode) |
ace28297 | 2204 | { |
9b2cd403 SM |
2205 | tty->previous_color_mode = mode; |
2206 | tty_setup_colors (tty , mode); | |
2207 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2208 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2209 | } |
2210 | } | |
2211 | ||
84704c5c | 2212 | #endif /* !DOS_NT */ |
a168702a GM |
2213 | |
2214 | \f | |
28d440ab | 2215 | |
6ed8eeff | 2216 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2217 | |
64520e5c | 2218 | static struct terminal * |
653d4f43 | 2219 | get_tty_terminal (Lisp_Object terminal, bool throw) |
b6660415 | 2220 | { |
717a00ef | 2221 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2222 | |
84704c5c | 2223 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2224 | { |
2225 | if (throw) | |
2226 | error ("Device %d is not a termcap terminal device", t->id); | |
2227 | else | |
2228 | return NULL; | |
2229 | } | |
b6660415 | 2230 | |
6ed8eeff | 2231 | return t; |
b6660415 KL |
2232 | } |
2233 | ||
ab797f65 KL |
2234 | /* Return an active termcap device that uses the tty device with the |
2235 | given name. | |
b6660415 | 2236 | |
7e59217d | 2237 | This function ignores suspended devices. |
da8e1115 KL |
2238 | |
2239 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2240 | |
6ed8eeff | 2241 | struct terminal * |
8ea90aa3 | 2242 | get_named_tty (const char *name) |
28d440ab | 2243 | { |
6ed8eeff KL |
2244 | struct terminal *t; |
2245 | ||
9c253307 | 2246 | eassert (name); |
ab797f65 KL |
2247 | |
2248 | for (t = terminal_list; t; t = t->next_terminal) | |
2249 | { | |
5cc67f65 | 2250 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2251 | && !strcmp (t->display_info.tty->name, name) |
2252 | && TERMINAL_ACTIVE_P (t)) | |
2253 | return t; | |
2254 | } | |
28d440ab KL |
2255 | |
2256 | return 0; | |
2257 | } | |
2258 | ||
2259 | \f | |
a7ca3326 | 2260 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2261 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2262 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2263 | |
401e9e57 CY |
2264 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2265 | selected frame's terminal). */) | |
5842a27b | 2266 | (Lisp_Object terminal) |
b6660415 | 2267 | { |
6ed8eeff | 2268 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2269 | |
84704c5c | 2270 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2271 | return Qnil; |
2272 | ||
6ed8eeff KL |
2273 | if (t->display_info.tty->type) |
2274 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2275 | else |
2276 | return Qnil; | |
2277 | } | |
2278 | ||
6ed8eeff | 2279 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2280 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2281 | |
401e9e57 CY |
2282 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2283 | selected frame's terminal). This function always returns nil if | |
2284 | TERMINAL is not on a tty device. */) | |
5842a27b | 2285 | (Lisp_Object terminal) |
4a933ef8 | 2286 | { |
6ed8eeff | 2287 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2288 | |
84704c5c EZ |
2289 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2290 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2291 | return Qnil; |
2292 | else | |
2293 | return Qt; | |
2294 | } | |
2295 | ||
a3fbb897 | 2296 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2297 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2298 | This is used to override the terminfo data, for certain terminals that |
2299 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2300 | no effect if used on a non-tty terminal. |
a3fbb897 | 2301 | |
401e9e57 CY |
2302 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2303 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2304 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2305 | (Lisp_Object terminal) |
a3fbb897 | 2306 | { |
6ed8eeff | 2307 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2308 | |
6ed8eeff KL |
2309 | if (t->type == output_termcap) |
2310 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2311 | return Qnil; |
2312 | } | |
2313 | ||
c6bf3022 CY |
2314 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2315 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2316 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2317 | selected frame's terminal). This function returns nil if TERMINAL | |
2318 | does not refer to a text terminal. Otherwise, it returns the | |
2319 | top-most frame on the text terminal. */) | |
2320 | (Lisp_Object terminal) | |
2321 | { | |
2322 | struct terminal *t = get_terminal (terminal, 1); | |
2323 | ||
2324 | if (t->type == output_termcap) | |
2325 | return t->display_info.tty->top_frame; | |
2326 | return Qnil; | |
2327 | } | |
2328 | ||
ed8dad6b KL |
2329 | \f |
2330 | ||
2331 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2332 | doc: /* Suspend the terminal device TTY. | |
2333 | ||
2334 | The device is restored to its default state, and Emacs ceases all | |
2335 | access to the tty device. Frames that use the device are not deleted, | |
2336 | but input is not read from them and if they change, their display is | |
2337 | not updated. | |
2338 | ||
401e9e57 CY |
2339 | TTY may be a terminal object, a frame, or nil for the terminal device |
2340 | of the currently selected frame. | |
ed8dad6b | 2341 | |
e4019195 | 2342 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2343 | device. The functions are run with one arg, the id of the suspended |
2344 | terminal device. | |
2345 | ||
2346 | `suspend-tty' does nothing if it is called on a device that is already | |
2347 | suspended. | |
2348 | ||
2349 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2350 | (Lisp_Object tty) |
ed8dad6b | 2351 | { |
717a00ef | 2352 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2353 | FILE *f; |
f4d953fc | 2354 | |
6ed8eeff | 2355 | if (!t) |
ed8dad6b KL |
2356 | error ("Unknown tty device"); |
2357 | ||
6ed8eeff | 2358 | f = t->display_info.tty->input; |
f4d953fc | 2359 | |
ed8dad6b KL |
2360 | if (f) |
2361 | { | |
23d4cba5 DN |
2362 | /* First run `suspend-tty-functions' and then clean up the tty |
2363 | state because `suspend-tty-functions' might need to change | |
2364 | the tty state. */ | |
dee091a3 JD |
2365 | Lisp_Object args[2]; |
2366 | args[0] = intern ("suspend-tty-functions"); | |
2367 | XSETTERMINAL (args[1], t); | |
2368 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2369 | |
6ed8eeff | 2370 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2371 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2372 | |
84704c5c | 2373 | #ifndef MSDOS |
ed8dad6b | 2374 | fclose (f); |
6ed8eeff KL |
2375 | if (f != t->display_info.tty->output) |
2376 | fclose (t->display_info.tty->output); | |
84704c5c | 2377 | #endif |
f4d953fc | 2378 | |
6ed8eeff KL |
2379 | t->display_info.tty->input = 0; |
2380 | t->display_info.tty->output = 0; | |
ed8dad6b | 2381 | |
6ed8eeff | 2382 | if (FRAMEP (t->display_info.tty->top_frame)) |
edfa7fa0 | 2383 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); |
f4d953fc | 2384 | |
ed8dad6b KL |
2385 | } |
2386 | ||
4a665758 KL |
2387 | /* Clear display hooks to prevent further output. */ |
2388 | clear_tty_hooks (t); | |
2389 | ||
ed8dad6b KL |
2390 | return Qnil; |
2391 | } | |
2392 | ||
2393 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2394 | doc: /* Resume the previously suspended terminal device TTY. | |
2395 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2396 | suspended terminal are revived. |
ed8dad6b | 2397 | |
6ed8eeff KL |
2398 | It is an error to resume a terminal while another terminal is active |
2399 | on the same device. | |
ed8dad6b | 2400 | |
e4019195 | 2401 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2402 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2403 | device. |
2404 | ||
2405 | `resume-tty' does nothing if it is called on a device that is not | |
2406 | suspended. | |
2407 | ||
401e9e57 CY |
2408 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2409 | frame's terminal). */) | |
5842a27b | 2410 | (Lisp_Object tty) |
ed8dad6b | 2411 | { |
717a00ef | 2412 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2413 | int fd; |
2414 | ||
6ed8eeff | 2415 | if (!t) |
ed8dad6b KL |
2416 | error ("Unknown tty device"); |
2417 | ||
6ed8eeff | 2418 | if (!t->display_info.tty->input) |
ed8dad6b | 2419 | { |
6ed8eeff | 2420 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2421 | error ("Cannot resume display while another display is active on the same device"); |
2422 | ||
84704c5c EZ |
2423 | #ifdef MSDOS |
2424 | t->display_info.tty->output = stdout; | |
2425 | t->display_info.tty->input = stdin; | |
2426 | #else /* !MSDOS */ | |
6ed8eeff | 2427 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ef30e638 PE |
2428 | t->display_info.tty->input = t->display_info.tty->output |
2429 | = fd < 0 ? 0 : fdopen (fd, "w+"); | |
ed8dad6b | 2430 | |
ef30e638 PE |
2431 | if (! t->display_info.tty->input) |
2432 | { | |
2433 | int open_errno = errno; | |
2434 | emacs_close (fd); | |
2435 | report_file_errno ("Cannot reopen tty device", | |
2436 | build_string (t->display_info.tty->name), | |
2437 | open_errno); | |
2438 | } | |
ed8dad6b | 2439 | |
b8956427 | 2440 | if (!O_IGNORE_CTTY && strcmp (t->display_info.tty->name, DEV_TTY) != 0) |
59b3194c | 2441 | dissociate_if_controlling_tty (fd); |
84704c5c | 2442 | #endif |
78048085 | 2443 | |
ed8dad6b KL |
2444 | add_keyboard_wait_descriptor (fd); |
2445 | ||
6ed8eeff | 2446 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2447 | { |
2448 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2449 | int width, height; | |
2450 | int old_height = FRAME_COLS (f); | |
2451 | int old_width = FRAME_LINES (f); | |
2452 | ||
2453 | /* Check if terminal/window size has changed while the frame | |
2454 | was suspended. */ | |
2455 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2456 | if (width != old_width || height != old_height) | |
2457 | change_frame_size (f, height, width, 0, 0, 0); | |
edfa7fa0 | 2458 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); |
db878925 | 2459 | } |
ed8dad6b | 2460 | |
04f2d78b | 2461 | set_tty_hooks (t); |
6ed8eeff | 2462 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2463 | |
dee091a3 JD |
2464 | { |
2465 | /* Run `resume-tty-functions'. */ | |
2466 | Lisp_Object args[2]; | |
2467 | args[0] = intern ("resume-tty-functions"); | |
2468 | XSETTERMINAL (args[1], t); | |
2469 | Frun_hook_with_args (2, args); | |
2470 | } | |
ed8dad6b KL |
2471 | } |
2472 | ||
4a665758 KL |
2473 | set_tty_hooks (t); |
2474 | ||
ed8dad6b KL |
2475 | return Qnil; |
2476 | } | |
a3fbb897 | 2477 | |
819b8f00 | 2478 | \f |
e882229c NR |
2479 | /*********************************************************************** |
2480 | Mouse | |
2481 | ***********************************************************************/ | |
2482 | ||
7e5a23bd | 2483 | #ifdef HAVE_GPM |
64520e5c PE |
2484 | |
2485 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2486 | void |
2487 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2488 | { |
1ec5dc77 | 2489 | /* TODO: how to set mouse position? |
94da14a0 NR |
2490 | const char *name; |
2491 | int fd; | |
2492 | name = (const char *) ttyname (0); | |
406af475 | 2493 | fd = emacs_open (name, O_WRONLY, 0); |
80fb2ce0 | 2494 | SOME_FUNCTION (x, y, fd); |
bacba3c2 | 2495 | emacs_close (fd); |
94da14a0 | 2496 | last_mouse_x = x; |
80fb2ce0 | 2497 | last_mouse_y = y; */ |
94da14a0 | 2498 | } |
64520e5c | 2499 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2500 | |
cf482c50 EZ |
2501 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2502 | void | |
2503 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2504 | int start_hpos, int end_hpos, | |
2505 | enum draw_glyphs_face draw) | |
e882229c | 2506 | { |
cf482c50 EZ |
2507 | int nglyphs = end_hpos - start_hpos; |
2508 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2509 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2510 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2511 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2512 | |
cf482c50 EZ |
2513 | if (end_hpos >= row->used[TEXT_AREA]) |
2514 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2515 | |
cf482c50 EZ |
2516 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2517 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2518 | |
cf482c50 EZ |
2519 | /* Save current cursor co-ordinates. */ |
2520 | save_y = curY (tty); | |
2521 | save_x = curX (tty); | |
2522 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2523 | |
cf482c50 EZ |
2524 | if (draw == DRAW_MOUSE_FACE) |
2525 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2526 | nglyphs, face_id); | |
2527 | else if (draw == DRAW_NORMAL_TEXT) | |
2528 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2529 | |
cf482c50 | 2530 | cursor_to (f, save_y, save_x); |
e882229c NR |
2531 | } |
2532 | ||
653d4f43 | 2533 | static bool |
a10c8269 | 2534 | term_mouse_movement (struct frame *frame, Gpm_Event *event) |
e882229c NR |
2535 | { |
2536 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2537 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2538 | { | |
2539 | frame->mouse_moved = 1; | |
cf482c50 | 2540 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2541 | /* Remember which glyph we're now on. */ |
2542 | last_mouse_x = event->x; | |
2543 | last_mouse_y = event->y; | |
2544 | return 1; | |
2545 | } | |
2546 | return 0; | |
2547 | } | |
2548 | ||
d35af63c PE |
2549 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2550 | static Time | |
2551 | timeval_to_Time (struct timeval const *t) | |
2552 | { | |
2553 | Time s_1000, ms; | |
2554 | ||
2555 | s_1000 = t->tv_sec; | |
2556 | s_1000 *= 1000; | |
2557 | ms = t->tv_usec / 1000; | |
2558 | return s_1000 + ms; | |
2559 | } | |
2560 | ||
e882229c NR |
2561 | /* Return the current position of the mouse. |
2562 | ||
2563 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2564 | Emacs frame. If it is set to zero, all the other arguments are | |
2565 | garbage. | |
2566 | ||
2567 | Set *bar_window to Qnil, and *x and *y to the column and | |
2568 | row of the character cell the mouse is over. | |
2569 | ||
7f3f1250 | 2570 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2571 | |
80fb2ce0 | 2572 | This clears mouse_moved until the next motion |
94da14a0 | 2573 | event arrives. */ |
e882229c | 2574 | static void |
a10c8269 | 2575 | term_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window, |
e882229c | 2576 | enum scroll_bar_part *part, Lisp_Object *x, |
08dc5ae6 | 2577 | Lisp_Object *y, Time *timeptr) |
e882229c | 2578 | { |
e882229c | 2579 | struct timeval now; |
e882229c NR |
2580 | |
2581 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2582 | (*fp)->mouse_moved = 0; |
e882229c NR |
2583 | |
2584 | *bar_window = Qnil; | |
2585 | *part = 0; | |
2586 | ||
80fb2ce0 | 2587 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2588 | XSETINT (*y, last_mouse_y); |
e882229c | 2589 | gettimeofday(&now, 0); |
d35af63c | 2590 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2591 | } |
2592 | ||
2593 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2594 | ||
2595 | If the event is a button press, then note that we have grabbed | |
2596 | the mouse. */ | |
2597 | ||
2598 | static Lisp_Object | |
2599 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2600 | struct frame *f) | |
2601 | { | |
2602 | struct timeval now; | |
2603 | int i, j; | |
2604 | ||
2605 | result->kind = GPM_CLICK_EVENT; | |
2606 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2607 | { | |
2608 | if (event->buttons & j) { | |
2609 | result->code = i; /* button number */ | |
2610 | break; | |
2611 | } | |
2612 | } | |
2613 | gettimeofday(&now, 0); | |
d35af63c | 2614 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2615 | |
2616 | if (event->type & GPM_UP) | |
2617 | result->modifiers = up_modifier; | |
2618 | else if (event->type & GPM_DOWN) | |
2619 | result->modifiers = down_modifier; | |
2620 | else | |
2621 | result->modifiers = 0; | |
f4d953fc | 2622 | |
e882229c NR |
2623 | if (event->type & GPM_SINGLE) |
2624 | result->modifiers |= click_modifier; | |
f4d953fc | 2625 | |
e882229c NR |
2626 | if (event->type & GPM_DOUBLE) |
2627 | result->modifiers |= double_modifier; | |
2628 | ||
2629 | if (event->type & GPM_TRIPLE) | |
2630 | result->modifiers |= triple_modifier; | |
2631 | ||
2632 | if (event->type & GPM_DRAG) | |
2633 | result->modifiers |= drag_modifier; | |
2634 | ||
80fb2ce0 | 2635 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2636 | |
2637 | /* 1 << KG_SHIFT */ | |
2638 | if (event->modifiers & (1 << 0)) | |
2639 | result->modifiers |= shift_modifier; | |
2640 | ||
2641 | /* 1 << KG_CTRL */ | |
2642 | if (event->modifiers & (1 << 2)) | |
2643 | result->modifiers |= ctrl_modifier; | |
2644 | ||
2645 | /* 1 << KG_ALT || KG_ALTGR */ | |
2646 | if (event->modifiers & (1 << 3) | |
2647 | || event->modifiers & (1 << 1)) | |
2648 | result->modifiers |= meta_modifier; | |
2649 | } | |
2650 | ||
80fb2ce0 NR |
2651 | XSETINT (result->x, event->x); |
2652 | XSETINT (result->y, event->y); | |
e882229c NR |
2653 | XSETFRAME (result->frame_or_window, f); |
2654 | result->arg = Qnil; | |
2655 | return Qnil; | |
2656 | } | |
2657 | ||
f4d953fc | 2658 | int |
7be1c21a | 2659 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2660 | { |
7be1c21a | 2661 | struct frame *f = XFRAME (tty->top_frame); |
e882229c | 2662 | struct input_event ie; |
653d4f43 | 2663 | bool do_help = 0; |
e882229c NR |
2664 | int count = 0; |
2665 | ||
2666 | EVENT_INIT (ie); | |
2667 | ie.kind = NO_EVENT; | |
2668 | ie.arg = Qnil; | |
2669 | ||
80fb2ce0 | 2670 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2671 | previous_help_echo_string = help_echo_string; |
2672 | help_echo_string = Qnil; | |
2673 | ||
6178ce5e | 2674 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2675 | |
80fb2ce0 NR |
2676 | if (!term_mouse_movement (f, event)) |
2677 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2678 | |
2679 | /* If the contents of the global variable help_echo_string | |
2680 | has changed, generate a HELP_EVENT. */ | |
2681 | if (!NILP (help_echo_string) | |
2682 | || !NILP (previous_help_echo_string)) | |
2683 | do_help = 1; | |
2684 | ||
2685 | goto done; | |
2686 | } | |
2687 | else { | |
2688 | f->mouse_moved = 0; | |
2689 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2690 | } |
2691 | ||
2692 | done: | |
2693 | if (ie.kind != NO_EVENT) | |
2694 | { | |
2695 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2696 | count++; | |
2697 | } | |
2698 | ||
2699 | if (do_help | |
2700 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2701 | { | |
2702 | Lisp_Object frame; | |
2703 | ||
2704 | if (f) | |
2705 | XSETFRAME (frame, f); | |
2706 | else | |
2707 | frame = Qnil; | |
2708 | ||
2709 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2710 | help_echo_object, help_echo_pos); | |
2711 | count++; | |
2712 | } | |
2713 | ||
2714 | return count; | |
2715 | } | |
2716 | ||
6178ce5e | 2717 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2718 | 0, 0, 0, |
71f44e7a | 2719 | doc: /* Open a connection to Gpm. |
6178ce5e | 2720 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2721 | (void) |
e882229c | 2722 | { |
71f44e7a SM |
2723 | struct frame *f = SELECTED_FRAME (); |
2724 | struct tty_display_info *tty | |
2725 | = ((f)->output_method == output_termcap | |
2726 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2727 | Gpm_Connect connection; |
2728 | ||
6178ce5e SM |
2729 | if (!tty) |
2730 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2731 | if (gpm_tty == tty) |
2732 | return Qnil; /* Already activated, nothing to do. */ | |
2733 | if (gpm_tty) | |
2734 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2735 | |
e882229c NR |
2736 | connection.eventMask = ~0; |
2737 | connection.defaultMask = ~GPM_HARD; | |
2738 | connection.maxMod = ~0; | |
2739 | connection.minMod = 0; | |
80fb2ce0 | 2740 | gpm_zerobased = 1; |
e882229c NR |
2741 | |
2742 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2743 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2744 | else |
2745 | { | |
71f44e7a | 2746 | gpm_tty = tty; |
1023cbed SM |
2747 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2748 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2749 | before calling init_sys_modes. */ | |
7be1c21a MB |
2750 | reset_sys_modes (tty); |
2751 | init_sys_modes (tty); | |
e882229c | 2752 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2753 | return Qnil; |
e882229c NR |
2754 | } |
2755 | } | |
2756 | ||
ed5ff21d | 2757 | void |
d347e494 | 2758 | close_gpm (int fd) |
ed5ff21d | 2759 | { |
d347e494 SM |
2760 | if (fd >= 0) |
2761 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2762 | while (Gpm_Close()); /* close all the stack */ |
2763 | gpm_tty = NULL; | |
2764 | } | |
2765 | ||
6178ce5e | 2766 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2767 | 0, 0, 0, |
2768 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2769 | (void) |
e882229c | 2770 | { |
4ce5ab77 SM |
2771 | struct frame *f = SELECTED_FRAME (); |
2772 | struct tty_display_info *tty | |
2773 | = ((f)->output_method == output_termcap | |
2774 | ? (f)->terminal->display_info.tty : NULL); | |
2775 | ||
2776 | if (!tty || gpm_tty != tty) | |
2777 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2778 | |
d347e494 | 2779 | close_gpm (gpm_fd); |
6178ce5e | 2780 | return Qnil; |
e882229c | 2781 | } |
7e5a23bd | 2782 | #endif /* HAVE_GPM */ |
e882229c NR |
2783 | |
2784 | \f | |
b5e9cbb6 EZ |
2785 | /*********************************************************************** |
2786 | Menus | |
2787 | ***********************************************************************/ | |
2788 | ||
2789 | #if defined (HAVE_MENUS) && !defined (MSDOS) | |
2790 | ||
2791 | /* TTY menu implementation and main ideas are borrowed from msdos.c. | |
2792 | ||
2793 | However, unlike on MSDOS, where the menu text is drawn directly to | |
fa93733d EZ |
2794 | the display video memory, on a TTY we use display_string (see |
2795 | display_tty_menu_item in xdisp.c) to put the glyphs produced from | |
2796 | the menu items directly into the frame's 'desired_matrix' glyph | |
2797 | matrix, and then call update_frame_with_menu to deliver the results | |
2798 | to the glass. The previous contents of the screen, in the form of | |
2799 | the current_matrix, is stashed away, and used to restore screen | |
b5e9cbb6 EZ |
2800 | contents when the menu selection changes or when the final |
2801 | selection is made and the menu should be popped down. | |
2802 | ||
141f1ff7 | 2803 | The idea of this implementation was suggested by Gerd Moellmann. */ |
b5e9cbb6 EZ |
2804 | |
2805 | #define TTYM_FAILURE -1 | |
2806 | #define TTYM_SUCCESS 1 | |
2807 | #define TTYM_NO_SELECT 2 | |
2808 | #define TTYM_IA_SELECT 3 | |
2809 | ||
2810 | /* These hold text of the current and the previous menu help messages. */ | |
2811 | static const char *menu_help_message, *prev_menu_help_message; | |
2812 | /* Pane number and item number of the menu item which generated the | |
2813 | last menu help message. */ | |
2814 | static int menu_help_paneno, menu_help_itemno; | |
2815 | ||
8a0529f2 EZ |
2816 | static int menu_x, menu_y; |
2817 | ||
df782309 EZ |
2818 | static Lisp_Object Qtty_menu_navigation_map, Qtty_menu_exit; |
2819 | static Lisp_Object Qtty_menu_prev_item, Qtty_menu_next_item; | |
2820 | static Lisp_Object Qtty_menu_next_menu, Qtty_menu_prev_menu; | |
2821 | static Lisp_Object Qtty_menu_select, Qtty_menu_ignore; | |
e648f699 | 2822 | static Lisp_Object Qtty_menu_mouse_movement; |
f0177f86 | 2823 | |
b5e9cbb6 EZ |
2824 | typedef struct tty_menu_struct |
2825 | { | |
2826 | int count; | |
2827 | char **text; | |
2828 | struct tty_menu_struct **submenu; | |
2829 | int *panenumber; /* Also used as enable. */ | |
2830 | int allocated; | |
2831 | int panecount; | |
2832 | int width; | |
2833 | const char **help_text; | |
2834 | } tty_menu; | |
2835 | ||
2836 | /* Create a brand new menu structure. */ | |
2837 | ||
2838 | static tty_menu * | |
2839 | tty_menu_create (void) | |
2840 | { | |
2841 | tty_menu *menu; | |
2842 | ||
2843 | menu = (tty_menu *) xmalloc (sizeof (tty_menu)); | |
2844 | menu->allocated = menu->count = menu->panecount = menu->width = 0; | |
2845 | return menu; | |
2846 | } | |
2847 | ||
2848 | /* Allocate some (more) memory for MENU ensuring that there is room for one | |
2849 | for item. */ | |
2850 | ||
2851 | static void | |
2852 | tty_menu_make_room (tty_menu *menu) | |
2853 | { | |
2854 | if (menu->allocated == 0) | |
2855 | { | |
2856 | int count = menu->allocated = 10; | |
2857 | menu->text = (char **) xmalloc (count * sizeof (char *)); | |
2858 | menu->submenu = (tty_menu **) xmalloc (count * sizeof (tty_menu *)); | |
2859 | menu->panenumber = (int *) xmalloc (count * sizeof (int)); | |
2860 | menu->help_text = (const char **) xmalloc (count * sizeof (char *)); | |
2861 | } | |
2862 | else if (menu->allocated == menu->count) | |
2863 | { | |
2864 | int count = menu->allocated = menu->allocated + 10; | |
2865 | menu->text | |
2866 | = (char **) xrealloc (menu->text, count * sizeof (char *)); | |
2867 | menu->submenu | |
2868 | = (tty_menu **) xrealloc (menu->submenu, count * sizeof (tty_menu *)); | |
2869 | menu->panenumber | |
2870 | = (int *) xrealloc (menu->panenumber, count * sizeof (int)); | |
2871 | menu->help_text | |
2872 | = (const char **) xrealloc (menu->help_text, count * sizeof (char *)); | |
2873 | } | |
2874 | } | |
2875 | ||
2876 | /* Search the given menu structure for a given pane number. */ | |
2877 | ||
2878 | static tty_menu * | |
2879 | tty_menu_search_pane (tty_menu *menu, int pane) | |
2880 | { | |
2881 | int i; | |
2882 | tty_menu *try; | |
2883 | ||
2884 | for (i = 0; i < menu->count; i++) | |
2885 | if (menu->submenu[i]) | |
2886 | { | |
2887 | if (pane == menu->panenumber[i]) | |
2888 | return menu->submenu[i]; | |
2889 | if ((try = tty_menu_search_pane (menu->submenu[i], pane))) | |
2890 | return try; | |
2891 | } | |
2892 | return (tty_menu *) 0; | |
2893 | } | |
2894 | ||
2895 | /* Determine how much screen space a given menu needs. */ | |
2896 | ||
2897 | static void | |
2898 | tty_menu_calc_size (tty_menu *menu, int *width, int *height) | |
2899 | { | |
2900 | int i, h2, w2, maxsubwidth, maxheight; | |
2901 | ||
9e30f0e1 | 2902 | maxsubwidth = menu->width; |
b5e9cbb6 EZ |
2903 | maxheight = menu->count; |
2904 | for (i = 0; i < menu->count; i++) | |
2905 | { | |
2906 | if (menu->submenu[i]) | |
2907 | { | |
2908 | tty_menu_calc_size (menu->submenu[i], &w2, &h2); | |
2909 | if (w2 > maxsubwidth) maxsubwidth = w2; | |
2910 | if (i + h2 > maxheight) maxheight = i + h2; | |
2911 | } | |
2912 | } | |
9e30f0e1 | 2913 | *width = maxsubwidth; |
b5e9cbb6 EZ |
2914 | *height = maxheight; |
2915 | } | |
2916 | ||
e648f699 EZ |
2917 | static void |
2918 | mouse_get_xy (int *x, int *y) | |
2919 | { | |
2920 | struct frame *sf = SELECTED_FRAME (); | |
2921 | Lisp_Object lmx, lmy, lisp_dummy; | |
2922 | enum scroll_bar_part part_dummy; | |
2923 | Time time_dummy; | |
2924 | ||
2925 | if (FRAME_TERMINAL (sf)->mouse_position_hook) | |
2926 | (*FRAME_TERMINAL (sf)->mouse_position_hook) (&sf, -1, | |
2927 | &lisp_dummy, &part_dummy, | |
2928 | &lmx, &lmy, | |
2929 | &time_dummy); | |
2930 | if (!NILP (lmx)) | |
2931 | { | |
2932 | *x = XINT (lmx); | |
2933 | *y = XINT (lmy); | |
2934 | } | |
2935 | } | |
2936 | ||
b5e9cbb6 EZ |
2937 | /* Display MENU at (X,Y) using FACES. */ |
2938 | ||
b5e9cbb6 | 2939 | static void |
ffc3882f | 2940 | tty_menu_display (tty_menu *menu, int x, int y, int pn, int *faces, |
bbc10837 | 2941 | int mx, int my, int disp_help) |
b5e9cbb6 | 2942 | { |
bbc10837 | 2943 | int i, face, width, enabled, mousehere, row, col; |
b5e9cbb6 EZ |
2944 | struct frame *sf = SELECTED_FRAME (); |
2945 | struct tty_display_info *tty = FRAME_TTY (sf); | |
b5e9cbb6 EZ |
2946 | |
2947 | menu_help_message = NULL; | |
2948 | ||
2949 | width = menu->width; | |
e7873136 EZ |
2950 | col = cursorX (tty); |
2951 | row = cursorY (tty); | |
b5e9cbb6 EZ |
2952 | #if 0 |
2953 | IT_update_begin (sf); /* FIXME: do we need an update_begin_hook? */ | |
2954 | #endif | |
2955 | for (i = 0; i < menu->count; i++) | |
2956 | { | |
342cf494 | 2957 | int max_width = width + 2; /* +2 for padding blanks on each side */ |
b5e9cbb6 EZ |
2958 | |
2959 | cursor_to (sf, y + i, x); | |
342cf494 EZ |
2960 | if (menu->submenu[i]) |
2961 | max_width += 2; /* for displaying " >" after the item */ | |
b5e9cbb6 EZ |
2962 | enabled |
2963 | = (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]); | |
2964 | mousehere = (y + i == my && x <= mx && mx < x + max_width); | |
2965 | face = faces[enabled + mousehere * 2]; | |
2966 | /* Display the menu help string for the i-th menu item even if | |
2967 | the menu item is currently disabled. That's what the GUI | |
2968 | code does. */ | |
2969 | if (disp_help && enabled + mousehere * 2 >= 2) | |
2970 | { | |
2971 | menu_help_message = menu->help_text[i]; | |
2972 | menu_help_paneno = pn - 1; | |
2973 | menu_help_itemno = i; | |
2974 | } | |
342cf494 | 2975 | display_tty_menu_item (menu->text[i], max_width, face, x, y + i, |
b5e9cbb6 EZ |
2976 | menu->submenu[i] != NULL); |
2977 | } | |
2978 | update_frame_with_menu (sf); | |
2979 | cursor_to (sf, row, col); | |
2980 | } | |
2981 | ||
2982 | /* --------------------------- X Menu emulation ---------------------- */ | |
2983 | ||
2984 | /* Report availability of menus. */ | |
2985 | ||
2986 | int | |
2987 | have_menus_p (void) { return 1; } | |
2988 | ||
2989 | /* Create a new pane and place it on the outer-most level. */ | |
2990 | ||
e7873136 EZ |
2991 | static int |
2992 | tty_menu_add_pane (tty_menu *menu, const char *txt) | |
b5e9cbb6 EZ |
2993 | { |
2994 | int len; | |
2995 | const char *p; | |
2996 | ||
2997 | tty_menu_make_room (menu); | |
2998 | menu->submenu[menu->count] = tty_menu_create (); | |
2999 | menu->text[menu->count] = (char *)txt; | |
3000 | menu->panenumber[menu->count] = ++menu->panecount; | |
3001 | menu->help_text[menu->count] = NULL; | |
3002 | menu->count++; | |
3003 | ||
3004 | /* Update the menu width, if necessary. */ | |
3005 | for (len = 0, p = txt; *p; ) | |
3006 | { | |
3007 | int ch_len; | |
3008 | int ch = STRING_CHAR_AND_LENGTH (p, ch_len); | |
3009 | ||
3010 | len += CHAR_WIDTH (ch); | |
3011 | p += ch_len; | |
3012 | } | |
3013 | ||
3014 | if (len > menu->width) | |
3015 | menu->width = len; | |
3016 | ||
3017 | return menu->panecount; | |
3018 | } | |
3019 | ||
3020 | /* Create a new item in a menu pane. */ | |
3021 | ||
3022 | int | |
3023 | tty_menu_add_selection (tty_menu *menu, int pane, | |
3024 | char *txt, int enable, char const *help_text) | |
3025 | { | |
3026 | int len; | |
3027 | char *p; | |
3028 | ||
3029 | if (pane) | |
3030 | if (!(menu = tty_menu_search_pane (menu, pane))) | |
3031 | return TTYM_FAILURE; | |
3032 | tty_menu_make_room (menu); | |
3033 | menu->submenu[menu->count] = (tty_menu *) 0; | |
3034 | menu->text[menu->count] = txt; | |
3035 | menu->panenumber[menu->count] = enable; | |
3036 | menu->help_text[menu->count] = help_text; | |
3037 | menu->count++; | |
3038 | ||
3039 | /* Update the menu width, if necessary. */ | |
3040 | for (len = 0, p = txt; *p; ) | |
3041 | { | |
3042 | int ch_len; | |
3043 | int ch = STRING_CHAR_AND_LENGTH (p, ch_len); | |
3044 | ||
3045 | len += CHAR_WIDTH (ch); | |
3046 | p += ch_len; | |
3047 | } | |
3048 | ||
3049 | if (len > menu->width) | |
3050 | menu->width = len; | |
3051 | ||
3052 | return TTYM_SUCCESS; | |
3053 | } | |
3054 | ||
3055 | /* Decide where the menu would be placed if requested at (X,Y). */ | |
3056 | ||
3057 | void | |
3058 | tty_menu_locate (tty_menu *menu, int x, int y, | |
3059 | int *ulx, int *uly, int *width, int *height) | |
3060 | { | |
3061 | tty_menu_calc_size (menu, width, height); | |
3062 | *ulx = x + 1; | |
3063 | *uly = y; | |
3064 | *width += 2; | |
3065 | } | |
3066 | ||
3067 | struct tty_menu_state | |
3068 | { | |
141f1ff7 | 3069 | struct glyph_matrix *screen_behind; |
b5e9cbb6 EZ |
3070 | tty_menu *menu; |
3071 | int pane; | |
3072 | int x, y; | |
3073 | }; | |
3074 | ||
f34729ea EZ |
3075 | /* Save away the contents of frame F's current frame matrix, and |
3076 | enable all its rows. Value is a glyph matrix holding the contents | |
3077 | of F's current frame matrix with all its glyph rows enabled. */ | |
3078 | ||
3079 | struct glyph_matrix * | |
3080 | save_and_enable_current_matrix (struct frame *f) | |
3081 | { | |
3082 | int i; | |
3083 | struct glyph_matrix *saved = xzalloc (sizeof *saved); | |
3084 | saved->nrows = f->current_matrix->nrows; | |
3085 | saved->rows = xzalloc (saved->nrows * sizeof *saved->rows); | |
3086 | ||
3087 | for (i = 0; i < saved->nrows; ++i) | |
3088 | { | |
3089 | struct glyph_row *from = f->current_matrix->rows + i; | |
3090 | struct glyph_row *to = saved->rows + i; | |
3091 | ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph); | |
3092 | ||
3093 | to->glyphs[TEXT_AREA] = xmalloc (nbytes); | |
3094 | memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes); | |
3095 | to->used[TEXT_AREA] = from->used[TEXT_AREA]; | |
3096 | /* Make sure every row is enabled, or else update_frame will not | |
3097 | redraw them. (Rows that are identical to what is already on | |
3098 | screen will not be redrawn anyway.) */ | |
3099 | to->enabled_p = 1; | |
3100 | to->hash = from->hash; | |
3101 | if (from->used[LEFT_MARGIN_AREA]) | |
3102 | { | |
3103 | nbytes = from->used[LEFT_MARGIN_AREA] * sizeof (struct glyph); | |
3104 | to->glyphs[LEFT_MARGIN_AREA] = (struct glyph *) xmalloc (nbytes); | |
3105 | memcpy (to->glyphs[LEFT_MARGIN_AREA], | |
3106 | from->glyphs[LEFT_MARGIN_AREA], nbytes); | |
3107 | to->used[LEFT_MARGIN_AREA] = from->used[LEFT_MARGIN_AREA]; | |
3108 | } | |
3109 | if (from->used[RIGHT_MARGIN_AREA]) | |
3110 | { | |
3111 | nbytes = from->used[RIGHT_MARGIN_AREA] * sizeof (struct glyph); | |
3112 | to->glyphs[RIGHT_MARGIN_AREA] = (struct glyph *) xmalloc (nbytes); | |
3113 | memcpy (to->glyphs[RIGHT_MARGIN_AREA], | |
3114 | from->glyphs[RIGHT_MARGIN_AREA], nbytes); | |
3115 | to->used[RIGHT_MARGIN_AREA] = from->used[RIGHT_MARGIN_AREA]; | |
3116 | } | |
3117 | } | |
3118 | ||
3119 | return saved; | |
3120 | } | |
3121 | ||
141f1ff7 EZ |
3122 | /* Restore the contents of frame F's desired frame matrix from SAVED, |
3123 | and free memory associated with SAVED. */ | |
b5e9cbb6 | 3124 | |
141f1ff7 EZ |
3125 | static void |
3126 | restore_desired_matrix (struct frame *f, struct glyph_matrix *saved) | |
3127 | { | |
3128 | int i; | |
3129 | ||
3130 | for (i = 0; i < saved->nrows; ++i) | |
3131 | { | |
3132 | struct glyph_row *from = saved->rows + i; | |
3133 | struct glyph_row *to = f->desired_matrix->rows + i; | |
3134 | ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph); | |
3135 | ||
96114a30 | 3136 | eassert (to->glyphs[TEXT_AREA] != from->glyphs[TEXT_AREA]); |
141f1ff7 EZ |
3137 | memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes); |
3138 | to->used[TEXT_AREA] = from->used[TEXT_AREA]; | |
fa93733d EZ |
3139 | to->enabled_p = from->enabled_p; |
3140 | to->hash = from->hash; | |
96114a30 | 3141 | nbytes = from->used[LEFT_MARGIN_AREA] * sizeof (struct glyph); |
141f1ff7 EZ |
3142 | if (nbytes) |
3143 | { | |
96114a30 | 3144 | eassert (to->glyphs[LEFT_MARGIN_AREA] != from->glyphs[LEFT_MARGIN_AREA]); |
141f1ff7 EZ |
3145 | memcpy (to->glyphs[LEFT_MARGIN_AREA], |
3146 | from->glyphs[LEFT_MARGIN_AREA], nbytes); | |
3147 | to->used[LEFT_MARGIN_AREA] = from->used[LEFT_MARGIN_AREA]; | |
141f1ff7 EZ |
3148 | } |
3149 | else | |
3150 | to->used[LEFT_MARGIN_AREA] = 0; | |
96114a30 | 3151 | nbytes = from->used[RIGHT_MARGIN_AREA] * sizeof (struct glyph); |
141f1ff7 EZ |
3152 | if (nbytes) |
3153 | { | |
96114a30 | 3154 | eassert (to->glyphs[RIGHT_MARGIN_AREA] != from->glyphs[RIGHT_MARGIN_AREA]); |
141f1ff7 EZ |
3155 | memcpy (to->glyphs[RIGHT_MARGIN_AREA], |
3156 | from->glyphs[RIGHT_MARGIN_AREA], nbytes); | |
3157 | to->used[RIGHT_MARGIN_AREA] = from->used[RIGHT_MARGIN_AREA]; | |
141f1ff7 EZ |
3158 | } |
3159 | else | |
3160 | to->used[RIGHT_MARGIN_AREA] = 0; | |
3161 | } | |
141f1ff7 EZ |
3162 | } |
3163 | ||
3164 | static void | |
3165 | free_saved_screen (struct glyph_matrix *saved) | |
3166 | { | |
3167 | int i; | |
3168 | ||
3169 | if (!saved) | |
3170 | return; /* already freed */ | |
3171 | ||
3172 | for (i = 0; i < saved->nrows; ++i) | |
3173 | { | |
3174 | struct glyph_row *from = saved->rows + i; | |
3175 | ||
3176 | xfree (from->glyphs[TEXT_AREA]); | |
96114a30 | 3177 | if (from->used[LEFT_MARGIN_AREA]) |
141f1ff7 | 3178 | xfree (from->glyphs[LEFT_MARGIN_AREA]); |
96114a30 | 3179 | if (from->used[RIGHT_MARGIN_AREA]) |
141f1ff7 EZ |
3180 | xfree (from->glyphs[RIGHT_MARGIN_AREA]); |
3181 | } | |
3182 | ||
3183 | xfree (saved->rows); | |
3184 | xfree (saved); | |
3185 | } | |
3186 | ||
3187 | /* Update the display of frame F from its saved contents. */ | |
3188 | static void | |
3189 | screen_update (struct frame *f, struct glyph_matrix *mtx) | |
3190 | { | |
3191 | restore_desired_matrix (f, mtx); | |
3192 | update_frame_with_menu (f); | |
3193 | } | |
3194 | ||
3195 | /* Read user input and return X and Y coordinates where that input | |
3196 | puts us. We only consider mouse movement and click events and | |
0de83597 EZ |
3197 | keyboard movement commands; the rest are ignored. |
3198 | ||
e648f699 EZ |
3199 | Value is -1 if C-g was pressed, 1 if an item was selected, zero |
3200 | otherwise. */ | |
0de83597 | 3201 | static int |
df782309 EZ |
3202 | read_menu_input (struct frame *sf, int *x, int *y, int min_y, int max_y, |
3203 | bool *first_time) | |
141f1ff7 | 3204 | { |
ffc3882f EZ |
3205 | if (*first_time) |
3206 | { | |
3207 | *first_time = false; | |
96114a30 EZ |
3208 | /* FIXME: Following 2 or 3 lines are temporary! */ |
3209 | menu_x = *x; | |
3210 | menu_y = *y; | |
ffc3882f | 3211 | sf->mouse_moved = 1; |
0de83597 | 3212 | return 0; |
ffc3882f EZ |
3213 | } |
3214 | ||
141f1ff7 EZ |
3215 | while (1) |
3216 | { | |
f0177f86 EZ |
3217 | #if 1 |
3218 | extern Lisp_Object read_menu_command (void); | |
7ace9265 | 3219 | Lisp_Object cmd; |
f0177f86 EZ |
3220 | int usable_input = 1; |
3221 | int st = 0; | |
f34729ea | 3222 | struct tty_display_info *tty = FRAME_TTY (sf); |
e648f699 | 3223 | Lisp_Object saved_mouse_tracking = do_mouse_tracking; |
f0177f86 | 3224 | |
f34729ea EZ |
3225 | /* Signal the keyboard reading routines we are displaying a menu |
3226 | on this terminal. */ | |
3227 | tty->showing_menu = 1; | |
e648f699 EZ |
3228 | /* We want mouse movements be reported by read_menu_command. */ |
3229 | do_mouse_tracking = Qt; | |
7ace9265 EZ |
3230 | do { |
3231 | cmd = read_menu_command (); | |
e648f699 | 3232 | } while (NILP (cmd)); |
f34729ea | 3233 | tty->showing_menu = 0; |
e648f699 | 3234 | do_mouse_tracking = saved_mouse_tracking; |
7ace9265 | 3235 | |
df782309 | 3236 | if (EQ (cmd, Qt) || EQ (cmd, Qtty_menu_exit)) |
f0177f86 | 3237 | return -1; |
e648f699 EZ |
3238 | if (EQ (cmd, Qtty_menu_mouse_movement)) |
3239 | { | |
3240 | int mx, my; | |
3241 | ||
3242 | mouse_get_xy (&mx, &my); | |
3243 | *x = mx; | |
3244 | *y = my; | |
3245 | } | |
3246 | else if (EQ (cmd, Qtty_menu_next_menu)) | |
f0177f86 | 3247 | *x += 1; |
df782309 | 3248 | else if (EQ (cmd, Qtty_menu_prev_menu)) |
f0177f86 | 3249 | *x -= 1; |
df782309 EZ |
3250 | else if (EQ (cmd, Qtty_menu_next_item)) |
3251 | { | |
3252 | if (*y < max_y) | |
3253 | *y += 1; | |
3254 | } | |
3255 | else if (EQ (cmd, Qtty_menu_prev_item)) | |
3256 | { | |
3257 | if (*y > min_y) | |
3258 | *y -= 1; | |
3259 | } | |
3260 | else if (EQ (cmd, Qtty_menu_select)) | |
f0177f86 | 3261 | st = 1; |
df782309 | 3262 | else if (!EQ (cmd, Qtty_menu_ignore)) |
e648f699 | 3263 | usable_input = 0; |
f0177f86 EZ |
3264 | if (usable_input) |
3265 | sf->mouse_moved = 1; | |
0de83597 EZ |
3266 | #else |
3267 | int volatile dx = 0; | |
3268 | int volatile dy = 0; | |
3269 | int volatile st = 0; | |
3270 | ||
3271 | *x += dx; | |
3272 | *y += dy; | |
3273 | if (dx != 0 || dy != 0) | |
3274 | sf->mouse_moved = 1; | |
f0177f86 EZ |
3275 | Sleep (300); |
3276 | #endif | |
8a0529f2 EZ |
3277 | menu_x = *x; |
3278 | menu_y = *y; | |
0de83597 | 3279 | return st; |
141f1ff7 | 3280 | } |
0de83597 | 3281 | return 0; |
141f1ff7 EZ |
3282 | } |
3283 | ||
e7873136 EZ |
3284 | /* FIXME */ |
3285 | static bool mouse_visible; | |
3286 | static void | |
3287 | mouse_off (void) | |
3288 | { | |
3289 | mouse_visible = false; | |
3290 | } | |
3291 | ||
3292 | static void | |
3293 | mouse_on (void) | |
3294 | { | |
3295 | mouse_visible = true; | |
3296 | } | |
3297 | ||
3298 | static bool | |
3299 | mouse_pressed (int b, int *x, int *y) | |
3300 | { | |
3301 | return false; | |
3302 | } | |
3303 | ||
3304 | static bool | |
3305 | mouse_button_depressed (int b, int *x, int *y) | |
3306 | { | |
3307 | return false; | |
3308 | } | |
3309 | ||
3310 | static bool | |
3311 | mouse_released (int b, int *x, int *y) | |
3312 | { | |
3313 | return true; | |
3314 | } | |
3315 | ||
141f1ff7 | 3316 | /* Display menu, wait for user's response, and return that response. */ |
b5e9cbb6 EZ |
3317 | int |
3318 | tty_menu_activate (tty_menu *menu, int *pane, int *selidx, | |
3319 | int x0, int y0, char **txt, | |
3320 | void (*help_callback)(char const *, int, int)) | |
3321 | { | |
3322 | struct tty_menu_state *state; | |
e7873136 | 3323 | int statecount, x, y, i, b, leave, result, onepane; |
b5e9cbb6 EZ |
3324 | int title_faces[4]; /* face to display the menu title */ |
3325 | int faces[4], buffers_num_deleted = 0; | |
3326 | struct frame *sf = SELECTED_FRAME (); | |
28a16449 | 3327 | struct tty_display_info *tty = FRAME_TTY (sf); |
ffc3882f | 3328 | bool first_time; |
b5e9cbb6 EZ |
3329 | Lisp_Object saved_echo_area_message, selectface; |
3330 | ||
3331 | /* Don't allow non-positive x0 and y0, lest the menu will wrap | |
3332 | around the display. */ | |
3333 | if (x0 <= 0) | |
3334 | x0 = 1; | |
3335 | if (y0 <= 0) | |
3336 | y0 = 1; | |
3337 | ||
e7873136 | 3338 | #if 0 |
141f1ff7 | 3339 | /* We will process all the mouse events directly. */ |
b5e9cbb6 | 3340 | mouse_preempted++; |
e7873136 | 3341 | #endif |
b5e9cbb6 EZ |
3342 | |
3343 | state = alloca (menu->panecount * sizeof (struct tty_menu_state)); | |
141f1ff7 | 3344 | memset (state, 0, sizeof (*state)); |
b5e9cbb6 EZ |
3345 | faces[0] |
3346 | = lookup_derived_face (sf, intern ("tty-menu-disabled-face"), | |
3347 | DEFAULT_FACE_ID, 1); | |
3348 | faces[1] | |
3349 | = lookup_derived_face (sf, intern ("tty-menu-enabled-face"), | |
3350 | DEFAULT_FACE_ID, 1); | |
3351 | selectface = intern ("tty-menu-selected-face"); | |
3352 | faces[2] = lookup_derived_face (sf, selectface, | |
3353 | faces[0], 1); | |
3354 | faces[3] = lookup_derived_face (sf, selectface, | |
3355 | faces[1], 1); | |
3356 | ||
3357 | /* Make sure the menu title is always displayed with | |
50a5f95e | 3358 | `tty-menu-selected-face', no matter where the mouse pointer is. */ |
b5e9cbb6 EZ |
3359 | for (i = 0; i < 4; i++) |
3360 | title_faces[i] = faces[3]; | |
3361 | ||
3362 | statecount = 1; | |
3363 | ||
3364 | /* Don't let the title for the "Buffers" popup menu include a | |
3365 | digit (which is ugly). | |
3366 | ||
3367 | This is a terrible kludge, but I think the "Buffers" case is | |
3368 | the only one where the title includes a number, so it doesn't | |
3369 | seem to be necessary to make this more general. */ | |
3370 | if (strncmp (menu->text[0], "Buffers 1", 9) == 0) | |
3371 | { | |
3372 | menu->text[0][7] = '\0'; | |
3373 | buffers_num_deleted = 1; | |
3374 | } | |
3375 | ||
3376 | #if 0 | |
3377 | /* We need to save the current echo area message, so that we could | |
3378 | restore it below, before we exit. See the commentary below, | |
3379 | before the call to message_with_string. */ | |
3380 | saved_echo_area_message = Fcurrent_message (); | |
3381 | #endif | |
141f1ff7 EZ |
3382 | /* Force update of the current frame, so that the desired and the |
3383 | current matrices are identical. */ | |
3384 | update_frame_with_menu (sf); | |
b5e9cbb6 EZ |
3385 | state[0].menu = menu; |
3386 | mouse_off (); /* FIXME */ | |
f34729ea | 3387 | state[0].screen_behind = save_and_enable_current_matrix (sf); |
b5e9cbb6 EZ |
3388 | |
3389 | /* Turn off the cursor. Otherwise it shows through the menu | |
3390 | panes, which is ugly. */ | |
28a16449 | 3391 | tty_hide_cursor (tty); |
b5e9cbb6 | 3392 | |
ffc3882f EZ |
3393 | /* Display the menu title. We subtract 1 from x0 and y0 because we |
3394 | want to interpret them as zero-based column and row coordinates, | |
3395 | and also because we want the first item of the menu, not its | |
3396 | title, to appear at x0,y0. */ | |
bbc10837 | 3397 | tty_menu_display (menu, x0 - 1, y0 - 1, 1, title_faces, x0 - 1, y0 - 1, 0); |
b5e9cbb6 EZ |
3398 | if (buffers_num_deleted) |
3399 | menu->text[0][7] = ' '; | |
3400 | if ((onepane = menu->count == 1 && menu->submenu[0])) | |
3401 | { | |
3402 | menu->width = menu->submenu[0]->width; | |
3403 | state[0].menu = menu->submenu[0]; | |
3404 | } | |
3405 | else | |
3406 | { | |
3407 | state[0].menu = menu; | |
3408 | } | |
3409 | state[0].x = x0 - 1; | |
3410 | state[0].y = y0; | |
3411 | state[0].pane = onepane; | |
3412 | ||
141f1ff7 EZ |
3413 | x = state[0].x; |
3414 | y = state[0].y; | |
ffc3882f | 3415 | first_time = true; |
141f1ff7 | 3416 | |
b5e9cbb6 EZ |
3417 | leave = 0; |
3418 | while (!leave) | |
3419 | { | |
e7873136 | 3420 | int mouse_button_count = 3; /* FIXME */ |
f0177f86 | 3421 | int input_status; |
df782309 | 3422 | int min_y = state[0].y, max_y = min_y + state[0].menu->count - 1; |
e7873136 | 3423 | |
b5e9cbb6 | 3424 | if (!mouse_visible) mouse_on (); |
df782309 | 3425 | input_status = read_menu_input (sf, &x, &y, min_y, max_y, &first_time); |
f0177f86 EZ |
3426 | if (input_status) |
3427 | { | |
3428 | if (input_status == -1) | |
824682ea EZ |
3429 | { |
3430 | /* Remove the last help-echo, so that it doesn't | |
3431 | re-appear after "Quit". */ | |
3432 | show_help_echo (Qnil, Qnil, Qnil, Qnil); | |
3433 | result = TTYM_NO_SELECT; | |
3434 | } | |
f0177f86 EZ |
3435 | leave = 1; |
3436 | } | |
f34729ea | 3437 | if (sf->mouse_moved && input_status != -1) |
b5e9cbb6 EZ |
3438 | { |
3439 | sf->mouse_moved = 0; | |
3440 | result = TTYM_IA_SELECT; | |
b5e9cbb6 EZ |
3441 | for (i = 0; i < statecount; i++) |
3442 | if (state[i].x <= x && x < state[i].x + state[i].menu->width + 2) | |
3443 | { | |
3444 | int dy = y - state[i].y; | |
3445 | if (0 <= dy && dy < state[i].menu->count) | |
3446 | { | |
3447 | if (!state[i].menu->submenu[dy]) | |
3448 | { | |
3449 | if (state[i].menu->panenumber[dy]) | |
3450 | result = TTYM_SUCCESS; | |
3451 | else | |
3452 | result = TTYM_IA_SELECT; | |
3453 | } | |
3454 | *pane = state[i].pane - 1; | |
3455 | *selidx = dy; | |
3456 | /* We hit some part of a menu, so drop extra menus that | |
3457 | have been opened. That does not include an open and | |
3458 | active submenu. */ | |
3459 | if (i != statecount - 2 | |
3460 | || state[i].menu->submenu[dy] != state[i+1].menu) | |
3461 | while (i != statecount - 1) | |
3462 | { | |
3463 | statecount--; | |
141f1ff7 | 3464 | mouse_off (); /* FIXME */ |
e7873136 | 3465 | screen_update (sf, state[statecount].screen_behind); |
141f1ff7 | 3466 | state[statecount].screen_behind = NULL; |
b5e9cbb6 EZ |
3467 | } |
3468 | if (i == statecount - 1 && state[i].menu->submenu[dy]) | |
3469 | { | |
3470 | tty_menu_display (state[i].menu, | |
b5e9cbb6 | 3471 | state[i].x, |
ffc3882f | 3472 | state[i].y, |
b5e9cbb6 | 3473 | state[i].pane, |
bbc10837 | 3474 | faces, x, y, 1); |
b5e9cbb6 EZ |
3475 | state[statecount].menu = state[i].menu->submenu[dy]; |
3476 | state[statecount].pane = state[i].menu->panenumber[dy]; | |
141f1ff7 EZ |
3477 | mouse_off (); /* FIXME */ |
3478 | state[statecount].screen_behind | |
f34729ea | 3479 | = save_and_enable_current_matrix (sf); |
b5e9cbb6 EZ |
3480 | state[statecount].x |
3481 | = state[i].x + state[i].menu->width + 2; | |
3482 | state[statecount].y = y; | |
3483 | statecount++; | |
3484 | } | |
3485 | } | |
3486 | } | |
3487 | tty_menu_display (state[statecount - 1].menu, | |
b5e9cbb6 | 3488 | state[statecount - 1].x, |
ffc3882f | 3489 | state[statecount - 1].y, |
b5e9cbb6 | 3490 | state[statecount - 1].pane, |
bbc10837 | 3491 | faces, x, y, 1); |
b5e9cbb6 | 3492 | } |
824682ea EZ |
3493 | |
3494 | /* Display the help-echo message for the currently-selected menu | |
3495 | item. */ | |
3496 | if ((menu_help_message || prev_menu_help_message) | |
3497 | && menu_help_message != prev_menu_help_message) | |
b5e9cbb6 | 3498 | { |
824682ea EZ |
3499 | help_callback (menu_help_message, |
3500 | menu_help_paneno, menu_help_itemno); | |
3501 | tty_hide_cursor (tty); | |
3502 | prev_menu_help_message = menu_help_message; | |
b5e9cbb6 | 3503 | } |
824682ea EZ |
3504 | #if 0 |
3505 | /* We are busy-waiting for the mouse to move, so let's be nice | |
3506 | to other Windows applications by releasing our time slice. */ | |
3507 | Sleep (20); /* FIXME */ | |
3508 | ||
b5e9cbb6 EZ |
3509 | for (b = 0; b < mouse_button_count && !leave; b++) |
3510 | { | |
3511 | /* Only leave if user both pressed and released the mouse, and in | |
3512 | that order. This avoids popping down the menu pane unless | |
3513 | the user is really done with it. */ | |
3514 | if (mouse_pressed (b, &x, &y)) | |
3515 | { | |
3516 | while (mouse_button_depressed (b, &x, &y)) | |
141f1ff7 | 3517 | Sleep (20); /* FIXME */ |
b5e9cbb6 EZ |
3518 | leave = 1; |
3519 | } | |
3520 | (void) mouse_released (b, &x, &y); | |
3521 | } | |
824682ea | 3522 | #endif |
b5e9cbb6 EZ |
3523 | } |
3524 | ||
141f1ff7 | 3525 | mouse_off (); /* FIXME */ |
ffc3882f EZ |
3526 | sf->mouse_moved = 0; |
3527 | /* FIXME: Since we set the fram's garbaged flag, do we need this | |
3528 | call to screen_update? */ | |
141f1ff7 | 3529 | screen_update (sf, state[0].screen_behind); |
b5e9cbb6 EZ |
3530 | #if 0 |
3531 | /* We have a situation here. ScreenUpdate has just restored the | |
3532 | screen contents as it was before we started drawing this menu. | |
3533 | That includes any echo area message that could have been | |
3534 | displayed back then. (In reality, that echo area message will | |
3535 | almost always be the ``keystroke echo'' that echoes the sequence | |
3536 | of menu items chosen by the user.) However, if the menu had some | |
3537 | help messages, then displaying those messages caused Emacs to | |
3538 | forget about the original echo area message. So when | |
3539 | ScreenUpdate restored it, it created a discrepancy between the | |
3540 | actual screen contents and what Emacs internal data structures | |
3541 | know about it. | |
3542 | ||
3543 | To avoid this conflict, we force Emacs to restore the original | |
3544 | echo area message as we found it when we entered this function. | |
3545 | The irony of this is that we then erase the restored message | |
3546 | right away, so the only purpose of restoring it is so that | |
3547 | erasing it works correctly... */ | |
3548 | if (! NILP (saved_echo_area_message)) | |
3549 | message_with_string ("%s", saved_echo_area_message, 0); | |
3550 | message (0); | |
3551 | #endif | |
3552 | while (statecount--) | |
141f1ff7 | 3553 | free_saved_screen (state[statecount].screen_behind); |
28a16449 EZ |
3554 | tty_show_cursor (tty); /* turn cursor back on */ |
3555 | ||
3556 | /* Clean up any mouse events that are waiting inside Emacs event queue. | |
b5e9cbb6 EZ |
3557 | These events are likely to be generated before the menu was even |
3558 | displayed, probably because the user pressed and released the button | |
3559 | (which invoked the menu) too quickly. If we don't remove these events, | |
3560 | Emacs will process them after we return and surprise the user. */ | |
3561 | discard_mouse_events (); | |
e7873136 | 3562 | #if 0 |
b5e9cbb6 | 3563 | mouse_clear_clicks (); |
e7873136 EZ |
3564 | #endif |
3565 | if (!kbd_buffer_events_waiting ()) | |
b5e9cbb6 | 3566 | clear_input_pending (); |
e7873136 | 3567 | #if 0 |
b5e9cbb6 EZ |
3568 | /* Allow mouse events generation by dos_rawgetc. */ |
3569 | mouse_preempted--; | |
e7873136 | 3570 | #endif |
ffc3882f | 3571 | SET_FRAME_GARBAGED (sf); |
b5e9cbb6 EZ |
3572 | return result; |
3573 | } | |
3574 | ||
3575 | /* Dispose of a menu. */ | |
3576 | ||
3577 | void | |
3578 | tty_menu_destroy (tty_menu *menu) | |
3579 | { | |
3580 | int i; | |
3581 | if (menu->allocated) | |
3582 | { | |
3583 | for (i = 0; i < menu->count; i++) | |
3584 | if (menu->submenu[i]) | |
3585 | tty_menu_destroy (menu->submenu[i]); | |
3586 | xfree (menu->text); | |
3587 | xfree (menu->submenu); | |
3588 | xfree (menu->panenumber); | |
3589 | xfree (menu->help_text); | |
3590 | } | |
3591 | xfree (menu); | |
3592 | menu_help_message = prev_menu_help_message = NULL; | |
3593 | } | |
3594 | ||
e7873136 EZ |
3595 | static struct frame *tty_menu_help_frame; |
3596 | ||
3597 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. | |
3598 | ||
3599 | PANE is the pane number, and ITEM is the menu item number in | |
3600 | the menu (currently not used). | |
3601 | ||
3602 | This cannot be done with generating a HELP_EVENT because | |
3603 | XMenuActivate contains a loop that doesn't let Emacs process | |
3604 | keyboard events. | |
3605 | ||
3606 | FIXME: Do we need this in TTY menus? */ | |
3607 | ||
3608 | static void | |
3609 | tty_menu_help_callback (char const *help_string, int pane, int item) | |
3610 | { | |
3611 | Lisp_Object *first_item; | |
3612 | Lisp_Object pane_name; | |
3613 | Lisp_Object menu_object; | |
3614 | ||
3615 | first_item = XVECTOR (menu_items)->contents; | |
3616 | if (EQ (first_item[0], Qt)) | |
3617 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
3618 | else if (EQ (first_item[0], Qquote)) | |
3619 | /* This shouldn't happen, see xmenu_show. */ | |
3620 | pane_name = empty_unibyte_string; | |
3621 | else | |
3622 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
3623 | ||
3624 | /* (menu-item MENU-NAME PANE-NUMBER) */ | |
3625 | menu_object = list3 (Qmenu_item, pane_name, make_number (pane)); | |
3626 | show_help_echo (help_string ? build_string (help_string) : Qnil, | |
3627 | Qnil, menu_object, make_number (item)); | |
3628 | } | |
3629 | ||
3630 | static void | |
3631 | tty_pop_down_menu (Lisp_Object arg) | |
3632 | { | |
3633 | tty_menu *menu = XSAVE_POINTER (arg, 0); | |
3634 | ||
3635 | block_input (); | |
3636 | tty_menu_destroy (menu); | |
3637 | unblock_input (); | |
3638 | } | |
3639 | ||
b5e9cbb6 | 3640 | Lisp_Object |
e7873136 | 3641 | tty_menu_show (struct frame *f, int x, int y, int for_click, int keymaps, |
b5e9cbb6 EZ |
3642 | Lisp_Object title, const char **error_name) |
3643 | { | |
3644 | tty_menu *menu; | |
3645 | int pane, selidx, lpane, status; | |
3646 | Lisp_Object entry, pane_prefix; | |
3647 | char *datap; | |
3648 | int ulx, uly, width, height; | |
3649 | int dispwidth, dispheight; | |
3650 | int i, j, lines, maxlines; | |
3651 | int maxwidth; | |
3652 | int dummy_int; | |
3653 | unsigned int dummy_uint; | |
3654 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); | |
3655 | ||
3656 | if (! FRAME_TERMCAP_P (f)) | |
e7873136 | 3657 | emacs_abort (); |
b5e9cbb6 EZ |
3658 | |
3659 | *error_name = 0; | |
3660 | if (menu_items_n_panes == 0) | |
3661 | return Qnil; | |
3662 | ||
3663 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) | |
3664 | { | |
3665 | *error_name = "Empty menu"; | |
3666 | return Qnil; | |
3667 | } | |
3668 | ||
3669 | /* Make the menu on that window. */ | |
3670 | menu = tty_menu_create (); | |
3671 | if (menu == NULL) | |
3672 | { | |
3673 | *error_name = "Can't create menu"; | |
3674 | return Qnil; | |
3675 | } | |
3676 | ||
3677 | /* Don't GC while we prepare and show the menu, because we give the | |
3678 | menu functions pointers to the contents of strings. */ | |
3679 | inhibit_garbage_collection (); | |
3680 | ||
3681 | /* Adjust coordinates to be root-window-relative. */ | |
3682 | x += f->left_pos; | |
3683 | y += f->top_pos; | |
3684 | ||
3685 | /* Create all the necessary panes and their items. */ | |
3686 | maxwidth = maxlines = lines = i = 0; | |
3687 | lpane = TTYM_FAILURE; | |
3688 | while (i < menu_items_used) | |
3689 | { | |
dfe3ac02 | 3690 | if (EQ (AREF (menu_items, i), Qt)) |
b5e9cbb6 EZ |
3691 | { |
3692 | /* Create a new pane. */ | |
3693 | Lisp_Object pane_name, prefix; | |
3694 | const char *pane_string; | |
3695 | ||
3696 | maxlines = max (maxlines, lines); | |
3697 | lines = 0; | |
dfe3ac02 EZ |
3698 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
3699 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
b5e9cbb6 EZ |
3700 | pane_string = (NILP (pane_name) |
3701 | ? "" : SSDATA (pane_name)); | |
3702 | if (keymaps && !NILP (prefix)) | |
3703 | pane_string++; | |
3704 | ||
3705 | lpane = tty_menu_add_pane (menu, pane_string); | |
3706 | if (lpane == TTYM_FAILURE) | |
3707 | { | |
3708 | tty_menu_destroy (menu); | |
3709 | *error_name = "Can't create pane"; | |
3710 | return Qnil; | |
3711 | } | |
3712 | i += MENU_ITEMS_PANE_LENGTH; | |
3713 | ||
3714 | /* Find the width of the widest item in this pane. */ | |
3715 | j = i; | |
3716 | while (j < menu_items_used) | |
3717 | { | |
3718 | Lisp_Object item; | |
dfe3ac02 | 3719 | item = AREF (menu_items, j); |
b5e9cbb6 EZ |
3720 | if (EQ (item, Qt)) |
3721 | break; | |
3722 | if (NILP (item)) | |
3723 | { | |
3724 | j++; | |
3725 | continue; | |
3726 | } | |
3727 | width = SBYTES (item); | |
3728 | if (width > maxwidth) | |
3729 | maxwidth = width; | |
3730 | ||
3731 | j += MENU_ITEMS_ITEM_LENGTH; | |
3732 | } | |
3733 | } | |
3734 | /* Ignore a nil in the item list. | |
3735 | It's meaningful only for dialog boxes. */ | |
dfe3ac02 | 3736 | else if (EQ (AREF (menu_items, i), Qquote)) |
b5e9cbb6 EZ |
3737 | i += 1; |
3738 | else | |
3739 | { | |
3740 | /* Create a new item within current pane. */ | |
3741 | Lisp_Object item_name, enable, descrip, help; | |
3742 | char *item_data; | |
3743 | char const *help_string; | |
3744 | ||
dfe3ac02 EZ |
3745 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
3746 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
3747 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
3748 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
b5e9cbb6 EZ |
3749 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
3750 | ||
3751 | if (!NILP (descrip)) | |
3752 | { | |
3753 | /* if alloca is fast, use that to make the space, | |
3754 | to reduce gc needs. */ | |
3755 | item_data = (char *) alloca (maxwidth + SBYTES (descrip) + 1); | |
3756 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); | |
3757 | for (j = SCHARS (item_name); j < maxwidth; j++) | |
3758 | item_data[j] = ' '; | |
3759 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); | |
3760 | item_data[j + SBYTES (descrip)] = 0; | |
3761 | } | |
3762 | else | |
3763 | item_data = SSDATA (item_name); | |
3764 | ||
3765 | if (lpane == TTYM_FAILURE | |
3766 | || (tty_menu_add_selection (menu, lpane, item_data, | |
3767 | !NILP (enable), help_string) | |
3768 | == TTYM_FAILURE)) | |
3769 | { | |
3770 | tty_menu_destroy (menu); | |
3771 | *error_name = "Can't add selection to menu"; | |
3772 | return Qnil; | |
3773 | } | |
3774 | i += MENU_ITEMS_ITEM_LENGTH; | |
3775 | lines++; | |
3776 | } | |
3777 | } | |
3778 | ||
3779 | maxlines = max (maxlines, lines); | |
3780 | ||
3781 | /* All set and ready to fly. */ | |
3782 | dispwidth = f->text_cols; | |
3783 | dispheight = f->text_lines; | |
3784 | x = min (x, dispwidth); | |
3785 | y = min (y, dispheight); | |
3786 | x = max (x, 1); | |
3787 | y = max (y, 1); | |
3788 | tty_menu_locate (menu, x, y, &ulx, &uly, &width, &height); | |
3789 | if (ulx+width > dispwidth) | |
3790 | { | |
3791 | x -= (ulx + width) - dispwidth; | |
3792 | ulx = dispwidth - width; | |
3793 | } | |
3794 | if (uly+height > dispheight) | |
3795 | { | |
3796 | y -= (uly + height) - dispheight; | |
3797 | uly = dispheight - height; | |
3798 | } | |
3799 | ||
df782309 | 3800 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 2) |
b5e9cbb6 EZ |
3801 | { |
3802 | /* Move the menu away of the echo area, to avoid overwriting the | |
3803 | menu with help echo messages or vice versa. */ | |
3804 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
3805 | { | |
df782309 EZ |
3806 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)) + 1; |
3807 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)) + 1; | |
b5e9cbb6 EZ |
3808 | } |
3809 | else | |
3810 | { | |
df782309 EZ |
3811 | y -= 2; |
3812 | uly -= 2; | |
b5e9cbb6 EZ |
3813 | } |
3814 | } | |
3815 | ||
3816 | if (ulx < 0) x -= ulx; | |
3817 | if (uly < 0) y -= uly; | |
3818 | ||
a01f89af EZ |
3819 | #if 0 |
3820 | /* This code doesn't make sense on a TTY, since it can easily annul | |
3821 | the adjustments above that carefully avoid truncation of the menu | |
3822 | items. */ | |
b5e9cbb6 EZ |
3823 | if (! for_click) |
3824 | { | |
3825 | /* If position was not given by a mouse click, adjust so upper left | |
3826 | corner of the menu as a whole ends up at given coordinates. This | |
3827 | is what x-popup-menu says in its documentation. */ | |
3828 | x += width/2; | |
3829 | y += 1.5*height/(maxlines+2); | |
3830 | } | |
a01f89af | 3831 | #endif |
b5e9cbb6 EZ |
3832 | |
3833 | pane = selidx = 0; | |
3834 | ||
e7873136 | 3835 | record_unwind_protect (tty_pop_down_menu, make_save_ptr (menu)); |
b5e9cbb6 | 3836 | |
df782309 EZ |
3837 | tty_menu_help_frame = f; /* FIXME: This seems unused. */ |
3838 | specbind (Qoverriding_terminal_local_map, | |
3839 | Fsymbol_value (Qtty_menu_navigation_map)); | |
b5e9cbb6 | 3840 | status = tty_menu_activate (menu, &pane, &selidx, x, y, &datap, |
e7873136 | 3841 | tty_menu_help_callback); |
b5e9cbb6 EZ |
3842 | entry = pane_prefix = Qnil; |
3843 | ||
3844 | switch (status) | |
3845 | { | |
3846 | case TTYM_SUCCESS: | |
3847 | /* Find the item number SELIDX in pane number PANE. */ | |
3848 | i = 0; | |
3849 | while (i < menu_items_used) | |
3850 | { | |
dfe3ac02 | 3851 | if (EQ (AREF (menu_items, i), Qt)) |
b5e9cbb6 EZ |
3852 | { |
3853 | if (pane == 0) | |
3854 | pane_prefix | |
dfe3ac02 | 3855 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
b5e9cbb6 EZ |
3856 | pane--; |
3857 | i += MENU_ITEMS_PANE_LENGTH; | |
3858 | } | |
3859 | else | |
3860 | { | |
3861 | if (pane == -1) | |
3862 | { | |
3863 | if (selidx == 0) | |
3864 | { | |
3865 | entry | |
dfe3ac02 | 3866 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
b5e9cbb6 EZ |
3867 | if (keymaps != 0) |
3868 | { | |
3869 | entry = Fcons (entry, Qnil); | |
3870 | if (!NILP (pane_prefix)) | |
3871 | entry = Fcons (pane_prefix, entry); | |
3872 | } | |
3873 | break; | |
3874 | } | |
3875 | selidx--; | |
3876 | } | |
3877 | i += MENU_ITEMS_ITEM_LENGTH; | |
3878 | } | |
3879 | } | |
3880 | break; | |
3881 | ||
3882 | case TTYM_FAILURE: | |
3883 | *error_name = "Can't activate menu"; | |
3884 | case TTYM_IA_SELECT: | |
3885 | break; | |
3886 | case TTYM_NO_SELECT: | |
3887 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means | |
3888 | the menu was invoked with a mouse event as POSITION). */ | |
3889 | if (! for_click) | |
3890 | Fsignal (Qquit, Qnil); | |
3891 | break; | |
3892 | } | |
3893 | ||
3894 | unbind_to (specpdl_count, Qnil); | |
3895 | ||
3896 | return entry; | |
3897 | } | |
3898 | ||
3899 | #endif /* HAVE_MENUS && !MSDOS */ | |
3900 | ||
3901 | \f | |
89ba96f4 | 3902 | #ifndef MSDOS |
a168702a GM |
3903 | /*********************************************************************** |
3904 | Initialization | |
3905 | ***********************************************************************/ | |
3906 | ||
ed8dad6b KL |
3907 | /* Initialize the tty-dependent part of frame F. The frame must |
3908 | already have its device initialized. */ | |
3224dac1 | 3909 | |
dfcf069d | 3910 | void |
ed8dad6b | 3911 | create_tty_output (struct frame *f) |
28d440ab | 3912 | { |
38182d90 | 3913 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b | 3914 | |
9c253307 | 3915 | eassert (FRAME_TERMCAP_P (f)); |
b6660415 | 3916 | |
6ed8eeff | 3917 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3918 | |
ed8dad6b | 3919 | f->output_data.tty = t; |
3224dac1 KL |
3920 | } |
3921 | ||
9f215d25 | 3922 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3923 | |
ed8dad6b | 3924 | static void |
9f215d25 | 3925 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3926 | { |
9c253307 | 3927 | eassert (FRAME_TERMCAP_P (f)); |
3224dac1 | 3928 | |
9f215d25 CY |
3929 | if (FRAME_FACE_CACHE (f)) |
3930 | free_frame_faces (f); | |
3931 | ||
ed8dad6b | 3932 | xfree (f->output_data.tty); |
28d440ab KL |
3933 | } |
3934 | ||
89ba96f4 EZ |
3935 | #else /* MSDOS */ |
3936 | ||
3937 | /* Delete frame F's face cache. */ | |
3938 | ||
3939 | static void | |
3940 | tty_free_frame_resources (struct frame *f) | |
3941 | { | |
9c253307 | 3942 | eassert (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)); |
89ba96f4 EZ |
3943 | |
3944 | if (FRAME_FACE_CACHE (f)) | |
3945 | free_frame_faces (f); | |
3946 | } | |
3947 | #endif /* MSDOS */ | |
ed8dad6b | 3948 | \f |
47cc8819 | 3949 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3950 | |
4a665758 KL |
3951 | static void |
3952 | clear_tty_hooks (struct terminal *terminal) | |
3953 | { | |
3954 | terminal->rif = 0; | |
3955 | terminal->cursor_to_hook = 0; | |
3956 | terminal->raw_cursor_to_hook = 0; | |
3957 | terminal->clear_to_end_hook = 0; | |
3958 | terminal->clear_frame_hook = 0; | |
3959 | terminal->clear_end_of_line_hook = 0; | |
3960 | terminal->ins_del_lines_hook = 0; | |
3961 | terminal->insert_glyphs_hook = 0; | |
3962 | terminal->write_glyphs_hook = 0; | |
3963 | terminal->delete_glyphs_hook = 0; | |
3964 | terminal->ring_bell_hook = 0; | |
3965 | terminal->reset_terminal_modes_hook = 0; | |
3966 | terminal->set_terminal_modes_hook = 0; | |
3967 | terminal->update_begin_hook = 0; | |
3968 | terminal->update_end_hook = 0; | |
3969 | terminal->set_terminal_window_hook = 0; | |
3970 | terminal->mouse_position_hook = 0; | |
3971 | terminal->frame_rehighlight_hook = 0; | |
3972 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3973 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3974 | terminal->set_vertical_scroll_bar_hook = 0; |
3975 | terminal->condemn_scroll_bars_hook = 0; | |
3976 | terminal->redeem_scroll_bar_hook = 0; | |
3977 | terminal->judge_scroll_bars_hook = 0; | |
3978 | terminal->read_socket_hook = 0; | |
3979 | terminal->frame_up_to_date_hook = 0; | |
3980 | ||
3981 | /* Leave these two set, or suspended frames are not deleted | |
3982 | correctly. */ | |
9f215d25 | 3983 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3984 | terminal->delete_terminal_hook = &delete_tty; |
3985 | } | |
3986 | ||
47cc8819 DN |
3987 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3988 | ||
4a665758 KL |
3989 | static void |
3990 | set_tty_hooks (struct terminal *terminal) | |
3991 | { | |
3992 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3993 | ||
3994 | terminal->cursor_to_hook = &tty_cursor_to; | |
3995 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3996 | ||
3997 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3998 | terminal->clear_frame_hook = &tty_clear_frame; | |
3999 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
4000 | ||
4001 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
4002 | ||
4003 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
4004 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
4005 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
4006 | ||
4007 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 4008 | |
4a665758 KL |
4009 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
4010 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
4011 | terminal->update_begin_hook = 0; /* Not needed. */ | |
4012 | terminal->update_end_hook = &tty_update_end; | |
4013 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
4014 | ||
4015 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
4016 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
4017 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
4018 | ||
4019 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
4020 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
4021 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
4022 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
4023 | ||
4024 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
4025 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 4026 | |
9f215d25 | 4027 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
4028 | terminal->delete_terminal_hook = &delete_tty; |
4029 | } | |
4030 | ||
b8956427 | 4031 | /* If FD is the controlling terminal, drop it. */ |
ed8dad6b | 4032 | static void |
03a1d6bd KL |
4033 | dissociate_if_controlling_tty (int fd) |
4034 | { | |
b8956427 PE |
4035 | /* If tcgetpgrp succeeds, fd is the controlling terminal, |
4036 | so dissociate it by invoking setsid. */ | |
908589fd | 4037 | if (tcgetpgrp (fd) >= 0 && setsid () < 0) |
03a1d6bd | 4038 | { |
b8956427 PE |
4039 | #ifdef TIOCNOTTY |
4040 | /* setsid failed, presumably because Emacs is already a process | |
4041 | group leader. Fall back on the obsolescent way to dissociate | |
4042 | a controlling tty. */ | |
4043 | block_tty_out_signal (); | |
4044 | ioctl (fd, TIOCNOTTY, 0); | |
4045 | unblock_tty_out_signal (); | |
4046 | #endif | |
71a96040 | 4047 | } |
03a1d6bd KL |
4048 | } |
4049 | ||
3224dac1 KL |
4050 | /* Create a termcap display on the tty device with the given name and |
4051 | type. | |
4052 | ||
ab797f65 | 4053 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
4054 | Otherwise NAME should be a path to the tty device file, |
4055 | e.g. "/dev/pts/7". | |
28d440ab | 4056 | |
3224dac1 KL |
4057 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
4058 | ||
a104f656 | 4059 | If MUST_SUCCEED is true, then all errors are fatal. */ |
da8e1115 | 4060 | |
6ed8eeff | 4061 | struct terminal * |
653d4f43 | 4062 | init_tty (const char *name, const char *terminal_type, bool must_succeed) |
08a24c47 | 4063 | { |
1fc8eb33 PE |
4064 | #ifdef TERMINFO |
4065 | char **address = 0; | |
4066 | #else | |
4067 | char *area; | |
08a24c47 | 4068 | char **address = &area; |
1fc8eb33 | 4069 | #endif |
08a24c47 | 4070 | int status; |
59b3194c KL |
4071 | struct tty_display_info *tty = NULL; |
4072 | struct terminal *terminal = NULL; | |
a104f656 | 4073 | bool ctty = false; /* True if asked to open controlling tty. */ |
28d440ab | 4074 | |
3224dac1 | 4075 | if (!terminal_type) |
d31eee5e | 4076 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
4077 | "Unknown terminal type", |
4078 | "Unknown terminal type"); | |
b6660415 | 4079 | |
ab797f65 | 4080 | if (name == NULL) |
78048085 EZ |
4081 | name = DEV_TTY; |
4082 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
4083 | ctty = 1; |
4084 | ||
6ed8eeff KL |
4085 | /* If we already have a terminal on the given device, use that. If |
4086 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 4087 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 4088 | always create a new terminal and separating terminal and frame |
b6660415 | 4089 | creation on Lisp level. */ |
6ed8eeff KL |
4090 | terminal = get_named_tty (name); |
4091 | if (terminal) | |
4092 | return terminal; | |
78048085 | 4093 | |
6ed8eeff | 4094 | terminal = create_terminal (); |
84704c5c EZ |
4095 | #ifdef MSDOS |
4096 | if (been_here > 0) | |
762b15be | 4097 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
4098 | name, ""); |
4099 | been_here = 1; | |
4100 | tty = &the_only_display_info; | |
4101 | #else | |
38182d90 | 4102 | tty = xzalloc (sizeof *tty); |
84704c5c | 4103 | #endif |
c650a5de | 4104 | tty->top_frame = Qnil; |
3224dac1 KL |
4105 | tty->next = tty_list; |
4106 | tty_list = tty; | |
428a555e | 4107 | |
6ed8eeff KL |
4108 | terminal->type = output_termcap; |
4109 | terminal->display_info.tty = tty; | |
4110 | tty->terminal = terminal; | |
28d440ab | 4111 | |
38182d90 | 4112 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 4113 | Wcm_clear (tty); |
daf01701 | 4114 | |
dce4c2ac DN |
4115 | encode_terminal_src_size = 0; |
4116 | encode_terminal_dst_size = 0; | |
4117 | ||
51b59d79 | 4118 | |
84704c5c | 4119 | #ifndef DOS_NT |
4a665758 | 4120 | set_tty_hooks (terminal); |
78048085 | 4121 | |
59b3194c | 4122 | { |
49cdacda | 4123 | /* Open the terminal device. */ |
0c72d684 | 4124 | |
49cdacda PE |
4125 | /* If !ctty, don't recognize it as our controlling terminal, and |
4126 | don't make it the controlling tty if we don't have one now. | |
97c6058a | 4127 | |
49cdacda PE |
4128 | Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
4129 | defined on Hurd. On other systems, we need to explicitly | |
4130 | dissociate ourselves from the controlling tty when we want to | |
4131 | open a frame on the same terminal. */ | |
4132 | int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY); | |
4133 | int fd = emacs_open (name, flags, 0); | |
ef30e638 | 4134 | tty->input = tty->output = fd < 0 || ! isatty (fd) ? 0 : fdopen (fd, "w+"); |
0c72d684 | 4135 | |
ef30e638 | 4136 | if (! tty->input) |
59b3194c | 4137 | { |
ef30e638 PE |
4138 | char const *diagnostic |
4139 | = tty->input ? "Not a tty device: %s" : "Could not open file: %s"; | |
4140 | emacs_close (fd); | |
4141 | maybe_fatal (must_succeed, terminal, diagnostic, diagnostic, name); | |
59b3194c | 4142 | } |
0c72d684 | 4143 | |
ef30e638 PE |
4144 | tty->name = xstrdup (name); |
4145 | terminal->name = xstrdup (name); | |
59b3194c | 4146 | |
49cdacda | 4147 | if (!O_IGNORE_CTTY && !ctty) |
03a1d6bd | 4148 | dissociate_if_controlling_tty (fd); |
59b3194c | 4149 | } |
78048085 | 4150 | |
28d7d09f | 4151 | tty->type = xstrdup (terminal_type); |
28d440ab | 4152 | |
819b8f00 | 4153 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 4154 | |
6548cf00 | 4155 | Wcm_clear (tty); |
08a24c47 | 4156 | |
03a1d6bd | 4157 | /* On some systems, tgetent tries to access the controlling |
a104f656 | 4158 | terminal. */ |
b8956427 | 4159 | block_tty_out_signal (); |
1fc8eb33 PE |
4160 | #ifdef TERMINFO |
4161 | status = tgetent (0, terminal_type); | |
4162 | #else | |
d31eee5e | 4163 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
1fc8eb33 PE |
4164 | if (tty->termcap_term_buffer[TERMCAP_BUFFER_SIZE - 1]) |
4165 | emacs_abort (); | |
4166 | #endif | |
b8956427 | 4167 | unblock_tty_out_signal (); |
78048085 | 4168 | |
08a24c47 | 4169 | if (status < 0) |
b0347178 KH |
4170 | { |
4171 | #ifdef TERMINFO | |
d31eee5e | 4172 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4173 | "Cannot open terminfo database file", |
4174 | "Cannot open terminfo database file"); | |
b0347178 | 4175 | #else |
d31eee5e | 4176 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4177 | "Cannot open termcap database file", |
4178 | "Cannot open termcap database file"); | |
b0347178 KH |
4179 | #endif |
4180 | } | |
08a24c47 | 4181 | if (status == 0) |
b0347178 | 4182 | { |
d31eee5e | 4183 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4184 | "Terminal type %s is not defined", |
4185 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
4186 | If that is not the actual type of terminal you have,\n\ |
4187 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
4188 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
4189 | #ifdef TERMINFO | |
4190 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 4191 | #else |
84164a0d | 4192 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 4193 | #endif |
84164a0d | 4194 | terminal_type); |
b0347178 | 4195 | } |
6b61353c KH |
4196 | |
4197 | #ifndef TERMINFO | |
1fc8eb33 | 4198 | area = tty->termcap_strings_buffer; |
6b61353c | 4199 | #endif |
fca177d4 KL |
4200 | tty->TS_ins_line = tgetstr ("al", address); |
4201 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
4202 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 4203 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
4204 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
4205 | tty->TS_clr_line = tgetstr ("ce", address); | |
4206 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
4207 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
4208 | AbsPosition (tty) = tgetstr ("cm", address); | |
4209 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
4210 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
4211 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 4212 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
4213 | tty->TS_del_char = tgetstr ("dc", address); |
4214 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
4215 | tty->TS_del_line = tgetstr ("dl", address); | |
4216 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
4217 | tty->TS_delete_mode = tgetstr ("dm", address); | |
4218 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
4219 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 4220 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
4221 | tty->TS_ins_char = tgetstr ("ic", address); |
4222 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
4223 | tty->TS_insert_mode = tgetstr ("im", address); | |
4224 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
4225 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
4226 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
4227 | LastLine (tty) = tgetstr ("ll", address); |
4228 | Right (tty) = tgetstr ("nd", address); | |
4229 | Down (tty) = tgetstr ("do", address); | |
4230 | if (!Down (tty)) | |
a104f656 | 4231 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do". */ |
08a24c47 | 4232 | if (tgetflag ("bs")) |
a104f656 SM |
4233 | Left (tty) = "\b"; /* Can't possibly be longer! */ |
4234 | else /* (Actually, "bs" is obsolete...) */ | |
6548cf00 KL |
4235 | Left (tty) = tgetstr ("le", address); |
4236 | if (!Left (tty)) | |
a104f656 | 4237 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le". */ |
fca177d4 KL |
4238 | tty->TS_pad_char = tgetstr ("pc", address); |
4239 | tty->TS_repeat = tgetstr ("rp", address); | |
4240 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
4241 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
4242 | tty->TS_standout_mode = tgetstr ("so", address); | |
4243 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 4244 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
4245 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
4246 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 4247 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
4248 | tty->TS_visible_bell = tgetstr ("vb", address); |
4249 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
4250 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
4251 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
4252 | tty->TS_set_window = tgetstr ("wi", address); | |
4253 | ||
4254 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
4255 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
4256 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 4257 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 4258 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
4259 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
4260 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
4261 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
4262 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 4263 | |
6548cf00 KL |
4264 | MultiUp (tty) = tgetstr ("UP", address); |
4265 | MultiDown (tty) = tgetstr ("DO", address); | |
4266 | MultiLeft (tty) = tgetstr ("LE", address); | |
4267 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 4268 | |
5c32d3f2 | 4269 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
4270 | color because we can't switch back to the default foreground and |
4271 | background. */ | |
fca177d4 KL |
4272 | tty->TS_orig_pair = tgetstr ("op", address); |
4273 | if (tty->TS_orig_pair) | |
a168702a | 4274 | { |
fca177d4 KL |
4275 | tty->TS_set_foreground = tgetstr ("AF", address); |
4276 | tty->TS_set_background = tgetstr ("AB", address); | |
4277 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
4278 | { |
4279 | /* SVr4. */ | |
fca177d4 KL |
4280 | tty->TS_set_foreground = tgetstr ("Sf", address); |
4281 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 4282 | } |
177c0ea7 | 4283 | |
fca177d4 KL |
4284 | tty->TN_max_colors = tgetnum ("Co"); |
4285 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 4286 | |
fca177d4 KL |
4287 | tty->TN_no_color_video = tgetnum ("NC"); |
4288 | if (tty->TN_no_color_video == -1) | |
4289 | tty->TN_no_color_video = 0; | |
a168702a | 4290 | } |
a168702a | 4291 | |
fca177d4 | 4292 | tty_default_color_capabilities (tty, 1); |
ace28297 | 4293 | |
6548cf00 | 4294 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
4295 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
4296 | the former flag imply the latter. */ | |
6548cf00 | 4297 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 4298 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 4299 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 4300 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
4301 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
4302 | tty->TF_insmode_motion = tgetflag ("mi"); | |
4303 | tty->TF_standout_motion = tgetflag ("ms"); | |
4304 | tty->TF_underscore = tgetflag ("ul"); | |
4305 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 4306 | |
dce4c2ac DN |
4307 | #else /* DOS_NT */ |
4308 | #ifdef WINDOWSNT | |
4309 | { | |
4310 | struct frame *f = XFRAME (selected_frame); | |
9337e206 | 4311 | int height, width; |
dce4c2ac | 4312 | |
9337e206 | 4313 | initialize_w32_display (terminal, &width, &height); |
dce4c2ac | 4314 | |
9337e206 EZ |
4315 | FrameRows (tty) = height; |
4316 | FrameCols (tty) = width; | |
4317 | tty->specified_window = height; | |
dce4c2ac | 4318 | |
dce4c2ac DN |
4319 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; |
4320 | terminal->char_ins_del_ok = 1; | |
4321 | baud_rate = 19200; | |
4322 | } | |
4323 | #else /* MSDOS */ | |
4324 | { | |
4325 | int height, width; | |
4326 | if (strcmp (terminal_type, "internal") == 0) | |
4327 | terminal->type = output_msdos_raw; | |
4328 | initialize_msdos_display (terminal); | |
4329 | ||
4330 | get_tty_size (fileno (tty->input), &width, &height); | |
4331 | FrameCols (tty) = width; | |
4332 | FrameRows (tty) = height; | |
4333 | terminal->char_ins_del_ok = 0; | |
4334 | init_baud_rate (fileno (tty->input)); | |
4335 | } | |
4336 | #endif /* MSDOS */ | |
4337 | tty->output = stdout; | |
4338 | tty->input = stdin; | |
4339 | /* The following two are inaccessible from w32console.c. */ | |
4340 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
4341 | terminal->delete_terminal_hook = &delete_tty; | |
4342 | ||
4343 | tty->name = xstrdup (name); | |
4344 | terminal->name = xstrdup (name); | |
4345 | tty->type = xstrdup (terminal_type); | |
4346 | ||
4347 | add_keyboard_wait_descriptor (0); | |
4348 | ||
dce4c2ac DN |
4349 | tty->delete_in_insert_mode = 1; |
4350 | ||
4351 | UseTabs (tty) = 0; | |
4352 | terminal->scroll_region_ok = 0; | |
4353 | ||
4354 | /* Seems to insert lines when it's not supposed to, messing up the | |
4355 | display. In doing a trace, it didn't seem to be called much, so I | |
4356 | don't think we're losing anything by turning it off. */ | |
4357 | terminal->line_ins_del_ok = 0; | |
4358 | ||
a104f656 | 4359 | tty->TN_max_colors = 16; /* Must be non-zero for tty-display-color-p. */ |
dce4c2ac DN |
4360 | #endif /* DOS_NT */ |
4361 | ||
6bc8cd65 JB |
4362 | #ifdef HAVE_GPM |
4363 | terminal->mouse_position_hook = term_mouse_position; | |
4364 | tty->mouse_highlight.mouse_face_window = Qnil; | |
4365 | #endif | |
4366 | ||
38182d90 | 4367 | terminal->kboard = xmalloc (sizeof *terminal->kboard); |
6ed8eeff | 4368 | init_kboard (terminal->kboard); |
15dbb4d6 | 4369 | kset_window_system (terminal->kboard, Qnil); |
6ed8eeff KL |
4370 | terminal->kboard->next_kboard = all_kboards; |
4371 | all_kboards = terminal->kboard; | |
4372 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
4373 | /* Don't let the initial kboard remain current longer than necessary. |
4374 | That would cause problems if a file loaded on startup tries to | |
4375 | prompt in the mini-buffer. */ | |
4376 | if (current_kboard == initial_kboard) | |
6ed8eeff | 4377 | current_kboard = terminal->kboard; |
84704c5c | 4378 | #ifndef DOS_NT |
6ed8eeff | 4379 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 4380 | |
ff11dfa1 | 4381 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
4382 | { |
4383 | int height, width; | |
0b0d3e0b | 4384 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
4385 | FrameCols (tty) = width; |
4386 | FrameRows (tty) = height; | |
3b12ce12 RS |
4387 | } |
4388 | ||
0a125897 KL |
4389 | if (FrameCols (tty) <= 0) |
4390 | FrameCols (tty) = tgetnum ("co"); | |
4391 | if (FrameRows (tty) <= 0) | |
4392 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 4393 | |
0a125897 | 4394 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 4395 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 4396 | "Screen size %dx%d is too small", |
3224dac1 | 4397 | "Screen size %dx%d is too small", |
0a125897 | 4398 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 4399 | |
6548cf00 | 4400 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 4401 | |
fca177d4 KL |
4402 | if (!tty->TS_bell) |
4403 | tty->TS_bell = "\07"; | |
08a24c47 | 4404 | |
fca177d4 KL |
4405 | if (!tty->TS_fwd_scroll) |
4406 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 4407 | |
fca177d4 | 4408 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 4409 | |
6548cf00 KL |
4410 | if (TabWidth (tty) < 0) |
4411 | TabWidth (tty) = 8; | |
177c0ea7 | 4412 | |
08a24c47 JB |
4413 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
4414 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
4415 | if (!tty->Wcm->cm_tab) |
4416 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
4417 | */ |
4418 | ||
54800acb MB |
4419 | /* We don't support standout modes that use `magic cookies', so |
4420 | turn off any that do. */ | |
fca177d4 | 4421 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 4422 | { |
fca177d4 KL |
4423 | tty->TS_standout_mode = 0; |
4424 | tty->TS_end_standout_mode = 0; | |
54800acb | 4425 | } |
fca177d4 | 4426 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 4427 | { |
fca177d4 KL |
4428 | tty->TS_enter_underline_mode = 0; |
4429 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
4430 | } |
4431 | ||
4432 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 4433 | if (tty->TS_standout_mode == 0) |
08a24c47 | 4434 | { |
fca177d4 KL |
4435 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
4436 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
4437 | } |
4438 | ||
afd359c4 RS |
4439 | /* If no `se' string, try using a `me' string instead. |
4440 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 4441 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 4442 | { |
e4bfb3b6 | 4443 | char *s = tgetstr ("me", address); |
afd359c4 | 4444 | if (s != 0) |
fca177d4 | 4445 | tty->TS_end_standout_mode = s; |
afd359c4 | 4446 | else |
fca177d4 | 4447 | tty->TS_standout_mode = 0; |
afd359c4 RS |
4448 | } |
4449 | ||
fca177d4 | 4450 | if (tty->TF_teleray) |
08a24c47 | 4451 | { |
6548cf00 | 4452 | tty->Wcm->cm_tab = 0; |
54800acb | 4453 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 4454 | tty->TS_standout_mode = 0; |
a104f656 | 4455 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 4456 | CR (tty) = 0; |
a104f656 SM |
4457 | /* LF can't be trusted either -- can alter hpos. */ |
4458 | /* If move at column 0 thru a line with TS_standout_mode. */ | |
6548cf00 | 4459 | Down (tty) = 0; |
08a24c47 JB |
4460 | } |
4461 | ||
0a125897 | 4462 | tty->specified_window = FrameRows (tty); |
08a24c47 | 4463 | |
a104f656 | 4464 | if (Wcm_init (tty) == -1) /* Can't do cursor motion. */ |
3224dac1 | 4465 | { |
d31eee5e | 4466 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 4467 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 4468 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
4469 | It lacks the ability to position the cursor.\n\ |
4470 | If that is not the actual type of terminal you have,\n\ | |
4471 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
4472 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
4473 | # ifdef TERMINFO | |
4474 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 4475 | # else /* TERMCAP */ |
84164a0d | 4476 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 4477 | # endif /* TERMINFO */ |
3224dac1 | 4478 | terminal_type); |
fca177d4 | 4479 | } |
daf01701 | 4480 | |
0a125897 | 4481 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 4482 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4483 | "Could not determine the frame size", |
4484 | "Could not determine the frame size"); | |
08a24c47 | 4485 | |
fca177d4 KL |
4486 | tty->delete_in_insert_mode |
4487 | = tty->TS_delete_mode && tty->TS_insert_mode | |
4488 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 4489 | |
0b0d3e0b | 4490 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 4491 | |
6ed8eeff | 4492 | terminal->scroll_region_ok |
6548cf00 | 4493 | = (tty->Wcm->cm_abs |
fca177d4 | 4494 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 4495 | |
6ed8eeff | 4496 | terminal->line_ins_del_ok |
fca177d4 KL |
4497 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
4498 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 4499 | || (terminal->scroll_region_ok |
fca177d4 | 4500 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 4501 | |
6ed8eeff | 4502 | terminal->char_ins_del_ok |
fca177d4 KL |
4503 | = ((tty->TS_ins_char || tty->TS_insert_mode |
4504 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
4505 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 4506 | |
6ed8eeff | 4507 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 4508 | |
0b0d3e0b | 4509 | init_baud_rate (fileno (tty->input)); |
20a558dc | 4510 | |
84704c5c | 4511 | #endif /* not DOS_NT */ |
635e3b29 | 4512 | |
0a125897 KL |
4513 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
4514 | init_sys_modes (tty); | |
daf01701 | 4515 | |
6ed8eeff | 4516 | return terminal; |
08a24c47 JB |
4517 | } |
4518 | ||
b3ffc17c DN |
4519 | |
4520 | static void | |
4521 | vfatal (const char *str, va_list ap) | |
4522 | { | |
4523 | fprintf (stderr, "emacs: "); | |
4524 | vfprintf (stderr, str, ap); | |
4525 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
4526 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
4527 | fflush (stderr); |
4528 | exit (1); | |
4529 | } | |
4530 | ||
4531 | ||
a4c6993d | 4532 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 4533 | Delete TERMINAL, then call error or fatal with str1 or str2, |
653d4f43 | 4534 | respectively, according to whether MUST_SUCCEED is true. */ |
6b61353c | 4535 | |
3224dac1 | 4536 | static void |
653d4f43 | 4537 | maybe_fatal (bool must_succeed, struct terminal *terminal, |
b3ffc17c | 4538 | const char *str1, const char *str2, ...) |
3224dac1 | 4539 | { |
b3ffc17c DN |
4540 | va_list ap; |
4541 | va_start (ap, str2); | |
6ed8eeff KL |
4542 | if (terminal) |
4543 | delete_tty (terminal); | |
f4d953fc | 4544 | |
3224dac1 | 4545 | if (must_succeed) |
b3ffc17c | 4546 | vfatal (str2, ap); |
3224dac1 | 4547 | else |
b3ffc17c | 4548 | verror (str1, ap); |
08a24c47 JB |
4549 | } |
4550 | ||
dfcf069d | 4551 | void |
7c401d15 | 4552 | fatal (const char *str, ...) |
08a24c47 | 4553 | { |
7c401d15 DN |
4554 | va_list ap; |
4555 | va_start (ap, str); | |
b3ffc17c | 4556 | vfatal (str, ap); |
08a24c47 | 4557 | } |
07c57952 | 4558 | |
819b8f00 KL |
4559 | \f |
4560 | ||
6ed8eeff | 4561 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 4562 | |
ed8dad6b | 4563 | static void |
6ed8eeff | 4564 | delete_tty (struct terminal *terminal) |
072d84a6 | 4565 | { |
428a555e | 4566 | struct tty_display_info *tty; |
f4d953fc | 4567 | |
e2749141 | 4568 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 4569 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 4570 | if (!terminal->name) |
0a125897 | 4571 | return; |
fca177d4 | 4572 | |
9c253307 | 4573 | eassert (terminal->type == output_termcap); |
428a555e | 4574 | |
6ed8eeff | 4575 | tty = terminal->display_info.tty; |
f4d953fc | 4576 | |
fca177d4 KL |
4577 | if (tty == tty_list) |
4578 | tty_list = tty->next; | |
4579 | else | |
4580 | { | |
28d7d09f | 4581 | struct tty_display_info *p; |
fca177d4 KL |
4582 | for (p = tty_list; p && p->next != tty; p = p->next) |
4583 | ; | |
4584 | ||
4585 | if (! p) | |
4586 | /* This should not happen. */ | |
1088b922 | 4587 | emacs_abort (); |
fca177d4 | 4588 | |
0a125897 KL |
4589 | p->next = tty->next; |
4590 | tty->next = 0; | |
fca177d4 KL |
4591 | } |
4592 | ||
7e59217d | 4593 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 4594 | before delete_terminal. */ |
04c3243c | 4595 | reset_sys_modes (tty); |
fca177d4 | 4596 | |
6ed8eeff | 4597 | delete_terminal (terminal); |
3224dac1 | 4598 | |
70fdbb46 JM |
4599 | xfree (tty->name); |
4600 | xfree (tty->type); | |
daf01701 | 4601 | |
fca177d4 | 4602 | if (tty->input) |
819b8f00 KL |
4603 | { |
4604 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
4605 | if (tty->input != stdin) | |
4606 | fclose (tty->input); | |
4607 | } | |
4608 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
4609 | fclose (tty->output); |
4610 | if (tty->termscript) | |
4611 | fclose (tty->termscript); | |
daf01701 | 4612 | |
70fdbb46 JM |
4613 | xfree (tty->old_tty); |
4614 | xfree (tty->Wcm); | |
fca177d4 | 4615 | xfree (tty); |
fca177d4 KL |
4616 | } |
4617 | ||
dfcf069d | 4618 | void |
d3da34e0 | 4619 | syms_of_term (void) |
07c57952 | 4620 | { |
29208e82 | 4621 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 4622 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 4623 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4624 | #ifdef TERMINFO |
4625 | system_uses_terminfo = 1; | |
4626 | #else | |
4627 | system_uses_terminfo = 0; | |
4628 | #endif | |
c291d9ef | 4629 | |
29208e82 | 4630 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 4631 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 4632 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 4633 | See `suspend-tty'. */); |
e4019195 | 4634 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4635 | |
4636 | ||
29208e82 | 4637 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 4638 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 4639 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 4640 | See `resume-tty'. */); |
e4019195 | 4641 | Vresume_tty_functions = Qnil; |
a168702a | 4642 | |
29208e82 | 4643 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
4644 | doc: /* Non-nil means to make the cursor very visible. |
4645 | This only has an effect when running in a text terminal. | |
4646 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4647 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4648 | visible_cursor = 1; | |
4649 | ||
a168702a | 4650 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4651 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4652 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4653 | defsubr (&Stty_type); |
4654 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 4655 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
4656 | defsubr (&Ssuspend_tty); |
4657 | defsubr (&Sresume_tty); | |
7e5a23bd | 4658 | #ifdef HAVE_GPM |
6178ce5e SM |
4659 | defsubr (&Sgpm_mouse_start); |
4660 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 4661 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4662 | |
84704c5c | 4663 | #ifndef DOS_NT |
3a7c5d40 CY |
4664 | default_orig_pair = NULL; |
4665 | default_set_foreground = NULL; | |
4666 | default_set_background = NULL; | |
84704c5c | 4667 | #endif /* !DOS_NT */ |
d31eee5e CY |
4668 | |
4669 | encode_terminal_src = NULL; | |
4670 | encode_terminal_dst = NULL; | |
f0177f86 | 4671 | |
df782309 EZ |
4672 | DEFSYM (Qtty_menu_next_item, "tty-menu-next-item"); |
4673 | DEFSYM (Qtty_menu_prev_item, "tty-menu-prev-item"); | |
4674 | DEFSYM (Qtty_menu_next_menu, "tty-menu-next-menu"); | |
4675 | DEFSYM (Qtty_menu_prev_menu, "tty-menu-prev-menu"); | |
4676 | DEFSYM (Qtty_menu_select, "tty-menu-select"); | |
4677 | DEFSYM (Qtty_menu_ignore, "tty-menu-ignore"); | |
4678 | DEFSYM (Qtty_menu_exit, "tty-menu-exit"); | |
e648f699 | 4679 | DEFSYM (Qtty_menu_mouse_movement, "tty-menu-mouse-movement"); |
df782309 | 4680 | DEFSYM (Qtty_menu_navigation_map, "tty-menu-navigation-map"); |
07c57952 | 4681 | } |