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 | |
c7a7f318 EZ |
54 | #ifdef USE_X_TOOLKIT |
55 | #include "../lwlib/lwlib.h" | |
56 | #endif | |
57 | ||
eccec691 | 58 | #include "cm.h" |
dfcf069d AS |
59 | #ifdef HAVE_X_WINDOWS |
60 | #include "xterm.h" | |
61 | #endif | |
c8951b18 | 62 | |
b5e9cbb6 | 63 | #include "menu.h" |
6b61353c | 64 | |
78048085 EZ |
65 | /* The name of the default console device. */ |
66 | #ifdef WINDOWSNT | |
67 | #define DEV_TTY "CONOUT$" | |
a68089e4 | 68 | #include "w32term.h" |
78048085 EZ |
69 | #else |
70 | #define DEV_TTY "/dev/tty" | |
71 | #endif | |
a168702a | 72 | |
f57e2426 J |
73 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
74 | static void turn_on_face (struct frame *, int face_id); | |
75 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 76 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
77 | static void tty_show_cursor (struct tty_display_info *); |
78 | static void tty_hide_cursor (struct tty_display_info *); | |
79 | static void tty_background_highlight (struct tty_display_info *tty); | |
653d4f43 | 80 | static struct terminal *get_tty_terminal (Lisp_Object, bool); |
f57e2426 J |
81 | static void clear_tty_hooks (struct terminal *terminal); |
82 | static void set_tty_hooks (struct terminal *terminal); | |
83 | static void dissociate_if_controlling_tty (int fd); | |
84 | static void delete_tty (struct terminal *); | |
653d4f43 PE |
85 | static _Noreturn void maybe_fatal (bool, struct terminal *, |
86 | const char *, const char *, ...) | |
845ca893 PE |
87 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); |
88 | static _Noreturn void vfatal (const char *str, va_list ap) | |
89 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 90 | |
a168702a | 91 | |
6548cf00 KL |
92 | #define OUTPUT(tty, a) \ |
93 | emacs_tputs ((tty), a, \ | |
653d4f43 | 94 | FRAME_LINES (XFRAME (selected_frame)) - curY (tty), \ |
6548cf00 KL |
95 | cmputc) |
96 | ||
28d440ab KL |
97 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
98 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 99 | |
28d440ab | 100 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
101 | do { \ |
102 | if (a) \ | |
b286858c | 103 | OUTPUT (tty, a); \ |
6548cf00 | 104 | } while (0) |
177c0ea7 | 105 | |
28d440ab | 106 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 107 | |
f46c2aff | 108 | /* Display space properties */ |
08a24c47 | 109 | |
428a555e | 110 | /* Chain of all tty device parameters. */ |
28d7d09f | 111 | struct tty_display_info *tty_list; |
08a24c47 | 112 | |
4e6ba4a4 GM |
113 | /* Meaning of bits in no_color_video. Each bit set means that the |
114 | corresponding attribute cannot be combined with colors. */ | |
115 | ||
116 | enum no_color_bit | |
117 | { | |
118 | NC_STANDOUT = 1 << 0, | |
119 | NC_UNDERLINE = 1 << 1, | |
120 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 121 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
122 | NC_DIM = 1 << 4, |
123 | NC_BOLD = 1 << 5, | |
124 | NC_INVIS = 1 << 6, | |
cd4eb164 | 125 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
126 | }; |
127 | ||
08a24c47 JB |
128 | /* internal state */ |
129 | ||
8dd0c7cb | 130 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 131 | |
64520e5c | 132 | static int max_frame_cols; |
a168702a | 133 | |
08a24c47 | 134 | \f |
cb28b9c2 | 135 | |
7e5a23bd | 136 | #ifdef HAVE_GPM |
e882229c | 137 | #include <sys/fcntl.h> |
e882229c | 138 | |
71f44e7a SM |
139 | /* The device for which we have enabled gpm support (or NULL). */ |
140 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 141 | |
cf482c50 | 142 | /* Last recorded mouse coordinates. */ |
e882229c | 143 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 144 | #endif /* HAVE_GPM */ |
e882229c | 145 | |
da8e1115 | 146 | /* Ring the bell on a tty. */ |
c291d9ef | 147 | |
ed8dad6b | 148 | static void |
385ed61f | 149 | tty_ring_bell (struct frame *f) |
3224dac1 | 150 | { |
3224dac1 | 151 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 152 | |
b6660415 KL |
153 | if (tty->output) |
154 | { | |
155 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
156 | ? tty->TS_visible_bell | |
157 | : tty->TS_bell)); | |
158 | fflush (tty->output); | |
08a24c47 | 159 | } |
08a24c47 JB |
160 | } |
161 | ||
da8e1115 KL |
162 | /* Set up termcap modes for Emacs. */ |
163 | ||
64520e5c | 164 | static void |
6ed8eeff | 165 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 166 | { |
6ed8eeff | 167 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 168 | |
0b0d3e0b | 169 | if (tty->output) |
08a24c47 | 170 | { |
fbf34973 KL |
171 | if (tty->TS_termcap_modes) |
172 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 173 | else |
fbf34973 KL |
174 | { |
175 | /* Output enough newlines to scroll all the old screen contents | |
176 | off the screen, so it won't be overwritten and lost. */ | |
177 | int i; | |
a3c07f68 | 178 | current_tty = tty; |
fbf34973 | 179 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 180 | cmputc ('\n'); |
fbf34973 KL |
181 | } |
182 | ||
b58cb614 | 183 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
184 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
185 | losecursor (tty); | |
2f98e6e3 | 186 | fflush (tty->output); |
08a24c47 | 187 | } |
08a24c47 JB |
188 | } |
189 | ||
da8e1115 KL |
190 | /* Reset termcap modes before exiting Emacs. */ |
191 | ||
64520e5c | 192 | static void |
6ed8eeff | 193 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 194 | { |
6ed8eeff | 195 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
196 | |
197 | if (tty->output) | |
08a24c47 | 198 | { |
ed8dad6b KL |
199 | tty_turn_off_highlight (tty); |
200 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
201 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
202 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
203 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
204 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 205 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 206 | current_tty = tty; |
d284f58f | 207 | cmputc ('\r'); |
2f98e6e3 | 208 | fflush (tty->output); |
08a24c47 | 209 | } |
08a24c47 JB |
210 | } |
211 | ||
6ed8eeff | 212 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 213 | |
ed8dad6b | 214 | static void |
3224dac1 | 215 | tty_update_end (struct frame *f) |
08a24c47 | 216 | { |
3224dac1 | 217 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 218 | |
3224dac1 KL |
219 | if (!XWINDOW (selected_window)->cursor_off_p) |
220 | tty_show_cursor (tty); | |
ed8dad6b KL |
221 | tty_turn_off_insert (tty); |
222 | tty_background_highlight (tty); | |
08a24c47 JB |
223 | } |
224 | ||
da8e1115 KL |
225 | /* The implementation of set_terminal_window for termcap frames. */ |
226 | ||
ed8dad6b | 227 | static void |
385ed61f | 228 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 229 | { |
3224dac1 KL |
230 | struct tty_display_info *tty = FRAME_TTY (f); |
231 | ||
232 | tty->specified_window = size ? size : FRAME_LINES (f); | |
233 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 234 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
235 | } |
236 | ||
ed8dad6b KL |
237 | static void |
238 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
239 | { |
240 | char *buf; | |
28d7d09f | 241 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 242 | |
fca177d4 | 243 | if (tty->TS_set_scroll_region) |
50938595 | 244 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
245 | else if (tty->TS_set_scroll_region_1) |
246 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
247 | FRAME_LINES (f), start, |
248 | FRAME_LINES (f) - stop, | |
249 | FRAME_LINES (f)); | |
08a24c47 | 250 | else |
fca177d4 | 251 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 252 | |
6548cf00 | 253 | OUTPUT (tty, buf); |
9ac0d9e0 | 254 | xfree (buf); |
6548cf00 | 255 | losecursor (tty); |
08a24c47 | 256 | } |
d284f58f | 257 | |
08a24c47 | 258 | \f |
d284f58f | 259 | static void |
ed8dad6b | 260 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 261 | { |
fca177d4 KL |
262 | if (!tty->insert_mode) |
263 | OUTPUT (tty, tty->TS_insert_mode); | |
264 | tty->insert_mode = 1; | |
08a24c47 JB |
265 | } |
266 | ||
dfcf069d | 267 | void |
ed8dad6b | 268 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 269 | { |
fca177d4 KL |
270 | if (tty->insert_mode) |
271 | OUTPUT (tty, tty->TS_end_insert_mode); | |
272 | tty->insert_mode = 0; | |
08a24c47 JB |
273 | } |
274 | \f | |
54800acb | 275 | /* Handle highlighting. */ |
08a24c47 | 276 | |
64520e5c | 277 | static void |
ed8dad6b | 278 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 279 | { |
fca177d4 KL |
280 | if (tty->standout_mode) |
281 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
282 | tty->standout_mode = 0; | |
08a24c47 JB |
283 | } |
284 | ||
d284f58f | 285 | static void |
ed8dad6b | 286 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 287 | { |
fca177d4 KL |
288 | if (!tty->standout_mode) |
289 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
290 | tty->standout_mode = 1; | |
08a24c47 JB |
291 | } |
292 | ||
86a7d192 | 293 | static void |
ed8dad6b | 294 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 295 | { |
fca177d4 | 296 | if (tty->standout_mode) |
ed8dad6b | 297 | tty_turn_off_highlight (tty); |
86a7d192 | 298 | else |
ed8dad6b | 299 | tty_turn_on_highlight (tty); |
86a7d192 GM |
300 | } |
301 | ||
a168702a GM |
302 | |
303 | /* Make cursor invisible. */ | |
304 | ||
305 | static void | |
28d7d09f | 306 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 307 | { |
fca177d4 | 308 | if (tty->cursor_hidden == 0) |
d284f58f | 309 | { |
fca177d4 | 310 | tty->cursor_hidden = 1; |
28a16449 EZ |
311 | #ifdef WINDOWSNT |
312 | w32con_hide_cursor (); | |
313 | #else | |
fca177d4 | 314 | OUTPUT_IF (tty, tty->TS_cursor_invisible); |
28a16449 | 315 | #endif |
d284f58f | 316 | } |
a168702a GM |
317 | } |
318 | ||
319 | ||
320 | /* Ensure that cursor is visible. */ | |
321 | ||
322 | static void | |
28d7d09f | 323 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 324 | { |
fca177d4 | 325 | if (tty->cursor_hidden) |
d284f58f | 326 | { |
fca177d4 | 327 | tty->cursor_hidden = 0; |
28a16449 EZ |
328 | #ifdef WINDOWSNT |
329 | w32con_show_cursor (); | |
330 | #else | |
fca177d4 | 331 | OUTPUT_IF (tty, tty->TS_cursor_normal); |
0db017c0 | 332 | if (visible_cursor) |
b58cb614 | 333 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
28a16449 | 334 | #endif |
d284f58f | 335 | } |
a168702a GM |
336 | } |
337 | ||
338 | ||
08a24c47 JB |
339 | /* Set standout mode to the state it should be in for |
340 | empty space inside windows. What this is, | |
341 | depends on the user option inverse-video. */ | |
342 | ||
ed8dad6b KL |
343 | static void |
344 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 345 | { |
08a24c47 | 346 | if (inverse_video) |
ed8dad6b | 347 | tty_turn_on_highlight (tty); |
08a24c47 | 348 | else |
ed8dad6b | 349 | tty_turn_off_highlight (tty); |
08a24c47 JB |
350 | } |
351 | ||
352 | /* Set standout mode to the mode specified for the text to be output. */ | |
353 | ||
dfcf069d | 354 | static void |
ed8dad6b | 355 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 356 | { |
8ede64a5 | 357 | if (inverse_video) |
ed8dad6b | 358 | tty_turn_on_highlight (tty); |
8ede64a5 | 359 | else |
ed8dad6b | 360 | tty_turn_off_highlight (tty); |
08a24c47 JB |
361 | } |
362 | \f | |
363 | ||
a168702a GM |
364 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
365 | frame-relative coordinates. */ | |
08a24c47 | 366 | |
ed8dad6b | 367 | static void |
385ed61f | 368 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 369 | { |
3224dac1 | 370 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 371 | |
36cae867 KH |
372 | /* Detect the case where we are called from reset_sys_modes |
373 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 374 | if (! tty->costs_set) |
36cae867 KH |
375 | return; |
376 | ||
6548cf00 KL |
377 | if (curY (tty) == vpos |
378 | && curX (tty) == hpos) | |
08a24c47 | 379 | return; |
fca177d4 | 380 | if (!tty->TF_standout_motion) |
ed8dad6b | 381 | tty_background_highlight (tty); |
fca177d4 | 382 | if (!tty->TF_insmode_motion) |
ed8dad6b | 383 | tty_turn_off_insert (tty); |
6548cf00 | 384 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
385 | } |
386 | ||
387 | /* Similar but don't take any account of the wasted characters. */ | |
388 | ||
ed8dad6b | 389 | static void |
385ed61f | 390 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 391 | { |
3224dac1 KL |
392 | struct tty_display_info *tty = FRAME_TTY (f); |
393 | ||
6548cf00 KL |
394 | if (curY (tty) == row |
395 | && curX (tty) == col) | |
08a24c47 | 396 | return; |
fca177d4 | 397 | if (!tty->TF_standout_motion) |
ed8dad6b | 398 | tty_background_highlight (tty); |
fca177d4 | 399 | if (!tty->TF_insmode_motion) |
ed8dad6b | 400 | tty_turn_off_insert (tty); |
6548cf00 | 401 | cmgoto (tty, row, col); |
08a24c47 JB |
402 | } |
403 | \f | |
404 | /* Erase operations */ | |
405 | ||
da8e1115 KL |
406 | /* Clear from cursor to end of frame on a termcap device. */ |
407 | ||
ed8dad6b | 408 | static void |
385ed61f | 409 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
410 | { |
411 | register int i; | |
3224dac1 | 412 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 413 | |
fca177d4 | 414 | if (tty->TS_clr_to_bottom) |
08a24c47 | 415 | { |
ed8dad6b | 416 | tty_background_highlight (tty); |
fca177d4 | 417 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
418 | } |
419 | else | |
420 | { | |
6548cf00 | 421 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 422 | { |
385ed61f KL |
423 | cursor_to (f, i, 0); |
424 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
425 | } |
426 | } | |
427 | } | |
428 | ||
da8e1115 | 429 | /* Clear an entire termcap frame. */ |
08a24c47 | 430 | |
ed8dad6b | 431 | static void |
385ed61f | 432 | tty_clear_frame (struct frame *f) |
08a24c47 | 433 | { |
3224dac1 | 434 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 435 | |
fca177d4 | 436 | if (tty->TS_clr_frame) |
08a24c47 | 437 | { |
ed8dad6b | 438 | tty_background_highlight (tty); |
fca177d4 | 439 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 440 | cmat (tty, 0, 0); |
08a24c47 JB |
441 | } |
442 | else | |
443 | { | |
385ed61f KL |
444 | cursor_to (f, 0, 0); |
445 | clear_to_end (f); | |
08a24c47 JB |
446 | } |
447 | } | |
448 | ||
da8e1115 | 449 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
450 | |
451 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
452 | ||
ed8dad6b | 453 | static void |
385ed61f | 454 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
455 | { |
456 | register int i; | |
3224dac1 | 457 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 458 | |
36cae867 KH |
459 | /* Detect the case where we are called from reset_sys_modes |
460 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 461 | if (! tty->costs_set) |
36cae867 KH |
462 | return; |
463 | ||
6548cf00 | 464 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 465 | return; |
ed8dad6b | 466 | tty_background_highlight (tty); |
fca177d4 | 467 | if (tty->TS_clr_line) |
08a24c47 | 468 | { |
fca177d4 | 469 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
470 | } |
471 | else | |
472 | { /* have to do it the hard way */ | |
ed8dad6b | 473 | tty_turn_off_insert (tty); |
08a24c47 | 474 | |
a168702a | 475 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 476 | if (AutoWrap (tty) |
0a125897 KL |
477 | && curY (tty) == FrameRows (tty) - 1 |
478 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
479 | first_unused_hpos--; |
480 | ||
6548cf00 | 481 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 482 | { |
0b0d3e0b KL |
483 | if (tty->termscript) |
484 | fputc (' ', tty->termscript); | |
485 | fputc (' ', tty->output); | |
08a24c47 | 486 | } |
6548cf00 | 487 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
488 | } |
489 | } | |
490 | \f | |
288d5132 KH |
491 | /* Buffers to store the source and result of code conversion for terminal. */ |
492 | static unsigned char *encode_terminal_src; | |
493 | static unsigned char *encode_terminal_dst; | |
494 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
495 | static ptrdiff_t encode_terminal_src_size; |
496 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
497 | |
498 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
499 | Set CODING->produced to the byte-length of the resulting byte | |
500 | sequence, and return a pointer to that byte sequence. */ | |
501 | ||
7ef4b50c | 502 | unsigned char * |
d3da34e0 | 503 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 504 | { |
feef4f84 | 505 | struct glyph *src_end = src + src_len; |
288d5132 | 506 | unsigned char *buf; |
fee31f82 PE |
507 | ptrdiff_t nchars, nbytes, required; |
508 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 509 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 510 | Lisp_Object charset_list; |
c5a518df | 511 | |
288d5132 KH |
512 | /* Allocate sufficient size of buffer to store all characters in |
513 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
514 | Vglyph_table contains a string or a composite glyph is |
515 | encountered. */ | |
fee31f82 PE |
516 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
517 | memory_full (SIZE_MAX); | |
518 | required = src_len; | |
519 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
520 | if (encode_terminal_src_size < required) |
521 | { | |
fee31f82 | 522 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
523 | encode_terminal_src_size = required; |
524 | } | |
6589fd67 | 525 | |
288d5132 | 526 | charset_list = coding_charset_list (coding); |
a4decb7f | 527 | |
288d5132 KH |
528 | buf = encode_terminal_src; |
529 | nchars = 0; | |
530 | while (src < src_end) | |
a4decb7f | 531 | { |
4c12d738 KH |
532 | if (src->type == COMPOSITE_GLYPH) |
533 | { | |
c2ed9c8b PE |
534 | struct composition *cmp IF_LINT (= NULL); |
535 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
536 | int i; |
537 | ||
538 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
539 | if (src->u.cmp.automatic) |
540 | { | |
541 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 542 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
543 | } |
544 | else | |
545 | { | |
546 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
547 | required = cmp->glyph_len; |
548 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 549 | } |
4c12d738 | 550 | |
fee31f82 | 551 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 552 | { |
0065d054 PE |
553 | encode_terminal_src = |
554 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
555 | required - (encode_terminal_src_size - nbytes), | |
556 | -1, 1); | |
4c12d738 KH |
557 | buf = encode_terminal_src + nbytes; |
558 | } | |
559 | ||
75a10786 | 560 | if (src->u.cmp.automatic) |
4be9765d | 561 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
562 | { |
563 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
564 | int c = LGLYPH_CHAR (g); | |
565 | ||
566 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 567 | c = '?'; |
75a10786 KH |
568 | buf += CHAR_STRING (c, buf); |
569 | nchars++; | |
570 | } | |
571 | else | |
572 | for (i = 0; i < cmp->glyph_len; i++) | |
573 | { | |
574 | int c = COMPOSITION_GLYPH (cmp, i); | |
575 | ||
bd01620e EZ |
576 | /* TAB in a composition means display glyphs with |
577 | padding space on the left or right. */ | |
d0984aff KH |
578 | if (c == '\t') |
579 | continue; | |
580 | if (char_charset (c, charset_list, NULL)) | |
581 | { | |
582 | if (CHAR_WIDTH (c) == 0 | |
583 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
584 | /* Should be left-padded */ | |
585 | { | |
586 | buf += CHAR_STRING (' ', buf); | |
587 | nchars++; | |
588 | } | |
589 | } | |
590 | else | |
591 | c = '?'; | |
75a10786 KH |
592 | buf += CHAR_STRING (c, buf); |
593 | nchars++; | |
594 | } | |
4c12d738 | 595 | } |
a4decb7f | 596 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 597 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 598 | { |
f4d953fc | 599 | GLYPH g; |
c2ed9c8b | 600 | int c IF_LINT (= 0); |
288d5132 KH |
601 | Lisp_Object string; |
602 | ||
4ae0a2c0 | 603 | string = Qnil; |
f4d953fc | 604 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 605 | |
f4d953fc | 606 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 607 | { |
f185a758 | 608 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
609 | c = src->u.ch; |
610 | } | |
32de38e4 | 611 | else |
a4decb7f | 612 | { |
32de38e4 | 613 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
614 | so process any alias before testing for simpleness. */ |
615 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
616 | |
617 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
618 | /* We set the multi-byte form of a character in G |
619 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 620 | c = GLYPH_CHAR (g); |
32de38e4 | 621 | else |
4ae0a2c0 | 622 | /* We have a string in Vglyph_table. */ |
f4d953fc | 623 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 624 | } |
177c0ea7 | 625 | |
4ae0a2c0 | 626 | if (NILP (string)) |
c42869c4 | 627 | { |
4c12d738 | 628 | nbytes = buf - encode_terminal_src; |
fee31f82 | 629 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 630 | { |
0065d054 PE |
631 | encode_terminal_src = |
632 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
633 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
634 | buf = encode_terminal_src + nbytes; |
635 | } | |
d419e1d9 KH |
636 | if (CHAR_BYTE8_P (c) |
637 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 638 | { |
288d5132 KH |
639 | /* Store the multibyte form of C at BUF. */ |
640 | buf += CHAR_STRING (c, buf); | |
641 | nchars++; | |
c5a518df KH |
642 | } |
643 | else | |
644 | { | |
288d5132 KH |
645 | /* C is not encodable. */ |
646 | *buf++ = '?'; | |
c5a518df | 647 | nchars++; |
288d5132 KH |
648 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
649 | { | |
650 | *buf++ = '?'; | |
651 | nchars++; | |
652 | src++; | |
653 | } | |
c5a518df | 654 | } |
4ae0a2c0 KH |
655 | } |
656 | else | |
657 | { | |
288d5132 KH |
658 | if (! STRING_MULTIBYTE (string)) |
659 | string = string_to_multibyte (string); | |
660 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 661 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 662 | { |
0065d054 PE |
663 | encode_terminal_src = |
664 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
665 | (SBYTES (string) | |
666 | - (encode_terminal_src_size - nbytes)), | |
667 | -1, 1); | |
288d5132 | 668 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 669 | } |
72af86bd | 670 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
671 | buf += SBYTES (string); |
672 | nchars += SCHARS (string); | |
c42869c4 | 673 | } |
a4decb7f | 674 | } |
288d5132 KH |
675 | src++; |
676 | } | |
677 | ||
678 | if (nchars == 0) | |
679 | { | |
680 | coding->produced = 0; | |
681 | return NULL; | |
a4decb7f | 682 | } |
177c0ea7 | 683 | |
288d5132 KH |
684 | nbytes = buf - encode_terminal_src; |
685 | coding->source = encode_terminal_src; | |
686 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 687 | { |
fee31f82 PE |
688 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
689 | encode_terminal_src_size); | |
288d5132 | 690 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 691 | } |
288d5132 KH |
692 | coding->destination = encode_terminal_dst; |
693 | coding->dst_bytes = encode_terminal_dst_size; | |
694 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 695 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
696 | encode_terminal_dst = coding->destination; |
697 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 698 | |
288d5132 | 699 | return (encode_terminal_dst); |
a4decb7f KH |
700 | } |
701 | ||
08a24c47 | 702 | |
c73bd236 | 703 | |
da8e1115 KL |
704 | /* An implementation of write_glyphs for termcap frames. */ |
705 | ||
ed8dad6b | 706 | static void |
385ed61f | 707 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 708 | { |
288d5132 KH |
709 | unsigned char *conversion_buffer; |
710 | struct coding_system *coding; | |
653d4f43 | 711 | int n, stringlen; |
08a24c47 | 712 | |
3224dac1 | 713 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 714 | |
ed8dad6b | 715 | tty_turn_off_insert (tty); |
fca177d4 | 716 | tty_hide_cursor (tty); |
08a24c47 | 717 | |
a168702a | 718 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 719 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 720 | |
6548cf00 KL |
721 | if (AutoWrap (tty) |
722 | && curY (tty) + 1 == FRAME_LINES (f) | |
723 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 724 | len --; |
a4decb7f KH |
725 | if (len <= 0) |
726 | return; | |
08a24c47 | 727 | |
6548cf00 | 728 | cmplus (tty, len); |
177c0ea7 | 729 | |
af645abf KH |
730 | /* If terminal_coding does any conversion, use it, otherwise use |
731 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
732 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
733 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
734 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
735 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
736 | the tail. */ | |
af645abf | 737 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 738 | |
5c5cdd39 | 739 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 740 | { |
a168702a | 741 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 742 | int face_id = string->face_id; |
177c0ea7 | 743 | |
5c5cdd39 | 744 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 745 | if (string[n].face_id != face_id) |
a168702a GM |
746 | break; |
747 | ||
748 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 749 | tty_highlight_if_desired (tty); |
a168702a GM |
750 | turn_on_face (f, face_id); |
751 | ||
5c5cdd39 | 752 | if (n == stringlen) |
288d5132 KH |
753 | /* This is the last run. */ |
754 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
755 | conversion_buffer = encode_terminal_code (string, n, coding); | |
756 | if (coding->produced > 0) | |
08a24c47 | 757 | { |
4d7e6e51 | 758 | block_input (); |
fad2f685 KL |
759 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
760 | if (ferror (tty->output)) | |
761 | clearerr (tty->output); | |
762 | if (tty->termscript) | |
763 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 764 | unblock_input (); |
08a24c47 | 765 | } |
288d5132 | 766 | string += n; |
a168702a GM |
767 | |
768 | /* Turn appearance modes off. */ | |
769 | turn_off_face (f, face_id); | |
ed8dad6b | 770 | tty_turn_off_highlight (tty); |
a4decb7f | 771 | } |
177c0ea7 | 772 | |
6548cf00 | 773 | cmcheckmagic (tty); |
08a24c47 JB |
774 | } |
775 | ||
b870aa61 SM |
776 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
777 | ||
7be1c21a | 778 | static void |
d3da34e0 JB |
779 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
780 | register int len, register int face_id) | |
e882229c | 781 | { |
e882229c NR |
782 | unsigned char *conversion_buffer; |
783 | struct coding_system *coding; | |
784 | ||
7be1c21a MB |
785 | struct tty_display_info *tty = FRAME_TTY (f); |
786 | ||
787 | tty_turn_off_insert (tty); | |
788 | tty_hide_cursor (tty); | |
e882229c NR |
789 | |
790 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
791 | since that would scroll the whole frame on some terminals. */ | |
792 | ||
7be1c21a MB |
793 | if (AutoWrap (tty) |
794 | && curY (tty) + 1 == FRAME_LINES (f) | |
795 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
796 | len --; |
797 | if (len <= 0) | |
798 | return; | |
799 | ||
7be1c21a | 800 | cmplus (tty, len); |
e882229c NR |
801 | |
802 | /* If terminal_coding does any conversion, use it, otherwise use | |
803 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
804 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
805 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
806 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
807 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
808 | the tail. */ | |
809 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
810 | ||
e882229c | 811 | /* Turn appearance modes of the face. */ |
7be1c21a | 812 | tty_highlight_if_desired (tty); |
e882229c NR |
813 | turn_on_face (f, face_id); |
814 | ||
815 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
816 | conversion_buffer = encode_terminal_code (string, len, coding); | |
817 | if (coding->produced > 0) | |
818 | { | |
4d7e6e51 | 819 | block_input (); |
7be1c21a MB |
820 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
821 | if (ferror (tty->output)) | |
822 | clearerr (tty->output); | |
823 | if (tty->termscript) | |
824 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 825 | unblock_input (); |
e882229c NR |
826 | } |
827 | ||
828 | /* Turn appearance modes off. */ | |
829 | turn_off_face (f, face_id); | |
7be1c21a | 830 | tty_turn_off_highlight (tty); |
e882229c | 831 | |
7be1c21a | 832 | cmcheckmagic (tty); |
e882229c | 833 | } |
b870aa61 | 834 | #endif |
e882229c | 835 | |
da8e1115 | 836 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 837 | |
ed8dad6b | 838 | static void |
385ed61f | 839 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
840 | { |
841 | char *buf; | |
6bbd7a29 | 842 | struct glyph *glyph = NULL; |
af645abf KH |
843 | unsigned char *conversion_buffer; |
844 | unsigned char space[1]; | |
845 | struct coding_system *coding; | |
08a24c47 | 846 | |
3224dac1 | 847 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 848 | |
fca177d4 | 849 | if (tty->TS_ins_multi_chars) |
08a24c47 | 850 | { |
50938595 | 851 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 852 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 853 | xfree (buf); |
08a24c47 | 854 | if (start) |
385ed61f | 855 | write_glyphs (f, start, len); |
08a24c47 JB |
856 | return; |
857 | } | |
858 | ||
ed8dad6b | 859 | tty_turn_on_insert (tty); |
6548cf00 | 860 | cmplus (tty, len); |
288d5132 KH |
861 | |
862 | if (! start) | |
863 | space[0] = SPACEGLYPH; | |
864 | ||
865 | /* If terminal_coding does any conversion, use it, otherwise use | |
866 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
867 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
868 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
869 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
870 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
871 | the tail. */ | |
872 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
873 | ||
07109bf9 | 874 | while (len-- > 0) |
08a24c47 | 875 | { |
fca177d4 | 876 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 877 | if (!start) |
32de38e4 | 878 | { |
288d5132 KH |
879 | conversion_buffer = space; |
880 | coding->produced = 1; | |
32de38e4 | 881 | } |
08a24c47 | 882 | else |
08a24c47 | 883 | { |
ed8dad6b | 884 | tty_highlight_if_desired (tty); |
32de38e4 | 885 | turn_on_face (f, start->face_id); |
816be8b8 | 886 | glyph = start; |
a168702a | 887 | ++start; |
a4decb7f KH |
888 | /* We must open sufficient space for a character which |
889 | occupies more than one column. */ | |
a168702a | 890 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 891 | { |
fca177d4 | 892 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
893 | start++, len--; |
894 | } | |
288d5132 KH |
895 | |
896 | if (len <= 0) | |
897 | /* This is the last glyph. */ | |
898 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
899 | ||
fad2f685 | 900 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 901 | } |
a4decb7f | 902 | |
288d5132 | 903 | if (coding->produced > 0) |
08a24c47 | 904 | { |
4d7e6e51 | 905 | block_input (); |
fad2f685 | 906 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
907 | if (ferror (tty->output)) |
908 | clearerr (tty->output); | |
909 | if (tty->termscript) | |
fad2f685 | 910 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
4d7e6e51 | 911 | unblock_input (); |
08a24c47 JB |
912 | } |
913 | ||
fca177d4 | 914 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 915 | if (start) |
65aa5e85 GM |
916 | { |
917 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 918 | tty_turn_off_highlight (tty); |
65aa5e85 | 919 | } |
9a6b6f92 | 920 | } |
177c0ea7 | 921 | |
6548cf00 | 922 | cmcheckmagic (tty); |
08a24c47 JB |
923 | } |
924 | ||
da8e1115 KL |
925 | /* An implementation of delete_glyphs for termcap frames. */ |
926 | ||
ed8dad6b | 927 | static void |
385ed61f | 928 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
929 | { |
930 | char *buf; | |
931 | register int i; | |
932 | ||
3224dac1 | 933 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 934 | |
fca177d4 | 935 | if (tty->delete_in_insert_mode) |
08a24c47 | 936 | { |
ed8dad6b | 937 | tty_turn_on_insert (tty); |
08a24c47 JB |
938 | } |
939 | else | |
940 | { | |
ed8dad6b | 941 | tty_turn_off_insert (tty); |
fca177d4 | 942 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
943 | } |
944 | ||
fca177d4 | 945 | if (tty->TS_del_multi_chars) |
08a24c47 | 946 | { |
50938595 | 947 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 948 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 949 | xfree (buf); |
08a24c47 JB |
950 | } |
951 | else | |
952 | for (i = 0; i < n; i++) | |
fca177d4 KL |
953 | OUTPUT1 (tty, tty->TS_del_char); |
954 | if (!tty->delete_in_insert_mode) | |
955 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
956 | } |
957 | \f | |
da8e1115 | 958 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 959 | |
ed8dad6b | 960 | static void |
385ed61f | 961 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 962 | { |
3224dac1 | 963 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
964 | const char *multi = |
965 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
966 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
967 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 | 968 | |
71376d4b PE |
969 | int i = eabs (n); |
970 | char *buf; | |
08a24c47 | 971 | |
08a24c47 JB |
972 | /* If the lines below the insertion are being pushed |
973 | into the end of the window, this is the same as clearing; | |
974 | and we know the lines are already clear, since the matching | |
975 | deletion has already been done. So can ignore this. */ | |
976 | /* If the lines below the deletion are blank lines coming | |
977 | out of the end of the window, don't bother, | |
978 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
979 | if (FRAME_SCROLL_REGION_OK (f) |
980 | && vpos + i >= tty->specified_window) | |
08a24c47 | 981 | return; |
3224dac1 KL |
982 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
983 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 984 | return; |
f4d953fc | 985 | |
08a24c47 JB |
986 | if (multi) |
987 | { | |
6839f1e2 | 988 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 989 | tty_background_highlight (tty); |
50938595 | 990 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 991 | OUTPUT (tty, buf); |
9ac0d9e0 | 992 | xfree (buf); |
08a24c47 JB |
993 | } |
994 | else if (single) | |
995 | { | |
6839f1e2 | 996 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 997 | tty_background_highlight (tty); |
08a24c47 | 998 | while (--i >= 0) |
3224dac1 KL |
999 | OUTPUT (tty, single); |
1000 | if (tty->TF_teleray) | |
1001 | curX (tty) = 0; | |
08a24c47 JB |
1002 | } |
1003 | else | |
1004 | { | |
ed8dad6b | 1005 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1006 | if (n < 0) |
6839f1e2 | 1007 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1008 | else |
6839f1e2 | 1009 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1010 | tty_background_highlight (tty); |
08a24c47 | 1011 | while (--i >= 0) |
3224dac1 | 1012 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1013 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1014 | } |
f4d953fc | 1015 | |
3224dac1 KL |
1016 | if (!FRAME_SCROLL_REGION_OK (f) |
1017 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1018 | && n < 0) | |
08a24c47 | 1019 | { |
385ed61f KL |
1020 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1021 | clear_to_end (f); | |
08a24c47 JB |
1022 | } |
1023 | } | |
1024 | \f | |
1025 | /* Compute cost of sending "str", in characters, | |
1026 | not counting any line-dependent padding. */ | |
1027 | ||
1028 | int | |
8ea90aa3 | 1029 | string_cost (const char *str) |
08a24c47 JB |
1030 | { |
1031 | cost = 0; | |
1032 | if (str) | |
1033 | tputs (str, 0, evalcost); | |
1034 | return cost; | |
1035 | } | |
1036 | ||
1037 | /* Compute cost of sending "str", in characters, | |
1038 | counting any line-dependent padding at one line. */ | |
1039 | ||
1040 | static int | |
8ea90aa3 | 1041 | string_cost_one_line (const char *str) |
08a24c47 JB |
1042 | { |
1043 | cost = 0; | |
1044 | if (str) | |
1045 | tputs (str, 1, evalcost); | |
1046 | return cost; | |
1047 | } | |
1048 | ||
1049 | /* Compute per line amount of line-dependent padding, | |
1050 | in tenths of characters. */ | |
1051 | ||
1052 | int | |
8ea90aa3 | 1053 | per_line_cost (const char *str) |
08a24c47 JB |
1054 | { |
1055 | cost = 0; | |
1056 | if (str) | |
1057 | tputs (str, 0, evalcost); | |
1058 | cost = - cost; | |
1059 | if (str) | |
1060 | tputs (str, 10, evalcost); | |
1061 | return cost; | |
1062 | } | |
1063 | ||
08a24c47 | 1064 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1065 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1066 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1067 | |
1068 | int *char_ins_del_vector; | |
1069 | ||
9882535b | 1070 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1071 | |
1072 | /* ARGSUSED */ | |
1073 | static void | |
6839f1e2 | 1074 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1075 | { |
28d7d09f | 1076 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1077 | int ins_startup_cost, del_startup_cost; |
1078 | int ins_cost_per_char, del_cost_per_char; | |
1079 | register int i; | |
1080 | register int *p; | |
1081 | ||
fca177d4 | 1082 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1083 | { |
1084 | ins_cost_per_char = 0; | |
fca177d4 | 1085 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1086 | } |
fca177d4 KL |
1087 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1088 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1089 | { |
fca177d4 KL |
1090 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1091 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1092 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1093 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1094 | } |
1095 | else | |
1096 | { | |
1097 | ins_startup_cost = 9999; | |
1098 | ins_cost_per_char = 0; | |
1099 | } | |
1100 | ||
fca177d4 | 1101 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1102 | { |
1103 | del_cost_per_char = 0; | |
fca177d4 | 1104 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1105 | } |
fca177d4 | 1106 | else if (tty->TS_del_char) |
08a24c47 | 1107 | { |
fca177d4 KL |
1108 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1109 | + string_cost (tty->TS_end_delete_mode)); | |
1110 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1111 | del_startup_cost /= 2; |
fca177d4 | 1112 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1113 | } |
1114 | else | |
1115 | { | |
1116 | del_startup_cost = 9999; | |
1117 | del_cost_per_char = 0; | |
1118 | } | |
1119 | ||
1120 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1121 | p = &char_ins_del_cost (f)[0]; |
1122 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1123 | *--p = (del_startup_cost += del_cost_per_char); |
1124 | ||
1125 | /* Doing nothing is free */ | |
fca177d4 | 1126 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1127 | *p++ = 0; |
1128 | ||
1129 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1130 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1131 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1132 | } | |
1133 | ||
dfcf069d | 1134 | void |
6839f1e2 | 1135 | calculate_costs (struct frame *frame) |
08a24c47 | 1136 | { |
9f732a77 | 1137 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1138 | |
28d440ab | 1139 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1140 | { |
1141 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1142 | register const char *f = (tty->TS_set_scroll_region |
1143 | ? tty->TS_set_scroll_region | |
1144 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1145 | |
daf01701 | 1146 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1147 | |
daf01701 | 1148 | tty->costs_set = 1; |
08a24c47 | 1149 | |
daf01701 KL |
1150 | /* These variables are only used for terminal stuff. They are |
1151 | allocated once for the terminal frame of X-windows emacs, but not | |
1152 | used afterwards. | |
8dd0c7cb | 1153 | |
daf01701 KL |
1154 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1155 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1156 | |
daf01701 | 1157 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1158 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1159 | < max_frame_cols) | |
fee31f82 | 1160 | memory_full (SIZE_MAX); |
08a24c47 | 1161 | |
0065d054 PE |
1162 | char_ins_del_vector = |
1163 | xrealloc (char_ins_del_vector, | |
1164 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1165 | |
72af86bd | 1166 | memset (char_ins_del_vector, 0, |
0065d054 | 1167 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1168 | |
daf01701 KL |
1169 | |
1170 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1171 | do_line_insertion_deletion_costs (frame, | |
1172 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1173 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1174 | f, f, 1); | |
1175 | else | |
1176 | do_line_insertion_deletion_costs (frame, | |
1177 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1178 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1179 | 0, 0, 1); | |
1180 | ||
1181 | calculate_ins_del_char_costs (frame); | |
1182 | ||
1183 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1184 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1185 | tty->RPov = string_cost (tty->TS_repeat); | |
1186 | else | |
1187 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1188 | |
daf01701 KL |
1189 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1190 | } | |
08a24c47 JB |
1191 | } |
1192 | \f | |
a796ac82 | 1193 | struct fkey_table { |
fbceeba2 | 1194 | const char *cap, *name; |
a796ac82 JB |
1195 | }; |
1196 | ||
01d8deb0 ER |
1197 | /* Termcap capability names that correspond directly to X keysyms. |
1198 | Some of these (marked "terminfo") aren't supplied by old-style | |
1199 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1200 | except we put the keypad keys first, so that if they clash with | |
1201 | other keys (as on the IBM PC keyboard) they get overridden. | |
1202 | */ | |
1203 | ||
648801d1 | 1204 | static const struct fkey_table keys[] = |
a168702a | 1205 | { |
8103ad1a PJ |
1206 | {"kh", "home"}, /* termcap */ |
1207 | {"kl", "left"}, /* termcap */ | |
1208 | {"ku", "up"}, /* termcap */ | |
1209 | {"kr", "right"}, /* termcap */ | |
1210 | {"kd", "down"}, /* termcap */ | |
1211 | {"%8", "prior"}, /* terminfo */ | |
1212 | {"%5", "next"}, /* terminfo */ | |
1213 | {"@7", "end"}, /* terminfo */ | |
1214 | {"@1", "begin"}, /* terminfo */ | |
1215 | {"*6", "select"}, /* terminfo */ | |
1216 | {"%9", "print"}, /* terminfo */ | |
1217 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1218 | /* |
1219 | * "insert" --- see below | |
1220 | */ | |
8103ad1a PJ |
1221 | {"&8", "undo"}, /* terminfo */ |
1222 | {"%0", "redo"}, /* terminfo */ | |
1223 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1224 | {"@0", "find"}, /* terminfo */ | |
1225 | {"@2", "cancel"}, /* terminfo */ | |
1226 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1227 | /* |
1228 | * "break" goes here, but can't be reliably intercepted with termcap | |
1229 | */ | |
8103ad1a | 1230 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1231 | /* |
1232 | * "system" and "user" --- no termcaps | |
1233 | */ | |
8103ad1a PJ |
1234 | {"kE", "clearline"}, /* terminfo */ |
1235 | {"kA", "insertline"}, /* terminfo */ | |
1236 | {"kL", "deleteline"}, /* terminfo */ | |
1237 | {"kI", "insertchar"}, /* terminfo */ | |
1238 | {"kD", "deletechar"}, /* terminfo */ | |
1239 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1240 | /* |
1241 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1242 | */ | |
8103ad1a | 1243 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1244 | /* |
1245 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1246 | * "kp-multiply", "kp-add", "kp-separator", | |
1247 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1248 | * --- no termcaps for any of these. | |
1249 | */ | |
8103ad1a | 1250 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1251 | /* |
1252 | * "kp-2" --- no termcap | |
1253 | */ | |
8103ad1a | 1254 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1255 | /* |
1256 | * "kp-4" --- no termcap | |
1257 | */ | |
8103ad1a | 1258 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1259 | /* |
1260 | * "kp-6" --- no termcap | |
1261 | */ | |
8103ad1a | 1262 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1263 | /* |
1264 | * "kp-8" --- no termcap | |
1265 | */ | |
8103ad1a | 1266 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1267 | /* |
1268 | * "kp-equal" --- no termcap | |
1269 | */ | |
8103ad1a PJ |
1270 | {"k1", "f1"}, |
1271 | {"k2", "f2"}, | |
1272 | {"k3", "f3"}, | |
1273 | {"k4", "f4"}, | |
1274 | {"k5", "f5"}, | |
1275 | {"k6", "f6"}, | |
1276 | {"k7", "f7"}, | |
1277 | {"k8", "f8"}, | |
60ec7b7e DN |
1278 | {"k9", "f9"}, |
1279 | ||
1280 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1281 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1282 | {"*0", "S-find"}, /*shifted find key*/ | |
1283 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1284 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1285 | {"*7", "S-end"}, /*shifted end key*/ | |
1286 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1287 | {"#1", "S-help"}, /*shifted help key*/ | |
1288 | {"#2", "S-home"}, /*shifted home key*/ | |
1289 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1290 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1291 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1292 | {"%c", "S-next"}, /*shifted next key*/ | |
1293 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1294 | {"%f", "S-print"}, /*shifted print key*/ | |
1295 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1296 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1297 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1298 | }; |
1299 | ||
361358ea | 1300 | #ifndef DOS_NT |
e7cf0fa0 KL |
1301 | static char **term_get_fkeys_address; |
1302 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1303 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1304 | |
4f4a84ec | 1305 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1306 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1307 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1308 | |
ed8dad6b | 1309 | static void |
d3da34e0 | 1310 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1311 | { |
1312 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1313 | errors during the call. The only errors should be from Fdefine_key | |
1314 | when given a key sequence containing an invalid prefix key. If the | |
1315 | termcap defines function keys which use a prefix that is already bound | |
1316 | to a command by the default bindings, we should silently ignore that | |
1317 | function key specification, rather than giving the user an error and | |
1318 | refusing to run at all on such a terminal. */ | |
1319 | ||
e7cf0fa0 KL |
1320 | term_get_fkeys_address = address; |
1321 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1322 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1323 | } | |
1324 | ||
1325 | static Lisp_Object | |
d3da34e0 | 1326 | term_get_fkeys_1 (void) |
5c2c7893 | 1327 | { |
5c2c7893 JB |
1328 | int i; |
1329 | ||
e7cf0fa0 KL |
1330 | char **address = term_get_fkeys_address; |
1331 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1332 | |
3e65092f | 1333 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1334 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1335 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1336 | |
cbae07d5 | 1337 | for (i = 0; i < (sizeof (keys) / sizeof (keys[0])); i++) |
5c2c7893 JB |
1338 | { |
1339 | char *sequence = tgetstr (keys[i].cap, address); | |
1340 | if (sequence) | |
1344aad4 | 1341 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1342 | Fmake_vector (make_number (1), |
1343 | intern (keys[i].name))); | |
5c2c7893 | 1344 | } |
a796ac82 JB |
1345 | |
1346 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1347 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1348 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1349 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1350 | */ | |
1351 | { | |
fbceeba2 PE |
1352 | const char *k_semi = tgetstr ("k;", address); |
1353 | const char *k0 = tgetstr ("k0", address); | |
1354 | const char *k0_name = "f10"; | |
a796ac82 JB |
1355 | |
1356 | if (k_semi) | |
1357 | { | |
95c11956 SM |
1358 | if (k0) |
1359 | /* Define f0 first, so that f10 takes precedence in case the | |
1360 | key sequences happens to be the same. */ | |
1344aad4 | 1361 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1362 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1363 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1364 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1365 | } |
95c11956 | 1366 | else if (k0) |
1344aad4 | 1367 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1368 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1369 | } |
01d8deb0 ER |
1370 | |
1371 | /* Set up cookies for numbered function keys above f10. */ | |
1372 | { | |
1373 | char fcap[3], fkey[4]; | |
1374 | ||
fc4f24da | 1375 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1376 | for (i = 11; i < 64; i++) |
1377 | { | |
1378 | if (i <= 19) | |
1379 | fcap[1] = '1' + i - 11; | |
1380 | else if (i <= 45) | |
b59ab95c | 1381 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1382 | else |
b59ab95c | 1383 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1384 | |
fc4f24da RS |
1385 | { |
1386 | char *sequence = tgetstr (fcap, address); | |
1387 | if (sequence) | |
1388 | { | |
465db27b | 1389 | sprintf (fkey, "f%d", i); |
1344aad4 | 1390 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1391 | Fmake_vector (make_number (1), |
1392 | intern (fkey))); | |
fc4f24da RS |
1393 | } |
1394 | } | |
01d8deb0 ER |
1395 | } |
1396 | } | |
1397 | ||
1398 | /* | |
1399 | * Various mappings to try and get a better fit. | |
1400 | */ | |
1401 | { | |
fc4f24da RS |
1402 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1403 | if (!tgetstr (cap1, address)) \ | |
1404 | { \ | |
1405 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1406 | if (sequence) \ |
1344aad4 | 1407 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1408 | Fmake_vector (make_number (1), \ |
1409 | intern (sym))); \ | |
fc4f24da | 1410 | } |
177c0ea7 | 1411 | |
01d8deb0 | 1412 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1413 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1414 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1415 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1416 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1417 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1418 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1419 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1420 | |
1421 | /* IBM has their own non-standard dialect of terminfo. | |
1422 | If the standard name isn't found, try the IBM name. */ | |
1423 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1424 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1425 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1426 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1427 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1428 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1429 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1430 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1431 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1432 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1433 | } |
a168702a GM |
1434 | |
1435 | return Qnil; | |
5c2c7893 | 1436 | } |
361358ea | 1437 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1438 | |
1439 | \f | |
a168702a GM |
1440 | /*********************************************************************** |
1441 | Character Display Information | |
1442 | ***********************************************************************/ | |
f57e2426 | 1443 | static void append_glyph (struct it *); |
f57e2426 J |
1444 | static void append_composite_glyph (struct it *); |
1445 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1446 | static void append_glyphless_glyph (struct it *, int, const char *); |
653d4f43 | 1447 | static void produce_glyphless_glyph (struct it *, Lisp_Object); |
a168702a GM |
1448 | |
1449 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1450 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1451 | the character for which to produce glyphs; IT->face_id contains the | |
1452 | character's face. Padding glyphs are appended if IT->c has a | |
1453 | IT->pixel_width > 1. */ | |
177c0ea7 | 1454 | |
a168702a | 1455 | static void |
d3da34e0 | 1456 | append_glyph (struct it *it) |
a168702a GM |
1457 | { |
1458 | struct glyph *glyph, *end; | |
1459 | int i; | |
1460 | ||
a54e2c05 | 1461 | eassert (it->glyph_row); |
a168702a GM |
1462 | glyph = (it->glyph_row->glyphs[it->area] |
1463 | + it->glyph_row->used[it->area]); | |
1464 | end = it->glyph_row->glyphs[1 + it->area]; | |
1465 | ||
5e65aec0 EZ |
1466 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1467 | than append it. */ | |
1468 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1469 | { | |
1470 | struct glyph *g; | |
1471 | int move_by = it->pixel_width; | |
1472 | ||
1473 | /* Make room for the new glyphs. */ | |
1474 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1475 | move_by = end - glyph; | |
1476 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1477 | g[move_by] = *g; | |
1478 | glyph = it->glyph_row->glyphs[it->area]; | |
1479 | end = glyph + move_by; | |
1480 | } | |
1481 | ||
1482 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1483 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1484 | identical, and (b) the PADDING_P flag needs to be set for the | |
1485 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1486 | for (i = 0; |
1487 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1488 | ++i) |
1489 | { | |
1490 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1491 | glyph->pixel_width = 1; |
d2b4c17d | 1492 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1493 | glyph->face_id = it->face_id; |
1494 | glyph->padding_p = i > 0; | |
a168702a GM |
1495 | glyph->charpos = CHARPOS (it->position); |
1496 | glyph->object = it->object; | |
5e65aec0 EZ |
1497 | if (it->bidi_p) |
1498 | { | |
1499 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1500 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1501 | emacs_abort (); |
5e65aec0 EZ |
1502 | glyph->bidi_type = it->bidi_it.type; |
1503 | } | |
9443b3c7 EZ |
1504 | else |
1505 | { | |
1506 | glyph->resolved_level = 0; | |
1507 | glyph->bidi_type = UNKNOWN_BT; | |
1508 | } | |
177c0ea7 | 1509 | |
a168702a GM |
1510 | ++it->glyph_row->used[it->area]; |
1511 | ++glyph; | |
1512 | } | |
1513 | } | |
1514 | ||
148ae00e EZ |
1515 | /* For external use. */ |
1516 | void | |
1517 | tty_append_glyph (struct it *it) | |
1518 | { | |
1519 | append_glyph (it); | |
1520 | } | |
1521 | ||
1522 | ||
b50fe468 RS |
1523 | /* Produce glyphs for the display element described by IT. *IT |
1524 | specifies what we want to produce a glyph for (character, image, ...), | |
1525 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1526 | produce_glyphs fills in output fields of *IT with information such as the | |
1527 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1528 | the same time if IT->glyph_row is non-null. For an overview, see |
1529 | the explanation in dispextern.h, before the definition of the | |
1530 | display_element_type enumeration. | |
b50fe468 RS |
1531 | |
1532 | produce_glyphs also stores the result of glyph width, ascent | |
1533 | etc. computations in *IT. | |
1534 | ||
1535 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1536 | actually fill in the glyphs. This is used in the move_* functions | |
1537 | in xdisp.c for text width and height computations. | |
1538 | ||
1539 | Callers usually don't call produce_glyphs directly; | |
1540 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1541 | |
177c0ea7 | 1542 | void |
d3da34e0 | 1543 | produce_glyphs (struct it *it) |
a168702a GM |
1544 | { |
1545 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1546 | |
1547 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1548 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1549 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1550 | || it->what == IT_STRETCH |
1551 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1552 | |
6b61353c KH |
1553 | if (it->what == IT_STRETCH) |
1554 | { | |
1555 | produce_stretch_glyph (it); | |
1556 | goto done; | |
1557 | } | |
1558 | ||
4c12d738 KH |
1559 | if (it->what == IT_COMPOSITION) |
1560 | { | |
1561 | produce_composite_glyph (it); | |
1562 | goto done; | |
1563 | } | |
a168702a | 1564 | |
b18fad6d KH |
1565 | if (it->what == IT_GLYPHLESS) |
1566 | { | |
653d4f43 | 1567 | produce_glyphless_glyph (it, Qnil); |
b18fad6d KH |
1568 | goto done; |
1569 | } | |
1570 | ||
d419e1d9 | 1571 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1572 | { |
1573 | it->pixel_width = it->nglyphs = 1; | |
1574 | if (it->glyph_row) | |
1575 | append_glyph (it); | |
1576 | } | |
d419e1d9 | 1577 | else if (it->char_to_display == '\n') |
a168702a | 1578 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1579 | else if (it->char_to_display == '\t') |
a168702a | 1580 | { |
2efdbcdd | 1581 | int absolute_x = (it->current_x |
a168702a | 1582 | + it->continuation_lines_width); |
177c0ea7 JB |
1583 | int next_tab_x |
1584 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1585 | / it->tab_width) |
1586 | * it->tab_width); | |
1587 | int nspaces; | |
1588 | ||
1589 | /* If part of the TAB has been displayed on the previous line | |
1590 | which is continued now, continuation_lines_width will have | |
1591 | been incremented already by the part that fitted on the | |
1592 | continued line. So, we will get the right number of spaces | |
1593 | here. */ | |
1594 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1595 | |
a168702a GM |
1596 | if (it->glyph_row) |
1597 | { | |
1598 | int n = nspaces; | |
177c0ea7 | 1599 | |
d2b4c17d | 1600 | it->char_to_display = ' '; |
a168702a | 1601 | it->pixel_width = it->len = 1; |
177c0ea7 | 1602 | |
a168702a GM |
1603 | while (n--) |
1604 | append_glyph (it); | |
a168702a GM |
1605 | } |
1606 | ||
1607 | it->pixel_width = nspaces; | |
1608 | it->nglyphs = nspaces; | |
1609 | } | |
d419e1d9 | 1610 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1611 | { |
d419e1d9 KH |
1612 | /* Coming here means that we must send the raw 8-bit byte as is |
1613 | to the terminal. Although there's no way to know how many | |
1614 | columns it occupies on a screen, it is a good assumption that | |
1615 | a single byte code has 1-column width. */ | |
1616 | it->pixel_width = it->nglyphs = 1; | |
1617 | if (it->glyph_row) | |
1618 | append_glyph (it); | |
add44890 | 1619 | } |
a168702a GM |
1620 | else |
1621 | { | |
b18fad6d | 1622 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1623 | |
b18fad6d KH |
1624 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1625 | { | |
1626 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1627 | it->nglyphs = it->pixel_width; | |
1628 | if (it->glyph_row) | |
1629 | append_glyph (it); | |
1630 | } | |
1631 | else | |
1632 | { | |
1633 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1634 | ||
a54e2c05 | 1635 | eassert (it->what == IT_GLYPHLESS); |
653d4f43 | 1636 | produce_glyphless_glyph (it, acronym); |
b18fad6d | 1637 | } |
a168702a GM |
1638 | } |
1639 | ||
6b61353c | 1640 | done: |
177c0ea7 | 1641 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1642 | the caller. */ |
1643 | if (it->area == TEXT_AREA) | |
1644 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1645 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1646 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1647 | } |
1648 | ||
4c12d738 KH |
1649 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1650 | Called from produce_composite_glyph for terminal frames if | |
1651 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1652 | face. */ | |
1653 | ||
1654 | static void | |
d3da34e0 | 1655 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1656 | { |
1657 | struct glyph *glyph; | |
1658 | ||
a54e2c05 | 1659 | eassert (it->glyph_row); |
4c12d738 KH |
1660 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1661 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1662 | { | |
93d68d0c EZ |
1663 | /* If the glyph row is reversed, we need to prepend the glyph |
1664 | rather than append it. */ | |
1665 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1666 | { | |
1667 | struct glyph *g; | |
1668 | ||
1669 | /* Make room for the new glyph. */ | |
1670 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1671 | g[1] = *g; | |
1672 | glyph = it->glyph_row->glyphs[it->area]; | |
1673 | } | |
4c12d738 KH |
1674 | glyph->type = COMPOSITE_GLYPH; |
1675 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1676 | glyph->u.cmp.id = it->cmp_it.id; |
1677 | if (it->cmp_it.ch < 0) | |
1678 | { | |
1679 | glyph->u.cmp.automatic = 0; | |
1680 | glyph->u.cmp.id = it->cmp_it.id; | |
1681 | } | |
1682 | else | |
1683 | { | |
1684 | glyph->u.cmp.automatic = 1; | |
1685 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1686 | glyph->slice.cmp.from = it->cmp_it.from; |
1687 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1688 | } |
1689 | ||
4c12d738 KH |
1690 | glyph->face_id = it->face_id; |
1691 | glyph->padding_p = 0; | |
1692 | glyph->charpos = CHARPOS (it->position); | |
1693 | glyph->object = it->object; | |
93d68d0c EZ |
1694 | if (it->bidi_p) |
1695 | { | |
1696 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1697 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1698 | emacs_abort (); |
93d68d0c EZ |
1699 | glyph->bidi_type = it->bidi_it.type; |
1700 | } | |
1701 | else | |
1702 | { | |
1703 | glyph->resolved_level = 0; | |
1704 | glyph->bidi_type = UNKNOWN_BT; | |
1705 | } | |
4c12d738 KH |
1706 | |
1707 | ++it->glyph_row->used[it->area]; | |
1708 | ++glyph; | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | ||
1713 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1714 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1715 | assuming that the terminal has a capability to layout/render it |
1716 | correctly. */ | |
4c12d738 KH |
1717 | |
1718 | static void | |
d3da34e0 | 1719 | produce_composite_glyph (struct it *it) |
4c12d738 | 1720 | { |
75a10786 KH |
1721 | if (it->cmp_it.ch < 0) |
1722 | { | |
1723 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1724 | ||
d0984aff | 1725 | it->pixel_width = cmp->width; |
75a10786 KH |
1726 | } |
1727 | else | |
1728 | { | |
1729 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1730 | |
75a10786 KH |
1731 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1732 | it->cmp_it.to, NULL); | |
1733 | } | |
1734 | it->nglyphs = 1; | |
4c12d738 KH |
1735 | if (it->glyph_row) |
1736 | append_composite_glyph (it); | |
1737 | } | |
1738 | ||
1739 | ||
b18fad6d | 1740 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1741 | is a face ID to be used for the glyph. What is actually appended |
1742 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1743 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1744 | |
1745 | static void | |
fbceeba2 | 1746 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1747 | { |
1748 | struct glyph *glyph, *end; | |
b18fad6d KH |
1749 | int i; |
1750 | ||
a54e2c05 | 1751 | eassert (it->glyph_row); |
b18fad6d KH |
1752 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1753 | end = it->glyph_row->glyphs[1 + it->area]; | |
1754 | ||
1755 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1756 | than append it. */ | |
1757 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1758 | { | |
1759 | struct glyph *g; | |
1760 | int move_by = it->pixel_width; | |
1761 | ||
1762 | /* Make room for the new glyphs. */ | |
1763 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1764 | move_by = end - glyph; | |
1765 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1766 | g[move_by] = *g; | |
1767 | glyph = it->glyph_row->glyphs[it->area]; | |
1768 | end = glyph + move_by; | |
1769 | } | |
1770 | ||
1771 | if (glyph >= end) | |
1772 | return; | |
1773 | glyph->type = CHAR_GLYPH; | |
1774 | glyph->pixel_width = 1; | |
1775 | glyph->face_id = face_id; | |
1776 | glyph->padding_p = 0; | |
1777 | glyph->charpos = CHARPOS (it->position); | |
1778 | glyph->object = it->object; | |
1779 | if (it->bidi_p) | |
1780 | { | |
1781 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1782 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1783 | emacs_abort (); |
b18fad6d KH |
1784 | glyph->bidi_type = it->bidi_it.type; |
1785 | } | |
1786 | else | |
1787 | { | |
1788 | glyph->resolved_level = 0; | |
1789 | glyph->bidi_type = UNKNOWN_BT; | |
1790 | } | |
1791 | ||
1792 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1793 | the REVERSED_P case because we write to the terminal | |
1794 | left-to-right. */ | |
1795 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1796 | { | |
1797 | if (i > 0) | |
1798 | glyph[0] = glyph[-1]; | |
1799 | glyph->u.ch = str[i]; | |
1800 | ++it->glyph_row->used[it->area]; | |
1801 | ++glyph; | |
1802 | } | |
1803 | } | |
1804 | ||
b18fad6d KH |
1805 | /* Produce glyphs for a glyphless character for iterator IT. |
1806 | IT->glyphless_method specifies which method to use for displaying | |
1807 | the character. See the description of enum | |
0eb025fb | 1808 | glyphless_display_method in dispextern.h for the details. |
b18fad6d | 1809 | |
653d4f43 | 1810 | ACRONYM, if non-nil, is an acronym string for the character. |
b18fad6d KH |
1811 | |
1812 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1813 | ||
1814 | static void | |
653d4f43 | 1815 | produce_glyphless_glyph (struct it *it, Lisp_Object acronym) |
b18fad6d | 1816 | { |
77394d40 | 1817 | int len, face_id = merge_glyphless_glyph_face (it); |
80f2e268 | 1818 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1819 | char const *str = " "; |
b18fad6d | 1820 | |
b18fad6d KH |
1821 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) |
1822 | { | |
0eb025fb EZ |
1823 | /* As there's no way to produce a thin space, we produce a space |
1824 | of canonical width. */ | |
b18fad6d KH |
1825 | len = 1; |
1826 | } | |
1827 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1828 | { | |
1829 | len = CHAR_WIDTH (it->c); | |
1830 | if (len == 0) | |
1831 | len = 1; | |
0eb025fb | 1832 | else if (len > 4) |
b18fad6d | 1833 | len = 4; |
99027bdd | 1834 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1835 | str = buf; |
b18fad6d KH |
1836 | } |
1837 | else | |
1838 | { | |
1839 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1840 | { | |
b18fad6d KH |
1841 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1842 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1843 | if (CONSP (acronym)) |
1844 | acronym = XCDR (acronym); | |
b18fad6d | 1845 | buf[0] = '['; |
51b59d79 | 1846 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1847 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1848 | buf[1 + len] = str[len]; | |
1849 | buf[1 + len] = ']'; | |
1850 | len += 2; | |
1851 | } | |
1852 | else | |
1853 | { | |
a54e2c05 | 1854 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1855 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1856 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1857 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1858 | } |
1859 | str = buf; | |
1860 | } | |
1861 | ||
1862 | it->pixel_width = len; | |
1863 | it->nglyphs = len; | |
d284567f | 1864 | if (it->glyph_row) |
b18fad6d KH |
1865 | append_glyphless_glyph (it, face_id, str); |
1866 | } | |
1867 | ||
a168702a GM |
1868 | \f |
1869 | /*********************************************************************** | |
1870 | Faces | |
1871 | ***********************************************************************/ | |
1872 | ||
4e6ba4a4 GM |
1873 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1874 | one of the enumerators from enum no_color_bit, or a bit set built | |
1875 | from them. Some display attributes may not be used together with | |
1876 | color; the termcap capability `NC' specifies which ones. */ | |
1877 | ||
fca177d4 KL |
1878 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1879 | (tty->TN_max_colors > 0 \ | |
1880 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1881 | : 1) | |
a168702a | 1882 | |
072d84a6 RS |
1883 | /* Turn appearances of face FACE_ID on tty frame F on. |
1884 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1885 | |
1886 | static void | |
d3da34e0 | 1887 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1888 | { |
1889 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1890 | long fg = face->foreground; |
1891 | long bg = face->background; | |
28d7d09f | 1892 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1893 | |
86a7d192 GM |
1894 | /* Do this first because TS_end_standout_mode may be the same |
1895 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1896 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1897 | { |
fca177d4 | 1898 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1899 | { |
1900 | if (fg >= 0 && bg >= 0) | |
1901 | { | |
1902 | /* If the terminal supports colors, we can set them | |
1903 | below without using reverse video. The face's fg | |
1904 | and bg colors are set as they should appear on | |
1905 | the screen, i.e. they take the inverse-video'ness | |
1906 | of the face already into account. */ | |
1907 | } | |
1908 | else if (inverse_video) | |
1909 | { | |
1910 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1911 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1912 | tty_toggle_highlight (tty); |
86a7d192 GM |
1913 | } |
1914 | else | |
1915 | { | |
1916 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1917 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1918 | tty_toggle_highlight (tty); |
86a7d192 GM |
1919 | } |
1920 | } | |
1921 | else | |
1922 | { | |
1923 | /* If we can't display colors, use reverse video | |
1924 | if the face specifies that. */ | |
37526b42 GM |
1925 | if (inverse_video) |
1926 | { | |
1927 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1928 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1929 | tty_toggle_highlight (tty); |
37526b42 GM |
1930 | } |
1931 | else | |
1932 | { | |
1933 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1934 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1935 | tty_toggle_highlight (tty); |
37526b42 | 1936 | } |
86a7d192 GM |
1937 | } |
1938 | } | |
a168702a | 1939 | |
4189ed40 CY |
1940 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1941 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1942 | ||
cd4eb164 CY |
1943 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1944 | { | |
1945 | if (tty->TS_enter_italic_mode) | |
1946 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1947 | else | |
1948 | /* Italics mode is unavailable on many terminals. In that | |
1949 | case, map slant to dimmed text; we want italic text to | |
1950 | appear different and dimming is not otherwise used. */ | |
1951 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1952 | } | |
a168702a | 1953 | |
fca177d4 KL |
1954 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1955 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1956 | |
fca177d4 | 1957 | if (tty->TN_max_colors > 0) |
a168702a | 1958 | { |
fbceeba2 PE |
1959 | const char *ts; |
1960 | char *p; | |
177c0ea7 | 1961 | |
fbf34973 | 1962 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1963 | if (fg >= 0 && ts) |
a168702a | 1964 | { |
653d4f43 | 1965 | p = tparam (ts, NULL, 0, fg, 0, 0, 0); |
6548cf00 | 1966 | OUTPUT (tty, p); |
a168702a GM |
1967 | xfree (p); |
1968 | } | |
1969 | ||
fbf34973 | 1970 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1971 | if (bg >= 0 && ts) |
a168702a | 1972 | { |
653d4f43 | 1973 | p = tparam (ts, NULL, 0, bg, 0, 0, 0); |
6548cf00 | 1974 | OUTPUT (tty, p); |
a168702a GM |
1975 | xfree (p); |
1976 | } | |
1977 | } | |
1978 | } | |
177c0ea7 | 1979 | |
a168702a GM |
1980 | |
1981 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1982 | ||
1983 | static void | |
d3da34e0 | 1984 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
1985 | { |
1986 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1987 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1988 | |
a54e2c05 | 1989 | eassert (face != NULL); |
a168702a | 1990 | |
fca177d4 | 1991 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1992 | { |
1993 | /* Capability "me" will turn off appearance modes double-bright, | |
1994 | half-bright, reverse-video, standout, underline. It may or | |
1995 | may not turn off alt-char-mode. */ | |
1996 | if (face->tty_bold_p | |
cd4eb164 | 1997 | || face->tty_italic_p |
a168702a | 1998 | || face->tty_reverse_p |
a168702a | 1999 | || face->tty_underline_p) |
65aa5e85 | 2000 | { |
fca177d4 KL |
2001 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2002 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2003 | tty->standout_mode = 0; | |
65aa5e85 | 2004 | } |
a168702a GM |
2005 | } |
2006 | else | |
2007 | { | |
2008 | /* If we don't have "me" we can only have those appearances | |
2009 | that have exit sequences defined. */ | |
54800acb | 2010 | if (face->tty_underline_p) |
fca177d4 | 2011 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2012 | } |
2013 | ||
2014 | /* Switch back to default colors. */ | |
fca177d4 | 2015 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2016 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2017 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2018 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2019 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2020 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2021 | } |
177c0ea7 JB |
2022 | |
2023 | ||
653d4f43 | 2024 | /* Return true if the terminal on frame F supports all of the |
b63a55ac MB |
2025 | capabilities in CAPS simultaneously, with foreground and background |
2026 | colors FG and BG. */ | |
2027 | ||
653d4f43 | 2028 | bool |
d3da34e0 JB |
2029 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2030 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2031 | { |
fca177d4 KL |
2032 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2033 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2034 | return 0; |
2035 | ||
fca177d4 KL |
2036 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2037 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2038 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2039 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2040 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2041 | |
2042 | /* We can do it! */ | |
2043 | return 1; | |
2044 | } | |
2045 | ||
a168702a GM |
2046 | /* Return non-zero if the terminal is capable to display colors. */ |
2047 | ||
2048 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2049 | 0, 1, 0, |
6ed8eeff KL |
2050 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2051 | ||
401e9e57 CY |
2052 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2053 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2054 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2055 | (Lisp_Object terminal) |
a168702a | 2056 | { |
717a00ef | 2057 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2058 | if (!t) |
428a555e | 2059 | return Qnil; |
3224dac1 | 2060 | else |
6ed8eeff | 2061 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2062 | } |
2063 | ||
bfa62f96 EZ |
2064 | /* Return the number of supported colors. */ |
2065 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2066 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2067 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2068 | ||
401e9e57 CY |
2069 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2070 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2071 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2072 | (Lisp_Object terminal) |
bfa62f96 | 2073 | { |
717a00ef | 2074 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2075 | if (!t) |
8c8d5f35 | 2076 | return make_number (0); |
3224dac1 | 2077 | else |
6ed8eeff | 2078 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2079 | } |
2080 | ||
84704c5c | 2081 | #ifndef DOS_NT |
a168702a | 2082 | |
5205ee62 GM |
2083 | /* Declare here rather than in the function, as in the rest of Emacs, |
2084 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2085 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2086 | static int default_max_colors; |
2087 | static int default_max_pairs; | |
2088 | static int default_no_color_video; | |
2089 | static char *default_orig_pair; | |
2090 | static char *default_set_foreground; | |
2091 | static char *default_set_background; | |
fcf8ff2e | 2092 | |
ace28297 EZ |
2093 | /* Save or restore the default color-related capabilities of this |
2094 | terminal. */ | |
2095 | static void | |
653d4f43 | 2096 | tty_default_color_capabilities (struct tty_display_info *tty, bool save) |
ace28297 | 2097 | { |
ace28297 EZ |
2098 | |
2099 | if (save) | |
2100 | { | |
70fdbb46 | 2101 | xfree (default_orig_pair); |
fca177d4 | 2102 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2103 | |
70fdbb46 | 2104 | xfree (default_set_foreground); |
fca177d4 | 2105 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2106 | : NULL; |
2107 | ||
70fdbb46 | 2108 | xfree (default_set_background); |
fca177d4 | 2109 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2110 | : NULL; |
2111 | ||
fca177d4 KL |
2112 | default_max_colors = tty->TN_max_colors; |
2113 | default_max_pairs = tty->TN_max_pairs; | |
2114 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2115 | } |
2116 | else | |
2117 | { | |
fca177d4 KL |
2118 | tty->TS_orig_pair = default_orig_pair; |
2119 | tty->TS_set_foreground = default_set_foreground; | |
2120 | tty->TS_set_background = default_set_background; | |
2121 | tty->TN_max_colors = default_max_colors; | |
2122 | tty->TN_max_pairs = default_max_pairs; | |
2123 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2124 | } |
2125 | } | |
2126 | ||
2127 | /* Setup one of the standard tty color schemes according to MODE. | |
2128 | MODE's value is generally the number of colors which we want to | |
2129 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2130 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2131 | static void |
28d7d09f | 2132 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2133 | { |
6b61353c KH |
2134 | /* Canonicalize all negative values of MODE. */ |
2135 | if (mode < -1) | |
2136 | mode = -1; | |
2137 | ||
ace28297 EZ |
2138 | switch (mode) |
2139 | { | |
2140 | case -1: /* no colors at all */ | |
fca177d4 KL |
2141 | tty->TN_max_colors = 0; |
2142 | tty->TN_max_pairs = 0; | |
2143 | tty->TN_no_color_video = 0; | |
2144 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2145 | break; |
2146 | case 0: /* default colors, if any */ | |
2147 | default: | |
fca177d4 | 2148 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2149 | break; |
2150 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2151 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2152 | #ifdef TERMINFO |
fca177d4 KL |
2153 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2154 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2155 | #else |
fca177d4 KL |
2156 | tty->TS_set_foreground = "\033[3%dm"; |
2157 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2158 | #endif |
fca177d4 KL |
2159 | tty->TN_max_colors = 8; |
2160 | tty->TN_max_pairs = 64; | |
2161 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2162 | break; |
2163 | } | |
2164 | } | |
2165 | ||
2166 | void | |
d3da34e0 | 2167 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2168 | { |
ce5b453a | 2169 | Lisp_Object tem, val; |
9b2cd403 SM |
2170 | Lisp_Object color_mode; |
2171 | int mode; | |
9b2cd403 SM |
2172 | Lisp_Object tty_color_mode_alist |
2173 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2174 | |
e69b0960 | 2175 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2176 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2177 | |
6b61353c | 2178 | if (INTEGERP (val)) |
ace28297 | 2179 | color_mode = val; |
ce5b453a | 2180 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2181 | { |
ce5b453a | 2182 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2183 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2184 | } |
ce5b453a SM |
2185 | else |
2186 | color_mode = Qnil; | |
6b61353c | 2187 | |
d311d28c | 2188 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2189 | |
9b2cd403 | 2190 | if (mode != tty->previous_color_mode) |
ace28297 | 2191 | { |
9b2cd403 SM |
2192 | tty->previous_color_mode = mode; |
2193 | tty_setup_colors (tty , mode); | |
2194 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2195 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2196 | } |
2197 | } | |
2198 | ||
84704c5c | 2199 | #endif /* !DOS_NT */ |
a168702a GM |
2200 | |
2201 | \f | |
28d440ab | 2202 | |
6ed8eeff | 2203 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2204 | |
64520e5c | 2205 | static struct terminal * |
653d4f43 | 2206 | get_tty_terminal (Lisp_Object terminal, bool throw) |
b6660415 | 2207 | { |
717a00ef | 2208 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2209 | |
84704c5c | 2210 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2211 | { |
2212 | if (throw) | |
2213 | error ("Device %d is not a termcap terminal device", t->id); | |
2214 | else | |
2215 | return NULL; | |
2216 | } | |
b6660415 | 2217 | |
6ed8eeff | 2218 | return t; |
b6660415 KL |
2219 | } |
2220 | ||
ab797f65 KL |
2221 | /* Return an active termcap device that uses the tty device with the |
2222 | given name. | |
b6660415 | 2223 | |
7e59217d | 2224 | This function ignores suspended devices. |
da8e1115 KL |
2225 | |
2226 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2227 | |
6ed8eeff | 2228 | struct terminal * |
8ea90aa3 | 2229 | get_named_tty (const char *name) |
28d440ab | 2230 | { |
6ed8eeff KL |
2231 | struct terminal *t; |
2232 | ||
9c253307 | 2233 | eassert (name); |
ab797f65 KL |
2234 | |
2235 | for (t = terminal_list; t; t = t->next_terminal) | |
2236 | { | |
5cc67f65 | 2237 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2238 | && !strcmp (t->display_info.tty->name, name) |
2239 | && TERMINAL_ACTIVE_P (t)) | |
2240 | return t; | |
2241 | } | |
28d440ab KL |
2242 | |
2243 | return 0; | |
2244 | } | |
2245 | ||
2246 | \f | |
a7ca3326 | 2247 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2248 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2249 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2250 | |
401e9e57 CY |
2251 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2252 | selected frame's terminal). */) | |
5842a27b | 2253 | (Lisp_Object terminal) |
b6660415 | 2254 | { |
6ed8eeff | 2255 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2256 | |
84704c5c | 2257 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2258 | return Qnil; |
2259 | ||
6ed8eeff KL |
2260 | if (t->display_info.tty->type) |
2261 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2262 | else |
2263 | return Qnil; | |
2264 | } | |
2265 | ||
6ed8eeff | 2266 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2267 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2268 | |
401e9e57 CY |
2269 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2270 | selected frame's terminal). This function always returns nil if | |
2271 | TERMINAL is not on a tty device. */) | |
5842a27b | 2272 | (Lisp_Object terminal) |
4a933ef8 | 2273 | { |
6ed8eeff | 2274 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2275 | |
84704c5c EZ |
2276 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2277 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2278 | return Qnil; |
2279 | else | |
2280 | return Qt; | |
2281 | } | |
2282 | ||
a3fbb897 | 2283 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2284 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2285 | This is used to override the terminfo data, for certain terminals that |
2286 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2287 | no effect if used on a non-tty terminal. |
a3fbb897 | 2288 | |
401e9e57 CY |
2289 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2290 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2291 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2292 | (Lisp_Object terminal) |
a3fbb897 | 2293 | { |
6ed8eeff | 2294 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2295 | |
6ed8eeff KL |
2296 | if (t->type == output_termcap) |
2297 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2298 | return Qnil; |
2299 | } | |
2300 | ||
c6bf3022 CY |
2301 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2302 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2303 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2304 | selected frame's terminal). This function returns nil if TERMINAL | |
2305 | does not refer to a text terminal. Otherwise, it returns the | |
2306 | top-most frame on the text terminal. */) | |
2307 | (Lisp_Object terminal) | |
2308 | { | |
2309 | struct terminal *t = get_terminal (terminal, 1); | |
2310 | ||
2311 | if (t->type == output_termcap) | |
2312 | return t->display_info.tty->top_frame; | |
2313 | return Qnil; | |
2314 | } | |
2315 | ||
ed8dad6b KL |
2316 | \f |
2317 | ||
2318 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2319 | doc: /* Suspend the terminal device TTY. | |
2320 | ||
2321 | The device is restored to its default state, and Emacs ceases all | |
2322 | access to the tty device. Frames that use the device are not deleted, | |
2323 | but input is not read from them and if they change, their display is | |
2324 | not updated. | |
2325 | ||
401e9e57 CY |
2326 | TTY may be a terminal object, a frame, or nil for the terminal device |
2327 | of the currently selected frame. | |
ed8dad6b | 2328 | |
e4019195 | 2329 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2330 | device. The functions are run with one arg, the id of the suspended |
2331 | terminal device. | |
2332 | ||
2333 | `suspend-tty' does nothing if it is called on a device that is already | |
2334 | suspended. | |
2335 | ||
2336 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2337 | (Lisp_Object tty) |
ed8dad6b | 2338 | { |
717a00ef | 2339 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2340 | FILE *f; |
f4d953fc | 2341 | |
6ed8eeff | 2342 | if (!t) |
ed8dad6b KL |
2343 | error ("Unknown tty device"); |
2344 | ||
6ed8eeff | 2345 | f = t->display_info.tty->input; |
f4d953fc | 2346 | |
ed8dad6b KL |
2347 | if (f) |
2348 | { | |
23d4cba5 DN |
2349 | /* First run `suspend-tty-functions' and then clean up the tty |
2350 | state because `suspend-tty-functions' might need to change | |
2351 | the tty state. */ | |
dee091a3 JD |
2352 | Lisp_Object args[2]; |
2353 | args[0] = intern ("suspend-tty-functions"); | |
2354 | XSETTERMINAL (args[1], t); | |
2355 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2356 | |
6ed8eeff | 2357 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2358 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2359 | |
84704c5c | 2360 | #ifndef MSDOS |
ed8dad6b | 2361 | fclose (f); |
6ed8eeff KL |
2362 | if (f != t->display_info.tty->output) |
2363 | fclose (t->display_info.tty->output); | |
84704c5c | 2364 | #endif |
f4d953fc | 2365 | |
6ed8eeff KL |
2366 | t->display_info.tty->input = 0; |
2367 | t->display_info.tty->output = 0; | |
ed8dad6b | 2368 | |
6ed8eeff | 2369 | if (FRAMEP (t->display_info.tty->top_frame)) |
edfa7fa0 | 2370 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); |
f4d953fc | 2371 | |
ed8dad6b KL |
2372 | } |
2373 | ||
4a665758 KL |
2374 | /* Clear display hooks to prevent further output. */ |
2375 | clear_tty_hooks (t); | |
2376 | ||
ed8dad6b KL |
2377 | return Qnil; |
2378 | } | |
2379 | ||
2380 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2381 | doc: /* Resume the previously suspended terminal device TTY. | |
2382 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2383 | suspended terminal are revived. |
ed8dad6b | 2384 | |
6ed8eeff KL |
2385 | It is an error to resume a terminal while another terminal is active |
2386 | on the same device. | |
ed8dad6b | 2387 | |
e4019195 | 2388 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2389 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2390 | device. |
2391 | ||
2392 | `resume-tty' does nothing if it is called on a device that is not | |
2393 | suspended. | |
2394 | ||
401e9e57 CY |
2395 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2396 | frame's terminal). */) | |
5842a27b | 2397 | (Lisp_Object tty) |
ed8dad6b | 2398 | { |
717a00ef | 2399 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2400 | int fd; |
2401 | ||
6ed8eeff | 2402 | if (!t) |
ed8dad6b KL |
2403 | error ("Unknown tty device"); |
2404 | ||
6ed8eeff | 2405 | if (!t->display_info.tty->input) |
ed8dad6b | 2406 | { |
6ed8eeff | 2407 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2408 | error ("Cannot resume display while another display is active on the same device"); |
2409 | ||
84704c5c EZ |
2410 | #ifdef MSDOS |
2411 | t->display_info.tty->output = stdout; | |
2412 | t->display_info.tty->input = stdin; | |
2413 | #else /* !MSDOS */ | |
6ed8eeff | 2414 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ef30e638 PE |
2415 | t->display_info.tty->input = t->display_info.tty->output |
2416 | = fd < 0 ? 0 : fdopen (fd, "w+"); | |
ed8dad6b | 2417 | |
ef30e638 PE |
2418 | if (! t->display_info.tty->input) |
2419 | { | |
2420 | int open_errno = errno; | |
2421 | emacs_close (fd); | |
2422 | report_file_errno ("Cannot reopen tty device", | |
2423 | build_string (t->display_info.tty->name), | |
2424 | open_errno); | |
2425 | } | |
ed8dad6b | 2426 | |
b8956427 | 2427 | if (!O_IGNORE_CTTY && strcmp (t->display_info.tty->name, DEV_TTY) != 0) |
59b3194c | 2428 | dissociate_if_controlling_tty (fd); |
84704c5c | 2429 | #endif |
78048085 | 2430 | |
ed8dad6b KL |
2431 | add_keyboard_wait_descriptor (fd); |
2432 | ||
6ed8eeff | 2433 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2434 | { |
2435 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2436 | int width, height; | |
2437 | int old_height = FRAME_COLS (f); | |
2438 | int old_width = FRAME_LINES (f); | |
2439 | ||
2440 | /* Check if terminal/window size has changed while the frame | |
2441 | was suspended. */ | |
2442 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2443 | if (width != old_width || height != old_height) | |
2444 | change_frame_size (f, height, width, 0, 0, 0); | |
edfa7fa0 | 2445 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); |
db878925 | 2446 | } |
ed8dad6b | 2447 | |
04f2d78b | 2448 | set_tty_hooks (t); |
6ed8eeff | 2449 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2450 | |
dee091a3 JD |
2451 | { |
2452 | /* Run `resume-tty-functions'. */ | |
2453 | Lisp_Object args[2]; | |
2454 | args[0] = intern ("resume-tty-functions"); | |
2455 | XSETTERMINAL (args[1], t); | |
2456 | Frun_hook_with_args (2, args); | |
2457 | } | |
ed8dad6b KL |
2458 | } |
2459 | ||
4a665758 KL |
2460 | set_tty_hooks (t); |
2461 | ||
ed8dad6b KL |
2462 | return Qnil; |
2463 | } | |
a3fbb897 | 2464 | |
819b8f00 | 2465 | \f |
e882229c NR |
2466 | /*********************************************************************** |
2467 | Mouse | |
2468 | ***********************************************************************/ | |
2469 | ||
7e5a23bd | 2470 | #ifdef HAVE_GPM |
64520e5c PE |
2471 | |
2472 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2473 | void |
2474 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2475 | { |
1ec5dc77 | 2476 | /* TODO: how to set mouse position? |
94da14a0 NR |
2477 | const char *name; |
2478 | int fd; | |
2479 | name = (const char *) ttyname (0); | |
406af475 | 2480 | fd = emacs_open (name, O_WRONLY, 0); |
80fb2ce0 | 2481 | SOME_FUNCTION (x, y, fd); |
bacba3c2 | 2482 | emacs_close (fd); |
94da14a0 | 2483 | last_mouse_x = x; |
80fb2ce0 | 2484 | last_mouse_y = y; */ |
94da14a0 | 2485 | } |
64520e5c | 2486 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2487 | |
cf482c50 EZ |
2488 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2489 | void | |
2490 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2491 | int start_hpos, int end_hpos, | |
2492 | enum draw_glyphs_face draw) | |
e882229c | 2493 | { |
cf482c50 EZ |
2494 | int nglyphs = end_hpos - start_hpos; |
2495 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2496 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2497 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2498 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2499 | |
cf482c50 EZ |
2500 | if (end_hpos >= row->used[TEXT_AREA]) |
2501 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2502 | |
cf482c50 EZ |
2503 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2504 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2505 | |
cf482c50 EZ |
2506 | /* Save current cursor co-ordinates. */ |
2507 | save_y = curY (tty); | |
2508 | save_x = curX (tty); | |
2509 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2510 | |
cf482c50 EZ |
2511 | if (draw == DRAW_MOUSE_FACE) |
2512 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2513 | nglyphs, face_id); | |
2514 | else if (draw == DRAW_NORMAL_TEXT) | |
2515 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2516 | |
cf482c50 | 2517 | cursor_to (f, save_y, save_x); |
e882229c NR |
2518 | } |
2519 | ||
653d4f43 | 2520 | static bool |
a10c8269 | 2521 | term_mouse_movement (struct frame *frame, Gpm_Event *event) |
e882229c NR |
2522 | { |
2523 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2524 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2525 | { | |
2526 | frame->mouse_moved = 1; | |
cf482c50 | 2527 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2528 | /* Remember which glyph we're now on. */ |
2529 | last_mouse_x = event->x; | |
2530 | last_mouse_y = event->y; | |
2531 | return 1; | |
2532 | } | |
2533 | return 0; | |
2534 | } | |
2535 | ||
d35af63c PE |
2536 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2537 | static Time | |
2538 | timeval_to_Time (struct timeval const *t) | |
2539 | { | |
2540 | Time s_1000, ms; | |
2541 | ||
2542 | s_1000 = t->tv_sec; | |
2543 | s_1000 *= 1000; | |
2544 | ms = t->tv_usec / 1000; | |
2545 | return s_1000 + ms; | |
2546 | } | |
2547 | ||
e882229c NR |
2548 | /* Return the current position of the mouse. |
2549 | ||
2550 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2551 | Emacs frame. If it is set to zero, all the other arguments are | |
2552 | garbage. | |
2553 | ||
2554 | Set *bar_window to Qnil, and *x and *y to the column and | |
2555 | row of the character cell the mouse is over. | |
2556 | ||
7f3f1250 | 2557 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2558 | |
80fb2ce0 | 2559 | This clears mouse_moved until the next motion |
94da14a0 | 2560 | event arrives. */ |
e882229c | 2561 | static void |
a10c8269 | 2562 | term_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window, |
e882229c | 2563 | enum scroll_bar_part *part, Lisp_Object *x, |
08dc5ae6 | 2564 | Lisp_Object *y, Time *timeptr) |
e882229c | 2565 | { |
e882229c | 2566 | struct timeval now; |
e882229c NR |
2567 | |
2568 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2569 | (*fp)->mouse_moved = 0; |
e882229c NR |
2570 | |
2571 | *bar_window = Qnil; | |
2572 | *part = 0; | |
2573 | ||
80fb2ce0 | 2574 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2575 | XSETINT (*y, last_mouse_y); |
e882229c | 2576 | gettimeofday(&now, 0); |
d35af63c | 2577 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2578 | } |
2579 | ||
2580 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2581 | ||
2582 | If the event is a button press, then note that we have grabbed | |
2583 | the mouse. */ | |
2584 | ||
2585 | static Lisp_Object | |
2586 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2587 | struct frame *f) | |
2588 | { | |
2589 | struct timeval now; | |
2590 | int i, j; | |
2591 | ||
2592 | result->kind = GPM_CLICK_EVENT; | |
2593 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2594 | { | |
2595 | if (event->buttons & j) { | |
2596 | result->code = i; /* button number */ | |
2597 | break; | |
2598 | } | |
2599 | } | |
2600 | gettimeofday(&now, 0); | |
d35af63c | 2601 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2602 | |
2603 | if (event->type & GPM_UP) | |
2604 | result->modifiers = up_modifier; | |
2605 | else if (event->type & GPM_DOWN) | |
2606 | result->modifiers = down_modifier; | |
2607 | else | |
2608 | result->modifiers = 0; | |
f4d953fc | 2609 | |
e882229c NR |
2610 | if (event->type & GPM_SINGLE) |
2611 | result->modifiers |= click_modifier; | |
f4d953fc | 2612 | |
e882229c NR |
2613 | if (event->type & GPM_DOUBLE) |
2614 | result->modifiers |= double_modifier; | |
2615 | ||
2616 | if (event->type & GPM_TRIPLE) | |
2617 | result->modifiers |= triple_modifier; | |
2618 | ||
2619 | if (event->type & GPM_DRAG) | |
2620 | result->modifiers |= drag_modifier; | |
2621 | ||
80fb2ce0 | 2622 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2623 | |
2624 | /* 1 << KG_SHIFT */ | |
2625 | if (event->modifiers & (1 << 0)) | |
2626 | result->modifiers |= shift_modifier; | |
2627 | ||
2628 | /* 1 << KG_CTRL */ | |
2629 | if (event->modifiers & (1 << 2)) | |
2630 | result->modifiers |= ctrl_modifier; | |
2631 | ||
2632 | /* 1 << KG_ALT || KG_ALTGR */ | |
2633 | if (event->modifiers & (1 << 3) | |
2634 | || event->modifiers & (1 << 1)) | |
2635 | result->modifiers |= meta_modifier; | |
2636 | } | |
2637 | ||
80fb2ce0 NR |
2638 | XSETINT (result->x, event->x); |
2639 | XSETINT (result->y, event->y); | |
e882229c NR |
2640 | XSETFRAME (result->frame_or_window, f); |
2641 | result->arg = Qnil; | |
2642 | return Qnil; | |
2643 | } | |
2644 | ||
f4d953fc | 2645 | int |
7be1c21a | 2646 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2647 | { |
7be1c21a | 2648 | struct frame *f = XFRAME (tty->top_frame); |
e882229c | 2649 | struct input_event ie; |
653d4f43 | 2650 | bool do_help = 0; |
e882229c NR |
2651 | int count = 0; |
2652 | ||
2653 | EVENT_INIT (ie); | |
2654 | ie.kind = NO_EVENT; | |
2655 | ie.arg = Qnil; | |
2656 | ||
80fb2ce0 | 2657 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2658 | previous_help_echo_string = help_echo_string; |
2659 | help_echo_string = Qnil; | |
2660 | ||
6178ce5e | 2661 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2662 | |
80fb2ce0 NR |
2663 | if (!term_mouse_movement (f, event)) |
2664 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2665 | |
2666 | /* If the contents of the global variable help_echo_string | |
2667 | has changed, generate a HELP_EVENT. */ | |
2668 | if (!NILP (help_echo_string) | |
2669 | || !NILP (previous_help_echo_string)) | |
2670 | do_help = 1; | |
2671 | ||
2672 | goto done; | |
2673 | } | |
2674 | else { | |
2675 | f->mouse_moved = 0; | |
2676 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2677 | } |
2678 | ||
2679 | done: | |
2680 | if (ie.kind != NO_EVENT) | |
2681 | { | |
2682 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2683 | count++; | |
2684 | } | |
2685 | ||
2686 | if (do_help | |
2687 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2688 | { | |
2689 | Lisp_Object frame; | |
2690 | ||
2691 | if (f) | |
2692 | XSETFRAME (frame, f); | |
2693 | else | |
2694 | frame = Qnil; | |
2695 | ||
2696 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2697 | help_echo_object, help_echo_pos); | |
2698 | count++; | |
2699 | } | |
2700 | ||
2701 | return count; | |
2702 | } | |
2703 | ||
6178ce5e | 2704 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2705 | 0, 0, 0, |
71f44e7a | 2706 | doc: /* Open a connection to Gpm. |
6178ce5e | 2707 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2708 | (void) |
e882229c | 2709 | { |
71f44e7a SM |
2710 | struct frame *f = SELECTED_FRAME (); |
2711 | struct tty_display_info *tty | |
2712 | = ((f)->output_method == output_termcap | |
2713 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2714 | Gpm_Connect connection; |
2715 | ||
6178ce5e SM |
2716 | if (!tty) |
2717 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2718 | if (gpm_tty == tty) |
2719 | return Qnil; /* Already activated, nothing to do. */ | |
2720 | if (gpm_tty) | |
2721 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2722 | |
e882229c NR |
2723 | connection.eventMask = ~0; |
2724 | connection.defaultMask = ~GPM_HARD; | |
2725 | connection.maxMod = ~0; | |
2726 | connection.minMod = 0; | |
80fb2ce0 | 2727 | gpm_zerobased = 1; |
e882229c NR |
2728 | |
2729 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2730 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2731 | else |
2732 | { | |
71f44e7a | 2733 | gpm_tty = tty; |
1023cbed SM |
2734 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2735 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2736 | before calling init_sys_modes. */ | |
7be1c21a MB |
2737 | reset_sys_modes (tty); |
2738 | init_sys_modes (tty); | |
e882229c | 2739 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2740 | return Qnil; |
e882229c NR |
2741 | } |
2742 | } | |
2743 | ||
ed5ff21d | 2744 | void |
d347e494 | 2745 | close_gpm (int fd) |
ed5ff21d | 2746 | { |
d347e494 SM |
2747 | if (fd >= 0) |
2748 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2749 | while (Gpm_Close()); /* close all the stack */ |
2750 | gpm_tty = NULL; | |
2751 | } | |
2752 | ||
6178ce5e | 2753 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2754 | 0, 0, 0, |
2755 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2756 | (void) |
e882229c | 2757 | { |
4ce5ab77 SM |
2758 | struct frame *f = SELECTED_FRAME (); |
2759 | struct tty_display_info *tty | |
2760 | = ((f)->output_method == output_termcap | |
2761 | ? (f)->terminal->display_info.tty : NULL); | |
2762 | ||
2763 | if (!tty || gpm_tty != tty) | |
2764 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2765 | |
d347e494 | 2766 | close_gpm (gpm_fd); |
6178ce5e | 2767 | return Qnil; |
e882229c | 2768 | } |
7e5a23bd | 2769 | #endif /* HAVE_GPM */ |
e882229c NR |
2770 | |
2771 | \f | |
b5e9cbb6 EZ |
2772 | /*********************************************************************** |
2773 | Menus | |
2774 | ***********************************************************************/ | |
2775 | ||
2776 | #if defined (HAVE_MENUS) && !defined (MSDOS) | |
2777 | ||
2778 | /* TTY menu implementation and main ideas are borrowed from msdos.c. | |
2779 | ||
2780 | However, unlike on MSDOS, where the menu text is drawn directly to | |
fa93733d EZ |
2781 | the display video memory, on a TTY we use display_string (see |
2782 | display_tty_menu_item in xdisp.c) to put the glyphs produced from | |
2783 | the menu items directly into the frame's 'desired_matrix' glyph | |
2784 | matrix, and then call update_frame_with_menu to deliver the results | |
2785 | to the glass. The previous contents of the screen, in the form of | |
2786 | the current_matrix, is stashed away, and used to restore screen | |
b5e9cbb6 EZ |
2787 | contents when the menu selection changes or when the final |
2788 | selection is made and the menu should be popped down. | |
2789 | ||
141f1ff7 | 2790 | The idea of this implementation was suggested by Gerd Moellmann. */ |
b5e9cbb6 EZ |
2791 | |
2792 | #define TTYM_FAILURE -1 | |
2793 | #define TTYM_SUCCESS 1 | |
2794 | #define TTYM_NO_SELECT 2 | |
2795 | #define TTYM_IA_SELECT 3 | |
4a48e94d EZ |
2796 | #define TTYM_NEXT 4 |
2797 | #define TTYM_PREV 5 | |
b5e9cbb6 EZ |
2798 | |
2799 | /* These hold text of the current and the previous menu help messages. */ | |
2800 | static const char *menu_help_message, *prev_menu_help_message; | |
2801 | /* Pane number and item number of the menu item which generated the | |
2802 | last menu help message. */ | |
2803 | static int menu_help_paneno, menu_help_itemno; | |
2804 | ||
df782309 EZ |
2805 | static Lisp_Object Qtty_menu_navigation_map, Qtty_menu_exit; |
2806 | static Lisp_Object Qtty_menu_prev_item, Qtty_menu_next_item; | |
2807 | static Lisp_Object Qtty_menu_next_menu, Qtty_menu_prev_menu; | |
2808 | static Lisp_Object Qtty_menu_select, Qtty_menu_ignore; | |
e648f699 | 2809 | static Lisp_Object Qtty_menu_mouse_movement; |
f0177f86 | 2810 | |
b5e9cbb6 EZ |
2811 | typedef struct tty_menu_struct |
2812 | { | |
2813 | int count; | |
2814 | char **text; | |
2815 | struct tty_menu_struct **submenu; | |
5cbcc455 | 2816 | int *panenumber; /* Also used as enabled flag. */ |
3b158d11 | 2817 | ptrdiff_t allocated; |
b5e9cbb6 EZ |
2818 | int panecount; |
2819 | int width; | |
2820 | const char **help_text; | |
2821 | } tty_menu; | |
2822 | ||
2823 | /* Create a brand new menu structure. */ | |
2824 | ||
2825 | static tty_menu * | |
2826 | tty_menu_create (void) | |
2827 | { | |
3b158d11 | 2828 | return xzalloc (sizeof *tty_menu_create ()); |
b5e9cbb6 EZ |
2829 | } |
2830 | ||
2831 | /* Allocate some (more) memory for MENU ensuring that there is room for one | |
3b158d11 | 2832 | more item. */ |
b5e9cbb6 EZ |
2833 | |
2834 | static void | |
2835 | tty_menu_make_room (tty_menu *menu) | |
2836 | { | |
3b158d11 | 2837 | if (menu->allocated == menu->count) |
b5e9cbb6 | 2838 | { |
3b158d11 PE |
2839 | ptrdiff_t allocated = menu->allocated; |
2840 | menu->text = xpalloc (menu->text, &allocated, 1, -1, sizeof *menu->text); | |
2841 | menu->text = xrealloc (menu->text, allocated * sizeof *menu->text); | |
2842 | menu->submenu = xrealloc (menu->submenu, | |
2843 | allocated * sizeof *menu->submenu); | |
2844 | menu->panenumber = xrealloc (menu->panenumber, | |
2845 | allocated * sizeof *menu->panenumber); | |
2846 | menu->help_text = xrealloc (menu->help_text, | |
2847 | allocated * sizeof *menu->help_text); | |
2848 | menu->allocated = allocated; | |
b5e9cbb6 EZ |
2849 | } |
2850 | } | |
2851 | ||
2852 | /* Search the given menu structure for a given pane number. */ | |
2853 | ||
2854 | static tty_menu * | |
2855 | tty_menu_search_pane (tty_menu *menu, int pane) | |
2856 | { | |
2857 | int i; | |
2858 | tty_menu *try; | |
2859 | ||
2860 | for (i = 0; i < menu->count; i++) | |
2861 | if (menu->submenu[i]) | |
2862 | { | |
2863 | if (pane == menu->panenumber[i]) | |
2864 | return menu->submenu[i]; | |
2865 | if ((try = tty_menu_search_pane (menu->submenu[i], pane))) | |
2866 | return try; | |
2867 | } | |
2868 | return (tty_menu *) 0; | |
2869 | } | |
2870 | ||
2871 | /* Determine how much screen space a given menu needs. */ | |
2872 | ||
2873 | static void | |
2874 | tty_menu_calc_size (tty_menu *menu, int *width, int *height) | |
2875 | { | |
2876 | int i, h2, w2, maxsubwidth, maxheight; | |
2877 | ||
9e30f0e1 | 2878 | maxsubwidth = menu->width; |
b5e9cbb6 EZ |
2879 | maxheight = menu->count; |
2880 | for (i = 0; i < menu->count; i++) | |
2881 | { | |
2882 | if (menu->submenu[i]) | |
2883 | { | |
2884 | tty_menu_calc_size (menu->submenu[i], &w2, &h2); | |
2885 | if (w2 > maxsubwidth) maxsubwidth = w2; | |
2886 | if (i + h2 > maxheight) maxheight = i + h2; | |
2887 | } | |
2888 | } | |
9e30f0e1 | 2889 | *width = maxsubwidth; |
b5e9cbb6 EZ |
2890 | *height = maxheight; |
2891 | } | |
2892 | ||
e648f699 EZ |
2893 | static void |
2894 | mouse_get_xy (int *x, int *y) | |
2895 | { | |
2896 | struct frame *sf = SELECTED_FRAME (); | |
5cbcc455 | 2897 | Lisp_Object lmx = Qnil, lmy = Qnil, lisp_dummy; |
e648f699 EZ |
2898 | enum scroll_bar_part part_dummy; |
2899 | Time time_dummy; | |
2900 | ||
2901 | if (FRAME_TERMINAL (sf)->mouse_position_hook) | |
2902 | (*FRAME_TERMINAL (sf)->mouse_position_hook) (&sf, -1, | |
2903 | &lisp_dummy, &part_dummy, | |
2904 | &lmx, &lmy, | |
2905 | &time_dummy); | |
2906 | if (!NILP (lmx)) | |
2907 | { | |
2908 | *x = XINT (lmx); | |
2909 | *y = XINT (lmy); | |
2910 | } | |
2911 | } | |
2912 | ||
b5e9cbb6 EZ |
2913 | /* Display MENU at (X,Y) using FACES. */ |
2914 | ||
b5e9cbb6 | 2915 | static void |
ffc3882f | 2916 | tty_menu_display (tty_menu *menu, int x, int y, int pn, int *faces, |
bbc10837 | 2917 | int mx, int my, int disp_help) |
b5e9cbb6 | 2918 | { |
bbc10837 | 2919 | int i, face, width, enabled, mousehere, row, col; |
b5e9cbb6 EZ |
2920 | struct frame *sf = SELECTED_FRAME (); |
2921 | struct tty_display_info *tty = FRAME_TTY (sf); | |
b5e9cbb6 EZ |
2922 | |
2923 | menu_help_message = NULL; | |
2924 | ||
2925 | width = menu->width; | |
e7873136 EZ |
2926 | col = cursorX (tty); |
2927 | row = cursorY (tty); | |
b5e9cbb6 EZ |
2928 | for (i = 0; i < menu->count; i++) |
2929 | { | |
342cf494 | 2930 | int max_width = width + 2; /* +2 for padding blanks on each side */ |
b5e9cbb6 EZ |
2931 | |
2932 | cursor_to (sf, y + i, x); | |
342cf494 EZ |
2933 | if (menu->submenu[i]) |
2934 | max_width += 2; /* for displaying " >" after the item */ | |
b5e9cbb6 EZ |
2935 | enabled |
2936 | = (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]); | |
2937 | mousehere = (y + i == my && x <= mx && mx < x + max_width); | |
2938 | face = faces[enabled + mousehere * 2]; | |
2939 | /* Display the menu help string for the i-th menu item even if | |
2940 | the menu item is currently disabled. That's what the GUI | |
2941 | code does. */ | |
2942 | if (disp_help && enabled + mousehere * 2 >= 2) | |
2943 | { | |
2944 | menu_help_message = menu->help_text[i]; | |
2945 | menu_help_paneno = pn - 1; | |
2946 | menu_help_itemno = i; | |
2947 | } | |
342cf494 | 2948 | display_tty_menu_item (menu->text[i], max_width, face, x, y + i, |
b5e9cbb6 EZ |
2949 | menu->submenu[i] != NULL); |
2950 | } | |
2951 | update_frame_with_menu (sf); | |
2952 | cursor_to (sf, row, col); | |
2953 | } | |
2954 | ||
2955 | /* --------------------------- X Menu emulation ---------------------- */ | |
2956 | ||
b5e9cbb6 EZ |
2957 | /* Create a new pane and place it on the outer-most level. */ |
2958 | ||
e7873136 EZ |
2959 | static int |
2960 | tty_menu_add_pane (tty_menu *menu, const char *txt) | |
b5e9cbb6 EZ |
2961 | { |
2962 | int len; | |
3b158d11 | 2963 | const unsigned char *p; |
b5e9cbb6 EZ |
2964 | |
2965 | tty_menu_make_room (menu); | |
2966 | menu->submenu[menu->count] = tty_menu_create (); | |
2967 | menu->text[menu->count] = (char *)txt; | |
2968 | menu->panenumber[menu->count] = ++menu->panecount; | |
2969 | menu->help_text[menu->count] = NULL; | |
2970 | menu->count++; | |
2971 | ||
2972 | /* Update the menu width, if necessary. */ | |
3b158d11 | 2973 | for (len = 0, p = (unsigned char *) txt; *p; ) |
b5e9cbb6 EZ |
2974 | { |
2975 | int ch_len; | |
2976 | int ch = STRING_CHAR_AND_LENGTH (p, ch_len); | |
2977 | ||
2978 | len += CHAR_WIDTH (ch); | |
2979 | p += ch_len; | |
2980 | } | |
2981 | ||
2982 | if (len > menu->width) | |
2983 | menu->width = len; | |
2984 | ||
2985 | return menu->panecount; | |
2986 | } | |
2987 | ||
2988 | /* Create a new item in a menu pane. */ | |
2989 | ||
3b158d11 | 2990 | static int |
b5e9cbb6 EZ |
2991 | tty_menu_add_selection (tty_menu *menu, int pane, |
2992 | char *txt, int enable, char const *help_text) | |
2993 | { | |
2994 | int len; | |
3b158d11 | 2995 | unsigned char *p; |
b5e9cbb6 EZ |
2996 | |
2997 | if (pane) | |
2998 | if (!(menu = tty_menu_search_pane (menu, pane))) | |
2999 | return TTYM_FAILURE; | |
3000 | tty_menu_make_room (menu); | |
3001 | menu->submenu[menu->count] = (tty_menu *) 0; | |
3002 | menu->text[menu->count] = txt; | |
3003 | menu->panenumber[menu->count] = enable; | |
3004 | menu->help_text[menu->count] = help_text; | |
3005 | menu->count++; | |
3006 | ||
3007 | /* Update the menu width, if necessary. */ | |
3b158d11 | 3008 | for (len = 0, p = (unsigned char *) txt; *p; ) |
b5e9cbb6 EZ |
3009 | { |
3010 | int ch_len; | |
3011 | int ch = STRING_CHAR_AND_LENGTH (p, ch_len); | |
3012 | ||
3013 | len += CHAR_WIDTH (ch); | |
3014 | p += ch_len; | |
3015 | } | |
3016 | ||
3017 | if (len > menu->width) | |
3018 | menu->width = len; | |
3019 | ||
3020 | return TTYM_SUCCESS; | |
3021 | } | |
3022 | ||
3023 | /* Decide where the menu would be placed if requested at (X,Y). */ | |
3024 | ||
3b158d11 | 3025 | static void |
b5e9cbb6 EZ |
3026 | tty_menu_locate (tty_menu *menu, int x, int y, |
3027 | int *ulx, int *uly, int *width, int *height) | |
3028 | { | |
3029 | tty_menu_calc_size (menu, width, height); | |
3030 | *ulx = x + 1; | |
3031 | *uly = y; | |
3032 | *width += 2; | |
3033 | } | |
3034 | ||
3035 | struct tty_menu_state | |
3036 | { | |
141f1ff7 | 3037 | struct glyph_matrix *screen_behind; |
b5e9cbb6 EZ |
3038 | tty_menu *menu; |
3039 | int pane; | |
3040 | int x, y; | |
3041 | }; | |
3042 | ||
f34729ea EZ |
3043 | /* Save away the contents of frame F's current frame matrix, and |
3044 | enable all its rows. Value is a glyph matrix holding the contents | |
3045 | of F's current frame matrix with all its glyph rows enabled. */ | |
3046 | ||
4ed77415 | 3047 | static struct glyph_matrix * |
f34729ea EZ |
3048 | save_and_enable_current_matrix (struct frame *f) |
3049 | { | |
3050 | int i; | |
3051 | struct glyph_matrix *saved = xzalloc (sizeof *saved); | |
3052 | saved->nrows = f->current_matrix->nrows; | |
3053 | saved->rows = xzalloc (saved->nrows * sizeof *saved->rows); | |
3054 | ||
3055 | for (i = 0; i < saved->nrows; ++i) | |
3056 | { | |
3057 | struct glyph_row *from = f->current_matrix->rows + i; | |
3058 | struct glyph_row *to = saved->rows + i; | |
3059 | ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph); | |
3060 | ||
3061 | to->glyphs[TEXT_AREA] = xmalloc (nbytes); | |
3062 | memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes); | |
3063 | to->used[TEXT_AREA] = from->used[TEXT_AREA]; | |
3064 | /* Make sure every row is enabled, or else update_frame will not | |
3065 | redraw them. (Rows that are identical to what is already on | |
3066 | screen will not be redrawn anyway.) */ | |
3067 | to->enabled_p = 1; | |
3068 | to->hash = from->hash; | |
f34729ea EZ |
3069 | } |
3070 | ||
3071 | return saved; | |
3072 | } | |
3073 | ||
141f1ff7 EZ |
3074 | /* Restore the contents of frame F's desired frame matrix from SAVED, |
3075 | and free memory associated with SAVED. */ | |
b5e9cbb6 | 3076 | |
141f1ff7 EZ |
3077 | static void |
3078 | restore_desired_matrix (struct frame *f, struct glyph_matrix *saved) | |
3079 | { | |
3080 | int i; | |
3081 | ||
3082 | for (i = 0; i < saved->nrows; ++i) | |
3083 | { | |
3084 | struct glyph_row *from = saved->rows + i; | |
3085 | struct glyph_row *to = f->desired_matrix->rows + i; | |
3086 | ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph); | |
3087 | ||
96114a30 | 3088 | eassert (to->glyphs[TEXT_AREA] != from->glyphs[TEXT_AREA]); |
141f1ff7 EZ |
3089 | memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes); |
3090 | to->used[TEXT_AREA] = from->used[TEXT_AREA]; | |
fa93733d EZ |
3091 | to->enabled_p = from->enabled_p; |
3092 | to->hash = from->hash; | |
141f1ff7 | 3093 | } |
141f1ff7 EZ |
3094 | } |
3095 | ||
3096 | static void | |
3097 | free_saved_screen (struct glyph_matrix *saved) | |
3098 | { | |
3099 | int i; | |
3100 | ||
3101 | if (!saved) | |
3102 | return; /* already freed */ | |
3103 | ||
3104 | for (i = 0; i < saved->nrows; ++i) | |
3105 | { | |
3106 | struct glyph_row *from = saved->rows + i; | |
3107 | ||
3108 | xfree (from->glyphs[TEXT_AREA]); | |
141f1ff7 EZ |
3109 | } |
3110 | ||
3111 | xfree (saved->rows); | |
3112 | xfree (saved); | |
3113 | } | |
3114 | ||
3115 | /* Update the display of frame F from its saved contents. */ | |
3116 | static void | |
3117 | screen_update (struct frame *f, struct glyph_matrix *mtx) | |
3118 | { | |
3119 | restore_desired_matrix (f, mtx); | |
3120 | update_frame_with_menu (f); | |
3121 | } | |
3122 | ||
3123 | /* Read user input and return X and Y coordinates where that input | |
3124 | puts us. We only consider mouse movement and click events and | |
0de83597 EZ |
3125 | keyboard movement commands; the rest are ignored. |
3126 | ||
4a48e94d EZ |
3127 | Value is -1 if C-g was pressed, 1 if an item was selected, 2 or 3 |
3128 | if we need to move to the next or previous menu-bar menu, zero | |
e648f699 | 3129 | otherwise. */ |
0de83597 | 3130 | static int |
df782309 EZ |
3131 | read_menu_input (struct frame *sf, int *x, int *y, int min_y, int max_y, |
3132 | bool *first_time) | |
141f1ff7 | 3133 | { |
ffc3882f EZ |
3134 | if (*first_time) |
3135 | { | |
3136 | *first_time = false; | |
3137 | sf->mouse_moved = 1; | |
ffc3882f | 3138 | } |
afd8eb2c | 3139 | else |
141f1ff7 | 3140 | { |
7ace9265 | 3141 | Lisp_Object cmd; |
f0177f86 EZ |
3142 | int usable_input = 1; |
3143 | int st = 0; | |
f34729ea | 3144 | struct tty_display_info *tty = FRAME_TTY (sf); |
e648f699 | 3145 | Lisp_Object saved_mouse_tracking = do_mouse_tracking; |
f0177f86 | 3146 | |
f34729ea EZ |
3147 | /* Signal the keyboard reading routines we are displaying a menu |
3148 | on this terminal. */ | |
3149 | tty->showing_menu = 1; | |
e648f699 EZ |
3150 | /* We want mouse movements be reported by read_menu_command. */ |
3151 | do_mouse_tracking = Qt; | |
7ace9265 EZ |
3152 | do { |
3153 | cmd = read_menu_command (); | |
e648f699 | 3154 | } while (NILP (cmd)); |
f34729ea | 3155 | tty->showing_menu = 0; |
e648f699 | 3156 | do_mouse_tracking = saved_mouse_tracking; |
7ace9265 | 3157 | |
df782309 | 3158 | if (EQ (cmd, Qt) || EQ (cmd, Qtty_menu_exit)) |
f0177f86 | 3159 | return -1; |
e648f699 | 3160 | if (EQ (cmd, Qtty_menu_mouse_movement)) |
3b158d11 | 3161 | mouse_get_xy (x, y); |
e648f699 | 3162 | else if (EQ (cmd, Qtty_menu_next_menu)) |
4a48e94d EZ |
3163 | { |
3164 | usable_input = 0; | |
3165 | st = 2; | |
3166 | } | |
df782309 | 3167 | else if (EQ (cmd, Qtty_menu_prev_menu)) |
4a48e94d EZ |
3168 | { |
3169 | usable_input = 0; | |
3170 | st = 3; | |
3171 | } | |
df782309 EZ |
3172 | else if (EQ (cmd, Qtty_menu_next_item)) |
3173 | { | |
3174 | if (*y < max_y) | |
3175 | *y += 1; | |
3176 | } | |
3177 | else if (EQ (cmd, Qtty_menu_prev_item)) | |
3178 | { | |
3179 | if (*y > min_y) | |
3180 | *y -= 1; | |
3181 | } | |
3182 | else if (EQ (cmd, Qtty_menu_select)) | |
f0177f86 | 3183 | st = 1; |
df782309 | 3184 | else if (!EQ (cmd, Qtty_menu_ignore)) |
e648f699 | 3185 | usable_input = 0; |
f0177f86 EZ |
3186 | if (usable_input) |
3187 | sf->mouse_moved = 1; | |
0de83597 | 3188 | return st; |
141f1ff7 | 3189 | } |
0de83597 | 3190 | return 0; |
141f1ff7 EZ |
3191 | } |
3192 | ||
3193 | /* Display menu, wait for user's response, and return that response. */ | |
4a48e94d | 3194 | static int |
b5e9cbb6 EZ |
3195 | tty_menu_activate (tty_menu *menu, int *pane, int *selidx, |
3196 | int x0, int y0, char **txt, | |
4a48e94d EZ |
3197 | void (*help_callback)(char const *, int, int), |
3198 | int kbd_navigation) | |
b5e9cbb6 EZ |
3199 | { |
3200 | struct tty_menu_state *state; | |
3b158d11 PE |
3201 | int statecount, x, y, i, leave, onepane; |
3202 | int result IF_LINT (= 0); | |
b5e9cbb6 EZ |
3203 | int title_faces[4]; /* face to display the menu title */ |
3204 | int faces[4], buffers_num_deleted = 0; | |
3205 | struct frame *sf = SELECTED_FRAME (); | |
28a16449 | 3206 | struct tty_display_info *tty = FRAME_TTY (sf); |
ffc3882f | 3207 | bool first_time; |
3b158d11 | 3208 | Lisp_Object selectface; |
b5e9cbb6 EZ |
3209 | |
3210 | /* Don't allow non-positive x0 and y0, lest the menu will wrap | |
3211 | around the display. */ | |
3212 | if (x0 <= 0) | |
3213 | x0 = 1; | |
3214 | if (y0 <= 0) | |
3215 | y0 = 1; | |
3216 | ||
b5e9cbb6 | 3217 | state = alloca (menu->panecount * sizeof (struct tty_menu_state)); |
141f1ff7 | 3218 | memset (state, 0, sizeof (*state)); |
b5e9cbb6 EZ |
3219 | faces[0] |
3220 | = lookup_derived_face (sf, intern ("tty-menu-disabled-face"), | |
3221 | DEFAULT_FACE_ID, 1); | |
3222 | faces[1] | |
3223 | = lookup_derived_face (sf, intern ("tty-menu-enabled-face"), | |
3224 | DEFAULT_FACE_ID, 1); | |
3225 | selectface = intern ("tty-menu-selected-face"); | |
3226 | faces[2] = lookup_derived_face (sf, selectface, | |
3227 | faces[0], 1); | |
3228 | faces[3] = lookup_derived_face (sf, selectface, | |
3229 | faces[1], 1); | |
3230 | ||
3231 | /* Make sure the menu title is always displayed with | |
50a5f95e | 3232 | `tty-menu-selected-face', no matter where the mouse pointer is. */ |
b5e9cbb6 EZ |
3233 | for (i = 0; i < 4; i++) |
3234 | title_faces[i] = faces[3]; | |
3235 | ||
3236 | statecount = 1; | |
3237 | ||
3238 | /* Don't let the title for the "Buffers" popup menu include a | |
3239 | digit (which is ugly). | |
3240 | ||
3241 | This is a terrible kludge, but I think the "Buffers" case is | |
3242 | the only one where the title includes a number, so it doesn't | |
3243 | seem to be necessary to make this more general. */ | |
3244 | if (strncmp (menu->text[0], "Buffers 1", 9) == 0) | |
3245 | { | |
3246 | menu->text[0][7] = '\0'; | |
3247 | buffers_num_deleted = 1; | |
3248 | } | |
3249 | ||
141f1ff7 EZ |
3250 | /* Force update of the current frame, so that the desired and the |
3251 | current matrices are identical. */ | |
3252 | update_frame_with_menu (sf); | |
b5e9cbb6 | 3253 | state[0].menu = menu; |
f34729ea | 3254 | state[0].screen_behind = save_and_enable_current_matrix (sf); |
b5e9cbb6 | 3255 | |
ffc3882f EZ |
3256 | /* Display the menu title. We subtract 1 from x0 and y0 because we |
3257 | want to interpret them as zero-based column and row coordinates, | |
3258 | and also because we want the first item of the menu, not its | |
3259 | title, to appear at x0,y0. */ | |
bbc10837 | 3260 | tty_menu_display (menu, x0 - 1, y0 - 1, 1, title_faces, x0 - 1, y0 - 1, 0); |
6270e29e EZ |
3261 | |
3262 | /* Turn off the cursor. Otherwise it shows through the menu | |
3263 | panes, which is ugly. */ | |
3264 | tty_hide_cursor (tty); | |
b5e9cbb6 EZ |
3265 | if (buffers_num_deleted) |
3266 | menu->text[0][7] = ' '; | |
3267 | if ((onepane = menu->count == 1 && menu->submenu[0])) | |
3268 | { | |
3269 | menu->width = menu->submenu[0]->width; | |
3270 | state[0].menu = menu->submenu[0]; | |
3271 | } | |
3272 | else | |
3273 | { | |
3274 | state[0].menu = menu; | |
3275 | } | |
3276 | state[0].x = x0 - 1; | |
3277 | state[0].y = y0; | |
3278 | state[0].pane = onepane; | |
3279 | ||
141f1ff7 EZ |
3280 | x = state[0].x; |
3281 | y = state[0].y; | |
ffc3882f | 3282 | first_time = true; |
141f1ff7 | 3283 | |
b5e9cbb6 EZ |
3284 | leave = 0; |
3285 | while (!leave) | |
3286 | { | |
f0177f86 | 3287 | int input_status; |
df782309 | 3288 | int min_y = state[0].y, max_y = min_y + state[0].menu->count - 1; |
e7873136 | 3289 | |
df782309 | 3290 | input_status = read_menu_input (sf, &x, &y, min_y, max_y, &first_time); |
f0177f86 EZ |
3291 | if (input_status) |
3292 | { | |
4a48e94d | 3293 | leave = 1; |
f0177f86 | 3294 | if (input_status == -1) |
824682ea EZ |
3295 | { |
3296 | /* Remove the last help-echo, so that it doesn't | |
3297 | re-appear after "Quit". */ | |
3298 | show_help_echo (Qnil, Qnil, Qnil, Qnil); | |
3299 | result = TTYM_NO_SELECT; | |
3300 | } | |
4a48e94d EZ |
3301 | else if (input_status == 2) |
3302 | { | |
3303 | if (kbd_navigation) | |
3304 | result = TTYM_NEXT; | |
3305 | else | |
3306 | leave = 0; | |
3307 | } | |
3308 | else if (input_status == 3) | |
3309 | { | |
3310 | if (kbd_navigation) | |
3311 | result = TTYM_PREV; | |
3312 | else | |
3313 | leave = 0; | |
3314 | } | |
f0177f86 | 3315 | } |
f34729ea | 3316 | if (sf->mouse_moved && input_status != -1) |
b5e9cbb6 EZ |
3317 | { |
3318 | sf->mouse_moved = 0; | |
3319 | result = TTYM_IA_SELECT; | |
b5e9cbb6 EZ |
3320 | for (i = 0; i < statecount; i++) |
3321 | if (state[i].x <= x && x < state[i].x + state[i].menu->width + 2) | |
3322 | { | |
3323 | int dy = y - state[i].y; | |
3324 | if (0 <= dy && dy < state[i].menu->count) | |
3325 | { | |
3326 | if (!state[i].menu->submenu[dy]) | |
3327 | { | |
3328 | if (state[i].menu->panenumber[dy]) | |
3329 | result = TTYM_SUCCESS; | |
3330 | else | |
3331 | result = TTYM_IA_SELECT; | |
3332 | } | |
3333 | *pane = state[i].pane - 1; | |
3334 | *selidx = dy; | |
3335 | /* We hit some part of a menu, so drop extra menus that | |
3336 | have been opened. That does not include an open and | |
3337 | active submenu. */ | |
3338 | if (i != statecount - 2 | |
3339 | || state[i].menu->submenu[dy] != state[i+1].menu) | |
3340 | while (i != statecount - 1) | |
3341 | { | |
3342 | statecount--; | |
e7873136 | 3343 | screen_update (sf, state[statecount].screen_behind); |
141f1ff7 | 3344 | state[statecount].screen_behind = NULL; |
b5e9cbb6 EZ |
3345 | } |
3346 | if (i == statecount - 1 && state[i].menu->submenu[dy]) | |
3347 | { | |
3348 | tty_menu_display (state[i].menu, | |
b5e9cbb6 | 3349 | state[i].x, |
ffc3882f | 3350 | state[i].y, |
b5e9cbb6 | 3351 | state[i].pane, |
bbc10837 | 3352 | faces, x, y, 1); |
b5e9cbb6 EZ |
3353 | state[statecount].menu = state[i].menu->submenu[dy]; |
3354 | state[statecount].pane = state[i].menu->panenumber[dy]; | |
141f1ff7 | 3355 | state[statecount].screen_behind |
f34729ea | 3356 | = save_and_enable_current_matrix (sf); |
b5e9cbb6 EZ |
3357 | state[statecount].x |
3358 | = state[i].x + state[i].menu->width + 2; | |
3359 | state[statecount].y = y; | |
3360 | statecount++; | |
3361 | } | |
3362 | } | |
3363 | } | |
3364 | tty_menu_display (state[statecount - 1].menu, | |
b5e9cbb6 | 3365 | state[statecount - 1].x, |
ffc3882f | 3366 | state[statecount - 1].y, |
b5e9cbb6 | 3367 | state[statecount - 1].pane, |
bbc10837 | 3368 | faces, x, y, 1); |
6270e29e EZ |
3369 | tty_hide_cursor (tty); |
3370 | fflush (tty->output); | |
b5e9cbb6 | 3371 | } |
824682ea EZ |
3372 | |
3373 | /* Display the help-echo message for the currently-selected menu | |
3374 | item. */ | |
3375 | if ((menu_help_message || prev_menu_help_message) | |
3376 | && menu_help_message != prev_menu_help_message) | |
b5e9cbb6 | 3377 | { |
824682ea EZ |
3378 | help_callback (menu_help_message, |
3379 | menu_help_paneno, menu_help_itemno); | |
3380 | tty_hide_cursor (tty); | |
6270e29e | 3381 | fflush (tty->output); |
824682ea | 3382 | prev_menu_help_message = menu_help_message; |
b5e9cbb6 | 3383 | } |
b5e9cbb6 EZ |
3384 | } |
3385 | ||
ffc3882f | 3386 | sf->mouse_moved = 0; |
141f1ff7 | 3387 | screen_update (sf, state[0].screen_behind); |
b5e9cbb6 | 3388 | while (statecount--) |
141f1ff7 | 3389 | free_saved_screen (state[statecount].screen_behind); |
28a16449 | 3390 | tty_show_cursor (tty); /* turn cursor back on */ |
9f6a18d2 | 3391 | fflush (tty->output); |
28a16449 EZ |
3392 | |
3393 | /* Clean up any mouse events that are waiting inside Emacs event queue. | |
b5e9cbb6 EZ |
3394 | These events are likely to be generated before the menu was even |
3395 | displayed, probably because the user pressed and released the button | |
3396 | (which invoked the menu) too quickly. If we don't remove these events, | |
3397 | Emacs will process them after we return and surprise the user. */ | |
3398 | discard_mouse_events (); | |
e7873136 | 3399 | if (!kbd_buffer_events_waiting ()) |
b5e9cbb6 | 3400 | clear_input_pending (); |
b5e9cbb6 EZ |
3401 | return result; |
3402 | } | |
3403 | ||
3404 | /* Dispose of a menu. */ | |
3405 | ||
3b158d11 | 3406 | static void |
b5e9cbb6 EZ |
3407 | tty_menu_destroy (tty_menu *menu) |
3408 | { | |
3409 | int i; | |
3410 | if (menu->allocated) | |
3411 | { | |
3412 | for (i = 0; i < menu->count; i++) | |
3413 | if (menu->submenu[i]) | |
3414 | tty_menu_destroy (menu->submenu[i]); | |
3415 | xfree (menu->text); | |
3416 | xfree (menu->submenu); | |
3417 | xfree (menu->panenumber); | |
3418 | xfree (menu->help_text); | |
3419 | } | |
3420 | xfree (menu); | |
3421 | menu_help_message = prev_menu_help_message = NULL; | |
3422 | } | |
3423 | ||
e7873136 EZ |
3424 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
3425 | ||
3426 | PANE is the pane number, and ITEM is the menu item number in | |
5cbcc455 | 3427 | the menu (currently not used). */ |
e7873136 EZ |
3428 | |
3429 | static void | |
3430 | tty_menu_help_callback (char const *help_string, int pane, int item) | |
3431 | { | |
3432 | Lisp_Object *first_item; | |
3433 | Lisp_Object pane_name; | |
3434 | Lisp_Object menu_object; | |
3435 | ||
f573ac33 | 3436 | first_item = XVECTOR (menu_items)->u.contents; |
e7873136 EZ |
3437 | if (EQ (first_item[0], Qt)) |
3438 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
3439 | else if (EQ (first_item[0], Qquote)) | |
3440 | /* This shouldn't happen, see xmenu_show. */ | |
3441 | pane_name = empty_unibyte_string; | |
3442 | else | |
3443 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
3444 | ||
3445 | /* (menu-item MENU-NAME PANE-NUMBER) */ | |
3446 | menu_object = list3 (Qmenu_item, pane_name, make_number (pane)); | |
3447 | show_help_echo (help_string ? build_string (help_string) : Qnil, | |
3448 | Qnil, menu_object, make_number (item)); | |
3449 | } | |
3450 | ||
3451 | static void | |
3452 | tty_pop_down_menu (Lisp_Object arg) | |
3453 | { | |
3454 | tty_menu *menu = XSAVE_POINTER (arg, 0); | |
3455 | ||
3456 | block_input (); | |
3457 | tty_menu_destroy (menu); | |
3458 | unblock_input (); | |
3459 | } | |
3460 | ||
4a48e94d EZ |
3461 | /* Return the zero-based index of the last menu-bar item on frame F. */ |
3462 | static int | |
3463 | tty_menu_last_menubar_item (struct frame *f) | |
3464 | { | |
3465 | int i = 0; | |
3466 | ||
3467 | eassert (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)); | |
3468 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)) | |
3469 | { | |
3470 | Lisp_Object items = FRAME_MENU_BAR_ITEMS (f); | |
3471 | ||
3472 | while (i < ASIZE (items)) | |
3473 | { | |
3474 | Lisp_Object str; | |
3475 | ||
3476 | str = AREF (items, i + 1); | |
3477 | if (NILP (str)) | |
3478 | break; | |
3479 | i += 4; | |
3480 | } | |
3481 | i -= 4; /* went one too far */ | |
3482 | } | |
3483 | return i; | |
3484 | } | |
3485 | ||
3486 | /* Find in frame F's menu bar the menu item that is next or previous | |
3487 | to the item at X/Y, and return that item's position in X/Y. WHICH | |
3488 | says which one--next or previous--item to look for. X and Y are | |
3489 | measured in character cells. This should only be called on TTY | |
3490 | frames. */ | |
3491 | static void | |
3492 | tty_menu_new_item_coords (struct frame *f, int which, int *x, int *y) | |
3493 | { | |
3494 | eassert (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)); | |
3495 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)) | |
3496 | { | |
3497 | Lisp_Object items = FRAME_MENU_BAR_ITEMS (f); | |
3498 | int last_i = tty_menu_last_menubar_item (f); | |
3499 | int i, prev_x; | |
3500 | ||
3501 | /* This loop assumes a single menu-bar line, and will fail to | |
3502 | find an item if it is not in the first line. Note that | |
3503 | make_lispy_event in keyboard.c makes the same assumption. */ | |
3504 | for (i = 0, prev_x = -1; i < ASIZE (items); i += 4) | |
3505 | { | |
3506 | Lisp_Object pos, str; | |
3507 | int ix; | |
3508 | ||
3509 | str = AREF (items, i + 1); | |
3510 | pos = AREF (items, i + 3); | |
3511 | if (NILP (str)) | |
3512 | return; | |
3513 | ix = XINT (pos); | |
3514 | if (ix <= *x | |
3515 | /* We use <= so the blank between 2 items on a TTY is | |
3516 | considered part of the previous item. */ | |
3b158d11 | 3517 | && *x <= ix + menu_item_width (SDATA (str))) |
4a48e94d EZ |
3518 | { |
3519 | /* Found current item. Now compute the X coordinate of | |
3520 | the previous or next item. */ | |
3521 | if (which == TTYM_NEXT) | |
3522 | { | |
3523 | if (i < last_i) | |
3524 | *x = XINT (AREF (items, i + 4 + 3)); | |
3525 | else | |
3526 | *x = 0; /* wrap around to the first item */ | |
3527 | } | |
3528 | else if (prev_x < 0) | |
3529 | { | |
3530 | /* Wrap around to the last item. */ | |
3531 | *x = XINT (AREF (items, last_i + 3)); | |
3532 | } | |
3533 | else | |
3534 | *x = prev_x; | |
3535 | return; | |
3536 | } | |
3537 | prev_x = ix; | |
3538 | } | |
3539 | } | |
3540 | } | |
3541 | ||
b5e9cbb6 | 3542 | Lisp_Object |
e7873136 | 3543 | tty_menu_show (struct frame *f, int x, int y, int for_click, int keymaps, |
4a48e94d | 3544 | Lisp_Object title, int kbd_navigation, const char **error_name) |
b5e9cbb6 EZ |
3545 | { |
3546 | tty_menu *menu; | |
3547 | int pane, selidx, lpane, status; | |
3548 | Lisp_Object entry, pane_prefix; | |
3549 | char *datap; | |
3550 | int ulx, uly, width, height; | |
4a48e94d | 3551 | int item_x, item_y; |
b5e9cbb6 EZ |
3552 | int dispwidth, dispheight; |
3553 | int i, j, lines, maxlines; | |
3554 | int maxwidth; | |
b5e9cbb6 EZ |
3555 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
3556 | ||
3557 | if (! FRAME_TERMCAP_P (f)) | |
e7873136 | 3558 | emacs_abort (); |
b5e9cbb6 EZ |
3559 | |
3560 | *error_name = 0; | |
3561 | if (menu_items_n_panes == 0) | |
3562 | return Qnil; | |
3563 | ||
3564 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) | |
3565 | { | |
3566 | *error_name = "Empty menu"; | |
3567 | return Qnil; | |
3568 | } | |
3569 | ||
3570 | /* Make the menu on that window. */ | |
3571 | menu = tty_menu_create (); | |
3572 | if (menu == NULL) | |
3573 | { | |
3574 | *error_name = "Can't create menu"; | |
3575 | return Qnil; | |
3576 | } | |
3577 | ||
3578 | /* Don't GC while we prepare and show the menu, because we give the | |
3579 | menu functions pointers to the contents of strings. */ | |
3580 | inhibit_garbage_collection (); | |
3581 | ||
3582 | /* Adjust coordinates to be root-window-relative. */ | |
4a48e94d EZ |
3583 | item_x = x += f->left_pos; |
3584 | item_y = y += f->top_pos; | |
b5e9cbb6 EZ |
3585 | |
3586 | /* Create all the necessary panes and their items. */ | |
3587 | maxwidth = maxlines = lines = i = 0; | |
3588 | lpane = TTYM_FAILURE; | |
3589 | while (i < menu_items_used) | |
3590 | { | |
dfe3ac02 | 3591 | if (EQ (AREF (menu_items, i), Qt)) |
b5e9cbb6 EZ |
3592 | { |
3593 | /* Create a new pane. */ | |
3594 | Lisp_Object pane_name, prefix; | |
3595 | const char *pane_string; | |
3596 | ||
3597 | maxlines = max (maxlines, lines); | |
3598 | lines = 0; | |
dfe3ac02 EZ |
3599 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
3600 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
b5e9cbb6 EZ |
3601 | pane_string = (NILP (pane_name) |
3602 | ? "" : SSDATA (pane_name)); | |
3603 | if (keymaps && !NILP (prefix)) | |
3604 | pane_string++; | |
3605 | ||
3606 | lpane = tty_menu_add_pane (menu, pane_string); | |
3607 | if (lpane == TTYM_FAILURE) | |
3608 | { | |
3609 | tty_menu_destroy (menu); | |
3610 | *error_name = "Can't create pane"; | |
3611 | return Qnil; | |
3612 | } | |
3613 | i += MENU_ITEMS_PANE_LENGTH; | |
3614 | ||
3615 | /* Find the width of the widest item in this pane. */ | |
3616 | j = i; | |
3617 | while (j < menu_items_used) | |
3618 | { | |
3619 | Lisp_Object item; | |
dfe3ac02 | 3620 | item = AREF (menu_items, j); |
b5e9cbb6 EZ |
3621 | if (EQ (item, Qt)) |
3622 | break; | |
3623 | if (NILP (item)) | |
3624 | { | |
3625 | j++; | |
3626 | continue; | |
3627 | } | |
3628 | width = SBYTES (item); | |
3629 | if (width > maxwidth) | |
3630 | maxwidth = width; | |
3631 | ||
3632 | j += MENU_ITEMS_ITEM_LENGTH; | |
3633 | } | |
3634 | } | |
3635 | /* Ignore a nil in the item list. | |
3636 | It's meaningful only for dialog boxes. */ | |
dfe3ac02 | 3637 | else if (EQ (AREF (menu_items, i), Qquote)) |
b5e9cbb6 EZ |
3638 | i += 1; |
3639 | else | |
3640 | { | |
3641 | /* Create a new item within current pane. */ | |
3642 | Lisp_Object item_name, enable, descrip, help; | |
3643 | char *item_data; | |
3644 | char const *help_string; | |
3645 | ||
dfe3ac02 EZ |
3646 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
3647 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
3648 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
3649 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
b5e9cbb6 EZ |
3650 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
3651 | ||
3652 | if (!NILP (descrip)) | |
3653 | { | |
3654 | /* if alloca is fast, use that to make the space, | |
3655 | to reduce gc needs. */ | |
3656 | item_data = (char *) alloca (maxwidth + SBYTES (descrip) + 1); | |
3657 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); | |
3658 | for (j = SCHARS (item_name); j < maxwidth; j++) | |
3659 | item_data[j] = ' '; | |
3660 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); | |
3661 | item_data[j + SBYTES (descrip)] = 0; | |
3662 | } | |
3663 | else | |
3664 | item_data = SSDATA (item_name); | |
3665 | ||
3666 | if (lpane == TTYM_FAILURE | |
3667 | || (tty_menu_add_selection (menu, lpane, item_data, | |
3668 | !NILP (enable), help_string) | |
3669 | == TTYM_FAILURE)) | |
3670 | { | |
3671 | tty_menu_destroy (menu); | |
3672 | *error_name = "Can't add selection to menu"; | |
3673 | return Qnil; | |
3674 | } | |
3675 | i += MENU_ITEMS_ITEM_LENGTH; | |
3676 | lines++; | |
3677 | } | |
3678 | } | |
3679 | ||
3680 | maxlines = max (maxlines, lines); | |
3681 | ||
3682 | /* All set and ready to fly. */ | |
3683 | dispwidth = f->text_cols; | |
3684 | dispheight = f->text_lines; | |
3685 | x = min (x, dispwidth); | |
3686 | y = min (y, dispheight); | |
3687 | x = max (x, 1); | |
3688 | y = max (y, 1); | |
3689 | tty_menu_locate (menu, x, y, &ulx, &uly, &width, &height); | |
3690 | if (ulx+width > dispwidth) | |
3691 | { | |
3692 | x -= (ulx + width) - dispwidth; | |
3693 | ulx = dispwidth - width; | |
3694 | } | |
3695 | if (uly+height > dispheight) | |
3696 | { | |
3697 | y -= (uly + height) - dispheight; | |
3698 | uly = dispheight - height; | |
3699 | } | |
3700 | ||
df782309 | 3701 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 2) |
b5e9cbb6 EZ |
3702 | { |
3703 | /* Move the menu away of the echo area, to avoid overwriting the | |
3704 | menu with help echo messages or vice versa. */ | |
3705 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
3706 | { | |
df782309 EZ |
3707 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)) + 1; |
3708 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)) + 1; | |
b5e9cbb6 EZ |
3709 | } |
3710 | else | |
3711 | { | |
df782309 EZ |
3712 | y -= 2; |
3713 | uly -= 2; | |
b5e9cbb6 EZ |
3714 | } |
3715 | } | |
3716 | ||
3717 | if (ulx < 0) x -= ulx; | |
3718 | if (uly < 0) y -= uly; | |
3719 | ||
a01f89af EZ |
3720 | #if 0 |
3721 | /* This code doesn't make sense on a TTY, since it can easily annul | |
3722 | the adjustments above that carefully avoid truncation of the menu | |
5cbcc455 EZ |
3723 | items. I think it was written to fix some problem that only |
3724 | happens on X11. */ | |
b5e9cbb6 EZ |
3725 | if (! for_click) |
3726 | { | |
3727 | /* If position was not given by a mouse click, adjust so upper left | |
3728 | corner of the menu as a whole ends up at given coordinates. This | |
3729 | is what x-popup-menu says in its documentation. */ | |
3730 | x += width/2; | |
3731 | y += 1.5*height/(maxlines+2); | |
3732 | } | |
a01f89af | 3733 | #endif |
b5e9cbb6 EZ |
3734 | |
3735 | pane = selidx = 0; | |
3736 | ||
e7873136 | 3737 | record_unwind_protect (tty_pop_down_menu, make_save_ptr (menu)); |
b5e9cbb6 | 3738 | |
df782309 EZ |
3739 | specbind (Qoverriding_terminal_local_map, |
3740 | Fsymbol_value (Qtty_menu_navigation_map)); | |
b5e9cbb6 | 3741 | status = tty_menu_activate (menu, &pane, &selidx, x, y, &datap, |
4a48e94d | 3742 | tty_menu_help_callback, kbd_navigation); |
b5e9cbb6 EZ |
3743 | entry = pane_prefix = Qnil; |
3744 | ||
3745 | switch (status) | |
3746 | { | |
3747 | case TTYM_SUCCESS: | |
3748 | /* Find the item number SELIDX in pane number PANE. */ | |
3749 | i = 0; | |
3750 | while (i < menu_items_used) | |
3751 | { | |
dfe3ac02 | 3752 | if (EQ (AREF (menu_items, i), Qt)) |
b5e9cbb6 EZ |
3753 | { |
3754 | if (pane == 0) | |
3755 | pane_prefix | |
dfe3ac02 | 3756 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
b5e9cbb6 EZ |
3757 | pane--; |
3758 | i += MENU_ITEMS_PANE_LENGTH; | |
3759 | } | |
3760 | else | |
3761 | { | |
3762 | if (pane == -1) | |
3763 | { | |
3764 | if (selidx == 0) | |
3765 | { | |
3766 | entry | |
dfe3ac02 | 3767 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
b5e9cbb6 EZ |
3768 | if (keymaps != 0) |
3769 | { | |
3770 | entry = Fcons (entry, Qnil); | |
3771 | if (!NILP (pane_prefix)) | |
3772 | entry = Fcons (pane_prefix, entry); | |
3773 | } | |
3774 | break; | |
3775 | } | |
3776 | selidx--; | |
3777 | } | |
3778 | i += MENU_ITEMS_ITEM_LENGTH; | |
3779 | } | |
3780 | } | |
3781 | break; | |
3782 | ||
4a48e94d EZ |
3783 | case TTYM_NEXT: |
3784 | case TTYM_PREV: | |
3785 | tty_menu_new_item_coords (f, status, &item_x, &item_y); | |
3786 | entry = Fcons (make_number (item_x), make_number (item_y)); | |
3787 | break; | |
3788 | ||
b5e9cbb6 EZ |
3789 | case TTYM_FAILURE: |
3790 | *error_name = "Can't activate menu"; | |
3791 | case TTYM_IA_SELECT: | |
3792 | break; | |
3793 | case TTYM_NO_SELECT: | |
3794 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means | |
3795 | the menu was invoked with a mouse event as POSITION). */ | |
3796 | if (! for_click) | |
3797 | Fsignal (Qquit, Qnil); | |
3798 | break; | |
3799 | } | |
3800 | ||
3801 | unbind_to (specpdl_count, Qnil); | |
3802 | ||
3803 | return entry; | |
3804 | } | |
3805 | ||
3806 | #endif /* HAVE_MENUS && !MSDOS */ | |
3807 | ||
3808 | \f | |
89ba96f4 | 3809 | #ifndef MSDOS |
a168702a GM |
3810 | /*********************************************************************** |
3811 | Initialization | |
3812 | ***********************************************************************/ | |
3813 | ||
ed8dad6b KL |
3814 | /* Initialize the tty-dependent part of frame F. The frame must |
3815 | already have its device initialized. */ | |
3224dac1 | 3816 | |
dfcf069d | 3817 | void |
ed8dad6b | 3818 | create_tty_output (struct frame *f) |
28d440ab | 3819 | { |
38182d90 | 3820 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b | 3821 | |
9c253307 | 3822 | eassert (FRAME_TERMCAP_P (f)); |
428a555e | 3823 | |
6ed8eeff | 3824 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3825 | |
ed8dad6b | 3826 | f->output_data.tty = t; |
3224dac1 KL |
3827 | } |
3828 | ||
9f215d25 | 3829 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3830 | |
ed8dad6b | 3831 | static void |
9f215d25 | 3832 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3833 | { |
9c253307 | 3834 | eassert (FRAME_TERMCAP_P (f)); |
3224dac1 | 3835 | |
9f215d25 CY |
3836 | if (FRAME_FACE_CACHE (f)) |
3837 | free_frame_faces (f); | |
3838 | ||
ed8dad6b | 3839 | xfree (f->output_data.tty); |
28d440ab KL |
3840 | } |
3841 | ||
89ba96f4 EZ |
3842 | #else /* MSDOS */ |
3843 | ||
3844 | /* Delete frame F's face cache. */ | |
3845 | ||
3846 | static void | |
3847 | tty_free_frame_resources (struct frame *f) | |
3848 | { | |
9c253307 | 3849 | eassert (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)); |
89ba96f4 EZ |
3850 | |
3851 | if (FRAME_FACE_CACHE (f)) | |
3852 | free_frame_faces (f); | |
3853 | } | |
3854 | #endif /* MSDOS */ | |
ed8dad6b | 3855 | \f |
47cc8819 | 3856 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3857 | |
4a665758 KL |
3858 | static void |
3859 | clear_tty_hooks (struct terminal *terminal) | |
3860 | { | |
3861 | terminal->rif = 0; | |
3862 | terminal->cursor_to_hook = 0; | |
3863 | terminal->raw_cursor_to_hook = 0; | |
3864 | terminal->clear_to_end_hook = 0; | |
3865 | terminal->clear_frame_hook = 0; | |
3866 | terminal->clear_end_of_line_hook = 0; | |
3867 | terminal->ins_del_lines_hook = 0; | |
3868 | terminal->insert_glyphs_hook = 0; | |
3869 | terminal->write_glyphs_hook = 0; | |
3870 | terminal->delete_glyphs_hook = 0; | |
3871 | terminal->ring_bell_hook = 0; | |
3872 | terminal->reset_terminal_modes_hook = 0; | |
3873 | terminal->set_terminal_modes_hook = 0; | |
3874 | terminal->update_begin_hook = 0; | |
3875 | terminal->update_end_hook = 0; | |
3876 | terminal->set_terminal_window_hook = 0; | |
3877 | terminal->mouse_position_hook = 0; | |
3878 | terminal->frame_rehighlight_hook = 0; | |
3879 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3880 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3881 | terminal->set_vertical_scroll_bar_hook = 0; |
3882 | terminal->condemn_scroll_bars_hook = 0; | |
3883 | terminal->redeem_scroll_bar_hook = 0; | |
3884 | terminal->judge_scroll_bars_hook = 0; | |
3885 | terminal->read_socket_hook = 0; | |
3886 | terminal->frame_up_to_date_hook = 0; | |
3887 | ||
3888 | /* Leave these two set, or suspended frames are not deleted | |
3889 | correctly. */ | |
9f215d25 | 3890 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3891 | terminal->delete_terminal_hook = &delete_tty; |
3892 | } | |
3893 | ||
47cc8819 DN |
3894 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3895 | ||
4a665758 KL |
3896 | static void |
3897 | set_tty_hooks (struct terminal *terminal) | |
3898 | { | |
3899 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3900 | ||
3901 | terminal->cursor_to_hook = &tty_cursor_to; | |
3902 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3903 | ||
3904 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3905 | terminal->clear_frame_hook = &tty_clear_frame; | |
3906 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3907 | ||
3908 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3909 | ||
3910 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3911 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3912 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3913 | ||
3914 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3915 | |
4a665758 KL |
3916 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3917 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3918 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3919 | terminal->update_end_hook = &tty_update_end; | |
3920 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3921 | ||
3922 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3923 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3924 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3925 | ||
3926 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3927 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3928 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3929 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3930 | ||
3931 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3932 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3933 | |
9f215d25 | 3934 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3935 | terminal->delete_terminal_hook = &delete_tty; |
3936 | } | |
3937 | ||
b8956427 | 3938 | /* If FD is the controlling terminal, drop it. */ |
ed8dad6b | 3939 | static void |
03a1d6bd KL |
3940 | dissociate_if_controlling_tty (int fd) |
3941 | { | |
b8956427 PE |
3942 | /* If tcgetpgrp succeeds, fd is the controlling terminal, |
3943 | so dissociate it by invoking setsid. */ | |
908589fd | 3944 | if (tcgetpgrp (fd) >= 0 && setsid () < 0) |
b8956427 PE |
3945 | { |
3946 | #ifdef TIOCNOTTY | |
3947 | /* setsid failed, presumably because Emacs is already a process | |
3948 | group leader. Fall back on the obsolescent way to dissociate | |
3949 | a controlling tty. */ | |
3950 | block_tty_out_signal (); | |
3951 | ioctl (fd, TIOCNOTTY, 0); | |
3952 | unblock_tty_out_signal (); | |
3953 | #endif | |
3954 | } | |
03a1d6bd KL |
3955 | } |
3956 | ||
3224dac1 KL |
3957 | /* Create a termcap display on the tty device with the given name and |
3958 | type. | |
3959 | ||
ab797f65 | 3960 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3961 | Otherwise NAME should be a path to the tty device file, |
3962 | e.g. "/dev/pts/7". | |
28d440ab | 3963 | |
3224dac1 KL |
3964 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3965 | ||
a104f656 | 3966 | If MUST_SUCCEED is true, then all errors are fatal. */ |
da8e1115 | 3967 | |
6ed8eeff | 3968 | struct terminal * |
653d4f43 | 3969 | init_tty (const char *name, const char *terminal_type, bool must_succeed) |
08a24c47 | 3970 | { |
1fc8eb33 | 3971 | char *area; |
08a24c47 | 3972 | char **address = &area; |
08a24c47 | 3973 | int status; |
59b3194c KL |
3974 | struct tty_display_info *tty = NULL; |
3975 | struct terminal *terminal = NULL; | |
a104f656 | 3976 | bool ctty = false; /* True if asked to open controlling tty. */ |
28d440ab | 3977 | |
3224dac1 | 3978 | if (!terminal_type) |
d31eee5e | 3979 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3980 | "Unknown terminal type", |
3981 | "Unknown terminal type"); | |
b6660415 | 3982 | |
ab797f65 | 3983 | if (name == NULL) |
78048085 EZ |
3984 | name = DEV_TTY; |
3985 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3986 | ctty = 1; |
3987 | ||
6ed8eeff KL |
3988 | /* If we already have a terminal on the given device, use that. If |
3989 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3990 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3991 | always create a new terminal and separating terminal and frame |
b6660415 | 3992 | creation on Lisp level. */ |
6ed8eeff KL |
3993 | terminal = get_named_tty (name); |
3994 | if (terminal) | |
3995 | return terminal; | |
78048085 | 3996 | |
6ed8eeff | 3997 | terminal = create_terminal (); |
84704c5c EZ |
3998 | #ifdef MSDOS |
3999 | if (been_here > 0) | |
762b15be | 4000 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
4001 | name, ""); |
4002 | been_here = 1; | |
4003 | tty = &the_only_display_info; | |
4004 | #else | |
38182d90 | 4005 | tty = xzalloc (sizeof *tty); |
84704c5c | 4006 | #endif |
c650a5de | 4007 | tty->top_frame = Qnil; |
3224dac1 KL |
4008 | tty->next = tty_list; |
4009 | tty_list = tty; | |
428a555e | 4010 | |
6ed8eeff KL |
4011 | terminal->type = output_termcap; |
4012 | terminal->display_info.tty = tty; | |
4013 | tty->terminal = terminal; | |
28d440ab | 4014 | |
38182d90 | 4015 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 4016 | Wcm_clear (tty); |
daf01701 | 4017 | |
dce4c2ac DN |
4018 | encode_terminal_src_size = 0; |
4019 | encode_terminal_dst_size = 0; | |
4020 | ||
51b59d79 | 4021 | |
84704c5c | 4022 | #ifndef DOS_NT |
4a665758 | 4023 | set_tty_hooks (terminal); |
78048085 | 4024 | |
59b3194c | 4025 | { |
49cdacda | 4026 | /* Open the terminal device. */ |
0c72d684 | 4027 | |
49cdacda PE |
4028 | /* If !ctty, don't recognize it as our controlling terminal, and |
4029 | don't make it the controlling tty if we don't have one now. | |
4030 | ||
4031 | Alas, O_IGNORE_CTTY is a GNU extension that seems to be only | |
4032 | defined on Hurd. On other systems, we need to explicitly | |
4033 | dissociate ourselves from the controlling tty when we want to | |
4034 | open a frame on the same terminal. */ | |
4035 | int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY); | |
4036 | int fd = emacs_open (name, flags, 0); | |
ef30e638 | 4037 | tty->input = tty->output = fd < 0 || ! isatty (fd) ? 0 : fdopen (fd, "w+"); |
0c72d684 | 4038 | |
ef30e638 | 4039 | if (! tty->input) |
59b3194c | 4040 | { |
ef30e638 PE |
4041 | char const *diagnostic |
4042 | = tty->input ? "Not a tty device: %s" : "Could not open file: %s"; | |
4043 | emacs_close (fd); | |
4044 | maybe_fatal (must_succeed, terminal, diagnostic, diagnostic, name); | |
59b3194c | 4045 | } |
0c72d684 | 4046 | |
ef30e638 PE |
4047 | tty->name = xstrdup (name); |
4048 | terminal->name = xstrdup (name); | |
4049 | ||
49cdacda | 4050 | if (!O_IGNORE_CTTY && !ctty) |
03a1d6bd | 4051 | dissociate_if_controlling_tty (fd); |
59b3194c | 4052 | } |
78048085 | 4053 | |
28d7d09f | 4054 | tty->type = xstrdup (terminal_type); |
28d440ab | 4055 | |
819b8f00 | 4056 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 4057 | |
6548cf00 | 4058 | Wcm_clear (tty); |
08a24c47 | 4059 | |
03a1d6bd | 4060 | /* On some systems, tgetent tries to access the controlling |
a104f656 | 4061 | terminal. */ |
b8956427 PE |
4062 | block_tty_out_signal (); |
4063 | status = tgetent (tty->termcap_term_buffer, terminal_type); | |
1fc8eb33 PE |
4064 | if (tty->termcap_term_buffer[TERMCAP_BUFFER_SIZE - 1]) |
4065 | emacs_abort (); | |
b8956427 | 4066 | unblock_tty_out_signal (); |
78048085 | 4067 | |
08a24c47 | 4068 | if (status < 0) |
b0347178 KH |
4069 | { |
4070 | #ifdef TERMINFO | |
d31eee5e | 4071 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4072 | "Cannot open terminfo database file", |
4073 | "Cannot open terminfo database file"); | |
b0347178 | 4074 | #else |
d31eee5e | 4075 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4076 | "Cannot open termcap database file", |
4077 | "Cannot open termcap database file"); | |
b0347178 KH |
4078 | #endif |
4079 | } | |
08a24c47 | 4080 | if (status == 0) |
b0347178 | 4081 | { |
d31eee5e | 4082 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4083 | "Terminal type %s is not defined", |
4084 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
4085 | If that is not the actual type of terminal you have,\n\ |
4086 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
4087 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
4088 | #ifdef TERMINFO | |
4089 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 4090 | #else |
84164a0d | 4091 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 4092 | #endif |
84164a0d | 4093 | terminal_type); |
b0347178 | 4094 | } |
6b61353c | 4095 | |
1fc8eb33 | 4096 | area = tty->termcap_strings_buffer; |
fca177d4 KL |
4097 | tty->TS_ins_line = tgetstr ("al", address); |
4098 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
4099 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 4100 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
4101 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
4102 | tty->TS_clr_line = tgetstr ("ce", address); | |
4103 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
4104 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
4105 | AbsPosition (tty) = tgetstr ("cm", address); | |
4106 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
4107 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
4108 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 4109 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
4110 | tty->TS_del_char = tgetstr ("dc", address); |
4111 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
4112 | tty->TS_del_line = tgetstr ("dl", address); | |
4113 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
4114 | tty->TS_delete_mode = tgetstr ("dm", address); | |
4115 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
4116 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 4117 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
4118 | tty->TS_ins_char = tgetstr ("ic", address); |
4119 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
4120 | tty->TS_insert_mode = tgetstr ("im", address); | |
4121 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
4122 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
4123 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
4124 | LastLine (tty) = tgetstr ("ll", address); |
4125 | Right (tty) = tgetstr ("nd", address); | |
4126 | Down (tty) = tgetstr ("do", address); | |
4127 | if (!Down (tty)) | |
a104f656 | 4128 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do". */ |
08a24c47 | 4129 | if (tgetflag ("bs")) |
a104f656 SM |
4130 | Left (tty) = "\b"; /* Can't possibly be longer! */ |
4131 | else /* (Actually, "bs" is obsolete...) */ | |
6548cf00 KL |
4132 | Left (tty) = tgetstr ("le", address); |
4133 | if (!Left (tty)) | |
a104f656 | 4134 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le". */ |
fca177d4 KL |
4135 | tty->TS_pad_char = tgetstr ("pc", address); |
4136 | tty->TS_repeat = tgetstr ("rp", address); | |
4137 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
4138 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
4139 | tty->TS_standout_mode = tgetstr ("so", address); | |
4140 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 4141 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
4142 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
4143 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 4144 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
4145 | tty->TS_visible_bell = tgetstr ("vb", address); |
4146 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
4147 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
4148 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
4149 | tty->TS_set_window = tgetstr ("wi", address); | |
4150 | ||
4151 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
4152 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
4153 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 4154 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 4155 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
4156 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
4157 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
4158 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
4159 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 4160 | |
6548cf00 KL |
4161 | MultiUp (tty) = tgetstr ("UP", address); |
4162 | MultiDown (tty) = tgetstr ("DO", address); | |
4163 | MultiLeft (tty) = tgetstr ("LE", address); | |
4164 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 4165 | |
5c32d3f2 | 4166 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
4167 | color because we can't switch back to the default foreground and |
4168 | background. */ | |
fca177d4 KL |
4169 | tty->TS_orig_pair = tgetstr ("op", address); |
4170 | if (tty->TS_orig_pair) | |
a168702a | 4171 | { |
fca177d4 KL |
4172 | tty->TS_set_foreground = tgetstr ("AF", address); |
4173 | tty->TS_set_background = tgetstr ("AB", address); | |
4174 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
4175 | { |
4176 | /* SVr4. */ | |
fca177d4 KL |
4177 | tty->TS_set_foreground = tgetstr ("Sf", address); |
4178 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 4179 | } |
177c0ea7 | 4180 | |
fca177d4 KL |
4181 | tty->TN_max_colors = tgetnum ("Co"); |
4182 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 4183 | |
fca177d4 KL |
4184 | tty->TN_no_color_video = tgetnum ("NC"); |
4185 | if (tty->TN_no_color_video == -1) | |
4186 | tty->TN_no_color_video = 0; | |
a168702a | 4187 | } |
a168702a | 4188 | |
fca177d4 | 4189 | tty_default_color_capabilities (tty, 1); |
ace28297 | 4190 | |
6548cf00 | 4191 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
4192 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
4193 | the former flag imply the latter. */ | |
6548cf00 | 4194 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 4195 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 4196 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 4197 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
4198 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
4199 | tty->TF_insmode_motion = tgetflag ("mi"); | |
4200 | tty->TF_standout_motion = tgetflag ("ms"); | |
4201 | tty->TF_underscore = tgetflag ("ul"); | |
4202 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 4203 | |
dce4c2ac DN |
4204 | #else /* DOS_NT */ |
4205 | #ifdef WINDOWSNT | |
4206 | { | |
4207 | struct frame *f = XFRAME (selected_frame); | |
9337e206 | 4208 | int height, width; |
dce4c2ac | 4209 | |
9337e206 | 4210 | initialize_w32_display (terminal, &width, &height); |
dce4c2ac | 4211 | |
9337e206 EZ |
4212 | FrameRows (tty) = height; |
4213 | FrameCols (tty) = width; | |
4214 | tty->specified_window = height; | |
dce4c2ac | 4215 | |
dce4c2ac DN |
4216 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; |
4217 | terminal->char_ins_del_ok = 1; | |
4218 | baud_rate = 19200; | |
4219 | } | |
4220 | #else /* MSDOS */ | |
4221 | { | |
4222 | int height, width; | |
4223 | if (strcmp (terminal_type, "internal") == 0) | |
4224 | terminal->type = output_msdos_raw; | |
4225 | initialize_msdos_display (terminal); | |
4226 | ||
4227 | get_tty_size (fileno (tty->input), &width, &height); | |
4228 | FrameCols (tty) = width; | |
4229 | FrameRows (tty) = height; | |
4230 | terminal->char_ins_del_ok = 0; | |
4231 | init_baud_rate (fileno (tty->input)); | |
4232 | } | |
4233 | #endif /* MSDOS */ | |
4234 | tty->output = stdout; | |
4235 | tty->input = stdin; | |
4236 | /* The following two are inaccessible from w32console.c. */ | |
4237 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
4238 | terminal->delete_terminal_hook = &delete_tty; | |
4239 | ||
4240 | tty->name = xstrdup (name); | |
4241 | terminal->name = xstrdup (name); | |
4242 | tty->type = xstrdup (terminal_type); | |
4243 | ||
4244 | add_keyboard_wait_descriptor (0); | |
4245 | ||
dce4c2ac DN |
4246 | tty->delete_in_insert_mode = 1; |
4247 | ||
4248 | UseTabs (tty) = 0; | |
4249 | terminal->scroll_region_ok = 0; | |
4250 | ||
4251 | /* Seems to insert lines when it's not supposed to, messing up the | |
4252 | display. In doing a trace, it didn't seem to be called much, so I | |
4253 | don't think we're losing anything by turning it off. */ | |
4254 | terminal->line_ins_del_ok = 0; | |
4255 | ||
a104f656 | 4256 | tty->TN_max_colors = 16; /* Must be non-zero for tty-display-color-p. */ |
dce4c2ac DN |
4257 | #endif /* DOS_NT */ |
4258 | ||
6bc8cd65 JB |
4259 | #ifdef HAVE_GPM |
4260 | terminal->mouse_position_hook = term_mouse_position; | |
4261 | tty->mouse_highlight.mouse_face_window = Qnil; | |
4262 | #endif | |
4263 | ||
1afcba63 | 4264 | terminal->kboard = allocate_kboard (Qnil); |
6ed8eeff | 4265 | terminal->kboard->reference_count++; |
e7cf0fa0 KL |
4266 | /* Don't let the initial kboard remain current longer than necessary. |
4267 | That would cause problems if a file loaded on startup tries to | |
4268 | prompt in the mini-buffer. */ | |
4269 | if (current_kboard == initial_kboard) | |
6ed8eeff | 4270 | current_kboard = terminal->kboard; |
84704c5c | 4271 | #ifndef DOS_NT |
6ed8eeff | 4272 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 4273 | |
ff11dfa1 | 4274 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
4275 | { |
4276 | int height, width; | |
0b0d3e0b | 4277 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
4278 | FrameCols (tty) = width; |
4279 | FrameRows (tty) = height; | |
3b12ce12 RS |
4280 | } |
4281 | ||
0a125897 KL |
4282 | if (FrameCols (tty) <= 0) |
4283 | FrameCols (tty) = tgetnum ("co"); | |
4284 | if (FrameRows (tty) <= 0) | |
4285 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 4286 | |
0a125897 | 4287 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 4288 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 4289 | "Screen size %dx%d is too small", |
3224dac1 | 4290 | "Screen size %dx%d is too small", |
0a125897 | 4291 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 4292 | |
6548cf00 | 4293 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 4294 | |
fca177d4 KL |
4295 | if (!tty->TS_bell) |
4296 | tty->TS_bell = "\07"; | |
08a24c47 | 4297 | |
fca177d4 KL |
4298 | if (!tty->TS_fwd_scroll) |
4299 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 4300 | |
fca177d4 | 4301 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 4302 | |
6548cf00 KL |
4303 | if (TabWidth (tty) < 0) |
4304 | TabWidth (tty) = 8; | |
177c0ea7 | 4305 | |
08a24c47 JB |
4306 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
4307 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
4308 | if (!tty->Wcm->cm_tab) |
4309 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
4310 | */ |
4311 | ||
54800acb MB |
4312 | /* We don't support standout modes that use `magic cookies', so |
4313 | turn off any that do. */ | |
fca177d4 | 4314 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 4315 | { |
fca177d4 KL |
4316 | tty->TS_standout_mode = 0; |
4317 | tty->TS_end_standout_mode = 0; | |
54800acb | 4318 | } |
fca177d4 | 4319 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 4320 | { |
fca177d4 KL |
4321 | tty->TS_enter_underline_mode = 0; |
4322 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
4323 | } |
4324 | ||
4325 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 4326 | if (tty->TS_standout_mode == 0) |
08a24c47 | 4327 | { |
fca177d4 KL |
4328 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
4329 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
4330 | } |
4331 | ||
afd359c4 RS |
4332 | /* If no `se' string, try using a `me' string instead. |
4333 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 4334 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 4335 | { |
e4bfb3b6 | 4336 | char *s = tgetstr ("me", address); |
afd359c4 | 4337 | if (s != 0) |
fca177d4 | 4338 | tty->TS_end_standout_mode = s; |
afd359c4 | 4339 | else |
fca177d4 | 4340 | tty->TS_standout_mode = 0; |
afd359c4 RS |
4341 | } |
4342 | ||
fca177d4 | 4343 | if (tty->TF_teleray) |
08a24c47 | 4344 | { |
6548cf00 | 4345 | tty->Wcm->cm_tab = 0; |
54800acb | 4346 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 4347 | tty->TS_standout_mode = 0; |
a104f656 | 4348 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 4349 | CR (tty) = 0; |
a104f656 SM |
4350 | /* LF can't be trusted either -- can alter hpos. */ |
4351 | /* If move at column 0 thru a line with TS_standout_mode. */ | |
6548cf00 | 4352 | Down (tty) = 0; |
08a24c47 JB |
4353 | } |
4354 | ||
0a125897 | 4355 | tty->specified_window = FrameRows (tty); |
08a24c47 | 4356 | |
a104f656 | 4357 | if (Wcm_init (tty) == -1) /* Can't do cursor motion. */ |
3224dac1 | 4358 | { |
d31eee5e | 4359 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 4360 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 4361 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
4362 | It lacks the ability to position the cursor.\n\ |
4363 | If that is not the actual type of terminal you have,\n\ | |
4364 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
4365 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
4366 | # ifdef TERMINFO | |
4367 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 4368 | # else /* TERMCAP */ |
84164a0d | 4369 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 4370 | # endif /* TERMINFO */ |
3224dac1 | 4371 | terminal_type); |
fca177d4 | 4372 | } |
daf01701 | 4373 | |
0a125897 | 4374 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 4375 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4376 | "Could not determine the frame size", |
4377 | "Could not determine the frame size"); | |
08a24c47 | 4378 | |
fca177d4 KL |
4379 | tty->delete_in_insert_mode |
4380 | = tty->TS_delete_mode && tty->TS_insert_mode | |
4381 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 4382 | |
0b0d3e0b | 4383 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 4384 | |
6ed8eeff | 4385 | terminal->scroll_region_ok |
6548cf00 | 4386 | = (tty->Wcm->cm_abs |
fca177d4 | 4387 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 4388 | |
6ed8eeff | 4389 | terminal->line_ins_del_ok |
fca177d4 KL |
4390 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
4391 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 4392 | || (terminal->scroll_region_ok |
fca177d4 | 4393 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 4394 | |
6ed8eeff | 4395 | terminal->char_ins_del_ok |
fca177d4 KL |
4396 | = ((tty->TS_ins_char || tty->TS_insert_mode |
4397 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
4398 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 4399 | |
6ed8eeff | 4400 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 4401 | |
0b0d3e0b | 4402 | init_baud_rate (fileno (tty->input)); |
20a558dc | 4403 | |
84704c5c | 4404 | #endif /* not DOS_NT */ |
635e3b29 | 4405 | |
0a125897 KL |
4406 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
4407 | init_sys_modes (tty); | |
daf01701 | 4408 | |
6ed8eeff | 4409 | return terminal; |
08a24c47 JB |
4410 | } |
4411 | ||
b3ffc17c DN |
4412 | |
4413 | static void | |
4414 | vfatal (const char *str, va_list ap) | |
4415 | { | |
4416 | fprintf (stderr, "emacs: "); | |
4417 | vfprintf (stderr, str, ap); | |
4418 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
4419 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
4420 | fflush (stderr); |
4421 | exit (1); | |
4422 | } | |
4423 | ||
4424 | ||
a4c6993d | 4425 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 4426 | Delete TERMINAL, then call error or fatal with str1 or str2, |
653d4f43 | 4427 | respectively, according to whether MUST_SUCCEED is true. */ |
6b61353c | 4428 | |
3224dac1 | 4429 | static void |
653d4f43 | 4430 | maybe_fatal (bool must_succeed, struct terminal *terminal, |
b3ffc17c | 4431 | const char *str1, const char *str2, ...) |
3224dac1 | 4432 | { |
b3ffc17c DN |
4433 | va_list ap; |
4434 | va_start (ap, str2); | |
6ed8eeff KL |
4435 | if (terminal) |
4436 | delete_tty (terminal); | |
f4d953fc | 4437 | |
3224dac1 | 4438 | if (must_succeed) |
b3ffc17c | 4439 | vfatal (str2, ap); |
3224dac1 | 4440 | else |
b3ffc17c | 4441 | verror (str1, ap); |
08a24c47 JB |
4442 | } |
4443 | ||
dfcf069d | 4444 | void |
7c401d15 | 4445 | fatal (const char *str, ...) |
08a24c47 | 4446 | { |
7c401d15 DN |
4447 | va_list ap; |
4448 | va_start (ap, str); | |
b3ffc17c | 4449 | vfatal (str, ap); |
08a24c47 | 4450 | } |
07c57952 | 4451 | |
819b8f00 KL |
4452 | \f |
4453 | ||
6ed8eeff | 4454 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 4455 | |
ed8dad6b | 4456 | static void |
6ed8eeff | 4457 | delete_tty (struct terminal *terminal) |
072d84a6 | 4458 | { |
428a555e | 4459 | struct tty_display_info *tty; |
f4d953fc | 4460 | |
e2749141 | 4461 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 4462 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 4463 | if (!terminal->name) |
0a125897 | 4464 | return; |
fca177d4 | 4465 | |
9c253307 | 4466 | eassert (terminal->type == output_termcap); |
428a555e | 4467 | |
6ed8eeff | 4468 | tty = terminal->display_info.tty; |
f4d953fc | 4469 | |
fca177d4 KL |
4470 | if (tty == tty_list) |
4471 | tty_list = tty->next; | |
4472 | else | |
4473 | { | |
28d7d09f | 4474 | struct tty_display_info *p; |
fca177d4 KL |
4475 | for (p = tty_list; p && p->next != tty; p = p->next) |
4476 | ; | |
4477 | ||
4478 | if (! p) | |
4479 | /* This should not happen. */ | |
1088b922 | 4480 | emacs_abort (); |
fca177d4 | 4481 | |
0a125897 KL |
4482 | p->next = tty->next; |
4483 | tty->next = 0; | |
fca177d4 KL |
4484 | } |
4485 | ||
7e59217d | 4486 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 4487 | before delete_terminal. */ |
04c3243c | 4488 | reset_sys_modes (tty); |
fca177d4 | 4489 | |
6ed8eeff | 4490 | delete_terminal (terminal); |
3224dac1 | 4491 | |
70fdbb46 JM |
4492 | xfree (tty->name); |
4493 | xfree (tty->type); | |
daf01701 | 4494 | |
fca177d4 | 4495 | if (tty->input) |
819b8f00 KL |
4496 | { |
4497 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
4498 | if (tty->input != stdin) | |
4499 | fclose (tty->input); | |
4500 | } | |
4501 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
4502 | fclose (tty->output); |
4503 | if (tty->termscript) | |
4504 | fclose (tty->termscript); | |
daf01701 | 4505 | |
70fdbb46 JM |
4506 | xfree (tty->old_tty); |
4507 | xfree (tty->Wcm); | |
fca177d4 | 4508 | xfree (tty); |
fca177d4 KL |
4509 | } |
4510 | ||
dfcf069d | 4511 | void |
d3da34e0 | 4512 | syms_of_term (void) |
07c57952 | 4513 | { |
29208e82 | 4514 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 4515 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 4516 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4517 | #ifdef TERMINFO |
4518 | system_uses_terminfo = 1; | |
4519 | #else | |
4520 | system_uses_terminfo = 0; | |
4521 | #endif | |
c291d9ef | 4522 | |
29208e82 | 4523 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 4524 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 4525 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 4526 | See `suspend-tty'. */); |
e4019195 | 4527 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4528 | |
4529 | ||
29208e82 | 4530 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 4531 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 4532 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 4533 | See `resume-tty'. */); |
e4019195 | 4534 | Vresume_tty_functions = Qnil; |
a168702a | 4535 | |
29208e82 | 4536 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
4537 | doc: /* Non-nil means to make the cursor very visible. |
4538 | This only has an effect when running in a text terminal. | |
4539 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4540 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4541 | visible_cursor = 1; | |
4542 | ||
a168702a | 4543 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4544 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4545 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4546 | defsubr (&Stty_type); |
4547 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 4548 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
4549 | defsubr (&Ssuspend_tty); |
4550 | defsubr (&Sresume_tty); | |
7e5a23bd | 4551 | #ifdef HAVE_GPM |
6178ce5e SM |
4552 | defsubr (&Sgpm_mouse_start); |
4553 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 4554 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4555 | |
84704c5c | 4556 | #ifndef DOS_NT |
3a7c5d40 CY |
4557 | default_orig_pair = NULL; |
4558 | default_set_foreground = NULL; | |
4559 | default_set_background = NULL; | |
84704c5c | 4560 | #endif /* !DOS_NT */ |
d31eee5e CY |
4561 | |
4562 | encode_terminal_src = NULL; | |
4563 | encode_terminal_dst = NULL; | |
f0177f86 | 4564 | |
df782309 EZ |
4565 | DEFSYM (Qtty_menu_next_item, "tty-menu-next-item"); |
4566 | DEFSYM (Qtty_menu_prev_item, "tty-menu-prev-item"); | |
4567 | DEFSYM (Qtty_menu_next_menu, "tty-menu-next-menu"); | |
4568 | DEFSYM (Qtty_menu_prev_menu, "tty-menu-prev-menu"); | |
4569 | DEFSYM (Qtty_menu_select, "tty-menu-select"); | |
4570 | DEFSYM (Qtty_menu_ignore, "tty-menu-ignore"); | |
4571 | DEFSYM (Qtty_menu_exit, "tty-menu-exit"); | |
e648f699 | 4572 | DEFSYM (Qtty_menu_mouse_movement, "tty-menu-mouse-movement"); |
df782309 | 4573 | DEFSYM (Qtty_menu_navigation_map, "tty-menu-navigation-map"); |
07c57952 | 4574 | } |