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); | |
7d563e36 | 223 | fflush (tty->output); |
08a24c47 JB |
224 | } |
225 | ||
da8e1115 KL |
226 | /* The implementation of set_terminal_window for termcap frames. */ |
227 | ||
ed8dad6b | 228 | static void |
385ed61f | 229 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 230 | { |
3224dac1 KL |
231 | struct tty_display_info *tty = FRAME_TTY (f); |
232 | ||
233 | tty->specified_window = size ? size : FRAME_LINES (f); | |
234 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 235 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
236 | } |
237 | ||
ed8dad6b KL |
238 | static void |
239 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
240 | { |
241 | char *buf; | |
28d7d09f | 242 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 243 | |
fca177d4 | 244 | if (tty->TS_set_scroll_region) |
50938595 | 245 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
246 | else if (tty->TS_set_scroll_region_1) |
247 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
248 | FRAME_LINES (f), start, |
249 | FRAME_LINES (f) - stop, | |
250 | FRAME_LINES (f)); | |
08a24c47 | 251 | else |
fca177d4 | 252 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 253 | |
6548cf00 | 254 | OUTPUT (tty, buf); |
9ac0d9e0 | 255 | xfree (buf); |
6548cf00 | 256 | losecursor (tty); |
08a24c47 | 257 | } |
d284f58f | 258 | |
08a24c47 | 259 | \f |
d284f58f | 260 | static void |
ed8dad6b | 261 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 262 | { |
fca177d4 KL |
263 | if (!tty->insert_mode) |
264 | OUTPUT (tty, tty->TS_insert_mode); | |
265 | tty->insert_mode = 1; | |
08a24c47 JB |
266 | } |
267 | ||
dfcf069d | 268 | void |
ed8dad6b | 269 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 270 | { |
fca177d4 KL |
271 | if (tty->insert_mode) |
272 | OUTPUT (tty, tty->TS_end_insert_mode); | |
273 | tty->insert_mode = 0; | |
08a24c47 JB |
274 | } |
275 | \f | |
54800acb | 276 | /* Handle highlighting. */ |
08a24c47 | 277 | |
64520e5c | 278 | static void |
ed8dad6b | 279 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 280 | { |
fca177d4 KL |
281 | if (tty->standout_mode) |
282 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
283 | tty->standout_mode = 0; | |
08a24c47 JB |
284 | } |
285 | ||
d284f58f | 286 | static void |
ed8dad6b | 287 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 288 | { |
fca177d4 KL |
289 | if (!tty->standout_mode) |
290 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
291 | tty->standout_mode = 1; | |
08a24c47 JB |
292 | } |
293 | ||
86a7d192 | 294 | static void |
ed8dad6b | 295 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 296 | { |
fca177d4 | 297 | if (tty->standout_mode) |
ed8dad6b | 298 | tty_turn_off_highlight (tty); |
86a7d192 | 299 | else |
ed8dad6b | 300 | tty_turn_on_highlight (tty); |
86a7d192 GM |
301 | } |
302 | ||
a168702a GM |
303 | |
304 | /* Make cursor invisible. */ | |
305 | ||
306 | static void | |
28d7d09f | 307 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 308 | { |
fca177d4 | 309 | if (tty->cursor_hidden == 0) |
d284f58f | 310 | { |
fca177d4 | 311 | tty->cursor_hidden = 1; |
28a16449 EZ |
312 | #ifdef WINDOWSNT |
313 | w32con_hide_cursor (); | |
314 | #else | |
fca177d4 | 315 | OUTPUT_IF (tty, tty->TS_cursor_invisible); |
28a16449 | 316 | #endif |
d284f58f | 317 | } |
a168702a GM |
318 | } |
319 | ||
320 | ||
321 | /* Ensure that cursor is visible. */ | |
322 | ||
323 | static void | |
28d7d09f | 324 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 325 | { |
fca177d4 | 326 | if (tty->cursor_hidden) |
d284f58f | 327 | { |
fca177d4 | 328 | tty->cursor_hidden = 0; |
28a16449 EZ |
329 | #ifdef WINDOWSNT |
330 | w32con_show_cursor (); | |
331 | #else | |
fca177d4 | 332 | OUTPUT_IF (tty, tty->TS_cursor_normal); |
0db017c0 | 333 | if (visible_cursor) |
b58cb614 | 334 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
28a16449 | 335 | #endif |
d284f58f | 336 | } |
a168702a GM |
337 | } |
338 | ||
339 | ||
08a24c47 JB |
340 | /* Set standout mode to the state it should be in for |
341 | empty space inside windows. What this is, | |
342 | depends on the user option inverse-video. */ | |
343 | ||
ed8dad6b KL |
344 | static void |
345 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 346 | { |
08a24c47 | 347 | if (inverse_video) |
ed8dad6b | 348 | tty_turn_on_highlight (tty); |
08a24c47 | 349 | else |
ed8dad6b | 350 | tty_turn_off_highlight (tty); |
08a24c47 JB |
351 | } |
352 | ||
353 | /* Set standout mode to the mode specified for the text to be output. */ | |
354 | ||
dfcf069d | 355 | static void |
ed8dad6b | 356 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 357 | { |
8ede64a5 | 358 | if (inverse_video) |
ed8dad6b | 359 | tty_turn_on_highlight (tty); |
8ede64a5 | 360 | else |
ed8dad6b | 361 | tty_turn_off_highlight (tty); |
08a24c47 JB |
362 | } |
363 | \f | |
364 | ||
a168702a GM |
365 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
366 | frame-relative coordinates. */ | |
08a24c47 | 367 | |
ed8dad6b | 368 | static void |
385ed61f | 369 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 370 | { |
3224dac1 | 371 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 372 | |
36cae867 KH |
373 | /* Detect the case where we are called from reset_sys_modes |
374 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 375 | if (! tty->costs_set) |
36cae867 KH |
376 | return; |
377 | ||
6548cf00 KL |
378 | if (curY (tty) == vpos |
379 | && curX (tty) == hpos) | |
08a24c47 | 380 | return; |
fca177d4 | 381 | if (!tty->TF_standout_motion) |
ed8dad6b | 382 | tty_background_highlight (tty); |
fca177d4 | 383 | if (!tty->TF_insmode_motion) |
ed8dad6b | 384 | tty_turn_off_insert (tty); |
6548cf00 | 385 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
386 | } |
387 | ||
388 | /* Similar but don't take any account of the wasted characters. */ | |
389 | ||
ed8dad6b | 390 | static void |
385ed61f | 391 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 392 | { |
3224dac1 KL |
393 | struct tty_display_info *tty = FRAME_TTY (f); |
394 | ||
6548cf00 KL |
395 | if (curY (tty) == row |
396 | && curX (tty) == col) | |
08a24c47 | 397 | return; |
fca177d4 | 398 | if (!tty->TF_standout_motion) |
ed8dad6b | 399 | tty_background_highlight (tty); |
fca177d4 | 400 | if (!tty->TF_insmode_motion) |
ed8dad6b | 401 | tty_turn_off_insert (tty); |
6548cf00 | 402 | cmgoto (tty, row, col); |
08a24c47 JB |
403 | } |
404 | \f | |
405 | /* Erase operations */ | |
406 | ||
da8e1115 KL |
407 | /* Clear from cursor to end of frame on a termcap device. */ |
408 | ||
ed8dad6b | 409 | static void |
385ed61f | 410 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
411 | { |
412 | register int i; | |
3224dac1 | 413 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 414 | |
fca177d4 | 415 | if (tty->TS_clr_to_bottom) |
08a24c47 | 416 | { |
ed8dad6b | 417 | tty_background_highlight (tty); |
fca177d4 | 418 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
419 | } |
420 | else | |
421 | { | |
6548cf00 | 422 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 423 | { |
385ed61f KL |
424 | cursor_to (f, i, 0); |
425 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
426 | } |
427 | } | |
428 | } | |
429 | ||
da8e1115 | 430 | /* Clear an entire termcap frame. */ |
08a24c47 | 431 | |
ed8dad6b | 432 | static void |
385ed61f | 433 | tty_clear_frame (struct frame *f) |
08a24c47 | 434 | { |
3224dac1 | 435 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 436 | |
fca177d4 | 437 | if (tty->TS_clr_frame) |
08a24c47 | 438 | { |
ed8dad6b | 439 | tty_background_highlight (tty); |
fca177d4 | 440 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 441 | cmat (tty, 0, 0); |
08a24c47 JB |
442 | } |
443 | else | |
444 | { | |
385ed61f KL |
445 | cursor_to (f, 0, 0); |
446 | clear_to_end (f); | |
08a24c47 JB |
447 | } |
448 | } | |
449 | ||
da8e1115 | 450 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
451 | |
452 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
453 | ||
ed8dad6b | 454 | static void |
385ed61f | 455 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
456 | { |
457 | register int i; | |
3224dac1 | 458 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 459 | |
36cae867 KH |
460 | /* Detect the case where we are called from reset_sys_modes |
461 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 462 | if (! tty->costs_set) |
36cae867 KH |
463 | return; |
464 | ||
6548cf00 | 465 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 466 | return; |
ed8dad6b | 467 | tty_background_highlight (tty); |
fca177d4 | 468 | if (tty->TS_clr_line) |
08a24c47 | 469 | { |
fca177d4 | 470 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
471 | } |
472 | else | |
473 | { /* have to do it the hard way */ | |
ed8dad6b | 474 | tty_turn_off_insert (tty); |
08a24c47 | 475 | |
a168702a | 476 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 477 | if (AutoWrap (tty) |
0a125897 KL |
478 | && curY (tty) == FrameRows (tty) - 1 |
479 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
480 | first_unused_hpos--; |
481 | ||
6548cf00 | 482 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 483 | { |
0b0d3e0b KL |
484 | if (tty->termscript) |
485 | fputc (' ', tty->termscript); | |
486 | fputc (' ', tty->output); | |
08a24c47 | 487 | } |
6548cf00 | 488 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
489 | } |
490 | } | |
491 | \f | |
288d5132 KH |
492 | /* Buffers to store the source and result of code conversion for terminal. */ |
493 | static unsigned char *encode_terminal_src; | |
494 | static unsigned char *encode_terminal_dst; | |
495 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
496 | static ptrdiff_t encode_terminal_src_size; |
497 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
498 | |
499 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
500 | Set CODING->produced to the byte-length of the resulting byte | |
501 | sequence, and return a pointer to that byte sequence. */ | |
502 | ||
3d798ba7 PE |
503 | #ifndef WINDOWSNT |
504 | static | |
505 | #endif | |
7ef4b50c | 506 | unsigned char * |
3d798ba7 PE |
507 | encode_terminal_code (struct glyph *src, int src_len, |
508 | struct coding_system *coding) | |
a4decb7f | 509 | { |
feef4f84 | 510 | struct glyph *src_end = src + src_len; |
288d5132 | 511 | unsigned char *buf; |
fee31f82 PE |
512 | ptrdiff_t nchars, nbytes, required; |
513 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 514 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 515 | Lisp_Object charset_list; |
c5a518df | 516 | |
288d5132 KH |
517 | /* Allocate sufficient size of buffer to store all characters in |
518 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
519 | Vglyph_table contains a string or a composite glyph is |
520 | encountered. */ | |
fee31f82 PE |
521 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
522 | memory_full (SIZE_MAX); | |
523 | required = src_len; | |
524 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
525 | if (encode_terminal_src_size < required) |
526 | { | |
fee31f82 | 527 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
528 | encode_terminal_src_size = required; |
529 | } | |
6589fd67 | 530 | |
288d5132 | 531 | charset_list = coding_charset_list (coding); |
a4decb7f | 532 | |
288d5132 KH |
533 | buf = encode_terminal_src; |
534 | nchars = 0; | |
535 | while (src < src_end) | |
a4decb7f | 536 | { |
4c12d738 KH |
537 | if (src->type == COMPOSITE_GLYPH) |
538 | { | |
c2ed9c8b PE |
539 | struct composition *cmp IF_LINT (= NULL); |
540 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
541 | int i; |
542 | ||
543 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
544 | if (src->u.cmp.automatic) |
545 | { | |
546 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 547 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
548 | } |
549 | else | |
550 | { | |
551 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
552 | required = cmp->glyph_len; |
553 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 554 | } |
4c12d738 | 555 | |
fee31f82 | 556 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 557 | { |
0065d054 PE |
558 | encode_terminal_src = |
559 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
560 | required - (encode_terminal_src_size - nbytes), | |
561 | -1, 1); | |
4c12d738 KH |
562 | buf = encode_terminal_src + nbytes; |
563 | } | |
564 | ||
75a10786 | 565 | if (src->u.cmp.automatic) |
4be9765d | 566 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
567 | { |
568 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
569 | int c = LGLYPH_CHAR (g); | |
570 | ||
571 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 572 | c = '?'; |
75a10786 KH |
573 | buf += CHAR_STRING (c, buf); |
574 | nchars++; | |
575 | } | |
576 | else | |
577 | for (i = 0; i < cmp->glyph_len; i++) | |
578 | { | |
579 | int c = COMPOSITION_GLYPH (cmp, i); | |
580 | ||
bd01620e EZ |
581 | /* TAB in a composition means display glyphs with |
582 | padding space on the left or right. */ | |
d0984aff KH |
583 | if (c == '\t') |
584 | continue; | |
585 | if (char_charset (c, charset_list, NULL)) | |
586 | { | |
587 | if (CHAR_WIDTH (c) == 0 | |
588 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
589 | /* Should be left-padded */ | |
590 | { | |
591 | buf += CHAR_STRING (' ', buf); | |
592 | nchars++; | |
593 | } | |
594 | } | |
595 | else | |
596 | c = '?'; | |
75a10786 KH |
597 | buf += CHAR_STRING (c, buf); |
598 | nchars++; | |
599 | } | |
4c12d738 | 600 | } |
a4decb7f | 601 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 602 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 603 | { |
f4d953fc | 604 | GLYPH g; |
c2ed9c8b | 605 | int c IF_LINT (= 0); |
288d5132 KH |
606 | Lisp_Object string; |
607 | ||
4ae0a2c0 | 608 | string = Qnil; |
f4d953fc | 609 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 610 | |
f4d953fc | 611 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 612 | { |
f185a758 | 613 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
614 | c = src->u.ch; |
615 | } | |
32de38e4 | 616 | else |
a4decb7f | 617 | { |
32de38e4 | 618 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
619 | so process any alias before testing for simpleness. */ |
620 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
621 | |
622 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
623 | /* We set the multi-byte form of a character in G |
624 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 625 | c = GLYPH_CHAR (g); |
32de38e4 | 626 | else |
4ae0a2c0 | 627 | /* We have a string in Vglyph_table. */ |
f4d953fc | 628 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 629 | } |
177c0ea7 | 630 | |
4ae0a2c0 | 631 | if (NILP (string)) |
c42869c4 | 632 | { |
4c12d738 | 633 | nbytes = buf - encode_terminal_src; |
fee31f82 | 634 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 635 | { |
0065d054 PE |
636 | encode_terminal_src = |
637 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
638 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
639 | buf = encode_terminal_src + nbytes; |
640 | } | |
d419e1d9 KH |
641 | if (CHAR_BYTE8_P (c) |
642 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 643 | { |
288d5132 KH |
644 | /* Store the multibyte form of C at BUF. */ |
645 | buf += CHAR_STRING (c, buf); | |
646 | nchars++; | |
c5a518df KH |
647 | } |
648 | else | |
649 | { | |
288d5132 KH |
650 | /* C is not encodable. */ |
651 | *buf++ = '?'; | |
c5a518df | 652 | nchars++; |
288d5132 KH |
653 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
654 | { | |
655 | *buf++ = '?'; | |
656 | nchars++; | |
657 | src++; | |
658 | } | |
c5a518df | 659 | } |
4ae0a2c0 KH |
660 | } |
661 | else | |
662 | { | |
288d5132 KH |
663 | if (! STRING_MULTIBYTE (string)) |
664 | string = string_to_multibyte (string); | |
665 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 666 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 667 | { |
0065d054 PE |
668 | encode_terminal_src = |
669 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
670 | (SBYTES (string) | |
671 | - (encode_terminal_src_size - nbytes)), | |
672 | -1, 1); | |
288d5132 | 673 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 674 | } |
72af86bd | 675 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
676 | buf += SBYTES (string); |
677 | nchars += SCHARS (string); | |
c42869c4 | 678 | } |
a4decb7f | 679 | } |
288d5132 KH |
680 | src++; |
681 | } | |
682 | ||
683 | if (nchars == 0) | |
684 | { | |
685 | coding->produced = 0; | |
686 | return NULL; | |
a4decb7f | 687 | } |
177c0ea7 | 688 | |
288d5132 KH |
689 | nbytes = buf - encode_terminal_src; |
690 | coding->source = encode_terminal_src; | |
691 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 692 | { |
fee31f82 PE |
693 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
694 | encode_terminal_src_size); | |
288d5132 | 695 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 696 | } |
288d5132 KH |
697 | coding->destination = encode_terminal_dst; |
698 | coding->dst_bytes = encode_terminal_dst_size; | |
699 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 700 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
701 | encode_terminal_dst = coding->destination; |
702 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 703 | |
288d5132 | 704 | return (encode_terminal_dst); |
a4decb7f KH |
705 | } |
706 | ||
08a24c47 | 707 | |
c73bd236 | 708 | |
da8e1115 KL |
709 | /* An implementation of write_glyphs for termcap frames. */ |
710 | ||
ed8dad6b | 711 | static void |
385ed61f | 712 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 713 | { |
288d5132 KH |
714 | unsigned char *conversion_buffer; |
715 | struct coding_system *coding; | |
653d4f43 | 716 | int n, stringlen; |
08a24c47 | 717 | |
3224dac1 | 718 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 719 | |
ed8dad6b | 720 | tty_turn_off_insert (tty); |
fca177d4 | 721 | tty_hide_cursor (tty); |
08a24c47 | 722 | |
a168702a | 723 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 724 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 725 | |
6548cf00 KL |
726 | if (AutoWrap (tty) |
727 | && curY (tty) + 1 == FRAME_LINES (f) | |
728 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 729 | len --; |
a4decb7f KH |
730 | if (len <= 0) |
731 | return; | |
08a24c47 | 732 | |
6548cf00 | 733 | cmplus (tty, len); |
177c0ea7 | 734 | |
af645abf KH |
735 | /* If terminal_coding does any conversion, use it, otherwise use |
736 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
737 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
738 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
739 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
740 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
741 | the tail. */ | |
af645abf | 742 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 743 | |
5c5cdd39 | 744 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 745 | { |
a168702a | 746 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 747 | int face_id = string->face_id; |
177c0ea7 | 748 | |
5c5cdd39 | 749 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 750 | if (string[n].face_id != face_id) |
a168702a GM |
751 | break; |
752 | ||
753 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 754 | tty_highlight_if_desired (tty); |
a168702a GM |
755 | turn_on_face (f, face_id); |
756 | ||
5c5cdd39 | 757 | if (n == stringlen) |
288d5132 KH |
758 | /* This is the last run. */ |
759 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
760 | conversion_buffer = encode_terminal_code (string, n, coding); | |
761 | if (coding->produced > 0) | |
08a24c47 | 762 | { |
4d7e6e51 | 763 | block_input (); |
fad2f685 KL |
764 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
765 | if (ferror (tty->output)) | |
766 | clearerr (tty->output); | |
767 | if (tty->termscript) | |
768 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 769 | unblock_input (); |
08a24c47 | 770 | } |
288d5132 | 771 | string += n; |
a168702a GM |
772 | |
773 | /* Turn appearance modes off. */ | |
774 | turn_off_face (f, face_id); | |
ed8dad6b | 775 | tty_turn_off_highlight (tty); |
a4decb7f | 776 | } |
177c0ea7 | 777 | |
6548cf00 | 778 | cmcheckmagic (tty); |
08a24c47 JB |
779 | } |
780 | ||
b870aa61 SM |
781 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
782 | ||
7be1c21a | 783 | static void |
d3da34e0 JB |
784 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
785 | register int len, register int face_id) | |
e882229c | 786 | { |
e882229c NR |
787 | unsigned char *conversion_buffer; |
788 | struct coding_system *coding; | |
789 | ||
7be1c21a MB |
790 | struct tty_display_info *tty = FRAME_TTY (f); |
791 | ||
792 | tty_turn_off_insert (tty); | |
793 | tty_hide_cursor (tty); | |
e882229c NR |
794 | |
795 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
796 | since that would scroll the whole frame on some terminals. */ | |
797 | ||
7be1c21a MB |
798 | if (AutoWrap (tty) |
799 | && curY (tty) + 1 == FRAME_LINES (f) | |
800 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
801 | len --; |
802 | if (len <= 0) | |
803 | return; | |
804 | ||
7be1c21a | 805 | cmplus (tty, len); |
e882229c NR |
806 | |
807 | /* If terminal_coding does any conversion, use it, otherwise use | |
808 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
809 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
810 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
811 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
812 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
813 | the tail. */ | |
814 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
815 | ||
e882229c | 816 | /* Turn appearance modes of the face. */ |
7be1c21a | 817 | tty_highlight_if_desired (tty); |
e882229c NR |
818 | turn_on_face (f, face_id); |
819 | ||
820 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
821 | conversion_buffer = encode_terminal_code (string, len, coding); | |
822 | if (coding->produced > 0) | |
823 | { | |
4d7e6e51 | 824 | block_input (); |
7be1c21a MB |
825 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
826 | if (ferror (tty->output)) | |
827 | clearerr (tty->output); | |
828 | if (tty->termscript) | |
829 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 830 | unblock_input (); |
e882229c NR |
831 | } |
832 | ||
833 | /* Turn appearance modes off. */ | |
834 | turn_off_face (f, face_id); | |
7be1c21a | 835 | tty_turn_off_highlight (tty); |
e882229c | 836 | |
7be1c21a | 837 | cmcheckmagic (tty); |
e882229c | 838 | } |
b870aa61 | 839 | #endif |
e882229c | 840 | |
da8e1115 | 841 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 842 | |
ed8dad6b | 843 | static void |
385ed61f | 844 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
845 | { |
846 | char *buf; | |
6bbd7a29 | 847 | struct glyph *glyph = NULL; |
af645abf KH |
848 | unsigned char *conversion_buffer; |
849 | unsigned char space[1]; | |
850 | struct coding_system *coding; | |
08a24c47 | 851 | |
3224dac1 | 852 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 853 | |
fca177d4 | 854 | if (tty->TS_ins_multi_chars) |
08a24c47 | 855 | { |
50938595 | 856 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 857 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 858 | xfree (buf); |
08a24c47 | 859 | if (start) |
385ed61f | 860 | write_glyphs (f, start, len); |
08a24c47 JB |
861 | return; |
862 | } | |
863 | ||
ed8dad6b | 864 | tty_turn_on_insert (tty); |
6548cf00 | 865 | cmplus (tty, len); |
288d5132 KH |
866 | |
867 | if (! start) | |
868 | space[0] = SPACEGLYPH; | |
869 | ||
870 | /* If terminal_coding does any conversion, use it, otherwise use | |
871 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
872 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
873 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
874 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
875 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
876 | the tail. */ | |
877 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
878 | ||
07109bf9 | 879 | while (len-- > 0) |
08a24c47 | 880 | { |
fca177d4 | 881 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 882 | if (!start) |
32de38e4 | 883 | { |
288d5132 KH |
884 | conversion_buffer = space; |
885 | coding->produced = 1; | |
32de38e4 | 886 | } |
08a24c47 | 887 | else |
08a24c47 | 888 | { |
ed8dad6b | 889 | tty_highlight_if_desired (tty); |
32de38e4 | 890 | turn_on_face (f, start->face_id); |
816be8b8 | 891 | glyph = start; |
a168702a | 892 | ++start; |
a4decb7f KH |
893 | /* We must open sufficient space for a character which |
894 | occupies more than one column. */ | |
a168702a | 895 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 896 | { |
fca177d4 | 897 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
898 | start++, len--; |
899 | } | |
288d5132 KH |
900 | |
901 | if (len <= 0) | |
902 | /* This is the last glyph. */ | |
903 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
904 | ||
fad2f685 | 905 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 906 | } |
a4decb7f | 907 | |
288d5132 | 908 | if (coding->produced > 0) |
08a24c47 | 909 | { |
4d7e6e51 | 910 | block_input (); |
fad2f685 | 911 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
912 | if (ferror (tty->output)) |
913 | clearerr (tty->output); | |
914 | if (tty->termscript) | |
fad2f685 | 915 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
4d7e6e51 | 916 | unblock_input (); |
08a24c47 JB |
917 | } |
918 | ||
fca177d4 | 919 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 920 | if (start) |
65aa5e85 GM |
921 | { |
922 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 923 | tty_turn_off_highlight (tty); |
65aa5e85 | 924 | } |
9a6b6f92 | 925 | } |
177c0ea7 | 926 | |
6548cf00 | 927 | cmcheckmagic (tty); |
08a24c47 JB |
928 | } |
929 | ||
da8e1115 KL |
930 | /* An implementation of delete_glyphs for termcap frames. */ |
931 | ||
ed8dad6b | 932 | static void |
385ed61f | 933 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
934 | { |
935 | char *buf; | |
936 | register int i; | |
937 | ||
3224dac1 | 938 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 939 | |
fca177d4 | 940 | if (tty->delete_in_insert_mode) |
08a24c47 | 941 | { |
ed8dad6b | 942 | tty_turn_on_insert (tty); |
08a24c47 JB |
943 | } |
944 | else | |
945 | { | |
ed8dad6b | 946 | tty_turn_off_insert (tty); |
fca177d4 | 947 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
948 | } |
949 | ||
fca177d4 | 950 | if (tty->TS_del_multi_chars) |
08a24c47 | 951 | { |
50938595 | 952 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 953 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 954 | xfree (buf); |
08a24c47 JB |
955 | } |
956 | else | |
957 | for (i = 0; i < n; i++) | |
fca177d4 KL |
958 | OUTPUT1 (tty, tty->TS_del_char); |
959 | if (!tty->delete_in_insert_mode) | |
960 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
961 | } |
962 | \f | |
da8e1115 | 963 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 964 | |
ed8dad6b | 965 | static void |
385ed61f | 966 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 967 | { |
3224dac1 | 968 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
969 | const char *multi = |
970 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
971 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
972 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 | 973 | |
71376d4b PE |
974 | int i = eabs (n); |
975 | char *buf; | |
08a24c47 | 976 | |
08a24c47 JB |
977 | /* If the lines below the insertion are being pushed |
978 | into the end of the window, this is the same as clearing; | |
979 | and we know the lines are already clear, since the matching | |
980 | deletion has already been done. So can ignore this. */ | |
981 | /* If the lines below the deletion are blank lines coming | |
982 | out of the end of the window, don't bother, | |
983 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
984 | if (FRAME_SCROLL_REGION_OK (f) |
985 | && vpos + i >= tty->specified_window) | |
08a24c47 | 986 | return; |
3224dac1 KL |
987 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
988 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 989 | return; |
f4d953fc | 990 | |
08a24c47 JB |
991 | if (multi) |
992 | { | |
6839f1e2 | 993 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 994 | tty_background_highlight (tty); |
50938595 | 995 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 996 | OUTPUT (tty, buf); |
9ac0d9e0 | 997 | xfree (buf); |
08a24c47 JB |
998 | } |
999 | else if (single) | |
1000 | { | |
6839f1e2 | 1001 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1002 | tty_background_highlight (tty); |
08a24c47 | 1003 | while (--i >= 0) |
3224dac1 KL |
1004 | OUTPUT (tty, single); |
1005 | if (tty->TF_teleray) | |
1006 | curX (tty) = 0; | |
08a24c47 JB |
1007 | } |
1008 | else | |
1009 | { | |
ed8dad6b | 1010 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1011 | if (n < 0) |
6839f1e2 | 1012 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1013 | else |
6839f1e2 | 1014 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1015 | tty_background_highlight (tty); |
08a24c47 | 1016 | while (--i >= 0) |
3224dac1 | 1017 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1018 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1019 | } |
f4d953fc | 1020 | |
3224dac1 KL |
1021 | if (!FRAME_SCROLL_REGION_OK (f) |
1022 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1023 | && n < 0) | |
08a24c47 | 1024 | { |
385ed61f KL |
1025 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1026 | clear_to_end (f); | |
08a24c47 JB |
1027 | } |
1028 | } | |
1029 | \f | |
1030 | /* Compute cost of sending "str", in characters, | |
1031 | not counting any line-dependent padding. */ | |
1032 | ||
1033 | int | |
8ea90aa3 | 1034 | string_cost (const char *str) |
08a24c47 JB |
1035 | { |
1036 | cost = 0; | |
1037 | if (str) | |
1038 | tputs (str, 0, evalcost); | |
1039 | return cost; | |
1040 | } | |
1041 | ||
1042 | /* Compute cost of sending "str", in characters, | |
1043 | counting any line-dependent padding at one line. */ | |
1044 | ||
1045 | static int | |
8ea90aa3 | 1046 | string_cost_one_line (const char *str) |
08a24c47 JB |
1047 | { |
1048 | cost = 0; | |
1049 | if (str) | |
1050 | tputs (str, 1, evalcost); | |
1051 | return cost; | |
1052 | } | |
1053 | ||
1054 | /* Compute per line amount of line-dependent padding, | |
1055 | in tenths of characters. */ | |
1056 | ||
1057 | int | |
8ea90aa3 | 1058 | per_line_cost (const char *str) |
08a24c47 JB |
1059 | { |
1060 | cost = 0; | |
1061 | if (str) | |
1062 | tputs (str, 0, evalcost); | |
1063 | cost = - cost; | |
1064 | if (str) | |
1065 | tputs (str, 10, evalcost); | |
1066 | return cost; | |
1067 | } | |
1068 | ||
08a24c47 | 1069 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1070 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1071 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1072 | |
1073 | int *char_ins_del_vector; | |
1074 | ||
9882535b | 1075 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1076 | |
1077 | /* ARGSUSED */ | |
1078 | static void | |
6839f1e2 | 1079 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1080 | { |
28d7d09f | 1081 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1082 | int ins_startup_cost, del_startup_cost; |
1083 | int ins_cost_per_char, del_cost_per_char; | |
1084 | register int i; | |
1085 | register int *p; | |
1086 | ||
fca177d4 | 1087 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1088 | { |
1089 | ins_cost_per_char = 0; | |
fca177d4 | 1090 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1091 | } |
fca177d4 KL |
1092 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1093 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1094 | { |
fca177d4 KL |
1095 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1096 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1097 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1098 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1099 | } |
1100 | else | |
1101 | { | |
1102 | ins_startup_cost = 9999; | |
1103 | ins_cost_per_char = 0; | |
1104 | } | |
1105 | ||
fca177d4 | 1106 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1107 | { |
1108 | del_cost_per_char = 0; | |
fca177d4 | 1109 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1110 | } |
fca177d4 | 1111 | else if (tty->TS_del_char) |
08a24c47 | 1112 | { |
fca177d4 KL |
1113 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1114 | + string_cost (tty->TS_end_delete_mode)); | |
1115 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1116 | del_startup_cost /= 2; |
fca177d4 | 1117 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1118 | } |
1119 | else | |
1120 | { | |
1121 | del_startup_cost = 9999; | |
1122 | del_cost_per_char = 0; | |
1123 | } | |
1124 | ||
1125 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1126 | p = &char_ins_del_cost (f)[0]; |
1127 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1128 | *--p = (del_startup_cost += del_cost_per_char); |
1129 | ||
1130 | /* Doing nothing is free */ | |
fca177d4 | 1131 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1132 | *p++ = 0; |
1133 | ||
1134 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1135 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1136 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1137 | } | |
1138 | ||
dfcf069d | 1139 | void |
6839f1e2 | 1140 | calculate_costs (struct frame *frame) |
08a24c47 | 1141 | { |
9f732a77 | 1142 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1143 | |
28d440ab | 1144 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1145 | { |
1146 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1147 | register const char *f = (tty->TS_set_scroll_region |
1148 | ? tty->TS_set_scroll_region | |
1149 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1150 | |
daf01701 | 1151 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1152 | |
daf01701 | 1153 | tty->costs_set = 1; |
08a24c47 | 1154 | |
daf01701 KL |
1155 | /* These variables are only used for terminal stuff. They are |
1156 | allocated once for the terminal frame of X-windows emacs, but not | |
1157 | used afterwards. | |
8dd0c7cb | 1158 | |
daf01701 KL |
1159 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1160 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1161 | |
daf01701 | 1162 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1163 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1164 | < max_frame_cols) | |
fee31f82 | 1165 | memory_full (SIZE_MAX); |
08a24c47 | 1166 | |
0065d054 PE |
1167 | char_ins_del_vector = |
1168 | xrealloc (char_ins_del_vector, | |
1169 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1170 | |
72af86bd | 1171 | memset (char_ins_del_vector, 0, |
0065d054 | 1172 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1173 | |
daf01701 KL |
1174 | |
1175 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1176 | do_line_insertion_deletion_costs (frame, | |
1177 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1178 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1179 | f, f, 1); | |
1180 | else | |
1181 | do_line_insertion_deletion_costs (frame, | |
1182 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1183 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1184 | 0, 0, 1); | |
1185 | ||
1186 | calculate_ins_del_char_costs (frame); | |
1187 | ||
1188 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1189 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1190 | tty->RPov = string_cost (tty->TS_repeat); | |
1191 | else | |
1192 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1193 | |
daf01701 KL |
1194 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1195 | } | |
08a24c47 JB |
1196 | } |
1197 | \f | |
a796ac82 | 1198 | struct fkey_table { |
fbceeba2 | 1199 | const char *cap, *name; |
a796ac82 JB |
1200 | }; |
1201 | ||
01d8deb0 ER |
1202 | /* Termcap capability names that correspond directly to X keysyms. |
1203 | Some of these (marked "terminfo") aren't supplied by old-style | |
1204 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1205 | except we put the keypad keys first, so that if they clash with | |
1206 | other keys (as on the IBM PC keyboard) they get overridden. | |
1207 | */ | |
1208 | ||
648801d1 | 1209 | static const struct fkey_table keys[] = |
a168702a | 1210 | { |
8103ad1a PJ |
1211 | {"kh", "home"}, /* termcap */ |
1212 | {"kl", "left"}, /* termcap */ | |
1213 | {"ku", "up"}, /* termcap */ | |
1214 | {"kr", "right"}, /* termcap */ | |
1215 | {"kd", "down"}, /* termcap */ | |
1216 | {"%8", "prior"}, /* terminfo */ | |
1217 | {"%5", "next"}, /* terminfo */ | |
1218 | {"@7", "end"}, /* terminfo */ | |
1219 | {"@1", "begin"}, /* terminfo */ | |
1220 | {"*6", "select"}, /* terminfo */ | |
1221 | {"%9", "print"}, /* terminfo */ | |
1222 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1223 | /* |
1224 | * "insert" --- see below | |
1225 | */ | |
8103ad1a PJ |
1226 | {"&8", "undo"}, /* terminfo */ |
1227 | {"%0", "redo"}, /* terminfo */ | |
1228 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1229 | {"@0", "find"}, /* terminfo */ | |
1230 | {"@2", "cancel"}, /* terminfo */ | |
1231 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1232 | /* |
1233 | * "break" goes here, but can't be reliably intercepted with termcap | |
1234 | */ | |
8103ad1a | 1235 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1236 | /* |
1237 | * "system" and "user" --- no termcaps | |
1238 | */ | |
8103ad1a PJ |
1239 | {"kE", "clearline"}, /* terminfo */ |
1240 | {"kA", "insertline"}, /* terminfo */ | |
1241 | {"kL", "deleteline"}, /* terminfo */ | |
1242 | {"kI", "insertchar"}, /* terminfo */ | |
1243 | {"kD", "deletechar"}, /* terminfo */ | |
1244 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1245 | /* |
1246 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1247 | */ | |
8103ad1a | 1248 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1249 | /* |
1250 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1251 | * "kp-multiply", "kp-add", "kp-separator", | |
1252 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1253 | * --- no termcaps for any of these. | |
1254 | */ | |
8103ad1a | 1255 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1256 | /* |
1257 | * "kp-2" --- no termcap | |
1258 | */ | |
8103ad1a | 1259 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1260 | /* |
1261 | * "kp-4" --- no termcap | |
1262 | */ | |
8103ad1a | 1263 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1264 | /* |
1265 | * "kp-6" --- no termcap | |
1266 | */ | |
8103ad1a | 1267 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1268 | /* |
1269 | * "kp-8" --- no termcap | |
1270 | */ | |
8103ad1a | 1271 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1272 | /* |
1273 | * "kp-equal" --- no termcap | |
1274 | */ | |
8103ad1a PJ |
1275 | {"k1", "f1"}, |
1276 | {"k2", "f2"}, | |
1277 | {"k3", "f3"}, | |
1278 | {"k4", "f4"}, | |
1279 | {"k5", "f5"}, | |
1280 | {"k6", "f6"}, | |
1281 | {"k7", "f7"}, | |
1282 | {"k8", "f8"}, | |
60ec7b7e DN |
1283 | {"k9", "f9"}, |
1284 | ||
1285 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1286 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1287 | {"*0", "S-find"}, /*shifted find key*/ | |
1288 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1289 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1290 | {"*7", "S-end"}, /*shifted end key*/ | |
1291 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1292 | {"#1", "S-help"}, /*shifted help key*/ | |
1293 | {"#2", "S-home"}, /*shifted home key*/ | |
1294 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1295 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1296 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1297 | {"%c", "S-next"}, /*shifted next key*/ | |
1298 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1299 | {"%f", "S-print"}, /*shifted print key*/ | |
1300 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1301 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1302 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1303 | }; |
1304 | ||
361358ea | 1305 | #ifndef DOS_NT |
e7cf0fa0 KL |
1306 | static char **term_get_fkeys_address; |
1307 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1308 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1309 | |
4f4a84ec | 1310 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1311 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1312 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1313 | |
ed8dad6b | 1314 | static void |
d3da34e0 | 1315 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1316 | { |
1317 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1318 | errors during the call. The only errors should be from Fdefine_key | |
1319 | when given a key sequence containing an invalid prefix key. If the | |
1320 | termcap defines function keys which use a prefix that is already bound | |
1321 | to a command by the default bindings, we should silently ignore that | |
1322 | function key specification, rather than giving the user an error and | |
1323 | refusing to run at all on such a terminal. */ | |
1324 | ||
e7cf0fa0 KL |
1325 | term_get_fkeys_address = address; |
1326 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1327 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1328 | } | |
1329 | ||
1330 | static Lisp_Object | |
d3da34e0 | 1331 | term_get_fkeys_1 (void) |
5c2c7893 | 1332 | { |
5c2c7893 JB |
1333 | int i; |
1334 | ||
e7cf0fa0 KL |
1335 | char **address = term_get_fkeys_address; |
1336 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1337 | |
3e65092f | 1338 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1339 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1340 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1341 | |
cbae07d5 | 1342 | for (i = 0; i < (sizeof (keys) / sizeof (keys[0])); i++) |
5c2c7893 JB |
1343 | { |
1344 | char *sequence = tgetstr (keys[i].cap, address); | |
1345 | if (sequence) | |
1344aad4 | 1346 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1347 | Fmake_vector (make_number (1), |
1348 | intern (keys[i].name))); | |
5c2c7893 | 1349 | } |
a796ac82 JB |
1350 | |
1351 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1352 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1353 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1354 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1355 | */ | |
1356 | { | |
fbceeba2 PE |
1357 | const char *k_semi = tgetstr ("k;", address); |
1358 | const char *k0 = tgetstr ("k0", address); | |
1359 | const char *k0_name = "f10"; | |
a796ac82 JB |
1360 | |
1361 | if (k_semi) | |
1362 | { | |
95c11956 SM |
1363 | if (k0) |
1364 | /* Define f0 first, so that f10 takes precedence in case the | |
1365 | key sequences happens to be the same. */ | |
1344aad4 | 1366 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1367 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1368 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1369 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1370 | } |
95c11956 | 1371 | else if (k0) |
1344aad4 | 1372 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1373 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1374 | } |
01d8deb0 ER |
1375 | |
1376 | /* Set up cookies for numbered function keys above f10. */ | |
1377 | { | |
1378 | char fcap[3], fkey[4]; | |
1379 | ||
fc4f24da | 1380 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1381 | for (i = 11; i < 64; i++) |
1382 | { | |
1383 | if (i <= 19) | |
1384 | fcap[1] = '1' + i - 11; | |
1385 | else if (i <= 45) | |
b59ab95c | 1386 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1387 | else |
b59ab95c | 1388 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1389 | |
fc4f24da RS |
1390 | { |
1391 | char *sequence = tgetstr (fcap, address); | |
1392 | if (sequence) | |
1393 | { | |
465db27b | 1394 | sprintf (fkey, "f%d", i); |
1344aad4 | 1395 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1396 | Fmake_vector (make_number (1), |
1397 | intern (fkey))); | |
fc4f24da RS |
1398 | } |
1399 | } | |
01d8deb0 ER |
1400 | } |
1401 | } | |
1402 | ||
1403 | /* | |
1404 | * Various mappings to try and get a better fit. | |
1405 | */ | |
1406 | { | |
fc4f24da RS |
1407 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1408 | if (!tgetstr (cap1, address)) \ | |
1409 | { \ | |
1410 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1411 | if (sequence) \ |
1344aad4 | 1412 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1413 | Fmake_vector (make_number (1), \ |
1414 | intern (sym))); \ | |
fc4f24da | 1415 | } |
177c0ea7 | 1416 | |
01d8deb0 | 1417 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1418 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1419 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1420 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1421 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1422 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1423 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1424 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1425 | |
1426 | /* IBM has their own non-standard dialect of terminfo. | |
1427 | If the standard name isn't found, try the IBM name. */ | |
1428 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1429 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1430 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1431 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1432 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1433 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1434 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1435 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1436 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1437 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1438 | } |
a168702a GM |
1439 | |
1440 | return Qnil; | |
5c2c7893 | 1441 | } |
361358ea | 1442 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1443 | |
1444 | \f | |
a168702a GM |
1445 | /*********************************************************************** |
1446 | Character Display Information | |
1447 | ***********************************************************************/ | |
f57e2426 | 1448 | static void append_glyph (struct it *); |
f57e2426 J |
1449 | static void append_composite_glyph (struct it *); |
1450 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1451 | static void append_glyphless_glyph (struct it *, int, const char *); |
653d4f43 | 1452 | static void produce_glyphless_glyph (struct it *, Lisp_Object); |
a168702a GM |
1453 | |
1454 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1455 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1456 | the character for which to produce glyphs; IT->face_id contains the | |
1457 | character's face. Padding glyphs are appended if IT->c has a | |
1458 | IT->pixel_width > 1. */ | |
177c0ea7 | 1459 | |
a168702a | 1460 | static void |
d3da34e0 | 1461 | append_glyph (struct it *it) |
a168702a GM |
1462 | { |
1463 | struct glyph *glyph, *end; | |
1464 | int i; | |
1465 | ||
a54e2c05 | 1466 | eassert (it->glyph_row); |
a168702a GM |
1467 | glyph = (it->glyph_row->glyphs[it->area] |
1468 | + it->glyph_row->used[it->area]); | |
1469 | end = it->glyph_row->glyphs[1 + it->area]; | |
1470 | ||
5e65aec0 EZ |
1471 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1472 | than append it. */ | |
1473 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1474 | { | |
1475 | struct glyph *g; | |
1476 | int move_by = it->pixel_width; | |
1477 | ||
1478 | /* Make room for the new glyphs. */ | |
1479 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1480 | move_by = end - glyph; | |
1481 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1482 | g[move_by] = *g; | |
1483 | glyph = it->glyph_row->glyphs[it->area]; | |
1484 | end = glyph + move_by; | |
1485 | } | |
1486 | ||
1487 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1488 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1489 | identical, and (b) the PADDING_P flag needs to be set for the | |
1490 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1491 | for (i = 0; |
1492 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1493 | ++i) |
1494 | { | |
1495 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1496 | glyph->pixel_width = 1; |
d2b4c17d | 1497 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1498 | glyph->face_id = it->face_id; |
1499 | glyph->padding_p = i > 0; | |
a168702a GM |
1500 | glyph->charpos = CHARPOS (it->position); |
1501 | glyph->object = it->object; | |
5e65aec0 EZ |
1502 | if (it->bidi_p) |
1503 | { | |
1504 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1505 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1506 | emacs_abort (); |
5e65aec0 EZ |
1507 | glyph->bidi_type = it->bidi_it.type; |
1508 | } | |
9443b3c7 EZ |
1509 | else |
1510 | { | |
1511 | glyph->resolved_level = 0; | |
1512 | glyph->bidi_type = UNKNOWN_BT; | |
1513 | } | |
177c0ea7 | 1514 | |
a168702a GM |
1515 | ++it->glyph_row->used[it->area]; |
1516 | ++glyph; | |
1517 | } | |
1518 | } | |
1519 | ||
148ae00e EZ |
1520 | /* For external use. */ |
1521 | void | |
1522 | tty_append_glyph (struct it *it) | |
1523 | { | |
1524 | append_glyph (it); | |
1525 | } | |
1526 | ||
1527 | ||
b50fe468 RS |
1528 | /* Produce glyphs for the display element described by IT. *IT |
1529 | specifies what we want to produce a glyph for (character, image, ...), | |
1530 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1531 | produce_glyphs fills in output fields of *IT with information such as the | |
1532 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1533 | the same time if IT->glyph_row is non-null. For an overview, see |
1534 | the explanation in dispextern.h, before the definition of the | |
1535 | display_element_type enumeration. | |
b50fe468 RS |
1536 | |
1537 | produce_glyphs also stores the result of glyph width, ascent | |
1538 | etc. computations in *IT. | |
1539 | ||
1540 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1541 | actually fill in the glyphs. This is used in the move_* functions | |
1542 | in xdisp.c for text width and height computations. | |
1543 | ||
1544 | Callers usually don't call produce_glyphs directly; | |
1545 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1546 | |
177c0ea7 | 1547 | void |
d3da34e0 | 1548 | produce_glyphs (struct it *it) |
a168702a GM |
1549 | { |
1550 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1551 | |
1552 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1553 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1554 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1555 | || it->what == IT_STRETCH |
1556 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1557 | |
6b61353c KH |
1558 | if (it->what == IT_STRETCH) |
1559 | { | |
1560 | produce_stretch_glyph (it); | |
1561 | goto done; | |
1562 | } | |
1563 | ||
4c12d738 KH |
1564 | if (it->what == IT_COMPOSITION) |
1565 | { | |
1566 | produce_composite_glyph (it); | |
1567 | goto done; | |
1568 | } | |
a168702a | 1569 | |
b18fad6d KH |
1570 | if (it->what == IT_GLYPHLESS) |
1571 | { | |
653d4f43 | 1572 | produce_glyphless_glyph (it, Qnil); |
b18fad6d KH |
1573 | goto done; |
1574 | } | |
1575 | ||
d419e1d9 | 1576 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1577 | { |
1578 | it->pixel_width = it->nglyphs = 1; | |
1579 | if (it->glyph_row) | |
1580 | append_glyph (it); | |
1581 | } | |
d419e1d9 | 1582 | else if (it->char_to_display == '\n') |
a168702a | 1583 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1584 | else if (it->char_to_display == '\t') |
a168702a | 1585 | { |
2efdbcdd | 1586 | int absolute_x = (it->current_x |
a168702a | 1587 | + it->continuation_lines_width); |
177c0ea7 JB |
1588 | int next_tab_x |
1589 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1590 | / it->tab_width) |
1591 | * it->tab_width); | |
1592 | int nspaces; | |
1593 | ||
1594 | /* If part of the TAB has been displayed on the previous line | |
1595 | which is continued now, continuation_lines_width will have | |
1596 | been incremented already by the part that fitted on the | |
1597 | continued line. So, we will get the right number of spaces | |
1598 | here. */ | |
1599 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1600 | |
a168702a GM |
1601 | if (it->glyph_row) |
1602 | { | |
1603 | int n = nspaces; | |
177c0ea7 | 1604 | |
d2b4c17d | 1605 | it->char_to_display = ' '; |
a168702a | 1606 | it->pixel_width = it->len = 1; |
177c0ea7 | 1607 | |
a168702a GM |
1608 | while (n--) |
1609 | append_glyph (it); | |
a168702a GM |
1610 | } |
1611 | ||
1612 | it->pixel_width = nspaces; | |
1613 | it->nglyphs = nspaces; | |
1614 | } | |
d419e1d9 | 1615 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1616 | { |
d419e1d9 KH |
1617 | /* Coming here means that we must send the raw 8-bit byte as is |
1618 | to the terminal. Although there's no way to know how many | |
1619 | columns it occupies on a screen, it is a good assumption that | |
1620 | a single byte code has 1-column width. */ | |
1621 | it->pixel_width = it->nglyphs = 1; | |
1622 | if (it->glyph_row) | |
1623 | append_glyph (it); | |
add44890 | 1624 | } |
a168702a GM |
1625 | else |
1626 | { | |
b18fad6d | 1627 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1628 | |
b18fad6d KH |
1629 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1630 | { | |
1631 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1632 | it->nglyphs = it->pixel_width; | |
1633 | if (it->glyph_row) | |
1634 | append_glyph (it); | |
1635 | } | |
1636 | else | |
1637 | { | |
1638 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1639 | ||
a54e2c05 | 1640 | eassert (it->what == IT_GLYPHLESS); |
653d4f43 | 1641 | produce_glyphless_glyph (it, acronym); |
b18fad6d | 1642 | } |
a168702a GM |
1643 | } |
1644 | ||
6b61353c | 1645 | done: |
177c0ea7 | 1646 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1647 | the caller. */ |
1648 | if (it->area == TEXT_AREA) | |
1649 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1650 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1651 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1652 | } |
1653 | ||
4c12d738 KH |
1654 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1655 | Called from produce_composite_glyph for terminal frames if | |
1656 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1657 | face. */ | |
1658 | ||
1659 | static void | |
d3da34e0 | 1660 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1661 | { |
1662 | struct glyph *glyph; | |
1663 | ||
a54e2c05 | 1664 | eassert (it->glyph_row); |
4c12d738 KH |
1665 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1666 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1667 | { | |
93d68d0c EZ |
1668 | /* If the glyph row is reversed, we need to prepend the glyph |
1669 | rather than append it. */ | |
1670 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1671 | { | |
1672 | struct glyph *g; | |
1673 | ||
1674 | /* Make room for the new glyph. */ | |
1675 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1676 | g[1] = *g; | |
1677 | glyph = it->glyph_row->glyphs[it->area]; | |
1678 | } | |
4c12d738 KH |
1679 | glyph->type = COMPOSITE_GLYPH; |
1680 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1681 | glyph->u.cmp.id = it->cmp_it.id; |
1682 | if (it->cmp_it.ch < 0) | |
1683 | { | |
1684 | glyph->u.cmp.automatic = 0; | |
1685 | glyph->u.cmp.id = it->cmp_it.id; | |
1686 | } | |
1687 | else | |
1688 | { | |
1689 | glyph->u.cmp.automatic = 1; | |
1690 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1691 | glyph->slice.cmp.from = it->cmp_it.from; |
1692 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1693 | } |
1694 | ||
4c12d738 KH |
1695 | glyph->face_id = it->face_id; |
1696 | glyph->padding_p = 0; | |
1697 | glyph->charpos = CHARPOS (it->position); | |
1698 | glyph->object = it->object; | |
93d68d0c EZ |
1699 | if (it->bidi_p) |
1700 | { | |
1701 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1702 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1703 | emacs_abort (); |
93d68d0c EZ |
1704 | glyph->bidi_type = it->bidi_it.type; |
1705 | } | |
1706 | else | |
1707 | { | |
1708 | glyph->resolved_level = 0; | |
1709 | glyph->bidi_type = UNKNOWN_BT; | |
1710 | } | |
4c12d738 KH |
1711 | |
1712 | ++it->glyph_row->used[it->area]; | |
1713 | ++glyph; | |
1714 | } | |
1715 | } | |
1716 | ||
1717 | ||
1718 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1719 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1720 | assuming that the terminal has a capability to layout/render it |
1721 | correctly. */ | |
4c12d738 KH |
1722 | |
1723 | static void | |
d3da34e0 | 1724 | produce_composite_glyph (struct it *it) |
4c12d738 | 1725 | { |
75a10786 KH |
1726 | if (it->cmp_it.ch < 0) |
1727 | { | |
1728 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1729 | ||
d0984aff | 1730 | it->pixel_width = cmp->width; |
75a10786 KH |
1731 | } |
1732 | else | |
1733 | { | |
1734 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1735 | |
75a10786 KH |
1736 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1737 | it->cmp_it.to, NULL); | |
1738 | } | |
1739 | it->nglyphs = 1; | |
4c12d738 KH |
1740 | if (it->glyph_row) |
1741 | append_composite_glyph (it); | |
1742 | } | |
1743 | ||
1744 | ||
b18fad6d | 1745 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1746 | is a face ID to be used for the glyph. What is actually appended |
1747 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1748 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1749 | |
1750 | static void | |
fbceeba2 | 1751 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1752 | { |
1753 | struct glyph *glyph, *end; | |
b18fad6d KH |
1754 | int i; |
1755 | ||
a54e2c05 | 1756 | eassert (it->glyph_row); |
b18fad6d KH |
1757 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1758 | end = it->glyph_row->glyphs[1 + it->area]; | |
1759 | ||
1760 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1761 | than append it. */ | |
1762 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1763 | { | |
1764 | struct glyph *g; | |
1765 | int move_by = it->pixel_width; | |
1766 | ||
1767 | /* Make room for the new glyphs. */ | |
1768 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1769 | move_by = end - glyph; | |
1770 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1771 | g[move_by] = *g; | |
1772 | glyph = it->glyph_row->glyphs[it->area]; | |
1773 | end = glyph + move_by; | |
1774 | } | |
1775 | ||
1776 | if (glyph >= end) | |
1777 | return; | |
1778 | glyph->type = CHAR_GLYPH; | |
1779 | glyph->pixel_width = 1; | |
1780 | glyph->face_id = face_id; | |
1781 | glyph->padding_p = 0; | |
1782 | glyph->charpos = CHARPOS (it->position); | |
1783 | glyph->object = it->object; | |
1784 | if (it->bidi_p) | |
1785 | { | |
1786 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1787 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1788 | emacs_abort (); |
b18fad6d KH |
1789 | glyph->bidi_type = it->bidi_it.type; |
1790 | } | |
1791 | else | |
1792 | { | |
1793 | glyph->resolved_level = 0; | |
1794 | glyph->bidi_type = UNKNOWN_BT; | |
1795 | } | |
1796 | ||
1797 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1798 | the REVERSED_P case because we write to the terminal | |
1799 | left-to-right. */ | |
1800 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1801 | { | |
1802 | if (i > 0) | |
1803 | glyph[0] = glyph[-1]; | |
1804 | glyph->u.ch = str[i]; | |
1805 | ++it->glyph_row->used[it->area]; | |
1806 | ++glyph; | |
1807 | } | |
1808 | } | |
1809 | ||
b18fad6d KH |
1810 | /* Produce glyphs for a glyphless character for iterator IT. |
1811 | IT->glyphless_method specifies which method to use for displaying | |
1812 | the character. See the description of enum | |
0eb025fb | 1813 | glyphless_display_method in dispextern.h for the details. |
b18fad6d | 1814 | |
653d4f43 | 1815 | ACRONYM, if non-nil, is an acronym string for the character. |
b18fad6d KH |
1816 | |
1817 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1818 | ||
1819 | static void | |
653d4f43 | 1820 | produce_glyphless_glyph (struct it *it, Lisp_Object acronym) |
b18fad6d | 1821 | { |
77394d40 | 1822 | int len, face_id = merge_glyphless_glyph_face (it); |
80f2e268 | 1823 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1824 | char const *str = " "; |
b18fad6d | 1825 | |
b18fad6d KH |
1826 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) |
1827 | { | |
0eb025fb EZ |
1828 | /* As there's no way to produce a thin space, we produce a space |
1829 | of canonical width. */ | |
b18fad6d KH |
1830 | len = 1; |
1831 | } | |
1832 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1833 | { | |
1834 | len = CHAR_WIDTH (it->c); | |
1835 | if (len == 0) | |
1836 | len = 1; | |
0eb025fb | 1837 | else if (len > 4) |
b18fad6d | 1838 | len = 4; |
99027bdd | 1839 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1840 | str = buf; |
b18fad6d KH |
1841 | } |
1842 | else | |
1843 | { | |
1844 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1845 | { | |
b18fad6d KH |
1846 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1847 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1848 | if (CONSP (acronym)) |
1849 | acronym = XCDR (acronym); | |
b18fad6d | 1850 | buf[0] = '['; |
51b59d79 | 1851 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1852 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1853 | buf[1 + len] = str[len]; | |
1854 | buf[1 + len] = ']'; | |
1855 | len += 2; | |
1856 | } | |
1857 | else | |
1858 | { | |
a54e2c05 | 1859 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1860 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1861 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1862 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1863 | } |
1864 | str = buf; | |
1865 | } | |
1866 | ||
1867 | it->pixel_width = len; | |
1868 | it->nglyphs = len; | |
d284567f | 1869 | if (it->glyph_row) |
b18fad6d KH |
1870 | append_glyphless_glyph (it, face_id, str); |
1871 | } | |
1872 | ||
a168702a GM |
1873 | \f |
1874 | /*********************************************************************** | |
1875 | Faces | |
1876 | ***********************************************************************/ | |
1877 | ||
4e6ba4a4 GM |
1878 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1879 | one of the enumerators from enum no_color_bit, or a bit set built | |
1880 | from them. Some display attributes may not be used together with | |
1881 | color; the termcap capability `NC' specifies which ones. */ | |
1882 | ||
fca177d4 KL |
1883 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1884 | (tty->TN_max_colors > 0 \ | |
1885 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1886 | : 1) | |
a168702a | 1887 | |
072d84a6 RS |
1888 | /* Turn appearances of face FACE_ID on tty frame F on. |
1889 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1890 | |
1891 | static void | |
d3da34e0 | 1892 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1893 | { |
1894 | struct face *face = FACE_FROM_ID (f, face_id); | |
798aef02 PE |
1895 | unsigned long fg = face->foreground; |
1896 | unsigned long bg = face->background; | |
28d7d09f | 1897 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1898 | |
798aef02 PE |
1899 | /* Use reverse video if the face specifies that. |
1900 | Do this first because TS_end_standout_mode may be the same | |
86a7d192 | 1901 | as TS_exit_attribute_mode, which turns all appearances off. */ |
798aef02 PE |
1902 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE) |
1903 | && (inverse_video | |
1904 | ? fg == FACE_TTY_DEFAULT_FG_COLOR || bg == FACE_TTY_DEFAULT_BG_COLOR | |
1905 | : fg == FACE_TTY_DEFAULT_BG_COLOR || bg == FACE_TTY_DEFAULT_FG_COLOR)) | |
1906 | tty_toggle_highlight (tty); | |
a168702a | 1907 | |
4189ed40 CY |
1908 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1909 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1910 | ||
cd4eb164 CY |
1911 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1912 | { | |
1913 | if (tty->TS_enter_italic_mode) | |
1914 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1915 | else | |
1916 | /* Italics mode is unavailable on many terminals. In that | |
1917 | case, map slant to dimmed text; we want italic text to | |
1918 | appear different and dimming is not otherwise used. */ | |
1919 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1920 | } | |
a168702a | 1921 | |
fca177d4 KL |
1922 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1923 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1924 | |
fca177d4 | 1925 | if (tty->TN_max_colors > 0) |
a168702a | 1926 | { |
fbceeba2 PE |
1927 | const char *ts; |
1928 | char *p; | |
177c0ea7 | 1929 | |
fbf34973 | 1930 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
798aef02 | 1931 | if (face_tty_specified_color (fg) && ts) |
a168702a | 1932 | { |
653d4f43 | 1933 | p = tparam (ts, NULL, 0, fg, 0, 0, 0); |
6548cf00 | 1934 | OUTPUT (tty, p); |
a168702a GM |
1935 | xfree (p); |
1936 | } | |
1937 | ||
fbf34973 | 1938 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
798aef02 | 1939 | if (face_tty_specified_color (bg) && ts) |
a168702a | 1940 | { |
653d4f43 | 1941 | p = tparam (ts, NULL, 0, bg, 0, 0, 0); |
6548cf00 | 1942 | OUTPUT (tty, p); |
a168702a GM |
1943 | xfree (p); |
1944 | } | |
1945 | } | |
1946 | } | |
177c0ea7 | 1947 | |
a168702a GM |
1948 | |
1949 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1950 | ||
1951 | static void | |
d3da34e0 | 1952 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
1953 | { |
1954 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1955 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1956 | |
a54e2c05 | 1957 | eassert (face != NULL); |
a168702a | 1958 | |
fca177d4 | 1959 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1960 | { |
1961 | /* Capability "me" will turn off appearance modes double-bright, | |
1962 | half-bright, reverse-video, standout, underline. It may or | |
1963 | may not turn off alt-char-mode. */ | |
1964 | if (face->tty_bold_p | |
cd4eb164 | 1965 | || face->tty_italic_p |
a168702a | 1966 | || face->tty_reverse_p |
a168702a | 1967 | || face->tty_underline_p) |
65aa5e85 | 1968 | { |
fca177d4 KL |
1969 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1970 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1971 | tty->standout_mode = 0; | |
65aa5e85 | 1972 | } |
a168702a GM |
1973 | } |
1974 | else | |
1975 | { | |
1976 | /* If we don't have "me" we can only have those appearances | |
1977 | that have exit sequences defined. */ | |
54800acb | 1978 | if (face->tty_underline_p) |
fca177d4 | 1979 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1980 | } |
1981 | ||
1982 | /* Switch back to default colors. */ | |
fca177d4 | 1983 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1984 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1985 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1986 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1987 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1988 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1989 | } |
177c0ea7 JB |
1990 | |
1991 | ||
653d4f43 | 1992 | /* Return true if the terminal on frame F supports all of the |
798aef02 | 1993 | capabilities in CAPS simultaneously. */ |
b63a55ac | 1994 | |
653d4f43 | 1995 | bool |
798aef02 | 1996 | tty_capable_p (struct tty_display_info *tty, unsigned int caps) |
b63a55ac | 1997 | { |
fca177d4 KL |
1998 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1999 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2000 | return 0; |
2001 | ||
fca177d4 KL |
2002 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2003 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2004 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2005 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2006 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2007 | |
2008 | /* We can do it! */ | |
2009 | return 1; | |
2010 | } | |
2011 | ||
a168702a GM |
2012 | /* Return non-zero if the terminal is capable to display colors. */ |
2013 | ||
2014 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2015 | 0, 1, 0, |
6ed8eeff KL |
2016 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2017 | ||
401e9e57 CY |
2018 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2019 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2020 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2021 | (Lisp_Object terminal) |
a168702a | 2022 | { |
717a00ef | 2023 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2024 | if (!t) |
428a555e | 2025 | return Qnil; |
3224dac1 | 2026 | else |
6ed8eeff | 2027 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2028 | } |
2029 | ||
bfa62f96 EZ |
2030 | /* Return the number of supported colors. */ |
2031 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2032 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2033 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2034 | ||
401e9e57 CY |
2035 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2036 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2037 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2038 | (Lisp_Object terminal) |
bfa62f96 | 2039 | { |
717a00ef | 2040 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2041 | if (!t) |
8c8d5f35 | 2042 | return make_number (0); |
3224dac1 | 2043 | else |
6ed8eeff | 2044 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2045 | } |
2046 | ||
84704c5c | 2047 | #ifndef DOS_NT |
a168702a | 2048 | |
5205ee62 GM |
2049 | /* Declare here rather than in the function, as in the rest of Emacs, |
2050 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2051 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2052 | static int default_max_colors; |
2053 | static int default_max_pairs; | |
2054 | static int default_no_color_video; | |
2055 | static char *default_orig_pair; | |
2056 | static char *default_set_foreground; | |
2057 | static char *default_set_background; | |
fcf8ff2e | 2058 | |
ace28297 EZ |
2059 | /* Save or restore the default color-related capabilities of this |
2060 | terminal. */ | |
2061 | static void | |
653d4f43 | 2062 | tty_default_color_capabilities (struct tty_display_info *tty, bool save) |
ace28297 | 2063 | { |
ace28297 EZ |
2064 | |
2065 | if (save) | |
2066 | { | |
70fdbb46 | 2067 | xfree (default_orig_pair); |
fca177d4 | 2068 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2069 | |
70fdbb46 | 2070 | xfree (default_set_foreground); |
fca177d4 | 2071 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2072 | : NULL; |
2073 | ||
70fdbb46 | 2074 | xfree (default_set_background); |
fca177d4 | 2075 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2076 | : NULL; |
2077 | ||
fca177d4 KL |
2078 | default_max_colors = tty->TN_max_colors; |
2079 | default_max_pairs = tty->TN_max_pairs; | |
2080 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2081 | } |
2082 | else | |
2083 | { | |
fca177d4 KL |
2084 | tty->TS_orig_pair = default_orig_pair; |
2085 | tty->TS_set_foreground = default_set_foreground; | |
2086 | tty->TS_set_background = default_set_background; | |
2087 | tty->TN_max_colors = default_max_colors; | |
2088 | tty->TN_max_pairs = default_max_pairs; | |
2089 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2090 | } |
2091 | } | |
2092 | ||
2093 | /* Setup one of the standard tty color schemes according to MODE. | |
2094 | MODE's value is generally the number of colors which we want to | |
2095 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2096 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2097 | static void |
28d7d09f | 2098 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2099 | { |
6b61353c KH |
2100 | /* Canonicalize all negative values of MODE. */ |
2101 | if (mode < -1) | |
2102 | mode = -1; | |
2103 | ||
ace28297 EZ |
2104 | switch (mode) |
2105 | { | |
2106 | case -1: /* no colors at all */ | |
fca177d4 KL |
2107 | tty->TN_max_colors = 0; |
2108 | tty->TN_max_pairs = 0; | |
2109 | tty->TN_no_color_video = 0; | |
2110 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2111 | break; |
2112 | case 0: /* default colors, if any */ | |
2113 | default: | |
fca177d4 | 2114 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2115 | break; |
2116 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2117 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2118 | #ifdef TERMINFO |
fca177d4 KL |
2119 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2120 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2121 | #else |
fca177d4 KL |
2122 | tty->TS_set_foreground = "\033[3%dm"; |
2123 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2124 | #endif |
fca177d4 KL |
2125 | tty->TN_max_colors = 8; |
2126 | tty->TN_max_pairs = 64; | |
2127 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2128 | break; |
2129 | } | |
2130 | } | |
2131 | ||
2132 | void | |
d3da34e0 | 2133 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2134 | { |
ce5b453a | 2135 | Lisp_Object tem, val; |
9b2cd403 SM |
2136 | Lisp_Object color_mode; |
2137 | int mode; | |
9b2cd403 SM |
2138 | Lisp_Object tty_color_mode_alist |
2139 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2140 | |
e69b0960 | 2141 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2142 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2143 | |
6b61353c | 2144 | if (INTEGERP (val)) |
ace28297 | 2145 | color_mode = val; |
ce5b453a | 2146 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2147 | { |
ce5b453a | 2148 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2149 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2150 | } |
ce5b453a SM |
2151 | else |
2152 | color_mode = Qnil; | |
6b61353c | 2153 | |
d311d28c | 2154 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2155 | |
9b2cd403 | 2156 | if (mode != tty->previous_color_mode) |
ace28297 | 2157 | { |
9b2cd403 SM |
2158 | tty->previous_color_mode = mode; |
2159 | tty_setup_colors (tty , mode); | |
2160 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2161 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2162 | } |
2163 | } | |
2164 | ||
84704c5c | 2165 | #endif /* !DOS_NT */ |
a168702a GM |
2166 | |
2167 | \f | |
28d440ab | 2168 | |
6ed8eeff | 2169 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2170 | |
64520e5c | 2171 | static struct terminal * |
653d4f43 | 2172 | get_tty_terminal (Lisp_Object terminal, bool throw) |
b6660415 | 2173 | { |
717a00ef | 2174 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2175 | |
84704c5c | 2176 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2177 | { |
2178 | if (throw) | |
2179 | error ("Device %d is not a termcap terminal device", t->id); | |
2180 | else | |
2181 | return NULL; | |
2182 | } | |
b6660415 | 2183 | |
6ed8eeff | 2184 | return t; |
b6660415 KL |
2185 | } |
2186 | ||
ab797f65 KL |
2187 | /* Return an active termcap device that uses the tty device with the |
2188 | given name. | |
b6660415 | 2189 | |
7e59217d | 2190 | This function ignores suspended devices. |
da8e1115 KL |
2191 | |
2192 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2193 | |
6ed8eeff | 2194 | struct terminal * |
8ea90aa3 | 2195 | get_named_tty (const char *name) |
28d440ab | 2196 | { |
6ed8eeff KL |
2197 | struct terminal *t; |
2198 | ||
9c253307 | 2199 | eassert (name); |
ab797f65 KL |
2200 | |
2201 | for (t = terminal_list; t; t = t->next_terminal) | |
2202 | { | |
5cc67f65 | 2203 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2204 | && !strcmp (t->display_info.tty->name, name) |
2205 | && TERMINAL_ACTIVE_P (t)) | |
2206 | return t; | |
2207 | } | |
28d440ab KL |
2208 | |
2209 | return 0; | |
2210 | } | |
2211 | ||
2212 | \f | |
a7ca3326 | 2213 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2214 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2215 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2216 | |
401e9e57 CY |
2217 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2218 | selected frame's terminal). */) | |
5842a27b | 2219 | (Lisp_Object terminal) |
b6660415 | 2220 | { |
6ed8eeff | 2221 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2222 | |
84704c5c | 2223 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2224 | return Qnil; |
2225 | ||
6ed8eeff KL |
2226 | if (t->display_info.tty->type) |
2227 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2228 | else |
2229 | return Qnil; | |
2230 | } | |
2231 | ||
6ed8eeff | 2232 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2233 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2234 | |
401e9e57 CY |
2235 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2236 | selected frame's terminal). This function always returns nil if | |
2237 | TERMINAL is not on a tty device. */) | |
5842a27b | 2238 | (Lisp_Object terminal) |
4a933ef8 | 2239 | { |
6ed8eeff | 2240 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2241 | |
84704c5c EZ |
2242 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2243 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2244 | return Qnil; |
2245 | else | |
2246 | return Qt; | |
2247 | } | |
2248 | ||
a3fbb897 | 2249 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2250 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2251 | This is used to override the terminfo data, for certain terminals that |
2252 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2253 | no effect if used on a non-tty terminal. |
a3fbb897 | 2254 | |
401e9e57 CY |
2255 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2256 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2257 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2258 | (Lisp_Object terminal) |
a3fbb897 | 2259 | { |
6ed8eeff | 2260 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2261 | |
6ed8eeff KL |
2262 | if (t->type == output_termcap) |
2263 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2264 | return Qnil; |
2265 | } | |
2266 | ||
c6bf3022 CY |
2267 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2268 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2269 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2270 | selected frame's terminal). This function returns nil if TERMINAL | |
2271 | does not refer to a text terminal. Otherwise, it returns the | |
2272 | top-most frame on the text terminal. */) | |
2273 | (Lisp_Object terminal) | |
2274 | { | |
2275 | struct terminal *t = get_terminal (terminal, 1); | |
2276 | ||
2277 | if (t->type == output_termcap) | |
2278 | return t->display_info.tty->top_frame; | |
2279 | return Qnil; | |
2280 | } | |
2281 | ||
ed8dad6b KL |
2282 | \f |
2283 | ||
2284 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2285 | doc: /* Suspend the terminal device TTY. | |
2286 | ||
2287 | The device is restored to its default state, and Emacs ceases all | |
2288 | access to the tty device. Frames that use the device are not deleted, | |
2289 | but input is not read from them and if they change, their display is | |
2290 | not updated. | |
2291 | ||
401e9e57 CY |
2292 | TTY may be a terminal object, a frame, or nil for the terminal device |
2293 | of the currently selected frame. | |
ed8dad6b | 2294 | |
e4019195 | 2295 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2296 | device. The functions are run with one arg, the id of the suspended |
2297 | terminal device. | |
2298 | ||
2299 | `suspend-tty' does nothing if it is called on a device that is already | |
2300 | suspended. | |
2301 | ||
2302 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2303 | (Lisp_Object tty) |
ed8dad6b | 2304 | { |
717a00ef | 2305 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2306 | FILE *f; |
f4d953fc | 2307 | |
6ed8eeff | 2308 | if (!t) |
ed8dad6b KL |
2309 | error ("Unknown tty device"); |
2310 | ||
6ed8eeff | 2311 | f = t->display_info.tty->input; |
f4d953fc | 2312 | |
ed8dad6b KL |
2313 | if (f) |
2314 | { | |
23d4cba5 DN |
2315 | /* First run `suspend-tty-functions' and then clean up the tty |
2316 | state because `suspend-tty-functions' might need to change | |
2317 | the tty state. */ | |
dee091a3 JD |
2318 | Lisp_Object args[2]; |
2319 | args[0] = intern ("suspend-tty-functions"); | |
2320 | XSETTERMINAL (args[1], t); | |
2321 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2322 | |
6ed8eeff | 2323 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2324 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2325 | |
84704c5c | 2326 | #ifndef MSDOS |
ed8dad6b | 2327 | fclose (f); |
6ed8eeff KL |
2328 | if (f != t->display_info.tty->output) |
2329 | fclose (t->display_info.tty->output); | |
84704c5c | 2330 | #endif |
f4d953fc | 2331 | |
6ed8eeff KL |
2332 | t->display_info.tty->input = 0; |
2333 | t->display_info.tty->output = 0; | |
ed8dad6b | 2334 | |
6ed8eeff | 2335 | if (FRAMEP (t->display_info.tty->top_frame)) |
edfa7fa0 | 2336 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); |
f4d953fc | 2337 | |
ed8dad6b KL |
2338 | } |
2339 | ||
4a665758 KL |
2340 | /* Clear display hooks to prevent further output. */ |
2341 | clear_tty_hooks (t); | |
2342 | ||
ed8dad6b KL |
2343 | return Qnil; |
2344 | } | |
2345 | ||
2346 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2347 | doc: /* Resume the previously suspended terminal device TTY. | |
2348 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2349 | suspended terminal are revived. |
ed8dad6b | 2350 | |
6ed8eeff KL |
2351 | It is an error to resume a terminal while another terminal is active |
2352 | on the same device. | |
ed8dad6b | 2353 | |
e4019195 | 2354 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2355 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2356 | device. |
2357 | ||
2358 | `resume-tty' does nothing if it is called on a device that is not | |
2359 | suspended. | |
2360 | ||
401e9e57 CY |
2361 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2362 | frame's terminal). */) | |
5842a27b | 2363 | (Lisp_Object tty) |
ed8dad6b | 2364 | { |
717a00ef | 2365 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2366 | int fd; |
2367 | ||
6ed8eeff | 2368 | if (!t) |
ed8dad6b KL |
2369 | error ("Unknown tty device"); |
2370 | ||
6ed8eeff | 2371 | if (!t->display_info.tty->input) |
ed8dad6b | 2372 | { |
6ed8eeff | 2373 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2374 | error ("Cannot resume display while another display is active on the same device"); |
2375 | ||
84704c5c EZ |
2376 | #ifdef MSDOS |
2377 | t->display_info.tty->output = stdout; | |
2378 | t->display_info.tty->input = stdin; | |
2379 | #else /* !MSDOS */ | |
6ed8eeff | 2380 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ef30e638 PE |
2381 | t->display_info.tty->input = t->display_info.tty->output |
2382 | = fd < 0 ? 0 : fdopen (fd, "w+"); | |
ed8dad6b | 2383 | |
ef30e638 PE |
2384 | if (! t->display_info.tty->input) |
2385 | { | |
2386 | int open_errno = errno; | |
2387 | emacs_close (fd); | |
2388 | report_file_errno ("Cannot reopen tty device", | |
2389 | build_string (t->display_info.tty->name), | |
2390 | open_errno); | |
2391 | } | |
ed8dad6b | 2392 | |
b8956427 | 2393 | if (!O_IGNORE_CTTY && strcmp (t->display_info.tty->name, DEV_TTY) != 0) |
59b3194c | 2394 | dissociate_if_controlling_tty (fd); |
84704c5c | 2395 | #endif |
78048085 | 2396 | |
ed8dad6b KL |
2397 | add_keyboard_wait_descriptor (fd); |
2398 | ||
6ed8eeff | 2399 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2400 | { |
2401 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2402 | int width, height; | |
2403 | int old_height = FRAME_COLS (f); | |
2404 | int old_width = FRAME_LINES (f); | |
2405 | ||
2406 | /* Check if terminal/window size has changed while the frame | |
2407 | was suspended. */ | |
2408 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2409 | if (width != old_width || height != old_height) | |
880e6158 | 2410 | change_frame_size (f, width, height, 0, 0, 0, 0); |
edfa7fa0 | 2411 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); |
db878925 | 2412 | } |
ed8dad6b | 2413 | |
04f2d78b | 2414 | set_tty_hooks (t); |
6ed8eeff | 2415 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2416 | |
dee091a3 JD |
2417 | { |
2418 | /* Run `resume-tty-functions'. */ | |
2419 | Lisp_Object args[2]; | |
2420 | args[0] = intern ("resume-tty-functions"); | |
2421 | XSETTERMINAL (args[1], t); | |
2422 | Frun_hook_with_args (2, args); | |
2423 | } | |
ed8dad6b KL |
2424 | } |
2425 | ||
4a665758 KL |
2426 | set_tty_hooks (t); |
2427 | ||
ed8dad6b KL |
2428 | return Qnil; |
2429 | } | |
a3fbb897 | 2430 | |
819b8f00 | 2431 | \f |
e882229c NR |
2432 | /*********************************************************************** |
2433 | Mouse | |
2434 | ***********************************************************************/ | |
2435 | ||
7e5a23bd | 2436 | #ifdef HAVE_GPM |
64520e5c PE |
2437 | |
2438 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2439 | void |
2440 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2441 | { |
1ec5dc77 | 2442 | /* TODO: how to set mouse position? |
94da14a0 NR |
2443 | const char *name; |
2444 | int fd; | |
2445 | name = (const char *) ttyname (0); | |
406af475 | 2446 | fd = emacs_open (name, O_WRONLY, 0); |
80fb2ce0 | 2447 | SOME_FUNCTION (x, y, fd); |
bacba3c2 | 2448 | emacs_close (fd); |
94da14a0 | 2449 | last_mouse_x = x; |
80fb2ce0 | 2450 | last_mouse_y = y; */ |
94da14a0 | 2451 | } |
64520e5c | 2452 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2453 | |
cf482c50 EZ |
2454 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2455 | void | |
2456 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2457 | int start_hpos, int end_hpos, | |
2458 | enum draw_glyphs_face draw) | |
e882229c | 2459 | { |
cf482c50 EZ |
2460 | int nglyphs = end_hpos - start_hpos; |
2461 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2462 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2463 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2464 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2465 | |
cf482c50 EZ |
2466 | if (end_hpos >= row->used[TEXT_AREA]) |
2467 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2468 | |
cf482c50 EZ |
2469 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2470 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2471 | |
cf482c50 EZ |
2472 | /* Save current cursor co-ordinates. */ |
2473 | save_y = curY (tty); | |
2474 | save_x = curX (tty); | |
2475 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2476 | |
cf482c50 EZ |
2477 | if (draw == DRAW_MOUSE_FACE) |
2478 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2479 | nglyphs, face_id); | |
2480 | else if (draw == DRAW_NORMAL_TEXT) | |
2481 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2482 | |
cf482c50 | 2483 | cursor_to (f, save_y, save_x); |
e882229c NR |
2484 | } |
2485 | ||
653d4f43 | 2486 | static bool |
a10c8269 | 2487 | term_mouse_movement (struct frame *frame, Gpm_Event *event) |
e882229c NR |
2488 | { |
2489 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2490 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2491 | { | |
2492 | frame->mouse_moved = 1; | |
cf482c50 | 2493 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2494 | /* Remember which glyph we're now on. */ |
2495 | last_mouse_x = event->x; | |
2496 | last_mouse_y = event->y; | |
2497 | return 1; | |
2498 | } | |
2499 | return 0; | |
2500 | } | |
2501 | ||
d35af63c PE |
2502 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2503 | static Time | |
2504 | timeval_to_Time (struct timeval const *t) | |
2505 | { | |
2506 | Time s_1000, ms; | |
2507 | ||
2508 | s_1000 = t->tv_sec; | |
2509 | s_1000 *= 1000; | |
2510 | ms = t->tv_usec / 1000; | |
2511 | return s_1000 + ms; | |
2512 | } | |
2513 | ||
e882229c NR |
2514 | /* Return the current position of the mouse. |
2515 | ||
2516 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2517 | Emacs frame. If it is set to zero, all the other arguments are | |
2518 | garbage. | |
2519 | ||
2520 | Set *bar_window to Qnil, and *x and *y to the column and | |
2521 | row of the character cell the mouse is over. | |
2522 | ||
7f3f1250 | 2523 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2524 | |
80fb2ce0 | 2525 | This clears mouse_moved until the next motion |
94da14a0 | 2526 | event arrives. */ |
e882229c | 2527 | static void |
a10c8269 | 2528 | term_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window, |
e882229c | 2529 | enum scroll_bar_part *part, Lisp_Object *x, |
08dc5ae6 | 2530 | Lisp_Object *y, Time *timeptr) |
e882229c | 2531 | { |
e882229c | 2532 | struct timeval now; |
e882229c NR |
2533 | |
2534 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2535 | (*fp)->mouse_moved = 0; |
e882229c NR |
2536 | |
2537 | *bar_window = Qnil; | |
2538 | *part = 0; | |
2539 | ||
80fb2ce0 | 2540 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2541 | XSETINT (*y, last_mouse_y); |
e882229c | 2542 | gettimeofday(&now, 0); |
d35af63c | 2543 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2544 | } |
2545 | ||
2546 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2547 | ||
2548 | If the event is a button press, then note that we have grabbed | |
2549 | the mouse. */ | |
2550 | ||
2551 | static Lisp_Object | |
2552 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2553 | struct frame *f) | |
2554 | { | |
2555 | struct timeval now; | |
2556 | int i, j; | |
2557 | ||
2558 | result->kind = GPM_CLICK_EVENT; | |
2559 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2560 | { | |
2561 | if (event->buttons & j) { | |
2562 | result->code = i; /* button number */ | |
2563 | break; | |
2564 | } | |
2565 | } | |
2566 | gettimeofday(&now, 0); | |
d35af63c | 2567 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2568 | |
2569 | if (event->type & GPM_UP) | |
2570 | result->modifiers = up_modifier; | |
2571 | else if (event->type & GPM_DOWN) | |
2572 | result->modifiers = down_modifier; | |
2573 | else | |
2574 | result->modifiers = 0; | |
f4d953fc | 2575 | |
e882229c NR |
2576 | if (event->type & GPM_SINGLE) |
2577 | result->modifiers |= click_modifier; | |
f4d953fc | 2578 | |
e882229c NR |
2579 | if (event->type & GPM_DOUBLE) |
2580 | result->modifiers |= double_modifier; | |
2581 | ||
2582 | if (event->type & GPM_TRIPLE) | |
2583 | result->modifiers |= triple_modifier; | |
2584 | ||
2585 | if (event->type & GPM_DRAG) | |
2586 | result->modifiers |= drag_modifier; | |
2587 | ||
80fb2ce0 | 2588 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2589 | |
2590 | /* 1 << KG_SHIFT */ | |
2591 | if (event->modifiers & (1 << 0)) | |
2592 | result->modifiers |= shift_modifier; | |
2593 | ||
2594 | /* 1 << KG_CTRL */ | |
2595 | if (event->modifiers & (1 << 2)) | |
2596 | result->modifiers |= ctrl_modifier; | |
2597 | ||
2598 | /* 1 << KG_ALT || KG_ALTGR */ | |
2599 | if (event->modifiers & (1 << 3) | |
2600 | || event->modifiers & (1 << 1)) | |
2601 | result->modifiers |= meta_modifier; | |
2602 | } | |
2603 | ||
80fb2ce0 NR |
2604 | XSETINT (result->x, event->x); |
2605 | XSETINT (result->y, event->y); | |
e882229c NR |
2606 | XSETFRAME (result->frame_or_window, f); |
2607 | result->arg = Qnil; | |
2608 | return Qnil; | |
2609 | } | |
2610 | ||
f4d953fc | 2611 | int |
7be1c21a | 2612 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2613 | { |
7be1c21a | 2614 | struct frame *f = XFRAME (tty->top_frame); |
e882229c | 2615 | struct input_event ie; |
653d4f43 | 2616 | bool do_help = 0; |
e882229c NR |
2617 | int count = 0; |
2618 | ||
2619 | EVENT_INIT (ie); | |
2620 | ie.kind = NO_EVENT; | |
2621 | ie.arg = Qnil; | |
2622 | ||
80fb2ce0 | 2623 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2624 | previous_help_echo_string = help_echo_string; |
2625 | help_echo_string = Qnil; | |
2626 | ||
6178ce5e | 2627 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2628 | |
80fb2ce0 NR |
2629 | if (!term_mouse_movement (f, event)) |
2630 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2631 | |
2632 | /* If the contents of the global variable help_echo_string | |
2633 | has changed, generate a HELP_EVENT. */ | |
2634 | if (!NILP (help_echo_string) | |
2635 | || !NILP (previous_help_echo_string)) | |
2636 | do_help = 1; | |
2637 | ||
2638 | goto done; | |
2639 | } | |
2640 | else { | |
2641 | f->mouse_moved = 0; | |
2642 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2643 | } |
2644 | ||
2645 | done: | |
2646 | if (ie.kind != NO_EVENT) | |
2647 | { | |
2648 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2649 | count++; | |
2650 | } | |
2651 | ||
2652 | if (do_help | |
2653 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2654 | { | |
2655 | Lisp_Object frame; | |
2656 | ||
2657 | if (f) | |
2658 | XSETFRAME (frame, f); | |
2659 | else | |
2660 | frame = Qnil; | |
2661 | ||
2662 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2663 | help_echo_object, help_echo_pos); | |
2664 | count++; | |
2665 | } | |
2666 | ||
2667 | return count; | |
2668 | } | |
2669 | ||
6178ce5e | 2670 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2671 | 0, 0, 0, |
71f44e7a | 2672 | doc: /* Open a connection to Gpm. |
6178ce5e | 2673 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2674 | (void) |
e882229c | 2675 | { |
71f44e7a SM |
2676 | struct frame *f = SELECTED_FRAME (); |
2677 | struct tty_display_info *tty | |
2678 | = ((f)->output_method == output_termcap | |
2679 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2680 | Gpm_Connect connection; |
2681 | ||
6178ce5e SM |
2682 | if (!tty) |
2683 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2684 | if (gpm_tty == tty) |
2685 | return Qnil; /* Already activated, nothing to do. */ | |
2686 | if (gpm_tty) | |
2687 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2688 | |
e882229c NR |
2689 | connection.eventMask = ~0; |
2690 | connection.defaultMask = ~GPM_HARD; | |
2691 | connection.maxMod = ~0; | |
2692 | connection.minMod = 0; | |
80fb2ce0 | 2693 | gpm_zerobased = 1; |
e882229c NR |
2694 | |
2695 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2696 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2697 | else |
2698 | { | |
71f44e7a | 2699 | gpm_tty = tty; |
1023cbed SM |
2700 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2701 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2702 | before calling init_sys_modes. */ | |
7be1c21a MB |
2703 | reset_sys_modes (tty); |
2704 | init_sys_modes (tty); | |
e882229c | 2705 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2706 | return Qnil; |
e882229c NR |
2707 | } |
2708 | } | |
2709 | ||
ed5ff21d | 2710 | void |
d347e494 | 2711 | close_gpm (int fd) |
ed5ff21d | 2712 | { |
d347e494 SM |
2713 | if (fd >= 0) |
2714 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2715 | while (Gpm_Close()); /* close all the stack */ |
2716 | gpm_tty = NULL; | |
2717 | } | |
2718 | ||
6178ce5e | 2719 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2720 | 0, 0, 0, |
2721 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2722 | (void) |
e882229c | 2723 | { |
4ce5ab77 SM |
2724 | struct frame *f = SELECTED_FRAME (); |
2725 | struct tty_display_info *tty | |
2726 | = ((f)->output_method == output_termcap | |
2727 | ? (f)->terminal->display_info.tty : NULL); | |
2728 | ||
2729 | if (!tty || gpm_tty != tty) | |
2730 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2731 | |
d347e494 | 2732 | close_gpm (gpm_fd); |
6178ce5e | 2733 | return Qnil; |
e882229c | 2734 | } |
7e5a23bd | 2735 | #endif /* HAVE_GPM */ |
e882229c NR |
2736 | |
2737 | \f | |
b5e9cbb6 EZ |
2738 | /*********************************************************************** |
2739 | Menus | |
2740 | ***********************************************************************/ | |
2741 | ||
7cdf484b | 2742 | #if !defined (MSDOS) |
b5e9cbb6 EZ |
2743 | |
2744 | /* TTY menu implementation and main ideas are borrowed from msdos.c. | |
2745 | ||
2746 | However, unlike on MSDOS, where the menu text is drawn directly to | |
fa93733d EZ |
2747 | the display video memory, on a TTY we use display_string (see |
2748 | display_tty_menu_item in xdisp.c) to put the glyphs produced from | |
ccd4a783 EZ |
2749 | the menu items into the frame's 'desired_matrix' glyph matrix, and |
2750 | then call update_frame_with_menu to deliver the results to the | |
2751 | glass. The previous contents of the screen, in the form of the | |
2752 | current_matrix, is stashed away, and used to restore screen | |
b5e9cbb6 EZ |
2753 | contents when the menu selection changes or when the final |
2754 | selection is made and the menu should be popped down. | |
2755 | ||
141f1ff7 | 2756 | The idea of this implementation was suggested by Gerd Moellmann. */ |
b5e9cbb6 EZ |
2757 | |
2758 | #define TTYM_FAILURE -1 | |
2759 | #define TTYM_SUCCESS 1 | |
2760 | #define TTYM_NO_SELECT 2 | |
2761 | #define TTYM_IA_SELECT 3 | |
4a48e94d EZ |
2762 | #define TTYM_NEXT 4 |
2763 | #define TTYM_PREV 5 | |
b5e9cbb6 EZ |
2764 | |
2765 | /* These hold text of the current and the previous menu help messages. */ | |
2766 | static const char *menu_help_message, *prev_menu_help_message; | |
2767 | /* Pane number and item number of the menu item which generated the | |
2768 | last menu help message. */ | |
2769 | static int menu_help_paneno, menu_help_itemno; | |
2770 | ||
df782309 EZ |
2771 | static Lisp_Object Qtty_menu_navigation_map, Qtty_menu_exit; |
2772 | static Lisp_Object Qtty_menu_prev_item, Qtty_menu_next_item; | |
2773 | static Lisp_Object Qtty_menu_next_menu, Qtty_menu_prev_menu; | |
2774 | static Lisp_Object Qtty_menu_select, Qtty_menu_ignore; | |
e648f699 | 2775 | static Lisp_Object Qtty_menu_mouse_movement; |
f0177f86 | 2776 | |
b5e9cbb6 EZ |
2777 | typedef struct tty_menu_struct |
2778 | { | |
2779 | int count; | |
2780 | char **text; | |
2781 | struct tty_menu_struct **submenu; | |
5cbcc455 | 2782 | int *panenumber; /* Also used as enabled flag. */ |
3b158d11 | 2783 | ptrdiff_t allocated; |
b5e9cbb6 EZ |
2784 | int panecount; |
2785 | int width; | |
2786 | const char **help_text; | |
2787 | } tty_menu; | |
2788 | ||
2789 | /* Create a brand new menu structure. */ | |
2790 | ||
2791 | static tty_menu * | |
2792 | tty_menu_create (void) | |
2793 | { | |
3b158d11 | 2794 | return xzalloc (sizeof *tty_menu_create ()); |
b5e9cbb6 EZ |
2795 | } |
2796 | ||
2797 | /* Allocate some (more) memory for MENU ensuring that there is room for one | |
3b158d11 | 2798 | more item. */ |
b5e9cbb6 EZ |
2799 | |
2800 | static void | |
2801 | tty_menu_make_room (tty_menu *menu) | |
2802 | { | |
3b158d11 | 2803 | if (menu->allocated == menu->count) |
b5e9cbb6 | 2804 | { |
3b158d11 PE |
2805 | ptrdiff_t allocated = menu->allocated; |
2806 | menu->text = xpalloc (menu->text, &allocated, 1, -1, sizeof *menu->text); | |
2807 | menu->text = xrealloc (menu->text, allocated * sizeof *menu->text); | |
2808 | menu->submenu = xrealloc (menu->submenu, | |
2809 | allocated * sizeof *menu->submenu); | |
2810 | menu->panenumber = xrealloc (menu->panenumber, | |
2811 | allocated * sizeof *menu->panenumber); | |
2812 | menu->help_text = xrealloc (menu->help_text, | |
2813 | allocated * sizeof *menu->help_text); | |
2814 | menu->allocated = allocated; | |
b5e9cbb6 EZ |
2815 | } |
2816 | } | |
2817 | ||
2818 | /* Search the given menu structure for a given pane number. */ | |
2819 | ||
2820 | static tty_menu * | |
2821 | tty_menu_search_pane (tty_menu *menu, int pane) | |
2822 | { | |
2823 | int i; | |
2824 | tty_menu *try; | |
2825 | ||
2826 | for (i = 0; i < menu->count; i++) | |
2827 | if (menu->submenu[i]) | |
2828 | { | |
2829 | if (pane == menu->panenumber[i]) | |
2830 | return menu->submenu[i]; | |
798aef02 PE |
2831 | try = tty_menu_search_pane (menu->submenu[i], pane); |
2832 | if (try) | |
b5e9cbb6 EZ |
2833 | return try; |
2834 | } | |
2835 | return (tty_menu *) 0; | |
2836 | } | |
2837 | ||
2838 | /* Determine how much screen space a given menu needs. */ | |
2839 | ||
2840 | static void | |
2841 | tty_menu_calc_size (tty_menu *menu, int *width, int *height) | |
2842 | { | |
2843 | int i, h2, w2, maxsubwidth, maxheight; | |
2844 | ||
9e30f0e1 | 2845 | maxsubwidth = menu->width; |
b5e9cbb6 EZ |
2846 | maxheight = menu->count; |
2847 | for (i = 0; i < menu->count; i++) | |
2848 | { | |
2849 | if (menu->submenu[i]) | |
2850 | { | |
2851 | tty_menu_calc_size (menu->submenu[i], &w2, &h2); | |
2852 | if (w2 > maxsubwidth) maxsubwidth = w2; | |
2853 | if (i + h2 > maxheight) maxheight = i + h2; | |
2854 | } | |
2855 | } | |
9e30f0e1 | 2856 | *width = maxsubwidth; |
b5e9cbb6 EZ |
2857 | *height = maxheight; |
2858 | } | |
2859 | ||
e648f699 EZ |
2860 | static void |
2861 | mouse_get_xy (int *x, int *y) | |
2862 | { | |
2863 | struct frame *sf = SELECTED_FRAME (); | |
5cbcc455 | 2864 | Lisp_Object lmx = Qnil, lmy = Qnil, lisp_dummy; |
e648f699 EZ |
2865 | enum scroll_bar_part part_dummy; |
2866 | Time time_dummy; | |
2867 | ||
2868 | if (FRAME_TERMINAL (sf)->mouse_position_hook) | |
2869 | (*FRAME_TERMINAL (sf)->mouse_position_hook) (&sf, -1, | |
2870 | &lisp_dummy, &part_dummy, | |
2871 | &lmx, &lmy, | |
2872 | &time_dummy); | |
2873 | if (!NILP (lmx)) | |
2874 | { | |
2875 | *x = XINT (lmx); | |
2876 | *y = XINT (lmy); | |
2877 | } | |
2878 | } | |
2879 | ||
ccd4a783 EZ |
2880 | /* Display MENU at (X,Y) using FACES, starting with FIRST_ITEM |
2881 | (zero-based). */ | |
b5e9cbb6 | 2882 | |
b5e9cbb6 | 2883 | static void |
ffc3882f | 2884 | tty_menu_display (tty_menu *menu, int x, int y, int pn, int *faces, |
798aef02 | 2885 | int mx, int my, int first_item, bool disp_help) |
b5e9cbb6 | 2886 | { |
bbc10837 | 2887 | int i, face, width, enabled, mousehere, row, col; |
b5e9cbb6 EZ |
2888 | struct frame *sf = SELECTED_FRAME (); |
2889 | struct tty_display_info *tty = FRAME_TTY (sf); | |
48621e69 EZ |
2890 | /* Don't try to display more menu items than the console can display |
2891 | using the available screen lines. Exclude the echo area line, as | |
2892 | it will be overwritten by the help-echo anyway. */ | |
ccd4a783 | 2893 | int max_items = min (menu->count - first_item, FRAME_LINES (sf) - 1 - y); |
b5e9cbb6 EZ |
2894 | |
2895 | menu_help_message = NULL; | |
2896 | ||
2897 | width = menu->width; | |
e7873136 EZ |
2898 | col = cursorX (tty); |
2899 | row = cursorY (tty); | |
48621e69 | 2900 | for (i = 0; i < max_items; i++) |
b5e9cbb6 | 2901 | { |
342cf494 | 2902 | int max_width = width + 2; /* +2 for padding blanks on each side */ |
ccd4a783 | 2903 | int j = i + first_item; |
b5e9cbb6 | 2904 | |
ccd4a783 | 2905 | if (menu->submenu[j]) |
342cf494 | 2906 | max_width += 2; /* for displaying " >" after the item */ |
b5e9cbb6 | 2907 | enabled |
ccd4a783 | 2908 | = (!menu->submenu[j] && menu->panenumber[j]) || (menu->submenu[j]); |
b5e9cbb6 EZ |
2909 | mousehere = (y + i == my && x <= mx && mx < x + max_width); |
2910 | face = faces[enabled + mousehere * 2]; | |
2911 | /* Display the menu help string for the i-th menu item even if | |
2912 | the menu item is currently disabled. That's what the GUI | |
2913 | code does. */ | |
2914 | if (disp_help && enabled + mousehere * 2 >= 2) | |
2915 | { | |
ccd4a783 | 2916 | menu_help_message = menu->help_text[j]; |
b5e9cbb6 | 2917 | menu_help_paneno = pn - 1; |
ccd4a783 | 2918 | menu_help_itemno = j; |
b5e9cbb6 | 2919 | } |
ccd4a783 EZ |
2920 | display_tty_menu_item (menu->text[j], max_width, face, x, y + i, |
2921 | menu->submenu[j] != NULL); | |
b5e9cbb6 EZ |
2922 | } |
2923 | update_frame_with_menu (sf); | |
2924 | cursor_to (sf, row, col); | |
2925 | } | |
2926 | ||
2927 | /* --------------------------- X Menu emulation ---------------------- */ | |
2928 | ||
b5e9cbb6 EZ |
2929 | /* Create a new pane and place it on the outer-most level. */ |
2930 | ||
e7873136 EZ |
2931 | static int |
2932 | tty_menu_add_pane (tty_menu *menu, const char *txt) | |
b5e9cbb6 EZ |
2933 | { |
2934 | int len; | |
3b158d11 | 2935 | const unsigned char *p; |
b5e9cbb6 EZ |
2936 | |
2937 | tty_menu_make_room (menu); | |
2938 | menu->submenu[menu->count] = tty_menu_create (); | |
2939 | menu->text[menu->count] = (char *)txt; | |
2940 | menu->panenumber[menu->count] = ++menu->panecount; | |
2941 | menu->help_text[menu->count] = NULL; | |
2942 | menu->count++; | |
2943 | ||
2944 | /* Update the menu width, if necessary. */ | |
3b158d11 | 2945 | for (len = 0, p = (unsigned char *) txt; *p; ) |
b5e9cbb6 EZ |
2946 | { |
2947 | int ch_len; | |
2948 | int ch = STRING_CHAR_AND_LENGTH (p, ch_len); | |
2949 | ||
2950 | len += CHAR_WIDTH (ch); | |
2951 | p += ch_len; | |
2952 | } | |
2953 | ||
2954 | if (len > menu->width) | |
2955 | menu->width = len; | |
2956 | ||
2957 | return menu->panecount; | |
2958 | } | |
2959 | ||
2960 | /* Create a new item in a menu pane. */ | |
2961 | ||
798aef02 | 2962 | static bool |
b5e9cbb6 | 2963 | tty_menu_add_selection (tty_menu *menu, int pane, |
798aef02 | 2964 | char *txt, bool enable, char const *help_text) |
b5e9cbb6 EZ |
2965 | { |
2966 | int len; | |
3b158d11 | 2967 | unsigned char *p; |
b5e9cbb6 EZ |
2968 | |
2969 | if (pane) | |
798aef02 PE |
2970 | { |
2971 | menu = tty_menu_search_pane (menu, pane); | |
2972 | if (! menu) | |
2973 | return 0; | |
2974 | } | |
b5e9cbb6 EZ |
2975 | tty_menu_make_room (menu); |
2976 | menu->submenu[menu->count] = (tty_menu *) 0; | |
2977 | menu->text[menu->count] = txt; | |
2978 | menu->panenumber[menu->count] = enable; | |
2979 | menu->help_text[menu->count] = help_text; | |
2980 | menu->count++; | |
2981 | ||
2982 | /* Update the menu width, if necessary. */ | |
3b158d11 | 2983 | for (len = 0, p = (unsigned char *) txt; *p; ) |
b5e9cbb6 EZ |
2984 | { |
2985 | int ch_len; | |
2986 | int ch = STRING_CHAR_AND_LENGTH (p, ch_len); | |
2987 | ||
2988 | len += CHAR_WIDTH (ch); | |
2989 | p += ch_len; | |
2990 | } | |
2991 | ||
2992 | if (len > menu->width) | |
2993 | menu->width = len; | |
2994 | ||
798aef02 | 2995 | return 1; |
b5e9cbb6 EZ |
2996 | } |
2997 | ||
2998 | /* Decide where the menu would be placed if requested at (X,Y). */ | |
2999 | ||
3b158d11 | 3000 | static void |
b5e9cbb6 EZ |
3001 | tty_menu_locate (tty_menu *menu, int x, int y, |
3002 | int *ulx, int *uly, int *width, int *height) | |
3003 | { | |
3004 | tty_menu_calc_size (menu, width, height); | |
3005 | *ulx = x + 1; | |
3006 | *uly = y; | |
3007 | *width += 2; | |
3008 | } | |
3009 | ||
3010 | struct tty_menu_state | |
3011 | { | |
141f1ff7 | 3012 | struct glyph_matrix *screen_behind; |
b5e9cbb6 EZ |
3013 | tty_menu *menu; |
3014 | int pane; | |
3015 | int x, y; | |
3016 | }; | |
3017 | ||
f34729ea EZ |
3018 | /* Save away the contents of frame F's current frame matrix, and |
3019 | enable all its rows. Value is a glyph matrix holding the contents | |
3020 | of F's current frame matrix with all its glyph rows enabled. */ | |
3021 | ||
4ed77415 | 3022 | static struct glyph_matrix * |
f34729ea EZ |
3023 | save_and_enable_current_matrix (struct frame *f) |
3024 | { | |
3025 | int i; | |
3026 | struct glyph_matrix *saved = xzalloc (sizeof *saved); | |
3027 | saved->nrows = f->current_matrix->nrows; | |
3028 | saved->rows = xzalloc (saved->nrows * sizeof *saved->rows); | |
3029 | ||
3030 | for (i = 0; i < saved->nrows; ++i) | |
3031 | { | |
3032 | struct glyph_row *from = f->current_matrix->rows + i; | |
3033 | struct glyph_row *to = saved->rows + i; | |
3034 | ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph); | |
3035 | ||
3036 | to->glyphs[TEXT_AREA] = xmalloc (nbytes); | |
3037 | memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes); | |
3038 | to->used[TEXT_AREA] = from->used[TEXT_AREA]; | |
3039 | /* Make sure every row is enabled, or else update_frame will not | |
3040 | redraw them. (Rows that are identical to what is already on | |
3041 | screen will not be redrawn anyway.) */ | |
3042 | to->enabled_p = 1; | |
3043 | to->hash = from->hash; | |
f34729ea EZ |
3044 | } |
3045 | ||
3046 | return saved; | |
3047 | } | |
3048 | ||
141f1ff7 EZ |
3049 | /* Restore the contents of frame F's desired frame matrix from SAVED, |
3050 | and free memory associated with SAVED. */ | |
b5e9cbb6 | 3051 | |
141f1ff7 EZ |
3052 | static void |
3053 | restore_desired_matrix (struct frame *f, struct glyph_matrix *saved) | |
3054 | { | |
3055 | int i; | |
3056 | ||
3057 | for (i = 0; i < saved->nrows; ++i) | |
3058 | { | |
3059 | struct glyph_row *from = saved->rows + i; | |
3060 | struct glyph_row *to = f->desired_matrix->rows + i; | |
3061 | ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph); | |
3062 | ||
96114a30 | 3063 | eassert (to->glyphs[TEXT_AREA] != from->glyphs[TEXT_AREA]); |
141f1ff7 EZ |
3064 | memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes); |
3065 | to->used[TEXT_AREA] = from->used[TEXT_AREA]; | |
fa93733d EZ |
3066 | to->enabled_p = from->enabled_p; |
3067 | to->hash = from->hash; | |
141f1ff7 | 3068 | } |
141f1ff7 EZ |
3069 | } |
3070 | ||
3071 | static void | |
3072 | free_saved_screen (struct glyph_matrix *saved) | |
3073 | { | |
3074 | int i; | |
3075 | ||
3076 | if (!saved) | |
3077 | return; /* already freed */ | |
3078 | ||
3079 | for (i = 0; i < saved->nrows; ++i) | |
3080 | { | |
3081 | struct glyph_row *from = saved->rows + i; | |
3082 | ||
3083 | xfree (from->glyphs[TEXT_AREA]); | |
141f1ff7 EZ |
3084 | } |
3085 | ||
3086 | xfree (saved->rows); | |
3087 | xfree (saved); | |
3088 | } | |
3089 | ||
3090 | /* Update the display of frame F from its saved contents. */ | |
3091 | static void | |
3092 | screen_update (struct frame *f, struct glyph_matrix *mtx) | |
3093 | { | |
3094 | restore_desired_matrix (f, mtx); | |
3095 | update_frame_with_menu (f); | |
3096 | } | |
3097 | ||
ccd4a783 EZ |
3098 | typedef enum { |
3099 | MI_QUIT_MENU = -1, | |
3100 | MI_CONTINUE = 0, | |
3101 | MI_ITEM_SELECTED = 1, | |
3102 | MI_NEXT_ITEM = 2, | |
3103 | MI_PREV_ITEM = 3, | |
3104 | MI_SCROLL_FORWARD = 4, | |
3105 | MI_SCROLL_BACK = 5 | |
3106 | } mi_result; | |
0de83597 | 3107 | |
ccd4a783 EZ |
3108 | /* Read user input and return X and Y coordinates where that input |
3109 | puts us. We only consider mouse movement and click events, and | |
3110 | keyboard movement commands; the rest are ignored. */ | |
3111 | static mi_result | |
df782309 EZ |
3112 | read_menu_input (struct frame *sf, int *x, int *y, int min_y, int max_y, |
3113 | bool *first_time) | |
141f1ff7 | 3114 | { |
ffc3882f EZ |
3115 | if (*first_time) |
3116 | { | |
3117 | *first_time = false; | |
3118 | sf->mouse_moved = 1; | |
ffc3882f | 3119 | } |
afd8eb2c | 3120 | else |
141f1ff7 | 3121 | { |
7ace9265 | 3122 | Lisp_Object cmd; |
798aef02 | 3123 | bool usable_input = 1; |
ccd4a783 | 3124 | mi_result st = MI_CONTINUE; |
f34729ea | 3125 | struct tty_display_info *tty = FRAME_TTY (sf); |
e648f699 | 3126 | Lisp_Object saved_mouse_tracking = do_mouse_tracking; |
f0177f86 | 3127 | |
f34729ea EZ |
3128 | /* Signal the keyboard reading routines we are displaying a menu |
3129 | on this terminal. */ | |
3130 | tty->showing_menu = 1; | |
e648f699 EZ |
3131 | /* We want mouse movements be reported by read_menu_command. */ |
3132 | do_mouse_tracking = Qt; | |
7ace9265 EZ |
3133 | do { |
3134 | cmd = read_menu_command (); | |
e648f699 | 3135 | } while (NILP (cmd)); |
f34729ea | 3136 | tty->showing_menu = 0; |
e648f699 | 3137 | do_mouse_tracking = saved_mouse_tracking; |
7ace9265 | 3138 | |
df782309 | 3139 | if (EQ (cmd, Qt) || EQ (cmd, Qtty_menu_exit)) |
ccd4a783 | 3140 | return MI_QUIT_MENU; |
e648f699 | 3141 | if (EQ (cmd, Qtty_menu_mouse_movement)) |
3b158d11 | 3142 | mouse_get_xy (x, y); |
e648f699 | 3143 | else if (EQ (cmd, Qtty_menu_next_menu)) |
4a48e94d EZ |
3144 | { |
3145 | usable_input = 0; | |
ccd4a783 | 3146 | st = MI_NEXT_ITEM; |
4a48e94d | 3147 | } |
df782309 | 3148 | else if (EQ (cmd, Qtty_menu_prev_menu)) |
4a48e94d EZ |
3149 | { |
3150 | usable_input = 0; | |
ccd4a783 | 3151 | st = MI_PREV_ITEM; |
4a48e94d | 3152 | } |
df782309 EZ |
3153 | else if (EQ (cmd, Qtty_menu_next_item)) |
3154 | { | |
3155 | if (*y < max_y) | |
3156 | *y += 1; | |
052bac0b | 3157 | else |
ccd4a783 | 3158 | st = MI_SCROLL_FORWARD; |
df782309 EZ |
3159 | } |
3160 | else if (EQ (cmd, Qtty_menu_prev_item)) | |
3161 | { | |
3162 | if (*y > min_y) | |
3163 | *y -= 1; | |
052bac0b | 3164 | else |
ccd4a783 | 3165 | st = MI_SCROLL_BACK; |
df782309 EZ |
3166 | } |
3167 | else if (EQ (cmd, Qtty_menu_select)) | |
ccd4a783 | 3168 | st = MI_ITEM_SELECTED; |
df782309 | 3169 | else if (!EQ (cmd, Qtty_menu_ignore)) |
e648f699 | 3170 | usable_input = 0; |
f0177f86 EZ |
3171 | if (usable_input) |
3172 | sf->mouse_moved = 1; | |
0de83597 | 3173 | return st; |
141f1ff7 | 3174 | } |
ccd4a783 | 3175 | return MI_CONTINUE; |
141f1ff7 EZ |
3176 | } |
3177 | ||
3178 | /* Display menu, wait for user's response, and return that response. */ | |
4a48e94d | 3179 | static int |
b5e9cbb6 EZ |
3180 | tty_menu_activate (tty_menu *menu, int *pane, int *selidx, |
3181 | int x0, int y0, char **txt, | |
4a48e94d | 3182 | void (*help_callback)(char const *, int, int), |
798aef02 | 3183 | bool kbd_navigation) |
b5e9cbb6 EZ |
3184 | { |
3185 | struct tty_menu_state *state; | |
798aef02 PE |
3186 | int statecount, x, y, i; |
3187 | bool leave, onepane; | |
3b158d11 | 3188 | int result IF_LINT (= 0); |
b5e9cbb6 EZ |
3189 | int title_faces[4]; /* face to display the menu title */ |
3190 | int faces[4], buffers_num_deleted = 0; | |
3191 | struct frame *sf = SELECTED_FRAME (); | |
28a16449 | 3192 | struct tty_display_info *tty = FRAME_TTY (sf); |
ffc3882f | 3193 | bool first_time; |
3b158d11 | 3194 | Lisp_Object selectface; |
ccd4a783 | 3195 | int first_item = 0; |
b5e9cbb6 EZ |
3196 | |
3197 | /* Don't allow non-positive x0 and y0, lest the menu will wrap | |
3198 | around the display. */ | |
3199 | if (x0 <= 0) | |
3200 | x0 = 1; | |
3201 | if (y0 <= 0) | |
3202 | y0 = 1; | |
3203 | ||
b5e9cbb6 | 3204 | state = alloca (menu->panecount * sizeof (struct tty_menu_state)); |
141f1ff7 | 3205 | memset (state, 0, sizeof (*state)); |
b5e9cbb6 EZ |
3206 | faces[0] |
3207 | = lookup_derived_face (sf, intern ("tty-menu-disabled-face"), | |
3208 | DEFAULT_FACE_ID, 1); | |
3209 | faces[1] | |
3210 | = lookup_derived_face (sf, intern ("tty-menu-enabled-face"), | |
3211 | DEFAULT_FACE_ID, 1); | |
3212 | selectface = intern ("tty-menu-selected-face"); | |
3213 | faces[2] = lookup_derived_face (sf, selectface, | |
3214 | faces[0], 1); | |
3215 | faces[3] = lookup_derived_face (sf, selectface, | |
3216 | faces[1], 1); | |
3217 | ||
3218 | /* Make sure the menu title is always displayed with | |
50a5f95e | 3219 | `tty-menu-selected-face', no matter where the mouse pointer is. */ |
b5e9cbb6 EZ |
3220 | for (i = 0; i < 4; i++) |
3221 | title_faces[i] = faces[3]; | |
3222 | ||
3223 | statecount = 1; | |
3224 | ||
3225 | /* Don't let the title for the "Buffers" popup menu include a | |
3226 | digit (which is ugly). | |
3227 | ||
3228 | This is a terrible kludge, but I think the "Buffers" case is | |
3229 | the only one where the title includes a number, so it doesn't | |
3230 | seem to be necessary to make this more general. */ | |
3231 | if (strncmp (menu->text[0], "Buffers 1", 9) == 0) | |
3232 | { | |
3233 | menu->text[0][7] = '\0'; | |
3234 | buffers_num_deleted = 1; | |
3235 | } | |
3236 | ||
141f1ff7 EZ |
3237 | /* Force update of the current frame, so that the desired and the |
3238 | current matrices are identical. */ | |
3239 | update_frame_with_menu (sf); | |
b5e9cbb6 | 3240 | state[0].menu = menu; |
f34729ea | 3241 | state[0].screen_behind = save_and_enable_current_matrix (sf); |
b5e9cbb6 | 3242 | |
ffc3882f EZ |
3243 | /* Display the menu title. We subtract 1 from x0 and y0 because we |
3244 | want to interpret them as zero-based column and row coordinates, | |
3245 | and also because we want the first item of the menu, not its | |
3246 | title, to appear at x0,y0. */ | |
ccd4a783 | 3247 | tty_menu_display (menu, x0 - 1, y0 - 1, 1, title_faces, x0 - 1, y0 - 1, 0, 0); |
6270e29e EZ |
3248 | |
3249 | /* Turn off the cursor. Otherwise it shows through the menu | |
3250 | panes, which is ugly. */ | |
3251 | tty_hide_cursor (tty); | |
b5e9cbb6 EZ |
3252 | if (buffers_num_deleted) |
3253 | menu->text[0][7] = ' '; | |
798aef02 PE |
3254 | onepane = menu->count == 1 && menu->submenu[0]; |
3255 | if (onepane) | |
b5e9cbb6 EZ |
3256 | { |
3257 | menu->width = menu->submenu[0]->width; | |
3258 | state[0].menu = menu->submenu[0]; | |
3259 | } | |
3260 | else | |
3261 | { | |
3262 | state[0].menu = menu; | |
3263 | } | |
3264 | state[0].x = x0 - 1; | |
3265 | state[0].y = y0; | |
3266 | state[0].pane = onepane; | |
3267 | ||
141f1ff7 EZ |
3268 | x = state[0].x; |
3269 | y = state[0].y; | |
ffc3882f | 3270 | first_time = true; |
141f1ff7 | 3271 | |
b5e9cbb6 EZ |
3272 | leave = 0; |
3273 | while (!leave) | |
3274 | { | |
ccd4a783 | 3275 | mi_result input_status; |
48621e69 | 3276 | int min_y = state[0].y; |
052bac0b | 3277 | int max_y = min (min_y + state[0].menu->count, FRAME_LINES (sf) - 1) - 1; |
e7873136 | 3278 | |
df782309 | 3279 | input_status = read_menu_input (sf, &x, &y, min_y, max_y, &first_time); |
f0177f86 EZ |
3280 | if (input_status) |
3281 | { | |
4a48e94d | 3282 | leave = 1; |
ccd4a783 | 3283 | switch (input_status) |
824682ea | 3284 | { |
ccd4a783 | 3285 | case MI_QUIT_MENU: |
824682ea EZ |
3286 | /* Remove the last help-echo, so that it doesn't |
3287 | re-appear after "Quit". */ | |
3288 | show_help_echo (Qnil, Qnil, Qnil, Qnil); | |
3289 | result = TTYM_NO_SELECT; | |
ccd4a783 EZ |
3290 | break; |
3291 | case MI_NEXT_ITEM: | |
4a48e94d EZ |
3292 | if (kbd_navigation) |
3293 | result = TTYM_NEXT; | |
3294 | else | |
3295 | leave = 0; | |
ccd4a783 EZ |
3296 | break; |
3297 | case MI_PREV_ITEM: | |
4a48e94d EZ |
3298 | if (kbd_navigation) |
3299 | result = TTYM_PREV; | |
3300 | else | |
3301 | leave = 0; | |
ccd4a783 EZ |
3302 | break; |
3303 | case MI_SCROLL_FORWARD: | |
3304 | if (y - min_y == state[0].menu->count - 1 - first_item) | |
3305 | { | |
3306 | y = min_y; | |
3307 | first_item = 0; | |
3308 | } | |
3309 | else | |
3310 | first_item++; | |
3311 | leave = 0; | |
3312 | break; | |
3313 | case MI_SCROLL_BACK: | |
3314 | if (first_item == 0) | |
3315 | { | |
3316 | y = max_y; | |
3317 | first_item = state[0].menu->count - 1 - (y - min_y); | |
3318 | } | |
3319 | else | |
3320 | first_item--; | |
3321 | leave = 0; | |
3322 | break; | |
3323 | default: | |
3324 | /* MI_ITEM_SELECTED is handled below, so nothing to do. */ | |
3325 | break; | |
4a48e94d | 3326 | } |
f0177f86 | 3327 | } |
ccd4a783 | 3328 | if (sf->mouse_moved && input_status != MI_QUIT_MENU) |
b5e9cbb6 EZ |
3329 | { |
3330 | sf->mouse_moved = 0; | |
3331 | result = TTYM_IA_SELECT; | |
b5e9cbb6 EZ |
3332 | for (i = 0; i < statecount; i++) |
3333 | if (state[i].x <= x && x < state[i].x + state[i].menu->width + 2) | |
3334 | { | |
ccd4a783 | 3335 | int dy = y - state[i].y + first_item; |
b5e9cbb6 EZ |
3336 | if (0 <= dy && dy < state[i].menu->count) |
3337 | { | |
3338 | if (!state[i].menu->submenu[dy]) | |
3339 | { | |
3340 | if (state[i].menu->panenumber[dy]) | |
3341 | result = TTYM_SUCCESS; | |
3342 | else | |
3343 | result = TTYM_IA_SELECT; | |
3344 | } | |
3345 | *pane = state[i].pane - 1; | |
3346 | *selidx = dy; | |
3347 | /* We hit some part of a menu, so drop extra menus that | |
3348 | have been opened. That does not include an open and | |
3349 | active submenu. */ | |
3350 | if (i != statecount - 2 | |
3351 | || state[i].menu->submenu[dy] != state[i+1].menu) | |
3352 | while (i != statecount - 1) | |
3353 | { | |
3354 | statecount--; | |
e7873136 | 3355 | screen_update (sf, state[statecount].screen_behind); |
141f1ff7 | 3356 | state[statecount].screen_behind = NULL; |
b5e9cbb6 EZ |
3357 | } |
3358 | if (i == statecount - 1 && state[i].menu->submenu[dy]) | |
3359 | { | |
3360 | tty_menu_display (state[i].menu, | |
b5e9cbb6 | 3361 | state[i].x, |
ffc3882f | 3362 | state[i].y, |
b5e9cbb6 | 3363 | state[i].pane, |
ccd4a783 | 3364 | faces, x, y, first_item, 1); |
b5e9cbb6 EZ |
3365 | state[statecount].menu = state[i].menu->submenu[dy]; |
3366 | state[statecount].pane = state[i].menu->panenumber[dy]; | |
141f1ff7 | 3367 | state[statecount].screen_behind |
f34729ea | 3368 | = save_and_enable_current_matrix (sf); |
b5e9cbb6 EZ |
3369 | state[statecount].x |
3370 | = state[i].x + state[i].menu->width + 2; | |
3371 | state[statecount].y = y; | |
3372 | statecount++; | |
3373 | } | |
3374 | } | |
3375 | } | |
3376 | tty_menu_display (state[statecount - 1].menu, | |
b5e9cbb6 | 3377 | state[statecount - 1].x, |
ffc3882f | 3378 | state[statecount - 1].y, |
b5e9cbb6 | 3379 | state[statecount - 1].pane, |
ccd4a783 | 3380 | faces, x, y, first_item, 1); |
6270e29e EZ |
3381 | tty_hide_cursor (tty); |
3382 | fflush (tty->output); | |
b5e9cbb6 | 3383 | } |
824682ea EZ |
3384 | |
3385 | /* Display the help-echo message for the currently-selected menu | |
3386 | item. */ | |
3387 | if ((menu_help_message || prev_menu_help_message) | |
3388 | && menu_help_message != prev_menu_help_message) | |
b5e9cbb6 | 3389 | { |
824682ea EZ |
3390 | help_callback (menu_help_message, |
3391 | menu_help_paneno, menu_help_itemno); | |
3392 | tty_hide_cursor (tty); | |
6270e29e | 3393 | fflush (tty->output); |
824682ea | 3394 | prev_menu_help_message = menu_help_message; |
b5e9cbb6 | 3395 | } |
b5e9cbb6 EZ |
3396 | } |
3397 | ||
ffc3882f | 3398 | sf->mouse_moved = 0; |
141f1ff7 | 3399 | screen_update (sf, state[0].screen_behind); |
b5e9cbb6 | 3400 | while (statecount--) |
141f1ff7 | 3401 | free_saved_screen (state[statecount].screen_behind); |
28a16449 | 3402 | tty_show_cursor (tty); /* turn cursor back on */ |
9f6a18d2 | 3403 | fflush (tty->output); |
28a16449 EZ |
3404 | |
3405 | /* Clean up any mouse events that are waiting inside Emacs event queue. | |
b5e9cbb6 EZ |
3406 | These events are likely to be generated before the menu was even |
3407 | displayed, probably because the user pressed and released the button | |
3408 | (which invoked the menu) too quickly. If we don't remove these events, | |
3409 | Emacs will process them after we return and surprise the user. */ | |
3410 | discard_mouse_events (); | |
e7873136 | 3411 | if (!kbd_buffer_events_waiting ()) |
b5e9cbb6 | 3412 | clear_input_pending (); |
b5e9cbb6 EZ |
3413 | return result; |
3414 | } | |
3415 | ||
3416 | /* Dispose of a menu. */ | |
3417 | ||
3b158d11 | 3418 | static void |
b5e9cbb6 EZ |
3419 | tty_menu_destroy (tty_menu *menu) |
3420 | { | |
3421 | int i; | |
3422 | if (menu->allocated) | |
3423 | { | |
3424 | for (i = 0; i < menu->count; i++) | |
3425 | if (menu->submenu[i]) | |
3426 | tty_menu_destroy (menu->submenu[i]); | |
3427 | xfree (menu->text); | |
3428 | xfree (menu->submenu); | |
3429 | xfree (menu->panenumber); | |
3430 | xfree (menu->help_text); | |
3431 | } | |
3432 | xfree (menu); | |
3433 | menu_help_message = prev_menu_help_message = NULL; | |
3434 | } | |
3435 | ||
e7873136 EZ |
3436 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
3437 | ||
3438 | PANE is the pane number, and ITEM is the menu item number in | |
5cbcc455 | 3439 | the menu (currently not used). */ |
e7873136 EZ |
3440 | |
3441 | static void | |
3442 | tty_menu_help_callback (char const *help_string, int pane, int item) | |
3443 | { | |
3444 | Lisp_Object *first_item; | |
3445 | Lisp_Object pane_name; | |
3446 | Lisp_Object menu_object; | |
3447 | ||
91f2d272 | 3448 | first_item = XVECTOR (menu_items)->contents; |
e7873136 EZ |
3449 | if (EQ (first_item[0], Qt)) |
3450 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
3451 | else if (EQ (first_item[0], Qquote)) | |
3452 | /* This shouldn't happen, see xmenu_show. */ | |
3453 | pane_name = empty_unibyte_string; | |
3454 | else | |
3455 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
3456 | ||
3457 | /* (menu-item MENU-NAME PANE-NUMBER) */ | |
3458 | menu_object = list3 (Qmenu_item, pane_name, make_number (pane)); | |
3459 | show_help_echo (help_string ? build_string (help_string) : Qnil, | |
3460 | Qnil, menu_object, make_number (item)); | |
3461 | } | |
3462 | ||
3463 | static void | |
3464 | tty_pop_down_menu (Lisp_Object arg) | |
3465 | { | |
3466 | tty_menu *menu = XSAVE_POINTER (arg, 0); | |
3467 | ||
3468 | block_input (); | |
3469 | tty_menu_destroy (menu); | |
3470 | unblock_input (); | |
3471 | } | |
3472 | ||
4a48e94d EZ |
3473 | /* Return the zero-based index of the last menu-bar item on frame F. */ |
3474 | static int | |
3475 | tty_menu_last_menubar_item (struct frame *f) | |
3476 | { | |
3477 | int i = 0; | |
3478 | ||
3479 | eassert (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)); | |
3480 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)) | |
3481 | { | |
3482 | Lisp_Object items = FRAME_MENU_BAR_ITEMS (f); | |
3483 | ||
3484 | while (i < ASIZE (items)) | |
3485 | { | |
3486 | Lisp_Object str; | |
3487 | ||
3488 | str = AREF (items, i + 1); | |
3489 | if (NILP (str)) | |
3490 | break; | |
3491 | i += 4; | |
3492 | } | |
3493 | i -= 4; /* went one too far */ | |
3494 | } | |
3495 | return i; | |
3496 | } | |
3497 | ||
3498 | /* Find in frame F's menu bar the menu item that is next or previous | |
3499 | to the item at X/Y, and return that item's position in X/Y. WHICH | |
3500 | says which one--next or previous--item to look for. X and Y are | |
3501 | measured in character cells. This should only be called on TTY | |
3502 | frames. */ | |
3503 | static void | |
3504 | tty_menu_new_item_coords (struct frame *f, int which, int *x, int *y) | |
3505 | { | |
3506 | eassert (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)); | |
3507 | if (FRAME_TERMCAP_P (f) && FRAME_LIVE_P (f)) | |
3508 | { | |
3509 | Lisp_Object items = FRAME_MENU_BAR_ITEMS (f); | |
3510 | int last_i = tty_menu_last_menubar_item (f); | |
3511 | int i, prev_x; | |
3512 | ||
3513 | /* This loop assumes a single menu-bar line, and will fail to | |
3514 | find an item if it is not in the first line. Note that | |
3515 | make_lispy_event in keyboard.c makes the same assumption. */ | |
3516 | for (i = 0, prev_x = -1; i < ASIZE (items); i += 4) | |
3517 | { | |
3518 | Lisp_Object pos, str; | |
3519 | int ix; | |
3520 | ||
3521 | str = AREF (items, i + 1); | |
3522 | pos = AREF (items, i + 3); | |
3523 | if (NILP (str)) | |
3524 | return; | |
3525 | ix = XINT (pos); | |
3526 | if (ix <= *x | |
3527 | /* We use <= so the blank between 2 items on a TTY is | |
3528 | considered part of the previous item. */ | |
3b158d11 | 3529 | && *x <= ix + menu_item_width (SDATA (str))) |
4a48e94d EZ |
3530 | { |
3531 | /* Found current item. Now compute the X coordinate of | |
3532 | the previous or next item. */ | |
3533 | if (which == TTYM_NEXT) | |
3534 | { | |
3535 | if (i < last_i) | |
3536 | *x = XINT (AREF (items, i + 4 + 3)); | |
3537 | else | |
3538 | *x = 0; /* wrap around to the first item */ | |
3539 | } | |
3540 | else if (prev_x < 0) | |
3541 | { | |
3542 | /* Wrap around to the last item. */ | |
3543 | *x = XINT (AREF (items, last_i + 3)); | |
3544 | } | |
3545 | else | |
3546 | *x = prev_x; | |
3547 | return; | |
3548 | } | |
3549 | prev_x = ix; | |
3550 | } | |
3551 | } | |
3552 | } | |
3553 | ||
b5e9cbb6 | 3554 | Lisp_Object |
798aef02 PE |
3555 | tty_menu_show (struct frame *f, int x, int y, bool for_click, bool keymaps, |
3556 | Lisp_Object title, bool kbd_navigation, const char **error_name) | |
b5e9cbb6 EZ |
3557 | { |
3558 | tty_menu *menu; | |
3559 | int pane, selidx, lpane, status; | |
3560 | Lisp_Object entry, pane_prefix; | |
3561 | char *datap; | |
3562 | int ulx, uly, width, height; | |
4a48e94d | 3563 | int item_x, item_y; |
b5e9cbb6 EZ |
3564 | int dispwidth, dispheight; |
3565 | int i, j, lines, maxlines; | |
3566 | int maxwidth; | |
9428abbf | 3567 | ptrdiff_t specpdl_count; |
b5e9cbb6 | 3568 | |
9428abbf | 3569 | eassert (FRAME_TERMCAP_P (f)); |
b5e9cbb6 EZ |
3570 | |
3571 | *error_name = 0; | |
3572 | if (menu_items_n_panes == 0) | |
3573 | return Qnil; | |
3574 | ||
3575 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) | |
3576 | { | |
3577 | *error_name = "Empty menu"; | |
3578 | return Qnil; | |
3579 | } | |
3580 | ||
3581 | /* Make the menu on that window. */ | |
3582 | menu = tty_menu_create (); | |
3583 | if (menu == NULL) | |
3584 | { | |
3585 | *error_name = "Can't create menu"; | |
3586 | return Qnil; | |
3587 | } | |
3588 | ||
3589 | /* Don't GC while we prepare and show the menu, because we give the | |
3590 | menu functions pointers to the contents of strings. */ | |
9428abbf | 3591 | specpdl_count = inhibit_garbage_collection (); |
b5e9cbb6 EZ |
3592 | |
3593 | /* Adjust coordinates to be root-window-relative. */ | |
4a48e94d EZ |
3594 | item_x = x += f->left_pos; |
3595 | item_y = y += f->top_pos; | |
b5e9cbb6 EZ |
3596 | |
3597 | /* Create all the necessary panes and their items. */ | |
3598 | maxwidth = maxlines = lines = i = 0; | |
3599 | lpane = TTYM_FAILURE; | |
3600 | while (i < menu_items_used) | |
3601 | { | |
dfe3ac02 | 3602 | if (EQ (AREF (menu_items, i), Qt)) |
b5e9cbb6 EZ |
3603 | { |
3604 | /* Create a new pane. */ | |
3605 | Lisp_Object pane_name, prefix; | |
3606 | const char *pane_string; | |
3607 | ||
3608 | maxlines = max (maxlines, lines); | |
3609 | lines = 0; | |
dfe3ac02 EZ |
3610 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
3611 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
b5e9cbb6 EZ |
3612 | pane_string = (NILP (pane_name) |
3613 | ? "" : SSDATA (pane_name)); | |
3614 | if (keymaps && !NILP (prefix)) | |
3615 | pane_string++; | |
3616 | ||
3617 | lpane = tty_menu_add_pane (menu, pane_string); | |
3618 | if (lpane == TTYM_FAILURE) | |
3619 | { | |
3620 | tty_menu_destroy (menu); | |
3621 | *error_name = "Can't create pane"; | |
9428abbf DA |
3622 | entry = Qnil; |
3623 | goto tty_menu_end; | |
b5e9cbb6 EZ |
3624 | } |
3625 | i += MENU_ITEMS_PANE_LENGTH; | |
3626 | ||
3627 | /* Find the width of the widest item in this pane. */ | |
3628 | j = i; | |
3629 | while (j < menu_items_used) | |
3630 | { | |
3631 | Lisp_Object item; | |
dfe3ac02 | 3632 | item = AREF (menu_items, j); |
b5e9cbb6 EZ |
3633 | if (EQ (item, Qt)) |
3634 | break; | |
3635 | if (NILP (item)) | |
3636 | { | |
3637 | j++; | |
3638 | continue; | |
3639 | } | |
3640 | width = SBYTES (item); | |
3641 | if (width > maxwidth) | |
3642 | maxwidth = width; | |
3643 | ||
3644 | j += MENU_ITEMS_ITEM_LENGTH; | |
3645 | } | |
3646 | } | |
3647 | /* Ignore a nil in the item list. | |
3648 | It's meaningful only for dialog boxes. */ | |
dfe3ac02 | 3649 | else if (EQ (AREF (menu_items, i), Qquote)) |
b5e9cbb6 EZ |
3650 | i += 1; |
3651 | else | |
3652 | { | |
3653 | /* Create a new item within current pane. */ | |
3654 | Lisp_Object item_name, enable, descrip, help; | |
3655 | char *item_data; | |
3656 | char const *help_string; | |
3657 | ||
dfe3ac02 EZ |
3658 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
3659 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
3660 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
3661 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
b5e9cbb6 EZ |
3662 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
3663 | ||
3664 | if (!NILP (descrip)) | |
3665 | { | |
3666 | /* if alloca is fast, use that to make the space, | |
3667 | to reduce gc needs. */ | |
3668 | item_data = (char *) alloca (maxwidth + SBYTES (descrip) + 1); | |
3669 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); | |
3670 | for (j = SCHARS (item_name); j < maxwidth; j++) | |
3671 | item_data[j] = ' '; | |
3672 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); | |
3673 | item_data[j + SBYTES (descrip)] = 0; | |
3674 | } | |
3675 | else | |
3676 | item_data = SSDATA (item_name); | |
3677 | ||
3678 | if (lpane == TTYM_FAILURE | |
798aef02 PE |
3679 | || (! tty_menu_add_selection (menu, lpane, item_data, |
3680 | !NILP (enable), help_string))) | |
b5e9cbb6 EZ |
3681 | { |
3682 | tty_menu_destroy (menu); | |
3683 | *error_name = "Can't add selection to menu"; | |
9428abbf DA |
3684 | entry = Qnil; |
3685 | goto tty_menu_end; | |
b5e9cbb6 EZ |
3686 | } |
3687 | i += MENU_ITEMS_ITEM_LENGTH; | |
3688 | lines++; | |
3689 | } | |
3690 | } | |
3691 | ||
3692 | maxlines = max (maxlines, lines); | |
3693 | ||
3694 | /* All set and ready to fly. */ | |
3695 | dispwidth = f->text_cols; | |
3696 | dispheight = f->text_lines; | |
3697 | x = min (x, dispwidth); | |
3698 | y = min (y, dispheight); | |
3699 | x = max (x, 1); | |
3700 | y = max (y, 1); | |
3701 | tty_menu_locate (menu, x, y, &ulx, &uly, &width, &height); | |
9428abbf | 3702 | if (ulx + width > dispwidth) |
b5e9cbb6 EZ |
3703 | { |
3704 | x -= (ulx + width) - dispwidth; | |
3705 | ulx = dispwidth - width; | |
3706 | } | |
9428abbf | 3707 | if (uly + height > dispheight) |
b5e9cbb6 EZ |
3708 | { |
3709 | y -= (uly + height) - dispheight; | |
3710 | uly = dispheight - height; | |
3711 | } | |
3712 | ||
df782309 | 3713 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 2) |
b5e9cbb6 EZ |
3714 | { |
3715 | /* Move the menu away of the echo area, to avoid overwriting the | |
3716 | menu with help echo messages or vice versa. */ | |
3717 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
3718 | { | |
df782309 EZ |
3719 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)) + 1; |
3720 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)) + 1; | |
b5e9cbb6 EZ |
3721 | } |
3722 | else | |
3723 | { | |
df782309 EZ |
3724 | y -= 2; |
3725 | uly -= 2; | |
b5e9cbb6 EZ |
3726 | } |
3727 | } | |
3728 | ||
3729 | if (ulx < 0) x -= ulx; | |
3730 | if (uly < 0) y -= uly; | |
3731 | ||
a01f89af EZ |
3732 | #if 0 |
3733 | /* This code doesn't make sense on a TTY, since it can easily annul | |
3734 | the adjustments above that carefully avoid truncation of the menu | |
5cbcc455 EZ |
3735 | items. I think it was written to fix some problem that only |
3736 | happens on X11. */ | |
b5e9cbb6 EZ |
3737 | if (! for_click) |
3738 | { | |
3739 | /* If position was not given by a mouse click, adjust so upper left | |
3740 | corner of the menu as a whole ends up at given coordinates. This | |
3741 | is what x-popup-menu says in its documentation. */ | |
3742 | x += width/2; | |
3743 | y += 1.5*height/(maxlines+2); | |
3744 | } | |
a01f89af | 3745 | #endif |
b5e9cbb6 EZ |
3746 | |
3747 | pane = selidx = 0; | |
3748 | ||
e7873136 | 3749 | record_unwind_protect (tty_pop_down_menu, make_save_ptr (menu)); |
b5e9cbb6 | 3750 | |
df782309 EZ |
3751 | specbind (Qoverriding_terminal_local_map, |
3752 | Fsymbol_value (Qtty_menu_navigation_map)); | |
b5e9cbb6 | 3753 | status = tty_menu_activate (menu, &pane, &selidx, x, y, &datap, |
4a48e94d | 3754 | tty_menu_help_callback, kbd_navigation); |
b5e9cbb6 EZ |
3755 | entry = pane_prefix = Qnil; |
3756 | ||
3757 | switch (status) | |
3758 | { | |
3759 | case TTYM_SUCCESS: | |
3760 | /* Find the item number SELIDX in pane number PANE. */ | |
3761 | i = 0; | |
3762 | while (i < menu_items_used) | |
3763 | { | |
dfe3ac02 | 3764 | if (EQ (AREF (menu_items, i), Qt)) |
b5e9cbb6 EZ |
3765 | { |
3766 | if (pane == 0) | |
3767 | pane_prefix | |
dfe3ac02 | 3768 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
b5e9cbb6 EZ |
3769 | pane--; |
3770 | i += MENU_ITEMS_PANE_LENGTH; | |
3771 | } | |
3772 | else | |
3773 | { | |
3774 | if (pane == -1) | |
3775 | { | |
3776 | if (selidx == 0) | |
3777 | { | |
3778 | entry | |
dfe3ac02 | 3779 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
b5e9cbb6 EZ |
3780 | if (keymaps != 0) |
3781 | { | |
3782 | entry = Fcons (entry, Qnil); | |
3783 | if (!NILP (pane_prefix)) | |
3784 | entry = Fcons (pane_prefix, entry); | |
3785 | } | |
3786 | break; | |
3787 | } | |
3788 | selidx--; | |
3789 | } | |
3790 | i += MENU_ITEMS_ITEM_LENGTH; | |
3791 | } | |
3792 | } | |
3793 | break; | |
3794 | ||
4a48e94d EZ |
3795 | case TTYM_NEXT: |
3796 | case TTYM_PREV: | |
3797 | tty_menu_new_item_coords (f, status, &item_x, &item_y); | |
3798 | entry = Fcons (make_number (item_x), make_number (item_y)); | |
3799 | break; | |
3800 | ||
b5e9cbb6 EZ |
3801 | case TTYM_FAILURE: |
3802 | *error_name = "Can't activate menu"; | |
3803 | case TTYM_IA_SELECT: | |
3804 | break; | |
3805 | case TTYM_NO_SELECT: | |
3806 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means | |
3807 | the menu was invoked with a mouse event as POSITION). */ | |
3808 | if (! for_click) | |
3809 | Fsignal (Qquit, Qnil); | |
3810 | break; | |
3811 | } | |
3812 | ||
9428abbf | 3813 | tty_menu_end: |
b5e9cbb6 | 3814 | |
9428abbf | 3815 | unbind_to (specpdl_count, Qnil); |
b5e9cbb6 EZ |
3816 | return entry; |
3817 | } | |
3818 | ||
7cdf484b | 3819 | #endif /* !MSDOS */ |
b5e9cbb6 EZ |
3820 | |
3821 | \f | |
89ba96f4 | 3822 | #ifndef MSDOS |
a168702a GM |
3823 | /*********************************************************************** |
3824 | Initialization | |
3825 | ***********************************************************************/ | |
3826 | ||
ed8dad6b | 3827 | /* Initialize the tty-dependent part of frame F. The frame must |
7cdf484b | 3828 | already have its device initialized. */ |
3224dac1 | 3829 | |
dfcf069d | 3830 | void |
ed8dad6b | 3831 | create_tty_output (struct frame *f) |
28d440ab | 3832 | { |
38182d90 | 3833 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b | 3834 | |
9c253307 | 3835 | eassert (FRAME_TERMCAP_P (f)); |
428a555e | 3836 | |
6ed8eeff | 3837 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3838 | |
ed8dad6b | 3839 | f->output_data.tty = t; |
3224dac1 KL |
3840 | } |
3841 | ||
7cdf484b | 3842 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3843 | |
ed8dad6b | 3844 | static void |
9f215d25 | 3845 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3846 | { |
9c253307 | 3847 | eassert (FRAME_TERMCAP_P (f)); |
3224dac1 | 3848 | |
9f215d25 CY |
3849 | if (FRAME_FACE_CACHE (f)) |
3850 | free_frame_faces (f); | |
3851 | ||
ed8dad6b | 3852 | xfree (f->output_data.tty); |
28d440ab KL |
3853 | } |
3854 | ||
89ba96f4 EZ |
3855 | #else /* MSDOS */ |
3856 | ||
7cdf484b | 3857 | /* Delete frame F's face cache. */ |
89ba96f4 EZ |
3858 | |
3859 | static void | |
3860 | tty_free_frame_resources (struct frame *f) | |
3861 | { | |
9c253307 | 3862 | eassert (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)); |
89ba96f4 EZ |
3863 | |
3864 | if (FRAME_FACE_CACHE (f)) | |
3865 | free_frame_faces (f); | |
3866 | } | |
3867 | #endif /* MSDOS */ | |
ed8dad6b | 3868 | \f |
47cc8819 | 3869 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3870 | |
4a665758 KL |
3871 | static void |
3872 | clear_tty_hooks (struct terminal *terminal) | |
3873 | { | |
3874 | terminal->rif = 0; | |
3875 | terminal->cursor_to_hook = 0; | |
3876 | terminal->raw_cursor_to_hook = 0; | |
3877 | terminal->clear_to_end_hook = 0; | |
3878 | terminal->clear_frame_hook = 0; | |
3879 | terminal->clear_end_of_line_hook = 0; | |
3880 | terminal->ins_del_lines_hook = 0; | |
3881 | terminal->insert_glyphs_hook = 0; | |
3882 | terminal->write_glyphs_hook = 0; | |
3883 | terminal->delete_glyphs_hook = 0; | |
3884 | terminal->ring_bell_hook = 0; | |
3885 | terminal->reset_terminal_modes_hook = 0; | |
3886 | terminal->set_terminal_modes_hook = 0; | |
3887 | terminal->update_begin_hook = 0; | |
3888 | terminal->update_end_hook = 0; | |
3889 | terminal->set_terminal_window_hook = 0; | |
3890 | terminal->mouse_position_hook = 0; | |
3891 | terminal->frame_rehighlight_hook = 0; | |
3892 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3893 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3894 | terminal->set_vertical_scroll_bar_hook = 0; |
3895 | terminal->condemn_scroll_bars_hook = 0; | |
3896 | terminal->redeem_scroll_bar_hook = 0; | |
3897 | terminal->judge_scroll_bars_hook = 0; | |
3898 | terminal->read_socket_hook = 0; | |
3899 | terminal->frame_up_to_date_hook = 0; | |
3900 | ||
3901 | /* Leave these two set, or suspended frames are not deleted | |
3902 | correctly. */ | |
9f215d25 | 3903 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3904 | terminal->delete_terminal_hook = &delete_tty; |
3905 | } | |
3906 | ||
47cc8819 DN |
3907 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3908 | ||
4a665758 KL |
3909 | static void |
3910 | set_tty_hooks (struct terminal *terminal) | |
3911 | { | |
3912 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3913 | ||
3914 | terminal->cursor_to_hook = &tty_cursor_to; | |
3915 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3916 | ||
3917 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3918 | terminal->clear_frame_hook = &tty_clear_frame; | |
3919 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3920 | ||
3921 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3922 | ||
3923 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3924 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3925 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3926 | ||
3927 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3928 | |
4a665758 KL |
3929 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3930 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3931 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3932 | terminal->update_end_hook = &tty_update_end; | |
3933 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3934 | ||
3935 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3936 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3937 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3938 | ||
3939 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3940 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3941 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3942 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3943 | ||
3944 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3945 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3946 | |
9f215d25 | 3947 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3948 | terminal->delete_terminal_hook = &delete_tty; |
3949 | } | |
3950 | ||
b8956427 | 3951 | /* If FD is the controlling terminal, drop it. */ |
ed8dad6b | 3952 | static void |
03a1d6bd KL |
3953 | dissociate_if_controlling_tty (int fd) |
3954 | { | |
b8956427 PE |
3955 | /* If tcgetpgrp succeeds, fd is the controlling terminal, |
3956 | so dissociate it by invoking setsid. */ | |
908589fd | 3957 | if (tcgetpgrp (fd) >= 0 && setsid () < 0) |
b8956427 PE |
3958 | { |
3959 | #ifdef TIOCNOTTY | |
3960 | /* setsid failed, presumably because Emacs is already a process | |
3961 | group leader. Fall back on the obsolescent way to dissociate | |
3962 | a controlling tty. */ | |
3963 | block_tty_out_signal (); | |
3964 | ioctl (fd, TIOCNOTTY, 0); | |
3965 | unblock_tty_out_signal (); | |
3966 | #endif | |
3967 | } | |
03a1d6bd KL |
3968 | } |
3969 | ||
3224dac1 KL |
3970 | /* Create a termcap display on the tty device with the given name and |
3971 | type. | |
3972 | ||
ab797f65 | 3973 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3974 | Otherwise NAME should be a path to the tty device file, |
3975 | e.g. "/dev/pts/7". | |
28d440ab | 3976 | |
3224dac1 KL |
3977 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3978 | ||
a104f656 | 3979 | If MUST_SUCCEED is true, then all errors are fatal. */ |
da8e1115 | 3980 | |
6ed8eeff | 3981 | struct terminal * |
653d4f43 | 3982 | init_tty (const char *name, const char *terminal_type, bool must_succeed) |
08a24c47 | 3983 | { |
1fc8eb33 | 3984 | char *area; |
08a24c47 | 3985 | char **address = &area; |
08a24c47 | 3986 | int status; |
59b3194c KL |
3987 | struct tty_display_info *tty = NULL; |
3988 | struct terminal *terminal = NULL; | |
a104f656 | 3989 | bool ctty = false; /* True if asked to open controlling tty. */ |
28d440ab | 3990 | |
3224dac1 | 3991 | if (!terminal_type) |
d31eee5e | 3992 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3993 | "Unknown terminal type", |
3994 | "Unknown terminal type"); | |
b6660415 | 3995 | |
ab797f65 | 3996 | if (name == NULL) |
78048085 EZ |
3997 | name = DEV_TTY; |
3998 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3999 | ctty = 1; |
4000 | ||
6ed8eeff KL |
4001 | /* If we already have a terminal on the given device, use that. If |
4002 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 4003 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 4004 | always create a new terminal and separating terminal and frame |
b6660415 | 4005 | creation on Lisp level. */ |
6ed8eeff KL |
4006 | terminal = get_named_tty (name); |
4007 | if (terminal) | |
4008 | return terminal; | |
78048085 | 4009 | |
6ed8eeff | 4010 | terminal = create_terminal (); |
84704c5c EZ |
4011 | #ifdef MSDOS |
4012 | if (been_here > 0) | |
762b15be | 4013 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
4014 | name, ""); |
4015 | been_here = 1; | |
4016 | tty = &the_only_display_info; | |
4017 | #else | |
38182d90 | 4018 | tty = xzalloc (sizeof *tty); |
84704c5c | 4019 | #endif |
c650a5de | 4020 | tty->top_frame = Qnil; |
3224dac1 KL |
4021 | tty->next = tty_list; |
4022 | tty_list = tty; | |
428a555e | 4023 | |
6ed8eeff KL |
4024 | terminal->type = output_termcap; |
4025 | terminal->display_info.tty = tty; | |
4026 | tty->terminal = terminal; | |
28d440ab | 4027 | |
38182d90 | 4028 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 4029 | Wcm_clear (tty); |
daf01701 | 4030 | |
dce4c2ac DN |
4031 | encode_terminal_src_size = 0; |
4032 | encode_terminal_dst_size = 0; | |
4033 | ||
51b59d79 | 4034 | |
84704c5c | 4035 | #ifndef DOS_NT |
4a665758 | 4036 | set_tty_hooks (terminal); |
78048085 | 4037 | |
59b3194c | 4038 | { |
49cdacda | 4039 | /* Open the terminal device. */ |
0c72d684 | 4040 | |
49cdacda PE |
4041 | /* If !ctty, don't recognize it as our controlling terminal, and |
4042 | don't make it the controlling tty if we don't have one now. | |
4043 | ||
4044 | Alas, O_IGNORE_CTTY is a GNU extension that seems to be only | |
4045 | defined on Hurd. On other systems, we need to explicitly | |
4046 | dissociate ourselves from the controlling tty when we want to | |
4047 | open a frame on the same terminal. */ | |
4048 | int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY); | |
4049 | int fd = emacs_open (name, flags, 0); | |
ef30e638 | 4050 | tty->input = tty->output = fd < 0 || ! isatty (fd) ? 0 : fdopen (fd, "w+"); |
0c72d684 | 4051 | |
ef30e638 | 4052 | if (! tty->input) |
59b3194c | 4053 | { |
ef30e638 PE |
4054 | char const *diagnostic |
4055 | = tty->input ? "Not a tty device: %s" : "Could not open file: %s"; | |
4056 | emacs_close (fd); | |
4057 | maybe_fatal (must_succeed, terminal, diagnostic, diagnostic, name); | |
59b3194c | 4058 | } |
0c72d684 | 4059 | |
ef30e638 PE |
4060 | tty->name = xstrdup (name); |
4061 | terminal->name = xstrdup (name); | |
4062 | ||
49cdacda | 4063 | if (!O_IGNORE_CTTY && !ctty) |
03a1d6bd | 4064 | dissociate_if_controlling_tty (fd); |
59b3194c | 4065 | } |
78048085 | 4066 | |
28d7d09f | 4067 | tty->type = xstrdup (terminal_type); |
28d440ab | 4068 | |
819b8f00 | 4069 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 4070 | |
6548cf00 | 4071 | Wcm_clear (tty); |
08a24c47 | 4072 | |
03a1d6bd | 4073 | /* On some systems, tgetent tries to access the controlling |
a104f656 | 4074 | terminal. */ |
b8956427 PE |
4075 | block_tty_out_signal (); |
4076 | status = tgetent (tty->termcap_term_buffer, terminal_type); | |
1fc8eb33 PE |
4077 | if (tty->termcap_term_buffer[TERMCAP_BUFFER_SIZE - 1]) |
4078 | emacs_abort (); | |
b8956427 | 4079 | unblock_tty_out_signal (); |
78048085 | 4080 | |
08a24c47 | 4081 | if (status < 0) |
b0347178 KH |
4082 | { |
4083 | #ifdef TERMINFO | |
d31eee5e | 4084 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4085 | "Cannot open terminfo database file", |
4086 | "Cannot open terminfo database file"); | |
b0347178 | 4087 | #else |
d31eee5e | 4088 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4089 | "Cannot open termcap database file", |
4090 | "Cannot open termcap database file"); | |
b0347178 KH |
4091 | #endif |
4092 | } | |
08a24c47 | 4093 | if (status == 0) |
b0347178 | 4094 | { |
d31eee5e | 4095 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4096 | "Terminal type %s is not defined", |
4097 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
4098 | If that is not the actual type of terminal you have,\n\ |
4099 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
4100 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
4101 | #ifdef TERMINFO | |
4102 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 4103 | #else |
84164a0d | 4104 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 4105 | #endif |
84164a0d | 4106 | terminal_type); |
b0347178 | 4107 | } |
6b61353c | 4108 | |
1fc8eb33 | 4109 | area = tty->termcap_strings_buffer; |
fca177d4 KL |
4110 | tty->TS_ins_line = tgetstr ("al", address); |
4111 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
4112 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 4113 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
4114 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
4115 | tty->TS_clr_line = tgetstr ("ce", address); | |
4116 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
4117 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
4118 | AbsPosition (tty) = tgetstr ("cm", address); | |
4119 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
4120 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
4121 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 4122 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
4123 | tty->TS_del_char = tgetstr ("dc", address); |
4124 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
4125 | tty->TS_del_line = tgetstr ("dl", address); | |
4126 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
4127 | tty->TS_delete_mode = tgetstr ("dm", address); | |
4128 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
4129 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 4130 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
4131 | tty->TS_ins_char = tgetstr ("ic", address); |
4132 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
4133 | tty->TS_insert_mode = tgetstr ("im", address); | |
4134 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
4135 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
4136 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
4137 | LastLine (tty) = tgetstr ("ll", address); |
4138 | Right (tty) = tgetstr ("nd", address); | |
4139 | Down (tty) = tgetstr ("do", address); | |
4140 | if (!Down (tty)) | |
a104f656 | 4141 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do". */ |
08a24c47 | 4142 | if (tgetflag ("bs")) |
a104f656 SM |
4143 | Left (tty) = "\b"; /* Can't possibly be longer! */ |
4144 | else /* (Actually, "bs" is obsolete...) */ | |
6548cf00 KL |
4145 | Left (tty) = tgetstr ("le", address); |
4146 | if (!Left (tty)) | |
a104f656 | 4147 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le". */ |
fca177d4 KL |
4148 | tty->TS_pad_char = tgetstr ("pc", address); |
4149 | tty->TS_repeat = tgetstr ("rp", address); | |
4150 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
4151 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
4152 | tty->TS_standout_mode = tgetstr ("so", address); | |
4153 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 4154 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
4155 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
4156 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 4157 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
4158 | tty->TS_visible_bell = tgetstr ("vb", address); |
4159 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
4160 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
4161 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
4162 | tty->TS_set_window = tgetstr ("wi", address); | |
4163 | ||
4164 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
4165 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
4166 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 4167 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 4168 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
4169 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
4170 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
4171 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
4172 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 4173 | |
6548cf00 KL |
4174 | MultiUp (tty) = tgetstr ("UP", address); |
4175 | MultiDown (tty) = tgetstr ("DO", address); | |
4176 | MultiLeft (tty) = tgetstr ("LE", address); | |
4177 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 4178 | |
5c32d3f2 | 4179 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
4180 | color because we can't switch back to the default foreground and |
4181 | background. */ | |
fca177d4 KL |
4182 | tty->TS_orig_pair = tgetstr ("op", address); |
4183 | if (tty->TS_orig_pair) | |
a168702a | 4184 | { |
fca177d4 KL |
4185 | tty->TS_set_foreground = tgetstr ("AF", address); |
4186 | tty->TS_set_background = tgetstr ("AB", address); | |
4187 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
4188 | { |
4189 | /* SVr4. */ | |
fca177d4 KL |
4190 | tty->TS_set_foreground = tgetstr ("Sf", address); |
4191 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 4192 | } |
177c0ea7 | 4193 | |
fca177d4 KL |
4194 | tty->TN_max_colors = tgetnum ("Co"); |
4195 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 4196 | |
fca177d4 KL |
4197 | tty->TN_no_color_video = tgetnum ("NC"); |
4198 | if (tty->TN_no_color_video == -1) | |
4199 | tty->TN_no_color_video = 0; | |
a168702a | 4200 | } |
a168702a | 4201 | |
fca177d4 | 4202 | tty_default_color_capabilities (tty, 1); |
ace28297 | 4203 | |
6548cf00 | 4204 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
4205 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
4206 | the former flag imply the latter. */ | |
6548cf00 | 4207 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
77e3b1b7 | 4208 | tty->memory_below_frame = tgetflag ("db"); |
fca177d4 | 4209 | tty->TF_hazeltine = tgetflag ("hz"); |
77e3b1b7 | 4210 | tty->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
4211 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
4212 | tty->TF_insmode_motion = tgetflag ("mi"); | |
4213 | tty->TF_standout_motion = tgetflag ("ms"); | |
4214 | tty->TF_underscore = tgetflag ("ul"); | |
4215 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 4216 | |
dce4c2ac DN |
4217 | #else /* DOS_NT */ |
4218 | #ifdef WINDOWSNT | |
4219 | { | |
4220 | struct frame *f = XFRAME (selected_frame); | |
9337e206 | 4221 | int height, width; |
dce4c2ac | 4222 | |
9337e206 | 4223 | initialize_w32_display (terminal, &width, &height); |
dce4c2ac | 4224 | |
9337e206 EZ |
4225 | FrameRows (tty) = height; |
4226 | FrameCols (tty) = width; | |
4227 | tty->specified_window = height; | |
dce4c2ac | 4228 | |
dce4c2ac | 4229 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; |
77e3b1b7 | 4230 | tty->char_ins_del_ok = 1; |
dce4c2ac DN |
4231 | baud_rate = 19200; |
4232 | } | |
4233 | #else /* MSDOS */ | |
4234 | { | |
4235 | int height, width; | |
4236 | if (strcmp (terminal_type, "internal") == 0) | |
4237 | terminal->type = output_msdos_raw; | |
4238 | initialize_msdos_display (terminal); | |
4239 | ||
4240 | get_tty_size (fileno (tty->input), &width, &height); | |
4241 | FrameCols (tty) = width; | |
4242 | FrameRows (tty) = height; | |
77e3b1b7 | 4243 | tty->char_ins_del_ok = 0; |
dce4c2ac DN |
4244 | init_baud_rate (fileno (tty->input)); |
4245 | } | |
4246 | #endif /* MSDOS */ | |
4247 | tty->output = stdout; | |
4248 | tty->input = stdin; | |
4249 | /* The following two are inaccessible from w32console.c. */ | |
4250 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
4251 | terminal->delete_terminal_hook = &delete_tty; | |
4252 | ||
4253 | tty->name = xstrdup (name); | |
4254 | terminal->name = xstrdup (name); | |
4255 | tty->type = xstrdup (terminal_type); | |
4256 | ||
4257 | add_keyboard_wait_descriptor (0); | |
4258 | ||
dce4c2ac DN |
4259 | tty->delete_in_insert_mode = 1; |
4260 | ||
4261 | UseTabs (tty) = 0; | |
77e3b1b7 | 4262 | tty->scroll_region_ok = 0; |
dce4c2ac DN |
4263 | |
4264 | /* Seems to insert lines when it's not supposed to, messing up the | |
4265 | display. In doing a trace, it didn't seem to be called much, so I | |
4266 | don't think we're losing anything by turning it off. */ | |
77e3b1b7 | 4267 | tty->line_ins_del_ok = 0; |
dce4c2ac | 4268 | |
a104f656 | 4269 | tty->TN_max_colors = 16; /* Must be non-zero for tty-display-color-p. */ |
dce4c2ac DN |
4270 | #endif /* DOS_NT */ |
4271 | ||
6bc8cd65 JB |
4272 | #ifdef HAVE_GPM |
4273 | terminal->mouse_position_hook = term_mouse_position; | |
4274 | tty->mouse_highlight.mouse_face_window = Qnil; | |
4275 | #endif | |
4276 | ||
1afcba63 | 4277 | terminal->kboard = allocate_kboard (Qnil); |
6ed8eeff | 4278 | terminal->kboard->reference_count++; |
e7cf0fa0 KL |
4279 | /* Don't let the initial kboard remain current longer than necessary. |
4280 | That would cause problems if a file loaded on startup tries to | |
4281 | prompt in the mini-buffer. */ | |
4282 | if (current_kboard == initial_kboard) | |
6ed8eeff | 4283 | current_kboard = terminal->kboard; |
84704c5c | 4284 | #ifndef DOS_NT |
6ed8eeff | 4285 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 4286 | |
ff11dfa1 | 4287 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
4288 | { |
4289 | int height, width; | |
0b0d3e0b | 4290 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
4291 | FrameCols (tty) = width; |
4292 | FrameRows (tty) = height; | |
3b12ce12 RS |
4293 | } |
4294 | ||
0a125897 KL |
4295 | if (FrameCols (tty) <= 0) |
4296 | FrameCols (tty) = tgetnum ("co"); | |
4297 | if (FrameRows (tty) <= 0) | |
4298 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 4299 | |
0a125897 | 4300 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 4301 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 4302 | "Screen size %dx%d is too small", |
3224dac1 | 4303 | "Screen size %dx%d is too small", |
0a125897 | 4304 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 4305 | |
6548cf00 | 4306 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 4307 | |
fca177d4 KL |
4308 | if (!tty->TS_bell) |
4309 | tty->TS_bell = "\07"; | |
08a24c47 | 4310 | |
fca177d4 KL |
4311 | if (!tty->TS_fwd_scroll) |
4312 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 4313 | |
fca177d4 | 4314 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 4315 | |
6548cf00 KL |
4316 | if (TabWidth (tty) < 0) |
4317 | TabWidth (tty) = 8; | |
177c0ea7 | 4318 | |
08a24c47 JB |
4319 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
4320 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
4321 | if (!tty->Wcm->cm_tab) |
4322 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
4323 | */ |
4324 | ||
54800acb MB |
4325 | /* We don't support standout modes that use `magic cookies', so |
4326 | turn off any that do. */ | |
fca177d4 | 4327 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 4328 | { |
fca177d4 KL |
4329 | tty->TS_standout_mode = 0; |
4330 | tty->TS_end_standout_mode = 0; | |
54800acb | 4331 | } |
fca177d4 | 4332 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 4333 | { |
fca177d4 KL |
4334 | tty->TS_enter_underline_mode = 0; |
4335 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
4336 | } |
4337 | ||
4338 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 4339 | if (tty->TS_standout_mode == 0) |
08a24c47 | 4340 | { |
fca177d4 KL |
4341 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
4342 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
4343 | } |
4344 | ||
afd359c4 RS |
4345 | /* If no `se' string, try using a `me' string instead. |
4346 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 4347 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 4348 | { |
e4bfb3b6 | 4349 | char *s = tgetstr ("me", address); |
afd359c4 | 4350 | if (s != 0) |
fca177d4 | 4351 | tty->TS_end_standout_mode = s; |
afd359c4 | 4352 | else |
fca177d4 | 4353 | tty->TS_standout_mode = 0; |
afd359c4 RS |
4354 | } |
4355 | ||
fca177d4 | 4356 | if (tty->TF_teleray) |
08a24c47 | 4357 | { |
6548cf00 | 4358 | tty->Wcm->cm_tab = 0; |
54800acb | 4359 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 4360 | tty->TS_standout_mode = 0; |
a104f656 | 4361 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 4362 | CR (tty) = 0; |
a104f656 SM |
4363 | /* LF can't be trusted either -- can alter hpos. */ |
4364 | /* If move at column 0 thru a line with TS_standout_mode. */ | |
6548cf00 | 4365 | Down (tty) = 0; |
08a24c47 JB |
4366 | } |
4367 | ||
0a125897 | 4368 | tty->specified_window = FrameRows (tty); |
08a24c47 | 4369 | |
a104f656 | 4370 | if (Wcm_init (tty) == -1) /* Can't do cursor motion. */ |
3224dac1 | 4371 | { |
d31eee5e | 4372 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 4373 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 4374 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
4375 | It lacks the ability to position the cursor.\n\ |
4376 | If that is not the actual type of terminal you have,\n\ | |
4377 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
4378 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
4379 | # ifdef TERMINFO | |
4380 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 4381 | # else /* TERMCAP */ |
84164a0d | 4382 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 4383 | # endif /* TERMINFO */ |
3224dac1 | 4384 | terminal_type); |
fca177d4 | 4385 | } |
daf01701 | 4386 | |
0a125897 | 4387 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 4388 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
4389 | "Could not determine the frame size", |
4390 | "Could not determine the frame size"); | |
08a24c47 | 4391 | |
fca177d4 KL |
4392 | tty->delete_in_insert_mode |
4393 | = tty->TS_delete_mode && tty->TS_insert_mode | |
4394 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 4395 | |
0b0d3e0b | 4396 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 4397 | |
77e3b1b7 | 4398 | tty->scroll_region_ok |
6548cf00 | 4399 | = (tty->Wcm->cm_abs |
fca177d4 | 4400 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 4401 | |
77e3b1b7 | 4402 | tty->line_ins_del_ok |
fca177d4 KL |
4403 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
4404 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
77e3b1b7 | 4405 | || (tty->scroll_region_ok |
fca177d4 | 4406 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 4407 | |
77e3b1b7 | 4408 | tty->char_ins_del_ok |
fca177d4 KL |
4409 | = ((tty->TS_ins_char || tty->TS_insert_mode |
4410 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
4411 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 4412 | |
0b0d3e0b | 4413 | init_baud_rate (fileno (tty->input)); |
20a558dc | 4414 | |
84704c5c | 4415 | #endif /* not DOS_NT */ |
635e3b29 | 4416 | |
0a125897 KL |
4417 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
4418 | init_sys_modes (tty); | |
daf01701 | 4419 | |
6ed8eeff | 4420 | return terminal; |
08a24c47 JB |
4421 | } |
4422 | ||
b3ffc17c DN |
4423 | |
4424 | static void | |
4425 | vfatal (const char *str, va_list ap) | |
4426 | { | |
4427 | fprintf (stderr, "emacs: "); | |
4428 | vfprintf (stderr, str, ap); | |
4429 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
4430 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
4431 | fflush (stderr); |
4432 | exit (1); | |
4433 | } | |
4434 | ||
4435 | ||
a4c6993d | 4436 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 4437 | Delete TERMINAL, then call error or fatal with str1 or str2, |
653d4f43 | 4438 | respectively, according to whether MUST_SUCCEED is true. */ |
6b61353c | 4439 | |
3224dac1 | 4440 | static void |
653d4f43 | 4441 | maybe_fatal (bool must_succeed, struct terminal *terminal, |
b3ffc17c | 4442 | const char *str1, const char *str2, ...) |
3224dac1 | 4443 | { |
b3ffc17c DN |
4444 | va_list ap; |
4445 | va_start (ap, str2); | |
6ed8eeff KL |
4446 | if (terminal) |
4447 | delete_tty (terminal); | |
f4d953fc | 4448 | |
3224dac1 | 4449 | if (must_succeed) |
b3ffc17c | 4450 | vfatal (str2, ap); |
3224dac1 | 4451 | else |
b3ffc17c | 4452 | verror (str1, ap); |
08a24c47 JB |
4453 | } |
4454 | ||
dfcf069d | 4455 | void |
7c401d15 | 4456 | fatal (const char *str, ...) |
08a24c47 | 4457 | { |
7c401d15 DN |
4458 | va_list ap; |
4459 | va_start (ap, str); | |
b3ffc17c | 4460 | vfatal (str, ap); |
08a24c47 | 4461 | } |
07c57952 | 4462 | |
819b8f00 KL |
4463 | \f |
4464 | ||
6ed8eeff | 4465 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 4466 | |
ed8dad6b | 4467 | static void |
6ed8eeff | 4468 | delete_tty (struct terminal *terminal) |
072d84a6 | 4469 | { |
428a555e | 4470 | struct tty_display_info *tty; |
f4d953fc | 4471 | |
e2749141 | 4472 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 4473 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 4474 | if (!terminal->name) |
0a125897 | 4475 | return; |
fca177d4 | 4476 | |
9c253307 | 4477 | eassert (terminal->type == output_termcap); |
428a555e | 4478 | |
6ed8eeff | 4479 | tty = terminal->display_info.tty; |
f4d953fc | 4480 | |
fca177d4 KL |
4481 | if (tty == tty_list) |
4482 | tty_list = tty->next; | |
4483 | else | |
4484 | { | |
28d7d09f | 4485 | struct tty_display_info *p; |
fca177d4 KL |
4486 | for (p = tty_list; p && p->next != tty; p = p->next) |
4487 | ; | |
4488 | ||
4489 | if (! p) | |
4490 | /* This should not happen. */ | |
1088b922 | 4491 | emacs_abort (); |
fca177d4 | 4492 | |
0a125897 KL |
4493 | p->next = tty->next; |
4494 | tty->next = 0; | |
fca177d4 KL |
4495 | } |
4496 | ||
7e59217d | 4497 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 4498 | before delete_terminal. */ |
04c3243c | 4499 | reset_sys_modes (tty); |
fca177d4 | 4500 | |
6ed8eeff | 4501 | delete_terminal (terminal); |
3224dac1 | 4502 | |
70fdbb46 JM |
4503 | xfree (tty->name); |
4504 | xfree (tty->type); | |
daf01701 | 4505 | |
fca177d4 | 4506 | if (tty->input) |
819b8f00 KL |
4507 | { |
4508 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
4509 | if (tty->input != stdin) | |
4510 | fclose (tty->input); | |
4511 | } | |
4512 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
4513 | fclose (tty->output); |
4514 | if (tty->termscript) | |
4515 | fclose (tty->termscript); | |
daf01701 | 4516 | |
70fdbb46 JM |
4517 | xfree (tty->old_tty); |
4518 | xfree (tty->Wcm); | |
fca177d4 | 4519 | xfree (tty); |
fca177d4 KL |
4520 | } |
4521 | ||
dfcf069d | 4522 | void |
d3da34e0 | 4523 | syms_of_term (void) |
07c57952 | 4524 | { |
29208e82 | 4525 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 4526 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 4527 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4528 | #ifdef TERMINFO |
4529 | system_uses_terminfo = 1; | |
4530 | #else | |
4531 | system_uses_terminfo = 0; | |
4532 | #endif | |
c291d9ef | 4533 | |
29208e82 | 4534 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 4535 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 4536 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 4537 | See `suspend-tty'. */); |
e4019195 | 4538 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4539 | |
4540 | ||
29208e82 | 4541 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 4542 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 4543 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 4544 | See `resume-tty'. */); |
e4019195 | 4545 | Vresume_tty_functions = Qnil; |
a168702a | 4546 | |
29208e82 | 4547 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
4548 | doc: /* Non-nil means to make the cursor very visible. |
4549 | This only has an effect when running in a text terminal. | |
4550 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4551 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4552 | visible_cursor = 1; | |
4553 | ||
a168702a | 4554 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4555 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4556 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4557 | defsubr (&Stty_type); |
4558 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 4559 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
4560 | defsubr (&Ssuspend_tty); |
4561 | defsubr (&Sresume_tty); | |
7e5a23bd | 4562 | #ifdef HAVE_GPM |
6178ce5e SM |
4563 | defsubr (&Sgpm_mouse_start); |
4564 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 4565 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4566 | |
84704c5c | 4567 | #ifndef DOS_NT |
3a7c5d40 CY |
4568 | default_orig_pair = NULL; |
4569 | default_set_foreground = NULL; | |
4570 | default_set_background = NULL; | |
84704c5c | 4571 | #endif /* !DOS_NT */ |
d31eee5e CY |
4572 | |
4573 | encode_terminal_src = NULL; | |
4574 | encode_terminal_dst = NULL; | |
f0177f86 | 4575 | |
df782309 EZ |
4576 | DEFSYM (Qtty_menu_next_item, "tty-menu-next-item"); |
4577 | DEFSYM (Qtty_menu_prev_item, "tty-menu-prev-item"); | |
4578 | DEFSYM (Qtty_menu_next_menu, "tty-menu-next-menu"); | |
4579 | DEFSYM (Qtty_menu_prev_menu, "tty-menu-prev-menu"); | |
4580 | DEFSYM (Qtty_menu_select, "tty-menu-select"); | |
4581 | DEFSYM (Qtty_menu_ignore, "tty-menu-ignore"); | |
4582 | DEFSYM (Qtty_menu_exit, "tty-menu-exit"); | |
e648f699 | 4583 | DEFSYM (Qtty_menu_mouse_movement, "tty-menu-mouse-movement"); |
df782309 | 4584 | DEFSYM (Qtty_menu_navigation_map, "tty-menu-navigation-map"); |
07c57952 | 4585 | } |