Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
114f9c96 | 3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
8cabe764 | 4 | Free Software Foundation, Inc. |
08a24c47 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
08a24c47 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 20 | |
d284f58f | 21 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 22 | |
565620a5 | 23 | #include <config.h> |
08a24c47 JB |
24 | #include <stdio.h> |
25 | #include <ctype.h> | |
59b3194c | 26 | #include <errno.h> |
28d440ab | 27 | #include <sys/file.h> |
7eb1e453 | 28 | |
d8b18043 | 29 | #ifdef HAVE_UNISTD_H |
1ec5dc77 | 30 | #include <unistd.h> |
d8b18043 | 31 | #endif |
7ee72033 | 32 | |
03a1d6bd | 33 | #include <signal.h> |
7c401d15 | 34 | #include <stdarg.h> |
d7306fe6 | 35 | #include <setjmp.h> |
0c72d684 | 36 | |
9628b887 | 37 | #include "lisp.h" |
08a24c47 JB |
38 | #include "termchar.h" |
39 | #include "termopts.h" | |
9332ea03 KH |
40 | #include "buffer.h" |
41 | #include "character.h" | |
a4decb7f KH |
42 | #include "charset.h" |
43 | #include "coding.h" | |
4c12d738 | 44 | #include "composite.h" |
2538fae4 | 45 | #include "keyboard.h" |
ff11dfa1 | 46 | #include "frame.h" |
08a24c47 JB |
47 | #include "disptab.h" |
48 | #include "termhooks.h" | |
dfcf069d | 49 | #include "dispextern.h" |
a168702a | 50 | #include "window.h" |
8feddab4 | 51 | #include "keymap.h" |
1a935bfd | 52 | #include "blockinput.h" |
03a1d6bd KL |
53 | #include "syssignal.h" |
54 | #include "systty.h" | |
c9612b8e | 55 | #include "intervals.h" |
84704c5c EZ |
56 | #ifdef MSDOS |
57 | #include "msdos.h" | |
58 | static int been_here = -1; | |
59 | #endif | |
a168702a | 60 | |
ff23e1dd GM |
61 | /* For now, don't try to include termcap.h. On some systems, |
62 | configure finds a non-standard termcap.h that the main build | |
63 | won't find. */ | |
f57e2426 J |
64 | extern void tputs (const char *, int, int (*)(int)); |
65 | extern int tgetent (char *, const char *); | |
66 | extern int tgetflag (char *id); | |
67 | extern int tgetnum (char *id); | |
b0f61f15 | 68 | |
b932f8b1 DN |
69 | char *tparam (char *, char *, int, int, ...); |
70 | ||
71 | extern char *tgetstr (char *, char **); | |
72 | ||
eccec691 | 73 | #include "cm.h" |
dfcf069d AS |
74 | #ifdef HAVE_X_WINDOWS |
75 | #include "xterm.h" | |
76 | #endif | |
c8951b18 | 77 | |
28d440ab KL |
78 | #ifndef O_RDWR |
79 | #define O_RDWR 2 | |
80 | #endif | |
6b61353c | 81 | |
0c72d684 KL |
82 | #ifndef O_NOCTTY |
83 | #define O_NOCTTY 0 | |
84 | #endif | |
6b61353c | 85 | |
78048085 EZ |
86 | /* The name of the default console device. */ |
87 | #ifdef WINDOWSNT | |
88 | #define DEV_TTY "CONOUT$" | |
89 | #else | |
90 | #define DEV_TTY "/dev/tty" | |
91 | #endif | |
a168702a | 92 | |
f57e2426 J |
93 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
94 | static void turn_on_face (struct frame *, int face_id); | |
95 | static void turn_off_face (struct frame *, int face_id); | |
96 | static void tty_show_cursor (struct tty_display_info *); | |
97 | static void tty_hide_cursor (struct tty_display_info *); | |
98 | static void tty_background_highlight (struct tty_display_info *tty); | |
99 | static void clear_tty_hooks (struct terminal *terminal); | |
100 | static void set_tty_hooks (struct terminal *terminal); | |
101 | static void dissociate_if_controlling_tty (int fd); | |
102 | static void delete_tty (struct terminal *); | |
b3ffc17c DN |
103 | static void maybe_fatal (int must_succeed, struct terminal *terminal, |
104 | const char *str1, const char *str2, ...) NO_RETURN; | |
105 | static void vfatal (const char *str, va_list ap) NO_RETURN; | |
106 | ||
a168702a | 107 | |
6548cf00 KL |
108 | #define OUTPUT(tty, a) \ |
109 | emacs_tputs ((tty), a, \ | |
110 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
111 | - curY (tty)), \ | |
112 | cmputc) | |
113 | ||
28d440ab KL |
114 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
115 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 116 | |
28d440ab | 117 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
118 | do { \ |
119 | if (a) \ | |
120 | emacs_tputs ((tty), a, \ | |
121 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
122 | - curY (tty) ), \ | |
123 | cmputc); \ | |
124 | } while (0) | |
177c0ea7 | 125 | |
28d440ab | 126 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 127 | |
0db017c0 SM |
128 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
129 | ||
130 | static int visible_cursor; | |
131 | ||
f46c2aff | 132 | /* Display space properties */ |
08a24c47 | 133 | |
0b0d3e0b | 134 | /* Functions to call after suspending a tty. */ |
e4019195 | 135 | Lisp_Object Vsuspend_tty_functions; |
08a24c47 | 136 | |
0b0d3e0b | 137 | /* Functions to call after resuming a tty. */ |
e4019195 | 138 | Lisp_Object Vresume_tty_functions; |
08a24c47 | 139 | |
428a555e | 140 | /* Chain of all tty device parameters. */ |
28d7d09f | 141 | struct tty_display_info *tty_list; |
08a24c47 | 142 | |
fca177d4 KL |
143 | /* Nonzero means no need to redraw the entire frame on resuming a |
144 | suspended Emacs. This is useful on terminals with multiple | |
145 | pages, where one page is used for Emacs and another for all | |
146 | else. */ | |
08a24c47 | 147 | int no_redraw_on_reenter; |
4e6ba4a4 GM |
148 | |
149 | /* Meaning of bits in no_color_video. Each bit set means that the | |
150 | corresponding attribute cannot be combined with colors. */ | |
151 | ||
152 | enum no_color_bit | |
153 | { | |
154 | NC_STANDOUT = 1 << 0, | |
155 | NC_UNDERLINE = 1 << 1, | |
156 | NC_REVERSE = 1 << 2, | |
157 | NC_BLINK = 1 << 3, | |
158 | NC_DIM = 1 << 4, | |
159 | NC_BOLD = 1 << 5, | |
160 | NC_INVIS = 1 << 6, | |
161 | NC_PROTECT = 1 << 7, | |
162 | NC_ALT_CHARSET = 1 << 8 | |
163 | }; | |
164 | ||
08a24c47 JB |
165 | /* internal state */ |
166 | ||
8dd0c7cb | 167 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 168 | |
9882535b | 169 | int max_frame_cols; |
a168702a | 170 | |
8dd0c7cb | 171 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 172 | |
9882535b | 173 | int max_frame_lines; |
8dd0c7cb | 174 | |
0c72d684 KL |
175 | /* Non-zero if we have dropped our controlling tty and therefore |
176 | should not open a frame on stdout. */ | |
177 | static int no_controlling_tty; | |
08a24c47 | 178 | |
07c57952 | 179 | /* Provided for lisp packages. */ |
a168702a | 180 | |
07c57952 KH |
181 | static int system_uses_terminfo; |
182 | ||
08a24c47 | 183 | \f |
cb28b9c2 | 184 | |
7e5a23bd | 185 | #ifdef HAVE_GPM |
e882229c | 186 | #include <sys/fcntl.h> |
e882229c | 187 | |
71f44e7a SM |
188 | /* The device for which we have enabled gpm support (or NULL). */ |
189 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 190 | |
cf482c50 | 191 | /* Last recorded mouse coordinates. */ |
e882229c | 192 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 193 | #endif /* HAVE_GPM */ |
e882229c | 194 | |
da8e1115 | 195 | /* Ring the bell on a tty. */ |
c291d9ef | 196 | |
ed8dad6b | 197 | static void |
385ed61f | 198 | tty_ring_bell (struct frame *f) |
3224dac1 | 199 | { |
3224dac1 | 200 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 201 | |
b6660415 KL |
202 | if (tty->output) |
203 | { | |
204 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
205 | ? tty->TS_visible_bell | |
206 | : tty->TS_bell)); | |
207 | fflush (tty->output); | |
08a24c47 | 208 | } |
08a24c47 JB |
209 | } |
210 | ||
da8e1115 KL |
211 | /* Set up termcap modes for Emacs. */ |
212 | ||
dfcf069d | 213 | void |
6ed8eeff | 214 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 215 | { |
6ed8eeff | 216 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 217 | |
0b0d3e0b | 218 | if (tty->output) |
08a24c47 | 219 | { |
fbf34973 KL |
220 | if (tty->TS_termcap_modes) |
221 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 222 | else |
fbf34973 KL |
223 | { |
224 | /* Output enough newlines to scroll all the old screen contents | |
225 | off the screen, so it won't be overwritten and lost. */ | |
226 | int i; | |
a3c07f68 | 227 | current_tty = tty; |
fbf34973 | 228 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 229 | cmputc ('\n'); |
fbf34973 KL |
230 | } |
231 | ||
b58cb614 | 232 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
233 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
234 | losecursor (tty); | |
2f98e6e3 | 235 | fflush (tty->output); |
08a24c47 | 236 | } |
08a24c47 JB |
237 | } |
238 | ||
da8e1115 KL |
239 | /* Reset termcap modes before exiting Emacs. */ |
240 | ||
dfcf069d | 241 | void |
6ed8eeff | 242 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 243 | { |
6ed8eeff | 244 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
245 | |
246 | if (tty->output) | |
08a24c47 | 247 | { |
ed8dad6b KL |
248 | tty_turn_off_highlight (tty); |
249 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
250 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
251 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
252 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
253 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 254 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 255 | current_tty = tty; |
d284f58f | 256 | cmputc ('\r'); |
2f98e6e3 | 257 | fflush (tty->output); |
08a24c47 | 258 | } |
08a24c47 JB |
259 | } |
260 | ||
6ed8eeff | 261 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 262 | |
ed8dad6b | 263 | static void |
3224dac1 | 264 | tty_update_end (struct frame *f) |
08a24c47 | 265 | { |
3224dac1 | 266 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 267 | |
3224dac1 KL |
268 | if (!XWINDOW (selected_window)->cursor_off_p) |
269 | tty_show_cursor (tty); | |
ed8dad6b KL |
270 | tty_turn_off_insert (tty); |
271 | tty_background_highlight (tty); | |
08a24c47 JB |
272 | } |
273 | ||
da8e1115 KL |
274 | /* The implementation of set_terminal_window for termcap frames. */ |
275 | ||
ed8dad6b | 276 | static void |
385ed61f | 277 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 278 | { |
3224dac1 KL |
279 | struct tty_display_info *tty = FRAME_TTY (f); |
280 | ||
281 | tty->specified_window = size ? size : FRAME_LINES (f); | |
282 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 283 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
284 | } |
285 | ||
ed8dad6b KL |
286 | static void |
287 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
288 | { |
289 | char *buf; | |
28d7d09f | 290 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 291 | |
fca177d4 KL |
292 | if (tty->TS_set_scroll_region) |
293 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
294 | else if (tty->TS_set_scroll_region_1) | |
295 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
296 | FRAME_LINES (f), start, |
297 | FRAME_LINES (f) - stop, | |
298 | FRAME_LINES (f)); | |
08a24c47 | 299 | else |
fca177d4 | 300 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 301 | |
6548cf00 | 302 | OUTPUT (tty, buf); |
9ac0d9e0 | 303 | xfree (buf); |
6548cf00 | 304 | losecursor (tty); |
08a24c47 | 305 | } |
d284f58f | 306 | |
08a24c47 | 307 | \f |
d284f58f | 308 | static void |
ed8dad6b | 309 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 310 | { |
fca177d4 KL |
311 | if (!tty->insert_mode) |
312 | OUTPUT (tty, tty->TS_insert_mode); | |
313 | tty->insert_mode = 1; | |
08a24c47 JB |
314 | } |
315 | ||
dfcf069d | 316 | void |
ed8dad6b | 317 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 318 | { |
fca177d4 KL |
319 | if (tty->insert_mode) |
320 | OUTPUT (tty, tty->TS_end_insert_mode); | |
321 | tty->insert_mode = 0; | |
08a24c47 JB |
322 | } |
323 | \f | |
54800acb | 324 | /* Handle highlighting. */ |
08a24c47 | 325 | |
dfcf069d | 326 | void |
ed8dad6b | 327 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 328 | { |
fca177d4 KL |
329 | if (tty->standout_mode) |
330 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
331 | tty->standout_mode = 0; | |
08a24c47 JB |
332 | } |
333 | ||
d284f58f | 334 | static void |
ed8dad6b | 335 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 336 | { |
fca177d4 KL |
337 | if (!tty->standout_mode) |
338 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
339 | tty->standout_mode = 1; | |
08a24c47 JB |
340 | } |
341 | ||
86a7d192 | 342 | static void |
ed8dad6b | 343 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 344 | { |
fca177d4 | 345 | if (tty->standout_mode) |
ed8dad6b | 346 | tty_turn_off_highlight (tty); |
86a7d192 | 347 | else |
ed8dad6b | 348 | tty_turn_on_highlight (tty); |
86a7d192 GM |
349 | } |
350 | ||
a168702a GM |
351 | |
352 | /* Make cursor invisible. */ | |
353 | ||
354 | static void | |
28d7d09f | 355 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 356 | { |
fca177d4 | 357 | if (tty->cursor_hidden == 0) |
d284f58f | 358 | { |
fca177d4 KL |
359 | tty->cursor_hidden = 1; |
360 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 361 | } |
a168702a GM |
362 | } |
363 | ||
364 | ||
365 | /* Ensure that cursor is visible. */ | |
366 | ||
367 | static void | |
28d7d09f | 368 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 369 | { |
fca177d4 | 370 | if (tty->cursor_hidden) |
d284f58f | 371 | { |
fca177d4 KL |
372 | tty->cursor_hidden = 0; |
373 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 374 | if (visible_cursor) |
b58cb614 | 375 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 376 | } |
a168702a GM |
377 | } |
378 | ||
379 | ||
08a24c47 JB |
380 | /* Set standout mode to the state it should be in for |
381 | empty space inside windows. What this is, | |
382 | depends on the user option inverse-video. */ | |
383 | ||
ed8dad6b KL |
384 | static void |
385 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 386 | { |
08a24c47 | 387 | if (inverse_video) |
ed8dad6b | 388 | tty_turn_on_highlight (tty); |
08a24c47 | 389 | else |
ed8dad6b | 390 | tty_turn_off_highlight (tty); |
08a24c47 JB |
391 | } |
392 | ||
393 | /* Set standout mode to the mode specified for the text to be output. */ | |
394 | ||
dfcf069d | 395 | static void |
ed8dad6b | 396 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 397 | { |
8ede64a5 | 398 | if (inverse_video) |
ed8dad6b | 399 | tty_turn_on_highlight (tty); |
8ede64a5 | 400 | else |
ed8dad6b | 401 | tty_turn_off_highlight (tty); |
08a24c47 JB |
402 | } |
403 | \f | |
404 | ||
a168702a GM |
405 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
406 | frame-relative coordinates. */ | |
08a24c47 | 407 | |
ed8dad6b | 408 | static void |
385ed61f | 409 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 410 | { |
3224dac1 | 411 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 412 | |
36cae867 KH |
413 | /* Detect the case where we are called from reset_sys_modes |
414 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 415 | if (! tty->costs_set) |
36cae867 KH |
416 | return; |
417 | ||
6548cf00 KL |
418 | if (curY (tty) == vpos |
419 | && curX (tty) == hpos) | |
08a24c47 | 420 | return; |
fca177d4 | 421 | if (!tty->TF_standout_motion) |
ed8dad6b | 422 | tty_background_highlight (tty); |
fca177d4 | 423 | if (!tty->TF_insmode_motion) |
ed8dad6b | 424 | tty_turn_off_insert (tty); |
6548cf00 | 425 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
426 | } |
427 | ||
428 | /* Similar but don't take any account of the wasted characters. */ | |
429 | ||
ed8dad6b | 430 | static void |
385ed61f | 431 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 432 | { |
3224dac1 KL |
433 | struct tty_display_info *tty = FRAME_TTY (f); |
434 | ||
6548cf00 KL |
435 | if (curY (tty) == row |
436 | && curX (tty) == col) | |
08a24c47 | 437 | return; |
fca177d4 | 438 | if (!tty->TF_standout_motion) |
ed8dad6b | 439 | tty_background_highlight (tty); |
fca177d4 | 440 | if (!tty->TF_insmode_motion) |
ed8dad6b | 441 | tty_turn_off_insert (tty); |
6548cf00 | 442 | cmgoto (tty, row, col); |
08a24c47 JB |
443 | } |
444 | \f | |
445 | /* Erase operations */ | |
446 | ||
da8e1115 KL |
447 | /* Clear from cursor to end of frame on a termcap device. */ |
448 | ||
ed8dad6b | 449 | static void |
385ed61f | 450 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
451 | { |
452 | register int i; | |
3224dac1 | 453 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 454 | |
fca177d4 | 455 | if (tty->TS_clr_to_bottom) |
08a24c47 | 456 | { |
ed8dad6b | 457 | tty_background_highlight (tty); |
fca177d4 | 458 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
459 | } |
460 | else | |
461 | { | |
6548cf00 | 462 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 463 | { |
385ed61f KL |
464 | cursor_to (f, i, 0); |
465 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
466 | } |
467 | } | |
468 | } | |
469 | ||
da8e1115 | 470 | /* Clear an entire termcap frame. */ |
08a24c47 | 471 | |
ed8dad6b | 472 | static void |
385ed61f | 473 | tty_clear_frame (struct frame *f) |
08a24c47 | 474 | { |
3224dac1 | 475 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 476 | |
fca177d4 | 477 | if (tty->TS_clr_frame) |
08a24c47 | 478 | { |
ed8dad6b | 479 | tty_background_highlight (tty); |
fca177d4 | 480 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 481 | cmat (tty, 0, 0); |
08a24c47 JB |
482 | } |
483 | else | |
484 | { | |
385ed61f KL |
485 | cursor_to (f, 0, 0); |
486 | clear_to_end (f); | |
08a24c47 JB |
487 | } |
488 | } | |
489 | ||
da8e1115 | 490 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
491 | |
492 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
493 | ||
ed8dad6b | 494 | static void |
385ed61f | 495 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
496 | { |
497 | register int i; | |
3224dac1 | 498 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 499 | |
36cae867 KH |
500 | /* Detect the case where we are called from reset_sys_modes |
501 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 502 | if (! tty->costs_set) |
36cae867 KH |
503 | return; |
504 | ||
6548cf00 | 505 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 506 | return; |
ed8dad6b | 507 | tty_background_highlight (tty); |
fca177d4 | 508 | if (tty->TS_clr_line) |
08a24c47 | 509 | { |
fca177d4 | 510 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
511 | } |
512 | else | |
513 | { /* have to do it the hard way */ | |
ed8dad6b | 514 | tty_turn_off_insert (tty); |
08a24c47 | 515 | |
a168702a | 516 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 517 | if (AutoWrap (tty) |
0a125897 KL |
518 | && curY (tty) == FrameRows (tty) - 1 |
519 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
520 | first_unused_hpos--; |
521 | ||
6548cf00 | 522 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 523 | { |
0b0d3e0b KL |
524 | if (tty->termscript) |
525 | fputc (' ', tty->termscript); | |
526 | fputc (' ', tty->output); | |
08a24c47 | 527 | } |
6548cf00 | 528 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
529 | } |
530 | } | |
531 | \f | |
288d5132 KH |
532 | /* Buffers to store the source and result of code conversion for terminal. */ |
533 | static unsigned char *encode_terminal_src; | |
534 | static unsigned char *encode_terminal_dst; | |
535 | /* Allocated sizes of the above buffers. */ | |
536 | static int encode_terminal_src_size; | |
537 | static int encode_terminal_dst_size; | |
538 | ||
539 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
540 | Set CODING->produced to the byte-length of the resulting byte | |
541 | sequence, and return a pointer to that byte sequence. */ | |
542 | ||
543 | unsigned char * | |
d3da34e0 | 544 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 545 | { |
feef4f84 | 546 | struct glyph *src_end = src + src_len; |
288d5132 KH |
547 | unsigned char *buf; |
548 | int nchars, nbytes, required; | |
a4decb7f KH |
549 | register int tlen = GLYPH_TABLE_LENGTH; |
550 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 551 | Lisp_Object charset_list; |
c5a518df | 552 | |
288d5132 KH |
553 | /* Allocate sufficient size of buffer to store all characters in |
554 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
555 | Vglyph_table contains a string or a composite glyph is |
556 | encountered. */ | |
288d5132 KH |
557 | required = MAX_MULTIBYTE_LENGTH * src_len; |
558 | if (encode_terminal_src_size < required) | |
559 | { | |
d31eee5e | 560 | if (encode_terminal_src) |
288d5132 | 561 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
562 | else |
563 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
564 | encode_terminal_src_size = required; |
565 | } | |
6589fd67 | 566 | |
288d5132 | 567 | charset_list = coding_charset_list (coding); |
a4decb7f | 568 | |
288d5132 KH |
569 | buf = encode_terminal_src; |
570 | nchars = 0; | |
571 | while (src < src_end) | |
a4decb7f | 572 | { |
4c12d738 KH |
573 | if (src->type == COMPOSITE_GLYPH) |
574 | { | |
75a10786 KH |
575 | struct composition *cmp; |
576 | Lisp_Object gstring; | |
4c12d738 KH |
577 | int i; |
578 | ||
579 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
580 | if (src->u.cmp.automatic) |
581 | { | |
582 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
4be9765d | 583 | required = src->slice.cmp.to + 1 - src->slice.cmp.from; |
75a10786 KH |
584 | } |
585 | else | |
586 | { | |
587 | cmp = composition_table[src->u.cmp.id]; | |
588 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
589 | } | |
4c12d738 KH |
590 | |
591 | if (encode_terminal_src_size < nbytes + required) | |
592 | { | |
593 | encode_terminal_src_size = nbytes + required; | |
594 | encode_terminal_src = xrealloc (encode_terminal_src, | |
595 | encode_terminal_src_size); | |
596 | buf = encode_terminal_src + nbytes; | |
597 | } | |
598 | ||
75a10786 | 599 | if (src->u.cmp.automatic) |
4be9765d | 600 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
601 | { |
602 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
603 | int c = LGLYPH_CHAR (g); | |
604 | ||
605 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 606 | c = '?'; |
75a10786 KH |
607 | buf += CHAR_STRING (c, buf); |
608 | nchars++; | |
609 | } | |
610 | else | |
611 | for (i = 0; i < cmp->glyph_len; i++) | |
612 | { | |
613 | int c = COMPOSITION_GLYPH (cmp, i); | |
614 | ||
d0984aff KH |
615 | if (c == '\t') |
616 | continue; | |
617 | if (char_charset (c, charset_list, NULL)) | |
618 | { | |
619 | if (CHAR_WIDTH (c) == 0 | |
620 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
621 | /* Should be left-padded */ | |
622 | { | |
623 | buf += CHAR_STRING (' ', buf); | |
624 | nchars++; | |
625 | } | |
626 | } | |
627 | else | |
628 | c = '?'; | |
75a10786 KH |
629 | buf += CHAR_STRING (c, buf); |
630 | nchars++; | |
631 | } | |
4c12d738 | 632 | } |
a4decb7f | 633 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 634 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 635 | { |
f4d953fc | 636 | GLYPH g; |
288d5132 KH |
637 | int c; |
638 | Lisp_Object string; | |
639 | ||
4ae0a2c0 | 640 | string = Qnil; |
f4d953fc | 641 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 642 | |
f4d953fc | 643 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 644 | { |
f185a758 | 645 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
646 | c = src->u.ch; |
647 | } | |
32de38e4 | 648 | else |
a4decb7f | 649 | { |
32de38e4 | 650 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
651 | so process any alias before testing for simpleness. */ |
652 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
653 | |
654 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
655 | /* We set the multi-byte form of a character in G |
656 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 657 | c = GLYPH_CHAR (g); |
32de38e4 | 658 | else |
4ae0a2c0 | 659 | /* We have a string in Vglyph_table. */ |
f4d953fc | 660 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 661 | } |
177c0ea7 | 662 | |
4ae0a2c0 | 663 | if (NILP (string)) |
c42869c4 | 664 | { |
4c12d738 KH |
665 | nbytes = buf - encode_terminal_src; |
666 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
667 | { | |
668 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
669 | encode_terminal_src = xrealloc (encode_terminal_src, | |
670 | encode_terminal_src_size); | |
671 | buf = encode_terminal_src + nbytes; | |
672 | } | |
d419e1d9 KH |
673 | if (CHAR_BYTE8_P (c) |
674 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 675 | { |
288d5132 KH |
676 | /* Store the multibyte form of C at BUF. */ |
677 | buf += CHAR_STRING (c, buf); | |
678 | nchars++; | |
c5a518df KH |
679 | } |
680 | else | |
681 | { | |
288d5132 KH |
682 | /* C is not encodable. */ |
683 | *buf++ = '?'; | |
c5a518df | 684 | nchars++; |
288d5132 KH |
685 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
686 | { | |
687 | *buf++ = '?'; | |
688 | nchars++; | |
689 | src++; | |
690 | } | |
c5a518df | 691 | } |
4ae0a2c0 KH |
692 | } |
693 | else | |
694 | { | |
37254dc1 | 695 | unsigned char *p = SDATA (string); |
288d5132 KH |
696 | |
697 | if (! STRING_MULTIBYTE (string)) | |
698 | string = string_to_multibyte (string); | |
699 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 700 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 701 | { |
288d5132 KH |
702 | encode_terminal_src_size = nbytes + SBYTES (string); |
703 | encode_terminal_src = xrealloc (encode_terminal_src, | |
704 | encode_terminal_src_size); | |
705 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 706 | } |
72af86bd | 707 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
708 | buf += SBYTES (string); |
709 | nchars += SCHARS (string); | |
c42869c4 | 710 | } |
a4decb7f | 711 | } |
288d5132 KH |
712 | src++; |
713 | } | |
714 | ||
715 | if (nchars == 0) | |
716 | { | |
717 | coding->produced = 0; | |
718 | return NULL; | |
a4decb7f | 719 | } |
177c0ea7 | 720 | |
288d5132 KH |
721 | nbytes = buf - encode_terminal_src; |
722 | coding->source = encode_terminal_src; | |
723 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 724 | { |
288d5132 | 725 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
726 | if (encode_terminal_dst) |
727 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
728 | encode_terminal_dst_size); | |
729 | else | |
730 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 731 | } |
288d5132 KH |
732 | coding->destination = encode_terminal_dst; |
733 | coding->dst_bytes = encode_terminal_dst_size; | |
734 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 735 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
736 | encode_terminal_dst = coding->destination; |
737 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 738 | |
288d5132 | 739 | return (encode_terminal_dst); |
a4decb7f KH |
740 | } |
741 | ||
08a24c47 | 742 | |
c73bd236 | 743 | |
da8e1115 KL |
744 | /* An implementation of write_glyphs for termcap frames. */ |
745 | ||
ed8dad6b | 746 | static void |
385ed61f | 747 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 748 | { |
288d5132 KH |
749 | unsigned char *conversion_buffer; |
750 | struct coding_system *coding; | |
08a24c47 | 751 | |
3224dac1 | 752 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 753 | |
ed8dad6b | 754 | tty_turn_off_insert (tty); |
fca177d4 | 755 | tty_hide_cursor (tty); |
08a24c47 | 756 | |
a168702a | 757 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 758 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 759 | |
6548cf00 KL |
760 | if (AutoWrap (tty) |
761 | && curY (tty) + 1 == FRAME_LINES (f) | |
762 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 763 | len --; |
a4decb7f KH |
764 | if (len <= 0) |
765 | return; | |
08a24c47 | 766 | |
6548cf00 | 767 | cmplus (tty, len); |
177c0ea7 | 768 | |
af645abf KH |
769 | /* If terminal_coding does any conversion, use it, otherwise use |
770 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
771 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
772 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
773 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
774 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
775 | the tail. */ | |
af645abf | 776 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 777 | |
a4decb7f | 778 | while (len > 0) |
08a24c47 | 779 | { |
a168702a | 780 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 781 | int face_id = string->face_id; |
a168702a | 782 | int n; |
177c0ea7 | 783 | |
a168702a | 784 | for (n = 1; n < len; ++n) |
32de38e4 | 785 | if (string[n].face_id != face_id) |
a168702a GM |
786 | break; |
787 | ||
788 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 789 | tty_highlight_if_desired (tty); |
a168702a GM |
790 | turn_on_face (f, face_id); |
791 | ||
288d5132 KH |
792 | if (n == len) |
793 | /* This is the last run. */ | |
794 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
795 | conversion_buffer = encode_terminal_code (string, n, coding); | |
796 | if (coding->produced > 0) | |
08a24c47 | 797 | { |
1a935bfd | 798 | BLOCK_INPUT; |
fad2f685 KL |
799 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
800 | if (ferror (tty->output)) | |
801 | clearerr (tty->output); | |
802 | if (tty->termscript) | |
803 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 804 | UNBLOCK_INPUT; |
08a24c47 | 805 | } |
288d5132 KH |
806 | len -= n; |
807 | string += n; | |
a168702a GM |
808 | |
809 | /* Turn appearance modes off. */ | |
810 | turn_off_face (f, face_id); | |
ed8dad6b | 811 | tty_turn_off_highlight (tty); |
a4decb7f | 812 | } |
177c0ea7 | 813 | |
6548cf00 | 814 | cmcheckmagic (tty); |
08a24c47 JB |
815 | } |
816 | ||
b870aa61 SM |
817 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
818 | ||
7be1c21a | 819 | static void |
d3da34e0 JB |
820 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
821 | register int len, register int face_id) | |
e882229c | 822 | { |
e882229c NR |
823 | unsigned char *conversion_buffer; |
824 | struct coding_system *coding; | |
825 | ||
7be1c21a MB |
826 | struct tty_display_info *tty = FRAME_TTY (f); |
827 | ||
828 | tty_turn_off_insert (tty); | |
829 | tty_hide_cursor (tty); | |
e882229c NR |
830 | |
831 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
832 | since that would scroll the whole frame on some terminals. */ | |
833 | ||
7be1c21a MB |
834 | if (AutoWrap (tty) |
835 | && curY (tty) + 1 == FRAME_LINES (f) | |
836 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
837 | len --; |
838 | if (len <= 0) | |
839 | return; | |
840 | ||
7be1c21a | 841 | cmplus (tty, len); |
e882229c NR |
842 | |
843 | /* If terminal_coding does any conversion, use it, otherwise use | |
844 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
845 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
846 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
847 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
848 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
849 | the tail. */ | |
850 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
851 | ||
e882229c | 852 | /* Turn appearance modes of the face. */ |
7be1c21a | 853 | tty_highlight_if_desired (tty); |
e882229c NR |
854 | turn_on_face (f, face_id); |
855 | ||
856 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
857 | conversion_buffer = encode_terminal_code (string, len, coding); | |
858 | if (coding->produced > 0) | |
859 | { | |
860 | BLOCK_INPUT; | |
7be1c21a MB |
861 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
862 | if (ferror (tty->output)) | |
863 | clearerr (tty->output); | |
864 | if (tty->termscript) | |
865 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
866 | UNBLOCK_INPUT; |
867 | } | |
868 | ||
869 | /* Turn appearance modes off. */ | |
870 | turn_off_face (f, face_id); | |
7be1c21a | 871 | tty_turn_off_highlight (tty); |
e882229c | 872 | |
7be1c21a | 873 | cmcheckmagic (tty); |
e882229c | 874 | } |
b870aa61 | 875 | #endif |
e882229c | 876 | |
da8e1115 | 877 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 878 | |
ed8dad6b | 879 | static void |
385ed61f | 880 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
881 | { |
882 | char *buf; | |
6bbd7a29 | 883 | struct glyph *glyph = NULL; |
af645abf KH |
884 | unsigned char *conversion_buffer; |
885 | unsigned char space[1]; | |
886 | struct coding_system *coding; | |
08a24c47 | 887 | |
3224dac1 | 888 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 889 | |
fca177d4 | 890 | if (tty->TS_ins_multi_chars) |
08a24c47 | 891 | { |
fca177d4 | 892 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 893 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 894 | xfree (buf); |
08a24c47 | 895 | if (start) |
385ed61f | 896 | write_glyphs (f, start, len); |
08a24c47 JB |
897 | return; |
898 | } | |
899 | ||
ed8dad6b | 900 | tty_turn_on_insert (tty); |
6548cf00 | 901 | cmplus (tty, len); |
288d5132 KH |
902 | |
903 | if (! start) | |
904 | space[0] = SPACEGLYPH; | |
905 | ||
906 | /* If terminal_coding does any conversion, use it, otherwise use | |
907 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
908 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
909 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
910 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
911 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
912 | the tail. */ | |
913 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
914 | ||
07109bf9 | 915 | while (len-- > 0) |
08a24c47 | 916 | { |
fca177d4 | 917 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 918 | if (!start) |
32de38e4 | 919 | { |
288d5132 KH |
920 | conversion_buffer = space; |
921 | coding->produced = 1; | |
32de38e4 | 922 | } |
08a24c47 | 923 | else |
08a24c47 | 924 | { |
ed8dad6b | 925 | tty_highlight_if_desired (tty); |
32de38e4 | 926 | turn_on_face (f, start->face_id); |
816be8b8 | 927 | glyph = start; |
a168702a | 928 | ++start; |
a4decb7f KH |
929 | /* We must open sufficient space for a character which |
930 | occupies more than one column. */ | |
a168702a | 931 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 932 | { |
fca177d4 | 933 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
934 | start++, len--; |
935 | } | |
288d5132 KH |
936 | |
937 | if (len <= 0) | |
938 | /* This is the last glyph. */ | |
939 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
940 | ||
fad2f685 | 941 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 942 | } |
a4decb7f | 943 | |
288d5132 | 944 | if (coding->produced > 0) |
08a24c47 | 945 | { |
1a935bfd | 946 | BLOCK_INPUT; |
fad2f685 | 947 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
948 | if (ferror (tty->output)) |
949 | clearerr (tty->output); | |
950 | if (tty->termscript) | |
fad2f685 | 951 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 952 | UNBLOCK_INPUT; |
08a24c47 JB |
953 | } |
954 | ||
fca177d4 | 955 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 956 | if (start) |
65aa5e85 GM |
957 | { |
958 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 959 | tty_turn_off_highlight (tty); |
65aa5e85 | 960 | } |
9a6b6f92 | 961 | } |
177c0ea7 | 962 | |
6548cf00 | 963 | cmcheckmagic (tty); |
08a24c47 JB |
964 | } |
965 | ||
da8e1115 KL |
966 | /* An implementation of delete_glyphs for termcap frames. */ |
967 | ||
ed8dad6b | 968 | static void |
385ed61f | 969 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
970 | { |
971 | char *buf; | |
972 | register int i; | |
973 | ||
3224dac1 | 974 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 975 | |
fca177d4 | 976 | if (tty->delete_in_insert_mode) |
08a24c47 | 977 | { |
ed8dad6b | 978 | tty_turn_on_insert (tty); |
08a24c47 JB |
979 | } |
980 | else | |
981 | { | |
ed8dad6b | 982 | tty_turn_off_insert (tty); |
fca177d4 | 983 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
984 | } |
985 | ||
fca177d4 | 986 | if (tty->TS_del_multi_chars) |
08a24c47 | 987 | { |
fca177d4 | 988 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 989 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 990 | xfree (buf); |
08a24c47 JB |
991 | } |
992 | else | |
993 | for (i = 0; i < n; i++) | |
fca177d4 KL |
994 | OUTPUT1 (tty, tty->TS_del_char); |
995 | if (!tty->delete_in_insert_mode) | |
996 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
997 | } |
998 | \f | |
da8e1115 | 999 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 1000 | |
ed8dad6b | 1001 | static void |
385ed61f | 1002 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 1003 | { |
3224dac1 KL |
1004 | struct tty_display_info *tty = FRAME_TTY (f); |
1005 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1006 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1007 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1008 | |
1009 | register int i = n > 0 ? n : -n; | |
1010 | register char *buf; | |
1011 | ||
08a24c47 JB |
1012 | /* If the lines below the insertion are being pushed |
1013 | into the end of the window, this is the same as clearing; | |
1014 | and we know the lines are already clear, since the matching | |
1015 | deletion has already been done. So can ignore this. */ | |
1016 | /* If the lines below the deletion are blank lines coming | |
1017 | out of the end of the window, don't bother, | |
1018 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1019 | if (FRAME_SCROLL_REGION_OK (f) |
1020 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1021 | return; |
3224dac1 KL |
1022 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1023 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1024 | return; |
f4d953fc | 1025 | |
08a24c47 JB |
1026 | if (multi) |
1027 | { | |
6839f1e2 | 1028 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1029 | tty_background_highlight (tty); |
08a24c47 | 1030 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1031 | OUTPUT (tty, buf); |
9ac0d9e0 | 1032 | xfree (buf); |
08a24c47 JB |
1033 | } |
1034 | else if (single) | |
1035 | { | |
6839f1e2 | 1036 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1037 | tty_background_highlight (tty); |
08a24c47 | 1038 | while (--i >= 0) |
3224dac1 KL |
1039 | OUTPUT (tty, single); |
1040 | if (tty->TF_teleray) | |
1041 | curX (tty) = 0; | |
08a24c47 JB |
1042 | } |
1043 | else | |
1044 | { | |
ed8dad6b | 1045 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1046 | if (n < 0) |
6839f1e2 | 1047 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1048 | else |
6839f1e2 | 1049 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1050 | tty_background_highlight (tty); |
08a24c47 | 1051 | while (--i >= 0) |
3224dac1 | 1052 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1053 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1054 | } |
f4d953fc | 1055 | |
3224dac1 KL |
1056 | if (!FRAME_SCROLL_REGION_OK (f) |
1057 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1058 | && n < 0) | |
08a24c47 | 1059 | { |
385ed61f KL |
1060 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1061 | clear_to_end (f); | |
08a24c47 JB |
1062 | } |
1063 | } | |
1064 | \f | |
1065 | /* Compute cost of sending "str", in characters, | |
1066 | not counting any line-dependent padding. */ | |
1067 | ||
1068 | int | |
8ea90aa3 | 1069 | string_cost (const char *str) |
08a24c47 JB |
1070 | { |
1071 | cost = 0; | |
1072 | if (str) | |
1073 | tputs (str, 0, evalcost); | |
1074 | return cost; | |
1075 | } | |
1076 | ||
1077 | /* Compute cost of sending "str", in characters, | |
1078 | counting any line-dependent padding at one line. */ | |
1079 | ||
1080 | static int | |
8ea90aa3 | 1081 | string_cost_one_line (const char *str) |
08a24c47 JB |
1082 | { |
1083 | cost = 0; | |
1084 | if (str) | |
1085 | tputs (str, 1, evalcost); | |
1086 | return cost; | |
1087 | } | |
1088 | ||
1089 | /* Compute per line amount of line-dependent padding, | |
1090 | in tenths of characters. */ | |
1091 | ||
1092 | int | |
8ea90aa3 | 1093 | per_line_cost (const char *str) |
08a24c47 JB |
1094 | { |
1095 | cost = 0; | |
1096 | if (str) | |
1097 | tputs (str, 0, evalcost); | |
1098 | cost = - cost; | |
1099 | if (str) | |
1100 | tputs (str, 10, evalcost); | |
1101 | return cost; | |
1102 | } | |
1103 | ||
08a24c47 | 1104 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1105 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1106 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1107 | |
1108 | int *char_ins_del_vector; | |
1109 | ||
9882535b | 1110 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1111 | |
1112 | /* ARGSUSED */ | |
1113 | static void | |
6839f1e2 | 1114 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1115 | { |
28d7d09f | 1116 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1117 | int ins_startup_cost, del_startup_cost; |
1118 | int ins_cost_per_char, del_cost_per_char; | |
1119 | register int i; | |
1120 | register int *p; | |
1121 | ||
fca177d4 | 1122 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1123 | { |
1124 | ins_cost_per_char = 0; | |
fca177d4 | 1125 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1126 | } |
fca177d4 KL |
1127 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1128 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1129 | { |
fca177d4 KL |
1130 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1131 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1132 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1133 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1134 | } |
1135 | else | |
1136 | { | |
1137 | ins_startup_cost = 9999; | |
1138 | ins_cost_per_char = 0; | |
1139 | } | |
1140 | ||
fca177d4 | 1141 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1142 | { |
1143 | del_cost_per_char = 0; | |
fca177d4 | 1144 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1145 | } |
fca177d4 | 1146 | else if (tty->TS_del_char) |
08a24c47 | 1147 | { |
fca177d4 KL |
1148 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1149 | + string_cost (tty->TS_end_delete_mode)); | |
1150 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1151 | del_startup_cost /= 2; |
fca177d4 | 1152 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1153 | } |
1154 | else | |
1155 | { | |
1156 | del_startup_cost = 9999; | |
1157 | del_cost_per_char = 0; | |
1158 | } | |
1159 | ||
1160 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1161 | p = &char_ins_del_cost (f)[0]; |
1162 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1163 | *--p = (del_startup_cost += del_cost_per_char); |
1164 | ||
1165 | /* Doing nothing is free */ | |
fca177d4 | 1166 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1167 | *p++ = 0; |
1168 | ||
1169 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1170 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1171 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1172 | } | |
1173 | ||
dfcf069d | 1174 | void |
6839f1e2 | 1175 | calculate_costs (struct frame *frame) |
08a24c47 | 1176 | { |
9f732a77 | 1177 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1178 | |
28d440ab | 1179 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1180 | { |
1181 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1182 | register char *f = (tty->TS_set_scroll_region | |
1183 | ? tty->TS_set_scroll_region | |
1184 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1185 | |
daf01701 | 1186 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1187 | |
daf01701 | 1188 | tty->costs_set = 1; |
08a24c47 | 1189 | |
daf01701 KL |
1190 | /* These variables are only used for terminal stuff. They are |
1191 | allocated once for the terminal frame of X-windows emacs, but not | |
1192 | used afterwards. | |
8dd0c7cb | 1193 | |
daf01701 KL |
1194 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1195 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1196 | |
daf01701 KL |
1197 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1198 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1199 | |
daf01701 KL |
1200 | if (char_ins_del_vector != 0) |
1201 | char_ins_del_vector | |
1202 | = (int *) xrealloc (char_ins_del_vector, | |
1203 | (sizeof (int) | |
1204 | + 2 * max_frame_cols * sizeof (int))); | |
1205 | else | |
1206 | char_ins_del_vector | |
1207 | = (int *) xmalloc (sizeof (int) | |
1208 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1209 | |
72af86bd AS |
1210 | memset (char_ins_del_vector, 0, |
1211 | (sizeof (int) + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1212 | |
daf01701 KL |
1213 | |
1214 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1215 | do_line_insertion_deletion_costs (frame, | |
1216 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1217 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1218 | f, f, 1); | |
1219 | else | |
1220 | do_line_insertion_deletion_costs (frame, | |
1221 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1222 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1223 | 0, 0, 1); | |
1224 | ||
1225 | calculate_ins_del_char_costs (frame); | |
1226 | ||
1227 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1228 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1229 | tty->RPov = string_cost (tty->TS_repeat); | |
1230 | else | |
1231 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1232 | |
daf01701 KL |
1233 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1234 | } | |
08a24c47 JB |
1235 | } |
1236 | \f | |
a796ac82 JB |
1237 | struct fkey_table { |
1238 | char *cap, *name; | |
1239 | }; | |
1240 | ||
01d8deb0 ER |
1241 | /* Termcap capability names that correspond directly to X keysyms. |
1242 | Some of these (marked "terminfo") aren't supplied by old-style | |
1243 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1244 | except we put the keypad keys first, so that if they clash with | |
1245 | other keys (as on the IBM PC keyboard) they get overridden. | |
1246 | */ | |
1247 | ||
648801d1 | 1248 | static const struct fkey_table keys[] = |
a168702a | 1249 | { |
8103ad1a PJ |
1250 | {"kh", "home"}, /* termcap */ |
1251 | {"kl", "left"}, /* termcap */ | |
1252 | {"ku", "up"}, /* termcap */ | |
1253 | {"kr", "right"}, /* termcap */ | |
1254 | {"kd", "down"}, /* termcap */ | |
1255 | {"%8", "prior"}, /* terminfo */ | |
1256 | {"%5", "next"}, /* terminfo */ | |
1257 | {"@7", "end"}, /* terminfo */ | |
1258 | {"@1", "begin"}, /* terminfo */ | |
1259 | {"*6", "select"}, /* terminfo */ | |
1260 | {"%9", "print"}, /* terminfo */ | |
1261 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1262 | /* |
1263 | * "insert" --- see below | |
1264 | */ | |
8103ad1a PJ |
1265 | {"&8", "undo"}, /* terminfo */ |
1266 | {"%0", "redo"}, /* terminfo */ | |
1267 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1268 | {"@0", "find"}, /* terminfo */ | |
1269 | {"@2", "cancel"}, /* terminfo */ | |
1270 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1271 | /* |
1272 | * "break" goes here, but can't be reliably intercepted with termcap | |
1273 | */ | |
8103ad1a | 1274 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1275 | /* |
1276 | * "system" and "user" --- no termcaps | |
1277 | */ | |
8103ad1a PJ |
1278 | {"kE", "clearline"}, /* terminfo */ |
1279 | {"kA", "insertline"}, /* terminfo */ | |
1280 | {"kL", "deleteline"}, /* terminfo */ | |
1281 | {"kI", "insertchar"}, /* terminfo */ | |
1282 | {"kD", "deletechar"}, /* terminfo */ | |
1283 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1284 | /* |
1285 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1286 | */ | |
8103ad1a | 1287 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1288 | /* |
1289 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1290 | * "kp-multiply", "kp-add", "kp-separator", | |
1291 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1292 | * --- no termcaps for any of these. | |
1293 | */ | |
8103ad1a | 1294 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1295 | /* |
1296 | * "kp-2" --- no termcap | |
1297 | */ | |
8103ad1a | 1298 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1299 | /* |
1300 | * "kp-4" --- no termcap | |
1301 | */ | |
8103ad1a | 1302 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1303 | /* |
1304 | * "kp-6" --- no termcap | |
1305 | */ | |
8103ad1a | 1306 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1307 | /* |
1308 | * "kp-8" --- no termcap | |
1309 | */ | |
8103ad1a | 1310 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1311 | /* |
1312 | * "kp-equal" --- no termcap | |
1313 | */ | |
8103ad1a PJ |
1314 | {"k1", "f1"}, |
1315 | {"k2", "f2"}, | |
1316 | {"k3", "f3"}, | |
1317 | {"k4", "f4"}, | |
1318 | {"k5", "f5"}, | |
1319 | {"k6", "f6"}, | |
1320 | {"k7", "f7"}, | |
1321 | {"k8", "f8"}, | |
60ec7b7e DN |
1322 | {"k9", "f9"}, |
1323 | ||
1324 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1325 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1326 | {"*0", "S-find"}, /*shifted find key*/ | |
1327 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1328 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1329 | {"*7", "S-end"}, /*shifted end key*/ | |
1330 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1331 | {"#1", "S-help"}, /*shifted help key*/ | |
1332 | {"#2", "S-home"}, /*shifted home key*/ | |
1333 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1334 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1335 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1336 | {"%c", "S-next"}, /*shifted next key*/ | |
1337 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1338 | {"%f", "S-print"}, /*shifted print key*/ | |
1339 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1340 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1341 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1342 | }; |
1343 | ||
361358ea | 1344 | #ifndef DOS_NT |
e7cf0fa0 KL |
1345 | static char **term_get_fkeys_address; |
1346 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1347 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1348 | |
4f4a84ec | 1349 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1350 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1351 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1352 | |
ed8dad6b | 1353 | static void |
d3da34e0 | 1354 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1355 | { |
1356 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1357 | errors during the call. The only errors should be from Fdefine_key | |
1358 | when given a key sequence containing an invalid prefix key. If the | |
1359 | termcap defines function keys which use a prefix that is already bound | |
1360 | to a command by the default bindings, we should silently ignore that | |
1361 | function key specification, rather than giving the user an error and | |
1362 | refusing to run at all on such a terminal. */ | |
1363 | ||
e7cf0fa0 KL |
1364 | term_get_fkeys_address = address; |
1365 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1366 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1367 | } | |
1368 | ||
1369 | static Lisp_Object | |
d3da34e0 | 1370 | term_get_fkeys_1 (void) |
5c2c7893 | 1371 | { |
5c2c7893 JB |
1372 | int i; |
1373 | ||
e7cf0fa0 KL |
1374 | char **address = term_get_fkeys_address; |
1375 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1376 | |
3e65092f | 1377 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1378 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1379 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1380 | |
5c2c7893 JB |
1381 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1382 | { | |
1383 | char *sequence = tgetstr (keys[i].cap, address); | |
1384 | if (sequence) | |
4f4a84ec | 1385 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1386 | Fmake_vector (make_number (1), |
1387 | intern (keys[i].name))); | |
5c2c7893 | 1388 | } |
a796ac82 JB |
1389 | |
1390 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1391 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1392 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1393 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1394 | */ | |
1395 | { | |
1396 | char *k_semi = tgetstr ("k;", address); | |
1397 | char *k0 = tgetstr ("k0", address); | |
1398 | char *k0_name = "f10"; | |
1399 | ||
1400 | if (k_semi) | |
1401 | { | |
95c11956 SM |
1402 | if (k0) |
1403 | /* Define f0 first, so that f10 takes precedence in case the | |
1404 | key sequences happens to be the same. */ | |
4f4a84ec | 1405 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1406 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1407 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1408 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1409 | } |
95c11956 | 1410 | else if (k0) |
4f4a84ec | 1411 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1412 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1413 | } |
01d8deb0 ER |
1414 | |
1415 | /* Set up cookies for numbered function keys above f10. */ | |
1416 | { | |
1417 | char fcap[3], fkey[4]; | |
1418 | ||
fc4f24da | 1419 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1420 | for (i = 11; i < 64; i++) |
1421 | { | |
1422 | if (i <= 19) | |
1423 | fcap[1] = '1' + i - 11; | |
1424 | else if (i <= 45) | |
b59ab95c | 1425 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1426 | else |
b59ab95c | 1427 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1428 | |
fc4f24da RS |
1429 | { |
1430 | char *sequence = tgetstr (fcap, address); | |
1431 | if (sequence) | |
1432 | { | |
465db27b | 1433 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1434 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1435 | Fmake_vector (make_number (1), |
1436 | intern (fkey))); | |
fc4f24da RS |
1437 | } |
1438 | } | |
01d8deb0 ER |
1439 | } |
1440 | } | |
1441 | ||
1442 | /* | |
1443 | * Various mappings to try and get a better fit. | |
1444 | */ | |
1445 | { | |
fc4f24da RS |
1446 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1447 | if (!tgetstr (cap1, address)) \ | |
1448 | { \ | |
1449 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1450 | if (sequence) \ |
4f4a84ec | 1451 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1452 | Fmake_vector (make_number (1), \ |
1453 | intern (sym))); \ | |
fc4f24da | 1454 | } |
177c0ea7 | 1455 | |
01d8deb0 | 1456 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1457 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1458 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1459 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1460 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1461 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1462 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1463 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1464 | |
1465 | /* IBM has their own non-standard dialect of terminfo. | |
1466 | If the standard name isn't found, try the IBM name. */ | |
1467 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1468 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1469 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1470 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1471 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1472 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1473 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1474 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1475 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1476 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1477 | } |
a168702a GM |
1478 | |
1479 | return Qnil; | |
5c2c7893 | 1480 | } |
361358ea | 1481 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1482 | |
1483 | \f | |
a168702a GM |
1484 | /*********************************************************************** |
1485 | Character Display Information | |
1486 | ***********************************************************************/ | |
f57e2426 J |
1487 | static void append_glyph (struct it *); |
1488 | static void produce_stretch_glyph (struct it *); | |
1489 | static void append_composite_glyph (struct it *); | |
1490 | static void produce_composite_glyph (struct it *); | |
b18fad6d KH |
1491 | static void append_glyphless_glyph (struct it *, int, char *); |
1492 | static void produce_glyphless_glyph (struct it *, int, Lisp_Object); | |
a168702a GM |
1493 | |
1494 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1495 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1496 | the character for which to produce glyphs; IT->face_id contains the | |
1497 | character's face. Padding glyphs are appended if IT->c has a | |
1498 | IT->pixel_width > 1. */ | |
177c0ea7 | 1499 | |
a168702a | 1500 | static void |
d3da34e0 | 1501 | append_glyph (struct it *it) |
a168702a GM |
1502 | { |
1503 | struct glyph *glyph, *end; | |
1504 | int i; | |
1505 | ||
1506 | xassert (it->glyph_row); | |
1507 | glyph = (it->glyph_row->glyphs[it->area] | |
1508 | + it->glyph_row->used[it->area]); | |
1509 | end = it->glyph_row->glyphs[1 + it->area]; | |
1510 | ||
5e65aec0 EZ |
1511 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1512 | than append it. */ | |
1513 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1514 | { | |
1515 | struct glyph *g; | |
1516 | int move_by = it->pixel_width; | |
1517 | ||
1518 | /* Make room for the new glyphs. */ | |
1519 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1520 | move_by = end - glyph; | |
1521 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1522 | g[move_by] = *g; | |
1523 | glyph = it->glyph_row->glyphs[it->area]; | |
1524 | end = glyph + move_by; | |
1525 | } | |
1526 | ||
1527 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1528 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1529 | identical, and (b) the PADDING_P flag needs to be set for the | |
1530 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1531 | for (i = 0; |
1532 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1533 | ++i) |
1534 | { | |
1535 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1536 | glyph->pixel_width = 1; |
d2b4c17d | 1537 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1538 | glyph->face_id = it->face_id; |
1539 | glyph->padding_p = i > 0; | |
a168702a GM |
1540 | glyph->charpos = CHARPOS (it->position); |
1541 | glyph->object = it->object; | |
5e65aec0 EZ |
1542 | if (it->bidi_p) |
1543 | { | |
1544 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1545 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1546 | abort (); | |
5e65aec0 EZ |
1547 | glyph->bidi_type = it->bidi_it.type; |
1548 | } | |
9443b3c7 EZ |
1549 | else |
1550 | { | |
1551 | glyph->resolved_level = 0; | |
1552 | glyph->bidi_type = UNKNOWN_BT; | |
1553 | } | |
177c0ea7 | 1554 | |
a168702a GM |
1555 | ++it->glyph_row->used[it->area]; |
1556 | ++glyph; | |
1557 | } | |
1558 | } | |
1559 | ||
b50fe468 RS |
1560 | /* Produce glyphs for the display element described by IT. *IT |
1561 | specifies what we want to produce a glyph for (character, image, ...), | |
1562 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1563 | produce_glyphs fills in output fields of *IT with information such as the | |
1564 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1565 | the same time if IT->glyph_row is non-null. For an overview, see |
1566 | the explanation in dispextern.h, before the definition of the | |
1567 | display_element_type enumeration. | |
b50fe468 RS |
1568 | |
1569 | produce_glyphs also stores the result of glyph width, ascent | |
1570 | etc. computations in *IT. | |
1571 | ||
1572 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1573 | actually fill in the glyphs. This is used in the move_* functions | |
1574 | in xdisp.c for text width and height computations. | |
1575 | ||
1576 | Callers usually don't call produce_glyphs directly; | |
1577 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1578 | |
177c0ea7 | 1579 | void |
d3da34e0 | 1580 | produce_glyphs (struct it *it) |
a168702a GM |
1581 | { |
1582 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1583 | |
1584 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1585 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1586 | || it->what == IT_COMPOSITION |
a168702a | 1587 | || it->what == IT_STRETCH); |
177c0ea7 | 1588 | |
6b61353c KH |
1589 | if (it->what == IT_STRETCH) |
1590 | { | |
1591 | produce_stretch_glyph (it); | |
1592 | goto done; | |
1593 | } | |
1594 | ||
4c12d738 KH |
1595 | if (it->what == IT_COMPOSITION) |
1596 | { | |
1597 | produce_composite_glyph (it); | |
1598 | goto done; | |
1599 | } | |
a168702a | 1600 | |
b18fad6d KH |
1601 | if (it->what == IT_GLYPHLESS) |
1602 | { | |
1603 | produce_glyphless_glyph (it, 0, Qnil); | |
1604 | goto done; | |
1605 | } | |
1606 | ||
d419e1d9 | 1607 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1608 | { |
1609 | it->pixel_width = it->nglyphs = 1; | |
1610 | if (it->glyph_row) | |
1611 | append_glyph (it); | |
1612 | } | |
d419e1d9 | 1613 | else if (it->char_to_display == '\n') |
a168702a | 1614 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1615 | else if (it->char_to_display == '\t') |
a168702a | 1616 | { |
2efdbcdd | 1617 | int absolute_x = (it->current_x |
a168702a | 1618 | + it->continuation_lines_width); |
177c0ea7 JB |
1619 | int next_tab_x |
1620 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1621 | / it->tab_width) |
1622 | * it->tab_width); | |
1623 | int nspaces; | |
1624 | ||
1625 | /* If part of the TAB has been displayed on the previous line | |
1626 | which is continued now, continuation_lines_width will have | |
1627 | been incremented already by the part that fitted on the | |
1628 | continued line. So, we will get the right number of spaces | |
1629 | here. */ | |
1630 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1631 | |
a168702a GM |
1632 | if (it->glyph_row) |
1633 | { | |
1634 | int n = nspaces; | |
177c0ea7 | 1635 | |
d2b4c17d | 1636 | it->char_to_display = ' '; |
a168702a | 1637 | it->pixel_width = it->len = 1; |
177c0ea7 | 1638 | |
a168702a GM |
1639 | while (n--) |
1640 | append_glyph (it); | |
a168702a GM |
1641 | } |
1642 | ||
1643 | it->pixel_width = nspaces; | |
1644 | it->nglyphs = nspaces; | |
1645 | } | |
d419e1d9 | 1646 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1647 | { |
d419e1d9 KH |
1648 | /* Coming here means that we must send the raw 8-bit byte as is |
1649 | to the terminal. Although there's no way to know how many | |
1650 | columns it occupies on a screen, it is a good assumption that | |
1651 | a single byte code has 1-column width. */ | |
1652 | it->pixel_width = it->nglyphs = 1; | |
1653 | if (it->glyph_row) | |
1654 | append_glyph (it); | |
add44890 | 1655 | } |
a168702a GM |
1656 | else |
1657 | { | |
b18fad6d | 1658 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1659 | |
b18fad6d KH |
1660 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1661 | { | |
1662 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1663 | it->nglyphs = it->pixel_width; | |
1664 | if (it->glyph_row) | |
1665 | append_glyph (it); | |
1666 | } | |
1667 | else | |
1668 | { | |
1669 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1670 | ||
1671 | xassert (it->what == IT_GLYPHLESS); | |
1672 | produce_glyphless_glyph (it, 1, acronym); | |
1673 | } | |
a168702a GM |
1674 | } |
1675 | ||
6b61353c | 1676 | done: |
177c0ea7 | 1677 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1678 | the caller. */ |
1679 | if (it->area == TEXT_AREA) | |
1680 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1681 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1682 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1683 | } |
1684 | ||
1685 | ||
6b61353c KH |
1686 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1687 | of the glyph property displayed. The value must be a list | |
1688 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1689 | being recognized: | |
1690 | ||
1691 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1692 | canonical char width wide. WIDTH may be an integer or floating | |
1693 | point number. | |
1694 | ||
1695 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1696 | to reach HPOS, a value in canonical character units. */ | |
1697 | ||
1698 | static void | |
d3da34e0 | 1699 | produce_stretch_glyph (struct it *it) |
6b61353c KH |
1700 | { |
1701 | /* (space :width WIDTH ...) */ | |
1702 | Lisp_Object prop, plist; | |
1703 | int width = 0, align_to = -1; | |
1704 | int zero_width_ok_p = 0; | |
1705 | double tem; | |
1706 | ||
1707 | /* List should start with `space'. */ | |
1708 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1709 | plist = XCDR (it->object); | |
1710 | ||
1711 | /* Compute the width of the stretch. */ | |
1712 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1713 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1714 | { | |
1715 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1716 | zero_width_ok_p = 1; | |
1717 | width = (int)(tem + 0.5); | |
1718 | } | |
1719 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1720 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1721 | { | |
1722 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1723 | align_to = (align_to < 0 |
6b61353c KH |
1724 | ? 0 |
1725 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1726 | else if (align_to < 0) | |
1727 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1728 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1729 | zero_width_ok_p = 1; | |
1730 | } | |
1731 | else | |
1732 | /* Nothing specified -> width defaults to canonical char width. */ | |
1733 | width = FRAME_COLUMN_WIDTH (it->f); | |
1734 | ||
1735 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1736 | width = 1; | |
1737 | ||
d5221487 CY |
1738 | if (width > 0 && it->line_wrap != TRUNCATE |
1739 | && it->current_x + width > it->last_visible_x) | |
1740 | width = it->last_visible_x - it->current_x - 1; | |
1741 | ||
6b61353c KH |
1742 | if (width > 0 && it->glyph_row) |
1743 | { | |
1744 | Lisp_Object o_object = it->object; | |
1745 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1746 | int n = width; | |
6b61353c KH |
1747 | |
1748 | if (!STRINGP (object)) | |
1749 | object = it->w->buffer; | |
1750 | it->object = object; | |
d2b4c17d | 1751 | it->char_to_display = ' '; |
6b61353c KH |
1752 | it->pixel_width = it->len = 1; |
1753 | while (n--) | |
1754 | append_glyph (it); | |
1755 | it->object = o_object; | |
6b61353c KH |
1756 | } |
1757 | it->pixel_width = width; | |
1758 | it->nglyphs = width; | |
1759 | } | |
1760 | ||
1761 | ||
4c12d738 KH |
1762 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1763 | Called from produce_composite_glyph for terminal frames if | |
1764 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1765 | face. */ | |
1766 | ||
1767 | static void | |
d3da34e0 | 1768 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1769 | { |
1770 | struct glyph *glyph; | |
1771 | ||
1772 | xassert (it->glyph_row); | |
1773 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1774 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1775 | { | |
93d68d0c EZ |
1776 | /* If the glyph row is reversed, we need to prepend the glyph |
1777 | rather than append it. */ | |
1778 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1779 | { | |
1780 | struct glyph *g; | |
1781 | ||
1782 | /* Make room for the new glyph. */ | |
1783 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1784 | g[1] = *g; | |
1785 | glyph = it->glyph_row->glyphs[it->area]; | |
1786 | } | |
4c12d738 KH |
1787 | glyph->type = COMPOSITE_GLYPH; |
1788 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1789 | glyph->u.cmp.id = it->cmp_it.id; |
1790 | if (it->cmp_it.ch < 0) | |
1791 | { | |
1792 | glyph->u.cmp.automatic = 0; | |
1793 | glyph->u.cmp.id = it->cmp_it.id; | |
1794 | } | |
1795 | else | |
1796 | { | |
1797 | glyph->u.cmp.automatic = 1; | |
1798 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1799 | glyph->slice.cmp.from = it->cmp_it.from; |
1800 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1801 | } |
1802 | ||
4c12d738 KH |
1803 | glyph->face_id = it->face_id; |
1804 | glyph->padding_p = 0; | |
1805 | glyph->charpos = CHARPOS (it->position); | |
1806 | glyph->object = it->object; | |
93d68d0c EZ |
1807 | if (it->bidi_p) |
1808 | { | |
1809 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1810 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1811 | abort (); | |
1812 | glyph->bidi_type = it->bidi_it.type; | |
1813 | } | |
1814 | else | |
1815 | { | |
1816 | glyph->resolved_level = 0; | |
1817 | glyph->bidi_type = UNKNOWN_BT; | |
1818 | } | |
4c12d738 KH |
1819 | |
1820 | ++it->glyph_row->used[it->area]; | |
1821 | ++glyph; | |
1822 | } | |
1823 | } | |
1824 | ||
1825 | ||
1826 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1827 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1828 | assuming that the terminal has a capability to layout/render it |
1829 | correctly. */ | |
4c12d738 KH |
1830 | |
1831 | static void | |
d3da34e0 | 1832 | produce_composite_glyph (struct it *it) |
4c12d738 | 1833 | { |
75a10786 KH |
1834 | if (it->cmp_it.ch < 0) |
1835 | { | |
1836 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1837 | ||
d0984aff | 1838 | it->pixel_width = cmp->width; |
75a10786 KH |
1839 | } |
1840 | else | |
1841 | { | |
1842 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1843 | |
75a10786 KH |
1844 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1845 | it->cmp_it.to, NULL); | |
1846 | } | |
1847 | it->nglyphs = 1; | |
4c12d738 KH |
1848 | if (it->glyph_row) |
1849 | append_composite_glyph (it); | |
1850 | } | |
1851 | ||
1852 | ||
b18fad6d | 1853 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1854 | is a face ID to be used for the glyph. What is actually appended |
1855 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1856 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1857 | |
1858 | static void | |
1859 | append_glyphless_glyph (struct it *it, int face_id, char *str) | |
1860 | { | |
1861 | struct glyph *glyph, *end; | |
b18fad6d KH |
1862 | int i; |
1863 | ||
1864 | xassert (it->glyph_row); | |
1865 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1866 | end = it->glyph_row->glyphs[1 + it->area]; | |
1867 | ||
1868 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1869 | than append it. */ | |
1870 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1871 | { | |
1872 | struct glyph *g; | |
1873 | int move_by = it->pixel_width; | |
1874 | ||
1875 | /* Make room for the new glyphs. */ | |
1876 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1877 | move_by = end - glyph; | |
1878 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1879 | g[move_by] = *g; | |
1880 | glyph = it->glyph_row->glyphs[it->area]; | |
1881 | end = glyph + move_by; | |
1882 | } | |
1883 | ||
1884 | if (glyph >= end) | |
1885 | return; | |
1886 | glyph->type = CHAR_GLYPH; | |
1887 | glyph->pixel_width = 1; | |
1888 | glyph->face_id = face_id; | |
1889 | glyph->padding_p = 0; | |
1890 | glyph->charpos = CHARPOS (it->position); | |
1891 | glyph->object = it->object; | |
1892 | if (it->bidi_p) | |
1893 | { | |
1894 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1895 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1896 | abort (); | |
1897 | glyph->bidi_type = it->bidi_it.type; | |
1898 | } | |
1899 | else | |
1900 | { | |
1901 | glyph->resolved_level = 0; | |
1902 | glyph->bidi_type = UNKNOWN_BT; | |
1903 | } | |
1904 | ||
1905 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1906 | the REVERSED_P case because we write to the terminal | |
1907 | left-to-right. */ | |
1908 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1909 | { | |
1910 | if (i > 0) | |
1911 | glyph[0] = glyph[-1]; | |
1912 | glyph->u.ch = str[i]; | |
1913 | ++it->glyph_row->used[it->area]; | |
1914 | ++glyph; | |
1915 | } | |
1916 | } | |
1917 | ||
b18fad6d KH |
1918 | /* Produce glyphs for a glyphless character for iterator IT. |
1919 | IT->glyphless_method specifies which method to use for displaying | |
1920 | the character. See the description of enum | |
0eb025fb | 1921 | glyphless_display_method in dispextern.h for the details. |
b18fad6d KH |
1922 | |
1923 | FOR_NO_FONT is nonzero if and only if this is for a character that | |
1924 | is not supproted by the coding system of the terminal. ACRONYM, if | |
1925 | non-nil, is an acronym string for the character. | |
1926 | ||
1927 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1928 | ||
1929 | static void | |
1930 | produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym) | |
1931 | { | |
1932 | int face_id; | |
0eb025fb | 1933 | int len; |
7c2d713b | 1934 | char buf[9], *str = " "; |
b18fad6d KH |
1935 | |
1936 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1937 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1938 | if (it->f == last_glyphless_glyph_frame |
1939 | && it->face_id == last_glyphless_glyph_face_id) | |
1940 | { | |
1941 | face_id = last_glyphless_glyph_merged_face_id; | |
1942 | } | |
1943 | else | |
1944 | { | |
1945 | /* Merge the `glyphless-char' face into the current face. */ | |
1946 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1947 | last_glyphless_glyph_frame = it->f; | |
1948 | last_glyphless_glyph_face_id = it->face_id; | |
1949 | last_glyphless_glyph_merged_face_id = face_id; | |
1950 | } | |
1951 | ||
1952 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1953 | { | |
0eb025fb EZ |
1954 | /* As there's no way to produce a thin space, we produce a space |
1955 | of canonical width. */ | |
b18fad6d KH |
1956 | len = 1; |
1957 | } | |
1958 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1959 | { | |
1960 | len = CHAR_WIDTH (it->c); | |
1961 | if (len == 0) | |
1962 | len = 1; | |
0eb025fb | 1963 | else if (len > 4) |
b18fad6d | 1964 | len = 4; |
0eb025fb EZ |
1965 | sprintf (buf, "[%.*s]", len, str); |
1966 | len += 2; | |
1967 | str = buf; | |
b18fad6d KH |
1968 | } |
1969 | else | |
1970 | { | |
1971 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1972 | { | |
b18fad6d KH |
1973 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1974 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
1975 | buf[0] = '['; | |
1976 | str = STRINGP (acronym) ? (char *) SDATA (acronym) : ""; | |
1977 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) | |
1978 | buf[1 + len] = str[len]; | |
1979 | buf[1 + len] = ']'; | |
1980 | len += 2; | |
1981 | } | |
1982 | else | |
1983 | { | |
0eb025fb | 1984 | xassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1985 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1986 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1987 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1988 | } |
1989 | str = buf; | |
1990 | } | |
1991 | ||
1992 | it->pixel_width = len; | |
1993 | it->nglyphs = len; | |
1994 | if (len > 0 && it->glyph_row) | |
1995 | append_glyphless_glyph (it, face_id, str); | |
1996 | } | |
1997 | ||
1998 | ||
a168702a GM |
1999 | /* Get information about special display element WHAT in an |
2000 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
2001 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
2002 | non-null glyph_row member. This function ensures that fields like | |
2003 | face_id, c, len of IT are left untouched. */ | |
2004 | ||
2005 | void | |
d3da34e0 | 2006 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
2007 | { |
2008 | struct it temp_it; | |
f4d953fc | 2009 | Lisp_Object gc; |
072d84a6 | 2010 | GLYPH glyph; |
177c0ea7 | 2011 | |
a168702a GM |
2012 | temp_it = *it; |
2013 | temp_it.dp = NULL; | |
2014 | temp_it.what = IT_CHARACTER; | |
2015 | temp_it.len = 1; | |
7c752c80 | 2016 | temp_it.object = make_number (0); |
72af86bd | 2017 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
2018 | |
2019 | if (what == IT_CONTINUATION) | |
2020 | { | |
26cdf528 EZ |
2021 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
2022 | if (it->bidi_it.paragraph_dir == R2L) | |
2023 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
2024 | else | |
2025 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 2026 | if (it->dp |
f4d953fc KS |
2027 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2028 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2029 | { |
26cdf528 | 2030 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2031 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2032 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2033 | } |
a168702a GM |
2034 | } |
2035 | else if (what == IT_TRUNCATION) | |
2036 | { | |
2037 | /* Truncation glyph. */ | |
f4d953fc | 2038 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 2039 | if (it->dp |
f4d953fc KS |
2040 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
2041 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 2042 | { |
26cdf528 | 2043 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
2044 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
2045 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 2046 | } |
a168702a GM |
2047 | } |
2048 | else | |
2049 | abort (); | |
072d84a6 | 2050 | |
d419e1d9 | 2051 | temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph); |
f4d953fc | 2052 | temp_it.face_id = GLYPH_FACE (glyph); |
072d84a6 RS |
2053 | temp_it.len = CHAR_BYTES (temp_it.c); |
2054 | ||
2055 | produce_glyphs (&temp_it); | |
2056 | it->pixel_width = temp_it.pixel_width; | |
2057 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
2058 | } |
2059 | ||
2060 | ||
a168702a GM |
2061 | \f |
2062 | /*********************************************************************** | |
2063 | Faces | |
2064 | ***********************************************************************/ | |
2065 | ||
4e6ba4a4 GM |
2066 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2067 | one of the enumerators from enum no_color_bit, or a bit set built | |
2068 | from them. Some display attributes may not be used together with | |
2069 | color; the termcap capability `NC' specifies which ones. */ | |
2070 | ||
fca177d4 KL |
2071 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
2072 | (tty->TN_max_colors > 0 \ | |
2073 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
2074 | : 1) | |
a168702a | 2075 | |
072d84a6 RS |
2076 | /* Turn appearances of face FACE_ID on tty frame F on. |
2077 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
2078 | |
2079 | static void | |
d3da34e0 | 2080 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
2081 | { |
2082 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2083 | long fg = face->foreground; |
2084 | long bg = face->background; | |
28d7d09f | 2085 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 2086 | |
86a7d192 GM |
2087 | /* Do this first because TS_end_standout_mode may be the same |
2088 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 2089 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 2090 | { |
fca177d4 | 2091 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
2092 | { |
2093 | if (fg >= 0 && bg >= 0) | |
2094 | { | |
2095 | /* If the terminal supports colors, we can set them | |
2096 | below without using reverse video. The face's fg | |
2097 | and bg colors are set as they should appear on | |
2098 | the screen, i.e. they take the inverse-video'ness | |
2099 | of the face already into account. */ | |
2100 | } | |
2101 | else if (inverse_video) | |
2102 | { | |
2103 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2104 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2105 | tty_toggle_highlight (tty); |
86a7d192 GM |
2106 | } |
2107 | else | |
2108 | { | |
2109 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2110 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2111 | tty_toggle_highlight (tty); |
86a7d192 GM |
2112 | } |
2113 | } | |
2114 | else | |
2115 | { | |
2116 | /* If we can't display colors, use reverse video | |
2117 | if the face specifies that. */ | |
37526b42 GM |
2118 | if (inverse_video) |
2119 | { | |
2120 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2121 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 2122 | tty_toggle_highlight (tty); |
37526b42 GM |
2123 | } |
2124 | else | |
2125 | { | |
2126 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2127 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2128 | tty_toggle_highlight (tty); |
37526b42 | 2129 | } |
86a7d192 GM |
2130 | } |
2131 | } | |
a168702a | 2132 | |
4189ed40 CY |
2133 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2134 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2135 | ||
2136 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
2137 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
2138 | |
2139 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 2140 | if (face->tty_alt_charset_p |
fca177d4 KL |
2141 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
2142 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 2143 | |
4e6ba4a4 | 2144 | if (face->tty_blinking_p |
fca177d4 KL |
2145 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
2146 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 2147 | |
fca177d4 KL |
2148 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2149 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2150 | |
fca177d4 | 2151 | if (tty->TN_max_colors > 0) |
a168702a | 2152 | { |
753d161b | 2153 | char *ts, *p; |
177c0ea7 | 2154 | |
fbf34973 | 2155 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2156 | if (fg >= 0 && ts) |
a168702a | 2157 | { |
fbf34973 | 2158 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 2159 | OUTPUT (tty, p); |
a168702a GM |
2160 | xfree (p); |
2161 | } | |
2162 | ||
fbf34973 | 2163 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2164 | if (bg >= 0 && ts) |
a168702a | 2165 | { |
fbf34973 | 2166 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2167 | OUTPUT (tty, p); |
a168702a GM |
2168 | xfree (p); |
2169 | } | |
2170 | } | |
2171 | } | |
177c0ea7 | 2172 | |
a168702a GM |
2173 | |
2174 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2175 | ||
2176 | static void | |
d3da34e0 | 2177 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2178 | { |
2179 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2180 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2181 | |
2182 | xassert (face != NULL); | |
2183 | ||
fca177d4 | 2184 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2185 | { |
2186 | /* Capability "me" will turn off appearance modes double-bright, | |
2187 | half-bright, reverse-video, standout, underline. It may or | |
2188 | may not turn off alt-char-mode. */ | |
2189 | if (face->tty_bold_p | |
2190 | || face->tty_dim_p | |
2191 | || face->tty_reverse_p | |
2192 | || face->tty_alt_charset_p | |
2193 | || face->tty_blinking_p | |
2194 | || face->tty_underline_p) | |
65aa5e85 | 2195 | { |
fca177d4 KL |
2196 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2197 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2198 | tty->standout_mode = 0; | |
65aa5e85 | 2199 | } |
a168702a GM |
2200 | |
2201 | if (face->tty_alt_charset_p) | |
fca177d4 | 2202 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2203 | } |
2204 | else | |
2205 | { | |
2206 | /* If we don't have "me" we can only have those appearances | |
2207 | that have exit sequences defined. */ | |
2208 | if (face->tty_alt_charset_p) | |
fca177d4 | 2209 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2210 | |
54800acb | 2211 | if (face->tty_underline_p) |
fca177d4 | 2212 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2213 | } |
2214 | ||
2215 | /* Switch back to default colors. */ | |
fca177d4 | 2216 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2217 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2218 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2219 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2220 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2221 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2222 | } |
177c0ea7 JB |
2223 | |
2224 | ||
b63a55ac MB |
2225 | /* Return non-zero if the terminal on frame F supports all of the |
2226 | capabilities in CAPS simultaneously, with foreground and background | |
2227 | colors FG and BG. */ | |
2228 | ||
4a8130f2 | 2229 | int |
d3da34e0 JB |
2230 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2231 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2232 | { |
fca177d4 KL |
2233 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2234 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2235 | return 0; |
2236 | ||
fca177d4 KL |
2237 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2238 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2239 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2240 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2241 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2242 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2243 | |
2244 | /* We can do it! */ | |
2245 | return 1; | |
2246 | } | |
2247 | ||
a168702a GM |
2248 | /* Return non-zero if the terminal is capable to display colors. */ |
2249 | ||
2250 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2251 | 0, 1, 0, |
6ed8eeff KL |
2252 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2253 | ||
401e9e57 CY |
2254 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2255 | selected frame's terminal). This function always returns nil if | |
2256 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2257 | (Lisp_Object terminal) |
a168702a | 2258 | { |
717a00ef | 2259 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2260 | if (!t) |
428a555e | 2261 | return Qnil; |
3224dac1 | 2262 | else |
6ed8eeff | 2263 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2264 | } |
2265 | ||
bfa62f96 EZ |
2266 | /* Return the number of supported colors. */ |
2267 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2268 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2269 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2270 | ||
401e9e57 CY |
2271 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2272 | selected frame's terminal). This function always returns 0 if | |
2273 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2274 | (Lisp_Object terminal) |
bfa62f96 | 2275 | { |
717a00ef | 2276 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2277 | if (!t) |
8c8d5f35 | 2278 | return make_number (0); |
3224dac1 | 2279 | else |
6ed8eeff | 2280 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2281 | } |
2282 | ||
84704c5c | 2283 | #ifndef DOS_NT |
a168702a | 2284 | |
5205ee62 GM |
2285 | /* Declare here rather than in the function, as in the rest of Emacs, |
2286 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2287 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2288 | static int default_max_colors; |
2289 | static int default_max_pairs; | |
2290 | static int default_no_color_video; | |
2291 | static char *default_orig_pair; | |
2292 | static char *default_set_foreground; | |
2293 | static char *default_set_background; | |
fcf8ff2e | 2294 | |
ace28297 EZ |
2295 | /* Save or restore the default color-related capabilities of this |
2296 | terminal. */ | |
2297 | static void | |
28d7d09f | 2298 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2299 | { |
ace28297 EZ |
2300 | |
2301 | if (save) | |
2302 | { | |
70fdbb46 | 2303 | xfree (default_orig_pair); |
fca177d4 | 2304 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2305 | |
70fdbb46 | 2306 | xfree (default_set_foreground); |
fca177d4 | 2307 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2308 | : NULL; |
2309 | ||
70fdbb46 | 2310 | xfree (default_set_background); |
fca177d4 | 2311 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2312 | : NULL; |
2313 | ||
fca177d4 KL |
2314 | default_max_colors = tty->TN_max_colors; |
2315 | default_max_pairs = tty->TN_max_pairs; | |
2316 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2317 | } |
2318 | else | |
2319 | { | |
fca177d4 KL |
2320 | tty->TS_orig_pair = default_orig_pair; |
2321 | tty->TS_set_foreground = default_set_foreground; | |
2322 | tty->TS_set_background = default_set_background; | |
2323 | tty->TN_max_colors = default_max_colors; | |
2324 | tty->TN_max_pairs = default_max_pairs; | |
2325 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2326 | } |
2327 | } | |
2328 | ||
2329 | /* Setup one of the standard tty color schemes according to MODE. | |
2330 | MODE's value is generally the number of colors which we want to | |
2331 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2332 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2333 | static void |
28d7d09f | 2334 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2335 | { |
6b61353c KH |
2336 | /* Canonicalize all negative values of MODE. */ |
2337 | if (mode < -1) | |
2338 | mode = -1; | |
2339 | ||
ace28297 EZ |
2340 | switch (mode) |
2341 | { | |
2342 | case -1: /* no colors at all */ | |
fca177d4 KL |
2343 | tty->TN_max_colors = 0; |
2344 | tty->TN_max_pairs = 0; | |
2345 | tty->TN_no_color_video = 0; | |
2346 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2347 | break; |
2348 | case 0: /* default colors, if any */ | |
2349 | default: | |
fca177d4 | 2350 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2351 | break; |
2352 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2353 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2354 | #ifdef TERMINFO |
fca177d4 KL |
2355 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2356 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2357 | #else |
fca177d4 KL |
2358 | tty->TS_set_foreground = "\033[3%dm"; |
2359 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2360 | #endif |
fca177d4 KL |
2361 | tty->TN_max_colors = 8; |
2362 | tty->TN_max_pairs = 64; | |
2363 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2364 | break; |
2365 | } | |
2366 | } | |
2367 | ||
2368 | void | |
d3da34e0 | 2369 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2370 | { |
ce5b453a | 2371 | Lisp_Object tem, val; |
9b2cd403 SM |
2372 | Lisp_Object color_mode; |
2373 | int mode; | |
9b2cd403 SM |
2374 | Lisp_Object tty_color_mode_alist |
2375 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2376 | |
c23b5410 | 2377 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2378 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2379 | |
6b61353c | 2380 | if (INTEGERP (val)) |
ace28297 | 2381 | color_mode = val; |
ce5b453a | 2382 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2383 | { |
ce5b453a | 2384 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2385 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2386 | } |
ce5b453a SM |
2387 | else |
2388 | color_mode = Qnil; | |
6b61353c | 2389 | |
9b2cd403 | 2390 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2391 | |
9b2cd403 | 2392 | if (mode != tty->previous_color_mode) |
ace28297 | 2393 | { |
9b2cd403 SM |
2394 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2395 | tty->previous_color_mode = mode; | |
2396 | tty_setup_colors (tty , mode); | |
2397 | /* This recomputes all the faces given the new color definitions. */ | |
2398 | safe_call (1, &funsym); | |
ace28297 EZ |
2399 | } |
2400 | } | |
2401 | ||
84704c5c | 2402 | #endif /* !DOS_NT */ |
a168702a GM |
2403 | |
2404 | \f | |
28d440ab | 2405 | |
6ed8eeff | 2406 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2407 | |
6ed8eeff | 2408 | struct terminal * |
717a00ef | 2409 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2410 | { |
717a00ef | 2411 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2412 | |
84704c5c | 2413 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2414 | { |
2415 | if (throw) | |
2416 | error ("Device %d is not a termcap terminal device", t->id); | |
2417 | else | |
2418 | return NULL; | |
2419 | } | |
b6660415 | 2420 | |
6ed8eeff | 2421 | return t; |
b6660415 KL |
2422 | } |
2423 | ||
ab797f65 KL |
2424 | /* Return an active termcap device that uses the tty device with the |
2425 | given name. | |
b6660415 | 2426 | |
7e59217d | 2427 | This function ignores suspended devices. |
da8e1115 KL |
2428 | |
2429 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2430 | |
6ed8eeff | 2431 | struct terminal * |
8ea90aa3 | 2432 | get_named_tty (const char *name) |
28d440ab | 2433 | { |
6ed8eeff KL |
2434 | struct terminal *t; |
2435 | ||
ab797f65 KL |
2436 | if (!name) |
2437 | abort (); | |
2438 | ||
2439 | for (t = terminal_list; t; t = t->next_terminal) | |
2440 | { | |
5cc67f65 | 2441 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2442 | && !strcmp (t->display_info.tty->name, name) |
2443 | && TERMINAL_ACTIVE_P (t)) | |
2444 | return t; | |
2445 | } | |
28d440ab KL |
2446 | |
2447 | return 0; | |
2448 | } | |
2449 | ||
2450 | \f | |
6ed8eeff KL |
2451 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2452 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2453 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2454 | |
401e9e57 CY |
2455 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2456 | selected frame's terminal). */) | |
5842a27b | 2457 | (Lisp_Object terminal) |
b6660415 | 2458 | { |
6ed8eeff | 2459 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2460 | |
84704c5c | 2461 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2462 | return Qnil; |
2463 | ||
6ed8eeff KL |
2464 | if (t->display_info.tty->type) |
2465 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2466 | else |
2467 | return Qnil; | |
2468 | } | |
2469 | ||
6ed8eeff | 2470 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2471 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2472 | |
401e9e57 CY |
2473 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2474 | selected frame's terminal). This function always returns nil if | |
2475 | TERMINAL is not on a tty device. */) | |
5842a27b | 2476 | (Lisp_Object terminal) |
4a933ef8 | 2477 | { |
6ed8eeff | 2478 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2479 | |
84704c5c EZ |
2480 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2481 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2482 | return Qnil; |
2483 | else | |
2484 | return Qt; | |
2485 | } | |
2486 | ||
a3fbb897 | 2487 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2488 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2489 | This is used to override the terminfo data, for certain terminals that |
2490 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2491 | no effect if used on a non-tty terminal. |
a3fbb897 | 2492 | |
401e9e57 CY |
2493 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2494 | selected frame's terminal). This function always returns nil if | |
2495 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2496 | (Lisp_Object terminal) |
a3fbb897 | 2497 | { |
6ed8eeff | 2498 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2499 | |
6ed8eeff KL |
2500 | if (t->type == output_termcap) |
2501 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2502 | return Qnil; |
2503 | } | |
2504 | ||
ed8dad6b KL |
2505 | \f |
2506 | ||
2507 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2508 | doc: /* Suspend the terminal device TTY. | |
2509 | ||
2510 | The device is restored to its default state, and Emacs ceases all | |
2511 | access to the tty device. Frames that use the device are not deleted, | |
2512 | but input is not read from them and if they change, their display is | |
2513 | not updated. | |
2514 | ||
401e9e57 CY |
2515 | TTY may be a terminal object, a frame, or nil for the terminal device |
2516 | of the currently selected frame. | |
ed8dad6b | 2517 | |
e4019195 | 2518 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2519 | device. The functions are run with one arg, the id of the suspended |
2520 | terminal device. | |
2521 | ||
2522 | `suspend-tty' does nothing if it is called on a device that is already | |
2523 | suspended. | |
2524 | ||
2525 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2526 | (Lisp_Object tty) |
ed8dad6b | 2527 | { |
717a00ef | 2528 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2529 | FILE *f; |
f4d953fc | 2530 | |
6ed8eeff | 2531 | if (!t) |
ed8dad6b KL |
2532 | error ("Unknown tty device"); |
2533 | ||
6ed8eeff | 2534 | f = t->display_info.tty->input; |
f4d953fc | 2535 | |
ed8dad6b KL |
2536 | if (f) |
2537 | { | |
23d4cba5 DN |
2538 | /* First run `suspend-tty-functions' and then clean up the tty |
2539 | state because `suspend-tty-functions' might need to change | |
2540 | the tty state. */ | |
2541 | if (!NILP (Vrun_hooks)) | |
2542 | { | |
2543 | Lisp_Object args[2]; | |
2544 | args[0] = intern ("suspend-tty-functions"); | |
2545 | XSETTERMINAL (args[1], t); | |
2546 | Frun_hook_with_args (2, args); | |
2547 | } | |
2548 | ||
6ed8eeff | 2549 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2550 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2551 | |
84704c5c | 2552 | #ifndef MSDOS |
ed8dad6b | 2553 | fclose (f); |
6ed8eeff KL |
2554 | if (f != t->display_info.tty->output) |
2555 | fclose (t->display_info.tty->output); | |
84704c5c | 2556 | #endif |
f4d953fc | 2557 | |
6ed8eeff KL |
2558 | t->display_info.tty->input = 0; |
2559 | t->display_info.tty->output = 0; | |
ed8dad6b | 2560 | |
6ed8eeff KL |
2561 | if (FRAMEP (t->display_info.tty->top_frame)) |
2562 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2563 | |
ed8dad6b KL |
2564 | } |
2565 | ||
4a665758 KL |
2566 | /* Clear display hooks to prevent further output. */ |
2567 | clear_tty_hooks (t); | |
2568 | ||
ed8dad6b KL |
2569 | return Qnil; |
2570 | } | |
2571 | ||
2572 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2573 | doc: /* Resume the previously suspended terminal device TTY. | |
2574 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2575 | suspended terminal are revived. |
ed8dad6b | 2576 | |
6ed8eeff KL |
2577 | It is an error to resume a terminal while another terminal is active |
2578 | on the same device. | |
ed8dad6b | 2579 | |
e4019195 | 2580 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2581 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2582 | device. |
2583 | ||
2584 | `resume-tty' does nothing if it is called on a device that is not | |
2585 | suspended. | |
2586 | ||
401e9e57 CY |
2587 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2588 | frame's terminal). */) | |
5842a27b | 2589 | (Lisp_Object tty) |
ed8dad6b | 2590 | { |
717a00ef | 2591 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2592 | int fd; |
2593 | ||
6ed8eeff | 2594 | if (!t) |
ed8dad6b KL |
2595 | error ("Unknown tty device"); |
2596 | ||
6ed8eeff | 2597 | if (!t->display_info.tty->input) |
ed8dad6b | 2598 | { |
6ed8eeff | 2599 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2600 | error ("Cannot resume display while another display is active on the same device"); |
2601 | ||
84704c5c EZ |
2602 | #ifdef MSDOS |
2603 | t->display_info.tty->output = stdout; | |
2604 | t->display_info.tty->input = stdin; | |
2605 | #else /* !MSDOS */ | |
6ed8eeff | 2606 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2607 | |
59b3194c KL |
2608 | if (fd == -1) |
2609 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2610 | |
78048085 | 2611 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2612 | dissociate_if_controlling_tty (fd); |
78048085 | 2613 | |
6ed8eeff KL |
2614 | t->display_info.tty->output = fdopen (fd, "w+"); |
2615 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2616 | #endif |
78048085 | 2617 | |
ed8dad6b KL |
2618 | add_keyboard_wait_descriptor (fd); |
2619 | ||
6ed8eeff | 2620 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2621 | { |
2622 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2623 | int width, height; | |
2624 | int old_height = FRAME_COLS (f); | |
2625 | int old_width = FRAME_LINES (f); | |
2626 | ||
2627 | /* Check if terminal/window size has changed while the frame | |
2628 | was suspended. */ | |
2629 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2630 | if (width != old_width || height != old_height) | |
2631 | change_frame_size (f, height, width, 0, 0, 0); | |
2632 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2633 | } | |
ed8dad6b | 2634 | |
6ed8eeff | 2635 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2636 | |
e4019195 | 2637 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2638 | if (!NILP (Vrun_hooks)) |
2639 | { | |
2640 | Lisp_Object args[2]; | |
e4019195 | 2641 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2642 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2643 | Frun_hook_with_args (2, args); |
2644 | } | |
2645 | } | |
2646 | ||
4a665758 KL |
2647 | set_tty_hooks (t); |
2648 | ||
ed8dad6b KL |
2649 | return Qnil; |
2650 | } | |
a3fbb897 | 2651 | |
819b8f00 | 2652 | \f |
e882229c NR |
2653 | /*********************************************************************** |
2654 | Mouse | |
2655 | ***********************************************************************/ | |
2656 | ||
7e5a23bd | 2657 | #ifdef HAVE_GPM |
5faa03ba RS |
2658 | void |
2659 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2660 | { |
1ec5dc77 | 2661 | /* TODO: how to set mouse position? |
94da14a0 NR |
2662 | const char *name; |
2663 | int fd; | |
2664 | name = (const char *) ttyname (0); | |
2665 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2666 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2667 | close (fd); |
2668 | last_mouse_x = x; | |
80fb2ce0 | 2669 | last_mouse_y = y; */ |
94da14a0 NR |
2670 | } |
2671 | ||
cf482c50 EZ |
2672 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2673 | void | |
2674 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2675 | int start_hpos, int end_hpos, | |
2676 | enum draw_glyphs_face draw) | |
e882229c | 2677 | { |
cf482c50 EZ |
2678 | int nglyphs = end_hpos - start_hpos; |
2679 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2680 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2681 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2682 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2683 | |
cf482c50 EZ |
2684 | if (end_hpos >= row->used[TEXT_AREA]) |
2685 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2686 | |
cf482c50 EZ |
2687 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2688 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2689 | |
cf482c50 EZ |
2690 | /* Save current cursor co-ordinates. */ |
2691 | save_y = curY (tty); | |
2692 | save_x = curX (tty); | |
2693 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2694 | |
cf482c50 EZ |
2695 | if (draw == DRAW_MOUSE_FACE) |
2696 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2697 | nglyphs, face_id); | |
2698 | else if (draw == DRAW_NORMAL_TEXT) | |
2699 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2700 | |
cf482c50 | 2701 | cursor_to (f, save_y, save_x); |
e882229c NR |
2702 | } |
2703 | ||
2704 | static int | |
2705 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2706 | { | |
2707 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2708 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2709 | { | |
2710 | frame->mouse_moved = 1; | |
cf482c50 | 2711 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2712 | /* Remember which glyph we're now on. */ |
2713 | last_mouse_x = event->x; | |
2714 | last_mouse_y = event->y; | |
2715 | return 1; | |
2716 | } | |
2717 | return 0; | |
2718 | } | |
2719 | ||
2720 | /* Return the current position of the mouse. | |
2721 | ||
2722 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2723 | Emacs frame. If it is set to zero, all the other arguments are | |
2724 | garbage. | |
2725 | ||
2726 | Set *bar_window to Qnil, and *x and *y to the column and | |
2727 | row of the character cell the mouse is over. | |
2728 | ||
2729 | Set *time to the time the mouse was at the returned position. | |
2730 | ||
80fb2ce0 | 2731 | This clears mouse_moved until the next motion |
94da14a0 | 2732 | event arrives. */ |
e882229c NR |
2733 | static void |
2734 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2735 | enum scroll_bar_part *part, Lisp_Object *x, | |
2736 | Lisp_Object *y, unsigned long *time) | |
2737 | { | |
e882229c | 2738 | struct timeval now; |
e882229c NR |
2739 | |
2740 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2741 | (*fp)->mouse_moved = 0; |
e882229c NR |
2742 | |
2743 | *bar_window = Qnil; | |
2744 | *part = 0; | |
2745 | ||
80fb2ce0 | 2746 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2747 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2748 | gettimeofday(&now, 0); |
2749 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2750 | } |
2751 | ||
2752 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2753 | ||
2754 | If the event is a button press, then note that we have grabbed | |
2755 | the mouse. */ | |
2756 | ||
2757 | static Lisp_Object | |
2758 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2759 | struct frame *f) | |
2760 | { | |
2761 | struct timeval now; | |
2762 | int i, j; | |
2763 | ||
2764 | result->kind = GPM_CLICK_EVENT; | |
2765 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2766 | { | |
2767 | if (event->buttons & j) { | |
2768 | result->code = i; /* button number */ | |
2769 | break; | |
2770 | } | |
2771 | } | |
2772 | gettimeofday(&now, 0); | |
2773 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2774 | ||
2775 | if (event->type & GPM_UP) | |
2776 | result->modifiers = up_modifier; | |
2777 | else if (event->type & GPM_DOWN) | |
2778 | result->modifiers = down_modifier; | |
2779 | else | |
2780 | result->modifiers = 0; | |
f4d953fc | 2781 | |
e882229c NR |
2782 | if (event->type & GPM_SINGLE) |
2783 | result->modifiers |= click_modifier; | |
f4d953fc | 2784 | |
e882229c NR |
2785 | if (event->type & GPM_DOUBLE) |
2786 | result->modifiers |= double_modifier; | |
2787 | ||
2788 | if (event->type & GPM_TRIPLE) | |
2789 | result->modifiers |= triple_modifier; | |
2790 | ||
2791 | if (event->type & GPM_DRAG) | |
2792 | result->modifiers |= drag_modifier; | |
2793 | ||
80fb2ce0 | 2794 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2795 | |
2796 | /* 1 << KG_SHIFT */ | |
2797 | if (event->modifiers & (1 << 0)) | |
2798 | result->modifiers |= shift_modifier; | |
2799 | ||
2800 | /* 1 << KG_CTRL */ | |
2801 | if (event->modifiers & (1 << 2)) | |
2802 | result->modifiers |= ctrl_modifier; | |
2803 | ||
2804 | /* 1 << KG_ALT || KG_ALTGR */ | |
2805 | if (event->modifiers & (1 << 3) | |
2806 | || event->modifiers & (1 << 1)) | |
2807 | result->modifiers |= meta_modifier; | |
2808 | } | |
2809 | ||
80fb2ce0 NR |
2810 | XSETINT (result->x, event->x); |
2811 | XSETINT (result->y, event->y); | |
e882229c NR |
2812 | XSETFRAME (result->frame_or_window, f); |
2813 | result->arg = Qnil; | |
2814 | return Qnil; | |
2815 | } | |
2816 | ||
f4d953fc | 2817 | int |
7be1c21a | 2818 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2819 | { |
7be1c21a | 2820 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2821 | struct input_event ie; |
2822 | int do_help = 0; | |
2823 | int count = 0; | |
2824 | ||
2825 | EVENT_INIT (ie); | |
2826 | ie.kind = NO_EVENT; | |
2827 | ie.arg = Qnil; | |
2828 | ||
80fb2ce0 | 2829 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2830 | previous_help_echo_string = help_echo_string; |
2831 | help_echo_string = Qnil; | |
2832 | ||
6178ce5e | 2833 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2834 | |
80fb2ce0 NR |
2835 | if (!term_mouse_movement (f, event)) |
2836 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2837 | |
2838 | /* If the contents of the global variable help_echo_string | |
2839 | has changed, generate a HELP_EVENT. */ | |
2840 | if (!NILP (help_echo_string) | |
2841 | || !NILP (previous_help_echo_string)) | |
2842 | do_help = 1; | |
2843 | ||
2844 | goto done; | |
2845 | } | |
2846 | else { | |
2847 | f->mouse_moved = 0; | |
2848 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2849 | } |
2850 | ||
2851 | done: | |
2852 | if (ie.kind != NO_EVENT) | |
2853 | { | |
2854 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2855 | count++; | |
2856 | } | |
2857 | ||
2858 | if (do_help | |
2859 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2860 | { | |
2861 | Lisp_Object frame; | |
2862 | ||
2863 | if (f) | |
2864 | XSETFRAME (frame, f); | |
2865 | else | |
2866 | frame = Qnil; | |
2867 | ||
2868 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2869 | help_echo_object, help_echo_pos); | |
2870 | count++; | |
2871 | } | |
2872 | ||
2873 | return count; | |
2874 | } | |
2875 | ||
6178ce5e | 2876 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2877 | 0, 0, 0, |
71f44e7a | 2878 | doc: /* Open a connection to Gpm. |
6178ce5e | 2879 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2880 | (void) |
e882229c | 2881 | { |
71f44e7a SM |
2882 | struct frame *f = SELECTED_FRAME (); |
2883 | struct tty_display_info *tty | |
2884 | = ((f)->output_method == output_termcap | |
2885 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2886 | Gpm_Connect connection; |
2887 | ||
6178ce5e SM |
2888 | if (!tty) |
2889 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2890 | if (gpm_tty == tty) |
2891 | return Qnil; /* Already activated, nothing to do. */ | |
2892 | if (gpm_tty) | |
2893 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2894 | |
e882229c NR |
2895 | connection.eventMask = ~0; |
2896 | connection.defaultMask = ~GPM_HARD; | |
2897 | connection.maxMod = ~0; | |
2898 | connection.minMod = 0; | |
80fb2ce0 | 2899 | gpm_zerobased = 1; |
e882229c NR |
2900 | |
2901 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2902 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2903 | else |
2904 | { | |
71f44e7a | 2905 | gpm_tty = tty; |
1023cbed SM |
2906 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2907 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2908 | before calling init_sys_modes. */ | |
7be1c21a MB |
2909 | reset_sys_modes (tty); |
2910 | init_sys_modes (tty); | |
e882229c | 2911 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2912 | return Qnil; |
e882229c NR |
2913 | } |
2914 | } | |
2915 | ||
ed5ff21d | 2916 | void |
d347e494 | 2917 | close_gpm (int fd) |
ed5ff21d | 2918 | { |
d347e494 SM |
2919 | if (fd >= 0) |
2920 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2921 | while (Gpm_Close()); /* close all the stack */ |
2922 | gpm_tty = NULL; | |
2923 | } | |
2924 | ||
6178ce5e | 2925 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2926 | 0, 0, 0, |
2927 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2928 | (void) |
e882229c | 2929 | { |
4ce5ab77 SM |
2930 | struct frame *f = SELECTED_FRAME (); |
2931 | struct tty_display_info *tty | |
2932 | = ((f)->output_method == output_termcap | |
2933 | ? (f)->terminal->display_info.tty : NULL); | |
2934 | ||
2935 | if (!tty || gpm_tty != tty) | |
2936 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2937 | |
d347e494 | 2938 | close_gpm (gpm_fd); |
6178ce5e | 2939 | return Qnil; |
e882229c | 2940 | } |
7e5a23bd | 2941 | #endif /* HAVE_GPM */ |
e882229c NR |
2942 | |
2943 | \f | |
89ba96f4 | 2944 | #ifndef MSDOS |
a168702a GM |
2945 | /*********************************************************************** |
2946 | Initialization | |
2947 | ***********************************************************************/ | |
2948 | ||
ed8dad6b KL |
2949 | /* Initialize the tty-dependent part of frame F. The frame must |
2950 | already have its device initialized. */ | |
3224dac1 | 2951 | |
dfcf069d | 2952 | void |
ed8dad6b | 2953 | create_tty_output (struct frame *f) |
28d440ab | 2954 | { |
ed8dad6b KL |
2955 | struct tty_output *t; |
2956 | ||
2957 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
2958 | abort (); |
2959 | ||
ed8dad6b | 2960 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 2961 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 2962 | |
6ed8eeff | 2963 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2964 | |
ed8dad6b | 2965 | f->output_data.tty = t; |
3224dac1 KL |
2966 | } |
2967 | ||
9f215d25 | 2968 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2969 | |
ed8dad6b | 2970 | static void |
9f215d25 | 2971 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2972 | { |
ed8dad6b | 2973 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
2974 | abort (); |
2975 | ||
9f215d25 CY |
2976 | if (FRAME_FACE_CACHE (f)) |
2977 | free_frame_faces (f); | |
2978 | ||
ed8dad6b | 2979 | xfree (f->output_data.tty); |
28d440ab KL |
2980 | } |
2981 | ||
89ba96f4 EZ |
2982 | #else /* MSDOS */ |
2983 | ||
2984 | /* Delete frame F's face cache. */ | |
2985 | ||
2986 | static void | |
2987 | tty_free_frame_resources (struct frame *f) | |
2988 | { | |
2989 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
2990 | abort (); | |
2991 | ||
2992 | if (FRAME_FACE_CACHE (f)) | |
2993 | free_frame_faces (f); | |
2994 | } | |
2995 | #endif /* MSDOS */ | |
ed8dad6b | 2996 | \f |
47cc8819 | 2997 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2998 | |
4a665758 KL |
2999 | static void |
3000 | clear_tty_hooks (struct terminal *terminal) | |
3001 | { | |
3002 | terminal->rif = 0; | |
3003 | terminal->cursor_to_hook = 0; | |
3004 | terminal->raw_cursor_to_hook = 0; | |
3005 | terminal->clear_to_end_hook = 0; | |
3006 | terminal->clear_frame_hook = 0; | |
3007 | terminal->clear_end_of_line_hook = 0; | |
3008 | terminal->ins_del_lines_hook = 0; | |
3009 | terminal->insert_glyphs_hook = 0; | |
3010 | terminal->write_glyphs_hook = 0; | |
3011 | terminal->delete_glyphs_hook = 0; | |
3012 | terminal->ring_bell_hook = 0; | |
3013 | terminal->reset_terminal_modes_hook = 0; | |
3014 | terminal->set_terminal_modes_hook = 0; | |
3015 | terminal->update_begin_hook = 0; | |
3016 | terminal->update_end_hook = 0; | |
3017 | terminal->set_terminal_window_hook = 0; | |
3018 | terminal->mouse_position_hook = 0; | |
3019 | terminal->frame_rehighlight_hook = 0; | |
3020 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3021 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3022 | terminal->set_vertical_scroll_bar_hook = 0; |
3023 | terminal->condemn_scroll_bars_hook = 0; | |
3024 | terminal->redeem_scroll_bar_hook = 0; | |
3025 | terminal->judge_scroll_bars_hook = 0; | |
3026 | terminal->read_socket_hook = 0; | |
3027 | terminal->frame_up_to_date_hook = 0; | |
3028 | ||
3029 | /* Leave these two set, or suspended frames are not deleted | |
3030 | correctly. */ | |
9f215d25 | 3031 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3032 | terminal->delete_terminal_hook = &delete_tty; |
3033 | } | |
3034 | ||
47cc8819 DN |
3035 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3036 | ||
4a665758 KL |
3037 | static void |
3038 | set_tty_hooks (struct terminal *terminal) | |
3039 | { | |
3040 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3041 | ||
3042 | terminal->cursor_to_hook = &tty_cursor_to; | |
3043 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3044 | ||
3045 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3046 | terminal->clear_frame_hook = &tty_clear_frame; | |
3047 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3048 | ||
3049 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3050 | ||
3051 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3052 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3053 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3054 | ||
3055 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3056 | |
4a665758 KL |
3057 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3058 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3059 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3060 | terminal->update_end_hook = &tty_update_end; | |
3061 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3062 | ||
3063 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3064 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3065 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3066 | ||
3067 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3068 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3069 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3070 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3071 | ||
3072 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3073 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3074 | |
9f215d25 | 3075 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3076 | terminal->delete_terminal_hook = &delete_tty; |
3077 | } | |
3078 | ||
03a1d6bd | 3079 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3080 | static void |
03a1d6bd KL |
3081 | dissociate_if_controlling_tty (int fd) |
3082 | { | |
84704c5c | 3083 | #ifndef DOS_NT |
12e610e8 | 3084 | int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3085 | if (pgid != -1) |
3086 | { | |
6254cdda | 3087 | #if defined (USG5) |
03a1d6bd KL |
3088 | setpgrp (); |
3089 | no_controlling_tty = 1; | |
de52dcbb DN |
3090 | #elif defined (CYGWIN) |
3091 | setsid (); | |
3092 | no_controlling_tty = 1; | |
03a1d6bd KL |
3093 | #else |
3094 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3095 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3096 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3097 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3098 | { | |
3099 | no_controlling_tty = 1; | |
3100 | } | |
3101 | if (fd != -1) | |
3102 | emacs_close (fd); | |
3103 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3104 | #else |
8516815b KL |
3105 | /* Unknown system. */ |
3106 | croak (); | |
03a1d6bd KL |
3107 | #endif /* ! TIOCNOTTY */ |
3108 | #endif /* ! USG */ | |
71a96040 | 3109 | } |
84704c5c | 3110 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3111 | } |
3112 | ||
3224dac1 KL |
3113 | /* Create a termcap display on the tty device with the given name and |
3114 | type. | |
3115 | ||
ab797f65 | 3116 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3117 | Otherwise NAME should be a path to the tty device file, |
3118 | e.g. "/dev/pts/7". | |
28d440ab | 3119 | |
3224dac1 KL |
3120 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3121 | ||
3122 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3123 | |
6ed8eeff | 3124 | struct terminal * |
8ea90aa3 | 3125 | init_tty (const char *name, const char *terminal_type, int must_succeed) |
08a24c47 | 3126 | { |
59b3194c | 3127 | char *area = NULL; |
08a24c47 | 3128 | char **address = &area; |
6b61353c | 3129 | int buffer_size = 4096; |
59b3194c | 3130 | register char *p = NULL; |
08a24c47 | 3131 | int status; |
59b3194c KL |
3132 | struct tty_display_info *tty = NULL; |
3133 | struct terminal *terminal = NULL; | |
3134 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3135 | |
3224dac1 | 3136 | if (!terminal_type) |
d31eee5e | 3137 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3138 | "Unknown terminal type", |
3139 | "Unknown terminal type"); | |
b6660415 | 3140 | |
ab797f65 | 3141 | if (name == NULL) |
78048085 EZ |
3142 | name = DEV_TTY; |
3143 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3144 | ctty = 1; |
3145 | ||
6ed8eeff KL |
3146 | /* If we already have a terminal on the given device, use that. If |
3147 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3148 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3149 | always create a new terminal and separating terminal and frame |
b6660415 | 3150 | creation on Lisp level. */ |
6ed8eeff KL |
3151 | terminal = get_named_tty (name); |
3152 | if (terminal) | |
3153 | return terminal; | |
78048085 | 3154 | |
6ed8eeff | 3155 | terminal = create_terminal (); |
84704c5c EZ |
3156 | #ifdef MSDOS |
3157 | if (been_here > 0) | |
d31eee5e | 3158 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3159 | name, ""); |
3160 | been_here = 1; | |
3161 | tty = &the_only_display_info; | |
3162 | #else | |
3224dac1 | 3163 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3164 | #endif |
72af86bd | 3165 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3166 | tty->next = tty_list; |
3167 | tty_list = tty; | |
428a555e | 3168 | |
6ed8eeff KL |
3169 | terminal->type = output_termcap; |
3170 | terminal->display_info.tty = tty; | |
3171 | tty->terminal = terminal; | |
28d440ab | 3172 | |
7b00d185 KL |
3173 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3174 | Wcm_clear (tty); | |
daf01701 | 3175 | |
dce4c2ac DN |
3176 | encode_terminal_src_size = 0; |
3177 | encode_terminal_dst_size = 0; | |
3178 | ||
3179 | #ifdef HAVE_GPM | |
3180 | terminal->mouse_position_hook = term_mouse_position; | |
cf482c50 | 3181 | tty->mouse_highlight.mouse_face_window = Qnil; |
dce4c2ac DN |
3182 | #endif |
3183 | ||
3184 | ||
84704c5c | 3185 | #ifndef DOS_NT |
4a665758 | 3186 | set_tty_hooks (terminal); |
78048085 | 3187 | |
59b3194c KL |
3188 | { |
3189 | int fd; | |
3190 | FILE *file; | |
0c72d684 KL |
3191 | |
3192 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3193 | if (!ctty) |
0c72d684 KL |
3194 | /* Open the terminal device. Don't recognize it as our |
3195 | controlling terminal, and don't make it the controlling tty | |
3196 | if we don't have one at the moment. */ | |
3197 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3198 | else |
0c72d684 | 3199 | #else |
2666355c | 3200 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3201 | defined on Hurd. On other systems, we need to explicitly |
3202 | dissociate ourselves from the controlling tty when we want to | |
3203 | open a frame on the same terminal. */ | |
0c72d684 | 3204 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3205 | #endif /* O_IGNORE_CTTY */ |
3206 | ||
97c6058a DN |
3207 | tty->name = xstrdup (name); |
3208 | terminal->name = xstrdup (name); | |
3209 | ||
59b3194c | 3210 | if (fd < 0) |
d31eee5e | 3211 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3212 | "Could not open file: %s", |
3213 | "Could not open file: %s", | |
3214 | name); | |
3215 | if (!isatty (fd)) | |
3216 | { | |
3217 | close (fd); | |
d31eee5e | 3218 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3219 | "Not a tty device: %s", |
3220 | "Not a tty device: %s", | |
3221 | name); | |
3222 | } | |
0c72d684 | 3223 | |
59b3194c KL |
3224 | #ifndef O_IGNORE_CTTY |
3225 | if (!ctty) | |
03a1d6bd | 3226 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3227 | #endif |
3228 | ||
3229 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3230 | tty->input = file; |
3231 | tty->output = file; | |
3232 | } | |
78048085 | 3233 | |
28d7d09f | 3234 | tty->type = xstrdup (terminal_type); |
28d440ab | 3235 | |
819b8f00 | 3236 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3237 | |
6548cf00 | 3238 | Wcm_clear (tty); |
08a24c47 | 3239 | |
d31eee5e | 3240 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3241 | |
03a1d6bd KL |
3242 | /* On some systems, tgetent tries to access the controlling |
3243 | terminal. */ | |
3244 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3245 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3246 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3247 | |
08a24c47 | 3248 | if (status < 0) |
b0347178 KH |
3249 | { |
3250 | #ifdef TERMINFO | |
d31eee5e | 3251 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3252 | "Cannot open terminfo database file", |
3253 | "Cannot open terminfo database file"); | |
b0347178 | 3254 | #else |
d31eee5e | 3255 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3256 | "Cannot open termcap database file", |
3257 | "Cannot open termcap database file"); | |
b0347178 KH |
3258 | #endif |
3259 | } | |
08a24c47 | 3260 | if (status == 0) |
b0347178 | 3261 | { |
d31eee5e | 3262 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3263 | "Terminal type %s is not defined", |
3264 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3265 | If that is not the actual type of terminal you have,\n\ |
3266 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3267 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3268 | #ifdef TERMINFO | |
3269 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3270 | #else |
84164a0d | 3271 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3272 | #endif |
84164a0d | 3273 | terminal_type); |
b0347178 | 3274 | } |
6b61353c KH |
3275 | |
3276 | #ifndef TERMINFO | |
d31eee5e | 3277 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3278 | abort (); |
d31eee5e | 3279 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3280 | #endif |
d31eee5e | 3281 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3282 | tty->TS_ins_line = tgetstr ("al", address); |
3283 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3284 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3285 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3286 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3287 | tty->TS_clr_line = tgetstr ("ce", address); | |
3288 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3289 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3290 | AbsPosition (tty) = tgetstr ("cm", address); | |
3291 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3292 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3293 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3294 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3295 | tty->TS_del_char = tgetstr ("dc", address); |
3296 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3297 | tty->TS_del_line = tgetstr ("dl", address); | |
3298 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3299 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3300 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3301 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3302 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3303 | tty->TS_ins_char = tgetstr ("ic", address); |
3304 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3305 | tty->TS_insert_mode = tgetstr ("im", address); | |
3306 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3307 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3308 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3309 | LastLine (tty) = tgetstr ("ll", address); |
3310 | Right (tty) = tgetstr ("nd", address); | |
3311 | Down (tty) = tgetstr ("do", address); | |
3312 | if (!Down (tty)) | |
3313 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3314 | if (tgetflag ("bs")) |
6548cf00 | 3315 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3316 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3317 | Left (tty) = tgetstr ("le", address); |
3318 | if (!Left (tty)) | |
3319 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3320 | tty->TS_pad_char = tgetstr ("pc", address); |
3321 | tty->TS_repeat = tgetstr ("rp", address); | |
3322 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3323 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3324 | tty->TS_standout_mode = tgetstr ("so", address); | |
3325 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3326 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3327 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3328 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3329 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3330 | tty->TS_visible_bell = tgetstr ("vb", address); |
3331 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3332 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3333 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3334 | tty->TS_set_window = tgetstr ("wi", address); | |
3335 | ||
3336 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3337 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3338 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3339 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3340 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3341 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3342 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3343 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3344 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3345 | |
6548cf00 KL |
3346 | MultiUp (tty) = tgetstr ("UP", address); |
3347 | MultiDown (tty) = tgetstr ("DO", address); | |
3348 | MultiLeft (tty) = tgetstr ("LE", address); | |
3349 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3350 | |
e7f90eab GM |
3351 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3352 | color because we can't switch back to the default foreground and | |
3353 | background. */ | |
fca177d4 KL |
3354 | tty->TS_orig_pair = tgetstr ("op", address); |
3355 | if (tty->TS_orig_pair) | |
a168702a | 3356 | { |
fca177d4 KL |
3357 | tty->TS_set_foreground = tgetstr ("AF", address); |
3358 | tty->TS_set_background = tgetstr ("AB", address); | |
3359 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3360 | { |
3361 | /* SVr4. */ | |
fca177d4 KL |
3362 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3363 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3364 | } |
177c0ea7 | 3365 | |
fca177d4 KL |
3366 | tty->TN_max_colors = tgetnum ("Co"); |
3367 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3368 | |
fca177d4 KL |
3369 | tty->TN_no_color_video = tgetnum ("NC"); |
3370 | if (tty->TN_no_color_video == -1) | |
3371 | tty->TN_no_color_video = 0; | |
a168702a | 3372 | } |
a168702a | 3373 | |
fca177d4 | 3374 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3375 | |
6548cf00 | 3376 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3377 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3378 | the former flag imply the latter. */ | |
6548cf00 | 3379 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3380 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3381 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3382 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3383 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3384 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3385 | tty->TF_standout_motion = tgetflag ("ms"); | |
3386 | tty->TF_underscore = tgetflag ("ul"); | |
3387 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3388 | |
dce4c2ac DN |
3389 | #else /* DOS_NT */ |
3390 | #ifdef WINDOWSNT | |
3391 | { | |
3392 | struct frame *f = XFRAME (selected_frame); | |
3393 | ||
3394 | initialize_w32_display (terminal); | |
3395 | ||
3396 | FrameRows (tty) = FRAME_LINES (f); | |
3397 | FrameCols (tty) = FRAME_COLS (f); | |
3398 | tty->specified_window = FRAME_LINES (f); | |
3399 | ||
3400 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
3401 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
3402 | terminal->char_ins_del_ok = 1; | |
3403 | baud_rate = 19200; | |
3404 | } | |
3405 | #else /* MSDOS */ | |
3406 | { | |
3407 | int height, width; | |
3408 | if (strcmp (terminal_type, "internal") == 0) | |
3409 | terminal->type = output_msdos_raw; | |
3410 | initialize_msdos_display (terminal); | |
3411 | ||
3412 | get_tty_size (fileno (tty->input), &width, &height); | |
3413 | FrameCols (tty) = width; | |
3414 | FrameRows (tty) = height; | |
3415 | terminal->char_ins_del_ok = 0; | |
3416 | init_baud_rate (fileno (tty->input)); | |
3417 | } | |
3418 | #endif /* MSDOS */ | |
3419 | tty->output = stdout; | |
3420 | tty->input = stdin; | |
3421 | /* The following two are inaccessible from w32console.c. */ | |
3422 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3423 | terminal->delete_terminal_hook = &delete_tty; | |
3424 | ||
3425 | tty->name = xstrdup (name); | |
3426 | terminal->name = xstrdup (name); | |
3427 | tty->type = xstrdup (terminal_type); | |
3428 | ||
3429 | add_keyboard_wait_descriptor (0); | |
3430 | ||
dce4c2ac DN |
3431 | tty->delete_in_insert_mode = 1; |
3432 | ||
3433 | UseTabs (tty) = 0; | |
3434 | terminal->scroll_region_ok = 0; | |
3435 | ||
3436 | /* Seems to insert lines when it's not supposed to, messing up the | |
3437 | display. In doing a trace, it didn't seem to be called much, so I | |
3438 | don't think we're losing anything by turning it off. */ | |
3439 | terminal->line_ins_del_ok = 0; | |
3440 | ||
3441 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ | |
3442 | #endif /* DOS_NT */ | |
3443 | ||
6ed8eeff KL |
3444 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3445 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3446 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3447 | terminal->kboard->next_kboard = all_kboards; |
3448 | all_kboards = terminal->kboard; | |
3449 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3450 | /* Don't let the initial kboard remain current longer than necessary. |
3451 | That would cause problems if a file loaded on startup tries to | |
3452 | prompt in the mini-buffer. */ | |
3453 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3454 | current_kboard = terminal->kboard; |
84704c5c | 3455 | #ifndef DOS_NT |
6ed8eeff | 3456 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3457 | |
ff11dfa1 | 3458 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3459 | { |
3460 | int height, width; | |
0b0d3e0b | 3461 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3462 | FrameCols (tty) = width; |
3463 | FrameRows (tty) = height; | |
3b12ce12 RS |
3464 | } |
3465 | ||
0a125897 KL |
3466 | if (FrameCols (tty) <= 0) |
3467 | FrameCols (tty) = tgetnum ("co"); | |
3468 | if (FrameRows (tty) <= 0) | |
3469 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3470 | |
0a125897 | 3471 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3472 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3473 | "Screen size %dx%d is too small", |
3224dac1 | 3474 | "Screen size %dx%d is too small", |
0a125897 | 3475 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3476 | |
6548cf00 | 3477 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3478 | |
fca177d4 KL |
3479 | if (!tty->TS_bell) |
3480 | tty->TS_bell = "\07"; | |
08a24c47 | 3481 | |
fca177d4 KL |
3482 | if (!tty->TS_fwd_scroll) |
3483 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3484 | |
fca177d4 | 3485 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3486 | |
6548cf00 KL |
3487 | if (TabWidth (tty) < 0) |
3488 | TabWidth (tty) = 8; | |
177c0ea7 | 3489 | |
08a24c47 JB |
3490 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3491 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3492 | if (!tty->Wcm->cm_tab) |
3493 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3494 | */ |
3495 | ||
54800acb MB |
3496 | /* We don't support standout modes that use `magic cookies', so |
3497 | turn off any that do. */ | |
fca177d4 | 3498 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3499 | { |
fca177d4 KL |
3500 | tty->TS_standout_mode = 0; |
3501 | tty->TS_end_standout_mode = 0; | |
54800acb | 3502 | } |
fca177d4 | 3503 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3504 | { |
fca177d4 KL |
3505 | tty->TS_enter_underline_mode = 0; |
3506 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3507 | } |
3508 | ||
3509 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3510 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3511 | { |
fca177d4 KL |
3512 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3513 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3514 | } |
3515 | ||
afd359c4 RS |
3516 | /* If no `se' string, try using a `me' string instead. |
3517 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3518 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3519 | { |
e4bfb3b6 | 3520 | char *s = tgetstr ("me", address); |
afd359c4 | 3521 | if (s != 0) |
fca177d4 | 3522 | tty->TS_end_standout_mode = s; |
afd359c4 | 3523 | else |
fca177d4 | 3524 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3525 | } |
3526 | ||
fca177d4 | 3527 | if (tty->TF_teleray) |
08a24c47 | 3528 | { |
6548cf00 | 3529 | tty->Wcm->cm_tab = 0; |
54800acb | 3530 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3531 | tty->TS_standout_mode = 0; |
08a24c47 | 3532 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3533 | CR (tty) = 0; |
08a24c47 JB |
3534 | /* LF can't be trusted either -- can alter hpos */ |
3535 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3536 | Down (tty) = 0; |
08a24c47 JB |
3537 | } |
3538 | ||
3539 | /* Special handling for certain terminal types known to need it */ | |
3540 | ||
3541 | if (!strcmp (terminal_type, "supdup")) | |
3542 | { | |
6ed8eeff | 3543 | terminal->memory_below_frame = 1; |
6548cf00 | 3544 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3545 | } |
3546 | if (!strncmp (terminal_type, "c10", 3) | |
3547 | || !strcmp (terminal_type, "perq")) | |
3548 | { | |
3549 | /* Supply a makeshift :wi string. | |
3550 | This string is not valid in general since it works only | |
3551 | for windows starting at the upper left corner; | |
3552 | but that is all Emacs uses. | |
3553 | ||
ff11dfa1 | 3554 | This string works only if the frame is using |
08a24c47 JB |
3555 | the top of the video memory, because addressing is memory-relative. |
3556 | So first check the :ti string to see if that is true. | |
3557 | ||
3558 | It would be simpler if the :wi string could go in the termcap | |
3559 | entry, but it can't because it is not fully valid. | |
3560 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3561 | if (!tty->TS_set_window) |
08a24c47 | 3562 | { |
fca177d4 | 3563 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3564 | while (*p && strcmp (p, "\033v ")) |
3565 | p++; | |
3566 | if (*p) | |
fca177d4 | 3567 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3568 | } |
3569 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3570 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3571 | /* :ti string typically fails to have \E^G! in it */ |
3572 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3573 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3574 | strcat (area, "\033\007!"); |
fca177d4 | 3575 | tty->TS_termcap_modes = area; |
08a24c47 | 3576 | area += strlen (area) + 1; |
6548cf00 | 3577 | p = AbsPosition (tty); |
08a24c47 | 3578 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3579 | values above 96 correctly for the C100. */ |
08a24c47 | 3580 | while (*p) |
28d440ab KL |
3581 | { |
3582 | if (p[0] == '%' && p[1] == '+') | |
3583 | p[1] = 'C'; | |
3584 | p++; | |
3585 | } | |
08a24c47 JB |
3586 | } |
3587 | ||
0a125897 | 3588 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3589 | |
6548cf00 | 3590 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3591 | { |
d31eee5e | 3592 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3593 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3594 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3595 | It lacks the ability to position the cursor.\n\ |
3596 | If that is not the actual type of terminal you have,\n\ | |
3597 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3598 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3599 | # ifdef TERMINFO | |
3600 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3601 | # else /* TERMCAP */ |
84164a0d | 3602 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3603 | # endif /* TERMINFO */ |
3224dac1 | 3604 | terminal_type); |
fca177d4 | 3605 | } |
daf01701 | 3606 | |
0a125897 | 3607 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3608 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3609 | "Could not determine the frame size", |
3610 | "Could not determine the frame size"); | |
08a24c47 | 3611 | |
fca177d4 KL |
3612 | tty->delete_in_insert_mode |
3613 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3614 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3615 | |
fca177d4 KL |
3616 | tty->se_is_so = (tty->TS_standout_mode |
3617 | && tty->TS_end_standout_mode | |
3618 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3619 | |
0b0d3e0b | 3620 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3621 | |
6ed8eeff | 3622 | terminal->scroll_region_ok |
6548cf00 | 3623 | = (tty->Wcm->cm_abs |
fca177d4 | 3624 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3625 | |
6ed8eeff | 3626 | terminal->line_ins_del_ok |
fca177d4 KL |
3627 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3628 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3629 | || (terminal->scroll_region_ok |
fca177d4 | 3630 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3631 | |
6ed8eeff | 3632 | terminal->char_ins_del_ok |
fca177d4 KL |
3633 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3634 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3635 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3636 | |
6ed8eeff | 3637 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3638 | |
0b0d3e0b | 3639 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3640 | |
84704c5c | 3641 | #endif /* not DOS_NT */ |
635e3b29 | 3642 | |
0a125897 KL |
3643 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3644 | init_sys_modes (tty); | |
daf01701 | 3645 | |
6ed8eeff | 3646 | return terminal; |
08a24c47 JB |
3647 | } |
3648 | ||
b3ffc17c DN |
3649 | |
3650 | static void | |
3651 | vfatal (const char *str, va_list ap) | |
3652 | { | |
3653 | fprintf (stderr, "emacs: "); | |
3654 | vfprintf (stderr, str, ap); | |
3655 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3656 | fprintf (stderr, "\n"); | |
3657 | va_end (ap); | |
3658 | fflush (stderr); | |
3659 | exit (1); | |
3660 | } | |
3661 | ||
3662 | ||
a4c6993d | 3663 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3664 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3665 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3666 | |
3224dac1 | 3667 | static void |
b3ffc17c DN |
3668 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3669 | const char *str1, const char *str2, ...) | |
3224dac1 | 3670 | { |
b3ffc17c DN |
3671 | va_list ap; |
3672 | va_start (ap, str2); | |
6ed8eeff KL |
3673 | if (terminal) |
3674 | delete_tty (terminal); | |
f4d953fc | 3675 | |
3224dac1 | 3676 | if (must_succeed) |
b3ffc17c | 3677 | vfatal (str2, ap); |
3224dac1 | 3678 | else |
b3ffc17c | 3679 | verror (str1, ap); |
3224dac1 | 3680 | |
b3ffc17c | 3681 | va_end (ap); |
3224dac1 | 3682 | abort (); |
08a24c47 JB |
3683 | } |
3684 | ||
dfcf069d | 3685 | void |
7c401d15 | 3686 | fatal (const char *str, ...) |
08a24c47 | 3687 | { |
7c401d15 DN |
3688 | va_list ap; |
3689 | va_start (ap, str); | |
b3ffc17c | 3690 | vfatal (str, ap); |
7c401d15 | 3691 | va_end (ap); |
08a24c47 | 3692 | } |
07c57952 | 3693 | |
819b8f00 KL |
3694 | \f |
3695 | ||
6ed8eeff | 3696 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3697 | |
ed8dad6b | 3698 | static void |
6ed8eeff | 3699 | delete_tty (struct terminal *terminal) |
072d84a6 | 3700 | { |
428a555e | 3701 | struct tty_display_info *tty; |
f4d953fc | 3702 | |
e2749141 | 3703 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3704 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3705 | if (!terminal->name) |
0a125897 | 3706 | return; |
fca177d4 | 3707 | |
6ed8eeff | 3708 | if (terminal->type != output_termcap) |
428a555e KL |
3709 | abort (); |
3710 | ||
6ed8eeff | 3711 | tty = terminal->display_info.tty; |
f4d953fc | 3712 | |
fca177d4 KL |
3713 | if (tty == tty_list) |
3714 | tty_list = tty->next; | |
3715 | else | |
3716 | { | |
28d7d09f | 3717 | struct tty_display_info *p; |
fca177d4 KL |
3718 | for (p = tty_list; p && p->next != tty; p = p->next) |
3719 | ; | |
3720 | ||
3721 | if (! p) | |
3722 | /* This should not happen. */ | |
3723 | abort (); | |
3724 | ||
0a125897 KL |
3725 | p->next = tty->next; |
3726 | tty->next = 0; | |
fca177d4 KL |
3727 | } |
3728 | ||
7e59217d | 3729 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3730 | before delete_terminal. */ |
04c3243c | 3731 | reset_sys_modes (tty); |
fca177d4 | 3732 | |
6ed8eeff | 3733 | delete_terminal (terminal); |
3224dac1 | 3734 | |
70fdbb46 JM |
3735 | xfree (tty->name); |
3736 | xfree (tty->type); | |
daf01701 | 3737 | |
fca177d4 | 3738 | if (tty->input) |
819b8f00 KL |
3739 | { |
3740 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3741 | if (tty->input != stdin) | |
3742 | fclose (tty->input); | |
3743 | } | |
3744 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3745 | fclose (tty->output); |
3746 | if (tty->termscript) | |
3747 | fclose (tty->termscript); | |
daf01701 | 3748 | |
70fdbb46 JM |
3749 | xfree (tty->old_tty); |
3750 | xfree (tty->Wcm); | |
5f445726 JM |
3751 | xfree (tty->termcap_strings_buffer); |
3752 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3753 | |
72af86bd | 3754 | memset (tty, 0, sizeof (struct tty_display_info)); |
fca177d4 | 3755 | xfree (tty); |
fca177d4 KL |
3756 | } |
3757 | ||
428a555e KL |
3758 | \f |
3759 | ||
28d7d09f | 3760 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3761 | Called by the Fgarbage_collector. */ |
da8e1115 | 3762 | |
fca177d4 | 3763 | void |
ed8dad6b | 3764 | mark_ttys (void) |
fca177d4 | 3765 | { |
28d7d09f | 3766 | struct tty_display_info *tty; |
0c72d684 | 3767 | |
819b8f00 | 3768 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3769 | mark_object (tty->top_frame); |
072d84a6 RS |
3770 | } |
3771 | ||
428a555e KL |
3772 | \f |
3773 | ||
dfcf069d | 3774 | void |
d3da34e0 | 3775 | syms_of_term (void) |
07c57952 | 3776 | { |
7ee72033 MB |
3777 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
3778 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 3779 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3780 | #ifdef TERMINFO |
3781 | system_uses_terminfo = 1; | |
3782 | #else | |
3783 | system_uses_terminfo = 0; | |
3784 | #endif | |
c291d9ef | 3785 | |
e4019195 DN |
3786 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3787 | doc: /* Functions to be run after suspending a tty. | |
fdc496e7 | 3788 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3789 | See `suspend-tty'. */); |
e4019195 | 3790 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3791 | |
3792 | ||
e4019195 DN |
3793 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
3794 | doc: /* Functions to be run after resuming a tty. | |
fdc496e7 | 3795 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3796 | See `resume-tty'. */); |
e4019195 | 3797 | Vresume_tty_functions = Qnil; |
a168702a | 3798 | |
0db017c0 SM |
3799 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
3800 | doc: /* Non-nil means to make the cursor very visible. | |
3801 | This only has an effect when running in a text terminal. | |
3802 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3803 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3804 | visible_cursor = 1; | |
3805 | ||
a168702a | 3806 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3807 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3808 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3809 | defsubr (&Stty_type); |
3810 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3811 | defsubr (&Ssuspend_tty); |
3812 | defsubr (&Sresume_tty); | |
7e5a23bd | 3813 | #ifdef HAVE_GPM |
6178ce5e SM |
3814 | defsubr (&Sgpm_mouse_start); |
3815 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3816 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3817 | |
84704c5c | 3818 | #ifndef DOS_NT |
3a7c5d40 CY |
3819 | default_orig_pair = NULL; |
3820 | default_set_foreground = NULL; | |
3821 | default_set_background = NULL; | |
84704c5c | 3822 | #endif /* !DOS_NT */ |
d31eee5e CY |
3823 | |
3824 | encode_terminal_src = NULL; | |
3825 | encode_terminal_dst = NULL; | |
07c57952 | 3826 | } |
a168702a | 3827 |