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, |
76b6f707 | 3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
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> | |
a168702a | 26 | #include <string.h> |
59b3194c | 27 | #include <errno.h> |
28d440ab | 28 | #include <sys/file.h> |
7eb1e453 | 29 | |
d8b18043 | 30 | #ifdef HAVE_UNISTD_H |
1ec5dc77 | 31 | #include <unistd.h> |
d8b18043 | 32 | #endif |
7ee72033 | 33 | |
67ad74df KL |
34 | #if HAVE_TERMIOS_H |
35 | #include <termios.h> /* For TIOCNOTTY. */ | |
36 | #endif | |
03a1d6bd KL |
37 | |
38 | #include <signal.h> | |
7c401d15 | 39 | #include <stdarg.h> |
0c72d684 | 40 | |
9628b887 | 41 | #include "lisp.h" |
08a24c47 JB |
42 | #include "termchar.h" |
43 | #include "termopts.h" | |
9332ea03 KH |
44 | #include "buffer.h" |
45 | #include "character.h" | |
a4decb7f KH |
46 | #include "charset.h" |
47 | #include "coding.h" | |
4c12d738 | 48 | #include "composite.h" |
2538fae4 | 49 | #include "keyboard.h" |
ff11dfa1 | 50 | #include "frame.h" |
08a24c47 JB |
51 | #include "disptab.h" |
52 | #include "termhooks.h" | |
dfcf069d | 53 | #include "dispextern.h" |
a168702a | 54 | #include "window.h" |
8feddab4 | 55 | #include "keymap.h" |
1a935bfd | 56 | #include "blockinput.h" |
03a1d6bd KL |
57 | #include "syssignal.h" |
58 | #include "systty.h" | |
c9612b8e | 59 | #include "intervals.h" |
84704c5c EZ |
60 | #ifdef MSDOS |
61 | #include "msdos.h" | |
62 | static int been_here = -1; | |
63 | #endif | |
a168702a | 64 | |
ff23e1dd GM |
65 | /* For now, don't try to include termcap.h. On some systems, |
66 | configure finds a non-standard termcap.h that the main build | |
67 | won't find. */ | |
68 | ||
69 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 70 | #include <termcap.h> |
46d1b2bc DL |
71 | #else |
72 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
73 | extern int tgetent P_ ((char *, const char *)); | |
74 | extern int tgetflag P_ ((char *id)); | |
75 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
76 | #endif |
77 | ||
eccec691 | 78 | #include "cm.h" |
dfcf069d AS |
79 | #ifdef HAVE_X_WINDOWS |
80 | #include "xterm.h" | |
81 | #endif | |
c8951b18 | 82 | |
28d440ab KL |
83 | #ifndef O_RDWR |
84 | #define O_RDWR 2 | |
85 | #endif | |
6b61353c | 86 | |
0c72d684 KL |
87 | #ifndef O_NOCTTY |
88 | #define O_NOCTTY 0 | |
89 | #endif | |
6b61353c | 90 | |
78048085 EZ |
91 | /* The name of the default console device. */ |
92 | #ifdef WINDOWSNT | |
93 | #define DEV_TTY "CONOUT$" | |
94 | #else | |
95 | #define DEV_TTY "/dev/tty" | |
96 | #endif | |
a168702a | 97 | |
ed8dad6b | 98 | static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop)); |
a168702a GM |
99 | static void turn_on_face P_ ((struct frame *, int face_id)); |
100 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
101 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
102 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
ed8dad6b | 103 | static void tty_background_highlight P_ ((struct tty_display_info *tty)); |
4a665758 KL |
104 | static void clear_tty_hooks P_ ((struct terminal *terminal)); |
105 | static void set_tty_hooks P_ ((struct terminal *terminal)); | |
ed8dad6b | 106 | static void dissociate_if_controlling_tty P_ ((int fd)); |
6ed8eeff | 107 | static void delete_tty P_ ((struct terminal *)); |
a168702a | 108 | |
6548cf00 KL |
109 | #define OUTPUT(tty, a) \ |
110 | emacs_tputs ((tty), a, \ | |
111 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
112 | - curY (tty)), \ | |
113 | cmputc) | |
114 | ||
28d440ab KL |
115 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
116 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 117 | |
28d440ab | 118 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
119 | do { \ |
120 | if (a) \ | |
121 | emacs_tputs ((tty), a, \ | |
122 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
123 | - curY (tty) ), \ | |
124 | cmputc); \ | |
125 | } while (0) | |
177c0ea7 | 126 | |
28d440ab | 127 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 128 | |
0db017c0 SM |
129 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
130 | ||
131 | static int visible_cursor; | |
132 | ||
f46c2aff | 133 | /* Display space properties */ |
08a24c47 | 134 | |
f46c2aff | 135 | extern Lisp_Object Qspace, QCalign_to, QCwidth; |
08a24c47 | 136 | |
0b0d3e0b | 137 | /* Functions to call after suspending a tty. */ |
e4019195 | 138 | Lisp_Object Vsuspend_tty_functions; |
08a24c47 | 139 | |
0b0d3e0b | 140 | /* Functions to call after resuming a tty. */ |
e4019195 | 141 | Lisp_Object Vresume_tty_functions; |
08a24c47 | 142 | |
428a555e | 143 | /* Chain of all tty device parameters. */ |
28d7d09f | 144 | struct tty_display_info *tty_list; |
08a24c47 | 145 | |
fca177d4 KL |
146 | /* Nonzero means no need to redraw the entire frame on resuming a |
147 | suspended Emacs. This is useful on terminals with multiple | |
148 | pages, where one page is used for Emacs and another for all | |
149 | else. */ | |
08a24c47 | 150 | int no_redraw_on_reenter; |
4e6ba4a4 GM |
151 | |
152 | /* Meaning of bits in no_color_video. Each bit set means that the | |
153 | corresponding attribute cannot be combined with colors. */ | |
154 | ||
155 | enum no_color_bit | |
156 | { | |
157 | NC_STANDOUT = 1 << 0, | |
158 | NC_UNDERLINE = 1 << 1, | |
159 | NC_REVERSE = 1 << 2, | |
160 | NC_BLINK = 1 << 3, | |
161 | NC_DIM = 1 << 4, | |
162 | NC_BOLD = 1 << 5, | |
163 | NC_INVIS = 1 << 6, | |
164 | NC_PROTECT = 1 << 7, | |
165 | NC_ALT_CHARSET = 1 << 8 | |
166 | }; | |
167 | ||
08a24c47 JB |
168 | /* internal state */ |
169 | ||
8dd0c7cb | 170 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 171 | |
9882535b | 172 | int max_frame_cols; |
a168702a | 173 | |
8dd0c7cb | 174 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 175 | |
9882535b | 176 | int max_frame_lines; |
8dd0c7cb | 177 | |
0c72d684 KL |
178 | /* Non-zero if we have dropped our controlling tty and therefore |
179 | should not open a frame on stdout. */ | |
180 | static int no_controlling_tty; | |
08a24c47 | 181 | |
07c57952 | 182 | /* Provided for lisp packages. */ |
a168702a | 183 | |
07c57952 KH |
184 | static int system_uses_terminfo; |
185 | ||
08a24c47 | 186 | char *tparam (); |
e4bfb3b6 RS |
187 | |
188 | extern char *tgetstr (); | |
08a24c47 | 189 | \f |
cb28b9c2 | 190 | |
7e5a23bd | 191 | #ifdef HAVE_GPM |
e882229c | 192 | #include <sys/fcntl.h> |
e882229c | 193 | |
b870aa61 SM |
194 | static void term_clear_mouse_face (); |
195 | static void term_mouse_highlight (struct frame *f, int x, int y); | |
196 | ||
71f44e7a SM |
197 | /* The device for which we have enabled gpm support (or NULL). */ |
198 | struct tty_display_info *gpm_tty = NULL; | |
e882229c NR |
199 | |
200 | /* These variables describe the range of text currently shown in its | |
201 | mouse-face, together with the window they apply to. As long as | |
202 | the mouse stays within this range, we need not redraw anything on | |
203 | its account. Rows and columns are glyph matrix positions in | |
204 | MOUSE_FACE_WINDOW. */ | |
205 | static int mouse_face_beg_row, mouse_face_beg_col; | |
206 | static int mouse_face_end_row, mouse_face_end_col; | |
207 | static int mouse_face_past_end; | |
6178ce5e | 208 | static Lisp_Object mouse_face_window; |
e882229c NR |
209 | static int mouse_face_face_id; |
210 | ||
e882229c NR |
211 | static int pos_x, pos_y; |
212 | static int last_mouse_x, last_mouse_y; | |
7e5a23bd | 213 | #endif /* HAVE_GPM */ |
e882229c | 214 | |
da8e1115 | 215 | /* Ring the bell on a tty. */ |
c291d9ef | 216 | |
ed8dad6b | 217 | static void |
385ed61f | 218 | tty_ring_bell (struct frame *f) |
3224dac1 | 219 | { |
3224dac1 | 220 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 221 | |
b6660415 KL |
222 | if (tty->output) |
223 | { | |
224 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
225 | ? tty->TS_visible_bell | |
226 | : tty->TS_bell)); | |
227 | fflush (tty->output); | |
08a24c47 | 228 | } |
08a24c47 JB |
229 | } |
230 | ||
da8e1115 KL |
231 | /* Set up termcap modes for Emacs. */ |
232 | ||
dfcf069d | 233 | void |
6ed8eeff | 234 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 235 | { |
6ed8eeff | 236 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 237 | |
0b0d3e0b | 238 | if (tty->output) |
08a24c47 | 239 | { |
fbf34973 KL |
240 | if (tty->TS_termcap_modes) |
241 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 242 | else |
fbf34973 KL |
243 | { |
244 | /* Output enough newlines to scroll all the old screen contents | |
245 | off the screen, so it won't be overwritten and lost. */ | |
246 | int i; | |
a3c07f68 | 247 | current_tty = tty; |
fbf34973 | 248 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 249 | cmputc ('\n'); |
fbf34973 KL |
250 | } |
251 | ||
0b0d3e0b | 252 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
b58cb614 | 253 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
254 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
255 | losecursor (tty); | |
2f98e6e3 | 256 | fflush (tty->output); |
08a24c47 | 257 | } |
08a24c47 JB |
258 | } |
259 | ||
da8e1115 KL |
260 | /* Reset termcap modes before exiting Emacs. */ |
261 | ||
dfcf069d | 262 | void |
6ed8eeff | 263 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 264 | { |
6ed8eeff | 265 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
266 | |
267 | if (tty->output) | |
08a24c47 | 268 | { |
ed8dad6b KL |
269 | tty_turn_off_highlight (tty); |
270 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
271 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
272 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
273 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
274 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 275 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 276 | current_tty = tty; |
d284f58f | 277 | cmputc ('\r'); |
2f98e6e3 | 278 | fflush (tty->output); |
08a24c47 | 279 | } |
08a24c47 JB |
280 | } |
281 | ||
6ed8eeff | 282 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 283 | |
ed8dad6b | 284 | static void |
3224dac1 | 285 | tty_update_end (struct frame *f) |
08a24c47 | 286 | { |
3224dac1 | 287 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 288 | |
3224dac1 KL |
289 | if (!XWINDOW (selected_window)->cursor_off_p) |
290 | tty_show_cursor (tty); | |
ed8dad6b KL |
291 | tty_turn_off_insert (tty); |
292 | tty_background_highlight (tty); | |
08a24c47 JB |
293 | } |
294 | ||
da8e1115 KL |
295 | /* The implementation of set_terminal_window for termcap frames. */ |
296 | ||
ed8dad6b | 297 | static void |
385ed61f | 298 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 299 | { |
3224dac1 KL |
300 | struct tty_display_info *tty = FRAME_TTY (f); |
301 | ||
302 | tty->specified_window = size ? size : FRAME_LINES (f); | |
303 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 304 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
305 | } |
306 | ||
ed8dad6b KL |
307 | static void |
308 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
309 | { |
310 | char *buf; | |
28d7d09f | 311 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 312 | |
fca177d4 KL |
313 | if (tty->TS_set_scroll_region) |
314 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
315 | else if (tty->TS_set_scroll_region_1) | |
316 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
317 | FRAME_LINES (f), start, |
318 | FRAME_LINES (f) - stop, | |
319 | FRAME_LINES (f)); | |
08a24c47 | 320 | else |
fca177d4 | 321 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 322 | |
6548cf00 | 323 | OUTPUT (tty, buf); |
9ac0d9e0 | 324 | xfree (buf); |
6548cf00 | 325 | losecursor (tty); |
08a24c47 | 326 | } |
d284f58f | 327 | |
08a24c47 | 328 | \f |
d284f58f | 329 | static void |
ed8dad6b | 330 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 331 | { |
fca177d4 KL |
332 | if (!tty->insert_mode) |
333 | OUTPUT (tty, tty->TS_insert_mode); | |
334 | tty->insert_mode = 1; | |
08a24c47 JB |
335 | } |
336 | ||
dfcf069d | 337 | void |
ed8dad6b | 338 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 339 | { |
fca177d4 KL |
340 | if (tty->insert_mode) |
341 | OUTPUT (tty, tty->TS_end_insert_mode); | |
342 | tty->insert_mode = 0; | |
08a24c47 JB |
343 | } |
344 | \f | |
54800acb | 345 | /* Handle highlighting. */ |
08a24c47 | 346 | |
dfcf069d | 347 | void |
ed8dad6b | 348 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 349 | { |
fca177d4 KL |
350 | if (tty->standout_mode) |
351 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
352 | tty->standout_mode = 0; | |
08a24c47 JB |
353 | } |
354 | ||
d284f58f | 355 | static void |
ed8dad6b | 356 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 357 | { |
fca177d4 KL |
358 | if (!tty->standout_mode) |
359 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
360 | tty->standout_mode = 1; | |
08a24c47 JB |
361 | } |
362 | ||
86a7d192 | 363 | static void |
ed8dad6b | 364 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 365 | { |
fca177d4 | 366 | if (tty->standout_mode) |
ed8dad6b | 367 | tty_turn_off_highlight (tty); |
86a7d192 | 368 | else |
ed8dad6b | 369 | tty_turn_on_highlight (tty); |
86a7d192 GM |
370 | } |
371 | ||
a168702a GM |
372 | |
373 | /* Make cursor invisible. */ | |
374 | ||
375 | static void | |
28d7d09f | 376 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 377 | { |
fca177d4 | 378 | if (tty->cursor_hidden == 0) |
d284f58f | 379 | { |
fca177d4 KL |
380 | tty->cursor_hidden = 1; |
381 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 382 | } |
a168702a GM |
383 | } |
384 | ||
385 | ||
386 | /* Ensure that cursor is visible. */ | |
387 | ||
388 | static void | |
28d7d09f | 389 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 390 | { |
fca177d4 | 391 | if (tty->cursor_hidden) |
d284f58f | 392 | { |
fca177d4 KL |
393 | tty->cursor_hidden = 0; |
394 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 395 | if (visible_cursor) |
b58cb614 | 396 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 397 | } |
a168702a GM |
398 | } |
399 | ||
400 | ||
08a24c47 JB |
401 | /* Set standout mode to the state it should be in for |
402 | empty space inside windows. What this is, | |
403 | depends on the user option inverse-video. */ | |
404 | ||
ed8dad6b KL |
405 | static void |
406 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 407 | { |
08a24c47 | 408 | if (inverse_video) |
ed8dad6b | 409 | tty_turn_on_highlight (tty); |
08a24c47 | 410 | else |
ed8dad6b | 411 | tty_turn_off_highlight (tty); |
08a24c47 JB |
412 | } |
413 | ||
414 | /* Set standout mode to the mode specified for the text to be output. */ | |
415 | ||
dfcf069d | 416 | static void |
ed8dad6b | 417 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 418 | { |
8ede64a5 | 419 | if (inverse_video) |
ed8dad6b | 420 | tty_turn_on_highlight (tty); |
8ede64a5 | 421 | else |
ed8dad6b | 422 | tty_turn_off_highlight (tty); |
08a24c47 JB |
423 | } |
424 | \f | |
425 | ||
a168702a GM |
426 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
427 | frame-relative coordinates. */ | |
08a24c47 | 428 | |
ed8dad6b | 429 | static void |
385ed61f | 430 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 431 | { |
3224dac1 | 432 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 433 | |
36cae867 KH |
434 | /* Detect the case where we are called from reset_sys_modes |
435 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 436 | if (! tty->costs_set) |
36cae867 KH |
437 | return; |
438 | ||
6548cf00 KL |
439 | if (curY (tty) == vpos |
440 | && curX (tty) == hpos) | |
08a24c47 | 441 | return; |
fca177d4 | 442 | if (!tty->TF_standout_motion) |
ed8dad6b | 443 | tty_background_highlight (tty); |
fca177d4 | 444 | if (!tty->TF_insmode_motion) |
ed8dad6b | 445 | tty_turn_off_insert (tty); |
6548cf00 | 446 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
447 | } |
448 | ||
449 | /* Similar but don't take any account of the wasted characters. */ | |
450 | ||
ed8dad6b | 451 | static void |
385ed61f | 452 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 453 | { |
3224dac1 KL |
454 | struct tty_display_info *tty = FRAME_TTY (f); |
455 | ||
6548cf00 KL |
456 | if (curY (tty) == row |
457 | && curX (tty) == col) | |
08a24c47 | 458 | return; |
fca177d4 | 459 | if (!tty->TF_standout_motion) |
ed8dad6b | 460 | tty_background_highlight (tty); |
fca177d4 | 461 | if (!tty->TF_insmode_motion) |
ed8dad6b | 462 | tty_turn_off_insert (tty); |
6548cf00 | 463 | cmgoto (tty, row, col); |
08a24c47 JB |
464 | } |
465 | \f | |
466 | /* Erase operations */ | |
467 | ||
da8e1115 KL |
468 | /* Clear from cursor to end of frame on a termcap device. */ |
469 | ||
ed8dad6b | 470 | static void |
385ed61f | 471 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
472 | { |
473 | register int i; | |
3224dac1 | 474 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 475 | |
fca177d4 | 476 | if (tty->TS_clr_to_bottom) |
08a24c47 | 477 | { |
ed8dad6b | 478 | tty_background_highlight (tty); |
fca177d4 | 479 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
480 | } |
481 | else | |
482 | { | |
6548cf00 | 483 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 484 | { |
385ed61f KL |
485 | cursor_to (f, i, 0); |
486 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
487 | } |
488 | } | |
489 | } | |
490 | ||
da8e1115 | 491 | /* Clear an entire termcap frame. */ |
08a24c47 | 492 | |
ed8dad6b | 493 | static void |
385ed61f | 494 | tty_clear_frame (struct frame *f) |
08a24c47 | 495 | { |
3224dac1 | 496 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 497 | |
fca177d4 | 498 | if (tty->TS_clr_frame) |
08a24c47 | 499 | { |
ed8dad6b | 500 | tty_background_highlight (tty); |
fca177d4 | 501 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 502 | cmat (tty, 0, 0); |
08a24c47 JB |
503 | } |
504 | else | |
505 | { | |
385ed61f KL |
506 | cursor_to (f, 0, 0); |
507 | clear_to_end (f); | |
08a24c47 JB |
508 | } |
509 | } | |
510 | ||
da8e1115 | 511 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
512 | |
513 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
514 | ||
ed8dad6b | 515 | static void |
385ed61f | 516 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
517 | { |
518 | register int i; | |
3224dac1 | 519 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 520 | |
36cae867 KH |
521 | /* Detect the case where we are called from reset_sys_modes |
522 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 523 | if (! tty->costs_set) |
36cae867 KH |
524 | return; |
525 | ||
6548cf00 | 526 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 527 | return; |
ed8dad6b | 528 | tty_background_highlight (tty); |
fca177d4 | 529 | if (tty->TS_clr_line) |
08a24c47 | 530 | { |
fca177d4 | 531 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
532 | } |
533 | else | |
534 | { /* have to do it the hard way */ | |
ed8dad6b | 535 | tty_turn_off_insert (tty); |
08a24c47 | 536 | |
a168702a | 537 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 538 | if (AutoWrap (tty) |
0a125897 KL |
539 | && curY (tty) == FrameRows (tty) - 1 |
540 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
541 | first_unused_hpos--; |
542 | ||
6548cf00 | 543 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 544 | { |
0b0d3e0b KL |
545 | if (tty->termscript) |
546 | fputc (' ', tty->termscript); | |
547 | fputc (' ', tty->output); | |
08a24c47 | 548 | } |
6548cf00 | 549 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
550 | } |
551 | } | |
552 | \f | |
288d5132 KH |
553 | /* Buffers to store the source and result of code conversion for terminal. */ |
554 | static unsigned char *encode_terminal_src; | |
555 | static unsigned char *encode_terminal_dst; | |
556 | /* Allocated sizes of the above buffers. */ | |
557 | static int encode_terminal_src_size; | |
558 | static int encode_terminal_dst_size; | |
559 | ||
560 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
561 | Set CODING->produced to the byte-length of the resulting byte | |
562 | sequence, and return a pointer to that byte sequence. */ | |
563 | ||
564 | unsigned char * | |
565 | encode_terminal_code (src, src_len, coding) | |
a168702a | 566 | struct glyph *src; |
a4decb7f | 567 | int src_len; |
288d5132 | 568 | struct coding_system *coding; |
a4decb7f | 569 | { |
feef4f84 | 570 | struct glyph *src_end = src + src_len; |
288d5132 KH |
571 | unsigned char *buf; |
572 | int nchars, nbytes, required; | |
a4decb7f KH |
573 | register int tlen = GLYPH_TABLE_LENGTH; |
574 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 575 | Lisp_Object charset_list; |
c5a518df | 576 | |
288d5132 KH |
577 | /* Allocate sufficient size of buffer to store all characters in |
578 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
579 | Vglyph_table contains a string or a composite glyph is |
580 | encountered. */ | |
288d5132 KH |
581 | required = MAX_MULTIBYTE_LENGTH * src_len; |
582 | if (encode_terminal_src_size < required) | |
583 | { | |
d31eee5e | 584 | if (encode_terminal_src) |
288d5132 | 585 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
586 | else |
587 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
588 | encode_terminal_src_size = required; |
589 | } | |
6589fd67 | 590 | |
288d5132 | 591 | charset_list = coding_charset_list (coding); |
a4decb7f | 592 | |
288d5132 KH |
593 | buf = encode_terminal_src; |
594 | nchars = 0; | |
595 | while (src < src_end) | |
a4decb7f | 596 | { |
4c12d738 KH |
597 | if (src->type == COMPOSITE_GLYPH) |
598 | { | |
75a10786 KH |
599 | struct composition *cmp; |
600 | Lisp_Object gstring; | |
4c12d738 KH |
601 | int i; |
602 | ||
603 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
604 | if (src->u.cmp.automatic) |
605 | { | |
606 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
607 | required = src->u.cmp.to - src->u.cmp.from; | |
608 | } | |
609 | else | |
610 | { | |
611 | cmp = composition_table[src->u.cmp.id]; | |
612 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
613 | } | |
4c12d738 KH |
614 | |
615 | if (encode_terminal_src_size < nbytes + required) | |
616 | { | |
617 | encode_terminal_src_size = nbytes + required; | |
618 | encode_terminal_src = xrealloc (encode_terminal_src, | |
619 | encode_terminal_src_size); | |
620 | buf = encode_terminal_src + nbytes; | |
621 | } | |
622 | ||
75a10786 KH |
623 | if (src->u.cmp.automatic) |
624 | for (i = src->u.cmp.from; i < src->u.cmp.to; i++) | |
625 | { | |
626 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
627 | int c = LGLYPH_CHAR (g); | |
628 | ||
629 | if (! char_charset (c, charset_list, NULL)) | |
630 | break; | |
631 | buf += CHAR_STRING (c, buf); | |
632 | nchars++; | |
633 | } | |
634 | else | |
635 | for (i = 0; i < cmp->glyph_len; i++) | |
636 | { | |
637 | int c = COMPOSITION_GLYPH (cmp, i); | |
638 | ||
639 | if (! char_charset (c, charset_list, NULL)) | |
640 | break; | |
641 | buf += CHAR_STRING (c, buf); | |
642 | nchars++; | |
643 | } | |
4c12d738 KH |
644 | if (i == 0) |
645 | { | |
646 | /* The first character of the composition is not encodable. */ | |
647 | *buf++ = '?'; | |
648 | nchars++; | |
649 | } | |
650 | } | |
a4decb7f | 651 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 652 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 653 | { |
f4d953fc | 654 | GLYPH g; |
288d5132 KH |
655 | int c; |
656 | Lisp_Object string; | |
657 | ||
4ae0a2c0 | 658 | string = Qnil; |
f4d953fc | 659 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 660 | |
f4d953fc | 661 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 662 | { |
f185a758 | 663 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
664 | c = src->u.ch; |
665 | } | |
32de38e4 | 666 | else |
a4decb7f | 667 | { |
32de38e4 | 668 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
669 | so process any alias before testing for simpleness. */ |
670 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
671 | |
672 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
673 | /* We set the multi-byte form of a character in G |
674 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 675 | c = GLYPH_CHAR (g); |
32de38e4 | 676 | else |
4ae0a2c0 | 677 | /* We have a string in Vglyph_table. */ |
f4d953fc | 678 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 679 | } |
177c0ea7 | 680 | |
4ae0a2c0 | 681 | if (NILP (string)) |
c42869c4 | 682 | { |
4c12d738 KH |
683 | nbytes = buf - encode_terminal_src; |
684 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
685 | { | |
686 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
687 | encode_terminal_src = xrealloc (encode_terminal_src, | |
688 | encode_terminal_src_size); | |
689 | buf = encode_terminal_src + nbytes; | |
690 | } | |
288d5132 | 691 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 692 | { |
288d5132 KH |
693 | /* Store the multibyte form of C at BUF. */ |
694 | buf += CHAR_STRING (c, buf); | |
695 | nchars++; | |
c5a518df KH |
696 | } |
697 | else | |
698 | { | |
288d5132 KH |
699 | /* C is not encodable. */ |
700 | *buf++ = '?'; | |
c5a518df | 701 | nchars++; |
288d5132 KH |
702 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
703 | { | |
704 | *buf++ = '?'; | |
705 | nchars++; | |
706 | src++; | |
707 | } | |
c5a518df | 708 | } |
4ae0a2c0 KH |
709 | } |
710 | else | |
711 | { | |
288d5132 KH |
712 | unsigned char *p = SDATA (string), *pend = p + SBYTES (string); |
713 | ||
714 | if (! STRING_MULTIBYTE (string)) | |
715 | string = string_to_multibyte (string); | |
716 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 717 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 718 | { |
288d5132 KH |
719 | encode_terminal_src_size = nbytes + SBYTES (string); |
720 | encode_terminal_src = xrealloc (encode_terminal_src, | |
721 | encode_terminal_src_size); | |
722 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 723 | } |
288d5132 KH |
724 | bcopy (SDATA (string), buf, SBYTES (string)); |
725 | buf += SBYTES (string); | |
726 | nchars += SCHARS (string); | |
c42869c4 | 727 | } |
a4decb7f | 728 | } |
288d5132 KH |
729 | src++; |
730 | } | |
731 | ||
732 | if (nchars == 0) | |
733 | { | |
734 | coding->produced = 0; | |
735 | return NULL; | |
a4decb7f | 736 | } |
177c0ea7 | 737 | |
288d5132 KH |
738 | nbytes = buf - encode_terminal_src; |
739 | coding->source = encode_terminal_src; | |
740 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 741 | { |
288d5132 | 742 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
743 | if (encode_terminal_dst) |
744 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
745 | encode_terminal_dst_size); | |
746 | else | |
747 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 748 | } |
288d5132 KH |
749 | coding->destination = encode_terminal_dst; |
750 | coding->dst_bytes = encode_terminal_dst_size; | |
751 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 752 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
753 | encode_terminal_dst = coding->destination; |
754 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 755 | |
288d5132 | 756 | return (encode_terminal_dst); |
a4decb7f KH |
757 | } |
758 | ||
08a24c47 | 759 | |
c73bd236 | 760 | |
da8e1115 KL |
761 | /* An implementation of write_glyphs for termcap frames. */ |
762 | ||
ed8dad6b | 763 | static void |
385ed61f | 764 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 765 | { |
288d5132 KH |
766 | unsigned char *conversion_buffer; |
767 | struct coding_system *coding; | |
08a24c47 | 768 | |
3224dac1 | 769 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 770 | |
ed8dad6b | 771 | tty_turn_off_insert (tty); |
fca177d4 | 772 | tty_hide_cursor (tty); |
08a24c47 | 773 | |
a168702a | 774 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 775 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 776 | |
6548cf00 KL |
777 | if (AutoWrap (tty) |
778 | && curY (tty) + 1 == FRAME_LINES (f) | |
779 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 780 | len --; |
a4decb7f KH |
781 | if (len <= 0) |
782 | return; | |
08a24c47 | 783 | |
6548cf00 | 784 | cmplus (tty, len); |
177c0ea7 | 785 | |
af645abf KH |
786 | /* If terminal_coding does any conversion, use it, otherwise use |
787 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
788 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
789 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
790 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
791 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
792 | the tail. */ | |
af645abf | 793 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 794 | |
a4decb7f | 795 | while (len > 0) |
08a24c47 | 796 | { |
a168702a | 797 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 798 | int face_id = string->face_id; |
a168702a | 799 | int n; |
177c0ea7 | 800 | |
a168702a | 801 | for (n = 1; n < len; ++n) |
32de38e4 | 802 | if (string[n].face_id != face_id) |
a168702a GM |
803 | break; |
804 | ||
805 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 806 | tty_highlight_if_desired (tty); |
a168702a GM |
807 | turn_on_face (f, face_id); |
808 | ||
288d5132 KH |
809 | if (n == len) |
810 | /* This is the last run. */ | |
811 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
812 | conversion_buffer = encode_terminal_code (string, n, coding); | |
813 | if (coding->produced > 0) | |
08a24c47 | 814 | { |
1a935bfd | 815 | BLOCK_INPUT; |
fad2f685 KL |
816 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
817 | if (ferror (tty->output)) | |
818 | clearerr (tty->output); | |
819 | if (tty->termscript) | |
820 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 821 | UNBLOCK_INPUT; |
08a24c47 | 822 | } |
288d5132 KH |
823 | len -= n; |
824 | string += n; | |
a168702a GM |
825 | |
826 | /* Turn appearance modes off. */ | |
827 | turn_off_face (f, face_id); | |
ed8dad6b | 828 | tty_turn_off_highlight (tty); |
a4decb7f | 829 | } |
177c0ea7 | 830 | |
6548cf00 | 831 | cmcheckmagic (tty); |
08a24c47 JB |
832 | } |
833 | ||
b870aa61 SM |
834 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
835 | ||
7be1c21a MB |
836 | static void |
837 | tty_write_glyphs_with_face (f, string, len, face_id) | |
838 | register struct frame *f; | |
e882229c NR |
839 | register struct glyph *string; |
840 | register int len, face_id; | |
841 | { | |
e882229c NR |
842 | unsigned char *conversion_buffer; |
843 | struct coding_system *coding; | |
844 | ||
7be1c21a MB |
845 | struct tty_display_info *tty = FRAME_TTY (f); |
846 | ||
847 | tty_turn_off_insert (tty); | |
848 | tty_hide_cursor (tty); | |
e882229c NR |
849 | |
850 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
851 | since that would scroll the whole frame on some terminals. */ | |
852 | ||
7be1c21a MB |
853 | if (AutoWrap (tty) |
854 | && curY (tty) + 1 == FRAME_LINES (f) | |
855 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
856 | len --; |
857 | if (len <= 0) | |
858 | return; | |
859 | ||
7be1c21a | 860 | cmplus (tty, len); |
e882229c NR |
861 | |
862 | /* If terminal_coding does any conversion, use it, otherwise use | |
863 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
864 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
865 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
866 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
867 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
868 | the tail. */ | |
869 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
870 | ||
e882229c | 871 | /* Turn appearance modes of the face. */ |
7be1c21a | 872 | tty_highlight_if_desired (tty); |
e882229c NR |
873 | turn_on_face (f, face_id); |
874 | ||
875 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
876 | conversion_buffer = encode_terminal_code (string, len, coding); | |
877 | if (coding->produced > 0) | |
878 | { | |
879 | BLOCK_INPUT; | |
7be1c21a MB |
880 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
881 | if (ferror (tty->output)) | |
882 | clearerr (tty->output); | |
883 | if (tty->termscript) | |
884 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
885 | UNBLOCK_INPUT; |
886 | } | |
887 | ||
888 | /* Turn appearance modes off. */ | |
889 | turn_off_face (f, face_id); | |
7be1c21a | 890 | tty_turn_off_highlight (tty); |
e882229c | 891 | |
7be1c21a | 892 | cmcheckmagic (tty); |
e882229c | 893 | } |
b870aa61 | 894 | #endif |
e882229c | 895 | |
da8e1115 | 896 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 897 | |
ed8dad6b | 898 | static void |
385ed61f | 899 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
900 | { |
901 | char *buf; | |
6bbd7a29 | 902 | struct glyph *glyph = NULL; |
af645abf KH |
903 | unsigned char *conversion_buffer; |
904 | unsigned char space[1]; | |
905 | struct coding_system *coding; | |
08a24c47 | 906 | |
3224dac1 | 907 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 908 | |
fca177d4 | 909 | if (tty->TS_ins_multi_chars) |
08a24c47 | 910 | { |
fca177d4 | 911 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 912 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 913 | xfree (buf); |
08a24c47 | 914 | if (start) |
385ed61f | 915 | write_glyphs (f, start, len); |
08a24c47 JB |
916 | return; |
917 | } | |
918 | ||
ed8dad6b | 919 | tty_turn_on_insert (tty); |
6548cf00 | 920 | cmplus (tty, len); |
288d5132 KH |
921 | |
922 | if (! start) | |
923 | space[0] = SPACEGLYPH; | |
924 | ||
925 | /* If terminal_coding does any conversion, use it, otherwise use | |
926 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
927 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
928 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
929 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
930 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
931 | the tail. */ | |
932 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
933 | ||
07109bf9 | 934 | while (len-- > 0) |
08a24c47 | 935 | { |
fca177d4 | 936 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 937 | if (!start) |
32de38e4 | 938 | { |
288d5132 KH |
939 | conversion_buffer = space; |
940 | coding->produced = 1; | |
32de38e4 | 941 | } |
08a24c47 | 942 | else |
08a24c47 | 943 | { |
ed8dad6b | 944 | tty_highlight_if_desired (tty); |
32de38e4 | 945 | turn_on_face (f, start->face_id); |
816be8b8 | 946 | glyph = start; |
a168702a | 947 | ++start; |
a4decb7f KH |
948 | /* We must open sufficient space for a character which |
949 | occupies more than one column. */ | |
a168702a | 950 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 951 | { |
fca177d4 | 952 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
953 | start++, len--; |
954 | } | |
288d5132 KH |
955 | |
956 | if (len <= 0) | |
957 | /* This is the last glyph. */ | |
958 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
959 | ||
fad2f685 | 960 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 961 | } |
a4decb7f | 962 | |
288d5132 | 963 | if (coding->produced > 0) |
08a24c47 | 964 | { |
1a935bfd | 965 | BLOCK_INPUT; |
fad2f685 | 966 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
967 | if (ferror (tty->output)) |
968 | clearerr (tty->output); | |
969 | if (tty->termscript) | |
fad2f685 | 970 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 971 | UNBLOCK_INPUT; |
08a24c47 JB |
972 | } |
973 | ||
fca177d4 | 974 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 975 | if (start) |
65aa5e85 GM |
976 | { |
977 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 978 | tty_turn_off_highlight (tty); |
65aa5e85 | 979 | } |
9a6b6f92 | 980 | } |
177c0ea7 | 981 | |
6548cf00 | 982 | cmcheckmagic (tty); |
08a24c47 JB |
983 | } |
984 | ||
da8e1115 KL |
985 | /* An implementation of delete_glyphs for termcap frames. */ |
986 | ||
ed8dad6b | 987 | static void |
385ed61f | 988 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
989 | { |
990 | char *buf; | |
991 | register int i; | |
992 | ||
3224dac1 | 993 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 994 | |
fca177d4 | 995 | if (tty->delete_in_insert_mode) |
08a24c47 | 996 | { |
ed8dad6b | 997 | tty_turn_on_insert (tty); |
08a24c47 JB |
998 | } |
999 | else | |
1000 | { | |
ed8dad6b | 1001 | tty_turn_off_insert (tty); |
fca177d4 | 1002 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
1003 | } |
1004 | ||
fca177d4 | 1005 | if (tty->TS_del_multi_chars) |
08a24c47 | 1006 | { |
fca177d4 | 1007 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 1008 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 1009 | xfree (buf); |
08a24c47 JB |
1010 | } |
1011 | else | |
1012 | for (i = 0; i < n; i++) | |
fca177d4 KL |
1013 | OUTPUT1 (tty, tty->TS_del_char); |
1014 | if (!tty->delete_in_insert_mode) | |
1015 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
1016 | } |
1017 | \f | |
da8e1115 | 1018 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 1019 | |
ed8dad6b | 1020 | static void |
385ed61f | 1021 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 1022 | { |
3224dac1 KL |
1023 | struct tty_display_info *tty = FRAME_TTY (f); |
1024 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1025 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1026 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1027 | |
1028 | register int i = n > 0 ? n : -n; | |
1029 | register char *buf; | |
1030 | ||
08a24c47 JB |
1031 | /* If the lines below the insertion are being pushed |
1032 | into the end of the window, this is the same as clearing; | |
1033 | and we know the lines are already clear, since the matching | |
1034 | deletion has already been done. So can ignore this. */ | |
1035 | /* If the lines below the deletion are blank lines coming | |
1036 | out of the end of the window, don't bother, | |
1037 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1038 | if (FRAME_SCROLL_REGION_OK (f) |
1039 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1040 | return; |
3224dac1 KL |
1041 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1042 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1043 | return; |
f4d953fc | 1044 | |
08a24c47 JB |
1045 | if (multi) |
1046 | { | |
6839f1e2 | 1047 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1048 | tty_background_highlight (tty); |
08a24c47 | 1049 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1050 | OUTPUT (tty, buf); |
9ac0d9e0 | 1051 | xfree (buf); |
08a24c47 JB |
1052 | } |
1053 | else if (single) | |
1054 | { | |
6839f1e2 | 1055 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1056 | tty_background_highlight (tty); |
08a24c47 | 1057 | while (--i >= 0) |
3224dac1 KL |
1058 | OUTPUT (tty, single); |
1059 | if (tty->TF_teleray) | |
1060 | curX (tty) = 0; | |
08a24c47 JB |
1061 | } |
1062 | else | |
1063 | { | |
ed8dad6b | 1064 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1065 | if (n < 0) |
6839f1e2 | 1066 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1067 | else |
6839f1e2 | 1068 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1069 | tty_background_highlight (tty); |
08a24c47 | 1070 | while (--i >= 0) |
3224dac1 | 1071 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1072 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1073 | } |
f4d953fc | 1074 | |
3224dac1 KL |
1075 | if (!FRAME_SCROLL_REGION_OK (f) |
1076 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1077 | && n < 0) | |
08a24c47 | 1078 | { |
385ed61f KL |
1079 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1080 | clear_to_end (f); | |
08a24c47 JB |
1081 | } |
1082 | } | |
1083 | \f | |
1084 | /* Compute cost of sending "str", in characters, | |
1085 | not counting any line-dependent padding. */ | |
1086 | ||
1087 | int | |
6839f1e2 | 1088 | string_cost (char *str) |
08a24c47 JB |
1089 | { |
1090 | cost = 0; | |
1091 | if (str) | |
1092 | tputs (str, 0, evalcost); | |
1093 | return cost; | |
1094 | } | |
1095 | ||
1096 | /* Compute cost of sending "str", in characters, | |
1097 | counting any line-dependent padding at one line. */ | |
1098 | ||
1099 | static int | |
6839f1e2 | 1100 | string_cost_one_line (char *str) |
08a24c47 JB |
1101 | { |
1102 | cost = 0; | |
1103 | if (str) | |
1104 | tputs (str, 1, evalcost); | |
1105 | return cost; | |
1106 | } | |
1107 | ||
1108 | /* Compute per line amount of line-dependent padding, | |
1109 | in tenths of characters. */ | |
1110 | ||
1111 | int | |
6839f1e2 | 1112 | per_line_cost (char *str) |
08a24c47 JB |
1113 | { |
1114 | cost = 0; | |
1115 | if (str) | |
1116 | tputs (str, 0, evalcost); | |
1117 | cost = - cost; | |
1118 | if (str) | |
1119 | tputs (str, 10, evalcost); | |
1120 | return cost; | |
1121 | } | |
1122 | ||
1123 | #ifndef old | |
1124 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1125 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1126 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1127 | |
1128 | int *char_ins_del_vector; | |
1129 | ||
9882535b | 1130 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1131 | #endif |
1132 | ||
1133 | /* ARGSUSED */ | |
1134 | static void | |
6839f1e2 | 1135 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1136 | { |
28d7d09f | 1137 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1138 | int ins_startup_cost, del_startup_cost; |
1139 | int ins_cost_per_char, del_cost_per_char; | |
1140 | register int i; | |
1141 | register int *p; | |
1142 | ||
fca177d4 | 1143 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1144 | { |
1145 | ins_cost_per_char = 0; | |
fca177d4 | 1146 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1147 | } |
fca177d4 KL |
1148 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1149 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1150 | { |
fca177d4 KL |
1151 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1152 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1153 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1154 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1155 | } |
1156 | else | |
1157 | { | |
1158 | ins_startup_cost = 9999; | |
1159 | ins_cost_per_char = 0; | |
1160 | } | |
1161 | ||
fca177d4 | 1162 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1163 | { |
1164 | del_cost_per_char = 0; | |
fca177d4 | 1165 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1166 | } |
fca177d4 | 1167 | else if (tty->TS_del_char) |
08a24c47 | 1168 | { |
fca177d4 KL |
1169 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1170 | + string_cost (tty->TS_end_delete_mode)); | |
1171 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1172 | del_startup_cost /= 2; |
fca177d4 | 1173 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1174 | } |
1175 | else | |
1176 | { | |
1177 | del_startup_cost = 9999; | |
1178 | del_cost_per_char = 0; | |
1179 | } | |
1180 | ||
1181 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1182 | p = &char_ins_del_cost (f)[0]; |
1183 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1184 | *--p = (del_startup_cost += del_cost_per_char); |
1185 | ||
1186 | /* Doing nothing is free */ | |
fca177d4 | 1187 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1188 | *p++ = 0; |
1189 | ||
1190 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1191 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1192 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1193 | } | |
1194 | ||
dfcf069d | 1195 | void |
6839f1e2 | 1196 | calculate_costs (struct frame *frame) |
08a24c47 | 1197 | { |
9f732a77 | 1198 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1199 | |
28d440ab | 1200 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1201 | { |
1202 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1203 | register char *f = (tty->TS_set_scroll_region | |
1204 | ? tty->TS_set_scroll_region | |
1205 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1206 | |
daf01701 | 1207 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1208 | |
daf01701 | 1209 | tty->costs_set = 1; |
08a24c47 | 1210 | |
daf01701 KL |
1211 | /* These variables are only used for terminal stuff. They are |
1212 | allocated once for the terminal frame of X-windows emacs, but not | |
1213 | used afterwards. | |
8dd0c7cb | 1214 | |
daf01701 KL |
1215 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1216 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1217 | |
daf01701 KL |
1218 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1219 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1220 | |
daf01701 KL |
1221 | if (char_ins_del_vector != 0) |
1222 | char_ins_del_vector | |
1223 | = (int *) xrealloc (char_ins_del_vector, | |
1224 | (sizeof (int) | |
1225 | + 2 * max_frame_cols * sizeof (int))); | |
1226 | else | |
1227 | char_ins_del_vector | |
1228 | = (int *) xmalloc (sizeof (int) | |
1229 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1230 | |
daf01701 KL |
1231 | bzero (char_ins_del_vector, (sizeof (int) |
1232 | + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1233 | |
daf01701 KL |
1234 | |
1235 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1236 | do_line_insertion_deletion_costs (frame, | |
1237 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1238 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1239 | f, f, 1); | |
1240 | else | |
1241 | do_line_insertion_deletion_costs (frame, | |
1242 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1243 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1244 | 0, 0, 1); | |
1245 | ||
1246 | calculate_ins_del_char_costs (frame); | |
1247 | ||
1248 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1249 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1250 | tty->RPov = string_cost (tty->TS_repeat); | |
1251 | else | |
1252 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1253 | |
daf01701 KL |
1254 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1255 | } | |
08a24c47 JB |
1256 | } |
1257 | \f | |
a796ac82 JB |
1258 | struct fkey_table { |
1259 | char *cap, *name; | |
1260 | }; | |
1261 | ||
01d8deb0 ER |
1262 | /* Termcap capability names that correspond directly to X keysyms. |
1263 | Some of these (marked "terminfo") aren't supplied by old-style | |
1264 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1265 | except we put the keypad keys first, so that if they clash with | |
1266 | other keys (as on the IBM PC keyboard) they get overridden. | |
1267 | */ | |
1268 | ||
a168702a GM |
1269 | static struct fkey_table keys[] = |
1270 | { | |
8103ad1a PJ |
1271 | {"kh", "home"}, /* termcap */ |
1272 | {"kl", "left"}, /* termcap */ | |
1273 | {"ku", "up"}, /* termcap */ | |
1274 | {"kr", "right"}, /* termcap */ | |
1275 | {"kd", "down"}, /* termcap */ | |
1276 | {"%8", "prior"}, /* terminfo */ | |
1277 | {"%5", "next"}, /* terminfo */ | |
1278 | {"@7", "end"}, /* terminfo */ | |
1279 | {"@1", "begin"}, /* terminfo */ | |
1280 | {"*6", "select"}, /* terminfo */ | |
1281 | {"%9", "print"}, /* terminfo */ | |
1282 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1283 | /* |
1284 | * "insert" --- see below | |
1285 | */ | |
8103ad1a PJ |
1286 | {"&8", "undo"}, /* terminfo */ |
1287 | {"%0", "redo"}, /* terminfo */ | |
1288 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1289 | {"@0", "find"}, /* terminfo */ | |
1290 | {"@2", "cancel"}, /* terminfo */ | |
1291 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1292 | /* |
1293 | * "break" goes here, but can't be reliably intercepted with termcap | |
1294 | */ | |
8103ad1a | 1295 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1296 | /* |
1297 | * "system" and "user" --- no termcaps | |
1298 | */ | |
8103ad1a PJ |
1299 | {"kE", "clearline"}, /* terminfo */ |
1300 | {"kA", "insertline"}, /* terminfo */ | |
1301 | {"kL", "deleteline"}, /* terminfo */ | |
1302 | {"kI", "insertchar"}, /* terminfo */ | |
1303 | {"kD", "deletechar"}, /* terminfo */ | |
1304 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1305 | /* |
1306 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1307 | */ | |
8103ad1a | 1308 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1309 | /* |
1310 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1311 | * "kp-multiply", "kp-add", "kp-separator", | |
1312 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1313 | * --- no termcaps for any of these. | |
1314 | */ | |
8103ad1a | 1315 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1316 | /* |
1317 | * "kp-2" --- no termcap | |
1318 | */ | |
8103ad1a | 1319 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1320 | /* |
1321 | * "kp-4" --- no termcap | |
1322 | */ | |
8103ad1a | 1323 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1324 | /* |
1325 | * "kp-6" --- no termcap | |
1326 | */ | |
8103ad1a | 1327 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1328 | /* |
1329 | * "kp-8" --- no termcap | |
1330 | */ | |
8103ad1a | 1331 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1332 | /* |
1333 | * "kp-equal" --- no termcap | |
1334 | */ | |
8103ad1a PJ |
1335 | {"k1", "f1"}, |
1336 | {"k2", "f2"}, | |
1337 | {"k3", "f3"}, | |
1338 | {"k4", "f4"}, | |
1339 | {"k5", "f5"}, | |
1340 | {"k6", "f6"}, | |
1341 | {"k7", "f7"}, | |
1342 | {"k8", "f8"}, | |
60ec7b7e DN |
1343 | {"k9", "f9"}, |
1344 | ||
1345 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1346 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1347 | {"*0", "S-find"}, /*shifted find key*/ | |
1348 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1349 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1350 | {"*7", "S-end"}, /*shifted end key*/ | |
1351 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1352 | {"#1", "S-help"}, /*shifted help key*/ | |
1353 | {"#2", "S-home"}, /*shifted home key*/ | |
1354 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1355 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1356 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1357 | {"%c", "S-next"}, /*shifted next key*/ | |
1358 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1359 | {"%f", "S-print"}, /*shifted print key*/ | |
1360 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1361 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1362 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1363 | }; |
1364 | ||
e7cf0fa0 KL |
1365 | static char **term_get_fkeys_address; |
1366 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1367 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1368 | |
4f4a84ec | 1369 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1370 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1371 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1372 | |
ed8dad6b | 1373 | static void |
e7cf0fa0 | 1374 | term_get_fkeys (address, kboard) |
5c2c7893 | 1375 | char **address; |
e7cf0fa0 | 1376 | KBOARD *kboard; |
f2a00342 RM |
1377 | { |
1378 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1379 | errors during the call. The only errors should be from Fdefine_key | |
1380 | when given a key sequence containing an invalid prefix key. If the | |
1381 | termcap defines function keys which use a prefix that is already bound | |
1382 | to a command by the default bindings, we should silently ignore that | |
1383 | function key specification, rather than giving the user an error and | |
1384 | refusing to run at all on such a terminal. */ | |
1385 | ||
1386 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1387 | term_get_fkeys_address = address; |
1388 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1389 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1390 | } | |
1391 | ||
1392 | static Lisp_Object | |
1393 | term_get_fkeys_1 () | |
5c2c7893 | 1394 | { |
5c2c7893 JB |
1395 | int i; |
1396 | ||
e7cf0fa0 KL |
1397 | char **address = term_get_fkeys_address; |
1398 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1399 | |
3e65092f | 1400 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1401 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1402 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1403 | |
5c2c7893 JB |
1404 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1405 | { | |
1406 | char *sequence = tgetstr (keys[i].cap, address); | |
1407 | if (sequence) | |
4f4a84ec | 1408 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1409 | Fmake_vector (make_number (1), |
1410 | intern (keys[i].name))); | |
5c2c7893 | 1411 | } |
a796ac82 JB |
1412 | |
1413 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1414 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1415 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1416 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1417 | */ | |
1418 | { | |
1419 | char *k_semi = tgetstr ("k;", address); | |
1420 | char *k0 = tgetstr ("k0", address); | |
1421 | char *k0_name = "f10"; | |
1422 | ||
1423 | if (k_semi) | |
1424 | { | |
95c11956 SM |
1425 | if (k0) |
1426 | /* Define f0 first, so that f10 takes precedence in case the | |
1427 | key sequences happens to be the same. */ | |
4f4a84ec | 1428 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1429 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1430 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1431 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1432 | } |
95c11956 | 1433 | else if (k0) |
4f4a84ec | 1434 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1435 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1436 | } |
01d8deb0 ER |
1437 | |
1438 | /* Set up cookies for numbered function keys above f10. */ | |
1439 | { | |
1440 | char fcap[3], fkey[4]; | |
1441 | ||
fc4f24da | 1442 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1443 | for (i = 11; i < 64; i++) |
1444 | { | |
1445 | if (i <= 19) | |
1446 | fcap[1] = '1' + i - 11; | |
1447 | else if (i <= 45) | |
b59ab95c | 1448 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1449 | else |
b59ab95c | 1450 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1451 | |
fc4f24da RS |
1452 | { |
1453 | char *sequence = tgetstr (fcap, address); | |
1454 | if (sequence) | |
1455 | { | |
465db27b | 1456 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1457 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1458 | Fmake_vector (make_number (1), |
1459 | intern (fkey))); | |
fc4f24da RS |
1460 | } |
1461 | } | |
01d8deb0 ER |
1462 | } |
1463 | } | |
1464 | ||
1465 | /* | |
1466 | * Various mappings to try and get a better fit. | |
1467 | */ | |
1468 | { | |
fc4f24da RS |
1469 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1470 | if (!tgetstr (cap1, address)) \ | |
1471 | { \ | |
1472 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1473 | if (sequence) \ |
4f4a84ec | 1474 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1475 | Fmake_vector (make_number (1), \ |
1476 | intern (sym))); \ | |
fc4f24da | 1477 | } |
177c0ea7 | 1478 | |
01d8deb0 | 1479 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1480 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1481 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1482 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1483 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1484 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1485 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1486 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1487 | |
1488 | /* IBM has their own non-standard dialect of terminfo. | |
1489 | If the standard name isn't found, try the IBM name. */ | |
1490 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1491 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1492 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1493 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1494 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1495 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1496 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1497 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1498 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1499 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1500 | } |
a168702a GM |
1501 | |
1502 | return Qnil; | |
5c2c7893 JB |
1503 | } |
1504 | ||
1505 | \f | |
a168702a GM |
1506 | /*********************************************************************** |
1507 | Character Display Information | |
1508 | ***********************************************************************/ | |
1509 | ||
47021b11 KS |
1510 | /* Avoid name clash with functions defined in xterm.c */ |
1511 | #ifdef static | |
1512 | #define append_glyph append_glyph_term | |
1513 | #define produce_stretch_glyph produce_stretch_glyph_term | |
4c12d738 KH |
1514 | #define append_composite_glyph append_composite_glyph_term |
1515 | #define produce_composite_glyph produce_composite_glyph_term | |
47021b11 KS |
1516 | #endif |
1517 | ||
a168702a | 1518 | static void append_glyph P_ ((struct it *)); |
6b61353c | 1519 | static void produce_stretch_glyph P_ ((struct it *)); |
4c12d738 KH |
1520 | static void append_composite_glyph P_ ((struct it *)); |
1521 | static void produce_composite_glyph P_ ((struct it *)); | |
a168702a GM |
1522 | |
1523 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1524 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1525 | the character for which to produce glyphs; IT->face_id contains the | |
1526 | character's face. Padding glyphs are appended if IT->c has a | |
1527 | IT->pixel_width > 1. */ | |
177c0ea7 | 1528 | |
a168702a GM |
1529 | static void |
1530 | append_glyph (it) | |
1531 | struct it *it; | |
1532 | { | |
1533 | struct glyph *glyph, *end; | |
1534 | int i; | |
1535 | ||
1536 | xassert (it->glyph_row); | |
1537 | glyph = (it->glyph_row->glyphs[it->area] | |
1538 | + it->glyph_row->used[it->area]); | |
1539 | end = it->glyph_row->glyphs[1 + it->area]; | |
1540 | ||
177c0ea7 JB |
1541 | for (i = 0; |
1542 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1543 | ++i) |
1544 | { | |
1545 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1546 | glyph->pixel_width = 1; |
d2b4c17d | 1547 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1548 | glyph->face_id = it->face_id; |
1549 | glyph->padding_p = i > 0; | |
a168702a GM |
1550 | glyph->charpos = CHARPOS (it->position); |
1551 | glyph->object = it->object; | |
177c0ea7 | 1552 | |
a168702a GM |
1553 | ++it->glyph_row->used[it->area]; |
1554 | ++glyph; | |
1555 | } | |
1556 | } | |
1557 | ||
1558 | ||
b50fe468 RS |
1559 | /* Produce glyphs for the display element described by IT. *IT |
1560 | specifies what we want to produce a glyph for (character, image, ...), | |
1561 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1562 | produce_glyphs fills in output fields of *IT with information such as the | |
1563 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1564 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1565 | struct display_iterator in dispextern.h for an overview. |
1566 | ||
1567 | produce_glyphs also stores the result of glyph width, ascent | |
1568 | etc. computations in *IT. | |
1569 | ||
1570 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1571 | actually fill in the glyphs. This is used in the move_* functions | |
1572 | in xdisp.c for text width and height computations. | |
1573 | ||
1574 | Callers usually don't call produce_glyphs directly; | |
1575 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1576 | |
177c0ea7 | 1577 | void |
a168702a GM |
1578 | produce_glyphs (it) |
1579 | struct it *it; | |
1580 | { | |
1581 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1582 | |
1583 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1584 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1585 | || it->what == IT_COMPOSITION |
a168702a | 1586 | || it->what == IT_STRETCH); |
177c0ea7 | 1587 | |
6b61353c KH |
1588 | if (it->what == IT_STRETCH) |
1589 | { | |
1590 | produce_stretch_glyph (it); | |
1591 | goto done; | |
1592 | } | |
1593 | ||
4c12d738 KH |
1594 | if (it->what == IT_COMPOSITION) |
1595 | { | |
1596 | produce_composite_glyph (it); | |
1597 | goto done; | |
1598 | } | |
a168702a | 1599 | |
d2b4c17d KH |
1600 | /* Maybe translate single-byte characters to multibyte. */ |
1601 | it->char_to_display = it->c; | |
1602 | ||
a168702a GM |
1603 | if (it->c >= 040 && it->c < 0177) |
1604 | { | |
1605 | it->pixel_width = it->nglyphs = 1; | |
1606 | if (it->glyph_row) | |
1607 | append_glyph (it); | |
1608 | } | |
1609 | else if (it->c == '\n') | |
1610 | it->pixel_width = it->nglyphs = 0; | |
1611 | else if (it->c == '\t') | |
1612 | { | |
2efdbcdd | 1613 | int absolute_x = (it->current_x |
a168702a | 1614 | + it->continuation_lines_width); |
177c0ea7 JB |
1615 | int next_tab_x |
1616 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1617 | / it->tab_width) |
1618 | * it->tab_width); | |
1619 | int nspaces; | |
1620 | ||
1621 | /* If part of the TAB has been displayed on the previous line | |
1622 | which is continued now, continuation_lines_width will have | |
1623 | been incremented already by the part that fitted on the | |
1624 | continued line. So, we will get the right number of spaces | |
1625 | here. */ | |
1626 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1627 | |
a168702a GM |
1628 | if (it->glyph_row) |
1629 | { | |
1630 | int n = nspaces; | |
177c0ea7 | 1631 | |
d2b4c17d | 1632 | it->char_to_display = ' '; |
a168702a | 1633 | it->pixel_width = it->len = 1; |
177c0ea7 | 1634 | |
a168702a GM |
1635 | while (n--) |
1636 | append_glyph (it); | |
a168702a GM |
1637 | } |
1638 | ||
1639 | it->pixel_width = nspaces; | |
1640 | it->nglyphs = nspaces; | |
1641 | } | |
c5a518df | 1642 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1643 | { |
5b203baa KH |
1644 | if (unibyte_display_via_language_environment |
1645 | && (it->c >= 0240)) | |
1646 | { | |
1647 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1648 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1649 | it->nglyphs = it->pixel_width; | |
1650 | if (it->glyph_row) | |
1651 | append_glyph (it); | |
1652 | } | |
1653 | else | |
1654 | { | |
1655 | /* Coming here means that it->c is from display table, thus | |
1656 | we must send the raw 8-bit byte as is to the terminal. | |
1657 | Although there's no way to know how many columns it | |
1658 | occupies on a screen, it is a good assumption that a | |
1659 | single byte code has 1-column width. */ | |
1660 | it->pixel_width = it->nglyphs = 1; | |
1661 | if (it->glyph_row) | |
1662 | append_glyph (it); | |
1663 | } | |
add44890 | 1664 | } |
a168702a GM |
1665 | else |
1666 | { | |
9332ea03 | 1667 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1668 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1669 | |
a168702a GM |
1670 | if (it->glyph_row) |
1671 | append_glyph (it); | |
1672 | } | |
1673 | ||
6b61353c | 1674 | done: |
177c0ea7 | 1675 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1676 | the caller. */ |
1677 | if (it->area == TEXT_AREA) | |
1678 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1679 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1680 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1681 | } |
1682 | ||
1683 | ||
6b61353c KH |
1684 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1685 | of the glyph property displayed. The value must be a list | |
1686 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1687 | being recognized: | |
1688 | ||
1689 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1690 | canonical char width wide. WIDTH may be an integer or floating | |
1691 | point number. | |
1692 | ||
1693 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1694 | to reach HPOS, a value in canonical character units. */ | |
1695 | ||
1696 | static void | |
1697 | produce_stretch_glyph (it) | |
1698 | struct it *it; | |
1699 | { | |
1700 | /* (space :width WIDTH ...) */ | |
1701 | Lisp_Object prop, plist; | |
1702 | int width = 0, align_to = -1; | |
1703 | int zero_width_ok_p = 0; | |
1704 | double tem; | |
1705 | ||
1706 | /* List should start with `space'. */ | |
1707 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1708 | plist = XCDR (it->object); | |
1709 | ||
1710 | /* Compute the width of the stretch. */ | |
1711 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1712 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1713 | { | |
1714 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1715 | zero_width_ok_p = 1; | |
1716 | width = (int)(tem + 0.5); | |
1717 | } | |
1718 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1719 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1720 | { | |
1721 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1722 | align_to = (align_to < 0 |
6b61353c KH |
1723 | ? 0 |
1724 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1725 | else if (align_to < 0) | |
1726 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1727 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1728 | zero_width_ok_p = 1; | |
1729 | } | |
1730 | else | |
1731 | /* Nothing specified -> width defaults to canonical char width. */ | |
1732 | width = FRAME_COLUMN_WIDTH (it->f); | |
1733 | ||
1734 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1735 | width = 1; | |
1736 | ||
1737 | if (width > 0 && it->glyph_row) | |
1738 | { | |
1739 | Lisp_Object o_object = it->object; | |
1740 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1741 | int n = width; | |
6b61353c KH |
1742 | |
1743 | if (!STRINGP (object)) | |
1744 | object = it->w->buffer; | |
1745 | it->object = object; | |
d2b4c17d | 1746 | it->char_to_display = ' '; |
6b61353c KH |
1747 | it->pixel_width = it->len = 1; |
1748 | while (n--) | |
1749 | append_glyph (it); | |
1750 | it->object = o_object; | |
6b61353c KH |
1751 | } |
1752 | it->pixel_width = width; | |
1753 | it->nglyphs = width; | |
1754 | } | |
1755 | ||
1756 | ||
4c12d738 KH |
1757 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1758 | Called from produce_composite_glyph for terminal frames if | |
1759 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1760 | face. */ | |
1761 | ||
1762 | static void | |
1763 | append_composite_glyph (it) | |
1764 | struct it *it; | |
1765 | { | |
1766 | struct glyph *glyph; | |
1767 | ||
1768 | xassert (it->glyph_row); | |
1769 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1770 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1771 | { | |
1772 | glyph->type = COMPOSITE_GLYPH; | |
1773 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1774 | glyph->u.cmp.id = it->cmp_it.id; |
1775 | if (it->cmp_it.ch < 0) | |
1776 | { | |
1777 | glyph->u.cmp.automatic = 0; | |
1778 | glyph->u.cmp.id = it->cmp_it.id; | |
1779 | } | |
1780 | else | |
1781 | { | |
1782 | glyph->u.cmp.automatic = 1; | |
1783 | glyph->u.cmp.id = it->cmp_it.id; | |
1784 | glyph->u.cmp.from = it->cmp_it.from; | |
1785 | glyph->u.cmp.to = it->cmp_it.to; | |
1786 | } | |
1787 | ||
4c12d738 KH |
1788 | glyph->face_id = it->face_id; |
1789 | glyph->padding_p = 0; | |
1790 | glyph->charpos = CHARPOS (it->position); | |
1791 | glyph->object = it->object; | |
1792 | ||
1793 | ++it->glyph_row->used[it->area]; | |
1794 | ++glyph; | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | ||
1799 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1800 | the composition. We simply produces components of the composition | |
1801 | assuming that that the terminal has a capability to layout/render | |
1802 | it correctly. */ | |
1803 | ||
1804 | static void | |
1805 | produce_composite_glyph (it) | |
1806 | struct it *it; | |
1807 | { | |
4c12d738 KH |
1808 | int c; |
1809 | ||
75a10786 KH |
1810 | if (it->cmp_it.ch < 0) |
1811 | { | |
1812 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1813 | ||
1814 | c = COMPOSITION_GLYPH (cmp, 0); | |
1815 | it->pixel_width = CHAR_WIDTH (it->c); | |
1816 | } | |
1817 | else | |
1818 | { | |
1819 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1820 | |
75a10786 KH |
1821 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1822 | it->cmp_it.to, NULL); | |
1823 | } | |
1824 | it->nglyphs = 1; | |
4c12d738 KH |
1825 | if (it->glyph_row) |
1826 | append_composite_glyph (it); | |
1827 | } | |
1828 | ||
1829 | ||
a168702a GM |
1830 | /* Get information about special display element WHAT in an |
1831 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1832 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1833 | non-null glyph_row member. This function ensures that fields like | |
1834 | face_id, c, len of IT are left untouched. */ | |
1835 | ||
1836 | void | |
1837 | produce_special_glyphs (it, what) | |
1838 | struct it *it; | |
1839 | enum display_element_type what; | |
1840 | { | |
1841 | struct it temp_it; | |
f4d953fc | 1842 | Lisp_Object gc; |
072d84a6 | 1843 | GLYPH glyph; |
177c0ea7 | 1844 | |
a168702a GM |
1845 | temp_it = *it; |
1846 | temp_it.dp = NULL; | |
1847 | temp_it.what = IT_CHARACTER; | |
1848 | temp_it.len = 1; | |
7c752c80 | 1849 | temp_it.object = make_number (0); |
a168702a GM |
1850 | bzero (&temp_it.current, sizeof temp_it.current); |
1851 | ||
1852 | if (what == IT_CONTINUATION) | |
1853 | { | |
1854 | /* Continuation glyph. */ | |
f4d953fc | 1855 | SET_GLYPH_FROM_CHAR (glyph, '\\'); |
a168702a | 1856 | if (it->dp |
f4d953fc KS |
1857 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1858 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1859 | { |
f4d953fc KS |
1860 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1861 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1862 | } |
a168702a GM |
1863 | } |
1864 | else if (what == IT_TRUNCATION) | |
1865 | { | |
1866 | /* Truncation glyph. */ | |
f4d953fc | 1867 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1868 | if (it->dp |
f4d953fc KS |
1869 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1870 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1871 | { |
f4d953fc KS |
1872 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1873 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1874 | } |
a168702a GM |
1875 | } |
1876 | else | |
1877 | abort (); | |
072d84a6 | 1878 | |
f4d953fc KS |
1879 | temp_it.c = GLYPH_CHAR (glyph); |
1880 | temp_it.face_id = GLYPH_FACE (glyph); | |
072d84a6 RS |
1881 | temp_it.len = CHAR_BYTES (temp_it.c); |
1882 | ||
1883 | produce_glyphs (&temp_it); | |
1884 | it->pixel_width = temp_it.pixel_width; | |
1885 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1886 | } |
1887 | ||
1888 | ||
a168702a GM |
1889 | \f |
1890 | /*********************************************************************** | |
1891 | Faces | |
1892 | ***********************************************************************/ | |
1893 | ||
4e6ba4a4 GM |
1894 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1895 | one of the enumerators from enum no_color_bit, or a bit set built | |
1896 | from them. Some display attributes may not be used together with | |
1897 | color; the termcap capability `NC' specifies which ones. */ | |
1898 | ||
fca177d4 KL |
1899 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1900 | (tty->TN_max_colors > 0 \ | |
1901 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1902 | : 1) | |
a168702a | 1903 | |
072d84a6 RS |
1904 | /* Turn appearances of face FACE_ID on tty frame F on. |
1905 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1906 | |
1907 | static void | |
1908 | turn_on_face (f, face_id) | |
1909 | struct frame *f; | |
1910 | int face_id; | |
1911 | { | |
1912 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1913 | long fg = face->foreground; |
1914 | long bg = face->background; | |
28d7d09f | 1915 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1916 | |
86a7d192 GM |
1917 | /* Do this first because TS_end_standout_mode may be the same |
1918 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1919 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1920 | { |
fca177d4 | 1921 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1922 | { |
1923 | if (fg >= 0 && bg >= 0) | |
1924 | { | |
1925 | /* If the terminal supports colors, we can set them | |
1926 | below without using reverse video. The face's fg | |
1927 | and bg colors are set as they should appear on | |
1928 | the screen, i.e. they take the inverse-video'ness | |
1929 | of the face already into account. */ | |
1930 | } | |
1931 | else if (inverse_video) | |
1932 | { | |
1933 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1934 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1935 | tty_toggle_highlight (tty); |
86a7d192 GM |
1936 | } |
1937 | else | |
1938 | { | |
1939 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1940 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1941 | tty_toggle_highlight (tty); |
86a7d192 GM |
1942 | } |
1943 | } | |
1944 | else | |
1945 | { | |
1946 | /* If we can't display colors, use reverse video | |
1947 | if the face specifies that. */ | |
37526b42 GM |
1948 | if (inverse_video) |
1949 | { | |
1950 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1951 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1952 | tty_toggle_highlight (tty); |
37526b42 GM |
1953 | } |
1954 | else | |
1955 | { | |
1956 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1957 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1958 | tty_toggle_highlight (tty); |
37526b42 | 1959 | } |
86a7d192 GM |
1960 | } |
1961 | } | |
a168702a GM |
1962 | |
1963 | if (face->tty_bold_p) | |
4e6ba4a4 | 1964 | { |
fca177d4 KL |
1965 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1966 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1967 | } |
a168702a | 1968 | else if (face->tty_dim_p) |
fca177d4 KL |
1969 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1970 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1971 | |
1972 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1973 | if (face->tty_alt_charset_p |
fca177d4 KL |
1974 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1975 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1976 | |
4e6ba4a4 | 1977 | if (face->tty_blinking_p |
fca177d4 KL |
1978 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1979 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1980 | |
fca177d4 KL |
1981 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1982 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1983 | |
fca177d4 | 1984 | if (tty->TN_max_colors > 0) |
a168702a | 1985 | { |
753d161b | 1986 | char *ts, *p; |
177c0ea7 | 1987 | |
fbf34973 | 1988 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1989 | if (fg >= 0 && ts) |
a168702a | 1990 | { |
fbf34973 | 1991 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 1992 | OUTPUT (tty, p); |
a168702a GM |
1993 | xfree (p); |
1994 | } | |
1995 | ||
fbf34973 | 1996 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1997 | if (bg >= 0 && ts) |
a168702a | 1998 | { |
fbf34973 | 1999 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2000 | OUTPUT (tty, p); |
a168702a GM |
2001 | xfree (p); |
2002 | } | |
2003 | } | |
2004 | } | |
177c0ea7 | 2005 | |
a168702a GM |
2006 | |
2007 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2008 | ||
2009 | static void | |
2010 | turn_off_face (f, face_id) | |
2011 | struct frame *f; | |
2012 | int face_id; | |
2013 | { | |
2014 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2015 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2016 | |
2017 | xassert (face != NULL); | |
2018 | ||
fca177d4 | 2019 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2020 | { |
2021 | /* Capability "me" will turn off appearance modes double-bright, | |
2022 | half-bright, reverse-video, standout, underline. It may or | |
2023 | may not turn off alt-char-mode. */ | |
2024 | if (face->tty_bold_p | |
2025 | || face->tty_dim_p | |
2026 | || face->tty_reverse_p | |
2027 | || face->tty_alt_charset_p | |
2028 | || face->tty_blinking_p | |
2029 | || face->tty_underline_p) | |
65aa5e85 | 2030 | { |
fca177d4 KL |
2031 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2032 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2033 | tty->standout_mode = 0; | |
65aa5e85 | 2034 | } |
a168702a GM |
2035 | |
2036 | if (face->tty_alt_charset_p) | |
fca177d4 | 2037 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2038 | } |
2039 | else | |
2040 | { | |
2041 | /* If we don't have "me" we can only have those appearances | |
2042 | that have exit sequences defined. */ | |
2043 | if (face->tty_alt_charset_p) | |
fca177d4 | 2044 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2045 | |
54800acb | 2046 | if (face->tty_underline_p) |
fca177d4 | 2047 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2048 | } |
2049 | ||
2050 | /* Switch back to default colors. */ | |
fca177d4 | 2051 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2052 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2053 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2054 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2055 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2056 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2057 | } |
177c0ea7 JB |
2058 | |
2059 | ||
b63a55ac MB |
2060 | /* Return non-zero if the terminal on frame F supports all of the |
2061 | capabilities in CAPS simultaneously, with foreground and background | |
2062 | colors FG and BG. */ | |
2063 | ||
4a8130f2 | 2064 | int |
fca177d4 | 2065 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 2066 | struct tty_display_info *tty; |
b63a55ac MB |
2067 | unsigned caps; |
2068 | unsigned long fg, bg; | |
2069 | { | |
fca177d4 KL |
2070 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2071 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2072 | return 0; |
2073 | ||
fca177d4 KL |
2074 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2075 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2076 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2077 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2078 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2079 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2080 | |
2081 | /* We can do it! */ | |
2082 | return 1; | |
2083 | } | |
2084 | ||
a168702a GM |
2085 | /* Return non-zero if the terminal is capable to display colors. */ |
2086 | ||
2087 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2088 | 0, 1, 0, |
6ed8eeff KL |
2089 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2090 | ||
2091 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
2092 | frame's terminal). This function always returns nil if TERMINAL | |
2093 | is not on a tty device. */) | |
2094 | (terminal) | |
2095 | Lisp_Object terminal; | |
a168702a | 2096 | { |
717a00ef | 2097 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2098 | if (!t) |
428a555e | 2099 | return Qnil; |
3224dac1 | 2100 | else |
6ed8eeff | 2101 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2102 | } |
2103 | ||
bfa62f96 EZ |
2104 | /* Return the number of supported colors. */ |
2105 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2106 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2107 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2108 | ||
2109 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
717a00ef | 2110 | frame's terminal). This function always returns 0 if TERMINAL |
6ed8eeff KL |
2111 | is not on a tty device. */) |
2112 | (terminal) | |
2113 | Lisp_Object terminal; | |
bfa62f96 | 2114 | { |
717a00ef | 2115 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2116 | if (!t) |
8c8d5f35 | 2117 | return make_number (0); |
3224dac1 | 2118 | else |
6ed8eeff | 2119 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2120 | } |
2121 | ||
84704c5c | 2122 | #ifndef DOS_NT |
a168702a | 2123 | |
5205ee62 GM |
2124 | /* Declare here rather than in the function, as in the rest of Emacs, |
2125 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2126 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2127 | static int default_max_colors; |
2128 | static int default_max_pairs; | |
2129 | static int default_no_color_video; | |
2130 | static char *default_orig_pair; | |
2131 | static char *default_set_foreground; | |
2132 | static char *default_set_background; | |
fcf8ff2e | 2133 | |
ace28297 EZ |
2134 | /* Save or restore the default color-related capabilities of this |
2135 | terminal. */ | |
2136 | static void | |
28d7d09f | 2137 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2138 | { |
ace28297 EZ |
2139 | |
2140 | if (save) | |
2141 | { | |
70fdbb46 | 2142 | xfree (default_orig_pair); |
fca177d4 | 2143 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2144 | |
70fdbb46 | 2145 | xfree (default_set_foreground); |
fca177d4 | 2146 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2147 | : NULL; |
2148 | ||
70fdbb46 | 2149 | xfree (default_set_background); |
fca177d4 | 2150 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2151 | : NULL; |
2152 | ||
fca177d4 KL |
2153 | default_max_colors = tty->TN_max_colors; |
2154 | default_max_pairs = tty->TN_max_pairs; | |
2155 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2156 | } |
2157 | else | |
2158 | { | |
fca177d4 KL |
2159 | tty->TS_orig_pair = default_orig_pair; |
2160 | tty->TS_set_foreground = default_set_foreground; | |
2161 | tty->TS_set_background = default_set_background; | |
2162 | tty->TN_max_colors = default_max_colors; | |
2163 | tty->TN_max_pairs = default_max_pairs; | |
2164 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2165 | } |
2166 | } | |
2167 | ||
2168 | /* Setup one of the standard tty color schemes according to MODE. | |
2169 | MODE's value is generally the number of colors which we want to | |
2170 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2171 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2172 | static void |
28d7d09f | 2173 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2174 | { |
6b61353c KH |
2175 | /* Canonicalize all negative values of MODE. */ |
2176 | if (mode < -1) | |
2177 | mode = -1; | |
2178 | ||
ace28297 EZ |
2179 | switch (mode) |
2180 | { | |
2181 | case -1: /* no colors at all */ | |
fca177d4 KL |
2182 | tty->TN_max_colors = 0; |
2183 | tty->TN_max_pairs = 0; | |
2184 | tty->TN_no_color_video = 0; | |
2185 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2186 | break; |
2187 | case 0: /* default colors, if any */ | |
2188 | default: | |
fca177d4 | 2189 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2190 | break; |
2191 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2192 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2193 | #ifdef TERMINFO |
fca177d4 KL |
2194 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2195 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2196 | #else |
fca177d4 KL |
2197 | tty->TS_set_foreground = "\033[3%dm"; |
2198 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2199 | #endif |
fca177d4 KL |
2200 | tty->TN_max_colors = 8; |
2201 | tty->TN_max_pairs = 64; | |
2202 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2203 | break; |
2204 | } | |
2205 | } | |
2206 | ||
2207 | void | |
9b2cd403 SM |
2208 | set_tty_color_mode (tty, f) |
2209 | struct tty_display_info *tty; | |
ace28297 | 2210 | struct frame *f; |
ace28297 | 2211 | { |
9b2cd403 SM |
2212 | Lisp_Object tem, val, color_mode_spec; |
2213 | Lisp_Object color_mode; | |
2214 | int mode; | |
ace28297 | 2215 | extern Lisp_Object Qtty_color_mode; |
9b2cd403 SM |
2216 | Lisp_Object tty_color_mode_alist |
2217 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2218 | |
c23b5410 | 2219 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2220 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2221 | |
6b61353c | 2222 | if (INTEGERP (val)) |
ace28297 EZ |
2223 | color_mode = val; |
2224 | else | |
2225 | { | |
9b2cd403 SM |
2226 | tem = (NILP (tty_color_mode_alist) ? Qnil |
2227 | : Fassq (val, XSYMBOL (tty_color_mode_alist)->value)); | |
2228 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; | |
ace28297 | 2229 | } |
6b61353c | 2230 | |
9b2cd403 | 2231 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2232 | |
9b2cd403 | 2233 | if (mode != tty->previous_color_mode) |
ace28297 | 2234 | { |
9b2cd403 SM |
2235 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2236 | tty->previous_color_mode = mode; | |
2237 | tty_setup_colors (tty , mode); | |
2238 | /* This recomputes all the faces given the new color definitions. */ | |
2239 | safe_call (1, &funsym); | |
ace28297 EZ |
2240 | } |
2241 | } | |
2242 | ||
84704c5c | 2243 | #endif /* !DOS_NT */ |
a168702a GM |
2244 | |
2245 | \f | |
28d440ab | 2246 | |
6ed8eeff | 2247 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2248 | |
6ed8eeff | 2249 | struct terminal * |
717a00ef | 2250 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2251 | { |
717a00ef | 2252 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2253 | |
84704c5c | 2254 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2255 | { |
2256 | if (throw) | |
2257 | error ("Device %d is not a termcap terminal device", t->id); | |
2258 | else | |
2259 | return NULL; | |
2260 | } | |
b6660415 | 2261 | |
6ed8eeff | 2262 | return t; |
b6660415 KL |
2263 | } |
2264 | ||
ab797f65 KL |
2265 | /* Return an active termcap device that uses the tty device with the |
2266 | given name. | |
b6660415 | 2267 | |
7e59217d | 2268 | This function ignores suspended devices. |
da8e1115 KL |
2269 | |
2270 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2271 | |
6ed8eeff | 2272 | struct terminal * |
7e59217d | 2273 | get_named_tty (name) |
28d440ab KL |
2274 | char *name; |
2275 | { | |
6ed8eeff KL |
2276 | struct terminal *t; |
2277 | ||
ab797f65 KL |
2278 | if (!name) |
2279 | abort (); | |
2280 | ||
2281 | for (t = terminal_list; t; t = t->next_terminal) | |
2282 | { | |
5cc67f65 | 2283 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2284 | && !strcmp (t->display_info.tty->name, name) |
2285 | && TERMINAL_ACTIVE_P (t)) | |
2286 | return t; | |
2287 | } | |
28d440ab KL |
2288 | |
2289 | return 0; | |
2290 | } | |
2291 | ||
2292 | \f | |
6ed8eeff KL |
2293 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2294 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2295 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2296 | |
6ed8eeff KL |
2297 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2298 | frame's terminal). */) | |
2299 | (terminal) | |
2300 | Lisp_Object terminal; | |
b6660415 | 2301 | { |
6ed8eeff | 2302 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2303 | |
84704c5c | 2304 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2305 | return Qnil; |
2306 | ||
6ed8eeff KL |
2307 | if (t->display_info.tty->type) |
2308 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2309 | else |
2310 | return Qnil; | |
2311 | } | |
2312 | ||
6ed8eeff | 2313 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2314 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2315 | |
6ed8eeff KL |
2316 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2317 | frame's terminal). This function always returns nil if TERMINAL | |
2318 | is not on a tty device. */) | |
2319 | (terminal) | |
2320 | Lisp_Object terminal; | |
4a933ef8 | 2321 | { |
6ed8eeff | 2322 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2323 | |
84704c5c EZ |
2324 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2325 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2326 | return Qnil; |
2327 | else | |
2328 | return Qt; | |
2329 | } | |
2330 | ||
a3fbb897 | 2331 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2332 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2333 | This is used to override the terminfo data, for certain terminals that |
2334 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2335 | no effect if used on a non-tty terminal. |
a3fbb897 | 2336 | |
6ed8eeff KL |
2337 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2338 | frame's terminal). This function always returns nil if TERMINAL | |
2339 | is not on a tty device. */) | |
2340 | (terminal) | |
2341 | Lisp_Object terminal; | |
a3fbb897 | 2342 | { |
6ed8eeff | 2343 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2344 | |
6ed8eeff KL |
2345 | if (t->type == output_termcap) |
2346 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2347 | return Qnil; |
2348 | } | |
2349 | ||
ed8dad6b KL |
2350 | \f |
2351 | ||
2352 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2353 | doc: /* Suspend the terminal device TTY. | |
2354 | ||
2355 | The device is restored to its default state, and Emacs ceases all | |
2356 | access to the tty device. Frames that use the device are not deleted, | |
2357 | but input is not read from them and if they change, their display is | |
2358 | not updated. | |
2359 | ||
2360 | TTY may be a terminal id, a frame, or nil for the terminal device of | |
2361 | the currently selected frame. | |
2362 | ||
e4019195 | 2363 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2364 | device. The functions are run with one arg, the id of the suspended |
2365 | terminal device. | |
2366 | ||
2367 | `suspend-tty' does nothing if it is called on a device that is already | |
2368 | suspended. | |
2369 | ||
2370 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2371 | (tty) | |
2372 | Lisp_Object tty; | |
2373 | { | |
717a00ef | 2374 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2375 | FILE *f; |
f4d953fc | 2376 | |
6ed8eeff | 2377 | if (!t) |
ed8dad6b KL |
2378 | error ("Unknown tty device"); |
2379 | ||
6ed8eeff | 2380 | f = t->display_info.tty->input; |
f4d953fc | 2381 | |
ed8dad6b KL |
2382 | if (f) |
2383 | { | |
23d4cba5 DN |
2384 | /* First run `suspend-tty-functions' and then clean up the tty |
2385 | state because `suspend-tty-functions' might need to change | |
2386 | the tty state. */ | |
2387 | if (!NILP (Vrun_hooks)) | |
2388 | { | |
2389 | Lisp_Object args[2]; | |
2390 | args[0] = intern ("suspend-tty-functions"); | |
2391 | XSETTERMINAL (args[1], t); | |
2392 | Frun_hook_with_args (2, args); | |
2393 | } | |
2394 | ||
6ed8eeff | 2395 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2396 | |
84704c5c | 2397 | #ifdef subprocesses |
ed8dad6b | 2398 | delete_keyboard_wait_descriptor (fileno (f)); |
84704c5c | 2399 | #endif |
f4d953fc | 2400 | |
84704c5c | 2401 | #ifndef MSDOS |
ed8dad6b | 2402 | fclose (f); |
6ed8eeff KL |
2403 | if (f != t->display_info.tty->output) |
2404 | fclose (t->display_info.tty->output); | |
84704c5c | 2405 | #endif |
f4d953fc | 2406 | |
6ed8eeff KL |
2407 | t->display_info.tty->input = 0; |
2408 | t->display_info.tty->output = 0; | |
ed8dad6b | 2409 | |
6ed8eeff KL |
2410 | if (FRAMEP (t->display_info.tty->top_frame)) |
2411 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2412 | |
ed8dad6b KL |
2413 | } |
2414 | ||
4a665758 KL |
2415 | /* Clear display hooks to prevent further output. */ |
2416 | clear_tty_hooks (t); | |
2417 | ||
ed8dad6b KL |
2418 | return Qnil; |
2419 | } | |
2420 | ||
2421 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2422 | doc: /* Resume the previously suspended terminal device TTY. | |
2423 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2424 | suspended terminal are revived. |
ed8dad6b | 2425 | |
6ed8eeff KL |
2426 | It is an error to resume a terminal while another terminal is active |
2427 | on the same device. | |
ed8dad6b | 2428 | |
e4019195 | 2429 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2430 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2431 | device. |
2432 | ||
2433 | `resume-tty' does nothing if it is called on a device that is not | |
2434 | suspended. | |
2435 | ||
6ed8eeff KL |
2436 | TTY may be a terminal id, a frame, or nil for the terminal device of |
2437 | the currently selected frame. */) | |
ed8dad6b KL |
2438 | (tty) |
2439 | Lisp_Object tty; | |
2440 | { | |
717a00ef | 2441 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2442 | int fd; |
2443 | ||
6ed8eeff | 2444 | if (!t) |
ed8dad6b KL |
2445 | error ("Unknown tty device"); |
2446 | ||
6ed8eeff | 2447 | if (!t->display_info.tty->input) |
ed8dad6b | 2448 | { |
6ed8eeff | 2449 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2450 | error ("Cannot resume display while another display is active on the same device"); |
2451 | ||
84704c5c EZ |
2452 | #ifdef MSDOS |
2453 | t->display_info.tty->output = stdout; | |
2454 | t->display_info.tty->input = stdin; | |
2455 | #else /* !MSDOS */ | |
6ed8eeff | 2456 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2457 | |
59b3194c KL |
2458 | if (fd == -1) |
2459 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2460 | |
78048085 | 2461 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2462 | dissociate_if_controlling_tty (fd); |
78048085 | 2463 | |
6ed8eeff KL |
2464 | t->display_info.tty->output = fdopen (fd, "w+"); |
2465 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2466 | #endif |
78048085 | 2467 | |
84704c5c | 2468 | #ifdef subprocesses |
ed8dad6b | 2469 | add_keyboard_wait_descriptor (fd); |
84704c5c | 2470 | #endif |
ed8dad6b | 2471 | |
6ed8eeff KL |
2472 | if (FRAMEP (t->display_info.tty->top_frame)) |
2473 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
ed8dad6b | 2474 | |
6ed8eeff | 2475 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2476 | |
e4019195 | 2477 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2478 | if (!NILP (Vrun_hooks)) |
2479 | { | |
2480 | Lisp_Object args[2]; | |
e4019195 | 2481 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2482 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2483 | Frun_hook_with_args (2, args); |
2484 | } | |
2485 | } | |
2486 | ||
4a665758 KL |
2487 | set_tty_hooks (t); |
2488 | ||
ed8dad6b KL |
2489 | return Qnil; |
2490 | } | |
a3fbb897 | 2491 | |
819b8f00 | 2492 | \f |
e882229c NR |
2493 | /*********************************************************************** |
2494 | Mouse | |
2495 | ***********************************************************************/ | |
2496 | ||
7e5a23bd | 2497 | #ifdef HAVE_GPM |
5faa03ba RS |
2498 | void |
2499 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2500 | { |
1ec5dc77 | 2501 | /* TODO: how to set mouse position? |
94da14a0 NR |
2502 | const char *name; |
2503 | int fd; | |
2504 | name = (const char *) ttyname (0); | |
2505 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2506 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2507 | close (fd); |
2508 | last_mouse_x = x; | |
80fb2ce0 | 2509 | last_mouse_y = y; */ |
94da14a0 NR |
2510 | } |
2511 | ||
e882229c NR |
2512 | static void |
2513 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2514 | { | |
6178ce5e | 2515 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2516 | int save_x, save_y; |
1ec5dc77 | 2517 | int i; |
e882229c | 2518 | |
7be1c21a MB |
2519 | struct frame *f = XFRAME (w->frame); |
2520 | struct tty_display_info *tty = FRAME_TTY (f); | |
2521 | ||
e882229c NR |
2522 | if (/* If window is in the process of being destroyed, don't bother |
2523 | to do anything. */ | |
2524 | w->current_matrix != NULL | |
2525 | /* Recognize when we are called to operate on rows that don't exist | |
2526 | anymore. This can happen when a window is split. */ | |
2527 | && mouse_face_end_row < w->current_matrix->nrows) | |
2528 | { | |
2529 | /* write_glyphs writes at cursor position, so we need to | |
2530 | temporarily move cursor coordinates to the beginning of | |
2531 | the highlight region. */ | |
f4d953fc | 2532 | |
e882229c | 2533 | /* Save current cursor co-ordinates */ |
7be1c21a MB |
2534 | save_y = curY (tty); |
2535 | save_x = curX (tty); | |
e882229c NR |
2536 | |
2537 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2538 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2539 | { | |
2540 | int start_hpos, end_hpos, nglyphs; | |
2541 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2542 | ||
2543 | /* Don't do anything if row doesn't have valid contents. */ | |
2544 | if (!row->enabled_p) | |
2545 | continue; | |
2546 | ||
2547 | /* For all but the first row, the highlight starts at column 0. */ | |
2548 | if (i == mouse_face_beg_row) | |
2549 | start_hpos = mouse_face_beg_col; | |
2550 | else | |
2551 | start_hpos = 0; | |
2552 | ||
2553 | if (i == mouse_face_end_row) | |
2554 | end_hpos = mouse_face_end_col; | |
2555 | else | |
2556 | { | |
2557 | end_hpos = row->used[TEXT_AREA]; | |
2558 | if (draw == DRAW_NORMAL_TEXT) | |
2559 | row->fill_line_p = 1; /* Clear to end of line */ | |
2560 | } | |
2561 | ||
2562 | if (end_hpos <= start_hpos) | |
2563 | continue; | |
2564 | /* Record that some glyphs of this row are displayed in | |
2565 | mouse-face. */ | |
2566 | row->mouse_face_p = draw > 0; | |
2567 | ||
2568 | nglyphs = end_hpos - start_hpos; | |
2569 | ||
2570 | if (end_hpos >= row->used[TEXT_AREA]) | |
2571 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2572 | ||
2573 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2574 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2575 | + WINDOW_LEFT_EDGE_X (w); | |
f4d953fc | 2576 | |
7be1c21a | 2577 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2578 | |
2579 | if (draw == DRAW_MOUSE_FACE) | |
2580 | { | |
7be1c21a | 2581 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2582 | nglyphs, mouse_face_face_id); |
2583 | } | |
2584 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2585 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2586 | } |
7be1c21a | 2587 | cursor_to (f, save_y, save_x); |
e882229c NR |
2588 | } |
2589 | } | |
2590 | ||
2591 | static void | |
2592 | term_clear_mouse_face () | |
2593 | { | |
6178ce5e | 2594 | if (!NILP (mouse_face_window)) |
e882229c NR |
2595 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2596 | ||
2597 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2598 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2599 | mouse_face_window = Qnil; |
e882229c NR |
2600 | } |
2601 | ||
2602 | /* Find the glyph matrix position of buffer position POS in window W. | |
2603 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2604 | must be up to date. If POS is above window start return (0, 0). | |
2605 | If POS is after end of W, return end of last line in W. | |
2606 | - taken from msdos.c */ | |
2607 | static int | |
2608 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2609 | { | |
2610 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2611 | int yb = window_text_bottom_y (w); | |
2612 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2613 | ||
2614 | while (row->y < yb) | |
2615 | { | |
2616 | if (row->used[TEXT_AREA]) | |
2617 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2618 | else | |
2619 | line_start_position = 0; | |
2620 | ||
2621 | if (line_start_position > pos) | |
2622 | break; | |
2623 | /* If the position sought is the end of the buffer, | |
2624 | don't include the blank lines at the bottom of the window. */ | |
2625 | else if (line_start_position == pos | |
2626 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2627 | { | |
2628 | maybe_next_line_p = 1; | |
2629 | break; | |
2630 | } | |
2631 | else if (line_start_position > 0) | |
2632 | best_row = row; | |
2633 | ||
2634 | /* Don't overstep the last matrix row, lest we get into the | |
2635 | never-never land... */ | |
2636 | if (row->y + 1 >= yb) | |
2637 | break; | |
2638 | ||
2639 | ++row; | |
2640 | } | |
2641 | ||
2642 | /* Find the right column within BEST_ROW. */ | |
2643 | lastcol = 0; | |
2644 | row = best_row; | |
2645 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2646 | { | |
2647 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2648 | int charpos; | |
2649 | ||
2650 | charpos = glyph->charpos; | |
2651 | if (charpos == pos) | |
2652 | { | |
2653 | *hpos = i; | |
2654 | *vpos = row->y; | |
2655 | return 1; | |
2656 | } | |
2657 | else if (charpos > pos) | |
2658 | break; | |
2659 | else if (charpos > 0) | |
2660 | lastcol = i; | |
2661 | } | |
2662 | ||
2663 | /* If we're looking for the end of the buffer, | |
2664 | and we didn't find it in the line we scanned, | |
2665 | use the start of the following line. */ | |
2666 | if (maybe_next_line_p) | |
2667 | { | |
2668 | ++row; | |
2669 | lastcol = 0; | |
2670 | } | |
2671 | ||
2672 | *vpos = row->y; | |
2673 | *hpos = lastcol + 1; | |
2674 | return 0; | |
2675 | } | |
2676 | ||
2677 | static void | |
2678 | term_mouse_highlight (struct frame *f, int x, int y) | |
2679 | { | |
2680 | enum window_part part; | |
2681 | Lisp_Object window; | |
2682 | struct window *w; | |
2683 | struct buffer *b; | |
2684 | ||
2685 | if (NILP (Vmouse_highlight) | |
2686 | || !f->glyphs_initialized_p) | |
2687 | return; | |
2688 | ||
e882229c NR |
2689 | /* Which window is that in? */ |
2690 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2691 | ||
2692 | /* Not on a window -> return. */ | |
2693 | if (!WINDOWP (window)) | |
2694 | return; | |
2695 | ||
6178ce5e | 2696 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2697 | term_clear_mouse_face (); |
2698 | ||
2699 | w = XWINDOW (window); | |
2700 | ||
2701 | /* Are we in a window whose display is up to date? | |
2702 | And verify the buffer's text has not changed. */ | |
2703 | b = XBUFFER (w->buffer); | |
2704 | if (part == ON_TEXT | |
2705 | && EQ (w->window_end_valid, w->buffer) | |
2706 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2707 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2708 | { | |
2709 | int pos, i, nrows = w->current_matrix->nrows; | |
2710 | struct glyph_row *row; | |
2711 | struct glyph *glyph; | |
2712 | ||
2713 | /* Find the glyph under X/Y. */ | |
2714 | glyph = NULL; | |
2715 | if (y >= 0 && y < nrows) | |
2716 | { | |
2717 | row = MATRIX_ROW (w->current_matrix, y); | |
2718 | /* Give up if some row before the one we are looking for is | |
2719 | not enabled. */ | |
2720 | for (i = 0; i <= y; i++) | |
2721 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2722 | break; | |
2723 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2724 | && row->displays_text_p | |
2725 | && x < window_box_width (w, TEXT_AREA)) | |
2726 | { | |
2727 | glyph = row->glyphs[TEXT_AREA]; | |
2728 | if (x >= row->used[TEXT_AREA]) | |
2729 | glyph = NULL; | |
2730 | else | |
2731 | { | |
2732 | glyph += x; | |
2733 | if (!BUFFERP (glyph->object)) | |
2734 | glyph = NULL; | |
2735 | } | |
2736 | } | |
2737 | } | |
2738 | ||
2739 | /* Clear mouse face if X/Y not over text. */ | |
2740 | if (glyph == NULL) | |
2741 | { | |
2742 | term_clear_mouse_face (); | |
2743 | return; | |
2744 | } | |
2745 | ||
2746 | if (!BUFFERP (glyph->object)) | |
2747 | abort (); | |
2748 | pos = glyph->charpos; | |
2749 | ||
2750 | /* Check for mouse-face. */ | |
2751 | { | |
2752 | extern Lisp_Object Qmouse_face; | |
2753 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
3b8c0c70 | 2754 | int noverlays, obegv, ozv; |
e882229c NR |
2755 | struct buffer *obuf; |
2756 | ||
2757 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2758 | if (pos > BUF_Z (b)) | |
2759 | return; | |
2760 | ||
2761 | /* Make the window's buffer temporarily current for | |
2762 | overlays_at and compute_char_face. */ | |
2763 | obuf = current_buffer; | |
2764 | current_buffer = b; | |
2765 | obegv = BEGV; | |
2766 | ozv = ZV; | |
2767 | BEGV = BEG; | |
2768 | ZV = Z; | |
2769 | ||
2770 | /* Is this char mouse-active? */ | |
2771 | XSETINT (position, pos); | |
2772 | ||
2773 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2774 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2775 | /* Sort overlays into increasing priority order. */ | |
2776 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2777 | ||
2778 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2779 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2780 | && y >= mouse_face_beg_row |
2781 | && y <= mouse_face_end_row | |
2782 | && (y > mouse_face_beg_row | |
2783 | || x >= mouse_face_beg_col) | |
2784 | && (y < mouse_face_end_row | |
2785 | || x < mouse_face_end_col | |
2786 | || mouse_face_past_end))) | |
2787 | { | |
2788 | /* Clear the display of the old active region, if any. */ | |
2789 | term_clear_mouse_face (); | |
2790 | ||
2791 | /* Find the highest priority overlay that has a mouse-face | |
2792 | property. */ | |
2793 | overlay = Qnil; | |
2794 | for (i = noverlays - 1; i >= 0; --i) | |
2795 | { | |
2796 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2797 | if (!NILP (mouse_face)) | |
2798 | { | |
2799 | overlay = overlay_vec[i]; | |
2800 | break; | |
2801 | } | |
2802 | } | |
2803 | ||
2804 | /* If no overlay applies, get a text property. */ | |
2805 | if (NILP (overlay)) | |
2806 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2807 | w->buffer); | |
2808 | ||
2809 | /* Handle the overlay case. */ | |
2810 | if (!NILP (overlay)) | |
2811 | { | |
2812 | /* Find the range of text around this char that | |
2813 | should be active. */ | |
2814 | Lisp_Object before, after; | |
0f8b27ea | 2815 | EMACS_INT ignore; |
e882229c NR |
2816 | |
2817 | ||
2818 | before = Foverlay_start (overlay); | |
2819 | after = Foverlay_end (overlay); | |
2820 | /* Record this as the current active region. */ | |
2821 | fast_find_position (w, XFASTINT (before), | |
2822 | &mouse_face_beg_col, | |
2823 | &mouse_face_beg_row); | |
2824 | ||
2825 | mouse_face_past_end | |
2826 | = !fast_find_position (w, XFASTINT (after), | |
2827 | &mouse_face_end_col, | |
2828 | &mouse_face_end_row); | |
6178ce5e | 2829 | mouse_face_window = window; |
e882229c NR |
2830 | |
2831 | mouse_face_face_id | |
2832 | = face_at_buffer_position (w, pos, 0, 0, | |
2833 | &ignore, pos + 1, 1); | |
2834 | ||
2835 | /* Display it as active. */ | |
2836 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2837 | } | |
2838 | /* Handle the text property case. */ | |
2839 | else if (!NILP (mouse_face)) | |
2840 | { | |
2841 | /* Find the range of text around this char that | |
2842 | should be active. */ | |
2843 | Lisp_Object before, after, beginning, end; | |
0f8b27ea | 2844 | EMACS_INT ignore; |
e882229c NR |
2845 | |
2846 | beginning = Fmarker_position (w->start); | |
2847 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2848 | before | |
2849 | = Fprevious_single_property_change (make_number (pos + 1), | |
2850 | Qmouse_face, | |
2851 | w->buffer, beginning); | |
2852 | after | |
2853 | = Fnext_single_property_change (position, Qmouse_face, | |
2854 | w->buffer, end); | |
2855 | ||
2856 | /* Record this as the current active region. */ | |
2857 | fast_find_position (w, XFASTINT (before), | |
2858 | &mouse_face_beg_col, | |
2859 | &mouse_face_beg_row); | |
2860 | mouse_face_past_end | |
2861 | = !fast_find_position (w, XFASTINT (after), | |
2862 | &mouse_face_end_col, | |
2863 | &mouse_face_end_row); | |
6178ce5e | 2864 | mouse_face_window = window; |
e882229c NR |
2865 | |
2866 | mouse_face_face_id | |
2867 | = face_at_buffer_position (w, pos, 0, 0, | |
2868 | &ignore, pos + 1, 1); | |
2869 | ||
2870 | /* Display it as active. */ | |
2871 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2872 | } | |
2873 | } | |
2874 | ||
2875 | /* Look for a `help-echo' property. */ | |
2876 | { | |
2877 | Lisp_Object help; | |
2878 | extern Lisp_Object Qhelp_echo; | |
2879 | ||
2880 | /* Check overlays first. */ | |
2881 | help = Qnil; | |
2882 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2883 | { | |
2884 | overlay = overlay_vec[i]; | |
2885 | help = Foverlay_get (overlay, Qhelp_echo); | |
2886 | } | |
2887 | ||
2888 | if (!NILP (help)) | |
2889 | { | |
2890 | help_echo_string = help; | |
2891 | help_echo_window = window; | |
2892 | help_echo_object = overlay; | |
2893 | help_echo_pos = pos; | |
2894 | } | |
2895 | /* Try text properties. */ | |
2896 | else if (NILP (help) | |
2897 | && ((STRINGP (glyph->object) | |
2898 | && glyph->charpos >= 0 | |
2899 | && glyph->charpos < SCHARS (glyph->object)) | |
2900 | || (BUFFERP (glyph->object) | |
2901 | && glyph->charpos >= BEGV | |
2902 | && glyph->charpos < ZV))) | |
2903 | { | |
2904 | help = Fget_text_property (make_number (glyph->charpos), | |
2905 | Qhelp_echo, glyph->object); | |
2906 | if (!NILP (help)) | |
2907 | { | |
2908 | help_echo_string = help; | |
2909 | help_echo_window = window; | |
2910 | help_echo_object = glyph->object; | |
2911 | help_echo_pos = glyph->charpos; | |
2912 | } | |
2913 | } | |
2914 | } | |
2915 | ||
2916 | BEGV = obegv; | |
2917 | ZV = ozv; | |
2918 | current_buffer = obuf; | |
2919 | } | |
2920 | } | |
2921 | } | |
2922 | ||
2923 | static int | |
2924 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2925 | { | |
2926 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2927 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2928 | { | |
2929 | frame->mouse_moved = 1; | |
80fb2ce0 | 2930 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2931 | /* Remember which glyph we're now on. */ |
2932 | last_mouse_x = event->x; | |
2933 | last_mouse_y = event->y; | |
2934 | return 1; | |
2935 | } | |
2936 | return 0; | |
2937 | } | |
2938 | ||
2939 | /* Return the current position of the mouse. | |
2940 | ||
2941 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2942 | Emacs frame. If it is set to zero, all the other arguments are | |
2943 | garbage. | |
2944 | ||
2945 | Set *bar_window to Qnil, and *x and *y to the column and | |
2946 | row of the character cell the mouse is over. | |
2947 | ||
2948 | Set *time to the time the mouse was at the returned position. | |
2949 | ||
80fb2ce0 | 2950 | This clears mouse_moved until the next motion |
94da14a0 | 2951 | event arrives. */ |
e882229c NR |
2952 | static void |
2953 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2954 | enum scroll_bar_part *part, Lisp_Object *x, | |
2955 | Lisp_Object *y, unsigned long *time) | |
2956 | { | |
e882229c | 2957 | struct timeval now; |
e882229c NR |
2958 | |
2959 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2960 | (*fp)->mouse_moved = 0; |
e882229c NR |
2961 | |
2962 | *bar_window = Qnil; | |
2963 | *part = 0; | |
2964 | ||
80fb2ce0 | 2965 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2966 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2967 | gettimeofday(&now, 0); |
2968 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2969 | } |
2970 | ||
2971 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2972 | ||
2973 | If the event is a button press, then note that we have grabbed | |
2974 | the mouse. */ | |
2975 | ||
2976 | static Lisp_Object | |
2977 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2978 | struct frame *f) | |
2979 | { | |
2980 | struct timeval now; | |
2981 | int i, j; | |
2982 | ||
2983 | result->kind = GPM_CLICK_EVENT; | |
2984 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2985 | { | |
2986 | if (event->buttons & j) { | |
2987 | result->code = i; /* button number */ | |
2988 | break; | |
2989 | } | |
2990 | } | |
2991 | gettimeofday(&now, 0); | |
2992 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2993 | ||
2994 | if (event->type & GPM_UP) | |
2995 | result->modifiers = up_modifier; | |
2996 | else if (event->type & GPM_DOWN) | |
2997 | result->modifiers = down_modifier; | |
2998 | else | |
2999 | result->modifiers = 0; | |
f4d953fc | 3000 | |
e882229c NR |
3001 | if (event->type & GPM_SINGLE) |
3002 | result->modifiers |= click_modifier; | |
f4d953fc | 3003 | |
e882229c NR |
3004 | if (event->type & GPM_DOUBLE) |
3005 | result->modifiers |= double_modifier; | |
3006 | ||
3007 | if (event->type & GPM_TRIPLE) | |
3008 | result->modifiers |= triple_modifier; | |
3009 | ||
3010 | if (event->type & GPM_DRAG) | |
3011 | result->modifiers |= drag_modifier; | |
3012 | ||
80fb2ce0 | 3013 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
3014 | |
3015 | /* 1 << KG_SHIFT */ | |
3016 | if (event->modifiers & (1 << 0)) | |
3017 | result->modifiers |= shift_modifier; | |
3018 | ||
3019 | /* 1 << KG_CTRL */ | |
3020 | if (event->modifiers & (1 << 2)) | |
3021 | result->modifiers |= ctrl_modifier; | |
3022 | ||
3023 | /* 1 << KG_ALT || KG_ALTGR */ | |
3024 | if (event->modifiers & (1 << 3) | |
3025 | || event->modifiers & (1 << 1)) | |
3026 | result->modifiers |= meta_modifier; | |
3027 | } | |
3028 | ||
80fb2ce0 NR |
3029 | XSETINT (result->x, event->x); |
3030 | XSETINT (result->y, event->y); | |
e882229c NR |
3031 | XSETFRAME (result->frame_or_window, f); |
3032 | result->arg = Qnil; | |
3033 | return Qnil; | |
3034 | } | |
3035 | ||
f4d953fc | 3036 | int |
7be1c21a | 3037 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 3038 | { |
7be1c21a | 3039 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
3040 | struct input_event ie; |
3041 | int do_help = 0; | |
3042 | int count = 0; | |
3043 | ||
3044 | EVENT_INIT (ie); | |
3045 | ie.kind = NO_EVENT; | |
3046 | ie.arg = Qnil; | |
3047 | ||
80fb2ce0 | 3048 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
3049 | previous_help_echo_string = help_echo_string; |
3050 | help_echo_string = Qnil; | |
3051 | ||
6178ce5e | 3052 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 3053 | |
80fb2ce0 NR |
3054 | if (!term_mouse_movement (f, event)) |
3055 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
3056 | |
3057 | /* If the contents of the global variable help_echo_string | |
3058 | has changed, generate a HELP_EVENT. */ | |
3059 | if (!NILP (help_echo_string) | |
3060 | || !NILP (previous_help_echo_string)) | |
3061 | do_help = 1; | |
3062 | ||
3063 | goto done; | |
3064 | } | |
3065 | else { | |
3066 | f->mouse_moved = 0; | |
3067 | term_mouse_click (&ie, event, f); | |
e882229c NR |
3068 | } |
3069 | ||
3070 | done: | |
3071 | if (ie.kind != NO_EVENT) | |
3072 | { | |
3073 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
3074 | count++; | |
3075 | } | |
3076 | ||
3077 | if (do_help | |
3078 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
3079 | { | |
3080 | Lisp_Object frame; | |
3081 | ||
3082 | if (f) | |
3083 | XSETFRAME (frame, f); | |
3084 | else | |
3085 | frame = Qnil; | |
3086 | ||
3087 | gen_help_event (help_echo_string, frame, help_echo_window, | |
3088 | help_echo_object, help_echo_pos); | |
3089 | count++; | |
3090 | } | |
3091 | ||
3092 | return count; | |
3093 | } | |
3094 | ||
6178ce5e | 3095 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 3096 | 0, 0, 0, |
71f44e7a | 3097 | doc: /* Open a connection to Gpm. |
6178ce5e | 3098 | Gpm-mouse can only be activated for one tty at a time. */) |
e882229c NR |
3099 | () |
3100 | { | |
71f44e7a SM |
3101 | struct frame *f = SELECTED_FRAME (); |
3102 | struct tty_display_info *tty | |
3103 | = ((f)->output_method == output_termcap | |
3104 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
3105 | Gpm_Connect connection; |
3106 | ||
6178ce5e SM |
3107 | if (!tty) |
3108 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
3109 | if (gpm_tty == tty) |
3110 | return Qnil; /* Already activated, nothing to do. */ | |
3111 | if (gpm_tty) | |
3112 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 3113 | |
e882229c NR |
3114 | connection.eventMask = ~0; |
3115 | connection.defaultMask = ~GPM_HARD; | |
3116 | connection.maxMod = ~0; | |
3117 | connection.minMod = 0; | |
80fb2ce0 | 3118 | gpm_zerobased = 1; |
e882229c NR |
3119 | |
3120 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 3121 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
3122 | else |
3123 | { | |
71f44e7a | 3124 | gpm_tty = tty; |
1023cbed SM |
3125 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
3126 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
3127 | before calling init_sys_modes. */ | |
7be1c21a MB |
3128 | reset_sys_modes (tty); |
3129 | init_sys_modes (tty); | |
e882229c | 3130 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 3131 | return Qnil; |
e882229c NR |
3132 | } |
3133 | } | |
3134 | ||
ed5ff21d SM |
3135 | void |
3136 | close_gpm () | |
3137 | { | |
3138 | if (gpm_fd >= 0) | |
3139 | delete_gpm_wait_descriptor (gpm_fd); | |
3140 | while (Gpm_Close()); /* close all the stack */ | |
3141 | gpm_tty = NULL; | |
3142 | } | |
3143 | ||
6178ce5e | 3144 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
3145 | 0, 0, 0, |
3146 | doc: /* Close a connection to Gpm. */) | |
3147 | () | |
3148 | { | |
4ce5ab77 SM |
3149 | struct frame *f = SELECTED_FRAME (); |
3150 | struct tty_display_info *tty | |
3151 | = ((f)->output_method == output_termcap | |
3152 | ? (f)->terminal->display_info.tty : NULL); | |
3153 | ||
3154 | if (!tty || gpm_tty != tty) | |
3155 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 3156 | |
ed5ff21d | 3157 | close_gpm (); |
6178ce5e | 3158 | return Qnil; |
e882229c | 3159 | } |
7e5a23bd | 3160 | #endif /* HAVE_GPM */ |
e882229c NR |
3161 | |
3162 | \f | |
a168702a GM |
3163 | /*********************************************************************** |
3164 | Initialization | |
3165 | ***********************************************************************/ | |
3166 | ||
ed8dad6b KL |
3167 | /* Initialize the tty-dependent part of frame F. The frame must |
3168 | already have its device initialized. */ | |
3224dac1 | 3169 | |
dfcf069d | 3170 | void |
ed8dad6b | 3171 | create_tty_output (struct frame *f) |
28d440ab | 3172 | { |
ed8dad6b KL |
3173 | struct tty_output *t; |
3174 | ||
3175 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3176 | abort (); |
3177 | ||
ed8dad6b KL |
3178 | t = xmalloc (sizeof (struct tty_output)); |
3179 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 3180 | |
6ed8eeff | 3181 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3182 | |
ed8dad6b | 3183 | f->output_data.tty = t; |
3224dac1 KL |
3184 | } |
3185 | ||
9f215d25 | 3186 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3187 | |
ed8dad6b | 3188 | static void |
9f215d25 | 3189 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3190 | { |
ed8dad6b | 3191 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3192 | abort (); |
3193 | ||
9f215d25 CY |
3194 | if (FRAME_FACE_CACHE (f)) |
3195 | free_frame_faces (f); | |
3196 | ||
ed8dad6b | 3197 | xfree (f->output_data.tty); |
28d440ab KL |
3198 | } |
3199 | ||
ed8dad6b | 3200 | \f |
47cc8819 | 3201 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3202 | |
4a665758 KL |
3203 | static void |
3204 | clear_tty_hooks (struct terminal *terminal) | |
3205 | { | |
3206 | terminal->rif = 0; | |
3207 | terminal->cursor_to_hook = 0; | |
3208 | terminal->raw_cursor_to_hook = 0; | |
3209 | terminal->clear_to_end_hook = 0; | |
3210 | terminal->clear_frame_hook = 0; | |
3211 | terminal->clear_end_of_line_hook = 0; | |
3212 | terminal->ins_del_lines_hook = 0; | |
3213 | terminal->insert_glyphs_hook = 0; | |
3214 | terminal->write_glyphs_hook = 0; | |
3215 | terminal->delete_glyphs_hook = 0; | |
3216 | terminal->ring_bell_hook = 0; | |
3217 | terminal->reset_terminal_modes_hook = 0; | |
3218 | terminal->set_terminal_modes_hook = 0; | |
3219 | terminal->update_begin_hook = 0; | |
3220 | terminal->update_end_hook = 0; | |
3221 | terminal->set_terminal_window_hook = 0; | |
3222 | terminal->mouse_position_hook = 0; | |
3223 | terminal->frame_rehighlight_hook = 0; | |
3224 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3225 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3226 | terminal->set_vertical_scroll_bar_hook = 0; |
3227 | terminal->condemn_scroll_bars_hook = 0; | |
3228 | terminal->redeem_scroll_bar_hook = 0; | |
3229 | terminal->judge_scroll_bars_hook = 0; | |
3230 | terminal->read_socket_hook = 0; | |
3231 | terminal->frame_up_to_date_hook = 0; | |
3232 | ||
3233 | /* Leave these two set, or suspended frames are not deleted | |
3234 | correctly. */ | |
9f215d25 | 3235 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3236 | terminal->delete_terminal_hook = &delete_tty; |
3237 | } | |
3238 | ||
47cc8819 DN |
3239 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3240 | ||
4a665758 KL |
3241 | static void |
3242 | set_tty_hooks (struct terminal *terminal) | |
3243 | { | |
3244 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3245 | ||
3246 | terminal->cursor_to_hook = &tty_cursor_to; | |
3247 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3248 | ||
3249 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3250 | terminal->clear_frame_hook = &tty_clear_frame; | |
3251 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3252 | ||
3253 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3254 | ||
3255 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3256 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3257 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3258 | ||
3259 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3260 | |
4a665758 KL |
3261 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3262 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3263 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3264 | terminal->update_end_hook = &tty_update_end; | |
3265 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3266 | ||
3267 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3268 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3269 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3270 | ||
3271 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3272 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3273 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3274 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3275 | ||
3276 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3277 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3278 | |
9f215d25 | 3279 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3280 | terminal->delete_terminal_hook = &delete_tty; |
3281 | } | |
3282 | ||
03a1d6bd | 3283 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3284 | static void |
03a1d6bd KL |
3285 | dissociate_if_controlling_tty (int fd) |
3286 | { | |
84704c5c | 3287 | #ifndef DOS_NT |
03a1d6bd | 3288 | int pgid; |
8516815b | 3289 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3290 | if (pgid != -1) |
3291 | { | |
8516815b | 3292 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
3293 | setpgrp (); |
3294 | no_controlling_tty = 1; | |
de52dcbb DN |
3295 | #elif defined (CYGWIN) |
3296 | setsid (); | |
3297 | no_controlling_tty = 1; | |
03a1d6bd KL |
3298 | #else |
3299 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3300 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3301 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3302 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3303 | { | |
3304 | no_controlling_tty = 1; | |
3305 | } | |
3306 | if (fd != -1) | |
3307 | emacs_close (fd); | |
3308 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3309 | #else |
8516815b KL |
3310 | /* Unknown system. */ |
3311 | croak (); | |
03a1d6bd KL |
3312 | #endif /* ! TIOCNOTTY */ |
3313 | #endif /* ! USG */ | |
71a96040 | 3314 | } |
84704c5c | 3315 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3316 | } |
3317 | ||
520c4dfd KL |
3318 | static void maybe_fatal(); |
3319 | ||
3224dac1 KL |
3320 | /* Create a termcap display on the tty device with the given name and |
3321 | type. | |
3322 | ||
ab797f65 | 3323 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3324 | Otherwise NAME should be a path to the tty device file, |
3325 | e.g. "/dev/pts/7". | |
28d440ab | 3326 | |
3224dac1 KL |
3327 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3328 | ||
3329 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3330 | |
6ed8eeff | 3331 | struct terminal * |
a4c6993d | 3332 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3333 | { |
59b3194c | 3334 | char *area = NULL; |
08a24c47 | 3335 | char **address = &area; |
6b61353c | 3336 | int buffer_size = 4096; |
59b3194c | 3337 | register char *p = NULL; |
08a24c47 | 3338 | int status; |
59b3194c KL |
3339 | struct tty_display_info *tty = NULL; |
3340 | struct terminal *terminal = NULL; | |
3341 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3342 | |
3224dac1 | 3343 | if (!terminal_type) |
d31eee5e | 3344 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3345 | "Unknown terminal type", |
3346 | "Unknown terminal type"); | |
b6660415 | 3347 | |
ab797f65 | 3348 | if (name == NULL) |
78048085 EZ |
3349 | name = DEV_TTY; |
3350 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3351 | ctty = 1; |
3352 | ||
6ed8eeff KL |
3353 | /* If we already have a terminal on the given device, use that. If |
3354 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3355 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3356 | always create a new terminal and separating terminal and frame |
b6660415 | 3357 | creation on Lisp level. */ |
6ed8eeff KL |
3358 | terminal = get_named_tty (name); |
3359 | if (terminal) | |
3360 | return terminal; | |
78048085 | 3361 | |
6ed8eeff | 3362 | terminal = create_terminal (); |
84704c5c EZ |
3363 | #ifdef MSDOS |
3364 | if (been_here > 0) | |
d31eee5e | 3365 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3366 | name, ""); |
3367 | been_here = 1; | |
3368 | tty = &the_only_display_info; | |
3369 | #else | |
3224dac1 | 3370 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3371 | #endif |
3224dac1 KL |
3372 | bzero (tty, sizeof (struct tty_display_info)); |
3373 | tty->next = tty_list; | |
3374 | tty_list = tty; | |
428a555e | 3375 | |
6ed8eeff KL |
3376 | terminal->type = output_termcap; |
3377 | terminal->display_info.tty = tty; | |
3378 | tty->terminal = terminal; | |
28d440ab | 3379 | |
7b00d185 KL |
3380 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3381 | Wcm_clear (tty); | |
daf01701 | 3382 | |
84704c5c | 3383 | #ifndef DOS_NT |
4a665758 | 3384 | set_tty_hooks (terminal); |
78048085 | 3385 | |
59b3194c KL |
3386 | { |
3387 | int fd; | |
3388 | FILE *file; | |
0c72d684 KL |
3389 | |
3390 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3391 | if (!ctty) |
0c72d684 KL |
3392 | /* Open the terminal device. Don't recognize it as our |
3393 | controlling terminal, and don't make it the controlling tty | |
3394 | if we don't have one at the moment. */ | |
3395 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3396 | else |
0c72d684 | 3397 | #else |
2666355c | 3398 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3399 | defined on Hurd. On other systems, we need to explicitly |
3400 | dissociate ourselves from the controlling tty when we want to | |
3401 | open a frame on the same terminal. */ | |
0c72d684 | 3402 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3403 | #endif /* O_IGNORE_CTTY */ |
3404 | ||
97c6058a DN |
3405 | tty->name = xstrdup (name); |
3406 | terminal->name = xstrdup (name); | |
3407 | ||
59b3194c | 3408 | if (fd < 0) |
d31eee5e | 3409 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3410 | "Could not open file: %s", |
3411 | "Could not open file: %s", | |
3412 | name); | |
3413 | if (!isatty (fd)) | |
3414 | { | |
3415 | close (fd); | |
d31eee5e | 3416 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3417 | "Not a tty device: %s", |
3418 | "Not a tty device: %s", | |
3419 | name); | |
3420 | } | |
0c72d684 | 3421 | |
59b3194c KL |
3422 | #ifndef O_IGNORE_CTTY |
3423 | if (!ctty) | |
03a1d6bd | 3424 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3425 | #endif |
3426 | ||
3427 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3428 | tty->input = file; |
3429 | tty->output = file; | |
3430 | } | |
78048085 | 3431 | |
28d7d09f | 3432 | tty->type = xstrdup (terminal_type); |
28d440ab | 3433 | |
84704c5c | 3434 | #ifdef subprocesses |
819b8f00 | 3435 | add_keyboard_wait_descriptor (fileno (tty->input)); |
55d5acfa | 3436 | #endif |
08a24c47 | 3437 | |
84704c5c EZ |
3438 | #endif /* !DOS_NT */ |
3439 | ||
288d5132 KH |
3440 | encode_terminal_src_size = 0; |
3441 | encode_terminal_dst_size = 0; | |
af645abf | 3442 | |
7e5a23bd | 3443 | #ifdef HAVE_GPM |
88acaaf2 | 3444 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3445 | mouse_face_window = Qnil; |
e882229c NR |
3446 | #endif |
3447 | ||
84704c5c | 3448 | #ifdef DOS_NT |
cb28b9c2 | 3449 | #ifdef WINDOWSNT |
953bf0dc | 3450 | initialize_w32_display (terminal); |
84704c5c EZ |
3451 | #else /* MSDOS */ |
3452 | if (strcmp (terminal_type, "internal") == 0) | |
3453 | terminal->type = output_msdos_raw; | |
3454 | initialize_msdos_display (terminal); | |
3455 | #endif /* MSDOS */ | |
3456 | tty->output = stdout; | |
3457 | tty->input = stdin; | |
a0236551 | 3458 | /* The following two are inaccessible from w32console.c. */ |
9f215d25 | 3459 | terminal->delete_frame_hook = &tty_free_frame_resources; |
a0236551 | 3460 | terminal->delete_terminal_hook = &delete_tty; |
cb28b9c2 | 3461 | |
78048085 EZ |
3462 | tty->name = xstrdup (name); |
3463 | terminal->name = xstrdup (name); | |
3464 | tty->type = xstrdup (terminal_type); | |
cb28b9c2 | 3465 | |
84704c5c | 3466 | #ifdef subprocesses |
a0236551 | 3467 | add_keyboard_wait_descriptor (0); |
84704c5c | 3468 | #endif |
cb28b9c2 | 3469 | |
a0236551 | 3470 | Wcm_clear (tty); |
cb28b9c2 | 3471 | |
84704c5c | 3472 | #ifdef WINDOWSNT |
5d333979 JR |
3473 | { |
3474 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3475 | |
a0236551 JR |
3476 | FrameRows (tty) = FRAME_LINES (f); |
3477 | FrameCols (tty) = FRAME_COLS (f); | |
3478 | tty->specified_window = FRAME_LINES (f); | |
cb28b9c2 | 3479 | |
a0236551 JR |
3480 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3481 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 | 3482 | } |
84704c5c EZ |
3483 | #else /* MSDOS */ |
3484 | { | |
3485 | int height, width; | |
3486 | get_tty_size (fileno (tty->input), &width, &height); | |
3487 | FrameCols (tty) = width; | |
3488 | FrameRows (tty) = height; | |
3489 | } | |
3490 | #endif /* MSDOS */ | |
5d333979 | 3491 | tty->delete_in_insert_mode = 1; |
cb28b9c2 | 3492 | |
daf01701 | 3493 | UseTabs (tty) = 0; |
6ed8eeff | 3494 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3495 | |
7e59217d | 3496 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3497 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3498 | don't think we're losing anything by turning it off. */ |
6ed8eeff | 3499 | terminal->line_ins_del_ok = 0; |
84704c5c | 3500 | #ifdef WINDOWSNT |
6ed8eeff | 3501 | terminal->char_ins_del_ok = 1; |
cb28b9c2 | 3502 | baud_rate = 19200; |
84704c5c EZ |
3503 | #else /* MSDOS */ |
3504 | terminal->char_ins_del_ok = 0; | |
3505 | init_baud_rate (fileno (tty->input)); | |
3506 | #endif /* MSDOS */ | |
cb28b9c2 | 3507 | |
5d333979 | 3508 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3509 | |
84704c5c | 3510 | #else /* not DOS_NT */ |
cb28b9c2 | 3511 | |
6548cf00 | 3512 | Wcm_clear (tty); |
08a24c47 | 3513 | |
d31eee5e | 3514 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3515 | |
03a1d6bd KL |
3516 | /* On some systems, tgetent tries to access the controlling |
3517 | terminal. */ | |
3518 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3519 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3520 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3521 | |
08a24c47 | 3522 | if (status < 0) |
b0347178 KH |
3523 | { |
3524 | #ifdef TERMINFO | |
d31eee5e | 3525 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3526 | "Cannot open terminfo database file", |
3527 | "Cannot open terminfo database file"); | |
b0347178 | 3528 | #else |
d31eee5e | 3529 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3530 | "Cannot open termcap database file", |
3531 | "Cannot open termcap database file"); | |
b0347178 KH |
3532 | #endif |
3533 | } | |
08a24c47 | 3534 | if (status == 0) |
b0347178 KH |
3535 | { |
3536 | #ifdef TERMINFO | |
d31eee5e | 3537 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3538 | "Terminal type %s is not defined", |
3539 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3540 | If that is not the actual type of terminal you have,\n\ |
3541 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3542 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3543 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 3544 | terminal_type); |
b0347178 | 3545 | #else |
d31eee5e | 3546 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3547 | "Terminal type %s is not defined", |
3548 | "Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
3549 | If that is not the actual type of terminal you have,\n\ |
3550 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3551 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3552 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 3553 | terminal_type); |
b0347178 KH |
3554 | #endif |
3555 | } | |
6b61353c KH |
3556 | |
3557 | #ifndef TERMINFO | |
d31eee5e | 3558 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3559 | abort (); |
d31eee5e | 3560 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3561 | #endif |
d31eee5e | 3562 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3563 | tty->TS_ins_line = tgetstr ("al", address); |
3564 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3565 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3566 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3567 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3568 | tty->TS_clr_line = tgetstr ("ce", address); | |
3569 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3570 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3571 | AbsPosition (tty) = tgetstr ("cm", address); | |
3572 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3573 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3574 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3575 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3576 | tty->TS_del_char = tgetstr ("dc", address); |
3577 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3578 | tty->TS_del_line = tgetstr ("dl", address); | |
3579 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3580 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3581 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3582 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3583 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3584 | tty->TS_ins_char = tgetstr ("ic", address); |
3585 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3586 | tty->TS_insert_mode = tgetstr ("im", address); | |
3587 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3588 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3589 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3590 | LastLine (tty) = tgetstr ("ll", address); |
3591 | Right (tty) = tgetstr ("nd", address); | |
3592 | Down (tty) = tgetstr ("do", address); | |
3593 | if (!Down (tty)) | |
3594 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3595 | if (tgetflag ("bs")) |
6548cf00 | 3596 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3597 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3598 | Left (tty) = tgetstr ("le", address); |
3599 | if (!Left (tty)) | |
3600 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3601 | tty->TS_pad_char = tgetstr ("pc", address); |
3602 | tty->TS_repeat = tgetstr ("rp", address); | |
3603 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3604 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3605 | tty->TS_standout_mode = tgetstr ("so", address); | |
3606 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3607 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3608 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3609 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3610 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3611 | tty->TS_visible_bell = tgetstr ("vb", address); |
3612 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3613 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3614 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3615 | tty->TS_set_window = tgetstr ("wi", address); | |
3616 | ||
3617 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3618 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3619 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3620 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3621 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3622 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3623 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3624 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3625 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3626 | |
6548cf00 KL |
3627 | MultiUp (tty) = tgetstr ("UP", address); |
3628 | MultiDown (tty) = tgetstr ("DO", address); | |
3629 | MultiLeft (tty) = tgetstr ("LE", address); | |
3630 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3631 | |
e7f90eab GM |
3632 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3633 | color because we can't switch back to the default foreground and | |
3634 | background. */ | |
fca177d4 KL |
3635 | tty->TS_orig_pair = tgetstr ("op", address); |
3636 | if (tty->TS_orig_pair) | |
a168702a | 3637 | { |
fca177d4 KL |
3638 | tty->TS_set_foreground = tgetstr ("AF", address); |
3639 | tty->TS_set_background = tgetstr ("AB", address); | |
3640 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3641 | { |
3642 | /* SVr4. */ | |
fca177d4 KL |
3643 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3644 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3645 | } |
177c0ea7 | 3646 | |
fca177d4 KL |
3647 | tty->TN_max_colors = tgetnum ("Co"); |
3648 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3649 | |
fca177d4 KL |
3650 | tty->TN_no_color_video = tgetnum ("NC"); |
3651 | if (tty->TN_no_color_video == -1) | |
3652 | tty->TN_no_color_video = 0; | |
a168702a | 3653 | } |
a168702a | 3654 | |
fca177d4 | 3655 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3656 | |
6548cf00 | 3657 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3658 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3659 | the former flag imply the latter. */ | |
6548cf00 | 3660 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3661 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3662 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3663 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3664 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3665 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3666 | tty->TF_standout_motion = tgetflag ("ms"); | |
3667 | tty->TF_underscore = tgetflag ("ul"); | |
3668 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3669 | |
84704c5c | 3670 | #endif /* !DOS_NT */ |
6ed8eeff KL |
3671 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3672 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3673 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3674 | terminal->kboard->next_kboard = all_kboards; |
3675 | all_kboards = terminal->kboard; | |
3676 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3677 | /* Don't let the initial kboard remain current longer than necessary. |
3678 | That would cause problems if a file loaded on startup tries to | |
3679 | prompt in the mini-buffer. */ | |
3680 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3681 | current_kboard = terminal->kboard; |
84704c5c | 3682 | #ifndef DOS_NT |
6ed8eeff | 3683 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3684 | |
ff11dfa1 | 3685 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3686 | { |
3687 | int height, width; | |
0b0d3e0b | 3688 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3689 | FrameCols (tty) = width; |
3690 | FrameRows (tty) = height; | |
3b12ce12 RS |
3691 | } |
3692 | ||
0a125897 KL |
3693 | if (FrameCols (tty) <= 0) |
3694 | FrameCols (tty) = tgetnum ("co"); | |
3695 | if (FrameRows (tty) <= 0) | |
3696 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3697 | |
0a125897 | 3698 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3699 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3700 | "Screen size %dx%d is too small" |
3701 | "Screen size %dx%d is too small", | |
0a125897 | 3702 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3703 | |
8a56675d | 3704 | #if 0 /* This is not used anywhere. */ |
6ed8eeff | 3705 | tty->terminal->min_padding_speed = tgetnum ("pb"); |
8a56675d | 3706 | #endif |
28d440ab | 3707 | |
6548cf00 | 3708 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3709 | |
fca177d4 KL |
3710 | if (!tty->TS_bell) |
3711 | tty->TS_bell = "\07"; | |
08a24c47 | 3712 | |
fca177d4 KL |
3713 | if (!tty->TS_fwd_scroll) |
3714 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3715 | |
fca177d4 | 3716 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3717 | |
6548cf00 KL |
3718 | if (TabWidth (tty) < 0) |
3719 | TabWidth (tty) = 8; | |
177c0ea7 | 3720 | |
08a24c47 JB |
3721 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3722 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3723 | if (!tty->Wcm->cm_tab) |
3724 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3725 | */ |
3726 | ||
54800acb MB |
3727 | /* We don't support standout modes that use `magic cookies', so |
3728 | turn off any that do. */ | |
fca177d4 | 3729 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3730 | { |
fca177d4 KL |
3731 | tty->TS_standout_mode = 0; |
3732 | tty->TS_end_standout_mode = 0; | |
54800acb | 3733 | } |
fca177d4 | 3734 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3735 | { |
fca177d4 KL |
3736 | tty->TS_enter_underline_mode = 0; |
3737 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3738 | } |
3739 | ||
3740 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3741 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3742 | { |
fca177d4 KL |
3743 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3744 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3745 | } |
3746 | ||
afd359c4 RS |
3747 | /* If no `se' string, try using a `me' string instead. |
3748 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3749 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3750 | { |
e4bfb3b6 | 3751 | char *s = tgetstr ("me", address); |
afd359c4 | 3752 | if (s != 0) |
fca177d4 | 3753 | tty->TS_end_standout_mode = s; |
afd359c4 | 3754 | else |
fca177d4 | 3755 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3756 | } |
3757 | ||
fca177d4 | 3758 | if (tty->TF_teleray) |
08a24c47 | 3759 | { |
6548cf00 | 3760 | tty->Wcm->cm_tab = 0; |
54800acb | 3761 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3762 | tty->TS_standout_mode = 0; |
08a24c47 | 3763 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3764 | CR (tty) = 0; |
08a24c47 JB |
3765 | /* LF can't be trusted either -- can alter hpos */ |
3766 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3767 | Down (tty) = 0; |
08a24c47 JB |
3768 | } |
3769 | ||
3770 | /* Special handling for certain terminal types known to need it */ | |
3771 | ||
3772 | if (!strcmp (terminal_type, "supdup")) | |
3773 | { | |
6ed8eeff | 3774 | terminal->memory_below_frame = 1; |
6548cf00 | 3775 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3776 | } |
3777 | if (!strncmp (terminal_type, "c10", 3) | |
3778 | || !strcmp (terminal_type, "perq")) | |
3779 | { | |
3780 | /* Supply a makeshift :wi string. | |
3781 | This string is not valid in general since it works only | |
3782 | for windows starting at the upper left corner; | |
3783 | but that is all Emacs uses. | |
3784 | ||
ff11dfa1 | 3785 | This string works only if the frame is using |
08a24c47 JB |
3786 | the top of the video memory, because addressing is memory-relative. |
3787 | So first check the :ti string to see if that is true. | |
3788 | ||
3789 | It would be simpler if the :wi string could go in the termcap | |
3790 | entry, but it can't because it is not fully valid. | |
3791 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3792 | if (!tty->TS_set_window) |
08a24c47 | 3793 | { |
fca177d4 | 3794 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3795 | while (*p && strcmp (p, "\033v ")) |
3796 | p++; | |
3797 | if (*p) | |
fca177d4 | 3798 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3799 | } |
3800 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3801 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3802 | /* :ti string typically fails to have \E^G! in it */ |
3803 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3804 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3805 | strcat (area, "\033\007!"); |
fca177d4 | 3806 | tty->TS_termcap_modes = area; |
08a24c47 | 3807 | area += strlen (area) + 1; |
6548cf00 | 3808 | p = AbsPosition (tty); |
08a24c47 | 3809 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3810 | values above 96 correctly for the C100. */ |
08a24c47 | 3811 | while (*p) |
28d440ab KL |
3812 | { |
3813 | if (p[0] == '%' && p[1] == '+') | |
3814 | p[1] = 'C'; | |
3815 | p++; | |
3816 | } | |
08a24c47 JB |
3817 | } |
3818 | ||
0a125897 | 3819 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3820 | |
6548cf00 | 3821 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3822 | { |
d31eee5e | 3823 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3824 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
37dad45a | 3825 | # ifdef TERMINFO |
3224dac1 | 3826 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3827 | It lacks the ability to position the cursor.\n\ |
3828 | If that is not the actual type of terminal you have,\n\ | |
3829 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3830 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3831 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 3832 | # else /* TERMCAP */ |
3224dac1 | 3833 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3834 | It lacks the ability to position the cursor.\n\ |
3835 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
3836 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3837 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3838 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3839 | # endif /* TERMINFO */ |
3224dac1 | 3840 | terminal_type); |
fca177d4 | 3841 | } |
daf01701 | 3842 | |
0a125897 | 3843 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3844 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3845 | "Could not determine the frame size", |
3846 | "Could not determine the frame size"); | |
08a24c47 | 3847 | |
fca177d4 KL |
3848 | tty->delete_in_insert_mode |
3849 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3850 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3851 | |
fca177d4 KL |
3852 | tty->se_is_so = (tty->TS_standout_mode |
3853 | && tty->TS_end_standout_mode | |
3854 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3855 | |
0b0d3e0b | 3856 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3857 | |
6ed8eeff | 3858 | terminal->scroll_region_ok |
6548cf00 | 3859 | = (tty->Wcm->cm_abs |
fca177d4 | 3860 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3861 | |
6ed8eeff | 3862 | terminal->line_ins_del_ok |
fca177d4 KL |
3863 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3864 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3865 | || (terminal->scroll_region_ok |
fca177d4 | 3866 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3867 | |
6ed8eeff | 3868 | terminal->char_ins_del_ok |
fca177d4 KL |
3869 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3870 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3871 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3872 | |
6ed8eeff | 3873 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3874 | |
0b0d3e0b | 3875 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3876 | |
84704c5c | 3877 | #endif /* not DOS_NT */ |
635e3b29 | 3878 | |
0a125897 KL |
3879 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3880 | init_sys_modes (tty); | |
daf01701 | 3881 | |
6ed8eeff | 3882 | return terminal; |
08a24c47 JB |
3883 | } |
3884 | ||
a4c6993d | 3885 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3886 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3887 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3888 | |
3224dac1 | 3889 | static void |
d31eee5e | 3890 | maybe_fatal (must_succeed, terminal, str1, str2, arg1, arg2) |
3224dac1 | 3891 | int must_succeed; |
6ed8eeff | 3892 | struct terminal *terminal; |
3224dac1 KL |
3893 | char *str1, *str2, *arg1, *arg2; |
3894 | { | |
6ed8eeff KL |
3895 | if (terminal) |
3896 | delete_tty (terminal); | |
f4d953fc | 3897 | |
3224dac1 KL |
3898 | if (must_succeed) |
3899 | fatal (str2, arg1, arg2); | |
3900 | else | |
3901 | error (str1, arg1, arg2); | |
3902 | ||
3903 | abort (); | |
08a24c47 JB |
3904 | } |
3905 | ||
dfcf069d | 3906 | void |
7c401d15 | 3907 | fatal (const char *str, ...) |
08a24c47 | 3908 | { |
7c401d15 DN |
3909 | va_list ap; |
3910 | va_start (ap, str); | |
08a24c47 | 3911 | fprintf (stderr, "emacs: "); |
7c401d15 DN |
3912 | vfprintf (stderr, str, ap); |
3913 | va_end (ap); | |
08a24c47 JB |
3914 | fflush (stderr); |
3915 | exit (1); | |
3916 | } | |
07c57952 | 3917 | |
819b8f00 KL |
3918 | \f |
3919 | ||
6ed8eeff | 3920 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3921 | |
ed8dad6b | 3922 | static void |
6ed8eeff | 3923 | delete_tty (struct terminal *terminal) |
072d84a6 | 3924 | { |
428a555e | 3925 | struct tty_display_info *tty; |
fca177d4 | 3926 | Lisp_Object tail, frame; |
6ed8eeff | 3927 | int last_terminal; |
f4d953fc | 3928 | |
e2749141 | 3929 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3930 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3931 | if (!terminal->name) |
0a125897 | 3932 | return; |
fca177d4 | 3933 | |
6ed8eeff | 3934 | if (terminal->type != output_termcap) |
428a555e KL |
3935 | abort (); |
3936 | ||
6ed8eeff | 3937 | tty = terminal->display_info.tty; |
f4d953fc | 3938 | |
6ed8eeff | 3939 | last_terminal = 1; |
81be1a93 KL |
3940 | FOR_EACH_FRAME (tail, frame) |
3941 | { | |
3942 | struct frame *f = XFRAME (frame); | |
3943 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
3944 | { | |
6ed8eeff | 3945 | last_terminal = 0; |
81be1a93 KL |
3946 | break; |
3947 | } | |
3948 | } | |
6ed8eeff KL |
3949 | if (last_terminal) |
3950 | error ("Attempt to delete the sole terminal device with live frames"); | |
f4d953fc | 3951 | |
fca177d4 KL |
3952 | if (tty == tty_list) |
3953 | tty_list = tty->next; | |
3954 | else | |
3955 | { | |
28d7d09f | 3956 | struct tty_display_info *p; |
fca177d4 KL |
3957 | for (p = tty_list; p && p->next != tty; p = p->next) |
3958 | ; | |
3959 | ||
3960 | if (! p) | |
3961 | /* This should not happen. */ | |
3962 | abort (); | |
3963 | ||
0a125897 KL |
3964 | p->next = tty->next; |
3965 | tty->next = 0; | |
fca177d4 KL |
3966 | } |
3967 | ||
7e59217d | 3968 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3969 | before delete_terminal. */ |
04c3243c | 3970 | reset_sys_modes (tty); |
fca177d4 | 3971 | |
6ed8eeff | 3972 | delete_terminal (terminal); |
3224dac1 | 3973 | |
70fdbb46 JM |
3974 | xfree (tty->name); |
3975 | xfree (tty->type); | |
daf01701 | 3976 | |
fca177d4 | 3977 | if (tty->input) |
819b8f00 | 3978 | { |
84704c5c | 3979 | #ifdef subprocesses |
819b8f00 | 3980 | delete_keyboard_wait_descriptor (fileno (tty->input)); |
84704c5c | 3981 | #endif |
819b8f00 KL |
3982 | if (tty->input != stdin) |
3983 | fclose (tty->input); | |
3984 | } | |
3985 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3986 | fclose (tty->output); |
3987 | if (tty->termscript) | |
3988 | fclose (tty->termscript); | |
daf01701 | 3989 | |
70fdbb46 JM |
3990 | xfree (tty->old_tty); |
3991 | xfree (tty->Wcm); | |
d31eee5e CY |
3992 | if (tty->termcap_strings_buffer) |
3993 | xfree (tty->termcap_strings_buffer); | |
3994 | if (tty->termcap_term_buffer) | |
3995 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3996 | |
28d7d09f | 3997 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3998 | xfree (tty); |
fca177d4 KL |
3999 | } |
4000 | ||
428a555e KL |
4001 | \f |
4002 | ||
28d7d09f | 4003 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 4004 | Called by the Fgarbage_collector. */ |
da8e1115 | 4005 | |
fca177d4 | 4006 | void |
ed8dad6b | 4007 | mark_ttys (void) |
fca177d4 | 4008 | { |
28d7d09f | 4009 | struct tty_display_info *tty; |
0c72d684 | 4010 | |
819b8f00 | 4011 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 4012 | mark_object (tty->top_frame); |
072d84a6 RS |
4013 | } |
4014 | ||
428a555e KL |
4015 | \f |
4016 | ||
dfcf069d | 4017 | void |
07c57952 KH |
4018 | syms_of_term () |
4019 | { | |
7ee72033 MB |
4020 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
4021 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 4022 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4023 | #ifdef TERMINFO |
4024 | system_uses_terminfo = 1; | |
4025 | #else | |
4026 | system_uses_terminfo = 0; | |
4027 | #endif | |
c291d9ef | 4028 | |
e4019195 DN |
4029 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
4030 | doc: /* Functions to be run after suspending a tty. | |
ab797f65 | 4031 | The functions are run with one argument, the terminal id to be suspended. |
0b0d3e0b | 4032 | See `suspend-tty'. */); |
e4019195 | 4033 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4034 | |
4035 | ||
e4019195 DN |
4036 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
4037 | doc: /* Functions to be run after resuming a tty. | |
ab797f65 | 4038 | The functions are run with one argument, the terminal id that was revived. |
0b0d3e0b | 4039 | See `resume-tty'. */); |
e4019195 | 4040 | Vresume_tty_functions = Qnil; |
a168702a | 4041 | |
0db017c0 SM |
4042 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
4043 | doc: /* Non-nil means to make the cursor very visible. | |
4044 | This only has an effect when running in a text terminal. | |
4045 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4046 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4047 | visible_cursor = 1; | |
4048 | ||
a168702a | 4049 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4050 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4051 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4052 | defsubr (&Stty_type); |
4053 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
4054 | defsubr (&Ssuspend_tty); |
4055 | defsubr (&Sresume_tty); | |
7e5a23bd | 4056 | #ifdef HAVE_GPM |
6178ce5e SM |
4057 | defsubr (&Sgpm_mouse_start); |
4058 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 4059 | |
6178ce5e | 4060 | staticpro (&mouse_face_window); |
7e5a23bd | 4061 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4062 | |
84704c5c | 4063 | #ifndef DOS_NT |
3a7c5d40 CY |
4064 | default_orig_pair = NULL; |
4065 | default_set_foreground = NULL; | |
4066 | default_set_background = NULL; | |
84704c5c | 4067 | #endif /* !DOS_NT */ |
d31eee5e CY |
4068 | |
4069 | encode_terminal_src = NULL; | |
4070 | encode_terminal_dst = NULL; | |
07c57952 | 4071 | } |
a168702a | 4072 | |
819b8f00 KL |
4073 | |
4074 | ||
6b61353c KH |
4075 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
4076 | (do not change this comment) */ |