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, |
8cabe764 GM |
3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
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" |
a168702a | 60 | |
ff23e1dd GM |
61 | /* For now, don't try to include termcap.h. On some systems, |
62 | configure finds a non-standard termcap.h that the main build | |
63 | won't find. */ | |
64 | ||
65 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 66 | #include <termcap.h> |
46d1b2bc DL |
67 | #else |
68 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
69 | extern int tgetent P_ ((char *, const char *)); | |
70 | extern int tgetflag P_ ((char *id)); | |
71 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
72 | #endif |
73 | ||
eccec691 | 74 | #include "cm.h" |
dfcf069d AS |
75 | #ifdef HAVE_X_WINDOWS |
76 | #include "xterm.h" | |
77 | #endif | |
e0f712ba | 78 | #ifdef MAC_OS |
1a578e9b AC |
79 | #include "macterm.h" |
80 | #endif | |
c8951b18 | 81 | |
28d440ab KL |
82 | #ifndef O_RDWR |
83 | #define O_RDWR 2 | |
84 | #endif | |
6b61353c | 85 | |
0c72d684 KL |
86 | #ifndef O_NOCTTY |
87 | #define O_NOCTTY 0 | |
88 | #endif | |
6b61353c | 89 | |
78048085 EZ |
90 | /* The name of the default console device. */ |
91 | #ifdef WINDOWSNT | |
92 | #define DEV_TTY "CONOUT$" | |
93 | #else | |
94 | #define DEV_TTY "/dev/tty" | |
95 | #endif | |
a168702a | 96 | |
ed8dad6b | 97 | static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop)); |
a168702a GM |
98 | static void turn_on_face P_ ((struct frame *, int face_id)); |
99 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
100 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
101 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
ed8dad6b | 102 | static void tty_background_highlight P_ ((struct tty_display_info *tty)); |
4a665758 KL |
103 | static void clear_tty_hooks P_ ((struct terminal *terminal)); |
104 | static void set_tty_hooks P_ ((struct terminal *terminal)); | |
ed8dad6b | 105 | static void dissociate_if_controlling_tty P_ ((int fd)); |
6ed8eeff | 106 | static void delete_tty P_ ((struct terminal *)); |
a168702a | 107 | |
6548cf00 KL |
108 | #define OUTPUT(tty, a) \ |
109 | emacs_tputs ((tty), a, \ | |
110 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
111 | - curY (tty)), \ | |
112 | cmputc) | |
113 | ||
28d440ab KL |
114 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
115 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 116 | |
28d440ab | 117 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
118 | do { \ |
119 | if (a) \ | |
120 | emacs_tputs ((tty), a, \ | |
121 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
122 | - curY (tty) ), \ | |
123 | cmputc); \ | |
124 | } while (0) | |
177c0ea7 | 125 | |
28d440ab | 126 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 127 | |
0db017c0 SM |
128 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
129 | ||
130 | static int visible_cursor; | |
131 | ||
f46c2aff | 132 | /* Display space properties */ |
08a24c47 | 133 | |
f46c2aff | 134 | extern Lisp_Object Qspace, QCalign_to, QCwidth; |
08a24c47 | 135 | |
0b0d3e0b | 136 | /* Functions to call after suspending a tty. */ |
e4019195 | 137 | Lisp_Object Vsuspend_tty_functions; |
08a24c47 | 138 | |
0b0d3e0b | 139 | /* Functions to call after resuming a tty. */ |
e4019195 | 140 | Lisp_Object Vresume_tty_functions; |
08a24c47 | 141 | |
428a555e | 142 | /* Chain of all tty device parameters. */ |
28d7d09f | 143 | struct tty_display_info *tty_list; |
08a24c47 | 144 | |
fca177d4 KL |
145 | /* Nonzero means no need to redraw the entire frame on resuming a |
146 | suspended Emacs. This is useful on terminals with multiple | |
147 | pages, where one page is used for Emacs and another for all | |
148 | else. */ | |
08a24c47 | 149 | int no_redraw_on_reenter; |
4e6ba4a4 GM |
150 | |
151 | /* Meaning of bits in no_color_video. Each bit set means that the | |
152 | corresponding attribute cannot be combined with colors. */ | |
153 | ||
154 | enum no_color_bit | |
155 | { | |
156 | NC_STANDOUT = 1 << 0, | |
157 | NC_UNDERLINE = 1 << 1, | |
158 | NC_REVERSE = 1 << 2, | |
159 | NC_BLINK = 1 << 3, | |
160 | NC_DIM = 1 << 4, | |
161 | NC_BOLD = 1 << 5, | |
162 | NC_INVIS = 1 << 6, | |
163 | NC_PROTECT = 1 << 7, | |
164 | NC_ALT_CHARSET = 1 << 8 | |
165 | }; | |
166 | ||
08a24c47 JB |
167 | /* internal state */ |
168 | ||
8dd0c7cb | 169 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 170 | |
9882535b | 171 | int max_frame_cols; |
a168702a | 172 | |
8dd0c7cb | 173 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 174 | |
9882535b | 175 | int max_frame_lines; |
8dd0c7cb | 176 | |
0c72d684 KL |
177 | /* Non-zero if we have dropped our controlling tty and therefore |
178 | should not open a frame on stdout. */ | |
179 | static int no_controlling_tty; | |
08a24c47 | 180 | |
07c57952 | 181 | /* Provided for lisp packages. */ |
a168702a | 182 | |
07c57952 KH |
183 | static int system_uses_terminfo; |
184 | ||
08a24c47 | 185 | char *tparam (); |
e4bfb3b6 RS |
186 | |
187 | extern char *tgetstr (); | |
08a24c47 | 188 | \f |
cb28b9c2 | 189 | |
7e5a23bd | 190 | #ifdef HAVE_GPM |
e882229c | 191 | #include <sys/fcntl.h> |
e882229c | 192 | |
b870aa61 SM |
193 | static void term_clear_mouse_face (); |
194 | static void term_mouse_highlight (struct frame *f, int x, int y); | |
195 | ||
71f44e7a SM |
196 | /* The device for which we have enabled gpm support (or NULL). */ |
197 | struct tty_display_info *gpm_tty = NULL; | |
e882229c NR |
198 | |
199 | /* These variables describe the range of text currently shown in its | |
200 | mouse-face, together with the window they apply to. As long as | |
201 | the mouse stays within this range, we need not redraw anything on | |
202 | its account. Rows and columns are glyph matrix positions in | |
203 | MOUSE_FACE_WINDOW. */ | |
204 | static int mouse_face_beg_row, mouse_face_beg_col; | |
205 | static int mouse_face_end_row, mouse_face_end_col; | |
206 | static int mouse_face_past_end; | |
6178ce5e | 207 | static Lisp_Object mouse_face_window; |
e882229c NR |
208 | static int mouse_face_face_id; |
209 | ||
e882229c NR |
210 | static int pos_x, pos_y; |
211 | static int last_mouse_x, last_mouse_y; | |
7e5a23bd | 212 | #endif /* HAVE_GPM */ |
e882229c | 213 | |
da8e1115 | 214 | /* Ring the bell on a tty. */ |
c291d9ef | 215 | |
ed8dad6b | 216 | static void |
385ed61f | 217 | tty_ring_bell (struct frame *f) |
3224dac1 | 218 | { |
3224dac1 | 219 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 220 | |
b6660415 KL |
221 | if (tty->output) |
222 | { | |
223 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
224 | ? tty->TS_visible_bell | |
225 | : tty->TS_bell)); | |
226 | fflush (tty->output); | |
08a24c47 | 227 | } |
08a24c47 JB |
228 | } |
229 | ||
da8e1115 KL |
230 | /* Set up termcap modes for Emacs. */ |
231 | ||
dfcf069d | 232 | void |
6ed8eeff | 233 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 234 | { |
6ed8eeff | 235 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 236 | |
0b0d3e0b | 237 | if (tty->output) |
08a24c47 | 238 | { |
fbf34973 KL |
239 | if (tty->TS_termcap_modes) |
240 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 241 | else |
fbf34973 KL |
242 | { |
243 | /* Output enough newlines to scroll all the old screen contents | |
244 | off the screen, so it won't be overwritten and lost. */ | |
245 | int i; | |
a3c07f68 | 246 | current_tty = tty; |
fbf34973 | 247 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 248 | cmputc ('\n'); |
fbf34973 KL |
249 | } |
250 | ||
0b0d3e0b | 251 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
b58cb614 | 252 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
253 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
254 | losecursor (tty); | |
2f98e6e3 | 255 | fflush (tty->output); |
08a24c47 | 256 | } |
08a24c47 JB |
257 | } |
258 | ||
da8e1115 KL |
259 | /* Reset termcap modes before exiting Emacs. */ |
260 | ||
dfcf069d | 261 | void |
6ed8eeff | 262 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 263 | { |
6ed8eeff | 264 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
265 | |
266 | if (tty->output) | |
08a24c47 | 267 | { |
ed8dad6b KL |
268 | tty_turn_off_highlight (tty); |
269 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
270 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
271 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
272 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
273 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 274 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 275 | current_tty = tty; |
d284f58f | 276 | cmputc ('\r'); |
2f98e6e3 | 277 | fflush (tty->output); |
08a24c47 | 278 | } |
08a24c47 JB |
279 | } |
280 | ||
6ed8eeff | 281 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 282 | |
ed8dad6b | 283 | static void |
3224dac1 | 284 | tty_update_end (struct frame *f) |
08a24c47 | 285 | { |
3224dac1 | 286 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 287 | |
3224dac1 KL |
288 | if (!XWINDOW (selected_window)->cursor_off_p) |
289 | tty_show_cursor (tty); | |
ed8dad6b KL |
290 | tty_turn_off_insert (tty); |
291 | tty_background_highlight (tty); | |
08a24c47 JB |
292 | } |
293 | ||
da8e1115 KL |
294 | /* The implementation of set_terminal_window for termcap frames. */ |
295 | ||
ed8dad6b | 296 | static void |
385ed61f | 297 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 298 | { |
3224dac1 KL |
299 | struct tty_display_info *tty = FRAME_TTY (f); |
300 | ||
301 | tty->specified_window = size ? size : FRAME_LINES (f); | |
302 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 303 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
304 | } |
305 | ||
ed8dad6b KL |
306 | static void |
307 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
308 | { |
309 | char *buf; | |
28d7d09f | 310 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 311 | |
fca177d4 KL |
312 | if (tty->TS_set_scroll_region) |
313 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
314 | else if (tty->TS_set_scroll_region_1) | |
315 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
316 | FRAME_LINES (f), start, |
317 | FRAME_LINES (f) - stop, | |
318 | FRAME_LINES (f)); | |
08a24c47 | 319 | else |
fca177d4 | 320 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 321 | |
6548cf00 | 322 | OUTPUT (tty, buf); |
9ac0d9e0 | 323 | xfree (buf); |
6548cf00 | 324 | losecursor (tty); |
08a24c47 | 325 | } |
d284f58f | 326 | |
08a24c47 | 327 | \f |
d284f58f | 328 | static void |
ed8dad6b | 329 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 330 | { |
fca177d4 KL |
331 | if (!tty->insert_mode) |
332 | OUTPUT (tty, tty->TS_insert_mode); | |
333 | tty->insert_mode = 1; | |
08a24c47 JB |
334 | } |
335 | ||
dfcf069d | 336 | void |
ed8dad6b | 337 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 338 | { |
fca177d4 KL |
339 | if (tty->insert_mode) |
340 | OUTPUT (tty, tty->TS_end_insert_mode); | |
341 | tty->insert_mode = 0; | |
08a24c47 JB |
342 | } |
343 | \f | |
54800acb | 344 | /* Handle highlighting. */ |
08a24c47 | 345 | |
dfcf069d | 346 | void |
ed8dad6b | 347 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 348 | { |
fca177d4 KL |
349 | if (tty->standout_mode) |
350 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
351 | tty->standout_mode = 0; | |
08a24c47 JB |
352 | } |
353 | ||
d284f58f | 354 | static void |
ed8dad6b | 355 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 356 | { |
fca177d4 KL |
357 | if (!tty->standout_mode) |
358 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
359 | tty->standout_mode = 1; | |
08a24c47 JB |
360 | } |
361 | ||
86a7d192 | 362 | static void |
ed8dad6b | 363 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 364 | { |
fca177d4 | 365 | if (tty->standout_mode) |
ed8dad6b | 366 | tty_turn_off_highlight (tty); |
86a7d192 | 367 | else |
ed8dad6b | 368 | tty_turn_on_highlight (tty); |
86a7d192 GM |
369 | } |
370 | ||
a168702a GM |
371 | |
372 | /* Make cursor invisible. */ | |
373 | ||
374 | static void | |
28d7d09f | 375 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 376 | { |
fca177d4 | 377 | if (tty->cursor_hidden == 0) |
d284f58f | 378 | { |
fca177d4 KL |
379 | tty->cursor_hidden = 1; |
380 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 381 | } |
a168702a GM |
382 | } |
383 | ||
384 | ||
385 | /* Ensure that cursor is visible. */ | |
386 | ||
387 | static void | |
28d7d09f | 388 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 389 | { |
fca177d4 | 390 | if (tty->cursor_hidden) |
d284f58f | 391 | { |
fca177d4 KL |
392 | tty->cursor_hidden = 0; |
393 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 394 | if (visible_cursor) |
b58cb614 | 395 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 396 | } |
a168702a GM |
397 | } |
398 | ||
399 | ||
08a24c47 JB |
400 | /* Set standout mode to the state it should be in for |
401 | empty space inside windows. What this is, | |
402 | depends on the user option inverse-video. */ | |
403 | ||
ed8dad6b KL |
404 | static void |
405 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 406 | { |
08a24c47 | 407 | if (inverse_video) |
ed8dad6b | 408 | tty_turn_on_highlight (tty); |
08a24c47 | 409 | else |
ed8dad6b | 410 | tty_turn_off_highlight (tty); |
08a24c47 JB |
411 | } |
412 | ||
413 | /* Set standout mode to the mode specified for the text to be output. */ | |
414 | ||
dfcf069d | 415 | static void |
ed8dad6b | 416 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 417 | { |
8ede64a5 | 418 | if (inverse_video) |
ed8dad6b | 419 | tty_turn_on_highlight (tty); |
8ede64a5 | 420 | else |
ed8dad6b | 421 | tty_turn_off_highlight (tty); |
08a24c47 JB |
422 | } |
423 | \f | |
424 | ||
a168702a GM |
425 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
426 | frame-relative coordinates. */ | |
08a24c47 | 427 | |
ed8dad6b | 428 | static void |
385ed61f | 429 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 430 | { |
3224dac1 | 431 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 432 | |
36cae867 KH |
433 | /* Detect the case where we are called from reset_sys_modes |
434 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 435 | if (! tty->costs_set) |
36cae867 KH |
436 | return; |
437 | ||
6548cf00 KL |
438 | if (curY (tty) == vpos |
439 | && curX (tty) == hpos) | |
08a24c47 | 440 | return; |
fca177d4 | 441 | if (!tty->TF_standout_motion) |
ed8dad6b | 442 | tty_background_highlight (tty); |
fca177d4 | 443 | if (!tty->TF_insmode_motion) |
ed8dad6b | 444 | tty_turn_off_insert (tty); |
6548cf00 | 445 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
446 | } |
447 | ||
448 | /* Similar but don't take any account of the wasted characters. */ | |
449 | ||
ed8dad6b | 450 | static void |
385ed61f | 451 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 452 | { |
3224dac1 KL |
453 | struct tty_display_info *tty = FRAME_TTY (f); |
454 | ||
6548cf00 KL |
455 | if (curY (tty) == row |
456 | && curX (tty) == col) | |
08a24c47 | 457 | return; |
fca177d4 | 458 | if (!tty->TF_standout_motion) |
ed8dad6b | 459 | tty_background_highlight (tty); |
fca177d4 | 460 | if (!tty->TF_insmode_motion) |
ed8dad6b | 461 | tty_turn_off_insert (tty); |
6548cf00 | 462 | cmgoto (tty, row, col); |
08a24c47 JB |
463 | } |
464 | \f | |
465 | /* Erase operations */ | |
466 | ||
da8e1115 KL |
467 | /* Clear from cursor to end of frame on a termcap device. */ |
468 | ||
ed8dad6b | 469 | static void |
385ed61f | 470 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
471 | { |
472 | register int i; | |
3224dac1 | 473 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 474 | |
fca177d4 | 475 | if (tty->TS_clr_to_bottom) |
08a24c47 | 476 | { |
ed8dad6b | 477 | tty_background_highlight (tty); |
fca177d4 | 478 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
479 | } |
480 | else | |
481 | { | |
6548cf00 | 482 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 483 | { |
385ed61f KL |
484 | cursor_to (f, i, 0); |
485 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
486 | } |
487 | } | |
488 | } | |
489 | ||
da8e1115 | 490 | /* Clear an entire termcap frame. */ |
08a24c47 | 491 | |
ed8dad6b | 492 | static void |
385ed61f | 493 | tty_clear_frame (struct frame *f) |
08a24c47 | 494 | { |
3224dac1 | 495 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 496 | |
fca177d4 | 497 | if (tty->TS_clr_frame) |
08a24c47 | 498 | { |
ed8dad6b | 499 | tty_background_highlight (tty); |
fca177d4 | 500 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 501 | cmat (tty, 0, 0); |
08a24c47 JB |
502 | } |
503 | else | |
504 | { | |
385ed61f KL |
505 | cursor_to (f, 0, 0); |
506 | clear_to_end (f); | |
08a24c47 JB |
507 | } |
508 | } | |
509 | ||
da8e1115 | 510 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
511 | |
512 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
513 | ||
ed8dad6b | 514 | static void |
385ed61f | 515 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
516 | { |
517 | register int i; | |
3224dac1 | 518 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 519 | |
36cae867 KH |
520 | /* Detect the case where we are called from reset_sys_modes |
521 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 522 | if (! tty->costs_set) |
36cae867 KH |
523 | return; |
524 | ||
6548cf00 | 525 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 526 | return; |
ed8dad6b | 527 | tty_background_highlight (tty); |
fca177d4 | 528 | if (tty->TS_clr_line) |
08a24c47 | 529 | { |
fca177d4 | 530 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
531 | } |
532 | else | |
533 | { /* have to do it the hard way */ | |
ed8dad6b | 534 | tty_turn_off_insert (tty); |
08a24c47 | 535 | |
a168702a | 536 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 537 | if (AutoWrap (tty) |
0a125897 KL |
538 | && curY (tty) == FrameRows (tty) - 1 |
539 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
540 | first_unused_hpos--; |
541 | ||
6548cf00 | 542 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 543 | { |
0b0d3e0b KL |
544 | if (tty->termscript) |
545 | fputc (' ', tty->termscript); | |
546 | fputc (' ', tty->output); | |
08a24c47 | 547 | } |
6548cf00 | 548 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
549 | } |
550 | } | |
551 | \f | |
288d5132 KH |
552 | /* Buffers to store the source and result of code conversion for terminal. */ |
553 | static unsigned char *encode_terminal_src; | |
554 | static unsigned char *encode_terminal_dst; | |
555 | /* Allocated sizes of the above buffers. */ | |
556 | static int encode_terminal_src_size; | |
557 | static int encode_terminal_dst_size; | |
558 | ||
559 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
560 | Set CODING->produced to the byte-length of the resulting byte | |
561 | sequence, and return a pointer to that byte sequence. */ | |
562 | ||
563 | unsigned char * | |
564 | encode_terminal_code (src, src_len, coding) | |
a168702a | 565 | struct glyph *src; |
a4decb7f | 566 | int src_len; |
288d5132 | 567 | struct coding_system *coding; |
a4decb7f | 568 | { |
feef4f84 | 569 | struct glyph *src_end = src + src_len; |
288d5132 KH |
570 | unsigned char *buf; |
571 | int nchars, nbytes, required; | |
a4decb7f KH |
572 | register int tlen = GLYPH_TABLE_LENGTH; |
573 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 574 | Lisp_Object charset_list; |
c5a518df | 575 | |
288d5132 KH |
576 | /* Allocate sufficient size of buffer to store all characters in |
577 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
578 | Vglyph_table contains a string or a composite glyph is |
579 | encountered. */ | |
288d5132 KH |
580 | required = MAX_MULTIBYTE_LENGTH * src_len; |
581 | if (encode_terminal_src_size < required) | |
582 | { | |
583 | if (encode_terminal_src_size == 0) | |
584 | encode_terminal_src = xmalloc (required); | |
585 | else | |
586 | encode_terminal_src = xrealloc (encode_terminal_src, required); | |
587 | encode_terminal_src_size = required; | |
588 | } | |
6589fd67 | 589 | |
288d5132 | 590 | charset_list = coding_charset_list (coding); |
a4decb7f | 591 | |
288d5132 KH |
592 | buf = encode_terminal_src; |
593 | nchars = 0; | |
594 | while (src < src_end) | |
a4decb7f | 595 | { |
4c12d738 KH |
596 | if (src->type == COMPOSITE_GLYPH) |
597 | { | |
598 | struct composition *cmp = composition_table[src->u.cmp_id]; | |
599 | int i; | |
600 | ||
601 | nbytes = buf - encode_terminal_src; | |
602 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
603 | ||
604 | if (encode_terminal_src_size < nbytes + required) | |
605 | { | |
606 | encode_terminal_src_size = nbytes + required; | |
607 | encode_terminal_src = xrealloc (encode_terminal_src, | |
608 | encode_terminal_src_size); | |
609 | buf = encode_terminal_src + nbytes; | |
610 | } | |
611 | ||
612 | for (i = 0; i < cmp->glyph_len; i++) | |
613 | { | |
614 | int c = COMPOSITION_GLYPH (cmp, i); | |
f4d953fc | 615 | |
4c12d738 KH |
616 | if (! char_charset (c, charset_list, NULL)) |
617 | break; | |
618 | buf += CHAR_STRING (c, buf); | |
619 | nchars++; | |
620 | } | |
621 | if (i == 0) | |
622 | { | |
623 | /* The first character of the composition is not encodable. */ | |
624 | *buf++ = '?'; | |
625 | nchars++; | |
626 | } | |
627 | } | |
a4decb7f | 628 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 629 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 630 | { |
f4d953fc | 631 | GLYPH g; |
288d5132 KH |
632 | int c; |
633 | Lisp_Object string; | |
634 | ||
4ae0a2c0 | 635 | string = Qnil; |
f4d953fc | 636 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 637 | |
f4d953fc | 638 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 KH |
639 | { |
640 | /* This glyph doesn't has an entry in Vglyph_table. */ | |
641 | c = src->u.ch; | |
642 | } | |
32de38e4 | 643 | else |
a4decb7f | 644 | { |
32de38e4 | 645 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
646 | so process any alias before testing for simpleness. */ |
647 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
648 | |
649 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
650 | /* We set the multi-byte form of a character in G |
651 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 652 | c = GLYPH_CHAR (g); |
32de38e4 | 653 | else |
4ae0a2c0 | 654 | /* We have a string in Vglyph_table. */ |
f4d953fc | 655 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 656 | } |
177c0ea7 | 657 | |
4ae0a2c0 | 658 | if (NILP (string)) |
c42869c4 | 659 | { |
4c12d738 KH |
660 | nbytes = buf - encode_terminal_src; |
661 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
662 | { | |
663 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
664 | encode_terminal_src = xrealloc (encode_terminal_src, | |
665 | encode_terminal_src_size); | |
666 | buf = encode_terminal_src + nbytes; | |
667 | } | |
288d5132 | 668 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 669 | { |
288d5132 KH |
670 | /* Store the multibyte form of C at BUF. */ |
671 | buf += CHAR_STRING (c, buf); | |
672 | nchars++; | |
c5a518df KH |
673 | } |
674 | else | |
675 | { | |
288d5132 KH |
676 | /* C is not encodable. */ |
677 | *buf++ = '?'; | |
c5a518df | 678 | nchars++; |
288d5132 KH |
679 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
680 | { | |
681 | *buf++ = '?'; | |
682 | nchars++; | |
683 | src++; | |
684 | } | |
c5a518df | 685 | } |
4ae0a2c0 KH |
686 | } |
687 | else | |
688 | { | |
288d5132 KH |
689 | unsigned char *p = SDATA (string), *pend = p + SBYTES (string); |
690 | ||
691 | if (! STRING_MULTIBYTE (string)) | |
692 | string = string_to_multibyte (string); | |
693 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 694 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 695 | { |
288d5132 KH |
696 | encode_terminal_src_size = nbytes + SBYTES (string); |
697 | encode_terminal_src = xrealloc (encode_terminal_src, | |
698 | encode_terminal_src_size); | |
699 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 700 | } |
288d5132 KH |
701 | bcopy (SDATA (string), buf, SBYTES (string)); |
702 | buf += SBYTES (string); | |
703 | nchars += SCHARS (string); | |
c42869c4 | 704 | } |
a4decb7f | 705 | } |
288d5132 KH |
706 | src++; |
707 | } | |
708 | ||
709 | if (nchars == 0) | |
710 | { | |
711 | coding->produced = 0; | |
712 | return NULL; | |
a4decb7f | 713 | } |
177c0ea7 | 714 | |
288d5132 KH |
715 | nbytes = buf - encode_terminal_src; |
716 | coding->source = encode_terminal_src; | |
717 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 718 | { |
288d5132 KH |
719 | encode_terminal_dst_size = encode_terminal_src_size; |
720 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 721 | } |
288d5132 KH |
722 | coding->destination = encode_terminal_dst; |
723 | coding->dst_bytes = encode_terminal_dst_size; | |
724 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 725 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
726 | encode_terminal_dst = coding->destination; |
727 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 728 | |
288d5132 | 729 | return (encode_terminal_dst); |
a4decb7f KH |
730 | } |
731 | ||
08a24c47 | 732 | |
c73bd236 | 733 | |
da8e1115 KL |
734 | /* An implementation of write_glyphs for termcap frames. */ |
735 | ||
ed8dad6b | 736 | static void |
385ed61f | 737 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 738 | { |
288d5132 KH |
739 | unsigned char *conversion_buffer; |
740 | struct coding_system *coding; | |
08a24c47 | 741 | |
3224dac1 | 742 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 743 | |
ed8dad6b | 744 | tty_turn_off_insert (tty); |
fca177d4 | 745 | tty_hide_cursor (tty); |
08a24c47 | 746 | |
a168702a | 747 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 748 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 749 | |
6548cf00 KL |
750 | if (AutoWrap (tty) |
751 | && curY (tty) + 1 == FRAME_LINES (f) | |
752 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 753 | len --; |
a4decb7f KH |
754 | if (len <= 0) |
755 | return; | |
08a24c47 | 756 | |
6548cf00 | 757 | cmplus (tty, len); |
177c0ea7 | 758 | |
af645abf KH |
759 | /* If terminal_coding does any conversion, use it, otherwise use |
760 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
761 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
762 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
763 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
764 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
765 | the tail. */ | |
af645abf | 766 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 767 | |
a4decb7f | 768 | while (len > 0) |
08a24c47 | 769 | { |
a168702a | 770 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 771 | int face_id = string->face_id; |
a168702a | 772 | int n; |
177c0ea7 | 773 | |
a168702a | 774 | for (n = 1; n < len; ++n) |
32de38e4 | 775 | if (string[n].face_id != face_id) |
a168702a GM |
776 | break; |
777 | ||
778 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 779 | tty_highlight_if_desired (tty); |
a168702a GM |
780 | turn_on_face (f, face_id); |
781 | ||
288d5132 KH |
782 | if (n == len) |
783 | /* This is the last run. */ | |
784 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
785 | conversion_buffer = encode_terminal_code (string, n, coding); | |
786 | if (coding->produced > 0) | |
08a24c47 | 787 | { |
1a935bfd | 788 | BLOCK_INPUT; |
fad2f685 KL |
789 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
790 | if (ferror (tty->output)) | |
791 | clearerr (tty->output); | |
792 | if (tty->termscript) | |
793 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 794 | UNBLOCK_INPUT; |
08a24c47 | 795 | } |
288d5132 KH |
796 | len -= n; |
797 | string += n; | |
a168702a GM |
798 | |
799 | /* Turn appearance modes off. */ | |
800 | turn_off_face (f, face_id); | |
ed8dad6b | 801 | tty_turn_off_highlight (tty); |
a4decb7f | 802 | } |
177c0ea7 | 803 | |
6548cf00 | 804 | cmcheckmagic (tty); |
08a24c47 JB |
805 | } |
806 | ||
b870aa61 SM |
807 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
808 | ||
7be1c21a MB |
809 | static void |
810 | tty_write_glyphs_with_face (f, string, len, face_id) | |
811 | register struct frame *f; | |
e882229c NR |
812 | register struct glyph *string; |
813 | register int len, face_id; | |
814 | { | |
e882229c NR |
815 | unsigned char *conversion_buffer; |
816 | struct coding_system *coding; | |
817 | ||
7be1c21a MB |
818 | struct tty_display_info *tty = FRAME_TTY (f); |
819 | ||
820 | tty_turn_off_insert (tty); | |
821 | tty_hide_cursor (tty); | |
e882229c NR |
822 | |
823 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
824 | since that would scroll the whole frame on some terminals. */ | |
825 | ||
7be1c21a MB |
826 | if (AutoWrap (tty) |
827 | && curY (tty) + 1 == FRAME_LINES (f) | |
828 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
829 | len --; |
830 | if (len <= 0) | |
831 | return; | |
832 | ||
7be1c21a | 833 | cmplus (tty, len); |
e882229c NR |
834 | |
835 | /* If terminal_coding does any conversion, use it, otherwise use | |
836 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
837 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
838 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
839 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
840 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
841 | the tail. */ | |
842 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
843 | ||
e882229c | 844 | /* Turn appearance modes of the face. */ |
7be1c21a | 845 | tty_highlight_if_desired (tty); |
e882229c NR |
846 | turn_on_face (f, face_id); |
847 | ||
848 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
849 | conversion_buffer = encode_terminal_code (string, len, coding); | |
850 | if (coding->produced > 0) | |
851 | { | |
852 | BLOCK_INPUT; | |
7be1c21a MB |
853 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
854 | if (ferror (tty->output)) | |
855 | clearerr (tty->output); | |
856 | if (tty->termscript) | |
857 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
858 | UNBLOCK_INPUT; |
859 | } | |
860 | ||
861 | /* Turn appearance modes off. */ | |
862 | turn_off_face (f, face_id); | |
7be1c21a | 863 | tty_turn_off_highlight (tty); |
e882229c | 864 | |
7be1c21a | 865 | cmcheckmagic (tty); |
e882229c | 866 | } |
b870aa61 | 867 | #endif |
e882229c | 868 | |
da8e1115 | 869 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 870 | |
ed8dad6b | 871 | static void |
385ed61f | 872 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
873 | { |
874 | char *buf; | |
6bbd7a29 | 875 | struct glyph *glyph = NULL; |
af645abf KH |
876 | unsigned char *conversion_buffer; |
877 | unsigned char space[1]; | |
878 | struct coding_system *coding; | |
08a24c47 | 879 | |
3224dac1 | 880 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 881 | |
fca177d4 | 882 | if (tty->TS_ins_multi_chars) |
08a24c47 | 883 | { |
fca177d4 | 884 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 885 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 886 | xfree (buf); |
08a24c47 | 887 | if (start) |
385ed61f | 888 | write_glyphs (f, start, len); |
08a24c47 JB |
889 | return; |
890 | } | |
891 | ||
ed8dad6b | 892 | tty_turn_on_insert (tty); |
6548cf00 | 893 | cmplus (tty, len); |
288d5132 KH |
894 | |
895 | if (! start) | |
896 | space[0] = SPACEGLYPH; | |
897 | ||
898 | /* If terminal_coding does any conversion, use it, otherwise use | |
899 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
900 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
901 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
902 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
903 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
904 | the tail. */ | |
905 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
906 | ||
07109bf9 | 907 | while (len-- > 0) |
08a24c47 | 908 | { |
fca177d4 | 909 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 910 | if (!start) |
32de38e4 | 911 | { |
288d5132 KH |
912 | conversion_buffer = space; |
913 | coding->produced = 1; | |
32de38e4 | 914 | } |
08a24c47 | 915 | else |
08a24c47 | 916 | { |
ed8dad6b | 917 | tty_highlight_if_desired (tty); |
32de38e4 | 918 | turn_on_face (f, start->face_id); |
816be8b8 | 919 | glyph = start; |
a168702a | 920 | ++start; |
a4decb7f KH |
921 | /* We must open sufficient space for a character which |
922 | occupies more than one column. */ | |
a168702a | 923 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 924 | { |
fca177d4 | 925 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
926 | start++, len--; |
927 | } | |
288d5132 KH |
928 | |
929 | if (len <= 0) | |
930 | /* This is the last glyph. */ | |
931 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
932 | ||
fad2f685 | 933 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 934 | } |
a4decb7f | 935 | |
288d5132 | 936 | if (coding->produced > 0) |
08a24c47 | 937 | { |
1a935bfd | 938 | BLOCK_INPUT; |
fad2f685 | 939 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
940 | if (ferror (tty->output)) |
941 | clearerr (tty->output); | |
942 | if (tty->termscript) | |
fad2f685 | 943 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 944 | UNBLOCK_INPUT; |
08a24c47 JB |
945 | } |
946 | ||
fca177d4 | 947 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 948 | if (start) |
65aa5e85 GM |
949 | { |
950 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 951 | tty_turn_off_highlight (tty); |
65aa5e85 | 952 | } |
9a6b6f92 | 953 | } |
177c0ea7 | 954 | |
6548cf00 | 955 | cmcheckmagic (tty); |
08a24c47 JB |
956 | } |
957 | ||
da8e1115 KL |
958 | /* An implementation of delete_glyphs for termcap frames. */ |
959 | ||
ed8dad6b | 960 | static void |
385ed61f | 961 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
962 | { |
963 | char *buf; | |
964 | register int i; | |
965 | ||
3224dac1 | 966 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 967 | |
fca177d4 | 968 | if (tty->delete_in_insert_mode) |
08a24c47 | 969 | { |
ed8dad6b | 970 | tty_turn_on_insert (tty); |
08a24c47 JB |
971 | } |
972 | else | |
973 | { | |
ed8dad6b | 974 | tty_turn_off_insert (tty); |
fca177d4 | 975 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
976 | } |
977 | ||
fca177d4 | 978 | if (tty->TS_del_multi_chars) |
08a24c47 | 979 | { |
fca177d4 | 980 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 981 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 982 | xfree (buf); |
08a24c47 JB |
983 | } |
984 | else | |
985 | for (i = 0; i < n; i++) | |
fca177d4 KL |
986 | OUTPUT1 (tty, tty->TS_del_char); |
987 | if (!tty->delete_in_insert_mode) | |
988 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
989 | } |
990 | \f | |
da8e1115 | 991 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 992 | |
ed8dad6b | 993 | static void |
385ed61f | 994 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 995 | { |
3224dac1 KL |
996 | struct tty_display_info *tty = FRAME_TTY (f); |
997 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
998 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
999 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1000 | |
1001 | register int i = n > 0 ? n : -n; | |
1002 | register char *buf; | |
1003 | ||
08a24c47 JB |
1004 | /* If the lines below the insertion are being pushed |
1005 | into the end of the window, this is the same as clearing; | |
1006 | and we know the lines are already clear, since the matching | |
1007 | deletion has already been done. So can ignore this. */ | |
1008 | /* If the lines below the deletion are blank lines coming | |
1009 | out of the end of the window, don't bother, | |
1010 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1011 | if (FRAME_SCROLL_REGION_OK (f) |
1012 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1013 | return; |
3224dac1 KL |
1014 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1015 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1016 | return; |
f4d953fc | 1017 | |
08a24c47 JB |
1018 | if (multi) |
1019 | { | |
6839f1e2 | 1020 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1021 | tty_background_highlight (tty); |
08a24c47 | 1022 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1023 | OUTPUT (tty, buf); |
9ac0d9e0 | 1024 | xfree (buf); |
08a24c47 JB |
1025 | } |
1026 | else if (single) | |
1027 | { | |
6839f1e2 | 1028 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1029 | tty_background_highlight (tty); |
08a24c47 | 1030 | while (--i >= 0) |
3224dac1 KL |
1031 | OUTPUT (tty, single); |
1032 | if (tty->TF_teleray) | |
1033 | curX (tty) = 0; | |
08a24c47 JB |
1034 | } |
1035 | else | |
1036 | { | |
ed8dad6b | 1037 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1038 | if (n < 0) |
6839f1e2 | 1039 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1040 | else |
6839f1e2 | 1041 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1042 | tty_background_highlight (tty); |
08a24c47 | 1043 | while (--i >= 0) |
3224dac1 | 1044 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1045 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1046 | } |
f4d953fc | 1047 | |
3224dac1 KL |
1048 | if (!FRAME_SCROLL_REGION_OK (f) |
1049 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1050 | && n < 0) | |
08a24c47 | 1051 | { |
385ed61f KL |
1052 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1053 | clear_to_end (f); | |
08a24c47 JB |
1054 | } |
1055 | } | |
1056 | \f | |
1057 | /* Compute cost of sending "str", in characters, | |
1058 | not counting any line-dependent padding. */ | |
1059 | ||
1060 | int | |
6839f1e2 | 1061 | string_cost (char *str) |
08a24c47 JB |
1062 | { |
1063 | cost = 0; | |
1064 | if (str) | |
1065 | tputs (str, 0, evalcost); | |
1066 | return cost; | |
1067 | } | |
1068 | ||
1069 | /* Compute cost of sending "str", in characters, | |
1070 | counting any line-dependent padding at one line. */ | |
1071 | ||
1072 | static int | |
6839f1e2 | 1073 | string_cost_one_line (char *str) |
08a24c47 JB |
1074 | { |
1075 | cost = 0; | |
1076 | if (str) | |
1077 | tputs (str, 1, evalcost); | |
1078 | return cost; | |
1079 | } | |
1080 | ||
1081 | /* Compute per line amount of line-dependent padding, | |
1082 | in tenths of characters. */ | |
1083 | ||
1084 | int | |
6839f1e2 | 1085 | per_line_cost (char *str) |
08a24c47 JB |
1086 | { |
1087 | cost = 0; | |
1088 | if (str) | |
1089 | tputs (str, 0, evalcost); | |
1090 | cost = - cost; | |
1091 | if (str) | |
1092 | tputs (str, 10, evalcost); | |
1093 | return cost; | |
1094 | } | |
1095 | ||
1096 | #ifndef old | |
1097 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1098 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1099 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1100 | |
1101 | int *char_ins_del_vector; | |
1102 | ||
9882535b | 1103 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1104 | #endif |
1105 | ||
1106 | /* ARGSUSED */ | |
1107 | static void | |
6839f1e2 | 1108 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1109 | { |
28d7d09f | 1110 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1111 | int ins_startup_cost, del_startup_cost; |
1112 | int ins_cost_per_char, del_cost_per_char; | |
1113 | register int i; | |
1114 | register int *p; | |
1115 | ||
fca177d4 | 1116 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1117 | { |
1118 | ins_cost_per_char = 0; | |
fca177d4 | 1119 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1120 | } |
fca177d4 KL |
1121 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1122 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1123 | { |
fca177d4 KL |
1124 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1125 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1126 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1127 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1128 | } |
1129 | else | |
1130 | { | |
1131 | ins_startup_cost = 9999; | |
1132 | ins_cost_per_char = 0; | |
1133 | } | |
1134 | ||
fca177d4 | 1135 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1136 | { |
1137 | del_cost_per_char = 0; | |
fca177d4 | 1138 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1139 | } |
fca177d4 | 1140 | else if (tty->TS_del_char) |
08a24c47 | 1141 | { |
fca177d4 KL |
1142 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1143 | + string_cost (tty->TS_end_delete_mode)); | |
1144 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1145 | del_startup_cost /= 2; |
fca177d4 | 1146 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1147 | } |
1148 | else | |
1149 | { | |
1150 | del_startup_cost = 9999; | |
1151 | del_cost_per_char = 0; | |
1152 | } | |
1153 | ||
1154 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1155 | p = &char_ins_del_cost (f)[0]; |
1156 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1157 | *--p = (del_startup_cost += del_cost_per_char); |
1158 | ||
1159 | /* Doing nothing is free */ | |
fca177d4 | 1160 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1161 | *p++ = 0; |
1162 | ||
1163 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1164 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1165 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1166 | } | |
1167 | ||
dfcf069d | 1168 | void |
6839f1e2 | 1169 | calculate_costs (struct frame *frame) |
08a24c47 | 1170 | { |
9f732a77 | 1171 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1172 | |
28d440ab | 1173 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1174 | { |
1175 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1176 | register char *f = (tty->TS_set_scroll_region | |
1177 | ? tty->TS_set_scroll_region | |
1178 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1179 | |
daf01701 | 1180 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1181 | |
daf01701 | 1182 | tty->costs_set = 1; |
08a24c47 | 1183 | |
daf01701 KL |
1184 | /* These variables are only used for terminal stuff. They are |
1185 | allocated once for the terminal frame of X-windows emacs, but not | |
1186 | used afterwards. | |
8dd0c7cb | 1187 | |
daf01701 KL |
1188 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1189 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1190 | |
daf01701 KL |
1191 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1192 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1193 | |
daf01701 KL |
1194 | if (char_ins_del_vector != 0) |
1195 | char_ins_del_vector | |
1196 | = (int *) xrealloc (char_ins_del_vector, | |
1197 | (sizeof (int) | |
1198 | + 2 * max_frame_cols * sizeof (int))); | |
1199 | else | |
1200 | char_ins_del_vector | |
1201 | = (int *) xmalloc (sizeof (int) | |
1202 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1203 | |
daf01701 KL |
1204 | bzero (char_ins_del_vector, (sizeof (int) |
1205 | + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1206 | |
daf01701 KL |
1207 | |
1208 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1209 | do_line_insertion_deletion_costs (frame, | |
1210 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1211 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1212 | f, f, 1); | |
1213 | else | |
1214 | do_line_insertion_deletion_costs (frame, | |
1215 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1216 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1217 | 0, 0, 1); | |
1218 | ||
1219 | calculate_ins_del_char_costs (frame); | |
1220 | ||
1221 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1222 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1223 | tty->RPov = string_cost (tty->TS_repeat); | |
1224 | else | |
1225 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1226 | |
daf01701 KL |
1227 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1228 | } | |
08a24c47 JB |
1229 | } |
1230 | \f | |
a796ac82 JB |
1231 | struct fkey_table { |
1232 | char *cap, *name; | |
1233 | }; | |
1234 | ||
01d8deb0 ER |
1235 | /* Termcap capability names that correspond directly to X keysyms. |
1236 | Some of these (marked "terminfo") aren't supplied by old-style | |
1237 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1238 | except we put the keypad keys first, so that if they clash with | |
1239 | other keys (as on the IBM PC keyboard) they get overridden. | |
1240 | */ | |
1241 | ||
a168702a GM |
1242 | static struct fkey_table keys[] = |
1243 | { | |
8103ad1a PJ |
1244 | {"kh", "home"}, /* termcap */ |
1245 | {"kl", "left"}, /* termcap */ | |
1246 | {"ku", "up"}, /* termcap */ | |
1247 | {"kr", "right"}, /* termcap */ | |
1248 | {"kd", "down"}, /* termcap */ | |
1249 | {"%8", "prior"}, /* terminfo */ | |
1250 | {"%5", "next"}, /* terminfo */ | |
1251 | {"@7", "end"}, /* terminfo */ | |
1252 | {"@1", "begin"}, /* terminfo */ | |
1253 | {"*6", "select"}, /* terminfo */ | |
1254 | {"%9", "print"}, /* terminfo */ | |
1255 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1256 | /* |
1257 | * "insert" --- see below | |
1258 | */ | |
8103ad1a PJ |
1259 | {"&8", "undo"}, /* terminfo */ |
1260 | {"%0", "redo"}, /* terminfo */ | |
1261 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1262 | {"@0", "find"}, /* terminfo */ | |
1263 | {"@2", "cancel"}, /* terminfo */ | |
1264 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1265 | /* |
1266 | * "break" goes here, but can't be reliably intercepted with termcap | |
1267 | */ | |
8103ad1a | 1268 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1269 | /* |
1270 | * "system" and "user" --- no termcaps | |
1271 | */ | |
8103ad1a PJ |
1272 | {"kE", "clearline"}, /* terminfo */ |
1273 | {"kA", "insertline"}, /* terminfo */ | |
1274 | {"kL", "deleteline"}, /* terminfo */ | |
1275 | {"kI", "insertchar"}, /* terminfo */ | |
1276 | {"kD", "deletechar"}, /* terminfo */ | |
1277 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1278 | /* |
1279 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1280 | */ | |
8103ad1a | 1281 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1282 | /* |
1283 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1284 | * "kp-multiply", "kp-add", "kp-separator", | |
1285 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1286 | * --- no termcaps for any of these. | |
1287 | */ | |
8103ad1a | 1288 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1289 | /* |
1290 | * "kp-2" --- no termcap | |
1291 | */ | |
8103ad1a | 1292 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1293 | /* |
1294 | * "kp-4" --- no termcap | |
1295 | */ | |
8103ad1a | 1296 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1297 | /* |
1298 | * "kp-6" --- no termcap | |
1299 | */ | |
8103ad1a | 1300 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1301 | /* |
1302 | * "kp-8" --- no termcap | |
1303 | */ | |
8103ad1a | 1304 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1305 | /* |
1306 | * "kp-equal" --- no termcap | |
1307 | */ | |
8103ad1a PJ |
1308 | {"k1", "f1"}, |
1309 | {"k2", "f2"}, | |
1310 | {"k3", "f3"}, | |
1311 | {"k4", "f4"}, | |
1312 | {"k5", "f5"}, | |
1313 | {"k6", "f6"}, | |
1314 | {"k7", "f7"}, | |
1315 | {"k8", "f8"}, | |
60ec7b7e DN |
1316 | {"k9", "f9"}, |
1317 | ||
1318 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1319 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1320 | {"*0", "S-find"}, /*shifted find key*/ | |
1321 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1322 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1323 | {"*7", "S-end"}, /*shifted end key*/ | |
1324 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1325 | {"#1", "S-help"}, /*shifted help key*/ | |
1326 | {"#2", "S-home"}, /*shifted home key*/ | |
1327 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1328 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1329 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1330 | {"%c", "S-next"}, /*shifted next key*/ | |
1331 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1332 | {"%f", "S-print"}, /*shifted print key*/ | |
1333 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1334 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1335 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1336 | }; |
1337 | ||
e7cf0fa0 KL |
1338 | static char **term_get_fkeys_address; |
1339 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1340 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1341 | |
4f4a84ec | 1342 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1343 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1344 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1345 | |
ed8dad6b | 1346 | static void |
e7cf0fa0 | 1347 | term_get_fkeys (address, kboard) |
5c2c7893 | 1348 | char **address; |
e7cf0fa0 | 1349 | KBOARD *kboard; |
f2a00342 RM |
1350 | { |
1351 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1352 | errors during the call. The only errors should be from Fdefine_key | |
1353 | when given a key sequence containing an invalid prefix key. If the | |
1354 | termcap defines function keys which use a prefix that is already bound | |
1355 | to a command by the default bindings, we should silently ignore that | |
1356 | function key specification, rather than giving the user an error and | |
1357 | refusing to run at all on such a terminal. */ | |
1358 | ||
1359 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1360 | term_get_fkeys_address = address; |
1361 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1362 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1363 | } | |
1364 | ||
1365 | static Lisp_Object | |
1366 | term_get_fkeys_1 () | |
5c2c7893 | 1367 | { |
5c2c7893 JB |
1368 | int i; |
1369 | ||
e7cf0fa0 KL |
1370 | char **address = term_get_fkeys_address; |
1371 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1372 | |
3e65092f | 1373 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1374 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1375 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1376 | |
5c2c7893 JB |
1377 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1378 | { | |
1379 | char *sequence = tgetstr (keys[i].cap, address); | |
1380 | if (sequence) | |
4f4a84ec | 1381 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1382 | Fmake_vector (make_number (1), |
1383 | intern (keys[i].name))); | |
5c2c7893 | 1384 | } |
a796ac82 JB |
1385 | |
1386 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1387 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1388 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1389 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1390 | */ | |
1391 | { | |
1392 | char *k_semi = tgetstr ("k;", address); | |
1393 | char *k0 = tgetstr ("k0", address); | |
1394 | char *k0_name = "f10"; | |
1395 | ||
1396 | if (k_semi) | |
1397 | { | |
95c11956 SM |
1398 | if (k0) |
1399 | /* Define f0 first, so that f10 takes precedence in case the | |
1400 | key sequences happens to be the same. */ | |
4f4a84ec | 1401 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1402 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1403 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1404 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1405 | } |
95c11956 | 1406 | else if (k0) |
4f4a84ec | 1407 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1408 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1409 | } |
01d8deb0 ER |
1410 | |
1411 | /* Set up cookies for numbered function keys above f10. */ | |
1412 | { | |
1413 | char fcap[3], fkey[4]; | |
1414 | ||
fc4f24da | 1415 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1416 | for (i = 11; i < 64; i++) |
1417 | { | |
1418 | if (i <= 19) | |
1419 | fcap[1] = '1' + i - 11; | |
1420 | else if (i <= 45) | |
b59ab95c | 1421 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1422 | else |
b59ab95c | 1423 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1424 | |
fc4f24da RS |
1425 | { |
1426 | char *sequence = tgetstr (fcap, address); | |
1427 | if (sequence) | |
1428 | { | |
465db27b | 1429 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1430 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1431 | Fmake_vector (make_number (1), |
1432 | intern (fkey))); | |
fc4f24da RS |
1433 | } |
1434 | } | |
01d8deb0 ER |
1435 | } |
1436 | } | |
1437 | ||
1438 | /* | |
1439 | * Various mappings to try and get a better fit. | |
1440 | */ | |
1441 | { | |
fc4f24da RS |
1442 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1443 | if (!tgetstr (cap1, address)) \ | |
1444 | { \ | |
1445 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1446 | if (sequence) \ |
4f4a84ec | 1447 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1448 | Fmake_vector (make_number (1), \ |
1449 | intern (sym))); \ | |
fc4f24da | 1450 | } |
177c0ea7 | 1451 | |
01d8deb0 | 1452 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1453 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1454 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1455 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1456 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1457 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1458 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1459 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1460 | |
1461 | /* IBM has their own non-standard dialect of terminfo. | |
1462 | If the standard name isn't found, try the IBM name. */ | |
1463 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1464 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1465 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1466 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1467 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1468 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1469 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1470 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1471 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1472 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1473 | } |
a168702a GM |
1474 | |
1475 | return Qnil; | |
5c2c7893 JB |
1476 | } |
1477 | ||
1478 | \f | |
a168702a GM |
1479 | /*********************************************************************** |
1480 | Character Display Information | |
1481 | ***********************************************************************/ | |
1482 | ||
47021b11 KS |
1483 | /* Avoid name clash with functions defined in xterm.c */ |
1484 | #ifdef static | |
1485 | #define append_glyph append_glyph_term | |
1486 | #define produce_stretch_glyph produce_stretch_glyph_term | |
4c12d738 KH |
1487 | #define append_composite_glyph append_composite_glyph_term |
1488 | #define produce_composite_glyph produce_composite_glyph_term | |
47021b11 KS |
1489 | #endif |
1490 | ||
a168702a | 1491 | static void append_glyph P_ ((struct it *)); |
6b61353c | 1492 | static void produce_stretch_glyph P_ ((struct it *)); |
4c12d738 KH |
1493 | static void append_composite_glyph P_ ((struct it *)); |
1494 | static void produce_composite_glyph P_ ((struct it *)); | |
a168702a GM |
1495 | |
1496 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1497 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1498 | the character for which to produce glyphs; IT->face_id contains the | |
1499 | character's face. Padding glyphs are appended if IT->c has a | |
1500 | IT->pixel_width > 1. */ | |
177c0ea7 | 1501 | |
a168702a GM |
1502 | static void |
1503 | append_glyph (it) | |
1504 | struct it *it; | |
1505 | { | |
1506 | struct glyph *glyph, *end; | |
1507 | int i; | |
1508 | ||
1509 | xassert (it->glyph_row); | |
1510 | glyph = (it->glyph_row->glyphs[it->area] | |
1511 | + it->glyph_row->used[it->area]); | |
1512 | end = it->glyph_row->glyphs[1 + it->area]; | |
1513 | ||
177c0ea7 JB |
1514 | for (i = 0; |
1515 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1516 | ++i) |
1517 | { | |
1518 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1519 | glyph->pixel_width = 1; |
d2b4c17d | 1520 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1521 | glyph->face_id = it->face_id; |
1522 | glyph->padding_p = i > 0; | |
a168702a GM |
1523 | glyph->charpos = CHARPOS (it->position); |
1524 | glyph->object = it->object; | |
177c0ea7 | 1525 | |
a168702a GM |
1526 | ++it->glyph_row->used[it->area]; |
1527 | ++glyph; | |
1528 | } | |
1529 | } | |
1530 | ||
1531 | ||
b50fe468 RS |
1532 | /* Produce glyphs for the display element described by IT. *IT |
1533 | specifies what we want to produce a glyph for (character, image, ...), | |
1534 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1535 | produce_glyphs fills in output fields of *IT with information such as the | |
1536 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1537 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1538 | struct display_iterator in dispextern.h for an overview. |
1539 | ||
1540 | produce_glyphs also stores the result of glyph width, ascent | |
1541 | etc. computations in *IT. | |
1542 | ||
1543 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1544 | actually fill in the glyphs. This is used in the move_* functions | |
1545 | in xdisp.c for text width and height computations. | |
1546 | ||
1547 | Callers usually don't call produce_glyphs directly; | |
1548 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1549 | |
177c0ea7 | 1550 | void |
a168702a GM |
1551 | produce_glyphs (it) |
1552 | struct it *it; | |
1553 | { | |
1554 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1555 | |
1556 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1557 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1558 | || it->what == IT_COMPOSITION |
a168702a | 1559 | || it->what == IT_STRETCH); |
177c0ea7 | 1560 | |
6b61353c KH |
1561 | if (it->what == IT_STRETCH) |
1562 | { | |
1563 | produce_stretch_glyph (it); | |
1564 | goto done; | |
1565 | } | |
1566 | ||
4c12d738 KH |
1567 | if (it->what == IT_COMPOSITION) |
1568 | { | |
1569 | produce_composite_glyph (it); | |
1570 | goto done; | |
1571 | } | |
a168702a | 1572 | |
d2b4c17d KH |
1573 | /* Maybe translate single-byte characters to multibyte. */ |
1574 | it->char_to_display = it->c; | |
1575 | ||
a168702a GM |
1576 | if (it->c >= 040 && it->c < 0177) |
1577 | { | |
1578 | it->pixel_width = it->nglyphs = 1; | |
1579 | if (it->glyph_row) | |
1580 | append_glyph (it); | |
1581 | } | |
1582 | else if (it->c == '\n') | |
1583 | it->pixel_width = it->nglyphs = 0; | |
1584 | else if (it->c == '\t') | |
1585 | { | |
2efdbcdd | 1586 | int absolute_x = (it->current_x |
a168702a | 1587 | + it->continuation_lines_width); |
177c0ea7 JB |
1588 | int next_tab_x |
1589 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1590 | / it->tab_width) |
1591 | * it->tab_width); | |
1592 | int nspaces; | |
1593 | ||
1594 | /* If part of the TAB has been displayed on the previous line | |
1595 | which is continued now, continuation_lines_width will have | |
1596 | been incremented already by the part that fitted on the | |
1597 | continued line. So, we will get the right number of spaces | |
1598 | here. */ | |
1599 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1600 | |
a168702a GM |
1601 | if (it->glyph_row) |
1602 | { | |
1603 | int n = nspaces; | |
177c0ea7 | 1604 | |
d2b4c17d | 1605 | it->char_to_display = ' '; |
a168702a | 1606 | it->pixel_width = it->len = 1; |
177c0ea7 | 1607 | |
a168702a GM |
1608 | while (n--) |
1609 | append_glyph (it); | |
a168702a GM |
1610 | } |
1611 | ||
1612 | it->pixel_width = nspaces; | |
1613 | it->nglyphs = nspaces; | |
1614 | } | |
c5a518df | 1615 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1616 | { |
5b203baa KH |
1617 | if (unibyte_display_via_language_environment |
1618 | && (it->c >= 0240)) | |
1619 | { | |
1620 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1621 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1622 | it->nglyphs = it->pixel_width; | |
1623 | if (it->glyph_row) | |
1624 | append_glyph (it); | |
1625 | } | |
1626 | else | |
1627 | { | |
1628 | /* Coming here means that it->c is from display table, thus | |
1629 | we must send the raw 8-bit byte as is to the terminal. | |
1630 | Although there's no way to know how many columns it | |
1631 | occupies on a screen, it is a good assumption that a | |
1632 | single byte code has 1-column width. */ | |
1633 | it->pixel_width = it->nglyphs = 1; | |
1634 | if (it->glyph_row) | |
1635 | append_glyph (it); | |
1636 | } | |
add44890 | 1637 | } |
a168702a GM |
1638 | else |
1639 | { | |
9332ea03 | 1640 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1641 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1642 | |
a168702a GM |
1643 | if (it->glyph_row) |
1644 | append_glyph (it); | |
1645 | } | |
1646 | ||
6b61353c | 1647 | done: |
177c0ea7 | 1648 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1649 | the caller. */ |
1650 | if (it->area == TEXT_AREA) | |
1651 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1652 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1653 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1654 | } |
1655 | ||
1656 | ||
6b61353c KH |
1657 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1658 | of the glyph property displayed. The value must be a list | |
1659 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1660 | being recognized: | |
1661 | ||
1662 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1663 | canonical char width wide. WIDTH may be an integer or floating | |
1664 | point number. | |
1665 | ||
1666 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1667 | to reach HPOS, a value in canonical character units. */ | |
1668 | ||
1669 | static void | |
1670 | produce_stretch_glyph (it) | |
1671 | struct it *it; | |
1672 | { | |
1673 | /* (space :width WIDTH ...) */ | |
1674 | Lisp_Object prop, plist; | |
1675 | int width = 0, align_to = -1; | |
1676 | int zero_width_ok_p = 0; | |
1677 | double tem; | |
1678 | ||
1679 | /* List should start with `space'. */ | |
1680 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1681 | plist = XCDR (it->object); | |
1682 | ||
1683 | /* Compute the width of the stretch. */ | |
1684 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1685 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1686 | { | |
1687 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1688 | zero_width_ok_p = 1; | |
1689 | width = (int)(tem + 0.5); | |
1690 | } | |
1691 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1692 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1693 | { | |
1694 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1695 | align_to = (align_to < 0 |
6b61353c KH |
1696 | ? 0 |
1697 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1698 | else if (align_to < 0) | |
1699 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1700 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1701 | zero_width_ok_p = 1; | |
1702 | } | |
1703 | else | |
1704 | /* Nothing specified -> width defaults to canonical char width. */ | |
1705 | width = FRAME_COLUMN_WIDTH (it->f); | |
1706 | ||
1707 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1708 | width = 1; | |
1709 | ||
1710 | if (width > 0 && it->glyph_row) | |
1711 | { | |
1712 | Lisp_Object o_object = it->object; | |
1713 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1714 | int n = width; | |
6b61353c KH |
1715 | |
1716 | if (!STRINGP (object)) | |
1717 | object = it->w->buffer; | |
1718 | it->object = object; | |
d2b4c17d | 1719 | it->char_to_display = ' '; |
6b61353c KH |
1720 | it->pixel_width = it->len = 1; |
1721 | while (n--) | |
1722 | append_glyph (it); | |
1723 | it->object = o_object; | |
6b61353c KH |
1724 | } |
1725 | it->pixel_width = width; | |
1726 | it->nglyphs = width; | |
1727 | } | |
1728 | ||
1729 | ||
4c12d738 KH |
1730 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1731 | Called from produce_composite_glyph for terminal frames if | |
1732 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1733 | face. */ | |
1734 | ||
1735 | static void | |
1736 | append_composite_glyph (it) | |
1737 | struct it *it; | |
1738 | { | |
1739 | struct glyph *glyph; | |
1740 | ||
1741 | xassert (it->glyph_row); | |
1742 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1743 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1744 | { | |
1745 | glyph->type = COMPOSITE_GLYPH; | |
1746 | glyph->pixel_width = it->pixel_width; | |
1747 | glyph->u.cmp_id = it->cmp_id; | |
1748 | glyph->face_id = it->face_id; | |
1749 | glyph->padding_p = 0; | |
1750 | glyph->charpos = CHARPOS (it->position); | |
1751 | glyph->object = it->object; | |
1752 | ||
1753 | ++it->glyph_row->used[it->area]; | |
1754 | ++glyph; | |
1755 | } | |
1756 | } | |
1757 | ||
1758 | ||
1759 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1760 | the composition. We simply produces components of the composition | |
1761 | assuming that that the terminal has a capability to layout/render | |
1762 | it correctly. */ | |
1763 | ||
1764 | static void | |
1765 | produce_composite_glyph (it) | |
1766 | struct it *it; | |
1767 | { | |
1768 | struct composition *cmp = composition_table[it->cmp_id]; | |
1769 | int c; | |
1770 | ||
1771 | xassert (cmp->glyph_len > 0); | |
1772 | c = COMPOSITION_GLYPH (cmp, 0); | |
1773 | it->pixel_width = CHAR_WIDTH (it->c); | |
1774 | it->nglyphs = 1; | |
1775 | ||
1776 | if (it->glyph_row) | |
1777 | append_composite_glyph (it); | |
1778 | } | |
1779 | ||
1780 | ||
a168702a GM |
1781 | /* Get information about special display element WHAT in an |
1782 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1783 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1784 | non-null glyph_row member. This function ensures that fields like | |
1785 | face_id, c, len of IT are left untouched. */ | |
1786 | ||
1787 | void | |
1788 | produce_special_glyphs (it, what) | |
1789 | struct it *it; | |
1790 | enum display_element_type what; | |
1791 | { | |
1792 | struct it temp_it; | |
f4d953fc | 1793 | Lisp_Object gc; |
072d84a6 | 1794 | GLYPH glyph; |
177c0ea7 | 1795 | |
a168702a GM |
1796 | temp_it = *it; |
1797 | temp_it.dp = NULL; | |
1798 | temp_it.what = IT_CHARACTER; | |
1799 | temp_it.len = 1; | |
7c752c80 | 1800 | temp_it.object = make_number (0); |
a168702a GM |
1801 | bzero (&temp_it.current, sizeof temp_it.current); |
1802 | ||
1803 | if (what == IT_CONTINUATION) | |
1804 | { | |
1805 | /* Continuation glyph. */ | |
f4d953fc | 1806 | SET_GLYPH_FROM_CHAR (glyph, '\\'); |
a168702a | 1807 | if (it->dp |
f4d953fc KS |
1808 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1809 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1810 | { |
f4d953fc KS |
1811 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1812 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1813 | } |
a168702a GM |
1814 | } |
1815 | else if (what == IT_TRUNCATION) | |
1816 | { | |
1817 | /* Truncation glyph. */ | |
f4d953fc | 1818 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1819 | if (it->dp |
f4d953fc KS |
1820 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1821 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1822 | { |
f4d953fc KS |
1823 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1824 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1825 | } |
a168702a GM |
1826 | } |
1827 | else | |
1828 | abort (); | |
072d84a6 | 1829 | |
f4d953fc KS |
1830 | temp_it.c = GLYPH_CHAR (glyph); |
1831 | temp_it.face_id = GLYPH_FACE (glyph); | |
072d84a6 RS |
1832 | temp_it.len = CHAR_BYTES (temp_it.c); |
1833 | ||
1834 | produce_glyphs (&temp_it); | |
1835 | it->pixel_width = temp_it.pixel_width; | |
1836 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1837 | } |
1838 | ||
1839 | ||
a168702a GM |
1840 | \f |
1841 | /*********************************************************************** | |
1842 | Faces | |
1843 | ***********************************************************************/ | |
1844 | ||
4e6ba4a4 GM |
1845 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1846 | one of the enumerators from enum no_color_bit, or a bit set built | |
1847 | from them. Some display attributes may not be used together with | |
1848 | color; the termcap capability `NC' specifies which ones. */ | |
1849 | ||
fca177d4 KL |
1850 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1851 | (tty->TN_max_colors > 0 \ | |
1852 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1853 | : 1) | |
a168702a | 1854 | |
072d84a6 RS |
1855 | /* Turn appearances of face FACE_ID on tty frame F on. |
1856 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1857 | |
1858 | static void | |
1859 | turn_on_face (f, face_id) | |
1860 | struct frame *f; | |
1861 | int face_id; | |
1862 | { | |
1863 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1864 | long fg = face->foreground; |
1865 | long bg = face->background; | |
28d7d09f | 1866 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1867 | |
86a7d192 GM |
1868 | /* Do this first because TS_end_standout_mode may be the same |
1869 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1870 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1871 | { |
fca177d4 | 1872 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1873 | { |
1874 | if (fg >= 0 && bg >= 0) | |
1875 | { | |
1876 | /* If the terminal supports colors, we can set them | |
1877 | below without using reverse video. The face's fg | |
1878 | and bg colors are set as they should appear on | |
1879 | the screen, i.e. they take the inverse-video'ness | |
1880 | of the face already into account. */ | |
1881 | } | |
1882 | else if (inverse_video) | |
1883 | { | |
1884 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1885 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1886 | tty_toggle_highlight (tty); |
86a7d192 GM |
1887 | } |
1888 | else | |
1889 | { | |
1890 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1891 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1892 | tty_toggle_highlight (tty); |
86a7d192 GM |
1893 | } |
1894 | } | |
1895 | else | |
1896 | { | |
1897 | /* If we can't display colors, use reverse video | |
1898 | if the face specifies that. */ | |
37526b42 GM |
1899 | if (inverse_video) |
1900 | { | |
1901 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1902 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1903 | tty_toggle_highlight (tty); |
37526b42 GM |
1904 | } |
1905 | else | |
1906 | { | |
1907 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1908 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1909 | tty_toggle_highlight (tty); |
37526b42 | 1910 | } |
86a7d192 GM |
1911 | } |
1912 | } | |
a168702a GM |
1913 | |
1914 | if (face->tty_bold_p) | |
4e6ba4a4 | 1915 | { |
fca177d4 KL |
1916 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1917 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1918 | } |
a168702a | 1919 | else if (face->tty_dim_p) |
fca177d4 KL |
1920 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1921 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1922 | |
1923 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1924 | if (face->tty_alt_charset_p |
fca177d4 KL |
1925 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1926 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1927 | |
4e6ba4a4 | 1928 | if (face->tty_blinking_p |
fca177d4 KL |
1929 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1930 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1931 | |
fca177d4 KL |
1932 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1933 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1934 | |
fca177d4 | 1935 | if (tty->TN_max_colors > 0) |
a168702a | 1936 | { |
753d161b | 1937 | char *ts, *p; |
177c0ea7 | 1938 | |
fbf34973 | 1939 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1940 | if (fg >= 0 && ts) |
a168702a | 1941 | { |
fbf34973 | 1942 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 1943 | OUTPUT (tty, p); |
a168702a GM |
1944 | xfree (p); |
1945 | } | |
1946 | ||
fbf34973 | 1947 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1948 | if (bg >= 0 && ts) |
a168702a | 1949 | { |
fbf34973 | 1950 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 1951 | OUTPUT (tty, p); |
a168702a GM |
1952 | xfree (p); |
1953 | } | |
1954 | } | |
1955 | } | |
177c0ea7 | 1956 | |
a168702a GM |
1957 | |
1958 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1959 | ||
1960 | static void | |
1961 | turn_off_face (f, face_id) | |
1962 | struct frame *f; | |
1963 | int face_id; | |
1964 | { | |
1965 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1966 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1967 | |
1968 | xassert (face != NULL); | |
1969 | ||
fca177d4 | 1970 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1971 | { |
1972 | /* Capability "me" will turn off appearance modes double-bright, | |
1973 | half-bright, reverse-video, standout, underline. It may or | |
1974 | may not turn off alt-char-mode. */ | |
1975 | if (face->tty_bold_p | |
1976 | || face->tty_dim_p | |
1977 | || face->tty_reverse_p | |
1978 | || face->tty_alt_charset_p | |
1979 | || face->tty_blinking_p | |
1980 | || face->tty_underline_p) | |
65aa5e85 | 1981 | { |
fca177d4 KL |
1982 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1983 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1984 | tty->standout_mode = 0; | |
65aa5e85 | 1985 | } |
a168702a GM |
1986 | |
1987 | if (face->tty_alt_charset_p) | |
fca177d4 | 1988 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1989 | } |
1990 | else | |
1991 | { | |
1992 | /* If we don't have "me" we can only have those appearances | |
1993 | that have exit sequences defined. */ | |
1994 | if (face->tty_alt_charset_p) | |
fca177d4 | 1995 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1996 | |
54800acb | 1997 | if (face->tty_underline_p) |
fca177d4 | 1998 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1999 | } |
2000 | ||
2001 | /* Switch back to default colors. */ | |
fca177d4 | 2002 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2003 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2004 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2005 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2006 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2007 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2008 | } |
177c0ea7 JB |
2009 | |
2010 | ||
b63a55ac MB |
2011 | /* Return non-zero if the terminal on frame F supports all of the |
2012 | capabilities in CAPS simultaneously, with foreground and background | |
2013 | colors FG and BG. */ | |
2014 | ||
4a8130f2 | 2015 | int |
fca177d4 | 2016 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 2017 | struct tty_display_info *tty; |
b63a55ac MB |
2018 | unsigned caps; |
2019 | unsigned long fg, bg; | |
2020 | { | |
fca177d4 KL |
2021 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2022 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2023 | return 0; |
2024 | ||
fca177d4 KL |
2025 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2026 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2027 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2028 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2029 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2030 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2031 | |
2032 | /* We can do it! */ | |
2033 | return 1; | |
2034 | } | |
2035 | ||
a168702a GM |
2036 | /* Return non-zero if the terminal is capable to display colors. */ |
2037 | ||
2038 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2039 | 0, 1, 0, |
6ed8eeff KL |
2040 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2041 | ||
2042 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
2043 | frame's terminal). This function always returns nil if TERMINAL | |
2044 | is not on a tty device. */) | |
2045 | (terminal) | |
2046 | Lisp_Object terminal; | |
a168702a | 2047 | { |
717a00ef | 2048 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2049 | if (!t) |
428a555e | 2050 | return Qnil; |
3224dac1 | 2051 | else |
6ed8eeff | 2052 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2053 | } |
2054 | ||
bfa62f96 EZ |
2055 | /* Return the number of supported colors. */ |
2056 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2057 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2058 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2059 | ||
2060 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
717a00ef | 2061 | frame's terminal). This function always returns 0 if TERMINAL |
6ed8eeff KL |
2062 | is not on a tty device. */) |
2063 | (terminal) | |
2064 | Lisp_Object terminal; | |
bfa62f96 | 2065 | { |
717a00ef | 2066 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2067 | if (!t) |
8c8d5f35 | 2068 | return make_number (0); |
3224dac1 | 2069 | else |
6ed8eeff | 2070 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2071 | } |
2072 | ||
ace28297 | 2073 | #ifndef WINDOWSNT |
a168702a | 2074 | |
5205ee62 GM |
2075 | /* Declare here rather than in the function, as in the rest of Emacs, |
2076 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2077 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2078 | static int default_max_colors; |
2079 | static int default_max_pairs; | |
2080 | static int default_no_color_video; | |
2081 | static char *default_orig_pair; | |
2082 | static char *default_set_foreground; | |
2083 | static char *default_set_background; | |
fcf8ff2e | 2084 | |
ace28297 EZ |
2085 | /* Save or restore the default color-related capabilities of this |
2086 | terminal. */ | |
2087 | static void | |
28d7d09f | 2088 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2089 | { |
ace28297 EZ |
2090 | |
2091 | if (save) | |
2092 | { | |
70fdbb46 | 2093 | xfree (default_orig_pair); |
fca177d4 | 2094 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2095 | |
70fdbb46 | 2096 | xfree (default_set_foreground); |
fca177d4 | 2097 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2098 | : NULL; |
2099 | ||
70fdbb46 | 2100 | xfree (default_set_background); |
fca177d4 | 2101 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2102 | : NULL; |
2103 | ||
fca177d4 KL |
2104 | default_max_colors = tty->TN_max_colors; |
2105 | default_max_pairs = tty->TN_max_pairs; | |
2106 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2107 | } |
2108 | else | |
2109 | { | |
fca177d4 KL |
2110 | tty->TS_orig_pair = default_orig_pair; |
2111 | tty->TS_set_foreground = default_set_foreground; | |
2112 | tty->TS_set_background = default_set_background; | |
2113 | tty->TN_max_colors = default_max_colors; | |
2114 | tty->TN_max_pairs = default_max_pairs; | |
2115 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2116 | } |
2117 | } | |
2118 | ||
2119 | /* Setup one of the standard tty color schemes according to MODE. | |
2120 | MODE's value is generally the number of colors which we want to | |
2121 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2122 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2123 | static void |
28d7d09f | 2124 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2125 | { |
6b61353c KH |
2126 | /* Canonicalize all negative values of MODE. */ |
2127 | if (mode < -1) | |
2128 | mode = -1; | |
2129 | ||
ace28297 EZ |
2130 | switch (mode) |
2131 | { | |
2132 | case -1: /* no colors at all */ | |
fca177d4 KL |
2133 | tty->TN_max_colors = 0; |
2134 | tty->TN_max_pairs = 0; | |
2135 | tty->TN_no_color_video = 0; | |
2136 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2137 | break; |
2138 | case 0: /* default colors, if any */ | |
2139 | default: | |
fca177d4 | 2140 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2141 | break; |
2142 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2143 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2144 | #ifdef TERMINFO |
fca177d4 KL |
2145 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2146 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2147 | #else |
fca177d4 KL |
2148 | tty->TS_set_foreground = "\033[3%dm"; |
2149 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2150 | #endif |
fca177d4 KL |
2151 | tty->TN_max_colors = 8; |
2152 | tty->TN_max_pairs = 64; | |
2153 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2154 | break; |
2155 | } | |
2156 | } | |
2157 | ||
2158 | void | |
9b2cd403 SM |
2159 | set_tty_color_mode (tty, f) |
2160 | struct tty_display_info *tty; | |
ace28297 | 2161 | struct frame *f; |
ace28297 | 2162 | { |
9b2cd403 SM |
2163 | Lisp_Object tem, val, color_mode_spec; |
2164 | Lisp_Object color_mode; | |
2165 | int mode; | |
ace28297 | 2166 | extern Lisp_Object Qtty_color_mode; |
9b2cd403 SM |
2167 | Lisp_Object tty_color_mode_alist |
2168 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2169 | |
c23b5410 | 2170 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2171 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2172 | |
6b61353c | 2173 | if (INTEGERP (val)) |
ace28297 EZ |
2174 | color_mode = val; |
2175 | else | |
2176 | { | |
9b2cd403 SM |
2177 | tem = (NILP (tty_color_mode_alist) ? Qnil |
2178 | : Fassq (val, XSYMBOL (tty_color_mode_alist)->value)); | |
2179 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; | |
ace28297 | 2180 | } |
6b61353c | 2181 | |
9b2cd403 | 2182 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2183 | |
9b2cd403 | 2184 | if (mode != tty->previous_color_mode) |
ace28297 | 2185 | { |
9b2cd403 SM |
2186 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2187 | tty->previous_color_mode = mode; | |
2188 | tty_setup_colors (tty , mode); | |
2189 | /* This recomputes all the faces given the new color definitions. */ | |
2190 | safe_call (1, &funsym); | |
ace28297 EZ |
2191 | } |
2192 | } | |
2193 | ||
2194 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2195 | |
2196 | \f | |
28d440ab | 2197 | |
6ed8eeff | 2198 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2199 | |
6ed8eeff | 2200 | struct terminal * |
717a00ef | 2201 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2202 | { |
717a00ef | 2203 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2204 | |
6ed8eeff | 2205 | if (t && t->type != output_termcap) |
717a00ef KL |
2206 | { |
2207 | if (throw) | |
2208 | error ("Device %d is not a termcap terminal device", t->id); | |
2209 | else | |
2210 | return NULL; | |
2211 | } | |
b6660415 | 2212 | |
6ed8eeff | 2213 | return t; |
b6660415 KL |
2214 | } |
2215 | ||
ab797f65 KL |
2216 | /* Return an active termcap device that uses the tty device with the |
2217 | given name. | |
b6660415 | 2218 | |
7e59217d | 2219 | This function ignores suspended devices. |
da8e1115 KL |
2220 | |
2221 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2222 | |
6ed8eeff | 2223 | struct terminal * |
7e59217d | 2224 | get_named_tty (name) |
28d440ab KL |
2225 | char *name; |
2226 | { | |
6ed8eeff KL |
2227 | struct terminal *t; |
2228 | ||
ab797f65 KL |
2229 | if (!name) |
2230 | abort (); | |
2231 | ||
2232 | for (t = terminal_list; t; t = t->next_terminal) | |
2233 | { | |
2234 | if (t->type == output_termcap | |
2235 | && !strcmp (t->display_info.tty->name, name) | |
2236 | && TERMINAL_ACTIVE_P (t)) | |
2237 | return t; | |
2238 | } | |
28d440ab KL |
2239 | |
2240 | return 0; | |
2241 | } | |
2242 | ||
2243 | \f | |
6ed8eeff KL |
2244 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2245 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2246 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2247 | |
6ed8eeff KL |
2248 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2249 | frame's terminal). */) | |
2250 | (terminal) | |
2251 | Lisp_Object terminal; | |
b6660415 | 2252 | { |
6ed8eeff | 2253 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2254 | |
6ed8eeff | 2255 | if (t->type != output_termcap) |
ab797f65 KL |
2256 | return Qnil; |
2257 | ||
6ed8eeff KL |
2258 | if (t->display_info.tty->type) |
2259 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2260 | else |
2261 | return Qnil; | |
2262 | } | |
2263 | ||
6ed8eeff KL |
2264 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
2265 | doc: /* Return non-nil if TERMINAL is on the controlling tty of the Emacs process. | |
a3fbb897 | 2266 | |
6ed8eeff KL |
2267 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2268 | frame's terminal). This function always returns nil if TERMINAL | |
2269 | is not on a tty device. */) | |
2270 | (terminal) | |
2271 | Lisp_Object terminal; | |
4a933ef8 | 2272 | { |
6ed8eeff | 2273 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2274 | |
78048085 | 2275 | if (t->type != output_termcap || strcmp (t->display_info.tty->name, DEV_TTY)) |
4a933ef8 KL |
2276 | return Qnil; |
2277 | else | |
2278 | return Qt; | |
2279 | } | |
2280 | ||
a3fbb897 | 2281 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2282 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2283 | This is used to override the terminfo data, for certain terminals that |
2284 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2285 | no effect if used on a non-tty terminal. |
a3fbb897 | 2286 | |
6ed8eeff KL |
2287 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2288 | frame's terminal). This function always returns nil if TERMINAL | |
2289 | is not on a tty device. */) | |
2290 | (terminal) | |
2291 | Lisp_Object terminal; | |
a3fbb897 | 2292 | { |
6ed8eeff | 2293 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2294 | |
6ed8eeff KL |
2295 | if (t->type == output_termcap) |
2296 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2297 | return Qnil; |
2298 | } | |
2299 | ||
ed8dad6b KL |
2300 | \f |
2301 | ||
2302 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2303 | doc: /* Suspend the terminal device TTY. | |
2304 | ||
2305 | The device is restored to its default state, and Emacs ceases all | |
2306 | access to the tty device. Frames that use the device are not deleted, | |
2307 | but input is not read from them and if they change, their display is | |
2308 | not updated. | |
2309 | ||
2310 | TTY may be a terminal id, a frame, or nil for the terminal device of | |
2311 | the currently selected frame. | |
2312 | ||
e4019195 | 2313 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2314 | device. The functions are run with one arg, the id of the suspended |
2315 | terminal device. | |
2316 | ||
2317 | `suspend-tty' does nothing if it is called on a device that is already | |
2318 | suspended. | |
2319 | ||
2320 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2321 | (tty) | |
2322 | Lisp_Object tty; | |
2323 | { | |
717a00ef | 2324 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2325 | FILE *f; |
f4d953fc | 2326 | |
6ed8eeff | 2327 | if (!t) |
ed8dad6b KL |
2328 | error ("Unknown tty device"); |
2329 | ||
6ed8eeff | 2330 | f = t->display_info.tty->input; |
f4d953fc | 2331 | |
ed8dad6b KL |
2332 | if (f) |
2333 | { | |
23d4cba5 DN |
2334 | /* First run `suspend-tty-functions' and then clean up the tty |
2335 | state because `suspend-tty-functions' might need to change | |
2336 | the tty state. */ | |
2337 | if (!NILP (Vrun_hooks)) | |
2338 | { | |
2339 | Lisp_Object args[2]; | |
2340 | args[0] = intern ("suspend-tty-functions"); | |
2341 | XSETTERMINAL (args[1], t); | |
2342 | Frun_hook_with_args (2, args); | |
2343 | } | |
2344 | ||
6ed8eeff | 2345 | reset_sys_modes (t->display_info.tty); |
ed8dad6b KL |
2346 | |
2347 | delete_keyboard_wait_descriptor (fileno (f)); | |
f4d953fc | 2348 | |
ed8dad6b | 2349 | fclose (f); |
6ed8eeff KL |
2350 | if (f != t->display_info.tty->output) |
2351 | fclose (t->display_info.tty->output); | |
f4d953fc | 2352 | |
6ed8eeff KL |
2353 | t->display_info.tty->input = 0; |
2354 | t->display_info.tty->output = 0; | |
ed8dad6b | 2355 | |
6ed8eeff KL |
2356 | if (FRAMEP (t->display_info.tty->top_frame)) |
2357 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2358 | |
ed8dad6b KL |
2359 | } |
2360 | ||
4a665758 KL |
2361 | /* Clear display hooks to prevent further output. */ |
2362 | clear_tty_hooks (t); | |
2363 | ||
ed8dad6b KL |
2364 | return Qnil; |
2365 | } | |
2366 | ||
2367 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2368 | doc: /* Resume the previously suspended terminal device TTY. | |
2369 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2370 | suspended terminal are revived. |
ed8dad6b | 2371 | |
6ed8eeff KL |
2372 | It is an error to resume a terminal while another terminal is active |
2373 | on the same device. | |
ed8dad6b | 2374 | |
e4019195 | 2375 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2376 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2377 | device. |
2378 | ||
2379 | `resume-tty' does nothing if it is called on a device that is not | |
2380 | suspended. | |
2381 | ||
6ed8eeff KL |
2382 | TTY may be a terminal id, a frame, or nil for the terminal device of |
2383 | the currently selected frame. */) | |
ed8dad6b KL |
2384 | (tty) |
2385 | Lisp_Object tty; | |
2386 | { | |
717a00ef | 2387 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2388 | int fd; |
2389 | ||
6ed8eeff | 2390 | if (!t) |
ed8dad6b KL |
2391 | error ("Unknown tty device"); |
2392 | ||
6ed8eeff | 2393 | if (!t->display_info.tty->input) |
ed8dad6b | 2394 | { |
6ed8eeff | 2395 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2396 | error ("Cannot resume display while another display is active on the same device"); |
2397 | ||
6ed8eeff | 2398 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2399 | |
59b3194c KL |
2400 | if (fd == -1) |
2401 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2402 | |
78048085 | 2403 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2404 | dissociate_if_controlling_tty (fd); |
78048085 | 2405 | |
6ed8eeff KL |
2406 | t->display_info.tty->output = fdopen (fd, "w+"); |
2407 | t->display_info.tty->input = t->display_info.tty->output; | |
78048085 | 2408 | |
ed8dad6b KL |
2409 | add_keyboard_wait_descriptor (fd); |
2410 | ||
6ed8eeff KL |
2411 | if (FRAMEP (t->display_info.tty->top_frame)) |
2412 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
ed8dad6b | 2413 | |
6ed8eeff | 2414 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2415 | |
e4019195 | 2416 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2417 | if (!NILP (Vrun_hooks)) |
2418 | { | |
2419 | Lisp_Object args[2]; | |
e4019195 | 2420 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2421 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2422 | Frun_hook_with_args (2, args); |
2423 | } | |
2424 | } | |
2425 | ||
4a665758 KL |
2426 | set_tty_hooks (t); |
2427 | ||
ed8dad6b KL |
2428 | return Qnil; |
2429 | } | |
a3fbb897 | 2430 | |
819b8f00 | 2431 | \f |
e882229c NR |
2432 | /*********************************************************************** |
2433 | Mouse | |
2434 | ***********************************************************************/ | |
2435 | ||
7e5a23bd | 2436 | #ifdef HAVE_GPM |
5faa03ba RS |
2437 | void |
2438 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2439 | { |
1ec5dc77 | 2440 | /* TODO: how to set mouse position? |
94da14a0 NR |
2441 | const char *name; |
2442 | int fd; | |
2443 | name = (const char *) ttyname (0); | |
2444 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2445 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2446 | close (fd); |
2447 | last_mouse_x = x; | |
80fb2ce0 | 2448 | last_mouse_y = y; */ |
94da14a0 NR |
2449 | } |
2450 | ||
e882229c NR |
2451 | static void |
2452 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2453 | { | |
6178ce5e | 2454 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2455 | int save_x, save_y; |
1ec5dc77 | 2456 | int i; |
e882229c | 2457 | |
7be1c21a MB |
2458 | struct frame *f = XFRAME (w->frame); |
2459 | struct tty_display_info *tty = FRAME_TTY (f); | |
2460 | ||
e882229c NR |
2461 | if (/* If window is in the process of being destroyed, don't bother |
2462 | to do anything. */ | |
2463 | w->current_matrix != NULL | |
2464 | /* Recognize when we are called to operate on rows that don't exist | |
2465 | anymore. This can happen when a window is split. */ | |
2466 | && mouse_face_end_row < w->current_matrix->nrows) | |
2467 | { | |
2468 | /* write_glyphs writes at cursor position, so we need to | |
2469 | temporarily move cursor coordinates to the beginning of | |
2470 | the highlight region. */ | |
f4d953fc | 2471 | |
e882229c | 2472 | /* Save current cursor co-ordinates */ |
7be1c21a MB |
2473 | save_y = curY (tty); |
2474 | save_x = curX (tty); | |
e882229c NR |
2475 | |
2476 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2477 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2478 | { | |
2479 | int start_hpos, end_hpos, nglyphs; | |
2480 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2481 | ||
2482 | /* Don't do anything if row doesn't have valid contents. */ | |
2483 | if (!row->enabled_p) | |
2484 | continue; | |
2485 | ||
2486 | /* For all but the first row, the highlight starts at column 0. */ | |
2487 | if (i == mouse_face_beg_row) | |
2488 | start_hpos = mouse_face_beg_col; | |
2489 | else | |
2490 | start_hpos = 0; | |
2491 | ||
2492 | if (i == mouse_face_end_row) | |
2493 | end_hpos = mouse_face_end_col; | |
2494 | else | |
2495 | { | |
2496 | end_hpos = row->used[TEXT_AREA]; | |
2497 | if (draw == DRAW_NORMAL_TEXT) | |
2498 | row->fill_line_p = 1; /* Clear to end of line */ | |
2499 | } | |
2500 | ||
2501 | if (end_hpos <= start_hpos) | |
2502 | continue; | |
2503 | /* Record that some glyphs of this row are displayed in | |
2504 | mouse-face. */ | |
2505 | row->mouse_face_p = draw > 0; | |
2506 | ||
2507 | nglyphs = end_hpos - start_hpos; | |
2508 | ||
2509 | if (end_hpos >= row->used[TEXT_AREA]) | |
2510 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2511 | ||
2512 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2513 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2514 | + WINDOW_LEFT_EDGE_X (w); | |
f4d953fc | 2515 | |
7be1c21a | 2516 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2517 | |
2518 | if (draw == DRAW_MOUSE_FACE) | |
2519 | { | |
7be1c21a | 2520 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2521 | nglyphs, mouse_face_face_id); |
2522 | } | |
2523 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2524 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2525 | } |
7be1c21a | 2526 | cursor_to (f, save_y, save_x); |
e882229c NR |
2527 | } |
2528 | } | |
2529 | ||
2530 | static void | |
2531 | term_clear_mouse_face () | |
2532 | { | |
6178ce5e | 2533 | if (!NILP (mouse_face_window)) |
e882229c NR |
2534 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2535 | ||
2536 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2537 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2538 | mouse_face_window = Qnil; |
e882229c NR |
2539 | } |
2540 | ||
2541 | /* Find the glyph matrix position of buffer position POS in window W. | |
2542 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2543 | must be up to date. If POS is above window start return (0, 0). | |
2544 | If POS is after end of W, return end of last line in W. | |
2545 | - taken from msdos.c */ | |
2546 | static int | |
2547 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2548 | { | |
2549 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2550 | int yb = window_text_bottom_y (w); | |
2551 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2552 | ||
2553 | while (row->y < yb) | |
2554 | { | |
2555 | if (row->used[TEXT_AREA]) | |
2556 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2557 | else | |
2558 | line_start_position = 0; | |
2559 | ||
2560 | if (line_start_position > pos) | |
2561 | break; | |
2562 | /* If the position sought is the end of the buffer, | |
2563 | don't include the blank lines at the bottom of the window. */ | |
2564 | else if (line_start_position == pos | |
2565 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2566 | { | |
2567 | maybe_next_line_p = 1; | |
2568 | break; | |
2569 | } | |
2570 | else if (line_start_position > 0) | |
2571 | best_row = row; | |
2572 | ||
2573 | /* Don't overstep the last matrix row, lest we get into the | |
2574 | never-never land... */ | |
2575 | if (row->y + 1 >= yb) | |
2576 | break; | |
2577 | ||
2578 | ++row; | |
2579 | } | |
2580 | ||
2581 | /* Find the right column within BEST_ROW. */ | |
2582 | lastcol = 0; | |
2583 | row = best_row; | |
2584 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2585 | { | |
2586 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2587 | int charpos; | |
2588 | ||
2589 | charpos = glyph->charpos; | |
2590 | if (charpos == pos) | |
2591 | { | |
2592 | *hpos = i; | |
2593 | *vpos = row->y; | |
2594 | return 1; | |
2595 | } | |
2596 | else if (charpos > pos) | |
2597 | break; | |
2598 | else if (charpos > 0) | |
2599 | lastcol = i; | |
2600 | } | |
2601 | ||
2602 | /* If we're looking for the end of the buffer, | |
2603 | and we didn't find it in the line we scanned, | |
2604 | use the start of the following line. */ | |
2605 | if (maybe_next_line_p) | |
2606 | { | |
2607 | ++row; | |
2608 | lastcol = 0; | |
2609 | } | |
2610 | ||
2611 | *vpos = row->y; | |
2612 | *hpos = lastcol + 1; | |
2613 | return 0; | |
2614 | } | |
2615 | ||
2616 | static void | |
2617 | term_mouse_highlight (struct frame *f, int x, int y) | |
2618 | { | |
2619 | enum window_part part; | |
2620 | Lisp_Object window; | |
2621 | struct window *w; | |
2622 | struct buffer *b; | |
2623 | ||
2624 | if (NILP (Vmouse_highlight) | |
2625 | || !f->glyphs_initialized_p) | |
2626 | return; | |
2627 | ||
e882229c NR |
2628 | /* Which window is that in? */ |
2629 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2630 | ||
2631 | /* Not on a window -> return. */ | |
2632 | if (!WINDOWP (window)) | |
2633 | return; | |
2634 | ||
6178ce5e | 2635 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2636 | term_clear_mouse_face (); |
2637 | ||
2638 | w = XWINDOW (window); | |
2639 | ||
2640 | /* Are we in a window whose display is up to date? | |
2641 | And verify the buffer's text has not changed. */ | |
2642 | b = XBUFFER (w->buffer); | |
2643 | if (part == ON_TEXT | |
2644 | && EQ (w->window_end_valid, w->buffer) | |
2645 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2646 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2647 | { | |
2648 | int pos, i, nrows = w->current_matrix->nrows; | |
2649 | struct glyph_row *row; | |
2650 | struct glyph *glyph; | |
2651 | ||
2652 | /* Find the glyph under X/Y. */ | |
2653 | glyph = NULL; | |
2654 | if (y >= 0 && y < nrows) | |
2655 | { | |
2656 | row = MATRIX_ROW (w->current_matrix, y); | |
2657 | /* Give up if some row before the one we are looking for is | |
2658 | not enabled. */ | |
2659 | for (i = 0; i <= y; i++) | |
2660 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2661 | break; | |
2662 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2663 | && row->displays_text_p | |
2664 | && x < window_box_width (w, TEXT_AREA)) | |
2665 | { | |
2666 | glyph = row->glyphs[TEXT_AREA]; | |
2667 | if (x >= row->used[TEXT_AREA]) | |
2668 | glyph = NULL; | |
2669 | else | |
2670 | { | |
2671 | glyph += x; | |
2672 | if (!BUFFERP (glyph->object)) | |
2673 | glyph = NULL; | |
2674 | } | |
2675 | } | |
2676 | } | |
2677 | ||
2678 | /* Clear mouse face if X/Y not over text. */ | |
2679 | if (glyph == NULL) | |
2680 | { | |
2681 | term_clear_mouse_face (); | |
2682 | return; | |
2683 | } | |
2684 | ||
2685 | if (!BUFFERP (glyph->object)) | |
2686 | abort (); | |
2687 | pos = glyph->charpos; | |
2688 | ||
2689 | /* Check for mouse-face. */ | |
2690 | { | |
2691 | extern Lisp_Object Qmouse_face; | |
2692 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
3b8c0c70 | 2693 | int noverlays, obegv, ozv; |
e882229c NR |
2694 | struct buffer *obuf; |
2695 | ||
2696 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2697 | if (pos > BUF_Z (b)) | |
2698 | return; | |
2699 | ||
2700 | /* Make the window's buffer temporarily current for | |
2701 | overlays_at and compute_char_face. */ | |
2702 | obuf = current_buffer; | |
2703 | current_buffer = b; | |
2704 | obegv = BEGV; | |
2705 | ozv = ZV; | |
2706 | BEGV = BEG; | |
2707 | ZV = Z; | |
2708 | ||
2709 | /* Is this char mouse-active? */ | |
2710 | XSETINT (position, pos); | |
2711 | ||
2712 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2713 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2714 | /* Sort overlays into increasing priority order. */ | |
2715 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2716 | ||
2717 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2718 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2719 | && y >= mouse_face_beg_row |
2720 | && y <= mouse_face_end_row | |
2721 | && (y > mouse_face_beg_row | |
2722 | || x >= mouse_face_beg_col) | |
2723 | && (y < mouse_face_end_row | |
2724 | || x < mouse_face_end_col | |
2725 | || mouse_face_past_end))) | |
2726 | { | |
2727 | /* Clear the display of the old active region, if any. */ | |
2728 | term_clear_mouse_face (); | |
2729 | ||
2730 | /* Find the highest priority overlay that has a mouse-face | |
2731 | property. */ | |
2732 | overlay = Qnil; | |
2733 | for (i = noverlays - 1; i >= 0; --i) | |
2734 | { | |
2735 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2736 | if (!NILP (mouse_face)) | |
2737 | { | |
2738 | overlay = overlay_vec[i]; | |
2739 | break; | |
2740 | } | |
2741 | } | |
2742 | ||
2743 | /* If no overlay applies, get a text property. */ | |
2744 | if (NILP (overlay)) | |
2745 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2746 | w->buffer); | |
2747 | ||
2748 | /* Handle the overlay case. */ | |
2749 | if (!NILP (overlay)) | |
2750 | { | |
2751 | /* Find the range of text around this char that | |
2752 | should be active. */ | |
2753 | Lisp_Object before, after; | |
0f8b27ea | 2754 | EMACS_INT ignore; |
e882229c NR |
2755 | |
2756 | ||
2757 | before = Foverlay_start (overlay); | |
2758 | after = Foverlay_end (overlay); | |
2759 | /* Record this as the current active region. */ | |
2760 | fast_find_position (w, XFASTINT (before), | |
2761 | &mouse_face_beg_col, | |
2762 | &mouse_face_beg_row); | |
2763 | ||
2764 | mouse_face_past_end | |
2765 | = !fast_find_position (w, XFASTINT (after), | |
2766 | &mouse_face_end_col, | |
2767 | &mouse_face_end_row); | |
6178ce5e | 2768 | mouse_face_window = window; |
e882229c NR |
2769 | |
2770 | mouse_face_face_id | |
2771 | = face_at_buffer_position (w, pos, 0, 0, | |
2772 | &ignore, pos + 1, 1); | |
2773 | ||
2774 | /* Display it as active. */ | |
2775 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2776 | } | |
2777 | /* Handle the text property case. */ | |
2778 | else if (!NILP (mouse_face)) | |
2779 | { | |
2780 | /* Find the range of text around this char that | |
2781 | should be active. */ | |
2782 | Lisp_Object before, after, beginning, end; | |
0f8b27ea | 2783 | EMACS_INT ignore; |
e882229c NR |
2784 | |
2785 | beginning = Fmarker_position (w->start); | |
2786 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2787 | before | |
2788 | = Fprevious_single_property_change (make_number (pos + 1), | |
2789 | Qmouse_face, | |
2790 | w->buffer, beginning); | |
2791 | after | |
2792 | = Fnext_single_property_change (position, Qmouse_face, | |
2793 | w->buffer, end); | |
2794 | ||
2795 | /* Record this as the current active region. */ | |
2796 | fast_find_position (w, XFASTINT (before), | |
2797 | &mouse_face_beg_col, | |
2798 | &mouse_face_beg_row); | |
2799 | mouse_face_past_end | |
2800 | = !fast_find_position (w, XFASTINT (after), | |
2801 | &mouse_face_end_col, | |
2802 | &mouse_face_end_row); | |
6178ce5e | 2803 | mouse_face_window = window; |
e882229c NR |
2804 | |
2805 | mouse_face_face_id | |
2806 | = face_at_buffer_position (w, pos, 0, 0, | |
2807 | &ignore, pos + 1, 1); | |
2808 | ||
2809 | /* Display it as active. */ | |
2810 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2811 | } | |
2812 | } | |
2813 | ||
2814 | /* Look for a `help-echo' property. */ | |
2815 | { | |
2816 | Lisp_Object help; | |
2817 | extern Lisp_Object Qhelp_echo; | |
2818 | ||
2819 | /* Check overlays first. */ | |
2820 | help = Qnil; | |
2821 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2822 | { | |
2823 | overlay = overlay_vec[i]; | |
2824 | help = Foverlay_get (overlay, Qhelp_echo); | |
2825 | } | |
2826 | ||
2827 | if (!NILP (help)) | |
2828 | { | |
2829 | help_echo_string = help; | |
2830 | help_echo_window = window; | |
2831 | help_echo_object = overlay; | |
2832 | help_echo_pos = pos; | |
2833 | } | |
2834 | /* Try text properties. */ | |
2835 | else if (NILP (help) | |
2836 | && ((STRINGP (glyph->object) | |
2837 | && glyph->charpos >= 0 | |
2838 | && glyph->charpos < SCHARS (glyph->object)) | |
2839 | || (BUFFERP (glyph->object) | |
2840 | && glyph->charpos >= BEGV | |
2841 | && glyph->charpos < ZV))) | |
2842 | { | |
2843 | help = Fget_text_property (make_number (glyph->charpos), | |
2844 | Qhelp_echo, glyph->object); | |
2845 | if (!NILP (help)) | |
2846 | { | |
2847 | help_echo_string = help; | |
2848 | help_echo_window = window; | |
2849 | help_echo_object = glyph->object; | |
2850 | help_echo_pos = glyph->charpos; | |
2851 | } | |
2852 | } | |
2853 | } | |
2854 | ||
2855 | BEGV = obegv; | |
2856 | ZV = ozv; | |
2857 | current_buffer = obuf; | |
2858 | } | |
2859 | } | |
2860 | } | |
2861 | ||
2862 | static int | |
2863 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2864 | { | |
2865 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2866 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2867 | { | |
2868 | frame->mouse_moved = 1; | |
80fb2ce0 | 2869 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2870 | /* Remember which glyph we're now on. */ |
2871 | last_mouse_x = event->x; | |
2872 | last_mouse_y = event->y; | |
2873 | return 1; | |
2874 | } | |
2875 | return 0; | |
2876 | } | |
2877 | ||
2878 | /* Return the current position of the mouse. | |
2879 | ||
2880 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2881 | Emacs frame. If it is set to zero, all the other arguments are | |
2882 | garbage. | |
2883 | ||
2884 | Set *bar_window to Qnil, and *x and *y to the column and | |
2885 | row of the character cell the mouse is over. | |
2886 | ||
2887 | Set *time to the time the mouse was at the returned position. | |
2888 | ||
80fb2ce0 | 2889 | This clears mouse_moved until the next motion |
94da14a0 | 2890 | event arrives. */ |
e882229c NR |
2891 | static void |
2892 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2893 | enum scroll_bar_part *part, Lisp_Object *x, | |
2894 | Lisp_Object *y, unsigned long *time) | |
2895 | { | |
e882229c | 2896 | struct timeval now; |
e882229c NR |
2897 | |
2898 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2899 | (*fp)->mouse_moved = 0; |
e882229c NR |
2900 | |
2901 | *bar_window = Qnil; | |
2902 | *part = 0; | |
2903 | ||
80fb2ce0 | 2904 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2905 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2906 | gettimeofday(&now, 0); |
2907 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2908 | } |
2909 | ||
2910 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2911 | ||
2912 | If the event is a button press, then note that we have grabbed | |
2913 | the mouse. */ | |
2914 | ||
2915 | static Lisp_Object | |
2916 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2917 | struct frame *f) | |
2918 | { | |
2919 | struct timeval now; | |
2920 | int i, j; | |
2921 | ||
2922 | result->kind = GPM_CLICK_EVENT; | |
2923 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2924 | { | |
2925 | if (event->buttons & j) { | |
2926 | result->code = i; /* button number */ | |
2927 | break; | |
2928 | } | |
2929 | } | |
2930 | gettimeofday(&now, 0); | |
2931 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2932 | ||
2933 | if (event->type & GPM_UP) | |
2934 | result->modifiers = up_modifier; | |
2935 | else if (event->type & GPM_DOWN) | |
2936 | result->modifiers = down_modifier; | |
2937 | else | |
2938 | result->modifiers = 0; | |
f4d953fc | 2939 | |
e882229c NR |
2940 | if (event->type & GPM_SINGLE) |
2941 | result->modifiers |= click_modifier; | |
f4d953fc | 2942 | |
e882229c NR |
2943 | if (event->type & GPM_DOUBLE) |
2944 | result->modifiers |= double_modifier; | |
2945 | ||
2946 | if (event->type & GPM_TRIPLE) | |
2947 | result->modifiers |= triple_modifier; | |
2948 | ||
2949 | if (event->type & GPM_DRAG) | |
2950 | result->modifiers |= drag_modifier; | |
2951 | ||
80fb2ce0 | 2952 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2953 | |
2954 | /* 1 << KG_SHIFT */ | |
2955 | if (event->modifiers & (1 << 0)) | |
2956 | result->modifiers |= shift_modifier; | |
2957 | ||
2958 | /* 1 << KG_CTRL */ | |
2959 | if (event->modifiers & (1 << 2)) | |
2960 | result->modifiers |= ctrl_modifier; | |
2961 | ||
2962 | /* 1 << KG_ALT || KG_ALTGR */ | |
2963 | if (event->modifiers & (1 << 3) | |
2964 | || event->modifiers & (1 << 1)) | |
2965 | result->modifiers |= meta_modifier; | |
2966 | } | |
2967 | ||
80fb2ce0 NR |
2968 | XSETINT (result->x, event->x); |
2969 | XSETINT (result->y, event->y); | |
e882229c NR |
2970 | XSETFRAME (result->frame_or_window, f); |
2971 | result->arg = Qnil; | |
2972 | return Qnil; | |
2973 | } | |
2974 | ||
f4d953fc | 2975 | int |
7be1c21a | 2976 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2977 | { |
7be1c21a | 2978 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2979 | struct input_event ie; |
2980 | int do_help = 0; | |
2981 | int count = 0; | |
2982 | ||
2983 | EVENT_INIT (ie); | |
2984 | ie.kind = NO_EVENT; | |
2985 | ie.arg = Qnil; | |
2986 | ||
80fb2ce0 | 2987 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2988 | previous_help_echo_string = help_echo_string; |
2989 | help_echo_string = Qnil; | |
2990 | ||
6178ce5e | 2991 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2992 | |
80fb2ce0 NR |
2993 | if (!term_mouse_movement (f, event)) |
2994 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2995 | |
2996 | /* If the contents of the global variable help_echo_string | |
2997 | has changed, generate a HELP_EVENT. */ | |
2998 | if (!NILP (help_echo_string) | |
2999 | || !NILP (previous_help_echo_string)) | |
3000 | do_help = 1; | |
3001 | ||
3002 | goto done; | |
3003 | } | |
3004 | else { | |
3005 | f->mouse_moved = 0; | |
3006 | term_mouse_click (&ie, event, f); | |
e882229c NR |
3007 | } |
3008 | ||
3009 | done: | |
3010 | if (ie.kind != NO_EVENT) | |
3011 | { | |
3012 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
3013 | count++; | |
3014 | } | |
3015 | ||
3016 | if (do_help | |
3017 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
3018 | { | |
3019 | Lisp_Object frame; | |
3020 | ||
3021 | if (f) | |
3022 | XSETFRAME (frame, f); | |
3023 | else | |
3024 | frame = Qnil; | |
3025 | ||
3026 | gen_help_event (help_echo_string, frame, help_echo_window, | |
3027 | help_echo_object, help_echo_pos); | |
3028 | count++; | |
3029 | } | |
3030 | ||
3031 | return count; | |
3032 | } | |
3033 | ||
6178ce5e | 3034 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 3035 | 0, 0, 0, |
71f44e7a | 3036 | doc: /* Open a connection to Gpm. |
6178ce5e | 3037 | Gpm-mouse can only be activated for one tty at a time. */) |
e882229c NR |
3038 | () |
3039 | { | |
71f44e7a SM |
3040 | struct frame *f = SELECTED_FRAME (); |
3041 | struct tty_display_info *tty | |
3042 | = ((f)->output_method == output_termcap | |
3043 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
3044 | Gpm_Connect connection; |
3045 | ||
6178ce5e SM |
3046 | if (!tty) |
3047 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
3048 | if (gpm_tty == tty) |
3049 | return Qnil; /* Already activated, nothing to do. */ | |
3050 | if (gpm_tty) | |
3051 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 3052 | |
e882229c NR |
3053 | connection.eventMask = ~0; |
3054 | connection.defaultMask = ~GPM_HARD; | |
3055 | connection.maxMod = ~0; | |
3056 | connection.minMod = 0; | |
80fb2ce0 | 3057 | gpm_zerobased = 1; |
e882229c NR |
3058 | |
3059 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 3060 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
3061 | else |
3062 | { | |
71f44e7a | 3063 | gpm_tty = tty; |
1023cbed SM |
3064 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
3065 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
3066 | before calling init_sys_modes. */ | |
7be1c21a MB |
3067 | reset_sys_modes (tty); |
3068 | init_sys_modes (tty); | |
e882229c | 3069 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 3070 | return Qnil; |
e882229c NR |
3071 | } |
3072 | } | |
3073 | ||
6178ce5e | 3074 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
3075 | 0, 0, 0, |
3076 | doc: /* Close a connection to Gpm. */) | |
3077 | () | |
3078 | { | |
4ce5ab77 SM |
3079 | struct frame *f = SELECTED_FRAME (); |
3080 | struct tty_display_info *tty | |
3081 | = ((f)->output_method == output_termcap | |
3082 | ? (f)->terminal->display_info.tty : NULL); | |
3083 | ||
3084 | if (!tty || gpm_tty != tty) | |
3085 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 3086 | |
6178ce5e SM |
3087 | if (gpm_fd >= 0) |
3088 | delete_gpm_wait_descriptor (gpm_fd); | |
3089 | while (Gpm_Close()); /* close all the stack */ | |
3090 | gpm_tty = NULL; | |
3091 | return Qnil; | |
e882229c | 3092 | } |
7e5a23bd | 3093 | #endif /* HAVE_GPM */ |
e882229c NR |
3094 | |
3095 | \f | |
a168702a GM |
3096 | /*********************************************************************** |
3097 | Initialization | |
3098 | ***********************************************************************/ | |
3099 | ||
ed8dad6b KL |
3100 | /* Initialize the tty-dependent part of frame F. The frame must |
3101 | already have its device initialized. */ | |
3224dac1 | 3102 | |
dfcf069d | 3103 | void |
ed8dad6b | 3104 | create_tty_output (struct frame *f) |
28d440ab | 3105 | { |
ed8dad6b KL |
3106 | struct tty_output *t; |
3107 | ||
3108 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3109 | abort (); |
3110 | ||
ed8dad6b KL |
3111 | t = xmalloc (sizeof (struct tty_output)); |
3112 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 3113 | |
6ed8eeff | 3114 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3115 | |
ed8dad6b | 3116 | f->output_data.tty = t; |
3224dac1 KL |
3117 | } |
3118 | ||
ed8dad6b | 3119 | /* Delete the tty-dependent part of frame F. */ |
da8e1115 | 3120 | |
ed8dad6b KL |
3121 | static void |
3122 | delete_tty_output (struct frame *f) | |
3224dac1 | 3123 | { |
ed8dad6b | 3124 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3125 | abort (); |
3126 | ||
ed8dad6b | 3127 | xfree (f->output_data.tty); |
28d440ab KL |
3128 | } |
3129 | ||
ed8dad6b | 3130 | \f |
47cc8819 | 3131 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3132 | |
4a665758 KL |
3133 | static void |
3134 | clear_tty_hooks (struct terminal *terminal) | |
3135 | { | |
3136 | terminal->rif = 0; | |
3137 | terminal->cursor_to_hook = 0; | |
3138 | terminal->raw_cursor_to_hook = 0; | |
3139 | terminal->clear_to_end_hook = 0; | |
3140 | terminal->clear_frame_hook = 0; | |
3141 | terminal->clear_end_of_line_hook = 0; | |
3142 | terminal->ins_del_lines_hook = 0; | |
3143 | terminal->insert_glyphs_hook = 0; | |
3144 | terminal->write_glyphs_hook = 0; | |
3145 | terminal->delete_glyphs_hook = 0; | |
3146 | terminal->ring_bell_hook = 0; | |
3147 | terminal->reset_terminal_modes_hook = 0; | |
3148 | terminal->set_terminal_modes_hook = 0; | |
3149 | terminal->update_begin_hook = 0; | |
3150 | terminal->update_end_hook = 0; | |
3151 | terminal->set_terminal_window_hook = 0; | |
3152 | terminal->mouse_position_hook = 0; | |
3153 | terminal->frame_rehighlight_hook = 0; | |
3154 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3155 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3156 | terminal->set_vertical_scroll_bar_hook = 0; |
3157 | terminal->condemn_scroll_bars_hook = 0; | |
3158 | terminal->redeem_scroll_bar_hook = 0; | |
3159 | terminal->judge_scroll_bars_hook = 0; | |
3160 | terminal->read_socket_hook = 0; | |
3161 | terminal->frame_up_to_date_hook = 0; | |
3162 | ||
3163 | /* Leave these two set, or suspended frames are not deleted | |
3164 | correctly. */ | |
3165 | terminal->delete_frame_hook = &delete_tty_output; | |
3166 | terminal->delete_terminal_hook = &delete_tty; | |
3167 | } | |
3168 | ||
47cc8819 DN |
3169 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3170 | ||
4a665758 KL |
3171 | static void |
3172 | set_tty_hooks (struct terminal *terminal) | |
3173 | { | |
3174 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3175 | ||
3176 | terminal->cursor_to_hook = &tty_cursor_to; | |
3177 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3178 | ||
3179 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3180 | terminal->clear_frame_hook = &tty_clear_frame; | |
3181 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3182 | ||
3183 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3184 | ||
3185 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3186 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3187 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3188 | ||
3189 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3190 | |
4a665758 KL |
3191 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3192 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3193 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3194 | terminal->update_end_hook = &tty_update_end; | |
3195 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3196 | ||
3197 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3198 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3199 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3200 | ||
3201 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3202 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3203 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3204 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3205 | ||
3206 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3207 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3208 | |
4a665758 KL |
3209 | terminal->delete_frame_hook = &delete_tty_output; |
3210 | terminal->delete_terminal_hook = &delete_tty; | |
3211 | } | |
3212 | ||
03a1d6bd | 3213 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3214 | static void |
03a1d6bd KL |
3215 | dissociate_if_controlling_tty (int fd) |
3216 | { | |
5d333979 | 3217 | #ifndef WINDOWSNT |
03a1d6bd | 3218 | int pgid; |
8516815b | 3219 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3220 | if (pgid != -1) |
3221 | { | |
8516815b | 3222 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
3223 | setpgrp (); |
3224 | no_controlling_tty = 1; | |
de52dcbb DN |
3225 | #elif defined (CYGWIN) |
3226 | setsid (); | |
3227 | no_controlling_tty = 1; | |
03a1d6bd KL |
3228 | #else |
3229 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3230 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3231 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3232 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3233 | { | |
3234 | no_controlling_tty = 1; | |
3235 | } | |
3236 | if (fd != -1) | |
3237 | emacs_close (fd); | |
3238 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3239 | #else |
8516815b KL |
3240 | /* Unknown system. */ |
3241 | croak (); | |
03a1d6bd KL |
3242 | #endif /* ! TIOCNOTTY */ |
3243 | #endif /* ! USG */ | |
71a96040 | 3244 | } |
78048085 | 3245 | #endif /* !WINDOWSNT */ |
03a1d6bd KL |
3246 | } |
3247 | ||
520c4dfd KL |
3248 | static void maybe_fatal(); |
3249 | ||
3224dac1 KL |
3250 | /* Create a termcap display on the tty device with the given name and |
3251 | type. | |
3252 | ||
ab797f65 | 3253 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3254 | Otherwise NAME should be a path to the tty device file, |
3255 | e.g. "/dev/pts/7". | |
28d440ab | 3256 | |
3224dac1 KL |
3257 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3258 | ||
3259 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3260 | |
6ed8eeff | 3261 | struct terminal * |
a4c6993d | 3262 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3263 | { |
59b3194c | 3264 | char *area = NULL; |
08a24c47 | 3265 | char **address = &area; |
6b61353c KH |
3266 | char *buffer = NULL; |
3267 | int buffer_size = 4096; | |
59b3194c | 3268 | register char *p = NULL; |
08a24c47 | 3269 | int status; |
59b3194c KL |
3270 | struct tty_display_info *tty = NULL; |
3271 | struct terminal *terminal = NULL; | |
3272 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3273 | |
3224dac1 KL |
3274 | if (!terminal_type) |
3275 | maybe_fatal (must_succeed, 0, 0, | |
3276 | "Unknown terminal type", | |
3277 | "Unknown terminal type"); | |
b6660415 | 3278 | |
ab797f65 | 3279 | if (name == NULL) |
78048085 EZ |
3280 | name = DEV_TTY; |
3281 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3282 | ctty = 1; |
3283 | ||
6ed8eeff KL |
3284 | /* If we already have a terminal on the given device, use that. If |
3285 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3286 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3287 | always create a new terminal and separating terminal and frame |
b6660415 | 3288 | creation on Lisp level. */ |
6ed8eeff KL |
3289 | terminal = get_named_tty (name); |
3290 | if (terminal) | |
3291 | return terminal; | |
78048085 | 3292 | |
6ed8eeff | 3293 | terminal = create_terminal (); |
3224dac1 KL |
3294 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
3295 | bzero (tty, sizeof (struct tty_display_info)); | |
3296 | tty->next = tty_list; | |
3297 | tty_list = tty; | |
428a555e | 3298 | |
6ed8eeff KL |
3299 | terminal->type = output_termcap; |
3300 | terminal->display_info.tty = tty; | |
3301 | tty->terminal = terminal; | |
28d440ab | 3302 | |
7b00d185 KL |
3303 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3304 | Wcm_clear (tty); | |
daf01701 | 3305 | |
55d5acfa | 3306 | #ifndef WINDOWSNT |
4a665758 | 3307 | set_tty_hooks (terminal); |
78048085 | 3308 | |
59b3194c KL |
3309 | { |
3310 | int fd; | |
3311 | FILE *file; | |
0c72d684 KL |
3312 | |
3313 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3314 | if (!ctty) |
0c72d684 KL |
3315 | /* Open the terminal device. Don't recognize it as our |
3316 | controlling terminal, and don't make it the controlling tty | |
3317 | if we don't have one at the moment. */ | |
3318 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3319 | else |
0c72d684 | 3320 | #else |
2666355c | 3321 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3322 | defined on Hurd. On other systems, we need to explicitly |
3323 | dissociate ourselves from the controlling tty when we want to | |
3324 | open a frame on the same terminal. */ | |
0c72d684 | 3325 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3326 | #endif /* O_IGNORE_CTTY */ |
3327 | ||
59b3194c KL |
3328 | if (fd < 0) |
3329 | maybe_fatal (must_succeed, buffer, terminal, | |
3330 | "Could not open file: %s", | |
3331 | "Could not open file: %s", | |
3332 | name); | |
3333 | if (!isatty (fd)) | |
3334 | { | |
3335 | close (fd); | |
3336 | maybe_fatal (must_succeed, buffer, terminal, | |
3337 | "Not a tty device: %s", | |
3338 | "Not a tty device: %s", | |
3339 | name); | |
3340 | } | |
0c72d684 | 3341 | |
59b3194c KL |
3342 | #ifndef O_IGNORE_CTTY |
3343 | if (!ctty) | |
03a1d6bd | 3344 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3345 | #endif |
3346 | ||
3347 | file = fdopen (fd, "w+"); | |
3348 | tty->name = xstrdup (name); | |
3349 | terminal->name = xstrdup (name); | |
3350 | tty->input = file; | |
3351 | tty->output = file; | |
3352 | } | |
78048085 | 3353 | |
28d7d09f | 3354 | tty->type = xstrdup (terminal_type); |
28d440ab | 3355 | |
819b8f00 | 3356 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 3357 | |
55d5acfa | 3358 | #endif |
08a24c47 | 3359 | |
288d5132 KH |
3360 | encode_terminal_src_size = 0; |
3361 | encode_terminal_dst_size = 0; | |
af645abf | 3362 | |
7e5a23bd | 3363 | #ifdef HAVE_GPM |
88acaaf2 | 3364 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3365 | mouse_face_window = Qnil; |
e882229c NR |
3366 | #endif |
3367 | ||
cb28b9c2 | 3368 | #ifdef WINDOWSNT |
953bf0dc | 3369 | initialize_w32_display (terminal); |
a0236551 JR |
3370 | /* The following two are inaccessible from w32console.c. */ |
3371 | terminal->delete_frame_hook = &delete_tty_output; | |
3372 | terminal->delete_terminal_hook = &delete_tty; | |
cb28b9c2 | 3373 | |
78048085 EZ |
3374 | tty->name = xstrdup (name); |
3375 | terminal->name = xstrdup (name); | |
3376 | tty->type = xstrdup (terminal_type); | |
cb28b9c2 | 3377 | |
55d5acfa | 3378 | tty->output = stdout; |
a0236551 JR |
3379 | tty->input = stdin; |
3380 | add_keyboard_wait_descriptor (0); | |
cb28b9c2 | 3381 | |
a0236551 | 3382 | Wcm_clear (tty); |
cb28b9c2 | 3383 | |
5d333979 JR |
3384 | { |
3385 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3386 | |
a0236551 JR |
3387 | FrameRows (tty) = FRAME_LINES (f); |
3388 | FrameCols (tty) = FRAME_COLS (f); | |
3389 | tty->specified_window = FRAME_LINES (f); | |
cb28b9c2 | 3390 | |
a0236551 JR |
3391 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3392 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 JR |
3393 | } |
3394 | tty->delete_in_insert_mode = 1; | |
cb28b9c2 | 3395 | |
daf01701 | 3396 | UseTabs (tty) = 0; |
6ed8eeff | 3397 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3398 | |
7e59217d | 3399 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3400 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3401 | don't think we're losing anything by turning it off. */ |
6ed8eeff KL |
3402 | terminal->line_ins_del_ok = 0; |
3403 | terminal->char_ins_del_ok = 1; | |
cb28b9c2 RS |
3404 | |
3405 | baud_rate = 19200; | |
3406 | ||
5d333979 | 3407 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3408 | |
eccec691 | 3409 | #else /* not WINDOWSNT */ |
cb28b9c2 | 3410 | |
6548cf00 | 3411 | Wcm_clear (tty); |
08a24c47 | 3412 | |
6b61353c | 3413 | buffer = (char *) xmalloc (buffer_size); |
78048085 | 3414 | |
03a1d6bd KL |
3415 | /* On some systems, tgetent tries to access the controlling |
3416 | terminal. */ | |
3417 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 3418 | status = tgetent (buffer, terminal_type); |
03a1d6bd | 3419 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3420 | |
08a24c47 | 3421 | if (status < 0) |
b0347178 KH |
3422 | { |
3423 | #ifdef TERMINFO | |
6ed8eeff | 3424 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3425 | "Cannot open terminfo database file", |
3426 | "Cannot open terminfo database file"); | |
b0347178 | 3427 | #else |
6ed8eeff | 3428 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3429 | "Cannot open termcap database file", |
3430 | "Cannot open termcap database file"); | |
b0347178 KH |
3431 | #endif |
3432 | } | |
08a24c47 | 3433 | if (status == 0) |
b0347178 KH |
3434 | { |
3435 | #ifdef TERMINFO | |
6ed8eeff | 3436 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3437 | "Terminal type %s is not defined", |
3438 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3439 | If that is not the actual type of terminal you have,\n\ |
3440 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3441 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3442 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 3443 | terminal_type); |
b0347178 | 3444 | #else |
6ed8eeff | 3445 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3446 | "Terminal type %s is not defined", |
3447 | "Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
3448 | If that is not the actual type of terminal you have,\n\ |
3449 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3450 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3451 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 3452 | terminal_type); |
b0347178 KH |
3453 | #endif |
3454 | } | |
6b61353c KH |
3455 | |
3456 | #ifndef TERMINFO | |
3457 | if (strlen (buffer) >= buffer_size) | |
08a24c47 | 3458 | abort (); |
6b61353c KH |
3459 | buffer_size = strlen (buffer); |
3460 | #endif | |
3461 | area = (char *) xmalloc (buffer_size); | |
08a24c47 | 3462 | |
fca177d4 KL |
3463 | tty->TS_ins_line = tgetstr ("al", address); |
3464 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3465 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3466 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3467 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3468 | tty->TS_clr_line = tgetstr ("ce", address); | |
3469 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3470 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3471 | AbsPosition (tty) = tgetstr ("cm", address); | |
3472 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3473 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3474 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3475 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3476 | tty->TS_del_char = tgetstr ("dc", address); |
3477 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3478 | tty->TS_del_line = tgetstr ("dl", address); | |
3479 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3480 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3481 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3482 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3483 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3484 | tty->TS_ins_char = tgetstr ("ic", address); |
3485 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3486 | tty->TS_insert_mode = tgetstr ("im", address); | |
3487 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3488 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3489 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3490 | LastLine (tty) = tgetstr ("ll", address); |
3491 | Right (tty) = tgetstr ("nd", address); | |
3492 | Down (tty) = tgetstr ("do", address); | |
3493 | if (!Down (tty)) | |
3494 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
3495 | #ifdef VMS |
3496 | /* VMS puts a carriage return before each linefeed, | |
3497 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
3498 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
3499 | Down (tty) = 0; | |
08a24c47 JB |
3500 | #endif /* VMS */ |
3501 | if (tgetflag ("bs")) | |
6548cf00 | 3502 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3503 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3504 | Left (tty) = tgetstr ("le", address); |
3505 | if (!Left (tty)) | |
3506 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3507 | tty->TS_pad_char = tgetstr ("pc", address); |
3508 | tty->TS_repeat = tgetstr ("rp", address); | |
3509 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3510 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3511 | tty->TS_standout_mode = tgetstr ("so", address); | |
3512 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3513 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3514 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3515 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3516 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3517 | tty->TS_visible_bell = tgetstr ("vb", address); |
3518 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3519 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3520 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3521 | tty->TS_set_window = tgetstr ("wi", address); | |
3522 | ||
3523 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3524 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3525 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3526 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3527 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3528 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3529 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3530 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3531 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3532 | |
6548cf00 KL |
3533 | MultiUp (tty) = tgetstr ("UP", address); |
3534 | MultiDown (tty) = tgetstr ("DO", address); | |
3535 | MultiLeft (tty) = tgetstr ("LE", address); | |
3536 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3537 | |
e7f90eab GM |
3538 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3539 | color because we can't switch back to the default foreground and | |
3540 | background. */ | |
fca177d4 KL |
3541 | tty->TS_orig_pair = tgetstr ("op", address); |
3542 | if (tty->TS_orig_pair) | |
a168702a | 3543 | { |
fca177d4 KL |
3544 | tty->TS_set_foreground = tgetstr ("AF", address); |
3545 | tty->TS_set_background = tgetstr ("AB", address); | |
3546 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3547 | { |
3548 | /* SVr4. */ | |
fca177d4 KL |
3549 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3550 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3551 | } |
177c0ea7 | 3552 | |
fca177d4 KL |
3553 | tty->TN_max_colors = tgetnum ("Co"); |
3554 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3555 | |
fca177d4 KL |
3556 | tty->TN_no_color_video = tgetnum ("NC"); |
3557 | if (tty->TN_no_color_video == -1) | |
3558 | tty->TN_no_color_video = 0; | |
a168702a | 3559 | } |
a168702a | 3560 | |
fca177d4 | 3561 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3562 | |
6548cf00 | 3563 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3564 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3565 | the former flag imply the latter. */ | |
6548cf00 | 3566 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3567 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3568 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3569 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3570 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3571 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3572 | tty->TF_standout_motion = tgetflag ("ms"); | |
3573 | tty->TF_underscore = tgetflag ("ul"); | |
3574 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3575 | |
953bf0dc | 3576 | #endif /* !WINDOWSNT */ |
e7cf0fa0 | 3577 | #ifdef MULTI_KBOARD |
6ed8eeff KL |
3578 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3579 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3580 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3581 | terminal->kboard->next_kboard = all_kboards; |
3582 | all_kboards = terminal->kboard; | |
3583 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3584 | /* Don't let the initial kboard remain current longer than necessary. |
3585 | That would cause problems if a file loaded on startup tries to | |
3586 | prompt in the mini-buffer. */ | |
3587 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3588 | current_kboard = terminal->kboard; |
953bf0dc | 3589 | #ifndef WINDOWSNT |
6ed8eeff | 3590 | term_get_fkeys (address, terminal->kboard); |
80ca7302 | 3591 | #endif |
953bf0dc | 3592 | #endif |
5c2c7893 | 3593 | |
953bf0dc | 3594 | #ifndef WINDOWSNT |
ff11dfa1 | 3595 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3596 | { |
3597 | int height, width; | |
0b0d3e0b | 3598 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3599 | FrameCols (tty) = width; |
3600 | FrameRows (tty) = height; | |
3b12ce12 RS |
3601 | } |
3602 | ||
0a125897 KL |
3603 | if (FrameCols (tty) <= 0) |
3604 | FrameCols (tty) = tgetnum ("co"); | |
3605 | if (FrameRows (tty) <= 0) | |
3606 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3607 | |
0a125897 | 3608 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
6ed8eeff | 3609 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
3610 | "Screen size %dx%d is too small" |
3611 | "Screen size %dx%d is too small", | |
0a125897 | 3612 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3613 | |
8a56675d | 3614 | #if 0 /* This is not used anywhere. */ |
6ed8eeff | 3615 | tty->terminal->min_padding_speed = tgetnum ("pb"); |
8a56675d | 3616 | #endif |
28d440ab | 3617 | |
6548cf00 | 3618 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
3619 | |
3620 | #ifdef VMS | |
3621 | /* These capabilities commonly use ^J. | |
3622 | I don't know why, but sending them on VMS does not work; | |
3623 | it causes following spaces to be lost, sometimes. | |
3624 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
3625 | if (Down (tty) && Down (tty)[0] == '\n') |
3626 | Down (tty) = 0; | |
08a24c47 JB |
3627 | #endif /* VMS */ |
3628 | ||
fca177d4 KL |
3629 | if (!tty->TS_bell) |
3630 | tty->TS_bell = "\07"; | |
08a24c47 | 3631 | |
fca177d4 KL |
3632 | if (!tty->TS_fwd_scroll) |
3633 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3634 | |
fca177d4 | 3635 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3636 | |
6548cf00 KL |
3637 | if (TabWidth (tty) < 0) |
3638 | TabWidth (tty) = 8; | |
177c0ea7 | 3639 | |
08a24c47 JB |
3640 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3641 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3642 | if (!tty->Wcm->cm_tab) |
3643 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3644 | */ |
3645 | ||
54800acb MB |
3646 | /* We don't support standout modes that use `magic cookies', so |
3647 | turn off any that do. */ | |
fca177d4 | 3648 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3649 | { |
fca177d4 KL |
3650 | tty->TS_standout_mode = 0; |
3651 | tty->TS_end_standout_mode = 0; | |
54800acb | 3652 | } |
fca177d4 | 3653 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3654 | { |
fca177d4 KL |
3655 | tty->TS_enter_underline_mode = 0; |
3656 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3657 | } |
3658 | ||
3659 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3660 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3661 | { |
fca177d4 KL |
3662 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3663 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3664 | } |
3665 | ||
afd359c4 RS |
3666 | /* If no `se' string, try using a `me' string instead. |
3667 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3668 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3669 | { |
e4bfb3b6 | 3670 | char *s = tgetstr ("me", address); |
afd359c4 | 3671 | if (s != 0) |
fca177d4 | 3672 | tty->TS_end_standout_mode = s; |
afd359c4 | 3673 | else |
fca177d4 | 3674 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3675 | } |
3676 | ||
fca177d4 | 3677 | if (tty->TF_teleray) |
08a24c47 | 3678 | { |
6548cf00 | 3679 | tty->Wcm->cm_tab = 0; |
54800acb | 3680 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3681 | tty->TS_standout_mode = 0; |
08a24c47 | 3682 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3683 | CR (tty) = 0; |
08a24c47 JB |
3684 | /* LF can't be trusted either -- can alter hpos */ |
3685 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3686 | Down (tty) = 0; |
08a24c47 JB |
3687 | } |
3688 | ||
3689 | /* Special handling for certain terminal types known to need it */ | |
3690 | ||
3691 | if (!strcmp (terminal_type, "supdup")) | |
3692 | { | |
6ed8eeff | 3693 | terminal->memory_below_frame = 1; |
6548cf00 | 3694 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3695 | } |
3696 | if (!strncmp (terminal_type, "c10", 3) | |
3697 | || !strcmp (terminal_type, "perq")) | |
3698 | { | |
3699 | /* Supply a makeshift :wi string. | |
3700 | This string is not valid in general since it works only | |
3701 | for windows starting at the upper left corner; | |
3702 | but that is all Emacs uses. | |
3703 | ||
ff11dfa1 | 3704 | This string works only if the frame is using |
08a24c47 JB |
3705 | the top of the video memory, because addressing is memory-relative. |
3706 | So first check the :ti string to see if that is true. | |
3707 | ||
3708 | It would be simpler if the :wi string could go in the termcap | |
3709 | entry, but it can't because it is not fully valid. | |
3710 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3711 | if (!tty->TS_set_window) |
08a24c47 | 3712 | { |
fca177d4 | 3713 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3714 | while (*p && strcmp (p, "\033v ")) |
3715 | p++; | |
3716 | if (*p) | |
fca177d4 | 3717 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3718 | } |
3719 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3720 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3721 | /* :ti string typically fails to have \E^G! in it */ |
3722 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3723 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3724 | strcat (area, "\033\007!"); |
fca177d4 | 3725 | tty->TS_termcap_modes = area; |
08a24c47 | 3726 | area += strlen (area) + 1; |
6548cf00 | 3727 | p = AbsPosition (tty); |
08a24c47 | 3728 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3729 | values above 96 correctly for the C100. */ |
08a24c47 | 3730 | while (*p) |
28d440ab KL |
3731 | { |
3732 | if (p[0] == '%' && p[1] == '+') | |
3733 | p[1] = 'C'; | |
3734 | p++; | |
3735 | } | |
08a24c47 JB |
3736 | } |
3737 | ||
0a125897 | 3738 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3739 | |
6548cf00 | 3740 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3741 | { |
6ed8eeff | 3742 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 | 3743 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
08a24c47 | 3744 | #ifdef VMS |
3224dac1 | 3745 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3746 | It lacks the ability to position the cursor.\n\ |
3747 | If that is not the actual type of terminal you have, use either the\n\ | |
3748 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 3749 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
3750 | #else /* not VMS */ |
3751 | # ifdef TERMINFO | |
3224dac1 | 3752 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3753 | It lacks the ability to position the cursor.\n\ |
3754 | If that is not the actual type of terminal you have,\n\ | |
3755 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3756 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3757 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 3758 | # else /* TERMCAP */ |
3224dac1 | 3759 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3760 | It lacks the ability to position the cursor.\n\ |
3761 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
3762 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3763 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3764 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
3765 | # endif /* TERMINFO */ |
3766 | #endif /*VMS */ | |
3224dac1 | 3767 | terminal_type); |
fca177d4 | 3768 | } |
daf01701 | 3769 | |
0a125897 | 3770 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
6ed8eeff | 3771 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
3772 | "Could not determine the frame size", |
3773 | "Could not determine the frame size"); | |
08a24c47 | 3774 | |
fca177d4 KL |
3775 | tty->delete_in_insert_mode |
3776 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3777 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3778 | |
fca177d4 KL |
3779 | tty->se_is_so = (tty->TS_standout_mode |
3780 | && tty->TS_end_standout_mode | |
3781 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3782 | |
0b0d3e0b | 3783 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3784 | |
6ed8eeff | 3785 | terminal->scroll_region_ok |
6548cf00 | 3786 | = (tty->Wcm->cm_abs |
fca177d4 | 3787 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3788 | |
6ed8eeff | 3789 | terminal->line_ins_del_ok |
fca177d4 KL |
3790 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3791 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3792 | || (terminal->scroll_region_ok |
fca177d4 | 3793 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3794 | |
6ed8eeff | 3795 | terminal->char_ins_del_ok |
fca177d4 KL |
3796 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3797 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3798 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3799 | |
6ed8eeff | 3800 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3801 | |
0b0d3e0b | 3802 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3803 | |
0a125897 KL |
3804 | /* Don't do this. I think termcap may still need the buffer. */ |
3805 | /* xfree (buffer); */ | |
28d440ab | 3806 | |
635e3b29 JR |
3807 | #endif /* not WINDOWSNT */ |
3808 | ||
0a125897 KL |
3809 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3810 | init_sys_modes (tty); | |
daf01701 | 3811 | |
6ed8eeff | 3812 | return terminal; |
08a24c47 JB |
3813 | } |
3814 | ||
a4c6993d | 3815 | /* Auxiliary error-handling function for init_tty. |
6ed8eeff | 3816 | Free BUFFER and delete TERMINAL, then call error or fatal |
da8e1115 | 3817 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
6b61353c | 3818 | |
3224dac1 | 3819 | static void |
6ed8eeff | 3820 | maybe_fatal (must_succeed, buffer, terminal, str1, str2, arg1, arg2) |
3224dac1 KL |
3821 | int must_succeed; |
3822 | char *buffer; | |
6ed8eeff | 3823 | struct terminal *terminal; |
3224dac1 KL |
3824 | char *str1, *str2, *arg1, *arg2; |
3825 | { | |
70fdbb46 | 3826 | xfree (buffer); |
3224dac1 | 3827 | |
6ed8eeff KL |
3828 | if (terminal) |
3829 | delete_tty (terminal); | |
f4d953fc | 3830 | |
3224dac1 KL |
3831 | if (must_succeed) |
3832 | fatal (str2, arg1, arg2); | |
3833 | else | |
3834 | error (str1, arg1, arg2); | |
3835 | ||
3836 | abort (); | |
08a24c47 JB |
3837 | } |
3838 | ||
dfcf069d | 3839 | void |
7c401d15 | 3840 | fatal (const char *str, ...) |
08a24c47 | 3841 | { |
7c401d15 DN |
3842 | va_list ap; |
3843 | va_start (ap, str); | |
08a24c47 | 3844 | fprintf (stderr, "emacs: "); |
7c401d15 DN |
3845 | vfprintf (stderr, str, ap); |
3846 | va_end (ap); | |
08a24c47 JB |
3847 | fflush (stderr); |
3848 | exit (1); | |
3849 | } | |
07c57952 | 3850 | |
819b8f00 KL |
3851 | \f |
3852 | ||
6ed8eeff | 3853 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3854 | |
ed8dad6b | 3855 | static void |
6ed8eeff | 3856 | delete_tty (struct terminal *terminal) |
072d84a6 | 3857 | { |
428a555e | 3858 | struct tty_display_info *tty; |
fca177d4 | 3859 | Lisp_Object tail, frame; |
6ed8eeff | 3860 | int last_terminal; |
f4d953fc | 3861 | |
ab797f65 KL |
3862 | /* Protect against recursive calls. Fdelete_frame in |
3863 | delete_terminal calls us back when it deletes our last frame. */ | |
59a7bc63 | 3864 | if (!terminal->name) |
0a125897 | 3865 | return; |
fca177d4 | 3866 | |
6ed8eeff | 3867 | if (terminal->type != output_termcap) |
428a555e KL |
3868 | abort (); |
3869 | ||
6ed8eeff | 3870 | tty = terminal->display_info.tty; |
f4d953fc | 3871 | |
6ed8eeff | 3872 | last_terminal = 1; |
81be1a93 KL |
3873 | FOR_EACH_FRAME (tail, frame) |
3874 | { | |
3875 | struct frame *f = XFRAME (frame); | |
3876 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
3877 | { | |
6ed8eeff | 3878 | last_terminal = 0; |
81be1a93 KL |
3879 | break; |
3880 | } | |
3881 | } | |
6ed8eeff KL |
3882 | if (last_terminal) |
3883 | error ("Attempt to delete the sole terminal device with live frames"); | |
f4d953fc | 3884 | |
fca177d4 KL |
3885 | if (tty == tty_list) |
3886 | tty_list = tty->next; | |
3887 | else | |
3888 | { | |
28d7d09f | 3889 | struct tty_display_info *p; |
fca177d4 KL |
3890 | for (p = tty_list; p && p->next != tty; p = p->next) |
3891 | ; | |
3892 | ||
3893 | if (! p) | |
3894 | /* This should not happen. */ | |
3895 | abort (); | |
3896 | ||
0a125897 KL |
3897 | p->next = tty->next; |
3898 | tty->next = 0; | |
fca177d4 KL |
3899 | } |
3900 | ||
7e59217d | 3901 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3902 | before delete_terminal. */ |
04c3243c | 3903 | reset_sys_modes (tty); |
fca177d4 | 3904 | |
6ed8eeff | 3905 | delete_terminal (terminal); |
3224dac1 | 3906 | |
70fdbb46 JM |
3907 | xfree (tty->name); |
3908 | xfree (tty->type); | |
daf01701 | 3909 | |
fca177d4 | 3910 | if (tty->input) |
819b8f00 KL |
3911 | { |
3912 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3913 | if (tty->input != stdin) | |
3914 | fclose (tty->input); | |
3915 | } | |
3916 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3917 | fclose (tty->output); |
3918 | if (tty->termscript) | |
3919 | fclose (tty->termscript); | |
daf01701 | 3920 | |
70fdbb46 JM |
3921 | xfree (tty->old_tty); |
3922 | xfree (tty->Wcm); | |
daf01701 | 3923 | |
28d7d09f | 3924 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3925 | xfree (tty); |
fca177d4 KL |
3926 | } |
3927 | ||
428a555e KL |
3928 | \f |
3929 | ||
28d7d09f | 3930 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3931 | Called by the Fgarbage_collector. */ |
da8e1115 | 3932 | |
fca177d4 | 3933 | void |
ed8dad6b | 3934 | mark_ttys (void) |
fca177d4 | 3935 | { |
28d7d09f | 3936 | struct tty_display_info *tty; |
0c72d684 | 3937 | |
819b8f00 | 3938 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3939 | mark_object (tty->top_frame); |
072d84a6 RS |
3940 | } |
3941 | ||
428a555e KL |
3942 | \f |
3943 | ||
dfcf069d | 3944 | void |
07c57952 KH |
3945 | syms_of_term () |
3946 | { | |
7ee72033 MB |
3947 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
3948 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 3949 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3950 | #ifdef TERMINFO |
3951 | system_uses_terminfo = 1; | |
3952 | #else | |
3953 | system_uses_terminfo = 0; | |
3954 | #endif | |
c291d9ef | 3955 | |
e4019195 DN |
3956 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3957 | doc: /* Functions to be run after suspending a tty. | |
ab797f65 | 3958 | The functions are run with one argument, the terminal id to be suspended. |
0b0d3e0b | 3959 | See `suspend-tty'. */); |
e4019195 | 3960 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3961 | |
3962 | ||
e4019195 DN |
3963 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
3964 | doc: /* Functions to be run after resuming a tty. | |
ab797f65 | 3965 | The functions are run with one argument, the terminal id that was revived. |
0b0d3e0b | 3966 | See `resume-tty'. */); |
e4019195 | 3967 | Vresume_tty_functions = Qnil; |
a168702a | 3968 | |
0db017c0 SM |
3969 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
3970 | doc: /* Non-nil means to make the cursor very visible. | |
3971 | This only has an effect when running in a text terminal. | |
3972 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3973 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3974 | visible_cursor = 1; | |
3975 | ||
a168702a | 3976 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3977 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3978 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3979 | defsubr (&Stty_type); |
3980 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3981 | defsubr (&Ssuspend_tty); |
3982 | defsubr (&Sresume_tty); | |
7e5a23bd | 3983 | #ifdef HAVE_GPM |
6178ce5e SM |
3984 | defsubr (&Sgpm_mouse_start); |
3985 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 3986 | |
6178ce5e | 3987 | staticpro (&mouse_face_window); |
7e5a23bd | 3988 | #endif /* HAVE_GPM */ |
07c57952 | 3989 | } |
a168702a | 3990 | |
819b8f00 KL |
3991 | |
3992 | ||
6b61353c KH |
3993 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3994 | (do not change this comment) */ |