Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
76b6f707 | 3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
8cabe764 | 4 | Free Software Foundation, Inc. |
08a24c47 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
08a24c47 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 20 | |
d284f58f | 21 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 22 | |
565620a5 | 23 | #include <config.h> |
08a24c47 JB |
24 | #include <stdio.h> |
25 | #include <ctype.h> | |
a168702a | 26 | #include <string.h> |
59b3194c | 27 | #include <errno.h> |
28d440ab | 28 | #include <sys/file.h> |
7eb1e453 | 29 | |
d8b18043 | 30 | #ifdef HAVE_UNISTD_H |
1ec5dc77 | 31 | #include <unistd.h> |
d8b18043 | 32 | #endif |
7ee72033 | 33 | |
67ad74df KL |
34 | #if HAVE_TERMIOS_H |
35 | #include <termios.h> /* For TIOCNOTTY. */ | |
36 | #endif | |
03a1d6bd KL |
37 | |
38 | #include <signal.h> | |
7c401d15 | 39 | #include <stdarg.h> |
0c72d684 | 40 | |
9628b887 | 41 | #include "lisp.h" |
08a24c47 JB |
42 | #include "termchar.h" |
43 | #include "termopts.h" | |
9332ea03 KH |
44 | #include "buffer.h" |
45 | #include "character.h" | |
a4decb7f KH |
46 | #include "charset.h" |
47 | #include "coding.h" | |
4c12d738 | 48 | #include "composite.h" |
2538fae4 | 49 | #include "keyboard.h" |
ff11dfa1 | 50 | #include "frame.h" |
08a24c47 JB |
51 | #include "disptab.h" |
52 | #include "termhooks.h" | |
dfcf069d | 53 | #include "dispextern.h" |
a168702a | 54 | #include "window.h" |
8feddab4 | 55 | #include "keymap.h" |
1a935bfd | 56 | #include "blockinput.h" |
03a1d6bd KL |
57 | #include "syssignal.h" |
58 | #include "systty.h" | |
c9612b8e | 59 | #include "intervals.h" |
84704c5c EZ |
60 | #ifdef MSDOS |
61 | #include "msdos.h" | |
62 | static int been_here = -1; | |
63 | #endif | |
a168702a | 64 | |
ff23e1dd GM |
65 | /* For now, don't try to include termcap.h. On some systems, |
66 | configure finds a non-standard termcap.h that the main build | |
67 | won't find. */ | |
68 | ||
69 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 70 | #include <termcap.h> |
46d1b2bc DL |
71 | #else |
72 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
73 | extern int tgetent P_ ((char *, const char *)); | |
74 | extern int tgetflag P_ ((char *id)); | |
75 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
76 | #endif |
77 | ||
eccec691 | 78 | #include "cm.h" |
dfcf069d AS |
79 | #ifdef HAVE_X_WINDOWS |
80 | #include "xterm.h" | |
81 | #endif | |
c8951b18 | 82 | |
28d440ab KL |
83 | #ifndef O_RDWR |
84 | #define O_RDWR 2 | |
85 | #endif | |
6b61353c | 86 | |
0c72d684 KL |
87 | #ifndef O_NOCTTY |
88 | #define O_NOCTTY 0 | |
89 | #endif | |
6b61353c | 90 | |
78048085 EZ |
91 | /* The name of the default console device. */ |
92 | #ifdef WINDOWSNT | |
93 | #define DEV_TTY "CONOUT$" | |
94 | #else | |
95 | #define DEV_TTY "/dev/tty" | |
96 | #endif | |
a168702a | 97 | |
ed8dad6b | 98 | static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop)); |
a168702a GM |
99 | static void turn_on_face P_ ((struct frame *, int face_id)); |
100 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
101 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
102 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
ed8dad6b | 103 | static void tty_background_highlight P_ ((struct tty_display_info *tty)); |
4a665758 KL |
104 | static void clear_tty_hooks P_ ((struct terminal *terminal)); |
105 | static void set_tty_hooks P_ ((struct terminal *terminal)); | |
ed8dad6b | 106 | static void dissociate_if_controlling_tty P_ ((int fd)); |
6ed8eeff | 107 | static void delete_tty P_ ((struct terminal *)); |
a168702a | 108 | |
6548cf00 KL |
109 | #define OUTPUT(tty, a) \ |
110 | emacs_tputs ((tty), a, \ | |
111 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
112 | - curY (tty)), \ | |
113 | cmputc) | |
114 | ||
28d440ab KL |
115 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
116 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 117 | |
28d440ab | 118 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
119 | do { \ |
120 | if (a) \ | |
121 | emacs_tputs ((tty), a, \ | |
122 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
123 | - curY (tty) ), \ | |
124 | cmputc); \ | |
125 | } while (0) | |
177c0ea7 | 126 | |
28d440ab | 127 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 128 | |
0db017c0 SM |
129 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
130 | ||
131 | static int visible_cursor; | |
132 | ||
f46c2aff | 133 | /* Display space properties */ |
08a24c47 | 134 | |
f46c2aff | 135 | extern Lisp_Object Qspace, QCalign_to, QCwidth; |
08a24c47 | 136 | |
0b0d3e0b | 137 | /* Functions to call after suspending a tty. */ |
e4019195 | 138 | Lisp_Object Vsuspend_tty_functions; |
08a24c47 | 139 | |
0b0d3e0b | 140 | /* Functions to call after resuming a tty. */ |
e4019195 | 141 | Lisp_Object Vresume_tty_functions; |
08a24c47 | 142 | |
428a555e | 143 | /* Chain of all tty device parameters. */ |
28d7d09f | 144 | struct tty_display_info *tty_list; |
08a24c47 | 145 | |
fca177d4 KL |
146 | /* Nonzero means no need to redraw the entire frame on resuming a |
147 | suspended Emacs. This is useful on terminals with multiple | |
148 | pages, where one page is used for Emacs and another for all | |
149 | else. */ | |
08a24c47 | 150 | int no_redraw_on_reenter; |
4e6ba4a4 GM |
151 | |
152 | /* Meaning of bits in no_color_video. Each bit set means that the | |
153 | corresponding attribute cannot be combined with colors. */ | |
154 | ||
155 | enum no_color_bit | |
156 | { | |
157 | NC_STANDOUT = 1 << 0, | |
158 | NC_UNDERLINE = 1 << 1, | |
159 | NC_REVERSE = 1 << 2, | |
160 | NC_BLINK = 1 << 3, | |
161 | NC_DIM = 1 << 4, | |
162 | NC_BOLD = 1 << 5, | |
163 | NC_INVIS = 1 << 6, | |
164 | NC_PROTECT = 1 << 7, | |
165 | NC_ALT_CHARSET = 1 << 8 | |
166 | }; | |
167 | ||
08a24c47 JB |
168 | /* internal state */ |
169 | ||
8dd0c7cb | 170 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 171 | |
9882535b | 172 | int max_frame_cols; |
a168702a | 173 | |
8dd0c7cb | 174 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 175 | |
9882535b | 176 | int max_frame_lines; |
8dd0c7cb | 177 | |
0c72d684 KL |
178 | /* Non-zero if we have dropped our controlling tty and therefore |
179 | should not open a frame on stdout. */ | |
180 | static int no_controlling_tty; | |
08a24c47 | 181 | |
07c57952 | 182 | /* Provided for lisp packages. */ |
a168702a | 183 | |
07c57952 KH |
184 | static int system_uses_terminfo; |
185 | ||
08a24c47 | 186 | char *tparam (); |
e4bfb3b6 RS |
187 | |
188 | extern char *tgetstr (); | |
08a24c47 | 189 | \f |
cb28b9c2 | 190 | |
7e5a23bd | 191 | #ifdef HAVE_GPM |
e882229c | 192 | #include <sys/fcntl.h> |
e882229c | 193 | |
b870aa61 SM |
194 | static void term_clear_mouse_face (); |
195 | static void term_mouse_highlight (struct frame *f, int x, int y); | |
196 | ||
71f44e7a SM |
197 | /* The device for which we have enabled gpm support (or NULL). */ |
198 | struct tty_display_info *gpm_tty = NULL; | |
e882229c NR |
199 | |
200 | /* These variables describe the range of text currently shown in its | |
201 | mouse-face, together with the window they apply to. As long as | |
202 | the mouse stays within this range, we need not redraw anything on | |
203 | its account. Rows and columns are glyph matrix positions in | |
204 | MOUSE_FACE_WINDOW. */ | |
205 | static int mouse_face_beg_row, mouse_face_beg_col; | |
206 | static int mouse_face_end_row, mouse_face_end_col; | |
207 | static int mouse_face_past_end; | |
6178ce5e | 208 | static Lisp_Object mouse_face_window; |
e882229c NR |
209 | static int mouse_face_face_id; |
210 | ||
e882229c NR |
211 | static int pos_x, pos_y; |
212 | static int last_mouse_x, last_mouse_y; | |
7e5a23bd | 213 | #endif /* HAVE_GPM */ |
e882229c | 214 | |
da8e1115 | 215 | /* Ring the bell on a tty. */ |
c291d9ef | 216 | |
ed8dad6b | 217 | static void |
385ed61f | 218 | tty_ring_bell (struct frame *f) |
3224dac1 | 219 | { |
3224dac1 | 220 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 221 | |
b6660415 KL |
222 | if (tty->output) |
223 | { | |
224 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
225 | ? tty->TS_visible_bell | |
226 | : tty->TS_bell)); | |
227 | fflush (tty->output); | |
08a24c47 | 228 | } |
08a24c47 JB |
229 | } |
230 | ||
da8e1115 KL |
231 | /* Set up termcap modes for Emacs. */ |
232 | ||
dfcf069d | 233 | void |
6ed8eeff | 234 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 235 | { |
6ed8eeff | 236 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 237 | |
0b0d3e0b | 238 | if (tty->output) |
08a24c47 | 239 | { |
fbf34973 KL |
240 | if (tty->TS_termcap_modes) |
241 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 242 | else |
fbf34973 KL |
243 | { |
244 | /* Output enough newlines to scroll all the old screen contents | |
245 | off the screen, so it won't be overwritten and lost. */ | |
246 | int i; | |
a3c07f68 | 247 | current_tty = tty; |
fbf34973 | 248 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 249 | cmputc ('\n'); |
fbf34973 KL |
250 | } |
251 | ||
0b0d3e0b | 252 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
b58cb614 | 253 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
254 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
255 | losecursor (tty); | |
2f98e6e3 | 256 | fflush (tty->output); |
08a24c47 | 257 | } |
08a24c47 JB |
258 | } |
259 | ||
da8e1115 KL |
260 | /* Reset termcap modes before exiting Emacs. */ |
261 | ||
dfcf069d | 262 | void |
6ed8eeff | 263 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 264 | { |
6ed8eeff | 265 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
266 | |
267 | if (tty->output) | |
08a24c47 | 268 | { |
ed8dad6b KL |
269 | tty_turn_off_highlight (tty); |
270 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
271 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
272 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
273 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
274 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 275 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 276 | current_tty = tty; |
d284f58f | 277 | cmputc ('\r'); |
2f98e6e3 | 278 | fflush (tty->output); |
08a24c47 | 279 | } |
08a24c47 JB |
280 | } |
281 | ||
6ed8eeff | 282 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 283 | |
ed8dad6b | 284 | static void |
3224dac1 | 285 | tty_update_end (struct frame *f) |
08a24c47 | 286 | { |
3224dac1 | 287 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 288 | |
3224dac1 KL |
289 | if (!XWINDOW (selected_window)->cursor_off_p) |
290 | tty_show_cursor (tty); | |
ed8dad6b KL |
291 | tty_turn_off_insert (tty); |
292 | tty_background_highlight (tty); | |
08a24c47 JB |
293 | } |
294 | ||
da8e1115 KL |
295 | /* The implementation of set_terminal_window for termcap frames. */ |
296 | ||
ed8dad6b | 297 | static void |
385ed61f | 298 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 299 | { |
3224dac1 KL |
300 | struct tty_display_info *tty = FRAME_TTY (f); |
301 | ||
302 | tty->specified_window = size ? size : FRAME_LINES (f); | |
303 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 304 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
305 | } |
306 | ||
ed8dad6b KL |
307 | static void |
308 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
309 | { |
310 | char *buf; | |
28d7d09f | 311 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 312 | |
fca177d4 KL |
313 | if (tty->TS_set_scroll_region) |
314 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
315 | else if (tty->TS_set_scroll_region_1) | |
316 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
317 | FRAME_LINES (f), start, |
318 | FRAME_LINES (f) - stop, | |
319 | FRAME_LINES (f)); | |
08a24c47 | 320 | else |
fca177d4 | 321 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 322 | |
6548cf00 | 323 | OUTPUT (tty, buf); |
9ac0d9e0 | 324 | xfree (buf); |
6548cf00 | 325 | losecursor (tty); |
08a24c47 | 326 | } |
d284f58f | 327 | |
08a24c47 | 328 | \f |
d284f58f | 329 | static void |
ed8dad6b | 330 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 331 | { |
fca177d4 KL |
332 | if (!tty->insert_mode) |
333 | OUTPUT (tty, tty->TS_insert_mode); | |
334 | tty->insert_mode = 1; | |
08a24c47 JB |
335 | } |
336 | ||
dfcf069d | 337 | void |
ed8dad6b | 338 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 339 | { |
fca177d4 KL |
340 | if (tty->insert_mode) |
341 | OUTPUT (tty, tty->TS_end_insert_mode); | |
342 | tty->insert_mode = 0; | |
08a24c47 JB |
343 | } |
344 | \f | |
54800acb | 345 | /* Handle highlighting. */ |
08a24c47 | 346 | |
dfcf069d | 347 | void |
ed8dad6b | 348 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 349 | { |
fca177d4 KL |
350 | if (tty->standout_mode) |
351 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
352 | tty->standout_mode = 0; | |
08a24c47 JB |
353 | } |
354 | ||
d284f58f | 355 | static void |
ed8dad6b | 356 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 357 | { |
fca177d4 KL |
358 | if (!tty->standout_mode) |
359 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
360 | tty->standout_mode = 1; | |
08a24c47 JB |
361 | } |
362 | ||
86a7d192 | 363 | static void |
ed8dad6b | 364 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 365 | { |
fca177d4 | 366 | if (tty->standout_mode) |
ed8dad6b | 367 | tty_turn_off_highlight (tty); |
86a7d192 | 368 | else |
ed8dad6b | 369 | tty_turn_on_highlight (tty); |
86a7d192 GM |
370 | } |
371 | ||
a168702a GM |
372 | |
373 | /* Make cursor invisible. */ | |
374 | ||
375 | static void | |
28d7d09f | 376 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 377 | { |
fca177d4 | 378 | if (tty->cursor_hidden == 0) |
d284f58f | 379 | { |
fca177d4 KL |
380 | tty->cursor_hidden = 1; |
381 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 382 | } |
a168702a GM |
383 | } |
384 | ||
385 | ||
386 | /* Ensure that cursor is visible. */ | |
387 | ||
388 | static void | |
28d7d09f | 389 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 390 | { |
fca177d4 | 391 | if (tty->cursor_hidden) |
d284f58f | 392 | { |
fca177d4 KL |
393 | tty->cursor_hidden = 0; |
394 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 395 | if (visible_cursor) |
b58cb614 | 396 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 397 | } |
a168702a GM |
398 | } |
399 | ||
400 | ||
08a24c47 JB |
401 | /* Set standout mode to the state it should be in for |
402 | empty space inside windows. What this is, | |
403 | depends on the user option inverse-video. */ | |
404 | ||
ed8dad6b KL |
405 | static void |
406 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 407 | { |
08a24c47 | 408 | if (inverse_video) |
ed8dad6b | 409 | tty_turn_on_highlight (tty); |
08a24c47 | 410 | else |
ed8dad6b | 411 | tty_turn_off_highlight (tty); |
08a24c47 JB |
412 | } |
413 | ||
414 | /* Set standout mode to the mode specified for the text to be output. */ | |
415 | ||
dfcf069d | 416 | static void |
ed8dad6b | 417 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 418 | { |
8ede64a5 | 419 | if (inverse_video) |
ed8dad6b | 420 | tty_turn_on_highlight (tty); |
8ede64a5 | 421 | else |
ed8dad6b | 422 | tty_turn_off_highlight (tty); |
08a24c47 JB |
423 | } |
424 | \f | |
425 | ||
a168702a GM |
426 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
427 | frame-relative coordinates. */ | |
08a24c47 | 428 | |
ed8dad6b | 429 | static void |
385ed61f | 430 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 431 | { |
3224dac1 | 432 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 433 | |
36cae867 KH |
434 | /* Detect the case where we are called from reset_sys_modes |
435 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 436 | if (! tty->costs_set) |
36cae867 KH |
437 | return; |
438 | ||
6548cf00 KL |
439 | if (curY (tty) == vpos |
440 | && curX (tty) == hpos) | |
08a24c47 | 441 | return; |
fca177d4 | 442 | if (!tty->TF_standout_motion) |
ed8dad6b | 443 | tty_background_highlight (tty); |
fca177d4 | 444 | if (!tty->TF_insmode_motion) |
ed8dad6b | 445 | tty_turn_off_insert (tty); |
6548cf00 | 446 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
447 | } |
448 | ||
449 | /* Similar but don't take any account of the wasted characters. */ | |
450 | ||
ed8dad6b | 451 | static void |
385ed61f | 452 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 453 | { |
3224dac1 KL |
454 | struct tty_display_info *tty = FRAME_TTY (f); |
455 | ||
6548cf00 KL |
456 | if (curY (tty) == row |
457 | && curX (tty) == col) | |
08a24c47 | 458 | return; |
fca177d4 | 459 | if (!tty->TF_standout_motion) |
ed8dad6b | 460 | tty_background_highlight (tty); |
fca177d4 | 461 | if (!tty->TF_insmode_motion) |
ed8dad6b | 462 | tty_turn_off_insert (tty); |
6548cf00 | 463 | cmgoto (tty, row, col); |
08a24c47 JB |
464 | } |
465 | \f | |
466 | /* Erase operations */ | |
467 | ||
da8e1115 KL |
468 | /* Clear from cursor to end of frame on a termcap device. */ |
469 | ||
ed8dad6b | 470 | static void |
385ed61f | 471 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
472 | { |
473 | register int i; | |
3224dac1 | 474 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 475 | |
fca177d4 | 476 | if (tty->TS_clr_to_bottom) |
08a24c47 | 477 | { |
ed8dad6b | 478 | tty_background_highlight (tty); |
fca177d4 | 479 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
480 | } |
481 | else | |
482 | { | |
6548cf00 | 483 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 484 | { |
385ed61f KL |
485 | cursor_to (f, i, 0); |
486 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
487 | } |
488 | } | |
489 | } | |
490 | ||
da8e1115 | 491 | /* Clear an entire termcap frame. */ |
08a24c47 | 492 | |
ed8dad6b | 493 | static void |
385ed61f | 494 | tty_clear_frame (struct frame *f) |
08a24c47 | 495 | { |
3224dac1 | 496 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 497 | |
fca177d4 | 498 | if (tty->TS_clr_frame) |
08a24c47 | 499 | { |
ed8dad6b | 500 | tty_background_highlight (tty); |
fca177d4 | 501 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 502 | cmat (tty, 0, 0); |
08a24c47 JB |
503 | } |
504 | else | |
505 | { | |
385ed61f KL |
506 | cursor_to (f, 0, 0); |
507 | clear_to_end (f); | |
08a24c47 JB |
508 | } |
509 | } | |
510 | ||
da8e1115 | 511 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
512 | |
513 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
514 | ||
ed8dad6b | 515 | static void |
385ed61f | 516 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
517 | { |
518 | register int i; | |
3224dac1 | 519 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 520 | |
36cae867 KH |
521 | /* Detect the case where we are called from reset_sys_modes |
522 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 523 | if (! tty->costs_set) |
36cae867 KH |
524 | return; |
525 | ||
6548cf00 | 526 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 527 | return; |
ed8dad6b | 528 | tty_background_highlight (tty); |
fca177d4 | 529 | if (tty->TS_clr_line) |
08a24c47 | 530 | { |
fca177d4 | 531 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
532 | } |
533 | else | |
534 | { /* have to do it the hard way */ | |
ed8dad6b | 535 | tty_turn_off_insert (tty); |
08a24c47 | 536 | |
a168702a | 537 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 538 | if (AutoWrap (tty) |
0a125897 KL |
539 | && curY (tty) == FrameRows (tty) - 1 |
540 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
541 | first_unused_hpos--; |
542 | ||
6548cf00 | 543 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 544 | { |
0b0d3e0b KL |
545 | if (tty->termscript) |
546 | fputc (' ', tty->termscript); | |
547 | fputc (' ', tty->output); | |
08a24c47 | 548 | } |
6548cf00 | 549 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
550 | } |
551 | } | |
552 | \f | |
288d5132 KH |
553 | /* Buffers to store the source and result of code conversion for terminal. */ |
554 | static unsigned char *encode_terminal_src; | |
555 | static unsigned char *encode_terminal_dst; | |
556 | /* Allocated sizes of the above buffers. */ | |
557 | static int encode_terminal_src_size; | |
558 | static int encode_terminal_dst_size; | |
559 | ||
560 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
561 | Set CODING->produced to the byte-length of the resulting byte | |
562 | sequence, and return a pointer to that byte sequence. */ | |
563 | ||
564 | unsigned char * | |
565 | encode_terminal_code (src, src_len, coding) | |
a168702a | 566 | struct glyph *src; |
a4decb7f | 567 | int src_len; |
288d5132 | 568 | struct coding_system *coding; |
a4decb7f | 569 | { |
feef4f84 | 570 | struct glyph *src_end = src + src_len; |
288d5132 KH |
571 | unsigned char *buf; |
572 | int nchars, nbytes, required; | |
a4decb7f KH |
573 | register int tlen = GLYPH_TABLE_LENGTH; |
574 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 575 | Lisp_Object charset_list; |
c5a518df | 576 | |
288d5132 KH |
577 | /* Allocate sufficient size of buffer to store all characters in |
578 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
579 | Vglyph_table contains a string or a composite glyph is |
580 | encountered. */ | |
288d5132 KH |
581 | required = MAX_MULTIBYTE_LENGTH * src_len; |
582 | if (encode_terminal_src_size < required) | |
583 | { | |
d31eee5e | 584 | if (encode_terminal_src) |
288d5132 | 585 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
586 | else |
587 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
588 | encode_terminal_src_size = required; |
589 | } | |
6589fd67 | 590 | |
288d5132 | 591 | charset_list = coding_charset_list (coding); |
a4decb7f | 592 | |
288d5132 KH |
593 | buf = encode_terminal_src; |
594 | nchars = 0; | |
595 | while (src < src_end) | |
a4decb7f | 596 | { |
4c12d738 KH |
597 | if (src->type == COMPOSITE_GLYPH) |
598 | { | |
75a10786 KH |
599 | struct composition *cmp; |
600 | Lisp_Object gstring; | |
4c12d738 KH |
601 | int i; |
602 | ||
603 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
604 | if (src->u.cmp.automatic) |
605 | { | |
606 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
285e85c6 | 607 | required = src->u.cmp.to + 1 - src->u.cmp.from; |
75a10786 KH |
608 | } |
609 | else | |
610 | { | |
611 | cmp = composition_table[src->u.cmp.id]; | |
612 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
613 | } | |
4c12d738 KH |
614 | |
615 | if (encode_terminal_src_size < nbytes + required) | |
616 | { | |
617 | encode_terminal_src_size = nbytes + required; | |
618 | encode_terminal_src = xrealloc (encode_terminal_src, | |
619 | encode_terminal_src_size); | |
620 | buf = encode_terminal_src + nbytes; | |
621 | } | |
622 | ||
75a10786 | 623 | if (src->u.cmp.automatic) |
285e85c6 | 624 | for (i = src->u.cmp.from; i <= src->u.cmp.to; i++) |
75a10786 KH |
625 | { |
626 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
627 | int c = LGLYPH_CHAR (g); | |
628 | ||
629 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 630 | c = '?'; |
75a10786 KH |
631 | buf += CHAR_STRING (c, buf); |
632 | nchars++; | |
633 | } | |
634 | else | |
635 | for (i = 0; i < cmp->glyph_len; i++) | |
636 | { | |
637 | int c = COMPOSITION_GLYPH (cmp, i); | |
638 | ||
d0984aff KH |
639 | if (c == '\t') |
640 | continue; | |
641 | if (char_charset (c, charset_list, NULL)) | |
642 | { | |
643 | if (CHAR_WIDTH (c) == 0 | |
644 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
645 | /* Should be left-padded */ | |
646 | { | |
647 | buf += CHAR_STRING (' ', buf); | |
648 | nchars++; | |
649 | } | |
650 | } | |
651 | else | |
652 | c = '?'; | |
75a10786 KH |
653 | buf += CHAR_STRING (c, buf); |
654 | nchars++; | |
655 | } | |
4c12d738 | 656 | } |
a4decb7f | 657 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 658 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 659 | { |
f4d953fc | 660 | GLYPH g; |
288d5132 KH |
661 | int c; |
662 | Lisp_Object string; | |
663 | ||
4ae0a2c0 | 664 | string = Qnil; |
f4d953fc | 665 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 666 | |
f4d953fc | 667 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 668 | { |
f185a758 | 669 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
670 | c = src->u.ch; |
671 | } | |
32de38e4 | 672 | else |
a4decb7f | 673 | { |
32de38e4 | 674 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
675 | so process any alias before testing for simpleness. */ |
676 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
677 | |
678 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
679 | /* We set the multi-byte form of a character in G |
680 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 681 | c = GLYPH_CHAR (g); |
32de38e4 | 682 | else |
4ae0a2c0 | 683 | /* We have a string in Vglyph_table. */ |
f4d953fc | 684 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 685 | } |
177c0ea7 | 686 | |
4ae0a2c0 | 687 | if (NILP (string)) |
c42869c4 | 688 | { |
4c12d738 KH |
689 | nbytes = buf - encode_terminal_src; |
690 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
691 | { | |
692 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
693 | encode_terminal_src = xrealloc (encode_terminal_src, | |
694 | encode_terminal_src_size); | |
695 | buf = encode_terminal_src + nbytes; | |
696 | } | |
288d5132 | 697 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 698 | { |
288d5132 KH |
699 | /* Store the multibyte form of C at BUF. */ |
700 | buf += CHAR_STRING (c, buf); | |
701 | nchars++; | |
c5a518df KH |
702 | } |
703 | else | |
704 | { | |
288d5132 KH |
705 | /* C is not encodable. */ |
706 | *buf++ = '?'; | |
c5a518df | 707 | nchars++; |
288d5132 KH |
708 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
709 | { | |
710 | *buf++ = '?'; | |
711 | nchars++; | |
712 | src++; | |
713 | } | |
c5a518df | 714 | } |
4ae0a2c0 KH |
715 | } |
716 | else | |
717 | { | |
288d5132 KH |
718 | unsigned char *p = SDATA (string), *pend = p + SBYTES (string); |
719 | ||
720 | if (! STRING_MULTIBYTE (string)) | |
721 | string = string_to_multibyte (string); | |
722 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 723 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 724 | { |
288d5132 KH |
725 | encode_terminal_src_size = nbytes + SBYTES (string); |
726 | encode_terminal_src = xrealloc (encode_terminal_src, | |
727 | encode_terminal_src_size); | |
728 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 729 | } |
288d5132 KH |
730 | bcopy (SDATA (string), buf, SBYTES (string)); |
731 | buf += SBYTES (string); | |
732 | nchars += SCHARS (string); | |
c42869c4 | 733 | } |
a4decb7f | 734 | } |
288d5132 KH |
735 | src++; |
736 | } | |
737 | ||
738 | if (nchars == 0) | |
739 | { | |
740 | coding->produced = 0; | |
741 | return NULL; | |
a4decb7f | 742 | } |
177c0ea7 | 743 | |
288d5132 KH |
744 | nbytes = buf - encode_terminal_src; |
745 | coding->source = encode_terminal_src; | |
746 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 747 | { |
288d5132 | 748 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
749 | if (encode_terminal_dst) |
750 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
751 | encode_terminal_dst_size); | |
752 | else | |
753 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 754 | } |
288d5132 KH |
755 | coding->destination = encode_terminal_dst; |
756 | coding->dst_bytes = encode_terminal_dst_size; | |
757 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 758 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
759 | encode_terminal_dst = coding->destination; |
760 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 761 | |
288d5132 | 762 | return (encode_terminal_dst); |
a4decb7f KH |
763 | } |
764 | ||
08a24c47 | 765 | |
c73bd236 | 766 | |
da8e1115 KL |
767 | /* An implementation of write_glyphs for termcap frames. */ |
768 | ||
ed8dad6b | 769 | static void |
385ed61f | 770 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 771 | { |
288d5132 KH |
772 | unsigned char *conversion_buffer; |
773 | struct coding_system *coding; | |
08a24c47 | 774 | |
3224dac1 | 775 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 776 | |
ed8dad6b | 777 | tty_turn_off_insert (tty); |
fca177d4 | 778 | tty_hide_cursor (tty); |
08a24c47 | 779 | |
a168702a | 780 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 781 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 782 | |
6548cf00 KL |
783 | if (AutoWrap (tty) |
784 | && curY (tty) + 1 == FRAME_LINES (f) | |
785 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 786 | len --; |
a4decb7f KH |
787 | if (len <= 0) |
788 | return; | |
08a24c47 | 789 | |
6548cf00 | 790 | cmplus (tty, len); |
177c0ea7 | 791 | |
af645abf KH |
792 | /* If terminal_coding does any conversion, use it, otherwise use |
793 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
794 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
795 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
796 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
797 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
798 | the tail. */ | |
af645abf | 799 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 800 | |
a4decb7f | 801 | while (len > 0) |
08a24c47 | 802 | { |
a168702a | 803 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 804 | int face_id = string->face_id; |
a168702a | 805 | int n; |
177c0ea7 | 806 | |
a168702a | 807 | for (n = 1; n < len; ++n) |
32de38e4 | 808 | if (string[n].face_id != face_id) |
a168702a GM |
809 | break; |
810 | ||
811 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 812 | tty_highlight_if_desired (tty); |
a168702a GM |
813 | turn_on_face (f, face_id); |
814 | ||
288d5132 KH |
815 | if (n == len) |
816 | /* This is the last run. */ | |
817 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
818 | conversion_buffer = encode_terminal_code (string, n, coding); | |
819 | if (coding->produced > 0) | |
08a24c47 | 820 | { |
1a935bfd | 821 | BLOCK_INPUT; |
fad2f685 KL |
822 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
823 | if (ferror (tty->output)) | |
824 | clearerr (tty->output); | |
825 | if (tty->termscript) | |
826 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 827 | UNBLOCK_INPUT; |
08a24c47 | 828 | } |
288d5132 KH |
829 | len -= n; |
830 | string += n; | |
a168702a GM |
831 | |
832 | /* Turn appearance modes off. */ | |
833 | turn_off_face (f, face_id); | |
ed8dad6b | 834 | tty_turn_off_highlight (tty); |
a4decb7f | 835 | } |
177c0ea7 | 836 | |
6548cf00 | 837 | cmcheckmagic (tty); |
08a24c47 JB |
838 | } |
839 | ||
b870aa61 SM |
840 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
841 | ||
7be1c21a MB |
842 | static void |
843 | tty_write_glyphs_with_face (f, string, len, face_id) | |
844 | register struct frame *f; | |
e882229c NR |
845 | register struct glyph *string; |
846 | register int len, face_id; | |
847 | { | |
e882229c NR |
848 | unsigned char *conversion_buffer; |
849 | struct coding_system *coding; | |
850 | ||
7be1c21a MB |
851 | struct tty_display_info *tty = FRAME_TTY (f); |
852 | ||
853 | tty_turn_off_insert (tty); | |
854 | tty_hide_cursor (tty); | |
e882229c NR |
855 | |
856 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
857 | since that would scroll the whole frame on some terminals. */ | |
858 | ||
7be1c21a MB |
859 | if (AutoWrap (tty) |
860 | && curY (tty) + 1 == FRAME_LINES (f) | |
861 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
862 | len --; |
863 | if (len <= 0) | |
864 | return; | |
865 | ||
7be1c21a | 866 | cmplus (tty, len); |
e882229c NR |
867 | |
868 | /* If terminal_coding does any conversion, use it, otherwise use | |
869 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
870 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
871 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
872 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
873 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
874 | the tail. */ | |
875 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
876 | ||
e882229c | 877 | /* Turn appearance modes of the face. */ |
7be1c21a | 878 | tty_highlight_if_desired (tty); |
e882229c NR |
879 | turn_on_face (f, face_id); |
880 | ||
881 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
882 | conversion_buffer = encode_terminal_code (string, len, coding); | |
883 | if (coding->produced > 0) | |
884 | { | |
885 | BLOCK_INPUT; | |
7be1c21a MB |
886 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
887 | if (ferror (tty->output)) | |
888 | clearerr (tty->output); | |
889 | if (tty->termscript) | |
890 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
891 | UNBLOCK_INPUT; |
892 | } | |
893 | ||
894 | /* Turn appearance modes off. */ | |
895 | turn_off_face (f, face_id); | |
7be1c21a | 896 | tty_turn_off_highlight (tty); |
e882229c | 897 | |
7be1c21a | 898 | cmcheckmagic (tty); |
e882229c | 899 | } |
b870aa61 | 900 | #endif |
e882229c | 901 | |
da8e1115 | 902 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 903 | |
ed8dad6b | 904 | static void |
385ed61f | 905 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
906 | { |
907 | char *buf; | |
6bbd7a29 | 908 | struct glyph *glyph = NULL; |
af645abf KH |
909 | unsigned char *conversion_buffer; |
910 | unsigned char space[1]; | |
911 | struct coding_system *coding; | |
08a24c47 | 912 | |
3224dac1 | 913 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 914 | |
fca177d4 | 915 | if (tty->TS_ins_multi_chars) |
08a24c47 | 916 | { |
fca177d4 | 917 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 918 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 919 | xfree (buf); |
08a24c47 | 920 | if (start) |
385ed61f | 921 | write_glyphs (f, start, len); |
08a24c47 JB |
922 | return; |
923 | } | |
924 | ||
ed8dad6b | 925 | tty_turn_on_insert (tty); |
6548cf00 | 926 | cmplus (tty, len); |
288d5132 KH |
927 | |
928 | if (! start) | |
929 | space[0] = SPACEGLYPH; | |
930 | ||
931 | /* If terminal_coding does any conversion, use it, otherwise use | |
932 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
933 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
934 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
935 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
936 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
937 | the tail. */ | |
938 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
939 | ||
07109bf9 | 940 | while (len-- > 0) |
08a24c47 | 941 | { |
fca177d4 | 942 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 943 | if (!start) |
32de38e4 | 944 | { |
288d5132 KH |
945 | conversion_buffer = space; |
946 | coding->produced = 1; | |
32de38e4 | 947 | } |
08a24c47 | 948 | else |
08a24c47 | 949 | { |
ed8dad6b | 950 | tty_highlight_if_desired (tty); |
32de38e4 | 951 | turn_on_face (f, start->face_id); |
816be8b8 | 952 | glyph = start; |
a168702a | 953 | ++start; |
a4decb7f KH |
954 | /* We must open sufficient space for a character which |
955 | occupies more than one column. */ | |
a168702a | 956 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 957 | { |
fca177d4 | 958 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
959 | start++, len--; |
960 | } | |
288d5132 KH |
961 | |
962 | if (len <= 0) | |
963 | /* This is the last glyph. */ | |
964 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
965 | ||
fad2f685 | 966 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 967 | } |
a4decb7f | 968 | |
288d5132 | 969 | if (coding->produced > 0) |
08a24c47 | 970 | { |
1a935bfd | 971 | BLOCK_INPUT; |
fad2f685 | 972 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
973 | if (ferror (tty->output)) |
974 | clearerr (tty->output); | |
975 | if (tty->termscript) | |
fad2f685 | 976 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 977 | UNBLOCK_INPUT; |
08a24c47 JB |
978 | } |
979 | ||
fca177d4 | 980 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 981 | if (start) |
65aa5e85 GM |
982 | { |
983 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 984 | tty_turn_off_highlight (tty); |
65aa5e85 | 985 | } |
9a6b6f92 | 986 | } |
177c0ea7 | 987 | |
6548cf00 | 988 | cmcheckmagic (tty); |
08a24c47 JB |
989 | } |
990 | ||
da8e1115 KL |
991 | /* An implementation of delete_glyphs for termcap frames. */ |
992 | ||
ed8dad6b | 993 | static void |
385ed61f | 994 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
995 | { |
996 | char *buf; | |
997 | register int i; | |
998 | ||
3224dac1 | 999 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 1000 | |
fca177d4 | 1001 | if (tty->delete_in_insert_mode) |
08a24c47 | 1002 | { |
ed8dad6b | 1003 | tty_turn_on_insert (tty); |
08a24c47 JB |
1004 | } |
1005 | else | |
1006 | { | |
ed8dad6b | 1007 | tty_turn_off_insert (tty); |
fca177d4 | 1008 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
1009 | } |
1010 | ||
fca177d4 | 1011 | if (tty->TS_del_multi_chars) |
08a24c47 | 1012 | { |
fca177d4 | 1013 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 1014 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 1015 | xfree (buf); |
08a24c47 JB |
1016 | } |
1017 | else | |
1018 | for (i = 0; i < n; i++) | |
fca177d4 KL |
1019 | OUTPUT1 (tty, tty->TS_del_char); |
1020 | if (!tty->delete_in_insert_mode) | |
1021 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
1022 | } |
1023 | \f | |
da8e1115 | 1024 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 1025 | |
ed8dad6b | 1026 | static void |
385ed61f | 1027 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 1028 | { |
3224dac1 KL |
1029 | struct tty_display_info *tty = FRAME_TTY (f); |
1030 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1031 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1032 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1033 | |
1034 | register int i = n > 0 ? n : -n; | |
1035 | register char *buf; | |
1036 | ||
08a24c47 JB |
1037 | /* If the lines below the insertion are being pushed |
1038 | into the end of the window, this is the same as clearing; | |
1039 | and we know the lines are already clear, since the matching | |
1040 | deletion has already been done. So can ignore this. */ | |
1041 | /* If the lines below the deletion are blank lines coming | |
1042 | out of the end of the window, don't bother, | |
1043 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1044 | if (FRAME_SCROLL_REGION_OK (f) |
1045 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1046 | return; |
3224dac1 KL |
1047 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1048 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1049 | return; |
f4d953fc | 1050 | |
08a24c47 JB |
1051 | if (multi) |
1052 | { | |
6839f1e2 | 1053 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1054 | tty_background_highlight (tty); |
08a24c47 | 1055 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1056 | OUTPUT (tty, buf); |
9ac0d9e0 | 1057 | xfree (buf); |
08a24c47 JB |
1058 | } |
1059 | else if (single) | |
1060 | { | |
6839f1e2 | 1061 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1062 | tty_background_highlight (tty); |
08a24c47 | 1063 | while (--i >= 0) |
3224dac1 KL |
1064 | OUTPUT (tty, single); |
1065 | if (tty->TF_teleray) | |
1066 | curX (tty) = 0; | |
08a24c47 JB |
1067 | } |
1068 | else | |
1069 | { | |
ed8dad6b | 1070 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1071 | if (n < 0) |
6839f1e2 | 1072 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1073 | else |
6839f1e2 | 1074 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1075 | tty_background_highlight (tty); |
08a24c47 | 1076 | while (--i >= 0) |
3224dac1 | 1077 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1078 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1079 | } |
f4d953fc | 1080 | |
3224dac1 KL |
1081 | if (!FRAME_SCROLL_REGION_OK (f) |
1082 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1083 | && n < 0) | |
08a24c47 | 1084 | { |
385ed61f KL |
1085 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1086 | clear_to_end (f); | |
08a24c47 JB |
1087 | } |
1088 | } | |
1089 | \f | |
1090 | /* Compute cost of sending "str", in characters, | |
1091 | not counting any line-dependent padding. */ | |
1092 | ||
1093 | int | |
6839f1e2 | 1094 | string_cost (char *str) |
08a24c47 JB |
1095 | { |
1096 | cost = 0; | |
1097 | if (str) | |
1098 | tputs (str, 0, evalcost); | |
1099 | return cost; | |
1100 | } | |
1101 | ||
1102 | /* Compute cost of sending "str", in characters, | |
1103 | counting any line-dependent padding at one line. */ | |
1104 | ||
1105 | static int | |
6839f1e2 | 1106 | string_cost_one_line (char *str) |
08a24c47 JB |
1107 | { |
1108 | cost = 0; | |
1109 | if (str) | |
1110 | tputs (str, 1, evalcost); | |
1111 | return cost; | |
1112 | } | |
1113 | ||
1114 | /* Compute per line amount of line-dependent padding, | |
1115 | in tenths of characters. */ | |
1116 | ||
1117 | int | |
6839f1e2 | 1118 | per_line_cost (char *str) |
08a24c47 JB |
1119 | { |
1120 | cost = 0; | |
1121 | if (str) | |
1122 | tputs (str, 0, evalcost); | |
1123 | cost = - cost; | |
1124 | if (str) | |
1125 | tputs (str, 10, evalcost); | |
1126 | return cost; | |
1127 | } | |
1128 | ||
1129 | #ifndef old | |
1130 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1131 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1132 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1133 | |
1134 | int *char_ins_del_vector; | |
1135 | ||
9882535b | 1136 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1137 | #endif |
1138 | ||
1139 | /* ARGSUSED */ | |
1140 | static void | |
6839f1e2 | 1141 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1142 | { |
28d7d09f | 1143 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1144 | int ins_startup_cost, del_startup_cost; |
1145 | int ins_cost_per_char, del_cost_per_char; | |
1146 | register int i; | |
1147 | register int *p; | |
1148 | ||
fca177d4 | 1149 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1150 | { |
1151 | ins_cost_per_char = 0; | |
fca177d4 | 1152 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1153 | } |
fca177d4 KL |
1154 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1155 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1156 | { |
fca177d4 KL |
1157 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1158 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1159 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1160 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1161 | } |
1162 | else | |
1163 | { | |
1164 | ins_startup_cost = 9999; | |
1165 | ins_cost_per_char = 0; | |
1166 | } | |
1167 | ||
fca177d4 | 1168 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1169 | { |
1170 | del_cost_per_char = 0; | |
fca177d4 | 1171 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1172 | } |
fca177d4 | 1173 | else if (tty->TS_del_char) |
08a24c47 | 1174 | { |
fca177d4 KL |
1175 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1176 | + string_cost (tty->TS_end_delete_mode)); | |
1177 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1178 | del_startup_cost /= 2; |
fca177d4 | 1179 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1180 | } |
1181 | else | |
1182 | { | |
1183 | del_startup_cost = 9999; | |
1184 | del_cost_per_char = 0; | |
1185 | } | |
1186 | ||
1187 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1188 | p = &char_ins_del_cost (f)[0]; |
1189 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1190 | *--p = (del_startup_cost += del_cost_per_char); |
1191 | ||
1192 | /* Doing nothing is free */ | |
fca177d4 | 1193 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1194 | *p++ = 0; |
1195 | ||
1196 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1197 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1198 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1199 | } | |
1200 | ||
dfcf069d | 1201 | void |
6839f1e2 | 1202 | calculate_costs (struct frame *frame) |
08a24c47 | 1203 | { |
9f732a77 | 1204 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1205 | |
28d440ab | 1206 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1207 | { |
1208 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1209 | register char *f = (tty->TS_set_scroll_region | |
1210 | ? tty->TS_set_scroll_region | |
1211 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1212 | |
daf01701 | 1213 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1214 | |
daf01701 | 1215 | tty->costs_set = 1; |
08a24c47 | 1216 | |
daf01701 KL |
1217 | /* These variables are only used for terminal stuff. They are |
1218 | allocated once for the terminal frame of X-windows emacs, but not | |
1219 | used afterwards. | |
8dd0c7cb | 1220 | |
daf01701 KL |
1221 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1222 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1223 | |
daf01701 KL |
1224 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1225 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1226 | |
daf01701 KL |
1227 | if (char_ins_del_vector != 0) |
1228 | char_ins_del_vector | |
1229 | = (int *) xrealloc (char_ins_del_vector, | |
1230 | (sizeof (int) | |
1231 | + 2 * max_frame_cols * sizeof (int))); | |
1232 | else | |
1233 | char_ins_del_vector | |
1234 | = (int *) xmalloc (sizeof (int) | |
1235 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1236 | |
daf01701 KL |
1237 | bzero (char_ins_del_vector, (sizeof (int) |
1238 | + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1239 | |
daf01701 KL |
1240 | |
1241 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1242 | do_line_insertion_deletion_costs (frame, | |
1243 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1244 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1245 | f, f, 1); | |
1246 | else | |
1247 | do_line_insertion_deletion_costs (frame, | |
1248 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1249 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1250 | 0, 0, 1); | |
1251 | ||
1252 | calculate_ins_del_char_costs (frame); | |
1253 | ||
1254 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1255 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1256 | tty->RPov = string_cost (tty->TS_repeat); | |
1257 | else | |
1258 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1259 | |
daf01701 KL |
1260 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1261 | } | |
08a24c47 JB |
1262 | } |
1263 | \f | |
a796ac82 JB |
1264 | struct fkey_table { |
1265 | char *cap, *name; | |
1266 | }; | |
1267 | ||
01d8deb0 ER |
1268 | /* Termcap capability names that correspond directly to X keysyms. |
1269 | Some of these (marked "terminfo") aren't supplied by old-style | |
1270 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1271 | except we put the keypad keys first, so that if they clash with | |
1272 | other keys (as on the IBM PC keyboard) they get overridden. | |
1273 | */ | |
1274 | ||
a168702a GM |
1275 | static struct fkey_table keys[] = |
1276 | { | |
8103ad1a PJ |
1277 | {"kh", "home"}, /* termcap */ |
1278 | {"kl", "left"}, /* termcap */ | |
1279 | {"ku", "up"}, /* termcap */ | |
1280 | {"kr", "right"}, /* termcap */ | |
1281 | {"kd", "down"}, /* termcap */ | |
1282 | {"%8", "prior"}, /* terminfo */ | |
1283 | {"%5", "next"}, /* terminfo */ | |
1284 | {"@7", "end"}, /* terminfo */ | |
1285 | {"@1", "begin"}, /* terminfo */ | |
1286 | {"*6", "select"}, /* terminfo */ | |
1287 | {"%9", "print"}, /* terminfo */ | |
1288 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1289 | /* |
1290 | * "insert" --- see below | |
1291 | */ | |
8103ad1a PJ |
1292 | {"&8", "undo"}, /* terminfo */ |
1293 | {"%0", "redo"}, /* terminfo */ | |
1294 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1295 | {"@0", "find"}, /* terminfo */ | |
1296 | {"@2", "cancel"}, /* terminfo */ | |
1297 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1298 | /* |
1299 | * "break" goes here, but can't be reliably intercepted with termcap | |
1300 | */ | |
8103ad1a | 1301 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1302 | /* |
1303 | * "system" and "user" --- no termcaps | |
1304 | */ | |
8103ad1a PJ |
1305 | {"kE", "clearline"}, /* terminfo */ |
1306 | {"kA", "insertline"}, /* terminfo */ | |
1307 | {"kL", "deleteline"}, /* terminfo */ | |
1308 | {"kI", "insertchar"}, /* terminfo */ | |
1309 | {"kD", "deletechar"}, /* terminfo */ | |
1310 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1311 | /* |
1312 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1313 | */ | |
8103ad1a | 1314 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1315 | /* |
1316 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1317 | * "kp-multiply", "kp-add", "kp-separator", | |
1318 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1319 | * --- no termcaps for any of these. | |
1320 | */ | |
8103ad1a | 1321 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1322 | /* |
1323 | * "kp-2" --- no termcap | |
1324 | */ | |
8103ad1a | 1325 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1326 | /* |
1327 | * "kp-4" --- no termcap | |
1328 | */ | |
8103ad1a | 1329 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1330 | /* |
1331 | * "kp-6" --- no termcap | |
1332 | */ | |
8103ad1a | 1333 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1334 | /* |
1335 | * "kp-8" --- no termcap | |
1336 | */ | |
8103ad1a | 1337 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1338 | /* |
1339 | * "kp-equal" --- no termcap | |
1340 | */ | |
8103ad1a PJ |
1341 | {"k1", "f1"}, |
1342 | {"k2", "f2"}, | |
1343 | {"k3", "f3"}, | |
1344 | {"k4", "f4"}, | |
1345 | {"k5", "f5"}, | |
1346 | {"k6", "f6"}, | |
1347 | {"k7", "f7"}, | |
1348 | {"k8", "f8"}, | |
60ec7b7e DN |
1349 | {"k9", "f9"}, |
1350 | ||
1351 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1352 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1353 | {"*0", "S-find"}, /*shifted find key*/ | |
1354 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1355 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1356 | {"*7", "S-end"}, /*shifted end key*/ | |
1357 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1358 | {"#1", "S-help"}, /*shifted help key*/ | |
1359 | {"#2", "S-home"}, /*shifted home key*/ | |
1360 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1361 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1362 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1363 | {"%c", "S-next"}, /*shifted next key*/ | |
1364 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1365 | {"%f", "S-print"}, /*shifted print key*/ | |
1366 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1367 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1368 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1369 | }; |
1370 | ||
e7cf0fa0 KL |
1371 | static char **term_get_fkeys_address; |
1372 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1373 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1374 | |
4f4a84ec | 1375 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1376 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1377 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1378 | |
ed8dad6b | 1379 | static void |
e7cf0fa0 | 1380 | term_get_fkeys (address, kboard) |
5c2c7893 | 1381 | char **address; |
e7cf0fa0 | 1382 | KBOARD *kboard; |
f2a00342 RM |
1383 | { |
1384 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1385 | errors during the call. The only errors should be from Fdefine_key | |
1386 | when given a key sequence containing an invalid prefix key. If the | |
1387 | termcap defines function keys which use a prefix that is already bound | |
1388 | to a command by the default bindings, we should silently ignore that | |
1389 | function key specification, rather than giving the user an error and | |
1390 | refusing to run at all on such a terminal. */ | |
1391 | ||
1392 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1393 | term_get_fkeys_address = address; |
1394 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1395 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1396 | } | |
1397 | ||
1398 | static Lisp_Object | |
1399 | term_get_fkeys_1 () | |
5c2c7893 | 1400 | { |
5c2c7893 JB |
1401 | int i; |
1402 | ||
e7cf0fa0 KL |
1403 | char **address = term_get_fkeys_address; |
1404 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1405 | |
3e65092f | 1406 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1407 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1408 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1409 | |
5c2c7893 JB |
1410 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1411 | { | |
1412 | char *sequence = tgetstr (keys[i].cap, address); | |
1413 | if (sequence) | |
4f4a84ec | 1414 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1415 | Fmake_vector (make_number (1), |
1416 | intern (keys[i].name))); | |
5c2c7893 | 1417 | } |
a796ac82 JB |
1418 | |
1419 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1420 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1421 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1422 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1423 | */ | |
1424 | { | |
1425 | char *k_semi = tgetstr ("k;", address); | |
1426 | char *k0 = tgetstr ("k0", address); | |
1427 | char *k0_name = "f10"; | |
1428 | ||
1429 | if (k_semi) | |
1430 | { | |
95c11956 SM |
1431 | if (k0) |
1432 | /* Define f0 first, so that f10 takes precedence in case the | |
1433 | key sequences happens to be the same. */ | |
4f4a84ec | 1434 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1435 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1436 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1437 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1438 | } |
95c11956 | 1439 | else if (k0) |
4f4a84ec | 1440 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1441 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1442 | } |
01d8deb0 ER |
1443 | |
1444 | /* Set up cookies for numbered function keys above f10. */ | |
1445 | { | |
1446 | char fcap[3], fkey[4]; | |
1447 | ||
fc4f24da | 1448 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1449 | for (i = 11; i < 64; i++) |
1450 | { | |
1451 | if (i <= 19) | |
1452 | fcap[1] = '1' + i - 11; | |
1453 | else if (i <= 45) | |
b59ab95c | 1454 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1455 | else |
b59ab95c | 1456 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1457 | |
fc4f24da RS |
1458 | { |
1459 | char *sequence = tgetstr (fcap, address); | |
1460 | if (sequence) | |
1461 | { | |
465db27b | 1462 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1463 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1464 | Fmake_vector (make_number (1), |
1465 | intern (fkey))); | |
fc4f24da RS |
1466 | } |
1467 | } | |
01d8deb0 ER |
1468 | } |
1469 | } | |
1470 | ||
1471 | /* | |
1472 | * Various mappings to try and get a better fit. | |
1473 | */ | |
1474 | { | |
fc4f24da RS |
1475 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1476 | if (!tgetstr (cap1, address)) \ | |
1477 | { \ | |
1478 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1479 | if (sequence) \ |
4f4a84ec | 1480 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1481 | Fmake_vector (make_number (1), \ |
1482 | intern (sym))); \ | |
fc4f24da | 1483 | } |
177c0ea7 | 1484 | |
01d8deb0 | 1485 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1486 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1487 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1488 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1489 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1490 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1491 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1492 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1493 | |
1494 | /* IBM has their own non-standard dialect of terminfo. | |
1495 | If the standard name isn't found, try the IBM name. */ | |
1496 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1497 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1498 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1499 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1500 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1501 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1502 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1503 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1504 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1505 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1506 | } |
a168702a GM |
1507 | |
1508 | return Qnil; | |
5c2c7893 JB |
1509 | } |
1510 | ||
1511 | \f | |
a168702a GM |
1512 | /*********************************************************************** |
1513 | Character Display Information | |
1514 | ***********************************************************************/ | |
1515 | ||
47021b11 KS |
1516 | /* Avoid name clash with functions defined in xterm.c */ |
1517 | #ifdef static | |
1518 | #define append_glyph append_glyph_term | |
1519 | #define produce_stretch_glyph produce_stretch_glyph_term | |
4c12d738 KH |
1520 | #define append_composite_glyph append_composite_glyph_term |
1521 | #define produce_composite_glyph produce_composite_glyph_term | |
47021b11 KS |
1522 | #endif |
1523 | ||
a168702a | 1524 | static void append_glyph P_ ((struct it *)); |
6b61353c | 1525 | static void produce_stretch_glyph P_ ((struct it *)); |
4c12d738 KH |
1526 | static void append_composite_glyph P_ ((struct it *)); |
1527 | static void produce_composite_glyph P_ ((struct it *)); | |
a168702a GM |
1528 | |
1529 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1530 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1531 | the character for which to produce glyphs; IT->face_id contains the | |
1532 | character's face. Padding glyphs are appended if IT->c has a | |
1533 | IT->pixel_width > 1. */ | |
177c0ea7 | 1534 | |
a168702a GM |
1535 | static void |
1536 | append_glyph (it) | |
1537 | struct it *it; | |
1538 | { | |
1539 | struct glyph *glyph, *end; | |
1540 | int i; | |
1541 | ||
1542 | xassert (it->glyph_row); | |
1543 | glyph = (it->glyph_row->glyphs[it->area] | |
1544 | + it->glyph_row->used[it->area]); | |
1545 | end = it->glyph_row->glyphs[1 + it->area]; | |
1546 | ||
177c0ea7 JB |
1547 | for (i = 0; |
1548 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1549 | ++i) |
1550 | { | |
1551 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1552 | glyph->pixel_width = 1; |
d2b4c17d | 1553 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1554 | glyph->face_id = it->face_id; |
1555 | glyph->padding_p = i > 0; | |
a168702a GM |
1556 | glyph->charpos = CHARPOS (it->position); |
1557 | glyph->object = it->object; | |
177c0ea7 | 1558 | |
a168702a GM |
1559 | ++it->glyph_row->used[it->area]; |
1560 | ++glyph; | |
1561 | } | |
1562 | } | |
1563 | ||
1564 | ||
b50fe468 RS |
1565 | /* Produce glyphs for the display element described by IT. *IT |
1566 | specifies what we want to produce a glyph for (character, image, ...), | |
1567 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1568 | produce_glyphs fills in output fields of *IT with information such as the | |
1569 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1570 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1571 | struct display_iterator in dispextern.h for an overview. |
1572 | ||
1573 | produce_glyphs also stores the result of glyph width, ascent | |
1574 | etc. computations in *IT. | |
1575 | ||
1576 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1577 | actually fill in the glyphs. This is used in the move_* functions | |
1578 | in xdisp.c for text width and height computations. | |
1579 | ||
1580 | Callers usually don't call produce_glyphs directly; | |
1581 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1582 | |
177c0ea7 | 1583 | void |
a168702a GM |
1584 | produce_glyphs (it) |
1585 | struct it *it; | |
1586 | { | |
1587 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1588 | |
1589 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1590 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1591 | || it->what == IT_COMPOSITION |
a168702a | 1592 | || it->what == IT_STRETCH); |
177c0ea7 | 1593 | |
6b61353c KH |
1594 | if (it->what == IT_STRETCH) |
1595 | { | |
1596 | produce_stretch_glyph (it); | |
1597 | goto done; | |
1598 | } | |
1599 | ||
4c12d738 KH |
1600 | if (it->what == IT_COMPOSITION) |
1601 | { | |
1602 | produce_composite_glyph (it); | |
1603 | goto done; | |
1604 | } | |
a168702a | 1605 | |
d2b4c17d KH |
1606 | /* Maybe translate single-byte characters to multibyte. */ |
1607 | it->char_to_display = it->c; | |
1608 | ||
a168702a GM |
1609 | if (it->c >= 040 && it->c < 0177) |
1610 | { | |
1611 | it->pixel_width = it->nglyphs = 1; | |
1612 | if (it->glyph_row) | |
1613 | append_glyph (it); | |
1614 | } | |
1615 | else if (it->c == '\n') | |
1616 | it->pixel_width = it->nglyphs = 0; | |
1617 | else if (it->c == '\t') | |
1618 | { | |
2efdbcdd | 1619 | int absolute_x = (it->current_x |
a168702a | 1620 | + it->continuation_lines_width); |
177c0ea7 JB |
1621 | int next_tab_x |
1622 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1623 | / it->tab_width) |
1624 | * it->tab_width); | |
1625 | int nspaces; | |
1626 | ||
1627 | /* If part of the TAB has been displayed on the previous line | |
1628 | which is continued now, continuation_lines_width will have | |
1629 | been incremented already by the part that fitted on the | |
1630 | continued line. So, we will get the right number of spaces | |
1631 | here. */ | |
1632 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1633 | |
a168702a GM |
1634 | if (it->glyph_row) |
1635 | { | |
1636 | int n = nspaces; | |
177c0ea7 | 1637 | |
d2b4c17d | 1638 | it->char_to_display = ' '; |
a168702a | 1639 | it->pixel_width = it->len = 1; |
177c0ea7 | 1640 | |
a168702a GM |
1641 | while (n--) |
1642 | append_glyph (it); | |
a168702a GM |
1643 | } |
1644 | ||
1645 | it->pixel_width = nspaces; | |
1646 | it->nglyphs = nspaces; | |
1647 | } | |
c5a518df | 1648 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1649 | { |
5b203baa KH |
1650 | if (unibyte_display_via_language_environment |
1651 | && (it->c >= 0240)) | |
1652 | { | |
1653 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1654 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1655 | it->nglyphs = it->pixel_width; | |
1656 | if (it->glyph_row) | |
1657 | append_glyph (it); | |
1658 | } | |
1659 | else | |
1660 | { | |
1661 | /* Coming here means that it->c is from display table, thus | |
1662 | we must send the raw 8-bit byte as is to the terminal. | |
1663 | Although there's no way to know how many columns it | |
1664 | occupies on a screen, it is a good assumption that a | |
1665 | single byte code has 1-column width. */ | |
1666 | it->pixel_width = it->nglyphs = 1; | |
1667 | if (it->glyph_row) | |
1668 | append_glyph (it); | |
1669 | } | |
add44890 | 1670 | } |
a168702a GM |
1671 | else |
1672 | { | |
9332ea03 | 1673 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1674 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1675 | |
a168702a GM |
1676 | if (it->glyph_row) |
1677 | append_glyph (it); | |
1678 | } | |
1679 | ||
6b61353c | 1680 | done: |
177c0ea7 | 1681 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1682 | the caller. */ |
1683 | if (it->area == TEXT_AREA) | |
1684 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1685 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1686 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1687 | } |
1688 | ||
1689 | ||
6b61353c KH |
1690 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1691 | of the glyph property displayed. The value must be a list | |
1692 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1693 | being recognized: | |
1694 | ||
1695 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1696 | canonical char width wide. WIDTH may be an integer or floating | |
1697 | point number. | |
1698 | ||
1699 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1700 | to reach HPOS, a value in canonical character units. */ | |
1701 | ||
1702 | static void | |
1703 | produce_stretch_glyph (it) | |
1704 | struct it *it; | |
1705 | { | |
1706 | /* (space :width WIDTH ...) */ | |
1707 | Lisp_Object prop, plist; | |
1708 | int width = 0, align_to = -1; | |
1709 | int zero_width_ok_p = 0; | |
1710 | double tem; | |
1711 | ||
1712 | /* List should start with `space'. */ | |
1713 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1714 | plist = XCDR (it->object); | |
1715 | ||
1716 | /* Compute the width of the stretch. */ | |
1717 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1718 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1719 | { | |
1720 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1721 | zero_width_ok_p = 1; | |
1722 | width = (int)(tem + 0.5); | |
1723 | } | |
1724 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1725 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1726 | { | |
1727 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1728 | align_to = (align_to < 0 |
6b61353c KH |
1729 | ? 0 |
1730 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1731 | else if (align_to < 0) | |
1732 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1733 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1734 | zero_width_ok_p = 1; | |
1735 | } | |
1736 | else | |
1737 | /* Nothing specified -> width defaults to canonical char width. */ | |
1738 | width = FRAME_COLUMN_WIDTH (it->f); | |
1739 | ||
1740 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1741 | width = 1; | |
1742 | ||
d5221487 CY |
1743 | if (width > 0 && it->line_wrap != TRUNCATE |
1744 | && it->current_x + width > it->last_visible_x) | |
1745 | width = it->last_visible_x - it->current_x - 1; | |
1746 | ||
6b61353c KH |
1747 | if (width > 0 && it->glyph_row) |
1748 | { | |
1749 | Lisp_Object o_object = it->object; | |
1750 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1751 | int n = width; | |
6b61353c KH |
1752 | |
1753 | if (!STRINGP (object)) | |
1754 | object = it->w->buffer; | |
1755 | it->object = object; | |
d2b4c17d | 1756 | it->char_to_display = ' '; |
6b61353c KH |
1757 | it->pixel_width = it->len = 1; |
1758 | while (n--) | |
1759 | append_glyph (it); | |
1760 | it->object = o_object; | |
6b61353c KH |
1761 | } |
1762 | it->pixel_width = width; | |
1763 | it->nglyphs = width; | |
1764 | } | |
1765 | ||
1766 | ||
4c12d738 KH |
1767 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1768 | Called from produce_composite_glyph for terminal frames if | |
1769 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1770 | face. */ | |
1771 | ||
1772 | static void | |
1773 | append_composite_glyph (it) | |
1774 | struct it *it; | |
1775 | { | |
1776 | struct glyph *glyph; | |
1777 | ||
1778 | xassert (it->glyph_row); | |
1779 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1780 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1781 | { | |
1782 | glyph->type = COMPOSITE_GLYPH; | |
1783 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1784 | glyph->u.cmp.id = it->cmp_it.id; |
1785 | if (it->cmp_it.ch < 0) | |
1786 | { | |
1787 | glyph->u.cmp.automatic = 0; | |
1788 | glyph->u.cmp.id = it->cmp_it.id; | |
1789 | } | |
1790 | else | |
1791 | { | |
1792 | glyph->u.cmp.automatic = 1; | |
1793 | glyph->u.cmp.id = it->cmp_it.id; | |
1794 | glyph->u.cmp.from = it->cmp_it.from; | |
285e85c6 | 1795 | glyph->u.cmp.to = it->cmp_it.to - 1; |
75a10786 KH |
1796 | } |
1797 | ||
4c12d738 KH |
1798 | glyph->face_id = it->face_id; |
1799 | glyph->padding_p = 0; | |
1800 | glyph->charpos = CHARPOS (it->position); | |
1801 | glyph->object = it->object; | |
1802 | ||
1803 | ++it->glyph_row->used[it->area]; | |
1804 | ++glyph; | |
1805 | } | |
1806 | } | |
1807 | ||
1808 | ||
1809 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1810 | the composition. We simply produces components of the composition | |
1811 | assuming that that the terminal has a capability to layout/render | |
1812 | it correctly. */ | |
1813 | ||
1814 | static void | |
1815 | produce_composite_glyph (it) | |
1816 | struct it *it; | |
1817 | { | |
4c12d738 KH |
1818 | int c; |
1819 | ||
75a10786 KH |
1820 | if (it->cmp_it.ch < 0) |
1821 | { | |
1822 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1823 | ||
d0984aff | 1824 | it->pixel_width = cmp->width; |
75a10786 KH |
1825 | } |
1826 | else | |
1827 | { | |
1828 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1829 | |
75a10786 KH |
1830 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1831 | it->cmp_it.to, NULL); | |
1832 | } | |
1833 | it->nglyphs = 1; | |
4c12d738 KH |
1834 | if (it->glyph_row) |
1835 | append_composite_glyph (it); | |
1836 | } | |
1837 | ||
1838 | ||
a168702a GM |
1839 | /* Get information about special display element WHAT in an |
1840 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1841 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1842 | non-null glyph_row member. This function ensures that fields like | |
1843 | face_id, c, len of IT are left untouched. */ | |
1844 | ||
1845 | void | |
1846 | produce_special_glyphs (it, what) | |
1847 | struct it *it; | |
1848 | enum display_element_type what; | |
1849 | { | |
1850 | struct it temp_it; | |
f4d953fc | 1851 | Lisp_Object gc; |
072d84a6 | 1852 | GLYPH glyph; |
177c0ea7 | 1853 | |
a168702a GM |
1854 | temp_it = *it; |
1855 | temp_it.dp = NULL; | |
1856 | temp_it.what = IT_CHARACTER; | |
1857 | temp_it.len = 1; | |
7c752c80 | 1858 | temp_it.object = make_number (0); |
a168702a GM |
1859 | bzero (&temp_it.current, sizeof temp_it.current); |
1860 | ||
1861 | if (what == IT_CONTINUATION) | |
1862 | { | |
1863 | /* Continuation glyph. */ | |
f4d953fc | 1864 | SET_GLYPH_FROM_CHAR (glyph, '\\'); |
a168702a | 1865 | if (it->dp |
f4d953fc KS |
1866 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1867 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1868 | { |
f4d953fc KS |
1869 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1870 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1871 | } |
a168702a GM |
1872 | } |
1873 | else if (what == IT_TRUNCATION) | |
1874 | { | |
1875 | /* Truncation glyph. */ | |
f4d953fc | 1876 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1877 | if (it->dp |
f4d953fc KS |
1878 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1879 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1880 | { |
f4d953fc KS |
1881 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1882 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1883 | } |
a168702a GM |
1884 | } |
1885 | else | |
1886 | abort (); | |
072d84a6 | 1887 | |
f4d953fc KS |
1888 | temp_it.c = GLYPH_CHAR (glyph); |
1889 | temp_it.face_id = GLYPH_FACE (glyph); | |
072d84a6 RS |
1890 | temp_it.len = CHAR_BYTES (temp_it.c); |
1891 | ||
1892 | produce_glyphs (&temp_it); | |
1893 | it->pixel_width = temp_it.pixel_width; | |
1894 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1895 | } |
1896 | ||
1897 | ||
a168702a GM |
1898 | \f |
1899 | /*********************************************************************** | |
1900 | Faces | |
1901 | ***********************************************************************/ | |
1902 | ||
4e6ba4a4 GM |
1903 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1904 | one of the enumerators from enum no_color_bit, or a bit set built | |
1905 | from them. Some display attributes may not be used together with | |
1906 | color; the termcap capability `NC' specifies which ones. */ | |
1907 | ||
fca177d4 KL |
1908 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1909 | (tty->TN_max_colors > 0 \ | |
1910 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1911 | : 1) | |
a168702a | 1912 | |
072d84a6 RS |
1913 | /* Turn appearances of face FACE_ID on tty frame F on. |
1914 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1915 | |
1916 | static void | |
1917 | turn_on_face (f, face_id) | |
1918 | struct frame *f; | |
1919 | int face_id; | |
1920 | { | |
1921 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1922 | long fg = face->foreground; |
1923 | long bg = face->background; | |
28d7d09f | 1924 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1925 | |
86a7d192 GM |
1926 | /* Do this first because TS_end_standout_mode may be the same |
1927 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1928 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1929 | { |
fca177d4 | 1930 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1931 | { |
1932 | if (fg >= 0 && bg >= 0) | |
1933 | { | |
1934 | /* If the terminal supports colors, we can set them | |
1935 | below without using reverse video. The face's fg | |
1936 | and bg colors are set as they should appear on | |
1937 | the screen, i.e. they take the inverse-video'ness | |
1938 | of the face already into account. */ | |
1939 | } | |
1940 | else if (inverse_video) | |
1941 | { | |
1942 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1943 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1944 | tty_toggle_highlight (tty); |
86a7d192 GM |
1945 | } |
1946 | else | |
1947 | { | |
1948 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1949 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1950 | tty_toggle_highlight (tty); |
86a7d192 GM |
1951 | } |
1952 | } | |
1953 | else | |
1954 | { | |
1955 | /* If we can't display colors, use reverse video | |
1956 | if the face specifies that. */ | |
37526b42 GM |
1957 | if (inverse_video) |
1958 | { | |
1959 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1960 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1961 | tty_toggle_highlight (tty); |
37526b42 GM |
1962 | } |
1963 | else | |
1964 | { | |
1965 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1966 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1967 | tty_toggle_highlight (tty); |
37526b42 | 1968 | } |
86a7d192 GM |
1969 | } |
1970 | } | |
a168702a GM |
1971 | |
1972 | if (face->tty_bold_p) | |
4e6ba4a4 | 1973 | { |
fca177d4 KL |
1974 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1975 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1976 | } |
a168702a | 1977 | else if (face->tty_dim_p) |
fca177d4 KL |
1978 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1979 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1980 | |
1981 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1982 | if (face->tty_alt_charset_p |
fca177d4 KL |
1983 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1984 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1985 | |
4e6ba4a4 | 1986 | if (face->tty_blinking_p |
fca177d4 KL |
1987 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1988 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1989 | |
fca177d4 KL |
1990 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1991 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1992 | |
fca177d4 | 1993 | if (tty->TN_max_colors > 0) |
a168702a | 1994 | { |
753d161b | 1995 | char *ts, *p; |
177c0ea7 | 1996 | |
fbf34973 | 1997 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1998 | if (fg >= 0 && ts) |
a168702a | 1999 | { |
fbf34973 | 2000 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 2001 | OUTPUT (tty, p); |
a168702a GM |
2002 | xfree (p); |
2003 | } | |
2004 | ||
fbf34973 | 2005 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2006 | if (bg >= 0 && ts) |
a168702a | 2007 | { |
fbf34973 | 2008 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2009 | OUTPUT (tty, p); |
a168702a GM |
2010 | xfree (p); |
2011 | } | |
2012 | } | |
2013 | } | |
177c0ea7 | 2014 | |
a168702a GM |
2015 | |
2016 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2017 | ||
2018 | static void | |
2019 | turn_off_face (f, face_id) | |
2020 | struct frame *f; | |
2021 | int face_id; | |
2022 | { | |
2023 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2024 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2025 | |
2026 | xassert (face != NULL); | |
2027 | ||
fca177d4 | 2028 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2029 | { |
2030 | /* Capability "me" will turn off appearance modes double-bright, | |
2031 | half-bright, reverse-video, standout, underline. It may or | |
2032 | may not turn off alt-char-mode. */ | |
2033 | if (face->tty_bold_p | |
2034 | || face->tty_dim_p | |
2035 | || face->tty_reverse_p | |
2036 | || face->tty_alt_charset_p | |
2037 | || face->tty_blinking_p | |
2038 | || face->tty_underline_p) | |
65aa5e85 | 2039 | { |
fca177d4 KL |
2040 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2041 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2042 | tty->standout_mode = 0; | |
65aa5e85 | 2043 | } |
a168702a GM |
2044 | |
2045 | if (face->tty_alt_charset_p) | |
fca177d4 | 2046 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2047 | } |
2048 | else | |
2049 | { | |
2050 | /* If we don't have "me" we can only have those appearances | |
2051 | that have exit sequences defined. */ | |
2052 | if (face->tty_alt_charset_p) | |
fca177d4 | 2053 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2054 | |
54800acb | 2055 | if (face->tty_underline_p) |
fca177d4 | 2056 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2057 | } |
2058 | ||
2059 | /* Switch back to default colors. */ | |
fca177d4 | 2060 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2061 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2062 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2063 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2064 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2065 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2066 | } |
177c0ea7 JB |
2067 | |
2068 | ||
b63a55ac MB |
2069 | /* Return non-zero if the terminal on frame F supports all of the |
2070 | capabilities in CAPS simultaneously, with foreground and background | |
2071 | colors FG and BG. */ | |
2072 | ||
4a8130f2 | 2073 | int |
fca177d4 | 2074 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 2075 | struct tty_display_info *tty; |
b63a55ac MB |
2076 | unsigned caps; |
2077 | unsigned long fg, bg; | |
2078 | { | |
fca177d4 KL |
2079 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2080 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2081 | return 0; |
2082 | ||
fca177d4 KL |
2083 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2084 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2085 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2086 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2087 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2088 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2089 | |
2090 | /* We can do it! */ | |
2091 | return 1; | |
2092 | } | |
2093 | ||
a168702a GM |
2094 | /* Return non-zero if the terminal is capable to display colors. */ |
2095 | ||
2096 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2097 | 0, 1, 0, |
6ed8eeff KL |
2098 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2099 | ||
401e9e57 CY |
2100 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2101 | selected frame's terminal). This function always returns nil if | |
2102 | TERMINAL does not refer to a text-only terminal. */) | |
6ed8eeff KL |
2103 | (terminal) |
2104 | Lisp_Object terminal; | |
a168702a | 2105 | { |
717a00ef | 2106 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2107 | if (!t) |
428a555e | 2108 | return Qnil; |
3224dac1 | 2109 | else |
6ed8eeff | 2110 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2111 | } |
2112 | ||
bfa62f96 EZ |
2113 | /* Return the number of supported colors. */ |
2114 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2115 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2116 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2117 | ||
401e9e57 CY |
2118 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2119 | selected frame's terminal). This function always returns 0 if | |
2120 | TERMINAL does not refer to a text-only terminal. */) | |
6ed8eeff KL |
2121 | (terminal) |
2122 | Lisp_Object terminal; | |
bfa62f96 | 2123 | { |
717a00ef | 2124 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2125 | if (!t) |
8c8d5f35 | 2126 | return make_number (0); |
3224dac1 | 2127 | else |
6ed8eeff | 2128 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2129 | } |
2130 | ||
84704c5c | 2131 | #ifndef DOS_NT |
a168702a | 2132 | |
5205ee62 GM |
2133 | /* Declare here rather than in the function, as in the rest of Emacs, |
2134 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2135 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2136 | static int default_max_colors; |
2137 | static int default_max_pairs; | |
2138 | static int default_no_color_video; | |
2139 | static char *default_orig_pair; | |
2140 | static char *default_set_foreground; | |
2141 | static char *default_set_background; | |
fcf8ff2e | 2142 | |
ace28297 EZ |
2143 | /* Save or restore the default color-related capabilities of this |
2144 | terminal. */ | |
2145 | static void | |
28d7d09f | 2146 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2147 | { |
ace28297 EZ |
2148 | |
2149 | if (save) | |
2150 | { | |
70fdbb46 | 2151 | xfree (default_orig_pair); |
fca177d4 | 2152 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2153 | |
70fdbb46 | 2154 | xfree (default_set_foreground); |
fca177d4 | 2155 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2156 | : NULL; |
2157 | ||
70fdbb46 | 2158 | xfree (default_set_background); |
fca177d4 | 2159 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2160 | : NULL; |
2161 | ||
fca177d4 KL |
2162 | default_max_colors = tty->TN_max_colors; |
2163 | default_max_pairs = tty->TN_max_pairs; | |
2164 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2165 | } |
2166 | else | |
2167 | { | |
fca177d4 KL |
2168 | tty->TS_orig_pair = default_orig_pair; |
2169 | tty->TS_set_foreground = default_set_foreground; | |
2170 | tty->TS_set_background = default_set_background; | |
2171 | tty->TN_max_colors = default_max_colors; | |
2172 | tty->TN_max_pairs = default_max_pairs; | |
2173 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2174 | } |
2175 | } | |
2176 | ||
2177 | /* Setup one of the standard tty color schemes according to MODE. | |
2178 | MODE's value is generally the number of colors which we want to | |
2179 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2180 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2181 | static void |
28d7d09f | 2182 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2183 | { |
6b61353c KH |
2184 | /* Canonicalize all negative values of MODE. */ |
2185 | if (mode < -1) | |
2186 | mode = -1; | |
2187 | ||
ace28297 EZ |
2188 | switch (mode) |
2189 | { | |
2190 | case -1: /* no colors at all */ | |
fca177d4 KL |
2191 | tty->TN_max_colors = 0; |
2192 | tty->TN_max_pairs = 0; | |
2193 | tty->TN_no_color_video = 0; | |
2194 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2195 | break; |
2196 | case 0: /* default colors, if any */ | |
2197 | default: | |
fca177d4 | 2198 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2199 | break; |
2200 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2201 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2202 | #ifdef TERMINFO |
fca177d4 KL |
2203 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2204 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2205 | #else |
fca177d4 KL |
2206 | tty->TS_set_foreground = "\033[3%dm"; |
2207 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2208 | #endif |
fca177d4 KL |
2209 | tty->TN_max_colors = 8; |
2210 | tty->TN_max_pairs = 64; | |
2211 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2212 | break; |
2213 | } | |
2214 | } | |
2215 | ||
2216 | void | |
9b2cd403 SM |
2217 | set_tty_color_mode (tty, f) |
2218 | struct tty_display_info *tty; | |
ace28297 | 2219 | struct frame *f; |
ace28297 | 2220 | { |
9b2cd403 SM |
2221 | Lisp_Object tem, val, color_mode_spec; |
2222 | Lisp_Object color_mode; | |
2223 | int mode; | |
ace28297 | 2224 | extern Lisp_Object Qtty_color_mode; |
9b2cd403 SM |
2225 | Lisp_Object tty_color_mode_alist |
2226 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2227 | |
c23b5410 | 2228 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2229 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2230 | |
6b61353c | 2231 | if (INTEGERP (val)) |
ace28297 EZ |
2232 | color_mode = val; |
2233 | else | |
2234 | { | |
9b2cd403 SM |
2235 | tem = (NILP (tty_color_mode_alist) ? Qnil |
2236 | : Fassq (val, XSYMBOL (tty_color_mode_alist)->value)); | |
2237 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; | |
ace28297 | 2238 | } |
6b61353c | 2239 | |
9b2cd403 | 2240 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2241 | |
9b2cd403 | 2242 | if (mode != tty->previous_color_mode) |
ace28297 | 2243 | { |
9b2cd403 SM |
2244 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2245 | tty->previous_color_mode = mode; | |
2246 | tty_setup_colors (tty , mode); | |
2247 | /* This recomputes all the faces given the new color definitions. */ | |
2248 | safe_call (1, &funsym); | |
ace28297 EZ |
2249 | } |
2250 | } | |
2251 | ||
84704c5c | 2252 | #endif /* !DOS_NT */ |
a168702a GM |
2253 | |
2254 | \f | |
28d440ab | 2255 | |
6ed8eeff | 2256 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2257 | |
6ed8eeff | 2258 | struct terminal * |
717a00ef | 2259 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2260 | { |
717a00ef | 2261 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2262 | |
84704c5c | 2263 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2264 | { |
2265 | if (throw) | |
2266 | error ("Device %d is not a termcap terminal device", t->id); | |
2267 | else | |
2268 | return NULL; | |
2269 | } | |
b6660415 | 2270 | |
6ed8eeff | 2271 | return t; |
b6660415 KL |
2272 | } |
2273 | ||
ab797f65 KL |
2274 | /* Return an active termcap device that uses the tty device with the |
2275 | given name. | |
b6660415 | 2276 | |
7e59217d | 2277 | This function ignores suspended devices. |
da8e1115 KL |
2278 | |
2279 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2280 | |
6ed8eeff | 2281 | struct terminal * |
7e59217d | 2282 | get_named_tty (name) |
28d440ab KL |
2283 | char *name; |
2284 | { | |
6ed8eeff KL |
2285 | struct terminal *t; |
2286 | ||
ab797f65 KL |
2287 | if (!name) |
2288 | abort (); | |
2289 | ||
2290 | for (t = terminal_list; t; t = t->next_terminal) | |
2291 | { | |
5cc67f65 | 2292 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2293 | && !strcmp (t->display_info.tty->name, name) |
2294 | && TERMINAL_ACTIVE_P (t)) | |
2295 | return t; | |
2296 | } | |
28d440ab KL |
2297 | |
2298 | return 0; | |
2299 | } | |
2300 | ||
2301 | \f | |
6ed8eeff KL |
2302 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2303 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2304 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2305 | |
401e9e57 CY |
2306 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2307 | selected frame's terminal). */) | |
6ed8eeff KL |
2308 | (terminal) |
2309 | Lisp_Object terminal; | |
b6660415 | 2310 | { |
6ed8eeff | 2311 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2312 | |
84704c5c | 2313 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2314 | return Qnil; |
2315 | ||
6ed8eeff KL |
2316 | if (t->display_info.tty->type) |
2317 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2318 | else |
2319 | return Qnil; | |
2320 | } | |
2321 | ||
6ed8eeff | 2322 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2323 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2324 | |
401e9e57 CY |
2325 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2326 | selected frame's terminal). This function always returns nil if | |
2327 | TERMINAL is not on a tty device. */) | |
6ed8eeff KL |
2328 | (terminal) |
2329 | Lisp_Object terminal; | |
4a933ef8 | 2330 | { |
6ed8eeff | 2331 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2332 | |
84704c5c EZ |
2333 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2334 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2335 | return Qnil; |
2336 | else | |
2337 | return Qt; | |
2338 | } | |
2339 | ||
a3fbb897 | 2340 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2341 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2342 | This is used to override the terminfo data, for certain terminals that |
2343 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2344 | no effect if used on a non-tty terminal. |
a3fbb897 | 2345 | |
401e9e57 CY |
2346 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2347 | selected frame's terminal). This function always returns nil if | |
2348 | TERMINAL does not refer to a text-only terminal. */) | |
6ed8eeff KL |
2349 | (terminal) |
2350 | Lisp_Object terminal; | |
a3fbb897 | 2351 | { |
6ed8eeff | 2352 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2353 | |
6ed8eeff KL |
2354 | if (t->type == output_termcap) |
2355 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2356 | return Qnil; |
2357 | } | |
2358 | ||
ed8dad6b KL |
2359 | \f |
2360 | ||
2361 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2362 | doc: /* Suspend the terminal device TTY. | |
2363 | ||
2364 | The device is restored to its default state, and Emacs ceases all | |
2365 | access to the tty device. Frames that use the device are not deleted, | |
2366 | but input is not read from them and if they change, their display is | |
2367 | not updated. | |
2368 | ||
401e9e57 CY |
2369 | TTY may be a terminal object, a frame, or nil for the terminal device |
2370 | of the currently selected frame. | |
ed8dad6b | 2371 | |
e4019195 | 2372 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2373 | device. The functions are run with one arg, the id of the suspended |
2374 | terminal device. | |
2375 | ||
2376 | `suspend-tty' does nothing if it is called on a device that is already | |
2377 | suspended. | |
2378 | ||
2379 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2380 | (tty) | |
2381 | Lisp_Object tty; | |
2382 | { | |
717a00ef | 2383 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2384 | FILE *f; |
f4d953fc | 2385 | |
6ed8eeff | 2386 | if (!t) |
ed8dad6b KL |
2387 | error ("Unknown tty device"); |
2388 | ||
6ed8eeff | 2389 | f = t->display_info.tty->input; |
f4d953fc | 2390 | |
ed8dad6b KL |
2391 | if (f) |
2392 | { | |
23d4cba5 DN |
2393 | /* First run `suspend-tty-functions' and then clean up the tty |
2394 | state because `suspend-tty-functions' might need to change | |
2395 | the tty state. */ | |
2396 | if (!NILP (Vrun_hooks)) | |
2397 | { | |
2398 | Lisp_Object args[2]; | |
2399 | args[0] = intern ("suspend-tty-functions"); | |
2400 | XSETTERMINAL (args[1], t); | |
2401 | Frun_hook_with_args (2, args); | |
2402 | } | |
2403 | ||
6ed8eeff | 2404 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2405 | |
84704c5c | 2406 | #ifdef subprocesses |
ed8dad6b | 2407 | delete_keyboard_wait_descriptor (fileno (f)); |
84704c5c | 2408 | #endif |
f4d953fc | 2409 | |
84704c5c | 2410 | #ifndef MSDOS |
ed8dad6b | 2411 | fclose (f); |
6ed8eeff KL |
2412 | if (f != t->display_info.tty->output) |
2413 | fclose (t->display_info.tty->output); | |
84704c5c | 2414 | #endif |
f4d953fc | 2415 | |
6ed8eeff KL |
2416 | t->display_info.tty->input = 0; |
2417 | t->display_info.tty->output = 0; | |
ed8dad6b | 2418 | |
6ed8eeff KL |
2419 | if (FRAMEP (t->display_info.tty->top_frame)) |
2420 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2421 | |
ed8dad6b KL |
2422 | } |
2423 | ||
4a665758 KL |
2424 | /* Clear display hooks to prevent further output. */ |
2425 | clear_tty_hooks (t); | |
2426 | ||
ed8dad6b KL |
2427 | return Qnil; |
2428 | } | |
2429 | ||
2430 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2431 | doc: /* Resume the previously suspended terminal device TTY. | |
2432 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2433 | suspended terminal are revived. |
ed8dad6b | 2434 | |
6ed8eeff KL |
2435 | It is an error to resume a terminal while another terminal is active |
2436 | on the same device. | |
ed8dad6b | 2437 | |
e4019195 | 2438 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2439 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2440 | device. |
2441 | ||
2442 | `resume-tty' does nothing if it is called on a device that is not | |
2443 | suspended. | |
2444 | ||
401e9e57 CY |
2445 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2446 | frame's terminal). */) | |
ed8dad6b KL |
2447 | (tty) |
2448 | Lisp_Object tty; | |
2449 | { | |
717a00ef | 2450 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2451 | int fd; |
2452 | ||
6ed8eeff | 2453 | if (!t) |
ed8dad6b KL |
2454 | error ("Unknown tty device"); |
2455 | ||
6ed8eeff | 2456 | if (!t->display_info.tty->input) |
ed8dad6b | 2457 | { |
6ed8eeff | 2458 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2459 | error ("Cannot resume display while another display is active on the same device"); |
2460 | ||
84704c5c EZ |
2461 | #ifdef MSDOS |
2462 | t->display_info.tty->output = stdout; | |
2463 | t->display_info.tty->input = stdin; | |
2464 | #else /* !MSDOS */ | |
6ed8eeff | 2465 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2466 | |
59b3194c KL |
2467 | if (fd == -1) |
2468 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2469 | |
78048085 | 2470 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2471 | dissociate_if_controlling_tty (fd); |
78048085 | 2472 | |
6ed8eeff KL |
2473 | t->display_info.tty->output = fdopen (fd, "w+"); |
2474 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2475 | #endif |
78048085 | 2476 | |
84704c5c | 2477 | #ifdef subprocesses |
ed8dad6b | 2478 | add_keyboard_wait_descriptor (fd); |
84704c5c | 2479 | #endif |
ed8dad6b | 2480 | |
6ed8eeff | 2481 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2482 | { |
2483 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2484 | int width, height; | |
2485 | int old_height = FRAME_COLS (f); | |
2486 | int old_width = FRAME_LINES (f); | |
2487 | ||
2488 | /* Check if terminal/window size has changed while the frame | |
2489 | was suspended. */ | |
2490 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2491 | if (width != old_width || height != old_height) | |
2492 | change_frame_size (f, height, width, 0, 0, 0); | |
2493 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2494 | } | |
ed8dad6b | 2495 | |
6ed8eeff | 2496 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2497 | |
e4019195 | 2498 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2499 | if (!NILP (Vrun_hooks)) |
2500 | { | |
2501 | Lisp_Object args[2]; | |
e4019195 | 2502 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2503 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2504 | Frun_hook_with_args (2, args); |
2505 | } | |
2506 | } | |
2507 | ||
4a665758 KL |
2508 | set_tty_hooks (t); |
2509 | ||
ed8dad6b KL |
2510 | return Qnil; |
2511 | } | |
a3fbb897 | 2512 | |
819b8f00 | 2513 | \f |
e882229c NR |
2514 | /*********************************************************************** |
2515 | Mouse | |
2516 | ***********************************************************************/ | |
2517 | ||
7e5a23bd | 2518 | #ifdef HAVE_GPM |
5faa03ba RS |
2519 | void |
2520 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2521 | { |
1ec5dc77 | 2522 | /* TODO: how to set mouse position? |
94da14a0 NR |
2523 | const char *name; |
2524 | int fd; | |
2525 | name = (const char *) ttyname (0); | |
2526 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2527 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2528 | close (fd); |
2529 | last_mouse_x = x; | |
80fb2ce0 | 2530 | last_mouse_y = y; */ |
94da14a0 NR |
2531 | } |
2532 | ||
e882229c NR |
2533 | static void |
2534 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2535 | { | |
6178ce5e | 2536 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2537 | int save_x, save_y; |
1ec5dc77 | 2538 | int i; |
e882229c | 2539 | |
7be1c21a MB |
2540 | struct frame *f = XFRAME (w->frame); |
2541 | struct tty_display_info *tty = FRAME_TTY (f); | |
2542 | ||
e882229c NR |
2543 | if (/* If window is in the process of being destroyed, don't bother |
2544 | to do anything. */ | |
2545 | w->current_matrix != NULL | |
2546 | /* Recognize when we are called to operate on rows that don't exist | |
2547 | anymore. This can happen when a window is split. */ | |
2548 | && mouse_face_end_row < w->current_matrix->nrows) | |
2549 | { | |
2550 | /* write_glyphs writes at cursor position, so we need to | |
2551 | temporarily move cursor coordinates to the beginning of | |
2552 | the highlight region. */ | |
f4d953fc | 2553 | |
e882229c | 2554 | /* Save current cursor co-ordinates */ |
7be1c21a MB |
2555 | save_y = curY (tty); |
2556 | save_x = curX (tty); | |
e882229c NR |
2557 | |
2558 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2559 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2560 | { | |
2561 | int start_hpos, end_hpos, nglyphs; | |
2562 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2563 | ||
2564 | /* Don't do anything if row doesn't have valid contents. */ | |
2565 | if (!row->enabled_p) | |
2566 | continue; | |
2567 | ||
2568 | /* For all but the first row, the highlight starts at column 0. */ | |
2569 | if (i == mouse_face_beg_row) | |
2570 | start_hpos = mouse_face_beg_col; | |
2571 | else | |
2572 | start_hpos = 0; | |
2573 | ||
2574 | if (i == mouse_face_end_row) | |
2575 | end_hpos = mouse_face_end_col; | |
2576 | else | |
2577 | { | |
2578 | end_hpos = row->used[TEXT_AREA]; | |
2579 | if (draw == DRAW_NORMAL_TEXT) | |
2580 | row->fill_line_p = 1; /* Clear to end of line */ | |
2581 | } | |
2582 | ||
2583 | if (end_hpos <= start_hpos) | |
2584 | continue; | |
2585 | /* Record that some glyphs of this row are displayed in | |
2586 | mouse-face. */ | |
2587 | row->mouse_face_p = draw > 0; | |
2588 | ||
2589 | nglyphs = end_hpos - start_hpos; | |
2590 | ||
2591 | if (end_hpos >= row->used[TEXT_AREA]) | |
2592 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2593 | ||
2594 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2595 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2596 | + WINDOW_LEFT_EDGE_X (w); | |
f4d953fc | 2597 | |
7be1c21a | 2598 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2599 | |
2600 | if (draw == DRAW_MOUSE_FACE) | |
2601 | { | |
7be1c21a | 2602 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2603 | nglyphs, mouse_face_face_id); |
2604 | } | |
2605 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2606 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2607 | } |
7be1c21a | 2608 | cursor_to (f, save_y, save_x); |
e882229c NR |
2609 | } |
2610 | } | |
2611 | ||
2612 | static void | |
2613 | term_clear_mouse_face () | |
2614 | { | |
6178ce5e | 2615 | if (!NILP (mouse_face_window)) |
e882229c NR |
2616 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2617 | ||
2618 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2619 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2620 | mouse_face_window = Qnil; |
e882229c NR |
2621 | } |
2622 | ||
2623 | /* Find the glyph matrix position of buffer position POS in window W. | |
2624 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2625 | must be up to date. If POS is above window start return (0, 0). | |
2626 | If POS is after end of W, return end of last line in W. | |
2627 | - taken from msdos.c */ | |
2628 | static int | |
2629 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2630 | { | |
2631 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2632 | int yb = window_text_bottom_y (w); | |
2633 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2634 | ||
2635 | while (row->y < yb) | |
2636 | { | |
2637 | if (row->used[TEXT_AREA]) | |
2638 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2639 | else | |
2640 | line_start_position = 0; | |
2641 | ||
2642 | if (line_start_position > pos) | |
2643 | break; | |
2644 | /* If the position sought is the end of the buffer, | |
2645 | don't include the blank lines at the bottom of the window. */ | |
2646 | else if (line_start_position == pos | |
2647 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2648 | { | |
2649 | maybe_next_line_p = 1; | |
2650 | break; | |
2651 | } | |
2652 | else if (line_start_position > 0) | |
2653 | best_row = row; | |
2654 | ||
2655 | /* Don't overstep the last matrix row, lest we get into the | |
2656 | never-never land... */ | |
2657 | if (row->y + 1 >= yb) | |
2658 | break; | |
2659 | ||
2660 | ++row; | |
2661 | } | |
2662 | ||
2663 | /* Find the right column within BEST_ROW. */ | |
2664 | lastcol = 0; | |
2665 | row = best_row; | |
2666 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2667 | { | |
2668 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2669 | int charpos; | |
2670 | ||
2671 | charpos = glyph->charpos; | |
2672 | if (charpos == pos) | |
2673 | { | |
2674 | *hpos = i; | |
2675 | *vpos = row->y; | |
2676 | return 1; | |
2677 | } | |
2678 | else if (charpos > pos) | |
2679 | break; | |
2680 | else if (charpos > 0) | |
2681 | lastcol = i; | |
2682 | } | |
2683 | ||
2684 | /* If we're looking for the end of the buffer, | |
2685 | and we didn't find it in the line we scanned, | |
2686 | use the start of the following line. */ | |
2687 | if (maybe_next_line_p) | |
2688 | { | |
2689 | ++row; | |
2690 | lastcol = 0; | |
2691 | } | |
2692 | ||
2693 | *vpos = row->y; | |
2694 | *hpos = lastcol + 1; | |
2695 | return 0; | |
2696 | } | |
2697 | ||
2698 | static void | |
2699 | term_mouse_highlight (struct frame *f, int x, int y) | |
2700 | { | |
2701 | enum window_part part; | |
2702 | Lisp_Object window; | |
2703 | struct window *w; | |
2704 | struct buffer *b; | |
2705 | ||
2706 | if (NILP (Vmouse_highlight) | |
2707 | || !f->glyphs_initialized_p) | |
2708 | return; | |
2709 | ||
e882229c NR |
2710 | /* Which window is that in? */ |
2711 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2712 | ||
2713 | /* Not on a window -> return. */ | |
2714 | if (!WINDOWP (window)) | |
2715 | return; | |
2716 | ||
6178ce5e | 2717 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2718 | term_clear_mouse_face (); |
2719 | ||
2720 | w = XWINDOW (window); | |
2721 | ||
2722 | /* Are we in a window whose display is up to date? | |
2723 | And verify the buffer's text has not changed. */ | |
2724 | b = XBUFFER (w->buffer); | |
2725 | if (part == ON_TEXT | |
2726 | && EQ (w->window_end_valid, w->buffer) | |
2727 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2728 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2729 | { | |
2730 | int pos, i, nrows = w->current_matrix->nrows; | |
2731 | struct glyph_row *row; | |
2732 | struct glyph *glyph; | |
2733 | ||
2734 | /* Find the glyph under X/Y. */ | |
2735 | glyph = NULL; | |
2736 | if (y >= 0 && y < nrows) | |
2737 | { | |
2738 | row = MATRIX_ROW (w->current_matrix, y); | |
2739 | /* Give up if some row before the one we are looking for is | |
2740 | not enabled. */ | |
2741 | for (i = 0; i <= y; i++) | |
2742 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2743 | break; | |
2744 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2745 | && row->displays_text_p | |
2746 | && x < window_box_width (w, TEXT_AREA)) | |
2747 | { | |
2748 | glyph = row->glyphs[TEXT_AREA]; | |
2749 | if (x >= row->used[TEXT_AREA]) | |
2750 | glyph = NULL; | |
2751 | else | |
2752 | { | |
2753 | glyph += x; | |
2754 | if (!BUFFERP (glyph->object)) | |
2755 | glyph = NULL; | |
2756 | } | |
2757 | } | |
2758 | } | |
2759 | ||
2760 | /* Clear mouse face if X/Y not over text. */ | |
2761 | if (glyph == NULL) | |
2762 | { | |
2763 | term_clear_mouse_face (); | |
2764 | return; | |
2765 | } | |
2766 | ||
2767 | if (!BUFFERP (glyph->object)) | |
2768 | abort (); | |
2769 | pos = glyph->charpos; | |
2770 | ||
2771 | /* Check for mouse-face. */ | |
2772 | { | |
2773 | extern Lisp_Object Qmouse_face; | |
2774 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
3b8c0c70 | 2775 | int noverlays, obegv, ozv; |
e882229c NR |
2776 | struct buffer *obuf; |
2777 | ||
2778 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2779 | if (pos > BUF_Z (b)) | |
2780 | return; | |
2781 | ||
2782 | /* Make the window's buffer temporarily current for | |
2783 | overlays_at and compute_char_face. */ | |
2784 | obuf = current_buffer; | |
2785 | current_buffer = b; | |
2786 | obegv = BEGV; | |
2787 | ozv = ZV; | |
2788 | BEGV = BEG; | |
2789 | ZV = Z; | |
2790 | ||
2791 | /* Is this char mouse-active? */ | |
2792 | XSETINT (position, pos); | |
2793 | ||
2794 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2795 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2796 | /* Sort overlays into increasing priority order. */ | |
2797 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2798 | ||
2799 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2800 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2801 | && y >= mouse_face_beg_row |
2802 | && y <= mouse_face_end_row | |
2803 | && (y > mouse_face_beg_row | |
2804 | || x >= mouse_face_beg_col) | |
2805 | && (y < mouse_face_end_row | |
2806 | || x < mouse_face_end_col | |
2807 | || mouse_face_past_end))) | |
2808 | { | |
2809 | /* Clear the display of the old active region, if any. */ | |
2810 | term_clear_mouse_face (); | |
2811 | ||
2812 | /* Find the highest priority overlay that has a mouse-face | |
2813 | property. */ | |
2814 | overlay = Qnil; | |
2815 | for (i = noverlays - 1; i >= 0; --i) | |
2816 | { | |
2817 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2818 | if (!NILP (mouse_face)) | |
2819 | { | |
2820 | overlay = overlay_vec[i]; | |
2821 | break; | |
2822 | } | |
2823 | } | |
2824 | ||
2825 | /* If no overlay applies, get a text property. */ | |
2826 | if (NILP (overlay)) | |
2827 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2828 | w->buffer); | |
2829 | ||
2830 | /* Handle the overlay case. */ | |
2831 | if (!NILP (overlay)) | |
2832 | { | |
2833 | /* Find the range of text around this char that | |
2834 | should be active. */ | |
2835 | Lisp_Object before, after; | |
0f8b27ea | 2836 | EMACS_INT ignore; |
e882229c NR |
2837 | |
2838 | ||
2839 | before = Foverlay_start (overlay); | |
2840 | after = Foverlay_end (overlay); | |
2841 | /* Record this as the current active region. */ | |
2842 | fast_find_position (w, XFASTINT (before), | |
2843 | &mouse_face_beg_col, | |
2844 | &mouse_face_beg_row); | |
2845 | ||
2846 | mouse_face_past_end | |
2847 | = !fast_find_position (w, XFASTINT (after), | |
2848 | &mouse_face_end_col, | |
2849 | &mouse_face_end_row); | |
6178ce5e | 2850 | mouse_face_window = window; |
e882229c NR |
2851 | |
2852 | mouse_face_face_id | |
2853 | = face_at_buffer_position (w, pos, 0, 0, | |
2854 | &ignore, pos + 1, 1); | |
2855 | ||
2856 | /* Display it as active. */ | |
2857 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2858 | } | |
2859 | /* Handle the text property case. */ | |
2860 | else if (!NILP (mouse_face)) | |
2861 | { | |
2862 | /* Find the range of text around this char that | |
2863 | should be active. */ | |
2864 | Lisp_Object before, after, beginning, end; | |
0f8b27ea | 2865 | EMACS_INT ignore; |
e882229c NR |
2866 | |
2867 | beginning = Fmarker_position (w->start); | |
2868 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2869 | before | |
2870 | = Fprevious_single_property_change (make_number (pos + 1), | |
2871 | Qmouse_face, | |
2872 | w->buffer, beginning); | |
2873 | after | |
2874 | = Fnext_single_property_change (position, Qmouse_face, | |
2875 | w->buffer, end); | |
2876 | ||
2877 | /* Record this as the current active region. */ | |
2878 | fast_find_position (w, XFASTINT (before), | |
2879 | &mouse_face_beg_col, | |
2880 | &mouse_face_beg_row); | |
2881 | mouse_face_past_end | |
2882 | = !fast_find_position (w, XFASTINT (after), | |
2883 | &mouse_face_end_col, | |
2884 | &mouse_face_end_row); | |
6178ce5e | 2885 | mouse_face_window = window; |
e882229c NR |
2886 | |
2887 | mouse_face_face_id | |
2888 | = face_at_buffer_position (w, pos, 0, 0, | |
2889 | &ignore, pos + 1, 1); | |
2890 | ||
2891 | /* Display it as active. */ | |
2892 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2893 | } | |
2894 | } | |
2895 | ||
2896 | /* Look for a `help-echo' property. */ | |
2897 | { | |
2898 | Lisp_Object help; | |
2899 | extern Lisp_Object Qhelp_echo; | |
2900 | ||
2901 | /* Check overlays first. */ | |
2902 | help = Qnil; | |
2903 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2904 | { | |
2905 | overlay = overlay_vec[i]; | |
2906 | help = Foverlay_get (overlay, Qhelp_echo); | |
2907 | } | |
2908 | ||
2909 | if (!NILP (help)) | |
2910 | { | |
2911 | help_echo_string = help; | |
2912 | help_echo_window = window; | |
2913 | help_echo_object = overlay; | |
2914 | help_echo_pos = pos; | |
2915 | } | |
2916 | /* Try text properties. */ | |
2917 | else if (NILP (help) | |
2918 | && ((STRINGP (glyph->object) | |
2919 | && glyph->charpos >= 0 | |
2920 | && glyph->charpos < SCHARS (glyph->object)) | |
2921 | || (BUFFERP (glyph->object) | |
2922 | && glyph->charpos >= BEGV | |
2923 | && glyph->charpos < ZV))) | |
2924 | { | |
2925 | help = Fget_text_property (make_number (glyph->charpos), | |
2926 | Qhelp_echo, glyph->object); | |
2927 | if (!NILP (help)) | |
2928 | { | |
2929 | help_echo_string = help; | |
2930 | help_echo_window = window; | |
2931 | help_echo_object = glyph->object; | |
2932 | help_echo_pos = glyph->charpos; | |
2933 | } | |
2934 | } | |
2935 | } | |
2936 | ||
2937 | BEGV = obegv; | |
2938 | ZV = ozv; | |
2939 | current_buffer = obuf; | |
2940 | } | |
2941 | } | |
2942 | } | |
2943 | ||
2944 | static int | |
2945 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2946 | { | |
2947 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2948 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2949 | { | |
2950 | frame->mouse_moved = 1; | |
80fb2ce0 | 2951 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2952 | /* Remember which glyph we're now on. */ |
2953 | last_mouse_x = event->x; | |
2954 | last_mouse_y = event->y; | |
2955 | return 1; | |
2956 | } | |
2957 | return 0; | |
2958 | } | |
2959 | ||
2960 | /* Return the current position of the mouse. | |
2961 | ||
2962 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2963 | Emacs frame. If it is set to zero, all the other arguments are | |
2964 | garbage. | |
2965 | ||
2966 | Set *bar_window to Qnil, and *x and *y to the column and | |
2967 | row of the character cell the mouse is over. | |
2968 | ||
2969 | Set *time to the time the mouse was at the returned position. | |
2970 | ||
80fb2ce0 | 2971 | This clears mouse_moved until the next motion |
94da14a0 | 2972 | event arrives. */ |
e882229c NR |
2973 | static void |
2974 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2975 | enum scroll_bar_part *part, Lisp_Object *x, | |
2976 | Lisp_Object *y, unsigned long *time) | |
2977 | { | |
e882229c | 2978 | struct timeval now; |
e882229c NR |
2979 | |
2980 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2981 | (*fp)->mouse_moved = 0; |
e882229c NR |
2982 | |
2983 | *bar_window = Qnil; | |
2984 | *part = 0; | |
2985 | ||
80fb2ce0 | 2986 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2987 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2988 | gettimeofday(&now, 0); |
2989 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2990 | } |
2991 | ||
2992 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2993 | ||
2994 | If the event is a button press, then note that we have grabbed | |
2995 | the mouse. */ | |
2996 | ||
2997 | static Lisp_Object | |
2998 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2999 | struct frame *f) | |
3000 | { | |
3001 | struct timeval now; | |
3002 | int i, j; | |
3003 | ||
3004 | result->kind = GPM_CLICK_EVENT; | |
3005 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
3006 | { | |
3007 | if (event->buttons & j) { | |
3008 | result->code = i; /* button number */ | |
3009 | break; | |
3010 | } | |
3011 | } | |
3012 | gettimeofday(&now, 0); | |
3013 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
3014 | ||
3015 | if (event->type & GPM_UP) | |
3016 | result->modifiers = up_modifier; | |
3017 | else if (event->type & GPM_DOWN) | |
3018 | result->modifiers = down_modifier; | |
3019 | else | |
3020 | result->modifiers = 0; | |
f4d953fc | 3021 | |
e882229c NR |
3022 | if (event->type & GPM_SINGLE) |
3023 | result->modifiers |= click_modifier; | |
f4d953fc | 3024 | |
e882229c NR |
3025 | if (event->type & GPM_DOUBLE) |
3026 | result->modifiers |= double_modifier; | |
3027 | ||
3028 | if (event->type & GPM_TRIPLE) | |
3029 | result->modifiers |= triple_modifier; | |
3030 | ||
3031 | if (event->type & GPM_DRAG) | |
3032 | result->modifiers |= drag_modifier; | |
3033 | ||
80fb2ce0 | 3034 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
3035 | |
3036 | /* 1 << KG_SHIFT */ | |
3037 | if (event->modifiers & (1 << 0)) | |
3038 | result->modifiers |= shift_modifier; | |
3039 | ||
3040 | /* 1 << KG_CTRL */ | |
3041 | if (event->modifiers & (1 << 2)) | |
3042 | result->modifiers |= ctrl_modifier; | |
3043 | ||
3044 | /* 1 << KG_ALT || KG_ALTGR */ | |
3045 | if (event->modifiers & (1 << 3) | |
3046 | || event->modifiers & (1 << 1)) | |
3047 | result->modifiers |= meta_modifier; | |
3048 | } | |
3049 | ||
80fb2ce0 NR |
3050 | XSETINT (result->x, event->x); |
3051 | XSETINT (result->y, event->y); | |
e882229c NR |
3052 | XSETFRAME (result->frame_or_window, f); |
3053 | result->arg = Qnil; | |
3054 | return Qnil; | |
3055 | } | |
3056 | ||
f4d953fc | 3057 | int |
7be1c21a | 3058 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 3059 | { |
7be1c21a | 3060 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
3061 | struct input_event ie; |
3062 | int do_help = 0; | |
3063 | int count = 0; | |
3064 | ||
3065 | EVENT_INIT (ie); | |
3066 | ie.kind = NO_EVENT; | |
3067 | ie.arg = Qnil; | |
3068 | ||
80fb2ce0 | 3069 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
3070 | previous_help_echo_string = help_echo_string; |
3071 | help_echo_string = Qnil; | |
3072 | ||
6178ce5e | 3073 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 3074 | |
80fb2ce0 NR |
3075 | if (!term_mouse_movement (f, event)) |
3076 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
3077 | |
3078 | /* If the contents of the global variable help_echo_string | |
3079 | has changed, generate a HELP_EVENT. */ | |
3080 | if (!NILP (help_echo_string) | |
3081 | || !NILP (previous_help_echo_string)) | |
3082 | do_help = 1; | |
3083 | ||
3084 | goto done; | |
3085 | } | |
3086 | else { | |
3087 | f->mouse_moved = 0; | |
3088 | term_mouse_click (&ie, event, f); | |
e882229c NR |
3089 | } |
3090 | ||
3091 | done: | |
3092 | if (ie.kind != NO_EVENT) | |
3093 | { | |
3094 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
3095 | count++; | |
3096 | } | |
3097 | ||
3098 | if (do_help | |
3099 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
3100 | { | |
3101 | Lisp_Object frame; | |
3102 | ||
3103 | if (f) | |
3104 | XSETFRAME (frame, f); | |
3105 | else | |
3106 | frame = Qnil; | |
3107 | ||
3108 | gen_help_event (help_echo_string, frame, help_echo_window, | |
3109 | help_echo_object, help_echo_pos); | |
3110 | count++; | |
3111 | } | |
3112 | ||
3113 | return count; | |
3114 | } | |
3115 | ||
6178ce5e | 3116 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 3117 | 0, 0, 0, |
71f44e7a | 3118 | doc: /* Open a connection to Gpm. |
6178ce5e | 3119 | Gpm-mouse can only be activated for one tty at a time. */) |
e882229c NR |
3120 | () |
3121 | { | |
71f44e7a SM |
3122 | struct frame *f = SELECTED_FRAME (); |
3123 | struct tty_display_info *tty | |
3124 | = ((f)->output_method == output_termcap | |
3125 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
3126 | Gpm_Connect connection; |
3127 | ||
6178ce5e SM |
3128 | if (!tty) |
3129 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
3130 | if (gpm_tty == tty) |
3131 | return Qnil; /* Already activated, nothing to do. */ | |
3132 | if (gpm_tty) | |
3133 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 3134 | |
e882229c NR |
3135 | connection.eventMask = ~0; |
3136 | connection.defaultMask = ~GPM_HARD; | |
3137 | connection.maxMod = ~0; | |
3138 | connection.minMod = 0; | |
80fb2ce0 | 3139 | gpm_zerobased = 1; |
e882229c NR |
3140 | |
3141 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 3142 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
3143 | else |
3144 | { | |
71f44e7a | 3145 | gpm_tty = tty; |
1023cbed SM |
3146 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
3147 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
3148 | before calling init_sys_modes. */ | |
7be1c21a MB |
3149 | reset_sys_modes (tty); |
3150 | init_sys_modes (tty); | |
e882229c | 3151 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 3152 | return Qnil; |
e882229c NR |
3153 | } |
3154 | } | |
3155 | ||
ed5ff21d | 3156 | void |
d347e494 | 3157 | close_gpm (int fd) |
ed5ff21d | 3158 | { |
d347e494 SM |
3159 | if (fd >= 0) |
3160 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
3161 | while (Gpm_Close()); /* close all the stack */ |
3162 | gpm_tty = NULL; | |
3163 | } | |
3164 | ||
6178ce5e | 3165 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
3166 | 0, 0, 0, |
3167 | doc: /* Close a connection to Gpm. */) | |
3168 | () | |
3169 | { | |
4ce5ab77 SM |
3170 | struct frame *f = SELECTED_FRAME (); |
3171 | struct tty_display_info *tty | |
3172 | = ((f)->output_method == output_termcap | |
3173 | ? (f)->terminal->display_info.tty : NULL); | |
3174 | ||
3175 | if (!tty || gpm_tty != tty) | |
3176 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 3177 | |
d347e494 | 3178 | close_gpm (gpm_fd); |
6178ce5e | 3179 | return Qnil; |
e882229c | 3180 | } |
7e5a23bd | 3181 | #endif /* HAVE_GPM */ |
e882229c NR |
3182 | |
3183 | \f | |
a168702a GM |
3184 | /*********************************************************************** |
3185 | Initialization | |
3186 | ***********************************************************************/ | |
3187 | ||
ed8dad6b KL |
3188 | /* Initialize the tty-dependent part of frame F. The frame must |
3189 | already have its device initialized. */ | |
3224dac1 | 3190 | |
dfcf069d | 3191 | void |
ed8dad6b | 3192 | create_tty_output (struct frame *f) |
28d440ab | 3193 | { |
ed8dad6b KL |
3194 | struct tty_output *t; |
3195 | ||
3196 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3197 | abort (); |
3198 | ||
ed8dad6b KL |
3199 | t = xmalloc (sizeof (struct tty_output)); |
3200 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 3201 | |
6ed8eeff | 3202 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3203 | |
ed8dad6b | 3204 | f->output_data.tty = t; |
3224dac1 KL |
3205 | } |
3206 | ||
9f215d25 | 3207 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3208 | |
ed8dad6b | 3209 | static void |
9f215d25 | 3210 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3211 | { |
ed8dad6b | 3212 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3213 | abort (); |
3214 | ||
9f215d25 CY |
3215 | if (FRAME_FACE_CACHE (f)) |
3216 | free_frame_faces (f); | |
3217 | ||
ed8dad6b | 3218 | xfree (f->output_data.tty); |
28d440ab KL |
3219 | } |
3220 | ||
ed8dad6b | 3221 | \f |
47cc8819 | 3222 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3223 | |
4a665758 KL |
3224 | static void |
3225 | clear_tty_hooks (struct terminal *terminal) | |
3226 | { | |
3227 | terminal->rif = 0; | |
3228 | terminal->cursor_to_hook = 0; | |
3229 | terminal->raw_cursor_to_hook = 0; | |
3230 | terminal->clear_to_end_hook = 0; | |
3231 | terminal->clear_frame_hook = 0; | |
3232 | terminal->clear_end_of_line_hook = 0; | |
3233 | terminal->ins_del_lines_hook = 0; | |
3234 | terminal->insert_glyphs_hook = 0; | |
3235 | terminal->write_glyphs_hook = 0; | |
3236 | terminal->delete_glyphs_hook = 0; | |
3237 | terminal->ring_bell_hook = 0; | |
3238 | terminal->reset_terminal_modes_hook = 0; | |
3239 | terminal->set_terminal_modes_hook = 0; | |
3240 | terminal->update_begin_hook = 0; | |
3241 | terminal->update_end_hook = 0; | |
3242 | terminal->set_terminal_window_hook = 0; | |
3243 | terminal->mouse_position_hook = 0; | |
3244 | terminal->frame_rehighlight_hook = 0; | |
3245 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3246 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3247 | terminal->set_vertical_scroll_bar_hook = 0; |
3248 | terminal->condemn_scroll_bars_hook = 0; | |
3249 | terminal->redeem_scroll_bar_hook = 0; | |
3250 | terminal->judge_scroll_bars_hook = 0; | |
3251 | terminal->read_socket_hook = 0; | |
3252 | terminal->frame_up_to_date_hook = 0; | |
3253 | ||
3254 | /* Leave these two set, or suspended frames are not deleted | |
3255 | correctly. */ | |
9f215d25 | 3256 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3257 | terminal->delete_terminal_hook = &delete_tty; |
3258 | } | |
3259 | ||
47cc8819 DN |
3260 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3261 | ||
4a665758 KL |
3262 | static void |
3263 | set_tty_hooks (struct terminal *terminal) | |
3264 | { | |
3265 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3266 | ||
3267 | terminal->cursor_to_hook = &tty_cursor_to; | |
3268 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3269 | ||
3270 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3271 | terminal->clear_frame_hook = &tty_clear_frame; | |
3272 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3273 | ||
3274 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3275 | ||
3276 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3277 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3278 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3279 | ||
3280 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3281 | |
4a665758 KL |
3282 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3283 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3284 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3285 | terminal->update_end_hook = &tty_update_end; | |
3286 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3287 | ||
3288 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3289 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3290 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3291 | ||
3292 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3293 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3294 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3295 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3296 | ||
3297 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3298 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3299 | |
9f215d25 | 3300 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3301 | terminal->delete_terminal_hook = &delete_tty; |
3302 | } | |
3303 | ||
03a1d6bd | 3304 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3305 | static void |
03a1d6bd KL |
3306 | dissociate_if_controlling_tty (int fd) |
3307 | { | |
84704c5c | 3308 | #ifndef DOS_NT |
03a1d6bd | 3309 | int pgid; |
8516815b | 3310 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3311 | if (pgid != -1) |
3312 | { | |
8516815b | 3313 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
3314 | setpgrp (); |
3315 | no_controlling_tty = 1; | |
de52dcbb DN |
3316 | #elif defined (CYGWIN) |
3317 | setsid (); | |
3318 | no_controlling_tty = 1; | |
03a1d6bd KL |
3319 | #else |
3320 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3321 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3322 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3323 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3324 | { | |
3325 | no_controlling_tty = 1; | |
3326 | } | |
3327 | if (fd != -1) | |
3328 | emacs_close (fd); | |
3329 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3330 | #else |
8516815b KL |
3331 | /* Unknown system. */ |
3332 | croak (); | |
03a1d6bd KL |
3333 | #endif /* ! TIOCNOTTY */ |
3334 | #endif /* ! USG */ | |
71a96040 | 3335 | } |
84704c5c | 3336 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3337 | } |
3338 | ||
520c4dfd KL |
3339 | static void maybe_fatal(); |
3340 | ||
3224dac1 KL |
3341 | /* Create a termcap display on the tty device with the given name and |
3342 | type. | |
3343 | ||
ab797f65 | 3344 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3345 | Otherwise NAME should be a path to the tty device file, |
3346 | e.g. "/dev/pts/7". | |
28d440ab | 3347 | |
3224dac1 KL |
3348 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3349 | ||
3350 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3351 | |
6ed8eeff | 3352 | struct terminal * |
a4c6993d | 3353 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3354 | { |
59b3194c | 3355 | char *area = NULL; |
08a24c47 | 3356 | char **address = &area; |
6b61353c | 3357 | int buffer_size = 4096; |
59b3194c | 3358 | register char *p = NULL; |
08a24c47 | 3359 | int status; |
59b3194c KL |
3360 | struct tty_display_info *tty = NULL; |
3361 | struct terminal *terminal = NULL; | |
3362 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3363 | |
3224dac1 | 3364 | if (!terminal_type) |
d31eee5e | 3365 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3366 | "Unknown terminal type", |
3367 | "Unknown terminal type"); | |
b6660415 | 3368 | |
ab797f65 | 3369 | if (name == NULL) |
78048085 EZ |
3370 | name = DEV_TTY; |
3371 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3372 | ctty = 1; |
3373 | ||
6ed8eeff KL |
3374 | /* If we already have a terminal on the given device, use that. If |
3375 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3376 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3377 | always create a new terminal and separating terminal and frame |
b6660415 | 3378 | creation on Lisp level. */ |
6ed8eeff KL |
3379 | terminal = get_named_tty (name); |
3380 | if (terminal) | |
3381 | return terminal; | |
78048085 | 3382 | |
6ed8eeff | 3383 | terminal = create_terminal (); |
84704c5c EZ |
3384 | #ifdef MSDOS |
3385 | if (been_here > 0) | |
d31eee5e | 3386 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3387 | name, ""); |
3388 | been_here = 1; | |
3389 | tty = &the_only_display_info; | |
3390 | #else | |
3224dac1 | 3391 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3392 | #endif |
3224dac1 KL |
3393 | bzero (tty, sizeof (struct tty_display_info)); |
3394 | tty->next = tty_list; | |
3395 | tty_list = tty; | |
428a555e | 3396 | |
6ed8eeff KL |
3397 | terminal->type = output_termcap; |
3398 | terminal->display_info.tty = tty; | |
3399 | tty->terminal = terminal; | |
28d440ab | 3400 | |
7b00d185 KL |
3401 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3402 | Wcm_clear (tty); | |
daf01701 | 3403 | |
84704c5c | 3404 | #ifndef DOS_NT |
4a665758 | 3405 | set_tty_hooks (terminal); |
78048085 | 3406 | |
59b3194c KL |
3407 | { |
3408 | int fd; | |
3409 | FILE *file; | |
0c72d684 KL |
3410 | |
3411 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3412 | if (!ctty) |
0c72d684 KL |
3413 | /* Open the terminal device. Don't recognize it as our |
3414 | controlling terminal, and don't make it the controlling tty | |
3415 | if we don't have one at the moment. */ | |
3416 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3417 | else |
0c72d684 | 3418 | #else |
2666355c | 3419 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3420 | defined on Hurd. On other systems, we need to explicitly |
3421 | dissociate ourselves from the controlling tty when we want to | |
3422 | open a frame on the same terminal. */ | |
0c72d684 | 3423 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3424 | #endif /* O_IGNORE_CTTY */ |
3425 | ||
97c6058a DN |
3426 | tty->name = xstrdup (name); |
3427 | terminal->name = xstrdup (name); | |
3428 | ||
59b3194c | 3429 | if (fd < 0) |
d31eee5e | 3430 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3431 | "Could not open file: %s", |
3432 | "Could not open file: %s", | |
3433 | name); | |
3434 | if (!isatty (fd)) | |
3435 | { | |
3436 | close (fd); | |
d31eee5e | 3437 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3438 | "Not a tty device: %s", |
3439 | "Not a tty device: %s", | |
3440 | name); | |
3441 | } | |
0c72d684 | 3442 | |
59b3194c KL |
3443 | #ifndef O_IGNORE_CTTY |
3444 | if (!ctty) | |
03a1d6bd | 3445 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3446 | #endif |
3447 | ||
3448 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3449 | tty->input = file; |
3450 | tty->output = file; | |
3451 | } | |
78048085 | 3452 | |
28d7d09f | 3453 | tty->type = xstrdup (terminal_type); |
28d440ab | 3454 | |
84704c5c | 3455 | #ifdef subprocesses |
819b8f00 | 3456 | add_keyboard_wait_descriptor (fileno (tty->input)); |
55d5acfa | 3457 | #endif |
08a24c47 | 3458 | |
84704c5c EZ |
3459 | #endif /* !DOS_NT */ |
3460 | ||
288d5132 KH |
3461 | encode_terminal_src_size = 0; |
3462 | encode_terminal_dst_size = 0; | |
af645abf | 3463 | |
7e5a23bd | 3464 | #ifdef HAVE_GPM |
88acaaf2 | 3465 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3466 | mouse_face_window = Qnil; |
e882229c NR |
3467 | #endif |
3468 | ||
84704c5c | 3469 | #ifdef DOS_NT |
cb28b9c2 | 3470 | #ifdef WINDOWSNT |
953bf0dc | 3471 | initialize_w32_display (terminal); |
84704c5c EZ |
3472 | #else /* MSDOS */ |
3473 | if (strcmp (terminal_type, "internal") == 0) | |
3474 | terminal->type = output_msdos_raw; | |
3475 | initialize_msdos_display (terminal); | |
3476 | #endif /* MSDOS */ | |
3477 | tty->output = stdout; | |
3478 | tty->input = stdin; | |
a0236551 | 3479 | /* The following two are inaccessible from w32console.c. */ |
9f215d25 | 3480 | terminal->delete_frame_hook = &tty_free_frame_resources; |
a0236551 | 3481 | terminal->delete_terminal_hook = &delete_tty; |
cb28b9c2 | 3482 | |
78048085 EZ |
3483 | tty->name = xstrdup (name); |
3484 | terminal->name = xstrdup (name); | |
3485 | tty->type = xstrdup (terminal_type); | |
cb28b9c2 | 3486 | |
84704c5c | 3487 | #ifdef subprocesses |
a0236551 | 3488 | add_keyboard_wait_descriptor (0); |
84704c5c | 3489 | #endif |
cb28b9c2 | 3490 | |
a0236551 | 3491 | Wcm_clear (tty); |
cb28b9c2 | 3492 | |
84704c5c | 3493 | #ifdef WINDOWSNT |
5d333979 JR |
3494 | { |
3495 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3496 | |
a0236551 JR |
3497 | FrameRows (tty) = FRAME_LINES (f); |
3498 | FrameCols (tty) = FRAME_COLS (f); | |
3499 | tty->specified_window = FRAME_LINES (f); | |
cb28b9c2 | 3500 | |
a0236551 JR |
3501 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3502 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 | 3503 | } |
84704c5c EZ |
3504 | #else /* MSDOS */ |
3505 | { | |
3506 | int height, width; | |
3507 | get_tty_size (fileno (tty->input), &width, &height); | |
3508 | FrameCols (tty) = width; | |
3509 | FrameRows (tty) = height; | |
3510 | } | |
3511 | #endif /* MSDOS */ | |
5d333979 | 3512 | tty->delete_in_insert_mode = 1; |
cb28b9c2 | 3513 | |
daf01701 | 3514 | UseTabs (tty) = 0; |
6ed8eeff | 3515 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3516 | |
7e59217d | 3517 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3518 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3519 | don't think we're losing anything by turning it off. */ |
6ed8eeff | 3520 | terminal->line_ins_del_ok = 0; |
84704c5c | 3521 | #ifdef WINDOWSNT |
6ed8eeff | 3522 | terminal->char_ins_del_ok = 1; |
cb28b9c2 | 3523 | baud_rate = 19200; |
84704c5c EZ |
3524 | #else /* MSDOS */ |
3525 | terminal->char_ins_del_ok = 0; | |
3526 | init_baud_rate (fileno (tty->input)); | |
3527 | #endif /* MSDOS */ | |
cb28b9c2 | 3528 | |
5d333979 | 3529 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3530 | |
84704c5c | 3531 | #else /* not DOS_NT */ |
cb28b9c2 | 3532 | |
6548cf00 | 3533 | Wcm_clear (tty); |
08a24c47 | 3534 | |
d31eee5e | 3535 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3536 | |
03a1d6bd KL |
3537 | /* On some systems, tgetent tries to access the controlling |
3538 | terminal. */ | |
3539 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3540 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3541 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3542 | |
08a24c47 | 3543 | if (status < 0) |
b0347178 KH |
3544 | { |
3545 | #ifdef TERMINFO | |
d31eee5e | 3546 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3547 | "Cannot open terminfo database file", |
3548 | "Cannot open terminfo database file"); | |
b0347178 | 3549 | #else |
d31eee5e | 3550 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3551 | "Cannot open termcap database file", |
3552 | "Cannot open termcap database file"); | |
b0347178 KH |
3553 | #endif |
3554 | } | |
08a24c47 | 3555 | if (status == 0) |
b0347178 KH |
3556 | { |
3557 | #ifdef TERMINFO | |
d31eee5e | 3558 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3559 | "Terminal type %s is not defined", |
3560 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3561 | If that is not the actual type of terminal you have,\n\ |
3562 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3563 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3564 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 3565 | terminal_type); |
b0347178 | 3566 | #else |
d31eee5e | 3567 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3568 | "Terminal type %s is not defined", |
3569 | "Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
3570 | If that is not the actual type of terminal you have,\n\ |
3571 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3572 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3573 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 3574 | terminal_type); |
b0347178 KH |
3575 | #endif |
3576 | } | |
6b61353c KH |
3577 | |
3578 | #ifndef TERMINFO | |
d31eee5e | 3579 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3580 | abort (); |
d31eee5e | 3581 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3582 | #endif |
d31eee5e | 3583 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3584 | tty->TS_ins_line = tgetstr ("al", address); |
3585 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3586 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3587 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3588 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3589 | tty->TS_clr_line = tgetstr ("ce", address); | |
3590 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3591 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3592 | AbsPosition (tty) = tgetstr ("cm", address); | |
3593 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3594 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3595 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3596 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3597 | tty->TS_del_char = tgetstr ("dc", address); |
3598 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3599 | tty->TS_del_line = tgetstr ("dl", address); | |
3600 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3601 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3602 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3603 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3604 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3605 | tty->TS_ins_char = tgetstr ("ic", address); |
3606 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3607 | tty->TS_insert_mode = tgetstr ("im", address); | |
3608 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3609 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3610 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3611 | LastLine (tty) = tgetstr ("ll", address); |
3612 | Right (tty) = tgetstr ("nd", address); | |
3613 | Down (tty) = tgetstr ("do", address); | |
3614 | if (!Down (tty)) | |
3615 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3616 | if (tgetflag ("bs")) |
6548cf00 | 3617 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3618 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3619 | Left (tty) = tgetstr ("le", address); |
3620 | if (!Left (tty)) | |
3621 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3622 | tty->TS_pad_char = tgetstr ("pc", address); |
3623 | tty->TS_repeat = tgetstr ("rp", address); | |
3624 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3625 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3626 | tty->TS_standout_mode = tgetstr ("so", address); | |
3627 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3628 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3629 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3630 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3631 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3632 | tty->TS_visible_bell = tgetstr ("vb", address); |
3633 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3634 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3635 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3636 | tty->TS_set_window = tgetstr ("wi", address); | |
3637 | ||
3638 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3639 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3640 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3641 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3642 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3643 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3644 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3645 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3646 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3647 | |
6548cf00 KL |
3648 | MultiUp (tty) = tgetstr ("UP", address); |
3649 | MultiDown (tty) = tgetstr ("DO", address); | |
3650 | MultiLeft (tty) = tgetstr ("LE", address); | |
3651 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3652 | |
e7f90eab GM |
3653 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3654 | color because we can't switch back to the default foreground and | |
3655 | background. */ | |
fca177d4 KL |
3656 | tty->TS_orig_pair = tgetstr ("op", address); |
3657 | if (tty->TS_orig_pair) | |
a168702a | 3658 | { |
fca177d4 KL |
3659 | tty->TS_set_foreground = tgetstr ("AF", address); |
3660 | tty->TS_set_background = tgetstr ("AB", address); | |
3661 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3662 | { |
3663 | /* SVr4. */ | |
fca177d4 KL |
3664 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3665 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3666 | } |
177c0ea7 | 3667 | |
fca177d4 KL |
3668 | tty->TN_max_colors = tgetnum ("Co"); |
3669 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3670 | |
fca177d4 KL |
3671 | tty->TN_no_color_video = tgetnum ("NC"); |
3672 | if (tty->TN_no_color_video == -1) | |
3673 | tty->TN_no_color_video = 0; | |
a168702a | 3674 | } |
a168702a | 3675 | |
fca177d4 | 3676 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3677 | |
6548cf00 | 3678 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3679 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3680 | the former flag imply the latter. */ | |
6548cf00 | 3681 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3682 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3683 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3684 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3685 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3686 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3687 | tty->TF_standout_motion = tgetflag ("ms"); | |
3688 | tty->TF_underscore = tgetflag ("ul"); | |
3689 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3690 | |
84704c5c | 3691 | #endif /* !DOS_NT */ |
6ed8eeff KL |
3692 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3693 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3694 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3695 | terminal->kboard->next_kboard = all_kboards; |
3696 | all_kboards = terminal->kboard; | |
3697 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3698 | /* Don't let the initial kboard remain current longer than necessary. |
3699 | That would cause problems if a file loaded on startup tries to | |
3700 | prompt in the mini-buffer. */ | |
3701 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3702 | current_kboard = terminal->kboard; |
84704c5c | 3703 | #ifndef DOS_NT |
6ed8eeff | 3704 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3705 | |
ff11dfa1 | 3706 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3707 | { |
3708 | int height, width; | |
0b0d3e0b | 3709 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3710 | FrameCols (tty) = width; |
3711 | FrameRows (tty) = height; | |
3b12ce12 RS |
3712 | } |
3713 | ||
0a125897 KL |
3714 | if (FrameCols (tty) <= 0) |
3715 | FrameCols (tty) = tgetnum ("co"); | |
3716 | if (FrameRows (tty) <= 0) | |
3717 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3718 | |
0a125897 | 3719 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3720 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3721 | "Screen size %dx%d is too small" |
3722 | "Screen size %dx%d is too small", | |
0a125897 | 3723 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3724 | |
8a56675d | 3725 | #if 0 /* This is not used anywhere. */ |
6ed8eeff | 3726 | tty->terminal->min_padding_speed = tgetnum ("pb"); |
8a56675d | 3727 | #endif |
28d440ab | 3728 | |
6548cf00 | 3729 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3730 | |
fca177d4 KL |
3731 | if (!tty->TS_bell) |
3732 | tty->TS_bell = "\07"; | |
08a24c47 | 3733 | |
fca177d4 KL |
3734 | if (!tty->TS_fwd_scroll) |
3735 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3736 | |
fca177d4 | 3737 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3738 | |
6548cf00 KL |
3739 | if (TabWidth (tty) < 0) |
3740 | TabWidth (tty) = 8; | |
177c0ea7 | 3741 | |
08a24c47 JB |
3742 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3743 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3744 | if (!tty->Wcm->cm_tab) |
3745 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3746 | */ |
3747 | ||
54800acb MB |
3748 | /* We don't support standout modes that use `magic cookies', so |
3749 | turn off any that do. */ | |
fca177d4 | 3750 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3751 | { |
fca177d4 KL |
3752 | tty->TS_standout_mode = 0; |
3753 | tty->TS_end_standout_mode = 0; | |
54800acb | 3754 | } |
fca177d4 | 3755 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3756 | { |
fca177d4 KL |
3757 | tty->TS_enter_underline_mode = 0; |
3758 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3759 | } |
3760 | ||
3761 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3762 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3763 | { |
fca177d4 KL |
3764 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3765 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3766 | } |
3767 | ||
afd359c4 RS |
3768 | /* If no `se' string, try using a `me' string instead. |
3769 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3770 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3771 | { |
e4bfb3b6 | 3772 | char *s = tgetstr ("me", address); |
afd359c4 | 3773 | if (s != 0) |
fca177d4 | 3774 | tty->TS_end_standout_mode = s; |
afd359c4 | 3775 | else |
fca177d4 | 3776 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3777 | } |
3778 | ||
fca177d4 | 3779 | if (tty->TF_teleray) |
08a24c47 | 3780 | { |
6548cf00 | 3781 | tty->Wcm->cm_tab = 0; |
54800acb | 3782 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3783 | tty->TS_standout_mode = 0; |
08a24c47 | 3784 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3785 | CR (tty) = 0; |
08a24c47 JB |
3786 | /* LF can't be trusted either -- can alter hpos */ |
3787 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3788 | Down (tty) = 0; |
08a24c47 JB |
3789 | } |
3790 | ||
3791 | /* Special handling for certain terminal types known to need it */ | |
3792 | ||
3793 | if (!strcmp (terminal_type, "supdup")) | |
3794 | { | |
6ed8eeff | 3795 | terminal->memory_below_frame = 1; |
6548cf00 | 3796 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3797 | } |
3798 | if (!strncmp (terminal_type, "c10", 3) | |
3799 | || !strcmp (terminal_type, "perq")) | |
3800 | { | |
3801 | /* Supply a makeshift :wi string. | |
3802 | This string is not valid in general since it works only | |
3803 | for windows starting at the upper left corner; | |
3804 | but that is all Emacs uses. | |
3805 | ||
ff11dfa1 | 3806 | This string works only if the frame is using |
08a24c47 JB |
3807 | the top of the video memory, because addressing is memory-relative. |
3808 | So first check the :ti string to see if that is true. | |
3809 | ||
3810 | It would be simpler if the :wi string could go in the termcap | |
3811 | entry, but it can't because it is not fully valid. | |
3812 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3813 | if (!tty->TS_set_window) |
08a24c47 | 3814 | { |
fca177d4 | 3815 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3816 | while (*p && strcmp (p, "\033v ")) |
3817 | p++; | |
3818 | if (*p) | |
fca177d4 | 3819 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3820 | } |
3821 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3822 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3823 | /* :ti string typically fails to have \E^G! in it */ |
3824 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3825 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3826 | strcat (area, "\033\007!"); |
fca177d4 | 3827 | tty->TS_termcap_modes = area; |
08a24c47 | 3828 | area += strlen (area) + 1; |
6548cf00 | 3829 | p = AbsPosition (tty); |
08a24c47 | 3830 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3831 | values above 96 correctly for the C100. */ |
08a24c47 | 3832 | while (*p) |
28d440ab KL |
3833 | { |
3834 | if (p[0] == '%' && p[1] == '+') | |
3835 | p[1] = 'C'; | |
3836 | p++; | |
3837 | } | |
08a24c47 JB |
3838 | } |
3839 | ||
0a125897 | 3840 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3841 | |
6548cf00 | 3842 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3843 | { |
d31eee5e | 3844 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3845 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
37dad45a | 3846 | # ifdef TERMINFO |
3224dac1 | 3847 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3848 | It lacks the ability to position the cursor.\n\ |
3849 | If that is not the actual type of terminal you have,\n\ | |
3850 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3851 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3852 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 3853 | # else /* TERMCAP */ |
3224dac1 | 3854 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3855 | It lacks the ability to position the cursor.\n\ |
3856 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
3857 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3858 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3859 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3860 | # endif /* TERMINFO */ |
3224dac1 | 3861 | terminal_type); |
fca177d4 | 3862 | } |
daf01701 | 3863 | |
0a125897 | 3864 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3865 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3866 | "Could not determine the frame size", |
3867 | "Could not determine the frame size"); | |
08a24c47 | 3868 | |
fca177d4 KL |
3869 | tty->delete_in_insert_mode |
3870 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3871 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3872 | |
fca177d4 KL |
3873 | tty->se_is_so = (tty->TS_standout_mode |
3874 | && tty->TS_end_standout_mode | |
3875 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3876 | |
0b0d3e0b | 3877 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3878 | |
6ed8eeff | 3879 | terminal->scroll_region_ok |
6548cf00 | 3880 | = (tty->Wcm->cm_abs |
fca177d4 | 3881 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3882 | |
6ed8eeff | 3883 | terminal->line_ins_del_ok |
fca177d4 KL |
3884 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3885 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3886 | || (terminal->scroll_region_ok |
fca177d4 | 3887 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3888 | |
6ed8eeff | 3889 | terminal->char_ins_del_ok |
fca177d4 KL |
3890 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3891 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3892 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3893 | |
6ed8eeff | 3894 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3895 | |
0b0d3e0b | 3896 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3897 | |
84704c5c | 3898 | #endif /* not DOS_NT */ |
635e3b29 | 3899 | |
0a125897 KL |
3900 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3901 | init_sys_modes (tty); | |
daf01701 | 3902 | |
6ed8eeff | 3903 | return terminal; |
08a24c47 JB |
3904 | } |
3905 | ||
a4c6993d | 3906 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3907 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3908 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3909 | |
3224dac1 | 3910 | static void |
d31eee5e | 3911 | maybe_fatal (must_succeed, terminal, str1, str2, arg1, arg2) |
3224dac1 | 3912 | int must_succeed; |
6ed8eeff | 3913 | struct terminal *terminal; |
3224dac1 KL |
3914 | char *str1, *str2, *arg1, *arg2; |
3915 | { | |
6ed8eeff KL |
3916 | if (terminal) |
3917 | delete_tty (terminal); | |
f4d953fc | 3918 | |
3224dac1 KL |
3919 | if (must_succeed) |
3920 | fatal (str2, arg1, arg2); | |
3921 | else | |
3922 | error (str1, arg1, arg2); | |
3923 | ||
3924 | abort (); | |
08a24c47 JB |
3925 | } |
3926 | ||
dfcf069d | 3927 | void |
7c401d15 | 3928 | fatal (const char *str, ...) |
08a24c47 | 3929 | { |
7c401d15 DN |
3930 | va_list ap; |
3931 | va_start (ap, str); | |
08a24c47 | 3932 | fprintf (stderr, "emacs: "); |
7c401d15 DN |
3933 | vfprintf (stderr, str, ap); |
3934 | va_end (ap); | |
08a24c47 JB |
3935 | fflush (stderr); |
3936 | exit (1); | |
3937 | } | |
07c57952 | 3938 | |
819b8f00 KL |
3939 | \f |
3940 | ||
6ed8eeff | 3941 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3942 | |
ed8dad6b | 3943 | static void |
6ed8eeff | 3944 | delete_tty (struct terminal *terminal) |
072d84a6 | 3945 | { |
428a555e | 3946 | struct tty_display_info *tty; |
fca177d4 | 3947 | Lisp_Object tail, frame; |
6ed8eeff | 3948 | int last_terminal; |
f4d953fc | 3949 | |
e2749141 | 3950 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3951 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3952 | if (!terminal->name) |
0a125897 | 3953 | return; |
fca177d4 | 3954 | |
6ed8eeff | 3955 | if (terminal->type != output_termcap) |
428a555e KL |
3956 | abort (); |
3957 | ||
6ed8eeff | 3958 | tty = terminal->display_info.tty; |
f4d953fc | 3959 | |
6ed8eeff | 3960 | last_terminal = 1; |
81be1a93 KL |
3961 | FOR_EACH_FRAME (tail, frame) |
3962 | { | |
3963 | struct frame *f = XFRAME (frame); | |
3964 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
3965 | { | |
6ed8eeff | 3966 | last_terminal = 0; |
81be1a93 KL |
3967 | break; |
3968 | } | |
3969 | } | |
6ed8eeff KL |
3970 | if (last_terminal) |
3971 | error ("Attempt to delete the sole terminal device with live frames"); | |
f4d953fc | 3972 | |
fca177d4 KL |
3973 | if (tty == tty_list) |
3974 | tty_list = tty->next; | |
3975 | else | |
3976 | { | |
28d7d09f | 3977 | struct tty_display_info *p; |
fca177d4 KL |
3978 | for (p = tty_list; p && p->next != tty; p = p->next) |
3979 | ; | |
3980 | ||
3981 | if (! p) | |
3982 | /* This should not happen. */ | |
3983 | abort (); | |
3984 | ||
0a125897 KL |
3985 | p->next = tty->next; |
3986 | tty->next = 0; | |
fca177d4 KL |
3987 | } |
3988 | ||
7e59217d | 3989 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3990 | before delete_terminal. */ |
04c3243c | 3991 | reset_sys_modes (tty); |
fca177d4 | 3992 | |
6ed8eeff | 3993 | delete_terminal (terminal); |
3224dac1 | 3994 | |
70fdbb46 JM |
3995 | xfree (tty->name); |
3996 | xfree (tty->type); | |
daf01701 | 3997 | |
fca177d4 | 3998 | if (tty->input) |
819b8f00 | 3999 | { |
84704c5c | 4000 | #ifdef subprocesses |
819b8f00 | 4001 | delete_keyboard_wait_descriptor (fileno (tty->input)); |
84704c5c | 4002 | #endif |
819b8f00 KL |
4003 | if (tty->input != stdin) |
4004 | fclose (tty->input); | |
4005 | } | |
4006 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
4007 | fclose (tty->output); |
4008 | if (tty->termscript) | |
4009 | fclose (tty->termscript); | |
daf01701 | 4010 | |
70fdbb46 JM |
4011 | xfree (tty->old_tty); |
4012 | xfree (tty->Wcm); | |
d31eee5e CY |
4013 | if (tty->termcap_strings_buffer) |
4014 | xfree (tty->termcap_strings_buffer); | |
4015 | if (tty->termcap_term_buffer) | |
4016 | xfree (tty->termcap_term_buffer); | |
daf01701 | 4017 | |
28d7d09f | 4018 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 4019 | xfree (tty); |
fca177d4 KL |
4020 | } |
4021 | ||
428a555e KL |
4022 | \f |
4023 | ||
28d7d09f | 4024 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 4025 | Called by the Fgarbage_collector. */ |
da8e1115 | 4026 | |
fca177d4 | 4027 | void |
ed8dad6b | 4028 | mark_ttys (void) |
fca177d4 | 4029 | { |
28d7d09f | 4030 | struct tty_display_info *tty; |
0c72d684 | 4031 | |
819b8f00 | 4032 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 4033 | mark_object (tty->top_frame); |
072d84a6 RS |
4034 | } |
4035 | ||
428a555e KL |
4036 | \f |
4037 | ||
dfcf069d | 4038 | void |
07c57952 KH |
4039 | syms_of_term () |
4040 | { | |
7ee72033 MB |
4041 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
4042 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 4043 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4044 | #ifdef TERMINFO |
4045 | system_uses_terminfo = 1; | |
4046 | #else | |
4047 | system_uses_terminfo = 0; | |
4048 | #endif | |
c291d9ef | 4049 | |
e4019195 DN |
4050 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
4051 | doc: /* Functions to be run after suspending a tty. | |
ab797f65 | 4052 | The functions are run with one argument, the terminal id to be suspended. |
0b0d3e0b | 4053 | See `suspend-tty'. */); |
e4019195 | 4054 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4055 | |
4056 | ||
e4019195 DN |
4057 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
4058 | doc: /* Functions to be run after resuming a tty. | |
ab797f65 | 4059 | The functions are run with one argument, the terminal id that was revived. |
0b0d3e0b | 4060 | See `resume-tty'. */); |
e4019195 | 4061 | Vresume_tty_functions = Qnil; |
a168702a | 4062 | |
0db017c0 SM |
4063 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
4064 | doc: /* Non-nil means to make the cursor very visible. | |
4065 | This only has an effect when running in a text terminal. | |
4066 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4067 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4068 | visible_cursor = 1; | |
4069 | ||
a168702a | 4070 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4071 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4072 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4073 | defsubr (&Stty_type); |
4074 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
4075 | defsubr (&Ssuspend_tty); |
4076 | defsubr (&Sresume_tty); | |
7e5a23bd | 4077 | #ifdef HAVE_GPM |
6178ce5e SM |
4078 | defsubr (&Sgpm_mouse_start); |
4079 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 4080 | |
6178ce5e | 4081 | staticpro (&mouse_face_window); |
7e5a23bd | 4082 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4083 | |
84704c5c | 4084 | #ifndef DOS_NT |
3a7c5d40 CY |
4085 | default_orig_pair = NULL; |
4086 | default_set_foreground = NULL; | |
4087 | default_set_background = NULL; | |
84704c5c | 4088 | #endif /* !DOS_NT */ |
d31eee5e CY |
4089 | |
4090 | encode_terminal_src = NULL; | |
4091 | encode_terminal_dst = NULL; | |
07c57952 | 4092 | } |
a168702a | 4093 | |
819b8f00 KL |
4094 | |
4095 | ||
6b61353c KH |
4096 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
4097 | (do not change this comment) */ |