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, |
4e6835db | 3 | 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
684d6f5b | 9 | the Free Software Foundation; either version 3, or (at your option) |
08a24c47 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
59b3194c | 28 | #include <errno.h> |
28d440ab | 29 | #include <sys/file.h> |
7eb1e453 | 30 | |
d8b18043 | 31 | #ifdef HAVE_UNISTD_H |
1ec5dc77 | 32 | #include <unistd.h> |
d8b18043 | 33 | #endif |
67ad74df KL |
34 | |
35 | #if HAVE_TERMIOS_H | |
36 | #include <termios.h> /* For TIOCNOTTY. */ | |
37 | #endif | |
03a1d6bd KL |
38 | |
39 | #include <signal.h> | |
0c72d684 | 40 | |
9628b887 | 41 | #include "lisp.h" |
08a24c47 JB |
42 | #include "termchar.h" |
43 | #include "termopts.h" | |
a4decb7f KH |
44 | #include "charset.h" |
45 | #include "coding.h" | |
2538fae4 | 46 | #include "keyboard.h" |
ff11dfa1 | 47 | #include "frame.h" |
08a24c47 JB |
48 | #include "disptab.h" |
49 | #include "termhooks.h" | |
dfcf069d | 50 | #include "dispextern.h" |
a168702a | 51 | #include "window.h" |
8feddab4 | 52 | #include "keymap.h" |
1a935bfd | 53 | #include "blockinput.h" |
03a1d6bd KL |
54 | #include "syssignal.h" |
55 | #include "systty.h" | |
c9612b8e | 56 | #include "intervals.h" |
a168702a | 57 | |
ff23e1dd GM |
58 | /* For now, don't try to include termcap.h. On some systems, |
59 | configure finds a non-standard termcap.h that the main build | |
60 | won't find. */ | |
61 | ||
62 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 63 | #include <termcap.h> |
46d1b2bc DL |
64 | #else |
65 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
66 | extern int tgetent P_ ((char *, const char *)); | |
67 | extern int tgetflag P_ ((char *id)); | |
68 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
69 | #endif |
70 | ||
eccec691 | 71 | #include "cm.h" |
dfcf069d AS |
72 | #ifdef HAVE_X_WINDOWS |
73 | #include "xterm.h" | |
74 | #endif | |
e0f712ba | 75 | #ifdef MAC_OS |
1a578e9b AC |
76 | #include "macterm.h" |
77 | #endif | |
c8951b18 | 78 | |
28d440ab KL |
79 | #ifndef O_RDWR |
80 | #define O_RDWR 2 | |
81 | #endif | |
82 | ||
0c72d684 KL |
83 | #ifndef O_NOCTTY |
84 | #define O_NOCTTY 0 | |
85 | #endif | |
86 | ||
78048085 EZ |
87 | /* The name of the default console device. */ |
88 | #ifdef WINDOWSNT | |
89 | #define DEV_TTY "CONOUT$" | |
90 | #else | |
91 | #define DEV_TTY "/dev/tty" | |
92 | #endif | |
93 | ||
ed8dad6b | 94 | static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop)); |
a168702a GM |
95 | static void turn_on_face P_ ((struct frame *, int face_id)); |
96 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
97 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
98 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
ed8dad6b | 99 | static void tty_background_highlight P_ ((struct tty_display_info *tty)); |
4a665758 KL |
100 | static void clear_tty_hooks P_ ((struct terminal *terminal)); |
101 | static void set_tty_hooks P_ ((struct terminal *terminal)); | |
ed8dad6b | 102 | static void dissociate_if_controlling_tty P_ ((int fd)); |
6ed8eeff | 103 | static void delete_tty P_ ((struct terminal *)); |
a168702a | 104 | |
6548cf00 KL |
105 | #define OUTPUT(tty, a) \ |
106 | emacs_tputs ((tty), a, \ | |
107 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
108 | - curY (tty)), \ | |
109 | cmputc) | |
110 | ||
28d440ab KL |
111 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
112 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 113 | |
28d440ab | 114 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
115 | do { \ |
116 | if (a) \ | |
117 | emacs_tputs ((tty), a, \ | |
118 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
119 | - curY (tty) ), \ | |
120 | cmputc); \ | |
121 | } while (0) | |
177c0ea7 | 122 | |
28d440ab | 123 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
08a24c47 | 124 | |
b58cb614 | 125 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
177c0ea7 | 126 | |
b58cb614 | 127 | static int visible_cursor; |
08a24c47 | 128 | |
f46c2aff KS |
129 | /* Display space properties */ |
130 | ||
131 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
132 | ||
0b0d3e0b | 133 | /* Functions to call after suspending a tty. */ |
e4019195 | 134 | Lisp_Object Vsuspend_tty_functions; |
0b0d3e0b KL |
135 | |
136 | /* Functions to call after resuming a tty. */ | |
e4019195 | 137 | Lisp_Object Vresume_tty_functions; |
0b0d3e0b | 138 | |
428a555e | 139 | /* Chain of all tty device parameters. */ |
28d7d09f | 140 | struct tty_display_info *tty_list; |
08a24c47 | 141 | |
fca177d4 KL |
142 | /* Nonzero means no need to redraw the entire frame on resuming a |
143 | suspended Emacs. This is useful on terminals with multiple | |
144 | pages, where one page is used for Emacs and another for all | |
145 | else. */ | |
08a24c47 | 146 | int no_redraw_on_reenter; |
819b8f00 | 147 | |
4e6ba4a4 GM |
148 | /* Meaning of bits in no_color_video. Each bit set means that the |
149 | corresponding attribute cannot be combined with colors. */ | |
150 | ||
151 | enum no_color_bit | |
152 | { | |
153 | NC_STANDOUT = 1 << 0, | |
154 | NC_UNDERLINE = 1 << 1, | |
155 | NC_REVERSE = 1 << 2, | |
156 | NC_BLINK = 1 << 3, | |
157 | NC_DIM = 1 << 4, | |
158 | NC_BOLD = 1 << 5, | |
159 | NC_INVIS = 1 << 6, | |
160 | NC_PROTECT = 1 << 7, | |
161 | NC_ALT_CHARSET = 1 << 8 | |
162 | }; | |
163 | ||
08a24c47 JB |
164 | /* internal state */ |
165 | ||
8dd0c7cb | 166 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 167 | |
9882535b | 168 | int max_frame_cols; |
a168702a | 169 | |
8dd0c7cb | 170 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 171 | |
9882535b | 172 | int max_frame_lines; |
8dd0c7cb | 173 | |
0c72d684 KL |
174 | /* Non-zero if we have dropped our controlling tty and therefore |
175 | should not open a frame on stdout. */ | |
176 | static int no_controlling_tty; | |
177 | ||
07c57952 | 178 | /* Provided for lisp packages. */ |
a168702a | 179 | |
07c57952 KH |
180 | static int system_uses_terminfo; |
181 | ||
08a24c47 | 182 | char *tparam (); |
e4bfb3b6 RS |
183 | |
184 | extern char *tgetstr (); | |
e882229c NR |
185 | |
186 | static void term_clear_mouse_face (); | |
187 | static void term_mouse_highlight (struct frame *f, int x, int y); | |
08a24c47 | 188 | \f |
cb28b9c2 | 189 | |
7e5a23bd | 190 | #ifdef HAVE_GPM |
e882229c NR |
191 | #include <sys/fcntl.h> |
192 | #include "buffer.h" | |
193 | ||
71f44e7a SM |
194 | /* The device for which we have enabled gpm support (or NULL). */ |
195 | struct tty_display_info *gpm_tty = NULL; | |
7be1c21a | 196 | |
e882229c NR |
197 | /* These variables describe the range of text currently shown in its |
198 | mouse-face, together with the window they apply to. As long as | |
199 | the mouse stays within this range, we need not redraw anything on | |
200 | its account. Rows and columns are glyph matrix positions in | |
201 | MOUSE_FACE_WINDOW. */ | |
202 | static int mouse_face_beg_row, mouse_face_beg_col; | |
203 | static int mouse_face_end_row, mouse_face_end_col; | |
204 | static int mouse_face_past_end; | |
6178ce5e | 205 | static Lisp_Object mouse_face_window; |
e882229c NR |
206 | static int mouse_face_face_id; |
207 | ||
e882229c NR |
208 | static int pos_x, pos_y; |
209 | static int last_mouse_x, last_mouse_y; | |
7e5a23bd | 210 | #endif /* HAVE_GPM */ |
08a24c47 | 211 | |
da8e1115 KL |
212 | /* Ring the bell on a tty. */ |
213 | ||
ed8dad6b | 214 | static void |
385ed61f | 215 | tty_ring_bell (struct frame *f) |
3224dac1 | 216 | { |
3224dac1 KL |
217 | struct tty_display_info *tty = FRAME_TTY (f); |
218 | ||
b6660415 KL |
219 | if (tty->output) |
220 | { | |
221 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
222 | ? tty->TS_visible_bell | |
223 | : tty->TS_bell)); | |
224 | fflush (tty->output); | |
225 | } | |
3224dac1 KL |
226 | } |
227 | ||
da8e1115 KL |
228 | /* Set up termcap modes for Emacs. */ |
229 | ||
230 | void | |
6ed8eeff | 231 | tty_set_terminal_modes (struct terminal *terminal) |
fca177d4 | 232 | { |
6ed8eeff | 233 | struct tty_display_info *tty = terminal->display_info.tty; |
3224dac1 | 234 | |
0b0d3e0b KL |
235 | if (tty->output) |
236 | { | |
fbf34973 KL |
237 | if (tty->TS_termcap_modes) |
238 | OUTPUT (tty, tty->TS_termcap_modes); | |
239 | else | |
240 | { | |
241 | /* Output enough newlines to scroll all the old screen contents | |
242 | off the screen, so it won't be overwritten and lost. */ | |
243 | int i; | |
a3c07f68 | 244 | current_tty = tty; |
fbf34973 | 245 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 246 | cmputc ('\n'); |
fbf34973 KL |
247 | } |
248 | ||
0b0d3e0b | 249 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
b58cb614 | 250 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
251 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
252 | losecursor (tty); | |
2f98e6e3 | 253 | fflush (tty->output); |
0b0d3e0b | 254 | } |
fca177d4 KL |
255 | } |
256 | ||
da8e1115 KL |
257 | /* Reset termcap modes before exiting Emacs. */ |
258 | ||
259 | void | |
6ed8eeff | 260 | tty_reset_terminal_modes (struct terminal *terminal) |
fca177d4 | 261 | { |
6ed8eeff | 262 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
263 | |
264 | if (tty->output) | |
265 | { | |
ed8dad6b KL |
266 | tty_turn_off_highlight (tty); |
267 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
268 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
269 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
270 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
271 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
272 | /* Output raw CR so kernel can track the cursor hpos. */ | |
273 | current_tty = tty; | |
274 | cmputc ('\r'); | |
2f98e6e3 | 275 | fflush (tty->output); |
0b0d3e0b | 276 | } |
fca177d4 KL |
277 | } |
278 | ||
6ed8eeff | 279 | /* Flag the end of a display update on a termcap terminal. */ |
da8e1115 | 280 | |
ed8dad6b | 281 | static void |
3224dac1 KL |
282 | tty_update_end (struct frame *f) |
283 | { | |
284 | struct tty_display_info *tty = FRAME_TTY (f); | |
285 | ||
286 | if (!XWINDOW (selected_window)->cursor_off_p) | |
287 | tty_show_cursor (tty); | |
ed8dad6b KL |
288 | tty_turn_off_insert (tty); |
289 | tty_background_highlight (tty); | |
3224dac1 KL |
290 | } |
291 | ||
da8e1115 KL |
292 | /* The implementation of set_terminal_window for termcap frames. */ |
293 | ||
ed8dad6b | 294 | static void |
385ed61f | 295 | tty_set_terminal_window (struct frame *f, int size) |
3224dac1 | 296 | { |
3224dac1 KL |
297 | struct tty_display_info *tty = FRAME_TTY (f); |
298 | ||
299 | tty->specified_window = size ? size : FRAME_LINES (f); | |
300 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 301 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
302 | } |
303 | ||
ed8dad6b KL |
304 | static void |
305 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
306 | { |
307 | char *buf; | |
28d7d09f | 308 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 309 | |
fca177d4 KL |
310 | if (tty->TS_set_scroll_region) |
311 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
312 | else if (tty->TS_set_scroll_region_1) | |
313 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
314 | FRAME_LINES (f), start, |
315 | FRAME_LINES (f) - stop, | |
316 | FRAME_LINES (f)); | |
08a24c47 | 317 | else |
fca177d4 | 318 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 319 | |
6548cf00 | 320 | OUTPUT (tty, buf); |
9ac0d9e0 | 321 | xfree (buf); |
6548cf00 | 322 | losecursor (tty); |
08a24c47 | 323 | } |
d284f58f | 324 | |
08a24c47 | 325 | \f |
d284f58f | 326 | static void |
ed8dad6b | 327 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 328 | { |
fca177d4 KL |
329 | if (!tty->insert_mode) |
330 | OUTPUT (tty, tty->TS_insert_mode); | |
331 | tty->insert_mode = 1; | |
08a24c47 JB |
332 | } |
333 | ||
dfcf069d | 334 | void |
ed8dad6b | 335 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 336 | { |
fca177d4 KL |
337 | if (tty->insert_mode) |
338 | OUTPUT (tty, tty->TS_end_insert_mode); | |
339 | tty->insert_mode = 0; | |
08a24c47 JB |
340 | } |
341 | \f | |
54800acb | 342 | /* Handle highlighting. */ |
08a24c47 | 343 | |
dfcf069d | 344 | void |
ed8dad6b | 345 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 346 | { |
fca177d4 KL |
347 | if (tty->standout_mode) |
348 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
349 | tty->standout_mode = 0; | |
08a24c47 JB |
350 | } |
351 | ||
d284f58f | 352 | static void |
ed8dad6b | 353 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 354 | { |
fca177d4 KL |
355 | if (!tty->standout_mode) |
356 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
357 | tty->standout_mode = 1; | |
08a24c47 JB |
358 | } |
359 | ||
86a7d192 | 360 | static void |
ed8dad6b | 361 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 362 | { |
fca177d4 | 363 | if (tty->standout_mode) |
ed8dad6b | 364 | tty_turn_off_highlight (tty); |
86a7d192 | 365 | else |
ed8dad6b | 366 | tty_turn_on_highlight (tty); |
86a7d192 GM |
367 | } |
368 | ||
a168702a GM |
369 | |
370 | /* Make cursor invisible. */ | |
371 | ||
372 | static void | |
28d7d09f | 373 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 374 | { |
fca177d4 | 375 | if (tty->cursor_hidden == 0) |
d284f58f | 376 | { |
fca177d4 KL |
377 | tty->cursor_hidden = 1; |
378 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 379 | } |
a168702a GM |
380 | } |
381 | ||
382 | ||
383 | /* Ensure that cursor is visible. */ | |
384 | ||
385 | static void | |
28d7d09f | 386 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 387 | { |
fca177d4 | 388 | if (tty->cursor_hidden) |
d284f58f | 389 | { |
fca177d4 KL |
390 | tty->cursor_hidden = 0; |
391 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 392 | if (visible_cursor) |
b58cb614 | 393 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 394 | } |
a168702a GM |
395 | } |
396 | ||
397 | ||
08a24c47 JB |
398 | /* Set standout mode to the state it should be in for |
399 | empty space inside windows. What this is, | |
400 | depends on the user option inverse-video. */ | |
401 | ||
ed8dad6b KL |
402 | static void |
403 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 404 | { |
08a24c47 | 405 | if (inverse_video) |
ed8dad6b | 406 | tty_turn_on_highlight (tty); |
08a24c47 | 407 | else |
ed8dad6b | 408 | tty_turn_off_highlight (tty); |
08a24c47 JB |
409 | } |
410 | ||
411 | /* Set standout mode to the mode specified for the text to be output. */ | |
412 | ||
dfcf069d | 413 | static void |
ed8dad6b | 414 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 415 | { |
8ede64a5 | 416 | if (inverse_video) |
ed8dad6b | 417 | tty_turn_on_highlight (tty); |
8ede64a5 | 418 | else |
ed8dad6b | 419 | tty_turn_off_highlight (tty); |
08a24c47 JB |
420 | } |
421 | \f | |
422 | ||
a168702a GM |
423 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
424 | frame-relative coordinates. */ | |
08a24c47 | 425 | |
ed8dad6b | 426 | static void |
385ed61f | 427 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
3224dac1 | 428 | { |
3224dac1 | 429 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 430 | |
36cae867 KH |
431 | /* Detect the case where we are called from reset_sys_modes |
432 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 433 | if (! tty->costs_set) |
36cae867 KH |
434 | return; |
435 | ||
6548cf00 KL |
436 | if (curY (tty) == vpos |
437 | && curX (tty) == hpos) | |
08a24c47 | 438 | return; |
fca177d4 | 439 | if (!tty->TF_standout_motion) |
ed8dad6b | 440 | tty_background_highlight (tty); |
fca177d4 | 441 | if (!tty->TF_insmode_motion) |
ed8dad6b | 442 | tty_turn_off_insert (tty); |
6548cf00 | 443 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
444 | } |
445 | ||
446 | /* Similar but don't take any account of the wasted characters. */ | |
447 | ||
ed8dad6b | 448 | static void |
385ed61f | 449 | tty_raw_cursor_to (struct frame *f, int row, int col) |
3224dac1 | 450 | { |
3224dac1 KL |
451 | struct tty_display_info *tty = FRAME_TTY (f); |
452 | ||
6548cf00 KL |
453 | if (curY (tty) == row |
454 | && curX (tty) == col) | |
08a24c47 | 455 | return; |
fca177d4 | 456 | if (!tty->TF_standout_motion) |
ed8dad6b | 457 | tty_background_highlight (tty); |
fca177d4 | 458 | if (!tty->TF_insmode_motion) |
ed8dad6b | 459 | tty_turn_off_insert (tty); |
6548cf00 | 460 | cmgoto (tty, row, col); |
08a24c47 JB |
461 | } |
462 | \f | |
463 | /* Erase operations */ | |
464 | ||
da8e1115 KL |
465 | /* Clear from cursor to end of frame on a termcap device. */ |
466 | ||
ed8dad6b | 467 | static void |
385ed61f | 468 | tty_clear_to_end (struct frame *f) |
3224dac1 KL |
469 | { |
470 | register int i; | |
3224dac1 KL |
471 | struct tty_display_info *tty = FRAME_TTY (f); |
472 | ||
fca177d4 | 473 | if (tty->TS_clr_to_bottom) |
08a24c47 | 474 | { |
ed8dad6b | 475 | tty_background_highlight (tty); |
fca177d4 | 476 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
477 | } |
478 | else | |
479 | { | |
6548cf00 | 480 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 481 | { |
385ed61f KL |
482 | cursor_to (f, i, 0); |
483 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
484 | } |
485 | } | |
486 | } | |
487 | ||
da8e1115 KL |
488 | /* Clear an entire termcap frame. */ |
489 | ||
ed8dad6b | 490 | static void |
385ed61f | 491 | tty_clear_frame (struct frame *f) |
3224dac1 | 492 | { |
3224dac1 KL |
493 | struct tty_display_info *tty = FRAME_TTY (f); |
494 | ||
fca177d4 | 495 | if (tty->TS_clr_frame) |
08a24c47 | 496 | { |
ed8dad6b | 497 | tty_background_highlight (tty); |
fca177d4 | 498 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 499 | cmat (tty, 0, 0); |
08a24c47 JB |
500 | } |
501 | else | |
502 | { | |
385ed61f KL |
503 | cursor_to (f, 0, 0); |
504 | clear_to_end (f); | |
08a24c47 JB |
505 | } |
506 | } | |
507 | ||
da8e1115 KL |
508 | /* An implementation of clear_end_of_line for termcap frames. |
509 | ||
510 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
511 | ||
ed8dad6b | 512 | static void |
385ed61f | 513 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
0a125897 KL |
514 | { |
515 | register int i; | |
3224dac1 KL |
516 | struct tty_display_info *tty = FRAME_TTY (f); |
517 | ||
36cae867 KH |
518 | /* Detect the case where we are called from reset_sys_modes |
519 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 520 | if (! tty->costs_set) |
36cae867 KH |
521 | return; |
522 | ||
6548cf00 | 523 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 524 | return; |
ed8dad6b | 525 | tty_background_highlight (tty); |
fca177d4 | 526 | if (tty->TS_clr_line) |
08a24c47 | 527 | { |
fca177d4 | 528 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
529 | } |
530 | else | |
531 | { /* have to do it the hard way */ | |
ed8dad6b | 532 | tty_turn_off_insert (tty); |
08a24c47 | 533 | |
a168702a | 534 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 535 | if (AutoWrap (tty) |
0a125897 KL |
536 | && curY (tty) == FrameRows (tty) - 1 |
537 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
538 | first_unused_hpos--; |
539 | ||
6548cf00 | 540 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 541 | { |
0b0d3e0b KL |
542 | if (tty->termscript) |
543 | fputc (' ', tty->termscript); | |
544 | fputc (' ', tty->output); | |
08a24c47 | 545 | } |
6548cf00 | 546 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
547 | } |
548 | } | |
549 | \f | |
af645abf KH |
550 | /* Buffer to store the source and result of code conversion for terminal. */ |
551 | static unsigned char *encode_terminal_buf; | |
552 | /* Allocated size of the above buffer. */ | |
553 | static int encode_terminal_bufsize; | |
a4decb7f | 554 | |
af645abf KH |
555 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. |
556 | Set CODING->produced to the byte-length of the resulting byte | |
557 | sequence, and return a pointer to that byte sequence. */ | |
a4decb7f | 558 | |
302db699 | 559 | unsigned char * |
af645abf | 560 | encode_terminal_code (src, src_len, coding) |
a168702a | 561 | struct glyph *src; |
a4decb7f | 562 | int src_len; |
af645abf | 563 | struct coding_system *coding; |
a4decb7f | 564 | { |
feef4f84 | 565 | struct glyph *src_end = src + src_len; |
085d5908 | 566 | register GLYPH g; |
af645abf KH |
567 | unsigned char *buf; |
568 | int nchars, nbytes, required; | |
a4decb7f KH |
569 | register int tlen = GLYPH_TABLE_LENGTH; |
570 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 | 571 | |
af645abf KH |
572 | /* Allocate sufficient size of buffer to store all characters in |
573 | multibyte-form. But, it may be enlarged on demand if | |
574 | Vglyph_table contains a string. */ | |
575 | required = MAX_MULTIBYTE_LENGTH * src_len; | |
576 | if (encode_terminal_bufsize < required) | |
577 | { | |
af645abf KH |
578 | if (encode_terminal_bufsize == 0) |
579 | encode_terminal_buf = xmalloc (required); | |
580 | else | |
581 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
d6d31e57 | 582 | encode_terminal_bufsize = required; |
af645abf | 583 | } |
a4decb7f | 584 | |
af645abf KH |
585 | buf = encode_terminal_buf; |
586 | nchars = 0; | |
a4decb7f KH |
587 | while (src < src_end) |
588 | { | |
a4decb7f | 589 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 590 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 591 | { |
32de38e4 KH |
592 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
593 | ||
594 | if (g < 0 || g >= tlen) | |
085d5908 | 595 | { |
32de38e4 | 596 | /* This glyph doesn't has an entry in Vglyph_table. */ |
af645abf KH |
597 | if (CHAR_VALID_P (src->u.ch, 0)) |
598 | buf += CHAR_STRING (src->u.ch, buf); | |
32de38e4 | 599 | else |
af645abf KH |
600 | *buf++ = SPACEGLYPH; |
601 | nchars++; | |
085d5908 | 602 | } |
32de38e4 | 603 | else |
a4decb7f | 604 | { |
32de38e4 | 605 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
606 | so process any alias before testing for simpleness. */ |
607 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
608 | |
609 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
610 | { | |
af645abf KH |
611 | int c = FAST_GLYPH_CHAR (g); |
612 | ||
613 | if (CHAR_VALID_P (c, 0)) | |
614 | buf += CHAR_STRING (c, buf); | |
615 | else | |
616 | *buf++ = SPACEGLYPH; | |
617 | nchars++; | |
32de38e4 KH |
618 | } |
619 | else | |
620 | { | |
621 | /* We have a string in Vglyph_table. */ | |
af645abf KH |
622 | Lisp_Object string; |
623 | ||
624 | string = tbase[g]; | |
625 | if (! STRING_MULTIBYTE (string)) | |
626 | string = string_to_multibyte (string); | |
627 | nbytes = buf - encode_terminal_buf; | |
fd4a9f8f | 628 | if (encode_terminal_bufsize < nbytes + SBYTES (string)) |
af645abf KH |
629 | { |
630 | encode_terminal_bufsize = nbytes + SBYTES (string); | |
631 | encode_terminal_buf = xrealloc (encode_terminal_buf, | |
632 | encode_terminal_bufsize); | |
633 | buf = encode_terminal_buf + nbytes; | |
634 | } | |
635 | bcopy (SDATA (string), buf, SBYTES (string)); | |
636 | buf += SBYTES (string); | |
637 | nchars += SCHARS (string); | |
32de38e4 | 638 | } |
171d7f24 | 639 | } |
a4decb7f KH |
640 | } |
641 | src++; | |
642 | } | |
177c0ea7 | 643 | |
af645abf KH |
644 | nbytes = buf - encode_terminal_buf; |
645 | coding->src_multibyte = 1; | |
646 | coding->dst_multibyte = 0; | |
647 | if (SYMBOLP (coding->pre_write_conversion) | |
648 | && ! NILP (Ffboundp (coding->pre_write_conversion))) | |
649 | { | |
feef4f84 | 650 | run_pre_write_conversin_on_c_str (&encode_terminal_buf, |
af645abf KH |
651 | &encode_terminal_bufsize, |
652 | nchars, nbytes, coding); | |
653 | nchars = coding->produced_char; | |
654 | nbytes = coding->produced; | |
655 | } | |
656 | required = nbytes + encoding_buffer_size (coding, nbytes); | |
657 | if (encode_terminal_bufsize < required) | |
658 | { | |
659 | encode_terminal_bufsize = required; | |
660 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
661 | } | |
a4decb7f | 662 | |
af645abf KH |
663 | encode_coding (coding, encode_terminal_buf, encode_terminal_buf + nbytes, |
664 | nbytes, encode_terminal_bufsize - nbytes); | |
665 | return encode_terminal_buf + nbytes; | |
a4decb7f KH |
666 | } |
667 | ||
08a24c47 | 668 | |
da8e1115 KL |
669 | /* An implementation of write_glyphs for termcap frames. */ |
670 | ||
ed8dad6b | 671 | static void |
385ed61f | 672 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 673 | { |
af645abf KH |
674 | unsigned char *conversion_buffer; |
675 | struct coding_system *coding; | |
08a24c47 | 676 | |
3224dac1 | 677 | struct tty_display_info *tty = FRAME_TTY (f); |
6548cf00 | 678 | |
ed8dad6b | 679 | tty_turn_off_insert (tty); |
fca177d4 | 680 | tty_hide_cursor (tty); |
08a24c47 | 681 | |
a168702a | 682 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 683 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 684 | |
6548cf00 KL |
685 | if (AutoWrap (tty) |
686 | && curY (tty) + 1 == FRAME_LINES (f) | |
687 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 688 | len --; |
a4decb7f KH |
689 | if (len <= 0) |
690 | return; | |
08a24c47 | 691 | |
6548cf00 | 692 | cmplus (tty, len); |
177c0ea7 | 693 | |
af645abf KH |
694 | /* If terminal_coding does any conversion, use it, otherwise use |
695 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
696 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
697 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
698 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
699 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
700 | the tail. */ | |
af645abf | 701 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 702 | |
a4decb7f | 703 | while (len > 0) |
08a24c47 | 704 | { |
a168702a | 705 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 706 | int face_id = string->face_id; |
a168702a | 707 | int n; |
177c0ea7 | 708 | |
a168702a | 709 | for (n = 1; n < len; ++n) |
32de38e4 | 710 | if (string[n].face_id != face_id) |
a168702a GM |
711 | break; |
712 | ||
713 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 714 | tty_highlight_if_desired (tty); |
a168702a GM |
715 | turn_on_face (f, face_id); |
716 | ||
af645abf KH |
717 | if (n == len) |
718 | /* This is the last run. */ | |
719 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
720 | conversion_buffer = encode_terminal_code (string, n, coding); | |
721 | if (coding->produced > 0) | |
08a24c47 | 722 | { |
1a935bfd | 723 | BLOCK_INPUT; |
fad2f685 KL |
724 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
725 | if (ferror (tty->output)) | |
726 | clearerr (tty->output); | |
727 | if (tty->termscript) | |
728 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 729 | UNBLOCK_INPUT; |
08a24c47 | 730 | } |
af645abf KH |
731 | len -= n; |
732 | string += n; | |
a168702a GM |
733 | |
734 | /* Turn appearance modes off. */ | |
735 | turn_off_face (f, face_id); | |
ed8dad6b | 736 | tty_turn_off_highlight (tty); |
a4decb7f | 737 | } |
177c0ea7 | 738 | |
6548cf00 | 739 | cmcheckmagic (tty); |
08a24c47 JB |
740 | } |
741 | ||
7be1c21a MB |
742 | static void |
743 | tty_write_glyphs_with_face (f, string, len, face_id) | |
744 | register struct frame *f; | |
e882229c NR |
745 | register struct glyph *string; |
746 | register int len, face_id; | |
747 | { | |
e882229c NR |
748 | unsigned char *conversion_buffer; |
749 | struct coding_system *coding; | |
750 | ||
7be1c21a MB |
751 | struct tty_display_info *tty = FRAME_TTY (f); |
752 | ||
753 | tty_turn_off_insert (tty); | |
754 | tty_hide_cursor (tty); | |
e882229c NR |
755 | |
756 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
757 | since that would scroll the whole frame on some terminals. */ | |
758 | ||
7be1c21a MB |
759 | if (AutoWrap (tty) |
760 | && curY (tty) + 1 == FRAME_LINES (f) | |
761 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
762 | len --; |
763 | if (len <= 0) | |
764 | return; | |
765 | ||
7be1c21a | 766 | cmplus (tty, len); |
e882229c NR |
767 | |
768 | /* If terminal_coding does any conversion, use it, otherwise use | |
769 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
770 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
771 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
772 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
773 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
774 | the tail. */ | |
775 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
776 | ||
e882229c | 777 | /* Turn appearance modes of the face. */ |
7be1c21a | 778 | tty_highlight_if_desired (tty); |
e882229c NR |
779 | turn_on_face (f, face_id); |
780 | ||
781 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
782 | conversion_buffer = encode_terminal_code (string, len, coding); | |
783 | if (coding->produced > 0) | |
784 | { | |
785 | BLOCK_INPUT; | |
7be1c21a MB |
786 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
787 | if (ferror (tty->output)) | |
788 | clearerr (tty->output); | |
789 | if (tty->termscript) | |
790 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
791 | UNBLOCK_INPUT; |
792 | } | |
793 | ||
794 | /* Turn appearance modes off. */ | |
795 | turn_off_face (f, face_id); | |
7be1c21a | 796 | tty_turn_off_highlight (tty); |
e882229c | 797 | |
7be1c21a | 798 | cmcheckmagic (tty); |
e882229c NR |
799 | } |
800 | ||
177c0ea7 | 801 | |
da8e1115 KL |
802 | /* An implementation of insert_glyphs for termcap frames. */ |
803 | ||
ed8dad6b | 804 | static void |
385ed61f | 805 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
3224dac1 KL |
806 | { |
807 | char *buf; | |
808 | struct glyph *glyph = NULL; | |
af645abf KH |
809 | unsigned char *conversion_buffer; |
810 | unsigned char space[1]; | |
811 | struct coding_system *coding; | |
3224dac1 KL |
812 | |
813 | struct tty_display_info *tty = FRAME_TTY (f); | |
08a24c47 | 814 | |
fca177d4 | 815 | if (tty->TS_ins_multi_chars) |
08a24c47 | 816 | { |
fca177d4 | 817 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 818 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 819 | xfree (buf); |
08a24c47 | 820 | if (start) |
385ed61f | 821 | write_glyphs (f, start, len); |
08a24c47 JB |
822 | return; |
823 | } | |
824 | ||
ed8dad6b | 825 | tty_turn_on_insert (tty); |
6548cf00 | 826 | cmplus (tty, len); |
af645abf KH |
827 | |
828 | if (! start) | |
829 | space[0] = SPACEGLYPH; | |
830 | ||
831 | /* If terminal_coding does any conversion, use it, otherwise use | |
832 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
833 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
834 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
835 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
af645abf KH |
836 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
837 | the tail. */ | |
838 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
839 | ||
07109bf9 | 840 | while (len-- > 0) |
08a24c47 | 841 | { |
fca177d4 | 842 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 843 | if (!start) |
32de38e4 | 844 | { |
af645abf KH |
845 | conversion_buffer = space; |
846 | coding->produced = 1; | |
32de38e4 | 847 | } |
08a24c47 | 848 | else |
08a24c47 | 849 | { |
ed8dad6b | 850 | tty_highlight_if_desired (tty); |
32de38e4 | 851 | turn_on_face (f, start->face_id); |
816be8b8 | 852 | glyph = start; |
a168702a | 853 | ++start; |
a4decb7f KH |
854 | /* We must open sufficient space for a character which |
855 | occupies more than one column. */ | |
a168702a | 856 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 857 | { |
fca177d4 | 858 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
859 | start++, len--; |
860 | } | |
a4decb7f | 861 | |
32de38e4 KH |
862 | if (len <= 0) |
863 | /* This is the last glyph. */ | |
af645abf | 864 | coding->mode |= CODING_MODE_LAST_BLOCK; |
32de38e4 | 865 | |
fad2f685 | 866 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 867 | } |
a4decb7f | 868 | |
af645abf | 869 | if (coding->produced > 0) |
08a24c47 | 870 | { |
1a935bfd | 871 | BLOCK_INPUT; |
fad2f685 | 872 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
873 | if (ferror (tty->output)) |
874 | clearerr (tty->output); | |
875 | if (tty->termscript) | |
fad2f685 | 876 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 877 | UNBLOCK_INPUT; |
08a24c47 JB |
878 | } |
879 | ||
fca177d4 | 880 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 881 | if (start) |
65aa5e85 GM |
882 | { |
883 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 884 | tty_turn_off_highlight (tty); |
65aa5e85 | 885 | } |
9a6b6f92 | 886 | } |
177c0ea7 | 887 | |
6548cf00 | 888 | cmcheckmagic (tty); |
08a24c47 JB |
889 | } |
890 | ||
da8e1115 KL |
891 | /* An implementation of delete_glyphs for termcap frames. */ |
892 | ||
ed8dad6b | 893 | static void |
385ed61f | 894 | tty_delete_glyphs (struct frame *f, int n) |
3224dac1 KL |
895 | { |
896 | char *buf; | |
897 | register int i; | |
3224dac1 KL |
898 | |
899 | struct tty_display_info *tty = FRAME_TTY (f); | |
6548cf00 | 900 | |
fca177d4 | 901 | if (tty->delete_in_insert_mode) |
08a24c47 | 902 | { |
ed8dad6b | 903 | tty_turn_on_insert (tty); |
08a24c47 JB |
904 | } |
905 | else | |
906 | { | |
ed8dad6b | 907 | tty_turn_off_insert (tty); |
fca177d4 | 908 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 | 909 | } |
daf01701 | 910 | |
fca177d4 | 911 | if (tty->TS_del_multi_chars) |
08a24c47 | 912 | { |
fca177d4 | 913 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 914 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 915 | xfree (buf); |
08a24c47 JB |
916 | } |
917 | else | |
918 | for (i = 0; i < n; i++) | |
fca177d4 KL |
919 | OUTPUT1 (tty, tty->TS_del_char); |
920 | if (!tty->delete_in_insert_mode) | |
921 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
922 | } |
923 | \f | |
da8e1115 KL |
924 | /* An implementation of ins_del_lines for termcap frames. */ |
925 | ||
ed8dad6b | 926 | static void |
385ed61f | 927 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
3224dac1 | 928 | { |
3224dac1 KL |
929 | struct tty_display_info *tty = FRAME_TTY (f); |
930 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
931 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
932 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
933 | ||
934 | register int i = n > 0 ? n : -n; | |
935 | register char *buf; | |
936 | ||
937 | /* If the lines below the insertion are being pushed | |
938 | into the end of the window, this is the same as clearing; | |
939 | and we know the lines are already clear, since the matching | |
940 | deletion has already been done. So can ignore this. */ | |
941 | /* If the lines below the deletion are blank lines coming | |
942 | out of the end of the window, don't bother, | |
943 | as there will be a matching inslines later that will flush them. */ | |
944 | if (FRAME_SCROLL_REGION_OK (f) | |
945 | && vpos + i >= tty->specified_window) | |
946 | return; | |
947 | if (!FRAME_MEMORY_BELOW_FRAME (f) | |
948 | && vpos + i >= FRAME_LINES (f)) | |
949 | return; | |
950 | ||
951 | if (multi) | |
08a24c47 | 952 | { |
6839f1e2 | 953 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 954 | tty_background_highlight (tty); |
3224dac1 KL |
955 | buf = tparam (multi, 0, 0, i); |
956 | OUTPUT (tty, buf); | |
957 | xfree (buf); | |
958 | } | |
959 | else if (single) | |
960 | { | |
6839f1e2 | 961 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 962 | tty_background_highlight (tty); |
3224dac1 KL |
963 | while (--i >= 0) |
964 | OUTPUT (tty, single); | |
965 | if (tty->TF_teleray) | |
966 | curX (tty) = 0; | |
08a24c47 | 967 | } |
08a24c47 JB |
968 | else |
969 | { | |
ed8dad6b | 970 | tty_set_scroll_region (f, vpos, tty->specified_window); |
3224dac1 | 971 | if (n < 0) |
6839f1e2 | 972 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 973 | else |
6839f1e2 | 974 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 975 | tty_background_highlight (tty); |
3224dac1 KL |
976 | while (--i >= 0) |
977 | OUTPUTL (tty, scroll, tty->specified_window - vpos); | |
ed8dad6b | 978 | tty_set_scroll_region (f, 0, tty->specified_window); |
3224dac1 KL |
979 | } |
980 | ||
981 | if (!FRAME_SCROLL_REGION_OK (f) | |
982 | && FRAME_MEMORY_BELOW_FRAME (f) | |
983 | && n < 0) | |
984 | { | |
385ed61f KL |
985 | cursor_to (f, FRAME_LINES (f) + n, 0); |
986 | clear_to_end (f); | |
08a24c47 JB |
987 | } |
988 | } | |
989 | \f | |
990 | /* Compute cost of sending "str", in characters, | |
991 | not counting any line-dependent padding. */ | |
992 | ||
993 | int | |
6839f1e2 | 994 | string_cost (char *str) |
08a24c47 JB |
995 | { |
996 | cost = 0; | |
997 | if (str) | |
998 | tputs (str, 0, evalcost); | |
999 | return cost; | |
1000 | } | |
1001 | ||
1002 | /* Compute cost of sending "str", in characters, | |
1003 | counting any line-dependent padding at one line. */ | |
1004 | ||
1005 | static int | |
6839f1e2 | 1006 | string_cost_one_line (char *str) |
08a24c47 JB |
1007 | { |
1008 | cost = 0; | |
1009 | if (str) | |
1010 | tputs (str, 1, evalcost); | |
1011 | return cost; | |
1012 | } | |
1013 | ||
1014 | /* Compute per line amount of line-dependent padding, | |
1015 | in tenths of characters. */ | |
1016 | ||
1017 | int | |
6839f1e2 | 1018 | per_line_cost (char *str) |
08a24c47 JB |
1019 | { |
1020 | cost = 0; | |
1021 | if (str) | |
1022 | tputs (str, 0, evalcost); | |
1023 | cost = - cost; | |
1024 | if (str) | |
1025 | tputs (str, 10, evalcost); | |
1026 | return cost; | |
1027 | } | |
1028 | ||
1029 | #ifndef old | |
1030 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1031 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1032 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1033 | |
1034 | int *char_ins_del_vector; | |
1035 | ||
9882535b | 1036 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1037 | #endif |
1038 | ||
1039 | /* ARGSUSED */ | |
1040 | static void | |
6839f1e2 | 1041 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1042 | { |
28d7d09f | 1043 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1044 | int ins_startup_cost, del_startup_cost; |
1045 | int ins_cost_per_char, del_cost_per_char; | |
1046 | register int i; | |
1047 | register int *p; | |
1048 | ||
fca177d4 | 1049 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1050 | { |
1051 | ins_cost_per_char = 0; | |
fca177d4 | 1052 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1053 | } |
fca177d4 KL |
1054 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1055 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1056 | { |
fca177d4 KL |
1057 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1058 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1059 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1060 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1061 | } |
1062 | else | |
1063 | { | |
1064 | ins_startup_cost = 9999; | |
1065 | ins_cost_per_char = 0; | |
1066 | } | |
1067 | ||
fca177d4 | 1068 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1069 | { |
1070 | del_cost_per_char = 0; | |
fca177d4 | 1071 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1072 | } |
fca177d4 | 1073 | else if (tty->TS_del_char) |
08a24c47 | 1074 | { |
fca177d4 KL |
1075 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1076 | + string_cost (tty->TS_end_delete_mode)); | |
1077 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1078 | del_startup_cost /= 2; |
fca177d4 | 1079 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1080 | } |
1081 | else | |
1082 | { | |
1083 | del_startup_cost = 9999; | |
1084 | del_cost_per_char = 0; | |
1085 | } | |
1086 | ||
1087 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1088 | p = &char_ins_del_cost (f)[0]; |
1089 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1090 | *--p = (del_startup_cost += del_cost_per_char); |
1091 | ||
1092 | /* Doing nothing is free */ | |
fca177d4 | 1093 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1094 | *p++ = 0; |
1095 | ||
1096 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1097 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1098 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1099 | } | |
1100 | ||
dfcf069d | 1101 | void |
6839f1e2 | 1102 | calculate_costs (struct frame *frame) |
08a24c47 | 1103 | { |
9f732a77 | 1104 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1105 | |
28d440ab | 1106 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1107 | { |
1108 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1109 | register char *f = (tty->TS_set_scroll_region | |
1110 | ? tty->TS_set_scroll_region | |
1111 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1112 | |
daf01701 | 1113 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1114 | |
daf01701 | 1115 | tty->costs_set = 1; |
08a24c47 | 1116 | |
daf01701 KL |
1117 | /* These variables are only used for terminal stuff. They are |
1118 | allocated once for the terminal frame of X-windows emacs, but not | |
1119 | used afterwards. | |
8dd0c7cb | 1120 | |
daf01701 KL |
1121 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1122 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1123 | |
daf01701 KL |
1124 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1125 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1126 | |
daf01701 KL |
1127 | if (char_ins_del_vector != 0) |
1128 | char_ins_del_vector | |
1129 | = (int *) xrealloc (char_ins_del_vector, | |
1130 | (sizeof (int) | |
1131 | + 2 * max_frame_cols * sizeof (int))); | |
1132 | else | |
1133 | char_ins_del_vector | |
1134 | = (int *) xmalloc (sizeof (int) | |
1135 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1136 | |
daf01701 KL |
1137 | bzero (char_ins_del_vector, (sizeof (int) |
1138 | + 2 * max_frame_cols * sizeof (int))); | |
1139 | ||
1140 | ||
1141 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1142 | do_line_insertion_deletion_costs (frame, | |
1143 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1144 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1145 | f, f, 1); | |
1146 | else | |
1147 | do_line_insertion_deletion_costs (frame, | |
1148 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1149 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1150 | 0, 0, 1); | |
1151 | ||
1152 | calculate_ins_del_char_costs (frame); | |
1153 | ||
1154 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1155 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1156 | tty->RPov = string_cost (tty->TS_repeat); | |
1157 | else | |
1158 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1159 | |
daf01701 KL |
1160 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1161 | } | |
08a24c47 JB |
1162 | } |
1163 | \f | |
a796ac82 JB |
1164 | struct fkey_table { |
1165 | char *cap, *name; | |
1166 | }; | |
1167 | ||
01d8deb0 ER |
1168 | /* Termcap capability names that correspond directly to X keysyms. |
1169 | Some of these (marked "terminfo") aren't supplied by old-style | |
1170 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1171 | except we put the keypad keys first, so that if they clash with | |
1172 | other keys (as on the IBM PC keyboard) they get overridden. | |
1173 | */ | |
1174 | ||
a168702a GM |
1175 | static struct fkey_table keys[] = |
1176 | { | |
8103ad1a PJ |
1177 | {"kh", "home"}, /* termcap */ |
1178 | {"kl", "left"}, /* termcap */ | |
1179 | {"ku", "up"}, /* termcap */ | |
1180 | {"kr", "right"}, /* termcap */ | |
1181 | {"kd", "down"}, /* termcap */ | |
1182 | {"%8", "prior"}, /* terminfo */ | |
1183 | {"%5", "next"}, /* terminfo */ | |
1184 | {"@7", "end"}, /* terminfo */ | |
1185 | {"@1", "begin"}, /* terminfo */ | |
1186 | {"*6", "select"}, /* terminfo */ | |
1187 | {"%9", "print"}, /* terminfo */ | |
1188 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1189 | /* |
1190 | * "insert" --- see below | |
1191 | */ | |
8103ad1a PJ |
1192 | {"&8", "undo"}, /* terminfo */ |
1193 | {"%0", "redo"}, /* terminfo */ | |
1194 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1195 | {"@0", "find"}, /* terminfo */ | |
1196 | {"@2", "cancel"}, /* terminfo */ | |
1197 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1198 | /* |
1199 | * "break" goes here, but can't be reliably intercepted with termcap | |
1200 | */ | |
8103ad1a | 1201 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1202 | /* |
1203 | * "system" and "user" --- no termcaps | |
1204 | */ | |
8103ad1a PJ |
1205 | {"kE", "clearline"}, /* terminfo */ |
1206 | {"kA", "insertline"}, /* terminfo */ | |
1207 | {"kL", "deleteline"}, /* terminfo */ | |
1208 | {"kI", "insertchar"}, /* terminfo */ | |
1209 | {"kD", "deletechar"}, /* terminfo */ | |
1210 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1211 | /* |
1212 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1213 | */ | |
8103ad1a | 1214 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1215 | /* |
1216 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1217 | * "kp-multiply", "kp-add", "kp-separator", | |
1218 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1219 | * --- no termcaps for any of these. | |
1220 | */ | |
8103ad1a | 1221 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1222 | /* |
1223 | * "kp-2" --- no termcap | |
1224 | */ | |
8103ad1a | 1225 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1226 | /* |
1227 | * "kp-4" --- no termcap | |
1228 | */ | |
8103ad1a | 1229 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1230 | /* |
1231 | * "kp-6" --- no termcap | |
1232 | */ | |
8103ad1a | 1233 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1234 | /* |
1235 | * "kp-8" --- no termcap | |
1236 | */ | |
8103ad1a | 1237 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1238 | /* |
1239 | * "kp-equal" --- no termcap | |
1240 | */ | |
8103ad1a PJ |
1241 | {"k1", "f1"}, |
1242 | {"k2", "f2"}, | |
1243 | {"k3", "f3"}, | |
1244 | {"k4", "f4"}, | |
1245 | {"k5", "f5"}, | |
1246 | {"k6", "f6"}, | |
1247 | {"k7", "f7"}, | |
1248 | {"k8", "f8"}, | |
60ec7b7e DN |
1249 | {"k9", "f9"}, |
1250 | ||
1251 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1252 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1253 | {"*0", "S-find"}, /*shifted find key*/ | |
1254 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1255 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1256 | {"*7", "S-end"}, /*shifted end key*/ | |
1257 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1258 | {"#1", "S-help"}, /*shifted help key*/ | |
1259 | {"#2", "S-home"}, /*shifted home key*/ | |
1260 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1261 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1262 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1263 | {"%c", "S-next"}, /*shifted next key*/ | |
1264 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1265 | {"%f", "S-print"}, /*shifted print key*/ | |
1266 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1267 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1268 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1269 | }; |
1270 | ||
e7cf0fa0 KL |
1271 | static char **term_get_fkeys_address; |
1272 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1273 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1274 | |
01d8deb0 | 1275 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1276 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1277 | adds entries to Vfunction_key_map for each function key it finds. */ |
1278 | ||
ed8dad6b | 1279 | static void |
e7cf0fa0 | 1280 | term_get_fkeys (address, kboard) |
5c2c7893 | 1281 | char **address; |
e7cf0fa0 | 1282 | KBOARD *kboard; |
f2a00342 RM |
1283 | { |
1284 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1285 | errors during the call. The only errors should be from Fdefine_key | |
1286 | when given a key sequence containing an invalid prefix key. If the | |
1287 | termcap defines function keys which use a prefix that is already bound | |
1288 | to a command by the default bindings, we should silently ignore that | |
1289 | function key specification, rather than giving the user an error and | |
1290 | refusing to run at all on such a terminal. */ | |
1291 | ||
1292 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1293 | term_get_fkeys_address = address; |
1294 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1295 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1296 | } | |
1297 | ||
1298 | static Lisp_Object | |
1299 | term_get_fkeys_1 () | |
5c2c7893 | 1300 | { |
5c2c7893 JB |
1301 | int i; |
1302 | ||
e7cf0fa0 KL |
1303 | char **address = term_get_fkeys_address; |
1304 | KBOARD *kboard = term_get_fkeys_kboard; | |
1305 | ||
3e65092f RS |
1306 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1307 | if (!initialized) | |
ac09dc1e | 1308 | kboard->Vlocal_function_key_map = Fmake_sparse_keymap (Qnil); |
3e65092f | 1309 | |
5c2c7893 JB |
1310 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1311 | { | |
1312 | char *sequence = tgetstr (keys[i].cap, address); | |
1313 | if (sequence) | |
ac09dc1e | 1314 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (sequence), |
f2a00342 RM |
1315 | Fmake_vector (make_number (1), |
1316 | intern (keys[i].name))); | |
5c2c7893 | 1317 | } |
a796ac82 JB |
1318 | |
1319 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1320 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1321 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1322 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1323 | */ | |
1324 | { | |
1325 | char *k_semi = tgetstr ("k;", address); | |
1326 | char *k0 = tgetstr ("k0", address); | |
1327 | char *k0_name = "f10"; | |
1328 | ||
1329 | if (k_semi) | |
1330 | { | |
95c11956 SM |
1331 | if (k0) |
1332 | /* Define f0 first, so that f10 takes precedence in case the | |
1333 | key sequences happens to be the same. */ | |
ac09dc1e | 1334 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (k0), |
95c11956 | 1335 | Fmake_vector (make_number (1), intern ("f0"))); |
ac09dc1e | 1336 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (k_semi), |
f2a00342 | 1337 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1338 | } |
95c11956 | 1339 | else if (k0) |
ac09dc1e | 1340 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (k0), |
f2a00342 | 1341 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1342 | } |
01d8deb0 ER |
1343 | |
1344 | /* Set up cookies for numbered function keys above f10. */ | |
1345 | { | |
1346 | char fcap[3], fkey[4]; | |
1347 | ||
fc4f24da | 1348 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1349 | for (i = 11; i < 64; i++) |
1350 | { | |
1351 | if (i <= 19) | |
1352 | fcap[1] = '1' + i - 11; | |
1353 | else if (i <= 45) | |
b59ab95c | 1354 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1355 | else |
b59ab95c | 1356 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1357 | |
fc4f24da RS |
1358 | { |
1359 | char *sequence = tgetstr (fcap, address); | |
1360 | if (sequence) | |
1361 | { | |
465db27b | 1362 | sprintf (fkey, "f%d", i); |
ac09dc1e | 1363 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (sequence), |
f2a00342 RM |
1364 | Fmake_vector (make_number (1), |
1365 | intern (fkey))); | |
fc4f24da RS |
1366 | } |
1367 | } | |
01d8deb0 ER |
1368 | } |
1369 | } | |
1370 | ||
1371 | /* | |
1372 | * Various mappings to try and get a better fit. | |
1373 | */ | |
1374 | { | |
fc4f24da RS |
1375 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1376 | if (!tgetstr (cap1, address)) \ | |
1377 | { \ | |
1378 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1379 | if (sequence) \ |
ac09dc1e | 1380 | Fdefine_key (kboard->Vlocal_function_key_map, build_string (sequence), \ |
e7cf0fa0 KL |
1381 | Fmake_vector (make_number (1), \ |
1382 | intern (sym))); \ | |
fc4f24da | 1383 | } |
177c0ea7 | 1384 | |
01d8deb0 | 1385 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1386 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1387 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1388 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1389 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1390 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1391 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1392 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1393 | |
1394 | /* IBM has their own non-standard dialect of terminfo. | |
1395 | If the standard name isn't found, try the IBM name. */ | |
1396 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1397 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1398 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1399 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1400 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1401 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1402 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1403 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1404 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1405 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1406 | } |
a168702a GM |
1407 | |
1408 | return Qnil; | |
5c2c7893 JB |
1409 | } |
1410 | ||
1411 | \f | |
a168702a GM |
1412 | /*********************************************************************** |
1413 | Character Display Information | |
1414 | ***********************************************************************/ | |
1415 | ||
47021b11 KS |
1416 | /* Avoid name clash with functions defined in xterm.c */ |
1417 | #ifdef static | |
1418 | #define append_glyph append_glyph_term | |
1419 | #define produce_stretch_glyph produce_stretch_glyph_term | |
1420 | #endif | |
1421 | ||
a168702a | 1422 | static void append_glyph P_ ((struct it *)); |
f46c2aff | 1423 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1424 | |
1425 | ||
1426 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1427 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1428 | the character for which to produce glyphs; IT->face_id contains the | |
1429 | character's face. Padding glyphs are appended if IT->c has a | |
1430 | IT->pixel_width > 1. */ | |
177c0ea7 | 1431 | |
a168702a GM |
1432 | static void |
1433 | append_glyph (it) | |
1434 | struct it *it; | |
1435 | { | |
1436 | struct glyph *glyph, *end; | |
1437 | int i; | |
1438 | ||
1439 | xassert (it->glyph_row); | |
1440 | glyph = (it->glyph_row->glyphs[it->area] | |
1441 | + it->glyph_row->used[it->area]); | |
1442 | end = it->glyph_row->glyphs[1 + it->area]; | |
1443 | ||
177c0ea7 JB |
1444 | for (i = 0; |
1445 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1446 | ++i) |
1447 | { | |
1448 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1449 | glyph->pixel_width = 1; |
d2b4c17d | 1450 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1451 | glyph->face_id = it->face_id; |
1452 | glyph->padding_p = i > 0; | |
a168702a GM |
1453 | glyph->charpos = CHARPOS (it->position); |
1454 | glyph->object = it->object; | |
177c0ea7 | 1455 | |
a168702a GM |
1456 | ++it->glyph_row->used[it->area]; |
1457 | ++glyph; | |
1458 | } | |
1459 | } | |
1460 | ||
1461 | ||
b50fe468 RS |
1462 | /* Produce glyphs for the display element described by IT. *IT |
1463 | specifies what we want to produce a glyph for (character, image, ...), | |
1464 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1465 | produce_glyphs fills in output fields of *IT with information such as the | |
1466 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1467 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1468 | struct display_iterator in dispextern.h for an overview. |
1469 | ||
1470 | produce_glyphs also stores the result of glyph width, ascent | |
1471 | etc. computations in *IT. | |
1472 | ||
1473 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1474 | actually fill in the glyphs. This is used in the move_* functions | |
1475 | in xdisp.c for text width and height computations. | |
1476 | ||
1477 | Callers usually don't call produce_glyphs directly; | |
1478 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1479 | |
177c0ea7 | 1480 | void |
a168702a GM |
1481 | produce_glyphs (it) |
1482 | struct it *it; | |
1483 | { | |
1484 | /* If a hook is installed, let it do the work. */ | |
1485 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1486 | || it->what == IT_COMPOSITION |
a168702a | 1487 | || it->what == IT_STRETCH); |
177c0ea7 | 1488 | |
f46c2aff KS |
1489 | if (it->what == IT_STRETCH) |
1490 | { | |
1491 | produce_stretch_glyph (it); | |
1492 | goto done; | |
1493 | } | |
1494 | ||
c7cba11d KH |
1495 | /* Nothing but characters are supported on terminal frames. For a |
1496 | composition sequence, it->c is the first character of the | |
1497 | sequence. */ | |
1498 | xassert (it->what == IT_CHARACTER | |
1499 | || it->what == IT_COMPOSITION); | |
a168702a | 1500 | |
d2b4c17d KH |
1501 | /* Maybe translate single-byte characters to multibyte. */ |
1502 | it->char_to_display = it->c; | |
1503 | ||
a168702a GM |
1504 | if (it->c >= 040 && it->c < 0177) |
1505 | { | |
1506 | it->pixel_width = it->nglyphs = 1; | |
1507 | if (it->glyph_row) | |
1508 | append_glyph (it); | |
1509 | } | |
1510 | else if (it->c == '\n') | |
1511 | it->pixel_width = it->nglyphs = 0; | |
1512 | else if (it->c == '\t') | |
1513 | { | |
2efdbcdd | 1514 | int absolute_x = (it->current_x |
a168702a | 1515 | + it->continuation_lines_width); |
177c0ea7 JB |
1516 | int next_tab_x |
1517 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1518 | / it->tab_width) |
1519 | * it->tab_width); | |
1520 | int nspaces; | |
1521 | ||
1522 | /* If part of the TAB has been displayed on the previous line | |
1523 | which is continued now, continuation_lines_width will have | |
1524 | been incremented already by the part that fitted on the | |
1525 | continued line. So, we will get the right number of spaces | |
1526 | here. */ | |
1527 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1528 | |
a168702a GM |
1529 | if (it->glyph_row) |
1530 | { | |
1531 | int n = nspaces; | |
177c0ea7 | 1532 | |
d2b4c17d | 1533 | it->char_to_display = ' '; |
a168702a | 1534 | it->pixel_width = it->len = 1; |
177c0ea7 | 1535 | |
a168702a GM |
1536 | while (n--) |
1537 | append_glyph (it); | |
a168702a GM |
1538 | } |
1539 | ||
1540 | it->pixel_width = nspaces; | |
1541 | it->nglyphs = nspaces; | |
1542 | } | |
add44890 EZ |
1543 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1544 | { | |
d2b4c17d KH |
1545 | if (unibyte_display_via_language_environment |
1546 | && (it->c >= 0240 | |
1547 | || !NILP (Vnonascii_translation_table))) | |
1548 | { | |
1549 | int charset; | |
1550 | ||
1551 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1552 | charset = CHAR_CHARSET (it->char_to_display); | |
1553 | it->pixel_width = CHARSET_WIDTH (charset); | |
1554 | it->nglyphs = it->pixel_width; | |
1555 | if (it->glyph_row) | |
1556 | append_glyph (it); | |
1557 | } | |
1558 | else | |
1559 | { | |
1560 | /* Coming here means that it->c is from display table, thus we | |
1561 | must send the code as is to the terminal. Although there's | |
1562 | no way to know how many columns it occupies on a screen, it | |
1563 | is a good assumption that a single byte code has 1-column | |
1564 | width. */ | |
1565 | it->pixel_width = it->nglyphs = 1; | |
1566 | if (it->glyph_row) | |
1567 | append_glyph (it); | |
1568 | } | |
add44890 | 1569 | } |
a168702a GM |
1570 | else |
1571 | { | |
c7cba11d KH |
1572 | /* A multi-byte character. The display width is fixed for all |
1573 | characters of the set. Some of the glyphs may have to be | |
1574 | ignored because they are already displayed in a continued | |
1575 | line. */ | |
a168702a GM |
1576 | int charset = CHAR_CHARSET (it->c); |
1577 | ||
c7cba11d | 1578 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1579 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1580 | |
a168702a GM |
1581 | if (it->glyph_row) |
1582 | append_glyph (it); | |
1583 | } | |
1584 | ||
f46c2aff | 1585 | done: |
177c0ea7 | 1586 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1587 | the caller. */ |
1588 | if (it->area == TEXT_AREA) | |
1589 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1590 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1591 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1592 | } |
1593 | ||
1594 | ||
f46c2aff KS |
1595 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1596 | of the glyph property displayed. The value must be a list | |
1597 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1598 | being recognized: | |
1599 | ||
1600 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1601 | canonical char width wide. WIDTH may be an integer or floating | |
1602 | point number. | |
1603 | ||
1604 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1605 | to reach HPOS, a value in canonical character units. */ | |
1606 | ||
1607 | static void | |
1608 | produce_stretch_glyph (it) | |
1609 | struct it *it; | |
1610 | { | |
1611 | /* (space :width WIDTH ...) */ | |
1612 | Lisp_Object prop, plist; | |
1613 | int width = 0, align_to = -1; | |
1614 | int zero_width_ok_p = 0; | |
1615 | double tem; | |
1616 | ||
1617 | /* List should start with `space'. */ | |
1618 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1619 | plist = XCDR (it->object); | |
1620 | ||
1621 | /* Compute the width of the stretch. */ | |
1622 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1623 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1624 | { | |
1625 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1626 | zero_width_ok_p = 1; | |
1627 | width = (int)(tem + 0.5); | |
1628 | } | |
1629 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1630 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1631 | { | |
1632 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1633 | align_to = (align_to < 0 |
f46c2aff KS |
1634 | ? 0 |
1635 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1636 | else if (align_to < 0) | |
1637 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1638 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1639 | zero_width_ok_p = 1; | |
1640 | } | |
1641 | else | |
1642 | /* Nothing specified -> width defaults to canonical char width. */ | |
1643 | width = FRAME_COLUMN_WIDTH (it->f); | |
1644 | ||
1645 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1646 | width = 1; | |
1647 | ||
1648 | if (width > 0 && it->glyph_row) | |
1649 | { | |
1650 | Lisp_Object o_object = it->object; | |
1651 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1652 | int n = width; | |
f46c2aff KS |
1653 | |
1654 | if (!STRINGP (object)) | |
1655 | object = it->w->buffer; | |
1656 | it->object = object; | |
d2b4c17d | 1657 | it->char_to_display = ' '; |
f46c2aff KS |
1658 | it->pixel_width = it->len = 1; |
1659 | while (n--) | |
1660 | append_glyph (it); | |
1661 | it->object = o_object; | |
f46c2aff KS |
1662 | } |
1663 | it->pixel_width = width; | |
1664 | it->nglyphs = width; | |
1665 | } | |
1666 | ||
1667 | ||
a168702a GM |
1668 | /* Get information about special display element WHAT in an |
1669 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1670 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1671 | non-null glyph_row member. This function ensures that fields like | |
1672 | face_id, c, len of IT are left untouched. */ | |
1673 | ||
1674 | void | |
1675 | produce_special_glyphs (it, what) | |
1676 | struct it *it; | |
1677 | enum display_element_type what; | |
1678 | { | |
1679 | struct it temp_it; | |
072d84a6 | 1680 | GLYPH glyph; |
177c0ea7 | 1681 | |
a168702a GM |
1682 | temp_it = *it; |
1683 | temp_it.dp = NULL; | |
1684 | temp_it.what = IT_CHARACTER; | |
1685 | temp_it.len = 1; | |
7c752c80 | 1686 | temp_it.object = make_number (0); |
a168702a GM |
1687 | bzero (&temp_it.current, sizeof temp_it.current); |
1688 | ||
1689 | if (what == IT_CONTINUATION) | |
1690 | { | |
1691 | /* Continuation glyph. */ | |
1692 | if (it->dp | |
1693 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1694 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1695 | { | |
072d84a6 RS |
1696 | glyph = XINT (DISP_CONTINUE_GLYPH (it->dp)); |
1697 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1698 | } |
1699 | else | |
072d84a6 | 1700 | glyph = '\\'; |
a168702a GM |
1701 | } |
1702 | else if (what == IT_TRUNCATION) | |
1703 | { | |
1704 | /* Truncation glyph. */ | |
1705 | if (it->dp | |
1706 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1707 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1708 | { | |
072d84a6 RS |
1709 | glyph = XINT (DISP_TRUNC_GLYPH (it->dp)); |
1710 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1711 | } |
1712 | else | |
072d84a6 | 1713 | glyph = '$'; |
a168702a GM |
1714 | } |
1715 | else | |
1716 | abort (); | |
072d84a6 RS |
1717 | |
1718 | temp_it.c = FAST_GLYPH_CHAR (glyph); | |
1719 | temp_it.face_id = FAST_GLYPH_FACE (glyph); | |
1720 | temp_it.len = CHAR_BYTES (temp_it.c); | |
1721 | ||
1722 | produce_glyphs (&temp_it); | |
1723 | it->pixel_width = temp_it.pixel_width; | |
1724 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1725 | } |
1726 | ||
1727 | ||
a168702a GM |
1728 | \f |
1729 | /*********************************************************************** | |
1730 | Faces | |
1731 | ***********************************************************************/ | |
1732 | ||
4e6ba4a4 GM |
1733 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1734 | one of the enumerators from enum no_color_bit, or a bit set built | |
1735 | from them. Some display attributes may not be used together with | |
1736 | color; the termcap capability `NC' specifies which ones. */ | |
1737 | ||
fca177d4 KL |
1738 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1739 | (tty->TN_max_colors > 0 \ | |
1740 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1741 | : 1) | |
a168702a | 1742 | |
072d84a6 RS |
1743 | /* Turn appearances of face FACE_ID on tty frame F on. |
1744 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1745 | |
1746 | static void | |
1747 | turn_on_face (f, face_id) | |
1748 | struct frame *f; | |
1749 | int face_id; | |
1750 | { | |
1751 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1752 | long fg = face->foreground; |
1753 | long bg = face->background; | |
28d7d09f | 1754 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1755 | |
86a7d192 GM |
1756 | /* Do this first because TS_end_standout_mode may be the same |
1757 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1758 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1759 | { |
fca177d4 | 1760 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1761 | { |
1762 | if (fg >= 0 && bg >= 0) | |
1763 | { | |
1764 | /* If the terminal supports colors, we can set them | |
1765 | below without using reverse video. The face's fg | |
1766 | and bg colors are set as they should appear on | |
1767 | the screen, i.e. they take the inverse-video'ness | |
1768 | of the face already into account. */ | |
1769 | } | |
1770 | else if (inverse_video) | |
1771 | { | |
1772 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1773 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1774 | tty_toggle_highlight (tty); |
86a7d192 GM |
1775 | } |
1776 | else | |
1777 | { | |
1778 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1779 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1780 | tty_toggle_highlight (tty); |
86a7d192 GM |
1781 | } |
1782 | } | |
1783 | else | |
1784 | { | |
1785 | /* If we can't display colors, use reverse video | |
1786 | if the face specifies that. */ | |
37526b42 GM |
1787 | if (inverse_video) |
1788 | { | |
1789 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1790 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1791 | tty_toggle_highlight (tty); |
37526b42 GM |
1792 | } |
1793 | else | |
1794 | { | |
1795 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1796 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1797 | tty_toggle_highlight (tty); |
37526b42 | 1798 | } |
86a7d192 GM |
1799 | } |
1800 | } | |
a168702a GM |
1801 | |
1802 | if (face->tty_bold_p) | |
4e6ba4a4 | 1803 | { |
fca177d4 KL |
1804 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1805 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1806 | } |
a168702a | 1807 | else if (face->tty_dim_p) |
fca177d4 KL |
1808 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1809 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1810 | |
1811 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1812 | if (face->tty_alt_charset_p |
fca177d4 KL |
1813 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1814 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1815 | |
4e6ba4a4 | 1816 | if (face->tty_blinking_p |
fca177d4 KL |
1817 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1818 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1819 | |
fca177d4 KL |
1820 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1821 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1822 | |
fca177d4 | 1823 | if (tty->TN_max_colors > 0) |
a168702a | 1824 | { |
753d161b | 1825 | char *ts, *p; |
177c0ea7 | 1826 | |
fbf34973 | 1827 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1828 | if (fg >= 0 && ts) |
a168702a | 1829 | { |
fbf34973 | 1830 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 1831 | OUTPUT (tty, p); |
a168702a GM |
1832 | xfree (p); |
1833 | } | |
1834 | ||
fbf34973 | 1835 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1836 | if (bg >= 0 && ts) |
a168702a | 1837 | { |
fbf34973 | 1838 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 1839 | OUTPUT (tty, p); |
a168702a GM |
1840 | xfree (p); |
1841 | } | |
1842 | } | |
1843 | } | |
177c0ea7 | 1844 | |
a168702a GM |
1845 | |
1846 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1847 | ||
1848 | static void | |
1849 | turn_off_face (f, face_id) | |
1850 | struct frame *f; | |
1851 | int face_id; | |
1852 | { | |
1853 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1854 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1855 | |
1856 | xassert (face != NULL); | |
1857 | ||
fca177d4 | 1858 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1859 | { |
1860 | /* Capability "me" will turn off appearance modes double-bright, | |
1861 | half-bright, reverse-video, standout, underline. It may or | |
1862 | may not turn off alt-char-mode. */ | |
1863 | if (face->tty_bold_p | |
1864 | || face->tty_dim_p | |
1865 | || face->tty_reverse_p | |
1866 | || face->tty_alt_charset_p | |
1867 | || face->tty_blinking_p | |
1868 | || face->tty_underline_p) | |
65aa5e85 | 1869 | { |
fca177d4 KL |
1870 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1871 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1872 | tty->standout_mode = 0; | |
65aa5e85 | 1873 | } |
a168702a GM |
1874 | |
1875 | if (face->tty_alt_charset_p) | |
fca177d4 | 1876 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1877 | } |
1878 | else | |
1879 | { | |
1880 | /* If we don't have "me" we can only have those appearances | |
1881 | that have exit sequences defined. */ | |
1882 | if (face->tty_alt_charset_p) | |
fca177d4 | 1883 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1884 | |
54800acb | 1885 | if (face->tty_underline_p) |
fca177d4 | 1886 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
1887 | } |
1888 | ||
1889 | /* Switch back to default colors. */ | |
fca177d4 | 1890 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
1891 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1892 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1893 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1894 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 1895 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 1896 | } |
177c0ea7 JB |
1897 | |
1898 | ||
b63a55ac MB |
1899 | /* Return non-zero if the terminal on frame F supports all of the |
1900 | capabilities in CAPS simultaneously, with foreground and background | |
1901 | colors FG and BG. */ | |
1902 | ||
4a8130f2 | 1903 | int |
fca177d4 | 1904 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 1905 | struct tty_display_info *tty; |
b63a55ac MB |
1906 | unsigned caps; |
1907 | unsigned long fg, bg; | |
1908 | { | |
fca177d4 KL |
1909 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
1910 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
1911 | return 0; |
1912 | ||
fca177d4 KL |
1913 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
1914 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
1915 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
1916 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
1917 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
1918 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
1919 | |
1920 | /* We can do it! */ | |
1921 | return 1; | |
1922 | } | |
1923 | ||
a168702a GM |
1924 | /* Return non-zero if the terminal is capable to display colors. */ |
1925 | ||
1926 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1927 | 0, 1, 0, |
6ed8eeff KL |
1928 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
1929 | ||
1930 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
1931 | frame's terminal). This function always returns nil if TERMINAL | |
1932 | is not on a tty device. */) | |
1933 | (terminal) | |
1934 | Lisp_Object terminal; | |
a168702a | 1935 | { |
717a00ef | 1936 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 1937 | if (!t) |
428a555e | 1938 | return Qnil; |
3224dac1 | 1939 | else |
6ed8eeff | 1940 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
1941 | } |
1942 | ||
bfa62f96 EZ |
1943 | /* Return the number of supported colors. */ |
1944 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1945 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
1946 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
1947 | ||
1948 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
717a00ef | 1949 | frame's terminal). This function always returns 0 if TERMINAL |
6ed8eeff KL |
1950 | is not on a tty device. */) |
1951 | (terminal) | |
1952 | Lisp_Object terminal; | |
bfa62f96 | 1953 | { |
717a00ef | 1954 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 1955 | if (!t) |
8c8d5f35 | 1956 | return make_number (0); |
3224dac1 | 1957 | else |
6ed8eeff | 1958 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
1959 | } |
1960 | ||
ace28297 | 1961 | #ifndef WINDOWSNT |
a168702a | 1962 | |
5205ee62 GM |
1963 | /* Declare here rather than in the function, as in the rest of Emacs, |
1964 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 1965 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
1966 | static int default_max_colors; |
1967 | static int default_max_pairs; | |
1968 | static int default_no_color_video; | |
1969 | static char *default_orig_pair; | |
1970 | static char *default_set_foreground; | |
1971 | static char *default_set_background; | |
fcf8ff2e | 1972 | |
ace28297 EZ |
1973 | /* Save or restore the default color-related capabilities of this |
1974 | terminal. */ | |
1975 | static void | |
28d7d09f | 1976 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 1977 | { |
ace28297 EZ |
1978 | |
1979 | if (save) | |
1980 | { | |
1981 | if (default_orig_pair) | |
1982 | xfree (default_orig_pair); | |
fca177d4 | 1983 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
1984 | |
1985 | if (default_set_foreground) | |
1986 | xfree (default_set_foreground); | |
fca177d4 | 1987 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
1988 | : NULL; |
1989 | ||
1990 | if (default_set_background) | |
1991 | xfree (default_set_background); | |
fca177d4 | 1992 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
1993 | : NULL; |
1994 | ||
fca177d4 KL |
1995 | default_max_colors = tty->TN_max_colors; |
1996 | default_max_pairs = tty->TN_max_pairs; | |
1997 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
1998 | } |
1999 | else | |
2000 | { | |
fca177d4 KL |
2001 | tty->TS_orig_pair = default_orig_pair; |
2002 | tty->TS_set_foreground = default_set_foreground; | |
2003 | tty->TS_set_background = default_set_background; | |
2004 | tty->TN_max_colors = default_max_colors; | |
2005 | tty->TN_max_pairs = default_max_pairs; | |
2006 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2007 | } |
2008 | } | |
2009 | ||
2010 | /* Setup one of the standard tty color schemes according to MODE. | |
2011 | MODE's value is generally the number of colors which we want to | |
2012 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2013 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2014 | static void |
28d7d09f | 2015 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2016 | { |
40409f05 EZ |
2017 | /* Canonicalize all negative values of MODE. */ |
2018 | if (mode < -1) | |
2019 | mode = -1; | |
2020 | ||
ace28297 EZ |
2021 | switch (mode) |
2022 | { | |
2023 | case -1: /* no colors at all */ | |
fca177d4 KL |
2024 | tty->TN_max_colors = 0; |
2025 | tty->TN_max_pairs = 0; | |
2026 | tty->TN_no_color_video = 0; | |
2027 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2028 | break; |
2029 | case 0: /* default colors, if any */ | |
2030 | default: | |
fca177d4 | 2031 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2032 | break; |
2033 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2034 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2035 | #ifdef TERMINFO |
fca177d4 KL |
2036 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2037 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2038 | #else |
fca177d4 KL |
2039 | tty->TS_set_foreground = "\033[3%dm"; |
2040 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2041 | #endif |
fca177d4 KL |
2042 | tty->TN_max_colors = 8; |
2043 | tty->TN_max_pairs = 64; | |
2044 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2045 | break; |
2046 | } | |
2047 | } | |
2048 | ||
2049 | void | |
2050 | set_tty_color_mode (f, val) | |
2051 | struct frame *f; | |
2052 | Lisp_Object val; | |
2053 | { | |
dfc7a077 | 2054 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2055 | Lisp_Object color_mode, current_mode; |
2056 | int mode, old_mode; | |
2057 | extern Lisp_Object Qtty_color_mode; | |
2058 | Lisp_Object tty_color_mode_alist; | |
2059 | ||
2060 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2061 | Qnil); | |
2062 | ||
9ac61a89 | 2063 | if (INTEGERP (val)) |
ace28297 EZ |
2064 | color_mode = val; |
2065 | else | |
2066 | { | |
2067 | if (NILP (tty_color_mode_alist)) | |
2068 | color_mode_spec = Qnil; | |
2069 | else | |
2070 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2071 | |
2072 | if (CONSP (color_mode_spec)) | |
2073 | color_mode = XCDR (color_mode_spec); | |
2074 | else | |
2075 | color_mode = Qnil; | |
2076 | } | |
545d91d5 RS |
2077 | |
2078 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2079 | ||
ace28297 EZ |
2080 | if (CONSP (current_mode_spec)) |
2081 | current_mode = XCDR (current_mode_spec); | |
2082 | else | |
2083 | current_mode = Qnil; | |
9ac61a89 | 2084 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2085 | mode = XINT (color_mode); |
2086 | else | |
2087 | mode = 0; /* meaning default */ | |
9ac61a89 | 2088 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2089 | old_mode = XINT (current_mode); |
2090 | else | |
2091 | old_mode = 0; | |
2092 | ||
2093 | if (mode != old_mode) | |
2094 | { | |
fca177d4 | 2095 | tty_setup_colors (FRAME_TTY (f), mode); |
ace28297 EZ |
2096 | /* This recomputes all the faces given the new color |
2097 | definitions. */ | |
2098 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2099 | redraw_frame (f); | |
2100 | } | |
2101 | } | |
2102 | ||
2103 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2104 | |
2105 | \f | |
28d440ab | 2106 | |
6ed8eeff | 2107 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2108 | |
6ed8eeff | 2109 | struct terminal * |
717a00ef | 2110 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2111 | { |
717a00ef | 2112 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2113 | |
6ed8eeff | 2114 | if (t && t->type != output_termcap) |
717a00ef KL |
2115 | { |
2116 | if (throw) | |
2117 | error ("Device %d is not a termcap terminal device", t->id); | |
2118 | else | |
2119 | return NULL; | |
2120 | } | |
b6660415 | 2121 | |
6ed8eeff | 2122 | return t; |
b6660415 KL |
2123 | } |
2124 | ||
ab797f65 KL |
2125 | /* Return an active termcap device that uses the tty device with the |
2126 | given name. | |
b6660415 | 2127 | |
7e59217d | 2128 | This function ignores suspended devices. |
da8e1115 KL |
2129 | |
2130 | Returns NULL if the named terminal device is not opened. */ | |
2131 | ||
6ed8eeff | 2132 | struct terminal * |
7e59217d | 2133 | get_named_tty (name) |
28d440ab KL |
2134 | char *name; |
2135 | { | |
6ed8eeff KL |
2136 | struct terminal *t; |
2137 | ||
ab797f65 KL |
2138 | if (!name) |
2139 | abort (); | |
2140 | ||
2141 | for (t = terminal_list; t; t = t->next_terminal) | |
2142 | { | |
2143 | if (t->type == output_termcap | |
2144 | && !strcmp (t->display_info.tty->name, name) | |
2145 | && TERMINAL_ACTIVE_P (t)) | |
2146 | return t; | |
2147 | } | |
28d440ab KL |
2148 | |
2149 | return 0; | |
2150 | } | |
2151 | ||
2152 | \f | |
6ed8eeff KL |
2153 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2154 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2155 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2156 | |
6ed8eeff KL |
2157 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2158 | frame's terminal). */) | |
2159 | (terminal) | |
2160 | Lisp_Object terminal; | |
b6660415 | 2161 | { |
6ed8eeff | 2162 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2163 | |
6ed8eeff | 2164 | if (t->type != output_termcap) |
ab797f65 KL |
2165 | return Qnil; |
2166 | ||
6ed8eeff KL |
2167 | if (t->display_info.tty->type) |
2168 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2169 | else |
2170 | return Qnil; | |
2171 | } | |
2172 | ||
6ed8eeff KL |
2173 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
2174 | doc: /* Return non-nil if TERMINAL is on the controlling tty of the Emacs process. | |
a3fbb897 | 2175 | |
6ed8eeff KL |
2176 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2177 | frame's terminal). This function always returns nil if TERMINAL | |
2178 | is not on a tty device. */) | |
2179 | (terminal) | |
2180 | Lisp_Object terminal; | |
4a933ef8 | 2181 | { |
6ed8eeff | 2182 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2183 | |
78048085 | 2184 | if (t->type != output_termcap || strcmp (t->display_info.tty->name, DEV_TTY)) |
4a933ef8 KL |
2185 | return Qnil; |
2186 | else | |
2187 | return Qt; | |
2188 | } | |
2189 | ||
a3fbb897 | 2190 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2191 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2192 | This is used to override the terminfo data, for certain terminals that |
2193 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2194 | no effect if used on a non-tty terminal. |
a3fbb897 | 2195 | |
6ed8eeff KL |
2196 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2197 | frame's terminal). This function always returns nil if TERMINAL | |
2198 | is not on a tty device. */) | |
2199 | (terminal) | |
2200 | Lisp_Object terminal; | |
a3fbb897 | 2201 | { |
6ed8eeff | 2202 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2203 | |
6ed8eeff KL |
2204 | if (t->type == output_termcap) |
2205 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2206 | return Qnil; |
2207 | } | |
2208 | ||
ed8dad6b KL |
2209 | \f |
2210 | ||
2211 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2212 | doc: /* Suspend the terminal device TTY. | |
2213 | ||
2214 | The device is restored to its default state, and Emacs ceases all | |
2215 | access to the tty device. Frames that use the device are not deleted, | |
2216 | but input is not read from them and if they change, their display is | |
2217 | not updated. | |
2218 | ||
2219 | TTY may be a terminal id, a frame, or nil for the terminal device of | |
2220 | the currently selected frame. | |
2221 | ||
e4019195 | 2222 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2223 | device. The functions are run with one arg, the id of the suspended |
2224 | terminal device. | |
2225 | ||
2226 | `suspend-tty' does nothing if it is called on a device that is already | |
2227 | suspended. | |
2228 | ||
2229 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2230 | (tty) | |
2231 | Lisp_Object tty; | |
2232 | { | |
717a00ef | 2233 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2234 | FILE *f; |
2235 | ||
6ed8eeff | 2236 | if (!t) |
ed8dad6b KL |
2237 | error ("Unknown tty device"); |
2238 | ||
6ed8eeff | 2239 | f = t->display_info.tty->input; |
ed8dad6b KL |
2240 | |
2241 | if (f) | |
2242 | { | |
23d4cba5 DN |
2243 | /* First run `suspend-tty-functions' and then clean up the tty |
2244 | state because `suspend-tty-functions' might need to change | |
2245 | the tty state. */ | |
2246 | if (!NILP (Vrun_hooks)) | |
2247 | { | |
2248 | Lisp_Object args[2]; | |
2249 | args[0] = intern ("suspend-tty-functions"); | |
2250 | XSETTERMINAL (args[1], t); | |
2251 | Frun_hook_with_args (2, args); | |
2252 | } | |
2253 | ||
6ed8eeff | 2254 | reset_sys_modes (t->display_info.tty); |
ed8dad6b KL |
2255 | |
2256 | delete_keyboard_wait_descriptor (fileno (f)); | |
2257 | ||
2258 | fclose (f); | |
6ed8eeff KL |
2259 | if (f != t->display_info.tty->output) |
2260 | fclose (t->display_info.tty->output); | |
ed8dad6b | 2261 | |
6ed8eeff KL |
2262 | t->display_info.tty->input = 0; |
2263 | t->display_info.tty->output = 0; | |
ed8dad6b | 2264 | |
6ed8eeff KL |
2265 | if (FRAMEP (t->display_info.tty->top_frame)) |
2266 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
ed8dad6b | 2267 | |
ed8dad6b KL |
2268 | } |
2269 | ||
4a665758 KL |
2270 | /* Clear display hooks to prevent further output. */ |
2271 | clear_tty_hooks (t); | |
2272 | ||
ed8dad6b KL |
2273 | return Qnil; |
2274 | } | |
2275 | ||
2276 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2277 | doc: /* Resume the previously suspended terminal device TTY. | |
2278 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2279 | suspended terminal are revived. |
ed8dad6b | 2280 | |
6ed8eeff KL |
2281 | It is an error to resume a terminal while another terminal is active |
2282 | on the same device. | |
ed8dad6b | 2283 | |
e4019195 | 2284 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2285 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2286 | device. |
2287 | ||
2288 | `resume-tty' does nothing if it is called on a device that is not | |
2289 | suspended. | |
2290 | ||
6ed8eeff KL |
2291 | TTY may be a terminal id, a frame, or nil for the terminal device of |
2292 | the currently selected frame. */) | |
ed8dad6b KL |
2293 | (tty) |
2294 | Lisp_Object tty; | |
2295 | { | |
717a00ef | 2296 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2297 | int fd; |
2298 | ||
6ed8eeff | 2299 | if (!t) |
ed8dad6b KL |
2300 | error ("Unknown tty device"); |
2301 | ||
6ed8eeff | 2302 | if (!t->display_info.tty->input) |
ed8dad6b | 2303 | { |
6ed8eeff | 2304 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2305 | error ("Cannot resume display while another display is active on the same device"); |
2306 | ||
6ed8eeff | 2307 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2308 | |
59b3194c KL |
2309 | if (fd == -1) |
2310 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2311 | |
78048085 | 2312 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2313 | dissociate_if_controlling_tty (fd); |
78048085 | 2314 | |
6ed8eeff KL |
2315 | t->display_info.tty->output = fdopen (fd, "w+"); |
2316 | t->display_info.tty->input = t->display_info.tty->output; | |
78048085 | 2317 | |
ed8dad6b KL |
2318 | add_keyboard_wait_descriptor (fd); |
2319 | ||
6ed8eeff KL |
2320 | if (FRAMEP (t->display_info.tty->top_frame)) |
2321 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
ed8dad6b | 2322 | |
6ed8eeff | 2323 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2324 | |
e4019195 | 2325 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2326 | if (!NILP (Vrun_hooks)) |
2327 | { | |
2328 | Lisp_Object args[2]; | |
e4019195 | 2329 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2330 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2331 | Frun_hook_with_args (2, args); |
2332 | } | |
2333 | } | |
2334 | ||
4a665758 KL |
2335 | set_tty_hooks (t); |
2336 | ||
ed8dad6b KL |
2337 | return Qnil; |
2338 | } | |
a3fbb897 | 2339 | |
819b8f00 | 2340 | \f |
e882229c NR |
2341 | /*********************************************************************** |
2342 | Mouse | |
2343 | ***********************************************************************/ | |
2344 | ||
7e5a23bd | 2345 | #ifdef HAVE_GPM |
5faa03ba RS |
2346 | void |
2347 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2348 | { |
1ec5dc77 | 2349 | /* TODO: how to set mouse position? |
94da14a0 NR |
2350 | const char *name; |
2351 | int fd; | |
2352 | name = (const char *) ttyname (0); | |
2353 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2354 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2355 | close (fd); |
2356 | last_mouse_x = x; | |
80fb2ce0 | 2357 | last_mouse_y = y; */ |
94da14a0 NR |
2358 | } |
2359 | ||
e882229c NR |
2360 | static void |
2361 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2362 | { | |
6178ce5e | 2363 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2364 | int save_x, save_y; |
1ec5dc77 | 2365 | int i; |
e882229c | 2366 | |
7be1c21a MB |
2367 | struct frame *f = XFRAME (w->frame); |
2368 | struct tty_display_info *tty = FRAME_TTY (f); | |
2369 | ||
e882229c NR |
2370 | if (/* If window is in the process of being destroyed, don't bother |
2371 | to do anything. */ | |
2372 | w->current_matrix != NULL | |
2373 | /* Recognize when we are called to operate on rows that don't exist | |
2374 | anymore. This can happen when a window is split. */ | |
2375 | && mouse_face_end_row < w->current_matrix->nrows) | |
2376 | { | |
2377 | /* write_glyphs writes at cursor position, so we need to | |
2378 | temporarily move cursor coordinates to the beginning of | |
2379 | the highlight region. */ | |
2380 | ||
2381 | /* Save current cursor co-ordinates */ | |
7be1c21a MB |
2382 | save_y = curY (tty); |
2383 | save_x = curX (tty); | |
e882229c NR |
2384 | |
2385 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2386 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2387 | { | |
2388 | int start_hpos, end_hpos, nglyphs; | |
2389 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2390 | ||
2391 | /* Don't do anything if row doesn't have valid contents. */ | |
2392 | if (!row->enabled_p) | |
2393 | continue; | |
2394 | ||
2395 | /* For all but the first row, the highlight starts at column 0. */ | |
2396 | if (i == mouse_face_beg_row) | |
2397 | start_hpos = mouse_face_beg_col; | |
2398 | else | |
2399 | start_hpos = 0; | |
2400 | ||
2401 | if (i == mouse_face_end_row) | |
2402 | end_hpos = mouse_face_end_col; | |
2403 | else | |
2404 | { | |
2405 | end_hpos = row->used[TEXT_AREA]; | |
2406 | if (draw == DRAW_NORMAL_TEXT) | |
2407 | row->fill_line_p = 1; /* Clear to end of line */ | |
2408 | } | |
2409 | ||
2410 | if (end_hpos <= start_hpos) | |
2411 | continue; | |
2412 | /* Record that some glyphs of this row are displayed in | |
2413 | mouse-face. */ | |
2414 | row->mouse_face_p = draw > 0; | |
2415 | ||
2416 | nglyphs = end_hpos - start_hpos; | |
2417 | ||
2418 | if (end_hpos >= row->used[TEXT_AREA]) | |
2419 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2420 | ||
2421 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2422 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2423 | + WINDOW_LEFT_EDGE_X (w); | |
2424 | ||
7be1c21a | 2425 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2426 | |
2427 | if (draw == DRAW_MOUSE_FACE) | |
2428 | { | |
7be1c21a | 2429 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2430 | nglyphs, mouse_face_face_id); |
2431 | } | |
2432 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2433 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2434 | } |
7be1c21a | 2435 | cursor_to (f, save_y, save_x); |
e882229c NR |
2436 | } |
2437 | } | |
2438 | ||
2439 | static void | |
2440 | term_clear_mouse_face () | |
2441 | { | |
6178ce5e | 2442 | if (!NILP (mouse_face_window)) |
e882229c NR |
2443 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2444 | ||
2445 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2446 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2447 | mouse_face_window = Qnil; |
e882229c NR |
2448 | } |
2449 | ||
2450 | /* Find the glyph matrix position of buffer position POS in window W. | |
2451 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2452 | must be up to date. If POS is above window start return (0, 0). | |
2453 | If POS is after end of W, return end of last line in W. | |
2454 | - taken from msdos.c */ | |
2455 | static int | |
2456 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2457 | { | |
2458 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2459 | int yb = window_text_bottom_y (w); | |
2460 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2461 | ||
2462 | while (row->y < yb) | |
2463 | { | |
2464 | if (row->used[TEXT_AREA]) | |
2465 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2466 | else | |
2467 | line_start_position = 0; | |
2468 | ||
2469 | if (line_start_position > pos) | |
2470 | break; | |
2471 | /* If the position sought is the end of the buffer, | |
2472 | don't include the blank lines at the bottom of the window. */ | |
2473 | else if (line_start_position == pos | |
2474 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2475 | { | |
2476 | maybe_next_line_p = 1; | |
2477 | break; | |
2478 | } | |
2479 | else if (line_start_position > 0) | |
2480 | best_row = row; | |
2481 | ||
2482 | /* Don't overstep the last matrix row, lest we get into the | |
2483 | never-never land... */ | |
2484 | if (row->y + 1 >= yb) | |
2485 | break; | |
2486 | ||
2487 | ++row; | |
2488 | } | |
2489 | ||
2490 | /* Find the right column within BEST_ROW. */ | |
2491 | lastcol = 0; | |
2492 | row = best_row; | |
2493 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2494 | { | |
2495 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2496 | int charpos; | |
2497 | ||
2498 | charpos = glyph->charpos; | |
2499 | if (charpos == pos) | |
2500 | { | |
2501 | *hpos = i; | |
2502 | *vpos = row->y; | |
2503 | return 1; | |
2504 | } | |
2505 | else if (charpos > pos) | |
2506 | break; | |
2507 | else if (charpos > 0) | |
2508 | lastcol = i; | |
2509 | } | |
2510 | ||
2511 | /* If we're looking for the end of the buffer, | |
2512 | and we didn't find it in the line we scanned, | |
2513 | use the start of the following line. */ | |
2514 | if (maybe_next_line_p) | |
2515 | { | |
2516 | ++row; | |
2517 | lastcol = 0; | |
2518 | } | |
2519 | ||
2520 | *vpos = row->y; | |
2521 | *hpos = lastcol + 1; | |
2522 | return 0; | |
2523 | } | |
2524 | ||
2525 | static void | |
2526 | term_mouse_highlight (struct frame *f, int x, int y) | |
2527 | { | |
2528 | enum window_part part; | |
2529 | Lisp_Object window; | |
2530 | struct window *w; | |
2531 | struct buffer *b; | |
2532 | ||
2533 | if (NILP (Vmouse_highlight) | |
2534 | || !f->glyphs_initialized_p) | |
2535 | return; | |
2536 | ||
e882229c NR |
2537 | /* Which window is that in? */ |
2538 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2539 | ||
2540 | /* Not on a window -> return. */ | |
2541 | if (!WINDOWP (window)) | |
2542 | return; | |
2543 | ||
6178ce5e | 2544 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2545 | term_clear_mouse_face (); |
2546 | ||
2547 | w = XWINDOW (window); | |
2548 | ||
2549 | /* Are we in a window whose display is up to date? | |
2550 | And verify the buffer's text has not changed. */ | |
2551 | b = XBUFFER (w->buffer); | |
2552 | if (part == ON_TEXT | |
2553 | && EQ (w->window_end_valid, w->buffer) | |
2554 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2555 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2556 | { | |
2557 | int pos, i, nrows = w->current_matrix->nrows; | |
2558 | struct glyph_row *row; | |
2559 | struct glyph *glyph; | |
2560 | ||
2561 | /* Find the glyph under X/Y. */ | |
2562 | glyph = NULL; | |
2563 | if (y >= 0 && y < nrows) | |
2564 | { | |
2565 | row = MATRIX_ROW (w->current_matrix, y); | |
2566 | /* Give up if some row before the one we are looking for is | |
2567 | not enabled. */ | |
2568 | for (i = 0; i <= y; i++) | |
2569 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2570 | break; | |
2571 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2572 | && row->displays_text_p | |
2573 | && x < window_box_width (w, TEXT_AREA)) | |
2574 | { | |
2575 | glyph = row->glyphs[TEXT_AREA]; | |
2576 | if (x >= row->used[TEXT_AREA]) | |
2577 | glyph = NULL; | |
2578 | else | |
2579 | { | |
2580 | glyph += x; | |
2581 | if (!BUFFERP (glyph->object)) | |
2582 | glyph = NULL; | |
2583 | } | |
2584 | } | |
2585 | } | |
2586 | ||
2587 | /* Clear mouse face if X/Y not over text. */ | |
2588 | if (glyph == NULL) | |
2589 | { | |
2590 | term_clear_mouse_face (); | |
2591 | return; | |
2592 | } | |
2593 | ||
2594 | if (!BUFFERP (glyph->object)) | |
2595 | abort (); | |
2596 | pos = glyph->charpos; | |
2597 | ||
2598 | /* Check for mouse-face. */ | |
2599 | { | |
2600 | extern Lisp_Object Qmouse_face; | |
2601 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
3b8c0c70 | 2602 | int noverlays, obegv, ozv; |
e882229c NR |
2603 | struct buffer *obuf; |
2604 | ||
2605 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2606 | if (pos > BUF_Z (b)) | |
2607 | return; | |
2608 | ||
2609 | /* Make the window's buffer temporarily current for | |
2610 | overlays_at and compute_char_face. */ | |
2611 | obuf = current_buffer; | |
2612 | current_buffer = b; | |
2613 | obegv = BEGV; | |
2614 | ozv = ZV; | |
2615 | BEGV = BEG; | |
2616 | ZV = Z; | |
2617 | ||
2618 | /* Is this char mouse-active? */ | |
2619 | XSETINT (position, pos); | |
2620 | ||
2621 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2622 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2623 | /* Sort overlays into increasing priority order. */ | |
2624 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2625 | ||
2626 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2627 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2628 | && y >= mouse_face_beg_row |
2629 | && y <= mouse_face_end_row | |
2630 | && (y > mouse_face_beg_row | |
2631 | || x >= mouse_face_beg_col) | |
2632 | && (y < mouse_face_end_row | |
2633 | || x < mouse_face_end_col | |
2634 | || mouse_face_past_end))) | |
2635 | { | |
2636 | /* Clear the display of the old active region, if any. */ | |
2637 | term_clear_mouse_face (); | |
2638 | ||
2639 | /* Find the highest priority overlay that has a mouse-face | |
2640 | property. */ | |
2641 | overlay = Qnil; | |
2642 | for (i = noverlays - 1; i >= 0; --i) | |
2643 | { | |
2644 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2645 | if (!NILP (mouse_face)) | |
2646 | { | |
2647 | overlay = overlay_vec[i]; | |
2648 | break; | |
2649 | } | |
2650 | } | |
2651 | ||
2652 | /* If no overlay applies, get a text property. */ | |
2653 | if (NILP (overlay)) | |
2654 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2655 | w->buffer); | |
2656 | ||
2657 | /* Handle the overlay case. */ | |
2658 | if (!NILP (overlay)) | |
2659 | { | |
2660 | /* Find the range of text around this char that | |
2661 | should be active. */ | |
2662 | Lisp_Object before, after; | |
2663 | int ignore; | |
2664 | ||
2665 | ||
2666 | before = Foverlay_start (overlay); | |
2667 | after = Foverlay_end (overlay); | |
2668 | /* Record this as the current active region. */ | |
2669 | fast_find_position (w, XFASTINT (before), | |
2670 | &mouse_face_beg_col, | |
2671 | &mouse_face_beg_row); | |
2672 | ||
2673 | mouse_face_past_end | |
2674 | = !fast_find_position (w, XFASTINT (after), | |
2675 | &mouse_face_end_col, | |
2676 | &mouse_face_end_row); | |
6178ce5e | 2677 | mouse_face_window = window; |
e882229c NR |
2678 | |
2679 | mouse_face_face_id | |
2680 | = face_at_buffer_position (w, pos, 0, 0, | |
2681 | &ignore, pos + 1, 1); | |
2682 | ||
2683 | /* Display it as active. */ | |
2684 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2685 | } | |
2686 | /* Handle the text property case. */ | |
2687 | else if (!NILP (mouse_face)) | |
2688 | { | |
2689 | /* Find the range of text around this char that | |
2690 | should be active. */ | |
2691 | Lisp_Object before, after, beginning, end; | |
2692 | int ignore; | |
2693 | ||
2694 | beginning = Fmarker_position (w->start); | |
2695 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2696 | before | |
2697 | = Fprevious_single_property_change (make_number (pos + 1), | |
2698 | Qmouse_face, | |
2699 | w->buffer, beginning); | |
2700 | after | |
2701 | = Fnext_single_property_change (position, Qmouse_face, | |
2702 | w->buffer, end); | |
2703 | ||
2704 | /* Record this as the current active region. */ | |
2705 | fast_find_position (w, XFASTINT (before), | |
2706 | &mouse_face_beg_col, | |
2707 | &mouse_face_beg_row); | |
2708 | mouse_face_past_end | |
2709 | = !fast_find_position (w, XFASTINT (after), | |
2710 | &mouse_face_end_col, | |
2711 | &mouse_face_end_row); | |
6178ce5e | 2712 | mouse_face_window = window; |
e882229c NR |
2713 | |
2714 | mouse_face_face_id | |
2715 | = face_at_buffer_position (w, pos, 0, 0, | |
2716 | &ignore, pos + 1, 1); | |
2717 | ||
2718 | /* Display it as active. */ | |
2719 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2720 | } | |
2721 | } | |
2722 | ||
2723 | /* Look for a `help-echo' property. */ | |
2724 | { | |
2725 | Lisp_Object help; | |
2726 | extern Lisp_Object Qhelp_echo; | |
2727 | ||
2728 | /* Check overlays first. */ | |
2729 | help = Qnil; | |
2730 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2731 | { | |
2732 | overlay = overlay_vec[i]; | |
2733 | help = Foverlay_get (overlay, Qhelp_echo); | |
2734 | } | |
2735 | ||
2736 | if (!NILP (help)) | |
2737 | { | |
2738 | help_echo_string = help; | |
2739 | help_echo_window = window; | |
2740 | help_echo_object = overlay; | |
2741 | help_echo_pos = pos; | |
2742 | } | |
2743 | /* Try text properties. */ | |
2744 | else if (NILP (help) | |
2745 | && ((STRINGP (glyph->object) | |
2746 | && glyph->charpos >= 0 | |
2747 | && glyph->charpos < SCHARS (glyph->object)) | |
2748 | || (BUFFERP (glyph->object) | |
2749 | && glyph->charpos >= BEGV | |
2750 | && glyph->charpos < ZV))) | |
2751 | { | |
2752 | help = Fget_text_property (make_number (glyph->charpos), | |
2753 | Qhelp_echo, glyph->object); | |
2754 | if (!NILP (help)) | |
2755 | { | |
2756 | help_echo_string = help; | |
2757 | help_echo_window = window; | |
2758 | help_echo_object = glyph->object; | |
2759 | help_echo_pos = glyph->charpos; | |
2760 | } | |
2761 | } | |
2762 | } | |
2763 | ||
2764 | BEGV = obegv; | |
2765 | ZV = ozv; | |
2766 | current_buffer = obuf; | |
2767 | } | |
2768 | } | |
2769 | } | |
2770 | ||
2771 | static int | |
2772 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2773 | { | |
2774 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2775 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2776 | { | |
2777 | frame->mouse_moved = 1; | |
80fb2ce0 | 2778 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2779 | /* Remember which glyph we're now on. */ |
2780 | last_mouse_x = event->x; | |
2781 | last_mouse_y = event->y; | |
2782 | return 1; | |
2783 | } | |
2784 | return 0; | |
2785 | } | |
2786 | ||
2787 | /* Return the current position of the mouse. | |
2788 | ||
2789 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2790 | Emacs frame. If it is set to zero, all the other arguments are | |
2791 | garbage. | |
2792 | ||
2793 | Set *bar_window to Qnil, and *x and *y to the column and | |
2794 | row of the character cell the mouse is over. | |
2795 | ||
2796 | Set *time to the time the mouse was at the returned position. | |
2797 | ||
80fb2ce0 | 2798 | This clears mouse_moved until the next motion |
94da14a0 | 2799 | event arrives. */ |
e882229c NR |
2800 | static void |
2801 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2802 | enum scroll_bar_part *part, Lisp_Object *x, | |
2803 | Lisp_Object *y, unsigned long *time) | |
2804 | { | |
e882229c | 2805 | struct timeval now; |
e882229c NR |
2806 | |
2807 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2808 | (*fp)->mouse_moved = 0; |
e882229c NR |
2809 | |
2810 | *bar_window = Qnil; | |
2811 | *part = 0; | |
2812 | ||
80fb2ce0 | 2813 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2814 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2815 | gettimeofday(&now, 0); |
2816 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2817 | } |
2818 | ||
2819 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2820 | ||
2821 | If the event is a button press, then note that we have grabbed | |
2822 | the mouse. */ | |
2823 | ||
2824 | static Lisp_Object | |
2825 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2826 | struct frame *f) | |
2827 | { | |
2828 | struct timeval now; | |
2829 | int i, j; | |
2830 | ||
2831 | result->kind = GPM_CLICK_EVENT; | |
2832 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2833 | { | |
2834 | if (event->buttons & j) { | |
2835 | result->code = i; /* button number */ | |
2836 | break; | |
2837 | } | |
2838 | } | |
2839 | gettimeofday(&now, 0); | |
2840 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2841 | ||
2842 | if (event->type & GPM_UP) | |
2843 | result->modifiers = up_modifier; | |
2844 | else if (event->type & GPM_DOWN) | |
2845 | result->modifiers = down_modifier; | |
2846 | else | |
2847 | result->modifiers = 0; | |
2848 | ||
2849 | if (event->type & GPM_SINGLE) | |
2850 | result->modifiers |= click_modifier; | |
2851 | ||
2852 | if (event->type & GPM_DOUBLE) | |
2853 | result->modifiers |= double_modifier; | |
2854 | ||
2855 | if (event->type & GPM_TRIPLE) | |
2856 | result->modifiers |= triple_modifier; | |
2857 | ||
2858 | if (event->type & GPM_DRAG) | |
2859 | result->modifiers |= drag_modifier; | |
2860 | ||
80fb2ce0 | 2861 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2862 | |
2863 | /* 1 << KG_SHIFT */ | |
2864 | if (event->modifiers & (1 << 0)) | |
2865 | result->modifiers |= shift_modifier; | |
2866 | ||
2867 | /* 1 << KG_CTRL */ | |
2868 | if (event->modifiers & (1 << 2)) | |
2869 | result->modifiers |= ctrl_modifier; | |
2870 | ||
2871 | /* 1 << KG_ALT || KG_ALTGR */ | |
2872 | if (event->modifiers & (1 << 3) | |
2873 | || event->modifiers & (1 << 1)) | |
2874 | result->modifiers |= meta_modifier; | |
2875 | } | |
2876 | ||
80fb2ce0 NR |
2877 | XSETINT (result->x, event->x); |
2878 | XSETINT (result->y, event->y); | |
e882229c NR |
2879 | XSETFRAME (result->frame_or_window, f); |
2880 | result->arg = Qnil; | |
2881 | return Qnil; | |
2882 | } | |
2883 | ||
2884 | int | |
7be1c21a | 2885 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2886 | { |
7be1c21a | 2887 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2888 | struct input_event ie; |
2889 | int do_help = 0; | |
2890 | int count = 0; | |
2891 | ||
2892 | EVENT_INIT (ie); | |
2893 | ie.kind = NO_EVENT; | |
2894 | ie.arg = Qnil; | |
2895 | ||
80fb2ce0 | 2896 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2897 | previous_help_echo_string = help_echo_string; |
2898 | help_echo_string = Qnil; | |
2899 | ||
6178ce5e | 2900 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2901 | |
80fb2ce0 NR |
2902 | if (!term_mouse_movement (f, event)) |
2903 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2904 | |
2905 | /* If the contents of the global variable help_echo_string | |
2906 | has changed, generate a HELP_EVENT. */ | |
2907 | if (!NILP (help_echo_string) | |
2908 | || !NILP (previous_help_echo_string)) | |
2909 | do_help = 1; | |
2910 | ||
2911 | goto done; | |
2912 | } | |
2913 | else { | |
2914 | f->mouse_moved = 0; | |
2915 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2916 | } |
2917 | ||
2918 | done: | |
2919 | if (ie.kind != NO_EVENT) | |
2920 | { | |
2921 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2922 | count++; | |
2923 | } | |
2924 | ||
2925 | if (do_help | |
2926 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2927 | { | |
2928 | Lisp_Object frame; | |
2929 | ||
2930 | if (f) | |
2931 | XSETFRAME (frame, f); | |
2932 | else | |
2933 | frame = Qnil; | |
2934 | ||
2935 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2936 | help_echo_object, help_echo_pos); | |
2937 | count++; | |
2938 | } | |
2939 | ||
2940 | return count; | |
2941 | } | |
2942 | ||
6178ce5e | 2943 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2944 | 0, 0, 0, |
71f44e7a | 2945 | doc: /* Open a connection to Gpm. |
6178ce5e | 2946 | Gpm-mouse can only be activated for one tty at a time. */) |
e882229c NR |
2947 | () |
2948 | { | |
71f44e7a SM |
2949 | struct frame *f = SELECTED_FRAME (); |
2950 | struct tty_display_info *tty | |
2951 | = ((f)->output_method == output_termcap | |
2952 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2953 | Gpm_Connect connection; |
2954 | ||
6178ce5e SM |
2955 | if (!tty) |
2956 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2957 | if (gpm_tty == tty) |
2958 | return Qnil; /* Already activated, nothing to do. */ | |
2959 | if (gpm_tty) | |
2960 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2961 | |
e882229c NR |
2962 | connection.eventMask = ~0; |
2963 | connection.defaultMask = ~GPM_HARD; | |
2964 | connection.maxMod = ~0; | |
2965 | connection.minMod = 0; | |
80fb2ce0 | 2966 | gpm_zerobased = 1; |
e882229c | 2967 | |
71f44e7a | 2968 | if (Gpm_Open (&connection, 0) < 0) |
6178ce5e | 2969 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2970 | else |
2971 | { | |
71f44e7a | 2972 | gpm_tty = tty; |
1023cbed SM |
2973 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2974 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2975 | before calling init_sys_modes. */ | |
7be1c21a MB |
2976 | reset_sys_modes (tty); |
2977 | init_sys_modes (tty); | |
e882229c | 2978 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2979 | return Qnil; |
e882229c NR |
2980 | } |
2981 | } | |
2982 | ||
6178ce5e | 2983 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2984 | 0, 0, 0, |
2985 | doc: /* Close a connection to Gpm. */) | |
2986 | () | |
2987 | { | |
4ce5ab77 SM |
2988 | struct frame *f = SELECTED_FRAME (); |
2989 | struct tty_display_info *tty | |
2990 | = ((f)->output_method == output_termcap | |
2991 | ? (f)->terminal->display_info.tty : NULL); | |
2992 | ||
2993 | if (!tty || gpm_tty != tty) | |
2994 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
2995 | ||
6178ce5e SM |
2996 | if (gpm_fd >= 0) |
2997 | delete_gpm_wait_descriptor (gpm_fd); | |
2998 | while (Gpm_Close()); /* close all the stack */ | |
2999 | gpm_tty = NULL; | |
3000 | return Qnil; | |
e882229c | 3001 | } |
7e5a23bd | 3002 | #endif /* HAVE_GPM */ |
e882229c NR |
3003 | |
3004 | \f | |
a168702a GM |
3005 | /*********************************************************************** |
3006 | Initialization | |
3007 | ***********************************************************************/ | |
3008 | ||
ed8dad6b KL |
3009 | /* Initialize the tty-dependent part of frame F. The frame must |
3010 | already have its device initialized. */ | |
3224dac1 | 3011 | |
ed8dad6b KL |
3012 | void |
3013 | create_tty_output (struct frame *f) | |
28d440ab | 3014 | { |
ed8dad6b KL |
3015 | struct tty_output *t; |
3016 | ||
3017 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3018 | abort (); |
3019 | ||
ed8dad6b KL |
3020 | t = xmalloc (sizeof (struct tty_output)); |
3021 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 3022 | |
6ed8eeff | 3023 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3024 | |
ed8dad6b | 3025 | f->output_data.tty = t; |
3224dac1 KL |
3026 | } |
3027 | ||
ed8dad6b | 3028 | /* Delete the tty-dependent part of frame F. */ |
da8e1115 | 3029 | |
ed8dad6b KL |
3030 | static void |
3031 | delete_tty_output (struct frame *f) | |
3224dac1 | 3032 | { |
ed8dad6b | 3033 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3034 | abort (); |
3035 | ||
ed8dad6b | 3036 | xfree (f->output_data.tty); |
28d440ab KL |
3037 | } |
3038 | ||
ed8dad6b | 3039 | \f |
47cc8819 | 3040 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3041 | |
4a665758 KL |
3042 | static void |
3043 | clear_tty_hooks (struct terminal *terminal) | |
3044 | { | |
3045 | terminal->rif = 0; | |
3046 | terminal->cursor_to_hook = 0; | |
3047 | terminal->raw_cursor_to_hook = 0; | |
3048 | terminal->clear_to_end_hook = 0; | |
3049 | terminal->clear_frame_hook = 0; | |
3050 | terminal->clear_end_of_line_hook = 0; | |
3051 | terminal->ins_del_lines_hook = 0; | |
3052 | terminal->insert_glyphs_hook = 0; | |
3053 | terminal->write_glyphs_hook = 0; | |
3054 | terminal->delete_glyphs_hook = 0; | |
3055 | terminal->ring_bell_hook = 0; | |
3056 | terminal->reset_terminal_modes_hook = 0; | |
3057 | terminal->set_terminal_modes_hook = 0; | |
3058 | terminal->update_begin_hook = 0; | |
3059 | terminal->update_end_hook = 0; | |
3060 | terminal->set_terminal_window_hook = 0; | |
3061 | terminal->mouse_position_hook = 0; | |
3062 | terminal->frame_rehighlight_hook = 0; | |
3063 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3064 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3065 | terminal->set_vertical_scroll_bar_hook = 0; |
3066 | terminal->condemn_scroll_bars_hook = 0; | |
3067 | terminal->redeem_scroll_bar_hook = 0; | |
3068 | terminal->judge_scroll_bars_hook = 0; | |
3069 | terminal->read_socket_hook = 0; | |
3070 | terminal->frame_up_to_date_hook = 0; | |
3071 | ||
3072 | /* Leave these two set, or suspended frames are not deleted | |
3073 | correctly. */ | |
3074 | terminal->delete_frame_hook = &delete_tty_output; | |
3075 | terminal->delete_terminal_hook = &delete_tty; | |
3076 | } | |
3077 | ||
47cc8819 DN |
3078 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3079 | ||
4a665758 KL |
3080 | static void |
3081 | set_tty_hooks (struct terminal *terminal) | |
3082 | { | |
3083 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3084 | ||
3085 | terminal->cursor_to_hook = &tty_cursor_to; | |
3086 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3087 | ||
3088 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3089 | terminal->clear_frame_hook = &tty_clear_frame; | |
3090 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3091 | ||
3092 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3093 | ||
3094 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3095 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3096 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3097 | ||
3098 | terminal->ring_bell_hook = &tty_ring_bell; | |
3099 | ||
3100 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; | |
3101 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3102 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3103 | terminal->update_end_hook = &tty_update_end; | |
3104 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3105 | ||
3106 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3107 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3108 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3109 | ||
3110 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3111 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3112 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3113 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3114 | ||
3115 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3116 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
3117 | ||
3118 | terminal->delete_frame_hook = &delete_tty_output; | |
3119 | terminal->delete_terminal_hook = &delete_tty; | |
3120 | } | |
3121 | ||
03a1d6bd | 3122 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3123 | static void |
03a1d6bd KL |
3124 | dissociate_if_controlling_tty (int fd) |
3125 | { | |
5d333979 | 3126 | #ifndef WINDOWSNT |
03a1d6bd | 3127 | int pgid; |
8516815b | 3128 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3129 | if (pgid != -1) |
3130 | { | |
8516815b | 3131 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
3132 | setpgrp (); |
3133 | no_controlling_tty = 1; | |
de52dcbb DN |
3134 | #elif defined (CYGWIN) |
3135 | setsid (); | |
3136 | no_controlling_tty = 1; | |
03a1d6bd KL |
3137 | #else |
3138 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3139 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3140 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3141 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3142 | { | |
3143 | no_controlling_tty = 1; | |
3144 | } | |
3145 | if (fd != -1) | |
3146 | emacs_close (fd); | |
3147 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3148 | #else |
8516815b KL |
3149 | /* Unknown system. */ |
3150 | croak (); | |
03a1d6bd KL |
3151 | #endif /* ! TIOCNOTTY */ |
3152 | #endif /* ! USG */ | |
71a96040 | 3153 | } |
78048085 | 3154 | #endif /* !WINDOWSNT */ |
03a1d6bd KL |
3155 | } |
3156 | ||
520c4dfd KL |
3157 | static void maybe_fatal(); |
3158 | ||
3224dac1 KL |
3159 | /* Create a termcap display on the tty device with the given name and |
3160 | type. | |
3161 | ||
ab797f65 | 3162 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3163 | Otherwise NAME should be a path to the tty device file, |
3164 | e.g. "/dev/pts/7". | |
28d440ab | 3165 | |
3224dac1 KL |
3166 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3167 | ||
3168 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3169 | |
6ed8eeff | 3170 | struct terminal * |
a4c6993d | 3171 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3172 | { |
59b3194c | 3173 | char *area = NULL; |
08a24c47 | 3174 | char **address = &area; |
3a06a6d9 | 3175 | char *buffer = NULL; |
5846981b | 3176 | int buffer_size = 4096; |
59b3194c | 3177 | register char *p = NULL; |
08a24c47 | 3178 | int status; |
59b3194c KL |
3179 | struct tty_display_info *tty = NULL; |
3180 | struct terminal *terminal = NULL; | |
3181 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3182 | |
3224dac1 KL |
3183 | if (!terminal_type) |
3184 | maybe_fatal (must_succeed, 0, 0, | |
3185 | "Unknown terminal type", | |
3186 | "Unknown terminal type"); | |
b6660415 | 3187 | |
ab797f65 | 3188 | if (name == NULL) |
78048085 EZ |
3189 | name = DEV_TTY; |
3190 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3191 | ctty = 1; |
3192 | ||
6ed8eeff KL |
3193 | /* If we already have a terminal on the given device, use that. If |
3194 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3195 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3196 | always create a new terminal and separating terminal and frame |
b6660415 | 3197 | creation on Lisp level. */ |
6ed8eeff KL |
3198 | terminal = get_named_tty (name); |
3199 | if (terminal) | |
3200 | return terminal; | |
78048085 | 3201 | |
6ed8eeff | 3202 | terminal = create_terminal (); |
3224dac1 KL |
3203 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
3204 | bzero (tty, sizeof (struct tty_display_info)); | |
3205 | tty->next = tty_list; | |
3206 | tty_list = tty; | |
428a555e | 3207 | |
6ed8eeff KL |
3208 | terminal->type = output_termcap; |
3209 | terminal->display_info.tty = tty; | |
3210 | tty->terminal = terminal; | |
28d440ab | 3211 | |
7b00d185 KL |
3212 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3213 | Wcm_clear (tty); | |
daf01701 | 3214 | |
55d5acfa | 3215 | #ifndef WINDOWSNT |
4a665758 | 3216 | set_tty_hooks (terminal); |
78048085 | 3217 | |
59b3194c KL |
3218 | { |
3219 | int fd; | |
3220 | FILE *file; | |
0c72d684 KL |
3221 | |
3222 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3223 | if (!ctty) |
0c72d684 KL |
3224 | /* Open the terminal device. Don't recognize it as our |
3225 | controlling terminal, and don't make it the controlling tty | |
3226 | if we don't have one at the moment. */ | |
3227 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3228 | else |
0c72d684 | 3229 | #else |
2666355c | 3230 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3231 | defined on Hurd. On other systems, we need to explicitly |
3232 | dissociate ourselves from the controlling tty when we want to | |
3233 | open a frame on the same terminal. */ | |
0c72d684 | 3234 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3235 | #endif /* O_IGNORE_CTTY */ |
3236 | ||
59b3194c KL |
3237 | if (fd < 0) |
3238 | maybe_fatal (must_succeed, buffer, terminal, | |
3239 | "Could not open file: %s", | |
3240 | "Could not open file: %s", | |
3241 | name); | |
3242 | if (!isatty (fd)) | |
3243 | { | |
3244 | close (fd); | |
3245 | maybe_fatal (must_succeed, buffer, terminal, | |
3246 | "Not a tty device: %s", | |
3247 | "Not a tty device: %s", | |
3248 | name); | |
3249 | } | |
0c72d684 | 3250 | |
59b3194c KL |
3251 | #ifndef O_IGNORE_CTTY |
3252 | if (!ctty) | |
03a1d6bd | 3253 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3254 | #endif |
3255 | ||
3256 | file = fdopen (fd, "w+"); | |
3257 | tty->name = xstrdup (name); | |
3258 | terminal->name = xstrdup (name); | |
3259 | tty->input = file; | |
3260 | tty->output = file; | |
3261 | } | |
78048085 | 3262 | |
28d7d09f | 3263 | tty->type = xstrdup (terminal_type); |
28d440ab | 3264 | |
819b8f00 | 3265 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 3266 | |
55d5acfa DN |
3267 | #endif |
3268 | ||
af645abf KH |
3269 | encode_terminal_bufsize = 0; |
3270 | ||
7e5a23bd | 3271 | #ifdef HAVE_GPM |
88acaaf2 | 3272 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3273 | mouse_face_window = Qnil; |
e882229c NR |
3274 | #endif |
3275 | ||
cb28b9c2 | 3276 | #ifdef WINDOWSNT |
953bf0dc | 3277 | initialize_w32_display (terminal); |
a0236551 JR |
3278 | /* The following two are inaccessible from w32console.c. */ |
3279 | terminal->delete_frame_hook = &delete_tty_output; | |
3280 | terminal->delete_terminal_hook = &delete_tty; | |
cb28b9c2 | 3281 | |
78048085 EZ |
3282 | tty->name = xstrdup (name); |
3283 | terminal->name = xstrdup (name); | |
3284 | tty->type = xstrdup (terminal_type); | |
55d5acfa | 3285 | |
55d5acfa | 3286 | tty->output = stdout; |
a0236551 JR |
3287 | tty->input = stdin; |
3288 | add_keyboard_wait_descriptor (0); | |
cb28b9c2 | 3289 | |
a0236551 | 3290 | Wcm_clear (tty); |
cb28b9c2 | 3291 | |
5d333979 JR |
3292 | { |
3293 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3294 | |
a0236551 JR |
3295 | FrameRows (tty) = FRAME_LINES (f); |
3296 | FrameCols (tty) = FRAME_COLS (f); | |
3297 | tty->specified_window = FRAME_LINES (f); | |
5d333979 | 3298 | |
a0236551 JR |
3299 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3300 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 JR |
3301 | } |
3302 | tty->delete_in_insert_mode = 1; | |
cb28b9c2 | 3303 | |
daf01701 | 3304 | UseTabs (tty) = 0; |
6ed8eeff | 3305 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3306 | |
7e59217d | 3307 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3308 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3309 | don't think we're losing anything by turning it off. */ |
6ed8eeff KL |
3310 | terminal->line_ins_del_ok = 0; |
3311 | terminal->char_ins_del_ok = 1; | |
cb28b9c2 RS |
3312 | |
3313 | baud_rate = 19200; | |
3314 | ||
5d333979 | 3315 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3316 | |
eccec691 | 3317 | #else /* not WINDOWSNT */ |
cb28b9c2 | 3318 | |
6548cf00 | 3319 | Wcm_clear (tty); |
08a24c47 | 3320 | |
3a06a6d9 | 3321 | buffer = (char *) xmalloc (buffer_size); |
78048085 | 3322 | |
03a1d6bd KL |
3323 | /* On some systems, tgetent tries to access the controlling |
3324 | terminal. */ | |
3325 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 3326 | status = tgetent (buffer, terminal_type); |
03a1d6bd | 3327 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3328 | |
08a24c47 | 3329 | if (status < 0) |
b0347178 KH |
3330 | { |
3331 | #ifdef TERMINFO | |
6ed8eeff | 3332 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3333 | "Cannot open terminfo database file", |
3334 | "Cannot open terminfo database file"); | |
b0347178 | 3335 | #else |
6ed8eeff | 3336 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3337 | "Cannot open termcap database file", |
3338 | "Cannot open termcap database file"); | |
b0347178 KH |
3339 | #endif |
3340 | } | |
08a24c47 | 3341 | if (status == 0) |
b0347178 KH |
3342 | { |
3343 | #ifdef TERMINFO | |
6ed8eeff | 3344 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3345 | "Terminal type %s is not defined", |
3346 | "Terminal type %s is not defined.\n\ | |
0a125897 | 3347 | If that is not the actual type of terminal you have,\n\ |
b0347178 KH |
3348 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3349 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3350 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 3351 | terminal_type); |
b0347178 | 3352 | #else |
6ed8eeff | 3353 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3354 | "Terminal type %s is not defined", |
3355 | "Terminal type %s is not defined.\n\ | |
0a125897 | 3356 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
3357 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3358 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3359 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 3360 | terminal_type); |
b0347178 KH |
3361 | #endif |
3362 | } | |
3a06a6d9 | 3363 | |
f730033e | 3364 | #ifndef TERMINFO |
3a06a6d9 | 3365 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 3366 | abort (); |
f730033e | 3367 | buffer_size = strlen (buffer); |
3dd3a502 | 3368 | #endif |
f730033e | 3369 | area = (char *) xmalloc (buffer_size); |
08a24c47 | 3370 | |
fca177d4 KL |
3371 | tty->TS_ins_line = tgetstr ("al", address); |
3372 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3373 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3374 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3375 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3376 | tty->TS_clr_line = tgetstr ("ce", address); | |
3377 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3378 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3379 | AbsPosition (tty) = tgetstr ("cm", address); | |
3380 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3381 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3382 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3383 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3384 | tty->TS_del_char = tgetstr ("dc", address); |
3385 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3386 | tty->TS_del_line = tgetstr ("dl", address); | |
3387 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3388 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3389 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3390 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3391 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3392 | tty->TS_ins_char = tgetstr ("ic", address); |
3393 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3394 | tty->TS_insert_mode = tgetstr ("im", address); | |
3395 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3396 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3397 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3398 | LastLine (tty) = tgetstr ("ll", address); |
3399 | Right (tty) = tgetstr ("nd", address); | |
3400 | Down (tty) = tgetstr ("do", address); | |
3401 | if (!Down (tty)) | |
3402 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
3403 | #ifdef VMS |
3404 | /* VMS puts a carriage return before each linefeed, | |
3405 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
3406 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
3407 | Down (tty) = 0; | |
08a24c47 JB |
3408 | #endif /* VMS */ |
3409 | if (tgetflag ("bs")) | |
6548cf00 | 3410 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3411 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3412 | Left (tty) = tgetstr ("le", address); |
3413 | if (!Left (tty)) | |
3414 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3415 | tty->TS_pad_char = tgetstr ("pc", address); |
3416 | tty->TS_repeat = tgetstr ("rp", address); | |
3417 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3418 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3419 | tty->TS_standout_mode = tgetstr ("so", address); | |
3420 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3421 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3422 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3423 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3424 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3425 | tty->TS_visible_bell = tgetstr ("vb", address); |
3426 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3427 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3428 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3429 | tty->TS_set_window = tgetstr ("wi", address); | |
3430 | ||
3431 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3432 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3433 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3434 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3435 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3436 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3437 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3438 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3439 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3440 | |
6548cf00 KL |
3441 | MultiUp (tty) = tgetstr ("UP", address); |
3442 | MultiDown (tty) = tgetstr ("DO", address); | |
3443 | MultiLeft (tty) = tgetstr ("LE", address); | |
3444 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3445 | |
e7f90eab GM |
3446 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3447 | color because we can't switch back to the default foreground and | |
3448 | background. */ | |
fca177d4 KL |
3449 | tty->TS_orig_pair = tgetstr ("op", address); |
3450 | if (tty->TS_orig_pair) | |
a168702a | 3451 | { |
fca177d4 KL |
3452 | tty->TS_set_foreground = tgetstr ("AF", address); |
3453 | tty->TS_set_background = tgetstr ("AB", address); | |
3454 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3455 | { |
3456 | /* SVr4. */ | |
fca177d4 KL |
3457 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3458 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3459 | } |
177c0ea7 | 3460 | |
fca177d4 KL |
3461 | tty->TN_max_colors = tgetnum ("Co"); |
3462 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3463 | |
fca177d4 KL |
3464 | tty->TN_no_color_video = tgetnum ("NC"); |
3465 | if (tty->TN_no_color_video == -1) | |
3466 | tty->TN_no_color_video = 0; | |
a168702a | 3467 | } |
a168702a | 3468 | |
fca177d4 | 3469 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3470 | |
6548cf00 | 3471 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3472 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3473 | the former flag imply the latter. */ | |
6548cf00 | 3474 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3475 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3476 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3477 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3478 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3479 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3480 | tty->TF_standout_motion = tgetflag ("ms"); | |
3481 | tty->TF_underscore = tgetflag ("ul"); | |
3482 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3483 | |
953bf0dc | 3484 | #endif /* !WINDOWSNT */ |
e7cf0fa0 | 3485 | #ifdef MULTI_KBOARD |
6ed8eeff KL |
3486 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3487 | init_kboard (terminal->kboard); | |
3488 | terminal->kboard->next_kboard = all_kboards; | |
3489 | all_kboards = terminal->kboard; | |
3490 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3491 | /* Don't let the initial kboard remain current longer than necessary. |
3492 | That would cause problems if a file loaded on startup tries to | |
3493 | prompt in the mini-buffer. */ | |
3494 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3495 | current_kboard = terminal->kboard; |
953bf0dc | 3496 | #ifndef WINDOWSNT |
6ed8eeff | 3497 | term_get_fkeys (address, terminal->kboard); |
80ca7302 | 3498 | #endif |
953bf0dc | 3499 | #endif |
5c2c7893 | 3500 | |
953bf0dc | 3501 | #ifndef WINDOWSNT |
ff11dfa1 | 3502 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3503 | { |
3504 | int height, width; | |
0b0d3e0b | 3505 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3506 | FrameCols (tty) = width; |
3507 | FrameRows (tty) = height; | |
3b12ce12 RS |
3508 | } |
3509 | ||
0a125897 KL |
3510 | if (FrameCols (tty) <= 0) |
3511 | FrameCols (tty) = tgetnum ("co"); | |
3512 | if (FrameRows (tty) <= 0) | |
3513 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3514 | |
0a125897 | 3515 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
6ed8eeff | 3516 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
3517 | "Screen size %dx%d is too small" |
3518 | "Screen size %dx%d is too small", | |
0a125897 | 3519 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3520 | |
8a56675d | 3521 | #if 0 /* This is not used anywhere. */ |
6ed8eeff | 3522 | tty->terminal->min_padding_speed = tgetnum ("pb"); |
8a56675d | 3523 | #endif |
28d440ab | 3524 | |
6548cf00 | 3525 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
3526 | |
3527 | #ifdef VMS | |
3528 | /* These capabilities commonly use ^J. | |
3529 | I don't know why, but sending them on VMS does not work; | |
3530 | it causes following spaces to be lost, sometimes. | |
3531 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
3532 | if (Down (tty) && Down (tty)[0] == '\n') |
3533 | Down (tty) = 0; | |
08a24c47 JB |
3534 | #endif /* VMS */ |
3535 | ||
fca177d4 KL |
3536 | if (!tty->TS_bell) |
3537 | tty->TS_bell = "\07"; | |
08a24c47 | 3538 | |
fca177d4 KL |
3539 | if (!tty->TS_fwd_scroll) |
3540 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3541 | |
fca177d4 | 3542 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3543 | |
6548cf00 KL |
3544 | if (TabWidth (tty) < 0) |
3545 | TabWidth (tty) = 8; | |
177c0ea7 | 3546 | |
08a24c47 JB |
3547 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3548 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3549 | if (!tty->Wcm->cm_tab) |
3550 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3551 | */ |
3552 | ||
54800acb MB |
3553 | /* We don't support standout modes that use `magic cookies', so |
3554 | turn off any that do. */ | |
fca177d4 | 3555 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3556 | { |
fca177d4 KL |
3557 | tty->TS_standout_mode = 0; |
3558 | tty->TS_end_standout_mode = 0; | |
54800acb | 3559 | } |
fca177d4 | 3560 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3561 | { |
fca177d4 KL |
3562 | tty->TS_enter_underline_mode = 0; |
3563 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3564 | } |
3565 | ||
3566 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3567 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3568 | { |
fca177d4 KL |
3569 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3570 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3571 | } |
3572 | ||
afd359c4 RS |
3573 | /* If no `se' string, try using a `me' string instead. |
3574 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3575 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3576 | { |
e4bfb3b6 | 3577 | char *s = tgetstr ("me", address); |
afd359c4 | 3578 | if (s != 0) |
fca177d4 | 3579 | tty->TS_end_standout_mode = s; |
afd359c4 | 3580 | else |
fca177d4 | 3581 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3582 | } |
3583 | ||
fca177d4 | 3584 | if (tty->TF_teleray) |
08a24c47 | 3585 | { |
6548cf00 | 3586 | tty->Wcm->cm_tab = 0; |
54800acb | 3587 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3588 | tty->TS_standout_mode = 0; |
08a24c47 | 3589 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3590 | CR (tty) = 0; |
08a24c47 JB |
3591 | /* LF can't be trusted either -- can alter hpos */ |
3592 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3593 | Down (tty) = 0; |
08a24c47 JB |
3594 | } |
3595 | ||
3596 | /* Special handling for certain terminal types known to need it */ | |
3597 | ||
3598 | if (!strcmp (terminal_type, "supdup")) | |
3599 | { | |
6ed8eeff | 3600 | terminal->memory_below_frame = 1; |
6548cf00 | 3601 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3602 | } |
3603 | if (!strncmp (terminal_type, "c10", 3) | |
3604 | || !strcmp (terminal_type, "perq")) | |
3605 | { | |
3606 | /* Supply a makeshift :wi string. | |
3607 | This string is not valid in general since it works only | |
3608 | for windows starting at the upper left corner; | |
3609 | but that is all Emacs uses. | |
daf01701 | 3610 | |
ff11dfa1 | 3611 | This string works only if the frame is using |
08a24c47 JB |
3612 | the top of the video memory, because addressing is memory-relative. |
3613 | So first check the :ti string to see if that is true. | |
3614 | ||
3615 | It would be simpler if the :wi string could go in the termcap | |
3616 | entry, but it can't because it is not fully valid. | |
3617 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3618 | if (!tty->TS_set_window) |
08a24c47 | 3619 | { |
fca177d4 | 3620 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3621 | while (*p && strcmp (p, "\033v ")) |
3622 | p++; | |
3623 | if (*p) | |
fca177d4 | 3624 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3625 | } |
3626 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3627 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3628 | /* :ti string typically fails to have \E^G! in it */ |
3629 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3630 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3631 | strcat (area, "\033\007!"); |
fca177d4 | 3632 | tty->TS_termcap_modes = area; |
08a24c47 | 3633 | area += strlen (area) + 1; |
6548cf00 | 3634 | p = AbsPosition (tty); |
08a24c47 | 3635 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3636 | values above 96 correctly for the C100. */ |
08a24c47 | 3637 | while (*p) |
28d440ab KL |
3638 | { |
3639 | if (p[0] == '%' && p[1] == '+') | |
3640 | p[1] = 'C'; | |
3641 | p++; | |
3642 | } | |
08a24c47 JB |
3643 | } |
3644 | ||
0a125897 | 3645 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3646 | |
6548cf00 | 3647 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3648 | { |
6ed8eeff | 3649 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 | 3650 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
08a24c47 | 3651 | #ifdef VMS |
3224dac1 | 3652 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3653 | It lacks the ability to position the cursor.\n\ |
3654 | If that is not the actual type of terminal you have, use either the\n\ | |
3655 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 3656 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
3657 | #else /* not VMS */ |
3658 | # ifdef TERMINFO | |
3224dac1 | 3659 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 KL |
3660 | It lacks the ability to position the cursor.\n\ |
3661 | If that is not the actual type of terminal you have,\n\ | |
37dad45a RS |
3662 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3663 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3664 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 3665 | # else /* TERMCAP */ |
3224dac1 | 3666 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
0a125897 | 3667 | It lacks the ability to position the cursor.\n\ |
08a24c47 | 3668 | If that is not the actual type of terminal you have,\n\ |
c5a9c3e6 RS |
3669 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3670 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3671 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
3672 | # endif /* TERMINFO */ |
3673 | #endif /*VMS */ | |
3224dac1 | 3674 | terminal_type); |
fca177d4 | 3675 | } |
daf01701 | 3676 | |
0a125897 | 3677 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
6ed8eeff | 3678 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
3679 | "Could not determine the frame size", |
3680 | "Could not determine the frame size"); | |
08a24c47 | 3681 | |
fca177d4 KL |
3682 | tty->delete_in_insert_mode |
3683 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3684 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3685 | |
fca177d4 KL |
3686 | tty->se_is_so = (tty->TS_standout_mode |
3687 | && tty->TS_end_standout_mode | |
3688 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3689 | |
0b0d3e0b | 3690 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3691 | |
6ed8eeff | 3692 | terminal->scroll_region_ok |
6548cf00 | 3693 | = (tty->Wcm->cm_abs |
fca177d4 | 3694 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3695 | |
6ed8eeff | 3696 | terminal->line_ins_del_ok |
fca177d4 KL |
3697 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3698 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3699 | || (terminal->scroll_region_ok |
fca177d4 | 3700 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
28d440ab | 3701 | |
6ed8eeff | 3702 | terminal->char_ins_del_ok |
fca177d4 KL |
3703 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3704 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3705 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
8a56675d | 3706 | |
6ed8eeff | 3707 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3708 | |
0b0d3e0b | 3709 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3710 | |
daf01701 KL |
3711 | #ifdef AIXHFT |
3712 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
3713 | really ugly at times. */ | |
6ed8eeff KL |
3714 | terminal->line_ins_del_ok = 0; |
3715 | terminal->char_ins_del_ok = 0; | |
daf01701 KL |
3716 | #endif |
3717 | ||
0a125897 KL |
3718 | /* Don't do this. I think termcap may still need the buffer. */ |
3719 | /* xfree (buffer); */ | |
28d440ab | 3720 | |
635e3b29 JR |
3721 | #endif /* not WINDOWSNT */ |
3722 | ||
0a125897 KL |
3723 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3724 | init_sys_modes (tty); | |
daf01701 | 3725 | |
6ed8eeff | 3726 | return terminal; |
08a24c47 JB |
3727 | } |
3728 | ||
a4c6993d | 3729 | /* Auxiliary error-handling function for init_tty. |
6ed8eeff | 3730 | Free BUFFER and delete TERMINAL, then call error or fatal |
da8e1115 KL |
3731 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
3732 | ||
3224dac1 | 3733 | static void |
6ed8eeff | 3734 | maybe_fatal (must_succeed, buffer, terminal, str1, str2, arg1, arg2) |
3224dac1 KL |
3735 | int must_succeed; |
3736 | char *buffer; | |
6ed8eeff | 3737 | struct terminal *terminal; |
3224dac1 KL |
3738 | char *str1, *str2, *arg1, *arg2; |
3739 | { | |
3740 | if (buffer) | |
3741 | xfree (buffer); | |
3742 | ||
6ed8eeff KL |
3743 | if (terminal) |
3744 | delete_tty (terminal); | |
3224dac1 KL |
3745 | |
3746 | if (must_succeed) | |
3747 | fatal (str2, arg1, arg2); | |
3748 | else | |
3749 | error (str1, arg1, arg2); | |
3750 | ||
3751 | abort (); | |
3752 | } | |
3753 | ||
08a24c47 | 3754 | /* VARARGS 1 */ |
dfcf069d | 3755 | void |
08a24c47 | 3756 | fatal (str, arg1, arg2) |
4746118a | 3757 | char *str, *arg1, *arg2; |
08a24c47 JB |
3758 | { |
3759 | fprintf (stderr, "emacs: "); | |
3760 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 3761 | fprintf (stderr, "\n"); |
08a24c47 JB |
3762 | fflush (stderr); |
3763 | exit (1); | |
3764 | } | |
07c57952 | 3765 | |
819b8f00 KL |
3766 | \f |
3767 | ||
6ed8eeff | 3768 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3769 | |
ed8dad6b | 3770 | static void |
6ed8eeff | 3771 | delete_tty (struct terminal *terminal) |
fca177d4 | 3772 | { |
428a555e | 3773 | struct tty_display_info *tty; |
fca177d4 | 3774 | Lisp_Object tail, frame; |
6ed8eeff | 3775 | int last_terminal; |
4d553a13 | 3776 | |
ab797f65 KL |
3777 | /* Protect against recursive calls. Fdelete_frame in |
3778 | delete_terminal calls us back when it deletes our last frame. */ | |
59a7bc63 | 3779 | if (!terminal->name) |
0a125897 | 3780 | return; |
fca177d4 | 3781 | |
6ed8eeff | 3782 | if (terminal->type != output_termcap) |
428a555e KL |
3783 | abort (); |
3784 | ||
6ed8eeff | 3785 | tty = terminal->display_info.tty; |
428a555e | 3786 | |
6ed8eeff | 3787 | last_terminal = 1; |
81be1a93 KL |
3788 | FOR_EACH_FRAME (tail, frame) |
3789 | { | |
3790 | struct frame *f = XFRAME (frame); | |
3791 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
3792 | { | |
6ed8eeff | 3793 | last_terminal = 0; |
81be1a93 KL |
3794 | break; |
3795 | } | |
3796 | } | |
6ed8eeff KL |
3797 | if (last_terminal) |
3798 | error ("Attempt to delete the sole terminal device with live frames"); | |
81be1a93 | 3799 | |
fca177d4 KL |
3800 | if (tty == tty_list) |
3801 | tty_list = tty->next; | |
3802 | else | |
3803 | { | |
28d7d09f | 3804 | struct tty_display_info *p; |
fca177d4 KL |
3805 | for (p = tty_list; p && p->next != tty; p = p->next) |
3806 | ; | |
3807 | ||
3808 | if (! p) | |
3809 | /* This should not happen. */ | |
3810 | abort (); | |
3811 | ||
0a125897 KL |
3812 | p->next = tty->next; |
3813 | tty->next = 0; | |
fca177d4 KL |
3814 | } |
3815 | ||
7e59217d | 3816 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3817 | before delete_terminal. */ |
04c3243c | 3818 | reset_sys_modes (tty); |
fca177d4 | 3819 | |
6ed8eeff | 3820 | delete_terminal (terminal); |
3224dac1 | 3821 | |
ab797f65 KL |
3822 | if (tty->name) |
3823 | xfree (tty->name); | |
3824 | ||
fca177d4 KL |
3825 | if (tty->type) |
3826 | xfree (tty->type); | |
daf01701 | 3827 | |
fca177d4 | 3828 | if (tty->input) |
819b8f00 KL |
3829 | { |
3830 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3831 | if (tty->input != stdin) | |
3832 | fclose (tty->input); | |
3833 | } | |
3834 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3835 | fclose (tty->output); |
3836 | if (tty->termscript) | |
3837 | fclose (tty->termscript); | |
daf01701 | 3838 | |
fca177d4 | 3839 | if (tty->old_tty) |
0a125897 | 3840 | xfree (tty->old_tty); |
fca177d4 | 3841 | |
0a125897 | 3842 | if (tty->Wcm) |
daf01701 KL |
3843 | xfree (tty->Wcm); |
3844 | ||
28d7d09f | 3845 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3846 | xfree (tty); |
fca177d4 KL |
3847 | } |
3848 | ||
428a555e KL |
3849 | \f |
3850 | ||
28d7d09f | 3851 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3852 | Called by the Fgarbage_collector. */ |
da8e1115 | 3853 | |
fca177d4 | 3854 | void |
ed8dad6b | 3855 | mark_ttys (void) |
fca177d4 | 3856 | { |
28d7d09f | 3857 | struct tty_display_info *tty; |
0c72d684 | 3858 | |
819b8f00 | 3859 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3860 | mark_object (tty->top_frame); |
fca177d4 KL |
3861 | } |
3862 | ||
428a555e KL |
3863 | \f |
3864 | ||
819b8f00 KL |
3865 | void |
3866 | syms_of_term () | |
3867 | { | |
3868 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
3869 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
3870 | This variable can be used by terminal emulator packages. */); | |
3871 | #ifdef TERMINFO | |
3872 | system_uses_terminfo = 1; | |
3873 | #else | |
3874 | system_uses_terminfo = 0; | |
3875 | #endif | |
3876 | ||
e4019195 DN |
3877 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3878 | doc: /* Functions to be run after suspending a tty. | |
ab797f65 | 3879 | The functions are run with one argument, the terminal id to be suspended. |
0b0d3e0b | 3880 | See `suspend-tty'. */); |
e4019195 | 3881 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3882 | |
3883 | ||
e4019195 DN |
3884 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
3885 | doc: /* Functions to be run after resuming a tty. | |
ab797f65 | 3886 | The functions are run with one argument, the terminal id that was revived. |
0b0d3e0b | 3887 | See `resume-tty'. */); |
e4019195 | 3888 | Vresume_tty_functions = Qnil; |
0b0d3e0b | 3889 | |
0db017c0 SM |
3890 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
3891 | doc: /* Non-nil means to make the cursor very visible. | |
3892 | This only has an effect when running in a text terminal. | |
3893 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3894 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3895 | visible_cursor = 1; | |
3896 | ||
819b8f00 KL |
3897 | defsubr (&Stty_display_color_p); |
3898 | defsubr (&Stty_display_color_cells); | |
072d84a6 | 3899 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3900 | defsubr (&Stty_type); |
3901 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
3902 | defsubr (&Ssuspend_tty); |
3903 | defsubr (&Sresume_tty); | |
7e5a23bd | 3904 | #ifdef HAVE_GPM |
6178ce5e SM |
3905 | defsubr (&Sgpm_mouse_start); |
3906 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 3907 | |
6178ce5e | 3908 | staticpro (&mouse_face_window); |
7e5a23bd | 3909 | #endif /* HAVE_GPM */ |
819b8f00 KL |
3910 | } |
3911 | ||
3912 | ||
3913 | ||
ab5796a9 MB |
3914 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3915 | (do not change this comment) */ |