Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
8cabe764 GM |
3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
4 | Free Software Foundation, Inc. | |
08a24c47 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
8 | GNU Emacs is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
684d6f5b | 10 | the Free Software Foundation; either version 3, or (at your option) |
08a24c47 JB |
11 | any later version. |
12 | ||
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
20 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 22 | |
d284f58f | 23 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 24 | |
565620a5 | 25 | #include <config.h> |
08a24c47 JB |
26 | #include <stdio.h> |
27 | #include <ctype.h> | |
a168702a | 28 | #include <string.h> |
59b3194c | 29 | #include <errno.h> |
28d440ab | 30 | #include <sys/file.h> |
7eb1e453 | 31 | |
d8b18043 | 32 | #ifdef HAVE_UNISTD_H |
1ec5dc77 | 33 | #include <unistd.h> |
d8b18043 | 34 | #endif |
7ee72033 | 35 | |
67ad74df KL |
36 | #if HAVE_TERMIOS_H |
37 | #include <termios.h> /* For TIOCNOTTY. */ | |
38 | #endif | |
03a1d6bd KL |
39 | |
40 | #include <signal.h> | |
7c401d15 | 41 | #include <stdarg.h> |
0c72d684 | 42 | |
9628b887 | 43 | #include "lisp.h" |
08a24c47 JB |
44 | #include "termchar.h" |
45 | #include "termopts.h" | |
9332ea03 KH |
46 | #include "buffer.h" |
47 | #include "character.h" | |
a4decb7f KH |
48 | #include "charset.h" |
49 | #include "coding.h" | |
4c12d738 | 50 | #include "composite.h" |
2538fae4 | 51 | #include "keyboard.h" |
ff11dfa1 | 52 | #include "frame.h" |
08a24c47 JB |
53 | #include "disptab.h" |
54 | #include "termhooks.h" | |
dfcf069d | 55 | #include "dispextern.h" |
a168702a | 56 | #include "window.h" |
8feddab4 | 57 | #include "keymap.h" |
1a935bfd | 58 | #include "blockinput.h" |
03a1d6bd KL |
59 | #include "syssignal.h" |
60 | #include "systty.h" | |
c9612b8e | 61 | #include "intervals.h" |
a168702a | 62 | |
ff23e1dd GM |
63 | /* For now, don't try to include termcap.h. On some systems, |
64 | configure finds a non-standard termcap.h that the main build | |
65 | won't find. */ | |
66 | ||
67 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 68 | #include <termcap.h> |
46d1b2bc DL |
69 | #else |
70 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
71 | extern int tgetent P_ ((char *, const char *)); | |
72 | extern int tgetflag P_ ((char *id)); | |
73 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
74 | #endif |
75 | ||
eccec691 | 76 | #include "cm.h" |
dfcf069d AS |
77 | #ifdef HAVE_X_WINDOWS |
78 | #include "xterm.h" | |
79 | #endif | |
e0f712ba | 80 | #ifdef MAC_OS |
1a578e9b AC |
81 | #include "macterm.h" |
82 | #endif | |
c8951b18 | 83 | |
28d440ab KL |
84 | #ifndef O_RDWR |
85 | #define O_RDWR 2 | |
86 | #endif | |
6b61353c | 87 | |
0c72d684 KL |
88 | #ifndef O_NOCTTY |
89 | #define O_NOCTTY 0 | |
90 | #endif | |
6b61353c | 91 | |
78048085 EZ |
92 | /* The name of the default console device. */ |
93 | #ifdef WINDOWSNT | |
94 | #define DEV_TTY "CONOUT$" | |
95 | #else | |
96 | #define DEV_TTY "/dev/tty" | |
97 | #endif | |
a168702a | 98 | |
ed8dad6b | 99 | static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop)); |
a168702a GM |
100 | static void turn_on_face P_ ((struct frame *, int face_id)); |
101 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
28d7d09f KL |
102 | static void tty_show_cursor P_ ((struct tty_display_info *)); |
103 | static void tty_hide_cursor P_ ((struct tty_display_info *)); | |
ed8dad6b | 104 | static void tty_background_highlight P_ ((struct tty_display_info *tty)); |
4a665758 KL |
105 | static void clear_tty_hooks P_ ((struct terminal *terminal)); |
106 | static void set_tty_hooks P_ ((struct terminal *terminal)); | |
ed8dad6b | 107 | static void dissociate_if_controlling_tty P_ ((int fd)); |
6ed8eeff | 108 | static void delete_tty P_ ((struct terminal *)); |
a168702a | 109 | |
6548cf00 KL |
110 | #define OUTPUT(tty, a) \ |
111 | emacs_tputs ((tty), a, \ | |
112 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
113 | - curY (tty)), \ | |
114 | cmputc) | |
115 | ||
28d440ab KL |
116 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
117 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 118 | |
28d440ab | 119 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
120 | do { \ |
121 | if (a) \ | |
122 | emacs_tputs ((tty), a, \ | |
123 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
124 | - curY (tty) ), \ | |
125 | cmputc); \ | |
126 | } while (0) | |
177c0ea7 | 127 | |
28d440ab | 128 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 129 | |
0db017c0 SM |
130 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
131 | ||
132 | static int visible_cursor; | |
133 | ||
f46c2aff | 134 | /* Display space properties */ |
08a24c47 | 135 | |
f46c2aff | 136 | extern Lisp_Object Qspace, QCalign_to, QCwidth; |
08a24c47 | 137 | |
0b0d3e0b | 138 | /* Functions to call after suspending a tty. */ |
e4019195 | 139 | Lisp_Object Vsuspend_tty_functions; |
08a24c47 | 140 | |
0b0d3e0b | 141 | /* Functions to call after resuming a tty. */ |
e4019195 | 142 | Lisp_Object Vresume_tty_functions; |
08a24c47 | 143 | |
428a555e | 144 | /* Chain of all tty device parameters. */ |
28d7d09f | 145 | struct tty_display_info *tty_list; |
08a24c47 | 146 | |
fca177d4 KL |
147 | /* Nonzero means no need to redraw the entire frame on resuming a |
148 | suspended Emacs. This is useful on terminals with multiple | |
149 | pages, where one page is used for Emacs and another for all | |
150 | else. */ | |
08a24c47 | 151 | int no_redraw_on_reenter; |
4e6ba4a4 GM |
152 | |
153 | /* Meaning of bits in no_color_video. Each bit set means that the | |
154 | corresponding attribute cannot be combined with colors. */ | |
155 | ||
156 | enum no_color_bit | |
157 | { | |
158 | NC_STANDOUT = 1 << 0, | |
159 | NC_UNDERLINE = 1 << 1, | |
160 | NC_REVERSE = 1 << 2, | |
161 | NC_BLINK = 1 << 3, | |
162 | NC_DIM = 1 << 4, | |
163 | NC_BOLD = 1 << 5, | |
164 | NC_INVIS = 1 << 6, | |
165 | NC_PROTECT = 1 << 7, | |
166 | NC_ALT_CHARSET = 1 << 8 | |
167 | }; | |
168 | ||
08a24c47 JB |
169 | /* internal state */ |
170 | ||
8dd0c7cb | 171 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 172 | |
9882535b | 173 | int max_frame_cols; |
a168702a | 174 | |
8dd0c7cb | 175 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 176 | |
9882535b | 177 | int max_frame_lines; |
8dd0c7cb | 178 | |
0c72d684 KL |
179 | /* Non-zero if we have dropped our controlling tty and therefore |
180 | should not open a frame on stdout. */ | |
181 | static int no_controlling_tty; | |
08a24c47 | 182 | |
07c57952 | 183 | /* Provided for lisp packages. */ |
a168702a | 184 | |
07c57952 KH |
185 | static int system_uses_terminfo; |
186 | ||
08a24c47 | 187 | char *tparam (); |
e4bfb3b6 RS |
188 | |
189 | extern char *tgetstr (); | |
08a24c47 | 190 | \f |
cb28b9c2 | 191 | |
7e5a23bd | 192 | #ifdef HAVE_GPM |
e882229c | 193 | #include <sys/fcntl.h> |
e882229c | 194 | |
b870aa61 SM |
195 | static void term_clear_mouse_face (); |
196 | static void term_mouse_highlight (struct frame *f, int x, int y); | |
197 | ||
71f44e7a SM |
198 | /* The device for which we have enabled gpm support (or NULL). */ |
199 | struct tty_display_info *gpm_tty = NULL; | |
e882229c NR |
200 | |
201 | /* These variables describe the range of text currently shown in its | |
202 | mouse-face, together with the window they apply to. As long as | |
203 | the mouse stays within this range, we need not redraw anything on | |
204 | its account. Rows and columns are glyph matrix positions in | |
205 | MOUSE_FACE_WINDOW. */ | |
206 | static int mouse_face_beg_row, mouse_face_beg_col; | |
207 | static int mouse_face_end_row, mouse_face_end_col; | |
208 | static int mouse_face_past_end; | |
6178ce5e | 209 | static Lisp_Object mouse_face_window; |
e882229c NR |
210 | static int mouse_face_face_id; |
211 | ||
e882229c NR |
212 | static int pos_x, pos_y; |
213 | static int last_mouse_x, last_mouse_y; | |
7e5a23bd | 214 | #endif /* HAVE_GPM */ |
e882229c | 215 | |
da8e1115 | 216 | /* Ring the bell on a tty. */ |
c291d9ef | 217 | |
ed8dad6b | 218 | static void |
385ed61f | 219 | tty_ring_bell (struct frame *f) |
3224dac1 | 220 | { |
3224dac1 | 221 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 222 | |
b6660415 KL |
223 | if (tty->output) |
224 | { | |
225 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
226 | ? tty->TS_visible_bell | |
227 | : tty->TS_bell)); | |
228 | fflush (tty->output); | |
08a24c47 | 229 | } |
08a24c47 JB |
230 | } |
231 | ||
da8e1115 KL |
232 | /* Set up termcap modes for Emacs. */ |
233 | ||
dfcf069d | 234 | void |
6ed8eeff | 235 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 236 | { |
6ed8eeff | 237 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 238 | |
0b0d3e0b | 239 | if (tty->output) |
08a24c47 | 240 | { |
fbf34973 KL |
241 | if (tty->TS_termcap_modes) |
242 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 243 | else |
fbf34973 KL |
244 | { |
245 | /* Output enough newlines to scroll all the old screen contents | |
246 | off the screen, so it won't be overwritten and lost. */ | |
247 | int i; | |
a3c07f68 | 248 | current_tty = tty; |
fbf34973 | 249 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 250 | cmputc ('\n'); |
fbf34973 KL |
251 | } |
252 | ||
0b0d3e0b | 253 | OUTPUT_IF (tty, tty->TS_termcap_modes); |
b58cb614 | 254 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
255 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
256 | losecursor (tty); | |
2f98e6e3 | 257 | fflush (tty->output); |
08a24c47 | 258 | } |
08a24c47 JB |
259 | } |
260 | ||
da8e1115 KL |
261 | /* Reset termcap modes before exiting Emacs. */ |
262 | ||
dfcf069d | 263 | void |
6ed8eeff | 264 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 265 | { |
6ed8eeff | 266 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
267 | |
268 | if (tty->output) | |
08a24c47 | 269 | { |
ed8dad6b KL |
270 | tty_turn_off_highlight (tty); |
271 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
272 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
273 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
274 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
275 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 276 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 277 | current_tty = tty; |
d284f58f | 278 | cmputc ('\r'); |
2f98e6e3 | 279 | fflush (tty->output); |
08a24c47 | 280 | } |
08a24c47 JB |
281 | } |
282 | ||
6ed8eeff | 283 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 284 | |
ed8dad6b | 285 | static void |
3224dac1 | 286 | tty_update_end (struct frame *f) |
08a24c47 | 287 | { |
3224dac1 | 288 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 289 | |
3224dac1 KL |
290 | if (!XWINDOW (selected_window)->cursor_off_p) |
291 | tty_show_cursor (tty); | |
ed8dad6b KL |
292 | tty_turn_off_insert (tty); |
293 | tty_background_highlight (tty); | |
08a24c47 JB |
294 | } |
295 | ||
da8e1115 KL |
296 | /* The implementation of set_terminal_window for termcap frames. */ |
297 | ||
ed8dad6b | 298 | static void |
385ed61f | 299 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 300 | { |
3224dac1 KL |
301 | struct tty_display_info *tty = FRAME_TTY (f); |
302 | ||
303 | tty->specified_window = size ? size : FRAME_LINES (f); | |
304 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 305 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
306 | } |
307 | ||
ed8dad6b KL |
308 | static void |
309 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
310 | { |
311 | char *buf; | |
28d7d09f | 312 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 313 | |
fca177d4 KL |
314 | if (tty->TS_set_scroll_region) |
315 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1); | |
316 | else if (tty->TS_set_scroll_region_1) | |
317 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
318 | FRAME_LINES (f), start, |
319 | FRAME_LINES (f) - stop, | |
320 | FRAME_LINES (f)); | |
08a24c47 | 321 | else |
fca177d4 | 322 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 323 | |
6548cf00 | 324 | OUTPUT (tty, buf); |
9ac0d9e0 | 325 | xfree (buf); |
6548cf00 | 326 | losecursor (tty); |
08a24c47 | 327 | } |
d284f58f | 328 | |
08a24c47 | 329 | \f |
d284f58f | 330 | static void |
ed8dad6b | 331 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 332 | { |
fca177d4 KL |
333 | if (!tty->insert_mode) |
334 | OUTPUT (tty, tty->TS_insert_mode); | |
335 | tty->insert_mode = 1; | |
08a24c47 JB |
336 | } |
337 | ||
dfcf069d | 338 | void |
ed8dad6b | 339 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 340 | { |
fca177d4 KL |
341 | if (tty->insert_mode) |
342 | OUTPUT (tty, tty->TS_end_insert_mode); | |
343 | tty->insert_mode = 0; | |
08a24c47 JB |
344 | } |
345 | \f | |
54800acb | 346 | /* Handle highlighting. */ |
08a24c47 | 347 | |
dfcf069d | 348 | void |
ed8dad6b | 349 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 350 | { |
fca177d4 KL |
351 | if (tty->standout_mode) |
352 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
353 | tty->standout_mode = 0; | |
08a24c47 JB |
354 | } |
355 | ||
d284f58f | 356 | static void |
ed8dad6b | 357 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 358 | { |
fca177d4 KL |
359 | if (!tty->standout_mode) |
360 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
361 | tty->standout_mode = 1; | |
08a24c47 JB |
362 | } |
363 | ||
86a7d192 | 364 | static void |
ed8dad6b | 365 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 366 | { |
fca177d4 | 367 | if (tty->standout_mode) |
ed8dad6b | 368 | tty_turn_off_highlight (tty); |
86a7d192 | 369 | else |
ed8dad6b | 370 | tty_turn_on_highlight (tty); |
86a7d192 GM |
371 | } |
372 | ||
a168702a GM |
373 | |
374 | /* Make cursor invisible. */ | |
375 | ||
376 | static void | |
28d7d09f | 377 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 378 | { |
fca177d4 | 379 | if (tty->cursor_hidden == 0) |
d284f58f | 380 | { |
fca177d4 KL |
381 | tty->cursor_hidden = 1; |
382 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 383 | } |
a168702a GM |
384 | } |
385 | ||
386 | ||
387 | /* Ensure that cursor is visible. */ | |
388 | ||
389 | static void | |
28d7d09f | 390 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 391 | { |
fca177d4 | 392 | if (tty->cursor_hidden) |
d284f58f | 393 | { |
fca177d4 KL |
394 | tty->cursor_hidden = 0; |
395 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 396 | if (visible_cursor) |
b58cb614 | 397 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 398 | } |
a168702a GM |
399 | } |
400 | ||
401 | ||
08a24c47 JB |
402 | /* Set standout mode to the state it should be in for |
403 | empty space inside windows. What this is, | |
404 | depends on the user option inverse-video. */ | |
405 | ||
ed8dad6b KL |
406 | static void |
407 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 408 | { |
08a24c47 | 409 | if (inverse_video) |
ed8dad6b | 410 | tty_turn_on_highlight (tty); |
08a24c47 | 411 | else |
ed8dad6b | 412 | tty_turn_off_highlight (tty); |
08a24c47 JB |
413 | } |
414 | ||
415 | /* Set standout mode to the mode specified for the text to be output. */ | |
416 | ||
dfcf069d | 417 | static void |
ed8dad6b | 418 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 419 | { |
8ede64a5 | 420 | if (inverse_video) |
ed8dad6b | 421 | tty_turn_on_highlight (tty); |
8ede64a5 | 422 | else |
ed8dad6b | 423 | tty_turn_off_highlight (tty); |
08a24c47 JB |
424 | } |
425 | \f | |
426 | ||
a168702a GM |
427 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
428 | frame-relative coordinates. */ | |
08a24c47 | 429 | |
ed8dad6b | 430 | static void |
385ed61f | 431 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 432 | { |
3224dac1 | 433 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 434 | |
36cae867 KH |
435 | /* Detect the case where we are called from reset_sys_modes |
436 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 437 | if (! tty->costs_set) |
36cae867 KH |
438 | return; |
439 | ||
6548cf00 KL |
440 | if (curY (tty) == vpos |
441 | && curX (tty) == hpos) | |
08a24c47 | 442 | return; |
fca177d4 | 443 | if (!tty->TF_standout_motion) |
ed8dad6b | 444 | tty_background_highlight (tty); |
fca177d4 | 445 | if (!tty->TF_insmode_motion) |
ed8dad6b | 446 | tty_turn_off_insert (tty); |
6548cf00 | 447 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
448 | } |
449 | ||
450 | /* Similar but don't take any account of the wasted characters. */ | |
451 | ||
ed8dad6b | 452 | static void |
385ed61f | 453 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 454 | { |
3224dac1 KL |
455 | struct tty_display_info *tty = FRAME_TTY (f); |
456 | ||
6548cf00 KL |
457 | if (curY (tty) == row |
458 | && curX (tty) == col) | |
08a24c47 | 459 | return; |
fca177d4 | 460 | if (!tty->TF_standout_motion) |
ed8dad6b | 461 | tty_background_highlight (tty); |
fca177d4 | 462 | if (!tty->TF_insmode_motion) |
ed8dad6b | 463 | tty_turn_off_insert (tty); |
6548cf00 | 464 | cmgoto (tty, row, col); |
08a24c47 JB |
465 | } |
466 | \f | |
467 | /* Erase operations */ | |
468 | ||
da8e1115 KL |
469 | /* Clear from cursor to end of frame on a termcap device. */ |
470 | ||
ed8dad6b | 471 | static void |
385ed61f | 472 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
473 | { |
474 | register int i; | |
3224dac1 | 475 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 476 | |
fca177d4 | 477 | if (tty->TS_clr_to_bottom) |
08a24c47 | 478 | { |
ed8dad6b | 479 | tty_background_highlight (tty); |
fca177d4 | 480 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
481 | } |
482 | else | |
483 | { | |
6548cf00 | 484 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 485 | { |
385ed61f KL |
486 | cursor_to (f, i, 0); |
487 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
488 | } |
489 | } | |
490 | } | |
491 | ||
da8e1115 | 492 | /* Clear an entire termcap frame. */ |
08a24c47 | 493 | |
ed8dad6b | 494 | static void |
385ed61f | 495 | tty_clear_frame (struct frame *f) |
08a24c47 | 496 | { |
3224dac1 | 497 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 498 | |
fca177d4 | 499 | if (tty->TS_clr_frame) |
08a24c47 | 500 | { |
ed8dad6b | 501 | tty_background_highlight (tty); |
fca177d4 | 502 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 503 | cmat (tty, 0, 0); |
08a24c47 JB |
504 | } |
505 | else | |
506 | { | |
385ed61f KL |
507 | cursor_to (f, 0, 0); |
508 | clear_to_end (f); | |
08a24c47 JB |
509 | } |
510 | } | |
511 | ||
da8e1115 | 512 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
513 | |
514 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
515 | ||
ed8dad6b | 516 | static void |
385ed61f | 517 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
518 | { |
519 | register int i; | |
3224dac1 | 520 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 521 | |
36cae867 KH |
522 | /* Detect the case where we are called from reset_sys_modes |
523 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 524 | if (! tty->costs_set) |
36cae867 KH |
525 | return; |
526 | ||
6548cf00 | 527 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 528 | return; |
ed8dad6b | 529 | tty_background_highlight (tty); |
fca177d4 | 530 | if (tty->TS_clr_line) |
08a24c47 | 531 | { |
fca177d4 | 532 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
533 | } |
534 | else | |
535 | { /* have to do it the hard way */ | |
ed8dad6b | 536 | tty_turn_off_insert (tty); |
08a24c47 | 537 | |
a168702a | 538 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 539 | if (AutoWrap (tty) |
0a125897 KL |
540 | && curY (tty) == FrameRows (tty) - 1 |
541 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
542 | first_unused_hpos--; |
543 | ||
6548cf00 | 544 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 545 | { |
0b0d3e0b KL |
546 | if (tty->termscript) |
547 | fputc (' ', tty->termscript); | |
548 | fputc (' ', tty->output); | |
08a24c47 | 549 | } |
6548cf00 | 550 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
551 | } |
552 | } | |
553 | \f | |
288d5132 KH |
554 | /* Buffers to store the source and result of code conversion for terminal. */ |
555 | static unsigned char *encode_terminal_src; | |
556 | static unsigned char *encode_terminal_dst; | |
557 | /* Allocated sizes of the above buffers. */ | |
558 | static int encode_terminal_src_size; | |
559 | static int encode_terminal_dst_size; | |
560 | ||
561 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
562 | Set CODING->produced to the byte-length of the resulting byte | |
563 | sequence, and return a pointer to that byte sequence. */ | |
564 | ||
565 | unsigned char * | |
566 | encode_terminal_code (src, src_len, coding) | |
a168702a | 567 | struct glyph *src; |
a4decb7f | 568 | int src_len; |
288d5132 | 569 | struct coding_system *coding; |
a4decb7f | 570 | { |
feef4f84 | 571 | struct glyph *src_end = src + src_len; |
288d5132 KH |
572 | unsigned char *buf; |
573 | int nchars, nbytes, required; | |
a4decb7f KH |
574 | register int tlen = GLYPH_TABLE_LENGTH; |
575 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 576 | Lisp_Object charset_list; |
c5a518df | 577 | |
288d5132 KH |
578 | /* Allocate sufficient size of buffer to store all characters in |
579 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
580 | Vglyph_table contains a string or a composite glyph is |
581 | encountered. */ | |
288d5132 KH |
582 | required = MAX_MULTIBYTE_LENGTH * src_len; |
583 | if (encode_terminal_src_size < required) | |
584 | { | |
585 | if (encode_terminal_src_size == 0) | |
586 | encode_terminal_src = xmalloc (required); | |
587 | else | |
588 | encode_terminal_src = xrealloc (encode_terminal_src, required); | |
589 | encode_terminal_src_size = required; | |
590 | } | |
6589fd67 | 591 | |
288d5132 | 592 | charset_list = coding_charset_list (coding); |
a4decb7f | 593 | |
288d5132 KH |
594 | buf = encode_terminal_src; |
595 | nchars = 0; | |
596 | while (src < src_end) | |
a4decb7f | 597 | { |
4c12d738 KH |
598 | if (src->type == COMPOSITE_GLYPH) |
599 | { | |
600 | struct composition *cmp = composition_table[src->u.cmp_id]; | |
601 | int i; | |
602 | ||
603 | nbytes = buf - encode_terminal_src; | |
604 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
605 | ||
606 | if (encode_terminal_src_size < nbytes + required) | |
607 | { | |
608 | encode_terminal_src_size = nbytes + required; | |
609 | encode_terminal_src = xrealloc (encode_terminal_src, | |
610 | encode_terminal_src_size); | |
611 | buf = encode_terminal_src + nbytes; | |
612 | } | |
613 | ||
614 | for (i = 0; i < cmp->glyph_len; i++) | |
615 | { | |
616 | int c = COMPOSITION_GLYPH (cmp, i); | |
f4d953fc | 617 | |
4c12d738 KH |
618 | if (! char_charset (c, charset_list, NULL)) |
619 | break; | |
620 | buf += CHAR_STRING (c, buf); | |
621 | nchars++; | |
622 | } | |
623 | if (i == 0) | |
624 | { | |
625 | /* The first character of the composition is not encodable. */ | |
626 | *buf++ = '?'; | |
627 | nchars++; | |
628 | } | |
629 | } | |
a4decb7f | 630 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 631 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 632 | { |
f4d953fc | 633 | GLYPH g; |
288d5132 KH |
634 | int c; |
635 | Lisp_Object string; | |
636 | ||
4ae0a2c0 | 637 | string = Qnil; |
f4d953fc | 638 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 639 | |
f4d953fc | 640 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 KH |
641 | { |
642 | /* This glyph doesn't has an entry in Vglyph_table. */ | |
643 | c = src->u.ch; | |
644 | } | |
32de38e4 | 645 | else |
a4decb7f | 646 | { |
32de38e4 | 647 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
648 | so process any alias before testing for simpleness. */ |
649 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
650 | |
651 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
652 | /* We set the multi-byte form of a character in G |
653 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 654 | c = GLYPH_CHAR (g); |
32de38e4 | 655 | else |
4ae0a2c0 | 656 | /* We have a string in Vglyph_table. */ |
f4d953fc | 657 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 658 | } |
177c0ea7 | 659 | |
4ae0a2c0 | 660 | if (NILP (string)) |
c42869c4 | 661 | { |
4c12d738 KH |
662 | nbytes = buf - encode_terminal_src; |
663 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
664 | { | |
665 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
666 | encode_terminal_src = xrealloc (encode_terminal_src, | |
667 | encode_terminal_src_size); | |
668 | buf = encode_terminal_src + nbytes; | |
669 | } | |
288d5132 | 670 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 671 | { |
288d5132 KH |
672 | /* Store the multibyte form of C at BUF. */ |
673 | buf += CHAR_STRING (c, buf); | |
674 | nchars++; | |
c5a518df KH |
675 | } |
676 | else | |
677 | { | |
288d5132 KH |
678 | /* C is not encodable. */ |
679 | *buf++ = '?'; | |
c5a518df | 680 | nchars++; |
288d5132 KH |
681 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
682 | { | |
683 | *buf++ = '?'; | |
684 | nchars++; | |
685 | src++; | |
686 | } | |
c5a518df | 687 | } |
4ae0a2c0 KH |
688 | } |
689 | else | |
690 | { | |
288d5132 KH |
691 | unsigned char *p = SDATA (string), *pend = p + SBYTES (string); |
692 | ||
693 | if (! STRING_MULTIBYTE (string)) | |
694 | string = string_to_multibyte (string); | |
695 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 696 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 697 | { |
288d5132 KH |
698 | encode_terminal_src_size = nbytes + SBYTES (string); |
699 | encode_terminal_src = xrealloc (encode_terminal_src, | |
700 | encode_terminal_src_size); | |
701 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 702 | } |
288d5132 KH |
703 | bcopy (SDATA (string), buf, SBYTES (string)); |
704 | buf += SBYTES (string); | |
705 | nchars += SCHARS (string); | |
c42869c4 | 706 | } |
a4decb7f | 707 | } |
288d5132 KH |
708 | src++; |
709 | } | |
710 | ||
711 | if (nchars == 0) | |
712 | { | |
713 | coding->produced = 0; | |
714 | return NULL; | |
a4decb7f | 715 | } |
177c0ea7 | 716 | |
288d5132 KH |
717 | nbytes = buf - encode_terminal_src; |
718 | coding->source = encode_terminal_src; | |
719 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 720 | { |
288d5132 KH |
721 | encode_terminal_dst_size = encode_terminal_src_size; |
722 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 723 | } |
288d5132 KH |
724 | coding->destination = encode_terminal_dst; |
725 | coding->dst_bytes = encode_terminal_dst_size; | |
726 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 727 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
728 | encode_terminal_dst = coding->destination; |
729 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 730 | |
288d5132 | 731 | return (encode_terminal_dst); |
a4decb7f KH |
732 | } |
733 | ||
08a24c47 | 734 | |
c73bd236 | 735 | |
da8e1115 KL |
736 | /* An implementation of write_glyphs for termcap frames. */ |
737 | ||
ed8dad6b | 738 | static void |
385ed61f | 739 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 740 | { |
288d5132 KH |
741 | unsigned char *conversion_buffer; |
742 | struct coding_system *coding; | |
08a24c47 | 743 | |
3224dac1 | 744 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 745 | |
ed8dad6b | 746 | tty_turn_off_insert (tty); |
fca177d4 | 747 | tty_hide_cursor (tty); |
08a24c47 | 748 | |
a168702a | 749 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 750 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 751 | |
6548cf00 KL |
752 | if (AutoWrap (tty) |
753 | && curY (tty) + 1 == FRAME_LINES (f) | |
754 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 755 | len --; |
a4decb7f KH |
756 | if (len <= 0) |
757 | return; | |
08a24c47 | 758 | |
6548cf00 | 759 | cmplus (tty, len); |
177c0ea7 | 760 | |
af645abf KH |
761 | /* If terminal_coding does any conversion, use it, otherwise use |
762 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
763 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
764 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
765 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
766 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
767 | the tail. */ | |
af645abf | 768 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 769 | |
a4decb7f | 770 | while (len > 0) |
08a24c47 | 771 | { |
a168702a | 772 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 773 | int face_id = string->face_id; |
a168702a | 774 | int n; |
177c0ea7 | 775 | |
a168702a | 776 | for (n = 1; n < len; ++n) |
32de38e4 | 777 | if (string[n].face_id != face_id) |
a168702a GM |
778 | break; |
779 | ||
780 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 781 | tty_highlight_if_desired (tty); |
a168702a GM |
782 | turn_on_face (f, face_id); |
783 | ||
288d5132 KH |
784 | if (n == len) |
785 | /* This is the last run. */ | |
786 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
787 | conversion_buffer = encode_terminal_code (string, n, coding); | |
788 | if (coding->produced > 0) | |
08a24c47 | 789 | { |
1a935bfd | 790 | BLOCK_INPUT; |
fad2f685 KL |
791 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
792 | if (ferror (tty->output)) | |
793 | clearerr (tty->output); | |
794 | if (tty->termscript) | |
795 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 796 | UNBLOCK_INPUT; |
08a24c47 | 797 | } |
288d5132 KH |
798 | len -= n; |
799 | string += n; | |
a168702a GM |
800 | |
801 | /* Turn appearance modes off. */ | |
802 | turn_off_face (f, face_id); | |
ed8dad6b | 803 | tty_turn_off_highlight (tty); |
a4decb7f | 804 | } |
177c0ea7 | 805 | |
6548cf00 | 806 | cmcheckmagic (tty); |
08a24c47 JB |
807 | } |
808 | ||
b870aa61 SM |
809 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
810 | ||
7be1c21a MB |
811 | static void |
812 | tty_write_glyphs_with_face (f, string, len, face_id) | |
813 | register struct frame *f; | |
e882229c NR |
814 | register struct glyph *string; |
815 | register int len, face_id; | |
816 | { | |
e882229c NR |
817 | unsigned char *conversion_buffer; |
818 | struct coding_system *coding; | |
819 | ||
7be1c21a MB |
820 | struct tty_display_info *tty = FRAME_TTY (f); |
821 | ||
822 | tty_turn_off_insert (tty); | |
823 | tty_hide_cursor (tty); | |
e882229c NR |
824 | |
825 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
826 | since that would scroll the whole frame on some terminals. */ | |
827 | ||
7be1c21a MB |
828 | if (AutoWrap (tty) |
829 | && curY (tty) + 1 == FRAME_LINES (f) | |
830 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
831 | len --; |
832 | if (len <= 0) | |
833 | return; | |
834 | ||
7be1c21a | 835 | cmplus (tty, len); |
e882229c NR |
836 | |
837 | /* If terminal_coding does any conversion, use it, otherwise use | |
838 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
839 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
840 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
841 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
842 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
843 | the tail. */ | |
844 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
845 | ||
e882229c | 846 | /* Turn appearance modes of the face. */ |
7be1c21a | 847 | tty_highlight_if_desired (tty); |
e882229c NR |
848 | turn_on_face (f, face_id); |
849 | ||
850 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
851 | conversion_buffer = encode_terminal_code (string, len, coding); | |
852 | if (coding->produced > 0) | |
853 | { | |
854 | BLOCK_INPUT; | |
7be1c21a MB |
855 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
856 | if (ferror (tty->output)) | |
857 | clearerr (tty->output); | |
858 | if (tty->termscript) | |
859 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
860 | UNBLOCK_INPUT; |
861 | } | |
862 | ||
863 | /* Turn appearance modes off. */ | |
864 | turn_off_face (f, face_id); | |
7be1c21a | 865 | tty_turn_off_highlight (tty); |
e882229c | 866 | |
7be1c21a | 867 | cmcheckmagic (tty); |
e882229c | 868 | } |
b870aa61 | 869 | #endif |
e882229c | 870 | |
da8e1115 | 871 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 872 | |
ed8dad6b | 873 | static void |
385ed61f | 874 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
875 | { |
876 | char *buf; | |
6bbd7a29 | 877 | struct glyph *glyph = NULL; |
af645abf KH |
878 | unsigned char *conversion_buffer; |
879 | unsigned char space[1]; | |
880 | struct coding_system *coding; | |
08a24c47 | 881 | |
3224dac1 | 882 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 883 | |
fca177d4 | 884 | if (tty->TS_ins_multi_chars) |
08a24c47 | 885 | { |
fca177d4 | 886 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 887 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 888 | xfree (buf); |
08a24c47 | 889 | if (start) |
385ed61f | 890 | write_glyphs (f, start, len); |
08a24c47 JB |
891 | return; |
892 | } | |
893 | ||
ed8dad6b | 894 | tty_turn_on_insert (tty); |
6548cf00 | 895 | cmplus (tty, len); |
288d5132 KH |
896 | |
897 | if (! start) | |
898 | space[0] = SPACEGLYPH; | |
899 | ||
900 | /* If terminal_coding does any conversion, use it, otherwise use | |
901 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
902 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
903 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
904 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
905 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
906 | the tail. */ | |
907 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
908 | ||
07109bf9 | 909 | while (len-- > 0) |
08a24c47 | 910 | { |
fca177d4 | 911 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 912 | if (!start) |
32de38e4 | 913 | { |
288d5132 KH |
914 | conversion_buffer = space; |
915 | coding->produced = 1; | |
32de38e4 | 916 | } |
08a24c47 | 917 | else |
08a24c47 | 918 | { |
ed8dad6b | 919 | tty_highlight_if_desired (tty); |
32de38e4 | 920 | turn_on_face (f, start->face_id); |
816be8b8 | 921 | glyph = start; |
a168702a | 922 | ++start; |
a4decb7f KH |
923 | /* We must open sufficient space for a character which |
924 | occupies more than one column. */ | |
a168702a | 925 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 926 | { |
fca177d4 | 927 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
928 | start++, len--; |
929 | } | |
288d5132 KH |
930 | |
931 | if (len <= 0) | |
932 | /* This is the last glyph. */ | |
933 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
934 | ||
fad2f685 | 935 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 936 | } |
a4decb7f | 937 | |
288d5132 | 938 | if (coding->produced > 0) |
08a24c47 | 939 | { |
1a935bfd | 940 | BLOCK_INPUT; |
fad2f685 | 941 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
942 | if (ferror (tty->output)) |
943 | clearerr (tty->output); | |
944 | if (tty->termscript) | |
fad2f685 | 945 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 946 | UNBLOCK_INPUT; |
08a24c47 JB |
947 | } |
948 | ||
fca177d4 | 949 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 950 | if (start) |
65aa5e85 GM |
951 | { |
952 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 953 | tty_turn_off_highlight (tty); |
65aa5e85 | 954 | } |
9a6b6f92 | 955 | } |
177c0ea7 | 956 | |
6548cf00 | 957 | cmcheckmagic (tty); |
08a24c47 JB |
958 | } |
959 | ||
da8e1115 KL |
960 | /* An implementation of delete_glyphs for termcap frames. */ |
961 | ||
ed8dad6b | 962 | static void |
385ed61f | 963 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
964 | { |
965 | char *buf; | |
966 | register int i; | |
967 | ||
3224dac1 | 968 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 969 | |
fca177d4 | 970 | if (tty->delete_in_insert_mode) |
08a24c47 | 971 | { |
ed8dad6b | 972 | tty_turn_on_insert (tty); |
08a24c47 JB |
973 | } |
974 | else | |
975 | { | |
ed8dad6b | 976 | tty_turn_off_insert (tty); |
fca177d4 | 977 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
978 | } |
979 | ||
fca177d4 | 980 | if (tty->TS_del_multi_chars) |
08a24c47 | 981 | { |
fca177d4 | 982 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 983 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 984 | xfree (buf); |
08a24c47 JB |
985 | } |
986 | else | |
987 | for (i = 0; i < n; i++) | |
fca177d4 KL |
988 | OUTPUT1 (tty, tty->TS_del_char); |
989 | if (!tty->delete_in_insert_mode) | |
990 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
991 | } |
992 | \f | |
da8e1115 | 993 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 994 | |
ed8dad6b | 995 | static void |
385ed61f | 996 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 997 | { |
3224dac1 KL |
998 | struct tty_display_info *tty = FRAME_TTY (f); |
999 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1000 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1001 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1002 | |
1003 | register int i = n > 0 ? n : -n; | |
1004 | register char *buf; | |
1005 | ||
08a24c47 JB |
1006 | /* If the lines below the insertion are being pushed |
1007 | into the end of the window, this is the same as clearing; | |
1008 | and we know the lines are already clear, since the matching | |
1009 | deletion has already been done. So can ignore this. */ | |
1010 | /* If the lines below the deletion are blank lines coming | |
1011 | out of the end of the window, don't bother, | |
1012 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1013 | if (FRAME_SCROLL_REGION_OK (f) |
1014 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1015 | return; |
3224dac1 KL |
1016 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1017 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1018 | return; |
f4d953fc | 1019 | |
08a24c47 JB |
1020 | if (multi) |
1021 | { | |
6839f1e2 | 1022 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1023 | tty_background_highlight (tty); |
08a24c47 | 1024 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1025 | OUTPUT (tty, buf); |
9ac0d9e0 | 1026 | xfree (buf); |
08a24c47 JB |
1027 | } |
1028 | else if (single) | |
1029 | { | |
6839f1e2 | 1030 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1031 | tty_background_highlight (tty); |
08a24c47 | 1032 | while (--i >= 0) |
3224dac1 KL |
1033 | OUTPUT (tty, single); |
1034 | if (tty->TF_teleray) | |
1035 | curX (tty) = 0; | |
08a24c47 JB |
1036 | } |
1037 | else | |
1038 | { | |
ed8dad6b | 1039 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1040 | if (n < 0) |
6839f1e2 | 1041 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1042 | else |
6839f1e2 | 1043 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1044 | tty_background_highlight (tty); |
08a24c47 | 1045 | while (--i >= 0) |
3224dac1 | 1046 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1047 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1048 | } |
f4d953fc | 1049 | |
3224dac1 KL |
1050 | if (!FRAME_SCROLL_REGION_OK (f) |
1051 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1052 | && n < 0) | |
08a24c47 | 1053 | { |
385ed61f KL |
1054 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1055 | clear_to_end (f); | |
08a24c47 JB |
1056 | } |
1057 | } | |
1058 | \f | |
1059 | /* Compute cost of sending "str", in characters, | |
1060 | not counting any line-dependent padding. */ | |
1061 | ||
1062 | int | |
6839f1e2 | 1063 | string_cost (char *str) |
08a24c47 JB |
1064 | { |
1065 | cost = 0; | |
1066 | if (str) | |
1067 | tputs (str, 0, evalcost); | |
1068 | return cost; | |
1069 | } | |
1070 | ||
1071 | /* Compute cost of sending "str", in characters, | |
1072 | counting any line-dependent padding at one line. */ | |
1073 | ||
1074 | static int | |
6839f1e2 | 1075 | string_cost_one_line (char *str) |
08a24c47 JB |
1076 | { |
1077 | cost = 0; | |
1078 | if (str) | |
1079 | tputs (str, 1, evalcost); | |
1080 | return cost; | |
1081 | } | |
1082 | ||
1083 | /* Compute per line amount of line-dependent padding, | |
1084 | in tenths of characters. */ | |
1085 | ||
1086 | int | |
6839f1e2 | 1087 | per_line_cost (char *str) |
08a24c47 JB |
1088 | { |
1089 | cost = 0; | |
1090 | if (str) | |
1091 | tputs (str, 0, evalcost); | |
1092 | cost = - cost; | |
1093 | if (str) | |
1094 | tputs (str, 10, evalcost); | |
1095 | return cost; | |
1096 | } | |
1097 | ||
1098 | #ifndef old | |
1099 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1100 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1101 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1102 | |
1103 | int *char_ins_del_vector; | |
1104 | ||
9882535b | 1105 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1106 | #endif |
1107 | ||
1108 | /* ARGSUSED */ | |
1109 | static void | |
6839f1e2 | 1110 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1111 | { |
28d7d09f | 1112 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1113 | int ins_startup_cost, del_startup_cost; |
1114 | int ins_cost_per_char, del_cost_per_char; | |
1115 | register int i; | |
1116 | register int *p; | |
1117 | ||
fca177d4 | 1118 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1119 | { |
1120 | ins_cost_per_char = 0; | |
fca177d4 | 1121 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1122 | } |
fca177d4 KL |
1123 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1124 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1125 | { |
fca177d4 KL |
1126 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1127 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1128 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1129 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1130 | } |
1131 | else | |
1132 | { | |
1133 | ins_startup_cost = 9999; | |
1134 | ins_cost_per_char = 0; | |
1135 | } | |
1136 | ||
fca177d4 | 1137 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1138 | { |
1139 | del_cost_per_char = 0; | |
fca177d4 | 1140 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1141 | } |
fca177d4 | 1142 | else if (tty->TS_del_char) |
08a24c47 | 1143 | { |
fca177d4 KL |
1144 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1145 | + string_cost (tty->TS_end_delete_mode)); | |
1146 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1147 | del_startup_cost /= 2; |
fca177d4 | 1148 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1149 | } |
1150 | else | |
1151 | { | |
1152 | del_startup_cost = 9999; | |
1153 | del_cost_per_char = 0; | |
1154 | } | |
1155 | ||
1156 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1157 | p = &char_ins_del_cost (f)[0]; |
1158 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1159 | *--p = (del_startup_cost += del_cost_per_char); |
1160 | ||
1161 | /* Doing nothing is free */ | |
fca177d4 | 1162 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1163 | *p++ = 0; |
1164 | ||
1165 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1166 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1167 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1168 | } | |
1169 | ||
dfcf069d | 1170 | void |
6839f1e2 | 1171 | calculate_costs (struct frame *frame) |
08a24c47 | 1172 | { |
9f732a77 | 1173 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1174 | |
28d440ab | 1175 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1176 | { |
1177 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1178 | register char *f = (tty->TS_set_scroll_region | |
1179 | ? tty->TS_set_scroll_region | |
1180 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1181 | |
daf01701 | 1182 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1183 | |
daf01701 | 1184 | tty->costs_set = 1; |
08a24c47 | 1185 | |
daf01701 KL |
1186 | /* These variables are only used for terminal stuff. They are |
1187 | allocated once for the terminal frame of X-windows emacs, but not | |
1188 | used afterwards. | |
8dd0c7cb | 1189 | |
daf01701 KL |
1190 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1191 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1192 | |
daf01701 KL |
1193 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1194 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1195 | |
daf01701 KL |
1196 | if (char_ins_del_vector != 0) |
1197 | char_ins_del_vector | |
1198 | = (int *) xrealloc (char_ins_del_vector, | |
1199 | (sizeof (int) | |
1200 | + 2 * max_frame_cols * sizeof (int))); | |
1201 | else | |
1202 | char_ins_del_vector | |
1203 | = (int *) xmalloc (sizeof (int) | |
1204 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1205 | |
daf01701 KL |
1206 | bzero (char_ins_del_vector, (sizeof (int) |
1207 | + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1208 | |
daf01701 KL |
1209 | |
1210 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1211 | do_line_insertion_deletion_costs (frame, | |
1212 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1213 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1214 | f, f, 1); | |
1215 | else | |
1216 | do_line_insertion_deletion_costs (frame, | |
1217 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1218 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1219 | 0, 0, 1); | |
1220 | ||
1221 | calculate_ins_del_char_costs (frame); | |
1222 | ||
1223 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1224 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1225 | tty->RPov = string_cost (tty->TS_repeat); | |
1226 | else | |
1227 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1228 | |
daf01701 KL |
1229 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1230 | } | |
08a24c47 JB |
1231 | } |
1232 | \f | |
a796ac82 JB |
1233 | struct fkey_table { |
1234 | char *cap, *name; | |
1235 | }; | |
1236 | ||
01d8deb0 ER |
1237 | /* Termcap capability names that correspond directly to X keysyms. |
1238 | Some of these (marked "terminfo") aren't supplied by old-style | |
1239 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1240 | except we put the keypad keys first, so that if they clash with | |
1241 | other keys (as on the IBM PC keyboard) they get overridden. | |
1242 | */ | |
1243 | ||
a168702a GM |
1244 | static struct fkey_table keys[] = |
1245 | { | |
8103ad1a PJ |
1246 | {"kh", "home"}, /* termcap */ |
1247 | {"kl", "left"}, /* termcap */ | |
1248 | {"ku", "up"}, /* termcap */ | |
1249 | {"kr", "right"}, /* termcap */ | |
1250 | {"kd", "down"}, /* termcap */ | |
1251 | {"%8", "prior"}, /* terminfo */ | |
1252 | {"%5", "next"}, /* terminfo */ | |
1253 | {"@7", "end"}, /* terminfo */ | |
1254 | {"@1", "begin"}, /* terminfo */ | |
1255 | {"*6", "select"}, /* terminfo */ | |
1256 | {"%9", "print"}, /* terminfo */ | |
1257 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1258 | /* |
1259 | * "insert" --- see below | |
1260 | */ | |
8103ad1a PJ |
1261 | {"&8", "undo"}, /* terminfo */ |
1262 | {"%0", "redo"}, /* terminfo */ | |
1263 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1264 | {"@0", "find"}, /* terminfo */ | |
1265 | {"@2", "cancel"}, /* terminfo */ | |
1266 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1267 | /* |
1268 | * "break" goes here, but can't be reliably intercepted with termcap | |
1269 | */ | |
8103ad1a | 1270 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1271 | /* |
1272 | * "system" and "user" --- no termcaps | |
1273 | */ | |
8103ad1a PJ |
1274 | {"kE", "clearline"}, /* terminfo */ |
1275 | {"kA", "insertline"}, /* terminfo */ | |
1276 | {"kL", "deleteline"}, /* terminfo */ | |
1277 | {"kI", "insertchar"}, /* terminfo */ | |
1278 | {"kD", "deletechar"}, /* terminfo */ | |
1279 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1280 | /* |
1281 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1282 | */ | |
8103ad1a | 1283 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1284 | /* |
1285 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1286 | * "kp-multiply", "kp-add", "kp-separator", | |
1287 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1288 | * --- no termcaps for any of these. | |
1289 | */ | |
8103ad1a | 1290 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1291 | /* |
1292 | * "kp-2" --- no termcap | |
1293 | */ | |
8103ad1a | 1294 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1295 | /* |
1296 | * "kp-4" --- no termcap | |
1297 | */ | |
8103ad1a | 1298 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1299 | /* |
1300 | * "kp-6" --- no termcap | |
1301 | */ | |
8103ad1a | 1302 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1303 | /* |
1304 | * "kp-8" --- no termcap | |
1305 | */ | |
8103ad1a | 1306 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1307 | /* |
1308 | * "kp-equal" --- no termcap | |
1309 | */ | |
8103ad1a PJ |
1310 | {"k1", "f1"}, |
1311 | {"k2", "f2"}, | |
1312 | {"k3", "f3"}, | |
1313 | {"k4", "f4"}, | |
1314 | {"k5", "f5"}, | |
1315 | {"k6", "f6"}, | |
1316 | {"k7", "f7"}, | |
1317 | {"k8", "f8"}, | |
60ec7b7e DN |
1318 | {"k9", "f9"}, |
1319 | ||
1320 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1321 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1322 | {"*0", "S-find"}, /*shifted find key*/ | |
1323 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1324 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1325 | {"*7", "S-end"}, /*shifted end key*/ | |
1326 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1327 | {"#1", "S-help"}, /*shifted help key*/ | |
1328 | {"#2", "S-home"}, /*shifted home key*/ | |
1329 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1330 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1331 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1332 | {"%c", "S-next"}, /*shifted next key*/ | |
1333 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1334 | {"%f", "S-print"}, /*shifted print key*/ | |
1335 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1336 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1337 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1338 | }; |
1339 | ||
e7cf0fa0 KL |
1340 | static char **term_get_fkeys_address; |
1341 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1342 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1343 | |
4f4a84ec | 1344 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1345 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1346 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1347 | |
ed8dad6b | 1348 | static void |
e7cf0fa0 | 1349 | term_get_fkeys (address, kboard) |
5c2c7893 | 1350 | char **address; |
e7cf0fa0 | 1351 | KBOARD *kboard; |
f2a00342 RM |
1352 | { |
1353 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1354 | errors during the call. The only errors should be from Fdefine_key | |
1355 | when given a key sequence containing an invalid prefix key. If the | |
1356 | termcap defines function keys which use a prefix that is already bound | |
1357 | to a command by the default bindings, we should silently ignore that | |
1358 | function key specification, rather than giving the user an error and | |
1359 | refusing to run at all on such a terminal. */ | |
1360 | ||
1361 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1362 | term_get_fkeys_address = address; |
1363 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1364 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1365 | } | |
1366 | ||
1367 | static Lisp_Object | |
1368 | term_get_fkeys_1 () | |
5c2c7893 | 1369 | { |
5c2c7893 JB |
1370 | int i; |
1371 | ||
e7cf0fa0 KL |
1372 | char **address = term_get_fkeys_address; |
1373 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1374 | |
3e65092f | 1375 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1376 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1377 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1378 | |
5c2c7893 JB |
1379 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1380 | { | |
1381 | char *sequence = tgetstr (keys[i].cap, address); | |
1382 | if (sequence) | |
4f4a84ec | 1383 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1384 | Fmake_vector (make_number (1), |
1385 | intern (keys[i].name))); | |
5c2c7893 | 1386 | } |
a796ac82 JB |
1387 | |
1388 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1389 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1390 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1391 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1392 | */ | |
1393 | { | |
1394 | char *k_semi = tgetstr ("k;", address); | |
1395 | char *k0 = tgetstr ("k0", address); | |
1396 | char *k0_name = "f10"; | |
1397 | ||
1398 | if (k_semi) | |
1399 | { | |
95c11956 SM |
1400 | if (k0) |
1401 | /* Define f0 first, so that f10 takes precedence in case the | |
1402 | key sequences happens to be the same. */ | |
4f4a84ec | 1403 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1404 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1405 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1406 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1407 | } |
95c11956 | 1408 | else if (k0) |
4f4a84ec | 1409 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1410 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1411 | } |
01d8deb0 ER |
1412 | |
1413 | /* Set up cookies for numbered function keys above f10. */ | |
1414 | { | |
1415 | char fcap[3], fkey[4]; | |
1416 | ||
fc4f24da | 1417 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1418 | for (i = 11; i < 64; i++) |
1419 | { | |
1420 | if (i <= 19) | |
1421 | fcap[1] = '1' + i - 11; | |
1422 | else if (i <= 45) | |
b59ab95c | 1423 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1424 | else |
b59ab95c | 1425 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1426 | |
fc4f24da RS |
1427 | { |
1428 | char *sequence = tgetstr (fcap, address); | |
1429 | if (sequence) | |
1430 | { | |
465db27b | 1431 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1432 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1433 | Fmake_vector (make_number (1), |
1434 | intern (fkey))); | |
fc4f24da RS |
1435 | } |
1436 | } | |
01d8deb0 ER |
1437 | } |
1438 | } | |
1439 | ||
1440 | /* | |
1441 | * Various mappings to try and get a better fit. | |
1442 | */ | |
1443 | { | |
fc4f24da RS |
1444 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1445 | if (!tgetstr (cap1, address)) \ | |
1446 | { \ | |
1447 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1448 | if (sequence) \ |
4f4a84ec | 1449 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1450 | Fmake_vector (make_number (1), \ |
1451 | intern (sym))); \ | |
fc4f24da | 1452 | } |
177c0ea7 | 1453 | |
01d8deb0 | 1454 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1455 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1456 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1457 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1458 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1459 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1460 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1461 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1462 | |
1463 | /* IBM has their own non-standard dialect of terminfo. | |
1464 | If the standard name isn't found, try the IBM name. */ | |
1465 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1466 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1467 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1468 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1469 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1470 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1471 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1472 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1473 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1474 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1475 | } |
a168702a GM |
1476 | |
1477 | return Qnil; | |
5c2c7893 JB |
1478 | } |
1479 | ||
1480 | \f | |
a168702a GM |
1481 | /*********************************************************************** |
1482 | Character Display Information | |
1483 | ***********************************************************************/ | |
1484 | ||
47021b11 KS |
1485 | /* Avoid name clash with functions defined in xterm.c */ |
1486 | #ifdef static | |
1487 | #define append_glyph append_glyph_term | |
1488 | #define produce_stretch_glyph produce_stretch_glyph_term | |
4c12d738 KH |
1489 | #define append_composite_glyph append_composite_glyph_term |
1490 | #define produce_composite_glyph produce_composite_glyph_term | |
47021b11 KS |
1491 | #endif |
1492 | ||
a168702a | 1493 | static void append_glyph P_ ((struct it *)); |
6b61353c | 1494 | static void produce_stretch_glyph P_ ((struct it *)); |
4c12d738 KH |
1495 | static void append_composite_glyph P_ ((struct it *)); |
1496 | static void produce_composite_glyph P_ ((struct it *)); | |
a168702a GM |
1497 | |
1498 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1499 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1500 | the character for which to produce glyphs; IT->face_id contains the | |
1501 | character's face. Padding glyphs are appended if IT->c has a | |
1502 | IT->pixel_width > 1. */ | |
177c0ea7 | 1503 | |
a168702a GM |
1504 | static void |
1505 | append_glyph (it) | |
1506 | struct it *it; | |
1507 | { | |
1508 | struct glyph *glyph, *end; | |
1509 | int i; | |
1510 | ||
1511 | xassert (it->glyph_row); | |
1512 | glyph = (it->glyph_row->glyphs[it->area] | |
1513 | + it->glyph_row->used[it->area]); | |
1514 | end = it->glyph_row->glyphs[1 + it->area]; | |
1515 | ||
177c0ea7 JB |
1516 | for (i = 0; |
1517 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1518 | ++i) |
1519 | { | |
1520 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1521 | glyph->pixel_width = 1; |
d2b4c17d | 1522 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1523 | glyph->face_id = it->face_id; |
1524 | glyph->padding_p = i > 0; | |
a168702a GM |
1525 | glyph->charpos = CHARPOS (it->position); |
1526 | glyph->object = it->object; | |
177c0ea7 | 1527 | |
a168702a GM |
1528 | ++it->glyph_row->used[it->area]; |
1529 | ++glyph; | |
1530 | } | |
1531 | } | |
1532 | ||
1533 | ||
b50fe468 RS |
1534 | /* Produce glyphs for the display element described by IT. *IT |
1535 | specifies what we want to produce a glyph for (character, image, ...), | |
1536 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1537 | produce_glyphs fills in output fields of *IT with information such as the | |
1538 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1539 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1540 | struct display_iterator in dispextern.h for an overview. |
1541 | ||
1542 | produce_glyphs also stores the result of glyph width, ascent | |
1543 | etc. computations in *IT. | |
1544 | ||
1545 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1546 | actually fill in the glyphs. This is used in the move_* functions | |
1547 | in xdisp.c for text width and height computations. | |
1548 | ||
1549 | Callers usually don't call produce_glyphs directly; | |
1550 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1551 | |
177c0ea7 | 1552 | void |
a168702a GM |
1553 | produce_glyphs (it) |
1554 | struct it *it; | |
1555 | { | |
1556 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1557 | |
1558 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1559 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1560 | || it->what == IT_COMPOSITION |
a168702a | 1561 | || it->what == IT_STRETCH); |
177c0ea7 | 1562 | |
6b61353c KH |
1563 | if (it->what == IT_STRETCH) |
1564 | { | |
1565 | produce_stretch_glyph (it); | |
1566 | goto done; | |
1567 | } | |
1568 | ||
4c12d738 KH |
1569 | if (it->what == IT_COMPOSITION) |
1570 | { | |
1571 | produce_composite_glyph (it); | |
1572 | goto done; | |
1573 | } | |
a168702a | 1574 | |
d2b4c17d KH |
1575 | /* Maybe translate single-byte characters to multibyte. */ |
1576 | it->char_to_display = it->c; | |
1577 | ||
a168702a GM |
1578 | if (it->c >= 040 && it->c < 0177) |
1579 | { | |
1580 | it->pixel_width = it->nglyphs = 1; | |
1581 | if (it->glyph_row) | |
1582 | append_glyph (it); | |
1583 | } | |
1584 | else if (it->c == '\n') | |
1585 | it->pixel_width = it->nglyphs = 0; | |
1586 | else if (it->c == '\t') | |
1587 | { | |
2efdbcdd | 1588 | int absolute_x = (it->current_x |
a168702a | 1589 | + it->continuation_lines_width); |
177c0ea7 JB |
1590 | int next_tab_x |
1591 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1592 | / it->tab_width) |
1593 | * it->tab_width); | |
1594 | int nspaces; | |
1595 | ||
1596 | /* If part of the TAB has been displayed on the previous line | |
1597 | which is continued now, continuation_lines_width will have | |
1598 | been incremented already by the part that fitted on the | |
1599 | continued line. So, we will get the right number of spaces | |
1600 | here. */ | |
1601 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1602 | |
a168702a GM |
1603 | if (it->glyph_row) |
1604 | { | |
1605 | int n = nspaces; | |
177c0ea7 | 1606 | |
d2b4c17d | 1607 | it->char_to_display = ' '; |
a168702a | 1608 | it->pixel_width = it->len = 1; |
177c0ea7 | 1609 | |
a168702a GM |
1610 | while (n--) |
1611 | append_glyph (it); | |
a168702a GM |
1612 | } |
1613 | ||
1614 | it->pixel_width = nspaces; | |
1615 | it->nglyphs = nspaces; | |
1616 | } | |
c5a518df | 1617 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1618 | { |
5b203baa KH |
1619 | if (unibyte_display_via_language_environment |
1620 | && (it->c >= 0240)) | |
1621 | { | |
1622 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1623 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1624 | it->nglyphs = it->pixel_width; | |
1625 | if (it->glyph_row) | |
1626 | append_glyph (it); | |
1627 | } | |
1628 | else | |
1629 | { | |
1630 | /* Coming here means that it->c is from display table, thus | |
1631 | we must send the raw 8-bit byte as is to the terminal. | |
1632 | Although there's no way to know how many columns it | |
1633 | occupies on a screen, it is a good assumption that a | |
1634 | single byte code has 1-column width. */ | |
1635 | it->pixel_width = it->nglyphs = 1; | |
1636 | if (it->glyph_row) | |
1637 | append_glyph (it); | |
1638 | } | |
add44890 | 1639 | } |
a168702a GM |
1640 | else |
1641 | { | |
9332ea03 | 1642 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1643 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1644 | |
a168702a GM |
1645 | if (it->glyph_row) |
1646 | append_glyph (it); | |
1647 | } | |
1648 | ||
6b61353c | 1649 | done: |
177c0ea7 | 1650 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1651 | the caller. */ |
1652 | if (it->area == TEXT_AREA) | |
1653 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1654 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1655 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1656 | } |
1657 | ||
1658 | ||
6b61353c KH |
1659 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1660 | of the glyph property displayed. The value must be a list | |
1661 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1662 | being recognized: | |
1663 | ||
1664 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1665 | canonical char width wide. WIDTH may be an integer or floating | |
1666 | point number. | |
1667 | ||
1668 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1669 | to reach HPOS, a value in canonical character units. */ | |
1670 | ||
1671 | static void | |
1672 | produce_stretch_glyph (it) | |
1673 | struct it *it; | |
1674 | { | |
1675 | /* (space :width WIDTH ...) */ | |
1676 | Lisp_Object prop, plist; | |
1677 | int width = 0, align_to = -1; | |
1678 | int zero_width_ok_p = 0; | |
1679 | double tem; | |
1680 | ||
1681 | /* List should start with `space'. */ | |
1682 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1683 | plist = XCDR (it->object); | |
1684 | ||
1685 | /* Compute the width of the stretch. */ | |
1686 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1687 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1688 | { | |
1689 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1690 | zero_width_ok_p = 1; | |
1691 | width = (int)(tem + 0.5); | |
1692 | } | |
1693 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1694 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1695 | { | |
1696 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1697 | align_to = (align_to < 0 |
6b61353c KH |
1698 | ? 0 |
1699 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1700 | else if (align_to < 0) | |
1701 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1702 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1703 | zero_width_ok_p = 1; | |
1704 | } | |
1705 | else | |
1706 | /* Nothing specified -> width defaults to canonical char width. */ | |
1707 | width = FRAME_COLUMN_WIDTH (it->f); | |
1708 | ||
1709 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1710 | width = 1; | |
1711 | ||
1712 | if (width > 0 && it->glyph_row) | |
1713 | { | |
1714 | Lisp_Object o_object = it->object; | |
1715 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1716 | int n = width; | |
6b61353c KH |
1717 | |
1718 | if (!STRINGP (object)) | |
1719 | object = it->w->buffer; | |
1720 | it->object = object; | |
d2b4c17d | 1721 | it->char_to_display = ' '; |
6b61353c KH |
1722 | it->pixel_width = it->len = 1; |
1723 | while (n--) | |
1724 | append_glyph (it); | |
1725 | it->object = o_object; | |
6b61353c KH |
1726 | } |
1727 | it->pixel_width = width; | |
1728 | it->nglyphs = width; | |
1729 | } | |
1730 | ||
1731 | ||
4c12d738 KH |
1732 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1733 | Called from produce_composite_glyph for terminal frames if | |
1734 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1735 | face. */ | |
1736 | ||
1737 | static void | |
1738 | append_composite_glyph (it) | |
1739 | struct it *it; | |
1740 | { | |
1741 | struct glyph *glyph; | |
1742 | ||
1743 | xassert (it->glyph_row); | |
1744 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1745 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1746 | { | |
1747 | glyph->type = COMPOSITE_GLYPH; | |
1748 | glyph->pixel_width = it->pixel_width; | |
1749 | glyph->u.cmp_id = it->cmp_id; | |
1750 | glyph->face_id = it->face_id; | |
1751 | glyph->padding_p = 0; | |
1752 | glyph->charpos = CHARPOS (it->position); | |
1753 | glyph->object = it->object; | |
1754 | ||
1755 | ++it->glyph_row->used[it->area]; | |
1756 | ++glyph; | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | ||
1761 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1762 | the composition. We simply produces components of the composition | |
1763 | assuming that that the terminal has a capability to layout/render | |
1764 | it correctly. */ | |
1765 | ||
1766 | static void | |
1767 | produce_composite_glyph (it) | |
1768 | struct it *it; | |
1769 | { | |
1770 | struct composition *cmp = composition_table[it->cmp_id]; | |
1771 | int c; | |
1772 | ||
1773 | xassert (cmp->glyph_len > 0); | |
1774 | c = COMPOSITION_GLYPH (cmp, 0); | |
1775 | it->pixel_width = CHAR_WIDTH (it->c); | |
1776 | it->nglyphs = 1; | |
1777 | ||
1778 | if (it->glyph_row) | |
1779 | append_composite_glyph (it); | |
1780 | } | |
1781 | ||
1782 | ||
a168702a GM |
1783 | /* Get information about special display element WHAT in an |
1784 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1785 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1786 | non-null glyph_row member. This function ensures that fields like | |
1787 | face_id, c, len of IT are left untouched. */ | |
1788 | ||
1789 | void | |
1790 | produce_special_glyphs (it, what) | |
1791 | struct it *it; | |
1792 | enum display_element_type what; | |
1793 | { | |
1794 | struct it temp_it; | |
f4d953fc | 1795 | Lisp_Object gc; |
072d84a6 | 1796 | GLYPH glyph; |
177c0ea7 | 1797 | |
a168702a GM |
1798 | temp_it = *it; |
1799 | temp_it.dp = NULL; | |
1800 | temp_it.what = IT_CHARACTER; | |
1801 | temp_it.len = 1; | |
7c752c80 | 1802 | temp_it.object = make_number (0); |
a168702a GM |
1803 | bzero (&temp_it.current, sizeof temp_it.current); |
1804 | ||
1805 | if (what == IT_CONTINUATION) | |
1806 | { | |
1807 | /* Continuation glyph. */ | |
f4d953fc | 1808 | SET_GLYPH_FROM_CHAR (glyph, '\\'); |
a168702a | 1809 | if (it->dp |
f4d953fc KS |
1810 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1811 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1812 | { |
f4d953fc KS |
1813 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1814 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1815 | } |
a168702a GM |
1816 | } |
1817 | else if (what == IT_TRUNCATION) | |
1818 | { | |
1819 | /* Truncation glyph. */ | |
f4d953fc | 1820 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1821 | if (it->dp |
f4d953fc KS |
1822 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1823 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1824 | { |
f4d953fc KS |
1825 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1826 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1827 | } |
a168702a GM |
1828 | } |
1829 | else | |
1830 | abort (); | |
072d84a6 | 1831 | |
f4d953fc KS |
1832 | temp_it.c = GLYPH_CHAR (glyph); |
1833 | temp_it.face_id = GLYPH_FACE (glyph); | |
072d84a6 RS |
1834 | temp_it.len = CHAR_BYTES (temp_it.c); |
1835 | ||
1836 | produce_glyphs (&temp_it); | |
1837 | it->pixel_width = temp_it.pixel_width; | |
1838 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1839 | } |
1840 | ||
1841 | ||
a168702a GM |
1842 | \f |
1843 | /*********************************************************************** | |
1844 | Faces | |
1845 | ***********************************************************************/ | |
1846 | ||
4e6ba4a4 GM |
1847 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1848 | one of the enumerators from enum no_color_bit, or a bit set built | |
1849 | from them. Some display attributes may not be used together with | |
1850 | color; the termcap capability `NC' specifies which ones. */ | |
1851 | ||
fca177d4 KL |
1852 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1853 | (tty->TN_max_colors > 0 \ | |
1854 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1855 | : 1) | |
a168702a | 1856 | |
072d84a6 RS |
1857 | /* Turn appearances of face FACE_ID on tty frame F on. |
1858 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1859 | |
1860 | static void | |
1861 | turn_on_face (f, face_id) | |
1862 | struct frame *f; | |
1863 | int face_id; | |
1864 | { | |
1865 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1866 | long fg = face->foreground; |
1867 | long bg = face->background; | |
28d7d09f | 1868 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1869 | |
86a7d192 GM |
1870 | /* Do this first because TS_end_standout_mode may be the same |
1871 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1872 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1873 | { |
fca177d4 | 1874 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1875 | { |
1876 | if (fg >= 0 && bg >= 0) | |
1877 | { | |
1878 | /* If the terminal supports colors, we can set them | |
1879 | below without using reverse video. The face's fg | |
1880 | and bg colors are set as they should appear on | |
1881 | the screen, i.e. they take the inverse-video'ness | |
1882 | of the face already into account. */ | |
1883 | } | |
1884 | else if (inverse_video) | |
1885 | { | |
1886 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1887 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1888 | tty_toggle_highlight (tty); |
86a7d192 GM |
1889 | } |
1890 | else | |
1891 | { | |
1892 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1893 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1894 | tty_toggle_highlight (tty); |
86a7d192 GM |
1895 | } |
1896 | } | |
1897 | else | |
1898 | { | |
1899 | /* If we can't display colors, use reverse video | |
1900 | if the face specifies that. */ | |
37526b42 GM |
1901 | if (inverse_video) |
1902 | { | |
1903 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1904 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1905 | tty_toggle_highlight (tty); |
37526b42 GM |
1906 | } |
1907 | else | |
1908 | { | |
1909 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1910 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1911 | tty_toggle_highlight (tty); |
37526b42 | 1912 | } |
86a7d192 GM |
1913 | } |
1914 | } | |
a168702a GM |
1915 | |
1916 | if (face->tty_bold_p) | |
4e6ba4a4 | 1917 | { |
fca177d4 KL |
1918 | if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1919 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
4e6ba4a4 | 1920 | } |
a168702a | 1921 | else if (face->tty_dim_p) |
fca177d4 KL |
1922 | if (MAY_USE_WITH_COLORS_P (tty, NC_DIM)) |
1923 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1924 | |
1925 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1926 | if (face->tty_alt_charset_p |
fca177d4 KL |
1927 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1928 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1929 | |
4e6ba4a4 | 1930 | if (face->tty_blinking_p |
fca177d4 KL |
1931 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1932 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1933 | |
fca177d4 KL |
1934 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1935 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1936 | |
fca177d4 | 1937 | if (tty->TN_max_colors > 0) |
a168702a | 1938 | { |
753d161b | 1939 | char *ts, *p; |
177c0ea7 | 1940 | |
fbf34973 | 1941 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1942 | if (fg >= 0 && ts) |
a168702a | 1943 | { |
fbf34973 | 1944 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 1945 | OUTPUT (tty, p); |
a168702a GM |
1946 | xfree (p); |
1947 | } | |
1948 | ||
fbf34973 | 1949 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1950 | if (bg >= 0 && ts) |
a168702a | 1951 | { |
fbf34973 | 1952 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 1953 | OUTPUT (tty, p); |
a168702a GM |
1954 | xfree (p); |
1955 | } | |
1956 | } | |
1957 | } | |
177c0ea7 | 1958 | |
a168702a GM |
1959 | |
1960 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1961 | ||
1962 | static void | |
1963 | turn_off_face (f, face_id) | |
1964 | struct frame *f; | |
1965 | int face_id; | |
1966 | { | |
1967 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1968 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
1969 | |
1970 | xassert (face != NULL); | |
1971 | ||
fca177d4 | 1972 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1973 | { |
1974 | /* Capability "me" will turn off appearance modes double-bright, | |
1975 | half-bright, reverse-video, standout, underline. It may or | |
1976 | may not turn off alt-char-mode. */ | |
1977 | if (face->tty_bold_p | |
1978 | || face->tty_dim_p | |
1979 | || face->tty_reverse_p | |
1980 | || face->tty_alt_charset_p | |
1981 | || face->tty_blinking_p | |
1982 | || face->tty_underline_p) | |
65aa5e85 | 1983 | { |
fca177d4 KL |
1984 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
1985 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
1986 | tty->standout_mode = 0; | |
65aa5e85 | 1987 | } |
a168702a GM |
1988 | |
1989 | if (face->tty_alt_charset_p) | |
fca177d4 | 1990 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
1991 | } |
1992 | else | |
1993 | { | |
1994 | /* If we don't have "me" we can only have those appearances | |
1995 | that have exit sequences defined. */ | |
1996 | if (face->tty_alt_charset_p) | |
fca177d4 | 1997 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 1998 | |
54800acb | 1999 | if (face->tty_underline_p) |
fca177d4 | 2000 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2001 | } |
2002 | ||
2003 | /* Switch back to default colors. */ | |
fca177d4 | 2004 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2005 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2006 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2007 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2008 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2009 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2010 | } |
177c0ea7 JB |
2011 | |
2012 | ||
b63a55ac MB |
2013 | /* Return non-zero if the terminal on frame F supports all of the |
2014 | capabilities in CAPS simultaneously, with foreground and background | |
2015 | colors FG and BG. */ | |
2016 | ||
4a8130f2 | 2017 | int |
fca177d4 | 2018 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 2019 | struct tty_display_info *tty; |
b63a55ac MB |
2020 | unsigned caps; |
2021 | unsigned long fg, bg; | |
2022 | { | |
fca177d4 KL |
2023 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2024 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2025 | return 0; |
2026 | ||
fca177d4 KL |
2027 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2028 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2029 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2030 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2031 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2032 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2033 | |
2034 | /* We can do it! */ | |
2035 | return 1; | |
2036 | } | |
2037 | ||
a168702a GM |
2038 | /* Return non-zero if the terminal is capable to display colors. */ |
2039 | ||
2040 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2041 | 0, 1, 0, |
6ed8eeff KL |
2042 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2043 | ||
2044 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
2045 | frame's terminal). This function always returns nil if TERMINAL | |
2046 | is not on a tty device. */) | |
2047 | (terminal) | |
2048 | Lisp_Object terminal; | |
a168702a | 2049 | { |
717a00ef | 2050 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2051 | if (!t) |
428a555e | 2052 | return Qnil; |
3224dac1 | 2053 | else |
6ed8eeff | 2054 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2055 | } |
2056 | ||
bfa62f96 EZ |
2057 | /* Return the number of supported colors. */ |
2058 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2059 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2060 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2061 | ||
2062 | TERMINAL can be a terminal id, a frame or nil (meaning the selected | |
717a00ef | 2063 | frame's terminal). This function always returns 0 if TERMINAL |
6ed8eeff KL |
2064 | is not on a tty device. */) |
2065 | (terminal) | |
2066 | Lisp_Object terminal; | |
bfa62f96 | 2067 | { |
717a00ef | 2068 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2069 | if (!t) |
8c8d5f35 | 2070 | return make_number (0); |
3224dac1 | 2071 | else |
6ed8eeff | 2072 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2073 | } |
2074 | ||
ace28297 | 2075 | #ifndef WINDOWSNT |
a168702a | 2076 | |
5205ee62 GM |
2077 | /* Declare here rather than in the function, as in the rest of Emacs, |
2078 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2079 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2080 | static int default_max_colors; |
2081 | static int default_max_pairs; | |
2082 | static int default_no_color_video; | |
2083 | static char *default_orig_pair; | |
2084 | static char *default_set_foreground; | |
2085 | static char *default_set_background; | |
fcf8ff2e | 2086 | |
ace28297 EZ |
2087 | /* Save or restore the default color-related capabilities of this |
2088 | terminal. */ | |
2089 | static void | |
28d7d09f | 2090 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2091 | { |
ace28297 EZ |
2092 | |
2093 | if (save) | |
2094 | { | |
2095 | if (default_orig_pair) | |
2096 | xfree (default_orig_pair); | |
fca177d4 | 2097 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 EZ |
2098 | |
2099 | if (default_set_foreground) | |
2100 | xfree (default_set_foreground); | |
fca177d4 | 2101 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2102 | : NULL; |
2103 | ||
2104 | if (default_set_background) | |
2105 | xfree (default_set_background); | |
fca177d4 | 2106 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2107 | : NULL; |
2108 | ||
fca177d4 KL |
2109 | default_max_colors = tty->TN_max_colors; |
2110 | default_max_pairs = tty->TN_max_pairs; | |
2111 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2112 | } |
2113 | else | |
2114 | { | |
fca177d4 KL |
2115 | tty->TS_orig_pair = default_orig_pair; |
2116 | tty->TS_set_foreground = default_set_foreground; | |
2117 | tty->TS_set_background = default_set_background; | |
2118 | tty->TN_max_colors = default_max_colors; | |
2119 | tty->TN_max_pairs = default_max_pairs; | |
2120 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2121 | } |
2122 | } | |
2123 | ||
2124 | /* Setup one of the standard tty color schemes according to MODE. | |
2125 | MODE's value is generally the number of colors which we want to | |
2126 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2127 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2128 | static void |
28d7d09f | 2129 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2130 | { |
6b61353c KH |
2131 | /* Canonicalize all negative values of MODE. */ |
2132 | if (mode < -1) | |
2133 | mode = -1; | |
2134 | ||
ace28297 EZ |
2135 | switch (mode) |
2136 | { | |
2137 | case -1: /* no colors at all */ | |
fca177d4 KL |
2138 | tty->TN_max_colors = 0; |
2139 | tty->TN_max_pairs = 0; | |
2140 | tty->TN_no_color_video = 0; | |
2141 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2142 | break; |
2143 | case 0: /* default colors, if any */ | |
2144 | default: | |
fca177d4 | 2145 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2146 | break; |
2147 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2148 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2149 | #ifdef TERMINFO |
fca177d4 KL |
2150 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2151 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2152 | #else |
fca177d4 KL |
2153 | tty->TS_set_foreground = "\033[3%dm"; |
2154 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2155 | #endif |
fca177d4 KL |
2156 | tty->TN_max_colors = 8; |
2157 | tty->TN_max_pairs = 64; | |
2158 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2159 | break; |
2160 | } | |
2161 | } | |
2162 | ||
2163 | void | |
9b2cd403 SM |
2164 | set_tty_color_mode (tty, f) |
2165 | struct tty_display_info *tty; | |
ace28297 | 2166 | struct frame *f; |
ace28297 | 2167 | { |
9b2cd403 SM |
2168 | Lisp_Object tem, val, color_mode_spec; |
2169 | Lisp_Object color_mode; | |
2170 | int mode; | |
ace28297 | 2171 | extern Lisp_Object Qtty_color_mode; |
9b2cd403 SM |
2172 | Lisp_Object tty_color_mode_alist |
2173 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2174 | |
c23b5410 | 2175 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2176 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2177 | |
6b61353c | 2178 | if (INTEGERP (val)) |
ace28297 EZ |
2179 | color_mode = val; |
2180 | else | |
2181 | { | |
9b2cd403 SM |
2182 | tem = (NILP (tty_color_mode_alist) ? Qnil |
2183 | : Fassq (val, XSYMBOL (tty_color_mode_alist)->value)); | |
2184 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; | |
ace28297 | 2185 | } |
6b61353c | 2186 | |
9b2cd403 | 2187 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2188 | |
9b2cd403 | 2189 | if (mode != tty->previous_color_mode) |
ace28297 | 2190 | { |
9b2cd403 SM |
2191 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2192 | tty->previous_color_mode = mode; | |
2193 | tty_setup_colors (tty , mode); | |
2194 | /* This recomputes all the faces given the new color definitions. */ | |
2195 | safe_call (1, &funsym); | |
ace28297 EZ |
2196 | } |
2197 | } | |
2198 | ||
2199 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2200 | |
2201 | \f | |
28d440ab | 2202 | |
6ed8eeff | 2203 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2204 | |
6ed8eeff | 2205 | struct terminal * |
717a00ef | 2206 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2207 | { |
717a00ef | 2208 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2209 | |
6ed8eeff | 2210 | if (t && t->type != output_termcap) |
717a00ef KL |
2211 | { |
2212 | if (throw) | |
2213 | error ("Device %d is not a termcap terminal device", t->id); | |
2214 | else | |
2215 | return NULL; | |
2216 | } | |
b6660415 | 2217 | |
6ed8eeff | 2218 | return t; |
b6660415 KL |
2219 | } |
2220 | ||
ab797f65 KL |
2221 | /* Return an active termcap device that uses the tty device with the |
2222 | given name. | |
b6660415 | 2223 | |
7e59217d | 2224 | This function ignores suspended devices. |
da8e1115 KL |
2225 | |
2226 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2227 | |
6ed8eeff | 2228 | struct terminal * |
7e59217d | 2229 | get_named_tty (name) |
28d440ab KL |
2230 | char *name; |
2231 | { | |
6ed8eeff KL |
2232 | struct terminal *t; |
2233 | ||
ab797f65 KL |
2234 | if (!name) |
2235 | abort (); | |
2236 | ||
2237 | for (t = terminal_list; t; t = t->next_terminal) | |
2238 | { | |
2239 | if (t->type == output_termcap | |
2240 | && !strcmp (t->display_info.tty->name, name) | |
2241 | && TERMINAL_ACTIVE_P (t)) | |
2242 | return t; | |
2243 | } | |
28d440ab KL |
2244 | |
2245 | return 0; | |
2246 | } | |
2247 | ||
2248 | \f | |
6ed8eeff KL |
2249 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2250 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2251 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2252 | |
6ed8eeff KL |
2253 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2254 | frame's terminal). */) | |
2255 | (terminal) | |
2256 | Lisp_Object terminal; | |
b6660415 | 2257 | { |
6ed8eeff | 2258 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2259 | |
6ed8eeff | 2260 | if (t->type != output_termcap) |
ab797f65 KL |
2261 | return Qnil; |
2262 | ||
6ed8eeff KL |
2263 | if (t->display_info.tty->type) |
2264 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2265 | else |
2266 | return Qnil; | |
2267 | } | |
2268 | ||
6ed8eeff KL |
2269 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
2270 | doc: /* Return non-nil if TERMINAL is on the controlling tty of the Emacs process. | |
a3fbb897 | 2271 | |
6ed8eeff KL |
2272 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2273 | frame's terminal). This function always returns nil if TERMINAL | |
2274 | is not on a tty device. */) | |
2275 | (terminal) | |
2276 | Lisp_Object terminal; | |
4a933ef8 | 2277 | { |
6ed8eeff | 2278 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2279 | |
78048085 | 2280 | if (t->type != output_termcap || strcmp (t->display_info.tty->name, DEV_TTY)) |
4a933ef8 KL |
2281 | return Qnil; |
2282 | else | |
2283 | return Qt; | |
2284 | } | |
2285 | ||
a3fbb897 | 2286 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2287 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2288 | This is used to override the terminfo data, for certain terminals that |
2289 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2290 | no effect if used on a non-tty terminal. |
a3fbb897 | 2291 | |
6ed8eeff KL |
2292 | TERMINAL can be a terminal id, a frame or nil (meaning the selected |
2293 | frame's terminal). This function always returns nil if TERMINAL | |
2294 | is not on a tty device. */) | |
2295 | (terminal) | |
2296 | Lisp_Object terminal; | |
a3fbb897 | 2297 | { |
6ed8eeff | 2298 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2299 | |
6ed8eeff KL |
2300 | if (t->type == output_termcap) |
2301 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2302 | return Qnil; |
2303 | } | |
2304 | ||
ed8dad6b KL |
2305 | \f |
2306 | ||
2307 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2308 | doc: /* Suspend the terminal device TTY. | |
2309 | ||
2310 | The device is restored to its default state, and Emacs ceases all | |
2311 | access to the tty device. Frames that use the device are not deleted, | |
2312 | but input is not read from them and if they change, their display is | |
2313 | not updated. | |
2314 | ||
2315 | TTY may be a terminal id, a frame, or nil for the terminal device of | |
2316 | the currently selected frame. | |
2317 | ||
e4019195 | 2318 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2319 | device. The functions are run with one arg, the id of the suspended |
2320 | terminal device. | |
2321 | ||
2322 | `suspend-tty' does nothing if it is called on a device that is already | |
2323 | suspended. | |
2324 | ||
2325 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2326 | (tty) | |
2327 | Lisp_Object tty; | |
2328 | { | |
717a00ef | 2329 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2330 | FILE *f; |
f4d953fc | 2331 | |
6ed8eeff | 2332 | if (!t) |
ed8dad6b KL |
2333 | error ("Unknown tty device"); |
2334 | ||
6ed8eeff | 2335 | f = t->display_info.tty->input; |
f4d953fc | 2336 | |
ed8dad6b KL |
2337 | if (f) |
2338 | { | |
23d4cba5 DN |
2339 | /* First run `suspend-tty-functions' and then clean up the tty |
2340 | state because `suspend-tty-functions' might need to change | |
2341 | the tty state. */ | |
2342 | if (!NILP (Vrun_hooks)) | |
2343 | { | |
2344 | Lisp_Object args[2]; | |
2345 | args[0] = intern ("suspend-tty-functions"); | |
2346 | XSETTERMINAL (args[1], t); | |
2347 | Frun_hook_with_args (2, args); | |
2348 | } | |
2349 | ||
6ed8eeff | 2350 | reset_sys_modes (t->display_info.tty); |
ed8dad6b KL |
2351 | |
2352 | delete_keyboard_wait_descriptor (fileno (f)); | |
f4d953fc | 2353 | |
ed8dad6b | 2354 | fclose (f); |
6ed8eeff KL |
2355 | if (f != t->display_info.tty->output) |
2356 | fclose (t->display_info.tty->output); | |
f4d953fc | 2357 | |
6ed8eeff KL |
2358 | t->display_info.tty->input = 0; |
2359 | t->display_info.tty->output = 0; | |
ed8dad6b | 2360 | |
6ed8eeff KL |
2361 | if (FRAMEP (t->display_info.tty->top_frame)) |
2362 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2363 | |
ed8dad6b KL |
2364 | } |
2365 | ||
4a665758 KL |
2366 | /* Clear display hooks to prevent further output. */ |
2367 | clear_tty_hooks (t); | |
2368 | ||
ed8dad6b KL |
2369 | return Qnil; |
2370 | } | |
2371 | ||
2372 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2373 | doc: /* Resume the previously suspended terminal device TTY. | |
2374 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2375 | suspended terminal are revived. |
ed8dad6b | 2376 | |
6ed8eeff KL |
2377 | It is an error to resume a terminal while another terminal is active |
2378 | on the same device. | |
ed8dad6b | 2379 | |
e4019195 | 2380 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2381 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2382 | device. |
2383 | ||
2384 | `resume-tty' does nothing if it is called on a device that is not | |
2385 | suspended. | |
2386 | ||
6ed8eeff KL |
2387 | TTY may be a terminal id, a frame, or nil for the terminal device of |
2388 | the currently selected frame. */) | |
ed8dad6b KL |
2389 | (tty) |
2390 | Lisp_Object tty; | |
2391 | { | |
717a00ef | 2392 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2393 | int fd; |
2394 | ||
6ed8eeff | 2395 | if (!t) |
ed8dad6b KL |
2396 | error ("Unknown tty device"); |
2397 | ||
6ed8eeff | 2398 | if (!t->display_info.tty->input) |
ed8dad6b | 2399 | { |
6ed8eeff | 2400 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2401 | error ("Cannot resume display while another display is active on the same device"); |
2402 | ||
6ed8eeff | 2403 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2404 | |
59b3194c KL |
2405 | if (fd == -1) |
2406 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2407 | |
78048085 | 2408 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2409 | dissociate_if_controlling_tty (fd); |
78048085 | 2410 | |
6ed8eeff KL |
2411 | t->display_info.tty->output = fdopen (fd, "w+"); |
2412 | t->display_info.tty->input = t->display_info.tty->output; | |
78048085 | 2413 | |
ed8dad6b KL |
2414 | add_keyboard_wait_descriptor (fd); |
2415 | ||
6ed8eeff KL |
2416 | if (FRAMEP (t->display_info.tty->top_frame)) |
2417 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
ed8dad6b | 2418 | |
6ed8eeff | 2419 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2420 | |
e4019195 | 2421 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2422 | if (!NILP (Vrun_hooks)) |
2423 | { | |
2424 | Lisp_Object args[2]; | |
e4019195 | 2425 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2426 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2427 | Frun_hook_with_args (2, args); |
2428 | } | |
2429 | } | |
2430 | ||
4a665758 KL |
2431 | set_tty_hooks (t); |
2432 | ||
ed8dad6b KL |
2433 | return Qnil; |
2434 | } | |
a3fbb897 | 2435 | |
819b8f00 | 2436 | \f |
e882229c NR |
2437 | /*********************************************************************** |
2438 | Mouse | |
2439 | ***********************************************************************/ | |
2440 | ||
7e5a23bd | 2441 | #ifdef HAVE_GPM |
5faa03ba RS |
2442 | void |
2443 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2444 | { |
1ec5dc77 | 2445 | /* TODO: how to set mouse position? |
94da14a0 NR |
2446 | const char *name; |
2447 | int fd; | |
2448 | name = (const char *) ttyname (0); | |
2449 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2450 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2451 | close (fd); |
2452 | last_mouse_x = x; | |
80fb2ce0 | 2453 | last_mouse_y = y; */ |
94da14a0 NR |
2454 | } |
2455 | ||
e882229c NR |
2456 | static void |
2457 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2458 | { | |
6178ce5e | 2459 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2460 | int save_x, save_y; |
1ec5dc77 | 2461 | int i; |
e882229c | 2462 | |
7be1c21a MB |
2463 | struct frame *f = XFRAME (w->frame); |
2464 | struct tty_display_info *tty = FRAME_TTY (f); | |
2465 | ||
e882229c NR |
2466 | if (/* If window is in the process of being destroyed, don't bother |
2467 | to do anything. */ | |
2468 | w->current_matrix != NULL | |
2469 | /* Recognize when we are called to operate on rows that don't exist | |
2470 | anymore. This can happen when a window is split. */ | |
2471 | && mouse_face_end_row < w->current_matrix->nrows) | |
2472 | { | |
2473 | /* write_glyphs writes at cursor position, so we need to | |
2474 | temporarily move cursor coordinates to the beginning of | |
2475 | the highlight region. */ | |
f4d953fc | 2476 | |
e882229c | 2477 | /* Save current cursor co-ordinates */ |
7be1c21a MB |
2478 | save_y = curY (tty); |
2479 | save_x = curX (tty); | |
e882229c NR |
2480 | |
2481 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2482 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2483 | { | |
2484 | int start_hpos, end_hpos, nglyphs; | |
2485 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2486 | ||
2487 | /* Don't do anything if row doesn't have valid contents. */ | |
2488 | if (!row->enabled_p) | |
2489 | continue; | |
2490 | ||
2491 | /* For all but the first row, the highlight starts at column 0. */ | |
2492 | if (i == mouse_face_beg_row) | |
2493 | start_hpos = mouse_face_beg_col; | |
2494 | else | |
2495 | start_hpos = 0; | |
2496 | ||
2497 | if (i == mouse_face_end_row) | |
2498 | end_hpos = mouse_face_end_col; | |
2499 | else | |
2500 | { | |
2501 | end_hpos = row->used[TEXT_AREA]; | |
2502 | if (draw == DRAW_NORMAL_TEXT) | |
2503 | row->fill_line_p = 1; /* Clear to end of line */ | |
2504 | } | |
2505 | ||
2506 | if (end_hpos <= start_hpos) | |
2507 | continue; | |
2508 | /* Record that some glyphs of this row are displayed in | |
2509 | mouse-face. */ | |
2510 | row->mouse_face_p = draw > 0; | |
2511 | ||
2512 | nglyphs = end_hpos - start_hpos; | |
2513 | ||
2514 | if (end_hpos >= row->used[TEXT_AREA]) | |
2515 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2516 | ||
2517 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2518 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2519 | + WINDOW_LEFT_EDGE_X (w); | |
f4d953fc | 2520 | |
7be1c21a | 2521 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2522 | |
2523 | if (draw == DRAW_MOUSE_FACE) | |
2524 | { | |
7be1c21a | 2525 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2526 | nglyphs, mouse_face_face_id); |
2527 | } | |
2528 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2529 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2530 | } |
7be1c21a | 2531 | cursor_to (f, save_y, save_x); |
e882229c NR |
2532 | } |
2533 | } | |
2534 | ||
2535 | static void | |
2536 | term_clear_mouse_face () | |
2537 | { | |
6178ce5e | 2538 | if (!NILP (mouse_face_window)) |
e882229c NR |
2539 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2540 | ||
2541 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2542 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2543 | mouse_face_window = Qnil; |
e882229c NR |
2544 | } |
2545 | ||
2546 | /* Find the glyph matrix position of buffer position POS in window W. | |
2547 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2548 | must be up to date. If POS is above window start return (0, 0). | |
2549 | If POS is after end of W, return end of last line in W. | |
2550 | - taken from msdos.c */ | |
2551 | static int | |
2552 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2553 | { | |
2554 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2555 | int yb = window_text_bottom_y (w); | |
2556 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2557 | ||
2558 | while (row->y < yb) | |
2559 | { | |
2560 | if (row->used[TEXT_AREA]) | |
2561 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2562 | else | |
2563 | line_start_position = 0; | |
2564 | ||
2565 | if (line_start_position > pos) | |
2566 | break; | |
2567 | /* If the position sought is the end of the buffer, | |
2568 | don't include the blank lines at the bottom of the window. */ | |
2569 | else if (line_start_position == pos | |
2570 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2571 | { | |
2572 | maybe_next_line_p = 1; | |
2573 | break; | |
2574 | } | |
2575 | else if (line_start_position > 0) | |
2576 | best_row = row; | |
2577 | ||
2578 | /* Don't overstep the last matrix row, lest we get into the | |
2579 | never-never land... */ | |
2580 | if (row->y + 1 >= yb) | |
2581 | break; | |
2582 | ||
2583 | ++row; | |
2584 | } | |
2585 | ||
2586 | /* Find the right column within BEST_ROW. */ | |
2587 | lastcol = 0; | |
2588 | row = best_row; | |
2589 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2590 | { | |
2591 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2592 | int charpos; | |
2593 | ||
2594 | charpos = glyph->charpos; | |
2595 | if (charpos == pos) | |
2596 | { | |
2597 | *hpos = i; | |
2598 | *vpos = row->y; | |
2599 | return 1; | |
2600 | } | |
2601 | else if (charpos > pos) | |
2602 | break; | |
2603 | else if (charpos > 0) | |
2604 | lastcol = i; | |
2605 | } | |
2606 | ||
2607 | /* If we're looking for the end of the buffer, | |
2608 | and we didn't find it in the line we scanned, | |
2609 | use the start of the following line. */ | |
2610 | if (maybe_next_line_p) | |
2611 | { | |
2612 | ++row; | |
2613 | lastcol = 0; | |
2614 | } | |
2615 | ||
2616 | *vpos = row->y; | |
2617 | *hpos = lastcol + 1; | |
2618 | return 0; | |
2619 | } | |
2620 | ||
2621 | static void | |
2622 | term_mouse_highlight (struct frame *f, int x, int y) | |
2623 | { | |
2624 | enum window_part part; | |
2625 | Lisp_Object window; | |
2626 | struct window *w; | |
2627 | struct buffer *b; | |
2628 | ||
2629 | if (NILP (Vmouse_highlight) | |
2630 | || !f->glyphs_initialized_p) | |
2631 | return; | |
2632 | ||
e882229c NR |
2633 | /* Which window is that in? */ |
2634 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2635 | ||
2636 | /* Not on a window -> return. */ | |
2637 | if (!WINDOWP (window)) | |
2638 | return; | |
2639 | ||
6178ce5e | 2640 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2641 | term_clear_mouse_face (); |
2642 | ||
2643 | w = XWINDOW (window); | |
2644 | ||
2645 | /* Are we in a window whose display is up to date? | |
2646 | And verify the buffer's text has not changed. */ | |
2647 | b = XBUFFER (w->buffer); | |
2648 | if (part == ON_TEXT | |
2649 | && EQ (w->window_end_valid, w->buffer) | |
2650 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2651 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2652 | { | |
2653 | int pos, i, nrows = w->current_matrix->nrows; | |
2654 | struct glyph_row *row; | |
2655 | struct glyph *glyph; | |
2656 | ||
2657 | /* Find the glyph under X/Y. */ | |
2658 | glyph = NULL; | |
2659 | if (y >= 0 && y < nrows) | |
2660 | { | |
2661 | row = MATRIX_ROW (w->current_matrix, y); | |
2662 | /* Give up if some row before the one we are looking for is | |
2663 | not enabled. */ | |
2664 | for (i = 0; i <= y; i++) | |
2665 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2666 | break; | |
2667 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2668 | && row->displays_text_p | |
2669 | && x < window_box_width (w, TEXT_AREA)) | |
2670 | { | |
2671 | glyph = row->glyphs[TEXT_AREA]; | |
2672 | if (x >= row->used[TEXT_AREA]) | |
2673 | glyph = NULL; | |
2674 | else | |
2675 | { | |
2676 | glyph += x; | |
2677 | if (!BUFFERP (glyph->object)) | |
2678 | glyph = NULL; | |
2679 | } | |
2680 | } | |
2681 | } | |
2682 | ||
2683 | /* Clear mouse face if X/Y not over text. */ | |
2684 | if (glyph == NULL) | |
2685 | { | |
2686 | term_clear_mouse_face (); | |
2687 | return; | |
2688 | } | |
2689 | ||
2690 | if (!BUFFERP (glyph->object)) | |
2691 | abort (); | |
2692 | pos = glyph->charpos; | |
2693 | ||
2694 | /* Check for mouse-face. */ | |
2695 | { | |
2696 | extern Lisp_Object Qmouse_face; | |
2697 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
3b8c0c70 | 2698 | int noverlays, obegv, ozv; |
e882229c NR |
2699 | struct buffer *obuf; |
2700 | ||
2701 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2702 | if (pos > BUF_Z (b)) | |
2703 | return; | |
2704 | ||
2705 | /* Make the window's buffer temporarily current for | |
2706 | overlays_at and compute_char_face. */ | |
2707 | obuf = current_buffer; | |
2708 | current_buffer = b; | |
2709 | obegv = BEGV; | |
2710 | ozv = ZV; | |
2711 | BEGV = BEG; | |
2712 | ZV = Z; | |
2713 | ||
2714 | /* Is this char mouse-active? */ | |
2715 | XSETINT (position, pos); | |
2716 | ||
2717 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2718 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2719 | /* Sort overlays into increasing priority order. */ | |
2720 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2721 | ||
2722 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2723 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2724 | && y >= mouse_face_beg_row |
2725 | && y <= mouse_face_end_row | |
2726 | && (y > mouse_face_beg_row | |
2727 | || x >= mouse_face_beg_col) | |
2728 | && (y < mouse_face_end_row | |
2729 | || x < mouse_face_end_col | |
2730 | || mouse_face_past_end))) | |
2731 | { | |
2732 | /* Clear the display of the old active region, if any. */ | |
2733 | term_clear_mouse_face (); | |
2734 | ||
2735 | /* Find the highest priority overlay that has a mouse-face | |
2736 | property. */ | |
2737 | overlay = Qnil; | |
2738 | for (i = noverlays - 1; i >= 0; --i) | |
2739 | { | |
2740 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2741 | if (!NILP (mouse_face)) | |
2742 | { | |
2743 | overlay = overlay_vec[i]; | |
2744 | break; | |
2745 | } | |
2746 | } | |
2747 | ||
2748 | /* If no overlay applies, get a text property. */ | |
2749 | if (NILP (overlay)) | |
2750 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2751 | w->buffer); | |
2752 | ||
2753 | /* Handle the overlay case. */ | |
2754 | if (!NILP (overlay)) | |
2755 | { | |
2756 | /* Find the range of text around this char that | |
2757 | should be active. */ | |
2758 | Lisp_Object before, after; | |
0f8b27ea | 2759 | EMACS_INT ignore; |
e882229c NR |
2760 | |
2761 | ||
2762 | before = Foverlay_start (overlay); | |
2763 | after = Foverlay_end (overlay); | |
2764 | /* Record this as the current active region. */ | |
2765 | fast_find_position (w, XFASTINT (before), | |
2766 | &mouse_face_beg_col, | |
2767 | &mouse_face_beg_row); | |
2768 | ||
2769 | mouse_face_past_end | |
2770 | = !fast_find_position (w, XFASTINT (after), | |
2771 | &mouse_face_end_col, | |
2772 | &mouse_face_end_row); | |
6178ce5e | 2773 | mouse_face_window = window; |
e882229c NR |
2774 | |
2775 | mouse_face_face_id | |
2776 | = face_at_buffer_position (w, pos, 0, 0, | |
2777 | &ignore, pos + 1, 1); | |
2778 | ||
2779 | /* Display it as active. */ | |
2780 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2781 | } | |
2782 | /* Handle the text property case. */ | |
2783 | else if (!NILP (mouse_face)) | |
2784 | { | |
2785 | /* Find the range of text around this char that | |
2786 | should be active. */ | |
2787 | Lisp_Object before, after, beginning, end; | |
0f8b27ea | 2788 | EMACS_INT ignore; |
e882229c NR |
2789 | |
2790 | beginning = Fmarker_position (w->start); | |
2791 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2792 | before | |
2793 | = Fprevious_single_property_change (make_number (pos + 1), | |
2794 | Qmouse_face, | |
2795 | w->buffer, beginning); | |
2796 | after | |
2797 | = Fnext_single_property_change (position, Qmouse_face, | |
2798 | w->buffer, end); | |
2799 | ||
2800 | /* Record this as the current active region. */ | |
2801 | fast_find_position (w, XFASTINT (before), | |
2802 | &mouse_face_beg_col, | |
2803 | &mouse_face_beg_row); | |
2804 | mouse_face_past_end | |
2805 | = !fast_find_position (w, XFASTINT (after), | |
2806 | &mouse_face_end_col, | |
2807 | &mouse_face_end_row); | |
6178ce5e | 2808 | mouse_face_window = window; |
e882229c NR |
2809 | |
2810 | mouse_face_face_id | |
2811 | = face_at_buffer_position (w, pos, 0, 0, | |
2812 | &ignore, pos + 1, 1); | |
2813 | ||
2814 | /* Display it as active. */ | |
2815 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2816 | } | |
2817 | } | |
2818 | ||
2819 | /* Look for a `help-echo' property. */ | |
2820 | { | |
2821 | Lisp_Object help; | |
2822 | extern Lisp_Object Qhelp_echo; | |
2823 | ||
2824 | /* Check overlays first. */ | |
2825 | help = Qnil; | |
2826 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2827 | { | |
2828 | overlay = overlay_vec[i]; | |
2829 | help = Foverlay_get (overlay, Qhelp_echo); | |
2830 | } | |
2831 | ||
2832 | if (!NILP (help)) | |
2833 | { | |
2834 | help_echo_string = help; | |
2835 | help_echo_window = window; | |
2836 | help_echo_object = overlay; | |
2837 | help_echo_pos = pos; | |
2838 | } | |
2839 | /* Try text properties. */ | |
2840 | else if (NILP (help) | |
2841 | && ((STRINGP (glyph->object) | |
2842 | && glyph->charpos >= 0 | |
2843 | && glyph->charpos < SCHARS (glyph->object)) | |
2844 | || (BUFFERP (glyph->object) | |
2845 | && glyph->charpos >= BEGV | |
2846 | && glyph->charpos < ZV))) | |
2847 | { | |
2848 | help = Fget_text_property (make_number (glyph->charpos), | |
2849 | Qhelp_echo, glyph->object); | |
2850 | if (!NILP (help)) | |
2851 | { | |
2852 | help_echo_string = help; | |
2853 | help_echo_window = window; | |
2854 | help_echo_object = glyph->object; | |
2855 | help_echo_pos = glyph->charpos; | |
2856 | } | |
2857 | } | |
2858 | } | |
2859 | ||
2860 | BEGV = obegv; | |
2861 | ZV = ozv; | |
2862 | current_buffer = obuf; | |
2863 | } | |
2864 | } | |
2865 | } | |
2866 | ||
2867 | static int | |
2868 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2869 | { | |
2870 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2871 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2872 | { | |
2873 | frame->mouse_moved = 1; | |
80fb2ce0 | 2874 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2875 | /* Remember which glyph we're now on. */ |
2876 | last_mouse_x = event->x; | |
2877 | last_mouse_y = event->y; | |
2878 | return 1; | |
2879 | } | |
2880 | return 0; | |
2881 | } | |
2882 | ||
2883 | /* Return the current position of the mouse. | |
2884 | ||
2885 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2886 | Emacs frame. If it is set to zero, all the other arguments are | |
2887 | garbage. | |
2888 | ||
2889 | Set *bar_window to Qnil, and *x and *y to the column and | |
2890 | row of the character cell the mouse is over. | |
2891 | ||
2892 | Set *time to the time the mouse was at the returned position. | |
2893 | ||
80fb2ce0 | 2894 | This clears mouse_moved until the next motion |
94da14a0 | 2895 | event arrives. */ |
e882229c NR |
2896 | static void |
2897 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2898 | enum scroll_bar_part *part, Lisp_Object *x, | |
2899 | Lisp_Object *y, unsigned long *time) | |
2900 | { | |
e882229c | 2901 | struct timeval now; |
e882229c NR |
2902 | |
2903 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2904 | (*fp)->mouse_moved = 0; |
e882229c NR |
2905 | |
2906 | *bar_window = Qnil; | |
2907 | *part = 0; | |
2908 | ||
80fb2ce0 | 2909 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2910 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2911 | gettimeofday(&now, 0); |
2912 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2913 | } |
2914 | ||
2915 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2916 | ||
2917 | If the event is a button press, then note that we have grabbed | |
2918 | the mouse. */ | |
2919 | ||
2920 | static Lisp_Object | |
2921 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2922 | struct frame *f) | |
2923 | { | |
2924 | struct timeval now; | |
2925 | int i, j; | |
2926 | ||
2927 | result->kind = GPM_CLICK_EVENT; | |
2928 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2929 | { | |
2930 | if (event->buttons & j) { | |
2931 | result->code = i; /* button number */ | |
2932 | break; | |
2933 | } | |
2934 | } | |
2935 | gettimeofday(&now, 0); | |
2936 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2937 | ||
2938 | if (event->type & GPM_UP) | |
2939 | result->modifiers = up_modifier; | |
2940 | else if (event->type & GPM_DOWN) | |
2941 | result->modifiers = down_modifier; | |
2942 | else | |
2943 | result->modifiers = 0; | |
f4d953fc | 2944 | |
e882229c NR |
2945 | if (event->type & GPM_SINGLE) |
2946 | result->modifiers |= click_modifier; | |
f4d953fc | 2947 | |
e882229c NR |
2948 | if (event->type & GPM_DOUBLE) |
2949 | result->modifiers |= double_modifier; | |
2950 | ||
2951 | if (event->type & GPM_TRIPLE) | |
2952 | result->modifiers |= triple_modifier; | |
2953 | ||
2954 | if (event->type & GPM_DRAG) | |
2955 | result->modifiers |= drag_modifier; | |
2956 | ||
80fb2ce0 | 2957 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2958 | |
2959 | /* 1 << KG_SHIFT */ | |
2960 | if (event->modifiers & (1 << 0)) | |
2961 | result->modifiers |= shift_modifier; | |
2962 | ||
2963 | /* 1 << KG_CTRL */ | |
2964 | if (event->modifiers & (1 << 2)) | |
2965 | result->modifiers |= ctrl_modifier; | |
2966 | ||
2967 | /* 1 << KG_ALT || KG_ALTGR */ | |
2968 | if (event->modifiers & (1 << 3) | |
2969 | || event->modifiers & (1 << 1)) | |
2970 | result->modifiers |= meta_modifier; | |
2971 | } | |
2972 | ||
80fb2ce0 NR |
2973 | XSETINT (result->x, event->x); |
2974 | XSETINT (result->y, event->y); | |
e882229c NR |
2975 | XSETFRAME (result->frame_or_window, f); |
2976 | result->arg = Qnil; | |
2977 | return Qnil; | |
2978 | } | |
2979 | ||
f4d953fc | 2980 | int |
7be1c21a | 2981 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2982 | { |
7be1c21a | 2983 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
2984 | struct input_event ie; |
2985 | int do_help = 0; | |
2986 | int count = 0; | |
2987 | ||
2988 | EVENT_INIT (ie); | |
2989 | ie.kind = NO_EVENT; | |
2990 | ie.arg = Qnil; | |
2991 | ||
80fb2ce0 | 2992 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2993 | previous_help_echo_string = help_echo_string; |
2994 | help_echo_string = Qnil; | |
2995 | ||
6178ce5e | 2996 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2997 | |
80fb2ce0 NR |
2998 | if (!term_mouse_movement (f, event)) |
2999 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
3000 | |
3001 | /* If the contents of the global variable help_echo_string | |
3002 | has changed, generate a HELP_EVENT. */ | |
3003 | if (!NILP (help_echo_string) | |
3004 | || !NILP (previous_help_echo_string)) | |
3005 | do_help = 1; | |
3006 | ||
3007 | goto done; | |
3008 | } | |
3009 | else { | |
3010 | f->mouse_moved = 0; | |
3011 | term_mouse_click (&ie, event, f); | |
e882229c NR |
3012 | } |
3013 | ||
3014 | done: | |
3015 | if (ie.kind != NO_EVENT) | |
3016 | { | |
3017 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
3018 | count++; | |
3019 | } | |
3020 | ||
3021 | if (do_help | |
3022 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
3023 | { | |
3024 | Lisp_Object frame; | |
3025 | ||
3026 | if (f) | |
3027 | XSETFRAME (frame, f); | |
3028 | else | |
3029 | frame = Qnil; | |
3030 | ||
3031 | gen_help_event (help_echo_string, frame, help_echo_window, | |
3032 | help_echo_object, help_echo_pos); | |
3033 | count++; | |
3034 | } | |
3035 | ||
3036 | return count; | |
3037 | } | |
3038 | ||
6178ce5e | 3039 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 3040 | 0, 0, 0, |
71f44e7a | 3041 | doc: /* Open a connection to Gpm. |
6178ce5e | 3042 | Gpm-mouse can only be activated for one tty at a time. */) |
e882229c NR |
3043 | () |
3044 | { | |
71f44e7a SM |
3045 | struct frame *f = SELECTED_FRAME (); |
3046 | struct tty_display_info *tty | |
3047 | = ((f)->output_method == output_termcap | |
3048 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
3049 | Gpm_Connect connection; |
3050 | ||
6178ce5e SM |
3051 | if (!tty) |
3052 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
3053 | if (gpm_tty == tty) |
3054 | return Qnil; /* Already activated, nothing to do. */ | |
3055 | if (gpm_tty) | |
3056 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 3057 | |
e882229c NR |
3058 | connection.eventMask = ~0; |
3059 | connection.defaultMask = ~GPM_HARD; | |
3060 | connection.maxMod = ~0; | |
3061 | connection.minMod = 0; | |
80fb2ce0 | 3062 | gpm_zerobased = 1; |
e882229c NR |
3063 | |
3064 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 3065 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
3066 | else |
3067 | { | |
71f44e7a | 3068 | gpm_tty = tty; |
1023cbed SM |
3069 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
3070 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
3071 | before calling init_sys_modes. */ | |
7be1c21a MB |
3072 | reset_sys_modes (tty); |
3073 | init_sys_modes (tty); | |
e882229c | 3074 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 3075 | return Qnil; |
e882229c NR |
3076 | } |
3077 | } | |
3078 | ||
6178ce5e | 3079 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
3080 | 0, 0, 0, |
3081 | doc: /* Close a connection to Gpm. */) | |
3082 | () | |
3083 | { | |
4ce5ab77 SM |
3084 | struct frame *f = SELECTED_FRAME (); |
3085 | struct tty_display_info *tty | |
3086 | = ((f)->output_method == output_termcap | |
3087 | ? (f)->terminal->display_info.tty : NULL); | |
3088 | ||
3089 | if (!tty || gpm_tty != tty) | |
3090 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 3091 | |
6178ce5e SM |
3092 | if (gpm_fd >= 0) |
3093 | delete_gpm_wait_descriptor (gpm_fd); | |
3094 | while (Gpm_Close()); /* close all the stack */ | |
3095 | gpm_tty = NULL; | |
3096 | return Qnil; | |
e882229c | 3097 | } |
7e5a23bd | 3098 | #endif /* HAVE_GPM */ |
e882229c NR |
3099 | |
3100 | \f | |
a168702a GM |
3101 | /*********************************************************************** |
3102 | Initialization | |
3103 | ***********************************************************************/ | |
3104 | ||
ed8dad6b KL |
3105 | /* Initialize the tty-dependent part of frame F. The frame must |
3106 | already have its device initialized. */ | |
3224dac1 | 3107 | |
dfcf069d | 3108 | void |
ed8dad6b | 3109 | create_tty_output (struct frame *f) |
28d440ab | 3110 | { |
ed8dad6b KL |
3111 | struct tty_output *t; |
3112 | ||
3113 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3114 | abort (); |
3115 | ||
ed8dad6b KL |
3116 | t = xmalloc (sizeof (struct tty_output)); |
3117 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 3118 | |
6ed8eeff | 3119 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3120 | |
ed8dad6b | 3121 | f->output_data.tty = t; |
3224dac1 KL |
3122 | } |
3123 | ||
ed8dad6b | 3124 | /* Delete the tty-dependent part of frame F. */ |
da8e1115 | 3125 | |
ed8dad6b KL |
3126 | static void |
3127 | delete_tty_output (struct frame *f) | |
3224dac1 | 3128 | { |
ed8dad6b | 3129 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3130 | abort (); |
3131 | ||
ed8dad6b | 3132 | xfree (f->output_data.tty); |
28d440ab KL |
3133 | } |
3134 | ||
ed8dad6b | 3135 | \f |
47cc8819 | 3136 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3137 | |
4a665758 KL |
3138 | static void |
3139 | clear_tty_hooks (struct terminal *terminal) | |
3140 | { | |
3141 | terminal->rif = 0; | |
3142 | terminal->cursor_to_hook = 0; | |
3143 | terminal->raw_cursor_to_hook = 0; | |
3144 | terminal->clear_to_end_hook = 0; | |
3145 | terminal->clear_frame_hook = 0; | |
3146 | terminal->clear_end_of_line_hook = 0; | |
3147 | terminal->ins_del_lines_hook = 0; | |
3148 | terminal->insert_glyphs_hook = 0; | |
3149 | terminal->write_glyphs_hook = 0; | |
3150 | terminal->delete_glyphs_hook = 0; | |
3151 | terminal->ring_bell_hook = 0; | |
3152 | terminal->reset_terminal_modes_hook = 0; | |
3153 | terminal->set_terminal_modes_hook = 0; | |
3154 | terminal->update_begin_hook = 0; | |
3155 | terminal->update_end_hook = 0; | |
3156 | terminal->set_terminal_window_hook = 0; | |
3157 | terminal->mouse_position_hook = 0; | |
3158 | terminal->frame_rehighlight_hook = 0; | |
3159 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3160 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3161 | terminal->set_vertical_scroll_bar_hook = 0; |
3162 | terminal->condemn_scroll_bars_hook = 0; | |
3163 | terminal->redeem_scroll_bar_hook = 0; | |
3164 | terminal->judge_scroll_bars_hook = 0; | |
3165 | terminal->read_socket_hook = 0; | |
3166 | terminal->frame_up_to_date_hook = 0; | |
3167 | ||
3168 | /* Leave these two set, or suspended frames are not deleted | |
3169 | correctly. */ | |
3170 | terminal->delete_frame_hook = &delete_tty_output; | |
3171 | terminal->delete_terminal_hook = &delete_tty; | |
3172 | } | |
3173 | ||
47cc8819 DN |
3174 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3175 | ||
4a665758 KL |
3176 | static void |
3177 | set_tty_hooks (struct terminal *terminal) | |
3178 | { | |
3179 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3180 | ||
3181 | terminal->cursor_to_hook = &tty_cursor_to; | |
3182 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3183 | ||
3184 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3185 | terminal->clear_frame_hook = &tty_clear_frame; | |
3186 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3187 | ||
3188 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3189 | ||
3190 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3191 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3192 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3193 | ||
3194 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3195 | |
4a665758 KL |
3196 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3197 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3198 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3199 | terminal->update_end_hook = &tty_update_end; | |
3200 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3201 | ||
3202 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3203 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3204 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3205 | ||
3206 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3207 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3208 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3209 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3210 | ||
3211 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3212 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3213 | |
4a665758 KL |
3214 | terminal->delete_frame_hook = &delete_tty_output; |
3215 | terminal->delete_terminal_hook = &delete_tty; | |
3216 | } | |
3217 | ||
03a1d6bd | 3218 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3219 | static void |
03a1d6bd KL |
3220 | dissociate_if_controlling_tty (int fd) |
3221 | { | |
5d333979 | 3222 | #ifndef WINDOWSNT |
03a1d6bd | 3223 | int pgid; |
8516815b | 3224 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3225 | if (pgid != -1) |
3226 | { | |
8516815b | 3227 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
3228 | setpgrp (); |
3229 | no_controlling_tty = 1; | |
de52dcbb DN |
3230 | #elif defined (CYGWIN) |
3231 | setsid (); | |
3232 | no_controlling_tty = 1; | |
03a1d6bd KL |
3233 | #else |
3234 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3235 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3236 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3237 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3238 | { | |
3239 | no_controlling_tty = 1; | |
3240 | } | |
3241 | if (fd != -1) | |
3242 | emacs_close (fd); | |
3243 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3244 | #else |
8516815b KL |
3245 | /* Unknown system. */ |
3246 | croak (); | |
03a1d6bd KL |
3247 | #endif /* ! TIOCNOTTY */ |
3248 | #endif /* ! USG */ | |
71a96040 | 3249 | } |
78048085 | 3250 | #endif /* !WINDOWSNT */ |
03a1d6bd KL |
3251 | } |
3252 | ||
520c4dfd KL |
3253 | static void maybe_fatal(); |
3254 | ||
3224dac1 KL |
3255 | /* Create a termcap display on the tty device with the given name and |
3256 | type. | |
3257 | ||
ab797f65 | 3258 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3259 | Otherwise NAME should be a path to the tty device file, |
3260 | e.g. "/dev/pts/7". | |
28d440ab | 3261 | |
3224dac1 KL |
3262 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3263 | ||
3264 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3265 | |
6ed8eeff | 3266 | struct terminal * |
a4c6993d | 3267 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3268 | { |
59b3194c | 3269 | char *area = NULL; |
08a24c47 | 3270 | char **address = &area; |
6b61353c KH |
3271 | char *buffer = NULL; |
3272 | int buffer_size = 4096; | |
59b3194c | 3273 | register char *p = NULL; |
08a24c47 | 3274 | int status; |
59b3194c KL |
3275 | struct tty_display_info *tty = NULL; |
3276 | struct terminal *terminal = NULL; | |
3277 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3278 | |
3224dac1 KL |
3279 | if (!terminal_type) |
3280 | maybe_fatal (must_succeed, 0, 0, | |
3281 | "Unknown terminal type", | |
3282 | "Unknown terminal type"); | |
b6660415 | 3283 | |
ab797f65 | 3284 | if (name == NULL) |
78048085 EZ |
3285 | name = DEV_TTY; |
3286 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3287 | ctty = 1; |
3288 | ||
6ed8eeff KL |
3289 | /* If we already have a terminal on the given device, use that. If |
3290 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3291 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3292 | always create a new terminal and separating terminal and frame |
b6660415 | 3293 | creation on Lisp level. */ |
6ed8eeff KL |
3294 | terminal = get_named_tty (name); |
3295 | if (terminal) | |
3296 | return terminal; | |
78048085 | 3297 | |
6ed8eeff | 3298 | terminal = create_terminal (); |
3224dac1 KL |
3299 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
3300 | bzero (tty, sizeof (struct tty_display_info)); | |
3301 | tty->next = tty_list; | |
3302 | tty_list = tty; | |
428a555e | 3303 | |
6ed8eeff KL |
3304 | terminal->type = output_termcap; |
3305 | terminal->display_info.tty = tty; | |
3306 | tty->terminal = terminal; | |
28d440ab | 3307 | |
7b00d185 KL |
3308 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3309 | Wcm_clear (tty); | |
daf01701 | 3310 | |
55d5acfa | 3311 | #ifndef WINDOWSNT |
4a665758 | 3312 | set_tty_hooks (terminal); |
78048085 | 3313 | |
59b3194c KL |
3314 | { |
3315 | int fd; | |
3316 | FILE *file; | |
0c72d684 KL |
3317 | |
3318 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3319 | if (!ctty) |
0c72d684 KL |
3320 | /* Open the terminal device. Don't recognize it as our |
3321 | controlling terminal, and don't make it the controlling tty | |
3322 | if we don't have one at the moment. */ | |
3323 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3324 | else |
0c72d684 | 3325 | #else |
2666355c | 3326 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3327 | defined on Hurd. On other systems, we need to explicitly |
3328 | dissociate ourselves from the controlling tty when we want to | |
3329 | open a frame on the same terminal. */ | |
0c72d684 | 3330 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3331 | #endif /* O_IGNORE_CTTY */ |
3332 | ||
59b3194c KL |
3333 | if (fd < 0) |
3334 | maybe_fatal (must_succeed, buffer, terminal, | |
3335 | "Could not open file: %s", | |
3336 | "Could not open file: %s", | |
3337 | name); | |
3338 | if (!isatty (fd)) | |
3339 | { | |
3340 | close (fd); | |
3341 | maybe_fatal (must_succeed, buffer, terminal, | |
3342 | "Not a tty device: %s", | |
3343 | "Not a tty device: %s", | |
3344 | name); | |
3345 | } | |
0c72d684 | 3346 | |
59b3194c KL |
3347 | #ifndef O_IGNORE_CTTY |
3348 | if (!ctty) | |
03a1d6bd | 3349 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3350 | #endif |
3351 | ||
3352 | file = fdopen (fd, "w+"); | |
3353 | tty->name = xstrdup (name); | |
3354 | terminal->name = xstrdup (name); | |
3355 | tty->input = file; | |
3356 | tty->output = file; | |
3357 | } | |
78048085 | 3358 | |
28d7d09f | 3359 | tty->type = xstrdup (terminal_type); |
28d440ab | 3360 | |
819b8f00 | 3361 | add_keyboard_wait_descriptor (fileno (tty->input)); |
daf01701 | 3362 | |
55d5acfa | 3363 | #endif |
08a24c47 | 3364 | |
288d5132 KH |
3365 | encode_terminal_src_size = 0; |
3366 | encode_terminal_dst_size = 0; | |
af645abf | 3367 | |
7e5a23bd | 3368 | #ifdef HAVE_GPM |
88acaaf2 | 3369 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3370 | mouse_face_window = Qnil; |
e882229c NR |
3371 | #endif |
3372 | ||
cb28b9c2 | 3373 | #ifdef WINDOWSNT |
953bf0dc | 3374 | initialize_w32_display (terminal); |
a0236551 JR |
3375 | /* The following two are inaccessible from w32console.c. */ |
3376 | terminal->delete_frame_hook = &delete_tty_output; | |
3377 | terminal->delete_terminal_hook = &delete_tty; | |
cb28b9c2 | 3378 | |
78048085 EZ |
3379 | tty->name = xstrdup (name); |
3380 | terminal->name = xstrdup (name); | |
3381 | tty->type = xstrdup (terminal_type); | |
cb28b9c2 | 3382 | |
55d5acfa | 3383 | tty->output = stdout; |
a0236551 JR |
3384 | tty->input = stdin; |
3385 | add_keyboard_wait_descriptor (0); | |
cb28b9c2 | 3386 | |
a0236551 | 3387 | Wcm_clear (tty); |
cb28b9c2 | 3388 | |
5d333979 JR |
3389 | { |
3390 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3391 | |
a0236551 JR |
3392 | FrameRows (tty) = FRAME_LINES (f); |
3393 | FrameCols (tty) = FRAME_COLS (f); | |
3394 | tty->specified_window = FRAME_LINES (f); | |
cb28b9c2 | 3395 | |
a0236551 JR |
3396 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3397 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 JR |
3398 | } |
3399 | tty->delete_in_insert_mode = 1; | |
cb28b9c2 | 3400 | |
daf01701 | 3401 | UseTabs (tty) = 0; |
6ed8eeff | 3402 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3403 | |
7e59217d | 3404 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3405 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3406 | don't think we're losing anything by turning it off. */ |
6ed8eeff KL |
3407 | terminal->line_ins_del_ok = 0; |
3408 | terminal->char_ins_del_ok = 1; | |
cb28b9c2 RS |
3409 | |
3410 | baud_rate = 19200; | |
3411 | ||
5d333979 | 3412 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3413 | |
eccec691 | 3414 | #else /* not WINDOWSNT */ |
cb28b9c2 | 3415 | |
6548cf00 | 3416 | Wcm_clear (tty); |
08a24c47 | 3417 | |
6b61353c | 3418 | buffer = (char *) xmalloc (buffer_size); |
78048085 | 3419 | |
03a1d6bd KL |
3420 | /* On some systems, tgetent tries to access the controlling |
3421 | terminal. */ | |
3422 | sigblock (sigmask (SIGTTOU)); | |
08a24c47 | 3423 | status = tgetent (buffer, terminal_type); |
03a1d6bd | 3424 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3425 | |
08a24c47 | 3426 | if (status < 0) |
b0347178 KH |
3427 | { |
3428 | #ifdef TERMINFO | |
6ed8eeff | 3429 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3430 | "Cannot open terminfo database file", |
3431 | "Cannot open terminfo database file"); | |
b0347178 | 3432 | #else |
6ed8eeff | 3433 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3434 | "Cannot open termcap database file", |
3435 | "Cannot open termcap database file"); | |
b0347178 KH |
3436 | #endif |
3437 | } | |
08a24c47 | 3438 | if (status == 0) |
b0347178 KH |
3439 | { |
3440 | #ifdef TERMINFO | |
6ed8eeff | 3441 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3442 | "Terminal type %s is not defined", |
3443 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3444 | If that is not the actual type of terminal you have,\n\ |
3445 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3446 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3447 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 3448 | terminal_type); |
b0347178 | 3449 | #else |
6ed8eeff | 3450 | maybe_fatal (must_succeed, buffer, terminal, |
3224dac1 KL |
3451 | "Terminal type %s is not defined", |
3452 | "Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
3453 | If that is not the actual type of terminal you have,\n\ |
3454 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3455 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3456 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 3457 | terminal_type); |
b0347178 KH |
3458 | #endif |
3459 | } | |
6b61353c KH |
3460 | |
3461 | #ifndef TERMINFO | |
3462 | if (strlen (buffer) >= buffer_size) | |
08a24c47 | 3463 | abort (); |
6b61353c KH |
3464 | buffer_size = strlen (buffer); |
3465 | #endif | |
3466 | area = (char *) xmalloc (buffer_size); | |
08a24c47 | 3467 | |
fca177d4 KL |
3468 | tty->TS_ins_line = tgetstr ("al", address); |
3469 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3470 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3471 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3472 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3473 | tty->TS_clr_line = tgetstr ("ce", address); | |
3474 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3475 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3476 | AbsPosition (tty) = tgetstr ("cm", address); | |
3477 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3478 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3479 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3480 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3481 | tty->TS_del_char = tgetstr ("dc", address); |
3482 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3483 | tty->TS_del_line = tgetstr ("dl", address); | |
3484 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3485 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3486 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3487 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3488 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3489 | tty->TS_ins_char = tgetstr ("ic", address); |
3490 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3491 | tty->TS_insert_mode = tgetstr ("im", address); | |
3492 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3493 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3494 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3495 | LastLine (tty) = tgetstr ("ll", address); |
3496 | Right (tty) = tgetstr ("nd", address); | |
3497 | Down (tty) = tgetstr ("do", address); | |
3498 | if (!Down (tty)) | |
3499 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 JB |
3500 | #ifdef VMS |
3501 | /* VMS puts a carriage return before each linefeed, | |
3502 | so it is not safe to use linefeeds. */ | |
6548cf00 KL |
3503 | if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0') |
3504 | Down (tty) = 0; | |
08a24c47 JB |
3505 | #endif /* VMS */ |
3506 | if (tgetflag ("bs")) | |
6548cf00 | 3507 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3508 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3509 | Left (tty) = tgetstr ("le", address); |
3510 | if (!Left (tty)) | |
3511 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3512 | tty->TS_pad_char = tgetstr ("pc", address); |
3513 | tty->TS_repeat = tgetstr ("rp", address); | |
3514 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3515 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3516 | tty->TS_standout_mode = tgetstr ("so", address); | |
3517 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3518 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3519 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3520 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3521 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3522 | tty->TS_visible_bell = tgetstr ("vb", address); |
3523 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3524 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3525 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3526 | tty->TS_set_window = tgetstr ("wi", address); | |
3527 | ||
3528 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3529 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3530 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3531 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3532 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3533 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3534 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3535 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3536 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3537 | |
6548cf00 KL |
3538 | MultiUp (tty) = tgetstr ("UP", address); |
3539 | MultiDown (tty) = tgetstr ("DO", address); | |
3540 | MultiLeft (tty) = tgetstr ("LE", address); | |
3541 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3542 | |
e7f90eab GM |
3543 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3544 | color because we can't switch back to the default foreground and | |
3545 | background. */ | |
fca177d4 KL |
3546 | tty->TS_orig_pair = tgetstr ("op", address); |
3547 | if (tty->TS_orig_pair) | |
a168702a | 3548 | { |
fca177d4 KL |
3549 | tty->TS_set_foreground = tgetstr ("AF", address); |
3550 | tty->TS_set_background = tgetstr ("AB", address); | |
3551 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3552 | { |
3553 | /* SVr4. */ | |
fca177d4 KL |
3554 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3555 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3556 | } |
177c0ea7 | 3557 | |
fca177d4 KL |
3558 | tty->TN_max_colors = tgetnum ("Co"); |
3559 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3560 | |
fca177d4 KL |
3561 | tty->TN_no_color_video = tgetnum ("NC"); |
3562 | if (tty->TN_no_color_video == -1) | |
3563 | tty->TN_no_color_video = 0; | |
a168702a | 3564 | } |
a168702a | 3565 | |
fca177d4 | 3566 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3567 | |
6548cf00 | 3568 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3569 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3570 | the former flag imply the latter. */ | |
6548cf00 | 3571 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3572 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3573 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3574 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3575 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3576 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3577 | tty->TF_standout_motion = tgetflag ("ms"); | |
3578 | tty->TF_underscore = tgetflag ("ul"); | |
3579 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3580 | |
953bf0dc | 3581 | #endif /* !WINDOWSNT */ |
e7cf0fa0 | 3582 | #ifdef MULTI_KBOARD |
6ed8eeff KL |
3583 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3584 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3585 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3586 | terminal->kboard->next_kboard = all_kboards; |
3587 | all_kboards = terminal->kboard; | |
3588 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3589 | /* Don't let the initial kboard remain current longer than necessary. |
3590 | That would cause problems if a file loaded on startup tries to | |
3591 | prompt in the mini-buffer. */ | |
3592 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3593 | current_kboard = terminal->kboard; |
953bf0dc | 3594 | #ifndef WINDOWSNT |
6ed8eeff | 3595 | term_get_fkeys (address, terminal->kboard); |
80ca7302 | 3596 | #endif |
953bf0dc | 3597 | #endif |
5c2c7893 | 3598 | |
953bf0dc | 3599 | #ifndef WINDOWSNT |
ff11dfa1 | 3600 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3601 | { |
3602 | int height, width; | |
0b0d3e0b | 3603 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3604 | FrameCols (tty) = width; |
3605 | FrameRows (tty) = height; | |
3b12ce12 RS |
3606 | } |
3607 | ||
0a125897 KL |
3608 | if (FrameCols (tty) <= 0) |
3609 | FrameCols (tty) = tgetnum ("co"); | |
3610 | if (FrameRows (tty) <= 0) | |
3611 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3612 | |
0a125897 | 3613 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
6ed8eeff | 3614 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
3615 | "Screen size %dx%d is too small" |
3616 | "Screen size %dx%d is too small", | |
0a125897 | 3617 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3618 | |
8a56675d | 3619 | #if 0 /* This is not used anywhere. */ |
6ed8eeff | 3620 | tty->terminal->min_padding_speed = tgetnum ("pb"); |
8a56675d | 3621 | #endif |
28d440ab | 3622 | |
6548cf00 | 3623 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 JB |
3624 | |
3625 | #ifdef VMS | |
3626 | /* These capabilities commonly use ^J. | |
3627 | I don't know why, but sending them on VMS does not work; | |
3628 | it causes following spaces to be lost, sometimes. | |
3629 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
6548cf00 KL |
3630 | if (Down (tty) && Down (tty)[0] == '\n') |
3631 | Down (tty) = 0; | |
08a24c47 JB |
3632 | #endif /* VMS */ |
3633 | ||
fca177d4 KL |
3634 | if (!tty->TS_bell) |
3635 | tty->TS_bell = "\07"; | |
08a24c47 | 3636 | |
fca177d4 KL |
3637 | if (!tty->TS_fwd_scroll) |
3638 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3639 | |
fca177d4 | 3640 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3641 | |
6548cf00 KL |
3642 | if (TabWidth (tty) < 0) |
3643 | TabWidth (tty) = 8; | |
177c0ea7 | 3644 | |
08a24c47 JB |
3645 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3646 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3647 | if (!tty->Wcm->cm_tab) |
3648 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3649 | */ |
3650 | ||
54800acb MB |
3651 | /* We don't support standout modes that use `magic cookies', so |
3652 | turn off any that do. */ | |
fca177d4 | 3653 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3654 | { |
fca177d4 KL |
3655 | tty->TS_standout_mode = 0; |
3656 | tty->TS_end_standout_mode = 0; | |
54800acb | 3657 | } |
fca177d4 | 3658 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3659 | { |
fca177d4 KL |
3660 | tty->TS_enter_underline_mode = 0; |
3661 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3662 | } |
3663 | ||
3664 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3665 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3666 | { |
fca177d4 KL |
3667 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3668 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3669 | } |
3670 | ||
afd359c4 RS |
3671 | /* If no `se' string, try using a `me' string instead. |
3672 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3673 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3674 | { |
e4bfb3b6 | 3675 | char *s = tgetstr ("me", address); |
afd359c4 | 3676 | if (s != 0) |
fca177d4 | 3677 | tty->TS_end_standout_mode = s; |
afd359c4 | 3678 | else |
fca177d4 | 3679 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3680 | } |
3681 | ||
fca177d4 | 3682 | if (tty->TF_teleray) |
08a24c47 | 3683 | { |
6548cf00 | 3684 | tty->Wcm->cm_tab = 0; |
54800acb | 3685 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3686 | tty->TS_standout_mode = 0; |
08a24c47 | 3687 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3688 | CR (tty) = 0; |
08a24c47 JB |
3689 | /* LF can't be trusted either -- can alter hpos */ |
3690 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3691 | Down (tty) = 0; |
08a24c47 JB |
3692 | } |
3693 | ||
3694 | /* Special handling for certain terminal types known to need it */ | |
3695 | ||
3696 | if (!strcmp (terminal_type, "supdup")) | |
3697 | { | |
6ed8eeff | 3698 | terminal->memory_below_frame = 1; |
6548cf00 | 3699 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3700 | } |
3701 | if (!strncmp (terminal_type, "c10", 3) | |
3702 | || !strcmp (terminal_type, "perq")) | |
3703 | { | |
3704 | /* Supply a makeshift :wi string. | |
3705 | This string is not valid in general since it works only | |
3706 | for windows starting at the upper left corner; | |
3707 | but that is all Emacs uses. | |
3708 | ||
ff11dfa1 | 3709 | This string works only if the frame is using |
08a24c47 JB |
3710 | the top of the video memory, because addressing is memory-relative. |
3711 | So first check the :ti string to see if that is true. | |
3712 | ||
3713 | It would be simpler if the :wi string could go in the termcap | |
3714 | entry, but it can't because it is not fully valid. | |
3715 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3716 | if (!tty->TS_set_window) |
08a24c47 | 3717 | { |
fca177d4 | 3718 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3719 | while (*p && strcmp (p, "\033v ")) |
3720 | p++; | |
3721 | if (*p) | |
fca177d4 | 3722 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3723 | } |
3724 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3725 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3726 | /* :ti string typically fails to have \E^G! in it */ |
3727 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3728 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3729 | strcat (area, "\033\007!"); |
fca177d4 | 3730 | tty->TS_termcap_modes = area; |
08a24c47 | 3731 | area += strlen (area) + 1; |
6548cf00 | 3732 | p = AbsPosition (tty); |
08a24c47 | 3733 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3734 | values above 96 correctly for the C100. */ |
08a24c47 | 3735 | while (*p) |
28d440ab KL |
3736 | { |
3737 | if (p[0] == '%' && p[1] == '+') | |
3738 | p[1] = 'C'; | |
3739 | p++; | |
3740 | } | |
08a24c47 JB |
3741 | } |
3742 | ||
0a125897 | 3743 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3744 | |
6548cf00 | 3745 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3746 | { |
6ed8eeff | 3747 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 | 3748 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
08a24c47 | 3749 | #ifdef VMS |
3224dac1 | 3750 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3751 | It lacks the ability to position the cursor.\n\ |
3752 | If that is not the actual type of terminal you have, use either the\n\ | |
3753 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 3754 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
37dad45a RS |
3755 | #else /* not VMS */ |
3756 | # ifdef TERMINFO | |
3224dac1 | 3757 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3758 | It lacks the ability to position the cursor.\n\ |
3759 | If that is not the actual type of terminal you have,\n\ | |
3760 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3761 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3762 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 3763 | # else /* TERMCAP */ |
3224dac1 | 3764 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3765 | It lacks the ability to position the cursor.\n\ |
3766 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
3767 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3768 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3769 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a RS |
3770 | # endif /* TERMINFO */ |
3771 | #endif /*VMS */ | |
3224dac1 | 3772 | terminal_type); |
fca177d4 | 3773 | } |
daf01701 | 3774 | |
0a125897 | 3775 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
6ed8eeff | 3776 | maybe_fatal (must_succeed, NULL, terminal, |
3224dac1 KL |
3777 | "Could not determine the frame size", |
3778 | "Could not determine the frame size"); | |
08a24c47 | 3779 | |
fca177d4 KL |
3780 | tty->delete_in_insert_mode |
3781 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3782 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3783 | |
fca177d4 KL |
3784 | tty->se_is_so = (tty->TS_standout_mode |
3785 | && tty->TS_end_standout_mode | |
3786 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3787 | |
0b0d3e0b | 3788 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3789 | |
6ed8eeff | 3790 | terminal->scroll_region_ok |
6548cf00 | 3791 | = (tty->Wcm->cm_abs |
fca177d4 | 3792 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3793 | |
6ed8eeff | 3794 | terminal->line_ins_del_ok |
fca177d4 KL |
3795 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3796 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3797 | || (terminal->scroll_region_ok |
fca177d4 | 3798 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3799 | |
6ed8eeff | 3800 | terminal->char_ins_del_ok |
fca177d4 KL |
3801 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3802 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3803 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3804 | |
6ed8eeff | 3805 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3806 | |
0b0d3e0b | 3807 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3808 | |
daf01701 KL |
3809 | #ifdef AIXHFT |
3810 | /* The HFT system on AIX doesn't optimize for scrolling, so it's | |
3811 | really ugly at times. */ | |
6ed8eeff KL |
3812 | terminal->line_ins_del_ok = 0; |
3813 | terminal->char_ins_del_ok = 0; | |
daf01701 KL |
3814 | #endif |
3815 | ||
0a125897 KL |
3816 | /* Don't do this. I think termcap may still need the buffer. */ |
3817 | /* xfree (buffer); */ | |
28d440ab | 3818 | |
635e3b29 JR |
3819 | #endif /* not WINDOWSNT */ |
3820 | ||
0a125897 KL |
3821 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3822 | init_sys_modes (tty); | |
daf01701 | 3823 | |
6ed8eeff | 3824 | return terminal; |
08a24c47 JB |
3825 | } |
3826 | ||
a4c6993d | 3827 | /* Auxiliary error-handling function for init_tty. |
6ed8eeff | 3828 | Free BUFFER and delete TERMINAL, then call error or fatal |
da8e1115 | 3829 | with str1 or str2, respectively, according to MUST_SUCCEED. */ |
6b61353c | 3830 | |
3224dac1 | 3831 | static void |
6ed8eeff | 3832 | maybe_fatal (must_succeed, buffer, terminal, str1, str2, arg1, arg2) |
3224dac1 KL |
3833 | int must_succeed; |
3834 | char *buffer; | |
6ed8eeff | 3835 | struct terminal *terminal; |
3224dac1 KL |
3836 | char *str1, *str2, *arg1, *arg2; |
3837 | { | |
3838 | if (buffer) | |
3839 | xfree (buffer); | |
3840 | ||
6ed8eeff KL |
3841 | if (terminal) |
3842 | delete_tty (terminal); | |
f4d953fc | 3843 | |
3224dac1 KL |
3844 | if (must_succeed) |
3845 | fatal (str2, arg1, arg2); | |
3846 | else | |
3847 | error (str1, arg1, arg2); | |
3848 | ||
3849 | abort (); | |
08a24c47 JB |
3850 | } |
3851 | ||
dfcf069d | 3852 | void |
7c401d15 | 3853 | fatal (const char *str, ...) |
08a24c47 | 3854 | { |
7c401d15 DN |
3855 | va_list ap; |
3856 | va_start (ap, str); | |
08a24c47 | 3857 | fprintf (stderr, "emacs: "); |
7c401d15 DN |
3858 | vfprintf (stderr, str, ap); |
3859 | va_end (ap); | |
08a24c47 JB |
3860 | fflush (stderr); |
3861 | exit (1); | |
3862 | } | |
07c57952 | 3863 | |
819b8f00 KL |
3864 | \f |
3865 | ||
6ed8eeff | 3866 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3867 | |
ed8dad6b | 3868 | static void |
6ed8eeff | 3869 | delete_tty (struct terminal *terminal) |
072d84a6 | 3870 | { |
428a555e | 3871 | struct tty_display_info *tty; |
fca177d4 | 3872 | Lisp_Object tail, frame; |
6ed8eeff | 3873 | int last_terminal; |
f4d953fc | 3874 | |
ab797f65 KL |
3875 | /* Protect against recursive calls. Fdelete_frame in |
3876 | delete_terminal calls us back when it deletes our last frame. */ | |
59a7bc63 | 3877 | if (!terminal->name) |
0a125897 | 3878 | return; |
fca177d4 | 3879 | |
6ed8eeff | 3880 | if (terminal->type != output_termcap) |
428a555e KL |
3881 | abort (); |
3882 | ||
6ed8eeff | 3883 | tty = terminal->display_info.tty; |
f4d953fc | 3884 | |
6ed8eeff | 3885 | last_terminal = 1; |
81be1a93 KL |
3886 | FOR_EACH_FRAME (tail, frame) |
3887 | { | |
3888 | struct frame *f = XFRAME (frame); | |
3889 | if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty)) | |
3890 | { | |
6ed8eeff | 3891 | last_terminal = 0; |
81be1a93 KL |
3892 | break; |
3893 | } | |
3894 | } | |
6ed8eeff KL |
3895 | if (last_terminal) |
3896 | error ("Attempt to delete the sole terminal device with live frames"); | |
f4d953fc | 3897 | |
fca177d4 KL |
3898 | if (tty == tty_list) |
3899 | tty_list = tty->next; | |
3900 | else | |
3901 | { | |
28d7d09f | 3902 | struct tty_display_info *p; |
fca177d4 KL |
3903 | for (p = tty_list; p && p->next != tty; p = p->next) |
3904 | ; | |
3905 | ||
3906 | if (! p) | |
3907 | /* This should not happen. */ | |
3908 | abort (); | |
3909 | ||
0a125897 KL |
3910 | p->next = tty->next; |
3911 | tty->next = 0; | |
fca177d4 KL |
3912 | } |
3913 | ||
7e59217d | 3914 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3915 | before delete_terminal. */ |
04c3243c | 3916 | reset_sys_modes (tty); |
fca177d4 | 3917 | |
6ed8eeff | 3918 | delete_terminal (terminal); |
3224dac1 | 3919 | |
ab797f65 KL |
3920 | if (tty->name) |
3921 | xfree (tty->name); | |
3922 | ||
fca177d4 KL |
3923 | if (tty->type) |
3924 | xfree (tty->type); | |
daf01701 | 3925 | |
fca177d4 | 3926 | if (tty->input) |
819b8f00 KL |
3927 | { |
3928 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3929 | if (tty->input != stdin) | |
3930 | fclose (tty->input); | |
3931 | } | |
3932 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3933 | fclose (tty->output); |
3934 | if (tty->termscript) | |
3935 | fclose (tty->termscript); | |
daf01701 | 3936 | |
fca177d4 | 3937 | if (tty->old_tty) |
0a125897 | 3938 | xfree (tty->old_tty); |
fca177d4 | 3939 | |
0a125897 | 3940 | if (tty->Wcm) |
daf01701 KL |
3941 | xfree (tty->Wcm); |
3942 | ||
28d7d09f | 3943 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 3944 | xfree (tty); |
fca177d4 KL |
3945 | } |
3946 | ||
428a555e KL |
3947 | \f |
3948 | ||
28d7d09f | 3949 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 3950 | Called by the Fgarbage_collector. */ |
da8e1115 | 3951 | |
fca177d4 | 3952 | void |
ed8dad6b | 3953 | mark_ttys (void) |
fca177d4 | 3954 | { |
28d7d09f | 3955 | struct tty_display_info *tty; |
0c72d684 | 3956 | |
819b8f00 | 3957 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 3958 | mark_object (tty->top_frame); |
072d84a6 RS |
3959 | } |
3960 | ||
428a555e KL |
3961 | \f |
3962 | ||
dfcf069d | 3963 | void |
07c57952 KH |
3964 | syms_of_term () |
3965 | { | |
7ee72033 MB |
3966 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
3967 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 3968 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3969 | #ifdef TERMINFO |
3970 | system_uses_terminfo = 1; | |
3971 | #else | |
3972 | system_uses_terminfo = 0; | |
3973 | #endif | |
c291d9ef | 3974 | |
e4019195 DN |
3975 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
3976 | doc: /* Functions to be run after suspending a tty. | |
ab797f65 | 3977 | The functions are run with one argument, the terminal id to be suspended. |
0b0d3e0b | 3978 | See `suspend-tty'. */); |
e4019195 | 3979 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3980 | |
3981 | ||
e4019195 DN |
3982 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
3983 | doc: /* Functions to be run after resuming a tty. | |
ab797f65 | 3984 | The functions are run with one argument, the terminal id that was revived. |
0b0d3e0b | 3985 | See `resume-tty'. */); |
e4019195 | 3986 | Vresume_tty_functions = Qnil; |
a168702a | 3987 | |
0db017c0 SM |
3988 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
3989 | doc: /* Non-nil means to make the cursor very visible. | |
3990 | This only has an effect when running in a text terminal. | |
3991 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3992 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3993 | visible_cursor = 1; | |
3994 | ||
a168702a | 3995 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3996 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3997 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3998 | defsubr (&Stty_type); |
3999 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
4000 | defsubr (&Ssuspend_tty); |
4001 | defsubr (&Sresume_tty); | |
7e5a23bd | 4002 | #ifdef HAVE_GPM |
6178ce5e SM |
4003 | defsubr (&Sgpm_mouse_start); |
4004 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 4005 | |
6178ce5e | 4006 | staticpro (&mouse_face_window); |
7e5a23bd | 4007 | #endif /* HAVE_GPM */ |
07c57952 | 4008 | } |
a168702a | 4009 | |
819b8f00 KL |
4010 | |
4011 | ||
6b61353c KH |
4012 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
4013 | (do not change this comment) */ |