Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
76b6f707 | 3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
8cabe764 | 4 | Free Software Foundation, Inc. |
08a24c47 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
08a24c47 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 20 | |
d284f58f | 21 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 22 | |
565620a5 | 23 | #include <config.h> |
08a24c47 JB |
24 | #include <stdio.h> |
25 | #include <ctype.h> | |
a168702a | 26 | #include <string.h> |
59b3194c | 27 | #include <errno.h> |
28d440ab | 28 | #include <sys/file.h> |
7eb1e453 | 29 | |
d8b18043 | 30 | #ifdef HAVE_UNISTD_H |
1ec5dc77 | 31 | #include <unistd.h> |
d8b18043 | 32 | #endif |
7ee72033 | 33 | |
67ad74df KL |
34 | #if HAVE_TERMIOS_H |
35 | #include <termios.h> /* For TIOCNOTTY. */ | |
36 | #endif | |
03a1d6bd KL |
37 | |
38 | #include <signal.h> | |
7c401d15 | 39 | #include <stdarg.h> |
d7306fe6 | 40 | #include <setjmp.h> |
0c72d684 | 41 | |
9628b887 | 42 | #include "lisp.h" |
08a24c47 JB |
43 | #include "termchar.h" |
44 | #include "termopts.h" | |
9332ea03 KH |
45 | #include "buffer.h" |
46 | #include "character.h" | |
a4decb7f KH |
47 | #include "charset.h" |
48 | #include "coding.h" | |
4c12d738 | 49 | #include "composite.h" |
2538fae4 | 50 | #include "keyboard.h" |
ff11dfa1 | 51 | #include "frame.h" |
08a24c47 JB |
52 | #include "disptab.h" |
53 | #include "termhooks.h" | |
dfcf069d | 54 | #include "dispextern.h" |
a168702a | 55 | #include "window.h" |
8feddab4 | 56 | #include "keymap.h" |
1a935bfd | 57 | #include "blockinput.h" |
03a1d6bd KL |
58 | #include "syssignal.h" |
59 | #include "systty.h" | |
c9612b8e | 60 | #include "intervals.h" |
84704c5c EZ |
61 | #ifdef MSDOS |
62 | #include "msdos.h" | |
63 | static int been_here = -1; | |
64 | #endif | |
a168702a | 65 | |
ff23e1dd GM |
66 | /* For now, don't try to include termcap.h. On some systems, |
67 | configure finds a non-standard termcap.h that the main build | |
68 | won't find. */ | |
69 | ||
70 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 71 | #include <termcap.h> |
46d1b2bc DL |
72 | #else |
73 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
74 | extern int tgetent P_ ((char *, const char *)); | |
75 | extern int tgetflag P_ ((char *id)); | |
76 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
77 | #endif |
78 | ||
eccec691 | 79 | #include "cm.h" |
dfcf069d AS |
80 | #ifdef HAVE_X_WINDOWS |
81 | #include "xterm.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 | { | |
d31eee5e | 585 | if (encode_terminal_src) |
288d5132 | 586 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
587 | else |
588 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
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 | { | |
75a10786 KH |
600 | struct composition *cmp; |
601 | Lisp_Object gstring; | |
4c12d738 KH |
602 | int i; |
603 | ||
604 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
605 | if (src->u.cmp.automatic) |
606 | { | |
607 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
285e85c6 | 608 | required = src->u.cmp.to + 1 - src->u.cmp.from; |
75a10786 KH |
609 | } |
610 | else | |
611 | { | |
612 | cmp = composition_table[src->u.cmp.id]; | |
613 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
614 | } | |
4c12d738 KH |
615 | |
616 | if (encode_terminal_src_size < nbytes + required) | |
617 | { | |
618 | encode_terminal_src_size = nbytes + required; | |
619 | encode_terminal_src = xrealloc (encode_terminal_src, | |
620 | encode_terminal_src_size); | |
621 | buf = encode_terminal_src + nbytes; | |
622 | } | |
623 | ||
75a10786 | 624 | if (src->u.cmp.automatic) |
285e85c6 | 625 | for (i = src->u.cmp.from; i <= src->u.cmp.to; i++) |
75a10786 KH |
626 | { |
627 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
628 | int c = LGLYPH_CHAR (g); | |
629 | ||
630 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 631 | c = '?'; |
75a10786 KH |
632 | buf += CHAR_STRING (c, buf); |
633 | nchars++; | |
634 | } | |
635 | else | |
636 | for (i = 0; i < cmp->glyph_len; i++) | |
637 | { | |
638 | int c = COMPOSITION_GLYPH (cmp, i); | |
639 | ||
d0984aff KH |
640 | if (c == '\t') |
641 | continue; | |
642 | if (char_charset (c, charset_list, NULL)) | |
643 | { | |
644 | if (CHAR_WIDTH (c) == 0 | |
645 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
646 | /* Should be left-padded */ | |
647 | { | |
648 | buf += CHAR_STRING (' ', buf); | |
649 | nchars++; | |
650 | } | |
651 | } | |
652 | else | |
653 | c = '?'; | |
75a10786 KH |
654 | buf += CHAR_STRING (c, buf); |
655 | nchars++; | |
656 | } | |
4c12d738 | 657 | } |
a4decb7f | 658 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 659 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 660 | { |
f4d953fc | 661 | GLYPH g; |
288d5132 KH |
662 | int c; |
663 | Lisp_Object string; | |
664 | ||
4ae0a2c0 | 665 | string = Qnil; |
f4d953fc | 666 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 667 | |
f4d953fc | 668 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 669 | { |
f185a758 | 670 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
671 | c = src->u.ch; |
672 | } | |
32de38e4 | 673 | else |
a4decb7f | 674 | { |
32de38e4 | 675 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
676 | so process any alias before testing for simpleness. */ |
677 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
678 | |
679 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
680 | /* We set the multi-byte form of a character in G |
681 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 682 | c = GLYPH_CHAR (g); |
32de38e4 | 683 | else |
4ae0a2c0 | 684 | /* We have a string in Vglyph_table. */ |
f4d953fc | 685 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 686 | } |
177c0ea7 | 687 | |
4ae0a2c0 | 688 | if (NILP (string)) |
c42869c4 | 689 | { |
4c12d738 KH |
690 | nbytes = buf - encode_terminal_src; |
691 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
692 | { | |
693 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
694 | encode_terminal_src = xrealloc (encode_terminal_src, | |
695 | encode_terminal_src_size); | |
696 | buf = encode_terminal_src + nbytes; | |
697 | } | |
288d5132 | 698 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 699 | { |
288d5132 KH |
700 | /* Store the multibyte form of C at BUF. */ |
701 | buf += CHAR_STRING (c, buf); | |
702 | nchars++; | |
c5a518df KH |
703 | } |
704 | else | |
705 | { | |
288d5132 KH |
706 | /* C is not encodable. */ |
707 | *buf++ = '?'; | |
c5a518df | 708 | nchars++; |
288d5132 KH |
709 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
710 | { | |
711 | *buf++ = '?'; | |
712 | nchars++; | |
713 | src++; | |
714 | } | |
c5a518df | 715 | } |
4ae0a2c0 KH |
716 | } |
717 | else | |
718 | { | |
288d5132 KH |
719 | unsigned char *p = SDATA (string), *pend = p + SBYTES (string); |
720 | ||
721 | if (! STRING_MULTIBYTE (string)) | |
722 | string = string_to_multibyte (string); | |
723 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 724 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 725 | { |
288d5132 KH |
726 | encode_terminal_src_size = nbytes + SBYTES (string); |
727 | encode_terminal_src = xrealloc (encode_terminal_src, | |
728 | encode_terminal_src_size); | |
729 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 730 | } |
288d5132 KH |
731 | bcopy (SDATA (string), buf, SBYTES (string)); |
732 | buf += SBYTES (string); | |
733 | nchars += SCHARS (string); | |
c42869c4 | 734 | } |
a4decb7f | 735 | } |
288d5132 KH |
736 | src++; |
737 | } | |
738 | ||
739 | if (nchars == 0) | |
740 | { | |
741 | coding->produced = 0; | |
742 | return NULL; | |
a4decb7f | 743 | } |
177c0ea7 | 744 | |
288d5132 KH |
745 | nbytes = buf - encode_terminal_src; |
746 | coding->source = encode_terminal_src; | |
747 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 748 | { |
288d5132 | 749 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
750 | if (encode_terminal_dst) |
751 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
752 | encode_terminal_dst_size); | |
753 | else | |
754 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 755 | } |
288d5132 KH |
756 | coding->destination = encode_terminal_dst; |
757 | coding->dst_bytes = encode_terminal_dst_size; | |
758 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 759 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
760 | encode_terminal_dst = coding->destination; |
761 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 762 | |
288d5132 | 763 | return (encode_terminal_dst); |
a4decb7f KH |
764 | } |
765 | ||
08a24c47 | 766 | |
c73bd236 | 767 | |
da8e1115 KL |
768 | /* An implementation of write_glyphs for termcap frames. */ |
769 | ||
ed8dad6b | 770 | static void |
385ed61f | 771 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 772 | { |
288d5132 KH |
773 | unsigned char *conversion_buffer; |
774 | struct coding_system *coding; | |
08a24c47 | 775 | |
3224dac1 | 776 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 777 | |
ed8dad6b | 778 | tty_turn_off_insert (tty); |
fca177d4 | 779 | tty_hide_cursor (tty); |
08a24c47 | 780 | |
a168702a | 781 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 782 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 783 | |
6548cf00 KL |
784 | if (AutoWrap (tty) |
785 | && curY (tty) + 1 == FRAME_LINES (f) | |
786 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 787 | len --; |
a4decb7f KH |
788 | if (len <= 0) |
789 | return; | |
08a24c47 | 790 | |
6548cf00 | 791 | cmplus (tty, len); |
177c0ea7 | 792 | |
af645abf KH |
793 | /* If terminal_coding does any conversion, use it, otherwise use |
794 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
795 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
796 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
797 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
798 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
799 | the tail. */ | |
af645abf | 800 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 801 | |
a4decb7f | 802 | while (len > 0) |
08a24c47 | 803 | { |
a168702a | 804 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 805 | int face_id = string->face_id; |
a168702a | 806 | int n; |
177c0ea7 | 807 | |
a168702a | 808 | for (n = 1; n < len; ++n) |
32de38e4 | 809 | if (string[n].face_id != face_id) |
a168702a GM |
810 | break; |
811 | ||
812 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 813 | tty_highlight_if_desired (tty); |
a168702a GM |
814 | turn_on_face (f, face_id); |
815 | ||
288d5132 KH |
816 | if (n == len) |
817 | /* This is the last run. */ | |
818 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
819 | conversion_buffer = encode_terminal_code (string, n, coding); | |
820 | if (coding->produced > 0) | |
08a24c47 | 821 | { |
1a935bfd | 822 | BLOCK_INPUT; |
fad2f685 KL |
823 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
824 | if (ferror (tty->output)) | |
825 | clearerr (tty->output); | |
826 | if (tty->termscript) | |
827 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 828 | UNBLOCK_INPUT; |
08a24c47 | 829 | } |
288d5132 KH |
830 | len -= n; |
831 | string += n; | |
a168702a GM |
832 | |
833 | /* Turn appearance modes off. */ | |
834 | turn_off_face (f, face_id); | |
ed8dad6b | 835 | tty_turn_off_highlight (tty); |
a4decb7f | 836 | } |
177c0ea7 | 837 | |
6548cf00 | 838 | cmcheckmagic (tty); |
08a24c47 JB |
839 | } |
840 | ||
b870aa61 SM |
841 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
842 | ||
7be1c21a MB |
843 | static void |
844 | tty_write_glyphs_with_face (f, string, len, face_id) | |
845 | register struct frame *f; | |
e882229c NR |
846 | register struct glyph *string; |
847 | register int len, face_id; | |
848 | { | |
e882229c NR |
849 | unsigned char *conversion_buffer; |
850 | struct coding_system *coding; | |
851 | ||
7be1c21a MB |
852 | struct tty_display_info *tty = FRAME_TTY (f); |
853 | ||
854 | tty_turn_off_insert (tty); | |
855 | tty_hide_cursor (tty); | |
e882229c NR |
856 | |
857 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
858 | since that would scroll the whole frame on some terminals. */ | |
859 | ||
7be1c21a MB |
860 | if (AutoWrap (tty) |
861 | && curY (tty) + 1 == FRAME_LINES (f) | |
862 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
863 | len --; |
864 | if (len <= 0) | |
865 | return; | |
866 | ||
7be1c21a | 867 | cmplus (tty, len); |
e882229c NR |
868 | |
869 | /* If terminal_coding does any conversion, use it, otherwise use | |
870 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
871 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
872 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
873 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
874 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
875 | the tail. */ | |
876 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
877 | ||
e882229c | 878 | /* Turn appearance modes of the face. */ |
7be1c21a | 879 | tty_highlight_if_desired (tty); |
e882229c NR |
880 | turn_on_face (f, face_id); |
881 | ||
882 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
883 | conversion_buffer = encode_terminal_code (string, len, coding); | |
884 | if (coding->produced > 0) | |
885 | { | |
886 | BLOCK_INPUT; | |
7be1c21a MB |
887 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
888 | if (ferror (tty->output)) | |
889 | clearerr (tty->output); | |
890 | if (tty->termscript) | |
891 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
892 | UNBLOCK_INPUT; |
893 | } | |
894 | ||
895 | /* Turn appearance modes off. */ | |
896 | turn_off_face (f, face_id); | |
7be1c21a | 897 | tty_turn_off_highlight (tty); |
e882229c | 898 | |
7be1c21a | 899 | cmcheckmagic (tty); |
e882229c | 900 | } |
b870aa61 | 901 | #endif |
e882229c | 902 | |
da8e1115 | 903 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 904 | |
ed8dad6b | 905 | static void |
385ed61f | 906 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
907 | { |
908 | char *buf; | |
6bbd7a29 | 909 | struct glyph *glyph = NULL; |
af645abf KH |
910 | unsigned char *conversion_buffer; |
911 | unsigned char space[1]; | |
912 | struct coding_system *coding; | |
08a24c47 | 913 | |
3224dac1 | 914 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 915 | |
fca177d4 | 916 | if (tty->TS_ins_multi_chars) |
08a24c47 | 917 | { |
fca177d4 | 918 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 919 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 920 | xfree (buf); |
08a24c47 | 921 | if (start) |
385ed61f | 922 | write_glyphs (f, start, len); |
08a24c47 JB |
923 | return; |
924 | } | |
925 | ||
ed8dad6b | 926 | tty_turn_on_insert (tty); |
6548cf00 | 927 | cmplus (tty, len); |
288d5132 KH |
928 | |
929 | if (! start) | |
930 | space[0] = SPACEGLYPH; | |
931 | ||
932 | /* If terminal_coding does any conversion, use it, otherwise use | |
933 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
934 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
935 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
936 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
937 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
938 | the tail. */ | |
939 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
940 | ||
07109bf9 | 941 | while (len-- > 0) |
08a24c47 | 942 | { |
fca177d4 | 943 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 944 | if (!start) |
32de38e4 | 945 | { |
288d5132 KH |
946 | conversion_buffer = space; |
947 | coding->produced = 1; | |
32de38e4 | 948 | } |
08a24c47 | 949 | else |
08a24c47 | 950 | { |
ed8dad6b | 951 | tty_highlight_if_desired (tty); |
32de38e4 | 952 | turn_on_face (f, start->face_id); |
816be8b8 | 953 | glyph = start; |
a168702a | 954 | ++start; |
a4decb7f KH |
955 | /* We must open sufficient space for a character which |
956 | occupies more than one column. */ | |
a168702a | 957 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 958 | { |
fca177d4 | 959 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
960 | start++, len--; |
961 | } | |
288d5132 KH |
962 | |
963 | if (len <= 0) | |
964 | /* This is the last glyph. */ | |
965 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
966 | ||
fad2f685 | 967 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 968 | } |
a4decb7f | 969 | |
288d5132 | 970 | if (coding->produced > 0) |
08a24c47 | 971 | { |
1a935bfd | 972 | BLOCK_INPUT; |
fad2f685 | 973 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
974 | if (ferror (tty->output)) |
975 | clearerr (tty->output); | |
976 | if (tty->termscript) | |
fad2f685 | 977 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 978 | UNBLOCK_INPUT; |
08a24c47 JB |
979 | } |
980 | ||
fca177d4 | 981 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 982 | if (start) |
65aa5e85 GM |
983 | { |
984 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 985 | tty_turn_off_highlight (tty); |
65aa5e85 | 986 | } |
9a6b6f92 | 987 | } |
177c0ea7 | 988 | |
6548cf00 | 989 | cmcheckmagic (tty); |
08a24c47 JB |
990 | } |
991 | ||
da8e1115 KL |
992 | /* An implementation of delete_glyphs for termcap frames. */ |
993 | ||
ed8dad6b | 994 | static void |
385ed61f | 995 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
996 | { |
997 | char *buf; | |
998 | register int i; | |
999 | ||
3224dac1 | 1000 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 1001 | |
fca177d4 | 1002 | if (tty->delete_in_insert_mode) |
08a24c47 | 1003 | { |
ed8dad6b | 1004 | tty_turn_on_insert (tty); |
08a24c47 JB |
1005 | } |
1006 | else | |
1007 | { | |
ed8dad6b | 1008 | tty_turn_off_insert (tty); |
fca177d4 | 1009 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
1010 | } |
1011 | ||
fca177d4 | 1012 | if (tty->TS_del_multi_chars) |
08a24c47 | 1013 | { |
fca177d4 | 1014 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 1015 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 1016 | xfree (buf); |
08a24c47 JB |
1017 | } |
1018 | else | |
1019 | for (i = 0; i < n; i++) | |
fca177d4 KL |
1020 | OUTPUT1 (tty, tty->TS_del_char); |
1021 | if (!tty->delete_in_insert_mode) | |
1022 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
1023 | } |
1024 | \f | |
da8e1115 | 1025 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 1026 | |
ed8dad6b | 1027 | static void |
385ed61f | 1028 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 1029 | { |
3224dac1 KL |
1030 | struct tty_display_info *tty = FRAME_TTY (f); |
1031 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1032 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1033 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1034 | |
1035 | register int i = n > 0 ? n : -n; | |
1036 | register char *buf; | |
1037 | ||
08a24c47 JB |
1038 | /* If the lines below the insertion are being pushed |
1039 | into the end of the window, this is the same as clearing; | |
1040 | and we know the lines are already clear, since the matching | |
1041 | deletion has already been done. So can ignore this. */ | |
1042 | /* If the lines below the deletion are blank lines coming | |
1043 | out of the end of the window, don't bother, | |
1044 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1045 | if (FRAME_SCROLL_REGION_OK (f) |
1046 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1047 | return; |
3224dac1 KL |
1048 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1049 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1050 | return; |
f4d953fc | 1051 | |
08a24c47 JB |
1052 | if (multi) |
1053 | { | |
6839f1e2 | 1054 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1055 | tty_background_highlight (tty); |
08a24c47 | 1056 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1057 | OUTPUT (tty, buf); |
9ac0d9e0 | 1058 | xfree (buf); |
08a24c47 JB |
1059 | } |
1060 | else if (single) | |
1061 | { | |
6839f1e2 | 1062 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1063 | tty_background_highlight (tty); |
08a24c47 | 1064 | while (--i >= 0) |
3224dac1 KL |
1065 | OUTPUT (tty, single); |
1066 | if (tty->TF_teleray) | |
1067 | curX (tty) = 0; | |
08a24c47 JB |
1068 | } |
1069 | else | |
1070 | { | |
ed8dad6b | 1071 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1072 | if (n < 0) |
6839f1e2 | 1073 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1074 | else |
6839f1e2 | 1075 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1076 | tty_background_highlight (tty); |
08a24c47 | 1077 | while (--i >= 0) |
3224dac1 | 1078 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1079 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1080 | } |
f4d953fc | 1081 | |
3224dac1 KL |
1082 | if (!FRAME_SCROLL_REGION_OK (f) |
1083 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1084 | && n < 0) | |
08a24c47 | 1085 | { |
385ed61f KL |
1086 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1087 | clear_to_end (f); | |
08a24c47 JB |
1088 | } |
1089 | } | |
1090 | \f | |
1091 | /* Compute cost of sending "str", in characters, | |
1092 | not counting any line-dependent padding. */ | |
1093 | ||
1094 | int | |
6839f1e2 | 1095 | string_cost (char *str) |
08a24c47 JB |
1096 | { |
1097 | cost = 0; | |
1098 | if (str) | |
1099 | tputs (str, 0, evalcost); | |
1100 | return cost; | |
1101 | } | |
1102 | ||
1103 | /* Compute cost of sending "str", in characters, | |
1104 | counting any line-dependent padding at one line. */ | |
1105 | ||
1106 | static int | |
6839f1e2 | 1107 | string_cost_one_line (char *str) |
08a24c47 JB |
1108 | { |
1109 | cost = 0; | |
1110 | if (str) | |
1111 | tputs (str, 1, evalcost); | |
1112 | return cost; | |
1113 | } | |
1114 | ||
1115 | /* Compute per line amount of line-dependent padding, | |
1116 | in tenths of characters. */ | |
1117 | ||
1118 | int | |
6839f1e2 | 1119 | per_line_cost (char *str) |
08a24c47 JB |
1120 | { |
1121 | cost = 0; | |
1122 | if (str) | |
1123 | tputs (str, 0, evalcost); | |
1124 | cost = - cost; | |
1125 | if (str) | |
1126 | tputs (str, 10, evalcost); | |
1127 | return cost; | |
1128 | } | |
1129 | ||
1130 | #ifndef old | |
1131 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1132 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1133 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1134 | |
1135 | int *char_ins_del_vector; | |
1136 | ||
9882535b | 1137 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1138 | #endif |
1139 | ||
1140 | /* ARGSUSED */ | |
1141 | static void | |
6839f1e2 | 1142 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1143 | { |
28d7d09f | 1144 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1145 | int ins_startup_cost, del_startup_cost; |
1146 | int ins_cost_per_char, del_cost_per_char; | |
1147 | register int i; | |
1148 | register int *p; | |
1149 | ||
fca177d4 | 1150 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1151 | { |
1152 | ins_cost_per_char = 0; | |
fca177d4 | 1153 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1154 | } |
fca177d4 KL |
1155 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1156 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1157 | { |
fca177d4 KL |
1158 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1159 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1160 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1161 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1162 | } |
1163 | else | |
1164 | { | |
1165 | ins_startup_cost = 9999; | |
1166 | ins_cost_per_char = 0; | |
1167 | } | |
1168 | ||
fca177d4 | 1169 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1170 | { |
1171 | del_cost_per_char = 0; | |
fca177d4 | 1172 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1173 | } |
fca177d4 | 1174 | else if (tty->TS_del_char) |
08a24c47 | 1175 | { |
fca177d4 KL |
1176 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1177 | + string_cost (tty->TS_end_delete_mode)); | |
1178 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1179 | del_startup_cost /= 2; |
fca177d4 | 1180 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1181 | } |
1182 | else | |
1183 | { | |
1184 | del_startup_cost = 9999; | |
1185 | del_cost_per_char = 0; | |
1186 | } | |
1187 | ||
1188 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1189 | p = &char_ins_del_cost (f)[0]; |
1190 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1191 | *--p = (del_startup_cost += del_cost_per_char); |
1192 | ||
1193 | /* Doing nothing is free */ | |
fca177d4 | 1194 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1195 | *p++ = 0; |
1196 | ||
1197 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1198 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1199 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1200 | } | |
1201 | ||
dfcf069d | 1202 | void |
6839f1e2 | 1203 | calculate_costs (struct frame *frame) |
08a24c47 | 1204 | { |
9f732a77 | 1205 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1206 | |
28d440ab | 1207 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1208 | { |
1209 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1210 | register char *f = (tty->TS_set_scroll_region | |
1211 | ? tty->TS_set_scroll_region | |
1212 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1213 | |
daf01701 | 1214 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1215 | |
daf01701 | 1216 | tty->costs_set = 1; |
08a24c47 | 1217 | |
daf01701 KL |
1218 | /* These variables are only used for terminal stuff. They are |
1219 | allocated once for the terminal frame of X-windows emacs, but not | |
1220 | used afterwards. | |
8dd0c7cb | 1221 | |
daf01701 KL |
1222 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1223 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1224 | |
daf01701 KL |
1225 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1226 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1227 | |
daf01701 KL |
1228 | if (char_ins_del_vector != 0) |
1229 | char_ins_del_vector | |
1230 | = (int *) xrealloc (char_ins_del_vector, | |
1231 | (sizeof (int) | |
1232 | + 2 * max_frame_cols * sizeof (int))); | |
1233 | else | |
1234 | char_ins_del_vector | |
1235 | = (int *) xmalloc (sizeof (int) | |
1236 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1237 | |
daf01701 KL |
1238 | bzero (char_ins_del_vector, (sizeof (int) |
1239 | + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1240 | |
daf01701 KL |
1241 | |
1242 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1243 | do_line_insertion_deletion_costs (frame, | |
1244 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1245 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1246 | f, f, 1); | |
1247 | else | |
1248 | do_line_insertion_deletion_costs (frame, | |
1249 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1250 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1251 | 0, 0, 1); | |
1252 | ||
1253 | calculate_ins_del_char_costs (frame); | |
1254 | ||
1255 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1256 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1257 | tty->RPov = string_cost (tty->TS_repeat); | |
1258 | else | |
1259 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1260 | |
daf01701 KL |
1261 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1262 | } | |
08a24c47 JB |
1263 | } |
1264 | \f | |
a796ac82 JB |
1265 | struct fkey_table { |
1266 | char *cap, *name; | |
1267 | }; | |
1268 | ||
01d8deb0 ER |
1269 | /* Termcap capability names that correspond directly to X keysyms. |
1270 | Some of these (marked "terminfo") aren't supplied by old-style | |
1271 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1272 | except we put the keypad keys first, so that if they clash with | |
1273 | other keys (as on the IBM PC keyboard) they get overridden. | |
1274 | */ | |
1275 | ||
a168702a GM |
1276 | static struct fkey_table keys[] = |
1277 | { | |
8103ad1a PJ |
1278 | {"kh", "home"}, /* termcap */ |
1279 | {"kl", "left"}, /* termcap */ | |
1280 | {"ku", "up"}, /* termcap */ | |
1281 | {"kr", "right"}, /* termcap */ | |
1282 | {"kd", "down"}, /* termcap */ | |
1283 | {"%8", "prior"}, /* terminfo */ | |
1284 | {"%5", "next"}, /* terminfo */ | |
1285 | {"@7", "end"}, /* terminfo */ | |
1286 | {"@1", "begin"}, /* terminfo */ | |
1287 | {"*6", "select"}, /* terminfo */ | |
1288 | {"%9", "print"}, /* terminfo */ | |
1289 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1290 | /* |
1291 | * "insert" --- see below | |
1292 | */ | |
8103ad1a PJ |
1293 | {"&8", "undo"}, /* terminfo */ |
1294 | {"%0", "redo"}, /* terminfo */ | |
1295 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1296 | {"@0", "find"}, /* terminfo */ | |
1297 | {"@2", "cancel"}, /* terminfo */ | |
1298 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1299 | /* |
1300 | * "break" goes here, but can't be reliably intercepted with termcap | |
1301 | */ | |
8103ad1a | 1302 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1303 | /* |
1304 | * "system" and "user" --- no termcaps | |
1305 | */ | |
8103ad1a PJ |
1306 | {"kE", "clearline"}, /* terminfo */ |
1307 | {"kA", "insertline"}, /* terminfo */ | |
1308 | {"kL", "deleteline"}, /* terminfo */ | |
1309 | {"kI", "insertchar"}, /* terminfo */ | |
1310 | {"kD", "deletechar"}, /* terminfo */ | |
1311 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1312 | /* |
1313 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1314 | */ | |
8103ad1a | 1315 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1316 | /* |
1317 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1318 | * "kp-multiply", "kp-add", "kp-separator", | |
1319 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1320 | * --- no termcaps for any of these. | |
1321 | */ | |
8103ad1a | 1322 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1323 | /* |
1324 | * "kp-2" --- no termcap | |
1325 | */ | |
8103ad1a | 1326 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1327 | /* |
1328 | * "kp-4" --- no termcap | |
1329 | */ | |
8103ad1a | 1330 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1331 | /* |
1332 | * "kp-6" --- no termcap | |
1333 | */ | |
8103ad1a | 1334 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1335 | /* |
1336 | * "kp-8" --- no termcap | |
1337 | */ | |
8103ad1a | 1338 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1339 | /* |
1340 | * "kp-equal" --- no termcap | |
1341 | */ | |
8103ad1a PJ |
1342 | {"k1", "f1"}, |
1343 | {"k2", "f2"}, | |
1344 | {"k3", "f3"}, | |
1345 | {"k4", "f4"}, | |
1346 | {"k5", "f5"}, | |
1347 | {"k6", "f6"}, | |
1348 | {"k7", "f7"}, | |
1349 | {"k8", "f8"}, | |
60ec7b7e DN |
1350 | {"k9", "f9"}, |
1351 | ||
1352 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1353 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1354 | {"*0", "S-find"}, /*shifted find key*/ | |
1355 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1356 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1357 | {"*7", "S-end"}, /*shifted end key*/ | |
1358 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1359 | {"#1", "S-help"}, /*shifted help key*/ | |
1360 | {"#2", "S-home"}, /*shifted home key*/ | |
1361 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1362 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1363 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1364 | {"%c", "S-next"}, /*shifted next key*/ | |
1365 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1366 | {"%f", "S-print"}, /*shifted print key*/ | |
1367 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1368 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1369 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1370 | }; |
1371 | ||
e7cf0fa0 KL |
1372 | static char **term_get_fkeys_address; |
1373 | static KBOARD *term_get_fkeys_kboard; | |
f2a00342 | 1374 | static Lisp_Object term_get_fkeys_1 (); |
465db27b | 1375 | |
4f4a84ec | 1376 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1377 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1378 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1379 | |
ed8dad6b | 1380 | static void |
e7cf0fa0 | 1381 | term_get_fkeys (address, kboard) |
5c2c7893 | 1382 | char **address; |
e7cf0fa0 | 1383 | KBOARD *kboard; |
f2a00342 RM |
1384 | { |
1385 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1386 | errors during the call. The only errors should be from Fdefine_key | |
1387 | when given a key sequence containing an invalid prefix key. If the | |
1388 | termcap defines function keys which use a prefix that is already bound | |
1389 | to a command by the default bindings, we should silently ignore that | |
1390 | function key specification, rather than giving the user an error and | |
1391 | refusing to run at all on such a terminal. */ | |
1392 | ||
1393 | extern Lisp_Object Fidentity (); | |
e7cf0fa0 KL |
1394 | term_get_fkeys_address = address; |
1395 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1396 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1397 | } | |
1398 | ||
1399 | static Lisp_Object | |
1400 | term_get_fkeys_1 () | |
5c2c7893 | 1401 | { |
5c2c7893 JB |
1402 | int i; |
1403 | ||
e7cf0fa0 KL |
1404 | char **address = term_get_fkeys_address; |
1405 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1406 | |
3e65092f | 1407 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1408 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1409 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1410 | |
5c2c7893 JB |
1411 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1412 | { | |
1413 | char *sequence = tgetstr (keys[i].cap, address); | |
1414 | if (sequence) | |
4f4a84ec | 1415 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1416 | Fmake_vector (make_number (1), |
1417 | intern (keys[i].name))); | |
5c2c7893 | 1418 | } |
a796ac82 JB |
1419 | |
1420 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1421 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1422 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1423 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1424 | */ | |
1425 | { | |
1426 | char *k_semi = tgetstr ("k;", address); | |
1427 | char *k0 = tgetstr ("k0", address); | |
1428 | char *k0_name = "f10"; | |
1429 | ||
1430 | if (k_semi) | |
1431 | { | |
95c11956 SM |
1432 | if (k0) |
1433 | /* Define f0 first, so that f10 takes precedence in case the | |
1434 | key sequences happens to be the same. */ | |
4f4a84ec | 1435 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1436 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1437 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1438 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1439 | } |
95c11956 | 1440 | else if (k0) |
4f4a84ec | 1441 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1442 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1443 | } |
01d8deb0 ER |
1444 | |
1445 | /* Set up cookies for numbered function keys above f10. */ | |
1446 | { | |
1447 | char fcap[3], fkey[4]; | |
1448 | ||
fc4f24da | 1449 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1450 | for (i = 11; i < 64; i++) |
1451 | { | |
1452 | if (i <= 19) | |
1453 | fcap[1] = '1' + i - 11; | |
1454 | else if (i <= 45) | |
b59ab95c | 1455 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1456 | else |
b59ab95c | 1457 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1458 | |
fc4f24da RS |
1459 | { |
1460 | char *sequence = tgetstr (fcap, address); | |
1461 | if (sequence) | |
1462 | { | |
465db27b | 1463 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1464 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1465 | Fmake_vector (make_number (1), |
1466 | intern (fkey))); | |
fc4f24da RS |
1467 | } |
1468 | } | |
01d8deb0 ER |
1469 | } |
1470 | } | |
1471 | ||
1472 | /* | |
1473 | * Various mappings to try and get a better fit. | |
1474 | */ | |
1475 | { | |
fc4f24da RS |
1476 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1477 | if (!tgetstr (cap1, address)) \ | |
1478 | { \ | |
1479 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1480 | if (sequence) \ |
4f4a84ec | 1481 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1482 | Fmake_vector (make_number (1), \ |
1483 | intern (sym))); \ | |
fc4f24da | 1484 | } |
177c0ea7 | 1485 | |
01d8deb0 | 1486 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1487 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1488 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1489 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1490 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1491 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1492 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1493 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1494 | |
1495 | /* IBM has their own non-standard dialect of terminfo. | |
1496 | If the standard name isn't found, try the IBM name. */ | |
1497 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1498 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1499 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1500 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1501 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1502 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1503 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1504 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1505 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1506 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1507 | } |
a168702a GM |
1508 | |
1509 | return Qnil; | |
5c2c7893 JB |
1510 | } |
1511 | ||
1512 | \f | |
a168702a GM |
1513 | /*********************************************************************** |
1514 | Character Display Information | |
1515 | ***********************************************************************/ | |
1516 | ||
47021b11 KS |
1517 | /* Avoid name clash with functions defined in xterm.c */ |
1518 | #ifdef static | |
1519 | #define append_glyph append_glyph_term | |
1520 | #define produce_stretch_glyph produce_stretch_glyph_term | |
4c12d738 KH |
1521 | #define append_composite_glyph append_composite_glyph_term |
1522 | #define produce_composite_glyph produce_composite_glyph_term | |
47021b11 KS |
1523 | #endif |
1524 | ||
a168702a | 1525 | static void append_glyph P_ ((struct it *)); |
6b61353c | 1526 | static void produce_stretch_glyph P_ ((struct it *)); |
4c12d738 KH |
1527 | static void append_composite_glyph P_ ((struct it *)); |
1528 | static void produce_composite_glyph P_ ((struct it *)); | |
a168702a GM |
1529 | |
1530 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1531 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1532 | the character for which to produce glyphs; IT->face_id contains the | |
1533 | character's face. Padding glyphs are appended if IT->c has a | |
1534 | IT->pixel_width > 1. */ | |
177c0ea7 | 1535 | |
a168702a GM |
1536 | static void |
1537 | append_glyph (it) | |
1538 | struct it *it; | |
1539 | { | |
1540 | struct glyph *glyph, *end; | |
1541 | int i; | |
1542 | ||
1543 | xassert (it->glyph_row); | |
1544 | glyph = (it->glyph_row->glyphs[it->area] | |
1545 | + it->glyph_row->used[it->area]); | |
1546 | end = it->glyph_row->glyphs[1 + it->area]; | |
1547 | ||
177c0ea7 JB |
1548 | for (i = 0; |
1549 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1550 | ++i) |
1551 | { | |
1552 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1553 | glyph->pixel_width = 1; |
d2b4c17d | 1554 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1555 | glyph->face_id = it->face_id; |
1556 | glyph->padding_p = i > 0; | |
a168702a GM |
1557 | glyph->charpos = CHARPOS (it->position); |
1558 | glyph->object = it->object; | |
177c0ea7 | 1559 | |
a168702a GM |
1560 | ++it->glyph_row->used[it->area]; |
1561 | ++glyph; | |
1562 | } | |
1563 | } | |
1564 | ||
1565 | ||
b50fe468 RS |
1566 | /* Produce glyphs for the display element described by IT. *IT |
1567 | specifies what we want to produce a glyph for (character, image, ...), | |
1568 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1569 | produce_glyphs fills in output fields of *IT with information such as the | |
1570 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1571 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1572 | struct display_iterator in dispextern.h for an overview. |
1573 | ||
1574 | produce_glyphs also stores the result of glyph width, ascent | |
1575 | etc. computations in *IT. | |
1576 | ||
1577 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1578 | actually fill in the glyphs. This is used in the move_* functions | |
1579 | in xdisp.c for text width and height computations. | |
1580 | ||
1581 | Callers usually don't call produce_glyphs directly; | |
1582 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1583 | |
177c0ea7 | 1584 | void |
a168702a GM |
1585 | produce_glyphs (it) |
1586 | struct it *it; | |
1587 | { | |
1588 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1589 | |
1590 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1591 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1592 | || it->what == IT_COMPOSITION |
a168702a | 1593 | || it->what == IT_STRETCH); |
177c0ea7 | 1594 | |
6b61353c KH |
1595 | if (it->what == IT_STRETCH) |
1596 | { | |
1597 | produce_stretch_glyph (it); | |
1598 | goto done; | |
1599 | } | |
1600 | ||
4c12d738 KH |
1601 | if (it->what == IT_COMPOSITION) |
1602 | { | |
1603 | produce_composite_glyph (it); | |
1604 | goto done; | |
1605 | } | |
a168702a | 1606 | |
d2b4c17d KH |
1607 | /* Maybe translate single-byte characters to multibyte. */ |
1608 | it->char_to_display = it->c; | |
1609 | ||
a168702a GM |
1610 | if (it->c >= 040 && it->c < 0177) |
1611 | { | |
1612 | it->pixel_width = it->nglyphs = 1; | |
1613 | if (it->glyph_row) | |
1614 | append_glyph (it); | |
1615 | } | |
1616 | else if (it->c == '\n') | |
1617 | it->pixel_width = it->nglyphs = 0; | |
1618 | else if (it->c == '\t') | |
1619 | { | |
2efdbcdd | 1620 | int absolute_x = (it->current_x |
a168702a | 1621 | + it->continuation_lines_width); |
177c0ea7 JB |
1622 | int next_tab_x |
1623 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1624 | / it->tab_width) |
1625 | * it->tab_width); | |
1626 | int nspaces; | |
1627 | ||
1628 | /* If part of the TAB has been displayed on the previous line | |
1629 | which is continued now, continuation_lines_width will have | |
1630 | been incremented already by the part that fitted on the | |
1631 | continued line. So, we will get the right number of spaces | |
1632 | here. */ | |
1633 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1634 | |
a168702a GM |
1635 | if (it->glyph_row) |
1636 | { | |
1637 | int n = nspaces; | |
177c0ea7 | 1638 | |
d2b4c17d | 1639 | it->char_to_display = ' '; |
a168702a | 1640 | it->pixel_width = it->len = 1; |
177c0ea7 | 1641 | |
a168702a GM |
1642 | while (n--) |
1643 | append_glyph (it); | |
a168702a GM |
1644 | } |
1645 | ||
1646 | it->pixel_width = nspaces; | |
1647 | it->nglyphs = nspaces; | |
1648 | } | |
c5a518df | 1649 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1650 | { |
5b203baa KH |
1651 | if (unibyte_display_via_language_environment |
1652 | && (it->c >= 0240)) | |
1653 | { | |
4c0354d7 | 1654 | it->char_to_display = BYTE8_TO_CHAR (it->c); |
5b203baa KH |
1655 | it->pixel_width = CHAR_WIDTH (it->char_to_display); |
1656 | it->nglyphs = it->pixel_width; | |
1657 | if (it->glyph_row) | |
1658 | append_glyph (it); | |
1659 | } | |
1660 | else | |
1661 | { | |
1662 | /* Coming here means that it->c is from display table, thus | |
1663 | we must send the raw 8-bit byte as is to the terminal. | |
1664 | Although there's no way to know how many columns it | |
1665 | occupies on a screen, it is a good assumption that a | |
1666 | single byte code has 1-column width. */ | |
1667 | it->pixel_width = it->nglyphs = 1; | |
1668 | if (it->glyph_row) | |
1669 | append_glyph (it); | |
1670 | } | |
add44890 | 1671 | } |
a168702a GM |
1672 | else |
1673 | { | |
9332ea03 | 1674 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1675 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1676 | |
a168702a GM |
1677 | if (it->glyph_row) |
1678 | append_glyph (it); | |
1679 | } | |
1680 | ||
6b61353c | 1681 | done: |
177c0ea7 | 1682 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1683 | the caller. */ |
1684 | if (it->area == TEXT_AREA) | |
1685 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1686 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1687 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1688 | } |
1689 | ||
1690 | ||
6b61353c KH |
1691 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1692 | of the glyph property displayed. The value must be a list | |
1693 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1694 | being recognized: | |
1695 | ||
1696 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1697 | canonical char width wide. WIDTH may be an integer or floating | |
1698 | point number. | |
1699 | ||
1700 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1701 | to reach HPOS, a value in canonical character units. */ | |
1702 | ||
1703 | static void | |
1704 | produce_stretch_glyph (it) | |
1705 | struct it *it; | |
1706 | { | |
1707 | /* (space :width WIDTH ...) */ | |
1708 | Lisp_Object prop, plist; | |
1709 | int width = 0, align_to = -1; | |
1710 | int zero_width_ok_p = 0; | |
1711 | double tem; | |
1712 | ||
1713 | /* List should start with `space'. */ | |
1714 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1715 | plist = XCDR (it->object); | |
1716 | ||
1717 | /* Compute the width of the stretch. */ | |
1718 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1719 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1720 | { | |
1721 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1722 | zero_width_ok_p = 1; | |
1723 | width = (int)(tem + 0.5); | |
1724 | } | |
1725 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1726 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1727 | { | |
1728 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1729 | align_to = (align_to < 0 |
6b61353c KH |
1730 | ? 0 |
1731 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1732 | else if (align_to < 0) | |
1733 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1734 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1735 | zero_width_ok_p = 1; | |
1736 | } | |
1737 | else | |
1738 | /* Nothing specified -> width defaults to canonical char width. */ | |
1739 | width = FRAME_COLUMN_WIDTH (it->f); | |
1740 | ||
1741 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1742 | width = 1; | |
1743 | ||
d5221487 CY |
1744 | if (width > 0 && it->line_wrap != TRUNCATE |
1745 | && it->current_x + width > it->last_visible_x) | |
1746 | width = it->last_visible_x - it->current_x - 1; | |
1747 | ||
6b61353c KH |
1748 | if (width > 0 && it->glyph_row) |
1749 | { | |
1750 | Lisp_Object o_object = it->object; | |
1751 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1752 | int n = width; | |
6b61353c KH |
1753 | |
1754 | if (!STRINGP (object)) | |
1755 | object = it->w->buffer; | |
1756 | it->object = object; | |
d2b4c17d | 1757 | it->char_to_display = ' '; |
6b61353c KH |
1758 | it->pixel_width = it->len = 1; |
1759 | while (n--) | |
1760 | append_glyph (it); | |
1761 | it->object = o_object; | |
6b61353c KH |
1762 | } |
1763 | it->pixel_width = width; | |
1764 | it->nglyphs = width; | |
1765 | } | |
1766 | ||
1767 | ||
4c12d738 KH |
1768 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1769 | Called from produce_composite_glyph for terminal frames if | |
1770 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1771 | face. */ | |
1772 | ||
1773 | static void | |
1774 | append_composite_glyph (it) | |
1775 | struct it *it; | |
1776 | { | |
1777 | struct glyph *glyph; | |
1778 | ||
1779 | xassert (it->glyph_row); | |
1780 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1781 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1782 | { | |
1783 | glyph->type = COMPOSITE_GLYPH; | |
1784 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1785 | glyph->u.cmp.id = it->cmp_it.id; |
1786 | if (it->cmp_it.ch < 0) | |
1787 | { | |
1788 | glyph->u.cmp.automatic = 0; | |
1789 | glyph->u.cmp.id = it->cmp_it.id; | |
1790 | } | |
1791 | else | |
1792 | { | |
1793 | glyph->u.cmp.automatic = 1; | |
1794 | glyph->u.cmp.id = it->cmp_it.id; | |
1795 | glyph->u.cmp.from = it->cmp_it.from; | |
285e85c6 | 1796 | glyph->u.cmp.to = it->cmp_it.to - 1; |
75a10786 KH |
1797 | } |
1798 | ||
4c12d738 KH |
1799 | glyph->face_id = it->face_id; |
1800 | glyph->padding_p = 0; | |
1801 | glyph->charpos = CHARPOS (it->position); | |
1802 | glyph->object = it->object; | |
1803 | ||
1804 | ++it->glyph_row->used[it->area]; | |
1805 | ++glyph; | |
1806 | } | |
1807 | } | |
1808 | ||
1809 | ||
1810 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1811 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1812 | assuming that the terminal has a capability to layout/render it |
1813 | correctly. */ | |
4c12d738 KH |
1814 | |
1815 | static void | |
1816 | produce_composite_glyph (it) | |
1817 | struct it *it; | |
1818 | { | |
4c12d738 KH |
1819 | int c; |
1820 | ||
75a10786 KH |
1821 | if (it->cmp_it.ch < 0) |
1822 | { | |
1823 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1824 | ||
d0984aff | 1825 | it->pixel_width = cmp->width; |
75a10786 KH |
1826 | } |
1827 | else | |
1828 | { | |
1829 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1830 | |
75a10786 KH |
1831 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1832 | it->cmp_it.to, NULL); | |
1833 | } | |
1834 | it->nglyphs = 1; | |
4c12d738 KH |
1835 | if (it->glyph_row) |
1836 | append_composite_glyph (it); | |
1837 | } | |
1838 | ||
1839 | ||
a168702a GM |
1840 | /* Get information about special display element WHAT in an |
1841 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1842 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1843 | non-null glyph_row member. This function ensures that fields like | |
1844 | face_id, c, len of IT are left untouched. */ | |
1845 | ||
1846 | void | |
1847 | produce_special_glyphs (it, what) | |
1848 | struct it *it; | |
1849 | enum display_element_type what; | |
1850 | { | |
1851 | struct it temp_it; | |
f4d953fc | 1852 | Lisp_Object gc; |
072d84a6 | 1853 | GLYPH glyph; |
177c0ea7 | 1854 | |
a168702a GM |
1855 | temp_it = *it; |
1856 | temp_it.dp = NULL; | |
1857 | temp_it.what = IT_CHARACTER; | |
1858 | temp_it.len = 1; | |
7c752c80 | 1859 | temp_it.object = make_number (0); |
a168702a GM |
1860 | bzero (&temp_it.current, sizeof temp_it.current); |
1861 | ||
1862 | if (what == IT_CONTINUATION) | |
1863 | { | |
1864 | /* Continuation glyph. */ | |
f4d953fc | 1865 | SET_GLYPH_FROM_CHAR (glyph, '\\'); |
a168702a | 1866 | if (it->dp |
f4d953fc KS |
1867 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1868 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1869 | { |
f4d953fc KS |
1870 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1871 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1872 | } |
a168702a GM |
1873 | } |
1874 | else if (what == IT_TRUNCATION) | |
1875 | { | |
1876 | /* Truncation glyph. */ | |
f4d953fc | 1877 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1878 | if (it->dp |
f4d953fc KS |
1879 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1880 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1881 | { |
f4d953fc KS |
1882 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1883 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1884 | } |
a168702a GM |
1885 | } |
1886 | else | |
1887 | abort (); | |
072d84a6 | 1888 | |
f4d953fc KS |
1889 | temp_it.c = GLYPH_CHAR (glyph); |
1890 | temp_it.face_id = GLYPH_FACE (glyph); | |
072d84a6 RS |
1891 | temp_it.len = CHAR_BYTES (temp_it.c); |
1892 | ||
1893 | produce_glyphs (&temp_it); | |
1894 | it->pixel_width = temp_it.pixel_width; | |
1895 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1896 | } |
1897 | ||
1898 | ||
a168702a GM |
1899 | \f |
1900 | /*********************************************************************** | |
1901 | Faces | |
1902 | ***********************************************************************/ | |
1903 | ||
4e6ba4a4 GM |
1904 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1905 | one of the enumerators from enum no_color_bit, or a bit set built | |
1906 | from them. Some display attributes may not be used together with | |
1907 | color; the termcap capability `NC' specifies which ones. */ | |
1908 | ||
fca177d4 KL |
1909 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1910 | (tty->TN_max_colors > 0 \ | |
1911 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1912 | : 1) | |
a168702a | 1913 | |
072d84a6 RS |
1914 | /* Turn appearances of face FACE_ID on tty frame F on. |
1915 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1916 | |
1917 | static void | |
1918 | turn_on_face (f, face_id) | |
1919 | struct frame *f; | |
1920 | int face_id; | |
1921 | { | |
1922 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1923 | long fg = face->foreground; |
1924 | long bg = face->background; | |
28d7d09f | 1925 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1926 | |
86a7d192 GM |
1927 | /* Do this first because TS_end_standout_mode may be the same |
1928 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1929 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1930 | { |
fca177d4 | 1931 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1932 | { |
1933 | if (fg >= 0 && bg >= 0) | |
1934 | { | |
1935 | /* If the terminal supports colors, we can set them | |
1936 | below without using reverse video. The face's fg | |
1937 | and bg colors are set as they should appear on | |
1938 | the screen, i.e. they take the inverse-video'ness | |
1939 | of the face already into account. */ | |
1940 | } | |
1941 | else if (inverse_video) | |
1942 | { | |
1943 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1944 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1945 | tty_toggle_highlight (tty); |
86a7d192 GM |
1946 | } |
1947 | else | |
1948 | { | |
1949 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1950 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1951 | tty_toggle_highlight (tty); |
86a7d192 GM |
1952 | } |
1953 | } | |
1954 | else | |
1955 | { | |
1956 | /* If we can't display colors, use reverse video | |
1957 | if the face specifies that. */ | |
37526b42 GM |
1958 | if (inverse_video) |
1959 | { | |
1960 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1961 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1962 | tty_toggle_highlight (tty); |
37526b42 GM |
1963 | } |
1964 | else | |
1965 | { | |
1966 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1967 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1968 | tty_toggle_highlight (tty); |
37526b42 | 1969 | } |
86a7d192 GM |
1970 | } |
1971 | } | |
a168702a | 1972 | |
4189ed40 CY |
1973 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1974 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1975 | ||
1976 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
1977 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
1978 | |
1979 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 1980 | if (face->tty_alt_charset_p |
fca177d4 KL |
1981 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
1982 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 1983 | |
4e6ba4a4 | 1984 | if (face->tty_blinking_p |
fca177d4 KL |
1985 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
1986 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 1987 | |
fca177d4 KL |
1988 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1989 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1990 | |
fca177d4 | 1991 | if (tty->TN_max_colors > 0) |
a168702a | 1992 | { |
753d161b | 1993 | char *ts, *p; |
177c0ea7 | 1994 | |
fbf34973 | 1995 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1996 | if (fg >= 0 && ts) |
a168702a | 1997 | { |
fbf34973 | 1998 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 1999 | OUTPUT (tty, p); |
a168702a GM |
2000 | xfree (p); |
2001 | } | |
2002 | ||
fbf34973 | 2003 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2004 | if (bg >= 0 && ts) |
a168702a | 2005 | { |
fbf34973 | 2006 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2007 | OUTPUT (tty, p); |
a168702a GM |
2008 | xfree (p); |
2009 | } | |
2010 | } | |
2011 | } | |
177c0ea7 | 2012 | |
a168702a GM |
2013 | |
2014 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2015 | ||
2016 | static void | |
2017 | turn_off_face (f, face_id) | |
2018 | struct frame *f; | |
2019 | int face_id; | |
2020 | { | |
2021 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2022 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2023 | |
2024 | xassert (face != NULL); | |
2025 | ||
fca177d4 | 2026 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2027 | { |
2028 | /* Capability "me" will turn off appearance modes double-bright, | |
2029 | half-bright, reverse-video, standout, underline. It may or | |
2030 | may not turn off alt-char-mode. */ | |
2031 | if (face->tty_bold_p | |
2032 | || face->tty_dim_p | |
2033 | || face->tty_reverse_p | |
2034 | || face->tty_alt_charset_p | |
2035 | || face->tty_blinking_p | |
2036 | || face->tty_underline_p) | |
65aa5e85 | 2037 | { |
fca177d4 KL |
2038 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2039 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2040 | tty->standout_mode = 0; | |
65aa5e85 | 2041 | } |
a168702a GM |
2042 | |
2043 | if (face->tty_alt_charset_p) | |
fca177d4 | 2044 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2045 | } |
2046 | else | |
2047 | { | |
2048 | /* If we don't have "me" we can only have those appearances | |
2049 | that have exit sequences defined. */ | |
2050 | if (face->tty_alt_charset_p) | |
fca177d4 | 2051 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2052 | |
54800acb | 2053 | if (face->tty_underline_p) |
fca177d4 | 2054 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2055 | } |
2056 | ||
2057 | /* Switch back to default colors. */ | |
fca177d4 | 2058 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2059 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2060 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2061 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2062 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2063 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2064 | } |
177c0ea7 JB |
2065 | |
2066 | ||
b63a55ac MB |
2067 | /* Return non-zero if the terminal on frame F supports all of the |
2068 | capabilities in CAPS simultaneously, with foreground and background | |
2069 | colors FG and BG. */ | |
2070 | ||
4a8130f2 | 2071 | int |
fca177d4 | 2072 | tty_capable_p (tty, caps, fg, bg) |
28d7d09f | 2073 | struct tty_display_info *tty; |
b63a55ac MB |
2074 | unsigned caps; |
2075 | unsigned long fg, bg; | |
2076 | { | |
fca177d4 KL |
2077 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2078 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2079 | return 0; |
2080 | ||
fca177d4 KL |
2081 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2082 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2083 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2084 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2085 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2086 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2087 | |
2088 | /* We can do it! */ | |
2089 | return 1; | |
2090 | } | |
2091 | ||
a168702a GM |
2092 | /* Return non-zero if the terminal is capable to display colors. */ |
2093 | ||
2094 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2095 | 0, 1, 0, |
6ed8eeff KL |
2096 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2097 | ||
401e9e57 CY |
2098 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2099 | selected frame's terminal). This function always returns nil if | |
2100 | TERMINAL does not refer to a text-only terminal. */) | |
6ed8eeff KL |
2101 | (terminal) |
2102 | Lisp_Object terminal; | |
a168702a | 2103 | { |
717a00ef | 2104 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2105 | if (!t) |
428a555e | 2106 | return Qnil; |
3224dac1 | 2107 | else |
6ed8eeff | 2108 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2109 | } |
2110 | ||
bfa62f96 EZ |
2111 | /* Return the number of supported colors. */ |
2112 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2113 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2114 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2115 | ||
401e9e57 CY |
2116 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2117 | selected frame's terminal). This function always returns 0 if | |
2118 | TERMINAL does not refer to a text-only terminal. */) | |
6ed8eeff KL |
2119 | (terminal) |
2120 | Lisp_Object terminal; | |
bfa62f96 | 2121 | { |
717a00ef | 2122 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2123 | if (!t) |
8c8d5f35 | 2124 | return make_number (0); |
3224dac1 | 2125 | else |
6ed8eeff | 2126 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2127 | } |
2128 | ||
84704c5c | 2129 | #ifndef DOS_NT |
a168702a | 2130 | |
5205ee62 GM |
2131 | /* Declare here rather than in the function, as in the rest of Emacs, |
2132 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2133 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2134 | static int default_max_colors; |
2135 | static int default_max_pairs; | |
2136 | static int default_no_color_video; | |
2137 | static char *default_orig_pair; | |
2138 | static char *default_set_foreground; | |
2139 | static char *default_set_background; | |
fcf8ff2e | 2140 | |
ace28297 EZ |
2141 | /* Save or restore the default color-related capabilities of this |
2142 | terminal. */ | |
2143 | static void | |
28d7d09f | 2144 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2145 | { |
ace28297 EZ |
2146 | |
2147 | if (save) | |
2148 | { | |
70fdbb46 | 2149 | xfree (default_orig_pair); |
fca177d4 | 2150 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2151 | |
70fdbb46 | 2152 | xfree (default_set_foreground); |
fca177d4 | 2153 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2154 | : NULL; |
2155 | ||
70fdbb46 | 2156 | xfree (default_set_background); |
fca177d4 | 2157 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2158 | : NULL; |
2159 | ||
fca177d4 KL |
2160 | default_max_colors = tty->TN_max_colors; |
2161 | default_max_pairs = tty->TN_max_pairs; | |
2162 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2163 | } |
2164 | else | |
2165 | { | |
fca177d4 KL |
2166 | tty->TS_orig_pair = default_orig_pair; |
2167 | tty->TS_set_foreground = default_set_foreground; | |
2168 | tty->TS_set_background = default_set_background; | |
2169 | tty->TN_max_colors = default_max_colors; | |
2170 | tty->TN_max_pairs = default_max_pairs; | |
2171 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2172 | } |
2173 | } | |
2174 | ||
2175 | /* Setup one of the standard tty color schemes according to MODE. | |
2176 | MODE's value is generally the number of colors which we want to | |
2177 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2178 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2179 | static void |
28d7d09f | 2180 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2181 | { |
6b61353c KH |
2182 | /* Canonicalize all negative values of MODE. */ |
2183 | if (mode < -1) | |
2184 | mode = -1; | |
2185 | ||
ace28297 EZ |
2186 | switch (mode) |
2187 | { | |
2188 | case -1: /* no colors at all */ | |
fca177d4 KL |
2189 | tty->TN_max_colors = 0; |
2190 | tty->TN_max_pairs = 0; | |
2191 | tty->TN_no_color_video = 0; | |
2192 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2193 | break; |
2194 | case 0: /* default colors, if any */ | |
2195 | default: | |
fca177d4 | 2196 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2197 | break; |
2198 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2199 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2200 | #ifdef TERMINFO |
fca177d4 KL |
2201 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2202 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2203 | #else |
fca177d4 KL |
2204 | tty->TS_set_foreground = "\033[3%dm"; |
2205 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2206 | #endif |
fca177d4 KL |
2207 | tty->TN_max_colors = 8; |
2208 | tty->TN_max_pairs = 64; | |
2209 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2210 | break; |
2211 | } | |
2212 | } | |
2213 | ||
2214 | void | |
9b2cd403 SM |
2215 | set_tty_color_mode (tty, f) |
2216 | struct tty_display_info *tty; | |
ace28297 | 2217 | struct frame *f; |
ace28297 | 2218 | { |
9b2cd403 SM |
2219 | Lisp_Object tem, val, color_mode_spec; |
2220 | Lisp_Object color_mode; | |
2221 | int mode; | |
ace28297 | 2222 | extern Lisp_Object Qtty_color_mode; |
9b2cd403 SM |
2223 | Lisp_Object tty_color_mode_alist |
2224 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2225 | |
c23b5410 | 2226 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2227 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2228 | |
6b61353c | 2229 | if (INTEGERP (val)) |
ace28297 EZ |
2230 | color_mode = val; |
2231 | else | |
2232 | { | |
9b2cd403 SM |
2233 | tem = (NILP (tty_color_mode_alist) ? Qnil |
2234 | : Fassq (val, XSYMBOL (tty_color_mode_alist)->value)); | |
2235 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; | |
ace28297 | 2236 | } |
6b61353c | 2237 | |
9b2cd403 | 2238 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2239 | |
9b2cd403 | 2240 | if (mode != tty->previous_color_mode) |
ace28297 | 2241 | { |
9b2cd403 SM |
2242 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2243 | tty->previous_color_mode = mode; | |
2244 | tty_setup_colors (tty , mode); | |
2245 | /* This recomputes all the faces given the new color definitions. */ | |
2246 | safe_call (1, &funsym); | |
ace28297 EZ |
2247 | } |
2248 | } | |
2249 | ||
84704c5c | 2250 | #endif /* !DOS_NT */ |
a168702a GM |
2251 | |
2252 | \f | |
28d440ab | 2253 | |
6ed8eeff | 2254 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2255 | |
6ed8eeff | 2256 | struct terminal * |
717a00ef | 2257 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2258 | { |
717a00ef | 2259 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2260 | |
84704c5c | 2261 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2262 | { |
2263 | if (throw) | |
2264 | error ("Device %d is not a termcap terminal device", t->id); | |
2265 | else | |
2266 | return NULL; | |
2267 | } | |
b6660415 | 2268 | |
6ed8eeff | 2269 | return t; |
b6660415 KL |
2270 | } |
2271 | ||
ab797f65 KL |
2272 | /* Return an active termcap device that uses the tty device with the |
2273 | given name. | |
b6660415 | 2274 | |
7e59217d | 2275 | This function ignores suspended devices. |
da8e1115 KL |
2276 | |
2277 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2278 | |
6ed8eeff | 2279 | struct terminal * |
7e59217d | 2280 | get_named_tty (name) |
28d440ab KL |
2281 | char *name; |
2282 | { | |
6ed8eeff KL |
2283 | struct terminal *t; |
2284 | ||
ab797f65 KL |
2285 | if (!name) |
2286 | abort (); | |
2287 | ||
2288 | for (t = terminal_list; t; t = t->next_terminal) | |
2289 | { | |
5cc67f65 | 2290 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2291 | && !strcmp (t->display_info.tty->name, name) |
2292 | && TERMINAL_ACTIVE_P (t)) | |
2293 | return t; | |
2294 | } | |
28d440ab KL |
2295 | |
2296 | return 0; | |
2297 | } | |
2298 | ||
2299 | \f | |
6ed8eeff KL |
2300 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2301 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2302 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2303 | |
401e9e57 CY |
2304 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2305 | selected frame's terminal). */) | |
6ed8eeff KL |
2306 | (terminal) |
2307 | Lisp_Object terminal; | |
b6660415 | 2308 | { |
6ed8eeff | 2309 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2310 | |
84704c5c | 2311 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2312 | return Qnil; |
2313 | ||
6ed8eeff KL |
2314 | if (t->display_info.tty->type) |
2315 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2316 | else |
2317 | return Qnil; | |
2318 | } | |
2319 | ||
6ed8eeff | 2320 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2321 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2322 | |
401e9e57 CY |
2323 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2324 | selected frame's terminal). This function always returns nil if | |
2325 | TERMINAL is not on a tty device. */) | |
6ed8eeff KL |
2326 | (terminal) |
2327 | Lisp_Object terminal; | |
4a933ef8 | 2328 | { |
6ed8eeff | 2329 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2330 | |
84704c5c EZ |
2331 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2332 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2333 | return Qnil; |
2334 | else | |
2335 | return Qt; | |
2336 | } | |
2337 | ||
a3fbb897 | 2338 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2339 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2340 | This is used to override the terminfo data, for certain terminals that |
2341 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2342 | no effect if used on a non-tty terminal. |
a3fbb897 | 2343 | |
401e9e57 CY |
2344 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2345 | selected frame's terminal). This function always returns nil if | |
2346 | TERMINAL does not refer to a text-only terminal. */) | |
6ed8eeff KL |
2347 | (terminal) |
2348 | Lisp_Object terminal; | |
a3fbb897 | 2349 | { |
6ed8eeff | 2350 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2351 | |
6ed8eeff KL |
2352 | if (t->type == output_termcap) |
2353 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2354 | return Qnil; |
2355 | } | |
2356 | ||
ed8dad6b KL |
2357 | \f |
2358 | ||
2359 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2360 | doc: /* Suspend the terminal device TTY. | |
2361 | ||
2362 | The device is restored to its default state, and Emacs ceases all | |
2363 | access to the tty device. Frames that use the device are not deleted, | |
2364 | but input is not read from them and if they change, their display is | |
2365 | not updated. | |
2366 | ||
401e9e57 CY |
2367 | TTY may be a terminal object, a frame, or nil for the terminal device |
2368 | of the currently selected frame. | |
ed8dad6b | 2369 | |
e4019195 | 2370 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2371 | device. The functions are run with one arg, the id of the suspended |
2372 | terminal device. | |
2373 | ||
2374 | `suspend-tty' does nothing if it is called on a device that is already | |
2375 | suspended. | |
2376 | ||
2377 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
2378 | (tty) | |
2379 | Lisp_Object tty; | |
2380 | { | |
717a00ef | 2381 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2382 | FILE *f; |
f4d953fc | 2383 | |
6ed8eeff | 2384 | if (!t) |
ed8dad6b KL |
2385 | error ("Unknown tty device"); |
2386 | ||
6ed8eeff | 2387 | f = t->display_info.tty->input; |
f4d953fc | 2388 | |
ed8dad6b KL |
2389 | if (f) |
2390 | { | |
23d4cba5 DN |
2391 | /* First run `suspend-tty-functions' and then clean up the tty |
2392 | state because `suspend-tty-functions' might need to change | |
2393 | the tty state. */ | |
2394 | if (!NILP (Vrun_hooks)) | |
2395 | { | |
2396 | Lisp_Object args[2]; | |
2397 | args[0] = intern ("suspend-tty-functions"); | |
2398 | XSETTERMINAL (args[1], t); | |
2399 | Frun_hook_with_args (2, args); | |
2400 | } | |
2401 | ||
6ed8eeff | 2402 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2403 | |
84704c5c | 2404 | #ifdef subprocesses |
ed8dad6b | 2405 | delete_keyboard_wait_descriptor (fileno (f)); |
84704c5c | 2406 | #endif |
f4d953fc | 2407 | |
84704c5c | 2408 | #ifndef MSDOS |
ed8dad6b | 2409 | fclose (f); |
6ed8eeff KL |
2410 | if (f != t->display_info.tty->output) |
2411 | fclose (t->display_info.tty->output); | |
84704c5c | 2412 | #endif |
f4d953fc | 2413 | |
6ed8eeff KL |
2414 | t->display_info.tty->input = 0; |
2415 | t->display_info.tty->output = 0; | |
ed8dad6b | 2416 | |
6ed8eeff KL |
2417 | if (FRAMEP (t->display_info.tty->top_frame)) |
2418 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2419 | |
ed8dad6b KL |
2420 | } |
2421 | ||
4a665758 KL |
2422 | /* Clear display hooks to prevent further output. */ |
2423 | clear_tty_hooks (t); | |
2424 | ||
ed8dad6b KL |
2425 | return Qnil; |
2426 | } | |
2427 | ||
2428 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2429 | doc: /* Resume the previously suspended terminal device TTY. | |
2430 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2431 | suspended terminal are revived. |
ed8dad6b | 2432 | |
6ed8eeff KL |
2433 | It is an error to resume a terminal while another terminal is active |
2434 | on the same device. | |
ed8dad6b | 2435 | |
e4019195 | 2436 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2437 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2438 | device. |
2439 | ||
2440 | `resume-tty' does nothing if it is called on a device that is not | |
2441 | suspended. | |
2442 | ||
401e9e57 CY |
2443 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2444 | frame's terminal). */) | |
ed8dad6b KL |
2445 | (tty) |
2446 | Lisp_Object tty; | |
2447 | { | |
717a00ef | 2448 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2449 | int fd; |
2450 | ||
6ed8eeff | 2451 | if (!t) |
ed8dad6b KL |
2452 | error ("Unknown tty device"); |
2453 | ||
6ed8eeff | 2454 | if (!t->display_info.tty->input) |
ed8dad6b | 2455 | { |
6ed8eeff | 2456 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2457 | error ("Cannot resume display while another display is active on the same device"); |
2458 | ||
84704c5c EZ |
2459 | #ifdef MSDOS |
2460 | t->display_info.tty->output = stdout; | |
2461 | t->display_info.tty->input = stdin; | |
2462 | #else /* !MSDOS */ | |
6ed8eeff | 2463 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2464 | |
59b3194c KL |
2465 | if (fd == -1) |
2466 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2467 | |
78048085 | 2468 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2469 | dissociate_if_controlling_tty (fd); |
78048085 | 2470 | |
6ed8eeff KL |
2471 | t->display_info.tty->output = fdopen (fd, "w+"); |
2472 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2473 | #endif |
78048085 | 2474 | |
84704c5c | 2475 | #ifdef subprocesses |
ed8dad6b | 2476 | add_keyboard_wait_descriptor (fd); |
84704c5c | 2477 | #endif |
ed8dad6b | 2478 | |
6ed8eeff | 2479 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2480 | { |
2481 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2482 | int width, height; | |
2483 | int old_height = FRAME_COLS (f); | |
2484 | int old_width = FRAME_LINES (f); | |
2485 | ||
2486 | /* Check if terminal/window size has changed while the frame | |
2487 | was suspended. */ | |
2488 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2489 | if (width != old_width || height != old_height) | |
2490 | change_frame_size (f, height, width, 0, 0, 0); | |
2491 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2492 | } | |
ed8dad6b | 2493 | |
6ed8eeff | 2494 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2495 | |
e4019195 | 2496 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2497 | if (!NILP (Vrun_hooks)) |
2498 | { | |
2499 | Lisp_Object args[2]; | |
e4019195 | 2500 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2501 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2502 | Frun_hook_with_args (2, args); |
2503 | } | |
2504 | } | |
2505 | ||
4a665758 KL |
2506 | set_tty_hooks (t); |
2507 | ||
ed8dad6b KL |
2508 | return Qnil; |
2509 | } | |
a3fbb897 | 2510 | |
819b8f00 | 2511 | \f |
e882229c NR |
2512 | /*********************************************************************** |
2513 | Mouse | |
2514 | ***********************************************************************/ | |
2515 | ||
7e5a23bd | 2516 | #ifdef HAVE_GPM |
5faa03ba RS |
2517 | void |
2518 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2519 | { |
1ec5dc77 | 2520 | /* TODO: how to set mouse position? |
94da14a0 NR |
2521 | const char *name; |
2522 | int fd; | |
2523 | name = (const char *) ttyname (0); | |
2524 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2525 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2526 | close (fd); |
2527 | last_mouse_x = x; | |
80fb2ce0 | 2528 | last_mouse_y = y; */ |
94da14a0 NR |
2529 | } |
2530 | ||
e882229c NR |
2531 | static void |
2532 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2533 | { | |
6178ce5e | 2534 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2535 | int save_x, save_y; |
1ec5dc77 | 2536 | int i; |
e882229c | 2537 | |
7be1c21a MB |
2538 | struct frame *f = XFRAME (w->frame); |
2539 | struct tty_display_info *tty = FRAME_TTY (f); | |
2540 | ||
e882229c NR |
2541 | if (/* If window is in the process of being destroyed, don't bother |
2542 | to do anything. */ | |
2543 | w->current_matrix != NULL | |
2544 | /* Recognize when we are called to operate on rows that don't exist | |
2545 | anymore. This can happen when a window is split. */ | |
2546 | && mouse_face_end_row < w->current_matrix->nrows) | |
2547 | { | |
2548 | /* write_glyphs writes at cursor position, so we need to | |
2549 | temporarily move cursor coordinates to the beginning of | |
2550 | the highlight region. */ | |
f4d953fc | 2551 | |
e882229c | 2552 | /* Save current cursor co-ordinates */ |
7be1c21a MB |
2553 | save_y = curY (tty); |
2554 | save_x = curX (tty); | |
e882229c NR |
2555 | |
2556 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2557 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2558 | { | |
2559 | int start_hpos, end_hpos, nglyphs; | |
2560 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2561 | ||
2562 | /* Don't do anything if row doesn't have valid contents. */ | |
2563 | if (!row->enabled_p) | |
2564 | continue; | |
2565 | ||
2566 | /* For all but the first row, the highlight starts at column 0. */ | |
2567 | if (i == mouse_face_beg_row) | |
2568 | start_hpos = mouse_face_beg_col; | |
2569 | else | |
2570 | start_hpos = 0; | |
2571 | ||
2572 | if (i == mouse_face_end_row) | |
2573 | end_hpos = mouse_face_end_col; | |
2574 | else | |
2575 | { | |
2576 | end_hpos = row->used[TEXT_AREA]; | |
2577 | if (draw == DRAW_NORMAL_TEXT) | |
2578 | row->fill_line_p = 1; /* Clear to end of line */ | |
2579 | } | |
2580 | ||
2581 | if (end_hpos <= start_hpos) | |
2582 | continue; | |
2583 | /* Record that some glyphs of this row are displayed in | |
2584 | mouse-face. */ | |
2585 | row->mouse_face_p = draw > 0; | |
2586 | ||
2587 | nglyphs = end_hpos - start_hpos; | |
2588 | ||
2589 | if (end_hpos >= row->used[TEXT_AREA]) | |
2590 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2591 | ||
2592 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2593 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2594 | + WINDOW_LEFT_EDGE_X (w); | |
f4d953fc | 2595 | |
7be1c21a | 2596 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2597 | |
2598 | if (draw == DRAW_MOUSE_FACE) | |
2599 | { | |
7be1c21a | 2600 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2601 | nglyphs, mouse_face_face_id); |
2602 | } | |
2603 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2604 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2605 | } |
7be1c21a | 2606 | cursor_to (f, save_y, save_x); |
e882229c NR |
2607 | } |
2608 | } | |
2609 | ||
2610 | static void | |
2611 | term_clear_mouse_face () | |
2612 | { | |
6178ce5e | 2613 | if (!NILP (mouse_face_window)) |
e882229c NR |
2614 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2615 | ||
2616 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2617 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2618 | mouse_face_window = Qnil; |
e882229c NR |
2619 | } |
2620 | ||
2621 | /* Find the glyph matrix position of buffer position POS in window W. | |
2622 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2623 | must be up to date. If POS is above window start return (0, 0). | |
2624 | If POS is after end of W, return end of last line in W. | |
2625 | - taken from msdos.c */ | |
2626 | static int | |
2627 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2628 | { | |
2629 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2630 | int yb = window_text_bottom_y (w); | |
2631 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2632 | ||
2633 | while (row->y < yb) | |
2634 | { | |
2635 | if (row->used[TEXT_AREA]) | |
2636 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2637 | else | |
2638 | line_start_position = 0; | |
2639 | ||
2640 | if (line_start_position > pos) | |
2641 | break; | |
2642 | /* If the position sought is the end of the buffer, | |
2643 | don't include the blank lines at the bottom of the window. */ | |
2644 | else if (line_start_position == pos | |
2645 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2646 | { | |
2647 | maybe_next_line_p = 1; | |
2648 | break; | |
2649 | } | |
2650 | else if (line_start_position > 0) | |
2651 | best_row = row; | |
2652 | ||
2653 | /* Don't overstep the last matrix row, lest we get into the | |
2654 | never-never land... */ | |
2655 | if (row->y + 1 >= yb) | |
2656 | break; | |
2657 | ||
2658 | ++row; | |
2659 | } | |
2660 | ||
2661 | /* Find the right column within BEST_ROW. */ | |
2662 | lastcol = 0; | |
2663 | row = best_row; | |
2664 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2665 | { | |
2666 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2667 | int charpos; | |
2668 | ||
2669 | charpos = glyph->charpos; | |
2670 | if (charpos == pos) | |
2671 | { | |
2672 | *hpos = i; | |
2673 | *vpos = row->y; | |
2674 | return 1; | |
2675 | } | |
2676 | else if (charpos > pos) | |
2677 | break; | |
2678 | else if (charpos > 0) | |
2679 | lastcol = i; | |
2680 | } | |
2681 | ||
2682 | /* If we're looking for the end of the buffer, | |
2683 | and we didn't find it in the line we scanned, | |
2684 | use the start of the following line. */ | |
2685 | if (maybe_next_line_p) | |
2686 | { | |
2687 | ++row; | |
2688 | lastcol = 0; | |
2689 | } | |
2690 | ||
2691 | *vpos = row->y; | |
2692 | *hpos = lastcol + 1; | |
2693 | return 0; | |
2694 | } | |
2695 | ||
2696 | static void | |
2697 | term_mouse_highlight (struct frame *f, int x, int y) | |
2698 | { | |
2699 | enum window_part part; | |
2700 | Lisp_Object window; | |
2701 | struct window *w; | |
2702 | struct buffer *b; | |
2703 | ||
2704 | if (NILP (Vmouse_highlight) | |
2705 | || !f->glyphs_initialized_p) | |
2706 | return; | |
2707 | ||
e882229c NR |
2708 | /* Which window is that in? */ |
2709 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2710 | ||
2711 | /* Not on a window -> return. */ | |
2712 | if (!WINDOWP (window)) | |
2713 | return; | |
2714 | ||
6178ce5e | 2715 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2716 | term_clear_mouse_face (); |
2717 | ||
2718 | w = XWINDOW (window); | |
2719 | ||
2720 | /* Are we in a window whose display is up to date? | |
2721 | And verify the buffer's text has not changed. */ | |
2722 | b = XBUFFER (w->buffer); | |
2723 | if (part == ON_TEXT | |
2724 | && EQ (w->window_end_valid, w->buffer) | |
2725 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2726 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2727 | { | |
2728 | int pos, i, nrows = w->current_matrix->nrows; | |
2729 | struct glyph_row *row; | |
2730 | struct glyph *glyph; | |
2731 | ||
2732 | /* Find the glyph under X/Y. */ | |
2733 | glyph = NULL; | |
2734 | if (y >= 0 && y < nrows) | |
2735 | { | |
2736 | row = MATRIX_ROW (w->current_matrix, y); | |
2737 | /* Give up if some row before the one we are looking for is | |
2738 | not enabled. */ | |
2739 | for (i = 0; i <= y; i++) | |
2740 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2741 | break; | |
2742 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2743 | && row->displays_text_p | |
2744 | && x < window_box_width (w, TEXT_AREA)) | |
2745 | { | |
2746 | glyph = row->glyphs[TEXT_AREA]; | |
2747 | if (x >= row->used[TEXT_AREA]) | |
2748 | glyph = NULL; | |
2749 | else | |
2750 | { | |
2751 | glyph += x; | |
2752 | if (!BUFFERP (glyph->object)) | |
2753 | glyph = NULL; | |
2754 | } | |
2755 | } | |
2756 | } | |
2757 | ||
2758 | /* Clear mouse face if X/Y not over text. */ | |
2759 | if (glyph == NULL) | |
2760 | { | |
2761 | term_clear_mouse_face (); | |
2762 | return; | |
2763 | } | |
2764 | ||
2765 | if (!BUFFERP (glyph->object)) | |
2766 | abort (); | |
2767 | pos = glyph->charpos; | |
2768 | ||
2769 | /* Check for mouse-face. */ | |
2770 | { | |
2771 | extern Lisp_Object Qmouse_face; | |
2772 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
3b8c0c70 | 2773 | int noverlays, obegv, ozv; |
e882229c NR |
2774 | struct buffer *obuf; |
2775 | ||
2776 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2777 | if (pos > BUF_Z (b)) | |
2778 | return; | |
2779 | ||
2780 | /* Make the window's buffer temporarily current for | |
2781 | overlays_at and compute_char_face. */ | |
2782 | obuf = current_buffer; | |
2783 | current_buffer = b; | |
2784 | obegv = BEGV; | |
2785 | ozv = ZV; | |
2786 | BEGV = BEG; | |
2787 | ZV = Z; | |
2788 | ||
2789 | /* Is this char mouse-active? */ | |
2790 | XSETINT (position, pos); | |
2791 | ||
2792 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2793 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2794 | /* Sort overlays into increasing priority order. */ | |
2795 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2796 | ||
2797 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2798 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2799 | && y >= mouse_face_beg_row |
2800 | && y <= mouse_face_end_row | |
2801 | && (y > mouse_face_beg_row | |
2802 | || x >= mouse_face_beg_col) | |
2803 | && (y < mouse_face_end_row | |
2804 | || x < mouse_face_end_col | |
2805 | || mouse_face_past_end))) | |
2806 | { | |
2807 | /* Clear the display of the old active region, if any. */ | |
2808 | term_clear_mouse_face (); | |
2809 | ||
2810 | /* Find the highest priority overlay that has a mouse-face | |
2811 | property. */ | |
2812 | overlay = Qnil; | |
2813 | for (i = noverlays - 1; i >= 0; --i) | |
2814 | { | |
2815 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2816 | if (!NILP (mouse_face)) | |
2817 | { | |
2818 | overlay = overlay_vec[i]; | |
2819 | break; | |
2820 | } | |
2821 | } | |
2822 | ||
2823 | /* If no overlay applies, get a text property. */ | |
2824 | if (NILP (overlay)) | |
2825 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2826 | w->buffer); | |
2827 | ||
2828 | /* Handle the overlay case. */ | |
2829 | if (!NILP (overlay)) | |
2830 | { | |
2831 | /* Find the range of text around this char that | |
2832 | should be active. */ | |
2833 | Lisp_Object before, after; | |
0f8b27ea | 2834 | EMACS_INT ignore; |
e882229c NR |
2835 | |
2836 | ||
2837 | before = Foverlay_start (overlay); | |
2838 | after = Foverlay_end (overlay); | |
2839 | /* Record this as the current active region. */ | |
2840 | fast_find_position (w, XFASTINT (before), | |
2841 | &mouse_face_beg_col, | |
2842 | &mouse_face_beg_row); | |
2843 | ||
2844 | mouse_face_past_end | |
2845 | = !fast_find_position (w, XFASTINT (after), | |
2846 | &mouse_face_end_col, | |
2847 | &mouse_face_end_row); | |
6178ce5e | 2848 | mouse_face_window = window; |
e882229c NR |
2849 | |
2850 | mouse_face_face_id | |
2851 | = face_at_buffer_position (w, pos, 0, 0, | |
6970f632 | 2852 | &ignore, pos + 1, 1, -1); |
e882229c NR |
2853 | |
2854 | /* Display it as active. */ | |
2855 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2856 | } | |
2857 | /* Handle the text property case. */ | |
2858 | else if (!NILP (mouse_face)) | |
2859 | { | |
2860 | /* Find the range of text around this char that | |
2861 | should be active. */ | |
2862 | Lisp_Object before, after, beginning, end; | |
0f8b27ea | 2863 | EMACS_INT ignore; |
e882229c NR |
2864 | |
2865 | beginning = Fmarker_position (w->start); | |
2866 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2867 | before | |
2868 | = Fprevious_single_property_change (make_number (pos + 1), | |
2869 | Qmouse_face, | |
2870 | w->buffer, beginning); | |
2871 | after | |
2872 | = Fnext_single_property_change (position, Qmouse_face, | |
2873 | w->buffer, end); | |
2874 | ||
2875 | /* Record this as the current active region. */ | |
2876 | fast_find_position (w, XFASTINT (before), | |
2877 | &mouse_face_beg_col, | |
2878 | &mouse_face_beg_row); | |
2879 | mouse_face_past_end | |
2880 | = !fast_find_position (w, XFASTINT (after), | |
2881 | &mouse_face_end_col, | |
2882 | &mouse_face_end_row); | |
6178ce5e | 2883 | mouse_face_window = window; |
e882229c NR |
2884 | |
2885 | mouse_face_face_id | |
2886 | = face_at_buffer_position (w, pos, 0, 0, | |
6970f632 | 2887 | &ignore, pos + 1, 1, -1); |
e882229c NR |
2888 | |
2889 | /* Display it as active. */ | |
2890 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2891 | } | |
2892 | } | |
2893 | ||
2894 | /* Look for a `help-echo' property. */ | |
2895 | { | |
2896 | Lisp_Object help; | |
2897 | extern Lisp_Object Qhelp_echo; | |
2898 | ||
2899 | /* Check overlays first. */ | |
2900 | help = Qnil; | |
2901 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2902 | { | |
2903 | overlay = overlay_vec[i]; | |
2904 | help = Foverlay_get (overlay, Qhelp_echo); | |
2905 | } | |
2906 | ||
2907 | if (!NILP (help)) | |
2908 | { | |
2909 | help_echo_string = help; | |
2910 | help_echo_window = window; | |
2911 | help_echo_object = overlay; | |
2912 | help_echo_pos = pos; | |
2913 | } | |
2914 | /* Try text properties. */ | |
2915 | else if (NILP (help) | |
2916 | && ((STRINGP (glyph->object) | |
2917 | && glyph->charpos >= 0 | |
2918 | && glyph->charpos < SCHARS (glyph->object)) | |
2919 | || (BUFFERP (glyph->object) | |
2920 | && glyph->charpos >= BEGV | |
2921 | && glyph->charpos < ZV))) | |
2922 | { | |
2923 | help = Fget_text_property (make_number (glyph->charpos), | |
2924 | Qhelp_echo, glyph->object); | |
2925 | if (!NILP (help)) | |
2926 | { | |
2927 | help_echo_string = help; | |
2928 | help_echo_window = window; | |
2929 | help_echo_object = glyph->object; | |
2930 | help_echo_pos = glyph->charpos; | |
2931 | } | |
2932 | } | |
2933 | } | |
2934 | ||
2935 | BEGV = obegv; | |
2936 | ZV = ozv; | |
2937 | current_buffer = obuf; | |
2938 | } | |
2939 | } | |
2940 | } | |
2941 | ||
2942 | static int | |
2943 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2944 | { | |
2945 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2946 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2947 | { | |
2948 | frame->mouse_moved = 1; | |
80fb2ce0 | 2949 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2950 | /* Remember which glyph we're now on. */ |
2951 | last_mouse_x = event->x; | |
2952 | last_mouse_y = event->y; | |
2953 | return 1; | |
2954 | } | |
2955 | return 0; | |
2956 | } | |
2957 | ||
2958 | /* Return the current position of the mouse. | |
2959 | ||
2960 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2961 | Emacs frame. If it is set to zero, all the other arguments are | |
2962 | garbage. | |
2963 | ||
2964 | Set *bar_window to Qnil, and *x and *y to the column and | |
2965 | row of the character cell the mouse is over. | |
2966 | ||
2967 | Set *time to the time the mouse was at the returned position. | |
2968 | ||
80fb2ce0 | 2969 | This clears mouse_moved until the next motion |
94da14a0 | 2970 | event arrives. */ |
e882229c NR |
2971 | static void |
2972 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2973 | enum scroll_bar_part *part, Lisp_Object *x, | |
2974 | Lisp_Object *y, unsigned long *time) | |
2975 | { | |
e882229c | 2976 | struct timeval now; |
e882229c NR |
2977 | |
2978 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2979 | (*fp)->mouse_moved = 0; |
e882229c NR |
2980 | |
2981 | *bar_window = Qnil; | |
2982 | *part = 0; | |
2983 | ||
80fb2ce0 | 2984 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2985 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2986 | gettimeofday(&now, 0); |
2987 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
2988 | } |
2989 | ||
2990 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2991 | ||
2992 | If the event is a button press, then note that we have grabbed | |
2993 | the mouse. */ | |
2994 | ||
2995 | static Lisp_Object | |
2996 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2997 | struct frame *f) | |
2998 | { | |
2999 | struct timeval now; | |
3000 | int i, j; | |
3001 | ||
3002 | result->kind = GPM_CLICK_EVENT; | |
3003 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
3004 | { | |
3005 | if (event->buttons & j) { | |
3006 | result->code = i; /* button number */ | |
3007 | break; | |
3008 | } | |
3009 | } | |
3010 | gettimeofday(&now, 0); | |
3011 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
3012 | ||
3013 | if (event->type & GPM_UP) | |
3014 | result->modifiers = up_modifier; | |
3015 | else if (event->type & GPM_DOWN) | |
3016 | result->modifiers = down_modifier; | |
3017 | else | |
3018 | result->modifiers = 0; | |
f4d953fc | 3019 | |
e882229c NR |
3020 | if (event->type & GPM_SINGLE) |
3021 | result->modifiers |= click_modifier; | |
f4d953fc | 3022 | |
e882229c NR |
3023 | if (event->type & GPM_DOUBLE) |
3024 | result->modifiers |= double_modifier; | |
3025 | ||
3026 | if (event->type & GPM_TRIPLE) | |
3027 | result->modifiers |= triple_modifier; | |
3028 | ||
3029 | if (event->type & GPM_DRAG) | |
3030 | result->modifiers |= drag_modifier; | |
3031 | ||
80fb2ce0 | 3032 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
3033 | |
3034 | /* 1 << KG_SHIFT */ | |
3035 | if (event->modifiers & (1 << 0)) | |
3036 | result->modifiers |= shift_modifier; | |
3037 | ||
3038 | /* 1 << KG_CTRL */ | |
3039 | if (event->modifiers & (1 << 2)) | |
3040 | result->modifiers |= ctrl_modifier; | |
3041 | ||
3042 | /* 1 << KG_ALT || KG_ALTGR */ | |
3043 | if (event->modifiers & (1 << 3) | |
3044 | || event->modifiers & (1 << 1)) | |
3045 | result->modifiers |= meta_modifier; | |
3046 | } | |
3047 | ||
80fb2ce0 NR |
3048 | XSETINT (result->x, event->x); |
3049 | XSETINT (result->y, event->y); | |
e882229c NR |
3050 | XSETFRAME (result->frame_or_window, f); |
3051 | result->arg = Qnil; | |
3052 | return Qnil; | |
3053 | } | |
3054 | ||
f4d953fc | 3055 | int |
7be1c21a | 3056 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 3057 | { |
7be1c21a | 3058 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
3059 | struct input_event ie; |
3060 | int do_help = 0; | |
3061 | int count = 0; | |
3062 | ||
3063 | EVENT_INIT (ie); | |
3064 | ie.kind = NO_EVENT; | |
3065 | ie.arg = Qnil; | |
3066 | ||
80fb2ce0 | 3067 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
3068 | previous_help_echo_string = help_echo_string; |
3069 | help_echo_string = Qnil; | |
3070 | ||
6178ce5e | 3071 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 3072 | |
80fb2ce0 NR |
3073 | if (!term_mouse_movement (f, event)) |
3074 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
3075 | |
3076 | /* If the contents of the global variable help_echo_string | |
3077 | has changed, generate a HELP_EVENT. */ | |
3078 | if (!NILP (help_echo_string) | |
3079 | || !NILP (previous_help_echo_string)) | |
3080 | do_help = 1; | |
3081 | ||
3082 | goto done; | |
3083 | } | |
3084 | else { | |
3085 | f->mouse_moved = 0; | |
3086 | term_mouse_click (&ie, event, f); | |
e882229c NR |
3087 | } |
3088 | ||
3089 | done: | |
3090 | if (ie.kind != NO_EVENT) | |
3091 | { | |
3092 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
3093 | count++; | |
3094 | } | |
3095 | ||
3096 | if (do_help | |
3097 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
3098 | { | |
3099 | Lisp_Object frame; | |
3100 | ||
3101 | if (f) | |
3102 | XSETFRAME (frame, f); | |
3103 | else | |
3104 | frame = Qnil; | |
3105 | ||
3106 | gen_help_event (help_echo_string, frame, help_echo_window, | |
3107 | help_echo_object, help_echo_pos); | |
3108 | count++; | |
3109 | } | |
3110 | ||
3111 | return count; | |
3112 | } | |
3113 | ||
6178ce5e | 3114 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 3115 | 0, 0, 0, |
71f44e7a | 3116 | doc: /* Open a connection to Gpm. |
6178ce5e | 3117 | Gpm-mouse can only be activated for one tty at a time. */) |
e882229c NR |
3118 | () |
3119 | { | |
71f44e7a SM |
3120 | struct frame *f = SELECTED_FRAME (); |
3121 | struct tty_display_info *tty | |
3122 | = ((f)->output_method == output_termcap | |
3123 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
3124 | Gpm_Connect connection; |
3125 | ||
6178ce5e SM |
3126 | if (!tty) |
3127 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
3128 | if (gpm_tty == tty) |
3129 | return Qnil; /* Already activated, nothing to do. */ | |
3130 | if (gpm_tty) | |
3131 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 3132 | |
e882229c NR |
3133 | connection.eventMask = ~0; |
3134 | connection.defaultMask = ~GPM_HARD; | |
3135 | connection.maxMod = ~0; | |
3136 | connection.minMod = 0; | |
80fb2ce0 | 3137 | gpm_zerobased = 1; |
e882229c NR |
3138 | |
3139 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 3140 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
3141 | else |
3142 | { | |
71f44e7a | 3143 | gpm_tty = tty; |
1023cbed SM |
3144 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
3145 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
3146 | before calling init_sys_modes. */ | |
7be1c21a MB |
3147 | reset_sys_modes (tty); |
3148 | init_sys_modes (tty); | |
e882229c | 3149 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 3150 | return Qnil; |
e882229c NR |
3151 | } |
3152 | } | |
3153 | ||
ed5ff21d | 3154 | void |
d347e494 | 3155 | close_gpm (int fd) |
ed5ff21d | 3156 | { |
d347e494 SM |
3157 | if (fd >= 0) |
3158 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
3159 | while (Gpm_Close()); /* close all the stack */ |
3160 | gpm_tty = NULL; | |
3161 | } | |
3162 | ||
6178ce5e | 3163 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
3164 | 0, 0, 0, |
3165 | doc: /* Close a connection to Gpm. */) | |
3166 | () | |
3167 | { | |
4ce5ab77 SM |
3168 | struct frame *f = SELECTED_FRAME (); |
3169 | struct tty_display_info *tty | |
3170 | = ((f)->output_method == output_termcap | |
3171 | ? (f)->terminal->display_info.tty : NULL); | |
3172 | ||
3173 | if (!tty || gpm_tty != tty) | |
3174 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 3175 | |
d347e494 | 3176 | close_gpm (gpm_fd); |
6178ce5e | 3177 | return Qnil; |
e882229c | 3178 | } |
7e5a23bd | 3179 | #endif /* HAVE_GPM */ |
e882229c NR |
3180 | |
3181 | \f | |
89ba96f4 | 3182 | #ifndef MSDOS |
a168702a GM |
3183 | /*********************************************************************** |
3184 | Initialization | |
3185 | ***********************************************************************/ | |
3186 | ||
ed8dad6b KL |
3187 | /* Initialize the tty-dependent part of frame F. The frame must |
3188 | already have its device initialized. */ | |
3224dac1 | 3189 | |
dfcf069d | 3190 | void |
ed8dad6b | 3191 | create_tty_output (struct frame *f) |
28d440ab | 3192 | { |
ed8dad6b KL |
3193 | struct tty_output *t; |
3194 | ||
3195 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3196 | abort (); |
3197 | ||
ed8dad6b KL |
3198 | t = xmalloc (sizeof (struct tty_output)); |
3199 | bzero (t, sizeof (struct tty_output)); | |
b6660415 | 3200 | |
6ed8eeff | 3201 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3202 | |
ed8dad6b | 3203 | f->output_data.tty = t; |
3224dac1 KL |
3204 | } |
3205 | ||
9f215d25 | 3206 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3207 | |
ed8dad6b | 3208 | static void |
9f215d25 | 3209 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3210 | { |
ed8dad6b | 3211 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3212 | abort (); |
3213 | ||
9f215d25 CY |
3214 | if (FRAME_FACE_CACHE (f)) |
3215 | free_frame_faces (f); | |
3216 | ||
ed8dad6b | 3217 | xfree (f->output_data.tty); |
28d440ab KL |
3218 | } |
3219 | ||
89ba96f4 EZ |
3220 | #else /* MSDOS */ |
3221 | ||
3222 | /* Delete frame F's face cache. */ | |
3223 | ||
3224 | static void | |
3225 | tty_free_frame_resources (struct frame *f) | |
3226 | { | |
3227 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
3228 | abort (); | |
3229 | ||
3230 | if (FRAME_FACE_CACHE (f)) | |
3231 | free_frame_faces (f); | |
3232 | } | |
3233 | #endif /* MSDOS */ | |
ed8dad6b | 3234 | \f |
47cc8819 | 3235 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3236 | |
4a665758 KL |
3237 | static void |
3238 | clear_tty_hooks (struct terminal *terminal) | |
3239 | { | |
3240 | terminal->rif = 0; | |
3241 | terminal->cursor_to_hook = 0; | |
3242 | terminal->raw_cursor_to_hook = 0; | |
3243 | terminal->clear_to_end_hook = 0; | |
3244 | terminal->clear_frame_hook = 0; | |
3245 | terminal->clear_end_of_line_hook = 0; | |
3246 | terminal->ins_del_lines_hook = 0; | |
3247 | terminal->insert_glyphs_hook = 0; | |
3248 | terminal->write_glyphs_hook = 0; | |
3249 | terminal->delete_glyphs_hook = 0; | |
3250 | terminal->ring_bell_hook = 0; | |
3251 | terminal->reset_terminal_modes_hook = 0; | |
3252 | terminal->set_terminal_modes_hook = 0; | |
3253 | terminal->update_begin_hook = 0; | |
3254 | terminal->update_end_hook = 0; | |
3255 | terminal->set_terminal_window_hook = 0; | |
3256 | terminal->mouse_position_hook = 0; | |
3257 | terminal->frame_rehighlight_hook = 0; | |
3258 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3259 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3260 | terminal->set_vertical_scroll_bar_hook = 0; |
3261 | terminal->condemn_scroll_bars_hook = 0; | |
3262 | terminal->redeem_scroll_bar_hook = 0; | |
3263 | terminal->judge_scroll_bars_hook = 0; | |
3264 | terminal->read_socket_hook = 0; | |
3265 | terminal->frame_up_to_date_hook = 0; | |
3266 | ||
3267 | /* Leave these two set, or suspended frames are not deleted | |
3268 | correctly. */ | |
9f215d25 | 3269 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3270 | terminal->delete_terminal_hook = &delete_tty; |
3271 | } | |
3272 | ||
47cc8819 DN |
3273 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3274 | ||
4a665758 KL |
3275 | static void |
3276 | set_tty_hooks (struct terminal *terminal) | |
3277 | { | |
3278 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3279 | ||
3280 | terminal->cursor_to_hook = &tty_cursor_to; | |
3281 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3282 | ||
3283 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3284 | terminal->clear_frame_hook = &tty_clear_frame; | |
3285 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3286 | ||
3287 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3288 | ||
3289 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3290 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3291 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3292 | ||
3293 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3294 | |
4a665758 KL |
3295 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3296 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3297 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3298 | terminal->update_end_hook = &tty_update_end; | |
3299 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3300 | ||
3301 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3302 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3303 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3304 | ||
3305 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3306 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3307 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3308 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3309 | ||
3310 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3311 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3312 | |
9f215d25 | 3313 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3314 | terminal->delete_terminal_hook = &delete_tty; |
3315 | } | |
3316 | ||
03a1d6bd | 3317 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3318 | static void |
03a1d6bd KL |
3319 | dissociate_if_controlling_tty (int fd) |
3320 | { | |
84704c5c | 3321 | #ifndef DOS_NT |
03a1d6bd | 3322 | int pgid; |
8516815b | 3323 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3324 | if (pgid != -1) |
3325 | { | |
8516815b | 3326 | #if defined (USG) && !defined (BSD_PGRPS) |
03a1d6bd KL |
3327 | setpgrp (); |
3328 | no_controlling_tty = 1; | |
de52dcbb DN |
3329 | #elif defined (CYGWIN) |
3330 | setsid (); | |
3331 | no_controlling_tty = 1; | |
03a1d6bd KL |
3332 | #else |
3333 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3334 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3335 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3336 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3337 | { | |
3338 | no_controlling_tty = 1; | |
3339 | } | |
3340 | if (fd != -1) | |
3341 | emacs_close (fd); | |
3342 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3343 | #else |
8516815b KL |
3344 | /* Unknown system. */ |
3345 | croak (); | |
03a1d6bd KL |
3346 | #endif /* ! TIOCNOTTY */ |
3347 | #endif /* ! USG */ | |
71a96040 | 3348 | } |
84704c5c | 3349 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3350 | } |
3351 | ||
520c4dfd KL |
3352 | static void maybe_fatal(); |
3353 | ||
3224dac1 KL |
3354 | /* Create a termcap display on the tty device with the given name and |
3355 | type. | |
3356 | ||
ab797f65 | 3357 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3358 | Otherwise NAME should be a path to the tty device file, |
3359 | e.g. "/dev/pts/7". | |
28d440ab | 3360 | |
3224dac1 KL |
3361 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3362 | ||
3363 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3364 | |
6ed8eeff | 3365 | struct terminal * |
a4c6993d | 3366 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3367 | { |
59b3194c | 3368 | char *area = NULL; |
08a24c47 | 3369 | char **address = &area; |
6b61353c | 3370 | int buffer_size = 4096; |
59b3194c | 3371 | register char *p = NULL; |
08a24c47 | 3372 | int status; |
59b3194c KL |
3373 | struct tty_display_info *tty = NULL; |
3374 | struct terminal *terminal = NULL; | |
3375 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3376 | |
3224dac1 | 3377 | if (!terminal_type) |
d31eee5e | 3378 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3379 | "Unknown terminal type", |
3380 | "Unknown terminal type"); | |
b6660415 | 3381 | |
ab797f65 | 3382 | if (name == NULL) |
78048085 EZ |
3383 | name = DEV_TTY; |
3384 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3385 | ctty = 1; |
3386 | ||
6ed8eeff KL |
3387 | /* If we already have a terminal on the given device, use that. If |
3388 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3389 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3390 | always create a new terminal and separating terminal and frame |
b6660415 | 3391 | creation on Lisp level. */ |
6ed8eeff KL |
3392 | terminal = get_named_tty (name); |
3393 | if (terminal) | |
3394 | return terminal; | |
78048085 | 3395 | |
6ed8eeff | 3396 | terminal = create_terminal (); |
84704c5c EZ |
3397 | #ifdef MSDOS |
3398 | if (been_here > 0) | |
d31eee5e | 3399 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3400 | name, ""); |
3401 | been_here = 1; | |
3402 | tty = &the_only_display_info; | |
3403 | #else | |
3224dac1 | 3404 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3405 | #endif |
3224dac1 KL |
3406 | bzero (tty, sizeof (struct tty_display_info)); |
3407 | tty->next = tty_list; | |
3408 | tty_list = tty; | |
428a555e | 3409 | |
6ed8eeff KL |
3410 | terminal->type = output_termcap; |
3411 | terminal->display_info.tty = tty; | |
3412 | tty->terminal = terminal; | |
28d440ab | 3413 | |
7b00d185 KL |
3414 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3415 | Wcm_clear (tty); | |
daf01701 | 3416 | |
84704c5c | 3417 | #ifndef DOS_NT |
4a665758 | 3418 | set_tty_hooks (terminal); |
78048085 | 3419 | |
59b3194c KL |
3420 | { |
3421 | int fd; | |
3422 | FILE *file; | |
0c72d684 KL |
3423 | |
3424 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3425 | if (!ctty) |
0c72d684 KL |
3426 | /* Open the terminal device. Don't recognize it as our |
3427 | controlling terminal, and don't make it the controlling tty | |
3428 | if we don't have one at the moment. */ | |
3429 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3430 | else |
0c72d684 | 3431 | #else |
2666355c | 3432 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3433 | defined on Hurd. On other systems, we need to explicitly |
3434 | dissociate ourselves from the controlling tty when we want to | |
3435 | open a frame on the same terminal. */ | |
0c72d684 | 3436 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3437 | #endif /* O_IGNORE_CTTY */ |
3438 | ||
97c6058a DN |
3439 | tty->name = xstrdup (name); |
3440 | terminal->name = xstrdup (name); | |
3441 | ||
59b3194c | 3442 | if (fd < 0) |
d31eee5e | 3443 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3444 | "Could not open file: %s", |
3445 | "Could not open file: %s", | |
3446 | name); | |
3447 | if (!isatty (fd)) | |
3448 | { | |
3449 | close (fd); | |
d31eee5e | 3450 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3451 | "Not a tty device: %s", |
3452 | "Not a tty device: %s", | |
3453 | name); | |
3454 | } | |
0c72d684 | 3455 | |
59b3194c KL |
3456 | #ifndef O_IGNORE_CTTY |
3457 | if (!ctty) | |
03a1d6bd | 3458 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3459 | #endif |
3460 | ||
3461 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3462 | tty->input = file; |
3463 | tty->output = file; | |
3464 | } | |
78048085 | 3465 | |
28d7d09f | 3466 | tty->type = xstrdup (terminal_type); |
28d440ab | 3467 | |
819b8f00 | 3468 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3469 | |
84704c5c EZ |
3470 | #endif /* !DOS_NT */ |
3471 | ||
288d5132 KH |
3472 | encode_terminal_src_size = 0; |
3473 | encode_terminal_dst_size = 0; | |
af645abf | 3474 | |
7e5a23bd | 3475 | #ifdef HAVE_GPM |
88acaaf2 | 3476 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3477 | mouse_face_window = Qnil; |
e882229c NR |
3478 | #endif |
3479 | ||
84704c5c | 3480 | #ifdef DOS_NT |
cb28b9c2 | 3481 | #ifdef WINDOWSNT |
953bf0dc | 3482 | initialize_w32_display (terminal); |
84704c5c EZ |
3483 | #else /* MSDOS */ |
3484 | if (strcmp (terminal_type, "internal") == 0) | |
3485 | terminal->type = output_msdos_raw; | |
3486 | initialize_msdos_display (terminal); | |
3487 | #endif /* MSDOS */ | |
3488 | tty->output = stdout; | |
3489 | tty->input = stdin; | |
a0236551 | 3490 | /* The following two are inaccessible from w32console.c. */ |
9f215d25 | 3491 | terminal->delete_frame_hook = &tty_free_frame_resources; |
a0236551 | 3492 | terminal->delete_terminal_hook = &delete_tty; |
cb28b9c2 | 3493 | |
78048085 EZ |
3494 | tty->name = xstrdup (name); |
3495 | terminal->name = xstrdup (name); | |
3496 | tty->type = xstrdup (terminal_type); | |
cb28b9c2 | 3497 | |
84704c5c | 3498 | #ifdef subprocesses |
a0236551 | 3499 | add_keyboard_wait_descriptor (0); |
84704c5c | 3500 | #endif |
cb28b9c2 | 3501 | |
a0236551 | 3502 | Wcm_clear (tty); |
cb28b9c2 | 3503 | |
84704c5c | 3504 | #ifdef WINDOWSNT |
5d333979 JR |
3505 | { |
3506 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3507 | |
a0236551 JR |
3508 | FrameRows (tty) = FRAME_LINES (f); |
3509 | FrameCols (tty) = FRAME_COLS (f); | |
3510 | tty->specified_window = FRAME_LINES (f); | |
cb28b9c2 | 3511 | |
a0236551 JR |
3512 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3513 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 | 3514 | } |
84704c5c EZ |
3515 | #else /* MSDOS */ |
3516 | { | |
3517 | int height, width; | |
3518 | get_tty_size (fileno (tty->input), &width, &height); | |
3519 | FrameCols (tty) = width; | |
3520 | FrameRows (tty) = height; | |
3521 | } | |
3522 | #endif /* MSDOS */ | |
5d333979 | 3523 | tty->delete_in_insert_mode = 1; |
cb28b9c2 | 3524 | |
daf01701 | 3525 | UseTabs (tty) = 0; |
6ed8eeff | 3526 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3527 | |
7e59217d | 3528 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3529 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3530 | don't think we're losing anything by turning it off. */ |
6ed8eeff | 3531 | terminal->line_ins_del_ok = 0; |
84704c5c | 3532 | #ifdef WINDOWSNT |
6ed8eeff | 3533 | terminal->char_ins_del_ok = 1; |
cb28b9c2 | 3534 | baud_rate = 19200; |
84704c5c EZ |
3535 | #else /* MSDOS */ |
3536 | terminal->char_ins_del_ok = 0; | |
3537 | init_baud_rate (fileno (tty->input)); | |
3538 | #endif /* MSDOS */ | |
cb28b9c2 | 3539 | |
5d333979 | 3540 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3541 | |
84704c5c | 3542 | #else /* not DOS_NT */ |
cb28b9c2 | 3543 | |
6548cf00 | 3544 | Wcm_clear (tty); |
08a24c47 | 3545 | |
d31eee5e | 3546 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3547 | |
03a1d6bd KL |
3548 | /* On some systems, tgetent tries to access the controlling |
3549 | terminal. */ | |
3550 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3551 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3552 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3553 | |
08a24c47 | 3554 | if (status < 0) |
b0347178 KH |
3555 | { |
3556 | #ifdef TERMINFO | |
d31eee5e | 3557 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3558 | "Cannot open terminfo database file", |
3559 | "Cannot open terminfo database file"); | |
b0347178 | 3560 | #else |
d31eee5e | 3561 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3562 | "Cannot open termcap database file", |
3563 | "Cannot open termcap database file"); | |
b0347178 KH |
3564 | #endif |
3565 | } | |
08a24c47 | 3566 | if (status == 0) |
b0347178 KH |
3567 | { |
3568 | #ifdef TERMINFO | |
d31eee5e | 3569 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3570 | "Terminal type %s is not defined", |
3571 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3572 | If that is not the actual type of terminal you have,\n\ |
3573 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3574 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3575 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
3224dac1 | 3576 | terminal_type); |
b0347178 | 3577 | #else |
d31eee5e | 3578 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3579 | "Terminal type %s is not defined", |
3580 | "Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
3581 | If that is not the actual type of terminal you have,\n\ |
3582 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3583 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3584 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
3224dac1 | 3585 | terminal_type); |
b0347178 KH |
3586 | #endif |
3587 | } | |
6b61353c KH |
3588 | |
3589 | #ifndef TERMINFO | |
d31eee5e | 3590 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3591 | abort (); |
d31eee5e | 3592 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3593 | #endif |
d31eee5e | 3594 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3595 | tty->TS_ins_line = tgetstr ("al", address); |
3596 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3597 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3598 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3599 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3600 | tty->TS_clr_line = tgetstr ("ce", address); | |
3601 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3602 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3603 | AbsPosition (tty) = tgetstr ("cm", address); | |
3604 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3605 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3606 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3607 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3608 | tty->TS_del_char = tgetstr ("dc", address); |
3609 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3610 | tty->TS_del_line = tgetstr ("dl", address); | |
3611 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3612 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3613 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3614 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3615 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3616 | tty->TS_ins_char = tgetstr ("ic", address); |
3617 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3618 | tty->TS_insert_mode = tgetstr ("im", address); | |
3619 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3620 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3621 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3622 | LastLine (tty) = tgetstr ("ll", address); |
3623 | Right (tty) = tgetstr ("nd", address); | |
3624 | Down (tty) = tgetstr ("do", address); | |
3625 | if (!Down (tty)) | |
3626 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3627 | if (tgetflag ("bs")) |
6548cf00 | 3628 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3629 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3630 | Left (tty) = tgetstr ("le", address); |
3631 | if (!Left (tty)) | |
3632 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3633 | tty->TS_pad_char = tgetstr ("pc", address); |
3634 | tty->TS_repeat = tgetstr ("rp", address); | |
3635 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3636 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3637 | tty->TS_standout_mode = tgetstr ("so", address); | |
3638 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3639 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3640 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3641 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3642 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3643 | tty->TS_visible_bell = tgetstr ("vb", address); |
3644 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3645 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3646 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3647 | tty->TS_set_window = tgetstr ("wi", address); | |
3648 | ||
3649 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3650 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3651 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3652 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3653 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3654 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3655 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3656 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3657 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3658 | |
6548cf00 KL |
3659 | MultiUp (tty) = tgetstr ("UP", address); |
3660 | MultiDown (tty) = tgetstr ("DO", address); | |
3661 | MultiLeft (tty) = tgetstr ("LE", address); | |
3662 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3663 | |
e7f90eab GM |
3664 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3665 | color because we can't switch back to the default foreground and | |
3666 | background. */ | |
fca177d4 KL |
3667 | tty->TS_orig_pair = tgetstr ("op", address); |
3668 | if (tty->TS_orig_pair) | |
a168702a | 3669 | { |
fca177d4 KL |
3670 | tty->TS_set_foreground = tgetstr ("AF", address); |
3671 | tty->TS_set_background = tgetstr ("AB", address); | |
3672 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3673 | { |
3674 | /* SVr4. */ | |
fca177d4 KL |
3675 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3676 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3677 | } |
177c0ea7 | 3678 | |
fca177d4 KL |
3679 | tty->TN_max_colors = tgetnum ("Co"); |
3680 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3681 | |
fca177d4 KL |
3682 | tty->TN_no_color_video = tgetnum ("NC"); |
3683 | if (tty->TN_no_color_video == -1) | |
3684 | tty->TN_no_color_video = 0; | |
a168702a | 3685 | } |
a168702a | 3686 | |
fca177d4 | 3687 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3688 | |
6548cf00 | 3689 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3690 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3691 | the former flag imply the latter. */ | |
6548cf00 | 3692 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3693 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3694 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3695 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3696 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3697 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3698 | tty->TF_standout_motion = tgetflag ("ms"); | |
3699 | tty->TF_underscore = tgetflag ("ul"); | |
3700 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3701 | |
84704c5c | 3702 | #endif /* !DOS_NT */ |
6ed8eeff KL |
3703 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3704 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3705 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3706 | terminal->kboard->next_kboard = all_kboards; |
3707 | all_kboards = terminal->kboard; | |
3708 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3709 | /* Don't let the initial kboard remain current longer than necessary. |
3710 | That would cause problems if a file loaded on startup tries to | |
3711 | prompt in the mini-buffer. */ | |
3712 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3713 | current_kboard = terminal->kboard; |
84704c5c | 3714 | #ifndef DOS_NT |
6ed8eeff | 3715 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3716 | |
ff11dfa1 | 3717 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3718 | { |
3719 | int height, width; | |
0b0d3e0b | 3720 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3721 | FrameCols (tty) = width; |
3722 | FrameRows (tty) = height; | |
3b12ce12 RS |
3723 | } |
3724 | ||
0a125897 KL |
3725 | if (FrameCols (tty) <= 0) |
3726 | FrameCols (tty) = tgetnum ("co"); | |
3727 | if (FrameRows (tty) <= 0) | |
3728 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3729 | |
0a125897 | 3730 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3731 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3732 | "Screen size %dx%d is too small" |
3733 | "Screen size %dx%d is too small", | |
0a125897 | 3734 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3735 | |
6548cf00 | 3736 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3737 | |
fca177d4 KL |
3738 | if (!tty->TS_bell) |
3739 | tty->TS_bell = "\07"; | |
08a24c47 | 3740 | |
fca177d4 KL |
3741 | if (!tty->TS_fwd_scroll) |
3742 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3743 | |
fca177d4 | 3744 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3745 | |
6548cf00 KL |
3746 | if (TabWidth (tty) < 0) |
3747 | TabWidth (tty) = 8; | |
177c0ea7 | 3748 | |
08a24c47 JB |
3749 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3750 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3751 | if (!tty->Wcm->cm_tab) |
3752 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3753 | */ |
3754 | ||
54800acb MB |
3755 | /* We don't support standout modes that use `magic cookies', so |
3756 | turn off any that do. */ | |
fca177d4 | 3757 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3758 | { |
fca177d4 KL |
3759 | tty->TS_standout_mode = 0; |
3760 | tty->TS_end_standout_mode = 0; | |
54800acb | 3761 | } |
fca177d4 | 3762 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3763 | { |
fca177d4 KL |
3764 | tty->TS_enter_underline_mode = 0; |
3765 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3766 | } |
3767 | ||
3768 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3769 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3770 | { |
fca177d4 KL |
3771 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3772 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3773 | } |
3774 | ||
afd359c4 RS |
3775 | /* If no `se' string, try using a `me' string instead. |
3776 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3777 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3778 | { |
e4bfb3b6 | 3779 | char *s = tgetstr ("me", address); |
afd359c4 | 3780 | if (s != 0) |
fca177d4 | 3781 | tty->TS_end_standout_mode = s; |
afd359c4 | 3782 | else |
fca177d4 | 3783 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3784 | } |
3785 | ||
fca177d4 | 3786 | if (tty->TF_teleray) |
08a24c47 | 3787 | { |
6548cf00 | 3788 | tty->Wcm->cm_tab = 0; |
54800acb | 3789 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3790 | tty->TS_standout_mode = 0; |
08a24c47 | 3791 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3792 | CR (tty) = 0; |
08a24c47 JB |
3793 | /* LF can't be trusted either -- can alter hpos */ |
3794 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3795 | Down (tty) = 0; |
08a24c47 JB |
3796 | } |
3797 | ||
3798 | /* Special handling for certain terminal types known to need it */ | |
3799 | ||
3800 | if (!strcmp (terminal_type, "supdup")) | |
3801 | { | |
6ed8eeff | 3802 | terminal->memory_below_frame = 1; |
6548cf00 | 3803 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3804 | } |
3805 | if (!strncmp (terminal_type, "c10", 3) | |
3806 | || !strcmp (terminal_type, "perq")) | |
3807 | { | |
3808 | /* Supply a makeshift :wi string. | |
3809 | This string is not valid in general since it works only | |
3810 | for windows starting at the upper left corner; | |
3811 | but that is all Emacs uses. | |
3812 | ||
ff11dfa1 | 3813 | This string works only if the frame is using |
08a24c47 JB |
3814 | the top of the video memory, because addressing is memory-relative. |
3815 | So first check the :ti string to see if that is true. | |
3816 | ||
3817 | It would be simpler if the :wi string could go in the termcap | |
3818 | entry, but it can't because it is not fully valid. | |
3819 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3820 | if (!tty->TS_set_window) |
08a24c47 | 3821 | { |
fca177d4 | 3822 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3823 | while (*p && strcmp (p, "\033v ")) |
3824 | p++; | |
3825 | if (*p) | |
fca177d4 | 3826 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3827 | } |
3828 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3829 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3830 | /* :ti string typically fails to have \E^G! in it */ |
3831 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3832 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3833 | strcat (area, "\033\007!"); |
fca177d4 | 3834 | tty->TS_termcap_modes = area; |
08a24c47 | 3835 | area += strlen (area) + 1; |
6548cf00 | 3836 | p = AbsPosition (tty); |
08a24c47 | 3837 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3838 | values above 96 correctly for the C100. */ |
08a24c47 | 3839 | while (*p) |
28d440ab KL |
3840 | { |
3841 | if (p[0] == '%' && p[1] == '+') | |
3842 | p[1] = 'C'; | |
3843 | p++; | |
3844 | } | |
08a24c47 JB |
3845 | } |
3846 | ||
0a125897 | 3847 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3848 | |
6548cf00 | 3849 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3850 | { |
d31eee5e | 3851 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3852 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
37dad45a | 3853 | # ifdef TERMINFO |
3224dac1 | 3854 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3855 | It lacks the ability to position the cursor.\n\ |
3856 | If that is not the actual type of terminal you have,\n\ | |
3857 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3858 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3859 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a | 3860 | # else /* TERMCAP */ |
3224dac1 | 3861 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
08a24c47 JB |
3862 | It lacks the ability to position the cursor.\n\ |
3863 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
3864 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3865 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3866 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3867 | # endif /* TERMINFO */ |
3224dac1 | 3868 | terminal_type); |
fca177d4 | 3869 | } |
daf01701 | 3870 | |
0a125897 | 3871 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3872 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3873 | "Could not determine the frame size", |
3874 | "Could not determine the frame size"); | |
08a24c47 | 3875 | |
fca177d4 KL |
3876 | tty->delete_in_insert_mode |
3877 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3878 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3879 | |
fca177d4 KL |
3880 | tty->se_is_so = (tty->TS_standout_mode |
3881 | && tty->TS_end_standout_mode | |
3882 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3883 | |
0b0d3e0b | 3884 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3885 | |
6ed8eeff | 3886 | terminal->scroll_region_ok |
6548cf00 | 3887 | = (tty->Wcm->cm_abs |
fca177d4 | 3888 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3889 | |
6ed8eeff | 3890 | terminal->line_ins_del_ok |
fca177d4 KL |
3891 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3892 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3893 | || (terminal->scroll_region_ok |
fca177d4 | 3894 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3895 | |
6ed8eeff | 3896 | terminal->char_ins_del_ok |
fca177d4 KL |
3897 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3898 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3899 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3900 | |
6ed8eeff | 3901 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3902 | |
0b0d3e0b | 3903 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3904 | |
84704c5c | 3905 | #endif /* not DOS_NT */ |
635e3b29 | 3906 | |
0a125897 KL |
3907 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3908 | init_sys_modes (tty); | |
daf01701 | 3909 | |
6ed8eeff | 3910 | return terminal; |
08a24c47 JB |
3911 | } |
3912 | ||
a4c6993d | 3913 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3914 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3915 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3916 | |
3224dac1 | 3917 | static void |
d31eee5e | 3918 | maybe_fatal (must_succeed, terminal, str1, str2, arg1, arg2) |
3224dac1 | 3919 | int must_succeed; |
6ed8eeff | 3920 | struct terminal *terminal; |
3224dac1 KL |
3921 | char *str1, *str2, *arg1, *arg2; |
3922 | { | |
6ed8eeff KL |
3923 | if (terminal) |
3924 | delete_tty (terminal); | |
f4d953fc | 3925 | |
3224dac1 KL |
3926 | if (must_succeed) |
3927 | fatal (str2, arg1, arg2); | |
3928 | else | |
3929 | error (str1, arg1, arg2); | |
3930 | ||
3931 | abort (); | |
08a24c47 JB |
3932 | } |
3933 | ||
dfcf069d | 3934 | void |
7c401d15 | 3935 | fatal (const char *str, ...) |
08a24c47 | 3936 | { |
7c401d15 DN |
3937 | va_list ap; |
3938 | va_start (ap, str); | |
08a24c47 | 3939 | fprintf (stderr, "emacs: "); |
7c401d15 DN |
3940 | vfprintf (stderr, str, ap); |
3941 | va_end (ap); | |
08a24c47 JB |
3942 | fflush (stderr); |
3943 | exit (1); | |
3944 | } | |
07c57952 | 3945 | |
819b8f00 KL |
3946 | \f |
3947 | ||
6ed8eeff | 3948 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3949 | |
ed8dad6b | 3950 | static void |
6ed8eeff | 3951 | delete_tty (struct terminal *terminal) |
072d84a6 | 3952 | { |
428a555e | 3953 | struct tty_display_info *tty; |
f4d953fc | 3954 | |
e2749141 | 3955 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3956 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3957 | if (!terminal->name) |
0a125897 | 3958 | return; |
fca177d4 | 3959 | |
6ed8eeff | 3960 | if (terminal->type != output_termcap) |
428a555e KL |
3961 | abort (); |
3962 | ||
6ed8eeff | 3963 | tty = terminal->display_info.tty; |
f4d953fc | 3964 | |
fca177d4 KL |
3965 | if (tty == tty_list) |
3966 | tty_list = tty->next; | |
3967 | else | |
3968 | { | |
28d7d09f | 3969 | struct tty_display_info *p; |
fca177d4 KL |
3970 | for (p = tty_list; p && p->next != tty; p = p->next) |
3971 | ; | |
3972 | ||
3973 | if (! p) | |
3974 | /* This should not happen. */ | |
3975 | abort (); | |
3976 | ||
0a125897 KL |
3977 | p->next = tty->next; |
3978 | tty->next = 0; | |
fca177d4 KL |
3979 | } |
3980 | ||
7e59217d | 3981 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3982 | before delete_terminal. */ |
04c3243c | 3983 | reset_sys_modes (tty); |
fca177d4 | 3984 | |
6ed8eeff | 3985 | delete_terminal (terminal); |
3224dac1 | 3986 | |
70fdbb46 JM |
3987 | xfree (tty->name); |
3988 | xfree (tty->type); | |
daf01701 | 3989 | |
fca177d4 | 3990 | if (tty->input) |
819b8f00 | 3991 | { |
84704c5c | 3992 | #ifdef subprocesses |
819b8f00 | 3993 | delete_keyboard_wait_descriptor (fileno (tty->input)); |
84704c5c | 3994 | #endif |
819b8f00 KL |
3995 | if (tty->input != stdin) |
3996 | fclose (tty->input); | |
3997 | } | |
3998 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3999 | fclose (tty->output); |
4000 | if (tty->termscript) | |
4001 | fclose (tty->termscript); | |
daf01701 | 4002 | |
70fdbb46 JM |
4003 | xfree (tty->old_tty); |
4004 | xfree (tty->Wcm); | |
5f445726 JM |
4005 | xfree (tty->termcap_strings_buffer); |
4006 | xfree (tty->termcap_term_buffer); | |
daf01701 | 4007 | |
28d7d09f | 4008 | bzero (tty, sizeof (struct tty_display_info)); |
fca177d4 | 4009 | xfree (tty); |
fca177d4 KL |
4010 | } |
4011 | ||
428a555e KL |
4012 | \f |
4013 | ||
28d7d09f | 4014 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 4015 | Called by the Fgarbage_collector. */ |
da8e1115 | 4016 | |
fca177d4 | 4017 | void |
ed8dad6b | 4018 | mark_ttys (void) |
fca177d4 | 4019 | { |
28d7d09f | 4020 | struct tty_display_info *tty; |
0c72d684 | 4021 | |
819b8f00 | 4022 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 4023 | mark_object (tty->top_frame); |
072d84a6 RS |
4024 | } |
4025 | ||
428a555e KL |
4026 | \f |
4027 | ||
dfcf069d | 4028 | void |
07c57952 KH |
4029 | syms_of_term () |
4030 | { | |
7ee72033 MB |
4031 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
4032 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 4033 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4034 | #ifdef TERMINFO |
4035 | system_uses_terminfo = 1; | |
4036 | #else | |
4037 | system_uses_terminfo = 0; | |
4038 | #endif | |
c291d9ef | 4039 | |
e4019195 DN |
4040 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
4041 | doc: /* Functions to be run after suspending a tty. | |
fdc496e7 | 4042 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 4043 | See `suspend-tty'. */); |
e4019195 | 4044 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4045 | |
4046 | ||
e4019195 DN |
4047 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
4048 | doc: /* Functions to be run after resuming a tty. | |
fdc496e7 | 4049 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 4050 | See `resume-tty'. */); |
e4019195 | 4051 | Vresume_tty_functions = Qnil; |
a168702a | 4052 | |
0db017c0 SM |
4053 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
4054 | doc: /* Non-nil means to make the cursor very visible. | |
4055 | This only has an effect when running in a text terminal. | |
4056 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4057 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4058 | visible_cursor = 1; | |
4059 | ||
a168702a | 4060 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4061 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4062 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4063 | defsubr (&Stty_type); |
4064 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
4065 | defsubr (&Ssuspend_tty); |
4066 | defsubr (&Sresume_tty); | |
7e5a23bd | 4067 | #ifdef HAVE_GPM |
6178ce5e SM |
4068 | defsubr (&Sgpm_mouse_start); |
4069 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 4070 | |
6178ce5e | 4071 | staticpro (&mouse_face_window); |
7e5a23bd | 4072 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4073 | |
84704c5c | 4074 | #ifndef DOS_NT |
3a7c5d40 CY |
4075 | default_orig_pair = NULL; |
4076 | default_set_foreground = NULL; | |
4077 | default_set_background = NULL; | |
84704c5c | 4078 | #endif /* !DOS_NT */ |
d31eee5e CY |
4079 | |
4080 | encode_terminal_src = NULL; | |
4081 | encode_terminal_dst = NULL; | |
07c57952 | 4082 | } |
a168702a | 4083 | |
819b8f00 KL |
4084 | |
4085 | ||
6b61353c KH |
4086 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
4087 | (do not change this comment) */ |