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, |
114f9c96 | 3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
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 | |
3d608a86 J |
37 | #ifdef HAVE_SYS_IOCTL_H |
38 | #include <sys/ioctl.h> | |
39 | #endif | |
03a1d6bd KL |
40 | |
41 | #include <signal.h> | |
7c401d15 | 42 | #include <stdarg.h> |
d7306fe6 | 43 | #include <setjmp.h> |
0c72d684 | 44 | |
9628b887 | 45 | #include "lisp.h" |
08a24c47 JB |
46 | #include "termchar.h" |
47 | #include "termopts.h" | |
9332ea03 KH |
48 | #include "buffer.h" |
49 | #include "character.h" | |
a4decb7f KH |
50 | #include "charset.h" |
51 | #include "coding.h" | |
4c12d738 | 52 | #include "composite.h" |
2538fae4 | 53 | #include "keyboard.h" |
ff11dfa1 | 54 | #include "frame.h" |
08a24c47 JB |
55 | #include "disptab.h" |
56 | #include "termhooks.h" | |
dfcf069d | 57 | #include "dispextern.h" |
a168702a | 58 | #include "window.h" |
8feddab4 | 59 | #include "keymap.h" |
1a935bfd | 60 | #include "blockinput.h" |
03a1d6bd KL |
61 | #include "syssignal.h" |
62 | #include "systty.h" | |
c9612b8e | 63 | #include "intervals.h" |
84704c5c EZ |
64 | #ifdef MSDOS |
65 | #include "msdos.h" | |
66 | static int been_here = -1; | |
67 | #endif | |
a168702a | 68 | |
ff23e1dd GM |
69 | /* For now, don't try to include termcap.h. On some systems, |
70 | configure finds a non-standard termcap.h that the main build | |
71 | won't find. */ | |
f57e2426 J |
72 | extern void tputs (const char *, int, int (*)(int)); |
73 | extern int tgetent (char *, const char *); | |
74 | extern int tgetflag (char *id); | |
75 | extern int tgetnum (char *id); | |
b0f61f15 | 76 | |
eccec691 | 77 | #include "cm.h" |
dfcf069d AS |
78 | #ifdef HAVE_X_WINDOWS |
79 | #include "xterm.h" | |
80 | #endif | |
c8951b18 | 81 | |
28d440ab KL |
82 | #ifndef O_RDWR |
83 | #define O_RDWR 2 | |
84 | #endif | |
6b61353c | 85 | |
0c72d684 KL |
86 | #ifndef O_NOCTTY |
87 | #define O_NOCTTY 0 | |
88 | #endif | |
6b61353c | 89 | |
78048085 EZ |
90 | /* The name of the default console device. */ |
91 | #ifdef WINDOWSNT | |
92 | #define DEV_TTY "CONOUT$" | |
93 | #else | |
94 | #define DEV_TTY "/dev/tty" | |
95 | #endif | |
a168702a | 96 | |
f57e2426 J |
97 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
98 | static void turn_on_face (struct frame *, int face_id); | |
99 | static void turn_off_face (struct frame *, int face_id); | |
100 | static void tty_show_cursor (struct tty_display_info *); | |
101 | static void tty_hide_cursor (struct tty_display_info *); | |
102 | static void tty_background_highlight (struct tty_display_info *tty); | |
103 | static void clear_tty_hooks (struct terminal *terminal); | |
104 | static void set_tty_hooks (struct terminal *terminal); | |
105 | static void dissociate_if_controlling_tty (int fd); | |
106 | static void delete_tty (struct terminal *); | |
b3ffc17c DN |
107 | static void maybe_fatal (int must_succeed, struct terminal *terminal, |
108 | const char *str1, const char *str2, ...) NO_RETURN; | |
109 | static void vfatal (const char *str, va_list ap) NO_RETURN; | |
110 | ||
a168702a | 111 | |
6548cf00 KL |
112 | #define OUTPUT(tty, a) \ |
113 | emacs_tputs ((tty), a, \ | |
114 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
115 | - curY (tty)), \ | |
116 | cmputc) | |
117 | ||
28d440ab KL |
118 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
119 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 120 | |
28d440ab | 121 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
122 | do { \ |
123 | if (a) \ | |
124 | emacs_tputs ((tty), a, \ | |
125 | (int) (FRAME_LINES (XFRAME (selected_frame)) \ | |
126 | - curY (tty) ), \ | |
127 | cmputc); \ | |
128 | } while (0) | |
177c0ea7 | 129 | |
28d440ab | 130 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 131 | |
0db017c0 SM |
132 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
133 | ||
134 | static int visible_cursor; | |
135 | ||
f46c2aff | 136 | /* Display space properties */ |
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 | ||
361358ea | 187 | char *tparam (char *, char *, int, int, ...); |
e4bfb3b6 | 188 | |
d3da34e0 | 189 | extern char *tgetstr (char *, char **); |
08a24c47 | 190 | \f |
cb28b9c2 | 191 | |
7e5a23bd | 192 | #ifdef HAVE_GPM |
e882229c | 193 | #include <sys/fcntl.h> |
e882229c | 194 | |
c532d349 | 195 | static void term_clear_mouse_face (void); |
b870aa61 SM |
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 * | |
d3da34e0 | 566 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 567 | { |
feef4f84 | 568 | struct glyph *src_end = src + src_len; |
288d5132 KH |
569 | unsigned char *buf; |
570 | int nchars, nbytes, required; | |
a4decb7f KH |
571 | register int tlen = GLYPH_TABLE_LENGTH; |
572 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 573 | Lisp_Object charset_list; |
c5a518df | 574 | |
288d5132 KH |
575 | /* Allocate sufficient size of buffer to store all characters in |
576 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
577 | Vglyph_table contains a string or a composite glyph is |
578 | encountered. */ | |
288d5132 KH |
579 | required = MAX_MULTIBYTE_LENGTH * src_len; |
580 | if (encode_terminal_src_size < required) | |
581 | { | |
d31eee5e | 582 | if (encode_terminal_src) |
288d5132 | 583 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
d31eee5e CY |
584 | else |
585 | encode_terminal_src = xmalloc (required); | |
288d5132 KH |
586 | encode_terminal_src_size = required; |
587 | } | |
6589fd67 | 588 | |
288d5132 | 589 | charset_list = coding_charset_list (coding); |
a4decb7f | 590 | |
288d5132 KH |
591 | buf = encode_terminal_src; |
592 | nchars = 0; | |
593 | while (src < src_end) | |
a4decb7f | 594 | { |
4c12d738 KH |
595 | if (src->type == COMPOSITE_GLYPH) |
596 | { | |
75a10786 KH |
597 | struct composition *cmp; |
598 | Lisp_Object gstring; | |
4c12d738 KH |
599 | int i; |
600 | ||
601 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
602 | if (src->u.cmp.automatic) |
603 | { | |
604 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
285e85c6 | 605 | required = src->u.cmp.to + 1 - src->u.cmp.from; |
75a10786 KH |
606 | } |
607 | else | |
608 | { | |
609 | cmp = composition_table[src->u.cmp.id]; | |
610 | required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len; | |
611 | } | |
4c12d738 KH |
612 | |
613 | if (encode_terminal_src_size < nbytes + required) | |
614 | { | |
615 | encode_terminal_src_size = nbytes + required; | |
616 | encode_terminal_src = xrealloc (encode_terminal_src, | |
617 | encode_terminal_src_size); | |
618 | buf = encode_terminal_src + nbytes; | |
619 | } | |
620 | ||
75a10786 | 621 | if (src->u.cmp.automatic) |
285e85c6 | 622 | for (i = src->u.cmp.from; i <= src->u.cmp.to; i++) |
75a10786 KH |
623 | { |
624 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
625 | int c = LGLYPH_CHAR (g); | |
626 | ||
627 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 628 | c = '?'; |
75a10786 KH |
629 | buf += CHAR_STRING (c, buf); |
630 | nchars++; | |
631 | } | |
632 | else | |
633 | for (i = 0; i < cmp->glyph_len; i++) | |
634 | { | |
635 | int c = COMPOSITION_GLYPH (cmp, i); | |
636 | ||
d0984aff KH |
637 | if (c == '\t') |
638 | continue; | |
639 | if (char_charset (c, charset_list, NULL)) | |
640 | { | |
641 | if (CHAR_WIDTH (c) == 0 | |
642 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
643 | /* Should be left-padded */ | |
644 | { | |
645 | buf += CHAR_STRING (' ', buf); | |
646 | nchars++; | |
647 | } | |
648 | } | |
649 | else | |
650 | c = '?'; | |
75a10786 KH |
651 | buf += CHAR_STRING (c, buf); |
652 | nchars++; | |
653 | } | |
4c12d738 | 654 | } |
a4decb7f | 655 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 656 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 657 | { |
f4d953fc | 658 | GLYPH g; |
288d5132 KH |
659 | int c; |
660 | Lisp_Object string; | |
661 | ||
4ae0a2c0 | 662 | string = Qnil; |
f4d953fc | 663 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 664 | |
f4d953fc | 665 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 666 | { |
f185a758 | 667 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
668 | c = src->u.ch; |
669 | } | |
32de38e4 | 670 | else |
a4decb7f | 671 | { |
32de38e4 | 672 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
673 | so process any alias before testing for simpleness. */ |
674 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
675 | |
676 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
677 | /* We set the multi-byte form of a character in G |
678 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 679 | c = GLYPH_CHAR (g); |
32de38e4 | 680 | else |
4ae0a2c0 | 681 | /* We have a string in Vglyph_table. */ |
f4d953fc | 682 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 683 | } |
177c0ea7 | 684 | |
4ae0a2c0 | 685 | if (NILP (string)) |
c42869c4 | 686 | { |
4c12d738 KH |
687 | nbytes = buf - encode_terminal_src; |
688 | if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH) | |
689 | { | |
690 | encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH; | |
691 | encode_terminal_src = xrealloc (encode_terminal_src, | |
692 | encode_terminal_src_size); | |
693 | buf = encode_terminal_src + nbytes; | |
694 | } | |
288d5132 | 695 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 696 | { |
288d5132 KH |
697 | /* Store the multibyte form of C at BUF. */ |
698 | buf += CHAR_STRING (c, buf); | |
699 | nchars++; | |
c5a518df KH |
700 | } |
701 | else | |
702 | { | |
288d5132 KH |
703 | /* C is not encodable. */ |
704 | *buf++ = '?'; | |
c5a518df | 705 | nchars++; |
288d5132 KH |
706 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
707 | { | |
708 | *buf++ = '?'; | |
709 | nchars++; | |
710 | src++; | |
711 | } | |
c5a518df | 712 | } |
4ae0a2c0 KH |
713 | } |
714 | else | |
715 | { | |
37254dc1 | 716 | unsigned char *p = SDATA (string); |
288d5132 KH |
717 | |
718 | if (! STRING_MULTIBYTE (string)) | |
719 | string = string_to_multibyte (string); | |
720 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 721 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 722 | { |
288d5132 KH |
723 | encode_terminal_src_size = nbytes + SBYTES (string); |
724 | encode_terminal_src = xrealloc (encode_terminal_src, | |
725 | encode_terminal_src_size); | |
726 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 727 | } |
72af86bd | 728 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
729 | buf += SBYTES (string); |
730 | nchars += SCHARS (string); | |
c42869c4 | 731 | } |
a4decb7f | 732 | } |
288d5132 KH |
733 | src++; |
734 | } | |
735 | ||
736 | if (nchars == 0) | |
737 | { | |
738 | coding->produced = 0; | |
739 | return NULL; | |
a4decb7f | 740 | } |
177c0ea7 | 741 | |
288d5132 KH |
742 | nbytes = buf - encode_terminal_src; |
743 | coding->source = encode_terminal_src; | |
744 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 745 | { |
288d5132 | 746 | encode_terminal_dst_size = encode_terminal_src_size; |
d31eee5e CY |
747 | if (encode_terminal_dst) |
748 | encode_terminal_dst = xrealloc (encode_terminal_dst, | |
749 | encode_terminal_dst_size); | |
750 | else | |
751 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 752 | } |
288d5132 KH |
753 | coding->destination = encode_terminal_dst; |
754 | coding->dst_bytes = encode_terminal_dst_size; | |
755 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 756 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
757 | encode_terminal_dst = coding->destination; |
758 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 759 | |
288d5132 | 760 | return (encode_terminal_dst); |
a4decb7f KH |
761 | } |
762 | ||
08a24c47 | 763 | |
c73bd236 | 764 | |
da8e1115 KL |
765 | /* An implementation of write_glyphs for termcap frames. */ |
766 | ||
ed8dad6b | 767 | static void |
385ed61f | 768 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 769 | { |
288d5132 KH |
770 | unsigned char *conversion_buffer; |
771 | struct coding_system *coding; | |
08a24c47 | 772 | |
3224dac1 | 773 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 774 | |
ed8dad6b | 775 | tty_turn_off_insert (tty); |
fca177d4 | 776 | tty_hide_cursor (tty); |
08a24c47 | 777 | |
a168702a | 778 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 779 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 780 | |
6548cf00 KL |
781 | if (AutoWrap (tty) |
782 | && curY (tty) + 1 == FRAME_LINES (f) | |
783 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 784 | len --; |
a4decb7f KH |
785 | if (len <= 0) |
786 | return; | |
08a24c47 | 787 | |
6548cf00 | 788 | cmplus (tty, len); |
177c0ea7 | 789 | |
af645abf KH |
790 | /* If terminal_coding does any conversion, use it, otherwise use |
791 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
792 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
793 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
794 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
795 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
796 | the tail. */ | |
af645abf | 797 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 798 | |
a4decb7f | 799 | while (len > 0) |
08a24c47 | 800 | { |
a168702a | 801 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 802 | int face_id = string->face_id; |
a168702a | 803 | int n; |
177c0ea7 | 804 | |
a168702a | 805 | for (n = 1; n < len; ++n) |
32de38e4 | 806 | if (string[n].face_id != face_id) |
a168702a GM |
807 | break; |
808 | ||
809 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 810 | tty_highlight_if_desired (tty); |
a168702a GM |
811 | turn_on_face (f, face_id); |
812 | ||
288d5132 KH |
813 | if (n == len) |
814 | /* This is the last run. */ | |
815 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
816 | conversion_buffer = encode_terminal_code (string, n, coding); | |
817 | if (coding->produced > 0) | |
08a24c47 | 818 | { |
1a935bfd | 819 | BLOCK_INPUT; |
fad2f685 KL |
820 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
821 | if (ferror (tty->output)) | |
822 | clearerr (tty->output); | |
823 | if (tty->termscript) | |
824 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
1a935bfd | 825 | UNBLOCK_INPUT; |
08a24c47 | 826 | } |
288d5132 KH |
827 | len -= n; |
828 | string += n; | |
a168702a GM |
829 | |
830 | /* Turn appearance modes off. */ | |
831 | turn_off_face (f, face_id); | |
ed8dad6b | 832 | tty_turn_off_highlight (tty); |
a4decb7f | 833 | } |
177c0ea7 | 834 | |
6548cf00 | 835 | cmcheckmagic (tty); |
08a24c47 JB |
836 | } |
837 | ||
b870aa61 SM |
838 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
839 | ||
7be1c21a | 840 | static void |
d3da34e0 JB |
841 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
842 | register int len, register int face_id) | |
e882229c | 843 | { |
e882229c NR |
844 | unsigned char *conversion_buffer; |
845 | struct coding_system *coding; | |
846 | ||
7be1c21a MB |
847 | struct tty_display_info *tty = FRAME_TTY (f); |
848 | ||
849 | tty_turn_off_insert (tty); | |
850 | tty_hide_cursor (tty); | |
e882229c NR |
851 | |
852 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
853 | since that would scroll the whole frame on some terminals. */ | |
854 | ||
7be1c21a MB |
855 | if (AutoWrap (tty) |
856 | && curY (tty) + 1 == FRAME_LINES (f) | |
857 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
858 | len --; |
859 | if (len <= 0) | |
860 | return; | |
861 | ||
7be1c21a | 862 | cmplus (tty, len); |
e882229c NR |
863 | |
864 | /* If terminal_coding does any conversion, use it, otherwise use | |
865 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
866 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
867 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
868 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
869 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
870 | the tail. */ | |
871 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
872 | ||
e882229c | 873 | /* Turn appearance modes of the face. */ |
7be1c21a | 874 | tty_highlight_if_desired (tty); |
e882229c NR |
875 | turn_on_face (f, face_id); |
876 | ||
877 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
878 | conversion_buffer = encode_terminal_code (string, len, coding); | |
879 | if (coding->produced > 0) | |
880 | { | |
881 | BLOCK_INPUT; | |
7be1c21a MB |
882 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
883 | if (ferror (tty->output)) | |
884 | clearerr (tty->output); | |
885 | if (tty->termscript) | |
886 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
e882229c NR |
887 | UNBLOCK_INPUT; |
888 | } | |
889 | ||
890 | /* Turn appearance modes off. */ | |
891 | turn_off_face (f, face_id); | |
7be1c21a | 892 | tty_turn_off_highlight (tty); |
e882229c | 893 | |
7be1c21a | 894 | cmcheckmagic (tty); |
e882229c | 895 | } |
b870aa61 | 896 | #endif |
e882229c | 897 | |
da8e1115 | 898 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 899 | |
ed8dad6b | 900 | static void |
385ed61f | 901 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
902 | { |
903 | char *buf; | |
6bbd7a29 | 904 | struct glyph *glyph = NULL; |
af645abf KH |
905 | unsigned char *conversion_buffer; |
906 | unsigned char space[1]; | |
907 | struct coding_system *coding; | |
08a24c47 | 908 | |
3224dac1 | 909 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 910 | |
fca177d4 | 911 | if (tty->TS_ins_multi_chars) |
08a24c47 | 912 | { |
fca177d4 | 913 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len); |
6548cf00 | 914 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 915 | xfree (buf); |
08a24c47 | 916 | if (start) |
385ed61f | 917 | write_glyphs (f, start, len); |
08a24c47 JB |
918 | return; |
919 | } | |
920 | ||
ed8dad6b | 921 | tty_turn_on_insert (tty); |
6548cf00 | 922 | cmplus (tty, len); |
288d5132 KH |
923 | |
924 | if (! start) | |
925 | space[0] = SPACEGLYPH; | |
926 | ||
927 | /* If terminal_coding does any conversion, use it, otherwise use | |
928 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
929 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
930 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
931 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
932 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
933 | the tail. */ | |
934 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
935 | ||
07109bf9 | 936 | while (len-- > 0) |
08a24c47 | 937 | { |
fca177d4 | 938 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 939 | if (!start) |
32de38e4 | 940 | { |
288d5132 KH |
941 | conversion_buffer = space; |
942 | coding->produced = 1; | |
32de38e4 | 943 | } |
08a24c47 | 944 | else |
08a24c47 | 945 | { |
ed8dad6b | 946 | tty_highlight_if_desired (tty); |
32de38e4 | 947 | turn_on_face (f, start->face_id); |
816be8b8 | 948 | glyph = start; |
a168702a | 949 | ++start; |
a4decb7f KH |
950 | /* We must open sufficient space for a character which |
951 | occupies more than one column. */ | |
a168702a | 952 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 953 | { |
fca177d4 | 954 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
955 | start++, len--; |
956 | } | |
288d5132 KH |
957 | |
958 | if (len <= 0) | |
959 | /* This is the last glyph. */ | |
960 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
961 | ||
fad2f685 | 962 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 963 | } |
a4decb7f | 964 | |
288d5132 | 965 | if (coding->produced > 0) |
08a24c47 | 966 | { |
1a935bfd | 967 | BLOCK_INPUT; |
fad2f685 | 968 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
969 | if (ferror (tty->output)) |
970 | clearerr (tty->output); | |
971 | if (tty->termscript) | |
fad2f685 | 972 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
1a935bfd | 973 | UNBLOCK_INPUT; |
08a24c47 JB |
974 | } |
975 | ||
fca177d4 | 976 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 977 | if (start) |
65aa5e85 GM |
978 | { |
979 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 980 | tty_turn_off_highlight (tty); |
65aa5e85 | 981 | } |
9a6b6f92 | 982 | } |
177c0ea7 | 983 | |
6548cf00 | 984 | cmcheckmagic (tty); |
08a24c47 JB |
985 | } |
986 | ||
da8e1115 KL |
987 | /* An implementation of delete_glyphs for termcap frames. */ |
988 | ||
ed8dad6b | 989 | static void |
385ed61f | 990 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
991 | { |
992 | char *buf; | |
993 | register int i; | |
994 | ||
3224dac1 | 995 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 996 | |
fca177d4 | 997 | if (tty->delete_in_insert_mode) |
08a24c47 | 998 | { |
ed8dad6b | 999 | tty_turn_on_insert (tty); |
08a24c47 JB |
1000 | } |
1001 | else | |
1002 | { | |
ed8dad6b | 1003 | tty_turn_off_insert (tty); |
fca177d4 | 1004 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
1005 | } |
1006 | ||
fca177d4 | 1007 | if (tty->TS_del_multi_chars) |
08a24c47 | 1008 | { |
fca177d4 | 1009 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n); |
6548cf00 | 1010 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 1011 | xfree (buf); |
08a24c47 JB |
1012 | } |
1013 | else | |
1014 | for (i = 0; i < n; i++) | |
fca177d4 KL |
1015 | OUTPUT1 (tty, tty->TS_del_char); |
1016 | if (!tty->delete_in_insert_mode) | |
1017 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
1018 | } |
1019 | \f | |
da8e1115 | 1020 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 1021 | |
ed8dad6b | 1022 | static void |
385ed61f | 1023 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 1024 | { |
3224dac1 KL |
1025 | struct tty_display_info *tty = FRAME_TTY (f); |
1026 | char *multi = n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
1027 | char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
1028 | char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 JB |
1029 | |
1030 | register int i = n > 0 ? n : -n; | |
1031 | register char *buf; | |
1032 | ||
08a24c47 JB |
1033 | /* If the lines below the insertion are being pushed |
1034 | into the end of the window, this is the same as clearing; | |
1035 | and we know the lines are already clear, since the matching | |
1036 | deletion has already been done. So can ignore this. */ | |
1037 | /* If the lines below the deletion are blank lines coming | |
1038 | out of the end of the window, don't bother, | |
1039 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
1040 | if (FRAME_SCROLL_REGION_OK (f) |
1041 | && vpos + i >= tty->specified_window) | |
08a24c47 | 1042 | return; |
3224dac1 KL |
1043 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
1044 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 1045 | return; |
f4d953fc | 1046 | |
08a24c47 JB |
1047 | if (multi) |
1048 | { | |
6839f1e2 | 1049 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1050 | tty_background_highlight (tty); |
08a24c47 | 1051 | buf = tparam (multi, 0, 0, i); |
3224dac1 | 1052 | OUTPUT (tty, buf); |
9ac0d9e0 | 1053 | xfree (buf); |
08a24c47 JB |
1054 | } |
1055 | else if (single) | |
1056 | { | |
6839f1e2 | 1057 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1058 | tty_background_highlight (tty); |
08a24c47 | 1059 | while (--i >= 0) |
3224dac1 KL |
1060 | OUTPUT (tty, single); |
1061 | if (tty->TF_teleray) | |
1062 | curX (tty) = 0; | |
08a24c47 JB |
1063 | } |
1064 | else | |
1065 | { | |
ed8dad6b | 1066 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 1067 | if (n < 0) |
6839f1e2 | 1068 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 1069 | else |
6839f1e2 | 1070 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 1071 | tty_background_highlight (tty); |
08a24c47 | 1072 | while (--i >= 0) |
3224dac1 | 1073 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 1074 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1075 | } |
f4d953fc | 1076 | |
3224dac1 KL |
1077 | if (!FRAME_SCROLL_REGION_OK (f) |
1078 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1079 | && n < 0) | |
08a24c47 | 1080 | { |
385ed61f KL |
1081 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1082 | clear_to_end (f); | |
08a24c47 JB |
1083 | } |
1084 | } | |
1085 | \f | |
1086 | /* Compute cost of sending "str", in characters, | |
1087 | not counting any line-dependent padding. */ | |
1088 | ||
1089 | int | |
6839f1e2 | 1090 | string_cost (char *str) |
08a24c47 JB |
1091 | { |
1092 | cost = 0; | |
1093 | if (str) | |
1094 | tputs (str, 0, evalcost); | |
1095 | return cost; | |
1096 | } | |
1097 | ||
1098 | /* Compute cost of sending "str", in characters, | |
1099 | counting any line-dependent padding at one line. */ | |
1100 | ||
1101 | static int | |
6839f1e2 | 1102 | string_cost_one_line (char *str) |
08a24c47 JB |
1103 | { |
1104 | cost = 0; | |
1105 | if (str) | |
1106 | tputs (str, 1, evalcost); | |
1107 | return cost; | |
1108 | } | |
1109 | ||
1110 | /* Compute per line amount of line-dependent padding, | |
1111 | in tenths of characters. */ | |
1112 | ||
1113 | int | |
6839f1e2 | 1114 | per_line_cost (char *str) |
08a24c47 JB |
1115 | { |
1116 | cost = 0; | |
1117 | if (str) | |
1118 | tputs (str, 0, evalcost); | |
1119 | cost = - cost; | |
1120 | if (str) | |
1121 | tputs (str, 10, evalcost); | |
1122 | return cost; | |
1123 | } | |
1124 | ||
08a24c47 | 1125 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1126 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1127 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1128 | |
1129 | int *char_ins_del_vector; | |
1130 | ||
9882535b | 1131 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1132 | |
1133 | /* ARGSUSED */ | |
1134 | static void | |
6839f1e2 | 1135 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1136 | { |
28d7d09f | 1137 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1138 | int ins_startup_cost, del_startup_cost; |
1139 | int ins_cost_per_char, del_cost_per_char; | |
1140 | register int i; | |
1141 | register int *p; | |
1142 | ||
fca177d4 | 1143 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1144 | { |
1145 | ins_cost_per_char = 0; | |
fca177d4 | 1146 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1147 | } |
fca177d4 KL |
1148 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1149 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1150 | { |
fca177d4 KL |
1151 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1152 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1153 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1154 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1155 | } |
1156 | else | |
1157 | { | |
1158 | ins_startup_cost = 9999; | |
1159 | ins_cost_per_char = 0; | |
1160 | } | |
1161 | ||
fca177d4 | 1162 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1163 | { |
1164 | del_cost_per_char = 0; | |
fca177d4 | 1165 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1166 | } |
fca177d4 | 1167 | else if (tty->TS_del_char) |
08a24c47 | 1168 | { |
fca177d4 KL |
1169 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1170 | + string_cost (tty->TS_end_delete_mode)); | |
1171 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1172 | del_startup_cost /= 2; |
fca177d4 | 1173 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1174 | } |
1175 | else | |
1176 | { | |
1177 | del_startup_cost = 9999; | |
1178 | del_cost_per_char = 0; | |
1179 | } | |
1180 | ||
1181 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1182 | p = &char_ins_del_cost (f)[0]; |
1183 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1184 | *--p = (del_startup_cost += del_cost_per_char); |
1185 | ||
1186 | /* Doing nothing is free */ | |
fca177d4 | 1187 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1188 | *p++ = 0; |
1189 | ||
1190 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1191 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1192 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1193 | } | |
1194 | ||
dfcf069d | 1195 | void |
6839f1e2 | 1196 | calculate_costs (struct frame *frame) |
08a24c47 | 1197 | { |
9f732a77 | 1198 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1199 | |
28d440ab | 1200 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1201 | { |
1202 | struct tty_display_info *tty = FRAME_TTY (frame); | |
1203 | register char *f = (tty->TS_set_scroll_region | |
1204 | ? tty->TS_set_scroll_region | |
1205 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1206 | |
daf01701 | 1207 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1208 | |
daf01701 | 1209 | tty->costs_set = 1; |
08a24c47 | 1210 | |
daf01701 KL |
1211 | /* These variables are only used for terminal stuff. They are |
1212 | allocated once for the terminal frame of X-windows emacs, but not | |
1213 | used afterwards. | |
8dd0c7cb | 1214 | |
daf01701 KL |
1215 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1216 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1217 | |
daf01701 KL |
1218 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1219 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
08a24c47 | 1220 | |
daf01701 KL |
1221 | if (char_ins_del_vector != 0) |
1222 | char_ins_del_vector | |
1223 | = (int *) xrealloc (char_ins_del_vector, | |
1224 | (sizeof (int) | |
1225 | + 2 * max_frame_cols * sizeof (int))); | |
1226 | else | |
1227 | char_ins_del_vector | |
1228 | = (int *) xmalloc (sizeof (int) | |
1229 | + 2 * max_frame_cols * sizeof (int)); | |
08a24c47 | 1230 | |
72af86bd AS |
1231 | memset (char_ins_del_vector, 0, |
1232 | (sizeof (int) + 2 * max_frame_cols * sizeof (int))); | |
08a24c47 | 1233 | |
daf01701 KL |
1234 | |
1235 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1236 | do_line_insertion_deletion_costs (frame, | |
1237 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1238 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1239 | f, f, 1); | |
1240 | else | |
1241 | do_line_insertion_deletion_costs (frame, | |
1242 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1243 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1244 | 0, 0, 1); | |
1245 | ||
1246 | calculate_ins_del_char_costs (frame); | |
1247 | ||
1248 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1249 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1250 | tty->RPov = string_cost (tty->TS_repeat); | |
1251 | else | |
1252 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1253 | |
daf01701 KL |
1254 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1255 | } | |
08a24c47 JB |
1256 | } |
1257 | \f | |
a796ac82 JB |
1258 | struct fkey_table { |
1259 | char *cap, *name; | |
1260 | }; | |
1261 | ||
01d8deb0 ER |
1262 | /* Termcap capability names that correspond directly to X keysyms. |
1263 | Some of these (marked "terminfo") aren't supplied by old-style | |
1264 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1265 | except we put the keypad keys first, so that if they clash with | |
1266 | other keys (as on the IBM PC keyboard) they get overridden. | |
1267 | */ | |
1268 | ||
a168702a GM |
1269 | static struct fkey_table keys[] = |
1270 | { | |
8103ad1a PJ |
1271 | {"kh", "home"}, /* termcap */ |
1272 | {"kl", "left"}, /* termcap */ | |
1273 | {"ku", "up"}, /* termcap */ | |
1274 | {"kr", "right"}, /* termcap */ | |
1275 | {"kd", "down"}, /* termcap */ | |
1276 | {"%8", "prior"}, /* terminfo */ | |
1277 | {"%5", "next"}, /* terminfo */ | |
1278 | {"@7", "end"}, /* terminfo */ | |
1279 | {"@1", "begin"}, /* terminfo */ | |
1280 | {"*6", "select"}, /* terminfo */ | |
1281 | {"%9", "print"}, /* terminfo */ | |
1282 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1283 | /* |
1284 | * "insert" --- see below | |
1285 | */ | |
8103ad1a PJ |
1286 | {"&8", "undo"}, /* terminfo */ |
1287 | {"%0", "redo"}, /* terminfo */ | |
1288 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1289 | {"@0", "find"}, /* terminfo */ | |
1290 | {"@2", "cancel"}, /* terminfo */ | |
1291 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1292 | /* |
1293 | * "break" goes here, but can't be reliably intercepted with termcap | |
1294 | */ | |
8103ad1a | 1295 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1296 | /* |
1297 | * "system" and "user" --- no termcaps | |
1298 | */ | |
8103ad1a PJ |
1299 | {"kE", "clearline"}, /* terminfo */ |
1300 | {"kA", "insertline"}, /* terminfo */ | |
1301 | {"kL", "deleteline"}, /* terminfo */ | |
1302 | {"kI", "insertchar"}, /* terminfo */ | |
1303 | {"kD", "deletechar"}, /* terminfo */ | |
1304 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1305 | /* |
1306 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1307 | */ | |
8103ad1a | 1308 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1309 | /* |
1310 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1311 | * "kp-multiply", "kp-add", "kp-separator", | |
1312 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1313 | * --- no termcaps for any of these. | |
1314 | */ | |
8103ad1a | 1315 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1316 | /* |
1317 | * "kp-2" --- no termcap | |
1318 | */ | |
8103ad1a | 1319 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1320 | /* |
1321 | * "kp-4" --- no termcap | |
1322 | */ | |
8103ad1a | 1323 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1324 | /* |
1325 | * "kp-6" --- no termcap | |
1326 | */ | |
8103ad1a | 1327 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1328 | /* |
1329 | * "kp-8" --- no termcap | |
1330 | */ | |
8103ad1a | 1331 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1332 | /* |
1333 | * "kp-equal" --- no termcap | |
1334 | */ | |
8103ad1a PJ |
1335 | {"k1", "f1"}, |
1336 | {"k2", "f2"}, | |
1337 | {"k3", "f3"}, | |
1338 | {"k4", "f4"}, | |
1339 | {"k5", "f5"}, | |
1340 | {"k6", "f6"}, | |
1341 | {"k7", "f7"}, | |
1342 | {"k8", "f8"}, | |
60ec7b7e DN |
1343 | {"k9", "f9"}, |
1344 | ||
1345 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1346 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1347 | {"*0", "S-find"}, /*shifted find key*/ | |
1348 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1349 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1350 | {"*7", "S-end"}, /*shifted end key*/ | |
1351 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1352 | {"#1", "S-help"}, /*shifted help key*/ | |
1353 | {"#2", "S-home"}, /*shifted home key*/ | |
1354 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1355 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1356 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1357 | {"%c", "S-next"}, /*shifted next key*/ | |
1358 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1359 | {"%f", "S-print"}, /*shifted print key*/ | |
1360 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1361 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1362 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1363 | }; |
1364 | ||
361358ea | 1365 | #ifndef DOS_NT |
e7cf0fa0 KL |
1366 | static char **term_get_fkeys_address; |
1367 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1368 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1369 | |
4f4a84ec | 1370 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1371 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1372 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1373 | |
ed8dad6b | 1374 | static void |
d3da34e0 | 1375 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1376 | { |
1377 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1378 | errors during the call. The only errors should be from Fdefine_key | |
1379 | when given a key sequence containing an invalid prefix key. If the | |
1380 | termcap defines function keys which use a prefix that is already bound | |
1381 | to a command by the default bindings, we should silently ignore that | |
1382 | function key specification, rather than giving the user an error and | |
1383 | refusing to run at all on such a terminal. */ | |
1384 | ||
e7cf0fa0 KL |
1385 | term_get_fkeys_address = address; |
1386 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1387 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1388 | } | |
1389 | ||
1390 | static Lisp_Object | |
d3da34e0 | 1391 | term_get_fkeys_1 (void) |
5c2c7893 | 1392 | { |
5c2c7893 JB |
1393 | int i; |
1394 | ||
e7cf0fa0 KL |
1395 | char **address = term_get_fkeys_address; |
1396 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1397 | |
3e65092f | 1398 | /* This can happen if CANNOT_DUMP or with strange options. */ |
4f4a84ec SM |
1399 | if (!KEYMAPP (kboard->Vinput_decode_map)) |
1400 | kboard->Vinput_decode_map = Fmake_sparse_keymap (Qnil); | |
3e65092f | 1401 | |
5c2c7893 JB |
1402 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1403 | { | |
1404 | char *sequence = tgetstr (keys[i].cap, address); | |
1405 | if (sequence) | |
4f4a84ec | 1406 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1407 | Fmake_vector (make_number (1), |
1408 | intern (keys[i].name))); | |
5c2c7893 | 1409 | } |
a796ac82 JB |
1410 | |
1411 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1412 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1413 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1414 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1415 | */ | |
1416 | { | |
1417 | char *k_semi = tgetstr ("k;", address); | |
1418 | char *k0 = tgetstr ("k0", address); | |
1419 | char *k0_name = "f10"; | |
1420 | ||
1421 | if (k_semi) | |
1422 | { | |
95c11956 SM |
1423 | if (k0) |
1424 | /* Define f0 first, so that f10 takes precedence in case the | |
1425 | key sequences happens to be the same. */ | |
4f4a84ec | 1426 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
95c11956 | 1427 | Fmake_vector (make_number (1), intern ("f0"))); |
4f4a84ec | 1428 | Fdefine_key (kboard->Vinput_decode_map, build_string (k_semi), |
f2a00342 | 1429 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1430 | } |
95c11956 | 1431 | else if (k0) |
4f4a84ec | 1432 | Fdefine_key (kboard->Vinput_decode_map, build_string (k0), |
f2a00342 | 1433 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1434 | } |
01d8deb0 ER |
1435 | |
1436 | /* Set up cookies for numbered function keys above f10. */ | |
1437 | { | |
1438 | char fcap[3], fkey[4]; | |
1439 | ||
fc4f24da | 1440 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1441 | for (i = 11; i < 64; i++) |
1442 | { | |
1443 | if (i <= 19) | |
1444 | fcap[1] = '1' + i - 11; | |
1445 | else if (i <= 45) | |
b59ab95c | 1446 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1447 | else |
b59ab95c | 1448 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1449 | |
fc4f24da RS |
1450 | { |
1451 | char *sequence = tgetstr (fcap, address); | |
1452 | if (sequence) | |
1453 | { | |
465db27b | 1454 | sprintf (fkey, "f%d", i); |
4f4a84ec | 1455 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), |
f2a00342 RM |
1456 | Fmake_vector (make_number (1), |
1457 | intern (fkey))); | |
fc4f24da RS |
1458 | } |
1459 | } | |
01d8deb0 ER |
1460 | } |
1461 | } | |
1462 | ||
1463 | /* | |
1464 | * Various mappings to try and get a better fit. | |
1465 | */ | |
1466 | { | |
fc4f24da RS |
1467 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1468 | if (!tgetstr (cap1, address)) \ | |
1469 | { \ | |
1470 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1471 | if (sequence) \ |
4f4a84ec | 1472 | Fdefine_key (kboard->Vinput_decode_map, build_string (sequence), \ |
e7cf0fa0 KL |
1473 | Fmake_vector (make_number (1), \ |
1474 | intern (sym))); \ | |
fc4f24da | 1475 | } |
177c0ea7 | 1476 | |
01d8deb0 | 1477 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1478 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1479 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1480 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1481 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1482 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1483 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1484 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1485 | |
1486 | /* IBM has their own non-standard dialect of terminfo. | |
1487 | If the standard name isn't found, try the IBM name. */ | |
1488 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1489 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1490 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1491 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1492 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1493 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1494 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1495 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1496 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1497 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1498 | } |
a168702a GM |
1499 | |
1500 | return Qnil; | |
5c2c7893 | 1501 | } |
361358ea | 1502 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1503 | |
1504 | \f | |
a168702a GM |
1505 | /*********************************************************************** |
1506 | Character Display Information | |
1507 | ***********************************************************************/ | |
f57e2426 J |
1508 | static void append_glyph (struct it *); |
1509 | static void produce_stretch_glyph (struct it *); | |
1510 | static void append_composite_glyph (struct it *); | |
1511 | static void produce_composite_glyph (struct it *); | |
a168702a GM |
1512 | |
1513 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1514 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1515 | the character for which to produce glyphs; IT->face_id contains the | |
1516 | character's face. Padding glyphs are appended if IT->c has a | |
1517 | IT->pixel_width > 1. */ | |
177c0ea7 | 1518 | |
a168702a | 1519 | static void |
d3da34e0 | 1520 | append_glyph (struct it *it) |
a168702a GM |
1521 | { |
1522 | struct glyph *glyph, *end; | |
1523 | int i; | |
1524 | ||
1525 | xassert (it->glyph_row); | |
1526 | glyph = (it->glyph_row->glyphs[it->area] | |
1527 | + it->glyph_row->used[it->area]); | |
1528 | end = it->glyph_row->glyphs[1 + it->area]; | |
1529 | ||
5e65aec0 EZ |
1530 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1531 | than append it. */ | |
1532 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1533 | { | |
1534 | struct glyph *g; | |
1535 | int move_by = it->pixel_width; | |
1536 | ||
1537 | /* Make room for the new glyphs. */ | |
1538 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1539 | move_by = end - glyph; | |
1540 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1541 | g[move_by] = *g; | |
1542 | glyph = it->glyph_row->glyphs[it->area]; | |
1543 | end = glyph + move_by; | |
1544 | } | |
1545 | ||
1546 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1547 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1548 | identical, and (b) the PADDING_P flag needs to be set for the | |
1549 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1550 | for (i = 0; |
1551 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1552 | ++i) |
1553 | { | |
1554 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1555 | glyph->pixel_width = 1; |
d2b4c17d | 1556 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1557 | glyph->face_id = it->face_id; |
1558 | glyph->padding_p = i > 0; | |
a168702a GM |
1559 | glyph->charpos = CHARPOS (it->position); |
1560 | glyph->object = it->object; | |
5e65aec0 EZ |
1561 | if (it->bidi_p) |
1562 | { | |
1563 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 EZ |
1564 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1565 | abort (); | |
5e65aec0 EZ |
1566 | glyph->bidi_type = it->bidi_it.type; |
1567 | } | |
9443b3c7 EZ |
1568 | else |
1569 | { | |
1570 | glyph->resolved_level = 0; | |
1571 | glyph->bidi_type = UNKNOWN_BT; | |
1572 | } | |
177c0ea7 | 1573 | |
a168702a GM |
1574 | ++it->glyph_row->used[it->area]; |
1575 | ++glyph; | |
1576 | } | |
1577 | } | |
1578 | ||
b50fe468 RS |
1579 | /* Produce glyphs for the display element described by IT. *IT |
1580 | specifies what we want to produce a glyph for (character, image, ...), | |
1581 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1582 | produce_glyphs fills in output fields of *IT with information such as the | |
1583 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1584 | the same time if IT->glyph_row is non-null. For an overview, see |
1585 | the explanation in dispextern.h, before the definition of the | |
1586 | display_element_type enumeration. | |
b50fe468 RS |
1587 | |
1588 | produce_glyphs also stores the result of glyph width, ascent | |
1589 | etc. computations in *IT. | |
1590 | ||
1591 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1592 | actually fill in the glyphs. This is used in the move_* functions | |
1593 | in xdisp.c for text width and height computations. | |
1594 | ||
1595 | Callers usually don't call produce_glyphs directly; | |
1596 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1597 | |
177c0ea7 | 1598 | void |
d3da34e0 | 1599 | produce_glyphs (struct it *it) |
a168702a GM |
1600 | { |
1601 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1602 | |
1603 | /* Nothing but characters are supported on terminal frames. */ | |
a168702a | 1604 | xassert (it->what == IT_CHARACTER |
c7cba11d | 1605 | || it->what == IT_COMPOSITION |
a168702a | 1606 | || it->what == IT_STRETCH); |
177c0ea7 | 1607 | |
6b61353c KH |
1608 | if (it->what == IT_STRETCH) |
1609 | { | |
1610 | produce_stretch_glyph (it); | |
1611 | goto done; | |
1612 | } | |
1613 | ||
4c12d738 KH |
1614 | if (it->what == IT_COMPOSITION) |
1615 | { | |
1616 | produce_composite_glyph (it); | |
1617 | goto done; | |
1618 | } | |
a168702a | 1619 | |
d2b4c17d KH |
1620 | /* Maybe translate single-byte characters to multibyte. */ |
1621 | it->char_to_display = it->c; | |
1622 | ||
a168702a GM |
1623 | if (it->c >= 040 && it->c < 0177) |
1624 | { | |
1625 | it->pixel_width = it->nglyphs = 1; | |
1626 | if (it->glyph_row) | |
1627 | append_glyph (it); | |
1628 | } | |
1629 | else if (it->c == '\n') | |
1630 | it->pixel_width = it->nglyphs = 0; | |
1631 | else if (it->c == '\t') | |
1632 | { | |
2efdbcdd | 1633 | int absolute_x = (it->current_x |
a168702a | 1634 | + it->continuation_lines_width); |
177c0ea7 JB |
1635 | int next_tab_x |
1636 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1637 | / it->tab_width) |
1638 | * it->tab_width); | |
1639 | int nspaces; | |
1640 | ||
1641 | /* If part of the TAB has been displayed on the previous line | |
1642 | which is continued now, continuation_lines_width will have | |
1643 | been incremented already by the part that fitted on the | |
1644 | continued line. So, we will get the right number of spaces | |
1645 | here. */ | |
1646 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1647 | |
a168702a GM |
1648 | if (it->glyph_row) |
1649 | { | |
1650 | int n = nspaces; | |
177c0ea7 | 1651 | |
d2b4c17d | 1652 | it->char_to_display = ' '; |
a168702a | 1653 | it->pixel_width = it->len = 1; |
177c0ea7 | 1654 | |
a168702a GM |
1655 | while (n--) |
1656 | append_glyph (it); | |
a168702a GM |
1657 | } |
1658 | ||
1659 | it->pixel_width = nspaces; | |
1660 | it->nglyphs = nspaces; | |
1661 | } | |
c5a518df | 1662 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1663 | { |
5b203baa KH |
1664 | if (unibyte_display_via_language_environment |
1665 | && (it->c >= 0240)) | |
1666 | { | |
4c0354d7 | 1667 | it->char_to_display = BYTE8_TO_CHAR (it->c); |
5b203baa KH |
1668 | it->pixel_width = CHAR_WIDTH (it->char_to_display); |
1669 | it->nglyphs = it->pixel_width; | |
1670 | if (it->glyph_row) | |
1671 | append_glyph (it); | |
1672 | } | |
1673 | else | |
1674 | { | |
1675 | /* Coming here means that it->c is from display table, thus | |
1676 | we must send the raw 8-bit byte as is to the terminal. | |
1677 | Although there's no way to know how many columns it | |
1678 | occupies on a screen, it is a good assumption that a | |
1679 | single byte code has 1-column width. */ | |
1680 | it->pixel_width = it->nglyphs = 1; | |
1681 | if (it->glyph_row) | |
1682 | append_glyph (it); | |
1683 | } | |
add44890 | 1684 | } |
a168702a GM |
1685 | else |
1686 | { | |
9332ea03 | 1687 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1688 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1689 | |
a168702a GM |
1690 | if (it->glyph_row) |
1691 | append_glyph (it); | |
1692 | } | |
1693 | ||
6b61353c | 1694 | done: |
177c0ea7 | 1695 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1696 | the caller. */ |
1697 | if (it->area == TEXT_AREA) | |
1698 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1699 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1700 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1701 | } |
1702 | ||
1703 | ||
6b61353c KH |
1704 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1705 | of the glyph property displayed. The value must be a list | |
1706 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1707 | being recognized: | |
1708 | ||
1709 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1710 | canonical char width wide. WIDTH may be an integer or floating | |
1711 | point number. | |
1712 | ||
1713 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1714 | to reach HPOS, a value in canonical character units. */ | |
1715 | ||
1716 | static void | |
d3da34e0 | 1717 | produce_stretch_glyph (struct it *it) |
6b61353c KH |
1718 | { |
1719 | /* (space :width WIDTH ...) */ | |
1720 | Lisp_Object prop, plist; | |
1721 | int width = 0, align_to = -1; | |
1722 | int zero_width_ok_p = 0; | |
1723 | double tem; | |
1724 | ||
1725 | /* List should start with `space'. */ | |
1726 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1727 | plist = XCDR (it->object); | |
1728 | ||
1729 | /* Compute the width of the stretch. */ | |
1730 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1731 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1732 | { | |
1733 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1734 | zero_width_ok_p = 1; | |
1735 | width = (int)(tem + 0.5); | |
1736 | } | |
1737 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1738 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1739 | { | |
1740 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1741 | align_to = (align_to < 0 |
6b61353c KH |
1742 | ? 0 |
1743 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1744 | else if (align_to < 0) | |
1745 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1746 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1747 | zero_width_ok_p = 1; | |
1748 | } | |
1749 | else | |
1750 | /* Nothing specified -> width defaults to canonical char width. */ | |
1751 | width = FRAME_COLUMN_WIDTH (it->f); | |
1752 | ||
1753 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1754 | width = 1; | |
1755 | ||
d5221487 CY |
1756 | if (width > 0 && it->line_wrap != TRUNCATE |
1757 | && it->current_x + width > it->last_visible_x) | |
1758 | width = it->last_visible_x - it->current_x - 1; | |
1759 | ||
6b61353c KH |
1760 | if (width > 0 && it->glyph_row) |
1761 | { | |
1762 | Lisp_Object o_object = it->object; | |
1763 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1764 | int n = width; | |
6b61353c KH |
1765 | |
1766 | if (!STRINGP (object)) | |
1767 | object = it->w->buffer; | |
1768 | it->object = object; | |
d2b4c17d | 1769 | it->char_to_display = ' '; |
6b61353c KH |
1770 | it->pixel_width = it->len = 1; |
1771 | while (n--) | |
1772 | append_glyph (it); | |
1773 | it->object = o_object; | |
6b61353c KH |
1774 | } |
1775 | it->pixel_width = width; | |
1776 | it->nglyphs = width; | |
1777 | } | |
1778 | ||
1779 | ||
4c12d738 KH |
1780 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1781 | Called from produce_composite_glyph for terminal frames if | |
1782 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1783 | face. */ | |
1784 | ||
1785 | static void | |
d3da34e0 | 1786 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1787 | { |
1788 | struct glyph *glyph; | |
1789 | ||
1790 | xassert (it->glyph_row); | |
1791 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; | |
1792 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1793 | { | |
93d68d0c EZ |
1794 | /* If the glyph row is reversed, we need to prepend the glyph |
1795 | rather than append it. */ | |
1796 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1797 | { | |
1798 | struct glyph *g; | |
1799 | ||
1800 | /* Make room for the new glyph. */ | |
1801 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1802 | g[1] = *g; | |
1803 | glyph = it->glyph_row->glyphs[it->area]; | |
1804 | } | |
4c12d738 KH |
1805 | glyph->type = COMPOSITE_GLYPH; |
1806 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1807 | glyph->u.cmp.id = it->cmp_it.id; |
1808 | if (it->cmp_it.ch < 0) | |
1809 | { | |
1810 | glyph->u.cmp.automatic = 0; | |
1811 | glyph->u.cmp.id = it->cmp_it.id; | |
1812 | } | |
1813 | else | |
1814 | { | |
1815 | glyph->u.cmp.automatic = 1; | |
1816 | glyph->u.cmp.id = it->cmp_it.id; | |
1817 | glyph->u.cmp.from = it->cmp_it.from; | |
285e85c6 | 1818 | glyph->u.cmp.to = it->cmp_it.to - 1; |
75a10786 KH |
1819 | } |
1820 | ||
4c12d738 KH |
1821 | glyph->face_id = it->face_id; |
1822 | glyph->padding_p = 0; | |
1823 | glyph->charpos = CHARPOS (it->position); | |
1824 | glyph->object = it->object; | |
93d68d0c EZ |
1825 | if (it->bidi_p) |
1826 | { | |
1827 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1828 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1829 | abort (); | |
1830 | glyph->bidi_type = it->bidi_it.type; | |
1831 | } | |
1832 | else | |
1833 | { | |
1834 | glyph->resolved_level = 0; | |
1835 | glyph->bidi_type = UNKNOWN_BT; | |
1836 | } | |
4c12d738 KH |
1837 | |
1838 | ++it->glyph_row->used[it->area]; | |
1839 | ++glyph; | |
1840 | } | |
1841 | } | |
1842 | ||
1843 | ||
1844 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1845 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1846 | assuming that the terminal has a capability to layout/render it |
1847 | correctly. */ | |
4c12d738 KH |
1848 | |
1849 | static void | |
d3da34e0 | 1850 | produce_composite_glyph (struct it *it) |
4c12d738 | 1851 | { |
75a10786 KH |
1852 | if (it->cmp_it.ch < 0) |
1853 | { | |
1854 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1855 | ||
d0984aff | 1856 | it->pixel_width = cmp->width; |
75a10786 KH |
1857 | } |
1858 | else | |
1859 | { | |
1860 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1861 | |
75a10786 KH |
1862 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1863 | it->cmp_it.to, NULL); | |
1864 | } | |
1865 | it->nglyphs = 1; | |
4c12d738 KH |
1866 | if (it->glyph_row) |
1867 | append_composite_glyph (it); | |
1868 | } | |
1869 | ||
1870 | ||
a168702a GM |
1871 | /* Get information about special display element WHAT in an |
1872 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1873 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1874 | non-null glyph_row member. This function ensures that fields like | |
1875 | face_id, c, len of IT are left untouched. */ | |
1876 | ||
1877 | void | |
d3da34e0 | 1878 | produce_special_glyphs (struct it *it, enum display_element_type what) |
a168702a GM |
1879 | { |
1880 | struct it temp_it; | |
f4d953fc | 1881 | Lisp_Object gc; |
072d84a6 | 1882 | GLYPH glyph; |
177c0ea7 | 1883 | |
a168702a GM |
1884 | temp_it = *it; |
1885 | temp_it.dp = NULL; | |
1886 | temp_it.what = IT_CHARACTER; | |
1887 | temp_it.len = 1; | |
7c752c80 | 1888 | temp_it.object = make_number (0); |
72af86bd | 1889 | memset (&temp_it.current, 0, sizeof temp_it.current); |
a168702a GM |
1890 | |
1891 | if (what == IT_CONTINUATION) | |
1892 | { | |
26cdf528 EZ |
1893 | /* Continuation glyph. For R2L lines, we mirror it by hand. */ |
1894 | if (it->bidi_it.paragraph_dir == R2L) | |
1895 | SET_GLYPH_FROM_CHAR (glyph, '/'); | |
1896 | else | |
1897 | SET_GLYPH_FROM_CHAR (glyph, '\\'); | |
a168702a | 1898 | if (it->dp |
f4d953fc KS |
1899 | && (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1900 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1901 | { |
26cdf528 | 1902 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
1903 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1904 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1905 | } |
a168702a GM |
1906 | } |
1907 | else if (what == IT_TRUNCATION) | |
1908 | { | |
1909 | /* Truncation glyph. */ | |
f4d953fc | 1910 | SET_GLYPH_FROM_CHAR (glyph, '$'); |
a168702a | 1911 | if (it->dp |
f4d953fc KS |
1912 | && (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc)) |
1913 | && GLYPH_CODE_CHAR_VALID_P (gc)) | |
a168702a | 1914 | { |
26cdf528 | 1915 | /* FIXME: Should we mirror GC for R2L lines? */ |
f4d953fc KS |
1916 | SET_GLYPH_FROM_GLYPH_CODE (glyph, gc); |
1917 | spec_glyph_lookup_face (XWINDOW (it->window), &glyph); | |
a168702a | 1918 | } |
a168702a GM |
1919 | } |
1920 | else | |
1921 | abort (); | |
072d84a6 | 1922 | |
f4d953fc KS |
1923 | temp_it.c = GLYPH_CHAR (glyph); |
1924 | temp_it.face_id = GLYPH_FACE (glyph); | |
072d84a6 RS |
1925 | temp_it.len = CHAR_BYTES (temp_it.c); |
1926 | ||
1927 | produce_glyphs (&temp_it); | |
1928 | it->pixel_width = temp_it.pixel_width; | |
1929 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1930 | } |
1931 | ||
1932 | ||
a168702a GM |
1933 | \f |
1934 | /*********************************************************************** | |
1935 | Faces | |
1936 | ***********************************************************************/ | |
1937 | ||
4e6ba4a4 GM |
1938 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1939 | one of the enumerators from enum no_color_bit, or a bit set built | |
1940 | from them. Some display attributes may not be used together with | |
1941 | color; the termcap capability `NC' specifies which ones. */ | |
1942 | ||
fca177d4 KL |
1943 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1944 | (tty->TN_max_colors > 0 \ | |
1945 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1946 | : 1) | |
a168702a | 1947 | |
072d84a6 RS |
1948 | /* Turn appearances of face FACE_ID on tty frame F on. |
1949 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1950 | |
1951 | static void | |
d3da34e0 | 1952 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1953 | { |
1954 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1955 | long fg = face->foreground; |
1956 | long bg = face->background; | |
28d7d09f | 1957 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1958 | |
86a7d192 GM |
1959 | /* Do this first because TS_end_standout_mode may be the same |
1960 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1961 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1962 | { |
fca177d4 | 1963 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1964 | { |
1965 | if (fg >= 0 && bg >= 0) | |
1966 | { | |
1967 | /* If the terminal supports colors, we can set them | |
1968 | below without using reverse video. The face's fg | |
1969 | and bg colors are set as they should appear on | |
1970 | the screen, i.e. they take the inverse-video'ness | |
1971 | of the face already into account. */ | |
1972 | } | |
1973 | else if (inverse_video) | |
1974 | { | |
1975 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1976 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1977 | tty_toggle_highlight (tty); |
86a7d192 GM |
1978 | } |
1979 | else | |
1980 | { | |
1981 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1982 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1983 | tty_toggle_highlight (tty); |
86a7d192 GM |
1984 | } |
1985 | } | |
1986 | else | |
1987 | { | |
1988 | /* If we can't display colors, use reverse video | |
1989 | if the face specifies that. */ | |
37526b42 GM |
1990 | if (inverse_video) |
1991 | { | |
1992 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1993 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1994 | tty_toggle_highlight (tty); |
37526b42 GM |
1995 | } |
1996 | else | |
1997 | { | |
1998 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1999 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 2000 | tty_toggle_highlight (tty); |
37526b42 | 2001 | } |
86a7d192 GM |
2002 | } |
2003 | } | |
a168702a | 2004 | |
4189ed40 CY |
2005 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
2006 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
2007 | ||
2008 | if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM)) | |
2009 | OUTPUT1_IF (tty, tty->TS_enter_dim_mode); | |
a168702a GM |
2010 | |
2011 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 | 2012 | if (face->tty_alt_charset_p |
fca177d4 KL |
2013 | && MAY_USE_WITH_COLORS_P (tty, NC_ALT_CHARSET)) |
2014 | OUTPUT1_IF (tty, tty->TS_enter_alt_charset_mode); | |
a168702a | 2015 | |
4e6ba4a4 | 2016 | if (face->tty_blinking_p |
fca177d4 KL |
2017 | && MAY_USE_WITH_COLORS_P (tty, NC_BLINK)) |
2018 | OUTPUT1_IF (tty, tty->TS_enter_blink_mode); | |
a168702a | 2019 | |
fca177d4 KL |
2020 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
2021 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 2022 | |
fca177d4 | 2023 | if (tty->TN_max_colors > 0) |
a168702a | 2024 | { |
753d161b | 2025 | char *ts, *p; |
177c0ea7 | 2026 | |
fbf34973 | 2027 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 2028 | if (fg >= 0 && ts) |
a168702a | 2029 | { |
fbf34973 | 2030 | p = tparam (ts, NULL, 0, (int) fg); |
6548cf00 | 2031 | OUTPUT (tty, p); |
a168702a GM |
2032 | xfree (p); |
2033 | } | |
2034 | ||
fbf34973 | 2035 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 2036 | if (bg >= 0 && ts) |
a168702a | 2037 | { |
fbf34973 | 2038 | p = tparam (ts, NULL, 0, (int) bg); |
6548cf00 | 2039 | OUTPUT (tty, p); |
a168702a GM |
2040 | xfree (p); |
2041 | } | |
2042 | } | |
2043 | } | |
177c0ea7 | 2044 | |
a168702a GM |
2045 | |
2046 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2047 | ||
2048 | static void | |
d3da34e0 | 2049 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
2050 | { |
2051 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 2052 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a GM |
2053 | |
2054 | xassert (face != NULL); | |
2055 | ||
fca177d4 | 2056 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
2057 | { |
2058 | /* Capability "me" will turn off appearance modes double-bright, | |
2059 | half-bright, reverse-video, standout, underline. It may or | |
2060 | may not turn off alt-char-mode. */ | |
2061 | if (face->tty_bold_p | |
2062 | || face->tty_dim_p | |
2063 | || face->tty_reverse_p | |
2064 | || face->tty_alt_charset_p | |
2065 | || face->tty_blinking_p | |
2066 | || face->tty_underline_p) | |
65aa5e85 | 2067 | { |
fca177d4 KL |
2068 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2069 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2070 | tty->standout_mode = 0; | |
65aa5e85 | 2071 | } |
a168702a GM |
2072 | |
2073 | if (face->tty_alt_charset_p) | |
fca177d4 | 2074 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a GM |
2075 | } |
2076 | else | |
2077 | { | |
2078 | /* If we don't have "me" we can only have those appearances | |
2079 | that have exit sequences defined. */ | |
2080 | if (face->tty_alt_charset_p) | |
fca177d4 | 2081 | OUTPUT_IF (tty, tty->TS_exit_alt_charset_mode); |
a168702a | 2082 | |
54800acb | 2083 | if (face->tty_underline_p) |
fca177d4 | 2084 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2085 | } |
2086 | ||
2087 | /* Switch back to default colors. */ | |
fca177d4 | 2088 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2089 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2090 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2091 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2092 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2093 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2094 | } |
177c0ea7 JB |
2095 | |
2096 | ||
b63a55ac MB |
2097 | /* Return non-zero if the terminal on frame F supports all of the |
2098 | capabilities in CAPS simultaneously, with foreground and background | |
2099 | colors FG and BG. */ | |
2100 | ||
4a8130f2 | 2101 | int |
d3da34e0 JB |
2102 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2103 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2104 | { |
fca177d4 KL |
2105 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2106 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2107 | return 0; |
2108 | ||
fca177d4 KL |
2109 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2110 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2111 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2112 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
2113 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BLINK, tty->TS_enter_blink_mode, NC_BLINK); | |
2114 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ALT_CHARSET, tty->TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
b63a55ac MB |
2115 | |
2116 | /* We can do it! */ | |
2117 | return 1; | |
2118 | } | |
2119 | ||
a168702a GM |
2120 | /* Return non-zero if the terminal is capable to display colors. */ |
2121 | ||
2122 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2123 | 0, 1, 0, |
6ed8eeff KL |
2124 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2125 | ||
401e9e57 CY |
2126 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2127 | selected frame's terminal). This function always returns nil if | |
2128 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2129 | (Lisp_Object terminal) |
a168702a | 2130 | { |
717a00ef | 2131 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2132 | if (!t) |
428a555e | 2133 | return Qnil; |
3224dac1 | 2134 | else |
6ed8eeff | 2135 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2136 | } |
2137 | ||
bfa62f96 EZ |
2138 | /* Return the number of supported colors. */ |
2139 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2140 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2141 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2142 | ||
401e9e57 CY |
2143 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2144 | selected frame's terminal). This function always returns 0 if | |
2145 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2146 | (Lisp_Object terminal) |
bfa62f96 | 2147 | { |
717a00ef | 2148 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2149 | if (!t) |
8c8d5f35 | 2150 | return make_number (0); |
3224dac1 | 2151 | else |
6ed8eeff | 2152 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2153 | } |
2154 | ||
84704c5c | 2155 | #ifndef DOS_NT |
a168702a | 2156 | |
5205ee62 GM |
2157 | /* Declare here rather than in the function, as in the rest of Emacs, |
2158 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2159 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2160 | static int default_max_colors; |
2161 | static int default_max_pairs; | |
2162 | static int default_no_color_video; | |
2163 | static char *default_orig_pair; | |
2164 | static char *default_set_foreground; | |
2165 | static char *default_set_background; | |
fcf8ff2e | 2166 | |
ace28297 EZ |
2167 | /* Save or restore the default color-related capabilities of this |
2168 | terminal. */ | |
2169 | static void | |
28d7d09f | 2170 | tty_default_color_capabilities (struct tty_display_info *tty, int save) |
ace28297 | 2171 | { |
ace28297 EZ |
2172 | |
2173 | if (save) | |
2174 | { | |
70fdbb46 | 2175 | xfree (default_orig_pair); |
fca177d4 | 2176 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2177 | |
70fdbb46 | 2178 | xfree (default_set_foreground); |
fca177d4 | 2179 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2180 | : NULL; |
2181 | ||
70fdbb46 | 2182 | xfree (default_set_background); |
fca177d4 | 2183 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2184 | : NULL; |
2185 | ||
fca177d4 KL |
2186 | default_max_colors = tty->TN_max_colors; |
2187 | default_max_pairs = tty->TN_max_pairs; | |
2188 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2189 | } |
2190 | else | |
2191 | { | |
fca177d4 KL |
2192 | tty->TS_orig_pair = default_orig_pair; |
2193 | tty->TS_set_foreground = default_set_foreground; | |
2194 | tty->TS_set_background = default_set_background; | |
2195 | tty->TN_max_colors = default_max_colors; | |
2196 | tty->TN_max_pairs = default_max_pairs; | |
2197 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2198 | } |
2199 | } | |
2200 | ||
2201 | /* Setup one of the standard tty color schemes according to MODE. | |
2202 | MODE's value is generally the number of colors which we want to | |
2203 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2204 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2205 | static void |
28d7d09f | 2206 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2207 | { |
6b61353c KH |
2208 | /* Canonicalize all negative values of MODE. */ |
2209 | if (mode < -1) | |
2210 | mode = -1; | |
2211 | ||
ace28297 EZ |
2212 | switch (mode) |
2213 | { | |
2214 | case -1: /* no colors at all */ | |
fca177d4 KL |
2215 | tty->TN_max_colors = 0; |
2216 | tty->TN_max_pairs = 0; | |
2217 | tty->TN_no_color_video = 0; | |
2218 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2219 | break; |
2220 | case 0: /* default colors, if any */ | |
2221 | default: | |
fca177d4 | 2222 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2223 | break; |
2224 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2225 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2226 | #ifdef TERMINFO |
fca177d4 KL |
2227 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2228 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2229 | #else |
fca177d4 KL |
2230 | tty->TS_set_foreground = "\033[3%dm"; |
2231 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2232 | #endif |
fca177d4 KL |
2233 | tty->TN_max_colors = 8; |
2234 | tty->TN_max_pairs = 64; | |
2235 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2236 | break; |
2237 | } | |
2238 | } | |
2239 | ||
2240 | void | |
d3da34e0 | 2241 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2242 | { |
ce5b453a | 2243 | Lisp_Object tem, val; |
9b2cd403 SM |
2244 | Lisp_Object color_mode; |
2245 | int mode; | |
9b2cd403 SM |
2246 | Lisp_Object tty_color_mode_alist |
2247 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2248 | |
c23b5410 | 2249 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2250 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2251 | |
6b61353c | 2252 | if (INTEGERP (val)) |
ace28297 | 2253 | color_mode = val; |
ce5b453a | 2254 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2255 | { |
ce5b453a | 2256 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2257 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2258 | } |
ce5b453a SM |
2259 | else |
2260 | color_mode = Qnil; | |
6b61353c | 2261 | |
9b2cd403 | 2262 | mode = INTEGERP (color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2263 | |
9b2cd403 | 2264 | if (mode != tty->previous_color_mode) |
ace28297 | 2265 | { |
9b2cd403 SM |
2266 | Lisp_Object funsym = intern ("tty-set-up-initial-frame-faces"); |
2267 | tty->previous_color_mode = mode; | |
2268 | tty_setup_colors (tty , mode); | |
2269 | /* This recomputes all the faces given the new color definitions. */ | |
2270 | safe_call (1, &funsym); | |
ace28297 EZ |
2271 | } |
2272 | } | |
2273 | ||
84704c5c | 2274 | #endif /* !DOS_NT */ |
a168702a GM |
2275 | |
2276 | \f | |
28d440ab | 2277 | |
6ed8eeff | 2278 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2279 | |
6ed8eeff | 2280 | struct terminal * |
717a00ef | 2281 | get_tty_terminal (Lisp_Object terminal, int throw) |
b6660415 | 2282 | { |
717a00ef | 2283 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2284 | |
84704c5c | 2285 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2286 | { |
2287 | if (throw) | |
2288 | error ("Device %d is not a termcap terminal device", t->id); | |
2289 | else | |
2290 | return NULL; | |
2291 | } | |
b6660415 | 2292 | |
6ed8eeff | 2293 | return t; |
b6660415 KL |
2294 | } |
2295 | ||
ab797f65 KL |
2296 | /* Return an active termcap device that uses the tty device with the |
2297 | given name. | |
b6660415 | 2298 | |
7e59217d | 2299 | This function ignores suspended devices. |
da8e1115 KL |
2300 | |
2301 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2302 | |
6ed8eeff | 2303 | struct terminal * |
d3da34e0 | 2304 | get_named_tty (char *name) |
28d440ab | 2305 | { |
6ed8eeff KL |
2306 | struct terminal *t; |
2307 | ||
ab797f65 KL |
2308 | if (!name) |
2309 | abort (); | |
2310 | ||
2311 | for (t = terminal_list; t; t = t->next_terminal) | |
2312 | { | |
5cc67f65 | 2313 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2314 | && !strcmp (t->display_info.tty->name, name) |
2315 | && TERMINAL_ACTIVE_P (t)) | |
2316 | return t; | |
2317 | } | |
28d440ab KL |
2318 | |
2319 | return 0; | |
2320 | } | |
2321 | ||
2322 | \f | |
6ed8eeff KL |
2323 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
2324 | doc: /* Return the type of the tty device that TERMINAL uses. | |
ab797f65 | 2325 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2326 | |
401e9e57 CY |
2327 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2328 | selected frame's terminal). */) | |
5842a27b | 2329 | (Lisp_Object terminal) |
b6660415 | 2330 | { |
6ed8eeff | 2331 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2332 | |
84704c5c | 2333 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2334 | return Qnil; |
2335 | ||
6ed8eeff KL |
2336 | if (t->display_info.tty->type) |
2337 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2338 | else |
2339 | return Qnil; | |
2340 | } | |
2341 | ||
6ed8eeff | 2342 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2343 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2344 | |
401e9e57 CY |
2345 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2346 | selected frame's terminal). This function always returns nil if | |
2347 | TERMINAL is not on a tty device. */) | |
5842a27b | 2348 | (Lisp_Object terminal) |
4a933ef8 | 2349 | { |
6ed8eeff | 2350 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2351 | |
84704c5c EZ |
2352 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2353 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2354 | return Qnil; |
2355 | else | |
2356 | return Qt; | |
2357 | } | |
2358 | ||
a3fbb897 | 2359 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2360 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2361 | This is used to override the terminfo data, for certain terminals that |
2362 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2363 | no effect if used on a non-tty terminal. |
a3fbb897 | 2364 | |
401e9e57 CY |
2365 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2366 | selected frame's terminal). This function always returns nil if | |
2367 | TERMINAL does not refer to a text-only terminal. */) | |
5842a27b | 2368 | (Lisp_Object terminal) |
a3fbb897 | 2369 | { |
6ed8eeff | 2370 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2371 | |
6ed8eeff KL |
2372 | if (t->type == output_termcap) |
2373 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2374 | return Qnil; |
2375 | } | |
2376 | ||
ed8dad6b KL |
2377 | \f |
2378 | ||
2379 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2380 | doc: /* Suspend the terminal device TTY. | |
2381 | ||
2382 | The device is restored to its default state, and Emacs ceases all | |
2383 | access to the tty device. Frames that use the device are not deleted, | |
2384 | but input is not read from them and if they change, their display is | |
2385 | not updated. | |
2386 | ||
401e9e57 CY |
2387 | TTY may be a terminal object, a frame, or nil for the terminal device |
2388 | of the currently selected frame. | |
ed8dad6b | 2389 | |
e4019195 | 2390 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2391 | device. The functions are run with one arg, the id of the suspended |
2392 | terminal device. | |
2393 | ||
2394 | `suspend-tty' does nothing if it is called on a device that is already | |
2395 | suspended. | |
2396 | ||
2397 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2398 | (Lisp_Object tty) |
ed8dad6b | 2399 | { |
717a00ef | 2400 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2401 | FILE *f; |
f4d953fc | 2402 | |
6ed8eeff | 2403 | if (!t) |
ed8dad6b KL |
2404 | error ("Unknown tty device"); |
2405 | ||
6ed8eeff | 2406 | f = t->display_info.tty->input; |
f4d953fc | 2407 | |
ed8dad6b KL |
2408 | if (f) |
2409 | { | |
23d4cba5 DN |
2410 | /* First run `suspend-tty-functions' and then clean up the tty |
2411 | state because `suspend-tty-functions' might need to change | |
2412 | the tty state. */ | |
2413 | if (!NILP (Vrun_hooks)) | |
2414 | { | |
2415 | Lisp_Object args[2]; | |
2416 | args[0] = intern ("suspend-tty-functions"); | |
2417 | XSETTERMINAL (args[1], t); | |
2418 | Frun_hook_with_args (2, args); | |
2419 | } | |
2420 | ||
6ed8eeff | 2421 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2422 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2423 | |
84704c5c | 2424 | #ifndef MSDOS |
ed8dad6b | 2425 | fclose (f); |
6ed8eeff KL |
2426 | if (f != t->display_info.tty->output) |
2427 | fclose (t->display_info.tty->output); | |
84704c5c | 2428 | #endif |
f4d953fc | 2429 | |
6ed8eeff KL |
2430 | t->display_info.tty->input = 0; |
2431 | t->display_info.tty->output = 0; | |
ed8dad6b | 2432 | |
6ed8eeff KL |
2433 | if (FRAMEP (t->display_info.tty->top_frame)) |
2434 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); | |
f4d953fc | 2435 | |
ed8dad6b KL |
2436 | } |
2437 | ||
4a665758 KL |
2438 | /* Clear display hooks to prevent further output. */ |
2439 | clear_tty_hooks (t); | |
2440 | ||
ed8dad6b KL |
2441 | return Qnil; |
2442 | } | |
2443 | ||
2444 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2445 | doc: /* Resume the previously suspended terminal device TTY. | |
2446 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2447 | suspended terminal are revived. |
ed8dad6b | 2448 | |
6ed8eeff KL |
2449 | It is an error to resume a terminal while another terminal is active |
2450 | on the same device. | |
ed8dad6b | 2451 | |
e4019195 | 2452 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2453 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2454 | device. |
2455 | ||
2456 | `resume-tty' does nothing if it is called on a device that is not | |
2457 | suspended. | |
2458 | ||
401e9e57 CY |
2459 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2460 | frame's terminal). */) | |
5842a27b | 2461 | (Lisp_Object tty) |
ed8dad6b | 2462 | { |
717a00ef | 2463 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2464 | int fd; |
2465 | ||
6ed8eeff | 2466 | if (!t) |
ed8dad6b KL |
2467 | error ("Unknown tty device"); |
2468 | ||
6ed8eeff | 2469 | if (!t->display_info.tty->input) |
ed8dad6b | 2470 | { |
6ed8eeff | 2471 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2472 | error ("Cannot resume display while another display is active on the same device"); |
2473 | ||
84704c5c EZ |
2474 | #ifdef MSDOS |
2475 | t->display_info.tty->output = stdout; | |
2476 | t->display_info.tty->input = stdin; | |
2477 | #else /* !MSDOS */ | |
6ed8eeff | 2478 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ed8dad6b | 2479 | |
59b3194c KL |
2480 | if (fd == -1) |
2481 | error ("Can not reopen tty device %s: %s", t->display_info.tty->name, strerror (errno)); | |
ed8dad6b | 2482 | |
78048085 | 2483 | if (strcmp (t->display_info.tty->name, DEV_TTY)) |
59b3194c | 2484 | dissociate_if_controlling_tty (fd); |
78048085 | 2485 | |
6ed8eeff KL |
2486 | t->display_info.tty->output = fdopen (fd, "w+"); |
2487 | t->display_info.tty->input = t->display_info.tty->output; | |
84704c5c | 2488 | #endif |
78048085 | 2489 | |
ed8dad6b KL |
2490 | add_keyboard_wait_descriptor (fd); |
2491 | ||
6ed8eeff | 2492 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2493 | { |
2494 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2495 | int width, height; | |
2496 | int old_height = FRAME_COLS (f); | |
2497 | int old_width = FRAME_LINES (f); | |
2498 | ||
2499 | /* Check if terminal/window size has changed while the frame | |
2500 | was suspended. */ | |
2501 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2502 | if (width != old_width || height != old_height) | |
2503 | change_frame_size (f, height, width, 0, 0, 0); | |
2504 | FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); | |
2505 | } | |
ed8dad6b | 2506 | |
6ed8eeff | 2507 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2508 | |
e4019195 | 2509 | /* Run `resume-tty-functions'. */ |
ed8dad6b KL |
2510 | if (!NILP (Vrun_hooks)) |
2511 | { | |
2512 | Lisp_Object args[2]; | |
e4019195 | 2513 | args[0] = intern ("resume-tty-functions"); |
59a7bc63 | 2514 | XSETTERMINAL (args[1], t); |
ed8dad6b KL |
2515 | Frun_hook_with_args (2, args); |
2516 | } | |
2517 | } | |
2518 | ||
4a665758 KL |
2519 | set_tty_hooks (t); |
2520 | ||
ed8dad6b KL |
2521 | return Qnil; |
2522 | } | |
a3fbb897 | 2523 | |
819b8f00 | 2524 | \f |
e882229c NR |
2525 | /*********************************************************************** |
2526 | Mouse | |
2527 | ***********************************************************************/ | |
2528 | ||
7e5a23bd | 2529 | #ifdef HAVE_GPM |
5faa03ba RS |
2530 | void |
2531 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2532 | { |
1ec5dc77 | 2533 | /* TODO: how to set mouse position? |
94da14a0 NR |
2534 | const char *name; |
2535 | int fd; | |
2536 | name = (const char *) ttyname (0); | |
2537 | fd = open (name, O_WRONLY); | |
80fb2ce0 | 2538 | SOME_FUNCTION (x, y, fd); |
94da14a0 NR |
2539 | close (fd); |
2540 | last_mouse_x = x; | |
80fb2ce0 | 2541 | last_mouse_y = y; */ |
94da14a0 NR |
2542 | } |
2543 | ||
e882229c NR |
2544 | static void |
2545 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2546 | { | |
6178ce5e | 2547 | struct window *w = XWINDOW (mouse_face_window); |
e882229c | 2548 | int save_x, save_y; |
1ec5dc77 | 2549 | int i; |
e882229c | 2550 | |
7be1c21a MB |
2551 | struct frame *f = XFRAME (w->frame); |
2552 | struct tty_display_info *tty = FRAME_TTY (f); | |
2553 | ||
e882229c NR |
2554 | if (/* If window is in the process of being destroyed, don't bother |
2555 | to do anything. */ | |
2556 | w->current_matrix != NULL | |
2557 | /* Recognize when we are called to operate on rows that don't exist | |
2558 | anymore. This can happen when a window is split. */ | |
2559 | && mouse_face_end_row < w->current_matrix->nrows) | |
2560 | { | |
2561 | /* write_glyphs writes at cursor position, so we need to | |
2562 | temporarily move cursor coordinates to the beginning of | |
2563 | the highlight region. */ | |
f4d953fc | 2564 | |
e882229c | 2565 | /* Save current cursor co-ordinates */ |
7be1c21a MB |
2566 | save_y = curY (tty); |
2567 | save_x = curX (tty); | |
e882229c NR |
2568 | |
2569 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2570 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2571 | { | |
2572 | int start_hpos, end_hpos, nglyphs; | |
2573 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2574 | ||
2575 | /* Don't do anything if row doesn't have valid contents. */ | |
2576 | if (!row->enabled_p) | |
2577 | continue; | |
2578 | ||
2579 | /* For all but the first row, the highlight starts at column 0. */ | |
2580 | if (i == mouse_face_beg_row) | |
2581 | start_hpos = mouse_face_beg_col; | |
2582 | else | |
2583 | start_hpos = 0; | |
2584 | ||
2585 | if (i == mouse_face_end_row) | |
2586 | end_hpos = mouse_face_end_col; | |
2587 | else | |
2588 | { | |
2589 | end_hpos = row->used[TEXT_AREA]; | |
2590 | if (draw == DRAW_NORMAL_TEXT) | |
2591 | row->fill_line_p = 1; /* Clear to end of line */ | |
2592 | } | |
2593 | ||
2594 | if (end_hpos <= start_hpos) | |
2595 | continue; | |
2596 | /* Record that some glyphs of this row are displayed in | |
2597 | mouse-face. */ | |
2598 | row->mouse_face_p = draw > 0; | |
2599 | ||
2600 | nglyphs = end_hpos - start_hpos; | |
2601 | ||
2602 | if (end_hpos >= row->used[TEXT_AREA]) | |
2603 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2604 | ||
2605 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2606 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2607 | + WINDOW_LEFT_EDGE_X (w); | |
f4d953fc | 2608 | |
7be1c21a | 2609 | cursor_to (f, pos_y, pos_x); |
e882229c NR |
2610 | |
2611 | if (draw == DRAW_MOUSE_FACE) | |
2612 | { | |
7be1c21a | 2613 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, |
e882229c NR |
2614 | nglyphs, mouse_face_face_id); |
2615 | } | |
2616 | else /* draw == DRAW_NORMAL_TEXT */ | |
7be1c21a | 2617 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); |
e882229c | 2618 | } |
7be1c21a | 2619 | cursor_to (f, save_y, save_x); |
e882229c NR |
2620 | } |
2621 | } | |
2622 | ||
2623 | static void | |
d3da34e0 | 2624 | term_clear_mouse_face (void) |
e882229c | 2625 | { |
6178ce5e | 2626 | if (!NILP (mouse_face_window)) |
e882229c NR |
2627 | term_show_mouse_face (DRAW_NORMAL_TEXT); |
2628 | ||
2629 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2630 | mouse_face_end_row = mouse_face_end_col = -1; | |
6178ce5e | 2631 | mouse_face_window = Qnil; |
e882229c NR |
2632 | } |
2633 | ||
2634 | /* Find the glyph matrix position of buffer position POS in window W. | |
2635 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2636 | must be up to date. If POS is above window start return (0, 0). | |
2637 | If POS is after end of W, return end of last line in W. | |
2638 | - taken from msdos.c */ | |
2639 | static int | |
2640 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2641 | { | |
2642 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2643 | int yb = window_text_bottom_y (w); | |
2644 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2645 | ||
2646 | while (row->y < yb) | |
2647 | { | |
2648 | if (row->used[TEXT_AREA]) | |
2649 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2650 | else | |
2651 | line_start_position = 0; | |
2652 | ||
2653 | if (line_start_position > pos) | |
2654 | break; | |
2655 | /* If the position sought is the end of the buffer, | |
2656 | don't include the blank lines at the bottom of the window. */ | |
2657 | else if (line_start_position == pos | |
2658 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2659 | { | |
2660 | maybe_next_line_p = 1; | |
2661 | break; | |
2662 | } | |
2663 | else if (line_start_position > 0) | |
2664 | best_row = row; | |
2665 | ||
2666 | /* Don't overstep the last matrix row, lest we get into the | |
2667 | never-never land... */ | |
2668 | if (row->y + 1 >= yb) | |
2669 | break; | |
2670 | ||
2671 | ++row; | |
2672 | } | |
2673 | ||
2674 | /* Find the right column within BEST_ROW. */ | |
2675 | lastcol = 0; | |
2676 | row = best_row; | |
2677 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2678 | { | |
2679 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2680 | int charpos; | |
2681 | ||
2682 | charpos = glyph->charpos; | |
2683 | if (charpos == pos) | |
2684 | { | |
2685 | *hpos = i; | |
2686 | *vpos = row->y; | |
2687 | return 1; | |
2688 | } | |
2689 | else if (charpos > pos) | |
2690 | break; | |
2691 | else if (charpos > 0) | |
2692 | lastcol = i; | |
2693 | } | |
2694 | ||
2695 | /* If we're looking for the end of the buffer, | |
2696 | and we didn't find it in the line we scanned, | |
2697 | use the start of the following line. */ | |
2698 | if (maybe_next_line_p) | |
2699 | { | |
2700 | ++row; | |
2701 | lastcol = 0; | |
2702 | } | |
2703 | ||
2704 | *vpos = row->y; | |
2705 | *hpos = lastcol + 1; | |
2706 | return 0; | |
2707 | } | |
2708 | ||
2709 | static void | |
2710 | term_mouse_highlight (struct frame *f, int x, int y) | |
2711 | { | |
2712 | enum window_part part; | |
2713 | Lisp_Object window; | |
2714 | struct window *w; | |
2715 | struct buffer *b; | |
2716 | ||
2717 | if (NILP (Vmouse_highlight) | |
2718 | || !f->glyphs_initialized_p) | |
2719 | return; | |
2720 | ||
e882229c NR |
2721 | /* Which window is that in? */ |
2722 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2723 | ||
2724 | /* Not on a window -> return. */ | |
2725 | if (!WINDOWP (window)) | |
2726 | return; | |
2727 | ||
6178ce5e | 2728 | if (!EQ (window, mouse_face_window)) |
e882229c NR |
2729 | term_clear_mouse_face (); |
2730 | ||
2731 | w = XWINDOW (window); | |
2732 | ||
2733 | /* Are we in a window whose display is up to date? | |
2734 | And verify the buffer's text has not changed. */ | |
2735 | b = XBUFFER (w->buffer); | |
2736 | if (part == ON_TEXT | |
2737 | && EQ (w->window_end_valid, w->buffer) | |
2738 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2739 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2740 | { | |
2741 | int pos, i, nrows = w->current_matrix->nrows; | |
2742 | struct glyph_row *row; | |
2743 | struct glyph *glyph; | |
2744 | ||
2745 | /* Find the glyph under X/Y. */ | |
2746 | glyph = NULL; | |
2747 | if (y >= 0 && y < nrows) | |
2748 | { | |
2749 | row = MATRIX_ROW (w->current_matrix, y); | |
2750 | /* Give up if some row before the one we are looking for is | |
2751 | not enabled. */ | |
2752 | for (i = 0; i <= y; i++) | |
2753 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2754 | break; | |
2755 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2756 | && row->displays_text_p | |
2757 | && x < window_box_width (w, TEXT_AREA)) | |
2758 | { | |
2759 | glyph = row->glyphs[TEXT_AREA]; | |
2760 | if (x >= row->used[TEXT_AREA]) | |
2761 | glyph = NULL; | |
2762 | else | |
2763 | { | |
2764 | glyph += x; | |
2765 | if (!BUFFERP (glyph->object)) | |
2766 | glyph = NULL; | |
2767 | } | |
2768 | } | |
2769 | } | |
2770 | ||
2771 | /* Clear mouse face if X/Y not over text. */ | |
2772 | if (glyph == NULL) | |
2773 | { | |
2774 | term_clear_mouse_face (); | |
2775 | return; | |
2776 | } | |
2777 | ||
2778 | if (!BUFFERP (glyph->object)) | |
2779 | abort (); | |
2780 | pos = glyph->charpos; | |
2781 | ||
2782 | /* Check for mouse-face. */ | |
2783 | { | |
e882229c | 2784 | Lisp_Object mouse_face, overlay, position, *overlay_vec; |
3b8c0c70 | 2785 | int noverlays, obegv, ozv; |
e882229c NR |
2786 | struct buffer *obuf; |
2787 | ||
2788 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2789 | if (pos > BUF_Z (b)) | |
2790 | return; | |
2791 | ||
2792 | /* Make the window's buffer temporarily current for | |
2793 | overlays_at and compute_char_face. */ | |
2794 | obuf = current_buffer; | |
2795 | current_buffer = b; | |
2796 | obegv = BEGV; | |
2797 | ozv = ZV; | |
2798 | BEGV = BEG; | |
2799 | ZV = Z; | |
2800 | ||
2801 | /* Is this char mouse-active? */ | |
2802 | XSETINT (position, pos); | |
2803 | ||
2804 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2805 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2806 | /* Sort overlays into increasing priority order. */ | |
2807 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2808 | ||
2809 | /* Check mouse-face highlighting. */ | |
6178ce5e | 2810 | if (!(EQ (window, mouse_face_window) |
e882229c NR |
2811 | && y >= mouse_face_beg_row |
2812 | && y <= mouse_face_end_row | |
2813 | && (y > mouse_face_beg_row | |
2814 | || x >= mouse_face_beg_col) | |
2815 | && (y < mouse_face_end_row | |
2816 | || x < mouse_face_end_col | |
2817 | || mouse_face_past_end))) | |
2818 | { | |
2819 | /* Clear the display of the old active region, if any. */ | |
2820 | term_clear_mouse_face (); | |
2821 | ||
2822 | /* Find the highest priority overlay that has a mouse-face | |
2823 | property. */ | |
2824 | overlay = Qnil; | |
2825 | for (i = noverlays - 1; i >= 0; --i) | |
2826 | { | |
2827 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2828 | if (!NILP (mouse_face)) | |
2829 | { | |
2830 | overlay = overlay_vec[i]; | |
2831 | break; | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | /* If no overlay applies, get a text property. */ | |
2836 | if (NILP (overlay)) | |
2837 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2838 | w->buffer); | |
2839 | ||
2840 | /* Handle the overlay case. */ | |
2841 | if (!NILP (overlay)) | |
2842 | { | |
2843 | /* Find the range of text around this char that | |
2844 | should be active. */ | |
2845 | Lisp_Object before, after; | |
0f8b27ea | 2846 | EMACS_INT ignore; |
e882229c NR |
2847 | |
2848 | ||
2849 | before = Foverlay_start (overlay); | |
2850 | after = Foverlay_end (overlay); | |
2851 | /* Record this as the current active region. */ | |
2852 | fast_find_position (w, XFASTINT (before), | |
2853 | &mouse_face_beg_col, | |
2854 | &mouse_face_beg_row); | |
2855 | ||
2856 | mouse_face_past_end | |
2857 | = !fast_find_position (w, XFASTINT (after), | |
2858 | &mouse_face_end_col, | |
2859 | &mouse_face_end_row); | |
6178ce5e | 2860 | mouse_face_window = window; |
e882229c NR |
2861 | |
2862 | mouse_face_face_id | |
2863 | = face_at_buffer_position (w, pos, 0, 0, | |
6970f632 | 2864 | &ignore, pos + 1, 1, -1); |
e882229c NR |
2865 | |
2866 | /* Display it as active. */ | |
2867 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2868 | } | |
2869 | /* Handle the text property case. */ | |
2870 | else if (!NILP (mouse_face)) | |
2871 | { | |
2872 | /* Find the range of text around this char that | |
2873 | should be active. */ | |
2874 | Lisp_Object before, after, beginning, end; | |
0f8b27ea | 2875 | EMACS_INT ignore; |
e882229c NR |
2876 | |
2877 | beginning = Fmarker_position (w->start); | |
2878 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2879 | before | |
2880 | = Fprevious_single_property_change (make_number (pos + 1), | |
2881 | Qmouse_face, | |
2882 | w->buffer, beginning); | |
2883 | after | |
2884 | = Fnext_single_property_change (position, Qmouse_face, | |
2885 | w->buffer, end); | |
2886 | ||
2887 | /* Record this as the current active region. */ | |
2888 | fast_find_position (w, XFASTINT (before), | |
2889 | &mouse_face_beg_col, | |
2890 | &mouse_face_beg_row); | |
2891 | mouse_face_past_end | |
2892 | = !fast_find_position (w, XFASTINT (after), | |
2893 | &mouse_face_end_col, | |
2894 | &mouse_face_end_row); | |
6178ce5e | 2895 | mouse_face_window = window; |
e882229c NR |
2896 | |
2897 | mouse_face_face_id | |
2898 | = face_at_buffer_position (w, pos, 0, 0, | |
6970f632 | 2899 | &ignore, pos + 1, 1, -1); |
e882229c NR |
2900 | |
2901 | /* Display it as active. */ | |
2902 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2903 | } | |
2904 | } | |
2905 | ||
2906 | /* Look for a `help-echo' property. */ | |
2907 | { | |
2908 | Lisp_Object help; | |
2909 | extern Lisp_Object Qhelp_echo; | |
2910 | ||
2911 | /* Check overlays first. */ | |
2912 | help = Qnil; | |
2913 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2914 | { | |
2915 | overlay = overlay_vec[i]; | |
2916 | help = Foverlay_get (overlay, Qhelp_echo); | |
2917 | } | |
2918 | ||
2919 | if (!NILP (help)) | |
2920 | { | |
2921 | help_echo_string = help; | |
2922 | help_echo_window = window; | |
2923 | help_echo_object = overlay; | |
2924 | help_echo_pos = pos; | |
2925 | } | |
2926 | /* Try text properties. */ | |
2927 | else if (NILP (help) | |
2928 | && ((STRINGP (glyph->object) | |
2929 | && glyph->charpos >= 0 | |
2930 | && glyph->charpos < SCHARS (glyph->object)) | |
2931 | || (BUFFERP (glyph->object) | |
2932 | && glyph->charpos >= BEGV | |
2933 | && glyph->charpos < ZV))) | |
2934 | { | |
2935 | help = Fget_text_property (make_number (glyph->charpos), | |
2936 | Qhelp_echo, glyph->object); | |
2937 | if (!NILP (help)) | |
2938 | { | |
2939 | help_echo_string = help; | |
2940 | help_echo_window = window; | |
2941 | help_echo_object = glyph->object; | |
2942 | help_echo_pos = glyph->charpos; | |
2943 | } | |
2944 | } | |
2945 | } | |
2946 | ||
2947 | BEGV = obegv; | |
2948 | ZV = ozv; | |
2949 | current_buffer = obuf; | |
2950 | } | |
2951 | } | |
2952 | } | |
2953 | ||
2954 | static int | |
2955 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2956 | { | |
2957 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2958 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2959 | { | |
2960 | frame->mouse_moved = 1; | |
80fb2ce0 | 2961 | term_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2962 | /* Remember which glyph we're now on. */ |
2963 | last_mouse_x = event->x; | |
2964 | last_mouse_y = event->y; | |
2965 | return 1; | |
2966 | } | |
2967 | return 0; | |
2968 | } | |
2969 | ||
2970 | /* Return the current position of the mouse. | |
2971 | ||
2972 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2973 | Emacs frame. If it is set to zero, all the other arguments are | |
2974 | garbage. | |
2975 | ||
2976 | Set *bar_window to Qnil, and *x and *y to the column and | |
2977 | row of the character cell the mouse is over. | |
2978 | ||
2979 | Set *time to the time the mouse was at the returned position. | |
2980 | ||
80fb2ce0 | 2981 | This clears mouse_moved until the next motion |
94da14a0 | 2982 | event arrives. */ |
e882229c NR |
2983 | static void |
2984 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2985 | enum scroll_bar_part *part, Lisp_Object *x, | |
2986 | Lisp_Object *y, unsigned long *time) | |
2987 | { | |
e882229c | 2988 | struct timeval now; |
e882229c NR |
2989 | |
2990 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2991 | (*fp)->mouse_moved = 0; |
e882229c NR |
2992 | |
2993 | *bar_window = Qnil; | |
2994 | *part = 0; | |
2995 | ||
80fb2ce0 | 2996 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2997 | XSETINT (*y, last_mouse_y); |
e882229c NR |
2998 | gettimeofday(&now, 0); |
2999 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
e882229c NR |
3000 | } |
3001 | ||
3002 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
3003 | ||
3004 | If the event is a button press, then note that we have grabbed | |
3005 | the mouse. */ | |
3006 | ||
3007 | static Lisp_Object | |
3008 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
3009 | struct frame *f) | |
3010 | { | |
3011 | struct timeval now; | |
3012 | int i, j; | |
3013 | ||
3014 | result->kind = GPM_CLICK_EVENT; | |
3015 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
3016 | { | |
3017 | if (event->buttons & j) { | |
3018 | result->code = i; /* button number */ | |
3019 | break; | |
3020 | } | |
3021 | } | |
3022 | gettimeofday(&now, 0); | |
3023 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
3024 | ||
3025 | if (event->type & GPM_UP) | |
3026 | result->modifiers = up_modifier; | |
3027 | else if (event->type & GPM_DOWN) | |
3028 | result->modifiers = down_modifier; | |
3029 | else | |
3030 | result->modifiers = 0; | |
f4d953fc | 3031 | |
e882229c NR |
3032 | if (event->type & GPM_SINGLE) |
3033 | result->modifiers |= click_modifier; | |
f4d953fc | 3034 | |
e882229c NR |
3035 | if (event->type & GPM_DOUBLE) |
3036 | result->modifiers |= double_modifier; | |
3037 | ||
3038 | if (event->type & GPM_TRIPLE) | |
3039 | result->modifiers |= triple_modifier; | |
3040 | ||
3041 | if (event->type & GPM_DRAG) | |
3042 | result->modifiers |= drag_modifier; | |
3043 | ||
80fb2ce0 | 3044 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
3045 | |
3046 | /* 1 << KG_SHIFT */ | |
3047 | if (event->modifiers & (1 << 0)) | |
3048 | result->modifiers |= shift_modifier; | |
3049 | ||
3050 | /* 1 << KG_CTRL */ | |
3051 | if (event->modifiers & (1 << 2)) | |
3052 | result->modifiers |= ctrl_modifier; | |
3053 | ||
3054 | /* 1 << KG_ALT || KG_ALTGR */ | |
3055 | if (event->modifiers & (1 << 3) | |
3056 | || event->modifiers & (1 << 1)) | |
3057 | result->modifiers |= meta_modifier; | |
3058 | } | |
3059 | ||
80fb2ce0 NR |
3060 | XSETINT (result->x, event->x); |
3061 | XSETINT (result->y, event->y); | |
e882229c NR |
3062 | XSETFRAME (result->frame_or_window, f); |
3063 | result->arg = Qnil; | |
3064 | return Qnil; | |
3065 | } | |
3066 | ||
f4d953fc | 3067 | int |
7be1c21a | 3068 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 3069 | { |
7be1c21a | 3070 | struct frame *f = XFRAME (tty->top_frame); |
e882229c NR |
3071 | struct input_event ie; |
3072 | int do_help = 0; | |
3073 | int count = 0; | |
3074 | ||
3075 | EVENT_INIT (ie); | |
3076 | ie.kind = NO_EVENT; | |
3077 | ie.arg = Qnil; | |
3078 | ||
80fb2ce0 | 3079 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
3080 | previous_help_echo_string = help_echo_string; |
3081 | help_echo_string = Qnil; | |
3082 | ||
6178ce5e | 3083 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 3084 | |
80fb2ce0 NR |
3085 | if (!term_mouse_movement (f, event)) |
3086 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
3087 | |
3088 | /* If the contents of the global variable help_echo_string | |
3089 | has changed, generate a HELP_EVENT. */ | |
3090 | if (!NILP (help_echo_string) | |
3091 | || !NILP (previous_help_echo_string)) | |
3092 | do_help = 1; | |
3093 | ||
3094 | goto done; | |
3095 | } | |
3096 | else { | |
3097 | f->mouse_moved = 0; | |
3098 | term_mouse_click (&ie, event, f); | |
e882229c NR |
3099 | } |
3100 | ||
3101 | done: | |
3102 | if (ie.kind != NO_EVENT) | |
3103 | { | |
3104 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
3105 | count++; | |
3106 | } | |
3107 | ||
3108 | if (do_help | |
3109 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
3110 | { | |
3111 | Lisp_Object frame; | |
3112 | ||
3113 | if (f) | |
3114 | XSETFRAME (frame, f); | |
3115 | else | |
3116 | frame = Qnil; | |
3117 | ||
3118 | gen_help_event (help_echo_string, frame, help_echo_window, | |
3119 | help_echo_object, help_echo_pos); | |
3120 | count++; | |
3121 | } | |
3122 | ||
3123 | return count; | |
3124 | } | |
3125 | ||
6178ce5e | 3126 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 3127 | 0, 0, 0, |
71f44e7a | 3128 | doc: /* Open a connection to Gpm. |
6178ce5e | 3129 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 3130 | (void) |
e882229c | 3131 | { |
71f44e7a SM |
3132 | struct frame *f = SELECTED_FRAME (); |
3133 | struct tty_display_info *tty | |
3134 | = ((f)->output_method == output_termcap | |
3135 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
3136 | Gpm_Connect connection; |
3137 | ||
6178ce5e SM |
3138 | if (!tty) |
3139 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
3140 | if (gpm_tty == tty) |
3141 | return Qnil; /* Already activated, nothing to do. */ | |
3142 | if (gpm_tty) | |
3143 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 3144 | |
e882229c NR |
3145 | connection.eventMask = ~0; |
3146 | connection.defaultMask = ~GPM_HARD; | |
3147 | connection.maxMod = ~0; | |
3148 | connection.minMod = 0; | |
80fb2ce0 | 3149 | gpm_zerobased = 1; |
e882229c NR |
3150 | |
3151 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 3152 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
3153 | else |
3154 | { | |
71f44e7a | 3155 | gpm_tty = tty; |
1023cbed SM |
3156 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
3157 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
3158 | before calling init_sys_modes. */ | |
7be1c21a MB |
3159 | reset_sys_modes (tty); |
3160 | init_sys_modes (tty); | |
e882229c | 3161 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 3162 | return Qnil; |
e882229c NR |
3163 | } |
3164 | } | |
3165 | ||
ed5ff21d | 3166 | void |
d347e494 | 3167 | close_gpm (int fd) |
ed5ff21d | 3168 | { |
d347e494 SM |
3169 | if (fd >= 0) |
3170 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
3171 | while (Gpm_Close()); /* close all the stack */ |
3172 | gpm_tty = NULL; | |
3173 | } | |
3174 | ||
6178ce5e | 3175 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
3176 | 0, 0, 0, |
3177 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 3178 | (void) |
e882229c | 3179 | { |
4ce5ab77 SM |
3180 | struct frame *f = SELECTED_FRAME (); |
3181 | struct tty_display_info *tty | |
3182 | = ((f)->output_method == output_termcap | |
3183 | ? (f)->terminal->display_info.tty : NULL); | |
3184 | ||
3185 | if (!tty || gpm_tty != tty) | |
3186 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 3187 | |
d347e494 | 3188 | close_gpm (gpm_fd); |
6178ce5e | 3189 | return Qnil; |
e882229c | 3190 | } |
7e5a23bd | 3191 | #endif /* HAVE_GPM */ |
e882229c NR |
3192 | |
3193 | \f | |
89ba96f4 | 3194 | #ifndef MSDOS |
a168702a GM |
3195 | /*********************************************************************** |
3196 | Initialization | |
3197 | ***********************************************************************/ | |
3198 | ||
ed8dad6b KL |
3199 | /* Initialize the tty-dependent part of frame F. The frame must |
3200 | already have its device initialized. */ | |
3224dac1 | 3201 | |
dfcf069d | 3202 | void |
ed8dad6b | 3203 | create_tty_output (struct frame *f) |
28d440ab | 3204 | { |
ed8dad6b KL |
3205 | struct tty_output *t; |
3206 | ||
3207 | if (! FRAME_TERMCAP_P (f)) | |
428a555e KL |
3208 | abort (); |
3209 | ||
ed8dad6b | 3210 | t = xmalloc (sizeof (struct tty_output)); |
72af86bd | 3211 | memset (t, 0, sizeof (struct tty_output)); |
b6660415 | 3212 | |
6ed8eeff | 3213 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 3214 | |
ed8dad6b | 3215 | f->output_data.tty = t; |
3224dac1 KL |
3216 | } |
3217 | ||
9f215d25 | 3218 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 3219 | |
ed8dad6b | 3220 | static void |
9f215d25 | 3221 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 3222 | { |
ed8dad6b | 3223 | if (! FRAME_TERMCAP_P (f)) |
3224dac1 KL |
3224 | abort (); |
3225 | ||
9f215d25 CY |
3226 | if (FRAME_FACE_CACHE (f)) |
3227 | free_frame_faces (f); | |
3228 | ||
ed8dad6b | 3229 | xfree (f->output_data.tty); |
28d440ab KL |
3230 | } |
3231 | ||
89ba96f4 EZ |
3232 | #else /* MSDOS */ |
3233 | ||
3234 | /* Delete frame F's face cache. */ | |
3235 | ||
3236 | static void | |
3237 | tty_free_frame_resources (struct frame *f) | |
3238 | { | |
3239 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
3240 | abort (); | |
3241 | ||
3242 | if (FRAME_FACE_CACHE (f)) | |
3243 | free_frame_faces (f); | |
3244 | } | |
3245 | #endif /* MSDOS */ | |
ed8dad6b | 3246 | \f |
47cc8819 | 3247 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 3248 | |
4a665758 KL |
3249 | static void |
3250 | clear_tty_hooks (struct terminal *terminal) | |
3251 | { | |
3252 | terminal->rif = 0; | |
3253 | terminal->cursor_to_hook = 0; | |
3254 | terminal->raw_cursor_to_hook = 0; | |
3255 | terminal->clear_to_end_hook = 0; | |
3256 | terminal->clear_frame_hook = 0; | |
3257 | terminal->clear_end_of_line_hook = 0; | |
3258 | terminal->ins_del_lines_hook = 0; | |
3259 | terminal->insert_glyphs_hook = 0; | |
3260 | terminal->write_glyphs_hook = 0; | |
3261 | terminal->delete_glyphs_hook = 0; | |
3262 | terminal->ring_bell_hook = 0; | |
3263 | terminal->reset_terminal_modes_hook = 0; | |
3264 | terminal->set_terminal_modes_hook = 0; | |
3265 | terminal->update_begin_hook = 0; | |
3266 | terminal->update_end_hook = 0; | |
3267 | terminal->set_terminal_window_hook = 0; | |
3268 | terminal->mouse_position_hook = 0; | |
3269 | terminal->frame_rehighlight_hook = 0; | |
3270 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 3271 | terminal->fullscreen_hook = 0; |
4a665758 KL |
3272 | terminal->set_vertical_scroll_bar_hook = 0; |
3273 | terminal->condemn_scroll_bars_hook = 0; | |
3274 | terminal->redeem_scroll_bar_hook = 0; | |
3275 | terminal->judge_scroll_bars_hook = 0; | |
3276 | terminal->read_socket_hook = 0; | |
3277 | terminal->frame_up_to_date_hook = 0; | |
3278 | ||
3279 | /* Leave these two set, or suspended frames are not deleted | |
3280 | correctly. */ | |
9f215d25 | 3281 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3282 | terminal->delete_terminal_hook = &delete_tty; |
3283 | } | |
3284 | ||
47cc8819 DN |
3285 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
3286 | ||
4a665758 KL |
3287 | static void |
3288 | set_tty_hooks (struct terminal *terminal) | |
3289 | { | |
3290 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
3291 | ||
3292 | terminal->cursor_to_hook = &tty_cursor_to; | |
3293 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
3294 | ||
3295 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
3296 | terminal->clear_frame_hook = &tty_clear_frame; | |
3297 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
3298 | ||
3299 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
3300 | ||
3301 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
3302 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
3303 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
3304 | ||
3305 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 3306 | |
4a665758 KL |
3307 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
3308 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
3309 | terminal->update_begin_hook = 0; /* Not needed. */ | |
3310 | terminal->update_end_hook = &tty_update_end; | |
3311 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
3312 | ||
3313 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
3314 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
3315 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
3316 | ||
3317 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
3318 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
3319 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
3320 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
3321 | ||
3322 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
3323 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 3324 | |
9f215d25 | 3325 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
3326 | terminal->delete_terminal_hook = &delete_tty; |
3327 | } | |
3328 | ||
03a1d6bd | 3329 | /* Drop the controlling terminal if fd is the same device. */ |
ed8dad6b | 3330 | static void |
03a1d6bd KL |
3331 | dissociate_if_controlling_tty (int fd) |
3332 | { | |
84704c5c | 3333 | #ifndef DOS_NT |
03a1d6bd | 3334 | int pgid; |
8516815b | 3335 | EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */ |
03a1d6bd KL |
3336 | if (pgid != -1) |
3337 | { | |
6254cdda | 3338 | #if defined (USG5) |
03a1d6bd KL |
3339 | setpgrp (); |
3340 | no_controlling_tty = 1; | |
de52dcbb DN |
3341 | #elif defined (CYGWIN) |
3342 | setsid (); | |
3343 | no_controlling_tty = 1; | |
03a1d6bd KL |
3344 | #else |
3345 | #ifdef TIOCNOTTY /* Try BSD ioctls. */ | |
8516815b | 3346 | sigblock (sigmask (SIGTTOU)); |
78048085 | 3347 | fd = emacs_open (DEV_TTY, O_RDWR, 0); |
8516815b KL |
3348 | if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1) |
3349 | { | |
3350 | no_controlling_tty = 1; | |
3351 | } | |
3352 | if (fd != -1) | |
3353 | emacs_close (fd); | |
3354 | sigunblock (sigmask (SIGTTOU)); | |
03a1d6bd | 3355 | #else |
8516815b KL |
3356 | /* Unknown system. */ |
3357 | croak (); | |
03a1d6bd KL |
3358 | #endif /* ! TIOCNOTTY */ |
3359 | #endif /* ! USG */ | |
71a96040 | 3360 | } |
84704c5c | 3361 | #endif /* !DOS_NT */ |
03a1d6bd KL |
3362 | } |
3363 | ||
3224dac1 KL |
3364 | /* Create a termcap display on the tty device with the given name and |
3365 | type. | |
3366 | ||
ab797f65 | 3367 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
3368 | Otherwise NAME should be a path to the tty device file, |
3369 | e.g. "/dev/pts/7". | |
28d440ab | 3370 | |
3224dac1 KL |
3371 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
3372 | ||
3373 | If MUST_SUCCEED is true, then all errors are fatal. */ | |
da8e1115 | 3374 | |
6ed8eeff | 3375 | struct terminal * |
a4c6993d | 3376 | init_tty (char *name, char *terminal_type, int must_succeed) |
08a24c47 | 3377 | { |
59b3194c | 3378 | char *area = NULL; |
08a24c47 | 3379 | char **address = &area; |
6b61353c | 3380 | int buffer_size = 4096; |
59b3194c | 3381 | register char *p = NULL; |
08a24c47 | 3382 | int status; |
59b3194c KL |
3383 | struct tty_display_info *tty = NULL; |
3384 | struct terminal *terminal = NULL; | |
3385 | int ctty = 0; /* 1 if asked to open controlling tty. */ | |
28d440ab | 3386 | |
3224dac1 | 3387 | if (!terminal_type) |
d31eee5e | 3388 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
3389 | "Unknown terminal type", |
3390 | "Unknown terminal type"); | |
b6660415 | 3391 | |
ab797f65 | 3392 | if (name == NULL) |
78048085 EZ |
3393 | name = DEV_TTY; |
3394 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
3395 | ctty = 1; |
3396 | ||
6ed8eeff KL |
3397 | /* If we already have a terminal on the given device, use that. If |
3398 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 3399 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 3400 | always create a new terminal and separating terminal and frame |
b6660415 | 3401 | creation on Lisp level. */ |
6ed8eeff KL |
3402 | terminal = get_named_tty (name); |
3403 | if (terminal) | |
3404 | return terminal; | |
78048085 | 3405 | |
6ed8eeff | 3406 | terminal = create_terminal (); |
84704c5c EZ |
3407 | #ifdef MSDOS |
3408 | if (been_here > 0) | |
d31eee5e | 3409 | maybe_fatal (1, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
3410 | name, ""); |
3411 | been_here = 1; | |
3412 | tty = &the_only_display_info; | |
3413 | #else | |
3224dac1 | 3414 | tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info)); |
84704c5c | 3415 | #endif |
72af86bd | 3416 | memset (tty, 0, sizeof (struct tty_display_info)); |
3224dac1 KL |
3417 | tty->next = tty_list; |
3418 | tty_list = tty; | |
428a555e | 3419 | |
6ed8eeff KL |
3420 | terminal->type = output_termcap; |
3421 | terminal->display_info.tty = tty; | |
3422 | tty->terminal = terminal; | |
28d440ab | 3423 | |
7b00d185 KL |
3424 | tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm)); |
3425 | Wcm_clear (tty); | |
daf01701 | 3426 | |
84704c5c | 3427 | #ifndef DOS_NT |
4a665758 | 3428 | set_tty_hooks (terminal); |
78048085 | 3429 | |
59b3194c KL |
3430 | { |
3431 | int fd; | |
3432 | FILE *file; | |
0c72d684 KL |
3433 | |
3434 | #ifdef O_IGNORE_CTTY | |
59b3194c | 3435 | if (!ctty) |
0c72d684 KL |
3436 | /* Open the terminal device. Don't recognize it as our |
3437 | controlling terminal, and don't make it the controlling tty | |
3438 | if we don't have one at the moment. */ | |
3439 | fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0); | |
59b3194c | 3440 | else |
0c72d684 | 3441 | #else |
2666355c | 3442 | /* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only |
59b3194c KL |
3443 | defined on Hurd. On other systems, we need to explicitly |
3444 | dissociate ourselves from the controlling tty when we want to | |
3445 | open a frame on the same terminal. */ | |
0c72d684 | 3446 | fd = emacs_open (name, O_RDWR | O_NOCTTY, 0); |
0c72d684 KL |
3447 | #endif /* O_IGNORE_CTTY */ |
3448 | ||
97c6058a DN |
3449 | tty->name = xstrdup (name); |
3450 | terminal->name = xstrdup (name); | |
3451 | ||
59b3194c | 3452 | if (fd < 0) |
d31eee5e | 3453 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3454 | "Could not open file: %s", |
3455 | "Could not open file: %s", | |
3456 | name); | |
3457 | if (!isatty (fd)) | |
3458 | { | |
3459 | close (fd); | |
d31eee5e | 3460 | maybe_fatal (must_succeed, terminal, |
59b3194c KL |
3461 | "Not a tty device: %s", |
3462 | "Not a tty device: %s", | |
3463 | name); | |
3464 | } | |
0c72d684 | 3465 | |
59b3194c KL |
3466 | #ifndef O_IGNORE_CTTY |
3467 | if (!ctty) | |
03a1d6bd | 3468 | dissociate_if_controlling_tty (fd); |
59b3194c KL |
3469 | #endif |
3470 | ||
3471 | file = fdopen (fd, "w+"); | |
59b3194c KL |
3472 | tty->input = file; |
3473 | tty->output = file; | |
3474 | } | |
78048085 | 3475 | |
28d7d09f | 3476 | tty->type = xstrdup (terminal_type); |
28d440ab | 3477 | |
819b8f00 | 3478 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3479 | |
84704c5c EZ |
3480 | #endif /* !DOS_NT */ |
3481 | ||
288d5132 KH |
3482 | encode_terminal_src_size = 0; |
3483 | encode_terminal_dst_size = 0; | |
af645abf | 3484 | |
7e5a23bd | 3485 | #ifdef HAVE_GPM |
88acaaf2 | 3486 | terminal->mouse_position_hook = term_mouse_position; |
6178ce5e | 3487 | mouse_face_window = Qnil; |
e882229c NR |
3488 | #endif |
3489 | ||
84704c5c | 3490 | #ifdef DOS_NT |
cb28b9c2 | 3491 | #ifdef WINDOWSNT |
953bf0dc | 3492 | initialize_w32_display (terminal); |
84704c5c EZ |
3493 | #else /* MSDOS */ |
3494 | if (strcmp (terminal_type, "internal") == 0) | |
3495 | terminal->type = output_msdos_raw; | |
3496 | initialize_msdos_display (terminal); | |
3497 | #endif /* MSDOS */ | |
3498 | tty->output = stdout; | |
3499 | tty->input = stdin; | |
a0236551 | 3500 | /* The following two are inaccessible from w32console.c. */ |
9f215d25 | 3501 | terminal->delete_frame_hook = &tty_free_frame_resources; |
a0236551 | 3502 | terminal->delete_terminal_hook = &delete_tty; |
cb28b9c2 | 3503 | |
78048085 EZ |
3504 | tty->name = xstrdup (name); |
3505 | terminal->name = xstrdup (name); | |
3506 | tty->type = xstrdup (terminal_type); | |
cb28b9c2 | 3507 | |
a0236551 | 3508 | add_keyboard_wait_descriptor (0); |
cb28b9c2 | 3509 | |
a0236551 | 3510 | Wcm_clear (tty); |
cb28b9c2 | 3511 | |
84704c5c | 3512 | #ifdef WINDOWSNT |
5d333979 JR |
3513 | { |
3514 | struct frame *f = XFRAME (selected_frame); | |
cb28b9c2 | 3515 | |
a0236551 JR |
3516 | FrameRows (tty) = FRAME_LINES (f); |
3517 | FrameCols (tty) = FRAME_COLS (f); | |
3518 | tty->specified_window = FRAME_LINES (f); | |
cb28b9c2 | 3519 | |
a0236551 JR |
3520 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
3521 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; | |
5d333979 | 3522 | } |
84704c5c EZ |
3523 | #else /* MSDOS */ |
3524 | { | |
3525 | int height, width; | |
3526 | get_tty_size (fileno (tty->input), &width, &height); | |
3527 | FrameCols (tty) = width; | |
3528 | FrameRows (tty) = height; | |
3529 | } | |
3530 | #endif /* MSDOS */ | |
5d333979 | 3531 | tty->delete_in_insert_mode = 1; |
cb28b9c2 | 3532 | |
daf01701 | 3533 | UseTabs (tty) = 0; |
6ed8eeff | 3534 | terminal->scroll_region_ok = 0; |
cb28b9c2 | 3535 | |
7e59217d | 3536 | /* Seems to insert lines when it's not supposed to, messing up the |
6ed8eeff | 3537 | display. In doing a trace, it didn't seem to be called much, so I |
7e59217d | 3538 | don't think we're losing anything by turning it off. */ |
6ed8eeff | 3539 | terminal->line_ins_del_ok = 0; |
84704c5c | 3540 | #ifdef WINDOWSNT |
6ed8eeff | 3541 | terminal->char_ins_del_ok = 1; |
cb28b9c2 | 3542 | baud_rate = 19200; |
84704c5c EZ |
3543 | #else /* MSDOS */ |
3544 | terminal->char_ins_del_ok = 0; | |
3545 | init_baud_rate (fileno (tty->input)); | |
3546 | #endif /* MSDOS */ | |
cb28b9c2 | 3547 | |
5d333979 | 3548 | tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 | 3549 | |
84704c5c | 3550 | #else /* not DOS_NT */ |
cb28b9c2 | 3551 | |
6548cf00 | 3552 | Wcm_clear (tty); |
08a24c47 | 3553 | |
d31eee5e | 3554 | tty->termcap_term_buffer = (char *) xmalloc (buffer_size); |
78048085 | 3555 | |
03a1d6bd KL |
3556 | /* On some systems, tgetent tries to access the controlling |
3557 | terminal. */ | |
3558 | sigblock (sigmask (SIGTTOU)); | |
d31eee5e | 3559 | status = tgetent (tty->termcap_term_buffer, terminal_type); |
03a1d6bd | 3560 | sigunblock (sigmask (SIGTTOU)); |
78048085 | 3561 | |
08a24c47 | 3562 | if (status < 0) |
b0347178 KH |
3563 | { |
3564 | #ifdef TERMINFO | |
d31eee5e | 3565 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3566 | "Cannot open terminfo database file", |
3567 | "Cannot open terminfo database file"); | |
b0347178 | 3568 | #else |
d31eee5e | 3569 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3570 | "Cannot open termcap database file", |
3571 | "Cannot open termcap database file"); | |
b0347178 KH |
3572 | #endif |
3573 | } | |
08a24c47 | 3574 | if (status == 0) |
b0347178 | 3575 | { |
d31eee5e | 3576 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3577 | "Terminal type %s is not defined", |
3578 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3579 | If that is not the actual type of terminal you have,\n\ |
3580 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3581 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3582 | #ifdef TERMINFO | |
3583 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3584 | #else |
84164a0d | 3585 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3586 | #endif |
84164a0d | 3587 | terminal_type); |
b0347178 | 3588 | } |
6b61353c KH |
3589 | |
3590 | #ifndef TERMINFO | |
d31eee5e | 3591 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
08a24c47 | 3592 | abort (); |
d31eee5e | 3593 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3594 | #endif |
d31eee5e | 3595 | tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size); |
fca177d4 KL |
3596 | tty->TS_ins_line = tgetstr ("al", address); |
3597 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3598 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3599 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3600 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3601 | tty->TS_clr_line = tgetstr ("ce", address); | |
3602 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3603 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3604 | AbsPosition (tty) = tgetstr ("cm", address); | |
3605 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3606 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3607 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3608 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3609 | tty->TS_del_char = tgetstr ("dc", address); |
3610 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3611 | tty->TS_del_line = tgetstr ("dl", address); | |
3612 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3613 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3614 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3615 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3616 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3617 | tty->TS_ins_char = tgetstr ("ic", address); |
3618 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3619 | tty->TS_insert_mode = tgetstr ("im", address); | |
3620 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3621 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3622 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3623 | LastLine (tty) = tgetstr ("ll", address); |
3624 | Right (tty) = tgetstr ("nd", address); | |
3625 | Down (tty) = tgetstr ("do", address); | |
3626 | if (!Down (tty)) | |
3627 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
08a24c47 | 3628 | if (tgetflag ("bs")) |
6548cf00 | 3629 | Left (tty) = "\b"; /* can't possibly be longer! */ |
08a24c47 | 3630 | else /* (Actually, "bs" is obsolete...) */ |
6548cf00 KL |
3631 | Left (tty) = tgetstr ("le", address); |
3632 | if (!Left (tty)) | |
3633 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
fca177d4 KL |
3634 | tty->TS_pad_char = tgetstr ("pc", address); |
3635 | tty->TS_repeat = tgetstr ("rp", address); | |
3636 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3637 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3638 | tty->TS_standout_mode = tgetstr ("so", address); | |
3639 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3640 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3641 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3642 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3643 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3644 | tty->TS_visible_bell = tgetstr ("vb", address); |
3645 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3646 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3647 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3648 | tty->TS_set_window = tgetstr ("wi", address); | |
3649 | ||
3650 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3651 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3652 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
3653 | tty->TS_enter_dim_mode = tgetstr ("mh", address); | |
3654 | tty->TS_enter_blink_mode = tgetstr ("mb", address); | |
3655 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); | |
3656 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3657 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3658 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3659 | |
6548cf00 KL |
3660 | MultiUp (tty) = tgetstr ("UP", address); |
3661 | MultiDown (tty) = tgetstr ("DO", address); | |
3662 | MultiLeft (tty) = tgetstr ("LE", address); | |
3663 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3664 | |
e7f90eab GM |
3665 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3666 | color because we can't switch back to the default foreground and | |
3667 | background. */ | |
fca177d4 KL |
3668 | tty->TS_orig_pair = tgetstr ("op", address); |
3669 | if (tty->TS_orig_pair) | |
a168702a | 3670 | { |
fca177d4 KL |
3671 | tty->TS_set_foreground = tgetstr ("AF", address); |
3672 | tty->TS_set_background = tgetstr ("AB", address); | |
3673 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3674 | { |
3675 | /* SVr4. */ | |
fca177d4 KL |
3676 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3677 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3678 | } |
177c0ea7 | 3679 | |
fca177d4 KL |
3680 | tty->TN_max_colors = tgetnum ("Co"); |
3681 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3682 | |
fca177d4 KL |
3683 | tty->TN_no_color_video = tgetnum ("NC"); |
3684 | if (tty->TN_no_color_video == -1) | |
3685 | tty->TN_no_color_video = 0; | |
a168702a | 3686 | } |
a168702a | 3687 | |
fca177d4 | 3688 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3689 | |
6548cf00 | 3690 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3691 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3692 | the former flag imply the latter. */ | |
6548cf00 | 3693 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3694 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3695 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3696 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3697 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3698 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3699 | tty->TF_standout_motion = tgetflag ("ms"); | |
3700 | tty->TF_underscore = tgetflag ("ul"); | |
3701 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3702 | |
84704c5c | 3703 | #endif /* !DOS_NT */ |
6ed8eeff KL |
3704 | terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
3705 | init_kboard (terminal->kboard); | |
70b8d0a4 | 3706 | terminal->kboard->Vwindow_system = Qnil; |
6ed8eeff KL |
3707 | terminal->kboard->next_kboard = all_kboards; |
3708 | all_kboards = terminal->kboard; | |
3709 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3710 | /* Don't let the initial kboard remain current longer than necessary. |
3711 | That would cause problems if a file loaded on startup tries to | |
3712 | prompt in the mini-buffer. */ | |
3713 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3714 | current_kboard = terminal->kboard; |
84704c5c | 3715 | #ifndef DOS_NT |
6ed8eeff | 3716 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3717 | |
ff11dfa1 | 3718 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3719 | { |
3720 | int height, width; | |
0b0d3e0b | 3721 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3722 | FrameCols (tty) = width; |
3723 | FrameRows (tty) = height; | |
3b12ce12 RS |
3724 | } |
3725 | ||
0a125897 KL |
3726 | if (FrameCols (tty) <= 0) |
3727 | FrameCols (tty) = tgetnum ("co"); | |
3728 | if (FrameRows (tty) <= 0) | |
3729 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3730 | |
0a125897 | 3731 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3732 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3733 | "Screen size %dx%d is too small", |
3224dac1 | 3734 | "Screen size %dx%d is too small", |
0a125897 | 3735 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3736 | |
6548cf00 | 3737 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3738 | |
fca177d4 KL |
3739 | if (!tty->TS_bell) |
3740 | tty->TS_bell = "\07"; | |
08a24c47 | 3741 | |
fca177d4 KL |
3742 | if (!tty->TS_fwd_scroll) |
3743 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3744 | |
fca177d4 | 3745 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3746 | |
6548cf00 KL |
3747 | if (TabWidth (tty) < 0) |
3748 | TabWidth (tty) = 8; | |
177c0ea7 | 3749 | |
08a24c47 JB |
3750 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3751 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3752 | if (!tty->Wcm->cm_tab) |
3753 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3754 | */ |
3755 | ||
54800acb MB |
3756 | /* We don't support standout modes that use `magic cookies', so |
3757 | turn off any that do. */ | |
fca177d4 | 3758 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3759 | { |
fca177d4 KL |
3760 | tty->TS_standout_mode = 0; |
3761 | tty->TS_end_standout_mode = 0; | |
54800acb | 3762 | } |
fca177d4 | 3763 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3764 | { |
fca177d4 KL |
3765 | tty->TS_enter_underline_mode = 0; |
3766 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3767 | } |
3768 | ||
3769 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3770 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3771 | { |
fca177d4 KL |
3772 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3773 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3774 | } |
3775 | ||
afd359c4 RS |
3776 | /* If no `se' string, try using a `me' string instead. |
3777 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3778 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3779 | { |
e4bfb3b6 | 3780 | char *s = tgetstr ("me", address); |
afd359c4 | 3781 | if (s != 0) |
fca177d4 | 3782 | tty->TS_end_standout_mode = s; |
afd359c4 | 3783 | else |
fca177d4 | 3784 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3785 | } |
3786 | ||
fca177d4 | 3787 | if (tty->TF_teleray) |
08a24c47 | 3788 | { |
6548cf00 | 3789 | tty->Wcm->cm_tab = 0; |
54800acb | 3790 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3791 | tty->TS_standout_mode = 0; |
08a24c47 | 3792 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3793 | CR (tty) = 0; |
08a24c47 JB |
3794 | /* LF can't be trusted either -- can alter hpos */ |
3795 | /* if move at column 0 thru a line with TS_standout_mode */ | |
6548cf00 | 3796 | Down (tty) = 0; |
08a24c47 JB |
3797 | } |
3798 | ||
3799 | /* Special handling for certain terminal types known to need it */ | |
3800 | ||
3801 | if (!strcmp (terminal_type, "supdup")) | |
3802 | { | |
6ed8eeff | 3803 | terminal->memory_below_frame = 1; |
6548cf00 | 3804 | tty->Wcm->cm_losewrap = 1; |
08a24c47 JB |
3805 | } |
3806 | if (!strncmp (terminal_type, "c10", 3) | |
3807 | || !strcmp (terminal_type, "perq")) | |
3808 | { | |
3809 | /* Supply a makeshift :wi string. | |
3810 | This string is not valid in general since it works only | |
3811 | for windows starting at the upper left corner; | |
3812 | but that is all Emacs uses. | |
3813 | ||
ff11dfa1 | 3814 | This string works only if the frame is using |
08a24c47 JB |
3815 | the top of the video memory, because addressing is memory-relative. |
3816 | So first check the :ti string to see if that is true. | |
3817 | ||
3818 | It would be simpler if the :wi string could go in the termcap | |
3819 | entry, but it can't because it is not fully valid. | |
3820 | If it were in the termcap entry, it would confuse other programs. */ | |
fca177d4 | 3821 | if (!tty->TS_set_window) |
08a24c47 | 3822 | { |
fca177d4 | 3823 | p = tty->TS_termcap_modes; |
08a24c47 JB |
3824 | while (*p && strcmp (p, "\033v ")) |
3825 | p++; | |
3826 | if (*p) | |
fca177d4 | 3827 | tty->TS_set_window = "\033v%C %C %C %C "; |
08a24c47 JB |
3828 | } |
3829 | /* Termcap entry often fails to have :in: flag */ | |
6ed8eeff | 3830 | terminal->must_write_spaces = 1; |
08a24c47 JB |
3831 | /* :ti string typically fails to have \E^G! in it */ |
3832 | /* This limits scope of insert-char to one line. */ | |
fca177d4 | 3833 | strcpy (area, tty->TS_termcap_modes); |
08a24c47 | 3834 | strcat (area, "\033\007!"); |
fca177d4 | 3835 | tty->TS_termcap_modes = area; |
08a24c47 | 3836 | area += strlen (area) + 1; |
6548cf00 | 3837 | p = AbsPosition (tty); |
08a24c47 | 3838 | /* Change all %+ parameters to %C, to handle |
28d440ab | 3839 | values above 96 correctly for the C100. */ |
08a24c47 | 3840 | while (*p) |
28d440ab KL |
3841 | { |
3842 | if (p[0] == '%' && p[1] == '+') | |
3843 | p[1] = 'C'; | |
3844 | p++; | |
3845 | } | |
08a24c47 JB |
3846 | } |
3847 | ||
0a125897 | 3848 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3849 | |
6548cf00 | 3850 | if (Wcm_init (tty) == -1) /* can't do cursor motion */ |
3224dac1 | 3851 | { |
d31eee5e | 3852 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3853 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
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\ | |
84164a0d SM |
3858 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3859 | # ifdef TERMINFO | |
3860 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3861 | # else /* TERMCAP */ |
84164a0d | 3862 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3863 | # endif /* TERMINFO */ |
3224dac1 | 3864 | terminal_type); |
fca177d4 | 3865 | } |
daf01701 | 3866 | |
0a125897 | 3867 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3868 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3869 | "Could not determine the frame size", |
3870 | "Could not determine the frame size"); | |
08a24c47 | 3871 | |
fca177d4 KL |
3872 | tty->delete_in_insert_mode |
3873 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3874 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3875 | |
fca177d4 KL |
3876 | tty->se_is_so = (tty->TS_standout_mode |
3877 | && tty->TS_end_standout_mode | |
3878 | && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode)); | |
08a24c47 | 3879 | |
0b0d3e0b | 3880 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3881 | |
6ed8eeff | 3882 | terminal->scroll_region_ok |
6548cf00 | 3883 | = (tty->Wcm->cm_abs |
fca177d4 | 3884 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3885 | |
6ed8eeff | 3886 | terminal->line_ins_del_ok |
fca177d4 KL |
3887 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3888 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3889 | || (terminal->scroll_region_ok |
fca177d4 | 3890 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3891 | |
6ed8eeff | 3892 | terminal->char_ins_del_ok |
fca177d4 KL |
3893 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3894 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3895 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3896 | |
6ed8eeff | 3897 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3898 | |
0b0d3e0b | 3899 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3900 | |
84704c5c | 3901 | #endif /* not DOS_NT */ |
635e3b29 | 3902 | |
0a125897 KL |
3903 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3904 | init_sys_modes (tty); | |
daf01701 | 3905 | |
6ed8eeff | 3906 | return terminal; |
08a24c47 JB |
3907 | } |
3908 | ||
b3ffc17c DN |
3909 | |
3910 | static void | |
3911 | vfatal (const char *str, va_list ap) | |
3912 | { | |
3913 | fprintf (stderr, "emacs: "); | |
3914 | vfprintf (stderr, str, ap); | |
3915 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3916 | fprintf (stderr, "\n"); | |
3917 | va_end (ap); | |
3918 | fflush (stderr); | |
3919 | exit (1); | |
3920 | } | |
3921 | ||
3922 | ||
a4c6993d | 3923 | /* Auxiliary error-handling function for init_tty. |
d31eee5e CY |
3924 | Delete TERMINAL, then call error or fatal with str1 or str2, |
3925 | respectively, according to MUST_SUCCEED. */ | |
6b61353c | 3926 | |
3224dac1 | 3927 | static void |
b3ffc17c DN |
3928 | maybe_fatal (int must_succeed, struct terminal *terminal, |
3929 | const char *str1, const char *str2, ...) | |
3224dac1 | 3930 | { |
b3ffc17c DN |
3931 | va_list ap; |
3932 | va_start (ap, str2); | |
6ed8eeff KL |
3933 | if (terminal) |
3934 | delete_tty (terminal); | |
f4d953fc | 3935 | |
3224dac1 | 3936 | if (must_succeed) |
b3ffc17c | 3937 | vfatal (str2, ap); |
3224dac1 | 3938 | else |
b3ffc17c | 3939 | verror (str1, ap); |
3224dac1 | 3940 | |
b3ffc17c | 3941 | va_end (ap); |
3224dac1 | 3942 | abort (); |
08a24c47 JB |
3943 | } |
3944 | ||
dfcf069d | 3945 | void |
7c401d15 | 3946 | fatal (const char *str, ...) |
08a24c47 | 3947 | { |
7c401d15 DN |
3948 | va_list ap; |
3949 | va_start (ap, str); | |
b3ffc17c | 3950 | vfatal (str, ap); |
7c401d15 | 3951 | va_end (ap); |
08a24c47 | 3952 | } |
07c57952 | 3953 | |
819b8f00 KL |
3954 | \f |
3955 | ||
6ed8eeff | 3956 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3957 | |
ed8dad6b | 3958 | static void |
6ed8eeff | 3959 | delete_tty (struct terminal *terminal) |
072d84a6 | 3960 | { |
428a555e | 3961 | struct tty_display_info *tty; |
f4d953fc | 3962 | |
e2749141 | 3963 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3964 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3965 | if (!terminal->name) |
0a125897 | 3966 | return; |
fca177d4 | 3967 | |
6ed8eeff | 3968 | if (terminal->type != output_termcap) |
428a555e KL |
3969 | abort (); |
3970 | ||
6ed8eeff | 3971 | tty = terminal->display_info.tty; |
f4d953fc | 3972 | |
fca177d4 KL |
3973 | if (tty == tty_list) |
3974 | tty_list = tty->next; | |
3975 | else | |
3976 | { | |
28d7d09f | 3977 | struct tty_display_info *p; |
fca177d4 KL |
3978 | for (p = tty_list; p && p->next != tty; p = p->next) |
3979 | ; | |
3980 | ||
3981 | if (! p) | |
3982 | /* This should not happen. */ | |
3983 | abort (); | |
3984 | ||
0a125897 KL |
3985 | p->next = tty->next; |
3986 | tty->next = 0; | |
fca177d4 KL |
3987 | } |
3988 | ||
7e59217d | 3989 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3990 | before delete_terminal. */ |
04c3243c | 3991 | reset_sys_modes (tty); |
fca177d4 | 3992 | |
6ed8eeff | 3993 | delete_terminal (terminal); |
3224dac1 | 3994 | |
70fdbb46 JM |
3995 | xfree (tty->name); |
3996 | xfree (tty->type); | |
daf01701 | 3997 | |
fca177d4 | 3998 | if (tty->input) |
819b8f00 KL |
3999 | { |
4000 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
4001 | if (tty->input != stdin) | |
4002 | fclose (tty->input); | |
4003 | } | |
4004 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
4005 | fclose (tty->output); |
4006 | if (tty->termscript) | |
4007 | fclose (tty->termscript); | |
daf01701 | 4008 | |
70fdbb46 JM |
4009 | xfree (tty->old_tty); |
4010 | xfree (tty->Wcm); | |
5f445726 JM |
4011 | xfree (tty->termcap_strings_buffer); |
4012 | xfree (tty->termcap_term_buffer); | |
daf01701 | 4013 | |
72af86bd | 4014 | memset (tty, 0, sizeof (struct tty_display_info)); |
fca177d4 | 4015 | xfree (tty); |
fca177d4 KL |
4016 | } |
4017 | ||
428a555e KL |
4018 | \f |
4019 | ||
28d7d09f | 4020 | /* Mark the pointers in the tty_display_info objects. |
819b8f00 | 4021 | Called by the Fgarbage_collector. */ |
da8e1115 | 4022 | |
fca177d4 | 4023 | void |
ed8dad6b | 4024 | mark_ttys (void) |
fca177d4 | 4025 | { |
28d7d09f | 4026 | struct tty_display_info *tty; |
0c72d684 | 4027 | |
819b8f00 | 4028 | for (tty = tty_list; tty; tty = tty->next) |
3b6fc48f | 4029 | mark_object (tty->top_frame); |
072d84a6 RS |
4030 | } |
4031 | ||
428a555e KL |
4032 | \f |
4033 | ||
dfcf069d | 4034 | void |
d3da34e0 | 4035 | syms_of_term (void) |
07c57952 | 4036 | { |
7ee72033 MB |
4037 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
4038 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 4039 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
4040 | #ifdef TERMINFO |
4041 | system_uses_terminfo = 1; | |
4042 | #else | |
4043 | system_uses_terminfo = 0; | |
4044 | #endif | |
c291d9ef | 4045 | |
e4019195 DN |
4046 | DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions, |
4047 | doc: /* Functions to be run after suspending a tty. | |
fdc496e7 | 4048 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 4049 | See `suspend-tty'. */); |
e4019195 | 4050 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
4051 | |
4052 | ||
e4019195 DN |
4053 | DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions, |
4054 | doc: /* Functions to be run after resuming a tty. | |
fdc496e7 | 4055 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 4056 | See `resume-tty'. */); |
e4019195 | 4057 | Vresume_tty_functions = Qnil; |
a168702a | 4058 | |
0db017c0 SM |
4059 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
4060 | doc: /* Non-nil means to make the cursor very visible. | |
4061 | This only has an effect when running in a text terminal. | |
4062 | What means \"very visible\" is up to your terminal. It may make the cursor | |
4063 | bigger, or it may make it blink, or it may do nothing at all. */); | |
4064 | visible_cursor = 1; | |
4065 | ||
a168702a | 4066 | defsubr (&Stty_display_color_p); |
bfa62f96 | 4067 | defsubr (&Stty_display_color_cells); |
072d84a6 | 4068 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
4069 | defsubr (&Stty_type); |
4070 | defsubr (&Scontrolling_tty_p); | |
0b0d3e0b KL |
4071 | defsubr (&Ssuspend_tty); |
4072 | defsubr (&Sresume_tty); | |
7e5a23bd | 4073 | #ifdef HAVE_GPM |
6178ce5e SM |
4074 | defsubr (&Sgpm_mouse_start); |
4075 | defsubr (&Sgpm_mouse_stop); | |
94da14a0 | 4076 | |
6178ce5e | 4077 | staticpro (&mouse_face_window); |
7e5a23bd | 4078 | #endif /* HAVE_GPM */ |
3a7c5d40 | 4079 | |
84704c5c | 4080 | #ifndef DOS_NT |
3a7c5d40 CY |
4081 | default_orig_pair = NULL; |
4082 | default_set_foreground = NULL; | |
4083 | default_set_background = NULL; | |
84704c5c | 4084 | #endif /* !DOS_NT */ |
d31eee5e CY |
4085 | |
4086 | encode_terminal_src = NULL; | |
4087 | encode_terminal_dst = NULL; | |
07c57952 | 4088 | } |
a168702a | 4089 | |
819b8f00 KL |
4090 | |
4091 | ||
6b61353c KH |
4092 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
4093 | (do not change this comment) */ |