Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
ab422c4d PE |
2 | Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2013 Free Software |
3 | Foundation, Inc. | |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
08a24c47 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
08a24c47 JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
08a24c47 | 19 | |
d284f58f | 20 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 21 | |
565620a5 | 22 | #include <config.h> |
59b3194c | 23 | #include <errno.h> |
49cdacda PE |
24 | #include <fcntl.h> |
25 | #include <stdio.h> | |
28d440ab | 26 | #include <sys/file.h> |
d35af63c | 27 | #include <sys/time.h> |
1ec5dc77 | 28 | #include <unistd.h> |
0c72d684 | 29 | |
9628b887 | 30 | #include "lisp.h" |
08a24c47 | 31 | #include "termchar.h" |
50938595 | 32 | #include "tparam.h" |
9332ea03 | 33 | #include "character.h" |
e5560ff7 | 34 | #include "buffer.h" |
a4decb7f KH |
35 | #include "charset.h" |
36 | #include "coding.h" | |
4c12d738 | 37 | #include "composite.h" |
2538fae4 | 38 | #include "keyboard.h" |
ff11dfa1 | 39 | #include "frame.h" |
08a24c47 JB |
40 | #include "disptab.h" |
41 | #include "termhooks.h" | |
dfcf069d | 42 | #include "dispextern.h" |
a168702a | 43 | #include "window.h" |
8feddab4 | 44 | #include "keymap.h" |
1a935bfd | 45 | #include "blockinput.h" |
03a1d6bd KL |
46 | #include "syssignal.h" |
47 | #include "systty.h" | |
c9612b8e | 48 | #include "intervals.h" |
84704c5c EZ |
49 | #ifdef MSDOS |
50 | #include "msdos.h" | |
51 | static int been_here = -1; | |
52 | #endif | |
a168702a | 53 | |
eccec691 | 54 | #include "cm.h" |
dfcf069d AS |
55 | #ifdef HAVE_X_WINDOWS |
56 | #include "xterm.h" | |
57 | #endif | |
c8951b18 | 58 | |
78048085 EZ |
59 | /* The name of the default console device. */ |
60 | #ifdef WINDOWSNT | |
61 | #define DEV_TTY "CONOUT$" | |
a68089e4 | 62 | #include "w32term.h" |
78048085 EZ |
63 | #else |
64 | #define DEV_TTY "/dev/tty" | |
65 | #endif | |
a168702a | 66 | |
f57e2426 J |
67 | static void tty_set_scroll_region (struct frame *f, int start, int stop); |
68 | static void turn_on_face (struct frame *, int face_id); | |
69 | static void turn_off_face (struct frame *, int face_id); | |
64520e5c | 70 | static void tty_turn_off_highlight (struct tty_display_info *); |
f57e2426 J |
71 | static void tty_show_cursor (struct tty_display_info *); |
72 | static void tty_hide_cursor (struct tty_display_info *); | |
73 | static void tty_background_highlight (struct tty_display_info *tty); | |
653d4f43 | 74 | static struct terminal *get_tty_terminal (Lisp_Object, bool); |
f57e2426 J |
75 | static void clear_tty_hooks (struct terminal *terminal); |
76 | static void set_tty_hooks (struct terminal *terminal); | |
77 | static void dissociate_if_controlling_tty (int fd); | |
78 | static void delete_tty (struct terminal *); | |
653d4f43 PE |
79 | static _Noreturn void maybe_fatal (bool, struct terminal *, |
80 | const char *, const char *, ...) | |
845ca893 PE |
81 | ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); |
82 | static _Noreturn void vfatal (const char *str, va_list ap) | |
83 | ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
b3ffc17c | 84 | |
a168702a | 85 | |
6548cf00 KL |
86 | #define OUTPUT(tty, a) \ |
87 | emacs_tputs ((tty), a, \ | |
653d4f43 | 88 | FRAME_LINES (XFRAME (selected_frame)) - curY (tty), \ |
6548cf00 KL |
89 | cmputc) |
90 | ||
28d440ab KL |
91 | #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc) |
92 | #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc) | |
a168702a | 93 | |
28d440ab | 94 | #define OUTPUT_IF(tty, a) \ |
6548cf00 KL |
95 | do { \ |
96 | if (a) \ | |
b286858c | 97 | OUTPUT (tty, a); \ |
6548cf00 | 98 | } while (0) |
177c0ea7 | 99 | |
28d440ab | 100 | #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0) |
c291d9ef | 101 | |
f46c2aff | 102 | /* Display space properties */ |
08a24c47 | 103 | |
428a555e | 104 | /* Chain of all tty device parameters. */ |
28d7d09f | 105 | struct tty_display_info *tty_list; |
08a24c47 | 106 | |
4e6ba4a4 GM |
107 | /* Meaning of bits in no_color_video. Each bit set means that the |
108 | corresponding attribute cannot be combined with colors. */ | |
109 | ||
110 | enum no_color_bit | |
111 | { | |
112 | NC_STANDOUT = 1 << 0, | |
113 | NC_UNDERLINE = 1 << 1, | |
114 | NC_REVERSE = 1 << 2, | |
cd4eb164 | 115 | NC_ITALIC = 1 << 3, |
4e6ba4a4 GM |
116 | NC_DIM = 1 << 4, |
117 | NC_BOLD = 1 << 5, | |
118 | NC_INVIS = 1 << 6, | |
cd4eb164 | 119 | NC_PROTECT = 1 << 7 |
4e6ba4a4 GM |
120 | }; |
121 | ||
08a24c47 JB |
122 | /* internal state */ |
123 | ||
8dd0c7cb | 124 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 125 | |
64520e5c | 126 | static int max_frame_cols; |
a168702a | 127 | |
08a24c47 | 128 | \f |
cb28b9c2 | 129 | |
7e5a23bd | 130 | #ifdef HAVE_GPM |
e882229c | 131 | #include <sys/fcntl.h> |
e882229c | 132 | |
71f44e7a SM |
133 | /* The device for which we have enabled gpm support (or NULL). */ |
134 | struct tty_display_info *gpm_tty = NULL; | |
e882229c | 135 | |
cf482c50 | 136 | /* Last recorded mouse coordinates. */ |
e882229c | 137 | static int last_mouse_x, last_mouse_y; |
7e5a23bd | 138 | #endif /* HAVE_GPM */ |
e882229c | 139 | |
da8e1115 | 140 | /* Ring the bell on a tty. */ |
c291d9ef | 141 | |
ed8dad6b | 142 | static void |
385ed61f | 143 | tty_ring_bell (struct frame *f) |
3224dac1 | 144 | { |
3224dac1 | 145 | struct tty_display_info *tty = FRAME_TTY (f); |
c291d9ef | 146 | |
b6660415 KL |
147 | if (tty->output) |
148 | { | |
149 | OUTPUT (tty, (tty->TS_visible_bell && visible_bell | |
150 | ? tty->TS_visible_bell | |
151 | : tty->TS_bell)); | |
152 | fflush (tty->output); | |
08a24c47 | 153 | } |
08a24c47 JB |
154 | } |
155 | ||
da8e1115 KL |
156 | /* Set up termcap modes for Emacs. */ |
157 | ||
64520e5c | 158 | static void |
6ed8eeff | 159 | tty_set_terminal_modes (struct terminal *terminal) |
08a24c47 | 160 | { |
6ed8eeff | 161 | struct tty_display_info *tty = terminal->display_info.tty; |
f4d953fc | 162 | |
0b0d3e0b | 163 | if (tty->output) |
08a24c47 | 164 | { |
fbf34973 KL |
165 | if (tty->TS_termcap_modes) |
166 | OUTPUT (tty, tty->TS_termcap_modes); | |
3ae9c96a | 167 | else |
fbf34973 KL |
168 | { |
169 | /* Output enough newlines to scroll all the old screen contents | |
170 | off the screen, so it won't be overwritten and lost. */ | |
171 | int i; | |
a3c07f68 | 172 | current_tty = tty; |
fbf34973 | 173 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
a3c07f68 | 174 | cmputc ('\n'); |
fbf34973 KL |
175 | } |
176 | ||
b58cb614 | 177 | OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal); |
0b0d3e0b KL |
178 | OUTPUT_IF (tty, tty->TS_keypad_mode); |
179 | losecursor (tty); | |
2f98e6e3 | 180 | fflush (tty->output); |
08a24c47 | 181 | } |
08a24c47 JB |
182 | } |
183 | ||
da8e1115 KL |
184 | /* Reset termcap modes before exiting Emacs. */ |
185 | ||
64520e5c | 186 | static void |
6ed8eeff | 187 | tty_reset_terminal_modes (struct terminal *terminal) |
08a24c47 | 188 | { |
6ed8eeff | 189 | struct tty_display_info *tty = terminal->display_info.tty; |
0b0d3e0b KL |
190 | |
191 | if (tty->output) | |
08a24c47 | 192 | { |
ed8dad6b KL |
193 | tty_turn_off_highlight (tty); |
194 | tty_turn_off_insert (tty); | |
0b0d3e0b KL |
195 | OUTPUT_IF (tty, tty->TS_end_keypad_mode); |
196 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
197 | OUTPUT_IF (tty, tty->TS_end_termcap_modes); | |
198 | OUTPUT_IF (tty, tty->TS_orig_pair); | |
d284f58f | 199 | /* Output raw CR so kernel can track the cursor hpos. */ |
0b0d3e0b | 200 | current_tty = tty; |
d284f58f | 201 | cmputc ('\r'); |
2f98e6e3 | 202 | fflush (tty->output); |
08a24c47 | 203 | } |
08a24c47 JB |
204 | } |
205 | ||
6ed8eeff | 206 | /* Flag the end of a display update on a termcap terminal. */ |
08a24c47 | 207 | |
ed8dad6b | 208 | static void |
3224dac1 | 209 | tty_update_end (struct frame *f) |
08a24c47 | 210 | { |
3224dac1 | 211 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 212 | |
3224dac1 KL |
213 | if (!XWINDOW (selected_window)->cursor_off_p) |
214 | tty_show_cursor (tty); | |
ed8dad6b KL |
215 | tty_turn_off_insert (tty); |
216 | tty_background_highlight (tty); | |
08a24c47 JB |
217 | } |
218 | ||
da8e1115 KL |
219 | /* The implementation of set_terminal_window for termcap frames. */ |
220 | ||
ed8dad6b | 221 | static void |
385ed61f | 222 | tty_set_terminal_window (struct frame *f, int size) |
08a24c47 | 223 | { |
3224dac1 KL |
224 | struct tty_display_info *tty = FRAME_TTY (f); |
225 | ||
226 | tty->specified_window = size ? size : FRAME_LINES (f); | |
227 | if (FRAME_SCROLL_REGION_OK (f)) | |
ed8dad6b | 228 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 JB |
229 | } |
230 | ||
ed8dad6b KL |
231 | static void |
232 | tty_set_scroll_region (struct frame *f, int start, int stop) | |
08a24c47 JB |
233 | { |
234 | char *buf; | |
28d7d09f | 235 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 236 | |
fca177d4 | 237 | if (tty->TS_set_scroll_region) |
50938595 | 238 | buf = tparam (tty->TS_set_scroll_region, 0, 0, start, stop - 1, 0, 0); |
fca177d4 KL |
239 | else if (tty->TS_set_scroll_region_1) |
240 | buf = tparam (tty->TS_set_scroll_region_1, 0, 0, | |
ed02974b KL |
241 | FRAME_LINES (f), start, |
242 | FRAME_LINES (f) - stop, | |
243 | FRAME_LINES (f)); | |
08a24c47 | 244 | else |
fca177d4 | 245 | buf = tparam (tty->TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (f)); |
177c0ea7 | 246 | |
6548cf00 | 247 | OUTPUT (tty, buf); |
9ac0d9e0 | 248 | xfree (buf); |
6548cf00 | 249 | losecursor (tty); |
08a24c47 | 250 | } |
d284f58f | 251 | |
08a24c47 | 252 | \f |
d284f58f | 253 | static void |
ed8dad6b | 254 | tty_turn_on_insert (struct tty_display_info *tty) |
08a24c47 | 255 | { |
fca177d4 KL |
256 | if (!tty->insert_mode) |
257 | OUTPUT (tty, tty->TS_insert_mode); | |
258 | tty->insert_mode = 1; | |
08a24c47 JB |
259 | } |
260 | ||
dfcf069d | 261 | void |
ed8dad6b | 262 | tty_turn_off_insert (struct tty_display_info *tty) |
08a24c47 | 263 | { |
fca177d4 KL |
264 | if (tty->insert_mode) |
265 | OUTPUT (tty, tty->TS_end_insert_mode); | |
266 | tty->insert_mode = 0; | |
08a24c47 JB |
267 | } |
268 | \f | |
54800acb | 269 | /* Handle highlighting. */ |
08a24c47 | 270 | |
64520e5c | 271 | static void |
ed8dad6b | 272 | tty_turn_off_highlight (struct tty_display_info *tty) |
08a24c47 | 273 | { |
fca177d4 KL |
274 | if (tty->standout_mode) |
275 | OUTPUT_IF (tty, tty->TS_end_standout_mode); | |
276 | tty->standout_mode = 0; | |
08a24c47 JB |
277 | } |
278 | ||
d284f58f | 279 | static void |
ed8dad6b | 280 | tty_turn_on_highlight (struct tty_display_info *tty) |
08a24c47 | 281 | { |
fca177d4 KL |
282 | if (!tty->standout_mode) |
283 | OUTPUT_IF (tty, tty->TS_standout_mode); | |
284 | tty->standout_mode = 1; | |
08a24c47 JB |
285 | } |
286 | ||
86a7d192 | 287 | static void |
ed8dad6b | 288 | tty_toggle_highlight (struct tty_display_info *tty) |
86a7d192 | 289 | { |
fca177d4 | 290 | if (tty->standout_mode) |
ed8dad6b | 291 | tty_turn_off_highlight (tty); |
86a7d192 | 292 | else |
ed8dad6b | 293 | tty_turn_on_highlight (tty); |
86a7d192 GM |
294 | } |
295 | ||
a168702a GM |
296 | |
297 | /* Make cursor invisible. */ | |
298 | ||
299 | static void | |
28d7d09f | 300 | tty_hide_cursor (struct tty_display_info *tty) |
a168702a | 301 | { |
fca177d4 | 302 | if (tty->cursor_hidden == 0) |
d284f58f | 303 | { |
fca177d4 KL |
304 | tty->cursor_hidden = 1; |
305 | OUTPUT_IF (tty, tty->TS_cursor_invisible); | |
d284f58f | 306 | } |
a168702a GM |
307 | } |
308 | ||
309 | ||
310 | /* Ensure that cursor is visible. */ | |
311 | ||
312 | static void | |
28d7d09f | 313 | tty_show_cursor (struct tty_display_info *tty) |
a168702a | 314 | { |
fca177d4 | 315 | if (tty->cursor_hidden) |
d284f58f | 316 | { |
fca177d4 KL |
317 | tty->cursor_hidden = 0; |
318 | OUTPUT_IF (tty, tty->TS_cursor_normal); | |
0db017c0 | 319 | if (visible_cursor) |
b58cb614 | 320 | OUTPUT_IF (tty, tty->TS_cursor_visible); |
d284f58f | 321 | } |
a168702a GM |
322 | } |
323 | ||
324 | ||
08a24c47 JB |
325 | /* Set standout mode to the state it should be in for |
326 | empty space inside windows. What this is, | |
327 | depends on the user option inverse-video. */ | |
328 | ||
ed8dad6b KL |
329 | static void |
330 | tty_background_highlight (struct tty_display_info *tty) | |
08a24c47 | 331 | { |
08a24c47 | 332 | if (inverse_video) |
ed8dad6b | 333 | tty_turn_on_highlight (tty); |
08a24c47 | 334 | else |
ed8dad6b | 335 | tty_turn_off_highlight (tty); |
08a24c47 JB |
336 | } |
337 | ||
338 | /* Set standout mode to the mode specified for the text to be output. */ | |
339 | ||
dfcf069d | 340 | static void |
ed8dad6b | 341 | tty_highlight_if_desired (struct tty_display_info *tty) |
08a24c47 | 342 | { |
8ede64a5 | 343 | if (inverse_video) |
ed8dad6b | 344 | tty_turn_on_highlight (tty); |
8ede64a5 | 345 | else |
ed8dad6b | 346 | tty_turn_off_highlight (tty); |
08a24c47 JB |
347 | } |
348 | \f | |
349 | ||
a168702a GM |
350 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
351 | frame-relative coordinates. */ | |
08a24c47 | 352 | |
ed8dad6b | 353 | static void |
385ed61f | 354 | tty_cursor_to (struct frame *f, int vpos, int hpos) |
08a24c47 | 355 | { |
3224dac1 | 356 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 357 | |
36cae867 KH |
358 | /* Detect the case where we are called from reset_sys_modes |
359 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 360 | if (! tty->costs_set) |
36cae867 KH |
361 | return; |
362 | ||
6548cf00 KL |
363 | if (curY (tty) == vpos |
364 | && curX (tty) == hpos) | |
08a24c47 | 365 | return; |
fca177d4 | 366 | if (!tty->TF_standout_motion) |
ed8dad6b | 367 | tty_background_highlight (tty); |
fca177d4 | 368 | if (!tty->TF_insmode_motion) |
ed8dad6b | 369 | tty_turn_off_insert (tty); |
6548cf00 | 370 | cmgoto (tty, vpos, hpos); |
08a24c47 JB |
371 | } |
372 | ||
373 | /* Similar but don't take any account of the wasted characters. */ | |
374 | ||
ed8dad6b | 375 | static void |
385ed61f | 376 | tty_raw_cursor_to (struct frame *f, int row, int col) |
08a24c47 | 377 | { |
3224dac1 KL |
378 | struct tty_display_info *tty = FRAME_TTY (f); |
379 | ||
6548cf00 KL |
380 | if (curY (tty) == row |
381 | && curX (tty) == col) | |
08a24c47 | 382 | return; |
fca177d4 | 383 | if (!tty->TF_standout_motion) |
ed8dad6b | 384 | tty_background_highlight (tty); |
fca177d4 | 385 | if (!tty->TF_insmode_motion) |
ed8dad6b | 386 | tty_turn_off_insert (tty); |
6548cf00 | 387 | cmgoto (tty, row, col); |
08a24c47 JB |
388 | } |
389 | \f | |
390 | /* Erase operations */ | |
391 | ||
da8e1115 KL |
392 | /* Clear from cursor to end of frame on a termcap device. */ |
393 | ||
ed8dad6b | 394 | static void |
385ed61f | 395 | tty_clear_to_end (struct frame *f) |
08a24c47 JB |
396 | { |
397 | register int i; | |
3224dac1 | 398 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 399 | |
fca177d4 | 400 | if (tty->TS_clr_to_bottom) |
08a24c47 | 401 | { |
ed8dad6b | 402 | tty_background_highlight (tty); |
fca177d4 | 403 | OUTPUT (tty, tty->TS_clr_to_bottom); |
08a24c47 JB |
404 | } |
405 | else | |
406 | { | |
6548cf00 | 407 | for (i = curY (tty); i < FRAME_LINES (f); i++) |
08a24c47 | 408 | { |
385ed61f KL |
409 | cursor_to (f, i, 0); |
410 | clear_end_of_line (f, FRAME_COLS (f)); | |
08a24c47 JB |
411 | } |
412 | } | |
413 | } | |
414 | ||
da8e1115 | 415 | /* Clear an entire termcap frame. */ |
08a24c47 | 416 | |
ed8dad6b | 417 | static void |
385ed61f | 418 | tty_clear_frame (struct frame *f) |
08a24c47 | 419 | { |
3224dac1 | 420 | struct tty_display_info *tty = FRAME_TTY (f); |
177c0ea7 | 421 | |
fca177d4 | 422 | if (tty->TS_clr_frame) |
08a24c47 | 423 | { |
ed8dad6b | 424 | tty_background_highlight (tty); |
fca177d4 | 425 | OUTPUT (tty, tty->TS_clr_frame); |
6548cf00 | 426 | cmat (tty, 0, 0); |
08a24c47 JB |
427 | } |
428 | else | |
429 | { | |
385ed61f KL |
430 | cursor_to (f, 0, 0); |
431 | clear_to_end (f); | |
08a24c47 JB |
432 | } |
433 | } | |
434 | ||
da8e1115 | 435 | /* An implementation of clear_end_of_line for termcap frames. |
08a24c47 JB |
436 | |
437 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
438 | ||
ed8dad6b | 439 | static void |
385ed61f | 440 | tty_clear_end_of_line (struct frame *f, int first_unused_hpos) |
08a24c47 JB |
441 | { |
442 | register int i; | |
3224dac1 | 443 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 444 | |
36cae867 KH |
445 | /* Detect the case where we are called from reset_sys_modes |
446 | and the costs have never been calculated. Do nothing. */ | |
fca177d4 | 447 | if (! tty->costs_set) |
36cae867 KH |
448 | return; |
449 | ||
6548cf00 | 450 | if (curX (tty) >= first_unused_hpos) |
08a24c47 | 451 | return; |
ed8dad6b | 452 | tty_background_highlight (tty); |
fca177d4 | 453 | if (tty->TS_clr_line) |
08a24c47 | 454 | { |
fca177d4 | 455 | OUTPUT1 (tty, tty->TS_clr_line); |
08a24c47 JB |
456 | } |
457 | else | |
458 | { /* have to do it the hard way */ | |
ed8dad6b | 459 | tty_turn_off_insert (tty); |
08a24c47 | 460 | |
a168702a | 461 | /* Do not write in last row last col with Auto-wrap on. */ |
6548cf00 | 462 | if (AutoWrap (tty) |
0a125897 KL |
463 | && curY (tty) == FrameRows (tty) - 1 |
464 | && first_unused_hpos == FrameCols (tty)) | |
08a24c47 JB |
465 | first_unused_hpos--; |
466 | ||
6548cf00 | 467 | for (i = curX (tty); i < first_unused_hpos; i++) |
08a24c47 | 468 | { |
0b0d3e0b KL |
469 | if (tty->termscript) |
470 | fputc (' ', tty->termscript); | |
471 | fputc (' ', tty->output); | |
08a24c47 | 472 | } |
6548cf00 | 473 | cmplus (tty, first_unused_hpos - curX (tty)); |
08a24c47 JB |
474 | } |
475 | } | |
476 | \f | |
288d5132 KH |
477 | /* Buffers to store the source and result of code conversion for terminal. */ |
478 | static unsigned char *encode_terminal_src; | |
479 | static unsigned char *encode_terminal_dst; | |
480 | /* Allocated sizes of the above buffers. */ | |
fee31f82 PE |
481 | static ptrdiff_t encode_terminal_src_size; |
482 | static ptrdiff_t encode_terminal_dst_size; | |
288d5132 KH |
483 | |
484 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
485 | Set CODING->produced to the byte-length of the resulting byte | |
486 | sequence, and return a pointer to that byte sequence. */ | |
487 | ||
7ef4b50c | 488 | unsigned char * |
d3da34e0 | 489 | encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding) |
a4decb7f | 490 | { |
feef4f84 | 491 | struct glyph *src_end = src + src_len; |
288d5132 | 492 | unsigned char *buf; |
fee31f82 PE |
493 | ptrdiff_t nchars, nbytes, required; |
494 | ptrdiff_t tlen = GLYPH_TABLE_LENGTH; | |
a4decb7f | 495 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
288d5132 | 496 | Lisp_Object charset_list; |
c5a518df | 497 | |
288d5132 KH |
498 | /* Allocate sufficient size of buffer to store all characters in |
499 | multibyte-form. But, it may be enlarged on demand if | |
4c12d738 KH |
500 | Vglyph_table contains a string or a composite glyph is |
501 | encountered. */ | |
fee31f82 PE |
502 | if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len) |
503 | memory_full (SIZE_MAX); | |
504 | required = src_len; | |
505 | required *= MAX_MULTIBYTE_LENGTH; | |
288d5132 KH |
506 | if (encode_terminal_src_size < required) |
507 | { | |
fee31f82 | 508 | encode_terminal_src = xrealloc (encode_terminal_src, required); |
288d5132 KH |
509 | encode_terminal_src_size = required; |
510 | } | |
6589fd67 | 511 | |
288d5132 | 512 | charset_list = coding_charset_list (coding); |
a4decb7f | 513 | |
288d5132 KH |
514 | buf = encode_terminal_src; |
515 | nchars = 0; | |
516 | while (src < src_end) | |
a4decb7f | 517 | { |
4c12d738 KH |
518 | if (src->type == COMPOSITE_GLYPH) |
519 | { | |
c2ed9c8b PE |
520 | struct composition *cmp IF_LINT (= NULL); |
521 | Lisp_Object gstring IF_LINT (= Qnil); | |
4c12d738 KH |
522 | int i; |
523 | ||
524 | nbytes = buf - encode_terminal_src; | |
75a10786 KH |
525 | if (src->u.cmp.automatic) |
526 | { | |
527 | gstring = composition_gstring_from_id (src->u.cmp.id); | |
fee31f82 | 528 | required = src->slice.cmp.to - src->slice.cmp.from + 1; |
75a10786 KH |
529 | } |
530 | else | |
531 | { | |
532 | cmp = composition_table[src->u.cmp.id]; | |
fee31f82 PE |
533 | required = cmp->glyph_len; |
534 | required *= MAX_MULTIBYTE_LENGTH; | |
75a10786 | 535 | } |
4c12d738 | 536 | |
fee31f82 | 537 | if (encode_terminal_src_size - nbytes < required) |
4c12d738 | 538 | { |
0065d054 PE |
539 | encode_terminal_src = |
540 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
541 | required - (encode_terminal_src_size - nbytes), | |
542 | -1, 1); | |
4c12d738 KH |
543 | buf = encode_terminal_src + nbytes; |
544 | } | |
545 | ||
75a10786 | 546 | if (src->u.cmp.automatic) |
4be9765d | 547 | for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++) |
75a10786 KH |
548 | { |
549 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
550 | int c = LGLYPH_CHAR (g); | |
551 | ||
552 | if (! char_charset (c, charset_list, NULL)) | |
d0984aff | 553 | c = '?'; |
75a10786 KH |
554 | buf += CHAR_STRING (c, buf); |
555 | nchars++; | |
556 | } | |
557 | else | |
558 | for (i = 0; i < cmp->glyph_len; i++) | |
559 | { | |
560 | int c = COMPOSITION_GLYPH (cmp, i); | |
561 | ||
bd01620e EZ |
562 | /* TAB in a composition means display glyphs with |
563 | padding space on the left or right. */ | |
d0984aff KH |
564 | if (c == '\t') |
565 | continue; | |
566 | if (char_charset (c, charset_list, NULL)) | |
567 | { | |
568 | if (CHAR_WIDTH (c) == 0 | |
569 | && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t') | |
570 | /* Should be left-padded */ | |
571 | { | |
572 | buf += CHAR_STRING (' ', buf); | |
573 | nchars++; | |
574 | } | |
575 | } | |
576 | else | |
577 | c = '?'; | |
75a10786 KH |
578 | buf += CHAR_STRING (c, buf); |
579 | nchars++; | |
580 | } | |
4c12d738 | 581 | } |
a4decb7f | 582 | /* We must skip glyphs to be padded for a wide character. */ |
4c12d738 | 583 | else if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 584 | { |
f4d953fc | 585 | GLYPH g; |
c2ed9c8b | 586 | int c IF_LINT (= 0); |
288d5132 KH |
587 | Lisp_Object string; |
588 | ||
4ae0a2c0 | 589 | string = Qnil; |
f4d953fc | 590 | SET_GLYPH_FROM_CHAR_GLYPH (g, src[0]); |
32de38e4 | 591 | |
f4d953fc | 592 | if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g)) |
288d5132 | 593 | { |
f185a758 | 594 | /* This glyph doesn't have an entry in Vglyph_table. */ |
288d5132 KH |
595 | c = src->u.ch; |
596 | } | |
32de38e4 | 597 | else |
a4decb7f | 598 | { |
32de38e4 | 599 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
600 | so process any alias before testing for simpleness. */ |
601 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
602 | |
603 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
604 | /* We set the multi-byte form of a character in G |
605 | (that should be an ASCII character) at WORKBUF. */ | |
f4d953fc | 606 | c = GLYPH_CHAR (g); |
32de38e4 | 607 | else |
4ae0a2c0 | 608 | /* We have a string in Vglyph_table. */ |
f4d953fc | 609 | string = tbase[GLYPH_CHAR (g)]; |
171d7f24 | 610 | } |
177c0ea7 | 611 | |
4ae0a2c0 | 612 | if (NILP (string)) |
c42869c4 | 613 | { |
4c12d738 | 614 | nbytes = buf - encode_terminal_src; |
fee31f82 | 615 | if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH) |
4c12d738 | 616 | { |
0065d054 PE |
617 | encode_terminal_src = |
618 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
619 | MAX_MULTIBYTE_LENGTH, -1, 1); | |
4c12d738 KH |
620 | buf = encode_terminal_src + nbytes; |
621 | } | |
d419e1d9 KH |
622 | if (CHAR_BYTE8_P (c) |
623 | || char_charset (c, charset_list, NULL)) | |
c5a518df | 624 | { |
288d5132 KH |
625 | /* Store the multibyte form of C at BUF. */ |
626 | buf += CHAR_STRING (c, buf); | |
627 | nchars++; | |
c5a518df KH |
628 | } |
629 | else | |
630 | { | |
288d5132 KH |
631 | /* C is not encodable. */ |
632 | *buf++ = '?'; | |
c5a518df | 633 | nchars++; |
288d5132 KH |
634 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
635 | { | |
636 | *buf++ = '?'; | |
637 | nchars++; | |
638 | src++; | |
639 | } | |
c5a518df | 640 | } |
4ae0a2c0 KH |
641 | } |
642 | else | |
643 | { | |
288d5132 KH |
644 | if (! STRING_MULTIBYTE (string)) |
645 | string = string_to_multibyte (string); | |
646 | nbytes = buf - encode_terminal_src; | |
fee31f82 | 647 | if (encode_terminal_src_size - nbytes < SBYTES (string)) |
4ae0a2c0 | 648 | { |
0065d054 PE |
649 | encode_terminal_src = |
650 | xpalloc (encode_terminal_src, &encode_terminal_src_size, | |
651 | (SBYTES (string) | |
652 | - (encode_terminal_src_size - nbytes)), | |
653 | -1, 1); | |
288d5132 | 654 | buf = encode_terminal_src + nbytes; |
4ae0a2c0 | 655 | } |
72af86bd | 656 | memcpy (buf, SDATA (string), SBYTES (string)); |
288d5132 KH |
657 | buf += SBYTES (string); |
658 | nchars += SCHARS (string); | |
c42869c4 | 659 | } |
a4decb7f | 660 | } |
288d5132 KH |
661 | src++; |
662 | } | |
663 | ||
664 | if (nchars == 0) | |
665 | { | |
666 | coding->produced = 0; | |
667 | return NULL; | |
a4decb7f | 668 | } |
177c0ea7 | 669 | |
288d5132 KH |
670 | nbytes = buf - encode_terminal_src; |
671 | coding->source = encode_terminal_src; | |
672 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 673 | { |
fee31f82 PE |
674 | encode_terminal_dst = xrealloc (encode_terminal_dst, |
675 | encode_terminal_src_size); | |
288d5132 | 676 | encode_terminal_dst_size = encode_terminal_src_size; |
4ae0a2c0 | 677 | } |
288d5132 KH |
678 | coding->destination = encode_terminal_dst; |
679 | coding->dst_bytes = encode_terminal_dst_size; | |
680 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 681 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
682 | encode_terminal_dst = coding->destination; |
683 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 684 | |
288d5132 | 685 | return (encode_terminal_dst); |
a4decb7f KH |
686 | } |
687 | ||
08a24c47 | 688 | |
c73bd236 | 689 | |
da8e1115 KL |
690 | /* An implementation of write_glyphs for termcap frames. */ |
691 | ||
ed8dad6b | 692 | static void |
385ed61f | 693 | tty_write_glyphs (struct frame *f, struct glyph *string, int len) |
08a24c47 | 694 | { |
288d5132 KH |
695 | unsigned char *conversion_buffer; |
696 | struct coding_system *coding; | |
653d4f43 | 697 | int n, stringlen; |
08a24c47 | 698 | |
3224dac1 | 699 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 700 | |
ed8dad6b | 701 | tty_turn_off_insert (tty); |
fca177d4 | 702 | tty_hide_cursor (tty); |
08a24c47 | 703 | |
a168702a | 704 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 705 | since that would scroll the whole frame on some terminals. */ |
08a24c47 | 706 | |
6548cf00 KL |
707 | if (AutoWrap (tty) |
708 | && curY (tty) + 1 == FRAME_LINES (f) | |
709 | && (curX (tty) + len) == FRAME_COLS (f)) | |
08a24c47 | 710 | len --; |
a4decb7f KH |
711 | if (len <= 0) |
712 | return; | |
08a24c47 | 713 | |
6548cf00 | 714 | cmplus (tty, len); |
177c0ea7 | 715 | |
af645abf KH |
716 | /* If terminal_coding does any conversion, use it, otherwise use |
717 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
718 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
719 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
720 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
6589fd67 KH |
721 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
722 | the tail. */ | |
af645abf | 723 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 724 | |
5c5cdd39 | 725 | for (stringlen = len; stringlen != 0; stringlen -= n) |
08a24c47 | 726 | { |
a168702a | 727 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 728 | int face_id = string->face_id; |
177c0ea7 | 729 | |
5c5cdd39 | 730 | for (n = 1; n < stringlen; ++n) |
32de38e4 | 731 | if (string[n].face_id != face_id) |
a168702a GM |
732 | break; |
733 | ||
734 | /* Turn appearance modes of the face of the run on. */ | |
ed8dad6b | 735 | tty_highlight_if_desired (tty); |
a168702a GM |
736 | turn_on_face (f, face_id); |
737 | ||
5c5cdd39 | 738 | if (n == stringlen) |
288d5132 KH |
739 | /* This is the last run. */ |
740 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
741 | conversion_buffer = encode_terminal_code (string, n, coding); | |
742 | if (coding->produced > 0) | |
08a24c47 | 743 | { |
4d7e6e51 | 744 | block_input (); |
fad2f685 KL |
745 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
746 | if (ferror (tty->output)) | |
747 | clearerr (tty->output); | |
748 | if (tty->termscript) | |
749 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 750 | unblock_input (); |
08a24c47 | 751 | } |
288d5132 | 752 | string += n; |
a168702a GM |
753 | |
754 | /* Turn appearance modes off. */ | |
755 | turn_off_face (f, face_id); | |
ed8dad6b | 756 | tty_turn_off_highlight (tty); |
a4decb7f | 757 | } |
177c0ea7 | 758 | |
6548cf00 | 759 | cmcheckmagic (tty); |
08a24c47 JB |
760 | } |
761 | ||
b870aa61 SM |
762 | #ifdef HAVE_GPM /* Only used by GPM code. */ |
763 | ||
7be1c21a | 764 | static void |
d3da34e0 JB |
765 | tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string, |
766 | register int len, register int face_id) | |
e882229c | 767 | { |
e882229c NR |
768 | unsigned char *conversion_buffer; |
769 | struct coding_system *coding; | |
770 | ||
7be1c21a MB |
771 | struct tty_display_info *tty = FRAME_TTY (f); |
772 | ||
773 | tty_turn_off_insert (tty); | |
774 | tty_hide_cursor (tty); | |
e882229c NR |
775 | |
776 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
777 | since that would scroll the whole frame on some terminals. */ | |
778 | ||
7be1c21a MB |
779 | if (AutoWrap (tty) |
780 | && curY (tty) + 1 == FRAME_LINES (f) | |
781 | && (curX (tty) + len) == FRAME_COLS (f)) | |
e882229c NR |
782 | len --; |
783 | if (len <= 0) | |
784 | return; | |
785 | ||
7be1c21a | 786 | cmplus (tty, len); |
e882229c NR |
787 | |
788 | /* If terminal_coding does any conversion, use it, otherwise use | |
789 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
790 | because it always return 1 if the member src_multibyte is 1. */ | |
7be1c21a MB |
791 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
792 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
e882229c NR |
793 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
794 | the tail. */ | |
795 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
796 | ||
e882229c | 797 | /* Turn appearance modes of the face. */ |
7be1c21a | 798 | tty_highlight_if_desired (tty); |
e882229c NR |
799 | turn_on_face (f, face_id); |
800 | ||
801 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
802 | conversion_buffer = encode_terminal_code (string, len, coding); | |
803 | if (coding->produced > 0) | |
804 | { | |
4d7e6e51 | 805 | block_input (); |
7be1c21a MB |
806 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
807 | if (ferror (tty->output)) | |
808 | clearerr (tty->output); | |
809 | if (tty->termscript) | |
810 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); | |
4d7e6e51 | 811 | unblock_input (); |
e882229c NR |
812 | } |
813 | ||
814 | /* Turn appearance modes off. */ | |
815 | turn_off_face (f, face_id); | |
7be1c21a | 816 | tty_turn_off_highlight (tty); |
e882229c | 817 | |
7be1c21a | 818 | cmcheckmagic (tty); |
e882229c | 819 | } |
b870aa61 | 820 | #endif |
e882229c | 821 | |
da8e1115 | 822 | /* An implementation of insert_glyphs for termcap frames. */ |
177c0ea7 | 823 | |
ed8dad6b | 824 | static void |
385ed61f | 825 | tty_insert_glyphs (struct frame *f, struct glyph *start, int len) |
08a24c47 JB |
826 | { |
827 | char *buf; | |
6bbd7a29 | 828 | struct glyph *glyph = NULL; |
af645abf KH |
829 | unsigned char *conversion_buffer; |
830 | unsigned char space[1]; | |
831 | struct coding_system *coding; | |
08a24c47 | 832 | |
3224dac1 | 833 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 834 | |
fca177d4 | 835 | if (tty->TS_ins_multi_chars) |
08a24c47 | 836 | { |
50938595 | 837 | buf = tparam (tty->TS_ins_multi_chars, 0, 0, len, 0, 0, 0); |
6548cf00 | 838 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 839 | xfree (buf); |
08a24c47 | 840 | if (start) |
385ed61f | 841 | write_glyphs (f, start, len); |
08a24c47 JB |
842 | return; |
843 | } | |
844 | ||
ed8dad6b | 845 | tty_turn_on_insert (tty); |
6548cf00 | 846 | cmplus (tty, len); |
288d5132 KH |
847 | |
848 | if (! start) | |
849 | space[0] = SPACEGLYPH; | |
850 | ||
851 | /* If terminal_coding does any conversion, use it, otherwise use | |
852 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
853 | because it always return 1 if the member src_multibyte is 1. */ | |
fad2f685 KL |
854 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
855 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
288d5132 KH |
856 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
857 | the tail. */ | |
858 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
859 | ||
07109bf9 | 860 | while (len-- > 0) |
08a24c47 | 861 | { |
fca177d4 | 862 | OUTPUT1_IF (tty, tty->TS_ins_char); |
08a24c47 | 863 | if (!start) |
32de38e4 | 864 | { |
288d5132 KH |
865 | conversion_buffer = space; |
866 | coding->produced = 1; | |
32de38e4 | 867 | } |
08a24c47 | 868 | else |
08a24c47 | 869 | { |
ed8dad6b | 870 | tty_highlight_if_desired (tty); |
32de38e4 | 871 | turn_on_face (f, start->face_id); |
816be8b8 | 872 | glyph = start; |
a168702a | 873 | ++start; |
a4decb7f KH |
874 | /* We must open sufficient space for a character which |
875 | occupies more than one column. */ | |
a168702a | 876 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f | 877 | { |
fca177d4 | 878 | OUTPUT1_IF (tty, tty->TS_ins_char); |
a4decb7f KH |
879 | start++, len--; |
880 | } | |
288d5132 KH |
881 | |
882 | if (len <= 0) | |
883 | /* This is the last glyph. */ | |
884 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
885 | ||
fad2f685 | 886 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 887 | } |
a4decb7f | 888 | |
288d5132 | 889 | if (coding->produced > 0) |
08a24c47 | 890 | { |
4d7e6e51 | 891 | block_input (); |
fad2f685 | 892 | fwrite (conversion_buffer, 1, coding->produced, tty->output); |
0b0d3e0b KL |
893 | if (ferror (tty->output)) |
894 | clearerr (tty->output); | |
895 | if (tty->termscript) | |
fad2f685 | 896 | fwrite (conversion_buffer, 1, coding->produced, tty->termscript); |
4d7e6e51 | 897 | unblock_input (); |
08a24c47 JB |
898 | } |
899 | ||
fca177d4 | 900 | OUTPUT1_IF (tty, tty->TS_pad_inserted_char); |
32de38e4 | 901 | if (start) |
65aa5e85 GM |
902 | { |
903 | turn_off_face (f, glyph->face_id); | |
ed8dad6b | 904 | tty_turn_off_highlight (tty); |
65aa5e85 | 905 | } |
9a6b6f92 | 906 | } |
177c0ea7 | 907 | |
6548cf00 | 908 | cmcheckmagic (tty); |
08a24c47 JB |
909 | } |
910 | ||
da8e1115 KL |
911 | /* An implementation of delete_glyphs for termcap frames. */ |
912 | ||
ed8dad6b | 913 | static void |
385ed61f | 914 | tty_delete_glyphs (struct frame *f, int n) |
08a24c47 JB |
915 | { |
916 | char *buf; | |
917 | register int i; | |
918 | ||
3224dac1 | 919 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 | 920 | |
fca177d4 | 921 | if (tty->delete_in_insert_mode) |
08a24c47 | 922 | { |
ed8dad6b | 923 | tty_turn_on_insert (tty); |
08a24c47 JB |
924 | } |
925 | else | |
926 | { | |
ed8dad6b | 927 | tty_turn_off_insert (tty); |
fca177d4 | 928 | OUTPUT_IF (tty, tty->TS_delete_mode); |
08a24c47 JB |
929 | } |
930 | ||
fca177d4 | 931 | if (tty->TS_del_multi_chars) |
08a24c47 | 932 | { |
50938595 | 933 | buf = tparam (tty->TS_del_multi_chars, 0, 0, n, 0, 0, 0); |
6548cf00 | 934 | OUTPUT1 (tty, buf); |
9ac0d9e0 | 935 | xfree (buf); |
08a24c47 JB |
936 | } |
937 | else | |
938 | for (i = 0; i < n; i++) | |
fca177d4 KL |
939 | OUTPUT1 (tty, tty->TS_del_char); |
940 | if (!tty->delete_in_insert_mode) | |
941 | OUTPUT_IF (tty, tty->TS_end_delete_mode); | |
08a24c47 JB |
942 | } |
943 | \f | |
da8e1115 | 944 | /* An implementation of ins_del_lines for termcap frames. */ |
08a24c47 | 945 | |
ed8dad6b | 946 | static void |
385ed61f | 947 | tty_ins_del_lines (struct frame *f, int vpos, int n) |
08a24c47 | 948 | { |
3224dac1 | 949 | struct tty_display_info *tty = FRAME_TTY (f); |
fbceeba2 PE |
950 | const char *multi = |
951 | n > 0 ? tty->TS_ins_multi_lines : tty->TS_del_multi_lines; | |
952 | const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line; | |
953 | const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll; | |
08a24c47 | 954 | |
71376d4b PE |
955 | int i = eabs (n); |
956 | char *buf; | |
08a24c47 | 957 | |
08a24c47 JB |
958 | /* If the lines below the insertion are being pushed |
959 | into the end of the window, this is the same as clearing; | |
960 | and we know the lines are already clear, since the matching | |
961 | deletion has already been done. So can ignore this. */ | |
962 | /* If the lines below the deletion are blank lines coming | |
963 | out of the end of the window, don't bother, | |
964 | as there will be a matching inslines later that will flush them. */ | |
3224dac1 KL |
965 | if (FRAME_SCROLL_REGION_OK (f) |
966 | && vpos + i >= tty->specified_window) | |
08a24c47 | 967 | return; |
3224dac1 KL |
968 | if (!FRAME_MEMORY_BELOW_FRAME (f) |
969 | && vpos + i >= FRAME_LINES (f)) | |
08a24c47 | 970 | return; |
f4d953fc | 971 | |
08a24c47 JB |
972 | if (multi) |
973 | { | |
6839f1e2 | 974 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 975 | tty_background_highlight (tty); |
50938595 | 976 | buf = tparam (multi, 0, 0, i, 0, 0, 0); |
3224dac1 | 977 | OUTPUT (tty, buf); |
9ac0d9e0 | 978 | xfree (buf); |
08a24c47 JB |
979 | } |
980 | else if (single) | |
981 | { | |
6839f1e2 | 982 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 983 | tty_background_highlight (tty); |
08a24c47 | 984 | while (--i >= 0) |
3224dac1 KL |
985 | OUTPUT (tty, single); |
986 | if (tty->TF_teleray) | |
987 | curX (tty) = 0; | |
08a24c47 JB |
988 | } |
989 | else | |
990 | { | |
ed8dad6b | 991 | tty_set_scroll_region (f, vpos, tty->specified_window); |
08a24c47 | 992 | if (n < 0) |
6839f1e2 | 993 | raw_cursor_to (f, tty->specified_window - 1, 0); |
08a24c47 | 994 | else |
6839f1e2 | 995 | raw_cursor_to (f, vpos, 0); |
ed8dad6b | 996 | tty_background_highlight (tty); |
08a24c47 | 997 | while (--i >= 0) |
3224dac1 | 998 | OUTPUTL (tty, scroll, tty->specified_window - vpos); |
ed8dad6b | 999 | tty_set_scroll_region (f, 0, tty->specified_window); |
08a24c47 | 1000 | } |
f4d953fc | 1001 | |
3224dac1 KL |
1002 | if (!FRAME_SCROLL_REGION_OK (f) |
1003 | && FRAME_MEMORY_BELOW_FRAME (f) | |
1004 | && n < 0) | |
08a24c47 | 1005 | { |
385ed61f KL |
1006 | cursor_to (f, FRAME_LINES (f) + n, 0); |
1007 | clear_to_end (f); | |
08a24c47 JB |
1008 | } |
1009 | } | |
1010 | \f | |
1011 | /* Compute cost of sending "str", in characters, | |
1012 | not counting any line-dependent padding. */ | |
1013 | ||
1014 | int | |
8ea90aa3 | 1015 | string_cost (const char *str) |
08a24c47 JB |
1016 | { |
1017 | cost = 0; | |
1018 | if (str) | |
1019 | tputs (str, 0, evalcost); | |
1020 | return cost; | |
1021 | } | |
1022 | ||
1023 | /* Compute cost of sending "str", in characters, | |
1024 | counting any line-dependent padding at one line. */ | |
1025 | ||
1026 | static int | |
8ea90aa3 | 1027 | string_cost_one_line (const char *str) |
08a24c47 JB |
1028 | { |
1029 | cost = 0; | |
1030 | if (str) | |
1031 | tputs (str, 1, evalcost); | |
1032 | return cost; | |
1033 | } | |
1034 | ||
1035 | /* Compute per line amount of line-dependent padding, | |
1036 | in tenths of characters. */ | |
1037 | ||
1038 | int | |
8ea90aa3 | 1039 | per_line_cost (const char *str) |
08a24c47 JB |
1040 | { |
1041 | cost = 0; | |
1042 | if (str) | |
1043 | tputs (str, 0, evalcost); | |
1044 | cost = - cost; | |
1045 | if (str) | |
1046 | tputs (str, 10, evalcost); | |
1047 | return cost; | |
1048 | } | |
1049 | ||
08a24c47 | 1050 | /* char_ins_del_cost[n] is cost of inserting N characters. |
8dd0c7cb | 1051 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1052 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1053 | |
1054 | int *char_ins_del_vector; | |
1055 | ||
9882535b | 1056 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1057 | |
1058 | /* ARGSUSED */ | |
1059 | static void | |
6839f1e2 | 1060 | calculate_ins_del_char_costs (struct frame *f) |
08a24c47 | 1061 | { |
28d7d09f | 1062 | struct tty_display_info *tty = FRAME_TTY (f); |
08a24c47 JB |
1063 | int ins_startup_cost, del_startup_cost; |
1064 | int ins_cost_per_char, del_cost_per_char; | |
1065 | register int i; | |
1066 | register int *p; | |
1067 | ||
fca177d4 | 1068 | if (tty->TS_ins_multi_chars) |
08a24c47 JB |
1069 | { |
1070 | ins_cost_per_char = 0; | |
fca177d4 | 1071 | ins_startup_cost = string_cost_one_line (tty->TS_ins_multi_chars); |
08a24c47 | 1072 | } |
fca177d4 KL |
1073 | else if (tty->TS_ins_char || tty->TS_pad_inserted_char |
1074 | || (tty->TS_insert_mode && tty->TS_end_insert_mode)) | |
08a24c47 | 1075 | { |
fca177d4 KL |
1076 | ins_startup_cost = (30 * (string_cost (tty->TS_insert_mode) |
1077 | + string_cost (tty->TS_end_insert_mode))) / 100; | |
1078 | ins_cost_per_char = (string_cost_one_line (tty->TS_ins_char) | |
1079 | + string_cost_one_line (tty->TS_pad_inserted_char)); | |
08a24c47 JB |
1080 | } |
1081 | else | |
1082 | { | |
1083 | ins_startup_cost = 9999; | |
1084 | ins_cost_per_char = 0; | |
1085 | } | |
1086 | ||
fca177d4 | 1087 | if (tty->TS_del_multi_chars) |
08a24c47 JB |
1088 | { |
1089 | del_cost_per_char = 0; | |
fca177d4 | 1090 | del_startup_cost = string_cost_one_line (tty->TS_del_multi_chars); |
08a24c47 | 1091 | } |
fca177d4 | 1092 | else if (tty->TS_del_char) |
08a24c47 | 1093 | { |
fca177d4 KL |
1094 | del_startup_cost = (string_cost (tty->TS_delete_mode) |
1095 | + string_cost (tty->TS_end_delete_mode)); | |
1096 | if (tty->delete_in_insert_mode) | |
08a24c47 | 1097 | del_startup_cost /= 2; |
fca177d4 | 1098 | del_cost_per_char = string_cost_one_line (tty->TS_del_char); |
08a24c47 JB |
1099 | } |
1100 | else | |
1101 | { | |
1102 | del_startup_cost = 9999; | |
1103 | del_cost_per_char = 0; | |
1104 | } | |
1105 | ||
1106 | /* Delete costs are at negative offsets */ | |
fca177d4 KL |
1107 | p = &char_ins_del_cost (f)[0]; |
1108 | for (i = FRAME_COLS (f); --i >= 0;) | |
08a24c47 JB |
1109 | *--p = (del_startup_cost += del_cost_per_char); |
1110 | ||
1111 | /* Doing nothing is free */ | |
fca177d4 | 1112 | p = &char_ins_del_cost (f)[0]; |
08a24c47 JB |
1113 | *p++ = 0; |
1114 | ||
1115 | /* Insert costs are at positive offsets */ | |
fca177d4 | 1116 | for (i = FRAME_COLS (f); --i >= 0;) |
08a24c47 JB |
1117 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1118 | } | |
1119 | ||
dfcf069d | 1120 | void |
6839f1e2 | 1121 | calculate_costs (struct frame *frame) |
08a24c47 | 1122 | { |
9f732a77 | 1123 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1124 | |
28d440ab | 1125 | if (FRAME_TERMCAP_P (frame)) |
daf01701 KL |
1126 | { |
1127 | struct tty_display_info *tty = FRAME_TTY (frame); | |
fbceeba2 PE |
1128 | register const char *f = (tty->TS_set_scroll_region |
1129 | ? tty->TS_set_scroll_region | |
1130 | : tty->TS_set_scroll_region_1); | |
08a24c47 | 1131 | |
daf01701 | 1132 | FRAME_SCROLL_REGION_COST (frame) = string_cost (f); |
08a24c47 | 1133 | |
daf01701 | 1134 | tty->costs_set = 1; |
08a24c47 | 1135 | |
daf01701 KL |
1136 | /* These variables are only used for terminal stuff. They are |
1137 | allocated once for the terminal frame of X-windows emacs, but not | |
1138 | used afterwards. | |
8dd0c7cb | 1139 | |
daf01701 KL |
1140 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because |
1141 | X turns off char_ins_del_ok. */ | |
08a24c47 | 1142 | |
daf01701 | 1143 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); |
0065d054 PE |
1144 | if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2 |
1145 | < max_frame_cols) | |
fee31f82 | 1146 | memory_full (SIZE_MAX); |
08a24c47 | 1147 | |
0065d054 PE |
1148 | char_ins_del_vector = |
1149 | xrealloc (char_ins_del_vector, | |
1150 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); | |
08a24c47 | 1151 | |
72af86bd | 1152 | memset (char_ins_del_vector, 0, |
0065d054 | 1153 | (sizeof (int) + 2 * sizeof (int) * max_frame_cols)); |
08a24c47 | 1154 | |
daf01701 KL |
1155 | |
1156 | if (f && (!tty->TS_ins_line && !tty->TS_del_line)) | |
1157 | do_line_insertion_deletion_costs (frame, | |
1158 | tty->TS_rev_scroll, tty->TS_ins_multi_lines, | |
1159 | tty->TS_fwd_scroll, tty->TS_del_multi_lines, | |
1160 | f, f, 1); | |
1161 | else | |
1162 | do_line_insertion_deletion_costs (frame, | |
1163 | tty->TS_ins_line, tty->TS_ins_multi_lines, | |
1164 | tty->TS_del_line, tty->TS_del_multi_lines, | |
1165 | 0, 0, 1); | |
1166 | ||
1167 | calculate_ins_del_char_costs (frame); | |
1168 | ||
1169 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1170 | if (tty->TS_repeat && per_line_cost (tty->TS_repeat) * baud_rate < 9000) | |
1171 | tty->RPov = string_cost (tty->TS_repeat); | |
1172 | else | |
1173 | tty->RPov = FRAME_COLS (frame) * 2; | |
08a24c47 | 1174 | |
daf01701 KL |
1175 | cmcostinit (FRAME_TTY (frame)); /* set up cursor motion costs */ |
1176 | } | |
08a24c47 JB |
1177 | } |
1178 | \f | |
a796ac82 | 1179 | struct fkey_table { |
fbceeba2 | 1180 | const char *cap, *name; |
a796ac82 JB |
1181 | }; |
1182 | ||
01d8deb0 ER |
1183 | /* Termcap capability names that correspond directly to X keysyms. |
1184 | Some of these (marked "terminfo") aren't supplied by old-style | |
1185 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1186 | except we put the keypad keys first, so that if they clash with | |
1187 | other keys (as on the IBM PC keyboard) they get overridden. | |
1188 | */ | |
1189 | ||
648801d1 | 1190 | static const struct fkey_table keys[] = |
a168702a | 1191 | { |
8103ad1a PJ |
1192 | {"kh", "home"}, /* termcap */ |
1193 | {"kl", "left"}, /* termcap */ | |
1194 | {"ku", "up"}, /* termcap */ | |
1195 | {"kr", "right"}, /* termcap */ | |
1196 | {"kd", "down"}, /* termcap */ | |
1197 | {"%8", "prior"}, /* terminfo */ | |
1198 | {"%5", "next"}, /* terminfo */ | |
1199 | {"@7", "end"}, /* terminfo */ | |
1200 | {"@1", "begin"}, /* terminfo */ | |
1201 | {"*6", "select"}, /* terminfo */ | |
1202 | {"%9", "print"}, /* terminfo */ | |
1203 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1204 | /* |
1205 | * "insert" --- see below | |
1206 | */ | |
8103ad1a PJ |
1207 | {"&8", "undo"}, /* terminfo */ |
1208 | {"%0", "redo"}, /* terminfo */ | |
1209 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1210 | {"@0", "find"}, /* terminfo */ | |
1211 | {"@2", "cancel"}, /* terminfo */ | |
1212 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1213 | /* |
1214 | * "break" goes here, but can't be reliably intercepted with termcap | |
1215 | */ | |
8103ad1a | 1216 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1217 | /* |
1218 | * "system" and "user" --- no termcaps | |
1219 | */ | |
8103ad1a PJ |
1220 | {"kE", "clearline"}, /* terminfo */ |
1221 | {"kA", "insertline"}, /* terminfo */ | |
1222 | {"kL", "deleteline"}, /* terminfo */ | |
1223 | {"kI", "insertchar"}, /* terminfo */ | |
1224 | {"kD", "deletechar"}, /* terminfo */ | |
1225 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1226 | /* |
1227 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1228 | */ | |
8103ad1a | 1229 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1230 | /* |
1231 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1232 | * "kp-multiply", "kp-add", "kp-separator", | |
1233 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1234 | * --- no termcaps for any of these. | |
1235 | */ | |
8103ad1a | 1236 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1237 | /* |
1238 | * "kp-2" --- no termcap | |
1239 | */ | |
8103ad1a | 1240 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1241 | /* |
1242 | * "kp-4" --- no termcap | |
1243 | */ | |
8103ad1a | 1244 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1245 | /* |
1246 | * "kp-6" --- no termcap | |
1247 | */ | |
8103ad1a | 1248 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1249 | /* |
1250 | * "kp-8" --- no termcap | |
1251 | */ | |
8103ad1a | 1252 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1253 | /* |
1254 | * "kp-equal" --- no termcap | |
1255 | */ | |
8103ad1a PJ |
1256 | {"k1", "f1"}, |
1257 | {"k2", "f2"}, | |
1258 | {"k3", "f3"}, | |
1259 | {"k4", "f4"}, | |
1260 | {"k5", "f5"}, | |
1261 | {"k6", "f6"}, | |
1262 | {"k7", "f7"}, | |
1263 | {"k8", "f8"}, | |
60ec7b7e DN |
1264 | {"k9", "f9"}, |
1265 | ||
1266 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1267 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1268 | {"*0", "S-find"}, /*shifted find key*/ | |
1269 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1270 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1271 | {"*7", "S-end"}, /*shifted end key*/ | |
1272 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1273 | {"#1", "S-help"}, /*shifted help key*/ | |
1274 | {"#2", "S-home"}, /*shifted home key*/ | |
1275 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1276 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1277 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1278 | {"%c", "S-next"}, /*shifted next key*/ | |
1279 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1280 | {"%f", "S-print"}, /*shifted print key*/ | |
1281 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1282 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1283 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1284 | }; |
1285 | ||
361358ea | 1286 | #ifndef DOS_NT |
e7cf0fa0 KL |
1287 | static char **term_get_fkeys_address; |
1288 | static KBOARD *term_get_fkeys_kboard; | |
d3da34e0 | 1289 | static Lisp_Object term_get_fkeys_1 (void); |
465db27b | 1290 | |
4f4a84ec | 1291 | /* Find the escape codes sent by the function keys for Vinput_decode_map. |
177c0ea7 | 1292 | This function scans the termcap function key sequence entries, and |
4f4a84ec | 1293 | adds entries to Vinput_decode_map for each function key it finds. */ |
01d8deb0 | 1294 | |
ed8dad6b | 1295 | static void |
d3da34e0 | 1296 | term_get_fkeys (char **address, KBOARD *kboard) |
f2a00342 RM |
1297 | { |
1298 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1299 | errors during the call. The only errors should be from Fdefine_key | |
1300 | when given a key sequence containing an invalid prefix key. If the | |
1301 | termcap defines function keys which use a prefix that is already bound | |
1302 | to a command by the default bindings, we should silently ignore that | |
1303 | function key specification, rather than giving the user an error and | |
1304 | refusing to run at all on such a terminal. */ | |
1305 | ||
e7cf0fa0 KL |
1306 | term_get_fkeys_address = address; |
1307 | term_get_fkeys_kboard = kboard; | |
f2a00342 RM |
1308 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); |
1309 | } | |
1310 | ||
1311 | static Lisp_Object | |
d3da34e0 | 1312 | term_get_fkeys_1 (void) |
5c2c7893 | 1313 | { |
5c2c7893 JB |
1314 | int i; |
1315 | ||
e7cf0fa0 KL |
1316 | char **address = term_get_fkeys_address; |
1317 | KBOARD *kboard = term_get_fkeys_kboard; | |
f4d953fc | 1318 | |
3e65092f | 1319 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1344aad4 | 1320 | if (!KEYMAPP (KVAR (kboard, Vinput_decode_map))) |
15dbb4d6 | 1321 | kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil)); |
3e65092f | 1322 | |
cbae07d5 | 1323 | for (i = 0; i < (sizeof (keys) / sizeof (keys[0])); i++) |
5c2c7893 JB |
1324 | { |
1325 | char *sequence = tgetstr (keys[i].cap, address); | |
1326 | if (sequence) | |
1344aad4 | 1327 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1328 | Fmake_vector (make_number (1), |
1329 | intern (keys[i].name))); | |
5c2c7893 | 1330 | } |
a796ac82 JB |
1331 | |
1332 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1333 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1334 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1335 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1336 | */ | |
1337 | { | |
fbceeba2 PE |
1338 | const char *k_semi = tgetstr ("k;", address); |
1339 | const char *k0 = tgetstr ("k0", address); | |
1340 | const char *k0_name = "f10"; | |
a796ac82 JB |
1341 | |
1342 | if (k_semi) | |
1343 | { | |
95c11956 SM |
1344 | if (k0) |
1345 | /* Define f0 first, so that f10 takes precedence in case the | |
1346 | key sequences happens to be the same. */ | |
1344aad4 | 1347 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
95c11956 | 1348 | Fmake_vector (make_number (1), intern ("f0"))); |
1344aad4 | 1349 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k_semi), |
f2a00342 | 1350 | Fmake_vector (make_number (1), intern ("f10"))); |
a796ac82 | 1351 | } |
95c11956 | 1352 | else if (k0) |
1344aad4 | 1353 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (k0), |
f2a00342 | 1354 | Fmake_vector (make_number (1), intern (k0_name))); |
a796ac82 | 1355 | } |
01d8deb0 ER |
1356 | |
1357 | /* Set up cookies for numbered function keys above f10. */ | |
1358 | { | |
1359 | char fcap[3], fkey[4]; | |
1360 | ||
fc4f24da | 1361 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1362 | for (i = 11; i < 64; i++) |
1363 | { | |
1364 | if (i <= 19) | |
1365 | fcap[1] = '1' + i - 11; | |
1366 | else if (i <= 45) | |
b59ab95c | 1367 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1368 | else |
b59ab95c | 1369 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1370 | |
fc4f24da RS |
1371 | { |
1372 | char *sequence = tgetstr (fcap, address); | |
1373 | if (sequence) | |
1374 | { | |
465db27b | 1375 | sprintf (fkey, "f%d", i); |
1344aad4 | 1376 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), |
f2a00342 RM |
1377 | Fmake_vector (make_number (1), |
1378 | intern (fkey))); | |
fc4f24da RS |
1379 | } |
1380 | } | |
01d8deb0 ER |
1381 | } |
1382 | } | |
1383 | ||
1384 | /* | |
1385 | * Various mappings to try and get a better fit. | |
1386 | */ | |
1387 | { | |
fc4f24da RS |
1388 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1389 | if (!tgetstr (cap1, address)) \ | |
1390 | { \ | |
1391 | char *sequence = tgetstr (cap2, address); \ | |
e7cf0fa0 | 1392 | if (sequence) \ |
1344aad4 | 1393 | Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \ |
e7cf0fa0 KL |
1394 | Fmake_vector (make_number (1), \ |
1395 | intern (sym))); \ | |
fc4f24da | 1396 | } |
177c0ea7 | 1397 | |
01d8deb0 | 1398 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1399 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1400 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1401 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1402 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1403 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1404 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1405 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1406 | |
1407 | /* IBM has their own non-standard dialect of terminfo. | |
1408 | If the standard name isn't found, try the IBM name. */ | |
1409 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1410 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1411 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1412 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1413 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1414 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1415 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1416 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1417 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1418 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1419 | } |
a168702a GM |
1420 | |
1421 | return Qnil; | |
5c2c7893 | 1422 | } |
361358ea | 1423 | #endif /* not DOS_NT */ |
5c2c7893 JB |
1424 | |
1425 | \f | |
a168702a GM |
1426 | /*********************************************************************** |
1427 | Character Display Information | |
1428 | ***********************************************************************/ | |
f57e2426 | 1429 | static void append_glyph (struct it *); |
f57e2426 J |
1430 | static void append_composite_glyph (struct it *); |
1431 | static void produce_composite_glyph (struct it *); | |
fbceeba2 | 1432 | static void append_glyphless_glyph (struct it *, int, const char *); |
653d4f43 | 1433 | static void produce_glyphless_glyph (struct it *, Lisp_Object); |
a168702a GM |
1434 | |
1435 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1436 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1437 | the character for which to produce glyphs; IT->face_id contains the | |
1438 | character's face. Padding glyphs are appended if IT->c has a | |
1439 | IT->pixel_width > 1. */ | |
177c0ea7 | 1440 | |
a168702a | 1441 | static void |
d3da34e0 | 1442 | append_glyph (struct it *it) |
a168702a GM |
1443 | { |
1444 | struct glyph *glyph, *end; | |
1445 | int i; | |
1446 | ||
a54e2c05 | 1447 | eassert (it->glyph_row); |
a168702a GM |
1448 | glyph = (it->glyph_row->glyphs[it->area] |
1449 | + it->glyph_row->used[it->area]); | |
1450 | end = it->glyph_row->glyphs[1 + it->area]; | |
1451 | ||
5e65aec0 EZ |
1452 | /* If the glyph row is reversed, we need to prepend the glyph rather |
1453 | than append it. */ | |
1454 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1455 | { | |
1456 | struct glyph *g; | |
1457 | int move_by = it->pixel_width; | |
1458 | ||
1459 | /* Make room for the new glyphs. */ | |
1460 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1461 | move_by = end - glyph; | |
1462 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1463 | g[move_by] = *g; | |
1464 | glyph = it->glyph_row->glyphs[it->area]; | |
1465 | end = glyph + move_by; | |
1466 | } | |
1467 | ||
1468 | /* BIDI Note: we put the glyphs of a "multi-pixel" character left to | |
1469 | right, even in the REVERSED_P case, since (a) all of its u.ch are | |
1470 | identical, and (b) the PADDING_P flag needs to be set for the | |
1471 | leftmost one, because we write to the terminal left-to-right. */ | |
177c0ea7 JB |
1472 | for (i = 0; |
1473 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1474 | ++i) |
1475 | { | |
1476 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1477 | glyph->pixel_width = 1; |
d2b4c17d | 1478 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1479 | glyph->face_id = it->face_id; |
1480 | glyph->padding_p = i > 0; | |
a168702a GM |
1481 | glyph->charpos = CHARPOS (it->position); |
1482 | glyph->object = it->object; | |
5e65aec0 EZ |
1483 | if (it->bidi_p) |
1484 | { | |
1485 | glyph->resolved_level = it->bidi_it.resolved_level; | |
9443b3c7 | 1486 | if ((it->bidi_it.type & 7) != it->bidi_it.type) |
1088b922 | 1487 | emacs_abort (); |
5e65aec0 EZ |
1488 | glyph->bidi_type = it->bidi_it.type; |
1489 | } | |
9443b3c7 EZ |
1490 | else |
1491 | { | |
1492 | glyph->resolved_level = 0; | |
1493 | glyph->bidi_type = UNKNOWN_BT; | |
1494 | } | |
177c0ea7 | 1495 | |
a168702a GM |
1496 | ++it->glyph_row->used[it->area]; |
1497 | ++glyph; | |
1498 | } | |
1499 | } | |
1500 | ||
148ae00e EZ |
1501 | /* For external use. */ |
1502 | void | |
1503 | tty_append_glyph (struct it *it) | |
1504 | { | |
1505 | append_glyph (it); | |
1506 | } | |
1507 | ||
1508 | ||
b50fe468 RS |
1509 | /* Produce glyphs for the display element described by IT. *IT |
1510 | specifies what we want to produce a glyph for (character, image, ...), | |
1511 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1512 | produce_glyphs fills in output fields of *IT with information such as the | |
1513 | pixel width and height of a character, and maybe output actual glyphs at | |
e3670e00 EZ |
1514 | the same time if IT->glyph_row is non-null. For an overview, see |
1515 | the explanation in dispextern.h, before the definition of the | |
1516 | display_element_type enumeration. | |
b50fe468 RS |
1517 | |
1518 | produce_glyphs also stores the result of glyph width, ascent | |
1519 | etc. computations in *IT. | |
1520 | ||
1521 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1522 | actually fill in the glyphs. This is used in the move_* functions | |
1523 | in xdisp.c for text width and height computations. | |
1524 | ||
1525 | Callers usually don't call produce_glyphs directly; | |
1526 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1527 | |
177c0ea7 | 1528 | void |
d3da34e0 | 1529 | produce_glyphs (struct it *it) |
a168702a GM |
1530 | { |
1531 | /* If a hook is installed, let it do the work. */ | |
4c12d738 KH |
1532 | |
1533 | /* Nothing but characters are supported on terminal frames. */ | |
a54e2c05 | 1534 | eassert (it->what == IT_CHARACTER |
c7cba11d | 1535 | || it->what == IT_COMPOSITION |
a8815b00 EZ |
1536 | || it->what == IT_STRETCH |
1537 | || it->what == IT_GLYPHLESS); | |
177c0ea7 | 1538 | |
6b61353c KH |
1539 | if (it->what == IT_STRETCH) |
1540 | { | |
1541 | produce_stretch_glyph (it); | |
1542 | goto done; | |
1543 | } | |
1544 | ||
4c12d738 KH |
1545 | if (it->what == IT_COMPOSITION) |
1546 | { | |
1547 | produce_composite_glyph (it); | |
1548 | goto done; | |
1549 | } | |
a168702a | 1550 | |
b18fad6d KH |
1551 | if (it->what == IT_GLYPHLESS) |
1552 | { | |
653d4f43 | 1553 | produce_glyphless_glyph (it, Qnil); |
b18fad6d KH |
1554 | goto done; |
1555 | } | |
1556 | ||
d419e1d9 | 1557 | if (it->char_to_display >= 040 && it->char_to_display < 0177) |
a168702a GM |
1558 | { |
1559 | it->pixel_width = it->nglyphs = 1; | |
1560 | if (it->glyph_row) | |
1561 | append_glyph (it); | |
1562 | } | |
d419e1d9 | 1563 | else if (it->char_to_display == '\n') |
a168702a | 1564 | it->pixel_width = it->nglyphs = 0; |
d419e1d9 | 1565 | else if (it->char_to_display == '\t') |
a168702a | 1566 | { |
2efdbcdd | 1567 | int absolute_x = (it->current_x |
a168702a | 1568 | + it->continuation_lines_width); |
177c0ea7 JB |
1569 | int next_tab_x |
1570 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1571 | / it->tab_width) |
1572 | * it->tab_width); | |
1573 | int nspaces; | |
1574 | ||
1575 | /* If part of the TAB has been displayed on the previous line | |
1576 | which is continued now, continuation_lines_width will have | |
1577 | been incremented already by the part that fitted on the | |
1578 | continued line. So, we will get the right number of spaces | |
1579 | here. */ | |
1580 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1581 | |
a168702a GM |
1582 | if (it->glyph_row) |
1583 | { | |
1584 | int n = nspaces; | |
177c0ea7 | 1585 | |
d2b4c17d | 1586 | it->char_to_display = ' '; |
a168702a | 1587 | it->pixel_width = it->len = 1; |
177c0ea7 | 1588 | |
a168702a GM |
1589 | while (n--) |
1590 | append_glyph (it); | |
a168702a GM |
1591 | } |
1592 | ||
1593 | it->pixel_width = nspaces; | |
1594 | it->nglyphs = nspaces; | |
1595 | } | |
d419e1d9 | 1596 | else if (CHAR_BYTE8_P (it->char_to_display)) |
add44890 | 1597 | { |
d419e1d9 KH |
1598 | /* Coming here means that we must send the raw 8-bit byte as is |
1599 | to the terminal. Although there's no way to know how many | |
1600 | columns it occupies on a screen, it is a good assumption that | |
1601 | a single byte code has 1-column width. */ | |
1602 | it->pixel_width = it->nglyphs = 1; | |
1603 | if (it->glyph_row) | |
1604 | append_glyph (it); | |
add44890 | 1605 | } |
a168702a GM |
1606 | else |
1607 | { | |
b18fad6d | 1608 | Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list; |
177c0ea7 | 1609 | |
b18fad6d KH |
1610 | if (char_charset (it->char_to_display, charset_list, NULL)) |
1611 | { | |
1612 | it->pixel_width = CHAR_WIDTH (it->char_to_display); | |
1613 | it->nglyphs = it->pixel_width; | |
1614 | if (it->glyph_row) | |
1615 | append_glyph (it); | |
1616 | } | |
1617 | else | |
1618 | { | |
1619 | Lisp_Object acronym = lookup_glyphless_char_display (-1, it); | |
1620 | ||
a54e2c05 | 1621 | eassert (it->what == IT_GLYPHLESS); |
653d4f43 | 1622 | produce_glyphless_glyph (it, acronym); |
b18fad6d | 1623 | } |
a168702a GM |
1624 | } |
1625 | ||
6b61353c | 1626 | done: |
177c0ea7 | 1627 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1628 | the caller. */ |
1629 | if (it->area == TEXT_AREA) | |
1630 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1631 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1632 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1633 | } |
1634 | ||
4c12d738 KH |
1635 | /* Append glyphs to IT's glyph_row for the composition IT->cmp_id. |
1636 | Called from produce_composite_glyph for terminal frames if | |
1637 | IT->glyph_row != NULL. IT->face_id contains the character's | |
1638 | face. */ | |
1639 | ||
1640 | static void | |
d3da34e0 | 1641 | append_composite_glyph (struct it *it) |
4c12d738 KH |
1642 | { |
1643 | struct glyph *glyph; | |
1644 | ||
a54e2c05 | 1645 | eassert (it->glyph_row); |
4c12d738 KH |
1646 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1647 | if (glyph < it->glyph_row->glyphs[1 + it->area]) | |
1648 | { | |
93d68d0c EZ |
1649 | /* If the glyph row is reversed, we need to prepend the glyph |
1650 | rather than append it. */ | |
1651 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1652 | { | |
1653 | struct glyph *g; | |
1654 | ||
1655 | /* Make room for the new glyph. */ | |
1656 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1657 | g[1] = *g; | |
1658 | glyph = it->glyph_row->glyphs[it->area]; | |
1659 | } | |
4c12d738 KH |
1660 | glyph->type = COMPOSITE_GLYPH; |
1661 | glyph->pixel_width = it->pixel_width; | |
75a10786 KH |
1662 | glyph->u.cmp.id = it->cmp_it.id; |
1663 | if (it->cmp_it.ch < 0) | |
1664 | { | |
1665 | glyph->u.cmp.automatic = 0; | |
1666 | glyph->u.cmp.id = it->cmp_it.id; | |
1667 | } | |
1668 | else | |
1669 | { | |
1670 | glyph->u.cmp.automatic = 1; | |
1671 | glyph->u.cmp.id = it->cmp_it.id; | |
4be9765d KH |
1672 | glyph->slice.cmp.from = it->cmp_it.from; |
1673 | glyph->slice.cmp.to = it->cmp_it.to - 1; | |
75a10786 KH |
1674 | } |
1675 | ||
4c12d738 KH |
1676 | glyph->face_id = it->face_id; |
1677 | glyph->padding_p = 0; | |
1678 | glyph->charpos = CHARPOS (it->position); | |
1679 | glyph->object = it->object; | |
93d68d0c EZ |
1680 | if (it->bidi_p) |
1681 | { | |
1682 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1683 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1684 | emacs_abort (); |
93d68d0c EZ |
1685 | glyph->bidi_type = it->bidi_it.type; |
1686 | } | |
1687 | else | |
1688 | { | |
1689 | glyph->resolved_level = 0; | |
1690 | glyph->bidi_type = UNKNOWN_BT; | |
1691 | } | |
4c12d738 KH |
1692 | |
1693 | ++it->glyph_row->used[it->area]; | |
1694 | ++glyph; | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | ||
1699 | /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of | |
1700 | the composition. We simply produces components of the composition | |
2b34df4e JB |
1701 | assuming that the terminal has a capability to layout/render it |
1702 | correctly. */ | |
4c12d738 KH |
1703 | |
1704 | static void | |
d3da34e0 | 1705 | produce_composite_glyph (struct it *it) |
4c12d738 | 1706 | { |
75a10786 KH |
1707 | if (it->cmp_it.ch < 0) |
1708 | { | |
1709 | struct composition *cmp = composition_table[it->cmp_it.id]; | |
1710 | ||
d0984aff | 1711 | it->pixel_width = cmp->width; |
75a10786 KH |
1712 | } |
1713 | else | |
1714 | { | |
1715 | Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id); | |
4c12d738 | 1716 | |
75a10786 KH |
1717 | it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from, |
1718 | it->cmp_it.to, NULL); | |
1719 | } | |
1720 | it->nglyphs = 1; | |
4c12d738 KH |
1721 | if (it->glyph_row) |
1722 | append_composite_glyph (it); | |
1723 | } | |
1724 | ||
1725 | ||
b18fad6d | 1726 | /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID |
0eb025fb EZ |
1727 | is a face ID to be used for the glyph. What is actually appended |
1728 | are glyphs of type CHAR_GLYPH whose characters are in STR (which | |
1729 | comes from it->nglyphs bytes). */ | |
b18fad6d KH |
1730 | |
1731 | static void | |
fbceeba2 | 1732 | append_glyphless_glyph (struct it *it, int face_id, const char *str) |
b18fad6d KH |
1733 | { |
1734 | struct glyph *glyph, *end; | |
b18fad6d KH |
1735 | int i; |
1736 | ||
a54e2c05 | 1737 | eassert (it->glyph_row); |
b18fad6d KH |
1738 | glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area]; |
1739 | end = it->glyph_row->glyphs[1 + it->area]; | |
1740 | ||
1741 | /* If the glyph row is reversed, we need to prepend the glyph rather | |
1742 | than append it. */ | |
1743 | if (it->glyph_row->reversed_p && it->area == TEXT_AREA) | |
1744 | { | |
1745 | struct glyph *g; | |
1746 | int move_by = it->pixel_width; | |
1747 | ||
1748 | /* Make room for the new glyphs. */ | |
1749 | if (move_by > end - glyph) /* don't overstep end of this area */ | |
1750 | move_by = end - glyph; | |
1751 | for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--) | |
1752 | g[move_by] = *g; | |
1753 | glyph = it->glyph_row->glyphs[it->area]; | |
1754 | end = glyph + move_by; | |
1755 | } | |
1756 | ||
1757 | if (glyph >= end) | |
1758 | return; | |
1759 | glyph->type = CHAR_GLYPH; | |
1760 | glyph->pixel_width = 1; | |
1761 | glyph->face_id = face_id; | |
1762 | glyph->padding_p = 0; | |
1763 | glyph->charpos = CHARPOS (it->position); | |
1764 | glyph->object = it->object; | |
1765 | if (it->bidi_p) | |
1766 | { | |
1767 | glyph->resolved_level = it->bidi_it.resolved_level; | |
1768 | if ((it->bidi_it.type & 7) != it->bidi_it.type) | |
1088b922 | 1769 | emacs_abort (); |
b18fad6d KH |
1770 | glyph->bidi_type = it->bidi_it.type; |
1771 | } | |
1772 | else | |
1773 | { | |
1774 | glyph->resolved_level = 0; | |
1775 | glyph->bidi_type = UNKNOWN_BT; | |
1776 | } | |
1777 | ||
1778 | /* BIDI Note: we put the glyphs of characters left to right, even in | |
1779 | the REVERSED_P case because we write to the terminal | |
1780 | left-to-right. */ | |
1781 | for (i = 0; i < it->nglyphs && glyph < end; ++i) | |
1782 | { | |
1783 | if (i > 0) | |
1784 | glyph[0] = glyph[-1]; | |
1785 | glyph->u.ch = str[i]; | |
1786 | ++it->glyph_row->used[it->area]; | |
1787 | ++glyph; | |
1788 | } | |
1789 | } | |
1790 | ||
b18fad6d KH |
1791 | /* Produce glyphs for a glyphless character for iterator IT. |
1792 | IT->glyphless_method specifies which method to use for displaying | |
1793 | the character. See the description of enum | |
0eb025fb | 1794 | glyphless_display_method in dispextern.h for the details. |
b18fad6d | 1795 | |
653d4f43 | 1796 | ACRONYM, if non-nil, is an acronym string for the character. |
b18fad6d KH |
1797 | |
1798 | The glyphs actually produced are of type CHAR_GLYPH. */ | |
1799 | ||
1800 | static void | |
653d4f43 | 1801 | produce_glyphless_glyph (struct it *it, Lisp_Object acronym) |
b18fad6d KH |
1802 | { |
1803 | int face_id; | |
0eb025fb | 1804 | int len; |
80f2e268 | 1805 | char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)]; |
fbceeba2 | 1806 | char const *str = " "; |
b18fad6d KH |
1807 | |
1808 | /* Get a face ID for the glyph by utilizing a cache (the same way as | |
0eb025fb | 1809 | done for `escape-glyph' in get_next_display_element). */ |
b18fad6d KH |
1810 | if (it->f == last_glyphless_glyph_frame |
1811 | && it->face_id == last_glyphless_glyph_face_id) | |
1812 | { | |
1813 | face_id = last_glyphless_glyph_merged_face_id; | |
1814 | } | |
1815 | else | |
1816 | { | |
1817 | /* Merge the `glyphless-char' face into the current face. */ | |
1818 | face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id); | |
1819 | last_glyphless_glyph_frame = it->f; | |
1820 | last_glyphless_glyph_face_id = it->face_id; | |
1821 | last_glyphless_glyph_merged_face_id = face_id; | |
1822 | } | |
1823 | ||
1824 | if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE) | |
1825 | { | |
0eb025fb EZ |
1826 | /* As there's no way to produce a thin space, we produce a space |
1827 | of canonical width. */ | |
b18fad6d KH |
1828 | len = 1; |
1829 | } | |
1830 | else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX) | |
1831 | { | |
1832 | len = CHAR_WIDTH (it->c); | |
1833 | if (len == 0) | |
1834 | len = 1; | |
0eb025fb | 1835 | else if (len > 4) |
b18fad6d | 1836 | len = 4; |
99027bdd | 1837 | len = sprintf (buf, "[%.*s]", len, str); |
0eb025fb | 1838 | str = buf; |
b18fad6d KH |
1839 | } |
1840 | else | |
1841 | { | |
1842 | if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM) | |
1843 | { | |
b18fad6d KH |
1844 | if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display)) |
1845 | acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c); | |
16a43933 CY |
1846 | if (CONSP (acronym)) |
1847 | acronym = XCDR (acronym); | |
b18fad6d | 1848 | buf[0] = '['; |
51b59d79 | 1849 | str = STRINGP (acronym) ? SSDATA (acronym) : ""; |
b18fad6d KH |
1850 | for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++) |
1851 | buf[1 + len] = str[len]; | |
1852 | buf[1 + len] = ']'; | |
1853 | len += 2; | |
1854 | } | |
1855 | else | |
1856 | { | |
a54e2c05 | 1857 | eassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE); |
7c2d713b EZ |
1858 | len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c) |
1859 | : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c) | |
1860 | : sprintf (buf, "\\x%06X", it->c)); | |
b18fad6d KH |
1861 | } |
1862 | str = buf; | |
1863 | } | |
1864 | ||
1865 | it->pixel_width = len; | |
1866 | it->nglyphs = len; | |
d284567f | 1867 | if (it->glyph_row) |
b18fad6d KH |
1868 | append_glyphless_glyph (it, face_id, str); |
1869 | } | |
1870 | ||
a168702a GM |
1871 | \f |
1872 | /*********************************************************************** | |
1873 | Faces | |
1874 | ***********************************************************************/ | |
1875 | ||
4e6ba4a4 GM |
1876 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1877 | one of the enumerators from enum no_color_bit, or a bit set built | |
1878 | from them. Some display attributes may not be used together with | |
1879 | color; the termcap capability `NC' specifies which ones. */ | |
1880 | ||
fca177d4 KL |
1881 | #define MAY_USE_WITH_COLORS_P(tty, ATTR) \ |
1882 | (tty->TN_max_colors > 0 \ | |
1883 | ? (tty->TN_no_color_video & (ATTR)) == 0 \ | |
1884 | : 1) | |
a168702a | 1885 | |
072d84a6 RS |
1886 | /* Turn appearances of face FACE_ID on tty frame F on. |
1887 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1888 | |
1889 | static void | |
d3da34e0 | 1890 | turn_on_face (struct frame *f, int face_id) |
a168702a GM |
1891 | { |
1892 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1893 | long fg = face->foreground; |
1894 | long bg = face->background; | |
28d7d09f | 1895 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1896 | |
86a7d192 GM |
1897 | /* Do this first because TS_end_standout_mode may be the same |
1898 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
fca177d4 | 1899 | if (MAY_USE_WITH_COLORS_P (tty, NC_REVERSE)) |
86a7d192 | 1900 | { |
fca177d4 | 1901 | if (tty->TN_max_colors > 0) |
86a7d192 GM |
1902 | { |
1903 | if (fg >= 0 && bg >= 0) | |
1904 | { | |
1905 | /* If the terminal supports colors, we can set them | |
1906 | below without using reverse video. The face's fg | |
1907 | and bg colors are set as they should appear on | |
1908 | the screen, i.e. they take the inverse-video'ness | |
1909 | of the face already into account. */ | |
1910 | } | |
1911 | else if (inverse_video) | |
1912 | { | |
1913 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1914 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1915 | tty_toggle_highlight (tty); |
86a7d192 GM |
1916 | } |
1917 | else | |
1918 | { | |
1919 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1920 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1921 | tty_toggle_highlight (tty); |
86a7d192 GM |
1922 | } |
1923 | } | |
1924 | else | |
1925 | { | |
1926 | /* If we can't display colors, use reverse video | |
1927 | if the face specifies that. */ | |
37526b42 GM |
1928 | if (inverse_video) |
1929 | { | |
1930 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1931 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
ed8dad6b | 1932 | tty_toggle_highlight (tty); |
37526b42 GM |
1933 | } |
1934 | else | |
1935 | { | |
1936 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1937 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
ed8dad6b | 1938 | tty_toggle_highlight (tty); |
37526b42 | 1939 | } |
86a7d192 GM |
1940 | } |
1941 | } | |
a168702a | 1942 | |
4189ed40 CY |
1943 | if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD)) |
1944 | OUTPUT1_IF (tty, tty->TS_enter_bold_mode); | |
1945 | ||
cd4eb164 CY |
1946 | if (face->tty_italic_p && MAY_USE_WITH_COLORS_P (tty, NC_ITALIC)) |
1947 | { | |
1948 | if (tty->TS_enter_italic_mode) | |
1949 | OUTPUT1 (tty, tty->TS_enter_italic_mode); | |
1950 | else | |
1951 | /* Italics mode is unavailable on many terminals. In that | |
1952 | case, map slant to dimmed text; we want italic text to | |
1953 | appear different and dimming is not otherwise used. */ | |
1954 | OUTPUT1 (tty, tty->TS_enter_dim_mode); | |
1955 | } | |
a168702a | 1956 | |
fca177d4 KL |
1957 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (tty, NC_UNDERLINE)) |
1958 | OUTPUT1_IF (tty, tty->TS_enter_underline_mode); | |
a168702a | 1959 | |
fca177d4 | 1960 | if (tty->TN_max_colors > 0) |
a168702a | 1961 | { |
fbceeba2 PE |
1962 | const char *ts; |
1963 | char *p; | |
177c0ea7 | 1964 | |
fbf34973 | 1965 | ts = tty->standout_mode ? tty->TS_set_background : tty->TS_set_foreground; |
753d161b | 1966 | if (fg >= 0 && ts) |
a168702a | 1967 | { |
653d4f43 | 1968 | p = tparam (ts, NULL, 0, fg, 0, 0, 0); |
6548cf00 | 1969 | OUTPUT (tty, p); |
a168702a GM |
1970 | xfree (p); |
1971 | } | |
1972 | ||
fbf34973 | 1973 | ts = tty->standout_mode ? tty->TS_set_foreground : tty->TS_set_background; |
753d161b | 1974 | if (bg >= 0 && ts) |
a168702a | 1975 | { |
653d4f43 | 1976 | p = tparam (ts, NULL, 0, bg, 0, 0, 0); |
6548cf00 | 1977 | OUTPUT (tty, p); |
a168702a GM |
1978 | xfree (p); |
1979 | } | |
1980 | } | |
1981 | } | |
177c0ea7 | 1982 | |
a168702a GM |
1983 | |
1984 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1985 | ||
1986 | static void | |
d3da34e0 | 1987 | turn_off_face (struct frame *f, int face_id) |
a168702a GM |
1988 | { |
1989 | struct face *face = FACE_FROM_ID (f, face_id); | |
28d7d09f | 1990 | struct tty_display_info *tty = FRAME_TTY (f); |
a168702a | 1991 | |
a54e2c05 | 1992 | eassert (face != NULL); |
a168702a | 1993 | |
fca177d4 | 1994 | if (tty->TS_exit_attribute_mode) |
a168702a GM |
1995 | { |
1996 | /* Capability "me" will turn off appearance modes double-bright, | |
1997 | half-bright, reverse-video, standout, underline. It may or | |
1998 | may not turn off alt-char-mode. */ | |
1999 | if (face->tty_bold_p | |
cd4eb164 | 2000 | || face->tty_italic_p |
a168702a | 2001 | || face->tty_reverse_p |
a168702a | 2002 | || face->tty_underline_p) |
65aa5e85 | 2003 | { |
fca177d4 KL |
2004 | OUTPUT1_IF (tty, tty->TS_exit_attribute_mode); |
2005 | if (strcmp (tty->TS_exit_attribute_mode, tty->TS_end_standout_mode) == 0) | |
2006 | tty->standout_mode = 0; | |
65aa5e85 | 2007 | } |
a168702a GM |
2008 | } |
2009 | else | |
2010 | { | |
2011 | /* If we don't have "me" we can only have those appearances | |
2012 | that have exit sequences defined. */ | |
54800acb | 2013 | if (face->tty_underline_p) |
fca177d4 | 2014 | OUTPUT_IF (tty, tty->TS_exit_underline_mode); |
a168702a GM |
2015 | } |
2016 | ||
2017 | /* Switch back to default colors. */ | |
fca177d4 | 2018 | if (tty->TN_max_colors > 0 |
f9d2fdc4 EZ |
2019 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2020 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2021 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2022 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
fca177d4 | 2023 | OUTPUT1_IF (tty, tty->TS_orig_pair); |
a168702a | 2024 | } |
177c0ea7 JB |
2025 | |
2026 | ||
653d4f43 | 2027 | /* Return true if the terminal on frame F supports all of the |
b63a55ac MB |
2028 | capabilities in CAPS simultaneously, with foreground and background |
2029 | colors FG and BG. */ | |
2030 | ||
653d4f43 | 2031 | bool |
d3da34e0 JB |
2032 | tty_capable_p (struct tty_display_info *tty, unsigned int caps, |
2033 | unsigned long fg, unsigned long bg) | |
b63a55ac | 2034 | { |
fca177d4 KL |
2035 | #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \ |
2036 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \ | |
b63a55ac MB |
2037 | return 0; |
2038 | ||
fca177d4 KL |
2039 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_INVERSE, tty->TS_standout_mode, NC_REVERSE); |
2040 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_UNDERLINE, tty->TS_enter_underline_mode, NC_UNDERLINE); | |
2041 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_BOLD, tty->TS_enter_bold_mode, NC_BOLD); | |
2042 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_DIM, tty->TS_enter_dim_mode, NC_DIM); | |
cd4eb164 | 2043 | TTY_CAPABLE_P_TRY (tty, TTY_CAP_ITALIC, tty->TS_enter_italic_mode, NC_ITALIC); |
b63a55ac MB |
2044 | |
2045 | /* We can do it! */ | |
2046 | return 1; | |
2047 | } | |
2048 | ||
a168702a GM |
2049 | /* Return non-zero if the terminal is capable to display colors. */ |
2050 | ||
2051 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2052 | 0, 1, 0, |
6ed8eeff KL |
2053 | doc: /* Return non-nil if the tty device TERMINAL can display colors. |
2054 | ||
401e9e57 CY |
2055 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2056 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2057 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2058 | (Lisp_Object terminal) |
a168702a | 2059 | { |
717a00ef | 2060 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2061 | if (!t) |
428a555e | 2062 | return Qnil; |
3224dac1 | 2063 | else |
6ed8eeff | 2064 | return t->display_info.tty->TN_max_colors > 0 ? Qt : Qnil; |
a168702a GM |
2065 | } |
2066 | ||
bfa62f96 EZ |
2067 | /* Return the number of supported colors. */ |
2068 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2069 | Stty_display_color_cells, 0, 1, 0, | |
6ed8eeff KL |
2070 | doc: /* Return the number of colors supported by the tty device TERMINAL. |
2071 | ||
401e9e57 CY |
2072 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2073 | selected frame's terminal). This function always returns 0 if | |
c6bf3022 | 2074 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2075 | (Lisp_Object terminal) |
bfa62f96 | 2076 | { |
717a00ef | 2077 | struct terminal *t = get_tty_terminal (terminal, 0); |
6ed8eeff | 2078 | if (!t) |
8c8d5f35 | 2079 | return make_number (0); |
3224dac1 | 2080 | else |
6ed8eeff | 2081 | return make_number (t->display_info.tty->TN_max_colors); |
bfa62f96 EZ |
2082 | } |
2083 | ||
84704c5c | 2084 | #ifndef DOS_NT |
a168702a | 2085 | |
5205ee62 GM |
2086 | /* Declare here rather than in the function, as in the rest of Emacs, |
2087 | to work around an HPUX compiler bug (?). See | |
57407fb4 | 2088 | http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */ |
5205ee62 GM |
2089 | static int default_max_colors; |
2090 | static int default_max_pairs; | |
2091 | static int default_no_color_video; | |
2092 | static char *default_orig_pair; | |
2093 | static char *default_set_foreground; | |
2094 | static char *default_set_background; | |
fcf8ff2e | 2095 | |
ace28297 EZ |
2096 | /* Save or restore the default color-related capabilities of this |
2097 | terminal. */ | |
2098 | static void | |
653d4f43 | 2099 | tty_default_color_capabilities (struct tty_display_info *tty, bool save) |
ace28297 | 2100 | { |
ace28297 EZ |
2101 | |
2102 | if (save) | |
2103 | { | |
70fdbb46 | 2104 | xfree (default_orig_pair); |
fca177d4 | 2105 | default_orig_pair = tty->TS_orig_pair ? xstrdup (tty->TS_orig_pair) : NULL; |
ace28297 | 2106 | |
70fdbb46 | 2107 | xfree (default_set_foreground); |
fca177d4 | 2108 | default_set_foreground = tty->TS_set_foreground ? xstrdup (tty->TS_set_foreground) |
ace28297 EZ |
2109 | : NULL; |
2110 | ||
70fdbb46 | 2111 | xfree (default_set_background); |
fca177d4 | 2112 | default_set_background = tty->TS_set_background ? xstrdup (tty->TS_set_background) |
ace28297 EZ |
2113 | : NULL; |
2114 | ||
fca177d4 KL |
2115 | default_max_colors = tty->TN_max_colors; |
2116 | default_max_pairs = tty->TN_max_pairs; | |
2117 | default_no_color_video = tty->TN_no_color_video; | |
ace28297 EZ |
2118 | } |
2119 | else | |
2120 | { | |
fca177d4 KL |
2121 | tty->TS_orig_pair = default_orig_pair; |
2122 | tty->TS_set_foreground = default_set_foreground; | |
2123 | tty->TS_set_background = default_set_background; | |
2124 | tty->TN_max_colors = default_max_colors; | |
2125 | tty->TN_max_pairs = default_max_pairs; | |
2126 | tty->TN_no_color_video = default_no_color_video; | |
ace28297 EZ |
2127 | } |
2128 | } | |
2129 | ||
2130 | /* Setup one of the standard tty color schemes according to MODE. | |
2131 | MODE's value is generally the number of colors which we want to | |
2132 | support; zero means set up for the default capabilities, the ones | |
a4c6993d | 2133 | we saw at init_tty time; -1 means turn off color support. */ |
ed8dad6b | 2134 | static void |
28d7d09f | 2135 | tty_setup_colors (struct tty_display_info *tty, int mode) |
ace28297 | 2136 | { |
6b61353c KH |
2137 | /* Canonicalize all negative values of MODE. */ |
2138 | if (mode < -1) | |
2139 | mode = -1; | |
2140 | ||
ace28297 EZ |
2141 | switch (mode) |
2142 | { | |
2143 | case -1: /* no colors at all */ | |
fca177d4 KL |
2144 | tty->TN_max_colors = 0; |
2145 | tty->TN_max_pairs = 0; | |
2146 | tty->TN_no_color_video = 0; | |
2147 | tty->TS_set_foreground = tty->TS_set_background = tty->TS_orig_pair = NULL; | |
ace28297 EZ |
2148 | break; |
2149 | case 0: /* default colors, if any */ | |
2150 | default: | |
fca177d4 | 2151 | tty_default_color_capabilities (tty, 0); |
ace28297 EZ |
2152 | break; |
2153 | case 8: /* 8 standard ANSI colors */ | |
fca177d4 | 2154 | tty->TS_orig_pair = "\033[0m"; |
ace28297 | 2155 | #ifdef TERMINFO |
fca177d4 KL |
2156 | tty->TS_set_foreground = "\033[3%p1%dm"; |
2157 | tty->TS_set_background = "\033[4%p1%dm"; | |
ace28297 | 2158 | #else |
fca177d4 KL |
2159 | tty->TS_set_foreground = "\033[3%dm"; |
2160 | tty->TS_set_background = "\033[4%dm"; | |
ace28297 | 2161 | #endif |
fca177d4 KL |
2162 | tty->TN_max_colors = 8; |
2163 | tty->TN_max_pairs = 64; | |
2164 | tty->TN_no_color_video = 0; | |
ace28297 EZ |
2165 | break; |
2166 | } | |
2167 | } | |
2168 | ||
2169 | void | |
d3da34e0 | 2170 | set_tty_color_mode (struct tty_display_info *tty, struct frame *f) |
ace28297 | 2171 | { |
ce5b453a | 2172 | Lisp_Object tem, val; |
9b2cd403 SM |
2173 | Lisp_Object color_mode; |
2174 | int mode; | |
9b2cd403 SM |
2175 | Lisp_Object tty_color_mode_alist |
2176 | = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil); | |
ace28297 | 2177 | |
e69b0960 | 2178 | tem = assq_no_quit (Qtty_color_mode, f->param_alist); |
9b2cd403 | 2179 | val = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2180 | |
6b61353c | 2181 | if (INTEGERP (val)) |
ace28297 | 2182 | color_mode = val; |
ce5b453a | 2183 | else if (SYMBOLP (tty_color_mode_alist)) |
ace28297 | 2184 | { |
ce5b453a | 2185 | tem = Fassq (val, Fsymbol_value (tty_color_mode_alist)); |
9b2cd403 | 2186 | color_mode = CONSP (tem) ? XCDR (tem) : Qnil; |
ace28297 | 2187 | } |
ce5b453a SM |
2188 | else |
2189 | color_mode = Qnil; | |
6b61353c | 2190 | |
d311d28c | 2191 | mode = TYPE_RANGED_INTEGERP (int, color_mode) ? XINT (color_mode) : 0; |
ace28297 | 2192 | |
9b2cd403 | 2193 | if (mode != tty->previous_color_mode) |
ace28297 | 2194 | { |
9b2cd403 SM |
2195 | tty->previous_color_mode = mode; |
2196 | tty_setup_colors (tty , mode); | |
2197 | /* This recomputes all the faces given the new color definitions. */ | |
6cd7a139 | 2198 | safe_call (1, intern ("tty-set-up-initial-frame-faces")); |
ace28297 EZ |
2199 | } |
2200 | } | |
2201 | ||
84704c5c | 2202 | #endif /* !DOS_NT */ |
a168702a GM |
2203 | |
2204 | \f | |
28d440ab | 2205 | |
6ed8eeff | 2206 | /* Return the tty display object specified by TERMINAL. */ |
b6660415 | 2207 | |
64520e5c | 2208 | static struct terminal * |
653d4f43 | 2209 | get_tty_terminal (Lisp_Object terminal, bool throw) |
b6660415 | 2210 | { |
717a00ef | 2211 | struct terminal *t = get_terminal (terminal, throw); |
62af879c | 2212 | |
84704c5c | 2213 | if (t && t->type != output_termcap && t->type != output_msdos_raw) |
717a00ef KL |
2214 | { |
2215 | if (throw) | |
2216 | error ("Device %d is not a termcap terminal device", t->id); | |
2217 | else | |
2218 | return NULL; | |
2219 | } | |
b6660415 | 2220 | |
6ed8eeff | 2221 | return t; |
b6660415 KL |
2222 | } |
2223 | ||
ab797f65 KL |
2224 | /* Return an active termcap device that uses the tty device with the |
2225 | given name. | |
b6660415 | 2226 | |
7e59217d | 2227 | This function ignores suspended devices. |
da8e1115 KL |
2228 | |
2229 | Returns NULL if the named terminal device is not opened. */ | |
f4d953fc | 2230 | |
6ed8eeff | 2231 | struct terminal * |
8ea90aa3 | 2232 | get_named_tty (const char *name) |
28d440ab | 2233 | { |
6ed8eeff KL |
2234 | struct terminal *t; |
2235 | ||
ab797f65 | 2236 | if (!name) |
1088b922 | 2237 | emacs_abort (); |
ab797f65 KL |
2238 | |
2239 | for (t = terminal_list; t; t = t->next_terminal) | |
2240 | { | |
5cc67f65 | 2241 | if ((t->type == output_termcap || t->type == output_msdos_raw) |
ab797f65 KL |
2242 | && !strcmp (t->display_info.tty->name, name) |
2243 | && TERMINAL_ACTIVE_P (t)) | |
2244 | return t; | |
2245 | } | |
28d440ab KL |
2246 | |
2247 | return 0; | |
2248 | } | |
2249 | ||
2250 | \f | |
a7ca3326 | 2251 | DEFUN ("tty-type", Ftty_type, Stty_type, 0, 1, 0, |
6ed8eeff | 2252 | doc: /* Return the type of the tty device that TERMINAL uses. |
ab797f65 | 2253 | Returns nil if TERMINAL is not on a tty device. |
a3fbb897 | 2254 | |
401e9e57 CY |
2255 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2256 | selected frame's terminal). */) | |
5842a27b | 2257 | (Lisp_Object terminal) |
b6660415 | 2258 | { |
6ed8eeff | 2259 | struct terminal *t = get_terminal (terminal, 1); |
819b8f00 | 2260 | |
84704c5c | 2261 | if (t->type != output_termcap && t->type != output_msdos_raw) |
ab797f65 KL |
2262 | return Qnil; |
2263 | ||
6ed8eeff KL |
2264 | if (t->display_info.tty->type) |
2265 | return build_string (t->display_info.tty->type); | |
819b8f00 KL |
2266 | else |
2267 | return Qnil; | |
2268 | } | |
2269 | ||
6ed8eeff | 2270 | DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0, |
84704c5c | 2271 | doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process. |
a3fbb897 | 2272 | |
401e9e57 CY |
2273 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
2274 | selected frame's terminal). This function always returns nil if | |
2275 | TERMINAL is not on a tty device. */) | |
5842a27b | 2276 | (Lisp_Object terminal) |
4a933ef8 | 2277 | { |
6ed8eeff | 2278 | struct terminal *t = get_terminal (terminal, 1); |
4a933ef8 | 2279 | |
84704c5c EZ |
2280 | if ((t->type != output_termcap && t->type != output_msdos_raw) |
2281 | || strcmp (t->display_info.tty->name, DEV_TTY) != 0) | |
4a933ef8 KL |
2282 | return Qnil; |
2283 | else | |
2284 | return Qt; | |
2285 | } | |
2286 | ||
a3fbb897 | 2287 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 1, 0, |
6ed8eeff | 2288 | doc: /* Declare that the tty used by TERMINAL does not handle underlining. |
a3fbb897 KL |
2289 | This is used to override the terminfo data, for certain terminals that |
2290 | do not really do underlining, but say that they do. This function has | |
6ed8eeff | 2291 | no effect if used on a non-tty terminal. |
a3fbb897 | 2292 | |
401e9e57 CY |
2293 | TERMINAL can be a terminal object, a frame or nil (meaning the |
2294 | selected frame's terminal). This function always returns nil if | |
c6bf3022 | 2295 | TERMINAL does not refer to a text terminal. */) |
5842a27b | 2296 | (Lisp_Object terminal) |
a3fbb897 | 2297 | { |
6ed8eeff | 2298 | struct terminal *t = get_terminal (terminal, 1); |
a3fbb897 | 2299 | |
6ed8eeff KL |
2300 | if (t->type == output_termcap) |
2301 | t->display_info.tty->TS_enter_underline_mode = 0; | |
a3fbb897 KL |
2302 | return Qnil; |
2303 | } | |
2304 | ||
c6bf3022 CY |
2305 | DEFUN ("tty-top-frame", Ftty_top_frame, Stty_top_frame, 0, 1, 0, |
2306 | doc: /* Return the topmost terminal frame on TERMINAL. | |
2307 | TERMINAL can be a terminal object, a frame or nil (meaning the | |
2308 | selected frame's terminal). This function returns nil if TERMINAL | |
2309 | does not refer to a text terminal. Otherwise, it returns the | |
2310 | top-most frame on the text terminal. */) | |
2311 | (Lisp_Object terminal) | |
2312 | { | |
2313 | struct terminal *t = get_terminal (terminal, 1); | |
2314 | ||
2315 | if (t->type == output_termcap) | |
2316 | return t->display_info.tty->top_frame; | |
2317 | return Qnil; | |
2318 | } | |
2319 | ||
ed8dad6b KL |
2320 | \f |
2321 | ||
2322 | DEFUN ("suspend-tty", Fsuspend_tty, Ssuspend_tty, 0, 1, 0, | |
2323 | doc: /* Suspend the terminal device TTY. | |
2324 | ||
2325 | The device is restored to its default state, and Emacs ceases all | |
2326 | access to the tty device. Frames that use the device are not deleted, | |
2327 | but input is not read from them and if they change, their display is | |
2328 | not updated. | |
2329 | ||
401e9e57 CY |
2330 | TTY may be a terminal object, a frame, or nil for the terminal device |
2331 | of the currently selected frame. | |
ed8dad6b | 2332 | |
e4019195 | 2333 | This function runs `suspend-tty-functions' after suspending the |
ed8dad6b KL |
2334 | device. The functions are run with one arg, the id of the suspended |
2335 | terminal device. | |
2336 | ||
2337 | `suspend-tty' does nothing if it is called on a device that is already | |
2338 | suspended. | |
2339 | ||
2340 | A suspended tty may be resumed by calling `resume-tty' on it. */) | |
5842a27b | 2341 | (Lisp_Object tty) |
ed8dad6b | 2342 | { |
717a00ef | 2343 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b | 2344 | FILE *f; |
f4d953fc | 2345 | |
6ed8eeff | 2346 | if (!t) |
ed8dad6b KL |
2347 | error ("Unknown tty device"); |
2348 | ||
6ed8eeff | 2349 | f = t->display_info.tty->input; |
f4d953fc | 2350 | |
ed8dad6b KL |
2351 | if (f) |
2352 | { | |
23d4cba5 DN |
2353 | /* First run `suspend-tty-functions' and then clean up the tty |
2354 | state because `suspend-tty-functions' might need to change | |
2355 | the tty state. */ | |
dee091a3 JD |
2356 | Lisp_Object args[2]; |
2357 | args[0] = intern ("suspend-tty-functions"); | |
2358 | XSETTERMINAL (args[1], t); | |
2359 | Frun_hook_with_args (2, args); | |
23d4cba5 | 2360 | |
6ed8eeff | 2361 | reset_sys_modes (t->display_info.tty); |
ed8dad6b | 2362 | delete_keyboard_wait_descriptor (fileno (f)); |
f4d953fc | 2363 | |
84704c5c | 2364 | #ifndef MSDOS |
ed8dad6b | 2365 | fclose (f); |
6ed8eeff KL |
2366 | if (f != t->display_info.tty->output) |
2367 | fclose (t->display_info.tty->output); | |
84704c5c | 2368 | #endif |
f4d953fc | 2369 | |
6ed8eeff KL |
2370 | t->display_info.tty->input = 0; |
2371 | t->display_info.tty->output = 0; | |
ed8dad6b | 2372 | |
6ed8eeff | 2373 | if (FRAMEP (t->display_info.tty->top_frame)) |
edfa7fa0 | 2374 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 0); |
f4d953fc | 2375 | |
ed8dad6b KL |
2376 | } |
2377 | ||
4a665758 KL |
2378 | /* Clear display hooks to prevent further output. */ |
2379 | clear_tty_hooks (t); | |
2380 | ||
ed8dad6b KL |
2381 | return Qnil; |
2382 | } | |
2383 | ||
2384 | DEFUN ("resume-tty", Fresume_tty, Sresume_tty, 0, 1, 0, | |
2385 | doc: /* Resume the previously suspended terminal device TTY. | |
2386 | The terminal is opened and reinitialized. Frames that are on the | |
6ed8eeff | 2387 | suspended terminal are revived. |
ed8dad6b | 2388 | |
6ed8eeff KL |
2389 | It is an error to resume a terminal while another terminal is active |
2390 | on the same device. | |
ed8dad6b | 2391 | |
e4019195 | 2392 | This function runs `resume-tty-functions' after resuming the terminal. |
6ed8eeff | 2393 | The functions are run with one arg, the id of the resumed terminal |
ed8dad6b KL |
2394 | device. |
2395 | ||
2396 | `resume-tty' does nothing if it is called on a device that is not | |
2397 | suspended. | |
2398 | ||
401e9e57 CY |
2399 | TTY may be a terminal object, a frame, or nil (meaning the selected |
2400 | frame's terminal). */) | |
5842a27b | 2401 | (Lisp_Object tty) |
ed8dad6b | 2402 | { |
717a00ef | 2403 | struct terminal *t = get_tty_terminal (tty, 1); |
ed8dad6b KL |
2404 | int fd; |
2405 | ||
6ed8eeff | 2406 | if (!t) |
ed8dad6b KL |
2407 | error ("Unknown tty device"); |
2408 | ||
6ed8eeff | 2409 | if (!t->display_info.tty->input) |
ed8dad6b | 2410 | { |
6ed8eeff | 2411 | if (get_named_tty (t->display_info.tty->name)) |
ed8dad6b KL |
2412 | error ("Cannot resume display while another display is active on the same device"); |
2413 | ||
84704c5c EZ |
2414 | #ifdef MSDOS |
2415 | t->display_info.tty->output = stdout; | |
2416 | t->display_info.tty->input = stdin; | |
2417 | #else /* !MSDOS */ | |
6ed8eeff | 2418 | fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0); |
ef30e638 PE |
2419 | t->display_info.tty->input = t->display_info.tty->output |
2420 | = fd < 0 ? 0 : fdopen (fd, "w+"); | |
ed8dad6b | 2421 | |
ef30e638 PE |
2422 | if (! t->display_info.tty->input) |
2423 | { | |
2424 | int open_errno = errno; | |
2425 | emacs_close (fd); | |
2426 | report_file_errno ("Cannot reopen tty device", | |
2427 | build_string (t->display_info.tty->name), | |
2428 | open_errno); | |
2429 | } | |
ed8dad6b | 2430 | |
b8956427 | 2431 | if (!O_IGNORE_CTTY && strcmp (t->display_info.tty->name, DEV_TTY) != 0) |
59b3194c | 2432 | dissociate_if_controlling_tty (fd); |
84704c5c | 2433 | #endif |
78048085 | 2434 | |
ed8dad6b KL |
2435 | add_keyboard_wait_descriptor (fd); |
2436 | ||
6ed8eeff | 2437 | if (FRAMEP (t->display_info.tty->top_frame)) |
db878925 DN |
2438 | { |
2439 | struct frame *f = XFRAME (t->display_info.tty->top_frame); | |
2440 | int width, height; | |
2441 | int old_height = FRAME_COLS (f); | |
2442 | int old_width = FRAME_LINES (f); | |
2443 | ||
2444 | /* Check if terminal/window size has changed while the frame | |
2445 | was suspended. */ | |
2446 | get_tty_size (fileno (t->display_info.tty->input), &width, &height); | |
2447 | if (width != old_width || height != old_height) | |
2448 | change_frame_size (f, height, width, 0, 0, 0); | |
edfa7fa0 | 2449 | SET_FRAME_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1); |
db878925 | 2450 | } |
ed8dad6b | 2451 | |
04f2d78b | 2452 | set_tty_hooks (t); |
6ed8eeff | 2453 | init_sys_modes (t->display_info.tty); |
ed8dad6b | 2454 | |
dee091a3 JD |
2455 | { |
2456 | /* Run `resume-tty-functions'. */ | |
2457 | Lisp_Object args[2]; | |
2458 | args[0] = intern ("resume-tty-functions"); | |
2459 | XSETTERMINAL (args[1], t); | |
2460 | Frun_hook_with_args (2, args); | |
2461 | } | |
ed8dad6b KL |
2462 | } |
2463 | ||
4a665758 KL |
2464 | set_tty_hooks (t); |
2465 | ||
ed8dad6b KL |
2466 | return Qnil; |
2467 | } | |
a3fbb897 | 2468 | |
819b8f00 | 2469 | \f |
e882229c NR |
2470 | /*********************************************************************** |
2471 | Mouse | |
2472 | ***********************************************************************/ | |
2473 | ||
7e5a23bd | 2474 | #ifdef HAVE_GPM |
64520e5c PE |
2475 | |
2476 | #ifndef HAVE_WINDOW_SYSTEM | |
5faa03ba RS |
2477 | void |
2478 | term_mouse_moveto (int x, int y) | |
94da14a0 | 2479 | { |
1ec5dc77 | 2480 | /* TODO: how to set mouse position? |
94da14a0 NR |
2481 | const char *name; |
2482 | int fd; | |
2483 | name = (const char *) ttyname (0); | |
406af475 | 2484 | fd = emacs_open (name, O_WRONLY, 0); |
80fb2ce0 | 2485 | SOME_FUNCTION (x, y, fd); |
bacba3c2 | 2486 | emacs_close (fd); |
94da14a0 | 2487 | last_mouse_x = x; |
80fb2ce0 | 2488 | last_mouse_y = y; */ |
94da14a0 | 2489 | } |
64520e5c | 2490 | #endif /* HAVE_WINDOW_SYSTEM */ |
94da14a0 | 2491 | |
cf482c50 EZ |
2492 | /* Implementation of draw_row_with_mouse_face for TTY/GPM. */ |
2493 | void | |
2494 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
2495 | int start_hpos, int end_hpos, | |
2496 | enum draw_glyphs_face draw) | |
e882229c | 2497 | { |
cf482c50 EZ |
2498 | int nglyphs = end_hpos - start_hpos; |
2499 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
7be1c21a | 2500 | struct tty_display_info *tty = FRAME_TTY (f); |
cf482c50 EZ |
2501 | int face_id = tty->mouse_highlight.mouse_face_face_id; |
2502 | int save_x, save_y, pos_x, pos_y; | |
7be1c21a | 2503 | |
cf482c50 EZ |
2504 | if (end_hpos >= row->used[TEXT_AREA]) |
2505 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
e882229c | 2506 | |
cf482c50 EZ |
2507 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); |
2508 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
e882229c | 2509 | |
cf482c50 EZ |
2510 | /* Save current cursor co-ordinates. */ |
2511 | save_y = curY (tty); | |
2512 | save_x = curX (tty); | |
2513 | cursor_to (f, pos_y, pos_x); | |
e882229c | 2514 | |
cf482c50 EZ |
2515 | if (draw == DRAW_MOUSE_FACE) |
2516 | tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos, | |
2517 | nglyphs, face_id); | |
2518 | else if (draw == DRAW_NORMAL_TEXT) | |
2519 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
e882229c | 2520 | |
cf482c50 | 2521 | cursor_to (f, save_y, save_x); |
e882229c NR |
2522 | } |
2523 | ||
653d4f43 | 2524 | static bool |
a10c8269 | 2525 | term_mouse_movement (struct frame *frame, Gpm_Event *event) |
e882229c NR |
2526 | { |
2527 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2528 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2529 | { | |
2530 | frame->mouse_moved = 1; | |
cf482c50 | 2531 | note_mouse_highlight (frame, event->x, event->y); |
e882229c NR |
2532 | /* Remember which glyph we're now on. */ |
2533 | last_mouse_x = event->x; | |
2534 | last_mouse_y = event->y; | |
2535 | return 1; | |
2536 | } | |
2537 | return 0; | |
2538 | } | |
2539 | ||
d35af63c PE |
2540 | /* Return the Time that corresponds to T. Wrap around on overflow. */ |
2541 | static Time | |
2542 | timeval_to_Time (struct timeval const *t) | |
2543 | { | |
2544 | Time s_1000, ms; | |
2545 | ||
2546 | s_1000 = t->tv_sec; | |
2547 | s_1000 *= 1000; | |
2548 | ms = t->tv_usec / 1000; | |
2549 | return s_1000 + ms; | |
2550 | } | |
2551 | ||
e882229c NR |
2552 | /* Return the current position of the mouse. |
2553 | ||
2554 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2555 | Emacs frame. If it is set to zero, all the other arguments are | |
2556 | garbage. | |
2557 | ||
2558 | Set *bar_window to Qnil, and *x and *y to the column and | |
2559 | row of the character cell the mouse is over. | |
2560 | ||
7f3f1250 | 2561 | Set *timeptr to the time the mouse was at the returned position. |
e882229c | 2562 | |
80fb2ce0 | 2563 | This clears mouse_moved until the next motion |
94da14a0 | 2564 | event arrives. */ |
e882229c | 2565 | static void |
a10c8269 | 2566 | term_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window, |
e882229c | 2567 | enum scroll_bar_part *part, Lisp_Object *x, |
08dc5ae6 | 2568 | Lisp_Object *y, Time *timeptr) |
e882229c | 2569 | { |
e882229c | 2570 | struct timeval now; |
e882229c NR |
2571 | |
2572 | *fp = SELECTED_FRAME (); | |
94da14a0 | 2573 | (*fp)->mouse_moved = 0; |
e882229c NR |
2574 | |
2575 | *bar_window = Qnil; | |
2576 | *part = 0; | |
2577 | ||
80fb2ce0 | 2578 | XSETINT (*x, last_mouse_x); |
94da14a0 | 2579 | XSETINT (*y, last_mouse_y); |
e882229c | 2580 | gettimeofday(&now, 0); |
d35af63c | 2581 | *timeptr = timeval_to_Time (&now); |
e882229c NR |
2582 | } |
2583 | ||
2584 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2585 | ||
2586 | If the event is a button press, then note that we have grabbed | |
2587 | the mouse. */ | |
2588 | ||
2589 | static Lisp_Object | |
2590 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2591 | struct frame *f) | |
2592 | { | |
2593 | struct timeval now; | |
2594 | int i, j; | |
2595 | ||
2596 | result->kind = GPM_CLICK_EVENT; | |
2597 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2598 | { | |
2599 | if (event->buttons & j) { | |
2600 | result->code = i; /* button number */ | |
2601 | break; | |
2602 | } | |
2603 | } | |
2604 | gettimeofday(&now, 0); | |
d35af63c | 2605 | result->timestamp = timeval_to_Time (&now); |
e882229c NR |
2606 | |
2607 | if (event->type & GPM_UP) | |
2608 | result->modifiers = up_modifier; | |
2609 | else if (event->type & GPM_DOWN) | |
2610 | result->modifiers = down_modifier; | |
2611 | else | |
2612 | result->modifiers = 0; | |
f4d953fc | 2613 | |
e882229c NR |
2614 | if (event->type & GPM_SINGLE) |
2615 | result->modifiers |= click_modifier; | |
f4d953fc | 2616 | |
e882229c NR |
2617 | if (event->type & GPM_DOUBLE) |
2618 | result->modifiers |= double_modifier; | |
2619 | ||
2620 | if (event->type & GPM_TRIPLE) | |
2621 | result->modifiers |= triple_modifier; | |
2622 | ||
2623 | if (event->type & GPM_DRAG) | |
2624 | result->modifiers |= drag_modifier; | |
2625 | ||
80fb2ce0 | 2626 | if (!(event->type & (GPM_MOVE | GPM_DRAG))) { |
e882229c NR |
2627 | |
2628 | /* 1 << KG_SHIFT */ | |
2629 | if (event->modifiers & (1 << 0)) | |
2630 | result->modifiers |= shift_modifier; | |
2631 | ||
2632 | /* 1 << KG_CTRL */ | |
2633 | if (event->modifiers & (1 << 2)) | |
2634 | result->modifiers |= ctrl_modifier; | |
2635 | ||
2636 | /* 1 << KG_ALT || KG_ALTGR */ | |
2637 | if (event->modifiers & (1 << 3) | |
2638 | || event->modifiers & (1 << 1)) | |
2639 | result->modifiers |= meta_modifier; | |
2640 | } | |
2641 | ||
80fb2ce0 NR |
2642 | XSETINT (result->x, event->x); |
2643 | XSETINT (result->y, event->y); | |
e882229c NR |
2644 | XSETFRAME (result->frame_or_window, f); |
2645 | result->arg = Qnil; | |
2646 | return Qnil; | |
2647 | } | |
2648 | ||
f4d953fc | 2649 | int |
7be1c21a | 2650 | handle_one_term_event (struct tty_display_info *tty, Gpm_Event *event, struct input_event* hold_quit) |
e882229c | 2651 | { |
7be1c21a | 2652 | struct frame *f = XFRAME (tty->top_frame); |
e882229c | 2653 | struct input_event ie; |
653d4f43 | 2654 | bool do_help = 0; |
e882229c NR |
2655 | int count = 0; |
2656 | ||
2657 | EVENT_INIT (ie); | |
2658 | ie.kind = NO_EVENT; | |
2659 | ie.arg = Qnil; | |
2660 | ||
80fb2ce0 | 2661 | if (event->type & (GPM_MOVE | GPM_DRAG)) { |
e882229c NR |
2662 | previous_help_echo_string = help_echo_string; |
2663 | help_echo_string = Qnil; | |
2664 | ||
6178ce5e | 2665 | Gpm_DrawPointer (event->x, event->y, fileno (tty->output)); |
e882229c | 2666 | |
80fb2ce0 NR |
2667 | if (!term_mouse_movement (f, event)) |
2668 | help_echo_string = previous_help_echo_string; | |
e882229c NR |
2669 | |
2670 | /* If the contents of the global variable help_echo_string | |
2671 | has changed, generate a HELP_EVENT. */ | |
2672 | if (!NILP (help_echo_string) | |
2673 | || !NILP (previous_help_echo_string)) | |
2674 | do_help = 1; | |
2675 | ||
2676 | goto done; | |
2677 | } | |
2678 | else { | |
2679 | f->mouse_moved = 0; | |
2680 | term_mouse_click (&ie, event, f); | |
e882229c NR |
2681 | } |
2682 | ||
2683 | done: | |
2684 | if (ie.kind != NO_EVENT) | |
2685 | { | |
2686 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2687 | count++; | |
2688 | } | |
2689 | ||
2690 | if (do_help | |
2691 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2692 | { | |
2693 | Lisp_Object frame; | |
2694 | ||
2695 | if (f) | |
2696 | XSETFRAME (frame, f); | |
2697 | else | |
2698 | frame = Qnil; | |
2699 | ||
2700 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2701 | help_echo_object, help_echo_pos); | |
2702 | count++; | |
2703 | } | |
2704 | ||
2705 | return count; | |
2706 | } | |
2707 | ||
6178ce5e | 2708 | DEFUN ("gpm-mouse-start", Fgpm_mouse_start, Sgpm_mouse_start, |
e882229c | 2709 | 0, 0, 0, |
71f44e7a | 2710 | doc: /* Open a connection to Gpm. |
6178ce5e | 2711 | Gpm-mouse can only be activated for one tty at a time. */) |
5842a27b | 2712 | (void) |
e882229c | 2713 | { |
71f44e7a SM |
2714 | struct frame *f = SELECTED_FRAME (); |
2715 | struct tty_display_info *tty | |
2716 | = ((f)->output_method == output_termcap | |
2717 | ? (f)->terminal->display_info.tty : NULL); | |
e882229c NR |
2718 | Gpm_Connect connection; |
2719 | ||
6178ce5e SM |
2720 | if (!tty) |
2721 | error ("Gpm-mouse only works in the GNU/Linux console"); | |
4ce5ab77 SM |
2722 | if (gpm_tty == tty) |
2723 | return Qnil; /* Already activated, nothing to do. */ | |
2724 | if (gpm_tty) | |
2725 | error ("Gpm-mouse can only be activated for one tty at a time"); | |
71f44e7a | 2726 | |
e882229c NR |
2727 | connection.eventMask = ~0; |
2728 | connection.defaultMask = ~GPM_HARD; | |
2729 | connection.maxMod = ~0; | |
2730 | connection.minMod = 0; | |
80fb2ce0 | 2731 | gpm_zerobased = 1; |
e882229c NR |
2732 | |
2733 | if (Gpm_Open (&connection, 0) < 0) | |
6178ce5e | 2734 | error ("Gpm-mouse failed to connect to the gpm daemon"); |
e882229c NR |
2735 | else |
2736 | { | |
71f44e7a | 2737 | gpm_tty = tty; |
1023cbed SM |
2738 | /* `init_sys_modes' arranges for mouse movements sent through gpm_fd |
2739 | to generate SIGIOs. Apparently we need to call reset_sys_modes | |
2740 | before calling init_sys_modes. */ | |
7be1c21a MB |
2741 | reset_sys_modes (tty); |
2742 | init_sys_modes (tty); | |
e882229c | 2743 | add_gpm_wait_descriptor (gpm_fd); |
6178ce5e | 2744 | return Qnil; |
e882229c NR |
2745 | } |
2746 | } | |
2747 | ||
ed5ff21d | 2748 | void |
d347e494 | 2749 | close_gpm (int fd) |
ed5ff21d | 2750 | { |
d347e494 SM |
2751 | if (fd >= 0) |
2752 | delete_gpm_wait_descriptor (fd); | |
ed5ff21d SM |
2753 | while (Gpm_Close()); /* close all the stack */ |
2754 | gpm_tty = NULL; | |
2755 | } | |
2756 | ||
6178ce5e | 2757 | DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop, |
e882229c NR |
2758 | 0, 0, 0, |
2759 | doc: /* Close a connection to Gpm. */) | |
5842a27b | 2760 | (void) |
e882229c | 2761 | { |
4ce5ab77 SM |
2762 | struct frame *f = SELECTED_FRAME (); |
2763 | struct tty_display_info *tty | |
2764 | = ((f)->output_method == output_termcap | |
2765 | ? (f)->terminal->display_info.tty : NULL); | |
2766 | ||
2767 | if (!tty || gpm_tty != tty) | |
2768 | return Qnil; /* Not activated on this terminal, nothing to do. */ | |
f4d953fc | 2769 | |
d347e494 | 2770 | close_gpm (gpm_fd); |
6178ce5e | 2771 | return Qnil; |
e882229c | 2772 | } |
7e5a23bd | 2773 | #endif /* HAVE_GPM */ |
e882229c NR |
2774 | |
2775 | \f | |
89ba96f4 | 2776 | #ifndef MSDOS |
a168702a GM |
2777 | /*********************************************************************** |
2778 | Initialization | |
2779 | ***********************************************************************/ | |
2780 | ||
ed8dad6b KL |
2781 | /* Initialize the tty-dependent part of frame F. The frame must |
2782 | already have its device initialized. */ | |
3224dac1 | 2783 | |
dfcf069d | 2784 | void |
ed8dad6b | 2785 | create_tty_output (struct frame *f) |
28d440ab | 2786 | { |
38182d90 | 2787 | struct tty_output *t = xzalloc (sizeof *t); |
ed8dad6b KL |
2788 | |
2789 | if (! FRAME_TERMCAP_P (f)) | |
1088b922 | 2790 | emacs_abort (); |
428a555e | 2791 | |
6ed8eeff | 2792 | t->display_info = FRAME_TERMINAL (f)->display_info.tty; |
bedb9c0e | 2793 | |
ed8dad6b | 2794 | f->output_data.tty = t; |
3224dac1 KL |
2795 | } |
2796 | ||
9f215d25 | 2797 | /* Delete frame F's face cache, and its tty-dependent part. */ |
da8e1115 | 2798 | |
ed8dad6b | 2799 | static void |
9f215d25 | 2800 | tty_free_frame_resources (struct frame *f) |
3224dac1 | 2801 | { |
ed8dad6b | 2802 | if (! FRAME_TERMCAP_P (f)) |
1088b922 | 2803 | emacs_abort (); |
3224dac1 | 2804 | |
9f215d25 CY |
2805 | if (FRAME_FACE_CACHE (f)) |
2806 | free_frame_faces (f); | |
2807 | ||
ed8dad6b | 2808 | xfree (f->output_data.tty); |
28d440ab KL |
2809 | } |
2810 | ||
89ba96f4 EZ |
2811 | #else /* MSDOS */ |
2812 | ||
2813 | /* Delete frame F's face cache. */ | |
2814 | ||
2815 | static void | |
2816 | tty_free_frame_resources (struct frame *f) | |
2817 | { | |
2818 | if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f)) | |
1088b922 | 2819 | emacs_abort (); |
89ba96f4 EZ |
2820 | |
2821 | if (FRAME_FACE_CACHE (f)) | |
2822 | free_frame_faces (f); | |
2823 | } | |
2824 | #endif /* MSDOS */ | |
ed8dad6b | 2825 | \f |
47cc8819 | 2826 | /* Reset the hooks in TERMINAL. */ |
ed8dad6b | 2827 | |
4a665758 KL |
2828 | static void |
2829 | clear_tty_hooks (struct terminal *terminal) | |
2830 | { | |
2831 | terminal->rif = 0; | |
2832 | terminal->cursor_to_hook = 0; | |
2833 | terminal->raw_cursor_to_hook = 0; | |
2834 | terminal->clear_to_end_hook = 0; | |
2835 | terminal->clear_frame_hook = 0; | |
2836 | terminal->clear_end_of_line_hook = 0; | |
2837 | terminal->ins_del_lines_hook = 0; | |
2838 | terminal->insert_glyphs_hook = 0; | |
2839 | terminal->write_glyphs_hook = 0; | |
2840 | terminal->delete_glyphs_hook = 0; | |
2841 | terminal->ring_bell_hook = 0; | |
2842 | terminal->reset_terminal_modes_hook = 0; | |
2843 | terminal->set_terminal_modes_hook = 0; | |
2844 | terminal->update_begin_hook = 0; | |
2845 | terminal->update_end_hook = 0; | |
2846 | terminal->set_terminal_window_hook = 0; | |
2847 | terminal->mouse_position_hook = 0; | |
2848 | terminal->frame_rehighlight_hook = 0; | |
2849 | terminal->frame_raise_lower_hook = 0; | |
974b73e8 | 2850 | terminal->fullscreen_hook = 0; |
4a665758 KL |
2851 | terminal->set_vertical_scroll_bar_hook = 0; |
2852 | terminal->condemn_scroll_bars_hook = 0; | |
2853 | terminal->redeem_scroll_bar_hook = 0; | |
2854 | terminal->judge_scroll_bars_hook = 0; | |
2855 | terminal->read_socket_hook = 0; | |
2856 | terminal->frame_up_to_date_hook = 0; | |
2857 | ||
2858 | /* Leave these two set, or suspended frames are not deleted | |
2859 | correctly. */ | |
9f215d25 | 2860 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2861 | terminal->delete_terminal_hook = &delete_tty; |
2862 | } | |
2863 | ||
47cc8819 DN |
2864 | /* Initialize hooks in TERMINAL with the values needed for a tty. */ |
2865 | ||
4a665758 KL |
2866 | static void |
2867 | set_tty_hooks (struct terminal *terminal) | |
2868 | { | |
2869 | terminal->rif = 0; /* ttys don't support window-based redisplay. */ | |
2870 | ||
2871 | terminal->cursor_to_hook = &tty_cursor_to; | |
2872 | terminal->raw_cursor_to_hook = &tty_raw_cursor_to; | |
2873 | ||
2874 | terminal->clear_to_end_hook = &tty_clear_to_end; | |
2875 | terminal->clear_frame_hook = &tty_clear_frame; | |
2876 | terminal->clear_end_of_line_hook = &tty_clear_end_of_line; | |
2877 | ||
2878 | terminal->ins_del_lines_hook = &tty_ins_del_lines; | |
2879 | ||
2880 | terminal->insert_glyphs_hook = &tty_insert_glyphs; | |
2881 | terminal->write_glyphs_hook = &tty_write_glyphs; | |
2882 | terminal->delete_glyphs_hook = &tty_delete_glyphs; | |
2883 | ||
2884 | terminal->ring_bell_hook = &tty_ring_bell; | |
f4d953fc | 2885 | |
4a665758 KL |
2886 | terminal->reset_terminal_modes_hook = &tty_reset_terminal_modes; |
2887 | terminal->set_terminal_modes_hook = &tty_set_terminal_modes; | |
2888 | terminal->update_begin_hook = 0; /* Not needed. */ | |
2889 | terminal->update_end_hook = &tty_update_end; | |
2890 | terminal->set_terminal_window_hook = &tty_set_terminal_window; | |
2891 | ||
2892 | terminal->mouse_position_hook = 0; /* Not needed. */ | |
2893 | terminal->frame_rehighlight_hook = 0; /* Not needed. */ | |
2894 | terminal->frame_raise_lower_hook = 0; /* Not needed. */ | |
2895 | ||
2896 | terminal->set_vertical_scroll_bar_hook = 0; /* Not needed. */ | |
2897 | terminal->condemn_scroll_bars_hook = 0; /* Not needed. */ | |
2898 | terminal->redeem_scroll_bar_hook = 0; /* Not needed. */ | |
2899 | terminal->judge_scroll_bars_hook = 0; /* Not needed. */ | |
2900 | ||
2901 | terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */ | |
2902 | terminal->frame_up_to_date_hook = 0; /* Not needed. */ | |
f4d953fc | 2903 | |
9f215d25 | 2904 | terminal->delete_frame_hook = &tty_free_frame_resources; |
4a665758 KL |
2905 | terminal->delete_terminal_hook = &delete_tty; |
2906 | } | |
2907 | ||
b8956427 | 2908 | /* If FD is the controlling terminal, drop it. */ |
ed8dad6b | 2909 | static void |
03a1d6bd KL |
2910 | dissociate_if_controlling_tty (int fd) |
2911 | { | |
b8956427 PE |
2912 | /* If tcgetpgrp succeeds, fd is the controlling terminal, |
2913 | so dissociate it by invoking setsid. */ | |
908589fd | 2914 | if (tcgetpgrp (fd) >= 0 && setsid () < 0) |
b8956427 PE |
2915 | { |
2916 | #ifdef TIOCNOTTY | |
2917 | /* setsid failed, presumably because Emacs is already a process | |
2918 | group leader. Fall back on the obsolescent way to dissociate | |
2919 | a controlling tty. */ | |
2920 | block_tty_out_signal (); | |
2921 | ioctl (fd, TIOCNOTTY, 0); | |
2922 | unblock_tty_out_signal (); | |
2923 | #endif | |
2924 | } | |
03a1d6bd KL |
2925 | } |
2926 | ||
3224dac1 KL |
2927 | /* Create a termcap display on the tty device with the given name and |
2928 | type. | |
2929 | ||
ab797f65 | 2930 | If NAME is NULL, then use the controlling tty, i.e., "/dev/tty". |
3224dac1 KL |
2931 | Otherwise NAME should be a path to the tty device file, |
2932 | e.g. "/dev/pts/7". | |
28d440ab | 2933 | |
3224dac1 KL |
2934 | TERMINAL_TYPE is the termcap type of the device, e.g. "vt100". |
2935 | ||
a104f656 | 2936 | If MUST_SUCCEED is true, then all errors are fatal. */ |
da8e1115 | 2937 | |
6ed8eeff | 2938 | struct terminal * |
653d4f43 | 2939 | init_tty (const char *name, const char *terminal_type, bool must_succeed) |
08a24c47 | 2940 | { |
59b3194c | 2941 | char *area = NULL; |
08a24c47 | 2942 | char **address = &area; |
6b61353c | 2943 | int buffer_size = 4096; |
08a24c47 | 2944 | int status; |
59b3194c KL |
2945 | struct tty_display_info *tty = NULL; |
2946 | struct terminal *terminal = NULL; | |
a104f656 | 2947 | bool ctty = false; /* True if asked to open controlling tty. */ |
28d440ab | 2948 | |
3224dac1 | 2949 | if (!terminal_type) |
d31eee5e | 2950 | maybe_fatal (must_succeed, 0, |
3224dac1 KL |
2951 | "Unknown terminal type", |
2952 | "Unknown terminal type"); | |
b6660415 | 2953 | |
ab797f65 | 2954 | if (name == NULL) |
78048085 EZ |
2955 | name = DEV_TTY; |
2956 | if (!strcmp (name, DEV_TTY)) | |
ab797f65 KL |
2957 | ctty = 1; |
2958 | ||
6ed8eeff KL |
2959 | /* If we already have a terminal on the given device, use that. If |
2960 | all such terminals are suspended, create a new one instead. */ | |
a4c6993d | 2961 | /* XXX Perhaps this should be made explicit by having init_tty |
6ed8eeff | 2962 | always create a new terminal and separating terminal and frame |
b6660415 | 2963 | creation on Lisp level. */ |
6ed8eeff KL |
2964 | terminal = get_named_tty (name); |
2965 | if (terminal) | |
2966 | return terminal; | |
78048085 | 2967 | |
6ed8eeff | 2968 | terminal = create_terminal (); |
84704c5c EZ |
2969 | #ifdef MSDOS |
2970 | if (been_here > 0) | |
762b15be | 2971 | maybe_fatal (0, 0, "Attempt to create another terminal %s", "", |
84704c5c EZ |
2972 | name, ""); |
2973 | been_here = 1; | |
2974 | tty = &the_only_display_info; | |
2975 | #else | |
38182d90 | 2976 | tty = xzalloc (sizeof *tty); |
84704c5c | 2977 | #endif |
c650a5de | 2978 | tty->top_frame = Qnil; |
3224dac1 KL |
2979 | tty->next = tty_list; |
2980 | tty_list = tty; | |
428a555e | 2981 | |
6ed8eeff KL |
2982 | terminal->type = output_termcap; |
2983 | terminal->display_info.tty = tty; | |
2984 | tty->terminal = terminal; | |
28d440ab | 2985 | |
38182d90 | 2986 | tty->Wcm = xmalloc (sizeof *tty->Wcm); |
7b00d185 | 2987 | Wcm_clear (tty); |
daf01701 | 2988 | |
dce4c2ac DN |
2989 | encode_terminal_src_size = 0; |
2990 | encode_terminal_dst_size = 0; | |
2991 | ||
51b59d79 | 2992 | |
84704c5c | 2993 | #ifndef DOS_NT |
4a665758 | 2994 | set_tty_hooks (terminal); |
78048085 | 2995 | |
59b3194c | 2996 | { |
49cdacda | 2997 | /* Open the terminal device. */ |
0c72d684 | 2998 | |
49cdacda PE |
2999 | /* If !ctty, don't recognize it as our controlling terminal, and |
3000 | don't make it the controlling tty if we don't have one now. | |
3001 | ||
3002 | Alas, O_IGNORE_CTTY is a GNU extension that seems to be only | |
3003 | defined on Hurd. On other systems, we need to explicitly | |
3004 | dissociate ourselves from the controlling tty when we want to | |
3005 | open a frame on the same terminal. */ | |
3006 | int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY); | |
3007 | int fd = emacs_open (name, flags, 0); | |
ef30e638 | 3008 | tty->input = tty->output = fd < 0 || ! isatty (fd) ? 0 : fdopen (fd, "w+"); |
0c72d684 | 3009 | |
ef30e638 | 3010 | if (! tty->input) |
59b3194c | 3011 | { |
ef30e638 PE |
3012 | char const *diagnostic |
3013 | = tty->input ? "Not a tty device: %s" : "Could not open file: %s"; | |
3014 | emacs_close (fd); | |
3015 | maybe_fatal (must_succeed, terminal, diagnostic, diagnostic, name); | |
59b3194c | 3016 | } |
0c72d684 | 3017 | |
ef30e638 PE |
3018 | tty->name = xstrdup (name); |
3019 | terminal->name = xstrdup (name); | |
3020 | ||
49cdacda | 3021 | if (!O_IGNORE_CTTY && !ctty) |
03a1d6bd | 3022 | dissociate_if_controlling_tty (fd); |
59b3194c | 3023 | } |
78048085 | 3024 | |
28d7d09f | 3025 | tty->type = xstrdup (terminal_type); |
28d440ab | 3026 | |
819b8f00 | 3027 | add_keyboard_wait_descriptor (fileno (tty->input)); |
08a24c47 | 3028 | |
6548cf00 | 3029 | Wcm_clear (tty); |
08a24c47 | 3030 | |
23f86fce | 3031 | tty->termcap_term_buffer = xmalloc (buffer_size); |
78048085 | 3032 | |
03a1d6bd | 3033 | /* On some systems, tgetent tries to access the controlling |
a104f656 | 3034 | terminal. */ |
b8956427 PE |
3035 | block_tty_out_signal (); |
3036 | status = tgetent (tty->termcap_term_buffer, terminal_type); | |
3037 | unblock_tty_out_signal (); | |
78048085 | 3038 | |
08a24c47 | 3039 | if (status < 0) |
b0347178 KH |
3040 | { |
3041 | #ifdef TERMINFO | |
d31eee5e | 3042 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3043 | "Cannot open terminfo database file", |
3044 | "Cannot open terminfo database file"); | |
b0347178 | 3045 | #else |
d31eee5e | 3046 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3047 | "Cannot open termcap database file", |
3048 | "Cannot open termcap database file"); | |
b0347178 KH |
3049 | #endif |
3050 | } | |
08a24c47 | 3051 | if (status == 0) |
b0347178 | 3052 | { |
d31eee5e | 3053 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3054 | "Terminal type %s is not defined", |
3055 | "Terminal type %s is not defined.\n\ | |
b0347178 KH |
3056 | If that is not the actual type of terminal you have,\n\ |
3057 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3058 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3059 | #ifdef TERMINFO | |
3060 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
b0347178 | 3061 | #else |
84164a0d | 3062 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 | 3063 | #endif |
84164a0d | 3064 | terminal_type); |
b0347178 | 3065 | } |
6b61353c KH |
3066 | |
3067 | #ifndef TERMINFO | |
d31eee5e | 3068 | if (strlen (tty->termcap_term_buffer) >= buffer_size) |
1088b922 | 3069 | emacs_abort (); |
d31eee5e | 3070 | buffer_size = strlen (tty->termcap_term_buffer); |
6b61353c | 3071 | #endif |
23f86fce | 3072 | tty->termcap_strings_buffer = area = xmalloc (buffer_size); |
fca177d4 KL |
3073 | tty->TS_ins_line = tgetstr ("al", address); |
3074 | tty->TS_ins_multi_lines = tgetstr ("AL", address); | |
3075 | tty->TS_bell = tgetstr ("bl", address); | |
6548cf00 | 3076 | BackTab (tty) = tgetstr ("bt", address); |
fca177d4 KL |
3077 | tty->TS_clr_to_bottom = tgetstr ("cd", address); |
3078 | tty->TS_clr_line = tgetstr ("ce", address); | |
3079 | tty->TS_clr_frame = tgetstr ("cl", address); | |
6548cf00 KL |
3080 | ColPosition (tty) = NULL; /* tgetstr ("ch", address); */ |
3081 | AbsPosition (tty) = tgetstr ("cm", address); | |
3082 | CR (tty) = tgetstr ("cr", address); | |
fca177d4 KL |
3083 | tty->TS_set_scroll_region = tgetstr ("cs", address); |
3084 | tty->TS_set_scroll_region_1 = tgetstr ("cS", address); | |
6548cf00 | 3085 | RowPosition (tty) = tgetstr ("cv", address); |
fca177d4 KL |
3086 | tty->TS_del_char = tgetstr ("dc", address); |
3087 | tty->TS_del_multi_chars = tgetstr ("DC", address); | |
3088 | tty->TS_del_line = tgetstr ("dl", address); | |
3089 | tty->TS_del_multi_lines = tgetstr ("DL", address); | |
3090 | tty->TS_delete_mode = tgetstr ("dm", address); | |
3091 | tty->TS_end_delete_mode = tgetstr ("ed", address); | |
3092 | tty->TS_end_insert_mode = tgetstr ("ei", address); | |
6548cf00 | 3093 | Home (tty) = tgetstr ("ho", address); |
fca177d4 KL |
3094 | tty->TS_ins_char = tgetstr ("ic", address); |
3095 | tty->TS_ins_multi_chars = tgetstr ("IC", address); | |
3096 | tty->TS_insert_mode = tgetstr ("im", address); | |
3097 | tty->TS_pad_inserted_char = tgetstr ("ip", address); | |
3098 | tty->TS_end_keypad_mode = tgetstr ("ke", address); | |
3099 | tty->TS_keypad_mode = tgetstr ("ks", address); | |
6548cf00 KL |
3100 | LastLine (tty) = tgetstr ("ll", address); |
3101 | Right (tty) = tgetstr ("nd", address); | |
3102 | Down (tty) = tgetstr ("do", address); | |
3103 | if (!Down (tty)) | |
a104f656 | 3104 | Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do". */ |
08a24c47 | 3105 | if (tgetflag ("bs")) |
a104f656 SM |
3106 | Left (tty) = "\b"; /* Can't possibly be longer! */ |
3107 | else /* (Actually, "bs" is obsolete...) */ | |
6548cf00 KL |
3108 | Left (tty) = tgetstr ("le", address); |
3109 | if (!Left (tty)) | |
a104f656 | 3110 | Left (tty) = tgetstr ("bc", address); /* Obsolete name for "le". */ |
fca177d4 KL |
3111 | tty->TS_pad_char = tgetstr ("pc", address); |
3112 | tty->TS_repeat = tgetstr ("rp", address); | |
3113 | tty->TS_end_standout_mode = tgetstr ("se", address); | |
3114 | tty->TS_fwd_scroll = tgetstr ("sf", address); | |
3115 | tty->TS_standout_mode = tgetstr ("so", address); | |
3116 | tty->TS_rev_scroll = tgetstr ("sr", address); | |
6548cf00 | 3117 | tty->Wcm->cm_tab = tgetstr ("ta", address); |
fca177d4 KL |
3118 | tty->TS_end_termcap_modes = tgetstr ("te", address); |
3119 | tty->TS_termcap_modes = tgetstr ("ti", address); | |
6548cf00 | 3120 | Up (tty) = tgetstr ("up", address); |
fca177d4 KL |
3121 | tty->TS_visible_bell = tgetstr ("vb", address); |
3122 | tty->TS_cursor_normal = tgetstr ("ve", address); | |
3123 | tty->TS_cursor_visible = tgetstr ("vs", address); | |
3124 | tty->TS_cursor_invisible = tgetstr ("vi", address); | |
3125 | tty->TS_set_window = tgetstr ("wi", address); | |
3126 | ||
3127 | tty->TS_enter_underline_mode = tgetstr ("us", address); | |
3128 | tty->TS_exit_underline_mode = tgetstr ("ue", address); | |
3129 | tty->TS_enter_bold_mode = tgetstr ("md", address); | |
cd4eb164 | 3130 | tty->TS_enter_italic_mode = tgetstr ("ZH", address); |
fca177d4 | 3131 | tty->TS_enter_dim_mode = tgetstr ("mh", address); |
fca177d4 KL |
3132 | tty->TS_enter_reverse_mode = tgetstr ("mr", address); |
3133 | tty->TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3134 | tty->TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3135 | tty->TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3136 | |
6548cf00 KL |
3137 | MultiUp (tty) = tgetstr ("UP", address); |
3138 | MultiDown (tty) = tgetstr ("DO", address); | |
3139 | MultiLeft (tty) = tgetstr ("LE", address); | |
3140 | MultiRight (tty) = tgetstr ("RI", address); | |
08a24c47 | 3141 | |
5c32d3f2 | 3142 | /* SVr4/ANSI color support. If "op" isn't available, don't support |
e7f90eab GM |
3143 | color because we can't switch back to the default foreground and |
3144 | background. */ | |
fca177d4 KL |
3145 | tty->TS_orig_pair = tgetstr ("op", address); |
3146 | if (tty->TS_orig_pair) | |
a168702a | 3147 | { |
fca177d4 KL |
3148 | tty->TS_set_foreground = tgetstr ("AF", address); |
3149 | tty->TS_set_background = tgetstr ("AB", address); | |
3150 | if (!tty->TS_set_foreground) | |
e7f90eab GM |
3151 | { |
3152 | /* SVr4. */ | |
fca177d4 KL |
3153 | tty->TS_set_foreground = tgetstr ("Sf", address); |
3154 | tty->TS_set_background = tgetstr ("Sb", address); | |
e7f90eab | 3155 | } |
177c0ea7 | 3156 | |
fca177d4 KL |
3157 | tty->TN_max_colors = tgetnum ("Co"); |
3158 | tty->TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3159 | |
fca177d4 KL |
3160 | tty->TN_no_color_video = tgetnum ("NC"); |
3161 | if (tty->TN_no_color_video == -1) | |
3162 | tty->TN_no_color_video = 0; | |
a168702a | 3163 | } |
a168702a | 3164 | |
fca177d4 | 3165 | tty_default_color_capabilities (tty, 1); |
ace28297 | 3166 | |
6548cf00 | 3167 | MagicWrap (tty) = tgetflag ("xn"); |
e4058338 KH |
3168 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have |
3169 | the former flag imply the latter. */ | |
6548cf00 | 3170 | AutoWrap (tty) = MagicWrap (tty) || tgetflag ("am"); |
6ed8eeff | 3171 | terminal->memory_below_frame = tgetflag ("db"); |
fca177d4 | 3172 | tty->TF_hazeltine = tgetflag ("hz"); |
6ed8eeff | 3173 | terminal->must_write_spaces = tgetflag ("in"); |
fca177d4 KL |
3174 | tty->meta_key = tgetflag ("km") || tgetflag ("MT"); |
3175 | tty->TF_insmode_motion = tgetflag ("mi"); | |
3176 | tty->TF_standout_motion = tgetflag ("ms"); | |
3177 | tty->TF_underscore = tgetflag ("ul"); | |
3178 | tty->TF_teleray = tgetflag ("xt"); | |
08a24c47 | 3179 | |
dce4c2ac DN |
3180 | #else /* DOS_NT */ |
3181 | #ifdef WINDOWSNT | |
3182 | { | |
3183 | struct frame *f = XFRAME (selected_frame); | |
9337e206 | 3184 | int height, width; |
dce4c2ac | 3185 | |
9337e206 | 3186 | initialize_w32_display (terminal, &width, &height); |
dce4c2ac | 3187 | |
9337e206 EZ |
3188 | FrameRows (tty) = height; |
3189 | FrameCols (tty) = width; | |
3190 | tty->specified_window = height; | |
dce4c2ac | 3191 | |
dce4c2ac DN |
3192 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none; |
3193 | terminal->char_ins_del_ok = 1; | |
3194 | baud_rate = 19200; | |
3195 | } | |
3196 | #else /* MSDOS */ | |
3197 | { | |
3198 | int height, width; | |
3199 | if (strcmp (terminal_type, "internal") == 0) | |
3200 | terminal->type = output_msdos_raw; | |
3201 | initialize_msdos_display (terminal); | |
3202 | ||
3203 | get_tty_size (fileno (tty->input), &width, &height); | |
3204 | FrameCols (tty) = width; | |
3205 | FrameRows (tty) = height; | |
3206 | terminal->char_ins_del_ok = 0; | |
3207 | init_baud_rate (fileno (tty->input)); | |
3208 | } | |
3209 | #endif /* MSDOS */ | |
3210 | tty->output = stdout; | |
3211 | tty->input = stdin; | |
3212 | /* The following two are inaccessible from w32console.c. */ | |
3213 | terminal->delete_frame_hook = &tty_free_frame_resources; | |
3214 | terminal->delete_terminal_hook = &delete_tty; | |
3215 | ||
3216 | tty->name = xstrdup (name); | |
3217 | terminal->name = xstrdup (name); | |
3218 | tty->type = xstrdup (terminal_type); | |
3219 | ||
3220 | add_keyboard_wait_descriptor (0); | |
3221 | ||
dce4c2ac DN |
3222 | tty->delete_in_insert_mode = 1; |
3223 | ||
3224 | UseTabs (tty) = 0; | |
3225 | terminal->scroll_region_ok = 0; | |
3226 | ||
3227 | /* Seems to insert lines when it's not supposed to, messing up the | |
3228 | display. In doing a trace, it didn't seem to be called much, so I | |
3229 | don't think we're losing anything by turning it off. */ | |
3230 | terminal->line_ins_del_ok = 0; | |
3231 | ||
a104f656 | 3232 | tty->TN_max_colors = 16; /* Must be non-zero for tty-display-color-p. */ |
dce4c2ac DN |
3233 | #endif /* DOS_NT */ |
3234 | ||
6bc8cd65 JB |
3235 | #ifdef HAVE_GPM |
3236 | terminal->mouse_position_hook = term_mouse_position; | |
3237 | tty->mouse_highlight.mouse_face_window = Qnil; | |
3238 | #endif | |
3239 | ||
38182d90 | 3240 | terminal->kboard = xmalloc (sizeof *terminal->kboard); |
6ed8eeff | 3241 | init_kboard (terminal->kboard); |
15dbb4d6 | 3242 | kset_window_system (terminal->kboard, Qnil); |
6ed8eeff KL |
3243 | terminal->kboard->next_kboard = all_kboards; |
3244 | all_kboards = terminal->kboard; | |
3245 | terminal->kboard->reference_count++; | |
e7cf0fa0 KL |
3246 | /* Don't let the initial kboard remain current longer than necessary. |
3247 | That would cause problems if a file loaded on startup tries to | |
3248 | prompt in the mini-buffer. */ | |
3249 | if (current_kboard == initial_kboard) | |
6ed8eeff | 3250 | current_kboard = terminal->kboard; |
84704c5c | 3251 | #ifndef DOS_NT |
6ed8eeff | 3252 | term_get_fkeys (address, terminal->kboard); |
5c2c7893 | 3253 | |
ff11dfa1 | 3254 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3255 | { |
3256 | int height, width; | |
0b0d3e0b | 3257 | get_tty_size (fileno (tty->input), &width, &height); |
0a125897 KL |
3258 | FrameCols (tty) = width; |
3259 | FrameRows (tty) = height; | |
3b12ce12 RS |
3260 | } |
3261 | ||
0a125897 KL |
3262 | if (FrameCols (tty) <= 0) |
3263 | FrameCols (tty) = tgetnum ("co"); | |
3264 | if (FrameRows (tty) <= 0) | |
3265 | FrameRows (tty) = tgetnum ("li"); | |
177c0ea7 | 3266 | |
0a125897 | 3267 | if (FrameRows (tty) < 3 || FrameCols (tty) < 3) |
d31eee5e | 3268 | maybe_fatal (must_succeed, terminal, |
b3ffc17c | 3269 | "Screen size %dx%d is too small", |
3224dac1 | 3270 | "Screen size %dx%d is too small", |
0a125897 | 3271 | FrameCols (tty), FrameRows (tty)); |
ee7a2de4 | 3272 | |
6548cf00 | 3273 | TabWidth (tty) = tgetnum ("tw"); |
08a24c47 | 3274 | |
fca177d4 KL |
3275 | if (!tty->TS_bell) |
3276 | tty->TS_bell = "\07"; | |
08a24c47 | 3277 | |
fca177d4 KL |
3278 | if (!tty->TS_fwd_scroll) |
3279 | tty->TS_fwd_scroll = Down (tty); | |
08a24c47 | 3280 | |
fca177d4 | 3281 | PC = tty->TS_pad_char ? *tty->TS_pad_char : 0; |
08a24c47 | 3282 | |
6548cf00 KL |
3283 | if (TabWidth (tty) < 0) |
3284 | TabWidth (tty) = 8; | |
177c0ea7 | 3285 | |
08a24c47 JB |
3286 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3287 | and newer termcap doc does not seem to say there is a default. | |
6548cf00 KL |
3288 | if (!tty->Wcm->cm_tab) |
3289 | tty->Wcm->cm_tab = "\t"; | |
08a24c47 JB |
3290 | */ |
3291 | ||
54800acb MB |
3292 | /* We don't support standout modes that use `magic cookies', so |
3293 | turn off any that do. */ | |
fca177d4 | 3294 | if (tty->TS_standout_mode && tgetnum ("sg") >= 0) |
54800acb | 3295 | { |
fca177d4 KL |
3296 | tty->TS_standout_mode = 0; |
3297 | tty->TS_end_standout_mode = 0; | |
54800acb | 3298 | } |
fca177d4 | 3299 | if (tty->TS_enter_underline_mode && tgetnum ("ug") >= 0) |
54800acb | 3300 | { |
fca177d4 KL |
3301 | tty->TS_enter_underline_mode = 0; |
3302 | tty->TS_exit_underline_mode = 0; | |
54800acb MB |
3303 | } |
3304 | ||
3305 | /* If there's no standout mode, try to use underlining instead. */ | |
fca177d4 | 3306 | if (tty->TS_standout_mode == 0) |
08a24c47 | 3307 | { |
fca177d4 KL |
3308 | tty->TS_standout_mode = tty->TS_enter_underline_mode; |
3309 | tty->TS_end_standout_mode = tty->TS_exit_underline_mode; | |
08a24c47 JB |
3310 | } |
3311 | ||
afd359c4 RS |
3312 | /* If no `se' string, try using a `me' string instead. |
3313 | If that fails, we can't use standout mode at all. */ | |
fca177d4 | 3314 | if (tty->TS_end_standout_mode == 0) |
afd359c4 | 3315 | { |
e4bfb3b6 | 3316 | char *s = tgetstr ("me", address); |
afd359c4 | 3317 | if (s != 0) |
fca177d4 | 3318 | tty->TS_end_standout_mode = s; |
afd359c4 | 3319 | else |
fca177d4 | 3320 | tty->TS_standout_mode = 0; |
afd359c4 RS |
3321 | } |
3322 | ||
fca177d4 | 3323 | if (tty->TF_teleray) |
08a24c47 | 3324 | { |
6548cf00 | 3325 | tty->Wcm->cm_tab = 0; |
54800acb | 3326 | /* We can't support standout mode, because it uses magic cookies. */ |
fca177d4 | 3327 | tty->TS_standout_mode = 0; |
a104f656 | 3328 | /* But that means we cannot rely on ^M to go to column zero! */ |
6548cf00 | 3329 | CR (tty) = 0; |
a104f656 SM |
3330 | /* LF can't be trusted either -- can alter hpos. */ |
3331 | /* If move at column 0 thru a line with TS_standout_mode. */ | |
6548cf00 | 3332 | Down (tty) = 0; |
08a24c47 JB |
3333 | } |
3334 | ||
0a125897 | 3335 | tty->specified_window = FrameRows (tty); |
08a24c47 | 3336 | |
a104f656 | 3337 | if (Wcm_init (tty) == -1) /* Can't do cursor motion. */ |
3224dac1 | 3338 | { |
d31eee5e | 3339 | maybe_fatal (must_succeed, terminal, |
3224dac1 | 3340 | "Terminal type \"%s\" is not powerful enough to run Emacs", |
3224dac1 | 3341 | "Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
37dad45a RS |
3342 | It lacks the ability to position the cursor.\n\ |
3343 | If that is not the actual type of terminal you have,\n\ | |
3344 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
84164a0d SM |
3345 | `setenv TERM ...') to specify the correct type. It may be necessary\n" |
3346 | # ifdef TERMINFO | |
3347 | "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", | |
37dad45a | 3348 | # else /* TERMCAP */ |
84164a0d | 3349 | "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
37dad45a | 3350 | # endif /* TERMINFO */ |
3224dac1 | 3351 | terminal_type); |
fca177d4 | 3352 | } |
daf01701 | 3353 | |
0a125897 | 3354 | if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0) |
d31eee5e | 3355 | maybe_fatal (must_succeed, terminal, |
3224dac1 KL |
3356 | "Could not determine the frame size", |
3357 | "Could not determine the frame size"); | |
08a24c47 | 3358 | |
fca177d4 KL |
3359 | tty->delete_in_insert_mode |
3360 | = tty->TS_delete_mode && tty->TS_insert_mode | |
3361 | && !strcmp (tty->TS_delete_mode, tty->TS_insert_mode); | |
08a24c47 | 3362 | |
0b0d3e0b | 3363 | UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8; |
08a24c47 | 3364 | |
6ed8eeff | 3365 | terminal->scroll_region_ok |
6548cf00 | 3366 | = (tty->Wcm->cm_abs |
fca177d4 | 3367 | && (tty->TS_set_window || tty->TS_set_scroll_region || tty->TS_set_scroll_region_1)); |
08a24c47 | 3368 | |
6ed8eeff | 3369 | terminal->line_ins_del_ok |
fca177d4 KL |
3370 | = (((tty->TS_ins_line || tty->TS_ins_multi_lines) |
3371 | && (tty->TS_del_line || tty->TS_del_multi_lines)) | |
6ed8eeff | 3372 | || (terminal->scroll_region_ok |
fca177d4 | 3373 | && tty->TS_fwd_scroll && tty->TS_rev_scroll)); |
08a24c47 | 3374 | |
6ed8eeff | 3375 | terminal->char_ins_del_ok |
fca177d4 KL |
3376 | = ((tty->TS_ins_char || tty->TS_insert_mode |
3377 | || tty->TS_pad_inserted_char || tty->TS_ins_multi_chars) | |
3378 | && (tty->TS_del_char || tty->TS_del_multi_chars)); | |
08a24c47 | 3379 | |
6ed8eeff | 3380 | terminal->fast_clear_end_of_line = tty->TS_clr_line != 0; |
08a24c47 | 3381 | |
0b0d3e0b | 3382 | init_baud_rate (fileno (tty->input)); |
20a558dc | 3383 | |
84704c5c | 3384 | #endif /* not DOS_NT */ |
635e3b29 | 3385 | |
0a125897 KL |
3386 | /* Init system terminal modes (RAW or CBREAK, etc.). */ |
3387 | init_sys_modes (tty); | |
daf01701 | 3388 | |
6ed8eeff | 3389 | return terminal; |
08a24c47 JB |
3390 | } |
3391 | ||
b3ffc17c DN |
3392 | |
3393 | static void | |
3394 | vfatal (const char *str, va_list ap) | |
3395 | { | |
3396 | fprintf (stderr, "emacs: "); | |
3397 | vfprintf (stderr, str, ap); | |
3398 | if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n')) | |
3399 | fprintf (stderr, "\n"); | |
b3ffc17c DN |
3400 | fflush (stderr); |
3401 | exit (1); | |
3402 | } | |
3403 | ||
3404 | ||
a4c6993d | 3405 | /* Auxiliary error-handling function for init_tty. |
d31eee5e | 3406 | Delete TERMINAL, then call error or fatal with str1 or str2, |
653d4f43 | 3407 | respectively, according to whether MUST_SUCCEED is true. */ |
6b61353c | 3408 | |
3224dac1 | 3409 | static void |
653d4f43 | 3410 | maybe_fatal (bool must_succeed, struct terminal *terminal, |
b3ffc17c | 3411 | const char *str1, const char *str2, ...) |
3224dac1 | 3412 | { |
b3ffc17c DN |
3413 | va_list ap; |
3414 | va_start (ap, str2); | |
6ed8eeff KL |
3415 | if (terminal) |
3416 | delete_tty (terminal); | |
f4d953fc | 3417 | |
3224dac1 | 3418 | if (must_succeed) |
b3ffc17c | 3419 | vfatal (str2, ap); |
3224dac1 | 3420 | else |
b3ffc17c | 3421 | verror (str1, ap); |
08a24c47 JB |
3422 | } |
3423 | ||
dfcf069d | 3424 | void |
7c401d15 | 3425 | fatal (const char *str, ...) |
08a24c47 | 3426 | { |
7c401d15 DN |
3427 | va_list ap; |
3428 | va_start (ap, str); | |
b3ffc17c | 3429 | vfatal (str, ap); |
08a24c47 | 3430 | } |
07c57952 | 3431 | |
819b8f00 KL |
3432 | \f |
3433 | ||
6ed8eeff | 3434 | /* Delete the given tty terminal, closing all frames on it. */ |
da8e1115 | 3435 | |
ed8dad6b | 3436 | static void |
6ed8eeff | 3437 | delete_tty (struct terminal *terminal) |
072d84a6 | 3438 | { |
428a555e | 3439 | struct tty_display_info *tty; |
f4d953fc | 3440 | |
e2749141 | 3441 | /* Protect against recursive calls. delete_frame in |
ab797f65 | 3442 | delete_terminal calls us back when it deletes our last frame. */ |
59a7bc63 | 3443 | if (!terminal->name) |
0a125897 | 3444 | return; |
fca177d4 | 3445 | |
6ed8eeff | 3446 | if (terminal->type != output_termcap) |
1088b922 | 3447 | emacs_abort (); |
428a555e | 3448 | |
6ed8eeff | 3449 | tty = terminal->display_info.tty; |
f4d953fc | 3450 | |
fca177d4 KL |
3451 | if (tty == tty_list) |
3452 | tty_list = tty->next; | |
3453 | else | |
3454 | { | |
28d7d09f | 3455 | struct tty_display_info *p; |
fca177d4 KL |
3456 | for (p = tty_list; p && p->next != tty; p = p->next) |
3457 | ; | |
3458 | ||
3459 | if (! p) | |
3460 | /* This should not happen. */ | |
1088b922 | 3461 | emacs_abort (); |
fca177d4 | 3462 | |
0a125897 KL |
3463 | p->next = tty->next; |
3464 | tty->next = 0; | |
fca177d4 KL |
3465 | } |
3466 | ||
7e59217d | 3467 | /* reset_sys_modes needs a valid device, so this call needs to be |
6ed8eeff | 3468 | before delete_terminal. */ |
04c3243c | 3469 | reset_sys_modes (tty); |
fca177d4 | 3470 | |
6ed8eeff | 3471 | delete_terminal (terminal); |
3224dac1 | 3472 | |
70fdbb46 JM |
3473 | xfree (tty->name); |
3474 | xfree (tty->type); | |
daf01701 | 3475 | |
fca177d4 | 3476 | if (tty->input) |
819b8f00 KL |
3477 | { |
3478 | delete_keyboard_wait_descriptor (fileno (tty->input)); | |
3479 | if (tty->input != stdin) | |
3480 | fclose (tty->input); | |
3481 | } | |
3482 | if (tty->output && tty->output != stdout && tty->output != tty->input) | |
fca177d4 KL |
3483 | fclose (tty->output); |
3484 | if (tty->termscript) | |
3485 | fclose (tty->termscript); | |
daf01701 | 3486 | |
70fdbb46 JM |
3487 | xfree (tty->old_tty); |
3488 | xfree (tty->Wcm); | |
5f445726 JM |
3489 | xfree (tty->termcap_strings_buffer); |
3490 | xfree (tty->termcap_term_buffer); | |
daf01701 | 3491 | |
fca177d4 | 3492 | xfree (tty); |
fca177d4 KL |
3493 | } |
3494 | ||
dfcf069d | 3495 | void |
d3da34e0 | 3496 | syms_of_term (void) |
07c57952 | 3497 | { |
29208e82 | 3498 | DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo, |
7ee72033 | 3499 | doc: /* Non-nil means the system uses terminfo rather than termcap. |
228299fa | 3500 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3501 | #ifdef TERMINFO |
3502 | system_uses_terminfo = 1; | |
3503 | #else | |
3504 | system_uses_terminfo = 0; | |
3505 | #endif | |
c291d9ef | 3506 | |
29208e82 | 3507 | DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions, |
e5d9c0d1 | 3508 | doc: /* Functions run after suspending a tty. |
fdc496e7 | 3509 | The functions are run with one argument, the terminal object to be suspended. |
0b0d3e0b | 3510 | See `suspend-tty'. */); |
e4019195 | 3511 | Vsuspend_tty_functions = Qnil; |
0b0d3e0b KL |
3512 | |
3513 | ||
29208e82 | 3514 | DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions, |
e5d9c0d1 | 3515 | doc: /* Functions run after resuming a tty. |
fdc496e7 | 3516 | The functions are run with one argument, the terminal object that was revived. |
0b0d3e0b | 3517 | See `resume-tty'. */); |
e4019195 | 3518 | Vresume_tty_functions = Qnil; |
a168702a | 3519 | |
29208e82 | 3520 | DEFVAR_BOOL ("visible-cursor", visible_cursor, |
0db017c0 SM |
3521 | doc: /* Non-nil means to make the cursor very visible. |
3522 | This only has an effect when running in a text terminal. | |
3523 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3524 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3525 | visible_cursor = 1; | |
3526 | ||
a168702a | 3527 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3528 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3529 | defsubr (&Stty_no_underline); |
6ed8eeff KL |
3530 | defsubr (&Stty_type); |
3531 | defsubr (&Scontrolling_tty_p); | |
c6bf3022 | 3532 | defsubr (&Stty_top_frame); |
0b0d3e0b KL |
3533 | defsubr (&Ssuspend_tty); |
3534 | defsubr (&Sresume_tty); | |
7e5a23bd | 3535 | #ifdef HAVE_GPM |
6178ce5e SM |
3536 | defsubr (&Sgpm_mouse_start); |
3537 | defsubr (&Sgpm_mouse_stop); | |
7e5a23bd | 3538 | #endif /* HAVE_GPM */ |
3a7c5d40 | 3539 | |
84704c5c | 3540 | #ifndef DOS_NT |
3a7c5d40 CY |
3541 | default_orig_pair = NULL; |
3542 | default_set_foreground = NULL; | |
3543 | default_set_background = NULL; | |
84704c5c | 3544 | #endif /* !DOS_NT */ |
d31eee5e CY |
3545 | |
3546 | encode_terminal_src = NULL; | |
3547 | encode_terminal_dst = NULL; | |
07c57952 | 3548 | } |