Commit | Line | Data |
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d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
aaef169d | 3 | 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
08a24c47 JB |
29 | #include "termchar.h" |
30 | #include "termopts.h" | |
08a24c47 | 31 | #include "lisp.h" |
9332ea03 KH |
32 | #include "buffer.h" |
33 | #include "character.h" | |
a4decb7f KH |
34 | #include "charset.h" |
35 | #include "coding.h" | |
2538fae4 | 36 | #include "keyboard.h" |
ff11dfa1 | 37 | #include "frame.h" |
08a24c47 JB |
38 | #include "disptab.h" |
39 | #include "termhooks.h" | |
dfcf069d | 40 | #include "dispextern.h" |
a168702a | 41 | #include "window.h" |
8feddab4 | 42 | #include "keymap.h" |
a168702a | 43 | |
ff23e1dd GM |
44 | /* For now, don't try to include termcap.h. On some systems, |
45 | configure finds a non-standard termcap.h that the main build | |
46 | won't find. */ | |
47 | ||
48 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 49 | #include <termcap.h> |
46d1b2bc DL |
50 | #else |
51 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
52 | extern int tgetent P_ ((char *, const char *)); | |
53 | extern int tgetflag P_ ((char *id)); | |
54 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
55 | #endif |
56 | ||
eccec691 | 57 | #include "cm.h" |
dfcf069d AS |
58 | #ifdef HAVE_X_WINDOWS |
59 | #include "xterm.h" | |
60 | #endif | |
e0f712ba | 61 | #ifdef MAC_OS |
1a578e9b AC |
62 | #include "macterm.h" |
63 | #endif | |
c8951b18 | 64 | |
a168702a GM |
65 | static void turn_on_face P_ ((struct frame *, int face_id)); |
66 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
67 | static void tty_show_cursor P_ ((void)); | |
68 | static void tty_hide_cursor P_ ((void)); | |
69 | ||
e52f4e08 | 70 | #define OUTPUT(a) \ |
9882535b | 71 | tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) - curY), cmputc) |
08a24c47 JB |
72 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
73 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 74 | |
b0f61f15 GM |
75 | #define OUTPUT_IF(a) \ |
76 | do { \ | |
77 | if (a) \ | |
9882535b | 78 | tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) \ |
b0f61f15 GM |
79 | - curY), cmputc); \ |
80 | } while (0) | |
177c0ea7 | 81 | |
b0f61f15 | 82 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 83 | |
6b61353c KH |
84 | /* Display space properties */ |
85 | ||
86 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
87 | ||
c291d9ef | 88 | /* Function to use to ring the bell. */ |
a168702a | 89 | |
c291d9ef RS |
90 | Lisp_Object Vring_bell_function; |
91 | ||
0db017c0 SM |
92 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
93 | ||
94 | static int visible_cursor; | |
95 | ||
eb8c3be9 | 96 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
97 | These are all extern'd in termchar.h */ |
98 | ||
08a24c47 JB |
99 | int must_write_spaces; /* Nonzero means spaces in the text |
100 | must actually be output; can't just skip | |
101 | over some columns to leave them blank. */ | |
102 | int min_padding_speed; /* Speed below which no padding necessary */ | |
103 | ||
104 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
105 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
106 | int scroll_region_ok; /* Terminal supports setting the | |
107 | scroll window */ | |
be7cd44f RS |
108 | int scroll_region_cost; /* Cost of setting a scroll window, |
109 | measured in characters */ | |
ff11dfa1 | 110 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
111 | scrolled off bottom */ |
112 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
113 | ||
ff11dfa1 | 114 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
115 | a suspended Emacs. This is useful on terminals with multiple pages, |
116 | where one page is used for Emacs and another for all else. */ | |
a168702a | 117 | |
08a24c47 JB |
118 | int no_redraw_on_reenter; |
119 | ||
120 | /* Hook functions that you can set to snap out the functions in this file. | |
121 | These are all extern'd in termhooks.h */ | |
122 | ||
dfcf069d AS |
123 | void (*cursor_to_hook) P_ ((int, int)); |
124 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
125 | void (*clear_to_end_hook) P_ ((void)); |
126 | void (*clear_frame_hook) P_ ((void)); | |
127 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 128 | |
dfcf069d | 129 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 130 | |
dfcf069d | 131 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 132 | |
dfcf069d | 133 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 134 | |
dfcf069d AS |
135 | void (*reset_terminal_modes_hook) P_ ((void)); |
136 | void (*set_terminal_modes_hook) P_ ((void)); | |
137 | void (*update_begin_hook) P_ ((struct frame *)); | |
138 | void (*update_end_hook) P_ ((struct frame *)); | |
139 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
140 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
141 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
142 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 143 | |
6b61353c | 144 | int (*read_socket_hook) P_ ((int, int, struct input_event *)); |
08a24c47 | 145 | |
dfcf069d | 146 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 147 | |
20a558dc | 148 | /* Return the current position of the mouse. |
371fbaeb JB |
149 | |
150 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
151 | Emacs frame. If it is set to zero, all the other arguments are | |
152 | garbage. | |
153 | ||
a3c87d4e JB |
154 | If the motion started in a scroll bar, set *bar_window to the |
155 | scroll bar's window, *part to the part the mouse is currently over, | |
156 | *x to the position of the mouse along the scroll bar, and *y to the | |
157 | overall length of the scroll bar. | |
371fbaeb JB |
158 | |
159 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
160 | row of the character cell the mouse is over. | |
161 | ||
162 | Set *time to the time the mouse was at the returned position. | |
163 | ||
164 | This should clear mouse_moved until the next motion | |
165 | event arrives. */ | |
d284f58f | 166 | |
dfcf069d | 167 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 168 | Lisp_Object *bar_window, |
a3c87d4e | 169 | enum scroll_bar_part *part, |
20a558dc JB |
170 | Lisp_Object *x, |
171 | Lisp_Object *y, | |
dfcf069d | 172 | unsigned long *time)); |
08a24c47 | 173 | |
ff11dfa1 | 174 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 175 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 176 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
177 | This hook tells the window system code to re-decide where to put |
178 | the highlight. */ | |
d284f58f | 179 | |
dfcf069d | 180 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 181 | |
dbc4e1c1 JB |
182 | /* If we're displaying frames using a window system that can stack |
183 | frames on top of each other, this hook allows you to bring a frame | |
184 | to the front, or bury it behind all the other windows. If this | |
185 | hook is zero, that means the device we're displaying on doesn't | |
186 | support overlapping frames, so there's no need to raise or lower | |
187 | anything. | |
188 | ||
189 | If RAISE is non-zero, F is brought to the front, before all other | |
190 | windows. If RAISE is zero, F is sent to the back, behind all other | |
191 | windows. */ | |
d284f58f | 192 | |
dfcf069d | 193 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 194 | |
a3c87d4e | 195 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
196 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
197 | indicate that we are displaying PORTION characters out of a total | |
198 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 199 | have a scroll bar, create one for it. */ |
a168702a | 200 | |
a3c87d4e | 201 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
202 | P_ ((struct window *window, |
203 | int portion, int whole, int position)); | |
20a558dc | 204 | |
371fbaeb | 205 | |
20a558dc | 206 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 207 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
208 | are going to be deleted, because keeping track of when windows go |
209 | away is a real pain - can you say set-window-configuration? | |
210 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 211 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 212 | fiery pit when we actually redisplay their window. */ |
20a558dc | 213 | |
a3c87d4e JB |
214 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
215 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
177c0ea7 | 216 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 217 | |
371fbaeb | 218 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
219 | redisplayed, even if it is not displaying scroll bars at the moment; |
220 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
221 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
222 | |
223 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 224 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 225 | currently displaying them. */ |
d284f58f | 226 | |
dfcf069d | 227 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 228 | |
a3c87d4e JB |
229 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
230 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
d284f58f | 231 | |
dfcf069d | 232 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 233 | |
a3c87d4e | 234 | /* Remove all scroll bars on FRAME that haven't been saved since the |
177c0ea7 | 235 | last call to `*condemn_scroll_bars_hook'. |
20a558dc | 236 | |
371fbaeb | 237 | This should be applied to each frame after each time its window |
a3c87d4e JB |
238 | tree is redisplayed, even if it is not displaying scroll bars at the |
239 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
240 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
241 | |
242 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 243 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 244 | currently displaying them. */ |
d284f58f | 245 | |
dfcf069d | 246 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 247 | |
08a24c47 JB |
248 | /* Strings, numbers and flags taken from the termcap entry. */ |
249 | ||
a4decb7f | 250 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
251 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
252 | char *TS_bell; /* "bl" */ | |
253 | char *TS_clr_to_bottom; /* "cd" */ | |
254 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 255 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
256 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
257 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
258 | lines above scroll region, lines below it, | |
259 | total lines again) */ | |
260 | char *TS_del_char; /* "dc" */ | |
261 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
262 | char *TS_del_line; /* "dl" */ | |
263 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
264 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
265 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
266 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
267 | char *TS_ins_char; /* "ic" */ | |
268 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
269 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
270 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
271 | char *TS_end_keypad_mode; /* "ke" */ | |
272 | char *TS_keypad_mode; /* "ks" */ | |
273 | char *TS_pad_char; /* "pc", char to use as padding */ | |
274 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
275 | and character to be repeated) */ | |
276 | char *TS_end_standout_mode; /* "se" */ | |
277 | char *TS_fwd_scroll; /* "sf" */ | |
278 | char *TS_standout_mode; /* "so" */ | |
279 | char *TS_rev_scroll; /* "sr" */ | |
280 | char *TS_end_termcap_modes; /* "te" */ | |
281 | char *TS_termcap_modes; /* "ti" */ | |
282 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
283 | char *TS_cursor_normal; /* "ve" */ |
284 | char *TS_cursor_visible; /* "vs" */ | |
285 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
286 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
287 | each as vpos and hpos) */ | |
288 | ||
4e6ba4a4 GM |
289 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
290 | present. */ | |
291 | ||
292 | static int TN_no_color_video; | |
293 | ||
294 | /* Meaning of bits in no_color_video. Each bit set means that the | |
295 | corresponding attribute cannot be combined with colors. */ | |
296 | ||
297 | enum no_color_bit | |
298 | { | |
299 | NC_STANDOUT = 1 << 0, | |
300 | NC_UNDERLINE = 1 << 1, | |
301 | NC_REVERSE = 1 << 2, | |
302 | NC_BLINK = 1 << 3, | |
303 | NC_DIM = 1 << 4, | |
304 | NC_BOLD = 1 << 5, | |
305 | NC_INVIS = 1 << 6, | |
306 | NC_PROTECT = 1 << 7, | |
307 | NC_ALT_CHARSET = 1 << 8 | |
308 | }; | |
309 | ||
a168702a GM |
310 | /* "md" -- turn on bold (extra bright mode). */ |
311 | ||
312 | char *TS_enter_bold_mode; | |
313 | ||
314 | /* "mh" -- turn on half-bright mode. */ | |
315 | ||
316 | char *TS_enter_dim_mode; | |
317 | ||
318 | /* "mb" -- enter blinking mode. */ | |
319 | ||
320 | char *TS_enter_blink_mode; | |
321 | ||
322 | /* "mr" -- enter reverse video mode. */ | |
323 | ||
324 | char *TS_enter_reverse_mode; | |
325 | ||
326 | /* "us"/"ue" -- start/end underlining. */ | |
327 | ||
328 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
329 | ||
a168702a GM |
330 | /* "as"/"ae" -- start/end alternate character set. Not really |
331 | supported, yet. */ | |
332 | ||
333 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
334 | ||
335 | /* "me" -- switch appearances off. */ | |
336 | ||
337 | char *TS_exit_attribute_mode; | |
338 | ||
339 | /* "Co" -- number of colors. */ | |
340 | ||
341 | int TN_max_colors; | |
342 | ||
343 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
344 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
345 | ||
346 | int TN_max_pairs; | |
347 | ||
348 | /* "op" -- SVr4 set default pair to its original value. */ | |
349 | ||
350 | char *TS_orig_pair; | |
351 | ||
352 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
353 | 1 param, the color index. */ | |
354 | ||
355 | char *TS_set_foreground, *TS_set_background; | |
356 | ||
08a24c47 JB |
357 | int TF_hazeltine; /* termcap hz flag. */ |
358 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
359 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
360 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
361 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
362 | int TF_teleray; /* termcap xt flag: many weird consequences. |
363 | For t1061. */ | |
364 | ||
08a24c47 JB |
365 | static int RPov; /* # chars to start a TS_repeat */ |
366 | ||
367 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
368 | ||
369 | static int se_is_so; /* 1 if same string both enters and leaves | |
370 | standout mode */ | |
371 | ||
372 | /* internal state */ | |
373 | ||
8dd0c7cb | 374 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 375 | |
9882535b | 376 | int max_frame_cols; |
a168702a | 377 | |
8dd0c7cb | 378 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 379 | |
9882535b | 380 | int max_frame_lines; |
8dd0c7cb | 381 | |
646e4dff | 382 | static int costs_set; /* Nonzero if costs have been calculated. */ |
08a24c47 JB |
383 | |
384 | int insert_mode; /* Nonzero when in insert mode. */ | |
385 | int standout_mode; /* Nonzero when in standout mode. */ | |
386 | ||
387 | /* Size of window specified by higher levels. | |
ff11dfa1 | 388 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
389 | which can participate in insert-line/delete-line operations. |
390 | ||
9882535b | 391 | Effectively it excludes the bottom frame_lines - specified_window_size |
08a24c47 JB |
392 | lines from those operations. */ |
393 | ||
394 | int specified_window; | |
395 | ||
ff11dfa1 | 396 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
397 | (Direct output does not count). */ |
398 | ||
ff11dfa1 | 399 | FRAME_PTR updating_frame; |
08a24c47 | 400 | |
07c57952 | 401 | /* Provided for lisp packages. */ |
a168702a | 402 | |
07c57952 KH |
403 | static int system_uses_terminfo; |
404 | ||
d284f58f GM |
405 | /* Flag used in tty_show/hide_cursor. */ |
406 | ||
407 | static int tty_cursor_hidden; | |
408 | ||
08a24c47 | 409 | char *tparam (); |
e4bfb3b6 RS |
410 | |
411 | extern char *tgetstr (); | |
08a24c47 | 412 | \f |
cb28b9c2 | 413 | |
1a89b7c6 AI |
414 | #ifdef WINDOWSNT |
415 | /* We aren't X windows, but we aren't termcap either. This makes me | |
416 | uncertain as to what value to use for frame.output_method. For | |
417 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
418 | output hooks get called instead of the termcap functions. Probably | |
419 | the best long-term solution is to define an output_windows_nt... */ | |
420 | ||
421 | #undef FRAME_TERMCAP_P | |
422 | #define FRAME_TERMCAP_P(_f_) 0 | |
423 | #endif /* WINDOWSNT */ | |
424 | ||
dfcf069d | 425 | void |
08a24c47 JB |
426 | ring_bell () |
427 | { | |
d284f58f | 428 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
429 | { |
430 | Lisp_Object function; | |
431 | ||
432 | /* Temporarily set the global variable to nil | |
433 | so that if we get an error, it stays nil | |
434 | and we don't call it over and over. | |
435 | ||
436 | We don't specbind it, because that would carefully | |
437 | restore the bad value if there's an error | |
438 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 439 | |
c291d9ef RS |
440 | function = Vring_bell_function; |
441 | Vring_bell_function = Qnil; | |
442 | ||
443 | call0 (function); | |
444 | ||
445 | Vring_bell_function = function; | |
08a24c47 | 446 | } |
d284f58f GM |
447 | else if (!FRAME_TERMCAP_P (XFRAME (selected_frame))) |
448 | (*ring_bell_hook) (); | |
449 | else | |
450 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
08a24c47 JB |
451 | } |
452 | ||
dfcf069d | 453 | void |
08a24c47 JB |
454 | set_terminal_modes () |
455 | { | |
d284f58f | 456 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 457 | { |
3ae9c96a RS |
458 | if (TS_termcap_modes) |
459 | OUTPUT (TS_termcap_modes); | |
460 | else | |
461 | { | |
462 | /* Output enough newlines to scroll all the old screen contents | |
463 | off the screen, so it won't be overwritten and lost. */ | |
464 | int i; | |
465 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) | |
466 | putchar ('\n'); | |
467 | } | |
468 | ||
0db017c0 | 469 | OUTPUT_IF (visible_cursor ? TS_cursor_visible : TS_cursor_normal); |
d284f58f GM |
470 | OUTPUT_IF (TS_keypad_mode); |
471 | losecursor (); | |
08a24c47 | 472 | } |
d284f58f GM |
473 | else |
474 | (*set_terminal_modes_hook) (); | |
08a24c47 JB |
475 | } |
476 | ||
dfcf069d | 477 | void |
08a24c47 JB |
478 | reset_terminal_modes () |
479 | { | |
d284f58f | 480 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 481 | { |
54800acb | 482 | turn_off_highlight (); |
d284f58f GM |
483 | turn_off_insert (); |
484 | OUTPUT_IF (TS_end_keypad_mode); | |
485 | OUTPUT_IF (TS_cursor_normal); | |
486 | OUTPUT_IF (TS_end_termcap_modes); | |
487 | OUTPUT_IF (TS_orig_pair); | |
488 | /* Output raw CR so kernel can track the cursor hpos. */ | |
d284f58f | 489 | cmputc ('\r'); |
08a24c47 | 490 | } |
d284f58f GM |
491 | else if (reset_terminal_modes_hook) |
492 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
493 | } |
494 | ||
dfcf069d | 495 | void |
ff11dfa1 | 496 | update_begin (f) |
d284f58f | 497 | struct frame *f; |
08a24c47 | 498 | { |
ff11dfa1 | 499 | updating_frame = f; |
d284f58f GM |
500 | if (!FRAME_TERMCAP_P (f)) |
501 | update_begin_hook (f); | |
08a24c47 JB |
502 | } |
503 | ||
dfcf069d | 504 | void |
ff11dfa1 | 505 | update_end (f) |
d284f58f | 506 | struct frame *f; |
08a24c47 | 507 | { |
d284f58f | 508 | if (FRAME_TERMCAP_P (f)) |
08a24c47 | 509 | { |
d284f58f GM |
510 | if (!XWINDOW (selected_window)->cursor_off_p) |
511 | tty_show_cursor (); | |
512 | turn_off_insert (); | |
513 | background_highlight (); | |
08a24c47 | 514 | } |
d284f58f GM |
515 | else |
516 | update_end_hook (f); | |
177c0ea7 | 517 | |
d284f58f | 518 | updating_frame = NULL; |
08a24c47 JB |
519 | } |
520 | ||
dfcf069d | 521 | void |
08a24c47 JB |
522 | set_terminal_window (size) |
523 | int size; | |
524 | { | |
d284f58f | 525 | if (FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 526 | { |
9882535b | 527 | specified_window = size ? size : FRAME_LINES (updating_frame); |
d284f58f GM |
528 | if (scroll_region_ok) |
529 | set_scroll_region (0, specified_window); | |
08a24c47 | 530 | } |
d284f58f GM |
531 | else |
532 | set_terminal_window_hook (size); | |
08a24c47 JB |
533 | } |
534 | ||
dfcf069d | 535 | void |
08a24c47 JB |
536 | set_scroll_region (start, stop) |
537 | int start, stop; | |
538 | { | |
539 | char *buf; | |
e52f4e08 | 540 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 541 | |
08a24c47 | 542 | if (TS_set_scroll_region) |
d284f58f | 543 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); |
08a24c47 | 544 | else if (TS_set_scroll_region_1) |
d284f58f | 545 | buf = tparam (TS_set_scroll_region_1, 0, 0, |
9882535b KS |
546 | FRAME_LINES (sf), start, |
547 | FRAME_LINES (sf) - stop, | |
548 | FRAME_LINES (sf)); | |
08a24c47 | 549 | else |
9882535b | 550 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (sf)); |
177c0ea7 | 551 | |
08a24c47 | 552 | OUTPUT (buf); |
9ac0d9e0 | 553 | xfree (buf); |
08a24c47 JB |
554 | losecursor (); |
555 | } | |
d284f58f | 556 | |
08a24c47 | 557 | \f |
d284f58f | 558 | static void |
08a24c47 JB |
559 | turn_on_insert () |
560 | { | |
561 | if (!insert_mode) | |
562 | OUTPUT (TS_insert_mode); | |
563 | insert_mode = 1; | |
564 | } | |
565 | ||
dfcf069d | 566 | void |
08a24c47 JB |
567 | turn_off_insert () |
568 | { | |
569 | if (insert_mode) | |
570 | OUTPUT (TS_end_insert_mode); | |
571 | insert_mode = 0; | |
572 | } | |
573 | \f | |
54800acb | 574 | /* Handle highlighting. */ |
08a24c47 | 575 | |
dfcf069d | 576 | void |
08a24c47 JB |
577 | turn_off_highlight () |
578 | { | |
54800acb MB |
579 | if (standout_mode) |
580 | OUTPUT_IF (TS_end_standout_mode); | |
581 | standout_mode = 0; | |
08a24c47 JB |
582 | } |
583 | ||
d284f58f | 584 | static void |
08a24c47 JB |
585 | turn_on_highlight () |
586 | { | |
54800acb MB |
587 | if (!standout_mode) |
588 | OUTPUT_IF (TS_standout_mode); | |
589 | standout_mode = 1; | |
08a24c47 JB |
590 | } |
591 | ||
86a7d192 GM |
592 | static void |
593 | toggle_highlight () | |
594 | { | |
595 | if (standout_mode) | |
596 | turn_off_highlight (); | |
597 | else | |
598 | turn_on_highlight (); | |
599 | } | |
600 | ||
a168702a GM |
601 | |
602 | /* Make cursor invisible. */ | |
603 | ||
604 | static void | |
605 | tty_hide_cursor () | |
606 | { | |
d284f58f GM |
607 | if (tty_cursor_hidden == 0) |
608 | { | |
609 | tty_cursor_hidden = 1; | |
610 | OUTPUT_IF (TS_cursor_invisible); | |
611 | } | |
a168702a GM |
612 | } |
613 | ||
614 | ||
615 | /* Ensure that cursor is visible. */ | |
616 | ||
617 | static void | |
618 | tty_show_cursor () | |
619 | { | |
d284f58f GM |
620 | if (tty_cursor_hidden) |
621 | { | |
622 | tty_cursor_hidden = 0; | |
623 | OUTPUT_IF (TS_cursor_normal); | |
0db017c0 SM |
624 | if (visible_cursor) |
625 | OUTPUT_IF (TS_cursor_visible); | |
d284f58f | 626 | } |
a168702a GM |
627 | } |
628 | ||
629 | ||
08a24c47 JB |
630 | /* Set standout mode to the state it should be in for |
631 | empty space inside windows. What this is, | |
632 | depends on the user option inverse-video. */ | |
633 | ||
dfcf069d | 634 | void |
08a24c47 JB |
635 | background_highlight () |
636 | { | |
08a24c47 JB |
637 | if (inverse_video) |
638 | turn_on_highlight (); | |
639 | else | |
640 | turn_off_highlight (); | |
641 | } | |
642 | ||
643 | /* Set standout mode to the mode specified for the text to be output. */ | |
644 | ||
dfcf069d | 645 | static void |
08a24c47 JB |
646 | highlight_if_desired () |
647 | { | |
8ede64a5 | 648 | if (inverse_video) |
08a24c47 | 649 | turn_on_highlight (); |
8ede64a5 MB |
650 | else |
651 | turn_off_highlight (); | |
08a24c47 JB |
652 | } |
653 | \f | |
654 | ||
a168702a GM |
655 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
656 | frame-relative coordinates. */ | |
08a24c47 | 657 | |
dfcf069d | 658 | void |
a168702a GM |
659 | cursor_to (vpos, hpos) |
660 | int vpos, hpos; | |
08a24c47 | 661 | { |
e52f4e08 | 662 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
177c0ea7 | 663 | |
e52f4e08 | 664 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) |
08a24c47 | 665 | { |
a168702a | 666 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
667 | return; |
668 | } | |
669 | ||
36cae867 KH |
670 | /* Detect the case where we are called from reset_sys_modes |
671 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 672 | if (! costs_set) |
36cae867 KH |
673 | return; |
674 | ||
a168702a | 675 | if (curY == vpos && curX == hpos) |
08a24c47 JB |
676 | return; |
677 | if (!TF_standout_motion) | |
678 | background_highlight (); | |
679 | if (!TF_insmode_motion) | |
680 | turn_off_insert (); | |
a168702a | 681 | cmgoto (vpos, hpos); |
08a24c47 JB |
682 | } |
683 | ||
684 | /* Similar but don't take any account of the wasted characters. */ | |
685 | ||
dfcf069d | 686 | void |
08a24c47 | 687 | raw_cursor_to (row, col) |
4746118a | 688 | int row, col; |
08a24c47 | 689 | { |
e52f4e08 GM |
690 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
691 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
692 | { |
693 | (*raw_cursor_to_hook) (row, col); | |
694 | return; | |
695 | } | |
696 | if (curY == row && curX == col) | |
697 | return; | |
698 | if (!TF_standout_motion) | |
699 | background_highlight (); | |
700 | if (!TF_insmode_motion) | |
701 | turn_off_insert (); | |
702 | cmgoto (row, col); | |
703 | } | |
704 | \f | |
705 | /* Erase operations */ | |
706 | ||
ff11dfa1 | 707 | /* clear from cursor to end of frame */ |
dfcf069d | 708 | void |
08a24c47 JB |
709 | clear_to_end () |
710 | { | |
711 | register int i; | |
712 | ||
759d9005 | 713 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
714 | { |
715 | (*clear_to_end_hook) (); | |
716 | return; | |
717 | } | |
718 | if (TS_clr_to_bottom) | |
719 | { | |
720 | background_highlight (); | |
721 | OUTPUT (TS_clr_to_bottom); | |
08a24c47 JB |
722 | } |
723 | else | |
724 | { | |
9882535b | 725 | for (i = curY; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
08a24c47 JB |
726 | { |
727 | cursor_to (i, 0); | |
9882535b | 728 | clear_end_of_line (FRAME_COLS (XFRAME (selected_frame))); |
08a24c47 JB |
729 | } |
730 | } | |
731 | } | |
732 | ||
ff11dfa1 | 733 | /* Clear entire frame */ |
08a24c47 | 734 | |
dfcf069d | 735 | void |
ff11dfa1 | 736 | clear_frame () |
08a24c47 | 737 | { |
e52f4e08 | 738 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 739 | |
ff11dfa1 | 740 | if (clear_frame_hook |
e52f4e08 | 741 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 742 | { |
ff11dfa1 | 743 | (*clear_frame_hook) (); |
08a24c47 JB |
744 | return; |
745 | } | |
ff11dfa1 | 746 | if (TS_clr_frame) |
08a24c47 JB |
747 | { |
748 | background_highlight (); | |
ff11dfa1 | 749 | OUTPUT (TS_clr_frame); |
08a24c47 JB |
750 | cmat (0, 0); |
751 | } | |
752 | else | |
753 | { | |
754 | cursor_to (0, 0); | |
755 | clear_to_end (); | |
756 | } | |
757 | } | |
758 | ||
08a24c47 JB |
759 | /* Clear from cursor to end of line. |
760 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
761 | |
762 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
763 | ||
dfcf069d | 764 | void |
8ede64a5 | 765 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
766 | int first_unused_hpos; |
767 | { | |
768 | register int i; | |
769 | ||
770 | if (clear_end_of_line_hook | |
1820044b | 771 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 772 | ? updating_frame |
e52f4e08 | 773 | : XFRAME (selected_frame)))) |
08a24c47 JB |
774 | { |
775 | (*clear_end_of_line_hook) (first_unused_hpos); | |
776 | return; | |
777 | } | |
778 | ||
36cae867 KH |
779 | /* Detect the case where we are called from reset_sys_modes |
780 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 781 | if (! costs_set) |
36cae867 KH |
782 | return; |
783 | ||
08a24c47 JB |
784 | if (curX >= first_unused_hpos) |
785 | return; | |
08a24c47 JB |
786 | background_highlight (); |
787 | if (TS_clr_line) | |
788 | { | |
789 | OUTPUT1 (TS_clr_line); | |
790 | } | |
791 | else | |
792 | { /* have to do it the hard way */ | |
e52f4e08 | 793 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
794 | turn_off_insert (); |
795 | ||
a168702a | 796 | /* Do not write in last row last col with Auto-wrap on. */ |
9882535b KS |
797 | if (AutoWrap && curY == FRAME_LINES (sf) - 1 |
798 | && first_unused_hpos == FRAME_COLS (sf)) | |
08a24c47 JB |
799 | first_unused_hpos--; |
800 | ||
801 | for (i = curX; i < first_unused_hpos; i++) | |
802 | { | |
803 | if (termscript) | |
804 | fputc (' ', termscript); | |
805 | putchar (' '); | |
806 | } | |
807 | cmplus (first_unused_hpos - curX); | |
808 | } | |
809 | } | |
810 | \f | |
288d5132 KH |
811 | /* Buffers to store the source and result of code conversion for terminal. */ |
812 | static unsigned char *encode_terminal_src; | |
813 | static unsigned char *encode_terminal_dst; | |
814 | /* Allocated sizes of the above buffers. */ | |
815 | static int encode_terminal_src_size; | |
816 | static int encode_terminal_dst_size; | |
817 | ||
818 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. | |
819 | Set CODING->produced to the byte-length of the resulting byte | |
820 | sequence, and return a pointer to that byte sequence. */ | |
821 | ||
822 | unsigned char * | |
823 | encode_terminal_code (src, src_len, coding) | |
a168702a | 824 | struct glyph *src; |
a4decb7f | 825 | int src_len; |
288d5132 | 826 | struct coding_system *coding; |
a4decb7f | 827 | { |
feef4f84 | 828 | struct glyph *src_end = src + src_len; |
085d5908 | 829 | register GLYPH g; |
288d5132 KH |
830 | unsigned char *buf; |
831 | int nchars, nbytes, required; | |
a4decb7f KH |
832 | register int tlen = GLYPH_TABLE_LENGTH; |
833 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
288d5132 | 834 | Lisp_Object charset_list; |
c5a518df | 835 | |
288d5132 KH |
836 | /* Allocate sufficient size of buffer to store all characters in |
837 | multibyte-form. But, it may be enlarged on demand if | |
838 | Vglyph_table contains a string. */ | |
839 | required = MAX_MULTIBYTE_LENGTH * src_len; | |
840 | if (encode_terminal_src_size < required) | |
841 | { | |
842 | if (encode_terminal_src_size == 0) | |
843 | encode_terminal_src = xmalloc (required); | |
844 | else | |
845 | encode_terminal_src = xrealloc (encode_terminal_src, required); | |
846 | encode_terminal_src_size = required; | |
847 | } | |
6589fd67 | 848 | |
288d5132 | 849 | charset_list = coding_charset_list (coding); |
a4decb7f | 850 | |
288d5132 KH |
851 | buf = encode_terminal_src; |
852 | nchars = 0; | |
853 | while (src < src_end) | |
a4decb7f | 854 | { |
a4decb7f | 855 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 856 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 857 | { |
288d5132 KH |
858 | int c; |
859 | Lisp_Object string; | |
860 | ||
4ae0a2c0 | 861 | string = Qnil; |
288d5132 | 862 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
32de38e4 KH |
863 | |
864 | if (g < 0 || g >= tlen) | |
288d5132 KH |
865 | { |
866 | /* This glyph doesn't has an entry in Vglyph_table. */ | |
867 | c = src->u.ch; | |
868 | } | |
32de38e4 | 869 | else |
a4decb7f | 870 | { |
32de38e4 | 871 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
872 | so process any alias before testing for simpleness. */ |
873 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
874 | |
875 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
876 | /* We set the multi-byte form of a character in G |
877 | (that should be an ASCII character) at WORKBUF. */ | |
878 | c = FAST_GLYPH_CHAR (g); | |
32de38e4 | 879 | else |
4ae0a2c0 KH |
880 | /* We have a string in Vglyph_table. */ |
881 | string = tbase[g]; | |
171d7f24 | 882 | } |
177c0ea7 | 883 | |
4ae0a2c0 | 884 | if (NILP (string)) |
c42869c4 | 885 | { |
288d5132 | 886 | if (char_charset (c, charset_list, NULL)) |
c5a518df | 887 | { |
288d5132 KH |
888 | /* Store the multibyte form of C at BUF. */ |
889 | buf += CHAR_STRING (c, buf); | |
890 | nchars++; | |
c5a518df KH |
891 | } |
892 | else | |
893 | { | |
288d5132 KH |
894 | /* C is not encodable. */ |
895 | *buf++ = '?'; | |
c5a518df | 896 | nchars++; |
288d5132 KH |
897 | while (src + 1 < src_end && CHAR_GLYPH_PADDING_P (src[1])) |
898 | { | |
899 | *buf++ = '?'; | |
900 | nchars++; | |
901 | src++; | |
902 | } | |
c5a518df | 903 | } |
4ae0a2c0 KH |
904 | } |
905 | else | |
906 | { | |
288d5132 KH |
907 | unsigned char *p = SDATA (string), *pend = p + SBYTES (string); |
908 | ||
909 | if (! STRING_MULTIBYTE (string)) | |
910 | string = string_to_multibyte (string); | |
911 | nbytes = buf - encode_terminal_src; | |
54c4c546 | 912 | if (encode_terminal_src_size < nbytes + SBYTES (string)) |
4ae0a2c0 | 913 | { |
288d5132 KH |
914 | encode_terminal_src_size = nbytes + SBYTES (string); |
915 | encode_terminal_src = xrealloc (encode_terminal_src, | |
916 | encode_terminal_src_size); | |
917 | buf = encode_terminal_src + nbytes; | |
4ae0a2c0 | 918 | } |
288d5132 KH |
919 | bcopy (SDATA (string), buf, SBYTES (string)); |
920 | buf += SBYTES (string); | |
921 | nchars += SCHARS (string); | |
c42869c4 | 922 | } |
a4decb7f | 923 | } |
288d5132 KH |
924 | src++; |
925 | } | |
926 | ||
927 | if (nchars == 0) | |
928 | { | |
929 | coding->produced = 0; | |
930 | return NULL; | |
a4decb7f | 931 | } |
177c0ea7 | 932 | |
288d5132 KH |
933 | nbytes = buf - encode_terminal_src; |
934 | coding->source = encode_terminal_src; | |
935 | if (encode_terminal_dst_size == 0) | |
4ae0a2c0 | 936 | { |
288d5132 KH |
937 | encode_terminal_dst_size = encode_terminal_src_size; |
938 | encode_terminal_dst = xmalloc (encode_terminal_dst_size); | |
4ae0a2c0 | 939 | } |
288d5132 KH |
940 | coding->destination = encode_terminal_dst; |
941 | coding->dst_bytes = encode_terminal_dst_size; | |
942 | encode_coding_object (coding, Qnil, 0, 0, nchars, nbytes, Qnil); | |
c5a518df | 943 | /* coding->destination may have been reallocated. */ |
288d5132 KH |
944 | encode_terminal_dst = coding->destination; |
945 | encode_terminal_dst_size = coding->dst_bytes; | |
4ae0a2c0 | 946 | |
288d5132 | 947 | return (encode_terminal_dst); |
a4decb7f KH |
948 | } |
949 | ||
08a24c47 | 950 | |
dfcf069d | 951 | void |
08a24c47 | 952 | write_glyphs (string, len) |
a168702a | 953 | register struct glyph *string; |
08a24c47 JB |
954 | register int len; |
955 | { | |
a4decb7f | 956 | int produced, consumed; |
e52f4e08 GM |
957 | struct frame *sf = XFRAME (selected_frame); |
958 | struct frame *f = updating_frame ? updating_frame : sf; | |
288d5132 KH |
959 | unsigned char *conversion_buffer; |
960 | struct coding_system *coding; | |
08a24c47 JB |
961 | |
962 | if (write_glyphs_hook | |
a168702a | 963 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
964 | { |
965 | (*write_glyphs_hook) (string, len); | |
966 | return; | |
967 | } | |
968 | ||
08a24c47 | 969 | turn_off_insert (); |
d284f58f | 970 | tty_hide_cursor (); |
08a24c47 | 971 | |
a168702a | 972 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 973 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
974 | |
975 | if (AutoWrap | |
9882535b KS |
976 | && curY + 1 == FRAME_LINES (sf) |
977 | && (curX + len) == FRAME_COLS (sf)) | |
08a24c47 | 978 | len --; |
a4decb7f KH |
979 | if (len <= 0) |
980 | return; | |
08a24c47 JB |
981 | |
982 | cmplus (len); | |
177c0ea7 | 983 | |
af645abf KH |
984 | /* If terminal_coding does any conversion, use it, otherwise use |
985 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
986 | because it always return 1 if the member src_multibyte is 1. */ | |
987 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
988 | ? &terminal_coding : &safe_terminal_coding); | |
6589fd67 KH |
989 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
990 | the tail. */ | |
af645abf | 991 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 992 | |
a4decb7f | 993 | while (len > 0) |
08a24c47 | 994 | { |
a168702a | 995 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 996 | int face_id = string->face_id; |
a168702a | 997 | int n; |
177c0ea7 | 998 | |
a168702a | 999 | for (n = 1; n < len; ++n) |
32de38e4 | 1000 | if (string[n].face_id != face_id) |
a168702a GM |
1001 | break; |
1002 | ||
1003 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 1004 | highlight_if_desired (); |
a168702a GM |
1005 | turn_on_face (f, face_id); |
1006 | ||
288d5132 KH |
1007 | if (n == len) |
1008 | /* This is the last run. */ | |
1009 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
1010 | conversion_buffer = encode_terminal_code (string, n, coding); | |
1011 | if (coding->produced > 0) | |
08a24c47 | 1012 | { |
288d5132 KH |
1013 | fwrite (conversion_buffer, 1, coding->produced, stdout); |
1014 | if (ferror (stdout)) | |
1015 | clearerr (stdout); | |
1016 | if (termscript) | |
1017 | fwrite (conversion_buffer, 1, coding->produced, termscript); | |
08a24c47 | 1018 | } |
288d5132 KH |
1019 | len -= n; |
1020 | string += n; | |
a168702a GM |
1021 | |
1022 | /* Turn appearance modes off. */ | |
1023 | turn_off_face (f, face_id); | |
65aa5e85 | 1024 | turn_off_highlight (); |
a4decb7f | 1025 | } |
177c0ea7 | 1026 | |
9a6b6f92 | 1027 | cmcheckmagic (); |
08a24c47 JB |
1028 | } |
1029 | ||
1030 | /* If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 1031 | |
dfcf069d | 1032 | void |
08a24c47 | 1033 | insert_glyphs (start, len) |
a168702a | 1034 | register struct glyph *start; |
08a24c47 JB |
1035 | register int len; |
1036 | { | |
1037 | char *buf; | |
6bbd7a29 | 1038 | struct glyph *glyph = NULL; |
e52f4e08 | 1039 | struct frame *f, *sf; |
af645abf KH |
1040 | unsigned char *conversion_buffer; |
1041 | unsigned char space[1]; | |
1042 | struct coding_system *coding; | |
08a24c47 | 1043 | |
a4decb7f KH |
1044 | if (len <= 0) |
1045 | return; | |
1046 | ||
a168702a | 1047 | if (insert_glyphs_hook) |
08a24c47 JB |
1048 | { |
1049 | (*insert_glyphs_hook) (start, len); | |
1050 | return; | |
1051 | } | |
a168702a | 1052 | |
e52f4e08 GM |
1053 | sf = XFRAME (selected_frame); |
1054 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1055 | |
1056 | if (TS_ins_multi_chars) | |
1057 | { | |
1058 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1059 | OUTPUT1 (buf); | |
9ac0d9e0 | 1060 | xfree (buf); |
08a24c47 JB |
1061 | if (start) |
1062 | write_glyphs (start, len); | |
1063 | return; | |
1064 | } | |
1065 | ||
1066 | turn_on_insert (); | |
1067 | cmplus (len); | |
288d5132 KH |
1068 | |
1069 | if (! start) | |
1070 | space[0] = SPACEGLYPH; | |
1071 | ||
1072 | /* If terminal_coding does any conversion, use it, otherwise use | |
1073 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
1074 | because it always return 1 if the member src_multibyte is 1. */ | |
1075 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
1076 | ? &terminal_coding : &safe_terminal_coding); | |
1077 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at | |
1078 | the tail. */ | |
1079 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
1080 | ||
07109bf9 | 1081 | while (len-- > 0) |
08a24c47 JB |
1082 | { |
1083 | OUTPUT1_IF (TS_ins_char); | |
1084 | if (!start) | |
32de38e4 | 1085 | { |
288d5132 KH |
1086 | conversion_buffer = space; |
1087 | coding->produced = 1; | |
32de38e4 | 1088 | } |
08a24c47 | 1089 | else |
08a24c47 | 1090 | { |
65aa5e85 | 1091 | highlight_if_desired (); |
32de38e4 | 1092 | turn_on_face (f, start->face_id); |
816be8b8 | 1093 | glyph = start; |
a168702a | 1094 | ++start; |
a4decb7f KH |
1095 | /* We must open sufficient space for a character which |
1096 | occupies more than one column. */ | |
a168702a | 1097 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1098 | { |
1099 | OUTPUT1_IF (TS_ins_char); | |
1100 | start++, len--; | |
1101 | } | |
288d5132 KH |
1102 | |
1103 | if (len <= 0) | |
1104 | /* This is the last glyph. */ | |
1105 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
1106 | ||
1107 | conversion_buffer = encode_terminal_code (glyph, 1, coding); | |
32de38e4 | 1108 | } |
a4decb7f | 1109 | |
288d5132 | 1110 | if (coding->produced > 0) |
08a24c47 | 1111 | { |
288d5132 | 1112 | fwrite (conversion_buffer, 1, coding->produced, stdout); |
08a24c47 JB |
1113 | if (ferror (stdout)) |
1114 | clearerr (stdout); | |
1115 | if (termscript) | |
288d5132 | 1116 | fwrite (conversion_buffer, 1, coding->produced, termscript); |
08a24c47 JB |
1117 | } |
1118 | ||
9a6b6f92 | 1119 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1120 | if (start) |
65aa5e85 GM |
1121 | { |
1122 | turn_off_face (f, glyph->face_id); | |
1123 | turn_off_highlight (); | |
1124 | } | |
9a6b6f92 | 1125 | } |
177c0ea7 | 1126 | |
9a6b6f92 | 1127 | cmcheckmagic (); |
08a24c47 JB |
1128 | } |
1129 | ||
dfcf069d | 1130 | void |
08a24c47 JB |
1131 | delete_glyphs (n) |
1132 | register int n; | |
1133 | { | |
1134 | char *buf; | |
1135 | register int i; | |
1136 | ||
1820044b | 1137 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1138 | { |
1139 | (*delete_glyphs_hook) (n); | |
1140 | return; | |
1141 | } | |
1142 | ||
1143 | if (delete_in_insert_mode) | |
1144 | { | |
1145 | turn_on_insert (); | |
1146 | } | |
1147 | else | |
1148 | { | |
1149 | turn_off_insert (); | |
1150 | OUTPUT_IF (TS_delete_mode); | |
1151 | } | |
1152 | ||
1153 | if (TS_del_multi_chars) | |
1154 | { | |
1155 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1156 | OUTPUT1 (buf); | |
9ac0d9e0 | 1157 | xfree (buf); |
08a24c47 JB |
1158 | } |
1159 | else | |
1160 | for (i = 0; i < n; i++) | |
1161 | OUTPUT1 (TS_del_char); | |
1162 | if (!delete_in_insert_mode) | |
1163 | OUTPUT_IF (TS_end_delete_mode); | |
1164 | } | |
1165 | \f | |
1166 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1167 | ||
dfcf069d | 1168 | void |
08a24c47 JB |
1169 | ins_del_lines (vpos, n) |
1170 | int vpos, n; | |
1171 | { | |
1172 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1173 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1174 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1175 | struct frame *sf; |
08a24c47 JB |
1176 | |
1177 | register int i = n > 0 ? n : -n; | |
1178 | register char *buf; | |
1179 | ||
1820044b | 1180 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1181 | { |
1182 | (*ins_del_lines_hook) (vpos, n); | |
1183 | return; | |
1184 | } | |
1185 | ||
e52f4e08 | 1186 | sf = XFRAME (selected_frame); |
177c0ea7 | 1187 | |
08a24c47 JB |
1188 | /* If the lines below the insertion are being pushed |
1189 | into the end of the window, this is the same as clearing; | |
1190 | and we know the lines are already clear, since the matching | |
1191 | deletion has already been done. So can ignore this. */ | |
1192 | /* If the lines below the deletion are blank lines coming | |
1193 | out of the end of the window, don't bother, | |
1194 | as there will be a matching inslines later that will flush them. */ | |
1195 | if (scroll_region_ok && vpos + i >= specified_window) | |
1196 | return; | |
9882535b | 1197 | if (!memory_below_frame && vpos + i >= FRAME_LINES (sf)) |
08a24c47 JB |
1198 | return; |
1199 | ||
1200 | if (multi) | |
1201 | { | |
1202 | raw_cursor_to (vpos, 0); | |
1203 | background_highlight (); | |
1204 | buf = tparam (multi, 0, 0, i); | |
1205 | OUTPUT (buf); | |
9ac0d9e0 | 1206 | xfree (buf); |
08a24c47 JB |
1207 | } |
1208 | else if (single) | |
1209 | { | |
1210 | raw_cursor_to (vpos, 0); | |
1211 | background_highlight (); | |
1212 | while (--i >= 0) | |
1213 | OUTPUT (single); | |
1214 | if (TF_teleray) | |
1215 | curX = 0; | |
1216 | } | |
1217 | else | |
1218 | { | |
1219 | set_scroll_region (vpos, specified_window); | |
1220 | if (n < 0) | |
1221 | raw_cursor_to (specified_window - 1, 0); | |
1222 | else | |
1223 | raw_cursor_to (vpos, 0); | |
1224 | background_highlight (); | |
1225 | while (--i >= 0) | |
1226 | OUTPUTL (scroll, specified_window - vpos); | |
1227 | set_scroll_region (0, specified_window); | |
1228 | } | |
1229 | ||
ff11dfa1 | 1230 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1231 | { |
9882535b | 1232 | cursor_to (FRAME_LINES (sf) + n, 0); |
08a24c47 JB |
1233 | clear_to_end (); |
1234 | } | |
1235 | } | |
1236 | \f | |
1237 | /* Compute cost of sending "str", in characters, | |
1238 | not counting any line-dependent padding. */ | |
1239 | ||
1240 | int | |
1241 | string_cost (str) | |
1242 | char *str; | |
1243 | { | |
1244 | cost = 0; | |
1245 | if (str) | |
1246 | tputs (str, 0, evalcost); | |
1247 | return cost; | |
1248 | } | |
1249 | ||
1250 | /* Compute cost of sending "str", in characters, | |
1251 | counting any line-dependent padding at one line. */ | |
1252 | ||
1253 | static int | |
1254 | string_cost_one_line (str) | |
1255 | char *str; | |
1256 | { | |
1257 | cost = 0; | |
1258 | if (str) | |
1259 | tputs (str, 1, evalcost); | |
1260 | return cost; | |
1261 | } | |
1262 | ||
1263 | /* Compute per line amount of line-dependent padding, | |
1264 | in tenths of characters. */ | |
1265 | ||
1266 | int | |
1267 | per_line_cost (str) | |
1268 | register char *str; | |
1269 | { | |
1270 | cost = 0; | |
1271 | if (str) | |
1272 | tputs (str, 0, evalcost); | |
1273 | cost = - cost; | |
1274 | if (str) | |
1275 | tputs (str, 10, evalcost); | |
1276 | return cost; | |
1277 | } | |
1278 | ||
1279 | #ifndef old | |
1280 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1281 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1282 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1283 | |
1284 | int *char_ins_del_vector; | |
1285 | ||
9882535b | 1286 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1287 | #endif |
1288 | ||
1289 | /* ARGSUSED */ | |
1290 | static void | |
ff11dfa1 JB |
1291 | calculate_ins_del_char_costs (frame) |
1292 | FRAME_PTR frame; | |
08a24c47 JB |
1293 | { |
1294 | int ins_startup_cost, del_startup_cost; | |
1295 | int ins_cost_per_char, del_cost_per_char; | |
1296 | register int i; | |
1297 | register int *p; | |
1298 | ||
1299 | if (TS_ins_multi_chars) | |
1300 | { | |
1301 | ins_cost_per_char = 0; | |
1302 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1303 | } | |
1304 | else if (TS_ins_char || TS_pad_inserted_char | |
1305 | || (TS_insert_mode && TS_end_insert_mode)) | |
1306 | { | |
1307 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1308 | + string_cost (TS_end_insert_mode))) / 100; | |
1309 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1310 | + string_cost_one_line (TS_pad_inserted_char)); | |
1311 | } | |
1312 | else | |
1313 | { | |
1314 | ins_startup_cost = 9999; | |
1315 | ins_cost_per_char = 0; | |
1316 | } | |
1317 | ||
1318 | if (TS_del_multi_chars) | |
1319 | { | |
1320 | del_cost_per_char = 0; | |
1321 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1322 | } | |
1323 | else if (TS_del_char) | |
1324 | { | |
1325 | del_startup_cost = (string_cost (TS_delete_mode) | |
1326 | + string_cost (TS_end_delete_mode)); | |
1327 | if (delete_in_insert_mode) | |
1328 | del_startup_cost /= 2; | |
1329 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1330 | } | |
1331 | else | |
1332 | { | |
1333 | del_startup_cost = 9999; | |
1334 | del_cost_per_char = 0; | |
1335 | } | |
1336 | ||
1337 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1338 | p = &char_ins_del_cost (frame)[0]; |
9882535b | 1339 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1340 | *--p = (del_startup_cost += del_cost_per_char); |
1341 | ||
1342 | /* Doing nothing is free */ | |
ff11dfa1 | 1343 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1344 | *p++ = 0; |
1345 | ||
1346 | /* Insert costs are at positive offsets */ | |
9882535b | 1347 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1348 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1349 | } | |
1350 | ||
dfcf069d | 1351 | void |
ff11dfa1 JB |
1352 | calculate_costs (frame) |
1353 | FRAME_PTR frame; | |
08a24c47 | 1354 | { |
9f732a77 RS |
1355 | register char *f = (TS_set_scroll_region |
1356 | ? TS_set_scroll_region | |
1357 | : TS_set_scroll_region_1); | |
08a24c47 | 1358 | |
9f732a77 | 1359 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1360 | |
be7cd44f | 1361 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1362 | |
1363 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1364 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1365 | |
1366 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
8ede64a5 | 1367 | X turns off char_ins_del_ok. */ |
08a24c47 | 1368 | |
9882535b KS |
1369 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1370 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
8dd0c7cb | 1371 | |
8ede64a5 | 1372 | costs_set = 1; |
08a24c47 JB |
1373 | |
1374 | if (char_ins_del_vector != 0) | |
1375 | char_ins_del_vector | |
1376 | = (int *) xrealloc (char_ins_del_vector, | |
1377 | (sizeof (int) | |
9882535b | 1378 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 JB |
1379 | else |
1380 | char_ins_del_vector | |
1381 | = (int *) xmalloc (sizeof (int) | |
9882535b | 1382 | + 2 * max_frame_cols * sizeof (int)); |
08a24c47 | 1383 | |
08a24c47 | 1384 | bzero (char_ins_del_vector, (sizeof (int) |
9882535b | 1385 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 | 1386 | |
ff11dfa1 JB |
1387 | if (f && (!TS_ins_line && !TS_del_line)) |
1388 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1389 | TS_rev_scroll, TS_ins_multi_lines, |
1390 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1391 | f, f, 1); |
08a24c47 | 1392 | else |
ff11dfa1 | 1393 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1394 | TS_ins_line, TS_ins_multi_lines, |
1395 | TS_del_line, TS_del_multi_lines, | |
1396 | 0, 0, 1); | |
1397 | ||
ff11dfa1 | 1398 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1399 | |
1400 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1401 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1402 | RPov = string_cost (TS_repeat); | |
1403 | else | |
9882535b | 1404 | RPov = FRAME_COLS (frame) * 2; |
08a24c47 JB |
1405 | |
1406 | cmcostinit (); /* set up cursor motion costs */ | |
1407 | } | |
1408 | \f | |
a796ac82 JB |
1409 | struct fkey_table { |
1410 | char *cap, *name; | |
1411 | }; | |
1412 | ||
01d8deb0 ER |
1413 | /* Termcap capability names that correspond directly to X keysyms. |
1414 | Some of these (marked "terminfo") aren't supplied by old-style | |
1415 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1416 | except we put the keypad keys first, so that if they clash with | |
1417 | other keys (as on the IBM PC keyboard) they get overridden. | |
1418 | */ | |
1419 | ||
a168702a GM |
1420 | static struct fkey_table keys[] = |
1421 | { | |
8103ad1a PJ |
1422 | {"kh", "home"}, /* termcap */ |
1423 | {"kl", "left"}, /* termcap */ | |
1424 | {"ku", "up"}, /* termcap */ | |
1425 | {"kr", "right"}, /* termcap */ | |
1426 | {"kd", "down"}, /* termcap */ | |
1427 | {"%8", "prior"}, /* terminfo */ | |
1428 | {"%5", "next"}, /* terminfo */ | |
1429 | {"@7", "end"}, /* terminfo */ | |
1430 | {"@1", "begin"}, /* terminfo */ | |
1431 | {"*6", "select"}, /* terminfo */ | |
1432 | {"%9", "print"}, /* terminfo */ | |
1433 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1434 | /* |
1435 | * "insert" --- see below | |
1436 | */ | |
8103ad1a PJ |
1437 | {"&8", "undo"}, /* terminfo */ |
1438 | {"%0", "redo"}, /* terminfo */ | |
1439 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1440 | {"@0", "find"}, /* terminfo */ | |
1441 | {"@2", "cancel"}, /* terminfo */ | |
1442 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1443 | /* |
1444 | * "break" goes here, but can't be reliably intercepted with termcap | |
1445 | */ | |
8103ad1a | 1446 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1447 | /* |
1448 | * "system" and "user" --- no termcaps | |
1449 | */ | |
8103ad1a PJ |
1450 | {"kE", "clearline"}, /* terminfo */ |
1451 | {"kA", "insertline"}, /* terminfo */ | |
1452 | {"kL", "deleteline"}, /* terminfo */ | |
1453 | {"kI", "insertchar"}, /* terminfo */ | |
1454 | {"kD", "deletechar"}, /* terminfo */ | |
1455 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1456 | /* |
1457 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1458 | */ | |
8103ad1a | 1459 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1460 | /* |
1461 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1462 | * "kp-multiply", "kp-add", "kp-separator", | |
1463 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1464 | * --- no termcaps for any of these. | |
1465 | */ | |
8103ad1a | 1466 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1467 | /* |
1468 | * "kp-2" --- no termcap | |
1469 | */ | |
8103ad1a | 1470 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1471 | /* |
1472 | * "kp-4" --- no termcap | |
1473 | */ | |
8103ad1a | 1474 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1475 | /* |
1476 | * "kp-6" --- no termcap | |
1477 | */ | |
8103ad1a | 1478 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1479 | /* |
1480 | * "kp-8" --- no termcap | |
1481 | */ | |
8103ad1a | 1482 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1483 | /* |
1484 | * "kp-equal" --- no termcap | |
1485 | */ | |
8103ad1a PJ |
1486 | {"k1", "f1"}, |
1487 | {"k2", "f2"}, | |
1488 | {"k3", "f3"}, | |
1489 | {"k4", "f4"}, | |
1490 | {"k5", "f5"}, | |
1491 | {"k6", "f6"}, | |
1492 | {"k7", "f7"}, | |
1493 | {"k8", "f8"}, | |
60ec7b7e DN |
1494 | {"k9", "f9"}, |
1495 | ||
1496 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1497 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1498 | {"*0", "S-find"}, /*shifted find key*/ | |
1499 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1500 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1501 | {"*7", "S-end"}, /*shifted end key*/ | |
1502 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1503 | {"#1", "S-help"}, /*shifted help key*/ | |
1504 | {"#2", "S-home"}, /*shifted home key*/ | |
1505 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1506 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1507 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1508 | {"%c", "S-next"}, /*shifted next key*/ | |
1509 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1510 | {"%f", "S-print"}, /*shifted print key*/ | |
1511 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1512 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1513 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1514 | }; |
1515 | ||
f2a00342 RM |
1516 | static char **term_get_fkeys_arg; |
1517 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1518 | |
01d8deb0 | 1519 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1520 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1521 | adds entries to Vfunction_key_map for each function key it finds. */ |
1522 | ||
5c2c7893 JB |
1523 | void |
1524 | term_get_fkeys (address) | |
1525 | char **address; | |
f2a00342 RM |
1526 | { |
1527 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1528 | errors during the call. The only errors should be from Fdefine_key | |
1529 | when given a key sequence containing an invalid prefix key. If the | |
1530 | termcap defines function keys which use a prefix that is already bound | |
1531 | to a command by the default bindings, we should silently ignore that | |
1532 | function key specification, rather than giving the user an error and | |
1533 | refusing to run at all on such a terminal. */ | |
1534 | ||
1535 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1536 | term_get_fkeys_arg = address; |
1537 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1538 | } | |
1539 | ||
1540 | static Lisp_Object | |
1541 | term_get_fkeys_1 () | |
5c2c7893 | 1542 | { |
5c2c7893 JB |
1543 | int i; |
1544 | ||
37085233 | 1545 | char **address = term_get_fkeys_arg; |
f778aff2 | 1546 | |
3e65092f RS |
1547 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1548 | if (!initialized) | |
1549 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1550 | ||
5c2c7893 JB |
1551 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1552 | { | |
1553 | char *sequence = tgetstr (keys[i].cap, address); | |
1554 | if (sequence) | |
f2a00342 RM |
1555 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1556 | Fmake_vector (make_number (1), | |
1557 | intern (keys[i].name))); | |
5c2c7893 | 1558 | } |
a796ac82 JB |
1559 | |
1560 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1561 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1562 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1563 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1564 | */ | |
1565 | { | |
1566 | char *k_semi = tgetstr ("k;", address); | |
1567 | char *k0 = tgetstr ("k0", address); | |
1568 | char *k0_name = "f10"; | |
1569 | ||
1570 | if (k_semi) | |
1571 | { | |
95c11956 SM |
1572 | if (k0) |
1573 | /* Define f0 first, so that f10 takes precedence in case the | |
1574 | key sequences happens to be the same. */ | |
1575 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1576 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1577 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1578 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1579 | } |
95c11956 | 1580 | else if (k0) |
f2a00342 RM |
1581 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1582 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1583 | } |
01d8deb0 ER |
1584 | |
1585 | /* Set up cookies for numbered function keys above f10. */ | |
1586 | { | |
1587 | char fcap[3], fkey[4]; | |
1588 | ||
fc4f24da | 1589 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1590 | for (i = 11; i < 64; i++) |
1591 | { | |
1592 | if (i <= 19) | |
1593 | fcap[1] = '1' + i - 11; | |
1594 | else if (i <= 45) | |
b59ab95c | 1595 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1596 | else |
b59ab95c | 1597 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1598 | |
fc4f24da RS |
1599 | { |
1600 | char *sequence = tgetstr (fcap, address); | |
1601 | if (sequence) | |
1602 | { | |
465db27b | 1603 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1604 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1605 | Fmake_vector (make_number (1), | |
1606 | intern (fkey))); | |
fc4f24da RS |
1607 | } |
1608 | } | |
01d8deb0 ER |
1609 | } |
1610 | } | |
1611 | ||
1612 | /* | |
1613 | * Various mappings to try and get a better fit. | |
1614 | */ | |
1615 | { | |
fc4f24da RS |
1616 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1617 | if (!tgetstr (cap1, address)) \ | |
1618 | { \ | |
1619 | char *sequence = tgetstr (cap2, address); \ | |
1620 | if (sequence) \ | |
f2a00342 RM |
1621 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1622 | Fmake_vector (make_number (1), \ | |
1623 | intern (sym))); \ | |
fc4f24da | 1624 | } |
177c0ea7 | 1625 | |
01d8deb0 | 1626 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1627 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1628 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1629 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1630 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1631 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1632 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1633 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1634 | |
1635 | /* IBM has their own non-standard dialect of terminfo. | |
1636 | If the standard name isn't found, try the IBM name. */ | |
1637 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1638 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1639 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1640 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1641 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1642 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1643 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1644 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1645 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1646 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1647 | } |
a168702a GM |
1648 | |
1649 | return Qnil; | |
5c2c7893 JB |
1650 | } |
1651 | ||
1652 | \f | |
a168702a GM |
1653 | /*********************************************************************** |
1654 | Character Display Information | |
1655 | ***********************************************************************/ | |
1656 | ||
1657 | static void append_glyph P_ ((struct it *)); | |
6b61353c | 1658 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1659 | |
1660 | ||
1661 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1662 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1663 | the character for which to produce glyphs; IT->face_id contains the | |
1664 | character's face. Padding glyphs are appended if IT->c has a | |
1665 | IT->pixel_width > 1. */ | |
177c0ea7 | 1666 | |
a168702a GM |
1667 | static void |
1668 | append_glyph (it) | |
1669 | struct it *it; | |
1670 | { | |
1671 | struct glyph *glyph, *end; | |
1672 | int i; | |
1673 | ||
1674 | xassert (it->glyph_row); | |
1675 | glyph = (it->glyph_row->glyphs[it->area] | |
1676 | + it->glyph_row->used[it->area]); | |
1677 | end = it->glyph_row->glyphs[1 + it->area]; | |
1678 | ||
177c0ea7 JB |
1679 | for (i = 0; |
1680 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1681 | ++i) |
1682 | { | |
1683 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1684 | glyph->pixel_width = 1; |
d2b4c17d | 1685 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1686 | glyph->face_id = it->face_id; |
1687 | glyph->padding_p = i > 0; | |
a168702a GM |
1688 | glyph->charpos = CHARPOS (it->position); |
1689 | glyph->object = it->object; | |
177c0ea7 | 1690 | |
a168702a GM |
1691 | ++it->glyph_row->used[it->area]; |
1692 | ++glyph; | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | ||
b50fe468 RS |
1697 | /* Produce glyphs for the display element described by IT. *IT |
1698 | specifies what we want to produce a glyph for (character, image, ...), | |
1699 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1700 | produce_glyphs fills in output fields of *IT with information such as the | |
1701 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1702 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1703 | struct display_iterator in dispextern.h for an overview. |
1704 | ||
1705 | produce_glyphs also stores the result of glyph width, ascent | |
1706 | etc. computations in *IT. | |
1707 | ||
1708 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1709 | actually fill in the glyphs. This is used in the move_* functions | |
1710 | in xdisp.c for text width and height computations. | |
1711 | ||
1712 | Callers usually don't call produce_glyphs directly; | |
1713 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1714 | |
177c0ea7 | 1715 | void |
a168702a GM |
1716 | produce_glyphs (it) |
1717 | struct it *it; | |
1718 | { | |
1719 | /* If a hook is installed, let it do the work. */ | |
1720 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1721 | || it->what == IT_COMPOSITION |
a168702a | 1722 | || it->what == IT_STRETCH); |
177c0ea7 | 1723 | |
6b61353c KH |
1724 | if (it->what == IT_STRETCH) |
1725 | { | |
1726 | produce_stretch_glyph (it); | |
1727 | goto done; | |
1728 | } | |
1729 | ||
c7cba11d KH |
1730 | /* Nothing but characters are supported on terminal frames. For a |
1731 | composition sequence, it->c is the first character of the | |
1732 | sequence. */ | |
1733 | xassert (it->what == IT_CHARACTER | |
1734 | || it->what == IT_COMPOSITION); | |
a168702a | 1735 | |
d2b4c17d KH |
1736 | /* Maybe translate single-byte characters to multibyte. */ |
1737 | it->char_to_display = it->c; | |
1738 | ||
a168702a GM |
1739 | if (it->c >= 040 && it->c < 0177) |
1740 | { | |
1741 | it->pixel_width = it->nglyphs = 1; | |
1742 | if (it->glyph_row) | |
1743 | append_glyph (it); | |
1744 | } | |
1745 | else if (it->c == '\n') | |
1746 | it->pixel_width = it->nglyphs = 0; | |
1747 | else if (it->c == '\t') | |
1748 | { | |
2efdbcdd | 1749 | int absolute_x = (it->current_x |
a168702a | 1750 | + it->continuation_lines_width); |
177c0ea7 JB |
1751 | int next_tab_x |
1752 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1753 | / it->tab_width) |
1754 | * it->tab_width); | |
1755 | int nspaces; | |
1756 | ||
1757 | /* If part of the TAB has been displayed on the previous line | |
1758 | which is continued now, continuation_lines_width will have | |
1759 | been incremented already by the part that fitted on the | |
1760 | continued line. So, we will get the right number of spaces | |
1761 | here. */ | |
1762 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1763 | |
a168702a GM |
1764 | if (it->glyph_row) |
1765 | { | |
1766 | int n = nspaces; | |
177c0ea7 | 1767 | |
d2b4c17d | 1768 | it->char_to_display = ' '; |
a168702a | 1769 | it->pixel_width = it->len = 1; |
177c0ea7 | 1770 | |
a168702a GM |
1771 | while (n--) |
1772 | append_glyph (it); | |
a168702a GM |
1773 | } |
1774 | ||
1775 | it->pixel_width = nspaces; | |
1776 | it->nglyphs = nspaces; | |
1777 | } | |
c5a518df | 1778 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1779 | { |
c5a518df KH |
1780 | /* We must send the raw 8-bit byte as is to the terminal. |
1781 | Although there's no way to know how many columns it occupies | |
1782 | on a screen, it is a good assumption that a single byte code | |
1783 | has 1-column width. */ | |
add44890 EZ |
1784 | it->pixel_width = it->nglyphs = 1; |
1785 | if (it->glyph_row) | |
1786 | append_glyph (it); | |
1787 | } | |
a168702a GM |
1788 | else |
1789 | { | |
9332ea03 | 1790 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1791 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1792 | |
a168702a GM |
1793 | if (it->glyph_row) |
1794 | append_glyph (it); | |
1795 | } | |
1796 | ||
6b61353c | 1797 | done: |
177c0ea7 | 1798 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1799 | the caller. */ |
1800 | if (it->area == TEXT_AREA) | |
1801 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1802 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1803 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1804 | } |
1805 | ||
1806 | ||
6b61353c KH |
1807 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1808 | of the glyph property displayed. The value must be a list | |
1809 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1810 | being recognized: | |
1811 | ||
1812 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1813 | canonical char width wide. WIDTH may be an integer or floating | |
1814 | point number. | |
1815 | ||
1816 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1817 | to reach HPOS, a value in canonical character units. */ | |
1818 | ||
1819 | static void | |
1820 | produce_stretch_glyph (it) | |
1821 | struct it *it; | |
1822 | { | |
1823 | /* (space :width WIDTH ...) */ | |
1824 | Lisp_Object prop, plist; | |
1825 | int width = 0, align_to = -1; | |
1826 | int zero_width_ok_p = 0; | |
1827 | double tem; | |
1828 | ||
1829 | /* List should start with `space'. */ | |
1830 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1831 | plist = XCDR (it->object); | |
1832 | ||
1833 | /* Compute the width of the stretch. */ | |
1834 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1835 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1836 | { | |
1837 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1838 | zero_width_ok_p = 1; | |
1839 | width = (int)(tem + 0.5); | |
1840 | } | |
1841 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1842 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1843 | { | |
1844 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1845 | align_to = (align_to < 0 |
6b61353c KH |
1846 | ? 0 |
1847 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1848 | else if (align_to < 0) | |
1849 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1850 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1851 | zero_width_ok_p = 1; | |
1852 | } | |
1853 | else | |
1854 | /* Nothing specified -> width defaults to canonical char width. */ | |
1855 | width = FRAME_COLUMN_WIDTH (it->f); | |
1856 | ||
1857 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1858 | width = 1; | |
1859 | ||
1860 | if (width > 0 && it->glyph_row) | |
1861 | { | |
1862 | Lisp_Object o_object = it->object; | |
1863 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1864 | int n = width; | |
6b61353c KH |
1865 | |
1866 | if (!STRINGP (object)) | |
1867 | object = it->w->buffer; | |
1868 | it->object = object; | |
d2b4c17d | 1869 | it->char_to_display = ' '; |
6b61353c KH |
1870 | it->pixel_width = it->len = 1; |
1871 | while (n--) | |
1872 | append_glyph (it); | |
1873 | it->object = o_object; | |
6b61353c KH |
1874 | } |
1875 | it->pixel_width = width; | |
1876 | it->nglyphs = width; | |
1877 | } | |
1878 | ||
1879 | ||
a168702a GM |
1880 | /* Get information about special display element WHAT in an |
1881 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1882 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1883 | non-null glyph_row member. This function ensures that fields like | |
1884 | face_id, c, len of IT are left untouched. */ | |
1885 | ||
1886 | void | |
1887 | produce_special_glyphs (it, what) | |
1888 | struct it *it; | |
1889 | enum display_element_type what; | |
1890 | { | |
1891 | struct it temp_it; | |
072d84a6 | 1892 | GLYPH glyph; |
177c0ea7 | 1893 | |
a168702a GM |
1894 | temp_it = *it; |
1895 | temp_it.dp = NULL; | |
1896 | temp_it.what = IT_CHARACTER; | |
1897 | temp_it.len = 1; | |
7c752c80 | 1898 | temp_it.object = make_number (0); |
a168702a GM |
1899 | bzero (&temp_it.current, sizeof temp_it.current); |
1900 | ||
1901 | if (what == IT_CONTINUATION) | |
1902 | { | |
1903 | /* Continuation glyph. */ | |
1904 | if (it->dp | |
1905 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1906 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1907 | { | |
072d84a6 RS |
1908 | glyph = XINT (DISP_CONTINUE_GLYPH (it->dp)); |
1909 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1910 | } |
1911 | else | |
072d84a6 | 1912 | glyph = '\\'; |
a168702a GM |
1913 | } |
1914 | else if (what == IT_TRUNCATION) | |
1915 | { | |
1916 | /* Truncation glyph. */ | |
1917 | if (it->dp | |
1918 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1919 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1920 | { | |
072d84a6 RS |
1921 | glyph = XINT (DISP_TRUNC_GLYPH (it->dp)); |
1922 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1923 | } |
1924 | else | |
072d84a6 | 1925 | glyph = '$'; |
a168702a GM |
1926 | } |
1927 | else | |
1928 | abort (); | |
072d84a6 RS |
1929 | |
1930 | temp_it.c = FAST_GLYPH_CHAR (glyph); | |
1931 | temp_it.face_id = FAST_GLYPH_FACE (glyph); | |
1932 | temp_it.len = CHAR_BYTES (temp_it.c); | |
1933 | ||
1934 | produce_glyphs (&temp_it); | |
1935 | it->pixel_width = temp_it.pixel_width; | |
1936 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1937 | } |
1938 | ||
1939 | ||
a168702a GM |
1940 | \f |
1941 | /*********************************************************************** | |
1942 | Faces | |
1943 | ***********************************************************************/ | |
1944 | ||
4e6ba4a4 GM |
1945 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1946 | one of the enumerators from enum no_color_bit, or a bit set built | |
1947 | from them. Some display attributes may not be used together with | |
1948 | color; the termcap capability `NC' specifies which ones. */ | |
1949 | ||
1950 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
1951 | (TN_max_colors > 0 \ | |
1952 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
1953 | : 1) | |
a168702a | 1954 | |
072d84a6 RS |
1955 | /* Turn appearances of face FACE_ID on tty frame F on. |
1956 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1957 | |
1958 | static void | |
1959 | turn_on_face (f, face_id) | |
1960 | struct frame *f; | |
1961 | int face_id; | |
1962 | { | |
1963 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1964 | long fg = face->foreground; |
1965 | long bg = face->background; | |
a168702a | 1966 | |
86a7d192 GM |
1967 | /* Do this first because TS_end_standout_mode may be the same |
1968 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
1969 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) | |
1970 | { | |
1971 | if (TN_max_colors > 0) | |
1972 | { | |
1973 | if (fg >= 0 && bg >= 0) | |
1974 | { | |
1975 | /* If the terminal supports colors, we can set them | |
1976 | below without using reverse video. The face's fg | |
1977 | and bg colors are set as they should appear on | |
1978 | the screen, i.e. they take the inverse-video'ness | |
1979 | of the face already into account. */ | |
1980 | } | |
1981 | else if (inverse_video) | |
1982 | { | |
1983 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1984 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
1985 | toggle_highlight (); | |
1986 | } | |
1987 | else | |
1988 | { | |
1989 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1990 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
1991 | toggle_highlight (); | |
1992 | } | |
1993 | } | |
1994 | else | |
1995 | { | |
1996 | /* If we can't display colors, use reverse video | |
1997 | if the face specifies that. */ | |
37526b42 GM |
1998 | if (inverse_video) |
1999 | { | |
2000 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2001 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2002 | toggle_highlight (); | |
2003 | } | |
2004 | else | |
2005 | { | |
2006 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2007 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2008 | toggle_highlight (); | |
2009 | } | |
86a7d192 GM |
2010 | } |
2011 | } | |
a168702a GM |
2012 | |
2013 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
2014 | { |
2015 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
2016 | OUTPUT1_IF (TS_enter_bold_mode); | |
2017 | } | |
a168702a | 2018 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
2019 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
2020 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
2021 | |
2022 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
2023 | if (face->tty_alt_charset_p |
2024 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
2025 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
2026 | ||
4e6ba4a4 GM |
2027 | if (face->tty_blinking_p |
2028 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
2029 | OUTPUT1_IF (TS_enter_blink_mode); |
2030 | ||
54800acb | 2031 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) |
a168702a GM |
2032 | OUTPUT1_IF (TS_enter_underline_mode); |
2033 | ||
a168702a GM |
2034 | if (TN_max_colors > 0) |
2035 | { | |
753d161b | 2036 | char *ts, *p; |
177c0ea7 | 2037 | |
753d161b JL |
2038 | ts = standout_mode ? TS_set_background : TS_set_foreground; |
2039 | if (fg >= 0 && ts) | |
a168702a | 2040 | { |
753d161b | 2041 | p = tparam (ts, NULL, 0, (int) fg); |
a168702a GM |
2042 | OUTPUT (p); |
2043 | xfree (p); | |
2044 | } | |
2045 | ||
753d161b JL |
2046 | ts = standout_mode ? TS_set_foreground : TS_set_background; |
2047 | if (bg >= 0 && ts) | |
a168702a | 2048 | { |
753d161b | 2049 | p = tparam (ts, NULL, 0, (int) bg); |
a168702a GM |
2050 | OUTPUT (p); |
2051 | xfree (p); | |
2052 | } | |
2053 | } | |
2054 | } | |
177c0ea7 | 2055 | |
a168702a GM |
2056 | |
2057 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2058 | ||
2059 | static void | |
2060 | turn_off_face (f, face_id) | |
2061 | struct frame *f; | |
2062 | int face_id; | |
2063 | { | |
2064 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2065 | |
2066 | xassert (face != NULL); | |
2067 | ||
2068 | if (TS_exit_attribute_mode) | |
2069 | { | |
2070 | /* Capability "me" will turn off appearance modes double-bright, | |
2071 | half-bright, reverse-video, standout, underline. It may or | |
2072 | may not turn off alt-char-mode. */ | |
2073 | if (face->tty_bold_p | |
2074 | || face->tty_dim_p | |
2075 | || face->tty_reverse_p | |
2076 | || face->tty_alt_charset_p | |
2077 | || face->tty_blinking_p | |
2078 | || face->tty_underline_p) | |
65aa5e85 GM |
2079 | { |
2080 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2081 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
2082 | standout_mode = 0; | |
2083 | } | |
a168702a GM |
2084 | |
2085 | if (face->tty_alt_charset_p) | |
2086 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2087 | } | |
2088 | else | |
2089 | { | |
2090 | /* If we don't have "me" we can only have those appearances | |
2091 | that have exit sequences defined. */ | |
2092 | if (face->tty_alt_charset_p) | |
2093 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2094 | ||
54800acb | 2095 | if (face->tty_underline_p) |
a168702a GM |
2096 | OUTPUT_IF (TS_exit_underline_mode); |
2097 | } | |
2098 | ||
2099 | /* Switch back to default colors. */ | |
2100 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2101 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2102 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2103 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2104 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2105 | OUTPUT1_IF (TS_orig_pair); |
2106 | } | |
177c0ea7 JB |
2107 | |
2108 | ||
b63a55ac MB |
2109 | /* Return non-zero if the terminal on frame F supports all of the |
2110 | capabilities in CAPS simultaneously, with foreground and background | |
2111 | colors FG and BG. */ | |
2112 | ||
4a8130f2 MB |
2113 | int |
2114 | tty_capable_p (f, caps, fg, bg) | |
b63a55ac MB |
2115 | struct frame *f; |
2116 | unsigned caps; | |
2117 | unsigned long fg, bg; | |
2118 | { | |
2119 | #define TTY_CAPABLE_P_TRY(cap, TS, NC_bit) \ | |
2120 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(NC_bit))) \ | |
2121 | return 0; | |
2122 | ||
2123 | TTY_CAPABLE_P_TRY (TTY_CAP_INVERSE, TS_standout_mode, NC_REVERSE); | |
2124 | TTY_CAPABLE_P_TRY (TTY_CAP_UNDERLINE, TS_enter_underline_mode, NC_UNDERLINE); | |
2125 | TTY_CAPABLE_P_TRY (TTY_CAP_BOLD, TS_enter_bold_mode, NC_BOLD); | |
2126 | TTY_CAPABLE_P_TRY (TTY_CAP_DIM, TS_enter_dim_mode, NC_DIM); | |
2127 | TTY_CAPABLE_P_TRY (TTY_CAP_BLINK, TS_enter_blink_mode, NC_BLINK); | |
2128 | TTY_CAPABLE_P_TRY (TTY_CAP_ALT_CHARSET, TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
2129 | ||
2130 | /* We can do it! */ | |
2131 | return 1; | |
2132 | } | |
2133 | ||
2134 | ||
a168702a GM |
2135 | /* Return non-zero if the terminal is capable to display colors. */ |
2136 | ||
2137 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2138 | 0, 1, 0, |
99fdd6bc EZ |
2139 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
2140 | (display) | |
2141 | Lisp_Object display; | |
a168702a GM |
2142 | { |
2143 | return TN_max_colors > 0 ? Qt : Qnil; | |
2144 | } | |
2145 | ||
bfa62f96 EZ |
2146 | /* Return the number of supported colors. */ |
2147 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2148 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
2149 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
2150 | (display) | |
2151 | Lisp_Object display; | |
bfa62f96 EZ |
2152 | { |
2153 | return make_number (TN_max_colors); | |
2154 | } | |
2155 | ||
ace28297 | 2156 | #ifndef WINDOWSNT |
a168702a | 2157 | |
ace28297 EZ |
2158 | /* Save or restore the default color-related capabilities of this |
2159 | terminal. */ | |
2160 | static void | |
2161 | tty_default_color_capabilities (save) | |
2162 | int save; | |
2163 | { | |
2164 | static char | |
2165 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
2166 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
2167 | ||
2168 | if (save) | |
2169 | { | |
2170 | if (default_orig_pair) | |
2171 | xfree (default_orig_pair); | |
2172 | default_orig_pair = TS_orig_pair ? xstrdup (TS_orig_pair) : NULL; | |
2173 | ||
2174 | if (default_set_foreground) | |
2175 | xfree (default_set_foreground); | |
2176 | default_set_foreground = TS_set_foreground ? xstrdup (TS_set_foreground) | |
2177 | : NULL; | |
2178 | ||
2179 | if (default_set_background) | |
2180 | xfree (default_set_background); | |
2181 | default_set_background = TS_set_background ? xstrdup (TS_set_background) | |
2182 | : NULL; | |
2183 | ||
2184 | default_max_colors = TN_max_colors; | |
2185 | default_max_pairs = TN_max_pairs; | |
2186 | default_no_color_video = TN_no_color_video; | |
2187 | } | |
2188 | else | |
2189 | { | |
2190 | TS_orig_pair = default_orig_pair; | |
2191 | TS_set_foreground = default_set_foreground; | |
2192 | TS_set_background = default_set_background; | |
2193 | TN_max_colors = default_max_colors; | |
2194 | TN_max_pairs = default_max_pairs; | |
2195 | TN_no_color_video = default_no_color_video; | |
2196 | } | |
2197 | } | |
2198 | ||
2199 | /* Setup one of the standard tty color schemes according to MODE. | |
2200 | MODE's value is generally the number of colors which we want to | |
2201 | support; zero means set up for the default capabilities, the ones | |
2202 | we saw at term_init time; -1 means turn off color support. */ | |
2203 | void | |
2204 | tty_setup_colors (mode) | |
2205 | int mode; | |
2206 | { | |
6b61353c KH |
2207 | /* Canonicalize all negative values of MODE. */ |
2208 | if (mode < -1) | |
2209 | mode = -1; | |
2210 | ||
ace28297 EZ |
2211 | switch (mode) |
2212 | { | |
2213 | case -1: /* no colors at all */ | |
2214 | TN_max_colors = 0; | |
2215 | TN_max_pairs = 0; | |
2216 | TN_no_color_video = 0; | |
2217 | TS_set_foreground = TS_set_background = TS_orig_pair = NULL; | |
2218 | break; | |
2219 | case 0: /* default colors, if any */ | |
2220 | default: | |
2221 | tty_default_color_capabilities (0); | |
2222 | break; | |
2223 | case 8: /* 8 standard ANSI colors */ | |
2224 | TS_orig_pair = "\033[0m"; | |
2225 | #ifdef TERMINFO | |
2226 | TS_set_foreground = "\033[3%p1%dm"; | |
2227 | TS_set_background = "\033[4%p1%dm"; | |
2228 | #else | |
2229 | TS_set_foreground = "\033[3%dm"; | |
2230 | TS_set_background = "\033[4%dm"; | |
2231 | #endif | |
2232 | TN_max_colors = 8; | |
2233 | TN_max_pairs = 64; | |
2234 | TN_no_color_video = 0; | |
2235 | break; | |
2236 | } | |
2237 | } | |
2238 | ||
2239 | void | |
2240 | set_tty_color_mode (f, val) | |
2241 | struct frame *f; | |
2242 | Lisp_Object val; | |
2243 | { | |
dfc7a077 | 2244 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2245 | Lisp_Object color_mode, current_mode; |
2246 | int mode, old_mode; | |
2247 | extern Lisp_Object Qtty_color_mode; | |
2248 | Lisp_Object tty_color_mode_alist; | |
2249 | ||
2250 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2251 | Qnil); | |
2252 | ||
6b61353c | 2253 | if (INTEGERP (val)) |
ace28297 EZ |
2254 | color_mode = val; |
2255 | else | |
2256 | { | |
2257 | if (NILP (tty_color_mode_alist)) | |
2258 | color_mode_spec = Qnil; | |
2259 | else | |
2260 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2261 | |
2262 | if (CONSP (color_mode_spec)) | |
2263 | color_mode = XCDR (color_mode_spec); | |
2264 | else | |
2265 | color_mode = Qnil; | |
2266 | } | |
6b61353c KH |
2267 | |
2268 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2269 | ||
ace28297 EZ |
2270 | if (CONSP (current_mode_spec)) |
2271 | current_mode = XCDR (current_mode_spec); | |
2272 | else | |
2273 | current_mode = Qnil; | |
6b61353c | 2274 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2275 | mode = XINT (color_mode); |
2276 | else | |
2277 | mode = 0; /* meaning default */ | |
6b61353c | 2278 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2279 | old_mode = XINT (current_mode); |
2280 | else | |
2281 | old_mode = 0; | |
2282 | ||
2283 | if (mode != old_mode) | |
2284 | { | |
2285 | tty_setup_colors (mode); | |
2286 | /* This recomputes all the faces given the new color | |
2287 | definitions. */ | |
2288 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2289 | redraw_frame (f); | |
2290 | } | |
2291 | } | |
2292 | ||
2293 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2294 | |
2295 | \f | |
2296 | /*********************************************************************** | |
2297 | Initialization | |
2298 | ***********************************************************************/ | |
2299 | ||
dfcf069d | 2300 | void |
08a24c47 JB |
2301 | term_init (terminal_type) |
2302 | char *terminal_type; | |
2303 | { | |
2304 | char *area; | |
2305 | char **address = &area; | |
6b61353c KH |
2306 | char *buffer = NULL; |
2307 | int buffer_size = 4096; | |
08a24c47 JB |
2308 | register char *p; |
2309 | int status; | |
e52f4e08 | 2310 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2311 | |
288d5132 KH |
2312 | encode_terminal_src_size = 0; |
2313 | encode_terminal_dst_size = 0; | |
af645abf | 2314 | |
cb28b9c2 | 2315 | #ifdef WINDOWSNT |
29f27c39 | 2316 | initialize_w32_display (); |
cb28b9c2 RS |
2317 | |
2318 | Wcm_clear (); | |
cb28b9c2 | 2319 | |
a678d9ff | 2320 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2321 | |
9882535b KS |
2322 | FrameRows = FRAME_LINES (sf); |
2323 | FrameCols = FRAME_COLS (sf); | |
2324 | specified_window = FRAME_LINES (sf); | |
cb28b9c2 RS |
2325 | |
2326 | delete_in_insert_mode = 1; | |
2327 | ||
2328 | UseTabs = 0; | |
2329 | scroll_region_ok = 0; | |
2330 | ||
2331 | /* Seems to insert lines when it's not supposed to, messing | |
2332 | up the display. In doing a trace, it didn't seem to be | |
2333 | called much, so I don't think we're losing anything by | |
2334 | turning it off. */ | |
2335 | ||
2336 | line_ins_del_ok = 0; | |
2337 | char_ins_del_ok = 1; | |
2338 | ||
2339 | baud_rate = 19200; | |
2340 | ||
e52f4e08 GM |
2341 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2342 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2343 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2344 | |
2345 | return; | |
eccec691 | 2346 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2347 | |
08a24c47 | 2348 | Wcm_clear (); |
08a24c47 | 2349 | |
6b61353c | 2350 | buffer = (char *) xmalloc (buffer_size); |
08a24c47 JB |
2351 | status = tgetent (buffer, terminal_type); |
2352 | if (status < 0) | |
b0347178 KH |
2353 | { |
2354 | #ifdef TERMINFO | |
e12c1054 | 2355 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2356 | #else |
e12c1054 | 2357 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2358 | #endif |
2359 | } | |
08a24c47 | 2360 | if (status == 0) |
b0347178 KH |
2361 | { |
2362 | #ifdef TERMINFO | |
2363 | fatal ("Terminal type %s is not defined.\n\ | |
2364 | If that is not the actual type of terminal you have,\n\ | |
2365 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2366 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2367 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2368 | terminal_type); |
2369 | #else | |
2370 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2371 | If that is not the actual type of terminal you have,\n\ |
2372 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2373 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2374 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2375 | terminal_type); |
2376 | #endif | |
2377 | } | |
6b61353c KH |
2378 | |
2379 | #ifndef TERMINFO | |
2380 | if (strlen (buffer) >= buffer_size) | |
08a24c47 | 2381 | abort (); |
6b61353c KH |
2382 | buffer_size = strlen (buffer); |
2383 | #endif | |
2384 | area = (char *) xmalloc (buffer_size); | |
08a24c47 JB |
2385 | |
2386 | TS_ins_line = tgetstr ("al", address); | |
2387 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2388 | TS_bell = tgetstr ("bl", address); | |
2389 | BackTab = tgetstr ("bt", address); | |
2390 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2391 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2392 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2393 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2394 | AbsPosition = tgetstr ("cm", address); |
2395 | CR = tgetstr ("cr", address); | |
2396 | TS_set_scroll_region = tgetstr ("cs", address); | |
2397 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2398 | RowPosition = tgetstr ("cv", address); | |
2399 | TS_del_char = tgetstr ("dc", address); | |
2400 | TS_del_multi_chars = tgetstr ("DC", address); | |
2401 | TS_del_line = tgetstr ("dl", address); | |
2402 | TS_del_multi_lines = tgetstr ("DL", address); | |
2403 | TS_delete_mode = tgetstr ("dm", address); | |
2404 | TS_end_delete_mode = tgetstr ("ed", address); | |
2405 | TS_end_insert_mode = tgetstr ("ei", address); | |
2406 | Home = tgetstr ("ho", address); | |
2407 | TS_ins_char = tgetstr ("ic", address); | |
2408 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2409 | TS_insert_mode = tgetstr ("im", address); | |
2410 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2411 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2412 | TS_keypad_mode = tgetstr ("ks", address); | |
2413 | LastLine = tgetstr ("ll", address); | |
2414 | Right = tgetstr ("nd", address); | |
2415 | Down = tgetstr ("do", address); | |
2416 | if (!Down) | |
2417 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2418 | #ifdef VMS | |
2419 | /* VMS puts a carriage return before each linefeed, | |
2420 | so it is not safe to use linefeeds. */ | |
2421 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2422 | Down = 0; | |
2423 | #endif /* VMS */ | |
2424 | if (tgetflag ("bs")) | |
2425 | Left = "\b"; /* can't possibly be longer! */ | |
2426 | else /* (Actually, "bs" is obsolete...) */ | |
2427 | Left = tgetstr ("le", address); | |
2428 | if (!Left) | |
2429 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2430 | TS_pad_char = tgetstr ("pc", address); | |
2431 | TS_repeat = tgetstr ("rp", address); | |
2432 | TS_end_standout_mode = tgetstr ("se", address); | |
2433 | TS_fwd_scroll = tgetstr ("sf", address); | |
2434 | TS_standout_mode = tgetstr ("so", address); | |
2435 | TS_rev_scroll = tgetstr ("sr", address); | |
2436 | Wcm.cm_tab = tgetstr ("ta", address); | |
2437 | TS_end_termcap_modes = tgetstr ("te", address); | |
2438 | TS_termcap_modes = tgetstr ("ti", address); | |
2439 | Up = tgetstr ("up", address); | |
2440 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2441 | TS_cursor_normal = tgetstr ("ve", address); |
2442 | TS_cursor_visible = tgetstr ("vs", address); | |
2443 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2444 | TS_set_window = tgetstr ("wi", address); |
177c0ea7 | 2445 | |
a168702a GM |
2446 | TS_enter_underline_mode = tgetstr ("us", address); |
2447 | TS_exit_underline_mode = tgetstr ("ue", address); | |
a168702a GM |
2448 | TS_enter_bold_mode = tgetstr ("md", address); |
2449 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2450 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2451 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2452 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2453 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2454 | TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2455 | |
08a24c47 JB |
2456 | MultiUp = tgetstr ("UP", address); |
2457 | MultiDown = tgetstr ("DO", address); | |
2458 | MultiLeft = tgetstr ("LE", address); | |
2459 | MultiRight = tgetstr ("RI", address); | |
2460 | ||
e7f90eab GM |
2461 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2462 | color because we can't switch back to the default foreground and | |
2463 | background. */ | |
a168702a | 2464 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2465 | if (TS_orig_pair) |
a168702a | 2466 | { |
e7f90eab GM |
2467 | TS_set_foreground = tgetstr ("AF", address); |
2468 | TS_set_background = tgetstr ("AB", address); | |
2469 | if (!TS_set_foreground) | |
2470 | { | |
2471 | /* SVr4. */ | |
2472 | TS_set_foreground = tgetstr ("Sf", address); | |
2473 | TS_set_background = tgetstr ("Sb", address); | |
2474 | } | |
177c0ea7 | 2475 | |
e7f90eab GM |
2476 | TN_max_colors = tgetnum ("Co"); |
2477 | TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2478 | |
4e6ba4a4 GM |
2479 | TN_no_color_video = tgetnum ("NC"); |
2480 | if (TN_no_color_video == -1) | |
2481 | TN_no_color_video = 0; | |
a168702a | 2482 | } |
a168702a | 2483 | |
ace28297 EZ |
2484 | tty_default_color_capabilities (1); |
2485 | ||
e4058338 KH |
2486 | MagicWrap = tgetflag ("xn"); |
2487 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2488 | the former flag imply the latter. */ | |
2489 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2490 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2491 | TF_hazeltine = tgetflag ("hz"); |
2492 | must_write_spaces = tgetflag ("in"); | |
2493 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2494 | TF_insmode_motion = tgetflag ("mi"); | |
2495 | TF_standout_motion = tgetflag ("ms"); | |
2496 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2497 | TF_teleray = tgetflag ("xt"); |
2498 | ||
5c2c7893 JB |
2499 | term_get_fkeys (address); |
2500 | ||
ff11dfa1 | 2501 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2502 | { |
2503 | int height, width; | |
2504 | get_frame_size (&width, &height); | |
9882535b KS |
2505 | FRAME_COLS (sf) = width; |
2506 | FRAME_LINES (sf) = height; | |
3b12ce12 RS |
2507 | } |
2508 | ||
9882535b KS |
2509 | if (FRAME_COLS (sf) <= 0) |
2510 | SET_FRAME_COLS (sf, tgetnum ("co")); | |
1efd8636 RS |
2511 | else |
2512 | /* Keep width and external_width consistent */ | |
9882535b KS |
2513 | SET_FRAME_COLS (sf, FRAME_COLS (sf)); |
2514 | if (FRAME_LINES (sf) <= 0) | |
2515 | FRAME_LINES (sf) = tgetnum ("li"); | |
177c0ea7 | 2516 | |
9882535b | 2517 | if (FRAME_LINES (sf) < 3 || FRAME_COLS (sf) < 3) |
e12c1054 | 2518 | fatal ("Screen size %dx%d is too small", |
9882535b | 2519 | FRAME_LINES (sf), FRAME_COLS (sf)); |
ee7a2de4 | 2520 | |
08a24c47 | 2521 | min_padding_speed = tgetnum ("pb"); |
08a24c47 JB |
2522 | TabWidth = tgetnum ("tw"); |
2523 | ||
2524 | #ifdef VMS | |
2525 | /* These capabilities commonly use ^J. | |
2526 | I don't know why, but sending them on VMS does not work; | |
2527 | it causes following spaces to be lost, sometimes. | |
2528 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2529 | if (Down && Down[0] == '\n') | |
2530 | Down = 0; | |
2531 | #endif /* VMS */ | |
2532 | ||
2533 | if (!TS_bell) | |
2534 | TS_bell = "\07"; | |
2535 | ||
2536 | if (!TS_fwd_scroll) | |
2537 | TS_fwd_scroll = Down; | |
2538 | ||
2539 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2540 | ||
2541 | if (TabWidth < 0) | |
2542 | TabWidth = 8; | |
177c0ea7 | 2543 | |
08a24c47 JB |
2544 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2545 | and newer termcap doc does not seem to say there is a default. | |
2546 | if (!Wcm.cm_tab) | |
2547 | Wcm.cm_tab = "\t"; | |
2548 | */ | |
2549 | ||
54800acb MB |
2550 | /* We don't support standout modes that use `magic cookies', so |
2551 | turn off any that do. */ | |
2552 | if (TS_standout_mode && tgetnum ("sg") >= 0) | |
2553 | { | |
2554 | TS_standout_mode = 0; | |
2555 | TS_end_standout_mode = 0; | |
2556 | } | |
2557 | if (TS_enter_underline_mode && tgetnum ("ug") >= 0) | |
2558 | { | |
2559 | TS_enter_underline_mode = 0; | |
2560 | TS_exit_underline_mode = 0; | |
2561 | } | |
2562 | ||
2563 | /* If there's no standout mode, try to use underlining instead. */ | |
08a24c47 JB |
2564 | if (TS_standout_mode == 0) |
2565 | { | |
54800acb MB |
2566 | TS_standout_mode = TS_enter_underline_mode; |
2567 | TS_end_standout_mode = TS_exit_underline_mode; | |
08a24c47 JB |
2568 | } |
2569 | ||
afd359c4 RS |
2570 | /* If no `se' string, try using a `me' string instead. |
2571 | If that fails, we can't use standout mode at all. */ | |
2572 | if (TS_end_standout_mode == 0) | |
2573 | { | |
e4bfb3b6 | 2574 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2575 | if (s != 0) |
2576 | TS_end_standout_mode = s; | |
2577 | else | |
2578 | TS_standout_mode = 0; | |
2579 | } | |
2580 | ||
08a24c47 JB |
2581 | if (TF_teleray) |
2582 | { | |
2583 | Wcm.cm_tab = 0; | |
54800acb MB |
2584 | /* We can't support standout mode, because it uses magic cookies. */ |
2585 | TS_standout_mode = 0; | |
08a24c47 JB |
2586 | /* But that means we cannot rely on ^M to go to column zero! */ |
2587 | CR = 0; | |
2588 | /* LF can't be trusted either -- can alter hpos */ | |
2589 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2590 | Down = 0; | |
2591 | } | |
2592 | ||
2593 | /* Special handling for certain terminal types known to need it */ | |
2594 | ||
2595 | if (!strcmp (terminal_type, "supdup")) | |
2596 | { | |
ff11dfa1 | 2597 | memory_below_frame = 1; |
08a24c47 JB |
2598 | Wcm.cm_losewrap = 1; |
2599 | } | |
2600 | if (!strncmp (terminal_type, "c10", 3) | |
2601 | || !strcmp (terminal_type, "perq")) | |
2602 | { | |
2603 | /* Supply a makeshift :wi string. | |
2604 | This string is not valid in general since it works only | |
2605 | for windows starting at the upper left corner; | |
2606 | but that is all Emacs uses. | |
2607 | ||
ff11dfa1 | 2608 | This string works only if the frame is using |
08a24c47 JB |
2609 | the top of the video memory, because addressing is memory-relative. |
2610 | So first check the :ti string to see if that is true. | |
2611 | ||
2612 | It would be simpler if the :wi string could go in the termcap | |
2613 | entry, but it can't because it is not fully valid. | |
2614 | If it were in the termcap entry, it would confuse other programs. */ | |
2615 | if (!TS_set_window) | |
2616 | { | |
2617 | p = TS_termcap_modes; | |
2618 | while (*p && strcmp (p, "\033v ")) | |
2619 | p++; | |
2620 | if (*p) | |
2621 | TS_set_window = "\033v%C %C %C %C "; | |
2622 | } | |
2623 | /* Termcap entry often fails to have :in: flag */ | |
2624 | must_write_spaces = 1; | |
2625 | /* :ti string typically fails to have \E^G! in it */ | |
2626 | /* This limits scope of insert-char to one line. */ | |
2627 | strcpy (area, TS_termcap_modes); | |
2628 | strcat (area, "\033\007!"); | |
2629 | TS_termcap_modes = area; | |
2630 | area += strlen (area) + 1; | |
2631 | p = AbsPosition; | |
2632 | /* Change all %+ parameters to %C, to handle | |
2633 | values above 96 correctly for the C100. */ | |
2634 | while (*p) | |
2635 | { | |
2636 | if (p[0] == '%' && p[1] == '+') | |
2637 | p[1] = 'C'; | |
2638 | p++; | |
2639 | } | |
2640 | } | |
2641 | ||
9882535b KS |
2642 | FrameRows = FRAME_LINES (sf); |
2643 | FrameCols = FRAME_COLS (sf); | |
2644 | specified_window = FRAME_LINES (sf); | |
08a24c47 JB |
2645 | |
2646 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2647 | #ifdef VMS | |
2648 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2649 | It lacks the ability to position the cursor.\n\ | |
2650 | If that is not the actual type of terminal you have, use either the\n\ | |
2651 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2652 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2653 | terminal_type); |
37dad45a RS |
2654 | #else /* not VMS */ |
2655 | # ifdef TERMINFO | |
2656 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2657 | It lacks the ability to position the cursor.\n\ | |
2658 | If that is not the actual type of terminal you have,\n\ | |
2659 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2660 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2661 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2662 | terminal_type); |
2663 | # else /* TERMCAP */ | |
08a24c47 JB |
2664 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2665 | It lacks the ability to position the cursor.\n\ | |
2666 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2667 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2668 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2669 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2670 | terminal_type); |
37dad45a RS |
2671 | # endif /* TERMINFO */ |
2672 | #endif /*VMS */ | |
9882535b KS |
2673 | if (FRAME_LINES (sf) <= 0 |
2674 | || FRAME_COLS (sf) <= 0) | |
e12c1054 | 2675 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2676 | |
2677 | delete_in_insert_mode | |
2678 | = TS_delete_mode && TS_insert_mode | |
2679 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2680 | ||
2681 | se_is_so = (TS_standout_mode | |
2682 | && TS_end_standout_mode | |
2683 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2684 | ||
08a24c47 JB |
2685 | UseTabs = tabs_safe_p () && TabWidth == 8; |
2686 | ||
2687 | scroll_region_ok | |
2688 | = (Wcm.cm_abs | |
2689 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2690 | ||
2691 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2692 | && (TS_del_line || TS_del_multi_lines)) | |
2693 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2694 | ||
2695 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2696 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2697 | && (TS_del_char || TS_del_multi_chars)); | |
2698 | ||
2699 | fast_clear_end_of_line = TS_clr_line != 0; | |
2700 | ||
2701 | init_baud_rate (); | |
2702 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2703 | /* meaningless in this case */ | |
2704 | baud_rate = 9600; | |
20a558dc | 2705 | |
e52f4e08 GM |
2706 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2707 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 2708 | #endif /* WINDOWSNT */ |
6b61353c KH |
2709 | |
2710 | xfree (buffer); | |
08a24c47 JB |
2711 | } |
2712 | ||
2713 | /* VARARGS 1 */ | |
dfcf069d | 2714 | void |
08a24c47 | 2715 | fatal (str, arg1, arg2) |
4746118a | 2716 | char *str, *arg1, *arg2; |
08a24c47 JB |
2717 | { |
2718 | fprintf (stderr, "emacs: "); | |
2719 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2720 | fprintf (stderr, "\n"); |
08a24c47 JB |
2721 | fflush (stderr); |
2722 | exit (1); | |
2723 | } | |
07c57952 | 2724 | |
072d84a6 RS |
2725 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 0, 0, |
2726 | doc: /* Declare that this terminal does not handle underlining. | |
2727 | This is used to override the terminfo data, for certain terminals that | |
2728 | do not really do underlining, but say that they do. */) | |
2729 | () | |
2730 | { | |
2731 | TS_enter_underline_mode = 0; | |
2732 | return Qnil; | |
2733 | } | |
2734 | ||
dfcf069d | 2735 | void |
07c57952 KH |
2736 | syms_of_term () |
2737 | { | |
7ee72033 MB |
2738 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
2739 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 2740 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
2741 | #ifdef TERMINFO |
2742 | system_uses_terminfo = 1; | |
2743 | #else | |
2744 | system_uses_terminfo = 0; | |
2745 | #endif | |
c291d9ef | 2746 | |
7ee72033 MB |
2747 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, |
2748 | doc: /* Non-nil means call this function to ring the bell. | |
228299fa | 2749 | The function should accept no arguments. */); |
c291d9ef | 2750 | Vring_bell_function = Qnil; |
a168702a | 2751 | |
0db017c0 SM |
2752 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
2753 | doc: /* Non-nil means to make the cursor very visible. | |
2754 | This only has an effect when running in a text terminal. | |
2755 | What means \"very visible\" is up to your terminal. It may make the cursor | |
2756 | bigger, or it may make it blink, or it may do nothing at all. */); | |
2757 | visible_cursor = 1; | |
2758 | ||
a168702a | 2759 | defsubr (&Stty_display_color_p); |
bfa62f96 | 2760 | defsubr (&Stty_display_color_cells); |
072d84a6 | 2761 | defsubr (&Stty_no_underline); |
07c57952 | 2762 | } |
a168702a | 2763 | |
6b61353c KH |
2764 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
2765 | (do not change this comment) */ |