Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
4a8130f2 | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002 |
d284f58f | 3 | 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 | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, 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 | |
c291d9ef | 84 | /* Function to use to ring the bell. */ |
a168702a | 85 | |
c291d9ef RS |
86 | Lisp_Object Vring_bell_function; |
87 | ||
eb8c3be9 | 88 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
89 | These are all extern'd in termchar.h */ |
90 | ||
08a24c47 JB |
91 | int must_write_spaces; /* Nonzero means spaces in the text |
92 | must actually be output; can't just skip | |
93 | over some columns to leave them blank. */ | |
94 | int min_padding_speed; /* Speed below which no padding necessary */ | |
95 | ||
96 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
97 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
98 | int scroll_region_ok; /* Terminal supports setting the | |
99 | scroll window */ | |
be7cd44f RS |
100 | int scroll_region_cost; /* Cost of setting a scroll window, |
101 | measured in characters */ | |
ff11dfa1 | 102 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
103 | scrolled off bottom */ |
104 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
105 | ||
ff11dfa1 | 106 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
107 | a suspended Emacs. This is useful on terminals with multiple pages, |
108 | where one page is used for Emacs and another for all else. */ | |
a168702a | 109 | |
08a24c47 JB |
110 | int no_redraw_on_reenter; |
111 | ||
112 | /* Hook functions that you can set to snap out the functions in this file. | |
113 | These are all extern'd in termhooks.h */ | |
114 | ||
dfcf069d AS |
115 | void (*cursor_to_hook) P_ ((int, int)); |
116 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
117 | void (*clear_to_end_hook) P_ ((void)); |
118 | void (*clear_frame_hook) P_ ((void)); | |
119 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 120 | |
dfcf069d | 121 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 122 | |
dfcf069d | 123 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 124 | |
dfcf069d | 125 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 126 | |
dfcf069d AS |
127 | void (*reset_terminal_modes_hook) P_ ((void)); |
128 | void (*set_terminal_modes_hook) P_ ((void)); | |
129 | void (*update_begin_hook) P_ ((struct frame *)); | |
130 | void (*update_end_hook) P_ ((struct frame *)); | |
131 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
132 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
133 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
134 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 135 | |
dfcf069d | 136 | int (*read_socket_hook) P_ ((int, struct input_event *, int, int)); |
08a24c47 | 137 | |
dfcf069d | 138 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 139 | |
20a558dc | 140 | /* Return the current position of the mouse. |
371fbaeb JB |
141 | |
142 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
143 | Emacs frame. If it is set to zero, all the other arguments are | |
144 | garbage. | |
145 | ||
a3c87d4e JB |
146 | If the motion started in a scroll bar, set *bar_window to the |
147 | scroll bar's window, *part to the part the mouse is currently over, | |
148 | *x to the position of the mouse along the scroll bar, and *y to the | |
149 | overall length of the scroll bar. | |
371fbaeb JB |
150 | |
151 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
152 | row of the character cell the mouse is over. | |
153 | ||
154 | Set *time to the time the mouse was at the returned position. | |
155 | ||
156 | This should clear mouse_moved until the next motion | |
157 | event arrives. */ | |
d284f58f | 158 | |
dfcf069d | 159 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 160 | Lisp_Object *bar_window, |
a3c87d4e | 161 | enum scroll_bar_part *part, |
20a558dc JB |
162 | Lisp_Object *x, |
163 | Lisp_Object *y, | |
dfcf069d | 164 | unsigned long *time)); |
08a24c47 | 165 | |
ff11dfa1 | 166 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 167 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 168 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
169 | This hook tells the window system code to re-decide where to put |
170 | the highlight. */ | |
d284f58f | 171 | |
dfcf069d | 172 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 173 | |
dbc4e1c1 JB |
174 | /* If we're displaying frames using a window system that can stack |
175 | frames on top of each other, this hook allows you to bring a frame | |
176 | to the front, or bury it behind all the other windows. If this | |
177 | hook is zero, that means the device we're displaying on doesn't | |
178 | support overlapping frames, so there's no need to raise or lower | |
179 | anything. | |
180 | ||
181 | If RAISE is non-zero, F is brought to the front, before all other | |
182 | windows. If RAISE is zero, F is sent to the back, behind all other | |
183 | windows. */ | |
d284f58f | 184 | |
dfcf069d | 185 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 186 | |
a3c87d4e | 187 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
188 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
189 | indicate that we are displaying PORTION characters out of a total | |
190 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 191 | have a scroll bar, create one for it. */ |
a168702a | 192 | |
a3c87d4e | 193 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
194 | P_ ((struct window *window, |
195 | int portion, int whole, int position)); | |
20a558dc | 196 | |
371fbaeb | 197 | |
20a558dc | 198 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 199 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
200 | are going to be deleted, because keeping track of when windows go |
201 | away is a real pain - can you say set-window-configuration? | |
202 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 203 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 204 | fiery pit when we actually redisplay their window. */ |
20a558dc | 205 | |
a3c87d4e JB |
206 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
207 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
177c0ea7 | 208 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 209 | |
371fbaeb | 210 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
211 | redisplayed, even if it is not displaying scroll bars at the moment; |
212 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
213 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
214 | |
215 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 216 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 217 | currently displaying them. */ |
d284f58f | 218 | |
dfcf069d | 219 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 220 | |
a3c87d4e JB |
221 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
222 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
d284f58f | 223 | |
dfcf069d | 224 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 225 | |
a3c87d4e | 226 | /* Remove all scroll bars on FRAME that haven't been saved since the |
177c0ea7 | 227 | last call to `*condemn_scroll_bars_hook'. |
20a558dc | 228 | |
371fbaeb | 229 | This should be applied to each frame after each time its window |
a3c87d4e JB |
230 | tree is redisplayed, even if it is not displaying scroll bars at the |
231 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
232 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
233 | |
234 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 235 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 236 | currently displaying them. */ |
d284f58f | 237 | |
dfcf069d | 238 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 239 | |
08a24c47 JB |
240 | /* Strings, numbers and flags taken from the termcap entry. */ |
241 | ||
a4decb7f | 242 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
243 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
244 | char *TS_bell; /* "bl" */ | |
245 | char *TS_clr_to_bottom; /* "cd" */ | |
246 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 247 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
248 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
249 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
250 | lines above scroll region, lines below it, | |
251 | total lines again) */ | |
252 | char *TS_del_char; /* "dc" */ | |
253 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
254 | char *TS_del_line; /* "dl" */ | |
255 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
256 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
257 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
258 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
259 | char *TS_ins_char; /* "ic" */ | |
260 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
261 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
262 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
263 | char *TS_end_keypad_mode; /* "ke" */ | |
264 | char *TS_keypad_mode; /* "ks" */ | |
265 | char *TS_pad_char; /* "pc", char to use as padding */ | |
266 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
267 | and character to be repeated) */ | |
268 | char *TS_end_standout_mode; /* "se" */ | |
269 | char *TS_fwd_scroll; /* "sf" */ | |
270 | char *TS_standout_mode; /* "so" */ | |
271 | char *TS_rev_scroll; /* "sr" */ | |
272 | char *TS_end_termcap_modes; /* "te" */ | |
273 | char *TS_termcap_modes; /* "ti" */ | |
274 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
275 | char *TS_cursor_normal; /* "ve" */ |
276 | char *TS_cursor_visible; /* "vs" */ | |
277 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
278 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
279 | each as vpos and hpos) */ | |
280 | ||
4e6ba4a4 GM |
281 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
282 | present. */ | |
283 | ||
284 | static int TN_no_color_video; | |
285 | ||
286 | /* Meaning of bits in no_color_video. Each bit set means that the | |
287 | corresponding attribute cannot be combined with colors. */ | |
288 | ||
289 | enum no_color_bit | |
290 | { | |
291 | NC_STANDOUT = 1 << 0, | |
292 | NC_UNDERLINE = 1 << 1, | |
293 | NC_REVERSE = 1 << 2, | |
294 | NC_BLINK = 1 << 3, | |
295 | NC_DIM = 1 << 4, | |
296 | NC_BOLD = 1 << 5, | |
297 | NC_INVIS = 1 << 6, | |
298 | NC_PROTECT = 1 << 7, | |
299 | NC_ALT_CHARSET = 1 << 8 | |
300 | }; | |
301 | ||
a168702a GM |
302 | /* "md" -- turn on bold (extra bright mode). */ |
303 | ||
304 | char *TS_enter_bold_mode; | |
305 | ||
306 | /* "mh" -- turn on half-bright mode. */ | |
307 | ||
308 | char *TS_enter_dim_mode; | |
309 | ||
310 | /* "mb" -- enter blinking mode. */ | |
311 | ||
312 | char *TS_enter_blink_mode; | |
313 | ||
314 | /* "mr" -- enter reverse video mode. */ | |
315 | ||
316 | char *TS_enter_reverse_mode; | |
317 | ||
318 | /* "us"/"ue" -- start/end underlining. */ | |
319 | ||
320 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
321 | ||
a168702a GM |
322 | /* "as"/"ae" -- start/end alternate character set. Not really |
323 | supported, yet. */ | |
324 | ||
325 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
326 | ||
327 | /* "me" -- switch appearances off. */ | |
328 | ||
329 | char *TS_exit_attribute_mode; | |
330 | ||
331 | /* "Co" -- number of colors. */ | |
332 | ||
333 | int TN_max_colors; | |
334 | ||
335 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
336 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
337 | ||
338 | int TN_max_pairs; | |
339 | ||
340 | /* "op" -- SVr4 set default pair to its original value. */ | |
341 | ||
342 | char *TS_orig_pair; | |
343 | ||
344 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
345 | 1 param, the color index. */ | |
346 | ||
347 | char *TS_set_foreground, *TS_set_background; | |
348 | ||
08a24c47 JB |
349 | int TF_hazeltine; /* termcap hz flag. */ |
350 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
351 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
352 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
353 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
354 | int TF_teleray; /* termcap xt flag: many weird consequences. |
355 | For t1061. */ | |
356 | ||
08a24c47 JB |
357 | static int RPov; /* # chars to start a TS_repeat */ |
358 | ||
359 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
360 | ||
361 | static int se_is_so; /* 1 if same string both enters and leaves | |
362 | standout mode */ | |
363 | ||
364 | /* internal state */ | |
365 | ||
8dd0c7cb | 366 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 367 | |
9882535b | 368 | int max_frame_cols; |
a168702a | 369 | |
8dd0c7cb | 370 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 371 | |
9882535b | 372 | int max_frame_lines; |
8dd0c7cb | 373 | |
646e4dff | 374 | static int costs_set; /* Nonzero if costs have been calculated. */ |
08a24c47 JB |
375 | |
376 | int insert_mode; /* Nonzero when in insert mode. */ | |
377 | int standout_mode; /* Nonzero when in standout mode. */ | |
378 | ||
379 | /* Size of window specified by higher levels. | |
ff11dfa1 | 380 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
381 | which can participate in insert-line/delete-line operations. |
382 | ||
9882535b | 383 | Effectively it excludes the bottom frame_lines - specified_window_size |
08a24c47 JB |
384 | lines from those operations. */ |
385 | ||
386 | int specified_window; | |
387 | ||
ff11dfa1 | 388 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
389 | (Direct output does not count). */ |
390 | ||
ff11dfa1 | 391 | FRAME_PTR updating_frame; |
08a24c47 | 392 | |
07c57952 | 393 | /* Provided for lisp packages. */ |
a168702a | 394 | |
07c57952 KH |
395 | static int system_uses_terminfo; |
396 | ||
d284f58f GM |
397 | /* Flag used in tty_show/hide_cursor. */ |
398 | ||
399 | static int tty_cursor_hidden; | |
400 | ||
08a24c47 | 401 | char *tparam (); |
e4bfb3b6 RS |
402 | |
403 | extern char *tgetstr (); | |
08a24c47 | 404 | \f |
cb28b9c2 | 405 | |
1a89b7c6 AI |
406 | #ifdef WINDOWSNT |
407 | /* We aren't X windows, but we aren't termcap either. This makes me | |
408 | uncertain as to what value to use for frame.output_method. For | |
409 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
410 | output hooks get called instead of the termcap functions. Probably | |
411 | the best long-term solution is to define an output_windows_nt... */ | |
412 | ||
413 | #undef FRAME_TERMCAP_P | |
414 | #define FRAME_TERMCAP_P(_f_) 0 | |
415 | #endif /* WINDOWSNT */ | |
416 | ||
dfcf069d | 417 | void |
08a24c47 JB |
418 | ring_bell () |
419 | { | |
d284f58f | 420 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
421 | { |
422 | Lisp_Object function; | |
423 | ||
424 | /* Temporarily set the global variable to nil | |
425 | so that if we get an error, it stays nil | |
426 | and we don't call it over and over. | |
427 | ||
428 | We don't specbind it, because that would carefully | |
429 | restore the bad value if there's an error | |
430 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 431 | |
c291d9ef RS |
432 | function = Vring_bell_function; |
433 | Vring_bell_function = Qnil; | |
434 | ||
435 | call0 (function); | |
436 | ||
437 | Vring_bell_function = function; | |
08a24c47 | 438 | } |
d284f58f GM |
439 | else if (!FRAME_TERMCAP_P (XFRAME (selected_frame))) |
440 | (*ring_bell_hook) (); | |
441 | else | |
442 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
08a24c47 JB |
443 | } |
444 | ||
dfcf069d | 445 | void |
08a24c47 JB |
446 | set_terminal_modes () |
447 | { | |
d284f58f | 448 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 449 | { |
d284f58f GM |
450 | OUTPUT_IF (TS_termcap_modes); |
451 | OUTPUT_IF (TS_cursor_visible); | |
452 | OUTPUT_IF (TS_keypad_mode); | |
453 | losecursor (); | |
08a24c47 | 454 | } |
d284f58f GM |
455 | else |
456 | (*set_terminal_modes_hook) (); | |
08a24c47 JB |
457 | } |
458 | ||
dfcf069d | 459 | void |
08a24c47 JB |
460 | reset_terminal_modes () |
461 | { | |
d284f58f | 462 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 463 | { |
54800acb | 464 | turn_off_highlight (); |
d284f58f GM |
465 | turn_off_insert (); |
466 | OUTPUT_IF (TS_end_keypad_mode); | |
467 | OUTPUT_IF (TS_cursor_normal); | |
468 | OUTPUT_IF (TS_end_termcap_modes); | |
469 | OUTPUT_IF (TS_orig_pair); | |
470 | /* Output raw CR so kernel can track the cursor hpos. */ | |
d284f58f | 471 | cmputc ('\r'); |
08a24c47 | 472 | } |
d284f58f GM |
473 | else if (reset_terminal_modes_hook) |
474 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
475 | } |
476 | ||
dfcf069d | 477 | void |
ff11dfa1 | 478 | update_begin (f) |
d284f58f | 479 | struct frame *f; |
08a24c47 | 480 | { |
ff11dfa1 | 481 | updating_frame = f; |
d284f58f GM |
482 | if (!FRAME_TERMCAP_P (f)) |
483 | update_begin_hook (f); | |
08a24c47 JB |
484 | } |
485 | ||
dfcf069d | 486 | void |
ff11dfa1 | 487 | update_end (f) |
d284f58f | 488 | struct frame *f; |
08a24c47 | 489 | { |
d284f58f | 490 | if (FRAME_TERMCAP_P (f)) |
08a24c47 | 491 | { |
d284f58f GM |
492 | if (!XWINDOW (selected_window)->cursor_off_p) |
493 | tty_show_cursor (); | |
494 | turn_off_insert (); | |
495 | background_highlight (); | |
08a24c47 | 496 | } |
d284f58f GM |
497 | else |
498 | update_end_hook (f); | |
177c0ea7 | 499 | |
d284f58f | 500 | updating_frame = NULL; |
08a24c47 JB |
501 | } |
502 | ||
dfcf069d | 503 | void |
08a24c47 JB |
504 | set_terminal_window (size) |
505 | int size; | |
506 | { | |
d284f58f | 507 | if (FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 508 | { |
9882535b | 509 | specified_window = size ? size : FRAME_LINES (updating_frame); |
d284f58f GM |
510 | if (scroll_region_ok) |
511 | set_scroll_region (0, specified_window); | |
08a24c47 | 512 | } |
d284f58f GM |
513 | else |
514 | set_terminal_window_hook (size); | |
08a24c47 JB |
515 | } |
516 | ||
dfcf069d | 517 | void |
08a24c47 JB |
518 | set_scroll_region (start, stop) |
519 | int start, stop; | |
520 | { | |
521 | char *buf; | |
e52f4e08 | 522 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 523 | |
08a24c47 | 524 | if (TS_set_scroll_region) |
d284f58f | 525 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); |
08a24c47 | 526 | else if (TS_set_scroll_region_1) |
d284f58f | 527 | buf = tparam (TS_set_scroll_region_1, 0, 0, |
9882535b KS |
528 | FRAME_LINES (sf), start, |
529 | FRAME_LINES (sf) - stop, | |
530 | FRAME_LINES (sf)); | |
08a24c47 | 531 | else |
9882535b | 532 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (sf)); |
177c0ea7 | 533 | |
08a24c47 | 534 | OUTPUT (buf); |
9ac0d9e0 | 535 | xfree (buf); |
08a24c47 JB |
536 | losecursor (); |
537 | } | |
d284f58f | 538 | |
08a24c47 | 539 | \f |
d284f58f | 540 | static void |
08a24c47 JB |
541 | turn_on_insert () |
542 | { | |
543 | if (!insert_mode) | |
544 | OUTPUT (TS_insert_mode); | |
545 | insert_mode = 1; | |
546 | } | |
547 | ||
dfcf069d | 548 | void |
08a24c47 JB |
549 | turn_off_insert () |
550 | { | |
551 | if (insert_mode) | |
552 | OUTPUT (TS_end_insert_mode); | |
553 | insert_mode = 0; | |
554 | } | |
555 | \f | |
54800acb | 556 | /* Handle highlighting. */ |
08a24c47 | 557 | |
dfcf069d | 558 | void |
08a24c47 JB |
559 | turn_off_highlight () |
560 | { | |
54800acb MB |
561 | if (standout_mode) |
562 | OUTPUT_IF (TS_end_standout_mode); | |
563 | standout_mode = 0; | |
08a24c47 JB |
564 | } |
565 | ||
d284f58f | 566 | static void |
08a24c47 JB |
567 | turn_on_highlight () |
568 | { | |
54800acb MB |
569 | if (!standout_mode) |
570 | OUTPUT_IF (TS_standout_mode); | |
571 | standout_mode = 1; | |
08a24c47 JB |
572 | } |
573 | ||
86a7d192 GM |
574 | static void |
575 | toggle_highlight () | |
576 | { | |
577 | if (standout_mode) | |
578 | turn_off_highlight (); | |
579 | else | |
580 | turn_on_highlight (); | |
581 | } | |
582 | ||
a168702a GM |
583 | |
584 | /* Make cursor invisible. */ | |
585 | ||
586 | static void | |
587 | tty_hide_cursor () | |
588 | { | |
d284f58f GM |
589 | if (tty_cursor_hidden == 0) |
590 | { | |
591 | tty_cursor_hidden = 1; | |
592 | OUTPUT_IF (TS_cursor_invisible); | |
593 | } | |
a168702a GM |
594 | } |
595 | ||
596 | ||
597 | /* Ensure that cursor is visible. */ | |
598 | ||
599 | static void | |
600 | tty_show_cursor () | |
601 | { | |
d284f58f GM |
602 | if (tty_cursor_hidden) |
603 | { | |
604 | tty_cursor_hidden = 0; | |
605 | OUTPUT_IF (TS_cursor_normal); | |
606 | OUTPUT_IF (TS_cursor_visible); | |
607 | } | |
a168702a GM |
608 | } |
609 | ||
610 | ||
08a24c47 JB |
611 | /* Set standout mode to the state it should be in for |
612 | empty space inside windows. What this is, | |
613 | depends on the user option inverse-video. */ | |
614 | ||
dfcf069d | 615 | void |
08a24c47 JB |
616 | background_highlight () |
617 | { | |
08a24c47 JB |
618 | if (inverse_video) |
619 | turn_on_highlight (); | |
620 | else | |
621 | turn_off_highlight (); | |
622 | } | |
623 | ||
624 | /* Set standout mode to the mode specified for the text to be output. */ | |
625 | ||
dfcf069d | 626 | static void |
08a24c47 JB |
627 | highlight_if_desired () |
628 | { | |
8ede64a5 | 629 | if (inverse_video) |
08a24c47 | 630 | turn_on_highlight (); |
8ede64a5 MB |
631 | else |
632 | turn_off_highlight (); | |
08a24c47 JB |
633 | } |
634 | \f | |
635 | ||
a168702a GM |
636 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
637 | frame-relative coordinates. */ | |
08a24c47 | 638 | |
dfcf069d | 639 | void |
a168702a GM |
640 | cursor_to (vpos, hpos) |
641 | int vpos, hpos; | |
08a24c47 | 642 | { |
e52f4e08 | 643 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
177c0ea7 | 644 | |
e52f4e08 | 645 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) |
08a24c47 | 646 | { |
a168702a | 647 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
648 | return; |
649 | } | |
650 | ||
36cae867 KH |
651 | /* Detect the case where we are called from reset_sys_modes |
652 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 653 | if (! costs_set) |
36cae867 KH |
654 | return; |
655 | ||
a168702a | 656 | if (curY == vpos && curX == hpos) |
08a24c47 JB |
657 | return; |
658 | if (!TF_standout_motion) | |
659 | background_highlight (); | |
660 | if (!TF_insmode_motion) | |
661 | turn_off_insert (); | |
a168702a | 662 | cmgoto (vpos, hpos); |
08a24c47 JB |
663 | } |
664 | ||
665 | /* Similar but don't take any account of the wasted characters. */ | |
666 | ||
dfcf069d | 667 | void |
08a24c47 | 668 | raw_cursor_to (row, col) |
4746118a | 669 | int row, col; |
08a24c47 | 670 | { |
e52f4e08 GM |
671 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
672 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
673 | { |
674 | (*raw_cursor_to_hook) (row, col); | |
675 | return; | |
676 | } | |
677 | if (curY == row && curX == col) | |
678 | return; | |
679 | if (!TF_standout_motion) | |
680 | background_highlight (); | |
681 | if (!TF_insmode_motion) | |
682 | turn_off_insert (); | |
683 | cmgoto (row, col); | |
684 | } | |
685 | \f | |
686 | /* Erase operations */ | |
687 | ||
ff11dfa1 | 688 | /* clear from cursor to end of frame */ |
dfcf069d | 689 | void |
08a24c47 JB |
690 | clear_to_end () |
691 | { | |
692 | register int i; | |
693 | ||
759d9005 | 694 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
695 | { |
696 | (*clear_to_end_hook) (); | |
697 | return; | |
698 | } | |
699 | if (TS_clr_to_bottom) | |
700 | { | |
701 | background_highlight (); | |
702 | OUTPUT (TS_clr_to_bottom); | |
08a24c47 JB |
703 | } |
704 | else | |
705 | { | |
9882535b | 706 | for (i = curY; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
08a24c47 JB |
707 | { |
708 | cursor_to (i, 0); | |
9882535b | 709 | clear_end_of_line (FRAME_COLS (XFRAME (selected_frame))); |
08a24c47 JB |
710 | } |
711 | } | |
712 | } | |
713 | ||
ff11dfa1 | 714 | /* Clear entire frame */ |
08a24c47 | 715 | |
dfcf069d | 716 | void |
ff11dfa1 | 717 | clear_frame () |
08a24c47 | 718 | { |
e52f4e08 | 719 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 720 | |
ff11dfa1 | 721 | if (clear_frame_hook |
e52f4e08 | 722 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 723 | { |
ff11dfa1 | 724 | (*clear_frame_hook) (); |
08a24c47 JB |
725 | return; |
726 | } | |
ff11dfa1 | 727 | if (TS_clr_frame) |
08a24c47 JB |
728 | { |
729 | background_highlight (); | |
ff11dfa1 | 730 | OUTPUT (TS_clr_frame); |
08a24c47 JB |
731 | cmat (0, 0); |
732 | } | |
733 | else | |
734 | { | |
735 | cursor_to (0, 0); | |
736 | clear_to_end (); | |
737 | } | |
738 | } | |
739 | ||
08a24c47 JB |
740 | /* Clear from cursor to end of line. |
741 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
742 | |
743 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
744 | ||
dfcf069d | 745 | void |
8ede64a5 | 746 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
747 | int first_unused_hpos; |
748 | { | |
749 | register int i; | |
750 | ||
751 | if (clear_end_of_line_hook | |
1820044b | 752 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 753 | ? updating_frame |
e52f4e08 | 754 | : XFRAME (selected_frame)))) |
08a24c47 JB |
755 | { |
756 | (*clear_end_of_line_hook) (first_unused_hpos); | |
757 | return; | |
758 | } | |
759 | ||
36cae867 KH |
760 | /* Detect the case where we are called from reset_sys_modes |
761 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 762 | if (! costs_set) |
36cae867 KH |
763 | return; |
764 | ||
08a24c47 JB |
765 | if (curX >= first_unused_hpos) |
766 | return; | |
08a24c47 JB |
767 | background_highlight (); |
768 | if (TS_clr_line) | |
769 | { | |
770 | OUTPUT1 (TS_clr_line); | |
771 | } | |
772 | else | |
773 | { /* have to do it the hard way */ | |
e52f4e08 | 774 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
775 | turn_off_insert (); |
776 | ||
a168702a | 777 | /* Do not write in last row last col with Auto-wrap on. */ |
9882535b KS |
778 | if (AutoWrap && curY == FRAME_LINES (sf) - 1 |
779 | && first_unused_hpos == FRAME_COLS (sf)) | |
08a24c47 JB |
780 | first_unused_hpos--; |
781 | ||
782 | for (i = curX; i < first_unused_hpos; i++) | |
783 | { | |
784 | if (termscript) | |
785 | fputc (' ', termscript); | |
786 | putchar (' '); | |
787 | } | |
788 | cmplus (first_unused_hpos - curX); | |
789 | } | |
790 | } | |
791 | \f | |
4ae0a2c0 KH |
792 | /* Buffer to store the result of terminal codes. It is initialized in |
793 | term_init and, if necessary, enlarged in encode_terminal_code. */ | |
74e6e670 | 794 | unsigned char *terminal_encode_buffer; |
4ae0a2c0 KH |
795 | /* Size of terminal_encode_buffer. */ |
796 | static int terminal_encode_buf_size; | |
797 | ||
a4decb7f | 798 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
4ae0a2c0 | 799 | store them in terminal_encode_buffer. |
a4decb7f KH |
800 | |
801 | We store the number of glyphs actually converted in *CONSUMED. The | |
4ae0a2c0 KH |
802 | return value is the number of bytes stored in |
803 | terminal_encode_buffer. | |
804 | ||
805 | This function will stop before encoding all glyphs in these two | |
806 | cases. | |
807 | ||
808 | (1) If the first glyph doesn't have a string entry in Vglyph_table, | |
809 | it stops at encountering a glyph that has a string entry in | |
810 | Vglyph_table.n | |
811 | ||
812 | (2) If the first has a string entry in Vglyph_table, it stops after | |
813 | encoding that string. | |
814 | */ | |
a4decb7f KH |
815 | |
816 | int | |
4ae0a2c0 | 817 | encode_terminal_code (src, src_len, consumed) |
a168702a | 818 | struct glyph *src; |
a4decb7f | 819 | int src_len; |
4ae0a2c0 | 820 | int *consumed; |
a4decb7f | 821 | { |
a168702a | 822 | struct glyph *src_start = src, *src_end = src + src_len; |
085d5908 | 823 | register GLYPH g; |
4ae0a2c0 KH |
824 | register int c; |
825 | Lisp_Object string; | |
826 | unsigned char *workbuf, *buf; | |
827 | int nchars; | |
a4decb7f KH |
828 | register int tlen = GLYPH_TABLE_LENGTH; |
829 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 | 830 | struct coding_system *coding; |
c5a518df KH |
831 | Lisp_Object attrs, charset_list; |
832 | ||
833 | #if 1 | |
834 | /* GLYPH-TABLE is not supported anymore in xdisp.c. */ | |
835 | tlen = 0; | |
836 | #endif | |
6589fd67 | 837 | |
1ac0700a KH |
838 | /* If terminal_coding does any conversion, use it, otherwise use |
839 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
840 | because it always return 1 if the member src_multibyte is 1. */ | |
841 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
842 | ? &terminal_coding |
843 | : &safe_terminal_coding); | |
4ae0a2c0 KH |
844 | coding->destination = terminal_encode_buffer; |
845 | coding->dst_bytes = terminal_encode_buf_size; | |
846 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
c5a518df KH |
847 | attrs = CODING_ID_ATTRS (coding->id); |
848 | charset_list = CODING_ATTR_CHARSET_LIST (attrs); | |
a4decb7f | 849 | |
4ae0a2c0 KH |
850 | workbuf = buf = alloca (MAX_MULTIBYTE_LENGTH * src_len); |
851 | for (nchars = 0; src < src_end; src++) | |
a4decb7f | 852 | { |
a4decb7f | 853 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 854 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 855 | { |
32de38e4 | 856 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
4ae0a2c0 | 857 | string = Qnil; |
32de38e4 KH |
858 | |
859 | if (g < 0 || g >= tlen) | |
4ae0a2c0 | 860 | c = src->u.ch; |
32de38e4 | 861 | else |
a4decb7f | 862 | { |
32de38e4 | 863 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
864 | so process any alias before testing for simpleness. */ |
865 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
866 | |
867 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
4ae0a2c0 KH |
868 | /* We set the multi-byte form of a character in G |
869 | (that should be an ASCII character) at WORKBUF. */ | |
870 | c = FAST_GLYPH_CHAR (g); | |
32de38e4 | 871 | else |
4ae0a2c0 KH |
872 | /* We have a string in Vglyph_table. */ |
873 | string = tbase[g]; | |
171d7f24 | 874 | } |
177c0ea7 | 875 | |
4ae0a2c0 | 876 | if (NILP (string)) |
c42869c4 | 877 | { |
c5a518df KH |
878 | if (! char_charset (c, charset_list, NULL)) |
879 | { | |
880 | /* C is not encodable. */ | |
881 | int i; | |
882 | ||
883 | for (i = CHAR_WIDTH (c) - 1; i >= 0; i--, nchars++) | |
884 | *buf++ = '?'; | |
885 | } | |
886 | else | |
887 | { | |
888 | /* Store the multibyte form of C at BUF. */ | |
889 | buf += CHAR_STRING (c, buf); | |
890 | nchars++; | |
891 | } | |
4ae0a2c0 KH |
892 | } |
893 | else | |
894 | { | |
895 | if (nchars == 0) | |
896 | { | |
897 | encode_coding_object (coding, string, 0, 0, SCHARS (string), | |
898 | SBYTES (string), Qnil); | |
899 | src++; | |
900 | } | |
901 | break; | |
c42869c4 | 902 | } |
a4decb7f | 903 | } |
a4decb7f | 904 | } |
177c0ea7 | 905 | |
4ae0a2c0 KH |
906 | if (nchars > 0) |
907 | { | |
908 | coding->source = workbuf; | |
909 | encode_coding_object (coding, Qnil, 0, 0, nchars, | |
910 | buf - workbuf, Qnil); | |
911 | } | |
c5a518df | 912 | /* coding->destination may have been reallocated. */ |
4ae0a2c0 | 913 | terminal_encode_buffer = coding->destination; |
c5a518df KH |
914 | if (terminal_encode_buf_size < coding->dst_bytes) |
915 | terminal_encode_buf_size = coding->dst_bytes; | |
4ae0a2c0 | 916 | |
a4decb7f | 917 | *consumed = src - src_start; |
4ae0a2c0 | 918 | return (coding->produced); |
a4decb7f KH |
919 | } |
920 | ||
08a24c47 | 921 | |
dfcf069d | 922 | void |
08a24c47 | 923 | write_glyphs (string, len) |
a168702a | 924 | register struct glyph *string; |
08a24c47 JB |
925 | register int len; |
926 | { | |
a4decb7f | 927 | int produced, consumed; |
e52f4e08 GM |
928 | struct frame *sf = XFRAME (selected_frame); |
929 | struct frame *f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
930 | |
931 | if (write_glyphs_hook | |
a168702a | 932 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
933 | { |
934 | (*write_glyphs_hook) (string, len); | |
935 | return; | |
936 | } | |
937 | ||
08a24c47 | 938 | turn_off_insert (); |
d284f58f | 939 | tty_hide_cursor (); |
08a24c47 | 940 | |
a168702a | 941 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 942 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
943 | |
944 | if (AutoWrap | |
9882535b KS |
945 | && curY + 1 == FRAME_LINES (sf) |
946 | && (curX + len) == FRAME_COLS (sf)) | |
08a24c47 | 947 | len --; |
a4decb7f KH |
948 | if (len <= 0) |
949 | return; | |
08a24c47 JB |
950 | |
951 | cmplus (len); | |
177c0ea7 | 952 | |
6589fd67 KH |
953 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
954 | the tail. */ | |
955 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
177c0ea7 | 956 | |
a4decb7f | 957 | while (len > 0) |
08a24c47 | 958 | { |
a168702a | 959 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 960 | int face_id = string->face_id; |
a168702a | 961 | int n; |
177c0ea7 | 962 | |
a168702a | 963 | for (n = 1; n < len; ++n) |
32de38e4 | 964 | if (string[n].face_id != face_id) |
a168702a GM |
965 | break; |
966 | ||
967 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 968 | highlight_if_desired (); |
a168702a GM |
969 | turn_on_face (f, face_id); |
970 | ||
971 | while (n > 0) | |
08a24c47 | 972 | { |
4ae0a2c0 | 973 | produced = encode_terminal_code (string, n, &consumed); |
a168702a GM |
974 | if (produced > 0) |
975 | { | |
4ae0a2c0 | 976 | fwrite (terminal_encode_buffer, 1, produced, stdout); |
a168702a GM |
977 | if (ferror (stdout)) |
978 | clearerr (stdout); | |
979 | if (termscript) | |
4ae0a2c0 | 980 | fwrite (terminal_encode_buffer, 1, produced, termscript); |
a168702a GM |
981 | } |
982 | len -= consumed; | |
983 | n -= consumed; | |
984 | string += consumed; | |
08a24c47 | 985 | } |
a168702a GM |
986 | |
987 | /* Turn appearance modes off. */ | |
988 | turn_off_face (f, face_id); | |
65aa5e85 | 989 | turn_off_highlight (); |
a4decb7f | 990 | } |
177c0ea7 | 991 | |
9a6b6f92 | 992 | cmcheckmagic (); |
08a24c47 JB |
993 | } |
994 | ||
995 | /* If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 996 | |
dfcf069d | 997 | void |
08a24c47 | 998 | insert_glyphs (start, len) |
a168702a | 999 | register struct glyph *start; |
08a24c47 JB |
1000 | register int len; |
1001 | { | |
1002 | char *buf; | |
6bbd7a29 | 1003 | struct glyph *glyph = NULL; |
e52f4e08 | 1004 | struct frame *f, *sf; |
08a24c47 | 1005 | |
a4decb7f KH |
1006 | if (len <= 0) |
1007 | return; | |
1008 | ||
a168702a | 1009 | if (insert_glyphs_hook) |
08a24c47 JB |
1010 | { |
1011 | (*insert_glyphs_hook) (start, len); | |
1012 | return; | |
1013 | } | |
a168702a | 1014 | |
e52f4e08 GM |
1015 | sf = XFRAME (selected_frame); |
1016 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1017 | |
1018 | if (TS_ins_multi_chars) | |
1019 | { | |
1020 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1021 | OUTPUT1 (buf); | |
9ac0d9e0 | 1022 | xfree (buf); |
08a24c47 JB |
1023 | if (start) |
1024 | write_glyphs (start, len); | |
1025 | return; | |
1026 | } | |
1027 | ||
1028 | turn_on_insert (); | |
1029 | cmplus (len); | |
6589fd67 KH |
1030 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
1031 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 1032 | while (len-- > 0) |
08a24c47 | 1033 | { |
a4decb7f KH |
1034 | int produced, consumed; |
1035 | ||
08a24c47 JB |
1036 | OUTPUT1_IF (TS_ins_char); |
1037 | if (!start) | |
32de38e4 | 1038 | { |
4ae0a2c0 | 1039 | terminal_encode_buffer[0] = SPACEGLYPH; |
32de38e4 KH |
1040 | produced = 1; |
1041 | } | |
08a24c47 | 1042 | else |
08a24c47 | 1043 | { |
65aa5e85 | 1044 | highlight_if_desired (); |
32de38e4 | 1045 | turn_on_face (f, start->face_id); |
816be8b8 | 1046 | glyph = start; |
a168702a | 1047 | ++start; |
a4decb7f KH |
1048 | /* We must open sufficient space for a character which |
1049 | occupies more than one column. */ | |
a168702a | 1050 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1051 | { |
1052 | OUTPUT1_IF (TS_ins_char); | |
1053 | start++, len--; | |
1054 | } | |
4ae0a2c0 | 1055 | produced = encode_terminal_code (glyph, 1, &consumed); |
32de38e4 | 1056 | } |
a4decb7f | 1057 | |
a4decb7f | 1058 | if (produced > 0) |
08a24c47 | 1059 | { |
4ae0a2c0 | 1060 | fwrite (terminal_encode_buffer, 1, produced, stdout); |
08a24c47 JB |
1061 | if (ferror (stdout)) |
1062 | clearerr (stdout); | |
1063 | if (termscript) | |
4ae0a2c0 | 1064 | fwrite (terminal_encode_buffer, 1, produced, termscript); |
08a24c47 JB |
1065 | } |
1066 | ||
9a6b6f92 | 1067 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1068 | if (start) |
65aa5e85 GM |
1069 | { |
1070 | turn_off_face (f, glyph->face_id); | |
1071 | turn_off_highlight (); | |
1072 | } | |
9a6b6f92 | 1073 | } |
177c0ea7 | 1074 | |
9a6b6f92 | 1075 | cmcheckmagic (); |
08a24c47 JB |
1076 | } |
1077 | ||
dfcf069d | 1078 | void |
08a24c47 JB |
1079 | delete_glyphs (n) |
1080 | register int n; | |
1081 | { | |
1082 | char *buf; | |
1083 | register int i; | |
1084 | ||
1820044b | 1085 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1086 | { |
1087 | (*delete_glyphs_hook) (n); | |
1088 | return; | |
1089 | } | |
1090 | ||
1091 | if (delete_in_insert_mode) | |
1092 | { | |
1093 | turn_on_insert (); | |
1094 | } | |
1095 | else | |
1096 | { | |
1097 | turn_off_insert (); | |
1098 | OUTPUT_IF (TS_delete_mode); | |
1099 | } | |
1100 | ||
1101 | if (TS_del_multi_chars) | |
1102 | { | |
1103 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1104 | OUTPUT1 (buf); | |
9ac0d9e0 | 1105 | xfree (buf); |
08a24c47 JB |
1106 | } |
1107 | else | |
1108 | for (i = 0; i < n; i++) | |
1109 | OUTPUT1 (TS_del_char); | |
1110 | if (!delete_in_insert_mode) | |
1111 | OUTPUT_IF (TS_end_delete_mode); | |
1112 | } | |
1113 | \f | |
1114 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1115 | ||
dfcf069d | 1116 | void |
08a24c47 JB |
1117 | ins_del_lines (vpos, n) |
1118 | int vpos, n; | |
1119 | { | |
1120 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1121 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1122 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1123 | struct frame *sf; |
08a24c47 JB |
1124 | |
1125 | register int i = n > 0 ? n : -n; | |
1126 | register char *buf; | |
1127 | ||
1820044b | 1128 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1129 | { |
1130 | (*ins_del_lines_hook) (vpos, n); | |
1131 | return; | |
1132 | } | |
1133 | ||
e52f4e08 | 1134 | sf = XFRAME (selected_frame); |
177c0ea7 | 1135 | |
08a24c47 JB |
1136 | /* If the lines below the insertion are being pushed |
1137 | into the end of the window, this is the same as clearing; | |
1138 | and we know the lines are already clear, since the matching | |
1139 | deletion has already been done. So can ignore this. */ | |
1140 | /* If the lines below the deletion are blank lines coming | |
1141 | out of the end of the window, don't bother, | |
1142 | as there will be a matching inslines later that will flush them. */ | |
1143 | if (scroll_region_ok && vpos + i >= specified_window) | |
1144 | return; | |
9882535b | 1145 | if (!memory_below_frame && vpos + i >= FRAME_LINES (sf)) |
08a24c47 JB |
1146 | return; |
1147 | ||
1148 | if (multi) | |
1149 | { | |
1150 | raw_cursor_to (vpos, 0); | |
1151 | background_highlight (); | |
1152 | buf = tparam (multi, 0, 0, i); | |
1153 | OUTPUT (buf); | |
9ac0d9e0 | 1154 | xfree (buf); |
08a24c47 JB |
1155 | } |
1156 | else if (single) | |
1157 | { | |
1158 | raw_cursor_to (vpos, 0); | |
1159 | background_highlight (); | |
1160 | while (--i >= 0) | |
1161 | OUTPUT (single); | |
1162 | if (TF_teleray) | |
1163 | curX = 0; | |
1164 | } | |
1165 | else | |
1166 | { | |
1167 | set_scroll_region (vpos, specified_window); | |
1168 | if (n < 0) | |
1169 | raw_cursor_to (specified_window - 1, 0); | |
1170 | else | |
1171 | raw_cursor_to (vpos, 0); | |
1172 | background_highlight (); | |
1173 | while (--i >= 0) | |
1174 | OUTPUTL (scroll, specified_window - vpos); | |
1175 | set_scroll_region (0, specified_window); | |
1176 | } | |
1177 | ||
ff11dfa1 | 1178 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1179 | { |
9882535b | 1180 | cursor_to (FRAME_LINES (sf) + n, 0); |
08a24c47 JB |
1181 | clear_to_end (); |
1182 | } | |
1183 | } | |
1184 | \f | |
1185 | /* Compute cost of sending "str", in characters, | |
1186 | not counting any line-dependent padding. */ | |
1187 | ||
1188 | int | |
1189 | string_cost (str) | |
1190 | char *str; | |
1191 | { | |
1192 | cost = 0; | |
1193 | if (str) | |
1194 | tputs (str, 0, evalcost); | |
1195 | return cost; | |
1196 | } | |
1197 | ||
1198 | /* Compute cost of sending "str", in characters, | |
1199 | counting any line-dependent padding at one line. */ | |
1200 | ||
1201 | static int | |
1202 | string_cost_one_line (str) | |
1203 | char *str; | |
1204 | { | |
1205 | cost = 0; | |
1206 | if (str) | |
1207 | tputs (str, 1, evalcost); | |
1208 | return cost; | |
1209 | } | |
1210 | ||
1211 | /* Compute per line amount of line-dependent padding, | |
1212 | in tenths of characters. */ | |
1213 | ||
1214 | int | |
1215 | per_line_cost (str) | |
1216 | register char *str; | |
1217 | { | |
1218 | cost = 0; | |
1219 | if (str) | |
1220 | tputs (str, 0, evalcost); | |
1221 | cost = - cost; | |
1222 | if (str) | |
1223 | tputs (str, 10, evalcost); | |
1224 | return cost; | |
1225 | } | |
1226 | ||
1227 | #ifndef old | |
1228 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1229 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1230 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1231 | |
1232 | int *char_ins_del_vector; | |
1233 | ||
9882535b | 1234 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1235 | #endif |
1236 | ||
1237 | /* ARGSUSED */ | |
1238 | static void | |
ff11dfa1 JB |
1239 | calculate_ins_del_char_costs (frame) |
1240 | FRAME_PTR frame; | |
08a24c47 JB |
1241 | { |
1242 | int ins_startup_cost, del_startup_cost; | |
1243 | int ins_cost_per_char, del_cost_per_char; | |
1244 | register int i; | |
1245 | register int *p; | |
1246 | ||
1247 | if (TS_ins_multi_chars) | |
1248 | { | |
1249 | ins_cost_per_char = 0; | |
1250 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1251 | } | |
1252 | else if (TS_ins_char || TS_pad_inserted_char | |
1253 | || (TS_insert_mode && TS_end_insert_mode)) | |
1254 | { | |
1255 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1256 | + string_cost (TS_end_insert_mode))) / 100; | |
1257 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1258 | + string_cost_one_line (TS_pad_inserted_char)); | |
1259 | } | |
1260 | else | |
1261 | { | |
1262 | ins_startup_cost = 9999; | |
1263 | ins_cost_per_char = 0; | |
1264 | } | |
1265 | ||
1266 | if (TS_del_multi_chars) | |
1267 | { | |
1268 | del_cost_per_char = 0; | |
1269 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1270 | } | |
1271 | else if (TS_del_char) | |
1272 | { | |
1273 | del_startup_cost = (string_cost (TS_delete_mode) | |
1274 | + string_cost (TS_end_delete_mode)); | |
1275 | if (delete_in_insert_mode) | |
1276 | del_startup_cost /= 2; | |
1277 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1278 | } | |
1279 | else | |
1280 | { | |
1281 | del_startup_cost = 9999; | |
1282 | del_cost_per_char = 0; | |
1283 | } | |
1284 | ||
1285 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1286 | p = &char_ins_del_cost (frame)[0]; |
9882535b | 1287 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1288 | *--p = (del_startup_cost += del_cost_per_char); |
1289 | ||
1290 | /* Doing nothing is free */ | |
ff11dfa1 | 1291 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1292 | *p++ = 0; |
1293 | ||
1294 | /* Insert costs are at positive offsets */ | |
9882535b | 1295 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1296 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1297 | } | |
1298 | ||
dfcf069d | 1299 | void |
ff11dfa1 JB |
1300 | calculate_costs (frame) |
1301 | FRAME_PTR frame; | |
08a24c47 | 1302 | { |
9f732a77 RS |
1303 | register char *f = (TS_set_scroll_region |
1304 | ? TS_set_scroll_region | |
1305 | : TS_set_scroll_region_1); | |
08a24c47 | 1306 | |
9f732a77 | 1307 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1308 | |
be7cd44f | 1309 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1310 | |
1311 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1312 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1313 | |
1314 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
8ede64a5 | 1315 | X turns off char_ins_del_ok. */ |
08a24c47 | 1316 | |
9882535b KS |
1317 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1318 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
8dd0c7cb | 1319 | |
8ede64a5 | 1320 | costs_set = 1; |
08a24c47 JB |
1321 | |
1322 | if (char_ins_del_vector != 0) | |
1323 | char_ins_del_vector | |
1324 | = (int *) xrealloc (char_ins_del_vector, | |
1325 | (sizeof (int) | |
9882535b | 1326 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 JB |
1327 | else |
1328 | char_ins_del_vector | |
1329 | = (int *) xmalloc (sizeof (int) | |
9882535b | 1330 | + 2 * max_frame_cols * sizeof (int)); |
08a24c47 | 1331 | |
08a24c47 | 1332 | bzero (char_ins_del_vector, (sizeof (int) |
9882535b | 1333 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 | 1334 | |
ff11dfa1 JB |
1335 | if (f && (!TS_ins_line && !TS_del_line)) |
1336 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1337 | TS_rev_scroll, TS_ins_multi_lines, |
1338 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1339 | f, f, 1); |
08a24c47 | 1340 | else |
ff11dfa1 | 1341 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1342 | TS_ins_line, TS_ins_multi_lines, |
1343 | TS_del_line, TS_del_multi_lines, | |
1344 | 0, 0, 1); | |
1345 | ||
ff11dfa1 | 1346 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1347 | |
1348 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1349 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1350 | RPov = string_cost (TS_repeat); | |
1351 | else | |
9882535b | 1352 | RPov = FRAME_COLS (frame) * 2; |
08a24c47 JB |
1353 | |
1354 | cmcostinit (); /* set up cursor motion costs */ | |
1355 | } | |
1356 | \f | |
a796ac82 JB |
1357 | struct fkey_table { |
1358 | char *cap, *name; | |
1359 | }; | |
1360 | ||
01d8deb0 ER |
1361 | /* Termcap capability names that correspond directly to X keysyms. |
1362 | Some of these (marked "terminfo") aren't supplied by old-style | |
1363 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1364 | except we put the keypad keys first, so that if they clash with | |
1365 | other keys (as on the IBM PC keyboard) they get overridden. | |
1366 | */ | |
1367 | ||
a168702a GM |
1368 | static struct fkey_table keys[] = |
1369 | { | |
8103ad1a PJ |
1370 | {"kh", "home"}, /* termcap */ |
1371 | {"kl", "left"}, /* termcap */ | |
1372 | {"ku", "up"}, /* termcap */ | |
1373 | {"kr", "right"}, /* termcap */ | |
1374 | {"kd", "down"}, /* termcap */ | |
1375 | {"%8", "prior"}, /* terminfo */ | |
1376 | {"%5", "next"}, /* terminfo */ | |
1377 | {"@7", "end"}, /* terminfo */ | |
1378 | {"@1", "begin"}, /* terminfo */ | |
1379 | {"*6", "select"}, /* terminfo */ | |
1380 | {"%9", "print"}, /* terminfo */ | |
1381 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1382 | /* |
1383 | * "insert" --- see below | |
1384 | */ | |
8103ad1a PJ |
1385 | {"&8", "undo"}, /* terminfo */ |
1386 | {"%0", "redo"}, /* terminfo */ | |
1387 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1388 | {"@0", "find"}, /* terminfo */ | |
1389 | {"@2", "cancel"}, /* terminfo */ | |
1390 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1391 | /* |
1392 | * "break" goes here, but can't be reliably intercepted with termcap | |
1393 | */ | |
8103ad1a | 1394 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1395 | /* |
1396 | * "system" and "user" --- no termcaps | |
1397 | */ | |
8103ad1a PJ |
1398 | {"kE", "clearline"}, /* terminfo */ |
1399 | {"kA", "insertline"}, /* terminfo */ | |
1400 | {"kL", "deleteline"}, /* terminfo */ | |
1401 | {"kI", "insertchar"}, /* terminfo */ | |
1402 | {"kD", "deletechar"}, /* terminfo */ | |
1403 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1404 | /* |
1405 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1406 | */ | |
8103ad1a | 1407 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1408 | /* |
1409 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1410 | * "kp-multiply", "kp-add", "kp-separator", | |
1411 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1412 | * --- no termcaps for any of these. | |
1413 | */ | |
8103ad1a | 1414 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1415 | /* |
1416 | * "kp-2" --- no termcap | |
1417 | */ | |
8103ad1a | 1418 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1419 | /* |
1420 | * "kp-4" --- no termcap | |
1421 | */ | |
8103ad1a | 1422 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1423 | /* |
1424 | * "kp-6" --- no termcap | |
1425 | */ | |
8103ad1a | 1426 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1427 | /* |
1428 | * "kp-8" --- no termcap | |
1429 | */ | |
8103ad1a | 1430 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1431 | /* |
1432 | * "kp-equal" --- no termcap | |
1433 | */ | |
8103ad1a PJ |
1434 | {"k1", "f1"}, |
1435 | {"k2", "f2"}, | |
1436 | {"k3", "f3"}, | |
1437 | {"k4", "f4"}, | |
1438 | {"k5", "f5"}, | |
1439 | {"k6", "f6"}, | |
1440 | {"k7", "f7"}, | |
1441 | {"k8", "f8"}, | |
1442 | {"k9", "f9"} | |
a796ac82 JB |
1443 | }; |
1444 | ||
f2a00342 RM |
1445 | static char **term_get_fkeys_arg; |
1446 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1447 | |
01d8deb0 | 1448 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1449 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1450 | adds entries to Vfunction_key_map for each function key it finds. */ |
1451 | ||
5c2c7893 JB |
1452 | void |
1453 | term_get_fkeys (address) | |
1454 | char **address; | |
f2a00342 RM |
1455 | { |
1456 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1457 | errors during the call. The only errors should be from Fdefine_key | |
1458 | when given a key sequence containing an invalid prefix key. If the | |
1459 | termcap defines function keys which use a prefix that is already bound | |
1460 | to a command by the default bindings, we should silently ignore that | |
1461 | function key specification, rather than giving the user an error and | |
1462 | refusing to run at all on such a terminal. */ | |
1463 | ||
1464 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1465 | term_get_fkeys_arg = address; |
1466 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1467 | } | |
1468 | ||
1469 | static Lisp_Object | |
1470 | term_get_fkeys_1 () | |
5c2c7893 | 1471 | { |
5c2c7893 JB |
1472 | int i; |
1473 | ||
37085233 | 1474 | char **address = term_get_fkeys_arg; |
f778aff2 | 1475 | |
3e65092f RS |
1476 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1477 | if (!initialized) | |
1478 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1479 | ||
5c2c7893 JB |
1480 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1481 | { | |
1482 | char *sequence = tgetstr (keys[i].cap, address); | |
1483 | if (sequence) | |
f2a00342 RM |
1484 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1485 | Fmake_vector (make_number (1), | |
1486 | intern (keys[i].name))); | |
5c2c7893 | 1487 | } |
a796ac82 JB |
1488 | |
1489 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1490 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1491 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1492 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1493 | */ | |
1494 | { | |
1495 | char *k_semi = tgetstr ("k;", address); | |
1496 | char *k0 = tgetstr ("k0", address); | |
1497 | char *k0_name = "f10"; | |
1498 | ||
1499 | if (k_semi) | |
1500 | { | |
95c11956 SM |
1501 | if (k0) |
1502 | /* Define f0 first, so that f10 takes precedence in case the | |
1503 | key sequences happens to be the same. */ | |
1504 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1505 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1506 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1507 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1508 | } |
95c11956 | 1509 | else if (k0) |
f2a00342 RM |
1510 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1511 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1512 | } |
01d8deb0 ER |
1513 | |
1514 | /* Set up cookies for numbered function keys above f10. */ | |
1515 | { | |
1516 | char fcap[3], fkey[4]; | |
1517 | ||
fc4f24da | 1518 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1519 | for (i = 11; i < 64; i++) |
1520 | { | |
1521 | if (i <= 19) | |
1522 | fcap[1] = '1' + i - 11; | |
1523 | else if (i <= 45) | |
b59ab95c | 1524 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1525 | else |
b59ab95c | 1526 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1527 | |
fc4f24da RS |
1528 | { |
1529 | char *sequence = tgetstr (fcap, address); | |
1530 | if (sequence) | |
1531 | { | |
465db27b | 1532 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1533 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1534 | Fmake_vector (make_number (1), | |
1535 | intern (fkey))); | |
fc4f24da RS |
1536 | } |
1537 | } | |
01d8deb0 ER |
1538 | } |
1539 | } | |
1540 | ||
1541 | /* | |
1542 | * Various mappings to try and get a better fit. | |
1543 | */ | |
1544 | { | |
fc4f24da RS |
1545 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1546 | if (!tgetstr (cap1, address)) \ | |
1547 | { \ | |
1548 | char *sequence = tgetstr (cap2, address); \ | |
1549 | if (sequence) \ | |
f2a00342 RM |
1550 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1551 | Fmake_vector (make_number (1), \ | |
1552 | intern (sym))); \ | |
fc4f24da | 1553 | } |
177c0ea7 | 1554 | |
01d8deb0 | 1555 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1556 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1557 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1558 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1559 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1560 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1561 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1562 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1563 | |
1564 | /* IBM has their own non-standard dialect of terminfo. | |
1565 | If the standard name isn't found, try the IBM name. */ | |
1566 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1567 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1568 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1569 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1570 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1571 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1572 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1573 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1574 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1575 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1576 | } |
a168702a GM |
1577 | |
1578 | return Qnil; | |
5c2c7893 JB |
1579 | } |
1580 | ||
1581 | \f | |
a168702a GM |
1582 | /*********************************************************************** |
1583 | Character Display Information | |
1584 | ***********************************************************************/ | |
1585 | ||
1586 | static void append_glyph P_ ((struct it *)); | |
1587 | ||
1588 | ||
1589 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1590 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1591 | for which to produce glyphs; IT->face_id contains the character's | |
1592 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1593 | 1. */ | |
177c0ea7 | 1594 | |
a168702a GM |
1595 | static void |
1596 | append_glyph (it) | |
1597 | struct it *it; | |
1598 | { | |
1599 | struct glyph *glyph, *end; | |
1600 | int i; | |
1601 | ||
1602 | xassert (it->glyph_row); | |
1603 | glyph = (it->glyph_row->glyphs[it->area] | |
1604 | + it->glyph_row->used[it->area]); | |
1605 | end = it->glyph_row->glyphs[1 + it->area]; | |
1606 | ||
177c0ea7 JB |
1607 | for (i = 0; |
1608 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1609 | ++i) |
1610 | { | |
1611 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1612 | glyph->pixel_width = 1; |
32de38e4 KH |
1613 | glyph->u.ch = it->c; |
1614 | glyph->face_id = it->face_id; | |
1615 | glyph->padding_p = i > 0; | |
a168702a GM |
1616 | glyph->charpos = CHARPOS (it->position); |
1617 | glyph->object = it->object; | |
177c0ea7 | 1618 | |
a168702a GM |
1619 | ++it->glyph_row->used[it->area]; |
1620 | ++glyph; | |
1621 | } | |
1622 | } | |
1623 | ||
1624 | ||
b50fe468 RS |
1625 | /* Produce glyphs for the display element described by IT. *IT |
1626 | specifies what we want to produce a glyph for (character, image, ...), | |
1627 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1628 | produce_glyphs fills in output fields of *IT with information such as the | |
1629 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1630 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1631 | struct display_iterator in dispextern.h for an overview. |
1632 | ||
1633 | produce_glyphs also stores the result of glyph width, ascent | |
1634 | etc. computations in *IT. | |
1635 | ||
1636 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1637 | actually fill in the glyphs. This is used in the move_* functions | |
1638 | in xdisp.c for text width and height computations. | |
1639 | ||
1640 | Callers usually don't call produce_glyphs directly; | |
1641 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1642 | |
177c0ea7 | 1643 | void |
a168702a GM |
1644 | produce_glyphs (it) |
1645 | struct it *it; | |
1646 | { | |
1647 | /* If a hook is installed, let it do the work. */ | |
1648 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1649 | || it->what == IT_COMPOSITION |
a168702a GM |
1650 | || it->what == IT_IMAGE |
1651 | || it->what == IT_STRETCH); | |
177c0ea7 | 1652 | |
c7cba11d KH |
1653 | /* Nothing but characters are supported on terminal frames. For a |
1654 | composition sequence, it->c is the first character of the | |
1655 | sequence. */ | |
1656 | xassert (it->what == IT_CHARACTER | |
1657 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1658 | |
1659 | if (it->c >= 040 && it->c < 0177) | |
1660 | { | |
1661 | it->pixel_width = it->nglyphs = 1; | |
1662 | if (it->glyph_row) | |
1663 | append_glyph (it); | |
1664 | } | |
1665 | else if (it->c == '\n') | |
1666 | it->pixel_width = it->nglyphs = 0; | |
1667 | else if (it->c == '\t') | |
1668 | { | |
2efdbcdd | 1669 | int absolute_x = (it->current_x |
a168702a | 1670 | + it->continuation_lines_width); |
177c0ea7 JB |
1671 | int next_tab_x |
1672 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1673 | / it->tab_width) |
1674 | * it->tab_width); | |
1675 | int nspaces; | |
1676 | ||
1677 | /* If part of the TAB has been displayed on the previous line | |
1678 | which is continued now, continuation_lines_width will have | |
1679 | been incremented already by the part that fitted on the | |
1680 | continued line. So, we will get the right number of spaces | |
1681 | here. */ | |
1682 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1683 | |
a168702a GM |
1684 | if (it->glyph_row) |
1685 | { | |
1686 | int n = nspaces; | |
177c0ea7 | 1687 | |
a168702a GM |
1688 | it->c = ' '; |
1689 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1690 | |
a168702a GM |
1691 | while (n--) |
1692 | append_glyph (it); | |
177c0ea7 | 1693 | |
a168702a GM |
1694 | it->c = '\t'; |
1695 | } | |
1696 | ||
1697 | it->pixel_width = nspaces; | |
1698 | it->nglyphs = nspaces; | |
1699 | } | |
c5a518df | 1700 | else if (CHAR_BYTE8_P (it->c)) |
add44890 | 1701 | { |
c5a518df KH |
1702 | /* We must send the raw 8-bit byte as is to the terminal. |
1703 | Although there's no way to know how many columns it occupies | |
1704 | on a screen, it is a good assumption that a single byte code | |
1705 | has 1-column width. */ | |
add44890 EZ |
1706 | it->pixel_width = it->nglyphs = 1; |
1707 | if (it->glyph_row) | |
1708 | append_glyph (it); | |
1709 | } | |
a168702a GM |
1710 | else |
1711 | { | |
9332ea03 | 1712 | it->pixel_width = CHAR_WIDTH (it->c); |
a168702a | 1713 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1714 | |
a168702a GM |
1715 | if (it->glyph_row) |
1716 | append_glyph (it); | |
1717 | } | |
1718 | ||
177c0ea7 | 1719 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1720 | the caller. */ |
1721 | if (it->area == TEXT_AREA) | |
1722 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1723 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1724 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1725 | } |
1726 | ||
1727 | ||
1728 | /* Get information about special display element WHAT in an | |
1729 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1730 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1731 | non-null glyph_row member. This function ensures that fields like | |
1732 | face_id, c, len of IT are left untouched. */ | |
1733 | ||
1734 | void | |
1735 | produce_special_glyphs (it, what) | |
1736 | struct it *it; | |
1737 | enum display_element_type what; | |
1738 | { | |
1739 | struct it temp_it; | |
177c0ea7 | 1740 | |
a168702a GM |
1741 | temp_it = *it; |
1742 | temp_it.dp = NULL; | |
1743 | temp_it.what = IT_CHARACTER; | |
1744 | temp_it.len = 1; | |
7c752c80 | 1745 | temp_it.object = make_number (0); |
a168702a GM |
1746 | bzero (&temp_it.current, sizeof temp_it.current); |
1747 | ||
1748 | if (what == IT_CONTINUATION) | |
1749 | { | |
1750 | /* Continuation glyph. */ | |
1751 | if (it->dp | |
1752 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1753 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1754 | { | |
1755 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1756 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1757 | } |
1758 | else | |
1759 | temp_it.c = '\\'; | |
177c0ea7 | 1760 | |
a168702a GM |
1761 | produce_glyphs (&temp_it); |
1762 | it->pixel_width = temp_it.pixel_width; | |
1763 | it->nglyphs = temp_it.pixel_width; | |
1764 | } | |
1765 | else if (what == IT_TRUNCATION) | |
1766 | { | |
1767 | /* Truncation glyph. */ | |
1768 | if (it->dp | |
1769 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1770 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1771 | { | |
1772 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1773 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1774 | } |
1775 | else | |
1776 | temp_it.c = '$'; | |
177c0ea7 | 1777 | |
a168702a GM |
1778 | produce_glyphs (&temp_it); |
1779 | it->pixel_width = temp_it.pixel_width; | |
1780 | it->nglyphs = temp_it.pixel_width; | |
1781 | } | |
1782 | else | |
1783 | abort (); | |
1784 | } | |
1785 | ||
1786 | ||
a168702a GM |
1787 | \f |
1788 | /*********************************************************************** | |
1789 | Faces | |
1790 | ***********************************************************************/ | |
1791 | ||
4e6ba4a4 GM |
1792 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1793 | one of the enumerators from enum no_color_bit, or a bit set built | |
1794 | from them. Some display attributes may not be used together with | |
1795 | color; the termcap capability `NC' specifies which ones. */ | |
1796 | ||
1797 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
1798 | (TN_max_colors > 0 \ | |
1799 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
1800 | : 1) | |
a168702a GM |
1801 | |
1802 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1803 | ||
1804 | static void | |
1805 | turn_on_face (f, face_id) | |
1806 | struct frame *f; | |
1807 | int face_id; | |
1808 | { | |
1809 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1810 | long fg = face->foreground; |
1811 | long bg = face->background; | |
a168702a | 1812 | |
86a7d192 GM |
1813 | /* Do this first because TS_end_standout_mode may be the same |
1814 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
1815 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) | |
1816 | { | |
1817 | if (TN_max_colors > 0) | |
1818 | { | |
1819 | if (fg >= 0 && bg >= 0) | |
1820 | { | |
1821 | /* If the terminal supports colors, we can set them | |
1822 | below without using reverse video. The face's fg | |
1823 | and bg colors are set as they should appear on | |
1824 | the screen, i.e. they take the inverse-video'ness | |
1825 | of the face already into account. */ | |
1826 | } | |
1827 | else if (inverse_video) | |
1828 | { | |
1829 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1830 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
1831 | toggle_highlight (); | |
1832 | } | |
1833 | else | |
1834 | { | |
1835 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1836 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
1837 | toggle_highlight (); | |
1838 | } | |
1839 | } | |
1840 | else | |
1841 | { | |
1842 | /* If we can't display colors, use reverse video | |
1843 | if the face specifies that. */ | |
37526b42 GM |
1844 | if (inverse_video) |
1845 | { | |
1846 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1847 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
1848 | toggle_highlight (); | |
1849 | } | |
1850 | else | |
1851 | { | |
1852 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1853 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
1854 | toggle_highlight (); | |
1855 | } | |
86a7d192 GM |
1856 | } |
1857 | } | |
a168702a GM |
1858 | |
1859 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
1860 | { |
1861 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
1862 | OUTPUT1_IF (TS_enter_bold_mode); | |
1863 | } | |
a168702a | 1864 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
1865 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
1866 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
1867 | |
1868 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
1869 | if (face->tty_alt_charset_p |
1870 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
1871 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
1872 | ||
4e6ba4a4 GM |
1873 | if (face->tty_blinking_p |
1874 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
1875 | OUTPUT1_IF (TS_enter_blink_mode); |
1876 | ||
54800acb | 1877 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) |
a168702a GM |
1878 | OUTPUT1_IF (TS_enter_underline_mode); |
1879 | ||
a168702a GM |
1880 | if (TN_max_colors > 0) |
1881 | { | |
1882 | char *p; | |
177c0ea7 | 1883 | |
86a7d192 | 1884 | if (fg >= 0 && TS_set_foreground) |
a168702a | 1885 | { |
86a7d192 | 1886 | p = tparam (TS_set_foreground, NULL, 0, (int) fg); |
a168702a GM |
1887 | OUTPUT (p); |
1888 | xfree (p); | |
1889 | } | |
1890 | ||
86a7d192 | 1891 | if (bg >= 0 && TS_set_background) |
a168702a | 1892 | { |
86a7d192 | 1893 | p = tparam (TS_set_background, NULL, 0, (int) bg); |
a168702a GM |
1894 | OUTPUT (p); |
1895 | xfree (p); | |
1896 | } | |
1897 | } | |
1898 | } | |
177c0ea7 | 1899 | |
a168702a GM |
1900 | |
1901 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
1902 | ||
1903 | static void | |
1904 | turn_off_face (f, face_id) | |
1905 | struct frame *f; | |
1906 | int face_id; | |
1907 | { | |
1908 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
1909 | |
1910 | xassert (face != NULL); | |
1911 | ||
1912 | if (TS_exit_attribute_mode) | |
1913 | { | |
1914 | /* Capability "me" will turn off appearance modes double-bright, | |
1915 | half-bright, reverse-video, standout, underline. It may or | |
1916 | may not turn off alt-char-mode. */ | |
1917 | if (face->tty_bold_p | |
1918 | || face->tty_dim_p | |
1919 | || face->tty_reverse_p | |
1920 | || face->tty_alt_charset_p | |
1921 | || face->tty_blinking_p | |
1922 | || face->tty_underline_p) | |
65aa5e85 GM |
1923 | { |
1924 | OUTPUT1_IF (TS_exit_attribute_mode); | |
1925 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
1926 | standout_mode = 0; | |
1927 | } | |
a168702a GM |
1928 | |
1929 | if (face->tty_alt_charset_p) | |
1930 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
1931 | } | |
1932 | else | |
1933 | { | |
1934 | /* If we don't have "me" we can only have those appearances | |
1935 | that have exit sequences defined. */ | |
1936 | if (face->tty_alt_charset_p) | |
1937 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
1938 | ||
54800acb | 1939 | if (face->tty_underline_p) |
a168702a GM |
1940 | OUTPUT_IF (TS_exit_underline_mode); |
1941 | } | |
1942 | ||
1943 | /* Switch back to default colors. */ | |
1944 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
1945 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
1946 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
1947 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
1948 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
1949 | OUTPUT1_IF (TS_orig_pair); |
1950 | } | |
177c0ea7 JB |
1951 | |
1952 | ||
b63a55ac MB |
1953 | /* Return non-zero if the terminal on frame F supports all of the |
1954 | capabilities in CAPS simultaneously, with foreground and background | |
1955 | colors FG and BG. */ | |
1956 | ||
4a8130f2 MB |
1957 | int |
1958 | tty_capable_p (f, caps, fg, bg) | |
b63a55ac MB |
1959 | struct frame *f; |
1960 | unsigned caps; | |
1961 | unsigned long fg, bg; | |
1962 | { | |
1963 | #define TTY_CAPABLE_P_TRY(cap, TS, NC_bit) \ | |
1964 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(NC_bit))) \ | |
1965 | return 0; | |
1966 | ||
1967 | TTY_CAPABLE_P_TRY (TTY_CAP_INVERSE, TS_standout_mode, NC_REVERSE); | |
1968 | TTY_CAPABLE_P_TRY (TTY_CAP_UNDERLINE, TS_enter_underline_mode, NC_UNDERLINE); | |
1969 | TTY_CAPABLE_P_TRY (TTY_CAP_BOLD, TS_enter_bold_mode, NC_BOLD); | |
1970 | TTY_CAPABLE_P_TRY (TTY_CAP_DIM, TS_enter_dim_mode, NC_DIM); | |
1971 | TTY_CAPABLE_P_TRY (TTY_CAP_BLINK, TS_enter_blink_mode, NC_BLINK); | |
1972 | TTY_CAPABLE_P_TRY (TTY_CAP_ALT_CHARSET, TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
1973 | ||
1974 | /* We can do it! */ | |
1975 | return 1; | |
1976 | } | |
1977 | ||
1978 | ||
a168702a GM |
1979 | /* Return non-zero if the terminal is capable to display colors. */ |
1980 | ||
1981 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 1982 | 0, 1, 0, |
99fdd6bc EZ |
1983 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
1984 | (display) | |
1985 | Lisp_Object display; | |
a168702a GM |
1986 | { |
1987 | return TN_max_colors > 0 ? Qt : Qnil; | |
1988 | } | |
1989 | ||
bfa62f96 EZ |
1990 | /* Return the number of supported colors. */ |
1991 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
1992 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
1993 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
1994 | (display) | |
1995 | Lisp_Object display; | |
bfa62f96 EZ |
1996 | { |
1997 | return make_number (TN_max_colors); | |
1998 | } | |
1999 | ||
ace28297 | 2000 | #ifndef WINDOWSNT |
a168702a | 2001 | |
ace28297 EZ |
2002 | /* Save or restore the default color-related capabilities of this |
2003 | terminal. */ | |
2004 | static void | |
2005 | tty_default_color_capabilities (save) | |
2006 | int save; | |
2007 | { | |
2008 | static char | |
2009 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
2010 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
2011 | ||
2012 | if (save) | |
2013 | { | |
2014 | if (default_orig_pair) | |
2015 | xfree (default_orig_pair); | |
2016 | default_orig_pair = TS_orig_pair ? xstrdup (TS_orig_pair) : NULL; | |
2017 | ||
2018 | if (default_set_foreground) | |
2019 | xfree (default_set_foreground); | |
2020 | default_set_foreground = TS_set_foreground ? xstrdup (TS_set_foreground) | |
2021 | : NULL; | |
2022 | ||
2023 | if (default_set_background) | |
2024 | xfree (default_set_background); | |
2025 | default_set_background = TS_set_background ? xstrdup (TS_set_background) | |
2026 | : NULL; | |
2027 | ||
2028 | default_max_colors = TN_max_colors; | |
2029 | default_max_pairs = TN_max_pairs; | |
2030 | default_no_color_video = TN_no_color_video; | |
2031 | } | |
2032 | else | |
2033 | { | |
2034 | TS_orig_pair = default_orig_pair; | |
2035 | TS_set_foreground = default_set_foreground; | |
2036 | TS_set_background = default_set_background; | |
2037 | TN_max_colors = default_max_colors; | |
2038 | TN_max_pairs = default_max_pairs; | |
2039 | TN_no_color_video = default_no_color_video; | |
2040 | } | |
2041 | } | |
2042 | ||
2043 | /* Setup one of the standard tty color schemes according to MODE. | |
2044 | MODE's value is generally the number of colors which we want to | |
2045 | support; zero means set up for the default capabilities, the ones | |
2046 | we saw at term_init time; -1 means turn off color support. */ | |
2047 | void | |
2048 | tty_setup_colors (mode) | |
2049 | int mode; | |
2050 | { | |
2051 | switch (mode) | |
2052 | { | |
2053 | case -1: /* no colors at all */ | |
2054 | TN_max_colors = 0; | |
2055 | TN_max_pairs = 0; | |
2056 | TN_no_color_video = 0; | |
2057 | TS_set_foreground = TS_set_background = TS_orig_pair = NULL; | |
2058 | break; | |
2059 | case 0: /* default colors, if any */ | |
2060 | default: | |
2061 | tty_default_color_capabilities (0); | |
2062 | break; | |
2063 | case 8: /* 8 standard ANSI colors */ | |
2064 | TS_orig_pair = "\033[0m"; | |
2065 | #ifdef TERMINFO | |
2066 | TS_set_foreground = "\033[3%p1%dm"; | |
2067 | TS_set_background = "\033[4%p1%dm"; | |
2068 | #else | |
2069 | TS_set_foreground = "\033[3%dm"; | |
2070 | TS_set_background = "\033[4%dm"; | |
2071 | #endif | |
2072 | TN_max_colors = 8; | |
2073 | TN_max_pairs = 64; | |
2074 | TN_no_color_video = 0; | |
2075 | break; | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | void | |
2080 | set_tty_color_mode (f, val) | |
2081 | struct frame *f; | |
2082 | Lisp_Object val; | |
2083 | { | |
dfc7a077 | 2084 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2085 | Lisp_Object color_mode, current_mode; |
2086 | int mode, old_mode; | |
2087 | extern Lisp_Object Qtty_color_mode; | |
2088 | Lisp_Object tty_color_mode_alist; | |
2089 | ||
2090 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2091 | Qnil); | |
2092 | ||
2093 | if (NATNUMP (val)) | |
2094 | color_mode = val; | |
2095 | else | |
2096 | { | |
2097 | if (NILP (tty_color_mode_alist)) | |
2098 | color_mode_spec = Qnil; | |
2099 | else | |
2100 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
2101 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2102 | ||
2103 | if (CONSP (color_mode_spec)) | |
2104 | color_mode = XCDR (color_mode_spec); | |
2105 | else | |
2106 | color_mode = Qnil; | |
2107 | } | |
2108 | if (CONSP (current_mode_spec)) | |
2109 | current_mode = XCDR (current_mode_spec); | |
2110 | else | |
2111 | current_mode = Qnil; | |
2112 | if (NATNUMP (color_mode)) | |
2113 | mode = XINT (color_mode); | |
2114 | else | |
2115 | mode = 0; /* meaning default */ | |
2116 | if (NATNUMP (current_mode)) | |
2117 | old_mode = XINT (current_mode); | |
2118 | else | |
2119 | old_mode = 0; | |
2120 | ||
2121 | if (mode != old_mode) | |
2122 | { | |
2123 | tty_setup_colors (mode); | |
2124 | /* This recomputes all the faces given the new color | |
2125 | definitions. */ | |
2126 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2127 | redraw_frame (f); | |
2128 | } | |
2129 | } | |
2130 | ||
2131 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2132 | |
2133 | \f | |
2134 | /*********************************************************************** | |
2135 | Initialization | |
2136 | ***********************************************************************/ | |
2137 | ||
dfcf069d | 2138 | void |
08a24c47 JB |
2139 | term_init (terminal_type) |
2140 | char *terminal_type; | |
2141 | { | |
2142 | char *area; | |
2143 | char **address = &area; | |
463f5630 | 2144 | char buffer[2044]; |
08a24c47 JB |
2145 | register char *p; |
2146 | int status; | |
e52f4e08 | 2147 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2148 | |
cb28b9c2 | 2149 | #ifdef WINDOWSNT |
29f27c39 | 2150 | initialize_w32_display (); |
cb28b9c2 RS |
2151 | |
2152 | Wcm_clear (); | |
cb28b9c2 | 2153 | |
a678d9ff | 2154 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2155 | |
463f5630 KH |
2156 | if (area == 0) |
2157 | abort (); | |
2158 | ||
9882535b KS |
2159 | FrameRows = FRAME_LINES (sf); |
2160 | FrameCols = FRAME_COLS (sf); | |
2161 | specified_window = FRAME_LINES (sf); | |
cb28b9c2 RS |
2162 | |
2163 | delete_in_insert_mode = 1; | |
2164 | ||
2165 | UseTabs = 0; | |
2166 | scroll_region_ok = 0; | |
2167 | ||
2168 | /* Seems to insert lines when it's not supposed to, messing | |
2169 | up the display. In doing a trace, it didn't seem to be | |
2170 | called much, so I don't think we're losing anything by | |
2171 | turning it off. */ | |
2172 | ||
2173 | line_ins_del_ok = 0; | |
2174 | char_ins_del_ok = 1; | |
2175 | ||
2176 | baud_rate = 19200; | |
2177 | ||
e52f4e08 GM |
2178 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2179 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2180 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2181 | |
2182 | return; | |
eccec691 | 2183 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2184 | |
08a24c47 | 2185 | Wcm_clear (); |
08a24c47 JB |
2186 | |
2187 | status = tgetent (buffer, terminal_type); | |
2188 | if (status < 0) | |
b0347178 KH |
2189 | { |
2190 | #ifdef TERMINFO | |
e12c1054 | 2191 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2192 | #else |
e12c1054 | 2193 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2194 | #endif |
2195 | } | |
08a24c47 | 2196 | if (status == 0) |
b0347178 KH |
2197 | { |
2198 | #ifdef TERMINFO | |
2199 | fatal ("Terminal type %s is not defined.\n\ | |
2200 | If that is not the actual type of terminal you have,\n\ | |
2201 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2202 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2203 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2204 | terminal_type); |
2205 | #else | |
2206 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2207 | If that is not the actual type of terminal you have,\n\ |
2208 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2209 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2210 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2211 | terminal_type); |
2212 | #endif | |
2213 | } | |
463f5630 KH |
2214 | #ifdef TERMINFO |
2215 | area = (char *) xmalloc (2044); | |
2216 | #else | |
2217 | area = (char *) xmalloc (strlen (buffer)); | |
2218 | #endif /* not TERMINFO */ | |
2219 | if (area == 0) | |
08a24c47 JB |
2220 | abort (); |
2221 | ||
2222 | TS_ins_line = tgetstr ("al", address); | |
2223 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2224 | TS_bell = tgetstr ("bl", address); | |
2225 | BackTab = tgetstr ("bt", address); | |
2226 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2227 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2228 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2229 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2230 | AbsPosition = tgetstr ("cm", address); |
2231 | CR = tgetstr ("cr", address); | |
2232 | TS_set_scroll_region = tgetstr ("cs", address); | |
2233 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2234 | RowPosition = tgetstr ("cv", address); | |
2235 | TS_del_char = tgetstr ("dc", address); | |
2236 | TS_del_multi_chars = tgetstr ("DC", address); | |
2237 | TS_del_line = tgetstr ("dl", address); | |
2238 | TS_del_multi_lines = tgetstr ("DL", address); | |
2239 | TS_delete_mode = tgetstr ("dm", address); | |
2240 | TS_end_delete_mode = tgetstr ("ed", address); | |
2241 | TS_end_insert_mode = tgetstr ("ei", address); | |
2242 | Home = tgetstr ("ho", address); | |
2243 | TS_ins_char = tgetstr ("ic", address); | |
2244 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2245 | TS_insert_mode = tgetstr ("im", address); | |
2246 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2247 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2248 | TS_keypad_mode = tgetstr ("ks", address); | |
2249 | LastLine = tgetstr ("ll", address); | |
2250 | Right = tgetstr ("nd", address); | |
2251 | Down = tgetstr ("do", address); | |
2252 | if (!Down) | |
2253 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2254 | #ifdef VMS | |
2255 | /* VMS puts a carriage return before each linefeed, | |
2256 | so it is not safe to use linefeeds. */ | |
2257 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2258 | Down = 0; | |
2259 | #endif /* VMS */ | |
2260 | if (tgetflag ("bs")) | |
2261 | Left = "\b"; /* can't possibly be longer! */ | |
2262 | else /* (Actually, "bs" is obsolete...) */ | |
2263 | Left = tgetstr ("le", address); | |
2264 | if (!Left) | |
2265 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2266 | TS_pad_char = tgetstr ("pc", address); | |
2267 | TS_repeat = tgetstr ("rp", address); | |
2268 | TS_end_standout_mode = tgetstr ("se", address); | |
2269 | TS_fwd_scroll = tgetstr ("sf", address); | |
2270 | TS_standout_mode = tgetstr ("so", address); | |
2271 | TS_rev_scroll = tgetstr ("sr", address); | |
2272 | Wcm.cm_tab = tgetstr ("ta", address); | |
2273 | TS_end_termcap_modes = tgetstr ("te", address); | |
2274 | TS_termcap_modes = tgetstr ("ti", address); | |
2275 | Up = tgetstr ("up", address); | |
2276 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2277 | TS_cursor_normal = tgetstr ("ve", address); |
2278 | TS_cursor_visible = tgetstr ("vs", address); | |
2279 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2280 | TS_set_window = tgetstr ("wi", address); |
177c0ea7 | 2281 | |
a168702a GM |
2282 | TS_enter_underline_mode = tgetstr ("us", address); |
2283 | TS_exit_underline_mode = tgetstr ("ue", address); | |
a168702a GM |
2284 | TS_enter_bold_mode = tgetstr ("md", address); |
2285 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2286 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2287 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2288 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2289 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2290 | TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2291 | |
08a24c47 JB |
2292 | MultiUp = tgetstr ("UP", address); |
2293 | MultiDown = tgetstr ("DO", address); | |
2294 | MultiLeft = tgetstr ("LE", address); | |
2295 | MultiRight = tgetstr ("RI", address); | |
2296 | ||
e7f90eab GM |
2297 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2298 | color because we can't switch back to the default foreground and | |
2299 | background. */ | |
a168702a | 2300 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2301 | if (TS_orig_pair) |
a168702a | 2302 | { |
e7f90eab GM |
2303 | TS_set_foreground = tgetstr ("AF", address); |
2304 | TS_set_background = tgetstr ("AB", address); | |
2305 | if (!TS_set_foreground) | |
2306 | { | |
2307 | /* SVr4. */ | |
2308 | TS_set_foreground = tgetstr ("Sf", address); | |
2309 | TS_set_background = tgetstr ("Sb", address); | |
2310 | } | |
177c0ea7 | 2311 | |
e7f90eab GM |
2312 | TN_max_colors = tgetnum ("Co"); |
2313 | TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2314 | |
4e6ba4a4 GM |
2315 | TN_no_color_video = tgetnum ("NC"); |
2316 | if (TN_no_color_video == -1) | |
2317 | TN_no_color_video = 0; | |
a168702a | 2318 | } |
a168702a | 2319 | |
ace28297 EZ |
2320 | tty_default_color_capabilities (1); |
2321 | ||
e4058338 KH |
2322 | MagicWrap = tgetflag ("xn"); |
2323 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2324 | the former flag imply the latter. */ | |
2325 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2326 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2327 | TF_hazeltine = tgetflag ("hz"); |
2328 | must_write_spaces = tgetflag ("in"); | |
2329 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2330 | TF_insmode_motion = tgetflag ("mi"); | |
2331 | TF_standout_motion = tgetflag ("ms"); | |
2332 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2333 | TF_teleray = tgetflag ("xt"); |
2334 | ||
5c2c7893 JB |
2335 | term_get_fkeys (address); |
2336 | ||
ff11dfa1 | 2337 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2338 | { |
2339 | int height, width; | |
2340 | get_frame_size (&width, &height); | |
9882535b KS |
2341 | FRAME_COLS (sf) = width; |
2342 | FRAME_LINES (sf) = height; | |
3b12ce12 RS |
2343 | } |
2344 | ||
9882535b KS |
2345 | if (FRAME_COLS (sf) <= 0) |
2346 | SET_FRAME_COLS (sf, tgetnum ("co")); | |
1efd8636 RS |
2347 | else |
2348 | /* Keep width and external_width consistent */ | |
9882535b KS |
2349 | SET_FRAME_COLS (sf, FRAME_COLS (sf)); |
2350 | if (FRAME_LINES (sf) <= 0) | |
2351 | FRAME_LINES (sf) = tgetnum ("li"); | |
177c0ea7 | 2352 | |
9882535b | 2353 | if (FRAME_LINES (sf) < 3 || FRAME_COLS (sf) < 3) |
e12c1054 | 2354 | fatal ("Screen size %dx%d is too small", |
9882535b | 2355 | FRAME_LINES (sf), FRAME_COLS (sf)); |
ee7a2de4 | 2356 | |
08a24c47 | 2357 | min_padding_speed = tgetnum ("pb"); |
08a24c47 JB |
2358 | TabWidth = tgetnum ("tw"); |
2359 | ||
2360 | #ifdef VMS | |
2361 | /* These capabilities commonly use ^J. | |
2362 | I don't know why, but sending them on VMS does not work; | |
2363 | it causes following spaces to be lost, sometimes. | |
2364 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2365 | if (Down && Down[0] == '\n') | |
2366 | Down = 0; | |
2367 | #endif /* VMS */ | |
2368 | ||
2369 | if (!TS_bell) | |
2370 | TS_bell = "\07"; | |
2371 | ||
2372 | if (!TS_fwd_scroll) | |
2373 | TS_fwd_scroll = Down; | |
2374 | ||
2375 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2376 | ||
2377 | if (TabWidth < 0) | |
2378 | TabWidth = 8; | |
177c0ea7 | 2379 | |
08a24c47 JB |
2380 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2381 | and newer termcap doc does not seem to say there is a default. | |
2382 | if (!Wcm.cm_tab) | |
2383 | Wcm.cm_tab = "\t"; | |
2384 | */ | |
2385 | ||
54800acb MB |
2386 | /* We don't support standout modes that use `magic cookies', so |
2387 | turn off any that do. */ | |
2388 | if (TS_standout_mode && tgetnum ("sg") >= 0) | |
2389 | { | |
2390 | TS_standout_mode = 0; | |
2391 | TS_end_standout_mode = 0; | |
2392 | } | |
2393 | if (TS_enter_underline_mode && tgetnum ("ug") >= 0) | |
2394 | { | |
2395 | TS_enter_underline_mode = 0; | |
2396 | TS_exit_underline_mode = 0; | |
2397 | } | |
2398 | ||
2399 | /* If there's no standout mode, try to use underlining instead. */ | |
08a24c47 JB |
2400 | if (TS_standout_mode == 0) |
2401 | { | |
54800acb MB |
2402 | TS_standout_mode = TS_enter_underline_mode; |
2403 | TS_end_standout_mode = TS_exit_underline_mode; | |
08a24c47 JB |
2404 | } |
2405 | ||
afd359c4 RS |
2406 | /* If no `se' string, try using a `me' string instead. |
2407 | If that fails, we can't use standout mode at all. */ | |
2408 | if (TS_end_standout_mode == 0) | |
2409 | { | |
e4bfb3b6 | 2410 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2411 | if (s != 0) |
2412 | TS_end_standout_mode = s; | |
2413 | else | |
2414 | TS_standout_mode = 0; | |
2415 | } | |
2416 | ||
08a24c47 JB |
2417 | if (TF_teleray) |
2418 | { | |
2419 | Wcm.cm_tab = 0; | |
54800acb MB |
2420 | /* We can't support standout mode, because it uses magic cookies. */ |
2421 | TS_standout_mode = 0; | |
08a24c47 JB |
2422 | /* But that means we cannot rely on ^M to go to column zero! */ |
2423 | CR = 0; | |
2424 | /* LF can't be trusted either -- can alter hpos */ | |
2425 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2426 | Down = 0; | |
2427 | } | |
2428 | ||
2429 | /* Special handling for certain terminal types known to need it */ | |
2430 | ||
2431 | if (!strcmp (terminal_type, "supdup")) | |
2432 | { | |
ff11dfa1 | 2433 | memory_below_frame = 1; |
08a24c47 JB |
2434 | Wcm.cm_losewrap = 1; |
2435 | } | |
2436 | if (!strncmp (terminal_type, "c10", 3) | |
2437 | || !strcmp (terminal_type, "perq")) | |
2438 | { | |
2439 | /* Supply a makeshift :wi string. | |
2440 | This string is not valid in general since it works only | |
2441 | for windows starting at the upper left corner; | |
2442 | but that is all Emacs uses. | |
2443 | ||
ff11dfa1 | 2444 | This string works only if the frame is using |
08a24c47 JB |
2445 | the top of the video memory, because addressing is memory-relative. |
2446 | So first check the :ti string to see if that is true. | |
2447 | ||
2448 | It would be simpler if the :wi string could go in the termcap | |
2449 | entry, but it can't because it is not fully valid. | |
2450 | If it were in the termcap entry, it would confuse other programs. */ | |
2451 | if (!TS_set_window) | |
2452 | { | |
2453 | p = TS_termcap_modes; | |
2454 | while (*p && strcmp (p, "\033v ")) | |
2455 | p++; | |
2456 | if (*p) | |
2457 | TS_set_window = "\033v%C %C %C %C "; | |
2458 | } | |
2459 | /* Termcap entry often fails to have :in: flag */ | |
2460 | must_write_spaces = 1; | |
2461 | /* :ti string typically fails to have \E^G! in it */ | |
2462 | /* This limits scope of insert-char to one line. */ | |
2463 | strcpy (area, TS_termcap_modes); | |
2464 | strcat (area, "\033\007!"); | |
2465 | TS_termcap_modes = area; | |
2466 | area += strlen (area) + 1; | |
2467 | p = AbsPosition; | |
2468 | /* Change all %+ parameters to %C, to handle | |
2469 | values above 96 correctly for the C100. */ | |
2470 | while (*p) | |
2471 | { | |
2472 | if (p[0] == '%' && p[1] == '+') | |
2473 | p[1] = 'C'; | |
2474 | p++; | |
2475 | } | |
2476 | } | |
2477 | ||
9882535b KS |
2478 | FrameRows = FRAME_LINES (sf); |
2479 | FrameCols = FRAME_COLS (sf); | |
2480 | specified_window = FRAME_LINES (sf); | |
08a24c47 JB |
2481 | |
2482 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2483 | #ifdef VMS | |
2484 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2485 | It lacks the ability to position the cursor.\n\ | |
2486 | If that is not the actual type of terminal you have, use either the\n\ | |
2487 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2488 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2489 | terminal_type); |
37dad45a RS |
2490 | #else /* not VMS */ |
2491 | # ifdef TERMINFO | |
2492 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2493 | It lacks the ability to position the cursor.\n\ | |
2494 | If that is not the actual type of terminal you have,\n\ | |
2495 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2496 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2497 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2498 | terminal_type); |
2499 | # else /* TERMCAP */ | |
08a24c47 JB |
2500 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2501 | It lacks the ability to position the cursor.\n\ | |
2502 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2503 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2504 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2505 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2506 | terminal_type); |
37dad45a RS |
2507 | # endif /* TERMINFO */ |
2508 | #endif /*VMS */ | |
9882535b KS |
2509 | if (FRAME_LINES (sf) <= 0 |
2510 | || FRAME_COLS (sf) <= 0) | |
e12c1054 | 2511 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2512 | |
2513 | delete_in_insert_mode | |
2514 | = TS_delete_mode && TS_insert_mode | |
2515 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2516 | ||
2517 | se_is_so = (TS_standout_mode | |
2518 | && TS_end_standout_mode | |
2519 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2520 | ||
08a24c47 JB |
2521 | UseTabs = tabs_safe_p () && TabWidth == 8; |
2522 | ||
2523 | scroll_region_ok | |
2524 | = (Wcm.cm_abs | |
2525 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2526 | ||
2527 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2528 | && (TS_del_line || TS_del_multi_lines)) | |
2529 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2530 | ||
2531 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2532 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2533 | && (TS_del_char || TS_del_multi_chars)); | |
2534 | ||
2535 | fast_clear_end_of_line = TS_clr_line != 0; | |
2536 | ||
2537 | init_baud_rate (); | |
2538 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2539 | /* meaningless in this case */ | |
2540 | baud_rate = 9600; | |
20a558dc | 2541 | |
e52f4e08 GM |
2542 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2543 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
4ae0a2c0 KH |
2544 | |
2545 | if (! terminal_encode_buffer) | |
2546 | { | |
2547 | terminal_encode_buffer = xmalloc (1024); | |
2548 | if (! terminal_encode_buffer) | |
2549 | abort (); | |
2550 | terminal_encode_buf_size = 1024; | |
2551 | } | |
eccec691 | 2552 | #endif /* WINDOWSNT */ |
08a24c47 JB |
2553 | } |
2554 | ||
2555 | /* VARARGS 1 */ | |
dfcf069d | 2556 | void |
08a24c47 | 2557 | fatal (str, arg1, arg2) |
4746118a | 2558 | char *str, *arg1, *arg2; |
08a24c47 JB |
2559 | { |
2560 | fprintf (stderr, "emacs: "); | |
2561 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2562 | fprintf (stderr, "\n"); |
08a24c47 JB |
2563 | fflush (stderr); |
2564 | exit (1); | |
2565 | } | |
07c57952 | 2566 | |
dfcf069d | 2567 | void |
07c57952 KH |
2568 | syms_of_term () |
2569 | { | |
7ee72033 MB |
2570 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
2571 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 2572 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
2573 | #ifdef TERMINFO |
2574 | system_uses_terminfo = 1; | |
2575 | #else | |
2576 | system_uses_terminfo = 0; | |
2577 | #endif | |
c291d9ef | 2578 | |
7ee72033 MB |
2579 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, |
2580 | doc: /* Non-nil means call this function to ring the bell. | |
228299fa | 2581 | The function should accept no arguments. */); |
c291d9ef | 2582 | Vring_bell_function = Qnil; |
a168702a GM |
2583 | |
2584 | defsubr (&Stty_display_color_p); | |
bfa62f96 | 2585 | defsubr (&Stty_display_color_cells); |
07c57952 | 2586 | } |
a168702a | 2587 |